| 1 | #ifndef __SOUND_FSI_H
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| 2 | #define __SOUND_FSI_H
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| 3 |
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| 4 | /*
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| 5 | * Fifo-attached Serial Interface (FSI) support for SH7724
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| 6 | *
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| 7 | * Copyright (C) 2009 Renesas Solutions Corp.
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| 8 | * Kuninori Morimoto <morimoto.kuninori@renesas.com>
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License version 2 as
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| 12 | * published by the Free Software Foundation.
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| 13 | */
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| 14 |
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| 15 | /* flags format
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| 16 |
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| 17 | * 0xABCDEEFF
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| 18 | *
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| 19 | * A: channel size for TDM (input)
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| 20 | * B: channel size for TDM (ooutput)
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| 21 | * C: inversion
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| 22 | * D: mode
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| 23 | * E: input format
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| 24 | * F: output format
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| 25 | */
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| 26 |
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| 27 | #include <linux/clk.h>
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| 28 | #include <sound/soc.h>
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| 29 |
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| 30 | /* TDM channel */
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| 31 | #define SH_FSI_SET_CH_I(x) ((x & 0xF) << 28)
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| 32 | #define SH_FSI_SET_CH_O(x) ((x & 0xF) << 24)
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| 33 |
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| 34 | #define SH_FSI_CH_IMASK 0xF0000000
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| 35 | #define SH_FSI_CH_OMASK 0x0F000000
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| 36 | #define SH_FSI_GET_CH_I(x) ((x & SH_FSI_CH_IMASK) >> 28)
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| 37 | #define SH_FSI_GET_CH_O(x) ((x & SH_FSI_CH_OMASK) >> 24)
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| 38 |
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| 39 | /* clock inversion */
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| 40 | #define SH_FSI_INVERSION_MASK 0x00F00000
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| 41 | #define SH_FSI_LRM_INV (1 << 20)
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| 42 | #define SH_FSI_BRM_INV (1 << 21)
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| 43 | #define SH_FSI_LRS_INV (1 << 22)
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| 44 | #define SH_FSI_BRS_INV (1 << 23)
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| 45 |
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| 46 | /* mode */
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| 47 | #define SH_FSI_MODE_MASK 0x000F0000
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| 48 | #define SH_FSI_IN_SLAVE_MODE (1 << 16) /* default master mode */
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| 49 | #define SH_FSI_OUT_SLAVE_MODE (1 << 17) /* default master mode */
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| 50 |
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| 51 | /* DI format */
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| 52 | #define SH_FSI_FMT_MASK 0x000000FF
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| 53 | #define SH_FSI_IFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8)
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| 54 | #define SH_FSI_OFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 0)
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| 55 | #define SH_FSI_GET_IFMT(x) ((x >> 8) & SH_FSI_FMT_MASK)
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| 56 | #define SH_FSI_GET_OFMT(x) ((x >> 0) & SH_FSI_FMT_MASK)
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| 57 |
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| 58 | #define SH_FSI_FMT_MONO (1 << 0)
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| 59 | #define SH_FSI_FMT_MONO_DELAY (1 << 1)
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| 60 | #define SH_FSI_FMT_PCM (1 << 2)
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| 61 | #define SH_FSI_FMT_I2S (1 << 3)
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| 62 | #define SH_FSI_FMT_TDM (1 << 4)
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| 63 | #define SH_FSI_FMT_TDM_DELAY (1 << 5)
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| 64 |
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| 65 | #define SH_FSI_IFMT_TDM_CH(x) \
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| 66 | (SH_FSI_IFMT(TDM) | SH_FSI_SET_CH_I(x))
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| 67 | #define SH_FSI_IFMT_TDM_DELAY_CH(x) \
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| 68 | (SH_FSI_IFMT(TDM_DELAY) | SH_FSI_SET_CH_I(x))
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| 69 |
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| 70 | #define SH_FSI_OFMT_TDM_CH(x) \
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| 71 | (SH_FSI_OFMT(TDM) | SH_FSI_SET_CH_O(x))
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| 72 | #define SH_FSI_OFMT_TDM_DELAY_CH(x) \
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| 73 | (SH_FSI_OFMT(TDM_DELAY) | SH_FSI_SET_CH_O(x))
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| 74 |
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| 75 | struct sh_fsi_platform_info {
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| 76 | unsigned long porta_flags;
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| 77 | unsigned long portb_flags;
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| 78 | };
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| 79 |
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| 80 | extern struct snd_soc_dai fsi_soc_dai[2];
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| 81 | extern struct snd_soc_platform fsi_soc_platform;
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| 82 |
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| 83 | #endif /* __SOUND_FSI_H */
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