diff options
Diffstat (limited to 'arch/blackfin/include/asm/gpio.h')
| -rw-r--r-- | arch/blackfin/include/asm/gpio.h | 260 |
1 files changed, 50 insertions, 210 deletions
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h index 9477d82fcad..99d338ca2ea 100644 --- a/arch/blackfin/include/asm/gpio.h +++ b/arch/blackfin/include/asm/gpio.h @@ -1,152 +1,37 @@ /* - * File: arch/blackfin/kernel/bfin_gpio.h - * Based on: - * Author: Michael Hennerich (hennerich@blackfin.uclinux.org) + * Copyright 2006-2009 Analog Devices Inc. * - * 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 + * Licensed under the GPL-2 or later. */ -/* -* 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_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_BANKSIZE 16 +#define GPIO_BANK_NUM DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, GPIO_BANKSIZE) #include <mach/gpio.h> -#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 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 @@ -164,7 +49,6 @@ * 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); @@ -234,26 +118,32 @@ struct gpio_port_t { 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 - -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); +int bfin_gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl); +int bfin_gpio_pm_standby_ctrl(unsigned ctrl); -#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 +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); +} -int gpio_pm_wakeup_request(unsigned gpio, unsigned char type); -void gpio_pm_wakeup_free(unsigned gpio); struct gpio_port_s { unsigned short data; @@ -269,8 +159,8 @@ struct gpio_port_s { unsigned short reserved; unsigned short mux; }; -#endif /*CONFIG_BF54x*/ #endif /*CONFIG_PM*/ + /*********************************************************** * * FUNCTIONS: Blackfin GPIO Driver @@ -285,37 +175,29 @@ struct gpio_port_s { ************************************************************* * MODIFICATION HISTORY : **************************************************************/ - -int bfin_gpio_request(unsigned gpio, const char *label); -void bfin_gpio_free(unsigned gpio); int bfin_gpio_irq_request(unsigned gpio, const char *label); void bfin_gpio_irq_free(unsigned gpio); -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_irq_prepare(unsigned gpio); -#ifndef BF548_FAMILY -#define bfin_gpio_set_value(gpio, value) set_gpio_data(gpio, value) -#endif +static inline int irq_to_gpio(unsigned irq) +{ + return irq - GPIO_IRQ_BASE; +} +#endif /* CONFIG_PINCTRL */ + +#include <asm/irq.h> +#include <asm/errno.h> -#ifdef CONFIG_GPIOLIB #include <asm-generic/gpio.h> /* cansleep wrappers */ static inline int gpio_get_value(unsigned int gpio) { - if (gpio < MAX_BLACKFIN_GPIOS) - return bfin_gpio_get_value(gpio); - else - return __gpio_get_value(gpio); + return __gpio_get_value(gpio); } static inline void gpio_set_value(unsigned int gpio, int value) { - if (gpio < MAX_BLACKFIN_GPIOS) - bfin_gpio_set_value(gpio, value); - else - __gpio_set_value(gpio, value); + __gpio_set_value(gpio, value); } static inline int gpio_cansleep(unsigned int gpio) @@ -323,52 +205,10 @@ static inline int gpio_cansleep(unsigned int gpio) return __gpio_cansleep(gpio); } -#else /* !CONFIG_GPIOLIB */ - -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); -} - -#include <asm-generic/gpio.h> /* cansleep wrappers */ -#endif /* !CONFIG_GPIOLIB */ -#include <asm/irq.h> - static inline int gpio_to_irq(unsigned gpio) { - return (gpio + GPIO_IRQ_BASE); + return __gpio_to_irq(gpio); } - -static inline int irq_to_gpio(unsigned irq) -{ - return (irq - GPIO_IRQ_BASE); -} - #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BLACKFIN_GPIO_H__ */ |