2020-02-17 13:05:01 +08:00
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// SPDX-License-Identifier: GPL-2.0+
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//
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// Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec.
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//
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//Copyright 2016 Advanced Micro Devices, Inc.
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#include <sound/core.h>
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#include <sound/soc.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc-dapm.h>
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#include <sound/jack.h>
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#include <linux/clk.h>
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#include <linux/gpio.h>
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2020-03-02 16:24:36 +08:00
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#include <linux/gpio/consumer.h>
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2020-02-17 13:05:01 +08:00
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/input.h>
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2020-03-04 16:40:57 +08:00
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#include <linux/io.h>
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2020-02-17 13:05:01 +08:00
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#include <linux/acpi.h>
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#include "raven/acp3x.h"
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#include "../codecs/rt5682.h"
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#define PCO_PLAT_CLK 48000000
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#define RT5682_PLL_FREQ (48000 * 512)
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#define DUAL_CHANNEL 2
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static struct snd_soc_jack pco_jack;
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static struct clk *rt5682_dai_wclk;
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static struct clk *rt5682_dai_bclk;
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2020-03-02 16:24:36 +08:00
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static struct gpio_desc *dmic_sel;
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2020-02-17 13:05:01 +08:00
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static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
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{
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int ret;
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struct snd_soc_card *card = rtd->card;
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2020-03-23 13:17:13 +08:00
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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2020-02-17 13:05:01 +08:00
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struct snd_soc_component *component = codec_dai->component;
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dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
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/* set rt5682 dai fmt */
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ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
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| SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBM_CFM);
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if (ret < 0) {
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dev_err(rtd->card->dev,
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"Failed to set rt5682 dai fmt: %d\n", ret);
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return ret;
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}
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/* set codec PLL */
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ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
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PCO_PLAT_CLK, RT5682_PLL_FREQ);
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if (ret < 0) {
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dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret);
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return ret;
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}
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/* Set codec sysclk */
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ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
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RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
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if (ret < 0) {
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dev_err(rtd->dev,
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"Failed to set rt5682 SYSCLK: %d\n", ret);
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return ret;
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}
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/* Set tdm/i2s1 master bclk ratio */
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ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
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if (ret < 0) {
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dev_err(rtd->dev,
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"Failed to set rt5682 tdm bclk ratio: %d\n", ret);
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return ret;
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}
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rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk");
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rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk");
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ret = snd_soc_card_jack_new(card, "Headset Jack",
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SND_JACK_HEADSET | SND_JACK_LINEOUT |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 |
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SND_JACK_BTN_2 | SND_JACK_BTN_3,
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&pco_jack, NULL, 0);
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if (ret) {
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dev_err(card->dev, "HP jack creation failed %d\n", ret);
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return ret;
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}
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snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
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2020-04-14 19:35:23 +08:00
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snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
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snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
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snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
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2020-02-17 13:05:01 +08:00
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ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
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if (ret) {
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dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
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return ret;
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}
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return ret;
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}
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static int rt5682_clk_enable(struct snd_pcm_substream *substream)
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{
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int ret = 0;
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2020-07-20 09:18:34 +08:00
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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2020-02-17 13:05:01 +08:00
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/* RT5682 will support only 48K output with 48M mclk */
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clk_set_rate(rt5682_dai_wclk, 48000);
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clk_set_rate(rt5682_dai_bclk, 48000 * 64);
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ret = clk_prepare_enable(rt5682_dai_wclk);
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if (ret < 0) {
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dev_err(rtd->dev, "can't enable wclk %d\n", ret);
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return ret;
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}
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return ret;
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}
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static void rt5682_clk_disable(void)
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{
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clk_disable_unprepare(rt5682_dai_wclk);
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}
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static const unsigned int channels[] = {
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DUAL_CHANNEL,
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};
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static const unsigned int rates[] = {
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48000,
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};
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static const struct snd_pcm_hw_constraint_list constraints_rates = {
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.count = ARRAY_SIZE(rates),
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.list = rates,
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.mask = 0,
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};
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static const struct snd_pcm_hw_constraint_list constraints_channels = {
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.count = ARRAY_SIZE(channels),
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.list = channels,
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.mask = 0,
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};
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static int acp3x_5682_startup(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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2020-07-20 09:18:34 +08:00
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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2020-02-17 13:05:01 +08:00
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struct snd_soc_card *card = rtd->card;
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struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
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machine->play_i2s_instance = I2S_SP_INSTANCE;
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machine->cap_i2s_instance = I2S_SP_INSTANCE;
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runtime->hw.channels_max = DUAL_CHANNEL;
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
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&constraints_channels);
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
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&constraints_rates);
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return rt5682_clk_enable(substream);
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}
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static int acp3x_max_startup(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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2020-07-20 09:18:34 +08:00
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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2020-02-17 13:05:01 +08:00
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struct snd_soc_card *card = rtd->card;
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struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
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machine->play_i2s_instance = I2S_BT_INSTANCE;
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runtime->hw.channels_max = DUAL_CHANNEL;
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
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&constraints_channels);
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
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&constraints_rates);
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return rt5682_clk_enable(substream);
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}
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2020-03-02 16:24:36 +08:00
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static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
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2020-02-17 13:05:01 +08:00
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{
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2020-07-20 09:18:34 +08:00
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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2020-02-17 13:05:01 +08:00
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struct snd_soc_card *card = rtd->card;
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2020-03-23 13:17:13 +08:00
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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2020-02-17 13:05:01 +08:00
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struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
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machine->cap_i2s_instance = I2S_BT_INSTANCE;
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snd_soc_dai_set_bclk_ratio(codec_dai, 64);
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2020-03-02 16:24:36 +08:00
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return rt5682_clk_enable(substream);
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}
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2020-05-30 17:55:06 +08:00
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static int dmic_switch;
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2020-03-02 16:24:36 +08:00
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2020-05-30 17:55:06 +08:00
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static int dmic_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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ucontrol->value.integer.value[0] = dmic_switch;
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return 0;
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}
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2020-02-17 13:05:01 +08:00
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2020-05-30 17:55:06 +08:00
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static int dmic_set(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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if (dmic_sel) {
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dmic_switch = ucontrol->value.integer.value[0];
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gpiod_set_value(dmic_sel, dmic_switch);
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}
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return 0;
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2020-02-17 13:05:01 +08:00
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}
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static void rt5682_shutdown(struct snd_pcm_substream *substream)
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{
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rt5682_clk_disable();
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}
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static const struct snd_soc_ops acp3x_5682_ops = {
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.startup = acp3x_5682_startup,
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.shutdown = rt5682_shutdown,
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};
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static const struct snd_soc_ops acp3x_max_play_ops = {
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.startup = acp3x_max_startup,
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.shutdown = rt5682_shutdown,
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};
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2020-03-02 16:24:36 +08:00
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static const struct snd_soc_ops acp3x_ec_cap0_ops = {
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.startup = acp3x_ec_dmic0_startup,
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.shutdown = rt5682_shutdown,
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};
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2020-02-17 13:05:01 +08:00
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SND_SOC_DAILINK_DEF(acp3x_i2s,
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DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
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SND_SOC_DAILINK_DEF(acp3x_bt,
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DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));
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SND_SOC_DAILINK_DEF(rt5682,
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DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
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SND_SOC_DAILINK_DEF(max,
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DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
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SND_SOC_DAILINK_DEF(cros_ec,
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DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));
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SND_SOC_DAILINK_DEF(platform,
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DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));
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static struct snd_soc_dai_link acp3x_dai_5682_98357[] = {
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{
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.name = "acp3x-5682-play",
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.stream_name = "Playback",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBM_CFM,
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.init = acp3x_5682_init,
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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.ops = &acp3x_5682_ops,
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SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform),
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},
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{
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.name = "acp3x-max98357-play",
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.stream_name = "HiFi Playback",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBM_CFM,
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.dpcm_playback = 1,
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.ops = &acp3x_max_play_ops,
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SND_SOC_DAILINK_REG(acp3x_bt, max, platform),
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},
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{
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2020-03-02 16:24:36 +08:00
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.name = "acp3x-ec-dmic0-capture",
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.stream_name = "Capture DMIC0",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBS_CFS,
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.dpcm_capture = 1,
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.ops = &acp3x_ec_cap0_ops,
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SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
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},
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2020-02-17 13:05:01 +08:00
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};
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2020-05-30 17:55:06 +08:00
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static const char * const dmic_mux_text[] = {
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"Front Mic",
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"Rear Mic",
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};
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static SOC_ENUM_SINGLE_DECL(
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acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);
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static const struct snd_kcontrol_new acp3x_dmic_mux_control =
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SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum,
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dmic_get, dmic_set);
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2020-07-29 00:02:51 +08:00
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static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = {
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2020-02-17 13:05:01 +08:00
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_SPK("Spk", NULL),
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SND_SOC_DAPM_MIC("Headset Mic", NULL),
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2020-05-30 17:55:06 +08:00
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SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
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&acp3x_dmic_mux_control),
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2020-02-17 13:05:01 +08:00
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};
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2020-07-29 00:02:51 +08:00
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static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = {
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2020-02-17 13:05:01 +08:00
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{"Headphone Jack", NULL, "HPOL"},
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{"Headphone Jack", NULL, "HPOR"},
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{"IN1P", NULL, "Headset Mic"},
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{"Spk", NULL, "Speaker"},
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2020-05-30 17:55:06 +08:00
|
|
|
{"Dmic Mux", "Front Mic", "DMIC"},
|
|
|
|
{"Dmic Mux", "Rear Mic", "DMIC"},
|
2020-02-17 13:05:01 +08:00
|
|
|
};
|
|
|
|
|
2020-07-29 00:02:51 +08:00
|
|
|
static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = {
|
2020-02-17 13:05:01 +08:00
|
|
|
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
|
|
|
|
SOC_DAPM_PIN_SWITCH("Spk"),
|
|
|
|
SOC_DAPM_PIN_SWITCH("Headset Mic"),
|
|
|
|
};
|
|
|
|
|
2020-07-29 00:02:51 +08:00
|
|
|
static struct snd_soc_card acp3x_5682 = {
|
2020-02-17 13:05:01 +08:00
|
|
|
.name = "acp3xalc5682m98357",
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.dai_link = acp3x_dai_5682_98357,
|
|
|
|
.num_links = ARRAY_SIZE(acp3x_dai_5682_98357),
|
2020-07-29 00:02:51 +08:00
|
|
|
.dapm_widgets = acp3x_5682_widgets,
|
|
|
|
.num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets),
|
|
|
|
.dapm_routes = acp3x_5682_audio_route,
|
|
|
|
.num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route),
|
|
|
|
.controls = acp3x_5682_mc_controls,
|
|
|
|
.num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
|
2020-02-17 13:05:01 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
static int acp3x_probe(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
struct snd_soc_card *card;
|
|
|
|
struct acp3x_platform_info *machine;
|
|
|
|
|
|
|
|
machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL);
|
|
|
|
if (!machine)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2020-07-29 00:02:51 +08:00
|
|
|
card = &acp3x_5682;
|
|
|
|
acp3x_5682.dev = &pdev->dev;
|
2020-02-17 13:05:01 +08:00
|
|
|
platform_set_drvdata(pdev, card);
|
|
|
|
snd_soc_card_set_drvdata(card, machine);
|
2020-03-02 16:24:36 +08:00
|
|
|
|
|
|
|
dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
|
|
|
|
if (IS_ERR(dmic_sel)) {
|
2020-03-03 17:04:37 +08:00
|
|
|
dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n",
|
2020-03-02 16:24:36 +08:00
|
|
|
PTR_ERR(dmic_sel));
|
|
|
|
return PTR_ERR(dmic_sel);
|
|
|
|
}
|
|
|
|
|
2020-07-29 00:02:51 +08:00
|
|
|
ret = devm_snd_soc_register_card(&pdev->dev, &acp3x_5682);
|
2020-02-17 13:05:01 +08:00
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev,
|
|
|
|
"devm_snd_soc_register_card(%s) failed: %d\n",
|
2020-07-29 00:02:51 +08:00
|
|
|
acp3x_5682.name, ret);
|
2020-02-17 13:05:01 +08:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct acpi_device_id acp3x_audio_acpi_match[] = {
|
|
|
|
{ "AMDI5682", 0 },
|
|
|
|
{},
|
|
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);
|
|
|
|
|
|
|
|
static struct platform_driver acp3x_audio = {
|
|
|
|
.driver = {
|
|
|
|
.name = "acp3x-alc5682-max98357",
|
|
|
|
.acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match),
|
|
|
|
.pm = &snd_soc_pm_ops,
|
|
|
|
},
|
|
|
|
.probe = acp3x_probe,
|
|
|
|
};
|
|
|
|
|
|
|
|
module_platform_driver(acp3x_audio);
|
|
|
|
|
|
|
|
MODULE_AUTHOR("akshu.agrawal@amd.com");
|
|
|
|
MODULE_DESCRIPTION("ALC5682 & MAX98357 audio support");
|
|
|
|
MODULE_LICENSE("GPL v2");
|