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authorHans Verkuil <hans.verkuil@cisco.com>2013-04-14 12:07:13 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-04-16 18:09:57 -0300
commit1f1988706d77083040113094a4bee2e9e1bdc34f (patch)
treeb9dff012fec01c1826c548cb4be7f9a8f2d35839 /drivers/media/pci/cx25821
parenta6aa0dc482d7aad5fc4366d4c92d07a10d712b82 (diff)
downloadlinux-linaro-stable-1f1988706d77083040113094a4bee2e9e1bdc34f.tar.gz
[media] cx25821: setup output nodes correctly
Drop the custom ioctls and enable the video output nodes again, this time using standard ioctls. The next step will be to provide a proper write() interface. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/pci/cx25821')
-rw-r--r--drivers/media/pci/cx25821/cx25821-core.c30
-rw-r--r--drivers/media/pci/cx25821/cx25821-video.c214
-rw-r--r--drivers/media/pci/cx25821/cx25821-video.h7
-rw-r--r--drivers/media/pci/cx25821/cx25821.h16
4 files changed, 67 insertions, 200 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c
index ba417c978415..9068d53a5b8f 100644
--- a/drivers/media/pci/cx25821/cx25821-core.c
+++ b/drivers/media/pci/cx25821/cx25821-core.c
@@ -956,36 +956,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
return 0;
}
-void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev,
- struct upstream_user_struct *up_data)
-{
- dev->_isNTSC = !strcmp(dev->vid_stdname, "NTSC") ? 1 : 0;
-
- dev->tvnorm = !dev->_isNTSC ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
- medusa_set_videostandard(dev);
-
- cx25821_vidupstream_init_ch1(dev, dev->channel_select,
- dev->pixel_format);
-}
-
-void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev,
- struct upstream_user_struct *up_data)
-{
- dev->_isNTSC_ch2 = !strcmp(dev->vid_stdname_ch2, "NTSC") ? 1 : 0;
-
- dev->tvnorm = !dev->_isNTSC_ch2 ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
- medusa_set_videostandard(dev);
-
- cx25821_vidupstream_init_ch2(dev, dev->channel_select_ch2,
- dev->pixel_format_ch2);
-}
-
-void cx25821_start_upstream_audio(struct cx25821_dev *dev,
- struct upstream_user_struct *up_data)
-{
- cx25821_audio_upstream_init(dev, AUDIO_UPSTREAM_SRAM_CHANNEL_B);
-}
-
void cx25821_dev_unregister(struct cx25821_dev *dev)
{
int i;
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index 49686447cc4a..8d5d13bb5f09 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -826,140 +826,27 @@ static int cx25821_s_ctrl(struct v4l2_ctrl *ctrl)
return 0;
}
-static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
- unsigned long arg)
+static int cx25821_vidioc_enum_output(struct file *file, void *priv,
+ struct v4l2_output *o)
{
- struct cx25821_channel *chan = video_drvdata(file);
- struct cx25821_dev *dev = chan->dev;
- int command = 0;
- struct upstream_user_struct *data_from_user;
-
- data_from_user = (struct upstream_user_struct *)arg;
-
- if (!data_from_user) {
- pr_err("%s(): Upstream data is INVALID. Returning\n", __func__);
- return 0;
- }
-
- command = data_from_user->command;
-
- if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO)
- return 0;
-
- dev->input_filename = data_from_user->input_filename;
- dev->input_audiofilename = data_from_user->input_filename;
- dev->vid_stdname = data_from_user->vid_stdname;
- dev->pixel_format = data_from_user->pixel_format;
- dev->channel_select = data_from_user->channel_select;
- dev->command = data_from_user->command;
-
- switch (command) {
- case UPSTREAM_START_VIDEO:
- cx25821_start_upstream_video_ch1(dev, data_from_user);
- break;
-
- case UPSTREAM_STOP_VIDEO:
- cx25821_stop_upstream_video_ch1(dev);
- break;
- }
+ if (o->index)
+ return -EINVAL;
+ o->type = V4L2_INPUT_TYPE_CAMERA;
+ o->std = CX25821_NORMS;
+ strcpy(o->name, "Composite");
return 0;
}
-static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
- unsigned long arg)
+static int cx25821_vidioc_g_output(struct file *file, void *priv, unsigned int *o)
{
- struct cx25821_channel *chan = video_drvdata(file);
- struct cx25821_dev *dev = chan->dev;
- int command = 0;
- struct upstream_user_struct *data_from_user;
-
- data_from_user = (struct upstream_user_struct *)arg;
-
- if (!data_from_user) {
- pr_err("%s(): Upstream data is INVALID. Returning\n", __func__);
- return 0;
- }
-
- command = data_from_user->command;
-
- if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO)
- return 0;
-
- dev->input_filename_ch2 = data_from_user->input_filename;
- dev->input_audiofilename = data_from_user->input_filename;
- dev->vid_stdname_ch2 = data_from_user->vid_stdname;
- dev->pixel_format_ch2 = data_from_user->pixel_format;
- dev->channel_select_ch2 = data_from_user->channel_select;
- dev->command_ch2 = data_from_user->command;
-
- switch (command) {
- case UPSTREAM_START_VIDEO:
- cx25821_start_upstream_video_ch2(dev, data_from_user);
- break;
-
- case UPSTREAM_STOP_VIDEO:
- cx25821_stop_upstream_video_ch2(dev);
- break;
- }
-
+ *o = 0;
return 0;
}
-static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
- unsigned long arg)
+static int cx25821_vidioc_s_output(struct file *file, void *priv, unsigned int o)
{
- struct cx25821_channel *chan = video_drvdata(file);
- struct cx25821_dev *dev = chan->dev;
- int command = 0;
- struct upstream_user_struct *data_from_user;
-
- data_from_user = (struct upstream_user_struct *)arg;
-
- if (!data_from_user) {
- pr_err("%s(): Upstream data is INVALID. Returning\n", __func__);
- return 0;
- }
-
- command = data_from_user->command;
-
- if (command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO)
- return 0;
-
- dev->input_filename = data_from_user->input_filename;
- dev->input_audiofilename = data_from_user->input_filename;
- dev->vid_stdname = data_from_user->vid_stdname;
- dev->pixel_format = data_from_user->pixel_format;
- dev->channel_select = data_from_user->channel_select;
- dev->command = data_from_user->command;
-
- switch (command) {
- case UPSTREAM_START_AUDIO:
- cx25821_start_upstream_audio(dev, data_from_user);
- break;
-
- case UPSTREAM_STOP_AUDIO:
- cx25821_stop_upstream_audio(dev);
- break;
- }
-
- return 0;
-}
-
-static long cx25821_video_ioctl(struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- struct cx25821_channel *chan = video_drvdata(file);
-
- /* check to see if it's the video upstream */
- if (chan->id == SRAM_CH09)
- return video_ioctl_upstream9(file, cmd, arg);
- if (chan->id == SRAM_CH10)
- return video_ioctl_upstream10(file, cmd, arg);
- if (chan->id == SRAM_CH11)
- return video_ioctl_upstream11(file, cmd, arg);
-
- return video_ioctl2(file, cmd, arg);
+ return o ? -EINVAL : 0;
}
static const struct v4l2_ctrl_ops cx25821_ctrl_ops = {
@@ -973,7 +860,7 @@ static const struct v4l2_file_operations video_fops = {
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
- .unlocked_ioctl = cx25821_video_ioctl,
+ .unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
@@ -1007,6 +894,32 @@ static const struct video_device cx25821_video_device = {
.tvnorms = CX25821_NORMS,
};
+static const struct v4l2_file_operations video_out_fops = {
+ .owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = v4l2_fh_release,
+ .unlocked_ioctl = video_ioctl2,
+};
+
+static const struct v4l2_ioctl_ops video_out_ioctl_ops = {
+ .vidioc_querycap = cx25821_vidioc_querycap,
+ .vidioc_g_std = cx25821_vidioc_g_std,
+ .vidioc_s_std = cx25821_vidioc_s_std,
+ .vidioc_enum_output = cx25821_vidioc_enum_output,
+ .vidioc_g_output = cx25821_vidioc_g_output,
+ .vidioc_s_output = cx25821_vidioc_s_output,
+ .vidioc_log_status = vidioc_log_status,
+};
+
+static const struct video_device cx25821_video_out_device = {
+ .name = "cx25821-video",
+ .fops = &video_out_fops,
+ .release = video_device_release_empty,
+ .minor = -1,
+ .ioctl_ops = &video_out_ioctl_ops,
+ .tvnorms = CX25821_NORMS,
+};
+
void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num)
{
cx_clear(PCI_INT_MSK, 1);
@@ -1030,30 +943,33 @@ int cx25821_video_register(struct cx25821_dev *dev)
spin_lock_init(&dev->slock);
- for (i = 0; i < VID_CHANNEL_NUM; ++i) {
+ for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) {
struct cx25821_channel *chan = &dev->channels[i];
struct video_device *vdev = &chan->vdev;
struct v4l2_ctrl_handler *hdl = &chan->hdl;
+ bool is_output = i > SRAM_CH08;
if (i == SRAM_CH08) /* audio channel */
continue;
- v4l2_ctrl_handler_init(hdl, 4);
- v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
- V4L2_CID_BRIGHTNESS, 0, 10000, 1, 6200);
- v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
- V4L2_CID_CONTRAST, 0, 10000, 1, 5000);
- v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
- V4L2_CID_SATURATION, 0, 10000, 1, 5000);
- v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
- V4L2_CID_HUE, 0, 10000, 1, 5000);
- if (hdl->error) {
- err = hdl->error;
- goto fail_unreg;
+ if (!is_output) {
+ v4l2_ctrl_handler_init(hdl, 4);
+ v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 10000, 1, 6200);
+ v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 10000, 1, 5000);
+ v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 10000, 1, 5000);
+ v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
+ V4L2_CID_HUE, 0, 10000, 1, 5000);
+ if (hdl->error) {
+ err = hdl->error;
+ goto fail_unreg;
+ }
+ err = v4l2_ctrl_handler_setup(hdl);
+ if (err)
+ goto fail_unreg;
}
- err = v4l2_ctrl_handler_setup(hdl);
- if (err)
- goto fail_unreg;
cx25821_risc_stopper(dev->pci, &chan->dma_vidq.stopper,
chan->sram_channels->dma_ctl, 0x11, 0);
@@ -1081,15 +997,19 @@ int cx25821_video_register(struct cx25821_dev *dev)
chan->dma_vidq.timeout.data = (unsigned long)&chan->timeout_data;
init_timer(&chan->dma_vidq.timeout);
- videobuf_queue_sg_init(&chan->vidq, &cx25821_video_qops, &dev->pci->dev,
- &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_INTERLACED, sizeof(struct cx25821_buffer),
- chan, &dev->lock);
+ if (!is_output)
+ videobuf_queue_sg_init(&chan->vidq, &cx25821_video_qops, &dev->pci->dev,
+ &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_INTERLACED, sizeof(struct cx25821_buffer),
+ chan, &dev->lock);
/* register v4l devices */
- *vdev = cx25821_video_device;
+ *vdev = is_output ? cx25821_video_out_device : cx25821_video_device;
vdev->v4l2_dev = &dev->v4l2_dev;
- vdev->ctrl_handler = hdl;
+ if (!is_output)
+ vdev->ctrl_handler = hdl;
+ else
+ vdev->vfl_dir = VFL_DIR_TX;
vdev->lock = &dev->lock;
set_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags);
snprintf(vdev->name, sizeof(vdev->name), "%s #%d", dev->name, i);
diff --git a/drivers/media/pci/cx25821/cx25821-video.h b/drivers/media/pci/cx25821/cx25821-video.h
index 8871c4e737e8..ab63b3858acf 100644
--- a/drivers/media/pci/cx25821/cx25821-video.h
+++ b/drivers/media/pci/cx25821/cx25821-video.h
@@ -49,13 +49,6 @@ do { \
printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \
} while (0)
-/* For IOCTL to identify running upstream */
-#define UPSTREAM_START_VIDEO 700
-#define UPSTREAM_STOP_VIDEO 701
-#define UPSTREAM_START_AUDIO 702
-#define UPSTREAM_STOP_AUDIO 703
-#define UPSTREAM_DUMP_REGISTERS 702
-
#define FORMAT_FLAGS_PACKED 0x01
extern void cx25821_video_wakeup(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q, u32 count);
diff --git a/drivers/media/pci/cx25821/cx25821.h b/drivers/media/pci/cx25821/cx25821.h
index 67b3c550e454..156ad6f2c634 100644
--- a/drivers/media/pci/cx25821/cx25821.h
+++ b/drivers/media/pci/cx25821/cx25821.h
@@ -329,14 +329,6 @@ struct cx25821_dev {
int command;
};
-struct upstream_user_struct {
- char *input_filename;
- char *vid_stdname;
- int pixel_format;
- int channel_select;
- int command;
-};
-
static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
{
return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev);
@@ -480,14 +472,6 @@ extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev);
extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev);
extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
-extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev,
- struct upstream_user_struct
- *up_data);
-extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev,
- struct upstream_user_struct
- *up_data);
-extern void cx25821_start_upstream_audio(struct cx25821_dev *dev,
- struct upstream_user_struct *up_data);
extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev);
extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev);
extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);