// SPDX-License-Identifier: GPL-2.0-only
/*
* Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219
*
* Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "rockchip_i2s.h"
#include "../codecs/da7219.h"
#include "../codecs/rt5514.h"
#define DRV_NAME "rk3399-gru-sound"
#define SOUND_FS 256
static unsigned int dmic_wakeup_delay;
static struct snd_soc_jack rockchip_sound_jack;
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin rockchip_sound_jack_pins[] = {
{
.pin = "Headphones",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Line Out",
.mask = SND_JACK_LINEOUT,
},
};
static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphones", NULL),
SND_SOC_DAPM_SPK("Speakers", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_LINE("Line Out", NULL),
SND_SOC_DAPM_MIC("Int Mic", NULL),
SND_SOC_DAPM_LINE("HDMI", NULL),
};
static const struct snd_kcontrol_new rockchip_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphones"),
SOC_DAPM_PIN_SWITCH("Speakers"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Line Out"),
SOC_DAPM_PIN_SWITCH("Int Mic"),
SOC_DAPM_PIN_SWITCH("HDMI"),
};
static int rockchip_sound_max98357a_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 mclk;
int ret;
mclk = params_rate(params) * SOUND_FS;
ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), 0, mclk, 0);
if (ret) {
dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
__func__, mclk, ret);
return ret;
}
return 0;
}
static int rockchip_sound_rt5514_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_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
unsigned int mclk;
int ret;
mclk = params_rate(params) * SOUND_FS;
ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
SND_SOC_CLOCK_OUT);
if (ret < 0) {
dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK,
mclk, SND_SOC_CLOCK_IN);
if (ret) {
dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
__func__, params_rate(params) * 512, ret);
return ret;
}
/* Wait for DMIC stable */
msleep(dmic_wakeup_delay);
return 0;
}
static int rockchip_sound_da7219_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_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
int mclk, ret;
/* in bypass mode, the mclk has to be one of the frequencies below */
switch (params_rate(params)) {
case 8000:
case 16000:
case 24000:
case 32000:
case 48000:
case 64000:
case 96000:
mclk = 12288000;
break;
case 11025:
case 22050:
case 44100:
case 88200:
mclk = 11289600;
break;
default:
return -EINVAL;
}
ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
SND_SOC_CLOCK_OUT);
if (ret < 0) {
dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
if (ret < 0) {
dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret);
return ret;
}
return 0;
}
static struct snd_soc_jack cdn_dp_card_jack;
static int rockchip_sound_cdndp_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
struct snd_soc_card *card = rtd->card;
int ret;
/* Enable jack detection. */
ret = snd_soc_card_jack_new(card, "DP Jack", SND_JACK_LINEOUT,
&cdn_dp_card_jack);
if (ret) {
dev_err(card->dev, "Can't create DP Jack %d\n", ret);
return ret;
}
return snd_soc_component_set_jack(component, &cdn_dp_card_jack, NULL);
}
static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
int ret;
/* We need default MCLK and PLL settings for the accessory detection */
ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000,
SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(codec_dai->dev, "Init can't set codec clock in %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
if (ret < 0) {
dev_err(codec_dai->dev, "Init can't set pll sysclk mclk %d\n", ret);
return ret;
}
/* Enable Headset and 4 Buttons Jack detection */
ret = snd_soc_card_jack_new_pins(rtd->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,
&rockchip_sound_jack,
rockchip_sound_jack_pins,
ARRAY_SIZE(rockchip_sound_jack_pins));
if (ret) {
dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret);
return ret;
}
snd_jack_set_key(
rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
snd_jack_set_key(
rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
snd_jack_set_key(
rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
snd_jack_set_key(
rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
snd_soc_component_set_jack(component, &rockchip_sound_jack, NULL);
return 0;
}
static int rockchip_sound_dmic_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 mclk;
int ret;
mclk = params_rate(params) * SOUND_FS;
ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), 0, mclk, 0);
if (ret) {
dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
__func__, mclk, ret);
return ret;
}
/* Wait for DMIC stable */
msleep(dmic_wakeup_delay);
return 0;
}
static int rockchip_sound_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
return snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE,
8000, 96000);
}
static const struct snd_soc_ops rockchip_sound_max98357a_ops = {
.startup = rockchip_sound_startup,
.hw_params = rockchip_sound_max98357a_hw_params,
};
static const struct snd_soc_ops rockchip_sound_rt5514_ops = {
.startup = rockchip_sound_startup,
.hw_params = rockchip_sound_rt5514_hw_params,
};
static const struct snd_soc_ops rockchip_sound_da7219_ops = {
.startup = rockchip_sound_startup,
.hw_params = rockchip_sound_da7219_hw_params,
};
static const struct snd_soc_ops rockchip_sound_dmic_ops = {
.startup = rockchip_sound_startup,
.hw_params = rockchip_sound_dmic_hw_params,
};
static struct snd_soc_card rockchip_sound_card = {
.name = "rk3399-gru-sound",
.owner = THIS_MODULE,
.dapm_widgets = rockchip_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
.controls = rockchip_controls,
.num_controls = ARRAY_SIZE(rockchip_controls),
};
enum {
DAILINK_CDNDP,
DAILINK_DA7219,
DAILINK_DMIC,
DAILINK_MAX98357A,
DAILINK_RT5514,
DAILINK_RT5514_DSP,
};
SND_SOC_DAILINK_DEFS(cdndp,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "spdif-hifi")),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
SND_SOC_DAILINK_DEFS(da7219,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "da7219-hifi")),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
SND_SOC_DAILINK_DEFS(dmic,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dmic-hifi")),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
SND_SOC_DAILINK_DEFS(max98357a,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
SND_SOC_DAILINK_DEFS(rt5514,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5514-aif1")),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
SND_SOC_DAILINK_DEFS(rt5514_dsp,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_DUMMY()),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
static const struct snd_soc_dai_link rockchip_dais[] = {
[DAILINK_CDNDP] = {
.name = "DP",
.stream_name = "DP PCM",
.init = rockchip_sound_cdndp_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
SND_SOC_DAILINK_REG(cdndp),
},
[DAILINK_DA7219] = {
.name = "DA7219",
.stream_name = "DA7219 PCM",
.init = rockchip_sound_da7219_init,
.ops = &rockchip_sound_da7219_ops,
/* set da7219 as slave */
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
SND_SOC_DAILINK_REG(da7219),
},
[DAILINK_DMIC] = {
.name = "DMIC",
.stream_name = "DMIC PCM",
.ops = &rockchip_sound_dmic_ops,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
SND_SOC_DAILINK_REG(dmic),
},
[DAILINK_MAX98357A] = {
.name = "MAX98357A",
.stream_name = "MAX98357A PCM",
.ops = &rockchip_sound_max98357a_ops,
/* set max98357a as slave */
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
SND_SOC_DAILINK_REG(max98357a),
},
[DAILINK_RT5514] = {
.name = "RT5514",
.stream_name = "RT5514 PCM",
.ops = &rockchip_sound_rt5514_ops,
/* set rt5514 as slave */
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
SND_SOC_DAILINK_REG(rt5514),
},
/* RT5514 DSP for voice wakeup via spi bus */
[DAILINK_RT5514_DSP] = {
.name = "RT5514 DSP",
.stream_name = "Wake on Voice",
SND_SOC_DAILINK_REG(rt5514_dsp),
},
};
static const struct snd_soc_dapm_route rockchip_sound_cdndp_routes[] = {
/* Output */
{"HDMI", NULL, "TX"},
};
static const struct snd_soc_dapm_route rockchip_sound_da7219_routes[] = {
/* Output */
{"Headphones", NULL, "HPL"},
{"Headphones", NULL, "HPR"},
/* Input */
{"MIC", NULL, "Headset Mic"},
};
static const struct snd_soc_dapm_route rockchip_sound_dmic_routes[] = {
/* Input */
{"DMic", NULL, "Int Mic"},
};
static const struct snd_soc_dapm_route rockchip_sound_max98357a_routes[] = {
/* Output */
{"Speakers", NULL, "Speaker"},
};
static const struct snd_soc_dapm_route rockchip_sound_rt5514_routes[] = {
/* Input */
{"DMIC1L", NULL, "Int Mic"},
{"DMIC1R", NULL, "Int Mic"},
};
struct rockchip_sound_route {
const struct snd_soc_dapm_route *routes;
int num_routes;
};
static const struct rockchip_sound_route rockchip_routes[] = {
[DAILINK_CDNDP] = {
.routes = rockchip_sound_cdndp_routes,
.num_routes = ARRAY_SIZE(rockchip_sound_cdndp_routes),
},
[DAILINK_DA7219] = {
.routes = rockchip_sound_da7219_routes,
.num_routes = ARRAY_SIZE(rockchip_sound_da7219_routes),
},
[DAILINK_DMIC] = {
.routes = rockchip_sound_dmic_routes,
.num_routes = ARRAY_SIZE(rockchip_sound_dmic_routes),
},
[DAILINK_MAX98357A] = {
.routes = rockchip_sound_max98357a_routes,
.num_routes = ARRAY_SIZE(rockchip_sound_max98357a_routes),
},
[DAILINK_RT5514] = {
.routes = rockchip_sound_rt5514_routes,
.num_routes = ARRAY_SIZE(rockchip_sound_rt5514_routes),
},
[DAILINK_RT5514_DSP] = {},
};
struct dailink_match_data {
const char *compatible;
const struct bus_type *bus_type;
};
static const struct dailink_match_data dailink_match[] = {
[DAILINK_CDNDP] = {
.compatible = "rockchip,rk3399-cdn-dp",
},
[DAILINK_DA7219] = {
.compatible = "dlg,da7219",
},
[DAILINK_DMIC] = {
.compatible = "dmic-codec",
},
[DAILINK_MAX98357A] = {
.compatible = "maxim,max98357a",
},
[DAILINK_RT5514] = {
.compatible = "realtek,rt5514",
.bus_type = &i2c_bus_type,
},
[DAILINK_RT5514_DSP] = {
.compatible = "realtek,rt5514",
.bus_type = &spi_bus_type,
},
};
static int rockchip_sound_codec_node_match(struct device_node *np_codec)
{
struct device *dev;
int i;
for (i = 0; i < ARRAY_SIZE(dailink_match); i++) {
if (!of_device_is_compatible(np_codec,
dailink_match[i].compatible))
continue;
if (dailink_match[i].bus_type) {
dev = bus_find_device_by_of_node(dailink_match[i].bus_type,
np_codec);
if (!dev)
continue;
put_device(dev);
}
return i;
}
return -1;
}
static int rockchip_sound_of_parse_dais(struct device *dev,
struct snd_soc_card *card)
{
struct device_node *np_cpu, *np_cpu0, *np_cpu1;
struct device_node *np_codec;
struct snd_soc_dai_link *dai;
struct snd_soc_dapm_route *routes;
int i, index;
int num_routes;
card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais),
GFP_KERNEL);
if (!card->dai_link)
return -ENOMEM;
num_routes = 0;
for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++)
num_routes += rockchip_routes[i].num_routes;
routes = devm_kcalloc(dev, num_routes, sizeof(*routes),
GFP_KERNEL);
if (!routes)
return -ENOMEM;
card->dapm_routes = routes;
np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0);
np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1);
card->num_dapm_routes = 0;
card->num_links = 0;
for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) {
np_codec = of_parse_phandle(dev->of_node,
"rockchip,codec", i);
if (!np_codec)
break;
if (!of_device_is_available(np_codec))
continue;
index = rockchip_sound_codec_node_match(np_codec);
if (index < 0)
continue;
switch (index) {
case DAILINK_CDNDP:
np_cpu = np_cpu1;
break;
case DAILINK_RT5514_DSP:
np_cpu = np_codec;
break;
default:
np_cpu = np_cpu0;
break;
}
if (!np_cpu) {
dev_err(dev, "Missing 'rockchip,cpu' for %s\n",
rockchip_dais[index].name);
return -EINVAL;
}
dai = &card->dai_link[card->num_links++];
*dai = rockchip_dais[index];
if (!dai->codecs->name)
dai->codecs->of_node = np_codec;
dai->platforms->of_node = np_cpu;
dai->cpus->of_node = np_cpu;
if (card->num_dapm_routes + rockchip_routes[index].num_routes >
num_routes) {
dev_err(dev, "Too many routes\n");
return -EINVAL;
}
memcpy(routes + card->num_dapm_routes,
rockchip_routes[index].routes,
rockchip_routes[index].num_routes * sizeof(*routes));
card->num_dapm_routes += rockchip_routes[index].num_routes;
}
return 0;
}
static int rockchip_sound_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &rockchip_sound_card;
int ret;
ret = rockchip_sound_of_parse_dais(&pdev->dev, card);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret);
return ret;
}
/* Set DMIC wakeup delay */
ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms",
&dmic_wakeup_delay);
if (ret) {
dmic_wakeup_delay = 0;
dev_dbg(&pdev->dev,
"no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n");
}
card->dev = &pdev->dev;
return devm_snd_soc_register_card(&pdev->dev, card);
}
static const struct of_device_id rockchip_sound_of_match[] = {
{ .compatible = "rockchip,rk3399-gru-sound", },
{},
};
static struct platform_driver rockchip_sound_driver = {
.probe = rockchip_sound_probe,
.driver = {
.name = DRV_NAME,
.of_match_table = rockchip_sound_of_match,
#ifdef CONFIG_PM
.pm = &snd_soc_pm_ops,
#endif
},
};
module_platform_driver(rockchip_sound_driver);
MODULE_AUTHOR("Xing Zheng <[email protected]>");
MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRV_NAME);
MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);
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