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 = asoc_rtd_to_codec(rtd, 0)->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_pins(rtd->card, "Headset",
  55                                          SND_JACK_LINEOUT | SND_JACK_HEADSET |
  56                                          SND_JACK_BTN_0,
  57                                          &lowland_headset, lowland_headset_pins,
  58                                          ARRAY_SIZE(lowland_headset_pins));
  59         if (ret)
  60                 return ret;
  61
  62         wm5100_detect(component, &lowland_headset);
  63
  64         return 0;
  65 }
  66
  67 static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
  68 {
  69         struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
  70
  71         snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT");
  72
  73         /* At any time the WM9081 is active it will have this clock */
  74         return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,
  75                                         CLKOUT_RATE, 0);
  76 }
  77
  78 static const struct snd_soc_pcm_stream sub_params = {
  79         .formats = SNDRV_PCM_FMTBIT_S32_LE,
  80         .rate_min = 44100,
  81         .rate_max = 44100,
  82         .channels_min = 2,
  83         .channels_max = 2,
  84 };
  85
  86 SND_SOC_DAILINK_DEFS(cpu,
  87         DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
  88         DAILINK_COMP_ARRAY(COMP_CODEC("wm5100.1-001a", "wm5100-aif1")),
  89         DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
  90
  91 SND_SOC_DAILINK_DEFS(baseband,
  92         DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif2")),
  93         DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
  94
  95 SND_SOC_DAILINK_DEFS(speaker,
  96         DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif3")),
  97         DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
  98
  99 static struct snd_soc_dai_link lowland_dai[] = {
 100         {
 101                 .name = "CPU",
 102                 .stream_name = "CPU",
 103                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 104                                 SND_SOC_DAIFMT_CBM_CFM,
 105                 .init = lowland_wm5100_init,
 106                 SND_SOC_DAILINK_REG(cpu),
 107         },
 108         {
 109                 .name = "Baseband",
 110                 .stream_name = "Baseband",
 111                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 112                                 SND_SOC_DAIFMT_CBM_CFM,
 113                 .ignore_suspend = 1,
 114                 SND_SOC_DAILINK_REG(baseband),
 115         },
 116         {
 117                 .name = "Sub Speaker",
 118                 .stream_name = "Sub Speaker",
 119                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 120                                 SND_SOC_DAIFMT_CBM_CFM,
 121                 .ignore_suspend = 1,
 122                 .params = &sub_params,
 123                 .init = lowland_wm9081_init,
 124                 SND_SOC_DAILINK_REG(speaker),
 125         },
 126 };
 127
 128 static struct snd_soc_codec_conf lowland_codec_conf[] = {
 129         {
 130                 .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
 131                 .name_prefix = "Sub",
 132         },
 133 };
 134
 135 static const struct snd_kcontrol_new controls[] = {
 136         SOC_DAPM_PIN_SWITCH("Main Speaker"),
 137         SOC_DAPM_PIN_SWITCH("Main DMIC"),
 138         SOC_DAPM_PIN_SWITCH("Main AMIC"),
 139         SOC_DAPM_PIN_SWITCH("WM1250 Input"),
 140         SOC_DAPM_PIN_SWITCH("WM1250 Output"),
 141         SOC_DAPM_PIN_SWITCH("Headphone"),
 142 };
 143
 144 static const struct snd_soc_dapm_widget widgets[] = {
 145         SND_SOC_DAPM_HP("Headphone", NULL),
 146         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 147
 148         SND_SOC_DAPM_SPK("Main Speaker", NULL),
 149
 150         SND_SOC_DAPM_MIC("Main AMIC", NULL),
 151         SND_SOC_DAPM_MIC("Main DMIC", NULL),
 152 };
 153
 154 static const struct snd_soc_dapm_route audio_paths[] = {
 155         { "Sub IN1", NULL, "HPOUT2L" },
 156         { "Sub IN2", NULL, "HPOUT2R" },
 157
 158         { "Main Speaker", NULL, "Sub SPKN" },
 159         { "Main Speaker", NULL, "Sub SPKP" },
 160         { "Main Speaker", NULL, "SPKDAT1" },
 161 };
 162
 163 static struct snd_soc_card lowland = {
 164         .name = "Lowland",
 165         .owner = THIS_MODULE,
 166         .dai_link = lowland_dai,
 167         .num_links = ARRAY_SIZE(lowland_dai),
 168         .codec_conf = lowland_codec_conf,
 169         .num_configs = ARRAY_SIZE(lowland_codec_conf),
 170
 171         .controls = controls,
 172         .num_controls = ARRAY_SIZE(controls),
 173         .dapm_widgets = widgets,
 174         .num_dapm_widgets = ARRAY_SIZE(widgets),
 175         .dapm_routes = audio_paths,
 176         .num_dapm_routes = ARRAY_SIZE(audio_paths),
 177 };
 178
 179 static int lowland_probe(struct platform_device *pdev)
 180 {
 181         struct snd_soc_card *card = &lowland;
 182         int ret;
 183
 184         card->dev = &pdev->dev;
 185
 186         ret = devm_snd_soc_register_card(&pdev->dev, card);
 187         if (ret)
 188                 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card() failed\n");
 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");