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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | /* * 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 */ unsigned char avs_cs_info[8]; }; /* * 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_ */ |