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path: root/drivers/media/pci/saa7134/saa7134-video.c
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Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-video.c')
-rw-r--r--drivers/media/pci/saa7134/saa7134-video.c260
1 files changed, 132 insertions, 128 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index cc409380ee16..e12bbd8c3f0b 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -825,20 +825,22 @@ static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
return 0;
}
-static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
+static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
{
enum v4l2_field field;
int maxw, maxh;
- if (NULL == dev->ovbuf.base)
+ if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
return -EINVAL;
- if (NULL == dev->ovfmt)
- return -EINVAL;
- if (win->w.width < 48 || win->w.height < 32)
- return -EINVAL;
- if (win->clipcount > 2048)
- 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;
@@ -853,10 +855,9 @@ static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
case V4L2_FIELD_BOTTOM:
maxh = maxh / 2;
break;
- case V4L2_FIELD_INTERLACED:
- break;
default:
- return -EINVAL;
+ field = V4L2_FIELD_INTERLACED;
+ break;
}
win->field = field;
@@ -872,20 +873,20 @@ static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
unsigned long base,control,bpl;
int err;
- err = verify_preview(dev,&fh->win);
+ err = verify_preview(dev, &dev->win, false);
if (0 != err)
return err;
- dev->ovfield = fh->win.field;
+ dev->ovfield = dev->win.field;
dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
- fh->win.w.width,fh->win.w.height,
- fh->win.w.left,fh->win.w.top,
- dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
+ dev->win.w.width, dev->win.w.height,
+ dev->win.w.left, dev->win.w.top,
+ dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
/* setup window + clipping */
- set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
+ set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
V4L2_FIELD_HAS_BOTH(dev->ovfield));
- setup_clipping(dev,fh->clips,fh->nclips,
+ 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);
@@ -895,8 +896,8 @@ static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
/* dma: setup channel 1 (= Video Task B) */
base = (unsigned long)dev->ovbuf.base;
- base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
- base += dev->ovfmt->depth/8 * fh->win.w.left;
+ 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)
@@ -1024,38 +1025,38 @@ static int buffer_prepare(struct videobuf_queue *q,
int err;
/* sanity checks */
- if (NULL == fh->fmt)
+ if (NULL == dev->fmt)
return -EINVAL;
- if (fh->width < 48 ||
- fh->height < 32 ||
- fh->width/4 > dev->crop_current.width ||
- fh->height/4 > dev->crop_current.height ||
- fh->width > dev->crop_bounds.width ||
- fh->height > dev->crop_bounds.height)
+ if (dev->width < 48 ||
+ dev->height < 32 ||
+ dev->width/4 > dev->crop_current.width ||
+ dev->height/4 > dev->crop_current.height ||
+ dev->width > dev->crop_bounds.width ||
+ dev->height > dev->crop_bounds.height)
return -EINVAL;
- size = (fh->width * fh->height * fh->fmt->depth) >> 3;
+ size = (dev->width * dev->height * dev->fmt->depth) >> 3;
if (0 != buf->vb.baddr && buf->vb.bsize < size)
return -EINVAL;
dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
- vb->i,fh->width,fh->height,size,v4l2_field_names[field],
- fh->fmt->name);
- if (buf->vb.width != fh->width ||
- buf->vb.height != fh->height ||
+ vb->i, dev->width, dev->height, size, v4l2_field_names[field],
+ dev->fmt->name);
+ if (buf->vb.width != dev->width ||
+ buf->vb.height != dev->height ||
buf->vb.size != size ||
buf->vb.field != field ||
- buf->fmt != fh->fmt) {
+ buf->fmt != dev->fmt) {
saa7134_dma_free(q,buf);
}
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
- buf->vb.width = fh->width;
- buf->vb.height = fh->height;
+ buf->vb.width = dev->width;
+ buf->vb.height = dev->height;
buf->vb.size = size;
buf->vb.field = field;
- buf->fmt = fh->fmt;
+ buf->fmt = dev->fmt;
buf->pt = &fh->pt_cap;
dev->video_q.curr = NULL;
@@ -1082,8 +1083,9 @@ static int
buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
{
struct saa7134_fh *fh = q->priv_data;
+ struct saa7134_dev *dev = fh->dev;
- *size = fh->fmt->depth * fh->width * fh->height >> 3;
+ *size = dev->fmt->depth * dev->width * dev->height >> 3;
if (0 == *count)
*count = gbuffers;
*count = saa7134_buffer_count(*size,*count);
@@ -1287,15 +1289,17 @@ static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
/* ------------------------------------------------------------------ */
-static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
+static struct videobuf_queue *saa7134_queue(struct file *file)
{
- struct videobuf_queue* q = NULL;
+ struct video_device *vdev = video_devdata(file);
+ struct saa7134_fh *fh = file->private_data;
+ struct videobuf_queue *q = NULL;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
q = &fh->cap;
break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
+ case VFL_TYPE_VBI:
q = &fh->vbi;
break;
default:
@@ -1304,12 +1308,14 @@ static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
return q;
}
-static int saa7134_resource(struct saa7134_fh *fh)
+static int saa7134_resource(struct file *file)
{
- if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ struct video_device *vdev = video_devdata(file);
+
+ if (vdev->vfl_type == VFL_TYPE_GRABBER)
return RESOURCE_VIDEO;
- if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
+ if (vdev->vfl_type == VFL_TYPE_VBI)
return RESOURCE_VBI;
BUG();
@@ -1321,23 +1327,6 @@ static int video_open(struct file *file)
struct video_device *vdev = video_devdata(file);
struct saa7134_dev *dev = video_drvdata(file);
struct saa7134_fh *fh;
- enum v4l2_buf_type type = 0;
- int radio = 0;
-
- switch (vdev->vfl_type) {
- case VFL_TYPE_GRABBER:
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- break;
- case VFL_TYPE_VBI:
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- break;
- case VFL_TYPE_RADIO:
- radio = 1;
- break;
- }
-
- dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev),
- radio, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh),GFP_KERNEL);
@@ -1347,11 +1336,6 @@ static int video_open(struct file *file)
v4l2_fh_init(&fh->fh, vdev);
file->private_data = fh;
fh->dev = dev;
- fh->radio = radio;
- fh->type = type;
- fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
- fh->width = 720;
- fh->height = 576;
videobuf_queue_sg_init(&fh->cap, &video_qops,
&dev->pci->dev, &dev->slock,
@@ -1368,7 +1352,7 @@ static int video_open(struct file *file)
saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
- if (fh->radio) {
+ if (vdev->vfl_type == VFL_TYPE_RADIO) {
/* switch to radio mode */
saa7134_tvaudio_setinput(dev,&card(dev).radio);
saa_call_all(dev, tuner, s_radio);
@@ -1384,19 +1368,20 @@ static int video_open(struct file *file)
static ssize_t
video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
+ struct video_device *vdev = video_devdata(file);
struct saa7134_fh *fh = file->private_data;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
if (res_locked(fh->dev,RESOURCE_VIDEO))
return -EBUSY;
- return videobuf_read_one(saa7134_queue(fh),
+ return videobuf_read_one(saa7134_queue(file),
data, count, ppos,
file->f_flags & O_NONBLOCK);
- case V4L2_BUF_TYPE_VBI_CAPTURE:
+ case VFL_TYPE_VBI:
if (!res_get(fh->dev,fh,RESOURCE_VBI))
return -EBUSY;
- return videobuf_read_stream(saa7134_queue(fh),
+ return videobuf_read_stream(saa7134_queue(file),
data, count, ppos, 1,
file->f_flags & O_NONBLOCK);
break;
@@ -1409,11 +1394,12 @@ video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
static unsigned int
video_poll(struct file *file, struct poll_table_struct *wait)
{
+ struct video_device *vdev = video_devdata(file);
struct saa7134_fh *fh = file->private_data;
struct videobuf_buffer *buf = NULL;
unsigned int rc = 0;
- if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
+ if (vdev->vfl_type == VFL_TYPE_VBI)
return videobuf_poll_stream(file, &fh->vbi, wait);
if (res_check(fh,RESOURCE_VIDEO)) {
@@ -1451,6 +1437,7 @@ err:
static int video_release(struct file *file)
{
+ struct video_device *vdev = video_devdata(file);
struct saa7134_fh *fh = file->private_data;
struct saa7134_dev *dev = fh->dev;
struct saa6588_command cmd;
@@ -1489,7 +1476,7 @@ static int video_release(struct file *file)
saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
saa_call_all(dev, core, s_power, 0);
- if (fh->radio)
+ if (vdev->vfl_type == VFL_TYPE_RADIO)
saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
/* free stuff */
@@ -1507,9 +1494,7 @@ static int video_release(struct file *file)
static int video_mmap(struct file *file, struct vm_area_struct * vma)
{
- struct saa7134_fh *fh = file->private_data;
-
- return videobuf_mmap_mapper(saa7134_queue(fh), vma);
+ return videobuf_mmap_mapper(saa7134_queue(file), vma);
}
static ssize_t radio_read(struct file *file, char __user *data,
@@ -1570,15 +1555,18 @@ static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct saa7134_fh *fh = priv;
+ struct saa7134_dev *dev = fh->dev;
- f->fmt.pix.width = fh->width;
- f->fmt.pix.height = fh->height;
+ f->fmt.pix.width = dev->width;
+ f->fmt.pix.height = dev->height;
f->fmt.pix.field = fh->cap.field;
- f->fmt.pix.pixelformat = fh->fmt->fourcc;
+ f->fmt.pix.pixelformat = dev->fmt->fourcc;
f->fmt.pix.bytesperline =
- (f->fmt.pix.width * fh->fmt->depth) >> 3;
+ (f->fmt.pix.width * dev->fmt->depth) >> 3;
f->fmt.pix.sizeimage =
f->fmt.pix.height * f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ f->fmt.pix.priv = 0;
return 0;
}
@@ -1586,14 +1574,33 @@ static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
struct v4l2_format *f)
{
struct saa7134_fh *fh = priv;
+ struct saa7134_dev *dev = fh->dev;
+ struct v4l2_clip __user *clips = f->fmt.win.clips;
+ u32 clipcount = f->fmt.win.clipcount;
+ int err = 0;
+ int i;
if (saa7134_no_overlay > 0) {
printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
return -EINVAL;
}
- f->fmt.win = fh->win;
+ mutex_lock(&dev->lock);
+ f->fmt.win = dev->win;
+ f->fmt.win.clips = clips;
+ if (clips == NULL)
+ clipcount = 0;
+ if (dev->nclips < clipcount)
+ clipcount = dev->nclips;
+ f->fmt.win.clipcount = clipcount;
+
+ for (i = 0; !err && i < clipcount; i++) {
+ if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
+ sizeof(struct v4l2_rect)))
+ err = -EFAULT;
+ }
+ mutex_unlock(&dev->lock);
- return 0;
+ return err;
}
static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
@@ -1623,10 +1630,9 @@ static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
case V4L2_FIELD_BOTTOM:
maxh = maxh / 2;
break;
- case V4L2_FIELD_INTERLACED:
- break;
default:
- return -EINVAL;
+ field = V4L2_FIELD_INTERLACED;
+ break;
}
f->fmt.pix.field = field;
@@ -1643,6 +1649,8 @@ static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
(f->fmt.pix.width * fmt->depth) >> 3;
f->fmt.pix.sizeimage =
f->fmt.pix.height * f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ f->fmt.pix.priv = 0;
return 0;
}
@@ -1658,22 +1666,25 @@ static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
return -EINVAL;
}
- return verify_preview(dev, &f->fmt.win);
+ 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)
{
struct saa7134_fh *fh = priv;
+ struct saa7134_dev *dev = fh->dev;
int err;
err = saa7134_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
- fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
- fh->width = f->fmt.pix.width;
- fh->height = f->fmt.pix.height;
+ dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ dev->width = f->fmt.pix.width;
+ dev->height = f->fmt.pix.height;
fh->cap.field = f->fmt.pix.field;
return 0;
}
@@ -1690,20 +1701,19 @@ static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
return -EINVAL;
}
- err = verify_preview(dev, &f->fmt.win);
+ if (f->fmt.win.clips == NULL)
+ f->fmt.win.clipcount = 0;
+ err = verify_preview(dev, &f->fmt.win, true);
if (0 != err)
return err;
mutex_lock(&dev->lock);
- fh->win = f->fmt.win;
- fh->nclips = f->fmt.win.clipcount;
+ dev->win = f->fmt.win;
+ dev->nclips = f->fmt.win.clipcount;
- if (fh->nclips > 8)
- fh->nclips = 8;
-
- if (copy_from_user(fh->clips, f->fmt.win.clips,
- sizeof(struct v4l2_clip)*fh->nclips)) {
+ if (copy_from_user(dev->clips, f->fmt.win.clips,
+ sizeof(struct v4l2_clip) * dev->nclips)) {
mutex_unlock(&dev->lock);
return -EFAULT;
}
@@ -2057,7 +2067,6 @@ static int saa7134_g_frequency(struct file *file, void *priv,
if (0 != f->tuner)
return -EINVAL;
- f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
saa_call_all(dev, tuner, g_frequency, f);
return 0;
@@ -2071,10 +2080,6 @@ static int saa7134_s_frequency(struct file *file, void *priv,
if (0 != f->tuner)
return -EINVAL;
- if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
- return -EINVAL;
- if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
- return -EINVAL;
mutex_lock(&dev->lock);
saa_call_all(dev, tuner, s_frequency, f);
@@ -2186,27 +2191,23 @@ static int saa7134_overlay(struct file *file, void *f, unsigned int on)
static int saa7134_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
- struct saa7134_fh *fh = priv;
- return videobuf_reqbufs(saa7134_queue(fh), p);
+ return videobuf_reqbufs(saa7134_queue(file), p);
}
static int saa7134_querybuf(struct file *file, void *priv,
struct v4l2_buffer *b)
{
- struct saa7134_fh *fh = priv;
- return videobuf_querybuf(saa7134_queue(fh), b);
+ return videobuf_querybuf(saa7134_queue(file), b);
}
static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
- struct saa7134_fh *fh = priv;
- return videobuf_qbuf(saa7134_queue(fh), b);
+ return videobuf_qbuf(saa7134_queue(file), b);
}
static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
- struct saa7134_fh *fh = priv;
- return videobuf_dqbuf(saa7134_queue(fh), b,
+ return videobuf_dqbuf(saa7134_queue(file), b,
file->f_flags & O_NONBLOCK);
}
@@ -2215,7 +2216,7 @@ static int saa7134_streamon(struct file *file, void *priv,
{
struct saa7134_fh *fh = priv;
struct saa7134_dev *dev = fh->dev;
- int res = saa7134_resource(fh);
+ int res = saa7134_resource(file);
if (!res_get(dev, fh, res))
return -EBUSY;
@@ -2227,11 +2228,11 @@ static int saa7134_streamon(struct file *file, void *priv,
* Unfortunately, I lack register-level documentation to check the
* Linux FIFO setup and confirm the perfect value.
*/
- pm_qos_add_request(&fh->qos_request,
+ pm_qos_add_request(&dev->qos_request,
PM_QOS_CPU_DMA_LATENCY,
20);
- return videobuf_streamon(saa7134_queue(fh));
+ return videobuf_streamon(saa7134_queue(file));
}
static int saa7134_streamoff(struct file *file, void *priv,
@@ -2240,11 +2241,11 @@ static int saa7134_streamoff(struct file *file, void *priv,
int err;
struct saa7134_fh *fh = priv;
struct saa7134_dev *dev = fh->dev;
- int res = saa7134_resource(fh);
+ int res = saa7134_resource(file);
- pm_qos_remove_request(&fh->qos_request);
+ pm_qos_remove_request(&dev->qos_request);
- err = videobuf_streamoff(saa7134_queue(fh));
+ err = videobuf_streamoff(saa7134_queue(file));
if (err < 0)
return err;
res_free(dev, fh, res);
@@ -2258,9 +2259,7 @@ static int vidioc_g_register (struct file *file, void *priv,
struct saa7134_fh *fh = priv;
struct saa7134_dev *dev = fh->dev;
- if (!v4l2_chip_match_host(&reg->match))
- return -EINVAL;
- reg->val = saa_readb(reg->reg);
+ reg->val = saa_readb(reg->reg & 0xffffff);
reg->size = 1;
return 0;
}
@@ -2271,9 +2270,7 @@ static int vidioc_s_register (struct file *file, void *priv,
struct saa7134_fh *fh = priv;
struct saa7134_dev *dev = fh->dev;
- if (!v4l2_chip_match_host(&reg->match))
- return -EINVAL;
- saa_writeb(reg->reg&0xffffff, reg->val);
+ saa_writeb(reg->reg & 0xffffff, reg->val);
return 0;
}
#endif
@@ -2287,9 +2284,7 @@ static int radio_g_tuner(struct file *file, void *priv,
if (0 != t->index)
return -EINVAL;
- memset(t, 0, sizeof(*t));
strcpy(t->name, "Radio");
- t->type = V4L2_TUNER_RADIO;
saa_call_all(dev, tuner, g_tuner, t);
t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
@@ -2443,7 +2438,6 @@ struct video_device saa7134_video_template = {
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = SAA7134_NORMS,
- .current_norm = V4L2_STD_PAL,
};
struct video_device saa7134_radio_template = {
@@ -2480,6 +2474,16 @@ int saa7134_video_init1(struct saa7134_dev *dev)
dev->video_q.timeout.function = saa7134_buffer_timeout;
dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
dev->video_q.dev = dev;
+ dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
+ dev->width = 720;
+ dev->height = 576;
+ 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);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-24 06:40:41 +0000