db1200.c (5389B)
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_CBP_CFP, 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_CBP_CFP, 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_CBP_CFP, 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");