398 lines
11 KiB
C
398 lines
11 KiB
C
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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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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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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/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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unsigned int rt5514_dmic_delay;
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static struct snd_soc_jack rockchip_sound_jack;
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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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};
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static const struct snd_soc_dapm_route rockchip_dapm_routes[] = {
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/* Input Lines */
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{"MIC", NULL, "Headset Mic"},
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{"DMIC1L", NULL, "Int Mic"},
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{"DMIC1R", NULL, "Int Mic"},
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/* Output Lines */
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{"Headphones", NULL, "HPL"},
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{"Headphones", NULL, "HPR"},
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{"Speakers", NULL, "Speaker"},
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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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};
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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 = substream->private_data;
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unsigned int mclk;
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int ret;
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/* max98357a supports these sample rates */
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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 48000:
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case 96000:
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mclk = params_rate(params) * SOUND_FS;
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break;
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default:
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dev_err(rtd->card->dev, "%s() doesn't support this sample rate: %d\n",
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__func__, params_rate(params));
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return -EINVAL;
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}
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ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 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 = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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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(rt5514_dmic_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 = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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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_codec *codec = rtd->codec_dais[0]->codec;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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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, NULL, 0);
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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(rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_MEDIA);
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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(codec, &rockchip_sound_jack);
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return 0;
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}
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static struct snd_soc_ops rockchip_sound_max98357a_ops = {
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.hw_params = rockchip_sound_max98357a_hw_params,
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};
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static struct snd_soc_ops rockchip_sound_rt5514_ops = {
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.hw_params = rockchip_sound_rt5514_hw_params,
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};
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static struct snd_soc_ops rockchip_sound_da7219_ops = {
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.hw_params = rockchip_sound_da7219_hw_params,
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};
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enum {
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DAILINK_MAX98357A,
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DAILINK_RT5514,
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DAILINK_DA7219,
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DAILINK_RT5514_DSP,
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};
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#define DAILINK_ENTITIES (DAILINK_DA7219 + 1)
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static struct snd_soc_dai_link rockchip_dailinks[] = {
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[DAILINK_MAX98357A] = {
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.name = "MAX98357A",
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.stream_name = "MAX98357A PCM",
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.codec_dai_name = "HiFi",
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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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},
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[DAILINK_RT5514] = {
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.name = "RT5514",
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.stream_name = "RT5514 PCM",
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.codec_dai_name = "rt5514-aif1",
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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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},
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[DAILINK_DA7219] = {
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.name = "DA7219",
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.stream_name = "DA7219 PCM",
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.codec_dai_name = "da7219-hifi",
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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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},
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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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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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},
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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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.dai_link = rockchip_dailinks,
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.num_links = ARRAY_SIZE(rockchip_dailinks),
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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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.dapm_routes = rockchip_dapm_routes,
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.num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes),
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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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static int rockchip_sound_match_stub(struct device *dev, void *data)
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{
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return 1;
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}
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static int rockchip_sound_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card = &rockchip_sound_card;
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struct device_node *cpu_node;
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struct device *dev;
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struct device_driver *drv;
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int i, ret;
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cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0);
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if (!cpu_node) {
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dev_err(&pdev->dev, "Property 'rockchip,cpu' missing or invalid\n");
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return -EINVAL;
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}
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for (i = 0; i < DAILINK_ENTITIES; i++) {
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rockchip_dailinks[i].platform_of_node = cpu_node;
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rockchip_dailinks[i].cpu_of_node = cpu_node;
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rockchip_dailinks[i].codec_of_node =
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of_parse_phandle(pdev->dev.of_node, "rockchip,codec", i);
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if (!rockchip_dailinks[i].codec_of_node) {
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dev_err(&pdev->dev,
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"Property[%d] 'rockchip,codec' missing or invalid\n", i);
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return -EINVAL;
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}
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}
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/**
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* To acquire the spi driver of the rt5514 and set the dai-links names
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* for soc_bind_dai_link
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*/
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drv = driver_find("rt5514", &spi_bus_type);
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if (!drv) {
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dev_err(&pdev->dev, "Can not find the rt5514 driver at the spi bus\n");
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return -EINVAL;
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}
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dev = driver_find_device(drv, NULL, NULL, rockchip_sound_match_stub);
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if (!dev) {
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dev_err(&pdev->dev, "Can not find the rt5514 device\n");
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return -ENODEV;
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||
|
|
}
|
||
|
|
|
||
|
|
/* Set DMIC delay */
|
||
|
|
ret = device_property_read_u32(&pdev->dev, "dmic-delay",
|
||
|
|
&rt5514_dmic_delay);
|
||
|
|
if (ret) {
|
||
|
|
rt5514_dmic_delay = 0;
|
||
|
|
dev_dbg(&pdev->dev,
|
||
|
|
"no optional property 'dmic-delay' found, default: no delay\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
rockchip_dailinks[DAILINK_RT5514_DSP].cpu_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
|
||
|
|
rockchip_dailinks[DAILINK_RT5514_DSP].cpu_dai_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
|
||
|
|
rockchip_dailinks[DAILINK_RT5514_DSP].platform_name = kstrdup_const(dev_name(dev), GFP_KERNEL);
|
||
|
|
|
||
|
|
card->dev = &pdev->dev;
|
||
|
|
platform_set_drvdata(pdev, card);
|
||
|
|
|
||
|
|
ret = devm_snd_soc_register_card(&pdev->dev, card);
|
||
|
|
if (ret)
|
||
|
|
dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
|
||
|
|
__func__, ret);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
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 <zhengxing@rock-chips.com>");
|
||
|
|
MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_ALIAS("platform:" DRV_NAME);
|
||
|
|
MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);
|