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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 18:32:12 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 18:32:12 -0800 |
| commit | 9e9bc9736756f25d6c47b4eba0ebf25b20a6f153 (patch) | |
| tree | 647240f479c5f23910c3e6194d1c35b6ba54d75e /drivers/staging | |
| parent | Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm (diff) | |
| parent | [media] radio-aimslab.c: Fix gcc 4.5+ bug (diff) | |
| download | linux-dev-9e9bc9736756f25d6c47b4eba0ebf25b20a6f153.tar.xz linux-dev-9e9bc9736756f25d6c47b4eba0ebf25b20a6f153.zip | |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (255 commits)
[media] radio-aimslab.c: Fix gcc 4.5+ bug
[media] cx25821: Fix compilation breakage due to BKL dependency
[media] v4l2-compat-ioctl32: fix compile warning
[media] zoran: fix compiler warning
[media] tda18218: fix compile warning
[media] ngene: fix compile warning
[media] DVB: IR support for TechnoTrend CT-3650
[media] cx23885, cimax2.c: Fix case of two CAM insertion irq
[media] ir-nec-decoder: fix repeat key issue
[media] staging: se401 depends on USB
[media] staging: usbvideo/vicam depends on USB
[media] soc_camera: Add the ability to bind regulators to soc_camedra devices
[media] V4L2: Add a v4l2-subdev (soc-camera) driver for OmniVision OV2640 sensor
[media] v4l: soc-camera: switch to .unlocked_ioctl
[media] v4l: ov772x: simplify pointer dereference
[media] ov9640: fix OmniVision OV9640 sensor driver's priv data retrieving
[media] ov9640: use macro to request OmniVision OV9640 sensor private data
[media] ivtv-i2c: Fix two warnings
[media] staging/lirc: Update lirc TODO files
[media] cx88: Remove the obsolete i2c_adapter.id field
...
Diffstat (limited to 'drivers/staging')
59 files changed, 7621 insertions, 9368 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index df31a7228079..bdc632b6b586 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -51,9 +51,11 @@ source "drivers/staging/cx25821/Kconfig" source "drivers/staging/tm6000/Kconfig" -source "drivers/staging/cpia/Kconfig" +source "drivers/staging/dabusb/Kconfig" -source "drivers/staging/stradis/Kconfig" +source "drivers/staging/se401/Kconfig" + +source "drivers/staging/usbvideo/Kconfig" source "drivers/staging/usbip/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 7a15c0c82b69..3eda5c73a50a 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -8,8 +8,9 @@ obj-$(CONFIG_SLICOSS) += slicoss/ obj-$(CONFIG_VIDEO_GO7007) += go7007/ obj-$(CONFIG_VIDEO_CX25821) += cx25821/ obj-$(CONFIG_VIDEO_TM6000) += tm6000/ -obj-$(CONFIG_VIDEO_CPIA) += cpia/ -obj-$(CONFIG_VIDEO_STRADIS) += stradis/ +obj-$(CONFIG_USB_DABUSB) += dabusb/ +obj-$(CONFIG_USB_VICAM) += usbvideo/ +obj-$(CONFIG_USB_SE401) += se401/ obj-$(CONFIG_LIRC_STAGING) += lirc/ obj-$(CONFIG_USB_IP_COMMON) += usbip/ obj-$(CONFIG_W35UND) += winbond/ diff --git a/drivers/staging/cpia/Kconfig b/drivers/staging/cpia/Kconfig deleted file mode 100644 index 205d247ad373..000000000000 --- a/drivers/staging/cpia/Kconfig +++ /dev/null @@ -1,39 +0,0 @@ -config VIDEO_CPIA - tristate "CPiA Video For Linux (DEPRECATED)" - depends on VIDEO_V4L1 - default n - ---help--- - This driver is DEPRECATED please use the gspca cpia1 module - instead. Note that you need atleast version 0.6.4 of libv4l for - the cpia1 gspca module. - - This is the video4linux driver for cameras based on Vision's CPiA - (Colour Processor Interface ASIC), such as the Creative Labs Video - Blaster Webcam II. If you have one of these cameras, say Y here - and select parallel port and/or USB lowlevel support below, - otherwise say N. This will not work with the Creative Webcam III. - - Please read <file:Documentation/video4linux/README.cpia> for more - information. - - This driver is also available as a module (cpia). - -config VIDEO_CPIA_PP - tristate "CPiA Parallel Port Lowlevel Support" - depends on PARPORT_1284 && VIDEO_CPIA && PARPORT - help - This is the lowlevel parallel port support for cameras based on - Vision's CPiA (Colour Processor Interface ASIC), such as the - Creative Webcam II. If you have the parallel port version of one - of these cameras, say Y here, otherwise say N. It is also available - as a module (cpia_pp). - -config VIDEO_CPIA_USB - tristate "CPiA USB Lowlevel Support" - depends on VIDEO_CPIA && USB - help - This is the lowlevel USB support for cameras based on Vision's CPiA - (Colour Processor Interface ASIC), such as the Creative Webcam II. - If you have the USB version of one of these cameras, say Y here, - otherwise say N. This will not work with the Creative Webcam III. - It is also available as a module (cpia_usb). diff --git a/drivers/staging/cpia/Makefile b/drivers/staging/cpia/Makefile deleted file mode 100644 index 89e52f10d739..000000000000 --- a/drivers/staging/cpia/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -obj-$(CONFIG_VIDEO_CPIA) += cpia.o -obj-$(CONFIG_VIDEO_CPIA_PP) += cpia_pp.o -obj-$(CONFIG_VIDEO_CPIA_USB) += cpia_usb.o - -EXTRA_CFLAGS += -Idrivers/media/video diff --git a/drivers/staging/cpia/TODO b/drivers/staging/cpia/TODO deleted file mode 100644 index ccb1c0775eec..000000000000 --- a/drivers/staging/cpia/TODO +++ /dev/null @@ -1,8 +0,0 @@ -This is an obsolete driver for some cpia-based webcams that use the parallel port. -We couldn't find anyone with this hardware in order to port it to use V4L2. - -Also, parallel-port webcams are obsolete nowadays. - -If nobody take care on it, the driver will be removed for 2.6.38. - -Please send patches to linux-media@vger.kernel.org diff --git a/drivers/staging/cpia/cpia.c b/drivers/staging/cpia/cpia.c deleted file mode 100644 index 0e740b8dafc3..000000000000 --- a/drivers/staging/cpia/cpia.c +++ /dev/null @@ -1,4028 +0,0 @@ -/* - * cpia CPiA driver - * - * Supports CPiA based Video Camera's. - * - * (C) Copyright 1999-2000 Peter Pregler - * (C) Copyright 1999-2000 Scott J. Bertin - * (C) Copyright 1999-2000 Johannes Erdfelt <johannes@erdfelt.com> - * (C) Copyright 2000 STMicroelectronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */ -/* #define _CPIA_DEBUG_ 1 */ - - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/vmalloc.h> -#include <linux/sched.h> -#include <linux/seq_file.h> -#include <linux/slab.h> -#include <linux/proc_fs.h> -#include <linux/ctype.h> -#include <linux/pagemap.h> -#include <linux/delay.h> -#include <asm/io.h> -#include <linux/mutex.h> - -#include "cpia.h" - -static int video_nr = -1; - -#ifdef MODULE -module_param(video_nr, int, 0); -MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfelt.com>"); -MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras"); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("video"); -#endif - -static unsigned short colorspace_conv; -module_param(colorspace_conv, ushort, 0444); -MODULE_PARM_DESC(colorspace_conv, - " Colorspace conversion:" - "\n 0 = disable, 1 = enable" - "\n Default value is 0" - ); - -#define ABOUT "V4L-Driver for Vision CPiA based cameras" - -#define CPIA_MODULE_CPIA (0<<5) -#define CPIA_MODULE_SYSTEM (1<<5) -#define CPIA_MODULE_VP_CTRL (5<<5) -#define CPIA_MODULE_CAPTURE (6<<5) -#define CPIA_MODULE_DEBUG (7<<5) - -#define INPUT (DATA_IN << 8) -#define OUTPUT (DATA_OUT << 8) - -#define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1) -#define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2) -#define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3) -#define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4) -#define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5) -#define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7) -#define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8) -#define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10) - -#define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1) -#define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2) -#define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3) -#define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4) -#define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5) -#define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6) -#define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7) -#define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8) -#define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9) -#define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10) -#define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11) -#define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12) -#define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13) - -#define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1) -#define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2) -#define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3) -#define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4) -#define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6) -#define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7) -#define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8) -#define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9) -#define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10) -#define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11) -#define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16) -#define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17) -#define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18) -#define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19) -#define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25) -#define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30) -#define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31) - -#define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1) -#define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2) -#define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3) -#define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4) -#define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5) -#define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6) -#define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7) -#define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8) -#define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9) -#define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10) -#define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11) -#define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12) -#define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13) -#define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14) -#define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15) - -#define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1) -#define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4) -#define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5) -#define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6) -#define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8) -#define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9) -#define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10) -#define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11) - -enum { - FRAME_READY, /* Ready to grab into */ - FRAME_GRABBING, /* In the process of being grabbed into */ - FRAME_DONE, /* Finished grabbing, but not been synced yet */ - FRAME_UNUSED, /* Unused (no MCAPTURE) */ -}; - -#define COMMAND_NONE 0x0000 -#define COMMAND_SETCOMPRESSION 0x0001 -#define COMMAND_SETCOMPRESSIONTARGET 0x0002 -#define COMMAND_SETCOLOURPARAMS 0x0004 -#define COMMAND_SETFORMAT 0x0008 -#define COMMAND_PAUSE 0x0010 -#define COMMAND_RESUME 0x0020 -#define COMMAND_SETYUVTHRESH 0x0040 -#define COMMAND_SETECPTIMING 0x0080 -#define COMMAND_SETCOMPRESSIONPARAMS 0x0100 -#define COMMAND_SETEXPOSURE 0x0200 -#define COMMAND_SETCOLOURBALANCE 0x0400 -#define COMMAND_SETSENSORFPS 0x0800 -#define COMMAND_SETAPCOR 0x1000 -#define COMMAND_SETFLICKERCTRL 0x2000 -#define COMMAND_SETVLOFFSET 0x4000 -#define COMMAND_SETLIGHTS 0x8000 - -#define ROUND_UP_EXP_FOR_FLICKER 15 - -/* Constants for automatic frame rate adjustment */ -#define MAX_EXP 302 -#define MAX_EXP_102 255 -#define LOW_EXP 140 -#define VERY_LOW_EXP 70 -#define TC 94 -#define EXP_ACC_DARK 50 -#define EXP_ACC_LIGHT 90 -#define HIGH_COMP_102 160 -#define MAX_COMP 239 -#define DARK_TIME 3 -#define LIGHT_TIME 3 - -/* Maximum number of 10ms loops to wait for the stream to become ready */ -#define READY_TIMEOUT 100 - -/* Developer's Guide Table 5 p 3-34 - * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/ -static u8 flicker_jumps[2][2][4] = -{ { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } }, - { { 64, 32, 16, 8 }, { 76, 38, 19, 9} } -}; - -/* forward declaration of local function */ -static void reset_camera_struct(struct cam_data *cam); -static int find_over_exposure(int brightness); -static void set_flicker(struct cam_params *params, volatile u32 *command_flags, - int on); - - -/********************************************************************** - * - * Memory management - * - **********************************************************************/ -static void *rvmalloc(unsigned long size) -{ - void *mem; - unsigned long adr; - - size = PAGE_ALIGN(size); - mem = vmalloc_32(size); - if (!mem) - return NULL; - - memset(mem, 0, size); /* Clear the ram out, no junk to the user */ - adr = (unsigned long) mem; - while (size > 0) { - SetPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - - return mem; -} - -static void rvfree(void *mem, unsigned long size) -{ - unsigned long adr; - - if (!mem) - return; - - adr = (unsigned long) mem; - while ((long) size > 0) { - ClearPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - vfree(mem); -} - -/********************************************************************** - * - * /proc interface - * - **********************************************************************/ -#ifdef CONFIG_PROC_FS -static struct proc_dir_entry *cpia_proc_root=NULL; - -static int cpia_proc_show(struct seq_file *m, void *v) -{ - struct cam_data *cam = m->private; - int tmp; - char tmpstr[29]; - - seq_printf(m, "read-only\n-----------------------\n"); - seq_printf(m, "V4L Driver version: %d.%d.%d\n", - CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); - seq_printf(m, "CPIA Version: %d.%02d (%d.%d)\n", - cam->params.version.firmwareVersion, - cam->params.version.firmwareRevision, - cam->params.version.vcVersion, - cam->params.version.vcRevision); - seq_printf(m, "CPIA PnP-ID: %04x:%04x:%04x\n", - cam->params.pnpID.vendor, cam->params.pnpID.product, - cam->params.pnpID.deviceRevision); - seq_printf(m, "VP-Version: %d.%d %04x\n", - cam->params.vpVersion.vpVersion, - cam->params.vpVersion.vpRevision, - cam->params.vpVersion.cameraHeadID); - - seq_printf(m, "system_state: %#04x\n", - cam->params.status.systemState); - seq_printf(m, "grab_state: %#04x\n", - cam->params.status.grabState); - seq_printf(m, "stream_state: %#04x\n", - cam->params.status.streamState); - seq_printf(m, "fatal_error: %#04x\n", - cam->params.status.fatalError); - seq_printf(m, "cmd_error: %#04x\n", - cam->params.status.cmdError); - seq_printf(m, "debug_flags: %#04x\n", - cam->params.status.debugFlags); - seq_printf(m, "vp_status: %#04x\n", - cam->params.status.vpStatus); - seq_printf(m, "error_code: %#04x\n", - cam->params.status.errorCode); - /* QX3 specific entries */ - if (cam->params.qx3.qx3_detected) { - seq_printf(m, "button: %4d\n", - cam->params.qx3.button); - seq_printf(m, "cradled: %4d\n", - cam->params.qx3.cradled); - } - seq_printf(m, "video_size: %s\n", - cam->params.format.videoSize == VIDEOSIZE_CIF ? - "CIF " : "QCIF"); - seq_printf(m, "roi: (%3d, %3d) to (%3d, %3d)\n", - cam->params.roi.colStart*8, - cam->params.roi.rowStart*4, - cam->params.roi.colEnd*8, - cam->params.roi.rowEnd*4); - seq_printf(m, "actual_fps: %3d\n", cam->fps); - seq_printf(m, "transfer_rate: %4dkB/s\n", - cam->transfer_rate); - - seq_printf(m, "\nread-write\n"); - seq_printf(m, "----------------------- current min" - " max default comment\n"); - seq_printf(m, "brightness: %8d %8d %8d %8d\n", - cam->params.colourParams.brightness, 0, 100, 50); - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2) - /* 1-02 firmware limits contrast to 80 */ - tmp = 80; - else - tmp = 96; - - seq_printf(m, "contrast: %8d %8d %8d %8d" - " steps of 8\n", - cam->params.colourParams.contrast, 0, tmp, 48); - seq_printf(m, "saturation: %8d %8d %8d %8d\n", - cam->params.colourParams.saturation, 0, 100, 50); - tmp = (25000+5000*cam->params.sensorFps.baserate)/ - (1<<cam->params.sensorFps.divisor); - seq_printf(m, "sensor_fps: %4d.%03d %8d %8d %8d\n", - tmp/1000, tmp%1000, 3, 30, 15); - seq_printf(m, "stream_start_line: %8d %8d %8d %8d\n", - 2*cam->params.streamStartLine, 0, - cam->params.format.videoSize == VIDEOSIZE_CIF ? 288:144, - cam->params.format.videoSize == VIDEOSIZE_CIF ? 240:120); - seq_printf(m, "sub_sample: %8s %8s %8s %8s\n", - cam->params.format.subSample == SUBSAMPLE_420 ? - "420" : "422", "420", "422", "422"); - seq_printf(m, "yuv_order: %8s %8s %8s %8s\n", - cam->params.format.yuvOrder == YUVORDER_YUYV ? - "YUYV" : "UYVY", "YUYV" , "UYVY", "YUYV"); - seq_printf(m, "ecp_timing: %8s %8s %8s %8s\n", - cam->params.ecpTiming ? "slow" : "normal", "slow", - "normal", "normal"); - - if (cam->params.colourBalance.balanceMode == 2) { - sprintf(tmpstr, "auto"); - } else { - sprintf(tmpstr, "manual"); - } - seq_printf(m, "color_balance_mode: %8s %8s %8s" - " %8s\n", tmpstr, "manual", "auto", "auto"); - seq_printf(m, "red_gain: %8d %8d %8d %8d\n", - cam->params.colourBalance.redGain, 0, 212, 32); - seq_printf(m, "green_gain: %8d %8d %8d %8d\n", - cam->params.colourBalance.greenGain, 0, 212, 6); - seq_printf(m, "blue_gain: %8d %8d %8d %8d\n", - cam->params.colourBalance.blueGain, 0, 212, 92); - - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2) - /* 1-02 firmware limits gain to 2 */ - sprintf(tmpstr, "%8d %8d %8d", 1, 2, 2); - else - sprintf(tmpstr, "%8d %8d %8d", 1, 8, 2); - - if (cam->params.exposure.gainMode == 0) - seq_printf(m, "max_gain: unknown %28s" - " powers of 2\n", tmpstr); - else - seq_printf(m, "max_gain: %8d %28s" - " 1,2,4 or 8 \n", - 1<<(cam->params.exposure.gainMode-1), tmpstr); - - switch(cam->params.exposure.expMode) { - case 1: - case 3: - sprintf(tmpstr, "manual"); - break; - case 2: - sprintf(tmpstr, "auto"); - break; - default: - sprintf(tmpstr, "unknown"); - break; - } - seq_printf(m, "exposure_mode: %8s %8s %8s" - " %8s\n", tmpstr, "manual", "auto", "auto"); - seq_printf(m, "centre_weight: %8s %8s %8s %8s\n", - (2-cam->params.exposure.centreWeight) ? "on" : "off", - "off", "on", "on"); - seq_printf(m, "gain: %8d %8d max_gain %8d 1,2,4,8 possible\n", - 1<<cam->params.exposure.gain, 1, 1); - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2) - /* 1-02 firmware limits fineExp/2 to 127 */ - tmp = 254; - else - tmp = 510; - - seq_printf(m, "fine_exp: %8d %8d %8d %8d\n", - cam->params.exposure.fineExp*2, 0, tmp, 0); - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2) - /* 1-02 firmware limits coarseExpHi to 0 */ - tmp = MAX_EXP_102; - else - tmp = MAX_EXP; - - seq_printf(m, "coarse_exp: %8d %8d %8d" - " %8d\n", cam->params.exposure.coarseExpLo+ - 256*cam->params.exposure.coarseExpHi, 0, tmp, 185); - seq_printf(m, "red_comp: %8d %8d %8d %8d\n", - cam->params.exposure.redComp, COMP_RED, 255, COMP_RED); - seq_printf(m, "green1_comp: %8d %8d %8d %8d\n", - cam->params.exposure.green1Comp, COMP_GREEN1, 255, - COMP_GREEN1); - seq_printf(m, "green2_comp: %8d %8d %8d %8d\n", - cam->params.exposure.green2Comp, COMP_GREEN2, 255, - COMP_GREEN2); - seq_printf(m, "blue_comp: %8d %8d %8d %8d\n", - cam->params.exposure.blueComp, COMP_BLUE, 255, COMP_BLUE); - - seq_printf(m, "apcor_gain1: %#8x %#8x %#8x %#8x\n", - cam->params.apcor.gain1, 0, 0xff, 0x1c); - seq_printf(m, "apcor_gain2: %#8x %#8x %#8x %#8x\n", - cam->params.apcor.gain2, 0, 0xff, 0x1a); - seq_printf(m, "apcor_gain4: %#8x %#8x %#8x %#8x\n", - cam->params.apcor.gain4, 0, 0xff, 0x2d); - seq_printf(m, "apcor_gain8: %#8x %#8x %#8x %#8x\n", - cam->params.apcor.gain8, 0, 0xff, 0x2a); - seq_printf(m, "vl_offset_gain1: %8d %8d %8d %8d\n", - cam->params.vlOffset.gain1, 0, 255, 24); - seq_printf(m, "vl_offset_gain2: %8d %8d %8d %8d\n", - cam->params.vlOffset.gain2, 0, 255, 28); - seq_printf(m, "vl_offset_gain4: %8d %8d %8d %8d\n", - cam->params.vlOffset.gain4, 0, 255, 30); - seq_printf(m, "vl_offset_gain8: %8d %8d %8d %8d\n", - cam->params.vlOffset.gain8, 0, 255, 30); - seq_printf(m, "flicker_control: %8s %8s %8s %8s\n", - cam->params.flickerControl.flickerMode ? "on" : "off", - "off", "on", "off"); - seq_printf(m, "mains_frequency: %8d %8d %8d %8d" - " only 50/60\n", - cam->mainsFreq ? 60 : 50, 50, 60, 50); - if(cam->params.flickerControl.allowableOverExposure < 0) - seq_printf(m, "allowable_overexposure: %4dauto auto %8d auto\n", - -cam->params.flickerControl.allowableOverExposure, - 255); - else - seq_printf(m, "allowable_overexposure: %8d auto %8d auto\n", - cam->params.flickerControl.allowableOverExposure, - 255); - seq_printf(m, "compression_mode: "); - switch(cam->params.compression.mode) { - case CPIA_COMPRESSION_NONE: - seq_printf(m, "%8s", "none"); - break; - case CPIA_COMPRESSION_AUTO: - seq_printf(m, "%8s", "auto"); - break; - case CPIA_COMPRESSION_MANUAL: - seq_printf(m, "%8s", "manual"); - break; - default: - seq_printf(m, "%8s", "unknown"); - break; - } - seq_printf(m, " none,auto,manual auto\n"); - seq_printf(m, "decimation_enable: %8s %8s %8s %8s\n", - cam->params.compression.decimation == - DECIMATION_ENAB ? "on":"off", "off", "on", - "off"); - seq_printf(m, "compression_target: %9s %9s %9s %9s\n", - cam->params.compressionTarget.frTargeting == - CPIA_COMPRESSION_TARGET_FRAMERATE ? - "framerate":"quality", - "framerate", "quality", "quality"); - seq_printf(m, "target_framerate: %8d %8d %8d %8d\n", - cam->params.compressionTarget.targetFR, 1, 30, 15); - seq_printf(m, "target_quality: %8d %8d %8d %8d\n", - cam->params.compressionTarget.targetQ, 1, 64, 5); - seq_printf(m, "y_threshold: %8d %8d %8d %8d\n", - cam->params.yuvThreshold.yThreshold, 0, 31, 6); - seq_printf(m, "uv_threshold: %8d %8d %8d %8d\n", - cam->params.yuvThreshold.uvThreshold, 0, 31, 6); - seq_printf(m, "hysteresis: %8d %8d %8d %8d\n", - cam->params.compressionParams.hysteresis, 0, 255, 3); - seq_printf(m, "threshold_max: %8d %8d %8d %8d\n", - cam->params.compressionParams.threshMax, 0, 255, 11); - seq_printf(m, "small_step: %8d %8d %8d %8d\n", - cam->params.compressionParams.smallStep, 0, 255, 1); - seq_printf(m, "large_step: %8d %8d %8d %8d\n", - cam->params.compressionParams.largeStep, 0, 255, 3); - seq_printf(m, "decimation_hysteresis: %8d %8d %8d %8d\n", - cam->params.compressionParams.decimationHysteresis, - 0, 255, 2); - seq_printf(m, "fr_diff_step_thresh: %8d %8d %8d %8d\n", - cam->params.compressionParams.frDiffStepThresh, - 0, 255, 5); - seq_printf(m, "q_diff_step_thresh: %8d %8d %8d %8d\n", - cam->params.compressionParams.qDiffStepThresh, - 0, 255, 3); - seq_printf(m, "decimation_thresh_mod: %8d %8d %8d %8d\n", - cam->params.compressionParams.decimationThreshMod, - 0, 255, 2); - /* QX3 specific entries */ - if (cam->params.qx3.qx3_detected) { - seq_printf(m, "toplight: %8s %8s %8s %8s\n", - cam->params.qx3.toplight ? "on" : "off", - "off", "on", "off"); - seq_printf(m, "bottomlight: %8s %8s %8s %8s\n", - cam->params.qx3.bottomlight ? "on" : "off", - "off", "on", "off"); - } - - return 0; -} - -static int cpia_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, cpia_proc_show, PDE(inode)->data); -} - -static int match(char *checkstr, char **buffer, size_t *count, - int *find_colon, int *err) -{ - int ret, colon_found = 1; - int len = strlen(checkstr); - ret = (len <= *count && strncmp(*buffer, checkstr, len) == 0); - if (ret) { - *buffer += len; - *count -= len; - if (*find_colon) { - colon_found = 0; - while (*count && (**buffer == ' ' || **buffer == '\t' || - (!colon_found && **buffer == ':'))) { - if (**buffer == ':') - colon_found = 1; - --*count; - ++*buffer; - } - if (!*count || !colon_found) - *err = -EINVAL; - *find_colon = 0; - } - } - return ret; -} - -static unsigned long int value(char **buffer, size_t *count, int *err) -{ - char *p; - unsigned long int ret; - ret = simple_strtoul(*buffer, &p, 0); - if (p == *buffer) - *err = -EINVAL; - else { - *count -= p - *buffer; - *buffer = p; - } - return ret; -} - -static ssize_t cpia_proc_write(struct file *file, const char __user *buf, - size_t count, loff_t *pos) -{ - struct cam_data *cam = PDE(file->f_path.dentry->d_inode)->data; - struct cam_params new_params; - char *page, *buffer; - int retval, find_colon; - int size = count; - unsigned long val = 0; - u32 command_flags = 0; - u8 new_mains; - - /* - * This code to copy from buf to page is shamelessly copied - * from the comx driver - */ - if (count > PAGE_SIZE) { - printk(KERN_ERR "count is %zu > %d!!!\n", count, (int)PAGE_SIZE); - return -ENOSPC; - } - - if (!(page = (char *)__get_free_page(GFP_KERNEL))) return -ENOMEM; - - if(copy_from_user(page, buf, count)) - { - retval = -EFAULT; - goto out; - } - - if (page[count-1] == '\n') - page[count-1] = '\0'; - else if (count < PAGE_SIZE) - page[count] = '\0'; - else if (page[count]) { - retval = -EINVAL; - goto out; - } - - buffer = page; - - if (mutex_lock_interruptible(&cam->param_lock)) - return -ERESTARTSYS; - - /* - * Skip over leading whitespace - */ - while (count && isspace(*buffer)) { - --count; - ++buffer; - } - - memcpy(&new_params, &cam->params, sizeof(struct cam_params)); - new_mains = cam->mainsFreq; - -#define MATCH(x) (match(x, &buffer, &count, &find_colon, &retval)) -#define VALUE (value(&buffer,&count, &retval)) -#define FIRMWARE_VERSION(x,y) (new_params.version.firmwareVersion == (x) && \ - new_params.version.firmwareRevision == (y)) - - retval = 0; - while (count && !retval) { - find_colon = 1; - if (MATCH("brightness")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 100) - new_params.colourParams.brightness = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURPARAMS; - if(new_params.flickerControl.allowableOverExposure < 0) - new_params.flickerControl.allowableOverExposure = - -find_over_exposure(new_params.colourParams.brightness); - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - - } else if (MATCH("contrast")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 100) { - /* contrast is in steps of 8, so round*/ - val = ((val + 3) / 8) * 8; - /* 1-02 firmware limits contrast to 80*/ - if (FIRMWARE_VERSION(1,2) && val > 80) - val = 80; - - new_params.colourParams.contrast = val; - } else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURPARAMS; - } else if (MATCH("saturation")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 100) - new_params.colourParams.saturation = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURPARAMS; - } else if (MATCH("sensor_fps")) { - if (!retval) - val = VALUE; - - if (!retval) { - /* find values so that sensorFPS is minimized, - * but >= val */ - if (val > 30) - retval = -EINVAL; - else if (val > 25) { - new_params.sensorFps.divisor = 0; - new_params.sensorFps.baserate = 1; - } else if (val > 15) { - new_params.sensorFps.divisor = 0; - new_params.sensorFps.baserate = 0; - } else if (val > 12) { - new_params.sensorFps.divisor = 1; - new_params.sensorFps.baserate = 1; - } else if (val > 7) { - new_params.sensorFps.divisor = 1; - new_params.sensorFps.baserate = 0; - } else if (val > 6) { - new_params.sensorFps.divisor = 2; - new_params.sensorFps.baserate = 1; - } else if (val > 3) { - new_params.sensorFps.divisor = 2; - new_params.sensorFps.baserate = 0; - } else { - new_params.sensorFps.divisor = 3; - /* Either base rate would work here */ - new_params.sensorFps.baserate = 1; - } - new_params.flickerControl.coarseJump = - flicker_jumps[new_mains] - [new_params.sensorFps.baserate] - [new_params.sensorFps.divisor]; - if (new_params.flickerControl.flickerMode) - command_flags |= COMMAND_SETFLICKERCTRL; - } - command_flags |= COMMAND_SETSENSORFPS; - cam->exposure_status = EXPOSURE_NORMAL; - } else if (MATCH("stream_start_line")) { - if (!retval) - val = VALUE; - - if (!retval) { - int max_line = 288; - - if (new_params.format.videoSize == VIDEOSIZE_QCIF) - max_line = 144; - if (val <= max_line) - new_params.streamStartLine = val/2; - else - retval = -EINVAL; - } - } else if (MATCH("sub_sample")) { - if (!retval && MATCH("420")) - new_params.format.subSample = SUBSAMPLE_420; - else if (!retval && MATCH("422")) - new_params.format.subSample = SUBSAMPLE_422; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETFORMAT; - } else if (MATCH("yuv_order")) { - if (!retval && MATCH("YUYV")) - new_params.format.yuvOrder = YUVORDER_YUYV; - else if (!retval && MATCH("UYVY")) - new_params.format.yuvOrder = YUVORDER_UYVY; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETFORMAT; - } else if (MATCH("ecp_timing")) { - if (!retval && MATCH("normal")) - new_params.ecpTiming = 0; - else if (!retval && MATCH("slow")) - new_params.ecpTiming = 1; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETECPTIMING; - } else if (MATCH("color_balance_mode")) { - if (!retval && MATCH("manual")) - new_params.colourBalance.balanceMode = 3; - else if (!retval && MATCH("auto")) - new_params.colourBalance.balanceMode = 2; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETCOLOURBALANCE; - } else if (MATCH("red_gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 212) { - new_params.colourBalance.redGain = val; - new_params.colourBalance.balanceMode = 1; - } else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURBALANCE; - } else if (MATCH("green_gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 212) { - new_params.colourBalance.greenGain = val; - new_params.colourBalance.balanceMode = 1; - } else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURBALANCE; - } else if (MATCH("blue_gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 212) { - new_params.colourBalance.blueGain = val; - new_params.colourBalance.balanceMode = 1; - } else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOLOURBALANCE; - } else if (MATCH("max_gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - /* 1-02 firmware limits gain to 2 */ - if (FIRMWARE_VERSION(1,2) && val > 2) - val = 2; - switch(val) { - case 1: - new_params.exposure.gainMode = 1; - break; - case 2: - new_params.exposure.gainMode = 2; - break; - case 4: - new_params.exposure.gainMode = 3; - break; - case 8: - new_params.exposure.gainMode = 4; - break; - default: - retval = -EINVAL; - break; - } - } - command_flags |= COMMAND_SETEXPOSURE; - } else if (MATCH("exposure_mode")) { - if (!retval && MATCH("auto")) - new_params.exposure.expMode = 2; - else if (!retval && MATCH("manual")) { - if (new_params.exposure.expMode == 2) - new_params.exposure.expMode = 3; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - new_params.flickerControl.flickerMode = 0; - } else - retval = -EINVAL; - - command_flags |= COMMAND_SETEXPOSURE; - } else if (MATCH("centre_weight")) { - if (!retval && MATCH("on")) - new_params.exposure.centreWeight = 1; - else if (!retval && MATCH("off")) - new_params.exposure.centreWeight = 2; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETEXPOSURE; - } else if (MATCH("gain")) { - if (!retval) - val = VALUE; - - if (!retval) { - switch(val) { - case 1: - new_params.exposure.gain = 0; - break; - case 2: - new_params.exposure.gain = 1; - break; - case 4: - new_params.exposure.gain = 2; - break; - case 8: - new_params.exposure.gain = 3; - break; - default: - retval = -EINVAL; - break; - } - new_params.exposure.expMode = 1; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - new_params.flickerControl.flickerMode = 0; - command_flags |= COMMAND_SETEXPOSURE; - if (new_params.exposure.gain > - new_params.exposure.gainMode-1) - retval = -EINVAL; - } - } else if (MATCH("fine_exp")) { - if (!retval) - val = VALUE/2; - - if (!retval) { - if (val < 256) { - /* 1-02 firmware limits fineExp/2 to 127*/ - if (FIRMWARE_VERSION(1,2) && val > 127) - val = 127; - new_params.exposure.fineExp = val; - new_params.exposure.expMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - new_params.flickerControl.flickerMode = 0; - command_flags |= COMMAND_SETFLICKERCTRL; - } else - retval = -EINVAL; - } - } else if (MATCH("coarse_exp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= MAX_EXP) { - if (FIRMWARE_VERSION(1,2) && - val > MAX_EXP_102) - val = MAX_EXP_102; - new_params.exposure.coarseExpLo = - val & 0xff; - new_params.exposure.coarseExpHi = - val >> 8; - new_params.exposure.expMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - new_params.flickerControl.flickerMode = 0; - command_flags |= COMMAND_SETFLICKERCTRL; - } else - retval = -EINVAL; - } - } else if (MATCH("red_comp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val >= COMP_RED && val <= 255) { - new_params.exposure.redComp = val; - new_params.exposure.compMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - } else - retval = -EINVAL; - } - } else if (MATCH("green1_comp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val >= COMP_GREEN1 && val <= 255) { - new_params.exposure.green1Comp = val; - new_params.exposure.compMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - } else - retval = -EINVAL; - } - } else if (MATCH("green2_comp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val >= COMP_GREEN2 && val <= 255) { - new_params.exposure.green2Comp = val; - new_params.exposure.compMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - } else - retval = -EINVAL; - } - } else if (MATCH("blue_comp")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val >= COMP_BLUE && val <= 255) { - new_params.exposure.blueComp = val; - new_params.exposure.compMode = 1; - command_flags |= COMMAND_SETEXPOSURE; - } else - retval = -EINVAL; - } - } else if (MATCH("apcor_gain1")) { - if (!retval) - val = VALUE; - - if (!retval) { - command_flags |= COMMAND_SETAPCOR; - if (val <= 0xff) - new_params.apcor.gain1 = val; - else - retval = -EINVAL; - } - } else if (MATCH("apcor_gain2")) { - if (!retval) - val = VALUE; - - if (!retval) { - command_flags |= COMMAND_SETAPCOR; - if (val <= 0xff) - new_params.apcor.gain2 = val; - else - retval = -EINVAL; - } - } else if (MATCH("apcor_gain4")) { - if (!retval) - val = VALUE; - - if (!retval) { - command_flags |= COMMAND_SETAPCOR; - if (val <= 0xff) - new_params.apcor.gain4 = val; - else - retval = -EINVAL; - } - } else if (MATCH("apcor_gain8")) { - if (!retval) - val = VALUE; - - if (!retval) { - command_flags |= COMMAND_SETAPCOR; - if (val <= 0xff) - new_params.apcor.gain8 = val; - else - retval = -EINVAL; - } - } else if (MATCH("vl_offset_gain1")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.vlOffset.gain1 = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETVLOFFSET; - } else if (MATCH("vl_offset_gain2")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.vlOffset.gain2 = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETVLOFFSET; - } else if (MATCH("vl_offset_gain4")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.vlOffset.gain4 = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETVLOFFSET; - } else if (MATCH("vl_offset_gain8")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.vlOffset.gain8 = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETVLOFFSET; - } else if (MATCH("flicker_control")) { - if (!retval && MATCH("on")) { - set_flicker(&new_params, &command_flags, 1); - } else if (!retval && MATCH("off")) { - set_flicker(&new_params, &command_flags, 0); - } else - retval = -EINVAL; - - command_flags |= COMMAND_SETFLICKERCTRL; - } else if (MATCH("mains_frequency")) { - if (!retval && MATCH("50")) { - new_mains = 0; - new_params.flickerControl.coarseJump = - flicker_jumps[new_mains] - [new_params.sensorFps.baserate] - [new_params.sensorFps.divisor]; - if (new_params.flickerControl.flickerMode) - command_flags |= COMMAND_SETFLICKERCTRL; - } else if (!retval && MATCH("60")) { - new_mains = 1; - new_params.flickerControl.coarseJump = - flicker_jumps[new_mains] - [new_params.sensorFps.baserate] - [new_params.sensorFps.divisor]; - if (new_params.flickerControl.flickerMode) - command_flags |= COMMAND_SETFLICKERCTRL; - } else - retval = -EINVAL; - } else if (MATCH("allowable_overexposure")) { - if (!retval && MATCH("auto")) { - new_params.flickerControl.allowableOverExposure = - -find_over_exposure(new_params.colourParams.brightness); - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - } else { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) { - new_params.flickerControl. - allowableOverExposure = val; - if(new_params.flickerControl.flickerMode != 0) - command_flags |= COMMAND_SETFLICKERCTRL; - } else - retval = -EINVAL; - } - } - } else if (MATCH("compression_mode")) { - if (!retval && MATCH("none")) - new_params.compression.mode = - CPIA_COMPRESSION_NONE; - else if (!retval && MATCH("auto")) - new_params.compression.mode = - CPIA_COMPRESSION_AUTO; - else if (!retval && MATCH("manual")) - new_params.compression.mode = - CPIA_COMPRESSION_MANUAL; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETCOMPRESSION; - } else if (MATCH("decimation_enable")) { - if (!retval && MATCH("off")) - new_params.compression.decimation = 0; - else if (!retval && MATCH("on")) - new_params.compression.decimation = 1; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETCOMPRESSION; - } else if (MATCH("compression_target")) { - if (!retval && MATCH("quality")) - new_params.compressionTarget.frTargeting = - CPIA_COMPRESSION_TARGET_QUALITY; - else if (!retval && MATCH("framerate")) - new_params.compressionTarget.frTargeting = - CPIA_COMPRESSION_TARGET_FRAMERATE; - else - retval = -EINVAL; - - command_flags |= COMMAND_SETCOMPRESSIONTARGET; - } else if (MATCH("target_framerate")) { - if (!retval) - val = VALUE; - - if (!retval) { - if(val > 0 && val <= 30) - new_params.compressionTarget.targetFR = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONTARGET; - } else if (MATCH("target_quality")) { - if (!retval) - val = VALUE; - - if (!retval) { - if(val > 0 && val <= 64) - new_params.compressionTarget.targetQ = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONTARGET; - } else if (MATCH("y_threshold")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val < 32) - new_params.yuvThreshold.yThreshold = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETYUVTHRESH; - } else if (MATCH("uv_threshold")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val < 32) - new_params.yuvThreshold.uvThreshold = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETYUVTHRESH; - } else if (MATCH("hysteresis")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.hysteresis = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("threshold_max")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.threshMax = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("small_step")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.smallStep = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("large_step")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.largeStep = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("decimation_hysteresis")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.decimationHysteresis = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("fr_diff_step_thresh")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.frDiffStepThresh = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("q_diff_step_thresh")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.qDiffStepThresh = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("decimation_thresh_mod")) { - if (!retval) - val = VALUE; - - if (!retval) { - if (val <= 0xff) - new_params.compressionParams.decimationThreshMod = val; - else - retval = -EINVAL; - } - command_flags |= COMMAND_SETCOMPRESSIONPARAMS; - } else if (MATCH("toplight")) { - if (!retval && MATCH("on")) - new_params.qx3.toplight = 1; - else if (!retval && MATCH("off")) - new_params.qx3.toplight = 0; - else - retval = -EINVAL; - command_flags |= COMMAND_SETLIGHTS; - } else if (MATCH("bottomlight")) { - if (!retval && MATCH("on")) - new_params.qx3.bottomlight = 1; - else if (!retval && MATCH("off")) - new_params.qx3.bottomlight = 0; - else - retval = -EINVAL; - command_flags |= COMMAND_SETLIGHTS; - } else { - DBG("No match found\n"); - retval = -EINVAL; - } - - if (!retval) { - while (count && isspace(*buffer) && *buffer != '\n') { - --count; - ++buffer; - } - if (count) { - if (*buffer == '\0' && count != 1) - retval = -EINVAL; - else if (*buffer != '\n' && *buffer != ';' && - *buffer != '\0') - retval = -EINVAL; - else { - --count; - ++buffer; - } - } - } - } -#undef MATCH -#undef VALUE -#undef FIRMWARE_VERSION - if (!retval) { - if (command_flags & COMMAND_SETCOLOURPARAMS) { - /* Adjust cam->vp to reflect these changes */ - cam->vp.brightness = - new_params.colourParams.brightness*65535/100; - cam->vp.contrast = - new_params.colourParams.contrast*65535/100; - cam->vp.colour = - new_params.colourParams.saturation*65535/100; - } - if((command_flags & COMMAND_SETEXPOSURE) && - new_params.exposure.expMode == 2) - cam->exposure_status = EXPOSURE_NORMAL; - - memcpy(&cam->params, &new_params, sizeof(struct cam_params)); - cam->mainsFreq = new_mains; - cam->cmd_queue |= command_flags; - retval = size; - } else - DBG("error: %d\n", retval); - - mutex_unlock(&cam->param_lock); - -out: - free_page((unsigned long)page); - return retval; -} - -static const struct file_operations cpia_proc_fops = { - .owner = THIS_MODULE, - .open = cpia_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = cpia_proc_write, -}; - -static void create_proc_cpia_cam(struct cam_data *cam) -{ - struct proc_dir_entry *ent; - - if (!cpia_proc_root || !cam) - return; - - ent = proc_create_data(video_device_node_name(&cam->vdev), - S_IRUGO|S_IWUSR, cpia_proc_root, - &cpia_proc_fops, cam); - if (!ent) - return; - - /* - size of the proc entry is 3736 bytes for the standard webcam; - the extra features of the QX3 microscope add 189 bytes. - (we have not yet probed the camera to see which type it is). - */ - ent->size = 3736 + 189; - cam->proc_entry = ent; -} - -static void destroy_proc_cpia_cam(struct cam_data *cam) -{ - if (!cam || !cam->proc_entry) - return; - - remove_proc_entry(video_device_node_name(&cam->vdev), cpia_proc_root); - cam->proc_entry = NULL; -} - -static void proc_cpia_create(void) -{ - cpia_proc_root = proc_mkdir("cpia", NULL); - - if (!cpia_proc_root) - LOG("Unable to initialise /proc/cpia\n"); -} - -static void __exit proc_cpia_destroy(void) -{ - remove_proc_entry("cpia", NULL); -} -#endif /* CONFIG_PROC_FS */ - -/* ----------------------- debug functions ---------------------- */ - -#define printstatus(cam) \ - DBG("%02x %02x %02x %02x %02x %02x %02x %02x\n",\ - cam->params.status.systemState, cam->params.status.grabState, \ - cam->params.status.streamState, cam->params.status.fatalError, \ - cam->params.status.cmdError, cam->params.status.debugFlags, \ - cam->params.status.vpStatus, cam->params.status.errorCode); - -/* ----------------------- v4l helpers -------------------------- */ - -/* supported frame palettes and depths */ -static inline int valid_mode(u16 palette, u16 depth) -{ - if ((palette == VIDEO_PALETTE_YUV422 && depth == 16) || - (palette == VIDEO_PALETTE_YUYV && depth == 16)) - return 1; - - if (colorspace_conv) - return (palette == VIDEO_PALETTE_GREY && depth == 8) || - (palette == VIDEO_PALETTE_RGB555 && depth == 16) || - (palette == VIDEO_PALETTE_RGB565 && depth == 16) || - (palette == VIDEO_PALETTE_RGB24 && depth == 24) || - (palette == VIDEO_PALETTE_RGB32 && depth == 32) || - (palette == VIDEO_PALETTE_UYVY && depth == 16); - - return 0; -} - -static int match_videosize( int width, int height ) -{ - /* return the best match, where 'best' is as always - * the largest that is not bigger than what is requested. */ - if (width>=352 && height>=288) - return VIDEOSIZE_352_288; /* CIF */ - - if (width>=320 && height>=240) - return VIDEOSIZE_320_240; /* SIF */ - - if (width>=288 && height>=216) - return VIDEOSIZE_288_216; - - if (width>=256 && height>=192) - return VIDEOSIZE_256_192; - - if (width>=224 && height>=168) - return VIDEOSIZE_224_168; - - if (width>=192 && height>=144) - return VIDEOSIZE_192_144; - - if (width>=176 && height>=144) - return VIDEOSIZE_176_144; /* QCIF */ - - if (width>=160 && height>=120) - return VIDEOSIZE_160_120; /* QSIF */ - - if (width>=128 && height>=96) - return VIDEOSIZE_128_96; - - if (width>=88 && height>=72) - return VIDEOSIZE_88_72; - - if (width>=64 && height>=48) - return VIDEOSIZE_64_48; - - if (width>=48 && height>=48) - return VIDEOSIZE_48_48; - - return -1; -} - -/* these are the capture sizes we support */ -static void set_vw_size(struct cam_data *cam) -{ - /* the col/row/start/end values are the result of simple math */ - /* study the SetROI-command in cpia developers guide p 2-22 */ - /* streamStartLine is set to the recommended value in the cpia */ - /* developers guide p 3-37 */ - switch(cam->video_size) { - case VIDEOSIZE_CIF: - cam->vw.width = 352; - cam->vw.height = 288; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=0; - cam->params.roi.rowStart=0; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_SIF: - cam->vw.width = 320; - cam->vw.height = 240; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=2; - cam->params.roi.rowStart=6; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_288_216: - cam->vw.width = 288; - cam->vw.height = 216; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=4; - cam->params.roi.rowStart=9; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_256_192: - cam->vw.width = 256; - cam->vw.height = 192; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=6; - cam->params.roi.rowStart=12; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_224_168: - cam->vw.width = 224; - cam->vw.height = 168; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=8; - cam->params.roi.rowStart=15; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_192_144: - cam->vw.width = 192; - cam->vw.height = 144; - cam->params.format.videoSize=VIDEOSIZE_CIF; - cam->params.roi.colStart=10; - cam->params.roi.rowStart=18; - cam->params.streamStartLine = 120; - break; - case VIDEOSIZE_QCIF: - cam->vw.width = 176; - cam->vw.height = 144; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=0; - cam->params.roi.rowStart=0; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_QSIF: - cam->vw.width = 160; - cam->vw.height = 120; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=1; - cam->params.roi.rowStart=3; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_128_96: - cam->vw.width = 128; - cam->vw.height = 96; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=3; - cam->params.roi.rowStart=6; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_88_72: - cam->vw.width = 88; - cam->vw.height = 72; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=5; - cam->params.roi.rowStart=9; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_64_48: - cam->vw.width = 64; - cam->vw.height = 48; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=7; - cam->params.roi.rowStart=12; - cam->params.streamStartLine = 60; - break; - case VIDEOSIZE_48_48: - cam->vw.width = 48; - cam->vw.height = 48; - cam->params.format.videoSize=VIDEOSIZE_QCIF; - cam->params.roi.colStart=8; - cam->params.roi.rowStart=6; - cam->params.streamStartLine = 60; - break; - default: - LOG("bad videosize value: %d\n", cam->video_size); - return; - } - - if(cam->vc.width == 0) - cam->vc.width = cam->vw.width; - if(cam->vc.height == 0) - cam->vc.height = cam->vw.height; - - cam->params.roi.colStart += cam->vc.x >> 3; - cam->params.roi.colEnd = cam->params.roi.colStart + - (cam->vc.width >> 3); - cam->params.roi.rowStart += cam->vc.y >> 2; - cam->params.roi.rowEnd = cam->params.roi.rowStart + - (cam->vc.height >> 2); - - return; -} - -static int allocate_frame_buf(struct cam_data *cam) -{ - int i; - - cam->frame_buf = rvmalloc(FRAME_NUM * CPIA_MAX_FRAME_SIZE); - if (!cam->frame_buf) - return -ENOBUFS; - - for (i = 0; i < FRAME_NUM; i++) - cam->frame[i].data = cam->frame_buf + i * CPIA_MAX_FRAME_SIZE; - - return 0; -} - -static int free_frame_buf(struct cam_data *cam) -{ - int i; - - rvfree(cam->frame_buf, FRAME_NUM*CPIA_MAX_FRAME_SIZE); - cam->frame_buf = NULL; - for (i=0; i < FRAME_NUM; i++) - cam->frame[i].data = NULL; - - return 0; -} - - -static inline void free_frames(struct cpia_frame frame[FRAME_NUM]) -{ - int i; - - for (i=0; i < FRAME_NUM; i++) - frame[i].state = FRAME_UNUSED; - return; -} - -/********************************************************************** - * - * General functions - * - **********************************************************************/ -/* send an arbitrary command to the camera */ -static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d) -{ - int retval, datasize; - u8 cmd[8], data[8]; - - switch(command) { - case CPIA_COMMAND_GetCPIAVersion: - case CPIA_COMMAND_GetPnPID: - case CPIA_COMMAND_GetCameraStatus: - case CPIA_COMMAND_GetVPVersion: - datasize=8; - break; - case CPIA_COMMAND_GetColourParams: - case CPIA_COMMAND_GetColourBalance: - case CPIA_COMMAND_GetExposure: - mutex_lock(&cam->param_lock); - datasize=8; - break; - case CPIA_COMMAND_ReadMCPorts: - case CPIA_COMMAND_ReadVCRegs: - datasize = 4; - break; - default: - datasize=0; - break; - } - - cmd[0] = command>>8; - cmd[1] = command&0xff; - cmd[2] = a; - cmd[3] = b; - cmd[4] = c; - cmd[5] = d; - cmd[6] = datasize; - cmd[7] = 0; - - retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); - if (retval) { - DBG("%x - failed, retval=%d\n", command, retval); - if (command == CPIA_COMMAND_GetColourParams || - command == CPIA_COMMAND_GetColourBalance || - command == CPIA_COMMAND_GetExposure) - mutex_unlock(&cam->param_lock); - } else { - switch(command) { - case CPIA_COMMAND_GetCPIAVersion: - cam->params.version.firmwareVersion = data[0]; - cam->params.version.firmwareRevision = data[1]; - cam->params.version.vcVersion = data[2]; - cam->params.version.vcRevision = data[3]; - break; - case CPIA_COMMAND_GetPnPID: - cam->params.pnpID.vendor = data[0]+(((u16)data[1])<<8); - cam->params.pnpID.product = data[2]+(((u16)data[3])<<8); - cam->params.pnpID.deviceRevision = - data[4]+(((u16)data[5])<<8); - break; - case CPIA_COMMAND_GetCameraStatus: - cam->params.status.systemState = data[0]; - cam->params.status.grabState = data[1]; - cam->params.status.streamState = data[2]; - cam->params.status.fatalError = data[3]; - cam->params.status.cmdError = data[4]; - cam->params.status.debugFlags = data[5]; - cam->params.status.vpStatus = data[6]; - cam->params.status.errorCode = data[7]; - break; - case CPIA_COMMAND_GetVPVersion: - cam->params.vpVersion.vpVersion = data[0]; - cam->params.vpVersion.vpRevision = data[1]; - cam->params.vpVersion.cameraHeadID = - data[2]+(((u16)data[3])<<8); - break; - case CPIA_COMMAND_GetColourParams: - cam->params.colourParams.brightness = data[0]; - cam->params.colourParams.contrast = data[1]; - cam->params.colourParams.saturation = data[2]; - mutex_unlock(&cam->param_lock); - break; - case CPIA_COMMAND_GetColourBalance: - cam->params.colourBalance.redGain = data[0]; - cam->params.colourBalance.greenGain = data[1]; - cam->params.colourBalance.blueGain = data[2]; - mutex_unlock(&cam->param_lock); - break; - case CPIA_COMMAND_GetExposure: - cam->params.exposure.gain = data[0]; - cam->params.exposure.fineExp = data[1]; - cam->params.exposure.coarseExpLo = data[2]; - cam->params.exposure.coarseExpHi = data[3]; - cam->params.exposure.redComp = data[4]; - cam->params.exposure.green1Comp = data[5]; - cam->params.exposure.green2Comp = data[6]; - cam->params.exposure.blueComp = data[7]; - mutex_unlock(&cam->param_lock); - break; - - case CPIA_COMMAND_ReadMCPorts: - if (!cam->params.qx3.qx3_detected) - break; - /* test button press */ - cam->params.qx3.button = ((data[1] & 0x02) == 0); - if (cam->params.qx3.button) { - /* button pressed - unlock the latch */ - do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xDF,0xDF,0); - do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xFF,0xFF,0); - } - - /* test whether microscope is cradled */ - cam->params.qx3.cradled = ((data[2] & 0x40) == 0); - break; - - default: - break; - } - } - return retval; -} - -/* send a command to the camera with an additional data transaction */ -static int do_command_extended(struct cam_data *cam, u16 command, - u8 a, u8 b, u8 c, u8 d, - u8 e, u8 f, u8 g, u8 h, - u8 i, u8 j, u8 k, u8 l) -{ - int retval; - u8 cmd[8], data[8]; - - cmd[0] = command>>8; - cmd[1] = command&0xff; - cmd[2] = a; - cmd[3] = b; - cmd[4] = c; - cmd[5] = d; - cmd[6] = 8; - cmd[7] = 0; - data[0] = e; - data[1] = f; - data[2] = g; - data[3] = h; - data[4] = i; - data[5] = j; - data[6] = k; - data[7] = l; - - retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); - if (retval) - DBG("%x - failed\n", command); - - return retval; -} - -/********************************************************************** - * - * Colorspace conversion - * - **********************************************************************/ -#define LIMIT(x) ((((x)>0xffffff)?0xff0000:(((x)<=0xffff)?0:(x)&0xff0000))>>16) - -static int convert420(unsigned char *yuv, unsigned char *rgb, int out_fmt, - int linesize, int mmap_kludge) -{ - int y, u, v, r, g, b, y1; - - /* Odd lines use the same u and v as the previous line. - * Because of compression, it is necessary to get this - * information from the decoded image. */ - switch(out_fmt) { - case VIDEO_PALETTE_RGB555: - y = (*yuv++ - 16) * 76310; - y1 = (*yuv - 16) * 76310; - r = ((*(rgb+1-linesize)) & 0x7c) << 1; - g = ((*(rgb-linesize)) & 0xe0) >> 4 | - ((*(rgb+1-linesize)) & 0x03) << 6; - b = ((*(rgb-linesize)) & 0x1f) << 3; - u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; - v = (157968 * r - 132278 * g - 25690 * b) / 5366159; - r = 104635 * v; - g = -25690 * u - 53294 * v; - b = 132278 * u; - *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); - *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); - *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); - *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); - return 4; - case VIDEO_PALETTE_RGB565: - y = (*yuv++ - 16) * 76310; - y1 = (*yuv - 16) * 76310; - r = (*(rgb+1-linesize)) & 0xf8; - g = ((*(rgb-linesize)) & 0xe0) >> 3 | - ((*(rgb+1-linesize)) & 0x07) << 5; - b = ((*(rgb-linesize)) & 0x1f) << 3; - u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; - v = (157968 * r - 132278 * g - 25690 * b) / 5366159; - r = 104635 * v; - g = -25690 * u - 53294 * v; - b = 132278 * u; - *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); - *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); - *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); - *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); - return 4; - break; - case VIDEO_PALETTE_RGB24: - case VIDEO_PALETTE_RGB32: - y = (*yuv++ - 16) * 76310; - y1 = (*yuv - 16) * 76310; - if (mmap_kludge) { - r = *(rgb+2-linesize); - g = *(rgb+1-linesize); - b = *(rgb-linesize); - } else { - r = *(rgb-linesize); - g = *(rgb+1-linesize); - b = *(rgb+2-linesize); - } - u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; - v = (157968 * r - 132278 * g - 25690 * b) / 5366159; - r = 104635 * v; - g = -25690 * u + -53294 * v; - b = 132278 * u; - if (mmap_kludge) { - *rgb++ = LIMIT(b+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(r+y); - if(out_fmt == VIDEO_PALETTE_RGB32) - rgb++; - *rgb++ = LIMIT(b+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(r+y1); - } else { - *rgb++ = LIMIT(r+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(b+y); - if(out_fmt == VIDEO_PALETTE_RGB32) - rgb++; - *rgb++ = LIMIT(r+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(b+y1); - } - if(out_fmt == VIDEO_PALETTE_RGB32) - return 8; - return 6; - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - y = *yuv++; - u = *(rgb+1-linesize); - y1 = *yuv; - v = *(rgb+3-linesize); - *rgb++ = y; - *rgb++ = u; - *rgb++ = y1; - *rgb = v; - return 4; - case VIDEO_PALETTE_UYVY: - u = *(rgb-linesize); - y = *yuv++; - v = *(rgb+2-linesize); - y1 = *yuv; - *rgb++ = u; - *rgb++ = y; - *rgb++ = v; - *rgb = y1; - return 4; - case VIDEO_PALETTE_GREY: - *rgb++ = *yuv++; - *rgb = *yuv; - return 2; - default: - DBG("Empty: %d\n", out_fmt); - return 0; - } -} - - -static int yuvconvert(unsigned char *yuv, unsigned char *rgb, int out_fmt, - int in_uyvy, int mmap_kludge) -{ - int y, u, v, r, g, b, y1; - - switch(out_fmt) { - case VIDEO_PALETTE_RGB555: - case VIDEO_PALETTE_RGB565: - case VIDEO_PALETTE_RGB24: - case VIDEO_PALETTE_RGB32: - if (in_uyvy) { - u = *yuv++ - 128; - y = (*yuv++ - 16) * 76310; - v = *yuv++ - 128; - y1 = (*yuv - 16) * 76310; - } else { - y = (*yuv++ - 16) * 76310; - u = *yuv++ - 128; - y1 = (*yuv++ - 16) * 76310; - v = *yuv - 128; - } - r = 104635 * v; - g = -25690 * u + -53294 * v; - b = 132278 * u; - break; - default: - y = *yuv++; - u = *yuv++; - y1 = *yuv++; - v = *yuv; - /* Just to avoid compiler warnings */ - r = 0; - g = 0; - b = 0; - break; - } - switch(out_fmt) { - case VIDEO_PALETTE_RGB555: - *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); - *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); - *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); - *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); - return 4; - case VIDEO_PALETTE_RGB565: - *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); - *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); - *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); - *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); - return 4; - case VIDEO_PALETTE_RGB24: - if (mmap_kludge) { - *rgb++ = LIMIT(b+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(r+y); - *rgb++ = LIMIT(b+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(r+y1); - } else { - *rgb++ = LIMIT(r+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(b+y); - *rgb++ = LIMIT(r+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(b+y1); - } - return 6; - case VIDEO_PALETTE_RGB32: - if (mmap_kludge) { - *rgb++ = LIMIT(b+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(r+y); - rgb++; - *rgb++ = LIMIT(b+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(r+y1); - } else { - *rgb++ = LIMIT(r+y); - *rgb++ = LIMIT(g+y); - *rgb++ = LIMIT(b+y); - rgb++; - *rgb++ = LIMIT(r+y1); - *rgb++ = LIMIT(g+y1); - *rgb = LIMIT(b+y1); - } - return 8; - case VIDEO_PALETTE_GREY: - *rgb++ = y; - *rgb = y1; - return 2; - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - *rgb++ = y; - *rgb++ = u; - *rgb++ = y1; - *rgb = v; - return 4; - case VIDEO_PALETTE_UYVY: - *rgb++ = u; - *rgb++ = y; - *rgb++ = v; - *rgb = y1; - return 4; - default: - DBG("Empty: %d\n", out_fmt); - return 0; - } -} - -static int skipcount(int count, int fmt) -{ - switch(fmt) { - case VIDEO_PALETTE_GREY: - return count; - case VIDEO_PALETTE_RGB555: - case VIDEO_PALETTE_RGB565: - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - case VIDEO_PALETTE_UYVY: - return 2*count; - case VIDEO_PALETTE_RGB24: - return 3*count; - case VIDEO_PALETTE_RGB32: - return 4*count; - default: - return 0; - } -} - -static int parse_picture(struct cam_data *cam, int size) -{ - u8 *obuf, *ibuf, *end_obuf; - int ll, in_uyvy, compressed, decimation, even_line, origsize, out_fmt; - int rows, cols, linesize, subsample_422; - - /* make sure params don't change while we are decoding */ - mutex_lock(&cam->param_lock); - - obuf = cam->decompressed_frame.data; - end_obuf = obuf+CPIA_MAX_FRAME_SIZE; - ibuf = cam->raw_image; - origsize = size; - out_fmt = cam->vp.palette; - - if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) { - LOG("header not found\n"); - mutex_unlock(&cam->param_lock); - return -1; - } - - if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) { - LOG("wrong video size\n"); - mutex_unlock(&cam->param_lock); - return -1; - } - - if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) { - LOG("illegal subtype %d\n",ibuf[17]); - mutex_unlock(&cam->param_lock); - return -1; - } - subsample_422 = ibuf[17] == SUBSAMPLE_422; - - if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) { - LOG("illegal yuvorder %d\n",ibuf[18]); - mutex_unlock(&cam->param_lock); - return -1; - } - in_uyvy = ibuf[18] == YUVORDER_UYVY; - - if ((ibuf[24] != cam->params.roi.colStart) || - (ibuf[25] != cam->params.roi.colEnd) || - (ibuf[26] != cam->params.roi.rowStart) || - (ibuf[27] != cam->params.roi.rowEnd)) { - LOG("ROI mismatch\n"); - mutex_unlock(&cam->param_lock); - return -1; - } - cols = 8*(ibuf[25] - ibuf[24]); - rows = 4*(ibuf[27] - ibuf[26]); - - - if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) { - LOG("illegal compression %d\n",ibuf[28]); - mutex_unlock(&cam->param_lock); - return -1; - } - compressed = (ibuf[28] == COMPRESSED); - - if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) { - LOG("illegal decimation %d\n",ibuf[29]); - mutex_unlock(&cam->param_lock); - return -1; - } - decimation = (ibuf[29] == DECIMATION_ENAB); - - cam->params.yuvThreshold.yThreshold = ibuf[30]; - cam->params.yuvThreshold.uvThreshold = ibuf[31]; - cam->params.status.systemState = ibuf[32]; - cam->params.status.grabState = ibuf[33]; - cam->params.status.streamState = ibuf[34]; - cam->params.status.fatalError = ibuf[35]; - cam->params.status.cmdError = ibuf[36]; - cam->params.status.debugFlags = ibuf[37]; - cam->params.status.vpStatus = ibuf[38]; - cam->params.status.errorCode = ibuf[39]; - cam->fps = ibuf[41]; - mutex_unlock(&cam->param_lock); - - linesize = skipcount(cols, out_fmt); - ibuf += FRAME_HEADER_SIZE; - size -= FRAME_HEADER_SIZE; - ll = ibuf[0] | (ibuf[1] << 8); - ibuf += 2; - even_line = 1; - - while (size > 0) { - size -= (ll+2); - if (size < 0) { - LOG("Insufficient data in buffer\n"); - return -1; - } - - while (ll > 1) { - if (!compressed || (compressed && !(*ibuf & 1))) { - if(subsample_422 || even_line) { - obuf += yuvconvert(ibuf, obuf, out_fmt, - in_uyvy, cam->mmap_kludge); - ibuf += 4; - ll -= 4; - } else { - /* SUBSAMPLE_420 on an odd line */ - obuf += convert420(ibuf, obuf, - out_fmt, linesize, - cam->mmap_kludge); - ibuf += 2; - ll -= 2; - } - } else { - /*skip compressed interval from previous frame*/ - obuf += skipcount(*ibuf >> 1, out_fmt); - if (obuf > end_obuf) { - LOG("Insufficient buffer size\n"); - return -1; - } - ++ibuf; - ll--; - } - } - if (ll == 1) { - if (*ibuf != EOL) { - DBG("EOL not found giving up after %d/%d" - " bytes\n", origsize-size, origsize); - return -1; - } - - ++ibuf; /* skip over EOL */ - - if ((size > 3) && (ibuf[0] == EOI) && (ibuf[1] == EOI) && - (ibuf[2] == EOI) && (ibuf[3] == EOI)) { - size -= 4; - break; - } - - if(decimation) { - /* skip the odd lines for now */ - obuf += linesize; - } - - if (size > 1) { - ll = ibuf[0] | (ibuf[1] << 8); - ibuf += 2; /* skip over line length */ - } - if(!decimation) - even_line = !even_line; - } else { - LOG("line length was not 1 but %d after %d/%d bytes\n", - ll, origsize-size, origsize); - return -1; - } - } - - if(decimation) { - /* interpolate odd rows */ - int i, j; - u8 *prev, *next; - prev = cam->decompressed_frame.data; - obuf = prev+linesize; - next = obuf+linesize; - for(i=1; i<rows-1; i+=2) { - for(j=0; j<linesize; ++j) { - *obuf++ = ((int)*prev++ + *next++) / 2; - } - prev += linesize; - obuf += linesize; - next += linesize; - } - /* last row is odd, just copy previous row */ - memcpy(obuf, prev, linesize); - } - - cam->decompressed_frame.count = obuf-cam->decompressed_frame.data; - - return cam->decompressed_frame.count; -} - -/* InitStreamCap wrapper to select correct start line */ -static inline int init_stream_cap(struct cam_data *cam) -{ - return do_command(cam, CPIA_COMMAND_InitStreamCap, - 0, cam->params.streamStartLine, 0, 0); -} - - -/* find_over_exposure - * Finds a suitable value of OverExposure for use with SetFlickerCtrl - * Some calculation is required because this value changes with the brightness - * set with SetColourParameters - * - * Parameters: Brightness - last brightness value set with SetColourParameters - * - * Returns: OverExposure value to use with SetFlickerCtrl - */ -#define FLICKER_MAX_EXPOSURE 250 -#define FLICKER_ALLOWABLE_OVER_EXPOSURE 146 -#define FLICKER_BRIGHTNESS_CONSTANT 59 -static int find_over_exposure(int brightness) -{ - int MaxAllowableOverExposure, OverExposure; - - MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness - - FLICKER_BRIGHTNESS_CONSTANT; - - if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) { - OverExposure = MaxAllowableOverExposure; - } else { - OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE; - } - - return OverExposure; -} -#undef FLICKER_MAX_EXPOSURE -#undef FLICKER_ALLOWABLE_OVER_EXPOSURE -#undef FLICKER_BRIGHTNESS_CONSTANT - -/* update various camera modes and settings */ -static void dispatch_commands(struct cam_data *cam) -{ - mutex_lock(&cam->param_lock); - if (cam->cmd_queue==COMMAND_NONE) { - mutex_unlock(&cam->param_lock); - return; - } - DEB_BYTE(cam->cmd_queue); - DEB_BYTE(cam->cmd_queue>>8); - if (cam->cmd_queue & COMMAND_SETFORMAT) { - do_command(cam, CPIA_COMMAND_SetFormat, - cam->params.format.videoSize, - cam->params.format.subSample, - cam->params.format.yuvOrder, 0); - do_command(cam, CPIA_COMMAND_SetROI, - cam->params.roi.colStart, cam->params.roi.colEnd, - cam->params.roi.rowStart, cam->params.roi.rowEnd); - cam->first_frame = 1; - } - - if (cam->cmd_queue & COMMAND_SETCOLOURPARAMS) - do_command(cam, CPIA_COMMAND_SetColourParams, - cam->params.colourParams.brightness, - cam->params.colourParams.contrast, - cam->params.colourParams.saturation, 0); - - if (cam->cmd_queue & COMMAND_SETAPCOR) - do_command(cam, CPIA_COMMAND_SetApcor, - cam->params.apcor.gain1, - cam->params.apcor.gain2, - cam->params.apcor.gain4, - cam->params.apcor.gain8); - - if (cam->cmd_queue & COMMAND_SETVLOFFSET) - do_command(cam, CPIA_COMMAND_SetVLOffset, - cam->params.vlOffset.gain1, - cam->params.vlOffset.gain2, - cam->params.vlOffset.gain4, - cam->params.vlOffset.gain8); - - if (cam->cmd_queue & COMMAND_SETEXPOSURE) { - do_command_extended(cam, CPIA_COMMAND_SetExposure, - cam->params.exposure.gainMode, - 1, - cam->params.exposure.compMode, - cam->params.exposure.centreWeight, - cam->params.exposure.gain, - cam->params.exposure.fineExp, - cam->params.exposure.coarseExpLo, - cam->params.exposure.coarseExpHi, - cam->params.exposure.redComp, - cam->params.exposure.green1Comp, - cam->params.exposure.green2Comp, - cam->params.exposure.blueComp); - if(cam->params.exposure.expMode != 1) { - do_command_extended(cam, CPIA_COMMAND_SetExposure, - 0, - cam->params.exposure.expMode, - 0, 0, - cam->params.exposure.gain, - cam->params.exposure.fineExp, - cam->params.exposure.coarseExpLo, - cam->params.exposure.coarseExpHi, - 0, 0, 0, 0); - } - } - - if (cam->cmd_queue & COMMAND_SETCOLOURBALANCE) { - if (cam->params.colourBalance.balanceMode == 1) { - do_command(cam, CPIA_COMMAND_SetColourBalance, - 1, - cam->params.colourBalance.redGain, - cam->params.colourBalance.greenGain, - cam->params.colourBalance.blueGain); - do_command(cam, CPIA_COMMAND_SetColourBalance, - 3, 0, 0, 0); - } - if (cam->params.colourBalance.balanceMode == 2) { - do_command(cam, CPIA_COMMAND_SetColourBalance, - 2, 0, 0, 0); - } - if (cam->params.colourBalance.balanceMode == 3) { - do_command(cam, CPIA_COMMAND_SetColourBalance, - 3, 0, 0, 0); - } - } - - if (cam->cmd_queue & COMMAND_SETCOMPRESSIONTARGET) - do_command(cam, CPIA_COMMAND_SetCompressionTarget, - cam->params.compressionTarget.frTargeting, - cam->params.compressionTarget.targetFR, - cam->params.compressionTarget.targetQ, 0); - - if (cam->cmd_queue & COMMAND_SETYUVTHRESH) - do_command(cam, CPIA_COMMAND_SetYUVThresh, - cam->params.yuvThreshold.yThreshold, - cam->params.yuvThreshold.uvThreshold, 0, 0); - - if (cam->cmd_queue & COMMAND_SETCOMPRESSIONPARAMS) - do_command_extended(cam, CPIA_COMMAND_SetCompressionParams, - 0, 0, 0, 0, - cam->params.compressionParams.hysteresis, - cam->params.compressionParams.threshMax, - cam->params.compressionParams.smallStep, - cam->params.compressionParams.largeStep, - cam->params.compressionParams.decimationHysteresis, - cam->params.compressionParams.frDiffStepThresh, - cam->params.compressionParams.qDiffStepThresh, - cam->params.compressionParams.decimationThreshMod); - - if (cam->cmd_queue & COMMAND_SETCOMPRESSION) - do_command(cam, CPIA_COMMAND_SetCompression, - cam->params.compression.mode, - cam->params.compression.decimation, 0, 0); - - if (cam->cmd_queue & COMMAND_SETSENSORFPS) - do_command(cam, CPIA_COMMAND_SetSensorFPS, - cam->params.sensorFps.divisor, - cam->params.sensorFps.baserate, 0, 0); - - if (cam->cmd_queue & COMMAND_SETFLICKERCTRL) - do_command(cam, CPIA_COMMAND_SetFlickerCtrl, - cam->params.flickerControl.flickerMode, - cam->params.flickerControl.coarseJump, - abs(cam->params.flickerControl.allowableOverExposure), - 0); - - if (cam->cmd_queue & COMMAND_SETECPTIMING) - do_command(cam, CPIA_COMMAND_SetECPTiming, - cam->params.ecpTiming, 0, 0, 0); - - if (cam->cmd_queue & COMMAND_PAUSE) - do_command(cam, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0); - - if (cam->cmd_queue & COMMAND_RESUME) - init_stream_cap(cam); - - if (cam->cmd_queue & COMMAND_SETLIGHTS && cam->params.qx3.qx3_detected) - { - int p1 = (cam->params.qx3.bottomlight == 0) << 1; - int p2 = (cam->params.qx3.toplight == 0) << 3; - do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0); - do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0); - } - - cam->cmd_queue = COMMAND_NONE; - mutex_unlock(&cam->param_lock); - return; -} - - - -static void set_flicker(struct cam_params *params, volatile u32 *command_flags, - int on) -{ - /* Everything in here is from the Windows driver */ -#define FIRMWARE_VERSION(x,y) (params->version.firmwareVersion == (x) && \ - params->version.firmwareRevision == (y)) -/* define for compgain calculation */ -#if 0 -#define COMPGAIN(base, curexp, newexp) \ - (u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5) -#define EXP_FROM_COMP(basecomp, curcomp, curexp) \ - (u16)((float)curexp * (float)(u8)(curcomp + 128) / (float)(u8)(basecomp - 128)) -#else - /* equivalent functions without floating point math */ -#define COMPGAIN(base, curexp, newexp) \ - (u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2* newexp)) ) -#define EXP_FROM_COMP(basecomp, curcomp, curexp) \ - (u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128))) -#endif - - - int currentexp = params->exposure.coarseExpLo + - params->exposure.coarseExpHi*256; - int startexp; - if (on) { - int cj = params->flickerControl.coarseJump; - params->flickerControl.flickerMode = 1; - params->flickerControl.disabled = 0; - if(params->exposure.expMode != 2) - *command_flags |= COMMAND_SETEXPOSURE; - params->exposure.expMode = 2; - currentexp = currentexp << params->exposure.gain; - params->exposure.gain = 0; - /* round down current exposure to nearest value */ - startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj; - if(startexp < 1) - startexp = 1; - startexp = (startexp * cj) - 1; - if(FIRMWARE_VERSION(1,2)) - while(startexp > MAX_EXP_102) - startexp -= cj; - else - while(startexp > MAX_EXP) - startexp -= cj; - params->exposure.coarseExpLo = startexp & 0xff; - params->exposure.coarseExpHi = startexp >> 8; - if (currentexp > startexp) { - if (currentexp > (2 * startexp)) - currentexp = 2 * startexp; - params->exposure.redComp = COMPGAIN (COMP_RED, currentexp, startexp); - params->exposure.green1Comp = COMPGAIN (COMP_GREEN1, currentexp, startexp); - params->exposure.green2Comp = COMPGAIN (COMP_GREEN2, currentexp, startexp); - params->exposure.blueComp = COMPGAIN (COMP_BLUE, currentexp, startexp); - } else { - params->exposure.redComp = COMP_RED; - params->exposure.green1Comp = COMP_GREEN1; - params->exposure.green2Comp = COMP_GREEN2; - params->exposure.blueComp = COMP_BLUE; - } - if(FIRMWARE_VERSION(1,2)) - params->exposure.compMode = 0; - else - params->exposure.compMode = 1; - - params->apcor.gain1 = 0x18; - params->apcor.gain2 = 0x18; - params->apcor.gain4 = 0x16; - params->apcor.gain8 = 0x14; - *command_flags |= COMMAND_SETAPCOR; - } else { - params->flickerControl.flickerMode = 0; - params->flickerControl.disabled = 1; - /* Coarse = average of equivalent coarse for each comp channel */ - startexp = EXP_FROM_COMP(COMP_RED, params->exposure.redComp, currentexp); - startexp += EXP_FROM_COMP(COMP_GREEN1, params->exposure.green1Comp, currentexp); - startexp += EXP_FROM_COMP(COMP_GREEN2, params->exposure.green2Comp, currentexp); - startexp += EXP_FROM_COMP(COMP_BLUE, params->exposure.blueComp, currentexp); - startexp = startexp >> 2; - while(startexp > MAX_EXP && - params->exposure.gain < params->exposure.gainMode-1) { - startexp = startexp >> 1; - ++params->exposure.gain; - } - if(FIRMWARE_VERSION(1,2) && startexp > MAX_EXP_102) - startexp = MAX_EXP_102; - if(startexp > MAX_EXP) - startexp = MAX_EXP; - params->exposure.coarseExpLo = startexp&0xff; - params->exposure.coarseExpHi = startexp >> 8; - params->exposure.redComp = COMP_RED; - params->exposure.green1Comp = COMP_GREEN1; - params->exposure.green2Comp = COMP_GREEN2; - params->exposure.blueComp = COMP_BLUE; - params->exposure.compMode = 1; - *command_flags |= COMMAND_SETEXPOSURE; - params->apcor.gain1 = 0x18; - params->apcor.gain2 = 0x16; - params->apcor.gain4 = 0x24; - params->apcor.gain8 = 0x34; - *command_flags |= COMMAND_SETAPCOR; - } - params->vlOffset.gain1 = 20; - params->vlOffset.gain2 = 24; - params->vlOffset.gain4 = 26; - params->vlOffset.gain8 = 26; - *command_flags |= COMMAND_SETVLOFFSET; -#undef FIRMWARE_VERSION -#undef EXP_FROM_COMP -#undef COMPGAIN -} - -#define FIRMWARE_VERSION(x,y) (cam->params.version.firmwareVersion == (x) && \ - cam->params.version.firmwareRevision == (y)) -/* monitor the exposure and adjust the sensor frame rate if needed */ -static void monitor_exposure(struct cam_data *cam) -{ - u8 exp_acc, bcomp, gain, coarseL, cmd[8], data[8]; - int retval, light_exp, dark_exp, very_dark_exp; - int old_exposure, new_exposure, framerate; - - /* get necessary stats and register settings from camera */ - /* do_command can't handle this, so do it ourselves */ - cmd[0] = CPIA_COMMAND_ReadVPRegs>>8; - cmd[1] = CPIA_COMMAND_ReadVPRegs&0xff; - cmd[2] = 30; - cmd[3] = 4; - cmd[4] = 9; - cmd[5] = 8; - cmd[6] = 8; - cmd[7] = 0; - retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); - if (retval) { - LOG("ReadVPRegs(30,4,9,8) - failed, retval=%d\n", - retval); - return; - } - exp_acc = data[0]; - bcomp = data[1]; - gain = data[2]; - coarseL = data[3]; - - mutex_lock(&cam->param_lock); - light_exp = cam->params.colourParams.brightness + - TC - 50 + EXP_ACC_LIGHT; - if(light_exp > 255) - light_exp = 255; - dark_exp = cam->params.colourParams.brightness + - TC - 50 - EXP_ACC_DARK; - if(dark_exp < 0) - dark_exp = 0; - very_dark_exp = dark_exp/2; - - old_exposure = cam->params.exposure.coarseExpHi * 256 + - cam->params.exposure.coarseExpLo; - - if(!cam->params.flickerControl.disabled) { - /* Flicker control on */ - int max_comp = FIRMWARE_VERSION(1,2) ? MAX_COMP : HIGH_COMP_102; - bcomp += 128; /* decode */ - if(bcomp >= max_comp && exp_acc < dark_exp) { - /* dark */ - if(exp_acc < very_dark_exp) { - /* very dark */ - if(cam->exposure_status == EXPOSURE_VERY_DARK) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_VERY_DARK; - cam->exposure_count = 1; - } - } else { - /* just dark */ - if(cam->exposure_status == EXPOSURE_DARK) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_DARK; - cam->exposure_count = 1; - } - } - } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { - /* light */ - if(old_exposure <= VERY_LOW_EXP) { - /* very light */ - if(cam->exposure_status == EXPOSURE_VERY_LIGHT) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_VERY_LIGHT; - cam->exposure_count = 1; - } - } else { - /* just light */ - if(cam->exposure_status == EXPOSURE_LIGHT) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_LIGHT; - cam->exposure_count = 1; - } - } - } else { - /* not dark or light */ - cam->exposure_status = EXPOSURE_NORMAL; - } - } else { - /* Flicker control off */ - if(old_exposure >= MAX_EXP && exp_acc < dark_exp) { - /* dark */ - if(exp_acc < very_dark_exp) { - /* very dark */ - if(cam->exposure_status == EXPOSURE_VERY_DARK) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_VERY_DARK; - cam->exposure_count = 1; - } - } else { - /* just dark */ - if(cam->exposure_status == EXPOSURE_DARK) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_DARK; - cam->exposure_count = 1; - } - } - } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { - /* light */ - if(old_exposure <= VERY_LOW_EXP) { - /* very light */ - if(cam->exposure_status == EXPOSURE_VERY_LIGHT) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_VERY_LIGHT; - cam->exposure_count = 1; - } - } else { - /* just light */ - if(cam->exposure_status == EXPOSURE_LIGHT) - ++cam->exposure_count; - else { - cam->exposure_status = EXPOSURE_LIGHT; - cam->exposure_count = 1; - } - } - } else { - /* not dark or light */ - cam->exposure_status = EXPOSURE_NORMAL; - } - } - - framerate = cam->fps; - if(framerate > 30 || framerate < 1) - framerate = 1; - - if(!cam->params.flickerControl.disabled) { - /* Flicker control on */ - if((cam->exposure_status == EXPOSURE_VERY_DARK || - cam->exposure_status == EXPOSURE_DARK) && - cam->exposure_count >= DARK_TIME*framerate && - cam->params.sensorFps.divisor < 3) { - - /* dark for too long */ - ++cam->params.sensorFps.divisor; - cam->cmd_queue |= COMMAND_SETSENSORFPS; - - cam->params.flickerControl.coarseJump = - flicker_jumps[cam->mainsFreq] - [cam->params.sensorFps.baserate] - [cam->params.sensorFps.divisor]; - cam->cmd_queue |= COMMAND_SETFLICKERCTRL; - - new_exposure = cam->params.flickerControl.coarseJump-1; - while(new_exposure < old_exposure/2) - new_exposure += cam->params.flickerControl.coarseJump; - cam->params.exposure.coarseExpLo = new_exposure & 0xff; - cam->params.exposure.coarseExpHi = new_exposure >> 8; - cam->cmd_queue |= COMMAND_SETEXPOSURE; - cam->exposure_status = EXPOSURE_NORMAL; - LOG("Automatically decreasing sensor_fps\n"); - - } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || - cam->exposure_status == EXPOSURE_LIGHT) && - cam->exposure_count >= LIGHT_TIME*framerate && - cam->params.sensorFps.divisor > 0) { - - /* light for too long */ - int max_exp = FIRMWARE_VERSION(1,2) ? MAX_EXP_102 : MAX_EXP ; - - --cam->params.sensorFps.divisor; - cam->cmd_queue |= COMMAND_SETSENSORFPS; - - cam->params.flickerControl.coarseJump = - flicker_jumps[cam->mainsFreq] - [cam->params.sensorFps.baserate] - [cam->params.sensorFps.divisor]; - cam->cmd_queue |= COMMAND_SETFLICKERCTRL; - - new_exposure = cam->params.flickerControl.coarseJump-1; - while(new_exposure < 2*old_exposure && - new_exposure+ - cam->params.flickerControl.coarseJump < max_exp) - new_exposure += cam->params.flickerControl.coarseJump; - cam->params.exposure.coarseExpLo = new_exposure & 0xff; - cam->params.exposure.coarseExpHi = new_exposure >> 8; - cam->cmd_queue |= COMMAND_SETEXPOSURE; - cam->exposure_status = EXPOSURE_NORMAL; - LOG("Automatically increasing sensor_fps\n"); - } - } else { - /* Flicker control off */ - if((cam->exposure_status == EXPOSURE_VERY_DARK || - cam->exposure_status == EXPOSURE_DARK) && - cam->exposure_count >= DARK_TIME*framerate && - cam->params.sensorFps.divisor < 3) { - - /* dark for too long */ - ++cam->params.sensorFps.divisor; - cam->cmd_queue |= COMMAND_SETSENSORFPS; - - if(cam->params.exposure.gain > 0) { - --cam->params.exposure.gain; - cam->cmd_queue |= COMMAND_SETEXPOSURE; - } - cam->exposure_status = EXPOSURE_NORMAL; - LOG("Automatically decreasing sensor_fps\n"); - - } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || - cam->exposure_status == EXPOSURE_LIGHT) && - cam->exposure_count >= LIGHT_TIME*framerate && - cam->params.sensorFps.divisor > 0) { - - /* light for too long */ - --cam->params.sensorFps.divisor; - cam->cmd_queue |= COMMAND_SETSENSORFPS; - - if(cam->params.exposure.gain < - cam->params.exposure.gainMode-1) { - ++cam->params.exposure.gain; - cam->cmd_queue |= COMMAND_SETEXPOSURE; - } - cam->exposure_status = EXPOSURE_NORMAL; - LOG("Automatically increasing sensor_fps\n"); - } - } - mutex_unlock(&cam->param_lock); -} - -/*-----------------------------------------------------------------*/ -/* if flicker is switched off, this function switches it back on.It checks, - however, that conditions are suitable before restarting it. - This should only be called for firmware version 1.2. - - It also adjust the colour balance when an exposure step is detected - as - long as flicker is running -*/ -static void restart_flicker(struct cam_data *cam) -{ - int cam_exposure, old_exp; - if(!FIRMWARE_VERSION(1,2)) - return; - mutex_lock(&cam->param_lock); - if(cam->params.flickerControl.flickerMode == 0 || - cam->raw_image[39] == 0) { - mutex_unlock(&cam->param_lock); - return; - } - cam_exposure = cam->raw_image[39]*2; - old_exp = cam->params.exposure.coarseExpLo + - cam->params.exposure.coarseExpHi*256; - /* - see how far away camera exposure is from a valid - flicker exposure value - */ - cam_exposure %= cam->params.flickerControl.coarseJump; - if(!cam->params.flickerControl.disabled && - cam_exposure <= cam->params.flickerControl.coarseJump - 3) { - /* Flicker control auto-disabled */ - cam->params.flickerControl.disabled = 1; - } - - if(cam->params.flickerControl.disabled && - cam->params.flickerControl.flickerMode && - old_exp > cam->params.flickerControl.coarseJump + - ROUND_UP_EXP_FOR_FLICKER) { - /* exposure is now high enough to switch - flicker control back on */ - set_flicker(&cam->params, &cam->cmd_queue, 1); - if((cam->cmd_queue & COMMAND_SETEXPOSURE) && - cam->params.exposure.expMode == 2) - cam->exposure_status = EXPOSURE_NORMAL; - - } - mutex_unlock(&cam->param_lock); -} -#undef FIRMWARE_VERSION - -static int clear_stall(struct cam_data *cam) -{ - /* FIXME: Does this actually work? */ - LOG("Clearing stall\n"); - - cam->ops->streamRead(cam->lowlevel_data, cam->raw_image, 0); - do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); - return cam->params.status.streamState != STREAM_PAUSED; -} - -/* kernel thread function to read image from camera */ -static int fetch_frame(void *data) -{ - int image_size, retry; - struct cam_data *cam = (struct cam_data *)data; - unsigned long oldjif, rate, diff; - - /* Allow up to two bad images in a row to be read and - * ignored before an error is reported */ - for (retry = 0; retry < 3; ++retry) { - if (retry) - DBG("retry=%d\n", retry); - - if (!cam->ops) - continue; - - /* load first frame always uncompressed */ - if (cam->first_frame && - cam->params.compression.mode != CPIA_COMPRESSION_NONE) { - do_command(cam, CPIA_COMMAND_SetCompression, - CPIA_COMPRESSION_NONE, - NO_DECIMATION, 0, 0); - /* Trial & error - Discarding a frame prevents the - first frame from having an error in the data. */ - do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); - } - - /* init camera upload */ - if (do_command(cam, CPIA_COMMAND_GrabFrame, 0, - cam->params.streamStartLine, 0, 0)) - continue; - - if (cam->ops->wait_for_stream_ready) { - /* loop until image ready */ - int count = 0; - do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); - while (cam->params.status.streamState != STREAM_READY) { - if(++count > READY_TIMEOUT) - break; - if(cam->params.status.streamState == - STREAM_PAUSED) { - /* Bad news */ - if(!clear_stall(cam)) - return -EIO; - } - - cond_resched(); - - /* sleep for 10 ms, hopefully ;) */ - msleep_interruptible(10); - if (signal_pending(current)) - return -EINTR; - - do_command(cam, CPIA_COMMAND_GetCameraStatus, - 0, 0, 0, 0); - } - if(cam->params.status.streamState != STREAM_READY) { - continue; - } - } - - cond_resched(); - - /* grab image from camera */ - oldjif = jiffies; - image_size = cam->ops->streamRead(cam->lowlevel_data, - cam->raw_image, 0); - if (image_size <= 0) { - DBG("streamRead failed: %d\n", image_size); - continue; - } - - rate = image_size * HZ / 1024; - diff = jiffies-oldjif; - cam->transfer_rate = diff==0 ? rate : rate/diff; - /* diff==0 ? unlikely but possible */ - - /* Switch flicker control back on if it got turned off */ - restart_flicker(cam); - - /* If AEC is enabled, monitor the exposure and - adjust the sensor frame rate if needed */ - if(cam->params.exposure.expMode == 2) - monitor_exposure(cam); - - /* camera idle now so dispatch queued commands */ - dispatch_commands(cam); - - /* Update our knowledge of the camera state */ - do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); - do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); - do_command(cam, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0); - - /* decompress and convert image to by copying it from - * raw_image to decompressed_frame - */ - - cond_resched(); - - cam->image_size = parse_picture(cam, image_size); - if (cam->image_size <= 0) { - DBG("parse_picture failed %d\n", cam->image_size); - if(cam->params.compression.mode != - CPIA_COMPRESSION_NONE) { - /* Compression may not work right if we - had a bad frame, get the next one - uncompressed. */ - cam->first_frame = 1; - do_command(cam, CPIA_COMMAND_SetGrabMode, - CPIA_GRAB_SINGLE, 0, 0, 0); - /* FIXME: Trial & error - need up to 70ms for - the grab mode change to complete ? */ - msleep_interruptible(70); - if (signal_pending(current)) - return -EINTR; - } - } else - break; - } - - if (retry < 3) { - /* FIXME: this only works for double buffering */ - if (cam->frame[cam->curframe].state == FRAME_READY) { - memcpy(cam->frame[cam->curframe].data, - cam->decompressed_frame.data, - cam->decompressed_frame.count); - cam->frame[cam->curframe].state = FRAME_DONE; - } else - cam->decompressed_frame.state = FRAME_DONE; - - if (cam->first_frame) { - cam->first_frame = 0; - do_command(cam, CPIA_COMMAND_SetCompression, - cam->params.compression.mode, - cam->params.compression.decimation, 0, 0); - - /* Switch from single-grab to continuous grab */ - do_command(cam, CPIA_COMMAND_SetGrabMode, - CPIA_GRAB_CONTINUOUS, 0, 0, 0); - } - return 0; - } - return -EIO; -} - -static int capture_frame(struct cam_data *cam, struct video_mmap *vm) -{ - if (!cam->frame_buf) { - /* we do lazy allocation */ - int err; - if ((err = allocate_frame_buf(cam))) - return err; - } - - cam->curframe = vm->frame; - cam->frame[cam->curframe].state = FRAME_READY; - return fetch_frame(cam); -} - -static int goto_high_power(struct cam_data *cam) -{ - if (do_command(cam, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0)) - return -EIO; - msleep_interruptible(40); /* windows driver does it too */ - if(signal_pending(current)) - return -EINTR; - if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) - return -EIO; - if (cam->params.status.systemState == HI_POWER_STATE) { - DBG("camera now in HIGH power state\n"); - return 0; - } - printstatus(cam); - return -EIO; -} - -static int goto_low_power(struct cam_data *cam) -{ - if (do_command(cam, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0)) - return -1; - if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) - return -1; - if (cam->params.status.systemState == LO_POWER_STATE) { - DBG("camera now in LOW power state\n"); - return 0; - } - printstatus(cam); - return -1; -} - -static void save_camera_state(struct cam_data *cam) -{ - if(!(cam->cmd_queue & COMMAND_SETCOLOURBALANCE)) - do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); - if(!(cam->cmd_queue & COMMAND_SETEXPOSURE)) - do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); - - DBG("%d/%d/%d/%d/%d/%d/%d/%d\n", - cam->params.exposure.gain, - cam->params.exposure.fineExp, - cam->params.exposure.coarseExpLo, - cam->params.exposure.coarseExpHi, - cam->params.exposure.redComp, - cam->params.exposure.green1Comp, - cam->params.exposure.green2Comp, - cam->params.exposure.blueComp); - DBG("%d/%d/%d\n", - cam->params.colourBalance.redGain, - cam->params.colourBalance.greenGain, - cam->params.colourBalance.blueGain); -} - -static int set_camera_state(struct cam_data *cam) -{ - cam->cmd_queue = COMMAND_SETCOMPRESSION | - COMMAND_SETCOMPRESSIONTARGET | - COMMAND_SETCOLOURPARAMS | - COMMAND_SETFORMAT | - COMMAND_SETYUVTHRESH | - COMMAND_SETECPTIMING | - COMMAND_SETCOMPRESSIONPARAMS | - COMMAND_SETEXPOSURE | - COMMAND_SETCOLOURBALANCE | - COMMAND_SETSENSORFPS | - COMMAND_SETAPCOR | - COMMAND_SETFLICKERCTRL | - COMMAND_SETVLOFFSET; - - do_command(cam, CPIA_COMMAND_SetGrabMode, CPIA_GRAB_SINGLE,0,0,0); - dispatch_commands(cam); - - /* Wait 6 frames for the sensor to get all settings and - AEC/ACB to settle */ - msleep_interruptible(6*(cam->params.sensorFps.baserate ? 33 : 40) * - (1 << cam->params.sensorFps.divisor) + 10); - - if(signal_pending(current)) - return -EINTR; - - save_camera_state(cam); - - return 0; -} - -static void get_version_information(struct cam_data *cam) -{ - /* GetCPIAVersion */ - do_command(cam, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0); - - /* GetPnPID */ - do_command(cam, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0); -} - -/* initialize camera */ -static int reset_camera(struct cam_data *cam) -{ - int err; - /* Start the camera in low power mode */ - if (goto_low_power(cam)) { - if (cam->params.status.systemState != WARM_BOOT_STATE) - return -ENODEV; - - /* FIXME: this is just dirty trial and error */ - err = goto_high_power(cam); - if(err) - return err; - do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); - if (goto_low_power(cam)) - return -ENODEV; - } - - /* procedure described in developer's guide p3-28 */ - - /* Check the firmware version. */ - cam->params.version.firmwareVersion = 0; - get_version_information(cam); - if (cam->params.version.firmwareVersion != 1) - return -ENODEV; - - /* A bug in firmware 1-02 limits gainMode to 2 */ - if(cam->params.version.firmwareRevision <= 2 && - cam->params.exposure.gainMode > 2) { - cam->params.exposure.gainMode = 2; - } - - /* set QX3 detected flag */ - cam->params.qx3.qx3_detected = (cam->params.pnpID.vendor == 0x0813 && - cam->params.pnpID.product == 0x0001); - - /* The fatal error checking should be done after - * the camera powers up (developer's guide p 3-38) */ - - /* Set streamState before transition to high power to avoid bug - * in firmware 1-02 */ - do_command(cam, CPIA_COMMAND_ModifyCameraStatus, STREAMSTATE, 0, - STREAM_NOT_READY, 0); - - /* GotoHiPower */ - err = goto_high_power(cam); - if (err) - return err; - - /* Check the camera status */ - if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) - return -EIO; - - if (cam->params.status.fatalError) { - DBG("fatal_error: %#04x\n", - cam->params.status.fatalError); - DBG("vp_status: %#04x\n", - cam->params.status.vpStatus); - if (cam->params.status.fatalError & ~(COM_FLAG|CPIA_FLAG)) { - /* Fatal error in camera */ - return -EIO; - } else if (cam->params.status.fatalError & (COM_FLAG|CPIA_FLAG)) { - /* Firmware 1-02 may do this for parallel port cameras, - * just clear the flags (developer's guide p 3-38) */ - do_command(cam, CPIA_COMMAND_ModifyCameraStatus, - FATALERROR, ~(COM_FLAG|CPIA_FLAG), 0, 0); - } - } - - /* Check the camera status again */ - if (cam->params.status.fatalError) { - if (cam->params.status.fatalError) - return -EIO; - } - - /* VPVersion can't be retrieved before the camera is in HiPower, - * so get it here instead of in get_version_information. */ - do_command(cam, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0); - - /* set camera to a known state */ - return set_camera_state(cam); -} - -static void put_cam(struct cpia_camera_ops* ops) -{ - module_put(ops->owner); -} - -/* ------------------------- V4L interface --------------------- */ -static int cpia_open(struct file *file) -{ - struct video_device *dev = video_devdata(file); - struct cam_data *cam = video_get_drvdata(dev); - int err; - - if (!cam) { - DBG("Internal error, cam_data not found!\n"); - return -ENODEV; - } - - if (cam->open_count > 0) { - DBG("Camera already open\n"); - return -EBUSY; - } - - if (!try_module_get(cam->ops->owner)) - return -ENODEV; - - mutex_lock(&cam->busy_lock); - err = -ENOMEM; - if (!cam->raw_image) { - cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE); - if (!cam->raw_image) - goto oops; - } - - if (!cam->decompressed_frame.data) { - cam->decompressed_frame.data = rvmalloc(CPIA_MAX_FRAME_SIZE); - if (!cam->decompressed_frame.data) - goto oops; - } - - /* open cpia */ - err = -ENODEV; - if (cam->ops->open(cam->lowlevel_data)) - goto oops; - - /* reset the camera */ - if ((err = reset_camera(cam)) != 0) { - cam->ops->close(cam->lowlevel_data); - goto oops; - } - - /* Set ownership of /proc/cpia/videoX to current user */ - if(cam->proc_entry) - cam->proc_entry->uid = current_euid(); - - /* set mark for loading first frame uncompressed */ - cam->first_frame = 1; - - /* init it to something */ - cam->mmap_kludge = 0; - - ++cam->open_count; - file->private_data = dev; - mutex_unlock(&cam->busy_lock); - return 0; - - oops: - if (cam->decompressed_frame.data) { - rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); - cam->decompressed_frame.data = NULL; - } - if (cam->raw_image) { - rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); - cam->raw_image = NULL; - } - mutex_unlock(&cam->busy_lock); - put_cam(cam->ops); - return err; -} - -static int cpia_close(struct file *file) -{ - struct video_device *dev = file->private_data; - struct cam_data *cam = video_get_drvdata(dev); - - if (cam->ops) { - /* Return ownership of /proc/cpia/videoX to root */ - if(cam->proc_entry) - cam->proc_entry->uid = 0; - - /* save camera state for later open (developers guide ch 3.5.3) */ - save_camera_state(cam); - - /* GotoLoPower */ - goto_low_power(cam); - - /* Update the camera status */ - do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); - - /* cleanup internal state stuff */ - free_frames(cam->frame); - - /* close cpia */ - cam->ops->close(cam->lowlevel_data); - - put_cam(cam->ops); - } - - if (--cam->open_count == 0) { - /* clean up capture-buffers */ - if (cam->raw_image) { - rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); - cam->raw_image = NULL; - } - - if (cam->decompressed_frame.data) { - rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); - cam->decompressed_frame.data = NULL; - } - - if (cam->frame_buf) - free_frame_buf(cam); - - if (!cam->ops) - kfree(cam); - } - file->private_data = NULL; - - return 0; -} - -static ssize_t cpia_read(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - struct video_device *dev = file->private_data; - struct cam_data *cam = video_get_drvdata(dev); - int err; - - /* make this _really_ smp and multithread-safe */ - if (mutex_lock_interruptible(&cam->busy_lock)) - return -EINTR; - - if (!buf) { - DBG("buf NULL\n"); - mutex_unlock(&cam->busy_lock); - return -EINVAL; - } - - if (!count) { - DBG("count 0\n"); - mutex_unlock(&cam->busy_lock); - return 0; - } - - if (!cam->ops) { - DBG("ops NULL\n"); - mutex_unlock(&cam->busy_lock); - return -ENODEV; - } - - /* upload frame */ - cam->decompressed_frame.state = FRAME_READY; - cam->mmap_kludge=0; - if((err = fetch_frame(cam)) != 0) { - DBG("ERROR from fetch_frame: %d\n", err); - mutex_unlock(&cam->busy_lock); - return err; - } - cam->decompressed_frame.state = FRAME_UNUSED; - - /* copy data to user space */ - if (cam->decompressed_frame.count > count) { - DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count, - (unsigned long) count); - mutex_unlock(&cam->busy_lock); - return -EFAULT; - } - if (copy_to_user(buf, cam->decompressed_frame.data, - cam->decompressed_frame.count)) { - DBG("copy_to_user failed\n"); - mutex_unlock(&cam->busy_lock); - return -EFAULT; - } - - mutex_unlock(&cam->busy_lock); - return cam->decompressed_frame.count; -} - -static long cpia_do_ioctl(struct file *file, unsigned int cmd, void *arg) -{ - struct video_device *dev = file->private_data; - struct cam_data *cam = video_get_drvdata(dev); - int retval = 0; - - if (!cam || !cam->ops) - return -ENODEV; - - /* make this _really_ smp-safe */ - if (mutex_lock_interruptible(&cam->busy_lock)) - return -EINTR; - - /* DBG("cpia_ioctl: %u\n", cmd); */ - - switch (cmd) { - /* query capabilities */ - case VIDIOCGCAP: - { - struct video_capability *b = arg; - - DBG("VIDIOCGCAP\n"); - strcpy(b->name, "CPiA Camera"); - b->type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE; - b->channels = 1; - b->audios = 0; - b->maxwidth = 352; /* VIDEOSIZE_CIF */ - b->maxheight = 288; - b->minwidth = 48; /* VIDEOSIZE_48_48 */ - b->minheight = 48; - break; - } - - /* get/set video source - we are a camera and nothing else */ - case VIDIOCGCHAN: - { - struct video_channel *v = arg; - - DBG("VIDIOCGCHAN\n"); - if (v->channel != 0) { - retval = -EINVAL; - break; - } - - v->channel = 0; - strcpy(v->name, "Camera"); - v->tuners = 0; - v->flags = 0; - v->type = VIDEO_TYPE_CAMERA; - v->norm = 0; - break; - } - - case VIDIOCSCHAN: - { - struct video_channel *v = arg; - - DBG("VIDIOCSCHAN\n"); - if (v->channel != 0) - retval = -EINVAL; - break; - } - - /* image properties */ - case VIDIOCGPICT: - { - struct video_picture *pic = arg; - DBG("VIDIOCGPICT\n"); - *pic = cam->vp; - break; - } - - case VIDIOCSPICT: - { - struct video_picture *vp = arg; - - DBG("VIDIOCSPICT\n"); - - /* check validity */ - DBG("palette: %d\n", vp->palette); - DBG("depth: %d\n", vp->depth); - if (!valid_mode(vp->palette, vp->depth)) { - retval = -EINVAL; - break; - } - - mutex_lock(&cam->param_lock); - /* brightness, colour, contrast need no check 0-65535 */ - cam->vp = *vp; - /* update cam->params.colourParams */ - cam->params.colourParams.brightness = vp->brightness*100/65535; - cam->params.colourParams.contrast = vp->contrast*100/65535; - cam->params.colourParams.saturation = vp->colour*100/65535; - /* contrast is in steps of 8, so round */ - cam->params.colourParams.contrast = - ((cam->params.colourParams.contrast + 3) / 8) * 8; - if (cam->params.version.firmwareVersion == 1 && - cam->params.version.firmwareRevision == 2 && - cam->params.colourParams.contrast > 80) { - /* 1-02 firmware limits contrast to 80 */ - cam->params.colourParams.contrast = 80; - } - - /* Adjust flicker control if necessary */ - if(cam->params.flickerControl.allowableOverExposure < 0) - cam->params.flickerControl.allowableOverExposure = - -find_over_exposure(cam->params.colourParams.brightness); - if(cam->params.flickerControl.flickerMode != 0) - cam->cmd_queue |= COMMAND_SETFLICKERCTRL; - - - /* queue command to update camera */ - cam->cmd_queue |= COMMAND_SETCOLOURPARAMS; - mutex_unlock(&cam->param_lock); - DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n", - vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour, - vp->contrast); - break; - } - - /* get/set capture window */ - case VIDIOCGWIN: - { - struct video_window *vw = arg; - DBG("VIDIOCGWIN\n"); - - *vw = cam->vw; - break; - } - - case VIDIOCSWIN: - { - /* copy_from_user, check validity, copy to internal structure */ - struct video_window *vw = arg; - DBG("VIDIOCSWIN\n"); - - if (vw->clipcount != 0) { /* clipping not supported */ - retval = -EINVAL; - break; - } - if (vw->clips != NULL) { /* clipping not supported */ - retval = -EINVAL; - break; - } - - /* we set the video window to something smaller or equal to what - * is requested by the user??? - */ - mutex_lock(&cam->param_lock); - if (vw->width != cam->vw.width || vw->height != cam->vw.height) { - int video_size = match_videosize(vw->width, vw->height); - - if (video_size < 0) { - retval = -EINVAL; - mutex_unlock(&cam->param_lock); - break; - } - cam->video_size = video_size; - - /* video size is changing, reset the subcapture area */ - memset(&cam->vc, 0, sizeof(cam->vc)); - - set_vw_size(cam); - DBG("%d / %d\n", cam->vw.width, cam->vw.height); - cam->cmd_queue |= COMMAND_SETFORMAT; - } - - mutex_unlock(&cam->param_lock); - - /* setformat ignored by camera during streaming, - * so stop/dispatch/start */ - if (cam->cmd_queue & COMMAND_SETFORMAT) { - DBG("\n"); - dispatch_commands(cam); - } - DBG("%d/%d:%d\n", cam->video_size, - cam->vw.width, cam->vw.height); - break; - } - - /* mmap interface */ - case VIDIOCGMBUF: - { - struct video_mbuf *vm = arg; - int i; - - DBG("VIDIOCGMBUF\n"); - memset(vm, 0, sizeof(*vm)); - vm->size = CPIA_MAX_FRAME_SIZE*FRAME_NUM; - vm->frames = FRAME_NUM; - for (i = 0; i < FRAME_NUM; i++) - vm->offsets[i] = CPIA_MAX_FRAME_SIZE * i; - break; - } - - case VIDIOCMCAPTURE: - { - struct video_mmap *vm = arg; - int video_size; - - DBG("VIDIOCMCAPTURE: %d / %d / %dx%d\n", vm->format, vm->frame, - vm->width, vm->height); - if (vm->frame<0||vm->frame>=FRAME_NUM) { - retval = -EINVAL; - break; - } - - /* set video format */ - cam->vp.palette = vm->format; - switch(vm->format) { - case VIDEO_PALETTE_GREY: - cam->vp.depth=8; - break; - case VIDEO_PALETTE_RGB555: - case VIDEO_PALETTE_RGB565: - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - case VIDEO_PALETTE_UYVY: - cam->vp.depth = 16; - break; - case VIDEO_PALETTE_RGB24: - cam->vp.depth = 24; - break; - case VIDEO_PALETTE_RGB32: - cam->vp.depth = 32; - break; - default: - retval = -EINVAL; - break; - } - if (retval) - break; - - /* set video size */ - video_size = match_videosize(vm->width, vm->height); - if (video_size < 0) { - retval = -EINVAL; - break; - } - if (video_size != cam->video_size) { - cam->video_size = video_size; - - /* video size is changing, reset the subcapture area */ - memset(&cam->vc, 0, sizeof(cam->vc)); - - set_vw_size(cam); - cam->cmd_queue |= COMMAND_SETFORMAT; - dispatch_commands(cam); - } - /* according to v4l-spec we must start streaming here */ - cam->mmap_kludge = 1; - retval = capture_frame(cam, vm); - - break; - } - - case VIDIOCSYNC: - { - int *frame = arg; - - //DBG("VIDIOCSYNC: %d\n", *frame); - - if (*frame<0 || *frame >= FRAME_NUM) { - retval = -EINVAL; - break; - } - - switch (cam->frame[*frame].state) { - case FRAME_UNUSED: - case FRAME_READY: - case FRAME_GRABBING: - DBG("sync to unused frame %d\n", *frame); - retval = -EINVAL; - break; - - case FRAME_DONE: - cam->frame[*frame].state = FRAME_UNUSED; - //DBG("VIDIOCSYNC: %d synced\n", *frame); - break; - } - if (retval == -EINTR) { - /* FIXME - xawtv does not handle this nice */ - retval = 0; - } - break; - } - - case VIDIOCGCAPTURE: - { - struct video_capture *vc = arg; - - DBG("VIDIOCGCAPTURE\n"); - - *vc = cam->vc; - - break; - } - - case VIDIOCSCAPTURE: - { - struct video_capture *vc = arg; - - DBG("VIDIOCSCAPTURE\n"); - - if (vc->decimation != 0) { /* How should this be used? */ - retval = -EINVAL; - break; - } - if (vc->flags != 0) { /* Even/odd grab not supported */ - retval = -EINVAL; - break; - } - - /* Clip to the resolution we can set for the ROI - (every 8 columns and 4 rows) */ - vc->x = vc->x & ~(__u32)7; - vc->y = vc->y & ~(__u32)3; - vc->width = vc->width & ~(__u32)7; - vc->height = vc->height & ~(__u32)3; - - if(vc->width == 0 || vc->height == 0 || - vc->x + vc->width > cam->vw.width || - vc->y + vc->height > cam->vw.height) { - retval = -EINVAL; - break; - } - - DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height); - - mutex_lock(&cam->param_lock); - - cam->vc.x = vc->x; - cam->vc.y = vc->y; - cam->vc.width = vc->width; - cam->vc.height = vc->height; - - set_vw_size(cam); - cam->cmd_queue |= COMMAND_SETFORMAT; - - mutex_unlock(&cam->param_lock); - - /* setformat ignored by camera during streaming, - * so stop/dispatch/start */ - dispatch_commands(cam); - break; - } - - case VIDIOCGUNIT: - { - struct video_unit *vu = arg; - - DBG("VIDIOCGUNIT\n"); - - vu->video = cam->vdev.minor; - vu->vbi = VIDEO_NO_UNIT; - vu->radio = VIDEO_NO_UNIT; - vu->audio = VIDEO_NO_UNIT; - vu->teletext = VIDEO_NO_UNIT; - - break; - } - - - /* pointless to implement overlay with this camera */ - case VIDIOCCAPTURE: - case VIDIOCGFBUF: - case VIDIOCSFBUF: - case VIDIOCKEY: - /* tuner interface - we have none */ - case VIDIOCGTUNER: - case VIDIOCSTUNER: - case VIDIOCGFREQ: - case VIDIOCSFREQ: - /* audio interface - we have none */ - case VIDIOCGAUDIO: - case VIDIOCSAUDIO: - retval = -EINVAL; - break; - default: - retval = -ENOIOCTLCMD; - break; - } - - mutex_unlock(&cam->busy_lock); - return retval; -} - -static long cpia_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) -{ - return video_usercopy(file, cmd, arg, cpia_do_ioctl); -} - - -/* FIXME */ -static int cpia_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct video_device *dev = file->private_data; - unsigned long start = vma->vm_start; - unsigned long size = vma->vm_end - vma->vm_start; - unsigned long page, pos; - struct cam_data *cam = video_get_drvdata(dev); - int retval; - - if (!cam || !cam->ops) - return -ENODEV; - - DBG("cpia_mmap: %ld\n", size); - - if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE) - return -EINVAL; - - /* make this _really_ smp-safe */ - if (mutex_lock_interruptible(&cam->busy_lock)) - return -EINTR; - - if (!cam->frame_buf) { /* we do lazy allocation */ - if ((retval = allocate_frame_buf(cam))) { - mutex_unlock(&cam->busy_lock); - return retval; - } - } - - pos = (unsigned long)(cam->frame_buf); - while (size > 0) { - page = vmalloc_to_pfn((void *)pos); - if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { - mutex_unlock(&cam->busy_lock); - return -EAGAIN; - } - start += PAGE_SIZE; - pos += PAGE_SIZE; - if (size > PAGE_SIZE) - size -= PAGE_SIZE; - else - size = 0; - } - - DBG("cpia_mmap: %ld\n", size); - mutex_unlock(&cam->busy_lock); - - return 0; -} - -static const struct v4l2_file_operations cpia_fops = { - .owner = THIS_MODULE, - .open = cpia_open, - .release = cpia_close, - .read = cpia_read, - .mmap = cpia_mmap, - .ioctl = cpia_ioctl, -}; - -static struct video_device cpia_template = { - .name = "CPiA Camera", - .fops = &cpia_fops, - .release = video_device_release_empty, -}; - -/* initialise cam_data structure */ -static void reset_camera_struct(struct cam_data *cam) -{ - /* The following parameter values are the defaults from - * "Software Developer's Guide for CPiA Cameras". Any changes - * to the defaults are noted in comments. */ - cam->params.colourParams.brightness = 50; - cam->params.colourParams.contrast = 48; - cam->params.colourParams.saturation = 50; - cam->params.exposure.gainMode = 4; - cam->params.exposure.expMode = 2; /* AEC */ - cam->params.exposure.compMode = 1; - cam->params.exposure.centreWeight = 1; - cam->params.exposure.gain = 0; - cam->params.exposure.fineExp = 0; - cam->params.exposure.coarseExpLo = 185; - cam->params.exposure.coarseExpHi = 0; - cam->params.exposure.redComp = COMP_RED; - cam->params.exposure.green1Comp = COMP_GREEN1; - cam->params.exposure.green2Comp = COMP_GREEN2; - cam->params.exposure.blueComp = COMP_BLUE; - cam->params.colourBalance.balanceMode = 2; /* ACB */ - cam->params.colourBalance.redGain = 32; - cam->params.colourBalance.greenGain = 6; - cam->params.colourBalance.blueGain = 92; - cam->params.apcor.gain1 = 0x18; - cam->params.apcor.gain2 = 0x16; - cam->params.apcor.gain4 = 0x24; - cam->params.apcor.gain8 = 0x34; - cam->params.flickerControl.flickerMode = 0; - cam->params.flickerControl.disabled = 1; - - cam->params.flickerControl.coarseJump = - flicker_jumps[cam->mainsFreq] - [cam->params.sensorFps.baserate] - [cam->params.sensorFps.divisor]; - cam->params.flickerControl.allowableOverExposure = - -find_over_exposure(cam->params.colourParams.brightness); - cam->params.vlOffset.gain1 = 20; - cam->params.vlOffset.gain2 = 24; - cam->params.vlOffset.gain4 = 26; - cam->params.vlOffset.gain8 = 26; - cam->params.compressionParams.hysteresis = 3; - cam->params.compressionParams.threshMax = 11; - cam->params.compressionParams.smallStep = 1; - cam->params.compressionParams.largeStep = 3; - cam->params.compressionParams.decimationHysteresis = 2; - cam->params.compressionParams.frDiffStepThresh = 5; - cam->params.compressionParams.qDiffStepThresh = 3; - cam->params.compressionParams.decimationThreshMod = 2; - /* End of default values from Software Developer's Guide */ - - cam->transfer_rate = 0; - cam->exposure_status = EXPOSURE_NORMAL; - - /* Set Sensor FPS to 15fps. This seems better than 30fps - * for indoor lighting. */ - cam->params.sensorFps.divisor = 1; - cam->params.sensorFps.baserate = 1; - - cam->params.yuvThreshold.yThreshold = 6; /* From windows driver */ - cam->params.yuvThreshold.uvThreshold = 6; /* From windows driver */ - - cam->params.format.subSample = SUBSAMPLE_422; - cam->params.format.yuvOrder = YUVORDER_YUYV; - - cam->params.compression.mode = CPIA_COMPRESSION_AUTO; - cam->params.compressionTarget.frTargeting = - CPIA_COMPRESSION_TARGET_QUALITY; - cam->params.compressionTarget.targetFR = 15; /* From windows driver */ - cam->params.compressionTarget.targetQ = 5; /* From windows driver */ - - cam->params.qx3.qx3_detected = 0; - cam->params.qx3.toplight = 0; - cam->params.qx3.bottomlight = 0; - cam->params.qx3.button = 0; - cam->params.qx3.cradled = 0; - - cam->video_size = VIDEOSIZE_CIF; - - cam->vp.colour = 32768; /* 50% */ - cam->vp.hue = 32768; /* 50% */ - cam->vp.brightness = 32768; /* 50% */ - cam->vp.contrast = 32768; /* 50% */ - cam->vp.whiteness = 0; /* not used -> grayscale only */ - cam->vp.depth = 24; /* to be set by user */ - cam->vp.palette = VIDEO_PALETTE_RGB24; /* to be set by user */ - - cam->vc.x = 0; - cam->vc.y = 0; - cam->vc.width = 0; - cam->vc.height = 0; - - cam->vw.x = 0; - cam->vw.y = 0; - set_vw_size(cam); - cam->vw.chromakey = 0; - cam->vw.flags = 0; - cam->vw.clipcount = 0; - cam->vw.clips = NULL; - - cam->cmd_queue = COMMAND_NONE; - cam->first_frame = 1; - - return; -} - -/* initialize cam_data structure */ -static void init_camera_struct(struct cam_data *cam, - struct cpia_camera_ops *ops ) -{ - int i; - - /* Default everything to 0 */ - memset(cam, 0, sizeof(struct cam_data)); - - cam->ops = ops; - mutex_init(&cam->param_lock); - mutex_init(&cam->busy_lock); - - reset_camera_struct(cam); - - cam->proc_entry = NULL; - - memcpy(&cam->vdev, &cpia_template, sizeof(cpia_template)); - video_set_drvdata(&cam->vdev, cam); - - cam->curframe = 0; - for (i = 0; i < FRAME_NUM; i++) { - cam->frame[i].width = 0; - cam->frame[i].height = 0; - cam->frame[i].state = FRAME_UNUSED; - cam->frame[i].data = NULL; - } - cam->decompressed_frame.width = 0; - cam->decompressed_frame.height = 0; - cam->decompressed_frame.state = FRAME_UNUSED; - cam->decompressed_frame.data = NULL; -} - -struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel) -{ - struct cam_data *camera; - - if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL) - return NULL; - - - init_camera_struct( camera, ops ); - camera->lowlevel_data = lowlevel; - - /* register v4l device */ - if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) < 0) { - kfree(camera); - printk(KERN_DEBUG "video_register_device failed\n"); - return NULL; - } - - /* get version information from camera: open/reset/close */ - - /* open cpia */ - if (camera->ops->open(camera->lowlevel_data)) - return camera; - - /* reset the camera */ - if (reset_camera(camera) != 0) { - camera->ops->close(camera->lowlevel_data); - return camera; - } - - /* close cpia */ - camera->ops->close(camera->lowlevel_data); - -#ifdef CONFIG_PROC_FS - create_proc_cpia_cam(camera); -#endif - - printk(KERN_INFO " CPiA Version: %d.%02d (%d.%d)\n", - camera->params.version.firmwareVersion, - camera->params.version.firmwareRevision, - camera->params.version.vcVersion, - camera->params.version.vcRevision); - printk(KERN_INFO " CPiA PnP-ID: %04x:%04x:%04x\n", - camera->params.pnpID.vendor, - camera->params.pnpID.product, - camera->params.pnpID.deviceRevision); - printk(KERN_INFO " VP-Version: %d.%d %04x\n", - camera->params.vpVersion.vpVersion, - camera->params.vpVersion.vpRevision, - camera->params.vpVersion.cameraHeadID); - - return camera; -} - -void cpia_unregister_camera(struct cam_data *cam) -{ - DBG("unregistering video\n"); - video_unregister_device(&cam->vdev); - if (cam->open_count) { - put_cam(cam->ops); - DBG("camera open -- setting ops to NULL\n"); - cam->ops = NULL; - } - -#ifdef CONFIG_PROC_FS - DBG("destroying /proc/cpia/%s\n", video_device_node_name(&cam->vdev)); - destroy_proc_cpia_cam(cam); -#endif - if (!cam->open_count) { - DBG("freeing camera\n"); - kfree(cam); - } -} - -static int __init cpia_init(void) -{ - printk(KERN_INFO "%s v%d.%d.%d\n", ABOUT, - CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); - - printk(KERN_WARNING "Since in-kernel colorspace conversion is not " - "allowed, it is disabled by default now. Users should fix the " - "applications in case they don't work without conversion " - "reenabled by setting the 'colorspace_conv' module " - "parameter to 1\n"); - -#ifdef CONFIG_PROC_FS - proc_cpia_create(); -#endif - - return 0; -} - -static void __exit cpia_exit(void) -{ -#ifdef CONFIG_PROC_FS - proc_cpia_destroy(); -#endif -} - -module_init(cpia_init); -module_exit(cpia_exit); - -/* Exported symbols for modules. */ - -EXPORT_SYMBOL(cpia_register_camera); -EXPORT_SYMBOL(cpia_unregister_camera); diff --git a/drivers/staging/cpia/cpia.h b/drivers/staging/cpia/cpia.h deleted file mode 100644 index 8f0cfee4b8a1..000000000000 --- a/drivers/staging/cpia/cpia.h +++ /dev/null @@ -1,432 +0,0 @@ -#ifndef cpia_h -#define cpia_h - -/* - * CPiA Parallel Port Video4Linux driver - * - * Supports CPiA based parallel port Video Camera's. - * - * (C) Copyright 1999 Bas Huisman, - * Peter Pregler, - * Scott J. Bertin, - * VLSI Vision Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define CPIA_MAJ_VER 1 -#define CPIA_MIN_VER 2 -#define CPIA_PATCH_VER 3 - -#define CPIA_PP_MAJ_VER CPIA_MAJ_VER -#define CPIA_PP_MIN_VER CPIA_MIN_VER -#define CPIA_PP_PATCH_VER CPIA_PATCH_VER - -#define CPIA_USB_MAJ_VER CPIA_MAJ_VER -#define CPIA_USB_MIN_VER CPIA_MIN_VER -#define CPIA_USB_PATCH_VER CPIA_PATCH_VER - -#define CPIA_MAX_FRAME_SIZE_UNALIGNED (352 * 288 * 4) /* CIF at RGB32 */ -#define CPIA_MAX_FRAME_SIZE ((CPIA_MAX_FRAME_SIZE_UNALIGNED + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) /* align above to PAGE_SIZE */ - -#ifdef __KERNEL__ - -#include <asm/uaccess.h> -#include <linux/videodev.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> -#include <linux/list.h> -#include <linux/mutex.h> - -struct cpia_camera_ops -{ - /* open sets privdata to point to structure for this camera. - * Returns negative value on error, otherwise 0. - */ - int (*open)(void *privdata); - - /* Registers callback function cb to be called with cbdata - * when an image is ready. If cb is NULL, only single image grabs - * should be used. cb should immediately call streamRead to read - * the data or data may be lost. Returns negative value on error, - * otherwise 0. - */ - int (*registerCallback)(void *privdata, void (*cb)(void *cbdata), - void *cbdata); - - /* transferCmd sends commands to the camera. command MUST point to - * an 8 byte buffer in kernel space. data can be NULL if no extra - * data is needed. The size of the data is given by the last 2 - * bytes of command. data must also point to memory in kernel space. - * Returns negative value on error, otherwise 0. - */ - int (*transferCmd)(void *privdata, u8 *command, u8 *data); - - /* streamStart initiates stream capture mode. - * Returns negative value on error, otherwise 0. - */ - int (*streamStart)(void *privdata); - - /* streamStop terminates stream capture mode. - * Returns negative value on error, otherwise 0. - */ - int (*streamStop)(void *privdata); - - /* streamRead reads a frame from the camera. buffer points to a - * buffer large enough to hold a complete frame in kernel space. - * noblock indicates if this should be a non blocking read. - * Returns the number of bytes read, or negative value on error. - */ - int (*streamRead)(void *privdata, u8 *buffer, int noblock); - - /* close disables the device until open() is called again. - * Returns negative value on error, otherwise 0. - */ - int (*close)(void *privdata); - - /* If wait_for_stream_ready is non-zero, wait until the streamState - * is STREAM_READY before calling streamRead. - */ - int wait_for_stream_ready; - - /* - * Used to maintain lowlevel module usage counts - */ - struct module *owner; -}; - -struct cpia_frame { - u8 *data; - int count; - int width; - int height; - volatile int state; -}; - -struct cam_params { - struct { - u8 firmwareVersion; - u8 firmwareRevision; - u8 vcVersion; - u8 vcRevision; - } version; - struct { - u16 vendor; - u16 product; - u16 deviceRevision; - } pnpID; - struct { - u8 vpVersion; - u8 vpRevision; - u16 cameraHeadID; - } vpVersion; - struct { - u8 systemState; - u8 grabState; - u8 streamState; - u8 fatalError; - u8 cmdError; - u8 debugFlags; - u8 vpStatus; - u8 errorCode; - } status; - struct { - u8 brightness; - u8 contrast; - u8 saturation; - } colourParams; - struct { - u8 gainMode; - u8 expMode; - u8 compMode; - u8 centreWeight; - u8 gain; - u8 fineExp; - u8 coarseExpLo; - u8 coarseExpHi; - u8 redComp; - u8 green1Comp; - u8 green2Comp; - u8 blueComp; - } exposure; - struct { - u8 balanceMode; - u8 redGain; - u8 greenGain; - u8 blueGain; - } colourBalance; - struct { - u8 divisor; - u8 baserate; - } sensorFps; - struct { - u8 gain1; - u8 gain2; - u8 gain4; - u8 gain8; - } apcor; - struct { - u8 disabled; - u8 flickerMode; - u8 coarseJump; - int allowableOverExposure; - } flickerControl; - struct { - u8 gain1; - u8 gain2; - u8 gain4; - u8 gain8; - } vlOffset; - struct { - u8 mode; - u8 decimation; - } compression; - struct { - u8 frTargeting; - u8 targetFR; - u8 targetQ; - } compressionTarget; - struct { - u8 yThreshold; - u8 uvThreshold; - } yuvThreshold; - struct { - u8 hysteresis; - u8 threshMax; - u8 smallStep; - u8 largeStep; - u8 decimationHysteresis; - u8 frDiffStepThresh; - u8 qDiffStepThresh; - u8 decimationThreshMod; - } compressionParams; - struct { - u8 videoSize; /* CIF/QCIF */ - u8 subSample; - u8 yuvOrder; - } format; - struct { /* Intel QX3 specific data */ - u8 qx3_detected; /* a QX3 is present */ - u8 toplight; /* top light lit , R/W */ - u8 bottomlight; /* bottom light lit, R/W */ - u8 button; /* snapshot button pressed (R/O) */ - u8 cradled; /* microscope is in cradle (R/O) */ - } qx3; - struct { - u8 colStart; /* skip first 8*colStart pixels */ - u8 colEnd; /* finish at 8*colEnd pixels */ - u8 rowStart; /* skip first 4*rowStart lines */ - u8 rowEnd; /* finish at 4*rowEnd lines */ - } roi; - u8 ecpTiming; - u8 streamStartLine; -}; - -enum v4l_camstates { - CPIA_V4L_IDLE = 0, - CPIA_V4L_ERROR, - CPIA_V4L_COMMAND, - CPIA_V4L_GRABBING, - CPIA_V4L_STREAMING, - CPIA_V4L_STREAMING_PAUSED, -}; - -#define FRAME_NUM 2 /* double buffering for now */ - -struct cam_data { - struct list_head cam_data_list; - - struct mutex busy_lock; /* guard against SMP multithreading */ - struct cpia_camera_ops *ops; /* lowlevel driver operations */ - void *lowlevel_data; /* private data for lowlevel driver */ - u8 *raw_image; /* buffer for raw image data */ - struct cpia_frame decompressed_frame; - /* buffer to hold decompressed frame */ - int image_size; /* sizeof last decompressed image */ - int open_count; /* # of process that have camera open */ - - /* camera status */ - int fps; /* actual fps reported by the camera */ - int transfer_rate; /* transfer rate from camera in kB/s */ - u8 mainsFreq; /* for flicker control */ - - /* proc interface */ - struct mutex param_lock; /* params lock for this camera */ - struct cam_params params; /* camera settings */ - struct proc_dir_entry *proc_entry; /* /proc/cpia/videoX */ - - /* v4l */ - int video_size; /* VIDEO_SIZE_ */ - volatile enum v4l_camstates camstate; /* v4l layer status */ - struct video_device vdev; /* v4l videodev */ - struct video_picture vp; /* v4l camera settings */ - struct video_window vw; /* v4l capture area */ - struct video_capture vc; /* v4l subcapture area */ - - /* mmap interface */ - int curframe; /* the current frame to grab into */ - u8 *frame_buf; /* frame buffer data */ - struct cpia_frame frame[FRAME_NUM]; - /* FRAME_NUM-buffering, so we need a array */ - - int first_frame; - int mmap_kludge; /* 'wrong' byte order for mmap */ - volatile u32 cmd_queue; /* queued commands */ - int exposure_status; /* EXPOSURE_* */ - int exposure_count; /* number of frames at this status */ -}; - -/* cpia_register_camera is called by low level driver for each camera. - * A unique camera number is returned, or a negative value on error */ -struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel); - -/* cpia_unregister_camera is called by low level driver when a camera - * is removed. This must not fail. */ -void cpia_unregister_camera(struct cam_data *cam); - -/* raw CIF + 64 byte header + (2 bytes line_length + EOL) per line + 4*EOI + - * one byte 16bit DMA alignment - */ -#define CPIA_MAX_IMAGE_SIZE ((352*288*2)+64+(288*3)+5) - -/* constant value's */ -#define MAGIC_0 0x19 -#define MAGIC_1 0x68 -#define DATA_IN 0xC0 -#define DATA_OUT 0x40 -#define VIDEOSIZE_QCIF 0 /* 176x144 */ -#define VIDEOSIZE_CIF 1 /* 352x288 */ -#define VIDEOSIZE_SIF 2 /* 320x240 */ -#define VIDEOSIZE_QSIF 3 /* 160x120 */ -#define VIDEOSIZE_48_48 4 /* where no one has gone before, iconsize! */ -#define VIDEOSIZE_64_48 5 -#define VIDEOSIZE_128_96 6 -#define VIDEOSIZE_160_120 VIDEOSIZE_QSIF -#define VIDEOSIZE_176_144 VIDEOSIZE_QCIF -#define VIDEOSIZE_192_144 7 -#define VIDEOSIZE_224_168 8 -#define VIDEOSIZE_256_192 9 -#define VIDEOSIZE_288_216 10 -#define VIDEOSIZE_320_240 VIDEOSIZE_SIF -#define VIDEOSIZE_352_288 VIDEOSIZE_CIF -#define VIDEOSIZE_88_72 11 /* quarter CIF */ -#define SUBSAMPLE_420 0 -#define SUBSAMPLE_422 1 -#define YUVORDER_YUYV 0 -#define YUVORDER_UYVY 1 -#define NOT_COMPRESSED 0 -#define COMPRESSED 1 -#define NO_DECIMATION 0 -#define DECIMATION_ENAB 1 -#define EOI 0xff /* End Of Image */ -#define EOL 0xfd /* End Of Line */ -#define FRAME_HEADER_SIZE 64 - -/* Image grab modes */ -#define CPIA_GRAB_SINGLE 0 -#define CPIA_GRAB_CONTINUOUS 1 - -/* Compression parameters */ -#define CPIA_COMPRESSION_NONE 0 -#define CPIA_COMPRESSION_AUTO 1 -#define CPIA_COMPRESSION_MANUAL 2 -#define CPIA_COMPRESSION_TARGET_QUALITY 0 -#define CPIA_COMPRESSION_TARGET_FRAMERATE 1 - -/* Return offsets for GetCameraState */ -#define SYSTEMSTATE 0 -#define GRABSTATE 1 -#define STREAMSTATE 2 -#define FATALERROR 3 -#define CMDERROR 4 -#define DEBUGFLAGS 5 -#define VPSTATUS 6 -#define ERRORCODE 7 - -/* SystemState */ -#define UNINITIALISED_STATE 0 -#define PASS_THROUGH_STATE 1 -#define LO_POWER_STATE 2 -#define HI_POWER_STATE 3 -#define WARM_BOOT_STATE 4 - -/* GrabState */ -#define GRAB_IDLE 0 -#define GRAB_ACTIVE 1 -#define GRAB_DONE 2 - -/* StreamState */ -#define STREAM_NOT_READY 0 -#define STREAM_READY 1 -#define STREAM_OPEN 2 -#define STREAM_PAUSED 3 -#define STREAM_FINISHED 4 - -/* Fatal Error, CmdError, and DebugFlags */ -#define CPIA_FLAG 1 -#define SYSTEM_FLAG 2 -#define INT_CTRL_FLAG 4 -#define PROCESS_FLAG 8 -#define COM_FLAG 16 -#define VP_CTRL_FLAG 32 -#define CAPTURE_FLAG 64 -#define DEBUG_FLAG 128 - -/* VPStatus */ -#define VP_STATE_OK 0x00 - -#define VP_STATE_FAILED_VIDEOINIT 0x01 -#define VP_STATE_FAILED_AECACBINIT 0x02 -#define VP_STATE_AEC_MAX 0x04 -#define VP_STATE_ACB_BMAX 0x08 - -#define VP_STATE_ACB_RMIN 0x10 -#define VP_STATE_ACB_GMIN 0x20 -#define VP_STATE_ACB_RMAX 0x40 -#define VP_STATE_ACB_GMAX 0x80 - -/* default (minimum) compensation values */ -#define COMP_RED 220 -#define COMP_GREEN1 214 -#define COMP_GREEN2 COMP_GREEN1 -#define COMP_BLUE 230 - -/* exposure status */ -#define EXPOSURE_VERY_LIGHT 0 -#define EXPOSURE_LIGHT 1 -#define EXPOSURE_NORMAL 2 -#define EXPOSURE_DARK 3 -#define EXPOSURE_VERY_DARK 4 - -/* ErrorCode */ -#define ERROR_FLICKER_BELOW_MIN_EXP 0x01 /*flicker exposure got below minimum exposure */ -#define ALOG(fmt,args...) printk(fmt, ##args) -#define LOG(fmt,args...) ALOG(KERN_INFO __FILE__ ":%s(%d):" fmt, __func__ , __LINE__ , ##args) - -#ifdef _CPIA_DEBUG_ -#define ADBG(fmt,args...) printk(fmt, jiffies, ##args) -#define DBG(fmt,args...) ADBG(KERN_DEBUG __FILE__" (%ld):%s(%d):" fmt, __func__, __LINE__ , ##args) -#else -#define DBG(fmn,args...) do {} while(0) -#endif - -#define DEB_BYTE(p)\ - DBG("%1d %1d %1d %1d %1d %1d %1d %1d \n",\ - (p)&0x80?1:0, (p)&0x40?1:0, (p)&0x20?1:0, (p)&0x10?1:0,\ - (p)&0x08?1:0, (p)&0x04?1:0, (p)&0x02?1:0, (p)&0x01?1:0); - -#endif /* __KERNEL__ */ - -#endif /* cpia_h */ diff --git a/drivers/staging/cpia/cpia_pp.c b/drivers/staging/cpia/cpia_pp.c deleted file mode 100644 index f5604c16a092..000000000000 --- a/drivers/staging/cpia/cpia_pp.c +++ /dev/null @@ -1,869 +0,0 @@ -/* - * cpia_pp CPiA Parallel Port driver - * - * Supports CPiA based parallel port Video Camera's. - * - * (C) Copyright 1999 Bas Huisman <bhuism@cs.utwente.nl> - * (C) Copyright 1999-2000 Scott J. Bertin <sbertin@securenym.net>, - * (C) Copyright 1999-2000 Peter Pregler <Peter_Pregler@email.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */ -/* #define _CPIA_DEBUG_ 1 */ - - -#include <linux/module.h> -#include <linux/init.h> - -#include <linux/kernel.h> -#include <linux/parport.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/workqueue.h> -#include <linux/sched.h> -#include <linux/slab.h> - -#include <linux/kmod.h> - -/* #define _CPIA_DEBUG_ define for verbose debug output */ -#include "cpia.h" - -static int cpia_pp_open(void *privdata); -static int cpia_pp_registerCallback(void *privdata, void (*cb) (void *cbdata), - void *cbdata); -static int cpia_pp_transferCmd(void *privdata, u8 *command, u8 *data); -static int cpia_pp_streamStart(void *privdata); -static int cpia_pp_streamStop(void *privdata); -static int cpia_pp_streamRead(void *privdata, u8 *buffer, int noblock); -static int cpia_pp_close(void *privdata); - - -#define ABOUT "Parallel port driver for Vision CPiA based cameras" - -#define PACKET_LENGTH 8 - -/* Magic numbers for defining port-device mappings */ -#define PPCPIA_PARPORT_UNSPEC -4 -#define PPCPIA_PARPORT_AUTO -3 -#define PPCPIA_PARPORT_OFF -2 -#define PPCPIA_PARPORT_NONE -1 - -static int parport_nr[PARPORT_MAX] = {[0 ... PARPORT_MAX - 1] = PPCPIA_PARPORT_UNSPEC}; -static char *parport[PARPORT_MAX] = {NULL,}; - -MODULE_AUTHOR("B. Huisman <bhuism@cs.utwente.nl> & Peter Pregler <Peter_Pregler@email.com>"); -MODULE_DESCRIPTION("Parallel port driver for Vision CPiA based cameras"); -MODULE_LICENSE("GPL"); - -module_param_array(parport, charp, NULL, 0); -MODULE_PARM_DESC(parport, "'auto' or a list of parallel port numbers. Just like lp."); - -struct pp_cam_entry { - struct pardevice *pdev; - struct parport *port; - struct work_struct cb_task; - void (*cb_func)(void *cbdata); - void *cb_data; - int open_count; - wait_queue_head_t wq_stream; - /* image state flags */ - int image_ready; /* we got an interrupt */ - int image_complete; /* we have seen 4 EOI */ - - int streaming; /* we are in streaming mode */ - int stream_irq; -}; - -static struct cpia_camera_ops cpia_pp_ops = -{ - cpia_pp_open, - cpia_pp_registerCallback, - cpia_pp_transferCmd, - cpia_pp_streamStart, - cpia_pp_streamStop, - cpia_pp_streamRead, - cpia_pp_close, - 1, - THIS_MODULE -}; - -static LIST_HEAD(cam_list); -static spinlock_t cam_list_lock_pp; - -/* FIXME */ -static void cpia_parport_enable_irq( struct parport *port ) { - parport_enable_irq(port); - mdelay(10); - return; -} - -static void cpia_parport_disable_irq( struct parport *port ) { - parport_disable_irq(port); - mdelay(10); - return; -} - -/* Special CPiA PPC modes: These are invoked by using the 1284 Extensibility - * Link Flag during negotiation */ -#define UPLOAD_FLAG 0x08 -#define NIBBLE_TRANSFER 0x01 -#define ECP_TRANSFER 0x03 - -#define PARPORT_CHUNK_SIZE PAGE_SIZE - - -static void cpia_pp_run_callback(struct work_struct *work) -{ - void (*cb_func)(void *cbdata); - void *cb_data; - struct pp_cam_entry *cam; - - cam = container_of(work, struct pp_cam_entry, cb_task); - cb_func = cam->cb_func; - cb_data = cam->cb_data; - - cb_func(cb_data); -} - -/**************************************************************************** - * - * CPiA-specific low-level parport functions for nibble uploads - * - ***************************************************************************/ -/* CPiA nonstandard "Nibble" mode (no nDataAvail signal after each byte). */ -/* The standard kernel parport_ieee1284_read_nibble() fails with the CPiA... */ - -static size_t cpia_read_nibble (struct parport *port, - void *buffer, size_t len, - int flags) -{ - /* adapted verbatim, with one change, from - parport_ieee1284_read_nibble() in drivers/parport/ieee1284-ops.c */ - - unsigned char *buf = buffer; - int i; - unsigned char byte = 0; - - len *= 2; /* in nibbles */ - for (i=0; i < len; i++) { - unsigned char nibble; - - /* The CPiA firmware suppresses the use of nDataAvail (nFault LO) - * after every second nibble to signal that more - * data is available. (the total number of Bytes that - * should be sent is known; if too few are received, an error - * will be recorded after a timeout). - * This is incompatible with parport_ieee1284_read_nibble(), - * which expects to find nFault LO after every second nibble. - */ - - /* Solution: modify cpia_read_nibble to only check for - * nDataAvail before the first nibble is sent. - */ - - /* Does the error line indicate end of data? */ - if (((i /*& 1*/) == 0) && - (parport_read_status(port) & PARPORT_STATUS_ERROR)) { - DBG("%s: No more nibble data (%d bytes)\n", - port->name, i/2); - goto end_of_data; - } - - /* Event 7: Set nAutoFd low. */ - parport_frob_control (port, - PARPORT_CONTROL_AUTOFD, - PARPORT_CONTROL_AUTOFD); - - /* Event 9: nAck goes low. */ - port->ieee1284.phase = IEEE1284_PH_REV_DATA; - if (parport_wait_peripheral (port, - PARPORT_STATUS_ACK, 0)) { - /* Timeout -- no more data? */ - DBG("%s: Nibble timeout at event 9 (%d bytes)\n", - port->name, i/2); - parport_frob_control (port, PARPORT_CONTROL_AUTOFD, 0); - break; - } - - - /* Read a nibble. */ - nibble = parport_read_status (port) >> 3; - nibble &= ~8; - if ((nibble & 0x10) == 0) - nibble |= 8; - nibble &= 0xf; - - /* Event 10: Set nAutoFd high. */ - parport_frob_control (port, PARPORT_CONTROL_AUTOFD, 0); - - /* Event 11: nAck goes high. */ - if (parport_wait_peripheral (port, - PARPORT_STATUS_ACK, - PARPORT_STATUS_ACK)) { - /* Timeout -- no more data? */ - DBG("%s: Nibble timeout at event 11\n", - port->name); - break; - } - - if (i & 1) { - /* Second nibble */ - byte |= nibble << 4; - *buf++ = byte; - } else - byte = nibble; - } - - if (i == len) { - /* Read the last nibble without checking data avail. */ - if (parport_read_status (port) & PARPORT_STATUS_ERROR) { - end_of_data: - /* Go to reverse idle phase. */ - parport_frob_control (port, - PARPORT_CONTROL_AUTOFD, - PARPORT_CONTROL_AUTOFD); - port->physport->ieee1284.phase = IEEE1284_PH_REV_IDLE; - } - else - port->physport->ieee1284.phase = IEEE1284_PH_HBUSY_DAVAIL; - } - - return i/2; -} - -/* CPiA nonstandard "Nibble Stream" mode (2 nibbles per cycle, instead of 1) - * (See CPiA Data sheet p. 31) - * - * "Nibble Stream" mode used by CPiA for uploads to non-ECP ports is a - * nonstandard variant of nibble mode which allows the same (mediocre) - * data flow of 8 bits per cycle as software-enabled ECP by TRISTATE-capable - * parallel ports, but works also for non-TRISTATE-capable ports. - * (Standard nibble mode only send 4 bits per cycle) - * - */ - -static size_t cpia_read_nibble_stream(struct parport *port, - void *buffer, size_t len, - int flags) -{ - int i; - unsigned char *buf = buffer; - int endseen = 0; - - for (i=0; i < len; i++) { - unsigned char nibble[2], byte = 0; - int j; - - /* Image Data is complete when 4 consecutive EOI bytes (0xff) are seen */ - if (endseen > 3 ) - break; - - /* Event 7: Set nAutoFd low. */ - parport_frob_control (port, - PARPORT_CONTROL_AUTOFD, - PARPORT_CONTROL_AUTOFD); - - /* Event 9: nAck goes low. */ - port->ieee1284.phase = IEEE1284_PH_REV_DATA; - if (parport_wait_peripheral (port, - PARPORT_STATUS_ACK, 0)) { - /* Timeout -- no more data? */ - DBG("%s: Nibble timeout at event 9 (%d bytes)\n", - port->name, i/2); - parport_frob_control (port, PARPORT_CONTROL_AUTOFD, 0); - break; - } - - /* Read lower nibble */ - nibble[0] = parport_read_status (port) >>3; - - /* Event 10: Set nAutoFd high. */ - parport_frob_control (port, PARPORT_CONTROL_AUTOFD, 0); - - /* Event 11: nAck goes high. */ - if (parport_wait_peripheral (port, - PARPORT_STATUS_ACK, - PARPORT_STATUS_ACK)) { - /* Timeout -- no more data? */ - DBG("%s: Nibble timeout at event 11\n", - port->name); - break; - } - - /* Read upper nibble */ - nibble[1] = parport_read_status (port) >>3; - - /* reassemble the byte */ - for (j = 0; j < 2 ; j++ ) { - nibble[j] &= ~8; - if ((nibble[j] & 0x10) == 0) - nibble[j] |= 8; - nibble[j] &= 0xf; - } - byte = (nibble[0] |(nibble[1] << 4)); - *buf++ = byte; - - if(byte == EOI) - endseen++; - else - endseen = 0; - } - return i; -} - -/**************************************************************************** - * - * EndTransferMode - * - ***************************************************************************/ -static void EndTransferMode(struct pp_cam_entry *cam) -{ - parport_negotiate(cam->port, IEEE1284_MODE_COMPAT); -} - -/**************************************************************************** - * - * ForwardSetup - * - ***************************************************************************/ -static int ForwardSetup(struct pp_cam_entry *cam) -{ - int retry; - - /* The CPiA uses ECP protocol for Downloads from the Host to the camera. - * This will be software-emulated if ECP hardware is not present - */ - - /* the usual camera maximum response time is 10ms, but after receiving - * some commands, it needs up to 40ms. (Data Sheet p. 32)*/ - - for(retry = 0; retry < 4; ++retry) { - if(!parport_negotiate(cam->port, IEEE1284_MODE_ECP)) { - break; - } - mdelay(10); - } - if(retry == 4) { - DBG("Unable to negotiate IEEE1284 ECP Download mode\n"); - return -1; - } - return 0; -} -/**************************************************************************** - * - * ReverseSetup - * - ***************************************************************************/ -static int ReverseSetup(struct pp_cam_entry *cam, int extensibility) -{ - int retry; - int upload_mode, mode = IEEE1284_MODE_ECP; - int transfer_mode = ECP_TRANSFER; - - if (!(cam->port->modes & PARPORT_MODE_ECP) && - !(cam->port->modes & PARPORT_MODE_TRISTATE)) { - mode = IEEE1284_MODE_NIBBLE; - transfer_mode = NIBBLE_TRANSFER; - } - - upload_mode = mode; - if(extensibility) mode = UPLOAD_FLAG|transfer_mode|IEEE1284_EXT_LINK; - - /* the usual camera maximum response time is 10ms, but after - * receiving some commands, it needs up to 40ms. */ - - for(retry = 0; retry < 4; ++retry) { - if(!parport_negotiate(cam->port, mode)) { - break; - } - mdelay(10); - } - if(retry == 4) { - if(extensibility) - DBG("Unable to negotiate upload extensibility mode\n"); - else - DBG("Unable to negotiate upload mode\n"); - return -1; - } - if(extensibility) cam->port->ieee1284.mode = upload_mode; - return 0; -} - -/**************************************************************************** - * - * WritePacket - * - ***************************************************************************/ -static int WritePacket(struct pp_cam_entry *cam, const u8 *packet, size_t size) -{ - int retval=0; - int size_written; - - if (packet == NULL) { - return -EINVAL; - } - if (ForwardSetup(cam)) { - DBG("Write failed in setup\n"); - return -EIO; - } - size_written = parport_write(cam->port, packet, size); - if(size_written != size) { - DBG("Write failed, wrote %d/%d\n", size_written, size); - retval = -EIO; - } - EndTransferMode(cam); - return retval; -} - -/**************************************************************************** - * - * ReadPacket - * - ***************************************************************************/ -static int ReadPacket(struct pp_cam_entry *cam, u8 *packet, size_t size) -{ - int retval=0; - - if (packet == NULL) { - return -EINVAL; - } - if (ReverseSetup(cam, 0)) { - return -EIO; - } - - /* support for CPiA variant nibble reads */ - if(cam->port->ieee1284.mode == IEEE1284_MODE_NIBBLE) { - if(cpia_read_nibble(cam->port, packet, size, 0) != size) - retval = -EIO; - } else { - if(parport_read(cam->port, packet, size) != size) - retval = -EIO; - } - EndTransferMode(cam); - return retval; -} - -/**************************************************************************** - * - * cpia_pp_streamStart - * - ***************************************************************************/ -static int cpia_pp_streamStart(void *privdata) -{ - struct pp_cam_entry *cam = privdata; - DBG("\n"); - cam->streaming=1; - cam->image_ready=0; - //if (ReverseSetup(cam,1)) return -EIO; - if(cam->stream_irq) cpia_parport_enable_irq(cam->port); - return 0; -} - -/**************************************************************************** - * - * cpia_pp_streamStop - * - ***************************************************************************/ -static int cpia_pp_streamStop(void *privdata) -{ - struct pp_cam_entry *cam = privdata; - - DBG("\n"); - cam->streaming=0; - cpia_parport_disable_irq(cam->port); - //EndTransferMode(cam); - - return 0; -} - -/**************************************************************************** - * - * cpia_pp_streamRead - * - ***************************************************************************/ -static int cpia_pp_read(struct parport *port, u8 *buffer, int len) -{ - int bytes_read; - - /* support for CPiA variant "nibble stream" reads */ - if(port->ieee1284.mode == IEEE1284_MODE_NIBBLE) - bytes_read = cpia_read_nibble_stream(port,buffer,len,0); - else { - int new_bytes; - for(bytes_read=0; bytes_read<len; bytes_read += new_bytes) { - new_bytes = parport_read(port, buffer+bytes_read, - len-bytes_read); - if(new_bytes < 0) break; - } - } - return bytes_read; -} - -static int cpia_pp_streamRead(void *privdata, u8 *buffer, int noblock) -{ - struct pp_cam_entry *cam = privdata; - int read_bytes = 0; - int i, endseen, block_size, new_bytes; - - if(cam == NULL) { - DBG("Internal driver error: cam is NULL\n"); - return -EINVAL; - } - if(buffer == NULL) { - DBG("Internal driver error: buffer is NULL\n"); - return -EINVAL; - } - //if(cam->streaming) DBG("%d / %d\n", cam->image_ready, noblock); - if( cam->stream_irq ) { - DBG("%d\n", cam->image_ready); - cam->image_ready--; - } - cam->image_complete=0; - if (0/*cam->streaming*/) { - if(!cam->image_ready) { - if(noblock) return -EWOULDBLOCK; - interruptible_sleep_on(&cam->wq_stream); - if( signal_pending(current) ) return -EINTR; - DBG("%d\n", cam->image_ready); - } - } else { - if (ReverseSetup(cam, 1)) { - DBG("unable to ReverseSetup\n"); - return -EIO; - } - } - endseen = 0; - block_size = PARPORT_CHUNK_SIZE; - while( !cam->image_complete ) { - cond_resched(); - - new_bytes = cpia_pp_read(cam->port, buffer, block_size ); - if( new_bytes <= 0 ) { - break; - } - i=-1; - while(++i<new_bytes && endseen<4) { - if(*buffer==EOI) { - endseen++; - } else { - endseen=0; - } - buffer++; - } - read_bytes += i; - if( endseen==4 ) { - cam->image_complete=1; - break; - } - if( CPIA_MAX_IMAGE_SIZE-read_bytes <= PARPORT_CHUNK_SIZE ) { - block_size=CPIA_MAX_IMAGE_SIZE-read_bytes; - } - } - EndTransferMode(cam); - return cam->image_complete ? read_bytes : -EIO; -} -/**************************************************************************** - * - * cpia_pp_transferCmd - * - ***************************************************************************/ -static int cpia_pp_transferCmd(void *privdata, u8 *command, u8 *data) -{ - int err; - int retval=0; - int databytes; - struct pp_cam_entry *cam = privdata; - - if(cam == NULL) { - DBG("Internal driver error: cam is NULL\n"); - return -EINVAL; - } - if(command == NULL) { - DBG("Internal driver error: command is NULL\n"); - return -EINVAL; - } - databytes = (((int)command[7])<<8) | command[6]; - if ((err = WritePacket(cam, command, PACKET_LENGTH)) < 0) { - DBG("Error writing command\n"); - return err; - } - if(command[0] == DATA_IN) { - u8 buffer[8]; - if(data == NULL) { - DBG("Internal driver error: data is NULL\n"); - return -EINVAL; - } - if((err = ReadPacket(cam, buffer, 8)) < 0) { - DBG("Error reading command result\n"); - return err; - } - memcpy(data, buffer, databytes); - } else if(command[0] == DATA_OUT) { - if(databytes > 0) { - if(data == NULL) { - DBG("Internal driver error: data is NULL\n"); - retval = -EINVAL; - } else { - if((err=WritePacket(cam, data, databytes)) < 0){ - DBG("Error writing command data\n"); - return err; - } - } - } - } else { - DBG("Unexpected first byte of command: %x\n", command[0]); - retval = -EINVAL; - } - return retval; -} - -/**************************************************************************** - * - * cpia_pp_open - * - ***************************************************************************/ -static int cpia_pp_open(void *privdata) -{ - struct pp_cam_entry *cam = (struct pp_cam_entry *)privdata; - - if (cam == NULL) - return -EINVAL; - - if(cam->open_count == 0) { - if (parport_claim(cam->pdev)) { - DBG("failed to claim the port\n"); - return -EBUSY; - } - parport_negotiate(cam->port, IEEE1284_MODE_COMPAT); - parport_data_forward(cam->port); - parport_write_control(cam->port, PARPORT_CONTROL_SELECT); - udelay(50); - parport_write_control(cam->port, - PARPORT_CONTROL_SELECT - | PARPORT_CONTROL_INIT); - } - - ++cam->open_count; - - return 0; -} - -/**************************************************************************** - * - * cpia_pp_registerCallback - * - ***************************************************************************/ -static int cpia_pp_registerCallback(void *privdata, void (*cb)(void *cbdata), void *cbdata) -{ - struct pp_cam_entry *cam = privdata; - int retval = 0; - - if(cam->port->irq != PARPORT_IRQ_NONE) { - cam->cb_func = cb; - cam->cb_data = cbdata; - INIT_WORK(&cam->cb_task, cpia_pp_run_callback); - } else { - retval = -1; - } - return retval; -} - -/**************************************************************************** - * - * cpia_pp_close - * - ***************************************************************************/ -static int cpia_pp_close(void *privdata) -{ - struct pp_cam_entry *cam = privdata; - if (--cam->open_count == 0) { - parport_release(cam->pdev); - } - return 0; -} - -/**************************************************************************** - * - * cpia_pp_register - * - ***************************************************************************/ -static int cpia_pp_register(struct parport *port) -{ - struct pardevice *pdev = NULL; - struct pp_cam_entry *cam; - struct cam_data *cpia; - - if (!(port->modes & PARPORT_MODE_PCSPP)) { - LOG("port is not supported by CPiA driver\n"); - return -ENXIO; - } - - cam = kzalloc(sizeof(struct pp_cam_entry), GFP_KERNEL); - if (cam == NULL) { - LOG("failed to allocate camera structure\n"); - return -ENOMEM; - } - - pdev = parport_register_device(port, "cpia_pp", NULL, NULL, - NULL, 0, cam); - - if (!pdev) { - LOG("failed to parport_register_device\n"); - kfree(cam); - return -ENXIO; - } - - cam->pdev = pdev; - cam->port = port; - init_waitqueue_head(&cam->wq_stream); - - cam->streaming = 0; - cam->stream_irq = 0; - - if((cpia = cpia_register_camera(&cpia_pp_ops, cam)) == NULL) { - LOG("failed to cpia_register_camera\n"); - parport_unregister_device(pdev); - kfree(cam); - return -ENXIO; - } - spin_lock( &cam_list_lock_pp ); - list_add( &cpia->cam_data_list, &cam_list ); - spin_unlock( &cam_list_lock_pp ); - - return 0; -} - -static void cpia_pp_detach (struct parport *port) -{ - struct list_head *tmp; - struct cam_data *cpia = NULL; - struct pp_cam_entry *cam; - - spin_lock( &cam_list_lock_pp ); - list_for_each (tmp, &cam_list) { - cpia = list_entry(tmp, struct cam_data, cam_data_list); - cam = (struct pp_cam_entry *) cpia->lowlevel_data; - if (cam && cam->port->number == port->number) { - list_del(&cpia->cam_data_list); - break; - } - cpia = NULL; - } - spin_unlock( &cam_list_lock_pp ); - - if (!cpia) { - DBG("cpia_pp_detach failed to find cam_data in cam_list\n"); - return; - } - - cam = (struct pp_cam_entry *) cpia->lowlevel_data; - cpia_unregister_camera(cpia); - if(cam->open_count > 0) - cpia_pp_close(cam); - parport_unregister_device(cam->pdev); - cpia->lowlevel_data = NULL; - kfree(cam); -} - -static void cpia_pp_attach (struct parport *port) -{ - unsigned int i; - - switch (parport_nr[0]) - { - case PPCPIA_PARPORT_UNSPEC: - case PPCPIA_PARPORT_AUTO: - if (port->probe_info[0].class != PARPORT_CLASS_MEDIA || - port->probe_info[0].cmdset == NULL || - strncmp(port->probe_info[0].cmdset, "CPIA_1", 6) != 0) - return; - - cpia_pp_register(port); - - break; - - default: - for (i = 0; i < PARPORT_MAX; ++i) { - if (port->number == parport_nr[i]) { - cpia_pp_register(port); - break; - } - } - break; - } -} - -static struct parport_driver cpia_pp_driver = { - .name = "cpia_pp", - .attach = cpia_pp_attach, - .detach = cpia_pp_detach, -}; - -static int __init cpia_pp_init(void) -{ - printk(KERN_INFO "%s v%d.%d.%d\n",ABOUT, - CPIA_PP_MAJ_VER,CPIA_PP_MIN_VER,CPIA_PP_PATCH_VER); - - if(parport_nr[0] == PPCPIA_PARPORT_OFF) { - printk(" disabled\n"); - return 0; - } - - spin_lock_init( &cam_list_lock_pp ); - - if (parport_register_driver (&cpia_pp_driver)) { - LOG ("unable to register with parport\n"); - return -EIO; - } - return 0; -} - -static int __init cpia_init(void) -{ - if (parport[0]) { - /* The user gave some parameters. Let's see what they were. */ - if (!strncmp(parport[0], "auto", 4)) { - parport_nr[0] = PPCPIA_PARPORT_AUTO; - } else { - int n; - for (n = 0; n < PARPORT_MAX && parport[n]; n++) { - if (!strncmp(parport[n], "none", 4)) { - parport_nr[n] = PPCPIA_PARPORT_NONE; - } else { - char *ep; - unsigned long r = simple_strtoul(parport[n], &ep, 0); - if (ep != parport[n]) { - parport_nr[n] = r; - } else { - LOG("bad port specifier `%s'\n", parport[n]); - return -ENODEV; - } - } - } - } - } - return cpia_pp_init(); -} - -static void __exit cpia_cleanup(void) -{ - parport_unregister_driver(&cpia_pp_driver); - return; -} - -module_init(cpia_init); -module_exit(cpia_cleanup); diff --git a/drivers/staging/cpia/cpia_usb.c b/drivers/staging/cpia/cpia_usb.c deleted file mode 100644 index 58d193ff591c..000000000000 --- a/drivers/staging/cpia/cpia_usb.c +++ /dev/null @@ -1,640 +0,0 @@ -/* - * cpia_usb CPiA USB driver - * - * Supports CPiA based parallel port Video Camera's. - * - * Copyright (C) 1999 Jochen Scharrlach <Jochen.Scharrlach@schwaben.de> - * Copyright (C) 1999, 2000 Johannes Erdfelt <johannes@erdfelt.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */ -/* #define _CPIA_DEBUG_ 1 */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/wait.h> -#include <linux/list.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/usb.h> - -#include "cpia.h" - -#define USB_REQ_CPIA_GRAB_FRAME 0xC1 -#define USB_REQ_CPIA_UPLOAD_FRAME 0xC2 -#define WAIT_FOR_NEXT_FRAME 0 -#define FORCE_FRAME_UPLOAD 1 - -#define FRAMES_PER_DESC 10 -#define FRAME_SIZE_PER_DESC 960 /* Shouldn't be hardcoded */ -#define CPIA_NUMSBUF 2 -#define STREAM_BUF_SIZE (PAGE_SIZE * 4) -#define SCRATCH_BUF_SIZE (STREAM_BUF_SIZE * 2) - -struct cpia_sbuf { - char *data; - struct urb *urb; -}; - -#define FRAMEBUF_LEN (CPIA_MAX_FRAME_SIZE+100) -enum framebuf_status { - FRAME_EMPTY, - FRAME_READING, - FRAME_READY, - FRAME_ERROR, -}; - -struct framebuf { - int length; - enum framebuf_status status; - u8 data[FRAMEBUF_LEN]; - struct framebuf *next; -}; - -struct usb_cpia { - /* Device structure */ - struct usb_device *dev; - - unsigned char iface; - wait_queue_head_t wq_stream; - - int cursbuf; /* Current receiving sbuf */ - struct cpia_sbuf sbuf[CPIA_NUMSBUF]; /* Double buffering */ - - int streaming; - int open; - int present; - struct framebuf *buffers[3]; - struct framebuf *curbuff, *workbuff; -}; - -static int cpia_usb_open(void *privdata); -static int cpia_usb_registerCallback(void *privdata, void (*cb) (void *cbdata), - void *cbdata); -static int cpia_usb_transferCmd(void *privdata, u8 *command, u8 *data); -static int cpia_usb_streamStart(void *privdata); -static int cpia_usb_streamStop(void *privdata); -static int cpia_usb_streamRead(void *privdata, u8 *frame, int noblock); -static int cpia_usb_close(void *privdata); - -#define ABOUT "USB driver for Vision CPiA based cameras" - -static struct cpia_camera_ops cpia_usb_ops = { - cpia_usb_open, - cpia_usb_registerCallback, - cpia_usb_transferCmd, - cpia_usb_streamStart, - cpia_usb_streamStop, - cpia_usb_streamRead, - cpia_usb_close, - 0, - THIS_MODULE -}; - -static LIST_HEAD(cam_list); -static spinlock_t cam_list_lock_usb; - -static void cpia_usb_complete(struct urb *urb) -{ - int i; - char *cdata; - struct usb_cpia *ucpia; - - if (!urb || !urb->context) - return; - - ucpia = (struct usb_cpia *) urb->context; - - if (!ucpia->dev || !ucpia->streaming || !ucpia->present || !ucpia->open) - return; - - if (ucpia->workbuff->status == FRAME_EMPTY) { - ucpia->workbuff->status = FRAME_READING; - ucpia->workbuff->length = 0; - } - - for (i = 0; i < urb->number_of_packets; i++) { - int n = urb->iso_frame_desc[i].actual_length; - int st = urb->iso_frame_desc[i].status; - - cdata = urb->transfer_buffer + urb->iso_frame_desc[i].offset; - - if (st) - printk(KERN_DEBUG "cpia data error: [%d] len=%d, status=%X\n", i, n, st); - - if (FRAMEBUF_LEN < ucpia->workbuff->length + n) { - printk(KERN_DEBUG "cpia: scratch buf overflow!scr_len: %d, n: %d\n", ucpia->workbuff->length, n); - return; - } - - if (n) { - if ((ucpia->workbuff->length > 0) || - (0x19 == cdata[0] && 0x68 == cdata[1])) { - memcpy(ucpia->workbuff->data + ucpia->workbuff->length, cdata, n); - ucpia->workbuff->length += n; - } else - DBG("Ignoring packet!\n"); - } else { - if (ucpia->workbuff->length > 4 && - 0xff == ucpia->workbuff->data[ucpia->workbuff->length-1] && - 0xff == ucpia->workbuff->data[ucpia->workbuff->length-2] && - 0xff == ucpia->workbuff->data[ucpia->workbuff->length-3] && - 0xff == ucpia->workbuff->data[ucpia->workbuff->length-4]) { - ucpia->workbuff->status = FRAME_READY; - ucpia->curbuff = ucpia->workbuff; - ucpia->workbuff = ucpia->workbuff->next; - ucpia->workbuff->status = FRAME_EMPTY; - ucpia->workbuff->length = 0; - - if (waitqueue_active(&ucpia->wq_stream)) - wake_up_interruptible(&ucpia->wq_stream); - } - } - } - - /* resubmit */ - urb->dev = ucpia->dev; - if ((i = usb_submit_urb(urb, GFP_ATOMIC)) != 0) - printk(KERN_ERR "%s: usb_submit_urb ret %d\n", __func__, i); -} - -static int cpia_usb_open(void *privdata) -{ - struct usb_cpia *ucpia = (struct usb_cpia *) privdata; - struct urb *urb; - int ret, retval = 0, fx, err; - - if (!ucpia) - return -EINVAL; - - ucpia->sbuf[0].data = kmalloc(FRAMES_PER_DESC * FRAME_SIZE_PER_DESC, GFP_KERNEL); - if (!ucpia->sbuf[0].data) - return -EINVAL; - - ucpia->sbuf[1].data = kmalloc(FRAMES_PER_DESC * FRAME_SIZE_PER_DESC, GFP_KERNEL); - if (!ucpia->sbuf[1].data) { - retval = -EINVAL; - goto error_0; - } - - ret = usb_set_interface(ucpia->dev, ucpia->iface, 3); - if (ret < 0) { - printk(KERN_ERR "cpia_usb_open: usb_set_interface error (ret = %d)\n", ret); - retval = -EBUSY; - goto error_1; - } - - ucpia->buffers[0]->status = FRAME_EMPTY; - ucpia->buffers[0]->length = 0; - ucpia->buffers[1]->status = FRAME_EMPTY; - ucpia->buffers[1]->length = 0; - ucpia->buffers[2]->status = FRAME_EMPTY; - ucpia->buffers[2]->length = 0; - ucpia->curbuff = ucpia->buffers[0]; - ucpia->workbuff = ucpia->buffers[1]; - - /* We double buffer the Iso lists, and also know the polling - * interval is every frame (1 == (1 << (bInterval -1))). - */ - urb = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL); - if (!urb) { - printk(KERN_ERR "cpia_init_isoc: usb_alloc_urb 0\n"); - retval = -ENOMEM; - goto error_1; - } - - ucpia->sbuf[0].urb = urb; - urb->dev = ucpia->dev; - urb->context = ucpia; - urb->pipe = usb_rcvisocpipe(ucpia->dev, 1); - urb->transfer_flags = URB_ISO_ASAP; - urb->transfer_buffer = ucpia->sbuf[0].data; - urb->complete = cpia_usb_complete; - urb->number_of_packets = FRAMES_PER_DESC; - urb->interval = 1; - urb->transfer_buffer_length = FRAME_SIZE_PER_DESC * FRAMES_PER_DESC; - for (fx = 0; fx < FRAMES_PER_DESC; fx++) { - urb->iso_frame_desc[fx].offset = FRAME_SIZE_PER_DESC * fx; - urb->iso_frame_desc[fx].length = FRAME_SIZE_PER_DESC; - } - - urb = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL); - if (!urb) { - printk(KERN_ERR "cpia_init_isoc: usb_alloc_urb 1\n"); - retval = -ENOMEM; - goto error_urb0; - } - - ucpia->sbuf[1].urb = urb; - urb->dev = ucpia->dev; - urb->context = ucpia; - urb->pipe = usb_rcvisocpipe(ucpia->dev, 1); - urb->transfer_flags = URB_ISO_ASAP; - urb->transfer_buffer = ucpia->sbuf[1].data; - urb->complete = cpia_usb_complete; - urb->number_of_packets = FRAMES_PER_DESC; - urb->interval = 1; - urb->transfer_buffer_length = FRAME_SIZE_PER_DESC * FRAMES_PER_DESC; - for (fx = 0; fx < FRAMES_PER_DESC; fx++) { - urb->iso_frame_desc[fx].offset = FRAME_SIZE_PER_DESC * fx; - urb->iso_frame_desc[fx].length = FRAME_SIZE_PER_DESC; - } - - /* queue the ISO urbs, and resubmit in the completion handler */ - err = usb_submit_urb(ucpia->sbuf[0].urb, GFP_KERNEL); - if (err) { - printk(KERN_ERR "cpia_init_isoc: usb_submit_urb 0 ret %d\n", - err); - goto error_urb1; - } - err = usb_submit_urb(ucpia->sbuf[1].urb, GFP_KERNEL); - if (err) { - printk(KERN_ERR "cpia_init_isoc: usb_submit_urb 1 ret %d\n", - err); - goto error_urb1; - } - - ucpia->streaming = 1; - ucpia->open = 1; - - return 0; - -error_urb1: /* free urb 1 */ - usb_free_urb(ucpia->sbuf[1].urb); - ucpia->sbuf[1].urb = NULL; -error_urb0: /* free urb 0 */ - usb_free_urb(ucpia->sbuf[0].urb); - ucpia->sbuf[0].urb = NULL; -error_1: - kfree (ucpia->sbuf[1].data); - ucpia->sbuf[1].data = NULL; -error_0: - kfree (ucpia->sbuf[0].data); - ucpia->sbuf[0].data = NULL; - - return retval; -} - -// -// convenience functions -// - -/**************************************************************************** - * - * WritePacket - * - ***************************************************************************/ -static int WritePacket(struct usb_device *udev, const u8 *packet, u8 *buf, size_t size) -{ - if (!packet) - return -EINVAL; - - return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - packet[1] + (packet[0] << 8), - USB_TYPE_VENDOR | USB_RECIP_DEVICE, - packet[2] + (packet[3] << 8), - packet[4] + (packet[5] << 8), buf, size, 1000); -} - -/**************************************************************************** - * - * ReadPacket - * - ***************************************************************************/ -static int ReadPacket(struct usb_device *udev, u8 *packet, u8 *buf, size_t size) -{ - if (!packet || size <= 0) - return -EINVAL; - - return usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - packet[1] + (packet[0] << 8), - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - packet[2] + (packet[3] << 8), - packet[4] + (packet[5] << 8), buf, size, 1000); -} - -static int cpia_usb_transferCmd(void *privdata, u8 *command, u8 *data) -{ - int err = 0; - int databytes; - struct usb_cpia *ucpia = (struct usb_cpia *)privdata; - struct usb_device *udev = ucpia->dev; - - if (!udev) { - DBG("Internal driver error: udev is NULL\n"); - return -EINVAL; - } - - if (!command) { - DBG("Internal driver error: command is NULL\n"); - return -EINVAL; - } - - databytes = (((int)command[7])<<8) | command[6]; - - if (command[0] == DATA_IN) { - u8 buffer[8]; - - if (!data) { - DBG("Internal driver error: data is NULL\n"); - return -EINVAL; - } - - err = ReadPacket(udev, command, buffer, 8); - if (err < 0) - return err; - - memcpy(data, buffer, databytes); - } else if(command[0] == DATA_OUT) - WritePacket(udev, command, data, databytes); - else { - DBG("Unexpected first byte of command: %x\n", command[0]); - err = -EINVAL; - } - - return 0; -} - -static int cpia_usb_registerCallback(void *privdata, void (*cb) (void *cbdata), - void *cbdata) -{ - return -ENODEV; -} - -static int cpia_usb_streamStart(void *privdata) -{ - return -ENODEV; -} - -static int cpia_usb_streamStop(void *privdata) -{ - return -ENODEV; -} - -static int cpia_usb_streamRead(void *privdata, u8 *frame, int noblock) -{ - struct usb_cpia *ucpia = (struct usb_cpia *) privdata; - struct framebuf *mybuff; - - if (!ucpia || !ucpia->present) - return -1; - - if (ucpia->curbuff->status != FRAME_READY) - interruptible_sleep_on(&ucpia->wq_stream); - else - DBG("Frame already waiting!\n"); - - mybuff = ucpia->curbuff; - - if (!mybuff) - return -1; - - if (mybuff->status != FRAME_READY || mybuff->length < 4) { - DBG("Something went wrong!\n"); - return -1; - } - - memcpy(frame, mybuff->data, mybuff->length); - mybuff->status = FRAME_EMPTY; - -/* DBG("read done, %d bytes, Header: %x/%x, Footer: %x%x%x%x\n", */ -/* mybuff->length, frame[0], frame[1], */ -/* frame[mybuff->length-4], frame[mybuff->length-3], */ -/* frame[mybuff->length-2], frame[mybuff->length-1]); */ - - return mybuff->length; -} - -static void cpia_usb_free_resources(struct usb_cpia *ucpia, int try) -{ - if (!ucpia->streaming) - return; - - ucpia->streaming = 0; - - /* Set packet size to 0 */ - if (try) { - int ret; - - ret = usb_set_interface(ucpia->dev, ucpia->iface, 0); - if (ret < 0) { - printk(KERN_ERR "usb_set_interface error (ret = %d)\n", ret); - return; - } - } - - /* Unschedule all of the iso td's */ - if (ucpia->sbuf[1].urb) { - usb_kill_urb(ucpia->sbuf[1].urb); - usb_free_urb(ucpia->sbuf[1].urb); - ucpia->sbuf[1].urb = NULL; - } - - kfree(ucpia->sbuf[1].data); - ucpia->sbuf[1].data = NULL; - - if (ucpia->sbuf[0].urb) { - usb_kill_urb(ucpia->sbuf[0].urb); - usb_free_urb(ucpia->sbuf[0].urb); - ucpia->sbuf[0].urb = NULL; - } - - kfree(ucpia->sbuf[0].data); - ucpia->sbuf[0].data = NULL; -} - -static int cpia_usb_close(void *privdata) -{ - struct usb_cpia *ucpia = (struct usb_cpia *) privdata; - - if(!ucpia) - return -ENODEV; - - ucpia->open = 0; - - /* ucpia->present = 0 protects against trying to reset the - * alt setting if camera is physically disconnected while open */ - cpia_usb_free_resources(ucpia, ucpia->present); - - return 0; -} - -/* Probing and initializing */ - -static int cpia_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(intf); - struct usb_host_interface *interface; - struct usb_cpia *ucpia; - struct cam_data *cam; - int ret; - - /* A multi-config CPiA camera? */ - if (udev->descriptor.bNumConfigurations != 1) - return -ENODEV; - - interface = intf->cur_altsetting; - - printk(KERN_INFO "USB CPiA camera found\n"); - - ucpia = kzalloc(sizeof(*ucpia), GFP_KERNEL); - if (!ucpia) { - printk(KERN_ERR "couldn't kmalloc cpia struct\n"); - return -ENOMEM; - } - - ucpia->dev = udev; - ucpia->iface = interface->desc.bInterfaceNumber; - init_waitqueue_head(&ucpia->wq_stream); - - ucpia->buffers[0] = vmalloc(sizeof(*ucpia->buffers[0])); - if (!ucpia->buffers[0]) { - printk(KERN_ERR "couldn't vmalloc frame buffer 0\n"); - goto fail_alloc_0; - } - - ucpia->buffers[1] = vmalloc(sizeof(*ucpia->buffers[1])); - if (!ucpia->buffers[1]) { - printk(KERN_ERR "couldn't vmalloc frame buffer 1\n"); - goto fail_alloc_1; - } - - ucpia->buffers[2] = vmalloc(sizeof(*ucpia->buffers[2])); - if (!ucpia->buffers[2]) { - printk(KERN_ERR "couldn't vmalloc frame buffer 2\n"); - goto fail_alloc_2; - } - - ucpia->buffers[0]->next = ucpia->buffers[1]; - ucpia->buffers[1]->next = ucpia->buffers[2]; - ucpia->buffers[2]->next = ucpia->buffers[0]; - - ret = usb_set_interface(udev, ucpia->iface, 0); - if (ret < 0) { - printk(KERN_ERR "cpia_probe: usb_set_interface error (ret = %d)\n", ret); - /* goto fail_all; */ - } - - /* Before register_camera, important */ - ucpia->present = 1; - - cam = cpia_register_camera(&cpia_usb_ops, ucpia); - if (!cam) { - LOG("failed to cpia_register_camera\n"); - goto fail_all; - } - - spin_lock( &cam_list_lock_usb ); - list_add( &cam->cam_data_list, &cam_list ); - spin_unlock( &cam_list_lock_usb ); - - usb_set_intfdata(intf, cam); - return 0; - -fail_all: - vfree(ucpia->buffers[2]); - ucpia->buffers[2] = NULL; -fail_alloc_2: - vfree(ucpia->buffers[1]); - ucpia->buffers[1] = NULL; -fail_alloc_1: - vfree(ucpia->buffers[0]); - ucpia->buffers[0] = NULL; -fail_alloc_0: - kfree(ucpia); - return -EIO; -} - -static void cpia_disconnect(struct usb_interface *intf); - -static struct usb_device_id cpia_id_table [] = { - { USB_DEVICE(0x0553, 0x0002) }, - { USB_DEVICE(0x0813, 0x0001) }, - { } /* Terminating entry */ -}; - -MODULE_DEVICE_TABLE (usb, cpia_id_table); -MODULE_LICENSE("GPL"); - - -static struct usb_driver cpia_driver = { - .name = "cpia", - .probe = cpia_probe, - .disconnect = cpia_disconnect, - .id_table = cpia_id_table, -}; - -static void cpia_disconnect(struct usb_interface *intf) -{ - struct cam_data *cam = usb_get_intfdata(intf); - struct usb_cpia *ucpia; - - usb_set_intfdata(intf, NULL); - if (!cam) - return; - - ucpia = (struct usb_cpia *) cam->lowlevel_data; - spin_lock( &cam_list_lock_usb ); - list_del(&cam->cam_data_list); - spin_unlock( &cam_list_lock_usb ); - - ucpia->present = 0; - - cpia_unregister_camera(cam); - if(ucpia->open) - cpia_usb_close(cam->lowlevel_data); - - ucpia->curbuff->status = FRAME_ERROR; - - if (waitqueue_active(&ucpia->wq_stream)) - wake_up_interruptible(&ucpia->wq_stream); - - ucpia->curbuff = ucpia->workbuff = NULL; - - vfree(ucpia->buffers[2]); - ucpia->buffers[2] = NULL; - - vfree(ucpia->buffers[1]); - ucpia->buffers[1] = NULL; - - vfree(ucpia->buffers[0]); - ucpia->buffers[0] = NULL; - - cam->lowlevel_data = NULL; - kfree(ucpia); -} - -static int __init usb_cpia_init(void) -{ - printk(KERN_INFO "%s v%d.%d.%d\n",ABOUT, - CPIA_USB_MAJ_VER,CPIA_USB_MIN_VER,CPIA_USB_PATCH_VER); - - spin_lock_init(&cam_list_lock_usb); - return usb_register(&cpia_driver); -} - -static void __exit usb_cpia_cleanup(void) -{ - usb_deregister(&cpia_driver); -} - - -module_init (usb_cpia_init); -module_exit (usb_cpia_cleanup); - diff --git a/drivers/staging/cx25821/Kconfig b/drivers/staging/cx25821/Kconfig index 1d73334d2a44..b2656957aa8f 100644 --- a/drivers/staging/cx25821/Kconfig +++ b/drivers/staging/cx25821/Kconfig @@ -1,11 +1,11 @@ config VIDEO_CX25821 tristate "Conexant cx25821 support" - depends on DVB_CORE && VIDEO_DEV && PCI && I2C && INPUT + depends on DVB_CORE && VIDEO_DEV && PCI && I2C depends on BKL # please fix select I2C_ALGOBIT select VIDEO_BTCX select VIDEO_TVEEPROM - depends on VIDEO_IR + depends on RC_CORE select VIDEOBUF_DVB select VIDEOBUF_DMA_SG select VIDEO_CX25840 diff --git a/drivers/staging/cx25821/cx25821-alsa.c b/drivers/staging/cx25821/cx25821-alsa.c index 2a01dc057b2c..9a205a342c55 100644 --- a/drivers/staging/cx25821/cx25821-alsa.c +++ b/drivers/staging/cx25821/cx25821-alsa.c @@ -20,6 +20,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/init.h> #include <linux/device.h> @@ -42,11 +44,16 @@ #define AUDIO_SRAM_CHANNEL SRAM_CH08 -#define dprintk(level, fmt, arg...) if (debug >= level) \ - printk(KERN_INFO "%s/1: " fmt, chip->dev->name , ## arg) - -#define dprintk_core(level, fmt, arg...) if (debug >= level) \ - printk(KERN_DEBUG "%s/1: " fmt, chip->dev->name , ## arg) +#define dprintk(level, fmt, arg...) \ +do { \ + if (debug >= level) \ + pr_info("%s/1: " fmt, chip->dev->name, ##arg); \ +} while (0) +#define dprintk_core(level, fmt, arg...) \ +do { \ + if (debug >= level) \ + printk(KERN_DEBUG "%s/1: " fmt, chip->dev->name, ##arg); \ +} while (0) /**************************************************************************** Data type declarations - Can be moded to a header file later @@ -173,12 +180,11 @@ static int _cx25821_start_audio_dma(struct cx25821_audio_dev *chip) tmp | FLD_AUD_DST_PK_MODE | FLD_AUD_DST_ENABLE | FLD_AUD_CLK_ENABLE); - /* printk(KERN_INFO "DEBUG: Start audio DMA, %d B/line," - "cmds_start(0x%x)= %d lines/FIFO, %d periods, " - "%d byte buffer\n", buf->bpl, - audio_ch->cmds_start, - cx_read(audio_ch->cmds_start + 12)>>1, - chip->num_periods, buf->bpl *chip->num_periods); + /* + pr_info("DEBUG: Start audio DMA, %d B/line, cmds_start(0x%x)= %d lines/FIFO, %d periods, %d byte buffer\n", + buf->bpl, audio_ch->cmds_start, + cx_read(audio_ch->cmds_start + 12)>>1, + chip->num_periods, buf->bpl * chip->num_periods); */ /* Enables corresponding bits at AUD_INT_STAT */ @@ -259,8 +265,7 @@ static void cx25821_aud_irq(struct cx25821_audio_dev *chip, u32 status, /* risc op code error */ if (status & AUD_INT_OPC_ERR) { - printk(KERN_WARNING "WARNING %s/1: Audio risc op code error\n", - dev->name); + pr_warn("WARNING %s/1: Audio risc op code error\n", dev->name); cx_clear(AUD_INT_DMA_CTL, FLD_AUD_DST_A_RISC_EN | FLD_AUD_DST_A_FIFO_EN); @@ -269,8 +274,7 @@ static void cx25821_aud_irq(struct cx25821_audio_dev *chip, u32 status, [AUDIO_SRAM_CHANNEL]); } if (status & AUD_INT_DN_SYNC) { - printk(KERN_WARNING "WARNING %s: Downstream sync error!\n", - dev->name); + pr_warn("WARNING %s: Downstream sync error!\n", dev->name); cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET); return; } @@ -388,8 +392,7 @@ static int snd_cx25821_pcm_open(struct snd_pcm_substream *substream) unsigned int bpl = 0; if (!chip) { - printk(KERN_ERR "DEBUG: cx25821 can't find device struct." - " Can't proceed with open\n"); + pr_err("DEBUG: cx25821 can't find device struct. Can't proceed with open\n"); return -ENODEV; } @@ -479,8 +482,7 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream, chip->period_size, chip->num_periods, 1); if (ret < 0) { - printk(KERN_INFO - "DEBUG: ERROR after cx25821_risc_databuffer_audio()\n"); + pr_info("DEBUG: ERROR after cx25821_risc_databuffer_audio()\n"); goto error; } @@ -608,8 +610,7 @@ static int snd_cx25821_pcm(struct cx25821_audio_dev *chip, int device, err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm); if (err < 0) { - printk(KERN_INFO "ERROR: FAILED snd_pcm_new() in %s\n", - __func__); + pr_info("ERROR: FAILED snd_pcm_new() in %s\n", __func__); return err; } pcm->private_data = chip; @@ -674,23 +675,21 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev) int err; if (devno >= SNDRV_CARDS) { - printk(KERN_INFO "DEBUG ERROR: devno >= SNDRV_CARDS %s\n", - __func__); + pr_info("DEBUG ERROR: devno >= SNDRV_CARDS %s\n", __func__); return -ENODEV; } if (!enable[devno]) { ++devno; - printk(KERN_INFO "DEBUG ERROR: !enable[devno] %s\n", __func__); + pr_info("DEBUG ERROR: !enable[devno] %s\n", __func__); return -ENOENT; } err = snd_card_create(index[devno], id[devno], THIS_MODULE, sizeof(struct cx25821_audio_dev), &card); if (err < 0) { - printk(KERN_INFO - "DEBUG ERROR: cannot create snd_card_new in %s\n", - __func__); + pr_info("DEBUG ERROR: cannot create snd_card_new in %s\n", + __func__); return err; } @@ -712,16 +711,15 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev) IRQF_SHARED | IRQF_DISABLED, chip->dev->name, chip); if (err < 0) { - printk(KERN_ERR "ERROR %s: can't get IRQ %d for ALSA\n", + pr_err("ERROR %s: can't get IRQ %d for ALSA\n", chip->dev->name, dev->pci->irq); goto error; } err = snd_cx25821_pcm(chip, 0, "cx25821 Digital"); if (err < 0) { - printk(KERN_INFO - "DEBUG ERROR: cannot create snd_cx25821_pcm %s\n", - __func__); + pr_info("DEBUG ERROR: cannot create snd_cx25821_pcm %s\n", + __func__); goto error; } @@ -732,13 +730,13 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev) chip->iobase, chip->irq); strcpy(card->mixername, "CX25821"); - printk(KERN_INFO "%s/%i: ALSA support for cx25821 boards\n", - card->driver, devno); + pr_info("%s/%i: ALSA support for cx25821 boards\n", + card->driver, devno); err = snd_card_register(card); if (err < 0) { - printk(KERN_INFO "DEBUG ERROR: cannot register sound card %s\n", - __func__); + pr_info("DEBUG ERROR: cannot register sound card %s\n", + __func__); goto error; } @@ -778,8 +776,7 @@ static int cx25821_alsa_init(void) } if (dev == NULL) - printk(KERN_INFO - "cx25821 ERROR ALSA: no cx25821 cards found\n"); + pr_info("ERROR ALSA: no cx25821 cards found\n"); return 0; diff --git a/drivers/staging/cx25821/cx25821-audio-upstream.c b/drivers/staging/cx25821/cx25821-audio-upstream.c index 1607b0d86e6f..7992a3ba526f 100644 --- a/drivers/staging/cx25821/cx25821-audio-upstream.c +++ b/drivers/staging/cx25821/cx25821-audio-upstream.c @@ -20,6 +20,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include "cx25821-video.h" #include "cx25821-audio-upstream.h" @@ -221,7 +223,7 @@ void cx25821_stop_upstream_audio(struct cx25821_dev *dev) if (!dev->_audio_is_running) { printk(KERN_DEBUG - "cx25821: No audio file is currently running so return!\n"); + pr_fmt("No audio file is currently running so return!\n")); return; } /* Disable RISC interrupts */ @@ -281,19 +283,19 @@ int cx25821_get_audio_data(struct cx25821_dev *dev, if (IS_ERR(myfile)) { const int open_errno = -PTR_ERR(myfile); - printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n", + pr_err("%s(): ERROR opening file(%s) with errno = %d!\n", __func__, dev->_audiofilename, open_errno); return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { - printk(KERN_ERR "%s: File has no file operations registered!\n", + pr_err("%s(): File has no file operations registered!\n", __func__); filp_close(myfile, NULL); return -EIO; } if (!myfile->f_op->read) { - printk(KERN_ERR "%s: File has no READ operations registered!\n", + pr_err("%s(): File has no READ operations registered!\n", __func__); filp_close(myfile, NULL); return -EIO; @@ -320,9 +322,8 @@ int cx25821_get_audio_data(struct cx25821_dev *dev, frame_offset += vfs_read_retval; if (vfs_read_retval < line_size) { - printk(KERN_INFO - "Done: exit %s() since no more bytes to read from Audio file.\n", - __func__); + pr_info("Done: exit %s() since no more bytes to read from Audio file\n", + __func__); break; } } @@ -346,7 +347,7 @@ static void cx25821_audioups_handler(struct work_struct *work) container_of(work, struct cx25821_dev, _audio_work_entry); if (!dev) { - printk(KERN_ERR "ERROR %s(): since container_of(work_struct) FAILED!\n", + pr_err("ERROR %s(): since container_of(work_struct) FAILED!\n", __func__); return; } @@ -373,19 +374,19 @@ int cx25821_openfile_audio(struct cx25821_dev *dev, if (IS_ERR(myfile)) { const int open_errno = -PTR_ERR(myfile); - printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n", + pr_err("%s(): ERROR opening file(%s) with errno = %d!\n", __func__, dev->_audiofilename, open_errno); return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { - printk(KERN_ERR "%s: File has no file operations registered!\n", + pr_err("%s(): File has no file operations registered!\n", __func__); filp_close(myfile, NULL); return -EIO; } if (!myfile->f_op->read) { - printk(KERN_ERR "%s: File has no READ operations registered!\n", + pr_err("%s(): File has no READ operations registered!\n", __func__); filp_close(myfile, NULL); return -EIO; @@ -414,9 +415,8 @@ int cx25821_openfile_audio(struct cx25821_dev *dev, offset += vfs_read_retval; if (vfs_read_retval < line_size) { - printk(KERN_INFO - "Done: exit %s() since no more bytes to read from Audio file.\n", - __func__); + pr_info("Done: exit %s() since no more bytes to read from Audio file\n", + __func__); break; } } @@ -459,7 +459,7 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev, if (!dev->_risc_virt_addr) { printk(KERN_DEBUG - "cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning.\n"); + pr_fmt("ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning\n")); return -ENOMEM; } /* Clear out memory at address */ @@ -474,7 +474,7 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev, if (!dev->_audiodata_buf_virt_addr) { printk(KERN_DEBUG - "cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning.\n"); + pr_fmt("ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning\n")); return -ENOMEM; } /* Clear out memory at address */ @@ -490,7 +490,7 @@ static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev, dev->_audio_lines_count); if (ret < 0) { printk(KERN_DEBUG - "cx25821 ERROR creating audio upstream RISC programs!\n"); + pr_fmt("ERROR creating audio upstream RISC programs!\n")); goto error; } @@ -569,16 +569,16 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, spin_unlock(&dev->slock); } else { if (status & FLD_AUD_SRC_OF) - printk(KERN_WARNING "%s: Audio Received Overflow Error Interrupt!\n", - __func__); + pr_warn("%s(): Audio Received Overflow Error Interrupt!\n", + __func__); if (status & FLD_AUD_SRC_SYNC) - printk(KERN_WARNING "%s: Audio Received Sync Error Interrupt!\n", - __func__); + pr_warn("%s(): Audio Received Sync Error Interrupt!\n", + __func__); if (status & FLD_AUD_SRC_OPC_ERR) - printk(KERN_WARNING "%s: Audio Received OpCode Error Interrupt!\n", - __func__); + pr_warn("%s(): Audio Received OpCode Error Interrupt!\n", + __func__); /* Read and write back the interrupt status register to clear * our bits */ @@ -586,8 +586,8 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, } if (dev->_audiofile_status == END_OF_FILE) { - printk(KERN_WARNING "cx25821: EOF Channel Audio Framecount = %d\n", - dev->_audioframe_count); + pr_warn("EOF Channel Audio Framecount = %d\n", + dev->_audioframe_count); return -1; } /* ElSE, set the interrupt mask register, re-enable irq. */ @@ -644,9 +644,8 @@ static void cx25821_wait_fifo_enable(struct cx25821_dev *dev, /* 10 millisecond timeout */ if (count++ > 1000) { - printk(KERN_ERR - "cx25821 ERROR: %s() fifo is NOT turned on. Timeout!\n", - __func__); + pr_err("ERROR: %s() fifo is NOT turned on. Timeout!\n", + __func__); return; } @@ -696,8 +695,8 @@ int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev, request_irq(dev->pci->irq, cx25821_upstream_irq_audio, IRQF_SHARED | IRQF_DISABLED, dev->name, dev); if (err < 0) { - printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, - dev->pci->irq); + pr_err("%s: can't get upstream IRQ %d\n", + dev->name, dev->pci->irq); goto fail_irq; } @@ -726,7 +725,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) int str_length = 0; if (dev->_audio_is_running) { - printk(KERN_WARNING "Audio Channel is still running so return!\n"); + pr_warn("Audio Channel is still running so return!\n"); return 0; } @@ -740,7 +739,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) if (!dev->_irq_audio_queues) { printk(KERN_DEBUG - "cx25821 ERROR: create_singlethread_workqueue() for Audio FAILED!\n"); + pr_fmt("ERROR: create_singlethread_workqueue() for Audio FAILED!\n")); return -ENOMEM; } @@ -787,8 +786,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) retval = cx25821_audio_upstream_buffer_prepare(dev, sram_ch, _line_size); if (retval < 0) { - printk(KERN_ERR - "%s: Failed to set up Audio upstream buffers!\n", + pr_err("%s: Failed to set up Audio upstream buffers!\n", dev->name); goto error; } diff --git a/drivers/staging/cx25821/cx25821-cards.c b/drivers/staging/cx25821/cx25821-cards.c index da0f56d50e27..94e8d685c889 100644 --- a/drivers/staging/cx25821/cx25821-cards.c +++ b/drivers/staging/cx25821/cx25821-cards.c @@ -21,6 +21,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/staging/cx25821/cx25821-core.c b/drivers/staging/cx25821/cx25821-core.c index 300da319b065..a216b620b718 100644 --- a/drivers/staging/cx25821/cx25821-core.c +++ b/drivers/staging/cx25821/cx25821-core.c @@ -21,6 +21,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/i2c.h> #include <linux/slab.h> #include "cx25821.h" @@ -332,7 +334,7 @@ struct cx25821_dmaqueue mpegq; static int cx25821_risc_decode(u32 risc) { - static char *instr[16] = { + static const char * const instr[16] = { [RISC_SYNC >> 28] = "sync", [RISC_WRITE >> 28] = "write", [RISC_WRITEC >> 28] = "writec", @@ -344,7 +346,7 @@ static int cx25821_risc_decode(u32 risc) [RISC_WRITECM >> 28] = "writecm", [RISC_WRITECR >> 28] = "writecr", }; - static int incr[16] = { + static const int incr[16] = { [RISC_WRITE >> 28] = 3, [RISC_JUMP >> 28] = 3, [RISC_SKIP >> 28] = 1, @@ -353,7 +355,7 @@ static int cx25821_risc_decode(u32 risc) [RISC_WRITECM >> 28] = 3, [RISC_WRITECR >> 28] = 4, }; - static char *bits[] = { + static const char * const bits[] = { "12", "13", "14", "resync", "cnt0", "cnt1", "18", "19", "20", "21", "22", "23", @@ -361,13 +363,13 @@ static int cx25821_risc_decode(u32 risc) }; int i; - printk("0x%08x [ %s", risc, - instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); + pr_cont("0x%08x [ %s", + risc, instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); for (i = ARRAY_SIZE(bits) - 1; i >= 0; i--) { if (risc & (1 << (i + 12))) - printk(" %s", bits[i]); + pr_cont(" %s", bits[i]); } - printk(" count=%d ]\n", risc & 0xfff); + pr_cont(" count=%d ]\n", risc & 0xfff); return incr[risc >> 28] ? incr[risc >> 28] : 1; } @@ -620,16 +622,15 @@ void cx25821_sram_channel_dump(struct cx25821_dev *dev, struct sram_channel *ch) u32 risc; unsigned int i, j, n; - printk(KERN_WARNING "%s: %s - dma channel status dump\n", dev->name, - ch->name); + pr_warn("%s: %s - dma channel status dump\n", dev->name, ch->name); for (i = 0; i < ARRAY_SIZE(name); i++) - printk(KERN_WARNING "cmds + 0x%2x: %-15s: 0x%08x\n", i * 4, - name[i], cx_read(ch->cmds_start + 4 * i)); + pr_warn("cmds + 0x%2x: %-15s: 0x%08x\n", + i * 4, name[i], cx_read(ch->cmds_start + 4 * i)); j = i * 4; for (i = 0; i < 4;) { risc = cx_read(ch->cmds_start + 4 * (i + 14)); - printk(KERN_WARNING "cmds + 0x%2x: risc%d: ", j + i * 4, i); + pr_warn("cmds + 0x%2x: risc%d: ", j + i * 4, i); i += cx25821_risc_decode(risc); } @@ -637,36 +638,35 @@ void cx25821_sram_channel_dump(struct cx25821_dev *dev, struct sram_channel *ch) risc = cx_read(ch->ctrl_start + 4 * i); /* No consideration for bits 63-32 */ - printk(KERN_WARNING "ctrl + 0x%2x (0x%08x): iq %x: ", i * 4, - ch->ctrl_start + 4 * i, i); + pr_warn("ctrl + 0x%2x (0x%08x): iq %x: ", + i * 4, ch->ctrl_start + 4 * i, i); n = cx25821_risc_decode(risc); for (j = 1; j < n; j++) { risc = cx_read(ch->ctrl_start + 4 * (i + j)); - printk(KERN_WARNING - "ctrl + 0x%2x : iq %x: 0x%08x [ arg #%d ]\n", - 4 * (i + j), i + j, risc, j); + pr_warn("ctrl + 0x%2x : iq %x: 0x%08x [ arg #%d ]\n", + 4 * (i + j), i + j, risc, j); } } - printk(KERN_WARNING " : fifo: 0x%08x -> 0x%x\n", - ch->fifo_start, ch->fifo_start + ch->fifo_size); - printk(KERN_WARNING " : ctrl: 0x%08x -> 0x%x\n", - ch->ctrl_start, ch->ctrl_start + 6 * 16); - printk(KERN_WARNING " : ptr1_reg: 0x%08x\n", - cx_read(ch->ptr1_reg)); - printk(KERN_WARNING " : ptr2_reg: 0x%08x\n", - cx_read(ch->ptr2_reg)); - printk(KERN_WARNING " : cnt1_reg: 0x%08x\n", - cx_read(ch->cnt1_reg)); - printk(KERN_WARNING " : cnt2_reg: 0x%08x\n", - cx_read(ch->cnt2_reg)); + pr_warn(" : fifo: 0x%08x -> 0x%x\n", + ch->fifo_start, ch->fifo_start + ch->fifo_size); + pr_warn(" : ctrl: 0x%08x -> 0x%x\n", + ch->ctrl_start, ch->ctrl_start + 6 * 16); + pr_warn(" : ptr1_reg: 0x%08x\n", + cx_read(ch->ptr1_reg)); + pr_warn(" : ptr2_reg: 0x%08x\n", + cx_read(ch->ptr2_reg)); + pr_warn(" : cnt1_reg: 0x%08x\n", + cx_read(ch->cnt1_reg)); + pr_warn(" : cnt2_reg: 0x%08x\n", + cx_read(ch->cnt2_reg)); } EXPORT_SYMBOL(cx25821_sram_channel_dump); void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, struct sram_channel *ch) { - static char *name[] = { + static const char * const name[] = { "init risc lo", "init risc hi", "cdt base", @@ -686,18 +686,18 @@ void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, u32 risc, value, tmp; unsigned int i, j, n; - printk(KERN_INFO "\n%s: %s - dma Audio channel status dump\n", - dev->name, ch->name); + pr_info("\n%s: %s - dma Audio channel status dump\n", + dev->name, ch->name); for (i = 0; i < ARRAY_SIZE(name); i++) - printk(KERN_INFO "%s: cmds + 0x%2x: %-15s: 0x%08x\n", - dev->name, i * 4, name[i], - cx_read(ch->cmds_start + 4 * i)); + pr_info("%s: cmds + 0x%2x: %-15s: 0x%08x\n", + dev->name, i * 4, name[i], + cx_read(ch->cmds_start + 4 * i)); j = i * 4; for (i = 0; i < 4;) { risc = cx_read(ch->cmds_start + 4 * (i + 14)); - printk(KERN_WARNING "cmds + 0x%2x: risc%d: ", j + i * 4, i); + pr_warn("cmds + 0x%2x: risc%d: ", j + i * 4, i); i += cx25821_risc_decode(risc); } @@ -705,44 +705,43 @@ void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, risc = cx_read(ch->ctrl_start + 4 * i); /* No consideration for bits 63-32 */ - printk(KERN_WARNING "ctrl + 0x%2x (0x%08x): iq %x: ", i * 4, - ch->ctrl_start + 4 * i, i); + pr_warn("ctrl + 0x%2x (0x%08x): iq %x: ", + i * 4, ch->ctrl_start + 4 * i, i); n = cx25821_risc_decode(risc); for (j = 1; j < n; j++) { risc = cx_read(ch->ctrl_start + 4 * (i + j)); - printk(KERN_WARNING - "ctrl + 0x%2x : iq %x: 0x%08x [ arg #%d ]\n", - 4 * (i + j), i + j, risc, j); + pr_warn("ctrl + 0x%2x : iq %x: 0x%08x [ arg #%d ]\n", + 4 * (i + j), i + j, risc, j); } } - printk(KERN_WARNING " : fifo: 0x%08x -> 0x%x\n", - ch->fifo_start, ch->fifo_start + ch->fifo_size); - printk(KERN_WARNING " : ctrl: 0x%08x -> 0x%x\n", - ch->ctrl_start, ch->ctrl_start + 6 * 16); - printk(KERN_WARNING " : ptr1_reg: 0x%08x\n", - cx_read(ch->ptr1_reg)); - printk(KERN_WARNING " : ptr2_reg: 0x%08x\n", - cx_read(ch->ptr2_reg)); - printk(KERN_WARNING " : cnt1_reg: 0x%08x\n", - cx_read(ch->cnt1_reg)); - printk(KERN_WARNING " : cnt2_reg: 0x%08x\n", - cx_read(ch->cnt2_reg)); + pr_warn(" : fifo: 0x%08x -> 0x%x\n", + ch->fifo_start, ch->fifo_start + ch->fifo_size); + pr_warn(" : ctrl: 0x%08x -> 0x%x\n", + ch->ctrl_start, ch->ctrl_start + 6 * 16); + pr_warn(" : ptr1_reg: 0x%08x\n", + cx_read(ch->ptr1_reg)); + pr_warn(" : ptr2_reg: 0x%08x\n", + cx_read(ch->ptr2_reg)); + pr_warn(" : cnt1_reg: 0x%08x\n", + cx_read(ch->cnt1_reg)); + pr_warn(" : cnt2_reg: 0x%08x\n", + cx_read(ch->cnt2_reg)); for (i = 0; i < 4; i++) { risc = cx_read(ch->cmds_start + 56 + (i * 4)); - printk(KERN_WARNING "instruction %d = 0x%x\n", i, risc); + pr_warn("instruction %d = 0x%x\n", i, risc); } /* read data from the first cdt buffer */ risc = cx_read(AUD_A_CDT); - printk(KERN_WARNING "\nread cdt loc=0x%x\n", risc); + pr_warn("\nread cdt loc=0x%x\n", risc); for (i = 0; i < 8; i++) { n = cx_read(risc + i * 4); - printk(KERN_WARNING "0x%x ", n); + pr_cont("0x%x ", n); } - printk(KERN_WARNING "\n\n"); + pr_cont("\n\n"); value = cx_read(CLK_RST); CX25821_INFO(" CLK_RST = 0x%x\n\n", value); @@ -870,7 +869,7 @@ static int cx25821_get_resources(struct cx25821_dev *dev) dev->name)) return 0; - printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", + pr_err("%s: can't get MMIO memory @ 0x%llx\n", dev->name, (unsigned long long)pci_resource_start(dev->pci, 0)); return -EBUSY; @@ -880,8 +879,8 @@ static void cx25821_dev_checkrevision(struct cx25821_dev *dev) { dev->hwrevision = cx_read(RDR_CFG2) & 0xff; - printk(KERN_INFO "%s() Hardware revision = 0x%02x\n", __func__, - dev->hwrevision); + pr_info("%s(): Hardware revision = 0x%02x\n", + __func__, dev->hwrevision); } static void cx25821_iounmap(struct cx25821_dev *dev) @@ -901,9 +900,9 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) { int io_size = 0, i; - printk(KERN_INFO "\n***********************************\n"); - printk(KERN_INFO "cx25821 set up\n"); - printk(KERN_INFO "***********************************\n\n"); + pr_info("\n***********************************\n"); + pr_info("cx25821 set up\n"); + pr_info("***********************************\n\n"); mutex_init(&dev->lock); @@ -920,13 +919,11 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) strcpy(cx25821_boards[CX25821_BOARD].name, "cx25821"); if (dev->pci->device != 0x8210) { - printk(KERN_INFO - "%s() Exiting. Incorrect Hardware device = 0x%02x\n", - __func__, dev->pci->device); + pr_info("%s(): Exiting. Incorrect Hardware device = 0x%02x\n", + __func__, dev->pci->device); return -1; } else { - printk(KERN_INFO "Athena Hardware device = 0x%02x\n", - dev->pci->device); + pr_info("Athena Hardware device = 0x%02x\n", dev->pci->device); } /* Apply a sensible clock frequency for the PCIe bridge */ @@ -956,8 +953,7 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) dev->i2c_bus[0].i2c_period = (0x07 << 24); /* 1.95MHz */ if (cx25821_get_resources(dev) < 0) { - printk(KERN_ERR "%s No more PCIe resources for " - "subsystem: %04x:%04x\n", + pr_err("%s: No more PCIe resources for subsystem: %04x:%04x\n", dev->name, dev->pci->subsystem_vendor, dev->pci->subsystem_device); @@ -985,11 +981,11 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) dev->bmmio = (u8 __iomem *) dev->lmmio; - printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", - dev->name, dev->pci->subsystem_vendor, - dev->pci->subsystem_device, cx25821_boards[dev->board].name, - dev->board, card[dev->nr] == dev->board ? - "insmod option" : "autodetected"); + pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", + dev->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device, cx25821_boards[dev->board].name, + dev->board, card[dev->nr] == dev->board ? + "insmod option" : "autodetected"); /* init hardware */ cx25821_initialize(dev); @@ -1004,8 +1000,7 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) cx25821_card_setup(dev); if (medusa_video_init(dev) < 0) - CX25821_ERR("%s() Failed to initialize medusa!\n" - , __func__); + CX25821_ERR("%s(): Failed to initialize medusa!\n", __func__); cx25821_video_register(dev); @@ -1017,13 +1012,12 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) if (video_register_device (dev->ioctl_dev, VFL_TYPE_GRABBER, VIDEO_IOCTL_CH) < 0) { cx25821_videoioctl_unregister(dev); - printk(KERN_ERR - "%s() Failed to register video adapter for IOCTL, so \ - unregistering videoioctl device.\n", __func__); + pr_err("%s(): Failed to register video adapter for IOCTL, so unregistering videoioctl device\n", + __func__); } cx25821_dev_checkrevision(dev); - CX25821_INFO("cx25821 setup done!\n"); + CX25821_INFO("setup done!\n"); return 0; } @@ -1362,20 +1356,20 @@ void cx25821_print_irqbits(char *name, char *tag, char **strings, { unsigned int i; - printk(KERN_DEBUG "%s: %s [0x%x]", name, tag, bits); + printk(KERN_DEBUG pr_fmt("%s: %s [0x%x]"), name, tag, bits); for (i = 0; i < len; i++) { if (!(bits & (1 << i))) continue; if (strings[i]) - printk(" %s", strings[i]); + pr_cont(" %s", strings[i]); else - printk(" %d", i); + pr_cont(" %d", i); if (!(mask & (1 << i))) continue; - printk("*"); + pr_cont("*"); } - printk("\n"); + pr_cont("\n"); } EXPORT_SYMBOL(cx25821_print_irqbits); @@ -1405,12 +1399,12 @@ static int __devinit cx25821_initdev(struct pci_dev *pci_dev, if (pci_enable_device(pci_dev)) { err = -EIO; - printk(KERN_INFO "pci enable failed! "); + pr_info("pci enable failed!\n"); goto fail_unregister_device; } - printk(KERN_INFO "cx25821 Athena pci enable !\n"); + pr_info("Athena pci enable !\n"); err = cx25821_dev_setup(dev); if (err) { @@ -1423,14 +1417,13 @@ static int __devinit cx25821_initdev(struct pci_dev *pci_dev, /* print pci info */ pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); - printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " - "latency: %d, mmio: 0x%llx\n", dev->name, - pci_name(pci_dev), dev->pci_rev, pci_dev->irq, - dev->pci_lat, (unsigned long long)dev->base_io_addr); + pr_info("%s/0: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n", + dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, + dev->pci_lat, (unsigned long long)dev->base_io_addr); pci_set_master(pci_dev); if (!pci_dma_supported(pci_dev, 0xffffffff)) { - printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); + pr_err("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); err = -EIO; goto fail_irq; } @@ -1440,15 +1433,14 @@ static int __devinit cx25821_initdev(struct pci_dev *pci_dev, dev->name, dev); if (err < 0) { - printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name, - pci_dev->irq); + pr_err("%s: can't get IRQ %d\n", dev->name, pci_dev->irq); goto fail_irq; } return 0; fail_irq: - printk(KERN_INFO "cx25821 cx25821_initdev() can't get IRQ !\n"); + pr_info("cx25821_initdev() can't get IRQ !\n"); cx25821_dev_unregister(dev); fail_unregister_pci: @@ -1510,9 +1502,10 @@ static struct pci_driver cx25821_pci_driver = { static int __init cx25821_init(void) { INIT_LIST_HEAD(&cx25821_devlist); - printk(KERN_INFO "cx25821 driver version %d.%d.%d loaded\n", - (CX25821_VERSION_CODE >> 16) & 0xff, - (CX25821_VERSION_CODE >> 8) & 0xff, CX25821_VERSION_CODE & 0xff); + pr_info("driver version %d.%d.%d loaded\n", + (CX25821_VERSION_CODE >> 16) & 0xff, + (CX25821_VERSION_CODE >> 8) & 0xff, + CX25821_VERSION_CODE & 0xff); return pci_register_driver(&cx25821_pci_driver); } diff --git a/drivers/staging/cx25821/cx25821-i2c.c b/drivers/staging/cx25821/cx25821-i2c.c index 2b14bcca6897..130dfebebe20 100644 --- a/drivers/staging/cx25821/cx25821-i2c.c +++ b/drivers/staging/cx25821/cx25821-i2c.c @@ -21,6 +21,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include "cx25821.h" #include <linux/i2c.h> @@ -32,10 +34,11 @@ static unsigned int i2c_scan; module_param(i2c_scan, int, 0444); MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time"); -#define dprintk(level, fmt, arg...)\ - do { if (i2c_debug >= level)\ - printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ - } while (0) +#define dprintk(level, fmt, arg...) \ +do { \ + if (i2c_debug >= level) \ + printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \ +} while (0) #define I2C_WAIT_DELAY 32 #define I2C_WAIT_RETRY 64 @@ -98,7 +101,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, if (!i2c_slave_did_ack(i2c_adap)) return -EIO; - dprintk(1, "%s() returns 0\n", __func__); + dprintk(1, "%s(): returns 0\n", __func__); return 0; } @@ -163,7 +166,7 @@ eio: retval = -EIO; err: if (i2c_debug) - printk(KERN_ERR " ERR: %d\n", retval); + pr_err(" ERR: %d\n", retval); return retval; } @@ -187,7 +190,7 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, if (!i2c_slave_did_ack(i2c_adap)) return -EIO; - dprintk(1, "%s() returns 0\n", __func__); + dprintk(1, "%s(): returns 0\n", __func__); return 0; } @@ -227,7 +230,7 @@ eio: retval = -EIO; err: if (i2c_debug) - printk(KERN_ERR " ERR: %d\n", retval); + pr_err(" ERR: %d\n", retval); return retval; } diff --git a/drivers/staging/cx25821/cx25821-medusa-video.c b/drivers/staging/cx25821/cx25821-medusa-video.c index 1e11e0ce2d0a..fc780d0908dc 100644 --- a/drivers/staging/cx25821/cx25821-medusa-video.c +++ b/drivers/staging/cx25821/cx25821-medusa-video.c @@ -20,6 +20,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include "cx25821.h" #include "cx25821-medusa-video.h" #include "cx25821-biffuncs.h" @@ -499,9 +501,8 @@ void medusa_set_resolution(struct cx25821_dev *dev, int width, /* validate the width - cannot be negative */ if (width > MAX_WIDTH) { - printk - ("cx25821 %s() : width %d > MAX_WIDTH %d ! resetting to MAX_WIDTH\n", - __func__, width, MAX_WIDTH); + pr_info("%s(): width %d > MAX_WIDTH %d ! resetting to MAX_WIDTH\n", + __func__, width, MAX_WIDTH); width = MAX_WIDTH; } diff --git a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c index 405e2db72b0f..e2efacdfb874 100644 --- a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c +++ b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c @@ -20,6 +20,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include "cx25821-video.h" #include "cx25821-video-upstream-ch2.h" @@ -211,8 +213,7 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev) u32 tmp = 0; if (!dev->_is_running_ch2) { - printk - ("cx25821: No video file is currently running so return!\n"); + pr_info("No video file is currently running so return!\n"); return; } /* Disable RISC interrupts */ @@ -301,19 +302,19 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) myfile = filp_open(dev->_filename_ch2, O_RDONLY | O_LARGEFILE, 0); if (IS_ERR(myfile)) { const int open_errno = -PTR_ERR(myfile); - printk("%s(): ERROR opening file(%s) with errno = %d!\n", - __func__, dev->_filename_ch2, open_errno); + pr_err("%s(): ERROR opening file(%s) with errno = %d!\n", + __func__, dev->_filename_ch2, open_errno); return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { - printk("%s: File has no file operations registered!", + pr_err("%s(): File has no file operations registered!\n", __func__); filp_close(myfile, NULL); return -EIO; } if (!myfile->f_op->read) { - printk("%s: File has no READ operations registered!", + pr_err("%s(): File has no READ operations registered!\n", __func__); filp_close(myfile, NULL); return -EIO; @@ -340,9 +341,8 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) frame_offset += vfs_read_retval; if (vfs_read_retval < line_size) { - printk(KERN_INFO - "Done: exit %s() since no more bytes to read from Video file.\n", - __func__); + pr_info("Done: exit %s() since no more bytes to read from Video file\n", + __func__); break; } } @@ -366,8 +366,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work) container_of(work, struct cx25821_dev, _irq_work_entry_ch2); if (!dev) { - printk("ERROR %s(): since container_of(work_struct) FAILED!\n", - __func__); + pr_err("ERROR %s(): since container_of(work_struct) FAILED!\n", + __func__); return; } @@ -393,21 +393,20 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) if (IS_ERR(myfile)) { const int open_errno = -PTR_ERR(myfile); - printk("%s(): ERROR opening file(%s) with errno = %d!\n", - __func__, dev->_filename_ch2, open_errno); + pr_err("%s(): ERROR opening file(%s) with errno = %d!\n", + __func__, dev->_filename_ch2, open_errno); return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { - printk("%s: File has no file operations registered!", + pr_err("%s(): File has no file operations registered!\n", __func__); filp_close(myfile, NULL); return -EIO; } if (!myfile->f_op->read) { - printk - ("%s: File has no READ operations registered! Returning.", - __func__); + pr_err("%s(): File has no READ operations registered! Returning\n", + __func__); filp_close(myfile, NULL); return -EIO; } @@ -435,9 +434,8 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) offset += vfs_read_retval; if (vfs_read_retval < line_size) { - printk(KERN_INFO - "Done: exit %s() since no more bytes to read from Video file.\n", - __func__); + pr_info("Done: exit %s() since no more bytes to read from Video file\n", + __func__); break; } } @@ -483,8 +481,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, dev->_risc_size_ch2 = dev->upstream_riscbuf_size_ch2; if (!dev->_dma_virt_addr_ch2) { - printk - ("cx25821: FAILED to allocate memory for Risc buffer! Returning.\n"); + pr_err("FAILED to allocate memory for Risc buffer! Returning\n"); return -ENOMEM; } @@ -504,8 +501,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, dev->_data_buf_size_ch2 = dev->upstream_databuf_size_ch2; if (!dev->_data_buf_virt_addr_ch2) { - printk - ("cx25821: FAILED to allocate memory for data buffer! Returning.\n"); + pr_err("FAILED to allocate memory for data buffer! Returning\n"); return -ENOMEM; } @@ -521,8 +517,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, cx25821_risc_buffer_upstream_ch2(dev, dev->pci, 0, bpl, dev->_lines_count_ch2); if (ret < 0) { - printk(KERN_INFO - "cx25821: Failed creating Video Upstream Risc programs!\n"); + pr_info("Failed creating Video Upstream Risc programs!\n"); goto error; } @@ -602,8 +597,8 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, } if (dev->_file_status_ch2 == END_OF_FILE) { - printk("cx25821: EOF Channel 2 Framecount = %d\n", - dev->_frame_count_ch2); + pr_info("EOF Channel 2 Framecount = %d\n", + dev->_frame_count_ch2); return -1; } /* ElSE, set the interrupt mask register, re-enable irq. */ @@ -714,8 +709,8 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev, request_irq(dev->pci->irq, cx25821_upstream_irq_ch2, IRQF_SHARED | IRQF_DISABLED, dev->name, dev); if (err < 0) { - printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, - dev->pci->irq); + pr_err("%s: can't get upstream IRQ %d\n", + dev->name, dev->pci->irq); goto fail_irq; } /* Start the DMA engine */ @@ -744,7 +739,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, int str_length = 0; if (dev->_is_running_ch2) { - printk("Video Channel is still running so return!\n"); + pr_info("Video Channel is still running so return!\n"); return 0; } @@ -756,8 +751,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, create_singlethread_workqueue("cx25821_workqueue2"); if (!dev->_irq_queues_ch2) { - printk - ("cx25821: create_singlethread_workqueue() for Video FAILED!\n"); + pr_err("create_singlethread_workqueue() for Video FAILED!\n"); return -ENOMEM; } /* @@ -829,8 +823,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, cx25821_upstream_buffer_prepare_ch2(dev, sram_ch, dev->_line_size_ch2); if (retval < 0) { - printk(KERN_ERR - "%s: Failed to set up Video upstream buffers!\n", + pr_err("%s: Failed to set up Video upstream buffers!\n", dev->name); goto error; } diff --git a/drivers/staging/cx25821/cx25821-video-upstream.c b/drivers/staging/cx25821/cx25821-video-upstream.c index 16bf74d65912..31b4e3c74c8d 100644 --- a/drivers/staging/cx25821/cx25821-video-upstream.c +++ b/drivers/staging/cx25821/cx25821-video-upstream.c @@ -20,6 +20,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include "cx25821-video.h" #include "cx25821-video-upstream.h" @@ -257,8 +259,7 @@ void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev) u32 tmp = 0; if (!dev->_is_running) { - printk - (KERN_INFO "cx25821: No video file is currently running so return!\n"); + pr_info("No video file is currently running so return!\n"); return; } /* Disable RISC interrupts */ @@ -346,23 +347,20 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch) if (IS_ERR(myfile)) { const int open_errno = -PTR_ERR(myfile); - printk(KERN_ERR - "%s(): ERROR opening file(%s) with errno = %d!\n", - __func__, dev->_filename, open_errno); + pr_err("%s(): ERROR opening file(%s) with errno = %d!\n", + __func__, dev->_filename, open_errno); return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { - printk(KERN_ERR - "%s: File has no file operations registered!", - __func__); + pr_err("%s(): File has no file operations registered!\n", + __func__); filp_close(myfile, NULL); return -EIO; } if (!myfile->f_op->read) { - printk(KERN_ERR - "%s: File has no READ operations registered!", - __func__); + pr_err("%s(): File has no READ operations registered!\n", + __func__); filp_close(myfile, NULL); return -EIO; } @@ -388,10 +386,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch) frame_offset += vfs_read_retval; if (vfs_read_retval < line_size) { - printk(KERN_INFO - "Done: exit %s() since no more bytes to \ - read from Video file.\n", - __func__); + pr_info("Done: exit %s() since no more bytes to read from Video file\n", + __func__); break; } } @@ -415,9 +411,8 @@ static void cx25821_vidups_handler(struct work_struct *work) container_of(work, struct cx25821_dev, _irq_work_entry); if (!dev) { - printk(KERN_ERR - "ERROR %s(): since container_of(work_struct) FAILED!\n", - __func__); + pr_err("ERROR %s(): since container_of(work_struct) FAILED!\n", + __func__); return; } @@ -443,23 +438,20 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) if (IS_ERR(myfile)) { const int open_errno = -PTR_ERR(myfile); - printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n", + pr_err("%s(): ERROR opening file(%s) with errno = %d!\n", __func__, dev->_filename, open_errno); return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { - printk(KERN_ERR - "%s: File has no file operations registered!", - __func__); + pr_err("%s(): File has no file operations registered!\n", + __func__); filp_close(myfile, NULL); return -EIO; } if (!myfile->f_op->read) { - printk(KERN_ERR - "%s: File has no READ operations registered! \ - Returning.", - __func__); + pr_err("%s(): File has no READ operations registered! Returning\n", + __func__); filp_close(myfile, NULL); return -EIO; } @@ -487,10 +479,8 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) offset += vfs_read_retval; if (vfs_read_retval < line_size) { - printk(KERN_INFO - "Done: exit %s() since no more \ - bytes to read from Video file.\n", - __func__); + pr_info("Done: exit %s() since no more bytes to read from Video file\n", + __func__); break; } } @@ -534,9 +524,7 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev, dev->_risc_size = dev->upstream_riscbuf_size; if (!dev->_dma_virt_addr) { - printk - (KERN_ERR "cx25821: FAILED to allocate memory for Risc \ - buffer! Returning.\n"); + pr_err("FAILED to allocate memory for Risc buffer! Returning\n"); return -ENOMEM; } @@ -556,9 +544,7 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev, dev->_data_buf_size = dev->upstream_databuf_size; if (!dev->_data_buf_virt_addr) { - printk - (KERN_ERR "cx25821: FAILED to allocate memory for data \ - buffer! Returning.\n"); + pr_err("FAILED to allocate memory for data buffer! Returning\n"); return -ENOMEM; } @@ -574,8 +560,7 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev, cx25821_risc_buffer_upstream(dev, dev->pci, 0, bpl, dev->_lines_count); if (ret < 0) { - printk(KERN_INFO - "cx25821: Failed creating Video Upstream Risc programs!\n"); + pr_info("Failed creating Video Upstream Risc programs!\n"); goto error; } @@ -652,22 +637,20 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num, spin_unlock(&dev->slock); } else { if (status & FLD_VID_SRC_UF) - printk - (KERN_ERR "%s: Video Received Underflow Error \ - Interrupt!\n", __func__); + pr_err("%s(): Video Received Underflow Error Interrupt!\n", + __func__); if (status & FLD_VID_SRC_SYNC) - printk(KERN_ERR "%s: Video Received Sync Error \ - Interrupt!\n", __func__); + pr_err("%s(): Video Received Sync Error Interrupt!\n", + __func__); if (status & FLD_VID_SRC_OPC_ERR) - printk(KERN_ERR "%s: Video Received OpCode Error \ - Interrupt!\n", __func__); + pr_err("%s(): Video Received OpCode Error Interrupt!\n", + __func__); } if (dev->_file_status == END_OF_FILE) { - printk(KERN_ERR "cx25821: EOF Channel 1 Framecount = %d\n", - dev->_frame_count); + pr_err("EOF Channel 1 Framecount = %d\n", dev->_frame_count); return -1; } /* ElSE, set the interrupt mask register, re-enable irq. */ @@ -775,8 +758,8 @@ int cx25821_start_video_dma_upstream(struct cx25821_dev *dev, request_irq(dev->pci->irq, cx25821_upstream_irq, IRQF_SHARED | IRQF_DISABLED, dev->name, dev); if (err < 0) { - printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, - dev->pci->irq); + pr_err("%s: can't get upstream IRQ %d\n", + dev->name, dev->pci->irq); goto fail_irq; } @@ -806,7 +789,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, int str_length = 0; if (dev->_is_running) { - printk(KERN_INFO "Video Channel is still running so return!\n"); + pr_info("Video Channel is still running so return!\n"); return 0; } @@ -817,9 +800,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, dev->_irq_queues = create_singlethread_workqueue("cx25821_workqueue"); if (!dev->_irq_queues) { - printk - (KERN_ERR "cx25821: create_singlethread_workqueue() for \ - Video FAILED!\n"); + pr_err("create_singlethread_workqueue() for Video FAILED!\n"); return -ENOMEM; } /* 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for @@ -895,8 +876,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, /* Allocating buffers and prepare RISC program */ retval = cx25821_upstream_buffer_prepare(dev, sram_ch, dev->_line_size); if (retval < 0) { - printk(KERN_ERR - "%s: Failed to set up Video upstream buffers!\n", + pr_err("%s: Failed to set up Video upstream buffers!\n", dev->name); goto error; } diff --git a/drivers/staging/cx25821/cx25821-video.c b/drivers/staging/cx25821/cx25821-video.c index 52389308f333..0d8d75670516 100644 --- a/drivers/staging/cx25821/cx25821-video.c +++ b/drivers/staging/cx25821/cx25821-video.c @@ -24,7 +24,10 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include "cx25821-video.h" +#include <linux/smp_lock.h> MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); @@ -104,7 +107,7 @@ struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc) if (formats[i].fourcc == fourcc) return formats + i; - printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); + pr_err("%s(0x%08x) NOT FOUND\n", __func__, fourcc); return NULL; } @@ -159,15 +162,15 @@ void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, else mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); if (bc != 1) - printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", + pr_err("%s: %d buffers handled (should be 1)\n", __func__, bc); } #ifdef TUNER_FLAG int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm) { - dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", __func__, - (unsigned int)norm, v4l2_norm_to_name(norm)); + dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", + __func__, (unsigned int)norm, v4l2_norm_to_name(norm)); dev->tvnorm = norm; @@ -267,7 +270,7 @@ int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input) struct v4l2_routing route; memset(&route, 0, sizeof(route)); - dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", + dprintk(1, "%s(): video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", __func__, input, INPUT(input)->vmux, INPUT(input)->gpio0, INPUT(input)->gpio1, INPUT(input)->gpio2, INPUT(input)->gpio3); dev->input = input; @@ -400,8 +403,8 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) /* risc op code error */ if (status & (1 << 16)) { - printk(KERN_WARNING "%s, %s: video risc op code error\n", - dev->name, channel->name); + pr_warn("%s, %s: video risc op code error\n", + dev->name, channel->name); cx_clear(channel->dma_ctl, 0x11); cx25821_sram_channel_dump(dev, channel); } @@ -458,7 +461,7 @@ void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) btcx_riscmem_free(dev->pci, &dev->channels[chan_num].vidq.stopper); - printk(KERN_WARNING "device %d released!\n", chan_num); + pr_warn("device %d released!\n", chan_num); } } @@ -590,7 +593,7 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, init_buffer = 1; rc = videobuf_iolock(q, &buf->vb, NULL); if (0 != rc) { - printk(KERN_DEBUG "videobuf_iolock failed!\n"); + printk(KERN_DEBUG pr_fmt("videobuf_iolock failed!\n")); goto fail; } } @@ -1038,8 +1041,8 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, dev->channels[fh->channel_id].cif_width = fh->width; medusa_set_resolution(dev, fh->width, SRAM_CH00); - dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, - fh->height, fh->vidq.field); + dprintk(2, "%s(): width=%d height=%d field=%d\n", __func__, fh->width, + fh->height, fh->vidq.field); v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); cx25821_call_all(dev, video, s_mbus_fmt, &mbus_fmt); @@ -1070,14 +1073,14 @@ static int vidioc_log_status(struct file *file, void *priv) u32 tmp = 0; snprintf(name, sizeof(name), "%s/2", dev->name); - printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", - dev->name); + pr_info("%s/2: ============ START LOG STATUS ============\n", + dev->name); cx25821_call_all(dev, core, log_status); tmp = cx_read(sram_ch->dma_ctl); - printk(KERN_INFO "Video input 0 is %s\n", - (tmp & 0x11) ? "streaming" : "stopped"); - printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", - dev->name); + pr_info("Video input 0 is %s\n", + (tmp & 0x11) ? "streaming" : "stopped"); + pr_info("%s/2: ============= END LOG STATUS =============\n", + dev->name); return 0; } @@ -1186,34 +1189,6 @@ int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv, return 0; } -#ifdef CONFIG_VIDEO_V4L1_COMPAT -int cx25821_vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) -{ - struct cx25821_fh *fh = priv; - struct videobuf_queue *q; - struct v4l2_requestbuffers req; - unsigned int i; - int err; - - q = get_queue(fh); - memset(&req, 0, sizeof(req)); - req.type = q->type; - req.count = 8; - req.memory = V4L2_MEMORY_MMAP; - err = videobuf_reqbufs(q, &req); - if (err < 0) - return err; - - mbuf->frames = req.count; - mbuf->size = 0; - for (i = 0; i < mbuf->frames; i++) { - mbuf->offsets[i] = q->bufs[i]->boff; - mbuf->size += q->bufs[i]->bsize; - } - return 0; -} -#endif - int cx25821_vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) { struct cx25821_fh *fh = priv; @@ -1298,8 +1273,6 @@ int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i) if (0 == INPUT(n)->type) return -EINVAL; - memset(i, 0, sizeof(*i)); - i->index = n; i->type = V4L2_INPUT_TYPE_CAMERA; strcpy(i->name, iname[INPUT(n)->type]); @@ -1319,7 +1292,7 @@ int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i) struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; *i = dev->input; - dprintk(1, "%s() returns %d\n", __func__, *i); + dprintk(1, "%s(): returns %d\n", __func__, *i); return 0; } @@ -1339,7 +1312,7 @@ int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i) } if (i > 2) { - dprintk(1, "%s() -EINVAL\n", __func__); + dprintk(1, "%s(): -EINVAL\n", __func__); return -EINVAL; } @@ -1390,7 +1363,7 @@ int cx25821_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_freque if (0 != err) return err; } else { - printk(KERN_ERR "Invalid fh pointer!\n"); + pr_err("Invalid fh pointer!\n"); return -EINVAL; } @@ -1733,12 +1706,10 @@ static long video_ioctl_upstream9(struct file *file, unsigned int cmd, data_from_user = (struct upstream_user_struct *)arg; - if (!data_from_user) { - printk - ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", - __func__); - return 0; - } + if (!data_from_user) { + pr_err("%s(): Upstream data is INVALID. Returning\n", __func__); + return 0; + } command = data_from_user->command; @@ -1776,12 +1747,10 @@ static long video_ioctl_upstream10(struct file *file, unsigned int cmd, data_from_user = (struct upstream_user_struct *)arg; - if (!data_from_user) { - printk - ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", - __func__); - return 0; - } + if (!data_from_user) { + pr_err("%s(): Upstream data is INVALID. Returning\n", __func__); + return 0; + } command = data_from_user->command; @@ -1819,12 +1788,10 @@ static long video_ioctl_upstream11(struct file *file, unsigned int cmd, data_from_user = (struct upstream_user_struct *)arg; - if (!data_from_user) { - printk - ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", - __func__); - return 0; - } + if (!data_from_user) { + pr_err("%s(): Upstream data is INVALID. Returning\n", __func__); + return 0; + } command = data_from_user->command; @@ -1866,12 +1833,10 @@ static long video_ioctl_set(struct file *file, unsigned int cmd, data_from_user = (struct downstream_user_struct *)arg; - if (!data_from_user) { - printk( - "cx25821 in %s(): User data is INVALID. Returning.\n", - __func__); - return 0; - } + if (!data_from_user) { + pr_err("%s(): User data is INVALID. Returning\n", __func__); + return 0; + } command = data_from_user->command; @@ -2022,9 +1987,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_log_status = vidioc_log_status, .vidioc_g_priority = cx25821_vidioc_g_priority, .vidioc_s_priority = cx25821_vidioc_s_priority, -#ifdef CONFIG_VIDEO_V4L1_COMPAT - .vidiocgmbuf = cx25821_vidiocgmbuf, -#endif #ifdef TUNER_FLAG .vidioc_g_tuner = cx25821_vidioc_g_tuner, .vidioc_s_tuner = cx25821_vidioc_s_tuner, diff --git a/drivers/staging/cx25821/cx25821-video.h b/drivers/staging/cx25821/cx25821-video.h index a2415d33235b..f4ee8051b8b3 100644 --- a/drivers/staging/cx25821/cx25821-video.h +++ b/drivers/staging/cx25821/cx25821-video.h @@ -40,19 +40,15 @@ #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> -#ifdef CONFIG_VIDEO_V4L1_COMPAT -/* Include V4L1 specific functions. Should be removed soon */ -#include <linux/videodev.h> -#endif - #define TUNER_FLAG #define VIDEO_DEBUG 0 -#define dprintk(level, fmt, arg...)\ - do { if (VIDEO_DEBUG >= level)\ - printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ - } while (0) +#define dprintk(level, fmt, arg...) \ +do { \ + if (VIDEO_DEBUG >= level) \ + printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \ +} while (0) /* For IOCTL to identify running upstream */ #define UPSTREAM_START_VIDEO 700 @@ -133,7 +129,6 @@ extern int cx25821_vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap); extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f); -extern int cx25821_vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf); extern int cx25821_vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p); extern int cx25821_vidioc_querybuf(struct file *file, void *priv, diff --git a/drivers/staging/cx25821/cx25821.h b/drivers/staging/cx25821/cx25821.h index c94000125782..55115235f7f6 100644 --- a/drivers/staging/cx25821/cx25821.h +++ b/drivers/staging/cx25821/cx25821.h @@ -519,9 +519,12 @@ extern struct sram_channel cx25821_sram_channels[]; #define Set_GPIO_Bit(Bit) (1 << Bit) #define Clear_GPIO_Bit(Bit) (~(1 << Bit)) -#define CX25821_ERR(fmt, args...) printk(KERN_ERR "cx25821(%d): " fmt, dev->board, ## args) -#define CX25821_WARN(fmt, args...) printk(KERN_WARNING "cx25821(%d): " fmt, dev->board , ## args) -#define CX25821_INFO(fmt, args...) printk(KERN_INFO "cx25821(%d): " fmt, dev->board , ## args) +#define CX25821_ERR(fmt, args...) \ + pr_err("(%d): " fmt, dev->board, ##args) +#define CX25821_WARN(fmt, args...) \ + pr_warn("(%d): " fmt, dev->board, ##args) +#define CX25821_INFO(fmt, args...) \ + pr_info("(%d): " fmt, dev->board, ##args) extern int cx25821_i2c_register(struct cx25821_i2c *bus); extern void cx25821_card_setup(struct cx25821_dev *dev); diff --git a/drivers/staging/dabusb/Kconfig b/drivers/staging/dabusb/Kconfig new file mode 100644 index 000000000000..87bdc425d3c5 --- /dev/null +++ b/drivers/staging/dabusb/Kconfig @@ -0,0 +1,14 @@ +config USB_DABUSB + tristate "DABUSB driver" + depends on USB + ---help--- + A Digital Audio Broadcasting (DAB) Receiver for USB and Linux + brought to you by the DAB-Team + <http://wwwbode.cs.tum.edu/Par/arch/dab/>. This driver can be taken + as an example for URB-based bulk, control, and isochronous + transactions. URB's are explained in + <Documentation/usb/URB.txt>. + + To compile this driver as a module, choose M here: the + module will be called dabusb. + diff --git a/drivers/staging/dabusb/Makefile b/drivers/staging/dabusb/Makefile new file mode 100644 index 000000000000..2ff2f228e5f9 --- /dev/null +++ b/drivers/staging/dabusb/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_USB_DABUSB) += dabusb.o + diff --git a/drivers/staging/dabusb/TODO b/drivers/staging/dabusb/TODO new file mode 100644 index 000000000000..f9c0314ea0c1 --- /dev/null +++ b/drivers/staging/dabusb/TODO @@ -0,0 +1,5 @@ +This is a driver for an experimental sample developed in 2003. The driver +never supported any commercial product, nor had any known user. +If nobody takes care on it, the driver will be removed for 2.6.39. + +Please send patches to linux-media@vger.kernel.org diff --git a/drivers/staging/dabusb/dabusb.c b/drivers/staging/dabusb/dabusb.c new file mode 100644 index 000000000000..f3e25e91366d --- /dev/null +++ b/drivers/staging/dabusb/dabusb.c @@ -0,0 +1,914 @@ +/*****************************************************************************/ + +/* + * dabusb.c -- dab usb driver. + * + * Copyright (C) 1999 Deti Fliegl (deti@fliegl.de) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * + * $Id: dabusb.c,v 1.54 2000/07/24 21:39:39 deti Exp $ + * + */ + +/*****************************************************************************/ + +#include <linux/module.h> +#include <linux/socket.h> +#include <linux/list.h> +#include <linux/vmalloc.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <asm/uaccess.h> +#include <asm/atomic.h> +#include <linux/delay.h> +#include <linux/usb.h> +#include <linux/mutex.h> +#include <linux/firmware.h> +#include <linux/ihex.h> + +#include "dabusb.h" + +/* + * Version Information + */ +#define DRIVER_VERSION "v1.54" +#define DRIVER_AUTHOR "Deti Fliegl, deti@fliegl.de" +#define DRIVER_DESC "DAB-USB Interface Driver for Linux (c)1999" + +/* --------------------------------------------------------------------- */ + +#ifdef CONFIG_USB_DYNAMIC_MINORS +#define NRDABUSB 256 +#else +#define NRDABUSB 4 +#endif + +/*-------------------------------------------------------------------*/ + +static dabusb_t dabusb[NRDABUSB]; +static int buffers = 256; +static struct usb_driver dabusb_driver; + +/*-------------------------------------------------------------------*/ + +static int dabusb_add_buf_tail (pdabusb_t s, struct list_head *dst, struct list_head *src) +{ + unsigned long flags; + struct list_head *tmp; + int ret = 0; + + spin_lock_irqsave (&s->lock, flags); + + if (list_empty (src)) { + // no elements in source buffer + ret = -1; + goto err; + } + tmp = src->next; + list_move_tail (tmp, dst); + + err: spin_unlock_irqrestore (&s->lock, flags); + return ret; +} +/*-------------------------------------------------------------------*/ +#ifdef DEBUG +static void dump_urb (struct urb *urb) +{ + dbg("urb :%p", urb); + dbg("dev :%p", urb->dev); + dbg("pipe :%08X", urb->pipe); + dbg("status :%d", urb->status); + dbg("transfer_flags :%08X", urb->transfer_flags); + dbg("transfer_buffer :%p", urb->transfer_buffer); + dbg("transfer_buffer_length:%d", urb->transfer_buffer_length); + dbg("actual_length :%d", urb->actual_length); + dbg("setup_packet :%p", urb->setup_packet); + dbg("start_frame :%d", urb->start_frame); + dbg("number_of_packets :%d", urb->number_of_packets); + dbg("interval :%d", urb->interval); + dbg("error_count :%d", urb->error_count); + dbg("context :%p", urb->context); + dbg("complete :%p", urb->complete); +} +#endif +/*-------------------------------------------------------------------*/ +static int dabusb_cancel_queue (pdabusb_t s, struct list_head *q) +{ + unsigned long flags; + pbuff_t b; + + dbg("dabusb_cancel_queue"); + + spin_lock_irqsave (&s->lock, flags); + + list_for_each_entry(b, q, buff_list) { +#ifdef DEBUG + dump_urb(b->purb); +#endif + usb_unlink_urb (b->purb); + } + spin_unlock_irqrestore (&s->lock, flags); + return 0; +} +/*-------------------------------------------------------------------*/ +static int dabusb_free_queue (struct list_head *q) +{ + struct list_head *tmp; + struct list_head *p; + pbuff_t b; + + dbg("dabusb_free_queue"); + for (p = q->next; p != q;) { + b = list_entry (p, buff_t, buff_list); + +#ifdef DEBUG + dump_urb(b->purb); +#endif + kfree(b->purb->transfer_buffer); + usb_free_urb(b->purb); + tmp = p->next; + list_del (p); + kfree (b); + p = tmp; + } + + return 0; +} +/*-------------------------------------------------------------------*/ +static int dabusb_free_buffers (pdabusb_t s) +{ + unsigned long flags; + dbg("dabusb_free_buffers"); + + spin_lock_irqsave(&s->lock, flags); + + dabusb_free_queue (&s->free_buff_list); + dabusb_free_queue (&s->rec_buff_list); + + spin_unlock_irqrestore(&s->lock, flags); + + s->got_mem = 0; + return 0; +} +/*-------------------------------------------------------------------*/ +static void dabusb_iso_complete (struct urb *purb) +{ + pbuff_t b = purb->context; + pdabusb_t s = b->s; + int i; + int len; + int dst = 0; + void *buf = purb->transfer_buffer; + + dbg("dabusb_iso_complete"); + + // process if URB was not killed + if (purb->status != -ENOENT) { + unsigned int pipe = usb_rcvisocpipe (purb->dev, _DABUSB_ISOPIPE); + int pipesize = usb_maxpacket (purb->dev, pipe, usb_pipeout (pipe)); + for (i = 0; i < purb->number_of_packets; i++) + if (!purb->iso_frame_desc[i].status) { + len = purb->iso_frame_desc[i].actual_length; + if (len <= pipesize) { + memcpy (buf + dst, buf + purb->iso_frame_desc[i].offset, len); + dst += len; + } + else + dev_err(&purb->dev->dev, + "dabusb_iso_complete: invalid len %d\n", len); + } + else + dev_warn(&purb->dev->dev, "dabusb_iso_complete: corrupted packet status: %d\n", purb->iso_frame_desc[i].status); + if (dst != purb->actual_length) + dev_err(&purb->dev->dev, + "dst!=purb->actual_length:%d!=%d\n", + dst, purb->actual_length); + } + + if (atomic_dec_and_test (&s->pending_io) && !s->remove_pending && s->state != _stopped) { + s->overruns++; + dev_err(&purb->dev->dev, "overrun (%d)\n", s->overruns); + } + wake_up (&s->wait); +} +/*-------------------------------------------------------------------*/ +static int dabusb_alloc_buffers (pdabusb_t s) +{ + int transfer_len = 0; + pbuff_t b; + unsigned int pipe = usb_rcvisocpipe (s->usbdev, _DABUSB_ISOPIPE); + int pipesize = usb_maxpacket (s->usbdev, pipe, usb_pipeout (pipe)); + int packets = _ISOPIPESIZE / pipesize; + int transfer_buffer_length = packets * pipesize; + int i; + + dbg("dabusb_alloc_buffers pipesize:%d packets:%d transfer_buffer_len:%d", + pipesize, packets, transfer_buffer_length); + + while (transfer_len < (s->total_buffer_size << 10)) { + b = kzalloc(sizeof (buff_t), GFP_KERNEL); + if (!b) { + dev_err(&s->usbdev->dev, + "kzalloc(sizeof(buff_t))==NULL\n"); + goto err; + } + b->s = s; + b->purb = usb_alloc_urb(packets, GFP_KERNEL); + if (!b->purb) { + dev_err(&s->usbdev->dev, "usb_alloc_urb == NULL\n"); + kfree (b); + goto err; + } + + b->purb->transfer_buffer = kmalloc (transfer_buffer_length, GFP_KERNEL); + if (!b->purb->transfer_buffer) { + kfree (b->purb); + kfree (b); + dev_err(&s->usbdev->dev, + "kmalloc(%d)==NULL\n", transfer_buffer_length); + goto err; + } + + b->purb->transfer_buffer_length = transfer_buffer_length; + b->purb->number_of_packets = packets; + b->purb->complete = dabusb_iso_complete; + b->purb->context = b; + b->purb->dev = s->usbdev; + b->purb->pipe = pipe; + b->purb->transfer_flags = URB_ISO_ASAP; + + for (i = 0; i < packets; i++) { + b->purb->iso_frame_desc[i].offset = i * pipesize; + b->purb->iso_frame_desc[i].length = pipesize; + } + + transfer_len += transfer_buffer_length; + list_add_tail (&b->buff_list, &s->free_buff_list); + } + s->got_mem = transfer_len; + + return 0; + + err: + dabusb_free_buffers (s); + return -ENOMEM; +} +/*-------------------------------------------------------------------*/ +static int dabusb_bulk (pdabusb_t s, pbulk_transfer_t pb) +{ + int ret; + unsigned int pipe; + int actual_length; + + dbg("dabusb_bulk"); + + if (!pb->pipe) + pipe = usb_rcvbulkpipe (s->usbdev, 2); + else + pipe = usb_sndbulkpipe (s->usbdev, 2); + + ret=usb_bulk_msg(s->usbdev, pipe, pb->data, pb->size, &actual_length, 100); + if(ret<0) { + dev_err(&s->usbdev->dev, + "usb_bulk_msg failed(%d)\n", ret); + + if (usb_set_interface (s->usbdev, _DABUSB_IF, 1) < 0) { + dev_err(&s->usbdev->dev, "set_interface failed\n"); + return -EINVAL; + } + + } + + if( ret == -EPIPE ) { + dev_warn(&s->usbdev->dev, "CLEAR_FEATURE request to remove STALL condition.\n"); + if(usb_clear_halt(s->usbdev, usb_pipeendpoint(pipe))) + dev_err(&s->usbdev->dev, "request failed\n"); + } + + pb->size = actual_length; + return ret; +} +/* --------------------------------------------------------------------- */ +static int dabusb_writemem (pdabusb_t s, int pos, const unsigned char *data, + int len) +{ + int ret; + unsigned char *transfer_buffer = kmalloc (len, GFP_KERNEL); + + if (!transfer_buffer) { + dev_err(&s->usbdev->dev, + "dabusb_writemem: kmalloc(%d) failed.\n", len); + return -ENOMEM; + } + + memcpy (transfer_buffer, data, len); + + ret=usb_control_msg(s->usbdev, usb_sndctrlpipe( s->usbdev, 0 ), 0xa0, 0x40, pos, 0, transfer_buffer, len, 300); + + kfree (transfer_buffer); + return ret; +} +/* --------------------------------------------------------------------- */ +static int dabusb_8051_reset (pdabusb_t s, unsigned char reset_bit) +{ + dbg("dabusb_8051_reset: %d",reset_bit); + return dabusb_writemem (s, CPUCS_REG, &reset_bit, 1); +} +/* --------------------------------------------------------------------- */ +static int dabusb_loadmem (pdabusb_t s, const char *fname) +{ + int ret; + const struct ihex_binrec *rec; + const struct firmware *uninitialized_var(fw); + + dbg("Enter dabusb_loadmem (internal)"); + + ret = request_ihex_firmware(&fw, "dabusb/firmware.fw", &s->usbdev->dev); + if (ret) { + dev_err(&s->usbdev->dev, + "Failed to load \"dabusb/firmware.fw\": %d\n", ret); + goto out; + } + ret = dabusb_8051_reset (s, 1); + + for (rec = (const struct ihex_binrec *)fw->data; rec; + rec = ihex_next_binrec(rec)) { + dbg("dabusb_writemem: %04X %p %d)", be32_to_cpu(rec->addr), + rec->data, be16_to_cpu(rec->len)); + + ret = dabusb_writemem(s, be32_to_cpu(rec->addr), rec->data, + be16_to_cpu(rec->len)); + if (ret < 0) { + dev_err(&s->usbdev->dev, + "dabusb_writemem failed (%d %04X %p %d)\n", + ret, be32_to_cpu(rec->addr), + rec->data, be16_to_cpu(rec->len)); + break; + } + } + ret = dabusb_8051_reset (s, 0); + release_firmware(fw); + out: + dbg("dabusb_loadmem: exit"); + + return ret; +} +/* --------------------------------------------------------------------- */ +static int dabusb_fpga_clear (pdabusb_t s, pbulk_transfer_t b) +{ + b->size = 4; + b->data[0] = 0x2a; + b->data[1] = 0; + b->data[2] = 0; + b->data[3] = 0; + + dbg("dabusb_fpga_clear"); + + return dabusb_bulk (s, b); +} +/* --------------------------------------------------------------------- */ +static int dabusb_fpga_init (pdabusb_t s, pbulk_transfer_t b) +{ + b->size = 4; + b->data[0] = 0x2c; + b->data[1] = 0; + b->data[2] = 0; + b->data[3] = 0; + + dbg("dabusb_fpga_init"); + + return dabusb_bulk (s, b); +} +/* --------------------------------------------------------------------- */ +static int dabusb_fpga_download (pdabusb_t s, const char *fname) +{ + pbulk_transfer_t b = kmalloc (sizeof (bulk_transfer_t), GFP_KERNEL); + const struct firmware *fw; + unsigned int blen, n; + int ret; + + dbg("Enter dabusb_fpga_download (internal)"); + + if (!b) { + dev_err(&s->usbdev->dev, + "kmalloc(sizeof(bulk_transfer_t))==NULL\n"); + return -ENOMEM; + } + + ret = request_firmware(&fw, "dabusb/bitstream.bin", &s->usbdev->dev); + if (ret) { + dev_err(&s->usbdev->dev, + "Failed to load \"dabusb/bitstream.bin\": %d\n", ret); + kfree(b); + return ret; + } + + b->pipe = 1; + ret = dabusb_fpga_clear (s, b); + mdelay (10); + blen = fw->data[73] + (fw->data[72] << 8); + + dbg("Bitstream len: %i", blen); + + b->data[0] = 0x2b; + b->data[1] = 0; + b->data[2] = 0; + b->data[3] = 60; + + for (n = 0; n <= blen + 60; n += 60) { + // some cclks for startup + b->size = 64; + memcpy (b->data + 4, fw->data + 74 + n, 60); + ret = dabusb_bulk (s, b); + if (ret < 0) { + dev_err(&s->usbdev->dev, "dabusb_bulk failed.\n"); + break; + } + mdelay (1); + } + + ret = dabusb_fpga_init (s, b); + kfree (b); + release_firmware(fw); + + dbg("exit dabusb_fpga_download"); + + return ret; +} + +static int dabusb_stop (pdabusb_t s) +{ + dbg("dabusb_stop"); + + s->state = _stopped; + dabusb_cancel_queue (s, &s->rec_buff_list); + + dbg("pending_io: %d", s->pending_io.counter); + + s->pending_io.counter = 0; + return 0; +} + +static int dabusb_startrek (pdabusb_t s) +{ + if (!s->got_mem && s->state != _started) { + + dbg("dabusb_startrek"); + + if (dabusb_alloc_buffers (s) < 0) + return -ENOMEM; + dabusb_stop (s); + s->state = _started; + s->readptr = 0; + } + + if (!list_empty (&s->free_buff_list)) { + pbuff_t end; + int ret; + + while (!dabusb_add_buf_tail (s, &s->rec_buff_list, &s->free_buff_list)) { + + dbg("submitting: end:%p s->rec_buff_list:%p", s->rec_buff_list.prev, &s->rec_buff_list); + + end = list_entry (s->rec_buff_list.prev, buff_t, buff_list); + + ret = usb_submit_urb (end->purb, GFP_KERNEL); + if (ret) { + dev_err(&s->usbdev->dev, + "usb_submit_urb returned:%d\n", ret); + if (dabusb_add_buf_tail (s, &s->free_buff_list, &s->rec_buff_list)) + dev_err(&s->usbdev->dev, + "startrek: dabusb_add_buf_tail failed\n"); + break; + } + else + atomic_inc (&s->pending_io); + } + dbg("pending_io: %d",s->pending_io.counter); + } + + return 0; +} + +static ssize_t dabusb_read (struct file *file, char __user *buf, size_t count, loff_t * ppos) +{ + pdabusb_t s = (pdabusb_t) file->private_data; + unsigned long flags; + unsigned ret = 0; + int rem; + int cnt; + pbuff_t b; + struct urb *purb = NULL; + + dbg("dabusb_read"); + + if (*ppos) + return -ESPIPE; + + if (s->remove_pending) + return -EIO; + + + if (!s->usbdev) + return -EIO; + + while (count > 0) { + dabusb_startrek (s); + + spin_lock_irqsave (&s->lock, flags); + + if (list_empty (&s->rec_buff_list)) { + + spin_unlock_irqrestore(&s->lock, flags); + + dev_err(&s->usbdev->dev, + "error: rec_buf_list is empty\n"); + goto err; + } + + b = list_entry (s->rec_buff_list.next, buff_t, buff_list); + purb = b->purb; + + spin_unlock_irqrestore(&s->lock, flags); + + if (purb->status == -EINPROGRESS) { + if (file->f_flags & O_NONBLOCK) // return nonblocking + { + if (!ret) + ret = -EAGAIN; + goto err; + } + + interruptible_sleep_on (&s->wait); + + if (signal_pending (current)) { + if (!ret) + ret = -ERESTARTSYS; + goto err; + } + + spin_lock_irqsave (&s->lock, flags); + + if (list_empty (&s->rec_buff_list)) { + spin_unlock_irqrestore(&s->lock, flags); + dev_err(&s->usbdev->dev, + "error: still no buffer available.\n"); + goto err; + } + spin_unlock_irqrestore(&s->lock, flags); + s->readptr = 0; + } + if (s->remove_pending) { + ret = -EIO; + goto err; + } + + rem = purb->actual_length - s->readptr; // set remaining bytes to copy + + if (count >= rem) + cnt = rem; + else + cnt = count; + + dbg("copy_to_user:%p %p %d",buf, purb->transfer_buffer + s->readptr, cnt); + + if (copy_to_user (buf, purb->transfer_buffer + s->readptr, cnt)) { + dev_err(&s->usbdev->dev, "read: copy_to_user failed\n"); + if (!ret) + ret = -EFAULT; + goto err; + } + + s->readptr += cnt; + count -= cnt; + buf += cnt; + ret += cnt; + + if (s->readptr == purb->actual_length) { + // finished, take next buffer + if (dabusb_add_buf_tail (s, &s->free_buff_list, &s->rec_buff_list)) + dev_err(&s->usbdev->dev, + "read: dabusb_add_buf_tail failed\n"); + s->readptr = 0; + } + } + err: //mutex_unlock(&s->mutex); + return ret; +} + +static int dabusb_open (struct inode *inode, struct file *file) +{ + int devnum = iminor(inode); + pdabusb_t s; + int r; + + if (devnum < DABUSB_MINOR || devnum >= (DABUSB_MINOR + NRDABUSB)) + return -EIO; + + s = &dabusb[devnum - DABUSB_MINOR]; + + dbg("dabusb_open"); + mutex_lock(&s->mutex); + + while (!s->usbdev || s->opened) { + mutex_unlock(&s->mutex); + + if (file->f_flags & O_NONBLOCK) + return -EBUSY; + msleep_interruptible(500); + + if (signal_pending (current)) + return -EAGAIN; + mutex_lock(&s->mutex); + } + if (usb_set_interface (s->usbdev, _DABUSB_IF, 1) < 0) { + mutex_unlock(&s->mutex); + dev_err(&s->usbdev->dev, "set_interface failed\n"); + return -EINVAL; + } + s->opened = 1; + mutex_unlock(&s->mutex); + + file->f_pos = 0; + file->private_data = s; + + r = nonseekable_open(inode, file); + return r; +} + +static int dabusb_release (struct inode *inode, struct file *file) +{ + pdabusb_t s = (pdabusb_t) file->private_data; + + dbg("dabusb_release"); + + mutex_lock(&s->mutex); + dabusb_stop (s); + dabusb_free_buffers (s); + mutex_unlock(&s->mutex); + + if (!s->remove_pending) { + if (usb_set_interface (s->usbdev, _DABUSB_IF, 0) < 0) + dev_err(&s->usbdev->dev, "set_interface failed\n"); + } + else + wake_up (&s->remove_ok); + + s->opened = 0; + return 0; +} + +static long dabusb_ioctl (struct file *file, unsigned int cmd, unsigned long arg) +{ + pdabusb_t s = (pdabusb_t) file->private_data; + pbulk_transfer_t pbulk; + int ret = 0; + int version = DABUSB_VERSION; + + dbg("dabusb_ioctl"); + + if (s->remove_pending) + return -EIO; + + mutex_lock(&s->mutex); + + if (!s->usbdev) { + mutex_unlock(&s->mutex); + return -EIO; + } + + switch (cmd) { + + case IOCTL_DAB_BULK: + pbulk = memdup_user((void __user *)arg, + sizeof(bulk_transfer_t)); + + if (IS_ERR(pbulk)) { + ret = PTR_ERR(pbulk); + break; + } + + ret=dabusb_bulk (s, pbulk); + if(ret==0) + if (copy_to_user((void __user *)arg, pbulk, + sizeof(bulk_transfer_t))) + ret = -EFAULT; + kfree (pbulk); + break; + + case IOCTL_DAB_OVERRUNS: + ret = put_user (s->overruns, (unsigned int __user *) arg); + break; + + case IOCTL_DAB_VERSION: + ret = put_user (version, (unsigned int __user *) arg); + break; + + default: + ret = -ENOIOCTLCMD; + break; + } + mutex_unlock(&s->mutex); + return ret; +} + +static const struct file_operations dabusb_fops = +{ + .owner = THIS_MODULE, + .llseek = no_llseek, + .read = dabusb_read, + .unlocked_ioctl = dabusb_ioctl, + .open = dabusb_open, + .release = dabusb_release, +}; + +static char *dabusb_devnode(struct device *dev, mode_t *mode) +{ + return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); +} + +static struct usb_class_driver dabusb_class = { + .name = "dabusb%d", + .devnode = dabusb_devnode, + .fops = &dabusb_fops, + .minor_base = DABUSB_MINOR, +}; + + +/* --------------------------------------------------------------------- */ +static int dabusb_probe (struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *usbdev = interface_to_usbdev(intf); + int retval; + pdabusb_t s; + + dbg("dabusb: probe: vendor id 0x%x, device id 0x%x ifnum:%d", + le16_to_cpu(usbdev->descriptor.idVendor), + le16_to_cpu(usbdev->descriptor.idProduct), + intf->altsetting->desc.bInterfaceNumber); + + /* We don't handle multiple configurations */ + if (usbdev->descriptor.bNumConfigurations != 1) + return -ENODEV; + + if (intf->altsetting->desc.bInterfaceNumber != _DABUSB_IF && + le16_to_cpu(usbdev->descriptor.idProduct) == 0x9999) + return -ENODEV; + + + + s = &dabusb[intf->minor]; + + mutex_lock(&s->mutex); + s->remove_pending = 0; + s->usbdev = usbdev; + s->devnum = intf->minor; + + if (usb_reset_configuration (usbdev) < 0) { + dev_err(&intf->dev, "reset_configuration failed\n"); + goto reject; + } + if (le16_to_cpu(usbdev->descriptor.idProduct) == 0x2131) { + dabusb_loadmem (s, NULL); + goto reject; + } + else { + dabusb_fpga_download (s, NULL); + + if (usb_set_interface (s->usbdev, _DABUSB_IF, 0) < 0) { + dev_err(&intf->dev, "set_interface failed\n"); + goto reject; + } + } + dbg("bound to interface: %d", intf->altsetting->desc.bInterfaceNumber); + usb_set_intfdata (intf, s); + mutex_unlock(&s->mutex); + + retval = usb_register_dev(intf, &dabusb_class); + if (retval) { + usb_set_intfdata (intf, NULL); + return -ENOMEM; + } + + return 0; + + reject: + mutex_unlock(&s->mutex); + s->usbdev = NULL; + return -ENODEV; +} + +static void dabusb_disconnect (struct usb_interface *intf) +{ + wait_queue_t __wait; + pdabusb_t s = usb_get_intfdata (intf); + + dbg("dabusb_disconnect"); + + init_waitqueue_entry(&__wait, current); + + usb_set_intfdata (intf, NULL); + if (s) { + usb_deregister_dev (intf, &dabusb_class); + s->remove_pending = 1; + wake_up (&s->wait); + add_wait_queue(&s->remove_ok, &__wait); + set_current_state(TASK_UNINTERRUPTIBLE); + if (s->state == _started) + schedule(); + current->state = TASK_RUNNING; + remove_wait_queue(&s->remove_ok, &__wait); + + s->usbdev = NULL; + s->overruns = 0; + } +} + +static struct usb_device_id dabusb_ids [] = { + // { USB_DEVICE(0x0547, 0x2131) }, /* An2131 chip, no boot ROM */ + { USB_DEVICE(0x0547, 0x9999) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE (usb, dabusb_ids); + +static struct usb_driver dabusb_driver = { + .name = "dabusb", + .probe = dabusb_probe, + .disconnect = dabusb_disconnect, + .id_table = dabusb_ids, +}; + +/* --------------------------------------------------------------------- */ + +static int __init dabusb_init (void) +{ + int retval; + unsigned u; + + /* initialize struct */ + for (u = 0; u < NRDABUSB; u++) { + pdabusb_t s = &dabusb[u]; + memset (s, 0, sizeof (dabusb_t)); + mutex_init (&s->mutex); + s->usbdev = NULL; + s->total_buffer_size = buffers; + init_waitqueue_head (&s->wait); + init_waitqueue_head (&s->remove_ok); + spin_lock_init (&s->lock); + INIT_LIST_HEAD (&s->free_buff_list); + INIT_LIST_HEAD (&s->rec_buff_list); + } + + /* register misc device */ + retval = usb_register(&dabusb_driver); + if (retval) + goto out; + + dbg("dabusb_init: driver registered"); + + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); + +out: + return retval; +} + +static void __exit dabusb_cleanup (void) +{ + dbg("dabusb_cleanup"); + + usb_deregister (&dabusb_driver); +} + +/* --------------------------------------------------------------------- */ + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE("dabusb/firmware.fw"); +MODULE_FIRMWARE("dabusb/bitstream.bin"); + +module_param(buffers, int, 0); +MODULE_PARM_DESC (buffers, "Number of buffers (default=256)"); + +module_init (dabusb_init); +module_exit (dabusb_cleanup); + +/* --------------------------------------------------------------------- */ diff --git a/drivers/staging/dabusb/dabusb.h b/drivers/staging/dabusb/dabusb.h new file mode 100644 index 000000000000..00eb34c863eb --- /dev/null +++ b/drivers/staging/dabusb/dabusb.h @@ -0,0 +1,85 @@ +#define _BULK_DATA_LEN 64 +typedef struct +{ + unsigned char data[_BULK_DATA_LEN]; + unsigned int size; + unsigned int pipe; +}bulk_transfer_t,*pbulk_transfer_t; + +#define DABUSB_MINOR 240 /* some unassigned USB minor */ +#define DABUSB_VERSION 0x1000 +#define IOCTL_DAB_BULK _IOWR('d', 0x30, bulk_transfer_t) +#define IOCTL_DAB_OVERRUNS _IOR('d', 0x15, int) +#define IOCTL_DAB_VERSION _IOR('d', 0x3f, int) + +#ifdef __KERNEL__ + +typedef enum { _stopped=0, _started } driver_state_t; + +typedef struct +{ + struct mutex mutex; + struct usb_device *usbdev; + wait_queue_head_t wait; + wait_queue_head_t remove_ok; + spinlock_t lock; + atomic_t pending_io; + driver_state_t state; + int remove_pending; + int got_mem; + int total_buffer_size; + unsigned int overruns; + int readptr; + int opened; + int devnum; + struct list_head free_buff_list; + struct list_head rec_buff_list; +} dabusb_t,*pdabusb_t; + +typedef struct +{ + pdabusb_t s; + struct urb *purb; + struct list_head buff_list; +} buff_t,*pbuff_t; + +typedef struct +{ + wait_queue_head_t wait; +} bulk_completion_context_t, *pbulk_completion_context_t; + + +#define _DABUSB_IF 2 +#define _DABUSB_ISOPIPE 0x09 +#define _ISOPIPESIZE 16384 + +#define _BULK_DATA_LEN 64 +// Vendor specific request code for Anchor Upload/Download +// This one is implemented in the core +#define ANCHOR_LOAD_INTERNAL 0xA0 + +// EZ-USB Control and Status Register. Bit 0 controls 8051 reset +#define CPUCS_REG 0x7F92 +#define _TOTAL_BUFFERS 384 + +#define MAX_INTEL_HEX_RECORD_LENGTH 16 + +#ifndef _BYTE_DEFINED +#define _BYTE_DEFINED +typedef unsigned char BYTE; +#endif // !_BYTE_DEFINED + +#ifndef _WORD_DEFINED +#define _WORD_DEFINED +typedef unsigned short WORD; +#endif // !_WORD_DEFINED + +typedef struct _INTEL_HEX_RECORD +{ + BYTE Length; + WORD Address; + BYTE Type; + BYTE Data[MAX_INTEL_HEX_RECORD_LENGTH]; +} INTEL_HEX_RECORD, *PINTEL_HEX_RECORD; + +#endif diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c index b996697e7eb2..15d7efeed292 100644 --- a/drivers/staging/dt3155v4l/dt3155v4l.c +++ b/drivers/staging/dt3155v4l/dt3155v4l.c @@ -876,9 +876,6 @@ static const struct v4l2_ioctl_ops dt3155_ioctl_ops = { .vidioc_s_crop = dt3155_ioc_s_crop, .vidioc_enum_framesizes = dt3155_ioc_enum_framesizes, .vidioc_enum_frameintervals = dt3155_ioc_enum_frameintervals, -#ifdef CONFIG_VIDEO_V4L1_COMPAT - .vidiocgmbuf = iocgmbuf, -#endif */ }; diff --git a/drivers/staging/go7007/Kconfig b/drivers/staging/go7007/Kconfig index 3aecd30f0d1e..1da57df5cbcb 100644 --- a/drivers/staging/go7007/Kconfig +++ b/drivers/staging/go7007/Kconfig @@ -1,10 +1,10 @@ config VIDEO_GO7007 tristate "WIS GO7007 MPEG encoder support" - depends on VIDEO_DEV && PCI && I2C && INPUT + depends on VIDEO_DEV && PCI && I2C depends on BKL # please fix depends on SND select VIDEOBUF_DMA_SG - depends on VIDEO_IR + depends on RC_CORE select VIDEO_TUNER select VIDEO_TVEEPROM select SND_PCM diff --git a/drivers/staging/lirc/Kconfig b/drivers/staging/lirc/Kconfig index fa790db75d7e..cdaff5903a8f 100644 --- a/drivers/staging/lirc/Kconfig +++ b/drivers/staging/lirc/Kconfig @@ -14,26 +14,19 @@ if LIRC_STAGING config LIRC_BT829 tristate "BT829 based hardware" - depends on LIRC_STAGING && PCI + depends on LIRC && PCI help Driver for the IR interface on BT829-based hardware -config LIRC_I2C - tristate "I2C Based IR Receivers" - depends on LIRC_STAGING && I2C - help - Driver for I2C-based IR receivers, such as those commonly - found onboard Hauppauge PVR-150/250/350 video capture cards - config LIRC_IGORPLUGUSB tristate "Igor Cesko's USB IR Receiver" - depends on LIRC_STAGING && USB + depends on LIRC && USB help Driver for Igor Cesko's USB IR Receiver config LIRC_IMON tristate "Legacy SoundGraph iMON Receiver and Display" - depends on LIRC_STAGING && USB + depends on LIRC && USB help Driver for the original SoundGraph iMON IR Receiver and Display @@ -41,31 +34,31 @@ config LIRC_IMON config LIRC_IT87 tristate "ITE IT87XX CIR Port Receiver" - depends on LIRC_STAGING && PNP + depends on LIRC && PNP help Driver for the ITE IT87xx IR Receiver config LIRC_ITE8709 tristate "ITE8709 CIR Port Receiver" - depends on LIRC_STAGING && PNP + depends on LIRC && PNP help Driver for the ITE8709 IR Receiver config LIRC_PARALLEL tristate "Homebrew Parallel Port Receiver" - depends on LIRC_STAGING && PARPORT + depends on LIRC && PARPORT help Driver for Homebrew Parallel Port Receivers config LIRC_SASEM tristate "Sasem USB IR Remote" - depends on LIRC_STAGING && USB + depends on LIRC && USB help Driver for the Sasem OnAir Remocon-V or Dign HV5 HTPC IR/VFD Module config LIRC_SERIAL tristate "Homebrew Serial Port Receiver" - depends on LIRC_STAGING + depends on LIRC help Driver for Homebrew Serial Port Receivers @@ -78,19 +71,19 @@ config LIRC_SERIAL_TRANSMITTER config LIRC_SIR tristate "Built-in SIR IrDA port" - depends on LIRC_STAGING + depends on LIRC help Driver for the SIR IrDA port config LIRC_TTUSBIR tristate "Technotrend USB IR Receiver" - depends on LIRC_STAGING && USB + depends on LIRC && USB help Driver for the Technotrend USB IR Receiver config LIRC_ZILOG tristate "Zilog/Hauppauge IR Transmitter" - depends on LIRC_STAGING && I2C + depends on LIRC && I2C help Driver for the Zilog/Hauppauge IR Transmitter, found on PVR-150/500, HVR-1200/1250/1700/1800, HD-PVR and other cards diff --git a/drivers/staging/lirc/Makefile b/drivers/staging/lirc/Makefile index 4da1f3397a16..94af218d8373 100644 --- a/drivers/staging/lirc/Makefile +++ b/drivers/staging/lirc/Makefile @@ -4,7 +4,6 @@ # Each configuration option enables a list of files. obj-$(CONFIG_LIRC_BT829) += lirc_bt829.o -obj-$(CONFIG_LIRC_I2C) += lirc_i2c.o obj-$(CONFIG_LIRC_IGORPLUGUSB) += lirc_igorplugusb.o obj-$(CONFIG_LIRC_IMON) += lirc_imon.o obj-$(CONFIG_LIRC_IT87) += lirc_it87.o diff --git a/drivers/staging/lirc/TODO.lirc_i2c b/drivers/staging/lirc/TODO.lirc_i2c deleted file mode 100644 index 1f0a6ff65439..000000000000 --- a/drivers/staging/lirc/TODO.lirc_i2c +++ /dev/null @@ -1,3 +0,0 @@ -lirc_i2c provides support for some drivers that have already a RC -driver under drivers/media/video. It should be integrated into those -drivers, in special with drivers/media/video/ir-kbd-i2c.c. diff --git a/drivers/staging/lirc/TODO.lirc_zilog b/drivers/staging/lirc/TODO.lirc_zilog new file mode 100644 index 000000000000..6aa312df4018 --- /dev/null +++ b/drivers/staging/lirc/TODO.lirc_zilog @@ -0,0 +1,13 @@ +The binding between hdpvr and lirc_zilog is currently disabled, +due to an OOPS reported a few years ago when both the hdpvr and cx18 +drivers were loaded in his system. More details can be seen at: + http://www.mail-archive.com/linux-media@vger.kernel.org/msg09163.html +More tests need to be done, in order to fix the reported issue. + +There's a conflict between ir-kbd-i2c: Both provide support for RX events. +Such conflict needs to be fixed, before moving it out of staging. + +The way I2C probe works, it will try to register the driver twice, one +for RX and another for TX. The logic needs to be fixed to avoid such +issue. + diff --git a/drivers/staging/lirc/lirc_i2c.c b/drivers/staging/lirc/lirc_i2c.c deleted file mode 100644 index 6df2c0e8d721..000000000000 --- a/drivers/staging/lirc/lirc_i2c.c +++ /dev/null @@ -1,536 +0,0 @@ -/* - * lirc_i2c.c - * - * i2c IR driver for the onboard IR port on many TV tuner cards, including: - * -Flavors of the Hauppauge PVR-150/250/350 - * -Hauppauge HVR-1300 - * -PixelView (BT878P+W/FM) - * -KNC ONE TV Station/Anubis Typhoon TView Tuner - * -Asus TV-Box and Creative/VisionTek BreakOut-Box - * -Leadtek Winfast PVR2000 - * - * Copyright (c) 2000 Gerd Knorr <kraxel@goldbach.in-berlin.de> - * modified for PixelView (BT878P+W/FM) by - * Michal Kochanowicz <mkochano@pld.org.pl> - * Christoph Bartelmus <lirc@bartelmus.de> - * modified for KNC ONE TV Station/Anubis Typhoon TView Tuner by - * Ulrich Mueller <ulrich.mueller42@web.de> - * modified for Asus TV-Box and Creative/VisionTek BreakOut-Box by - * Stefan Jahn <stefan@lkcc.org> - * modified for inclusion into kernel sources by - * Jerome Brock <jbrock@users.sourceforge.net> - * modified for Leadtek Winfast PVR2000 by - * Thomas Reitmayr (treitmayr@yahoo.com) - * modified for Hauppauge HVR-1300 by - * Jan Frey (jfrey@gmx.de) - * - * parts are cut&pasted from the old lirc_haup.c driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - - -#include <linux/version.h> -#include <linux/module.h> -#include <linux/kmod.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> - -#include <media/lirc_dev.h> - -struct IR { - struct lirc_driver l; - struct i2c_client c; - int nextkey; - unsigned char b[3]; - unsigned char bits; - unsigned char flag; -}; - -#define DEVICE_NAME "lirc_i2c" - -/* module parameters */ -static int debug; /* debug output */ -static int minor = -1; /* minor number */ - -#define dprintk(fmt, args...) \ - do { \ - if (debug) \ - printk(KERN_DEBUG DEVICE_NAME ": " fmt, \ - ## args); \ - } while (0) - -static int reverse(int data, int bits) -{ - int i; - int c; - - for (c = 0, i = 0; i < bits; i++) - c |= ((data & (1<<i)) ? 1 : 0) << (bits-1-i); - - return c; -} - -static int add_to_buf_adap(void *data, struct lirc_buffer *buf) -{ - struct IR *ir = data; - unsigned char keybuf[4]; - - keybuf[0] = 0x00; - i2c_master_send(&ir->c, keybuf, 1); - /* poll IR chip */ - if (i2c_master_recv(&ir->c, keybuf, sizeof(keybuf)) != sizeof(keybuf)) { - dprintk("read error\n"); - return -EIO; - } - - dprintk("key (0x%02x%02x%02x%02x)\n", - keybuf[0], keybuf[1], keybuf[2], keybuf[3]); - - /* key pressed ? */ - if (keybuf[2] == 0xff) - return -ENODATA; - - /* remove repeat bit */ - keybuf[2] &= 0x7f; - keybuf[3] |= 0x80; - - lirc_buffer_write(buf, keybuf); - return 0; -} - -static int add_to_buf_pcf8574(void *data, struct lirc_buffer *buf) -{ - struct IR *ir = data; - int rc; - unsigned char all, mask; - unsigned char key; - - /* compute all valid bits (key code + pressed/release flag) */ - all = ir->bits | ir->flag; - - /* save IR writable mask bits */ - mask = i2c_smbus_read_byte(&ir->c) & ~all; - - /* send bit mask */ - rc = i2c_smbus_write_byte(&ir->c, (0xff & all) | mask); - - /* receive scan code */ - rc = i2c_smbus_read_byte(&ir->c); - - if (rc == -1) { - dprintk("%s read error\n", ir->c.name); - return -EIO; - } - - /* drop duplicate polls */ - if (ir->b[0] == (rc & all)) - return -ENODATA; - - ir->b[0] = rc & all; - - dprintk("%s key 0x%02X %s\n", ir->c.name, rc & ir->bits, - (rc & ir->flag) ? "released" : "pressed"); - - /* ignore released buttons */ - if (rc & ir->flag) - return -ENODATA; - - /* set valid key code */ - key = rc & ir->bits; - lirc_buffer_write(buf, &key); - return 0; -} - -/* common for Hauppauge IR receivers */ -static int add_to_buf_haup_common(void *data, struct lirc_buffer *buf, - unsigned char *keybuf, int size, int offset) -{ - struct IR *ir = data; - __u16 code; - unsigned char codes[2]; - int ret; - - /* poll IR chip */ - ret = i2c_master_recv(&ir->c, keybuf, size); - if (ret == size) { - ir->b[0] = keybuf[offset]; - ir->b[1] = keybuf[offset+1]; - ir->b[2] = keybuf[offset+2]; - if (ir->b[0] != 0x00 && ir->b[1] != 0x00) - dprintk("key (0x%02x/0x%02x)\n", ir->b[0], ir->b[1]); - } else { - dprintk("read error (ret=%d)\n", ret); - /* keep last successful read buffer */ - } - - /* key pressed ? */ - if ((ir->b[0] & 0x80) == 0) - return -ENODATA; - - /* look what we have */ - code = (((__u16)ir->b[0]&0x7f)<<6) | (ir->b[1]>>2); - - codes[0] = (code >> 8) & 0xff; - codes[1] = code & 0xff; - - /* return it */ - dprintk("sending code 0x%02x%02x to lirc\n", codes[0], codes[1]); - lirc_buffer_write(buf, codes); - return 0; -} - -/* specific for the Hauppauge PVR150 IR receiver */ -static int add_to_buf_haup_pvr150(void *data, struct lirc_buffer *buf) -{ - unsigned char keybuf[6]; - /* fetch 6 bytes, first relevant is at offset 3 */ - return add_to_buf_haup_common(data, buf, keybuf, 6, 3); -} - -/* used for all Hauppauge IR receivers but the PVR150 */ -static int add_to_buf_haup(void *data, struct lirc_buffer *buf) -{ - unsigned char keybuf[3]; - /* fetch 3 bytes, first relevant is at offset 0 */ - return add_to_buf_haup_common(data, buf, keybuf, 3, 0); -} - - -static int add_to_buf_pvr2000(void *data, struct lirc_buffer *buf) -{ - struct IR *ir = data; - unsigned char key; - s32 flags; - s32 code; - - /* poll IR chip */ - flags = i2c_smbus_read_byte_data(&ir->c, 0x10); - if (-1 == flags) { - dprintk("read error\n"); - return -ENODATA; - } - /* key pressed ? */ - if (0 == (flags & 0x80)) - return -ENODATA; - - /* read actual key code */ - code = i2c_smbus_read_byte_data(&ir->c, 0x00); - if (-1 == code) { - dprintk("read error\n"); - return -ENODATA; - } - - key = code & 0xFF; - - dprintk("IR Key/Flags: (0x%02x/0x%02x)\n", key, flags & 0xFF); - - /* return it */ - lirc_buffer_write(buf, &key); - return 0; -} - -static int add_to_buf_pixelview(void *data, struct lirc_buffer *buf) -{ - struct IR *ir = data; - unsigned char key; - - /* poll IR chip */ - if (1 != i2c_master_recv(&ir->c, &key, 1)) { - dprintk("read error\n"); - return -1; - } - dprintk("key %02x\n", key); - - /* return it */ - lirc_buffer_write(buf, &key); - return 0; -} - -static int add_to_buf_pv951(void *data, struct lirc_buffer *buf) -{ - struct IR *ir = data; - unsigned char key; - unsigned char codes[4]; - - /* poll IR chip */ - if (1 != i2c_master_recv(&ir->c, &key, 1)) { - dprintk("read error\n"); - return -ENODATA; - } - /* ignore 0xaa */ - if (key == 0xaa) - return -ENODATA; - dprintk("key %02x\n", key); - - codes[0] = 0x61; - codes[1] = 0xD6; - codes[2] = reverse(key, 8); - codes[3] = (~codes[2])&0xff; - - lirc_buffer_write(buf, codes); - return 0; -} - -static int add_to_buf_knc1(void *data, struct lirc_buffer *buf) -{ - static unsigned char last_key = 0xFF; - struct IR *ir = data; - unsigned char key; - - /* poll IR chip */ - if (1 != i2c_master_recv(&ir->c, &key, 1)) { - dprintk("read error\n"); - return -ENODATA; - } - - /* - * it seems that 0xFE indicates that a button is still held - * down, while 0xFF indicates that no button is held - * down. 0xFE sequences are sometimes interrupted by 0xFF - */ - - dprintk("key %02x\n", key); - - if (key == 0xFF) - return -ENODATA; - - if (key == 0xFE) - key = last_key; - - last_key = key; - lirc_buffer_write(buf, &key); - - return 0; -} - -static int set_use_inc(void *data) -{ - struct IR *ir = data; - - dprintk("%s called\n", __func__); - - /* lock bttv in memory while /dev/lirc is in use */ - i2c_use_client(&ir->c); - - return 0; -} - -static void set_use_dec(void *data) -{ - struct IR *ir = data; - - dprintk("%s called\n", __func__); - - i2c_release_client(&ir->c); -} - -static struct lirc_driver lirc_template = { - .name = "lirc_i2c", - .set_use_inc = set_use_inc, - .set_use_dec = set_use_dec, - .dev = NULL, - .owner = THIS_MODULE, -}; - -static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int ir_remove(struct i2c_client *client); -static int ir_command(struct i2c_client *client, unsigned int cmd, void *arg); - -static const struct i2c_device_id ir_receiver_id[] = { - /* Generic entry for any IR receiver */ - { "ir_video", 0 }, - /* IR device specific entries could be added here */ - { } -}; - -static struct i2c_driver driver = { - .driver = { - .owner = THIS_MODULE, - .name = "i2c ir driver", - }, - .probe = ir_probe, - .remove = ir_remove, - .id_table = ir_receiver_id, - .command = ir_command, -}; - -static void pcf_probe(struct i2c_client *client, struct IR *ir) -{ - int ret1, ret2, ret3, ret4; - - ret1 = i2c_smbus_write_byte(client, 0xff); - ret2 = i2c_smbus_read_byte(client); - ret3 = i2c_smbus_write_byte(client, 0x00); - ret4 = i2c_smbus_read_byte(client); - - /* in the Asus TV-Box: bit 1-0 */ - if (((ret2 & 0x03) == 0x03) && ((ret4 & 0x03) == 0x00)) { - ir->bits = (unsigned char) ~0x07; - ir->flag = 0x04; - /* in the Creative/VisionTek BreakOut-Box: bit 7-6 */ - } else if (((ret2 & 0xc0) == 0xc0) && ((ret4 & 0xc0) == 0x00)) { - ir->bits = (unsigned char) ~0xe0; - ir->flag = 0x20; - } - - return; -} - -static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) -{ - struct IR *ir; - struct i2c_adapter *adap = client->adapter; - unsigned short addr = client->addr; - int retval; - - ir = kzalloc(sizeof(struct IR), GFP_KERNEL); - if (!ir) - return -ENOMEM; - memcpy(&ir->l, &lirc_template, sizeof(struct lirc_driver)); - memcpy(&ir->c, client, sizeof(struct i2c_client)); - - i2c_set_clientdata(client, ir); - ir->l.data = ir; - ir->l.minor = minor; - ir->l.sample_rate = 10; - ir->l.dev = &ir->c.dev; - ir->nextkey = -1; - - switch (addr) { - case 0x64: - strlcpy(ir->c.name, "Pixelview IR", I2C_NAME_SIZE); - ir->l.code_length = 8; - ir->l.add_to_buf = add_to_buf_pixelview; - break; - case 0x4b: - strlcpy(ir->c.name, "PV951 IR", I2C_NAME_SIZE); - ir->l.code_length = 32; - ir->l.add_to_buf = add_to_buf_pv951; - break; - case 0x71: - if (adap->id == I2C_HW_B_CX2388x) - strlcpy(ir->c.name, "Hauppauge HVR1300", I2C_NAME_SIZE); - else /* bt8xx or cx2341x */ - /* - * The PVR150 IR receiver uses the same protocol as - * other Hauppauge cards, but the data flow is - * different, so we need to deal with it by its own. - */ - strlcpy(ir->c.name, "Hauppauge PVR150", I2C_NAME_SIZE); - ir->l.code_length = 13; - ir->l.add_to_buf = add_to_buf_haup_pvr150; - break; - case 0x6b: - strlcpy(ir->c.name, "Adaptec IR", I2C_NAME_SIZE); - ir->l.code_length = 32; - ir->l.add_to_buf = add_to_buf_adap; - break; - case 0x18: - case 0x1a: - if (adap->id == I2C_HW_B_CX2388x) { - strlcpy(ir->c.name, "Leadtek IR", I2C_NAME_SIZE); - ir->l.code_length = 8; - ir->l.add_to_buf = add_to_buf_pvr2000; - } else { /* bt8xx or cx2341x */ - strlcpy(ir->c.name, "Hauppauge IR", I2C_NAME_SIZE); - ir->l.code_length = 13; - ir->l.add_to_buf = add_to_buf_haup; - } - break; - case 0x30: - strlcpy(ir->c.name, "KNC ONE IR", I2C_NAME_SIZE); - ir->l.code_length = 8; - ir->l.add_to_buf = add_to_buf_knc1; - break; - case 0x21: - case 0x23: - pcf_probe(client, ir); - strlcpy(ir->c.name, "TV-Box IR", I2C_NAME_SIZE); - ir->l.code_length = 8; - ir->l.add_to_buf = add_to_buf_pcf8574; - break; - default: - /* shouldn't happen */ - printk("lirc_i2c: Huh? unknown i2c address (0x%02x)?\n", addr); - kfree(ir); - return -EINVAL; - } - printk(KERN_INFO "lirc_i2c: chip 0x%x found @ 0x%02x (%s)\n", - adap->id, addr, ir->c.name); - - retval = lirc_register_driver(&ir->l); - - if (retval < 0) { - printk(KERN_ERR "lirc_i2c: failed to register driver!\n"); - kfree(ir); - return retval; - } - - ir->l.minor = retval; - - return 0; -} - -static int ir_remove(struct i2c_client *client) -{ - struct IR *ir = i2c_get_clientdata(client); - - /* unregister device */ - lirc_unregister_driver(ir->l.minor); - - /* free memory */ - kfree(ir); - return 0; -} - -static int ir_command(struct i2c_client *client, unsigned int cmd, void *arg) -{ - /* nothing */ - return 0; -} - -static int __init lirc_i2c_init(void) -{ - i2c_add_driver(&driver); - return 0; -} - -static void __exit lirc_i2c_exit(void) -{ - i2c_del_driver(&driver); -} - -MODULE_DESCRIPTION("Infrared receiver driver for Hauppauge and " - "Pixelview cards (i2c stack)"); -MODULE_AUTHOR("Gerd Knorr, Michal Kochanowicz, Christoph Bartelmus, " - "Ulrich Mueller, Stefan Jahn, Jerome Brock"); -MODULE_LICENSE("GPL"); - -module_param(minor, int, S_IRUGO); -MODULE_PARM_DESC(minor, "Preferred minor device number"); - -module_param(debug, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Enable debugging messages"); - -module_init(lirc_i2c_init); -module_exit(lirc_i2c_exit); diff --git a/drivers/staging/lirc/lirc_zilog.c b/drivers/staging/lirc/lirc_zilog.c index f0076eb025f1..ad29bb1275ab 100644 --- a/drivers/staging/lirc/lirc_zilog.c +++ b/drivers/staging/lirc/lirc_zilog.c @@ -66,6 +66,7 @@ struct IR { /* Device info */ struct mutex ir_lock; int open; + bool is_hdpvr; /* RX device */ struct i2c_client c_rx; @@ -206,16 +207,12 @@ static int add_to_buf(struct IR *ir) } /* key pressed ? */ -#ifdef I2C_HW_B_HDPVR - if (ir->c_rx.adapter->id == I2C_HW_B_HDPVR) { + if (ir->is_hdpvr) { if (got_data && (keybuf[0] == 0x80)) return 0; else if (got_data && (keybuf[0] == 0x00)) return -ENODATA; } else if ((ir->b[0] & 0x80) == 0) -#else - if ((ir->b[0] & 0x80) == 0) -#endif return got_data ? 0 : -ENODATA; /* look what we have */ @@ -841,15 +838,15 @@ static int send_code(struct IR *ir, unsigned int code, unsigned int key) return ret < 0 ? ret : -EFAULT; } -#ifdef I2C_HW_B_HDPVR /* * The sleep bits aren't necessary on the HD PVR, and in fact, the * last i2c_master_recv always fails with a -5, so for now, we're * going to skip this whole mess and say we're done on the HD PVR */ - if (ir->c_rx.adapter->id == I2C_HW_B_HDPVR) - goto done; -#endif + if (ir->is_hdpvr) { + dprintk("sent code %u, key %u\n", code, key); + return 0; + } /* * This bit NAKs until the device is ready, so we retry it @@ -883,7 +880,6 @@ static int send_code(struct IR *ir, unsigned int code, unsigned int key) return -EFAULT; } -done: /* Oh good, it worked */ dprintk("sent code %u, key %u\n", code, key); return 0; @@ -1112,12 +1108,14 @@ static int ir_remove(struct i2c_client *client); static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id); static int ir_command(struct i2c_client *client, unsigned int cmd, void *arg); +#define ID_FLAG_TX 0x01 +#define ID_FLAG_HDPVR 0x02 + static const struct i2c_device_id ir_transceiver_id[] = { - /* Generic entry for any IR transceiver */ - { "ir_video", 0 }, - /* IR device specific entries should be added here */ - { "ir_tx_z8f0811_haup", 0 }, - { "ir_rx_z8f0811_haup", 0 }, + { "ir_tx_z8f0811_haup", ID_FLAG_TX }, + { "ir_rx_z8f0811_haup", 0 }, + { "ir_tx_z8f0811_hdpvr", ID_FLAG_HDPVR | ID_FLAG_TX }, + { "ir_rx_z8f0811_hdpvr", ID_FLAG_HDPVR }, { } }; @@ -1197,10 +1195,25 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) int ret; int have_rx = 0, have_tx = 0; - dprintk("%s: adapter id=0x%x, client addr=0x%02x\n", - __func__, adap->id, client->addr); + dprintk("%s: adapter name (%s) nr %d, i2c_device_id name (%s), " + "client addr=0x%02x\n", + __func__, adap->name, adap->nr, id->name, client->addr); /* + * FIXME - This probe function probes both the Tx and Rx + * addresses of the IR microcontroller. + * + * However, the I2C subsystem is passing along one I2C client at a + * time, based on matches to the ir_transceiver_id[] table above. + * The expectation is that each i2c_client address will be probed + * individually by drivers so the I2C subsystem can mark all client + * addresses as claimed or not. + * + * This probe routine causes only one of the client addresses, TX or RX, + * to be claimed. This will cause a problem if the I2C subsystem is + * subsequently triggered to probe unclaimed clients again. + */ + /* * The external IR receiver is at i2c address 0x71. * The IR transmitter is at 0x70. */ @@ -1242,6 +1255,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) mutex_init(&ir->ir_lock); mutex_init(&ir->buf_lock); ir->need_boot = 1; + ir->is_hdpvr = (id->driver_data & ID_FLAG_HDPVR) ? true : false; memcpy(&ir->l, &lirc_template, sizeof(struct lirc_driver)); ir->l.minor = -1; diff --git a/drivers/staging/se401/Kconfig b/drivers/staging/se401/Kconfig new file mode 100644 index 000000000000..b7f8222ad21b --- /dev/null +++ b/drivers/staging/se401/Kconfig @@ -0,0 +1,13 @@ +config USB_SE401 + tristate "USB SE401 Camera support (DEPRECATED)" + depends on VIDEO_DEV && VIDEO_V4L2_COMMON && USB + ---help--- + Say Y here if you want to connect this type of camera to your + computer's USB port. See <file:Documentation/video4linux/se401.txt> + for more information and for a list of supported cameras. + + This driver uses the deprecated V4L1 API and will be removed in + 2.6.39, unless someone converts it to the V4L2 API. + + To compile this driver as a module, choose M here: the + module will be called se401. diff --git a/drivers/staging/se401/Makefile b/drivers/staging/se401/Makefile new file mode 100644 index 000000000000..b465d49783af --- /dev/null +++ b/drivers/staging/se401/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_USB_SE401) += se401.o diff --git a/drivers/staging/se401/TODO b/drivers/staging/se401/TODO new file mode 100644 index 000000000000..3b2c03836286 --- /dev/null +++ b/drivers/staging/se401/TODO @@ -0,0 +1,5 @@ +This is an obsolete driver for some old webcams that still use V4L1 API. +As V4L1 support is being removed from kernel, if nobody take care on it, +the driver will be removed for 2.6.39. + +Please send patches to linux-media@vger.kernel.org diff --git a/drivers/staging/se401/se401.c b/drivers/staging/se401/se401.c new file mode 100644 index 000000000000..41360d7c3e96 --- /dev/null +++ b/drivers/staging/se401/se401.c @@ -0,0 +1,1492 @@ +/* + * Endpoints (formerly known as AOX) se401 USB Camera Driver + * + * Copyright (c) 2000 Jeroen B. Vreeken (pe1rxq@amsat.org) + * + * Still somewhat based on the Linux ov511 driver. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * Thanks to Endpoints Inc. (www.endpoints.com) for making documentation on + * their chipset available and supporting me while writing this driver. + * - Jeroen Vreeken + */ + +static const char version[] = "0.24"; + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/vmalloc.h> +#include <linux/slab.h> +#include <linux/pagemap.h> +#include <linux/usb.h> +#include "se401.h" + +static int flickerless; +static int video_nr = -1; + +static struct usb_device_id device_table[] = { + { USB_DEVICE(0x03e8, 0x0004) },/* Endpoints/Aox SE401 */ + { USB_DEVICE(0x0471, 0x030b) },/* Philips PCVC665K */ + { USB_DEVICE(0x047d, 0x5001) },/* Kensington 67014 */ + { USB_DEVICE(0x047d, 0x5002) },/* Kensington 6701(5/7) */ + { USB_DEVICE(0x047d, 0x5003) },/* Kensington 67016 */ + { } +}; + +MODULE_DEVICE_TABLE(usb, device_table); + +MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>"); +MODULE_DESCRIPTION("SE401 USB Camera Driver"); +MODULE_LICENSE("GPL"); +module_param(flickerless, int, 0); +MODULE_PARM_DESC(flickerless, + "Net frequency to adjust exposure time to (0/50/60)"); +module_param(video_nr, int, 0); + +static struct usb_driver se401_driver; + + +/********************************************************************** + * + * Memory management + * + **********************************************************************/ +static void *rvmalloc(unsigned long size) +{ + void *mem; + unsigned long adr; + + size = PAGE_ALIGN(size); + mem = vmalloc_32(size); + if (!mem) + return NULL; + + memset(mem, 0, size); /* Clear the ram out, no junk to the user */ + adr = (unsigned long) mem; + while (size > 0) { + SetPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + + return mem; +} + +static void rvfree(void *mem, unsigned long size) +{ + unsigned long adr; + + if (!mem) + return; + + adr = (unsigned long) mem; + while ((long) size > 0) { + ClearPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + vfree(mem); +} + + + +/**************************************************************************** + * + * se401 register read/write functions + * + ***************************************************************************/ + +static int se401_sndctrl(int set, struct usb_se401 *se401, unsigned short req, + unsigned short value, unsigned char *cp, int size) +{ + return usb_control_msg( + se401->dev, + set ? usb_sndctrlpipe(se401->dev, 0) : usb_rcvctrlpipe(se401->dev, 0), + req, + (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, + 0, + cp, + size, + 1000 + ); +} + +static int se401_set_feature(struct usb_se401 *se401, unsigned short selector, + unsigned short param) +{ + /* specs say that the selector (address) should go in the value field + and the param in index, but in the logs of the windows driver they do + this the other way around... + */ + return usb_control_msg( + se401->dev, + usb_sndctrlpipe(se401->dev, 0), + SE401_REQ_SET_EXT_FEATURE, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + param, + selector, + NULL, + 0, + 1000 + ); +} + +static unsigned short se401_get_feature(struct usb_se401 *se401, + unsigned short selector) +{ + /* For 'set' the selecetor should be in index, not sure if the spec is + wrong here to.... + */ + unsigned char cp[2]; + usb_control_msg( + se401->dev, + usb_rcvctrlpipe(se401->dev, 0), + SE401_REQ_GET_EXT_FEATURE, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, + selector, + cp, + 2, + 1000 + ); + return cp[0]+cp[1]*256; +} + +/**************************************************************************** + * + * Camera control + * + ***************************************************************************/ + + +static int se401_send_pict(struct usb_se401 *se401) +{ + /* integration time low */ + se401_set_feature(se401, HV7131_REG_TITL, se401->expose_l); + /* integration time mid */ + se401_set_feature(se401, HV7131_REG_TITM, se401->expose_m); + /* integration time mid */ + se401_set_feature(se401, HV7131_REG_TITU, se401->expose_h); + /* reset level value */ + se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel); + /* red color gain */ + se401_set_feature(se401, HV7131_REG_ARCG, se401->rgain); + /* green color gain */ + se401_set_feature(se401, HV7131_REG_AGCG, se401->ggain); + /* blue color gain */ + se401_set_feature(se401, HV7131_REG_ABCG, se401->bgain); + + return 0; +} + +static void se401_set_exposure(struct usb_se401 *se401, int brightness) +{ + int integration = brightness << 5; + + if (flickerless == 50) + integration = integration-integration % 106667; + if (flickerless == 60) + integration = integration-integration % 88889; + se401->brightness = integration >> 5; + se401->expose_h = (integration >> 16) & 0xff; + se401->expose_m = (integration >> 8) & 0xff; + se401->expose_l = integration & 0xff; +} + +static int se401_get_pict(struct usb_se401 *se401, struct video_picture *p) +{ + p->brightness = se401->brightness; + if (se401->enhance) + p->whiteness = 32768; + else + p->whiteness = 0; + + p->colour = 65535; + p->contrast = 65535; + p->hue = se401->rgain << 10; + p->palette = se401->palette; + p->depth = 3; /* rgb24 */ + return 0; +} + + +static int se401_set_pict(struct usb_se401 *se401, struct video_picture *p) +{ + if (p->palette != VIDEO_PALETTE_RGB24) + return 1; + se401->palette = p->palette; + if (p->hue != se401->hue) { + se401->rgain = p->hue >> 10; + se401->bgain = 0x40-(p->hue >> 10); + se401->hue = p->hue; + } + if (p->brightness != se401->brightness) + se401_set_exposure(se401, p->brightness); + + if (p->whiteness >= 32768) + se401->enhance = 1; + else + se401->enhance = 0; + se401_send_pict(se401); + se401_send_pict(se401); + return 0; +} + +/* + Hyundai have some really nice docs about this and other sensor related + stuff on their homepage: www.hei.co.kr +*/ +static void se401_auto_resetlevel(struct usb_se401 *se401) +{ + unsigned int ahrc, alrc; + int oldreset = se401->resetlevel; + + /* For some reason this normally read-only register doesn't get reset + to zero after reading them just once... + */ + se401_get_feature(se401, HV7131_REG_HIREFNOH); + se401_get_feature(se401, HV7131_REG_HIREFNOL); + se401_get_feature(se401, HV7131_REG_LOREFNOH); + se401_get_feature(se401, HV7131_REG_LOREFNOL); + ahrc = 256*se401_get_feature(se401, HV7131_REG_HIREFNOH) + + se401_get_feature(se401, HV7131_REG_HIREFNOL); + alrc = 256*se401_get_feature(se401, HV7131_REG_LOREFNOH) + + se401_get_feature(se401, HV7131_REG_LOREFNOL); + + /* Not an exact science, but it seems to work pretty well... */ + if (alrc > 10) { + while (alrc >= 10 && se401->resetlevel < 63) { + se401->resetlevel++; + alrc /= 2; + } + } else if (ahrc > 20) { + while (ahrc >= 20 && se401->resetlevel > 0) { + se401->resetlevel--; + ahrc /= 2; + } + } + if (se401->resetlevel != oldreset) + se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel); + + return; +} + +/* irq handler for snapshot button */ +static void se401_button_irq(struct urb *urb) +{ + struct usb_se401 *se401 = urb->context; + int status; + + if (!se401->dev) { + dev_info(&urb->dev->dev, "device vapourished\n"); + return; + } + + switch (urb->status) { + case 0: + /* success */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* this urb is terminated, clean up */ + dbg("%s - urb shutting down with status: %d", + __func__, urb->status); + return; + default: + dbg("%s - nonzero urb status received: %d", + __func__, urb->status); + goto exit; + } + + if (urb->actual_length >= 2) + if (se401->button) + se401->buttonpressed = 1; +exit: + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status) + err("%s - usb_submit_urb failed with result %d", + __func__, status); +} + +static void se401_video_irq(struct urb *urb) +{ + struct usb_se401 *se401 = urb->context; + int length = urb->actual_length; + + /* ohoh... */ + if (!se401->streaming) + return; + + if (!se401->dev) { + dev_info(&urb->dev->dev, "device vapourished\n"); + return; + } + + /* 0 sized packets happen if we are to fast, but sometimes the camera + keeps sending them forever... + */ + if (length && !urb->status) { + se401->nullpackets = 0; + switch (se401->scratch[se401->scratch_next].state) { + case BUFFER_READY: + case BUFFER_BUSY: + se401->dropped++; + break; + case BUFFER_UNUSED: + memcpy(se401->scratch[se401->scratch_next].data, + (unsigned char *)urb->transfer_buffer, length); + se401->scratch[se401->scratch_next].state + = BUFFER_READY; + se401->scratch[se401->scratch_next].offset + = se401->bayeroffset; + se401->scratch[se401->scratch_next].length = length; + if (waitqueue_active(&se401->wq)) + wake_up_interruptible(&se401->wq); + se401->scratch_overflow = 0; + se401->scratch_next++; + if (se401->scratch_next >= SE401_NUMSCRATCH) + se401->scratch_next = 0; + break; + } + se401->bayeroffset += length; + if (se401->bayeroffset >= se401->cheight * se401->cwidth) + se401->bayeroffset = 0; + } else { + se401->nullpackets++; + if (se401->nullpackets > SE401_MAX_NULLPACKETS) + if (waitqueue_active(&se401->wq)) + wake_up_interruptible(&se401->wq); + } + + /* Resubmit urb for new data */ + urb->status = 0; + urb->dev = se401->dev; + if (usb_submit_urb(urb, GFP_KERNEL)) + dev_info(&urb->dev->dev, "urb burned down\n"); + return; +} + +static void se401_send_size(struct usb_se401 *se401, int width, int height) +{ + int i = 0; + int mode = 0x03; /* No compression */ + int sendheight = height; + int sendwidth = width; + + /* JangGu compression can only be used with the camera supported sizes, + but bayer seems to work with any size that fits on the sensor. + We check if we can use compression with the current size with either + 4 or 16 times subcapturing, if not we use uncompressed bayer data + but this will result in cutouts of the maximum size.... + */ + while (i < se401->sizes && !(se401->width[i] == width && + se401->height[i] == height)) + i++; + while (i < se401->sizes) { + if (se401->width[i] == width * 2 && + se401->height[i] == height * 2) { + sendheight = se401->height[i]; + sendwidth = se401->width[i]; + mode = 0x40; + } + if (se401->width[i] == width * 4 && + se401->height[i] == height * 4) { + sendheight = se401->height[i]; + sendwidth = se401->width[i]; + mode = 0x42; + } + i++; + } + + se401_sndctrl(1, se401, SE401_REQ_SET_WIDTH, sendwidth, NULL, 0); + se401_sndctrl(1, se401, SE401_REQ_SET_HEIGHT, sendheight, NULL, 0); + se401_set_feature(se401, SE401_OPERATINGMODE, mode); + + if (mode == 0x03) + se401->format = FMT_BAYER; + else + se401->format = FMT_JANGGU; +} + +/* + In this function se401_send_pict is called several times, + for some reason (depending on the state of the sensor and the phase of + the moon :) doing this only in either place doesn't always work... +*/ +static int se401_start_stream(struct usb_se401 *se401) +{ + struct urb *urb; + int err = 0, i; + se401->streaming = 1; + + se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 1, NULL, 0); + se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0); + + /* Set picture settings */ + /* windowed + pix intg */ + se401_set_feature(se401, HV7131_REG_MODE_B, 0x05); + se401_send_pict(se401); + + se401_send_size(se401, se401->cwidth, se401->cheight); + + se401_sndctrl(1, se401, SE401_REQ_START_CONTINUOUS_CAPTURE, + 0, NULL, 0); + + /* Do some memory allocation */ + for (i = 0; i < SE401_NUMFRAMES; i++) { + se401->frame[i].data = se401->fbuf + i * se401->maxframesize; + se401->frame[i].curpix = 0; + } + for (i = 0; i < SE401_NUMSBUF; i++) { + se401->sbuf[i].data = kmalloc(SE401_PACKETSIZE, GFP_KERNEL); + if (!se401->sbuf[i].data) { + for (i = i - 1; i >= 0; i--) { + kfree(se401->sbuf[i].data); + se401->sbuf[i].data = NULL; + } + return -ENOMEM; + } + } + + se401->bayeroffset = 0; + se401->scratch_next = 0; + se401->scratch_use = 0; + se401->scratch_overflow = 0; + for (i = 0; i < SE401_NUMSCRATCH; i++) { + se401->scratch[i].data = kmalloc(SE401_PACKETSIZE, GFP_KERNEL); + if (!se401->scratch[i].data) { + for (i = i - 1; i >= 0; i--) { + kfree(se401->scratch[i].data); + se401->scratch[i].data = NULL; + } + goto nomem_sbuf; + } + se401->scratch[i].state = BUFFER_UNUSED; + } + + for (i = 0; i < SE401_NUMSBUF; i++) { + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) { + for (i = i - 1; i >= 0; i--) { + usb_kill_urb(se401->urb[i]); + usb_free_urb(se401->urb[i]); + se401->urb[i] = NULL; + } + goto nomem_scratch; + } + + usb_fill_bulk_urb(urb, se401->dev, + usb_rcvbulkpipe(se401->dev, SE401_VIDEO_ENDPOINT), + se401->sbuf[i].data, SE401_PACKETSIZE, + se401_video_irq, + se401); + + se401->urb[i] = urb; + + err = usb_submit_urb(se401->urb[i], GFP_KERNEL); + if (err) + err("urb burned down"); + } + + se401->framecount = 0; + + return 0; + + nomem_scratch: + for (i = 0; i < SE401_NUMSCRATCH; i++) { + kfree(se401->scratch[i].data); + se401->scratch[i].data = NULL; + } + nomem_sbuf: + for (i = 0; i < SE401_NUMSBUF; i++) { + kfree(se401->sbuf[i].data); + se401->sbuf[i].data = NULL; + } + return -ENOMEM; +} + +static int se401_stop_stream(struct usb_se401 *se401) +{ + int i; + + if (!se401->streaming || !se401->dev) + return 1; + + se401->streaming = 0; + + se401_sndctrl(1, se401, SE401_REQ_STOP_CONTINUOUS_CAPTURE, 0, NULL, 0); + + se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 0, NULL, 0); + se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 0, NULL, 0); + + for (i = 0; i < SE401_NUMSBUF; i++) + if (se401->urb[i]) { + usb_kill_urb(se401->urb[i]); + usb_free_urb(se401->urb[i]); + se401->urb[i] = NULL; + kfree(se401->sbuf[i].data); + } + for (i = 0; i < SE401_NUMSCRATCH; i++) { + kfree(se401->scratch[i].data); + se401->scratch[i].data = NULL; + } + + return 0; +} + +static int se401_set_size(struct usb_se401 *se401, int width, int height) +{ + int wasstreaming = se401->streaming; + /* Check to see if we need to change */ + if (se401->cwidth == width && se401->cheight == height) + return 0; + + /* Check for a valid mode */ + if (!width || !height) + return 1; + if ((width & 1) || (height & 1)) + return 1; + if (width > se401->width[se401->sizes-1]) + return 1; + if (height > se401->height[se401->sizes-1]) + return 1; + + /* Stop a current stream and start it again at the new size */ + if (wasstreaming) + se401_stop_stream(se401); + se401->cwidth = width; + se401->cheight = height; + if (wasstreaming) + se401_start_stream(se401); + return 0; +} + + +/**************************************************************************** + * + * Video Decoding + * + ***************************************************************************/ + +/* + This shouldn't really be done in a v4l driver.... + But it does make the image look a lot more usable. + Basically it lifts the dark pixels more than the light pixels. +*/ +static inline void enhance_picture(unsigned char *frame, int len) +{ + while (len--) { + *frame = (((*frame^255)*(*frame^255))/255)^255; + frame++; + } +} + +static inline void decode_JangGu_integrate(struct usb_se401 *se401, int data) +{ + struct se401_frame *frame = &se401->frame[se401->curframe]; + int linelength = se401->cwidth * 3; + + if (frame->curlinepix >= linelength) { + frame->curlinepix = 0; + frame->curline += linelength; + } + + /* First three are absolute, all others relative. + * Format is rgb from right to left (mirrorred image), + * we flip it to get bgr from left to right. */ + if (frame->curlinepix < 3) + *(frame->curline-frame->curlinepix) = 1 + data * 4; + else + *(frame->curline-frame->curlinepix) = + *(frame->curline-frame->curlinepix + 3) + data * 4; + frame->curlinepix++; +} + +static inline void decode_JangGu_vlc(struct usb_se401 *se401, + unsigned char *data, int bit_exp, int packetlength) +{ + int pos = 0; + int vlc_cod = 0; + int vlc_size = 0; + int vlc_data = 0; + int bit_cur; + int bit; + data += 4; + while (pos < packetlength) { + bit_cur = 8; + while (bit_cur && bit_exp) { + bit = ((*data) >> (bit_cur-1))&1; + if (!vlc_cod) { + if (bit) { + vlc_size++; + } else { + if (!vlc_size) + decode_JangGu_integrate(se401, 0); + else { + vlc_cod = 2; + vlc_data = 0; + } + } + } else { + if (vlc_cod == 2) { + if (!bit) + vlc_data = -(1 << vlc_size) + 1; + vlc_cod--; + } + vlc_size--; + vlc_data += bit << vlc_size; + if (!vlc_size) { + decode_JangGu_integrate(se401, vlc_data); + vlc_cod = 0; + } + } + bit_cur--; + bit_exp--; + } + pos++; + data++; + } +} + +static inline void decode_JangGu(struct usb_se401 *se401, + struct se401_scratch *buffer) +{ + unsigned char *data = buffer->data; + int len = buffer->length; + int bit_exp = 0, pix_exp = 0, frameinfo = 0, packetlength = 0, size; + int datapos = 0; + + /* New image? */ + if (!se401->frame[se401->curframe].curpix) { + se401->frame[se401->curframe].curlinepix = 0; + se401->frame[se401->curframe].curline = + se401->frame[se401->curframe].data+ + se401->cwidth * 3 - 1; + if (se401->frame[se401->curframe].grabstate == FRAME_READY) + se401->frame[se401->curframe].grabstate = FRAME_GRABBING; + se401->vlcdatapos = 0; + } + while (datapos < len) { + size = 1024 - se401->vlcdatapos; + if (size+datapos > len) + size = len-datapos; + memcpy(se401->vlcdata+se401->vlcdatapos, data+datapos, size); + se401->vlcdatapos += size; + packetlength = 0; + if (se401->vlcdatapos >= 4) { + bit_exp = se401->vlcdata[3] + (se401->vlcdata[2] << 8); + pix_exp = se401->vlcdata[1] + + ((se401->vlcdata[0] & 0x3f) << 8); + frameinfo = se401->vlcdata[0] & 0xc0; + packetlength = ((bit_exp + 47) >> 4) << 1; + if (packetlength > 1024) { + se401->vlcdatapos = 0; + datapos = len; + packetlength = 0; + se401->error++; + se401->frame[se401->curframe].curpix = 0; + } + } + if (packetlength && se401->vlcdatapos >= packetlength) { + decode_JangGu_vlc(se401, se401->vlcdata, bit_exp, + packetlength); + se401->frame[se401->curframe].curpix += pix_exp * 3; + datapos += size-(se401->vlcdatapos-packetlength); + se401->vlcdatapos = 0; + if (se401->frame[se401->curframe].curpix >= se401->cwidth * se401->cheight * 3) { + if (se401->frame[se401->curframe].curpix == se401->cwidth * se401->cheight * 3) { + if (se401->frame[se401->curframe].grabstate == FRAME_GRABBING) { + se401->frame[se401->curframe].grabstate = FRAME_DONE; + se401->framecount++; + se401->readcount++; + } + if (se401->frame[(se401->curframe + 1) & (SE401_NUMFRAMES - 1)].grabstate == FRAME_READY) + se401->curframe = (se401->curframe + 1) & (SE401_NUMFRAMES - 1); + } else + se401->error++; + se401->frame[se401->curframe].curpix = 0; + datapos = len; + } + } else + datapos += size; + } +} + +static inline void decode_bayer(struct usb_se401 *se401, + struct se401_scratch *buffer) +{ + unsigned char *data = buffer->data; + int len = buffer->length; + int offset = buffer->offset; + int datasize = se401->cwidth * se401->cheight; + struct se401_frame *frame = &se401->frame[se401->curframe]; + unsigned char *framedata = frame->data, *curline, *nextline; + int width = se401->cwidth; + int blineoffset = 0, bline; + int linelength = width * 3, i; + + + if (frame->curpix == 0) { + if (frame->grabstate == FRAME_READY) + frame->grabstate = FRAME_GRABBING; + + frame->curline = framedata + linelength; + frame->curlinepix = 0; + } + + if (offset != frame->curpix) { + /* Regard frame as lost :( */ + frame->curpix = 0; + se401->error++; + return; + } + + /* Check if we have to much data */ + if (frame->curpix + len > datasize) + len = datasize-frame->curpix; + + if (se401->cheight % 4) + blineoffset = 1; + bline = frame->curpix / se401->cwidth+blineoffset; + + curline = frame->curline; + nextline = curline + linelength; + if (nextline >= framedata+datasize * 3) + nextline = curline; + while (len) { + if (frame->curlinepix >= width) { + frame->curlinepix -= width; + bline = frame->curpix / width + blineoffset; + curline += linelength*2; + nextline += linelength*2; + if (curline >= framedata+datasize * 3) { + frame->curlinepix++; + curline -= 3; + nextline -= 3; + len--; + data++; + frame->curpix++; + } + if (nextline >= framedata+datasize*3) + nextline = curline; + } + if (bline & 1) { + if (frame->curlinepix & 1) { + *(curline + 2) = *data; + *(curline - 1) = *data; + *(nextline + 2) = *data; + *(nextline - 1) = *data; + } else { + *(curline + 1) = + (*(curline + 1) + *data) / 2; + *(curline-2) = + (*(curline - 2) + *data) / 2; + *(nextline + 1) = *data; + *(nextline - 2) = *data; + } + } else { + if (frame->curlinepix & 1) { + *(curline + 1) = + (*(curline + 1) + *data) / 2; + *(curline - 2) = + (*(curline - 2) + *data) / 2; + *(nextline + 1) = *data; + *(nextline - 2) = *data; + } else { + *curline = *data; + *(curline - 3) = *data; + *nextline = *data; + *(nextline - 3) = *data; + } + } + frame->curlinepix++; + curline -= 3; + nextline -= 3; + len--; + data++; + frame->curpix++; + } + frame->curline = curline; + + if (frame->curpix >= datasize) { + /* Fix the top line */ + framedata += linelength; + for (i = 0; i < linelength; i++) { + framedata--; + *framedata = *(framedata + linelength); + } + /* Fix the left side (green is already present) */ + for (i = 0; i < se401->cheight; i++) { + *framedata = *(framedata + 3); + *(framedata + 1) = *(framedata + 4); + *(framedata + 2) = *(framedata + 5); + framedata += linelength; + } + frame->curpix = 0; + frame->grabstate = FRAME_DONE; + se401->framecount++; + se401->readcount++; + if (se401->frame[(se401->curframe + 1) & + (SE401_NUMFRAMES - 1)].grabstate == FRAME_READY) { + se401->curframe = (se401->curframe+1) & + (SE401_NUMFRAMES-1); + } + } +} + +static int se401_newframe(struct usb_se401 *se401, int framenr) +{ + DECLARE_WAITQUEUE(wait, current); + int errors = 0; + + while (se401->streaming && + (se401->frame[framenr].grabstate == FRAME_READY || + se401->frame[framenr].grabstate == FRAME_GRABBING)) { + if (!se401->frame[framenr].curpix) + errors++; + + wait_interruptible( + se401->scratch[se401->scratch_use].state != BUFFER_READY, + &se401->wq, &wait); + if (se401->nullpackets > SE401_MAX_NULLPACKETS) { + se401->nullpackets = 0; + dev_info(&se401->dev->dev, + "too many null length packets, restarting capture\n"); + se401_stop_stream(se401); + se401_start_stream(se401); + } else { + if (se401->scratch[se401->scratch_use].state != + BUFFER_READY) { + se401->frame[framenr].grabstate = FRAME_ERROR; + return -EIO; + } + se401->scratch[se401->scratch_use].state = BUFFER_BUSY; + if (se401->format == FMT_JANGGU) + decode_JangGu(se401, + &se401->scratch[se401->scratch_use]); + else + decode_bayer(se401, + &se401->scratch[se401->scratch_use]); + + se401->scratch[se401->scratch_use].state = + BUFFER_UNUSED; + se401->scratch_use++; + if (se401->scratch_use >= SE401_NUMSCRATCH) + se401->scratch_use = 0; + if (errors > SE401_MAX_ERRORS) { + errors = 0; + dev_info(&se401->dev->dev, + "too many errors, restarting capture\n"); + se401_stop_stream(se401); + se401_start_stream(se401); + } + } + } + + if (se401->frame[framenr].grabstate == FRAME_DONE) + if (se401->enhance) + enhance_picture(se401->frame[framenr].data, + se401->cheight * se401->cwidth * 3); + return 0; +} + +static void usb_se401_remove_disconnected(struct usb_se401 *se401) +{ + int i; + + se401->dev = NULL; + + for (i = 0; i < SE401_NUMSBUF; i++) + if (se401->urb[i]) { + usb_kill_urb(se401->urb[i]); + usb_free_urb(se401->urb[i]); + se401->urb[i] = NULL; + kfree(se401->sbuf[i].data); + } + + for (i = 0; i < SE401_NUMSCRATCH; i++) + kfree(se401->scratch[i].data); + + if (se401->inturb) { + usb_kill_urb(se401->inturb); + usb_free_urb(se401->inturb); + } + dev_info(&se401->dev->dev, "%s disconnected", se401->camera_name); + + /* Free the memory */ + kfree(se401->width); + kfree(se401->height); + kfree(se401); +} + + + +/**************************************************************************** + * + * Video4Linux + * + ***************************************************************************/ + + +static int se401_open(struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct usb_se401 *se401 = (struct usb_se401 *)dev; + int err = 0; + + mutex_lock(&se401->lock); + if (se401->user) { + mutex_unlock(&se401->lock); + return -EBUSY; + } + se401->fbuf = rvmalloc(se401->maxframesize * SE401_NUMFRAMES); + if (se401->fbuf) + file->private_data = dev; + else + err = -ENOMEM; + se401->user = !err; + mutex_unlock(&se401->lock); + + return err; +} + +static int se401_close(struct file *file) +{ + struct video_device *dev = file->private_data; + struct usb_se401 *se401 = (struct usb_se401 *)dev; + int i; + + rvfree(se401->fbuf, se401->maxframesize * SE401_NUMFRAMES); + if (se401->removed) { + dev_info(&se401->dev->dev, "device unregistered\n"); + usb_se401_remove_disconnected(se401); + } else { + for (i = 0; i < SE401_NUMFRAMES; i++) + se401->frame[i].grabstate = FRAME_UNUSED; + if (se401->streaming) + se401_stop_stream(se401); + se401->user = 0; + } + file->private_data = NULL; + return 0; +} + +static long se401_do_ioctl(struct file *file, unsigned int cmd, void *arg) +{ + struct video_device *vdev = file->private_data; + struct usb_se401 *se401 = (struct usb_se401 *)vdev; + + if (!se401->dev) + return -EIO; + + switch (cmd) { + case VIDIOCGCAP: + { + struct video_capability *b = arg; + strcpy(b->name, se401->camera_name); + b->type = VID_TYPE_CAPTURE; + b->channels = 1; + b->audios = 0; + b->maxwidth = se401->width[se401->sizes-1]; + b->maxheight = se401->height[se401->sizes-1]; + b->minwidth = se401->width[0]; + b->minheight = se401->height[0]; + return 0; + } + case VIDIOCGCHAN: + { + struct video_channel *v = arg; + + if (v->channel != 0) + return -EINVAL; + v->flags = 0; + v->tuners = 0; + v->type = VIDEO_TYPE_CAMERA; + strcpy(v->name, "Camera"); + return 0; + } + case VIDIOCSCHAN: + { + struct video_channel *v = arg; + + if (v->channel != 0) + return -EINVAL; + return 0; + } + case VIDIOCGPICT: + { + struct video_picture *p = arg; + + se401_get_pict(se401, p); + return 0; + } + case VIDIOCSPICT: + { + struct video_picture *p = arg; + + if (se401_set_pict(se401, p)) + return -EINVAL; + return 0; + } + case VIDIOCSWIN: + { + struct video_window *vw = arg; + + if (vw->flags) + return -EINVAL; + if (vw->clipcount) + return -EINVAL; + if (se401_set_size(se401, vw->width, vw->height)) + return -EINVAL; + return 0; + } + case VIDIOCGWIN: + { + struct video_window *vw = arg; + + vw->x = 0; /* FIXME */ + vw->y = 0; + vw->chromakey = 0; + vw->flags = 0; + vw->clipcount = 0; + vw->width = se401->cwidth; + vw->height = se401->cheight; + return 0; + } + case VIDIOCGMBUF: + { + struct video_mbuf *vm = arg; + int i; + + memset(vm, 0, sizeof(*vm)); + vm->size = SE401_NUMFRAMES * se401->maxframesize; + vm->frames = SE401_NUMFRAMES; + for (i = 0; i < SE401_NUMFRAMES; i++) + vm->offsets[i] = se401->maxframesize * i; + return 0; + } + case VIDIOCMCAPTURE: + { + struct video_mmap *vm = arg; + + if (vm->format != VIDEO_PALETTE_RGB24) + return -EINVAL; + if (vm->frame >= SE401_NUMFRAMES) + return -EINVAL; + if (se401->frame[vm->frame].grabstate != FRAME_UNUSED) + return -EBUSY; + + /* Is this according to the v4l spec??? */ + if (se401_set_size(se401, vm->width, vm->height)) + return -EINVAL; + se401->frame[vm->frame].grabstate = FRAME_READY; + + if (!se401->streaming) + se401_start_stream(se401); + + /* Set the picture properties */ + if (se401->framecount == 0) + se401_send_pict(se401); + /* Calibrate the reset level after a few frames. */ + if (se401->framecount % 20 == 1) + se401_auto_resetlevel(se401); + + return 0; + } + case VIDIOCSYNC: + { + int *frame = arg; + int ret = 0; + + if (*frame < 0 || *frame >= SE401_NUMFRAMES) + return -EINVAL; + + ret = se401_newframe(se401, *frame); + se401->frame[*frame].grabstate = FRAME_UNUSED; + return ret; + } + case VIDIOCGFBUF: + { + struct video_buffer *vb = arg; + + memset(vb, 0, sizeof(*vb)); + return 0; + } + case VIDIOCKEY: + return 0; + case VIDIOCCAPTURE: + return -EINVAL; + case VIDIOCSFBUF: + return -EINVAL; + case VIDIOCGTUNER: + case VIDIOCSTUNER: + return -EINVAL; + case VIDIOCGFREQ: + case VIDIOCSFREQ: + return -EINVAL; + case VIDIOCGAUDIO: + case VIDIOCSAUDIO: + return -EINVAL; + default: + return -ENOIOCTLCMD; + } /* end switch */ + + return 0; +} + +static long se401_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(file, cmd, arg, se401_do_ioctl); +} + +static ssize_t se401_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + int realcount = count, ret = 0; + struct video_device *dev = file->private_data; + struct usb_se401 *se401 = (struct usb_se401 *)dev; + + + if (se401->dev == NULL) + return -EIO; + if (realcount > se401->cwidth*se401->cheight*3) + realcount = se401->cwidth*se401->cheight*3; + + /* Shouldn't happen: */ + if (se401->frame[0].grabstate == FRAME_GRABBING) + return -EBUSY; + se401->frame[0].grabstate = FRAME_READY; + se401->frame[1].grabstate = FRAME_UNUSED; + se401->curframe = 0; + + if (!se401->streaming) + se401_start_stream(se401); + + /* Set the picture properties */ + if (se401->framecount == 0) + se401_send_pict(se401); + /* Calibrate the reset level after a few frames. */ + if (se401->framecount%20 == 1) + se401_auto_resetlevel(se401); + + ret = se401_newframe(se401, 0); + + se401->frame[0].grabstate = FRAME_UNUSED; + if (ret) + return ret; + if (copy_to_user(buf, se401->frame[0].data, realcount)) + return -EFAULT; + + return realcount; +} + +static int se401_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct video_device *dev = file->private_data; + struct usb_se401 *se401 = (struct usb_se401 *)dev; + unsigned long start = vma->vm_start; + unsigned long size = vma->vm_end-vma->vm_start; + unsigned long page, pos; + + mutex_lock(&se401->lock); + + if (se401->dev == NULL) { + mutex_unlock(&se401->lock); + return -EIO; + } + if (size > (((SE401_NUMFRAMES * se401->maxframesize) + PAGE_SIZE - 1) + & ~(PAGE_SIZE - 1))) { + mutex_unlock(&se401->lock); + return -EINVAL; + } + pos = (unsigned long)se401->fbuf; + while (size > 0) { + page = vmalloc_to_pfn((void *)pos); + if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { + mutex_unlock(&se401->lock); + return -EAGAIN; + } + start += PAGE_SIZE; + pos += PAGE_SIZE; + if (size > PAGE_SIZE) + size -= PAGE_SIZE; + else + size = 0; + } + mutex_unlock(&se401->lock); + + return 0; +} + +static const struct v4l2_file_operations se401_fops = { + .owner = THIS_MODULE, + .open = se401_open, + .release = se401_close, + .read = se401_read, + .mmap = se401_mmap, + .ioctl = se401_ioctl, +}; +static struct video_device se401_template = { + .name = "se401 USB camera", + .fops = &se401_fops, + .release = video_device_release_empty, +}; + + + +/***************************/ +static int se401_init(struct usb_se401 *se401, int button) +{ + int i = 0, rc; + unsigned char cp[0x40]; + char temp[200]; + int slen; + + /* led on */ + se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0); + + /* get camera descriptor */ + rc = se401_sndctrl(0, se401, SE401_REQ_GET_CAMERA_DESCRIPTOR, 0, + cp, sizeof(cp)); + if (cp[1] != 0x41) { + err("Wrong descriptor type"); + return 1; + } + slen = snprintf(temp, 200, "ExtraFeatures: %d", cp[3]); + + se401->sizes = cp[4] + cp[5] * 256; + se401->width = kmalloc(se401->sizes*sizeof(int), GFP_KERNEL); + if (!se401->width) + return 1; + se401->height = kmalloc(se401->sizes*sizeof(int), GFP_KERNEL); + if (!se401->height) { + kfree(se401->width); + return 1; + } + for (i = 0; i < se401->sizes; i++) { + se401->width[i] = cp[6 + i * 4 + 0] + cp[6 + i*4 + 1] * 256; + se401->height[i] = cp[6 + i * 4 + 2] + cp[6 + i * 4 + 3] * 256; + } + slen += snprintf(temp + slen, 200 - slen, " Sizes:"); + for (i = 0; i < se401->sizes; i++) { + slen += snprintf(temp + slen, 200 - slen, + " %dx%d", se401->width[i], se401->height[i]); + } + dev_info(&se401->dev->dev, "%s\n", temp); + se401->maxframesize = se401->width[se401->sizes-1] * + se401->height[se401->sizes - 1] * 3; + + rc = se401_sndctrl(0, se401, SE401_REQ_GET_WIDTH, 0, cp, sizeof(cp)); + se401->cwidth = cp[0]+cp[1]*256; + rc = se401_sndctrl(0, se401, SE401_REQ_GET_HEIGHT, 0, cp, sizeof(cp)); + se401->cheight = cp[0]+cp[1]*256; + + if (!(cp[2] & SE401_FORMAT_BAYER)) { + err("Bayer format not supported!"); + return 1; + } + /* set output mode (BAYER) */ + se401_sndctrl(1, se401, SE401_REQ_SET_OUTPUT_MODE, + SE401_FORMAT_BAYER, NULL, 0); + + rc = se401_sndctrl(0, se401, SE401_REQ_GET_BRT, 0, cp, sizeof(cp)); + se401->brightness = cp[0]+cp[1]*256; + /* some default values */ + se401->resetlevel = 0x2d; + se401->rgain = 0x20; + se401->ggain = 0x20; + se401->bgain = 0x20; + se401_set_exposure(se401, 20000); + se401->palette = VIDEO_PALETTE_RGB24; + se401->enhance = 1; + se401->dropped = 0; + se401->error = 0; + se401->framecount = 0; + se401->readcount = 0; + + /* Start interrupt transfers for snapshot button */ + if (button) { + se401->inturb = usb_alloc_urb(0, GFP_KERNEL); + if (!se401->inturb) { + dev_info(&se401->dev->dev, + "Allocation of inturb failed\n"); + return 1; + } + usb_fill_int_urb(se401->inturb, se401->dev, + usb_rcvintpipe(se401->dev, SE401_BUTTON_ENDPOINT), + &se401->button, sizeof(se401->button), + se401_button_irq, + se401, + 8 + ); + if (usb_submit_urb(se401->inturb, GFP_KERNEL)) { + dev_info(&se401->dev->dev, "int urb burned down\n"); + return 1; + } + } else + se401->inturb = NULL; + + /* Flash the led */ + se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 1, NULL, 0); + se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0); + se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 0, NULL, 0); + se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 0, NULL, 0); + + return 0; +} + +static int se401_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *dev = interface_to_usbdev(intf); + struct usb_interface_descriptor *interface; + struct usb_se401 *se401; + char *camera_name = NULL; + int button = 1; + + /* We don't handle multi-config cameras */ + if (dev->descriptor.bNumConfigurations != 1) + return -ENODEV; + + interface = &intf->cur_altsetting->desc; + + /* Is it an se401? */ + if (le16_to_cpu(dev->descriptor.idVendor) == 0x03e8 && + le16_to_cpu(dev->descriptor.idProduct) == 0x0004) { + camera_name = "Endpoints/Aox SE401"; + } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x0471 && + le16_to_cpu(dev->descriptor.idProduct) == 0x030b) { + camera_name = "Philips PCVC665K"; + } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && + le16_to_cpu(dev->descriptor.idProduct) == 0x5001) { + camera_name = "Kensington VideoCAM 67014"; + } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && + le16_to_cpu(dev->descriptor.idProduct) == 0x5002) { + camera_name = "Kensington VideoCAM 6701(5/7)"; + } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && + le16_to_cpu(dev->descriptor.idProduct) == 0x5003) { + camera_name = "Kensington VideoCAM 67016"; + button = 0; + } else + return -ENODEV; + + /* Checking vendor/product should be enough, but what the hell */ + if (interface->bInterfaceClass != 0x00) + return -ENODEV; + if (interface->bInterfaceSubClass != 0x00) + return -ENODEV; + + /* We found one */ + dev_info(&intf->dev, "SE401 camera found: %s\n", camera_name); + + se401 = kzalloc(sizeof(*se401), GFP_KERNEL); + if (se401 == NULL) { + err("couldn't kmalloc se401 struct"); + return -ENOMEM; + } + + se401->dev = dev; + se401->iface = interface->bInterfaceNumber; + se401->camera_name = camera_name; + + dev_info(&intf->dev, "firmware version: %02x\n", + le16_to_cpu(dev->descriptor.bcdDevice) & 255); + + if (se401_init(se401, button)) { + kfree(se401); + return -EIO; + } + + memcpy(&se401->vdev, &se401_template, sizeof(se401_template)); + memcpy(se401->vdev.name, se401->camera_name, + strlen(se401->camera_name)); + init_waitqueue_head(&se401->wq); + mutex_init(&se401->lock); + wmb(); + + if (video_register_device(&se401->vdev, + VFL_TYPE_GRABBER, video_nr) < 0) { + kfree(se401); + err("video_register_device failed"); + return -EIO; + } + dev_info(&intf->dev, "registered new video device: %s\n", + video_device_node_name(&se401->vdev)); + + usb_set_intfdata(intf, se401); + return 0; +} + +static void se401_disconnect(struct usb_interface *intf) +{ + struct usb_se401 *se401 = usb_get_intfdata(intf); + + usb_set_intfdata(intf, NULL); + if (se401) { + video_unregister_device(&se401->vdev); + if (!se401->user) + usb_se401_remove_disconnected(se401); + else { + se401->frame[0].grabstate = FRAME_ERROR; + se401->frame[0].grabstate = FRAME_ERROR; + + se401->streaming = 0; + + wake_up_interruptible(&se401->wq); + se401->removed = 1; + } + } +} + +static struct usb_driver se401_driver = { + .name = "se401", + .id_table = device_table, + .probe = se401_probe, + .disconnect = se401_disconnect, +}; + + + +/**************************************************************************** + * + * Module routines + * + ***************************************************************************/ + +static int __init usb_se401_init(void) +{ + printk(KERN_INFO "SE401 usb camera driver version %s registering\n", + version); + if (flickerless) + if (flickerless != 50 && flickerless != 60) { + printk(KERN_ERR "Invallid flickerless value, use 0, 50 or 60.\n"); + return -1; + } + return usb_register(&se401_driver); +} + +static void __exit usb_se401_exit(void) +{ + usb_deregister(&se401_driver); + printk(KERN_INFO "SE401 driver deregistered\frame"); +} + +module_init(usb_se401_init); +module_exit(usb_se401_exit); diff --git a/drivers/staging/se401/se401.h b/drivers/staging/se401/se401.h new file mode 100644 index 000000000000..2758f4716c3d --- /dev/null +++ b/drivers/staging/se401/se401.h @@ -0,0 +1,236 @@ + +#ifndef __LINUX_se401_H +#define __LINUX_se401_H + +#include <linux/uaccess.h> +#include "videodev.h" +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <linux/mutex.h> + +#define se401_DEBUG /* Turn on debug messages */ + +#ifdef se401_DEBUG +# define PDEBUG(level, fmt, args...) \ +if (debug >= level) \ + info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args) +#else +# define PDEBUG(level, fmt, args...) do {} while (0) +#endif + +/* An almost drop-in replacement for sleep_on_interruptible */ +#define wait_interruptible(test, queue, wait) \ +{ \ + add_wait_queue(queue, wait); \ + set_current_state(TASK_INTERRUPTIBLE); \ + if (test) \ + schedule(); \ + remove_wait_queue(queue, wait); \ + set_current_state(TASK_RUNNING); \ + if (signal_pending(current)) \ + break; \ +} + +#define SE401_REQ_GET_CAMERA_DESCRIPTOR 0x06 +#define SE401_REQ_START_CONTINUOUS_CAPTURE 0x41 +#define SE401_REQ_STOP_CONTINUOUS_CAPTURE 0x42 +#define SE401_REQ_CAPTURE_FRAME 0x43 +#define SE401_REQ_GET_BRT 0x44 +#define SE401_REQ_SET_BRT 0x45 +#define SE401_REQ_GET_WIDTH 0x4c +#define SE401_REQ_SET_WIDTH 0x4d +#define SE401_REQ_GET_HEIGHT 0x4e +#define SE401_REQ_SET_HEIGHT 0x4f +#define SE401_REQ_GET_OUTPUT_MODE 0x50 +#define SE401_REQ_SET_OUTPUT_MODE 0x51 +#define SE401_REQ_GET_EXT_FEATURE 0x52 +#define SE401_REQ_SET_EXT_FEATURE 0x53 +#define SE401_REQ_CAMERA_POWER 0x56 +#define SE401_REQ_LED_CONTROL 0x57 +#define SE401_REQ_BIOS 0xff + +#define SE401_BIOS_READ 0x07 + +#define SE401_FORMAT_BAYER 0x40 + +/* Hyundai hv7131b registers + 7121 and 7141 should be the same (haven't really checked...) */ +/* Mode registers: */ +#define HV7131_REG_MODE_A 0x00 +#define HV7131_REG_MODE_B 0x01 +#define HV7131_REG_MODE_C 0x02 +/* Frame registers: */ +#define HV7131_REG_FRSU 0x10 +#define HV7131_REG_FRSL 0x11 +#define HV7131_REG_FCSU 0x12 +#define HV7131_REG_FCSL 0x13 +#define HV7131_REG_FWHU 0x14 +#define HV7131_REG_FWHL 0x15 +#define HV7131_REG_FWWU 0x16 +#define HV7131_REG_FWWL 0x17 +/* Timing registers: */ +#define HV7131_REG_THBU 0x20 +#define HV7131_REG_THBL 0x21 +#define HV7131_REG_TVBU 0x22 +#define HV7131_REG_TVBL 0x23 +#define HV7131_REG_TITU 0x25 +#define HV7131_REG_TITM 0x26 +#define HV7131_REG_TITL 0x27 +#define HV7131_REG_TMCD 0x28 +/* Adjust Registers: */ +#define HV7131_REG_ARLV 0x30 +#define HV7131_REG_ARCG 0x31 +#define HV7131_REG_AGCG 0x32 +#define HV7131_REG_ABCG 0x33 +#define HV7131_REG_APBV 0x34 +#define HV7131_REG_ASLP 0x54 +/* Offset Registers: */ +#define HV7131_REG_OFSR 0x50 +#define HV7131_REG_OFSG 0x51 +#define HV7131_REG_OFSB 0x52 +/* REset level statistics registers: */ +#define HV7131_REG_LOREFNOH 0x57 +#define HV7131_REG_LOREFNOL 0x58 +#define HV7131_REG_HIREFNOH 0x59 +#define HV7131_REG_HIREFNOL 0x5a + +/* se401 registers */ +#define SE401_OPERATINGMODE 0x2000 + + +/* size of usb transfers */ +#define SE401_PACKETSIZE 4096 +/* number of queued bulk transfers to use, should be about 8 */ +#define SE401_NUMSBUF 1 +/* read the usb specs for this one :) */ +#define SE401_VIDEO_ENDPOINT 1 +#define SE401_BUTTON_ENDPOINT 2 +/* number of frames supported by the v4l part */ +#define SE401_NUMFRAMES 2 +/* scratch buffers for passing data to the decoders */ +#define SE401_NUMSCRATCH 32 +/* maximum amount of data in a JangGu packet */ +#define SE401_VLCDATALEN 1024 +/* number of nul sized packets to receive before kicking the camera */ +#define SE401_MAX_NULLPACKETS 4000 +/* number of decoding errors before kicking the camera */ +#define SE401_MAX_ERRORS 200 + +struct usb_device; + +struct se401_sbuf { + unsigned char *data; +}; + +enum { + FRAME_UNUSED, /* Unused (no MCAPTURE) */ + FRAME_READY, /* Ready to start grabbing */ + FRAME_GRABBING, /* In the process of being grabbed into */ + FRAME_DONE, /* Finished grabbing, but not been synced yet */ + FRAME_ERROR, /* Something bad happened while processing */ +}; + +enum { + FMT_BAYER, + FMT_JANGGU, +}; + +enum { + BUFFER_UNUSED, + BUFFER_READY, + BUFFER_BUSY, + BUFFER_DONE, +}; + +struct se401_scratch { + unsigned char *data; + volatile int state; + int offset; + int length; +}; + +struct se401_frame { + unsigned char *data; /* Frame buffer */ + + volatile int grabstate; /* State of grabbing */ + + unsigned char *curline; + int curlinepix; + int curpix; +}; + +struct usb_se401 { + struct video_device vdev; + + /* Device structure */ + struct usb_device *dev; + + unsigned char iface; + + char *camera_name; + + int change; + int brightness; + int hue; + int rgain; + int ggain; + int bgain; + int expose_h; + int expose_m; + int expose_l; + int resetlevel; + + int enhance; + + int format; + int sizes; + int *width; + int *height; + int cwidth; /* current width */ + int cheight; /* current height */ + int palette; + int maxframesize; + int cframesize; /* current framesize */ + + struct mutex lock; + int user; /* user count for exclusive use */ + int removed; /* device disconnected */ + + int streaming; /* Are we streaming video? */ + + char *fbuf; /* Videodev buffer area */ + + struct urb *urb[SE401_NUMSBUF]; + struct urb *inturb; + + int button; + int buttonpressed; + + int curframe; /* Current receiving frame */ + struct se401_frame frame[SE401_NUMFRAMES]; + int readcount; + int framecount; + int error; + int dropped; + + int scratch_next; + int scratch_use; + int scratch_overflow; + struct se401_scratch scratch[SE401_NUMSCRATCH]; + + /* Decoder specific data: */ + unsigned char vlcdata[SE401_VLCDATALEN]; + int vlcdatapos; + int bayeroffset; + + struct se401_sbuf sbuf[SE401_NUMSBUF]; + + wait_queue_head_t wq; /* Processes waiting */ + + int nullpackets; +}; + + + +#endif + diff --git a/drivers/staging/se401/videodev.h b/drivers/staging/se401/videodev.h new file mode 100644 index 000000000000..f11efbef1c05 --- /dev/null +++ b/drivers/staging/se401/videodev.h @@ -0,0 +1,318 @@ +/* + * Video for Linux version 1 - OBSOLETE + * + * Header file for v4l1 drivers and applications, for + * Linux kernels 2.2.x or 2.4.x. + * + * Provides header for legacy drivers and applications + * + * See http://linuxtv.org for more info + * + */ +#ifndef __LINUX_VIDEODEV_H +#define __LINUX_VIDEODEV_H + +#include <linux/types.h> +#include <linux/ioctl.h> +#include <linux/videodev2.h> + +#define VID_TYPE_CAPTURE 1 /* Can capture */ +#define VID_TYPE_TUNER 2 /* Can tune */ +#define VID_TYPE_TELETEXT 4 /* Does teletext */ +#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ +#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ +#define VID_TYPE_CLIPPING 32 /* Can clip */ +#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ +#define VID_TYPE_SCALES 128 /* Scalable */ +#define VID_TYPE_MONOCHROME 256 /* Monochrome only */ +#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ +#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ +#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ +#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ +#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ + +struct video_capability +{ + char name[32]; + int type; + int channels; /* Num channels */ + int audios; /* Num audio devices */ + int maxwidth; /* Supported width */ + int maxheight; /* And height */ + int minwidth; /* Supported width */ + int minheight; /* And height */ +}; + + +struct video_channel +{ + int channel; + char name[32]; + int tuners; + __u32 flags; +#define VIDEO_VC_TUNER 1 /* Channel has a tuner */ +#define VIDEO_VC_AUDIO 2 /* Channel has audio */ + __u16 type; +#define VIDEO_TYPE_TV 1 +#define VIDEO_TYPE_CAMERA 2 + __u16 norm; /* Norm set by channel */ +}; + +struct video_tuner +{ + int tuner; + char name[32]; + unsigned long rangelow, rangehigh; /* Tuner range */ + __u32 flags; +#define VIDEO_TUNER_PAL 1 +#define VIDEO_TUNER_NTSC 2 +#define VIDEO_TUNER_SECAM 4 +#define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ +#define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ +#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ +#define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ +#define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ + __u16 mode; /* PAL/NTSC/SECAM/OTHER */ +#define VIDEO_MODE_PAL 0 +#define VIDEO_MODE_NTSC 1 +#define VIDEO_MODE_SECAM 2 +#define VIDEO_MODE_AUTO 3 + __u16 signal; /* Signal strength 16bit scale */ +}; + +struct video_picture +{ + __u16 brightness; + __u16 hue; + __u16 colour; + __u16 contrast; + __u16 whiteness; /* Black and white only */ + __u16 depth; /* Capture depth */ + __u16 palette; /* Palette in use */ +#define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ +#define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ +#define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ +#define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ +#define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ +#define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ +#define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ +#define VIDEO_PALETTE_YUYV 8 +#define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ +#define VIDEO_PALETTE_YUV420 10 +#define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ +#define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ +#define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ +#define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ +#define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ +#define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ +#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ +#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ +}; + +struct video_audio +{ + int audio; /* Audio channel */ + __u16 volume; /* If settable */ + __u16 bass, treble; + __u32 flags; +#define VIDEO_AUDIO_MUTE 1 +#define VIDEO_AUDIO_MUTABLE 2 +#define VIDEO_AUDIO_VOLUME 4 +#define VIDEO_AUDIO_BASS 8 +#define VIDEO_AUDIO_TREBLE 16 +#define VIDEO_AUDIO_BALANCE 32 + char name[16]; +#define VIDEO_SOUND_MONO 1 +#define VIDEO_SOUND_STEREO 2 +#define VIDEO_SOUND_LANG1 4 +#define VIDEO_SOUND_LANG2 8 + __u16 mode; + __u16 balance; /* Stereo balance */ + __u16 step; /* Step actual volume uses */ +}; + +struct video_clip +{ + __s32 x,y; + __s32 width, height; + struct video_clip *next; /* For user use/driver use only */ +}; + +struct video_window +{ + __u32 x,y; /* Position of window */ + __u32 width,height; /* Its size */ + __u32 chromakey; + __u32 flags; + struct video_clip __user *clips; /* Set only */ + int clipcount; +#define VIDEO_WINDOW_INTERLACE 1 +#define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ +#define VIDEO_CLIP_BITMAP -1 +/* bitmap is 1024x625, a '1' bit represents a clipped pixel */ +#define VIDEO_CLIPMAP_SIZE (128 * 625) +}; + +struct video_capture +{ + __u32 x,y; /* Offsets into image */ + __u32 width, height; /* Area to capture */ + __u16 decimation; /* Decimation divider */ + __u16 flags; /* Flags for capture */ +#define VIDEO_CAPTURE_ODD 0 /* Temporal */ +#define VIDEO_CAPTURE_EVEN 1 +}; + +struct video_buffer +{ + void *base; + int height,width; + int depth; + int bytesperline; +}; + +struct video_mmap +{ + unsigned int frame; /* Frame (0 - n) for double buffer */ + int height,width; + unsigned int format; /* should be VIDEO_PALETTE_* */ +}; + +struct video_key +{ + __u8 key[8]; + __u32 flags; +}; + +struct video_mbuf +{ + int size; /* Total memory to map */ + int frames; /* Frames */ + int offsets[VIDEO_MAX_FRAME]; +}; + +#define VIDEO_NO_UNIT (-1) + +struct video_unit +{ + int video; /* Video minor */ + int vbi; /* VBI minor */ + int radio; /* Radio minor */ + int audio; /* Audio minor */ + int teletext; /* Teletext minor */ +}; + +struct vbi_format { + __u32 sampling_rate; /* in Hz */ + __u32 samples_per_line; + __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ + __s32 start[2]; /* starting line for each frame */ + __u32 count[2]; /* count of lines for each frame */ + __u32 flags; +#define VBI_UNSYNC 1 /* can distingues between top/bottom field */ +#define VBI_INTERLACED 2 /* lines are interlaced */ +}; + +/* video_info is biased towards hardware mpeg encode/decode */ +/* but it could apply generically to any hardware compressor/decompressor */ +struct video_info +{ + __u32 frame_count; /* frames output since decode/encode began */ + __u32 h_size; /* current unscaled horizontal size */ + __u32 v_size; /* current unscaled veritcal size */ + __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ + __u32 picture_type; /* current picture type */ + __u32 temporal_reference; /* current temporal reference */ + __u8 user_data[256]; /* user data last found in compressed stream */ + /* user_data[0] contains user data flags, user_data[1] has count */ +}; + +/* generic structure for setting playback modes */ +struct video_play_mode +{ + int mode; + int p1; + int p2; +}; + +/* for loading microcode / fpga programming */ +struct video_code +{ + char loadwhat[16]; /* name or tag of file being passed */ + int datasize; + __u8 *data; +}; + +#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ +#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ +#define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ +#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ +#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ +#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ +#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ +#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ +#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ +#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ +#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ +#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ +#define VIDIOCKEY _IOR('v',13, struct video_key) /* Video key event - to dev 255 is to all - cuts capture on all DMA windows with this key (0xFFFFFFFF == all) */ +#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ +#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ +#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ +#define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ +#define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ +#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ +#define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ +#define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ +#define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ +#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ +#define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ +#define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ +#define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ +#define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ +#define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ +#define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ + + +#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ + +/* VIDIOCSWRITEMODE */ +#define VID_WRITE_MPEG_AUD 0 +#define VID_WRITE_MPEG_VID 1 +#define VID_WRITE_OSD 2 +#define VID_WRITE_TTX 3 +#define VID_WRITE_CC 4 +#define VID_WRITE_MJPEG 5 + +/* VIDIOCSPLAYMODE */ +#define VID_PLAY_VID_OUT_MODE 0 + /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ +#define VID_PLAY_GENLOCK 1 + /* p1: 0 = OFF, 1 = ON */ + /* p2: GENLOCK FINE DELAY value */ +#define VID_PLAY_NORMAL 2 +#define VID_PLAY_PAUSE 3 +#define VID_PLAY_SINGLE_FRAME 4 +#define VID_PLAY_FAST_FORWARD 5 +#define VID_PLAY_SLOW_MOTION 6 +#define VID_PLAY_IMMEDIATE_NORMAL 7 +#define VID_PLAY_SWITCH_CHANNELS 8 +#define VID_PLAY_FREEZE_FRAME 9 +#define VID_PLAY_STILL_MODE 10 +#define VID_PLAY_MASTER_MODE 11 + /* p1: see below */ +#define VID_PLAY_MASTER_NONE 1 +#define VID_PLAY_MASTER_VIDEO 2 +#define VID_PLAY_MASTER_AUDIO 3 +#define VID_PLAY_ACTIVE_SCANLINES 12 + /* p1 = first active; p2 = last active */ +#define VID_PLAY_RESET 13 +#define VID_PLAY_END_MARK 14 + +#endif /* __LINUX_VIDEODEV_H */ + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/staging/stradis/Kconfig b/drivers/staging/stradis/Kconfig deleted file mode 100644 index 02f0fc504cf5..000000000000 --- a/drivers/staging/stradis/Kconfig +++ /dev/null @@ -1,7 +0,0 @@ -config VIDEO_STRADIS - tristate "Stradis 4:2:2 MPEG-2 video driver (DEPRECATED)" - depends on EXPERIMENTAL && PCI && VIDEO_V4L1 && VIRT_TO_BUS && BKL - help - Say Y here to enable support for the Stradis 4:2:2 MPEG-2 video - driver for PCI. There is a product page at - <http://www.stradis.com/>. diff --git a/drivers/staging/stradis/Makefile b/drivers/staging/stradis/Makefile deleted file mode 100644 index 0f1feab59e39..000000000000 --- a/drivers/staging/stradis/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_VIDEO_STRADIS) += stradis.o - -EXTRA_CFLAGS += -Idrivers/media/video diff --git a/drivers/staging/stradis/TODO b/drivers/staging/stradis/TODO deleted file mode 100644 index f48150fe2fa9..000000000000 --- a/drivers/staging/stradis/TODO +++ /dev/null @@ -1,6 +0,0 @@ -This is an obsolete driver for ancient stradis hardware. -We couldn't find anyone with this hardware in order to port it to use V4L2. - -If nobody take care on it, the driver will be removed for 2.6.38. - -Please send patches to linux-media@vger.kernel.org diff --git a/drivers/staging/stradis/stradis.c b/drivers/staging/stradis/stradis.c deleted file mode 100644 index 807dd7eb748f..000000000000 --- a/drivers/staging/stradis/stradis.c +++ /dev/null @@ -1,2222 +0,0 @@ -/* - * stradis.c - stradis 4:2:2 mpeg decoder driver - * - * Stradis 4:2:2 MPEG-2 Decoder Driver - * Copyright (C) 1999 Nathan Laredo <laredo@gnu.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/major.h> -#include <linux/slab.h> -#include <linux/smp_lock.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/poll.h> -#include <linux/pci.h> -#include <linux/signal.h> -#include <asm/io.h> -#include <linux/ioport.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <linux/sched.h> -#include <asm/types.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <asm/uaccess.h> -#include <linux/vmalloc.h> -#include <linux/videodev.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> - -#include "saa7146.h" -#include "saa7146reg.h" -#include "ibmmpeg2.h" -#include "saa7121.h" -#include "cs8420.h" - -#define DEBUG(x) /* debug driver */ -#undef IDEBUG /* debug irq handler */ -#undef MDEBUG /* debug memory management */ - -#define SAA7146_MAX 6 - -static struct saa7146 saa7146s[SAA7146_MAX]; - -static int saa_num; /* number of SAA7146s in use */ - -static int video_nr = -1; -module_param(video_nr, int, 0); -MODULE_LICENSE("GPL"); - -#define nDebNormal 0x00480000 -#define nDebNoInc 0x00480000 -#define nDebVideo 0xd0480000 -#define nDebAudio 0xd0400000 -#define nDebDMA 0x02c80000 - -#define oDebNormal 0x13c80000 -#define oDebNoInc 0x13c80000 -#define oDebVideo 0xd1080000 -#define oDebAudio 0xd1080000 -#define oDebDMA 0x03080000 - -#define NewCard (saa->boardcfg[3]) -#define ChipControl (saa->boardcfg[1]) -#define NTSCFirstActive (saa->boardcfg[4]) -#define PALFirstActive (saa->boardcfg[5]) -#define NTSCLastActive (saa->boardcfg[54]) -#define PALLastActive (saa->boardcfg[55]) -#define Have2MB (saa->boardcfg[18] & 0x40) -#define HaveCS8420 (saa->boardcfg[18] & 0x04) -#define IBMMPEGCD20 (saa->boardcfg[18] & 0x20) -#define HaveCS3310 (saa->boardcfg[18] & 0x01) -#define CS3310MaxLvl ((saa->boardcfg[30] << 8) | saa->boardcfg[31]) -#define HaveCS4341 (saa->boardcfg[40] == 2) -#define SDIType (saa->boardcfg[27]) -#define CurrentMode (saa->boardcfg[2]) - -#define debNormal (NewCard ? nDebNormal : oDebNormal) -#define debNoInc (NewCard ? nDebNoInc : oDebNoInc) -#define debVideo (NewCard ? nDebVideo : oDebVideo) -#define debAudio (NewCard ? nDebAudio : oDebAudio) -#define debDMA (NewCard ? nDebDMA : oDebDMA) - -#ifdef USE_RESCUE_EEPROM_SDM275 -static unsigned char rescue_eeprom[64] = { - 0x00, 0x01, 0x04, 0x13, 0x26, 0x0f, 0x10, 0x00, 0x00, 0x00, 0x43, 0x63, - 0x22, 0x01, 0x29, 0x15, 0x73, 0x00, 0x1f, 'd', 'e', 'c', 'x', 'l', - 'd', 'v', 'a', 0x02, 0x00, 0x01, 0x00, 0xcc, 0xa4, 0x63, 0x09, 0xe2, - 0x10, 0x00, 0x0a, 0x00, 0x02, 0x02, 'd', 'e', 'c', 'x', 'l', 'a', - 0x00, 0x00, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, -}; -#endif - -/* ----------------------------------------------------------------------- */ -/* Hardware I2C functions */ -static void I2CWipe(struct saa7146 *saa) -{ - int i; - /* set i2c to ~=100kHz, abort transfer, clear busy */ - saawrite(0x600 | SAA7146_I2C_ABORT, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - saawrite(0x600, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - saawrite(0x600, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); -} - -/* read I2C */ -static int I2CRead(struct saa7146 *saa, unsigned char addr, - unsigned char subaddr, int dosub) -{ - int i; - - if (saaread(SAA7146_I2C_STATUS) & 0x3c) - I2CWipe(saa); - for (i = 0; - i < 1000 && (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); - i++) - schedule(); - if (i == 1000) - I2CWipe(saa); - if (dosub) - saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 8) | - ((subaddr & 0xff) << 16) | 0xed, SAA7146_I2C_TRANSFER); - else - saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 16) | - 0xf1, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - /* wait for valid data */ - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++) - schedule(); - if (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_ERR) - return -1; - if (i == 1000) - printk("i2c setup read timeout\n"); - saawrite(0x41, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - /* wait for valid data */ - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_BUSY); i++) - schedule(); - if (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_ERR) - return -1; - if (i == 1000) - printk("i2c read timeout\n"); - return ((saaread(SAA7146_I2C_TRANSFER) >> 24) & 0xff); -} - -/* set both to write both bytes, reset it to write only b1 */ - -static int I2CWrite(struct saa7146 *saa, unsigned char addr, unsigned char b1, - unsigned char b2, int both) -{ - int i; - u32 data; - - if (saaread(SAA7146_I2C_STATUS) & 0x3c) - I2CWipe(saa); - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++) - schedule(); - if (i == 1000) - I2CWipe(saa); - data = ((addr & 0xfe) << 24) | ((b1 & 0xff) << 16); - if (both) - data |= ((b2 & 0xff) << 8) | 0xe5; - else - data |= 0xd1; - saawrite(data, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | SAA7146_MC2_UPLD_I2C, - SAA7146_MC2); - return 0; -} - -static void attach_inform(struct saa7146 *saa, int id) -{ - int i; - - DEBUG(printk(KERN_DEBUG "stradis%d: i2c: device found=%02x\n", saa->nr, - id)); - if (id == 0xa0) { /* we have rev2 or later board, fill in info */ - for (i = 0; i < 64; i++) - saa->boardcfg[i] = I2CRead(saa, 0xa0, i, 1); -#ifdef USE_RESCUE_EEPROM_SDM275 - if (saa->boardcfg[0] != 0) { - printk("stradis%d: WARNING: EEPROM STORED VALUES HAVE " - "BEEN IGNORED\n", saa->nr); - for (i = 0; i < 64; i++) - saa->boardcfg[i] = rescue_eeprom[i]; - } -#endif - printk("stradis%d: config =", saa->nr); - for (i = 0; i < 51; i++) { - printk(" %02x", saa->boardcfg[i]); - } - printk("\n"); - } -} - -static void I2CBusScan(struct saa7146 *saa) -{ - int i; - for (i = 0; i < 0xff; i += 2) - if ((I2CRead(saa, i, 0, 0)) >= 0) - attach_inform(saa, i); -} - -static int debiwait_maxwait; - -static int wait_for_debi_done(struct saa7146 *saa) -{ - int i; - - /* wait for registers to be programmed */ - for (i = 0; i < 100000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_DEBI); i++) - saaread(SAA7146_MC2); - /* wait for transfer to complete */ - for (i = 0; i < 500000 && - (saaread(SAA7146_PSR) & SAA7146_PSR_DEBI_S); i++) - saaread(SAA7146_MC2); - - if (i > debiwait_maxwait) - printk("wait-for-debi-done maxwait: %d\n", - debiwait_maxwait = i); - - if (i == 500000) - return -1; - - return 0; -} - -static int debiwrite(struct saa7146 *saa, u32 config, int addr, - u32 val, int count) -{ - u32 cmd; - if (count <= 0 || count > 32764) - return -1; - if (wait_for_debi_done(saa) < 0) - return -1; - saawrite(config, SAA7146_DEBI_CONFIG); - if (count <= 4) /* immediate transfer */ - saawrite(val, SAA7146_DEBI_AD); - else /* block transfer */ - saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD); - saawrite((cmd = (count << 17) | (addr & 0xffff)), SAA7146_DEBI_COMMAND); - saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI, - SAA7146_MC2); - return 0; -} - -static u32 debiread(struct saa7146 *saa, u32 config, int addr, int count) -{ - u32 result = 0; - - if (count > 32764 || count <= 0) - return 0; - if (wait_for_debi_done(saa) < 0) - return 0; - saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD); - saawrite((count << 17) | 0x10000 | (addr & 0xffff), - SAA7146_DEBI_COMMAND); - saawrite(config, SAA7146_DEBI_CONFIG); - saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI, - SAA7146_MC2); - if (count > 4) /* not an immediate transfer */ - return count; - wait_for_debi_done(saa); - result = saaread(SAA7146_DEBI_AD); - if (count == 1) - result &= 0xff; - if (count == 2) - result &= 0xffff; - if (count == 3) - result &= 0xffffff; - return result; -} - -static void do_irq_send_data(struct saa7146 *saa) -{ - int split, audbytes, vidbytes; - - saawrite(SAA7146_PSR_PIN1, SAA7146_IER); - /* if special feature mode in effect, disable audio sending */ - if (saa->playmode != VID_PLAY_NORMAL) - saa->audtail = saa->audhead = 0; - if (saa->audhead <= saa->audtail) - audbytes = saa->audtail - saa->audhead; - else - audbytes = 65536 - (saa->audhead - saa->audtail); - if (saa->vidhead <= saa->vidtail) - vidbytes = saa->vidtail - saa->vidhead; - else - vidbytes = 524288 - (saa->vidhead - saa->vidtail); - if (audbytes == 0 && vidbytes == 0 && saa->osdtail == saa->osdhead) { - saawrite(0, SAA7146_IER); - return; - } - /* if at least 1 block audio waiting and audio fifo isn't full */ - if (audbytes >= 2048 && (debiread(saa, debNormal, IBM_MP2_AUD_FIFO, 2) - & 0xff) < 60) { - if (saa->audhead > saa->audtail) - split = 65536 - saa->audhead; - else - split = 0; - audbytes = 2048; - if (split > 0 && split < 2048) { - memcpy(saa->dmadebi, saa->audbuf + saa->audhead, split); - saa->audhead = 0; - audbytes -= split; - } else - split = 0; - memcpy(saa->dmadebi + split, saa->audbuf + saa->audhead, - audbytes); - saa->audhead += audbytes; - saa->audhead &= 0xffff; - debiwrite(saa, debAudio, (NewCard ? IBM_MP2_AUD_FIFO : - IBM_MP2_AUD_FIFOW), 0, 2048); - wake_up_interruptible(&saa->audq); - /* if at least 1 block video waiting and video fifo isn't full */ - } else if (vidbytes >= 30720 && (debiread(saa, debNormal, - IBM_MP2_FIFO, 2)) < 16384) { - if (saa->vidhead > saa->vidtail) - split = 524288 - saa->vidhead; - else - split = 0; - vidbytes = 30720; - if (split > 0 && split < 30720) { - memcpy(saa->dmadebi, saa->vidbuf + saa->vidhead, split); - saa->vidhead = 0; - vidbytes -= split; - } else - split = 0; - memcpy(saa->dmadebi + split, saa->vidbuf + saa->vidhead, - vidbytes); - saa->vidhead += vidbytes; - saa->vidhead &= 0x7ffff; - debiwrite(saa, debVideo, (NewCard ? IBM_MP2_FIFO : - IBM_MP2_FIFOW), 0, 30720); - wake_up_interruptible(&saa->vidq); - } - saawrite(SAA7146_PSR_DEBI_S | SAA7146_PSR_PIN1, SAA7146_IER); -} - -static void send_osd_data(struct saa7146 *saa) -{ - int size = saa->osdtail - saa->osdhead; - if (size > 30720) - size = 30720; - /* ensure some multiple of 8 bytes is transferred */ - size = 8 * ((size + 8) >> 3); - if (size) { - debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, - (saa->osdhead >> 3), 2); - memcpy(saa->dmadebi, &saa->osdbuf[saa->osdhead], size); - saa->osdhead += size; - /* block transfer of next 8 bytes to ~32k bytes */ - debiwrite(saa, debNormal, IBM_MP2_OSD_DATA, 0, size); - } - if (saa->osdhead >= saa->osdtail) { - saa->osdhead = saa->osdtail = 0; - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - } -} - -static irqreturn_t saa7146_irq(int irq, void *dev_id) -{ - struct saa7146 *saa = dev_id; - u32 stat, astat; - int count; - int handled = 0; - - count = 0; - while (1) { - /* get/clear interrupt status bits */ - stat = saaread(SAA7146_ISR); - astat = stat & saaread(SAA7146_IER); - if (!astat) - break; - handled = 1; - saawrite(astat, SAA7146_ISR); - if (astat & SAA7146_PSR_DEBI_S) { - do_irq_send_data(saa); - } - if (astat & SAA7146_PSR_PIN1) { - int istat; - /* the following read will trigger DEBI_S */ - istat = debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - if (istat & 1) { - saawrite(0, SAA7146_IER); - send_osd_data(saa); - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - } - if (istat & 0x20) { /* Video Start */ - saa->vidinfo.frame_count++; - } - if (istat & 0x400) { /* Picture Start */ - /* update temporal reference */ - } - if (istat & 0x200) { /* Picture Resolution Change */ - /* read new resolution */ - } - if (istat & 0x100) { /* New User Data found */ - /* read new user data */ - } - if (istat & 0x1000) { /* new GOP/SMPTE */ - /* read new SMPTE */ - } - if (istat & 0x8000) { /* Sequence Start Code */ - /* reset frame counter, load sizes */ - saa->vidinfo.frame_count = 0; - saa->vidinfo.h_size = 704; - saa->vidinfo.v_size = 480; -#if 0 - if (saa->endmarkhead != saa->endmarktail) { - saa->audhead = - saa->endmark[saa->endmarkhead]; - saa->endmarkhead++; - if (saa->endmarkhead >= MAX_MARKS) - saa->endmarkhead = 0; - } -#endif - } - if (istat & 0x4000) { /* Sequence Error Code */ - if (saa->endmarkhead != saa->endmarktail) { - saa->audhead = - saa->endmark[saa->endmarkhead]; - saa->endmarkhead++; - if (saa->endmarkhead >= MAX_MARKS) - saa->endmarkhead = 0; - } - } - } -#ifdef IDEBUG - if (astat & SAA7146_PSR_PPEF) { - IDEBUG(printk("stradis%d irq: PPEF\n", saa->nr)); - } - if (astat & SAA7146_PSR_PABO) { - IDEBUG(printk("stradis%d irq: PABO\n", saa->nr)); - } - if (astat & SAA7146_PSR_PPED) { - IDEBUG(printk("stradis%d irq: PPED\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_I1) { - IDEBUG(printk("stradis%d irq: RPS_I1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_I0) { - IDEBUG(printk("stradis%d irq: RPS_I0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_LATE1) { - IDEBUG(printk("stradis%d irq: RPS_LATE1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_LATE0) { - IDEBUG(printk("stradis%d irq: RPS_LATE0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_E1) { - IDEBUG(printk("stradis%d irq: RPS_E1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_E0) { - IDEBUG(printk("stradis%d irq: RPS_E0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_TO1) { - IDEBUG(printk("stradis%d irq: RPS_TO1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_TO0) { - IDEBUG(printk("stradis%d irq: RPS_TO0\n", saa->nr)); - } - if (astat & SAA7146_PSR_UPLD) { - IDEBUG(printk("stradis%d irq: UPLD\n", saa->nr)); - } - if (astat & SAA7146_PSR_DEBI_E) { - IDEBUG(printk("stradis%d irq: DEBI_E\n", saa->nr)); - } - if (astat & SAA7146_PSR_I2C_S) { - IDEBUG(printk("stradis%d irq: I2C_S\n", saa->nr)); - } - if (astat & SAA7146_PSR_I2C_E) { - IDEBUG(printk("stradis%d irq: I2C_E\n", saa->nr)); - } - if (astat & SAA7146_PSR_A2_IN) { - IDEBUG(printk("stradis%d irq: A2_IN\n", saa->nr)); - } - if (astat & SAA7146_PSR_A2_OUT) { - IDEBUG(printk("stradis%d irq: A2_OUT\n", saa->nr)); - } - if (astat & SAA7146_PSR_A1_IN) { - IDEBUG(printk("stradis%d irq: A1_IN\n", saa->nr)); - } - if (astat & SAA7146_PSR_A1_OUT) { - IDEBUG(printk("stradis%d irq: A1_OUT\n", saa->nr)); - } - if (astat & SAA7146_PSR_AFOU) { - IDEBUG(printk("stradis%d irq: AFOU\n", saa->nr)); - } - if (astat & SAA7146_PSR_V_PE) { - IDEBUG(printk("stradis%d irq: V_PE\n", saa->nr)); - } - if (astat & SAA7146_PSR_VFOU) { - IDEBUG(printk("stradis%d irq: VFOU\n", saa->nr)); - } - if (astat & SAA7146_PSR_FIDA) { - IDEBUG(printk("stradis%d irq: FIDA\n", saa->nr)); - } - if (astat & SAA7146_PSR_FIDB) { - IDEBUG(printk("stradis%d irq: FIDB\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN3) { - IDEBUG(printk("stradis%d irq: PIN3\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN2) { - IDEBUG(printk("stradis%d irq: PIN2\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN0) { - IDEBUG(printk("stradis%d irq: PIN0\n", saa->nr)); - } - if (astat & SAA7146_PSR_ECS) { - IDEBUG(printk("stradis%d irq: ECS\n", saa->nr)); - } - if (astat & SAA7146_PSR_EC3S) { - IDEBUG(printk("stradis%d irq: EC3S\n", saa->nr)); - } - if (astat & SAA7146_PSR_EC0S) { - IDEBUG(printk("stradis%d irq: EC0S\n", saa->nr)); - } -#endif - count++; - if (count > 15) - printk(KERN_WARNING "stradis%d: irq loop %d\n", - saa->nr, count); - if (count > 20) { - saawrite(0, SAA7146_IER); - printk(KERN_ERR - "stradis%d: IRQ loop cleared\n", saa->nr); - } - } - return IRQ_RETVAL(handled); -} - -static int ibm_send_command(struct saa7146 *saa, - int command, int data, int chain) -{ - int i; - - if (chain) - debiwrite(saa, debNormal, IBM_MP2_COMMAND, (command << 1)| 1,2); - else - debiwrite(saa, debNormal, IBM_MP2_COMMAND, command << 1, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_DATA, data, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_STAT, 1, 2); - for (i = 0; i < 100 && - (debiread(saa, debNormal, IBM_MP2_CMD_STAT, 2) & 1); i++) - schedule(); - if (i == 100) - return -1; - return 0; -} - -static void cs4341_setlevel(struct saa7146 *saa, int left, int right) -{ - I2CWrite(saa, 0x22, 0x03, left > 94 ? 94 : left, 2); - I2CWrite(saa, 0x22, 0x04, right > 94 ? 94 : right, 2); -} - -static void initialize_cs4341(struct saa7146 *saa) -{ - int i; - for (i = 0; i < 200; i++) { - /* auto mute off, power on, no de-emphasis */ - /* I2S data up to 24-bit 64xFs internal SCLK */ - I2CWrite(saa, 0x22, 0x01, 0x11, 2); - /* ATAPI mixer settings */ - I2CWrite(saa, 0x22, 0x02, 0x49, 2); - /* attenuation left 3db */ - I2CWrite(saa, 0x22, 0x03, 0x00, 2); - /* attenuation right 3db */ - I2CWrite(saa, 0x22, 0x04, 0x00, 2); - I2CWrite(saa, 0x22, 0x01, 0x10, 2); - if (I2CRead(saa, 0x22, 0x02, 1) == 0x49) - break; - schedule(); - } - printk("stradis%d: CS4341 initialized (%d)\n", saa->nr, i); - return; -} - -static void initialize_cs8420(struct saa7146 *saa, int pro) -{ - int i; - u8 *sequence; - if (pro) - sequence = mode8420pro; - else - sequence = mode8420con; - for (i = 0; i < INIT8420LEN; i++) - I2CWrite(saa, 0x20, init8420[i * 2], init8420[i * 2 + 1], 2); - for (i = 0; i < MODE8420LEN; i++) - I2CWrite(saa, 0x20, sequence[i * 2], sequence[i * 2 + 1], 2); - printk("stradis%d: CS8420 initialized\n", saa->nr); -} - -static void initialize_saa7121(struct saa7146 *saa, int dopal) -{ - int i, mod; - u8 *sequence; - if (dopal) - sequence = init7121pal; - else - sequence = init7121ntsc; - mod = saaread(SAA7146_PSR) & 0x08; - /* initialize PAL/NTSC video encoder */ - for (i = 0; i < INIT7121LEN; i++) { - if (NewCard) { /* handle new card encoder differences */ - if (sequence[i * 2] == 0x3a) - I2CWrite(saa, 0x88, 0x3a, 0x13, 2); - else if (sequence[i * 2] == 0x6b) - I2CWrite(saa, 0x88, 0x6b, 0x20, 2); - else if (sequence[i * 2] == 0x6c) - I2CWrite(saa, 0x88, 0x6c, - dopal ? 0x09 : 0xf5, 2); - else if (sequence[i * 2] == 0x6d) - I2CWrite(saa, 0x88, 0x6d, - dopal ? 0x20 : 0x00, 2); - else if (sequence[i * 2] == 0x7a) - I2CWrite(saa, 0x88, 0x7a, - dopal ? (PALFirstActive - 1) : - (NTSCFirstActive - 4), 2); - else if (sequence[i * 2] == 0x7b) - I2CWrite(saa, 0x88, 0x7b, - dopal ? PALLastActive : - NTSCLastActive, 2); - else - I2CWrite(saa, 0x88, sequence[i * 2], - sequence[i * 2 + 1], 2); - } else { - if (sequence[i * 2] == 0x6b && mod) - I2CWrite(saa, 0x88, 0x6b, - (sequence[i * 2 + 1] ^ 0x09), 2); - else if (sequence[i * 2] == 0x7a) - I2CWrite(saa, 0x88, 0x7a, - dopal ? (PALFirstActive - 1) : - (NTSCFirstActive - 4), 2); - else if (sequence[i * 2] == 0x7b) - I2CWrite(saa, 0x88, 0x7b, - dopal ? PALLastActive : - NTSCLastActive, 2); - else - I2CWrite(saa, 0x88, sequence[i * 2], - sequence[i * 2 + 1], 2); - } - } -} - -static void set_genlock_offset(struct saa7146 *saa, int noffset) -{ - int nCode; - int PixelsPerLine = 858; - if (CurrentMode == VIDEO_MODE_PAL) - PixelsPerLine = 864; - if (noffset > 500) - noffset = 500; - else if (noffset < -500) - noffset = -500; - nCode = noffset + 0x100; - if (nCode == 1) - nCode = 0x401; - else if (nCode < 1) - nCode = 0x400 + PixelsPerLine + nCode; - debiwrite(saa, debNormal, XILINX_GLDELAY, nCode, 2); -} - -static void set_out_format(struct saa7146 *saa, int mode) -{ - initialize_saa7121(saa, (mode == VIDEO_MODE_NTSC ? 0 : 1)); - saa->boardcfg[2] = mode; - /* do not adjust analog video parameters here, use saa7121 init */ - /* you will affect the SDI output on the new card */ - if (mode == VIDEO_MODE_PAL) { /* PAL */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x0808, 2); - mdelay(50); - saawrite(0x012002c0, SAA7146_NUM_LINE_BYTE1); - if (NewCard) { - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, 0xe100, 2); - mdelay(50); - } - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - NewCard ? 0xe500 : 0x6500, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_DLY, - (1 << 8) | - (NewCard ? PALFirstActive : PALFirstActive - 6), 2); - } else { /* NTSC */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x0800, 2); - mdelay(50); - saawrite(0x00f002c0, SAA7146_NUM_LINE_BYTE1); - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - NewCard ? 0xe100 : 0x6100, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_DLY, - (1 << 8) | - (NewCard ? NTSCFirstActive : NTSCFirstActive - 6), 2); - } -} - -/* Intialize bitmangler to map from a byte value to the mangled word that - * must be output to program the Xilinx part through the DEBI port. - * Xilinx Data Bit->DEBI Bit: 0->15 1->7 2->6 3->12 4->11 5->2 6->1 7->0 - * transfer FPGA code, init IBM chip, transfer IBM microcode - * rev2 card mangles: 0->7 1->6 2->5 3->4 4->3 5->2 6->1 7->0 - */ -static u16 bitmangler[256]; - -static int initialize_fpga(struct video_code *bitdata) -{ - int i, num, startindex, failure = 0, loadtwo, loadfile = 0; - u16 *dmabuf; - u8 *newdma; - struct saa7146 *saa; - - /* verify fpga code */ - for (startindex = 0; startindex < bitdata->datasize; startindex++) - if (bitdata->data[startindex] == 255) - break; - if (startindex == bitdata->datasize) { - printk(KERN_INFO "stradis: bad fpga code\n"); - return -1; - } - /* initialize all detected cards */ - for (num = 0; num < saa_num; num++) { - saa = &saa7146s[num]; - if (saa->boardcfg[0] > 20) - continue; /* card was programmed */ - loadtwo = (saa->boardcfg[18] & 0x10); - if (!NewCard) /* we have an old board */ - for (i = 0; i < 256; i++) - bitmangler[i] = ((i & 0x01) << 15) | - ((i & 0x02) << 6) | ((i & 0x04) << 4) | - ((i & 0x08) << 9) | ((i & 0x10) << 7) | - ((i & 0x20) >> 3) | ((i & 0x40) >> 5) | - ((i & 0x80) >> 7); - else /* else we have a new board */ - for (i = 0; i < 256; i++) - bitmangler[i] = ((i & 0x01) << 7) | - ((i & 0x02) << 5) | ((i & 0x04) << 3) | - ((i & 0x08) << 1) | ((i & 0x10) >> 1) | - ((i & 0x20) >> 3) | ((i & 0x40) >> 5) | - ((i & 0x80) >> 7); - - dmabuf = (u16 *) saa->dmadebi; - newdma = (u8 *) saa->dmadebi; - if (NewCard) { /* SDM2xxx */ - if (!strncmp(bitdata->loadwhat, "decoder2", 8)) - continue; /* fpga not for this card */ - if (!strncmp(&saa->boardcfg[42], bitdata->loadwhat, 8)) - loadfile = 1; - else if (loadtwo && !strncmp(&saa->boardcfg[19], - bitdata->loadwhat, 8)) - loadfile = 2; - else if (!saa->boardcfg[42] && !strncmp("decxl", - bitdata->loadwhat, 8)) - loadfile = 1; /* special */ - else - continue; /* fpga not for this card */ - if (loadfile != 1 && loadfile != 2) - continue; /* skip to next card */ - if (saa->boardcfg[0] && loadfile == 1) - continue; /* skip to next card */ - if (saa->boardcfg[0] != 1 && loadfile == 2) - continue; /* skip to next card */ - saa->boardcfg[0]++; /* mark fpga handled */ - printk("stradis%d: loading %s\n", saa->nr, - bitdata->loadwhat); - if (loadtwo && loadfile == 2) - goto send_fpga_stuff; - /* turn on the Audio interface to set PROG low */ - saawrite(0x00400040, SAA7146_GPIO_CTRL); - saaread(SAA7146_PSR); /* ensure posted write */ - /* wait for everyone to reset */ - mdelay(10); - saawrite(0x00400000, SAA7146_GPIO_CTRL); - } else { /* original card */ - if (strncmp(bitdata->loadwhat, "decoder2", 8)) - continue; /* fpga not for this card */ - /* Pull the Xilinx PROG signal WS3 low */ - saawrite(0x02000200, SAA7146_MC1); - /* Turn on the Audio interface so can set PROG low */ - saawrite(0x000000c0, SAA7146_ACON1); - /* Pull the Xilinx INIT signal (GPIO2) low */ - saawrite(0x00400000, SAA7146_GPIO_CTRL); - /* Make sure everybody resets */ - saaread(SAA7146_PSR); /* ensure posted write */ - mdelay(10); - /* Release the Xilinx PROG signal */ - saawrite(0x00000000, SAA7146_ACON1); - /* Turn off the Audio interface */ - saawrite(0x02000000, SAA7146_MC1); - } - /* Release Xilinx INIT signal (WS2) */ - saawrite(0x00000000, SAA7146_GPIO_CTRL); - /* Wait for the INIT to go High */ - for (i = 0; - i < 10000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); - i++) - schedule(); - if (i == 1000) { - printk(KERN_INFO "stradis%d: no fpga INIT\n", saa->nr); - return -1; - } -send_fpga_stuff: - if (NewCard) { - for (i = startindex; i < bitdata->datasize; i++) - newdma[i - startindex] = - bitmangler[bitdata->data[i]]; - debiwrite(saa, 0x01420000, 0, 0, - ((bitdata->datasize - startindex) + 5)); - if (loadtwo && loadfile == 1) { - printk("stradis%d: awaiting 2nd FPGA bitfile\n", - saa->nr); - continue; /* skip to next card */ - } - } else { - for (i = startindex; i < bitdata->datasize; i++) - dmabuf[i - startindex] = - bitmangler[bitdata->data[i]]; - debiwrite(saa, 0x014a0000, 0, 0, - ((bitdata->datasize - startindex) + 5) * 2); - } - for (i = 0; - i < 1000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); - i++) - schedule(); - if (i == 1000) { - printk(KERN_INFO "stradis%d: FPGA load failed\n", - saa->nr); - failure++; - continue; - } - if (!NewCard) { - /* Pull the Xilinx INIT signal (GPIO2) low */ - saawrite(0x00400000, SAA7146_GPIO_CTRL); - saaread(SAA7146_PSR); /* ensure posted write */ - mdelay(2); - saawrite(0x00000000, SAA7146_GPIO_CTRL); - mdelay(2); - } - printk(KERN_INFO "stradis%d: FPGA Loaded\n", saa->nr); - saa->boardcfg[0] = 26; /* mark fpga programmed */ - /* set VXCO to its lowest frequency */ - debiwrite(saa, debNormal, XILINX_PWM, 0, 2); - if (NewCard) { - /* mute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, - 0, 2); - /* set VXCO to PWM mode, release reset, blank on */ - debiwrite(saa, debNormal, XILINX_CTL0, 0xffc4, 2); - mdelay(10); - /* unmute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CTL0, - 0x2020, 2); - } - /* set source Black */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2); - saa->boardcfg[4] = 22; /* set NTSC First Active Line */ - saa->boardcfg[5] = 23; /* set PAL First Active Line */ - saa->boardcfg[54] = 2; /* set NTSC Last Active Line - 256 */ - saa->boardcfg[55] = 54; /* set PAL Last Active Line - 256 */ - set_out_format(saa, VIDEO_MODE_NTSC); - mdelay(50); - /* begin IBM chip init */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2); - saaread(SAA7146_PSR); /* wait for reset */ - mdelay(5); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2); - debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0x10, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2); - if (NewCard) { - mdelay(5); - /* set i2s rate converter to 48KHz */ - debiwrite(saa, debNormal, 0x80c0, 6, 2); - /* we must init CS8420 first since rev b pulls i2s */ - /* master clock low and CS4341 needs i2s master to */ - /* run the i2c port. */ - if (HaveCS8420) - /* 0=consumer, 1=pro */ - initialize_cs8420(saa, 0); - - mdelay(5); - if (HaveCS4341) - initialize_cs4341(saa); - } - debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2); - debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2); - if (NewCard) - set_genlock_offset(saa, 0); - debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2); -#if 0 - /* enable genlock */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x8000, 2); -#else - /* disable genlock */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x8080, 2); -#endif - } - - return failure; -} - -static int do_ibm_reset(struct saa7146 *saa) -{ - /* failure if decoder not previously programmed */ - if (saa->boardcfg[0] < 37) - return -EIO; - /* mute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, 0, 2); - /* disable interrupts */ - saawrite(0, SAA7146_IER); - saa->audhead = saa->audtail = 0; - saa->vidhead = saa->vidtail = 0; - /* tristate debi bus, disable debi transfers */ - saawrite(0x00880000, SAA7146_MC1); - /* ensure posted write */ - saaread(SAA7146_MC1); - mdelay(50); - /* re-enable debi transfers */ - saawrite(0x00880088, SAA7146_MC1); - /* set source Black */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2); - /* begin IBM chip init */ - set_out_format(saa, CurrentMode); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2); - saaread(SAA7146_PSR); /* wait for reset */ - mdelay(5); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2); - debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2); - if (NewCard) { - mdelay(5); - /* set i2s rate converter to 48KHz */ - debiwrite(saa, debNormal, 0x80c0, 6, 2); - /* we must init CS8420 first since rev b pulls i2s */ - /* master clock low and CS4341 needs i2s master to */ - /* run the i2c port. */ - if (HaveCS8420) - /* 0=consumer, 1=pro */ - initialize_cs8420(saa, 1); - - mdelay(5); - if (HaveCS4341) - initialize_cs4341(saa); - } - debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2); - debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2); - if (NewCard) - set_genlock_offset(saa, 0); - debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2); - if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER, - (ChipControl == 0x43 ? 0xe800 : 0xe000), 1)) { - printk(KERN_ERR "stradis%d: IBM config failed\n", saa->nr); - } - if (HaveCS3310) { - int i = CS3310MaxLvl; - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, ((i << 8)| i),2); - } - /* start video decoder */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2); - /* 256k vid, 3520 bytes aud */ - debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - /* enable buffer threshold irq */ - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - /* clear pending interrupts */ - debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2); - - return 0; -} - -/* load the decoder microcode */ -static int initialize_ibmmpeg2(struct video_code *microcode) -{ - int i, num; - struct saa7146 *saa; - - for (num = 0; num < saa_num; num++) { - saa = &saa7146s[num]; - /* check that FPGA is loaded */ - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0xa55a, 2); - i = debiread(saa, debNormal, IBM_MP2_OSD_SIZE, 2); - if (i != 0xa55a) { - printk(KERN_INFO "stradis%d: %04x != 0xa55a\n", - saa->nr, i); -#if 0 - return -1; -#endif - } - if (!strncmp(microcode->loadwhat, "decoder.vid", 11)) { - if (saa->boardcfg[0] > 27) - continue; /* skip to next card */ - /* load video control store */ - saa->boardcfg[1] = 0x13; /* no-sync default */ - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2); - debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2); - for (i = 0; i < microcode->datasize / 2; i++) - debiwrite(saa, debNormal, IBM_MP2_PROC_IDATA, - (microcode->data[i * 2] << 8) | - microcode->data[i * 2 + 1], 2); - debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - saa->boardcfg[0] = 28; - } - if (!strncmp(microcode->loadwhat, "decoder.aud", 11)) { - if (saa->boardcfg[0] > 35) - continue; /* skip to next card */ - /* load audio control store */ - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2); - for (i = 0; i < microcode->datasize; i++) - debiwrite(saa, debNormal, IBM_MP2_AUD_IDATA, - microcode->data[i], 1); - debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2); - if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER, - 0xe000, 1)) { - printk(KERN_ERR "stradis%d: IBM config " - "failed\n", saa->nr); - return -1; - } - /* set PWM to center value */ - if (NewCard) { - debiwrite(saa, debNormal, XILINX_PWM, - saa->boardcfg[14] + - (saa->boardcfg[13] << 8), 2); - } else - debiwrite(saa, debNormal, XILINX_PWM, 0x46, 2); - - if (HaveCS3310) { - i = CS3310MaxLvl; - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, - (i << 8) | i, 2); - } - printk(KERN_INFO "stradis%d: IBM MPEGCD%d Inited\n", - saa->nr, 18 + (debiread(saa, debNormal, - IBM_MP2_CHIP_CONTROL, 2) >> 12)); - /* start video decoder */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, - 2); /* 256k vid, 3520 bytes aud */ - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - /* enable buffer threshold irq */ - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - /* enable gpio irq */ - saawrite(0x00002000, SAA7146_GPIO_CTRL); - /* enable decoder output to HPS */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2); - saa->boardcfg[0] = 37; - } - } - - return 0; -} - -static u32 palette2fmt[] = { /* some of these YUV translations are wrong */ - 0xffffffff, 0x86000000, 0x87000000, 0x80000000, 0x8100000, 0x82000000, - 0x83000000, 0x00000000, 0x03000000, 0x03000000, 0x0a00000, 0x03000000, - 0x06000000, 0x00000000, 0x03000000, 0x0a000000, 0x0300000 -}; -static int bpp2fmt[4] = { - VIDEO_PALETTE_HI240, VIDEO_PALETTE_RGB565, VIDEO_PALETTE_RGB24, - VIDEO_PALETTE_RGB32 -}; - -/* I wish I could find a formula to calculate these... */ -static u32 h_prescale[64] = { - 0x10000000, 0x18040202, 0x18080000, 0x380c0606, 0x38100204, 0x38140808, - 0x38180000, 0x381c0000, 0x3820161c, 0x38242a3b, 0x38281230, 0x382c4460, - 0x38301040, 0x38340080, 0x38380000, 0x383c0000, 0x3840fefe, 0x3844ee9f, - 0x3848ee9f, 0x384cee9f, 0x3850ee9f, 0x38542a3b, 0x38581230, 0x385c0000, - 0x38600000, 0x38640000, 0x38680000, 0x386c0000, 0x38700000, 0x38740000, - 0x38780000, 0x387c0000, 0x30800000, 0x38840000, 0x38880000, 0x388c0000, - 0x38900000, 0x38940000, 0x38980000, 0x389c0000, 0x38a00000, 0x38a40000, - 0x38a80000, 0x38ac0000, 0x38b00000, 0x38b40000, 0x38b80000, 0x38bc0000, - 0x38c00000, 0x38c40000, 0x38c80000, 0x38cc0000, 0x38d00000, 0x38d40000, - 0x38d80000, 0x38dc0000, 0x38e00000, 0x38e40000, 0x38e80000, 0x38ec0000, - 0x38f00000, 0x38f40000, 0x38f80000, 0x38fc0000, -}; -static u32 v_gain[64] = { - 0x016000ff, 0x016100ff, 0x016100ff, 0x016200ff, 0x016200ff, 0x016200ff, - 0x016200ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, - 0x016300ff, 0x016300ff, 0x016300ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, -}; - -static void saa7146_set_winsize(struct saa7146 *saa) -{ - u32 format; - int offset, yacl, ysci; - saa->win.color_fmt = format = - (saa->win.depth == 15) ? palette2fmt[VIDEO_PALETTE_RGB555] : - palette2fmt[bpp2fmt[(saa->win.bpp - 1) & 3]]; - offset = saa->win.x * saa->win.bpp + saa->win.y * saa->win.bpl; - saawrite(saa->win.vidadr + offset, SAA7146_BASE_EVEN1); - saawrite(saa->win.vidadr + offset + saa->win.bpl, SAA7146_BASE_ODD1); - saawrite(saa->win.bpl * 2, SAA7146_PITCH1); - saawrite(saa->win.vidadr + saa->win.bpl * saa->win.sheight, - SAA7146_PROT_ADDR1); - saawrite(0, SAA7146_PAGE1); - saawrite(format | 0x60, SAA7146_CLIP_FORMAT_CTRL); - offset = (704 / (saa->win.width - 1)) & 0x3f; - saawrite(h_prescale[offset], SAA7146_HPS_H_PRESCALE); - offset = (720896 / saa->win.width) / (offset + 1); - saawrite((offset << 12) | 0x0c, SAA7146_HPS_H_SCALE); - if (CurrentMode == VIDEO_MODE_NTSC) { - yacl = /*(480 / saa->win.height - 1) & 0x3f */ 0; - ysci = 1024 - (saa->win.height * 1024 / 480); - } else { - yacl = /*(576 / saa->win.height - 1) & 0x3f */ 0; - ysci = 1024 - (saa->win.height * 1024 / 576); - } - saawrite((1 << 31) | (ysci << 21) | (yacl << 15), SAA7146_HPS_V_SCALE); - saawrite(v_gain[yacl], SAA7146_HPS_V_GAIN); - saawrite(((SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_HPS_V | - SAA7146_MC2_UPLD_HPS_H) << 16) | (SAA7146_MC2_UPLD_DMA1 | - SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_HPS_H), SAA7146_MC2); -} - -/* clip_draw_rectangle(cm,x,y,w,h) -- handle clipping an area - * bitmap is fixed width, 128 bytes (1024 pixels represented) - * arranged most-sigificant-bit-left in 32-bit words - * based on saa7146 clipping hardware, it swaps bytes if LE - * much of this makes up for egcs brain damage -- so if you - * are wondering "why did he do this?" it is because the C - * was adjusted to generate the optimal asm output without - * writing non-portable __asm__ directives. - */ - -static void clip_draw_rectangle(u32 *clipmap, int x, int y, int w, int h) -{ - register int startword, endword; - register u32 bitsleft, bitsright; - u32 *temp; - if (x < 0) { - w += x; - x = 0; - } - if (y < 0) { - h += y; - y = 0; - } - if (w <= 0 || h <= 0 || x > 1023 || y > 639) - return; /* throw away bad clips */ - if (x + w > 1024) - w = 1024 - x; - if (y + h > 640) - h = 640 - y; - startword = (x >> 5); - endword = ((x + w) >> 5); - bitsleft = (0xffffffff >> (x & 31)); - bitsright = (0xffffffff << (~((x + w) - (endword << 5)))); - temp = &clipmap[(y << 5) + startword]; - w = endword - startword; - if (!w) { - bitsleft |= bitsright; - for (y = 0; y < h; y++) { - *temp |= bitsleft; - temp += 32; - } - } else { - for (y = 0; y < h; y++) { - *temp++ |= bitsleft; - for (x = 1; x < w; x++) - *temp++ = 0xffffffff; - *temp |= bitsright; - temp += (32 - w); - } - } -} - -static void make_clip_tab(struct saa7146 *saa, struct video_clip *cr, int ncr) -{ - int i, width, height; - u32 *clipmap; - - clipmap = saa->dmavid2; - if ((width = saa->win.width) > 1023) - width = 1023; /* sanity check */ - if ((height = saa->win.height) > 640) - height = 639; /* sanity check */ - if (ncr > 0) { /* rectangles pased */ - /* convert rectangular clips to a bitmap */ - memset(clipmap, 0, VIDEO_CLIPMAP_SIZE); /* clear map */ - for (i = 0; i < ncr; i++) - clip_draw_rectangle(clipmap, cr[i].x, cr[i].y, - cr[i].width, cr[i].height); - } - /* clip against viewing window AND screen - so we do not have to rely on the user program - */ - clip_draw_rectangle(clipmap, (saa->win.x + width > saa->win.swidth) ? - (saa->win.swidth - saa->win.x) : width, 0, 1024, 768); - clip_draw_rectangle(clipmap, 0, - (saa->win.y + height > saa->win.sheight) ? - (saa->win.sheight - saa->win.y) : height, 1024, 768); - if (saa->win.x < 0) - clip_draw_rectangle(clipmap, 0, 0, -saa->win.x, 768); - if (saa->win.y < 0) - clip_draw_rectangle(clipmap, 0, 0, 1024, -saa->win.y); -} - -static long saa_ioctl(struct file *file, - unsigned int cmd, unsigned long argl) -{ - struct saa7146 *saa = file->private_data; - void __user *arg = (void __user *)argl; - - switch (cmd) { - case VIDIOCGCAP: - { - struct video_capability b; - memset(&b, 0, sizeof(b)); - strcpy(b.name, saa->video_dev.name); - b.type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY | - VID_TYPE_CLIPPING | VID_TYPE_FRAMERAM | - VID_TYPE_SCALES; - b.channels = 1; - b.audios = 1; - b.maxwidth = 768; - b.maxheight = 576; - b.minwidth = 32; - b.minheight = 32; - if (copy_to_user(arg, &b, sizeof(b))) - return -EFAULT; - return 0; - } - case VIDIOCGPICT: - { - struct video_picture p = saa->picture; - if (saa->win.depth == 8) - p.palette = VIDEO_PALETTE_HI240; - if (saa->win.depth == 15) - p.palette = VIDEO_PALETTE_RGB555; - if (saa->win.depth == 16) - p.palette = VIDEO_PALETTE_RGB565; - if (saa->win.depth == 24) - p.palette = VIDEO_PALETTE_RGB24; - if (saa->win.depth == 32) - p.palette = VIDEO_PALETTE_RGB32; - if (copy_to_user(arg, &p, sizeof(p))) - return -EFAULT; - return 0; - } - case VIDIOCSPICT: - { - struct video_picture p; - u32 format; - if (copy_from_user(&p, arg, sizeof(p))) - return -EFAULT; - if (p.palette < ARRAY_SIZE(palette2fmt)) { - format = palette2fmt[p.palette]; - saa->win.color_fmt = format; - saawrite(format | 0x60, - SAA7146_CLIP_FORMAT_CTRL); - } - saawrite(((p.brightness & 0xff00) << 16) | - ((p.contrast & 0xfe00) << 7) | - ((p.colour & 0xfe00) >> 9), SAA7146_BCS_CTRL); - saa->picture = p; - /* upload changed registers */ - saawrite(((SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V) << 16) | - SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V, SAA7146_MC2); - return 0; - } - case VIDIOCSWIN: - { - struct video_window vw; - struct video_clip *vcp = NULL; - - if (copy_from_user(&vw, arg, sizeof(vw))) - return -EFAULT; - - /* stop capture */ - if (vw.flags || vw.width < 16 || vw.height < 16) { - saawrite((SAA7146_MC1_TR_E_1 << 16), - SAA7146_MC1); - return -EINVAL; - } - /* 32-bit align start and adjust width */ - if (saa->win.bpp < 4) { - int i = vw.x; - vw.x = (vw.x + 3) & ~3; - i = vw.x - i; - vw.width -= i; - } - saa->win.x = vw.x; - saa->win.y = vw.y; - saa->win.width = vw.width; - if (saa->win.width > 768) - saa->win.width = 768; - saa->win.height = vw.height; - if (CurrentMode == VIDEO_MODE_NTSC) { - if (saa->win.height > 480) - saa->win.height = 480; - } else { - if (saa->win.height > 576) - saa->win.height = 576; - } - - /* stop capture */ - saawrite((SAA7146_MC1_TR_E_1 << 16), SAA7146_MC1); - saa7146_set_winsize(saa); - - /* - * Do any clips. - */ - if (vw.clipcount < 0) { - if (copy_from_user(saa->dmavid2, vw.clips, - VIDEO_CLIPMAP_SIZE)) - return -EFAULT; - } else if (vw.clipcount > 16384) { - return -EINVAL; - } else if (vw.clipcount > 0) { - vcp = vmalloc(sizeof(struct video_clip) * - vw.clipcount); - if (vcp == NULL) - return -ENOMEM; - if (copy_from_user(vcp, vw.clips, - sizeof(struct video_clip) * - vw.clipcount)) { - vfree(vcp); - return -EFAULT; - } - } else /* nothing clipped */ - memset(saa->dmavid2, 0, VIDEO_CLIPMAP_SIZE); - - make_clip_tab(saa, vcp, vw.clipcount); - if (vw.clipcount > 0) - vfree(vcp); - - /* start capture & clip dma if we have an address */ - if ((saa->cap & 3) && saa->win.vidadr != 0) - saawrite(((SAA7146_MC1_TR_E_1 | - SAA7146_MC1_TR_E_2) << 16) | 0xffff, - SAA7146_MC1); - return 0; - } - case VIDIOCGWIN: - { - struct video_window vw; - memset(&vw, 0, sizeof(vw)); - vw.x = saa->win.x; - vw.y = saa->win.y; - vw.width = saa->win.width; - vw.height = saa->win.height; - vw.chromakey = 0; - vw.flags = 0; - if (copy_to_user(arg, &vw, sizeof(vw))) - return -EFAULT; - return 0; - } - case VIDIOCCAPTURE: - { - int v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if (v == 0) { - saa->cap &= ~1; - saawrite((SAA7146_MC1_TR_E_1 << 16), - SAA7146_MC1); - } else { - if (saa->win.vidadr == 0 || saa->win.width == 0 - || saa->win.height == 0) - return -EINVAL; - saa->cap |= 1; - saawrite((SAA7146_MC1_TR_E_1 << 16) | 0xffff, - SAA7146_MC1); - } - return 0; - } - case VIDIOCGFBUF: - { - struct video_buffer v; - memset(&v, 0, sizeof(v)); - v.base = (void *)saa->win.vidadr; - v.height = saa->win.sheight; - v.width = saa->win.swidth; - v.depth = saa->win.depth; - v.bytesperline = saa->win.bpl; - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - - } - case VIDIOCSFBUF: - { - struct video_buffer v; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if (v.depth != 8 && v.depth != 15 && v.depth != 16 && - v.depth != 24 && v.depth != 32 && v.width > 16 && - v.height > 16 && v.bytesperline > 16) - return -EINVAL; - if (v.base) - saa->win.vidadr = (unsigned long)v.base; - saa->win.sheight = v.height; - saa->win.swidth = v.width; - saa->win.bpp = ((v.depth + 7) & 0x38) / 8; - saa->win.depth = v.depth; - saa->win.bpl = v.bytesperline; - - DEBUG(printk("Display at %p is %d by %d, bytedepth %d, " - "bpl %d\n", v.base, v.width, v.height, - saa->win.bpp, saa->win.bpl)); - saa7146_set_winsize(saa); - return 0; - } - case VIDIOCKEY: - { - /* Will be handled higher up .. */ - return 0; - } - - case VIDIOCGAUDIO: - { - struct video_audio v; - memset(&v, 0, sizeof(v)); - v = saa->audio_dev; - v.flags &= ~(VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE); - v.flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME; - strcpy(v.name, "MPEG"); - v.mode = VIDEO_SOUND_STEREO; - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - case VIDIOCSAUDIO: - { - struct video_audio v; - int i; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - i = (~(v.volume >> 8)) & 0xff; - if (!HaveCS4341) { - if (v.flags & VIDEO_AUDIO_MUTE) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, 0xffff, 2); - if (!(v.flags & VIDEO_AUDIO_MUTE)) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, 0x0000, 2); - if (v.flags & VIDEO_AUDIO_VOLUME) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, - (i << 8) | i, 2); - } else { - if (v.flags & VIDEO_AUDIO_MUTE) - cs4341_setlevel(saa, 0xff, 0xff); - if (!(v.flags & VIDEO_AUDIO_MUTE)) - cs4341_setlevel(saa, 0, 0); - if (v.flags & VIDEO_AUDIO_VOLUME) - cs4341_setlevel(saa, i, i); - } - saa->audio_dev = v; - return 0; - } - - case VIDIOCGUNIT: - { - struct video_unit vu; - memset(&vu, 0, sizeof(vu)); - vu.video = saa->video_dev.minor; - vu.vbi = VIDEO_NO_UNIT; - vu.radio = VIDEO_NO_UNIT; - vu.audio = VIDEO_NO_UNIT; - vu.teletext = VIDEO_NO_UNIT; - if (copy_to_user(arg, &vu, sizeof(vu))) - return -EFAULT; - return 0; - } - case VIDIOCSPLAYMODE: - { - struct video_play_mode pmode; - if (copy_from_user((void *)&pmode, arg, - sizeof(struct video_play_mode))) - return -EFAULT; - switch (pmode.mode) { - case VID_PLAY_VID_OUT_MODE: - if (pmode.p1 != VIDEO_MODE_NTSC && - pmode.p1 != VIDEO_MODE_PAL) - return -EINVAL; - set_out_format(saa, pmode.p1); - return 0; - case VID_PLAY_GENLOCK: - debiwrite(saa, debNormal, XILINX_CTL0, - pmode.p1 ? 0x8000 : 0x8080, 2); - if (NewCard) - set_genlock_offset(saa, pmode.p2); - return 0; - case VID_PLAY_NORMAL: - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_PAUSE: - /* IBM removed the PAUSE command */ - /* they say use SINGLE_FRAME now */ - case VID_PLAY_SINGLE_FRAME: - ibm_send_command(saa, IBM_MP2_SINGLE_FRAME,0,0); - if (saa->playmode == pmode.mode) { - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - } - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_FAST_FORWARD: - ibm_send_command(saa, IBM_MP2_FAST_FORWARD,0,0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_SLOW_MOTION: - ibm_send_command(saa, IBM_MP2_SLOW_MOTION, - pmode.p1, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_IMMEDIATE_NORMAL: - /* ensure transfers resume */ - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - ibm_send_command(saa, IBM_MP2_IMED_NORM_PLAY, - 0, 0); - saa->playmode = VID_PLAY_NORMAL; - return 0; - case VID_PLAY_SWITCH_CHANNELS: - saa->audhead = saa->audtail = 0; - saa->vidhead = saa->vidtail = 0; - ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,1); - ibm_send_command(saa, IBM_MP2_RESET_AUD_RATE, - 0, 1); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - 0, 2); - ibm_send_command(saa, IBM_MP2_CHANNEL_SWITCH, - 0, 1); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - saa->playmode = VID_PLAY_NORMAL; - return 0; - case VID_PLAY_FREEZE_FRAME: - ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_STILL_MODE: - ibm_send_command(saa, IBM_MP2_SET_STILL_MODE, - 0, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_MASTER_MODE: - if (pmode.p1 == VID_PLAY_MASTER_NONE) - saa->boardcfg[1] = 0x13; - else if (pmode.p1 == VID_PLAY_MASTER_VIDEO) - saa->boardcfg[1] = 0x23; - else if (pmode.p1 == VID_PLAY_MASTER_AUDIO) - saa->boardcfg[1] = 0x43; - else - return -EINVAL; - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - return 0; - case VID_PLAY_ACTIVE_SCANLINES: - if (CurrentMode == VIDEO_MODE_PAL) { - if (pmode.p1 < 1 || pmode.p2 > 625) - return -EINVAL; - saa->boardcfg[5] = pmode.p1; - saa->boardcfg[55] = (pmode.p1 + - (pmode.p2 / 2) - 1) & 0xff; - } else { - if (pmode.p1 < 4 || pmode.p2 > 525) - return -EINVAL; - saa->boardcfg[4] = pmode.p1; - saa->boardcfg[54] = (pmode.p1 + - (pmode.p2 / 2) - 4) & 0xff; - } - set_out_format(saa, CurrentMode); - case VID_PLAY_RESET: - return do_ibm_reset(saa); - case VID_PLAY_END_MARK: - if (saa->endmarktail < saa->endmarkhead) { - if (saa->endmarkhead - - saa->endmarktail < 2) - return -ENOSPC; - } else if (saa->endmarkhead <=saa->endmarktail){ - if (saa->endmarktail - saa->endmarkhead - > (MAX_MARKS - 2)) - return -ENOSPC; - } else - return -ENOSPC; - saa->endmark[saa->endmarktail] = saa->audtail; - saa->endmarktail++; - if (saa->endmarktail >= MAX_MARKS) - saa->endmarktail = 0; - } - return -EINVAL; - } - case VIDIOCSWRITEMODE: - { - int mode; - if (copy_from_user((void *)&mode, arg, sizeof(int))) - return -EFAULT; - if (mode == VID_WRITE_MPEG_AUD || - mode == VID_WRITE_MPEG_VID || - mode == VID_WRITE_CC || - mode == VID_WRITE_TTX || - mode == VID_WRITE_OSD) { - saa->writemode = mode; - return 0; - } - return -EINVAL; - } - case VIDIOCSMICROCODE: - { - struct video_code ucode; - __u8 *udata; - int i; - if (copy_from_user(&ucode, arg, sizeof(ucode))) - return -EFAULT; - if (ucode.datasize > 65536 || ucode.datasize < 1024 || - strncmp(ucode.loadwhat, "dec", 3)) - return -EINVAL; - if ((udata = vmalloc(ucode.datasize)) == NULL) - return -ENOMEM; - if (copy_from_user(udata, ucode.data, ucode.datasize)) { - vfree(udata); - return -EFAULT; - } - ucode.data = udata; - if (!strncmp(ucode.loadwhat, "decoder.aud", 11) || - !strncmp(ucode.loadwhat, "decoder.vid", 11)) - i = initialize_ibmmpeg2(&ucode); - else - i = initialize_fpga(&ucode); - vfree(udata); - if (i) - return -EINVAL; - return 0; - - } - case VIDIOCGCHAN: /* this makes xawtv happy */ - { - struct video_channel v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - v.flags = VIDEO_VC_AUDIO; - v.tuners = 0; - v.type = VID_TYPE_MPEG_DECODER; - v.norm = CurrentMode; - strcpy(v.name, "MPEG2"); - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - case VIDIOCSCHAN: /* this makes xawtv happy */ - { - struct video_channel v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - /* do nothing */ - return 0; - } - default: - return -ENOIOCTLCMD; - } - return 0; -} - -static int saa_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct saa7146 *saa = file->private_data; - printk(KERN_DEBUG "stradis%d: saa_mmap called\n", saa->nr); - return -EINVAL; -} - -static ssize_t saa_read(struct file *file, char __user * buf, - size_t count, loff_t * ppos) -{ - return -EINVAL; -} - -static ssize_t saa_write(struct file *file, const char __user * buf, - size_t count, loff_t * ppos) -{ - struct saa7146 *saa = file->private_data; - unsigned long todo = count; - int blocksize, split; - unsigned long flags; - - while (todo > 0) { - if (saa->writemode == VID_WRITE_MPEG_AUD) { - spin_lock_irqsave(&saa->lock, flags); - if (saa->audhead <= saa->audtail) - blocksize = 65536 - - (saa->audtail - saa->audhead); - else - blocksize = saa->audhead - saa->audtail; - spin_unlock_irqrestore(&saa->lock, flags); - if (blocksize < 16384) { - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - /* wait for buffer space to open */ - interruptible_sleep_on(&saa->audq); - } - spin_lock_irqsave(&saa->lock, flags); - if (saa->audhead <= saa->audtail) { - blocksize = 65536 - - (saa->audtail - saa->audhead); - split = 65536 - saa->audtail; - } else { - blocksize = saa->audhead - saa->audtail; - split = 65536; - } - spin_unlock_irqrestore(&saa->lock, flags); - blocksize--; - if (blocksize > todo) - blocksize = todo; - /* double check that we really have space */ - if (!blocksize) - return -ENOSPC; - if (split < blocksize) { - if (copy_from_user(saa->audbuf + - saa->audtail, buf, split)) - return -EFAULT; - buf += split; - todo -= split; - blocksize -= split; - saa->audtail = 0; - } - if (copy_from_user(saa->audbuf + saa->audtail, buf, - blocksize)) - return -EFAULT; - saa->audtail += blocksize; - todo -= blocksize; - buf += blocksize; - saa->audtail &= 0xffff; - } else if (saa->writemode == VID_WRITE_MPEG_VID) { - spin_lock_irqsave(&saa->lock, flags); - if (saa->vidhead <= saa->vidtail) - blocksize = 524288 - - (saa->vidtail - saa->vidhead); - else - blocksize = saa->vidhead - saa->vidtail; - spin_unlock_irqrestore(&saa->lock, flags); - if (blocksize < 65536) { - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - /* wait for buffer space to open */ - interruptible_sleep_on(&saa->vidq); - } - spin_lock_irqsave(&saa->lock, flags); - if (saa->vidhead <= saa->vidtail) { - blocksize = 524288 - - (saa->vidtail - saa->vidhead); - split = 524288 - saa->vidtail; - } else { - blocksize = saa->vidhead - saa->vidtail; - split = 524288; - } - spin_unlock_irqrestore(&saa->lock, flags); - blocksize--; - if (blocksize > todo) - blocksize = todo; - /* double check that we really have space */ - if (!blocksize) - return -ENOSPC; - if (split < blocksize) { - if (copy_from_user(saa->vidbuf + - saa->vidtail, buf, split)) - return -EFAULT; - buf += split; - todo -= split; - blocksize -= split; - saa->vidtail = 0; - } - if (copy_from_user(saa->vidbuf + saa->vidtail, buf, - blocksize)) - return -EFAULT; - saa->vidtail += blocksize; - todo -= blocksize; - buf += blocksize; - saa->vidtail &= 0x7ffff; - } else if (saa->writemode == VID_WRITE_OSD) { - if (count > 131072) - return -ENOSPC; - if (copy_from_user(saa->osdbuf, buf, count)) - return -EFAULT; - buf += count; - saa->osdhead = 0; - saa->osdtail = count; - debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_LINK_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00d, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - debiread(saa, debNormal, - IBM_MP2_DISP_MODE, 2) | 1, 2); - /* trigger osd data transfer */ - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - } - } - return count; -} - -static int saa_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct saa7146 *saa = container_of(vdev, struct saa7146, video_dev); - - lock_kernel(); - file->private_data = saa; - - saa->user++; - if (saa->user > 1) { - saa->user--; - unlock_kernel(); - return 0; /* device open already, don't reset */ - } - saa->writemode = VID_WRITE_MPEG_VID; /* default to video */ - unlock_kernel(); - return 0; -} - -static int saa_release(struct file *file) -{ - struct saa7146 *saa = file->private_data; - saa->user--; - - if (saa->user > 0) /* still someone using device */ - return 0; - saawrite(0x007f0000, SAA7146_MC1); /* stop all overlay dma */ - return 0; -} - -static const struct v4l2_file_operations saa_fops = { - .owner = THIS_MODULE, - .open = saa_open, - .release = saa_release, - .ioctl = saa_ioctl, - .read = saa_read, - .write = saa_write, - .mmap = saa_mmap, -}; - -/* template for video_device-structure */ -static struct video_device saa_template = { - .name = "SAA7146A", - .fops = &saa_fops, - .release = video_device_release_empty, -}; - -static int __devinit configure_saa7146(struct pci_dev *pdev, int num) -{ - int retval; - struct saa7146 *saa = pci_get_drvdata(pdev); - - saa->endmarkhead = saa->endmarktail = 0; - saa->win.x = saa->win.y = 0; - saa->win.width = saa->win.cropwidth = 720; - saa->win.height = saa->win.cropheight = 480; - saa->win.cropx = saa->win.cropy = 0; - saa->win.bpp = 2; - saa->win.depth = 16; - saa->win.color_fmt = palette2fmt[VIDEO_PALETTE_RGB565]; - saa->win.bpl = 1024 * saa->win.bpp; - saa->win.swidth = 1024; - saa->win.sheight = 768; - saa->picture.brightness = 32768; - saa->picture.contrast = 38768; - saa->picture.colour = 32768; - saa->cap = 0; - saa->nr = num; - saa->playmode = VID_PLAY_NORMAL; - memset(saa->boardcfg, 0, 64); /* clear board config area */ - saa->saa7146_mem = NULL; - saa->dmavid1 = saa->dmavid2 = saa->dmavid3 = saa->dmaa1in = - saa->dmaa1out = saa->dmaa2in = saa->dmaa2out = - saa->pagevid1 = saa->pagevid2 = saa->pagevid3 = saa->pagea1in = - saa->pagea1out = saa->pagea2in = saa->pagea2out = - saa->pagedebi = saa->dmaRPS1 = saa->dmaRPS2 = saa->pageRPS1 = - saa->pageRPS2 = NULL; - saa->audbuf = saa->vidbuf = saa->osdbuf = saa->dmadebi = NULL; - saa->audhead = saa->vidtail = 0; - - init_waitqueue_head(&saa->i2cq); - init_waitqueue_head(&saa->audq); - init_waitqueue_head(&saa->debiq); - init_waitqueue_head(&saa->vidq); - spin_lock_init(&saa->lock); - - retval = pci_enable_device(pdev); - if (retval) { - dev_err(&pdev->dev, "%d: pci_enable_device failed!\n", num); - goto err; - } - - saa->id = pdev->device; - saa->irq = pdev->irq; - saa->saa7146_adr = pci_resource_start(pdev, 0); - pci_read_config_byte(pdev, PCI_CLASS_REVISION, &saa->revision); - - saa->saa7146_mem = ioremap(saa->saa7146_adr, 0x200); - if (saa->saa7146_mem == NULL) { - dev_err(&pdev->dev, "%d: ioremap failed!\n", num); - retval = -EIO; - goto err; - } - - memcpy(&saa->video_dev, &saa_template, sizeof(saa_template)); - saawrite(0, SAA7146_IER); /* turn off all interrupts */ - - retval = request_irq(saa->irq, saa7146_irq, IRQF_SHARED | IRQF_DISABLED, - "stradis", saa); - if (retval == -EINVAL) - dev_err(&pdev->dev, "%d: Bad irq number or handler\n", num); - else if (retval == -EBUSY) - dev_err(&pdev->dev, "%d: IRQ %ld busy, change your PnP config " - "in BIOS\n", num, saa->irq); - if (retval < 0) - goto errio; - - pci_set_master(pdev); - retval = video_register_device(&saa->video_dev, VFL_TYPE_GRABBER, - video_nr); - if (retval < 0) { - dev_err(&pdev->dev, "%d: error in registering video device!\n", - num); - goto errirq; - } - - return 0; - -errirq: - free_irq(saa->irq, saa); -errio: - iounmap(saa->saa7146_mem); -err: - return retval; -} - -static int __devinit init_saa7146(struct pci_dev *pdev) -{ - struct saa7146 *saa = pci_get_drvdata(pdev); - - saa->user = 0; - /* reset the saa7146 */ - saawrite(0xffff0000, SAA7146_MC1); - mdelay(5); - /* enable debi and i2c transfers and pins */ - saawrite(((SAA7146_MC1_EDP | SAA7146_MC1_EI2C | - SAA7146_MC1_TR_E_DEBI) << 16) | 0xffff, SAA7146_MC1); - /* ensure proper state of chip */ - saawrite(0x00000000, SAA7146_PAGE1); - saawrite(0x00f302c0, SAA7146_NUM_LINE_BYTE1); - saawrite(0x00000000, SAA7146_PAGE2); - saawrite(0x01400080, SAA7146_NUM_LINE_BYTE2); - saawrite(0x00000000, SAA7146_DD1_INIT); - saawrite(0x00000000, SAA7146_DD1_STREAM_B); - saawrite(0x00000000, SAA7146_DD1_STREAM_A); - saawrite(0x00000000, SAA7146_BRS_CTRL); - saawrite(0x80400040, SAA7146_BCS_CTRL); - saawrite(0x0000e000 /*| (1<<29) */ , SAA7146_HPS_CTRL); - saawrite(0x00000060, SAA7146_CLIP_FORMAT_CTRL); - saawrite(0x00000000, SAA7146_ACON1); - saawrite(0x00000000, SAA7146_ACON2); - saawrite(0x00000600, SAA7146_I2C_STATUS); - saawrite(((SAA7146_MC2_UPLD_D1_B | SAA7146_MC2_UPLD_D1_A | - SAA7146_MC2_UPLD_BRS | SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_DMA2 | - SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_I2C) << 16) | 0xffff, - SAA7146_MC2); - /* setup arbitration control registers */ - saawrite(0x1412121a, SAA7146_PCI_BT_V1); - - /* allocate 32k dma buffer + 4k for page table */ - if ((saa->dmadebi = kmalloc(32768 + 4096, GFP_KERNEL)) == NULL) { - dev_err(&pdev->dev, "%d: debi kmalloc failed\n", saa->nr); - goto err; - } -#if 0 - saa->pagedebi = saa->dmadebi + 32768; /* top 4k is for mmu */ - saawrite(virt_to_bus(saa->pagedebi) /*|0x800 */ , SAA7146_DEBI_PAGE); - for (i = 0; i < 12; i++) /* setup mmu page table */ - saa->pagedebi[i] = virt_to_bus((saa->dmadebi + i * 4096)); -#endif - saa->audhead = saa->vidhead = saa->osdhead = 0; - saa->audtail = saa->vidtail = saa->osdtail = 0; - if (saa->vidbuf == NULL && (saa->vidbuf = vmalloc(524288)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto err; - } - if (saa->audbuf == NULL && (saa->audbuf = vmalloc(65536)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto errfree; - } - if (saa->osdbuf == NULL && (saa->osdbuf = vmalloc(131072)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto errfree; - } - /* allocate 81920 byte buffer for clipping */ - if ((saa->dmavid2 = kzalloc(VIDEO_CLIPMAP_SIZE, GFP_KERNEL)) == NULL) { - dev_err(&pdev->dev, "%d: clip kmalloc failed\n", saa->nr); - goto errfree; - } - /* setup clipping registers */ - saawrite(virt_to_bus(saa->dmavid2), SAA7146_BASE_EVEN2); - saawrite(virt_to_bus(saa->dmavid2) + 128, SAA7146_BASE_ODD2); - saawrite(virt_to_bus(saa->dmavid2) + VIDEO_CLIPMAP_SIZE, - SAA7146_PROT_ADDR2); - saawrite(256, SAA7146_PITCH2); - saawrite(4, SAA7146_PAGE2); /* dma direction: read, no byteswap */ - saawrite(((SAA7146_MC2_UPLD_DMA2) << 16) | SAA7146_MC2_UPLD_DMA2, - SAA7146_MC2); - I2CBusScan(saa); - - return 0; -errfree: - vfree(saa->osdbuf); - vfree(saa->audbuf); - vfree(saa->vidbuf); - saa->audbuf = saa->osdbuf = saa->vidbuf = NULL; -err: - return -ENOMEM; -} - -static void stradis_release_saa(struct pci_dev *pdev) -{ - u8 command; - struct saa7146 *saa = pci_get_drvdata(pdev); - - /* turn off all capturing, DMA and IRQs */ - saawrite(0xffff0000, SAA7146_MC1); /* reset chip */ - saawrite(0, SAA7146_MC2); - saawrite(0, SAA7146_IER); - saawrite(0xffffffffUL, SAA7146_ISR); - - /* disable PCI bus-mastering */ - pci_read_config_byte(pdev, PCI_COMMAND, &command); - command &= ~PCI_COMMAND_MASTER; - pci_write_config_byte(pdev, PCI_COMMAND, command); - - /* unmap and free memory */ - saa->audhead = saa->audtail = saa->osdhead = 0; - saa->vidhead = saa->vidtail = saa->osdtail = 0; - vfree(saa->vidbuf); - vfree(saa->audbuf); - vfree(saa->osdbuf); - kfree(saa->dmavid2); - saa->audbuf = saa->vidbuf = saa->osdbuf = NULL; - saa->dmavid2 = NULL; - kfree(saa->dmadebi); - kfree(saa->dmavid1); - kfree(saa->dmavid3); - kfree(saa->dmaa1in); - kfree(saa->dmaa1out); - kfree(saa->dmaa2in); - kfree(saa->dmaa2out); - kfree(saa->dmaRPS1); - kfree(saa->dmaRPS2); - free_irq(saa->irq, saa); - if (saa->saa7146_mem) - iounmap(saa->saa7146_mem); - if (video_is_registered(&saa->video_dev)) - video_unregister_device(&saa->video_dev); -} - -static int __devinit stradis_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - int retval = -EINVAL; - - if (saa_num >= SAA7146_MAX) - goto err; - - if (!pdev->subsystem_vendor) - dev_info(&pdev->dev, "%d: rev1 decoder\n", saa_num); - else - dev_info(&pdev->dev, "%d: SDM2xx found\n", saa_num); - - pci_set_drvdata(pdev, &saa7146s[saa_num]); - - retval = configure_saa7146(pdev, saa_num); - if (retval) { - dev_err(&pdev->dev, "%d: error in configuring\n", saa_num); - goto err; - } - - if (init_saa7146(pdev) < 0) { - dev_err(&pdev->dev, "%d: error in initialization\n", saa_num); - retval = -EIO; - goto errrel; - } - - saa_num++; - - return 0; -errrel: - stradis_release_saa(pdev); -err: - return retval; -} - -static void __devexit stradis_remove(struct pci_dev *pdev) -{ - stradis_release_saa(pdev); -} - -static struct pci_device_id stradis_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146) }, - { 0 } -}; - - -static struct pci_driver stradis_driver = { - .name = "stradis", - .id_table = stradis_pci_tbl, - .probe = stradis_probe, - .remove = __devexit_p(stradis_remove) -}; - -static int __init stradis_init(void) -{ - int retval; - - saa_num = 0; - - retval = pci_register_driver(&stradis_driver); - if (retval) - printk(KERN_ERR "stradis: Unable to register pci driver.\n"); - - return retval; -} - -static void __exit stradis_exit(void) -{ - pci_unregister_driver(&stradis_driver); - printk(KERN_INFO "stradis: module cleanup complete\n"); -} - -module_init(stradis_init); -module_exit(stradis_exit); diff --git a/drivers/staging/tm6000/Kconfig b/drivers/staging/tm6000/Kconfig index de7ebb99d8f6..114eec8a630a 100644 --- a/drivers/staging/tm6000/Kconfig +++ b/drivers/staging/tm6000/Kconfig @@ -1,6 +1,6 @@ config VIDEO_TM6000 tristate "TV Master TM5600/6000/6010 driver" - depends on VIDEO_DEV && I2C && INPUT && IR_CORE && USB && EXPERIMENTAL + depends on VIDEO_DEV && I2C && INPUT && RC_CORE && USB && EXPERIMENTAL select VIDEO_TUNER select MEDIA_TUNER_XC2028 select MEDIA_TUNER_XC5000 diff --git a/drivers/staging/tm6000/TODO b/drivers/staging/tm6000/TODO index 34780fc17b16..135d0ea3ad70 100644 --- a/drivers/staging/tm6000/TODO +++ b/drivers/staging/tm6000/TODO @@ -1,4 +1,6 @@ There a few things to do before putting this driver in production: + - IR NEC with tm5600/6000 TV cards + - IR RC5 with tm5600/6000/6010 TV cards - CodingStyle; - Fix audio; - Fix some panic/OOPS conditions. diff --git a/drivers/staging/tm6000/tm6000-cards.c b/drivers/staging/tm6000/tm6000-cards.c index b143258f094a..455038bdfc9f 100644 --- a/drivers/staging/tm6000/tm6000-cards.c +++ b/drivers/staging/tm6000/tm6000-cards.c @@ -328,6 +328,47 @@ struct usb_device_id tm6000_id_table[] = { { }, }; +/* Control power led for show some activity */ +void tm6000_flash_led(struct tm6000_core *dev, u8 state) +{ + /* Power LED unconfigured */ + if (!dev->gpio.power_led) + return; + + /* ON Power LED */ + if (state) { + switch (dev->model) { + case TM6010_BOARD_HAUPPAUGE_900H: + case TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE: + case TM6010_BOARD_TWINHAN_TU501: + tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, + dev->gpio.power_led, 0x00); + break; + case TM6010_BOARD_BEHOLD_WANDER: + case TM6010_BOARD_BEHOLD_VOYAGER: + tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, + dev->gpio.power_led, 0x01); + break; + } + } + /* OFF Power LED */ + else { + switch (dev->model) { + case TM6010_BOARD_HAUPPAUGE_900H: + case TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE: + case TM6010_BOARD_TWINHAN_TU501: + tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, + dev->gpio.power_led, 0x01); + break; + case TM6010_BOARD_BEHOLD_WANDER: + case TM6010_BOARD_BEHOLD_VOYAGER: + tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, + dev->gpio.power_led, 0x00); + break; + } + } +} + /* Tuner callback to provide the proper gpio changes needed for xc5000 */ int tm6000_xc5000_callback(void *ptr, int component, int command, int arg) { @@ -521,13 +562,6 @@ int tm6000_cards_setup(struct tm6000_core *dev) printk(KERN_ERR "Error %i doing tuner reset\n", rc); return rc; } - msleep(10); - - if (!i) { - rc = tm6000_get_reg32(dev, REQ_40_GET_VERSION, 0, 0); - if (rc >= 0) - printk(KERN_DEBUG "board=0x%08x\n", rc); - } } } else { printk(KERN_ERR "Tuner reset is not configured\n"); diff --git a/drivers/staging/tm6000/tm6000-core.c b/drivers/staging/tm6000/tm6000-core.c index 40a0206e2432..96aed4ace467 100644 --- a/drivers/staging/tm6000/tm6000-core.c +++ b/drivers/staging/tm6000/tm6000-core.c @@ -542,6 +542,26 @@ int tm6000_init(struct tm6000_core *dev) int board, rc = 0, i, size; struct reg_init *tab; + /* Check board revision */ + board = tm6000_get_reg32(dev, REQ_40_GET_VERSION, 0, 0); + if (board >= 0) { + switch (board & 0xff) { + case 0xf3: + printk(KERN_INFO "Found tm6000\n"); + if (dev->dev_type != TM6000) + dev->dev_type = TM6000; + break; + case 0xf4: + printk(KERN_INFO "Found tm6010\n"); + if (dev->dev_type != TM6010) + dev->dev_type = TM6010; + break; + default: + printk(KERN_INFO "Unknown board version = 0x%08x\n", board); + } + } else + printk(KERN_ERR "Error %i while retrieving board version\n", board); + if (dev->dev_type == TM6010) { tab = tm6010_init_tab; size = ARRAY_SIZE(tm6010_init_tab); @@ -563,13 +583,6 @@ int tm6000_init(struct tm6000_core *dev) msleep(5); /* Just to be conservative */ - /* Check board version - maybe 10Moons specific */ - board = tm6000_get_reg32(dev, REQ_40_GET_VERSION, 0, 0); - if (board >= 0) - printk(KERN_INFO "Board version = 0x%08x\n", board); - else - printk(KERN_ERR "Error %i while retrieving board version\n", board); - rc = tm6000_cards_setup(dev); return rc; @@ -709,5 +722,5 @@ void tm6000_close_extension(struct tm6000_core *dev) ops->fini(dev); } } - mutex_lock(&tm6000_devlist_mutex); + mutex_unlock(&tm6000_devlist_mutex); } diff --git a/drivers/staging/tm6000/tm6000-i2c.c b/drivers/staging/tm6000/tm6000-i2c.c index 93f625fc852b..18de4748f27e 100644 --- a/drivers/staging/tm6000/tm6000-i2c.c +++ b/drivers/staging/tm6000/tm6000-i2c.c @@ -301,33 +301,11 @@ static u32 functionality(struct i2c_adapter *adap) return I2C_FUNC_SMBUS_EMUL; } -#define mass_write(addr, reg, data...) \ - { static const u8 _val[] = data; \ - rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR, \ - REQ_16_SET_GET_I2C_WR1_RDN, (reg<<8)+addr, 0x00, (u8 *) _val, \ - ARRAY_SIZE(_val)); \ - if (rc < 0) { \ - printk(KERN_ERR "Error on line %d: %d\n", __LINE__, rc); \ - return rc; \ - } \ - msleep(10); \ - } - -static struct i2c_algorithm tm6000_algo = { +static const struct i2c_algorithm tm6000_algo = { .master_xfer = tm6000_i2c_xfer, .functionality = functionality, }; -static struct i2c_adapter tm6000_adap_template = { - .owner = THIS_MODULE, - .name = "tm6000", - .algo = &tm6000_algo, -}; - -static struct i2c_client tm6000_client_template = { - .name = "tm6000 internal", -}; - /* ----------------------------------------------------------- */ /* @@ -337,17 +315,20 @@ static struct i2c_client tm6000_client_template = { int tm6000_i2c_register(struct tm6000_core *dev) { unsigned char eedata[256]; + int rc; - dev->i2c_adap = tm6000_adap_template; + dev->i2c_adap.owner = THIS_MODULE; + dev->i2c_adap.algo = &tm6000_algo; dev->i2c_adap.dev.parent = &dev->udev->dev; - strcpy(dev->i2c_adap.name, dev->name); + strlcpy(dev->i2c_adap.name, dev->name, sizeof(dev->i2c_adap.name)); dev->i2c_adap.algo_data = dev; - i2c_add_adapter(&dev->i2c_adap); + i2c_set_adapdata(&dev->i2c_adap, &dev->v4l2_dev); + rc = i2c_add_adapter(&dev->i2c_adap); + if (rc) + return rc; - dev->i2c_client = tm6000_client_template; dev->i2c_client.adapter = &dev->i2c_adap; - - i2c_set_adapdata(&dev->i2c_adap, &dev->v4l2_dev); + strlcpy(dev->i2c_client.name, "tm6000 internal", I2C_NAME_SIZE); tm6000_i2c_eeprom(dev, eedata, sizeof(eedata)); diff --git a/drivers/staging/tm6000/tm6000-input.c b/drivers/staging/tm6000/tm6000-input.c index 6022caaa739b..21e7da40f049 100644 --- a/drivers/staging/tm6000/tm6000-input.c +++ b/drivers/staging/tm6000/tm6000-input.c @@ -24,8 +24,7 @@ #include <linux/input.h> #include <linux/usb.h> -#include <media/ir-core.h> -#include <media/ir-common.h> +#include <media/rc-core.h> #include "tm6000.h" #include "tm6000-regs.h" @@ -38,6 +37,10 @@ static unsigned int enable_ir = 1; module_param(enable_ir, int, 0644); MODULE_PARM_DESC(enable_ir, "enable ir (default is enable)"); +/* number of 50ms for ON-OFF-ON power led */ +/* show IR activity */ +#define PWLED_OFF 2 + #undef dprintk #define dprintk(fmt, arg...) \ @@ -51,8 +54,7 @@ struct tm6000_ir_poll_result { struct tm6000_IR { struct tm6000_core *dev; - struct ir_input_dev *input; - struct ir_input_state ir; + struct rc_dev *rc; char name[32]; char phys[32]; @@ -61,13 +63,16 @@ struct tm6000_IR { struct delayed_work work; u8 wait:1; u8 key:1; + u8 pwled:1; + u8 pwledcnt; + u16 key_addr; struct urb *int_urb; u8 *urb_data; int (*get_key) (struct tm6000_IR *, struct tm6000_ir_poll_result *); /* IR device properties */ - struct ir_dev_props props; + u64 rc_type; }; @@ -91,26 +96,49 @@ static int tm6000_ir_config(struct tm6000_IR *ir) u8 buf[10]; int rc; - /* hack */ - buf[0] = 0xff; - buf[1] = 0xff; - buf[2] = 0xf2; - buf[3] = 0x2b; - buf[4] = 0x20; - buf[5] = 0x35; - buf[6] = 0x60; - buf[7] = 0x04; - buf[8] = 0xc0; - buf[9] = 0x08; - - rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR | - USB_RECIP_DEVICE, REQ_00_SET_IR_VALUE, 0, 0, buf, 0x0a); - msleep(100); - - if (rc < 0) { - printk(KERN_INFO "IR configuration failed"); - return rc; + switch (ir->rc_type) { + case RC_TYPE_NEC: + /* Setup IR decoder for NEC standard 12MHz system clock */ + /* IR_LEADER_CNT = 0.9ms */ + tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_LEADER1, 0xaa); + tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_LEADER0, 0x30); + /* IR_PULSE_CNT = 0.7ms */ + tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_PULSE_CNT1, 0x20); + tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_PULSE_CNT0, 0xd0); + /* Remote WAKEUP = enable */ + tm6000_set_reg(dev, TM6010_REQ07_RE5_REMOTE_WAKEUP, 0xfe); + /* IR_WKUP_SEL = Low byte in decoded IR data */ + tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_WAKEUP_SEL, 0xff); + /* IR_WKU_ADD code */ + tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_WAKEUP_ADD, 0xff); + tm6000_flash_led(dev, 0); + msleep(100); + tm6000_flash_led(dev, 1); + break; + default: + /* hack */ + buf[0] = 0xff; + buf[1] = 0xff; + buf[2] = 0xf2; + buf[3] = 0x2b; + buf[4] = 0x20; + buf[5] = 0x35; + buf[6] = 0x60; + buf[7] = 0x04; + buf[8] = 0xc0; + buf[9] = 0x08; + + rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR | + USB_RECIP_DEVICE, REQ_00_SET_IR_VALUE, 0, 0, buf, 0x0a); + msleep(100); + + if (rc < 0) { + printk(KERN_INFO "IR configuration failed"); + return rc; + } + break; } + return 0; } @@ -145,17 +173,28 @@ static int default_polling_getkey(struct tm6000_IR *ir, return 0; if (&dev->int_in) { - if (ir->ir.ir_type == IR_TYPE_RC5) + switch (ir->rc_type) { + case RC_TYPE_RC5: poll_result->rc_data = ir->urb_data[0]; - else - poll_result->rc_data = ir->urb_data[0] | ir->urb_data[1] << 8; + break; + case RC_TYPE_NEC: + if (ir->urb_data[1] == ((ir->key_addr >> 8) & 0xff)) { + poll_result->rc_data = ir->urb_data[0] + | ir->urb_data[1] << 8; + } + break; + default: + poll_result->rc_data = ir->urb_data[0] + | ir->urb_data[1] << 8; + break; + } } else { tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0); msleep(10); tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1); msleep(10); - if (ir->ir.ir_type == IR_TYPE_RC5) { + if (ir->rc_type == RC_TYPE_RC5) { rc = tm6000_read_write_usb(dev, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, REQ_02_GET_IR_CODE, 0, 0, buf, 1); @@ -188,6 +227,7 @@ static int default_polling_getkey(struct tm6000_IR *ir, static void tm6000_ir_handle_key(struct tm6000_IR *ir) { + struct tm6000_core *dev = ir->dev; int result; struct tm6000_ir_poll_result poll_result; @@ -200,12 +240,21 @@ static void tm6000_ir_handle_key(struct tm6000_IR *ir) dprintk("ir->get_key result data=%04x\n", poll_result.rc_data); - if (ir->key) { - ir_input_keydown(ir->input->input_dev, &ir->ir, - (u32)poll_result.rc_data); + if (ir->pwled) { + if (ir->pwledcnt >= PWLED_OFF) { + ir->pwled = 0; + ir->pwledcnt = 0; + tm6000_flash_led(dev, 1); + } else + ir->pwledcnt += 1; + } - ir_input_nokey(ir->input->input_dev, &ir->ir); + if (ir->key) { + rc_keydown(ir->rc, poll_result.rc_data, 0); ir->key = 0; + ir->pwled = 1; + ir->pwledcnt = 0; + tm6000_flash_led(dev, 0); } return; } @@ -218,9 +267,9 @@ static void tm6000_ir_work(struct work_struct *work) schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling)); } -static int tm6000_ir_start(void *priv) +static int tm6000_ir_start(struct rc_dev *rc) { - struct tm6000_IR *ir = priv; + struct tm6000_IR *ir = rc->priv; INIT_DELAYED_WORK(&ir->work, tm6000_ir_work); schedule_delayed_work(&ir->work, 0); @@ -228,30 +277,91 @@ static int tm6000_ir_start(void *priv) return 0; } -static void tm6000_ir_stop(void *priv) +static void tm6000_ir_stop(struct rc_dev *rc) { - struct tm6000_IR *ir = priv; + struct tm6000_IR *ir = rc->priv; cancel_delayed_work_sync(&ir->work); } -int tm6000_ir_change_protocol(void *priv, u64 ir_type) +int tm6000_ir_change_protocol(struct rc_dev *rc, u64 rc_type) { - struct tm6000_IR *ir = priv; + struct tm6000_IR *ir = rc->priv; + + if (!ir) + return 0; + + if ((rc->rc_map.scan) && (rc_type == RC_TYPE_NEC)) + ir->key_addr = ((rc->rc_map.scan[0].scancode >> 8) & 0xffff); ir->get_key = default_polling_getkey; + ir->rc_type = rc_type; tm6000_ir_config(ir); /* TODO */ return 0; } +int tm6000_ir_int_start(struct tm6000_core *dev) +{ + struct tm6000_IR *ir = dev->ir; + int pipe, size; + int err = -ENOMEM; + + + if (!ir) + return -ENODEV; + + ir->int_urb = usb_alloc_urb(0, GFP_KERNEL); + + pipe = usb_rcvintpipe(dev->udev, + dev->int_in.endp->desc.bEndpointAddress + & USB_ENDPOINT_NUMBER_MASK); + + size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); + dprintk("IR max size: %d\n", size); + + ir->int_urb->transfer_buffer = kzalloc(size, GFP_KERNEL); + if (ir->int_urb->transfer_buffer == NULL) { + usb_free_urb(ir->int_urb); + return err; + } + dprintk("int interval: %d\n", dev->int_in.endp->desc.bInterval); + usb_fill_int_urb(ir->int_urb, dev->udev, pipe, + ir->int_urb->transfer_buffer, size, + tm6000_ir_urb_received, dev, + dev->int_in.endp->desc.bInterval); + err = usb_submit_urb(ir->int_urb, GFP_KERNEL); + if (err) { + kfree(ir->int_urb->transfer_buffer); + usb_free_urb(ir->int_urb); + return err; + } + ir->urb_data = kzalloc(size, GFP_KERNEL); + + return 0; +} + +void tm6000_ir_int_stop(struct tm6000_core *dev) +{ + struct tm6000_IR *ir = dev->ir; + + if (!ir) + return; + + usb_kill_urb(ir->int_urb); + kfree(ir->int_urb->transfer_buffer); + usb_free_urb(ir->int_urb); + ir->int_urb = NULL; + kfree(ir->urb_data); + ir->urb_data = NULL; +} + int tm6000_ir_init(struct tm6000_core *dev) { struct tm6000_IR *ir; - struct ir_input_dev *ir_input_dev; + struct rc_dev *rc; int err = -ENOMEM; - int pipe, size, rc; if (!enable_ir) return -ENODEV; @@ -263,26 +373,27 @@ int tm6000_ir_init(struct tm6000_core *dev) return 0; ir = kzalloc(sizeof(*ir), GFP_KERNEL); - ir_input_dev = kzalloc(sizeof(*ir_input_dev), GFP_KERNEL); - ir_input_dev->input_dev = input_allocate_device(); - if (!ir || !ir_input_dev || !ir_input_dev->input_dev) - goto err_out_free; + rc = rc_allocate_device(); + if (!ir | !rc) + goto out; /* record handles to ourself */ ir->dev = dev; dev->ir = ir; - - ir->input = ir_input_dev; + ir->rc = rc; /* input einrichten */ - ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC; - ir->props.priv = ir; - ir->props.change_protocol = tm6000_ir_change_protocol; - ir->props.open = tm6000_ir_start; - ir->props.close = tm6000_ir_stop; - ir->props.driver_type = RC_DRIVER_SCANCODE; + rc->allowed_protos = RC_TYPE_RC5 | RC_TYPE_NEC; + rc->priv = ir; + rc->change_protocol = tm6000_ir_change_protocol; + rc->open = tm6000_ir_start; + rc->close = tm6000_ir_stop; + rc->driver_type = RC_DRIVER_SCANCODE; ir->polling = 50; + ir->pwled = 0; + ir->pwledcnt = 0; + snprintf(ir->name, sizeof(ir->name), "tm5600/60x0 IR (%s)", dev->name); @@ -290,64 +401,37 @@ int tm6000_ir_init(struct tm6000_core *dev) usb_make_path(dev->udev, ir->phys, sizeof(ir->phys)); strlcat(ir->phys, "/input0", sizeof(ir->phys)); - tm6000_ir_change_protocol(ir, IR_TYPE_UNKNOWN); - err = ir_input_init(ir_input_dev->input_dev, &ir->ir, IR_TYPE_OTHER); - if (err < 0) - goto err_out_free; - - ir_input_dev->input_dev->name = ir->name; - ir_input_dev->input_dev->phys = ir->phys; - ir_input_dev->input_dev->id.bustype = BUS_USB; - ir_input_dev->input_dev->id.version = 1; - ir_input_dev->input_dev->id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); - ir_input_dev->input_dev->id.product = le16_to_cpu(dev->udev->descriptor.idProduct); + tm6000_ir_change_protocol(rc, RC_TYPE_UNKNOWN); - ir_input_dev->input_dev->dev.parent = &dev->udev->dev; + rc->input_name = ir->name; + rc->input_phys = ir->phys; + rc->input_id.bustype = BUS_USB; + rc->input_id.version = 1; + rc->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); + rc->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct); + rc->map_name = dev->ir_codes; + rc->driver_name = "tm6000"; + rc->dev.parent = &dev->udev->dev; if (&dev->int_in) { dprintk("IR over int\n"); - ir->int_urb = usb_alloc_urb(0, GFP_KERNEL); + err = tm6000_ir_int_start(dev); - pipe = usb_rcvintpipe(dev->udev, - dev->int_in.endp->desc.bEndpointAddress - & USB_ENDPOINT_NUMBER_MASK); - - size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); - dprintk("IR max size: %d\n", size); - - ir->int_urb->transfer_buffer = kzalloc(size, GFP_KERNEL); - if (ir->int_urb->transfer_buffer == NULL) { - usb_free_urb(ir->int_urb); - goto err_out_stop; - } - dprintk("int interval: %d\n", dev->int_in.endp->desc.bInterval); - usb_fill_int_urb(ir->int_urb, dev->udev, pipe, - ir->int_urb->transfer_buffer, size, - tm6000_ir_urb_received, dev, - dev->int_in.endp->desc.bInterval); - rc = usb_submit_urb(ir->int_urb, GFP_KERNEL); - if (rc) { - kfree(ir->int_urb->transfer_buffer); - usb_free_urb(ir->int_urb); - err = rc; - goto err_out_stop; - } - ir->urb_data = kzalloc(size, GFP_KERNEL); + if (err) + goto out; } /* ir register */ - err = ir_input_register(ir->input->input_dev, dev->ir_codes, - &ir->props, "tm6000"); + err = rc_register_device(rc); if (err) - goto err_out_stop; + goto out; return 0; -err_out_stop: +out: dev->ir = NULL; -err_out_free: - kfree(ir_input_dev); + rc_free_device(rc); kfree(ir); return err; } @@ -361,19 +445,12 @@ int tm6000_ir_fini(struct tm6000_core *dev) if (!ir) return 0; - ir_input_unregister(ir->input->input_dev); + rc_unregister_device(ir->rc); if (ir->int_urb) { - usb_kill_urb(ir->int_urb); - kfree(ir->int_urb->transfer_buffer); - usb_free_urb(ir->int_urb); - ir->int_urb = NULL; - kfree(ir->urb_data); - ir->urb_data = NULL; + tm6000_ir_int_stop(dev); } - kfree(ir->input); - ir->input = NULL; kfree(ir); dev->ir = NULL; diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c index c5690b2a8924..8fe017c3721f 100644 --- a/drivers/staging/tm6000/tm6000-video.c +++ b/drivers/staging/tm6000/tm6000-video.c @@ -545,11 +545,16 @@ static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) /* De-allocates all pending stuff */ tm6000_uninit_isoc(dev); + /* Stop interrupt USB pipe */ + tm6000_ir_int_stop(dev); usb_set_interface(dev->udev, dev->isoc_in.bInterfaceNumber, dev->isoc_in.bAlternateSetting); + /* Start interrupt USB pipe */ + tm6000_ir_int_start(dev); + pipe = usb_rcvisocpipe(dev->udev, dev->isoc_in.endp->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); @@ -986,15 +991,6 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) file->f_flags & O_NONBLOCK); } -#ifdef CONFIG_VIDEO_V4L1_COMPAT -static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) -{ - struct tm6000_fh *fh = priv; - - return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); -} -#endif - static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) { struct tm6000_fh *fh = priv; @@ -1438,9 +1434,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_querybuf = vidioc_querybuf, .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, -#ifdef CONFIG_VIDEO_V4L1_COMPAT - .vidiocgmbuf = vidiocgmbuf, -#endif }; static struct video_device tm6000_template = { diff --git a/drivers/staging/tm6000/tm6000.h b/drivers/staging/tm6000/tm6000.h index 46017b603190..bf11eeec92c7 100644 --- a/drivers/staging/tm6000/tm6000.h +++ b/drivers/staging/tm6000/tm6000.h @@ -266,6 +266,7 @@ struct tm6000_fh { int tm6000_tuner_callback(void *ptr, int component, int command, int arg); int tm6000_xc5000_callback(void *ptr, int component, int command, int arg); int tm6000_cards_setup(struct tm6000_core *dev); +void tm6000_flash_led(struct tm6000_core *dev, u8 state); /* In tm6000-core.c */ @@ -332,6 +333,8 @@ int tm6000_queue_init(struct tm6000_core *dev); int tm6000_ir_init(struct tm6000_core *dev); int tm6000_ir_fini(struct tm6000_core *dev); void tm6000_ir_wait(struct tm6000_core *dev, u8 state); +int tm6000_ir_int_start(struct tm6000_core *dev); +void tm6000_ir_int_stop(struct tm6000_core *dev); /* Debug stuff */ diff --git a/drivers/staging/usbvideo/Kconfig b/drivers/staging/usbvideo/Kconfig new file mode 100644 index 000000000000..566d659e6ff3 --- /dev/null +++ b/drivers/staging/usbvideo/Kconfig @@ -0,0 +1,15 @@ +config VIDEO_USBVIDEO + tristate + +config USB_VICAM + tristate "USB 3com HomeConnect (aka vicam) support (DEPRECATED)" + depends on VIDEO_DEV && VIDEO_V4L2_COMMON && USB + select VIDEO_USBVIDEO + ---help--- + Say Y here if you have 3com homeconnect camera (vicam). + + This driver uses the deprecated V4L1 API and will be removed in + 2.6.39, unless someone converts it to the V4L2 API. + + To compile this driver as a module, choose M here: the + module will be called vicam. diff --git a/drivers/staging/usbvideo/Makefile b/drivers/staging/usbvideo/Makefile new file mode 100644 index 000000000000..3c99a9a2d8d3 --- /dev/null +++ b/drivers/staging/usbvideo/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_VIDEO_USBVIDEO) += usbvideo.o +obj-$(CONFIG_USB_VICAM) += vicam.o diff --git a/drivers/staging/usbvideo/TODO b/drivers/staging/usbvideo/TODO new file mode 100644 index 000000000000..3b2c03836286 --- /dev/null +++ b/drivers/staging/usbvideo/TODO @@ -0,0 +1,5 @@ +This is an obsolete driver for some old webcams that still use V4L1 API. +As V4L1 support is being removed from kernel, if nobody take care on it, +the driver will be removed for 2.6.39. + +Please send patches to linux-media@vger.kernel.org diff --git a/drivers/staging/usbvideo/usbvideo.c b/drivers/staging/usbvideo/usbvideo.c new file mode 100644 index 000000000000..f1fcf9744961 --- /dev/null +++ b/drivers/staging/usbvideo/usbvideo.c @@ -0,0 +1,2230 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/mm.h> +#include <linux/vmalloc.h> +#include <linux/init.h> +#include <linux/spinlock.h> + +#include <asm/io.h> + +#include "usbvideo.h" + +#if defined(MAP_NR) +#define virt_to_page(v) MAP_NR(v) /* Kernels 2.2.x */ +#endif + +static int video_nr = -1; +module_param(video_nr, int, 0); + +/* + * Local prototypes. + */ +static void usbvideo_Disconnect(struct usb_interface *intf); +static void usbvideo_CameraRelease(struct uvd *uvd); + +static long usbvideo_v4l_ioctl(struct file *file, + unsigned int cmd, unsigned long arg); +static int usbvideo_v4l_mmap(struct file *file, struct vm_area_struct *vma); +static int usbvideo_v4l_open(struct file *file); +static ssize_t usbvideo_v4l_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos); +static int usbvideo_v4l_close(struct file *file); + +static int usbvideo_StartDataPump(struct uvd *uvd); +static void usbvideo_StopDataPump(struct uvd *uvd); +static int usbvideo_GetFrame(struct uvd *uvd, int frameNum); +static int usbvideo_NewFrame(struct uvd *uvd, int framenum); +static void usbvideo_SoftwareContrastAdjustment(struct uvd *uvd, + struct usbvideo_frame *frame); + +/*******************************/ +/* Memory management functions */ +/*******************************/ +static void *usbvideo_rvmalloc(unsigned long size) +{ + void *mem; + unsigned long adr; + + size = PAGE_ALIGN(size); + mem = vmalloc_32(size); + if (!mem) + return NULL; + + memset(mem, 0, size); /* Clear the ram out, no junk to the user */ + adr = (unsigned long) mem; + while (size > 0) { + SetPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + + return mem; +} + +static void usbvideo_rvfree(void *mem, unsigned long size) +{ + unsigned long adr; + + if (!mem) + return; + + adr = (unsigned long) mem; + while ((long) size > 0) { + ClearPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + vfree(mem); +} + +static void RingQueue_Initialize(struct RingQueue *rq) +{ + assert(rq != NULL); + init_waitqueue_head(&rq->wqh); +} + +static void RingQueue_Allocate(struct RingQueue *rq, int rqLen) +{ + /* Make sure the requested size is a power of 2 and + round up if necessary. This allows index wrapping + using masks rather than modulo */ + + int i = 1; + assert(rq != NULL); + assert(rqLen > 0); + + while(rqLen >> i) + i++; + if(rqLen != 1 << (i-1)) + rqLen = 1 << i; + + rq->length = rqLen; + rq->ri = rq->wi = 0; + rq->queue = usbvideo_rvmalloc(rq->length); + assert(rq->queue != NULL); +} + +static int RingQueue_IsAllocated(const struct RingQueue *rq) +{ + if (rq == NULL) + return 0; + return (rq->queue != NULL) && (rq->length > 0); +} + +static void RingQueue_Free(struct RingQueue *rq) +{ + assert(rq != NULL); + if (RingQueue_IsAllocated(rq)) { + usbvideo_rvfree(rq->queue, rq->length); + rq->queue = NULL; + rq->length = 0; + } +} + +int RingQueue_Dequeue(struct RingQueue *rq, unsigned char *dst, int len) +{ + int rql, toread; + + assert(rq != NULL); + assert(dst != NULL); + + rql = RingQueue_GetLength(rq); + if(!rql) + return 0; + + /* Clip requested length to available data */ + if(len > rql) + len = rql; + + toread = len; + if(rq->ri > rq->wi) { + /* Read data from tail */ + int read = (toread < (rq->length - rq->ri)) ? toread : rq->length - rq->ri; + memcpy(dst, rq->queue + rq->ri, read); + toread -= read; + dst += read; + rq->ri = (rq->ri + read) & (rq->length-1); + } + if(toread) { + /* Read data from head */ + memcpy(dst, rq->queue + rq->ri, toread); + rq->ri = (rq->ri + toread) & (rq->length-1); + } + return len; +} + +EXPORT_SYMBOL(RingQueue_Dequeue); + +int RingQueue_Enqueue(struct RingQueue *rq, const unsigned char *cdata, int n) +{ + int enqueued = 0; + + assert(rq != NULL); + assert(cdata != NULL); + assert(rq->length > 0); + while (n > 0) { + int m, q_avail; + + /* Calculate the largest chunk that fits the tail of the ring */ + q_avail = rq->length - rq->wi; + if (q_avail <= 0) { + rq->wi = 0; + q_avail = rq->length; + } + m = n; + assert(q_avail > 0); + if (m > q_avail) + m = q_avail; + + memcpy(rq->queue + rq->wi, cdata, m); + RING_QUEUE_ADVANCE_INDEX(rq, wi, m); + cdata += m; + enqueued += m; + n -= m; + } + return enqueued; +} + +EXPORT_SYMBOL(RingQueue_Enqueue); + +static void RingQueue_InterruptibleSleepOn(struct RingQueue *rq) +{ + assert(rq != NULL); + interruptible_sleep_on(&rq->wqh); +} + +void RingQueue_WakeUpInterruptible(struct RingQueue *rq) +{ + assert(rq != NULL); + if (waitqueue_active(&rq->wqh)) + wake_up_interruptible(&rq->wqh); +} + +EXPORT_SYMBOL(RingQueue_WakeUpInterruptible); + +void RingQueue_Flush(struct RingQueue *rq) +{ + assert(rq != NULL); + rq->ri = 0; + rq->wi = 0; +} + +EXPORT_SYMBOL(RingQueue_Flush); + + +/* + * usbvideo_VideosizeToString() + * + * This procedure converts given videosize value to readable string. + * + * History: + * 07-Aug-2000 Created. + * 19-Oct-2000 Reworked for usbvideo module. + */ +static void usbvideo_VideosizeToString(char *buf, int bufLen, videosize_t vs) +{ + char tmp[40]; + int n; + + n = 1 + sprintf(tmp, "%ldx%ld", VIDEOSIZE_X(vs), VIDEOSIZE_Y(vs)); + assert(n < sizeof(tmp)); + if ((buf == NULL) || (bufLen < n)) + err("usbvideo_VideosizeToString: buffer is too small."); + else + memmove(buf, tmp, n); +} + +/* + * usbvideo_OverlayChar() + * + * History: + * 01-Feb-2000 Created. + */ +static void usbvideo_OverlayChar(struct uvd *uvd, struct usbvideo_frame *frame, + int x, int y, int ch) +{ + static const unsigned short digits[16] = { + 0xF6DE, /* 0 */ + 0x2492, /* 1 */ + 0xE7CE, /* 2 */ + 0xE79E, /* 3 */ + 0xB792, /* 4 */ + 0xF39E, /* 5 */ + 0xF3DE, /* 6 */ + 0xF492, /* 7 */ + 0xF7DE, /* 8 */ + 0xF79E, /* 9 */ + 0x77DA, /* a */ + 0xD75C, /* b */ + 0xF24E, /* c */ + 0xD6DC, /* d */ + 0xF34E, /* e */ + 0xF348 /* f */ + }; + unsigned short digit; + int ix, iy; + int value; + + if ((uvd == NULL) || (frame == NULL)) + return; + + value = hex_to_bin(ch); + if (value < 0) + return; + digit = digits[value]; + + for (iy=0; iy < 5; iy++) { + for (ix=0; ix < 3; ix++) { + if (digit & 0x8000) { + if (uvd->paletteBits & (1L << VIDEO_PALETTE_RGB24)) { +/* TODO */ RGB24_PUTPIXEL(frame, x+ix, y+iy, 0xFF, 0xFF, 0xFF); + } + } + digit = digit << 1; + } + } +} + +/* + * usbvideo_OverlayString() + * + * History: + * 01-Feb-2000 Created. + */ +static void usbvideo_OverlayString(struct uvd *uvd, struct usbvideo_frame *frame, + int x, int y, const char *str) +{ + while (*str) { + usbvideo_OverlayChar(uvd, frame, x, y, *str); + str++; + x += 4; /* 3 pixels character + 1 space */ + } +} + +/* + * usbvideo_OverlayStats() + * + * Overlays important debugging information. + * + * History: + * 01-Feb-2000 Created. + */ +static void usbvideo_OverlayStats(struct uvd *uvd, struct usbvideo_frame *frame) +{ + const int y_diff = 8; + char tmp[16]; + int x = 10, y=10; + long i, j, barLength; + const int qi_x1 = 60, qi_y1 = 10; + const int qi_x2 = VIDEOSIZE_X(frame->request) - 10, qi_h = 10; + + /* Call the user callback, see if we may proceed after that */ + if (VALID_CALLBACK(uvd, overlayHook)) { + if (GET_CALLBACK(uvd, overlayHook)(uvd, frame) < 0) + return; + } + + /* + * We draw a (mostly) hollow rectangle with qi_xxx coordinates. + * Left edge symbolizes the queue index 0; right edge symbolizes + * the full capacity of the queue. + */ + barLength = qi_x2 - qi_x1 - 2; + if ((barLength > 10) && (uvd->paletteBits & (1L << VIDEO_PALETTE_RGB24))) { +/* TODO */ long u_lo, u_hi, q_used; + long m_ri, m_wi, m_lo, m_hi; + + /* + * Determine fill zones (used areas of the queue): + * 0 xxxxxxx u_lo ...... uvd->dp.ri xxxxxxxx u_hi ..... uvd->dp.length + * + * if u_lo < 0 then there is no first filler. + */ + + q_used = RingQueue_GetLength(&uvd->dp); + if ((uvd->dp.ri + q_used) >= uvd->dp.length) { + u_hi = uvd->dp.length; + u_lo = (q_used + uvd->dp.ri) & (uvd->dp.length-1); + } else { + u_hi = (q_used + uvd->dp.ri); + u_lo = -1; + } + + /* Convert byte indices into screen units */ + m_ri = qi_x1 + ((barLength * uvd->dp.ri) / uvd->dp.length); + m_wi = qi_x1 + ((barLength * uvd->dp.wi) / uvd->dp.length); + m_lo = (u_lo > 0) ? (qi_x1 + ((barLength * u_lo) / uvd->dp.length)) : -1; + m_hi = qi_x1 + ((barLength * u_hi) / uvd->dp.length); + + for (j=qi_y1; j < (qi_y1 + qi_h); j++) { + for (i=qi_x1; i < qi_x2; i++) { + /* Draw border lines */ + if ((j == qi_y1) || (j == (qi_y1 + qi_h - 1)) || + (i == qi_x1) || (i == (qi_x2 - 1))) { + RGB24_PUTPIXEL(frame, i, j, 0xFF, 0xFF, 0xFF); + continue; + } + /* For all other points the Y coordinate does not matter */ + if ((i >= m_ri) && (i <= (m_ri + 3))) { + RGB24_PUTPIXEL(frame, i, j, 0x00, 0xFF, 0x00); + } else if ((i >= m_wi) && (i <= (m_wi + 3))) { + RGB24_PUTPIXEL(frame, i, j, 0xFF, 0x00, 0x00); + } else if ((i < m_lo) || ((i > m_ri) && (i < m_hi))) + RGB24_PUTPIXEL(frame, i, j, 0x00, 0x00, 0xFF); + } + } + } + + sprintf(tmp, "%8lx", uvd->stats.frame_num); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8lx", uvd->stats.urb_count); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8lx", uvd->stats.urb_length); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8lx", uvd->stats.data_count); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8lx", uvd->stats.header_count); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8lx", uvd->stats.iso_skip_count); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8lx", uvd->stats.iso_err_count); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8x", uvd->vpic.colour); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8x", uvd->vpic.hue); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8x", uvd->vpic.brightness >> 8); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8x", uvd->vpic.contrast >> 12); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; + + sprintf(tmp, "%8d", uvd->vpic.whiteness >> 8); + usbvideo_OverlayString(uvd, frame, x, y, tmp); + y += y_diff; +} + +/* + * usbvideo_ReportStatistics() + * + * This procedure prints packet and transfer statistics. + * + * History: + * 14-Jan-2000 Corrected default multiplier. + */ +static void usbvideo_ReportStatistics(const struct uvd *uvd) +{ + if ((uvd != NULL) && (uvd->stats.urb_count > 0)) { + unsigned long allPackets, badPackets, goodPackets, percent; + allPackets = uvd->stats.urb_count * CAMERA_URB_FRAMES; + badPackets = uvd->stats.iso_skip_count + uvd->stats.iso_err_count; + goodPackets = allPackets - badPackets; + /* Calculate percentage wisely, remember integer limits */ + assert(allPackets != 0); + if (goodPackets < (((unsigned long)-1)/100)) + percent = (100 * goodPackets) / allPackets; + else + percent = goodPackets / (allPackets / 100); + dev_info(&uvd->dev->dev, + "Packet Statistics: Total=%lu. Empty=%lu. Usage=%lu%%\n", + allPackets, badPackets, percent); + if (uvd->iso_packet_len > 0) { + unsigned long allBytes, xferBytes; + char multiplier = ' '; + allBytes = allPackets * uvd->iso_packet_len; + xferBytes = uvd->stats.data_count; + assert(allBytes != 0); + if (xferBytes < (((unsigned long)-1)/100)) + percent = (100 * xferBytes) / allBytes; + else + percent = xferBytes / (allBytes / 100); + /* Scale xferBytes for easy reading */ + if (xferBytes > 10*1024) { + xferBytes /= 1024; + multiplier = 'K'; + if (xferBytes > 10*1024) { + xferBytes /= 1024; + multiplier = 'M'; + if (xferBytes > 10*1024) { + xferBytes /= 1024; + multiplier = 'G'; + if (xferBytes > 10*1024) { + xferBytes /= 1024; + multiplier = 'T'; + } + } + } + } + dev_info(&uvd->dev->dev, + "Transfer Statistics: Transferred=%lu%cB Usage=%lu%%\n", + xferBytes, multiplier, percent); + } + } +} + +/* + * usbvideo_TestPattern() + * + * Procedure forms a test pattern (yellow grid on blue background). + * + * Parameters: + * fullframe: if TRUE then entire frame is filled, otherwise the procedure + * continues from the current scanline. + * pmode 0: fill the frame with solid blue color (like on VCR or TV) + * 1: Draw a colored grid + * + * History: + * 01-Feb-2000 Created. + */ +void usbvideo_TestPattern(struct uvd *uvd, int fullframe, int pmode) +{ + struct usbvideo_frame *frame; + int num_cell = 0; + int scan_length = 0; + static int num_pass; + + if (uvd == NULL) { + err("%s: uvd == NULL", __func__); + return; + } + if ((uvd->curframe < 0) || (uvd->curframe >= USBVIDEO_NUMFRAMES)) { + err("%s: uvd->curframe=%d.", __func__, uvd->curframe); + return; + } + + /* Grab the current frame */ + frame = &uvd->frame[uvd->curframe]; + + /* Optionally start at the beginning */ + if (fullframe) { + frame->curline = 0; + frame->seqRead_Length = 0; + } +#if 0 + { /* For debugging purposes only */ + char tmp[20]; + usbvideo_VideosizeToString(tmp, sizeof(tmp), frame->request); + dev_info(&uvd->dev->dev, "testpattern: frame=%s\n", tmp); + } +#endif + /* Form every scan line */ + for (; frame->curline < VIDEOSIZE_Y(frame->request); frame->curline++) { + int i; + unsigned char *f = frame->data + + (VIDEOSIZE_X(frame->request) * V4L_BYTES_PER_PIXEL * frame->curline); + for (i=0; i < VIDEOSIZE_X(frame->request); i++) { + unsigned char cb=0x80; + unsigned char cg = 0; + unsigned char cr = 0; + + if (pmode == 1) { + if (frame->curline % 32 == 0) + cb = 0, cg = cr = 0xFF; + else if (i % 32 == 0) { + if (frame->curline % 32 == 1) + num_cell++; + cb = 0, cg = cr = 0xFF; + } else { + cb = ((num_cell*7) + num_pass) & 0xFF; + cg = ((num_cell*5) + num_pass*2) & 0xFF; + cr = ((num_cell*3) + num_pass*3) & 0xFF; + } + } else { + /* Just the blue screen */ + } + + *f++ = cb; + *f++ = cg; + *f++ = cr; + scan_length += 3; + } + } + + frame->frameState = FrameState_Done; + frame->seqRead_Length += scan_length; + ++num_pass; + + /* We do this unconditionally, regardless of FLAGS_OVERLAY_STATS */ + usbvideo_OverlayStats(uvd, frame); +} + +EXPORT_SYMBOL(usbvideo_TestPattern); + + +#ifdef DEBUG +/* + * usbvideo_HexDump() + * + * A debugging tool. Prints hex dumps. + * + * History: + * 29-Jul-2000 Added printing of offsets. + */ +void usbvideo_HexDump(const unsigned char *data, int len) +{ + const int bytes_per_line = 32; + char tmp[128]; /* 32*3 + 5 */ + int i, k; + + for (i=k=0; len > 0; i++, len--) { + if (i > 0 && ((i % bytes_per_line) == 0)) { + printk("%s\n", tmp); + k=0; + } + if ((i % bytes_per_line) == 0) + k += sprintf(&tmp[k], "%04x: ", i); + k += sprintf(&tmp[k], "%02x ", data[i]); + } + if (k > 0) + printk("%s\n", tmp); +} + +EXPORT_SYMBOL(usbvideo_HexDump); + +#endif + +/* ******************************************************************** */ + +/* XXX: this piece of crap really wants some error handling.. */ +static int usbvideo_ClientIncModCount(struct uvd *uvd) +{ + if (uvd == NULL) { + err("%s: uvd == NULL", __func__); + return -EINVAL; + } + if (uvd->handle == NULL) { + err("%s: uvd->handle == NULL", __func__); + return -EINVAL; + } + if (!try_module_get(uvd->handle->md_module)) { + err("%s: try_module_get() == 0", __func__); + return -ENODEV; + } + return 0; +} + +static void usbvideo_ClientDecModCount(struct uvd *uvd) +{ + if (uvd == NULL) { + err("%s: uvd == NULL", __func__); + return; + } + if (uvd->handle == NULL) { + err("%s: uvd->handle == NULL", __func__); + return; + } + if (uvd->handle->md_module == NULL) { + err("%s: uvd->handle->md_module == NULL", __func__); + return; + } + module_put(uvd->handle->md_module); +} + +int usbvideo_register( + struct usbvideo **pCams, + const int num_cams, + const int num_extra, + const char *driverName, + const struct usbvideo_cb *cbTbl, + struct module *md, + const struct usb_device_id *id_table) +{ + struct usbvideo *cams; + int i, base_size, result; + + /* Check parameters for sanity */ + if ((num_cams <= 0) || (pCams == NULL) || (cbTbl == NULL)) { + err("%s: Illegal call", __func__); + return -EINVAL; + } + + /* Check registration callback - must be set! */ + if (cbTbl->probe == NULL) { + err("%s: probe() is required!", __func__); + return -EINVAL; + } + + base_size = num_cams * sizeof(struct uvd) + sizeof(struct usbvideo); + cams = kzalloc(base_size, GFP_KERNEL); + if (cams == NULL) { + err("Failed to allocate %d. bytes for usbvideo struct", base_size); + return -ENOMEM; + } + dbg("%s: Allocated $%p (%d. bytes) for %d. cameras", + __func__, cams, base_size, num_cams); + + /* Copy callbacks, apply defaults for those that are not set */ + memmove(&cams->cb, cbTbl, sizeof(cams->cb)); + if (cams->cb.getFrame == NULL) + cams->cb.getFrame = usbvideo_GetFrame; + if (cams->cb.disconnect == NULL) + cams->cb.disconnect = usbvideo_Disconnect; + if (cams->cb.startDataPump == NULL) + cams->cb.startDataPump = usbvideo_StartDataPump; + if (cams->cb.stopDataPump == NULL) + cams->cb.stopDataPump = usbvideo_StopDataPump; + + cams->num_cameras = num_cams; + cams->cam = (struct uvd *) &cams[1]; + cams->md_module = md; + mutex_init(&cams->lock); /* to 1 == available */ + + for (i = 0; i < num_cams; i++) { + struct uvd *up = &cams->cam[i]; + + up->handle = cams; + + /* Allocate user_data separately because of kmalloc's limits */ + if (num_extra > 0) { + up->user_size = num_cams * num_extra; + up->user_data = kmalloc(up->user_size, GFP_KERNEL); + if (up->user_data == NULL) { + err("%s: Failed to allocate user_data (%d. bytes)", + __func__, up->user_size); + while (i) { + up = &cams->cam[--i]; + kfree(up->user_data); + } + kfree(cams); + return -ENOMEM; + } + dbg("%s: Allocated cams[%d].user_data=$%p (%d. bytes)", + __func__, i, up->user_data, up->user_size); + } + } + + /* + * Register ourselves with USB stack. + */ + strcpy(cams->drvName, (driverName != NULL) ? driverName : "Unknown"); + cams->usbdrv.name = cams->drvName; + cams->usbdrv.probe = cams->cb.probe; + cams->usbdrv.disconnect = cams->cb.disconnect; + cams->usbdrv.id_table = id_table; + + /* + * Update global handle to usbvideo. This is very important + * because probe() can be called before usb_register() returns. + * If the handle is not yet updated then the probe() will fail. + */ + *pCams = cams; + result = usb_register(&cams->usbdrv); + if (result) { + for (i = 0; i < num_cams; i++) { + struct uvd *up = &cams->cam[i]; + kfree(up->user_data); + } + kfree(cams); + } + + return result; +} + +EXPORT_SYMBOL(usbvideo_register); + +/* + * usbvideo_Deregister() + * + * Procedure frees all usbvideo and user data structures. Be warned that + * if you had some dynamically allocated components in ->user field then + * you should free them before calling here. + */ +void usbvideo_Deregister(struct usbvideo **pCams) +{ + struct usbvideo *cams; + int i; + + if (pCams == NULL) { + err("%s: pCams == NULL", __func__); + return; + } + cams = *pCams; + if (cams == NULL) { + err("%s: cams == NULL", __func__); + return; + } + + dbg("%s: Deregistering %s driver.", __func__, cams->drvName); + usb_deregister(&cams->usbdrv); + + dbg("%s: Deallocating cams=$%p (%d. cameras)", __func__, cams, cams->num_cameras); + for (i=0; i < cams->num_cameras; i++) { + struct uvd *up = &cams->cam[i]; + int warning = 0; + + if (up->user_data != NULL) { + if (up->user_size <= 0) + ++warning; + } else { + if (up->user_size > 0) + ++warning; + } + if (warning) { + err("%s: Warning: user_data=$%p user_size=%d.", + __func__, up->user_data, up->user_size); + } else { + dbg("%s: Freeing %d. $%p->user_data=$%p", + __func__, i, up, up->user_data); + kfree(up->user_data); + } + } + /* Whole array was allocated in one chunk */ + dbg("%s: Freed %d uvd structures", + __func__, cams->num_cameras); + kfree(cams); + *pCams = NULL; +} + +EXPORT_SYMBOL(usbvideo_Deregister); + +/* + * usbvideo_Disconnect() + * + * This procedure stops all driver activity. Deallocation of + * the interface-private structure (pointed by 'ptr') is done now + * (if we don't have any open files) or later, when those files + * are closed. After that driver should be removable. + * + * This code handles surprise removal. The uvd->user is a counter which + * increments on open() and decrements on close(). If we see here that + * this counter is not 0 then we have a client who still has us opened. + * We set uvd->remove_pending flag as early as possible, and after that + * all access to the camera will gracefully fail. These failures should + * prompt client to (eventually) close the video device, and then - in + * usbvideo_v4l_close() - we decrement uvd->uvd_used and usage counter. + * + * History: + * 22-Jan-2000 Added polling of MOD_IN_USE to delay removal until all users gone. + * 27-Jan-2000 Reworked to allow pending disconnects; see xxx_close() + * 24-May-2000 Corrected to prevent race condition (MOD_xxx_USE_COUNT). + * 19-Oct-2000 Moved to usbvideo module. + */ +static void usbvideo_Disconnect(struct usb_interface *intf) +{ + struct uvd *uvd = usb_get_intfdata (intf); + int i; + + if (uvd == NULL) { + err("%s($%p): Illegal call.", __func__, intf); + return; + } + + usb_set_intfdata (intf, NULL); + + usbvideo_ClientIncModCount(uvd); + if (uvd->debug > 0) + dev_info(&intf->dev, "%s(%p.)\n", __func__, intf); + + mutex_lock(&uvd->lock); + uvd->remove_pending = 1; /* Now all ISO data will be ignored */ + + /* At this time we ask to cancel outstanding URBs */ + GET_CALLBACK(uvd, stopDataPump)(uvd); + + for (i=0; i < USBVIDEO_NUMSBUF; i++) + usb_free_urb(uvd->sbuf[i].urb); + + usb_put_dev(uvd->dev); + uvd->dev = NULL; /* USB device is no more */ + + video_unregister_device(&uvd->vdev); + if (uvd->debug > 0) + dev_info(&intf->dev, "%s: Video unregistered.\n", __func__); + + if (uvd->user) + dev_info(&intf->dev, "%s: In use, disconnect pending.\n", + __func__); + else + usbvideo_CameraRelease(uvd); + mutex_unlock(&uvd->lock); + dev_info(&intf->dev, "USB camera disconnected.\n"); + + usbvideo_ClientDecModCount(uvd); +} + +/* + * usbvideo_CameraRelease() + * + * This code does final release of uvd. This happens + * after the device is disconnected -and- all clients + * closed their files. + * + * History: + * 27-Jan-2000 Created. + */ +static void usbvideo_CameraRelease(struct uvd *uvd) +{ + if (uvd == NULL) { + err("%s: Illegal call", __func__); + return; + } + + RingQueue_Free(&uvd->dp); + if (VALID_CALLBACK(uvd, userFree)) + GET_CALLBACK(uvd, userFree)(uvd); + uvd->uvd_used = 0; /* This is atomic, no need to take mutex */ +} + +/* + * usbvideo_find_struct() + * + * This code searches the array of preallocated (static) structures + * and returns index of the first one that isn't in use. Returns -1 + * if there are no free structures. + * + * History: + * 27-Jan-2000 Created. + */ +static int usbvideo_find_struct(struct usbvideo *cams) +{ + int u, rv = -1; + + if (cams == NULL) { + err("No usbvideo handle?"); + return -1; + } + mutex_lock(&cams->lock); + for (u = 0; u < cams->num_cameras; u++) { + struct uvd *uvd = &cams->cam[u]; + if (!uvd->uvd_used) /* This one is free */ + { + uvd->uvd_used = 1; /* In use now */ + mutex_init(&uvd->lock); /* to 1 == available */ + uvd->dev = NULL; + rv = u; + break; + } + } + mutex_unlock(&cams->lock); + return rv; +} + +static const struct v4l2_file_operations usbvideo_fops = { + .owner = THIS_MODULE, + .open = usbvideo_v4l_open, + .release =usbvideo_v4l_close, + .read = usbvideo_v4l_read, + .mmap = usbvideo_v4l_mmap, + .ioctl = usbvideo_v4l_ioctl, +}; +static const struct video_device usbvideo_template = { + .fops = &usbvideo_fops, +}; + +struct uvd *usbvideo_AllocateDevice(struct usbvideo *cams) +{ + int i, devnum; + struct uvd *uvd = NULL; + + if (cams == NULL) { + err("No usbvideo handle?"); + return NULL; + } + + devnum = usbvideo_find_struct(cams); + if (devnum == -1) { + err("IBM USB camera driver: Too many devices!"); + return NULL; + } + uvd = &cams->cam[devnum]; + dbg("Device entry #%d. at $%p", devnum, uvd); + + /* Not relying upon caller we increase module counter ourselves */ + usbvideo_ClientIncModCount(uvd); + + mutex_lock(&uvd->lock); + for (i=0; i < USBVIDEO_NUMSBUF; i++) { + uvd->sbuf[i].urb = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL); + if (uvd->sbuf[i].urb == NULL) { + err("usb_alloc_urb(%d.) failed.", FRAMES_PER_DESC); + uvd->uvd_used = 0; + uvd = NULL; + goto allocate_done; + } + } + uvd->user=0; + uvd->remove_pending = 0; + uvd->last_error = 0; + RingQueue_Initialize(&uvd->dp); + + /* Initialize video device structure */ + uvd->vdev = usbvideo_template; + sprintf(uvd->vdev.name, "%.20s USB Camera", cams->drvName); + /* + * The client is free to overwrite those because we + * return control to the client's probe function right now. + */ +allocate_done: + mutex_unlock(&uvd->lock); + usbvideo_ClientDecModCount(uvd); + return uvd; +} + +EXPORT_SYMBOL(usbvideo_AllocateDevice); + +int usbvideo_RegisterVideoDevice(struct uvd *uvd) +{ + char tmp1[20], tmp2[20]; /* Buffers for printing */ + + if (uvd == NULL) { + err("%s: Illegal call.", __func__); + return -EINVAL; + } + if (uvd->video_endp == 0) { + dev_info(&uvd->dev->dev, + "%s: No video endpoint specified; data pump disabled.\n", + __func__); + } + if (uvd->paletteBits == 0) { + err("%s: No palettes specified!", __func__); + return -EINVAL; + } + if (uvd->defaultPalette == 0) { + dev_info(&uvd->dev->dev, "%s: No default palette!\n", + __func__); + } + + uvd->max_frame_size = VIDEOSIZE_X(uvd->canvas) * + VIDEOSIZE_Y(uvd->canvas) * V4L_BYTES_PER_PIXEL; + usbvideo_VideosizeToString(tmp1, sizeof(tmp1), uvd->videosize); + usbvideo_VideosizeToString(tmp2, sizeof(tmp2), uvd->canvas); + + if (uvd->debug > 0) { + dev_info(&uvd->dev->dev, + "%s: iface=%d. endpoint=$%02x paletteBits=$%08lx\n", + __func__, uvd->iface, uvd->video_endp, + uvd->paletteBits); + } + if (uvd->dev == NULL) { + err("%s: uvd->dev == NULL", __func__); + return -EINVAL; + } + uvd->vdev.parent = &uvd->dev->dev; + uvd->vdev.release = video_device_release_empty; + if (video_register_device(&uvd->vdev, VFL_TYPE_GRABBER, video_nr) < 0) { + err("%s: video_register_device failed", __func__); + return -EPIPE; + } + if (uvd->debug > 1) { + dev_info(&uvd->dev->dev, + "%s: video_register_device() successful\n", __func__); + } + + dev_info(&uvd->dev->dev, "%s on %s: canvas=%s videosize=%s\n", + (uvd->handle != NULL) ? uvd->handle->drvName : "???", + video_device_node_name(&uvd->vdev), tmp2, tmp1); + + usb_get_dev(uvd->dev); + return 0; +} + +EXPORT_SYMBOL(usbvideo_RegisterVideoDevice); + +/* ******************************************************************** */ + +static int usbvideo_v4l_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct uvd *uvd = file->private_data; + unsigned long start = vma->vm_start; + unsigned long size = vma->vm_end-vma->vm_start; + unsigned long page, pos; + + if (!CAMERA_IS_OPERATIONAL(uvd)) + return -EFAULT; + + if (size > (((USBVIDEO_NUMFRAMES * uvd->max_frame_size) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))) + return -EINVAL; + + pos = (unsigned long) uvd->fbuf; + while (size > 0) { + page = vmalloc_to_pfn((void *)pos); + if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) + return -EAGAIN; + + start += PAGE_SIZE; + pos += PAGE_SIZE; + if (size > PAGE_SIZE) + size -= PAGE_SIZE; + else + size = 0; + } + + return 0; +} + +/* + * usbvideo_v4l_open() + * + * This is part of Video 4 Linux API. The driver can be opened by one + * client only (checks internal counter 'uvdser'). The procedure + * then allocates buffers needed for video processing. + * + * History: + * 22-Jan-2000 Rewrote, moved scratch buffer allocation here. Now the + * camera is also initialized here (once per connect), at + * expense of V4L client (it waits on open() call). + * 27-Jan-2000 Used USBVIDEO_NUMSBUF as number of URB buffers. + * 24-May-2000 Corrected to prevent race condition (MOD_xxx_USE_COUNT). + */ +static int usbvideo_v4l_open(struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct uvd *uvd = (struct uvd *) dev; + const int sb_size = FRAMES_PER_DESC * uvd->iso_packet_len; + int i, errCode = 0; + + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, dev); + + if (usbvideo_ClientIncModCount(uvd) < 0) + return -ENODEV; + mutex_lock(&uvd->lock); + + if (uvd->user) { + err("%s: Someone tried to open an already opened device!", __func__); + errCode = -EBUSY; + } else { + /* Clear statistics */ + memset(&uvd->stats, 0, sizeof(uvd->stats)); + + /* Clean pointers so we know if we allocated something */ + for (i=0; i < USBVIDEO_NUMSBUF; i++) + uvd->sbuf[i].data = NULL; + + /* Allocate memory for the frame buffers */ + uvd->fbuf_size = USBVIDEO_NUMFRAMES * uvd->max_frame_size; + uvd->fbuf = usbvideo_rvmalloc(uvd->fbuf_size); + RingQueue_Allocate(&uvd->dp, RING_QUEUE_SIZE); + if ((uvd->fbuf == NULL) || + (!RingQueue_IsAllocated(&uvd->dp))) { + err("%s: Failed to allocate fbuf or dp", __func__); + errCode = -ENOMEM; + } else { + /* Allocate all buffers */ + for (i=0; i < USBVIDEO_NUMFRAMES; i++) { + uvd->frame[i].frameState = FrameState_Unused; + uvd->frame[i].data = uvd->fbuf + i*(uvd->max_frame_size); + /* + * Set default sizes in case IOCTL (VIDIOCMCAPTURE) + * is not used (using read() instead). + */ + uvd->frame[i].canvas = uvd->canvas; + uvd->frame[i].seqRead_Index = 0; + } + for (i=0; i < USBVIDEO_NUMSBUF; i++) { + uvd->sbuf[i].data = kmalloc(sb_size, GFP_KERNEL); + if (uvd->sbuf[i].data == NULL) { + errCode = -ENOMEM; + break; + } + } + } + if (errCode != 0) { + /* Have to free all that memory */ + if (uvd->fbuf != NULL) { + usbvideo_rvfree(uvd->fbuf, uvd->fbuf_size); + uvd->fbuf = NULL; + } + RingQueue_Free(&uvd->dp); + for (i=0; i < USBVIDEO_NUMSBUF; i++) { + kfree(uvd->sbuf[i].data); + uvd->sbuf[i].data = NULL; + } + } + } + + /* If so far no errors then we shall start the camera */ + if (errCode == 0) { + /* Start data pump if we have valid endpoint */ + if (uvd->video_endp != 0) + errCode = GET_CALLBACK(uvd, startDataPump)(uvd); + if (errCode == 0) { + if (VALID_CALLBACK(uvd, setupOnOpen)) { + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, + "%s: setupOnOpen callback\n", + __func__); + errCode = GET_CALLBACK(uvd, setupOnOpen)(uvd); + if (errCode < 0) { + err("%s: setupOnOpen callback failed (%d.).", + __func__, errCode); + } else if (uvd->debug > 1) { + dev_info(&uvd->dev->dev, + "%s: setupOnOpen callback successful\n", + __func__); + } + } + if (errCode == 0) { + uvd->settingsAdjusted = 0; + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, + "%s: Open succeeded.\n", + __func__); + uvd->user++; + file->private_data = uvd; + } + } + } + mutex_unlock(&uvd->lock); + if (errCode != 0) + usbvideo_ClientDecModCount(uvd); + if (uvd->debug > 0) + dev_info(&uvd->dev->dev, "%s: Returning %d.\n", __func__, + errCode); + return errCode; +} + +/* + * usbvideo_v4l_close() + * + * This is part of Video 4 Linux API. The procedure + * stops streaming and deallocates all buffers that were earlier + * allocated in usbvideo_v4l_open(). + * + * History: + * 22-Jan-2000 Moved scratch buffer deallocation here. + * 27-Jan-2000 Used USBVIDEO_NUMSBUF as number of URB buffers. + * 24-May-2000 Moved MOD_DEC_USE_COUNT outside of code that can sleep. + */ +static int usbvideo_v4l_close(struct file *file) +{ + struct video_device *dev = file->private_data; + struct uvd *uvd = (struct uvd *) dev; + int i; + + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, dev); + + mutex_lock(&uvd->lock); + GET_CALLBACK(uvd, stopDataPump)(uvd); + usbvideo_rvfree(uvd->fbuf, uvd->fbuf_size); + uvd->fbuf = NULL; + RingQueue_Free(&uvd->dp); + + for (i=0; i < USBVIDEO_NUMSBUF; i++) { + kfree(uvd->sbuf[i].data); + uvd->sbuf[i].data = NULL; + } + +#if USBVIDEO_REPORT_STATS + usbvideo_ReportStatistics(uvd); +#endif + + uvd->user--; + if (uvd->remove_pending) { + if (uvd->debug > 0) + dev_info(&uvd->dev->dev, "%s: Final disconnect.\n", + __func__); + usbvideo_CameraRelease(uvd); + } + mutex_unlock(&uvd->lock); + usbvideo_ClientDecModCount(uvd); + + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, "%s: Completed.\n", __func__); + file->private_data = NULL; + return 0; +} + +/* + * usbvideo_v4l_ioctl() + * + * This is part of Video 4 Linux API. The procedure handles ioctl() calls. + * + * History: + * 22-Jan-2000 Corrected VIDIOCSPICT to reject unsupported settings. + */ +static long usbvideo_v4l_do_ioctl(struct file *file, unsigned int cmd, void *arg) +{ + struct uvd *uvd = file->private_data; + + if (!CAMERA_IS_OPERATIONAL(uvd)) + return -EIO; + + switch (cmd) { + case VIDIOCGCAP: + { + struct video_capability *b = arg; + *b = uvd->vcap; + return 0; + } + case VIDIOCGCHAN: + { + struct video_channel *v = arg; + *v = uvd->vchan; + return 0; + } + case VIDIOCSCHAN: + { + struct video_channel *v = arg; + if (v->channel != 0) + return -EINVAL; + return 0; + } + case VIDIOCGPICT: + { + struct video_picture *pic = arg; + *pic = uvd->vpic; + return 0; + } + case VIDIOCSPICT: + { + struct video_picture *pic = arg; + /* + * Use temporary 'video_picture' structure to preserve our + * own settings (such as color depth, palette) that we + * aren't allowing everyone (V4L client) to change. + */ + uvd->vpic.brightness = pic->brightness; + uvd->vpic.hue = pic->hue; + uvd->vpic.colour = pic->colour; + uvd->vpic.contrast = pic->contrast; + uvd->settingsAdjusted = 0; /* Will force new settings */ + return 0; + } + case VIDIOCSWIN: + { + struct video_window *vw = arg; + + if(VALID_CALLBACK(uvd, setVideoMode)) { + return GET_CALLBACK(uvd, setVideoMode)(uvd, vw); + } + + if (vw->flags) + return -EINVAL; + if (vw->clipcount) + return -EINVAL; + if (vw->width != VIDEOSIZE_X(uvd->canvas)) + return -EINVAL; + if (vw->height != VIDEOSIZE_Y(uvd->canvas)) + return -EINVAL; + + return 0; + } + case VIDIOCGWIN: + { + struct video_window *vw = arg; + + vw->x = 0; + vw->y = 0; + vw->width = VIDEOSIZE_X(uvd->videosize); + vw->height = VIDEOSIZE_Y(uvd->videosize); + vw->chromakey = 0; + if (VALID_CALLBACK(uvd, getFPS)) + vw->flags = GET_CALLBACK(uvd, getFPS)(uvd); + else + vw->flags = 10; /* FIXME: do better! */ + return 0; + } + case VIDIOCGMBUF: + { + struct video_mbuf *vm = arg; + int i; + + memset(vm, 0, sizeof(*vm)); + vm->size = uvd->max_frame_size * USBVIDEO_NUMFRAMES; + vm->frames = USBVIDEO_NUMFRAMES; + for(i = 0; i < USBVIDEO_NUMFRAMES; i++) + vm->offsets[i] = i * uvd->max_frame_size; + + return 0; + } + case VIDIOCMCAPTURE: + { + struct video_mmap *vm = arg; + + if (uvd->debug >= 1) { + dev_info(&uvd->dev->dev, + "VIDIOCMCAPTURE: frame=%d. size=%dx%d, format=%d.\n", + vm->frame, vm->width, vm->height, vm->format); + } + /* + * Check if the requested size is supported. If the requestor + * requests too big a frame then we may be tricked into accessing + * outside of own preallocated frame buffer (in uvd->frame). + * This will cause oops or a security hole. Theoretically, we + * could only clamp the size down to acceptable bounds, but then + * we'd need to figure out how to insert our smaller buffer into + * larger caller's buffer... this is not an easy question. So we + * here just flatly reject too large requests, assuming that the + * caller will resubmit with smaller size. Callers should know + * what size we support (returned by VIDIOCGCAP). However vidcat, + * for one, does not care and allows to ask for any size. + */ + if ((vm->width > VIDEOSIZE_X(uvd->canvas)) || + (vm->height > VIDEOSIZE_Y(uvd->canvas))) { + if (uvd->debug > 0) { + dev_info(&uvd->dev->dev, + "VIDIOCMCAPTURE: Size=%dx%d " + "too large; allowed only up " + "to %ldx%ld\n", vm->width, + vm->height, + VIDEOSIZE_X(uvd->canvas), + VIDEOSIZE_Y(uvd->canvas)); + } + return -EINVAL; + } + /* Check if the palette is supported */ + if (((1L << vm->format) & uvd->paletteBits) == 0) { + if (uvd->debug > 0) { + dev_info(&uvd->dev->dev, + "VIDIOCMCAPTURE: format=%d. " + "not supported " + "(paletteBits=$%08lx)\n", + vm->format, uvd->paletteBits); + } + return -EINVAL; + } + if ((vm->frame < 0) || (vm->frame >= USBVIDEO_NUMFRAMES)) { + err("VIDIOCMCAPTURE: vm.frame=%d. !E [0-%d]", vm->frame, USBVIDEO_NUMFRAMES-1); + return -EINVAL; + } + if (uvd->frame[vm->frame].frameState == FrameState_Grabbing) { + /* Not an error - can happen */ + } + uvd->frame[vm->frame].request = VIDEOSIZE(vm->width, vm->height); + uvd->frame[vm->frame].palette = vm->format; + + /* Mark it as ready */ + uvd->frame[vm->frame].frameState = FrameState_Ready; + + return usbvideo_NewFrame(uvd, vm->frame); + } + case VIDIOCSYNC: + { + int *frameNum = arg; + int ret; + + if (*frameNum < 0 || *frameNum >= USBVIDEO_NUMFRAMES) + return -EINVAL; + + if (uvd->debug >= 1) + dev_info(&uvd->dev->dev, + "VIDIOCSYNC: syncing to frame %d.\n", + *frameNum); + if (uvd->flags & FLAGS_NO_DECODING) + ret = usbvideo_GetFrame(uvd, *frameNum); + else if (VALID_CALLBACK(uvd, getFrame)) { + ret = GET_CALLBACK(uvd, getFrame)(uvd, *frameNum); + if ((ret < 0) && (uvd->debug >= 1)) { + err("VIDIOCSYNC: getFrame() returned %d.", ret); + } + } else { + err("VIDIOCSYNC: getFrame is not set"); + ret = -EFAULT; + } + + /* + * The frame is in FrameState_Done_Hold state. Release it + * right now because its data is already mapped into + * the user space and it's up to the application to + * make use of it until it asks for another frame. + */ + uvd->frame[*frameNum].frameState = FrameState_Unused; + return ret; + } + case VIDIOCGFBUF: + { + struct video_buffer *vb = arg; + + memset(vb, 0, sizeof(*vb)); + return 0; + } + case VIDIOCKEY: + return 0; + + case VIDIOCCAPTURE: + return -EINVAL; + + case VIDIOCSFBUF: + + case VIDIOCGTUNER: + case VIDIOCSTUNER: + + case VIDIOCGFREQ: + case VIDIOCSFREQ: + + case VIDIOCGAUDIO: + case VIDIOCSAUDIO: + return -EINVAL; + + default: + return -ENOIOCTLCMD; + } + return 0; +} + +static long usbvideo_v4l_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(file, cmd, arg, usbvideo_v4l_do_ioctl); +} + +/* + * usbvideo_v4l_read() + * + * This is mostly boring stuff. We simply ask for a frame and when it + * arrives copy all the video data from it into user space. There is + * no obvious need to override this method. + * + * History: + * 20-Oct-2000 Created. + * 01-Nov-2000 Added mutex (uvd->lock). + */ +static ssize_t usbvideo_v4l_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + struct uvd *uvd = file->private_data; + int noblock = file->f_flags & O_NONBLOCK; + int frmx = -1, i; + struct usbvideo_frame *frame; + + if (!CAMERA_IS_OPERATIONAL(uvd) || (buf == NULL)) + return -EFAULT; + + if (uvd->debug >= 1) + dev_info(&uvd->dev->dev, + "%s: %Zd. bytes, noblock=%d.\n", + __func__, count, noblock); + + mutex_lock(&uvd->lock); + + /* See if a frame is completed, then use it. */ + for(i = 0; i < USBVIDEO_NUMFRAMES; i++) { + if ((uvd->frame[i].frameState == FrameState_Done) || + (uvd->frame[i].frameState == FrameState_Done_Hold) || + (uvd->frame[i].frameState == FrameState_Error)) { + frmx = i; + break; + } + } + + /* FIXME: If we don't start a frame here then who ever does? */ + if (noblock && (frmx == -1)) { + count = -EAGAIN; + goto read_done; + } + + /* + * If no FrameState_Done, look for a FrameState_Grabbing state. + * See if a frame is in process (grabbing), then use it. + * We will need to wait until it becomes cooked, of course. + */ + if (frmx == -1) { + for(i = 0; i < USBVIDEO_NUMFRAMES; i++) { + if (uvd->frame[i].frameState == FrameState_Grabbing) { + frmx = i; + break; + } + } + } + + /* + * If no frame is active, start one. We don't care which one + * it will be, so #0 is as good as any. + * In read access mode we don't have convenience of VIDIOCMCAPTURE + * to specify the requested palette (video format) on per-frame + * basis. This means that we have to return data in -some- format + * and just hope that the client knows what to do with it. + * The default format is configured in uvd->defaultPalette field + * as one of VIDEO_PALETTE_xxx values. We stuff it into the new + * frame and initiate the frame filling process. + */ + if (frmx == -1) { + if (uvd->defaultPalette == 0) { + err("%s: No default palette; don't know what to do!", __func__); + count = -EFAULT; + goto read_done; + } + frmx = 0; + /* + * We have no per-frame control over video size. + * Therefore we only can use whatever size was + * specified as default. + */ + uvd->frame[frmx].request = uvd->videosize; + uvd->frame[frmx].palette = uvd->defaultPalette; + uvd->frame[frmx].frameState = FrameState_Ready; + usbvideo_NewFrame(uvd, frmx); + /* Now frame 0 is supposed to start filling... */ + } + + /* + * Get a pointer to the active frame. It is either previously + * completed frame or frame in progress but not completed yet. + */ + frame = &uvd->frame[frmx]; + + /* + * Sit back & wait until the frame gets filled and postprocessed. + * If we fail to get the picture [in time] then return the error. + * In this call we specify that we want the frame to be waited for, + * postprocessed and switched into FrameState_Done_Hold state. This + * state is used to hold the frame as "fully completed" between + * subsequent partial reads of the same frame. + */ + if (frame->frameState != FrameState_Done_Hold) { + long rv = -EFAULT; + if (uvd->flags & FLAGS_NO_DECODING) + rv = usbvideo_GetFrame(uvd, frmx); + else if (VALID_CALLBACK(uvd, getFrame)) + rv = GET_CALLBACK(uvd, getFrame)(uvd, frmx); + else + err("getFrame is not set"); + if ((rv != 0) || (frame->frameState != FrameState_Done_Hold)) { + count = rv; + goto read_done; + } + } + + /* + * Copy bytes to user space. We allow for partial reads, which + * means that the user application can request read less than + * the full frame size. It is up to the application to issue + * subsequent calls until entire frame is read. + * + * First things first, make sure we don't copy more than we + * have - even if the application wants more. That would be + * a big security embarassment! + */ + if ((count + frame->seqRead_Index) > frame->seqRead_Length) + count = frame->seqRead_Length - frame->seqRead_Index; + + /* + * Copy requested amount of data to user space. We start + * copying from the position where we last left it, which + * will be zero for a new frame (not read before). + */ + if (copy_to_user(buf, frame->data + frame->seqRead_Index, count)) { + count = -EFAULT; + goto read_done; + } + + /* Update last read position */ + frame->seqRead_Index += count; + if (uvd->debug >= 1) { + err("%s: {copy} count used=%Zd, new seqRead_Index=%ld", + __func__, count, frame->seqRead_Index); + } + + /* Finally check if the frame is done with and "release" it */ + if (frame->seqRead_Index >= frame->seqRead_Length) { + /* All data has been read */ + frame->seqRead_Index = 0; + + /* Mark it as available to be used again. */ + uvd->frame[frmx].frameState = FrameState_Unused; + if (usbvideo_NewFrame(uvd, (frmx + 1) % USBVIDEO_NUMFRAMES)) { + err("%s: usbvideo_NewFrame failed.", __func__); + } + } +read_done: + mutex_unlock(&uvd->lock); + return count; +} + +/* + * Make all of the blocks of data contiguous + */ +static int usbvideo_CompressIsochronous(struct uvd *uvd, struct urb *urb) +{ + char *cdata; + int i, totlen = 0; + + for (i = 0; i < urb->number_of_packets; i++) { + int n = urb->iso_frame_desc[i].actual_length; + int st = urb->iso_frame_desc[i].status; + + cdata = urb->transfer_buffer + urb->iso_frame_desc[i].offset; + + /* Detect and ignore errored packets */ + if (st < 0) { + if (uvd->debug >= 1) + err("Data error: packet=%d. len=%d. status=%d.", i, n, st); + uvd->stats.iso_err_count++; + continue; + } + + /* Detect and ignore empty packets */ + if (n <= 0) { + uvd->stats.iso_skip_count++; + continue; + } + totlen += n; /* Little local accounting */ + RingQueue_Enqueue(&uvd->dp, cdata, n); + } + return totlen; +} + +static void usbvideo_IsocIrq(struct urb *urb) +{ + int i, ret, len; + struct uvd *uvd = urb->context; + + /* We don't want to do anything if we are about to be removed! */ + if (!CAMERA_IS_OPERATIONAL(uvd)) + return; +#if 0 + if (urb->actual_length > 0) { + dev_info(&uvd->dev->dev, + "urb=$%p status=%d. errcount=%d. length=%d.\n", + urb, urb->status, urb->error_count, + urb->actual_length); + } else { + static int c = 0; + if (c++ % 100 == 0) + dev_info(&uvd->dev->dev, "No Isoc data\n"); + } +#endif + + if (!uvd->streaming) { + if (uvd->debug >= 1) + dev_info(&uvd->dev->dev, + "Not streaming, but interrupt!\n"); + return; + } + + uvd->stats.urb_count++; + if (urb->actual_length <= 0) + goto urb_done_with; + + /* Copy the data received into ring queue */ + len = usbvideo_CompressIsochronous(uvd, urb); + uvd->stats.urb_length = len; + if (len <= 0) + goto urb_done_with; + + /* Here we got some data */ + uvd->stats.data_count += len; + RingQueue_WakeUpInterruptible(&uvd->dp); + +urb_done_with: + for (i = 0; i < FRAMES_PER_DESC; i++) { + urb->iso_frame_desc[i].status = 0; + urb->iso_frame_desc[i].actual_length = 0; + } + urb->status = 0; + urb->dev = uvd->dev; + ret = usb_submit_urb (urb, GFP_KERNEL); + if(ret) + err("usb_submit_urb error (%d)", ret); + return; +} + +/* + * usbvideo_StartDataPump() + * + * History: + * 27-Jan-2000 Used ibmcam->iface, ibmcam->ifaceAltActive instead + * of hardcoded values. Simplified by using for loop, + * allowed any number of URBs. + */ +static int usbvideo_StartDataPump(struct uvd *uvd) +{ + struct usb_device *dev = uvd->dev; + int i, errFlag; + + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, uvd); + + if (!CAMERA_IS_OPERATIONAL(uvd)) { + err("%s: Camera is not operational", __func__); + return -EFAULT; + } + uvd->curframe = -1; + + /* Alternate interface 1 is is the biggest frame size */ + i = usb_set_interface(dev, uvd->iface, uvd->ifaceAltActive); + if (i < 0) { + err("%s: usb_set_interface error", __func__); + uvd->last_error = i; + return -EBUSY; + } + if (VALID_CALLBACK(uvd, videoStart)) + GET_CALLBACK(uvd, videoStart)(uvd); + else + err("%s: videoStart not set", __func__); + + /* We double buffer the Iso lists */ + for (i=0; i < USBVIDEO_NUMSBUF; i++) { + int j, k; + struct urb *urb = uvd->sbuf[i].urb; + urb->dev = dev; + urb->context = uvd; + urb->pipe = usb_rcvisocpipe(dev, uvd->video_endp); + urb->interval = 1; + urb->transfer_flags = URB_ISO_ASAP; + urb->transfer_buffer = uvd->sbuf[i].data; + urb->complete = usbvideo_IsocIrq; + urb->number_of_packets = FRAMES_PER_DESC; + urb->transfer_buffer_length = uvd->iso_packet_len * FRAMES_PER_DESC; + for (j=k=0; j < FRAMES_PER_DESC; j++, k += uvd->iso_packet_len) { + urb->iso_frame_desc[j].offset = k; + urb->iso_frame_desc[j].length = uvd->iso_packet_len; + } + } + + /* Submit all URBs */ + for (i=0; i < USBVIDEO_NUMSBUF; i++) { + errFlag = usb_submit_urb(uvd->sbuf[i].urb, GFP_KERNEL); + if (errFlag) + err("%s: usb_submit_isoc(%d) ret %d", __func__, i, errFlag); + } + + uvd->streaming = 1; + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, + "%s: streaming=1 video_endp=$%02x\n", __func__, + uvd->video_endp); + return 0; +} + +/* + * usbvideo_StopDataPump() + * + * This procedure stops streaming and deallocates URBs. Then it + * activates zero-bandwidth alt. setting of the video interface. + * + * History: + * 22-Jan-2000 Corrected order of actions to work after surprise removal. + * 27-Jan-2000 Used uvd->iface, uvd->ifaceAltInactive instead of hardcoded values. + */ +static void usbvideo_StopDataPump(struct uvd *uvd) +{ + int i, j; + + if ((uvd == NULL) || (!uvd->streaming) || (uvd->dev == NULL)) + return; + + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, uvd); + + /* Unschedule all of the iso td's */ + for (i=0; i < USBVIDEO_NUMSBUF; i++) { + usb_kill_urb(uvd->sbuf[i].urb); + } + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, "%s: streaming=0\n", __func__); + uvd->streaming = 0; + + if (!uvd->remove_pending) { + /* Invoke minidriver's magic to stop the camera */ + if (VALID_CALLBACK(uvd, videoStop)) + GET_CALLBACK(uvd, videoStop)(uvd); + else + err("%s: videoStop not set", __func__); + + /* Set packet size to 0 */ + j = usb_set_interface(uvd->dev, uvd->iface, uvd->ifaceAltInactive); + if (j < 0) { + err("%s: usb_set_interface() error %d.", __func__, j); + uvd->last_error = j; + } + } +} + +/* + * usbvideo_NewFrame() + * + * History: + * 29-Mar-00 Added copying of previous frame into the current one. + * 6-Aug-00 Added model 3 video sizes, removed redundant width, height. + */ +static int usbvideo_NewFrame(struct uvd *uvd, int framenum) +{ + struct usbvideo_frame *frame; + int n; + + if (uvd->debug > 1) + dev_info(&uvd->dev->dev, "usbvideo_NewFrame($%p,%d.)\n", uvd, + framenum); + + /* If we're not grabbing a frame right now and the other frame is */ + /* ready to be grabbed into, then use it instead */ + if (uvd->curframe != -1) + return 0; + + /* If necessary we adjust picture settings between frames */ + if (!uvd->settingsAdjusted) { + if (VALID_CALLBACK(uvd, adjustPicture)) + GET_CALLBACK(uvd, adjustPicture)(uvd); + uvd->settingsAdjusted = 1; + } + + n = (framenum + 1) % USBVIDEO_NUMFRAMES; + if (uvd->frame[n].frameState == FrameState_Ready) + framenum = n; + + frame = &uvd->frame[framenum]; + + frame->frameState = FrameState_Grabbing; + frame->scanstate = ScanState_Scanning; + frame->seqRead_Length = 0; /* Accumulated in xxx_parse_data() */ + frame->deinterlace = Deinterlace_None; + frame->flags = 0; /* No flags yet, up to minidriver (or us) to set them */ + uvd->curframe = framenum; + + /* + * Normally we would want to copy previous frame into the current one + * before we even start filling it with data; this allows us to stop + * filling at any moment; top portion of the frame will be new and + * bottom portion will stay as it was in previous frame. If we don't + * do that then missing chunks of video stream will result in flickering + * portions of old data whatever it was before. + * + * If we choose not to copy previous frame (to, for example, save few + * bus cycles - the frame can be pretty large!) then we have an option + * to clear the frame before using. If we experience losses in this + * mode then missing picture will be black (no flickering). + * + * Finally, if user chooses not to clean the current frame before + * filling it with data then the old data will be visible if we fail + * to refill entire frame with new data. + */ + if (!(uvd->flags & FLAGS_SEPARATE_FRAMES)) { + /* This copies previous frame into this one to mask losses */ + int prev = (framenum - 1 + USBVIDEO_NUMFRAMES) % USBVIDEO_NUMFRAMES; + memmove(frame->data, uvd->frame[prev].data, uvd->max_frame_size); + } else { + if (uvd->flags & FLAGS_CLEAN_FRAMES) { + /* This provides a "clean" frame but slows things down */ + memset(frame->data, 0, uvd->max_frame_size); + } + } + return 0; +} + +/* + * usbvideo_CollectRawData() + * + * This procedure can be used instead of 'processData' callback if you + * only want to dump the raw data from the camera into the output + * device (frame buffer). You can look at it with V4L client, but the + * image will be unwatchable. The main purpose of this code and of the + * mode FLAGS_NO_DECODING is debugging and capturing of datastreams from + * new, unknown cameras. This procedure will be automatically invoked + * instead of the specified callback handler when uvd->flags has bit + * FLAGS_NO_DECODING set. Therefore, any regular build of any driver + * based on usbvideo can use this feature at any time. + */ +static void usbvideo_CollectRawData(struct uvd *uvd, struct usbvideo_frame *frame) +{ + int n; + + assert(uvd != NULL); + assert(frame != NULL); + + /* Try to move data from queue into frame buffer */ + n = RingQueue_GetLength(&uvd->dp); + if (n > 0) { + int m; + /* See how much space we have left */ + m = uvd->max_frame_size - frame->seqRead_Length; + if (n > m) + n = m; + /* Now move that much data into frame buffer */ + RingQueue_Dequeue( + &uvd->dp, + frame->data + frame->seqRead_Length, + m); + frame->seqRead_Length += m; + } + /* See if we filled the frame */ + if (frame->seqRead_Length >= uvd->max_frame_size) { + frame->frameState = FrameState_Done; + uvd->curframe = -1; + uvd->stats.frame_num++; + } +} + +static int usbvideo_GetFrame(struct uvd *uvd, int frameNum) +{ + struct usbvideo_frame *frame = &uvd->frame[frameNum]; + + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, "%s($%p,%d.)\n", __func__, uvd, + frameNum); + + switch (frame->frameState) { + case FrameState_Unused: + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, "%s: FrameState_Unused\n", + __func__); + return -EINVAL; + case FrameState_Ready: + case FrameState_Grabbing: + case FrameState_Error: + { + int ntries, signalPending; + redo: + if (!CAMERA_IS_OPERATIONAL(uvd)) { + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, + "%s: Camera is not operational (1)\n", + __func__); + return -EIO; + } + ntries = 0; + do { + RingQueue_InterruptibleSleepOn(&uvd->dp); + signalPending = signal_pending(current); + if (!CAMERA_IS_OPERATIONAL(uvd)) { + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, + "%s: Camera is not " + "operational (2)\n", __func__); + return -EIO; + } + assert(uvd->fbuf != NULL); + if (signalPending) { + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, + "%s: Signal=$%08x\n", __func__, + signalPending); + if (uvd->flags & FLAGS_RETRY_VIDIOCSYNC) { + usbvideo_TestPattern(uvd, 1, 0); + uvd->curframe = -1; + uvd->stats.frame_num++; + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, + "%s: Forced test " + "pattern screen\n", + __func__); + return 0; + } else { + /* Standard answer: Interrupted! */ + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, + "%s: Interrupted!\n", + __func__); + return -EINTR; + } + } else { + /* No signals - we just got new data in dp queue */ + if (uvd->flags & FLAGS_NO_DECODING) + usbvideo_CollectRawData(uvd, frame); + else if (VALID_CALLBACK(uvd, processData)) + GET_CALLBACK(uvd, processData)(uvd, frame); + else + err("%s: processData not set", __func__); + } + } while (frame->frameState == FrameState_Grabbing); + if (uvd->debug >= 2) { + dev_info(&uvd->dev->dev, + "%s: Grabbing done; state=%d. (%lu. bytes)\n", + __func__, frame->frameState, + frame->seqRead_Length); + } + if (frame->frameState == FrameState_Error) { + int ret = usbvideo_NewFrame(uvd, frameNum); + if (ret < 0) { + err("%s: usbvideo_NewFrame() failed (%d.)", __func__, ret); + return ret; + } + goto redo; + } + /* Note that we fall through to meet our destiny below */ + } + case FrameState_Done: + /* + * Do all necessary postprocessing of data prepared in + * "interrupt" code and the collecting code above. The + * frame gets marked as FrameState_Done by queue parsing code. + * This status means that we collected enough data and + * most likely processed it as we went through. However + * the data may need postprocessing, such as deinterlacing + * or picture adjustments implemented in software (horror!) + * + * As soon as the frame becomes "final" it gets promoted to + * FrameState_Done_Hold status where it will remain until the + * caller consumed all the video data from the frame. Then + * the empty shell of ex-frame is thrown out for dogs to eat. + * But we, worried about pets, will recycle the frame! + */ + uvd->stats.frame_num++; + if ((uvd->flags & FLAGS_NO_DECODING) == 0) { + if (VALID_CALLBACK(uvd, postProcess)) + GET_CALLBACK(uvd, postProcess)(uvd, frame); + if (frame->flags & USBVIDEO_FRAME_FLAG_SOFTWARE_CONTRAST) + usbvideo_SoftwareContrastAdjustment(uvd, frame); + } + frame->frameState = FrameState_Done_Hold; + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, + "%s: Entered FrameState_Done_Hold state.\n", + __func__); + return 0; + + case FrameState_Done_Hold: + /* + * We stay in this state indefinitely until someone external, + * like ioctl() or read() call finishes digesting the frame + * data. Then it will mark the frame as FrameState_Unused and + * it will be released back into the wild to roam freely. + */ + if (uvd->debug >= 2) + dev_info(&uvd->dev->dev, + "%s: FrameState_Done_Hold state.\n", + __func__); + return 0; + } + + /* Catch-all for other cases. We shall not be here. */ + err("%s: Invalid state %d.", __func__, frame->frameState); + frame->frameState = FrameState_Unused; + return 0; +} + +/* + * usbvideo_DeinterlaceFrame() + * + * This procedure deinterlaces the given frame. Some cameras produce + * only half of scanlines - sometimes only even lines, sometimes only + * odd lines. The deinterlacing method is stored in frame->deinterlace + * variable. + * + * Here we scan the frame vertically and replace missing scanlines with + * average between surrounding ones - before and after. If we have no + * line above then we just copy next line. Similarly, if we need to + * create a last line then preceding line is used. + */ +void usbvideo_DeinterlaceFrame(struct uvd *uvd, struct usbvideo_frame *frame) +{ + if ((uvd == NULL) || (frame == NULL)) + return; + + if ((frame->deinterlace == Deinterlace_FillEvenLines) || + (frame->deinterlace == Deinterlace_FillOddLines)) + { + const int v4l_linesize = VIDEOSIZE_X(frame->request) * V4L_BYTES_PER_PIXEL; + int i = (frame->deinterlace == Deinterlace_FillEvenLines) ? 0 : 1; + + for (; i < VIDEOSIZE_Y(frame->request); i += 2) { + const unsigned char *fs1, *fs2; + unsigned char *fd; + int ip, in, j; /* Previous and next lines */ + + /* + * Need to average lines before and after 'i'. + * If we go out of bounds seeking those lines then + * we point back to existing line. + */ + ip = i - 1; /* First, get rough numbers */ + in = i + 1; + + /* Now validate */ + if (ip < 0) + ip = in; + if (in >= VIDEOSIZE_Y(frame->request)) + in = ip; + + /* Sanity check */ + if ((ip < 0) || (in < 0) || + (ip >= VIDEOSIZE_Y(frame->request)) || + (in >= VIDEOSIZE_Y(frame->request))) + { + err("Error: ip=%d. in=%d. req.height=%ld.", + ip, in, VIDEOSIZE_Y(frame->request)); + break; + } + + /* Now we need to average lines 'ip' and 'in' to produce line 'i' */ + fs1 = frame->data + (v4l_linesize * ip); + fs2 = frame->data + (v4l_linesize * in); + fd = frame->data + (v4l_linesize * i); + + /* Average lines around destination */ + for (j=0; j < v4l_linesize; j++) { + fd[j] = (unsigned char)((((unsigned) fs1[j]) + + ((unsigned)fs2[j])) >> 1); + } + } + } + + /* Optionally display statistics on the screen */ + if (uvd->flags & FLAGS_OVERLAY_STATS) + usbvideo_OverlayStats(uvd, frame); +} + +EXPORT_SYMBOL(usbvideo_DeinterlaceFrame); + +/* + * usbvideo_SoftwareContrastAdjustment() + * + * This code adjusts the contrast of the frame, assuming RGB24 format. + * As most software image processing, this job is CPU-intensive. + * Get a camera that supports hardware adjustment! + * + * History: + * 09-Feb-2001 Created. + */ +static void usbvideo_SoftwareContrastAdjustment(struct uvd *uvd, + struct usbvideo_frame *frame) +{ + int i, j, v4l_linesize; + signed long adj; + const int ccm = 128; /* Color correction median - see below */ + + if ((uvd == NULL) || (frame == NULL)) { + err("%s: Illegal call.", __func__); + return; + } + adj = (uvd->vpic.contrast - 0x8000) >> 8; /* -128..+127 = -ccm..+(ccm-1)*/ + RESTRICT_TO_RANGE(adj, -ccm, ccm+1); + if (adj == 0) { + /* In rare case of no adjustment */ + return; + } + v4l_linesize = VIDEOSIZE_X(frame->request) * V4L_BYTES_PER_PIXEL; + for (i=0; i < VIDEOSIZE_Y(frame->request); i++) { + unsigned char *fd = frame->data + (v4l_linesize * i); + for (j=0; j < v4l_linesize; j++) { + signed long v = (signed long) fd[j]; + /* Magnify up to 2 times, reduce down to zero */ + v = 128 + ((ccm + adj) * (v - 128)) / ccm; + RESTRICT_TO_RANGE(v, 0, 0xFF); /* Must flatten tails */ + fd[j] = (unsigned char) v; + } + } +} + +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/usbvideo/usbvideo.h b/drivers/staging/usbvideo/usbvideo.h new file mode 100644 index 000000000000..95638a072b19 --- /dev/null +++ b/drivers/staging/usbvideo/usbvideo.h @@ -0,0 +1,395 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#ifndef usbvideo_h +#define usbvideo_h + +#include "videodev.h" +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <linux/usb.h> +#include <linux/mutex.h> + +/* Most helpful debugging aid */ +#define assert(expr) ((void) ((expr) ? 0 : (err("assert failed at line %d",__LINE__)))) + +#define USBVIDEO_REPORT_STATS 1 /* Set to 0 to block statistics on close */ + +/* Bit flags (options) */ +#define FLAGS_RETRY_VIDIOCSYNC (1 << 0) +#define FLAGS_MONOCHROME (1 << 1) +#define FLAGS_DISPLAY_HINTS (1 << 2) +#define FLAGS_OVERLAY_STATS (1 << 3) +#define FLAGS_FORCE_TESTPATTERN (1 << 4) +#define FLAGS_SEPARATE_FRAMES (1 << 5) +#define FLAGS_CLEAN_FRAMES (1 << 6) +#define FLAGS_NO_DECODING (1 << 7) + +/* Bit flags for frames (apply to the frame where they are specified) */ +#define USBVIDEO_FRAME_FLAG_SOFTWARE_CONTRAST (1 << 0) + +/* Camera capabilities (maximum) */ +#define CAMERA_URB_FRAMES 32 +#define CAMERA_MAX_ISO_PACKET 1023 /* 1022 actually sent by camera */ +#define FRAMES_PER_DESC (CAMERA_URB_FRAMES) +#define FRAME_SIZE_PER_DESC (CAMERA_MAX_ISO_PACKET) + +/* This macro restricts an int variable to an inclusive range */ +#define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } + +#define V4L_BYTES_PER_PIXEL 3 /* Because we produce RGB24 */ + +/* + * Use this macro to construct constants for different video sizes. + * We have to deal with different video sizes that have to be + * configured in the device or compared against when we receive + * a data. Normally one would define a bunch of VIDEOSIZE_x_by_y + * #defines and that's the end of story. However this solution + * does not allow to convert between real pixel sizes and the + * constant (integer) value that may be used to tag a frame or + * whatever. The set of macros below constructs videosize constants + * from the pixel size and allows to reconstruct the pixel size + * from the combined value later. + */ +#define VIDEOSIZE(x,y) (((x) & 0xFFFFL) | (((y) & 0xFFFFL) << 16)) +#define VIDEOSIZE_X(vs) ((vs) & 0xFFFFL) +#define VIDEOSIZE_Y(vs) (((vs) >> 16) & 0xFFFFL) +typedef unsigned long videosize_t; + +/* + * This macro checks if the camera is still operational. The 'uvd' + * pointer must be valid, uvd->dev must be valid, we are not + * removing the device and the device has not erred on us. + */ +#define CAMERA_IS_OPERATIONAL(uvd) (\ + (uvd != NULL) && \ + ((uvd)->dev != NULL) && \ + ((uvd)->last_error == 0) && \ + (!(uvd)->remove_pending)) + +/* + * We use macros to do YUV -> RGB conversion because this is + * very important for speed and totally unimportant for size. + * + * YUV -> RGB Conversion + * --------------------- + * + * B = 1.164*(Y-16) + 2.018*(V-128) + * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128) + * R = 1.164*(Y-16) + 1.596*(U-128) + * + * If you fancy integer arithmetics (as you should), hear this: + * + * 65536*B = 76284*(Y-16) + 132252*(V-128) + * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128) + * 65536*R = 76284*(Y-16) + 104595*(U-128) + * + * Make sure the output values are within [0..255] range. + */ +#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x))) +#define YUV_TO_RGB_BY_THE_BOOK(my,mu,mv,mr,mg,mb) { \ + int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \ + mm_y = (my) - 16; \ + mm_u = (mu) - 128; \ + mm_v = (mv) - 128; \ + mm_yc= mm_y * 76284; \ + mm_b = (mm_yc + 132252*mm_v ) >> 16; \ + mm_g = (mm_yc - 53281*mm_u - 25625*mm_v ) >> 16; \ + mm_r = (mm_yc + 104595*mm_u ) >> 16; \ + mb = LIMIT_RGB(mm_b); \ + mg = LIMIT_RGB(mm_g); \ + mr = LIMIT_RGB(mm_r); \ +} + +#define RING_QUEUE_SIZE (128*1024) /* Must be a power of 2 */ +#define RING_QUEUE_ADVANCE_INDEX(rq,ind,n) (rq)->ind = ((rq)->ind + (n)) & ((rq)->length-1) +#define RING_QUEUE_DEQUEUE_BYTES(rq,n) RING_QUEUE_ADVANCE_INDEX(rq,ri,n) +#define RING_QUEUE_PEEK(rq,ofs) ((rq)->queue[((ofs) + (rq)->ri) & ((rq)->length-1)]) + +struct RingQueue { + unsigned char *queue; /* Data from the Isoc data pump */ + int length; /* How many bytes allocated for the queue */ + int wi; /* That's where we write */ + int ri; /* Read from here until you hit write index */ + wait_queue_head_t wqh; /* Processes waiting */ +}; + +enum ScanState { + ScanState_Scanning, /* Scanning for header */ + ScanState_Lines /* Parsing lines */ +}; + +/* Completion states of the data parser */ +enum ParseState { + scan_Continue, /* Just parse next item */ + scan_NextFrame, /* Frame done, send it to V4L */ + scan_Out, /* Not enough data for frame */ + scan_EndParse /* End parsing */ +}; + +enum FrameState { + FrameState_Unused, /* Unused (no MCAPTURE) */ + FrameState_Ready, /* Ready to start grabbing */ + FrameState_Grabbing, /* In the process of being grabbed into */ + FrameState_Done, /* Finished grabbing, but not been synced yet */ + FrameState_Done_Hold, /* Are syncing or reading */ + FrameState_Error, /* Something bad happened while processing */ +}; + +/* + * Some frames may contain only even or odd lines. This type + * specifies what type of deinterlacing is required. + */ +enum Deinterlace { + Deinterlace_None=0, + Deinterlace_FillOddLines, + Deinterlace_FillEvenLines +}; + +#define USBVIDEO_NUMFRAMES 2 /* How many frames we work with */ +#define USBVIDEO_NUMSBUF 2 /* How many URBs linked in a ring */ + +/* This structure represents one Isoc request - URB and buffer */ +struct usbvideo_sbuf { + char *data; + struct urb *urb; +}; + +struct usbvideo_frame { + char *data; /* Frame buffer */ + unsigned long header; /* Significant bits from the header */ + + videosize_t canvas; /* The canvas (max. image) allocated */ + videosize_t request; /* That's what the application asked for */ + unsigned short palette; /* The desired format */ + + enum FrameState frameState;/* State of grabbing */ + enum ScanState scanstate; /* State of scanning */ + enum Deinterlace deinterlace; + int flags; /* USBVIDEO_FRAME_FLAG_xxx bit flags */ + + int curline; /* Line of frame we're working on */ + + long seqRead_Length; /* Raw data length of frame */ + long seqRead_Index; /* Amount of data that has been already read */ + + void *user; /* Additional data that user may need */ +}; + +/* Statistics that can be overlaid on screen */ +struct usbvideo_statistics { + unsigned long frame_num; /* Sequential number of the frame */ + unsigned long urb_count; /* How many URBs we received so far */ + unsigned long urb_length; /* Length of last URB */ + unsigned long data_count; /* How many bytes we received */ + unsigned long header_count; /* How many frame headers we found */ + unsigned long iso_skip_count; /* How many empty ISO packets received */ + unsigned long iso_err_count; /* How many bad ISO packets received */ +}; + +struct usbvideo; + +struct uvd { + struct video_device vdev; /* Must be the first field! */ + struct usb_device *dev; + struct usbvideo *handle; /* Points back to the struct usbvideo */ + void *user_data; /* Camera-dependent data */ + int user_size; /* Size of that camera-dependent data */ + int debug; /* Debug level for usbvideo */ + unsigned char iface; /* Video interface number */ + unsigned char video_endp; + unsigned char ifaceAltActive; + unsigned char ifaceAltInactive; /* Alt settings */ + unsigned long flags; /* FLAGS_USBVIDEO_xxx */ + unsigned long paletteBits; /* Which palettes we accept? */ + unsigned short defaultPalette; /* What palette to use for read() */ + struct mutex lock; + int user; /* user count for exclusive use */ + + videosize_t videosize; /* Current setting */ + videosize_t canvas; /* This is the width,height of the V4L canvas */ + int max_frame_size; /* Bytes in one video frame */ + + int uvd_used; /* Is this structure in use? */ + int streaming; /* Are we streaming Isochronous? */ + int grabbing; /* Are we grabbing? */ + int settingsAdjusted; /* Have we adjusted contrast etc.? */ + int last_error; /* What calamity struck us? */ + + char *fbuf; /* Videodev buffer area */ + int fbuf_size; /* Videodev buffer size */ + + int curframe; + int iso_packet_len; /* Videomode-dependent, saves bus bandwidth */ + + struct RingQueue dp; /* Isoc data pump */ + struct usbvideo_frame frame[USBVIDEO_NUMFRAMES]; + struct usbvideo_sbuf sbuf[USBVIDEO_NUMSBUF]; + + volatile int remove_pending; /* If set then about to exit */ + + struct video_picture vpic, vpic_old; /* Picture settings */ + struct video_capability vcap; /* Video capabilities */ + struct video_channel vchan; /* May be used for tuner support */ + struct usbvideo_statistics stats; + char videoName[32]; /* Holds name like "video7" */ +}; + +/* + * usbvideo callbacks (virtual methods). They are set when usbvideo + * services are registered. All of these default to NULL, except those + * that default to usbvideo-provided methods. + */ +struct usbvideo_cb { + int (*probe)(struct usb_interface *, const struct usb_device_id *); + void (*userFree)(struct uvd *); + void (*disconnect)(struct usb_interface *); + int (*setupOnOpen)(struct uvd *); + void (*videoStart)(struct uvd *); + void (*videoStop)(struct uvd *); + void (*processData)(struct uvd *, struct usbvideo_frame *); + void (*postProcess)(struct uvd *, struct usbvideo_frame *); + void (*adjustPicture)(struct uvd *); + int (*getFPS)(struct uvd *); + int (*overlayHook)(struct uvd *, struct usbvideo_frame *); + int (*getFrame)(struct uvd *, int); + int (*startDataPump)(struct uvd *uvd); + void (*stopDataPump)(struct uvd *uvd); + int (*setVideoMode)(struct uvd *uvd, struct video_window *vw); +}; + +struct usbvideo { + int num_cameras; /* As allocated */ + struct usb_driver usbdrv; /* Interface to the USB stack */ + char drvName[80]; /* Driver name */ + struct mutex lock; /* Mutex protecting camera structures */ + struct usbvideo_cb cb; /* Table of callbacks (virtual methods) */ + struct video_device vdt; /* Video device template */ + struct uvd *cam; /* Array of camera structures */ + struct module *md_module; /* Minidriver module */ +}; + + +/* + * This macro retrieves callback address from the struct uvd object. + * No validity checks are done here, so be sure to check the + * callback beforehand with VALID_CALLBACK. + */ +#define GET_CALLBACK(uvd,cbName) ((uvd)->handle->cb.cbName) + +/* + * This macro returns either callback pointer or NULL. This is safe + * macro, meaning that most of components of data structures involved + * may be NULL - this only results in NULL being returned. You may + * wish to use this macro to make sure that the callback is callable. + * However keep in mind that those checks take time. + */ +#define VALID_CALLBACK(uvd,cbName) ((((uvd) != NULL) && \ + ((uvd)->handle != NULL)) ? GET_CALLBACK(uvd,cbName) : NULL) + +int RingQueue_Dequeue(struct RingQueue *rq, unsigned char *dst, int len); +int RingQueue_Enqueue(struct RingQueue *rq, const unsigned char *cdata, int n); +void RingQueue_WakeUpInterruptible(struct RingQueue *rq); +void RingQueue_Flush(struct RingQueue *rq); + +static inline int RingQueue_GetLength(const struct RingQueue *rq) +{ + return (rq->wi - rq->ri + rq->length) & (rq->length-1); +} + +static inline int RingQueue_GetFreeSpace(const struct RingQueue *rq) +{ + return rq->length - RingQueue_GetLength(rq); +} + +void usbvideo_DrawLine( + struct usbvideo_frame *frame, + int x1, int y1, + int x2, int y2, + unsigned char cr, unsigned char cg, unsigned char cb); +void usbvideo_HexDump(const unsigned char *data, int len); +void usbvideo_SayAndWait(const char *what); +void usbvideo_TestPattern(struct uvd *uvd, int fullframe, int pmode); + +/* Memory allocation routines */ +unsigned long usbvideo_kvirt_to_pa(unsigned long adr); + +int usbvideo_register( + struct usbvideo **pCams, + const int num_cams, + const int num_extra, + const char *driverName, + const struct usbvideo_cb *cbTable, + struct module *md, + const struct usb_device_id *id_table); +struct uvd *usbvideo_AllocateDevice(struct usbvideo *cams); +int usbvideo_RegisterVideoDevice(struct uvd *uvd); +void usbvideo_Deregister(struct usbvideo **uvt); + +int usbvideo_v4l_initialize(struct video_device *dev); + +void usbvideo_DeinterlaceFrame(struct uvd *uvd, struct usbvideo_frame *frame); + +/* + * This code performs bounds checking - use it when working with + * new formats, or else you may get oopses all over the place. + * If pixel falls out of bounds then it gets shoved back (as close + * to place of offence as possible) and is painted bright red. + * + * There are two important concepts: frame width, height and + * V4L canvas width, height. The former is the area requested by + * the application -for this very frame-. The latter is the largest + * possible frame that we can serve (we advertise that via V4L ioctl). + * The frame data is expected to be formatted as lines of length + * VIDEOSIZE_X(fr->request), total VIDEOSIZE_Y(frame->request) lines. + */ +static inline void RGB24_PUTPIXEL( + struct usbvideo_frame *fr, + int ix, int iy, + unsigned char vr, + unsigned char vg, + unsigned char vb) +{ + register unsigned char *pf; + int limiter = 0, mx, my; + mx = ix; + my = iy; + if (mx < 0) { + mx=0; + limiter++; + } else if (mx >= VIDEOSIZE_X((fr)->request)) { + mx= VIDEOSIZE_X((fr)->request) - 1; + limiter++; + } + if (my < 0) { + my = 0; + limiter++; + } else if (my >= VIDEOSIZE_Y((fr)->request)) { + my = VIDEOSIZE_Y((fr)->request) - 1; + limiter++; + } + pf = (fr)->data + V4L_BYTES_PER_PIXEL*((iy)*VIDEOSIZE_X((fr)->request) + (ix)); + if (limiter) { + *pf++ = 0; + *pf++ = 0; + *pf++ = 0xFF; + } else { + *pf++ = (vb); + *pf++ = (vg); + *pf++ = (vr); + } +} + +#endif /* usbvideo_h */ diff --git a/drivers/staging/usbvideo/vicam.c b/drivers/staging/usbvideo/vicam.c new file mode 100644 index 000000000000..ecdb121297c9 --- /dev/null +++ b/drivers/staging/usbvideo/vicam.c @@ -0,0 +1,952 @@ +/* + * USB ViCam WebCam driver + * Copyright (c) 2002 Joe Burks (jburks@wavicle.org), + * Christopher L Cheney (ccheney@cheney.cx), + * Pavel Machek (pavel@ucw.cz), + * John Tyner (jtyner@cs.ucr.edu), + * Monroe Williams (monroe@pobox.com) + * + * Supports 3COM HomeConnect PC Digital WebCam + * Supports Compro PS39U WebCam + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * This source code is based heavily on the CPiA webcam driver which was + * written by Peter Pregler, Scott J. Bertin and Johannes Erdfelt + * + * Portions of this code were also copied from usbvideo.c + * + * Special thanks to the whole team at Sourceforge for help making + * this driver become a reality. Notably: + * Andy Armstrong who reverse engineered the color encoding and + * Pavel Machek and Chris Cheney who worked on reverse engineering the + * camera controls and wrote the first generation driver. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include "videodev.h" +#include <linux/usb.h> +#include <linux/vmalloc.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/mutex.h> +#include <linux/firmware.h> +#include <linux/ihex.h> +#include "usbvideo.h" + +// #define VICAM_DEBUG + +#ifdef VICAM_DEBUG +#define ADBG(lineno,fmt,args...) printk(fmt, jiffies, __func__, lineno, ##args) +#define DBG(fmt,args...) ADBG((__LINE__),KERN_DEBUG __FILE__"(%ld):%s (%d):"fmt,##args) +#else +#define DBG(fmn,args...) do {} while(0) +#endif + +#define DRIVER_AUTHOR "Joe Burks, jburks@wavicle.org" +#define DRIVER_DESC "ViCam WebCam Driver" + +/* Define these values to match your device */ +#define USB_VICAM_VENDOR_ID 0x04c1 +#define USB_VICAM_PRODUCT_ID 0x009d +#define USB_COMPRO_VENDOR_ID 0x0602 +#define USB_COMPRO_PRODUCT_ID 0x1001 + +#define VICAM_BYTES_PER_PIXEL 3 +#define VICAM_MAX_READ_SIZE (512*242+128) +#define VICAM_MAX_FRAME_SIZE (VICAM_BYTES_PER_PIXEL*320*240) +#define VICAM_FRAMES 2 + +#define VICAM_HEADER_SIZE 64 + +/* rvmalloc / rvfree copied from usbvideo.c + * + * Not sure why these are not yet non-statics which I can reference through + * usbvideo.h the same as it is in 2.4.20. I bet this will get fixed sometime + * in the future. + * +*/ +static void *rvmalloc(unsigned long size) +{ + void *mem; + unsigned long adr; + + size = PAGE_ALIGN(size); + mem = vmalloc_32(size); + if (!mem) + return NULL; + + memset(mem, 0, size); /* Clear the ram out, no junk to the user */ + adr = (unsigned long) mem; + while (size > 0) { + SetPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + + return mem; +} + +static void rvfree(void *mem, unsigned long size) +{ + unsigned long adr; + + if (!mem) + return; + + adr = (unsigned long) mem; + while ((long) size > 0) { + ClearPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + vfree(mem); +} + +struct vicam_camera { + u16 shutter_speed; // capture shutter speed + u16 gain; // capture gain + + u8 *raw_image; // raw data captured from the camera + u8 *framebuf; // processed data in RGB24 format + u8 *cntrlbuf; // area used to send control msgs + + struct video_device vdev; // v4l video device + struct usb_device *udev; // usb device + + /* guard against simultaneous accesses to the camera */ + struct mutex cam_lock; + + int is_initialized; + u8 open_count; + u8 bulkEndpoint; + int needsDummyRead; +}; + +static int vicam_probe( struct usb_interface *intf, const struct usb_device_id *id); +static void vicam_disconnect(struct usb_interface *intf); +static void read_frame(struct vicam_camera *cam, int framenum); +static void vicam_decode_color(const u8 *, u8 *); + +static int __send_control_msg(struct vicam_camera *cam, + u8 request, + u16 value, + u16 index, + unsigned char *cp, + u16 size) +{ + int status; + + /* cp must be memory that has been allocated by kmalloc */ + + status = usb_control_msg(cam->udev, + usb_sndctrlpipe(cam->udev, 0), + request, + USB_DIR_OUT | USB_TYPE_VENDOR | + USB_RECIP_DEVICE, value, index, + cp, size, 1000); + + status = min(status, 0); + + if (status < 0) { + printk(KERN_INFO "Failed sending control message, error %d.\n", + status); + } + + return status; +} + +static int send_control_msg(struct vicam_camera *cam, + u8 request, + u16 value, + u16 index, + unsigned char *cp, + u16 size) +{ + int status = -ENODEV; + mutex_lock(&cam->cam_lock); + if (cam->udev) { + status = __send_control_msg(cam, request, value, + index, cp, size); + } + mutex_unlock(&cam->cam_lock); + return status; +} +static int +initialize_camera(struct vicam_camera *cam) +{ + int err; + const struct ihex_binrec *rec; + const struct firmware *uninitialized_var(fw); + + err = request_ihex_firmware(&fw, "vicam/firmware.fw", &cam->udev->dev); + if (err) { + printk(KERN_ERR "Failed to load \"vicam/firmware.fw\": %d\n", + err); + return err; + } + + for (rec = (void *)fw->data; rec; rec = ihex_next_binrec(rec)) { + memcpy(cam->cntrlbuf, rec->data, be16_to_cpu(rec->len)); + + err = send_control_msg(cam, 0xff, 0, 0, + cam->cntrlbuf, be16_to_cpu(rec->len)); + if (err) + break; + } + + release_firmware(fw); + + return err; +} + +static int +set_camera_power(struct vicam_camera *cam, int state) +{ + int status; + + if ((status = send_control_msg(cam, 0x50, state, 0, NULL, 0)) < 0) + return status; + + if (state) { + send_control_msg(cam, 0x55, 1, 0, NULL, 0); + } + + return 0; +} + +static long +vicam_ioctl(struct file *file, unsigned int ioctlnr, unsigned long arg) +{ + void __user *user_arg = (void __user *)arg; + struct vicam_camera *cam = file->private_data; + long retval = 0; + + if (!cam) + return -ENODEV; + + switch (ioctlnr) { + /* query capabilities */ + case VIDIOCGCAP: + { + struct video_capability b; + + DBG("VIDIOCGCAP\n"); + memset(&b, 0, sizeof(b)); + strcpy(b.name, "ViCam-based Camera"); + b.type = VID_TYPE_CAPTURE; + b.channels = 1; + b.audios = 0; + b.maxwidth = 320; /* VIDEOSIZE_CIF */ + b.maxheight = 240; + b.minwidth = 320; /* VIDEOSIZE_48_48 */ + b.minheight = 240; + + if (copy_to_user(user_arg, &b, sizeof(b))) + retval = -EFAULT; + + break; + } + /* get/set video source - we are a camera and nothing else */ + case VIDIOCGCHAN: + { + struct video_channel v; + + DBG("VIDIOCGCHAN\n"); + if (copy_from_user(&v, user_arg, sizeof(v))) { + retval = -EFAULT; + break; + } + if (v.channel != 0) { + retval = -EINVAL; + break; + } + + v.channel = 0; + strcpy(v.name, "Camera"); + v.tuners = 0; + v.flags = 0; + v.type = VIDEO_TYPE_CAMERA; + v.norm = 0; + + if (copy_to_user(user_arg, &v, sizeof(v))) + retval = -EFAULT; + break; + } + + case VIDIOCSCHAN: + { + int v; + + if (copy_from_user(&v, user_arg, sizeof(v))) + retval = -EFAULT; + DBG("VIDIOCSCHAN %d\n", v); + + if (retval == 0 && v != 0) + retval = -EINVAL; + + break; + } + + /* image properties */ + case VIDIOCGPICT: + { + struct video_picture vp; + DBG("VIDIOCGPICT\n"); + memset(&vp, 0, sizeof (struct video_picture)); + vp.brightness = cam->gain << 8; + vp.depth = 24; + vp.palette = VIDEO_PALETTE_RGB24; + if (copy_to_user(user_arg, &vp, sizeof (struct video_picture))) + retval = -EFAULT; + break; + } + + case VIDIOCSPICT: + { + struct video_picture vp; + + if (copy_from_user(&vp, user_arg, sizeof(vp))) { + retval = -EFAULT; + break; + } + + DBG("VIDIOCSPICT depth = %d, pal = %d\n", vp.depth, + vp.palette); + + cam->gain = vp.brightness >> 8; + + if (vp.depth != 24 + || vp.palette != VIDEO_PALETTE_RGB24) + retval = -EINVAL; + + break; + } + + /* get/set capture window */ + case VIDIOCGWIN: + { + struct video_window vw; + vw.x = 0; + vw.y = 0; + vw.width = 320; + vw.height = 240; + vw.chromakey = 0; + vw.flags = 0; + vw.clips = NULL; + vw.clipcount = 0; + + DBG("VIDIOCGWIN\n"); + + if (copy_to_user(user_arg, (void *)&vw, sizeof(vw))) + retval = -EFAULT; + + // I'm not sure what the deal with a capture window is, it is very poorly described + // in the doc. So I won't support it now. + break; + } + + case VIDIOCSWIN: + { + + struct video_window vw; + + if (copy_from_user(&vw, user_arg, sizeof(vw))) { + retval = -EFAULT; + break; + } + + DBG("VIDIOCSWIN %d x %d\n", vw.width, vw.height); + + if ( vw.width != 320 || vw.height != 240 ) + retval = -EFAULT; + + break; + } + + /* mmap interface */ + case VIDIOCGMBUF: + { + struct video_mbuf vm; + int i; + + DBG("VIDIOCGMBUF\n"); + memset(&vm, 0, sizeof (vm)); + vm.size = + VICAM_MAX_FRAME_SIZE * VICAM_FRAMES; + vm.frames = VICAM_FRAMES; + for (i = 0; i < VICAM_FRAMES; i++) + vm.offsets[i] = VICAM_MAX_FRAME_SIZE * i; + + if (copy_to_user(user_arg, (void *)&vm, sizeof(vm))) + retval = -EFAULT; + + break; + } + + case VIDIOCMCAPTURE: + { + struct video_mmap vm; + // int video_size; + + if (copy_from_user((void *)&vm, user_arg, sizeof(vm))) { + retval = -EFAULT; + break; + } + + DBG("VIDIOCMCAPTURE frame=%d, height=%d, width=%d, format=%d.\n",vm.frame,vm.width,vm.height,vm.format); + + if ( vm.frame >= VICAM_FRAMES || vm.format != VIDEO_PALETTE_RGB24 ) + retval = -EINVAL; + + // in theory right here we'd start the image capturing + // (fill in a bulk urb and submit it asynchronously) + // + // Instead we're going to do a total hack job for now and + // retrieve the frame in VIDIOCSYNC + + break; + } + + case VIDIOCSYNC: + { + int frame; + + if (copy_from_user((void *)&frame, user_arg, sizeof(int))) { + retval = -EFAULT; + break; + } + DBG("VIDIOCSYNC: %d\n", frame); + + read_frame(cam, frame); + vicam_decode_color(cam->raw_image, + cam->framebuf + + frame * VICAM_MAX_FRAME_SIZE ); + + break; + } + + /* pointless to implement overlay with this camera */ + case VIDIOCCAPTURE: + case VIDIOCGFBUF: + case VIDIOCSFBUF: + case VIDIOCKEY: + retval = -EINVAL; + break; + + /* tuner interface - we have none */ + case VIDIOCGTUNER: + case VIDIOCSTUNER: + case VIDIOCGFREQ: + case VIDIOCSFREQ: + retval = -EINVAL; + break; + + /* audio interface - we have none */ + case VIDIOCGAUDIO: + case VIDIOCSAUDIO: + retval = -EINVAL; + break; + default: + retval = -ENOIOCTLCMD; + break; + } + + return retval; +} + +static int +vicam_open(struct file *file) +{ + struct vicam_camera *cam = video_drvdata(file); + + DBG("open\n"); + + if (!cam) { + printk(KERN_ERR + "vicam video_device improperly initialized"); + return -EINVAL; + } + + /* cam_lock/open_count protects us from simultaneous opens + * ... for now. we probably shouldn't rely on this fact forever. + */ + + mutex_lock(&cam->cam_lock); + if (cam->open_count > 0) { + printk(KERN_INFO + "vicam_open called on already opened camera"); + mutex_unlock(&cam->cam_lock); + return -EBUSY; + } + + cam->raw_image = kmalloc(VICAM_MAX_READ_SIZE, GFP_KERNEL); + if (!cam->raw_image) { + mutex_unlock(&cam->cam_lock); + return -ENOMEM; + } + + cam->framebuf = rvmalloc(VICAM_MAX_FRAME_SIZE * VICAM_FRAMES); + if (!cam->framebuf) { + kfree(cam->raw_image); + mutex_unlock(&cam->cam_lock); + return -ENOMEM; + } + + cam->cntrlbuf = kmalloc(PAGE_SIZE, GFP_KERNEL); + if (!cam->cntrlbuf) { + kfree(cam->raw_image); + rvfree(cam->framebuf, VICAM_MAX_FRAME_SIZE * VICAM_FRAMES); + mutex_unlock(&cam->cam_lock); + return -ENOMEM; + } + + cam->needsDummyRead = 1; + cam->open_count++; + + file->private_data = cam; + mutex_unlock(&cam->cam_lock); + + + // First upload firmware, then turn the camera on + + if (!cam->is_initialized) { + initialize_camera(cam); + + cam->is_initialized = 1; + } + + set_camera_power(cam, 1); + + return 0; +} + +static int +vicam_close(struct file *file) +{ + struct vicam_camera *cam = file->private_data; + int open_count; + struct usb_device *udev; + + DBG("close\n"); + + /* it's not the end of the world if + * we fail to turn the camera off. + */ + + set_camera_power(cam, 0); + + kfree(cam->raw_image); + rvfree(cam->framebuf, VICAM_MAX_FRAME_SIZE * VICAM_FRAMES); + kfree(cam->cntrlbuf); + + mutex_lock(&cam->cam_lock); + + cam->open_count--; + open_count = cam->open_count; + udev = cam->udev; + + mutex_unlock(&cam->cam_lock); + + if (!open_count && !udev) { + kfree(cam); + } + + return 0; +} + +static void vicam_decode_color(const u8 *data, u8 *rgb) +{ + /* vicam_decode_color - Convert from Vicam Y-Cr-Cb to RGB + * Copyright (C) 2002 Monroe Williams (monroe@pobox.com) + */ + + int i, prevY, nextY; + + prevY = 512; + nextY = 512; + + data += VICAM_HEADER_SIZE; + + for( i = 0; i < 240; i++, data += 512 ) { + const int y = ( i * 242 ) / 240; + + int j, prevX, nextX; + int Y, Cr, Cb; + + if ( y == 242 - 1 ) { + nextY = -512; + } + + prevX = 1; + nextX = 1; + + for ( j = 0; j < 320; j++, rgb += 3 ) { + const int x = ( j * 512 ) / 320; + const u8 * const src = &data[x]; + + if ( x == 512 - 1 ) { + nextX = -1; + } + + Cr = ( src[prevX] - src[0] ) + + ( src[nextX] - src[0] ); + Cr /= 2; + + Cb = ( src[prevY] - src[prevX + prevY] ) + + ( src[prevY] - src[nextX + prevY] ) + + ( src[nextY] - src[prevX + nextY] ) + + ( src[nextY] - src[nextX + nextY] ); + Cb /= 4; + + Y = 1160 * ( src[0] + ( Cr / 2 ) - 16 ); + + if ( i & 1 ) { + int Ct = Cr; + Cr = Cb; + Cb = Ct; + } + + if ( ( x ^ i ) & 1 ) { + Cr = -Cr; + Cb = -Cb; + } + + rgb[0] = clamp( ( ( Y + ( 2017 * Cb ) ) + + 500 ) / 900, 0, 255 ); + rgb[1] = clamp( ( ( Y - ( 392 * Cb ) - + ( 813 * Cr ) ) + + 500 ) / 1000, 0, 255 ); + rgb[2] = clamp( ( ( Y + ( 1594 * Cr ) ) + + 500 ) / 1300, 0, 255 ); + + prevX = -1; + } + + prevY = -512; + } +} + +static void +read_frame(struct vicam_camera *cam, int framenum) +{ + unsigned char *request = cam->cntrlbuf; + int realShutter; + int n; + int actual_length; + + if (cam->needsDummyRead) { + cam->needsDummyRead = 0; + read_frame(cam, framenum); + } + + memset(request, 0, 16); + request[0] = cam->gain; // 0 = 0% gain, FF = 100% gain + + request[1] = 0; // 512x242 capture + + request[2] = 0x90; // the function of these two bytes + request[3] = 0x07; // is not yet understood + + if (cam->shutter_speed > 60) { + // Short exposure + realShutter = + ((-15631900 / cam->shutter_speed) + 260533) / 1000; + request[4] = realShutter & 0xFF; + request[5] = (realShutter >> 8) & 0xFF; + request[6] = 0x03; + request[7] = 0x01; + } else { + // Long exposure + realShutter = 15600 / cam->shutter_speed - 1; + request[4] = 0; + request[5] = 0; + request[6] = realShutter & 0xFF; + request[7] = realShutter >> 8; + } + + // Per John Markus Bjørndalen, byte at index 8 causes problems if it isn't 0 + request[8] = 0; + // bytes 9-15 do not seem to affect exposure or image quality + + mutex_lock(&cam->cam_lock); + + if (!cam->udev) { + goto done; + } + + n = __send_control_msg(cam, 0x51, 0x80, 0, request, 16); + + if (n < 0) { + printk(KERN_ERR + " Problem sending frame capture control message"); + goto done; + } + + n = usb_bulk_msg(cam->udev, + usb_rcvbulkpipe(cam->udev, cam->bulkEndpoint), + cam->raw_image, + 512 * 242 + 128, &actual_length, 10000); + + if (n < 0) { + printk(KERN_ERR "Problem during bulk read of frame data: %d\n", + n); + } + + done: + mutex_unlock(&cam->cam_lock); +} + +static ssize_t +vicam_read( struct file *file, char __user *buf, size_t count, loff_t *ppos ) +{ + struct vicam_camera *cam = file->private_data; + + DBG("read %d bytes.\n", (int) count); + + if (*ppos >= VICAM_MAX_FRAME_SIZE) { + *ppos = 0; + return 0; + } + + if (*ppos == 0) { + read_frame(cam, 0); + vicam_decode_color(cam->raw_image, + cam->framebuf + + 0 * VICAM_MAX_FRAME_SIZE); + } + + count = min_t(size_t, count, VICAM_MAX_FRAME_SIZE - *ppos); + + if (copy_to_user(buf, &cam->framebuf[*ppos], count)) { + count = -EFAULT; + } else { + *ppos += count; + } + + if (count == VICAM_MAX_FRAME_SIZE) { + *ppos = 0; + } + + return count; +} + + +static int +vicam_mmap(struct file *file, struct vm_area_struct *vma) +{ + // TODO: allocate the raw frame buffer if necessary + unsigned long page, pos; + unsigned long start = vma->vm_start; + unsigned long size = vma->vm_end-vma->vm_start; + struct vicam_camera *cam = file->private_data; + + if (!cam) + return -ENODEV; + + DBG("vicam_mmap: %ld\n", size); + + /* We let mmap allocate as much as it wants because Linux was adding 2048 bytes + * to the size the application requested for mmap and it was screwing apps up. + if (size > VICAM_FRAMES*VICAM_MAX_FRAME_SIZE) + return -EINVAL; + */ + + pos = (unsigned long)cam->framebuf; + while (size > 0) { + page = vmalloc_to_pfn((void *)pos); + if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) + return -EAGAIN; + + start += PAGE_SIZE; + pos += PAGE_SIZE; + if (size > PAGE_SIZE) + size -= PAGE_SIZE; + else + size = 0; + } + + return 0; +} + +static const struct v4l2_file_operations vicam_fops = { + .owner = THIS_MODULE, + .open = vicam_open, + .release = vicam_close, + .read = vicam_read, + .mmap = vicam_mmap, + .ioctl = vicam_ioctl, +}; + +static struct video_device vicam_template = { + .name = "ViCam-based USB Camera", + .fops = &vicam_fops, + .release = video_device_release_empty, +}; + +/* table of devices that work with this driver */ +static struct usb_device_id vicam_table[] = { + {USB_DEVICE(USB_VICAM_VENDOR_ID, USB_VICAM_PRODUCT_ID)}, + {USB_DEVICE(USB_COMPRO_VENDOR_ID, USB_COMPRO_PRODUCT_ID)}, + {} /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, vicam_table); + +static struct usb_driver vicam_driver = { + .name = "vicam", + .probe = vicam_probe, + .disconnect = vicam_disconnect, + .id_table = vicam_table +}; + +/** + * vicam_probe + * @intf: the interface + * @id: the device id + * + * Called by the usb core when a new device is connected that it thinks + * this driver might be interested in. + */ +static int +vicam_probe( struct usb_interface *intf, const struct usb_device_id *id) +{ + struct usb_device *dev = interface_to_usbdev(intf); + int bulkEndpoint = 0; + const struct usb_host_interface *interface; + const struct usb_endpoint_descriptor *endpoint; + struct vicam_camera *cam; + + printk(KERN_INFO "ViCam based webcam connected\n"); + + interface = intf->cur_altsetting; + + DBG(KERN_DEBUG "Interface %d. has %u. endpoints!\n", + interface->desc.bInterfaceNumber, (unsigned) (interface->desc.bNumEndpoints)); + endpoint = &interface->endpoint[0].desc; + + if (usb_endpoint_is_bulk_in(endpoint)) { + /* we found a bulk in endpoint */ + bulkEndpoint = endpoint->bEndpointAddress; + } else { + printk(KERN_ERR + "No bulk in endpoint was found ?! (this is bad)\n"); + } + + if ((cam = + kzalloc(sizeof (struct vicam_camera), GFP_KERNEL)) == NULL) { + printk(KERN_WARNING + "could not allocate kernel memory for vicam_camera struct\n"); + return -ENOMEM; + } + + + cam->shutter_speed = 15; + + mutex_init(&cam->cam_lock); + + memcpy(&cam->vdev, &vicam_template, sizeof(vicam_template)); + video_set_drvdata(&cam->vdev, cam); + + cam->udev = dev; + cam->bulkEndpoint = bulkEndpoint; + + if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1) < 0) { + kfree(cam); + printk(KERN_WARNING "video_register_device failed\n"); + return -EIO; + } + + printk(KERN_INFO "ViCam webcam driver now controlling device %s\n", + video_device_node_name(&cam->vdev)); + + usb_set_intfdata (intf, cam); + + return 0; +} + +static void +vicam_disconnect(struct usb_interface *intf) +{ + int open_count; + struct vicam_camera *cam = usb_get_intfdata (intf); + usb_set_intfdata (intf, NULL); + + /* we must unregister the device before taking its + * cam_lock. This is because the video open call + * holds the same lock as video unregister. if we + * unregister inside of the cam_lock and open also + * uses the cam_lock, we get deadlock. + */ + + video_unregister_device(&cam->vdev); + + /* stop the camera from being used */ + + mutex_lock(&cam->cam_lock); + + /* mark the camera as gone */ + + cam->udev = NULL; + + /* the only thing left to do is synchronize with + * our close/release function on who should release + * the camera memory. if there are any users using the + * camera, it's their job. if there are no users, + * it's ours. + */ + + open_count = cam->open_count; + + mutex_unlock(&cam->cam_lock); + + if (!open_count) { + kfree(cam); + } + + printk(KERN_DEBUG "ViCam-based WebCam disconnected\n"); +} + +/* + */ +static int __init +usb_vicam_init(void) +{ + int retval; + DBG(KERN_INFO "ViCam-based WebCam driver startup\n"); + retval = usb_register(&vicam_driver); + if (retval) + printk(KERN_WARNING "usb_register failed!\n"); + return retval; +} + +static void __exit +usb_vicam_exit(void) +{ + DBG(KERN_INFO + "ViCam-based WebCam driver shutdown\n"); + + usb_deregister(&vicam_driver); +} + +module_init(usb_vicam_init); +module_exit(usb_vicam_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE("vicam/firmware.fw"); diff --git a/drivers/staging/usbvideo/videodev.h b/drivers/staging/usbvideo/videodev.h new file mode 100644 index 000000000000..f11efbef1c05 --- /dev/null +++ b/drivers/staging/usbvideo/videodev.h @@ -0,0 +1,318 @@ +/* + * Video for Linux version 1 - OBSOLETE + * + * Header file for v4l1 drivers and applications, for + * Linux kernels 2.2.x or 2.4.x. + * + * Provides header for legacy drivers and applications + * + * See http://linuxtv.org for more info + * + */ +#ifndef __LINUX_VIDEODEV_H +#define __LINUX_VIDEODEV_H + +#include <linux/types.h> +#include <linux/ioctl.h> +#include <linux/videodev2.h> + +#define VID_TYPE_CAPTURE 1 /* Can capture */ +#define VID_TYPE_TUNER 2 /* Can tune */ +#define VID_TYPE_TELETEXT 4 /* Does teletext */ +#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ +#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ +#define VID_TYPE_CLIPPING 32 /* Can clip */ +#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ +#define VID_TYPE_SCALES 128 /* Scalable */ +#define VID_TYPE_MONOCHROME 256 /* Monochrome only */ +#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ +#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ +#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ +#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ +#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ + +struct video_capability +{ + char name[32]; + int type; + int channels; /* Num channels */ + int audios; /* Num audio devices */ + int maxwidth; /* Supported width */ + int maxheight; /* And height */ + int minwidth; /* Supported width */ + int minheight; /* And height */ +}; + + +struct video_channel +{ + int channel; + char name[32]; + int tuners; + __u32 flags; +#define VIDEO_VC_TUNER 1 /* Channel has a tuner */ +#define VIDEO_VC_AUDIO 2 /* Channel has audio */ + __u16 type; +#define VIDEO_TYPE_TV 1 +#define VIDEO_TYPE_CAMERA 2 + __u16 norm; /* Norm set by channel */ +}; + +struct video_tuner +{ + int tuner; + char name[32]; + unsigned long rangelow, rangehigh; /* Tuner range */ + __u32 flags; +#define VIDEO_TUNER_PAL 1 +#define VIDEO_TUNER_NTSC 2 +#define VIDEO_TUNER_SECAM 4 +#define VIDEO_TUNER_LOW 8 /* Uses KHz not MHz */ +#define VIDEO_TUNER_NORM 16 /* Tuner can set norm */ +#define VIDEO_TUNER_STEREO_ON 128 /* Tuner is seeing stereo */ +#define VIDEO_TUNER_RDS_ON 256 /* Tuner is seeing an RDS datastream */ +#define VIDEO_TUNER_MBS_ON 512 /* Tuner is seeing an MBS datastream */ + __u16 mode; /* PAL/NTSC/SECAM/OTHER */ +#define VIDEO_MODE_PAL 0 +#define VIDEO_MODE_NTSC 1 +#define VIDEO_MODE_SECAM 2 +#define VIDEO_MODE_AUTO 3 + __u16 signal; /* Signal strength 16bit scale */ +}; + +struct video_picture +{ + __u16 brightness; + __u16 hue; + __u16 colour; + __u16 contrast; + __u16 whiteness; /* Black and white only */ + __u16 depth; /* Capture depth */ + __u16 palette; /* Palette in use */ +#define VIDEO_PALETTE_GREY 1 /* Linear greyscale */ +#define VIDEO_PALETTE_HI240 2 /* High 240 cube (BT848) */ +#define VIDEO_PALETTE_RGB565 3 /* 565 16 bit RGB */ +#define VIDEO_PALETTE_RGB24 4 /* 24bit RGB */ +#define VIDEO_PALETTE_RGB32 5 /* 32bit RGB */ +#define VIDEO_PALETTE_RGB555 6 /* 555 15bit RGB */ +#define VIDEO_PALETTE_YUV422 7 /* YUV422 capture */ +#define VIDEO_PALETTE_YUYV 8 +#define VIDEO_PALETTE_UYVY 9 /* The great thing about standards is ... */ +#define VIDEO_PALETTE_YUV420 10 +#define VIDEO_PALETTE_YUV411 11 /* YUV411 capture */ +#define VIDEO_PALETTE_RAW 12 /* RAW capture (BT848) */ +#define VIDEO_PALETTE_YUV422P 13 /* YUV 4:2:2 Planar */ +#define VIDEO_PALETTE_YUV411P 14 /* YUV 4:1:1 Planar */ +#define VIDEO_PALETTE_YUV420P 15 /* YUV 4:2:0 Planar */ +#define VIDEO_PALETTE_YUV410P 16 /* YUV 4:1:0 Planar */ +#define VIDEO_PALETTE_PLANAR 13 /* start of planar entries */ +#define VIDEO_PALETTE_COMPONENT 7 /* start of component entries */ +}; + +struct video_audio +{ + int audio; /* Audio channel */ + __u16 volume; /* If settable */ + __u16 bass, treble; + __u32 flags; +#define VIDEO_AUDIO_MUTE 1 +#define VIDEO_AUDIO_MUTABLE 2 +#define VIDEO_AUDIO_VOLUME 4 +#define VIDEO_AUDIO_BASS 8 +#define VIDEO_AUDIO_TREBLE 16 +#define VIDEO_AUDIO_BALANCE 32 + char name[16]; +#define VIDEO_SOUND_MONO 1 +#define VIDEO_SOUND_STEREO 2 +#define VIDEO_SOUND_LANG1 4 +#define VIDEO_SOUND_LANG2 8 + __u16 mode; + __u16 balance; /* Stereo balance */ + __u16 step; /* Step actual volume uses */ +}; + +struct video_clip +{ + __s32 x,y; + __s32 width, height; + struct video_clip *next; /* For user use/driver use only */ +}; + +struct video_window +{ + __u32 x,y; /* Position of window */ + __u32 width,height; /* Its size */ + __u32 chromakey; + __u32 flags; + struct video_clip __user *clips; /* Set only */ + int clipcount; +#define VIDEO_WINDOW_INTERLACE 1 +#define VIDEO_WINDOW_CHROMAKEY 16 /* Overlay by chromakey */ +#define VIDEO_CLIP_BITMAP -1 +/* bitmap is 1024x625, a '1' bit represents a clipped pixel */ +#define VIDEO_CLIPMAP_SIZE (128 * 625) +}; + +struct video_capture +{ + __u32 x,y; /* Offsets into image */ + __u32 width, height; /* Area to capture */ + __u16 decimation; /* Decimation divider */ + __u16 flags; /* Flags for capture */ +#define VIDEO_CAPTURE_ODD 0 /* Temporal */ +#define VIDEO_CAPTURE_EVEN 1 +}; + +struct video_buffer +{ + void *base; + int height,width; + int depth; + int bytesperline; +}; + +struct video_mmap +{ + unsigned int frame; /* Frame (0 - n) for double buffer */ + int height,width; + unsigned int format; /* should be VIDEO_PALETTE_* */ +}; + +struct video_key +{ + __u8 key[8]; + __u32 flags; +}; + +struct video_mbuf +{ + int size; /* Total memory to map */ + int frames; /* Frames */ + int offsets[VIDEO_MAX_FRAME]; +}; + +#define VIDEO_NO_UNIT (-1) + +struct video_unit +{ + int video; /* Video minor */ + int vbi; /* VBI minor */ + int radio; /* Radio minor */ + int audio; /* Audio minor */ + int teletext; /* Teletext minor */ +}; + +struct vbi_format { + __u32 sampling_rate; /* in Hz */ + __u32 samples_per_line; + __u32 sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */ + __s32 start[2]; /* starting line for each frame */ + __u32 count[2]; /* count of lines for each frame */ + __u32 flags; +#define VBI_UNSYNC 1 /* can distingues between top/bottom field */ +#define VBI_INTERLACED 2 /* lines are interlaced */ +}; + +/* video_info is biased towards hardware mpeg encode/decode */ +/* but it could apply generically to any hardware compressor/decompressor */ +struct video_info +{ + __u32 frame_count; /* frames output since decode/encode began */ + __u32 h_size; /* current unscaled horizontal size */ + __u32 v_size; /* current unscaled veritcal size */ + __u32 smpte_timecode; /* current SMPTE timecode (for current GOP) */ + __u32 picture_type; /* current picture type */ + __u32 temporal_reference; /* current temporal reference */ + __u8 user_data[256]; /* user data last found in compressed stream */ + /* user_data[0] contains user data flags, user_data[1] has count */ +}; + +/* generic structure for setting playback modes */ +struct video_play_mode +{ + int mode; + int p1; + int p2; +}; + +/* for loading microcode / fpga programming */ +struct video_code +{ + char loadwhat[16]; /* name or tag of file being passed */ + int datasize; + __u8 *data; +}; + +#define VIDIOCGCAP _IOR('v',1,struct video_capability) /* Get capabilities */ +#define VIDIOCGCHAN _IOWR('v',2,struct video_channel) /* Get channel info (sources) */ +#define VIDIOCSCHAN _IOW('v',3,struct video_channel) /* Set channel */ +#define VIDIOCGTUNER _IOWR('v',4,struct video_tuner) /* Get tuner abilities */ +#define VIDIOCSTUNER _IOW('v',5,struct video_tuner) /* Tune the tuner for the current channel */ +#define VIDIOCGPICT _IOR('v',6,struct video_picture) /* Get picture properties */ +#define VIDIOCSPICT _IOW('v',7,struct video_picture) /* Set picture properties */ +#define VIDIOCCAPTURE _IOW('v',8,int) /* Start, end capture */ +#define VIDIOCGWIN _IOR('v',9, struct video_window) /* Get the video overlay window */ +#define VIDIOCSWIN _IOW('v',10, struct video_window) /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */ +#define VIDIOCGFBUF _IOR('v',11, struct video_buffer) /* Get frame buffer */ +#define VIDIOCSFBUF _IOW('v',12, struct video_buffer) /* Set frame buffer - root only */ +#define VIDIOCKEY _IOR('v',13, struct video_key) /* Video key event - to dev 255 is to all - cuts capture on all DMA windows with this key (0xFFFFFFFF == all) */ +#define VIDIOCGFREQ _IOR('v',14, unsigned long) /* Set tuner */ +#define VIDIOCSFREQ _IOW('v',15, unsigned long) /* Set tuner */ +#define VIDIOCGAUDIO _IOR('v',16, struct video_audio) /* Get audio info */ +#define VIDIOCSAUDIO _IOW('v',17, struct video_audio) /* Audio source, mute etc */ +#define VIDIOCSYNC _IOW('v',18, int) /* Sync with mmap grabbing */ +#define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap) /* Grab frames */ +#define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */ +#define VIDIOCGUNIT _IOR('v',21, struct video_unit) /* Get attached units */ +#define VIDIOCGCAPTURE _IOR('v',22, struct video_capture) /* Get subcapture */ +#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set subcapture */ +#define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode) /* Set output video mode/feature */ +#define VIDIOCSWRITEMODE _IOW('v',25, int) /* Set write mode */ +#define VIDIOCGPLAYINFO _IOR('v',26, struct video_info) /* Get current playback info from hardware */ +#define VIDIOCSMICROCODE _IOW('v',27, struct video_code) /* Load microcode into hardware */ +#define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format) /* Get VBI information */ +#define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format) /* Set VBI information */ + + +#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */ + +/* VIDIOCSWRITEMODE */ +#define VID_WRITE_MPEG_AUD 0 +#define VID_WRITE_MPEG_VID 1 +#define VID_WRITE_OSD 2 +#define VID_WRITE_TTX 3 +#define VID_WRITE_CC 4 +#define VID_WRITE_MJPEG 5 + +/* VIDIOCSPLAYMODE */ +#define VID_PLAY_VID_OUT_MODE 0 + /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */ +#define VID_PLAY_GENLOCK 1 + /* p1: 0 = OFF, 1 = ON */ + /* p2: GENLOCK FINE DELAY value */ +#define VID_PLAY_NORMAL 2 +#define VID_PLAY_PAUSE 3 +#define VID_PLAY_SINGLE_FRAME 4 +#define VID_PLAY_FAST_FORWARD 5 +#define VID_PLAY_SLOW_MOTION 6 +#define VID_PLAY_IMMEDIATE_NORMAL 7 +#define VID_PLAY_SWITCH_CHANNELS 8 +#define VID_PLAY_FREEZE_FRAME 9 +#define VID_PLAY_STILL_MODE 10 +#define VID_PLAY_MASTER_MODE 11 + /* p1: see below */ +#define VID_PLAY_MASTER_NONE 1 +#define VID_PLAY_MASTER_VIDEO 2 +#define VID_PLAY_MASTER_AUDIO 3 +#define VID_PLAY_ACTIVE_SCANLINES 12 + /* p1 = first active; p2 = last active */ +#define VID_PLAY_RESET 13 +#define VID_PLAY_END_MARK 14 + +#endif /* __LINUX_VIDEODEV_H */ + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |