/* * File: arch/blackfin/kernel/bfin_gpio.h * Based on: * Author: Michael Hennerich (hennerich@blackfin.uclinux.org) * * Created: * Description: * * Modified: * Copyright 2004-2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see the file COPYING, or write * to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* * Number BF537/6/4 BF561 BF533/2/1 * BF527/5/2 * * GPIO_0 PF0 PF0 PF0 * GPIO_1 PF1 PF1 PF1 * GPIO_2 PF2 PF2 PF2 * GPIO_3 PF3 PF3 PF3 * GPIO_4 PF4 PF4 PF4 * GPIO_5 PF5 PF5 PF5 * GPIO_6 PF6 PF6 PF6 * GPIO_7 PF7 PF7 PF7 * GPIO_8 PF8 PF8 PF8 * GPIO_9 PF9 PF9 PF9 * GPIO_10 PF10 PF10 PF10 * GPIO_11 PF11 PF11 PF11 * GPIO_12 PF12 PF12 PF12 * GPIO_13 PF13 PF13 PF13 * GPIO_14 PF14 PF14 PF14 * GPIO_15 PF15 PF15 PF15 * GPIO_16 PG0 PF16 * GPIO_17 PG1 PF17 * GPIO_18 PG2 PF18 * GPIO_19 PG3 PF19 * GPIO_20 PG4 PF20 * GPIO_21 PG5 PF21 * GPIO_22 PG6 PF22 * GPIO_23 PG7 PF23 * GPIO_24 PG8 PF24 * GPIO_25 PG9 PF25 * GPIO_26 PG10 PF26 * GPIO_27 PG11 PF27 * GPIO_28 PG12 PF28 * GPIO_29 PG13 PF29 * GPIO_30 PG14 PF30 * GPIO_31 PG15 PF31 * GPIO_32 PH0 PF32 * GPIO_33 PH1 PF33 * GPIO_34 PH2 PF34 * GPIO_35 PH3 PF35 * GPIO_36 PH4 PF36 * GPIO_37 PH5 PF37 * GPIO_38 PH6 PF38 * GPIO_39 PH7 PF39 * GPIO_40 PH8 PF40 * GPIO_41 PH9 PF41 * GPIO_42 PH10 PF42 * GPIO_43 PH11 PF43 * GPIO_44 PH12 PF44 * GPIO_45 PH13 PF45 * GPIO_46 PH14 PF46 * GPIO_47 PH15 PF47 */ #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_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 #if defined(BF518_FAMILY) #define MAX_BLACKFIN_GPIOS 40 #define GPIO_PF0 0 #define GPIO_PF1 1 #define GPIO_PF2 2 #define GPIO_PF3 3 #define GPIO_PF4 4 #define GPIO_PF5 5 #define GPIO_PF6 6 #define GPIO_PF7 7 #define GPIO_PF8 8 #define GPIO_PF9 9 #define GPIO_PF10 10 #define GPIO_PF11 11 #define GPIO_PF12 12 #define GPIO_PF13 13 #define GPIO_PF14 14 #define GPIO_PF15 15 #define GPIO_PG0 16 #define GPIO_PG1 17 #define GPIO_PG2 18 #define GPIO_PG3 19 #define GPIO_PG4 20 #define GPIO_PG5 21 #define GPIO_PG6 22 #define GPIO_PG7 23 #define GPIO_PG8 24 #define GPIO_PG9 25 #define GPIO_PG10 26 #define GPIO_PG11 27 #define GPIO_PG12 28 #define GPIO_PG13 29 #define GPIO_PG14 30 #define GPIO_PG15 31 #define GPIO_PH0 32 #define GPIO_PH1 33 #define GPIO_PH2 34 #define GPIO_PH3 35 #define GPIO_PH4 36 #define GPIO_PH5 37 #define GPIO_PH6 38 #define GPIO_PH7 39 #define PORT_F GPIO_PF0 #define PORT_G GPIO_PG0 #define PORT_H GPIO_PH0 #endif #ifdef BF533_FAMILY #define MAX_BLACKFIN_GPIOS 16 #define GPIO_PF0 0 #define GPIO_PF1 1 #define GPIO_PF2 2 #define GPIO_PF3 3 #define GPIO_PF4 4 #define GPIO_PF5 5 #define GPIO_PF6 6 #define GPIO_PF7 7 #define GPIO_PF8 8 #define GPIO_PF9 9 #define GPIO_PF10 10 #define GPIO_PF11 11 #define GPIO_PF12 12 #define GPIO_PF13 13 #define GPIO_PF14 14 #define GPIO_PF15 15 #endif #if defined(BF538_FAMILY) /* FIXME: * For now only support PORTF GPIOs. * PORT C,D and E are for peripheral usage only */ #define MAX_BLACKFIN_GPIOS 16 #define GPIO_PF0 0 /* PF */ #define GPIO_PF1 1 #define GPIO_PF2 2 #define GPIO_PF3 3 #define GPIO_PF4 4 #define GPIO_PF5 5 #define GPIO_PF6 6 #define GPIO_PF7 7 #define GPIO_PF8 8 #define GPIO_PF9 9 #define GPIO_PF10 10 #define GPIO_PF11 11 #define GPIO_PF12 12 #define GPIO_PF13 13 #define GPIO_PF14 14 #define GPIO_PF15 15 #define GPIO_PC0 16 /* PC */ #define GPIO_PC1 17 #define GPIO_PC4 20 #define GPIO_PC5 21 #define GPIO_PC6 22 #define GPIO_PC7 23 #define GPIO_PC8 24 #define GPIO_PC9 25 #define GPIO_PD0 32 /* PD */ #define GPIO_PD1 33 #define GPIO_PD2 34 #define GPIO_PD3 35 #define GPIO_PD4 36 #define GPIO_PD5 37 #define GPIO_PD6 38 #define GPIO_PD7 39 #define GPIO_PD8 40 #define GPIO_PD9 41 #define GPIO_PD10 42 #define GPIO_PD11 43 #define GPIO_PD12 44 #define GPIO_PD13 45 #define GPIO_PE0 48 /* PE */ #define GPIO_PE1 49 #define GPIO_PE2 50 #define GPIO_PE3 51 #define GPIO_PE4 52 #define GPIO_PE5 53 #define GPIO_PE6 54 #define GPIO_PE7 55 #define GPIO_PE8 56 #define GPIO_PE9 57 #define GPIO_PE10 58 #define GPIO_PE11 59 #define GPIO_PE12 60 #define GPIO_PE13 61 #define GPIO_PE14 62 #define GPIO_PE15 63 #define PORT_F GPIO_PF0 #define PORT_C GPIO_PC0 #define PORT_D GPIO_PD0 #define PORT_E GPIO_PE0 #endif #if defined(BF527_FAMILY) || defined(BF537_FAMILY) #define MAX_BLACKFIN_GPIOS 48 #define GPIO_PF0 0 #define GPIO_PF1 1 #define GPIO_PF2 2 #define GPIO_PF3 3 #define GPIO_PF4 4 #define GPIO_PF5 5 #define GPIO_PF6 6 #define GPIO_PF7 7 #define GPIO_PF8 8 #define GPIO_PF9 9 #define GPIO_PF10 10 #define GPIO_PF11 11 #define GPIO_PF12 12 #define GPIO_PF13 13 #define GPIO_PF14 14 #define GPIO_PF15 15 #define GPIO_PG0 16 #define GPIO_PG1 17 #define GPIO_PG2 18 #define GPIO_PG3 19 #define GPIO_PG4 20 #define GPIO_PG5 21 #define GPIO_PG6 22 #define GPIO_PG7 23 #define GPIO_PG8 24 #define GPIO_PG9 25 #define GPIO_PG10 26 #define GPIO_PG11 27 #define GPIO_PG12 28 #define GPIO_PG13 29 #define GPIO_PG14 30 #define GPIO_PG15 31 #define GPIO_PH0 32 #define GPIO_PH1 33 #define GPIO_PH2 34 #define GPIO_PH3 35 #define GPIO_PH4 36 #define GPIO_PH5 37 #define GPIO_PH6 38 #define GPIO_PH7 39 #define GPIO_PH8 40 #define GPIO_PH9 41 #define GPIO_PH10 42 #define GPIO_PH11 43 #define GPIO_PH12 44 #define GPIO_PH13 45 #define GPIO_PH14 46 #define GPIO_PH15 47 #define PORT_F GPIO_PF0 #define PORT_G GPIO_PG0 #define PORT_H GPIO_PH0 #endif #ifdef BF548_FAMILY #include #endif #ifdef BF561_FAMILY #define MAX_BLACKFIN_GPIOS 48 #define GPIO_PF0 0 #define GPIO_PF1 1 #define GPIO_PF2 2 #define GPIO_PF3 3 #define GPIO_PF4 4 #define GPIO_PF5 5 #define GPIO_PF6 6 #define GPIO_PF7 7 #define GPIO_PF8 8 #define GPIO_PF9 9 #define GPIO_PF10 10 #define GPIO_PF11 11 #define GPIO_PF12 12 #define GPIO_PF13 13 #define GPIO_PF14 14 #define GPIO_PF15 15 #define GPIO_PF16 16 #define GPIO_PF17 17 #define GPIO_PF18 18 #define GPIO_PF19 19 #define GPIO_PF20 20 #define GPIO_PF21 21 #define GPIO_PF22 22 #define GPIO_PF23 23 #define GPIO_PF24 24 #define GPIO_PF25 25 #define GPIO_PF26 26 #define GPIO_PF27 27 #define GPIO_PF28 28 #define GPIO_PF29 29 #define GPIO_PF30 30 #define GPIO_PF31 31 #define GPIO_PF32 32 #define GPIO_PF33 33 #define GPIO_PF34 34 #define GPIO_PF35 35 #define GPIO_PF36 36 #define GPIO_PF37 37 #define GPIO_PF38 38 #define GPIO_PF39 39 #define GPIO_PF40 40 #define GPIO_PF41 41 #define GPIO_PF42 42 #define GPIO_PF43 43 #define GPIO_PF44 44 #define GPIO_PF45 45 #define GPIO_PF46 46 #define GPIO_PF47 47 #define PORT_FIO0 GPIO_0 #define PORT_FIO1 GPIO_16 #define PORT_FIO2 GPIO_32 #endif #ifndef __ASSEMBLY__ /*********************************************************** * * 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 : **************************************************************/ #ifndef BF548_FAMILY 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_PM unsigned int bfin_pm_standby_setup(void); void bfin_pm_standby_restore(void); void bfin_gpio_pm_hibernate_restore(void); void bfin_gpio_pm_hibernate_suspend(void); #ifndef CONFIG_BF54x #define PM_WAKE_RISING 0x1 #define PM_WAKE_FALLING 0x2 #define PM_WAKE_HIGH 0x4 #define PM_WAKE_LOW 0x8 #define PM_WAKE_BOTH_EDGES (PM_WAKE_RISING | PM_WAKE_FALLING) #define PM_WAKE_IGNORE 0xF0 int gpio_pm_wakeup_request(unsigned gpio, unsigned char type); void gpio_pm_wakeup_free(unsigned gpio); 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_BF54x*/ #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 gpio_request(unsigned, const char *); void gpio_free(unsigned); void gpio_set_value(unsigned gpio, int arg); int gpio_get_value(unsigned gpio); #ifndef BF548_FAMILY #define gpio_set_value(gpio, value) set_gpio_data(gpio, value) #endif int gpio_direction_input(unsigned gpio); int gpio_direction_output(unsigned gpio, int value); #include /* cansleep wrappers */ #include static inline int gpio_to_irq(unsigned gpio) { return (gpio + GPIO_IRQ_BASE); } static inline int irq_to_gpio(unsigned irq) { return (irq - GPIO_IRQ_BASE); } #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BLACKFIN_GPIO_H__ */