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ASoC: apq8096: add slim support

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Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2019-01-28 14:27:53 +00:00 committed by Mark Brown
parent 93f97ff191
commit 9f11d233d9
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GPG Key ID: 24D68B725D5487D0
1 changed files with 70 additions and 1 deletions
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71
sound/soc/qcom/apq8096.c
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@ -9,6 +9,10 @@
#include <sound/pcm.h>
#include "common.h"
#define SLIM_MAX_TX_PORTS 16
#define SLIM_MAX_RX_PORTS 16
#define WCD9335_DEFAULT_MCLK_RATE 9600000
static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
@ -23,14 +27,79 @@ static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
return 0;
}
static int msm_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
int ret = 0;
ret = snd_soc_dai_get_channel_map(codec_dai,
&tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
if (ret != 0 && ret != -ENOTSUPP) {
pr_err("failed to get codec chan map, err:%d\n", ret);
goto end;
} else if (ret == -ENOTSUPP) {
return 0;
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
rx_ch_cnt, rx_ch);
else
ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, tx_ch,
0, NULL);
if (ret != 0 && ret != -ENOTSUPP)
pr_err("Failed to set cpu chan map, err:%d\n", ret);
else if (ret == -ENOTSUPP)
ret = 0;
end:
return ret;
}
static struct snd_soc_ops apq8096_ops = {
.hw_params = msm_snd_hw_params,
};
static int apq8096_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dai *codec_dai = rtd->codec_dai;
/*
* Codec SLIMBUS configuration
* RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
* TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13
* TX14, TX15, TX16
*/
unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149,
150, 151, 152, 153, 154, 155, 156};
unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
134, 135, 136, 137, 138, 139,
140, 141, 142, 143};
snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch),
tx_ch, ARRAY_SIZE(rx_ch), rx_ch);
snd_soc_dai_set_sysclk(codec_dai, 0, WCD9335_DEFAULT_MCLK_RATE,
SNDRV_PCM_STREAM_PLAYBACK);
return 0;
}
static void apq8096_add_be_ops(struct snd_soc_card *card)
{
struct snd_soc_dai_link *link;
int i;
for_each_card_prelinks(card, i, link) {
if (link->no_pcm == 1)
if (link->no_pcm == 1) {
link->be_hw_params_fixup = apq8096_be_hw_params_fixup;
link->init = apq8096_init;
link->ops = &apq8096_ops;
}
}
}