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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 | ||
15 | /* flags format | |
16 | ||
17 | * 0xABCDEEFF | |
18 | * | |
19 | * A: channel size for TDM (input) | |
20 | * B: channel size for TDM (ooutput) | |
21 | * C: inversion | |
22 | * D: mode | |
23 | * E: input format | |
24 | * F: output format | |
25 | */ | |
26 | ||
27 | #include <linux/clk.h> | |
28 | #include <sound/soc.h> | |
29 | ||
30 | /* TDM channel */ | |
31 | #define SH_FSI_SET_CH_I(x) ((x & 0xF) << 28) | |
32 | #define SH_FSI_SET_CH_O(x) ((x & 0xF) << 24) | |
33 | ||
34 | #define SH_FSI_CH_IMASK 0xF0000000 | |
35 | #define SH_FSI_CH_OMASK 0x0F000000 | |
36 | #define SH_FSI_GET_CH_I(x) ((x & SH_FSI_CH_IMASK) >> 28) | |
37 | #define SH_FSI_GET_CH_O(x) ((x & SH_FSI_CH_OMASK) >> 24) | |
38 | ||
39 | /* clock inversion */ | |
40 | #define SH_FSI_INVERSION_MASK 0x00F00000 | |
41 | #define SH_FSI_LRM_INV (1 << 20) | |
42 | #define SH_FSI_BRM_INV (1 << 21) | |
43 | #define SH_FSI_LRS_INV (1 << 22) | |
44 | #define SH_FSI_BRS_INV (1 << 23) | |
45 | ||
46 | /* mode */ | |
47 | #define SH_FSI_MODE_MASK 0x000F0000 | |
48 | #define SH_FSI_IN_SLAVE_MODE (1 << 16) /* default master mode */ | |
49 | #define SH_FSI_OUT_SLAVE_MODE (1 << 17) /* default master mode */ | |
50 | ||
51 | /* DI format */ | |
52 | #define SH_FSI_FMT_MASK 0x000000FF | |
53 | #define SH_FSI_IFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8) | |
54 | #define SH_FSI_OFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 0) | |
55 | #define SH_FSI_GET_IFMT(x) ((x >> 8) & SH_FSI_FMT_MASK) | |
56 | #define SH_FSI_GET_OFMT(x) ((x >> 0) & SH_FSI_FMT_MASK) | |
57 | ||
58 | #define SH_FSI_FMT_MONO (1 << 0) | |
59 | #define SH_FSI_FMT_MONO_DELAY (1 << 1) | |
60 | #define SH_FSI_FMT_PCM (1 << 2) | |
61 | #define SH_FSI_FMT_I2S (1 << 3) | |
62 | #define SH_FSI_FMT_TDM (1 << 4) | |
63 | #define SH_FSI_FMT_TDM_DELAY (1 << 5) | |
64 | ||
65 | #define SH_FSI_IFMT_TDM_CH(x) \ | |
66 | (SH_FSI_IFMT(TDM) | SH_FSI_SET_CH_I(x)) | |
67 | #define SH_FSI_IFMT_TDM_DELAY_CH(x) \ | |
68 | (SH_FSI_IFMT(TDM_DELAY) | SH_FSI_SET_CH_I(x)) | |
69 | ||
70 | #define SH_FSI_OFMT_TDM_CH(x) \ | |
71 | (SH_FSI_OFMT(TDM) | SH_FSI_SET_CH_O(x)) | |
72 | #define SH_FSI_OFMT_TDM_DELAY_CH(x) \ | |
73 | (SH_FSI_OFMT(TDM_DELAY) | SH_FSI_SET_CH_O(x)) | |
74 | ||
75 | struct sh_fsi_platform_info { | |
76 | unsigned long porta_flags; | |
77 | unsigned long portb_flags; | |
78 | }; | |
79 | ||
80 | extern struct snd_soc_dai fsi_soc_dai[2]; | |
81 | extern struct snd_soc_platform fsi_soc_platform; | |
82 | ||
83 | #endif /* __SOUND_FSI_H */ |