summaryrefslogtreecommitdiff
path: root/src/ct_bank.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/ct_bank.c')
-rw-r--r--src/ct_bank.c626
1 files changed, 626 insertions, 0 deletions
diff --git a/src/ct_bank.c b/src/ct_bank.c
new file mode 100644
index 0000000..1e478ee
--- /dev/null
+++ b/src/ct_bank.c
@@ -0,0 +1,626 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/ct_bank.c,v 1.6 2002/01/25 21:55:58 tsi Exp $ */
+
+/*
+ * Copyright 1997
+ * Digital Equipment Corporation. All rights reserved.
+ * This software is furnished under license and may be used and copied only in
+ * accordance with the following terms and conditions. Subject to these
+ * conditions, you may download, copy, install, use, modify and distribute
+ * this software in source and/or binary form. No title or ownership is
+ * transferred hereby.
+ * 1) Any source code used, modified or distributed must reproduce and retain
+ * this copyright notice and list of conditions as they appear in the
+ * source file.
+ *
+ * 2) No right is granted to use any trade name, trademark, or logo of Digital
+ * Equipment Corporation. Neither the "Digital Equipment Corporation" name
+ * nor any trademark or logo of Digital Equipment Corporation may be used
+ * to endorse or promote products derived from this software without the
+ * prior written permission of Digital Equipment Corporation.
+ *
+ * 3) This software is provided "AS-IS" and any express or implied warranties,
+ * including but not limited to, any implied warranties of merchantability,
+ * fitness for a particular purpose, or non-infringement are disclaimed. In
+ * no event shall DIGITAL be liable for any damages whatsoever, and in
+ * particular, DIGITAL shall not be liable for special, indirect,
+ * consequential, or incidental damages or damages for lost profits, loss
+ * of revenue or loss of use, whether such damages arise in contract,
+ * negligence, tort, under statute, in equity, at law or otherwise, even if
+ * advised of the possibility of such damage.
+ */
+#define PSZ 8
+
+/*
+ * Define DIRECT_REGISTER_ACCESS if you want to bypass the wrapped register
+ * access functions
+ */
+/* #define DIRECT_REGISTER_ACCESS */
+
+/* All drivers should typically include these */
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "xf86_ansic.h"
+
+/* Everything using inb/outb, etc needs "compiler.h" */
+#include "compiler.h"
+
+/* Drivers for PCI hardware need this */
+#include "xf86PciInfo.h"
+
+/* Drivers that need to access the PCI config space directly need this */
+#include "xf86Pci.h"
+
+/* Driver specific headers */
+#include "ct_driver.h"
+
+#ifdef __arm32__
+/*#include <machine/sysarch.h>*/
+#define arm32_drain_writebuf() sysarch(1, 0)
+#define ChipsBank(pScreen) CHIPSPTR(xf86Screens[pScreen->myNum])->Bank
+#endif
+
+#ifdef DIRECT_REGISTER_ACCESS
+int
+CHIPSSetRead(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 3) & 0xFF) << 8) | 0x10));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+
+int
+CHIPSSetWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 3) & 0xFF) << 8) | 0x11));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+
+int
+CHIPSSetReadWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 3) & 0xFF) << 8) | 0x10));
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 3) & 0xFF) << 8) | 0x11));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSSetReadPlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 5) & 0xFF) << 8) | 0x10));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSSetWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 5) & 0xFF) << 8) | 0x11));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSSetReadWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 5) & 0xFF) << 8) | 0x10));
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 5) & 0xFF) << 8) | 0x11));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetRead(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 3) & 0xFF) << 8) | 0x10));
+ outb(cPtr->PIOBase + 0x3D6, 0x0C);
+ tmp = inb(cPtr->PIOBase + 0x3D7) & 0xEF;
+ outw(cPtr->PIOBase + 0x3D6, (((((bank >> 1) & 0x10) | tmp) << 8) | 0x0C));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+
+int
+CHIPSWINSetWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 3) & 0xFF) << 8) | 0x11));
+ outb(cPtr->PIOBase + 0x3D6, 0x0C);
+ tmp = inb(cPtr->PIOBase + 0x3D7) & 0xBF;
+ outw(cPtr->PIOBase + 0x3D6, (((((bank << 1) & 0x40) | tmp) << 8) | 0x0C));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetReadWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 3) & 0xFF) << 8) | 0x10));
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 3) & 0xFF) << 8) | 0x11));
+ outb(cPtr->PIOBase + 0x3D6, 0x0C);
+ tmp = inb(cPtr->PIOBase + 0x3D7) & 0xAF;
+ outw(cPtr->PIOBase + 0x3D6,
+ (((((bank << 1) & 0x40) | ((bank >> 1) & 0x10) | tmp) << 8) | 0x0C));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetReadPlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 5) & 0xFF) << 8) | 0x10));
+ outb(cPtr->PIOBase + 0x3D6, 0x0C);
+ tmp = inb(cPtr->PIOBase + 0x3D7) & 0xEF;
+ outw(cPtr->PIOBase + 0x3D6, (((((bank << 1) & 0x10) | tmp) << 8) | 0x0C));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 5) & 0xFF) << 8) | 0x11));
+ outb(cPtr->PIOBase + 0x3D6, 0x0C);
+ tmp = inb(cPtr->PIOBase + 0x3D7) & 0xBF;
+ outw(cPtr->PIOBase + 0x3D6, (((((bank << 3) & 0x40) | tmp) << 8) | 0x0C));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetReadWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 5) & 0xFF) << 8) | 0x10));
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 5) & 0xFF) << 8) | 0x11));
+ outb(cPtr->PIOBase + 0x3D6, 0x0C);
+ tmp = inb(cPtr->PIOBase + 0x3D7) & 0xAF;
+ outw(cPtr->PIOBase + 0x3D6,
+ (((((bank << 3) & 0x40) | ((bank << 1) & 0x10) | tmp) << 8) | 0x0C));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSHiQVSetReadWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ outw(cPtr->PIOBase + 0x3D6, (((bank & 0x7F) << 8) | 0x0E));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSHiQVSetReadWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ outw(cPtr->PIOBase + 0x3D6, ((((bank << 2) & 0x7F) << 8) | 0x0E));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != ChipsBank(pScreen)) {
+ arm32_drain_writebuf();
+ ChipsBank(pScreen) = bank;
+ }
+#endif
+
+ return 0;
+}
+
+#else /* DIRECT_REGISTER_ACCESS */
+
+int
+CHIPSSetRead(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ cPtr->writeXR(cPtr, 0x10, ((bank << 3) & 0xFF));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+
+int
+CHIPSSetWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ cPtr->writeXR(cPtr, 0x11, ((bank << 3) & 0xFF));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+
+int
+CHIPSSetReadWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ cPtr->writeXR(cPtr, 0x10, ((bank << 3) & 0xFF));
+ cPtr->writeXR(cPtr, 0x11, ((bank << 3) & 0xFF));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSSetReadPlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ cPtr->writeXR(cPtr, 0x10, ((bank << 5) & 0xFF));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSSetWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ cPtr->writeXR(cPtr, 0x11, ((bank << 5) & 0xFF));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSSetReadWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ cPtr->writeXR(cPtr, 0x10, ((bank << 5) & 0xFF));
+ cPtr->writeXR(cPtr, 0x11, ((bank << 5) & 0xFF));
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetRead(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ cPtr->writeXR(cPtr, 0x10, ((bank << 3) & 0xFF));
+ tmp = cPtr->readXR(cPtr, 0x0C) & 0xEF;
+ cPtr->writeXR(cPtr, 0x0C, ((bank >> 1) & 0x10) | tmp);
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+
+int
+CHIPSWINSetWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ cPtr->writeXR(cPtr, 0x11, ((bank << 3) & 0xFF));
+ tmp = cPtr->readXR(cPtr, 0x0C) & 0xBF;
+ cPtr->writeXR(cPtr, 0x0C, ((bank << 1) & 0x40) | tmp);
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetReadWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ cPtr->writeXR(cPtr, 0x10, ((bank << 3) & 0xFF));
+ cPtr->writeXR(cPtr, 0x11, ((bank << 3) & 0xFF));
+ tmp = cPtr->readXR(cPtr, 0x0C) & 0xAF;
+ cPtr->writeXR(cPtr, 0x0C, ((bank << 1) & 0x40) | ((bank >> 1) & 0x10) | tmp);
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetReadPlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ cPtr->writeXR(cPtr, 0x10, ((bank << 5) & 0xFF));
+ tmp = cPtr->readXR(cPtr, 0x0C) & 0xEF;
+ cPtr->writeXR(cPtr, 0x0C, ((bank << 1) & 0x10) | tmp);
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ cPtr->writeXR(cPtr, 0x11, ((bank << 5) & 0xFF));
+ tmp = cPtr->readXR(cPtr, 0x0C) & 0xBF;
+ cPtr->writeXR(cPtr, 0x0C, ((bank << 3) & 0x40) | tmp);
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSWINSetReadWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+ register unsigned char tmp;
+
+ cPtr->writeXR(cPtr, 0x10, ((bank << 5) & 0xFF));
+ cPtr->writeXR(cPtr, 0x11, ((bank << 5) & 0xFF));
+ tmp = cPtr->readXR(cPtr, 0x0C) & 0xAF;
+ cPtr->writeXR(cPtr, 0x0C, ((bank << 3) & 0x40) | ((bank << 1) & 0x10) | tmp);
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSHiQVSetReadWrite(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ cPtr->writeXR(cPtr, 0x0E, bank & 0x7F);
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+
+int
+CHIPSHiQVSetReadWritePlanar(ScreenPtr pScreen, int bank)
+{
+ CHIPSPtr cPtr = CHIPSPTR(xf86Screens[pScreen->myNum]);
+
+ cPtr->writeXR(cPtr, 0x0E, (bank << 2) & 0x7F);
+
+#ifdef __arm32__
+ /* Must drain StrongARM write buffer on bank switch! */
+ if (bank != cPtr->Bank) {
+ arm32_drain_writebuf();
+ cPtr->Bank = bank;
+ }
+#endif
+
+ return 0;
+}
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-16 13:36:51 +0000