/** Release all resources */
final void release() {
mmio.release();
deviceRam.release();
if (rom != null) {
rom.release();
}
}
/**
* Look for the ROM in the ISA region.
*
* @param rm
* @return The claimed ROM region, or null if not found.
*/
private final MemoryResource findRom(final ResourceOwner owner, final ResourceManager rm)
throws ResourceNotFreeException {
final MemoryScanner scanner =
AccessController.doPrivileged(
new PrivilegedAction<MemoryScanner>() {
public MemoryScanner run() {
return rm.getMemoryScanner();
}
});
final Address start = Address.fromIntZeroExtend(0xC0000);
final Address end = Address.fromIntZeroExtend(0xF0000);
final int size = end.toWord().sub(start.toWord()).toInt();
final int stepSize = 0x1000;
int offset = 0;
while (offset < size) {
final Address romAddr;
// Search for BIOS expansion
romAddr =
scanner.findInt8Array(
start.add(offset),
size - offset,
BIOS_ROM_SIGNATURE,
0,
BIOS_ROM_SIGNATURE.length,
stepSize);
if (romAddr == null) {
return null;
} else {
offset = romAddr.toWord().sub(start.toWord()).toInt() + stepSize;
}
// Search for ATI signature
final Address atiSigAddr;
atiSigAddr =
scanner.findInt8Array(romAddr, 128, ATI_ROM_SIGNATURE, 0, ATI_ROM_SIGNATURE.length, 1);
if (atiSigAddr == null) {
continue;
}
// We found it
// Claim a small region, so we can read the size.
MemoryResource mem;
mem = rm.claimMemoryResource(owner, romAddr, 4, ResourceManager.MEMMODE_NORMAL);
final int blocks = mem.getByte(2) & 0xFF;
final int romSize = blocks * 512;
mem.release();
log.info(
"Found ATI ROM at 0x"
+ NumberUtils.hex(romAddr.toInt())
+ " size="
+ NumberUtils.toBinaryByte(romSize));
return rm.claimMemoryResource(owner, romAddr, romSize, ResourceManager.MEMMODE_NORMAL);
}
return null;
}
/**
* Verify the ROM signature as being an ATI BIOS expansion area.
*
* @param rom
* @return
*/
private final boolean verifyBiosSignature(MemoryResource rom) {
if ((rom.getByte(0) & 0xFF) != 0x55) {
return false;
}
if ((rom.getByte(1) & 0xFF) != 0xAA) {
return false;
}
return true;
}
private static int getRSDTVersion(ResourceManager rm, Address start) {
final MemoryResource res;
try {
res = rm.claimMemoryResource(ResourceOwner.SYSTEM, start, 20, ResourceManager.MEMMODE_NORMAL);
} catch (ResourceNotFreeException e) {
// Cannot claim memory
return 1;
}
try {
return res.getByte(15);
} finally {
res.release();
}
}
public EEPRO100TxFD(ResourceManager rm) {
// Create a large enough buffer
final int size = (TxFDSize + DataBufferSize) + 16 /* alignment */;
this.data = new byte[size];
this.mem = rm.asMemoryResource(data);
final Address memAddr = mem.getAddress();
this.firstDPDOffset = 0;
this.firstDPDAddress = memAddr.add(firstDPDOffset);
}
final void setCount(int value) {
mem.setInt(12, value);
}
final int getCount() {
return mem.getInt(12);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getGRAF(int) */
public int getGRAF(int index) {
mmio.setByte(NV8_GRPHIND, (byte) index);
return mmio.getByte(NV8_GRPHDAT) & 0xff;
}
final int getLink() {
return mem.getInt(4);
}
final int getCommand() {
return mem.getInt(2);
}
final int getStatus() {
return mem.getInt(0);
}
// put paramater array into the cmd buffer
void setParams(byte[] p) {
for (int i = 0; i < p.length; i++) {
mem.setShort(i + 8, p[i]);
}
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getCRT(int) */
public int getCRT(int index) {
mmio.setByte(NV8_CRTCIND, (byte) index);
return mmio.getByte(NV8_CRTCDAT) & 0xff;
}
/**
* Open the given configuration
*
* @param config
*/
final RadeonSurface open(RadeonConfiguration config) throws ResourceNotFreeException {
// Get the best matching config
config = fbinfo.getBestConfiguration(config);
log.debug("BestConfig:" + config);
// Calculate new configuration
final DisplayMode mode = config.getDisplayMode();
final int width = mode.getWidth();
final int height = mode.getHeight();
final int pixels = width * height;
final int bitsPerPixel = config.getBitsPerPixel();
final int bytesPerLine = config.getBytesPerLine();
final int bytesPerScreen = bytesPerLine * height;
log.debug("PLLInfo:" + fbinfo.getPllInfo());
currentState.calcForConfiguration(config, vgaIO, fbinfo);
// Disable video interrupts
vgaIO.disableIRQ();
// Allocate the screen memory
final MemoryResource screen = claimDeviceMemory(bytesPerScreen, 4 * 1024);
// final MemoryResource screen = deviceRam;
log.debug(
"Screen at 0x"
+ NumberUtils.hex(screen.getOffset().toInt())
+ ", size 0x"
+ NumberUtils.hex(screen.getSize().toInt()));
// if (true) { throw new ResourceNotFreeException("TEST"); }
// Save the current state
oldVgaState.saveFromVGA(vgaIO);
log.debug("oldState:" + oldVgaState);
// Turn off the screen
final DpmsState dpmsState = getDpms();
setDpms(DpmsState.OFF);
try {
// Set the new configuration
currentState.restoreToVGA(vgaIO);
log.debug("NewState: " + currentState);
vgaIO.setReg32(CRTC_OFFSET, (int) screen.getOffset().toInt());
if (fbinfo.hasCRTC2) {
vgaIO.setReg32(CRTC2_OFFSET, (int) screen.getOffset().toInt());
}
// Set the 8-bit palette
setPalette(1.0f);
// Create the graphics helper & clear the screen
final BitmapGraphics bitmapGraphics;
switch (bitsPerPixel) {
case 8:
bitmapGraphics =
BitmapGraphics.create8bppInstance(screen, width, height, bytesPerLine, 0);
screen.setByte(0, (byte) 0, pixels);
break;
case 16:
bitmapGraphics =
BitmapGraphics.create16bppInstance(screen, width, height, bytesPerLine, 0);
screen.setShort(0, (byte) 0, pixels);
break;
case 24:
bitmapGraphics =
BitmapGraphics.create24bppInstance(screen, width, height, bytesPerLine, 0);
screen.setInt24(0, 0, pixels);
break;
case 32:
bitmapGraphics =
BitmapGraphics.create32bppInstance(screen, width, height, bytesPerLine, 0);
screen.setInt(0, 0, pixels);
break;
default:
throw new IllegalArgumentException("Invalid bits per pixel " + bitsPerPixel);
}
return new RadeonSurface(this, config, bitmapGraphics, screen, accel);
} finally {
// Turn the screen back on
setDpms(dpmsState);
}
}
/** @see org.jnode.driver.video.vgahw.VgaIO#setATTIndex(int) */
public void setATTIndex(int index) {
getSTAT();
mmio.setByte(NV8_ATTRINDW, (byte) (index | 0x20));
}
/** @see org.jnode.driver.video.vgahw.VgaIO#setATT(int, int) */
public void setATT(int index, int val) {
getSTAT();
mmio.setByte(NV8_ATTRINDW, (byte) (index | 0x20));
mmio.setByte(NV8_ATTRDATW, (byte) val);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getSTAT() */
public int getSTAT() {
return mmio.getByte(NV8_INSTAT1) & 0xff;
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getSEQ(int) */
public int getSEQ(int index) {
mmio.setByte(NV8_SEQIND, (byte) index);
return mmio.getByte(NV8_SEQDAT) & 0xff;
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getMISC() */
public int getMISC() {
return mmio.getByte(NV8_MISCR) & 0xff;
}
void bufferAddress0(int address) {
mem.setInt(16, address);
}
void bufferSize0(int size) {
mem.setInt(20, size);
}
/**
* Claim a portion of RAM on the device.
*
* @param size
* @param align
* @return
* @throws IndexOutOfBoundsException
* @throws ResourceNotFreeException
*/
final MemoryResource claimDeviceMemory(int size, int align)
throws IndexOutOfBoundsException, ResourceNotFreeException {
return deviceRam.claimChildResource(size, align);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getATT(int) */
public int getATT(int index) {
getSTAT();
mmio.setByte(NV8_ATTRINDW, (byte) (index | 0x20));
return mmio.getByte(NV8_ATTRDATR) & 0xff;
}
/**
* Gets an 32-bit MMIO value
*
* @param index
*/
final void setReg32(int index, int value) {
mmio.setInt(index, value);
}
final void setStatus(int value) {
mem.setInt(0, value);
}
/**
* @param driver
* @param architecture
* @param model
* @param device
*/
public RadeonCore(RadeonDriver driver, int architecture, String model, PCIDevice device)
throws ResourceNotFreeException, DriverException {
this.driver = driver;
this.fbinfo = new FBInfo(architecture);
final PCIHeaderType0 pciCfg = device.getConfig().asHeaderType0();
final PCIBaseAddress ioAddr = pciCfg.getBaseAddresses()[2];
final PCIBaseAddress fbAddr = pciCfg.getBaseAddresses()[0];
final PCIRomAddress romAddr = pciCfg.getRomAddress();
log.info("Found ATI " + model + ", chipset 0x" + NumberUtils.hex(pciCfg.getRevision()));
try {
final ResourceManager rm = InitialNaming.lookup(ResourceManager.NAME);
final int ioBase = (int) ioAddr.getMemoryBase();
final int ioSize = ioAddr.getSize();
final int fbBase = (int) fbAddr.getMemoryBase() /* & 0xFF800000 */;
// Map Memory Mapped IO
this.mmio =
rm.claimMemoryResource(
device, Address.fromIntZeroExtend(ioBase), ioSize, ResourceManager.MEMMODE_NORMAL);
this.vgaIO = new RadeonVgaIO(mmio);
final int memSize = readMemorySize();
log.info("Memory size " + NumberUtils.toBinaryByte(memSize));
this.accel = new RadeonAcceleration(vgaIO);
// Map Device RAM
this.deviceRam =
rm.claimMemoryResource(
device, Address.fromIntZeroExtend(fbBase), memSize, ResourceManager.MEMMODE_NORMAL);
vgaIO.setVideoRam(deviceRam);
// Find ROM
MemoryResource rom = null;
if (romAddr != null) {
romAddr.setEnabled(true);
if (romAddr.isEnabled()) {
rom =
rm.claimMemoryResource(
device,
Address.fromIntZeroExtend(romAddr.getRomBase()),
romAddr.getSize(),
ResourceManager.MEMMODE_NORMAL);
if (!verifyBiosSignature(rom)) {
log.info("Signature mismatch");
rom.release();
rom = null;
}
} else {
log.debug("Failed to enabled expansion ROM");
}
}
if (rom == null) {
// Use the ISA regions rom instead
rom = findRom(device, rm);
}
this.rom = rom;
log.debug(
"Found ATI "
+ model
+ ", FB at 0x"
+ NumberUtils.hex(fbBase)
+ "s0x"
+ NumberUtils.hex(memSize)
+ ", MMIO at 0x"
+ NumberUtils.hex(ioBase)
+ ", ROM "
+ pciCfg.getRomAddress());
fbinfo.readMonitorInfo(vgaIO);
if (this.rom != null) {
log.info("ROM[0-3] 0x" + NumberUtils.hex(rom.getInt(0)));
// Read monitor information
fbinfo.readFPIInfo(rom);
}
} catch (NameNotFoundException ex) {
throw new ResourceNotFreeException(ex);
}
// Read the current state of the device
this.oldVgaState = new RadeonVgaState(architecture, fbinfo.hasCRTC2, vgaIO);
this.currentState = new RadeonVgaState(architecture, fbinfo.hasCRTC2, vgaIO);
// Claim the first 128K for VGA only
deviceRam.claimChildResource(0, 128 * 1024, false);
// Allocate the hardware cursor
this.hwCursor = new RadeonHardwareCursor(this, vgaIO);
}
final void setCommand(int value) {
mem.setInt(2, value);
}
final void setDescriptorAddress(int value) {
mem.setInt(8, value);
}
final void setLink(int value) {
mem.setInt(4, value);
}
/** @see org.jnode.driver.video.vgahw.VgaIO#getDACData() */
public int getDACData() {
return mmio.getByte(PDIO_OFS + DAC_D) & 0xFF;
}
