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authorflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-01-31 21:00:50 +0000
committerflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-01-31 21:00:50 +0000
commitaa058f66664b53ab0314ed0591b65a1e66a988bf (patch)
treed1c96d3d47d05d91e1c8739777e8cc30b038c3b9 /target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c
parente2ed0595652a45beb67f7542c450373a57e20cff (diff)
[brcm63xx] move files to files-2.6.30, to ease newer kernel integration
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19471 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c')
-rw-r--r--target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c131
1 files changed, 0 insertions, 131 deletions
diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c
deleted file mode 100644
index 53e46641a..000000000
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
- * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-
-#include <bcm63xx_cpu.h>
-#include <bcm63xx_gpio.h>
-#include <bcm63xx_io.h>
-#include <bcm63xx_regs.h>
-
-static DEFINE_SPINLOCK(bcm63xx_gpio_lock);
-static u32 gpio_out_low, gpio_out_high;
-
-static void bcm63xx_gpio_set(struct gpio_chip *chip,
- unsigned gpio, int val)
-{
- u32 reg;
- u32 mask;
- u32 *v;
- unsigned long flags;
-
- if (gpio >= chip->ngpio)
- BUG();
-
- if (gpio < 32) {
- reg = GPIO_DATA_LO_REG;
- mask = 1 << gpio;
- v = &gpio_out_low;
- } else {
- reg = GPIO_DATA_HI_REG;
- mask = 1 << (gpio - 32);
- v = &gpio_out_high;
- }
-
- spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
- if (val)
- *v |= mask;
- else
- *v &= ~mask;
- bcm_gpio_writel(*v, reg);
- spin_unlock_irqrestore(&bcm63xx_gpio_lock, flags);
-}
-
-static int bcm63xx_gpio_get(struct gpio_chip *chip, unsigned gpio)
-{
- u32 reg;
- u32 mask;
-
- if (gpio >= chip->ngpio)
- BUG();
-
- if (gpio < 32) {
- reg = GPIO_DATA_LO_REG;
- mask = 1 << gpio;
- } else {
- reg = GPIO_DATA_HI_REG;
- mask = 1 << (gpio - 32);
- }
-
- return !!(bcm_gpio_readl(reg) & mask);
-}
-
-static int bcm63xx_gpio_set_direction(struct gpio_chip *chip,
- unsigned gpio, int dir)
-{
- u32 reg;
- u32 mask;
- u32 tmp;
- unsigned long flags;
-
- if (gpio >= chip->ngpio)
- BUG();
-
- if (gpio < 32) {
- reg = GPIO_CTL_LO_REG;
- mask = 1 << gpio;
- } else {
- reg = GPIO_CTL_HI_REG;
- mask = 1 << (gpio - 32);
- }
-
- spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
- tmp = bcm_gpio_readl(reg);
- if (dir == GPIO_DIR_IN)
- tmp &= ~mask;
- else
- tmp |= mask;
- bcm_gpio_writel(tmp, reg);
- spin_unlock_irqrestore(&bcm63xx_gpio_lock, flags);
-
- return 0;
-}
-
-static int bcm63xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
-{
- return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_IN);
-}
-
-static int bcm63xx_gpio_direction_output(struct gpio_chip *chip,
- unsigned gpio, int value)
-{
- bcm63xx_gpio_set(chip, gpio, value);
- return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_OUT);
-}
-
-
-static struct gpio_chip bcm63xx_gpio_chip = {
- .label = "bcm63xx-gpio",
- .direction_input = bcm63xx_gpio_direction_input,
- .direction_output = bcm63xx_gpio_direction_output,
- .get = bcm63xx_gpio_get,
- .set = bcm63xx_gpio_set,
- .base = 0,
-};
-
-int __init bcm63xx_gpio_init(void)
-{
- bcm63xx_gpio_chip.ngpio = bcm63xx_gpio_count();
- printk(KERN_INFO "registering %d GPIOs\n", bcm63xx_gpio_chip.ngpio);
- return gpiochip_add(&bcm63xx_gpio_chip);
-}