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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 | /* * 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) #include <mach/gpio.h> #define PERIPHERAL_USAGE 1 #define GPIO_USAGE 0 #ifndef BFIN_GPIO_PINT # define BFIN_GPIO_PINT 0 #endif #ifndef __ASSEMBLY__ #ifndef CONFIG_PINCTRL #include <linux/compiler.h> #include <asm/blackfin.h> #include <asm/portmux.h> #include <asm/irq_handler.h> /*********************************************************** * * FUNCTIONS: Blackfin General Purpose Ports Access Functions * * INPUTS/OUTPUTS: * gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS * * * DESCRIPTION: These functions abstract direct register access * to Blackfin processor General Purpose * Ports Regsiters * * CAUTION: These functions do not belong to the GPIO Driver API ************************************************************* * MODIFICATION HISTORY : **************************************************************/ 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; }; #ifdef BFIN_SPECIAL_GPIO_BANKS void bfin_special_gpio_free(unsigned gpio); int bfin_special_gpio_request(unsigned gpio, const char *label); # ifdef CONFIG_PM void bfin_special_gpio_pm_hibernate_restore(void); void bfin_special_gpio_pm_hibernate_suspend(void); # endif #endif #ifdef CONFIG_PM void bfin_gpio_pm_hibernate_restore(void); void bfin_gpio_pm_hibernate_suspend(void); int bfin_gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl); int bfin_gpio_pm_standby_ctrl(unsigned ctrl); static inline int bfin_pm_standby_setup(void) { return bfin_gpio_pm_standby_ctrl(1); } static inline void bfin_pm_standby_restore(void) { bfin_gpio_pm_standby_ctrl(0); } struct gpio_port_s { unsigned short data; unsigned short maska; unsigned short maskb; unsigned short dir; unsigned short polar; unsigned short edge; unsigned short both; unsigned short inen; unsigned short fer; unsigned short reserved; unsigned short mux; }; #endif /*CONFIG_PM*/ /*********************************************************** * * FUNCTIONS: Blackfin GPIO Driver * * INPUTS/OUTPUTS: * gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS * * * DESCRIPTION: Blackfin GPIO Driver API * * CAUTION: ************************************************************* * MODIFICATION HISTORY : **************************************************************/ int bfin_gpio_irq_request(unsigned gpio, const char *label); void bfin_gpio_irq_free(unsigned gpio); void bfin_gpio_irq_prepare(unsigned gpio); static inline int irq_to_gpio(unsigned irq) { return irq - GPIO_IRQ_BASE; } #endif /* CONFIG_PINCTRL */ #include <asm/irq.h> #include <asm/errno.h> #include <asm-generic/gpio.h> /* cansleep wrappers */ static inline int gpio_get_value(unsigned int gpio) { return __gpio_get_value(gpio); } static inline void gpio_set_value(unsigned int gpio, int value) { __gpio_set_value(gpio, value); } static inline int gpio_cansleep(unsigned int gpio) { return __gpio_cansleep(gpio); } static inline int gpio_to_irq(unsigned gpio) { return __gpio_to_irq(gpio); } #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BLACKFIN_GPIO_H__ */ |