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,
  26         },
  27         {
  28                 .pin = "Headset Mic",
  29                 .mask = SND_JACK_MICROPHONE,
  30         },
  31         {
  32                 .pin = "Line Out",
  33                 .mask = SND_JACK_LINEOUT,
  34         },
  35 };
  36
  37 static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
  38 {
  39         struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
  40         int ret;
  41
  42         ret = snd_soc_component_set_sysclk(component, WM5100_CLK_SYSCLK,
  43                                        WM5100_CLKSRC_MCLK1, MCLK1_RATE,
  44                                        SND_SOC_CLOCK_IN);
  45         if (ret < 0) {
  46                 pr_err("Failed to set SYSCLK clock source: %d\n", ret);
  47                 return ret;
  48         }
  49
  50         /* Clock OPCLK, used by the other audio components. */
  51         ret = snd_soc_component_set_sysclk(component, WM5100_CLK_OPCLK, 0,
  52                                        CLKOUT_RATE, 0);
  53         if (ret < 0) {
  54                 pr_err("Failed to set OPCLK rate: %d\n", ret);
  55                 return ret;
  56         }
  57
  58         ret = snd_soc_card_jack_new_pins(rtd->card, "Headset",
  59                                          SND_JACK_LINEOUT | SND_JACK_HEADSET |
  60                                          SND_JACK_BTN_0,
  61                                          &lowland_headset, lowland_headset_pins,
  62                                          ARRAY_SIZE(lowland_headset_pins));
  63         if (ret)
  64                 return ret;
  65
  66         wm5100_detect(component, &lowland_headset);
  67
  68         return 0;
  69 }
  70
  71 static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
  72 {
  73         struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
  74
  75         snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT");
  76
  77         /* At any time the WM9081 is active it will have this clock */
  78         return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,
  79                                         CLKOUT_RATE, 0);
  80 }
  81
  82 static const struct snd_soc_pcm_stream sub_params = {
  83         .formats = SNDRV_PCM_FMTBIT_S32_LE,
  84         .rate_min = 44100,
  85         .rate_max = 44100,
  86         .channels_min = 2,
  87         .channels_max = 2,
  88 };
  89
  90 SND_SOC_DAILINK_DEFS(cpu,
  91         DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
  92         DAILINK_COMP_ARRAY(COMP_CODEC("wm5100.1-001a", "wm5100-aif1")),
  93         DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
  94
  95 SND_SOC_DAILINK_DEFS(baseband,
  96         DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif2")),
  97         DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
  98
  99 SND_SOC_DAILINK_DEFS(speaker,
 100         DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif3")),
 101         DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
 102
 103 static struct snd_soc_dai_link lowland_dai[] = {
 104         {
 105                 .name = "CPU",
 106                 .stream_name = "CPU",
 107                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 108                                 SND_SOC_DAIFMT_CBM_CFM,
 109                 .init = lowland_wm5100_init,
 110                 SND_SOC_DAILINK_REG(cpu),
 111         },
 112         {
 113                 .name = "Baseband",
 114                 .stream_name = "Baseband",
 115                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 116                                 SND_SOC_DAIFMT_CBM_CFM,
 117                 .ignore_suspend = 1,
 118                 SND_SOC_DAILINK_REG(baseband),
 119         },
 120         {
 121                 .name = "Sub Speaker",
 122                 .stream_name = "Sub Speaker",
 123                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 124                                 SND_SOC_DAIFMT_CBM_CFM,
 125                 .ignore_suspend = 1,
 126                 .c2c_params = &sub_params,
 127                 .num_c2c_params = 1,
 128                 .init = lowland_wm9081_init,
 129                 SND_SOC_DAILINK_REG(speaker),
 130         },
 131 };
 132
 133 static struct snd_soc_codec_conf lowland_codec_conf[] = {
 134         {
 135                 .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
 136                 .name_prefix = "Sub",
 137         },
 138 };
 139
 140 static const struct snd_kcontrol_new controls[] = {
 141         SOC_DAPM_PIN_SWITCH("Main Speaker"),
 142         SOC_DAPM_PIN_SWITCH("Main DMIC"),
 143         SOC_DAPM_PIN_SWITCH("Main AMIC"),
 144         SOC_DAPM_PIN_SWITCH("WM1250 Input"),
 145         SOC_DAPM_PIN_SWITCH("WM1250 Output"),
 146         SOC_DAPM_PIN_SWITCH("Headphone"),
 147         SOC_DAPM_PIN_SWITCH("Line Out"),
 148 };
 149
 150 static const struct snd_soc_dapm_widget widgets[] = {
 151         SND_SOC_DAPM_HP("Headphone", NULL),
 152         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 153         SND_SOC_DAPM_LINE("Line Out", NULL),
 154
 155         SND_SOC_DAPM_SPK("Main Speaker", NULL),
 156
 157         SND_SOC_DAPM_MIC("Main AMIC", NULL),
 158         SND_SOC_DAPM_MIC("Main DMIC", NULL),
 159 };
 160
 161 static const struct snd_soc_dapm_route audio_paths[] = {
 162         { "Sub IN1", NULL, "HPOUT2L" },
 163         { "Sub IN2", NULL, "HPOUT2R" },
 164
 165         { "Main Speaker", NULL, "Sub SPKN" },
 166         { "Main Speaker", NULL, "Sub SPKP" },
 167         { "Main Speaker", NULL, "SPKDAT1" },
 168 };
 169
 170 static struct snd_soc_card lowland = {
 171         .name = "Lowland",
 172         .owner = THIS_MODULE,
 173         .dai_link = lowland_dai,
 174         .num_links = ARRAY_SIZE(lowland_dai),
 175         .codec_conf = lowland_codec_conf,
 176         .num_configs = ARRAY_SIZE(lowland_codec_conf),
 177
 178         .controls = controls,
 179         .num_controls = ARRAY_SIZE(controls),
 180         .dapm_widgets = widgets,
 181         .num_dapm_widgets = ARRAY_SIZE(widgets),
 182         .dapm_routes = audio_paths,
 183         .num_dapm_routes = ARRAY_SIZE(audio_paths),
 184 };
 185
 186 static int lowland_probe(struct platform_device *pdev)
 187 {
 188         struct snd_soc_card *card = &lowland;
 189         int ret;
 190
 191         card->dev = &pdev->dev;
 192
 193         ret = devm_snd_soc_register_card(&pdev->dev, card);
 194         if (ret)
 195                 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card() failed\n");
 196
 197         return ret;
 198 }
 199
 200 static struct platform_driver lowland_driver = {
 201         .driver = {
 202                 .name = "lowland",
 203                 .pm = &snd_soc_pm_ops,
 204         },
 205         .probe = lowland_probe,
 206 };
 207
 208 module_platform_driver(lowland_driver);
 209
 210 MODULE_DESCRIPTION("Lowland audio support");
 211 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 212 MODULE_LICENSE("GPL");
 213 MODULE_ALIAS("platform:lowland");