/*
* set sampling rate according to the substream
*/
static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
{
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
struct snd_ps3_avsetting_info avs;
avs = card->avs;
pr_debug("%s: called freq=%d width=%d\n", __func__,
substream->runtime->rate,
snd_pcm_format_width(substream->runtime->format));
pr_debug("%s: before freq=%d width=%d\n", __func__,
card->avs.avs_audio_rate, card->avs.avs_audio_width);
/* sample rate */
switch (substream->runtime->rate) {
case 44100:
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K;
break;
case 48000:
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
break;
case 88200:
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K;
break;
case 96000:
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K;
break;
default:
pr_info("%s: invalid rate %d\n", __func__,
substream->runtime->rate);
return 1;
}
/* width */
switch (snd_pcm_format_width(substream->runtime->format)) {
case 16:
avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
break;
case 24:
avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24;
break;
default:
pr_info("%s: invalid width %d\n", __func__,
snd_pcm_format_width(substream->runtime->format));
return 1;
}
if ((card->avs.avs_audio_width != avs.avs_audio_width) ||
(card->avs.avs_audio_rate != avs.avs_audio_rate)) {
card->avs = avs;
snd_ps3_change_avsetting(card);
pr_debug("%s: after freq=%d width=%d\n", __func__,
card->avs.avs_audio_rate, card->avs.avs_audio_width);
return 0;
} else
return 1;
}
static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
{
int ret;
pr_debug("%s: start\n", __func__);
card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2;
card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM;
card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
ret = snd_ps3_change_avsetting(card);
snd_ps3_audio_fixup(card);
/* to start to generate SPDIF signal, fill data */
snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
snd_ps3_kick_dma(card);
pr_debug("%s: end\n", __func__);
return ret;
}
/*
* set sampling rate according to the substream
*/
static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
{
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
struct snd_ps3_avsetting_info avs;
int ret;
avs = card->avs;
pr_debug("%s: called freq=%d width=%d\n", __func__,
substream->runtime->rate,
snd_pcm_format_width(substream->runtime->format));
pr_debug("%s: before freq=%d width=%d\n", __func__,
card->avs.avs_audio_rate, card->avs.avs_audio_width);
/* sample rate */
switch (substream->runtime->rate) {
case 44100:
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K;
break;
case 48000:
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
break;
case 88200:
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K;
break;
case 96000:
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K;
break;
default:
pr_info("%s: invalid rate %d\n", __func__,
substream->runtime->rate);
return 1;
}
/* width */
switch (snd_pcm_format_width(substream->runtime->format)) {
case 16:
avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
break;
case 24:
avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24;
break;
default:
pr_info("%s: invalid width %d\n", __func__,
snd_pcm_format_width(substream->runtime->format));
return 1;
}
memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
if (memcmp(&card->avs, &avs, sizeof(avs))) {
pr_debug("%s: after freq=%d width=%d\n", __func__,
card->avs.avs_audio_rate, card->avs.avs_audio_width);
card->avs = avs;
snd_ps3_change_avsetting(card);
ret = 0;
} else
ret = 1;
/* check CS non-audio bit and mute accordingly */
if (avs.avs_cs_info[0] & 0x02)
ps3av_audio_mute_analog(1); /* mute if non-audio */
else
ps3av_audio_mute_analog(0);
return ret;
}
