sh_pfc.h
5.54 KB
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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
/*
* SuperH Pin Function Controller Support
* Copy from Linux kernel. (include/linux/sh_pfc.h)
*
* Copyright (c) 2008 Magnus Damm
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __SH_PFC_H
#define __SH_PFC_H
typedef unsigned short pinmux_enum_t;
typedef unsigned short pinmux_flag_t;
#define PINMUX_TYPE_NONE 0
#define PINMUX_TYPE_FUNCTION 1
#define PINMUX_TYPE_GPIO 2
#define PINMUX_TYPE_OUTPUT 3
#define PINMUX_TYPE_INPUT 4
#define PINMUX_TYPE_INPUT_PULLUP 5
#define PINMUX_TYPE_INPUT_PULLDOWN 6
#define PINMUX_FLAG_TYPE (0x7)
#define PINMUX_FLAG_WANT_PULLUP (1 << 3)
#define PINMUX_FLAG_WANT_PULLDOWN (1 << 4)
#define PINMUX_FLAG_DBIT_SHIFT 5
#define PINMUX_FLAG_DBIT (0x1f << PINMUX_FLAG_DBIT_SHIFT)
#define PINMUX_FLAG_DREG_SHIFT 10
#define PINMUX_FLAG_DREG (0x3f << PINMUX_FLAG_DREG_SHIFT)
struct pinmux_gpio {
pinmux_enum_t enum_id;
pinmux_flag_t flags;
};
#define PINMUX_GPIO(gpio, data_or_mark)[gpio] = { data_or_mark }
#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
struct pinmux_cfg_reg {
unsigned long reg, reg_width, field_width;
unsigned long *cnt;
pinmux_enum_t *enum_ids;
unsigned long *var_field_width;
};
#define PINMUX_CFG_REG(name, r, r_width, f_width) \
.reg = r, .reg_width = r_width, .field_width = f_width, \
.cnt = (unsigned long [r_width / f_width]) {}, \
.enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)])
#define PINMUX_CFG_REG_VAR(name, r, r_width, var_fw0, var_fwn...) \
.reg = r, .reg_width = r_width, \
.cnt = (unsigned long [r_width]) {}, \
.var_field_width = (unsigned long [r_width]) { var_fw0, var_fwn, 0 }, \
.enum_ids = (pinmux_enum_t [])
struct pinmux_data_reg {
unsigned long reg, reg_width, reg_shadow;
pinmux_enum_t *enum_ids;
void *mapped_reg;
};
#define PINMUX_DATA_REG(name, r, r_width) \
.reg = r, .reg_width = r_width, \
.enum_ids = (pinmux_enum_t [r_width]) \
struct pinmux_irq {
int irq;
pinmux_enum_t *enum_ids;
};
#define PINMUX_IRQ(irq_nr, ids...) \
{ .irq = irq_nr, .enum_ids = (pinmux_enum_t []) { ids, 0 } } \
struct pinmux_range {
pinmux_enum_t begin;
pinmux_enum_t end;
pinmux_enum_t force;
};
struct pinmux_info {
char *name;
pinmux_enum_t reserved_id;
struct pinmux_range data;
struct pinmux_range input;
struct pinmux_range input_pd;
struct pinmux_range input_pu;
struct pinmux_range output;
struct pinmux_range mark;
struct pinmux_range function;
unsigned first_gpio, last_gpio;
struct pinmux_gpio *gpios;
struct pinmux_cfg_reg *cfg_regs;
struct pinmux_data_reg *data_regs;
pinmux_enum_t *gpio_data;
unsigned int gpio_data_size;
struct pinmux_irq *gpio_irq;
unsigned int gpio_irq_size;
struct resource *resource;
unsigned int num_resources;
unsigned long unlock_reg;
};
int register_pinmux(struct pinmux_info *pip);
int unregister_pinmux(struct pinmux_info *pip);
/* helper macro for port */
#define PORT_1(fn, pfx, sfx) fn(pfx, sfx)
#define PORT_10(fn, pfx, sfx) \
PORT_1(fn, pfx##0, sfx), PORT_1(fn, pfx##1, sfx), \
PORT_1(fn, pfx##2, sfx), PORT_1(fn, pfx##3, sfx), \
PORT_1(fn, pfx##4, sfx), PORT_1(fn, pfx##5, sfx), \
PORT_1(fn, pfx##6, sfx), PORT_1(fn, pfx##7, sfx), \
PORT_1(fn, pfx##8, sfx), PORT_1(fn, pfx##9, sfx)
#define PORT_90(fn, pfx, sfx) \
PORT_10(fn, pfx##1, sfx), PORT_10(fn, pfx##2, sfx), \
PORT_10(fn, pfx##3, sfx), PORT_10(fn, pfx##4, sfx), \
PORT_10(fn, pfx##5, sfx), PORT_10(fn, pfx##6, sfx), \
PORT_10(fn, pfx##7, sfx), PORT_10(fn, pfx##8, sfx), \
PORT_10(fn, pfx##9, sfx)
#define _PORT_ALL(pfx, sfx) pfx##_##sfx
#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
#define PORT_ALL(str) CPU_ALL_PORT(_PORT_ALL, PORT, str)
#define GPIO_PORT_ALL() CPU_ALL_PORT(_GPIO_PORT, , unused)
#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
/* helper macro for pinmux_enum_t */
#define PORT_DATA_I(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
#define PORT_DATA_I_PD(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
PORT##nr##_IN, PORT##nr##_IN_PD)
#define PORT_DATA_I_PU(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
PORT##nr##_IN, PORT##nr##_IN_PU)
#define PORT_DATA_I_PU_PD(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
#define PORT_DATA_O(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT)
#define PORT_DATA_IO(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
PORT##nr##_IN)
#define PORT_DATA_IO_PD(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
PORT##nr##_IN, PORT##nr##_IN_PD)
#define PORT_DATA_IO_PU(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
PORT##nr##_IN, PORT##nr##_IN_PU)
#define PORT_DATA_IO_PU_PD(nr) \
PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
/* helper macro for top 4 bits in PORTnCR */
#define _PCRH(in, in_pd, in_pu, out) \
0, (out), (in), 0, \
0, 0, 0, 0, \
0, 0, (in_pd), 0, \
0, 0, (in_pu), 0
#define PORTCR(nr, reg) \
{ \
PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) { \
_PCRH(PORT##nr##_IN, PORT##nr##_IN_PD, \
PORT##nr##_IN_PU, PORT##nr##_OUT), \
PORT##nr##_FN0, PORT##nr##_FN1, \
PORT##nr##_FN2, PORT##nr##_FN3, \
PORT##nr##_FN4, PORT##nr##_FN5, \
PORT##nr##_FN6, PORT##nr##_FN7 } \
}
#endif /* __SH_PFC_H */