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/*
* Copyright (C) 2013 WonderMedia Technologies, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __LINUX_POWER_WMT_BATTERY_H__
#define __LINUX_POWER_WMT_BATTERY_H__
static inline int prefixcmp(const char *str, const char *prefix)
{
for (; ; str++, prefix++)
if (!*prefix)
return 0;
else if (*str != *prefix)
return (unsigned char)*prefix - (unsigned char)*str;
}
#include <linux/power_supply.h>
#include <mach/hardware.h>
enum cable_type {
CABLE_TYPE_DC,
CABLE_TYPE_USB,
CABLE_TYPE_UNKNOWN,
};
enum {
CURRENT_SWITCH_DYNAMIC,
CURRENT_SWITCH_SLEEP,
};
enum {
PC_CONNECTED_NOT_CHARGING,
PC_CONNECTED_CHARGING,
};
#define USB_BASE_ADD (0xD8007800+WMT_MMAP_OFFSET)
static inline int wmt_is_otg_plugin(void)
{
return !(REG8_VAL(USB_BASE_ADD + 0x7F2) & BIT0);
}
static inline int wmt_is_dc_plugin(void)
{
return (REG8_VAL(PM_CTRL_BASE_ADDR + 0x005d) & 0x01);
}
static inline void wmt_dcdet_irq_enable(void)
{
uint32_t val;
// dcdet wakeup interrupt
PMTC_VAL |= BIT27;
val = PMWTC_VAL;
val &= ~(0xf << 12);
val |= 0x04 << 12;
PMWTC_VAL = val;
PMWE_VAL |= BIT27;
// dcdet interrupt
/* Register dcdet interrupt, edge trigger */
PMCIE_VAL |= BIT27;
WK_TRG_EN_VAL |= BIT27;
pmc_enable_wakeup_isr(WKS_DCDET, 4);
}
static inline void wmt_dcdet_irq_disable(void)
{
pmc_disable_wakeup_isr(WKS_DCDET);
}
static inline int charger_get_status(void)
{
struct power_supply *charger;
union power_supply_propval val;
charger = power_supply_get_by_name("ac");
if (!charger) {
pr_err("get ac power supply failed\n");
return -ENODEV;
}
charger->get_property(charger, POWER_SUPPLY_PROP_STATUS, &val);
return val.intval;
}
static inline int charger_is_full(void)
{
return charger_get_status() == POWER_SUPPLY_STATUS_FULL;
}
static inline int wmt_charger_is_dc_plugin(void)
{
return power_supply_is_system_supplied();
}
extern int wmt_is_pc_connected(void);
extern void wmt_do_pc_connected(void);
extern int parse_charger_led(void);
extern void led_power_enable(int enable);
#endif
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