#include <dt-bindings/sound/qcom,lpass.h>
#include <dt-bindings/sound/qcom,q6afe.h>
#include <linux/input.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/rt5682s.h>
#include <linux/soundwire/sdw.h>
#include <sound/pcm_params.h>
#include "../codecs/rt5682.h"
#include "../codecs/rt5682s.h"
#include "common.h"
#include "lpass.h"
#include "qdsp6/q6afe.h"
#include "sdw.h"
#define DEFAULT_MCLK_RATE 19200000
#define RT5682_PLL_FREQ (48000 * 512)
#define MI2S_BCLK_RATE 1536000
struct sc7280_snd_data {
struct snd_soc_card card;
u32 pri_mi2s_clk_count;
struct snd_soc_jack hs_jack;
struct snd_soc_jack hdmi_jack;
bool jack_setup;
bool stream_prepared[LPASS_MAX_PORTS];
};
static void sc7280_jack_free(struct snd_jack *jack)
{
struct snd_soc_component *component = jack->private_data;
snd_soc_component_set_jack(component, NULL, NULL);
}
static struct snd_soc_jack_pin sc7280_jack_pins[] = {
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
static int sc7280_headset_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
struct sc7280_snd_data *pdata = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct snd_soc_component *component = codec_dai->component;
struct snd_jack *jack;
int rval, i;
if (!pdata->jack_setup) {
rval = snd_soc_card_jack_new_pins(card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_LINEOUT |
SND_JACK_MECHANICAL |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3 |
SND_JACK_BTN_4 | SND_JACK_BTN_5,
&pdata->hs_jack,
sc7280_jack_pins,
ARRAY_SIZE(sc7280_jack_pins));
if (rval < 0) {
dev_err(card->dev, "Unable to add Headset Jack\n");
return rval;
}
jack = pdata->hs_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);
jack->private_data = component;
jack->private_free = sc7280_jack_free;
pdata->jack_setup = true;
}
switch (cpu_dai->id) {
case MI2S_PRIMARY:
case LPASS_CDC_DMA_RX0:
case LPASS_CDC_DMA_TX3:
case TX_CODEC_DMA_TX_3:
for_each_rtd_codec_dais(rtd, i, codec_dai) {
rval = snd_soc_component_set_jack(component, &pdata->hs_jack, NULL);
if (rval != 0 && rval != -ENOTSUPP) {
dev_err(card->dev, "Failed to set jack: %d\n", rval);
return rval;
}
}
break;
default:
break;
}
return 0;
}
static int sc7280_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
struct sc7280_snd_data *pdata = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
struct snd_soc_component *component = codec_dai->component;
struct snd_jack *jack;
int rval;
rval = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT,
&pdata->hdmi_jack);
if (rval < 0) {
dev_err(card->dev, "Unable to add HDMI Jack\n");
return rval;
}
jack = pdata->hdmi_jack.jack;
jack->private_data = component;
jack->private_free = sc7280_jack_free;
return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL);
}
static int sc7280_rt5682_init(struct snd_soc_pcm_runtime *rtd)
{
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);
struct snd_soc_card *card = rtd->card;
struct sc7280_snd_data *data = snd_soc_card_get_drvdata(card);
int ret;
if (++data->pri_mi2s_clk_count == 1) {
snd_soc_dai_set_sysclk(cpu_dai,
LPASS_MCLK0,
DEFAULT_MCLK_RATE,
SNDRV_PCM_STREAM_PLAYBACK);
}
snd_soc_dai_set_fmt(codec_dai,
SND_SOC_DAIFMT_CBC_CFC |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_I2S);
ret = snd_soc_dai_set_pll(codec_dai, RT5682S_PLL2, RT5682S_PLL_S_MCLK,
DEFAULT_MCLK_RATE, RT5682_PLL_FREQ);
if (ret) {
dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_sysclk(codec_dai, RT5682S_SCLK_S_PLL2,
RT5682_PLL_FREQ,
SND_SOC_CLOCK_IN);
if (ret) {
dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n",
ret);
return ret;
}
return 0;
}
static int sc7280_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
switch (cpu_dai->id) {
case MI2S_PRIMARY:
case LPASS_CDC_DMA_TX3:
case TX_CODEC_DMA_TX_3:
return sc7280_headset_init(rtd);
case LPASS_CDC_DMA_RX0:
case LPASS_CDC_DMA_VA_TX0:
case MI2S_SECONDARY:
case RX_CODEC_DMA_RX_0:
case SECONDARY_MI2S_RX:
case VA_CODEC_DMA_TX_0:
return 0;
case LPASS_DP_RX:
return sc7280_hdmi_init(rtd);
default:
dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
}
return -EINVAL;
}
static int sc7280_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
if (!rtd->dai_link->no_pcm) {
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, 48000, 48000);
}
return 0;
}
static int sc7280_snd_swr_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
const struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct sc7280_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
return qcom_snd_sdw_prepare(substream, &data->stream_prepared[cpu_dai->id]);
}
static int sc7280_snd_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
const struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
switch (cpu_dai->id) {
case LPASS_CDC_DMA_RX0:
case LPASS_CDC_DMA_TX3:
case RX_CODEC_DMA_RX_0:
case TX_CODEC_DMA_TX_3:
case VA_CODEC_DMA_TX_0:
return sc7280_snd_swr_prepare(substream);
default:
break;
}
return 0;
}
static int sc7280_snd_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct sc7280_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
const struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
return qcom_snd_sdw_hw_free(substream, &data->stream_prepared[cpu_dai->id]);
}
static void sc7280_snd_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
struct sc7280_snd_data *data = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
switch (cpu_dai->id) {
case MI2S_PRIMARY:
if (--data->pri_mi2s_clk_count == 0) {
snd_soc_dai_set_sysclk(cpu_dai,
LPASS_MCLK0,
0,
SNDRV_PCM_STREAM_PLAYBACK);
}
break;
case SECONDARY_MI2S_RX:
snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
0, SNDRV_PCM_STREAM_PLAYBACK);
break;
default:
break;
}
qcom_snd_sdw_shutdown(substream);
}
static int sc7280_snd_startup(struct snd_pcm_substream *substream)
{
unsigned int fmt = SND_SOC_DAIFMT_CBC_CFC;
unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBC_CFC;
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 ret = 0;
switch (cpu_dai->id) {
case MI2S_PRIMARY:
ret = sc7280_rt5682_init(rtd);
if (ret)
return ret;
break;
case SECONDARY_MI2S_RX:
codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
snd_soc_dai_set_fmt(cpu_dai, fmt);
snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
break;
default:
break;
}
return qcom_snd_sdw_startup(substream);
}
static const struct snd_soc_ops sc7280_ops = {
.startup = sc7280_snd_startup,
.hw_params = sc7280_snd_hw_params,
.hw_free = sc7280_snd_hw_free,
.prepare = sc7280_snd_prepare,
.shutdown = sc7280_snd_shutdown,
};
static const struct snd_soc_dapm_widget sc7280_snd_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
};
static const struct snd_kcontrol_new sc7280_snd_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
};
static int sc7280_snd_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 = 48000;
channels->min = channels->max = 2;
snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
return 0;
}
static int sc7280_snd_platform_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
struct sc7280_snd_data *data;
struct device *dev = &pdev->dev;
struct snd_soc_dai_link *link;
int ret, i;
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
card = &data->card;
snd_soc_card_set_drvdata(card, data);
card->owner = THIS_MODULE;
card->driver_name = "SC7280";
card->dev = dev;
card->dapm_widgets = sc7280_snd_widgets;
card->num_dapm_widgets = ARRAY_SIZE(sc7280_snd_widgets);
card->controls = sc7280_snd_controls;
card->num_controls = ARRAY_SIZE(sc7280_snd_controls);
ret = qcom_snd_parse_of(card);
if (ret)
return ret;
for_each_card_prelinks(card, i, link) {
link->init = sc7280_init;
link->ops = &sc7280_ops;
if (link->no_pcm == 1)
link->be_hw_params_fixup = sc7280_snd_be_hw_params_fixup;
}
return devm_snd_soc_register_card(dev, card);
}
static const struct of_device_id sc7280_snd_device_id[] = {
{ .compatible = "google,sc7280-herobrine" },
{}
};
MODULE_DEVICE_TABLE(of, sc7280_snd_device_id);
static struct platform_driver sc7280_snd_driver = {
.probe = sc7280_snd_platform_probe,
.driver = {
.name = "msm-snd-sc7280",
.of_match_table = sc7280_snd_device_id,
.pm = &snd_soc_pm_ops,
},
};
module_platform_driver(sc7280_snd_driver);
MODULE_DESCRIPTION("sc7280 ASoC Machine Driver");
MODULE_LICENSE("GPL");
