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authorTakashi Iwai <tiwai@suse.de>2005-10-12 10:04:42 +0200
committerJaroslav Kysela <perex@suse.cz>2005-11-04 13:18:37 +0100
commit2dfbeca9e9b3857e005afc9b933e2e1be07a9ea0 (patch)
tree73dd679dd97c70c272577ccf66456261f78a5a04 /sound
parentb709e57440b9d5f38b8c73e1310127d51777bba0 (diff)
[ALSA] Add support of high-rate SPDIF output
Modules: ICE1724 driver Add support of SPDIF output with sample rates higher than 48kHz. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/ice1712/ice1724.c41
1 files changed, 29 insertions, 12 deletions
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index c3ce8f93740..a1133c53412 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -675,9 +675,12 @@ static snd_pcm_hardware_t snd_vt1724_spdif =
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
.formats = SNDRV_PCM_FMTBIT_S32_LE,
- .rates = SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
+ .rates = (SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|
+ SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_88200|
+ SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_176400|
+ SNDRV_PCM_RATE_192000),
.rate_min = 32000,
- .rate_max = 48000,
+ .rate_max = 192000,
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = (1UL << 18), /* 16bits dword */
@@ -905,6 +908,10 @@ static void update_spdif_rate(ice1712_t *ice, unsigned int rate)
case 44100: break;
case 48000: nval |= 2 << 12; break;
case 32000: nval |= 3 << 12; break;
+ case 88200: nval |= 4 << 12; break;
+ case 96000: nval |= 5 << 12; break;
+ case 192000: nval |= 6 << 12; break;
+ case 176400: nval |= 7 << 12; break;
}
if (val != nval)
update_spdif_bits(ice, nval);
@@ -1292,22 +1299,32 @@ static int snd_vt1724_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *
static unsigned int encode_spdif_bits(snd_aes_iec958_t *diga)
{
- unsigned int val;
+ unsigned int val, rbits;
val = diga->status[0] & 0x03; /* professional, non-audio */
if (val & 0x01) {
/* professional */
if ((diga->status[0] & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
val |= 1U << 3;
- switch (diga->status[0] & IEC958_AES0_PRO_FS) {
- case IEC958_AES0_PRO_FS_44100:
- break;
- case IEC958_AES0_PRO_FS_32000:
- val |= 3U << 12;
- break;
- default:
- val |= 2U << 12;
- break;
+ rbits = (diga->status[4] >> 3) & 0x0f;
+ if (rbits) {
+ switch (rbits) {
+ case 2: val |= 5 << 12; break; /* 96k */
+ case 3: val |= 6 << 12; break; /* 192k */
+ case 10: val |= 4 << 12; break; /* 88.2k */
+ case 11: val |= 7 << 12; break; /* 176.4k */
+ }
+ } else {
+ switch (diga->status[0] & IEC958_AES0_PRO_FS) {
+ case IEC958_AES0_PRO_FS_44100:
+ break;
+ case IEC958_AES0_PRO_FS_32000:
+ val |= 3U << 12;
+ break;
+ default:
+ val |= 2U << 12;
+ break;
+ }
}
} else {
/* consumer */