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-rw-r--r--include/linux/mfd/max8998-private.h129
1 files changed, 96 insertions, 33 deletions
diff --git a/include/linux/mfd/max8998-private.h b/include/linux/mfd/max8998-private.h
index 6dc75b3e2d33..7363dea6bbcd 100644
--- a/include/linux/mfd/max8998-private.h
+++ b/include/linux/mfd/max8998-private.h
@@ -1,5 +1,5 @@
/*
- * max8698.h - Voltage regulator driver for the Maxim 8998
+ * max8998.h - Voltage regulator driver for the Maxim 8998
*
* Copyright (C) 2009-2010 Samsung Electrnoics
* Kyungmin Park <kyungmin.park@samsung.com>
@@ -23,6 +23,8 @@
#ifndef __LINUX_MFD_MAX8998_PRIV_H
#define __LINUX_MFD_MAX8998_PRIV_H
+#define MAX8998_NUM_IRQ_REGS 4
+
/* MAX 8998 registers */
enum {
MAX8998_REG_IRQ1,
@@ -46,12 +48,12 @@ enum {
MAX8998_REG_ONOFF2,
MAX8998_REG_ONOFF3,
MAX8998_REG_ONOFF4,
- MAX8998_REG_BUCK1_DVSARM1,
- MAX8998_REG_BUCK1_DVSARM2,
- MAX8998_REG_BUCK1_DVSARM3,
- MAX8998_REG_BUCK1_DVSARM4,
- MAX8998_REG_BUCK2_DVSINT1,
- MAX8998_REG_BUCK2_DVSINT2,
+ MAX8998_REG_BUCK1_VOLTAGE1,
+ MAX8998_REG_BUCK1_VOLTAGE2,
+ MAX8998_REG_BUCK1_VOLTAGE3,
+ MAX8998_REG_BUCK1_VOLTAGE4,
+ MAX8998_REG_BUCK2_VOLTAGE1,
+ MAX8998_REG_BUCK2_VOLTAGE2,
MAX8998_REG_BUCK3,
MAX8998_REG_BUCK4,
MAX8998_REG_LDO2_LDO3,
@@ -72,41 +74,102 @@ enum {
MAX8998_REG_LBCNFG2,
};
+/* IRQ definitions */
+enum {
+ MAX8998_IRQ_DCINF,
+ MAX8998_IRQ_DCINR,
+ MAX8998_IRQ_JIGF,
+ MAX8998_IRQ_JIGR,
+ MAX8998_IRQ_PWRONF,
+ MAX8998_IRQ_PWRONR,
+
+ MAX8998_IRQ_WTSREVNT,
+ MAX8998_IRQ_SMPLEVNT,
+ MAX8998_IRQ_ALARM1,
+ MAX8998_IRQ_ALARM0,
+
+ MAX8998_IRQ_ONKEY1S,
+ MAX8998_IRQ_TOPOFFR,
+ MAX8998_IRQ_DCINOVPR,
+ MAX8998_IRQ_CHGRSTF,
+ MAX8998_IRQ_DONER,
+ MAX8998_IRQ_CHGFAULT,
+
+ MAX8998_IRQ_LOBAT1,
+ MAX8998_IRQ_LOBAT2,
+
+ MAX8998_IRQ_NR,
+};
+
+/* MAX8998 various variants */
+enum {
+ TYPE_MAX8998 = 0, /* Default */
+ TYPE_LP3974, /* National version of MAX8998 */
+ TYPE_LP3979, /* Added AVS */
+};
+
+#define MAX8998_IRQ_DCINF_MASK (1 << 2)
+#define MAX8998_IRQ_DCINR_MASK (1 << 3)
+#define MAX8998_IRQ_JIGF_MASK (1 << 4)
+#define MAX8998_IRQ_JIGR_MASK (1 << 5)
+#define MAX8998_IRQ_PWRONF_MASK (1 << 6)
+#define MAX8998_IRQ_PWRONR_MASK (1 << 7)
+
+#define MAX8998_IRQ_WTSREVNT_MASK (1 << 0)
+#define MAX8998_IRQ_SMPLEVNT_MASK (1 << 1)
+#define MAX8998_IRQ_ALARM1_MASK (1 << 2)
+#define MAX8998_IRQ_ALARM0_MASK (1 << 3)
+
+#define MAX8998_IRQ_ONKEY1S_MASK (1 << 0)
+#define MAX8998_IRQ_TOPOFFR_MASK (1 << 2)
+#define MAX8998_IRQ_DCINOVPR_MASK (1 << 3)
+#define MAX8998_IRQ_CHGRSTF_MASK (1 << 4)
+#define MAX8998_IRQ_DONER_MASK (1 << 5)
+#define MAX8998_IRQ_CHGFAULT_MASK (1 << 7)
+
+#define MAX8998_IRQ_LOBAT1_MASK (1 << 0)
+#define MAX8998_IRQ_LOBAT2_MASK (1 << 1)
+
+#define MAX8998_ENRAMP (1 << 4)
+
/**
* struct max8998_dev - max8998 master device for sub-drivers
* @dev: master device of the chip (can be used to access platform data)
- * @i2c_client: i2c client private data
- * @dev_read(): chip register read function
- * @dev_write(): chip register write function
- * @dev_update(): chip register update function
+ * @i2c: i2c client private data for regulator
+ * @rtc: i2c client private data for rtc
* @iolock: mutex for serializing io access
+ * @irqlock: mutex for buslock
+ * @irq_base: base IRQ number for max8998, required for IRQs
+ * @irq: generic IRQ number for max8998
+ * @ono: power onoff IRQ number for max8998
+ * @irq_masks_cur: currently active value
+ * @irq_masks_cache: cached hardware value
+ * @type: indicate which max8998 "variant" is used
*/
-
struct max8998_dev {
struct device *dev;
- struct i2c_client *i2c_client;
- int (*dev_read)(struct max8998_dev *max8998, u8 reg, u8 *dest);
- int (*dev_write)(struct max8998_dev *max8998, u8 reg, u8 val);
- int (*dev_update)(struct max8998_dev *max8998, u8 reg, u8 val, u8 mask);
+ struct i2c_client *i2c;
+ struct i2c_client *rtc;
struct mutex iolock;
+ struct mutex irqlock;
+
+ int irq_base;
+ int irq;
+ int ono;
+ u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS];
+ u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS];
+ int type;
};
-static inline int max8998_read_reg(struct max8998_dev *max8998, u8 reg,
- u8 *value)
-{
- return max8998->dev_read(max8998, reg, value);
-}
-
-static inline int max8998_write_reg(struct max8998_dev *max8998, u8 reg,
- u8 value)
-{
- return max8998->dev_write(max8998, reg, value);
-}
-
-static inline int max8998_update_reg(struct max8998_dev *max8998, u8 reg,
- u8 value, u8 mask)
-{
- return max8998->dev_update(max8998, reg, value, mask);
-}
+int max8998_irq_init(struct max8998_dev *max8998);
+void max8998_irq_exit(struct max8998_dev *max8998);
+
+extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
+extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count,
+ u8 *buf);
+extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value);
+extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count,
+ u8 *buf);
+extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
#endif /* __LINUX_MFD_MAX8998_PRIV_H */