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/* Copyright (c) 2003-2007 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Neither the name of the Advanced Micro Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
* */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86Pci.h"
#include "xf86PciInfo.h"
#include "geode.h"
/* Forward declarations of the functions */
static void LXSetCursorColors(ScrnInfoPtr pScrni, int bg, int fg);
static void LXSetCursorPosition(ScrnInfoPtr pScrni, int x, int y);
static Bool LXUseHWCursor(ScreenPtr pScrn, CursorPtr pCurs);
extern void LXSetVideoPosition(int x, int y, int width, int height,
short src_w, short src_h, short drw_w,
short drw_h, int id, int offset, ScrnInfoPtr pScrn);
Bool
LXHWCursorInit(ScreenPtr pScrn)
{
ScrnInfoPtr pScrni = xf86Screens[pScrn->myNum];
GeodeRec *pGeode = GEODEPTR(pScrni);
xf86CursorInfoPtr infoPtr;
infoPtr = xf86CreateCursorInfoRec();
if (!infoPtr)
return FALSE;
/* the geode structure is intiallized with the cursor infoRec */
pGeode->CursorInfo = infoPtr;
infoPtr->MaxWidth = 32;
infoPtr->MaxHeight = 32;
/* seeting up the cursor flags */
infoPtr->Flags = HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED;
infoPtr->SetCursorColors = LXSetCursorColors;
infoPtr->SetCursorPosition = LXSetCursorPosition;
infoPtr->LoadCursorImage = LXLoadCursorImage;
infoPtr->HideCursor = LXHideCursor;
infoPtr->ShowCursor = LXShowCursor;
infoPtr->UseHWCursor = LXUseHWCursor;
return (xf86InitCursor(pScrn, infoPtr));
}
static void
LXSetCursorColors(ScrnInfoPtr pScrni, int bg, int fg)
{
vg_set_mono_cursor_colors(bg, fg);
}
static void
LXSetCursorPosition(ScrnInfoPtr pScrni, int x, int y)
{
GeodeRec *pGeode = GEODEPTR(pScrni);
int savex, savey;
int newX, newY;
int hsx, hsy;
/* Adjust xf86HWCursor messing about */
savex = x + pScrni->frameX0;
savey = y + pScrni->frameY0;
switch(pGeode->rotation) {
default:
ErrorF("%s:%d invalid rotation %d\n", __func__, __LINE__, pGeode->rotation);
case RR_Rotate_0:
newX = savex; newY = savey;
hsx= 31; hsy = 31;
break;
case RR_Rotate_270:
newX = savey;
newY = pScrni->pScreen->width - savex;
hsx= 31; hsy = 0;
break;
case RR_Rotate_180:
newX = pScrni->pScreen->width - savex;
newY = pScrni->pScreen->height - savey;
hsx = 0; hsy = 0;
break;
case RR_Rotate_90:
newX = pScrni->pScreen->height - savey;
newY = savex;
hsx= 0; hsy= 31;
break;
}
newX -= pScrni->frameX0;
newY -= pScrni->frameY0;
{
VG_PANNING_COORDINATES panning;
vg_set_cursor_position(newX + hsx, newY + hsy, &panning);
}
vg_set_cursor_enable(1);
/* FIXME: Adjust for video panning? */
}
void
LXLoadCursorImage(ScrnInfoPtr pScrni, unsigned char *src)
{
int i, n, x, y, newX, newY;
unsigned long andMask[32], xorMask[32];
GeodeRec *pGeode = GEODEPTR(pScrni);
unsigned long mskb, rowb;
unsigned char *rowp = &src[0];
unsigned char *mskp = &src[128];
if (src != NULL) {
mskb = rowb = 0;
for (y = 32; --y >= 0;)
andMask[y] = xorMask[y] = 0;
for (y = 0; y < 32; ++y) {
for (x = 0; x < 32; ++x) {
if ((i = x & 7) == 0) {
rowb = (*rowp & *mskp);
mskb = ~(*mskp);
++rowp;
++mskp;
}
switch(pGeode->rotation) {
default:
ErrorF("%s:%d invalid rotation %d\n", __func__, __LINE__,
pGeode->rotation);
case RR_Rotate_0:
newX = x;
newY = y;
break;
case RR_Rotate_270:
newX = y;
newY = 31 - x;
break;
case RR_Rotate_180:
newX = 31 - x;
newY = 31 - y;
break;
case RR_Rotate_90:
newX = 31 - y;
newY = x;
break;
}
i = 7 - i;
n = 31 - newX;
andMask[newY] |= (((mskb >> i) & 1) << n);
xorMask[newY] |= (((rowb >> i) & 1) << n);
}
}
} else {
for (y = 32; --y >= 0;) {
andMask[y] = ~0;
xorMask[y] = 0;
}
}
vg_set_mono_cursor_shape32(pGeode->CursorStartOffset,&andMask[0],&xorMask[0],31,31);
}
void
LXHideCursor(ScrnInfoPtr pScrni)
{
vg_set_cursor_enable(0);
}
void
LXShowCursor(ScrnInfoPtr pScrni)
{
vg_set_cursor_enable(1);
}
static Bool
LXUseHWCursor(ScreenPtr pScrn, CursorPtr pCurs)
{
ScrnInfoPtr pScrni = XF86SCRNINFO(pScrn);
GeodeRec *pGeode = GEODEPTR(pScrni);
return pGeode->HWCursor;
}
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