linux/sound/soc/au1x/db1200.c
<<
>>
Prefs
   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
  50static 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
  59static 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
  66static 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
  75static 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
  82static 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
  91static 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
 103static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
 104        .startup        = db1200_i2s_startup,
 105};
 106
 107static 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
 119static 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
 126static 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
 138static 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
 145static 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
 157static 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
 166static 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
 175static 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
 185static 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
 194module_platform_driver(db1200_audio_driver);
 195
 196MODULE_LICENSE("GPL");
 197MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
 198MODULE_AUTHOR("Manuel Lauss");
 199