bmt_sw_chip_setting.c
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2005
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER 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 BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'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 BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* bmt_sw_chip_setting.c
*
* Project:
* --------
* Maui_Software
*
* Description:
* ------------
* This Module defines bmt sw workaound.
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
* removed!
* removed!
* removed!
*
* removed!
* removed!
* removed!
*
* removed!
* removed!
* removed!
*
* removed!
* removed!
* removed!
*
*
*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#include "drv_comm.h"
#include "bmt_trc.h"
#include "bmt_utility.h"
#if defined(PULSE_LI_CHARGING)
#include "bmt_pulse_li.h"
#elif defined(LINEAR_LI_CHARGING)
#include "bmt_linear_li.h"
#endif
#if !defined(BMT_CHARGING_DISABLE)
// ============================================================ //
//define
// ============================================================ //
// ============================================================ //
//global variable
// ============================================================ //
#if defined(DRV_BMT_HW_PRECC_WORKAROUND)
kal_bool SW_Workaround_Flag = KAL_TRUE;
kal_bool Manual_Disable_Charge_Flag = KAL_FALSE;
#endif
// ============================================================ //
// function prototype
// ============================================================ //
// ============================================================ //
//extern variable
// ============================================================ //
// ============================================================ //
//extern function
// ============================================================ //
// ============================================================ //
#if defined(DRV_BMT_HW_PRECC_WORKAROUND)
/*
* FUNCTION
* bmt_set_charger_out
*
* DESCRIPTION
* This function is called to set charger out status
*
* CALLS
*
* PARAMETERS
* None
*
* RETURNS
*
*
* GLOBALS AFFECTED
* None
*/
void bmt_set_charger_status(Charger_Status chr_status)
{
DCL_HANDLE bmt_dcl_handle;
BMT_CTRL_SET_CHR_STATUS_T ChrStatus;
bmt_dcl_handle = DclBMT_Open(DCL_BMT, FLAGS_NONE);
ChrStatus.ChargerStat = DCL_BMT_CHR_OUT;
DclBMT_Control(bmt_dcl_handle, BMT_CMD_SET_CHR_STATUS, (DCL_CTRL_DATA_T *)&ChrStatus);
DclBMT_Close(bmt_dcl_handle);
}
/*
* FUNCTION
* PreCC_Chr_Plugout_Check
*
* DESCRIPTION
* This function is called to check whether chrager is plug out
*
* CALLS
*
* PARAMETERS
* BATPHYS
*
* RETURNS
* KAL_TRUE: finish
* KAL_FALSE: not finish
*
* GLOBALS AFFECTED
* None
*/
kal_bool PreCC_Chr_Plugout_Check(BATPHYStruct *BATPHYS)
{
static kal_uint8 SW_Low_Current_Cnts=0;
Charger_Status ChrStatus;
DCL_BOOL chr_enable;
drv_trace0(TRACE_GROUP_10, BMT_SW_WORKAROUND_FLAG_TRUE_TRC);
if(BATPHYS->VBAT > bmt_charging_para.V_PRE2FAST_THRES)
{
SW_Workaround_Flag = KAL_FALSE;
drv_trace0(TRACE_GROUP_10, BMT_OUTSIDE_SW_WORKAROUND_RANGE_TRC);
drv_trace0(TRACE_GROUP_10, BMT_SW_WORKAROUND_FLAG_FALSE_TRC);
Dcl_Chr_Det_Control(NULL, CHR_DET_CMD_GET_CHR_STATUS, (DCL_CTRL_DATA_T *)&ChrStatus);
if(ChrStatus == bmt_chr_out)
{
drv_trace0(TRACE_GROUP_10, BMT_MISSING_HW_PLUG_OUT_TRC);
bmt_set_charger_status(bmt_chr_out);
return KAL_TRUE;
}
}
else
{
drv_trace0(TRACE_GROUP_10, BMT_INSIDE_SW_WORKAROUND_RANGE_TRC);
SW_Workaround_Flag = KAL_TRUE;
if( BATPHYS->ICHARGE < bmt_charging_para.ICHARGE_ON_LOW &&
(BATPHYS->VCHARGER < 2000000))
{
SW_Workaround_Flag = KAL_FALSE;
drv_trace0(TRACE_GROUP_10, BMT_SW_WORKAROUND_FLAG_FALSE_TRC);
drv_trace0(TRACE_GROUP_10, BMT_SW_PLUG_OUT_TRC);
bmt_set_charger_status(bmt_chr_out);
return KAL_TRUE;
}
if( (BMT.pmictrl_state == PMIC_CHARGEON)&&(BATPHYS->ICHARGE < bmt_charging_para.ICHARGE_ON_LOW))
{
kal_uint8 threshold=7;
if (threshold>bmt_get_on_count())
threshold=bmt_get_on_count();
SW_Low_Current_Cnts++;
if (SW_Low_Current_Cnts>=threshold)
{
SW_Workaround_Flag = KAL_FALSE;
drv_trace0(TRACE_GROUP_10, BMT_SW_WORKAROUND_FLAG_FALSE_TRC);
drv_trace0(TRACE_GROUP_10, BMT_SW_PLUG_OUT_TRC);
bmt_set_charger_status(bmt_chr_out);
return KAL_TRUE;
}
}
else
{
SW_Low_Current_Cnts=0;
}
if(Manual_Disable_Charge_Flag == KAL_TRUE)
{
drv_trace0(TRACE_GROUP_10, BMT_PLUG_OUT_FALSE_ALARM_TRC);
Manual_Disable_Charge_Flag = KAL_FALSE;
if(BMT.pmictrl_state == PMIC_CHARGEON)
{
drv_trace0(TRACE_GROUP_10, BMT_ENABLE_CHARGE_AT_CHARGE_ON_TRC);
chr_enable = KAL_TRUE;
bmt_charging_control_handler(BMT_CHARGING_CMD_CHARGING_ENABLE, &chr_enable);
}
bmt_timer_config(KAL_TICKS_200_MSEC); //45 frames ~= 200ms
return KAL_TRUE;
}
if(BATPHYS->ICHARGE < bmt_charging_para.ICHARGE_ON_LOW)
{
if(BMT.pmictrl_state == PMIC_CHARGEON)
{
drv_trace0(TRACE_GROUP_10, BMT_POSSIBLE_PLUG_OUT_TRC);
Manual_Disable_Charge_Flag = KAL_TRUE;
chr_enable = KAL_FALSE;
bmt_charging_control_handler(BMT_CHARGING_CMD_CHARGING_ENABLE, &chr_enable);
drv_trace0(TRACE_GROUP_10, BMT_DISABLE_CHARGE_AT_CHARGE_ON_TRC);
bmt_timer_config(KAL_TICKS_200_MSEC); //45 frames ~= 200ms
return KAL_TRUE;
}
drv_trace0(TRACE_GROUP_10, BMT_LOW_CHARGE_CURRENT_AT_CHARGE_OFF_TRC);
}
}
return KAL_FALSE;
}
#endif // End of #if defined(DRV_BMT_HW_PRECC_WORKAROUND)
#endif //End of #if !defined(BMT_CHARGING_DISABLE)