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/* flags format 19 20 * 0xABCDEEFF 21 * 22 * A: channel size for TDM (input) 23 * B: channel size for TDM (ooutput) 24 * C: inversion 25 * D: mode 26 * E: input format 27 * F: output format 28 */ 29 30#include <linux/clk.h> 31#include <sound/soc.h> 32 33/* TDM channel */ 34#define SH_FSI_SET_CH_I(x) ((x & 0xF) << 28) 35#define SH_FSI_SET_CH_O(x) ((x & 0xF) << 24) 36 37#define SH_FSI_CH_IMASK 0xF0000000 38#define SH_FSI_CH_OMASK 0x0F000000 39#define SH_FSI_GET_CH_I(x) ((x & SH_FSI_CH_IMASK) >> 28) 40#define SH_FSI_GET_CH_O(x) ((x & SH_FSI_CH_OMASK) >> 24) 41 42/* clock inversion */ 43#define SH_FSI_INVERSION_MASK 0x00F00000 44#define SH_FSI_LRM_INV (1 << 20) 45#define SH_FSI_BRM_INV (1 << 21) 46#define SH_FSI_LRS_INV (1 << 22) 47#define SH_FSI_BRS_INV (1 << 23) 48 49/* mode */ 50#define SH_FSI_MODE_MASK 0x000F0000 51#define SH_FSI_IN_SLAVE_MODE (1 << 16) /* default master mode */ 52#define SH_FSI_OUT_SLAVE_MODE (1 << 17) /* default master mode */ 53 54/* DI format */ 55#define SH_FSI_FMT_MASK 0x000000FF 56#define SH_FSI_IFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8) 57#define SH_FSI_OFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 0) 58#define SH_FSI_GET_IFMT(x) ((x >> 8) & SH_FSI_FMT_MASK) 59#define SH_FSI_GET_OFMT(x) ((x >> 0) & SH_FSI_FMT_MASK) 60 61#define SH_FSI_FMT_MONO 0 62#define SH_FSI_FMT_MONO_DELAY 1 63#define SH_FSI_FMT_PCM 2 64#define SH_FSI_FMT_I2S 3 65#define SH_FSI_FMT_TDM 4 66#define SH_FSI_FMT_TDM_DELAY 5 67#define SH_FSI_FMT_SPDIF 6 68 69 70#define SH_FSI_IFMT_TDM_CH(x) \ 71 (SH_FSI_IFMT(TDM) | SH_FSI_SET_CH_I(x)) 72#define SH_FSI_IFMT_TDM_DELAY_CH(x) \ 73 (SH_FSI_IFMT(TDM_DELAY) | SH_FSI_SET_CH_I(x)) 74 75#define SH_FSI_OFMT_TDM_CH(x) \ 76 (SH_FSI_OFMT(TDM) | SH_FSI_SET_CH_O(x)) 77#define SH_FSI_OFMT_TDM_DELAY_CH(x) \ 78 (SH_FSI_OFMT(TDM_DELAY) | SH_FSI_SET_CH_O(x)) 79 80 81/* 82 * set_rate return value 83 * 84 * see ACKMD/BPFMD on 85 * ACK_MD (FSI2) 86 * CKG1 (FSI) 87 * 88 * err: return value < 0 89 * 90 * 0x-00000AB 91 * 92 * A: ACKMD value 93 * B: BPFMD value 94 */ 95 96#define SH_FSI_ACKMD_MASK (0xF << 0) 97#define SH_FSI_ACKMD_512 (1 << 0) 98#define SH_FSI_ACKMD_256 (2 << 0) 99#define SH_FSI_ACKMD_128 (3 << 0) 100#define SH_FSI_ACKMD_64 (4 << 0) 101#define SH_FSI_ACKMD_32 (5 << 0) 102 103#define SH_FSI_BPFMD_MASK (0xF << 4) 104#define SH_FSI_BPFMD_512 (1 << 4) 105#define SH_FSI_BPFMD_256 (2 << 4) 106#define SH_FSI_BPFMD_128 (3 << 4) 107#define SH_FSI_BPFMD_64 (4 << 4) 108#define SH_FSI_BPFMD_32 (5 << 4) 109#define SH_FSI_BPFMD_16 (6 << 4) 110 111struct sh_fsi_platform_info { 112 unsigned long porta_flags; 113 unsigned long portb_flags; 114 int (*set_rate)(int is_porta, int rate); /* for master mode */ 115}; 116 117extern struct snd_soc_dai fsi_soc_dai[2]; 118extern struct snd_soc_platform fsi_soc_platform; 119 120#endif /* __SOUND_FSI_H */ 121