137 lines
3.5 KiB
C
137 lines
3.5 KiB
C
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/*
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* Audio support for PS3
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* Copyright (C) 2007 Sony Computer Entertainment Inc.
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* All rights reserved.
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* Copyright 2006, 2007 Sony Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; version 2 of the Licence.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#if !defined(_SND_PS3_H_)
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#define _SND_PS3_H_
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#include <linux/irqreturn.h>
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#define SND_PS3_DRIVER_NAME "snd_ps3"
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enum snd_ps3_out_channel {
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SND_PS3_OUT_SPDIF_0,
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SND_PS3_OUT_SPDIF_1,
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SND_PS3_OUT_SERIAL_0,
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SND_PS3_OUT_DEVS
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};
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enum snd_ps3_dma_filltype {
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SND_PS3_DMA_FILLTYPE_FIRSTFILL,
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SND_PS3_DMA_FILLTYPE_RUNNING,
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SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL,
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SND_PS3_DMA_FILLTYPE_SILENT_RUNNING
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};
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enum snd_ps3_ch {
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SND_PS3_CH_L = 0,
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SND_PS3_CH_R = 1,
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SND_PS3_CH_MAX = 2
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};
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struct snd_ps3_avsetting_info {
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uint32_t avs_audio_ch; /* fixed */
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uint32_t avs_audio_rate;
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uint32_t avs_audio_width;
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uint32_t avs_audio_format; /* fixed */
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uint32_t avs_audio_source; /* fixed */
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unsigned char avs_cs_info[8];
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};
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/*
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* PS3 audio 'card' instance
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* there should be only ONE hardware.
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*/
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struct snd_ps3_card_info {
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struct ps3_system_bus_device *ps3_dev;
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struct snd_card *card;
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struct snd_pcm *pcm;
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struct snd_pcm_substream *substream;
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/* hvc info */
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u64 audio_lpar_addr;
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u64 audio_lpar_size;
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/* registers */
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void __iomem *mapped_mmio_vaddr;
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/* irq */
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u64 audio_irq_outlet;
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unsigned int irq_no;
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/* remember avsetting */
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struct snd_ps3_avsetting_info avs;
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/* dma buffer management */
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spinlock_t dma_lock;
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/* dma_lock start */
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void * dma_start_vaddr[2]; /* 0 for L, 1 for R */
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dma_addr_t dma_start_bus_addr[2];
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size_t dma_buffer_size;
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void * dma_last_transfer_vaddr[2];
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void * dma_next_transfer_vaddr[2];
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int silent;
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/* dma_lock end */
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int running;
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/* null buffer */
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void *null_buffer_start_vaddr;
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dma_addr_t null_buffer_start_dma_addr;
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/* start delay */
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unsigned int start_delay;
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};
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/* PS3 audio DMAC block size in bytes */
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#define PS3_AUDIO_DMAC_BLOCK_SIZE (128)
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/* one stage (stereo) of audio FIFO in bytes */
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#define PS3_AUDIO_FIFO_STAGE_SIZE (256)
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/* how many stages the fifo have */
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#define PS3_AUDIO_FIFO_STAGE_COUNT (8)
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/* fifo size 128 bytes * 8 stages * stereo (2ch) */
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#define PS3_AUDIO_FIFO_SIZE \
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(PS3_AUDIO_FIFO_STAGE_SIZE * PS3_AUDIO_FIFO_STAGE_COUNT)
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/* PS3 audio DMAC max block count in one dma shot = 128 (0x80) blocks*/
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#define PS3_AUDIO_DMAC_MAX_BLOCKS (PS3_AUDIO_DMASIZE_BLOCKS_MASK + 1)
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#define PS3_AUDIO_NORMAL_DMA_START_CH (0)
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#define PS3_AUDIO_NORMAL_DMA_COUNT (8)
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#define PS3_AUDIO_NULL_DMA_START_CH \
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(PS3_AUDIO_NORMAL_DMA_START_CH + PS3_AUDIO_NORMAL_DMA_COUNT)
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#define PS3_AUDIO_NULL_DMA_COUNT (2)
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#define SND_PS3_MAX_VOL (0x0F)
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#define SND_PS3_MIN_VOL (0x00)
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#define SND_PS3_MIN_ATT SND_PS3_MIN_VOL
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#define SND_PS3_MAX_ATT SND_PS3_MAX_VOL
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#define SND_PS3_PCM_PREALLOC_SIZE \
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(PS3_AUDIO_DMAC_BLOCK_SIZE * PS3_AUDIO_DMAC_MAX_BLOCKS * 4)
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#define SND_PS3_DMA_REGION_SIZE \
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(SND_PS3_PCM_PREALLOC_SIZE + PAGE_SIZE)
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#define PS3_AUDIO_IOID (1UL)
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#endif /* _SND_PS3_H_ */
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