1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2016 Maxime Ripard. All rights reserved. |
4 | */ |
5 | |
6 | #ifndef _CCU_GATE_H_ |
7 | #define _CCU_GATE_H_ |
8 | |
9 | #include <linux/clk-provider.h> |
10 | |
11 | #include "ccu_common.h" |
12 | |
13 | struct ccu_gate { |
14 | u32 enable; |
15 | |
16 | struct ccu_common common; |
17 | }; |
18 | |
19 | #define SUNXI_CCU_GATE(_struct, _name, _parent, _reg, _gate, _flags) \ |
20 | struct ccu_gate _struct = { \ |
21 | .enable = _gate, \ |
22 | .common = { \ |
23 | .reg = _reg, \ |
24 | .hw.init = CLK_HW_INIT(_name, \ |
25 | _parent, \ |
26 | &ccu_gate_ops, \ |
27 | _flags), \ |
28 | } \ |
29 | } |
30 | |
31 | #define SUNXI_CCU_GATE_HW(_struct, _name, _parent, _reg, _gate, _flags) \ |
32 | struct ccu_gate _struct = { \ |
33 | .enable = _gate, \ |
34 | .common = { \ |
35 | .reg = _reg, \ |
36 | .hw.init = CLK_HW_INIT_HW(_name, \ |
37 | _parent, \ |
38 | &ccu_gate_ops, \ |
39 | _flags), \ |
40 | } \ |
41 | } |
42 | |
43 | #define SUNXI_CCU_GATE_FW(_struct, _name, _parent, _reg, _gate, _flags) \ |
44 | struct ccu_gate _struct = { \ |
45 | .enable = _gate, \ |
46 | .common = { \ |
47 | .reg = _reg, \ |
48 | .hw.init = CLK_HW_INIT_FW_NAME(_name, \ |
49 | _parent, \ |
50 | &ccu_gate_ops, \ |
51 | _flags), \ |
52 | } \ |
53 | } |
54 | |
55 | /* |
56 | * The following macros allow the re-use of the data structure |
57 | * holding the parent info. |
58 | */ |
59 | #define SUNXI_CCU_GATE_HWS(_struct, _name, _parent, _reg, _gate, _flags) \ |
60 | struct ccu_gate _struct = { \ |
61 | .enable = _gate, \ |
62 | .common = { \ |
63 | .reg = _reg, \ |
64 | .hw.init = CLK_HW_INIT_HWS(_name, \ |
65 | _parent, \ |
66 | &ccu_gate_ops, \ |
67 | _flags), \ |
68 | } \ |
69 | } |
70 | |
71 | #define SUNXI_CCU_GATE_HWS_WITH_PREDIV(_struct, _name, _parent, _reg, \ |
72 | _gate, _prediv, _flags) \ |
73 | struct ccu_gate _struct = { \ |
74 | .enable = _gate, \ |
75 | .common = { \ |
76 | .reg = _reg, \ |
77 | .prediv = _prediv, \ |
78 | .features = CCU_FEATURE_ALL_PREDIV, \ |
79 | .hw.init = CLK_HW_INIT_HWS(_name, \ |
80 | _parent, \ |
81 | &ccu_gate_ops, \ |
82 | _flags), \ |
83 | } \ |
84 | } |
85 | |
86 | #define SUNXI_CCU_GATE_DATA(_struct, _name, _data, _reg, _gate, _flags) \ |
87 | struct ccu_gate _struct = { \ |
88 | .enable = _gate, \ |
89 | .common = { \ |
90 | .reg = _reg, \ |
91 | .hw.init = \ |
92 | CLK_HW_INIT_PARENTS_DATA(_name, \ |
93 | _data, \ |
94 | &ccu_gate_ops, \ |
95 | _flags), \ |
96 | } \ |
97 | } |
98 | |
99 | #define SUNXI_CCU_GATE_DATA_WITH_PREDIV(_struct, _name, _parent, _reg, \ |
100 | _gate, _prediv, _flags) \ |
101 | struct ccu_gate _struct = { \ |
102 | .enable = _gate, \ |
103 | .common = { \ |
104 | .reg = _reg, \ |
105 | .prediv = _prediv, \ |
106 | .features = CCU_FEATURE_ALL_PREDIV, \ |
107 | .hw.init = CLK_HW_INIT_PARENTS_DATA(_name, \ |
108 | _parent, \ |
109 | &ccu_gate_ops, \ |
110 | _flags), \ |
111 | } \ |
112 | } |
113 | |
114 | static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw) |
115 | { |
116 | struct ccu_common *common = hw_to_ccu_common(hw); |
117 | |
118 | return container_of(common, struct ccu_gate, common); |
119 | } |
120 | |
121 | void ccu_gate_helper_disable(struct ccu_common *common, u32 gate); |
122 | int ccu_gate_helper_enable(struct ccu_common *common, u32 gate); |
123 | int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate); |
124 | |
125 | extern const struct clk_ops ccu_gate_ops; |
126 | |
127 | #endif /* _CCU_GATE_H_ */ |
128 | |