/* linux/include/asm-arm/arch-s3c2410/hardware.h
*
- * (c) 2003 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
+ * Copyright (c) 2003 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
*
* S3C2410 - hardware
*
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
+#ifndef __ASM_HARDWARE_H
+#error "Do not include this directly, instead #include <asm/hardware.h>"
+#endif
+
#ifndef __ASSEMBLY__
/* external functions for GPIO support
extern int s3c2410_gpio_getirq(unsigned int pin);
+/* s3c2410_gpio_irq2pin
+ *
+ * turn the given irq number into the corresponding GPIO number
+ *
+ * returns:
+ * < 0 = no pin
+ * >=0 = gpio pin number
+*/
+
+extern int s3c2410_gpio_irq2pin(unsigned int irq);
+
#ifdef CONFIG_CPU_S3C2400
extern int s3c2400_gpio_getirq(unsigned int pin);
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 /* CONFIG_CPU_S3C2440 */
+#ifdef CONFIG_CPU_S3C2412
+
+extern int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state);
+
+#endif /* CONFIG_CPU_S3C2412 */
#endif /* __ASSEMBLY__ */