xserver-multidpi/hw/kdrive/smi/smi.c
Keith Packard 1280f79054 Ok, Composite extension is semi-working; when no-one asks for redirection,
the server seems to act as before. With RedirectSubwindows (root,
    automatic), the server looks just like a regular X server. Now to go
    rewrite the (currently lame) compositing manager to get some real
    action on the screen.
Some of the fixes here are to make valgrind quiet with various ioctls used
    by kdrive/linux.
Also fixed a bug where fbdev initialization was out of order in fbdev.c and
    smi.c
2003-11-07 23:29:29 +00:00

345 lines
7.3 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.
*/
/* $XFree86: xc/programs/Xserver/hw/kdrive/smi/smi.c,v 1.11 2002/10/18 06:31:17 keithp Exp $ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "smi.h"
#include <sys/io.h>
static Bool
smiCardInit (KdCardInfo *card)
{
SmiCardInfo *smic;
ENTER ();
smic = (SmiCardInfo *) xalloc (sizeof (SmiCardInfo));
if (!smic)
return FALSE;
memset (smic, '\0', sizeof (SmiCardInfo));
(void) smiMapReg (card, smic);
if (!subInitialize (card, &smic->sub))
{
xfree (smic);
return FALSE;
}
card->driver = smic;
LEAVE();
return TRUE;
}
static Bool
smiScreenInit (KdScreenInfo *screen)
{
SmiCardInfo *smic = screen->card->driver;
SmiScreenInfo *smis;
ENTER();
smis = (SmiScreenInfo *) xalloc (sizeof (SmiScreenInfo));
if (!smis)
return FALSE;
memset (smis, '\0', sizeof (SmiScreenInfo));
screen->driver = smis;
if (!subScreenInitialize (screen, &smis->sub))
{
xfree (smis);
return FALSE;
}
if (!smic->reg_base)
screen->dumb = TRUE;
screen->softCursor = TRUE;
#if SMI_VESA
smis->screen = smis->sub.fb;
#else
smis->screen = smic->sub.fb;
#endif
LEAVE();
return TRUE;
}
static Bool
smiInitScreen (ScreenPtr pScreen)
{
Bool ret;
ENTER ();
#if 0
#ifdef XV
KdScreenPriv(pScreen);
SmiCardInfo *smic = pScreenPriv->screen->card->driver;
if (smic->media_reg && smic->reg)
smiInitVideo(pScreen);
#endif
#endif
ret = subInitScreen (pScreen);
LEAVE();
return ret;
}
#ifdef RANDR
static Bool
smiRandRSetConfig (ScreenPtr pScreen,
Rotation randr,
int rate,
RRScreenSizePtr pSize)
{
Bool ret;
ENTER ();
KdCheckSync (pScreen);
ret = subRandRSetConfig (pScreen, randr, rate, pSize);
LEAVE();
return ret;
}
static Bool
smiRandRInit (ScreenPtr pScreen)
{
rrScrPriv(pScreen);
ENTER ();
pScrPriv->rrSetConfig = smiRandRSetConfig;
LEAVE ();
return TRUE;
}
#endif
static Bool
smiFinishInitScreen (ScreenPtr pScreen)
{
Bool ret;
ret = subFinishInitScreen (pScreen);
#ifdef RANDR
smiRandRInit (pScreen);
#endif
return ret;
}
void
smiPreserve (KdCardInfo *card)
{
ENTER ();
subPreserve(card);
LEAVE();
}
Bool
smiMapReg (KdCardInfo *card, SmiCardInfo *smic)
{
ENTER ();
smic->io_base = 0; /* only handles one SMI card at standard VGA address */
smic->reg_base = (CARD8 *) KdMapDevice (SMI_REG_BASE(card),
SMI_REG_SIZE(card));
if (!smic->reg_base)
{
smic->dpr = 0;
return FALSE;
}
KdSetMappedMode (SMI_REG_BASE(card),
SMI_REG_SIZE(card),
KD_MAPPED_MODE_REGISTERS);
smic->dpr = (DPR *) (smic->reg_base + SMI_DPR_OFF(card));
LEAVE ();
return TRUE;
}
void
smiUnmapReg (KdCardInfo *card, SmiCardInfo *smic)
{
ENTER ();
if (smic->reg_base)
{
KdResetMappedMode (SMI_REG_BASE(card),
SMI_REG_SIZE(card),
KD_MAPPED_MODE_REGISTERS);
KdUnmapDevice ((void *) smic->reg_base, SMI_REG_SIZE(card));
smic->reg_base = 0;
smic->dpr = 0;
}
LEAVE ();
}
void
smiOutb (CARD16 port, CARD8 val)
{
asm volatile ("outb %b0,%w1" : : "a" (val), "d" (port));
}
CARD8
smiInb (CARD16 port)
{
CARD8 v;
asm volatile ("inb %w1,%b0" : "=a" (v) : "d" (port));
return v;
}
CARD8
smiGetIndex (SmiCardInfo *smic, CARD16 addr, CARD16 data, CARD8 id)
{
smiOutb (smic->io_base + addr, id);
return smiInb (smic->io_base + data);
}
void
smiSetIndex (SmiCardInfo *smic, CARD16 addr, CARD16 data, CARD8 id, CARD8 val)
{
smiOutb (smic->io_base + addr, id);
smiOutb (smic->io_base + data, val);
}
void
smiSetMMIO (KdCardInfo *card, SmiCardInfo *smic)
{
ENTER ();
if (!smic->reg_base)
smiMapReg (card, smic);
LEAVE();
}
void
smiResetMMIO (KdCardInfo *card, SmiCardInfo *smic)
{
smiUnmapReg (card, smic);
}
static Bool
smiDPMS (ScreenPtr pScreen, int mode)
{
Bool ret;
ENTER ();
ret = subDPMS (pScreen, mode);
LEAVE ();
return ret;
}
Bool
smiEnable (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
SmiCardInfo *smic = pScreenPriv->card->driver;
ENTER ();
iopl (3);
if (!subEnable (pScreen))
return FALSE;
smiSetMMIO (pScreenPriv->card, smic);
smiDPMS (pScreen, KD_DPMS_NORMAL);
#if 0
#ifdef XV
KdXVEnable (pScreen);
#endif
#endif
LEAVE ();
return TRUE;
}
void
smiDisable (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
SmiCardInfo *smic = pScreenPriv->card->driver;
ENTER ();
#if 0
#ifdef XV
KdXVDisable (pScreen);
#endif
#endif
smiResetMMIO (pScreenPriv->card, smic);
subDisable (pScreen);
LEAVE ();
}
static void
smiRestore (KdCardInfo *card)
{
ENTER ();
subRestore (card);
LEAVE();
}
static void
smiScreenFini (KdScreenInfo *screen)
{
SmiScreenInfo *smis = (SmiScreenInfo *) screen->driver;
ENTER ();
subScreenFini (screen);
xfree (smis);
screen->driver = 0;
LEAVE ();
}
static void
smiCardFini (KdCardInfo *card)
{
SmiCardInfo *smic = card->driver;
ENTER ();
smiUnmapReg (card, smic);
subCardFini (card);
LEAVE ();
}
#define smiCursorInit 0 /* initCursor */
#define smiCursorEnable 0 /* enableCursor */
#define smiCursorDisable 0 /* disableCursor */
#define smiCursorFini 0 /* finiCursor */
#define smiRecolorCursor 0 /* recolorCursor */
KdCardFuncs smiFuncs = {
smiCardInit, /* cardinit */
smiScreenInit, /* scrinit */
smiInitScreen, /* initScreen */
smiFinishInitScreen, /* finishInitScreen */
subCreateResources, /* createRes */
smiPreserve, /* preserve */
smiEnable, /* enable */
smiDPMS, /* dpms */
smiDisable, /* disable */
smiRestore, /* restore */
smiScreenFini, /* scrfini */
smiCardFini, /* cardfini */
smiCursorInit, /* initCursor */
smiCursorEnable, /* enableCursor */
smiCursorDisable, /* disableCursor */
smiCursorFini, /* finiCursor */
smiRecolorCursor, /* recolorCursor */
smiDrawInit, /* initAccel */
smiDrawEnable, /* enableAccel */
smiDrawSync, /* syncAccel */
smiDrawDisable, /* disableAccel */
smiDrawFini, /* finiAccel */
subGetColors, /* getColors */
subPutColors, /* putColors */
};