--- /dev/null
+/*
+ * Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219
+ *
+ * Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/delay.h>
+#include <linux/spi/spi.h>
+#include <linux/input.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include "rockchip_i2s.h"
+#include "../codecs/da7219.h"
+#include "../codecs/da7219-aad.h"
+#include "../codecs/rt5514.h"
+
+#define DRV_NAME "rk3399-gru-sound"
+
+#define SOUND_FS 256
+
+unsigned int rt5514_dmic_delay;
+
+static struct snd_soc_jack rockchip_sound_jack;
+
+static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphones", NULL),
+ SND_SOC_DAPM_SPK("Speakers", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route rockchip_dapm_routes[] = {
+ /* Input Lines */
+ {"MIC", NULL, "Headset Mic"},
+ {"DMIC1L", NULL, "Int Mic"},
+ {"DMIC1R", NULL, "Int Mic"},
+
+ /* Output Lines */
+ {"Headphones", NULL, "HPL"},
+ {"Headphones", NULL, "HPR"},
+ {"Speakers", NULL, "Speaker"},
+};
+
+static const struct snd_kcontrol_new rockchip_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphones"),
+ SOC_DAPM_PIN_SWITCH("Speakers"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
+};
+
+static int rockchip_sound_max98357a_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ unsigned int mclk;
+ int ret;
+
+ /* max98357a supports these sample rates */
+ switch (params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 48000:
+ case 96000:
+ mclk = params_rate(params) * SOUND_FS;
+ break;
+ default:
+ dev_err(rtd->card->dev, "%s() doesn't support this sample rate: %d\n",
+ __func__, params_rate(params));
+ return -EINVAL;
+ }
+
+ ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
+ if (ret) {
+ dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
+ __func__, mclk, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int rockchip_sound_rt5514_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ unsigned int mclk;
+ int ret;
+
+ mclk = params_rate(params) * SOUND_FS;
+
+ ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
+ SND_SOC_CLOCK_OUT);
+ if (ret < 0) {
+ dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK,
+ mclk, SND_SOC_CLOCK_IN);
+ if (ret) {
+ dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
+ __func__, params_rate(params) * 512, ret);
+ return ret;
+ }
+
+ /* Wait for DMIC stable */
+ msleep(rt5514_dmic_delay);
+
+ return 0;
+}
+
+static int rockchip_sound_da7219_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int mclk, ret;
+
+ /* in bypass mode, the mclk has to be one of the frequencies below */
+ switch (params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 48000:
+ case 64000:
+ case 96000:
+ mclk = 12288000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ mclk = 11289600;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
+ SND_SOC_CLOCK_OUT);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec_dais[0]->codec;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ /* We need default MCLK and PLL settings for the accessory detection */
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "Init can't set codec clock in %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "Init can't set pll sysclk mclk %d\n", ret);
+ return ret;
+ }
+
+ /* Enable Headset and 4 Buttons Jack detection */
+ ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
+ SND_JACK_HEADSET | SND_JACK_LINEOUT |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ &rockchip_sound_jack, NULL, 0);
+
+ if (ret) {
+ dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret);
+ return ret;
+ }
+
+ snd_jack_set_key(rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_MEDIA);
+ snd_jack_set_key(
+ rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+ snd_jack_set_key(
+ rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ snd_jack_set_key(
+ rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+
+ da7219_aad_jack_det(codec, &rockchip_sound_jack);
+
+ return 0;
+}
+
+static struct snd_soc_ops rockchip_sound_max98357a_ops = {
+ .hw_params = rockchip_sound_max98357a_hw_params,
+};
+
+static struct snd_soc_ops rockchip_sound_rt5514_ops = {
+ .hw_params = rockchip_sound_rt5514_hw_params,
+};
+
+static struct snd_soc_ops rockchip_sound_da7219_ops = {
+ .hw_params = rockchip_sound_da7219_hw_params,
+};
+
+enum {
+ DAILINK_MAX98357A,
+ DAILINK_RT5514,
+ DAILINK_DA7219,
+ DAILINK_RT5514_DSP,
+};
+
+#define DAILINK_ENTITIES (DAILINK_DA7219 + 1)
+
+static struct snd_soc_dai_link rockchip_dailinks[] = {
+ [DAILINK_MAX98357A] = {
+ .name = "MAX98357A",
+ .stream_name = "MAX98357A PCM",
+ .codec_dai_name = "HiFi",
+ .ops = &rockchip_sound_max98357a_ops,
+ /* set max98357a as slave */
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ },
+ [DAILINK_RT5514] = {
+ .name = "RT5514",
+ .stream_name = "RT5514 PCM",
+ .codec_dai_name = "rt5514-aif1",
+ .ops = &rockchip_sound_rt5514_ops,
+ /* set rt5514 as slave */
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ },
+ [DAILINK_DA7219] = {
+ .name = "DA7219",
+ .stream_name = "DA7219 PCM",
+ .codec_dai_name = "da7219-hifi",
+ .init = rockchip_sound_da7219_init,
+ .ops = &rockchip_sound_da7219_ops,
+ /* set da7219 as slave */
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ },
+ /* RT5514 DSP for voice wakeup via spi bus */
+ [DAILINK_RT5514_DSP] = {
+ .name = "RT5514 DSP",
+ .stream_name = "Wake on Voice",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ },
+};
+
+static struct snd_soc_card rockchip_sound_card = {
+ .name = "rk3399-gru-sound",
+ .owner = THIS_MODULE,
+ .dai_link = rockchip_dailinks,
+ .num_links = ARRAY_SIZE(rockchip_dailinks),
+ .dapm_widgets = rockchip_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
+ .dapm_routes = rockchip_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes),
+ .controls = rockchip_controls,
+ .num_controls = ARRAY_SIZE(rockchip_controls),
+};
+
+static int rockchip_sound_match_stub(struct device *dev, void *data)
+{
+ return 1;
+}
+
+static int rockchip_sound_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &rockchip_sound_card;
+ struct device_node *cpu_node;
+ struct device *dev;
+ struct device_driver *drv;
+ int i, ret;
+
+ cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0);
+ if (!cpu_node) {
+ dev_err(&pdev->dev, "Property 'rockchip,cpu' missing or invalid\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < DAILINK_ENTITIES; i++) {
+ rockchip_dailinks[i].platform_of_node = cpu_node;
+ rockchip_dailinks[i].cpu_of_node = cpu_node;
+
+ rockchip_dailinks[i].codec_of_node =
+ of_parse_phandle(pdev->dev.of_node, "rockchip,codec", i);
+ if (!rockchip_dailinks[i].codec_of_node) {
+ dev_err(&pdev->dev,
+ "Property[%d] 'rockchip,codec' missing or invalid\n", i);
+ return -EINVAL;
+ }
+ }
+
+ /**
+ * To acquire the spi driver of the rt5514 and set the dai-links names
+ * for soc_bind_dai_link
+ */
+ drv = driver_find("rt5514", &spi_bus_type);
+ if (!drv) {
+ dev_err(&pdev->dev, "Can not find the rt5514 driver at the spi bus\n");
+ return -EINVAL;
+ }
+
+ dev = driver_find_device(drv, NULL, NULL, rockchip_sound_match_stub);
+ if (!dev) {
+ dev_err(&pdev->dev, "Can not find the rt5514 device\n");
+ return -ENODEV;
+ }
+
+ /* 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);
projects / cascardo / linux.git / commitdiff