linux/sound/soc/au1x/db1200.c
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   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
  25static 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
  50SND_SOC_DAILINK_DEFS(db1200_ac97,
  51        DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
  52        DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec.1", "ac97-hifi")),
  53        DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
  54
  55static struct snd_soc_dai_link db1200_ac97_dai = {
  56        .name           = "AC97",
  57        .stream_name    = "AC97 HiFi",
  58        SND_SOC_DAILINK_REG(db1200_ac97),
  59};
  60
  61static struct snd_soc_card db1200_ac97_machine = {
  62        .name           = "DB1200_AC97",
  63        .owner          = THIS_MODULE,
  64        .dai_link       = &db1200_ac97_dai,
  65        .num_links      = 1,
  66};
  67
  68SND_SOC_DAILINK_DEFS(db1300_ac97,
  69        DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_ac97.1")),
  70        DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec.1", "wm9712-hifi")),
  71        DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
  72
  73static struct snd_soc_dai_link db1300_ac97_dai = {
  74        .name           = "AC97",
  75        .stream_name    = "AC97 HiFi",
  76        SND_SOC_DAILINK_REG(db1300_ac97),
  77};
  78
  79static struct snd_soc_card db1300_ac97_machine = {
  80        .name           = "DB1300_AC97",
  81        .owner          = THIS_MODULE,
  82        .dai_link       = &db1300_ac97_dai,
  83        .num_links      = 1,
  84};
  85
  86static struct snd_soc_card db1550_ac97_machine = {
  87        .name           = "DB1550_AC97",
  88        .owner          = THIS_MODULE,
  89        .dai_link       = &db1200_ac97_dai,
  90        .num_links      = 1,
  91};
  92
  93/*-------------------------  I2S PART  ---------------------------*/
  94
  95static int db1200_i2s_startup(struct snd_pcm_substream *substream)
  96{
  97        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  98        struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
  99
 100        /* WM8731 has its own 12MHz crystal */
 101        snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
 102                                12000000, SND_SOC_CLOCK_IN);
 103
 104        return 0;
 105}
 106
 107static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
 108        .startup        = db1200_i2s_startup,
 109};
 110
 111SND_SOC_DAILINK_DEFS(db1200_i2s,
 112        DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.1")),
 113        DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 114        DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.1")));
 115
 116static struct snd_soc_dai_link db1200_i2s_dai = {
 117        .name           = "WM8731",
 118        .stream_name    = "WM8731 PCM",
 119        .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 120                          SND_SOC_DAIFMT_CBM_CFM,
 121        .ops            = &db1200_i2s_wm8731_ops,
 122        SND_SOC_DAILINK_REG(db1200_i2s),
 123};
 124
 125static struct snd_soc_card db1200_i2s_machine = {
 126        .name           = "DB1200_I2S",
 127        .owner          = THIS_MODULE,
 128        .dai_link       = &db1200_i2s_dai,
 129        .num_links      = 1,
 130};
 131
 132SND_SOC_DAILINK_DEFS(db1300_i2s,
 133        DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.2")),
 134        DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 135        DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.2")));
 136
 137static struct snd_soc_dai_link db1300_i2s_dai = {
 138        .name           = "WM8731",
 139        .stream_name    = "WM8731 PCM",
 140        .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 141                          SND_SOC_DAIFMT_CBM_CFM,
 142        .ops            = &db1200_i2s_wm8731_ops,
 143        SND_SOC_DAILINK_REG(db1300_i2s),
 144};
 145
 146static struct snd_soc_card db1300_i2s_machine = {
 147        .name           = "DB1300_I2S",
 148        .owner          = THIS_MODULE,
 149        .dai_link       = &db1300_i2s_dai,
 150        .num_links      = 1,
 151};
 152
 153SND_SOC_DAILINK_DEFS(db1550_i2s,
 154        DAILINK_COMP_ARRAY(COMP_CPU("au1xpsc_i2s.3")),
 155        DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
 156        DAILINK_COMP_ARRAY(COMP_PLATFORM("au1xpsc-pcm.3")));
 157
 158static struct snd_soc_dai_link db1550_i2s_dai = {
 159        .name           = "WM8731",
 160        .stream_name    = "WM8731 PCM",
 161        .dai_fmt        = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
 162                          SND_SOC_DAIFMT_CBM_CFM,
 163        .ops            = &db1200_i2s_wm8731_ops,
 164        SND_SOC_DAILINK_REG(db1550_i2s),
 165};
 166
 167static struct snd_soc_card db1550_i2s_machine = {
 168        .name           = "DB1550_I2S",
 169        .owner          = THIS_MODULE,
 170        .dai_link       = &db1550_i2s_dai,
 171        .num_links      = 1,
 172};
 173
 174/*-------------------------  COMMON PART  ---------------------------*/
 175
 176static struct snd_soc_card *db1200_cards[] = {
 177        &db1200_ac97_machine,
 178        &db1200_i2s_machine,
 179        &db1300_ac97_machine,
 180        &db1300_i2s_machine,
 181        &db1550_ac97_machine,
 182        &db1550_i2s_machine,
 183};
 184
 185static int db1200_audio_probe(struct platform_device *pdev)
 186{
 187        const struct platform_device_id *pid = platform_get_device_id(pdev);
 188        struct snd_soc_card *card;
 189
 190        card = db1200_cards[pid->driver_data];
 191        card->dev = &pdev->dev;
 192        return devm_snd_soc_register_card(&pdev->dev, card);
 193}
 194
 195static struct platform_driver db1200_audio_driver = {
 196        .driver = {
 197                .name   = "db1200-ac97",
 198                .pm     = &snd_soc_pm_ops,
 199        },
 200        .id_table       = db1200_pids,
 201        .probe          = db1200_audio_probe,
 202};
 203
 204module_platform_driver(db1200_audio_driver);
 205
 206MODULE_LICENSE("GPL");
 207MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
 208MODULE_AUTHOR("Manuel Lauss");
 209