120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
#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
|
|
|
|
/* flags format
|
|
|
|
* 0xABCDEEFF
|
|
*
|
|
* A: channel size for TDM (input)
|
|
* B: channel size for TDM (ooutput)
|
|
* C: inversion
|
|
* D: mode
|
|
* E: input format
|
|
* F: output format
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
#include <sound/soc.h>
|
|
|
|
/* TDM channel */
|
|
#define SH_FSI_SET_CH_I(x) ((x & 0xF) << 28)
|
|
#define SH_FSI_SET_CH_O(x) ((x & 0xF) << 24)
|
|
|
|
#define SH_FSI_CH_IMASK 0xF0000000
|
|
#define SH_FSI_CH_OMASK 0x0F000000
|
|
#define SH_FSI_GET_CH_I(x) ((x & SH_FSI_CH_IMASK) >> 28)
|
|
#define SH_FSI_GET_CH_O(x) ((x & SH_FSI_CH_OMASK) >> 24)
|
|
|
|
/* clock inversion */
|
|
#define SH_FSI_INVERSION_MASK 0x00F00000
|
|
#define SH_FSI_LRM_INV (1 << 20)
|
|
#define SH_FSI_BRM_INV (1 << 21)
|
|
#define SH_FSI_LRS_INV (1 << 22)
|
|
#define SH_FSI_BRS_INV (1 << 23)
|
|
|
|
/* mode */
|
|
#define SH_FSI_MODE_MASK 0x000F0000
|
|
#define SH_FSI_IN_SLAVE_MODE (1 << 16) /* default master mode */
|
|
#define SH_FSI_OUT_SLAVE_MODE (1 << 17) /* default master mode */
|
|
|
|
/* DI format */
|
|
#define SH_FSI_FMT_MASK 0x000000FF
|
|
#define SH_FSI_IFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8)
|
|
#define SH_FSI_OFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 0)
|
|
#define SH_FSI_GET_IFMT(x) ((x >> 8) & SH_FSI_FMT_MASK)
|
|
#define SH_FSI_GET_OFMT(x) ((x >> 0) & SH_FSI_FMT_MASK)
|
|
|
|
#define SH_FSI_FMT_MONO 0
|
|
#define SH_FSI_FMT_MONO_DELAY 1
|
|
#define SH_FSI_FMT_PCM 2
|
|
#define SH_FSI_FMT_I2S 3
|
|
#define SH_FSI_FMT_TDM 4
|
|
#define SH_FSI_FMT_TDM_DELAY 5
|
|
#define SH_FSI_FMT_SPDIF 6
|
|
|
|
|
|
#define SH_FSI_IFMT_TDM_CH(x) \
|
|
(SH_FSI_IFMT(TDM) | SH_FSI_SET_CH_I(x))
|
|
#define SH_FSI_IFMT_TDM_DELAY_CH(x) \
|
|
(SH_FSI_IFMT(TDM_DELAY) | SH_FSI_SET_CH_I(x))
|
|
|
|
#define SH_FSI_OFMT_TDM_CH(x) \
|
|
(SH_FSI_OFMT(TDM) | SH_FSI_SET_CH_O(x))
|
|
#define SH_FSI_OFMT_TDM_DELAY_CH(x) \
|
|
(SH_FSI_OFMT(TDM_DELAY) | SH_FSI_SET_CH_O(x))
|
|
|
|
|
|
/*
|
|
* 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_platform_info {
|
|
unsigned long porta_flags;
|
|
unsigned long portb_flags;
|
|
int (*set_rate)(struct device *dev, int is_porta, int rate, int enable);
|
|
};
|
|
|
|
#endif /* __SOUND_FSI_H */
|