/* * Copyright 2006-2009 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #ifndef __ARCH_BLACKFIN_GPIO_H__ #define __ARCH_BLACKFIN_GPIO_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 #ifndef __ASSEMBLY__ #ifndef CONFIG_BF54x 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; }; #endif #ifdef CONFIG_BFIN_GPIO_TRACK void bfin_gpio_labels(void); void bfin_gpio_free(unsigned gpio); #else #define bfin_gpio_labels() #define bfin_gpio_free(gpio) #define bfin_gpio_request(gpio, label) bfin_gpio_request(gpio) #define bfin_special_gpio_request(gpio, label) bfin_special_gpio_request(gpio) #endif #ifdef BFIN_SPECIAL_GPIO_BANKS void bfin_special_gpio_free(unsigned gpio); int bfin_special_gpio_request(unsigned gpio, const char *label); #endif int bfin_gpio_request(unsigned gpio, const char *label); int bfin_gpio_direction_input(unsigned gpio); int bfin_gpio_direction_output(unsigned gpio, int value); int bfin_gpio_get_value(unsigned gpio); void bfin_gpio_set_value(unsigned gpio, int value); void bfin_gpio_toggle_value(unsigned gpio); static inline int gpio_request(unsigned gpio, const char *label) { return bfin_gpio_request(gpio, label); } static inline void gpio_free(unsigned gpio) { return bfin_gpio_free(gpio); } static inline int gpio_direction_input(unsigned gpio) { return bfin_gpio_direction_input(gpio); } static inline int gpio_direction_output(unsigned gpio, int value) { return bfin_gpio_direction_output(gpio, value); } static inline int gpio_get_value(unsigned gpio) { return bfin_gpio_get_value(gpio); } static inline void gpio_set_value(unsigned gpio, int value) { return bfin_gpio_set_value(gpio, value); } static inline int gpio_is_valid(int number) { return number >= 0 && number < MAX_BLACKFIN_GPIOS; } #include <linux/ctype.h> static inline int name_to_gpio(const char *name) { int port_base; if (tolower(*name) == 'p') { ++name; switch (tolower(*name)) { #ifdef GPIO_PA0 case 'a': port_base = GPIO_PA0; break; #endif #ifdef GPIO_PB0 case 'b': port_base = GPIO_PB0; break; #endif #ifdef GPIO_PC0 case 'c': port_base = GPIO_PC0; break; #endif #ifdef GPIO_PD0 case 'd': port_base = GPIO_PD0; break; #endif #ifdef GPIO_PE0 case 'e': port_base = GPIO_PE0; break; #endif #ifdef GPIO_PF0 case 'f': port_base = GPIO_PF0; break; #endif #ifdef GPIO_PG0 case 'g': port_base = GPIO_PG0; break; #endif #ifdef GPIO_PH0 case 'h': port_base = GPIO_PH0; break; #endif #ifdef GPIO_PI0 case 'i': port_base = GPIO_PI0; break; #endif #ifdef GPIO_PJ case 'j': port_base = GPIO_PJ0; break; #endif default: return -1; } ++name; } else port_base = 0; return port_base + simple_strtoul(name, NULL, 10); } #define name_to_gpio(n) name_to_gpio(n) #define gpio_status() bfin_gpio_labels() #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BLACKFIN_GPIO_H__ */