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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 | ||
3c2ef841 KM |
15 | #define FSI_PORT_A 0 |
16 | #define FSI_PORT_B 1 | |
17 | ||
a4d7d550 KM |
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 | ||
095687c4 KM |
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 | |
3bc28070 KM |
67 | #define SH_FSI_FMT_SPDIF 6 |
68 | ||
a4d7d550 KM |
69 | |
70 | #define SH_FSI_IFMT_TDM_CH(x) \ | |
71 | (SH_FSI_IFMT(TDM) | SH_FSI_SET_CH_I(x)) | |
72 | #define SH_FSI_IFMT_TDM_DELAY_CH(x) \ | |
73 | (SH_FSI_IFMT(TDM_DELAY) | SH_FSI_SET_CH_I(x)) | |
74 | ||
75 | #define SH_FSI_OFMT_TDM_CH(x) \ | |
76 | (SH_FSI_OFMT(TDM) | SH_FSI_SET_CH_O(x)) | |
77 | #define SH_FSI_OFMT_TDM_DELAY_CH(x) \ | |
78 | (SH_FSI_OFMT(TDM_DELAY) | SH_FSI_SET_CH_O(x)) | |
79 | ||
ccad7b44 KM |
80 | |
81 | /* | |
82 | * set_rate return value | |
83 | * | |
84 | * see ACKMD/BPFMD on | |
85 | * ACK_MD (FSI2) | |
86 | * CKG1 (FSI) | |
87 | * | |
d4bc99b9 KM |
88 | * err : return value < 0 |
89 | * no change : return value == 0 | |
90 | * change xMD : return value > 0 | |
ccad7b44 KM |
91 | * |
92 | * 0x-00000AB | |
93 | * | |
94 | * A: ACKMD value | |
95 | * B: BPFMD value | |
96 | */ | |
97 | ||
98 | #define SH_FSI_ACKMD_MASK (0xF << 0) | |
99 | #define SH_FSI_ACKMD_512 (1 << 0) | |
100 | #define SH_FSI_ACKMD_256 (2 << 0) | |
101 | #define SH_FSI_ACKMD_128 (3 << 0) | |
102 | #define SH_FSI_ACKMD_64 (4 << 0) | |
103 | #define SH_FSI_ACKMD_32 (5 << 0) | |
104 | ||
105 | #define SH_FSI_BPFMD_MASK (0xF << 4) | |
106 | #define SH_FSI_BPFMD_512 (1 << 4) | |
107 | #define SH_FSI_BPFMD_256 (2 << 4) | |
108 | #define SH_FSI_BPFMD_128 (3 << 4) | |
109 | #define SH_FSI_BPFMD_64 (4 << 4) | |
110 | #define SH_FSI_BPFMD_32 (5 << 4) | |
111 | #define SH_FSI_BPFMD_16 (6 << 4) | |
112 | ||
a4d7d550 KM |
113 | struct sh_fsi_platform_info { |
114 | unsigned long porta_flags; | |
115 | unsigned long portb_flags; | |
d4bc99b9 | 116 | int (*set_rate)(struct device *dev, int is_porta, int rate, int enable); |
a4d7d550 KM |
117 | }; |
118 | ||
a4d7d550 | 119 | #endif /* __SOUND_FSI_H */ |