From 1ee2a322b058f6399dc900603f9ebb392037ff77 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 20 Oct 2008 08:06:39 +0200 Subject: [PATCH] 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 Signed-off-by: Takashi Iwai --- sound/ppc/snd_ps3.c | 96 ++++++++++++++++++++++++++++++++++++++++++--- sound/ppc/snd_ps3.h | 1 + 2 files changed, 91 insertions(+), 6 deletions(-) diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c index 20d0e328288a..8f9e3859c37c 100644 --- a/sound/ppc/snd_ps3.c +++ b/sound/ppc/snd_ps3.c @@ -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, diff --git a/sound/ppc/snd_ps3.h b/sound/ppc/snd_ps3.h index 4b7e6fbbe500..326fb29e82d8 100644 --- a/sound/ppc/snd_ps3.h +++ b/sound/ppc/snd_ps3.h @@ -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 -- 2.34.1