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 {
11 u8 offset;
12 u8 shift;
13 u8 width;
14 u8 min;
15 u8 max;
16 };
17
18 #define _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, _min, _max) \
19 { \
20 .min = _min, \
21 .max = _max, \
22 .offset = _offset, \
23 .shift = _shift, \
24 .width = _width, \
25 }
26
27 #define _SUNXI_CCU_MULT_MIN(_shift, _width, _min) \
28 _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, _min, 0)
29
30 #define _SUNXI_CCU_MULT_OFFSET(_shift, _width, _offset) \
31 _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, 1, 0)
32
33 #define _SUNXI_CCU_MULT(_shift, _width) \
34 _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, 1, 0)
35
36 struct ccu_mult
37 {
38 u32 enable;
39 u32 lock;
40
41 struct ccu_frac_internal frac;
42 struct ccu_mult_internal mult;
43 struct ccu_mux_internal mux;
44 struct ccu_common common;
45 };
46
47 #define SUNXI_CCU_N_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
48 _mshift, _mwidth, _gate, _lock, \
49 _flags) \
50 struct ccu_mult _struct = { \
51 .enable = _gate, \
52 .lock = _lock, \
53 .mult = _SUNXI_CCU_MULT(_mshift, _mwidth), \
54 .common = { \
55 .reg = _reg, \
56 .hw.init = CLK_HW_INIT(_name, \
57 _parent, \
58 &ccu_mult_ops, \
59 _flags), \
60 }, \
61 }
62
hw_to_ccu_mult(struct clk_hw * hw)63 static inline struct ccu_mult *hw_to_ccu_mult(struct clk_hw *hw)
64 {
65 struct ccu_common *common = hw_to_ccu_common(hw);
66
67 return container_of(common, struct ccu_mult, common);
68 }
69
70 extern const struct clk_ops ccu_mult_ops;
71
72 #endif /* _CCU_MULT_H_ */
73