mfd: Add MAX8997/8966 IRQ control

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / mfd / max8997-private.h

diff --git a/include/linux/mfd/max8997-private.h b/include/linux/mfd/max8997-private.h
index 93a9477..69d1010 100644 (file)
--- a/include/linux/mfd/max8997-private.h
+++ b/include/linux/mfd/max8997-private.h
@@ -24,6 +24,8 @@
 
 #include <linux/i2c.h>
 
+#define MAX8997_REG_INVALID    (0xff)
+
 enum max8997_pmic_reg {
        MAX8997_REG_PMIC_ID0    = 0x00,
        MAX8997_REG_PMIC_ID1    = 0x01,
@@ -313,6 +315,7 @@ enum max8997_irq {
 #define MAX8997_REG_BUCK2DVS(x)        (MAX8997_REG_BUCK2DVS1 + (x) - 1)
 #define MAX8997_REG_BUCK5DVS(x)        (MAX8997_REG_BUCK5DVS1 + (x) - 1)
 
+#define MAX8997_NUM_GPIO       12
 struct max8997_dev {
        struct device *dev;
        struct i2c_client *i2c; /* 0xcc / PMIC, Battery Control, and FLASH */
@@ -324,11 +327,19 @@ struct max8997_dev {
        int type;
        struct platform_device *battery; /* battery control (not fuel gauge) */
 
+       int irq;
+       int ono;
+       int irq_base;
        bool wakeup;
+       struct mutex irqlock;
+       int irq_masks_cur[MAX8997_IRQ_GROUP_NR];
+       int irq_masks_cache[MAX8997_IRQ_GROUP_NR];
 
        /* For hibernation */
        u8 reg_dump[MAX8997_REG_PMIC_END + MAX8997_MUIC_REG_END +
                MAX8997_HAPTIC_REG_END];
+
+       bool gpio_status[MAX8997_NUM_GPIO];
 };
 
 enum max8997_types {
@@ -336,6 +347,10 @@ enum max8997_types {
        TYPE_MAX8966,
 };
 
+extern int max8997_irq_init(struct max8997_dev *max8997);
+extern void max8997_irq_exit(struct max8997_dev *max8997);
+extern int max8997_irq_resume(struct max8997_dev *max8997);
+
 extern int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
 extern int max8997_bulk_read(struct i2c_client *i2c, u8 reg, int count,
                                u8 *buf);
@@ -344,4 +359,10 @@ extern int max8997_bulk_write(struct i2c_client *i2c, u8 reg, int count,
                                u8 *buf);
 extern int max8997_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
 
+#define MAX8997_GPIO_INT_BOTH  (0x3 << 4)
+#define MAX8997_GPIO_INT_RISE  (0x2 << 4)
+#define MAX8997_GPIO_INT_FALL  (0x1 << 4)
+
+#define MAX8997_GPIO_INT_MASK  (0x3 << 4)
+#define MAX8997_GPIO_DATA_MASK (0x1 << 2)
 #endif /*  __LINUX_MFD_MAX8997_PRIV_H */