Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 88 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
new file mode 100644
index 00000000..960e9de4
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -0,0 +1,88 @@
+/*
+ * TI DaVinci GPIO Support
+ *
+ * Copyright (c) 2006 David Brownell
+ * Copyright (c) 2007, MontaVista Software, Inc. <source@mvista.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.
+ */
+
+#ifndef	__DAVINCI_GPIO_H
+#define	__DAVINCI_GPIO_H
+
+#include <asm-generic/gpio.h>
+
+#define __ARM_GPIOLIB_COMPLEX
+
+/* The inline versions use the static inlines in the driver header */
+#include "gpio-davinci.h"
+
+/*
+ * The get/set/clear functions will inline when called with constant
+ * parameters referencing built-in GPIOs, for low-overhead bitbanging.
+ *
+ * gpio_set_value() will inline only on traditional Davinci style controllers
+ * with distinct set/clear registers.
+ *
+ * Otherwise, calls with variable parameters or referencing external
+ * GPIOs (e.g. on GPIO expander chips) use outlined functions.
+ */
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+	if (__builtin_constant_p(value) && gpio < davinci_soc_info.gpio_num) {
+		struct davinci_gpio_controller *ctlr;
+		u32				mask;
+
+		ctlr = __gpio_to_controller(gpio);
+
+		if (ctlr->set_data != ctlr->clr_data) {
+			mask = __gpio_mask(gpio);
+			if (value)
+				__raw_writel(mask, ctlr->set_data);
+			else
+				__raw_writel(mask, ctlr->clr_data);
+			return;
+		}
+	}
+
+	__gpio_set_value(gpio, value);
+}
+
+/* Returns zero or nonzero; works for gpios configured as inputs OR
+ * as outputs, at least for built-in GPIOs.
+ *
+ * NOTE: for built-in GPIOs, changes in reported values are synchronized
+ * to the GPIO clock.  This is easily seen after calling gpio_set_value()
+ * and then immediately gpio_get_value(), where the gpio_get_value() will
+ * return the old value until the GPIO clock ticks and the new value gets
+ * latched.
+ */
+static inline int gpio_get_value(unsigned gpio)
+{
+	struct davinci_gpio_controller *ctlr;
+
+	if (!__builtin_constant_p(gpio) || gpio >= davinci_soc_info.gpio_num)
+		return __gpio_get_value(gpio);
+
+	ctlr = __gpio_to_controller(gpio);
+	return __gpio_mask(gpio) & __raw_readl(ctlr->in_data);
+}
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+	if (__builtin_constant_p(gpio) && gpio < davinci_soc_info.gpio_num)
+		return 0;
+	else
+		return __gpio_cansleep(gpio);
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+	/* don't support the reverse mapping */
+	return -ENOSYS;
+}
+
+#endif				/* __DAVINCI_GPIO_H */