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         {"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
  57 static 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
  64 static 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
 110 static const struct snd_soc_ops rk_aif1_ops = {
 111         .hw_params = rk_aif1_hw_params,
 112 };
 113
 114 static 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
 124 static int rk_98090_headset_init(struct snd_soc_component *component);
 125
 126 static struct snd_soc_aux_dev rk_98090_headset_dev = {
 127         .name = "Headset Chip",
 128         .init = rk_98090_headset_init,
 129 };
 130
 131 static 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
 146 static 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
 166 static 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
 218 static const struct of_device_id rockchip_max98090_of_match[] = {
 219         { .compatible = "rockchip,rockchip-audio-max98090", },
 220         {},
 221 };
 222
 223 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
 224
 225 static 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
 234 module_platform_driver(snd_rk_mc_driver);
 235
 236 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
 237 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
 238 MODULE_LICENSE("GPL v2");
 239 MODULE_ALIAS("platform:" DRV_NAME);