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

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  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");
142 

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