sound/ppc/snd_ps3.h

   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 };
  55 /*
  56  * PS3 audio 'card' instance
  57  * there should be only ONE hardware.
  58  */
  59 struct snd_ps3_card_info {
  60         struct ps3_system_bus_device *ps3_dev;
  61         struct snd_card *card;
  62
  63         struct snd_pcm *pcm;
  64         struct snd_pcm_substream *substream;
  65
  66         /* hvc info */
  67         u64 audio_lpar_addr;
  68         u64 audio_lpar_size;
  69
  70         /* registers */
  71         void __iomem *mapped_mmio_vaddr;
  72
  73         /* irq */
  74         u64 audio_irq_outlet;
  75         unsigned int irq_no;
  76
  77         /* remember avsetting */
  78         struct snd_ps3_avsetting_info avs;
  79
  80         /* dma buffer management */
  81         spinlock_t dma_lock;
  82                 /* dma_lock start */
  83                 void * dma_start_vaddr[2]; /* 0 for L, 1 for R */
  84                 dma_addr_t dma_start_bus_addr[2];
  85                 size_t dma_buffer_size;
  86                 void * dma_last_transfer_vaddr[2];
  87                 void * dma_next_transfer_vaddr[2];
  88                 int    silent;
  89                 /* dma_lock end */
  90
  91         int running;
  92
  93         /* null buffer */
  94         void *null_buffer_start_vaddr;
  95         dma_addr_t null_buffer_start_dma_addr;
  96
  97         /* start delay */
  98         unsigned int start_delay;
  99
 100 };
 101
 102
 103 /* PS3 audio DMAC block size in bytes */
 104 #define PS3_AUDIO_DMAC_BLOCK_SIZE (128)
 105 /* one stage (stereo)  of audio FIFO in bytes */
 106 #define PS3_AUDIO_FIFO_STAGE_SIZE (256)
 107 /* how many stages the fifo have */
 108 #define PS3_AUDIO_FIFO_STAGE_COUNT (8)
 109 /* fifo size 128 bytes * 8 stages * stereo (2ch) */
 110 #define PS3_AUDIO_FIFO_SIZE \
 111         (PS3_AUDIO_FIFO_STAGE_SIZE * PS3_AUDIO_FIFO_STAGE_COUNT)
 112
 113 /* PS3 audio DMAC max block count in one dma shot = 128 (0x80) blocks*/
 114 #define PS3_AUDIO_DMAC_MAX_BLOCKS  (PS3_AUDIO_DMASIZE_BLOCKS_MASK + 1)
 115
 116 #define PS3_AUDIO_NORMAL_DMA_START_CH (0)
 117 #define PS3_AUDIO_NORMAL_DMA_COUNT    (8)
 118 #define PS3_AUDIO_NULL_DMA_START_CH \
 119         (PS3_AUDIO_NORMAL_DMA_START_CH + PS3_AUDIO_NORMAL_DMA_COUNT)
 120 #define PS3_AUDIO_NULL_DMA_COUNT      (2)
 121
 122 #define SND_PS3_MAX_VOL (0x0F)
 123 #define SND_PS3_MIN_VOL (0x00)
 124 #define SND_PS3_MIN_ATT SND_PS3_MIN_VOL
 125 #define SND_PS3_MAX_ATT SND_PS3_MAX_VOL
 126
 127 #define SND_PS3_PCM_PREALLOC_SIZE \
 128         (PS3_AUDIO_DMAC_BLOCK_SIZE * PS3_AUDIO_DMAC_MAX_BLOCKS * 4)
 129
 130 #define SND_PS3_DMA_REGION_SIZE \
 131         (SND_PS3_PCM_PREALLOC_SIZE + PAGE_SIZE)
 132
 133 #define PS3_AUDIO_IOID       (1UL)
 134
 135 #endif /* _SND_PS3_H_ */