470 lines
12 KiB
C
470 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/of_device.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <sound/jack.h>
|
|
#include <sound/soc.h>
|
|
#include <uapi/linux/input-event-codes.h>
|
|
#include "common.h"
|
|
#include "qdsp6/q6afe.h"
|
|
#include "../codecs/rt5663.h"
|
|
|
|
#define DEFAULT_SAMPLE_RATE_48K 48000
|
|
#define DEFAULT_MCLK_RATE 24576000
|
|
#define TDM_BCLK_RATE 6144000
|
|
#define MI2S_BCLK_RATE 1536000
|
|
#define LEFT_SPK_TDM_TX_MASK 0x30
|
|
#define RIGHT_SPK_TDM_TX_MASK 0xC0
|
|
#define SPK_TDM_RX_MASK 0x03
|
|
#define NUM_TDM_SLOTS 8
|
|
|
|
struct sdm845_snd_data {
|
|
struct snd_soc_jack jack;
|
|
bool jack_setup;
|
|
struct snd_soc_card *card;
|
|
uint32_t pri_mi2s_clk_count;
|
|
uint32_t sec_mi2s_clk_count;
|
|
uint32_t quat_tdm_clk_count;
|
|
};
|
|
|
|
static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
|
|
|
|
static int sdm845_tdm_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 *cpu_dai = rtd->cpu_dai;
|
|
int ret = 0, j;
|
|
int channels, slot_width;
|
|
|
|
switch (params_format(params)) {
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
slot_width = 16;
|
|
break;
|
|
default:
|
|
dev_err(rtd->dev, "%s: invalid param format 0x%x\n",
|
|
__func__, params_format(params));
|
|
return -EINVAL;
|
|
}
|
|
|
|
channels = params_channels(params);
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3,
|
|
8, slot_width);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
|
|
__func__, ret);
|
|
goto end;
|
|
}
|
|
|
|
ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
|
|
channels, tdm_slot_offset);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
|
|
__func__, ret);
|
|
goto end;
|
|
}
|
|
} else {
|
|
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0,
|
|
8, slot_width);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
|
|
__func__, ret);
|
|
goto end;
|
|
}
|
|
|
|
ret = snd_soc_dai_set_channel_map(cpu_dai, channels,
|
|
tdm_slot_offset, 0, NULL);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
|
|
__func__, ret);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
for (j = 0; j < rtd->num_codecs; j++) {
|
|
struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
|
|
|
|
if (!strcmp(codec_dai->component->name_prefix, "Left")) {
|
|
ret = snd_soc_dai_set_tdm_slot(
|
|
codec_dai, LEFT_SPK_TDM_TX_MASK,
|
|
SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
|
|
slot_width);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev,
|
|
"DEV0 TDM slot err:%d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (!strcmp(codec_dai->component->name_prefix, "Right")) {
|
|
ret = snd_soc_dai_set_tdm_slot(
|
|
codec_dai, RIGHT_SPK_TDM_TX_MASK,
|
|
SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
|
|
slot_width);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev,
|
|
"DEV1 TDM slot err:%d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
|
|
end:
|
|
return ret;
|
|
}
|
|
|
|
static int sdm845_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 *cpu_dai = rtd->cpu_dai;
|
|
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
|
int ret = 0;
|
|
|
|
switch (cpu_dai->id) {
|
|
case PRIMARY_MI2S_RX:
|
|
case PRIMARY_MI2S_TX:
|
|
/*
|
|
* Use ASRC for internal clocks, as PLL rate isn't multiple
|
|
* of BCLK.
|
|
*/
|
|
rt5663_sel_asrc_clk_src(
|
|
codec_dai->component,
|
|
RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
|
|
RT5663_CLK_SEL_I2S1_ASRC);
|
|
ret = snd_soc_dai_set_sysclk(
|
|
codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE,
|
|
SND_SOC_CLOCK_IN);
|
|
if (ret < 0)
|
|
dev_err(rtd->dev,
|
|
"snd_soc_dai_set_sysclk err = %d\n", ret);
|
|
break;
|
|
case QUATERNARY_TDM_RX_0:
|
|
case QUATERNARY_TDM_TX_0:
|
|
ret = sdm845_tdm_snd_hw_params(substream, params);
|
|
break;
|
|
default:
|
|
pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void sdm845_jack_free(struct snd_jack *jack)
|
|
{
|
|
struct snd_soc_component *component = jack->private_data;
|
|
|
|
snd_soc_component_set_jack(component, NULL, NULL);
|
|
}
|
|
|
|
static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_component *component;
|
|
struct snd_soc_card *card = rtd->card;
|
|
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
|
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
|
struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card);
|
|
struct snd_jack *jack;
|
|
int rval;
|
|
|
|
if (!pdata->jack_setup) {
|
|
rval = snd_soc_card_jack_new(card, "Headset Jack",
|
|
SND_JACK_HEADSET |
|
|
SND_JACK_HEADPHONE |
|
|
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
|
|
SND_JACK_BTN_2 | SND_JACK_BTN_3,
|
|
&pdata->jack, NULL, 0);
|
|
|
|
if (rval < 0) {
|
|
dev_err(card->dev, "Unable to add Headphone Jack\n");
|
|
return rval;
|
|
}
|
|
|
|
jack = pdata->jack.jack;
|
|
|
|
snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
|
|
snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
|
|
snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
|
|
snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
|
|
pdata->jack_setup = true;
|
|
}
|
|
|
|
switch (cpu_dai->id) {
|
|
case PRIMARY_MI2S_RX:
|
|
jack = pdata->jack.jack;
|
|
component = codec_dai->component;
|
|
|
|
jack->private_data = component;
|
|
jack->private_free = sdm845_jack_free;
|
|
rval = snd_soc_component_set_jack(component,
|
|
&pdata->jack, NULL);
|
|
if (rval != 0 && rval != -ENOTSUPP) {
|
|
dev_warn(card->dev, "Failed to set jack: %d\n", rval);
|
|
return rval;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int sdm845_snd_startup(struct snd_pcm_substream *substream)
|
|
{
|
|
unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS;
|
|
unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS;
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_card *card = rtd->card;
|
|
struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
|
|
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
|
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
|
int j;
|
|
int ret;
|
|
|
|
switch (cpu_dai->id) {
|
|
case PRIMARY_MI2S_RX:
|
|
case PRIMARY_MI2S_TX:
|
|
codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
|
|
if (++(data->pri_mi2s_clk_count) == 1) {
|
|
snd_soc_dai_set_sysclk(cpu_dai,
|
|
Q6AFE_LPASS_CLK_ID_MCLK_1,
|
|
DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
|
|
snd_soc_dai_set_sysclk(cpu_dai,
|
|
Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
|
|
MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
|
|
}
|
|
snd_soc_dai_set_fmt(cpu_dai, fmt);
|
|
snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
|
|
break;
|
|
|
|
case SECONDARY_MI2S_TX:
|
|
codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
|
|
if (++(data->sec_mi2s_clk_count) == 1) {
|
|
snd_soc_dai_set_sysclk(cpu_dai,
|
|
Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
|
|
MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE);
|
|
}
|
|
snd_soc_dai_set_fmt(cpu_dai, fmt);
|
|
snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
|
|
break;
|
|
|
|
case QUATERNARY_TDM_RX_0:
|
|
case QUATERNARY_TDM_TX_0:
|
|
if (++(data->quat_tdm_clk_count) == 1) {
|
|
snd_soc_dai_set_sysclk(cpu_dai,
|
|
Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
|
|
TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
|
|
}
|
|
|
|
codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
|
|
|
|
for (j = 0; j < rtd->num_codecs; j++) {
|
|
codec_dai = rtd->codec_dais[j];
|
|
|
|
if (!strcmp(codec_dai->component->name_prefix,
|
|
"Left")) {
|
|
ret = snd_soc_dai_set_fmt(
|
|
codec_dai, codec_dai_fmt);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev,
|
|
"Left TDM fmt err:%d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (!strcmp(codec_dai->component->name_prefix,
|
|
"Right")) {
|
|
ret = snd_soc_dai_set_fmt(
|
|
codec_dai, codec_dai_fmt);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev,
|
|
"Right TDM slot err:%d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void sdm845_snd_shutdown(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_card *card = rtd->card;
|
|
struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
|
|
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
|
|
|
switch (cpu_dai->id) {
|
|
case PRIMARY_MI2S_RX:
|
|
case PRIMARY_MI2S_TX:
|
|
if (--(data->pri_mi2s_clk_count) == 0) {
|
|
snd_soc_dai_set_sysclk(cpu_dai,
|
|
Q6AFE_LPASS_CLK_ID_MCLK_1,
|
|
0, SNDRV_PCM_STREAM_PLAYBACK);
|
|
snd_soc_dai_set_sysclk(cpu_dai,
|
|
Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
|
|
0, SNDRV_PCM_STREAM_PLAYBACK);
|
|
};
|
|
break;
|
|
|
|
case SECONDARY_MI2S_TX:
|
|
if (--(data->sec_mi2s_clk_count) == 0) {
|
|
snd_soc_dai_set_sysclk(cpu_dai,
|
|
Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
|
|
0, SNDRV_PCM_STREAM_CAPTURE);
|
|
}
|
|
break;
|
|
|
|
case QUATERNARY_TDM_RX_0:
|
|
case QUATERNARY_TDM_TX_0:
|
|
if (--(data->quat_tdm_clk_count) == 0) {
|
|
snd_soc_dai_set_sysclk(cpu_dai,
|
|
Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
|
|
0, SNDRV_PCM_STREAM_PLAYBACK);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static const struct snd_soc_ops sdm845_be_ops = {
|
|
.hw_params = sdm845_snd_hw_params,
|
|
.startup = sdm845_snd_startup,
|
|
.shutdown = sdm845_snd_shutdown,
|
|
};
|
|
|
|
static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
|
|
struct snd_pcm_hw_params *params)
|
|
{
|
|
struct snd_interval *rate = hw_param_interval(params,
|
|
SNDRV_PCM_HW_PARAM_RATE);
|
|
struct snd_interval *channels = hw_param_interval(params,
|
|
SNDRV_PCM_HW_PARAM_CHANNELS);
|
|
struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
|
|
|
|
rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
|
|
channels->min = channels->max = 2;
|
|
snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = {
|
|
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
|
SND_SOC_DAPM_SPK("Left Spk", NULL),
|
|
SND_SOC_DAPM_SPK("Right Spk", NULL),
|
|
SND_SOC_DAPM_MIC("Int Mic", NULL),
|
|
};
|
|
|
|
static void sdm845_add_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) {
|
|
link->ops = &sdm845_be_ops;
|
|
link->be_hw_params_fixup = sdm845_be_hw_params_fixup;
|
|
}
|
|
link->init = sdm845_dai_init;
|
|
}
|
|
}
|
|
|
|
static int sdm845_snd_platform_probe(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
struct sdm845_snd_data *data;
|
|
struct device *dev = &pdev->dev;
|
|
int ret;
|
|
|
|
card = kzalloc(sizeof(*card), GFP_KERNEL);
|
|
if (!card)
|
|
return -ENOMEM;
|
|
|
|
/* Allocate the private data */
|
|
data = kzalloc(sizeof(*data), GFP_KERNEL);
|
|
if (!data) {
|
|
ret = -ENOMEM;
|
|
goto data_alloc_fail;
|
|
}
|
|
|
|
card->dapm_widgets = sdm845_snd_widgets;
|
|
card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
|
|
card->dev = dev;
|
|
dev_set_drvdata(dev, card);
|
|
ret = qcom_snd_parse_of(card);
|
|
if (ret) {
|
|
dev_err(dev, "Error parsing OF data\n");
|
|
goto parse_dt_fail;
|
|
}
|
|
|
|
data->card = card;
|
|
snd_soc_card_set_drvdata(card, data);
|
|
|
|
sdm845_add_ops(card);
|
|
ret = snd_soc_register_card(card);
|
|
if (ret) {
|
|
dev_err(dev, "Sound card registration failed\n");
|
|
goto register_card_fail;
|
|
}
|
|
return ret;
|
|
|
|
register_card_fail:
|
|
kfree(card->dai_link);
|
|
parse_dt_fail:
|
|
kfree(data);
|
|
data_alloc_fail:
|
|
kfree(card);
|
|
return ret;
|
|
}
|
|
|
|
static int sdm845_snd_platform_remove(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card = dev_get_drvdata(&pdev->dev);
|
|
struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
|
|
|
|
snd_soc_unregister_card(card);
|
|
kfree(card->dai_link);
|
|
kfree(data);
|
|
kfree(card);
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id sdm845_snd_device_id[] = {
|
|
{ .compatible = "qcom,sdm845-sndcard" },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, sdm845_snd_device_id);
|
|
|
|
static struct platform_driver sdm845_snd_driver = {
|
|
.probe = sdm845_snd_platform_probe,
|
|
.remove = sdm845_snd_platform_remove,
|
|
.driver = {
|
|
.name = "msm-snd-sdm845",
|
|
.of_match_table = sdm845_snd_device_id,
|
|
},
|
|
};
|
|
module_platform_driver(sdm845_snd_driver);
|
|
|
|
MODULE_DESCRIPTION("sdm845 ASoC Machine Driver");
|
|
MODULE_LICENSE("GPL v2");
|