summaryrefslogtreecommitdiff
path: root/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
diff options
context:
space:
mode:
authorBen Dooks <ben-linux@fluff.org>2010-01-18 18:00:55 +0900
committerBen Dooks <ben-linux@fluff.org>2010-01-19 18:37:19 +0900
commit16e2c7c59f0a4debcb110648025bef11958aa3cd (patch)
tree581b83a805e31789081df980518aa1554b42440f /arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
parent4f2b617aff8147338faa0d5ed7b57636076671bf (diff)
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>
Diffstat (limited to 'arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h')
-rw-r--r--arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h176
1 files changed, 0 insertions, 176 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 652e2bbdaa20..000000000000
--- 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 */
-