/* ------------------------------------------------------------------ */
-struct cliplist {
- __u16 position;
- __u8 enable;
- __u8 disable;
-};
-
-static void set_cliplist(struct saa7134_dev *dev, int reg,
- struct cliplist *cl, int entries, char *name)
-{
- __u8 winbits = 0;
- int i;
-
- for (i = 0; i < entries; i++) {
- winbits |= cl[i].enable;
- winbits &= ~cl[i].disable;
- if (i < 15 && cl[i].position == cl[i+1].position)
- continue;
- saa_writeb(reg + 0, winbits);
- saa_writeb(reg + 2, cl[i].position & 0xff);
- saa_writeb(reg + 3, cl[i].position >> 8);
- video_dbg("clip: %s winbits=%02x pos=%d\n",
- name,winbits,cl[i].position);
- reg += 8;
- }
- for (; reg < 0x400; reg += 8) {
- saa_writeb(reg+ 0, 0);
- saa_writeb(reg + 1, 0);
- saa_writeb(reg + 2, 0);
- saa_writeb(reg + 3, 0);
- }
-}
-
-static int clip_range(int val)
-{
- if (val < 0)
- val = 0;
- return val;
-}
-
-/* Sort into smallest position first order */
-static int cliplist_cmp(const void *a, const void *b)
-{
- const struct cliplist *cla = a;
- const struct cliplist *clb = b;
- if (cla->position < clb->position)
- return -1;
- if (cla->position > clb->position)
- return 1;
- return 0;
-}
-
-static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
- int nclips, int interlace)
-{
- struct cliplist col[16], row[16];
- int cols = 0, rows = 0, i;
- int div = interlace ? 2 : 1;
-
- memset(col, 0, sizeof(col));
- memset(row, 0, sizeof(row));
- for (i = 0; i < nclips && i < 8; i++) {
- col[cols].position = clip_range(clips[i].c.left);
- col[cols].enable = (1 << i);
- cols++;
- col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
- col[cols].disable = (1 << i);
- cols++;
- row[rows].position = clip_range(clips[i].c.top / div);
- row[rows].enable = (1 << i);
- rows++;
- row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
- / div);
- row[rows].disable = (1 << i);
- rows++;
- }
- sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
- sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
- set_cliplist(dev,0x380,col,cols,"cols");
- set_cliplist(dev,0x384,row,rows,"rows");
- return 0;
-}
-
-static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
-{
- enum v4l2_field field;
- int maxw, maxh;
-
- if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
- return -EINVAL;
- if (win->w.width < 48)
- win->w.width = 48;
- if (win->w.height < 32)
- win->w.height = 32;
- if (win->clipcount > 8)
- win->clipcount = 8;
-
- win->chromakey = 0;
- win->global_alpha = 0;
- field = win->field;
- maxw = dev->crop_current.width;
- maxh = dev->crop_current.height;
-
- if (V4L2_FIELD_ANY == field) {
- field = (win->w.height > maxh/2)
- ? V4L2_FIELD_INTERLACED
- : V4L2_FIELD_TOP;
- }
- switch (field) {
- case V4L2_FIELD_TOP:
- case V4L2_FIELD_BOTTOM:
- maxh = maxh / 2;
- break;
- default:
- field = V4L2_FIELD_INTERLACED;
- break;
- }
-
- win->field = field;
- if (win->w.width > maxw)
- win->w.width = maxw;
- if (win->w.height > maxh)
- win->w.height = maxh;
- return 0;
-}
-
-static int start_preview(struct saa7134_dev *dev)
-{
- unsigned long base,control,bpl;
- int err;
-
- err = verify_preview(dev, &dev->win, false);
- if (0 != err)
- return err;
-
- dev->ovfield = dev->win.field;
- video_dbg("%s %dx%d+%d+%d 0x%08x field=%s\n", __func__,
- dev->win.w.width, dev->win.w.height,
- dev->win.w.left, dev->win.w.top,
- dev->ovfmt->fourcc, v4l2_field_names[dev->ovfield]);
-
- /* setup window + clipping */
- set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
- V4L2_FIELD_HAS_BOTH(dev->ovfield));
- setup_clipping(dev, dev->clips, dev->nclips,
- V4L2_FIELD_HAS_BOTH(dev->ovfield));
- if (dev->ovfmt->yuv)
- saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
- else
- saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
- saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
-
- /* dma: setup channel 1 (= Video Task B) */
- base = (unsigned long)dev->ovbuf.base;
- base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
- base += dev->ovfmt->depth/8 * dev->win.w.left;
- bpl = dev->ovbuf.fmt.bytesperline;
- control = SAA7134_RS_CONTROL_BURST_16;
- if (dev->ovfmt->bswap)
- control |= SAA7134_RS_CONTROL_BSWAP;
- if (dev->ovfmt->wswap)
- control |= SAA7134_RS_CONTROL_WSWAP;
- if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
- saa_writel(SAA7134_RS_BA1(1),base);
- saa_writel(SAA7134_RS_BA2(1),base+bpl);
- saa_writel(SAA7134_RS_PITCH(1),bpl*2);
- saa_writel(SAA7134_RS_CONTROL(1),control);
- } else {
- saa_writel(SAA7134_RS_BA1(1),base);
- saa_writel(SAA7134_RS_BA2(1),base);
- saa_writel(SAA7134_RS_PITCH(1),bpl);
- saa_writel(SAA7134_RS_CONTROL(1),control);
- }
-
- /* start dma */
- dev->ovenable = 1;
- saa7134_set_dmabits(dev);
-
- return 0;
-}
-
-static int stop_preview(struct saa7134_dev *dev)
-{
- dev->ovenable = 0;
- saa7134_set_dmabits(dev);
- return 0;
-}
-
/*
* Media Controller helper functions
*/
static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
- unsigned long flags;
- int restart_overlay = 0;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
break;
case V4L2_CID_HFLIP:
dev->ctl_mirror = ctrl->val;
- restart_overlay = 1;
break;
case V4L2_CID_PRIVATE_Y_EVEN:
dev->ctl_y_even = ctrl->val;
- restart_overlay = 1;
break;
case V4L2_CID_PRIVATE_Y_ODD:
dev->ctl_y_odd = ctrl->val;
- restart_overlay = 1;
break;
case V4L2_CID_PRIVATE_AUTOMUTE:
{
default:
return -EINVAL;
}
- if (restart_overlay && dev->overlay_owner) {
- spin_lock_irqsave(&dev->slock, flags);
- stop_preview(dev);
- start_preview(dev);
- spin_unlock_irqrestore(&dev->slock, flags);
- }
return 0;
}
{
struct video_device *vdev = video_devdata(file);
struct saa7134_dev *dev = video_drvdata(file);
- struct v4l2_fh *fh = file->private_data;
struct saa6588_command cmd;
- unsigned long flags;
mutex_lock(&dev->lock);
saa7134_tvaudio_close(dev);
- /* turn off overlay */
- if (fh == dev->overlay_owner) {
- spin_lock_irqsave(&dev->slock,flags);
- stop_preview(dev);
- spin_unlock_irqrestore(&dev->slock,flags);
- dev->overlay_owner = NULL;
- }
-
if (vdev->vfl_type == VFL_TYPE_RADIO)
v4l2_fh_release(file);
else
return 0;
}
-static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct saa7134_dev *dev = video_drvdata(file);
- u32 clipcount = f->fmt.win.clipcount;
- int i;
-
- if (saa7134_no_overlay > 0) {
- pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
- return -EINVAL;
- }
- f->fmt.win = dev->win;
- if (!f->fmt.win.clips) {
- f->fmt.win.clipcount = 0;
- return 0;
- }
- if (dev->nclips < clipcount)
- clipcount = dev->nclips;
- f->fmt.win.clipcount = clipcount;
-
- for (i = 0; i < clipcount; i++) {
- memcpy(&f->fmt.win.clips[i].c, &dev->clips[i].c,
- sizeof(struct v4l2_rect));
- }
-
- return 0;
-}
-
static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
return 0;
}
-static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct saa7134_dev *dev = video_drvdata(file);
-
- if (saa7134_no_overlay > 0) {
- pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
- return -EINVAL;
- }
-
- if (f->fmt.win.clips == NULL)
- f->fmt.win.clipcount = 0;
- return verify_preview(dev, &f->fmt.win, true);
-}
-
static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
return 0;
}
-static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct saa7134_dev *dev = video_drvdata(file);
- int err;
- unsigned long flags;
-
- if (saa7134_no_overlay > 0) {
- pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
- return -EINVAL;
- }
- if (f->fmt.win.clips == NULL)
- f->fmt.win.clipcount = 0;
- err = verify_preview(dev, &f->fmt.win, true);
- if (0 != err)
- return err;
-
- dev->win = f->fmt.win;
- dev->nclips = f->fmt.win.clipcount;
-
- memcpy(dev->clips, f->fmt.win.clips,
- sizeof(struct v4l2_clip) * dev->nclips);
-
- if (priv == dev->overlay_owner) {
- spin_lock_irqsave(&dev->slock, flags);
- stop_preview(dev);
- start_preview(dev);
- spin_unlock_irqrestore(&dev->slock, flags);
- }
-
- return 0;
-}
-
int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
{
struct saa7134_dev *dev = video_drvdata(file);
cap->capabilities |= V4L2_CAP_TUNER;
if (dev->has_rds)
cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
- if (saa7134_no_overlay <= 0)
- cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
return 0;
}
int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
{
struct saa7134_dev *dev = video_drvdata(file);
- struct v4l2_fh *fh = priv;
- unsigned long flags;
unsigned int i;
v4l2_std_id fixup;
- if (is_empress(file) && dev->overlay_owner) {
- /* Don't change the std from the mpeg device
- if overlay is active. */
- return -EBUSY;
- }
-
for (i = 0; i < TVNORMS; i++)
if (id == tvnorms[i].id)
break;
return -EINVAL;
}
- if (!is_empress(file) && fh == dev->overlay_owner) {
- spin_lock_irqsave(&dev->slock, flags);
- stop_preview(dev);
- spin_unlock_irqrestore(&dev->slock, flags);
-
- set_tvnorm(dev, &tvnorms[i]);
-
- spin_lock_irqsave(&dev->slock, flags);
- start_preview(dev);
- spin_unlock_irqrestore(&dev->slock, flags);
- } else
- set_tvnorm(dev, &tvnorms[i]);
+ set_tvnorm(dev, &tvnorms[i]);
saa7134_tvaudio_do_scan(dev);
return 0;
{
struct saa7134_dev *dev = video_drvdata(file);
- if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (dev->tvnorm->id & V4L2_STD_525_60) {
{
struct saa7134_dev *dev = video_drvdata(file);
- if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
switch (sel->target) {
struct v4l2_rect *b = &dev->crop_bounds;
struct v4l2_rect *c = &dev->crop_current;
- if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (sel->target != V4L2_SEL_TGT_CROP)
return -EINVAL;
- if (dev->overlay_owner)
- return -EBUSY;
if (vb2_is_streaming(&dev->video_vbq))
return -EBUSY;
return 0;
}
-static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_fmtdesc *f)
-{
- if (saa7134_no_overlay > 0) {
- pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
- return -EINVAL;
- }
-
- if ((f->index >= FORMATS) || formats[f->index].planar)
- return -EINVAL;
-
- f->pixelformat = formats[f->index].fourcc;
-
- return 0;
-}
-
-static int saa7134_g_fbuf(struct file *file, void *f,
- struct v4l2_framebuffer *fb)
-{
- struct saa7134_dev *dev = video_drvdata(file);
-
- *fb = dev->ovbuf;
- fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
-
- return 0;
-}
-
-static int saa7134_s_fbuf(struct file *file, void *f,
- const struct v4l2_framebuffer *fb)
-{
- struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_format *fmt;
-
- if (!capable(CAP_SYS_ADMIN) &&
- !capable(CAP_SYS_RAWIO))
- return -EPERM;
-
- /* check args */
- fmt = format_by_fourcc(fb->fmt.pixelformat);
- if (NULL == fmt)
- return -EINVAL;
-
- /* ok, accept it */
- dev->ovbuf = *fb;
- dev->ovfmt = fmt;
- if (0 == dev->ovbuf.fmt.bytesperline)
- dev->ovbuf.fmt.bytesperline =
- dev->ovbuf.fmt.width*fmt->depth/8;
- return 0;
-}
-
-static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
-{
- struct saa7134_dev *dev = video_drvdata(file);
- unsigned long flags;
-
- if (on) {
- if (saa7134_no_overlay > 0) {
- video_dbg("no_overlay\n");
- return -EINVAL;
- }
-
- if (dev->overlay_owner && priv != dev->overlay_owner)
- return -EBUSY;
- dev->overlay_owner = priv;
- spin_lock_irqsave(&dev->slock, flags);
- start_preview(dev);
- spin_unlock_irqrestore(&dev->slock, flags);
- } else {
- if (priv != dev->overlay_owner)
- return -EINVAL;
- spin_lock_irqsave(&dev->slock, flags);
- stop_preview(dev);
- spin_unlock_irqrestore(&dev->slock, flags);
- dev->overlay_owner = NULL;
- }
- return 0;
-}
-
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_register (struct file *file, void *priv,
struct v4l2_dbg_register *reg)
.vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
- .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
- .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
- .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
- .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
.vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
.vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
.vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
.vidioc_s_tuner = saa7134_s_tuner,
.vidioc_g_selection = saa7134_g_selection,
.vidioc_s_selection = saa7134_s_selection,
- .vidioc_g_fbuf = saa7134_g_fbuf,
- .vidioc_s_fbuf = saa7134_s_fbuf,
- .vidioc_overlay = saa7134_overlay,
.vidioc_g_frequency = saa7134_g_frequency,
.vidioc_s_frequency = saa7134_s_frequency,
#ifdef CONFIG_VIDEO_ADV_DEBUG
dev->width = 720;
dev->height = 576;
dev->field = V4L2_FIELD_INTERLACED;
- dev->win.w.width = dev->width;
- dev->win.w.height = dev->height;
- dev->win.field = V4L2_FIELD_INTERLACED;
- dev->ovbuf.fmt.width = dev->width;
- dev->ovbuf.fmt.height = dev->height;
- dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
- dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
if (saa7134_boards[dev->board].video_out)
saa7134_videoport_init(dev);
projects / users / willy / xarray.git / commitdiff