117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
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/*
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* Copyright (C) 2007 HTC Incorporated
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* Author: Jay Tu (jay_tu@htc.com)
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _HTC_BATTERY_H_
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#define _HTC_BATTERY_H_
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#include <linux/notifier.h>
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#include <linux/power_supply.h>
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#define BATT_EVENT_SUSPEND 0x01
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#define CHECK_CHG 0X64
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#define SET_ICL500 0X65
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#define SET_ICL100 0X66
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#define CHECK_INT2 0X67
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/* information about the system we're running on */
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extern unsigned int system_rev;
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enum batt_ctl_t {
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DISABLE = 0,
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ENABLE_SLOW_CHG,
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ENABLE_FAST_CHG
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};
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/* This order is the same as htc_power_supplies[]
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* And it's also the same as htc_cable_status_update()
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*/
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enum charger_type_t {
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CHARGER_UNKNOWN = -1,
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CHARGER_BATTERY = 0,
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CHARGER_USB,
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CHARGER_AC
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};
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enum {
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GUAGE_NONE,
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GUAGE_MODEM,
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GUAGE_DS2784,
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GUAGE_DS2746,
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};
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enum {
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LINEAR_CHARGER,
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SWITCH_CHARGER,
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};
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struct battery_info_reply {
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u32 batt_id; /* Battery ID from ADC */
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u32 batt_vol; /* Battery voltage from ADC */
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s32 batt_temp; /* Battery Temperature (C) from formula and ADC */
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s32 batt_current; /* Battery current from ADC */
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u32 level; /* formula */
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u32 charging_source; /* 0: no cable, 1:usb, 2:AC */
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u32 charging_enabled; /* 0: Disable, 1: Enable */
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u32 full_bat; /* Full capacity of battery (mAh) */
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u32 full_level; /* Full Level */
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u32 over_vchg; /* 0:normal, 1:over voltage charger */
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s32 eval_current; /* System loading current from ADC */
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};
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struct htc_battery_platform_data {
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int (*func_show_batt_attr)(struct device_attribute *attr,
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char *buf);
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int gpio_mbat_in;
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int gpio_usb_id;
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int gpio_mchg_en_n;
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int gpio_iset;
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int guage_driver;
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int m2a_cable_detect;
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int charger;
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};
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#if CONFIG_HTC_BATTCHG
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extern int register_notifier_cable_status(struct notifier_block *nb);
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extern int unregister_notifier_cable_status(struct notifier_block *nb);
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#else
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static int register_notifier_cable_status(struct notifier_block *nb) { return 0; }
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static int unregister_notifier_cable_status(struct notifier_block *nb) { return 0; }
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#endif
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#ifdef CONFIG_BATTERY_DS2784
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extern int battery_charging_ctrl(enum batt_ctl_t ctl);
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#endif
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extern int get_cable_status(void);
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#ifdef CONFIG_HTC_BATTCHG
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extern int batt_register_client(struct notifier_block *nb);
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extern int batt_unregister_client(struct notifier_block *nb);
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extern int batt_notifier_call_chain(unsigned long val, void *v);
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#else
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static int batt_register_client(struct notifier_block *nb)
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{
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return 0;
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}
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static int batt_unregister_client(struct notifier_block *nb)
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{
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return 0;
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}
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static int batt_notifier_call_chain(unsigned long val, void *v)
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{
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return 0;
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}
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#endif
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extern unsigned int batt_get_status(enum power_supply_property psp);
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#endif
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