ark_accel.c revision 3e51e026
1/* 2 * Copyright 2000 Ani Joshi <ajoshi@unixbox.com> 3 * 4 * XFree86 4.x driver for ARK Logic chipset 5 * 6 * Permission to use, copy, modify, distribute, and sell this software and its 7 * documentation for any purpose is hereby granted without fee, provided that 8 * the above copyright notice appear in all copies and that both that copyright 9 * notice and this permission notice appear in supporting documentation and 10 * that the name of Ani Joshi not be used in advertising or 11 * publicity pertaining to distribution of the software without specific, 12 * written prior permission. Ani Joshi makes no representations 13 * about the suitability of this software for any purpose. It is provided 14 * "as-is" without express or implied warranty. 15 * 16 * ANI JOSHI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 18 * EVENT SHALL ANI JOSHI BE LIABLE FOR ANY SPECIAL, INDIRECT OR 19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 22 * PERFORMANCE OF THIS SOFTWARE. 23 * 24 * 25 * Based on the 3.3.x driver by: 26 * Harm Hanemaayer <H.Hanemaayer@inter.nl.net> 27 * 28 */ 29 30#ifdef HAVE_CONFIG_H 31#include "config.h" 32#endif 33 34#include <X11/Xarch.h> 35#include "xf86.h" 36#include "xf86_OSproc.h" 37#include "compiler.h" 38 39#include "ark.h" 40#include "ark_reg.h" 41 42#ifdef HAVE_XAA_H 43static int curx, cury, cmd_flags; 44 45static void ARKSync(ScrnInfoPtr pScrn) 46{ 47 unsigned long port = 0x3cb; 48#if ABI_VIDEODRV_VERSION < 12 49 port += pScrn->domainIOBase + 0x3cb; 50#endif 51 52 for (;;) { 53 if (!(inb(port) & 0x40)) 54 break; 55 } 56} 57 58 59static void ARKSetupForSolidFill(ScrnInfoPtr pScrn, int color, 60 int rop, unsigned int planemask) 61{ 62 ARKPtr pARK = ARKPTR(pScrn); 63 64 OUTREG16(FG_COLOR, color); 65 /* ARK color mix matches X raster-ops */ 66 OUTREG16(COLOR_MIX_SEL, (rop | (rop << 8))); 67 switch (pScrn->bitsPerPixel) { 68 case 8: 69 if ((planemask & 0xff) == 0xff) 70 cmd_flags = DISABLE_PLANEMASK; 71 else { 72 OUTREG16(WRITE_PLANEMASK, planemask); 73 cmd_flags = 0; 74 } 75 break; 76 case 16: 77 if ((planemask & 0xffff) == 0xffff) 78 cmd_flags = DISABLE_PLANEMASK; 79 else { 80 OUTREG16(WRITE_PLANEMASK, planemask); 81 cmd_flags = 0; 82 } 83 break; 84 case 32: 85 OUTREG16(FG_COLOR_HI, color >> 16); 86 if ((planemask & 0xffffff) == 0xffffff) 87 cmd_flags = DISABLE_PLANEMASK; 88 else { 89 OUTREG16(WRITE_PLANEMASK, planemask); 90 cmd_flags = 0; 91 } 92 break; 93 } 94 95 curx = cury = -1; 96} 97 98 99static void ARKSubsequentSolidFillRect(ScrnInfoPtr pScrn, int x, 100 int y, int w, int h) 101{ 102 ARKPtr pARK = ARKPTR(pScrn); 103 int dst_addr; 104 105 OUTREG(WIDTH, ((h - 1) << 16) | (w - 1)); 106 if (x != curx || y != cury) { 107 dst_addr = y * pScrn->displayWidth + x; 108 OUTREG(DST_ADDR, dst_addr); 109 curx = x; 110 cury = y; 111 } 112 OUTREG16(COMMAND, SELECT_BG_COLOR | SELECT_FG_COLOR | 113 STENCIL_ONES | DISABLE_CLIPPING | BITBLT | 114 cmd_flags); 115 cury += h; 116} 117 118 119 120static void ARKSetupForScreenToScreenCopy(ScrnInfoPtr pScrn, int xdir, 121 int ydir, int rop, unsigned int planemask, 122 int trans_color) 123{ 124 ARKPtr pARK = ARKPTR(pScrn); 125 126 cmd_flags = 0; 127 if (trans_color != -1) { 128 if (pScrn->bitsPerPixel <= 16) 129 OUTREG16(TRANS_COLOR, trans_color); 130 else { 131 OUTREG16(TRANS_COLOR, trans_color & 0xffff); 132 OUTREG16(TRANS_COLOR_HI, trans_color >> 16); 133 } 134 cmd_flags = STENCIL_GENERATED; 135 OUTREG16(COLOR_MIX_SEL, rop | 0x0500); 136 } else { 137 OUTREG16(COLOR_MIX_SEL, rop | (rop << 8)); 138 } 139 140 if (ydir < 0) 141 cmd_flags |= UP; 142 if (xdir < 0) 143 cmd_flags |= LEFT; 144 145 /* yes, quite ugly */ 146 if ((pScrn->bitsPerPixel == 8 && (planemask & 0xff) == 0xff) || 147 (pScrn->bitsPerPixel == 16 && (planemask & 0xffff) == 0xffff) || 148 (pScrn->bitsPerPixel == 32 && (planemask & 0xffffff) == 0xffffff)) 149 cmd_flags |= DISABLE_PLANEMASK; 150 else 151 OUTREG16(WRITE_PLANEMASK, planemask); 152 153} 154 155 156 157static void ARKSubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, 158 int x1, int y1, 159 int x2, int y2, 160 int w, int h) 161{ 162 ARKPtr pARK = ARKPTR(pScrn); 163 int src_addr, dst_addr; 164 165 if (cmd_flags & UP) { 166 src_addr = (y1 + h - 1) * pScrn->displayWidth; 167 dst_addr = (y2 + h - 1) * pScrn->displayWidth; 168 } else { 169 src_addr = y1 * pScrn->displayWidth; 170 dst_addr = y2 * pScrn->displayWidth; 171 } 172 if (cmd_flags & LEFT) { 173 src_addr += x1 + w - 1; 174 dst_addr += x2 + w - 1; 175 } else { 176 src_addr += x1; 177 dst_addr += x2; 178 } 179 180 OUTREG(SRC_ADDR, src_addr); 181 OUTREG(DST_ADDR, dst_addr); 182 OUTREG(WIDTH, ((h - 1) << 16) | (w - 1)); 183 OUTREG16(COMMAND, BG_BITMAP | FG_BITMAP | DISABLE_CLIPPING | 184 BITBLT | cmd_flags); 185} 186 187#endif 188 189Bool ARKAccelInit(ScreenPtr pScreen) 190{ 191#ifdef HAVE_XAA_H 192 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); 193 ARKPtr pARK = ARKPTR(pScrn); 194 XAAInfoRecPtr pXAA; 195 196 if (!(pXAA = XAACreateInfoRec())) 197 return FALSE; 198 199 pXAA->Flags = LINEAR_FRAMEBUFFER; 200 201 pXAA->Sync = ARKSync; 202 pXAA->SetupForSolidFill = ARKSetupForSolidFill; 203 pXAA->SubsequentSolidFillRect = ARKSubsequentSolidFillRect; 204 pXAA->ScreenToScreenCopyFlags = 0; 205 pXAA->SetupForScreenToScreenCopy = ARKSetupForScreenToScreenCopy; 206 pXAA->SubsequentScreenToScreenCopy = ARKSubsequentScreenToScreenCopy; 207 208 OUTREG16(COLOR_MIX_SEL, 0x0303); 209 if (pARK->Chipset == PCI_CHIP_1000PV) { 210 OUTREG16(WRITE_PLANEMASK, 0xffff); 211 OUTREG16(TRANS_COLOR_MSK, 0xffff); 212 } else { 213 OUTREG16(TRANS_COLOR, 0xffff); 214 OUTREG16(TRANS_COLOR, 0xffffffff >> 16); 215 } 216 if (pARK->Chipset == PCI_CHIP_1000PV && pScrn->bitsPerPixel == 32) { 217 OUTREG16(STENCIL_PITCH, pScrn->displayWidth * 2); 218 OUTREG16(SRC_PITCH, pScrn->displayWidth * 2); 219 OUTREG16(DST_PITCH, pScrn->displayWidth * 2); 220 } else { 221 OUTREG16(STENCIL_PITCH, pScrn->displayWidth); 222 OUTREG16(SRC_PITCH, pScrn->displayWidth); 223 OUTREG16(DST_PITCH, pScrn->displayWidth); 224 } 225 226 OUTREG16(BITMAP_CONFIG, LINEAR_STENCIL_ADDR | LINEAR_SRC_ADDR | 227 LINEAR_DST_ADDR); 228 229 return XAAInit(pScreen, pXAA); 230#else 231 return FALSE; 232#endif 233} 234