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PM_InitFIRMの最適化 git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@68 b08762b0-b915-fc4b-9d8c-17b2551a87ff
118 lines
4.1 KiB
C
118 lines
4.1 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlIPL - libraries - pm
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File: pm_init.c
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Date:: $
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#include <firm/pm.h>
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#include <twl/spi/common/pm_common.h>
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static OSTick tickINI = 0;
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static BOOL doneBackLight = FALSE;
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/*---------------------------------------------------------------------------*
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Name: PM_InitFIRM
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Description: set default parameters
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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void PM_InitFIRM( void )
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{
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PM_CheckINIFlag();
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// LED
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PMi_ResetFlags( REG_PMIC_LED_CTL_ADDR, PMIC_LED_CTL_AUTO_BLINK | PMIC_LED_CTL_BLINK_BY_SLEEP );
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PMi_SetParams( REG_PMIC_LVL4_BRT_ADDR,
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PMIC_LED_1_BRT_LEVEL_4_OFF | PMIC_LED_2_BRT_LEVEL_4_OFF,
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PMIC_LVL4_BRT_LED_1_MASK | PMIC_LVL4_BRT_LED_2_MASK
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);
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PMi_SetParams( REG_PMIC_LVL3_BRT_ADDR,
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PMIC_LED_1_BRT_LEVEL_3_100 | PMIC_LED_2_BRT_LEVEL_3_OFF,
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PMIC_LVL3_BRT_LED_1_MASK | PMIC_LVL3_BRT_LED_2_MASK
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);
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PMi_SetParams( REG_PMIC_LVL2_BRT_ADDR,
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PMIC_LED_1_BRT_LEVEL_2_OFF | PMIC_LED_1_BRT_LEVEL_2_100,
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PMIC_LVL2_BRT_LED_1_MASK | PMIC_LVL2_BRT_LED_2_MASK
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);
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PMi_SetParams( REG_PMIC_LVL1_BRT_ADDR,
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PMIC_LED_1_BRT_LEVEL_1_100 | PMIC_LED_2_BRT_LEVEL_1_100,
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PMIC_LVL1_BRT_LED_1_MASK | PMIC_LVL1_BRT_LED_2_MASK
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);
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// LCD ON
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PMi_SetFlags( REG_PMIC_CTL2_ADDR, PMIC_CTL2_VDD50 );
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// back light
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PMi_SetParams( REG_PMIC_BL_BRT_A_ADDR, PMIC_BACKLIGHT_BRIGHT_MAX, PMIC_BL_BRT_A_MASK ); // TODO: less brightness
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PMi_SetParams( REG_PMIC_BL_BRT_B_ADDR, PMIC_BACKLIGHT_BRIGHT_MAX, PMIC_BL_BRT_B_MASK ); // TODO: less brightness
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}
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/*---------------------------------------------------------------------------*
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Name: PM_CheckINIFlag
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Description: Check INI in GX_DISPSTAT (able to call before PM_InitFIRM)
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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void PM_CheckINIFlag(void)
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{
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if ( !tickINI )
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{
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if ( reg_GX_DISPSTAT & REG_GX_DISPSTAT_INI_MASK )
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{
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tickINI = OS_GetTick();
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}
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}
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}
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/*---------------------------------------------------------------------------*
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Name: PM_BackLightOn
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Description: power B/L on if not set yet
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Arguments: force TRUE: wait until valid condition
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FALSE not set unless valid condition
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Returns: None
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*---------------------------------------------------------------------------*/
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void PM_BackLightOn( BOOL force )
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{
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if ( doneBackLight )
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{
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return; // have already set
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}
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PM_CheckINIFlag();
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//OS_TPrintf("PM_BackLightOn: %d msec\n", (u32)OS_TicksToMilliSeconds(OS_GetTick()-tickINI));
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if ( force )
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{
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while ((u32)OS_TicksToMilliSeconds(OS_GetTick()-tickINI) < 34)
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{
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}
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PMi_SetFlags( REG_PMIC_CTL2_ADDR, PMIC_CTL2_BACK_LIGHT_1 | PMIC_CTL2_BACK_LIGHT_2 );
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doneBackLight = TRUE;
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//OS_TPrintf("PM_BackLightOn: Done\n");
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}
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else if ((u32)OS_TicksToMilliSeconds(OS_GetTick()-tickINI) >= 34)
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{
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PMi_SetFlags( REG_PMIC_CTL2_ADDR, PMIC_CTL2_BACK_LIGHT_1 | PMIC_CTL2_BACK_LIGHT_2 );
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doneBackLight = TRUE;
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//OS_TPrintf("PM_BackLightOn: Done\n");
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}
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}
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