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- /*
- * Copyright 2006-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
- #ifndef __ARCH_BLACKFIN_GPIO_H__
- #define __ARCH_BLACKFIN_GPIO_H__
- #include <asm-generic/gpio.h>
- #include <asm/portmux.h>
- #define gpio_bank(x) ((x) >> 4)
- #define gpio_bit(x) (1<<((x) & 0xF))
- #define gpio_sub_n(x) ((x) & 0xF)
- #define GPIO_BANKSIZE 16
- #define GPIO_BANK_NUM DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, GPIO_BANKSIZE)
- #define GPIO_0 0
- #define GPIO_1 1
- #define GPIO_2 2
- #define GPIO_3 3
- #define GPIO_4 4
- #define GPIO_5 5
- #define GPIO_6 6
- #define GPIO_7 7
- #define GPIO_8 8
- #define GPIO_9 9
- #define GPIO_10 10
- #define GPIO_11 11
- #define GPIO_12 12
- #define GPIO_13 13
- #define GPIO_14 14
- #define GPIO_15 15
- #define GPIO_16 16
- #define GPIO_17 17
- #define GPIO_18 18
- #define GPIO_19 19
- #define GPIO_20 20
- #define GPIO_21 21
- #define GPIO_22 22
- #define GPIO_23 23
- #define GPIO_24 24
- #define GPIO_25 25
- #define GPIO_26 26
- #define GPIO_27 27
- #define GPIO_28 28
- #define GPIO_29 29
- #define GPIO_30 30
- #define GPIO_31 31
- #define GPIO_32 32
- #define GPIO_33 33
- #define GPIO_34 34
- #define GPIO_35 35
- #define GPIO_36 36
- #define GPIO_37 37
- #define GPIO_38 38
- #define GPIO_39 39
- #define GPIO_40 40
- #define GPIO_41 41
- #define GPIO_42 42
- #define GPIO_43 43
- #define GPIO_44 44
- #define GPIO_45 45
- #define GPIO_46 46
- #define GPIO_47 47
- #define PERIPHERAL_USAGE 1
- #define GPIO_USAGE 0
- #define MAX_GPIOS MAX_BLACKFIN_GPIOS
- #ifndef __ASSEMBLY__
- #ifndef CONFIG_ADI_GPIO2
- void set_gpio_dir(unsigned, unsigned short);
- void set_gpio_inen(unsigned, unsigned short);
- void set_gpio_polar(unsigned, unsigned short);
- void set_gpio_edge(unsigned, unsigned short);
- void set_gpio_both(unsigned, unsigned short);
- void set_gpio_data(unsigned, unsigned short);
- void set_gpio_maska(unsigned, unsigned short);
- void set_gpio_maskb(unsigned, unsigned short);
- void set_gpio_toggle(unsigned);
- void set_gpiop_dir(unsigned, unsigned short);
- void set_gpiop_inen(unsigned, unsigned short);
- void set_gpiop_polar(unsigned, unsigned short);
- void set_gpiop_edge(unsigned, unsigned short);
- void set_gpiop_both(unsigned, unsigned short);
- void set_gpiop_data(unsigned, unsigned short);
- void set_gpiop_maska(unsigned, unsigned short);
- void set_gpiop_maskb(unsigned, unsigned short);
- unsigned short get_gpio_dir(unsigned);
- unsigned short get_gpio_inen(unsigned);
- unsigned short get_gpio_polar(unsigned);
- unsigned short get_gpio_edge(unsigned);
- unsigned short get_gpio_both(unsigned);
- unsigned short get_gpio_maska(unsigned);
- unsigned short get_gpio_maskb(unsigned);
- unsigned short get_gpio_data(unsigned);
- unsigned short get_gpiop_dir(unsigned);
- unsigned short get_gpiop_inen(unsigned);
- unsigned short get_gpiop_polar(unsigned);
- unsigned short get_gpiop_edge(unsigned);
- unsigned short get_gpiop_both(unsigned);
- unsigned short get_gpiop_maska(unsigned);
- unsigned short get_gpiop_maskb(unsigned);
- unsigned short get_gpiop_data(unsigned);
- struct gpio_port_t {
- unsigned short data;
- unsigned short dummy1;
- unsigned short data_clear;
- unsigned short dummy2;
- unsigned short data_set;
- unsigned short dummy3;
- unsigned short toggle;
- unsigned short dummy4;
- unsigned short maska;
- unsigned short dummy5;
- unsigned short maska_clear;
- unsigned short dummy6;
- unsigned short maska_set;
- unsigned short dummy7;
- unsigned short maska_toggle;
- unsigned short dummy8;
- unsigned short maskb;
- unsigned short dummy9;
- unsigned short maskb_clear;
- unsigned short dummy10;
- unsigned short maskb_set;
- unsigned short dummy11;
- unsigned short maskb_toggle;
- unsigned short dummy12;
- unsigned short dir;
- unsigned short dummy13;
- unsigned short polar;
- unsigned short dummy14;
- unsigned short edge;
- unsigned short dummy15;
- unsigned short both;
- unsigned short dummy16;
- unsigned short inen;
- };
- #else
- extern struct gpio_port_t * const gpio_array[];
- #endif
- #ifdef ADI_SPECIAL_GPIO_BANKS
- void special_gpio_free(unsigned gpio);
- int special_gpio_request(unsigned gpio, const char *label);
- #endif
- void gpio_labels(void);
- static inline int gpio_is_valid(int number)
- {
- return number >= 0 && number < MAX_GPIOS;
- }
- #include <linux/ctype.h>
- #define gpio_status() gpio_labels()
- #endif /* __ASSEMBLY__ */
- #endif /* __ARCH_BLACKFIN_GPIO_H__ */
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