linux/sound/soc/rockchip/rockchip_max98090.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
   4 *
   5 * Copyright (c) 2014, ROCKCHIP CORPORATION.  All rights reserved.
   6 */
   7
   8#include <linux/module.h>
   9#include <linux/platform_device.h>
  10#include <linux/slab.h>
  11#include <linux/gpio.h>
  12#include <linux/of_gpio.h>
  13#include <sound/core.h>
  14#include <sound/jack.h>
  15#include <sound/pcm.h>
  16#include <sound/pcm_params.h>
  17#include <sound/soc.h>
  18
  19#include "rockchip_i2s.h"
  20#include "../codecs/ts3a227e.h"
  21
  22#define DRV_NAME "rockchip-snd-max98090"
  23
  24static struct snd_soc_jack headset_jack;
  25
  26/* Headset jack detection DAPM pins */
  27static struct snd_soc_jack_pin headset_jack_pins[] = {
  28        {
  29                .pin = "Headphone",
  30                .mask = SND_JACK_HEADPHONE,
  31        },
  32        {
  33                .pin = "Headset Mic",
  34                .mask = SND_JACK_MICROPHONE,
  35        },
  36
  37};
  38
  39static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
  40        SND_SOC_DAPM_HP("Headphone", NULL),
  41        SND_SOC_DAPM_MIC("Headset Mic", NULL),
  42        SND_SOC_DAPM_MIC("Int Mic", NULL),
  43        SND_SOC_DAPM_SPK("Speaker", NULL),
  44};
  45
  46static const struct snd_soc_dapm_route rk_audio_map[] = {
  47        {"IN34", NULL, "Headset Mic"},
  48        {"IN34", NULL, "MICBIAS"},
  49        {"Headset Mic", NULL, "MICBIAS"},
  50        {"DMICL", NULL, "Int Mic"},
  51        {"Headphone", NULL, "HPL"},
  52        {"Headphone", NULL, "HPR"},
  53        {"Speaker", NULL, "SPKL"},
  54        {"Speaker", NULL, "SPKR"},
  55};
  56
  57static const struct snd_kcontrol_new rk_mc_controls[] = {
  58        SOC_DAPM_PIN_SWITCH("Headphone"),
  59        SOC_DAPM_PIN_SWITCH("Headset Mic"),
  60        SOC_DAPM_PIN_SWITCH("Int Mic"),
  61        SOC_DAPM_PIN_SWITCH("Speaker"),
  62};
  63
  64static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
  65                             struct snd_pcm_hw_params *params)
  66{
  67        int ret = 0;
  68        struct snd_soc_pcm_runtime *rtd = substream->private_data;
  69        struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
  70        struct snd_soc_dai *codec_dai = rtd->codec_dai;
  71        int mclk;
  72
  73        switch (params_rate(params)) {
  74        case 8000:
  75        case 16000:
  76        case 24000:
  77        case 32000:
  78        case 48000:
  79        case 64000:
  80        case 96000:
  81                mclk = 12288000;
  82                break;
  83        case 11025:
  84        case 22050:
  85        case 44100:
  86        case 88200:
  87                mclk = 11289600;
  88                break;
  89        default:
  90                return -EINVAL;
  91        }
  92
  93        ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
  94                                     SND_SOC_CLOCK_OUT);
  95        if (ret < 0) {
  96                dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
  97                return ret;
  98        }
  99
 100        ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 101                                     SND_SOC_CLOCK_IN);
 102        if (ret < 0) {
 103                dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 104                return ret;
 105        }
 106
 107        return ret;
 108}
 109
 110static const struct snd_soc_ops rk_aif1_ops = {
 111        .hw_params = rk_aif1_hw_params,
 112};
 113
 114static struct snd_soc_dai_link rk_dailink = {
 115        .name = "max98090",
 116        .stream_name = "Audio",
 117        .codec_dai_name = "HiFi",
 118        .ops = &rk_aif1_ops,
 119        /* set max98090 as slave */
 120        .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 121                SND_SOC_DAIFMT_CBS_CFS,
 122};
 123
 124static int rk_98090_headset_init(struct snd_soc_component *component);
 125
 126static struct snd_soc_aux_dev rk_98090_headset_dev = {
 127        .name = "Headset Chip",
 128        .init = rk_98090_headset_init,
 129};
 130
 131static struct snd_soc_card snd_soc_card_rk = {
 132        .name = "ROCKCHIP-I2S",
 133        .owner = THIS_MODULE,
 134        .dai_link = &rk_dailink,
 135        .num_links = 1,
 136        .aux_dev = &rk_98090_headset_dev,
 137        .num_aux_devs = 1,
 138        .dapm_widgets = rk_dapm_widgets,
 139        .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
 140        .dapm_routes = rk_audio_map,
 141        .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
 142        .controls = rk_mc_controls,
 143        .num_controls = ARRAY_SIZE(rk_mc_controls),
 144};
 145
 146static int rk_98090_headset_init(struct snd_soc_component *component)
 147{
 148        int ret;
 149
 150        /* Enable Headset and 4 Buttons Jack detection */
 151        ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
 152                                    SND_JACK_HEADSET |
 153                                    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 154                                    SND_JACK_BTN_2 | SND_JACK_BTN_3,
 155                                    &headset_jack,
 156                                    headset_jack_pins,
 157                                    ARRAY_SIZE(headset_jack_pins));
 158        if (ret)
 159                return ret;
 160
 161        ret = ts3a227e_enable_jack_detect(component, &headset_jack);
 162
 163        return ret;
 164}
 165
 166static int snd_rk_mc_probe(struct platform_device *pdev)
 167{
 168        int ret = 0;
 169        struct snd_soc_card *card = &snd_soc_card_rk;
 170        struct device_node *np = pdev->dev.of_node;
 171
 172        /* register the soc card */
 173        card->dev = &pdev->dev;
 174
 175        rk_dailink.codec_of_node = of_parse_phandle(np,
 176                        "rockchip,audio-codec", 0);
 177        if (!rk_dailink.codec_of_node) {
 178                dev_err(&pdev->dev,
 179                        "Property 'rockchip,audio-codec' missing or invalid\n");
 180                return -EINVAL;
 181        }
 182
 183        rk_dailink.cpu_of_node = of_parse_phandle(np,
 184                        "rockchip,i2s-controller", 0);
 185        if (!rk_dailink.cpu_of_node) {
 186                dev_err(&pdev->dev,
 187                        "Property 'rockchip,i2s-controller' missing or invalid\n");
 188                return -EINVAL;
 189        }
 190
 191        rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
 192
 193        rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
 194                        "rockchip,headset-codec", 0);
 195        if (!rk_98090_headset_dev.codec_of_node) {
 196                dev_err(&pdev->dev,
 197                        "Property 'rockchip,headset-codec' missing/invalid\n");
 198                return -EINVAL;
 199        }
 200
 201        ret = snd_soc_of_parse_card_name(card, "rockchip,model");
 202        if (ret) {
 203                dev_err(&pdev->dev,
 204                        "Soc parse card name failed %d\n", ret);
 205                return ret;
 206        }
 207
 208        ret = devm_snd_soc_register_card(&pdev->dev, card);
 209        if (ret) {
 210                dev_err(&pdev->dev,
 211                        "Soc register card failed %d\n", ret);
 212                return ret;
 213        }
 214
 215        return ret;
 216}
 217
 218static const struct of_device_id rockchip_max98090_of_match[] = {
 219        { .compatible = "rockchip,rockchip-audio-max98090", },
 220        {},
 221};
 222
 223MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
 224
 225static struct platform_driver snd_rk_mc_driver = {
 226        .probe = snd_rk_mc_probe,
 227        .driver = {
 228                .name = DRV_NAME,
 229                .pm = &snd_soc_pm_ops,
 230                .of_match_table = rockchip_max98090_of_match,
 231        },
 232};
 233
 234module_platform_driver(snd_rk_mc_driver);
 235
 236MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
 237MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
 238MODULE_LICENSE("GPL v2");
 239MODULE_ALIAS("platform:" DRV_NAME);
 240