[ALSA] ASoC Samsung S3C24xx audio DMA
This patch by Ben Dooks from Simtec Electronics adds ASoC audio DMA
support for the Samsung S3C24xx CPU.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Graeme Gregory <gg@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.h b/sound/soc/s3c24xx/s3c24xx-pcm.h
new file mode 100644
index 0000000..5dced4a
--- /dev/null
+++ b/sound/soc/s3c24xx/s3c24xx-pcm.h
@@ -0,0 +1,32 @@
+/*
+ * s3c24xx-pcm.h --
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * ALSA PCM interface for the Samsung S3C24xx CPU
+ */
+
+#ifndef _S3C24XX_PCM_H
+#define _S3C24XX_PCM_H
+
+#define ST_RUNNING (1<<0)
+#define ST_OPENED (1<<1)
+
+struct s3c24xx_pcm_dma_params {
+ struct s3c2410_dma_client *client; /* stream identifier */
+ int channel; /* Channel ID */
+ dma_addr_t dma_addr;
+};
+
+#define S3C24XX_DAI_I2S 0
+
+extern struct snd_soc_cpu_dai s3c24xx_i2s_dai;
+
+/* platform data */
+extern struct snd_soc_platform s3c24xx_soc_platform;
+extern struct snd_ac97_bus_ops s3c24xx_ac97_ops;
+
+#endif