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