sound/soc/au1x/db1200.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * DB1200/DB1300/DB1550 ASoC audio fabric support code.
   4  *
   5  * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
   6  *
   7  */
   8
   9 #include <linux/module.h>
  10 #include <linux/moduleparam.h>
  11 #include <linux/timer.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/platform_device.h>
  14 #include <sound/core.h>
  15 #include <sound/pcm.h>
  16 #include <sound/soc.h>
  17 #include <asm/mach-au1x00/au1000.h>
  18 #include <asm/mach-au1x00/au1xxx_psc.h>
  19 #include <asm/mach-au1x00/au1xxx_dbdma.h>
  20 #include <asm/mach-db1x00/bcsr.h>
  21
  22 #include "../codecs/wm8731.h"
  23 #include "psc.h"
  24
  25 static const struct platform_device_id db1200_pids[] = {
  26         {
  27                 .name           = "db1200-ac97",
  28                 .driver_data    = 0,
  29         }, {
  30                 .name           = "db1200-i2s",
  31                 .driver_data    = 1,
  32         }, {
  33                 .name           = "db1300-ac97",
  34                 .driver_data    = 2,
  35         }, {
  36                 .name           = "db1300-i2s",
  37                 .driver_data    = 3,
  38         }, {
  39                 .name           = "db1550-ac97",
  40                 .driver_data    = 4,
  41         }, {
  42                 .name           = "db1550-i2s",
  43                 .driver_data    = 5,
  44         },
  45         {},
  46 };
  47
  48 /*-------------------------  AC97 PART  ---------------------------*/
  49
  50 static struct snd_soc_dai_link db1200_ac97_dai = {
  51         .name           = "AC97",
  52         .stream_name    = "AC97 HiFi",
  53         .codec_dai_name = "ac97-hifi",
  54         .cpu_dai_name   = "au1xpsc_ac97.1",
  55         .platform_name  = "au1xpsc-pcm.1",
  56         .codec_name     = "ac97-codec.1",
  57 };
  58
  59 static struct snd_soc_card db1200_ac97_machine = {
  60         .name           = "DB1200_AC97",
  61         .owner          = THIS_MODULE,
  62         .dai_link       = &db1200_ac97_dai,
  63         .num_links      = 1,
  64 };
  65
  66 static struct snd_soc_dai_link db1300_ac97_dai = {
  67         .name           = "AC97",
  68         .stream_name    = "AC97 HiFi",
  69         .codec_dai_name = "wm9712-hifi",
  70         .cpu_dai_name   = "au1xpsc_ac97.1",
  71         .platform_name  = "au1xpsc-pcm.1",
  72         .codec_name     = "wm9712-codec.1",
  73 };
  74
  75 static struct snd_soc_card db1300_ac97_machine = {
  76         .name           = "DB1300_AC97",
  77         .owner          = THIS_MODULE,
  78         .dai_link       = &db1300_ac97_dai,
  79         .num_links      = 1,
  80 };
  81
  82 static struct snd_soc_card db1550_ac97_machine = {
  83         .name           = "DB1550_AC97",
  84         .owner          = THIS_MODULE,
  85         .dai_link       = &db1200_ac97_dai,
  86         .num_links      = 1,
  87 };
  88
  89 /*-------------------------  I2S PART  ---------------------------*/
  90
  91 static int db1200_i2s_startup(struct snd_pcm_substream *substream)
  92 {
  93         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  94         struct snd_soc_dai *codec_dai = rtd->codec_dai;
  95
  96         /* WM8731 has its own 12MHz crystal */
  97         snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
  98                                 12000000, SND_SOC_CLOCK_IN);
  99
 100         return 0;
 101 }
 102
 103 static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
 104         .startup        = db1200_i2s_startup,
 105 };
 106
 107 static struct snd_soc_dai_link db1200_i2s_dai = {
 108         .name           = "WM8731",
 109         .stream_name    = "WM8731 PCM",
 110         .codec_dai_name = "wm8731-hifi",
 111         .cpu_dai_name   = "au1xpsc_i2s.1",
 112         .platform_name  = "au1xpsc-pcm.1",
 113         .codec_name     = "wm8731.0-001b",
 114         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 115                           SND_SOC_DAIFMT_CBM_CFM,
 116         .ops            = &db1200_i2s_wm8731_ops,
 117 };
 118
 119 static struct snd_soc_card db1200_i2s_machine = {
 120         .name           = "DB1200_I2S",
 121         .owner          = THIS_MODULE,
 122         .dai_link       = &db1200_i2s_dai,
 123         .num_links      = 1,
 124 };
 125
 126 static struct snd_soc_dai_link db1300_i2s_dai = {
 127         .name           = "WM8731",
 128         .stream_name    = "WM8731 PCM",
 129         .codec_dai_name = "wm8731-hifi",
 130         .cpu_dai_name   = "au1xpsc_i2s.2",
 131         .platform_name  = "au1xpsc-pcm.2",
 132         .codec_name     = "wm8731.0-001b",
 133         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 134                           SND_SOC_DAIFMT_CBM_CFM,
 135         .ops            = &db1200_i2s_wm8731_ops,
 136 };
 137
 138 static struct snd_soc_card db1300_i2s_machine = {
 139         .name           = "DB1300_I2S",
 140         .owner          = THIS_MODULE,
 141         .dai_link       = &db1300_i2s_dai,
 142         .num_links      = 1,
 143 };
 144
 145 static struct snd_soc_dai_link db1550_i2s_dai = {
 146         .name           = "WM8731",
 147         .stream_name    = "WM8731 PCM",
 148         .codec_dai_name = "wm8731-hifi",
 149         .cpu_dai_name   = "au1xpsc_i2s.3",
 150         .platform_name  = "au1xpsc-pcm.3",
 151         .codec_name     = "wm8731.0-001b",
 152         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 153                           SND_SOC_DAIFMT_CBM_CFM,
 154         .ops            = &db1200_i2s_wm8731_ops,
 155 };
 156
 157 static struct snd_soc_card db1550_i2s_machine = {
 158         .name           = "DB1550_I2S",
 159         .owner          = THIS_MODULE,
 160         .dai_link       = &db1550_i2s_dai,
 161         .num_links      = 1,
 162 };
 163
 164 /*-------------------------  COMMON PART  ---------------------------*/
 165
 166 static struct snd_soc_card *db1200_cards[] = {
 167         &db1200_ac97_machine,
 168         &db1200_i2s_machine,
 169         &db1300_ac97_machine,
 170         &db1300_i2s_machine,
 171         &db1550_ac97_machine,
 172         &db1550_i2s_machine,
 173 };
 174
 175 static int db1200_audio_probe(struct platform_device *pdev)
 176 {
 177         const struct platform_device_id *pid = platform_get_device_id(pdev);
 178         struct snd_soc_card *card;
 179
 180         card = db1200_cards[pid->driver_data];
 181         card->dev = &pdev->dev;
 182         return devm_snd_soc_register_card(&pdev->dev, card);
 183 }
 184
 185 static struct platform_driver db1200_audio_driver = {
 186         .driver = {
 187                 .name   = "db1200-ac97",
 188                 .pm     = &snd_soc_pm_ops,
 189         },
 190         .id_table       = db1200_pids,
 191         .probe          = db1200_audio_probe,
 192 };
 193
 194 module_platform_driver(db1200_audio_driver);
 195
 196 MODULE_LICENSE("GPL");
 197 MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
 198 MODULE_AUTHOR("Manuel Lauss");