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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#define FSI_PORT_A 0
16#define FSI_PORT_B 1
17
18#include <linux/clk.h>
19#include <sound/soc.h>
20
21/*
22 * flags format
23 *
24 * 0x000000BA
25 *
26 * A: inversion
27 * B: format mode
28 */
29
30/* A: clock inversion */
31#define SH_FSI_INVERSION_MASK 0x0000000F
32#define SH_FSI_LRM_INV (1 << 0)
33#define SH_FSI_BRM_INV (1 << 1)
34#define SH_FSI_LRS_INV (1 << 2)
35#define SH_FSI_BRS_INV (1 << 3)
36
37/* B: format mode */
38#define SH_FSI_FMT_MASK 0x000000F0
39#define SH_FSI_FMT_DAI (0 << 4)
40#define SH_FSI_FMT_SPDIF (1 << 4)
41
42
43/*
44 * set_rate return value
45 *
46 * see ACKMD/BPFMD on
47 * ACK_MD (FSI2)
48 * CKG1 (FSI)
49 *
50 * err : return value < 0
51 * no change : return value == 0
52 * change xMD : return value > 0
53 *
54 * 0x-00000AB
55 *
56 * A: ACKMD value
57 * B: BPFMD value
58 */
59
60#define SH_FSI_ACKMD_MASK (0xF << 0)
61#define SH_FSI_ACKMD_512 (1 << 0)
62#define SH_FSI_ACKMD_256 (2 << 0)
63#define SH_FSI_ACKMD_128 (3 << 0)
64#define SH_FSI_ACKMD_64 (4 << 0)
65#define SH_FSI_ACKMD_32 (5 << 0)
66
67#define SH_FSI_BPFMD_MASK (0xF << 4)
68#define SH_FSI_BPFMD_512 (1 << 4)
69#define SH_FSI_BPFMD_256 (2 << 4)
70#define SH_FSI_BPFMD_128 (3 << 4)
71#define SH_FSI_BPFMD_64 (4 << 4)
72#define SH_FSI_BPFMD_32 (5 << 4)
73#define SH_FSI_BPFMD_16 (6 << 4)
74
75struct sh_fsi_platform_info {
76 unsigned long porta_flags;
77 unsigned long portb_flags;
78 int (*set_rate)(struct device *dev, int is_porta, int rate, int enable);
79};
80
81#endif /* __SOUND_FSI_H */
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#include <linux/clk.h>
15#include <sound/soc.h>
16
17/*
18 * flags
19 */
20#define SH_FSI_FMT_SPDIF (1 << 0) /* spdif for HDMI */
21#define SH_FSI_ENABLE_STREAM_MODE (1 << 1) /* for 16bit data */
22#define SH_FSI_CLK_CPG (1 << 2) /* FSIxCK + FSI-DIV */
23
24struct sh_fsi_port_info {
25 unsigned long flags;
26 int tx_id;
27 int rx_id;
28};
29
30struct sh_fsi_platform_info {
31 struct sh_fsi_port_info port_a;
32 struct sh_fsi_port_info port_b;
33};
34
35#endif /* __SOUND_FSI_H */