ARM: SAMSUNG: Move GPIO headers to plat-samsung

Move the GPIO and GPIO configuration headers into arch/arm/plat-samsung
as they are common to all the Samsung SoCs.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

3 files changed, 0 insertions, 421 deletions

diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
deleted file mode 100644
index 652e2bbdaa2..00000000000
--- a/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
+++ /dev/null
@@ -1,176 +0,0 @@
-/* linux/arch/arm/plat-s3c/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
- *
- * 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.
-*/
-
-/* This is meant for core cpu support, machine or other driver files
- * should not be including this header.
- */
-
-#ifndef __PLAT_GPIO_CFG_HELPERS_H
-#define __PLAT_GPIO_CFG_HELPERS_H __FILE__
-
-/* As a note, all gpio configuration functions are entered exclusively, either
- * with the relevant lock held or the system prevented from doing anything else
- * by disabling interrupts.
-*/
-
-static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip,
-				     unsigned int off, unsigned int config)
-{
-	return (chip->config->set_config)(chip, off, config);
-}
-
-static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,
-				      unsigned int off, s3c_gpio_pull_t pull)
-{
-	return (chip->config->set_pull)(chip, off, pull);
-}
-
-/**
- * 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_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_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 (dependant 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 seperate set of functions for
- * each case.
-*/
-extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
-					unsigned int off, unsigned int cfg);
-
-
-/* Pull-{up,down} resistor controls.
- *
- * S3C2410,S3C2440,S3C24A0 = Pull-UP,
- * S3C2412,S3C2413 = Pull-Down
- * S3C6400,S3C6410 = Pull-Both [None,Down,Up,Undef]
- * S3C2443 = Pull-Both [not same as S3C6400]
- */
-
-/**
- * s3c_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);
-
-/**
- * s3c_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);
-
-/**
- * s3c_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.
- *
- * This is a helper function for the case where we have GPIOs with two
- * bits configuring the presence of a pull resistor, in the following
- * order:
- *	00 = No pull resistor connected
- *	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);
-
-
-/**
- * s3c_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.
-*/
-extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
-					       unsigned int off);
-
-/**
- * s3c_gpio_setpull_s3c2443() - 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.
- *
- * This is a helper function for the case where we have GPIOs with two
- * bits configuring the presence of a pull resistor, in the following
- * order:
- *	00 = Pull-up resistor connected
- *	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);
-
-/**
- * s3c_gpio_getpull_s3c2443() - 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.
-*/
-extern s3c_gpio_pull_t s3c_gpio_getpull_s3c24xx(struct s3c_gpio_chip *chip,
-						unsigned int off);
-
-#endif /* __PLAT_GPIO_CFG_HELPERS_H */
-
diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg.h b/arch/arm/plat-s3c/include/plat/gpio-cfg.h
deleted file mode 100644
index 29cd6a86cad..00000000000
--- a/arch/arm/plat-s3c/include/plat/gpio-cfg.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg.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
- *
- * 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.
-*/
-
-/* This file contains the necessary definitions to get the basic gpio
- * pin configuration done such as setting a pin to input or output or
- * changing the pull-{up,down} configurations.
- */
-
-/* Note, this interface is being added to the s3c64xx arch first and will
- * be added to the s3c24xx systems later.
- */
-
-#ifndef __PLAT_GPIO_CFG_H
-#define __PLAT_GPIO_CFG_H __FILE__
-
-typedef unsigned int __bitwise__ s3c_gpio_pull_t;
-
-/* forward declaration if gpio-core.h hasn't been included */
-struct s3c_gpio_chip;
-
-/**
- * struct s3c_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
- * @set_config: Set the current configuration for the GPIO
- * @get_config: Read the current configuration for the GPIO
- *
- * Each chip can have more than one type of GPIO bank available and some
- * have different capabilites even when they have the same control register
- * layouts. Provide an point to vector control routine and provide any
- * per-bank configuration information that other systems such as the
- * external interrupt code will need.
- */
-struct s3c_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);
-
-	unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs);
-	int	 (*set_config)(struct s3c_gpio_chip *chip, unsigned offs,
-			       unsigned config);
-};
-
-#define S3C_GPIO_SPECIAL_MARK	(0xfffffff0)
-#define S3C_GPIO_SPECIAL(x)	(S3C_GPIO_SPECIAL_MARK | (x))
-
-/* Defines for generic pin configurations */
-#define S3C_GPIO_INPUT	(S3C_GPIO_SPECIAL(0))
-#define S3C_GPIO_OUTPUT	(S3C_GPIO_SPECIAL(1))
-#define S3C_GPIO_SFN(x)	(S3C_GPIO_SPECIAL(x))
-
-#define s3c_gpio_is_cfg_special(_cfg) \
-	(((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK)
-
-/**
- * s3c_gpio_cfgpin() - Change the GPIO function of a pin.
- * @pin pin The pin number to configure.
- * @pin to The configuration for the pin's function.
- *
- * Configure which function is actually connected to the external
- * pin, such as an gpio input, output or some form of special function
- * connected to an internal peripheral block.
- */
-extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to);
-
-/* Define values for the pull-{up,down} available for each gpio pin.
- *
- * These values control the state of the weak pull-{up,down} resistors
- * available on most pins on the S3C series. Not all chips support both
- * up or down settings, and it may be dependant 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)
-
-/**
- * s3c_gpio_setpull() - set the state of a gpio pin pull resistor
- * @pin: The pin number to configure the pull resistor.
- * @pull: The configuration for the pull resistor.
- *
- * This function sets the state of the pull-{up,down} resistor for the
- * specified pin. It will return 0 if successfull, or a negative error
- * code if the pin cannot support the requested pull setting.
-*/
-extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull);
-
-/**
- * s3c_gpio_getpull() - get the pull resistor state of a gpio pin
- * @pin: The pin number to get the settings for
- *
- * Read the pull resistor value for the specified pin.
-*/
-extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
-
-#endif /* __PLAT_GPIO_CFG_H */
diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h
deleted file mode 100644
index 94fed584d5a..00000000000
--- a/arch/arm/plat-s3c/include/plat/gpio-core.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/* linux/arch/arm/plat-s3c/include/plat/gpio-core.h
- *
- * Copyright 2008 Simtec Electronics
- *	http://armlinux.simtec.co.uk/
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * S3C Platform - GPIO core
- *
- * 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.
-*/
-
-#define GPIOCON_OFF	(0x00)
-#define GPIODAT_OFF	(0x04)
-
-#define con_4bit_shift(__off) ((__off) * 4)
-
-/* Define the core gpiolib support functions that the s3c platforms may
- * need to extend or change depending on the hardware and the s3c chip
- * selected at build or found at run time.
- *
- * These definitions are not intended for driver inclusion, there is
- * nothing here that should not live outside the platform and core
- * specific code.
-*/
-
-struct s3c_gpio_chip;
-
-/**
- * struct s3c_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 s3c_gpio_cfg;
-
-/**
- * struct s3c_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.
- * @config: special function and pull-resistor control information.
- * @pm_save: Save information for suspend/resume support.
- *
- * This wrapper provides the necessary information for the Samsung
- * specific gpios being registered with gpiolib.
- */
-struct s3c_gpio_chip {
-	struct gpio_chip	chip;
-	struct s3c_gpio_cfg	*config;
-	struct s3c_gpio_pm	*pm;
-	void __iomem		*base;
-#ifdef CONFIG_PM
-	u32			pm_save[4];
-#endif
-};
-
-static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc)
-{
-	return container_of(gpc, struct s3c_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 (dependant 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 seperate 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_4bit(struct s3c_gpio_chip *chip);
-extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
-
-#ifdef CONFIG_S3C_GPIO_TRACK
-extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
-
-static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip)
-{
-	return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL;
-}
-#else
-/* machine specific code should provide s3c_gpiolib_getchip */
-
-static inline void s3c_gpiolib_track(struct s3c_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;
-#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 __gpio_pm(x) NULL
-
-#endif /* CONFIG_PM */