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/*
* 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_ */
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