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605 lines
15 KiB
605 lines
15 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219 |
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* |
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* Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved. |
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*/ |
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#include <linux/module.h> |
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#include <linux/platform_device.h> |
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#include <linux/slab.h> |
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#include <linux/gpio.h> |
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#include <linux/of_gpio.h> |
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#include <linux/delay.h> |
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#include <linux/spi/spi.h> |
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#include <linux/i2c.h> |
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#include <linux/input.h> |
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#include <sound/core.h> |
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#include <sound/jack.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.h> |
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#include "rockchip_i2s.h" |
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#include "../codecs/da7219.h" |
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#include "../codecs/da7219-aad.h" |
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#include "../codecs/rt5514.h" |
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#define DRV_NAME "rk3399-gru-sound" |
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#define SOUND_FS 256 |
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static unsigned int dmic_wakeup_delay; |
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static struct snd_soc_jack rockchip_sound_jack; |
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/* Headset jack detection DAPM pins */ |
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static struct snd_soc_jack_pin rockchip_sound_jack_pins[] = { |
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{ |
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.pin = "Headphones", |
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.mask = SND_JACK_HEADPHONE, |
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}, |
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{ |
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.pin = "Headset Mic", |
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.mask = SND_JACK_MICROPHONE, |
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}, |
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}; |
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static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = { |
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SND_SOC_DAPM_HP("Headphones", NULL), |
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SND_SOC_DAPM_SPK("Speakers", NULL), |
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SND_SOC_DAPM_MIC("Headset Mic", NULL), |
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SND_SOC_DAPM_MIC("Int Mic", NULL), |
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SND_SOC_DAPM_LINE("HDMI", NULL), |
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}; |
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static const struct snd_kcontrol_new rockchip_controls[] = { |
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SOC_DAPM_PIN_SWITCH("Headphones"), |
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SOC_DAPM_PIN_SWITCH("Speakers"), |
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SOC_DAPM_PIN_SWITCH("Headset Mic"), |
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SOC_DAPM_PIN_SWITCH("Int Mic"), |
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SOC_DAPM_PIN_SWITCH("HDMI"), |
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}; |
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static int rockchip_sound_max98357a_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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unsigned int mclk; |
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int ret; |
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mclk = params_rate(params) * SOUND_FS; |
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ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), 0, mclk, 0); |
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if (ret) { |
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dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n", |
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__func__, mclk, ret); |
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return ret; |
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} |
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return 0; |
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} |
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static int rockchip_sound_rt5514_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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unsigned int mclk; |
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int ret; |
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mclk = params_rate(params) * SOUND_FS; |
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ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, |
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SND_SOC_CLOCK_OUT); |
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if (ret < 0) { |
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dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK, |
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mclk, SND_SOC_CLOCK_IN); |
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if (ret) { |
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dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n", |
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__func__, params_rate(params) * 512, ret); |
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return ret; |
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} |
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/* Wait for DMIC stable */ |
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msleep(dmic_wakeup_delay); |
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return 0; |
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} |
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static int rockchip_sound_da7219_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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int mclk, ret; |
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/* in bypass mode, the mclk has to be one of the frequencies below */ |
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switch (params_rate(params)) { |
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case 8000: |
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case 16000: |
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case 24000: |
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case 32000: |
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case 48000: |
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case 64000: |
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case 96000: |
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mclk = 12288000; |
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break; |
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case 11025: |
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case 22050: |
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case 44100: |
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case 88200: |
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mclk = 11289600; |
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break; |
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default: |
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return -EINVAL; |
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} |
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ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, |
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SND_SOC_CLOCK_OUT); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
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SND_SOC_CLOCK_IN); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret); |
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return ret; |
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} |
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return 0; |
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} |
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static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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int ret; |
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/* We need default MCLK and PLL settings for the accessory detection */ |
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ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000, |
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SND_SOC_CLOCK_IN); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "Init can't set codec clock in %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "Init can't set pll sysclk mclk %d\n", ret); |
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return ret; |
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} |
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/* Enable Headset and 4 Buttons Jack detection */ |
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ret = snd_soc_card_jack_new(rtd->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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&rockchip_sound_jack, |
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rockchip_sound_jack_pins, |
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ARRAY_SIZE(rockchip_sound_jack_pins)); |
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if (ret) { |
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dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret); |
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return ret; |
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} |
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snd_jack_set_key( |
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rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); |
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snd_jack_set_key( |
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rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP); |
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snd_jack_set_key( |
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rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); |
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snd_jack_set_key( |
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rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); |
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da7219_aad_jack_det(component, &rockchip_sound_jack); |
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return 0; |
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} |
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static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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unsigned int mclk; |
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int ret; |
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mclk = params_rate(params) * SOUND_FS; |
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ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), 0, mclk, 0); |
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if (ret) { |
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dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n", |
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__func__, mclk, ret); |
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return ret; |
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} |
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/* Wait for DMIC stable */ |
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msleep(dmic_wakeup_delay); |
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return 0; |
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} |
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static int rockchip_sound_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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runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; |
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return snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, |
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8000, 96000); |
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} |
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static const struct snd_soc_ops rockchip_sound_max98357a_ops = { |
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.startup = rockchip_sound_startup, |
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.hw_params = rockchip_sound_max98357a_hw_params, |
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}; |
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static const struct snd_soc_ops rockchip_sound_rt5514_ops = { |
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.startup = rockchip_sound_startup, |
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.hw_params = rockchip_sound_rt5514_hw_params, |
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}; |
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static const struct snd_soc_ops rockchip_sound_da7219_ops = { |
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.startup = rockchip_sound_startup, |
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.hw_params = rockchip_sound_da7219_hw_params, |
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}; |
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static const struct snd_soc_ops rockchip_sound_dmic_ops = { |
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.startup = rockchip_sound_startup, |
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.hw_params = rockchip_sound_dmic_hw_params, |
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}; |
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static struct snd_soc_card rockchip_sound_card = { |
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.name = "rk3399-gru-sound", |
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.owner = THIS_MODULE, |
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.dapm_widgets = rockchip_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets), |
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.controls = rockchip_controls, |
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.num_controls = ARRAY_SIZE(rockchip_controls), |
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}; |
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enum { |
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DAILINK_CDNDP, |
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DAILINK_DA7219, |
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DAILINK_DMIC, |
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DAILINK_MAX98357A, |
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DAILINK_RT5514, |
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DAILINK_RT5514_DSP, |
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}; |
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SND_SOC_DAILINK_DEFS(cdndp, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "spdif-hifi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(da7219, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "da7219-hifi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(dmic, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dmic-hifi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(max98357a, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(rt5514, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5514-aif1")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(rt5514_dsp, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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DAILINK_COMP_ARRAY(COMP_DUMMY()), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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static const struct snd_soc_dai_link rockchip_dais[] = { |
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[DAILINK_CDNDP] = { |
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.name = "DP", |
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.stream_name = "DP PCM", |
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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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SND_SOC_DAILINK_REG(cdndp), |
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}, |
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[DAILINK_DA7219] = { |
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.name = "DA7219", |
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.stream_name = "DA7219 PCM", |
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.init = rockchip_sound_da7219_init, |
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.ops = &rockchip_sound_da7219_ops, |
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/* set da7219 as slave */ |
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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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SND_SOC_DAILINK_REG(da7219), |
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}, |
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[DAILINK_DMIC] = { |
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.name = "DMIC", |
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.stream_name = "DMIC PCM", |
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.ops = &rockchip_sound_dmic_ops, |
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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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SND_SOC_DAILINK_REG(dmic), |
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}, |
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[DAILINK_MAX98357A] = { |
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.name = "MAX98357A", |
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.stream_name = "MAX98357A PCM", |
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.ops = &rockchip_sound_max98357a_ops, |
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/* set max98357a as slave */ |
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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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SND_SOC_DAILINK_REG(max98357a), |
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}, |
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[DAILINK_RT5514] = { |
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.name = "RT5514", |
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.stream_name = "RT5514 PCM", |
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.ops = &rockchip_sound_rt5514_ops, |
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/* set rt5514 as slave */ |
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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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SND_SOC_DAILINK_REG(rt5514), |
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}, |
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/* RT5514 DSP for voice wakeup via spi bus */ |
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[DAILINK_RT5514_DSP] = { |
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.name = "RT5514 DSP", |
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.stream_name = "Wake on Voice", |
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SND_SOC_DAILINK_REG(rt5514_dsp), |
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}, |
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}; |
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static const struct snd_soc_dapm_route rockchip_sound_cdndp_routes[] = { |
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/* Output */ |
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{"HDMI", NULL, "TX"}, |
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}; |
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static const struct snd_soc_dapm_route rockchip_sound_da7219_routes[] = { |
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/* Output */ |
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{"Headphones", NULL, "HPL"}, |
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{"Headphones", NULL, "HPR"}, |
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/* Input */ |
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{"MIC", NULL, "Headset Mic"}, |
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}; |
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static const struct snd_soc_dapm_route rockchip_sound_dmic_routes[] = { |
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/* Input */ |
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{"DMic", NULL, "Int Mic"}, |
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}; |
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static const struct snd_soc_dapm_route rockchip_sound_max98357a_routes[] = { |
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/* Output */ |
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{"Speakers", NULL, "Speaker"}, |
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}; |
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static const struct snd_soc_dapm_route rockchip_sound_rt5514_routes[] = { |
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/* Input */ |
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{"DMIC1L", NULL, "Int Mic"}, |
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{"DMIC1R", NULL, "Int Mic"}, |
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}; |
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struct rockchip_sound_route { |
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const struct snd_soc_dapm_route *routes; |
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int num_routes; |
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}; |
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static const struct rockchip_sound_route rockchip_routes[] = { |
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[DAILINK_CDNDP] = { |
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.routes = rockchip_sound_cdndp_routes, |
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.num_routes = ARRAY_SIZE(rockchip_sound_cdndp_routes), |
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}, |
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[DAILINK_DA7219] = { |
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.routes = rockchip_sound_da7219_routes, |
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.num_routes = ARRAY_SIZE(rockchip_sound_da7219_routes), |
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}, |
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[DAILINK_DMIC] = { |
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.routes = rockchip_sound_dmic_routes, |
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.num_routes = ARRAY_SIZE(rockchip_sound_dmic_routes), |
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}, |
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[DAILINK_MAX98357A] = { |
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.routes = rockchip_sound_max98357a_routes, |
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.num_routes = ARRAY_SIZE(rockchip_sound_max98357a_routes), |
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}, |
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[DAILINK_RT5514] = { |
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.routes = rockchip_sound_rt5514_routes, |
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.num_routes = ARRAY_SIZE(rockchip_sound_rt5514_routes), |
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}, |
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[DAILINK_RT5514_DSP] = {}, |
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}; |
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struct dailink_match_data { |
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const char *compatible; |
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struct bus_type *bus_type; |
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}; |
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static const struct dailink_match_data dailink_match[] = { |
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[DAILINK_CDNDP] = { |
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.compatible = "rockchip,rk3399-cdn-dp", |
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}, |
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[DAILINK_DA7219] = { |
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.compatible = "dlg,da7219", |
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}, |
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[DAILINK_DMIC] = { |
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.compatible = "dmic-codec", |
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}, |
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[DAILINK_MAX98357A] = { |
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.compatible = "maxim,max98357a", |
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}, |
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[DAILINK_RT5514] = { |
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.compatible = "realtek,rt5514", |
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.bus_type = &i2c_bus_type, |
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}, |
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[DAILINK_RT5514_DSP] = { |
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.compatible = "realtek,rt5514", |
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.bus_type = &spi_bus_type, |
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}, |
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}; |
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static int rockchip_sound_codec_node_match(struct device_node *np_codec) |
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{ |
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struct device *dev; |
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int i; |
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for (i = 0; i < ARRAY_SIZE(dailink_match); i++) { |
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if (!of_device_is_compatible(np_codec, |
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dailink_match[i].compatible)) |
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continue; |
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|
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if (dailink_match[i].bus_type) { |
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dev = bus_find_device_by_of_node(dailink_match[i].bus_type, |
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np_codec); |
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if (!dev) |
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continue; |
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put_device(dev); |
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} |
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return i; |
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} |
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return -1; |
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} |
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static int rockchip_sound_of_parse_dais(struct device *dev, |
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struct snd_soc_card *card) |
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{ |
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struct device_node *np_cpu, *np_cpu0, *np_cpu1; |
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struct device_node *np_codec; |
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struct snd_soc_dai_link *dai; |
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struct snd_soc_dapm_route *routes; |
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int i, index; |
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int num_routes; |
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card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais), |
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GFP_KERNEL); |
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if (!card->dai_link) |
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return -ENOMEM; |
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num_routes = 0; |
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for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++) |
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num_routes += rockchip_routes[i].num_routes; |
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routes = devm_kcalloc(dev, num_routes, sizeof(*routes), |
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GFP_KERNEL); |
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if (!routes) |
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return -ENOMEM; |
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card->dapm_routes = routes; |
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|
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np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0); |
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np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1); |
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|
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card->num_dapm_routes = 0; |
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card->num_links = 0; |
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for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) { |
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np_codec = of_parse_phandle(dev->of_node, |
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"rockchip,codec", i); |
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if (!np_codec) |
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break; |
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|
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if (!of_device_is_available(np_codec)) |
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continue; |
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|
|
index = rockchip_sound_codec_node_match(np_codec); |
|
if (index < 0) |
|
continue; |
|
|
|
switch (index) { |
|
case DAILINK_CDNDP: |
|
np_cpu = np_cpu1; |
|
break; |
|
case DAILINK_RT5514_DSP: |
|
np_cpu = np_codec; |
|
break; |
|
default: |
|
np_cpu = np_cpu0; |
|
break; |
|
} |
|
|
|
if (!np_cpu) { |
|
dev_err(dev, "Missing 'rockchip,cpu' for %s\n", |
|
rockchip_dais[index].name); |
|
return -EINVAL; |
|
} |
|
|
|
dai = &card->dai_link[card->num_links++]; |
|
*dai = rockchip_dais[index]; |
|
|
|
if (!dai->codecs->name) |
|
dai->codecs->of_node = np_codec; |
|
dai->platforms->of_node = np_cpu; |
|
dai->cpus->of_node = np_cpu; |
|
|
|
if (card->num_dapm_routes + rockchip_routes[index].num_routes > |
|
num_routes) { |
|
dev_err(dev, "Too many routes\n"); |
|
return -EINVAL; |
|
} |
|
|
|
memcpy(routes + card->num_dapm_routes, |
|
rockchip_routes[index].routes, |
|
rockchip_routes[index].num_routes * sizeof(*routes)); |
|
card->num_dapm_routes += rockchip_routes[index].num_routes; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int rockchip_sound_probe(struct platform_device *pdev) |
|
{ |
|
struct snd_soc_card *card = &rockchip_sound_card; |
|
int ret; |
|
|
|
ret = rockchip_sound_of_parse_dais(&pdev->dev, card); |
|
if (ret < 0) { |
|
dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
/* Set DMIC wakeup delay */ |
|
ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms", |
|
&dmic_wakeup_delay); |
|
if (ret) { |
|
dmic_wakeup_delay = 0; |
|
dev_dbg(&pdev->dev, |
|
"no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n"); |
|
} |
|
|
|
card->dev = &pdev->dev; |
|
return devm_snd_soc_register_card(&pdev->dev, card); |
|
} |
|
|
|
static const struct of_device_id rockchip_sound_of_match[] = { |
|
{ .compatible = "rockchip,rk3399-gru-sound", }, |
|
{}, |
|
}; |
|
|
|
static struct platform_driver rockchip_sound_driver = { |
|
.probe = rockchip_sound_probe, |
|
.driver = { |
|
.name = DRV_NAME, |
|
.of_match_table = rockchip_sound_of_match, |
|
#ifdef CONFIG_PM |
|
.pm = &snd_soc_pm_ops, |
|
#endif |
|
}, |
|
}; |
|
|
|
module_platform_driver(rockchip_sound_driver); |
|
|
|
MODULE_AUTHOR("Xing Zheng <[email protected]>"); |
|
MODULE_DESCRIPTION("Rockchip ASoC Machine Driver"); |
|
MODULE_LICENSE("GPL v2"); |
|
MODULE_ALIAS("platform:" DRV_NAME); |
|
MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);
|
|
|