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Diffstat (limited to 'linux/drivers/media/video/em28xx/em28xx-video.c')
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-video.c121
1 files changed, 50 insertions, 71 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-video.c b/linux/drivers/media/video/em28xx/em28xx-video.c
index ef02999ec..63d21698c 100644
--- a/linux/drivers/media/video/em28xx/em28xx-video.c
+++ b/linux/drivers/media/video/em28xx/em28xx-video.c
@@ -49,7 +49,7 @@
"Sascha Sommer <saschasommer@freenet.de>"
#define DRIVER_DESC "Empia em28xx based USB video device driver"
-#define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 1)
+#define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 2)
#define em28xx_videodbg(fmt, arg...) do {\
if (video_debug) \
@@ -404,7 +404,7 @@ buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
f.frequency = dev->ctl_freq;
f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f);
return 0;
}
@@ -519,10 +519,6 @@ static struct videobuf_queue_ops em28xx_video_qops = {
static void video_mux(struct em28xx *dev, int index)
{
- struct v4l2_routing route;
-
- route.input = INPUT(index)->vmux;
- route.output = 0;
dev->ctl_input = index;
dev->ctl_ainput = INPUT(index)->amux;
dev->ctl_aoutput = INPUT(index)->aout;
@@ -530,25 +526,22 @@ static void video_mux(struct em28xx *dev, int index)
if (!dev->ctl_aoutput)
dev->ctl_aoutput = EM28XX_AOUT_MASTER;
- em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
+ INPUT(index)->vmux, 0, 0);
if (dev->board.has_msp34xx) {
if (dev->i2s_speed) {
- em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ,
- &dev->i2s_speed);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, audio,
+ s_i2s_clock_freq, dev->i2s_speed);
}
- route.input = dev->ctl_ainput;
- route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
/* Note: this is msp3400 specific */
- em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING,
- &route);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing,
+ dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
}
if (dev->board.adecoder != EM28XX_NOADECODER) {
- route.input = dev->ctl_ainput;
- route.output = dev->ctl_aoutput;
- em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING,
- &route);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing,
+ dev->ctl_ainput, dev->ctl_aoutput, 0);
}
em28xx_audio_analog_set(dev);
@@ -698,8 +691,8 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- int width = f->fmt.pix.width;
- int height = f->fmt.pix.height;
+ unsigned int width = f->fmt.pix.width;
+ unsigned int height = f->fmt.pix.height;
unsigned int maxw = norm_maxw(dev);
unsigned int maxh = norm_maxh(dev);
unsigned int hscale, vscale;
@@ -712,34 +705,20 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
return -EINVAL;
}
- /* width must even because of the YUYV format
- height must be even because of interlacing */
- height &= 0xfffe;
- width &= 0xfffe;
-
- if (unlikely(height < 32))
- height = 32;
- if (unlikely(height > maxh))
- height = maxh;
- if (unlikely(width < 48))
- width = 48;
- if (unlikely(width > maxw))
- width = maxw;
-
if (dev->board.is_em2800) {
/* the em2800 can only scale down to 50% */
- if (height % (maxh / 2))
- height = maxh;
- if (width % (maxw / 2))
- width = maxw;
- /* according to empiatech support */
- /* the MaxPacketSize is to small to support */
- /* framesizes larger than 640x480 @ 30 fps */
- /* or 640x576 @ 25 fps. As this would cut */
- /* of a part of the image we prefer */
- /* 360x576 or 360x480 for now */
+ height = height > (3 * maxh / 4) ? maxh : maxh / 2;
+ width = width > (3 * maxw / 4) ? maxw : maxw / 2;
+ /* According to empiatech support the MaxPacketSize is too small
+ * to support framesizes larger than 640x480 @ 30 fps or 640x576
+ * @ 25 fps. As this would cut of a part of the image we prefer
+ * 360x576 or 360x480 for now */
if (width == maxw && height == maxh)
width /= 2;
+ } else {
+ /* width must even because of the YUYV format
+ height must be even because of interlacing */
+ v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
}
get_scale(dev, width, height, &hscale, &vscale);
@@ -833,7 +812,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
em28xx_resolution_set(dev);
- em28xx_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm);
mutex_unlock(&dev->lock);
return 0;
@@ -1005,8 +984,9 @@ static int vidioc_queryctrl(struct file *file, void *priv,
}
}
}
+
mutex_lock(&dev->lock);
- em28xx_i2c_call_clients(dev, VIDIOC_QUERYCTRL, qc);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc);
mutex_unlock(&dev->lock);
if (qc->type)
@@ -1030,11 +1010,11 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
mutex_lock(&dev->lock);
if (dev->board.has_msp34xx)
- em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl);
else {
rc = em28xx_get_ctrl(dev, ctrl);
if (rc < 0) {
- em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl);
rc = 0;
}
}
@@ -1058,7 +1038,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
mutex_lock(&dev->lock);
if (dev->board.has_msp34xx)
- em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl);
else {
rc = 1;
for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
@@ -1077,7 +1057,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
/* Control not found - try to send it to the attached devices */
if (rc == 1) {
- em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl);
rc = 0;
}
@@ -1102,10 +1082,9 @@ static int vidioc_g_tuner(struct file *file, void *priv,
strcpy(t->name, "Tuner");
mutex_lock(&dev->lock);
-
- em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
-
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
mutex_unlock(&dev->lock);
+
return 0;
}
@@ -1124,10 +1103,9 @@ static int vidioc_s_tuner(struct file *file, void *priv,
return -EINVAL;
mutex_lock(&dev->lock);
-
- em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
-
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
mutex_unlock(&dev->lock);
+
return 0;
}
@@ -1167,7 +1145,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
mutex_lock(&dev->lock);
dev->ctl_freq = f->frequency;
- em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
mutex_unlock(&dev->lock);
@@ -1196,7 +1174,7 @@ static int vidioc_g_chip_ident(struct file *file, void *priv,
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
- em28xx_i2c_call_clients(dev, VIDIOC_DBG_G_CHIP_IDENT, chip);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip);
return 0;
}
@@ -1221,7 +1199,7 @@ static int vidioc_g_register(struct file *file, void *priv,
reg->size = 1;
return 0;
case V4L2_CHIP_MATCH_I2C_DRIVER:
- em28xx_i2c_call_clients(dev, VIDIOC_DBG_G_REGISTER, reg);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
return 0;
case V4L2_CHIP_MATCH_I2C_ADDR:
/* Not supported yet */
@@ -1273,7 +1251,7 @@ static int vidioc_s_register(struct file *file, void *priv,
return rc;
case V4L2_CHIP_MATCH_I2C_DRIVER:
- em28xx_i2c_call_clients(dev, VIDIOC_DBG_S_REGISTER, reg);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
return 0;
case V4L2_CHIP_MATCH_I2C_ADDR:
/* Not supported yet */
@@ -1419,13 +1397,13 @@ static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
mutex_lock(&dev->lock);
f->fmt.sliced.service_set = 0;
-
- em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, g_fmt, f);
if (f->fmt.sliced.service_set == 0)
rc = -EINVAL;
mutex_unlock(&dev->lock);
+
return rc;
}
@@ -1441,7 +1419,7 @@ static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
return rc;
mutex_lock(&dev->lock);
- em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, g_fmt, f);
mutex_unlock(&dev->lock);
if (f->fmt.sliced.service_set == 0)
@@ -1579,7 +1557,7 @@ static int radio_g_tuner(struct file *file, void *priv,
t->type = V4L2_TUNER_RADIO;
mutex_lock(&dev->lock);
- em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
mutex_unlock(&dev->lock);
return 0;
@@ -1614,7 +1592,7 @@ static int radio_s_tuner(struct file *file, void *priv,
return -EINVAL;
mutex_lock(&dev->lock);
- em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
mutex_unlock(&dev->lock);
return 0;
@@ -1717,7 +1695,7 @@ static int em28xx_v4l2_open(struct file *filp)
#if 0
em28xx_start_radio(dev);
#endif
- em28xx_i2c_call_clients(dev, AUDC_SET_RADIO, NULL);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio);
}
dev->users++;
@@ -1800,7 +1778,7 @@ static int em28xx_v4l2_close(struct file *filp)
}
/* Save some power by putting tuner to sleep */
- em28xx_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_standby);
/* do this before setting alternate! */
em28xx_uninit_isoc(dev);
@@ -2026,11 +2004,12 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev,
vfd = video_device_alloc();
if (NULL == vfd)
return NULL;
- *vfd = *template;
- vfd->minor = -1;
- vfd->parent = &dev->udev->dev;
- vfd->release = video_device_release;
- vfd->debug = video_debug;
+
+ *vfd = *template;
+ vfd->minor = -1;
+ vfd->v4l2_dev = &dev->v4l2_dev;
+ vfd->release = video_device_release;
+ vfd->debug = video_debug;
snprintf(vfd->name, sizeof(vfd->name), "%s %s",
dev->name, type_name);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-09 10:22:41 +0000