/* * DB1200/DB1300/DB1550 ASoC audio fabric support code. * * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com> * */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-au1x00/au1xxx_psc.h> #include <asm/mach-au1x00/au1xxx_dbdma.h> #include <asm/mach-db1x00/bcsr.h> #include "../codecs/wm8731.h" #include "psc.h" static const struct platform_device_id db1200_pids[] = { { .name = "db1200-ac97", .driver_data = 0, }, { .name = "db1200-i2s", .driver_data = 1, }, { .name = "db1300-ac97", .driver_data = 2, }, { .name = "db1300-i2s", .driver_data = 3, }, { .name = "db1550-ac97", .driver_data = 4, }, { .name = "db1550-i2s", .driver_data = 5, }, {}, }; /*------------------------- AC97 PART ---------------------------*/ static struct snd_soc_dai_link db1200_ac97_dai = { .name = "AC97", .stream_name = "AC97 HiFi", .codec_dai_name = "ac97-hifi", .cpu_dai_name = "au1xpsc_ac97.1", .platform_name = "au1xpsc-pcm.1", .codec_name = "ac97-codec.1", }; static struct snd_soc_card db1200_ac97_machine = { .name = "DB1200_AC97", .owner = THIS_MODULE, .dai_link = &db1200_ac97_dai, .num_links = 1, }; static struct snd_soc_dai_link db1300_ac97_dai = { .name = "AC97", .stream_name = "AC97 HiFi", .codec_dai_name = "wm9712-hifi", .cpu_dai_name = "au1xpsc_ac97.1", .platform_name = "au1xpsc-pcm.1", .codec_name = "wm9712-codec.1", }; static struct snd_soc_card db1300_ac97_machine = { .name = "DB1300_AC97", .owner = THIS_MODULE, .dai_link = &db1300_ac97_dai, .num_links = 1, }; static struct snd_soc_card db1550_ac97_machine = { .name = "DB1550_AC97", .owner = THIS_MODULE, .dai_link = &db1200_ac97_dai, .num_links = 1, }; /*------------------------- I2S PART ---------------------------*/ static int db1200_i2s_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; /* WM8731 has its own 12MHz crystal */ snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, 12000000, SND_SOC_CLOCK_IN); return 0; } static struct snd_soc_ops db1200_i2s_wm8731_ops = { .startup = db1200_i2s_startup, }; static struct snd_soc_dai_link db1200_i2s_dai = { .name = "WM8731", .stream_name = "WM8731 PCM", .codec_dai_name = "wm8731-hifi", .cpu_dai_name = "au1xpsc_i2s.1", .platform_name = "au1xpsc-pcm.1", .codec_name = "wm8731.0-001b", .dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ops = &db1200_i2s_wm8731_ops, }; static struct snd_soc_card db1200_i2s_machine = { .name = "DB1200_I2S", .owner = THIS_MODULE, .dai_link = &db1200_i2s_dai, .num_links = 1, }; static struct snd_soc_dai_link db1300_i2s_dai = { .name = "WM8731", .stream_name = "WM8731 PCM", .codec_dai_name = "wm8731-hifi", .cpu_dai_name = "au1xpsc_i2s.2", .platform_name = "au1xpsc-pcm.2", .codec_name = "wm8731.0-001b", .dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ops = &db1200_i2s_wm8731_ops, }; static struct snd_soc_card db1300_i2s_machine = { .name = "DB1300_I2S", .owner = THIS_MODULE, .dai_link = &db1300_i2s_dai, .num_links = 1, }; static struct snd_soc_dai_link db1550_i2s_dai = { .name = "WM8731", .stream_name = "WM8731 PCM", .codec_dai_name = "wm8731-hifi", .cpu_dai_name = "au1xpsc_i2s.3", .platform_name = "au1xpsc-pcm.3", .codec_name = "wm8731.0-001b", .dai_fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .ops = &db1200_i2s_wm8731_ops, }; static struct snd_soc_card db1550_i2s_machine = { .name = "DB1550_I2S", .owner = THIS_MODULE, .dai_link = &db1550_i2s_dai, .num_links = 1, }; /*------------------------- COMMON PART ---------------------------*/ static struct snd_soc_card *db1200_cards[] = { &db1200_ac97_machine, &db1200_i2s_machine, &db1300_ac97_machine, &db1300_i2s_machine, &db1550_ac97_machine, &db1550_i2s_machine, }; static int db1200_audio_probe(struct platform_device *pdev) { const struct platform_device_id *pid = platform_get_device_id(pdev); struct snd_soc_card *card; card = db1200_cards[pid->driver_data]; card->dev = &pdev->dev; return devm_snd_soc_register_card(&pdev->dev, card); } static struct platform_driver db1200_audio_driver = { .driver = { .name = "db1200-ac97", .pm = &snd_soc_pm_ops, }, .id_table = db1200_pids, .probe = db1200_audio_probe, }; module_platform_driver(db1200_audio_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support"); MODULE_AUTHOR("Manuel Lauss");