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path: root/drivers/media/video/cx2341x.c
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Diffstat (limited to 'drivers/media/video/cx2341x.c')
-rw-r--r--drivers/media/video/cx2341x.c196
1 files changed, 172 insertions, 24 deletions
diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c
index cbbe47fb87b..8ded5294633 100644
--- a/drivers/media/video/cx2341x.c
+++ b/drivers/media/video/cx2341x.c
@@ -1,5 +1,5 @@
/*
- * cx2341x - generic code for cx23415/6 based devices
+ * cx2341x - generic code for cx23415/6/8 based devices
*
* Copyright (C) 2006 Hans Verkuil <hverkuil@xs4all.nl>
*
@@ -30,7 +30,7 @@
#include <media/cx2341x.h>
#include <media/v4l2-common.h>
-MODULE_DESCRIPTION("cx23415/6 driver");
+MODULE_DESCRIPTION("cx23415/6/8 driver");
MODULE_AUTHOR("Hans Verkuil");
MODULE_LICENSE("GPL");
@@ -38,6 +38,7 @@ static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
+/* Must be sorted from low to high control ID! */
const u32 cx2341x_mpeg_ctrls[] = {
V4L2_CID_MPEG_CLASS,
V4L2_CID_MPEG_STREAM_TYPE,
@@ -50,6 +51,7 @@ const u32 cx2341x_mpeg_ctrls[] = {
V4L2_CID_MPEG_AUDIO_EMPHASIS,
V4L2_CID_MPEG_AUDIO_CRC,
V4L2_CID_MPEG_AUDIO_MUTE,
+ V4L2_CID_MPEG_AUDIO_AC3_BITRATE,
V4L2_CID_MPEG_VIDEO_ENCODING,
V4L2_CID_MPEG_VIDEO_ASPECT,
V4L2_CID_MPEG_VIDEO_B_FRAMES,
@@ -94,6 +96,7 @@ static const struct cx2341x_mpeg_params default_params = {
.audio_sampling_freq = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
.audio_encoding = V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
.audio_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_224K,
+ .audio_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_224K,
.audio_mode = V4L2_MPEG_AUDIO_MODE_STEREO,
.audio_mode_extension = V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
.audio_emphasis = V4L2_MPEG_AUDIO_EMPHASIS_NONE,
@@ -148,6 +151,9 @@ static int cx2341x_get_ctrl(const struct cx2341x_mpeg_params *params,
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
ctrl->value = params->audio_l2_bitrate;
break;
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
+ ctrl->value = params->audio_ac3_bitrate;
+ break;
case V4L2_CID_MPEG_AUDIO_MODE:
ctrl->value = params->audio_mode;
break;
@@ -256,6 +262,12 @@ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, int busy,
params->audio_sampling_freq = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_ENCODING:
+ if (busy)
+ return -EBUSY;
+ if (params->capabilities & CX2341X_CAP_HAS_AC3)
+ if (ctrl->value != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 &&
+ ctrl->value != V4L2_MPEG_AUDIO_ENCODING_AC3)
+ return -ERANGE;
params->audio_encoding = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
@@ -263,6 +275,13 @@ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, int busy,
return -EBUSY;
params->audio_l2_bitrate = ctrl->value;
break;
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
+ if (busy)
+ return -EBUSY;
+ if (!(params->capabilities & CX2341X_CAP_HAS_AC3))
+ return -EINVAL;
+ params->audio_ac3_bitrate = ctrl->value;
+ break;
case V4L2_CID_MPEG_AUDIO_MODE:
params->audio_mode = ctrl->value;
break;
@@ -481,29 +500,106 @@ int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params,
int err;
switch (qctrl->id) {
+ case V4L2_CID_MPEG_STREAM_TYPE:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
+
+ case V4L2_CID_MPEG_STREAM_VBI_FMT:
+ if (params->capabilities & CX2341X_CAP_HAS_SLICED_VBI)
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_STREAM_VBI_FMT_NONE,
+ V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1,
+ V4L2_MPEG_STREAM_VBI_FMT_NONE);
+ return cx2341x_ctrl_query_fill(qctrl,
+ V4L2_MPEG_STREAM_VBI_FMT_NONE,
+ V4L2_MPEG_STREAM_VBI_FMT_NONE, 1,
+ default_params.stream_vbi_fmt);
+
+ case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
+
case V4L2_CID_MPEG_AUDIO_ENCODING:
+ if (params->capabilities & CX2341X_CAP_HAS_AC3) {
+ /*
+ * The state of L2 & AC3 bitrate controls can change
+ * when this control changes, but v4l2_ctrl_query_fill()
+ * already sets V4L2_CTRL_FLAG_UPDATE for
+ * V4L2_CID_MPEG_AUDIO_ENCODING, so we don't here.
+ */
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
+ V4L2_MPEG_AUDIO_ENCODING_AC3, 1,
+ default_params.audio_encoding);
+ }
+
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 1,
default_params.audio_encoding);
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
+ err = v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_L2_BITRATE_192K,
V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
default_params.audio_l2_bitrate);
+ if (err)
+ return err;
+ if (params->capabilities & CX2341X_CAP_HAS_AC3 &&
+ params->audio_encoding != V4L2_MPEG_AUDIO_ENCODING_LAYER_2)
+ qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
+ return 0;
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
- return -EINVAL;
+ case V4L2_CID_MPEG_AUDIO_MODE:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_MODE_STEREO,
+ V4L2_MPEG_AUDIO_MODE_MONO, 1,
+ V4L2_MPEG_AUDIO_MODE_STEREO);
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
- err = v4l2_ctrl_query_fill_std(qctrl);
+ err = v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
+ V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1,
+ V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
if (err == 0 &&
params->audio_mode != V4L2_MPEG_AUDIO_MODE_JOINT_STEREO)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return err;
+ case V4L2_CID_MPEG_AUDIO_EMPHASIS:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_EMPHASIS_NONE,
+ V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1,
+ V4L2_MPEG_AUDIO_EMPHASIS_NONE);
+
+ case V4L2_CID_MPEG_AUDIO_CRC:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_CRC_NONE,
+ V4L2_MPEG_AUDIO_CRC_CRC16, 1,
+ V4L2_MPEG_AUDIO_CRC_NONE);
+
+ case V4L2_CID_MPEG_AUDIO_MUTE:
+ return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
+
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
+ err = v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_AC3_BITRATE_48K,
+ V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 1,
+ default_params.audio_ac3_bitrate);
+ if (err)
+ return err;
+ if (params->capabilities & CX2341X_CAP_HAS_AC3) {
+ if (params->audio_encoding !=
+ V4L2_MPEG_AUDIO_ENCODING_AC3)
+ qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
+ } else
+ qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
+ return 0;
+
case V4L2_CID_MPEG_VIDEO_ENCODING:
/* this setting is read-only for the cx2341x since the
V4L2_CID_MPEG_STREAM_TYPE really determines the
@@ -516,32 +612,51 @@ int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params,
qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
return err;
+ case V4L2_CID_MPEG_VIDEO_ASPECT:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_VIDEO_ASPECT_1x1,
+ V4L2_MPEG_VIDEO_ASPECT_221x100, 1,
+ V4L2_MPEG_VIDEO_ASPECT_4x3);
+
+ case V4L2_CID_MPEG_VIDEO_B_FRAMES:
+ return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2);
+
+ case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
+ return v4l2_ctrl_query_fill(qctrl, 1, 34, 1,
+ params->is_50hz ? 12 : 15);
+
+ case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
+ return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
+
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- err = v4l2_ctrl_query_fill_std(qctrl);
+ err = v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
+ V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
+ V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
if (err == 0 &&
params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return err;
+ case V4L2_CID_MPEG_VIDEO_BITRATE:
+ return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
+
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- err = v4l2_ctrl_query_fill_std(qctrl);
+ err = v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
if (err == 0 &&
params->video_bitrate_mode ==
V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return err;
- case V4L2_CID_MPEG_STREAM_VBI_FMT:
- if (params->capabilities & CX2341X_CAP_HAS_SLICED_VBI)
- return v4l2_ctrl_query_fill_std(qctrl);
- return cx2341x_ctrl_query_fill(qctrl,
- V4L2_MPEG_STREAM_VBI_FMT_NONE,
- V4L2_MPEG_STREAM_VBI_FMT_NONE, 1,
- default_params.stream_vbi_fmt);
+ case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
+ return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
- return v4l2_ctrl_query_fill(qctrl, 1, 34, 1,
- params->is_50hz ? 12 : 15);
+ case V4L2_CID_MPEG_VIDEO_MUTE:
+ return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
+
+ case V4L2_CID_MPEG_VIDEO_MUTE_YUV: /* Init YUV (really YCbCr) to black */
+ return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080);
/* CX23415/6 specific */
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
@@ -643,7 +758,7 @@ int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params,
default_params.stream_insert_nav_packets);
default:
- return v4l2_ctrl_query_fill_std(qctrl);
+ return -EINVAL;
}
}
@@ -671,6 +786,15 @@ const char **cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id)
NULL
};
+ static const char *mpeg_audio_encoding_l2_ac3[] = {
+ "",
+ "MPEG-1/2 Layer II",
+ "",
+ "",
+ "AC-3",
+ NULL
+ };
+
static const char *cx2341x_video_spatial_filter_mode_menu[] = {
"Manual",
"Auto",
@@ -711,6 +835,9 @@ const char **cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id)
case V4L2_CID_MPEG_STREAM_TYPE:
return (p->capabilities & CX2341X_CAP_HAS_TS) ?
mpeg_stream_type_with_ts : mpeg_stream_type_without_ts;
+ case V4L2_CID_MPEG_AUDIO_ENCODING:
+ return (p->capabilities & CX2341X_CAP_HAS_AC3) ?
+ mpeg_audio_encoding_l2_ac3 : v4l2_ctrl_get_menu(id);
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
return NULL;
@@ -730,16 +857,34 @@ const char **cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id)
}
EXPORT_SYMBOL(cx2341x_ctrl_get_menu);
+/* definitions for audio properties bits 29-28 */
+#define CX2341X_AUDIO_ENCODING_METHOD_MPEG 0
+#define CX2341X_AUDIO_ENCODING_METHOD_AC3 1
+#define CX2341X_AUDIO_ENCODING_METHOD_LPCM 2
+
static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params)
{
- params->audio_properties = (params->audio_sampling_freq << 0) |
- ((3 - params->audio_encoding) << 2) |
- ((1 + params->audio_l2_bitrate) << 4) |
+ params->audio_properties =
+ (params->audio_sampling_freq << 0) |
(params->audio_mode << 8) |
(params->audio_mode_extension << 10) |
(((params->audio_emphasis == V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17)
? 3 : params->audio_emphasis) << 12) |
(params->audio_crc << 14);
+
+ if ((params->capabilities & CX2341X_CAP_HAS_AC3) &&
+ params->audio_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) {
+ params->audio_properties |=
+ /* Not sure if this MPEG Layer II setting is required */
+ ((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) |
+ (params->audio_ac3_bitrate << 4) |
+ (CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28);
+ } else {
+ /* Assuming MPEG Layer II */
+ params->audio_properties |=
+ ((3 - params->audio_encoding) << 2) |
+ ((1 + params->audio_l2_bitrate) << 4);
+ }
}
int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy,
@@ -1022,7 +1167,10 @@ void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix)
prefix,
cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ),
cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_ENCODING),
- cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_L2_BITRATE),
+ cx2341x_menu_item(p,
+ p->audio_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3
+ ? V4L2_CID_MPEG_AUDIO_AC3_BITRATE
+ : V4L2_CID_MPEG_AUDIO_L2_BITRATE),
cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE),
p->audio_mute ? " (muted)" : "");
if (p->audio_mode == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 22:51:33 +0000