summaryrefslogtreecommitdiff
path: root/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-s3c2410/include/mach/gpio-fns.h')
-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio-fns.h47
1 files changed, 24 insertions, 23 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
index 035a493..f453c4f 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
@@ -10,14 +10,28 @@
* published by the Free Software Foundation.
*/
+#ifndef __MACH_GPIO_FNS_H
+#define __MACH_GPIO_FNS_H __FILE__
+
/* These functions are in the to-be-removed category and it is strongly
* encouraged not to use these in new code. They will be marked deprecated
* very soon.
*
* Most of the functionality can be either replaced by the gpiocfg calls
* for the s3c platform or by the generic GPIOlib API.
+ *
+ * As of 2.6.35-rc, these will be removed, with the few drivers using them
+ * either replaced or given a wrapper until the calls can be removed.
*/
+#include <plat/gpio-cfg.h>
+
+static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg)
+{
+ /* 1:1 mapping between cfgpin and setcfg calls at the moment */
+ s3c_gpio_cfgpin(pin, cfg);
+}
+
/* external functions for GPIO support
*
* These allow various different clients to access the same GPIO
@@ -25,17 +39,6 @@
* GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
*/
-/* s3c2410_gpio_cfgpin
- *
- * set the configuration of the given pin to the value passed.
- *
- * eg:
- * s3c2410_gpio_cfgpin(S3C2410_GPA(0), S3C2410_GPA0_ADDR0);
- * s3c2410_gpio_cfgpin(S3C2410_GPE(8), S3C2410_GPE8_SDDAT1);
-*/
-
-extern void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function);
-
extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
/* s3c2410_gpio_getirq
@@ -73,6 +76,14 @@ extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
/* s3c2410_gpio_pullup
*
+ * This call should be replaced with s3c_gpio_setpull().
+ *
+ * As a note, there is currently no distinction between pull-up and pull-down
+ * in the s3c24xx series devices with only an on/off configuration.
+ */
+
+/* s3c2410_gpio_pullup
+ *
* configure the pull-up control on the given pin
*
* to = 1 => disable the pull-up
@@ -86,18 +97,8 @@ extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
-/* s3c2410_gpio_getpull
- *
- * Read the state of the pull-up on a given pin
- *
- * return:
- * < 0 => error code
- * 0 => enabled
- * 1 => disabled
-*/
-
-extern int s3c2410_gpio_getpull(unsigned int pin);
-
extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
+
+#endif /* __MACH_GPIO_FNS_H */