#include <linux/module.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../../../codecs/rt5640.h"
#include "../utils.h"
#define AVS_RT5640_MCLK_HZ 19200000
#define RT5640_CODEC_DAI "rt5640-aif1"
static const struct snd_soc_dapm_widget card_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Mic Jack", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
};
static const struct snd_soc_dapm_route card_routes[] = {
{ "Headphone Jack", NULL, "HPOR" },
{ "Headphone Jack", NULL, "HPOL" },
{ "IN2P", NULL, "Mic Jack" },
{ "IN2P", NULL, "MICBIAS1" },
{ "Speaker", NULL, "SPOLP" },
{ "Speaker", NULL, "SPOLN" },
{ "Speaker", NULL, "SPORP" },
{ "Speaker", NULL, "SPORN" },
};
static const struct snd_soc_jack_pin card_headset_pins[] = {
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
};
static int avs_rt5640_codec_init(struct snd_soc_pcm_runtime *runtime)
{
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
struct snd_soc_card *card = runtime->card;
struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
struct snd_soc_jack_pin *pins;
struct snd_soc_jack *jack;
int num_pins, ret;
jack = snd_soc_card_get_drvdata(card);
num_pins = ARRAY_SIZE(card_headset_pins);
pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
if (!pins)
return -ENOMEM;
ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET, jack, pins,
num_pins);
if (ret)
return ret;
snd_soc_component_set_jack(codec_dai->component, jack, NULL);
snd_soc_dapm_set_idle_bias(dapm, false);
return 0;
}
static void avs_rt5640_codec_exit(struct snd_soc_pcm_runtime *runtime)
{
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
}
static int avs_rt5640_be_fixup(struct snd_soc_pcm_runtime *runtime,
struct snd_pcm_hw_params *params)
{
struct snd_mask *fmask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
if (params_format(params) == SNDRV_PCM_FORMAT_S32_LE)
snd_mask_set_format(fmask, SNDRV_PCM_FORMAT_S24_LE);
return 0;
}
static int avs_rt5640_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
int ret;
ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_MCLK, AVS_RT5640_MCLK_HZ,
params_rate(params) * 512);
if (ret < 0) {
dev_err(runtime->dev, "Set codec PLL failed: %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1, params_rate(params) * 512,
SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(runtime->dev, "Set codec SCLK failed: %d\n", ret);
return ret;
}
ret = rt5640_sel_asrc_clk_src(codec_dai->component,
RT5640_DA_STEREO_FILTER | RT5640_AD_STEREO_FILTER |
RT5640_DA_MONO_L_FILTER | RT5640_DA_MONO_R_FILTER |
RT5640_AD_MONO_L_FILTER | RT5640_AD_MONO_R_FILTER,
RT5640_CLK_SEL_ASRC);
if (ret)
dev_err(runtime->dev, "Set codec ASRC failed: %d\n", ret);
return ret;
}
static const struct snd_soc_ops avs_rt5640_ops = {
.hw_params = avs_rt5640_hw_params,
};
static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot,
struct snd_soc_acpi_mach *mach,
struct snd_soc_dai_link **dai_link)
{
struct snd_soc_dai_link_component *platform;
struct snd_soc_dai_link *dl;
u32 uid = 0;
int ret;
if (mach->uid) {
ret = kstrtou32(mach->uid, 0, &uid);
if (ret)
return ret;
uid--;
}
dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
if (!dl || !platform)
return -ENOMEM;
dl->name = devm_kasprintf(dev, GFP_KERNEL,
AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
if (!dl->name || !dl->cpus || !dl->codecs)
return -ENOMEM;
dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5640:0%d", uid);
dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5640_CODEC_DAI);
if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
return -ENOMEM;
platform->name = dev_name(dev);
dl->num_cpus = 1;
dl->num_codecs = 1;
dl->platforms = platform;
dl->num_platforms = 1;
dl->id = 0;
dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
dl->init = avs_rt5640_codec_init;
dl->exit = avs_rt5640_codec_exit;
dl->be_hw_params_fixup = avs_rt5640_be_fixup;
dl->ops = &avs_rt5640_ops;
dl->nonatomic = 1;
dl->no_pcm = 1;
*dai_link = dl;
return 0;
}
static int avs_card_suspend_pre(struct snd_soc_card *card)
{
struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5640_CODEC_DAI);
return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
}
static int avs_card_resume_post(struct snd_soc_card *card)
{
struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5640_CODEC_DAI);
struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
}
static int avs_rt5640_probe(struct platform_device *pdev)
{
struct snd_soc_dai_link *dai_link;
struct device *dev = &pdev->dev;
struct snd_soc_acpi_mach *mach;
struct snd_soc_card *card;
struct snd_soc_jack *jack;
int ssp_port, tdm_slot, ret;
mach = dev_get_platdata(dev);
ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
if (ret)
return ret;
ret = avs_create_dai_link(dev, ssp_port, tdm_slot, mach, &dai_link);
if (ret) {
dev_err(dev, "Failed to create dai link: %d", ret);
return ret;
}
jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
if (!jack || !card)
return -ENOMEM;
if (mach->uid) {
card->name = devm_kasprintf(dev, GFP_KERNEL, "AVS I2S ALC5640.%s", mach->uid);
if (!card->name)
return -ENOMEM;
} else {
card->name = "AVS I2S ALC5640";
}
card->driver_name = "avs_rt5640";
card->long_name = card->name;
card->dev = dev;
card->owner = THIS_MODULE;
card->suspend_pre = avs_card_suspend_pre;
card->resume_post = avs_card_resume_post;
card->dai_link = dai_link;
card->num_links = 1;
card->dapm_widgets = card_widgets;
card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
card->dapm_routes = card_routes;
card->num_dapm_routes = ARRAY_SIZE(card_routes);
card->fully_routed = true;
snd_soc_card_set_drvdata(card, jack);
return devm_snd_soc_register_deferrable_card(dev, card);
}
static const struct platform_device_id avs_rt5640_driver_ids[] = {
{
.name = "avs_rt5640",
},
{},
};
MODULE_DEVICE_TABLE(platform, avs_rt5640_driver_ids);
static struct platform_driver avs_rt5640_driver = {
.probe = avs_rt5640_probe,
.driver = {
.name = "avs_rt5640",
.pm = &snd_soc_pm_ops,
},
.id_table = avs_rt5640_driver_ids,
};
module_platform_driver(avs_rt5640_driver);
MODULE_DESCRIPTION("Intel rt5640 machine driver");
MODULE_LICENSE("GPL");
