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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 PERIPHERAL_USAGE 1
20#define GPIO_USAGE 0
21
22#ifndef BFIN_GPIO_PINT
23# define BFIN_GPIO_PINT 0
24#endif
25
26#ifndef __ASSEMBLY__
27
28#ifndef CONFIG_PINCTRL
29
30#include <linux/compiler.h>
31#include <asm/blackfin.h>
32#include <asm/portmux.h>
33#include <asm/irq_handler.h>
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52void set_gpio_dir(unsigned, unsigned short);
53void set_gpio_inen(unsigned, unsigned short);
54void set_gpio_polar(unsigned, unsigned short);
55void set_gpio_edge(unsigned, unsigned short);
56void set_gpio_both(unsigned, unsigned short);
57void set_gpio_data(unsigned, unsigned short);
58void set_gpio_maska(unsigned, unsigned short);
59void set_gpio_maskb(unsigned, unsigned short);
60void set_gpio_toggle(unsigned);
61void set_gpiop_dir(unsigned, unsigned short);
62void set_gpiop_inen(unsigned, unsigned short);
63void set_gpiop_polar(unsigned, unsigned short);
64void set_gpiop_edge(unsigned, unsigned short);
65void set_gpiop_both(unsigned, unsigned short);
66void set_gpiop_data(unsigned, unsigned short);
67void set_gpiop_maska(unsigned, unsigned short);
68void set_gpiop_maskb(unsigned, unsigned short);
69unsigned short get_gpio_dir(unsigned);
70unsigned short get_gpio_inen(unsigned);
71unsigned short get_gpio_polar(unsigned);
72unsigned short get_gpio_edge(unsigned);
73unsigned short get_gpio_both(unsigned);
74unsigned short get_gpio_maska(unsigned);
75unsigned short get_gpio_maskb(unsigned);
76unsigned short get_gpio_data(unsigned);
77unsigned short get_gpiop_dir(unsigned);
78unsigned short get_gpiop_inen(unsigned);
79unsigned short get_gpiop_polar(unsigned);
80unsigned short get_gpiop_edge(unsigned);
81unsigned short get_gpiop_both(unsigned);
82unsigned short get_gpiop_maska(unsigned);
83unsigned short get_gpiop_maskb(unsigned);
84unsigned short get_gpiop_data(unsigned);
85
86struct gpio_port_t {
87 unsigned short data;
88 unsigned short dummy1;
89 unsigned short data_clear;
90 unsigned short dummy2;
91 unsigned short data_set;
92 unsigned short dummy3;
93 unsigned short toggle;
94 unsigned short dummy4;
95 unsigned short maska;
96 unsigned short dummy5;
97 unsigned short maska_clear;
98 unsigned short dummy6;
99 unsigned short maska_set;
100 unsigned short dummy7;
101 unsigned short maska_toggle;
102 unsigned short dummy8;
103 unsigned short maskb;
104 unsigned short dummy9;
105 unsigned short maskb_clear;
106 unsigned short dummy10;
107 unsigned short maskb_set;
108 unsigned short dummy11;
109 unsigned short maskb_toggle;
110 unsigned short dummy12;
111 unsigned short dir;
112 unsigned short dummy13;
113 unsigned short polar;
114 unsigned short dummy14;
115 unsigned short edge;
116 unsigned short dummy15;
117 unsigned short both;
118 unsigned short dummy16;
119 unsigned short inen;
120};
121
122#ifdef BFIN_SPECIAL_GPIO_BANKS
123void bfin_special_gpio_free(unsigned gpio);
124int bfin_special_gpio_request(unsigned gpio, const char *label);
125# ifdef CONFIG_PM
126void bfin_special_gpio_pm_hibernate_restore(void);
127void bfin_special_gpio_pm_hibernate_suspend(void);
128# endif
129#endif
130
131#ifdef CONFIG_PM
132void bfin_gpio_pm_hibernate_restore(void);
133void bfin_gpio_pm_hibernate_suspend(void);
134int bfin_gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl);
135int bfin_gpio_pm_standby_ctrl(unsigned ctrl);
136
137static inline int bfin_pm_standby_setup(void)
138{
139 return bfin_gpio_pm_standby_ctrl(1);
140}
141
142static inline void bfin_pm_standby_restore(void)
143{
144 bfin_gpio_pm_standby_ctrl(0);
145}
146
147
148struct gpio_port_s {
149 unsigned short data;
150 unsigned short maska;
151 unsigned short maskb;
152 unsigned short dir;
153 unsigned short polar;
154 unsigned short edge;
155 unsigned short both;
156 unsigned short inen;
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158 unsigned short fer;
159 unsigned short reserved;
160 unsigned short mux;
161};
162#endif
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178int bfin_gpio_irq_request(unsigned gpio, const char *label);
179void bfin_gpio_irq_free(unsigned gpio);
180void bfin_gpio_irq_prepare(unsigned gpio);
181
182static inline int irq_to_gpio(unsigned irq)
183{
184 return irq - GPIO_IRQ_BASE;
185}
186#endif
187
188#include <asm/irq.h>
189#include <asm/errno.h>
190
191#include <asm-generic/gpio.h>
192
193static inline int gpio_get_value(unsigned int gpio)
194{
195 return __gpio_get_value(gpio);
196}
197
198static inline void gpio_set_value(unsigned int gpio, int value)
199{
200 __gpio_set_value(gpio, value);
201}
202
203static inline int gpio_cansleep(unsigned int gpio)
204{
205 return __gpio_cansleep(gpio);
206}
207
208static inline int gpio_to_irq(unsigned gpio)
209{
210 return __gpio_to_irq(gpio);
211}
212#endif
213
214#endif
215