Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / au1x / db1200.c

diff --git a/kernel/sound/soc/au1x/db1200.c b/kernel/sound/soc/au1x/db1200.c
new file mode 100644 (file)
index 0000000..c75995f
--- /dev/null
+++ b/kernel/sound/soc/au1x/db1200.c
@@ -0,0 +1,201 @@
+/*
+ * 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",
+       .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",
+       .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");