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                 snd_soc_dapm_force_enable_pin(dapm, "SHDN");
  72         } else {
  73                 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
  74                 snd_soc_dapm_disable_pin(dapm, "SHDN");
  75         }
  76
  77         snd_soc_dapm_sync(dapm);
  78
  79         return 0;
  80 }
  81
  82 static struct notifier_block rk_jack_nb = {
  83         .notifier_call = rk_jack_event,
  84 };
  85
  86 static int rk_init(struct snd_soc_pcm_runtime *runtime)
  87 {
  88         /*
  89          * The jack has already been created in the rk_98090_headset_init()
  90          * function.
  91          */
  92         snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);
  93
  94         return 0;
  95 }
  96
  97 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
  98                              struct snd_pcm_hw_params *params)
  99 {
 100         int ret = 0;
 101         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 102         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 103         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 104         int mclk;
 105
 106         switch (params_rate(params)) {
 107         case 8000:
 108         case 16000:
 109         case 24000:
 110         case 32000:
 111         case 48000:
 112         case 64000:
 113         case 96000:
 114                 mclk = 12288000;
 115                 break;
 116         case 11025:
 117         case 22050:
 118         case 44100:
 119         case 88200:
 120                 mclk = 11289600;
 121                 break;
 122         default:
 123                 return -EINVAL;
 124         }
 125
 126         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 127                                      SND_SOC_CLOCK_OUT);
 128         if (ret < 0) {
 129                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 130                 return ret;
 131         }
 132
 133         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 134                                      SND_SOC_CLOCK_IN);
 135         if (ret < 0) {
 136                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 137                 return ret;
 138         }
 139
 140         return ret;
 141 }
 142
 143 static int rk_aif1_startup(struct snd_pcm_substream *substream)
 144 {
 145         /*
 146          * Set period size to 240 because pl330 has issue
 147          * dealing with larger period in stress testing.
 148          */
 149         return snd_pcm_hw_constraint_minmax(substream->runtime,
 150                         SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240);
 151 }
 152
 153 static const struct snd_soc_ops rk_aif1_ops = {
 154         .hw_params = rk_aif1_hw_params,
 155         .startup = rk_aif1_startup,
 156 };
 157
 158 SND_SOC_DAILINK_DEFS(hifi,
 159         DAILINK_COMP_ARRAY(COMP_EMPTY()),
 160         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
 161         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 162
 163 static struct snd_soc_dai_link rk_dailink = {
 164         .name = "max98090",
 165         .stream_name = "Audio",
 166         .init = rk_init,
 167         .ops = &rk_aif1_ops,
 168         /* set max98090 as slave */
 169         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 170                 SND_SOC_DAIFMT_CBS_CFS,
 171         SND_SOC_DAILINK_REG(hifi),
 172 };
 173
 174 static int rk_98090_headset_init(struct snd_soc_component *component);
 175
 176 static struct snd_soc_aux_dev rk_98090_headset_dev = {
 177         .dlc = COMP_EMPTY(),
 178         .init = rk_98090_headset_init,
 179 };
 180
 181 static struct snd_soc_card snd_soc_card_rk = {
 182         .name = "ROCKCHIP-I2S",
 183         .owner = THIS_MODULE,
 184         .dai_link = &rk_dailink,
 185         .num_links = 1,
 186         .aux_dev = &rk_98090_headset_dev,
 187         .num_aux_devs = 1,
 188         .dapm_widgets = rk_dapm_widgets,
 189         .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
 190         .dapm_routes = rk_audio_map,
 191         .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
 192         .controls = rk_mc_controls,
 193         .num_controls = ARRAY_SIZE(rk_mc_controls),
 194 };
 195
 196 static int rk_98090_headset_init(struct snd_soc_component *component)
 197 {
 198         int ret;
 199
 200         /* Enable Headset and 4 Buttons Jack detection */
 201         ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
 202                                     SND_JACK_HEADSET |
 203                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 204                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 205                                     &headset_jack,
 206                                     headset_jack_pins,
 207                                     ARRAY_SIZE(headset_jack_pins));
 208         if (ret)
 209                 return ret;
 210
 211         ret = ts3a227e_enable_jack_detect(component, &headset_jack);
 212
 213         return ret;
 214 }
 215
 216 static int snd_rk_mc_probe(struct platform_device *pdev)
 217 {
 218         int ret = 0;
 219         struct snd_soc_card *card = &snd_soc_card_rk;
 220         struct device_node *np = pdev->dev.of_node;
 221
 222         /* register the soc card */
 223         card->dev = &pdev->dev;
 224
 225         rk_dailink.codecs->of_node = of_parse_phandle(np,
 226                         "rockchip,audio-codec", 0);
 227         if (!rk_dailink.codecs->of_node) {
 228                 dev_err(&pdev->dev,
 229                         "Property 'rockchip,audio-codec' missing or invalid\n");
 230                 return -EINVAL;
 231         }
 232
 233         rk_dailink.cpus->of_node = of_parse_phandle(np,
 234                         "rockchip,i2s-controller", 0);
 235         if (!rk_dailink.cpus->of_node) {
 236                 dev_err(&pdev->dev,
 237                         "Property 'rockchip,i2s-controller' missing or invalid\n");
 238                 return -EINVAL;
 239         }
 240
 241         rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
 242
 243         rk_98090_headset_dev.dlc.of_node = of_parse_phandle(np,
 244                         "rockchip,headset-codec", 0);
 245         if (!rk_98090_headset_dev.dlc.of_node) {
 246                 dev_err(&pdev->dev,
 247                         "Property 'rockchip,headset-codec' missing/invalid\n");
 248                 return -EINVAL;
 249         }
 250
 251         ret = snd_soc_of_parse_card_name(card, "rockchip,model");
 252         if (ret) {
 253                 dev_err(&pdev->dev,
 254                         "Soc parse card name failed %d\n", ret);
 255                 return ret;
 256         }
 257
 258         ret = devm_snd_soc_register_card(&pdev->dev, card);
 259         if (ret) {
 260                 dev_err(&pdev->dev,
 261                         "Soc register card failed %d\n", ret);
 262                 return ret;
 263         }
 264
 265         return ret;
 266 }
 267
 268 static const struct of_device_id rockchip_max98090_of_match[] = {
 269         { .compatible = "rockchip,rockchip-audio-max98090", },
 270         {},
 271 };
 272
 273 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
 274
 275 static struct platform_driver snd_rk_mc_driver = {
 276         .probe = snd_rk_mc_probe,
 277         .driver = {
 278                 .name = DRV_NAME,
 279                 .pm = &snd_soc_pm_ops,
 280                 .of_match_table = rockchip_max98090_of_match,
 281         },
 282 };
 283
 284 module_platform_driver(snd_rk_mc_driver);
 285
 286 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
 287 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
 288 MODULE_LICENSE("GPL v2");
 289 MODULE_ALIAS("platform:" DRV_NAME);