1 files changed, 68 insertions, 0 deletions

diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h
new file mode 100644
index 000000000000..582a0c92da53
--- /dev/null
+++ b/arch/arm/mach-sa1100/include/mach/gpio.h
@@ -0,0 +1,68 @@
+/*
+ * arch/arm/mach-sa1100/include/mach/gpio.h
+ *
+ * SA1100 GPIO wrappers for arch-neutral GPIO calls
+ *
+ * Written by Philipp Zabel <philipp.zabel@gmail.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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASM_ARCH_SA1100_GPIO_H
+#define __ASM_ARCH_SA1100_GPIO_H
+
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm-generic/gpio.h>
+
+static inline int gpio_get_value(unsigned gpio)
+{
+        if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
+                return GPLR & GPIO_GPIO(gpio);
+        else
+                return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+        if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
+                if (value)
+                        GPSR = GPIO_GPIO(gpio);
+                else
+                        GPCR = GPIO_GPIO(gpio);
+        else
+                __gpio_set_value(gpio, value);
+}
+
+#define gpio_cansleep   __gpio_cansleep
+
+static inline unsigned gpio_to_irq(unsigned gpio)
+{
+        if (gpio < 11)
+                return IRQ_GPIO0 + gpio;
+        else
+                return IRQ_GPIO11 - 11 + gpio;
+}
+
+static inline unsigned irq_to_gpio(unsigned irq)
+{
+        if (irq < IRQ_GPIO11_27)
+                return irq - IRQ_GPIO0;
+        else
+                return irq - IRQ_GPIO11 + 11;
+}
+
+#endif