projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 34cc662f AJ |
1 | /* |
| 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 | |
| 4 | * for more details. | |
| 5 | * | |
| 6 | * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef __BCM47XX_GPIO_H | |
| 10 | #define __BCM47XX_GPIO_H | |
| 11 | ||
| b06f3e19 AJ |
12 | #include <linux/ssb/ssb_embedded.h> |
| 13 | #include <asm/mach-bcm47xx/bcm47xx.h> | |
| 14 | ||
| 34cc662f AJ |
15 | #define BCM47XX_EXTIF_GPIO_LINES 5 |
| 16 | #define BCM47XX_CHIPCO_GPIO_LINES 16 | |
| 17 | ||
| b06f3e19 AJ |
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); | |
| 34cc662f | 21 | |
| b06f3e19 | 22 | static inline int gpio_get_value(unsigned gpio) |
| 34cc662f | 23 | { |
| b06f3e19 | 24 | return ssb_gpio_in(&ssb_bcm47xx, 1 << gpio); |
| 34cc662f AJ |
25 | } |
| 26 | ||
| b06f3e19 | 27 | static inline void gpio_set_value(unsigned gpio, int value) |
| 34cc662f | 28 | { |
| b06f3e19 | 29 | ssb_gpio_out(&ssb_bcm47xx, 1 << gpio, value ? 1 << gpio : 0); |
| 34cc662f AJ |
30 | } |
| 31 | ||
| b06f3e19 | 32 | static inline int gpio_direction_input(unsigned gpio) |
| 34cc662f | 33 | { |
| e0f7ad5f MB |
34 | ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 0); |
| 35 | return 0; | |
| 34cc662f AJ |
36 | } |
| 37 | ||
| b06f3e19 | 38 | static inline int gpio_direction_output(unsigned gpio, int value) |
| 34cc662f | 39 | { |
| e0f7ad5f MB |
40 | ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 1 << gpio); |
| 41 | return 0; | |
| 34cc662f AJ |
42 | } |
| 43 | ||
| e0f7ad5f | 44 | static inline int gpio_intmask(unsigned gpio, int value) |
| 34cc662f | 45 | { |
| e0f7ad5f MB |
46 | ssb_gpio_intmask(&ssb_bcm47xx, 1 << gpio, |
| 47 | value ? 1 << gpio : 0); | |
| 48 | return 0; | |
| 34cc662f AJ |
49 | } |
| 50 | ||
| e0f7ad5f | 51 | static inline int gpio_polarity(unsigned gpio, int value) |
| 34cc662f | 52 | { |
| e0f7ad5f MB |
53 | ssb_gpio_polarity(&ssb_bcm47xx, 1 << gpio, |
| 54 | value ? 1 << gpio : 0); | |
| 55 | return 0; | |
| 34cc662f AJ |
56 | } |
| 57 | ||
| 58 | ||
| 59 | /* cansleep wrappers */ | |
| 60 | #include <asm-generic/gpio.h> | |
| 61 | ||
| 62 | #endif /* __BCM47XX_GPIO_H */ |