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ASoC: fsi: Add specified ID for soc-audio
[net-next-2.6.git] / include / sound / sh_fsi.h
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1#ifndef __SOUND_FSI_H
2#define __SOUND_FSI_H
3
4/*
5 * Fifo-attached Serial Interface (FSI) support for SH7724
6 *
7 * Copyright (C) 2009 Renesas Solutions Corp.
8 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
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15#define FSI_PORT_A 0
16#define FSI_PORT_B 1
17
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18/* flags format
19
20 * 0xABCDEEFF
21 *
22 * A: channel size for TDM (input)
23 * B: channel size for TDM (ooutput)
24 * C: inversion
25 * D: mode
26 * E: input format
27 * F: output format
28 */
29
30#include <linux/clk.h>
31#include <sound/soc.h>
32
33/* TDM channel */
34#define SH_FSI_SET_CH_I(x) ((x & 0xF) << 28)
35#define SH_FSI_SET_CH_O(x) ((x & 0xF) << 24)
36
37#define SH_FSI_CH_IMASK 0xF0000000
38#define SH_FSI_CH_OMASK 0x0F000000
39#define SH_FSI_GET_CH_I(x) ((x & SH_FSI_CH_IMASK) >> 28)
40#define SH_FSI_GET_CH_O(x) ((x & SH_FSI_CH_OMASK) >> 24)
41
42/* clock inversion */
43#define SH_FSI_INVERSION_MASK 0x00F00000
44#define SH_FSI_LRM_INV (1 << 20)
45#define SH_FSI_BRM_INV (1 << 21)
46#define SH_FSI_LRS_INV (1 << 22)
47#define SH_FSI_BRS_INV (1 << 23)
48
49/* mode */
50#define SH_FSI_MODE_MASK 0x000F0000
51#define SH_FSI_IN_SLAVE_MODE (1 << 16) /* default master mode */
52#define SH_FSI_OUT_SLAVE_MODE (1 << 17) /* default master mode */
53
54/* DI format */
55#define SH_FSI_FMT_MASK 0x000000FF
56#define SH_FSI_IFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8)
57#define SH_FSI_OFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 0)
58#define SH_FSI_GET_IFMT(x) ((x >> 8) & SH_FSI_FMT_MASK)
59#define SH_FSI_GET_OFMT(x) ((x >> 0) & SH_FSI_FMT_MASK)
60
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61#define SH_FSI_FMT_MONO 0
62#define SH_FSI_FMT_MONO_DELAY 1
63#define SH_FSI_FMT_PCM 2
64#define SH_FSI_FMT_I2S 3
65#define SH_FSI_FMT_TDM 4
66#define SH_FSI_FMT_TDM_DELAY 5
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67
68#define SH_FSI_IFMT_TDM_CH(x) \
69 (SH_FSI_IFMT(TDM) | SH_FSI_SET_CH_I(x))
70#define SH_FSI_IFMT_TDM_DELAY_CH(x) \
71 (SH_FSI_IFMT(TDM_DELAY) | SH_FSI_SET_CH_I(x))
72
73#define SH_FSI_OFMT_TDM_CH(x) \
74 (SH_FSI_OFMT(TDM) | SH_FSI_SET_CH_O(x))
75#define SH_FSI_OFMT_TDM_DELAY_CH(x) \
76 (SH_FSI_OFMT(TDM_DELAY) | SH_FSI_SET_CH_O(x))
77
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78
79/*
80 * set_rate return value
81 *
82 * see ACKMD/BPFMD on
83 * ACK_MD (FSI2)
84 * CKG1 (FSI)
85 *
86 * err: return value < 0
87 *
88 * 0x-00000AB
89 *
90 * A: ACKMD value
91 * B: BPFMD value
92 */
93
94#define SH_FSI_ACKMD_MASK (0xF << 0)
95#define SH_FSI_ACKMD_512 (1 << 0)
96#define SH_FSI_ACKMD_256 (2 << 0)
97#define SH_FSI_ACKMD_128 (3 << 0)
98#define SH_FSI_ACKMD_64 (4 << 0)
99#define SH_FSI_ACKMD_32 (5 << 0)
100
101#define SH_FSI_BPFMD_MASK (0xF << 4)
102#define SH_FSI_BPFMD_512 (1 << 4)
103#define SH_FSI_BPFMD_256 (2 << 4)
104#define SH_FSI_BPFMD_128 (3 << 4)
105#define SH_FSI_BPFMD_64 (4 << 4)
106#define SH_FSI_BPFMD_32 (5 << 4)
107#define SH_FSI_BPFMD_16 (6 << 4)
108
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109struct sh_fsi_platform_info {
110 unsigned long porta_flags;
111 unsigned long portb_flags;
ccad7b44 112 int (*set_rate)(int is_porta, int rate); /* for master mode */
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113};
114
115extern struct snd_soc_dai fsi_soc_dai[2];
116extern struct snd_soc_platform fsi_soc_platform;
117
118#endif /* __SOUND_FSI_H */