First step to upgrade of brcm47xx to kernel version 2.6.25

[openwrt-10.03/.git] / target / linux / brcm47xx / files-2.6.25 / include / asm-mips / mach-bcm947xx / gpio.h

diff --git a/target/linux/brcm47xx/files-2.6.25/include/asm-mips/mach-bcm947xx/gpio.h b/target/linux/brcm47xx/files-2.6.25/include/asm-mips/mach-bcm947xx/gpio.h
new file mode 100644 (file)
index 0000000..e7807ce
--- /dev/null
+++ b/target/linux/brcm47xx/files-2.6.25/include/asm-mips/mach-bcm947xx/gpio.h
@@ -0,0 +1,67 @@
+#ifndef __BCM947XX_GPIO_H
+#define __BCM947XX_GPIO_H
+
+#include <linux/ssb/ssb_embedded.h>
+
+extern struct ssb_bus ssb;
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+       return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+       ssb_gpio_outen(&ssb, 1 << gpio, 0);
+       return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+       ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
+       ssb_gpio_outen(&ssb, 1 << gpio, 1 << gpio);
+       return 0;
+}
+
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+       struct ssb_device *dev;
+
+       dev = ssb.chipco.dev;
+       if (!dev)
+               dev = ssb.extif.dev;
+       if (!dev)
+               return -EINVAL;
+
+       return ssb_mips_irq(dev) + 2;
+}
+
+static inline int irq_to_gpio(unsigned gpio)
+{
+       return -EINVAL;
+}
+
+
+static inline int gpio_get_value(unsigned gpio)
+{
+       return !!ssb_gpio_in(&ssb, 1 << gpio);
+}
+
+static inline int gpio_set_value(unsigned gpio, int value)
+{
+       ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
+       return 0;
+}
+
+
+/* cansleep wrappers */
+#include <asm-generic/gpio.h>
+
+
+#endif /* __BCM947XX_GPIO_H */
+