mfd: asic3 gpiolib support

[linux-2.6-omap-h63xx.git] / include / linux / mfd / asic3.h

diff --git a/include/linux/mfd/asic3.h b/include/linux/mfd/asic3.h
index 4ab2162db13b7cfcd2da359d868ec542091027f8..06ef8165f406f60f8a1244914c6fd28087ff1abf 100644 (file)
--- a/include/linux/mfd/asic3.h
+++ b/include/linux/mfd/asic3.h
@@ -16,16 +16,6 @@
 
 #include <linux/types.h>
 
-struct asic3 {
-       void __iomem *mapping;
-       unsigned int bus_shift;
-       unsigned int irq_nr;
-       unsigned int irq_base;
-       spinlock_t lock;
-       u16 irq_bothedge[4];
-       struct device *dev;
-};
-
 struct asic3_platform_data {
        struct {
                u32 dir;
@@ -41,18 +31,19 @@ struct asic3_platform_data {
 
        unsigned int irq_base;
 
+       unsigned int gpio_base;
+
        struct platform_device **children;
        unsigned int n_children;
 };
 
-int asic3_gpio_get_value(struct asic3 *asic, unsigned gpio);
-void asic3_gpio_set_value(struct asic3 *asic, unsigned gpio, int val);
-
 #define ASIC3_NUM_GPIO_BANKS   4
 #define ASIC3_GPIOS_PER_BANK   16
 #define ASIC3_NUM_GPIOS                64
 #define ASIC3_NR_IRQS          ASIC3_NUM_GPIOS + 6
 
+#define ASIC3_TO_GPIO(gpio) (NR_BUILTIN_GPIO + (gpio))
+
 #define ASIC3_GPIO_BANK_A      0
 #define ASIC3_GPIO_BANK_B      1
 #define ASIC3_GPIO_BANK_C      2
@@ -73,6 +64,13 @@ void asic3_gpio_set_value(struct asic3 *asic, unsigned gpio, int val);
 #define ASIC3_GPIO_C_Base      0x0200
 #define ASIC3_GPIO_D_Base      0x0300
 
+#define ASIC3_GPIO_TO_BANK(gpio) ((gpio) >> 4)
+#define ASIC3_GPIO_TO_BIT(gpio)  ((gpio) - \
+                                 (ASIC3_GPIOS_PER_BANK * ((gpio) >> 4)))
+#define ASIC3_GPIO_TO_MASK(gpio) (1 << ASIC3_GPIO_TO_BIT(gpio))
+#define ASIC3_GPIO_TO_BASE(gpio) (ASIC3_GPIO_A_Base + (((gpio) >> 4) * 0x0100))
+#define ASIC3_BANK_TO_BASE(bank) (ASIC3_GPIO_A_Base + ((bank) * 0x100))
+
 #define ASIC3_GPIO_Mask          0x00    /* R/W 0:don't mask */
 #define ASIC3_GPIO_Direction     0x04    /* R/W 0:input */
 #define ASIC3_GPIO_Out           0x08    /* R/W 0:output low */