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/*
* Copyright 2000 Ani Joshi <ajoshi@unixbox.com>
*
* XFree86 4.x driver for ARK Logic chipset
*
* 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 Ani Joshi not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Ani Joshi makes no representations
* about the suitability of this software for any purpose. It is provided
* "as-is" without express or implied warranty.
*
* ANI JOSHI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ANI JOSHI 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.
*
*
* Based on the 3.3.x driver by:
* Harm Hanemaayer <H.Hanemaayer@inter.nl.net>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <X11/Xarch.h>
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xaa.h"
#include "compiler.h"
#include "ark.h"
#include "ark_reg.h"
static int curx, cury, cmd_flags;
static void ARKSync(ScrnInfoPtr pScrn)
{
IOADDRESS port = 0x3cb;
#if ABI_VIDEODRV_VERSION < 12
port += pScrn->domainIOBase + 0x3cb;
#endif
for (;;) {
if (!(inb(port) & 0x40))
break;
}
}
static void ARKSetupForSolidFill(ScrnInfoPtr pScrn, int color,
int rop, unsigned int planemask)
{
ARKPtr pARK = ARKPTR(pScrn);
OUTREG16(FG_COLOR, color);
/* ARK color mix matches X raster-ops */
OUTREG16(COLOR_MIX_SEL, (rop | (rop << 8)));
switch (pScrn->bitsPerPixel) {
case 8:
if ((planemask & 0xff) == 0xff)
cmd_flags = DISABLE_PLANEMASK;
else {
OUTREG16(WRITE_PLANEMASK, planemask);
cmd_flags = 0;
}
break;
case 16:
if ((planemask & 0xffff) == 0xffff)
cmd_flags = DISABLE_PLANEMASK;
else {
OUTREG16(WRITE_PLANEMASK, planemask);
cmd_flags = 0;
}
break;
case 32:
OUTREG16(FG_COLOR_HI, color >> 16);
if ((planemask & 0xffffff) == 0xffffff)
cmd_flags = DISABLE_PLANEMASK;
else {
OUTREG16(WRITE_PLANEMASK, planemask);
cmd_flags = 0;
}
break;
}
curx = cury = -1;
}
static void ARKSubsequentSolidFillRect(ScrnInfoPtr pScrn, int x,
int y, int w, int h)
{
ARKPtr pARK = ARKPTR(pScrn);
int dst_addr;
OUTREG(WIDTH, ((h - 1) << 16) | (w - 1));
if (x != curx || y != cury) {
dst_addr = y * pScrn->displayWidth + x;
OUTREG(DST_ADDR, dst_addr);
curx = x;
cury = y;
}
OUTREG16(COMMAND, SELECT_BG_COLOR | SELECT_FG_COLOR |
STENCIL_ONES | DISABLE_CLIPPING | BITBLT |
cmd_flags);
cury += h;
}
static void ARKSetupForScreenToScreenCopy(ScrnInfoPtr pScrn, int xdir,
int ydir, int rop, unsigned int planemask,
int trans_color)
{
ARKPtr pARK = ARKPTR(pScrn);
cmd_flags = 0;
if (trans_color != -1) {
if (pScrn->bitsPerPixel <= 16)
OUTREG16(TRANS_COLOR, trans_color);
else {
OUTREG16(TRANS_COLOR, trans_color & 0xffff);
OUTREG16(TRANS_COLOR_HI, trans_color >> 16);
}
cmd_flags = STENCIL_GENERATED;
OUTREG16(COLOR_MIX_SEL, rop | 0x0500);
} else {
OUTREG16(COLOR_MIX_SEL, rop | (rop << 8));
}
if (ydir < 0)
cmd_flags |= UP;
if (xdir < 0)
cmd_flags |= LEFT;
/* yes, quite ugly */
if ((pScrn->bitsPerPixel == 8 && (planemask & 0xff) == 0xff) ||
(pScrn->bitsPerPixel == 16 && (planemask & 0xffff) == 0xffff) ||
(pScrn->bitsPerPixel == 32 && (planemask & 0xffffff) == 0xffffff))
cmd_flags |= DISABLE_PLANEMASK;
else
OUTREG16(WRITE_PLANEMASK, planemask);
}
static void ARKSubsequentScreenToScreenCopy(ScrnInfoPtr pScrn,
int x1, int y1,
int x2, int y2,
int w, int h)
{
ARKPtr pARK = ARKPTR(pScrn);
int src_addr, dst_addr;
if (cmd_flags & UP) {
src_addr = (y1 + h - 1) * pScrn->displayWidth;
dst_addr = (y2 + h - 1) * pScrn->displayWidth;
} else {
src_addr = y1 * pScrn->displayWidth;
dst_addr = y2 * pScrn->displayWidth;
}
if (cmd_flags & LEFT) {
src_addr += x1 + w - 1;
dst_addr += x2 + w - 1;
} else {
src_addr += x1;
dst_addr += x2;
}
OUTREG(SRC_ADDR, src_addr);
OUTREG(DST_ADDR, dst_addr);
OUTREG(WIDTH, ((h - 1) << 16) | (w - 1));
OUTREG16(COMMAND, BG_BITMAP | FG_BITMAP | DISABLE_CLIPPING |
BITBLT | cmd_flags);
}
Bool ARKAccelInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
ARKPtr pARK = ARKPTR(pScrn);
XAAInfoRecPtr pXAA;
if (!(pXAA = XAACreateInfoRec()))
return FALSE;
pXAA->Flags = LINEAR_FRAMEBUFFER;
pXAA->Sync = ARKSync;
pXAA->SetupForSolidFill = ARKSetupForSolidFill;
pXAA->SubsequentSolidFillRect = ARKSubsequentSolidFillRect;
pXAA->ScreenToScreenCopyFlags = 0;
pXAA->SetupForScreenToScreenCopy = ARKSetupForScreenToScreenCopy;
pXAA->SubsequentScreenToScreenCopy = ARKSubsequentScreenToScreenCopy;
OUTREG16(COLOR_MIX_SEL, 0x0303);
if (pARK->Chipset == PCI_CHIP_1000PV) {
OUTREG16(WRITE_PLANEMASK, 0xffff);
OUTREG16(TRANS_COLOR_MSK, 0xffff);
} else {
OUTREG16(TRANS_COLOR, 0xffff);
OUTREG16(TRANS_COLOR, 0xffffffff >> 16);
}
if (pARK->Chipset == PCI_CHIP_1000PV && pScrn->bitsPerPixel == 32) {
OUTREG16(STENCIL_PITCH, pScrn->displayWidth * 2);
OUTREG16(SRC_PITCH, pScrn->displayWidth * 2);
OUTREG16(DST_PITCH, pScrn->displayWidth * 2);
} else {
OUTREG16(STENCIL_PITCH, pScrn->displayWidth);
OUTREG16(SRC_PITCH, pScrn->displayWidth);
OUTREG16(DST_PITCH, pScrn->displayWidth);
}
OUTREG16(BITMAP_CONFIG, LINEAR_STENCIL_ADDR | LINEAR_SRC_ADDR |
LINEAR_DST_ADDR);
return XAAInit(pScreen, pXAA);
}
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