diff options
Diffstat (limited to 'src/r128_cursor.c')
-rw-r--r-- | src/r128_cursor.c | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/src/r128_cursor.c b/src/r128_cursor.c deleted file mode 100644 index 5a2ac4f..0000000 --- a/src/r128_cursor.c +++ /dev/null @@ -1,263 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/r128_cursor.c,v 1.6 2003/02/13 20:28:40 tsi Exp $ */ -/* - * 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. - * - */ - - /* Driver data structures */ -#include "r128.h" -#include "r128_reg.h" - - /* X and server generic header files */ -#include "xf86.h" - -#if X_BYTE_ORDER == X_BIG_ENDIAN -#define P_SWAP32( a , b ) \ - ((char *)a)[0] = ((char *)b)[3]; \ - ((char *)a)[1] = ((char *)b)[2]; \ - ((char *)a)[2] = ((char *)b)[1]; \ - ((char *)a)[3] = ((char *)b)[0] - -#define P_SWAP16( a , b ) \ - ((char *)a)[0] = ((char *)b)[1]; \ - ((char *)a)[1] = ((char *)b)[0]; \ - ((char *)a)[2] = ((char *)b)[3]; \ - ((char *)a)[3] = ((char *)b)[2] -#endif - - -/* Set cursor foreground and background colors. */ -static void R128SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg) -{ - R128InfoPtr info = R128PTR(pScrn); - unsigned char *R128MMIO = info->MMIO; - - OUTREG(R128_CUR_CLR0, bg); - OUTREG(R128_CUR_CLR1, fg); -} - -/* Set cursor position to (x,y) with offset into cursor bitmap at - (xorigin,yorigin). */ -static void R128SetCursorPosition(ScrnInfoPtr pScrn, int x, int y) -{ - R128InfoPtr info = R128PTR(pScrn); - unsigned char *R128MMIO = info->MMIO; - xf86CursorInfoPtr cursor = info->cursor; - int xorigin = 0; - int yorigin = 0; - int total_y = pScrn->frameY1 - pScrn->frameY0; - - if (x < 0) xorigin = -x; - if (y < 0) yorigin = -y; - if (y > total_y) y = total_y; - if (info->Flags & V_DBLSCAN) y *= 2; - if (xorigin >= cursor->MaxWidth) xorigin = cursor->MaxWidth - 1; - if (yorigin >= cursor->MaxHeight) yorigin = cursor->MaxHeight - 1; - - 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, info->cursor_start + yorigin * 16); -} - -/* Copy cursor image from `image' to video memory. R128SetCursorPosition - will be called after this, so we can ignore xorigin and yorigin. */ -static void R128LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *image) -{ - R128InfoPtr info = R128PTR(pScrn); - unsigned char *R128MMIO = info->MMIO; - CARD32 *s = (pointer)image; - CARD32 *d = (pointer)(info->FB + info->cursor_start); - int y; - CARD32 save; - - save = INREG(R128_CRTC_GEN_CNTL); - OUTREG(R128_CRTC_GEN_CNTL, save & (CARD32)~R128_CRTC_CUR_EN); - -#if X_BYTE_ORDER == X_BIG_ENDIAN - switch(info->CurrentLayout.pixel_bytes) { - case 4: - case 3: - for (y = 0; y < 64; y++) { - P_SWAP32(d,s); - d++; s++; - P_SWAP32(d,s); - d++; s++; - P_SWAP32(d,s); - d++; s++; - P_SWAP32(d,s); - d++; s++; - } - break; - case 2: - for (y = 0; y < 64; y++) { - P_SWAP16(d,s); - d++; s++; - P_SWAP16(d,s); - d++; s++; - P_SWAP16(d,s); - d++; s++; - P_SWAP16(d,s); - d++; s++; - } - break; - default: - for (y = 0; y < 64; y++) { - *d++ = *s++; - *d++ = *s++; - *d++ = *s++; - *d++ = *s++; - } - } -#else - for (y = 0; y < 64; y++) { - *d++ = *s++; - *d++ = *s++; - *d++ = *s++; - *d++ = *s++; - } -#endif - - /* Set the area after the cursor to be all transparent so that we - won't display corrupted cursors on the screen */ - for (y = 0; y < 64; y++) { - *d++ = 0xffffffff; /* The AND bits */ - *d++ = 0xffffffff; - *d++ = 0x00000000; /* The XOR bits */ - *d++ = 0x00000000; - } - - - OUTREG(R128_CRTC_GEN_CNTL, save); -} - -/* Hide hardware cursor. */ -static void R128HideCursor(ScrnInfoPtr pScrn) -{ - R128InfoPtr info = R128PTR(pScrn); - unsigned char *R128MMIO = info->MMIO; - - OUTREGP(R128_CRTC_GEN_CNTL, 0, ~R128_CRTC_CUR_EN); -} - -/* Show hardware cursor. */ -static void R128ShowCursor(ScrnInfoPtr pScrn) -{ - R128InfoPtr info = R128PTR(pScrn); - unsigned char *R128MMIO = info->MMIO; - - OUTREGP(R128_CRTC_GEN_CNTL, R128_CRTC_CUR_EN, ~R128_CRTC_CUR_EN); -} - -/* Determine if hardware cursor is in use. */ -static Bool R128UseHWCursor(ScreenPtr pScreen, CursorPtr pCurs) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - R128InfoPtr info = R128PTR(pScrn); - - return info->cursor_start ? TRUE : FALSE; -} - -/* Initialize hardware cursor support. */ -Bool R128CursorInit(ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - R128InfoPtr info = R128PTR(pScrn); - xf86CursorInfoPtr cursor; - FBAreaPtr fbarea; - int width; - int height; - int size; - - - if (!(cursor = info->cursor = xf86CreateCursorInfoRec())) return FALSE; - - cursor->MaxWidth = 64; - cursor->MaxHeight = 64; - cursor->Flags = (HARDWARE_CURSOR_TRUECOLOR_AT_8BPP - | 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_AND_SOURCE_WITH_MASK - | HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 - | HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK); - - cursor->SetCursorColors = R128SetCursorColors; - cursor->SetCursorPosition = R128SetCursorPosition; - cursor->LoadCursorImage = R128LoadCursorImage; - cursor->HideCursor = R128HideCursor; - cursor->ShowCursor = R128ShowCursor; - cursor->UseHWCursor = R128UseHWCursor; - - size = (cursor->MaxWidth/4) * cursor->MaxHeight; - width = pScrn->displayWidth; - height = (size*2 + 1023) / pScrn->displayWidth; - fbarea = xf86AllocateOffscreenArea(pScreen, - width, - height, - 16, - NULL, - NULL, - NULL); - - if (!fbarea) { - info->cursor_start = 0; - xf86DrvMsg(pScrn->scrnIndex, X_WARNING, - "Hardware cursor disabled" - " due to insufficient offscreen memory\n"); - } else { - info->cursor_start = R128_ALIGN((fbarea->box.x1 - + width * fbarea->box.y1) - * info->CurrentLayout.pixel_bytes, 16); - info->cursor_end = info->cursor_start + size; - } - - R128TRACE(("R128CursorInit (0x%08x-0x%08x)\n", - info->cursor_start, info->cursor_end)); - - return xf86InitCursor(pScreen, cursor); -} |