| /* |
| * 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 |
| |
| #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(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 <asm-blackfin/mach-bf548/gpio.h> |
| #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 <asm-generic/gpio.h> /* cansleep wrappers */ |
| #include <asm/irq.h> |
| |
| 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__ */ |
