5 * Fifo-attached Serial Interface (FSI) support for SH7724
7 * Copyright (C) 2009 Renesas Solutions Corp.
8 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
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.
22 * A: channel size for TDM (input)
23 * B: channel size for TDM (ooutput)
30 #include <linux/clk.h>
31 #include <sound/soc.h>
34 #define SH_FSI_SET_CH_I(x) ((x & 0xF) << 28)
35 #define SH_FSI_SET_CH_O(x) ((x & 0xF) << 24)
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)
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)
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 */
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)
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
67 #define SH_FSI_FMT_SPDIF 6
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))
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))
82 * set_rate return value
88 * err: return value < 0
96 #define SH_FSI_ACKMD_MASK (0xF << 0)
97 #define SH_FSI_ACKMD_512 (1 << 0)
98 #define SH_FSI_ACKMD_256 (2 << 0)
99 #define SH_FSI_ACKMD_128 (3 << 0)
100 #define SH_FSI_ACKMD_64 (4 << 0)
101 #define SH_FSI_ACKMD_32 (5 << 0)
103 #define SH_FSI_BPFMD_MASK (0xF << 4)
104 #define SH_FSI_BPFMD_512 (1 << 4)
105 #define SH_FSI_BPFMD_256 (2 << 4)
106 #define SH_FSI_BPFMD_128 (3 << 4)
107 #define SH_FSI_BPFMD_64 (4 << 4)
108 #define SH_FSI_BPFMD_32 (5 << 4)
109 #define SH_FSI_BPFMD_16 (6 << 4)
111 struct sh_fsi_platform_info {
112 unsigned long porta_flags;
113 unsigned long portb_flags;
114 int (*set_rate)(int is_porta, int rate); /* for master mode */
117 extern struct snd_soc_dai fsi_soc_dai[2];
118 extern struct snd_soc_platform fsi_soc_platform;
120 #endif /* __SOUND_FSI_H */