diff options
Diffstat (limited to 'xorg-server/hw/kdrive/mga/mga.c')
| -rw-r--r-- | xorg-server/hw/kdrive/mga/mga.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/mga/mga.c b/xorg-server/hw/kdrive/mga/mga.c new file mode 100644 index 000000000..2ae35d143 --- /dev/null +++ b/xorg-server/hw/kdrive/mga/mga.c @@ -0,0 +1,240 @@ +/* + * Copyright © 2003 Anders Carlsson + * + * 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 Anders Carlsson not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Anders Carlsson makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * ANDERS CARLSSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL ANDERS CARLSSON 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. + */ +#ifdef HAVE_CONFIG_H +#include <kdrive-config.h> +#endif +#include "mga.h" + +static Bool +mgaCardInit (KdCardInfo *card) +{ + MgaCardInfo *mgac; + + mgac = (MgaCardInfo *) xalloc (sizeof (MgaCardInfo)); + if (!mgac) + return FALSE; + + mgaMapReg (card, mgac); + + if (!vesaInitialize (card, &mgac->vesa)) + { + xfree (mgac); + return FALSE; + } + + mgac->fifo_size = 0; + + card->driver = mgac; + + return TRUE; +} + +static Bool +mgaScreenInit (KdScreenInfo *screen) +{ + MgaScreenInfo *mgas; + + mgas = (MgaScreenInfo *) xalloc (sizeof (MgaScreenInfo)); + if (!mgas) + return FALSE; + memset (mgas, '\0', sizeof (MgaScreenInfo)); + if (!vesaScreenInitialize (screen, &mgas->vesa)) + { + xfree (mgas); + return FALSE; + } +#if 0 + /* if (!mgac->reg) + screen->dumb = TRUE; */ + + if (mgas->vesa.mapping != VESA_LINEAR) + screen->dumb = TRUE; + + fprintf (stderr, "vesa mapping is %d\n", mgas->vesa.mapping); +#endif + screen->driver = mgas; + return TRUE; +} + +static Bool +mgaInitScreen (ScreenPtr pScreen) +{ + return vesaInitScreen (pScreen); +} + +static Bool +mgaFinishInitScreen (ScreenPtr pScreen) +{ + Bool ret; + + ret = vesaFinishInitScreen (pScreen); + + return ret; +} + +static Bool +mgaCreateResources (ScreenPtr pScreen) +{ + return vesaCreateResources (pScreen); +} + +static void +mgaPreserve (KdCardInfo *card) +{ + vesaPreserve (card); +} + +Bool +mgaMapReg (KdCardInfo *card, MgaCardInfo *mgac) +{ + mgac->reg_base = (CARD8 *) KdMapDevice (MGA_REG_BASE (card), + MGA_REG_SIZE (card)); + + if (!mgac->reg_base) + { + return FALSE; + } + + KdSetMappedMode (MGA_REG_BASE (card), + MGA_REG_SIZE (card), + KD_MAPPED_MODE_REGISTERS); + + return TRUE; +} + +void +mgaUnmapReg (KdCardInfo *card, MgaCardInfo *mgac) +{ + if (mgac->reg_base) + { + KdResetMappedMode (MGA_REG_BASE (card), + MGA_REG_SIZE (card), + KD_MAPPED_MODE_REGISTERS); + KdUnmapDevice ((void *) mgac->reg_base, MGA_REG_SIZE (card)); + mgac->reg_base = 0; + /* mgac->reg = 0; */ + } +} + +void +mgaSetMMIO (KdCardInfo *card, MgaCardInfo *mgac) +{ + if (!mgac->reg_base) + mgaMapReg (card, mgac); +} + +void +mgaResetMMIO (KdCardInfo *card, MgaCardInfo *mgac) +{ + mgaUnmapReg (card, mgac); +} + +static Bool +mgaDPMS (ScreenPtr pScreen, int mode) +{ + /* XXX */ + return TRUE; +} + +static Bool +mgaEnable (ScreenPtr pScreen) +{ + KdScreenPriv (pScreen); + MgaCardInfo *mgac = pScreenPriv->card->driver; + + if (!vesaEnable (pScreen)) + return FALSE; + + mgaSetMMIO (pScreenPriv->card, mgac); + mgaDPMS (pScreen, KD_DPMS_NORMAL); + + return TRUE; +} + +static void +mgaDisable (ScreenPtr pScreen) +{ + KdScreenPriv (pScreen); + MgaCardInfo *mgac = pScreenPriv->card->driver; + + mgaResetMMIO (pScreenPriv->card, mgac); + + vesaDisable (pScreen); +} + +static void +mgaRestore (KdCardInfo *card) +{ + MgaCardInfo *mgac = card->driver; + + mgaResetMMIO (card, mgac); + vesaRestore (card); +} + +static void +mgaScreenFini (KdScreenInfo *screen) +{ + MgaScreenInfo *mgas = (MgaScreenInfo *) screen->driver; + + vesaScreenFini (screen); + xfree (mgas); + screen->driver = 0; +} + +static void +mgaCardFini (KdCardInfo *card) +{ + MgaCardInfo *mgac = (MgaCardInfo *)card->driver; + + mgaUnmapReg (card, mgac); + vesaCardFini (card); +} + +KdCardFuncs mgaFuncs = { + mgaCardInit, /* cardinit */ + mgaScreenInit, /* scrinit */ + mgaInitScreen, /* initScreen */ + mgaFinishInitScreen, /* finishInitScreen */ + mgaCreateResources, /* createRes */ + mgaPreserve, /* preserve */ + mgaEnable, /* enable */ + mgaDPMS, /* dpms */ + mgaDisable, /* disable */ + mgaRestore, /* restore */ + mgaScreenFini, /* scrfini */ + mgaCardFini, /* cardfini */ + + 0, /* initCursor */ + 0, /* enableCursor */ + 0, /* disableCursor */ + 0, /* finiCursor */ + 0, /* recolorCursor */ + + mgaDrawInit, /* initAccel */ + mgaDrawEnable, /* enableAccel */ + mgaDrawDisable, /* disableAccel */ + mgaDrawFini, /* finiAccel */ + + vesaGetColors, /* getColors */ + vesaPutColors, /* putColors */ +}; + |