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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) | |
4b4dab82 KM |
37 | #define RSND_SSI_PLAY (1 << 24) |
38 | ||
78f13d0c KM |
39 | #define RSND_SSI(_dma_id, _pio_irq, _flags) \ |
40 | { .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags } | |
849fc82a KM |
41 | #define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags) \ |
42 | { .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags } | |
4b4dab82 | 43 | #define RSND_SSI_UNUSED \ |
849fc82a | 44 | { .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 } |
4b4dab82 | 45 | |
ae5c3223 | 46 | struct rsnd_ssi_platform_info { |
78f13d0c | 47 | int dai_id; /* will be removed */ |
849fc82a | 48 | int dma_id; |
ae5c3223 KM |
49 | int pio_irq; |
50 | u32 flags; | |
51 | }; | |
07539c1d | 52 | |
374a5281 KM |
53 | /* |
54 | * flags | |
55 | */ | |
34e44475 | 56 | #define RSND_SCU_USE_HPBIF (1 << 31) /* it needs RSND_SSI_DEPENDENT */ |
374a5281 | 57 | |
ba9c949f | 58 | #define RSND_SRC(rate, _dma_id) \ |
78f13d0c | 59 | { .flags = RSND_SCU_USE_HPBIF, .convert_rate = rate, .dma_id = _dma_id, } |
ba9c949f | 60 | #define RSND_SRC_SET(rate, _dma_id) \ |
629509c5 | 61 | { .flags = RSND_SCU_USE_HPBIF, .convert_rate = rate, .dma_id = _dma_id, } |
ba9c949f | 62 | #define RSND_SRC_UNUSED \ |
629509c5 KM |
63 | { .flags = 0, .convert_rate = 0, .dma_id = 0, } |
64 | ||
ba9c949f KM |
65 | #define rsnd_scu_platform_info rsnd_src_platform_info |
66 | #define src_info scu_info | |
67 | #define src_info_nr scu_info_nr | |
68 | ||
69 | struct rsnd_src_platform_info { | |
07539c1d | 70 | u32 flags; |
ef749400 | 71 | u32 convert_rate; /* sampling rate convert */ |
629509c5 | 72 | int dma_id; /* for Gen2 SCU */ |
07539c1d | 73 | }; |
1536a968 | 74 | |
78f13d0c KM |
75 | struct rsnd_dai_path_info { |
76 | struct rsnd_ssi_platform_info *ssi; | |
ba9c949f | 77 | struct rsnd_src_platform_info *src; |
78f13d0c KM |
78 | }; |
79 | ||
80 | struct rsnd_dai_platform_info { | |
81 | struct rsnd_dai_path_info playback; | |
82 | struct rsnd_dai_path_info capture; | |
83 | }; | |
84 | ||
3337744a KM |
85 | /* |
86 | * flags | |
87 | * | |
88 | * 0x0000000A | |
89 | * | |
90 | * A : generation | |
91 | */ | |
c5d5a58d | 92 | #define RSND_GEN_MASK (0xF << 0) |
3337744a KM |
93 | #define RSND_GEN1 (1 << 0) /* fixme */ |
94 | #define RSND_GEN2 (2 << 0) /* fixme */ | |
95 | ||
1536a968 KM |
96 | struct rcar_snd_info { |
97 | u32 flags; | |
ae5c3223 KM |
98 | struct rsnd_ssi_platform_info *ssi_info; |
99 | int ssi_info_nr; | |
ba9c949f KM |
100 | struct rsnd_src_platform_info *src_info; |
101 | int src_info_nr; | |
78f13d0c KM |
102 | struct rsnd_dai_platform_info *dai_info; |
103 | int dai_info_nr; | |
1536a968 KM |
104 | int (*start)(int id); |
105 | int (*stop)(int id); | |
106 | }; | |
107 | ||
108 | #endif |