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"); 210