aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx18/cx18-controls.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/cx18/cx18-controls.c')
-rw-r--r--drivers/media/video/cx18/cx18-controls.c70
1 files changed, 49 insertions, 21 deletions
diff --git a/drivers/media/video/cx18/cx18-controls.c b/drivers/media/video/cx18/cx18-controls.c
index 17edf305d649..82fc2f9d4021 100644
--- a/drivers/media/video/cx18/cx18-controls.c
+++ b/drivers/media/video/cx18/cx18-controls.c
@@ -22,14 +22,13 @@
*/
#include "cx18-driver.h"
-#include "cx18-av-core.h"
#include "cx18-cards.h"
#include "cx18-ioctl.h"
#include "cx18-audio.h"
-#include "cx18-i2c.h"
#include "cx18-mailbox.h"
#include "cx18-controls.h"
+/* Must be sorted from low to high control ID! */
static const u32 user_ctrls[] = {
V4L2_CID_USER_CLASS,
V4L2_CID_BRIGHTNESS,
@@ -66,7 +65,7 @@ int cx18_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
case V4L2_CID_HUE:
case V4L2_CID_SATURATION:
case V4L2_CID_CONTRAST:
- if (cx18_av_cmd(cx, VIDIOC_QUERYCTRL, qctrl))
+ if (v4l2_subdev_call(cx->sd_av, core, queryctrl, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
@@ -76,7 +75,7 @@ int cx18_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_LOUDNESS:
- if (cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_QUERYCTRL, qctrl))
+ if (v4l2_subdev_call(cx->sd_av, core, queryctrl, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
@@ -125,7 +124,7 @@ static int cx18_s_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
case V4L2_CID_HUE:
case V4L2_CID_SATURATION:
case V4L2_CID_CONTRAST:
- return cx18_av_cmd(cx, VIDIOC_S_CTRL, vctrl);
+ return v4l2_subdev_call(cx->sd_av, core, s_ctrl, vctrl);
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_MUTE:
@@ -133,7 +132,7 @@ static int cx18_s_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_LOUDNESS:
- return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_S_CTRL, vctrl);
+ return v4l2_subdev_call(cx->sd_av, core, s_ctrl, vctrl);
default:
CX18_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id);
@@ -150,7 +149,7 @@ static int cx18_g_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
case V4L2_CID_HUE:
case V4L2_CID_SATURATION:
case V4L2_CID_CONTRAST:
- return cx18_av_cmd(cx, VIDIOC_G_CTRL, vctrl);
+ return v4l2_subdev_call(cx->sd_av, core, g_ctrl, vctrl);
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_MUTE:
@@ -158,7 +157,8 @@ static int cx18_g_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_LOUDNESS:
- return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_G_CTRL, vctrl);
+ return v4l2_subdev_call(cx->sd_av, core, g_ctrl, vctrl);
+
default:
CX18_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id);
return -EINVAL;
@@ -166,38 +166,57 @@ static int cx18_g_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
return 0;
}
-static int cx18_setup_vbi_fmt(struct cx18 *cx, enum v4l2_mpeg_stream_vbi_fmt fmt)
+static int cx18_setup_vbi_fmt(struct cx18 *cx,
+ enum v4l2_mpeg_stream_vbi_fmt fmt,
+ enum v4l2_mpeg_stream_type type)
{
if (!(cx->v4l2_cap & V4L2_CAP_SLICED_VBI_CAPTURE))
return -EINVAL;
if (atomic_read(&cx->ana_capturing) > 0)
return -EBUSY;
- /* First try to allocate sliced VBI buffers if needed. */
- if (fmt && cx->vbi.sliced_mpeg_data[0] == NULL) {
+ if (fmt != V4L2_MPEG_STREAM_VBI_FMT_IVTV ||
+ type != V4L2_MPEG_STREAM_TYPE_MPEG2_PS) {
+ /* We don't do VBI insertion aside from IVTV format in a PS */
+ cx->vbi.insert_mpeg = V4L2_MPEG_STREAM_VBI_FMT_NONE;
+ CX18_DEBUG_INFO("disabled insertion of sliced VBI data into "
+ "the MPEG stream\n");
+ return 0;
+ }
+
+ /* Allocate sliced VBI buffers if needed. */
+ if (cx->vbi.sliced_mpeg_data[0] == NULL) {
int i;
for (i = 0; i < CX18_VBI_FRAMES; i++) {
- /* Yuck, hardcoded. Needs to be a define */
- cx->vbi.sliced_mpeg_data[i] = kmalloc(2049, GFP_KERNEL);
+ cx->vbi.sliced_mpeg_data[i] =
+ kmalloc(CX18_SLICED_MPEG_DATA_BUFSZ, GFP_KERNEL);
if (cx->vbi.sliced_mpeg_data[i] == NULL) {
while (--i >= 0) {
kfree(cx->vbi.sliced_mpeg_data[i]);
cx->vbi.sliced_mpeg_data[i] = NULL;
}
+ cx->vbi.insert_mpeg =
+ V4L2_MPEG_STREAM_VBI_FMT_NONE;
+ CX18_WARN("Unable to allocate buffers for "
+ "sliced VBI data insertion\n");
return -ENOMEM;
}
}
}
cx->vbi.insert_mpeg = fmt;
+ CX18_DEBUG_INFO("enabled insertion of sliced VBI data into the MPEG PS,"
+ "when sliced VBI is enabled\n");
- if (cx->vbi.insert_mpeg == 0)
- return 0;
- /* Need sliced data for mpeg insertion */
+ /*
+ * If our current settings have no lines set for capture, store a valid,
+ * default set of service lines to capture, in our current settings.
+ */
if (cx18_get_service_set(cx->vbi.sliced_in) == 0) {
if (cx->is_60hz)
- cx->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525;
+ cx->vbi.sliced_in->service_set =
+ V4L2_SLICED_CAPTION_525;
else
cx->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625;
cx18_expand_service_set(cx->vbi.sliced_in, cx->is_50hz);
@@ -259,10 +278,12 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
return err;
}
if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
+ static u32 freqs[3] = { 44100, 48000, 32000 };
struct cx18_api_func_private priv;
struct cx2341x_mpeg_params p = cx->params;
int err = cx2341x_ext_ctrls(&p, atomic_read(&cx->ana_capturing),
c, VIDIOC_S_EXT_CTRLS);
+ unsigned int idx;
if (err)
return err;
@@ -277,16 +298,23 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
fmt.fmt.pix.width = cx->params.width
/ (is_mpeg1 ? 2 : 1);
fmt.fmt.pix.height = cx->params.height;
- cx18_av_cmd(cx, VIDIOC_S_FMT, &fmt);
+ v4l2_subdev_call(cx->sd_av, video, s_fmt, &fmt);
}
priv.cx = cx;
priv.s = &cx->streams[id->type];
err = cx2341x_update(&priv, cx18_api_func, &cx->params, &p);
- if (!err && cx->params.stream_vbi_fmt != p.stream_vbi_fmt)
- err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt);
+ if (!err &&
+ (cx->params.stream_vbi_fmt != p.stream_vbi_fmt ||
+ cx->params.stream_type != p.stream_type))
+ err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt,
+ p.stream_type);
cx->params = p;
cx->dualwatch_stereo_mode = p.audio_properties & 0x0300;
- cx18_audio_set_audio_clock_freq(cx, p.audio_properties & 0x03);
+ idx = p.audio_properties & 0x03;
+ /* The audio clock of the digitizer must match the codec sample
+ rate otherwise you get some very strange effects. */
+ if (idx < sizeof(freqs))
+ cx18_call_all(cx, audio, s_clock_freq, freqs[idx]);
return err;
}
return -EINVAL;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.