xenocara/xserver/hw/kdrive/chips/chips.c
2007-11-24 17:55:21 +00:00

335 lines
7.4 KiB
C

/*
* Copyright © 2001 Keith Packard
*
* 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 Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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 "chips.h"
#include "kaa.h"
#include <sys/io.h>
#undef CHIPS_DEBUG
static Bool
chipsCardInit (KdCardInfo *card)
{
ChipsCardInfo *chipsc;
chipsc = (ChipsCardInfo *) xalloc (sizeof (ChipsCardInfo));
if (!chipsc)
return FALSE;
iopl (3);
if (!vesaInitialize (card, &chipsc->vesa))
{
xfree (chipsc);
return FALSE;
}
#ifdef USE_PCI
chipsc->window = (CARD32 *) (chipsc->cop_base + 0x10000);
#else
chipsc->window = 0;
#endif
card->driver = chipsc;
return TRUE;
}
static Bool
chipsScreenInit (KdScreenInfo *screen)
{
ChipsScreenInfo *chipss;
int screen_size, memory;
chipss = (ChipsScreenInfo *) xalloc (sizeof (ChipsScreenInfo));
if (!chipss)
return FALSE;
memset (chipss, '\0', sizeof (ChipsScreenInfo));
if (!vesaScreenInitialize (screen, &chipss->vesa))
{
xfree (chipss);
return FALSE;
}
if (chipss->vesa.mapping != VESA_LINEAR)
screen->dumb = TRUE;
if (!screen->dumb)
{
chipss->mmio_base = (CARD8 *) KdMapDevice (CHIPS_MMIO_BASE(chipss),
CHIPS_MMIO_SIZE(chipss));
if (chipss->mmio_base)
{
KdSetMappedMode (CHIPS_MMIO_BASE(chipss),
CHIPS_MMIO_SIZE(chipss),
KD_MAPPED_MODE_REGISTERS);
}
else
screen->dumb = TRUE;
}
else
chipss->mmio_base = 0;
chipss->screen = chipss->vesa.fb;
memory = chipss->vesa.fb_size;
screen_size = screen->fb[0].byteStride * screen->height;
if (chipss->screen && memory >= screen_size + 2048)
{
memory -= 2048;
chipss->cursor_base = chipss->screen + memory - 2048;
}
else
chipss->cursor_base = 0;
memory -= screen_size;
if (memory > screen->fb[0].byteStride)
{
chipss->off_screen = chipss->screen + screen_size;
chipss->off_screen_size = memory;
}
else
{
chipss->off_screen = 0;
chipss->off_screen_size = 0;
}
screen->driver = chipss;
return TRUE;
}
static Bool
chipsInitScreen (ScreenPtr pScreen)
{
return vesaInitScreen (pScreen);
}
#ifdef RANDR
static Bool
chipsRandRSetConfig (ScreenPtr pScreen,
Rotation rotation,
int rate,
RRScreenSizePtr pSize)
{
kaaWaitSync (pScreen);
if (!vesaRandRSetConfig (pScreen, rotation, rate, pSize))
return FALSE;
return TRUE;
}
static void
chipsRandRInit (ScreenPtr pScreen)
{
rrScrPriv(pScreen);
pScrPriv->rrSetConfig = chipsRandRSetConfig;
}
#endif
static Bool
chipsFinishInitScreen (ScreenPtr pScreen)
{
Bool ret;
ret = vesaFinishInitScreen (pScreen);
#ifdef RANDR
chipsRandRInit (pScreen);
#endif
return ret;
}
static Bool
chipsCreateResources (ScreenPtr pScreen)
{
return vesaCreateResources (pScreen);
}
CARD8
chipsReadXR (ChipsScreenInfo *chipss, CARD8 index)
{
CARD8 value;
outb (index, 0x3d6);
value = inb (0x3d7);
return value;
}
void
chipsWriteXR (ChipsScreenInfo *chipss, CARD8 index, CARD8 value)
{
outb (index, 0x3d6);
outb (value, 0x3d7);
}
#if 0
static CARD8
chipsReadFR (ChipsScreenInfo *chipss, CARD8 index)
{
CARD8 value;
outb (index, 0x3d0);
value = inb (0x3d1);
return value;
}
static void
chipsWriteFR (ChipsScreenInfo *chipss, CARD8 index, CARD8 value)
{
outb (index, 0x3d0);
outb (value, 0x3d1);
}
static CARD8
chipsReadSeq (ChipsScreenInfo *chipss, CARD8 index)
{
CARD8 value;
outb (index, 0x3c4);
value = inb (0x3c5);
return value;
}
static void
chipsWriteSeq (ChipsScreenInfo *chipss, CARD8 index, CARD8 value)
{
outb (index, 0x3c4);
outb (value, 0x3c5);
}
#endif
static void
chipsPreserve (KdCardInfo *card)
{
vesaPreserve(card);
}
static void
chipsSetMMIO (ChipsCardInfo *chipsc)
{
}
static void
chipsResetMMIO (ChipsCardInfo *chipsc)
{
}
static Bool
chipsEnable (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ChipsCardInfo *chipsc = pScreenPriv->card->driver;
if (!vesaEnable (pScreen))
return FALSE;
chipsSetMMIO (chipsc);
return TRUE;
}
#if 0
static Bool
chipsDPMS (ScreenPtr pScreen, int mode)
{
KdScreenPriv(pScreen);
chipsScreenInfo(pScreenPriv);
ErrorF ("seqreg 0x01 0x%x\n", chipsReadSeq (chipss, 0x1));
ErrorF ("dpmsreg XR61 0x%x\n", chipsReadXR (chipss, 0x61));
ErrorF ("dpmsreg XR73 0x%x\n", chipsReadXR (chipss, 0x73));
ErrorF ("flat panel FR05 0x%x\n", chipsReadFR (chipss, 0x5));
ErrorF ("flat panel XR52 0x%x\n", chipsReadXR (chipss, 0x52));
return TRUE;
}
#endif
static void
chipsDisable (ScreenPtr pScreen)
{
vesaDisable (pScreen);
}
static void
chipsRestore (KdCardInfo *card)
{
ChipsCardInfo *chipsc = card->driver;
chipsResetMMIO (chipsc);
vesaRestore (card);
}
static void
chipsScreenFini (KdScreenInfo *screen)
{
ChipsScreenInfo *chipss = (ChipsScreenInfo *) screen->driver;
if (chipss->mmio_base)
{
KdUnmapDevice ((void *) chipss->mmio_base, CHIPS_MMIO_SIZE(chipss));
KdResetMappedMode (CHIPS_MMIO_BASE(chipss),
CHIPS_MMIO_SIZE(chipss),
KD_MAPPED_MODE_REGISTERS);
}
vesaScreenFini (screen);
xfree (chipss);
screen->driver = 0;
}
static void
chipsCardFini (KdCardInfo *card)
{
vesaCardFini (card);
}
#define chipsCursorInit (void *) 0
#define chipsCursorEnable (void *) 0
#define chipsCursorDisable (void *) 0
#define chipsCursorFini (void *) 0
#define chipsRecolorCursor (void *) 0
KdCardFuncs chipsFuncs = {
chipsCardInit, /* cardinit */
chipsScreenInit, /* scrinit */
chipsInitScreen, /* initScreen */
chipsFinishInitScreen, /* finishInitScreen */
chipsCreateResources, /* createRes */
chipsPreserve, /* preserve */
chipsEnable, /* enable */
vesaDPMS, /* dpms */
chipsDisable, /* disable */
chipsRestore, /* restore */
chipsScreenFini, /* scrfini */
chipsCardFini, /* cardfini */
chipsCursorInit, /* initCursor */
chipsCursorEnable, /* enableCursor */
chipsCursorDisable, /* disableCursor */
chipsCursorFini, /* finiCursor */
chipsRecolorCursor, /* recolorCursor */
chipsDrawInit, /* initAccel */
chipsDrawEnable, /* enableAccel */
chipsDrawDisable, /* disableAccel */
chipsDrawFini, /* finiAccel */
vesaGetColors, /* getColors */
vesaPutColors, /* putColors */
};