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#ifndef __SOUND_FSI_H
#define __SOUND_FSI_H
/*
* Fifo-attached Serial Interface (FSI) support for SH7724
*
* Copyright (C) 2009 Renesas Solutions Corp.
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#define FSI_PORT_A 0
#define FSI_PORT_B 1
#include <linux/clk.h>
#include <sound/soc.h>
/*
* flags format
*
* 0x00000CBA
*
* A: inversion
* B: format mode
* C: chip specific
* D: clock selecter if master mode
*/
/* A: clock inversion */
#define SH_FSI_INVERSION_MASK 0x0000000F
#define SH_FSI_LRM_INV (1 << 0)
#define SH_FSI_BRM_INV (1 << 1)
#define SH_FSI_LRS_INV (1 << 2)
#define SH_FSI_BRS_INV (1 << 3)
/* B: format mode */
#define SH_FSI_FMT_MASK 0x000000F0
#define SH_FSI_FMT_DAI (0 << 4)
#define SH_FSI_FMT_SPDIF (1 << 4)
/* C: chip specific */
#define SH_FSI_OPTION_MASK 0x00000F00
#define SH_FSI_ENABLE_STREAM_MODE (1 << 8) /* for 16bit data */
/* D: clock selecter if master mode */
#define SH_FSI_CLK_MASK 0x0000F000
#define SH_FSI_CLK_EXTERNAL (0 << 12)
#define SH_FSI_CLK_CPG (1 << 12) /* FSIxCK + FSI-DIV */
/*
* set_rate return value
*
* see ACKMD/BPFMD on
* ACK_MD (FSI2)
* CKG1 (FSI)
*
* err : return value < 0
* no change : return value == 0
* change xMD : return value > 0
*
* 0x-00000AB
*
* A: ACKMD value
* B: BPFMD value
*/
#define SH_FSI_ACKMD_MASK (0xF << 0)
#define SH_FSI_ACKMD_512 (1 << 0)
#define SH_FSI_ACKMD_256 (2 << 0)
#define SH_FSI_ACKMD_128 (3 << 0)
#define SH_FSI_ACKMD_64 (4 << 0)
#define SH_FSI_ACKMD_32 (5 << 0)
#define SH_FSI_BPFMD_MASK (0xF << 4)
#define SH_FSI_BPFMD_512 (1 << 4)
#define SH_FSI_BPFMD_256 (2 << 4)
#define SH_FSI_BPFMD_128 (3 << 4)
#define SH_FSI_BPFMD_64 (4 << 4)
#define SH_FSI_BPFMD_32 (5 << 4)
#define SH_FSI_BPFMD_16 (6 << 4)
struct sh_fsi_port_info {
unsigned long flags;
int tx_id;
int rx_id;
int (*set_rate)(struct device *dev, int rate, int enable);
};
struct sh_fsi_platform_info {
struct sh_fsi_port_info port_a;
struct sh_fsi_port_info port_b;
};
#endif /* __SOUND_FSI_H */
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