diff options
Diffstat (limited to 'drivers/media/video/v4l1-compat.c')
| -rw-r--r-- | drivers/media/video/v4l1-compat.c | 1737 |
1 files changed, 965 insertions, 772 deletions
diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index 50e1ff9f2be..a0f6c60279e 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -39,15 +39,18 @@ #include <linux/kmod.h> #endif -static unsigned int debug = 0; +static unsigned int debug; module_param(debug, int, 0644); -MODULE_PARM_DESC(debug,"enable debug messages"); +MODULE_PARM_DESC(debug, "enable debug messages"); MODULE_AUTHOR("Bill Dirks"); MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers."); MODULE_LICENSE("GPL"); -#define dprintk(fmt, arg...) if (debug) \ - printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg) +#define dprintk(fmt, arg...) \ + do { \ + if (debug) \ + printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg);\ + } while (0) /* * I O C T L T R A N S L A T I O N @@ -69,14 +72,12 @@ get_v4l_control(struct inode *inode, qctrl2.id = cid; err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2); if (err < 0) - dprintk("VIDIOC_QUERYCTRL: %d\n",err); - if (err == 0 && - !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) - { + dprintk("VIDIOC_QUERYCTRL: %d\n", err); + if (err == 0 && !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) { ctrl2.id = qctrl2.id; err = drv(inode, file, VIDIOC_G_CTRL, &ctrl2); if (err < 0) { - dprintk("VIDIOC_G_CTRL: %d\n",err); + dprintk("VIDIOC_G_CTRL: %d\n", err); return 0; } return ((ctrl2.value - qctrl2.minimum) * 65535 @@ -100,11 +101,10 @@ set_v4l_control(struct inode *inode, qctrl2.id = cid; err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2); if (err < 0) - dprintk("VIDIOC_QUERYCTRL: %d\n",err); + dprintk("VIDIOC_QUERYCTRL: %d\n", err); if (err == 0 && !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) && - !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) - { + !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) { if (value < 0) value = 0; if (value > 65535) @@ -119,14 +119,14 @@ set_v4l_control(struct inode *inode, ctrl2.value += qctrl2.minimum; err = drv(inode, file, VIDIOC_S_CTRL, &ctrl2); if (err < 0) - dprintk("VIDIOC_S_CTRL: %d\n",err); + dprintk("VIDIOC_S_CTRL: %d\n", err); } return 0; } /* ----------------------------------------------------------------- */ -const static unsigned int palette2pixelformat[] = { +static const unsigned int palette2pixelformat[] = { [VIDEO_PALETTE_GREY] = V4L2_PIX_FMT_GREY, [VIDEO_PALETTE_RGB555] = V4L2_PIX_FMT_RGB555, [VIDEO_PALETTE_RGB565] = V4L2_PIX_FMT_RGB565, @@ -157,8 +157,7 @@ static unsigned int __attribute_const__ pixelformat_to_palette(unsigned int pixelformat) { int palette = 0; - switch (pixelformat) - { + switch (pixelformat) { case V4L2_PIX_FMT_GREY: palette = VIDEO_PALETTE_GREY; break; @@ -200,14 +199,13 @@ pixelformat_to_palette(unsigned int pixelformat) /* ----------------------------------------------------------------- */ -static int poll_one(struct file *file) +static int poll_one(struct file *file, struct poll_wqueues *pwq) { int retval = 1; poll_table *table; - struct poll_wqueues pwq; - poll_initwait(&pwq); - table = &pwq.pt; + poll_initwait(pwq); + table = &pwq->pt; for (;;) { int mask; set_current_state(TASK_INTERRUPTIBLE); @@ -222,878 +220,1073 @@ static int poll_one(struct file *file) schedule(); } set_current_state(TASK_RUNNING); - poll_freewait(&pwq); + poll_freewait(pwq); return retval; } -static int count_inputs(struct inode *inode, - struct file *file, - v4l2_kioctl drv) +static int count_inputs( + struct inode *inode, + struct file *file, + v4l2_kioctl drv) { struct v4l2_input input2; int i; for (i = 0;; i++) { - memset(&input2,0,sizeof(input2)); + memset(&input2, 0, sizeof(input2)); input2.index = i; - if (0 != drv(inode,file,VIDIOC_ENUMINPUT, &input2)) + if (0 != drv(inode, file, VIDIOC_ENUMINPUT, &input2)) break; } return i; } -static int check_size(struct inode *inode, - struct file *file, - v4l2_kioctl drv, - int *maxw, int *maxh) +static int check_size( + struct inode *inode, + struct file *file, + v4l2_kioctl drv, + int *maxw, + int *maxh) { struct v4l2_fmtdesc desc2; struct v4l2_format fmt2; - memset(&desc2,0,sizeof(desc2)); - memset(&fmt2,0,sizeof(fmt2)); + memset(&desc2, 0, sizeof(desc2)); + memset(&fmt2, 0, sizeof(fmt2)); desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - if (0 != drv(inode,file,VIDIOC_ENUM_FMT, &desc2)) + if (0 != drv(inode, file, VIDIOC_ENUM_FMT, &desc2)) goto done; fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; fmt2.fmt.pix.width = 10000; fmt2.fmt.pix.height = 10000; fmt2.fmt.pix.pixelformat = desc2.pixelformat; - if (0 != drv(inode,file,VIDIOC_TRY_FMT, &fmt2)) + if (0 != drv(inode, file, VIDIOC_TRY_FMT, &fmt2)) goto done; *maxw = fmt2.fmt.pix.width; *maxh = fmt2.fmt.pix.height; - done: +done: return 0; } /* ----------------------------------------------------------------- */ -/* - * This function is exported. - */ -int -v4l_compat_translate_ioctl(struct inode *inode, - struct file *file, - int cmd, - void *arg, - v4l2_kioctl drv) +static noinline int v4l1_compat_get_capabilities( + struct video_capability *cap, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) { - struct v4l2_capability *cap2 = NULL; - struct v4l2_format *fmt2 = NULL; - enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE; - - struct v4l2_framebuffer fbuf2; - struct v4l2_input input2; - struct v4l2_tuner tun2; - struct v4l2_standard std2; - struct v4l2_frequency freq2; - struct v4l2_audio aud2; - struct v4l2_queryctrl qctrl2; - struct v4l2_buffer buf2; - v4l2_std_id sid; - int i, err = 0; - - switch (cmd) { - case VIDIOCGCAP: /* capability */ - { - struct video_capability *cap = arg; - - cap2 = kzalloc(sizeof(*cap2), GFP_KERNEL); - if (!cap2) { - err = -ENOMEM; - break; - } - memset(cap, 0, sizeof(*cap)); - memset(&fbuf2, 0, sizeof(fbuf2)); + int err; + struct v4l2_framebuffer fbuf; + struct v4l2_capability *cap2; + + cap2 = kzalloc(sizeof(*cap2), GFP_KERNEL); + if (!cap2) { + err = -ENOMEM; + return err; + } + memset(cap, 0, sizeof(*cap)); + memset(&fbuf, 0, sizeof(fbuf)); - err = drv(inode, file, VIDIOC_QUERYCAP, cap2); + err = drv(inode, file, VIDIOC_QUERYCAP, cap2); + if (err < 0) { + dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n", err); + goto done; + } + if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) { + err = drv(inode, file, VIDIOC_G_FBUF, &fbuf); if (err < 0) { - dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n",err); - break; + dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n", err); + memset(&fbuf, 0, sizeof(fbuf)); } - if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) { - err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); - if (err < 0) { - dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n",err); - memset(&fbuf2, 0, sizeof(fbuf2)); - } - err = 0; - } - - memcpy(cap->name, cap2->card, - min(sizeof(cap->name), sizeof(cap2->card))); - cap->name[sizeof(cap->name) - 1] = 0; - if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE) - cap->type |= VID_TYPE_CAPTURE; - if (cap2->capabilities & V4L2_CAP_TUNER) - cap->type |= VID_TYPE_TUNER; - if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE) - cap->type |= VID_TYPE_TELETEXT; - if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) - cap->type |= VID_TYPE_OVERLAY; - if (fbuf2.capability & V4L2_FBUF_CAP_LIST_CLIPPING) - cap->type |= VID_TYPE_CLIPPING; - - cap->channels = count_inputs(inode,file,drv); - check_size(inode,file,drv, - &cap->maxwidth,&cap->maxheight); - cap->audios = 0; /* FIXME */ - cap->minwidth = 48; /* FIXME */ - cap->minheight = 32; /* FIXME */ - break; + err = 0; } - case VIDIOCGFBUF: /* get frame buffer */ - { - struct video_buffer *buffer = arg; - memset(buffer, 0, sizeof(*buffer)); - memset(&fbuf2, 0, sizeof(fbuf2)); + memcpy(cap->name, cap2->card, + min(sizeof(cap->name), sizeof(cap2->card))); + cap->name[sizeof(cap->name) - 1] = 0; + if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE) + cap->type |= VID_TYPE_CAPTURE; + if (cap2->capabilities & V4L2_CAP_TUNER) + cap->type |= VID_TYPE_TUNER; + if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE) + cap->type |= VID_TYPE_TELETEXT; + if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) + cap->type |= VID_TYPE_OVERLAY; + if (fbuf.capability & V4L2_FBUF_CAP_LIST_CLIPPING) + cap->type |= VID_TYPE_CLIPPING; + + cap->channels = count_inputs(inode, file, drv); + check_size(inode, file, drv, + &cap->maxwidth, &cap->maxheight); + cap->audios = 0; /* FIXME */ + cap->minwidth = 48; /* FIXME */ + cap->minheight = 32; /* FIXME */ + +done: + kfree(cap2); + return err; +} - err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); - if (err < 0) { - dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err); - break; - } - buffer->base = fbuf2.base; - buffer->height = fbuf2.fmt.height; - buffer->width = fbuf2.fmt.width; +static noinline int v4l1_compat_get_frame_buffer( + struct video_buffer *buffer, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_framebuffer fbuf; - switch (fbuf2.fmt.pixelformat) { - case V4L2_PIX_FMT_RGB332: - buffer->depth = 8; - break; - case V4L2_PIX_FMT_RGB555: - buffer->depth = 15; - break; - case V4L2_PIX_FMT_RGB565: - buffer->depth = 16; - break; - case V4L2_PIX_FMT_BGR24: - buffer->depth = 24; - break; - case V4L2_PIX_FMT_BGR32: - buffer->depth = 32; - break; - default: - buffer->depth = 0; - } - if (fbuf2.fmt.bytesperline) { - buffer->bytesperline = fbuf2.fmt.bytesperline; - if (!buffer->depth && buffer->width) - buffer->depth = ((fbuf2.fmt.bytesperline<<3) - + (buffer->width-1) ) - /buffer->width; - } else { - buffer->bytesperline = - (buffer->width * buffer->depth + 7) & 7; - buffer->bytesperline >>= 3; - } + memset(buffer, 0, sizeof(*buffer)); + memset(&fbuf, 0, sizeof(fbuf)); + + err = drv(inode, file, VIDIOC_G_FBUF, &fbuf); + if (err < 0) { + dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n", err); + goto done; + } + buffer->base = fbuf.base; + buffer->height = fbuf.fmt.height; + buffer->width = fbuf.fmt.width; + + switch (fbuf.fmt.pixelformat) { + case V4L2_PIX_FMT_RGB332: + buffer->depth = 8; + break; + case V4L2_PIX_FMT_RGB555: + buffer->depth = 15; + break; + case V4L2_PIX_FMT_RGB565: + buffer->depth = 16; + break; + case V4L2_PIX_FMT_BGR24: + buffer->depth = 24; + break; + case V4L2_PIX_FMT_BGR32: + buffer->depth = 32; break; + default: + buffer->depth = 0; } - case VIDIOCSFBUF: /* set frame buffer */ - { - struct video_buffer *buffer = arg; - - memset(&fbuf2, 0, sizeof(fbuf2)); - fbuf2.base = buffer->base; - fbuf2.fmt.height = buffer->height; - fbuf2.fmt.width = buffer->width; - switch (buffer->depth) { - case 8: - fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB332; - break; - case 15: - fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB555; - break; - case 16: - fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB565; - break; - case 24: - fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR24; - break; - case 32: - fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR32; - break; - } - fbuf2.fmt.bytesperline = buffer->bytesperline; - err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2); - if (err < 0) - dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n",err); + if (fbuf.fmt.bytesperline) { + buffer->bytesperline = fbuf.fmt.bytesperline; + if (!buffer->depth && buffer->width) + buffer->depth = ((fbuf.fmt.bytesperline<<3) + + (buffer->width-1)) + / buffer->width; + } else { + buffer->bytesperline = + (buffer->width * buffer->depth + 7) & 7; + buffer->bytesperline >>= 3; + } +done: + return err; +} + +static noinline int v4l1_compat_set_frame_buffer( + struct video_buffer *buffer, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_framebuffer fbuf; + + memset(&fbuf, 0, sizeof(fbuf)); + fbuf.base = buffer->base; + fbuf.fmt.height = buffer->height; + fbuf.fmt.width = buffer->width; + switch (buffer->depth) { + case 8: + fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB332; + break; + case 15: + fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB555; + break; + case 16: + fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB565; + break; + case 24: + fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR24; + break; + case 32: + fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR32; break; } - case VIDIOCGWIN: /* get window or capture dimensions */ - { - struct video_window *win = arg; + fbuf.fmt.bytesperline = buffer->bytesperline; + err = drv(inode, file, VIDIOC_S_FBUF, &fbuf); + if (err < 0) + dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n", err); + return err; +} - fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); - if (!fmt2) { - err = -ENOMEM; - break; - } - memset(win,0,sizeof(*win)); +static noinline int v4l1_compat_get_win_cap_dimensions( + struct video_window *win, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_format *fmt; - fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; - err = drv(inode, file, VIDIOC_G_FMT, fmt2); - if (err < 0) - dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n",err); - if (err == 0) { - win->x = fmt2->fmt.win.w.left; - win->y = fmt2->fmt.win.w.top; - win->width = fmt2->fmt.win.w.width; - win->height = fmt2->fmt.win.w.height; - win->chromakey = fmt2->fmt.win.chromakey; - win->clips = NULL; - win->clipcount = 0; - break; - } + fmt = kzalloc(sizeof(*fmt), GFP_KERNEL); + if (!fmt) { + err = -ENOMEM; + return err; + } + memset(win, 0, sizeof(*win)); - fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - err = drv(inode, file, VIDIOC_G_FMT, fmt2); - if (err < 0) { - dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n",err); - break; - } - win->x = 0; - win->y = 0; - win->width = fmt2->fmt.pix.width; - win->height = fmt2->fmt.pix.height; - win->chromakey = 0; + fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; + err = drv(inode, file, VIDIOC_G_FMT, fmt); + if (err < 0) + dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n", err); + if (err == 0) { + win->x = fmt->fmt.win.w.left; + win->y = fmt->fmt.win.w.top; + win->width = fmt->fmt.win.w.width; + win->height = fmt->fmt.win.w.height; + win->chromakey = fmt->fmt.win.chromakey; win->clips = NULL; win->clipcount = 0; - break; + goto done; } - case VIDIOCSWIN: /* set window and/or capture dimensions */ - { - struct video_window *win = arg; - int err1,err2; - fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); - if (!fmt2) { - err = -ENOMEM; - break; - } - fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type); - err1 = drv(inode, file, VIDIOC_G_FMT, fmt2); - if (err1 < 0) - dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n",err); - if (err1 == 0) { - fmt2->fmt.pix.width = win->width; - fmt2->fmt.pix.height = win->height; - fmt2->fmt.pix.field = V4L2_FIELD_ANY; - fmt2->fmt.pix.bytesperline = 0; - err = drv(inode, file, VIDIOC_S_FMT, fmt2); - if (err < 0) - dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n", - err); - win->width = fmt2->fmt.pix.width; - win->height = fmt2->fmt.pix.height; - } + fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + err = drv(inode, file, VIDIOC_G_FMT, fmt); + if (err < 0) { + dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n", err); + goto done; + } + win->x = 0; + win->y = 0; + win->width = fmt->fmt.pix.width; + win->height = fmt->fmt.pix.height; + win->chromakey = 0; + win->clips = NULL; + win->clipcount = 0; +done: + kfree(fmt); + return err; +} - memset(fmt2,0,sizeof(*fmt2)); - fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; - fmt2->fmt.win.w.left = win->x; - fmt2->fmt.win.w.top = win->y; - fmt2->fmt.win.w.width = win->width; - fmt2->fmt.win.w.height = win->height; - fmt2->fmt.win.chromakey = win->chromakey; - fmt2->fmt.win.clips = (void __user *)win->clips; - fmt2->fmt.win.clipcount = win->clipcount; - err2 = drv(inode, file, VIDIOC_S_FMT, fmt2); - if (err2 < 0) - dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n",err); - - if (err1 != 0 && err2 != 0) - err = err1; - break; +static noinline int v4l1_compat_set_win_cap_dimensions( + struct video_window *win, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err, err1, err2; + struct v4l2_format *fmt; + + fmt = kzalloc(sizeof(*fmt), GFP_KERNEL); + if (!fmt) { + err = -ENOMEM; + return err; } - case VIDIOCCAPTURE: /* turn on/off preview */ - { - int *on = arg; - - if (0 == *on) { - /* dirty hack time. But v4l1 has no STREAMOFF - * equivalent in the API, and this one at - * least comes close ... */ - drv(inode, file, VIDIOC_STREAMOFF, &captype); - } - err = drv(inode, file, VIDIOC_OVERLAY, arg); + fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + drv(inode, file, VIDIOC_STREAMOFF, &fmt->type); + err1 = drv(inode, file, VIDIOC_G_FMT, fmt); + if (err1 < 0) + dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n", err1); + if (err1 == 0) { + fmt->fmt.pix.width = win->width; + fmt->fmt.pix.height = win->height; + fmt->fmt.pix.field = V4L2_FIELD_ANY; + fmt->fmt.pix.bytesperline = 0; + err = drv(inode, file, VIDIOC_S_FMT, fmt); if (err < 0) - dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n",err); - break; + dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n", + err); + win->width = fmt->fmt.pix.width; + win->height = fmt->fmt.pix.height; } - case VIDIOCGCHAN: /* get input information */ - { - struct video_channel *chan = arg; - memset(&input2,0,sizeof(input2)); - input2.index = chan->channel; - err = drv(inode, file, VIDIOC_ENUMINPUT, &input2); - if (err < 0) { - dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: " - "channel=%d err=%d\n",chan->channel,err); - break; - } - chan->channel = input2.index; - memcpy(chan->name, input2.name, - min(sizeof(chan->name), sizeof(input2.name))); - chan->name[sizeof(chan->name) - 1] = 0; - chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0; - chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0; - switch (input2.type) { - case V4L2_INPUT_TYPE_TUNER: - chan->type = VIDEO_TYPE_TV; - break; - default: - case V4L2_INPUT_TYPE_CAMERA: - chan->type = VIDEO_TYPE_CAMERA; - break; - } - chan->norm = 0; - err = drv(inode, file, VIDIOC_G_STD, &sid); - if (err < 0) - dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n",err); - if (err == 0) { - if (sid & V4L2_STD_PAL) - chan->norm = VIDEO_MODE_PAL; - if (sid & V4L2_STD_NTSC) - chan->norm = VIDEO_MODE_NTSC; - if (sid & V4L2_STD_SECAM) - chan->norm = VIDEO_MODE_SECAM; - } - break; - } - case VIDIOCSCHAN: /* set input */ - { - struct video_channel *chan = arg; + memset(fmt, 0, sizeof(*fmt)); + fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; + fmt->fmt.win.w.left = win->x; + fmt->fmt.win.w.top = win->y; + fmt->fmt.win.w.width = win->width; + fmt->fmt.win.w.height = win->height; + fmt->fmt.win.chromakey = win->chromakey; + fmt->fmt.win.clips = (void __user *)win->clips; + fmt->fmt.win.clipcount = win->clipcount; + err2 = drv(inode, file, VIDIOC_S_FMT, fmt); + if (err2 < 0) + dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n", err2); + + if (err1 != 0 && err2 != 0) + err = err1; + else + err = 0; + kfree(fmt); + return err; +} - sid = 0; - err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel); - if (err < 0) - dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n",err); - switch (chan->norm) { - case VIDEO_MODE_PAL: - sid = V4L2_STD_PAL; - break; - case VIDEO_MODE_NTSC: - sid = V4L2_STD_NTSC; - break; - case VIDEO_MODE_SECAM: - sid = V4L2_STD_SECAM; - break; - } - if (0 != sid) { - err = drv(inode, file, VIDIOC_S_STD, &sid); - if (err < 0) - dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n",err); - } - break; +static noinline int v4l1_compat_turn_preview_on_off( + int *on, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE; + + if (0 == *on) { + /* dirty hack time. But v4l1 has no STREAMOFF + * equivalent in the API, and this one at + * least comes close ... */ + drv(inode, file, VIDIOC_STREAMOFF, &captype); } - case VIDIOCGPICT: /* get tone controls & partial capture format */ - { - struct video_picture *pict = arg; - - fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); - if (!fmt2) { - err = -ENOMEM; - break; - } + err = drv(inode, file, VIDIOC_OVERLAY, on); + if (err < 0) + dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n", err); + return err; +} - pict->brightness = get_v4l_control(inode, file, - V4L2_CID_BRIGHTNESS,drv); - pict->hue = get_v4l_control(inode, file, - V4L2_CID_HUE, drv); - pict->contrast = get_v4l_control(inode, file, - V4L2_CID_CONTRAST, drv); - pict->colour = get_v4l_control(inode, file, - V4L2_CID_SATURATION, drv); - pict->whiteness = get_v4l_control(inode, file, - V4L2_CID_WHITENESS, drv); - - fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - err = drv(inode, file, VIDIOC_G_FMT, fmt2); - if (err < 0) { - dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n",err); - break; - } +static noinline int v4l1_compat_get_input_info( + struct video_channel *chan, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_input input2; + v4l2_std_id sid; - pict->depth = ((fmt2->fmt.pix.bytesperline<<3) - + (fmt2->fmt.pix.width-1) ) - /fmt2->fmt.pix.width; - pict->palette = pixelformat_to_palette( - fmt2->fmt.pix.pixelformat); + memset(&input2, 0, sizeof(input2)); + input2.index = chan->channel; + err = drv(inode, file, VIDIOC_ENUMINPUT, &input2); + if (err < 0) { + dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: " + "channel=%d err=%d\n", chan->channel, err); + goto done; + } + chan->channel = input2.index; + memcpy(chan->name, input2.name, + min(sizeof(chan->name), sizeof(input2.name))); + chan->name[sizeof(chan->name) - 1] = 0; + chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0; + chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0; + switch (input2.type) { + case V4L2_INPUT_TYPE_TUNER: + chan->type = VIDEO_TYPE_TV; + break; + default: + case V4L2_INPUT_TYPE_CAMERA: + chan->type = VIDEO_TYPE_CAMERA; break; } - case VIDIOCSPICT: /* set tone controls & partial capture format */ - { - struct video_picture *pict = arg; - int mem_err = 0, ovl_err = 0; + chan->norm = 0; + err = drv(inode, file, VIDIOC_G_STD, &sid); + if (err < 0) + dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n", err); + if (err == 0) { + if (sid & V4L2_STD_PAL) + chan->norm = VIDEO_MODE_PAL; + if (sid & V4L2_STD_NTSC) + chan->norm = VIDEO_MODE_NTSC; + if (sid & V4L2_STD_SECAM) + chan->norm = VIDEO_MODE_SECAM; + } +done: + return err; +} - fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); - if (!fmt2) { - err = -ENOMEM; - break; - } - memset(&fbuf2, 0, sizeof(fbuf2)); - - set_v4l_control(inode, file, - V4L2_CID_BRIGHTNESS, pict->brightness, drv); - set_v4l_control(inode, file, - V4L2_CID_HUE, pict->hue, drv); - set_v4l_control(inode, file, - V4L2_CID_CONTRAST, pict->contrast, drv); - set_v4l_control(inode, file, - V4L2_CID_SATURATION, pict->colour, drv); - set_v4l_control(inode, file, - V4L2_CID_WHITENESS, pict->whiteness, drv); - /* - * V4L1 uses this ioctl to set both memory capture and overlay - * pixel format, while V4L2 has two different ioctls for this. - * Some cards may not support one or the other, and may support - * different pixel formats for memory vs overlay. - */ - - fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - err = drv(inode, file, VIDIOC_G_FMT, fmt2); - /* If VIDIOC_G_FMT failed, then the driver likely doesn't - support memory capture. Trying to set the memory capture - parameters would be pointless. */ - if (err < 0) { - dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n",err); - mem_err = -1000; /* didn't even try */ - } else if (fmt2->fmt.pix.pixelformat != - palette_to_pixelformat(pict->palette)) { - fmt2->fmt.pix.pixelformat = palette_to_pixelformat( - pict->palette); - mem_err = drv(inode, file, VIDIOC_S_FMT, fmt2); - if (mem_err < 0) - dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n", - mem_err); - } +static noinline int v4l1_compat_set_input( + struct video_channel *chan, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + v4l2_std_id sid = 0; - err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); - /* If VIDIOC_G_FBUF failed, then the driver likely doesn't - support overlay. Trying to set the overlay parameters - would be quite pointless. */ - if (err < 0) { - dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n",err); - ovl_err = -1000; /* didn't even try */ - } else if (fbuf2.fmt.pixelformat != - palette_to_pixelformat(pict->palette)) { - fbuf2.fmt.pixelformat = palette_to_pixelformat( - pict->palette); - ovl_err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2); - if (ovl_err < 0) - dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n", - ovl_err); - } - if (ovl_err < 0 && mem_err < 0) - /* ioctl failed, couldn't set either parameter */ - if (mem_err != -1000) { - err = mem_err; - } else if (ovl_err == -EPERM) { - err = 0; - } else { - err = ovl_err; - } - else - err = 0; + err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel); + if (err < 0) + dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n", err); + switch (chan->norm) { + case VIDEO_MODE_PAL: + sid = V4L2_STD_PAL; + break; + case VIDEO_MODE_NTSC: + sid = V4L2_STD_NTSC; + break; + case VIDEO_MODE_SECAM: + sid = V4L2_STD_SECAM; break; } - case VIDIOCGTUNER: /* get tuner information */ - { - struct video_tuner *tun = arg; - - memset(&tun2,0,sizeof(tun2)); - err = drv(inode, file, VIDIOC_G_TUNER, &tun2); - if (err < 0) { - dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n",err); - break; - } - memcpy(tun->name, tun2.name, - min(sizeof(tun->name), sizeof(tun2.name))); - tun->name[sizeof(tun->name) - 1] = 0; - tun->rangelow = tun2.rangelow; - tun->rangehigh = tun2.rangehigh; - tun->flags = 0; - tun->mode = VIDEO_MODE_AUTO; - - for (i = 0; i < 64; i++) { - memset(&std2,0,sizeof(std2)); - std2.index = i; - if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2)) - break; - if (std2.id & V4L2_STD_PAL) - tun->flags |= VIDEO_TUNER_PAL; - if (std2.id & V4L2_STD_NTSC) - tun->flags |= VIDEO_TUNER_NTSC; - if (std2.id & V4L2_STD_SECAM) - tun->flags |= VIDEO_TUNER_SECAM; - } - - err = drv(inode, file, VIDIOC_G_STD, &sid); + if (0 != sid) { + err = drv(inode, file, VIDIOC_S_STD, &sid); if (err < 0) - dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n",err); - if (err == 0) { - if (sid & V4L2_STD_PAL) - tun->mode = VIDEO_MODE_PAL; - if (sid & V4L2_STD_NTSC) - tun->mode = VIDEO_MODE_NTSC; - if (sid & V4L2_STD_SECAM) - tun->mode = VIDEO_MODE_SECAM; - } - - if (tun2.capability & V4L2_TUNER_CAP_LOW) - tun->flags |= VIDEO_TUNER_LOW; - if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO) - tun->flags |= VIDEO_TUNER_STEREO_ON; - tun->signal = tun2.signal; - break; + dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n", err); } - case VIDIOCSTUNER: /* select a tuner input */ - { - struct video_tuner *tun = arg; - struct v4l2_tuner t; - memset(&t,0,sizeof(t)); - - t.index=tun->tuner; + return err; +} - err = drv(inode, file, VIDIOC_S_INPUT, &t); - if (err < 0) - dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n",err); +static noinline int v4l1_compat_get_picture( + struct video_picture *pict, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_format *fmt; - break; + fmt = kzalloc(sizeof(*fmt), GFP_KERNEL); + if (!fmt) { + err = -ENOMEM; + return err; } - case VIDIOCGFREQ: /* get frequency */ - { - unsigned long *freq = arg; - memset(&freq2,0,sizeof(freq2)); - freq2.tuner = 0; - err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); - if (err < 0) - dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n",err); - if (0 == err) - *freq = freq2.frequency; - break; + pict->brightness = get_v4l_control(inode, file, + V4L2_CID_BRIGHTNESS, drv); + pict->hue = get_v4l_control(inode, file, + V4L2_CID_HUE, drv); + pict->contrast = get_v4l_control(inode, file, + V4L2_CID_CONTRAST, drv); + pict->colour = get_v4l_control(inode, file, + V4L2_CID_SATURATION, drv); + pict->whiteness = get_v4l_control(inode, file, + V4L2_CID_WHITENESS, drv); + + fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + err = drv(inode, file, VIDIOC_G_FMT, fmt); + if (err < 0) { + dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n", err); + goto done; } - case VIDIOCSFREQ: /* set frequency */ - { - unsigned long *freq = arg; - memset(&freq2,0,sizeof(freq2)); - drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); - freq2.frequency = *freq; - err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2); - if (err < 0) - dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n",err); - break; + pict->depth = ((fmt->fmt.pix.bytesperline << 3) + + (fmt->fmt.pix.width - 1)) + / fmt->fmt.pix.width; + pict->palette = pixelformat_to_palette( + fmt->fmt.pix.pixelformat); +done: + kfree(fmt); + return err; +} + +static noinline int v4l1_compat_set_picture( + struct video_picture *pict, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_framebuffer fbuf; + int mem_err = 0, ovl_err = 0; + struct v4l2_format *fmt; + + fmt = kzalloc(sizeof(*fmt), GFP_KERNEL); + if (!fmt) { + err = -ENOMEM; + return err; + } + memset(&fbuf, 0, sizeof(fbuf)); + + set_v4l_control(inode, file, + V4L2_CID_BRIGHTNESS, pict->brightness, drv); + set_v4l_control(inode, file, + V4L2_CID_HUE, pict->hue, drv); + set_v4l_control(inode, file, + V4L2_CID_CONTRAST, pict->contrast, drv); + set_v4l_control(inode, file, + V4L2_CID_SATURATION, pict->colour, drv); + set_v4l_control(inode, file, + V4L2_CID_WHITENESS, pict->whiteness, drv); + /* + * V4L1 uses this ioctl to set both memory capture and overlay + * pixel format, while V4L2 has two different ioctls for this. + * Some cards may not support one or the other, and may support + * different pixel formats for memory vs overlay. + */ + + fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + err = drv(inode, file, VIDIOC_G_FMT, fmt); + /* If VIDIOC_G_FMT failed, then the driver likely doesn't + support memory capture. Trying to set the memory capture + parameters would be pointless. */ + if (err < 0) { + dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n", err); + mem_err = -1000; /* didn't even try */ + } else if (fmt->fmt.pix.pixelformat != + palette_to_pixelformat(pict->palette)) { + fmt->fmt.pix.pixelformat = palette_to_pixelformat( + pict->palette); + mem_err = drv(inode, file, VIDIOC_S_FMT, fmt); + if (mem_err < 0) + dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n", + mem_err); } - case VIDIOCGAUDIO: /* get audio properties/controls */ - { - struct video_audio *aud = arg; - memset(&aud2,0,sizeof(aud2)); - err = drv(inode, file, VIDIOC_G_AUDIO, &aud2); - if (err < 0) { - dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n",err); - break; - } - memcpy(aud->name, aud2.name, - min(sizeof(aud->name), sizeof(aud2.name))); - aud->name[sizeof(aud->name) - 1] = 0; - aud->audio = aud2.index; - aud->flags = 0; - i = get_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, drv); - if (i >= 0) { - aud->volume = i; - aud->flags |= VIDEO_AUDIO_VOLUME; - } - i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, drv); - if (i >= 0) { - aud->bass = i; - aud->flags |= VIDEO_AUDIO_BASS; - } - i = get_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, drv); - if (i >= 0) { - aud->treble = i; - aud->flags |= VIDEO_AUDIO_TREBLE; - } - i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, drv); - if (i >= 0) { - aud->balance = i; - aud->flags |= VIDEO_AUDIO_BALANCE; - } - i = get_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, drv); - if (i >= 0) { - if (i) - aud->flags |= VIDEO_AUDIO_MUTE; - aud->flags |= VIDEO_AUDIO_MUTABLE; - } - aud->step = 1; - qctrl2.id = V4L2_CID_AUDIO_VOLUME; - if (drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2) == 0 && - !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) - aud->step = qctrl2.step; - aud->mode = 0; - - memset(&tun2,0,sizeof(tun2)); - err = drv(inode, file, VIDIOC_G_TUNER, &tun2); - if (err < 0) { - dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n",err); + err = drv(inode, file, VIDIOC_G_FBUF, &fbuf); + /* If VIDIOC_G_FBUF failed, then the driver likely doesn't + support overlay. Trying to set the overlay parameters + would be quite pointless. */ + if (err < 0) { + dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n", err); + ovl_err = -1000; /* didn't even try */ + } else if (fbuf.fmt.pixelformat != + palette_to_pixelformat(pict->palette)) { + fbuf.fmt.pixelformat = palette_to_pixelformat( + pict->palette); + ovl_err = drv(inode, file, VIDIOC_S_FBUF, &fbuf); + if (ovl_err < 0) + dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n", + ovl_err); + } + if (ovl_err < 0 && mem_err < 0) { + /* ioctl failed, couldn't set either parameter */ + if (mem_err != -1000) + err = mem_err; + else if (ovl_err == -EPERM) err = 0; + else + err = ovl_err; + } else + err = 0; + kfree(fmt); + return err; +} + +static noinline int v4l1_compat_get_tuner( + struct video_tuner *tun, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err, i; + struct v4l2_tuner tun2; + struct v4l2_standard std2; + v4l2_std_id sid; + + memset(&tun2, 0, sizeof(tun2)); + err = drv(inode, file, VIDIOC_G_TUNER, &tun2); + if (err < 0) { + dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n", err); + goto done; + } + memcpy(tun->name, tun2.name, + min(sizeof(tun->name), sizeof(tun2.name))); + tun->name[sizeof(tun->name) - 1] = 0; + tun->rangelow = tun2.rangelow; + tun->rangehigh = tun2.rangehigh; + tun->flags = 0; + tun->mode = VIDEO_MODE_AUTO; + + for (i = 0; i < 64; i++) { + memset(&std2, 0, sizeof(std2)); + std2.index = i; + if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2)) break; - } + if (std2.id & V4L2_STD_PAL) + tun->flags |= VIDEO_TUNER_PAL; + if (std2.id & V4L2_STD_NTSC) + tun->flags |= VIDEO_TUNER_NTSC; + if (std2.id & V4L2_STD_SECAM) + tun->flags |= VIDEO_TUNER_SECAM; + } - if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2) - aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; - else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO) - aud->mode = VIDEO_SOUND_STEREO; - else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO) - aud->mode = VIDEO_SOUND_MONO; - break; + err = drv(inode, file, VIDIOC_G_STD, &sid); + if (err < 0) + dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n", err); + if (err == 0) { + if (sid & V4L2_STD_PAL) + tun->mode = VIDEO_MODE_PAL; + if (sid & V4L2_STD_NTSC) + tun->mode = VIDEO_MODE_NTSC; + if (sid & V4L2_STD_SECAM) + tun->mode = VIDEO_MODE_SECAM; } - case VIDIOCSAUDIO: /* set audio controls */ - { - struct video_audio *aud = arg; - memset(&aud2,0,sizeof(aud2)); - memset(&tun2,0,sizeof(tun2)); + if (tun2.capability & V4L2_TUNER_CAP_LOW) + tun->flags |= VIDEO_TUNER_LOW; + if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO) + tun->flags |= VIDEO_TUNER_STEREO_ON; + tun->signal = tun2.signal; +done: + return err; +} - aud2.index = aud->audio; - err = drv(inode, file, VIDIOC_S_AUDIO, &aud2); - if (err < 0) { - dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n",err); - break; - } +static noinline int v4l1_compat_select_tuner( + struct video_tuner *tun, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_tuner t;/*84 bytes on x86_64*/ + memset(&t, 0, sizeof(t)); - set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, - aud->volume, drv); - set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, - aud->bass, drv); - set_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, - aud->treble, drv); - set_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, - aud->balance, drv); - set_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, - !!(aud->flags & VIDEO_AUDIO_MUTE), drv); - - err = drv(inode, file, VIDIOC_G_TUNER, &tun2); - if (err < 0) - dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n",err); - if (err == 0) { - switch (aud->mode) { - default: - case VIDEO_SOUND_MONO: - case VIDEO_SOUND_LANG1: - tun2.audmode = V4L2_TUNER_MODE_MONO; - break; - case VIDEO_SOUND_STEREO: - tun2.audmode = V4L2_TUNER_MODE_STEREO; - break; - case VIDEO_SOUND_LANG2: - tun2.audmode = V4L2_TUNER_MODE_LANG2; - break; - } - err = drv(inode, file, VIDIOC_S_TUNER, &tun2); - if (err < 0) - dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n",err); - } + t.index = tun->tuner; + + err = drv(inode, file, VIDIOC_S_INPUT, &t); + if (err < 0) + dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n", err); + return err; +} + +static noinline int v4l1_compat_get_frequency( + unsigned long *freq, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_frequency freq2; + memset(&freq2, 0, sizeof(freq2)); + + freq2.tuner = 0; + err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); + if (err < 0) + dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n", err); + if (0 == err) + *freq = freq2.frequency; + return err; +} + +static noinline int v4l1_compat_set_frequency( + unsigned long *freq, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_frequency freq2; + memset(&freq2, 0, sizeof(freq2)); + + drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); + freq2.frequency = *freq; + err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2); + if (err < 0) + dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n", err); + return err; +} + +static noinline int v4l1_compat_get_audio( + struct video_audio *aud, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err, i; + struct v4l2_queryctrl qctrl2; + struct v4l2_audio aud2; + struct v4l2_tuner tun2; + memset(&aud2, 0, sizeof(aud2)); + + err = drv(inode, file, VIDIOC_G_AUDIO, &aud2); + if (err < 0) { + dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n", err); + goto done; + } + memcpy(aud->name, aud2.name, + min(sizeof(aud->name), sizeof(aud2.name))); + aud->name[sizeof(aud->name) - 1] = 0; + aud->audio = aud2.index; + aud->flags = 0; + i = get_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, drv); + if (i >= 0) { + aud->volume = i; + aud->flags |= VIDEO_AUDIO_VOLUME; + } + i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, drv); + if (i >= 0) { + aud->bass = i; + aud->flags |= VIDEO_AUDIO_BASS; + } + i = get_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, drv); + if (i >= 0) { + aud->treble = i; + aud->flags |= VIDEO_AUDIO_TREBLE; + } + i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, drv); + if (i >= 0) { + aud->balance = i; + aud->flags |= VIDEO_AUDIO_BALANCE; + } + i = get_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, drv); + if (i >= 0) { + if (i) + aud->flags |= VIDEO_AUDIO_MUTE; + aud->flags |= VIDEO_AUDIO_MUTABLE; + } + aud->step = 1; + qctrl2.id = V4L2_CID_AUDIO_VOLUME; + if (drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2) == 0 && + !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) + aud->step = qctrl2.step; + aud->mode = 0; + + memset(&tun2, 0, sizeof(tun2)); + err = drv(inode, file, VIDIOC_G_TUNER, &tun2); + if (err < 0) { + dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n", err); err = 0; - break; + goto done; } - case VIDIOCMCAPTURE: /* capture a frame */ - { - struct video_mmap *mm = arg; - fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); - if (!fmt2) { - err = -ENOMEM; - break; - } - memset(&buf2,0,sizeof(buf2)); + if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2) + aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; + else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO) + aud->mode = VIDEO_SOUND_STEREO; + else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO) + aud->mode = VIDEO_SOUND_MONO; +done: + return err; +} - fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - err = drv(inode, file, VIDIOC_G_FMT, fmt2); - if (err < 0) { - dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n",err); +static noinline int v4l1_compat_set_audio( + struct video_audio *aud, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_audio aud2; + struct v4l2_tuner tun2; + + memset(&aud2, 0, sizeof(aud2)); + memset(&tun2, 0, sizeof(tun2)); + + aud2.index = aud->audio; + err = drv(inode, file, VIDIOC_S_AUDIO, &aud2); + if (err < 0) { + dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n", err); + goto done; + } + + set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, + aud->volume, drv); + set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, + aud->bass, drv); + set_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, + aud->treble, drv); + set_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, + aud->balance, drv); + set_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, + !!(aud->flags & VIDEO_AUDIO_MUTE), drv); + + err = drv(inode, file, VIDIOC_G_TUNER, &tun2); + if (err < 0) + dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n", err); + if (err == 0) { + switch (aud->mode) { + default: + case VIDEO_SOUND_MONO: + case VIDEO_SOUND_LANG1: + tun2.audmode = V4L2_TUNER_MODE_MONO; break; - } - if (mm->width != fmt2->fmt.pix.width || - mm->height != fmt2->fmt.pix.height || - palette_to_pixelformat(mm->format) != - fmt2->fmt.pix.pixelformat) - {/* New capture format... */ - fmt2->fmt.pix.width = mm->width; - fmt2->fmt.pix.height = mm->height; - fmt2->fmt.pix.pixelformat = - palette_to_pixelformat(mm->format); - fmt2->fmt.pix.field = V4L2_FIELD_ANY; - fmt2->fmt.pix.bytesperline = 0; - err = drv(inode, file, VIDIOC_S_FMT, fmt2); - if (err < 0) { - dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n",err); - break; - } - } - buf2.index = mm->frame; - buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); - if (err < 0) { - dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n",err); + case VIDEO_SOUND_STEREO: + tun2.audmode = V4L2_TUNER_MODE_STEREO; break; - } - err = drv(inode, file, VIDIOC_QBUF, &buf2); - if (err < 0) { - dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n",err); + case VIDEO_SOUND_LANG2: + tun2.audmode = V4L2_TUNER_MODE_LANG2; break; } - err = drv(inode, file, VIDIOC_STREAMON, &captype); + err = drv(inode, file, VIDIOC_S_TUNER, &tun2); if (err < 0) - dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n",err); - break; + dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n", err); } - case VIDIOCSYNC: /* wait for a frame */ - { - int *i = arg; + err = 0; +done: + return err; +} - memset(&buf2,0,sizeof(buf2)); - buf2.index = *i; - buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); - if (err < 0) { - /* No such buffer */ - dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err); - break; - } - if (!(buf2.flags & V4L2_BUF_FLAG_MAPPED)) { - /* Buffer is not mapped */ - err = -EINVAL; - break; - } +static noinline int v4l1_compat_capture_frame( + struct video_mmap *mm, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE; + struct v4l2_buffer buf; + struct v4l2_format *fmt; + + fmt = kzalloc(sizeof(*fmt), GFP_KERNEL); + if (!fmt) { + err = -ENOMEM; + return err; + } + memset(&buf, 0, sizeof(buf)); - /* make sure capture actually runs so we don't block forever */ - err = drv(inode, file, VIDIOC_STREAMON, &captype); + fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + err = drv(inode, file, VIDIOC_G_FMT, fmt); + if (err < 0) { + dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n", err); + goto done; + } + if (mm->width != fmt->fmt.pix.width || + mm->height != fmt->fmt.pix.height || + palette_to_pixelformat(mm->format) != + fmt->fmt.pix.pixelformat) { + /* New capture format... */ + fmt->fmt.pix.width = mm->width; + fmt->fmt.pix.height = mm->height; + fmt->fmt.pix.pixelformat = + palette_to_pixelformat(mm->format); + fmt->fmt.pix.field = V4L2_FIELD_ANY; + fmt->fmt.pix.bytesperline = 0; + err = drv(inode, file, VIDIOC_S_FMT, fmt); if (err < 0) { - dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n",err); - break; + dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n", err); + goto done; } + } + buf.index = mm->frame; + buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + err = drv(inode, file, VIDIOC_QUERYBUF, &buf); + if (err < 0) { + dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n", err); + goto done; + } + err = drv(inode, file, VIDIOC_QBUF, &buf); + if (err < 0) { + dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n", err); + goto done; + } + err = drv(inode, file, VIDIOC_STREAMON, &captype); + if (err < 0) + dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n", err); +done: + kfree(fmt); + return err; +} - /* Loop as long as the buffer is queued, but not done */ - while ((buf2.flags & - (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE)) - == V4L2_BUF_FLAG_QUEUED) - { - err = poll_one(file); - if (err < 0 || /* error or sleep was interrupted */ - err == 0) /* timeout? Shouldn't occur. */ - break; - err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); - if (err < 0) - dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err); - } - if (!(buf2.flags & V4L2_BUF_FLAG_DONE)) /* not done */ - break; - do { - err = drv(inode, file, VIDIOC_DQBUF, &buf2); - if (err < 0) - dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n",err); - } while (err == 0 && buf2.index != *i); - break; +static noinline int v4l1_compat_sync( + int *i, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE; + struct v4l2_buffer buf; + struct poll_wqueues *pwq; + + memset(&buf, 0, sizeof(buf)); + buf.index = *i; + buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + err = drv(inode, file, VIDIOC_QUERYBUF, &buf); + if (err < 0) { + /* No such buffer */ + dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n", err); + goto done; + } + if (!(buf.flags & V4L2_BUF_FLAG_MAPPED)) { + /* Buffer is not mapped */ + err = -EINVAL; + goto done; } - case VIDIOCGVBIFMT: /* query VBI data capture format */ - { - struct vbi_format *fmt = arg; + /* make sure capture actually runs so we don't block forever */ + err = drv(inode, file, VIDIOC_STREAMON, &captype); + if (err < 0) { + dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n", err); + goto done; + } - fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); - if (!fmt2) { - err = -ENOMEM; + pwq = kmalloc(sizeof(*pwq), GFP_KERNEL); + /* Loop as long as the buffer is queued, but not done */ + while ((buf.flags & (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE)) + == V4L2_BUF_FLAG_QUEUED) { + err = poll_one(file, pwq); + if (err < 0 || /* error or sleep was interrupted */ + err == 0) /* timeout? Shouldn't occur. */ break; - } - fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; + err = drv(inode, file, VIDIOC_QUERYBUF, &buf); + if (err < 0) + dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n", err); + } + kfree(pwq); + if (!(buf.flags & V4L2_BUF_FLAG_DONE)) /* not done */ + goto done; + do { + err = drv(inode, file, VIDIOC_DQBUF, &buf); + if (err < 0) + dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n", err); + } while (err == 0 && buf.index != *i); +done: + return err; +} - err = drv(inode, file, VIDIOC_G_FMT, fmt2); - if (err < 0) { - dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err); - break; - } - if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) { - err = -EINVAL; - break; - } - memset(fmt, 0, sizeof(*fmt)); - fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line; - fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate; - fmt->sample_format = VIDEO_PALETTE_RAW; - fmt->start[0] = fmt2->fmt.vbi.start[0]; - fmt->count[0] = fmt2->fmt.vbi.count[0]; - fmt->start[1] = fmt2->fmt.vbi.start[1]; - fmt->count[1] = fmt2->fmt.vbi.count[1]; - fmt->flags = fmt2->fmt.vbi.flags & 0x03; - break; +static noinline int v4l1_compat_get_vbi_format( + struct vbi_format *fmt, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_format *fmt2; + + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + return err; } - case VIDIOCSVBIFMT: - { - struct vbi_format *fmt = arg; + fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; - if (VIDEO_PALETTE_RAW != fmt->sample_format) { - err = -EINVAL; - break; - } + err = drv(inode, file, VIDIOC_G_FMT, fmt2); + if (err < 0) { + dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err); + goto done; + } + if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) { + err = -EINVAL; + goto done; + } + memset(fmt, 0, sizeof(*fmt)); + fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line; + fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate; + fmt->sample_format = VIDEO_PALETTE_RAW; + fmt->start[0] = fmt2->fmt.vbi.start[0]; + fmt->count[0] = fmt2->fmt.vbi.count[0]; + fmt->start[1] = fmt2->fmt.vbi.start[1]; + fmt->count[1] = fmt2->fmt.vbi.count[1]; + fmt->flags = fmt2->fmt.vbi.flags & 0x03; +done: + kfree(fmt2); + return err; +} - fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); - if (!fmt2) { - err = -ENOMEM; - break; - } - fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; - fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line; - fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate; - fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; - fmt2->fmt.vbi.start[0] = fmt->start[0]; - fmt2->fmt.vbi.count[0] = fmt->count[0]; - fmt2->fmt.vbi.start[1] = fmt->start[1]; - fmt2->fmt.vbi.count[1] = fmt->count[1]; - fmt2->fmt.vbi.flags = fmt->flags; - err = drv(inode, file, VIDIOC_TRY_FMT, fmt2); - if (err < 0) { - dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %d\n", err); - break; - } +static noinline int v4l1_compat_set_vbi_format( + struct vbi_format *fmt, + struct inode *inode, + struct file *file, + v4l2_kioctl drv) +{ + int err; + struct v4l2_format *fmt2 = NULL; - if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line || - fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate || - fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY || - fmt2->fmt.vbi.start[0] != fmt->start[0] || - fmt2->fmt.vbi.count[0] != fmt->count[0] || - fmt2->fmt.vbi.start[1] != fmt->start[1] || - fmt2->fmt.vbi.count[1] != fmt->count[1] || - fmt2->fmt.vbi.flags != fmt->flags) { - err = -EINVAL; - break; - } - err = drv(inode, file, VIDIOC_S_FMT, fmt2); - if (err < 0) - dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err); - break; + if (VIDEO_PALETTE_RAW != fmt->sample_format) { + err = -EINVAL; + return err; } + fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL); + if (!fmt2) { + err = -ENOMEM; + return err; + } + fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; + fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line; + fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate; + fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + fmt2->fmt.vbi.start[0] = fmt->start[0]; + fmt2->fmt.vbi.count[0] = fmt->count[0]; + fmt2->fmt.vbi.start[1] = fmt->start[1]; + fmt2->fmt.vbi.count[1] = fmt->count[1]; + fmt2->fmt.vbi.flags = fmt->flags; + err = drv(inode, file, VIDIOC_TRY_FMT, fmt2); + if (err < 0) { + dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %d\n", err); + goto done; + } + + if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line || + fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate || + fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY || + fmt2->fmt.vbi.start[0] != fmt->start[0] || + fmt2->fmt.vbi.count[0] != fmt->count[0] || + fmt2->fmt.vbi.start[1] != fmt->start[1] || + fmt2->fmt.vbi.count[1] != fmt->count[1] || + fmt2->fmt.vbi.flags != fmt->flags) { + err = -EINVAL; + goto done; + } + err = drv(inode, file, VIDIOC_S_FMT, fmt2); + if (err < 0) + dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err); +done: + kfree(fmt2); + return err; +} + +/* + * This function is exported. + */ +int +v4l_compat_translate_ioctl(struct inode *inode, + struct file *file, + int cmd, + void *arg, + v4l2_kioctl drv) +{ + int err; + + switch (cmd) { + case VIDIOCGCAP: /* capability */ + err = v4l1_compat_get_capabilities(arg, inode, file, drv); + break; + case VIDIOCGFBUF: /* get frame buffer */ + err = v4l1_compat_get_frame_buffer(arg, inode, file, drv); + break; + case VIDIOCSFBUF: /* set frame buffer */ + err = v4l1_compat_set_frame_buffer(arg, inode, file, drv); + break; + case VIDIOCGWIN: /* get window or capture dimensions */ + err = v4l1_compat_get_win_cap_dimensions(arg, inode, file, drv); + break; + case VIDIOCSWIN: /* set window and/or capture dimensions */ + err = v4l1_compat_set_win_cap_dimensions(arg, inode, file, drv); + break; + case VIDIOCCAPTURE: /* turn on/off preview */ + err = v4l1_compat_turn_preview_on_off(arg, inode, file, drv); + break; + case VIDIOCGCHAN: /* get input information */ + err = v4l1_compat_get_input_info(arg, inode, file, drv); + break; + case VIDIOCSCHAN: /* set input */ + err = v4l1_compat_set_input(arg, inode, file, drv); + break; + case VIDIOCGPICT: /* get tone controls & partial capture format */ + err = v4l1_compat_get_picture(arg, inode, file, drv); + break; + case VIDIOCSPICT: /* set tone controls & partial capture format */ + err = v4l1_compat_set_picture(arg, inode, file, drv); + break; + case VIDIOCGTUNER: /* get tuner information */ + err = v4l1_compat_get_tuner(arg, inode, file, drv); + break; + case VIDIOCSTUNER: /* select a tuner input */ + err = v4l1_compat_select_tuner(arg, inode, file, drv); + break; + case VIDIOCGFREQ: /* get frequency */ + err = v4l1_compat_get_frequency(arg, inode, file, drv); + break; + case VIDIOCSFREQ: /* set frequency */ + err = v4l1_compat_set_frequency(arg, inode, file, drv); + break; + case VIDIOCGAUDIO: /* get audio properties/controls */ + err = v4l1_compat_get_audio(arg, inode, file, drv); + break; + case VIDIOCSAUDIO: /* set audio controls */ + err = v4l1_compat_set_audio(arg, inode, file, drv); + break; + case VIDIOCMCAPTURE: /* capture a frame */ + err = v4l1_compat_capture_frame(arg, inode, file, drv); + break; + case VIDIOCSYNC: /* wait for a frame */ + err = v4l1_compat_sync(arg, inode, file, drv); + break; + case VIDIOCGVBIFMT: /* query VBI data capture format */ + err = v4l1_compat_get_vbi_format(arg, inode, file, drv); + break; + case VIDIOCSVBIFMT: + err = v4l1_compat_set_vbi_format(arg, inode, file, drv); + break; default: err = -ENOIOCTLCMD; break; } - kfree(cap2); - kfree(fmt2); return err; } - EXPORT_SYMBOL(v4l_compat_translate_ioctl); /* |