diff options
Diffstat (limited to 'drivers/staging/easycap/easycap.h')
| -rw-r--r-- | drivers/staging/easycap/easycap.h | 638 |
1 files changed, 638 insertions, 0 deletions
diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h new file mode 100644 index 000000000000..f3c827eb0abe --- /dev/null +++ b/drivers/staging/easycap/easycap.h @@ -0,0 +1,638 @@ +/***************************************************************************** +* * +* easycap.h * +* * +*****************************************************************************/ +/* + * + * Copyright (C) 2010 R.M. Thomas <rmthomas@sciolus.org> + * + * + * This 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. + * + * The software 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 software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * +*/ +/*****************************************************************************/ +/*---------------------------------------------------------------------------*/ +/* + * THE FOLLOWING PARAMETERS ARE UNDEFINED: + * + * EASYCAP_DEBUG + * EASYCAP_IS_VIDEODEV_CLIENT + * EASYCAP_NEEDS_USBVIDEO_H + * EASYCAP_NEEDS_V4L2_DEVICE_H + * EASYCAP_NEEDS_V4L2_FOPS + * + * IF REQUIRED THEY MUST BE EXTERNALLY DEFINED, FOR EXAMPLE AS COMPILER + * OPTIONS. + */ +/*---------------------------------------------------------------------------*/ + +#if (!defined(EASYCAP_H)) +#define EASYCAP_H + +#if defined(EASYCAP_DEBUG) +#if (9 < EASYCAP_DEBUG) +#error Debug levels 0 to 9 are okay.\ + To achieve higher levels, remove this trap manually from easycap.h +#endif +#endif /*EASYCAP_DEBUG*/ +/*---------------------------------------------------------------------------*/ +/* + * THESE ARE FOR MAINTENANCE ONLY - NORMALLY UNDEFINED: + */ +/*---------------------------------------------------------------------------*/ +#undef PREFER_NTSC +#undef EASYCAP_TESTCARD +#undef EASYCAP_TESTTONE +#undef LOCKFRAME +#undef NOREADBACK +#undef AUDIOTIME +/*---------------------------------------------------------------------------*/ +/* + * + * DEFINE BRIDGER TO ACTIVATE THE ROUTINE FOR BRIDGING VIDEOTAPE DROPOUTS. + * + * *** UNDER DEVELOPMENT/TESTING - NOT READY YET!*** + * + */ +/*---------------------------------------------------------------------------*/ +#undef BRIDGER +/*---------------------------------------------------------------------------*/ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/kref.h> +#include <linux/smp_lock.h> +#include <linux/usb.h> +#include <linux/uaccess.h> + +#include <linux/i2c.h> +#include <linux/version.h> +#include <linux/workqueue.h> +#include <linux/poll.h> +#include <linux/mm.h> +#include <linux/fs.h> +#include <linux/delay.h> +#include <linux/types.h> + +/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ +#if defined(EASYCAP_IS_VIDEODEV_CLIENT) +#if (!defined(__OLD_VIDIOC_)) +#define __OLD_VIDIOC_ +#endif /* !defined(__OLD_VIDIOC_) */ + +#include <media/v4l2-dev.h> + +#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) +#include <media/v4l2-device.h> +#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/ +#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ +/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + +#if (!defined(__OLD_VIDIOC_)) +#define __OLD_VIDIOC_ +#endif /* !defined(__OLD_VIDIOC_) */ +#include <linux/videodev2.h> + +#include <linux/soundcard.h> + +#if defined(EASYCAP_NEEDS_USBVIDEO_H) +#include <config/video/usbvideo.h> +#endif /*EASYCAP_NEEDS_USBVIDEO_H*/ + +#if (!defined(PAGE_SIZE)) +#error "PAGE_SIZE not defined" +#endif + +#define STRINGIZE_AGAIN(x) #x +#define STRINGIZE(x) STRINGIZE_AGAIN(x) + +/*---------------------------------------------------------------------------*/ +/* VENDOR, PRODUCT: Syntek Semiconductor Co., Ltd + * + * EITHER EasyCAP USB 2.0 Video Adapter with Audio, Model No. DC60 + * with input cabling: AUDIO(L), AUDIO(R), CVBS, S-VIDEO. + * + * OR EasyCAP 4CHANNEL USB 2.0 DVR, Model No. EasyCAP002 + * with input cabling: MICROPHONE, CVBS1, CVBS2, CVBS3, CVBS4. + */ +/*---------------------------------------------------------------------------*/ +#define USB_EASYCAP_VENDOR_ID 0x05e1 +#define USB_EASYCAP_PRODUCT_ID 0x0408 + +#define EASYCAP_DRIVER_VERSION "0.8.21" +#define EASYCAP_DRIVER_DESCRIPTION "easycapdc60" + +#define USB_SKEL_MINOR_BASE 192 +#define VIDEO_DEVICE_MANY 8 + +/*---------------------------------------------------------------------------*/ +/* + * DEFAULT LUMINANCE, CONTRAST, SATURATION AND HUE + */ +/*---------------------------------------------------------------------------*/ +#define SAA_0A_DEFAULT 0x7F +#define SAA_0B_DEFAULT 0x3F +#define SAA_0C_DEFAULT 0x2F +#define SAA_0D_DEFAULT 0x00 +/*---------------------------------------------------------------------------*/ +/* + * VIDEO STREAMING PARAMETERS: + * USB 2.0 PROVIDES FOR HIGH-BANDWIDTH ENDPOINTS WITH AN UPPER LIMIT + * OF 3072 BYTES PER MICROFRAME for wMaxPacketSize. + */ +/*---------------------------------------------------------------------------*/ +#define VIDEO_ISOC_BUFFER_MANY 16 +#define VIDEO_ISOC_ORDER 3 +#define VIDEO_ISOC_FRAMESPERDESC ((unsigned int) 1 << VIDEO_ISOC_ORDER) +#define USB_2_0_MAXPACKETSIZE 3072 +#if (USB_2_0_MAXPACKETSIZE > PAGE_SIZE) +#error video_isoc_buffer[.] will not be big enough +#endif +/*---------------------------------------------------------------------------*/ +/* + * VIDEO BUFFERS + */ +/*---------------------------------------------------------------------------*/ +#define FIELD_BUFFER_SIZE (203 * PAGE_SIZE) +#define FRAME_BUFFER_SIZE (405 * PAGE_SIZE) +#define FIELD_BUFFER_MANY 4 +#define FRAME_BUFFER_MANY 6 +/*---------------------------------------------------------------------------*/ +/* + * AUDIO STREAMING PARAMETERS + */ +/*---------------------------------------------------------------------------*/ +#define AUDIO_ISOC_BUFFER_MANY 16 +#define AUDIO_ISOC_ORDER 3 +#define AUDIO_ISOC_BUFFER_SIZE (PAGE_SIZE << AUDIO_ISOC_ORDER) +/*---------------------------------------------------------------------------*/ +/* + * AUDIO BUFFERS + */ +/*---------------------------------------------------------------------------*/ +#define AUDIO_FRAGMENT_MANY 32 +/*---------------------------------------------------------------------------*/ +/* + * IT IS ESSENTIAL THAT EVEN-NUMBERED STANDARDS ARE 25 FRAMES PER SECOND, + * ODD-NUMBERED STANDARDS ARE 30 FRAMES PER SECOND. + * THE NUMBERING OF STANDARDS MUST NOT BE CHANGED WITHOUT DUE CARE. NOT + * ONLY MUST THE PARAMETER + * STANDARD_MANY + * BE CHANGED TO CORRESPOND TO THE NEW NUMBER OF STANDARDS, BUT ALSO THE + * NUMBERING MUST REMAIN AN UNBROKEN ASCENDING SEQUENCE: DUMMY STANDARDS + * MAY NEED TO BE ADDED. APPROPRIATE CHANGES WILL ALWAYS BE REQUIRED IN + * ROUTINE fillin_formats() AND POSSIBLY ELSEWHERE. BEWARE. + */ +/*---------------------------------------------------------------------------*/ +#define PAL_BGHIN 0 +#define PAL_Nc 2 +#define SECAM 4 +#define NTSC_N 6 +#define NTSC_N_443 8 +#define NTSC_M 1 +#define NTSC_443 3 +#define NTSC_M_JP 5 +#define PAL_60 7 +#define PAL_M 9 +#define STANDARD_MANY 10 +/*---------------------------------------------------------------------------*/ +/* + * ENUMS + */ +/*---------------------------------------------------------------------------*/ +enum { +AT_720x576, +AT_704x576, +AT_640x480, +AT_720x480, +AT_360x288, +AT_320x240, +AT_360x240, +RESOLUTION_MANY +}; +enum { +FMT_UYVY, +FMT_YUY2, +FMT_RGB24, +FMT_RGB32, +FMT_BGR24, +FMT_BGR32, +PIXELFORMAT_MANY +}; +enum { +FIELD_NONE, +FIELD_INTERLACED, +FIELD_ALTERNATE, +INTERLACE_MANY +}; +#define SETTINGS_MANY (STANDARD_MANY * \ + RESOLUTION_MANY * \ + 2 * \ + PIXELFORMAT_MANY * \ + INTERLACE_MANY) +/*---------------------------------------------------------------------------*/ +/* + * STRUCTURE DEFINITIONS + */ +/*---------------------------------------------------------------------------*/ +struct data_buffer { +struct list_head list_head; +void *pgo; +void *pto; +__u16 kount; +}; +/*---------------------------------------------------------------------------*/ +struct data_urb { +struct list_head list_head; +struct urb *purb; +int isbuf; +int length; +}; +/*---------------------------------------------------------------------------*/ +struct easycap_standard { +__u16 mask; +struct v4l2_standard v4l2_standard; +}; +struct easycap_format { +__u16 mask; +char name[128]; +struct v4l2_format v4l2_format; +}; +/*---------------------------------------------------------------------------*/ +/* + * easycap.ilk == 0 => CVBS+S-VIDEO HARDWARE, AUDIO wMaxPacketSize=256 + * easycap.ilk == 2 => CVBS+S-VIDEO HARDWARE, AUDIO wMaxPacketSize=9 + * easycap.ilk == 3 => FOUR-CVBS HARDWARE, AUDIO wMaxPacketSize=9 + */ +/*---------------------------------------------------------------------------*/ +struct easycap { +unsigned int audio_pages_per_fragment; +unsigned int audio_bytes_per_fragment; +unsigned int audio_buffer_page_many; + +#define UPSAMPLE +#if defined(UPSAMPLE) +__s16 oldaudio; +#endif /*UPSAMPLE*/ + +struct easycap_format easycap_format[1 + SETTINGS_MANY]; + +int ilk; +bool microphone; + +/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ +#if defined(EASYCAP_IS_VIDEODEV_CLIENT) +struct video_device *pvideo_device; +#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ +/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + +struct usb_device *pusb_device; +struct usb_interface *pusb_interface; + +struct kref kref; + +struct mutex mutex_mmap_video[FRAME_BUFFER_MANY]; +struct mutex mutex_timeval0; +struct mutex mutex_timeval1; + +int queued[FRAME_BUFFER_MANY]; +int done[FRAME_BUFFER_MANY]; + +wait_queue_head_t wq_video; +wait_queue_head_t wq_audio; + +int input; +int polled; +int standard_offset; +int format_offset; + +int fps; +int usec; +int tolerate; +int merit[180]; + +struct timeval timeval0; +struct timeval timeval1; +struct timeval timeval2; +struct timeval timeval7; +long long int dnbydt; + +int video_interface; +int video_altsetting_on; +int video_altsetting_off; +int video_endpointnumber; +int video_isoc_maxframesize; +int video_isoc_buffer_size; +int video_isoc_framesperdesc; + +int video_isoc_streaming; +int video_isoc_sequence; +int video_idle; +int video_eof; +int video_junk; + +int fudge; + +struct data_buffer video_isoc_buffer[VIDEO_ISOC_BUFFER_MANY]; +struct data_buffer \ + field_buffer[FIELD_BUFFER_MANY][(FIELD_BUFFER_SIZE/PAGE_SIZE)]; +struct data_buffer \ + frame_buffer[FRAME_BUFFER_MANY][(FRAME_BUFFER_SIZE/PAGE_SIZE)]; + +struct list_head urb_video_head; +struct list_head *purb_video_head; + +int vma_many; + +/*---------------------------------------------------------------------------*/ +/* + * BUFFER INDICATORS + */ +/*---------------------------------------------------------------------------*/ +int field_fill; /* Field buffer being filled by easycap_complete(). */ + /* Bumped only by easycap_complete(). */ +int field_page; /* Page of field buffer page being filled by */ + /* easycap_complete(). */ +int field_read; /* Field buffer to be read by field2frame(). */ + /* Bumped only by easycap_complete(). */ +int frame_fill; /* Frame buffer being filled by field2frame(). */ + /* Bumped only by easycap_dqbuf() when */ + /* field2frame() has created a complete frame. */ +int frame_read; /* Frame buffer offered to user by DQBUF. */ + /* Set only by easycap_dqbuf() to trail frame_fill.*/ +int frame_lock; /* Flag set to 1 by DQBUF and cleared by QBUF */ +/*---------------------------------------------------------------------------*/ +/* + * IMAGE PROPERTIES + */ +/*---------------------------------------------------------------------------*/ +__u32 pixelformat; +__u32 field; +int width; +int height; +int bytesperpixel; +bool byteswaporder; +bool decimatepixel; +bool offerfields; +int frame_buffer_used; +int frame_buffer_many; +int videofieldamount; + +int brightness; +int contrast; +int saturation; +int hue; + +int allocation_video_urb; +int allocation_video_page; +int allocation_video_struct; +int registered_video; +/*---------------------------------------------------------------------------*/ +/* + * SOUND PROPERTIES + */ +/*---------------------------------------------------------------------------*/ +int audio_interface; +int audio_altsetting_on; +int audio_altsetting_off; +int audio_endpointnumber; +int audio_isoc_maxframesize; +int audio_isoc_buffer_size; +int audio_isoc_framesperdesc; + +int audio_isoc_streaming; +int audio_idle; +int audio_eof; +int volume; +int mute; + +struct data_buffer audio_isoc_buffer[AUDIO_ISOC_BUFFER_MANY]; + +struct list_head urb_audio_head; +struct list_head *purb_audio_head; +/*---------------------------------------------------------------------------*/ +/* + * BUFFER INDICATORS + */ +/*---------------------------------------------------------------------------*/ +int audio_fill; /* Audio buffer being filled by easysnd_complete(). */ + /* Bumped only by easysnd_complete(). */ +int audio_read; /* Audio buffer page being read by easysnd_read(). */ + /* Set by easysnd_read() to trail audio_fill by */ + /* one fragment. */ +/*---------------------------------------------------------------------------*/ +/* + * SOUND PROPERTIES + */ +/*---------------------------------------------------------------------------*/ + +int audio_buffer_many; + +int allocation_audio_urb; +int allocation_audio_page; +int allocation_audio_struct; +int registered_audio; + +long long int audio_sample; +long long int audio_niveau; +long long int audio_square; + +struct data_buffer audio_buffer[]; +}; +/*---------------------------------------------------------------------------*/ +/* + * VIDEO FUNCTION PROTOTYPES + */ +/*---------------------------------------------------------------------------*/ +void easycap_complete(struct urb *); +int easycap_open(struct inode *, struct file *); +int easycap_release(struct inode *, struct file *); +long easycap_ioctl(struct file *, unsigned int, unsigned long); + +/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ +#if defined(EASYCAP_IS_VIDEODEV_CLIENT) +int easycap_open_noinode(struct file *); +int easycap_release_noinode(struct file *); +int videodev_release(struct video_device *); +#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ +/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + +unsigned int easycap_poll(struct file *, poll_table *); +int easycap_mmap(struct file *, struct vm_area_struct *); +int easycap_usb_probe(struct usb_interface *, \ + const struct usb_device_id *); +void easycap_usb_disconnect(struct usb_interface *); +void easycap_delete(struct kref *); + +void easycap_vma_open(struct vm_area_struct *); +void easycap_vma_close(struct vm_area_struct *); +int easycap_vma_fault(struct vm_area_struct *, struct vm_fault *); +int easycap_dqbuf(struct easycap *, int); +int submit_video_urbs(struct easycap *); +int kill_video_urbs(struct easycap *); +int field2frame(struct easycap *); +int redaub(struct easycap *, void *, void *, \ + int, int, __u8, __u8, bool); +void debrief(struct easycap *); +void sayreadonly(struct easycap *); +void easycap_testcard(struct easycap *, int); +int explain_ioctl(__u32); +int explain_cid(__u32); +int fillin_formats(void); +int adjust_standard(struct easycap *, v4l2_std_id); +int adjust_format(struct easycap *, __u32, __u32, __u32, \ + int, bool); +int adjust_brightness(struct easycap *, int); +int adjust_contrast(struct easycap *, int); +int adjust_saturation(struct easycap *, int); +int adjust_hue(struct easycap *, int); +int adjust_volume(struct easycap *, int); +/*---------------------------------------------------------------------------*/ +/* + * AUDIO FUNCTION PROTOTYPES + */ +/*---------------------------------------------------------------------------*/ +void easysnd_complete(struct urb *); +ssize_t easysnd_read(struct file *, char __user *, size_t, loff_t *); +int easysnd_open(struct inode *, struct file *); +int easysnd_release(struct inode *, struct file *); +long easysnd_ioctl(struct file *, unsigned int, unsigned long); +unsigned int easysnd_poll(struct file *, poll_table *); +void easysnd_delete(struct kref *); +int submit_audio_urbs(struct easycap *); +int kill_audio_urbs(struct easycap *); +void easysnd_testtone(struct easycap *, int); +int audio_setup(struct easycap *); +/*---------------------------------------------------------------------------*/ +/* + * LOW-LEVEL FUNCTION PROTOTYPES + */ +/*---------------------------------------------------------------------------*/ +int audio_gainget(struct usb_device *); +int audio_gainset(struct usb_device *, __s8); + +int set_interface(struct usb_device *, __u16); +int wakeup_device(struct usb_device *); +int confirm_resolution(struct usb_device *); +int confirm_stream(struct usb_device *); + +int setup_stk(struct usb_device *); +int setup_saa(struct usb_device *); +int setup_vt(struct usb_device *); +int check_stk(struct usb_device *); +int check_saa(struct usb_device *); +int ready_saa(struct usb_device *); +int merit_saa(struct usb_device *); +int check_vt(struct usb_device *); +int select_input(struct usb_device *, int, int); +int set_resolution(struct usb_device *, \ + __u16, __u16, __u16, __u16); + +int read_saa(struct usb_device *, __u16); +int read_stk(struct usb_device *, __u32); +int write_saa(struct usb_device *, __u16, __u16); +int wait_i2c(struct usb_device *); +int write_000(struct usb_device *, __u16, __u16); +int start_100(struct usb_device *); +int stop_100(struct usb_device *); +int write_300(struct usb_device *); +int read_vt(struct usb_device *, __u16); +int write_vt(struct usb_device *, __u16, __u16); + +int set2to78(struct usb_device *); +int set2to93(struct usb_device *); + +int regset(struct usb_device *, __u16, __u16); +int regget(struct usb_device *, __u16, void *); +/*---------------------------------------------------------------------------*/ +struct signed_div_result { +long long int quotient; +unsigned long long int remainder; +} signed_div(long long int, long long int); +/*---------------------------------------------------------------------------*/ +/* + * MACROS + */ +/*---------------------------------------------------------------------------*/ +#define GET(X, Y, Z) do { \ + int rc; \ + *(Z) = (__u16)0; \ + rc = regget(X, Y, Z); \ + if (0 > rc) { \ + JOT(8, ":-(%i\n", __LINE__); return(rc); \ + } \ +} while (0) + +#define SET(X, Y, Z) do { \ + int rc; \ + rc = regset(X, Y, Z); \ + if (0 > rc) { \ + JOT(8, ":-(%i\n", __LINE__); return(rc); \ + } \ +} while (0) +/*---------------------------------------------------------------------------*/ + +#define SAY(format, args...) do { \ + printk(KERN_DEBUG "easycap: %s: " format, __func__, ##args); \ +} while (0) + + +#if defined(EASYCAP_DEBUG) +#define JOT(n, format, args...) do { \ + if (n <= easycap_debug) { \ + printk(KERN_DEBUG "easycap: %s: " format, __func__, ##args); \ + } \ +} while (0) +#else +#define JOT(n, format, args...) do {} while (0) +#endif /*EASYCAP_DEBUG*/ + +#define POUT JOT(8, ":-(in file %s line %4i\n", __FILE__, __LINE__) + +#define MICROSECONDS(X, Y) \ + ((1000000*((long long int)(X.tv_sec - Y.tv_sec))) + \ + (long long int)(X.tv_usec - Y.tv_usec)) + +/*---------------------------------------------------------------------------*/ +/* + * (unsigned char *)P pointer to next byte pair + * (long int *)X pointer to accumulating count + * (long int *)Y pointer to accumulating sum + * (long long int *)Z pointer to accumulating sum of squares + */ +/*---------------------------------------------------------------------------*/ +#define SUMMER(P, X, Y, Z) do { \ + unsigned char *p; \ + unsigned int u0, u1, u2; \ + long int s; \ + p = (unsigned char *)(P); \ + u0 = (unsigned int) (*p); \ + u1 = (unsigned int) (*(p + 1)); \ + u2 = (unsigned int) ((u1 << 8) | u0); \ + if (0x8000 & u2) \ + s = -(long int)(0x7FFF & (~u2)); \ + else \ + s = (long int)(0x7FFF & u2); \ + *((X)) += (long int) 1; \ + *((Y)) += (long int) s; \ + *((Z)) += ((long long int)(s) * (long long int)(s)); \ +} while (0) +/*---------------------------------------------------------------------------*/ + +#endif /*EASYCAP_H*/ |