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Commit 1ee2a322 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: ps3: Add support for SPDIF/HDMI passthru 



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

Signed-off-by: default avatarMasakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 64931a4b

sound/ppc/snd_ps3.c

+90 −6
Original line number Diff line number Diff line
@@ -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

		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,

sound/ppc/snd_ps3.h

+1 −0
Original line number Diff line number Diff line
@@ -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