// SPDX-License-Identifier: GPL-2.0+
/*
* Machine driver for AMD Vangogh platform using either
* NAU8821 & CS35L41 or NAU8821 & MAX98388 codecs.
*
* Copyright 2021 Advanced Micro Devices, Inc.
*/
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/input-event-codes.h>
#include <linux/module.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include "../../codecs/nau8821.h"
#include "acp5x.h"
#define DRV_NAME "acp5x_mach"
#define DUAL_CHANNEL 2
#define ACP5X_NAU8821_BCLK 3072000
#define ACP5X_NAU8821_FREQ_OUT 12288000
#define ACP5X_NAU8821_COMP_NAME "i2c-NVTN2020:00"
#define ACP5X_NAU8821_DAI_NAME "nau8821-hifi"
#define ACP5X_CS35L41_COMP_LNAME "spi-VLV1776:00"
#define ACP5X_CS35L41_COMP_RNAME "spi-VLV1776:01"
#define ACP5X_CS35L41_DAI_NAME "cs35l41-pcm"
#define ACP5X_MAX98388_COMP_LNAME "i2c-ADS8388:00"
#define ACP5X_MAX98388_COMP_RNAME "i2c-ADS8388:01"
#define ACP5X_MAX98388_DAI_NAME "max98388-aif1"
static struct snd_soc_jack vg_headset;
SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("acp5x_i2s_dma.0")));
SND_SOC_DAILINK_DEF(acp5x_i2s, DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.0")));
SND_SOC_DAILINK_DEF(acp5x_bt, DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.1")));
SND_SOC_DAILINK_DEF(nau8821, DAILINK_COMP_ARRAY(COMP_CODEC(ACP5X_NAU8821_COMP_NAME,
ACP5X_NAU8821_DAI_NAME)));
static struct snd_soc_jack_pin acp5x_nau8821_jack_pins[] = {
{
.pin = "Headphone",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
static const struct snd_kcontrol_new acp5x_8821_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Int Mic"),
};
static int platform_clock_control(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct snd_soc_dai *dai;
int ret = 0;
dai = snd_soc_card_get_codec_dai(card, ACP5X_NAU8821_DAI_NAME);
if (!dai) {
dev_err(card->dev, "Codec dai not found\n");
return -EIO;
}
if (SND_SOC_DAPM_EVENT_OFF(event)) {
ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(card->dev, "set sysclk err = %d\n", ret);
return -EIO;
}
} else {
ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN);
if (ret < 0)
dev_err(dai->dev, "can't set BLK clock %d\n", ret);
ret = snd_soc_dai_set_pll(dai, 0, 0, ACP5X_NAU8821_BCLK, ACP5X_NAU8821_FREQ_OUT);
if (ret < 0)
dev_err(dai->dev, "can't set FLL: %d\n", ret);
}
return ret;
}
static int acp5x_8821_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
int ret;
/*
* Headset buttons map to the google Reference headset.
* These can be configured by userspace.
*/
ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_BTN_0,
&vg_headset, acp5x_nau8821_jack_pins,
ARRAY_SIZE(acp5x_nau8821_jack_pins));
if (ret) {
dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
return ret;
}
snd_jack_set_key(vg_headset.jack, SND_JACK_BTN_0, KEY_MEDIA);
nau8821_enable_jack_detect(component, &vg_headset);
return ret;
}
static const unsigned int rates[] = {
48000,
};
static const struct snd_pcm_hw_constraint_list constraints_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0,
};
static const unsigned int channels[] = {
2,
};
static const struct snd_pcm_hw_constraint_list constraints_channels = {
.count = ARRAY_SIZE(channels),
.list = channels,
.mask = 0,
};
static const unsigned int acp5x_nau8821_format[] = {32};
static struct snd_pcm_hw_constraint_list constraints_sample_bits = {
.list = acp5x_nau8821_format,
.count = ARRAY_SIZE(acp5x_nau8821_format),
};
static int acp5x_8821_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card);
machine->play_i2s_instance = I2S_SP_INSTANCE;
machine->cap_i2s_instance = I2S_SP_INSTANCE;
runtime->hw.channels_max = DUAL_CHANNEL;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_channels);
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_rates);
snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
&constraints_sample_bits);
return 0;
}
static int acp5x_nau8821_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
struct snd_soc_dai *dai = snd_soc_card_get_codec_dai(card, ACP5X_NAU8821_DAI_NAME);
int ret, bclk;
if (!dai)
return -EINVAL;
ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN);
if (ret < 0)
dev_err(card->dev, "can't set FS clock %d\n", ret);
bclk = snd_soc_params_to_bclk(params);
if (bclk < 0) {
dev_err(dai->dev, "Fail to get BCLK rate: %d\n", bclk);
return bclk;
}
ret = snd_soc_dai_set_pll(dai, 0, 0, bclk, params_rate(params) * 256);
if (ret < 0)
dev_err(card->dev, "can't set FLL: %d\n", ret);
return ret;
}
static const struct snd_soc_ops acp5x_8821_ops = {
.startup = acp5x_8821_startup,
.hw_params = acp5x_nau8821_hw_params,
};
static int acp5x_cs35l41_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card);
struct snd_pcm_runtime *runtime = substream->runtime;
machine->play_i2s_instance = I2S_HS_INSTANCE;
runtime->hw.channels_max = DUAL_CHANNEL;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_channels);
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_rates);
return 0;
}
static int acp5x_cs35l41_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
unsigned int bclk, rate = params_rate(params);
struct snd_soc_component *comp;
int ret, i;
switch (rate) {
case 48000:
bclk = 1536000;
break;
default:
bclk = 0;
break;
}
for_each_rtd_components(rtd, i, comp) {
if (!(strcmp(comp->name, ACP5X_CS35L41_COMP_LNAME)) ||
!(strcmp(comp->name, ACP5X_CS35L41_COMP_RNAME))) {
if (!bclk) {
dev_err(comp->dev, "Invalid sample rate: 0x%x\n", rate);
return -EINVAL;
}
ret = snd_soc_component_set_sysclk(comp, 0, 0, bclk, SND_SOC_CLOCK_IN);
if (ret) {
dev_err(comp->dev, "failed to set SYSCLK: %d\n", ret);
return ret;
}
}
}
return 0;
}
static const struct snd_soc_ops acp5x_cs35l41_play_ops = {
.startup = acp5x_cs35l41_startup,
.hw_params = acp5x_cs35l41_hw_params,
};
static struct snd_soc_codec_conf acp5x_cs35l41_conf[] = {
{
.dlc = COMP_CODEC_CONF(ACP5X_CS35L41_COMP_LNAME),
.name_prefix = "Left",
},
{
.dlc = COMP_CODEC_CONF(ACP5X_CS35L41_COMP_RNAME),
.name_prefix = "Right",
},
};
SND_SOC_DAILINK_DEF(cs35l41, DAILINK_COMP_ARRAY(COMP_CODEC(ACP5X_CS35L41_COMP_LNAME,
ACP5X_CS35L41_DAI_NAME),
COMP_CODEC(ACP5X_CS35L41_COMP_RNAME,
ACP5X_CS35L41_DAI_NAME)));
static struct snd_soc_dai_link acp5x_8821_35l41_dai[] = {
{
.name = "acp5x-8821-play",
.stream_name = "Playback/Capture",
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC,
.dpcm_playback = 1,
.dpcm_capture = 1,
.ops = &acp5x_8821_ops,
.init = acp5x_8821_init,
SND_SOC_DAILINK_REG(acp5x_i2s, nau8821, platform),
},
{
.name = "acp5x-CS35L41-Stereo",
.stream_name = "CS35L41 Stereo Playback",
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC,
.dpcm_playback = 1,
.playback_only = 1,
.ops = &acp5x_cs35l41_play_ops,
SND_SOC_DAILINK_REG(acp5x_bt, cs35l41, platform),
},
};
static const struct snd_soc_dapm_widget acp5x_8821_35l41_widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Int Mic", NULL),
SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
platform_clock_control,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_route acp5x_8821_35l41_audio_route[] = {
/* HP jack connectors - unknown if we have jack detection */
{ "Headphone", NULL, "HPOL" },
{ "Headphone", NULL, "HPOR" },
{ "MICL", NULL, "Headset Mic" },
{ "MICR", NULL, "Headset Mic" },
{ "DMIC", NULL, "Int Mic" },
{ "Headphone", NULL, "Platform Clock" },
{ "Headset Mic", NULL, "Platform Clock" },
{ "Int Mic", NULL, "Platform Clock" },
};
static struct snd_soc_card acp5x_8821_35l41_card = {
.name = "acp5x",
.owner = THIS_MODULE,
.dai_link = acp5x_8821_35l41_dai,
.num_links = ARRAY_SIZE(acp5x_8821_35l41_dai),
.dapm_widgets = acp5x_8821_35l41_widgets,
.num_dapm_widgets = ARRAY_SIZE(acp5x_8821_35l41_widgets),
.dapm_routes = acp5x_8821_35l41_audio_route,
.num_dapm_routes = ARRAY_SIZE(acp5x_8821_35l41_audio_route),
.codec_conf = acp5x_cs35l41_conf,
.num_configs = ARRAY_SIZE(acp5x_cs35l41_conf),
.controls = acp5x_8821_controls,
.num_controls = ARRAY_SIZE(acp5x_8821_controls),
};
static int acp5x_max98388_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card);
struct snd_pcm_runtime *runtime = substream->runtime;
machine->play_i2s_instance = I2S_HS_INSTANCE;
runtime->hw.channels_max = DUAL_CHANNEL;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_channels);
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_rates);
return 0;
}
static const struct snd_soc_ops acp5x_max98388_play_ops = {
.startup = acp5x_max98388_startup,
};
static struct snd_soc_codec_conf acp5x_max98388_conf[] = {
{
.dlc = COMP_CODEC_CONF(ACP5X_MAX98388_COMP_LNAME),
.name_prefix = "Left",
},
{
.dlc = COMP_CODEC_CONF(ACP5X_MAX98388_COMP_RNAME),
.name_prefix = "Right",
},
};
SND_SOC_DAILINK_DEF(max98388, DAILINK_COMP_ARRAY(COMP_CODEC(ACP5X_MAX98388_COMP_LNAME,
ACP5X_MAX98388_DAI_NAME),
COMP_CODEC(ACP5X_MAX98388_COMP_RNAME,
ACP5X_MAX98388_DAI_NAME)));
static struct snd_soc_dai_link acp5x_8821_98388_dai[] = {
{
.name = "acp5x-8821-play",
.stream_name = "Playback/Capture",
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC,
.dpcm_playback = 1,
.dpcm_capture = 1,
.ops = &acp5x_8821_ops,
.init = acp5x_8821_init,
SND_SOC_DAILINK_REG(acp5x_i2s, nau8821, platform),
},
{
.name = "acp5x-max98388-play",
.stream_name = "MAX98388 Playback",
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC,
.dpcm_playback = 1,
.playback_only = 1,
.ops = &acp5x_max98388_play_ops,
SND_SOC_DAILINK_REG(acp5x_bt, max98388, platform),
},
};
static const struct snd_soc_dapm_widget acp5x_8821_98388_widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Int Mic", NULL),
SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
platform_clock_control,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SPK("SPK", NULL),
};
static const struct snd_soc_dapm_route acp5x_8821_98388_route[] = {
{ "Headphone", NULL, "HPOL" },
{ "Headphone", NULL, "HPOR" },
{ "MICL", NULL, "Headset Mic" },
{ "MICR", NULL, "Headset Mic" },
{ "DMIC", NULL, "Int Mic" },
{ "Headphone", NULL, "Platform Clock" },
{ "Headset Mic", NULL, "Platform Clock" },
{ "Int Mic", NULL, "Platform Clock" },
{ "SPK", NULL, "Left BE_OUT" },
{ "SPK", NULL, "Right BE_OUT" },
};
static struct snd_soc_card acp5x_8821_98388_card = {
.name = "acp5x-max98388",
.owner = THIS_MODULE,
.dai_link = acp5x_8821_98388_dai,
.num_links = ARRAY_SIZE(acp5x_8821_98388_dai),
.dapm_widgets = acp5x_8821_98388_widgets,
.num_dapm_widgets = ARRAY_SIZE(acp5x_8821_98388_widgets),
.dapm_routes = acp5x_8821_98388_route,
.num_dapm_routes = ARRAY_SIZE(acp5x_8821_98388_route),
.codec_conf = acp5x_max98388_conf,
.num_configs = ARRAY_SIZE(acp5x_max98388_conf),
.controls = acp5x_8821_controls,
.num_controls = ARRAY_SIZE(acp5x_8821_controls),
};
static const struct dmi_system_id acp5x_vg_quirk_table[] = {
{
.matches = {
DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"),
},
.driver_data = (void *)&acp5x_8821_35l41_card,
},
{
.matches = {
DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Galileo"),
},
.driver_data = (void *)&acp5x_8821_98388_card,
},
{}
};
static int acp5x_probe(struct platform_device *pdev)
{
const struct dmi_system_id *dmi_id;
struct acp5x_platform_info *machine;
struct device *dev = &pdev->dev;
struct snd_soc_card *card;
int ret;
dmi_id = dmi_first_match(acp5x_vg_quirk_table);
if (!dmi_id || !dmi_id->driver_data)
return -ENODEV;
machine = devm_kzalloc(dev, sizeof(*machine), GFP_KERNEL);
if (!machine)
return -ENOMEM;
card = dmi_id->driver_data;
card->dev = dev;
platform_set_drvdata(pdev, card);
snd_soc_card_set_drvdata(card, machine);
ret = devm_snd_soc_register_card(dev, card);
if (ret)
return dev_err_probe(dev, ret, "Register card (%s) failed\n", card->name);
return 0;
}
static struct platform_driver acp5x_mach_driver = {
.driver = {
.name = DRV_NAME,
.pm = &snd_soc_pm_ops,
},
.probe = acp5x_probe,
};
module_platform_driver(acp5x_mach_driver);
MODULE_AUTHOR("[email protected]");
MODULE_DESCRIPTION("NAU8821/CS35L41 & NAU8821/MAX98388 audio support");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRV_NAME);
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