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ASoC: sdm845: add support to enable QUAT TDM TX path

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Add support to update QUAT TDM TX HW parameters and
back end DAI link ops to enable QUAT TDM recording
feature on SDM845.

Change-Id: If0fccafaf563f9453559a45a59300a5bec75f449
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
This commit is contained in:
Xiaoyu Ye 2017-08-24 16:50:06 -07:00
parent 8f7ccc2e6f
commit a6b2a53173
1 changed files with 39 additions and 13 deletions

52
asoc/sdm845.c
View file

@ -4495,21 +4495,22 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
unsigned int slot_mask;
unsigned int slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
slot_width = 32;
pr_debug("%s: dai id = 0x%x\n", __func__, cpu_dai->id);
slots = tdm_rx_cfg[TDM_QUAT][TDM_0].channels;
/*2 slot config - bits 0 and 1 set for the first two slots */
slot_mask = 0x0000FFFF >> (16-slots);
slot_width = 32;
channels = slots;
pr_debug("%s: slot_width %d slots %d\n", __func__, slot_width, slots);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
pr_debug("%s: slot_width %d\n", __func__, slot_width);
slots = tdm_rx_cfg[TDM_QUAT][TDM_0].channels;
/*2 slot config - bits 0 and 1 set for the first two slots */
slot_mask = 0x0000FFFF >> (16-slots);
channels = slots;
pr_debug("%s: tdm rx slot_width %d slots %d\n",
__func__, slot_width, slots);
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, slot_mask,
slots, slot_width);
if (ret < 0) {
pr_err("%s: failed to set tdm slot, err:%d\n",
pr_err("%s: failed to set tdm rx slot, err:%d\n",
__func__, ret);
goto end;
}
@ -4517,11 +4518,36 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
ret = snd_soc_dai_set_channel_map(cpu_dai,
0, NULL, channels, slot_offset);
if (ret < 0) {
pr_err("%s: failed to set channel map, err:%d\n",
pr_err("%s: failed to set tdm rx channel map, err:%d\n",
__func__, ret);
goto end;
}
} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
slots = tdm_tx_cfg[TDM_QUAT][TDM_0].channels;
/*2 slot config - bits 0 and 1 set for the first two slots */
slot_mask = 0x0000FFFF >> (16-slots);
channels = slots;
pr_debug("%s: tdm tx slot_width %d slots %d\n",
__func__, slot_width, slots);
ret = snd_soc_dai_set_tdm_slot(cpu_dai, slot_mask, 0,
slots, slot_width);
if (ret < 0) {
pr_err("%s: failed to set tdm tx slot, err:%d\n",
__func__, ret);
goto end;
}
ret = snd_soc_dai_set_channel_map(cpu_dai,
channels, slot_offset, 0, NULL);
if (ret < 0) {
pr_err("%s: failed to set tdm tx channel map, err:%d\n",
__func__, ret);
goto end;
}
} else {
ret = -EINVAL;
pr_err("%s: invalid use case, err:%d\n",
__func__, ret);
}
@ -4540,7 +4566,7 @@ static int sdm845_tdm_snd_startup(struct snd_pcm_substream *substream)
ret = msm_set_pinctrl(pinctrl_info, STATE_TDM_ACTIVE);
if (ret)
pr_err("%s: MI2S TLMM pinctrl set failed with %d\n",
pr_err("%s: TDM TLMM pinctrl set failed with %d\n",
__func__, ret);
return ret;
@ -4556,7 +4582,7 @@ static void sdm845_tdm_snd_shutdown(struct snd_pcm_substream *substream)
ret = msm_set_pinctrl(pinctrl_info, STATE_DISABLE);
if (ret)
pr_err("%s: MI2S TLMM pinctrl set failed with %d\n",
pr_err("%s: TDM TLMM pinctrl set failed with %d\n",
__func__, ret);
}
@ -5734,7 +5760,7 @@ static struct snd_soc_dai_link msm_common_be_dai_links[] = {
.dpcm_capture = 1,
.id = MSM_BACKEND_DAI_QUAT_TDM_TX_0,
.be_hw_params_fixup = msm_be_hw_params_fixup,
.ops = &msm_tdm_be_ops,
.ops = &sdm845_tdm_be_ops,
.ignore_suspend = 1,
},
};