ACPI: simplify acpi_pci_irq_add_prt() API
[linux-2.6/linux-acpi-2.6.git] / include / linux / mfd / wm8350 / supply.h
blob2b9479310bbd32e81f54af29b51eff7bdf3922d4
1 /*
2 * supply.h -- Power Supply Driver for Wolfson WM8350 PMIC
4 * Copyright 2007 Wolfson Microelectronics PLC
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.
13 #ifndef __LINUX_MFD_WM8350_SUPPLY_H_
14 #define __LINUX_MFD_WM8350_SUPPLY_H_
16 #include <linux/mutex.h>
17 #include <linux/power_supply.h>
20 * Charger registers
22 #define WM8350_BATTERY_CHARGER_CONTROL_1 0xA8
23 #define WM8350_BATTERY_CHARGER_CONTROL_2 0xA9
24 #define WM8350_BATTERY_CHARGER_CONTROL_3 0xAA
27 * R168 (0xA8) - Battery Charger Control 1
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
44 * R169 (0xA9) - Battery Charger Control 2
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
59 * R170 (0xAA) - Battery Charger Control 3
61 #define WM8350_CHG_THROTTLE_T_MASK 0x0060
62 #define WM8350_CHG_SMART 0x0010
63 #define WM8350_CHG_TIMER_ADJT_MASK 0x000F
66 * Charger Interrupts
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
80 * Charger Policy
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)
94 * Supply Registers.
96 #define WM8350_USB_VOLTAGE_READBACK 0x9C
97 #define WM8350_LINE_VOLTAGE_READBACK 0x9D
98 #define WM8350_BATT_VOLTAGE_READBACK 0x9E
101 * Supply Interrupts.
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
109 * Policy to control charger state machine.
111 struct wm8350_charger_policy {
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 */
124 struct 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;
131 int rev_g_coeff;
134 #endif