[ALSA] Add PS3 sound driver

	  option.

endmenu

menu "ALSA PowerPC devices"

	depends on SND!=n && ( PPC64 || PPC32 )

config SND_PS3

	tristate "PS3 Audio support"

	depends on SND && PS3_PS3AV

	select SND_PCM

	default m

	help

	  Say Y here to include support for audio on the PS3

	  To compile this driver as a module, choose M here: the module

	  will be called snd_ps3.

config SND_PS3_DEFAULT_START_DELAY

	int "Startup delay time in ms"

	depends on SND_PS3

	default "2000"

endmenu

# Toplevel Module Dependency

obj-$(CONFIG_SND_POWERMAC)	+= snd-powermac.o

obj-$(CONFIG_SND_PS3)		+= snd_ps3.o

/*

 * Audio support for PS3

 * Copyright (C) 2007 Sony Computer Entertainment Inc.

 * All rights reserved.

 * Copyright 2006, 2007 Sony Corporation

 *

 * 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; version 2 of the Licence.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

 */

#if !defined(_SND_PS3_H_)

#define _SND_PS3_H_

#include <linux/irqreturn.h>

#define SND_PS3_DRIVER_NAME "snd_ps3"

enum snd_ps3_out_channel {

	SND_PS3_OUT_SPDIF_0,

	SND_PS3_OUT_SPDIF_1,

	SND_PS3_OUT_SERIAL_0,

	SND_PS3_OUT_DEVS

};

enum snd_ps3_dma_filltype {

	SND_PS3_DMA_FILLTYPE_FIRSTFILL,

	SND_PS3_DMA_FILLTYPE_RUNNING,

	SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL,

	SND_PS3_DMA_FILLTYPE_SILENT_RUNNING

};

enum snd_ps3_ch {

	SND_PS3_CH_L = 0,

	SND_PS3_CH_R = 1,

	SND_PS3_CH_MAX = 2

};

struct snd_ps3_avsetting_info {

	uint32_t avs_audio_ch;     /* fixed */

	uint32_t avs_audio_rate;

	uint32_t avs_audio_width;

	uint32_t avs_audio_format; /* fixed */

	uint32_t avs_audio_source; /* fixed */

};

/*

 * PS3 audio 'card' instance

 * there should be only ONE hardware.

 */

struct snd_ps3_card_info {

	struct ps3_system_bus_device *ps3_dev;

	struct snd_card *card;

	struct snd_pcm *pcm;

	struct snd_pcm_substream *substream;

	/* hvc info */

	u64 audio_lpar_addr;

	u64 audio_lpar_size;

	/* registers */

	void __iomem *mapped_mmio_vaddr;

	/* irq */

	u64 audio_irq_outlet;

	unsigned int irq_no;

	/* remember avsetting */

	struct snd_ps3_avsetting_info avs;

	/* dma buffer management */

	spinlock_t dma_lock;

		/* dma_lock start */

		void * dma_start_vaddr[2]; /* 0 for L, 1 for R */

		dma_addr_t dma_start_bus_addr[2];

		size_t dma_buffer_size;

		void * dma_last_transfer_vaddr[2];

		void * dma_next_transfer_vaddr[2];

		int    silent;

		/* dma_lock end */

	int running;

	/* null buffer */

	void *null_buffer_start_vaddr;

	dma_addr_t null_buffer_start_dma_addr;

	/* start delay */

	unsigned int start_delay;

};

/* PS3 audio DMAC block size in bytes */

#define PS3_AUDIO_DMAC_BLOCK_SIZE (128)

/* one stage (stereo)  of audio FIFO in bytes */

#define PS3_AUDIO_FIFO_STAGE_SIZE (256)

/* how many stages the fifo have */

#define PS3_AUDIO_FIFO_STAGE_COUNT (8)

/* fifo size 128 bytes * 8 stages * stereo (2ch) */

#define PS3_AUDIO_FIFO_SIZE \

	(PS3_AUDIO_FIFO_STAGE_SIZE * PS3_AUDIO_FIFO_STAGE_COUNT)

/* PS3 audio DMAC max block count in one dma shot = 128 (0x80) blocks*/

#define PS3_AUDIO_DMAC_MAX_BLOCKS  (PS3_AUDIO_DMASIZE_BLOCKS_MASK + 1)

#define PS3_AUDIO_NORMAL_DMA_START_CH (0)

#define PS3_AUDIO_NORMAL_DMA_COUNT    (8)

#define PS3_AUDIO_NULL_DMA_START_CH \

	(PS3_AUDIO_NORMAL_DMA_START_CH + PS3_AUDIO_NORMAL_DMA_COUNT)

#define PS3_AUDIO_NULL_DMA_COUNT      (2)

#define SND_PS3_MAX_VOL (0x0F)

#define SND_PS3_MIN_VOL (0x00)

#define SND_PS3_MIN_ATT SND_PS3_MIN_VOL

#define SND_PS3_MAX_ATT SND_PS3_MAX_VOL

#define SND_PS3_PCM_PREALLOC_SIZE \

	(PS3_AUDIO_DMAC_BLOCK_SIZE * PS3_AUDIO_DMAC_MAX_BLOCKS * 4)

#define SND_PS3_DMA_REGION_SIZE \

	(SND_PS3_PCM_PREALLOC_SIZE + PAGE_SIZE)

#define PS3_AUDIO_IOID       (1UL)

#endif /* _SND_PS3_H_ */