/* Copyright Statement: * * This software/firmware and related documentation ("MediaTek Software") are * protected under relevant copyright laws. The information contained herein * is confidential and proprietary to MediaTek Inc. and/or its licensors. * Without the prior written permission of MediaTek inc. and/or its licensors, * any reproduction, modification, use or disclosure of MediaTek Software, * and information contained herein, in whole or in part, shall be strictly prohibited. */ /* MediaTek Inc. (C) 2015. All rights reserved. * * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. */ #include #ifdef MTK_KERNEL_POWER_OFF_CHARGING #define CFG_POWER_CHARGING #endif #ifdef CFG_POWER_CHARGING #include #include #include #include #include #include #include #include //#include //#include //#include //#include //#include #include #include #include #if defined(MTK_BQ24261_SUPPORT) #include #endif #if defined(MTK_BQ24296_SUPPORT) #include #endif #if defined(MTK_NCP1854_SUPPORT) #include #endif #ifdef MTK_FAN5405_SUPPORT #include #endif #undef printf /***************************************************************************** * Type define ****************************************************************************/ #if defined(CUST_BATTERY_LOWVOL_THRESOLD) #define BATTERY_LOWVOL_THRESOLD CUST_BATTERY_LOWVOL_THRESOLD #else #define BATTERY_LOWVOL_THRESOLD 3450 #endif /***************************************************************************** * Global Variable ****************************************************************************/ bool g_boot_reason_change = false; #if defined(STD_AC_LARGE_CURRENT) int g_std_ac_large_current_en=1; #else int g_std_ac_large_current_en=0; #endif /***************************************************************************** * Externl Variable ****************************************************************************/ extern bool g_boot_menu; extern void mtk_wdt_restart(void); int get_bat_volt(int times) { int bat_vol; #if defined(SWCHR_POWER_PATH) bat_vol = get_i_sense_volt(times); #else bat_vol = get_bat_sense_volt(times); #endif return bat_vol; } void kick_charger_wdt(void) { /* //mt6325_upmu_set_rg_chrwdt_td(0x0); // CHRWDT_TD, 4s mt6325_upmu_set_rg_chrwdt_td(0x3); // CHRWDT_TD, 32s for keep charging for lk to kernel mt6325_upmu_set_rg_chrwdt_wr(1); // CHRWDT_WR mt6325_upmu_set_rg_chrwdt_int_en(1); // CHRWDT_INT_EN mt6325_upmu_set_rg_chrwdt_en(1); // CHRWDT_EN mt6325_upmu_set_rg_chrwdt_flag_wr(1); // CHRWDT_WR */ pmic_set_register_value(PMIC_RG_CHRWDT_TD,3); // CHRWDT_TD, 32s for keep charging for lk to kernel pmic_set_register_value(PMIC_RG_CHRWDT_WR,1); // CHRWDT_WR pmic_set_register_value(PMIC_RG_CHRWDT_INT_EN,1); // CHRWDT_INT_EN pmic_set_register_value(PMIC_RG_CHRWDT_EN,1); // CHRWDT_EN pmic_set_register_value(PMIC_RG_CHRWDT_FLAG_WR,1);// CHRWDT_WR } #if defined(MTK_BATLOWV_NO_PANEL_ON_EARLY) kal_bool is_low_battery(kal_int32 val) { static UINT8 g_bat_low = 0xFF; //low battery only justice once in lk if (0xFF != g_bat_low) return g_bat_low; else g_bat_low = FALSE; #if defined(SWCHR_POWER_PATH) if (0 == val) val = get_i_sense_volt(1); #else if (0 == val) val = get_bat_sense_volt(1); #endif if (val < BATTERY_LOWVOL_THRESOLD) { dprintf(CRITICAL, "%s, TRUE\n", __FUNCTION__); g_bat_low = 0x1; } if (FALSE == g_bat_low) dprintf(CRITICAL, "%s, FALSE\n", __FUNCTION__); return g_bat_low; } #endif void pchr_turn_on_charging(kal_bool bEnable) { pmic_set_register_value(PMIC_RG_USBDL_RST,1);//force leave USBDL mode //mt6325_upmu_set_rg_usbdl_rst(1); //force leave USBDL mode kick_charger_wdt(); pmic_set_register_value(PMIC_RG_CS_VTH,0xC); // CS_VTH, 450mA //mt6325_upmu_set_rg_cs_vth(0xC); // CS_VTH, 450mA pmic_set_register_value(PMIC_RG_CSDAC_EN,1); //mt6325_upmu_set_rg_csdac_en(1); // CSDAC_EN pmic_set_register_value(PMIC_RG_CHR_EN,1); //mt6325_upmu_set_rg_chr_en(1); // CHR_EN #ifdef MTK_FAN5405_SUPPORT fan5405_hw_init(); fan5405_turn_on_charging(); fan5405_dump_register(); #endif #if defined(MTK_BQ24261_SUPPORT) bq24261_hw_init(); bq24261_charging_enable(bEnable); bq24261_dump_register(); #endif #if defined(MTK_BQ24296_SUPPORT) bq24296_hw_init(); bq24296_charging_enable(bEnable); bq24296_dump_register(); #endif #if defined(MTK_NCP1854_SUPPORT) ncp1854_hw_init(); ncp1854_charging_enable(bEnable); ncp1854_dump_register(); #endif } void pchr_turn_off_charging(void) { pmic_set_register_value(PMIC_RG_CHRWDT_INT_EN,0);// CHRWDT_INT_EN pmic_set_register_value(PMIC_RG_CHRWDT_EN,0);// CHRWDT_EN pmic_set_register_value(PMIC_RG_CHRWDT_FLAG_WR,0);// CHRWDT_FLAG pmic_set_register_value(PMIC_RG_CSDAC_EN,0);// CSDAC_EN pmic_set_register_value(PMIC_RG_CHR_EN,0);// CHR_EN pmic_set_register_value(PMIC_RG_HWCV_EN,0);// RG_HWCV_EN } //enter this function when low battery with charger void check_bat_protect_status() { kal_int32 bat_val = 0; int current,chr_volt,cnt=0,i; chr_volt = get_charger_volt(1); #if defined(SWCHR_POWER_PATH) bat_val = get_i_sense_volt(5); #else bat_val = get_bat_sense_volt(5); #endif dprintf(CRITICAL, "[%s]: check VBAT=%d mV with %d mV, chr:%d start charging... \n", __FUNCTION__, bat_val, BATTERY_LOWVOL_THRESOLD, chr_volt); while (bat_val < BATTERY_LOWVOL_THRESOLD) { mtk_wdt_restart(); if (upmu_is_chr_det() == KAL_FALSE) { dprintf(CRITICAL, "[BATTERY] No Charger, Power OFF !\n"); mt6575_power_off(); } chr_volt = get_charger_volt(1); if (chr_volt > V_CHARGER_MAX) { dprintf(CRITICAL, "[BATTERY] charger voltage is too high: %d, threshold is %d\n", chr_volt,V_CHARGER_MAX); break; } pchr_turn_on_charging(KAL_TRUE); #if defined(SWCHR_POWER_PATH) mdelay(5000); #else /* cnt=0; for (i=0; i<10; i++) { current=get_charging_current(1); chr_volt=get_charger_volt(1); if (current<100 && chr_volt<4400) { cnt++; dprintf(CRITICAL, "[BATTERY] charging current=%d charger volt=%d\n\r",current,chr_volt); } else { dprintf(CRITICAL, "[BATTERY] charging current=%d charger volt=%d\n\r",current,chr_volt); cnt=0; } } if (cnt>=8) { dprintf(CRITICAL, "[BATTERY] charging current and charger volt too low !! \n\r",cnt); pchr_turn_off_charging(); #ifndef NO_POWER_OFF mt6575_power_off(); #endif while (1) { dprintf(CRITICAL, "If you see the log, please check with RTC power off API\n\r"); } } mdelay(50); */ #endif #if defined(SWCHR_POWER_PATH) #ifndef MTK_NCP1854_SUPPORT /* NCP1854 needs enable charging to have power path */ pchr_turn_on_charging(KAL_FALSE); mdelay(100); #endif bat_val = get_i_sense_volt(5); #else bat_val = get_bat_sense_volt(5); #endif dprintf(CRITICAL, "[%s]: check VBAT=%d mV \n", __FUNCTION__, bat_val); } dprintf(CRITICAL, "[%s]: check VBAT=%d mV with %d mV, stop charging... \n", __FUNCTION__, bat_val, BATTERY_LOWVOL_THRESOLD); } void mt65xx_bat_init(void) { kal_int32 bat_vol; // Low Battery Safety Booting #if defined(SWCHR_POWER_PATH) bat_vol = get_i_sense_volt(1); #else bat_vol = get_bat_sense_volt(1); #endif //pchr_turn_on_charging(KAL_TRUE); dprintf(CRITICAL, "[mt65xx_bat_init] check VBAT=%d mV with %d mV\n", bat_vol, BATTERY_LOWVOL_THRESOLD); if (g_boot_mode == KERNEL_POWER_OFF_CHARGING_BOOT && (pmic_get_register_value(PMIC_PWRKEY_DEB)==0) ) { dprintf(CRITICAL, "[mt65xx_bat_init] KPOC+PWRKEY => change boot mode\n"); g_boot_reason_change = true; } rtc_boot_check(false); #ifndef MTK_DISABLE_POWER_ON_OFF_VOLTAGE_LIMITATION #ifndef MTK_BATLOWV_NO_PANEL_ON_EARLY if (bat_vol < BATTERY_LOWVOL_THRESOLD) { #else if (is_low_battery(bat_vol)) { #endif if (g_boot_mode == KERNEL_POWER_OFF_CHARGING_BOOT && upmu_is_chr_det() == KAL_TRUE) { dprintf(CRITICAL, "[%s] Kernel Low Battery Power Off Charging Mode\n", __func__); g_boot_mode = LOW_POWER_OFF_CHARGING_BOOT; check_bat_protect_status(); return; } else { dprintf(CRITICAL, "[BATTERY] battery voltage(%dmV) <= CLV ! Can not Boot Linux Kernel !! \n\r",bat_vol); #ifndef NO_POWER_OFF mt6575_power_off(); #endif } } #endif return; } #else #include #include #include void mt65xx_bat_init(void) { dprintf(CRITICAL, "[BATTERY] Skip mt65xx_bat_init !!\n\r"); dprintf(CRITICAL, "[BATTERY] If you want to enable power off charging, \n\r"); dprintf(CRITICAL, "[BATTERY] Please #define CFG_POWER_CHARGING!!\n\r"); } int get_bat_volt(int times) { int bat_vol; #if defined(SWCHR_POWER_PATH) bat_vol = get_i_sense_volt(times); #else bat_vol = get_bat_sense_volt(times); #endif return bat_vol; } #endif