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
28enum 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
35enum 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
42enum snd_ps3_ch {
43	SND_PS3_CH_L = 0,
44	SND_PS3_CH_R = 1,
45	SND_PS3_CH_MAX = 2
46};
47
48struct 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 */
60struct 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