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Kuninori Morimotoa4d7d552009-08-20 21:01:05 +09001#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
Kuninori Morimoto3c2ef842010-07-16 19:51:06 +090015#define FSI_PORT_A 0
16#define FSI_PORT_B 1
17
Kuninori Morimotoa4d7d552009-08-20 21:01:05 +090018#include <linux/clk.h>
19#include <sound/soc.h>
20
Kuninori Morimotof17c13c2011-01-24 10:43:19 +090021/*
22 * flags format
23 *
Kuninori Morimoto766812e2012-05-17 17:36:47 -070024 * 0x00000CBA
Kuninori Morimotof17c13c2011-01-24 10:43:19 +090025 *
26 * A: inversion
27 * B: format mode
Kuninori Morimoto766812e2012-05-17 17:36:47 -070028 * C: chip specific
Kuninori Morimotof17c13c2011-01-24 10:43:19 +090029 */
Kuninori Morimotoa4d7d552009-08-20 21:01:05 +090030
Kuninori Morimotof17c13c2011-01-24 10:43:19 +090031/* 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)
Kuninori Morimotoa4d7d552009-08-20 21:01:05 +090037
Kuninori Morimotof17c13c2011-01-24 10:43:19 +090038/* B: format mode */
39#define SH_FSI_FMT_MASK 0x000000F0
40#define SH_FSI_FMT_DAI (0 << 4)
41#define SH_FSI_FMT_SPDIF (1 << 4)
Kuninori Morimotoa4d7d552009-08-20 21:01:05 +090042
Kuninori Morimoto766812e2012-05-17 17:36:47 -070043/* C: chip specific */
44#define SH_FSI_OPTION_MASK 0x00000F00
45#define SH_FSI_ENABLE_STREAM_MODE (1 << 8) /* for 16bit data */
Kuninori Morimotoccad7b42010-07-13 12:13:14 +090046
47/*
48 * set_rate return value
49 *
50 * see ACKMD/BPFMD on
51 * ACK_MD (FSI2)
52 * CKG1 (FSI)
53 *
Kuninori Morimotod4bc99b2010-11-24 02:44:06 +000054 * err : return value < 0
55 * no change : return value == 0
56 * change xMD : return value > 0
Kuninori Morimotoccad7b42010-07-13 12:13:14 +090057 *
58 * 0x-00000AB
59 *
60 * A: ACKMD value
61 * B: BPFMD value
62 */
63
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)
70
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)
78
Kuninori Morimotofec691e2012-02-03 00:58:48 -080079struct sh_fsi_port_info {
80 unsigned long flags;
Kuninori Morimoto7da9ced2012-02-03 00:59:33 -080081 int tx_id;
82 int rx_id;
Kuninori Morimotofec691e2012-02-03 00:58:48 -080083 int (*set_rate)(struct device *dev, int rate, int enable);
84};
85
Kuninori Morimotoa4d7d552009-08-20 21:01:05 +090086struct sh_fsi_platform_info {
Kuninori Morimotofec691e2012-02-03 00:58:48 -080087 struct sh_fsi_port_info port_a;
88 struct sh_fsi_port_info port_b;
Kuninori Morimotoa4d7d552009-08-20 21:01:05 +090089};
90
Kuninori Morimotoa4d7d552009-08-20 21:01:05 +090091#endif /* __SOUND_FSI_H */