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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.c117
1 files changed, 47 insertions, 70 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 4f85662cec9..7ba42e2e5a1 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -1090,8 +1090,7 @@ static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
static struct videobuf_queue *saa7134_queue(struct file *file)
{
struct video_device *vdev = video_devdata(file);
- struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
struct videobuf_queue *q = NULL;
switch (vdev->vfl_type) {
@@ -1134,7 +1133,6 @@ static int video_open(struct file *file)
v4l2_fh_init(&fh->fh, vdev);
file->private_data = fh;
- fh->dev = dev;
if (vdev->vfl_type == VFL_TYPE_RADIO) {
/* switch to radio mode */
@@ -1153,17 +1151,18 @@ 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_dev *dev = video_drvdata(file);
struct saa7134_fh *fh = file->private_data;
switch (vdev->vfl_type) {
case VFL_TYPE_GRABBER:
- if (res_locked(fh->dev,RESOURCE_VIDEO))
+ if (res_locked(dev, RESOURCE_VIDEO))
return -EBUSY;
return videobuf_read_one(saa7134_queue(file),
data, count, ppos,
file->f_flags & O_NONBLOCK);
case VFL_TYPE_VBI:
- if (!res_get(fh->dev,fh,RESOURCE_VBI))
+ if (!res_get(dev, fh, RESOURCE_VBI))
return -EBUSY;
return videobuf_read_stream(saa7134_queue(file),
data, count, ppos, 1,
@@ -1179,15 +1178,15 @@ static unsigned int
video_poll(struct file *file, struct poll_table_struct *wait)
{
struct video_device *vdev = video_devdata(file);
+ struct saa7134_dev *dev = video_drvdata(file);
struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
struct videobuf_buffer *buf = NULL;
unsigned int rc = 0;
if (vdev->vfl_type == VFL_TYPE_VBI)
return videobuf_poll_stream(file, &dev->vbi, wait);
- if (res_check(fh,RESOURCE_VIDEO)) {
+ if (res_check(fh, RESOURCE_VIDEO)) {
mutex_lock(&dev->cap.vb_lock);
if (!list_empty(&dev->cap.stream))
buf = list_entry(dev->cap.stream.next, struct videobuf_buffer, stream);
@@ -1195,7 +1194,7 @@ video_poll(struct file *file, struct poll_table_struct *wait)
mutex_lock(&dev->cap.vb_lock);
if (UNSET == dev->cap.read_off) {
/* need to capture a new frame */
- if (res_locked(fh->dev,RESOURCE_VIDEO))
+ if (res_locked(dev, RESOURCE_VIDEO))
goto err;
if (0 != dev->cap.ops->buf_prepare(&dev->cap,
dev->cap.read_buf, dev->cap.field))
@@ -1224,8 +1223,8 @@ 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 saa7134_dev *dev = video_drvdata(file);
+ struct saa7134_fh *fh = file->private_data;
struct saa6588_command cmd;
unsigned long flags;
@@ -1236,14 +1235,14 @@ static int video_release(struct file *file)
spin_lock_irqsave(&dev->slock,flags);
stop_preview(dev);
spin_unlock_irqrestore(&dev->slock,flags);
- res_free(dev,fh,RESOURCE_OVERLAY);
+ res_free(dev, fh, RESOURCE_OVERLAY);
}
/* stop video capture */
if (res_check(fh, RESOURCE_VIDEO)) {
pm_qos_remove_request(&dev->qos_request);
videobuf_streamoff(&dev->cap);
- res_free(dev,fh,RESOURCE_VIDEO);
+ res_free(dev, fh, RESOURCE_VIDEO);
videobuf_mmap_free(&dev->cap);
}
if (dev->cap.read_buf) {
@@ -1254,7 +1253,7 @@ static int video_release(struct file *file)
/* stop vbi capture */
if (res_check(fh, RESOURCE_VBI)) {
videobuf_stop(&dev->vbi);
- res_free(dev,fh,RESOURCE_VBI);
+ res_free(dev, fh, RESOURCE_VBI);
videobuf_mmap_free(&dev->vbi);
}
@@ -1283,8 +1282,7 @@ static int video_mmap(struct file *file, struct vm_area_struct * vma)
static ssize_t radio_read(struct file *file, char __user *data,
size_t count, loff_t *ppos)
{
- struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
struct saa6588_command cmd;
cmd.block_count = count/3;
@@ -1299,8 +1297,7 @@ static ssize_t radio_read(struct file *file, char __user *data,
static unsigned int radio_poll(struct file *file, poll_table *wait)
{
- struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
struct saa6588_command cmd;
cmd.instance = file;
@@ -1316,8 +1313,7 @@ static unsigned int radio_poll(struct file *file, poll_table *wait)
static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
struct saa7134_tvnorm *norm = dev->tvnorm;
memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
@@ -1337,8 +1333,7 @@ static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
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;
+ struct saa7134_dev *dev = video_drvdata(file);
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
@@ -1356,8 +1351,7 @@ static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
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 saa7134_dev *dev = video_drvdata(file);
struct v4l2_clip __user *clips = f->fmt.win.clips;
u32 clipcount = f->fmt.win.clipcount;
int err = 0;
@@ -1389,8 +1383,7 @@ static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
struct saa7134_format *fmt;
enum v4l2_field field;
unsigned int maxw, maxh;
@@ -1441,8 +1434,7 @@ static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
if (saa7134_no_overlay > 0) {
printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
@@ -1457,8 +1449,7 @@ static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
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;
+ struct saa7134_dev *dev = video_drvdata(file);
int err;
err = saa7134_try_fmt_vid_cap(file, priv, f);
@@ -1475,8 +1466,7 @@ static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
int err;
unsigned long flags;
@@ -1501,7 +1491,7 @@ static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
return -EFAULT;
}
- if (res_check(fh, RESOURCE_OVERLAY)) {
+ if (res_check(priv, RESOURCE_OVERLAY)) {
spin_lock_irqsave(&dev->slock, flags);
stop_preview(dev);
start_preview(dev);
@@ -1572,6 +1562,7 @@ int saa7134_querycap(struct file *file, void *priv,
{
struct saa7134_dev *dev = video_drvdata(file);
struct video_device *vdev = video_devdata(file);
+ struct saa7134_fh *fh = priv;
u32 radio_caps, video_caps, vbi_caps;
unsigned int tuner_type = dev->tuner_type;
@@ -1590,8 +1581,7 @@ int saa7134_querycap(struct file *file, void *priv,
radio_caps |= V4L2_CAP_RDS_CAPTURE;
video_caps = V4L2_CAP_VIDEO_CAPTURE;
- /* For the empress video node priv == dev */
- if (saa7134_no_overlay <= 0 && priv != dev)
+ if (saa7134_no_overlay <= 0 && !fh->is_empress)
video_caps |= V4L2_CAP_VIDEO_OVERLAY;
vbi_caps = V4L2_CAP_VBI_CAPTURE;
@@ -1622,13 +1612,12 @@ EXPORT_SYMBOL_GPL(saa7134_querycap);
int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
{
struct saa7134_dev *dev = video_drvdata(file);
- /* For the empress video node priv == dev */
- bool is_empress = priv == dev;
+ struct saa7134_fh *fh = priv;
unsigned long flags;
unsigned int i;
v4l2_std_id fixup;
- if (is_empress && res_locked(dev, RESOURCE_OVERLAY)) {
+ if (fh->is_empress && res_locked(dev, RESOURCE_OVERLAY)) {
/* Don't change the std from the mpeg device
if overlay is active. */
return -EBUSY;
@@ -1668,7 +1657,7 @@ int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
id = tvnorms[i].id;
mutex_lock(&dev->lock);
- if (!is_empress && res_check(priv, RESOURCE_OVERLAY)) {
+ if (!fh->is_empress && res_check(fh, RESOURCE_OVERLAY)) {
spin_lock_irqsave(&dev->slock, flags);
stop_preview(dev);
spin_unlock_irqrestore(&dev->slock, flags);
@@ -1699,8 +1688,7 @@ EXPORT_SYMBOL_GPL(saa7134_g_std);
static int saa7134_cropcap(struct file *file, void *priv,
struct v4l2_cropcap *cap)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
@@ -1722,8 +1710,7 @@ static int saa7134_cropcap(struct file *file, void *priv,
static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
{
- struct saa7134_fh *fh = f;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
@@ -1734,8 +1721,7 @@ static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
{
- struct saa7134_fh *fh = f;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
struct v4l2_rect *b = &dev->crop_bounds;
struct v4l2_rect *c = &dev->crop_current;
@@ -1747,9 +1733,9 @@ static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *cr
if (crop->c.width < 0)
return -EINVAL;
- if (res_locked(fh->dev, RESOURCE_OVERLAY))
+ if (res_locked(dev, RESOURCE_OVERLAY))
return -EBUSY;
- if (res_locked(fh->dev, RESOURCE_VIDEO))
+ if (res_locked(dev, RESOURCE_VIDEO))
return -EBUSY;
*c = crop->c;
@@ -1889,8 +1875,7 @@ static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
static int saa7134_g_fbuf(struct file *file, void *f,
struct v4l2_framebuffer *fb)
{
- struct saa7134_fh *fh = f;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
*fb = dev->ovbuf;
fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
@@ -1901,8 +1886,7 @@ static int saa7134_g_fbuf(struct file *file, void *f,
static int saa7134_s_fbuf(struct file *file, void *f,
const struct v4l2_framebuffer *fb)
{
- struct saa7134_fh *fh = f;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
struct saa7134_format *fmt;
if (!capable(CAP_SYS_ADMIN) &&
@@ -1923,10 +1907,9 @@ static int saa7134_s_fbuf(struct file *file, void *f,
return 0;
}
-static int saa7134_overlay(struct file *file, void *f, unsigned int on)
+static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
{
- struct saa7134_fh *fh = f;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
unsigned long flags;
if (on) {
@@ -1935,19 +1918,19 @@ static int saa7134_overlay(struct file *file, void *f, unsigned int on)
return -EINVAL;
}
- if (!res_get(dev, fh, RESOURCE_OVERLAY))
+ if (!res_get(dev, priv, RESOURCE_OVERLAY))
return -EBUSY;
spin_lock_irqsave(&dev->slock, flags);
start_preview(dev);
spin_unlock_irqrestore(&dev->slock, flags);
}
if (!on) {
- if (!res_check(fh, RESOURCE_OVERLAY))
+ if (!res_check(priv, RESOURCE_OVERLAY))
return -EINVAL;
spin_lock_irqsave(&dev->slock, flags);
stop_preview(dev);
spin_unlock_irqrestore(&dev->slock, flags);
- res_free(dev, fh, RESOURCE_OVERLAY);
+ res_free(dev, priv, RESOURCE_OVERLAY);
}
return 0;
}
@@ -1978,11 +1961,10 @@ static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
static int saa7134_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
int res = saa7134_resource(file);
- if (!res_get(dev, fh, res))
+ if (!res_get(dev, priv, res))
return -EBUSY;
/* The SAA7134 has a 1K FIFO; the datasheet suggests that when
@@ -2002,9 +1984,8 @@ static int saa7134_streamon(struct file *file, void *priv,
static int saa7134_streamoff(struct file *file, void *priv,
enum v4l2_buf_type type)
{
+ struct saa7134_dev *dev = video_drvdata(file);
int err;
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
int res = saa7134_resource(file);
pm_qos_remove_request(&dev->qos_request);
@@ -2012,7 +1993,7 @@ static int saa7134_streamoff(struct file *file, void *priv,
err = videobuf_streamoff(saa7134_queue(file));
if (err < 0)
return err;
- res_free(dev, fh, res);
+ res_free(dev, priv, res);
return 0;
}
@@ -2020,8 +2001,7 @@ static int saa7134_streamoff(struct file *file, void *priv,
static int vidioc_g_register (struct file *file, void *priv,
struct v4l2_dbg_register *reg)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
reg->val = saa_readb(reg->reg & 0xffffff);
reg->size = 1;
@@ -2031,8 +2011,7 @@ static int vidioc_g_register (struct file *file, void *priv,
static int vidioc_s_register (struct file *file, void *priv,
const struct v4l2_dbg_register *reg)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
saa_writeb(reg->reg & 0xffffff, reg->val);
return 0;
@@ -2042,8 +2021,7 @@ static int vidioc_s_register (struct file *file, void *priv,
static int radio_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
- struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
if (0 != t->index)
return -EINVAL;
@@ -2062,8 +2040,7 @@ static int radio_g_tuner(struct file *file, void *priv,
static int radio_s_tuner(struct file *file, void *priv,
const struct v4l2_tuner *t)
{
- struct saa7134_fh *fh = file->private_data;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = video_drvdata(file);
if (0 != t->index)
return -EINVAL;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-01 19:36:02 +0000