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Diffstat (limited to 'include/linux/clk-private.h')
-rw-r--r--include/linux/clk-private.h99
1 files changed, 48 insertions, 51 deletions
diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h
index 5e4312b6f5cc..eb3f84bc5325 100644
--- a/include/linux/clk-private.h
+++ b/include/linux/clk-private.h
@@ -30,7 +30,7 @@ struct clk {
30 const struct clk_ops *ops; 30 const struct clk_ops *ops;
31 struct clk_hw *hw; 31 struct clk_hw *hw;
32 struct clk *parent; 32 struct clk *parent;
33 char **parent_names; 33 const char **parent_names;
34 struct clk **parents; 34 struct clk **parents;
35 u8 num_parents; 35 u8 num_parents;
36 unsigned long rate; 36 unsigned long rate;
@@ -55,12 +55,22 @@ struct clk {
55 * alternative macro for static initialization 55 * alternative macro for static initialization
56 */ 56 */
57 57
58extern struct clk_ops clk_fixed_rate_ops; 58#define DEFINE_CLK(_name, _ops, _flags, _parent_names, \
59 _parents) \
60 static struct clk _name = { \
61 .name = #_name, \
62 .ops = &_ops, \
63 .hw = &_name##_hw.hw, \
64 .parent_names = _parent_names, \
65 .num_parents = ARRAY_SIZE(_parent_names), \
66 .parents = _parents, \
67 .flags = _flags, \
68 }
59 69
60#define DEFINE_CLK_FIXED_RATE(_name, _flags, _rate, \ 70#define DEFINE_CLK_FIXED_RATE(_name, _flags, _rate, \
61 _fixed_rate_flags) \ 71 _fixed_rate_flags) \
62 static struct clk _name; \ 72 static struct clk _name; \
63 static char *_name##_parent_names[] = {}; \ 73 static const char *_name##_parent_names[] = {}; \
64 static struct clk_fixed_rate _name##_hw = { \ 74 static struct clk_fixed_rate _name##_hw = { \
65 .hw = { \ 75 .hw = { \
66 .clk = &_name, \ 76 .clk = &_name, \
@@ -68,23 +78,14 @@ extern struct clk_ops clk_fixed_rate_ops;
68 .fixed_rate = _rate, \ 78 .fixed_rate = _rate, \
69 .flags = _fixed_rate_flags, \ 79 .flags = _fixed_rate_flags, \
70 }; \ 80 }; \
71 static struct clk _name = { \ 81 DEFINE_CLK(_name, clk_fixed_rate_ops, _flags, \
72 .name = #_name, \ 82 _name##_parent_names, NULL);
73 .ops = &clk_fixed_rate_ops, \
74 .hw = &_name##_hw.hw, \
75 .parent_names = _name##_parent_names, \
76 .num_parents = \
77 ARRAY_SIZE(_name##_parent_names), \
78 .flags = _flags, \
79 };
80
81extern struct clk_ops clk_gate_ops;
82 83
83#define DEFINE_CLK_GATE(_name, _parent_name, _parent_ptr, \ 84#define DEFINE_CLK_GATE(_name, _parent_name, _parent_ptr, \
84 _flags, _reg, _bit_idx, \ 85 _flags, _reg, _bit_idx, \
85 _gate_flags, _lock) \ 86 _gate_flags, _lock) \
86 static struct clk _name; \ 87 static struct clk _name; \
87 static char *_name##_parent_names[] = { \ 88 static const char *_name##_parent_names[] = { \
88 _parent_name, \ 89 _parent_name, \
89 }; \ 90 }; \
90 static struct clk *_name##_parents[] = { \ 91 static struct clk *_name##_parents[] = { \
@@ -99,24 +100,14 @@ extern struct clk_ops clk_gate_ops;
99 .flags = _gate_flags, \ 100 .flags = _gate_flags, \
100 .lock = _lock, \ 101 .lock = _lock, \
101 }; \ 102 }; \
102 static struct clk _name = { \ 103 DEFINE_CLK(_name, clk_gate_ops, _flags, \
103 .name = #_name, \ 104 _name##_parent_names, _name##_parents);
104 .ops = &clk_gate_ops, \
105 .hw = &_name##_hw.hw, \
106 .parent_names = _name##_parent_names, \
107 .num_parents = \
108 ARRAY_SIZE(_name##_parent_names), \
109 .parents = _name##_parents, \
110 .flags = _flags, \
111 };
112
113extern struct clk_ops clk_divider_ops;
114 105
115#define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \ 106#define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \
116 _flags, _reg, _shift, _width, \ 107 _flags, _reg, _shift, _width, \
117 _divider_flags, _lock) \ 108 _divider_flags, _lock) \
118 static struct clk _name; \ 109 static struct clk _name; \
119 static char *_name##_parent_names[] = { \ 110 static const char *_name##_parent_names[] = { \
120 _parent_name, \ 111 _parent_name, \
121 }; \ 112 }; \
122 static struct clk *_name##_parents[] = { \ 113 static struct clk *_name##_parents[] = { \
@@ -132,18 +123,8 @@ extern struct clk_ops clk_divider_ops;
132 .flags = _divider_flags, \ 123 .flags = _divider_flags, \
133 .lock = _lock, \ 124 .lock = _lock, \
134 }; \ 125 }; \
135 static struct clk _name = { \ 126 DEFINE_CLK(_name, clk_divider_ops, _flags, \
136 .name = #_name, \ 127 _name##_parent_names, _name##_parents);
137 .ops = &clk_divider_ops, \
138 .hw = &_name##_hw.hw, \
139 .parent_names = _name##_parent_names, \
140 .num_parents = \
141 ARRAY_SIZE(_name##_parent_names), \
142 .parents = _name##_parents, \
143 .flags = _flags, \
144 };
145
146extern struct clk_ops clk_mux_ops;
147 128
148#define DEFINE_CLK_MUX(_name, _parent_names, _parents, _flags, \ 129#define DEFINE_CLK_MUX(_name, _parent_names, _parents, _flags, \
149 _reg, _shift, _width, \ 130 _reg, _shift, _width, \
@@ -159,16 +140,28 @@ extern struct clk_ops clk_mux_ops;
159 .flags = _mux_flags, \ 140 .flags = _mux_flags, \
160 .lock = _lock, \ 141 .lock = _lock, \
161 }; \ 142 }; \
162 static struct clk _name = { \ 143 DEFINE_CLK(_name, clk_mux_ops, _flags, _parent_names, \
163 .name = #_name, \ 144 _parents);
164 .ops = &clk_mux_ops, \ 145
165 .hw = &_name##_hw.hw, \ 146#define DEFINE_CLK_FIXED_FACTOR(_name, _parent_name, \
166 .parent_names = _parent_names, \ 147 _parent_ptr, _flags, \
167 .num_parents = \ 148 _mult, _div) \
168 ARRAY_SIZE(_parent_names), \ 149 static struct clk _name; \
169 .parents = _parents, \ 150 static const char *_name##_parent_names[] = { \
170 .flags = _flags, \ 151 _parent_name, \
171 }; 152 }; \
153 static struct clk *_name##_parents[] = { \
154 _parent_ptr, \
155 }; \
156 static struct clk_fixed_factor _name##_hw = { \
157 .hw = { \
158 .clk = &_name, \
159 }, \
160 .mult = _mult, \
161 .div = _div, \
162 }; \
163 DEFINE_CLK(_name, clk_fixed_factor_ops, _flags, \
164 _name##_parent_names, _name##_parents);
172 165
173/** 166/**
174 * __clk_init - initialize the data structures in a struct clk 167 * __clk_init - initialize the data structures in a struct clk
@@ -189,8 +182,12 @@ extern struct clk_ops clk_mux_ops;
189 * 182 *
190 * It is not necessary to call clk_register if __clk_init is used directly with 183 * It is not necessary to call clk_register if __clk_init is used directly with
191 * statically initialized clock data. 184 * statically initialized clock data.
185 *
186 * Returns 0 on success, otherwise an error code.
192 */ 187 */
193void __clk_init(struct device *dev, struct clk *clk); 188int __clk_init(struct device *dev, struct clk *clk);
189
190struct clk *__clk_register(struct device *dev, struct clk_hw *hw);
194 191
195#endif /* CONFIG_COMMON_CLK */ 192#endif /* CONFIG_COMMON_CLK */
196#endif /* CLK_PRIVATE_H */ 193#endif /* CLK_PRIVATE_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-06 10:43:30 -0500