diff options
| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-28 09:35:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-28 09:35:11 -0700 |
| commit | 0851668fdd97e526b2a41f794b785c204dd3d3e0 (patch) | |
| tree | 4ef7c20a8be8393006c6fe9627eb29dd30877d61 /drivers/staging | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc (diff) | |
| parent | [media] af9015: Fix max I2C message size when used with tda18271 (diff) | |
| download | linux-dev-0851668fdd97e526b2a41f794b785c204dd3d3e0.tar.xz linux-dev-0851668fdd97e526b2a41f794b785c204dd3d3e0.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: (505 commits)
[media] af9015: Fix max I2C message size when used with tda18271
[media] IR: initialize ir_raw_event in few more drivers
[media] Guard a divide in v4l1 compat layer
[media] imon: fix nomouse modprobe option
[media] imon: remove redundant change_protocol call
[media] imon: fix my egregious brown paper bag w/rdev/idev split
[media] cafe_ccic: Configure ov7670 correctly
[media] ov7670: allow configuration of image size, clock speed, and I/O method
[media] af9015: support for DigitalNow TinyTwin v3 [1f4d:9016]
[media] af9015: map DigitalNow TinyTwin v2 remote
[media] DigitalNow TinyTwin remote controller
[media] af9015: RC fixes and improvements
videodev2.h.xml: Update to reflect the latest changes at videodev2.h
[media] v4l: document new Bayer and monochrome pixel formats
[media] DocBook/v4l: Add missing formats used on gspca cpia1 and sn9c2028
[media] firedtv: add parameter to fake ca_system_ids in CA_INFO
[media] tm6000: fix a macro coding style issue
tm6000: Remove some ugly debug code
[media] Nova-S-Plus audio line input
[media] [RFC,1/1] V4L2: Use new CAP bits in existing RDS capable drivers
...
Diffstat (limited to 'drivers/staging')
62 files changed, 9519 insertions, 889 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 8e03e7600239..2ea91e049255 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -51,6 +51,10 @@ source "drivers/staging/cx25821/Kconfig" source "drivers/staging/tm6000/Kconfig" +source "drivers/staging/cpia/Kconfig" + +source "drivers/staging/stradis/Kconfig" + source "drivers/staging/usbip/Kconfig" source "drivers/staging/winbond/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 0e7d7559d379..c359fbb0e04a 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -8,6 +8,8 @@ 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-$(CONFIG_LIRC_STAGING) += lirc/ obj-$(CONFIG_USB_IP_COMMON) += usbip/ obj-$(CONFIG_W35UND) += winbond/ diff --git a/drivers/staging/cpia/Kconfig b/drivers/staging/cpia/Kconfig new file mode 100644 index 000000000000..205d247ad373 --- /dev/null +++ b/drivers/staging/cpia/Kconfig @@ -0,0 +1,39 @@ +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 new file mode 100644 index 000000000000..89e52f10d739 --- /dev/null +++ b/drivers/staging/cpia/Makefile @@ -0,0 +1,5 @@ +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 new file mode 100644 index 000000000000..ccb1c0775eec --- /dev/null +++ b/drivers/staging/cpia/TODO @@ -0,0 +1,8 @@ +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 new file mode 100644 index 000000000000..933ae4c8cb9a --- /dev/null +++ b/drivers/staging/cpia/cpia.c @@ -0,0 +1,4032 @@ +/* + * 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; + } + + err = -EINTR; + if(signal_pending(current)) + goto oops; + + /* Set ownership of /proc/cpia/videoX to current user */ + if(cam->proc_entry) + cam->proc_entry->uid = current_uid(); + + /* 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 new file mode 100644 index 000000000000..8f0cfee4b8a1 --- /dev/null +++ b/drivers/staging/cpia/cpia.h @@ -0,0 +1,432 @@ +#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 new file mode 100644 index 000000000000..f5604c16a092 --- /dev/null +++ b/drivers/staging/cpia/cpia_pp.c @@ -0,0 +1,869 @@ +/* + * 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 new file mode 100644 index 000000000000..58d193ff591c --- /dev/null +++ b/drivers/staging/cpia/cpia_usb.c @@ -0,0 +1,640 @@ +/* + * 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 813cb355ac01..1d73334d2a44 100644 --- a/drivers/staging/cx25821/Kconfig +++ b/drivers/staging/cx25821/Kconfig @@ -5,7 +5,7 @@ config VIDEO_CX25821 select I2C_ALGOBIT select VIDEO_BTCX select VIDEO_TVEEPROM - select VIDEO_IR + depends on VIDEO_IR 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 bbe36437ac16..2a01dc057b2c 100644 --- a/drivers/staging/cx25821/cx25821-alsa.c +++ b/drivers/staging/cx25821/cx25821-alsa.c @@ -629,7 +629,7 @@ static int snd_cx25821_pcm(struct cx25821_audio_dev *chip, int device, * Only boards with eeprom and byte 1 at eeprom=1 have it */ -static struct pci_device_id cx25821_audio_pci_tbl[] __devinitdata = { +static const struct pci_device_id cx25821_audio_pci_tbl[] __devinitdata = { {0x14f1, 0x0920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {0,} }; diff --git a/drivers/staging/cx25821/cx25821-audio-upstream.c b/drivers/staging/cx25821/cx25821-audio-upstream.c index cdff49f409f2..6f3200666c93 100644 --- a/drivers/staging/cx25821/cx25821-audio-upstream.c +++ b/drivers/staging/cx25821/cx25821-audio-upstream.c @@ -40,8 +40,8 @@ MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); MODULE_LICENSE("GPL"); static int _intr_msk = - FLD_AUD_SRC_RISCI1 | FLD_AUD_SRC_OF | FLD_AUD_SRC_SYNC | - FLD_AUD_SRC_OPC_ERR; + FLD_AUD_SRC_RISCI1 | FLD_AUD_SRC_OF | FLD_AUD_SRC_SYNC | + FLD_AUD_SRC_OPC_ERR; int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev, struct sram_channel *ch, @@ -506,7 +506,7 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, { int i = 0; u32 int_msk_tmp; - struct sram_channel *channel = dev->channels[chan_num].sram_channels; + struct sram_channel *channel = dev->channels[chan_num].sram_channels; dma_addr_t risc_phys_jump_addr; __le32 *rp; @@ -608,7 +608,7 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id) if (!dev) return -1; - sram_ch = dev->channels[dev->_audio_upstream_channel_select]. + sram_ch = dev->channels[dev->_audio_upstream_channel_select]. sram_channels; msk_stat = cx_read(sram_ch->int_mstat); @@ -733,7 +733,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) } dev->_audio_upstream_channel_select = channel_select; - sram_ch = dev->channels[channel_select].sram_channels; + sram_ch = dev->channels[channel_select].sram_channels; /* Work queue */ INIT_WORK(&dev->_audio_work_entry, cx25821_audioups_handler); @@ -764,9 +764,8 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) str_length + 1); /* Default if filename is empty string */ - if (strcmp(dev->input_audiofilename, "") == 0) { + if (strcmp(dev->input_audiofilename, "") == 0) dev->_audiofilename = "/root/audioGOOD.wav"; - } } else { str_length = strlen(_defaultAudioName); dev->_audiofilename = kmalloc(str_length + 1, GFP_KERNEL); diff --git a/drivers/staging/cx25821/cx25821-audio-upstream.h b/drivers/staging/cx25821/cx25821-audio-upstream.h index ca987addf815..668a4f11e80b 100644 --- a/drivers/staging/cx25821/cx25821-audio-upstream.h +++ b/drivers/staging/cx25821/cx25821-audio-upstream.h @@ -46,11 +46,11 @@ #define USE_RISC_NOOP_AUDIO 1 #ifdef USE_RISC_NOOP_AUDIO -#define AUDIO_RISC_DMA_BUF_SIZE ( LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE + RISC_JUMP_INSTRUCTION_SIZE) +#define AUDIO_RISC_DMA_BUF_SIZE (LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE + RISC_JUMP_INSTRUCTION_SIZE) #endif #ifndef USE_RISC_NOOP_AUDIO -#define AUDIO_RISC_DMA_BUF_SIZE ( LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE) +#define AUDIO_RISC_DMA_BUF_SIZE (LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE) #endif static int _line_size; diff --git a/drivers/staging/cx25821/cx25821-audio.h b/drivers/staging/cx25821/cx25821-audio.h index 434b2a312a80..a702a0db21d3 100644 --- a/drivers/staging/cx25821/cx25821-audio.h +++ b/drivers/staging/cx25821/cx25821-audio.h @@ -31,18 +31,18 @@ #define NUMBER_OF_PROGRAMS 8 /* - Max size of the RISC program for a buffer. - worst case is 2 writes per line - Space is also added for the 4 no-op instructions added on the end. -*/ + * Max size of the RISC program for a buffer. - worst case is 2 writes per line + * Space is also added for the 4 no-op instructions added on the end. + */ #ifndef USE_RISC_NOOP #define MAX_BUFFER_PROGRAM_SIZE \ - (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE*4) + (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE*4) #endif /* MAE 12 July 2005 Try to use NOOP RISC instruction instead */ #ifdef USE_RISC_NOOP #define MAX_BUFFER_PROGRAM_SIZE \ - (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_NOOP_INSTRUCTION_SIZE*4) + (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_NOOP_INSTRUCTION_SIZE*4) #endif /* Sizes of various instructions in bytes. Used when adding instructions. */ diff --git a/drivers/staging/cx25821/cx25821-core.c b/drivers/staging/cx25821/cx25821-core.c index c487c19256b9..ca1eece3df0d 100644 --- a/drivers/staging/cx25821/cx25821-core.c +++ b/drivers/staging/cx25821/cx25821-core.c @@ -42,7 +42,7 @@ static unsigned int card[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; module_param_array(card, int, NULL, 0444); MODULE_PARM_DESC(card, "card type"); -static unsigned int cx25821_devcount = 0; +static unsigned int cx25821_devcount; static DEFINE_MUTEX(devlist); LIST_HEAD(cx25821_devlist); @@ -781,14 +781,14 @@ static void cx25821_shutdown(struct cx25821_dev *dev) /* Disable Video A/B activity */ for (i = 0; i < VID_CHANNEL_NUM; i++) { - cx_write(dev->channels[i].sram_channels->dma_ctl, 0); - cx_write(dev->channels[i].sram_channels->int_msk, 0); + cx_write(dev->channels[i].sram_channels->dma_ctl, 0); + cx_write(dev->channels[i].sram_channels->int_msk, 0); } - for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J; - i++) { - cx_write(dev->channels[i].sram_channels->dma_ctl, 0); - cx_write(dev->channels[i].sram_channels->int_msk, 0); + for (i = VID_UPSTREAM_SRAM_CHANNEL_I; + i <= VID_UPSTREAM_SRAM_CHANNEL_J; i++) { + cx_write(dev->channels[i].sram_channels->dma_ctl, 0); + cx_write(dev->channels[i].sram_channels->int_msk, 0); } /* Disable Audio activity */ @@ -806,9 +806,9 @@ void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel_select, u32 format) { if (channel_select <= 7 && channel_select >= 0) { - cx_write(dev->channels[channel_select]. - sram_channels->pix_frmt, format); - dev->channels[channel_select].pixel_formats = format; + cx_write(dev->channels[channel_select]. + sram_channels->pix_frmt, format); + dev->channels[channel_select].pixel_formats = format; } } @@ -829,7 +829,7 @@ static void cx25821_initialize(struct cx25821_dev *dev) cx_write(PCI_INT_STAT, 0xffffffff); for (i = 0; i < VID_CHANNEL_NUM; i++) - cx_write(dev->channels[i].sram_channels->int_stat, 0xffffffff); + cx_write(dev->channels[i].sram_channels->int_stat, 0xffffffff); cx_write(AUD_A_INT_STAT, 0xffffffff); cx_write(AUD_B_INT_STAT, 0xffffffff); @@ -843,22 +843,22 @@ static void cx25821_initialize(struct cx25821_dev *dev) mdelay(100); for (i = 0; i < VID_CHANNEL_NUM; i++) { - cx25821_set_vip_mode(dev, dev->channels[i].sram_channels); - cx25821_sram_channel_setup(dev, dev->channels[i].sram_channels, - 1440, 0); - dev->channels[i].pixel_formats = PIXEL_FRMT_422; - dev->channels[i].use_cif_resolution = FALSE; + cx25821_set_vip_mode(dev, dev->channels[i].sram_channels); + cx25821_sram_channel_setup(dev, dev->channels[i].sram_channels, + 1440, 0); + dev->channels[i].pixel_formats = PIXEL_FRMT_422; + dev->channels[i].use_cif_resolution = FALSE; } /* Probably only affect Downstream */ - for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J; - i++) { - cx25821_set_vip_mode(dev, dev->channels[i].sram_channels); + for (i = VID_UPSTREAM_SRAM_CHANNEL_I; + i <= VID_UPSTREAM_SRAM_CHANNEL_J; i++) { + cx25821_set_vip_mode(dev, dev->channels[i].sram_channels); } - cx25821_sram_channel_setup_audio(dev, - dev->channels[SRAM_CH08].sram_channels, - 128, 0); + cx25821_sram_channel_setup_audio(dev, + dev->channels[SRAM_CH08].sram_channels, + 128, 0); cx25821_gpio_init(dev); } @@ -931,8 +931,8 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) /* Apply a sensible clock frequency for the PCIe bridge */ dev->clk_freq = 28000000; - for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) - dev->channels[i].sram_channels = &cx25821_sram_channels[i]; + for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) + dev->channels[i].sram_channels = &cx25821_sram_channels[i]; if (dev->nr > 1) CX25821_INFO("dev->nr > 1!"); @@ -1003,11 +1003,11 @@ 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__); + if (medusa_video_init(dev) < 0) + CX25821_ERR("%s() Failed to initialize medusa!\n" + , __func__); - cx25821_video_register(dev); + cx25821_video_register(dev); /* register IOCTL device */ dev->ioctl_dev = @@ -1319,7 +1319,7 @@ void cx25821_free_buffer(struct videobuf_queue *q, struct cx25821_buffer *buf) struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); BUG_ON(in_interrupt()); - videobuf_waiton(&buf->vb, 0, 0); + videobuf_waiton(q, &buf->vb, 0, 0); videobuf_dma_unmap(q->dev, dma); videobuf_dma_free(dma); btcx_riscmem_free(to_pci_dev(q->dev), &buf->risc); @@ -1342,12 +1342,12 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id) for (i = 0; i < VID_CHANNEL_NUM; i++) { if (pci_status & mask[i]) { - vid_status = cx_read(dev->channels[i]. - sram_channels->int_stat); + vid_status = cx_read(dev->channels[i]. + sram_channels->int_stat); if (vid_status) handled += - cx25821_video_irq(dev, i, vid_status); + cx25821_video_irq(dev, i, vid_status); cx_write(PCI_INT_STAT, mask[i]); } diff --git a/drivers/staging/cx25821/cx25821-i2c.c b/drivers/staging/cx25821/cx25821-i2c.c index e43572e61ece..2b14bcca6897 100644 --- a/drivers/staging/cx25821/cx25821-i2c.c +++ b/drivers/staging/cx25821/cx25821-i2c.c @@ -283,7 +283,7 @@ static struct i2c_algorithm cx25821_i2c_algo_template = { .master_xfer = i2c_xfer, .functionality = cx25821_functionality, #ifdef NEED_ALGO_CONTROL - .algo_control = dummy_algo_control, + .algo_control = dummy_algo_control, #endif }; diff --git a/drivers/staging/cx25821/cx25821-medusa-reg.h b/drivers/staging/cx25821/cx25821-medusa-reg.h index f7f33b3e7058..1c1c228352d1 100644 --- a/drivers/staging/cx25821/cx25821-medusa-reg.h +++ b/drivers/staging/cx25821/cx25821-medusa-reg.h @@ -443,13 +443,13 @@ /*****************************************************************************/ /* LUMA_CTRL register fields */ #define VDEC_A_BRITE_CTRL 0x1014 -#define VDEC_A_CNTRST_CTRL 0x1015 -#define VDEC_A_PEAK_SEL 0x1016 +#define VDEC_A_CNTRST_CTRL 0x1015 +#define VDEC_A_PEAK_SEL 0x1016 /*****************************************************************************/ /* CHROMA_CTRL register fields */ -#define VDEC_A_USAT_CTRL 0x1018 -#define VDEC_A_VSAT_CTRL 0x1019 -#define VDEC_A_HUE_CTRL 0x101A +#define VDEC_A_USAT_CTRL 0x1018 +#define VDEC_A_VSAT_CTRL 0x1019 +#define VDEC_A_HUE_CTRL 0x101A #endif diff --git a/drivers/staging/cx25821/cx25821-medusa-video.c b/drivers/staging/cx25821/cx25821-medusa-video.c index ef9f2b82a860..1e11e0ce2d0a 100644 --- a/drivers/staging/cx25821/cx25821-medusa-video.c +++ b/drivers/staging/cx25821/cx25821-medusa-video.c @@ -778,9 +778,9 @@ int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder) int medusa_video_init(struct cx25821_dev *dev) { - u32 value = 0, tmp = 0; - int ret_val = 0; - int i = 0; + u32 value = 0, tmp = 0; + int ret_val = 0; + int i = 0; mutex_lock(&dev->lock); @@ -829,7 +829,7 @@ int medusa_video_init(struct cx25821_dev *dev) /* select AFE clock to output mode */ value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp); value &= 0x83FFFFFF; - ret_val = + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, value | 0x10000000); diff --git a/drivers/staging/cx25821/cx25821-reg.h b/drivers/staging/cx25821/cx25821-reg.h index cfe0f32db377..a3fc25a4dc0b 100644 --- a/drivers/staging/cx25821/cx25821-reg.h +++ b/drivers/staging/cx25821/cx25821-reg.h @@ -163,8 +163,8 @@ #define FLD_VID_DST_RISC2 0x00000010 #define FLD_VID_SRC_RISC1 0x00000002 #define FLD_VID_DST_RISC1 0x00000001 -#define FLD_VID_SRC_ERRORS FLD_VID_SRC_OPC_ERR | FLD_VID_SRC_SYNC | FLD_VID_SRC_UF -#define FLD_VID_DST_ERRORS FLD_VID_DST_OPC_ERR | FLD_VID_DST_SYNC | FLD_VID_DST_OF +#define FLD_VID_SRC_ERRORS (FLD_VID_SRC_OPC_ERR | FLD_VID_SRC_SYNC | FLD_VID_SRC_UF) +#define FLD_VID_DST_ERRORS (FLD_VID_DST_OPC_ERR | FLD_VID_DST_SYNC | FLD_VID_DST_OF) /* ***************************************************************************** */ #define AUD_A_INT_MSK 0x0400C0 /* Audio Int interrupt mask */ diff --git a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c index d12dbb572e8b..405e2db72b0f 100644 --- a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c +++ b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c @@ -32,17 +32,17 @@ #include <linux/file.h> #include <linux/fcntl.h> #include <linux/slab.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); MODULE_LICENSE("GPL"); static int _intr_msk = - FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | FLD_VID_SRC_OPC_ERR; + FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | FLD_VID_SRC_OPC_ERR; static __le32 *cx25821_update_riscprogram_ch2(struct cx25821_dev *dev, - __le32 * rp, unsigned int offset, + __le32 *rp, unsigned int offset, unsigned int bpl, u32 sync_line, unsigned int lines, int fifo_enable, int field_type) @@ -53,9 +53,8 @@ static __le32 *cx25821_update_riscprogram_ch2(struct cx25821_dev *dev, *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); if (USE_RISC_NOOP_VIDEO) { - for (i = 0; i < NUM_NO_OPS; i++) { + for (i = 0; i < NUM_NO_OPS; i++) *(rp++) = cpu_to_le32(RISC_NOOP); - } } /* scan lines */ @@ -75,7 +74,7 @@ static __le32 *cx25821_update_riscprogram_ch2(struct cx25821_dev *dev, } static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev, - __le32 * rp, + __le32 *rp, dma_addr_t databuf_phys_addr, unsigned int offset, u32 sync_line, unsigned int bpl, @@ -88,14 +87,12 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev, int dist_betwn_starts = bpl * 2; /* sync instruction */ - if (sync_line != NO_SYNC_LINE) { + if (sync_line != NO_SYNC_LINE) *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); - } if (USE_RISC_NOOP_VIDEO) { - for (i = 0; i < NUM_NO_OPS; i++) { + for (i = 0; i < NUM_NO_OPS; i++) *(rp++) = cpu_to_le32(RISC_NOOP); - } } /* scan lines */ @@ -133,7 +130,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, { __le32 *rp; int fifo_enable = 0; - int singlefield_lines = lines >> 1; /*get line count for single field */ + int singlefield_lines = lines >> 1; /*get line count for single field */ int odd_num_lines = singlefield_lines; int frame = 0; int frame_size = 0; @@ -218,15 +215,15 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev) ("cx25821: No video file is currently running so return!\n"); return; } - /* Disable RISC interrupts */ + /* Disable RISC interrupts */ tmp = cx_read(sram_ch->int_msk); cx_write(sram_ch->int_msk, tmp & ~_intr_msk); - /* Turn OFF risc and fifo */ + /* Turn OFF risc and fifo */ tmp = cx_read(sram_ch->dma_ctl); cx_write(sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN)); - /* Clear data buffer memory */ + /* Clear data buffer memory */ if (dev->_data_buf_virt_addr_ch2) memset(dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2); @@ -250,9 +247,8 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev) void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev) { - if (dev->_is_running_ch2) { + if (dev->_is_running_ch2) cx25821_stop_upstream_video_ch2(dev); - } if (dev->_dma_virt_addr_ch2) { pci_free_consistent(dev->pci, dev->_risc_size_ch2, @@ -303,11 +299,10 @@ int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) file_offset = dev->_frame_count_ch2 * frame_size; 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); + printk("%s(): ERROR opening file(%s) with errno = %d!\n", + __func__, dev->_filename_ch2, open_errno); return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { @@ -371,8 +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__); + printk("ERROR %s(): since container_of(work_struct) FAILED!\n", + __func__); return; } @@ -398,8 +393,8 @@ 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); + printk("%s(): ERROR opening file(%s) with errno = %d!\n", + __func__, dev->_filename_ch2, open_errno); return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { @@ -450,9 +445,8 @@ int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) if (i > 0) dev->_frame_count_ch2++; - if (vfs_read_retval < line_size) { + if (vfs_read_retval < line_size) break; - } } dev->_file_status_ch2 = @@ -494,7 +488,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, return -ENOMEM; } - /* Iniitize at this address until n bytes to 0 */ + /* Iniitize at this address until n bytes to 0 */ memset(dev->_dma_virt_addr_ch2, 0, dev->_risc_size_ch2); if (dev->_data_buf_virt_addr_ch2 != NULL) { @@ -502,7 +496,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2); } - /* For Video Data buffer allocation */ + /* For Video Data buffer allocation */ dev->_data_buf_virt_addr_ch2 = pci_alloc_consistent(dev->pci, dev->upstream_databuf_size_ch2, &data_dma_addr); @@ -515,26 +509,26 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev, return -ENOMEM; } - /* Initialize at this address until n bytes to 0 */ + /* Initialize at this address until n bytes to 0 */ memset(dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2); ret = cx25821_openfile_ch2(dev, sram_ch); if (ret < 0) return ret; - /* Creating RISC programs */ + /* Creating RISC programs */ ret = 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"); + "cx25821: Failed creating Video Upstream Risc programs!\n"); goto error; } return 0; - error: + error: return ret; } @@ -542,7 +536,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, u32 status) { u32 int_msk_tmp; - struct sram_channel *channel = dev->channels[chan_num].sram_channels; + struct sram_channel *channel = dev->channels[chan_num].sram_channels; int singlefield_lines = NTSC_FIELD_HEIGHT; int line_size_in_bytes = Y422_LINE_SZ; int odd_risc_prog_size = 0; @@ -550,13 +544,13 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, __le32 *rp; if (status & FLD_VID_SRC_RISC1) { - /* We should only process one program per call */ + /* We should only process one program per call */ u32 prog_cnt = cx_read(channel->gpcnt); - /* - Since we've identified our IRQ, clear our bits from the - interrupt mask and interrupt status registers - */ + /* + * Since we've identified our IRQ, clear our bits from the + * interrupt mask and interrupt status registers + */ int_msk_tmp = cx_read(channel->int_msk); cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk); cx_write(channel->int_stat, _intr_msk); @@ -612,7 +606,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, dev->_frame_count_ch2); return -1; } - /* ElSE, set the interrupt mask register, re-enable irq. */ + /* ElSE, set the interrupt mask register, re-enable irq. */ int_msk_tmp = cx_read(channel->int_msk); cx_write(channel->int_msk, int_msk_tmp |= _intr_msk); @@ -631,24 +625,22 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id) return -1; channel_num = VID_UPSTREAM_SRAM_CHANNEL_J; - - sram_ch = dev->channels[channel_num].sram_channels; + sram_ch = dev->channels[channel_num].sram_channels; msk_stat = cx_read(sram_ch->int_mstat); vid_status = cx_read(sram_ch->int_stat); - /* Only deal with our interrupt */ + /* Only deal with our interrupt */ if (vid_status) { handled = cx25821_video_upstream_irq_ch2(dev, channel_num, vid_status); } - if (handled < 0) { + if (handled < 0) cx25821_stop_upstream_video_ch2(dev); - } else { + else handled += handled; - } return IRQ_RETVAL(handled); } @@ -667,22 +659,21 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, value |= dev->_isNTSC_ch2 ? 0 : 0x10; cx_write(ch->vid_fmt_ctl, value); - /* - set number of active pixels in each line. Default is 720 - pixels in both NTSC and PAL format - */ + /* + * set number of active pixels in each line. Default is 720 + * pixels in both NTSC and PAL format + */ cx_write(ch->vid_active_ctl1, width); num_lines = (height / 2) & 0x3FF; odd_num_lines = num_lines; - if (dev->_isNTSC_ch2) { + if (dev->_isNTSC_ch2) odd_num_lines += 1; - } value = (num_lines << 16) | odd_num_lines; - /* set number of active lines in field 0 (top) and field 1 (bottom) */ + /* set number of active lines in field 0 (top) and field 1 (bottom) */ cx_write(ch->vid_active_ctl2, value); cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3); @@ -694,27 +685,27 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev, u32 tmp = 0; int err = 0; - /* - 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface - for channel A-C - */ + /* + * 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface + * for channel A-C + */ tmp = cx_read(VID_CH_MODE_SEL); cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF); - /* - Set the physical start address of the RISC program in the initial - program counter(IPC) member of the cmds. - */ + /* + * Set the physical start address of the RISC program in the initial + * program counter(IPC) member of the cmds. + */ cx_write(sram_ch->cmds_start + 0, dev->_dma_phys_addr_ch2); - cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */ + cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */ /* reset counter */ cx_write(sram_ch->gpcnt_ctl, 3); - /* Clear our bits from the interrupt status register. */ + /* Clear our bits from the interrupt status register. */ cx_write(sram_ch->int_stat, _intr_msk); - /* Set the interrupt mask register, enable irq. */ + /* Set the interrupt mask register, enable irq. */ cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit)); tmp = cx_read(sram_ch->int_msk); cx_write(sram_ch->int_msk, tmp |= _intr_msk); @@ -727,7 +718,7 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev, dev->pci->irq); goto fail_irq; } - /* Start the DMA engine */ + /* Start the DMA engine */ tmp = cx_read(sram_ch->dma_ctl); cx_set(sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN); @@ -736,7 +727,7 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev, return 0; - fail_irq: + fail_irq: cx25821_dev_unregister(dev); return err; } @@ -758,7 +749,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, } dev->_channel2_upstream_select = channel_select; - sram_ch = dev->channels[channel_select].sram_channels; + sram_ch = dev->channels[channel_select].sram_channels; INIT_WORK(&dev->_irq_work_entry_ch2, cx25821_vidups_handler_ch2); dev->_irq_queues_ch2 = @@ -769,10 +760,10 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, ("cx25821: create_singlethread_workqueue() for Video FAILED!\n"); return -ENOMEM; } - /* - 656/VIP SRC Upstream Channel I & J and 7 - - Host Bus Interface for channel A-C - */ + /* + * 656/VIP SRC Upstream Channel I & J and 7 - + * Host Bus Interface for channel A-C + */ tmp = cx_read(VID_CH_MODE_SEL); cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF); @@ -808,7 +799,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, str_length + 1); } - /* Default if filename is empty string */ + /* Default if filename is empty string */ if (strcmp(dev->input_filename_ch2, "") == 0) { if (dev->_isNTSC_ch2) { dev->_filename_ch2 = @@ -833,7 +824,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, dev->upstream_riscbuf_size_ch2 = risc_buffer_size * 2; dev->upstream_databuf_size_ch2 = data_frame_size * 2; - /* Allocating buffers and prepare RISC program */ + /* Allocating buffers and prepare RISC program */ retval = cx25821_upstream_buffer_prepare_ch2(dev, sram_ch, dev->_line_size_ch2); @@ -848,7 +839,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, return 0; - error: + error: cx25821_dev_unregister(dev); return err; diff --git a/drivers/staging/cx25821/cx25821-video-upstream-ch2.h b/drivers/staging/cx25821/cx25821-video-upstream-ch2.h index 62340636c916..029e8305724b 100644 --- a/drivers/staging/cx25821/cx25821-video-upstream-ch2.h +++ b/drivers/staging/cx25821/cx25821-video-upstream-ch2.h @@ -88,14 +88,14 @@ #endif #ifndef USE_RISC_NOOP_VIDEO -#define PAL_US_VID_PROG_SIZE ((PAL_FIELD_HEIGHT + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE ) -#define PAL_RISC_BUF_SIZE ( 2 * (RISC_SYNC_INSTRUCTION_SIZE + PAL_US_VID_PROG_SIZE) ) +#define PAL_US_VID_PROG_SIZE ((PAL_FIELD_HEIGHT + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE) +#define PAL_RISC_BUF_SIZE (2 * (RISC_SYNC_INSTRUCTION_SIZE + PAL_US_VID_PROG_SIZE)) #define PAL_VID_PROG_SIZE ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \ - RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE ) -#define ODD_FLD_PAL_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE ) -#define ODD_FLD_NTSC_PROG_SIZE ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE ) + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE) +#define ODD_FLD_PAL_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE) +#define ODD_FLD_NTSC_PROG_SIZE ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE) #define NTSC_US_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE) -#define NTSC_RISC_BUF_SIZE (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE) ) +#define NTSC_RISC_BUF_SIZE (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE)) #define FRAME1_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \ - RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE ) + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE) #endif diff --git a/drivers/staging/cx25821/cx25821-video-upstream.c b/drivers/staging/cx25821/cx25821-video-upstream.c index 756a820a76cb..16bf74d65912 100644 --- a/drivers/staging/cx25821/cx25821-video-upstream.c +++ b/drivers/staging/cx25821/cx25821-video-upstream.c @@ -39,7 +39,7 @@ MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); MODULE_LICENSE("GPL"); static int _intr_msk = - FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | FLD_VID_SRC_OPC_ERR; + FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | FLD_VID_SRC_OPC_ERR; int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev, struct sram_channel *ch, @@ -346,13 +346,13 @@ 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 + printk(KERN_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 + printk(KERN_ERR "%s: File has no file operations registered!", __func__); filp_close(myfile, NULL); @@ -360,7 +360,7 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch) } if (!myfile->f_op->read) { - printk(KERN_ERR + printk(KERN_ERR "%s: File has no READ operations registered!", __func__); filp_close(myfile, NULL); @@ -415,7 +415,7 @@ static void cx25821_vidups_handler(struct work_struct *work) container_of(work, struct cx25821_dev, _irq_work_entry); if (!dev) { - printk(KERN_ERR + printk(KERN_ERR "ERROR %s(): since container_of(work_struct) FAILED!\n", __func__); return; @@ -448,7 +448,7 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) return PTR_ERR(myfile); } else { if (!(myfile->f_op)) { - printk(KERN_ERR + printk(KERN_ERR "%s: File has no file operations registered!", __func__); filp_close(myfile, NULL); @@ -456,7 +456,7 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) } if (!myfile->f_op->read) { - printk(KERN_ERR + printk(KERN_ERR "%s: File has no READ operations registered! \ Returning.", __func__); @@ -589,7 +589,7 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num, u32 status) { u32 int_msk_tmp; - struct sram_channel *channel = dev->channels[chan_num].sram_channels; + struct sram_channel *channel = dev->channels[chan_num].sram_channels; int singlefield_lines = NTSC_FIELD_HEIGHT; int line_size_in_bytes = Y422_LINE_SZ; int odd_risc_prog_size = 0; @@ -657,12 +657,12 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num, Interrupt!\n", __func__); if (status & FLD_VID_SRC_SYNC) - printk(KERN_ERR "%s: Video Received Sync Error \ - Interrupt!\n", __func__); + printk(KERN_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__); + printk(KERN_ERR "%s: Video Received OpCode Error \ + Interrupt!\n", __func__); } if (dev->_file_status == END_OF_FILE) { @@ -690,7 +690,7 @@ static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id) channel_num = VID_UPSTREAM_SRAM_CHANNEL_I; - sram_ch = dev->channels[channel_num].sram_channels; + sram_ch = dev->channels[channel_num].sram_channels; msk_stat = cx_read(sram_ch->int_mstat); vid_status = cx_read(sram_ch->int_stat); @@ -811,7 +811,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, } dev->_channel_upstream_select = channel_select; - sram_ch = dev->channels[channel_select].sram_channels; + sram_ch = dev->channels[channel_select].sram_channels; INIT_WORK(&dev->_irq_work_entry, cx25821_vidups_handler); dev->_irq_queues = create_singlethread_workqueue("cx25821_workqueue"); diff --git a/drivers/staging/cx25821/cx25821-video-upstream.h b/drivers/staging/cx25821/cx25821-video-upstream.h index 10dee5c24a81..f0b3ac0880ad 100644 --- a/drivers/staging/cx25821/cx25821-video-upstream.h +++ b/drivers/staging/cx25821/cx25821-video-upstream.h @@ -97,13 +97,13 @@ #define PAL_RISC_BUF_SIZE (2 * PAL_US_VID_PROG_SIZE) #define PAL_VID_PROG_SIZE ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \ - RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE ) + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE) -#define ODD_FLD_PAL_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE ) -#define ODD_FLD_NTSC_PROG_SIZE ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE ) +#define ODD_FLD_PAL_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE) +#define ODD_FLD_NTSC_PROG_SIZE ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE) #define NTSC_US_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE) -#define NTSC_RISC_BUF_SIZE ( 2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE) ) +#define NTSC_RISC_BUF_SIZE (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE)) #define FRAME1_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \ - RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE ) + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE) #endif diff --git a/drivers/staging/cx25821/cx25821-video.c b/drivers/staging/cx25821/cx25821-video.c index 1d5e8796d383..e7f1d5778cec 100644 --- a/drivers/staging/cx25821/cx25821-video.c +++ b/drivers/staging/cx25821/cx25821-video.c @@ -856,7 +856,7 @@ static int video_open(struct file *file) &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, - sizeof(struct cx25821_buffer), fh); + sizeof(struct cx25821_buffer), fh, NULL); dprintk(1, "post videobuf_queue_init()\n"); unlock_kernel(); @@ -993,6 +993,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, { struct cx25821_fh *fh = priv; struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + struct v4l2_mbus_framefmt mbus_fmt; int err; int pix_format = PIXEL_FRMT_422; @@ -1039,7 +1040,8 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); - cx25821_call_all(dev, video, s_fmt, f); + v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); + cx25821_call_all(dev, video, s_mbus_fmt, &mbus_fmt); return 0; } diff --git a/drivers/staging/cx25821/cx25821.h b/drivers/staging/cx25821/cx25821.h index 1b628f61578a..c94000125782 100644 --- a/drivers/staging/cx25821/cx25821.h +++ b/drivers/staging/cx25821/cx25821.h @@ -91,10 +91,10 @@ /* Currently supported by the driver */ #define CX25821_NORMS (\ - V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \ - V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ - V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \ - V4L2_STD_PAL_Nc ) + V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \ + V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ + V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \ + V4L2_STD_PAL_Nc) #define CX25821_BOARD_CONEXANT_ATHENA10 1 #define MAX_VID_CHANNEL_NUM 12 @@ -139,7 +139,7 @@ struct cx25821_fh { /* video capture */ struct cx25821_fmt *fmt; unsigned int width, height; - int channel_id; + int channel_id; /* vbi capture */ struct videobuf_queue vidq; @@ -238,26 +238,25 @@ struct cx25821_data { }; struct cx25821_channel { - struct v4l2_prio_state prio; + struct v4l2_prio_state prio; - int ctl_bright; - int ctl_contrast; - int ctl_hue; - int ctl_saturation; + int ctl_bright; + int ctl_contrast; + int ctl_hue; + int ctl_saturation; + struct cx25821_data timeout_data; - struct cx25821_data timeout_data; + struct video_device *video_dev; + struct cx25821_dmaqueue vidq; - struct video_device *video_dev; - struct cx25821_dmaqueue vidq; + struct sram_channel *sram_channels; - struct sram_channel *sram_channels; - - struct mutex lock; - int resources; + struct mutex lock; + int resources; - int pixel_formats; - int use_cif_resolution; - int cif_width; + int pixel_formats; + int use_cif_resolution; + int cif_width; }; struct cx25821_dev { @@ -283,7 +282,7 @@ struct cx25821_dev { int nr; struct mutex lock; - struct cx25821_channel channels[MAX_VID_CHANNEL_NUM]; + struct cx25821_channel channels[MAX_VID_CHANNEL_NUM]; /* board details */ unsigned int board; @@ -311,7 +310,7 @@ struct cx25821_dev { int _audio_lines_count; int _audioframe_count; int _audio_upstream_channel_select; - int _last_index_irq; /* The last interrupt index processed. */ + int _last_index_irq; /* The last interrupt index processed. */ __le32 *_risc_audio_jmp_addr; __le32 *_risc_virt_start_addr; @@ -443,7 +442,7 @@ static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev) } #define cx25821_call_all(dev, o, f, args...) \ - v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) + v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) extern struct list_head cx25821_devlist; extern struct cx25821_board cx25821_boards[]; @@ -491,7 +490,7 @@ struct sram_channel { u32 fld_aud_fifo_en; u32 fld_aud_risc_en; - /* For Upstream Video */ + /* For Upstream Video */ u32 vid_fmt_ctl; u32 vid_active_ctl1; u32 vid_active_ctl2; @@ -511,8 +510,8 @@ extern struct sram_channel cx25821_sram_channels[]; #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) #define cx_andor(reg, mask, value) \ - writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ - ((value) & (mask)), dev->lmmio+((reg)>>2)) + writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ + ((value) & (mask)), dev->lmmio+((reg)>>2)) #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c index fd48b38e797c..b996697e7eb2 100644 --- a/drivers/staging/dt3155v4l/dt3155v4l.c +++ b/drivers/staging/dt3155v4l/dt3155v4l.c @@ -293,7 +293,7 @@ static void dt3155_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { if (vb->state == VIDEOBUF_ACTIVE) - videobuf_waiton(vb, 0, 0); /* FIXME: cannot be interrupted */ + videobuf_waiton(q, vb, 0, 0); /* FIXME: cannot be interrupted */ videobuf_dma_contig_free(q, vb); vb->state = VIDEOBUF_NEEDS_INIT; } @@ -440,7 +440,7 @@ dt3155_open(struct file *filp) videobuf_queue_dma_contig_init(pd->vidq, &vbq_ops, &pd->pdev->dev, &pd->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, - sizeof(struct videobuf_buffer), pd); + sizeof(struct videobuf_buffer), pd, NULL); /* disable all irqs, clear all irq flags */ iowrite32(FLD_START | FLD_END_EVEN | FLD_END_ODD, pd->regs + INT_CSR); @@ -494,7 +494,7 @@ dt3155_release(struct file *filp) tmp = pd->curr_buf; spin_unlock_irqrestore(&pd->lock, flags); if (tmp) - videobuf_waiton(tmp, 0, 1); /* block, interruptible */ + videobuf_waiton(pd->vidq, tmp, 0, 1); /* block, interruptible */ dt3155_stop_acq(pd); videobuf_stop(pd->vidq); pd->acq_fp = NULL; @@ -603,7 +603,7 @@ dt3155_ioc_streamoff(struct file *filp, void *p, enum v4l2_buf_type type) tmp = pd->curr_buf; spin_unlock_irqrestore(&pd->lock, flags); if (tmp) - videobuf_waiton(tmp, 0, 1); /* block, interruptible */ + videobuf_waiton(pd->vidq, tmp, 0, 1); /* block, interruptible */ return ret; } diff --git a/drivers/staging/go7007/Kconfig b/drivers/staging/go7007/Kconfig index 75fa46805527..3aecd30f0d1e 100644 --- a/drivers/staging/go7007/Kconfig +++ b/drivers/staging/go7007/Kconfig @@ -4,7 +4,7 @@ config VIDEO_GO7007 depends on BKL # please fix depends on SND select VIDEOBUF_DMA_SG - select VIDEO_IR + depends on VIDEO_IR select VIDEO_TUNER select VIDEO_TVEEPROM select SND_PCM diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c index 372a7c6791ca..b3f42f37a313 100644 --- a/drivers/staging/go7007/go7007-driver.c +++ b/drivers/staging/go7007/go7007-driver.c @@ -194,51 +194,15 @@ int go7007_reset_encoder(struct go7007 *go) * Attempt to instantiate an I2C client by ID, probably loading a module. */ static int init_i2c_module(struct i2c_adapter *adapter, const char *type, - int id, int addr) + int addr) { struct go7007 *go = i2c_get_adapdata(adapter); struct v4l2_device *v4l2_dev = &go->v4l2_dev; - char *modname; - switch (id) { - case I2C_DRIVERID_WIS_SAA7115: - modname = "wis-saa7115"; - break; - case I2C_DRIVERID_WIS_SAA7113: - modname = "wis-saa7113"; - break; - case I2C_DRIVERID_WIS_UDA1342: - modname = "wis-uda1342"; - break; - case I2C_DRIVERID_WIS_SONY_TUNER: - modname = "wis-sony-tuner"; - break; - case I2C_DRIVERID_WIS_TW9903: - modname = "wis-tw9903"; - break; - case I2C_DRIVERID_WIS_TW2804: - modname = "wis-tw2804"; - break; - case I2C_DRIVERID_WIS_OV7640: - modname = "wis-ov7640"; - break; - case I2C_DRIVERID_S2250: - modname = "s2250"; - break; - default: - modname = NULL; - break; - } - - if (v4l2_i2c_new_subdev(v4l2_dev, adapter, modname, type, addr, NULL)) + if (v4l2_i2c_new_subdev(v4l2_dev, adapter, NULL, type, addr, NULL)) return 0; - if (modname != NULL) - printk(KERN_INFO - "go7007: probing for module %s failed\n", modname); - else - printk(KERN_INFO - "go7007: sensor %u seems to be unsupported!\n", id); + printk(KERN_INFO "go7007: probing for module i2c:%s failed\n", type); return -1; } @@ -277,7 +241,6 @@ int go7007_register_encoder(struct go7007 *go) for (i = 0; i < go->board_info->num_i2c_devs; ++i) init_i2c_module(&go->i2c_adapter, go->board_info->i2c_devs[i].type, - go->board_info->i2c_devs[i].id, go->board_info->i2c_devs[i].addr); if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) i2c_clients_command(&go->i2c_adapter, @@ -393,7 +356,8 @@ static void write_bitmap_word(struct go7007 *go) for (i = 0; i < 16; ++i) { y = (((go->parse_length - 1) << 3) + i) / (go->width >> 4); x = (((go->parse_length - 1) << 3) + i) % (go->width >> 4); - go->active_map[stride * y + (x >> 3)] |= + if (stride * y + (x >> 3) < sizeof(go->active_map)) + go->active_map[stride * y + (x >> 3)] |= (go->modet_word & 1) << (x & 0x7); go->modet_word >>= 1; } @@ -485,6 +449,15 @@ void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length) } break; case STATE_00_00_01: + if (buf[i] == 0xF8 && go->modet_enable == 0) { + /* MODET start code, but MODET not enabled */ + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, 0x01); + store_byte(go->active_buf, 0xF8); + go->state = STATE_DATA; + break; + } /* If this is the start of a new MPEG frame, * get a new buffer */ if ((go->format == GO7007_FORMAT_MPEG1 || diff --git a/drivers/staging/go7007/go7007-usb.c b/drivers/staging/go7007/go7007-usb.c index 20ed930b588c..bea9f4d5bc3c 100644 --- a/drivers/staging/go7007/go7007-usb.c +++ b/drivers/staging/go7007/go7007-usb.c @@ -394,7 +394,7 @@ static struct go7007_usb_board board_adlink_mpg24 = { .num_i2c_devs = 1, .i2c_devs = { { - .type = "wis_twTW2804", + .type = "wis_tw2804", .id = I2C_DRIVERID_WIS_TW2804, .addr = 0x00, /* yes, really */ }, diff --git a/drivers/staging/go7007/go7007-v4l2.c b/drivers/staging/go7007/go7007-v4l2.c index 46b4b9f6855b..2b27d8da70a2 100644 --- a/drivers/staging/go7007/go7007-v4l2.c +++ b/drivers/staging/go7007/go7007-v4l2.c @@ -252,23 +252,22 @@ static int set_capture_size(struct go7007 *go, struct v4l2_format *fmt, int try) go->modet_map[i] = 0; if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) { - struct v4l2_format res; + struct v4l2_mbus_framefmt mbus_fmt; - if (fmt != NULL) { - res = *fmt; - } else { - res.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - res.fmt.pix.width = width; - } + mbus_fmt.code = V4L2_MBUS_FMT_FIXED; + if (fmt != NULL) + mbus_fmt.width = fmt->fmt.pix.width; + else + mbus_fmt.width = width; if (height > sensor_height / 2) { - res.fmt.pix.height = height / 2; + mbus_fmt.height = height / 2; go->encoder_v_halve = 0; } else { - res.fmt.pix.height = height; + mbus_fmt.height = height; go->encoder_v_halve = 1; } - call_all(&go->v4l2_dev, video, s_fmt, &res); + call_all(&go->v4l2_dev, video, s_mbus_fmt, &mbus_fmt); } else { if (width <= sensor_width / 4) { go->encoder_h_halve = 1; diff --git a/drivers/staging/go7007/s2250-board.c b/drivers/staging/go7007/s2250-board.c index 93f26048e3b4..e7736a915530 100644 --- a/drivers/staging/go7007/s2250-board.c +++ b/drivers/staging/go7007/s2250-board.c @@ -23,7 +23,6 @@ #include <linux/slab.h> #include <media/v4l2-device.h> #include <media/v4l2-common.h> -#include <media/v4l2-i2c-drv.h> #include <media/v4l2-subdev.h> #include "go7007-priv.h" @@ -479,12 +478,13 @@ static int s2250_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) return 0; } -static int s2250_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt) +static int s2250_s_mbus_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *fmt) { struct s2250 *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); - if (fmt->fmt.pix.height < 640) { + if (fmt->height < 640) { write_reg_fp(client, 0x12b, state->reg12b_val | 0x400); write_reg_fp(client, 0x140, 0x060); } else { @@ -555,7 +555,7 @@ static const struct v4l2_subdev_audio_ops s2250_audio_ops = { static const struct v4l2_subdev_video_ops s2250_video_ops = { .s_routing = s2250_s_video_routing, - .s_fmt = s2250_s_fmt, + .s_mbus_fmt = s2250_s_mbus_fmt, }; static const struct v4l2_subdev_ops s2250_ops = { @@ -674,9 +674,25 @@ static const struct i2c_device_id s2250_id[] = { }; MODULE_DEVICE_TABLE(i2c, s2250_id); -static struct v4l2_i2c_driver_data v4l2_i2c_data = { - .name = "s2250", - .probe = s2250_probe, - .remove = s2250_remove, - .id_table = s2250_id, +static struct i2c_driver s2250_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "s2250", + }, + .probe = s2250_probe, + .remove = s2250_remove, + .id_table = s2250_id, }; + +static __init int init_s2250(void) +{ + return i2c_add_driver(&s2250_driver); +} + +static __exit void exit_s2250(void) +{ + i2c_del_driver(&s2250_driver); +} + +module_init(init_s2250); +module_exit(exit_s2250); diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c index 4f0cbdde2765..6bc9470fecb6 100644 --- a/drivers/staging/go7007/wis-ov7640.c +++ b/drivers/staging/go7007/wis-ov7640.c @@ -81,6 +81,7 @@ static const struct i2c_device_id wis_ov7640_id[] = { { "wis_ov7640", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, wis_ov7640_id); static struct i2c_driver wis_ov7640_driver = { .driver = { diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c index 72f5c1f56d19..05e0e1083864 100644 --- a/drivers/staging/go7007/wis-saa7113.c +++ b/drivers/staging/go7007/wis-saa7113.c @@ -308,6 +308,7 @@ static const struct i2c_device_id wis_saa7113_id[] = { { "wis_saa7113", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, wis_saa7113_id); static struct i2c_driver wis_saa7113_driver = { .driver = { diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c index cd950b61cf70..46cff59e28b7 100644 --- a/drivers/staging/go7007/wis-saa7115.c +++ b/drivers/staging/go7007/wis-saa7115.c @@ -441,6 +441,7 @@ static const struct i2c_device_id wis_saa7115_id[] = { { "wis_saa7115", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, wis_saa7115_id); static struct i2c_driver wis_saa7115_driver = { .driver = { diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c index 981c9b311b8b..8f1b7d4f6a2e 100644 --- a/drivers/staging/go7007/wis-sony-tuner.c +++ b/drivers/staging/go7007/wis-sony-tuner.c @@ -692,6 +692,7 @@ static const struct i2c_device_id wis_sony_tuner_id[] = { { "wis_sony_tuner", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, wis_sony_tuner_id); static struct i2c_driver wis_sony_tuner_driver = { .driver = { diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c index ee28a99dc388..5b218c55842a 100644 --- a/drivers/staging/go7007/wis-tw2804.c +++ b/drivers/staging/go7007/wis-tw2804.c @@ -331,6 +331,7 @@ static const struct i2c_device_id wis_tw2804_id[] = { { "wis_tw2804", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, wis_tw2804_id); static struct i2c_driver wis_tw2804_driver = { .driver = { diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c index 80d47269b1c0..9230f4a80529 100644 --- a/drivers/staging/go7007/wis-tw9903.c +++ b/drivers/staging/go7007/wis-tw9903.c @@ -313,6 +313,7 @@ static const struct i2c_device_id wis_tw9903_id[] = { { "wis_tw9903", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, wis_tw9903_id); static struct i2c_driver wis_tw9903_driver = { .driver = { diff --git a/drivers/staging/go7007/wis-uda1342.c b/drivers/staging/go7007/wis-uda1342.c index 5c4eb49d7357..0127be2f3be0 100644 --- a/drivers/staging/go7007/wis-uda1342.c +++ b/drivers/staging/go7007/wis-uda1342.c @@ -86,6 +86,7 @@ static const struct i2c_device_id wis_uda1342_id[] = { { "wis_uda1342", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, wis_uda1342_id); static struct i2c_driver wis_uda1342_driver = { .driver = { diff --git a/drivers/staging/lirc/Kconfig b/drivers/staging/lirc/Kconfig index 100c4d4b8125..fa790db75d7e 100644 --- a/drivers/staging/lirc/Kconfig +++ b/drivers/staging/lirc/Kconfig @@ -53,7 +53,7 @@ config LIRC_ITE8709 config LIRC_PARALLEL tristate "Homebrew Parallel Port Receiver" - depends on LIRC_STAGING && PARPORT && !SMP + depends on LIRC_STAGING && PARPORT help Driver for Homebrew Parallel Port Receivers diff --git a/drivers/staging/lirc/lirc_igorplugusb.c b/drivers/staging/lirc/lirc_igorplugusb.c index bce600ede263..0dc2c2b22c2b 100644 --- a/drivers/staging/lirc/lirc_igorplugusb.c +++ b/drivers/staging/lirc/lirc_igorplugusb.c @@ -54,10 +54,10 @@ /* module identification */ -#define DRIVER_VERSION "0.1" +#define DRIVER_VERSION "0.2" #define DRIVER_AUTHOR \ "Jan M. Hochstein <hochstein@algo.informatik.tu-darmstadt.de>" -#define DRIVER_DESC "USB remote driver for LIRC" +#define DRIVER_DESC "Igorplug USB remote driver for LIRC" #define DRIVER_NAME "lirc_igorplugusb" /* debugging support */ @@ -201,7 +201,6 @@ struct igorplug { /* usb */ struct usb_device *usbdev; - struct urb *urb_in; int devnum; unsigned char *buf_in; @@ -216,28 +215,36 @@ struct igorplug { /* handle sending (init strings) */ int send_flags; - wait_queue_head_t wait_out; }; static int unregister_from_lirc(struct igorplug *ir) { - struct lirc_driver *d = ir->d; + struct lirc_driver *d; int devnum; - if (!ir->d) + if (!ir) { + printk(KERN_ERR "%s: called with NULL device struct!\n", + __func__); return -EINVAL; + } devnum = ir->devnum; - dprintk(DRIVER_NAME "[%d]: unregister from lirc called\n", devnum); + d = ir->d; - lirc_unregister_driver(d->minor); + if (!d) { + printk(KERN_ERR "%s: called with NULL lirc driver struct!\n", + __func__); + return -EINVAL; + } - printk(DRIVER_NAME "[%d]: usb remote disconnected\n", devnum); + dprintk(DRIVER_NAME "[%d]: calling lirc_unregister_driver\n", devnum); + lirc_unregister_driver(d->minor); kfree(d); ir->d = NULL; kfree(ir); - return 0; + + return devnum; } static int set_use_inc(void *data) @@ -248,6 +255,7 @@ static int set_use_inc(void *data) printk(DRIVER_NAME "[?]: set_use_inc called with no context\n"); return -EIO; } + dprintk(DRIVER_NAME "[%d]: set use inc\n", ir->devnum); if (!ir->usbdev) @@ -264,9 +272,29 @@ static void set_use_dec(void *data) printk(DRIVER_NAME "[?]: set_use_dec called with no context\n"); return; } + dprintk(DRIVER_NAME "[%d]: set use dec\n", ir->devnum); } +static void send_fragment(struct igorplug *ir, struct lirc_buffer *buf, + int i, int max) +{ + int code; + + /* MODE2: pulse/space (PULSE_BIT) in 1us units */ + while (i < max) { + /* 1 Igor-tick = 85.333333 us */ + code = (unsigned int)ir->buf_in[i] * 85 + + (unsigned int)ir->buf_in[i] / 3; + ir->last_time.tv_usec += code; + if (ir->in_space) + code |= PULSE_BIT; + lirc_buffer_write(buf, (unsigned char *)&code); + /* 1 chunk = CODE_LENGTH bytes */ + ir->in_space ^= 1; + ++i; + } +} /** * Called in user context. @@ -274,41 +302,32 @@ static void set_use_dec(void *data) * -ENODATA if none was available. This should add some number of bits * evenly divisible by code_length to the buffer */ -static int usb_remote_poll(void *data, struct lirc_buffer *buf) +static int igorplugusb_remote_poll(void *data, struct lirc_buffer *buf) { int ret; struct igorplug *ir = (struct igorplug *)data; - if (!ir->usbdev) /* Has the device been removed? */ + if (!ir || !ir->usbdev) /* Has the device been removed? */ return -ENODEV; memset(ir->buf_in, 0, ir->len_in); - ret = usb_control_msg( - ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), - GET_INFRACODE, USB_TYPE_VENDOR|USB_DIR_IN, - 0/* offset */, /*unused*/0, - ir->buf_in, ir->len_in, - /*timeout*/HZ * USB_CTRL_GET_TIMEOUT); + ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), + GET_INFRACODE, USB_TYPE_VENDOR | USB_DIR_IN, + 0/* offset */, /*unused*/0, + ir->buf_in, ir->len_in, + /*timeout*/HZ * USB_CTRL_GET_TIMEOUT); if (ret > 0) { - int i = DEVICE_HEADERLEN; int code, timediff; struct timeval now; - if (ret <= 1) /* ACK packet has 1 byte --> ignore */ + /* ACK packet has 1 byte --> ignore */ + if (ret < DEVICE_HEADERLEN) return -ENODATA; dprintk(DRIVER_NAME ": Got %d bytes. Header: %02x %02x %02x\n", ret, ir->buf_in[0], ir->buf_in[1], ir->buf_in[2]); - if (ir->buf_in[2] != 0) { - printk(DRIVER_NAME "[%d]: Device buffer overrun.\n", - ir->devnum); - /* start at earliest byte */ - i = DEVICE_HEADERLEN + ir->buf_in[2]; - /* where are we now? space, gap or pulse? */ - } - do_gettimeofday(&now); timediff = now.tv_sec - ir->last_time.tv_sec; if (timediff + 1 > PULSE_MASK / 1000000) @@ -325,18 +344,20 @@ static int usb_remote_poll(void *data, struct lirc_buffer *buf) lirc_buffer_write(buf, (unsigned char *)&code); ir->in_space = 1; /* next comes a pulse */ - /* MODE2: pulse/space (PULSE_BIT) in 1us units */ - - while (i < ret) { - /* 1 Igor-tick = 85.333333 us */ - code = (unsigned int)ir->buf_in[i] * 85 - + (unsigned int)ir->buf_in[i] / 3; - if (ir->in_space) - code |= PULSE_BIT; - lirc_buffer_write(buf, (unsigned char *)&code); - /* 1 chunk = CODE_LENGTH bytes */ - ir->in_space ^= 1; - ++i; + if (ir->buf_in[2] == 0) + send_fragment(ir, buf, DEVICE_HEADERLEN, ret); + else { + printk(KERN_WARNING DRIVER_NAME + "[%d]: Device buffer overrun.\n", ir->devnum); + /* HHHNNNNNNNNNNNOOOOOOOO H = header + <---[2]---> N = newer + <---------ret--------> O = older */ + ir->buf_in[2] %= ret - DEVICE_HEADERLEN; /* sanitize */ + /* keep even-ness to not desync pulse/pause */ + send_fragment(ir, buf, DEVICE_HEADERLEN + + ir->buf_in[2] - (ir->buf_in[2] & 1), ret); + send_fragment(ir, buf, DEVICE_HEADERLEN, + DEVICE_HEADERLEN + ir->buf_in[2]); } ret = usb_control_msg( @@ -358,12 +379,12 @@ static int usb_remote_poll(void *data, struct lirc_buffer *buf) -static int usb_remote_probe(struct usb_interface *intf, - const struct usb_device_id *id) +static int igorplugusb_remote_probe(struct usb_interface *intf, + const struct usb_device_id *id) { struct usb_device *dev = NULL; struct usb_host_interface *idesc = NULL; - struct usb_host_endpoint *ep_ctl2; + struct usb_endpoint_descriptor *ep; struct igorplug *ir = NULL; struct lirc_driver *driver = NULL; int devnum, pipe, maxp; @@ -380,20 +401,21 @@ static int usb_remote_probe(struct usb_interface *intf, if (idesc->desc.bNumEndpoints != 1) return -ENODEV; - ep_ctl2 = idesc->endpoint; - if (((ep_ctl2->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) + + ep = &idesc->endpoint->desc; + if (((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN) - || (ep_ctl2->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) + || (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_CONTROL) return -ENODEV; - pipe = usb_rcvctrlpipe(dev, ep_ctl2->desc.bEndpointAddress); + + pipe = usb_rcvctrlpipe(dev, ep->bEndpointAddress); devnum = dev->devnum; maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); - dprintk(DRIVER_NAME "[%d]: bytes_in_key=%lu maxp=%d\n", + dprintk(DRIVER_NAME "[%d]: bytes_in_key=%zu maxp=%d\n", devnum, CODE_LENGTH, maxp); - mem_failure = 0; ir = kzalloc(sizeof(struct igorplug), GFP_KERNEL); if (!ir) { @@ -406,9 +428,8 @@ static int usb_remote_probe(struct usb_interface *intf, goto mem_failure_switch; } - ir->buf_in = usb_alloc_coherent(dev, - DEVICE_BUFLEN+DEVICE_HEADERLEN, - GFP_ATOMIC, &ir->dma_in); + ir->buf_in = usb_alloc_coherent(dev, DEVICE_BUFLEN + DEVICE_HEADERLEN, + GFP_ATOMIC, &ir->dma_in); if (!ir->buf_in) { mem_failure = 3; goto mem_failure_switch; @@ -424,12 +445,10 @@ static int usb_remote_probe(struct usb_interface *intf, driver->set_use_inc = &set_use_inc; driver->set_use_dec = &set_use_dec; driver->sample_rate = sample_rate; /* per second */ - driver->add_to_buf = &usb_remote_poll; + driver->add_to_buf = &igorplugusb_remote_poll; driver->dev = &intf->dev; driver->owner = THIS_MODULE; - init_waitqueue_head(&ir->wait_out); - minor = lirc_register_driver(driver); if (minor < 0) mem_failure = 9; @@ -438,7 +457,7 @@ mem_failure_switch: switch (mem_failure) { case 9: - usb_free_coherent(dev, DEVICE_BUFLEN+DEVICE_HEADERLEN, + usb_free_coherent(dev, DEVICE_BUFLEN + DEVICE_HEADERLEN, ir->buf_in, ir->dma_in); case 3: kfree(driver); @@ -454,7 +473,7 @@ mem_failure_switch: ir->d = driver; ir->devnum = devnum; ir->usbdev = dev; - ir->len_in = DEVICE_BUFLEN+DEVICE_HEADERLEN; + ir->len_in = DEVICE_BUFLEN + DEVICE_HEADERLEN; ir->in_space = 1; /* First mode2 event is a space. */ do_gettimeofday(&ir->last_time); @@ -484,63 +503,64 @@ mem_failure_switch: } -static void usb_remote_disconnect(struct usb_interface *intf) +static void igorplugusb_remote_disconnect(struct usb_interface *intf) { - struct usb_device *dev = interface_to_usbdev(intf); + struct usb_device *usbdev = interface_to_usbdev(intf); struct igorplug *ir = usb_get_intfdata(intf); + struct device *dev = &intf->dev; + int devnum; + usb_set_intfdata(intf, NULL); if (!ir || !ir->d) return; ir->usbdev = NULL; - wake_up_all(&ir->wait_out); - usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in); + usb_free_coherent(usbdev, ir->len_in, ir->buf_in, ir->dma_in); + + devnum = unregister_from_lirc(ir); - unregister_from_lirc(ir); + dev_info(dev, DRIVER_NAME "[%d]: %s done\n", devnum, __func__); } -static struct usb_device_id usb_remote_id_table[] = { +static struct usb_device_id igorplugusb_remote_id_table[] = { /* Igor Plug USB (Atmel's Manufact. ID) */ { USB_DEVICE(0x03eb, 0x0002) }, + /* Fit PC2 Infrared Adapter */ + { USB_DEVICE(0x03eb, 0x21fe) }, /* Terminating entry */ { } }; -static struct usb_driver usb_remote_driver = { +static struct usb_driver igorplugusb_remote_driver = { .name = DRIVER_NAME, - .probe = usb_remote_probe, - .disconnect = usb_remote_disconnect, - .id_table = usb_remote_id_table + .probe = igorplugusb_remote_probe, + .disconnect = igorplugusb_remote_disconnect, + .id_table = igorplugusb_remote_id_table }; -static int __init usb_remote_init(void) +static int __init igorplugusb_remote_init(void) { - int i; + int ret = 0; - printk(KERN_INFO "\n" - DRIVER_NAME ": " DRIVER_DESC " v" DRIVER_VERSION "\n"); - printk(DRIVER_NAME ": " DRIVER_AUTHOR "\n"); - dprintk(DRIVER_NAME ": debug mode enabled\n"); + dprintk(DRIVER_NAME ": loaded, debug mode enabled\n"); - i = usb_register(&usb_remote_driver); - if (i < 0) { - printk(DRIVER_NAME ": usb register failed, result = %d\n", i); - return -ENODEV; - } + ret = usb_register(&igorplugusb_remote_driver); + if (ret) + printk(KERN_ERR DRIVER_NAME ": usb register failed!\n"); - return 0; + return ret; } -static void __exit usb_remote_exit(void) +static void __exit igorplugusb_remote_exit(void) { - usb_deregister(&usb_remote_driver); + usb_deregister(&igorplugusb_remote_driver); } -module_init(usb_remote_init); -module_exit(usb_remote_exit); +module_init(igorplugusb_remote_init); +module_exit(igorplugusb_remote_exit); #include <linux/vermagic.h> MODULE_INFO(vermagic, VERMAGIC_STRING); @@ -548,8 +568,10 @@ MODULE_INFO(vermagic, VERMAGIC_STRING); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(usb, usb_remote_id_table); +MODULE_DEVICE_TABLE(usb, igorplugusb_remote_id_table); module_param(sample_rate, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(sample_rate, "Sampling rate in Hz (default: 100)"); +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug enabled or not"); diff --git a/drivers/staging/lirc/lirc_it87.c b/drivers/staging/lirc/lirc_it87.c index 543c5c3bf907..929ae5795467 100644 --- a/drivers/staging/lirc/lirc_it87.c +++ b/drivers/staging/lirc/lirc_it87.c @@ -239,8 +239,7 @@ static ssize_t lirc_write(struct file *file, const char *buf, static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { int retval = 0; - unsigned long value = 0; - unsigned int ivalue; + __u32 value = 0; unsigned long hw_flags; if (cmd == LIRC_GET_FEATURES) @@ -256,24 +255,24 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) case LIRC_GET_FEATURES: case LIRC_GET_SEND_MODE: case LIRC_GET_REC_MODE: - retval = put_user(value, (unsigned long *) arg); + retval = put_user(value, (__u32 *) arg); break; case LIRC_SET_SEND_MODE: case LIRC_SET_REC_MODE: - retval = get_user(value, (unsigned long *) arg); + retval = get_user(value, (__u32 *) arg); break; case LIRC_SET_SEND_CARRIER: - retval = get_user(ivalue, (unsigned int *) arg); + retval = get_user(value, (__u32 *) arg); if (retval) return retval; - ivalue /= 1000; - if (ivalue > IT87_CIR_FREQ_MAX || - ivalue < IT87_CIR_FREQ_MIN) + value /= 1000; + if (value > IT87_CIR_FREQ_MAX || + value < IT87_CIR_FREQ_MIN) return -EINVAL; - it87_freq = ivalue; + it87_freq = value; spin_lock_irqsave(&hardware_lock, hw_flags); outb(((inb(io + IT87_CIR_TCR2) & IT87_CIR_TCR2_TXMPW) | @@ -340,6 +339,9 @@ static const struct file_operations lirc_fops = { .write = lirc_write, .poll = lirc_poll, .unlocked_ioctl = lirc_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = lirc_ioctl, +#endif .open = lirc_open, .release = lirc_close, .llseek = noop_llseek, @@ -964,10 +966,11 @@ static void __exit lirc_it87_exit(void) printk(KERN_INFO LIRC_DRIVER_NAME ": Uninstalled.\n"); } -/* SECTION: PNP for ITE8704/18 */ +/* SECTION: PNP for ITE8704/13/18 */ static const struct pnp_device_id pnp_dev_table[] = { {"ITE8704", 0}, + {"ITE8713", 0}, {} }; diff --git a/drivers/staging/lirc/lirc_ite8709.c b/drivers/staging/lirc/lirc_ite8709.c index 9352f45bbece..cb20cfdcfadd 100644 --- a/drivers/staging/lirc/lirc_ite8709.c +++ b/drivers/staging/lirc/lirc_ite8709.c @@ -102,8 +102,8 @@ struct ite8709_device { int io; int irq; spinlock_t hardware_lock; - unsigned long long acc_pulse; - unsigned long long acc_space; + __u64 acc_pulse; + __u64 acc_space; char lastbit; struct timeval last_tv; struct lirc_driver driver; @@ -220,7 +220,7 @@ static void ite8709_set_use_dec(void *data) } static void ite8709_add_read_queue(struct ite8709_device *dev, int flag, - unsigned long long val) + __u64 val) { int value; diff --git a/drivers/staging/lirc/lirc_parallel.c b/drivers/staging/lirc/lirc_parallel.c index 6da4a8c6ebc3..884904c782d1 100644 --- a/drivers/staging/lirc/lirc_parallel.c +++ b/drivers/staging/lirc/lirc_parallel.c @@ -24,10 +24,6 @@ /*** Includes ***/ -#ifdef CONFIG_SMP -#error "--- Sorry, this driver is not SMP safe. ---" -#endif - #include <linux/module.h> #include <linux/sched.h> #include <linux/errno.h> @@ -301,9 +297,9 @@ static void irq_handler(void *blah) if (signal != 0) { /* ajust value to usecs */ - unsigned long long helper; + __u64 helper; - helper = ((unsigned long long) signal)*1000000; + helper = ((__u64) signal)*1000000; do_div(helper, timer); signal = (long) helper; @@ -404,9 +400,9 @@ static ssize_t lirc_write(struct file *filep, const char *buf, size_t n, /* adjust values from usecs */ for (i = 0; i < count; i++) { - unsigned long long helper; + __u64 helper; - helper = ((unsigned long long) wbuf[i])*timer; + helper = ((__u64) wbuf[i])*timer; do_div(helper, 1000000); wbuf[i] = (int) helper; } @@ -464,48 +460,48 @@ static unsigned int lirc_poll(struct file *file, poll_table *wait) static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { int result; - unsigned long features = LIRC_CAN_SET_TRANSMITTER_MASK | - LIRC_CAN_SEND_PULSE | LIRC_CAN_REC_MODE2; - unsigned long mode; - unsigned int ivalue; + __u32 features = LIRC_CAN_SET_TRANSMITTER_MASK | + LIRC_CAN_SEND_PULSE | LIRC_CAN_REC_MODE2; + __u32 mode; + __u32 value; switch (cmd) { case LIRC_GET_FEATURES: - result = put_user(features, (unsigned long *) arg); + result = put_user(features, (__u32 *) arg); if (result) return result; break; case LIRC_GET_SEND_MODE: - result = put_user(LIRC_MODE_PULSE, (unsigned long *) arg); + result = put_user(LIRC_MODE_PULSE, (__u32 *) arg); if (result) return result; break; case LIRC_GET_REC_MODE: - result = put_user(LIRC_MODE_MODE2, (unsigned long *) arg); + result = put_user(LIRC_MODE_MODE2, (__u32 *) arg); if (result) return result; break; case LIRC_SET_SEND_MODE: - result = get_user(mode, (unsigned long *) arg); + result = get_user(mode, (__u32 *) arg); if (result) return result; if (mode != LIRC_MODE_PULSE) return -EINVAL; break; case LIRC_SET_REC_MODE: - result = get_user(mode, (unsigned long *) arg); + result = get_user(mode, (__u32 *) arg); if (result) return result; if (mode != LIRC_MODE_MODE2) return -ENOSYS; break; case LIRC_SET_TRANSMITTER_MASK: - result = get_user(ivalue, (unsigned int *) arg); + result = get_user(value, (__u32 *) arg); if (result) return result; - if ((ivalue & LIRC_PARALLEL_TRANSMITTER_MASK) != ivalue) + if ((value & LIRC_PARALLEL_TRANSMITTER_MASK) != value) return LIRC_PARALLEL_MAX_TRANSMITTERS; - tx_mask = ivalue; + tx_mask = value; break; default: return -ENOIOCTLCMD; @@ -546,6 +542,9 @@ static const struct file_operations lirc_fops = { .write = lirc_write, .poll = lirc_poll, .unlocked_ioctl = lirc_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = lirc_ioctl, +#endif .open = lirc_open, .release = lirc_close }; @@ -576,28 +575,6 @@ static struct lirc_driver driver = { static int pf(void *handle); static void kf(void *handle); -static struct timer_list poll_timer; -static void poll_state(unsigned long ignored); - -static void poll_state(unsigned long ignored) -{ - printk(KERN_NOTICE "%s: time\n", - LIRC_DRIVER_NAME); - del_timer(&poll_timer); - if (is_claimed) - return; - kf(NULL); - if (!is_claimed) { - printk(KERN_NOTICE "%s: could not claim port, giving up\n", - LIRC_DRIVER_NAME); - init_timer(&poll_timer); - poll_timer.expires = jiffies + HZ; - poll_timer.data = (unsigned long)current; - poll_timer.function = poll_state; - add_timer(&poll_timer); - } -} - static int pf(void *handle) { parport_disable_irq(pport); diff --git a/drivers/staging/lirc/lirc_serial.c b/drivers/staging/lirc/lirc_serial.c index 8da382492612..971844bbee28 100644 --- a/drivers/staging/lirc/lirc_serial.c +++ b/drivers/staging/lirc/lirc_serial.c @@ -372,7 +372,7 @@ static unsigned long conv_us_to_clocks; static int init_timing_params(unsigned int new_duty_cycle, unsigned int new_freq) { - unsigned long long loops_per_sec, work; + __u64 loops_per_sec, work; duty_cycle = new_duty_cycle; freq = new_freq; @@ -987,8 +987,7 @@ static ssize_t lirc_write(struct file *file, const char *buf, static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { int result; - unsigned long value; - unsigned int ivalue; + __u32 value; switch (cmd) { case LIRC_GET_SEND_MODE: @@ -997,7 +996,7 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) result = put_user(LIRC_SEND2MODE (hardware[type].features&LIRC_CAN_SEND_MASK), - (unsigned long *) arg); + (__u32 *) arg); if (result) return result; break; @@ -1006,7 +1005,7 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) if (!(hardware[type].features&LIRC_CAN_SEND_MASK)) return -ENOIOCTLCMD; - result = get_user(value, (unsigned long *) arg); + result = get_user(value, (__u32 *) arg); if (result) return result; /* only LIRC_MODE_PULSE supported */ @@ -1023,12 +1022,12 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) if (!(hardware[type].features&LIRC_CAN_SET_SEND_DUTY_CYCLE)) return -ENOIOCTLCMD; - result = get_user(ivalue, (unsigned int *) arg); + result = get_user(value, (__u32 *) arg); if (result) return result; - if (ivalue <= 0 || ivalue > 100) + if (value <= 0 || value > 100) return -EINVAL; - return init_timing_params(ivalue, freq); + return init_timing_params(value, freq); break; case LIRC_SET_SEND_CARRIER: @@ -1036,12 +1035,12 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) if (!(hardware[type].features&LIRC_CAN_SET_SEND_CARRIER)) return -ENOIOCTLCMD; - result = get_user(ivalue, (unsigned int *) arg); + result = get_user(value, (__u32 *) arg); if (result) return result; - if (ivalue > 500000 || ivalue < 20000) + if (value > 500000 || value < 20000) return -EINVAL; - return init_timing_params(duty_cycle, ivalue); + return init_timing_params(duty_cycle, value); break; default: @@ -1054,6 +1053,9 @@ static const struct file_operations lirc_fops = { .owner = THIS_MODULE, .write = lirc_write, .unlocked_ioctl = lirc_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = lirc_ioctl, +#endif .read = lirc_dev_fop_read, .poll = lirc_dev_fop_poll, .open = lirc_dev_fop_open, diff --git a/drivers/staging/lirc/lirc_sir.c b/drivers/staging/lirc/lirc_sir.c index 2478871bd95e..c553ab626238 100644 --- a/drivers/staging/lirc/lirc_sir.c +++ b/drivers/staging/lirc/lirc_sir.c @@ -336,9 +336,8 @@ static ssize_t lirc_write(struct file *file, const char *buf, size_t n, static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { int retval = 0; - unsigned long value = 0; + __u32 value = 0; #ifdef LIRC_ON_SA1100 - unsigned int ivalue; if (cmd == LIRC_GET_FEATURES) value = LIRC_CAN_SEND_PULSE | @@ -362,22 +361,22 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) case LIRC_GET_FEATURES: case LIRC_GET_SEND_MODE: case LIRC_GET_REC_MODE: - retval = put_user(value, (unsigned long *) arg); + retval = put_user(value, (__u32 *) arg); break; case LIRC_SET_SEND_MODE: case LIRC_SET_REC_MODE: - retval = get_user(value, (unsigned long *) arg); + retval = get_user(value, (__u32 *) arg); break; #ifdef LIRC_ON_SA1100 case LIRC_SET_SEND_DUTY_CYCLE: - retval = get_user(ivalue, (unsigned int *) arg); + retval = get_user(value, (__u32 *) arg); if (retval) return retval; - if (ivalue <= 0 || ivalue > 100) + if (value <= 0 || value > 100) return -EINVAL; - /* (ivalue/100)*(1000000/freq) */ - duty_cycle = ivalue; + /* (value/100)*(1000000/freq) */ + duty_cycle = value; pulse_width = (unsigned long) duty_cycle*10000/freq; space_width = (unsigned long) 1000000L/freq-pulse_width; if (pulse_width >= LIRC_ON_SA1100_TRANSMITTER_LATENCY) @@ -386,12 +385,12 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) space_width -= LIRC_ON_SA1100_TRANSMITTER_LATENCY; break; case LIRC_SET_SEND_CARRIER: - retval = get_user(ivalue, (unsigned int *) arg); + retval = get_user(value, (__u32 *) arg); if (retval) return retval; - if (ivalue > 500000 || ivalue < 20000) + if (value > 500000 || value < 20000) return -EINVAL; - freq = ivalue; + freq = value; pulse_width = (unsigned long) duty_cycle*10000/freq; space_width = (unsigned long) 1000000L/freq-pulse_width; if (pulse_width >= LIRC_ON_SA1100_TRANSMITTER_LATENCY) @@ -457,6 +456,9 @@ static const struct file_operations lirc_fops = { .write = lirc_write, .poll = lirc_poll, .unlocked_ioctl = lirc_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = lirc_ioctl, +#endif .open = lirc_dev_fop_open, .release = lirc_dev_fop_close, .llseek = no_llseek, diff --git a/drivers/staging/lirc/lirc_zilog.c b/drivers/staging/lirc/lirc_zilog.c index 100caab10451..d92064498523 100644 --- a/drivers/staging/lirc/lirc_zilog.c +++ b/drivers/staging/lirc/lirc_zilog.c @@ -1139,6 +1139,9 @@ static const struct file_operations lirc_fops = { .write = write, .poll = poll, .unlocked_ioctl = ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = ioctl, +#endif .open = open, .release = close }; diff --git a/drivers/staging/stradis/Kconfig b/drivers/staging/stradis/Kconfig new file mode 100644 index 000000000000..92e891141896 --- /dev/null +++ b/drivers/staging/stradis/Kconfig @@ -0,0 +1,7 @@ +config VIDEO_STRADIS + tristate "Stradis 4:2:2 MPEG-2 video driver (DEPRECATED)" + depends on EXPERIMENTAL && PCI && VIDEO_V4L1 && VIRT_TO_BUS + 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 new file mode 100644 index 000000000000..0f1feab59e39 --- /dev/null +++ b/drivers/staging/stradis/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_VIDEO_STRADIS) += stradis.o + +EXTRA_CFLAGS += -Idrivers/media/video diff --git a/drivers/staging/stradis/TODO b/drivers/staging/stradis/TODO new file mode 100644 index 000000000000..f48150fe2fa9 --- /dev/null +++ b/drivers/staging/stradis/TODO @@ -0,0 +1,6 @@ +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 new file mode 100644 index 000000000000..a057824e7ebc --- /dev/null +++ b/drivers/staging/stradis/stradis.c @@ -0,0 +1,2213 @@ +/* + * 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; + 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; + 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; + 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; + 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; + 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) { + 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 errio; + } + + return 0; +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/TODO b/drivers/staging/tm6000/TODO new file mode 100644 index 000000000000..34780fc17b16 --- /dev/null +++ b/drivers/staging/tm6000/TODO @@ -0,0 +1,6 @@ +There a few things to do before putting this driver in production: + - CodingStyle; + - Fix audio; + - Fix some panic/OOPS conditions. + +Please send patches to linux-media@vger.kernel.org diff --git a/drivers/staging/tm6000/tm6000-alsa.c b/drivers/staging/tm6000/tm6000-alsa.c index 087137d9164d..e379e3ec4442 100644 --- a/drivers/staging/tm6000/tm6000-alsa.c +++ b/drivers/staging/tm6000/tm6000-alsa.c @@ -160,15 +160,15 @@ static struct snd_pcm_hardware snd_tm6000_digital_hw = { SNDRV_PCM_INFO_MMAP_VALID, .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_48000, + .rates = SNDRV_PCM_RATE_CONTINUOUS, .rate_min = 48000, .rate_max = 48000, .channels_min = 2, .channels_max = 2, - .period_bytes_min = 62720, - .period_bytes_max = 62720, + .period_bytes_min = 64, + .period_bytes_max = 12544, .periods_min = 1, - .periods_max = 1024, + .periods_max = 98, .buffer_bytes_max = 62720 * 8, }; @@ -201,6 +201,14 @@ _error: */ static int snd_tm6000_close(struct snd_pcm_substream *substream) { + struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream); + struct tm6000_core *core = chip->core; + + if (atomic_read(&core->stream_started) > 0) { + atomic_set(&core->stream_started, 0); + schedule_work(&core->wq_trigger); + } + return 0; } @@ -211,38 +219,67 @@ static int tm6000_fillbuf(struct tm6000_core *core, char *buf, int size) struct snd_pcm_runtime *runtime; int period_elapsed = 0; unsigned int stride, buf_pos; + int length; + + if (atomic_read(&core->stream_started) == 0) + return 0; - if (!size || !substream) + if (!size || !substream) { + dprintk(1, "substream was NULL\n"); return -EINVAL; + } runtime = substream->runtime; - if (!runtime || !runtime->dma_area) + if (!runtime || !runtime->dma_area) { + dprintk(1, "runtime was NULL\n"); return -EINVAL; + } buf_pos = chip->buf_pos; stride = runtime->frame_bits >> 3; + if (stride == 0) { + dprintk(1, "stride is zero\n"); + return -EINVAL; + } + + length = size / stride; + if (length == 0) { + dprintk(1, "%s: length was zero\n", __func__); + return -EINVAL; + } + dprintk(1, "Copying %d bytes at %p[%d] - buf size=%d x %d\n", size, runtime->dma_area, buf_pos, (unsigned int)runtime->buffer_size, stride); - if (buf_pos + size >= runtime->buffer_size * stride) { - unsigned int cnt = runtime->buffer_size * stride - buf_pos; - memcpy(runtime->dma_area + buf_pos, buf, cnt); - memcpy(runtime->dma_area, buf + cnt, size - cnt); + if (buf_pos + length >= runtime->buffer_size) { + unsigned int cnt = runtime->buffer_size - buf_pos; + memcpy(runtime->dma_area + buf_pos * stride, buf, cnt * stride); + memcpy(runtime->dma_area, buf + cnt * stride, + length * stride - cnt * stride); } else - memcpy(runtime->dma_area + buf_pos, buf, size); + memcpy(runtime->dma_area + buf_pos * stride, buf, + length * stride); - chip->buf_pos += size; - if (chip->buf_pos >= runtime->buffer_size * stride) - chip->buf_pos -= runtime->buffer_size * stride; +#ifndef NO_PCM_LOCK + snd_pcm_stream_lock(substream); +#endif - chip->period_pos += size; + chip->buf_pos += length; + if (chip->buf_pos >= runtime->buffer_size) + chip->buf_pos -= runtime->buffer_size; + + chip->period_pos += length; if (chip->period_pos >= runtime->period_size) { chip->period_pos -= runtime->period_size; period_elapsed = 1; } +#ifndef NO_PCM_LOCK + snd_pcm_stream_unlock(substream); +#endif + if (period_elapsed) snd_pcm_period_elapsed(substream); @@ -272,8 +309,12 @@ static int snd_tm6000_hw_params(struct snd_pcm_substream *substream, static int snd_tm6000_hw_free(struct snd_pcm_substream *substream) { struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream); + struct tm6000_core *core = chip->core; - _tm6000_stop_audio_dma(chip); + if (atomic_read(&core->stream_started) > 0) { + atomic_set(&core->stream_started, 0); + schedule_work(&core->wq_trigger); + } return 0; } @@ -295,30 +336,42 @@ static int snd_tm6000_prepare(struct snd_pcm_substream *substream) /* * trigger callback */ +static void audio_trigger(struct work_struct *work) +{ + struct tm6000_core *core = container_of(work, struct tm6000_core, + wq_trigger); + struct snd_tm6000_card *chip = core->adev; + + if (atomic_read(&core->stream_started)) { + dprintk(1, "starting capture"); + _tm6000_start_audio_dma(chip); + } else { + dprintk(1, "stopping capture"); + _tm6000_stop_audio_dma(chip); + } +} + static int snd_tm6000_card_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream); - int err; - - spin_lock(&chip->reg_lock); + struct tm6000_core *core = chip->core; + int err = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: - err = _tm6000_start_audio_dma(chip); + atomic_set(&core->stream_started, 1); break; case SNDRV_PCM_TRIGGER_STOP: - err = _tm6000_stop_audio_dma(chip); + atomic_set(&core->stream_started, 0); break; default: err = -EINVAL; break; } - - spin_unlock(&chip->reg_lock); + schedule_work(&core->wq_trigger); return err; } - /* * pointer callback */ @@ -411,6 +464,7 @@ int tm6000_audio_init(struct tm6000_core *dev) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_tm6000_pcm_ops); + INIT_WORK(&dev->wq_trigger, audio_trigger); rc = snd_card_register(card); if (rc < 0) goto error; diff --git a/drivers/staging/tm6000/tm6000-cards.c b/drivers/staging/tm6000/tm6000-cards.c index 9d091c34991b..664e6038090d 100644 --- a/drivers/staging/tm6000/tm6000-cards.c +++ b/drivers/staging/tm6000/tm6000-cards.c @@ -1,20 +1,20 @@ /* - tm6000-cards.c - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.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 version 2 - - 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. + * tm6000-cards.c - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.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 version 2 + * + * 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/init.h> @@ -349,7 +349,7 @@ int tm6000_xc5000_callback(void *ptr, int component, int command, int arg) dev->gpio.tuner_reset, 0x01); break; } - return (rc); + return rc; } EXPORT_SYMBOL_GPL(tm6000_xc5000_callback); @@ -545,7 +545,7 @@ static void tm6000_config_tuner(struct tm6000_core *dev) /* Load tuner module */ v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, - "tuner", "tuner", dev->tuner_addr, NULL); + NULL, "tuner", dev->tuner_addr, NULL); memset(&tun_setup, 0, sizeof(tun_setup)); tun_setup.type = dev->tuner_type; @@ -683,7 +683,7 @@ static int tm6000_init_dev(struct tm6000_core *dev) if (dev->caps.has_tda9874) v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, - "tvaudio", "tvaudio", I2C_ADDR_TDA9874, NULL); + NULL, "tvaudio", I2C_ADDR_TDA9874, NULL); /* register and initialize V4L2 */ rc = tm6000_v4l2_register(dev); @@ -909,8 +909,6 @@ static void tm6000_usb_disconnect(struct usb_interface *interface) printk(KERN_INFO "tm6000: disconnecting %s\n", dev->name); - mutex_lock(&dev->lock); - tm6000_ir_fini(dev); if (dev->gpio.power_led) { @@ -945,7 +943,6 @@ static void tm6000_usb_disconnect(struct usb_interface *interface) tm6000_close_extension(dev); tm6000_remove_from_devlist(dev); - mutex_unlock(&dev->lock); kfree(dev); } diff --git a/drivers/staging/tm6000/tm6000-core.c b/drivers/staging/tm6000/tm6000-core.c index cded411d8bba..df3f187959b9 100644 --- a/drivers/staging/tm6000/tm6000-core.c +++ b/drivers/staging/tm6000/tm6000-core.c @@ -1,23 +1,23 @@ /* - tm6000-core.c - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> - - Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> - - DVB-T support - - 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 version 2 - - 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. + * tm6000-core.c - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> + * + * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> + * - DVB-T support + * + * 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 version 2 + * + * 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> @@ -30,14 +30,13 @@ #include <media/v4l2-common.h> #include <media/tuner.h> -#define USB_TIMEOUT 5*HZ /* ms */ +#define USB_TIMEOUT (5 * HZ) /* ms */ int tm6000_read_write_usb(struct tm6000_core *dev, u8 req_type, u8 req, u16 value, u16 index, u8 *buf, u16 len) { int ret, i; unsigned int pipe; - static int ini = 0, last = 0, n = 0; u8 *data = NULL; if (len) @@ -52,19 +51,12 @@ int tm6000_read_write_usb(struct tm6000_core *dev, u8 req_type, u8 req, } if (tm6000_debug & V4L2_DEBUG_I2C) { - if (!ini) - last = ini = jiffies; - - printk("%06i (dev %p, pipe %08x): ", n, dev->udev, pipe); + printk("(dev %p, pipe %08x): ", dev->udev, pipe); - printk("%s: %06u ms %06u ms %02x %02x %02x %02x %02x %02x %02x %02x ", + printk("%s: %02x %02x %02x %02x %02x %02x %02x %02x ", (req_type & USB_DIR_IN) ? " IN" : "OUT", - jiffies_to_msecs(jiffies-last), - jiffies_to_msecs(jiffies-ini), req_type, req, value&0xff, value>>8, index&0xff, index>>8, len&0xff, len>>8); - last = jiffies; - n++; if (!(req_type & USB_DIR_IN)) { printk(">>> "); @@ -186,21 +178,17 @@ void tm6000_set_fourcc_format(struct tm6000_core *dev) } } -int tm6000_init_analog_mode(struct tm6000_core *dev) +static void tm6000_set_vbi(struct tm6000_core *dev) { - if (dev->dev_type == TM6010) { - int val; + /* + * FIXME: + * VBI lines and start/end are different between 60Hz and 50Hz + * So, it is very likely that we need to change the config to + * something that takes it into account, doing something different + * if (dev->norm & V4L2_STD_525_60) + */ - /* Enable video */ - val = tm6000_get_reg(dev, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0); - val |= 0x60; - tm6000_set_reg(dev, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, val); - val = tm6000_get_reg(dev, - TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, 0); - val &= ~0x40; - tm6000_set_reg(dev, TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, val); - - /* Init teletext */ + if (dev->dev_type == TM6010) { tm6000_set_reg(dev, TM6010_REQ07_R3F_RESET, 0x01); tm6000_set_reg(dev, TM6010_REQ07_R41_TELETEXT_VBI_CODE1, 0x27); tm6000_set_reg(dev, TM6010_REQ07_R42_VBI_DATA_HIGH_LEVEL, 0x55); @@ -249,44 +237,26 @@ int tm6000_init_analog_mode(struct tm6000_core *dev) tm6000_set_reg(dev, TM6010_REQ07_R5B_VBI_TELETEXT_DTO0, 0x4c); tm6000_set_reg(dev, TM6010_REQ07_R40_TELETEXT_VBI_CODE0, 0x01); tm6000_set_reg(dev, TM6010_REQ07_R3F_RESET, 0x00); + } +} +int tm6000_init_analog_mode(struct tm6000_core *dev) +{ + struct v4l2_frequency f; + + if (dev->dev_type == TM6010) { + int val; + + /* Enable video */ + val = tm6000_get_reg(dev, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0); + val |= 0x60; + tm6000_set_reg(dev, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, val); + val = tm6000_get_reg(dev, + TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, 0); + val &= ~0x40; + tm6000_set_reg(dev, TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, val); - /* Init audio */ - tm6000_set_reg(dev, TM6010_REQ08_R01_A_INIT, 0x00); - tm6000_set_reg(dev, TM6010_REQ08_R02_A_FIX_GAIN_CTRL, 0x04); - tm6000_set_reg(dev, TM6010_REQ08_R03_A_AUTO_GAIN_CTRL, 0x00); - tm6000_set_reg(dev, TM6010_REQ08_R04_A_SIF_AMP_CTRL, 0xa0); - tm6000_set_reg(dev, TM6010_REQ08_R05_A_STANDARD_MOD, 0x05); - tm6000_set_reg(dev, TM6010_REQ08_R06_A_SOUND_MOD, 0x06); - tm6000_set_reg(dev, TM6010_REQ08_R07_A_LEFT_VOL, 0x00); - tm6000_set_reg(dev, TM6010_REQ08_R08_A_RIGHT_VOL, 0x00); - tm6000_set_reg(dev, TM6010_REQ08_R09_A_MAIN_VOL, 0x08); - tm6000_set_reg(dev, TM6010_REQ08_R0A_A_I2S_MOD, 0x91); - tm6000_set_reg(dev, TM6010_REQ08_R0B_A_ASD_THRES1, 0x20); - tm6000_set_reg(dev, TM6010_REQ08_R0C_A_ASD_THRES2, 0x12); - tm6000_set_reg(dev, TM6010_REQ08_R0D_A_AMD_THRES, 0x20); - tm6000_set_reg(dev, TM6010_REQ08_R0E_A_MONO_THRES1, 0xf0); - tm6000_set_reg(dev, TM6010_REQ08_R0F_A_MONO_THRES2, 0x80); - tm6000_set_reg(dev, TM6010_REQ08_R10_A_MUTE_THRES1, 0xc0); - tm6000_set_reg(dev, TM6010_REQ08_R11_A_MUTE_THRES2, 0x80); - tm6000_set_reg(dev, TM6010_REQ08_R12_A_AGC_U, 0x12); - tm6000_set_reg(dev, TM6010_REQ08_R13_A_AGC_ERR_T, 0xfe); - tm6000_set_reg(dev, TM6010_REQ08_R14_A_AGC_GAIN_INIT, 0x20); - tm6000_set_reg(dev, TM6010_REQ08_R15_A_AGC_STEP_THR, 0x14); - tm6000_set_reg(dev, TM6010_REQ08_R16_A_AGC_GAIN_MAX, 0xfe); - tm6000_set_reg(dev, TM6010_REQ08_R17_A_AGC_GAIN_MIN, 0x01); - tm6000_set_reg(dev, TM6010_REQ08_R18_A_TR_CTRL, 0xa0); - tm6000_set_reg(dev, TM6010_REQ08_R19_A_FH_2FH_GAIN, 0x32); - tm6000_set_reg(dev, TM6010_REQ08_R1A_A_NICAM_SER_MAX, 0x64); - tm6000_set_reg(dev, TM6010_REQ08_R1B_A_NICAM_SER_MIN, 0x20); - tm6000_set_reg(dev, REQ_08_SET_GET_AVREG_BIT, 0x1c, 0x00); - tm6000_set_reg(dev, REQ_08_SET_GET_AVREG_BIT, 0x1d, 0x00); - tm6000_set_reg(dev, TM6010_REQ08_R1E_A_GAIN_DEEMPH_OUT, 0x13); - tm6000_set_reg(dev, TM6010_REQ08_R1F_A_TEST_INTF_SEL, 0x00); - tm6000_set_reg(dev, TM6010_REQ08_R20_A_TEST_PIN_SEL, 0x00); - tm6000_set_reg(dev, TM6010_REQ08_RE4_ADC_IN2_SEL, 0xf3); - tm6000_set_reg(dev, TM6010_REQ08_R06_A_SOUND_MOD, 0x00); - tm6000_set_reg(dev, TM6010_REQ08_R01_A_INIT, 0x80); + tm6000_set_reg(dev, TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfc); } else { /* Enables soft reset */ @@ -325,15 +295,22 @@ int tm6000_init_analog_mode(struct tm6000_core *dev) /* Tuner firmware can now be loaded */ - /*FIXME: Hack!!! */ - struct v4l2_frequency f; - mutex_lock(&dev->lock); + /* + * FIXME: This is a hack! xc3028 "sleeps" when no channel is detected + * for more than a few seconds. Not sure why, as this behavior does + * not happen on other devices with xc3028. So, I suspect that it + * is yet another bug at tm6000. After start sleeping, decoding + * doesn't start automatically. Instead, it requires some + * I2C commands to wake it up. As we want to have image at the + * beginning, we needed to add this hack. The better would be to + * discover some way to make tm6000 to wake up without this hack. + */ f.frequency = dev->freq; v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); - mutex_unlock(&dev->lock); msleep(100); tm6000_set_standard(dev, &dev->norm); + tm6000_set_vbi(dev); tm6000_set_audio_bitrate(dev, 48000); /* switch dvb led off */ @@ -361,7 +338,6 @@ int tm6000_init_digital_mode(struct tm6000_core *dev) tm6000_set_reg(dev, TM6010_REQ07_RFE_POWER_DOWN, 0x28); tm6000_set_reg(dev, TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xfc); tm6000_set_reg(dev, TM6010_REQ08_RE6_POWER_DOWN_CTRL2, 0xff); - tm6000_set_reg(dev, TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfe); tm6000_read_write_usb(dev, 0xc0, 0x0e, 0x00c2, 0x0008, buf, 2); printk(KERN_INFO"buf %#x %#x\n", buf[0], buf[1]); } else { @@ -660,7 +636,6 @@ void tm6000_add_into_devlist(struct tm6000_core *dev) */ static LIST_HEAD(tm6000_extension_devlist); -static DEFINE_MUTEX(tm6000_extension_devlist_lock); int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type, char *buf, int size) @@ -684,14 +659,12 @@ int tm6000_register_extension(struct tm6000_ops *ops) struct tm6000_core *dev = NULL; mutex_lock(&tm6000_devlist_mutex); - mutex_lock(&tm6000_extension_devlist_lock); list_add_tail(&ops->next, &tm6000_extension_devlist); list_for_each_entry(dev, &tm6000_devlist, devlist) { ops->init(dev); printk(KERN_INFO "%s: Initialized (%s) extension\n", dev->name, ops->name); } - mutex_unlock(&tm6000_extension_devlist_lock); mutex_unlock(&tm6000_devlist_mutex); return 0; } @@ -707,10 +680,8 @@ void tm6000_unregister_extension(struct tm6000_ops *ops) ops->fini(dev); } - mutex_lock(&tm6000_extension_devlist_lock); printk(KERN_INFO "tm6000: Remove (%s) extension\n", ops->name); list_del(&ops->next); - mutex_unlock(&tm6000_extension_devlist_lock); mutex_unlock(&tm6000_devlist_mutex); } EXPORT_SYMBOL(tm6000_unregister_extension); @@ -719,26 +690,26 @@ void tm6000_init_extension(struct tm6000_core *dev) { struct tm6000_ops *ops = NULL; - mutex_lock(&tm6000_extension_devlist_lock); + mutex_lock(&tm6000_devlist_mutex); if (!list_empty(&tm6000_extension_devlist)) { list_for_each_entry(ops, &tm6000_extension_devlist, next) { if (ops->init) ops->init(dev); } } - mutex_unlock(&tm6000_extension_devlist_lock); + mutex_unlock(&tm6000_devlist_mutex); } void tm6000_close_extension(struct tm6000_core *dev) { struct tm6000_ops *ops = NULL; - mutex_lock(&tm6000_extension_devlist_lock); + mutex_lock(&tm6000_devlist_mutex); if (!list_empty(&tm6000_extension_devlist)) { list_for_each_entry(ops, &tm6000_extension_devlist, next) { if (ops->fini) ops->fini(dev); } } - mutex_unlock(&tm6000_extension_devlist_lock); + mutex_lock(&tm6000_devlist_mutex); } diff --git a/drivers/staging/tm6000/tm6000-dvb.c b/drivers/staging/tm6000/tm6000-dvb.c index f501edccf9c4..ff04c89e45a3 100644 --- a/drivers/staging/tm6000/tm6000-dvb.c +++ b/drivers/staging/tm6000/tm6000-dvb.c @@ -1,20 +1,20 @@ /* - tm6000-dvb.c - dvb-t support for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.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 version 2 - - 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. + * tm6000-dvb.c - dvb-t support for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.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 version 2 + * + * 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> diff --git a/drivers/staging/tm6000/tm6000-i2c.c b/drivers/staging/tm6000/tm6000-i2c.c index 79bc67f0311f..3e46866dd279 100644 --- a/drivers/staging/tm6000/tm6000-i2c.c +++ b/drivers/staging/tm6000/tm6000-i2c.c @@ -1,23 +1,23 @@ /* - tm6000-i2c.c - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> - - Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> - - Fix SMBus Read Byte command - - 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 version 2 - - 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. + * tm6000-i2c.c - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> + * + * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> + * - Fix SMBus Read Byte command + * + * 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 version 2 + * + * 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> @@ -32,11 +32,9 @@ #include "tuner-xc2028.h" -/*FIXME: Hack to avoid needing to patch i2c-id.h */ -#define I2C_HW_B_TM6000 I2C_HW_B_EM28XX /* ----------------------------------------------------------- */ -static unsigned int i2c_debug = 0; +static unsigned int i2c_debug; module_param(i2c_debug, int, 0644); MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]"); @@ -324,7 +322,6 @@ static struct i2c_adapter tm6000_adap_template = { .owner = THIS_MODULE, .class = I2C_CLASS_TV_ANALOG | I2C_CLASS_TV_DIGITAL, .name = "tm6000", - .id = I2C_HW_B_TM6000, .algo = &tm6000_algo, }; diff --git a/drivers/staging/tm6000/tm6000-input.c b/drivers/staging/tm6000/tm6000-input.c index 54f7667cc706..6022caaa739b 100644 --- a/drivers/staging/tm6000/tm6000-input.c +++ b/drivers/staging/tm6000/tm6000-input.c @@ -1,20 +1,20 @@ /* - tm6000-input.c - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2010 Stefan Ringel <stefan.ringel@arcor.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 version 2 - - 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. + * tm6000-input.c - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2010 Stefan Ringel <stefan.ringel@arcor.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 version 2 + * + * 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> @@ -36,7 +36,7 @@ MODULE_PARM_DESC(ir_debug, "enable debug message [IR]"); static unsigned int enable_ir = 1; module_param(enable_ir, int, 0644); -MODULE_PARM_DESC(enable_ir, "enable ir (default is enable"); +MODULE_PARM_DESC(enable_ir, "enable ir (default is enable)"); #undef dprintk diff --git a/drivers/staging/tm6000/tm6000-regs.h b/drivers/staging/tm6000/tm6000-regs.h index 1c5289c971fa..1f0ced8fa20f 100644 --- a/drivers/staging/tm6000/tm6000-regs.h +++ b/drivers/staging/tm6000/tm6000-regs.h @@ -1,20 +1,20 @@ /* - tm6000-regs.h - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.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 version 2 - - 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. + * tm6000-regs.h - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.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 version 2 + * + * 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. */ /* diff --git a/drivers/staging/tm6000/tm6000-stds.c b/drivers/staging/tm6000/tm6000-stds.c index 6bf4a73b320d..cc7b8664fc20 100644 --- a/drivers/staging/tm6000/tm6000-stds.c +++ b/drivers/staging/tm6000/tm6000-stds.c @@ -1,20 +1,20 @@ /* - tm6000-stds.c - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2007 Mauro Carvalho Chehab <mchehab@redhat.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 version 2 - - 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. + * tm6000-stds.c - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2007 Mauro Carvalho Chehab <mchehab@redhat.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 version 2 + * + * 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> @@ -28,21 +28,37 @@ struct tm6000_reg_settings { unsigned char value; }; +enum tm6000_audio_std { + BG_NICAM, + BTSC, + BG_A2, + DK_NICAM, + EIAJ, + FM_RADIO, + I_NICAM, + KOREA_A2, + L_NICAM, +}; + struct tm6000_std_tv_settings { v4l2_std_id id; + enum tm6000_audio_std audio_default_std; + struct tm6000_reg_settings sif[12]; struct tm6000_reg_settings nosif[12]; - struct tm6000_reg_settings common[25]; + struct tm6000_reg_settings common[26]; }; struct tm6000_std_settings { v4l2_std_id id; + enum tm6000_audio_std audio_default_std; struct tm6000_reg_settings common[37]; }; static struct tm6000_std_tv_settings tv_stds[] = { { .id = V4L2_STD_PAL_M, + .audio_default_std = BTSC, .sif = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf2}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf8}, @@ -96,11 +112,14 @@ static struct tm6000_std_tv_settings tv_stds[] = { {TM6010_REQ07_R04_LUMA_HAGC_CONTROL, 0xdc}, {TM6010_REQ07_R0D_CHROMA_KILL_LEVEL, 0x07}, + {TM6010_REQ07_R3F_RESET, 0x00}, + {0, 0, 0}, }, }, { .id = V4L2_STD_PAL_Nc, + .audio_default_std = BTSC, .sif = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf2}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf8}, @@ -154,11 +173,14 @@ static struct tm6000_std_tv_settings tv_stds[] = { {TM6010_REQ07_R04_LUMA_HAGC_CONTROL, 0xdc}, {TM6010_REQ07_R0D_CHROMA_KILL_LEVEL, 0x07}, + {TM6010_REQ07_R3F_RESET, 0x00}, + {0, 0, 0}, }, }, { .id = V4L2_STD_PAL, + .audio_default_std = BG_A2, .sif = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf2}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf8}, @@ -212,11 +234,73 @@ static struct tm6000_std_tv_settings tv_stds[] = { {TM6010_REQ07_R04_LUMA_HAGC_CONTROL, 0xdc}, {TM6010_REQ07_R0D_CHROMA_KILL_LEVEL, 0x07}, + {TM6010_REQ07_R3F_RESET, 0x00}, + {0, 0, 0}, }, }, { - .id = V4L2_STD_SECAM, + .id = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G, + .audio_default_std = BG_NICAM, + .sif = { + {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf2}, + {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf8}, + {TM6010_REQ08_RE4_ADC_IN2_SEL, 0xf3}, + {TM6010_REQ08_RE6_POWER_DOWN_CTRL2, 0x08}, + {TM6010_REQ08_REA_BUFF_DRV_CTRL, 0xf1}, + {TM6010_REQ08_REB_SIF_GAIN_CTRL, 0xe0}, + {TM6010_REQ08_REC_REVERSE_YC_CTRL, 0xc2}, + {TM6010_REQ08_RED_GAIN_SEL, 0xe8}, + {TM6010_REQ08_RF0_DAUDIO_INPUT_CONFIG, 0x62}, + {TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfe}, + {TM6010_REQ07_RFE_POWER_DOWN, 0xcb}, + {0, 0, 0}, + }, + .nosif = { + {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, + {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf8}, + {TM6010_REQ08_RE4_ADC_IN2_SEL, 0xf3}, + {TM6010_REQ08_RE6_POWER_DOWN_CTRL2, 0x0f}, + {TM6010_REQ08_REA_BUFF_DRV_CTRL, 0xf1}, + {TM6010_REQ08_REB_SIF_GAIN_CTRL, 0xe0}, + {TM6010_REQ08_REC_REVERSE_YC_CTRL, 0xc2}, + {TM6010_REQ08_RED_GAIN_SEL, 0xe8}, + {TM6010_REQ08_RF0_DAUDIO_INPUT_CONFIG, 0x60}, + {TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfc}, + {TM6010_REQ07_RFE_POWER_DOWN, 0x8b}, + {0, 0, 0}, + }, + .common = { + {TM6010_REQ07_R3F_RESET, 0x01}, + {TM6010_REQ07_R00_VIDEO_CONTROL0, 0x38}, + {TM6010_REQ07_R01_VIDEO_CONTROL1, 0x0e}, + {TM6010_REQ07_R02_VIDEO_CONTROL2, 0x5f}, + {TM6010_REQ07_R03_YC_SEP_CONTROL, 0x02}, + {TM6010_REQ07_R07_OUTPUT_CONTROL, 0x31}, + {TM6010_REQ07_R18_CHROMA_DTO_INCREMENT3, 0x24}, + {TM6010_REQ07_R19_CHROMA_DTO_INCREMENT2, 0x92}, + {TM6010_REQ07_R1A_CHROMA_DTO_INCREMENT1, 0xe8}, + {TM6010_REQ07_R1B_CHROMA_DTO_INCREMENT0, 0xed}, + {TM6010_REQ07_R1C_HSYNC_DTO_INCREMENT3, 0x1c}, + {TM6010_REQ07_R1D_HSYNC_DTO_INCREMENT2, 0xcc}, + {TM6010_REQ07_R1E_HSYNC_DTO_INCREMENT1, 0xcc}, + {TM6010_REQ07_R1F_HSYNC_DTO_INCREMENT0, 0xcd}, + {TM6010_REQ07_R2E_ACTIVE_VIDEO_HSTART, 0x8c}, + {TM6010_REQ07_R30_ACTIVE_VIDEO_VSTART, 0x2c}, + {TM6010_REQ07_R31_ACTIVE_VIDEO_VHIGHT, 0xc1}, + {TM6010_REQ07_R33_VSYNC_HLOCK_MAX, 0x2c}, + {TM6010_REQ07_R35_VSYNC_AGC_MAX, 0x18}, + {TM6010_REQ07_R82_COMB_FILTER_CONFIG, 0x42}, + {TM6010_REQ07_R83_CHROMA_LOCK_CONFIG, 0xFF}, + + {TM6010_REQ07_R0D_CHROMA_KILL_LEVEL, 0x07}, + + {TM6010_REQ07_R3F_RESET, 0x00}, + {0, 0, 0}, + }, + }, { + .id = V4L2_STD_SECAM_DK, + .audio_default_std = DK_NICAM, .sif = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf2}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf8}, @@ -269,11 +353,13 @@ static struct tm6000_std_tv_settings tv_stds[] = { {TM6010_REQ07_R83_CHROMA_LOCK_CONFIG, 0xFF}, {TM6010_REQ07_R0D_CHROMA_KILL_LEVEL, 0x07}, + {TM6010_REQ07_R3F_RESET, 0x00}, {0, 0, 0}, }, }, { .id = V4L2_STD_NTSC, + .audio_default_std = BTSC, .sif = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf2}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf8}, @@ -327,7 +413,9 @@ static struct tm6000_std_tv_settings tv_stds[] = { {TM6010_REQ07_R04_LUMA_HAGC_CONTROL, 0xdd}, {TM6010_REQ07_R0D_CHROMA_KILL_LEVEL, 0x07}, + {TM6010_REQ07_R3F_RESET, 0x00}, + {0, 0, 0}, }, }, @@ -336,6 +424,7 @@ static struct tm6000_std_tv_settings tv_stds[] = { static struct tm6000_std_settings composite_stds[] = { { .id = V4L2_STD_PAL_M, + .audio_default_std = BTSC, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf4}, @@ -378,6 +467,7 @@ static struct tm6000_std_settings composite_stds[] = { }, }, { .id = V4L2_STD_PAL_Nc, + .audio_default_std = BTSC, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf4}, @@ -420,6 +510,7 @@ static struct tm6000_std_settings composite_stds[] = { }, }, { .id = V4L2_STD_PAL, + .audio_default_std = BG_A2, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf4}, @@ -462,6 +553,49 @@ static struct tm6000_std_settings composite_stds[] = { }, }, { .id = V4L2_STD_SECAM, + .audio_default_std = BG_NICAM, + .common = { + {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, + {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf4}, + {TM6010_REQ08_RE4_ADC_IN2_SEL, 0xf3}, + {TM6010_REQ08_RE6_POWER_DOWN_CTRL2, 0x0f}, + {TM6010_REQ08_REA_BUFF_DRV_CTRL, 0xf1}, + {TM6010_REQ08_REB_SIF_GAIN_CTRL, 0xe0}, + {TM6010_REQ08_REC_REVERSE_YC_CTRL, 0xc2}, + {TM6010_REQ08_RED_GAIN_SEL, 0xe8}, + {TM6010_REQ08_RF0_DAUDIO_INPUT_CONFIG, 0x68}, + {TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfc}, + {TM6010_REQ07_RFE_POWER_DOWN, 0x8b}, + + {TM6010_REQ07_R3F_RESET, 0x01}, + {TM6010_REQ07_R00_VIDEO_CONTROL0, 0x38}, + {TM6010_REQ07_R01_VIDEO_CONTROL1, 0x0e}, + {TM6010_REQ07_R02_VIDEO_CONTROL2, 0x5f}, + {TM6010_REQ07_R03_YC_SEP_CONTROL, 0x02}, + {TM6010_REQ07_R07_OUTPUT_CONTROL, 0x31}, + {TM6010_REQ07_R18_CHROMA_DTO_INCREMENT3, 0x24}, + {TM6010_REQ07_R19_CHROMA_DTO_INCREMENT2, 0x92}, + {TM6010_REQ07_R1A_CHROMA_DTO_INCREMENT1, 0xe8}, + {TM6010_REQ07_R1B_CHROMA_DTO_INCREMENT0, 0xed}, + {TM6010_REQ07_R1C_HSYNC_DTO_INCREMENT3, 0x1c}, + {TM6010_REQ07_R1D_HSYNC_DTO_INCREMENT2, 0xcc}, + {TM6010_REQ07_R1E_HSYNC_DTO_INCREMENT1, 0xcc}, + {TM6010_REQ07_R1F_HSYNC_DTO_INCREMENT0, 0xcd}, + {TM6010_REQ07_R2E_ACTIVE_VIDEO_HSTART, 0x8c}, + {TM6010_REQ07_R30_ACTIVE_VIDEO_VSTART, 0x2c}, + {TM6010_REQ07_R31_ACTIVE_VIDEO_VHIGHT, 0xc1}, + {TM6010_REQ07_R33_VSYNC_HLOCK_MAX, 0x2c}, + {TM6010_REQ07_R35_VSYNC_AGC_MAX, 0x18}, + {TM6010_REQ07_R82_COMB_FILTER_CONFIG, 0x42}, + {TM6010_REQ07_R83_CHROMA_LOCK_CONFIG, 0xFF}, + + {TM6010_REQ07_R0D_CHROMA_KILL_LEVEL, 0x07}, + {TM6010_REQ07_R3F_RESET, 0x00}, + {0, 0, 0}, + }, + }, { + .id = V4L2_STD_SECAM_DK, + .audio_default_std = DK_NICAM, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf4}, @@ -503,6 +637,7 @@ static struct tm6000_std_settings composite_stds[] = { }, }, { .id = V4L2_STD_NTSC, + .audio_default_std = BTSC, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xf4}, @@ -549,6 +684,7 @@ static struct tm6000_std_settings composite_stds[] = { static struct tm6000_std_settings svideo_stds[] = { { .id = V4L2_STD_PAL_M, + .audio_default_std = BTSC, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xfc}, @@ -591,6 +727,7 @@ static struct tm6000_std_settings svideo_stds[] = { }, }, { .id = V4L2_STD_PAL_Nc, + .audio_default_std = BTSC, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xfc}, @@ -633,6 +770,7 @@ static struct tm6000_std_settings svideo_stds[] = { }, }, { .id = V4L2_STD_PAL, + .audio_default_std = BG_A2, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xfc}, @@ -675,6 +813,49 @@ static struct tm6000_std_settings svideo_stds[] = { }, }, { .id = V4L2_STD_SECAM, + .audio_default_std = BG_NICAM, + .common = { + {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, + {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xfc}, + {TM6010_REQ08_RE4_ADC_IN2_SEL, 0xf8}, + {TM6010_REQ08_RE6_POWER_DOWN_CTRL2, 0x00}, + {TM6010_REQ08_REA_BUFF_DRV_CTRL, 0xf2}, + {TM6010_REQ08_REB_SIF_GAIN_CTRL, 0xf0}, + {TM6010_REQ08_REC_REVERSE_YC_CTRL, 0xc2}, + {TM6010_REQ08_RED_GAIN_SEL, 0xe0}, + {TM6010_REQ08_RF0_DAUDIO_INPUT_CONFIG, 0x68}, + {TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfc}, + {TM6010_REQ07_RFE_POWER_DOWN, 0x8a}, + + {TM6010_REQ07_R3F_RESET, 0x01}, + {TM6010_REQ07_R00_VIDEO_CONTROL0, 0x39}, + {TM6010_REQ07_R01_VIDEO_CONTROL1, 0x0e}, + {TM6010_REQ07_R02_VIDEO_CONTROL2, 0x5f}, + {TM6010_REQ07_R03_YC_SEP_CONTROL, 0x03}, + {TM6010_REQ07_R07_OUTPUT_CONTROL, 0x31}, + {TM6010_REQ07_R18_CHROMA_DTO_INCREMENT3, 0x24}, + {TM6010_REQ07_R19_CHROMA_DTO_INCREMENT2, 0x92}, + {TM6010_REQ07_R1A_CHROMA_DTO_INCREMENT1, 0xe8}, + {TM6010_REQ07_R1B_CHROMA_DTO_INCREMENT0, 0xed}, + {TM6010_REQ07_R1C_HSYNC_DTO_INCREMENT3, 0x1c}, + {TM6010_REQ07_R1D_HSYNC_DTO_INCREMENT2, 0xcc}, + {TM6010_REQ07_R1E_HSYNC_DTO_INCREMENT1, 0xcc}, + {TM6010_REQ07_R1F_HSYNC_DTO_INCREMENT0, 0xcd}, + {TM6010_REQ07_R2E_ACTIVE_VIDEO_HSTART, 0x8c}, + {TM6010_REQ07_R30_ACTIVE_VIDEO_VSTART, 0x2a}, + {TM6010_REQ07_R31_ACTIVE_VIDEO_VHIGHT, 0xc1}, + {TM6010_REQ07_R33_VSYNC_HLOCK_MAX, 0x2c}, + {TM6010_REQ07_R35_VSYNC_AGC_MAX, 0x18}, + {TM6010_REQ07_R82_COMB_FILTER_CONFIG, 0x42}, + {TM6010_REQ07_R83_CHROMA_LOCK_CONFIG, 0xFF}, + + {TM6010_REQ07_R0D_CHROMA_KILL_LEVEL, 0x07}, + {TM6010_REQ07_R3F_RESET, 0x00}, + {0, 0, 0}, + }, + }, { + .id = V4L2_STD_SECAM_DK, + .audio_default_std = DK_NICAM, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xfc}, @@ -716,6 +897,7 @@ static struct tm6000_std_settings svideo_stds[] = { }, }, { .id = V4L2_STD_NTSC, + .audio_default_std = BTSC, .common = { {TM6010_REQ08_RE2_POWER_DOWN_CTRL1, 0xf0}, {TM6010_REQ08_RE3_ADC_IN1_SEL, 0xfc}, @@ -760,6 +942,133 @@ static struct tm6000_std_settings svideo_stds[] = { }, }; + +static int tm6000_set_audio_std(struct tm6000_core *dev, + enum tm6000_audio_std std) +{ + uint8_t areg_02 = 0x04; /* GC1 Fixed gain 0dB */ + uint8_t areg_05 = 0x09; /* Auto 4.5 = M Japan, Auto 6.5 = DK */ + uint8_t areg_06 = 0x02; /* Auto de-emphasis, mannual channel mode */ + uint8_t mono_flag = 0; /* No mono */ + uint8_t nicam_flag = 0; /* No NICAM */ + + switch (std) { +#if 0 + case DK_MONO: + mono_flag = 1; + break; + case DK_A2_1: + break; + case DK_A2_3: + areg_05 = 0x0b; + break; + case BG_MONO: + mono_flag = 1; + areg_05 = 0x05; + break; +#endif + case BG_NICAM: + areg_05 = 0x07; + nicam_flag = 1; + break; + case BTSC: + areg_05 = 0x02; + break; + case BG_A2: + areg_05 = 0x05; + break; + case DK_NICAM: + areg_05 = 0x06; + nicam_flag = 1; + break; + case EIAJ: + areg_05 = 0x02; + break; + case FM_RADIO: + tm6000_set_reg(dev, TM6010_REQ08_R01_A_INIT, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R02_A_FIX_GAIN_CTRL, 0x04); + tm6000_set_reg(dev, TM6010_REQ08_R03_A_AUTO_GAIN_CTRL, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R05_A_STANDARD_MOD, 0x0c); + tm6000_set_reg(dev, TM6010_REQ08_R06_A_SOUND_MOD, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R09_A_MAIN_VOL, 0x18); + tm6000_set_reg(dev, TM6010_REQ08_R0A_A_I2S_MOD, 0x91); + tm6000_set_reg(dev, TM6010_REQ08_R16_A_AGC_GAIN_MAX, 0xfe); + tm6000_set_reg(dev, TM6010_REQ08_R17_A_AGC_GAIN_MIN, 0x01); + tm6000_set_reg(dev, TM6010_REQ08_R1E_A_GAIN_DEEMPH_OUT, 0x13); + tm6000_set_reg(dev, TM6010_REQ08_R01_A_INIT, 0x80); + return 0; + break; + case I_NICAM: + areg_05 = 0x08; + nicam_flag = 1; + break; + case KOREA_A2: + areg_05 = 0x04; + break; + case L_NICAM: + areg_02 = 0x02; /* GC1 Fixed gain +12dB */ + areg_05 = 0x0a; + nicam_flag = 1; + break; + } + +#if 0 + switch (tv_audio_mode) { + case TV_MONO: + areg_06 = (nicam_flag) ? 0x03 : 0x00; + break; + case TV_LANG_A: + areg_06 = 0x00; + break; + case TV_LANG_B: + areg_06 = 0x01; + break; + } +#endif + + if (mono_flag) + areg_06 = 0x00; + + tm6000_set_reg(dev, TM6010_REQ08_R01_A_INIT, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R02_A_FIX_GAIN_CTRL, areg_02); + tm6000_set_reg(dev, TM6010_REQ08_R03_A_AUTO_GAIN_CTRL, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R04_A_SIF_AMP_CTRL, 0xa0); + tm6000_set_reg(dev, TM6010_REQ08_R05_A_STANDARD_MOD, areg_05); + tm6000_set_reg(dev, TM6010_REQ08_R06_A_SOUND_MOD, areg_06); + tm6000_set_reg(dev, TM6010_REQ08_R07_A_LEFT_VOL, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R08_A_RIGHT_VOL, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R09_A_MAIN_VOL, 0x08); + tm6000_set_reg(dev, TM6010_REQ08_R0A_A_I2S_MOD, 0x91); + tm6000_set_reg(dev, TM6010_REQ08_R0B_A_ASD_THRES1, 0x20); + tm6000_set_reg(dev, TM6010_REQ08_R0C_A_ASD_THRES2, 0x12); + tm6000_set_reg(dev, TM6010_REQ08_R0D_A_AMD_THRES, 0x20); + tm6000_set_reg(dev, TM6010_REQ08_R0E_A_MONO_THRES1, 0xf0); + tm6000_set_reg(dev, TM6010_REQ08_R0F_A_MONO_THRES2, 0x80); + tm6000_set_reg(dev, TM6010_REQ08_R10_A_MUTE_THRES1, 0xc0); + tm6000_set_reg(dev, TM6010_REQ08_R11_A_MUTE_THRES2, 0x80); + tm6000_set_reg(dev, TM6010_REQ08_R12_A_AGC_U, 0x12); + tm6000_set_reg(dev, TM6010_REQ08_R13_A_AGC_ERR_T, 0xfe); + tm6000_set_reg(dev, TM6010_REQ08_R14_A_AGC_GAIN_INIT, 0x20); + tm6000_set_reg(dev, TM6010_REQ08_R15_A_AGC_STEP_THR, 0x14); + tm6000_set_reg(dev, TM6010_REQ08_R16_A_AGC_GAIN_MAX, 0xfe); + tm6000_set_reg(dev, TM6010_REQ08_R17_A_AGC_GAIN_MIN, 0x01); + tm6000_set_reg(dev, TM6010_REQ08_R18_A_TR_CTRL, 0xa0); + tm6000_set_reg(dev, TM6010_REQ08_R19_A_FH_2FH_GAIN, 0x32); + tm6000_set_reg(dev, TM6010_REQ08_R1A_A_NICAM_SER_MAX, 0x64); + tm6000_set_reg(dev, TM6010_REQ08_R1B_A_NICAM_SER_MIN, 0x20); + tm6000_set_reg(dev, REQ_08_SET_GET_AVREG_BIT, 0x1c, 0x00); + tm6000_set_reg(dev, REQ_08_SET_GET_AVREG_BIT, 0x1d, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R1E_A_GAIN_DEEMPH_OUT, 0x13); + tm6000_set_reg(dev, TM6010_REQ08_R1F_A_TEST_INTF_SEL, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_R20_A_TEST_PIN_SEL, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_RE4_ADC_IN2_SEL, 0xf3); + tm6000_set_reg(dev, TM6010_REQ08_R06_A_SOUND_MOD, 0x00); + tm6000_set_reg(dev, TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfc); + tm6000_set_reg(dev, TM6010_REQ08_R01_A_INIT, 0x80); + + return 0; +} + void tm6000_get_std_res(struct tm6000_core *dev) { /* Currently, those are the only supported resoltions */ @@ -820,6 +1129,8 @@ static int tm6000_set_tv(struct tm6000_core *dev, int pos) rc = tm6000_load_std(dev, tv_stds[pos].common, sizeof(tv_stds[pos].common)); + tm6000_set_audio_std(dev, tv_stds[pos].audio_default_std); + return rc; } @@ -845,6 +1156,8 @@ int tm6000_set_standard(struct tm6000_core *dev, v4l2_std_id * norm) rc = tm6000_load_std(dev, svideo_stds[i].common, sizeof(svideo_stds[i]. common)); + tm6000_set_audio_std(dev, svideo_stds[i].audio_default_std); + goto ret; } } @@ -856,6 +1169,7 @@ int tm6000_set_standard(struct tm6000_core *dev, v4l2_std_id * norm) composite_stds[i].common, sizeof(composite_stds[i]. common)); + tm6000_set_audio_std(dev, composite_stds[i].audio_default_std); goto ret; } } diff --git a/drivers/staging/tm6000/tm6000-usb-isoc.h b/drivers/staging/tm6000/tm6000-usb-isoc.h index 138716a8f056..a9e61d95a9b2 100644 --- a/drivers/staging/tm6000/tm6000-usb-isoc.h +++ b/drivers/staging/tm6000/tm6000-usb-isoc.h @@ -1,20 +1,20 @@ /* - tm6000-buf.c - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.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 version 2 - - 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. + * tm6000-buf.c - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.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 version 2 + * + * 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/videodev2.h> diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c index ce0a089a0771..9ec82796634e 100644 --- a/drivers/staging/tm6000/tm6000-video.c +++ b/drivers/staging/tm6000/tm6000-video.c @@ -1,23 +1,23 @@ /* - tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> - - Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> - - Fixed module load/unload - - 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 version 2 - - 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. + * tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> + * + * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> + * - Fixed module load/unload + * + * 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 version 2 + * + * 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> @@ -118,8 +118,9 @@ static struct tm6000_fmt format[] = { }; /* ------------------------------------------------------------------ - DMA and thread functions - ------------------------------------------------------------------*/ + * DMA and thread functions + * ------------------------------------------------------------------ + */ #define norm_maxw(a) 720 #define norm_maxh(a) 576 @@ -189,17 +190,17 @@ static int copy_streams(u8 *data, unsigned long len, struct urb *urb) { struct tm6000_dmaqueue *dma_q = urb->context; - struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); - u8 *ptr=data, *endp=data+len, c; - unsigned long header=0; - int rc=0; + struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); + u8 *ptr = data, *endp = data+len, c; + unsigned long header = 0; + int rc = 0; unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; struct tm6000_buffer *vbuf; char *voutp = NULL; unsigned int linewidth; /* get video buffer */ - get_next_buf (dma_q, &vbuf); + get_next_buf(dma_q, &vbuf); if (!vbuf) return rc; voutp = videobuf_to_vmalloc(&vbuf->vb); @@ -213,7 +214,7 @@ static int copy_streams(u8 *data, unsigned long len, /* from last urb or packet */ header = dev->isoc_ctl.tmp_buf; if (4 - dev->isoc_ctl.tmp_buf_len > 0) { - memcpy ((u8 *)&header + + memcpy((u8 *)&header + dev->isoc_ctl.tmp_buf_len, ptr, 4 - dev->isoc_ctl.tmp_buf_len); @@ -224,7 +225,7 @@ static int copy_streams(u8 *data, unsigned long len, if (ptr + 3 >= endp) { /* have incomplete header */ dev->isoc_ctl.tmp_buf_len = endp - ptr; - memcpy (&dev->isoc_ctl.tmp_buf, ptr, + memcpy(&dev->isoc_ctl.tmp_buf, ptr, dev->isoc_ctl.tmp_buf_len); return rc; } @@ -261,13 +262,13 @@ static int copy_streams(u8 *data, unsigned long len, /* Announces that a new buffer * were filled */ - buffer_filled (dev, dma_q, vbuf); - dprintk (dev, V4L2_DEBUG_ISOC, + buffer_filled(dev, dma_q, vbuf); + dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); - get_next_buf (dma_q, &vbuf); + get_next_buf(dma_q, &vbuf); if (!vbuf) return rc; - voutp = videobuf_to_vmalloc (&vbuf->vb); + voutp = videobuf_to_vmalloc(&vbuf->vb); if (!voutp) return rc; memset(voutp, 0, vbuf->vb.size); @@ -301,9 +302,17 @@ static int copy_streams(u8 *data, unsigned long len, case TM6000_URB_MSG_VIDEO: /* Fills video buffer */ if (vbuf) - memcpy (&voutp[pos], ptr, cpysize); + memcpy(&voutp[pos], ptr, cpysize); break; case TM6000_URB_MSG_AUDIO: + /* Need some code to copy audio buffer */ + if (dev->fourcc == V4L2_PIX_FMT_YUYV) { + /* Swap word bytes */ + int i; + + for (i = 0; i < cpysize; i += 2) + swab16s((u16 *)(ptr + i)); + } tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize); break; case TM6000_URB_MSG_VBI: @@ -338,9 +347,9 @@ static int copy_multiplexed(u8 *ptr, unsigned long len, struct urb *urb) { struct tm6000_dmaqueue *dma_q = urb->context; - struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); - unsigned int pos=dev->isoc_ctl.pos,cpysize; - int rc=1; + struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); + unsigned int pos = dev->isoc_ctl.pos, cpysize; + int rc = 1; struct tm6000_buffer *buf; char *outp = NULL; @@ -351,19 +360,18 @@ static int copy_multiplexed(u8 *ptr, unsigned long len, if (!outp) return 0; - while (len>0) { - cpysize=min(len,buf->vb.size-pos); - //printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos); + while (len > 0) { + cpysize = min(len, buf->vb.size-pos); memcpy(&outp[pos], ptr, cpysize); - pos+=cpysize; - ptr+=cpysize; - len-=cpysize; + pos += cpysize; + ptr += cpysize; + len -= cpysize; if (pos >= buf->vb.size) { - pos=0; + pos = 0; /* Announces that a new buffer were filled */ - buffer_filled (dev, dma_q, buf); + buffer_filled(dev, dma_q, buf); dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); - get_next_buf (dma_q, &buf); + get_next_buf(dma_q, &buf); if (!buf) break; outp = videobuf_to_vmalloc(&(buf->vb)); @@ -373,16 +381,16 @@ static int copy_multiplexed(u8 *ptr, unsigned long len, } } - dev->isoc_ctl.pos=pos; + dev->isoc_ctl.pos = pos; return rc; } -static void inline print_err_status (struct tm6000_core *dev, +static inline void print_err_status(struct tm6000_core *dev, int packet, int status) { char *errmsg = "Unknown"; - switch(status) { + switch (status) { case -ENOENT: errmsg = "unlinked synchronuously"; break; @@ -408,7 +416,7 @@ static void inline print_err_status (struct tm6000_core *dev, errmsg = "Device does not respond"; break; } - if (packet<0) { + if (packet < 0) { dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", status, errmsg); } else { @@ -424,20 +432,20 @@ static void inline print_err_status (struct tm6000_core *dev, static inline int tm6000_isoc_copy(struct urb *urb) { struct tm6000_dmaqueue *dma_q = urb->context; - struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq); - int i, len=0, rc=1, status; + struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); + int i, len = 0, rc = 1, status; char *p; if (urb->status < 0) { - print_err_status (dev, -1, urb->status); + print_err_status(dev, -1, urb->status); return 0; } for (i = 0; i < urb->number_of_packets; i++) { status = urb->iso_frame_desc[i].status; - if (status<0) { - print_err_status (dev,i,status); + if (status < 0) { + print_err_status(dev, i, status); continue; } @@ -446,9 +454,9 @@ static inline int tm6000_isoc_copy(struct urb *urb) if (len > 0) { p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; if (!urb->iso_frame_desc[i].status) { - if ((dev->fourcc)==V4L2_PIX_FMT_TM6000) { - rc=copy_multiplexed(p, len, urb); - if (rc<=0) + if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) { + rc = copy_multiplexed(p, len, urb); + if (rc <= 0) return rc; } else { copy_streams(p, len, urb); @@ -460,8 +468,9 @@ static inline int tm6000_isoc_copy(struct urb *urb) } /* ------------------------------------------------------------------ - URB control - ------------------------------------------------------------------*/ + * URB control + * ------------------------------------------------------------------ + */ /* * IRQ callback, called by URB callback @@ -501,7 +510,7 @@ static void tm6000_uninit_isoc(struct tm6000_core *dev) dev->isoc_ctl.buf = NULL; for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { - urb=dev->isoc_ctl.urb[i]; + urb = dev->isoc_ctl.urb[i]; if (urb) { usb_kill_urb(urb); usb_unlink_urb(urb); @@ -517,11 +526,11 @@ static void tm6000_uninit_isoc(struct tm6000_core *dev) dev->isoc_ctl.transfer_buffer[i] = NULL; } - kfree (dev->isoc_ctl.urb); - kfree (dev->isoc_ctl.transfer_buffer); + kfree(dev->isoc_ctl.urb); + kfree(dev->isoc_ctl.transfer_buffer); - dev->isoc_ctl.urb=NULL; - dev->isoc_ctl.transfer_buffer=NULL; + dev->isoc_ctl.urb = NULL; + dev->isoc_ctl.transfer_buffer = NULL; dev->isoc_ctl.num_bufs = 0; } @@ -552,7 +561,7 @@ static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) dev->isoc_ctl.max_pkt_size = size; - max_packets = ( framesize + size - 1) / size; + max_packets = (framesize + size - 1) / size; if (max_packets > TM6000_MAX_ISO_PACKETS) max_packets = TM6000_MAX_ISO_PACKETS; @@ -594,10 +603,10 @@ static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, &urb->transfer_dma); if (!dev->isoc_ctl.transfer_buffer[i]) { - tm6000_err ("unable to allocate %i bytes for transfer" + tm6000_err("unable to allocate %i bytes for transfer" " buffer %i%s\n", sb_size, i, - in_interrupt()?" while in int":""); + in_interrupt() ? " while in int" : ""); tm6000_uninit_isoc(dev); return -ENOMEM; } @@ -619,13 +628,13 @@ static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) return 0; } -static int tm6000_start_thread( struct tm6000_core *dev) +static int tm6000_start_thread(struct tm6000_core *dev) { struct tm6000_dmaqueue *dma_q = &dev->vidq; int i; - dma_q->frame=0; - dma_q->ini_jiffies=jiffies; + dma_q->frame = 0; + dma_q->ini_jiffies = jiffies; init_waitqueue_head(&dma_q->wq); @@ -644,8 +653,9 @@ static int tm6000_start_thread( struct tm6000_core *dev) } /* ------------------------------------------------------------------ - Videobuf operations - ------------------------------------------------------------------*/ + * Videobuf operations + * ------------------------------------------------------------------ + */ static int buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) @@ -656,9 +666,8 @@ buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) if (0 == *count) *count = TM6000_DEF_BUF; - if (*count < TM6000_MIN_BUF) { - *count=TM6000_MIN_BUF; - } + if (*count < TM6000_MIN_BUF) + *count = TM6000_MIN_BUF; while (*size * *count > vid_limit * 1024 * 1024) (*count)--; @@ -698,7 +707,7 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, enum v4l2_field field) { struct tm6000_fh *fh = vq->priv_data; - struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); + struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); struct tm6000_core *dev = fh->dev; int rc = 0, urb_init = 0; @@ -753,7 +762,7 @@ fail: static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) { - struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); + struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); struct tm6000_fh *fh = vq->priv_data; struct tm6000_core *dev = fh->dev; struct tm6000_dmaqueue *vidq = &dev->vidq; @@ -764,9 +773,9 @@ buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) { - struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); + struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); - free_buffer(vq,buf); + free_buffer(vq, buf); } static struct videobuf_queue_ops tm6000_video_qops = { @@ -777,49 +786,66 @@ static struct videobuf_queue_ops tm6000_video_qops = { }; /* ------------------------------------------------------------------ - IOCTL handling - ------------------------------------------------------------------*/ + * IOCTL handling + * ------------------------------------------------------------------ + */ -static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh) +static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh) { - /* is it free? */ - mutex_lock(&dev->lock); - if (dev->resources) { - /* no, someone else uses it */ - mutex_unlock(&dev->lock); - return 0; - } - /* it's free, grab it */ - dev->resources =1; - dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); - mutex_unlock(&dev->lock); - return 1; + /* Is the current fh handling it? if so, that's OK */ + if (dev->resources == fh && dev->is_res_read) + return true; + + return false; +} + +static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh) +{ + /* Is the current fh handling it? if so, that's OK */ + if (dev->resources == fh) + return true; + + return false; } -static int res_locked(struct tm6000_core *dev) +static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh, + bool is_res_read) { - return (dev->resources); + /* Is the current fh handling it? if so, that's OK */ + if (dev->resources == fh && dev->is_res_read == is_res_read) + return true; + + /* is it free? */ + if (dev->resources) + return false; + + /* grab it */ + dev->resources = fh; + dev->is_res_read = is_res_read; + dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); + return true; } static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) { - mutex_lock(&dev->lock); - dev->resources = 0; + /* Is the current fh handling it? if so, that's OK */ + if (dev->resources != fh) + return; + + dev->resources = NULL; dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); - mutex_unlock(&dev->lock); } /* ------------------------------------------------------------------ - IOCTL vidioc handling - ------------------------------------------------------------------*/ -static int vidioc_querycap (struct file *file, void *priv, + * IOCTL vidioc handling + * ------------------------------------------------------------------ + */ +static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { - // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); - strlcpy(cap->card,"Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); - // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info)); + strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); cap->version = TM6000_VERSION; cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | @@ -828,21 +854,21 @@ static int vidioc_querycap (struct file *file, void *priv, return 0; } -static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { if (unlikely(f->index >= ARRAY_SIZE(format))) return -EINVAL; - strlcpy(f->description,format[f->index].name,sizeof(f->description)); + strlcpy(f->description, format[f->index].name, sizeof(f->description)); f->pixelformat = format[f->index].fourcc; return 0; } -static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; f->fmt.pix.width = fh->width; f->fmt.pix.height = fh->height; @@ -853,10 +879,10 @@ static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; - return (0); + return 0; } -static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc) +static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc) { unsigned int i; @@ -866,7 +892,7 @@ static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc) return NULL; } -static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, +static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; @@ -882,15 +908,14 @@ static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, field = f->fmt.pix.field; - if (field == V4L2_FIELD_ANY) { -// field=V4L2_FIELD_INTERLACED; - field=V4L2_FIELD_SEQ_TB; - } else if (V4L2_FIELD_INTERLACED != field) { + if (field == V4L2_FIELD_ANY) + field = V4L2_FIELD_SEQ_TB; + else if (V4L2_FIELD_INTERLACED != field) { dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); return -EINVAL; } - tm6000_get_std_res (dev); + tm6000_get_std_res(dev); f->fmt.pix.width = dev->width; f->fmt.pix.height = dev->height; @@ -908,14 +933,14 @@ static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, } /*FIXME: This seems to be generic enough to be at videodev2 */ -static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; - int ret = vidioc_try_fmt_vid_cap(file,fh,f); + int ret = vidioc_try_fmt_vid_cap(file, fh, f); if (ret < 0) - return (ret); + return ret; fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); fh->width = f->fmt.pix.width; @@ -927,52 +952,52 @@ static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, tm6000_set_fourcc_format(dev); - return (0); + return 0; } -static int vidioc_reqbufs (struct file *file, void *priv, +static int vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; - return (videobuf_reqbufs(&fh->vb_vidq, p)); + return videobuf_reqbufs(&fh->vb_vidq, p); } -static int vidioc_querybuf (struct file *file, void *priv, +static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; - return (videobuf_querybuf(&fh->vb_vidq, p)); + return videobuf_querybuf(&fh->vb_vidq, p); } -static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) +static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; - return (videobuf_qbuf(&fh->vb_vidq, p)); + return videobuf_qbuf(&fh->vb_vidq, p); } -static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; - return (videobuf_dqbuf(&fh->vb_vidq, p, - file->f_flags & O_NONBLOCK)); + return videobuf_dqbuf(&fh->vb_vidq, p, + file->f_flags & O_NONBLOCK); } #ifdef CONFIG_VIDEO_V4L1_COMPAT -static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf) +static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; - return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8); + 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; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) @@ -980,7 +1005,7 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) if (i != fh->type) return -EINVAL; - if (!res_get(dev,fh)) + if (!res_get(dev, fh, false)) return -EBUSY; return (videobuf_streamon(&fh->vb_vidq)); } @@ -1007,7 +1032,7 @@ static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) struct tm6000_fh *fh=priv; struct tm6000_core *dev = fh->dev; - rc=tm6000_set_standard (dev, norm); + rc = tm6000_init_analog_mode(dev); fh->width = dev->width; fh->height = dev->height; @@ -1020,21 +1045,21 @@ static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) return 0; } -static int vidioc_enum_input (struct file *file, void *priv, +static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *inp) { switch (inp->index) { case TM6000_INPUT_TV: inp->type = V4L2_INPUT_TYPE_TUNER; - strcpy(inp->name,"Television"); + strcpy(inp->name, "Television"); break; case TM6000_INPUT_COMPOSITE: inp->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(inp->name,"Composite"); + strcpy(inp->name, "Composite"); break; case TM6000_INPUT_SVIDEO: inp->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(inp->name,"S-Video"); + strcpy(inp->name, "S-Video"); break; default: return -EINVAL; @@ -1044,48 +1069,48 @@ static int vidioc_enum_input (struct file *file, void *priv, return 0; } -static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; - *i=dev->input; + *i = dev->input; return 0; } -static int vidioc_s_input (struct file *file, void *priv, unsigned int i) +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; - int rc=0; + int rc = 0; char buf[1]; switch (i) { case TM6000_INPUT_TV: - dev->input=i; - *buf=0; + dev->input = i; + *buf = 0; break; case TM6000_INPUT_COMPOSITE: case TM6000_INPUT_SVIDEO: - dev->input=i; - *buf=1; + dev->input = i; + *buf = 1; break; default: return -EINVAL; } - rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR, + rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR, REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); if (!rc) { - dev->input=i; - rc=vidioc_s_std (file, priv, &dev->vfd->current_norm); + dev->input = i; + rc = vidioc_s_std(file, priv, &dev->vfd->current_norm); } - return (rc); + return rc; } /* --- controls ---------------------------------------------- */ -static int vidioc_queryctrl (struct file *file, void *priv, +static int vidioc_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *qc) { int i; @@ -1094,16 +1119,16 @@ static int vidioc_queryctrl (struct file *file, void *priv, if (qc->id && qc->id == tm6000_qctrl[i].id) { memcpy(qc, &(tm6000_qctrl[i]), sizeof(*qc)); - return (0); + return 0; } return -EINVAL; } -static int vidioc_g_ctrl (struct file *file, void *priv, +static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct tm6000_fh *fh=priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; int val; @@ -1125,41 +1150,41 @@ static int vidioc_g_ctrl (struct file *file, void *priv, return -EINVAL; } - if (val<0) + if (val < 0) return val; - ctrl->value=val; + ctrl->value = val; return 0; } -static int vidioc_s_ctrl (struct file *file, void *priv, +static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct tm6000_fh *fh =priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; - u8 val=ctrl->value; + u8 val = ctrl->value; switch (ctrl->id) { case V4L2_CID_CONTRAST: - tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); + tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); return 0; case V4L2_CID_BRIGHTNESS: - tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); + tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); return 0; case V4L2_CID_SATURATION: - tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); + tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); return 0; case V4L2_CID_HUE: - tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); + tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); return 0; } return -EINVAL; } -static int vidioc_g_tuner (struct file *file, void *priv, +static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { - struct tm6000_fh *fh =priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; if (unlikely(UNSET == dev->tuner_type)) @@ -1176,10 +1201,10 @@ static int vidioc_g_tuner (struct file *file, void *priv, return 0; } -static int vidioc_s_tuner (struct file *file, void *priv, +static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { - struct tm6000_fh *fh =priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; if (UNSET == dev->tuner_type) @@ -1190,10 +1215,10 @@ static int vidioc_s_tuner (struct file *file, void *priv, return 0; } -static int vidioc_g_frequency (struct file *file, void *priv, +static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct tm6000_fh *fh =priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; if (unlikely(UNSET == dev->tuner_type)) @@ -1207,10 +1232,10 @@ static int vidioc_g_frequency (struct file *file, void *priv, return 0; } -static int vidioc_s_frequency (struct file *file, void *priv, +static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct tm6000_fh *fh =priv; + struct tm6000_fh *fh = priv; struct tm6000_core *dev = fh->dev; if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) @@ -1221,10 +1246,8 @@ static int vidioc_s_frequency (struct file *file, void *priv, if (unlikely(f->tuner != 0)) return -EINVAL; -// mutex_lock(&dev->lock); dev->freq = f->frequency; v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); -// mutex_unlock(&dev->lock); return 0; } @@ -1239,7 +1262,7 @@ static int tm6000_open(struct file *file) struct tm6000_core *dev = video_drvdata(file); struct tm6000_fh *fh; enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - int i,rc; + int i, rc; printk(KERN_INFO "tm6000: open called (dev=%s)\n", video_device_node_name(vdev)); @@ -1256,7 +1279,7 @@ static int tm6000_open(struct file *file) dev->users); /* allocate + initialize per filehandle data */ - fh = kzalloc(sizeof(*fh),GFP_KERNEL); + fh = kzalloc(sizeof(*fh), GFP_KERNEL); if (NULL == fh) { dev->users--; return -ENOMEM; @@ -1284,23 +1307,23 @@ static int tm6000_open(struct file *file) "active=%d\n",list_empty(&dev->vidq.active)); /* initialize hardware on analog mode */ - if (dev->mode!=TM6000_MODE_ANALOG) { - rc=tm6000_init_analog_mode (dev); - if (rc<0) - return rc; + rc = tm6000_init_analog_mode(dev); + if (rc < 0) + return rc; + if (dev->mode != TM6000_MODE_ANALOG) { /* Put all controls at a sane state */ for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) - qctl_regs[i] =tm6000_qctrl[i].default_value; + qctl_regs[i] = tm6000_qctrl[i].default_value; - dev->mode=TM6000_MODE_ANALOG; + dev->mode = TM6000_MODE_ANALOG; } videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED, - sizeof(struct tm6000_buffer),fh); + sizeof(struct tm6000_buffer), fh, &dev->lock); return 0; } @@ -1311,7 +1334,7 @@ tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) struct tm6000_fh *fh = file->private_data; if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { - if (res_locked(fh->dev)) + if (!res_get(fh->dev, fh, true)) return -EBUSY; return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, @@ -1329,7 +1352,10 @@ tm6000_poll(struct file *file, struct poll_table_struct *wait) if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) return POLLERR; - if (res_get(fh->dev,fh)) { + if (!!is_res_streaming(fh->dev, fh)) + return POLLERR; + + if (!is_res_read(fh->dev, fh)) { /* streaming capture */ if (list_empty(&fh->vb_vidq.stream)) return POLLERR; @@ -1342,7 +1368,7 @@ tm6000_poll(struct file *file, struct poll_table_struct *wait) poll_wait(file, &buf->vb.done, wait); if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) - return POLLIN|POLLRDNORM; + return POLLIN | POLLRDNORM; return 0; } @@ -1357,12 +1383,13 @@ static int tm6000_release(struct file *file) dev->users--; + res_free(dev, fh); if (!dev->users) { tm6000_uninit_isoc(dev); videobuf_mmap_free(&fh->vb_vidq); } - kfree (fh); + kfree(fh); return 0; } @@ -1372,7 +1399,7 @@ static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) struct tm6000_fh *fh = file->private_data; int ret; - ret=videobuf_mmap_mapper(&fh->vb_vidq, vma); + ret = videobuf_mmap_mapper(&fh->vb_vidq, vma); return ret; } @@ -1381,7 +1408,7 @@ static struct v4l2_file_operations tm6000_fops = { .owner = THIS_MODULE, .open = tm6000_open, .release = tm6000_release, - .ioctl = video_ioctl2, /* V4L2 ioctl handler */ + .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ .read = tm6000_read, .poll = tm6000_poll, .mmap = tm6000_mmap, @@ -1425,8 +1452,9 @@ static struct video_device tm6000_template = { }; /* ----------------------------------------------------------------- - Initialization and module stuff - ------------------------------------------------------------------*/ + * Initialization and module stuff + * ------------------------------------------------------------------ + */ int tm6000_v4l2_register(struct tm6000_core *dev) { @@ -1443,8 +1471,10 @@ int tm6000_v4l2_register(struct tm6000_core *dev) INIT_LIST_HEAD(&dev->vidq.active); INIT_LIST_HEAD(&dev->vidq.queued); - memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); - dev->vfd->debug=tm6000_debug; + memcpy(dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); + dev->vfd->debug = tm6000_debug; + dev->vfd->lock = &dev->lock; + vfd->v4l2_dev = &dev->v4l2_dev; video_set_drvdata(vfd, dev); @@ -1466,11 +1496,11 @@ int tm6000_v4l2_exit(void) } module_param(video_nr, int, 0); -MODULE_PARM_DESC(video_nr,"Allow changing video device number"); +MODULE_PARM_DESC(video_nr, "Allow changing video device number"); -module_param_named (debug, tm6000_debug, int, 0444); -MODULE_PARM_DESC(debug,"activates debug info"); +module_param_named(debug, tm6000_debug, int, 0444); +MODULE_PARM_DESC(debug, "activates debug info"); -module_param(vid_limit,int,0644); -MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); +module_param(vid_limit, int, 0644); +MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); diff --git a/drivers/staging/tm6000/tm6000.h b/drivers/staging/tm6000/tm6000.h index 1ec1bff9b294..46017b603190 100644 --- a/drivers/staging/tm6000/tm6000.h +++ b/drivers/staging/tm6000/tm6000.h @@ -1,23 +1,23 @@ /* - tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices - - Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> - - Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> - - DVB-T support - - 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 version 2 - - 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. + * tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices + * + * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> + * + * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> + * - DVB-T support + * + * 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 version 2 + * + * 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. */ /* Use the tm6000-hack, instead of the proper initialization code i*/ @@ -54,8 +54,9 @@ enum tm6000_devtype { }; /* ------------------------------------------------------------------ - Basic structures - ------------------------------------------------------------------*/ + * Basic structures + * ------------------------------------------------------------------ + */ struct tm6000_fmt { char *name; @@ -189,7 +190,9 @@ struct tm6000_core { int users; /* various device info */ - unsigned int resources; + struct tm6000_fh *resources; /* Points to fh that is streaming */ + bool is_res_read; + struct video_device *vfd; struct tm6000_dmaqueue vidq; struct v4l2_device v4l2_dev; @@ -205,6 +208,9 @@ struct tm6000_core { /* audio support */ struct snd_tm6000_card *adev; + struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ + atomic_t stream_started; /* stream should be running if true */ + struct tm6000_IR *ir; @@ -251,9 +257,9 @@ struct tm6000_fh { enum v4l2_buf_type type; }; -#define TM6000_STD V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \ +#define TM6000_STD (V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \ V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \ - V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM + V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM) /* In tm6000-cards.c */ |