/* * rockchip_rt5651.c -- RK3399 machine driver with RT5651 codecs * * Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved. * Author: Xiaotan Luo * * 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 #include #include "rockchip_i2s.h" #include "../codecs/rt5651.h" #define DRV_NAME "rockchip-rt5651" 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), SND_SOC_DAPM_MIC("HDMIIN", NULL), }; static const struct snd_soc_dapm_route rockchip_dapm_routes[] = { {"Headphones", NULL, "HPOL"}, {"Headphones", NULL, "HPOR"}, {"Lineout", NULL, "LOUTL"}, {"Lineout", NULL, "LOUTR"}, {"AIF2 Playback", NULL, "HDMIIN"}, }; 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; } snd_soc_dai_set_pll(codec_dai, 0, RT5651_PLL1_S_MCLK, mclk, mclk * 2); ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1, mclk * 2, 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_RT5651_MAX }; 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, }, }; 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_RT5651_MAX; 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-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 "); MODULE_DESCRIPTION("Rockchip ASoC Machine Driver"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:" DRV_NAME); MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);