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 MODULE_DEVICE_TABLE(platform, db1200_pids);
  48
  49 /*-------------------------  AC97 PART  ---------------------------*/
  50
  51 SND_SOC_DAILINK_DEFS(db1200_ac97,
  52         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
  53         DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec.1", "ac97-hifi")),
  54         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
  55
  56 static struct snd_soc_dai_link db1200_ac97_dai = {
  57         .name           = "AC97",
  58         .stream_name    = "AC97 HiFi",
  59         SND_SOC_DAILINK_REG(db1200_ac97),
  60 };
  61
  62 static struct snd_soc_card db1200_ac97_machine = {
  63         .name           = "DB1200_AC97",
  64         .owner          = THIS_MODULE,
  65         .dai_link       = &db1200_ac97_dai,
  66         .num_links      = 1,
  67 };
  68
  69 SND_SOC_DAILINK_DEFS(db1300_ac97,
  70         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
  71         DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec.1", "wm9712-hifi")),
  72         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
  73
  74 static struct snd_soc_dai_link db1300_ac97_dai = {
  75         .name           = "AC97",
  76         .stream_name    = "AC97 HiFi",
  77         SND_SOC_DAILINK_REG(db1300_ac97),
  78 };
  79
  80 static struct snd_soc_card db1300_ac97_machine = {
  81         .name           = "DB1300_AC97",
  82         .owner          = THIS_MODULE,
  83         .dai_link       = &db1300_ac97_dai,
  84         .num_links      = 1,
  85 };
  86
  87 static struct snd_soc_card db1550_ac97_machine = {
  88         .name           = "DB1550_AC97",
  89         .owner          = THIS_MODULE,
  90         .dai_link       = &db1200_ac97_dai,
  91         .num_links      = 1,
  92 };
  93
  94 /*-------------------------  I2S PART  ---------------------------*/
  95
  96 static int db1200_i2s_startup(struct snd_pcm_substream *substream)
  97 {
  98         struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
  99         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 100
 101         /* WM8731 has its own 12MHz crystal */
 102         snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
 103                                 12000000, SND_SOC_CLOCK_IN);
 104
 105         return 0;
 106 }
 107
 108 static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
 109         .startup        = db1200_i2s_startup,
 110 };
 111
 112 SND_SOC_DAILINK_DEFS(db1200_i2s,
 113         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.1")),
 114         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 115         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
 116
 117 static struct snd_soc_dai_link db1200_i2s_dai = {
 118         .name           = "WM8731",
 119         .stream_name    = "WM8731 PCM",
 120         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 121                           SND_SOC_DAIFMT_CBP_CFP,
 122         .ops            = &db1200_i2s_wm8731_ops,
 123         SND_SOC_DAILINK_REG(db1200_i2s),
 124 };
 125
 126 static struct snd_soc_card db1200_i2s_machine = {
 127         .name           = "DB1200_I2S",
 128         .owner          = THIS_MODULE,
 129         .dai_link       = &db1200_i2s_dai,
 130         .num_links      = 1,
 131 };
 132
 133 SND_SOC_DAILINK_DEFS(db1300_i2s,
 134         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.2")),
 135         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 136         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.2")));
 137
 138 static struct snd_soc_dai_link db1300_i2s_dai = {
 139         .name           = "WM8731",
 140         .stream_name    = "WM8731 PCM",
 141         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 142                           SND_SOC_DAIFMT_CBP_CFP,
 143         .ops            = &db1200_i2s_wm8731_ops,
 144         SND_SOC_DAILINK_REG(db1300_i2s),
 145 };
 146
 147 static struct snd_soc_card db1300_i2s_machine = {
 148         .name           = "DB1300_I2S",
 149         .owner          = THIS_MODULE,
 150         .dai_link       = &db1300_i2s_dai,
 151         .num_links      = 1,
 152 };
 153
 154 SND_SOC_DAILINK_DEFS(db1550_i2s,
 155         DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.3")),
 156         DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 157         DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.3")));
 158
 159 static struct snd_soc_dai_link db1550_i2s_dai = {
 160         .name           = "WM8731",
 161         .stream_name    = "WM8731 PCM",
 162         .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 163                           SND_SOC_DAIFMT_CBP_CFP,
 164         .ops            = &db1200_i2s_wm8731_ops,
 165         SND_SOC_DAILINK_REG(db1550_i2s),
 166 };
 167
 168 static struct snd_soc_card db1550_i2s_machine = {
 169         .name           = "DB1550_I2S",
 170         .owner          = THIS_MODULE,
 171         .dai_link       = &db1550_i2s_dai,
 172         .num_links      = 1,
 173 };
 174
 175 /*-------------------------  COMMON PART  ---------------------------*/
 176
 177 static struct snd_soc_card *db1200_cards[] = {
 178         &db1200_ac97_machine,
 179         &db1200_i2s_machine,
 180         &db1300_ac97_machine,
 181         &db1300_i2s_machine,
 182         &db1550_ac97_machine,
 183         &db1550_i2s_machine,
 184 };
 185
 186 static int db1200_audio_probe(struct platform_device *pdev)
 187 {
 188         const struct platform_device_id *pid = platform_get_device_id(pdev);
 189         struct snd_soc_card *card;
 190
 191         card = db1200_cards[pid->driver_data];
 192         card->dev = &pdev->dev;
 193         return devm_snd_soc_register_card(&pdev->dev, card);
 194 }
 195
 196 static struct platform_driver db1200_audio_driver = {
 197         .driver = {
 198                 .name   = "db1200-ac97",
 199                 .pm     = &snd_soc_pm_ops,
 200         },
 201         .id_table       = db1200_pids,
 202         .probe          = db1200_audio_probe,
 203 };
 204
 205 module_platform_driver(db1200_audio_driver);
 206
 207 MODULE_LICENSE("GPL");
 208 MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
 209 MODULE_AUTHOR("Manuel Lauss");