299 lines
8.6 KiB
C
299 lines
8.6 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
//
|
||
|
|
// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
|
||
|
|
//
|
||
|
|
// Author: Cezary Rojewski <cezary.rojewski@intel.com>
|
||
|
|
//
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/platform_data/x86/soc.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <sound/jack.h>
|
||
|
|
#include <sound/pcm.h>
|
||
|
|
#include <sound/pcm_params.h>
|
||
|
|
#include <sound/soc.h>
|
||
|
|
#include <sound/soc-acpi.h>
|
||
|
|
#include <sound/soc-dapm.h>
|
||
|
|
#include <uapi/linux/input-event-codes.h>
|
||
|
|
#include "../../../codecs/da7219.h"
|
||
|
|
|
||
|
|
#define DA7219_DAI_NAME "da7219-hifi"
|
||
|
|
|
||
|
|
static const struct snd_kcontrol_new card_controls[] = {
|
||
|
|
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Headset Mic"),
|
||
|
|
};
|
||
|
|
|
||
|
|
static int platform_clock_control(struct snd_soc_dapm_widget *w,
|
||
|
|
struct snd_kcontrol *k, int event)
|
||
|
|
{
|
||
|
|
struct snd_soc_dapm_context *dapm = w->dapm;
|
||
|
|
struct snd_soc_card *card = dapm->card;
|
||
|
|
struct snd_soc_dai *codec_dai;
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
codec_dai = snd_soc_card_get_codec_dai(card, DA7219_DAI_NAME);
|
||
|
|
if (!codec_dai) {
|
||
|
|
dev_err(card->dev, "Codec dai not found. Unable to set/unset codec pll\n");
|
||
|
|
return -EIO;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SND_SOC_DAPM_EVENT_OFF(event)) {
|
||
|
|
ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
|
||
|
|
if (ret)
|
||
|
|
dev_err(card->dev, "failed to stop PLL: %d\n", ret);
|
||
|
|
} else if (SND_SOC_DAPM_EVENT_ON(event)) {
|
||
|
|
ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM,
|
||
|
|
0, DA7219_PLL_FREQ_OUT_98304);
|
||
|
|
if (ret)
|
||
|
|
dev_err(card->dev, "failed to start PLL: %d\n", ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_widget card_widgets[] = {
|
||
|
|
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
||
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
||
|
|
SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, platform_clock_control,
|
||
|
|
SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_PRE_PMU),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_route card_base_routes[] = {
|
||
|
|
/* HP jack connectors - unknown if we have jack detection */
|
||
|
|
{"Headphone Jack", NULL, "HPL"},
|
||
|
|
{"Headphone Jack", NULL, "HPR"},
|
||
|
|
|
||
|
|
{"MIC", NULL, "Headset Mic"},
|
||
|
|
|
||
|
|
{ "Headphone Jack", NULL, "Platform Clock" },
|
||
|
|
{ "Headset Mic", NULL, "Platform Clock" },
|
||
|
|
};
|
||
|
|
|
||
|
|
static int avs_da7219_codec_init(struct snd_soc_pcm_runtime *runtime)
|
||
|
|
{
|
||
|
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0);
|
||
|
|
struct snd_soc_component *component = codec_dai->component;
|
||
|
|
struct snd_soc_card *card = runtime->card;
|
||
|
|
struct snd_soc_jack *jack;
|
||
|
|
int clk_freq;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
jack = snd_soc_card_get_drvdata(card);
|
||
|
|
if (soc_intel_is_apl())
|
||
|
|
clk_freq = 19200000;
|
||
|
|
else /* kbl */
|
||
|
|
clk_freq = 24576000;
|
||
|
|
|
||
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, clk_freq, SND_SOC_CLOCK_IN);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(card->dev, "can't set codec sysclk configuration\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Headset buttons map to the google Reference headset.
|
||
|
|
* These can be configured by userspace.
|
||
|
|
*/
|
||
|
|
ret = snd_soc_card_jack_new(card, "Headset Jack",
|
||
|
|
SND_JACK_HEADSET | SND_JACK_BTN_0 |
|
||
|
|
SND_JACK_BTN_1 | SND_JACK_BTN_2 |
|
||
|
|
SND_JACK_BTN_3 | SND_JACK_LINEOUT, jack);
|
||
|
|
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_VOLUMEUP);
|
||
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
|
||
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
|
||
|
|
|
||
|
|
return snd_soc_component_set_jack(component, jack, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void avs_da7219_codec_exit(struct snd_soc_pcm_runtime *rtd)
|
||
|
|
{
|
||
|
|
snd_soc_component_set_jack(asoc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
avs_da7219_be_fixup(struct snd_soc_pcm_runtime *runrime, 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);
|
||
|
|
|
||
|
|
/* The ADSP will convert the FE rate to 48k, stereo */
|
||
|
|
rate->min = rate->max = 48000;
|
||
|
|
channels->min = channels->max = 2;
|
||
|
|
|
||
|
|
/* set SSP0 to 24 bit */
|
||
|
|
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, const char *platform_name, int ssp_port,
|
||
|
|
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;
|
||
|
|
|
||
|
|
platform->name = platform_name;
|
||
|
|
|
||
|
|
dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port);
|
||
|
|
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, "SSP%d Pin", ssp_port);
|
||
|
|
dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-DLGS7219:00");
|
||
|
|
dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, DA7219_DAI_NAME);
|
||
|
|
if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
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_CBS_CFS;
|
||
|
|
dl->be_hw_params_fixup = avs_da7219_be_fixup;
|
||
|
|
dl->init = avs_da7219_codec_init;
|
||
|
|
dl->exit = avs_da7219_codec_exit;
|
||
|
|
dl->nonatomic = 1;
|
||
|
|
dl->no_pcm = 1;
|
||
|
|
dl->dpcm_capture = 1;
|
||
|
|
dl->dpcm_playback = 1;
|
||
|
|
|
||
|
|
*dai_link = dl;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int avs_create_dapm_routes(struct device *dev, int ssp_port,
|
||
|
|
struct snd_soc_dapm_route **routes, int *num_routes)
|
||
|
|
{
|
||
|
|
struct snd_soc_dapm_route *dr;
|
||
|
|
const int num_base = ARRAY_SIZE(card_base_routes);
|
||
|
|
const int num_dr = num_base + 2;
|
||
|
|
int idx;
|
||
|
|
|
||
|
|
dr = devm_kcalloc(dev, num_dr, sizeof(*dr), GFP_KERNEL);
|
||
|
|
if (!dr)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
memcpy(dr, card_base_routes, num_base * sizeof(*dr));
|
||
|
|
|
||
|
|
idx = num_base;
|
||
|
|
dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "Playback");
|
||
|
|
dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Tx", ssp_port);
|
||
|
|
if (!dr[idx].sink || !dr[idx].source)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
idx++;
|
||
|
|
dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Rx", ssp_port);
|
||
|
|
dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "Capture");
|
||
|
|
if (!dr[idx].sink || !dr[idx].source)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
*routes = dr;
|
||
|
|
*num_routes = num_dr;
|
||
|
|
|
||
|
|
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, DA7219_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, DA7219_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_da7219_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct snd_soc_dapm_route *routes;
|
||
|
|
struct snd_soc_dai_link *dai_link;
|
||
|
|
struct snd_soc_acpi_mach *mach;
|
||
|
|
struct snd_soc_card *card;
|
||
|
|
struct snd_soc_jack *jack;
|
||
|
|
struct device *dev = &pdev->dev;
|
||
|
|
const char *pname;
|
||
|
|
int num_routes, ssp_port, ret;
|
||
|
|
|
||
|
|
mach = dev_get_platdata(dev);
|
||
|
|
pname = mach->mach_params.platform;
|
||
|
|
ssp_port = __ffs(mach->mach_params.i2s_link_mask);
|
||
|
|
|
||
|
|
ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "Failed to create dai link: %d", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = avs_create_dapm_routes(dev, ssp_port, &routes, &num_routes);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "Failed to create dapm routes: %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;
|
||
|
|
|
||
|
|
card->name = "avs_da7219";
|
||
|
|
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 = routes;
|
||
|
|
card->num_dapm_routes = num_routes;
|
||
|
|
card->fully_routed = true;
|
||
|
|
snd_soc_card_set_drvdata(card, jack);
|
||
|
|
|
||
|
|
ret = snd_soc_fixup_dai_links_platform_name(card, pname);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
return devm_snd_soc_register_card(dev, card);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver avs_da7219_driver = {
|
||
|
|
.probe = avs_da7219_probe,
|
||
|
|
.driver = {
|
||
|
|
.name = "avs_da7219",
|
||
|
|
.pm = &snd_soc_pm_ops,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(avs_da7219_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
MODULE_ALIAS("platform:avs_da7219");
|