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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#include <mach/gpio.h>
18
19#define GPIO_0 0
20#define GPIO_1 1
21#define GPIO_2 2
22#define GPIO_3 3
23#define GPIO_4 4
24#define GPIO_5 5
25#define GPIO_6 6
26#define GPIO_7 7
27#define GPIO_8 8
28#define GPIO_9 9
29#define GPIO_10 10
30#define GPIO_11 11
31#define GPIO_12 12
32#define GPIO_13 13
33#define GPIO_14 14
34#define GPIO_15 15
35#define GPIO_16 16
36#define GPIO_17 17
37#define GPIO_18 18
38#define GPIO_19 19
39#define GPIO_20 20
40#define GPIO_21 21
41#define GPIO_22 22
42#define GPIO_23 23
43#define GPIO_24 24
44#define GPIO_25 25
45#define GPIO_26 26
46#define GPIO_27 27
47#define GPIO_28 28
48#define GPIO_29 29
49#define GPIO_30 30
50#define GPIO_31 31
51#define GPIO_32 32
52#define GPIO_33 33
53#define GPIO_34 34
54#define GPIO_35 35
55#define GPIO_36 36
56#define GPIO_37 37
57#define GPIO_38 38
58#define GPIO_39 39
59#define GPIO_40 40
60#define GPIO_41 41
61#define GPIO_42 42
62#define GPIO_43 43
63#define GPIO_44 44
64#define GPIO_45 45
65#define GPIO_46 46
66#define GPIO_47 47
67
68#define PERIPHERAL_USAGE 1
69#define GPIO_USAGE 0
70
71#ifndef __ASSEMBLY__
72
73#include <linux/compiler.h>
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91
92#ifndef CONFIG_BF54x
93void set_gpio_dir(unsigned, unsigned short);
94void set_gpio_inen(unsigned, unsigned short);
95void set_gpio_polar(unsigned, unsigned short);
96void set_gpio_edge(unsigned, unsigned short);
97void set_gpio_both(unsigned, unsigned short);
98void set_gpio_data(unsigned, unsigned short);
99void set_gpio_maska(unsigned, unsigned short);
100void set_gpio_maskb(unsigned, unsigned short);
101void set_gpio_toggle(unsigned);
102void set_gpiop_dir(unsigned, unsigned short);
103void set_gpiop_inen(unsigned, unsigned short);
104void set_gpiop_polar(unsigned, unsigned short);
105void set_gpiop_edge(unsigned, unsigned short);
106void set_gpiop_both(unsigned, unsigned short);
107void set_gpiop_data(unsigned, unsigned short);
108void set_gpiop_maska(unsigned, unsigned short);
109void set_gpiop_maskb(unsigned, unsigned short);
110unsigned short get_gpio_dir(unsigned);
111unsigned short get_gpio_inen(unsigned);
112unsigned short get_gpio_polar(unsigned);
113unsigned short get_gpio_edge(unsigned);
114unsigned short get_gpio_both(unsigned);
115unsigned short get_gpio_maska(unsigned);
116unsigned short get_gpio_maskb(unsigned);
117unsigned short get_gpio_data(unsigned);
118unsigned short get_gpiop_dir(unsigned);
119unsigned short get_gpiop_inen(unsigned);
120unsigned short get_gpiop_polar(unsigned);
121unsigned short get_gpiop_edge(unsigned);
122unsigned short get_gpiop_both(unsigned);
123unsigned short get_gpiop_maska(unsigned);
124unsigned short get_gpiop_maskb(unsigned);
125unsigned short get_gpiop_data(unsigned);
126
127struct gpio_port_t {
128 unsigned short data;
129 unsigned short dummy1;
130 unsigned short data_clear;
131 unsigned short dummy2;
132 unsigned short data_set;
133 unsigned short dummy3;
134 unsigned short toggle;
135 unsigned short dummy4;
136 unsigned short maska;
137 unsigned short dummy5;
138 unsigned short maska_clear;
139 unsigned short dummy6;
140 unsigned short maska_set;
141 unsigned short dummy7;
142 unsigned short maska_toggle;
143 unsigned short dummy8;
144 unsigned short maskb;
145 unsigned short dummy9;
146 unsigned short maskb_clear;
147 unsigned short dummy10;
148 unsigned short maskb_set;
149 unsigned short dummy11;
150 unsigned short maskb_toggle;
151 unsigned short dummy12;
152 unsigned short dir;
153 unsigned short dummy13;
154 unsigned short polar;
155 unsigned short dummy14;
156 unsigned short edge;
157 unsigned short dummy15;
158 unsigned short both;
159 unsigned short dummy16;
160 unsigned short inen;
161};
162#endif
163
164#ifdef BFIN_SPECIAL_GPIO_BANKS
165void bfin_special_gpio_free(unsigned gpio);
166int bfin_special_gpio_request(unsigned gpio, const char *label);
167#endif
168
169#ifdef CONFIG_PM
170int bfin_pm_standby_ctrl(unsigned ctrl);
171
172static inline int bfin_pm_standby_setup(void)
173{
174 return bfin_pm_standby_ctrl(1);
175}
176
177static inline void bfin_pm_standby_restore(void)
178{
179 bfin_pm_standby_ctrl(0);
180}
181
182void bfin_gpio_pm_hibernate_restore(void);
183void bfin_gpio_pm_hibernate_suspend(void);
184
185#ifndef CONFIG_BF54x
186int gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl);
187
188struct gpio_port_s {
189 unsigned short data;
190 unsigned short maska;
191 unsigned short maskb;
192 unsigned short dir;
193 unsigned short polar;
194 unsigned short edge;
195 unsigned short both;
196 unsigned short inen;
197
198 unsigned short fer;
199 unsigned short reserved;
200 unsigned short mux;
201};
202#endif
203#endif
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219int bfin_gpio_request(unsigned gpio, const char *label);
220void bfin_gpio_free(unsigned gpio);
221int bfin_gpio_irq_request(unsigned gpio, const char *label);
222void bfin_gpio_irq_free(unsigned gpio);
223int bfin_gpio_direction_input(unsigned gpio);
224int bfin_gpio_direction_output(unsigned gpio, int value);
225int bfin_gpio_get_value(unsigned gpio);
226void bfin_gpio_set_value(unsigned gpio, int value);
227
228#include <asm/irq.h>
229#include <asm/errno.h>
230
231#ifdef CONFIG_GPIOLIB
232#include <asm-generic/gpio.h>
233
234static inline int gpio_get_value(unsigned int gpio)
235{
236 if (gpio < MAX_BLACKFIN_GPIOS)
237 return bfin_gpio_get_value(gpio);
238 else
239 return __gpio_get_value(gpio);
240}
241
242static inline void gpio_set_value(unsigned int gpio, int value)
243{
244 if (gpio < MAX_BLACKFIN_GPIOS)
245 bfin_gpio_set_value(gpio, value);
246 else
247 __gpio_set_value(gpio, value);
248}
249
250static inline int gpio_cansleep(unsigned int gpio)
251{
252 return __gpio_cansleep(gpio);
253}
254
255static inline int gpio_to_irq(unsigned gpio)
256{
257 return __gpio_to_irq(gpio);
258}
259
260#else
261
262static inline int gpio_request(unsigned gpio, const char *label)
263{
264 return bfin_gpio_request(gpio, label);
265}
266
267static inline void gpio_free(unsigned gpio)
268{
269 return bfin_gpio_free(gpio);
270}
271
272static inline int gpio_direction_input(unsigned gpio)
273{
274 return bfin_gpio_direction_input(gpio);
275}
276
277static inline int gpio_direction_output(unsigned gpio, int value)
278{
279 return bfin_gpio_direction_output(gpio, value);
280}
281
282static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
283{
284 return -EINVAL;
285}
286
287static inline int gpio_get_value(unsigned gpio)
288{
289 return bfin_gpio_get_value(gpio);
290}
291
292static inline void gpio_set_value(unsigned gpio, int value)
293{
294 return bfin_gpio_set_value(gpio, value);
295}
296
297static inline int gpio_to_irq(unsigned gpio)
298{
299 if (likely(gpio < MAX_BLACKFIN_GPIOS))
300 return gpio + GPIO_IRQ_BASE;
301
302 return -EINVAL;
303}
304
305#include <asm-generic/gpio.h>
306#endif
307
308static inline int irq_to_gpio(unsigned irq)
309{
310 return (irq - GPIO_IRQ_BASE);
311}
312
313#endif
314
315#endif
316