sound/soc/rockchip/rockchip_max98090.c

   1 /*
   2  * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
   3  *
   4  * Copyright (c) 2014, ROCKCHIP CORPORATION.  All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include <linux/module.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/slab.h>
  23 #include <linux/gpio.h>
  24 #include <linux/of_gpio.h>
  25 #include <sound/core.h>
  26 #include <sound/jack.h>
  27 #include <sound/pcm.h>
  28 #include <sound/pcm_params.h>
  29 #include <sound/soc.h>
  30
  31 #include "rockchip_i2s.h"
  32 #include "../codecs/ts3a227e.h"
  33
  34 #define DRV_NAME "rockchip-snd-max98090"
  35
  36 static struct snd_soc_jack headset_jack;
  37 static struct snd_soc_jack_pin headset_jack_pins[] = {
  38         {
  39                 .pin = "Headset Jack",
  40                 .mask = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
  41                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  42                         SND_JACK_BTN_2 | SND_JACK_BTN_3,
  43         },
  44 };
  45
  46 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
  47         SND_SOC_DAPM_HP("Headphone", NULL),
  48         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  49         SND_SOC_DAPM_MIC("Int Mic", NULL),
  50         SND_SOC_DAPM_SPK("Speaker", NULL),
  51 };
  52
  53 static const struct snd_soc_dapm_route rk_audio_map[] = {
  54         {"IN34", NULL, "Headset Mic"},
  55         {"IN34", NULL, "MICBIAS"},
  56         {"MICBIAS", NULL, "Headset Mic"},
  57         {"DMICL", NULL, "Int Mic"},
  58         {"Headphone", NULL, "HPL"},
  59         {"Headphone", NULL, "HPR"},
  60         {"Speaker", NULL, "SPKL"},
  61         {"Speaker", NULL, "SPKR"},
  62 };
  63
  64 static const struct snd_kcontrol_new rk_mc_controls[] = {
  65         SOC_DAPM_PIN_SWITCH("Headphone"),
  66         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  67         SOC_DAPM_PIN_SWITCH("Int Mic"),
  68         SOC_DAPM_PIN_SWITCH("Speaker"),
  69 };
  70
  71 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
  72                              struct snd_pcm_hw_params *params)
  73 {
  74         int ret = 0;
  75         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  76         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
  77         struct snd_soc_dai *codec_dai = rtd->codec_dai;
  78         int mclk;
  79
  80         switch (params_rate(params)) {
  81         case 8000:
  82         case 16000:
  83         case 24000:
  84         case 32000:
  85         case 48000:
  86         case 64000:
  87         case 96000:
  88                 mclk = 12288000;
  89                 break;
  90         case 11025:
  91         case 22050:
  92         case 44100:
  93         case 88200:
  94                 mclk = 11289600;
  95                 break;
  96         default:
  97                 return -EINVAL;
  98         }
  99
 100         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 101                                      SND_SOC_CLOCK_OUT);
 102         if (ret < 0) {
 103                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 104                 return ret;
 105         }
 106
 107         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 108                                      SND_SOC_CLOCK_IN);
 109         if (ret < 0) {
 110                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 111                 return ret;
 112         }
 113
 114         return ret;
 115 }
 116
 117 static int rk_init(struct snd_soc_pcm_runtime *runtime)
 118 {
 119         /* Enable Headset and 4 Buttons Jack detection */
 120         return snd_soc_card_jack_new(runtime->card, "Headset Jack",
 121                                SND_JACK_HEADSET |
 122                                SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 123                                SND_JACK_BTN_2 | SND_JACK_BTN_3,
 124                                &headset_jack,
 125                                headset_jack_pins,
 126                                ARRAY_SIZE(headset_jack_pins));
 127 }
 128
 129 static int rk_98090_headset_init(struct snd_soc_component *component)
 130 {
 131         return ts3a227e_enable_jack_detect(component, &headset_jack);
 132 }
 133
 134 static struct snd_soc_ops rk_aif1_ops = {
 135         .hw_params = rk_aif1_hw_params,
 136 };
 137
 138 static struct snd_soc_aux_dev rk_98090_headset_dev = {
 139         .name = "Headset Chip",
 140         .init = rk_98090_headset_init,
 141 };
 142
 143 static struct snd_soc_dai_link rk_dailink = {
 144         .name = "max98090",
 145         .stream_name = "Audio",
 146         .codec_dai_name = "HiFi",
 147         .init = rk_init,
 148         .ops = &rk_aif1_ops,
 149         /* set max98090 as slave */
 150         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 151                 SND_SOC_DAIFMT_CBS_CFS,
 152 };
 153
 154 static struct snd_soc_card snd_soc_card_rk = {
 155         .name = "ROCKCHIP-I2S",
 156         .owner = THIS_MODULE,
 157         .dai_link = &rk_dailink,
 158         .num_links = 1,
 159         .aux_dev = &rk_98090_headset_dev,
 160         .num_aux_devs = 1,
 161         .dapm_widgets = rk_dapm_widgets,
 162         .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
 163         .dapm_routes = rk_audio_map,
 164         .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
 165         .controls = rk_mc_controls,
 166         .num_controls = ARRAY_SIZE(rk_mc_controls),
 167 };
 168
 169 static int snd_rk_mc_probe(struct platform_device *pdev)
 170 {
 171         int ret = 0;
 172         struct snd_soc_card *card = &snd_soc_card_rk;
 173         struct device_node *np = pdev->dev.of_node;
 174
 175         /* register the soc card */
 176         card->dev = &pdev->dev;
 177
 178         rk_dailink.codec_of_node = of_parse_phandle(np,
 179                         "rockchip,audio-codec", 0);
 180         if (!rk_dailink.codec_of_node) {
 181                 dev_err(&pdev->dev,
 182                         "Property 'rockchip,audio-codec' missing or invalid\n");
 183                 return -EINVAL;
 184         }
 185
 186         rk_dailink.cpu_of_node = of_parse_phandle(np,
 187                         "rockchip,i2s-controller", 0);
 188         if (!rk_dailink.cpu_of_node) {
 189                 dev_err(&pdev->dev,
 190                         "Property 'rockchip,i2s-controller' missing or invalid\n");
 191                 return -EINVAL;
 192         }
 193
 194         rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
 195
 196         rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
 197                         "rockchip,headset-codec", 0);
 198         if (!rk_98090_headset_dev.codec_of_node) {
 199                 dev_err(&pdev->dev,
 200                         "Property 'rockchip,headset-codec' missing/invalid\n");
 201                 return -EINVAL;
 202         }
 203
 204         ret = snd_soc_of_parse_card_name(card, "rockchip,model");
 205         if (ret) {
 206                 dev_err(&pdev->dev,
 207                         "Soc parse card name failed %d\n", ret);
 208                 return ret;
 209         }
 210
 211         ret = devm_snd_soc_register_card(&pdev->dev, card);
 212         if (ret) {
 213                 dev_err(&pdev->dev,
 214                         "Soc register card failed %d\n", ret);
 215                 return ret;
 216         }
 217
 218         return ret;
 219 }
 220
 221 static const struct of_device_id rockchip_max98090_of_match[] = {
 222         { .compatible = "rockchip,rockchip-audio-max98090", },
 223         {},
 224 };
 225
 226 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
 227
 228 static struct platform_driver snd_rk_mc_driver = {
 229         .probe = snd_rk_mc_probe,
 230         .driver = {
 231                 .name = DRV_NAME,
 232                 .pm = &snd_soc_pm_ops,
 233                 .of_match_table = rockchip_max98090_of_match,
 234         },
 235 };
 236
 237 module_platform_driver(snd_rk_mc_driver);
 238
 239 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
 240 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
 241 MODULE_LICENSE("GPL v2");
 242 MODULE_ALIAS("platform:" DRV_NAME);