int pvr2_encoder_configure(struct pvr2_hdw *hdw)
{
int ret;
pvr2_trace(PVR2_TRACE_ENCODER,"pvr2_encoder_configure"
" (cx2341x module)");
hdw->enc_ctl_state.port = CX2341X_PORT_STREAMING;
hdw->enc_ctl_state.width = hdw->res_hor_val;
hdw->enc_ctl_state.height = hdw->res_ver_val;
hdw->enc_ctl_state.is_50hz = ((hdw->std_mask_cur &
(V4L2_STD_NTSC|V4L2_STD_PAL_M)) ?
0 : 1);
ret = 0;
if (!ret) ret = pvr2_encoder_vcmd(
hdw,CX2341X_ENC_SET_NUM_VSYNC_LINES, 2,
0xf0, 0xf0);
/* setup firmware to notify us about some events (don't know why...) */
if (!ret) ret = pvr2_encoder_vcmd(
hdw,CX2341X_ENC_SET_EVENT_NOTIFICATION, 4,
0, 0, 0x10000000, 0xffffffff);
if (!ret) ret = pvr2_encoder_vcmd(
hdw,CX2341X_ENC_SET_VBI_LINE, 5,
0xffffffff,0,0,0,0);
if (ret) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Failed to configure cx32416");
return ret;
}
ret = cx2341x_update(hdw,pvr2_encoder_cmd,
(hdw->enc_cur_valid ? &hdw->enc_cur_state : NULL),
&hdw->enc_ctl_state);
if (ret) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Error from cx2341x module code=%d",ret);
return ret;
}
ret = 0;
if (!ret) ret = pvr2_encoder_vcmd(
hdw, CX2341X_ENC_INITIALIZE_INPUT, 0);
if (ret) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Failed to initialize cx32416 video input");
return ret;
}
hdw->subsys_enabled_mask |= (1<<PVR2_SUBSYS_B_ENC_CFG);
memcpy(&hdw->enc_cur_state,&hdw->enc_ctl_state,
sizeof(struct cx2341x_mpeg_params));
hdw->enc_cur_valid = !0;
return 0;
}
int ivtv_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
{
struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
struct v4l2_control ctrl;
if (c->ctrl_class == V4L2_CTRL_CLASS_USER) {
int i;
int err = 0;
for (i = 0; i < c->count; i++) {
ctrl.id = c->controls[i].id;
ctrl.value = c->controls[i].value;
err = ivtv_s_ctrl(itv, &ctrl);
c->controls[i].value = ctrl.value;
if (err) {
c->error_idx = i;
break;
}
}
return err;
}
if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
static u32 freqs[3] = { 44100, 48000, 32000 };
struct cx2341x_mpeg_params p = itv->params;
int err = cx2341x_ext_ctrls(&p, atomic_read(&itv->capturing), c, VIDIOC_S_EXT_CTRLS);
unsigned idx;
if (err)
return err;
if (p.video_encoding != itv->params.video_encoding) {
int is_mpeg1 = p.video_encoding ==
V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
struct v4l2_format fmt;
/* fix videodecoder resolution */
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fmt.fmt.pix.width = itv->params.width / (is_mpeg1 ? 2 : 1);
fmt.fmt.pix.height = itv->params.height;
itv->video_dec_func(itv, VIDIOC_S_FMT, &fmt);
}
err = cx2341x_update(itv, ivtv_api_func, &itv->params, &p);
if (!err && itv->params.stream_vbi_fmt != p.stream_vbi_fmt)
err = ivtv_setup_vbi_fmt(itv, p.stream_vbi_fmt);
itv->params = p;
itv->dualwatch_stereo_mode = p.audio_properties & 0x0300;
idx = p.audio_properties & 0x03;
/* The audio clock of the digitizer must match the codec sample
rate otherwise you get some very strange effects. */
if (idx < sizeof(freqs))
ivtv_call_i2c_clients(itv, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freqs[idx]);
return err;
}
return -EINVAL;
}
int pvr2_encoder_adjust(struct pvr2_hdw *hdw)
{
int ret;
ret = cx2341x_update(hdw,pvr2_encoder_cmd,
(hdw->enc_cur_valid ? &hdw->enc_cur_state : NULL),
&hdw->enc_ctl_state);
if (ret) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Error from cx2341x module code=%d",ret);
} else {
hdw->enc_cur_state = hdw->enc_ctl_state;
hdw->enc_cur_valid = !0;
}
return ret;
}
int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
{
struct cx18_open_id *id = fh;
struct cx18 *cx = id->cx;
int ret;
struct v4l2_control ctrl;
ret = v4l2_prio_check(&cx->prio, id->prio);
if (ret)
return ret;
if (c->ctrl_class == V4L2_CTRL_CLASS_USER) {
int i;
int err = 0;
for (i = 0; i < c->count; i++) {
ctrl.id = c->controls[i].id;
ctrl.value = c->controls[i].value;
err = cx18_s_ctrl(cx, &ctrl);
c->controls[i].value = ctrl.value;
if (err) {
c->error_idx = i;
break;
}
}
return err;
}
if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
static u32 freqs[3] = { 44100, 48000, 32000 };
struct cx18_api_func_private priv;
struct cx2341x_mpeg_params p = cx->params;
int err = cx2341x_ext_ctrls(&p, atomic_read(&cx->ana_capturing),
c, VIDIOC_S_EXT_CTRLS);
unsigned int idx;
if (err)
return err;
if (p.video_encoding != cx->params.video_encoding) {
int is_mpeg1 = p.video_encoding ==
V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
struct v4l2_mbus_framefmt fmt;
/* fix videodecoder resolution */
fmt.width = cx->params.width / (is_mpeg1 ? 2 : 1);
fmt.height = cx->params.height;
fmt.code = V4L2_MBUS_FMT_FIXED;
v4l2_subdev_call(cx->sd_av, video, s_mbus_fmt, &fmt);
}
priv.cx = cx;
priv.s = &cx->streams[id->type];
err = cx2341x_update(&priv, cx18_api_func, &cx->params, &p);
if (!err &&
(cx->params.stream_vbi_fmt != p.stream_vbi_fmt ||
cx->params.stream_type != p.stream_type))
err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt,
p.stream_type);
cx->params = p;
cx->dualwatch_stereo_mode = p.audio_properties & 0x0300;
idx = p.audio_properties & 0x03;
/* The audio clock of the digitizer must match the codec sample
rate otherwise you get some very strange effects. */
if (idx < ARRAY_SIZE(freqs))
cx18_call_all(cx, audio, s_clock_freq, freqs[idx]);
return err;
}
return -EINVAL;
}
int cx18_start_v4l2_encode_stream(struct cx18_stream *s)
{
u32 data[MAX_MB_ARGUMENTS];
struct cx18 *cx = s->cx;
int captype = 0;
struct cx18_api_func_private priv;
if (s->video_dev == NULL && s->dvb.enabled == 0)
return -EINVAL;
CX18_DEBUG_INFO("Start encoder stream %s\n", s->name);
switch (s->type) {
case CX18_ENC_STREAM_TYPE_MPG:
captype = CAPTURE_CHANNEL_TYPE_MPEG;
cx->mpg_data_received = cx->vbi_data_inserted = 0;
cx->dualwatch_jiffies = jiffies;
cx->dualwatch_stereo_mode = cx->params.audio_properties & 0x300;
cx->search_pack_header = 0;
break;
case CX18_ENC_STREAM_TYPE_TS:
captype = CAPTURE_CHANNEL_TYPE_TS;
break;
case CX18_ENC_STREAM_TYPE_YUV:
captype = CAPTURE_CHANNEL_TYPE_YUV;
break;
case CX18_ENC_STREAM_TYPE_PCM:
captype = CAPTURE_CHANNEL_TYPE_PCM;
break;
case CX18_ENC_STREAM_TYPE_VBI:
#ifdef CX18_ENCODER_PARSES_SLICED
captype = cx18_raw_vbi(cx) ?
CAPTURE_CHANNEL_TYPE_VBI : CAPTURE_CHANNEL_TYPE_SLICED_VBI;
#else
/*
* Currently we set things up so that Sliced VBI from the
* digitizer is handled as Raw VBI by the encoder
*/
captype = CAPTURE_CHANNEL_TYPE_VBI;
#endif
cx->vbi.frame = 0;
cx->vbi.inserted_frame = 0;
memset(cx->vbi.sliced_mpeg_size,
0, sizeof(cx->vbi.sliced_mpeg_size));
break;
default:
return -EINVAL;
}
/* Clear Streamoff flags in case left from last capture */
clear_bit(CX18_F_S_STREAMOFF, &s->s_flags);
cx18_vapi_result(cx, data, CX18_CREATE_TASK, 1, CPU_CMD_MASK_CAPTURE);
s->handle = data[0];
cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype);
/*
* For everything but CAPTURE_CHANNEL_TYPE_TS, play it safe and
* set up all the parameters, as it is not obvious which parameters the
* firmware shares across capture channel types and which it does not.
*
* Some of the cx18_vapi() calls below apply to only certain capture
* channel types. We're hoping there's no harm in calling most of them
* anyway, as long as the values are all consistent. Setting some
* shared parameters will have no effect once an analog capture channel
* has started streaming.
*/
if (captype != CAPTURE_CHANNEL_TYPE_TS) {
cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0);
cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1);
cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 8, 0);
cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 4, 1);
/*
* Audio related reset according to
* Documentation/video4linux/cx2341x/fw-encoder-api.txt
*/
if (atomic_read(&cx->ana_capturing) == 0)
cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2,
s->handle, 12);
/*
* Number of lines for Field 1 & Field 2 according to
* Documentation/video4linux/cx2341x/fw-encoder-api.txt
* Field 1 is 312 for 625 line systems in BT.656
* Field 2 is 313 for 625 line systems in BT.656
*/
cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3,
s->handle, 312, 313);
if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE)
cx18_vbi_setup(s);
/*
* assign program index info.
* Mask 7: select I/P/B, Num_req: 400 max
* FIXME - currently we have this hardcoded as disabled
*/
cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 1, 0);
/* Call out to the common CX2341x API setup for user controls */
priv.cx = cx;
priv.s = s;
cx2341x_update(&priv, cx18_api_func, NULL, &cx->params);
/*
* When starting a capture and we're set for radio,
* ensure the video is muted, despite the user control.
*/
if (!cx->params.video_mute &&
test_bit(CX18_F_I_RADIO_USER, &cx->i_flags))
cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle,
(cx->params.video_mute_yuv << 8) | 1);
}
if (atomic_read(&cx->tot_capturing) == 0) {
clear_bit(CX18_F_I_EOS, &cx->i_flags);
cx18_write_reg(cx, 7, CX18_DSP0_INTERRUPT_MASK);
}
cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle,
(void __iomem *)&cx->scb->cpu_mdl_ack[s->type][0] - cx->enc_mem,
(void __iomem *)&cx->scb->cpu_mdl_ack[s->type][1] - cx->enc_mem);
/* Init all the cpu_mdls for this stream */
cx18_stream_configure_mdls(s);
_cx18_stream_load_fw_queue(s);
/* begin_capture */
if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) {
CX18_DEBUG_WARN("Error starting capture!\n");
/* Ensure we're really not capturing before releasing MDLs */
set_bit(CX18_F_S_STOPPING, &s->s_flags);
if (s->type == CX18_ENC_STREAM_TYPE_MPG)
cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1);
else
cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle);
clear_bit(CX18_F_S_STREAMING, &s->s_flags);
/* FIXME - CX18_F_S_STREAMOFF as well? */
cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle);
cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle);
s->handle = CX18_INVALID_TASK_HANDLE;
clear_bit(CX18_F_S_STOPPING, &s->s_flags);
if (atomic_read(&cx->tot_capturing) == 0) {
set_bit(CX18_F_I_EOS, &cx->i_flags);
cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK);
}
return -EINVAL;
}
/* you're live! sit back and await interrupts :) */
if (captype != CAPTURE_CHANNEL_TYPE_TS)
atomic_inc(&cx->ana_capturing);
atomic_inc(&cx->tot_capturing);
return 0;
}
int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s)
{
u32 data[CX2341X_MBOX_MAX_DATA];
struct ivtv *itv = s->itv;
struct cx2341x_mpeg_params *p = &itv->params;
int captype = 0, subtype = 0;
int enable_passthrough = 0;
if (s->vdev == NULL)
return -EINVAL;
IVTV_DEBUG_INFO("Start encoder stream %s\n", s->name);
switch (s->type) {
case IVTV_ENC_STREAM_TYPE_MPG:
captype = 0;
subtype = 3;
/* Stop Passthrough */
if (itv->output_mode == OUT_PASSTHROUGH) {
ivtv_passthrough_mode(itv, 0);
enable_passthrough = 1;
}
itv->mpg_data_received = itv->vbi_data_inserted = 0;
itv->dualwatch_jiffies = jiffies;
itv->dualwatch_stereo_mode = p->audio_properties & 0x0300;
itv->search_pack_header = 0;
break;
case IVTV_ENC_STREAM_TYPE_YUV:
if (itv->output_mode == OUT_PASSTHROUGH) {
captype = 2;
subtype = 11; /* video+audio+decoder */
break;
}
captype = 1;
subtype = 1;
break;
case IVTV_ENC_STREAM_TYPE_PCM:
captype = 1;
subtype = 2;
break;
case IVTV_ENC_STREAM_TYPE_VBI:
captype = 1;
subtype = 4;
itv->vbi.frame = 0;
itv->vbi.inserted_frame = 0;
memset(itv->vbi.sliced_mpeg_size,
0, sizeof(itv->vbi.sliced_mpeg_size));
break;
default:
return -EINVAL;
}
s->subtype = subtype;
s->buffers_stolen = 0;
/* Clear Streamoff flags in case left from last capture */
clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags);
if (atomic_read(&itv->capturing) == 0) {
int digitizer;
/* Always use frame based mode. Experiments have demonstrated that byte
stream based mode results in dropped frames and corruption. Not often,
but occasionally. Many thanks go to Leonard Orb who spent a lot of
effort and time trying to trace the cause of the drop outs. */
/* 1 frame per DMA */
/*ivtv_vapi(itv, CX2341X_ENC_SET_DMA_BLOCK_SIZE, 2, 128, 0); */
ivtv_vapi(itv, CX2341X_ENC_SET_DMA_BLOCK_SIZE, 2, 1, 1);
/* Stuff from Windows, we don't know what it is */
ivtv_vapi(itv, CX2341X_ENC_SET_VERT_CROP_LINE, 1, 0);
/* According to the docs, this should be correct. However, this is
untested. I don't dare enable this without having tested it.
Only very few old cards actually have this hardware combination.
ivtv_vapi(itv, CX2341X_ENC_SET_VERT_CROP_LINE, 1,
((itv->hw_flags & IVTV_HW_SAA7114) && itv->is_60hz) ? 10001 : 0);
*/
ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 3, !itv->has_cx23415);
ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 8, 0);
ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 4, 1);
ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12);
/* assign placeholder */
ivtv_vapi(itv, CX2341X_ENC_SET_PLACEHOLDER, 12,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
if (itv->card->hw_all & (IVTV_HW_SAA7115 | IVTV_HW_SAA717X))
digitizer = 0xF1;
else if (itv->card->hw_all & IVTV_HW_SAA7114)
digitizer = 0xEF;
else /* cx25840 */
digitizer = 0x140;
ivtv_vapi(itv, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, digitizer, digitizer);
/* Setup VBI */
if (itv->v4l2_cap & V4L2_CAP_VBI_CAPTURE) {
ivtv_vbi_setup(itv);
}
/* assign program index info. Mask 7: select I/P/B, Num_req: 400 max */
ivtv_vapi_result(itv, data, CX2341X_ENC_SET_PGM_INDEX_INFO, 2, 7, 400);
itv->pgm_info_offset = data[0];
itv->pgm_info_num = data[1];
itv->pgm_info_write_idx = 0;
itv->pgm_info_read_idx = 0;
IVTV_DEBUG_INFO("PGM Index at 0x%08x with %d elements\n",
itv->pgm_info_offset, itv->pgm_info_num);
/* Setup API for Stream */
cx2341x_update(itv, ivtv_api_func, NULL, p);
/* mute if capturing radio */
if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags))
ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1,
1 | (p->video_mute_yuv << 8));
}
/* Vsync Setup */
if (itv->has_cx23415 && !test_and_set_bit(IVTV_F_I_DIG_RST, &itv->i_flags)) {
/* event notification (on) */
ivtv_vapi(itv, CX2341X_ENC_SET_EVENT_NOTIFICATION, 4, 0, 1, IVTV_IRQ_ENC_VIM_RST, -1);
ivtv_clear_irq_mask(itv, IVTV_IRQ_ENC_VIM_RST);
}
if (atomic_read(&itv->capturing) == 0) {
/* Clear all Pending Interrupts */
ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE);
clear_bit(IVTV_F_I_EOS, &itv->i_flags);
/* Initialize Digitizer for Capture */
/* Avoid tinny audio problem - ensure audio clocks are going */
v4l2_subdev_call(itv->sd_audio, audio, s_stream, 1);
/* Avoid unpredictable PCI bus hang - disable video clocks */
v4l2_subdev_call(itv->sd_video, video, s_stream, 0);
ivtv_msleep_timeout(300, 1);
ivtv_vapi(itv, CX2341X_ENC_INITIALIZE_INPUT, 0);
v4l2_subdev_call(itv->sd_video, video, s_stream, 1);
}
/* begin_capture */
if (ivtv_vapi(itv, CX2341X_ENC_START_CAPTURE, 2, captype, subtype))
{
IVTV_DEBUG_WARN( "Error starting capture!\n");
return -EINVAL;
}
/* Start Passthrough */
if (enable_passthrough) {
ivtv_passthrough_mode(itv, 1);
}
if (s->type == IVTV_ENC_STREAM_TYPE_VBI)
ivtv_clear_irq_mask(itv, IVTV_IRQ_ENC_VBI_CAP);
else
ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE);
/* you're live! sit back and await interrupts :) */
atomic_inc(&itv->capturing);
return 0;
}
