/*
* Copyright 1999, 2000 ATI Technologies Inc., Markham, Ontario,
* Precision Insight, Inc., Cedar Park, Texas, and
* VA Linux Systems Inc., Fremont, California.
*
* All Rights Reserved.
*
* 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 on 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 (including the
* next paragraph) 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
* NON-INFRINGEMENT. IN NO EVENT SHALL ATI, PRECISION INSIGHT, VA LINUX
* SYSTEMS AND/OR THEIR SUPPLIERS 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.
*/
/*
* Authors:
* Rickard E. Faith <faith@valinux.com>
* Kevin E. Martin <martin@valinux.com>
*
* References:
*
* RAGE 128 VR/ RAGE 128 GL Register Reference Manual (Technical
* Reference Manual P/N RRG-G04100-C Rev. 0.04), ATI Technologies: April
* 1999.
*
* RAGE 128 Software Development Manual (Technical Reference Manual P/N
* SDK-G04000 Rev. 0.01), ATI Technologies: June 1999.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* Driver data structures */
#include "r128.h"
#include "r128_reg.h"
/* X and server generic header files */
#include "xf86.h"
/* Because for EXA we need to use a different allocator */
#ifdef USE_EXA
#include "exa.h"
#endif
#define CURSOR_WIDTH 64
#define CURSOR_HEIGHT 64
void r128_crtc_show_cursor(xf86CrtcPtr crtc)
{
ScrnInfoPtr pScrn = crtc->scrn;
R128CrtcPrivatePtr r128_crtc = crtc->driver_private;
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
int crtc_id = r128_crtc->crtc_id;
switch (crtc_id) {
case 0:
OUTREGP(R128_CRTC_GEN_CNTL, R128_CRTC_CUR_EN, ~R128_CRTC_CUR_EN);
break;
case 1:
OUTREGP(R128_CRTC2_GEN_CNTL, R128_CRTC2_CUR_EN, ~R128_CRTC2_CUR_EN);
break;
default:
return;
}
}
void r128_crtc_hide_cursor(xf86CrtcPtr crtc)
{
ScrnInfoPtr pScrn = crtc->scrn;
R128CrtcPrivatePtr r128_crtc = crtc->driver_private;
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
int crtc_id = r128_crtc->crtc_id;
switch (crtc_id) {
case 0:
OUTREGP(R128_CRTC_GEN_CNTL, 0, ~R128_CRTC_CUR_EN);
break;
case 1:
OUTREGP(R128_CRTC2_GEN_CNTL, 0, ~R128_CRTC2_CUR_EN);
break;
default:
return;
}
}
void r128_crtc_set_cursor_colors(xf86CrtcPtr crtc, int bg, int fg)
{
ScrnInfoPtr pScrn = crtc->scrn;
R128CrtcPrivatePtr r128_crtc = crtc->driver_private;
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
int crtc_id = r128_crtc->crtc_id;
switch (crtc_id) {
case 0:
OUTREG(R128_CUR_CLR0, bg);
OUTREG(R128_CUR_CLR1, fg);
break;
case 1:
OUTREG(R128_CUR2_CLR0, bg);
OUTREG(R128_CUR2_CLR1, fg);
break;
default:
return;
}
}
void r128_crtc_set_cursor_position (xf86CrtcPtr crtc, int x, int y)
{
ScrnInfoPtr pScrn = crtc->scrn;
R128InfoPtr info = R128PTR(pScrn);
R128CrtcPrivatePtr r128_crtc = crtc->driver_private;
unsigned char *R128MMIO = info->MMIO;
int crtc_id = r128_crtc->crtc_id;
int xorigin = 0, yorigin = 0;
DisplayModePtr mode = &crtc->mode;
if (x < 0) xorigin = -x + 1;
if (y < 0) yorigin = -y + 1;
if (xorigin >= CURSOR_WIDTH) xorigin = CURSOR_WIDTH - 1;
if (yorigin >= CURSOR_HEIGHT) yorigin = CURSOR_HEIGHT - 1;
if (mode->Flags & V_INTERLACE)
y /= 2;
else if (mode->Flags & V_DBLSCAN)
y *= 2;
if(crtc_id == 0) {
OUTREG(R128_CUR_HORZ_VERT_OFF, (R128_CUR_LOCK | (xorigin << 16) | yorigin));
OUTREG(R128_CUR_HORZ_VERT_POSN, (R128_CUR_LOCK | ((xorigin ? 0 : x) << 16) | (yorigin ? 0 : y)));
OUTREG(R128_CUR_OFFSET, r128_crtc->cursor_offset + pScrn->fbOffset + yorigin * 16);
} else if (crtc_id == 1) {
OUTREG(R128_CUR2_HORZ_VERT_OFF, (R128_CUR2_LOCK | (xorigin << 16) | yorigin));
OUTREG(R128_CUR2_HORZ_VERT_POSN, (R128_CUR2_LOCK | ((xorigin ? 0 : x) << 16) | (yorigin ? 0 : y)));
OUTREG(R128_CUR2_OFFSET, r128_crtc->cursor_offset + pScrn->fbOffset + yorigin * 16);
}
}
void r128_crtc_load_cursor_image(xf86CrtcPtr crtc, unsigned char *src)
{
ScrnInfoPtr pScrn = crtc->scrn;
R128CrtcPrivatePtr r128_crtc = crtc->driver_private;
int crtc_id = r128_crtc->crtc_id;
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
uint32_t save1 = 0;
uint32_t save2 = 0;
if (crtc_id == 0) {
save1 = INREG(R128_CRTC_GEN_CNTL);
OUTREG(R128_CRTC_GEN_CNTL, save1 & (uint32_t)~R128_CRTC_CUR_EN);
} else if (crtc_id == 1) {
save2 = INREG(R128_CRTC2_GEN_CNTL);
OUTREG(R128_CRTC2_GEN_CNTL, save2 & (uint32_t)~R128_CRTC2_CUR_EN);
}
#if X_BYTE_ORDER == X_BIG_ENDIAN
if (info->CurrentLayout.pixel_bytes == 4 || info->CurrentLayout.pixel_bytes == 3)
R128CopySwap(info->FB + r128_crtc->cursor_offset + pScrn->fbOffset, src,
CURSOR_WIDTH * CURSOR_HEIGHT / 4, APER_0_BIG_ENDIAN_32BPP_SWAP);
else if (info->CurrentLayout.pixel_bytes == 2)
R128CopySwap(info->FB + r128_crtc->cursor_offset + pScrn->fbOffset, src,
CURSOR_WIDTH * CURSOR_HEIGHT / 4, APER_0_BIG_ENDIAN_16BPP_SWAP);
else
#endif
memcpy(info->FB + r128_crtc->cursor_offset + pScrn->fbOffset, src, CURSOR_WIDTH * CURSOR_HEIGHT / 4);
if (crtc_id == 0)
OUTREG(R128_CRTC_GEN_CNTL, save1);
else
OUTREG(R128_CRTC2_GEN_CNTL, save2);
}
/* Initialize hardware cursor support. */
Bool R128CursorInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
R128InfoPtr info = R128PTR(pScrn);
FBAreaPtr fbarea = NULL;
#ifdef USE_EXA
ExaOffscreenArea* osArea = NULL;
#else
void* osArea = NULL;
#endif
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
uint32_t cursor_offset = 0;
int cpp = info->CurrentLayout.pixel_bytes;
int width;
int width_bytes;
int height;
int size;
int size_bytes;
int c;
size = CURSOR_WIDTH * CURSOR_HEIGHT / 4;
size_bytes = size * 2;
width = pScrn->displayWidth;
width_bytes = width * (pScrn->bitsPerPixel / 8);
height = ((size_bytes * xf86_config->num_crtc) + width_bytes - 1) / width_bytes;
if(!info->useEXA) {
fbarea = xf86AllocateOffscreenArea(pScreen, width, height,
16, NULL, NULL, NULL);
if (fbarea)
cursor_offset = R128_ALIGN((fbarea->box.x1 + width * fbarea->box.y1) * cpp, 16);
}
#ifdef USE_EXA
else {
osArea = exaOffscreenAlloc(pScreen, width * height, 16,
TRUE, NULL, NULL);
if (osArea)
cursor_offset = osArea->offset;
}
#endif
if ((!info->useEXA && !fbarea) || (info->useEXA && !osArea)) {
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"Hardware cursor disabled"
" due to insufficient offscreen memory\n");
return FALSE;
} else {
for (c = 0; c < xf86_config->num_crtc; c++) {
xf86CrtcPtr crtc = xf86_config->crtc[c];
R128CrtcPrivatePtr r128_crtc = crtc->driver_private;
r128_crtc->cursor_offset = cursor_offset + (c * size);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Will use %d kb for hardware cursor %d at offset 0x%08x\n",
(size_bytes * xf86_config->num_crtc) / 1024, c,
(unsigned int)r128_crtc->cursor_offset);
}
}
return xf86_cursors_init(pScreen, CURSOR_WIDTH, CURSOR_HEIGHT,
(HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
HARDWARE_CURSOR_SHOW_TRANSPARENT |
HARDWARE_CURSOR_UPDATE_UNHIDDEN |
#if X_BYTE_ORDER == X_LITTLE_ENDIAN
HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
#endif
HARDWARE_CURSOR_INVERT_MASK |
HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK |
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64));
}