1 /* 2 * SiS 300/540/630[S]/730[S], 3 * SiS 315[E|PRO]/550/[M]650/651/[M]661[F|M]X/740/[M]741[GX]/330/[M]760[GX], 4 * XGI V3XT/V5/V8, Z7 5 * frame buffer driver for Linux kernels >= 2.4.14 and >=2.6.3 6 * 7 * 2D acceleration part 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the named License, 12 * or any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA 22 * 23 * Based on the X driver's sis300_accel.h which is 24 * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria 25 * and sis310_accel.h which is 26 * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria 27 * 28 * Author: Thomas Winischhofer <thomas@winischhofer.net>: 29 * (see http://www.winischhofer.net/ 30 * for more information and updates) 31 */ 32 33 #ifndef _SISFB_ACCEL_H 34 #define _SISFB_ACCEL_H 35 36 /* Guard accelerator accesses with spin_lock_irqsave? Works well without. */ 37 #undef SISFB_USE_SPINLOCKS 38 39 #ifdef SISFB_USE_SPINLOCKS 40 #include <linux/spinlock.h> 41 #define CRITBEGIN spin_lock_irqsave(&ivideo->lockaccel, critflags); 42 #define CRITEND spin_unlock_irqrestore(&ivideo->lockaccel, critflags); 43 #define CRITFLAGS unsigned long critflags; 44 #else 45 #define CRITBEGIN 46 #define CRITEND 47 #define CRITFLAGS 48 #endif 49 50 /* Definitions for the SIS engine communication. */ 51 52 #define PATREGSIZE 384 /* Pattern register size. 384 bytes @ 0x8300 */ 53 #define BR(x) (0x8200 | (x) << 2) 54 #define PBR(x) (0x8300 | (x) << 2) 55 56 /* SiS300 engine commands */ 57 #define BITBLT 0x00000000 /* Blit */ 58 #define COLOREXP 0x00000001 /* Color expand */ 59 #define ENCOLOREXP 0x00000002 /* Enhanced color expand */ 60 #define MULTIPLE_SCANLINE 0x00000003 /* ? */ 61 #define LINE 0x00000004 /* Draw line */ 62 #define TRAPAZOID_FILL 0x00000005 /* Fill trapezoid */ 63 #define TRANSPARENT_BITBLT 0x00000006 /* Transparent Blit */ 64 65 /* Additional engine commands for 315 */ 66 #define ALPHA_BLEND 0x00000007 /* Alpha blend ? */ 67 #define A3D_FUNCTION 0x00000008 /* 3D command ? */ 68 #define CLEAR_Z_BUFFER 0x00000009 /* ? */ 69 #define GRADIENT_FILL 0x0000000A /* Gradient fill */ 70 71 /* source select */ 72 #define SRCVIDEO 0x00000000 /* source is video RAM */ 73 #define SRCSYSTEM 0x00000010 /* source is system memory */ 74 #define SRCCPUBLITBUF SRCSYSTEM /* source is CPU-driven BitBuffer (for color expand) */ 75 #define SRCAGP 0x00000020 /* source is AGP memory (?) */ 76 77 /* Pattern flags */ 78 #define PATFG 0x00000000 /* foreground color */ 79 #define PATPATREG 0x00000040 /* pattern in pattern buffer (0x8300) */ 80 #define PATMONO 0x00000080 /* mono pattern */ 81 82 /* blitting direction (300 series only) */ 83 #define X_INC 0x00010000 84 #define X_DEC 0x00000000 85 #define Y_INC 0x00020000 86 #define Y_DEC 0x00000000 87 88 /* Clipping flags */ 89 #define NOCLIP 0x00000000 90 #define NOMERGECLIP 0x04000000 91 #define CLIPENABLE 0x00040000 92 #define CLIPWITHOUTMERGE 0x04040000 93 94 /* Transparency */ 95 #define OPAQUE 0x00000000 96 #define TRANSPARENT 0x00100000 97 98 /* ? */ 99 #define DSTAGP 0x02000000 100 #define DSTVIDEO 0x02000000 101 102 /* Subfunctions for Color/Enhanced Color Expansion (315 only) */ 103 #define COLOR_TO_MONO 0x00100000 104 #define AA_TEXT 0x00200000 105 106 /* Some general registers for 315 series */ 107 #define SRC_ADDR 0x8200 108 #define SRC_PITCH 0x8204 109 #define AGP_BASE 0x8206 /* color-depth dependent value */ 110 #define SRC_Y 0x8208 111 #define SRC_X 0x820A 112 #define DST_Y 0x820C 113 #define DST_X 0x820E 114 #define DST_ADDR 0x8210 115 #define DST_PITCH 0x8214 116 #define DST_HEIGHT 0x8216 117 #define RECT_WIDTH 0x8218 118 #define RECT_HEIGHT 0x821A 119 #define PAT_FGCOLOR 0x821C 120 #define PAT_BGCOLOR 0x8220 121 #define SRC_FGCOLOR 0x8224 122 #define SRC_BGCOLOR 0x8228 123 #define MONO_MASK 0x822C 124 #define LEFT_CLIP 0x8234 125 #define TOP_CLIP 0x8236 126 #define RIGHT_CLIP 0x8238 127 #define BOTTOM_CLIP 0x823A 128 #define COMMAND_READY 0x823C 129 #define FIRE_TRIGGER 0x8240 130 131 #define PATTERN_REG 0x8300 /* 384 bytes pattern buffer */ 132 133 /* Transparent bitblit registers */ 134 #define TRANS_DST_KEY_HIGH PAT_FGCOLOR 135 #define TRANS_DST_KEY_LOW PAT_BGCOLOR 136 #define TRANS_SRC_KEY_HIGH SRC_FGCOLOR 137 #define TRANS_SRC_KEY_LOW SRC_BGCOLOR 138 139 /* Store queue length in par */ 140 #define CmdQueLen ivideo->cmdqueuelength 141 142 /* ------------- SiS 300 series -------------- */ 143 144 /* BR(16) (0x8240): 145 146 bit 31 2D engine: 1 is idle, 147 bit 30 3D engine: 1 is idle, 148 bit 29 Command queue: 1 is empty 149 bits 28:24: Current CPU driven BitBlt buffer stage bit[4:0] 150 bits 15:0: Current command queue length 151 152 */ 153 154 #define SiS300Idle \ 155 { \ 156 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \ 157 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \ 158 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \ 159 CmdQueLen = MMIO_IN16(ivideo->mmio_vbase, 0x8240); \ 160 } 161 /* (do three times, because 2D engine seems quite unsure about whether or not it's idle) */ 162 163 #define SiS300SetupSRCBase(base) \ 164 if(CmdQueLen <= 0) SiS300Idle;\ 165 MMIO_OUT32(ivideo->mmio_vbase, BR(0), base);\ 166 CmdQueLen--; 167 168 #define SiS300SetupSRCPitch(pitch) \ 169 if(CmdQueLen <= 0) SiS300Idle;\ 170 MMIO_OUT16(ivideo->mmio_vbase, BR(1), pitch);\ 171 CmdQueLen--; 172 173 #define SiS300SetupSRCXY(x,y) \ 174 if(CmdQueLen <= 0) SiS300Idle;\ 175 MMIO_OUT32(ivideo->mmio_vbase, BR(2), (x)<<16 | (y) );\ 176 CmdQueLen--; 177 178 #define SiS300SetupDSTBase(base) \ 179 if(CmdQueLen <= 0) SiS300Idle;\ 180 MMIO_OUT32(ivideo->mmio_vbase, BR(4), base);\ 181 CmdQueLen--; 182 183 #define SiS300SetupDSTXY(x,y) \ 184 if(CmdQueLen <= 0) SiS300Idle;\ 185 MMIO_OUT32(ivideo->mmio_vbase, BR(3), (x)<<16 | (y) );\ 186 CmdQueLen--; 187 188 #define SiS300SetupDSTRect(x,y) \ 189 if(CmdQueLen <= 0) SiS300Idle;\ 190 MMIO_OUT32(ivideo->mmio_vbase, BR(5), (y)<<16 | (x) );\ 191 CmdQueLen--; 192 193 #define SiS300SetupDSTColorDepth(bpp) \ 194 if(CmdQueLen <= 0) SiS300Idle;\ 195 MMIO_OUT16(ivideo->mmio_vbase, BR(1)+2, bpp);\ 196 CmdQueLen--; 197 198 #define SiS300SetupRect(w,h) \ 199 if(CmdQueLen <= 0) SiS300Idle;\ 200 MMIO_OUT32(ivideo->mmio_vbase, BR(6), (h)<<16 | (w) );\ 201 CmdQueLen--; 202 203 #define SiS300SetupPATFG(color) \ 204 if(CmdQueLen <= 0) SiS300Idle;\ 205 MMIO_OUT32(ivideo->mmio_vbase, BR(7), color);\ 206 CmdQueLen--; 207 208 #define SiS300SetupPATBG(color) \ 209 if(CmdQueLen <= 0) SiS300Idle;\ 210 MMIO_OUT32(ivideo->mmio_vbase, BR(8), color);\ 211 CmdQueLen--; 212 213 #define SiS300SetupSRCFG(color) \ 214 if(CmdQueLen <= 0) SiS300Idle;\ 215 MMIO_OUT32(ivideo->mmio_vbase, BR(9), color);\ 216 CmdQueLen--; 217 218 #define SiS300SetupSRCBG(color) \ 219 if(CmdQueLen <= 0) SiS300Idle;\ 220 MMIO_OUT32(ivideo->mmio_vbase, BR(10), color);\ 221 CmdQueLen--; 222 223 /* 0x8224 src colorkey high */ 224 /* 0x8228 src colorkey low */ 225 /* 0x821c dest colorkey high */ 226 /* 0x8220 dest colorkey low */ 227 #define SiS300SetupSRCTrans(color) \ 228 if(CmdQueLen <= 1) SiS300Idle;\ 229 MMIO_OUT32(ivideo->mmio_vbase, 0x8224, color);\ 230 MMIO_OUT32(ivideo->mmio_vbase, 0x8228, color);\ 231 CmdQueLen -= 2; 232 233 #define SiS300SetupDSTTrans(color) \ 234 if(CmdQueLen <= 1) SiS300Idle;\ 235 MMIO_OUT32(ivideo->mmio_vbase, 0x821C, color); \ 236 MMIO_OUT32(ivideo->mmio_vbase, 0x8220, color); \ 237 CmdQueLen -= 2; 238 239 #define SiS300SetupMONOPAT(p0,p1) \ 240 if(CmdQueLen <= 1) SiS300Idle;\ 241 MMIO_OUT32(ivideo->mmio_vbase, BR(11), p0);\ 242 MMIO_OUT32(ivideo->mmio_vbase, BR(12), p1);\ 243 CmdQueLen -= 2; 244 245 #define SiS300SetupClipLT(left,top) \ 246 if(CmdQueLen <= 0) SiS300Idle;\ 247 MMIO_OUT32(ivideo->mmio_vbase, BR(13), ((left) & 0xFFFF) | (top)<<16 );\ 248 CmdQueLen--; 249 250 #define SiS300SetupClipRB(right,bottom) \ 251 if(CmdQueLen <= 0) SiS300Idle;\ 252 MMIO_OUT32(ivideo->mmio_vbase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );\ 253 CmdQueLen--; 254 255 /* General */ 256 #define SiS300SetupROP(rop) \ 257 ivideo->CommandReg = (rop) << 8; 258 259 #define SiS300SetupCMDFlag(flags) \ 260 ivideo->CommandReg |= (flags); 261 262 #define SiS300DoCMD \ 263 if(CmdQueLen <= 1) SiS300Idle;\ 264 MMIO_OUT32(ivideo->mmio_vbase, BR(15), ivideo->CommandReg); \ 265 MMIO_OUT32(ivideo->mmio_vbase, BR(16), 0);\ 266 CmdQueLen -= 2; 267 268 /* -------------- SiS 315/330 series --------------- */ 269 270 /* Q_STATUS: 271 bit 31 = 1: All engines idle and all queues empty 272 bit 30 = 1: Hardware Queue (=HW CQ, 2D queue, 3D queue) empty 273 bit 29 = 1: 2D engine is idle 274 bit 28 = 1: 3D engine is idle 275 bit 27 = 1: HW command queue empty 276 bit 26 = 1: 2D queue empty 277 bit 25 = 1: 3D queue empty 278 bit 24 = 1: SW command queue empty 279 bits 23:16: 2D counter 3 280 bits 15:8: 2D counter 2 281 bits 7:0: 2D counter 1 282 */ 283 284 #define SiS310Idle \ 285 { \ 286 while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \ 287 while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \ 288 while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \ 289 while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \ 290 CmdQueLen = 0; \ 291 } 292 293 #define SiS310SetupSRCBase(base) \ 294 if(CmdQueLen <= 0) SiS310Idle;\ 295 MMIO_OUT32(ivideo->mmio_vbase, SRC_ADDR, base);\ 296 CmdQueLen--; 297 298 #define SiS310SetupSRCPitch(pitch) \ 299 if(CmdQueLen <= 0) SiS310Idle;\ 300 MMIO_OUT16(ivideo->mmio_vbase, SRC_PITCH, pitch);\ 301 CmdQueLen--; 302 303 #define SiS310SetupSRCXY(x,y) \ 304 if(CmdQueLen <= 0) SiS310Idle;\ 305 MMIO_OUT32(ivideo->mmio_vbase, SRC_Y, (x)<<16 | (y) );\ 306 CmdQueLen--; 307 308 #define SiS310SetupDSTBase(base) \ 309 if(CmdQueLen <= 0) SiS310Idle;\ 310 MMIO_OUT32(ivideo->mmio_vbase, DST_ADDR, base);\ 311 CmdQueLen--; 312 313 #define SiS310SetupDSTXY(x,y) \ 314 if(CmdQueLen <= 0) SiS310Idle;\ 315 MMIO_OUT32(ivideo->mmio_vbase, DST_Y, (x)<<16 | (y) );\ 316 CmdQueLen--; 317 318 #define SiS310SetupDSTRect(x,y) \ 319 if(CmdQueLen <= 0) SiS310Idle;\ 320 MMIO_OUT32(ivideo->mmio_vbase, DST_PITCH, (y)<<16 | (x) );\ 321 CmdQueLen--; 322 323 #define SiS310SetupDSTColorDepth(bpp) \ 324 if(CmdQueLen <= 0) SiS310Idle;\ 325 MMIO_OUT16(ivideo->mmio_vbase, AGP_BASE, bpp);\ 326 CmdQueLen--; 327 328 #define SiS310SetupRect(w,h) \ 329 if(CmdQueLen <= 0) SiS310Idle;\ 330 MMIO_OUT32(ivideo->mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\ 331 CmdQueLen--; 332 333 #define SiS310SetupPATFG(color) \ 334 if(CmdQueLen <= 0) SiS310Idle;\ 335 MMIO_OUT32(ivideo->mmio_vbase, PAT_FGCOLOR, color);\ 336 CmdQueLen--; 337 338 #define SiS310SetupPATBG(color) \ 339 if(CmdQueLen <= 0) SiS310Idle;\ 340 MMIO_OUT32(ivideo->mmio_vbase, PAT_BGCOLOR, color);\ 341 CmdQueLen--; 342 343 #define SiS310SetupSRCFG(color) \ 344 if(CmdQueLen <= 0) SiS310Idle;\ 345 MMIO_OUT32(ivideo->mmio_vbase, SRC_FGCOLOR, color);\ 346 CmdQueLen--; 347 348 #define SiS310SetupSRCBG(color) \ 349 if(CmdQueLen <= 0) SiS310Idle;\ 350 MMIO_OUT32(ivideo->mmio_vbase, SRC_BGCOLOR, color);\ 351 CmdQueLen--; 352 353 #define SiS310SetupSRCTrans(color) \ 354 if(CmdQueLen <= 1) SiS310Idle;\ 355 MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_HIGH, color);\ 356 MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_LOW, color);\ 357 CmdQueLen -= 2; 358 359 #define SiS310SetupDSTTrans(color) \ 360 if(CmdQueLen <= 1) SiS310Idle;\ 361 MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_HIGH, color); \ 362 MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_LOW, color); \ 363 CmdQueLen -= 2; 364 365 #define SiS310SetupMONOPAT(p0,p1) \ 366 if(CmdQueLen <= 1) SiS310Idle;\ 367 MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK, p0);\ 368 MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK+4, p1);\ 369 CmdQueLen -= 2; 370 371 #define SiS310SetupClipLT(left,top) \ 372 if(CmdQueLen <= 0) SiS310Idle;\ 373 MMIO_OUT32(ivideo->mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\ 374 CmdQueLen--; 375 376 #define SiS310SetupClipRB(right,bottom) \ 377 if(CmdQueLen <= 0) SiS310Idle;\ 378 MMIO_OUT32(ivideo->mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\ 379 CmdQueLen--; 380 381 #define SiS310SetupROP(rop) \ 382 ivideo->CommandReg = (rop) << 8; 383 384 #define SiS310SetupCMDFlag(flags) \ 385 ivideo->CommandReg |= (flags); 386 387 #define SiS310DoCMD \ 388 if(CmdQueLen <= 1) SiS310Idle;\ 389 MMIO_OUT32(ivideo->mmio_vbase, COMMAND_READY, ivideo->CommandReg); \ 390 MMIO_OUT32(ivideo->mmio_vbase, FIRE_TRIGGER, 0); \ 391 CmdQueLen -= 2; 392 393 int sisfb_initaccel(struct sis_video_info *ivideo); 394 void sisfb_syncaccel(struct sis_video_info *ivideo); 395 396 int fbcon_sis_sync(struct fb_info *info); 397 void fbcon_sis_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 398 void fbcon_sis_copyarea(struct fb_info *info, const struct fb_copyarea *area); 399 400 #endif 401