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.
18 #include <linux/clk.h>
19 #include <sound/soc.h>
29 * D: clock selecter if master mode
32 /* A: clock inversion */
33 #define SH_FSI_INVERSION_MASK 0x0000000F
34 #define SH_FSI_LRM_INV (1 << 0)
35 #define SH_FSI_BRM_INV (1 << 1)
36 #define SH_FSI_LRS_INV (1 << 2)
37 #define SH_FSI_BRS_INV (1 << 3)
40 #define SH_FSI_FMT_MASK 0x000000F0
41 #define SH_FSI_FMT_DAI (0 << 4)
42 #define SH_FSI_FMT_SPDIF (1 << 4)
44 /* C: chip specific */
45 #define SH_FSI_OPTION_MASK 0x00000F00
46 #define SH_FSI_ENABLE_STREAM_MODE (1 << 8) /* for 16bit data */
48 /* D: clock selecter if master mode */
49 #define SH_FSI_CLK_MASK 0x0000F000
50 #define SH_FSI_CLK_EXTERNAL (0 << 12)
51 #define SH_FSI_CLK_CPG (1 << 12) /* FSIxCK + FSI-DIV */
54 * set_rate return value
60 * err : return value < 0
61 * no change : return value == 0
62 * change xMD : return value > 0
70 #define SH_FSI_ACKMD_MASK (0xF << 0)
71 #define SH_FSI_ACKMD_512 (1 << 0)
72 #define SH_FSI_ACKMD_256 (2 << 0)
73 #define SH_FSI_ACKMD_128 (3 << 0)
74 #define SH_FSI_ACKMD_64 (4 << 0)
75 #define SH_FSI_ACKMD_32 (5 << 0)
77 #define SH_FSI_BPFMD_MASK (0xF << 4)
78 #define SH_FSI_BPFMD_512 (1 << 4)
79 #define SH_FSI_BPFMD_256 (2 << 4)
80 #define SH_FSI_BPFMD_128 (3 << 4)
81 #define SH_FSI_BPFMD_64 (4 << 4)
82 #define SH_FSI_BPFMD_32 (5 << 4)
83 #define SH_FSI_BPFMD_16 (6 << 4)
85 struct sh_fsi_port_info
{
89 int (*set_rate
)(struct device
*dev
, int rate
, int enable
);
92 struct sh_fsi_platform_info
{
93 struct sh_fsi_port_info port_a
;
94 struct sh_fsi_port_info port_b
;
97 #endif /* __SOUND_FSI_H */