diff options
Diffstat (limited to 'include/asm-arm/arch-ep93xx')
| -rw-r--r-- | include/asm-arm/arch-ep93xx/gpio.h | 27 | ||||
| -rw-r--r-- | include/asm-arm/arch-ep93xx/irqs.h | 6 |
2 files changed, 12 insertions, 21 deletions
diff --git a/include/asm-arm/arch-ep93xx/gpio.h b/include/asm-arm/arch-ep93xx/gpio.h index fc1e57db5fa..cebb64be7e4 100644 --- a/include/asm-arm/arch-ep93xx/gpio.h +++ b/include/asm-arm/arch-ep93xx/gpio.h @@ -28,7 +28,7 @@ #define EP93XX_GPIO_LINE_EGPIO15 EP93XX_GPIO_LINE_B(7) /* GPIO port C. */ -#define EP93XX_GPIO_LINE_C(x) ((x) + 16) +#define EP93XX_GPIO_LINE_C(x) ((x) + 40) #define EP93XX_GPIO_LINE_ROW0 EP93XX_GPIO_LINE_C(0) #define EP93XX_GPIO_LINE_ROW1 EP93XX_GPIO_LINE_C(1) #define EP93XX_GPIO_LINE_ROW2 EP93XX_GPIO_LINE_C(2) @@ -61,7 +61,7 @@ #define EP93XX_GPIO_LINE_IDEDA2 EP93XX_GPIO_LINE_E(7) /* GPIO port F. */ -#define EP93XX_GPIO_LINE_F(x) ((x) + 40) +#define EP93XX_GPIO_LINE_F(x) ((x) + 16) #define EP93XX_GPIO_LINE_WP EP93XX_GPIO_LINE_F(0) #define EP93XX_GPIO_LINE_MCCD1 EP93XX_GPIO_LINE_F(1) #define EP93XX_GPIO_LINE_MCCD2 EP93XX_GPIO_LINE_F(2) @@ -93,11 +93,17 @@ #define EP93XX_GPIO_LINE_DD6 EP93XX_GPIO_LINE_H(6) #define EP93XX_GPIO_LINE_DD7 EP93XX_GPIO_LINE_H(7) +/* maximum value for gpio line identifiers */ +#define EP93XX_GPIO_LINE_MAX EP93XX_GPIO_LINE_H(7) + +/* maximum value for irq capable line identifiers */ +#define EP93XX_GPIO_LINE_MAX_IRQ EP93XX_GPIO_LINE_F(7) + /* new generic GPIO API - see Documentation/gpio.txt */ static inline int gpio_request(unsigned gpio, const char *label) { - if (gpio > EP93XX_GPIO_LINE_H(7)) + if (gpio > EP93XX_GPIO_LINE_MAX) return -EINVAL; return 0; } @@ -116,29 +122,20 @@ void gpio_set_value(unsigned gpio, int value); /* * Map GPIO A0..A7 (0..7) to irq 64..71, * B0..B7 (7..15) to irq 72..79, and - * F0..F7 (40..47) to irq 80..87. + * F0..F7 (16..24) to irq 80..87. */ static inline int gpio_to_irq(unsigned gpio) { - if (gpio <= EP93XX_GPIO_LINE_EGPIO15) + if (gpio <= EP93XX_GPIO_LINE_MAX_IRQ) return 64 + gpio; - if (gpio >= EP93XX_GPIO_LINE_F(0) && gpio <= EP93XX_GPIO_LINE_F(7)) - return 80 + (gpio - EP93XX_GPIO_LINE_F(0)); - return -EINVAL; } static inline int irq_to_gpio(unsigned irq) { - if (irq >= 64 && irq <= 79) - return irq - 64; - - if (irq >= 80 && irq <= 87) - return (irq - 80) + EP93XX_GPIO_LINE_F(0); - - return -EINVAL; + return irq - gpio_to_irq(0); } /* obsolete specific GPIO API */ diff --git a/include/asm-arm/arch-ep93xx/irqs.h b/include/asm-arm/arch-ep93xx/irqs.h index 2a8c63638c5..53d4a68bfc8 100644 --- a/include/asm-arm/arch-ep93xx/irqs.h +++ b/include/asm-arm/arch-ep93xx/irqs.h @@ -67,12 +67,6 @@ #define IRQ_EP93XX_SAI 60 #define EP93XX_VIC2_VALID_IRQ_MASK 0x1fffffff -/* - * Map GPIO A0..A7 to irq 64..71, B0..B7 to 72..79, and - * F0..F7 to 80..87. - */ -#define IRQ_EP93XX_GPIO(x) (64 + (((x) + (((x) >> 2) & 8)) & 0x1f)) - #define NR_EP93XX_IRQS (64 + 24) #define EP93XX_BOARD_IRQ(x) (NR_EP93XX_IRQS + (x)) |