/*
* Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec
*
* Copyright 2017 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <sound/core.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/driver.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/acpi.h>
#include "acp.h"
#include "../codecs/da7219.h"
#include "../codecs/da7219-aad.h"
#define CZ_PLAT_CLK 48000000
#define DUAL_CHANNEL 2
static struct snd_soc_jack cz_jack;
static struct clk *da7219_dai_wclk;
static struct clk *da7219_dai_bclk;
extern bool bt_uart_enable;
static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
{
int ret;
struct snd_soc_card *card = rtd->card;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_component *component = codec_dai->component;
dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK,
CZ_PLAT_CLK, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL,
CZ_PLAT_CLK, DA7219_PLL_FREQ_OUT_98304);
if (ret < 0) {
dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
return ret;
}
da7219_dai_wclk = clk_get(component->dev, "da7219-dai-wclk");
da7219_dai_bclk = clk_get(component->dev, "da7219-dai-bclk");
ret = snd_soc_card_jack_new(card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_LINEOUT |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3,
&cz_jack, NULL, 0);
if (ret) {
dev_err(card->dev, "HP jack creation failed %d\n", ret);
return ret;
}
snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
da7219_aad_jack_det(component, &cz_jack);
return 0;
}
static int da7219_clk_enable(struct snd_pcm_substream *substream,
int wclk_rate, int bclk_rate)
{
int ret = 0;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
clk_set_rate(da7219_dai_wclk, wclk_rate);
clk_set_rate(da7219_dai_bclk, bclk_rate);
ret = clk_prepare_enable(da7219_dai_bclk);
if (ret < 0) {
dev_err(rtd->dev, "can't enable master clock %d\n", ret);
return ret;
}
return ret;
}
static void da7219_clk_disable(void)
{
clk_disable_unprepare(da7219_dai_bclk);
}
static const unsigned int channels[] = {
DUAL_CHANNEL,
};
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 struct snd_pcm_hw_constraint_list constraints_channels = {
.count = ARRAY_SIZE(channels),
.list = channels,
.mask = 0,
};
static int cz_da7219_play_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
/*
* On this platform for PCM device we support stereo
*/
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);
machine->play_i2s_instance = I2S_SP_INSTANCE;
return 0;
}
static int cz_da7219_cap_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
/*
* On this platform for PCM device we support stereo
*/
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);
machine->cap_i2s_instance = I2S_SP_INSTANCE;
machine->capture_channel = CAP_CHANNEL1;
return 0;
}
static int cz_max_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
/*
* On this platform for PCM device we support stereo
*/
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);
machine->play_i2s_instance = I2S_BT_INSTANCE;
return 0;
}
static int cz_dmic0_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
/*
* On this platform for PCM device we support stereo
*/
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);
machine->cap_i2s_instance = I2S_BT_INSTANCE;
return 0;
}
static int cz_dmic1_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
/*
* On this platform for PCM device we support stereo
*/
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);
machine->cap_i2s_instance = I2S_SP_INSTANCE;
machine->capture_channel = CAP_CHANNEL0;
return 0;
}
static int cz_da7219_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
int wclk, bclk;
wclk = params_rate(params);
bclk = wclk * params_channels(params) *
snd_pcm_format_width(params_format(params));
/* ADAU7002 spec: "The ADAU7002 requires a BCLK rate
* that is minimum of 64x the LRCLK sample rate."
* DA7219 is the only clk source so for all codecs
* we have to limit bclk to 64X lrclk.
*/
if (bclk < (wclk * 64))
bclk = wclk * 64;
return da7219_clk_enable(substream, wclk, bclk);
}
static void cz_da7219_shutdown(struct snd_pcm_substream *substream)
{
da7219_clk_disable();
}
static const struct snd_soc_ops cz_da7219_play_ops = {
.startup = cz_da7219_play_startup,
.shutdown = cz_da7219_shutdown,
.hw_params = cz_da7219_params,
};
static const struct snd_soc_ops cz_da7219_cap_ops = {
.startup = cz_da7219_cap_startup,
.shutdown = cz_da7219_shutdown,
.hw_params = cz_da7219_params,
};
static const struct snd_soc_ops cz_max_play_ops = {
.startup = cz_max_startup,
.shutdown = cz_da7219_shutdown,
.hw_params = cz_da7219_params,
};
static const struct snd_soc_ops cz_dmic0_cap_ops = {
.startup = cz_dmic0_startup,
.shutdown = cz_da7219_shutdown,
.hw_params = cz_da7219_params,
};
static const struct snd_soc_ops cz_dmic1_cap_ops = {
.startup = cz_dmic1_startup,
.shutdown = cz_da7219_shutdown,
.hw_params = cz_da7219_params,
};
SND_SOC_DAILINK_DEF(designware1,
DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto")));
SND_SOC_DAILINK_DEF(designware2,
DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
SND_SOC_DAILINK_DEF(designware3,
DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.3.auto")));
SND_SOC_DAILINK_DEF(dlgs,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", "da7219-hifi")));
SND_SOC_DAILINK_DEF(mx,
DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
SND_SOC_DAILINK_DEF(adau,
DAILINK_COMP_ARRAY(COMP_CODEC("ADAU7002:00", "adau7002-hifi")));
SND_SOC_DAILINK_DEF(platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto")));
static struct snd_soc_dai_link cz_dai_7219_98357[] = {
{
.name = "amd-da7219-play",
.stream_name = "Playback",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.init = cz_da7219_init,
.dpcm_playback = 1,
.ops = &cz_da7219_play_ops,
SND_SOC_DAILINK_REG(designware1, dlgs, platform),
},
{
.name = "amd-da7219-cap",
.stream_name = "Capture",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_capture = 1,
.ops = &cz_da7219_cap_ops,
SND_SOC_DAILINK_REG(designware2, dlgs, platform),
},
{
.name = "amd-max98357-play",
.stream_name = "HiFi Playback",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_playback = 1,
.ops = &cz_max_play_ops,
SND_SOC_DAILINK_REG(designware3, mx, platform),
},
{
/* C panel DMIC */
.name = "dmic0",
.stream_name = "DMIC0 Capture",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_capture = 1,
.ops = &cz_dmic0_cap_ops,
SND_SOC_DAILINK_REG(designware3, adau, platform),
},
{
/* A/B panel DMIC */
.name = "dmic1",
.stream_name = "DMIC1 Capture",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_capture = 1,
.ops = &cz_dmic1_cap_ops,
SND_SOC_DAILINK_REG(designware2, adau, platform),
},
};
static const struct snd_soc_dapm_widget cz_widgets[] = {
SND_SOC_DAPM_HP("Headphones", NULL),
SND_SOC_DAPM_SPK("Speakers", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Int Mic", NULL),
};
static const struct snd_soc_dapm_route cz_audio_route[] = {
{"Headphones", NULL, "HPL"},
{"Headphones", NULL, "HPR"},
{"MIC", NULL, "Headset Mic"},
{"Speakers", NULL, "Speaker"},
{"PDM_DAT", NULL, "Int Mic"},
};
static const struct snd_kcontrol_new cz_mc_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphones"),
SOC_DAPM_PIN_SWITCH("Speakers"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Int Mic"),
};
static struct snd_soc_card cz_card = {
.name = "acpd7219m98357",
.owner = THIS_MODULE,
.dai_link = cz_dai_7219_98357,
.num_links = ARRAY_SIZE(cz_dai_7219_98357),
.dapm_widgets = cz_widgets,
.num_dapm_widgets = ARRAY_SIZE(cz_widgets),
.dapm_routes = cz_audio_route,
.num_dapm_routes = ARRAY_SIZE(cz_audio_route),
.controls = cz_mc_controls,
.num_controls = ARRAY_SIZE(cz_mc_controls),
};
static struct regulator_consumer_supply acp_da7219_supplies[] = {
REGULATOR_SUPPLY("VDD", "i2c-DLGS7219:00"),
REGULATOR_SUPPLY("VDDMIC", "i2c-DLGS7219:00"),
REGULATOR_SUPPLY("VDDIO", "i2c-DLGS7219:00"),
REGULATOR_SUPPLY("IOVDD", "ADAU7002:00"),
};
static struct regulator_init_data acp_da7219_data = {
.constraints = {
.always_on = 1,
},
.num_consumer_supplies = ARRAY_SIZE(acp_da7219_supplies),
.consumer_supplies = acp_da7219_supplies,
};
static struct regulator_config acp_da7219_cfg = {
.init_data = &acp_da7219_data,
};
static struct regulator_ops acp_da7219_ops = {
};
static const struct regulator_desc acp_da7219_desc = {
.name = "reg-fixed-1.8V",
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
.ops = &acp_da7219_ops,
.fixed_uV = 1800000, /* 1.8V */
.n_voltages = 1,
};
static int cz_probe(struct platform_device *pdev)
{
int ret;
struct snd_soc_card *card;
struct acp_platform_info *machine;
struct regulator_dev *rdev;
acp_da7219_cfg.dev = &pdev->dev;
rdev = devm_regulator_register(&pdev->dev, &acp_da7219_desc,
&acp_da7219_cfg);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "Failed to register regulator: %d\n",
(int)PTR_ERR(rdev));
return -EINVAL;
}
machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info),
GFP_KERNEL);
if (!machine)
return -ENOMEM;
card = &cz_card;
cz_card.dev = &pdev->dev;
platform_set_drvdata(pdev, card);
snd_soc_card_set_drvdata(card, machine);
ret = devm_snd_soc_register_card(&pdev->dev, &cz_card);
if (ret) {
dev_err(&pdev->dev,
"devm_snd_soc_register_card(%s) failed: %d\n",
cz_card.name, ret);
return ret;
}
bt_uart_enable = !device_property_read_bool(&pdev->dev,
"bt-pad-enable");
return 0;
}
static const struct acpi_device_id cz_audio_acpi_match[] = {
{ "AMD7219", 0 },
{},
};
MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
static struct platform_driver cz_pcm_driver = {
.driver = {
.name = "cz-da7219-max98357a",
.acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
.pm = &snd_soc_pm_ops,
},
.probe = cz_probe,
};
module_platform_driver(cz_pcm_driver);
MODULE_AUTHOR("akshu.agrawal@amd.com");
MODULE_DESCRIPTION("DA7219 & MAX98357A audio support");
MODULE_LICENSE("GPL v2");
