linux_dsm_epyc7002/sound/soc/amd/acp-da7219-max98357a.c
Adam Thomson 883149027a
ASoC: AMD: Update DA7219 DAI clock name to align with codec updates
As the DAI clocks for DA7219 have now been split into BCLK and WCLK,
the clock lookup name needs to be udpated here to select BCLK to
achieve the same functionality as before with regards to DAI clock
gating.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-03-21 14:50:30 +00:00

471 lines
13 KiB
C

/*
* 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_clk;
extern int 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_clk = 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 ret = 0;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
ret = clk_prepare_enable(da7219_dai_clk);
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_clk);
}
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 da7219_clk_enable(substream);
}
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 da7219_clk_enable(substream);
}
static void cz_da7219_shutdown(struct snd_pcm_substream *substream)
{
da7219_clk_disable();
}
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 da7219_clk_enable(substream);
}
static void cz_max_shutdown(struct snd_pcm_substream *substream)
{
da7219_clk_disable();
}
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 da7219_clk_enable(substream);
}
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 da7219_clk_enable(substream);
}
static void cz_dmic_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,
};
static const struct snd_soc_ops cz_da7219_cap_ops = {
.startup = cz_da7219_cap_startup,
.shutdown = cz_da7219_shutdown,
};
static const struct snd_soc_ops cz_max_play_ops = {
.startup = cz_max_startup,
.shutdown = cz_max_shutdown,
};
static const struct snd_soc_ops cz_dmic0_cap_ops = {
.startup = cz_dmic0_startup,
.shutdown = cz_dmic_shutdown,
};
static const struct snd_soc_ops cz_dmic1_cap_ops = {
.startup = cz_dmic1_startup,
.shutdown = cz_dmic_shutdown,
};
static struct snd_soc_dai_link cz_dai_7219_98357[] = {
{
.name = "amd-da7219-play",
.stream_name = "Playback",
.platform_name = "acp_audio_dma.0.auto",
.cpu_dai_name = "designware-i2s.1.auto",
.codec_dai_name = "da7219-hifi",
.codec_name = "i2c-DLGS7219:00",
.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,
},
{
.name = "amd-da7219-cap",
.stream_name = "Capture",
.platform_name = "acp_audio_dma.0.auto",
.cpu_dai_name = "designware-i2s.2.auto",
.codec_dai_name = "da7219-hifi",
.codec_name = "i2c-DLGS7219:00",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_capture = 1,
.ops = &cz_da7219_cap_ops,
},
{
.name = "amd-max98357-play",
.stream_name = "HiFi Playback",
.platform_name = "acp_audio_dma.0.auto",
.cpu_dai_name = "designware-i2s.3.auto",
.codec_dai_name = "HiFi",
.codec_name = "MX98357A:00",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_playback = 1,
.ops = &cz_max_play_ops,
},
{
/* C panel DMIC */
.name = "dmic0",
.stream_name = "DMIC0 Capture",
.platform_name = "acp_audio_dma.0.auto",
.cpu_dai_name = "designware-i2s.3.auto",
.codec_dai_name = "adau7002-hifi",
.codec_name = "ADAU7002:00",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_capture = 1,
.ops = &cz_dmic0_cap_ops,
},
{
/* A/B panel DMIC */
.name = "dmic1",
.stream_name = "DMIC1 Capture",
.platform_name = "acp_audio_dma.0.auto",
.cpu_dai_name = "designware-i2s.2.auto",
.codec_dai_name = "adau7002-hifi",
.codec_name = "ADAU7002:00",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_capture = 1,
.ops = &cz_dmic1_cap_ops,
},
};
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");