summaryrefslogtreecommitdiff
path: root/bsp/allwinner/libraries/sunxi-hal/hal/source/ccmu/sunxi-ng/ccu_mult.h
blob: 978d56496ca35b16ffb86903ac47fd8d5ad58712 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CCU_MULT_H_
#define _CCU_MULT_H_

#include "ccu_common.h"
#include "ccu_frac.h"
#include "ccu_mux.h"

struct ccu_mult_internal
{
    u8  offset;
    u8  shift;
    u8  width;
    u8  min;
    u8  max;
};

#define _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, _min, _max) \
    {                               \
        .min    = _min,                     \
                  .max    = _max,                     \
                            .offset = _offset,                  \
                                      .shift  = _shift,                   \
                                                .width  = _width,                   \
    }

#define _SUNXI_CCU_MULT_MIN(_shift, _width, _min)   \
    _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, _min, 0)

#define _SUNXI_CCU_MULT_OFFSET(_shift, _width, _offset) \
    _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, 1, 0)

#define _SUNXI_CCU_MULT(_shift, _width)     \
    _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, 1, 0)

struct ccu_mult
{
    u32         enable;
    u32         lock;

    struct ccu_frac_internal    frac;
    struct ccu_mult_internal    mult;
    struct ccu_mux_internal mux;
    struct ccu_common   common;
};

#define SUNXI_CCU_N_WITH_GATE_LOCK(_struct, _name, _parent, _reg,   \
                                   _mshift, _mwidth, _gate, _lock,  \
                                   _flags)              \
struct ccu_mult _struct = {                 \
    .enable = _gate,                    \
              .lock   = _lock,                    \
                        .mult   = _SUNXI_CCU_MULT(_mshift, _mwidth),        \
                                  .common = {                     \
                                                                  .reg        = _reg,             \
                                                                  .hw.init    = CLK_HW_INIT(_name,        \
                                                                          _parent,      \
                                                                          &ccu_mult_ops,    \
                                                                          _flags),      \
                                            },                          \
}

static inline struct ccu_mult *hw_to_ccu_mult(struct clk_hw *hw)
{
    struct ccu_common *common = hw_to_ccu_common(hw);

    return container_of(common, struct ccu_mult, common);
}

extern const struct clk_ops ccu_mult_ops;

#endif /* _CCU_MULT_H_ */