Merge branch 'topic/atmel' into for-linus

include/sound/atmel-abdac.h

@@ -0,0 +1,23 @@
+/*
+ * Driver for the Atmel Audio Bitstream DAC (ABDAC)
+ *
+ * Copyright (C) 2009 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+#ifndef __INCLUDE_SOUND_ATMEL_ABDAC_H
+#define __INCLUDE_SOUND_ATMEL_ABDAC_H
+
+#include <linux/dw_dmac.h>
+
+/**
+ * struct atmel_abdac_pdata - board specific ABDAC configuration
+ * @dws: DMA slave interface to use for sound playback.
+ */
+struct atmel_abdac_pdata {
+	struct dw_dma_slave	dws;
+};
+
+#endif /* __INCLUDE_SOUND_ATMEL_ABDAC_H */

include/sound/atmel-ac97c.h

@@ -0,0 +1,40 @@
+/*
+ * Driver for the Atmel AC97C controller
+ *
+ * Copyright (C) 2005-2009 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+#ifndef __INCLUDE_SOUND_ATMEL_AC97C_H
+#define __INCLUDE_SOUND_ATMEL_AC97C_H
+
+#include <linux/dw_dmac.h>
+
+#define AC97C_CAPTURE	0x01
+#define AC97C_PLAYBACK	0x02
+#define AC97C_BOTH	(AC97C_CAPTURE | AC97C_PLAYBACK)
+
+/**
+ * struct atmel_ac97c_pdata - board specific AC97C configuration
+ * @rx_dws: DMA slave interface to use for sound capture.
+ * @tx_dws: DMA slave interface to use for sound playback.
+ * @reset_pin: GPIO pin wired to the reset input on the external AC97 codec,
+ *             optional to use, set to -ENODEV if not in use. AC97 layer will
+ *             try to do a software reset of the external codec anyway.
+ * @flags: Flags for which directions should be enabled.
+ *
+ * If the user do not want to use a DMA channel for playback or capture, i.e.
+ * only one feature is required on the board. The slave for playback or capture
+ * can be set to NULL. The AC97C driver will take use of this when setting up
+ * the sound streams.
+ */
+struct ac97c_platform_data {
+	struct dw_dma_slave	rx_dws;
+	struct dw_dma_slave	tx_dws;
+	unsigned int 		flags;
+	int			reset_pin;
+};
+
+#endif /* __INCLUDE_SOUND_ATMEL_AC97C_H */

sound/Kconfig

@@ -60,6 +60,8 @@ source "sound/aoa/Kconfig"
 
 source "sound/arm/Kconfig"
 
+source "sound/atmel/Kconfig"
+
 source "sound/spi/Kconfig"
 
 source "sound/mips/Kconfig"

sound/Makefile

@@ -6,7 +6,7 @@ obj-$(CONFIG_SOUND_PRIME) += sound_firmware.o
 obj-$(CONFIG_SOUND_PRIME) += oss/
 obj-$(CONFIG_DMASOUND) += oss/
 obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ \
-	sparc/ spi/ parisc/ pcmcia/ mips/ soc/
+	sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/
 obj-$(CONFIG_SND_AOA) += aoa/
 
 # This one must be compilable even if sound is configured out

sound/atmel/Kconfig

@@ -0,0 +1,19 @@
+menu "Atmel devices (AVR32 and AT91)"
+	depends on AVR32 || ARCH_AT91
+
+config SND_ATMEL_ABDAC
+	tristate "Atmel Audio Bitstream DAC (ABDAC) driver"
+	select SND_PCM
+	depends on DW_DMAC && AVR32
+	help
+	  ALSA sound driver for the Atmel Audio Bitstream DAC (ABDAC).
+
+config SND_ATMEL_AC97C
+	tristate "Atmel AC97 Controller (AC97C) driver"
+	select SND_PCM
+	select SND_AC97_CODEC
+	depends on DW_DMAC && AVR32
+	help
+	  ALSA sound driver for the Atmel AC97 controller.
+
+endmenu

sound/atmel/Makefile

@@ -0,0 +1,5 @@
+snd-atmel-abdac-objs		:= abdac.o
+snd-atmel-ac97c-objs		:= ac97c.o
+
+obj-$(CONFIG_SND_ATMEL_ABDAC)	+= snd-atmel-abdac.o
+obj-$(CONFIG_SND_ATMEL_AC97C)	+= snd-atmel-ac97c.o