root/sound/soc/pxa/ttc-dkb.c

DEFINITIONS

1. ttc_pm860x_init
2. ttc_dkb_probe

   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 = rtd->codec_dai->component;
  65 
  66         /* Headset jack detection */
  67         snd_soc_card_jack_new(rtd->card, "Headphone Jack", SND_JACK_HEADPHONE |
  68                               SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2,
  69                               &hs_jack, hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
  70         snd_soc_card_jack_new(rtd->card, "Microphone Jack", SND_JACK_MICROPHONE,
  71                               &mic_jack, mic_jack_pins,
  72                               ARRAY_SIZE(mic_jack_pins));
  73 
  74         /* headphone, microphone detection & headset short detection */
  75         pm860x_hs_jack_detect(component, &hs_jack, SND_JACK_HEADPHONE,
  76                               SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
  77         pm860x_mic_jack_detect(component, &hs_jack, SND_JACK_MICROPHONE);
  78 
  79         return 0;
  80 }
  81 
  82 /* ttc/td-dkb digital audio interface glue - connects codec <--> CPU */
  83 SND_SOC_DAILINK_DEFS(i2s,
  84         DAILINK_COMP_ARRAY(COMP_CPU("pxa-ssp-dai.1")),
  85         DAILINK_COMP_ARRAY(COMP_CODEC("88pm860x-codec", "88pm860x-i2s")),
  86         DAILINK_COMP_ARRAY(COMP_PLATFORM("mmp-pcm-audio")));
  87 
  88 static struct snd_soc_dai_link ttc_pm860x_hifi_dai[] = {
  89 {
  90          .name = "88pm860x i2s",
  91          .stream_name = "audio playback",
  92          .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
  93                         SND_SOC_DAIFMT_CBM_CFM,
  94          .init = ttc_pm860x_init,
  95          SND_SOC_DAILINK_REG(i2s),
  96 },
  97 };
  98 
  99 /* ttc/td audio machine driver */
 100 static struct snd_soc_card ttc_dkb_card = {
 101         .name = "ttc-dkb-hifi",
 102         .owner = THIS_MODULE,
 103         .dai_link = ttc_pm860x_hifi_dai,
 104         .num_links = ARRAY_SIZE(ttc_pm860x_hifi_dai),
 105 
 106         .dapm_widgets = ttc_dapm_widgets,
 107         .num_dapm_widgets = ARRAY_SIZE(ttc_dapm_widgets),
 108         .dapm_routes = ttc_audio_map,
 109         .num_dapm_routes = ARRAY_SIZE(ttc_audio_map),
 110 };
 111 
 112 static int ttc_dkb_probe(struct platform_device *pdev)
 113 {
 114         struct snd_soc_card *card = &ttc_dkb_card;
 115         int ret;
 116 
 117         card->dev = &pdev->dev;
 118 
 119         ret = devm_snd_soc_register_card(&pdev->dev, card);
 120         if (ret)
 121                 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 122                         ret);
 123 
 124         return ret;
 125 }
 126 
 127 static struct platform_driver ttc_dkb_driver = {
 128         .driver         = {
 129                 .name   = "ttc-dkb-audio",
 130                 .pm     = &snd_soc_pm_ops,
 131         },
 132         .probe          = ttc_dkb_probe,
 133 };
 134 
 135 module_platform_driver(ttc_dkb_driver);
 136 
 137 /* Module information */
 138 MODULE_AUTHOR("Qiao Zhou, <zhouqiao@marvell.com>");
 139 MODULE_DESCRIPTION("ALSA SoC TTC DKB");
 140 MODULE_LICENSE("GPL");
 141 MODULE_ALIAS("platform:ttc-dkb-audio");