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path: root/drivers/media/video/saa7134/saa7134-empress.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-empress.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-empress.c140
1 files changed, 108 insertions, 32 deletions
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index 3ae71a340822..c0c5d7509c25 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -89,14 +89,14 @@ static int ts_open(struct inode *inode, struct file *file)
err = -EBUSY;
if (!mutex_trylock(&dev->empress_tsq.vb_lock))
goto done;
- if (dev->empress_users)
+ if (atomic_read(&dev->empress_users))
goto done_up;
/* Unmute audio */
saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6));
- dev->empress_users++;
+ atomic_inc(&dev->empress_users);
file->private_data = dev;
err = 0;
@@ -110,8 +110,6 @@ static int ts_release(struct inode *inode, struct file *file)
{
struct saa7134_dev *dev = file->private_data;
- mutex_lock(&dev->empress_tsq.vb_lock);
-
videobuf_stop(&dev->empress_tsq);
videobuf_mmap_free(&dev->empress_tsq);
@@ -122,9 +120,7 @@ static int ts_release(struct inode *inode, struct file *file)
saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6));
- dev->empress_users--;
-
- mutex_unlock(&dev->empress_tsq.vb_lock);
+ atomic_dec(&dev->empress_users);
return 0;
}
@@ -208,7 +204,7 @@ static int empress_s_input(struct file *file, void *priv, unsigned int i)
return 0;
}
-static int empress_enum_fmt_cap(struct file *file, void *priv,
+static int empress_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (f->index != 0)
@@ -220,7 +216,7 @@ static int empress_enum_fmt_cap(struct file *file, void *priv,
return 0;
}
-static int empress_g_fmt_cap(struct file *file, void *priv,
+static int empress_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct saa7134_dev *dev = file->private_data;
@@ -233,7 +229,7 @@ static int empress_g_fmt_cap(struct file *file, void *priv,
return 0;
}
-static int empress_s_fmt_cap(struct file *file, void *priv,
+static int empress_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct saa7134_dev *dev = file->private_data;
@@ -294,10 +290,20 @@ static int empress_streamoff(struct file *file, void *priv,
return videobuf_streamoff(&dev->empress_tsq);
}
+static int saa7134_i2c_call_saa6752(struct saa7134_dev *dev,
+ unsigned int cmd, void *arg)
+{
+ if (dev->mpeg_i2c_client == NULL)
+ return -EINVAL;
+ return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client,
+ cmd, arg);
+}
+
static int empress_s_ext_ctrls(struct file *file, void *priv,
struct v4l2_ext_controls *ctrls)
{
struct saa7134_dev *dev = file->private_data;
+ int err;
/* count == 0 is abused in saa6752hs.c, so that special
case is handled here explicitly. */
@@ -307,10 +313,10 @@ static int empress_s_ext_ctrls(struct file *file, void *priv,
if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
- saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, ctrls);
+ err = saa7134_i2c_call_saa6752(dev, VIDIOC_S_EXT_CTRLS, ctrls);
ts_init_encoder(dev);
- return 0;
+ return err;
}
static int empress_g_ext_ctrls(struct file *file, void *priv,
@@ -320,9 +326,78 @@ static int empress_g_ext_ctrls(struct file *file, void *priv,
if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
- saa7134_i2c_call_clients(dev, VIDIOC_G_EXT_CTRLS, ctrls);
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_G_EXT_CTRLS, ctrls);
+}
- return 0;
+static int empress_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *c)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return saa7134_g_ctrl_internal(dev, NULL, c);
+}
+
+static int empress_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *c)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return saa7134_s_ctrl_internal(dev, NULL, c);
+}
+
+static int empress_queryctrl(struct file *file, void *priv,
+ struct v4l2_queryctrl *c)
+{
+ static const u32 user_ctrls[] = {
+ V4L2_CID_USER_CLASS,
+ V4L2_CID_BRIGHTNESS,
+ V4L2_CID_CONTRAST,
+ V4L2_CID_SATURATION,
+ V4L2_CID_HUE,
+ V4L2_CID_AUDIO_VOLUME,
+ V4L2_CID_AUDIO_MUTE,
+ V4L2_CID_HFLIP,
+ 0
+ };
+
+ static const u32 mpeg_ctrls[] = {
+ V4L2_CID_MPEG_CLASS,
+ V4L2_CID_MPEG_STREAM_TYPE,
+ V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
+ V4L2_CID_MPEG_AUDIO_ENCODING,
+ V4L2_CID_MPEG_AUDIO_L2_BITRATE,
+ V4L2_CID_MPEG_VIDEO_ENCODING,
+ V4L2_CID_MPEG_VIDEO_ASPECT,
+ V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
+ V4L2_CID_MPEG_VIDEO_BITRATE,
+ V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
+ 0
+ };
+ static const u32 *ctrl_classes[] = {
+ user_ctrls,
+ mpeg_ctrls,
+ NULL
+ };
+ struct saa7134_dev *dev = file->private_data;
+
+ c->id = v4l2_ctrl_next(ctrl_classes, c->id);
+ if (c->id == 0)
+ return -EINVAL;
+ if (c->id == V4L2_CID_USER_CLASS || c->id == V4L2_CID_MPEG_CLASS)
+ return v4l2_ctrl_query_fill_std(c);
+ if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG)
+ return saa7134_queryctrl(file, priv, c);
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYCTRL, c);
+}
+
+static int empress_querymenu(struct file *file, void *priv,
+ struct v4l2_querymenu *c)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG)
+ return -EINVAL;
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYMENU, c);
}
static const struct file_operations ts_fops =
@@ -337,20 +412,11 @@ static const struct file_operations ts_fops =
.llseek = no_llseek,
};
-/* ----------------------------------------------------------- */
-
-static struct video_device saa7134_empress_template =
-{
- .name = "saa7134-empress",
- .type = 0 /* FIXME */,
- .type2 = 0 /* FIXME */,
- .fops = &ts_fops,
- .minor = -1,
-
+static const struct v4l2_ioctl_ops ts_ioctl_ops = {
.vidioc_querycap = empress_querycap,
- .vidioc_enum_fmt_cap = empress_enum_fmt_cap,
- .vidioc_s_fmt_cap = empress_s_fmt_cap,
- .vidioc_g_fmt_cap = empress_g_fmt_cap,
+ .vidioc_enum_fmt_vid_cap = empress_enum_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = empress_s_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = empress_g_fmt_vid_cap,
.vidioc_reqbufs = empress_reqbufs,
.vidioc_querybuf = empress_querybuf,
.vidioc_qbuf = empress_qbuf,
@@ -363,9 +429,19 @@ static struct video_device saa7134_empress_template =
.vidioc_g_input = empress_g_input,
.vidioc_s_input = empress_s_input,
- .vidioc_queryctrl = saa7134_queryctrl,
- .vidioc_g_ctrl = saa7134_g_ctrl,
- .vidioc_s_ctrl = saa7134_s_ctrl,
+ .vidioc_queryctrl = empress_queryctrl,
+ .vidioc_querymenu = empress_querymenu,
+ .vidioc_g_ctrl = empress_g_ctrl,
+ .vidioc_s_ctrl = empress_s_ctrl,
+};
+
+/* ----------------------------------------------------------- */
+
+static struct video_device saa7134_empress_template = {
+ .name = "saa7134-empress",
+ .fops = &ts_fops,
+ .minor = -1,
+ .ioctl_ops = &ts_ioctl_ops,
.tvnorms = SAA7134_NORMS,
.current_norm = V4L2_STD_PAL,
@@ -381,7 +457,7 @@ static void empress_signal_update(struct work_struct *work)
ts_reset_encoder(dev);
} else {
dprintk("video signal acquired\n");
- if (dev->empress_users)
+ if (atomic_read(&dev->empress_users))
ts_init_encoder(dev);
}
}
@@ -401,7 +477,7 @@ static int empress_init(struct saa7134_dev *dev)
if (NULL == dev->empress_dev)
return -ENOMEM;
*(dev->empress_dev) = saa7134_empress_template;
- dev->empress_dev->dev = &dev->pci->dev;
+ dev->empress_dev->parent = &dev->pci->dev;
dev->empress_dev->release = video_device_release;
snprintf(dev->empress_dev->name, sizeof(dev->empress_dev->name),
"%s empress (%s)", dev->name,
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-16 23:06:12 +0000