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) 110 111 struct 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 }; 116 117 #endif /* __SOUND_FSI_H */ 118