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1536a968 KM |
1 | /* |
2 | * Renesas R-Car SRU/SCU/SSIU/SSI support | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #ifndef RCAR_SND_H | |
13 | #define RCAR_SND_H | |
14 | ||
15 | #include <linux/sh_clk.h> | |
16 | ||
07539c1d | 17 | #define RSND_GEN1_SRU 0 |
dfc9403b | 18 | #define RSND_GEN1_ADG 1 |
ae5c3223 | 19 | #define RSND_GEN1_SSI 2 |
1536a968 | 20 | |
32475263 | 21 | #define RSND_GEN2_SCU 0 |
dfc9403b | 22 | #define RSND_GEN2_ADG 1 |
ae5c3223 KM |
23 | #define RSND_GEN2_SSIU 2 |
24 | #define RSND_GEN2_SSI 3 | |
07539c1d | 25 | |
ae5c3223 KM |
26 | #define RSND_BASE_MAX 4 |
27 | ||
28 | /* | |
29 | * flags | |
30 | * | |
4b4dab82 | 31 | * 0xAB000000 |
ae5c3223 KM |
32 | * |
33 | * A : clock sharing settings | |
4b4dab82 | 34 | * B : SSI direction |
ae5c3223 KM |
35 | */ |
36 | #define RSND_SSI_CLK_PIN_SHARE (1 << 31) | |
d9288d0b | 37 | #define RSND_SSI_NO_BUSIF (1 << 30) /* SSI+DMA without BUSIF */ |
4b4dab82 | 38 | |
6cfad789 KM |
39 | #define RSND_SSI(_dma_id, _irq, _flags) \ |
40 | { .dma_id = _dma_id, .irq = _irq, .flags = _flags } | |
4b4dab82 | 41 | #define RSND_SSI_UNUSED \ |
6cfad789 | 42 | { .dma_id = -1, .irq = -1, .flags = 0 } |
4b4dab82 | 43 | |
ae5c3223 | 44 | struct rsnd_ssi_platform_info { |
849fc82a | 45 | int dma_id; |
6cfad789 | 46 | int irq; |
ae5c3223 KM |
47 | u32 flags; |
48 | }; | |
07539c1d | 49 | |
ba9c949f | 50 | #define RSND_SRC(rate, _dma_id) \ |
29e69fd2 | 51 | { .convert_rate = rate, .dma_id = _dma_id, } |
ba9c949f | 52 | #define RSND_SRC_UNUSED \ |
29e69fd2 | 53 | { .convert_rate = 0, .dma_id = -1, } |
ba9c949f KM |
54 | |
55 | struct rsnd_src_platform_info { | |
ef749400 | 56 | u32 convert_rate; /* sampling rate convert */ |
629509c5 | 57 | int dma_id; /* for Gen2 SCU */ |
07539c1d | 58 | }; |
1536a968 | 59 | |
bff58ea4 KM |
60 | /* |
61 | * flags | |
62 | */ | |
63 | struct rsnd_dvc_platform_info { | |
64 | u32 flags; | |
65 | }; | |
66 | ||
78f13d0c KM |
67 | struct rsnd_dai_path_info { |
68 | struct rsnd_ssi_platform_info *ssi; | |
ba9c949f | 69 | struct rsnd_src_platform_info *src; |
bff58ea4 | 70 | struct rsnd_dvc_platform_info *dvc; |
78f13d0c KM |
71 | }; |
72 | ||
73 | struct rsnd_dai_platform_info { | |
74 | struct rsnd_dai_path_info playback; | |
75 | struct rsnd_dai_path_info capture; | |
76 | }; | |
77 | ||
3337744a KM |
78 | /* |
79 | * flags | |
80 | * | |
81 | * 0x0000000A | |
82 | * | |
83 | * A : generation | |
84 | */ | |
c5d5a58d | 85 | #define RSND_GEN_MASK (0xF << 0) |
3337744a KM |
86 | #define RSND_GEN1 (1 << 0) /* fixme */ |
87 | #define RSND_GEN2 (2 << 0) /* fixme */ | |
88 | ||
1536a968 KM |
89 | struct rcar_snd_info { |
90 | u32 flags; | |
ae5c3223 KM |
91 | struct rsnd_ssi_platform_info *ssi_info; |
92 | int ssi_info_nr; | |
ba9c949f KM |
93 | struct rsnd_src_platform_info *src_info; |
94 | int src_info_nr; | |
bff58ea4 KM |
95 | struct rsnd_dvc_platform_info *dvc_info; |
96 | int dvc_info_nr; | |
78f13d0c KM |
97 | struct rsnd_dai_platform_info *dai_info; |
98 | int dai_info_nr; | |
1536a968 KM |
99 | int (*start)(int id); |
100 | int (*stop)(int id); | |
101 | }; | |
102 | ||
103 | #endif |