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 /* flags format 16 17 * 0xABCDEEFF 18 * 19 * A: channel size for TDM (input) 20 * B: channel size for TDM (ooutput) 21 * C: inversion 22 * D: mode 23 * E: input format 24 * F: output format 25 */ 26 27 #include <linux/clk.h> 28 #include <sound/soc.h> 29 30 /* TDM channel */ 31 #define SH_FSI_SET_CH_I(x) ((x & 0xF) << 28) 32 #define SH_FSI_SET_CH_O(x) ((x & 0xF) << 24) 33 34 #define SH_FSI_CH_IMASK 0xF0000000 35 #define SH_FSI_CH_OMASK 0x0F000000 36 #define SH_FSI_GET_CH_I(x) ((x & SH_FSI_CH_IMASK) >> 28) 37 #define SH_FSI_GET_CH_O(x) ((x & SH_FSI_CH_OMASK) >> 24) 38 39 /* clock inversion */ 40 #define SH_FSI_INVERSION_MASK 0x00F00000 41 #define SH_FSI_LRM_INV (1 << 20) 42 #define SH_FSI_BRM_INV (1 << 21) 43 #define SH_FSI_LRS_INV (1 << 22) 44 #define SH_FSI_BRS_INV (1 << 23) 45 46 /* mode */ 47 #define SH_FSI_MODE_MASK 0x000F0000 48 #define SH_FSI_IN_SLAVE_MODE (1 << 16) /* default master mode */ 49 #define SH_FSI_OUT_SLAVE_MODE (1 << 17) /* default master mode */ 50 51 /* DI format */ 52 #define SH_FSI_FMT_MASK 0x000000FF 53 #define SH_FSI_IFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8) 54 #define SH_FSI_OFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 0) 55 #define SH_FSI_GET_IFMT(x) ((x >> 8) & SH_FSI_FMT_MASK) 56 #define SH_FSI_GET_OFMT(x) ((x >> 0) & SH_FSI_FMT_MASK) 57 58 #define SH_FSI_FMT_MONO (1 << 0) 59 #define SH_FSI_FMT_MONO_DELAY (1 << 1) 60 #define SH_FSI_FMT_PCM (1 << 2) 61 #define SH_FSI_FMT_I2S (1 << 3) 62 #define SH_FSI_FMT_TDM (1 << 4) 63 #define SH_FSI_FMT_TDM_DELAY (1 << 5) 64 65 #define SH_FSI_IFMT_TDM_CH(x) \ 66 (SH_FSI_IFMT(TDM) | SH_FSI_SET_CH_I(x)) 67 #define SH_FSI_IFMT_TDM_DELAY_CH(x) \ 68 (SH_FSI_IFMT(TDM_DELAY) | SH_FSI_SET_CH_I(x)) 69 70 #define SH_FSI_OFMT_TDM_CH(x) \ 71 (SH_FSI_OFMT(TDM) | SH_FSI_SET_CH_O(x)) 72 #define SH_FSI_OFMT_TDM_DELAY_CH(x) \ 73 (SH_FSI_OFMT(TDM_DELAY) | SH_FSI_SET_CH_O(x)) 74 75 struct sh_fsi_platform_info { 76 unsigned long porta_flags; 77 unsigned long portb_flags; 78 }; 79 80 extern struct snd_soc_dai fsi_soc_dai[2]; 81 extern struct snd_soc_platform fsi_soc_platform; 82 83 #endif /* __SOUND_FSI_H */ 84