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>
31 /* A: clock inversion */
32 #define SH_FSI_INVERSION_MASK 0x0000000F
33 #define SH_FSI_LRM_INV (1 << 0)
34 #define SH_FSI_BRM_INV (1 << 1)
35 #define SH_FSI_LRS_INV (1 << 2)
36 #define SH_FSI_BRS_INV (1 << 3)
39 #define SH_FSI_FMT_MASK 0x000000F0
40 #define SH_FSI_FMT_DAI (0 << 4)
41 #define SH_FSI_FMT_SPDIF (1 << 4)
43 /* C: chip specific */
44 #define SH_FSI_OPTION_MASK 0x00000F00
45 #define SH_FSI_ENABLE_STREAM_MODE (1 << 8) /* for 16bit data */
48 * set_rate return value
54 * err : return value < 0
55 * no change : return value == 0
56 * change xMD : return value > 0
64 #define SH_FSI_ACKMD_MASK (0xF << 0)
65 #define SH_FSI_ACKMD_512 (1 << 0)
66 #define SH_FSI_ACKMD_256 (2 << 0)
67 #define SH_FSI_ACKMD_128 (3 << 0)
68 #define SH_FSI_ACKMD_64 (4 << 0)
69 #define SH_FSI_ACKMD_32 (5 << 0)
71 #define SH_FSI_BPFMD_MASK (0xF << 4)
72 #define SH_FSI_BPFMD_512 (1 << 4)
73 #define SH_FSI_BPFMD_256 (2 << 4)
74 #define SH_FSI_BPFMD_128 (3 << 4)
75 #define SH_FSI_BPFMD_64 (4 << 4)
76 #define SH_FSI_BPFMD_32 (5 << 4)
77 #define SH_FSI_BPFMD_16 (6 << 4)
79 struct sh_fsi_port_info {
83 int (*set_rate)(struct device *dev, int rate, int enable);
86 struct sh_fsi_platform_info {
87 struct sh_fsi_port_info port_a;
88 struct sh_fsi_port_info port_b;
91 #endif /* __SOUND_FSI_H */