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Diffstat (limited to 'hw/kdrive/via/via.c')
| -rw-r--r-- | hw/kdrive/via/via.c | 436 |
1 files changed, 0 insertions, 436 deletions
diff --git a/hw/kdrive/via/via.c b/hw/kdrive/via/via.c deleted file mode 100644 index c2e9e067d..000000000 --- a/hw/kdrive/via/via.c +++ /dev/null @@ -1,436 +0,0 @@ -/* - * 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 */ - viaDrawSync, /* syncAccel */ - viaDrawDisable, /* disableAccel */ - viaDrawFini, /* finiAccel */ - - vesaGetColors, /* getColors */ - vesaPutColors, /* putColors */ -}; 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