diff options
Diffstat (limited to 'drivers/media/video/cx2341x.c')
-rw-r--r-- | drivers/media/video/cx2341x.c | 196 |
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) |