android_kernel_cmhtcleo/arch/arm/mach-msm/include/mach/htc_battery.h

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2010-08-27 09:19:57 +00:00
/*
* Copyright (C) 2007 HTC Incorporated
* Author: Jay Tu (jay_tu@htc.com)
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _HTC_BATTERY_H_
#define _HTC_BATTERY_H_
#include <linux/notifier.h>
#include <linux/power_supply.h>
#define BATT_EVENT_SUSPEND 0x01
#define CHECK_CHG 0X64
#define SET_ICL500 0X65
#define SET_ICL100 0X66
#define CHECK_INT2 0X67
/* information about the system we're running on */
extern unsigned int system_rev;
enum batt_ctl_t {
DISABLE = 0,
ENABLE_SLOW_CHG,
ENABLE_FAST_CHG
};
/* This order is the same as htc_power_supplies[]
* And it's also the same as htc_cable_status_update()
*/
enum charger_type_t {
CHARGER_UNKNOWN = -1,
CHARGER_BATTERY = 0,
CHARGER_USB,
CHARGER_AC
};
enum {
GUAGE_NONE,
GUAGE_MODEM,
GUAGE_DS2784,
GUAGE_DS2746,
};
enum {
LINEAR_CHARGER,
SWITCH_CHARGER,
};
struct battery_info_reply {
u32 batt_id; /* Battery ID from ADC */
u32 batt_vol; /* Battery voltage from ADC */
s32 batt_temp; /* Battery Temperature (C) from formula and ADC */
s32 batt_current; /* Battery current from ADC */
u32 level; /* formula */
u32 charging_source; /* 0: no cable, 1:usb, 2:AC */
u32 charging_enabled; /* 0: Disable, 1: Enable */
u32 full_bat; /* Full capacity of battery (mAh) */
u32 full_level; /* Full Level */
u32 over_vchg; /* 0:normal, 1:over voltage charger */
s32 eval_current; /* System loading current from ADC */
};
struct htc_battery_platform_data {
int (*func_show_batt_attr)(struct device_attribute *attr,
char *buf);
int gpio_mbat_in;
int gpio_usb_id;
int gpio_mchg_en_n;
int gpio_iset;
int guage_driver;
int m2a_cable_detect;
int charger;
};
#if CONFIG_HTC_BATTCHG
extern int register_notifier_cable_status(struct notifier_block *nb);
extern int unregister_notifier_cable_status(struct notifier_block *nb);
#else
static int register_notifier_cable_status(struct notifier_block *nb) { return 0; }
static int unregister_notifier_cable_status(struct notifier_block *nb) { return 0; }
#endif
#ifdef CONFIG_BATTERY_DS2784
extern int battery_charging_ctrl(enum batt_ctl_t ctl);
#endif
extern int get_cable_status(void);
#ifdef CONFIG_HTC_BATTCHG
extern int batt_register_client(struct notifier_block *nb);
extern int batt_unregister_client(struct notifier_block *nb);
extern int batt_notifier_call_chain(unsigned long val, void *v);
#else
static int batt_register_client(struct notifier_block *nb)
{
return 0;
}
static int batt_unregister_client(struct notifier_block *nb)
{
return 0;
}
static int batt_notifier_call_chain(unsigned long val, void *v)
{
return 0;
}
#endif
extern unsigned int batt_get_status(enum power_supply_property psp);
#endif