sleep.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:
* ---------
* sleep.c
*
* Project:
* --------
* Maui_Software
*
* Description:
* ------------
* This file provides APIs to get device information
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
* removed!
* removed!
* removed!
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*
* removed!
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*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#ifdef __MTK_TARGET__
#include "reg_base.h"
#include "config_hw.h"
#include "drv_comm.h"
#include "drvpdn.h"
#include "l1_interface.h"
#if defined(__CENTRALIZED_SLEEP_MANAGER__) && defined(__EVENT_BASED_TIMER__) && defined(MTK_SLEEP_ENABLE)
#include "ostd_public.h"
#endif
#include "stack_config.h"
#include "kal_trace.h"
#include "kal_public_defs.h"
#include "kal_general_types.h"
#include "kal_internal_api.h"
#include "kal_public_api.h"
#include "sst_sla.h"
#include "system_trc.h"
#include "kal_internal_api.h"
#include "intrCtrl.h"
#include "msdc_def.h"
#if defined(L1D_TEST)
extern kal_int8 L1DTest_L1SM_Is_Slept(void);
#define L1SM_IS_SLEPT() L1DTest_L1SM_Is_Slept()
#else
extern kal_bool L1SM_Is_Slept(void);
#define L1SM_IS_SLEPT() L1SM_Is_Slept()
#endif /* L1D_TEST */
#ifdef __AUDIO_DSP_LOWPOWER_V2__
extern kal_bool AUDLP_Check_LowPower_Status(void);
#endif
extern void pmu_low_power_setting_before_sleep(void);
extern void pmu_low_power_setting_after_sleep(void);
extern void gpio_external_buck_init(void); // init function
extern void gpio_external_buck_turn_on(void); // turn on external buck
extern void gpio_external_buck_turn_off(void); // turn off external buck
extern void gpio_strapping_pin_lowpower_set(void);
extern void gpio_strapping_pin_lowpower_restore(void);
#pragma arm section rwdata = "INTSRAM_RW" , rodata = "INTSRAM_RODATA" , zidata = "INTSRAM_ZI"
volatile static kal_bool OST_ReadyToSlept = KAL_FALSE;
volatile static Sleep_Time allow_sleep_dur;
#pragma arm section code = "INTSRAM_ROCODE"
kal_bool switch_to_sleep(void)
{
kal_uint32 _savedMask;
_savedMask = LockIRQ();
#if defined(__CENTRALIZED_SLEEP_MANAGER__) && defined(__EVENT_BASED_TIMER__) && defined(MTK_SLEEP_ENABLE)
while (1) {
RestoreIRQ(_savedMask);
kal_get_sleep_time(&allow_sleep_dur);
_savedMask = LockIRQ();
/* Enable nIRQ wake-up event after I-Bit OFF. */
OSTD_EnableNIRQ();
/* Get confirm. (return for next while loop if it is invalid sleep time) */
if(kal_is_valid_sleep_time(&allow_sleep_dur) != 0)
break;
/* Disable nIRQ wake-up event before I-Bit ON. */
OSTD_DisableNIRQ();
}
/* Check & Trigger OST Pause Mode:
MUST be called inside of I-Bit protection:
*/
OST_ReadyToSlept = OSTD_CheckSleep();
#endif /* __CENTRALIZED_SLEEP_MANAGER__ */
if (OST_ReadyToSlept == KAL_FALSE) {
#if defined(__CENTRALIZED_SLEEP_MANAGER__) && defined(__EVENT_BASED_TIMER__) && defined(MTK_SLEEP_ENABLE)
/* Disable nIRQ wake-up event before I-Bit ON. */
OSTD_DisableNIRQ();
#endif /* __CENTRALIZED_SLEEP_MANAGER__ */
RestoreIRQ(_savedMask);
return KAL_FALSE;
}
#if defined(MT6250)
/* this workaround the issue that the MSDC drains 12mA in sleep mode */
if ((OST_ReadyToSlept == KAL_TRUE)
&& (AUDLP_Check_LowPower_Status() == KAL_FALSE))
{
Idle_VMC_OnOff(KAL_FALSE);
}
#elif defined (MT6260)
/* this workaround the issue that the MSDC drains 12mA in sleep mode */
if ((OST_ReadyToSlept == KAL_TRUE)
&& (AUDLP_Check_LowPower_Status() == KAL_FALSE))
{
Idle_VMC_OnOff(KAL_FALSE);
}
#endif
#if defined (MT6261) || defined (MT2502) || defined (MT2501)
if ((OST_ReadyToSlept == KAL_TRUE)
&& (AUDLP_Check_LowPower_Status() == KAL_FALSE))
{
gpio_strapping_pin_lowpower_set();
#if defined (__EXT_BUCK__)
pmu_low_power_setting_before_sleep();
gpio_external_buck_turn_off();
#endif //#if defined (__EXT_BUCK__)
}
#endif //#if defined (MT6261)
arm_enter_standby_mode(OST_ReadyToSlept);
#if defined (MT6261) || defined (MT2502) || defined (MT2501)
if ((OST_ReadyToSlept == KAL_TRUE)
&& (AUDLP_Check_LowPower_Status() == KAL_FALSE))
{
#if defined (__EXT_BUCK__)
gpio_external_buck_turn_on();
pmu_low_power_setting_after_sleep();
#endif //#if defined (__EXT_BUCK__)
gpio_strapping_pin_lowpower_restore();
}
#endif //#if defined (MT6261)
#if defined(__CENTRALIZED_SLEEP_MANAGER__) && defined(__EVENT_BASED_TIMER__) && defined(MTK_SLEEP_ENABLE)
/* Disable nIRQ wake-up event before I-Bit ON. */
OSTD_DisableNIRQ();
#endif /* __CENTRALIZED_SLEEP_MANAGER__ */
RestoreIRQ(_savedMask);
return KAL_TRUE;
}
#endif //#ifdef __MTK_TARGET__