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/include/linux/mfd/wm8350/supply.h

https://github.com/airy09/android_kernel_sony_apq8064
C Header | 134 lines | 80 code | 15 blank | 39 comment | 0 complexity | 880f5011ca460d5c532aa52145cc9baf MD5 | raw file
  1/*
  2 * supply.h  --  Power Supply Driver for Wolfson WM8350 PMIC
  3 *
  4 * Copyright 2007 Wolfson Microelectronics PLC
  5 *
  6 *  This program is free software; you can redistribute  it and/or modify it
  7 *  under  the terms of  the GNU General  Public License as published by the
  8 *  Free Software Foundation;  either version 2 of the  License, or (at your
  9 *  option) any later version.
 10 *
 11 */
 12
 13#ifndef __LINUX_MFD_WM8350_SUPPLY_H_
 14#define __LINUX_MFD_WM8350_SUPPLY_H_
 15
 16#include <linux/mutex.h>
 17#include <linux/power_supply.h>
 18
 19/*
 20 * Charger registers
 21 */
 22#define WM8350_BATTERY_CHARGER_CONTROL_1        0xA8
 23#define WM8350_BATTERY_CHARGER_CONTROL_2        0xA9
 24#define WM8350_BATTERY_CHARGER_CONTROL_3        0xAA
 25
 26/*
 27 * R168 (0xA8) - Battery Charger Control 1
 28 */
 29#define WM8350_CHG_ENA_R168                     0x8000
 30#define WM8350_CHG_THR                          0x2000
 31#define WM8350_CHG_EOC_SEL_MASK                 0x1C00
 32#define WM8350_CHG_TRICKLE_TEMP_CHOKE           0x0200
 33#define WM8350_CHG_TRICKLE_USB_CHOKE            0x0100
 34#define WM8350_CHG_RECOVER_T                    0x0080
 35#define WM8350_CHG_END_ACT                      0x0040
 36#define WM8350_CHG_FAST                         0x0020
 37#define WM8350_CHG_FAST_USB_THROTTLE            0x0010
 38#define WM8350_CHG_NTC_MON                      0x0008
 39#define WM8350_CHG_BATT_HOT_MON                 0x0004
 40#define WM8350_CHG_BATT_COLD_MON                0x0002
 41#define WM8350_CHG_CHIP_TEMP_MON                0x0001
 42
 43/*
 44 * R169 (0xA9) - Battery Charger Control 2
 45 */
 46#define WM8350_CHG_ACTIVE                       0x8000
 47#define WM8350_CHG_PAUSE                        0x4000
 48#define WM8350_CHG_STS_MASK                     0x3000
 49#define WM8350_CHG_TIME_MASK                    0x0F00
 50#define WM8350_CHG_MASK_WALL_FB                 0x0080
 51#define WM8350_CHG_TRICKLE_SEL                  0x0040
 52#define WM8350_CHG_VSEL_MASK                    0x0030
 53#define WM8350_CHG_ISEL_MASK                    0x000F
 54#define WM8350_CHG_STS_OFF                      0x0000
 55#define WM8350_CHG_STS_TRICKLE                  0x1000
 56#define WM8350_CHG_STS_FAST                     0x2000
 57
 58/*
 59 * R170 (0xAA) - Battery Charger Control 3
 60 */
 61#define WM8350_CHG_THROTTLE_T_MASK              0x0060
 62#define WM8350_CHG_SMART                        0x0010
 63#define WM8350_CHG_TIMER_ADJT_MASK              0x000F
 64
 65/*
 66 * Charger Interrupts
 67 */
 68#define WM8350_IRQ_CHG_BAT_HOT			0
 69#define WM8350_IRQ_CHG_BAT_COLD			1
 70#define WM8350_IRQ_CHG_BAT_FAIL			2
 71#define WM8350_IRQ_CHG_TO			3
 72#define WM8350_IRQ_CHG_END			4
 73#define WM8350_IRQ_CHG_START			5
 74#define WM8350_IRQ_CHG_FAST_RDY			6
 75#define WM8350_IRQ_CHG_VBATT_LT_3P9		10
 76#define WM8350_IRQ_CHG_VBATT_LT_3P1		11
 77#define WM8350_IRQ_CHG_VBATT_LT_2P85		12
 78
 79/*
 80 * Charger Policy
 81 */
 82#define WM8350_CHG_TRICKLE_50mA			(0 << 6)
 83#define WM8350_CHG_TRICKLE_100mA		(1 << 6)
 84#define WM8350_CHG_4_05V			(0 << 4)
 85#define WM8350_CHG_4_10V			(1 << 4)
 86#define WM8350_CHG_4_15V			(2 << 4)
 87#define WM8350_CHG_4_20V			(3 << 4)
 88#define WM8350_CHG_FAST_LIMIT_mA(x)		((x / 50) & 0xf)
 89#define WM8350_CHG_EOC_mA(x)			(((x - 10) & 0x7) << 10)
 90#define WM8350_CHG_TRICKLE_3_1V			(0 << 13)
 91#define WM8350_CHG_TRICKLE_3_9V			(1 << 13)
 92
 93/*
 94 * Supply Registers.
 95 */
 96#define WM8350_USB_VOLTAGE_READBACK             0x9C
 97#define WM8350_LINE_VOLTAGE_READBACK            0x9D
 98#define WM8350_BATT_VOLTAGE_READBACK            0x9E
 99
100/*
101 * Supply Interrupts.
102 */
103#define WM8350_IRQ_USB_LIMIT			15
104#define WM8350_IRQ_EXT_USB_FB			36
105#define WM8350_IRQ_EXT_WALL_FB			37
106#define WM8350_IRQ_EXT_BAT_FB			38
107
108/*
109 * Policy to control charger state machine.
110 */
111struct wm8350_charger_policy {
112
113	/* charger state machine policy  - set in machine driver */
114	int eoc_mA;		/* end of charge current (mA)  */
115	int charge_mV;		/* charge voltage */
116	int fast_limit_mA;	/* fast charge current limit */
117	int fast_limit_USB_mA;	/* USB fast charge current limit */
118	int charge_timeout;	/* charge timeout (mins) */
119	int trickle_start_mV;	/* trickle charge starts at mV */
120	int trickle_charge_mA;	/* trickle charge current */
121	int trickle_charge_USB_mA;	/* USB trickle charge current */
122};
123
124struct wm8350_power {
125	struct platform_device *pdev;
126	struct power_supply battery;
127	struct power_supply usb;
128	struct power_supply ac;
129	struct wm8350_charger_policy *policy;
130
131	int rev_g_coeff;
132};
133
134#endif