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-rw-r--r--sound/soc/au1x/db1200.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/sound/soc/au1x/db1200.c b/sound/soc/au1x/db1200.c
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+++ b/sound/soc/au1x/db1200.c
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+/*
+ * 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");