sound/soc/samsung/lowland.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 //
   3 // Lowland audio support
   4 //
   5 // Copyright 2011 Wolfson Microelectronics
   6
   7 #include <sound/soc.h>
   8 #include <sound/soc-dapm.h>
   9 #include <sound/jack.h>
  10 #include <linux/gpio.h>
  11 #include <linux/module.h>
  12
  13 #include "../codecs/wm5100.h"
  14 #include "../codecs/wm9081.h"
  15
  16 #define MCLK1_RATE (44100 * 512)
  17 #define CLKOUT_RATE (44100 * 256)
  18
  19 static struct snd_soc_jack lowland_headset;
  20
  21 /* Headset jack detection DAPM pins */
  22 static struct snd_soc_jack_pin lowland_headset_pins[] = {
  23         {
  24                 .pin = "Headphone",
  25                 .mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
  26         },
  27         {
  28                 .pin = "Headset Mic",
  29                 .mask = SND_JACK_MICROPHONE,
  30         },
  31 };
  32
  33 static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
  34 {
  35         struct snd_soc_component *component = rtd->codec_dai->component;
  36         int ret;
  37
  38         ret = snd_soc_component_set_sysclk(component, WM5100_CLK_SYSCLK,
  39                                        WM5100_CLKSRC_MCLK1, MCLK1_RATE,
  40                                        SND_SOC_CLOCK_IN);
  41         if (ret < 0) {
  42                 pr_err("Failed to set SYSCLK clock source: %d\n", ret);
  43                 return ret;
  44         }
  45
  46         /* Clock OPCLK, used by the other audio components. */
  47         ret = snd_soc_component_set_sysclk(component, WM5100_CLK_OPCLK, 0,
  48                                        CLKOUT_RATE, 0);
  49         if (ret < 0) {
  50                 pr_err("Failed to set OPCLK rate: %d\n", ret);
  51                 return ret;
  52         }
  53
  54         ret = snd_soc_card_jack_new(rtd->card, "Headset", SND_JACK_LINEOUT |
  55                                     SND_JACK_HEADSET | SND_JACK_BTN_0,
  56                                     &lowland_headset, lowland_headset_pins,
  57                                     ARRAY_SIZE(lowland_headset_pins));
  58         if (ret)
  59                 return ret;
  60
  61         wm5100_detect(component, &lowland_headset);
  62
  63         return 0;
  64 }
  65
  66 static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
  67 {
  68         struct snd_soc_component *component = rtd->codec_dai->component;
  69
  70         snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT");
  71
  72         /* At any time the WM9081 is active it will have this clock */
  73         return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,
  74                                         CLKOUT_RATE, 0);
  75 }
  76
  77 static const struct snd_soc_pcm_stream sub_params = {
  78         .formats = SNDRV_PCM_FMTBIT_S32_LE,
  79         .rate_min = 44100,
  80         .rate_max = 44100,
  81         .channels_min = 2,
  82         .channels_max = 2,
  83 };
  84
  85 SND_SOC_DAILINK_DEFS(cpu,
  86         DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
  87         DAILINK_COMP_ARRAY(COMP_CODEC("wm5100.1-001a", "wm5100-aif1")),
  88         DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
  89
  90 SND_SOC_DAILINK_DEFS(baseband,
  91         DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif2")),
  92         DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
  93
  94 SND_SOC_DAILINK_DEFS(speaker,
  95         DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif3")),
  96         DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
  97
  98 static struct snd_soc_dai_link lowland_dai[] = {
  99         {
 100                 .name = "CPU",
 101                 .stream_name = "CPU",
 102                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 103                                 SND_SOC_DAIFMT_CBM_CFM,
 104                 .init = lowland_wm5100_init,
 105                 SND_SOC_DAILINK_REG(cpu),
 106         },
 107         {
 108                 .name = "Baseband",
 109                 .stream_name = "Baseband",
 110                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 111                                 SND_SOC_DAIFMT_CBM_CFM,
 112                 .ignore_suspend = 1,
 113                 SND_SOC_DAILINK_REG(baseband),
 114         },
 115         {
 116                 .name = "Sub Speaker",
 117                 .stream_name = "Sub Speaker",
 118                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 119                                 SND_SOC_DAIFMT_CBM_CFM,
 120                 .ignore_suspend = 1,
 121                 .params = &sub_params,
 122                 .init = lowland_wm9081_init,
 123                 SND_SOC_DAILINK_REG(speaker),
 124         },
 125 };
 126
 127 static struct snd_soc_codec_conf lowland_codec_conf[] = {
 128         {
 129                 .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
 130                 .name_prefix = "Sub",
 131         },
 132 };
 133
 134 static const struct snd_kcontrol_new controls[] = {
 135         SOC_DAPM_PIN_SWITCH("Main Speaker"),
 136         SOC_DAPM_PIN_SWITCH("Main DMIC"),
 137         SOC_DAPM_PIN_SWITCH("Main AMIC"),
 138         SOC_DAPM_PIN_SWITCH("WM1250 Input"),
 139         SOC_DAPM_PIN_SWITCH("WM1250 Output"),
 140         SOC_DAPM_PIN_SWITCH("Headphone"),
 141 };
 142
 143 static struct snd_soc_dapm_widget widgets[] = {
 144         SND_SOC_DAPM_HP("Headphone", NULL),
 145         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 146
 147         SND_SOC_DAPM_SPK("Main Speaker", NULL),
 148
 149         SND_SOC_DAPM_MIC("Main AMIC", NULL),
 150         SND_SOC_DAPM_MIC("Main DMIC", NULL),
 151 };
 152
 153 static struct snd_soc_dapm_route audio_paths[] = {
 154         { "Sub IN1", NULL, "HPOUT2L" },
 155         { "Sub IN2", NULL, "HPOUT2R" },
 156
 157         { "Main Speaker", NULL, "Sub SPKN" },
 158         { "Main Speaker", NULL, "Sub SPKP" },
 159         { "Main Speaker", NULL, "SPKDAT1" },
 160 };
 161
 162 static struct snd_soc_card lowland = {
 163         .name = "Lowland",
 164         .owner = THIS_MODULE,
 165         .dai_link = lowland_dai,
 166         .num_links = ARRAY_SIZE(lowland_dai),
 167         .codec_conf = lowland_codec_conf,
 168         .num_configs = ARRAY_SIZE(lowland_codec_conf),
 169
 170         .controls = controls,
 171         .num_controls = ARRAY_SIZE(controls),
 172         .dapm_widgets = widgets,
 173         .num_dapm_widgets = ARRAY_SIZE(widgets),
 174         .dapm_routes = audio_paths,
 175         .num_dapm_routes = ARRAY_SIZE(audio_paths),
 176 };
 177
 178 static int lowland_probe(struct platform_device *pdev)
 179 {
 180         struct snd_soc_card *card = &lowland;
 181         int ret;
 182
 183         card->dev = &pdev->dev;
 184
 185         ret = devm_snd_soc_register_card(&pdev->dev, card);
 186         if (ret)
 187                 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 188                         ret);
 189
 190         return ret;
 191 }
 192
 193 static struct platform_driver lowland_driver = {
 194         .driver = {
 195                 .name = "lowland",
 196                 .pm = &snd_soc_pm_ops,
 197         },
 198         .probe = lowland_probe,
 199 };
 200
 201 module_platform_driver(lowland_driver);
 202
 203 MODULE_DESCRIPTION("Lowland audio support");
 204 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 205 MODULE_LICENSE("GPL");
 206 MODULE_ALIAS("platform:lowland");