sound/soc/pxa/ttc-dkb.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * linux/sound/soc/pxa/ttc_dkb.c
   4  *
   5  * Copyright (C) 2012 Marvell International Ltd.
   6  */
   7 #include <linux/module.h>
   8 #include <linux/moduleparam.h>
   9 #include <sound/core.h>
  10 #include <sound/pcm.h>
  11 #include <sound/soc.h>
  12 #include <sound/jack.h>
  13 #include <asm/mach-types.h>
  14 #include <sound/pcm_params.h>
  15 #include "../codecs/88pm860x-codec.h"
  16
  17 static struct snd_soc_jack hs_jack, mic_jack;
  18
  19 static struct snd_soc_jack_pin hs_jack_pins[] = {
  20         { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, },
  21 };
  22
  23 static struct snd_soc_jack_pin mic_jack_pins[] = {
  24         { .pin = "Headset Mic 2",       .mask = SND_JACK_MICROPHONE, },
  25 };
  26
  27 /* ttc machine dapm widgets */
  28 static const struct snd_soc_dapm_widget ttc_dapm_widgets[] = {
  29         SND_SOC_DAPM_HP("Headset Stereophone", NULL),
  30         SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
  31         SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
  32         SND_SOC_DAPM_SPK("Ext Speaker", NULL),
  33         SND_SOC_DAPM_MIC("Ext Mic 1", NULL),
  34         SND_SOC_DAPM_MIC("Headset Mic 2", NULL),
  35         SND_SOC_DAPM_MIC("Ext Mic 3", NULL),
  36 };
  37
  38 /* ttc machine audio map */
  39 static const struct snd_soc_dapm_route ttc_audio_map[] = {
  40         {"Headset Stereophone", NULL, "HS1"},
  41         {"Headset Stereophone", NULL, "HS2"},
  42
  43         {"Ext Speaker", NULL, "LSP"},
  44         {"Ext Speaker", NULL, "LSN"},
  45
  46         {"Lineout Out 1", NULL, "LINEOUT1"},
  47         {"Lineout Out 2", NULL, "LINEOUT2"},
  48
  49         {"MIC1P", NULL, "Mic1 Bias"},
  50         {"MIC1N", NULL, "Mic1 Bias"},
  51         {"Mic1 Bias", NULL, "Ext Mic 1"},
  52
  53         {"MIC2P", NULL, "Mic1 Bias"},
  54         {"MIC2N", NULL, "Mic1 Bias"},
  55         {"Mic1 Bias", NULL, "Headset Mic 2"},
  56
  57         {"MIC3P", NULL, "Mic3 Bias"},
  58         {"MIC3N", NULL, "Mic3 Bias"},
  59         {"Mic3 Bias", NULL, "Ext Mic 3"},
  60 };
  61
  62 static int ttc_pm860x_init(struct snd_soc_pcm_runtime *rtd)
  63 {
  64         struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
  65
  66         /* Headset jack detection */
  67         snd_soc_card_jack_new_pins(rtd->card, "Headphone Jack",
  68                                    SND_JACK_HEADPHONE | SND_JACK_BTN_0 |
  69                                    SND_JACK_BTN_1 | SND_JACK_BTN_2,
  70                                    &hs_jack,
  71                                    hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
  72         snd_soc_card_jack_new_pins(rtd->card, "Microphone Jack",
  73                                    SND_JACK_MICROPHONE, &mic_jack,
  74                                    mic_jack_pins, ARRAY_SIZE(mic_jack_pins));
  75
  76         /* headphone, microphone detection & headset short detection */
  77         pm860x_hs_jack_detect(component, &hs_jack, SND_JACK_HEADPHONE,
  78                               SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
  79         pm860x_mic_jack_detect(component, &hs_jack, SND_JACK_MICROPHONE);
  80
  81         return 0;
  82 }
  83
  84 /* ttc/td-dkb digital audio interface glue - connects codec <--> CPU */
  85 SND_SOC_DAILINK_DEFS(i2s,
  86         DAILINK_COMP_ARRAY(COMP_CPU("pxa-ssp-dai.1")),
  87         DAILINK_COMP_ARRAY(COMP_CODEC("88pm860x-codec", "88pm860x-i2s")),
  88         DAILINK_COMP_ARRAY(COMP_PLATFORM("mmp-pcm-audio")));
  89
  90 static struct snd_soc_dai_link ttc_pm860x_hifi_dai[] = {
  91 {
  92          .name = "88pm860x i2s",
  93          .stream_name = "audio playback",
  94          .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
  95                         SND_SOC_DAIFMT_CBM_CFM,
  96          .init = ttc_pm860x_init,
  97          SND_SOC_DAILINK_REG(i2s),
  98 },
  99 };
 100
 101 /* ttc/td audio machine driver */
 102 static struct snd_soc_card ttc_dkb_card = {
 103         .name = "ttc-dkb-hifi",
 104         .owner = THIS_MODULE,
 105         .dai_link = ttc_pm860x_hifi_dai,
 106         .num_links = ARRAY_SIZE(ttc_pm860x_hifi_dai),
 107
 108         .dapm_widgets = ttc_dapm_widgets,
 109         .num_dapm_widgets = ARRAY_SIZE(ttc_dapm_widgets),
 110         .dapm_routes = ttc_audio_map,
 111         .num_dapm_routes = ARRAY_SIZE(ttc_audio_map),
 112 };
 113
 114 static int ttc_dkb_probe(struct platform_device *pdev)
 115 {
 116         struct snd_soc_card *card = &ttc_dkb_card;
 117         int ret;
 118
 119         card->dev = &pdev->dev;
 120
 121         ret = devm_snd_soc_register_card(&pdev->dev, card);
 122         if (ret)
 123                 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 124                         ret);
 125
 126         return ret;
 127 }
 128
 129 static struct platform_driver ttc_dkb_driver = {
 130         .driver         = {
 131                 .name   = "ttc-dkb-audio",
 132                 .pm     = &snd_soc_pm_ops,
 133         },
 134         .probe          = ttc_dkb_probe,
 135 };
 136
 137 module_platform_driver(ttc_dkb_driver);
 138
 139 /* Module information */
 140 MODULE_AUTHOR("Qiao Zhou, <zhouqiao@marvell.com>");
 141 MODULE_DESCRIPTION("ALSA SoC TTC DKB");
 142 MODULE_LICENSE("GPL");
 143 MODULE_ALIAS("platform:ttc-dkb-audio");