[deliverable/linux.git] / include / sound / sh_fsi.h

#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 */
Commit	Line	Data
	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	* 0x00000CBA
	25	*
	26	* A: inversion
	27	* B: format mode
	28	* C: chip specific
	29	* D: clock selecter if master mode
	30	*/
	31
	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)
	38
	39	/* B: format mode */
	40	#define SH_FSI_FMT_MASK 0x000000F0
	41	#define SH_FSI_FMT_DAI (0 << 4)
	42	#define SH_FSI_FMT_SPDIF (1 << 4)
	43
	44	/* C: chip specific */
	45	#define SH_FSI_OPTION_MASK 0x00000F00
	46	#define SH_FSI_ENABLE_STREAM_MODE (1 << 8) /* for 16bit data */
	47
	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 */
	52
	53	/*
	54	* set_rate return value
	55	*
	56	* see ACKMD/BPFMD on
	57	* ACK_MD (FSI2)
	58	* CKG1 (FSI)
	59	*
	60	* err : return value < 0
	61	* no change : return value == 0
	62	* change xMD : return value > 0
	63	*
	64	* 0x-00000AB
	65	*
	66	* A: ACKMD value
	67	* B: BPFMD value
	68	*/
	69
	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)
	76
	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)
	84
	85	struct sh_fsi_port_info {
	86	unsigned long flags;
	87	int tx_id;
	88	int rx_id;
	89	int (set_rate)(struct device dev, int rate, int enable);
	90	};
	91
	92	struct sh_fsi_platform_info {
	93	struct sh_fsi_port_info port_a;
	94	struct sh_fsi_port_info port_b;
	95	};
	96
	97	#endif /* __SOUND_FSI_H */