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ALSA: ps3: Add support for SPDIF/HDMI passthru 

Add support for SPDIF/HDMI pass-through support of PS3 audio driver.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-10-20 08:06:39 +02:00
parent 64931a4be0
commit 1ee2a322b0
2 changed files with 92 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

98
sound/ppc/snd_ps3.c
View File

@ -666,6 +666,7 @@ static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
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;
memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8);
ret = snd_ps3_change_avsetting(card);
@ -685,6 +686,7 @@ 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;
@ -729,19 +731,92 @@ static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
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);
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);
return 0;
card->avs = avs;
snd_ps3_change_avsetting(card);
ret = 0;
} else
return 1;
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;
}
/*
* SPDIF status bits controls
*/
static int snd_ps3_spdif_mask_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
/* FIXME: ps3av_set_audio_mode() assumes only consumer mode */
static int snd_ps3_spdif_cmask_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
memset(ucontrol->value.iec958.status, 0xff, 8);
return 0;
}
static int snd_ps3_spdif_pmask_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
return 0;
}
static int snd_ps3_spdif_default_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
memcpy(ucontrol->value.iec958.status, ps3av_mode_cs_info, 8);
return 0;
}
static int snd_ps3_spdif_default_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
if (memcmp(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8)) {
memcpy(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8);
return 1;
}
return 0;
}
static struct snd_kcontrol_new spdif_ctls[] = {
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
.info = snd_ps3_spdif_mask_info,
.get = snd_ps3_spdif_cmask_get,
},
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
.info = snd_ps3_spdif_mask_info,
.get = snd_ps3_spdif_pmask_get,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
.info = snd_ps3_spdif_mask_info,
.get = snd_ps3_spdif_default_get,
.put = snd_ps3_spdif_default_put,
},
};
static int snd_ps3_map_mmio(void)
@ -842,7 +917,7 @@ static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
{
int ret;
int i, ret;
u64 lpar_addr, lpar_size;
BUG_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1));
@ -903,6 +978,15 @@ static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
strcpy(the_card.card->driver, "PS3");
strcpy(the_card.card->shortname, "PS3");
strcpy(the_card.card->longname, "PS3 sound");
/* create control elements */
for (i = 0; i < ARRAY_SIZE(spdif_ctls); i++) {
ret = snd_ctl_add(the_card.card,
snd_ctl_new1(&spdif_ctls[i], &the_card));
if (ret < 0)
goto clean_card;
}
/* create PCM devices instance */
/* NOTE:this driver works assuming pcm:substream = 1:1 */
ret = snd_pcm_new(the_card.card,

1
sound/ppc/snd_ps3.h
View File

@ -51,6 +51,7 @@ struct snd_ps3_avsetting_info {
uint32_t avs_audio_width;
uint32_t avs_audio_format; /* fixed */
uint32_t avs_audio_source; /* fixed */
unsigned char avs_cs_info[8];
};
/*
* PS3 audio 'card' instance