--- /dev/null
+/*
+ ioctl control functions
+ Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
+ Copyright (C) 2005-2007 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "ivtv-driver.h"
+#include "ivtv-ioctl.h"
+#include "ivtv-controls.h"
+#include "ivtv-mailbox.h"
+
+static int ivtv_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt)
+{
+ struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
+
+ /* First try to allocate sliced VBI buffers if needed. */
+ if (fmt && itv->vbi.sliced_mpeg_data[0] == NULL) {
+ int i;
+
+ for (i = 0; i < IVTV_VBI_FRAMES; i++) {
+ /* Yuck, hardcoded. Needs to be a define */
+ itv->vbi.sliced_mpeg_data[i] = kmalloc(2049, GFP_KERNEL);
+ if (itv->vbi.sliced_mpeg_data[i] == NULL) {
+ while (--i >= 0) {
+ kfree(itv->vbi.sliced_mpeg_data[i]);
+ itv->vbi.sliced_mpeg_data[i] = NULL;
+ }
+ return -ENOMEM;
+ }
+ }
+ }
+
+ itv->vbi.insert_mpeg = fmt;
+
+ if (itv->vbi.insert_mpeg == 0) {
+ return 0;
+ }
+ /* Need sliced data for mpeg insertion */
+ if (ivtv_get_service_set(itv->vbi.sliced_in) == 0) {
+ if (itv->is_60hz)
+ itv->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525;
+ else
+ itv->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625;
+ ivtv_expand_service_set(itv->vbi.sliced_in, itv->is_50hz);
+ }
+ return 0;
+}
+
+static int ivtv_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val)
+{
+ struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
+ int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
+ struct v4l2_mbus_framefmt fmt;
+
+ /* fix videodecoder resolution */
+ fmt.width = cxhdl->width / (is_mpeg1 ? 2 : 1);
+ fmt.height = cxhdl->height;
+ fmt.code = MEDIA_BUS_FMT_FIXED;
+ v4l2_subdev_call(itv->sd_video, video, s_mbus_fmt, &fmt);
+ return 0;
+}
+
+static int ivtv_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx)
+{
+ static const u32 freqs[3] = { 44100, 48000, 32000 };
+ struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
+
+ /* The audio clock of the digitizer must match the codec sample
+ rate otherwise you get some very strange effects. */
+ if (idx < ARRAY_SIZE(freqs))
+ ivtv_call_all(itv, audio, s_clock_freq, freqs[idx]);
+ return 0;
+}
+
+static int ivtv_s_audio_mode(struct cx2341x_handler *cxhdl, u32 val)
+{
+ struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
+
+ itv->dualwatch_stereo_mode = val;
+ return 0;
+}
+
+struct cx2341x_handler_ops ivtv_cxhdl_ops = {
+ .s_audio_mode = ivtv_s_audio_mode,
+ .s_audio_sampling_freq = ivtv_s_audio_sampling_freq,
+ .s_video_encoding = ivtv_s_video_encoding,
+ .s_stream_vbi_fmt = ivtv_s_stream_vbi_fmt,
+};
+
+int ivtv_g_pts_frame(struct ivtv *itv, s64 *pts, s64 *frame)
+{
+ u32 data[CX2341X_MBOX_MAX_DATA];
+
+ if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
+ *pts = (s64)((u64)itv->last_dec_timing[2] << 32) |
+ (u64)itv->last_dec_timing[1];
+ *frame = itv->last_dec_timing[0];
+ return 0;
+ }
+ *pts = 0;
+ *frame = 0;
+ if (atomic_read(&itv->decoding)) {
+ if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
+ IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
+ return -EIO;
+ }
+ memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
+ set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
+ *pts = (s64)((u64) data[2] << 32) | (u64) data[1];
+ *frame = data[0];
+ /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
+ }
+ return 0;
+}
+
+static int ivtv_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct ivtv *itv = container_of(ctrl->handler, struct ivtv, cxhdl.hdl);
+
+ switch (ctrl->id) {
+ /* V4L2_CID_MPEG_VIDEO_DEC_PTS and V4L2_CID_MPEG_VIDEO_DEC_FRAME
+ control cluster */
+ case V4L2_CID_MPEG_VIDEO_DEC_PTS:
+ return ivtv_g_pts_frame(itv, itv->ctrl_pts->p_new.p_s64,
+ itv->ctrl_frame->p_new.p_s64);
+ }
+ return 0;
+}
+
+static int ivtv_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct ivtv *itv = container_of(ctrl->handler, struct ivtv, cxhdl.hdl);
+
+ switch (ctrl->id) {
+ /* V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK and MULTILINGUAL_PLAYBACK
+ control cluster */
+ case V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK:
+ itv->audio_stereo_mode = itv->ctrl_audio_playback->val - 1;
+ itv->audio_bilingual_mode = itv->ctrl_audio_multilingual_playback->val - 1;
+ ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
+ break;
+ }
+ return 0;
+}
+
+const struct v4l2_ctrl_ops ivtv_hdl_out_ops = {
+ .s_ctrl = ivtv_s_ctrl,
+ .g_volatile_ctrl = ivtv_g_volatile_ctrl,
+};
Code Review / kvmfornfv.git / blobdiff