| /* |
| * 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 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 snd_soc_register_card(card); |
| } |
| |
| static int db1200_audio_remove(struct platform_device *pdev) |
| { |
| struct snd_soc_card *card = platform_get_drvdata(pdev); |
| snd_soc_unregister_card(card); |
| return 0; |
| } |
| |
| static struct platform_driver db1200_audio_driver = { |
| .driver = { |
| .name = "db1200-ac97", |
| .pm = &snd_soc_pm_ops, |
| }, |
| .id_table = db1200_pids, |
| .probe = db1200_audio_probe, |
| .remove = db1200_audio_remove, |
| }; |
| |
| module_platform_driver(db1200_audio_driver); |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support"); |
| MODULE_AUTHOR("Manuel Lauss"); |