SmartAudio/lichee/brandy/u-boot-2011.09/drivers/power/axp81X.c

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/*
* (C) Copyright 2007-2013
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
* Jerry Wang <wangflord@allwinnertech.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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.
*
* 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.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <power/axp81X_reg.h>
#include "axp.h"
#include <pmu.h>
extern int axp81_set_supply_status(int vol_name, int vol_value, int onoff);
extern int axp81_set_supply_status_byname(char *vol_name, int vol_value, int onoff);
extern int axp81_probe_supply_status(int vol_name, int vol_value, int onoff);
extern int axp81_probe_supply_status_byname(char *vol_name);
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe(void)
{
u8 pmu_type;
axp_i2c_config(SUNXI_AXP_81X, AXP81X_ADDR);
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_VERSION, &pmu_type))
{
printf("axp read error\n");
return -1;
}
pmu_type &= 0xCF;
if(pmu_type == 0x41)
{
int i ;
/* pmu type AXP81X */
tick_printf("PMU: AXP81X\n");
//clear IRQ enable bit
//because RTC use the same irq line whit AXP,and RTC will enable NMI interrupt at the start stage.
//but the axp driver is not ready at that moment
for(i = 0; i < 6; i++)
{
if(axp_i2c_write(AXP81X_ADDR,BOOT_POWER81X_INTEN1+i,0))
{
printf("axp clear IRQ enable bit error\n");
}
}
return 0;
}
return -1;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_coulombmeter_onoff(int onoff)
{
u8 reg_value;
if(axp_i2c_read(AXP81X_ADDR,BOOT_POWER81X_FUEL_GAUGE_CTL, &reg_value))
{
return -1;
}
if(!onoff)
reg_value &= ~(0x01 << 7);
else
reg_value |= (0x01 << 7);
if(axp_i2c_write(AXP81X_ADDR,BOOT_POWER81X_FUEL_GAUGE_CTL,reg_value))
{
return -1;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_charge_control(void)
{
u8 reg_value;
//disable ts adc, enable all other adc
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_ADC_EN, &reg_value))
{
return -1;
}
reg_value |= 0xC0;
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_ADC_EN, reg_value))
{
return -1;
}
//enable charge
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_CHARGE1, &reg_value))
{
return -1;
}
reg_value |= 0x80;
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_CHARGE1, reg_value))
{
return -1;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_battery_ratio(void)
{
u8 reg_value;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_BAT_PERCEN_CAL, &reg_value))
{
return -1;
}
return reg_value & 0x7f;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_power_status(void)
{
u8 reg_value;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_STATUS, &reg_value))
{
return -1;
}
if(reg_value & 0x10) //vbus exist
{
return AXP_VBUS_EXIST;
}
if(reg_value & 0x40) //dc in exist
{
return AXP_DCIN_EXIST;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_battery_exist(void)
{
u8 reg_value;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_MODE_CHGSTATUS, &reg_value))
{
return -1;
}
if(reg_value & 0x10)
{
return (reg_value & 0x20);
}
return -1;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_battery_vol(void)
{
u8 reg_value_h, reg_value_l;
int bat_vol, tmp_value;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_BAT_AVERVOL_H8, &reg_value_h))
{
return -1;
}
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_BAT_AVERVOL_L4, &reg_value_l))
{
return -1;
}
tmp_value = (reg_value_h << 4) | reg_value_l;
bat_vol = tmp_value * 11;
bat_vol /= 10;
return bat_vol;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_key(void)
{
u8 reg_value;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_INTSTS5, &reg_value))
{
return -1;
}
reg_value &= (0x03<<3);
if(reg_value)
{
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_INTSTS5, reg_value))
{
return -1;
}
}
return (reg_value>>3)&3;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_pre_sys_mode(void)
{
u8 reg_value;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_DATA_BUFFER11, &reg_value))
{
return -1;
}
return reg_value;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_next_sys_mode(int data)
{
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_DATA_BUFFER11, (u8)data))
{
return -1;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_this_poweron_cause(void)
{
uchar reg_value;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_STATUS, &reg_value))
{
return -1;
}
return reg_value & 0x01;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_power_off(void)
{
u8 reg_value;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_OFF_CTL, &reg_value))
{
return -1;
}
reg_value |= 1 << 7;
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_OFF_CTL, reg_value))
{
return -1;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_power_onoff_vol(int set_vol, int stage)
{
u8 reg_value;
if(!set_vol)
{
if(!stage)
{
set_vol = 3300;
}
else
{
set_vol = 2900;
}
}
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_VOFF_SET, &reg_value))
{
return -1;
}
reg_value &= 0xf8;
if(set_vol >= 2600 && set_vol <= 3300)
{
reg_value |= (set_vol - 2600)/100;
}
else if(set_vol <= 2600)
{
reg_value |= 0x00;
}
else
{
reg_value |= 0x07;
}
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_VOFF_SET, reg_value))
{
return -1;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_charge_current(int current)
{
u8 reg_value;
int step;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_CHARGE1, &reg_value))
{
return -1;
}
reg_value &= ~0x0f;
if(current > 2800)
{
current = 2800;
}
else if(current < 200)
{
current = 200;
}
step = (current/200) - 1; //0-13 ---->200to 2800
reg_value |= (step & 0x0f);
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_CHARGE1, reg_value))
{
return -1;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_charge_current(void)
{
uchar reg_value;
int current;
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_CHARGE1, &reg_value))
{
return -1;
}
reg_value &= 0x0f;
current = (reg_value + 1) * 200;
return current;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_vbus_cur_limit(int current)
{
uchar reg_value;
//set bus current limit off
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_CHARGE3, &reg_value))
{
return -1;
}
reg_value &= 0x0f;
//bit7-bit4: 0-100mA 1-500mA 2-900mA 3-1500mA
// 4-2000mA 5-2500mA 6-3000mA 7-3500mA 8-4000mA
if(current >= 4000) //limit to 4000
{
reg_value |= 0x80;
}
else if(current >= 3500) //limit to 3500
{
reg_value |= 0x70;
}
else if(current >= 3000) //limit to 3000
{
reg_value |= 0x60;
}
else if(current >=2500 )//limit to 2500
{
reg_value |= 0x50;
}
else if(current >=2000 )//limit to 2000
{
reg_value |= 0x40;
}
else if(current >=1500 )//limit to 1500
{
reg_value |= 0x30;
}
else if(current >=900 )
{
reg_value |= 0x20;
}
else if(current >=500 )
{
reg_value |= 0x10;
}
else if(current >=100 )
{
reg_value |= 0x00;
}
else
{
reg_value |= 0x10;
}
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_CHARGE3, reg_value))
{
return -1;
}
return 0;
}
int axp81_probe_vbus_cur_limit(void)
{
uchar reg_value;
int current = 0;
if(axp_i2c_read(AXP81X_ADDR,BOOT_POWER81X_CHARGE3,&reg_value))
{
return -1;
}
reg_value &= 0xf0;
//bit7-bit4: 0-100mA 1-500mA 2-900mA 3-1500mA
// 4-2000mA 5-2500mA 6-3000mA 7-3500mA 8-4000mA
if(reg_value == 0x80) //limit to 4000
{
current = 4000;
}
else if(reg_value == 0x70) //limit to 3500
{
current = 3500;
}
else if(reg_value == 0x60) //limit to 3000
{
current = 3000;
}
else if(reg_value == 0x50 )//limit to 2500
{
current = 2500;
}
else if(reg_value == 0x40 )//limit to 2000
{
current =2000;
}
else if(reg_value == 0x30 )//limit to 1500
{
current =1500;
}
else if(reg_value == 0x20 )
{
current =900;
}
else if(reg_value == 0x10 )
{
current =500;
}
else if(reg_value == 0x00 )
{
current =100;
}
else
{
reg_value |= 0x10;
}
printf("limit to %dmA \n",current);
return current;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_vbus_vol_limit(int vol)
{
uchar reg_value;
//set bus vol limit off
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_VBUS_SET, &reg_value))
{
return -1;
}
reg_value &= ~(7 << 3);
if(vol < 4000)
{
vol = 4000;
}
else if(vol > 4700)
{
vol = 4700;
}
reg_value |= ((vol-4000)/100) << 3;
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_VBUS_SET, reg_value))
{
return -1;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_int_pending(uchar *addr)
{
int i;
for(i=0;i<5;i++)
{
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_INTSTS1 + i, addr + i))
{
return -1;
}
}
for(i=0;i<5;i++)
{
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_INTSTS1 + i, 0xff))
{
return -1;
}
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_probe_int_enable(uchar *addr)
{
int i;
uchar int_reg = BOOT_POWER81X_INTEN1;
for(i=0;i<5;i++)
{
if(axp_i2c_read(AXP81X_ADDR, int_reg, addr + i))
{
return -1;
}
int_reg ++;
}
return 0;
}
/*
************************************************************************************************************
*
* function
*
* 函数名称:
*
* 参数列表:
*
* 返回值
*
* 说明
*
*
************************************************************************************************************
*/
int axp81_set_int_enable(uchar *addr)
{
int i;
uchar int_reg = BOOT_POWER81X_INTEN1;
for(i=0;i<5;i++)
{
if(axp_i2c_write(AXP81X_ADDR, int_reg, addr[i]))
{
return -1;
}
int_reg ++;
}
return 0;
}
sunxi_axp_module_init("axp81x", SUNXI_AXP_81X);