| 1 | /*
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| 2 | * Renesas R-Car SRU/SCU/SSIU/SSI support
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| 3 | *
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| 4 | * Copyright (C) 2013 Renesas Solutions Corp.
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| 5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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| 6 | *
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| 7 | * This program is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License version 2 as
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| 9 | * published by the Free Software Foundation.
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| 10 | */
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| 11 |
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| 12 | #ifndef RCAR_SND_H
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| 13 | #define RCAR_SND_H
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| 14 |
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| 15 | #include <linux/sh_clk.h>
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| 16 |
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| 17 | #define RSND_GEN1_SRU 0
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| 18 | #define RSND_GEN1_ADG 1
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| 19 | #define RSND_GEN1_SSI 2
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| 20 |
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| 21 | #define RSND_GEN2_SCU 0
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| 22 | #define RSND_GEN2_ADG 1
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| 23 | #define RSND_GEN2_SSIU 2
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| 24 | #define RSND_GEN2_SSI 3
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| 25 |
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| 26 | #define RSND_BASE_MAX 4
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| 27 |
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| 28 | /*
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| 29 | * flags
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| 30 | *
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| 31 | * 0xAB000000
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| 32 | *
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| 33 | * A : clock sharing settings
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| 34 | * B : SSI direction
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| 35 | */
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| 36 | #define RSND_SSI_CLK_PIN_SHARE (1 << 31)
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| 37 | #define RSND_SSI_NO_BUSIF (1 << 30) /* SSI+DMA without BUSIF */
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| 38 |
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| 39 | #define RSND_SSI(_dma_id, _irq, _flags) \
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| 40 | { .dma_id = _dma_id, .irq = _irq, .flags = _flags }
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| 41 | #define RSND_SSI_UNUSED \
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| 42 | { .dma_id = -1, .irq = -1, .flags = 0 }
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| 43 |
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| 44 | struct rsnd_ssi_platform_info {
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| 45 | int dma_id;
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| 46 | int irq;
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| 47 | u32 flags;
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| 48 | };
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| 49 |
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| 50 | #define RSND_SRC(rate, _dma_id) \
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| 51 | { .convert_rate = rate, .dma_id = _dma_id, }
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| 52 | #define RSND_SRC_UNUSED \
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| 53 | { .convert_rate = 0, .dma_id = -1, }
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| 54 |
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| 55 | struct rsnd_src_platform_info {
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| 56 | u32 convert_rate; /* sampling rate convert */
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| 57 | int dma_id; /* for Gen2 SCU */
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| 58 | int irq;
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| 59 | };
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| 60 |
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| 61 | /*
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| 62 | * flags
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| 63 | */
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| 64 | struct rsnd_dvc_platform_info {
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| 65 | u32 flags;
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| 66 | };
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| 67 |
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| 68 | struct rsnd_dai_path_info {
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| 69 | struct rsnd_ssi_platform_info *ssi;
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| 70 | struct rsnd_src_platform_info *src;
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| 71 | struct rsnd_dvc_platform_info *dvc;
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| 72 | };
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| 73 |
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| 74 | struct rsnd_dai_platform_info {
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| 75 | struct rsnd_dai_path_info playback;
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| 76 | struct rsnd_dai_path_info capture;
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| 77 | };
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| 78 |
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| 79 | /*
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| 80 | * flags
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| 81 | *
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| 82 | * 0x0000000A
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| 83 | *
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| 84 | * A : generation
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| 85 | */
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| 86 | #define RSND_GEN_MASK (0xF << 0)
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| 87 | #define RSND_GEN1 (1 << 0) /* fixme */
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| 88 | #define RSND_GEN2 (2 << 0) /* fixme */
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| 89 |
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| 90 | struct rcar_snd_info {
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| 91 | u32 flags;
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| 92 | struct rsnd_ssi_platform_info *ssi_info;
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| 93 | int ssi_info_nr;
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| 94 | struct rsnd_src_platform_info *src_info;
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| 95 | int src_info_nr;
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| 96 | struct rsnd_dvc_platform_info *dvc_info;
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| 97 | int dvc_info_nr;
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| 98 | struct rsnd_dai_platform_info *dai_info;
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| 99 | int dai_info_nr;
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| 100 | int (*start)(int id);
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| 101 | int (*stop)(int id);
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| 102 | };
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| 103 |
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| 104 | #endif
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