/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.driver.video.ati.radeon;
import java.security.AccessController;
import java.security.PrivilegedAction;
import javax.naming.NameNotFoundException;
import org.apache.log4j.Logger;
import org.jnode.awt.util.BitmapGraphics;
import org.jnode.driver.DriverException;
import org.jnode.driver.bus.pci.PCIBaseAddress;
import org.jnode.driver.bus.pci.PCIDevice;
import org.jnode.driver.bus.pci.PCIHeaderType0;
import org.jnode.driver.bus.pci.PCIRomAddress;
import org.jnode.driver.video.HardwareCursorAPI;
import org.jnode.driver.video.spi.DpmsState;
import org.jnode.driver.video.vgahw.DisplayMode;
import org.jnode.naming.InitialNaming;
import org.jnode.system.resource.MemoryResource;
import org.jnode.system.resource.MemoryScanner;
import org.jnode.system.resource.ResourceManager;
import org.jnode.system.resource.ResourceNotFreeException;
import org.jnode.system.resource.ResourceOwner;
import org.jnode.util.NumberUtils;
import org.vmmagic.unboxed.Address;
/**
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
final class RadeonCore implements RadeonConstants {
/** My logger */
private static final Logger log = Logger.getLogger(RadeonCore.class);
/** The driver */
private final RadeonDriver driver;
/** Memory mapped IO space */
private final MemoryResource mmio;
/** All video RAM of the device */
private final MemoryResource deviceRam;
/** Video ROM (can be null) */
private final MemoryResource rom;
/** Register accessor */
private final RadeonVgaIO vgaIO;
/** Register state before opening a surface */
private final RadeonVgaState oldVgaState;
/** Register state after opening a surface */
private final RadeonVgaState currentState;
/** Hardware cursor implementation */
private final RadeonHardwareCursor hwCursor;
/** General Radeon Framebuffer info */
private final FBInfo fbinfo;
/** The acceleration functions */
private final RadeonAcceleration accel;
/**
* @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);
}
/**
* 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);
}
}
/**
* Close the SVGA screen
*
* @see org.jnode.driver.video.Surface#close()
*/
final synchronized void close() {
hwCursor.close();
// Save the screen state and turn of the screen
final DpmsState dpmsState = getDpms();
setDpms(DpmsState.OFF);
try {
oldVgaState.restoreToVGA(vgaIO);
} finally {
// Restore the screen
setDpms(dpmsState);
}
driver.close(this);
}
/**
* Release all resources
*
*/
final void release() {
mmio.release();
deviceRam.release();
if (rom != null) {
rom.release();
}
}
/**
* Gets the hardware cursor API implementation.
*/
final HardwareCursorAPI getHardwareCursor() {
return hwCursor;
}
/**
* Read the framebuffer memory size.
*/
private final int readMemorySize() {
return vgaIO.getReg32(CONFIG_MEMSIZE) & CONFIG_MEMSIZE_MASK;
}
/**
* Gets the monitor power state.
*/
final DpmsState getDpms() {
final int val = vgaIO.getReg32(CRTC_EXT_CNTL);
final int val2 = vgaIO.getReg32(LVDS_GEN_CNTL);
final boolean display;
final boolean hsync;
final boolean vsync;
if (fbinfo.getDviDispType() == MonitorType.LCD) {
display = ((val2 & LVDS_DISPLAY_DIS) == 0);
hsync = vsync = display;
} else {
display = ((val & CRTC_DISPLAY_DIS) == 0);
hsync = ((val & CRTC_HSYNC_DIS) == 0);
vsync = ((val & CRTC_VSYNC_DIS) == 0);
}
return new DpmsState(display, hsync, vsync);
}
/**
* Sets the monitor power state.
*/
final void setDpms(DpmsState state) {
int crtc_ext_cntl = vgaIO.getReg32(CRTC_EXT_CNTL);
int lvds_gen_cntl = vgaIO.getReg32(LVDS_GEN_CNTL);
// log.debug("Get LVDS_GEN_CTRL 0x" + NumberUtils.hex(lvds_gen_cntl));
crtc_ext_cntl &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS | CRTC_VSYNC_DIS);
lvds_gen_cntl &= ~(LVDS_DISPLAY_DIS | LVDS_ON);
if (state.isDisplay()) {
lvds_gen_cntl |= (LVDS_BLON | LVDS_ON);
} else {
crtc_ext_cntl |= CRTC_DISPLAY_DIS;
lvds_gen_cntl |= LVDS_DISPLAY_DIS;
}
if (!state.isHsync()) {
crtc_ext_cntl |= CRTC_HSYNC_DIS;
}
if (!state.isVsync()) {
crtc_ext_cntl |= CRTC_VSYNC_DIS;
}
if (fbinfo.getDviDispType() == MonitorType.LCD) {
vgaIO.setReg32(LVDS_GEN_CNTL, lvds_gen_cntl);
log.debug("Set LVDS_GEN_CTRL to 0x" + NumberUtils.hex(lvds_gen_cntl));
} else {
vgaIO.setReg32(CRTC_EXT_CNTL, crtc_ext_cntl);
log.debug("Set CRTC_EXT_CNTL to 0x" + NumberUtils.hex(crtc_ext_cntl));
}
}
/**
* Sets the palette to 8-bit RGB values.
*
* @param brightness
*/
private final void setPalette(float brightness) {
for (int i = 0; i < 256; i++) {
final int v = Math.min(255, (int) (i * brightness));
vgaIO.setPaletteEntry(i, v, v, v);
}
}
/**
* 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);
}
/**
* 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;
}
}