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ASoC: qcom: Add MSM8998 sound card support

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Add MSM8998 sound support: this driver supports basic functionality
and headphone jack.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
(JAMI: fixup for 5.17 & 6.0-rc2)
This commit is contained in:
AngeloGioacchino Del Regno 2021-08-09 19:21:02 +02:00 • committed by Jami Kettunen
parent 2d33f88e95
commit 56ca265e48
3 changed files with 514 additions and 0 deletions
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11
sound/soc/qcom/Kconfig
View file

@ -148,6 +148,17 @@ config SND_SOC_MSM8996
APQ8096 SoC-based systems.
Say Y if you want to use audio device on this SoCs
config SND_SOC_MSM8998
tristate "SoC Machine driver for MSM8998 and APQ8098 boards"
depends on QCOM_APR && I2C && SOUNDWIRE
depends on COMMON_CLK
select SND_SOC_QDSP6
select SND_SOC_QCOM_COMMON
help
To add support for audio on Qualcomm Technologies Inc.
MSM8998 SoC-based systems.
Say Y if you want to use audio device on this SoCs.
config SND_SOC_SDM845
tristate "SoC Machine driver for SDM845 boards"
depends on QCOM_APR && I2C && SOUNDWIRE

2
sound/soc/qcom/Makefile
View file

@ -22,6 +22,7 @@ obj-$(CONFIG_SND_SOC_LPASS_SC7280) += snd-soc-lpass-sc7280.o
snd-soc-storm-objs := storm.o
snd-soc-apq8016-sbc-objs := apq8016_sbc.o
snd-soc-apq8096-objs := apq8096.o
snd-soc-msm8998-objs := msm8998.o
snd-soc-sc7180-objs := sc7180.o
snd-soc-sc7280-objs := sc7280.o
snd-soc-sdm845-objs := sdm845.o
@ -32,6 +33,7 @@ snd-soc-qcom-common-objs := common.o
obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o
obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o
obj-$(CONFIG_SND_SOC_MSM8996) += snd-soc-apq8096.o
obj-$(CONFIG_SND_SOC_MSM8998) += snd-soc-msm8998.o
obj-$(CONFIG_SND_SOC_SC7180) += snd-soc-sc7180.o
obj-$(CONFIG_SND_SOC_SC7280) += snd-soc-sc7280.o
obj-$(CONFIG_SND_SOC_SC8280XP) += snd-soc-sc8280xp.o

501
sound/soc/qcom/msm8998.c Normal file
View file

@ -0,0 +1,501 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Based on sdm845.c
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* MSM8998 ASoC driver
* Copyright (c) 2021, AngeloGioacchino Del Regno
* <angelogioacchino.delregno@somainline.org>
*/
#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 <linux/soundwire/sdw.h>
#include <uapi/linux/input-event-codes.h>
#include "common.h"
#include "qdsp6/q6afe.h"
#define DRIVER_NAME "msm8998"
#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
#define SLIM_MAX_TX_PORTS 17
#define SLIM_MAX_RX_PORTS 14
#define WCD934X_DEFAULT_MCLK_RATE 9600000
struct msm8998_snd_data {
struct snd_soc_jack jack;
bool jack_setup;
bool stream_prepared[SLIM_MAX_RX_PORTS];
struct snd_soc_card *card;
uint32_t quat_tdm_clk_count;
struct sdw_stream_runtime *sruntime[SLIM_MAX_RX_PORTS];
};
static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
static int msm8998_slim_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct snd_soc_dai *codec_dai;
struct msm8998_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
struct sdw_stream_runtime *sruntime;
u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
int ret = 0, i;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
sruntime = snd_soc_dai_get_stream(codec_dai,
substream->stream);
if (sruntime != ERR_PTR(-ENOTSUPP))
pdata->sruntime[cpu_dai->id] = sruntime;
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);
return ret;
} else if (ret == -ENOTSUPP) {
/* Ignore unsupported */
continue;
}
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);
}
return 0;
}
static int msm8998_tdm_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct snd_soc_dai *codec_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_each_rtd_codec_dais(rtd, j, codec_dai) {
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 msm8998_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
int ret = 0;
switch (cpu_dai->id) {
case QUATERNARY_TDM_RX_0:
case QUATERNARY_TDM_TX_0:
ret = msm8998_tdm_snd_hw_params(substream, params);
break;
case SLIMBUS_0_RX...SLIMBUS_6_TX:
ret = msm8998_slim_snd_hw_params(substream, params);
break;
case QUATERNARY_MI2S_RX:
break;
default:
pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
break;
}
return ret;
}
static int msm8998_dai_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct msm8998_snd_data *pdata = snd_soc_card_get_drvdata(card);
struct snd_jack *jack;
/*
* Codec SLIMBUS configuration
* RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13, RX14
* 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, 157 };
unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
134, 135, 136, 137, 138, 139,
140, 141, 142, 143};
int ret, i;
if (!pdata->jack_setup) {
ret = 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);
if (ret < 0) {
dev_err(card->dev, "Unable to add Headphone Jack\n");
return ret;
}
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 SLIMBUS_0_RX...SLIMBUS_6_TX:
for_each_rtd_codec_dais(rtd, i, codec_dai) {
ret = snd_soc_dai_set_channel_map(codec_dai,
ARRAY_SIZE(tx_ch), tx_ch,
ARRAY_SIZE(rx_ch), rx_ch);
if (ret != 0 && ret != -ENOTSUPP)
return ret;
snd_soc_dai_set_sysclk(codec_dai, 0,
WCD934X_DEFAULT_MCLK_RATE,
SNDRV_PCM_STREAM_PLAYBACK);
ret = snd_soc_component_set_jack(codec_dai->component,
&pdata->jack, NULL);
if (ret != 0 && ret != -ENOTSUPP) {
dev_warn(card->dev, "Failed to set jack: %d\n", ret);
return ret;
}
}
break;
default:
break;
}
return 0;
}
static int msm8998_snd_startup(struct snd_pcm_substream *substream)
{
unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS;
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
struct msm8998_snd_data *data = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
int j;
int ret;
switch (cpu_dai->id) {
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_each_rtd_codec_dais(rtd, j, codec_dai) {
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;
case SLIMBUS_0_RX...SLIMBUS_6_TX:
break;
default:
pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
break;
}
return 0;
}
static void msm8998_snd_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
struct msm8998_snd_data *data = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
switch (cpu_dai->id) {
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;
case SLIMBUS_0_RX...SLIMBUS_6_TX:
case QUATERNARY_MI2S_RX:
break;
default:
pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
break;
}
}
static int msm8998_snd_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct msm8998_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
int ret;
if (!sruntime)
return 0;
if (data->stream_prepared[cpu_dai->id]) {
sdw_disable_stream(sruntime);
sdw_deprepare_stream(sruntime);
data->stream_prepared[cpu_dai->id] = false;
}
ret = sdw_prepare_stream(sruntime);
if (ret)
return ret;
/**
* NOTE: there is a strict hw requirement about the ordering of port
* enables and actual WSA881x PA enable. PA enable should only happen
* after soundwire ports are enabled if not DC on the line is
* accumulated resulting in Click/Pop Noise
* PA enable/mute are handled as part of codec DAPM and digital mute.
*/
ret = sdw_enable_stream(sruntime);
if (ret) {
sdw_deprepare_stream(sruntime);
return ret;
}
data->stream_prepared[cpu_dai->id] = true;
return ret;
}
static int msm8998_snd_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct msm8998_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
if (sruntime && data->stream_prepared[cpu_dai->id]) {
sdw_disable_stream(sruntime);
sdw_deprepare_stream(sruntime);
data->stream_prepared[cpu_dai->id] = false;
}
return 0;
}
static const struct snd_soc_ops msm8998_be_ops = {
.hw_params = msm8998_snd_hw_params,
.hw_free = msm8998_snd_hw_free,
.prepare = msm8998_snd_prepare,
.startup = msm8998_snd_startup,
.shutdown = msm8998_snd_shutdown,
};
static int msm8998_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 msm8998_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 msm8998_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 = &msm8998_be_ops;
link->be_hw_params_fixup = msm8998_be_hw_params_fixup;
}
link->init = msm8998_dai_init;
}
}
static int msm8998_snd_platform_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
struct msm8998_snd_data *data;
struct device *dev = &pdev->dev;
int ret;
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
if (!card)
return -ENOMEM;
/* Allocate the private data */
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
card->driver_name = DRIVER_NAME;
card->dapm_widgets = msm8998_snd_widgets;
card->num_dapm_widgets = ARRAY_SIZE(msm8998_snd_widgets);
card->dev = dev;
card->owner = THIS_MODULE;
dev_set_drvdata(dev, card);
ret = qcom_snd_parse_of(card);
if (ret)
return ret;
data->card = card;
snd_soc_card_set_drvdata(card, data);
msm8998_add_ops(card);
return devm_snd_soc_register_card(dev, card);
}
static const struct of_device_id msm8998_snd_device_id[] = {
{ .compatible = "qcom,msm8998-sndcard" },
{},
};
MODULE_DEVICE_TABLE(of, msm8998_snd_device_id);
static struct platform_driver msm8998_snd_driver = {
.probe = msm8998_snd_platform_probe,
.driver = {
.name = "msm-snd-msm8998",
.of_match_table = msm8998_snd_device_id,
},
};
module_platform_driver(msm8998_snd_driver);
MODULE_DESCRIPTION("msm8998 ASoC Machine Driver");
MODULE_LICENSE("GPL v2");