/* nothing here yet */
}
-static inline void s3c_pm_saved_gpios(void)
+static inline void samsung_pm_saved_gpios(void)
{
/* nothing here yet */
}
-/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h
- *
- * Copyright (c) 2003-2009 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2410 - hardware
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __MACH_GPIO_FNS_H
-#define __MACH_GPIO_FNS_H __FILE__
-
-/* These functions are in the to-be-removed category and it is strongly
- * encouraged not to use these in new code. They will be marked deprecated
- * very soon.
- *
- * Most of the functionality can be either replaced by the gpiocfg calls
- * for the s3c platform or by the generic GPIOlib API.
- *
- * As of 2.6.35-rc, these will be removed, with the few drivers using them
- * either replaced or given a wrapper until the calls can be removed.
-*/
-
-#include <plat/gpio-cfg.h>
-
-static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg)
-{
- /* 1:1 mapping between cfgpin and setcfg calls at the moment */
- s3c_gpio_cfgpin(pin, cfg);
-}
-
-/* external functions for GPIO support
- *
- * These allow various different clients to access the same GPIO
- * registers without conflicting. If your driver only owns the entire
- * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
-*/
-
-extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
-
-/* s3c2410_gpio_getirq
- *
- * turn the given pin number into the corresponding IRQ number
- *
- * returns:
- * < 0 = no interrupt for this pin
- * >=0 = interrupt number for the pin
-*/
-
-extern int s3c2410_gpio_getirq(unsigned int pin);
-
-/* s3c2410_gpio_irqfilter
- *
- * set the irq filtering on the given pin
- *
- * on = 0 => disable filtering
- * 1 => enable filtering
- *
- * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with
- * width of filter (0 through 63)
- *
- *
-*/
-
-extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
- unsigned int config);
-
-/* s3c2410_gpio_pullup
- *
- * This call should be replaced with s3c_gpio_setpull().
- *
- * As a note, there is currently no distinction between pull-up and pull-down
- * in the s3c24xx series devices with only an on/off configuration.
- */
-
-/* s3c2410_gpio_pullup
- *
- * configure the pull-up control on the given pin
- *
- * to = 1 => disable the pull-up
- * 0 => enable the pull-up
- *
- * eg;
- *
- * s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
- * s3c2410_gpio_pullup(S3C2410_GPE(8), 0);
-*/
-
-extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
-
-extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
-
-extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
-
-#endif /* __MACH_GPIO_FNS_H */
+#include <plat/gpio-fns.h>
#include <mach/regs-gpio.h>
-extern struct s3c_gpio_chip s3c24xx_gpios[];
+extern struct samsung_gpio_chip s3c24xx_gpios[];
-static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin)
+static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin)
{
- struct s3c_gpio_chip *chip;
+ struct samsung_gpio_chip *chip;
if (pin > S3C_GPIO_END)
return NULL;
}
static inline void s3c_pm_restored_gpios(void) { }
-static inline void s3c_pm_saved_gpios(void) { }
+static inline void samsung_pm_saved_gpios(void) { }
void __init s3c2410_map_io(void)
{
- s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up;
- s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up;
+ s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
+ s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc));
}
int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state)
{
- struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
+ struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin);
unsigned long offs = pin - chip->chip.base;
unsigned long flags;
unsigned long slpcon;
void __init s3c2416_map_io(void)
{
- s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown;
- s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown;
+ s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
+ s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
/* initialize device information early */
s3c2416_default_sdhci0();
{
s3c244x_map_io();
- s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up;
- s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up;
+ s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
+ s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
}
{
s3c244x_map_io();
- s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1down;
- s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1down;
+ s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1down;
+ s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1down;
}
void __init s3c2443_map_io(void)
{
- s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_s3c2443;
- s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_s3c2443;
+ s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
+ s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
}
__raw_writel(0, S3C64XX_SLPEN);
}
-static inline void s3c_pm_saved_gpios(void)
+static inline void samsung_pm_saved_gpios(void)
{
/* turn on the sleep mode and keep it there, as it seems that during
* suspend the xCON registers get re-set and thus you can end up with
}
static inline void s3c_pm_restored_gpios(void) { }
-static inline void s3c_pm_saved_gpios(void) { }
+static inline void samsung_pm_saved_gpios(void) { }
int start;
int nr_groups;
int irq;
- struct s3c_gpio_chip **chips;
+ struct samsung_gpio_chip **chips;
void (*handler)(unsigned int, struct irq_desc *);
};
chained_irq_enter(chip, desc);
for (group = 0; group < bank->nr_groups; group++) {
- struct s3c_gpio_chip *chip = bank->chips[group];
+ struct samsung_gpio_chip *chip = bank->chips[group];
if (!chip)
continue;
chained_irq_exit(chip, desc);
}
-static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
+static __init int s5p_gpioint_add(struct samsung_gpio_chip *chip)
{
static int used_gpioint_groups = 0;
int group = chip->group;
return -EINVAL;
if (!bank->handler) {
- bank->chips = kzalloc(sizeof(struct s3c_gpio_chip *) *
+ bank->chips = kzalloc(sizeof(struct samsung_gpio_chip *) *
bank->nr_groups, GFP_KERNEL);
if (!bank->chips)
return -ENOMEM;
int __init s5p_register_gpio_interrupt(int pin)
{
- struct s3c_gpio_chip *my_chip = s3c_gpiolib_getchip(pin);
+ struct samsung_gpio_chip *my_chip = samsung_gpiolib_getchip(pin);
int offset, group;
int ret;
-/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg-helper.h
+/* linux/arch/arm/plat-samsung/include/plat/gpio-cfg-helper.h
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* http://armlinux.simtec.co.uk/
* Ben Dooks <ben@simtec.co.uk>
*
- * S3C Platform - GPIO pin configuration helper definitions
+ * Samsung Platform - GPIO pin configuration helper definitions
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* by disabling interrupts.
*/
-static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip,
- unsigned int off, unsigned int config)
+static inline int samsung_gpio_do_setcfg(struct samsung_gpio_chip *chip,
+ unsigned int off, unsigned int config)
{
return (chip->config->set_config)(chip, off, config);
}
-static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip,
- unsigned int off)
+static inline unsigned samsung_gpio_do_getcfg(struct samsung_gpio_chip *chip,
+ unsigned int off)
{
return (chip->config->get_config)(chip, off);
}
-static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,
- unsigned int off, s3c_gpio_pull_t pull)
+static inline int samsung_gpio_do_setpull(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull)
{
return (chip->config->set_pull)(chip, off, pull);
}
-static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip,
- unsigned int off)
+static inline samsung_gpio_pull_t samsung_gpio_do_getpull(struct samsung_gpio_chip *chip,
+ unsigned int off)
{
return chip->config->get_pull(chip, off);
}
-/**
- * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration.
- * @chip: The gpio chip that is being configured.
- * @off: The offset for the GPIO being configured.
- * @cfg: The configuration value to set.
- *
- * This helper deal with the GPIO cases where the control register
- * has two bits of configuration per gpio, which have the following
- * functions:
- * 00 = input
- * 01 = output
- * 1x = special function
-*/
-extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
- unsigned int off, unsigned int cfg);
-
-/**
- * s3c_gpio_getcfg_s3c24xx - S3C24XX style GPIO configuration read.
- * @chip: The gpio chip that is being configured.
- * @off: The offset for the GPIO being configured.
- *
- * The reverse of s3c_gpio_setcfg_s3c24xx(). Will return a value whicg
- * could be directly passed back to s3c_gpio_setcfg_s3c24xx(), from the
- * S3C_GPIO_SPECIAL() macro.
- */
-unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip,
- unsigned int off);
-
-/**
- * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A)
- * @chip: The gpio chip that is being configured.
- * @off: The offset for the GPIO being configured.
- * @cfg: The configuration value to set.
- *
- * This helper deal with the GPIO cases where the control register
- * has one bit of configuration for the gpio, where setting the bit
- * means the pin is in special function mode and unset means output.
-*/
-extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
- unsigned int off, unsigned int cfg);
-
-
-/**
- * s3c_gpio_getcfg_s3c24xx_a - S3C24XX style GPIO configuration read (Bank A)
- * @chip: The gpio chip that is being configured.
- * @off: The offset for the GPIO being configured.
- *
- * The reverse of s3c_gpio_setcfg_s3c24xx_a() turning an GPIO into a usable
- * GPIO configuration value.
- *
- * @sa s3c_gpio_getcfg_s3c24xx
- * @sa s3c_gpio_getcfg_s3c64xx_4bit
- */
-extern unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
- unsigned int off);
-
-/**
- * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config.
- * @chip: The gpio chip that is being configured.
- * @off: The offset for the GPIO being configured.
- * @cfg: The configuration value to set.
- *
- * This helper deal with the GPIO cases where the control register has 4 bits
- * of control per GPIO, generally in the form of:
- * 0000 = Input
- * 0001 = Output
- * others = Special functions (dependent on bank)
- *
- * Note, since the code to deal with the case where there are two control
- * registers instead of one, we do not have a separate set of functions for
- * each case.
-*/
-extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
- unsigned int off, unsigned int cfg);
-
-
-/**
- * s3c_gpio_getcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config read.
- * @chip: The gpio chip that is being configured.
- * @off: The offset for the GPIO being configured.
- *
- * The reverse of s3c_gpio_setcfg_s3c64xx_4bit(), turning a gpio configuration
- * register setting into a value the software can use, such as could be passed
- * to s3c_gpio_setcfg_s3c64xx_4bit().
- *
- * @sa s3c_gpio_getcfg_s3c24xx
- */
-extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
- unsigned int off);
-
/* Pull-{up,down} resistor controls.
*
* S3C2410,S3C2440 = Pull-UP,
*/
/**
- * s3c_gpio_setpull_1up() - Pull configuration for choice of up or none.
+ * s3c24xx_gpio_setpull_1up() - Pull configuration for choice of up or none.
* @chip: The gpio chip that is being configured.
* @off: The offset for the GPIO being configured.
* @param: pull: The pull mode being requested.
* This is a helper function for the case where we have GPIOs with one
* bit configuring the presence of a pull-up resistor.
*/
-extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
- unsigned int off, s3c_gpio_pull_t pull);
+extern int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull);
/**
- * s3c_gpio_setpull_1down() - Pull configuration for choice of down or none
+ * s3c24xx_gpio_setpull_1down() - Pull configuration for choice of down or none
* @chip: The gpio chip that is being configured
* @off: The offset for the GPIO being configured
* @param: pull: The pull mode being requested
* This is a helper function for the case where we have GPIOs with one
* bit configuring the presence of a pull-down resistor.
*/
-extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip,
- unsigned int off, s3c_gpio_pull_t pull);
+extern int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull);
/**
- * s3c_gpio_setpull_upown() - Pull configuration for choice of up, down or none
+ * samsung_gpio_setpull_upown() - Pull configuration for choice of up,
+ * down or none
+ *
* @chip: The gpio chip that is being configured.
* @off: The offset for the GPIO being configured.
* @param: pull: The pull mode being requested.
* 01 = Pull-up resistor connected
* 10 = Pull-down resistor connected
*/
-extern int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip,
- unsigned int off, s3c_gpio_pull_t pull);
-
+extern int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull);
/**
- * s3c_gpio_getpull_updown() - Get configuration for choice of up, down or none
+ * samsung_gpio_getpull_updown() - Get configuration for choice of up,
+ * down or none
+ *
* @chip: The gpio chip that the GPIO pin belongs to
* @off: The offset to the pin to get the configuration of.
*
- * This helper function reads the state of the pull-{up,down} resistor for the
- * given GPIO in the same case as s3c_gpio_setpull_upown.
+ * This helper function reads the state of the pull-{up,down} resistor
+ * for the given GPIO in the same case as samsung_gpio_setpull_upown.
*/
-extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
- unsigned int off);
+extern samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip,
+ unsigned int off);
/**
- * s3c_gpio_getpull_1up() - Get configuration for choice of up or none
+ * s3c24xx_gpio_getpull_1up() - Get configuration for choice of up or none
* @chip: The gpio chip that the GPIO pin belongs to
* @off: The offset to the pin to get the configuration of.
*
* This helper function reads the state of the pull-up resistor for the
- * given GPIO in the same case as s3c_gpio_setpull_1up.
+ * given GPIO in the same case as s3c24xx_gpio_setpull_1up.
*/
-extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
- unsigned int off);
+extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip,
+ unsigned int off);
/**
- * s3c_gpio_getpull_1down() - Get configuration for choice of down or none
+ * s3c24xx_gpio_getpull_1down() - Get configuration for choice of down or none
* @chip: The gpio chip that the GPIO pin belongs to
* @off: The offset to the pin to get the configuration of.
*
* This helper function reads the state of the pull-down resistor for the
- * given GPIO in the same case as s3c_gpio_setpull_1down.
+ * given GPIO in the same case as s3c24xx_gpio_setpull_1down.
*/
-extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip,
- unsigned int off);
+extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip,
+ unsigned int off);
/**
- * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443.
+ * s3c2443_gpio_setpull() - Pull configuration for s3c2443.
* @chip: The gpio chip that is being configured.
* @off: The offset for the GPIO being configured.
* @param: pull: The pull mode being requested.
* 10 = Pull-down resistor connected
* x1 = No pull up resistor
*/
-extern int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip,
- unsigned int off, s3c_gpio_pull_t pull);
+extern int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull);
/**
- * s3c_gpio_getpull_s3c2443() - Get configuration for s3c2443 pull resistors
+ * s3c2443_gpio_getpull() - Get configuration for s3c2443 pull resistors
* @chip: The gpio chip that the GPIO pin belongs to.
* @off: The offset to the pin to get the configuration of.
*
* This helper function reads the state of the pull-{up,down} resistor for the
- * given GPIO in the same case as s3c_gpio_setpull_upown.
+ * given GPIO in the same case as samsung_gpio_setpull_upown.
*/
-extern s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip,
+extern samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip,
unsigned int off);
#endif /* __PLAT_GPIO_CFG_HELPERS_H */
-
#ifndef __PLAT_GPIO_CFG_H
#define __PLAT_GPIO_CFG_H __FILE__
-typedef unsigned int __bitwise__ s3c_gpio_pull_t;
+typedef unsigned int __bitwise__ samsung_gpio_pull_t;
typedef unsigned int __bitwise__ s5p_gpio_drvstr_t;
/* forward declaration if gpio-core.h hasn't been included */
-struct s3c_gpio_chip;
+struct samsung_gpio_chip;
/**
- * struct s3c_gpio_cfg GPIO configuration
+ * struct samsung_gpio_cfg GPIO configuration
* @cfg_eint: Configuration setting when used for external interrupt source
* @get_pull: Read the current pull configuration for the GPIO
* @set_pull: Set the current pull configuraiton for the GPIO
* per-bank configuration information that other systems such as the
* external interrupt code will need.
*
- * @sa s3c_gpio_cfgpin
+ * @sa samsung_gpio_cfgpin
* @sa s3c_gpio_getcfg
* @sa s3c_gpio_setpull
* @sa s3c_gpio_getpull
*/
-struct s3c_gpio_cfg {
+struct samsung_gpio_cfg {
unsigned int cfg_eint;
- s3c_gpio_pull_t (*get_pull)(struct s3c_gpio_chip *chip, unsigned offs);
- int (*set_pull)(struct s3c_gpio_chip *chip, unsigned offs,
- s3c_gpio_pull_t pull);
+ samsung_gpio_pull_t (*get_pull)(struct samsung_gpio_chip *chip, unsigned offs);
+ int (*set_pull)(struct samsung_gpio_chip *chip, unsigned offs,
+ samsung_gpio_pull_t pull);
- unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs);
- int (*set_config)(struct s3c_gpio_chip *chip, unsigned offs,
+ unsigned (*get_config)(struct samsung_gpio_chip *chip, unsigned offs);
+ int (*set_config)(struct samsung_gpio_chip *chip, unsigned offs,
unsigned config);
};
#define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1))
#define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x))
-#define s3c_gpio_is_cfg_special(_cfg) \
+#define samsung_gpio_is_cfg_special(_cfg) \
(((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK)
/**
* up or down settings, and it may be dependent on the chip that is being
* used to whether the particular mode is available.
*/
-#define S3C_GPIO_PULL_NONE ((__force s3c_gpio_pull_t)0x00)
-#define S3C_GPIO_PULL_DOWN ((__force s3c_gpio_pull_t)0x01)
-#define S3C_GPIO_PULL_UP ((__force s3c_gpio_pull_t)0x02)
+#define S3C_GPIO_PULL_NONE ((__force samsung_gpio_pull_t)0x00)
+#define S3C_GPIO_PULL_DOWN ((__force samsung_gpio_pull_t)0x01)
+#define S3C_GPIO_PULL_UP ((__force samsung_gpio_pull_t)0x02)
/**
* s3c_gpio_setpull() - set the state of a gpio pin pull resistor
*
* @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP.
*/
-extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull);
+extern int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull);
/**
* s3c_gpio_getpull() - get the pull resistor state of a gpio pin
*
* Read the pull resistor value for the specified pin.
*/
-extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
+extern samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
/* configure `all` aspects of an gpio */
* @sa s3c_gpio_cfgpin_range
*/
extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
- unsigned int cfg, s3c_gpio_pull_t pull);
+ unsigned int cfg, samsung_gpio_pull_t pull);
static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size,
unsigned int cfg)
* specific code.
*/
-struct s3c_gpio_chip;
+struct samsung_gpio_chip;
/**
- * struct s3c_gpio_pm - power management (suspend/resume) information
+ * struct samsung_gpio_pm - power management (suspend/resume) information
* @save: Routine to save the state of the GPIO block
* @resume: Routine to resume the GPIO block.
*/
-struct s3c_gpio_pm {
- void (*save)(struct s3c_gpio_chip *chip);
- void (*resume)(struct s3c_gpio_chip *chip);
+struct samsung_gpio_pm {
+ void (*save)(struct samsung_gpio_chip *chip);
+ void (*resume)(struct samsung_gpio_chip *chip);
};
-struct s3c_gpio_cfg;
+struct samsung_gpio_cfg;
/**
- * struct s3c_gpio_chip - wrapper for specific implementation of gpio
+ * struct samsung_gpio_chip - wrapper for specific implementation of gpio
* @chip: The chip structure to be exported via gpiolib.
* @base: The base pointer to the gpio configuration registers.
* @group: The group register number for gpio interrupt support.
* CPU cores trying to get one lock for different GPIO banks, where each
* bank of GPIO has its own register space and configuration registers.
*/
-struct s3c_gpio_chip {
+struct samsung_gpio_chip {
struct gpio_chip chip;
- struct s3c_gpio_cfg *config;
- struct s3c_gpio_pm *pm;
+ struct samsung_gpio_cfg *config;
+ struct samsung_gpio_pm *pm;
void __iomem *base;
int irq_base;
int group;
#endif
};
-static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc)
+static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc)
{
- return container_of(gpc, struct s3c_gpio_chip, chip);
+ return container_of(gpc, struct samsung_gpio_chip, chip);
}
-/** s3c_gpiolib_add() - add the s3c specific version of a gpio_chip.
- * @chip: The chip to register
- *
- * This is a wrapper to gpiochip_add() that takes our specific gpio chip
- * information and makes the necessary alterations for the platform and
- * notes the information for use with the configuration systems and any
- * other parts of the system.
- */
-extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip);
-
-/* CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios
- * for use with the configuration calls, and other parts of the s3c gpiolib
- * support code.
- *
- * Not all s3c support code will need this, as some configurations of cpu
- * may only support one or two different configuration options and have an
- * easy gpio to s3c_gpio_chip mapping function. If this is the case, then
- * the machine support file should provide its own s3c_gpiolib_getchip()
- * and any other necessary functions.
- */
-
-/**
- * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config.
- * @chip: The gpio chip that is being configured.
- * @nr_chips: The no of chips (gpio ports) for the GPIO being configured.
- *
- * This helper deal with the GPIO cases where the control register has 4 bits
- * of control per GPIO, generally in the form of:
- * 0000 = Input
- * 0001 = Output
- * others = Special functions (dependent on bank)
- *
- * Note, since the code to deal with the case where there are two control
- * registers instead of one, we do not have a separate set of function
- * (samsung_gpiolib_add_4bit2_chips)for each case.
- */
-extern void samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip,
- int nr_chips);
-extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip,
- int nr_chips);
-extern void samsung_gpiolib_add_2bit_chips(struct s3c_gpio_chip *chip,
- int nr_chips);
-
-extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip);
-extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
-
-
/**
* samsung_gpiolib_to_irq - convert gpio pin to irq number
* @chip: The gpio chip that the pin belongs to.
extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset);
/* exported for core SoC support to change */
-extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default;
+extern struct samsung_gpio_cfg s3c24xx_gpiocfg_default;
#ifdef CONFIG_S3C_GPIO_TRACK
-extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
+extern struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END];
-static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip)
+static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int chip)
{
return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL;
}
#else
-/* machine specific code should provide s3c_gpiolib_getchip */
+/* machine specific code should provide samsung_gpiolib_getchip */
#include <mach/gpio-track.h>
-static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { }
+static inline void s3c_gpiolib_track(struct samsung_gpio_chip *chip) { }
#endif
#ifdef CONFIG_PM
-extern struct s3c_gpio_pm s3c_gpio_pm_1bit;
-extern struct s3c_gpio_pm s3c_gpio_pm_2bit;
-extern struct s3c_gpio_pm s3c_gpio_pm_4bit;
+extern struct samsung_gpio_pm samsung_gpio_pm_1bit;
+extern struct samsung_gpio_pm samsung_gpio_pm_2bit;
+extern struct samsung_gpio_pm samsung_gpio_pm_4bit;
#define __gpio_pm(x) x
#else
-#define s3c_gpio_pm_1bit NULL
-#define s3c_gpio_pm_2bit NULL
-#define s3c_gpio_pm_4bit NULL
+#define samsung_gpio_pm_1bit NULL
+#define samsung_gpio_pm_2bit NULL
+#define samsung_gpio_pm_4bit NULL
#define __gpio_pm(x) NULL
#endif /* CONFIG_PM */
/* locking wrappers to deal with multiple access to the same gpio bank */
-#define s3c_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl)
-#define s3c_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl)
+#define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl)
+#define samsung_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl)
--- /dev/null
+/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h
+ *
+ * Copyright (c) 2003-2009 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - hardware
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __MACH_GPIO_FNS_H
+#define __MACH_GPIO_FNS_H __FILE__
+
+/* These functions are in the to-be-removed category and it is strongly
+ * encouraged not to use these in new code. They will be marked deprecated
+ * very soon.
+ *
+ * Most of the functionality can be either replaced by the gpiocfg calls
+ * for the s3c platform or by the generic GPIOlib API.
+ *
+ * As of 2.6.35-rc, these will be removed, with the few drivers using them
+ * either replaced or given a wrapper until the calls can be removed.
+*/
+
+#include <plat/gpio-cfg.h>
+
+static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg)
+{
+ /* 1:1 mapping between cfgpin and setcfg calls at the moment */
+ s3c_gpio_cfgpin(pin, cfg);
+}
+
+/* external functions for GPIO support
+ *
+ * These allow various different clients to access the same GPIO
+ * registers without conflicting. If your driver only owns the entire
+ * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
+*/
+
+extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
+
+/* s3c2410_gpio_getirq
+ *
+ * turn the given pin number into the corresponding IRQ number
+ *
+ * returns:
+ * < 0 = no interrupt for this pin
+ * >=0 = interrupt number for the pin
+*/
+
+extern int s3c2410_gpio_getirq(unsigned int pin);
+
+/* s3c2410_gpio_irqfilter
+ *
+ * set the irq filtering on the given pin
+ *
+ * on = 0 => disable filtering
+ * 1 => enable filtering
+ *
+ * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with
+ * width of filter (0 through 63)
+ *
+ *
+*/
+
+extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
+ unsigned int config);
+
+/* s3c2410_gpio_pullup
+ *
+ * This call should be replaced with s3c_gpio_setpull().
+ *
+ * As a note, there is currently no distinction between pull-up and pull-down
+ * in the s3c24xx series devices with only an on/off configuration.
+ */
+
+/* s3c2410_gpio_pullup
+ *
+ * configure the pull-up control on the given pin
+ *
+ * to = 1 => disable the pull-up
+ * 0 => enable the pull-up
+ *
+ * eg;
+ *
+ * s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
+ * s3c2410_gpio_pullup(S3C2410_GPE(8), 0);
+*/
+
+extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
+
+extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
+
+extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
+
+#endif /* __MACH_GPIO_FNS_H */
extern void s3c_pm_configure_extint(void);
/**
- * s3c_pm_restore_gpios() - restore the state of the gpios after sleep.
+ * samsung_pm_restore_gpios() - restore the state of the gpios after sleep.
*
* Restore the state of the GPIO pins after sleep, which may involve ensuring
* that we do not glitch the state of the pins from that the bootloader's
* resume code has done.
*/
-extern void s3c_pm_restore_gpios(void);
+extern void samsung_pm_restore_gpios(void);
/**
- * s3c_pm_save_gpios() - save the state of the GPIOs for restoring after sleep.
+ * samsung_pm_save_gpios() - save the state of the GPIOs for restoring after sleep.
*
- * Save the GPIO states for resotration on resume. See s3c_pm_restore_gpios().
+ * Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios().
*/
-extern void s3c_pm_save_gpios(void);
+extern void samsung_pm_save_gpios(void);
extern void s3c_pm_save_core(void);
extern void s3c_pm_restore_core(void);
#define OFFS_DAT (0x04)
#define OFFS_UP (0x08)
-static void s3c_gpio_pm_1bit_save(struct s3c_gpio_chip *chip)
+static void samsung_gpio_pm_1bit_save(struct samsung_gpio_chip *chip)
{
chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON);
chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT);
}
-static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip)
+static void samsung_gpio_pm_1bit_resume(struct samsung_gpio_chip *chip)
{
void __iomem *base = chip->base;
u32 old_gpcon = __raw_readl(base + OFFS_CON);
chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
}
-struct s3c_gpio_pm s3c_gpio_pm_1bit = {
- .save = s3c_gpio_pm_1bit_save,
- .resume = s3c_gpio_pm_1bit_resume,
+struct samsung_gpio_pm samsung_gpio_pm_1bit = {
+ .save = samsung_gpio_pm_1bit_save,
+ .resume = samsung_gpio_pm_1bit_resume,
};
-static void s3c_gpio_pm_2bit_save(struct s3c_gpio_chip *chip)
+static void samsung_gpio_pm_2bit_save(struct samsung_gpio_chip *chip)
{
chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON);
chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT);
}
/**
- * s3c_gpio_pm_2bit_resume() - restore the given GPIO bank
+ * samsung_gpio_pm_2bit_resume() - restore the given GPIO bank
* @chip: The chip information to resume.
*
* Restore one of the GPIO banks that was saved during suspend. This is
* [1] this assumes that writing to a pin DAT whilst in SFN will set the
* state for when it is next output.
*/
-static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip)
+static void samsung_gpio_pm_2bit_resume(struct samsung_gpio_chip *chip)
{
void __iomem *base = chip->base;
u32 old_gpcon = __raw_readl(base + OFFS_CON);
chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
}
-struct s3c_gpio_pm s3c_gpio_pm_2bit = {
- .save = s3c_gpio_pm_2bit_save,
- .resume = s3c_gpio_pm_2bit_resume,
+struct samsung_gpio_pm samsung_gpio_pm_2bit = {
+ .save = samsung_gpio_pm_2bit_save,
+ .resume = samsung_gpio_pm_2bit_resume,
};
#if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P)
-static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip)
+static void samsung_gpio_pm_4bit_save(struct samsung_gpio_chip *chip)
{
chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON);
chip->pm_save[2] = __raw_readl(chip->base + OFFS_DAT);
chip->pm_save[0] = __raw_readl(chip->base - 4);
}
-static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon)
+static u32 samsung_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon)
{
u32 old, new, mask;
u32 change_mask = 0x0;
return change_mask;
}
-static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index)
+static void samsung_gpio_pm_4bit_con(struct samsung_gpio_chip *chip, int index)
{
void __iomem *con = chip->base + (index * 4);
u32 old_gpcon = __raw_readl(con);
u32 gps_gpcon = chip->pm_save[index + 1];
u32 gpcon, mask;
- mask = s3c_gpio_pm_4bit_mask(old_gpcon, gps_gpcon);
+ mask = samsung_gpio_pm_4bit_mask(old_gpcon, gps_gpcon);
gpcon = old_gpcon & ~mask;
gpcon |= gps_gpcon & mask;
__raw_writel(gpcon, con);
}
-static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip)
+static void samsung_gpio_pm_4bit_resume(struct samsung_gpio_chip *chip)
{
void __iomem *base = chip->base;
u32 old_gpcon[2];
old_gpcon[0] = 0;
old_gpcon[1] = __raw_readl(base + OFFS_CON);
- s3c_gpio_pm_4bit_con(chip, 0);
+ samsung_gpio_pm_4bit_con(chip, 0);
if (chip->chip.ngpio > 8) {
old_gpcon[0] = __raw_readl(base - 4);
- s3c_gpio_pm_4bit_con(chip, -1);
+ samsung_gpio_pm_4bit_con(chip, -1);
}
/* Now change the configurations that require DAT,CON */
old_gpdat, gps_gpdat);
}
-struct s3c_gpio_pm s3c_gpio_pm_4bit = {
- .save = s3c_gpio_pm_4bit_save,
- .resume = s3c_gpio_pm_4bit_resume,
+struct samsung_gpio_pm samsung_gpio_pm_4bit = {
+ .save = samsung_gpio_pm_4bit_save,
+ .resume = samsung_gpio_pm_4bit_resume,
};
#endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */
/**
- * s3c_pm_save_gpio() - save gpio chip data for suspend
+ * samsung_pm_save_gpio() - save gpio chip data for suspend
* @ourchip: The chip for suspend.
*/
-static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip)
+static void samsung_pm_save_gpio(struct samsung_gpio_chip *ourchip)
{
- struct s3c_gpio_pm *pm = ourchip->pm;
+ struct samsung_gpio_pm *pm = ourchip->pm;
if (pm == NULL || pm->save == NULL)
S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label);
}
/**
- * s3c_pm_save_gpios() - Save the state of the GPIO banks.
+ * samsung_pm_save_gpios() - Save the state of the GPIO banks.
*
* For all the GPIO banks, save the state of each one ready for going
* into a suspend mode.
*/
-void s3c_pm_save_gpios(void)
+void samsung_pm_save_gpios(void)
{
- struct s3c_gpio_chip *ourchip;
+ struct samsung_gpio_chip *ourchip;
unsigned int gpio_nr;
for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) {
- ourchip = s3c_gpiolib_getchip(gpio_nr);
+ ourchip = samsung_gpiolib_getchip(gpio_nr);
if (!ourchip) {
gpio_nr++;
continue;
}
- s3c_pm_save_gpio(ourchip);
+ samsung_pm_save_gpio(ourchip);
S3C_PMDBG("%s: save %08x,%08x,%08x,%08x\n",
ourchip->chip.label,
}
/**
- * s3c_pm_resume_gpio() - restore gpio chip data after suspend
+ * samsung_pm_resume_gpio() - restore gpio chip data after suspend
* @ourchip: The suspended chip.
*/
-static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip)
+static void samsung_pm_resume_gpio(struct samsung_gpio_chip *ourchip)
{
- struct s3c_gpio_pm *pm = ourchip->pm;
+ struct samsung_gpio_pm *pm = ourchip->pm;
if (pm == NULL || pm->resume == NULL)
S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label);
pm->resume(ourchip);
}
-void s3c_pm_restore_gpios(void)
+void samsung_pm_restore_gpios(void)
{
- struct s3c_gpio_chip *ourchip;
+ struct samsung_gpio_chip *ourchip;
unsigned int gpio_nr;
for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) {
- ourchip = s3c_gpiolib_getchip(gpio_nr);
+ ourchip = samsung_gpiolib_getchip(gpio_nr);
if (!ourchip) {
gpio_nr++;
continue;
}
- s3c_pm_resume_gpio(ourchip);
+ samsung_pm_resume_gpio(ourchip);
gpio_nr += ourchip->chip.ngpio;
gpio_nr += CONFIG_S3C_GPIO_SPACE;
/* save all necessary core registers not covered by the drivers */
- s3c_pm_save_gpios();
- s3c_pm_saved_gpios();
+ samsung_pm_save_gpios();
+ samsung_pm_saved_gpios();
s3c_pm_save_uarts();
s3c_pm_save_core();
s3c_pm_restore_core();
s3c_pm_restore_uarts();
- s3c_pm_restore_gpios();
+ samsung_pm_restore_gpios();
s3c_pm_restored_gpios();
s3c_pm_debug_init();
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff