int audiodsp_start(void)
{
struct audiodsp_priv *priv=audiodsp_privdata();
struct audiodsp_microcode *pmcode;
struct audio_info *audio_info;
int ret,i;
priv->frame_format.valid=0;
priv->decode_error_count=0;
priv->last_valid_pts=0;
priv->out_len_after_last_valid_pts = 0;
priv->decode_fatal_err = 0;
priv->first_lookup_over = 0;
pmcode=audiodsp_find_supoort_mcode(priv,priv->stream_fmt);
if(pmcode==NULL)
{
DSP_PRNT("have not find a valid mcode for fmt(0x%x)\n",priv->stream_fmt);
return -1;
}
stop_audiodsp_monitor(priv);
dsp_stop(priv);
ret=dsp_start(priv,pmcode);
if(ret==0){
start_audiodsp_monitor(priv);
#ifdef CONFIG_AM_VDEC_REAL
if((pmcode->fmt == MCODEC_FMT_COOK) ||
(pmcode->fmt == MCODEC_FMT_RAAC) ||
(pmcode->fmt == MCODEC_FMT_AMR) ||
(pmcode->fmt == MCODEC_FMT_WMA) ||
(pmcode->fmt == MCODEC_FMT_ADPCM)||
(pmcode->fmt == MCODEC_FMT_PCM) ||
(pmcode->fmt == MCODEC_FMT_WMAPRO)||
(pmcode->fmt == MCODEC_FMT_ALAC)||
(pmcode->fmt & MCODEC_FMT_AC3) ||
(pmcode->fmt & MCODEC_FMT_EAC3) ||
(pmcode->fmt == MCODEC_FMT_APE) ||
(pmcode->fmt == MCODEC_FMT_FLAC))
{
DSP_PRNT("dsp send audio info\n");
for(i = 0; i< 2000;i++){
if(DSP_RD(DSP_AUDIOINFO_STATUS) == DSP_AUDIOINFO_READY)//maybe at audiodsp side,INT not enabled yet,so wait a while
break;
msleep(1);
}
if(i == 2000)
DSP_PRNT("audiodsp not ready for info \n");
DSP_WD(DSP_AUDIOINFO_STATUS,0);
audio_info = get_audio_info();
DSP_PRNT("kernel sent info first 4 byte[0x%x],[0x%x],[0x%x],[0x%x]\n\t",audio_info->extradata[0],\
audio_info->extradata[1],audio_info->extradata[2],audio_info->extradata[3]);
DSP_WD(DSP_GET_EXTRA_INFO_FINISH, 0);
while(1){
dsp_mailbox_send(priv, 1, M2B_IRQ4_AUDIO_INFO, 0, (const char*)audio_info, sizeof(struct audio_info));
msleep(100);
if(DSP_RD(DSP_GET_EXTRA_INFO_FINISH) == 0x12345678)
break;
}
}
#endif
}
return ret;
}
static void audiodsp_allow_sleep(void)
{
struct audiodsp_priv *priv=audiodsp_privdata();
printk("audiodsp allow sleep\n");
//wake_unlock(&priv->wakelock);
}
static void audiodsp_prevent_sleep(void)
{
struct audiodsp_priv* priv = audiodsp_privdata();
printk("audiodsp prevent sleep\n");
//wake_lock(&priv->wakelock);
}
static void audiodsp_allow_sleep(void)
{
/*struct audiodsp_priv *priv= */ audiodsp_privdata();
pr_info("audiodsp allow sleep\n");
/* wake_unlock(&priv->wakelock); */
}
static void audiodsp_prevent_sleep(void)
{
/*struct audiodsp_priv* priv = */ audiodsp_privdata();
pr_info("audiodsp prevent sleep\n");
/* wake_lock(&priv->wakelock); */
}
static int audiodsp_ioctl(struct inode *node, struct file *file, unsigned int cmd,
unsigned long args)
{
struct audiodsp_priv *priv=audiodsp_privdata();
struct audiodsp_cmd *a_cmd;
char name[64];
int len;
unsigned long pts;
int ret=0;
unsigned long *val=(unsigned long *)args;
#ifdef ENABLE_WAIT_FORMAT
static int wait_format_times=0;
#endif
switch(cmd)
{
case AUDIODSP_SET_FMT:
priv->stream_fmt=args;
if(args == MCODEC_FMT_DTS)
IEC958_mode_codec = 1;
else if(args == MCODEC_FMT_AC3)
IEC958_mode_codec = 2;
else
IEC958_mode_codec = 0;
break;
case AUDIODSP_START:
if(IEC958_mode_raw_last != IEC958_mode_raw || IEC958_mode_codec_last != IEC958_mode_codec)
{
IEC958_mode_raw_last = IEC958_mode_raw;
IEC958_mode_codec_last = IEC958_mode_codec;
aml_alsa_hw_reprepare();
}
priv->decoded_nb_frames = 0;
priv->format_wait_count = 0;
if(priv->stream_fmt<=0)
{
DSP_PRNT("Audio dsp steam format have not set!\n");
}
else
{
ret=audiodsp_start();
}
break;
case AUDIODSP_STOP:
//DSP_PRNT("audiodsp command stop\n");
stop_audiodsp_monitor(priv);
dsp_stop(priv);
priv->decoded_nb_frames = 0;
priv->format_wait_count = 0;
break;
#ifdef ENABLE_WAIT_FORMAT
case AUDIODSP_DECODE_START:
if(priv->dsp_is_started)
{
dsp_codec_start(priv);
wait_format_times=0;
}
else
{
DSP_PRNT("Audio dsp have not started\n");
}
break;
case AUDIODSP_WAIT_FORMAT:
if(priv->dsp_is_started)
{
struct audio_info *audio_format;
int ch = 0;
audio_format = get_audio_info();
wait_format_times++;
if(wait_format_times>100){
int audio_info = DSP_RD(DSP_AUDIO_FORMAT_INFO);
if(audio_info){
priv->frame_format.channel_num = audio_info&0xf;
if(priv->frame_format.channel_num)
priv->frame_format.valid |= CHANNEL_VALID;
priv->frame_format.data_width= (audio_info>>4)&0x3f;
if(priv->frame_format.data_width)
priv->frame_format.valid |= DATA_WIDTH_VALID;
priv->frame_format.sample_rate = (audio_info>>10);
if(priv->frame_format.sample_rate)
priv->frame_format.valid |= SAMPLE_RATE_VALID;
DSP_PRNT("warning::got info from mailbox failed,read from regiser\n");
ret = 0;
}else{
DSP_PRNT("dsp have not set the codec stream's format details,valid=%x\n",
priv->frame_format.valid);
priv->format_wait_count++;
if(priv->format_wait_count > 5){
if(audio_format->channels&&audio_format->sample_rate){
priv->frame_format.channel_num = audio_format->channels>2?2:audio_format->channels;
priv->frame_format.sample_rate = audio_format->sample_rate;
priv->frame_format.data_width = 16;
priv->frame_format.valid = CHANNEL_VALID|DATA_WIDTH_VALID|SAMPLE_RATE_VALID;
DSP_PRNT("we have not got format details from dsp,so use the info got from the header parsed instead\n");
ret = 0;
}else{
ret = -1;
}
}else{
ret=-1;
}
}
}else if(priv->frame_format.valid == (CHANNEL_VALID|DATA_WIDTH_VALID|SAMPLE_RATE_VALID)){