1 /* 2 * SiS 300/630/730/540/315/550/650/740 frame buffer driver 3 * for Linux kernels 2.4.x and 2.5.x 4 * 5 * 2D acceleration part 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the named License, 10 * or any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA 20 * 21 * Based on the X driver's sis300_accel.h which is 22 * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria 23 * and sis310_accel.h which is 24 * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria 25 * 26 * Author: Thomas Winischhofer <thomas@winischhofer.net>: 27 * (see http://www.winischhofer.net/ 28 * for more information and updates) 29 */ 30 31 #ifndef _SISFB_ACCEL_H 32 #define _SISFB_ACCEL_H 33 34 /* Guard accelerator accesses with spin_lock_irqsave? Works well without. */ 35 #undef SISFB_USE_SPINLOCKS 36 37 #ifdef SISFB_USE_SPINLOCKS 38 #include <linux/spinlock.h> 39 #define CRITBEGIN spin_lock_irqsave(&ivideo->lockaccel, critflags); 40 #define CRITEND spin_unlock_irqrestore(&ivideo->lockaccel, critflags); 41 #define CRITFLAGS unsigned long critflags; 42 #else 43 #define CRITBEGIN 44 #define CRITEND 45 #define CRITFLAGS 46 #endif 47 48 /* Definitions for the SIS engine communication. */ 49 50 #define PATREGSIZE 384 /* Pattern register size. 384 bytes @ 0x8300 */ 51 #define BR(x) (0x8200 | (x) << 2) 52 #define PBR(x) (0x8300 | (x) << 2) 53 54 /* SiS300 engine commands */ 55 #define BITBLT 0x00000000 /* Blit */ 56 #define COLOREXP 0x00000001 /* Color expand */ 57 #define ENCOLOREXP 0x00000002 /* Enhanced color expand */ 58 #define MULTIPLE_SCANLINE 0x00000003 /* ? */ 59 #define LINE 0x00000004 /* Draw line */ 60 #define TRAPAZOID_FILL 0x00000005 /* Fill trapezoid */ 61 #define TRANSPARENT_BITBLT 0x00000006 /* Transparent Blit */ 62 63 /* Additional engine commands for 315 */ 64 #define ALPHA_BLEND 0x00000007 /* Alpha blend ? */ 65 #define A3D_FUNCTION 0x00000008 /* 3D command ? */ 66 #define CLEAR_Z_BUFFER 0x00000009 /* ? */ 67 #define GRADIENT_FILL 0x0000000A /* Gradient fill */ 68 69 /* source select */ 70 #define SRCVIDEO 0x00000000 /* source is video RAM */ 71 #define SRCSYSTEM 0x00000010 /* source is system memory */ 72 #define SRCCPUBLITBUF SRCSYSTEM /* source is CPU-driven BitBuffer (for color expand) */ 73 #define SRCAGP 0x00000020 /* source is AGP memory (?) */ 74 75 /* Pattern flags */ 76 #define PATFG 0x00000000 /* foreground color */ 77 #define PATPATREG 0x00000040 /* pattern in pattern buffer (0x8300) */ 78 #define PATMONO 0x00000080 /* mono pattern */ 79 80 /* blitting direction (300 series only) */ 81 #define X_INC 0x00010000 82 #define X_DEC 0x00000000 83 #define Y_INC 0x00020000 84 #define Y_DEC 0x00000000 85 86 /* Clipping flags */ 87 #define NOCLIP 0x00000000 88 #define NOMERGECLIP 0x04000000 89 #define CLIPENABLE 0x00040000 90 #define CLIPWITHOUTMERGE 0x04040000 91 92 /* Transparency */ 93 #define OPAQUE 0x00000000 94 #define TRANSPARENT 0x00100000 95 96 /* ? */ 97 #define DSTAGP 0x02000000 98 #define DSTVIDEO 0x02000000 99 100 /* Subfunctions for Color/Enhanced Color Expansion (315 only) */ 101 #define COLOR_TO_MONO 0x00100000 102 #define AA_TEXT 0x00200000 103 104 /* Some general registers for 315 series */ 105 #define SRC_ADDR 0x8200 106 #define SRC_PITCH 0x8204 107 #define AGP_BASE 0x8206 /* color-depth dependent value */ 108 #define SRC_Y 0x8208 109 #define SRC_X 0x820A 110 #define DST_Y 0x820C 111 #define DST_X 0x820E 112 #define DST_ADDR 0x8210 113 #define DST_PITCH 0x8214 114 #define DST_HEIGHT 0x8216 115 #define RECT_WIDTH 0x8218 116 #define RECT_HEIGHT 0x821A 117 #define PAT_FGCOLOR 0x821C 118 #define PAT_BGCOLOR 0x8220 119 #define SRC_FGCOLOR 0x8224 120 #define SRC_BGCOLOR 0x8228 121 #define MONO_MASK 0x822C 122 #define LEFT_CLIP 0x8234 123 #define TOP_CLIP 0x8236 124 #define RIGHT_CLIP 0x8238 125 #define BOTTOM_CLIP 0x823A 126 #define COMMAND_READY 0x823C 127 #define FIRE_TRIGGER 0x8240 128 129 #define PATTERN_REG 0x8300 /* 384 bytes pattern buffer */ 130 131 /* Transparent bitblit registers */ 132 #define TRANS_DST_KEY_HIGH PAT_FGCOLOR 133 #define TRANS_DST_KEY_LOW PAT_BGCOLOR 134 #define TRANS_SRC_KEY_HIGH SRC_FGCOLOR 135 #define TRANS_SRC_KEY_LOW SRC_BGCOLOR 136 137 /* Store queue length in par */ 138 #define CmdQueLen ivideo->cmdqueuelength 139 140 /* ------------- SiS 300 series -------------- */ 141 142 /* BR(16) (0x8240): 143 144 bit 31 2D engine: 1 is idle, 145 bit 30 3D engine: 1 is idle, 146 bit 29 Command queue: 1 is empty 147 bits 28:24: Current CPU driven BitBlt buffer stage bit[4:0] 148 bits 15:0: Current command queue length 149 150 */ 151 152 #define SiS300Idle \ 153 { \ 154 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \ 155 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \ 156 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \ 157 CmdQueLen = MMIO_IN16(ivideo->mmio_vbase, 0x8240); \ 158 } 159 /* (do three times, because 2D engine seems quite unsure about whether or not it's idle) */ 160 161 #define SiS300SetupSRCBase(base) \ 162 if(CmdQueLen <= 0) SiS300Idle;\ 163 MMIO_OUT32(ivideo->mmio_vbase, BR(0), base);\ 164 CmdQueLen--; 165 166 #define SiS300SetupSRCPitch(pitch) \ 167 if(CmdQueLen <= 0) SiS300Idle;\ 168 MMIO_OUT16(ivideo->mmio_vbase, BR(1), pitch);\ 169 CmdQueLen--; 170 171 #define SiS300SetupSRCXY(x,y) \ 172 if(CmdQueLen <= 0) SiS300Idle;\ 173 MMIO_OUT32(ivideo->mmio_vbase, BR(2), (x)<<16 | (y) );\ 174 CmdQueLen--; 175 176 #define SiS300SetupDSTBase(base) \ 177 if(CmdQueLen <= 0) SiS300Idle;\ 178 MMIO_OUT32(ivideo->mmio_vbase, BR(4), base);\ 179 CmdQueLen--; 180 181 #define SiS300SetupDSTXY(x,y) \ 182 if(CmdQueLen <= 0) SiS300Idle;\ 183 MMIO_OUT32(ivideo->mmio_vbase, BR(3), (x)<<16 | (y) );\ 184 CmdQueLen--; 185 186 #define SiS300SetupDSTRect(x,y) \ 187 if(CmdQueLen <= 0) SiS300Idle;\ 188 MMIO_OUT32(ivideo->mmio_vbase, BR(5), (y)<<16 | (x) );\ 189 CmdQueLen--; 190 191 #define SiS300SetupDSTColorDepth(bpp) \ 192 if(CmdQueLen <= 0) SiS300Idle;\ 193 MMIO_OUT16(ivideo->mmio_vbase, BR(1)+2, bpp);\ 194 CmdQueLen--; 195 196 #define SiS300SetupRect(w,h) \ 197 if(CmdQueLen <= 0) SiS300Idle;\ 198 MMIO_OUT32(ivideo->mmio_vbase, BR(6), (h)<<16 | (w) );\ 199 CmdQueLen--; 200 201 #define SiS300SetupPATFG(color) \ 202 if(CmdQueLen <= 0) SiS300Idle;\ 203 MMIO_OUT32(ivideo->mmio_vbase, BR(7), color);\ 204 CmdQueLen--; 205 206 #define SiS300SetupPATBG(color) \ 207 if(CmdQueLen <= 0) SiS300Idle;\ 208 MMIO_OUT32(ivideo->mmio_vbase, BR(8), color);\ 209 CmdQueLen--; 210 211 #define SiS300SetupSRCFG(color) \ 212 if(CmdQueLen <= 0) SiS300Idle;\ 213 MMIO_OUT32(ivideo->mmio_vbase, BR(9), color);\ 214 CmdQueLen--; 215 216 #define SiS300SetupSRCBG(color) \ 217 if(CmdQueLen <= 0) SiS300Idle;\ 218 MMIO_OUT32(ivideo->mmio_vbase, BR(10), color);\ 219 CmdQueLen--; 220 221 /* 0x8224 src colorkey high */ 222 /* 0x8228 src colorkey low */ 223 /* 0x821c dest colorkey high */ 224 /* 0x8220 dest colorkey low */ 225 #define SiS300SetupSRCTrans(color) \ 226 if(CmdQueLen <= 1) SiS300Idle;\ 227 MMIO_OUT32(ivideo->mmio_vbase, 0x8224, color);\ 228 MMIO_OUT32(ivideo->mmio_vbase, 0x8228, color);\ 229 CmdQueLen -= 2; 230 231 #define SiS300SetupDSTTrans(color) \ 232 if(CmdQueLen <= 1) SiS300Idle;\ 233 MMIO_OUT32(ivideo->mmio_vbase, 0x821C, color); \ 234 MMIO_OUT32(ivideo->mmio_vbase, 0x8220, color); \ 235 CmdQueLen -= 2; 236 237 #define SiS300SetupMONOPAT(p0,p1) \ 238 if(CmdQueLen <= 1) SiS300Idle;\ 239 MMIO_OUT32(ivideo->mmio_vbase, BR(11), p0);\ 240 MMIO_OUT32(ivideo->mmio_vbase, BR(12), p1);\ 241 CmdQueLen -= 2; 242 243 #define SiS300SetupClipLT(left,top) \ 244 if(CmdQueLen <= 0) SiS300Idle;\ 245 MMIO_OUT32(ivideo->mmio_vbase, BR(13), ((left) & 0xFFFF) | (top)<<16 );\ 246 CmdQueLen--; 247 248 #define SiS300SetupClipRB(right,bottom) \ 249 if(CmdQueLen <= 0) SiS300Idle;\ 250 MMIO_OUT32(ivideo->mmio_vbase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );\ 251 CmdQueLen--; 252 253 /* General */ 254 #define SiS300SetupROP(rop) \ 255 ivideo->CommandReg = (rop) << 8; 256 257 #define SiS300SetupCMDFlag(flags) \ 258 ivideo->CommandReg |= (flags); 259 260 #define SiS300DoCMD \ 261 if(CmdQueLen <= 1) SiS300Idle;\ 262 MMIO_OUT32(ivideo->mmio_vbase, BR(15), ivideo->CommandReg); \ 263 MMIO_OUT32(ivideo->mmio_vbase, BR(16), 0);\ 264 CmdQueLen -= 2; 265 266 /* -------------- SiS 315/330 series --------------- */ 267 268 /* Q_STATUS: 269 bit 31 = 1: All engines idle and all queues empty 270 bit 30 = 1: Hardware Queue (=HW CQ, 2D queue, 3D queue) empty 271 bit 29 = 1: 2D engine is idle 272 bit 28 = 1: 3D engine is idle 273 bit 27 = 1: HW command queue empty 274 bit 26 = 1: 2D queue empty 275 bit 25 = 1: 3D queue empty 276 bit 24 = 1: SW command queue empty 277 bits 23:16: 2D counter 3 278 bits 15:8: 2D counter 2 279 bits 7:0: 2D counter 1 280 */ 281 282 #define SiS310Idle \ 283 { \ 284 while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \ 285 while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \ 286 CmdQueLen = 0; \ 287 } 288 289 #define SiS310SetupSRCBase(base) \ 290 if(CmdQueLen <= 0) SiS310Idle;\ 291 MMIO_OUT32(ivideo->mmio_vbase, SRC_ADDR, base);\ 292 CmdQueLen--; 293 294 #define SiS310SetupSRCPitch(pitch) \ 295 if(CmdQueLen <= 0) SiS310Idle;\ 296 MMIO_OUT16(ivideo->mmio_vbase, SRC_PITCH, pitch);\ 297 CmdQueLen--; 298 299 #define SiS310SetupSRCXY(x,y) \ 300 if(CmdQueLen <= 0) SiS310Idle;\ 301 MMIO_OUT32(ivideo->mmio_vbase, SRC_Y, (x)<<16 | (y) );\ 302 CmdQueLen--; 303 304 #define SiS310SetupDSTBase(base) \ 305 if(CmdQueLen <= 0) SiS310Idle;\ 306 MMIO_OUT32(ivideo->mmio_vbase, DST_ADDR, base);\ 307 CmdQueLen--; 308 309 #define SiS310SetupDSTXY(x,y) \ 310 if(CmdQueLen <= 0) SiS310Idle;\ 311 MMIO_OUT32(ivideo->mmio_vbase, DST_Y, (x)<<16 | (y) );\ 312 CmdQueLen--; 313 314 #define SiS310SetupDSTRect(x,y) \ 315 if(CmdQueLen <= 0) SiS310Idle;\ 316 MMIO_OUT32(ivideo->mmio_vbase, DST_PITCH, (y)<<16 | (x) );\ 317 CmdQueLen--; 318 319 #define SiS310SetupDSTColorDepth(bpp) \ 320 if(CmdQueLen <= 0) SiS310Idle;\ 321 MMIO_OUT16(ivideo->mmio_vbase, AGP_BASE, bpp);\ 322 CmdQueLen--; 323 324 #define SiS310SetupRect(w,h) \ 325 if(CmdQueLen <= 0) SiS310Idle;\ 326 MMIO_OUT32(ivideo->mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\ 327 CmdQueLen--; 328 329 #define SiS310SetupPATFG(color) \ 330 if(CmdQueLen <= 0) SiS310Idle;\ 331 MMIO_OUT32(ivideo->mmio_vbase, PAT_FGCOLOR, color);\ 332 CmdQueLen--; 333 334 #define SiS310SetupPATBG(color) \ 335 if(CmdQueLen <= 0) SiS310Idle;\ 336 MMIO_OUT32(ivideo->mmio_vbase, PAT_BGCOLOR, color);\ 337 CmdQueLen--; 338 339 #define SiS310SetupSRCFG(color) \ 340 if(CmdQueLen <= 0) SiS310Idle;\ 341 MMIO_OUT32(ivideo->mmio_vbase, SRC_FGCOLOR, color);\ 342 CmdQueLen--; 343 344 #define SiS310SetupSRCBG(color) \ 345 if(CmdQueLen <= 0) SiS310Idle;\ 346 MMIO_OUT32(ivideo->mmio_vbase, SRC_BGCOLOR, color);\ 347 CmdQueLen--; 348 349 #define SiS310SetupSRCTrans(color) \ 350 if(CmdQueLen <= 1) SiS310Idle;\ 351 MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_HIGH, color);\ 352 MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_LOW, color);\ 353 CmdQueLen -= 2; 354 355 #define SiS310SetupDSTTrans(color) \ 356 if(CmdQueLen <= 1) SiS310Idle;\ 357 MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_HIGH, color); \ 358 MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_LOW, color); \ 359 CmdQueLen -= 2; 360 361 #define SiS310SetupMONOPAT(p0,p1) \ 362 if(CmdQueLen <= 1) SiS310Idle;\ 363 MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK, p0);\ 364 MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK+4, p1);\ 365 CmdQueLen -= 2; 366 367 #define SiS310SetupClipLT(left,top) \ 368 if(CmdQueLen <= 0) SiS310Idle;\ 369 MMIO_OUT32(ivideo->mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\ 370 CmdQueLen--; 371 372 #define SiS310SetupClipRB(right,bottom) \ 373 if(CmdQueLen <= 0) SiS310Idle;\ 374 MMIO_OUT32(ivideo->mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\ 375 CmdQueLen--; 376 377 #define SiS310SetupROP(rop) \ 378 ivideo->CommandReg = (rop) << 8; 379 380 #define SiS310SetupCMDFlag(flags) \ 381 ivideo->CommandReg |= (flags); 382 383 #define SiS310DoCMD \ 384 if(CmdQueLen <= 1) SiS310Idle;\ 385 MMIO_OUT32(ivideo->mmio_vbase, COMMAND_READY, ivideo->CommandReg); \ 386 MMIO_OUT32(ivideo->mmio_vbase, FIRE_TRIGGER, 0); \ 387 CmdQueLen -= 2; 388 389 390 int sisfb_initaccel(struct sis_video_info *ivideo); 391 void sisfb_syncaccel(struct sis_video_info *ivideo); 392 393 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33) 394 void fbcon_sis_bmove(struct display *p, int srcy, int srcx, int dsty, 395 int dstx, int height, int width); 396 void fbcon_sis_revc(struct display *p, int srcy, int srcx); 397 void fbcon_sis_clear8(struct vc_data *conp, struct display *p, int srcy, 398 int srcx, int height, int width); 399 void fbcon_sis_clear16(struct vc_data *conp, struct display *p, int srcy, 400 int srcx, int height, int width); 401 void fbcon_sis_clear32(struct vc_data *conp, struct display *p, int srcy, 402 int srcx, int height, int width); 403 #endif 404 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34) 405 void fbcon_sis_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 406 void fbcon_sis_copyarea(struct fb_info *info, const struct fb_copyarea *area); 407 #endif 408 409 #endif 410