260 lines
5.8 KiB
C
260 lines
5.8 KiB
C
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/*
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* (C) Copyright 2007-2013
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Jerry Wang <wangflord@allwinnertech.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <malloc.h>
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#include <asm/arch/intc.h>
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#include <pmu.h>
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#include "power_probe.h"
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#include <asm/arch/usb.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifndef CONFIG_NO_BOOT_STANDBY
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extern int boot_standby_action;
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/*
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************************************************************************************************************
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*
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* function
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ <EFBFBD><EFBFBD>
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*
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* ˵<EFBFBD><EFBFBD> <EFBFBD><EFBFBD>
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*
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*
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************************************************************************************************************
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*/
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static void power_int_irq(void *p_arg)
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{
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#ifdef DEBUG
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int i;
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#endif
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unsigned char power_int_status[8];
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int dc_exist, bat_exist;
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axp_int_query(power_int_status);
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#ifdef DEBUG
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for(i=0;i<5;i++)
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{
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tick_printf("int status %d %x\n", i, power_int_status[i]);
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}
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#endif
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if(power_int_status[0] & 0x48) //<2F>ⲿ<EFBFBD><E2B2BF>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>
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{
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axp_power_get_dcin_battery_exist(&dc_exist, &bat_exist);
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if(dc_exist)
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{
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tick_printf("power insert\n");
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boot_standby_action &= ~0x10;
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boot_standby_action |= 0x04;
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}
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}
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if(power_int_status[0] & 0x8) //usb <20><><EFBFBD><EFBFBD><EFBFBD>жϣ<D0B6><CFA3><EFBFBD><EFBFBD><EFBFBD>usb<73><62><EFBFBD><EFBFBD>
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{
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tick_printf("usb in\n");
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boot_standby_action |= 8;
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usb_detect_enter();
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}
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if(power_int_status[0] & 0x4)
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{
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tick_printf("usb out\n");
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boot_standby_action &= ~0x04;
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boot_standby_action |= 0x10;
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usb_detect_exit();
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}
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if(power_int_status[2] & 0x2) //<2F>̰<EFBFBD><CCB0><EFBFBD>
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{
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tick_printf("short key\n");
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boot_standby_action |= 2;
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}
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if(power_int_status[2] & 0x1) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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tick_printf("long key\n");
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boot_standby_action |= 1;
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}
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return;
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}
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/*
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************************************************************************************************************
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*
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* function
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ <EFBFBD><EFBFBD>
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*
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* ˵<EFBFBD><EFBFBD> <EFBFBD><EFBFBD>
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*
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*
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************************************************************************************************************
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*/
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void power_limit_detect_enter(void)
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{
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unsigned char power_int_enable[8];
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power_int_enable[0] = 0x4C; //dc in/out, usb in/out
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power_int_enable[1] = 0;
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power_int_enable[2] = 3;
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power_int_enable[4] = 0;
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power_int_enable[5] = 0;
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tick_printf("power limit detect enter\n");
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axp_int_enable(power_int_enable);
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irq_install_handler(AW_IRQ_NMI, power_int_irq, 0);
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irq_enable(AW_IRQ_NMI);
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}
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/*
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************************************************************************************************************
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*
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* function
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ <EFBFBD><EFBFBD>
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*
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* ˵<EFBFBD><EFBFBD> <EFBFBD><EFBFBD>
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*
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*
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************************************************************************************************************
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*/
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void power_limit_detect_exit(void)
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{
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usb_detect_exit();
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irq_disable(AW_IRQ_NMI);
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axp_int_disable();
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tick_printf("power limit detect exit\n");
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}
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#endif
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/*
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************************************************************************************************************
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*
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* function
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ <EFBFBD><EFBFBD>
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*
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* ˵<EFBFBD><EFBFBD> <EFBFBD><EFBFBD>
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*
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*
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************************************************************************************************************
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*/
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int __usb_probe_vbus_type(void) //<2F><><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC>Ϊpc<70><63><EFBFBD>͵<EFBFBD>Դ
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{
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return 0;
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}
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int usb_probe_vbus_type(void)
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__attribute__((weak, alias("__usb_probe_vbus_type")));
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void power_limit_init(void)
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{
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int battery_exist = 0;
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int dcin_exist = 0;
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int vbus_type = 0;
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int i = 0;
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do
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{
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#ifdef CONFIG_ARCH_HOMELET
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break;
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#endif
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axp_power_get_dcin_battery_exist(&dcin_exist, &battery_exist);//<2F>жϵ<D0B6><CFB5><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
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if(battery_exist >= 0)
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{
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break;
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}
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i ++;
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__msdelay(500);
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}
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while(i < 4);
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vbus_type = usb_probe_vbus_type();
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if(vbus_type == 1) //<2F><><EFBFBD><EFBFBD>dc<64><63><EFBFBD>͵<EFBFBD>Դ
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{
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printf("vbus not exist\n");
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gd->vbus_status = SUNXI_VBUS_NOT_EXIST;
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}
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else
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{
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printf("vbus exist\n");
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gd->vbus_status = SUNXI_VBUS_EXIST; //<2F><><EFBFBD><EFBFBD>vbus<75><73><EFBFBD><EFBFBD>
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}
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if(battery_exist != BATTERY_EXIST) //<2F><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DCģʽ
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{
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axp_set_vbus_limit_dc();
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puts("no battery, limit to dc\n");
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return ;
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}
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if(dcin_exist == AXP_DCIN_EXIST) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>ⲿ<EFBFBD><E2B2BF>Դ<EFBFBD><D4B4><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD><EFBFBD>VBUS<55><53><EFBFBD><EFBFBD>
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{
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axp_set_vbus_limit_dc();
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puts("normal dc exist, limit to dc\n");
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return ;
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}
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if(dcin_exist == AXP_VBUS_EXIST) //<2F><><EFBFBD><EFBFBD>VBUS<55><53>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>
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{
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#if 0
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vbus_type = usb_probe_vbus_type();
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if(vbus_type == 1) //<2F><><EFBFBD><EFBFBD>dc<64><63><EFBFBD>͵<EFBFBD>Դ
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{
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axp_set_vbus_limit_dc(); //dp_dm <20><><EFBFBD><EFBFBD>
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puts("vbus dc exist, limit to dc\n");
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}
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else
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{
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axp_set_vbus_limit_pc(); //dp_dm <20><><EFBFBD><EFBFBD>
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axp_set_charge_current(600);
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puts("vbus pc exist, limit to pc\n");
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}
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#endif
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return ;
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}
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axp_set_vbus_limit_dc(); //ֻ<>е<EFBFBD><D0B5>ش<EFBFBD><D8B4><EFBFBD>
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puts("only battery exist, limit to dc\n");
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return ;
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}
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