63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/*
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* screeninit.c
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*
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* Screen init code by dark_samus, bil1s, Normmatt, delebile and others.
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* Screen deinit code by tiniVi.
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*/
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#include "screeninit.h"
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#include "config.h"
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#include "memory.h"
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#include "draw.h"
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#include "i2c.h"
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#include "../build/screeninit.h"
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vu32 *arm11Entry = (u32 *)0x1FFFFFF8;
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void deinitScreens(void)
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{
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void __attribute__((naked)) ARM11(void)
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{
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//Disable interrupts
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__asm(".word 0xF10C01C0");
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//Clear ARM11 entry offset
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*arm11Entry = 0;
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//Shutdown LCDs
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*(vu32 *)0x10202A44 = 0;
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*(vu32 *)0x10202244 = 0;
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*(vu32 *)0x10202014 = 0;
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//Wait for the entry to be set
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while(!*arm11Entry);
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//Jump to it
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((void (*)())*arm11Entry)();
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}
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if(PDN_GPU_CNT != 1)
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{
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*arm11Entry = (u32)ARM11;
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while(*arm11Entry);
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}
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}
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void initScreens(void)
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{
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if(PDN_GPU_CNT == 1)
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{
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memcpy((void *)SCREENINIT_ADDRESS, screeninit, screeninit_size);
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//Write brightness level for the stub to pick up
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*(vu32 *)(SCREENINIT_ADDRESS + 8) = MULTICONFIG(0);
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*arm11Entry = SCREENINIT_ADDRESS;
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while(*arm11Entry);
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//Turn on backlight
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i2cWriteRegister(I2C_DEV_MCU, 0x22, 0x2A);
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}
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clearScreens();
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} |