1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _CCU_MULT_H_ |
3 | #define _CCU_MULT_H_ |
4 | |
5 | #include "ccu_common.h" |
6 | #include "ccu_frac.h" |
7 | #include "ccu_mux.h" |
8 | |
9 | struct ccu_mult_internal { |
10 | u8 offset; |
11 | u8 shift; |
12 | u8 width; |
13 | u8 min; |
14 | u8 max; |
15 | }; |
16 | |
17 | #define _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, _min, _max) \ |
18 | { \ |
19 | .min = _min, \ |
20 | .max = _max, \ |
21 | .offset = _offset, \ |
22 | .shift = _shift, \ |
23 | .width = _width, \ |
24 | } |
25 | |
26 | #define _SUNXI_CCU_MULT_MIN(_shift, _width, _min) \ |
27 | _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, _min, 0) |
28 | |
29 | #define _SUNXI_CCU_MULT_OFFSET(_shift, _width, _offset) \ |
30 | _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, 1, 0) |
31 | |
32 | #define _SUNXI_CCU_MULT(_shift, _width) \ |
33 | _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, 1, 0) |
34 | |
35 | struct ccu_mult { |
36 | u32 enable; |
37 | u32 lock; |
38 | |
39 | struct ccu_frac_internal frac; |
40 | struct ccu_mult_internal mult; |
41 | struct ccu_mux_internal mux; |
42 | struct ccu_common common; |
43 | }; |
44 | |
45 | #define SUNXI_CCU_N_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ |
46 | _mshift, _mwidth, _gate, _lock, \ |
47 | _flags) \ |
48 | struct ccu_mult _struct = { \ |
49 | .enable = _gate, \ |
50 | .lock = _lock, \ |
51 | .mult = _SUNXI_CCU_MULT(_mshift, _mwidth), \ |
52 | .common = { \ |
53 | .reg = _reg, \ |
54 | .hw.init = CLK_HW_INIT(_name, \ |
55 | _parent, \ |
56 | &ccu_mult_ops, \ |
57 | _flags), \ |
58 | }, \ |
59 | } |
60 | |
61 | static inline struct ccu_mult *hw_to_ccu_mult(struct clk_hw *hw) |
62 | { |
63 | struct ccu_common *common = hw_to_ccu_common(hw); |
64 | |
65 | return container_of(common, struct ccu_mult, common); |
66 | } |
67 | |
68 | extern const struct clk_ops ccu_mult_ops; |
69 | |
70 | #endif /* _CCU_MULT_H_ */ |
71 | |