/** @see org.jnode.driver.video.vgahw.VgaIO#setDACData(int) */
public void setDACData(int data) {
ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
ports.outPortByte(HDR_HIDDEN_DAC_REGISTER, data);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getDACData() */
public int getDACData() {
ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
return ports.inPortByte(HDR_HIDDEN_DAC_REGISTER);
}
/** Not implemented by kvm's cirrus emulation! */
public boolean getDDC1Bit() {
ports.outPortByte(SRX_SEQUENCER_INDEX, SR8_DDC2B);
int data = ports.inPortByte(SRX_SEQUENCER_DATA) & 0xFF;
if ((data & 0x40) == 0) {
log.error("DDC2B/I2C configured in EEPROM mode!");
return false;
}
// Anything else to check?
return (data & (1 << 7)) != 0;
}
/**
* Gets the contents of the select register
*
* @return the contents of the select register
*/
public final int getSelectReg() {
return cmdBlock.inPortByte(cmdBlockStart + RW8_SELECT_OFFSET);
}
/** Gets the combined cylinder value out the the cylinder LSB and MSB registers. */
protected final int getCylinderRegs() {
final int lsb = cmdBlock.inPortByte(cmdBlockStart + RW8_CYLINDER_LSB_OFFSET);
final int msb = cmdBlock.inPortByte(cmdBlockStart + RW8_CYLINDER_MSB_OFFSET);
return ((msb & 0xFF) << 8) | (lsb & 0xFF);
}
/**
* Gets the contents of the LBA high register
*
* @return the contents of the LBA high register
*/
public final int getLbaHighReg() {
return cmdBlock.inPortByte(cmdBlockStart + RW8_LBA_HIGH_OFFSET);
}
/**
* Gets the contents of the LBA mid register
*
* @return the contents of the LBA mid register
*/
public final int getLbaMidReg() {
return cmdBlock.inPortByte(cmdBlockStart + RW8_LBA_MID_OFFSET);
}
/**
* Gets the contents of the LBA low register
*
* @return the contents of the LBA low register
*/
public final int getLbaLowReg() {
return cmdBlock.inPortByte(cmdBlockStart + RW8_LBA_LOW_OFFSET);
}
/**
* Gets the contents of the sector register
*
* @return the contents of the sector register
*/
public final int getSectorReg() {
return cmdBlock.inPortByte(cmdBlockStart + RW8_SECTOR_OFFSET);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getSEQ(int) */
public int getSEQ(int index) {
ports.outPortByte(SRX_SEQUENCER_INDEX, (byte) index);
return ports.inPortByte(SRX_SEQUENCER_DATA) & 0xff;
}
/** Gets the start of frame (SOF) modify register */
protected final int getStartOfFrame() {
return io.inPortByte(base + USBSOF);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getCRT(int) */
public int getCRT(int index) {
ports.outPortByte(CRX_CRTC_INDEX, index);
return ports.inPortByte(CRX_CRTC_DATA);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getSTAT() */
public int getSTAT() {
return ports.inPortByte(STAT_INPUT_STATUS_REGISTER1) & 0xff;
}
/**
* Gets the status of the IDE controller. Any pending IRQ is reset.
*
* @return the status of the IDE controller. Any pending IRQ is reset.
*/
public final int getStatusReg() {
return cmdBlock.inPortByte(cmdBlockStart + R8_STATUS_OFFSET);
}
/**
* Gets the contents of the error register
*
* @return the contents of the error register
*/
public final int getErrorReg() {
return cmdBlock.inPortByte(cmdBlockStart + R8_ERROR_OFFSET);
}
/**
* Gets the alternative status of the IDE controller. Any pending IRQ is NOT reset.
*
* @return the alternative status of the IDE controller
*/
public final int getAltStatusReg() {
return ctrlBlock.inPortByte(altStatusPort);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getMISC() */
public int getMISC() {
return ports.inPortByte(MISC_MISCELLANEOUS_OUTPUT_READ) & 0xff;
}