1 /* 2 * Audio support for PS3 3 * Copyright (C) 2007 Sony Computer Entertainment Inc. 4 * All rights reserved. 5 * Copyright 2006, 2007 Sony Corporation 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; version 2 of the Licence. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21 #if !defined(_SND_PS3_H_) 22 #define _SND_PS3_H_ 23 24 #include <linux/irqreturn.h> 25 26 #define SND_PS3_DRIVER_NAME "snd_ps3" 27 28 enum snd_ps3_out_channel { 29 SND_PS3_OUT_SPDIF_0, 30 SND_PS3_OUT_SPDIF_1, 31 SND_PS3_OUT_SERIAL_0, 32 SND_PS3_OUT_DEVS 33 }; 34 35 enum snd_ps3_dma_filltype { 36 SND_PS3_DMA_FILLTYPE_FIRSTFILL, 37 SND_PS3_DMA_FILLTYPE_RUNNING, 38 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL, 39 SND_PS3_DMA_FILLTYPE_SILENT_RUNNING 40 }; 41 42 enum snd_ps3_ch { 43 SND_PS3_CH_L = 0, 44 SND_PS3_CH_R = 1, 45 SND_PS3_CH_MAX = 2 46 }; 47 48 struct snd_ps3_avsetting_info { 49 uint32_t avs_audio_ch; /* fixed */ 50 uint32_t avs_audio_rate; 51 uint32_t avs_audio_width; 52 uint32_t avs_audio_format; /* fixed */ 53 uint32_t avs_audio_source; /* fixed */ 54 unsigned char avs_cs_info[8]; 55 }; 56 /* 57 * PS3 audio 'card' instance 58 * there should be only ONE hardware. 59 */ 60 struct snd_ps3_card_info { 61 struct ps3_system_bus_device *ps3_dev; 62 struct snd_card *card; 63 64 struct snd_pcm *pcm; 65 struct snd_pcm_substream *substream; 66 67 /* hvc info */ 68 u64 audio_lpar_addr; 69 u64 audio_lpar_size; 70 71 /* registers */ 72 void __iomem *mapped_mmio_vaddr; 73 74 /* irq */ 75 u64 audio_irq_outlet; 76 unsigned int irq_no; 77 78 /* remember avsetting */ 79 struct snd_ps3_avsetting_info avs; 80 81 /* dma buffer management */ 82 spinlock_t dma_lock; 83 /* dma_lock start */ 84 void * dma_start_vaddr[2]; /* 0 for L, 1 for R */ 85 dma_addr_t dma_start_bus_addr[2]; 86 size_t dma_buffer_size; 87 void * dma_last_transfer_vaddr[2]; 88 void * dma_next_transfer_vaddr[2]; 89 int silent; 90 /* dma_lock end */ 91 92 int running; 93 94 /* null buffer */ 95 void *null_buffer_start_vaddr; 96 dma_addr_t null_buffer_start_dma_addr; 97 98 /* start delay */ 99 unsigned int start_delay; 100 101 }; 102 103 104 /* PS3 audio DMAC block size in bytes */ 105 #define PS3_AUDIO_DMAC_BLOCK_SIZE (128) 106 /* one stage (stereo) of audio FIFO in bytes */ 107 #define PS3_AUDIO_FIFO_STAGE_SIZE (256) 108 /* how many stages the fifo have */ 109 #define PS3_AUDIO_FIFO_STAGE_COUNT (8) 110 /* fifo size 128 bytes * 8 stages * stereo (2ch) */ 111 #define PS3_AUDIO_FIFO_SIZE \ 112 (PS3_AUDIO_FIFO_STAGE_SIZE * PS3_AUDIO_FIFO_STAGE_COUNT) 113 114 /* PS3 audio DMAC max block count in one dma shot = 128 (0x80) blocks*/ 115 #define PS3_AUDIO_DMAC_MAX_BLOCKS (PS3_AUDIO_DMASIZE_BLOCKS_MASK + 1) 116 117 #define PS3_AUDIO_NORMAL_DMA_START_CH (0) 118 #define PS3_AUDIO_NORMAL_DMA_COUNT (8) 119 #define PS3_AUDIO_NULL_DMA_START_CH \ 120 (PS3_AUDIO_NORMAL_DMA_START_CH + PS3_AUDIO_NORMAL_DMA_COUNT) 121 #define PS3_AUDIO_NULL_DMA_COUNT (2) 122 123 #define SND_PS3_MAX_VOL (0x0F) 124 #define SND_PS3_MIN_VOL (0x00) 125 #define SND_PS3_MIN_ATT SND_PS3_MIN_VOL 126 #define SND_PS3_MAX_ATT SND_PS3_MAX_VOL 127 128 #define SND_PS3_PCM_PREALLOC_SIZE \ 129 (PS3_AUDIO_DMAC_BLOCK_SIZE * PS3_AUDIO_DMAC_MAX_BLOCKS * 4) 130 131 #define SND_PS3_DMA_REGION_SIZE \ 132 (SND_PS3_PCM_PREALLOC_SIZE + PAGE_SIZE) 133 134 #define PS3_AUDIO_IOID (1UL) 135 136 #endif /* _SND_PS3_H_ */ 137