void
uartinit(void)
{
char *p;
// Turn off the FIFO
outb(COM1+2, 0);
// 9600 baud, 8 data bits, 1 stop bit, parity off.
outb(COM1+3, 0x80); // Unlock divisor
outb(COM1+0, 115200/9600);
outb(COM1+1, 0);
outb(COM1+3, 0x03); // Lock divisor, 8 data bits.
outb(COM1+4, 0);
outb(COM1+1, 0x01); // Enable receive interrupts.
// If status is 0xFF, no serial port.
if(inb(COM1+5) == 0xFF)
return;
uart = 1;
// Acknowledge pre-existing interrupt conditions;
// enable interrupts.
inb(COM1+2);
inb(COM1+0);
picenable(IRQ_COM1);
ioapicenable(IRQ_COM1, 0);
// Announce that we're here.
for(p="xv6...\n"; *p; p++)
uartputc(*p);
}
void
mouseinit(void)
{
uchar statustemp;
mouse_wait(1);
outb(0x64, 0xa8); //激活鼠标接口
mouse_wait(1); //激活中断
outb(0x64, 0x20);
mouse_wait(0);
statustemp = (inb(0x60) | 2);
mouse_wait(0);
outb(0x64, 0x60);
mouse_wait(1);
outb(0x60, statustemp);
mouse_write(0xf6); //设置鼠标为默认设置
mouse_read();
mouse_write(0xf3); //设置鼠标采样率
mouse_read();
mouse_write(10);
mouse_read();
mouse_write(0xf4);
mouse_read();
initlock(&mouselock, "mouse");
picenable(IRQ_MOUSE);
ioapicenable(IRQ_MOUSE, 0);
count = 0;
lastclicktick = lastdowntick = -1000;
}
void
timerinit(void) {
// Interrupt 100 times/sec.
outb(TIMER_MODE, TIMER_SEL0 | TIMER_RATEGEN | TIMER_16BIT);
outb(IO_TIMER1, TIMER_DIV(100) % 256);
outb(IO_TIMER1, TIMER_DIV(100) / 256);
picenable(IRQ_TIMER);
}
void consoleinit(void) {
initlock(&cons.lock, "console");
historyList.size = 0;
devsw[CONSOLE].write = consolewrite;
devsw[CONSOLE].read = consoleread;
cons.locking = 1;
picenable(IRQ_KBD);
ioapicenable(IRQ_KBD, 0);
}
void mouseinit()
{
outb(0x64, 0xa8);
outb(0x64, 0xd4);
outb(0x60, 0xf4);
outb(0x64, 0x60);
outb(0x60, 0x47);
setMousePosition(SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2);
initlock(&mouse_lock, "mouse");
picenable(IRQ_MOUSE);
ioapicenable(IRQ_MOUSE, 0);
}
void
mouseinit()
{
outb( 0x64 , 0xa8 );
outb( 0x64 , 0xd4 );
outb( 0x60 , 0xf4 );
outb( 0x64 , 0x60 );
outb( 0x60 , 0x47 );
initlock(&mouse_lock,"mouse");
picenable(IRQ_MOUS);
ioapicenable(IRQ_MOUS, 0);
}
void
consoleinit(void) {
initlock(&cons.lock, "console");
initlock(&input.lock, "input");
devsw[CONSOLE].write = consolewrite;
devsw[CONSOLE].read = consoleread;
cons.locking = 1;
picenable(IRQ_KBD);
ioapicenable(IRQ_KBD, 0);
}
void cmosinit() {
outb(CMOS_CTRL_PORT, CMOS_STAT_B_REG);
outb(CMOS_DATA_PORT, 0x10); // IRQ 8 on update
picenable(IRQ_RTC);
ioapicenable(IRQ_RTC, 1);
// cprintf("CMOS time %d-%d-%d %d:%d.%d\n", cmos_time.year + 2000, cmos_time.month,
// cmos_time.day, cmos_time.hour, cmos_time.min, cmos_time.sec);
// cprintf("Julian date: %d\n", cmos_to_julian());
}
void
soundcardinit(ushort addr)
{
uint tmp, cur, vendorID;
ushort vendorID1, vendorID2;
//Initializing the Audio I/O Space
tmp = pciread(addr, PCI_CONFIG_SPACE_STA_CMD);
pciwrite(addr, PCI_CONFIG_SPACE_STA_CMD, tmp | 0x5);
SOUND_NAMBA_DATA = pciread(addr, PCI_CONFIG_SPACE_NAMBA) & (~0x1);
SOUND_NABMBA_DATA = pciread(addr, PCI_CONFIG_SPACE_NABMBA) & (~0x1);
cprintf("AUDIO I/O Space initialized successfully!\n");
//Removing AC_RESET
outb(SOUND_NABMBA_DATA + NABMBA_GLOB_CNT, 0x2);
cprintf("AC_RESET removed successfully!\n");
//Reading Codec Ready Status
cur = 0;
cprintf("Waiting for Codec Ready Status...\n");
while (!(inw(SOUND_NABMBA_DATA + NABMBA_GLOB_STA) & 0X100) && cur < 1000)
{
cur++;
}
if (cur == 1000)
{
cprintf("\nAudio Init Failed\n");
return;
}
cprintf("Codec is ready!\n");
//Determine Audio Codec
tmp = inw(NAMBA_PCMV);
cprintf("%x\n", tmp);
outw(NAMBA_PCMV, 0x8000);
if (inw(NAMBA_PCMV) != 0x8000)
{
cprintf("Audio Codec Function not found!\n");
return;
}
outw(NAMBA_PCMV, tmp);
cprintf("Audio Codec Function is found, current volume is %x.\n", tmp);
//Reading the Audio Codec Vendor ID
vendorID1 = inw(SOUND_NAMBA_DATA + NAMBA_PCVID1);
vendorID2 = inw(SOUND_NAMBA_DATA + NAMBA_PCVID2);
cprintf("Audio Codec Vendor ID read successfully!\n");
//Programming the PCI Audio Subsystem ID
vendorID = (vendorID2 << 16) + vendorID1;
pciwrite(addr, PCI_CONFIG_SPACE_SID_SVID, vendorID);
//Initailize Interruption
initlock(&soundLock, "audio");
picenable(IRQ_SOUND);
ioapicenable(IRQ_SOUND, ncpu - 1);
outw(NAMBA_PCMV, 0x1f1f);
soundQueue = 0;
}
void consoleinit(void)
{
picenable(IRQ_KBD);
ioapicenable(IRQ_KBD, 0);
}
