Initial file dump from open source releaseHEADmaster

1 files changed, 287 insertions, 0 deletions

diff --git a/include/linux/battery/charger/rt9455_charger.h b/include/linux/battery/charger/rt9455_charger.h
new file mode 100644
index 00000000..c862fa99
--- /dev/null
+++ b/include/linux/battery/charger/rt9455_charger.h
@@ -0,0 +1,287 @@
+/*
+ *  include/linux/battery/charger/rt9455_charger.h
+ *  Include header file for Richtek RT9455 Switch Mode Charger IC
+ *
+ *  Copyright (C) 2013 Richtek Electronics
+ *  cy_huang <cy_huang@richtek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_BATTERY_CHARGER_RT9455_H
+
+#define SEC_CHARGER_I2C_SLAVEADDR	(0x22)
+
+#define RT9455_DEVICE_NAME "RT9455"
+
+#define RT9455_RST_MASK		0x80
+#define RT9455_RST_SHIFT	7
+
+#define RT9455_OPAMODE_MASK	0x01
+#define RT9455_OPAMODE_SHIFT	0
+enum {
+	OPA_CHARGER_MODE,
+	OPA_BOOST_MODE,
+};
+
+enum {
+	IAICR_EXTERNAL,
+	IAICR_INTERNAL,
+};
+
+enum {
+	OCP_2P5A,
+	OCP_3P5A,
+};
+
+enum {
+	SEL_FREQ_3MHz,
+	SEL_FREQ_1P5MHz,
+};
+
+#define RT9455_AICR_LIMIT_MASK	0xC0
+#define RT9455_AICR_LIMIT_SHIFT	6
+enum {
+	IAICR_LIMIT_100MA,
+	IAICR_LIMIT_500MA,
+	IAICR_LIMIT_1A,
+	IAICR_LIMIT_NO,
+	IAICR_LIMIT_MAX,
+};
+
+#define RT9455_VOREG_MASK	0xFC
+#define RT9455_VOREG_SHIFT	2
+
+enum {
+	OTGPL_ACTIVE_LOW,
+	OTGPL_ACTIVE_HIGH,
+};
+
+#define RT9455_IEOC_MASK	0x3
+#define RT9455_IEOC_SHIFT	0
+enum {
+	IEOC_10P,
+	IEOC_30P,
+	IEOC_20P,
+	IEOC_RESV,
+};
+
+enum {
+	IPREC_20MA,
+	IPREC_40MA,
+	IPREC_60MA,
+};
+
+enum {
+	VDPM_4V,
+	VDPM_4P25V,
+	VDPM_4P5V,
+	VDPM_DISABLE,
+};
+
+enum {
+	VPREC_2V,
+	VPREC_2P2V,
+	VPREC_2P4V,
+	VPREC_2P6V,
+	VPREC_2P8V,
+	VPREC_3V,
+};
+
+
+#define RT9455_ICHRG_MASK	0x70
+#define RT9455_ICHRG_SHIFT	4
+enum {
+	ICHRG_20MV,
+	ICHRG_26MV,
+	ICHRG_32MV,
+	ICHRG_38MV,
+	ICHRG_44MV,
+	ICHRG_50MV,
+	ICHRG_56MV,
+	ICHRG_62MV,
+	ICHRG_MAX,
+};
+
+#define RT9455_CHGEN_MASK	0x10
+#define RT9455_CHGEN_SHIFT	4
+
+#define RT9455_TEEN_MASK	0x80
+#define RT9455_TEEN_SHIFT	3
+
+enum {
+	RT9455_REG_CTRL1,
+	RT9455_REG_CTRL2,
+	RT9455_REG_CTRL3,
+	RT9455_REG_DEVICE_ID,
+	RT9455_REG_CTRL4,
+	RT9455_REG_CTRL5,
+	RT9455_REG_CTRL6,
+	RT9455_REG_CTRL7,
+	RT9455_REG_IRQ1,
+	RT9455_REG_IRQ2,
+	RT9455_REG_IRQ3,
+	RT9455_REG_MASK1,
+	RT9455_REG_MASK2,
+	RT9455_REG_MASK3,
+	RT9455_REG_MAX,
+};
+
+// VBOOST EVENT BIT
+#define RT9455_EVENT_BSTVINOVI	0x80
+#define RT9455_EVENT_BSTOLI	0x40
+#define RT9455_EVENT_BSTLOWVI	0x20
+#define RT9455_EVENT_BST32SI	0x08
+
+// CHARGER EVENT BIT
+#define RT9455_EVENT_CHRVPI	0x80
+#define RT9455_EVENT_CHBATOVI	0x20
+#define RT9455_EVENT_CHTERMI	0x10
+#define RT9455_EVENT_CHRCHGI	0x08
+#define RT9455_EVNET_CH32MI	0x04
+#define RT9455_EVENT_CHTREGI	0x02
+#define RT9455_EVENT_CHDPMI	0x01
+
+// GENERAL EVENT BIT
+#define RT9455_EVENT_TSDI	0x80
+#define RT9455_EVENT_VINOVPI	0x40
+#define RT9455_EVENT_BATAB	0x01
+
+// RESET EVENT BIT
+#define RT9455_EVENT_BEFORE_RST	0x80
+#define RT9455_EVENT_AFTER_RST	0x40
+
+// If not set, no irq event will be masked
+struct rt9455_irq_mask {
+	union {
+		struct {
+			unsigned char BATABM:1;
+			unsigned char Resv:5;
+			unsigned char VINOVPIM:1;
+			unsigned char TSDM:1;
+		}bitfield;
+		unsigned char val;
+	}mask1;
+	union {
+		struct {
+			unsigned char CHDPMIM:1;
+			unsigned char CHTREGIM:1;
+			unsigned char CH32MIM:1;
+			unsigned char CHRCHGIM:1;
+			unsigned char CHTERMIM:1;
+			unsigned char CHBATOVIM:1;
+			unsigned char Resv:1;
+			unsigned char CHRVPIM:1;
+		}bitfield;
+		unsigned char val;
+	}mask2;
+	union {
+		struct {
+			unsigned char Resv1:3;
+			unsigned char BST32SIM:1;
+			unsigned char Resv2:1;
+			unsigned char BSTLOWVIM:1;
+			unsigned char BSTOLIM:1;
+			unsigned char BSTVIMOVIM:1;
+		}bitfield;
+		unsigned char val;
+	}mask3;
+};
+
+struct rt9455_init_ctrlval {
+	union {
+		struct {
+			unsigned char OPA_MODE:1;
+			unsigned char HZ_BIT:1;
+			unsigned char IAICR_INT:1;
+			unsigned char TE:1;
+			unsigned char HIGH_OCP:1;
+			unsigned char SEL_SWFREQ:1;
+			unsigned char IAICR:2;
+		}bitfield;
+		unsigned char val;
+	}ctrl2;
+	union {
+		struct {
+			unsigned char OTG_EN:1;
+			unsigned char OTG_PL:1;
+			unsigned char VOREG:6;
+		}bitfield;
+		unsigned char val;
+	}ctrl3;
+	union {
+		struct {
+			unsigned char IEOC:2;
+			unsigned char IPREC:2;
+			unsigned char VDPM:2;
+			unsigned char Resv:1;
+			unsigned char TMR_EN:1;
+		}bitfield;
+		unsigned char val;
+	}ctrl5;
+	union {
+		struct {
+			unsigned char VPREC:3;
+			unsigned char Resv1:1;
+			unsigned char ICHRG:3;
+			unsigned char Resv2:1;
+		}bitfield;
+		unsigned char val;
+	}ctrl6;
+	union {
+		struct {
+			unsigned char VMREG:4;
+			unsigned char CHG_EN:1;
+			unsigned char Resv1:1;
+			unsigned char BATD_EN:1;
+			unsigned char Resv2:1;
+		}bitfield;
+		unsigned char val;
+	}ctrl7;
+};
+
+struct rt9455_callbacks {
+	void (*boost_callback)(int);
+	void (*charger_callback)(int);
+	void (*general_callback)(int);
+	void (*reset_callback)(int);
+};
+
+struct rt9455_chip_init_data {
+	struct rt9455_irq_mask irq_mask;
+	struct rt9455_init_ctrlval init_ctrlval;
+	struct rt9455_callbacks *callbacks;
+};
+
+#if 0
+struct rt9455_chip {
+	struct i2c_client *i2c;
+	struct device *dev;
+	struct workqueue_struct *wq;
+	struct rt9455_callbacks *cb;
+	int intr_gpio;
+	int irq;
+	int suspend;
+	int otg_ext_enable;
+	struct work_struct work;
+	struct mutex io_lock;
+};
+#endif
+
+//external function for the customer
+#if 0
+int rt9455_ext_force_otamode(int onoff);
+int rt9455_ext_charger_current(int value);
+int rt9455_ext_charger_switch(int onoff);
+#endif
+
+#ifdef CONFIG_CHARGER_RT9455_DBG
+#define RT_DBG(format, args...) \
+	pr_info("%s:%s() line-%d: " format, RT9455_DEVICE_NAME, __FUNCTION__, __LINE__, ##args)
+#else
+#define RT_DBG(format, args...)
+#endif /* CONFIG_CHARGER_RT9455_DBG */
+
+#endif /* __LINUX_BATTERY_CHARGER_RT9455_H */