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/*
* Copyright 2000 ATI Technologies Inc., Markham, Ontario, 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, 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define RADEONCTRACE(x)
/*#define RADEONCTRACE(x) RADEONTRACE(x) */
/*
* Authors:
* Kevin E. Martin <martin@xfree86.org>
* Rickard E. Faith <faith@valinux.com>
*
* References:
*
* !!!! FIXME !!!!
* 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.
*
*/
/* Driver data structures */
#include "radeon.h"
#include "radeon_version.h"
#include "radeon_reg.h"
#include "radeon_macros.h"
/* X and server generic header files */
#include "xf86.h"
#define CURSOR_WIDTH 64
#define CURSOR_HEIGHT 64
/*
* The cursor bits are always 32bpp. On MSBFirst buses,
* configure byte swapping to swap 32 bit units when writing
* the cursor image. Byte swapping must always be returned
* to its previous value before returning.
*/
#if X_BYTE_ORDER == X_BIG_ENDIAN
#define CURSOR_SWAPPING_DECL_MMIO unsigned char *RADEONMMIO = info->MMIO;
#define CURSOR_SWAPPING_START() \
do { \
OUTREG(RADEON_SURFACE_CNTL, \
(info->ModeReg.surface_cntl | \
RADEON_NONSURF_AP0_SWP_32BPP | RADEON_NONSURF_AP1_SWP_32BPP) & \
~(RADEON_NONSURF_AP0_SWP_16BPP | RADEON_NONSURF_AP1_SWP_16BPP)); \
} while (0)
#define CURSOR_SWAPPING_END() (OUTREG(RADEON_SURFACE_CNTL, \
info->ModeReg.surface_cntl))
#else
#define CURSOR_SWAPPING_DECL_MMIO
#define CURSOR_SWAPPING_START()
#define CURSOR_SWAPPING_END()
#endif
void
radeon_crtc_show_cursor (xf86CrtcPtr crtc)
{
ScrnInfoPtr pScrn = crtc->scrn;
RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private;
int crtc_id = radeon_crtc->crtc_id;
RADEONInfoPtr info = RADEONPTR(pScrn);
unsigned char *RADEONMMIO = info->MMIO;
#ifdef XF86DRI
if (info->CPStarted && pScrn->pScreen) DRILock(pScrn->pScreen, 0);
#endif
RADEON_SYNC(info, pScrn);
if (crtc_id == 0)
OUTREGP(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_CUR_EN | 2 << 20,
~(RADEON_CRTC_CUR_EN | RADEON_CRTC_CUR_MODE_MASK));
else if (crtc_id == 1)
OUTREGP(RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_CUR_EN | 2 << 20,
~(RADEON_CRTC2_CUR_EN | RADEON_CRTC2_CUR_MODE_MASK));
#ifdef XF86DRI
if (info->CPStarted && pScrn->pScreen) DRIUnlock(pScrn->pScreen);
#endif
}
void
radeon_crtc_hide_cursor (xf86CrtcPtr crtc)
{
ScrnInfoPtr pScrn = crtc->scrn;
RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private;
int crtc_id = radeon_crtc->crtc_id;
RADEONInfoPtr info = RADEONPTR(pScrn);
unsigned char *RADEONMMIO = info->MMIO;
#ifdef XF86DRI
if (info->CPStarted && pScrn->pScreen) DRILock(pScrn->pScreen, 0);
#endif
RADEON_SYNC(info, pScrn);
if (crtc_id == 0)
OUTREGP(RADEON_CRTC_GEN_CNTL, 0, ~RADEON_CRTC_CUR_EN);
else if (crtc_id == 1)
OUTREGP(RADEON_CRTC2_GEN_CNTL, 0, ~RADEON_CRTC2_CUR_EN);
#ifdef XF86DRI
if (info->CPStarted && pScrn->pScreen) DRIUnlock(pScrn->pScreen);
#endif
}
void
radeon_crtc_set_cursor_position (xf86CrtcPtr crtc, int x, int y)
{
ScrnInfoPtr pScrn = crtc->scrn;
RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private;
int crtc_id = radeon_crtc->crtc_id;
RADEONInfoPtr info = RADEONPTR(pScrn);
unsigned char *RADEONMMIO = info->MMIO;
int xorigin = 0, yorigin = 0;
int stride = 256;
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(RADEON_CUR_HORZ_VERT_OFF, (RADEON_CUR_LOCK
| (xorigin << 16)
| yorigin));
OUTREG(RADEON_CUR_HORZ_VERT_POSN, (RADEON_CUR_LOCK
| ((xorigin ? 0 : x) << 16)
| (yorigin ? 0 : y)));
RADEONCTRACE(("cursor_offset: 0x%x, yorigin: %d, stride: %d, temp %08X\n",
info->cursor_offset + pScrn->fbOffset, yorigin, stride, temp));
OUTREG(RADEON_CUR_OFFSET,
info->cursor_offset + pScrn->fbOffset + yorigin * stride);
} else if (crtc_id == 1) {
OUTREG(RADEON_CUR2_HORZ_VERT_OFF, (RADEON_CUR2_LOCK
| (xorigin << 16)
| yorigin));
OUTREG(RADEON_CUR2_HORZ_VERT_POSN, (RADEON_CUR2_LOCK
| ((xorigin ? 0 : x) << 16)
| (yorigin ? 0 : y)));
RADEONCTRACE(("cursor_offset2: 0x%x, yorigin: %d, stride: %d, temp %08X\n",
info->cursor_offset + pScrn->fbOffset, yorigin, stride, temp));
OUTREG(RADEON_CUR2_OFFSET,
info->cursor_offset + pScrn->fbOffset + yorigin * stride);
}
}
void
radeon_crtc_set_cursor_colors (xf86CrtcPtr crtc, int bg, int fg)
{
ScrnInfoPtr pScrn = crtc->scrn;
RADEONInfoPtr info = RADEONPTR(pScrn);
CARD32 *pixels = (CARD32 *)(pointer)(info->FB + info->cursor_offset + pScrn->fbOffset);
int pixel, i;
CURSOR_SWAPPING_DECL_MMIO
RADEONCTRACE(("RADEONSetCursorColors\n"));
#ifdef ARGB_CURSOR
/* Don't recolour cursors set with SetCursorARGB. */
if (info->cursor_argb)
return;
#endif
fg |= 0xff000000;
bg |= 0xff000000;
/* Don't recolour the image if we don't have to. */
if (fg == info->cursor_fg && bg == info->cursor_bg)
return;
CURSOR_SWAPPING_START();
/* Note: We assume that the pixels are either fully opaque or fully
* transparent, so we won't premultiply them, and we can just
* check for non-zero pixel values; those are either fg or bg
*/
for (i = 0; i < CURSOR_WIDTH * CURSOR_HEIGHT; i++, pixels++)
if ((pixel = *pixels))
*pixels = (pixel == info->cursor_fg) ? fg : bg;
CURSOR_SWAPPING_END();
info->cursor_fg = fg;
info->cursor_bg = bg;
}
#ifdef ARGB_CURSOR
void
radeon_crtc_load_cursor_argb (xf86CrtcPtr crtc, CARD32 *image)
{
ScrnInfoPtr pScrn = crtc->scrn;
RADEONInfoPtr info = RADEONPTR(pScrn);
unsigned char *RADEONMMIO = info->MMIO;
CARD32 *d = (CARD32 *)(pointer)(info->FB + info->cursor_offset + pScrn->fbOffset);
RADEONCTRACE(("RADEONLoadCursorARGB\n"));
info->cursor_argb = TRUE;
CURSOR_SWAPPING_START();
memcpy (d, image, CURSOR_HEIGHT * CURSOR_WIDTH * 4);
CURSOR_SWAPPING_END ();
}
#endif
/* Initialize hardware cursor support. */
Bool RADEONCursorInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
RADEONInfoPtr info = RADEONPTR(pScrn);
int width;
int width_bytes;
int height;
int size_bytes;
size_bytes = CURSOR_WIDTH * 4 * CURSOR_HEIGHT;
width = pScrn->displayWidth;
width_bytes = width * (pScrn->bitsPerPixel / 8);
height = (size_bytes + width_bytes - 1) / width_bytes;
#ifdef USE_XAA
if (!info->useEXA) {
FBAreaPtr fbarea;
fbarea = xf86AllocateOffscreenArea(pScreen, width, height,
256, NULL, NULL, NULL);
if (!fbarea) {
info->cursor_offset = 0;
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"Hardware cursor disabled"
" due to insufficient offscreen memory\n");
} else {
info->cursor_offset = RADEON_ALIGN((fbarea->box.x1 +
fbarea->box.y1 * width) *
info->CurrentLayout.pixel_bytes,
256);
info->cursor_end = info->cursor_offset + size_bytes;
}
RADEONCTRACE(("RADEONCursorInit (0x%08x-0x%08x)\n",
info->cursor_offset, info->cursor_end));
}
#endif
return xf86_cursors_init (pScreen, CURSOR_WIDTH, CURSOR_HEIGHT,
(HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
#if X_BYTE_ORDER == X_BIG_ENDIAN
/* this is a lie --
* HARDWARE_CURSOR_BIT_ORDER_MSBFIRST
* actually inverts the bit order, so
* this switches to LSBFIRST
*/
HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
#endif
HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1 |
HARDWARE_CURSOR_ARGB));
}
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