#include <linux/clk.h>
#include <linux/dmi.h>
#include <linux/i2c.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/pcm_params.h>
#include <sound/rt5682.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../../common/soc-intel-quirks.h"
#include "../../../codecs/rt5682.h"
#include "../utils.h"
#define AVS_RT5682_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0))
#define AVS_RT5682_SSP_CODEC_MASK (GENMASK(2, 0))
#define AVS_RT5682_MCLK_EN BIT(3)
#define AVS_RT5682_MCLK_24MHZ BIT(4)
#define AVS_RT5682_CODEC_DAI_NAME "rt5682-aif1"
static unsigned long avs_rt5682_quirk = AVS_RT5682_MCLK_EN | AVS_RT5682_SSP_CODEC(0);
static int avs_rt5682_quirk_cb(const struct dmi_system_id *id)
{
avs_rt5682_quirk = (unsigned long)id->driver_data;
return 1;
}
static const struct dmi_system_id avs_rt5682_quirk_table[] = {
{
.callback = avs_rt5682_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "WhiskeyLake Client"),
},
.driver_data = (void *)(AVS_RT5682_MCLK_EN |
AVS_RT5682_MCLK_24MHZ |
AVS_RT5682_SSP_CODEC(1)),
},
{
.callback = avs_rt5682_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
},
.driver_data = (void *)(AVS_RT5682_MCLK_EN |
AVS_RT5682_SSP_CODEC(0)),
},
{}
};
static const struct snd_kcontrol_new card_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
};
static const struct snd_soc_dapm_widget card_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
};
static const struct snd_soc_dapm_route card_base_routes[] = {
{ "Headphone Jack", NULL, "HPOL" },
{ "Headphone Jack", NULL, "HPOR" },
{ "IN1P", NULL, "Headset Mic" },
};
static const struct snd_soc_jack_pin card_jack_pins[] = {
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
static int avs_rt5682_codec_init(struct snd_soc_pcm_runtime *runtime)
{
struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
struct snd_soc_card *card = runtime->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_jack_pins);
pins = devm_kmemdup_array(card->dev, card_jack_pins, num_pins,
sizeof(card_jack_pins[0]), GFP_KERNEL);
if (!pins)
return -ENOMEM;
if ((avs_rt5682_quirk & AVS_RT5682_MCLK_EN) &&
(avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)) {
rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC);
}
ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
pins, num_pins);
if (ret) {
dev_err(card->dev, "Headset Jack creation failed: %d\n", ret);
return ret;
}
snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
ret = snd_soc_component_set_jack(component, jack, NULL);
if (ret) {
dev_err(card->dev, "Headset Jack call-back failed: %d\n", ret);
return ret;
}
return 0;
};
static void avs_rt5682_codec_exit(struct snd_soc_pcm_runtime *rtd)
{
snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
}
static int
avs_rt5682_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 pll_source, freq_in, freq_out;
int ret;
if (avs_rt5682_quirk & AVS_RT5682_MCLK_EN) {
pll_source = RT5682_PLL1_S_MCLK;
if (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)
freq_in = 24000000;
else
freq_in = 19200000;
} else {
pll_source = RT5682_PLL1_S_BCLK1;
freq_in = params_rate(params) * 50;
}
freq_out = params_rate(params) * 512;
ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL1, pll_source, freq_in, freq_out);
if (ret < 0)
dev_err(runtime->dev, "Set PLL failed: %d\n", ret);
ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1, freq_out, SND_SOC_CLOCK_IN);
if (ret < 0)
dev_err(runtime->dev, "Set sysclk failed: %d\n", ret);
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, params_width(params));
if (ret < 0)
dev_err(runtime->dev, "Set TDM slot failed: %d\n", ret);
return ret;
}
static const struct snd_soc_ops avs_rt5682_ops = {
.hw_params = avs_rt5682_hw_params,
};
static int
avs_rt5682_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
{
struct snd_interval *rate, *channels;
struct snd_mask *fmt;
rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
snd_mask_none(fmt);
snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
return 0;
}
static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot,
struct snd_soc_dai_link **dai_link)
{
struct snd_soc_dai_link_component *platform;
struct snd_soc_dai_link *dl;
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-10EC5682:00");
dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, AVS_RT5682_CODEC_DAI_NAME);
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_rt5682_codec_init;
dl->exit = avs_rt5682_codec_exit;
dl->be_hw_params_fixup = avs_rt5682_be_fixup;
dl->ops = &avs_rt5682_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, AVS_RT5682_CODEC_DAI_NAME);
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, AVS_RT5682_CODEC_DAI_NAME);
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_rt5682_probe(struct platform_device *pdev)
{
struct snd_soc_dai_link *dai_link;
struct snd_soc_acpi_mach *mach;
struct avs_mach_pdata *pdata;
struct snd_soc_card *card;
struct snd_soc_jack *jack;
struct device *dev = &pdev->dev;
int ssp_port, tdm_slot, ret;
if (pdev->id_entry && pdev->id_entry->driver_data)
avs_rt5682_quirk = (unsigned long)pdev->id_entry->driver_data;
dmi_check_system(avs_rt5682_quirk_table);
dev_dbg(dev, "avs_rt5682_quirk = %lx\n", avs_rt5682_quirk);
mach = dev_get_platdata(dev);
pdata = mach->pdata;
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, &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 (pdata->obsolete_card_names) {
card->name = "avs_rt5682";
} else {
card->driver_name = "avs_rt5682";
card->long_name = card->name = "AVS I2S ALC5682";
}
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->controls = card_controls;
card->num_controls = ARRAY_SIZE(card_controls);
card->dapm_widgets = card_widgets;
card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
card->dapm_routes = card_base_routes;
card->num_dapm_routes = ARRAY_SIZE(card_base_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_rt5682_driver_ids[] = {
{
.name = "avs_rt5682",
},
{},
};
MODULE_DEVICE_TABLE(platform, avs_rt5682_driver_ids);
static struct platform_driver avs_rt5682_driver = {
.probe = avs_rt5682_probe,
.driver = {
.name = "avs_rt5682",
.pm = &snd_soc_pm_ops,
},
.id_table = avs_rt5682_driver_ids,
};
module_platform_driver(avs_rt5682_driver)
MODULE_DESCRIPTION("Intel rt5682 machine driver");
MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
MODULE_LICENSE("GPL");
