246 lines
6.3 KiB
C
246 lines
6.3 KiB
C
/*
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* rockchip_rt5651.c -- RK3399 machine driver with RT5651 codecs
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*
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* Copyright (c) 2016, Rockchip Electronics Co., Ltd. All rights reserved.
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* Author: Xiaotan Luo <lxt@rock-chips.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/module.h>
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#include <sound/soc.h>
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#include "rockchip_i2s.h"
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#include "../codecs/rt5651.h"
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#define DRV_NAME "rockchip-rt5651"
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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("Lineout", 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_MIC("HDMIIN", NULL),
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};
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static const struct snd_soc_dapm_route rockchip_dapm_routes[] = {
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{"Headphones", NULL, "HPOL"},
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{"Headphones", NULL, "HPOR"},
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{"Lineout", NULL, "LOUTL"},
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{"Lineout", NULL, "LOUTR"},
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{"AIF2 Playback", NULL, "HDMIIN"},
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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("Lineout"),
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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_rt5651_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, 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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snd_soc_dai_set_pll(codec_dai, 0, RT5651_PLL1_S_MCLK, mclk, mclk * 2);
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ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1, mclk * 2,
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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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return 0;
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}
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static int rockchip_rt5651_voice_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 *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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/*Set the system clk for codec*/
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snd_soc_dai_set_pll(codec_dai, 0, RT5651_PLL1_S_MCLK, mclk, 24576000);
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ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1, 24576000,
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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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return 0;
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}
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static struct snd_soc_ops rockchip_sound_rt5651_hifi_ops = {
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.hw_params = rockchip_rt5651_hw_params,
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};
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static struct snd_soc_ops rockchip_sound_rt5651_voice_ops = {
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.hw_params = rockchip_rt5651_voice_hw_params,
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};
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enum {
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DAILINK_RT5651_HIFI,
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DAILINK_RT5651_VOICE,
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DAILINK_RT5651_MAX
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};
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static struct snd_soc_dai_link rockchip_dailinks[] = {
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[DAILINK_RT5651_HIFI] = {
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.name = "RT5651 HIFI",
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.stream_name = "RT5651 PCM",
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.codec_dai_name = "rt5651-aif1",
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.ops = &rockchip_sound_rt5651_hifi_ops,
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/* set rt5651 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_RT5651_VOICE] = {
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.name = "RT5651 HDMIIN",
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.stream_name = "RT5651 PCM",
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.codec_dai_name = "rt5651-aif2",
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.ops = &rockchip_sound_rt5651_voice_ops,
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/* set rt5651 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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};
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static struct snd_soc_card rockchip_sound_card = {
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.name = "realtekrt5651codec_hdmiin",
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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_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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int i, ret;
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dev_info(&pdev->dev, "%s\n", __func__);
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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,
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"Property 'rockchip,cpu' failed\n");
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return -EINVAL;
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}
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for (i = 0; i < DAILINK_RT5651_MAX; 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,
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"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' failed\n", i);
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return -EINVAL;
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}
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}
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card->dev = &pdev->dev;
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platform_set_drvdata(pdev, card);
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ret = devm_snd_soc_register_card(&pdev->dev, card);
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if (ret)
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dev_err(&pdev->dev, "%s register card failed %d\n",
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__func__, ret);
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dev_info(&pdev->dev, "snd_soc_register_card successful\n");
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return ret;
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}
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static const struct of_device_id rockchip_sound_of_match[] = {
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{ .compatible = "rockchip,rockchip-rt5651-sound", },
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{},
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};
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static struct platform_driver rockchip_sound_driver = {
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.probe = rockchip_sound_probe,
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.driver = {
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.name = DRV_NAME,
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.of_match_table = rockchip_sound_of_match,
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#ifdef CONFIG_PM
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.pm = &snd_soc_pm_ops,
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#endif
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},
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};
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module_platform_driver(rockchip_sound_driver);
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MODULE_AUTHOR("Xiaotan Luo <lxt@rock-chips.com>");
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MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("platform:" DRV_NAME);
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MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);
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