sound/soc/rockchip/rockchip_max98090.c

   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
  24 static struct snd_soc_jack headset_jack;
  25
  26 /* Headset jack detection DAPM pins */
  27 static 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
  39 static 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
  46 static const struct snd_soc_dapm_route rk_audio_map[] = {
  47         {"IN34", NULL, "Headset Mic"},
  48         {"Headset Mic", NULL, "MICBIAS"},
  49         {"DMICL", NULL, "Int Mic"},
  50         {"Headphone", NULL, "HPL"},
  51         {"Headphone", NULL, "HPR"},
  52         {"Speaker", NULL, "SPKL"},
  53         {"Speaker", NULL, "SPKR"},
  54 };
  55
  56 static const struct snd_kcontrol_new rk_mc_controls[] = {
  57         SOC_DAPM_PIN_SWITCH("Headphone"),
  58         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  59         SOC_DAPM_PIN_SWITCH("Int Mic"),
  60         SOC_DAPM_PIN_SWITCH("Speaker"),
  61 };
  62
  63 static int rk_jack_event(struct notifier_block *nb, unsigned long event,
  64                          void *data)
  65 {
  66         struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
  67         struct snd_soc_dapm_context *dapm = &jack->card->dapm;
  68
  69         if (event & SND_JACK_MICROPHONE)
  70                 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
  71         else
  72                 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
  73
  74         snd_soc_dapm_sync(dapm);
  75
  76         return 0;
  77 }
  78
  79 static struct notifier_block rk_jack_nb = {
  80         .notifier_call = rk_jack_event,
  81 };
  82
  83 static int rk_init(struct snd_soc_pcm_runtime *runtime)
  84 {
  85         /*
  86          * The jack has already been created in the rk_98090_headset_init()
  87          * function.
  88          */
  89         snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);
  90
  91         return 0;
  92 }
  93
  94 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
  95                              struct snd_pcm_hw_params *params)
  96 {
  97         int ret = 0;
  98         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  99         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 100         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 101         int mclk;
 102
 103         switch (params_rate(params)) {
 104         case 8000:
 105         case 16000:
 106         case 24000:
 107         case 32000:
 108         case 48000:
 109         case 64000:
 110         case 96000:
 111                 mclk = 12288000;
 112                 break;
 113         case 11025:
 114         case 22050:
 115         case 44100:
 116         case 88200:
 117                 mclk = 11289600;
 118                 break;
 119         default:
 120                 return -EINVAL;
 121         }
 122
 123         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 124                                      SND_SOC_CLOCK_OUT);
 125         if (ret < 0) {
 126                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 127                 return ret;
 128         }
 129
 130         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 131                                      SND_SOC_CLOCK_IN);
 132         if (ret < 0) {
 133                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 134                 return ret;
 135         }
 136
 137         return ret;
 138 }
 139
 140 static const struct snd_soc_ops rk_aif1_ops = {
 141         .hw_params = rk_aif1_hw_params,
 142 };
 143
 144 SND_SOC_DAILINK_DEFS(hifi,
 145         DAILINK_COMP_ARRAY(COMP_EMPTY()),
 146         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
 147         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 148
 149 static struct snd_soc_dai_link rk_dailink = {
 150         .name = "max98090",
 151         .stream_name = "Audio",
 152         .init = rk_init,
 153         .ops = &rk_aif1_ops,
 154         /* set max98090 as slave */
 155         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 156                 SND_SOC_DAIFMT_CBS_CFS,
 157         SND_SOC_DAILINK_REG(hifi),
 158 };
 159
 160 static int rk_98090_headset_init(struct snd_soc_component *component);
 161
 162 static struct snd_soc_aux_dev rk_98090_headset_dev = {
 163         .name = "Headset Chip",
 164         .init = rk_98090_headset_init,
 165 };
 166
 167 static struct snd_soc_card snd_soc_card_rk = {
 168         .name = "ROCKCHIP-I2S",
 169         .owner = THIS_MODULE,
 170         .dai_link = &rk_dailink,
 171         .num_links = 1,
 172         .aux_dev = &rk_98090_headset_dev,
 173         .num_aux_devs = 1,
 174         .dapm_widgets = rk_dapm_widgets,
 175         .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
 176         .dapm_routes = rk_audio_map,
 177         .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
 178         .controls = rk_mc_controls,
 179         .num_controls = ARRAY_SIZE(rk_mc_controls),
 180 };
 181
 182 static int rk_98090_headset_init(struct snd_soc_component *component)
 183 {
 184         int ret;
 185
 186         /* Enable Headset and 4 Buttons Jack detection */
 187         ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
 188                                     SND_JACK_HEADSET |
 189                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 190                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 191                                     &headset_jack,
 192                                     headset_jack_pins,
 193                                     ARRAY_SIZE(headset_jack_pins));
 194         if (ret)
 195                 return ret;
 196
 197         ret = ts3a227e_enable_jack_detect(component, &headset_jack);
 198
 199         return ret;
 200 }
 201
 202 static int snd_rk_mc_probe(struct platform_device *pdev)
 203 {
 204         int ret = 0;
 205         struct snd_soc_card *card = &snd_soc_card_rk;
 206         struct device_node *np = pdev->dev.of_node;
 207
 208         /* register the soc card */
 209         card->dev = &pdev->dev;
 210
 211         rk_dailink.codecs->of_node = of_parse_phandle(np,
 212                         "rockchip,audio-codec", 0);
 213         if (!rk_dailink.codecs->of_node) {
 214                 dev_err(&pdev->dev,
 215                         "Property 'rockchip,audio-codec' missing or invalid\n");
 216                 return -EINVAL;
 217         }
 218
 219         rk_dailink.cpus->of_node = of_parse_phandle(np,
 220                         "rockchip,i2s-controller", 0);
 221         if (!rk_dailink.cpus->of_node) {
 222                 dev_err(&pdev->dev,
 223                         "Property 'rockchip,i2s-controller' missing or invalid\n");
 224                 return -EINVAL;
 225         }
 226
 227         rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
 228
 229         rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
 230                         "rockchip,headset-codec", 0);
 231         if (!rk_98090_headset_dev.codec_of_node) {
 232                 dev_err(&pdev->dev,
 233                         "Property 'rockchip,headset-codec' missing/invalid\n");
 234                 return -EINVAL;
 235         }
 236
 237         ret = snd_soc_of_parse_card_name(card, "rockchip,model");
 238         if (ret) {
 239                 dev_err(&pdev->dev,
 240                         "Soc parse card name failed %d\n", ret);
 241                 return ret;
 242         }
 243
 244         ret = devm_snd_soc_register_card(&pdev->dev, card);
 245         if (ret) {
 246                 dev_err(&pdev->dev,
 247                         "Soc register card failed %d\n", ret);
 248                 return ret;
 249         }
 250
 251         return ret;
 252 }
 253
 254 static const struct of_device_id rockchip_max98090_of_match[] = {
 255         { .compatible = "rockchip,rockchip-audio-max98090", },
 256         {},
 257 };
 258
 259 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
 260
 261 static struct platform_driver snd_rk_mc_driver = {
 262         .probe = snd_rk_mc_probe,
 263         .driver = {
 264                 .name = DRV_NAME,
 265                 .pm = &snd_soc_pm_ops,
 266                 .of_match_table = rockchip_max98090_of_match,
 267         },
 268 };
 269
 270 module_platform_driver(snd_rk_mc_driver);
 271
 272 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
 273 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
 274 MODULE_LICENSE("GPL v2");
 275 MODULE_ALIAS("platform:" DRV_NAME);