diff options
Diffstat (limited to 'include/asm-arm/arch-ixp2000/gpio.h')
-rw-r--r-- | include/asm-arm/arch-ixp2000/gpio.h | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/include/asm-arm/arch-ixp2000/gpio.h b/include/asm-arm/arch-ixp2000/gpio.h index 84634af5cc64..03cbbe1fd9d8 100644 --- a/include/asm-arm/arch-ixp2000/gpio.h +++ b/include/asm-arm/arch-ixp2000/gpio.h | |||
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | * include/asm-arm/arch-ixp2000/ixp2000-gpio.h | 2 | * include/asm-arm/arch-ixp2000/gpio.h |
3 | * | 3 | * |
4 | * Copyright (C) 2002 Intel Corporation. | 4 | * Copyright (C) 2002 Intel Corporation. |
5 | * | 5 | * |
@@ -16,26 +16,18 @@ | |||
16 | * Use this instead of directly setting the GPIO registers. | 16 | * Use this instead of directly setting the GPIO registers. |
17 | * GPIOs may also be used as GPIOs (e.g. for emulating i2c/smb) | 17 | * GPIOs may also be used as GPIOs (e.g. for emulating i2c/smb) |
18 | */ | 18 | */ |
19 | #ifndef _ASM_ARCH_IXP2000_GPIO_H_ | 19 | #ifndef __ASM_ARCH_GPIO_H |
20 | #define _ASM_ARCH_IXP2000_GPIO_H_ | 20 | #define __ASM_ARCH_GPIO_H |
21 | 21 | ||
22 | #ifndef __ASSEMBLY__ | 22 | #ifndef __ASSEMBLY__ |
23 | #define GPIO_OUT 0x0 | 23 | |
24 | #define GPIO_IN 0x80 | 24 | #define GPIO_IN 0 |
25 | #define GPIO_OUT 1 | ||
25 | 26 | ||
26 | #define IXP2000_GPIO_LOW 0 | 27 | #define IXP2000_GPIO_LOW 0 |
27 | #define IXP2000_GPIO_HIGH 1 | 28 | #define IXP2000_GPIO_HIGH 1 |
28 | 29 | ||
29 | #define GPIO_NO_EDGES 0 | 30 | extern void gpio_line_config(int line, int direction); |
30 | #define GPIO_FALLING_EDGE 1 | ||
31 | #define GPIO_RISING_EDGE 2 | ||
32 | #define GPIO_BOTH_EDGES 3 | ||
33 | #define GPIO_LEVEL_LOW 4 | ||
34 | #define GPIO_LEVEL_HIGH 8 | ||
35 | |||
36 | extern void set_GPIO_IRQ_edge(int gpio_nr, int edge); | ||
37 | extern void set_GPIO_IRQ_level(int gpio_nr, int level); | ||
38 | extern void gpio_line_config(int line, int style); | ||
39 | 31 | ||
40 | static inline int gpio_line_get(int line) | 32 | static inline int gpio_line_get(int line) |
41 | { | 33 | { |
@@ -45,11 +37,12 @@ static inline int gpio_line_get(int line) | |||
45 | static inline void gpio_line_set(int line, int value) | 37 | static inline void gpio_line_set(int line, int value) |
46 | { | 38 | { |
47 | if (value == IXP2000_GPIO_HIGH) { | 39 | if (value == IXP2000_GPIO_HIGH) { |
48 | ixp_reg_write(IXP2000_GPIO_POSR, BIT(line)); | 40 | ixp2000_reg_write(IXP2000_GPIO_POSR, 1 << line); |
49 | } else if (value == IXP2000_GPIO_LOW) | 41 | } else if (value == IXP2000_GPIO_LOW) { |
50 | ixp_reg_write(IXP2000_GPIO_POCR, BIT(line)); | 42 | ixp2000_reg_write(IXP2000_GPIO_POCR, 1 << line); |
43 | } | ||
51 | } | 44 | } |
52 | 45 | ||
53 | #endif /* !__ASSEMBLY__ */ | 46 | #endif /* !__ASSEMBLY__ */ |
54 | #endif /* ASM_ARCH_IXP2000_GPIO_H_ */ | ||
55 | 47 | ||
48 | #endif /* ASM_ARCH_IXP2000_GPIO_H_ */ | ||