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authorDavid Brownell <dbrownell@users.sourceforge.net>2008-03-03 12:43:23 -0800
committerTony Lindgren <tony@atomide.com>2008-04-14 09:57:05 -0700
commit52e3134423c3af4431fedb34f77e31cfff91e0c3 (patch)
tree0f1b92e46a3c3370d40789dc598f29bc00679f6c /include/asm-arm/arch-omap
parent120dd64cacd4fb796bca0acba3665553f1d9ecaa (diff)
ARM: OMAP: Use gpiolib
Update OMAP to use the new GPIO implementation framework. This is just a quick'n'dirty update ... more code could now be removed, ideally as part of cleaning up the entire OMAP GPIO infrastructure ... Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'include/asm-arm/arch-omap')
-rw-r--r--include/asm-arm/arch-omap/gpio.h57
1 files changed, 15 insertions, 42 deletions
diff --git a/include/asm-arm/arch-omap/gpio.h b/include/asm-arm/arch-omap/gpio.h
index 164da09be095..86621a04cd8f 100644
--- a/include/asm-arm/arch-omap/gpio.h
+++ b/include/asm-arm/arch-omap/gpio.h
@@ -82,62 +82,35 @@ extern void omap_set_gpio_debounce_time(int gpio, int enable);
/*-------------------------------------------------------------------------*/
-/* wrappers for "new style" GPIO calls. the old OMAP-specfic ones should
- * eventually be removed (along with this errno.h inclusion), and maybe
- * gpios should put MPUIOs last too.
+/* Wrappers for "new style" GPIO calls, using the new infrastructure
+ * which lets us plug in FPGA, I2C, and other implementations.
+ * *
+ * The original OMAP-specfic calls should eventually be removed.
*/
-#include <asm/errno.h>
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
- return omap_request_gpio(gpio);
-}
-
-static inline void gpio_free(unsigned gpio)
-{
- omap_free_gpio(gpio);
-}
-
-static inline int __gpio_set_direction(unsigned gpio, int is_input)
-{
- if (cpu_class_is_omap2()) {
- if (gpio > OMAP_MAX_GPIO_LINES)
- return -EINVAL;
- } else {
- if (gpio > (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */))
- return -EINVAL;
- }
- omap_set_gpio_direction(gpio, is_input);
- return 0;
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
- return __gpio_set_direction(gpio, 1);
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
- omap_set_gpio_dataout(gpio, value);
- return __gpio_set_direction(gpio, 0);
-}
+#include <linux/errno.h>
+#include <asm-generic/gpio.h>
static inline int gpio_get_value(unsigned gpio)
{
- return omap_get_gpio_datain(gpio);
+ return __gpio_get_value(gpio);
}
static inline void gpio_set_value(unsigned gpio, int value)
{
- omap_set_gpio_dataout(gpio, value);
+ __gpio_set_value(gpio, value);
}
-#include <asm-generic/gpio.h> /* cansleep wrappers */
+static inline int gpio_cansleep(unsigned gpio)
+{
+ return __gpio_cansleep(gpio);
+}
static inline int gpio_to_irq(unsigned gpio)
{
- return OMAP_GPIO_IRQ(gpio);
+ if (gpio < (OMAP_MAX_GPIO_LINES + 16))
+ return OMAP_GPIO_IRQ(gpio);
+ return -EINVAL;
}
static inline int irq_to_gpio(unsigned irq)