diff options
| -rw-r--r-- | Documentation/video4linux/Zoran | 74 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran.h | 107 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_card.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/zoran/zoran_driver.c | 321 |
4 files changed, 4 insertions, 500 deletions
diff --git a/Documentation/video4linux/Zoran b/Documentation/video4linux/Zoran index 00e3f9267814..699b60e070d2 100644 --- a/Documentation/video4linux/Zoran +++ b/Documentation/video4linux/Zoran @@ -322,76 +322,11 @@ your IRQs and make sure the card has its own interrupts. 4. Programming interface -This driver conforms to video4linux and video4linux2, both can be used to -use the driver. Since video4linux didn't provide adequate calls to fully -use the cards' features, we've introduced several programming extensions, -which are currently officially accepted in the 2.4.x branch of the kernel. -These extensions are known as the v4l/mjpeg extensions. See zoran.h for -details (structs/ioctls). - -Information - video4linux: -http://linux.bytesex.org/v4l2/API.html -Documentation/video4linux/API.html -/usr/include/linux/videodev.h - -Information - video4linux/mjpeg extensions: -./zoran.h -(also see below) - -Information - video4linux2: -http://linuxtv.org -http://v4l2spec.bytesex.org/ -/usr/include/linux/videodev2.h - -More information on the video4linux/mjpeg extensions, by Serguei -Miridonovi and Rainer Johanni: --- -The ioctls for that interface are as follows: - -BUZIOC_G_PARAMS -BUZIOC_S_PARAMS - -Get and set the parameters of the buz. The user should always do a -BUZIOC_G_PARAMS (with a struct buz_params) to obtain the default -settings, change what he likes and then make a BUZIOC_S_PARAMS call. - -BUZIOC_REQBUFS - -Before being able to capture/playback, the user has to request -the buffers he is wanting to use. Fill the structure -zoran_requestbuffers with the size (recommended: 256*1024) and -the number (recommended 32 up to 256). There are no such restrictions -as for the Video for Linux buffers, you should LEAVE SUFFICIENT -MEMORY for your system however, else strange things will happen .... -On return, the zoran_requestbuffers structure contains number and -size of the actually allocated buffers. -You should use these numbers for doing a mmap of the buffers -into the user space. -The BUZIOC_REQBUFS ioctl also makes it happen, that the next mmap -maps the MJPEG buffer instead of the V4L buffers. - -BUZIOC_QBUF_CAPT -BUZIOC_QBUF_PLAY - -Queue a buffer for capture or playback. The first call also starts -streaming capture. When streaming capture is going on, you may -only queue further buffers or issue syncs until streaming -capture is switched off again with a argument of -1 to -a BUZIOC_QBUF_CAPT/BUZIOC_QBUF_PLAY ioctl. - -BUZIOC_SYNC - -Issue this ioctl when all buffers are queued. This ioctl will -block until the first buffer becomes free for saving its -data to disk (after BUZIOC_QBUF_CAPT) or for reuse (after BUZIOC_QBUF_PLAY). - -BUZIOC_G_STATUS - -Get the status of the input lines (video source connected/norm). +This driver conforms to video4linux2. Support for V4L1 and for the custom +zoran ioctls has been removed in kernel 2.6.38. For programming example, please, look at lavrec.c and lavplay.c code in -lavtools-1.2p2 package (URL: http://www.cicese.mx/) -and the 'examples' directory in the original Buz driver distribution. +the MJPEG-tools (http://mjpeg.sf.net/). Additional notes for software developers: @@ -402,9 +337,6 @@ Additional notes for software developers: standard is "more constant" for current country than geometry settings of a variety of TV capture cards which may work in ITU or square pixel format. --- -Please note that lavplay/lavrec are also included in the MJPEG-tools -(http://mjpeg.sf.net/). =========================== diff --git a/drivers/media/video/zoran/zoran.h b/drivers/media/video/zoran/zoran.h index 27f05551183f..4bb368e6fd47 100644 --- a/drivers/media/video/zoran/zoran.h +++ b/drivers/media/video/zoran/zoran.h @@ -33,15 +33,6 @@ #include <media/v4l2-device.h> -#define ZORAN_VIDMODE_PAL 0 -#define ZORAN_VIDMODE_NTSC 1 -#define ZORAN_VIDMODE_SECAM 2 - -struct zoran_requestbuffers { - unsigned long count; /* Number of buffers for MJPEG grabbing */ - unsigned long size; /* Size PER BUFFER in bytes */ -}; - struct zoran_sync { unsigned long frame; /* number of buffer that has been free'd */ unsigned long length; /* number of code bytes in buffer (capture only) */ @@ -49,102 +40,6 @@ struct zoran_sync { struct timeval timestamp; /* timestamp */ }; -struct zoran_status { - int input; /* Input channel, has to be set prior to BUZIOC_G_STATUS */ - int signal; /* Returned: 1 if valid video signal detected */ - int norm; /* Returned: ZORAN_VIDMODE_PAL or ZORAN_VIDMODE_NTSC */ - int color; /* Returned: 1 if color signal detected */ -}; - -struct zoran_params { - - /* The following parameters can only be queried */ - - int major_version; /* Major version number of driver */ - int minor_version; /* Minor version number of driver */ - - /* Main control parameters */ - - int input; /* Input channel: 0 = Composite, 1 = S-VHS */ - int norm; /* Norm: ZORAN_VIDMODE_PAL or ZORAN_VIDMODE_NTSC */ - int decimation; /* decimation of captured video, - * enlargement of video played back. - * Valid values are 1, 2, 4 or 0. - * 0 is a special value where the user - * has full control over video scaling */ - - /* The following parameters only have to be set if decimation==0, - * for other values of decimation they provide the data how the image is captured */ - - int HorDcm; /* Horizontal decimation: 1, 2 or 4 */ - int VerDcm; /* Vertical decimation: 1 or 2 */ - int TmpDcm; /* Temporal decimation: 1 or 2, - * if TmpDcm==2 in capture every second frame is dropped, - * in playback every frame is played twice */ - int field_per_buff; /* Number of fields per buffer: 1 or 2 */ - int img_x; /* start of image in x direction */ - int img_y; /* start of image in y direction */ - int img_width; /* image width BEFORE decimation, - * must be a multiple of HorDcm*16 */ - int img_height; /* image height BEFORE decimation, - * must be a multiple of VerDcm*8 */ - - /* --- End of parameters for decimation==0 only --- */ - - /* JPEG control parameters */ - - int quality; /* Measure for quality of compressed images. - * Scales linearly with the size of the compressed images. - * Must be beetween 0 and 100, 100 is a compression - * ratio of 1:4 */ - - int odd_even; /* Which field should come first ??? */ - - int APPn; /* Number of APP segment to be written, must be 0..15 */ - int APP_len; /* Length of data in JPEG APPn segment */ - char APP_data[60]; /* Data in the JPEG APPn segment. */ - - int COM_len; /* Length of data in JPEG COM segment */ - char COM_data[60]; /* Data in JPEG COM segment */ - - unsigned long jpeg_markers; /* Which markers should go into the JPEG output. - * Unless you exactly know what you do, leave them untouched. - * Inluding less markers will make the resulting code - * smaller, but there will be fewer applications - * which can read it. - * The presence of the APP and COM marker is - * influenced by APP0_len and COM_len ONLY! */ -#define JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ -#define JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ -#define JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ -#define JPEG_MARKER_COM (1<<6) /* Comment segment */ -#define JPEG_MARKER_APP (1<<7) /* App segment, driver will allways use APP0 */ - - int VFIFO_FB; /* Flag for enabling Video Fifo Feedback. - * If this flag is turned on and JPEG decompressing - * is going to the screen, the decompress process - * is stopped every time the Video Fifo is full. - * This enables a smooth decompress to the screen - * but the video output signal will get scrambled */ - - /* Misc */ - - char reserved[312]; /* Makes 512 bytes for this structure */ -}; - -/* -Private IOCTL to set up for displaying MJPEG -*/ -#define BUZIOC_G_PARAMS _IOR ('v', BASE_VIDIOC_PRIVATE+0, struct zoran_params) -#define BUZIOC_S_PARAMS _IOWR('v', BASE_VIDIOC_PRIVATE+1, struct zoran_params) -#define BUZIOC_REQBUFS _IOWR('v', BASE_VIDIOC_PRIVATE+2, struct zoran_requestbuffers) -#define BUZIOC_QBUF_CAPT _IOW ('v', BASE_VIDIOC_PRIVATE+3, int) -#define BUZIOC_QBUF_PLAY _IOW ('v', BASE_VIDIOC_PRIVATE+4, int) -#define BUZIOC_SYNC _IOR ('v', BASE_VIDIOC_PRIVATE+5, struct zoran_sync) -#define BUZIOC_G_STATUS _IOWR('v', BASE_VIDIOC_PRIVATE+6, struct zoran_status) - - -#ifdef __KERNEL__ #define MAJOR_VERSION 0 /* driver major version */ #define MINOR_VERSION 10 /* driver minor version */ @@ -507,6 +402,4 @@ static inline struct zoran *to_zoran(struct v4l2_device *v4l2_dev) #define btor(dat,adr) btwrite((dat) | btread(adr), adr) #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr) -#endif /* __kernel__ */ - #endif diff --git a/drivers/media/video/zoran/zoran_card.c b/drivers/media/video/zoran/zoran_card.c index e520abf9f4c3..9cdc3bb15b15 100644 --- a/drivers/media/video/zoran/zoran_card.c +++ b/drivers/media/video/zoran/zoran_card.c @@ -943,7 +943,7 @@ zoran_open_init_params (struct zoran *zr) memset(zr->jpg_settings.jpg_comp.COM_data, 0, sizeof(zr->jpg_settings.jpg_comp.COM_data)); zr->jpg_settings.jpg_comp.jpeg_markers = - JPEG_MARKER_DHT | JPEG_MARKER_DQT; + V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT; i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0); if (i) dprintk(1, KERN_ERR "%s: %s internal error\n", diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c index 67a52e844ae6..1b67b1914038 100644 --- a/drivers/media/video/zoran/zoran_driver.c +++ b/drivers/media/video/zoran/zoran_driver.c @@ -1528,323 +1528,6 @@ zoran_set_input (struct zoran *zr, * ioctl routine */ -#ifdef CONFIG_VIDEO_V4L1_COMPAT -static long zoran_default(struct file *file, void *__fh, int cmd, void *arg) -{ - struct zoran_fh *fh = __fh; - struct zoran *zr = fh->zr; - struct zoran_jpg_settings settings; - - switch (cmd) { - case BUZIOC_G_PARAMS: - { - struct zoran_params *bparams = arg; - - dprintk(3, KERN_DEBUG "%s: BUZIOC_G_PARAMS\n", ZR_DEVNAME(zr)); - - memset(bparams, 0, sizeof(struct zoran_params)); - bparams->major_version = MAJOR_VERSION; - bparams->minor_version = MINOR_VERSION; - - mutex_lock(&zr->resource_lock); - - if (zr->norm & V4L2_STD_NTSC) - bparams->norm = ZORAN_VIDMODE_NTSC; - else if (zr->norm & V4L2_STD_SECAM) - bparams->norm = ZORAN_VIDMODE_SECAM; - else - bparams->norm = ZORAN_VIDMODE_PAL; - - bparams->input = zr->input; - - bparams->decimation = fh->jpg_settings.decimation; - bparams->HorDcm = fh->jpg_settings.HorDcm; - bparams->VerDcm = fh->jpg_settings.VerDcm; - bparams->TmpDcm = fh->jpg_settings.TmpDcm; - bparams->field_per_buff = fh->jpg_settings.field_per_buff; - bparams->img_x = fh->jpg_settings.img_x; - bparams->img_y = fh->jpg_settings.img_y; - bparams->img_width = fh->jpg_settings.img_width; - bparams->img_height = fh->jpg_settings.img_height; - bparams->odd_even = fh->jpg_settings.odd_even; - - bparams->quality = fh->jpg_settings.jpg_comp.quality; - bparams->APPn = fh->jpg_settings.jpg_comp.APPn; - bparams->APP_len = fh->jpg_settings.jpg_comp.APP_len; - memcpy(bparams->APP_data, - fh->jpg_settings.jpg_comp.APP_data, - sizeof(bparams->APP_data)); - bparams->COM_len = zr->jpg_settings.jpg_comp.COM_len; - memcpy(bparams->COM_data, - fh->jpg_settings.jpg_comp.COM_data, - sizeof(bparams->COM_data)); - bparams->jpeg_markers = - fh->jpg_settings.jpg_comp.jpeg_markers; - - mutex_unlock(&zr->resource_lock); - - bparams->VFIFO_FB = 0; - - return 0; - } - - case BUZIOC_S_PARAMS: - { - struct zoran_params *bparams = arg; - int res = 0; - - dprintk(3, KERN_DEBUG "%s: BUZIOC_S_PARAMS\n", ZR_DEVNAME(zr)); - - settings.decimation = bparams->decimation; - settings.HorDcm = bparams->HorDcm; - settings.VerDcm = bparams->VerDcm; - settings.TmpDcm = bparams->TmpDcm; - settings.field_per_buff = bparams->field_per_buff; - settings.img_x = bparams->img_x; - settings.img_y = bparams->img_y; - settings.img_width = bparams->img_width; - settings.img_height = bparams->img_height; - settings.odd_even = bparams->odd_even; - - settings.jpg_comp.quality = bparams->quality; - settings.jpg_comp.APPn = bparams->APPn; - settings.jpg_comp.APP_len = bparams->APP_len; - memcpy(settings.jpg_comp.APP_data, bparams->APP_data, - sizeof(bparams->APP_data)); - settings.jpg_comp.COM_len = bparams->COM_len; - memcpy(settings.jpg_comp.COM_data, bparams->COM_data, - sizeof(bparams->COM_data)); - settings.jpg_comp.jpeg_markers = bparams->jpeg_markers; - - mutex_lock(&zr->resource_lock); - - if (zr->codec_mode != BUZ_MODE_IDLE) { - dprintk(1, - KERN_ERR - "%s: BUZIOC_S_PARAMS called, but Buz in capture/playback mode\n", - ZR_DEVNAME(zr)); - res = -EINVAL; - goto sparams_unlock_and_return; - } - - /* Check the params first before overwriting our - * nternal values */ - if (zoran_check_jpg_settings(zr, &settings, 0)) { - res = -EINVAL; - goto sparams_unlock_and_return; - } - - fh->jpg_settings = settings; -sparams_unlock_and_return: - mutex_unlock(&zr->resource_lock); - - return res; - } - - case BUZIOC_REQBUFS: - { - struct zoran_requestbuffers *breq = arg; - int res = 0; - - dprintk(3, - KERN_DEBUG - "%s: BUZIOC_REQBUFS - count=%lu, size=%lu\n", - ZR_DEVNAME(zr), breq->count, breq->size); - - /* Enforce reasonable lower and upper limits */ - if (breq->count < 4) - breq->count = 4; /* Could be choosen smaller */ - if (breq->count > jpg_nbufs) - breq->count = jpg_nbufs; - breq->size = PAGE_ALIGN(breq->size); - if (breq->size < 8192) - breq->size = 8192; /* Arbitrary */ - /* breq->size is limited by 1 page for the stat_com - * tables to a Maximum of 2 MB */ - if (breq->size > jpg_bufsize) - breq->size = jpg_bufsize; - - mutex_lock(&zr->resource_lock); - - if (fh->buffers.allocated) { - dprintk(1, - KERN_ERR - "%s: BUZIOC_REQBUFS - buffers already allocated\n", - ZR_DEVNAME(zr)); - res = -EBUSY; - goto jpgreqbuf_unlock_and_return; - } - - /* The next mmap will map the MJPEG buffers - could - * also be *_PLAY, but it doesn't matter here */ - map_mode_jpg(fh, 0); - fh->buffers.num_buffers = breq->count; - fh->buffers.buffer_size = breq->size; - - if (jpg_fbuffer_alloc(fh)) { - res = -ENOMEM; - goto jpgreqbuf_unlock_and_return; - } - -jpgreqbuf_unlock_and_return: - mutex_unlock(&zr->resource_lock); - - return res; - } - - case BUZIOC_QBUF_CAPT: - { - int *frame = arg, res; - - dprintk(3, KERN_DEBUG "%s: BUZIOC_QBUF_CAPT - frame=%d\n", - ZR_DEVNAME(zr), *frame); - - mutex_lock(&zr->resource_lock); - res = jpg_qbuf(fh, *frame, BUZ_MODE_MOTION_COMPRESS); - mutex_unlock(&zr->resource_lock); - - return res; - } - - case BUZIOC_QBUF_PLAY: - { - int *frame = arg, res; - - dprintk(3, KERN_DEBUG "%s: BUZIOC_QBUF_PLAY - frame=%d\n", - ZR_DEVNAME(zr), *frame); - - mutex_lock(&zr->resource_lock); - res = jpg_qbuf(fh, *frame, BUZ_MODE_MOTION_DECOMPRESS); - mutex_unlock(&zr->resource_lock); - - return res; - } - - case BUZIOC_SYNC: - { - struct zoran_sync *bsync = arg; - int res; - - dprintk(3, KERN_DEBUG "%s: BUZIOC_SYNC\n", ZR_DEVNAME(zr)); - - mutex_lock(&zr->resource_lock); - - if (fh->map_mode == ZORAN_MAP_MODE_RAW) { - dprintk(2, KERN_WARNING - "%s: %s - not in jpg capture mode\n", - ZR_DEVNAME(zr), __func__); - res = -EINVAL; - } else { - res = jpg_sync(fh, bsync); - } - mutex_unlock(&zr->resource_lock); - - return res; - } - - case BUZIOC_G_STATUS: - { - struct zoran_status *bstat = arg; - int status = 0, res = 0; - v4l2_std_id norm; - - dprintk(3, KERN_DEBUG "%s: BUZIOC_G_STATUS\n", ZR_DEVNAME(zr)); - - if (zr->codec_mode != BUZ_MODE_IDLE) { - dprintk(1, - KERN_ERR - "%s: BUZIOC_G_STATUS called but Buz in capture/playback mode\n", - ZR_DEVNAME(zr)); - return -EINVAL; - } - - mutex_lock(&zr->resource_lock); - - if (zr->codec_mode != BUZ_MODE_IDLE) { - dprintk(1, - KERN_ERR - "%s: BUZIOC_G_STATUS called, but Buz in capture/playback mode\n", - ZR_DEVNAME(zr)); - res = -EINVAL; - goto gstat_unlock_and_return; - } - - decoder_call(zr, video, s_routing, - zr->card.input[bstat->input].muxsel, 0, 0); - - /* sleep 1 second */ - ssleep(1); - - /* Get status of video decoder */ - decoder_call(zr, video, querystd, &norm); - decoder_call(zr, video, g_input_status, &status); - - /* restore previous input and norm */ - decoder_call(zr, video, s_routing, - zr->card.input[zr->input].muxsel, 0, 0); -gstat_unlock_and_return: - mutex_unlock(&zr->resource_lock); - - if (!res) { - bstat->signal = - (status & V4L2_IN_ST_NO_SIGNAL) ? 0 : 1; - if (norm & V4L2_STD_NTSC) - bstat->norm = ZORAN_VIDMODE_NTSC; - else if (norm & V4L2_STD_SECAM) - bstat->norm = ZORAN_VIDMODE_SECAM; - else - bstat->norm = ZORAN_VIDMODE_PAL; - - bstat->color = - (status & V4L2_IN_ST_NO_COLOR) ? 0 : 1; - } - - return res; - } - - default: - return -EINVAL; - } -} - -static int zoran_vidiocgmbuf(struct file *file, void *__fh, struct video_mbuf *vmbuf) -{ - struct zoran_fh *fh = __fh; - struct zoran *zr = fh->zr; - int i, res = 0; - - - mutex_lock(&zr->resource_lock); - - if (fh->buffers.allocated) { - dprintk(1, - KERN_ERR - "%s: VIDIOCGMBUF - buffers already allocated\n", - ZR_DEVNAME(zr)); - res = -EINVAL; - goto v4l1reqbuf_unlock_and_return; - } - - /* The next mmap will map the V4L buffers */ - map_mode_raw(fh); - - if (v4l_fbuffer_alloc(fh)) { - res = -ENOMEM; - goto v4l1reqbuf_unlock_and_return; - } - - vmbuf->size = fh->buffers.num_buffers * fh->buffers.buffer_size; - vmbuf->frames = fh->buffers.num_buffers; - for (i = 0; i < vmbuf->frames; i++) - vmbuf->offsets[i] = i * fh->buffers.buffer_size; - -v4l1reqbuf_unlock_and_return: - mutex_unlock(&zr->resource_lock); - - return res; -} -#endif - static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability *cap) { struct zoran_fh *fh = __fh; @@ -3364,10 +3047,6 @@ static const struct v4l2_ioctl_ops zoran_ioctl_ops = { .vidioc_queryctrl = zoran_queryctrl, .vidioc_s_ctrl = zoran_s_ctrl, .vidioc_g_ctrl = zoran_g_ctrl, -#ifdef CONFIG_VIDEO_V4L1_COMPAT - .vidioc_default = zoran_default, - .vidiocgmbuf = zoran_vidiocgmbuf, -#endif }; /* please use zr->resource_lock consistently and kill this wrapper */ |