ASoC: msm: Add 8-channel L-PCM TX support
There is use case that the HDMI input goes through MI2S TX
interface to ADSP. Add 8-channel L-PCM TX support for this
use case.
Change-Id: Iaf10ec357a25fe4cf80e36a2ceba3d113e9b0416
Signed-off-by: Subhash Chandra Bose Naripeddy <snariped@codeaurora.org>
diff --git a/sound/soc/msm/msm-dai-fe.c b/sound/soc/msm/msm-dai-fe.c
index 011912e..16a4aaa 100644
--- a/sound/soc/msm/msm-dai-fe.c
+++ b/sound/soc/msm/msm-dai-fe.c
@@ -199,7 +199,7 @@
SNDRV_PCM_RATE_KNOT),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
- .channels_max = 6,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -225,7 +225,7 @@
SNDRV_PCM_RATE_KNOT),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
- .channels_max = 6,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -240,7 +240,7 @@
SNDRV_PCM_RATE_KNOT),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
- .channels_max = 6,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -255,7 +255,7 @@
SNDRV_PCM_RATE_KNOT),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
- .channels_max = 6,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
diff --git a/sound/soc/msm/msm-multi-ch-pcm-q6.c b/sound/soc/msm/msm-multi-ch-pcm-q6.c
index 6945a4f..ee3bbeb 100644
--- a/sound/soc/msm/msm-multi-ch-pcm-q6.c
+++ b/sound/soc/msm/msm-multi-ch-pcm-q6.c
@@ -47,11 +47,11 @@
static struct snd_msm_volume multi_ch_pcm_audio = {NULL, 0x2000};
#define PLAYBACK_NUM_PERIODS 8
-#define PLAYBACK_MAX_PERIOD_SIZE 4032
+#define PLAYBACK_MAX_PERIOD_SIZE 12288
#define PLAYBACK_MIN_PERIOD_SIZE 256
#define CAPTURE_NUM_PERIODS 16
#define CAPTURE_MIN_PERIOD_SIZE 320
-#define CAPTURE_MAX_PERIOD_SIZE 5376
+#define CAPTURE_MAX_PERIOD_SIZE 12288
static struct snd_pcm_hardware msm_pcm_hardware_capture = {
.info = (SNDRV_PCM_INFO_MMAP |
@@ -279,8 +279,8 @@
pr_debug("Samp_rate = %d\n", prtd->samp_rate);
pr_debug("Channel = %d\n", prtd->channel_mode);
- ret = q6asm_enc_cfg_blk_pcm(prtd->audio_client, prtd->samp_rate,
- prtd->channel_mode);
+ ret = q6asm_enc_cfg_blk_multi_ch_pcm(prtd->audio_client,
+ prtd->samp_rate, prtd->channel_mode);
if (ret < 0)
pr_debug("%s: cmd cfg pcm was block failed", __func__);
@@ -375,7 +375,8 @@
/* Capture path */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
runtime->hw = msm_pcm_hardware_capture;
- ret = q6asm_open_read(prtd->audio_client, FORMAT_LINEAR_PCM);
+ ret = q6asm_open_read(prtd->audio_client,
+ FORMAT_MULTI_CHANNEL_LINEAR_PCM);
if (ret < 0) {
pr_err("%s: pcm in open failed\n", __func__);
q6asm_audio_client_free(prtd->audio_client);
diff --git a/sound/soc/msm/qdsp6/q6asm.c b/sound/soc/msm/qdsp6/q6asm.c
index a0f7f7d..9b8a4bd 100644
--- a/sound/soc/msm/qdsp6/q6asm.c
+++ b/sound/soc/msm/qdsp6/q6asm.c
@@ -1898,7 +1898,16 @@
enc_cfg.enc_blk.cfg.mpcm.sample_rate = rate;
enc_cfg.enc_blk.cfg.mpcm.is_signed = 1;
enc_cfg.enc_blk.cfg.mpcm.is_interleaved = 1;
- if (channels == 2) {
+ if (channels == 1) {
+ enc_cfg.enc_blk.cfg.mpcm.channel_mapping[0] = PCM_CHANNEL_FL;
+ enc_cfg.enc_blk.cfg.mpcm.channel_mapping[1] = 0;
+ enc_cfg.enc_blk.cfg.mpcm.channel_mapping[2] = 0;
+ enc_cfg.enc_blk.cfg.mpcm.channel_mapping[3] = 0;
+ enc_cfg.enc_blk.cfg.mpcm.channel_mapping[4] = 0;
+ enc_cfg.enc_blk.cfg.mpcm.channel_mapping[5] = 0;
+ enc_cfg.enc_blk.cfg.mpcm.channel_mapping[6] = 0;
+ enc_cfg.enc_blk.cfg.mpcm.channel_mapping[7] = 0;
+ } else if (channels == 2) {
enc_cfg.enc_blk.cfg.mpcm.channel_mapping[0] = PCM_CHANNEL_FL;
enc_cfg.enc_blk.cfg.mpcm.channel_mapping[1] = PCM_CHANNEL_FR;
enc_cfg.enc_blk.cfg.mpcm.channel_mapping[2] = 0;
@@ -2053,6 +2062,11 @@
} else if (num_channels == 2) {
channel_mapping[0] = PCM_CHANNEL_FL;
channel_mapping[1] = PCM_CHANNEL_FR;
+ } else if (num_channels == 4) {
+ channel_mapping[0] = PCM_CHANNEL_FL;
+ channel_mapping[1] = PCM_CHANNEL_FR;
+ channel_mapping[1] = PCM_CHANNEL_LB;
+ channel_mapping[1] = PCM_CHANNEL_RB;
} else if (num_channels == 6) {
channel_mapping[0] = PCM_CHANNEL_FC;
channel_mapping[1] = PCM_CHANNEL_FL;
@@ -2060,6 +2074,15 @@
channel_mapping[3] = PCM_CHANNEL_LB;
channel_mapping[4] = PCM_CHANNEL_RB;
channel_mapping[5] = PCM_CHANNEL_LFE;
+ } else if (num_channels == 8) {
+ channel_mapping[0] = PCM_CHANNEL_FC;
+ channel_mapping[1] = PCM_CHANNEL_FL;
+ channel_mapping[2] = PCM_CHANNEL_FR;
+ channel_mapping[3] = PCM_CHANNEL_LB;
+ channel_mapping[4] = PCM_CHANNEL_RB;
+ channel_mapping[5] = PCM_CHANNEL_LFE;
+ channel_mapping[6] = PCM_CHANNEL_FLC;
+ channel_mapping[7] = PCM_CHANNEL_FRC;
} else {
pr_err("%s: ERROR.unsupported num_ch = %u\n", __func__,
num_channels);
@@ -2316,6 +2339,11 @@
} else if (channels == 2) {
channel_mapping[0] = PCM_CHANNEL_FL;
channel_mapping[1] = PCM_CHANNEL_FR;
+ } else if (channels == 4) {
+ channel_mapping[0] = PCM_CHANNEL_FL;
+ channel_mapping[1] = PCM_CHANNEL_FR;
+ channel_mapping[1] = PCM_CHANNEL_LB;
+ channel_mapping[1] = PCM_CHANNEL_RB;
} else if (channels == 6) {
channel_mapping[0] = PCM_CHANNEL_FL;
channel_mapping[1] = PCM_CHANNEL_FR;
@@ -2323,6 +2351,15 @@
channel_mapping[3] = PCM_CHANNEL_LFE;
channel_mapping[4] = PCM_CHANNEL_LB;
channel_mapping[5] = PCM_CHANNEL_RB;
+ } else if (channels == 8) {
+ channel_mapping[0] = PCM_CHANNEL_FC;
+ channel_mapping[1] = PCM_CHANNEL_FL;
+ channel_mapping[2] = PCM_CHANNEL_FR;
+ channel_mapping[3] = PCM_CHANNEL_LB;
+ channel_mapping[4] = PCM_CHANNEL_RB;
+ channel_mapping[5] = PCM_CHANNEL_LFE;
+ channel_mapping[6] = PCM_CHANNEL_FLC;
+ channel_mapping[7] = PCM_CHANNEL_FRC;
} else {
pr_err("%s: ERROR.unsupported num_ch = %u\n", __func__,
channels);