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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/hw/kdrive/via/via.c')
-rw-r--r--xorg-server/hw/kdrive/via/via.c435
1 files changed, 435 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/via/via.c b/xorg-server/hw/kdrive/via/via.c
new file mode 100644
index 000000000..b8e1036aa
--- /dev/null
+++ b/xorg-server/hw/kdrive/via/via.c
@@ -0,0 +1,435 @@
+/*
+ * Copyright © 2004 Ralph Thomas
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Ralph Thomas not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Ralph Thomas makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * RALPH THOMAS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL RALPH THOMAS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+/*
+** VIA CLE266 driver
+** Copyright 2004 (C) Ralph Thomas <ralpht@gmail.com>
+**
+** http://www.viatech.com.tw/
+*/
+
+#include "via.h"
+#include "viadraw.h"
+
+/*
+** viaCardInit( KdCardInfo* card )
+**
+** Description:
+** Create card specific structures, map chip registers and initialize the
+** VESA driver. We make the VESA driver do boring stuff for us, like set
+** up a framebuffer and program a mode.
+**
+** Parameters:
+** card Information stucture for the card we want to bring up.
+** It should be a VIA card.
+**
+** Return:
+** TRUE Initialization went ok.
+** FALSE Initialization failed.
+*/
+static Bool
+viaCardInit( KdCardInfo* card ) {
+ ViaCardInfo* viac;
+
+ viac = (ViaCardInfo*) xalloc( sizeof( ViaCardInfo ) );
+ if( !viac ) return FALSE;
+ memset( viac, '\0', sizeof( ViaCardInfo ) );
+
+
+ viaMapReg( card, viac );
+
+ if( !vesaInitialize( card, &viac->vesa ) ) {
+ xfree( viac );
+ return FALSE;
+ }
+
+ card->driver = viac;
+
+ return TRUE;
+}
+
+/*
+** Bool viaScreenInit( KdScreenInfo* screen )
+**
+** Description:
+** Initialize a single screen, described by the screen parameter.
+** This is where fairly low-level screen related things get setup,
+** such as video mode and resolution. Currently that all gets
+** handed off to the VESA driver.
+**
+** Parameters:
+** screen Information structure for the screen to enable.
+**
+** Return:
+** TRUE Screen was initialized successfully
+** FALSE Screen initialization failed
+*/
+static Bool
+viaScreenInit( KdScreenInfo* screen ) {
+ ViaCardInfo* viac = screen->card->driver;
+ ViaScreenInfo* vias;
+
+ vias = (ViaScreenInfo*) xalloc( sizeof( ViaScreenInfo ) );
+ if( !vias ) return FALSE;
+ memset( vias, '\0', sizeof( ViaScreenInfo ) );
+
+ if( !vesaScreenInitialize( screen, &vias->vesa ) ) {
+ xfree( vias );
+ return FALSE;
+ }
+
+ /*
+ ** XXX: What does this do?
+ */
+ if( !viac->mapBase )
+ screen->dumb = TRUE;
+ if( vias->vesa.mapping != VESA_LINEAR )
+ screen->dumb = TRUE;
+
+ screen->driver = vias;
+ return TRUE;
+}
+
+/*
+** Bool viaInitScreen( ScreenPtr pScreen )
+**
+** Description:
+** High level screen initialization occurs here. We could register XV
+** adaptors, etc, here.
+**
+** Arguments:
+** pScreen X screen information
+**
+** Return:
+** TRUE Initialization was successful,
+** FALSE Initialization failed.
+*/
+static Bool
+viaInitScreen( ScreenPtr pScreen ) {
+ return vesaInitScreen( pScreen );
+}
+
+/*
+** Bool viaFinishInitScreen
+**
+** Description:
+** Finish up any high-level screen initialization. Per-Screen extension
+** initialization can be done here.
+**
+** Arguments:
+** pScreen X screen information
+**
+** Return:
+** TRUE Initialization was successful.
+** FALSE Initialization failed.
+*/
+static Bool
+viaFinishInitScreen( ScreenPtr pScreen ) {
+ return vesaFinishInitScreen( pScreen );
+}
+
+/*
+** Bool viaCreateResources( ScreenPtr pScreen )
+**
+** Description:
+** Do any screen specific configuration.
+**
+** Arguments:
+** pScreen X screen information
+**
+** Return:
+** TRUE configuration was successful.
+** FALSE configuration failed.
+*/
+static Bool
+viaCreateResources( ScreenPtr pScreen ) {
+ return vesaCreateResources( pScreen );
+}
+
+/*
+** void viaPreserve( KdCardInfo* card )
+**
+** Description:
+** Save the current state of the chip, so that it can be restored by
+** viaRestore at a later time.
+**
+** Arguments:
+** card Information structure for the chip we want to preserve the
+** state of.
+**
+** Return:
+** None.
+**
+** See Also:
+** viaRestore
+*/
+static void
+viaPreserve( KdCardInfo* card ) {
+ vesaPreserve( card );
+}
+
+/*
+** void viaRestore( KdCardInfo* card )
+**
+** Description:
+** Restore the previous state of the chip, as saved by viaPreserve
+** earlier.
+**
+** Arguments:
+** card Information structure for the chip we want to restore the
+** state of.
+**
+** Return:
+** None.
+**
+** See Also:
+** viaPreserve
+*/
+static void viaRestore( KdCardInfo* card ) {
+ ViaCardInfo* viac = card->driver;
+
+ viaResetMMIO( card, viac );
+ vesaRestore( card );
+}
+
+/*
+** Bool viaEnable( ScreenPtr pScreen )
+**
+** Description:
+** This is where we set the card up for drawing the specified screen, e.g.:
+** set the mode and mmap the framebuffer.
+**
+** Arguments:
+** pScreen X screen information
+**
+** Return:
+** TRUE the screen was enabled
+** FALSE the screen could not be enabled
+*/
+static Bool
+viaEnable( ScreenPtr pScreen ) {
+ KdScreenPriv( pScreen );
+ ViaCardInfo* viac = pScreenPriv->card->driver;
+
+ if( !vesaEnable( pScreen ) ) return FALSE;
+
+ viaSetMMIO( pScreenPriv->card, viac );
+
+ if( !viac->mapBase ) {
+ ErrorF( "Could not map CLE266 graphics registers" );
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/*
+** void viaDisable( ScreenPtr pScreen )
+**
+** Description:
+** Shut down drawing: save some state and unmap the framebuffer.
+**
+** Arguments:
+** pScreen X screen information
+**
+** Return:
+** None.
+*/
+static void
+viaDisable( ScreenPtr pScreen ) {
+ KdScreenPriv( pScreen );
+ ViaCardInfo* viac = pScreenPriv->card->driver;
+
+ viaResetMMIO( pScreenPriv->card, viac );
+ vesaDisable( pScreen );
+}
+
+/*
+** void viaScreenFini( KdScreenInfo* screen )
+**
+** Description:
+** Release memory and resources allocated by viaScreenInit.
+**
+** Arguments:
+** screen Information structure for the screen to release.
+**
+** Return:
+** None.
+**
+** See Also:
+** viaScreenInit
+*/
+static void
+viaScreenFini( KdScreenInfo* screen ) {
+ ViaScreenInfo* vias = screen->driver;
+
+ vesaScreenFini( screen );
+ xfree( vias );
+ screen->driver = 0;
+}
+
+/*
+** void viaCardFini( KdCardInfo* card )
+**
+** Description:
+** Release memory and resources allocated by viaCardInit.
+**
+** Arguments:
+** card Information structure for the chip to release.
+**
+** Return:
+** None.
+**
+** See Also:
+** viaCardInit
+*/
+static void
+viaCardFini( KdCardInfo* card ) {
+ ViaCardInfo* viac = card->driver;
+
+ viaUnmapReg( card, viac );
+ vesaCardFini( card );
+ xfree( viac );
+}
+
+/*
+** void viaSetMMIO( KdCardInfo* card, ViaCardInfo* viac )
+**
+** Description:
+** Map the card's registers, if they're not already
+** mapped.
+**
+** Arguments:
+** card generic chip information
+** viac VIA-driver specific chip information
+**
+** Return:
+** None.
+*/
+void viaSetMMIO( KdCardInfo* card, ViaCardInfo* viac ) {
+ if( !viac->mapBase ) viaMapReg( card, viac );
+}
+
+/*
+** void viaResetMMIO( KdCardInfo* card, ViaCardInfo* viac )
+**
+** Description:
+** Unmap chip's registers.
+**
+** Arguments:
+** card generic chip information
+** viac VIA-driver specific chip information
+**
+** Return:
+** None.
+*/
+void viaResetMMIO( KdCardInfo* card, ViaCardInfo* viac ) {
+ viaUnmapReg( card, viac );
+}
+
+/*
+** Bool viaMapReg( KdCardInfo* card, ViaCardInfo* viac )
+**
+** Description:
+** Map the chip's registers into our address space.
+**
+** Arguments:
+** card the card information
+** viac the VIA-driver specific card information
+**
+** Return:
+** TRUE the registers were succesfully mapped
+** FALSE the registers could not be mapped
+*/
+Bool
+viaMapReg( KdCardInfo* card, ViaCardInfo* viac ) {
+ viac->mapBase = (VOL8*) KdMapDevice( VIA_REG_BASE( card ),
+ VIA_REG_SIZE( card ) );
+
+ if( !viac->mapBase ) {
+ ErrorF( "Couldn't allocate viac->mapBase\n" );
+ return FALSE;
+ }
+
+ KdSetMappedMode( VIA_REG_BASE( card ), VIA_REG_SIZE( card ),
+ KD_MAPPED_MODE_REGISTERS );
+
+ /*
+ ** Enable extended IO space
+ */
+ VGAOUT8( 0x3C4, 0x10 );
+ VGAOUT8( 0x3C5, 0x01 );
+
+ return TRUE;
+}
+
+/*
+** void viaUnmapReg( KdCardInfo* card, ViaCardInfo* viac )
+**
+** Description:
+** Unmap the the chip's registers.
+**
+** Arguments:
+** card the card information
+** viac the VIA-driver specific card information
+**
+** Return:
+** None.
+*/
+void
+viaUnmapReg( KdCardInfo* card, ViaCardInfo* viac ) {
+ if( !viac->mapBase ) return;
+
+ KdResetMappedMode( VIA_REG_BASE( card ), VIA_REG_SIZE( card ),
+ KD_MAPPED_MODE_REGISTERS );
+ KdUnmapDevice( (void*) viac->mapBase, VIA_REG_SIZE( card ) );
+ viac->mapBase = 0;
+}
+
+KdCardFuncs viaFuncs = {
+ viaCardInit, /* cardinit */
+ viaScreenInit, /* scrinit */
+ viaInitScreen, /* initScreen */
+ viaFinishInitScreen, /* finishInitScreen */
+ viaCreateResources, /* createRes */
+ viaPreserve, /* preserve */
+ viaEnable, /* enable */
+ vesaDPMS, /* dpms */
+ viaDisable, /* disable */
+ viaRestore, /* restore */
+ viaScreenFini, /* scrfini */
+ viaCardFini, /* cardfini */
+
+ 0, /* initCursor */
+ 0, /* enableCursor */
+ 0, /* disableCursor */
+ 0, /* finiCursor */
+ 0, /* recolorCursor */
+
+ viaDrawInit, /* initAccel */
+ viaDrawEnable, /* enableAccel */
+ viaDrawDisable, /* disableAccel */
+ viaDrawFini, /* finiAccel */
+
+ vesaGetColors, /* getColors */
+ vesaPutColors, /* putColors */
+};
+