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/*
* Generic card driving functions.
* Essentially, cascades calls to fbdev and vesa to initialize cards that
* do not have hardware-specific routines yet. Copied from the ati driver.
*
* Copyright (c) 2004 Brent Cook <busterb@mail.utexas.edu>
*
* This code is licensed under the GPL. See the file COPYING in the root
* directory of the sources for details.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "backend.h"
Bool
backendInitialize(KdCardInfo *card, BackendInfo *backend)
{
Bool success = FALSE;
#ifdef KDRIVEVESA
if (!success && vesaInitialize(card, &backend->priv.vesa)) {
success = TRUE;
backend->type = VESA;
backend->cardfini = vesaCardFini;
backend->scrfini = vesaScreenFini;
backend->initScreen = vesaInitScreen;
backend->finishInitScreen = vesaFinishInitScreen;
backend->createRes = vesaCreateResources;
backend->preserve = vesaPreserve;
backend->restore = vesaRestore;
backend->dpms = vesaDPMS;
backend->enable = vesaEnable;
backend->disable = vesaDisable;
backend->getColors = vesaGetColors;
backend->putColors = vesaPutColors;
}
#endif
#ifdef KDRIVEFBDEV
if (!success && fbdevInitialize(card, &backend->priv.fbdev)) {
success = TRUE;
backend->type = FBDEV;
backend->cardfini = fbdevCardFini;
backend->scrfini = fbdevScreenFini;
backend->initScreen = fbdevInitScreen;
backend->finishInitScreen = fbdevFinishInitScreen;
backend->createRes = fbdevCreateResources;
backend->preserve = fbdevPreserve;
backend->restore = fbdevRestore;
backend->dpms = fbdevDPMS;
backend->enable = fbdevEnable;
backend->disable = fbdevDisable;
backend->getColors = fbdevGetColors;
backend->putColors = fbdevPutColors;
}
#endif
return success;
}
Bool
backendScreenInitialize(KdScreenInfo *screen, BackendScreen *backendScreen,
BackendInfo *backendCard)
{
Bool success = FALSE;
#ifdef KDRIVEFBDEV
if (backendCard->type == FBDEV) {
screen->card->driver = &backendCard->priv.fbdev;
success = fbdevScreenInitialize(screen, &backendScreen->fbdev);
screen->memory_size = backendCard->priv.fbdev.fix.smem_len;
screen->off_screen_base = backendCard->priv.fbdev.var.yres_virtual
* screen->fb[0].byteStride;
}
#endif
#ifdef KDRIVEVESA
if (backendCard->type == VESA) {
screen->card->driver = &backendCard->priv.vesa;
if (screen->fb[0].depth == 0) {
screen->fb[0].depth = 16;
}
success = vesaScreenInitialize(screen, &backendScreen->vesa);
}
#endif
return success;
}
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