--- /dev/null
+/*
+ * rockchip_rt5651_tc358749x.c -- RK3399 machine driver with
+ * RT5651/TC358749 codecs
+ *
+ * Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved.
+ * Author: Xiaotan Luo <lxt@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#include <linux/module.h>
+#include <sound/soc.h>
+
+#include "rockchip_i2s.h"
+#include "../codecs/rt5651.h"
+#include "../codecs/tc358749x.h"
+
+#define DRV_NAME "rk3399-rt5651-tc358749x"
+
+static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphones", NULL),
+ SND_SOC_DAPM_SPK("Lineout", 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[] = {
+ {"Headphones", NULL, "HPOL"},
+ {"Headphones", NULL, "HPOR"},
+ {"Lineout", NULL, "LOUTL"},
+ {"Lineout", NULL, "LOUTR"},
+};
+
+static const struct snd_kcontrol_new rockchip_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphones"),
+ SOC_DAPM_PIN_SWITCH("Lineout"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
+};
+
+static int rockchip_rt5651_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;
+ }
+
+ return 0;
+}
+
+static int rockchip_rt5651_voice_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 *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;
+ }
+
+ /*Set the system clk for codec*/
+ snd_soc_dai_set_pll(codec_dai, 0, RT5651_PLL1_S_MCLK, mclk, 24576000);
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1, 24576000,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
+static struct snd_soc_ops rockchip_sound_rt5651_hifi_ops = {
+ .hw_params = rockchip_rt5651_hw_params,
+};
+
+static struct snd_soc_ops rockchip_sound_rt5651_voice_ops = {
+ .hw_params = rockchip_rt5651_voice_hw_params,
+};
+
+enum {
+ DAILINK_RT5651_HIFI,
+ DAILINK_RT5651_VOICE,
+ DAILINK_TC358749_HDMIIN,
+};
+
+#define DAILINK_ENTITIES (DAILINK_TC358749_HDMIIN + 1)
+
+static struct snd_soc_dai_link rockchip_dailinks[] = {
+ [DAILINK_RT5651_HIFI] = {
+ .name = "RT5651 HIFI",
+ .stream_name = "RT5651 PCM",
+ .codec_dai_name = "rt5651-aif1",
+ .ops = &rockchip_sound_rt5651_hifi_ops,
+ /* set rt5651 as slave */
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ },
+ [DAILINK_RT5651_VOICE] = {
+ .name = "RT5651 HDMIIN",
+ .stream_name = "RT5651 PCM",
+ .codec_dai_name = "rt5651-aif2",
+ .ops = &rockchip_sound_rt5651_voice_ops,
+ /* set rt5651 as slave */
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ },
+ [DAILINK_TC358749_HDMIIN] = {
+ .name = "TC358749 HDMIIN",
+ .stream_name = "TC358749 PCM",
+ .codec_dai_name = "tc358749x-audio",
+ },
+};
+
+static struct snd_soc_card rockchip_sound_card = {
+ .name = "realtekrt5651codec_hdmiin",
+ .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_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &rockchip_sound_card;
+ struct device_node *cpu_node;
+ int i, ret;
+
+ dev_info(&pdev->dev, "%s\n", __func__);
+
+ cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0);
+ if (!cpu_node) {
+ dev_err(&pdev->dev,
+ "Property 'rockchip,cpu' failed\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' failed\n", i);
+ return -EINVAL;
+ }
+ }
+
+ 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 register card failed %d\n",
+ __func__, ret);
+
+ dev_info(&pdev->dev, "snd_soc_register_card successful\n");
+ return ret;
+}
+
+static const struct of_device_id rockchip_sound_of_match[] = {
+ { .compatible = "rockchip,rockchip-rt5651-tc358749x-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("Xiaotan Luo <lxt@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);