/* * cx2341x - generic code for cx23415/6 based devices * * Copyright (C) 2006 Hans Verkuil * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include #include #include #include #include #include #include MODULE_DESCRIPTION("cx23415/6 driver"); MODULE_AUTHOR("Hans Verkuil"); MODULE_LICENSE("GPL"); static int debug = 0; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Debug level (0-1)"); const u32 cx2341x_mpeg_ctrls[] = { V4L2_CID_MPEG_CLASS, V4L2_CID_MPEG_STREAM_TYPE, V4L2_CID_MPEG_STREAM_VBI_FMT, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, V4L2_CID_MPEG_AUDIO_ENCODING, V4L2_CID_MPEG_AUDIO_L2_BITRATE, V4L2_CID_MPEG_AUDIO_MODE, V4L2_CID_MPEG_AUDIO_MODE_EXTENSION, V4L2_CID_MPEG_AUDIO_EMPHASIS, V4L2_CID_MPEG_AUDIO_CRC, V4L2_CID_MPEG_VIDEO_ENCODING, V4L2_CID_MPEG_VIDEO_ASPECT, V4L2_CID_MPEG_VIDEO_B_FRAMES, V4L2_CID_MPEG_VIDEO_GOP_SIZE, V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, V4L2_CID_MPEG_VIDEO_PULLDOWN, V4L2_CID_MPEG_VIDEO_BITRATE_MODE, V4L2_CID_MPEG_VIDEO_BITRATE, V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION, V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE, V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER, V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE, V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE, V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE, V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER, V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE, V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM, V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP, V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM, V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP, 0 }; /* Map the control ID to the correct field in the cx2341x_mpeg_params struct. Return -EINVAL if the ID is unknown, else return 0. */ static int cx2341x_get_ctrl(struct cx2341x_mpeg_params *params, struct v4l2_ext_control *ctrl) { switch (ctrl->id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: ctrl->value = params->audio_sampling_freq; break; case V4L2_CID_MPEG_AUDIO_ENCODING: ctrl->value = params->audio_encoding; break; case V4L2_CID_MPEG_AUDIO_L2_BITRATE: ctrl->value = params->audio_l2_bitrate; break; case V4L2_CID_MPEG_AUDIO_MODE: ctrl->value = params->audio_mode; break; case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: ctrl->value = params->audio_mode_extension; break; case V4L2_CID_MPEG_AUDIO_EMPHASIS: ctrl->value = params->audio_emphasis; break; case V4L2_CID_MPEG_AUDIO_CRC: ctrl->value = params->audio_crc; break; case V4L2_CID_MPEG_VIDEO_ENCODING: ctrl->value = params->video_encoding; break; case V4L2_CID_MPEG_VIDEO_ASPECT: ctrl->value = params->video_aspect; break; case V4L2_CID_MPEG_VIDEO_B_FRAMES: ctrl->value = params->video_b_frames; break; case V4L2_CID_MPEG_VIDEO_GOP_SIZE: ctrl->value = params->video_gop_size; break; case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: ctrl->value = params->video_gop_closure; break; case V4L2_CID_MPEG_VIDEO_PULLDOWN: ctrl->value = params->video_pulldown; break; case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: ctrl->value = params->video_bitrate_mode; break; case V4L2_CID_MPEG_VIDEO_BITRATE: ctrl->value = params->video_bitrate; break; case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: ctrl->value = params->video_bitrate_peak; break; case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: ctrl->value = params->video_temporal_decimation; break; case V4L2_CID_MPEG_STREAM_TYPE: ctrl->value = params->stream_type; break; case V4L2_CID_MPEG_STREAM_VBI_FMT: ctrl->value = params->stream_vbi_fmt; break; case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: ctrl->value = params->video_spatial_filter_mode; break; case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: ctrl->value = params->video_spatial_filter; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: ctrl->value = params->video_luma_spatial_filter_type; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: ctrl->value = params->video_chroma_spatial_filter_type; break; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: ctrl->value = params->video_temporal_filter_mode; break; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: ctrl->value = params->video_temporal_filter; break; case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: ctrl->value = params->video_median_filter_type; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: ctrl->value = params->video_luma_median_filter_top; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: ctrl->value = params->video_luma_median_filter_bottom; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: ctrl->value = params->video_chroma_median_filter_top; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: ctrl->value = params->video_chroma_median_filter_bottom; break; default: return -EINVAL; } return 0; } /* Map the control ID to the correct field in the cx2341x_mpeg_params struct. Return -EINVAL if the ID is unknown, else return 0. */ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, struct v4l2_ext_control *ctrl) { switch (ctrl->id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: params->audio_sampling_freq = ctrl->value; break; case V4L2_CID_MPEG_AUDIO_ENCODING: params->audio_encoding = ctrl->value; break; case V4L2_CID_MPEG_AUDIO_L2_BITRATE: params->audio_l2_bitrate = ctrl->value; break; case V4L2_CID_MPEG_AUDIO_MODE: params->audio_mode = ctrl->value; break; case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: params->audio_mode_extension = ctrl->value; break; case V4L2_CID_MPEG_AUDIO_EMPHASIS: params->audio_emphasis = ctrl->value; break; case V4L2_CID_MPEG_AUDIO_CRC: params->audio_crc = ctrl->value; break; case V4L2_CID_MPEG_VIDEO_ASPECT: params->video_aspect = ctrl->value; break; case V4L2_CID_MPEG_VIDEO_B_FRAMES: { int b = ctrl->value + 1; int gop = params->video_gop_size; params->video_b_frames = ctrl->value; params->video_gop_size = b * ((gop + b - 1) / b); /* Max GOP size = 34 */ while (params->video_gop_size > 34) params->video_gop_size -= b; break; } case V4L2_CID_MPEG_VIDEO_GOP_SIZE: { int b = params->video_b_frames + 1; int gop = ctrl->value; params->video_gop_size = b * ((gop + b - 1) / b); /* Max GOP size = 34 */ while (params->video_gop_size > 34) params->video_gop_size -= b; ctrl->value = params->video_gop_size; break; } case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: params->video_gop_closure = ctrl->value; break; case V4L2_CID_MPEG_VIDEO_PULLDOWN: params->video_pulldown = ctrl->value; break; case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: /* MPEG-1 only allows CBR */ if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1 && ctrl->value != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) return -EINVAL; params->video_bitrate_mode = ctrl->value; break; case V4L2_CID_MPEG_VIDEO_BITRATE: params->video_bitrate = ctrl->value; break; case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: params->video_bitrate_peak = ctrl->value; break; case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: params->video_temporal_decimation = ctrl->value; break; case V4L2_CID_MPEG_STREAM_TYPE: params->stream_type = ctrl->value; params->video_encoding = (params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_SS || params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_VCD) ? V4L2_MPEG_VIDEO_ENCODING_MPEG_1 : V4L2_MPEG_VIDEO_ENCODING_MPEG_2; if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) { /* MPEG-1 implies CBR */ params->video_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_CBR; } break; case V4L2_CID_MPEG_STREAM_VBI_FMT: params->stream_vbi_fmt = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: params->video_spatial_filter_mode = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: params->video_spatial_filter = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: params->video_luma_spatial_filter_type = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: params->video_chroma_spatial_filter_type = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: params->video_temporal_filter_mode = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: params->video_temporal_filter = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: params->video_median_filter_type = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: params->video_luma_median_filter_top = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: params->video_luma_median_filter_bottom = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: params->video_chroma_median_filter_top = ctrl->value; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: params->video_chroma_median_filter_bottom = ctrl->value; break; default: return -EINVAL; } return 0; } static int cx2341x_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def) { const char *name; qctrl->flags = 0; switch (qctrl->id) { /* MPEG controls */ case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: name = "Spatial Filter Mode"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: name = "Spatial Filter"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: name = "Spatial Luma Filter Type"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: name = "Spatial Chroma Filter Type"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: name = "Temporal Filter Mode"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: name = "Temporal Filter"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: name = "Median Filter Type"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: name = "Median Luma Filter Maximum"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: name = "Median Luma Filter Minimum"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: name = "Median Chroma Filter Maximum"; break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: name = "Median Chroma Filter Minimum"; break; default: return v4l2_ctrl_query_fill(qctrl, min, max, step, def); } switch (qctrl->id) { case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: qctrl->type = V4L2_CTRL_TYPE_MENU; min = 0; step = 1; break; default: qctrl->type = V4L2_CTRL_TYPE_INTEGER; break; } switch (qctrl->id) { case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: qctrl->flags |= V4L2_CTRL_FLAG_UPDATE; break; } qctrl->minimum = min; qctrl->maximum = max; qctrl->step = step; qctrl->default_value = def; qctrl->reserved[0] = qctrl->reserved[1] = 0; snprintf(qctrl->name, sizeof(qctrl->name), name); return 0; } int cx2341x_ctrl_query(struct cx2341x_mpeg_params *params, struct v4l2_queryctrl *qctrl) { int err; switch (qctrl->id) { case V4L2_CID_MPEG_AUDIO_ENCODING: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_ENCODING_LAYER_2, V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_2); case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_L2_BITRATE_192K, V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1, V4L2_MPEG_AUDIO_L2_BITRATE_224K); case V4L2_CID_MPEG_AUDIO_L1_BITRATE: case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return -EINVAL; case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: err = v4l2_ctrl_query_fill_std(qctrl); if (err == 0 && params->audio_mode != V4L2_MPEG_AUDIO_MODE_JOINT_STEREO) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return err; case V4L2_CID_MPEG_VIDEO_ENCODING: /* this setting is read-only for the cx2341x since the V4L2_CID_MPEG_STREAM_TYPE really determines the MPEG-1/2 setting */ err = v4l2_ctrl_query_fill_std(qctrl); if (err == 0) qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; return err; case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: err = v4l2_ctrl_query_fill_std(qctrl); 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_PEAK: err = v4l2_ctrl_query_fill_std(qctrl); 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, V4L2_MPEG_STREAM_VBI_FMT_NONE); /* CX23415/6 specific */ case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: return cx2341x_ctrl_query_fill(qctrl, V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL, V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, 1, V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL); case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: cx2341x_ctrl_query_fill(qctrl, 0, 15, 1, 0); qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; if (params->video_spatial_filter_mode == V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return 0; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: cx2341x_ctrl_query_fill(qctrl, V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF, V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE, 1, V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF); if (params->video_spatial_filter_mode == V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return 0; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: cx2341x_ctrl_query_fill(qctrl, V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF, V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR, 1, V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF); if (params->video_spatial_filter_mode == V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return 0; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: return cx2341x_ctrl_query_fill(qctrl, V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL, V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO, 1, V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL); case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: cx2341x_ctrl_query_fill(qctrl, 0, 31, 1, 0); qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; if (params->video_temporal_filter_mode == V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return 0; case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: return cx2341x_ctrl_query_fill(qctrl, V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF, V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG, 1, V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF); case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: cx2341x_ctrl_query_fill(qctrl, 0, 255, 1, 255); qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; if (params->video_median_filter_type == V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return 0; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: cx2341x_ctrl_query_fill(qctrl, 0, 255, 1, 0); qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; if (params->video_median_filter_type == V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return 0; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: cx2341x_ctrl_query_fill(qctrl, 0, 255, 1, 255); qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; if (params->video_median_filter_type == V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return 0; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: cx2341x_ctrl_query_fill(qctrl, 0, 255, 1, 0); qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; if (params->video_median_filter_type == V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF) qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; return 0; default: return v4l2_ctrl_query_fill_std(qctrl); } } const char **cx2341x_ctrl_get_menu(u32 id) { static const char *mpeg_stream_type[] = { "MPEG-2 Program Stream", "", "MPEG-1 System Stream", "MPEG-2 DVD-compatible Stream", "MPEG-1 VCD-compatible Stream", "MPEG-2 SVCD-compatible Stream", NULL }; static const char *cx2341x_video_spatial_filter_mode_menu[] = { "Manual", "Auto", NULL }; static const char *cx2341x_video_luma_spatial_filter_type_menu[] = { "Off", "1D Horizontal", "1D Vertical", "2D H/V Separable", "2D Symmetric non-separable", NULL }; static const char *cx2341x_video_chroma_spatial_filter_type_menu[] = { "Off", "1D Horizontal", NULL }; static const char *cx2341x_video_temporal_filter_mode_menu[] = { "Manual", "Auto", NULL }; static const char *cx2341x_video_median_filter_type_menu[] = { "Off", "Horizontal", "Vertical", "Horizontal/Vertical", "Diagonal", NULL }; switch (id) { case V4L2_CID_MPEG_STREAM_TYPE: return mpeg_stream_type; case V4L2_CID_MPEG_AUDIO_L1_BITRATE: case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return NULL; case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: return cx2341x_video_spatial_filter_mode_menu; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: return cx2341x_video_luma_spatial_filter_type_menu; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: return cx2341x_video_chroma_spatial_filter_type_menu; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: return cx2341x_video_temporal_filter_mode_menu; case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: return cx2341x_video_median_filter_type_menu; default: return v4l2_ctrl_get_menu(id); } } 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_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); } int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, struct v4l2_ext_controls *ctrls, unsigned int cmd) { int err = 0; int i; if (cmd == VIDIOC_G_EXT_CTRLS) { for (i = 0; i < ctrls->count; i++) { struct v4l2_ext_control *ctrl = ctrls->controls + i; err = cx2341x_get_ctrl(params, ctrl); if (err) { ctrls->error_idx = i; break; } } return err; } for (i = 0; i < ctrls->count; i++) { struct v4l2_ext_control *ctrl = ctrls->controls + i; struct v4l2_queryctrl qctrl; const char **menu_items = NULL; qctrl.id = ctrl->id; err = cx2341x_ctrl_query(params, &qctrl); if (err) break; if (qctrl.type == V4L2_CTRL_TYPE_MENU) menu_items = cx2341x_ctrl_get_menu(qctrl.id); err = v4l2_ctrl_check(ctrl, &qctrl, menu_items); if (err) break; err = cx2341x_set_ctrl(params, ctrl); if (err) break; } if (err == 0 && params->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && params->video_bitrate_peak < params->video_bitrate) { err = -ERANGE; ctrls->error_idx = ctrls->count; } if (err) { ctrls->error_idx = i; } else { cx2341x_calc_audio_properties(params); } return err; } void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p) { static struct cx2341x_mpeg_params default_params = { /* misc */ .capabilities = 0, .port = CX2341X_PORT_MEMORY, .width = 720, .height = 480, .is_50hz = 0, /* stream */ .stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS, .stream_vbi_fmt = V4L2_MPEG_STREAM_VBI_FMT_NONE, /* audio */ .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_mode = V4L2_MPEG_AUDIO_MODE_STEREO, .audio_mode_extension = V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4, .audio_emphasis = V4L2_MPEG_AUDIO_EMPHASIS_NONE, .audio_crc = V4L2_MPEG_AUDIO_CRC_NONE, /* video */ .video_encoding = V4L2_MPEG_VIDEO_ENCODING_MPEG_2, .video_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3, .video_b_frames = 2, .video_gop_size = 12, .video_gop_closure = 1, .video_pulldown = 0, .video_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, .video_bitrate = 6000000, .video_bitrate_peak = 8000000, .video_temporal_decimation = 0, /* encoding filters */ .video_spatial_filter_mode = V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL, .video_spatial_filter = 0, .video_luma_spatial_filter_type = V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR, .video_chroma_spatial_filter_type = V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR, .video_temporal_filter_mode = V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL, .video_temporal_filter = 0, .video_median_filter_type = V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF, .video_luma_median_filter_top = 255, .video_luma_median_filter_bottom = 0, .video_chroma_median_filter_top = 255, .video_chroma_median_filter_bottom = 0, }; *p = default_params; cx2341x_calc_audio_properties(p); } static int cx2341x_api(void *priv, cx2341x_mbox_func func, int cmd, int args, ...) { u32 data[CX2341X_MBOX_MAX_DATA]; va_list vargs; int i; va_start(vargs, args); for (i = 0; i < args; i++) { data[i] = va_arg(vargs, int); } va_end(vargs); return func(priv, cmd, args, 0, data); } int cx2341x_update(void *priv, cx2341x_mbox_func func, const struct cx2341x_mpeg_params *old, const struct cx2341x_mpeg_params *new) { static int mpeg_stream_type[] = { 0, /* MPEG-2 PS */ 1, /* MPEG-2 TS */ 2, /* MPEG-1 SS */ 14, /* DVD */ 11, /* VCD */ 12, /* SVCD */ }; int err = 0; cx2341x_api(priv, func, CX2341X_ENC_SET_OUTPUT_PORT, 2, new->port, 0); if (old == NULL || old->is_50hz != new->is_50hz) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_RATE, 1, new->is_50hz); if (err) return err; } if (old == NULL || old->width != new->width || old->height != new->height || old->video_encoding != new->video_encoding) { u16 w = new->width; u16 h = new->height; if (new->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) { w /= 2; h /= 2; } err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_SIZE, 2, h, w); if (err) return err; } if (old == NULL || old->stream_type != new->stream_type) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_STREAM_TYPE, 1, mpeg_stream_type[new->stream_type]); if (err) return err; } if (old == NULL || old->video_aspect != new->video_aspect) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_ASPECT_RATIO, 1, 1 + new->video_aspect); if (err) return err; } if (old == NULL || old->video_b_frames != new->video_b_frames || old->video_gop_size != new->video_gop_size) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_PROPERTIES, 2, new->video_gop_size, new->video_b_frames + 1); if (err) return err; } if (old == NULL || old->video_gop_closure != new->video_gop_closure) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_CLOSURE, 1, new->video_gop_closure); if (err) return err; } if (old == NULL || old->video_pulldown != new->video_pulldown) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_3_2_PULLDOWN, 1, new->video_pulldown); if (err) return err; } if (old == NULL || old->audio_properties != new->audio_properties) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_AUDIO_PROPERTIES, 1, new->audio_properties); if (err) return err; } if (old == NULL || old->video_bitrate_mode != new->video_bitrate_mode || old->video_bitrate != new->video_bitrate || old->video_bitrate_peak != new->video_bitrate_peak) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_BIT_RATE, 5, new->video_bitrate_mode, new->video_bitrate, new->video_bitrate_peak / 400, 0, 0); if (err) return err; } if (old == NULL || old->video_spatial_filter_mode != new->video_spatial_filter_mode || old->video_temporal_filter_mode != new->video_temporal_filter_mode || old->video_median_filter_type != new->video_median_filter_type) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_MODE, 2, new->video_spatial_filter_mode | (new->video_temporal_filter_mode << 1), new->video_median_filter_type); if (err) return err; } if (old == NULL || old->video_luma_median_filter_bottom != new->video_luma_median_filter_bottom || old->video_luma_median_filter_top != new->video_luma_median_filter_top || old->video_chroma_median_filter_bottom != new->video_chroma_median_filter_bottom || old->video_chroma_median_filter_top != new->video_chroma_median_filter_top) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_CORING_LEVELS, 4, new->video_luma_median_filter_bottom, new->video_luma_median_filter_top, new->video_chroma_median_filter_bottom, new->video_chroma_median_filter_top); if (err) return err; } if (old == NULL || old->video_luma_spatial_filter_type != new->video_luma_spatial_filter_type || old->video_chroma_spatial_filter_type != new->video_chroma_spatial_filter_type) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_SPATIAL_FILTER_TYPE, 2, new->video_luma_spatial_filter_type, new->video_chroma_spatial_filter_type); if (err) return err; } if (old == NULL || old->video_spatial_filter != new->video_spatial_filter || old->video_temporal_filter != new->video_temporal_filter) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_PROPS, 2, new->video_spatial_filter, new->video_temporal_filter); if (err) return err; } if (old == NULL || old->video_temporal_decimation != new->video_temporal_decimation) { err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_DROP_RATE, 1, new->video_temporal_decimation); if (err) return err; } return 0; } static const char *cx2341x_menu_item(struct cx2341x_mpeg_params *p, u32 id) { const char **menu = cx2341x_ctrl_get_menu(id); struct v4l2_ext_control ctrl; if (menu == NULL) goto invalid; ctrl.id = id; if (cx2341x_get_ctrl(p, &ctrl)) goto invalid; while (ctrl.value-- && *menu) menu++; if (*menu == NULL) goto invalid; return *menu; invalid: return ""; } void cx2341x_log_status(struct cx2341x_mpeg_params *p, const char *prefix) { int is_mpeg1 = p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1; /* Stream */ printk(KERN_INFO "%s: Stream: %s\n", prefix, cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_TYPE)); /* Video */ printk(KERN_INFO "%s: Video: %dx%d, %d fps\n", prefix, p->width / (is_mpeg1 ? 2 : 1), p->height / (is_mpeg1 ? 2 : 1), p->is_50hz ? 25 : 30); printk(KERN_INFO "%s: Video: %s, %s, %s, %d", prefix, cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ENCODING), cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ASPECT), cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_BITRATE_MODE), p->video_bitrate); if (p->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) { printk(", Peak %d", p->video_bitrate_peak); } printk("\n"); printk(KERN_INFO "%s: Video: GOP Size %d, %d B-Frames, %sGOP Closure, %s3:2 Pulldown\n", prefix, p->video_gop_size, p->video_b_frames, p->video_gop_closure ? "" : "No ", p->video_pulldown ? "" : "No "); if (p->video_temporal_decimation) { printk(KERN_INFO "%s: Video: Temporal Decimation %d\n", prefix, p->video_temporal_decimation); } /* Audio */ printk(KERN_INFO "%s: Audio: %s, %s, %s, %s", 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, V4L2_CID_MPEG_AUDIO_MODE)); if (p->audio_mode == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO) { printk(", %s", cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE_EXTENSION)); } printk(", %s, %s\n", cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_EMPHASIS), cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_CRC)); /* Encoding filters */ printk(KERN_INFO "%s: Spatial Filter: %s, Luma %s, Chroma %s, %d\n", prefix, cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE), cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE), cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE), p->video_spatial_filter); printk(KERN_INFO "%s: Temporal Filter: %s, %d\n", prefix, cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE), p->video_temporal_filter); printk(KERN_INFO "%s: Median Filter: %s, Luma [%d, %d], Chroma [%d, %d]\n", prefix, cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE), p->video_luma_median_filter_bottom, p->video_luma_median_filter_top, p->video_chroma_median_filter_bottom, p->video_chroma_median_filter_top); } EXPORT_SYMBOL(cx2341x_fill_defaults); EXPORT_SYMBOL(cx2341x_ctrl_query); EXPORT_SYMBOL(cx2341x_ctrl_get_menu); EXPORT_SYMBOL(cx2341x_ext_ctrls); EXPORT_SYMBOL(cx2341x_update); EXPORT_SYMBOL(cx2341x_log_status); EXPORT_SYMBOL(cx2341x_mpeg_ctrls); /* * Local variables: * c-basic-offset: 8 * End: */