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>

diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
index 20d0e32..8f9e385 100644 (file)
--- 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 4b7e6fb..326fb29 100644 (file)
--- 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