summaryrefslogtreecommitdiff
path: root/arch/m68k/include/asm/gpio.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/include/asm/gpio.h')
-rw-r--r--arch/m68k/include/asm/gpio.h110
1 files changed, 0 insertions, 110 deletions
diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h
deleted file mode 100644
index 2f6eec1e34b4..000000000000
--- a/arch/m68k/include/asm/gpio.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Coldfire generic GPIO support
- *
- * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
- *
- * 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; version 2 of the License.
- *
- * 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.
-*/
-
-#ifndef coldfire_gpio_h
-#define coldfire_gpio_h
-
-#include <linux/io.h>
-#include <asm/coldfire.h>
-#include <asm/mcfsim.h>
-#include <asm/mcfgpio.h>
-/*
- * The Generic GPIO functions
- *
- * If the gpio is a compile time constant and is one of the Coldfire gpios,
- * use the inline version, otherwise dispatch thru gpiolib.
- */
-
-static inline int gpio_get_value(unsigned gpio)
-{
- if (__builtin_constant_p(gpio) && gpio < MCFGPIO_PIN_MAX)
- return mcfgpio_read(__mcfgpio_ppdr(gpio)) & mcfgpio_bit(gpio);
- else
- return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
- if (__builtin_constant_p(gpio) && gpio < MCFGPIO_PIN_MAX) {
- if (gpio < MCFGPIO_SCR_START) {
- unsigned long flags;
- MCFGPIO_PORTTYPE data;
-
- local_irq_save(flags);
- data = mcfgpio_read(__mcfgpio_podr(gpio));
- if (value)
- data |= mcfgpio_bit(gpio);
- else
- data &= ~mcfgpio_bit(gpio);
- mcfgpio_write(data, __mcfgpio_podr(gpio));
- local_irq_restore(flags);
- } else {
- if (value)
- mcfgpio_write(mcfgpio_bit(gpio),
- MCFGPIO_SETR_PORT(gpio));
- else
- mcfgpio_write(~mcfgpio_bit(gpio),
- MCFGPIO_CLRR_PORT(gpio));
- }
- } else
- __gpio_set_value(gpio, value);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
-#if defined(MCFGPIO_IRQ_MIN)
- if ((gpio >= MCFGPIO_IRQ_MIN) && (gpio < MCFGPIO_IRQ_MAX))
-#else
- if (gpio < MCFGPIO_IRQ_MAX)
-#endif
- return gpio + MCFGPIO_IRQ_VECBASE;
- else
- return __gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned irq)
-{
- return (irq >= MCFGPIO_IRQ_VECBASE &&
- irq < (MCFGPIO_IRQ_VECBASE + MCFGPIO_IRQ_MAX)) ?
- irq - MCFGPIO_IRQ_VECBASE : -ENXIO;
-}
-
-static inline int gpio_cansleep(unsigned gpio)
-{
- return gpio < MCFGPIO_PIN_MAX ? 0 : __gpio_cansleep(gpio);
-}
-
-#ifndef CONFIG_GPIOLIB
-static inline int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
-{
- int err;
-
- err = gpio_request(gpio, label);
- if (err)
- return err;
-
- if (flags & GPIOF_DIR_IN)
- err = gpio_direction_input(gpio);
- else
- err = gpio_direction_output(gpio,
- (flags & GPIOF_INIT_HIGH) ? 1 : 0);
-
- if (err)
- gpio_free(gpio);
-
- return err;
-}
-#endif /* !CONFIG_GPIOLIB */
-#endif