diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2006-06-18 17:40:30 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-06-25 05:05:22 (GMT) |
commit | 5d1a9ae6d9d7fc14b2259cd550eb87364a21190a (patch) | |
tree | b55c57026f69fc127508a30859edebde87713f1e /drivers/media/video/cx2341x.c | |
parent | 9cb2318b885d2039eeb3eb5394fa215046be058f (diff) | |
download | linux-fsl-qoriq-5d1a9ae6d9d7fc14b2259cd550eb87364a21190a.tar.xz |
V4L/DVB (4191): Add CX2341X MPEG encoder module.
Adds the cx2341x.c module that handles the programming of the Conexant
cx23415/6 MPEG encoder chip used by cx88-blackbird, pvrusb2 and ivtv.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx2341x.c')
-rw-r--r-- | drivers/media/video/cx2341x.c | 873 |
1 files changed, 873 insertions, 0 deletions
diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c new file mode 100644 index 0000000..f4d58d5 --- /dev/null +++ b/drivers/media/video/cx2341x.c @@ -0,0 +1,873 @@ +/* + * cx2341x - generic code for cx23415/6 based devices + * + * Copyright (C) 2006 Hans Verkuil <hverkuil@xs4all.nl> + * + * 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 <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/videodev2.h> +#include <linux/i2c.h> + +#include <media/tuner.h> +#include <media/cx2341x.h> +#include <media/v4l2-common.h> + +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)"); + + +/* 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_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_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_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; + + /* 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, 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 */ + .width = 720, + .height = 480, + .is_50hz = 0, + + /* stream */ + .stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS, + + /* 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, 1, 0); /* 0 = Memory */ + + 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 "<invalid>"; +} + +void cx2341x_log_status(struct cx2341x_mpeg_params *p, int card_id) +{ + int is_mpeg1 = p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1; + + /* Stream */ + printk(KERN_INFO "cx2341x-%d: Stream: %s\n", + card_id, + cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_TYPE)); + + /* Video */ + printk(KERN_INFO "cx2341x-%d: Video: %dx%d, %d fps\n", + card_id, + p->width / (is_mpeg1 ? 2 : 1), p->height / (is_mpeg1 ? 2 : 1), + p->is_50hz ? 25 : 30); + printk(KERN_INFO "cx2341x-%d: Video: %s, %s, %s, %d", + card_id, + 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 "cx2341x-%d: Video: GOP Size %d, %d B-Frames, %sGOP Closure, %s3:2 Pulldown\n", + card_id, + 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 "cx2341x-%d: Video: Temporal Decimation %d\n", + card_id, p->video_temporal_decimation); + } + + /* Audio */ + printk(KERN_INFO "cx2341x-%d: Audio: %s, %s, %s, %s", + card_id, + 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 "cx2341x-%d: Spatial Filter: %s, Luma %s, Chroma %s, %d\n", + card_id, + 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 "cx2341x-%d: Temporal Filter: %s, %d\n", + card_id, + cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE), + p->video_temporal_filter); + printk(KERN_INFO "cx2341x-%d: Median Filter: %s, Luma [%d, %d], Chroma [%d, %d]\n", + card_id, + 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); + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ + |