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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 93502a5e0adcfc0ce6cf8e3daa7eb9a4f4e53658 / . / arch / blackfin / include / asm / gpio.h
blob: b650ef080000ffbcb169c47a6d37eedf379d4a81 [file] [log] [blame]
Mike Frysinger4638b212010-06-02 04:17:26 -0400[diff] [blame]1/*
2 * Copyright 2006-2009 Analog Devices Inc.
3 *
4 * Licensed under the GPL-2 or later.
5 */
6
7#ifndef __ARCH_BLACKFIN_GPIO_H__
8#define __ARCH_BLACKFIN_GPIO_H__
9
10#define gpio_bank(x) ((x) >> 4)
11#define gpio_bit(x) (1<<((x) & 0xF))
12#define gpio_sub_n(x) ((x) & 0xF)
13
14#define GPIO_BANKSIZE 16
15#define GPIO_BANK_NUM DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, GPIO_BANKSIZE)
16
17#define GPIO_0 0
18#define GPIO_1 1
19#define GPIO_2 2
20#define GPIO_3 3
21#define GPIO_4 4
22#define GPIO_5 5
23#define GPIO_6 6
24#define GPIO_7 7
25#define GPIO_8 8
26#define GPIO_9 9
27#define GPIO_10 10
28#define GPIO_11 11
29#define GPIO_12 12
30#define GPIO_13 13
31#define GPIO_14 14
32#define GPIO_15 15
33#define GPIO_16 16
34#define GPIO_17 17
35#define GPIO_18 18
36#define GPIO_19 19
37#define GPIO_20 20
38#define GPIO_21 21
39#define GPIO_22 22
40#define GPIO_23 23
41#define GPIO_24 24
42#define GPIO_25 25
43#define GPIO_26 26
44#define GPIO_27 27
45#define GPIO_28 28
46#define GPIO_29 29
47#define GPIO_30 30
48#define GPIO_31 31
49#define GPIO_32 32
50#define GPIO_33 33
51#define GPIO_34 34
52#define GPIO_35 35
53#define GPIO_36 36
54#define GPIO_37 37
55#define GPIO_38 38
56#define GPIO_39 39
57#define GPIO_40 40
58#define GPIO_41 41
59#define GPIO_42 42
60#define GPIO_43 43
61#define GPIO_44 44
62#define GPIO_45 45
63#define GPIO_46 46
64#define GPIO_47 47
65
66#define PERIPHERAL_USAGE 1
67#define GPIO_USAGE 0
68
69#ifndef __ASSEMBLY__
70
71#ifndef CONFIG_BF54x
72void set_gpio_dir(unsigned, unsigned short);
73void set_gpio_inen(unsigned, unsigned short);
74void set_gpio_polar(unsigned, unsigned short);
75void set_gpio_edge(unsigned, unsigned short);
76void set_gpio_both(unsigned, unsigned short);
77void set_gpio_data(unsigned, unsigned short);
78void set_gpio_maska(unsigned, unsigned short);
79void set_gpio_maskb(unsigned, unsigned short);
80void set_gpio_toggle(unsigned);
81void set_gpiop_dir(unsigned, unsigned short);
82void set_gpiop_inen(unsigned, unsigned short);
83void set_gpiop_polar(unsigned, unsigned short);
84void set_gpiop_edge(unsigned, unsigned short);
85void set_gpiop_both(unsigned, unsigned short);
86void set_gpiop_data(unsigned, unsigned short);
87void set_gpiop_maska(unsigned, unsigned short);
88void set_gpiop_maskb(unsigned, unsigned short);
89unsigned short get_gpio_dir(unsigned);
90unsigned short get_gpio_inen(unsigned);
91unsigned short get_gpio_polar(unsigned);
92unsigned short get_gpio_edge(unsigned);
93unsigned short get_gpio_both(unsigned);
94unsigned short get_gpio_maska(unsigned);
95unsigned short get_gpio_maskb(unsigned);
96unsigned short get_gpio_data(unsigned);
97unsigned short get_gpiop_dir(unsigned);
98unsigned short get_gpiop_inen(unsigned);
99unsigned short get_gpiop_polar(unsigned);
100unsigned short get_gpiop_edge(unsigned);
101unsigned short get_gpiop_both(unsigned);
102unsigned short get_gpiop_maska(unsigned);
103unsigned short get_gpiop_maskb(unsigned);
104unsigned short get_gpiop_data(unsigned);
105
106struct gpio_port_t {
107 unsigned short data;
108 unsigned short dummy1;
109 unsigned short data_clear;
110 unsigned short dummy2;
111 unsigned short data_set;
112 unsigned short dummy3;
113 unsigned short toggle;
114 unsigned short dummy4;
115 unsigned short maska;
116 unsigned short dummy5;
117 unsigned short maska_clear;
118 unsigned short dummy6;
119 unsigned short maska_set;
120 unsigned short dummy7;
121 unsigned short maska_toggle;
122 unsigned short dummy8;
123 unsigned short maskb;
124 unsigned short dummy9;
125 unsigned short maskb_clear;
126 unsigned short dummy10;
127 unsigned short maskb_set;
128 unsigned short dummy11;
129 unsigned short maskb_toggle;
130 unsigned short dummy12;
131 unsigned short dir;
132 unsigned short dummy13;
133 unsigned short polar;
134 unsigned short dummy14;
135 unsigned short edge;
136 unsigned short dummy15;
137 unsigned short both;
138 unsigned short dummy16;
139 unsigned short inen;
140};
141#endif
142
143#ifdef CONFIG_BFIN_GPIO_TRACK
144void bfin_gpio_labels(void);
145#else
146#define bfin_gpio_labels()
147#define bfin_gpio_request(gpio, label) bfin_gpio_request(gpio)
148#define bfin_special_gpio_request(gpio, label) bfin_special_gpio_request(gpio)
149#endif
150
151#ifdef BFIN_SPECIAL_GPIO_BANKS
152void bfin_special_gpio_free(unsigned gpio);
153int bfin_special_gpio_request(unsigned gpio, const char *label);
154#endif
155
156int bfin_gpio_request(unsigned gpio, const char *label);
157void bfin_gpio_free(unsigned gpio);
158int bfin_gpio_direction_input(unsigned gpio);
159int bfin_gpio_direction_output(unsigned gpio, int value);
160int bfin_gpio_get_value(unsigned gpio);
161void bfin_gpio_set_value(unsigned gpio, int value);
162void bfin_gpio_toggle_value(unsigned gpio);
163
164static inline int gpio_request(unsigned gpio, const char *label)
165{
166 return bfin_gpio_request(gpio, label);
167}
168
169static inline void gpio_free(unsigned gpio)
170{
171 return bfin_gpio_free(gpio);
172}
173
174static inline int gpio_direction_input(unsigned gpio)
175{
176 return bfin_gpio_direction_input(gpio);
177}
178
179static inline int gpio_direction_output(unsigned gpio, int value)
180{
181 return bfin_gpio_direction_output(gpio, value);
182}
183
184static inline int gpio_get_value(unsigned gpio)
185{
186 return bfin_gpio_get_value(gpio);
187}
188
189static inline void gpio_set_value(unsigned gpio, int value)
190{
191 return bfin_gpio_set_value(gpio, value);
192}
193
194static inline int gpio_is_valid(int number)
195{
196 return number >= 0 && number < MAX_BLACKFIN_GPIOS;
197}
198
199#endif /* __ASSEMBLY__ */
200
201#endif /* __ARCH_BLACKFIN_GPIO_H__ */