2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
9 #ifndef __BCM47XX_GPIO_H
10 #define __BCM47XX_GPIO_H
12 #include <linux/ssb/ssb_embedded.h>
13 #include <asm/mach-bcm47xx/bcm47xx.h>
15 #define BCM47XX_EXTIF_GPIO_LINES 5
16 #define BCM47XX_CHIPCO_GPIO_LINES 16
18 extern int gpio_request(unsigned gpio, const char *label);
19 extern void gpio_free(unsigned gpio);
20 extern int gpio_to_irq(unsigned gpio);
22 static inline int gpio_get_value(unsigned gpio)
24 return ssb_gpio_in(&ssb_bcm47xx, 1 << gpio);
27 static inline void gpio_set_value(unsigned gpio, int value)
29 ssb_gpio_out(&ssb_bcm47xx, 1 << gpio, value ? 1 << gpio : 0);
32 static inline int gpio_direction_input(unsigned gpio)
34 return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 0);
37 static inline int gpio_direction_output(unsigned gpio, int value)
39 return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 1 << gpio);
42 static int gpio_intmask(unsigned gpio, int value)
44 return ssb_gpio_intmask(&ssb_bcm47xx, 1 << gpio,
45 value ? 1 << gpio : 0);
48 static int gpio_polarity(unsigned gpio, int value)
50 return ssb_gpio_polarity(&ssb_bcm47xx, 1 << gpio,
51 value ? 1 << gpio : 0);
55 /* cansleep wrappers */
56 #include <asm-generic/gpio.h>
58 #endif /* __BCM47XX_GPIO_H */