sound/soc/pxa/ttc-dkb.c

   1 /*
   2  * linux/sound/soc/pxa/ttc_dkb.c
   3  *
   4  * Copyright (C) 2012 Marvell International Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21 #include <linux/module.h>
  22 #include <linux/moduleparam.h>
  23 #include <sound/core.h>
  24 #include <sound/pcm.h>
  25 #include <sound/soc.h>
  26 #include <sound/jack.h>
  27 #include <asm/mach-types.h>
  28 #include <sound/pcm_params.h>
  29 #include "../codecs/88pm860x-codec.h"
  30
  31 static struct snd_soc_jack hs_jack, mic_jack;
  32
  33 static struct snd_soc_jack_pin hs_jack_pins[] = {
  34         { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, },
  35 };
  36
  37 static struct snd_soc_jack_pin mic_jack_pins[] = {
  38         { .pin = "Headset Mic 2",       .mask = SND_JACK_MICROPHONE, },
  39 };
  40
  41 /* ttc machine dapm widgets */
  42 static const struct snd_soc_dapm_widget ttc_dapm_widgets[] = {
  43         SND_SOC_DAPM_HP("Headset Stereophone", NULL),
  44         SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
  45         SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
  46         SND_SOC_DAPM_SPK("Ext Speaker", NULL),
  47         SND_SOC_DAPM_MIC("Ext Mic 1", NULL),
  48         SND_SOC_DAPM_MIC("Headset Mic 2", NULL),
  49         SND_SOC_DAPM_MIC("Ext Mic 3", NULL),
  50 };
  51
  52 /* ttc machine audio map */
  53 static const struct snd_soc_dapm_route ttc_audio_map[] = {
  54         {"Headset Stereophone", NULL, "HS1"},
  55         {"Headset Stereophone", NULL, "HS2"},
  56
  57         {"Ext Speaker", NULL, "LSP"},
  58         {"Ext Speaker", NULL, "LSN"},
  59
  60         {"Lineout Out 1", NULL, "LINEOUT1"},
  61         {"Lineout Out 2", NULL, "LINEOUT2"},
  62
  63         {"MIC1P", NULL, "Mic1 Bias"},
  64         {"MIC1N", NULL, "Mic1 Bias"},
  65         {"Mic1 Bias", NULL, "Ext Mic 1"},
  66
  67         {"MIC2P", NULL, "Mic1 Bias"},
  68         {"MIC2N", NULL, "Mic1 Bias"},
  69         {"Mic1 Bias", NULL, "Headset Mic 2"},
  70
  71         {"MIC3P", NULL, "Mic3 Bias"},
  72         {"MIC3N", NULL, "Mic3 Bias"},
  73         {"Mic3 Bias", NULL, "Ext Mic 3"},
  74 };
  75
  76 static int ttc_pm860x_init(struct snd_soc_pcm_runtime *rtd)
  77 {
  78         struct snd_soc_codec *codec = rtd->codec;
  79         struct snd_soc_dapm_context *dapm = &codec->dapm;
  80
  81         /* connected pins */
  82         snd_soc_dapm_enable_pin(dapm, "Ext Speaker");
  83         snd_soc_dapm_enable_pin(dapm, "Ext Mic 1");
  84         snd_soc_dapm_enable_pin(dapm, "Ext Mic 3");
  85         snd_soc_dapm_disable_pin(dapm, "Headset Mic 2");
  86         snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");
  87
  88         /* Headset jack detection */
  89         snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE
  90                         | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2,
  91                         &hs_jack);
  92         snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
  93                               hs_jack_pins);
  94         snd_soc_jack_new(codec, "Microphone Jack", SND_JACK_MICROPHONE,
  95                          &mic_jack);
  96         snd_soc_jack_add_pins(&mic_jack, ARRAY_SIZE(mic_jack_pins),
  97                               mic_jack_pins);
  98
  99         /* headphone, microphone detection & headset short detection */
 100         pm860x_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADPHONE,
 101                               SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
 102         pm860x_mic_jack_detect(codec, &hs_jack, SND_JACK_MICROPHONE);
 103
 104         return 0;
 105 }
 106
 107 /* ttc/td-dkb digital audio interface glue - connects codec <--> CPU */
 108 static struct snd_soc_dai_link ttc_pm860x_hifi_dai[] = {
 109 {
 110          .name = "88pm860x i2s",
 111          .stream_name = "audio playback",
 112          .codec_name = "88pm860x-codec",
 113          .platform_name = "mmp-pcm-audio",
 114          .cpu_dai_name = "pxa-ssp-dai.1",
 115          .codec_dai_name = "88pm860x-i2s",
 116          .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 117                         SND_SOC_DAIFMT_CBM_CFM,
 118          .init = ttc_pm860x_init,
 119 },
 120 };
 121
 122 /* ttc/td audio machine driver */
 123 static struct snd_soc_card ttc_dkb_card = {
 124         .name = "ttc-dkb-hifi",
 125         .dai_link = ttc_pm860x_hifi_dai,
 126         .num_links = ARRAY_SIZE(ttc_pm860x_hifi_dai),
 127
 128         .dapm_widgets = ttc_dapm_widgets,
 129         .num_dapm_widgets = ARRAY_SIZE(ttc_dapm_widgets),
 130         .dapm_routes = ttc_audio_map,
 131         .num_dapm_routes = ARRAY_SIZE(ttc_audio_map),
 132 };
 133
 134 static int ttc_dkb_probe(struct platform_device *pdev)
 135 {
 136         struct snd_soc_card *card = &ttc_dkb_card;
 137         int ret;
 138
 139         card->dev = &pdev->dev;
 140
 141         ret = snd_soc_register_card(card);
 142         if (ret)
 143                 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 144                         ret);
 145
 146         return ret;
 147 }
 148
 149 static int ttc_dkb_remove(struct platform_device *pdev)
 150 {
 151         struct snd_soc_card *card = platform_get_drvdata(pdev);
 152
 153         snd_soc_unregister_card(card);
 154
 155         return 0;
 156 }
 157
 158 static struct platform_driver ttc_dkb_driver = {
 159         .driver         = {
 160                 .name   = "ttc-dkb-audio",
 161                 .owner  = THIS_MODULE,
 162         },
 163         .probe          = ttc_dkb_probe,
 164         .remove         = ttc_dkb_remove,
 165 };
 166
 167 module_platform_driver(ttc_dkb_driver);
 168
 169 /* Module information */
 170 MODULE_AUTHOR("Qiao Zhou, <zhouqiao@marvell.com>");
 171 MODULE_DESCRIPTION("ALSA SoC TTC DKB");
 172 MODULE_LICENSE("GPL");
 173 MODULE_ALIAS("platform:ttc-dkb-audio");