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c454fd4e MM |
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_ */ |