bump ifxmips to .30

[openwrt/svn-archive/archive.git] / target / linux / ifxmips / files / arch / mips / include / asm / mach-ifxmips / gpio.h

diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/gpio.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/gpio.h
new file mode 100644 (file)
index 0000000..fa70ebc
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/gpio.h
@@ -0,0 +1,105 @@
+/*
+ *   include/asm-mips/mach-ifxmips/gpio.h
+ *
+ *   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.
+ *
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ *
+ */
+
+#ifndef _IFXMIPS_GPIO_H_
+#define _IFXMIPS_GPIO_H_
+
+#include <asm/ifxmips/ifxmips.h>
+#include <asm/ifxmips/ifxmips_gpio.h>
+
+#define GPIO_TO_PORT(x) ((x > 15) ? (1) : (0))
+#define GPIO_TO_GPIO(x) ((x > 15) ? (x-16) : (x))
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+       ifxmips_port_set_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       ifxmips_port_set_dir_in(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+       ifxmips_port_clear_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       ifxmips_port_set_dir_out(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       return 0;
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+       ifxmips_port_get_input(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       return 0;
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+       if (value)
+               ifxmips_port_set_output(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+       else
+               ifxmips_port_clear_output(GPIO_TO_PORT(gpio),
+                       GPIO_TO_GPIO(gpio));
+}
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+       return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+       return 0;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+       return 0;
+}
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+       return 0;
+}
+
+static inline int gpio_get_value_cansleep(unsigned gpio)
+{
+       might_sleep();
+       return gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value_cansleep(unsigned gpio, int value)
+{
+       might_sleep();
+       gpio_set_value(gpio, value);
+}
+
+static inline int gpio_is_valid(int number)
+{
+       return ((unsigned)number) < 16;
+}
+
+#endif