--- /dev/null
+/*
+ * 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)");
+
+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 "<invalid>";
+}
+
+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:
+ */
+
git://git.onelab.eu / linux-2.6.git / blobdiff