grf_cv.c revision 1.39
1 /* $NetBSD: grf_cv.c,v 1.39 2005/12/11 12:16:28 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Michael Teske 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Ezra Story, by Kari 18 * Mettinen, Michael Teske and by Bernd Ernesti. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #include "opt_amigacons.h" 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: grf_cv.c,v 1.39 2005/12/11 12:16:28 christos Exp $"); 37 38 #include "grfcv.h" 39 #if NGRFCV > 0 40 41 /* 42 * Graphics routines for the CyberVision 64 board, using the S3 Trio64. 43 * 44 * Modified for CV64 from 45 * Kari Mettinen's Cirrus driver by Michael Teske 10/95 46 * 47 * Thanks to Tekelec Airtronic for providing me with a S3 Trio64 documentation. 48 * Thanks to Bernd 'the fabulous bug-finder' Ernesti for bringing my messy 49 * source to NetBSD style :) 50 * Thanks to Harald Koenig for providing information about undocumented 51 * Trio64 Bugs. 52 */ 53 54 #include <sys/param.h> 55 #include <sys/errno.h> 56 #include <sys/ioctl.h> 57 #include <sys/device.h> 58 #include <sys/malloc.h> 59 #include <sys/systm.h> 60 #include <sys/syslog.h> 61 #include <machine/cpu.h> 62 #include <dev/cons.h> 63 #include <amiga/dev/itevar.h> 64 #include <amiga/amiga/device.h> 65 #include <amiga/amiga/isr.h> 66 #include <amiga/dev/grfioctl.h> 67 #include <amiga/dev/grfvar.h> 68 #include <amiga/dev/grf_cvreg.h> 69 #include <amiga/dev/zbusvar.h> 70 71 int grfcvmatch(struct device *, struct cfdata *, void *); 72 void grfcvattach(struct device *, struct device *, void *); 73 int grfcvprint(void *, const char *); 74 75 int cvintr(void *); 76 static int cv_has_4mb(volatile caddr_t); 77 static unsigned short cv_compute_clock(unsigned long); 78 void cv_boardinit(struct grf_softc *); 79 int cv_getvmode(struct grf_softc *, struct grfvideo_mode *); 80 int cv_setvmode(struct grf_softc *, unsigned int); 81 int cv_blank(struct grf_softc *, int *); 82 int cv_mode(register struct grf_softc *, u_long, void *, u_long, int); 83 int cv_ioctl(register struct grf_softc *gp, u_long cmd, void *data); 84 int cv_setmonitor(struct grf_softc *, struct grfvideo_mode *); 85 int cv_getcmap(struct grf_softc *, struct grf_colormap *); 86 int cv_putcmap(struct grf_softc *, struct grf_colormap *); 87 int cv_toggle(struct grf_softc *); 88 int cv_mondefok(struct grfvideo_mode *); 89 int cv_load_mon(struct grf_softc *, struct grfcvtext_mode *); 90 void cv_inittextmode(struct grf_softc *); 91 static __inline void cv_write_port(unsigned short, volatile caddr_t); 92 static __inline void cvscreen(int, volatile caddr_t); 93 static __inline void gfx_on_off(int, volatile caddr_t); 94 95 #ifndef CV_NO_HARDWARE_CURSOR 96 int cv_getspritepos(struct grf_softc *, struct grf_position *); 97 int cv_setspritepos(struct grf_softc *, struct grf_position *); 98 int cv_getspriteinfo(struct grf_softc *,struct grf_spriteinfo *); 99 void cv_setup_hwc(struct grf_softc *); 100 int cv_setspriteinfo(struct grf_softc *,struct grf_spriteinfo *); 101 int cv_getspritemax(struct grf_softc *,struct grf_position *); 102 #endif /* !CV_NO_HARDWARE_CURSOR */ 103 104 /* 105 * Extension to grf_softc for interrupt support 106 */ 107 108 struct grf_cv_softc { 109 struct grf_softc gcs_sc; 110 struct isr gcs_isr; 111 }; 112 113 /* Graphics display definitions. 114 * These are filled by 'grfconfig' using GRFIOCSETMON. 115 */ 116 #define monitor_def_max 24 117 static struct grfvideo_mode monitor_def[24] = { 118 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, 119 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, 120 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0} 121 }; 122 static struct grfvideo_mode *monitor_current = &monitor_def[0]; 123 #define MAXPIXELCLOCK 135000000 /* safety */ 124 125 unsigned char cv_pass_toggle; /* passthru status tracker */ 126 127 /* Console display definition. 128 * Default hardcoded text mode. This grf_cv is set up to 129 * use one text mode only, and this is it. You may use 130 * grfconfig to change the mode after boot. 131 */ 132 133 /* Console font */ 134 #ifdef KFONT_8X11 135 #define S3FONT kernel_font_8x11 136 #define S3FONTY 11 137 #else 138 #define S3FONT kernel_font_8x8 139 #define S3FONTY 8 140 #endif 141 extern unsigned char S3FONT[]; 142 143 /* 144 * Define default console mode 145 * (Internally, we still have to use hvalues/8!) 146 */ 147 struct grfcvtext_mode cvconsole_mode = { 148 {255, "", 25000000, 640, 480, 4, 640/8, 680/8, 768/8, 800/8, 149 481, 491, 493, 525, 0}, 150 8, S3FONTY, 80, 480 / S3FONTY, S3FONT, 32, 255 151 }; 152 153 /* Console colors */ 154 unsigned char cvconscolors[16][3] = { /* background, foreground, hilite */ 155 /* R G B */ 156 {0x30, 0x30, 0x30}, 157 {0x00, 0x00, 0x00}, 158 {0x80, 0x00, 0x00}, 159 {0x00, 0x80, 0x00}, 160 {0x00, 0x00, 0x80}, 161 {0x80, 0x80, 0x00}, 162 {0x00, 0x80, 0x80}, 163 {0x80, 0x00, 0x80}, 164 {0xff, 0xff, 0xff}, 165 {0x40, 0x40, 0x40}, 166 {0xff, 0x00, 0x00}, 167 {0x00, 0xff, 0x00}, 168 {0x00, 0x00, 0xff}, 169 {0xff, 0xff, 0x00}, 170 {0x00, 0xff, 0xff}, 171 {0x00, 0x00, 0xff} 172 }; 173 174 static unsigned char clocks[]={ 175 0x13, 0x61, 0x6b, 0x6d, 0x51, 0x69, 0x54, 0x69, 176 0x4f, 0x68, 0x6b, 0x6b, 0x18, 0x61, 0x7b, 0x6c, 177 0x51, 0x67, 0x24, 0x62, 0x56, 0x67, 0x77, 0x6a, 178 0x1d, 0x61, 0x53, 0x66, 0x6b, 0x68, 0x79, 0x69, 179 0x7c, 0x69, 0x7f, 0x69, 0x22, 0x61, 0x54, 0x65, 180 0x56, 0x65, 0x58, 0x65, 0x67, 0x66, 0x41, 0x63, 181 0x27, 0x61, 0x13, 0x41, 0x37, 0x62, 0x6b, 0x4d, 182 0x23, 0x43, 0x51, 0x49, 0x79, 0x66, 0x54, 0x49, 183 0x7d, 0x66, 0x34, 0x56, 0x4f, 0x63, 0x1f, 0x42, 184 0x6b, 0x4b, 0x7e, 0x4d, 0x18, 0x41, 0x2a, 0x43, 185 0x7b, 0x4c, 0x74, 0x4b, 0x51, 0x47, 0x65, 0x49, 186 0x24, 0x42, 0x68, 0x49, 0x56, 0x47, 0x75, 0x4a, 187 0x77, 0x4a, 0x31, 0x43, 0x1d, 0x41, 0x71, 0x49, 188 0x53, 0x46, 0x29, 0x42, 0x6b, 0x48, 0x1f, 0x41, 189 0x79, 0x49, 0x6f, 0x48, 0x7c, 0x49, 0x38, 0x43, 190 0x7f, 0x49, 0x5d, 0x46, 0x22, 0x41, 0x53, 0x45, 191 0x54, 0x45, 0x55, 0x45, 0x56, 0x45, 0x57, 0x45, 192 0x58, 0x45, 0x25, 0x41, 0x67, 0x46, 0x5b, 0x45, 193 0x41, 0x43, 0x78, 0x47, 0x27, 0x41, 0x51, 0x44, 194 0x13, 0x21, 0x7d, 0x47, 0x37, 0x42, 0x71, 0x46, 195 0x6b, 0x2d, 0x14, 0x21, 0x23, 0x23, 0x7d, 0x2f, 196 0x51, 0x29, 0x61, 0x2b, 0x79, 0x46, 0x1d, 0x22, 197 0x54, 0x29, 0x45, 0x27, 0x7d, 0x46, 0x7f, 0x46, 198 0x4f, 0x43, 0x2f, 0x41, 0x1f, 0x22, 0x6a, 0x2b, 199 0x6b, 0x2b, 0x5b, 0x29, 0x7e, 0x2d, 0x65, 0x44, 200 0x18, 0x21, 0x5e, 0x29, 0x2a, 0x23, 0x45, 0x26, 201 0x7b, 0x2c, 0x19, 0x21, 0x74, 0x2b, 0x75, 0x2b, 202 0x51, 0x27, 0x3f, 0x25, 0x65, 0x29, 0x40, 0x25, 203 0x24, 0x22, 0x41, 0x25, 0x68, 0x29, 0x42, 0x25, 204 0x56, 0x27, 0x7e, 0x2b, 0x75, 0x2a, 0x1c, 0x21, 205 0x77, 0x2a, 0x4f, 0x26, 0x31, 0x23, 0x6f, 0x29, 206 0x1d, 0x21, 0x32, 0x23, 0x71, 0x29, 0x72, 0x29, 207 0x53, 0x26, 0x69, 0x28, 0x29, 0x22, 0x75, 0x29, 208 0x6b, 0x28, 0x1f, 0x21, 0x1f, 0x21, 0x6d, 0x28, 209 0x79, 0x29, 0x2b, 0x22, 0x6f, 0x28, 0x59, 0x26, 210 0x7c, 0x29, 0x7d, 0x29, 0x38, 0x23, 0x21, 0x21, 211 0x7f, 0x29, 0x39, 0x23, 0x5d, 0x26, 0x75, 0x28, 212 0x22, 0x21, 0x77, 0x28, 0x53, 0x25, 0x6c, 0x27, 213 0x54, 0x25, 0x61, 0x26, 0x55, 0x25, 0x30, 0x22, 214 0x56, 0x25, 0x63, 0x26, 0x57, 0x25, 0x71, 0x27, 215 0x58, 0x25, 0x7f, 0x28, 0x25, 0x21, 0x74, 0x27, 216 0x67, 0x26, 0x40, 0x23, 0x5b, 0x25, 0x26, 0x21, 217 0x41, 0x23, 0x34, 0x22, 0x78, 0x27, 0x6b, 0x26, 218 0x27, 0x21, 0x35, 0x22, 0x51, 0x24, 0x7b, 0x27, 219 0x13, 0x1, 0x13, 0x1, 0x7d, 0x27, 0x4c, 0x9, 220 0x37, 0x22, 0x5b, 0xb, 0x71, 0x26, 0x5c, 0xb, 221 0x6b, 0xd, 0x47, 0x23, 0x14, 0x1, 0x4f, 0x9, 222 0x23, 0x3, 0x75, 0x26, 0x7d, 0xf, 0x1c, 0x2, 223 0x51, 0x9, 0x59, 0x24, 0x61, 0xb, 0x69, 0x25, 224 0x79, 0x26, 0x34, 0x5, 0x1d, 0x2, 0x6b, 0x25, 225 0x54, 0x9, 0x35, 0x5, 0x45, 0x7, 0x6d, 0x25, 226 0x7d, 0x26, 0x16, 0x1, 0x7f, 0x26, 0x77, 0xd, 227 0x4f, 0x23, 0x78, 0xd, 0x2f, 0x21, 0x27, 0x3, 228 0x1f, 0x2, 0x59, 0x9, 0x6a, 0xb, 0x73, 0x25, 229 0x6b, 0xb, 0x63, 0x24, 0x5b, 0x9, 0x20, 0x2, 230 0x7e, 0xd, 0x4b, 0x7, 0x65, 0x24, 0x43, 0x22, 231 0x18, 0x1, 0x6f, 0xb, 0x5e, 0x9, 0x70, 0xb, 232 0x2a, 0x3, 0x33, 0x4, 0x45, 0x6, 0x60, 0x9, 233 0x7b, 0xc, 0x19, 0x1, 0x19, 0x1, 0x7d, 0xc, 234 0x74, 0xb, 0x50, 0x7, 0x75, 0xb, 0x63, 0x9, 235 0x51, 0x7, 0x23, 0x2, 0x3f, 0x5, 0x1a, 0x1, 236 0x65, 0x9, 0x2d, 0x3, 0x40, 0x5, 0x0, 0x0, 237 }; 238 239 240 /* Board Address of CV64 */ 241 static volatile caddr_t cv_boardaddr; 242 static int cv_fbsize; 243 244 /* 245 * Memory clock (binpatchable). 246 * Let's be defensive: 50 MHz runs on all boards I know of. 247 * 55 MHz runs on most boards. But you should know what you're doing 248 * if you set this flag. Again: This flag may destroy your CV Board. 249 * Use it at your own risk!!! 250 * Anyway, this doesn't imply that I'm responsible if your board breaks 251 * without setting this flag :-). 252 */ 253 #ifdef CV_AGGRESSIVE_TIMING 254 long cv_memclk = 55000000; 255 #else 256 long cv_memclk = 50000000; 257 #endif 258 259 /* standard driver stuff */ 260 CFATTACH_DECL(grfcv, sizeof(struct grf_cv_softc), 261 grfcvmatch, grfcvattach, NULL, NULL); 262 263 static struct cfdata *cfdata; 264 265 #define CV_INT_NUM 6 /* CV interrupt Level: #2 or #6 */ 266 #define CV_ULCURSOR 1 /* Underlined Cursor in textmode */ 267 268 #ifndef CV_NO_HARDWARE_CURSOR 269 270 #define HWC_OFF (cv_fbsize - 1024*2) 271 #define HWC_SIZE 1024 272 273 static unsigned short cv_cursor_storage[HWC_SIZE/2]; 274 static short curs_update_flag = 0; 275 276 #endif /* !CV_NO_HARDWARE_CURSOR */ 277 278 /* 279 * Interrupt handler 280 * This is used for updating the cursor shape (because it _must not_ 281 * be changed while cursor is displayed) 282 * and maybe later to avoid busy waiting 283 * for Vertical Blank and/or gfx engine busy 284 */ 285 286 int 287 cvintr(void *arg) 288 { 289 #ifndef CV_NO_HARDWARE_CURSOR 290 volatile unsigned long *csrc, *cdest; 291 int i; 292 #endif 293 struct grf_softc *gp = arg; 294 volatile caddr_t ba = gp->g_regkva; 295 unsigned char test; 296 unsigned char cridx; /* Save the cr Register index */ 297 298 if (gp == NULL) 299 return 0; 300 301 test = vgar(ba, GREG_INPUT_STATUS0_R); 302 303 if (test & 0x80) { /* VR int pending */ 304 /* Save old CR index */ 305 cridx = vgar (ba, CRT_ADDRESS); 306 307 #if 0 308 test = RCrt(ba, CRT_ID_END_VER_RETR); 309 /* Clear int (bit 4) */ 310 test &= ~0x10; 311 WCrt(ba, CRT_ID_END_VER_RETR, test); 312 #else 313 vgaw(ba, CRT_ADDRESS, CRT_ID_END_VER_RETR); 314 __asm __volatile("bclr #4,%0@(0x3d5);nop" : : "a" (ba)); 315 #endif 316 317 #ifndef CV_NO_HARDWARE_CURSOR 318 /* update the hardware cursor, if necessary */ 319 if (curs_update_flag) { 320 csrc = (unsigned long *)cv_cursor_storage; 321 cdest = (volatile unsigned long *)(gp->g_fbkva + 322 HWC_OFF); 323 for (i = 0; i < HWC_SIZE / sizeof(long); i++) 324 *cdest++ = *csrc++; 325 curs_update_flag = 0; 326 } 327 /* Reenable int */ 328 #if 0 329 test |= 0x10; 330 WCrt(ba, CRT_ID_END_VER_RETR, test); 331 #else 332 /* I don't trust the optimizer here... */ 333 __asm __volatile("bset #4,%0@(0x3d5);nop" : : "a" (ba)); 334 #endif 335 cv_setspritepos (gp, NULL); 336 337 /* Restore the old CR index */ 338 vgaw(ba, CRT_ADDRESS, cridx); 339 __asm __volatile("nop"); 340 #endif /* !CV_NO_HARDWARE_CURSOR */ 341 return (1); 342 } 343 return (0); 344 } 345 346 /* 347 * Get frambuffer memory size. 348 * phase5 didn't provide the bit in CR36, 349 * so we have to do it this way. 350 * Return 0 for 2MB, 1 for 4MB 351 */ 352 static int 353 cv_has_4mb(volatile caddr_t fb) 354 { 355 volatile unsigned long *testfbw, *testfbr; 356 357 /* write patterns in memory and test if they can be read */ 358 testfbw = (volatile unsigned long *)fb; 359 testfbr = (volatile unsigned long *)(fb + 0x02000000); 360 *testfbw = 0x87654321; 361 __asm __volatile("nop"); 362 if (*testfbr != 0x87654321) 363 return (0); 364 365 /* upper memory region */ 366 testfbw = (volatile unsigned long *)(fb + 0x00200000); 367 testfbr = (volatile unsigned long *)(fb + 0x02200000); 368 *testfbw = 0x87654321; 369 __asm __volatile("nop"); 370 if (*testfbr != 0x87654321) 371 return (0); 372 *testfbw = 0xAAAAAAAA; 373 __asm __volatile("nop"); 374 if (*testfbr != 0xAAAAAAAA) 375 return (0); 376 *testfbw = 0x55555555; 377 __asm __volatile("nop"); 378 if (*testfbr != 0x55555555) 379 return (0); 380 return (1); 381 } 382 383 int 384 grfcvmatch(struct device *pdp, struct cfdata *cfp, void *auxp) 385 { 386 #ifdef CV64CONSOLE 387 static int cvcons_unit = -1; 388 #endif 389 struct zbus_args *zap; 390 391 zap = auxp; 392 393 if (amiga_realconfig == 0) 394 #ifdef CV64CONSOLE 395 if (cvcons_unit != -1) 396 #endif 397 return (0); 398 399 /* Lets be Paranoid: Test man and prod id */ 400 if (zap->manid != 8512 || zap->prodid != 34) 401 return (0); 402 403 cv_boardaddr = zap->va; 404 405 #ifdef CV64CONSOLE 406 if (amiga_realconfig == 0) { 407 cvcons_unit = cfp->cf_unit; 408 cfdata = cfp; 409 } 410 #endif 411 412 return (1); 413 } 414 415 void 416 grfcvattach(struct device *pdp, struct device *dp, void *auxp) 417 { 418 static struct grf_cv_softc congrf; 419 struct zbus_args *zap; 420 struct grf_softc *gp; 421 struct grf_cv_softc *gcp; 422 static char attachflag = 0; 423 424 zap = auxp; 425 426 /* 427 * This function is called twice, once on console init (dp == NULL) 428 * and once on "normal" grf5 init. 429 */ 430 431 if (dp == NULL) /* console init */ 432 gcp = &congrf; 433 else 434 gcp = (struct grf_cv_softc *)dp; 435 436 gp = &gcp->gcs_sc; 437 438 if (dp != NULL && congrf.gcs_sc.g_regkva != 0) { 439 /* 440 * inited earlier, just copy (not device struct) 441 */ 442 443 printf("\n"); 444 bcopy(&congrf.gcs_sc.g_display, &gp->g_display, 445 (char *) &gcp->gcs_isr - (char *) &gp->g_display); 446 447 /* ... and transfer the isr */ 448 gcp->gcs_isr.isr_ipl = CV_INT_NUM; 449 gcp->gcs_isr.isr_intr = cvintr; 450 gcp->gcs_isr.isr_arg = (void *)gp; 451 452 /* First add new isr */ 453 add_isr(&gcp->gcs_isr); 454 remove_isr(&congrf.gcs_isr); 455 } else { 456 gp->g_regkva = (volatile caddr_t)cv_boardaddr + 0x02000000; 457 gp->g_fbkva = (volatile caddr_t)cv_boardaddr + 0x01400000; 458 459 gp->g_unit = GRF_CV64_UNIT; 460 gp->g_mode = cv_mode; 461 gp->g_conpri = grfcv_cnprobe(); 462 gp->g_flags = GF_ALIVE; 463 464 /* add Interrupt Handler */ 465 gcp->gcs_isr.isr_ipl = CV_INT_NUM; 466 gcp->gcs_isr.isr_intr = cvintr; 467 gcp->gcs_isr.isr_arg = (void *)gp; 468 add_isr(&gcp->gcs_isr); 469 470 /* wakeup the board */ 471 cv_boardinit(gp); 472 473 #ifdef CV64CONSOLE 474 grfcv_iteinit(gp); 475 (void)cv_load_mon(gp, &cvconsole_mode); 476 #endif 477 } 478 479 /* 480 * attach grf 481 */ 482 if (amiga_config_found(cfdata, &gp->g_device, gp, grfcvprint)) { 483 if (dp != NULL) 484 printf("grfcv: CyberVision64 with %dMB being used\n", 485 cv_fbsize/0x100000); 486 attachflag = 1; 487 } else { 488 if (!attachflag) 489 /*printf("grfcv unattached!!\n")*/; 490 } 491 } 492 493 int 494 grfcvprint(void *auxp, const char *pnp) 495 { 496 if (pnp) 497 aprint_normal("ite at %s: ", pnp); 498 return (UNCONF); 499 } 500 501 502 /* 503 * Computes M, N, and R values from 504 * given input frequency. It uses a table of 505 * precomputed values, to keep CPU time low. 506 * 507 * The return value consist of: 508 * lower byte: Bits 4-0: N Divider Value 509 * Bits 5-6: R Value for e.g. SR10 or SR12 510 * higher byte: Bits 0-6: M divider value for e.g. SR11 or SR13 511 */ 512 513 static unsigned short 514 cv_compute_clock(unsigned long freq) 515 { 516 static unsigned char *mnr, *save; /* M, N + R vals */ 517 unsigned long work_freq, r; 518 unsigned short erg; 519 long diff, d2; 520 521 if (freq < 12500000 || freq > MAXPIXELCLOCK) { 522 printf("grfcv: Illegal clock frequency: %ldMHz\n", freq/1000000); 523 printf("grfcv: Using default frequency: 25MHz\n"); 524 printf("grfcv: See the manpage of grfconfig for more informations.\n"); 525 freq = 25000000; 526 } 527 528 mnr = clocks; /* there the vals are stored */ 529 d2 = 0x7fffffff; 530 531 while (*mnr) { /* mnr vals are 0-terminated */ 532 work_freq = (0x37EE * (mnr[0] + 2)) / ((mnr[1] & 0x1F) + 2); 533 534 r = (mnr[1] >> 5) & 0x03; 535 if (r != 0) 536 work_freq=work_freq >> r; /* r is the freq divider */ 537 538 work_freq *= 0x3E8; /* 2nd part of OSC */ 539 540 diff = abs(freq - work_freq); 541 542 if (d2 >= diff) { 543 d2 = diff; 544 /* In save are the vals for minimal diff */ 545 save = mnr; 546 } 547 mnr += 2; 548 } 549 erg = *((unsigned short *)save); 550 551 return (erg); 552 } 553 554 555 void 556 cv_boardinit(struct grf_softc *gp) 557 { 558 volatile caddr_t ba; 559 unsigned char test; 560 unsigned int clockpar; 561 int i; 562 struct grfinfo *gi; 563 564 ba = gp->g_regkva; 565 /* Reset board */ 566 for (i = 0; i < 6; i++) 567 cv_write_port (0xff, ba - 0x02000000); /* Clear all bits */ 568 569 /* Return to operational Mode */ 570 cv_write_port(0x8004, ba - 0x02000000); 571 572 /* Wakeup Chip */ 573 vgaw(ba, SREG_VIDEO_SUBS_ENABLE, 0x10); 574 vgaw(ba, SREG_OPTION_SELECT, 0x01); 575 vgaw(ba, SREG_VIDEO_SUBS_ENABLE, 0x08); 576 577 vgaw(ba, GREG_MISC_OUTPUT_W, 0x03); 578 579 WCrt(ba, CRT_ID_REGISTER_LOCK_1, 0x48); /* unlock S3 VGA regs */ 580 WCrt(ba, CRT_ID_REGISTER_LOCK_2, 0xA5); /* unlock syscontrol */ 581 582 /* 583 * The default board interrupt is #6. 584 * Set the roxxler register to use interrupt #2, not #6. 585 */ 586 #if CV_INT_NUM == 2 587 cv_write_port(0x8080, ba - 0x02000000); 588 #endif 589 590 /* Enable board interrupts */ 591 cv_write_port(0x8008, ba - 0x02000000); 592 593 test = RCrt(ba, CRT_ID_SYSTEM_CONFIG); 594 test = test | 0x01; /* enable enhaced register access */ 595 test = test & 0xEF; /* clear bit 4, 0 wait state */ 596 WCrt(ba, CRT_ID_SYSTEM_CONFIG, test); 597 598 /* 599 * bit 1=1: enable enhanced mode functions 600 * bit 4=1: enable linear addressing 601 * bit 5=1: enable MMIO 602 */ 603 vgaw(ba, ECR_ADV_FUNC_CNTL, 0x31); 604 605 /* enable color mode (bit0), CPU access (bit1), high 64k page (bit5) */ 606 vgaw(ba, GREG_MISC_OUTPUT_W, 0xe3); 607 608 /* CPU base addr */ 609 WCrt(ba, CRT_ID_EXT_SYS_CNTL_4, 0x00); 610 611 /* Reset. This does nothing, but everyone does it:) */ 612 WSeq(ba, SEQ_ID_RESET, 0x03); 613 614 WSeq(ba, SEQ_ID_CLOCKING_MODE, 0x01); /* 8 Dot Clock */ 615 WSeq(ba, SEQ_ID_MAP_MASK, 0x0f); /* Enable write planes */ 616 WSeq(ba, SEQ_ID_CHAR_MAP_SELECT, 0x00); /* Character Font */ 617 618 WSeq(ba, SEQ_ID_MEMORY_MODE, 0x02); /* Complete mem access */ 619 620 WSeq(ba, SEQ_ID_UNLOCK_EXT, 0x06); /* Unlock extensions */ 621 test = RSeq(ba, SEQ_ID_BUS_REQ_CNTL); /* Bus Request */ 622 623 /* enable 4MB fast Page Mode */ 624 test = test | 1 << 6; 625 WSeq(ba, SEQ_ID_BUS_REQ_CNTL, test); 626 /* faster LUT write */ 627 WSeq(ba, SEQ_ID_RAMDAC_CNTL, 0xC0); 628 629 test = RSeq(ba, SEQ_ID_CLKSYN_CNTL_2); /* Clksyn2 read */ 630 631 /* immediately Clkload bit clear */ 632 test = test & 0xDF; 633 634 /* 2 MCLK Memory Write.... */ 635 if (cv_memclk >= 55000000) 636 test |= 0x80; 637 638 WSeq(ba, SEQ_ID_CLKSYN_CNTL_2, test); 639 640 /* Memory CLK */ 641 clockpar = cv_compute_clock(cv_memclk); 642 test = (clockpar & 0xFF00) >> 8; 643 WSeq(ba, SEQ_ID_MCLK_HI, test); /* PLL N-Divider Value */ 644 645 test = clockpar & 0xFF; 646 WSeq(ba, SEQ_ID_MCLK_LO, test); /* PLL M-Divider Value */ 647 648 if (RCrt(ba, CRT_ID_REVISION) == 0x10) /* bugfix for new S3 chips */ 649 WSeq(ba, SEQ_ID_MORE_MAGIC, test); 650 651 /* We now load an 25 MHz, 31 kHz, 640x480 standard VGA Mode. */ 652 /* DCLK */ 653 WSeq(ba, SEQ_ID_DCLK_HI, 0x13); 654 WSeq(ba, SEQ_ID_DCLK_LO, 0x41); 655 656 test = RSeq (ba, SEQ_ID_CLKSYN_CNTL_2); 657 test = test | 0x22; 658 659 /* DCLK + MCLK Clock immediate load! */ 660 WSeq(ba,SEQ_ID_CLKSYN_CNTL_2, test); 661 662 /* DCLK load */ 663 test = vgar(ba, 0x3cc); 664 test = test | 0x0c; 665 vgaw(ba, 0x3c2, test); 666 667 /* Clear bit 5 again, prevent further loading. */ 668 WSeq(ba, SEQ_ID_CLKSYN_CNTL_2, 0x02); 669 670 WCrt(ba, CRT_ID_HOR_TOTAL, 0x5F); 671 WCrt(ba, CRT_ID_HOR_DISP_ENA_END, 0x4F); 672 WCrt(ba, CRT_ID_START_HOR_BLANK, 0x50); 673 WCrt(ba, CRT_ID_END_HOR_BLANK, 0x82); 674 WCrt(ba, CRT_ID_START_HOR_RETR, 0x54); 675 WCrt(ba, CRT_ID_END_HOR_RETR, 0x80); 676 WCrt(ba, CRT_ID_VER_TOTAL, 0xBF); 677 678 WCrt(ba, CRT_ID_OVERFLOW, 0x1F); /* overflow reg */ 679 680 WCrt(ba, CRT_ID_PRESET_ROW_SCAN, 0x00); /* no panning */ 681 682 WCrt(ba, CRT_ID_MAX_SCAN_LINE, 0x40); /* vscan */ 683 684 WCrt(ba, CRT_ID_CURSOR_START, 0x00); 685 WCrt(ba, CRT_ID_CURSOR_END, 0x00); 686 687 /* Display start address */ 688 WCrt(ba, CRT_ID_START_ADDR_HIGH, 0x00); 689 WCrt(ba, CRT_ID_START_ADDR_LOW, 0x00); 690 691 /* Cursor location */ 692 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, 0x00); 693 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, 0x00); 694 695 /* Vertical retrace */ 696 WCrt(ba, CRT_ID_START_VER_RETR, 0x9C); 697 WCrt(ba, CRT_ID_END_VER_RETR, 0x0E); 698 699 WCrt(ba, CRT_ID_VER_DISP_ENA_END, 0x8F); 700 WCrt(ba, CRT_ID_SCREEN_OFFSET, 0x50); 701 702 WCrt(ba, CRT_ID_UNDERLINE_LOC, 0x00); 703 704 WCrt(ba, CRT_ID_START_VER_BLANK, 0x96); 705 WCrt(ba, CRT_ID_END_VER_BLANK, 0xB9); 706 707 WCrt(ba, CRT_ID_MODE_CONTROL, 0xE3); 708 709 WCrt(ba, CRT_ID_LINE_COMPARE, 0xFF); 710 711 WCrt(ba, CRT_ID_BACKWAD_COMP_3, 0x10); /* FIFO enabled */ 712 713 /* Refresh count 1, High speed text font, enhanced color mode */ 714 WCrt(ba, CRT_ID_MISC_1, 0x35); 715 716 /* start fifo position */ 717 WCrt(ba, CRT_ID_DISPLAY_FIFO, 0x5a); 718 719 WCrt(ba, CRT_ID_EXT_MEM_CNTL_2, 0x70); 720 721 /* address window position */ 722 WCrt(ba, CRT_ID_LAW_POS_LO, 0x40); 723 724 /* N Parameter for Display FIFO */ 725 WCrt(ba, CRT_ID_EXT_MEM_CNTL_3, 0xFF); 726 727 WGfx(ba, GCT_ID_SET_RESET, 0x00); 728 WGfx(ba, GCT_ID_ENABLE_SET_RESET, 0x00); 729 WGfx(ba, GCT_ID_COLOR_COMPARE, 0x00); 730 WGfx(ba, GCT_ID_DATA_ROTATE, 0x00); 731 WGfx(ba, GCT_ID_READ_MAP_SELECT, 0x00); 732 WGfx(ba, GCT_ID_GRAPHICS_MODE, 0x40); 733 WGfx(ba, GCT_ID_MISC, 0x01); 734 WGfx(ba, GCT_ID_COLOR_XCARE, 0x0F); 735 WGfx(ba, GCT_ID_BITMASK, 0xFF); 736 737 /* colors for text mode */ 738 for (i = 0; i <= 0xf; i++) 739 WAttr (ba, i, i); 740 741 WAttr(ba, ACT_ID_ATTR_MODE_CNTL, 0x41); 742 WAttr(ba, ACT_ID_OVERSCAN_COLOR, 0x01); 743 WAttr(ba, ACT_ID_COLOR_PLANE_ENA, 0x0F); 744 WAttr(ba, ACT_ID_HOR_PEL_PANNING, 0x00); 745 WAttr(ba, ACT_ID_COLOR_SELECT, 0x00); 746 747 vgaw(ba, VDAC_MASK, 0xFF); /* DAC Mask */ 748 749 *((unsigned long *)(ba + ECR_FRGD_COLOR)) = 0xFF; 750 *((unsigned long *)(ba + ECR_BKGD_COLOR)) = 0; 751 752 /* colors initially set to greyscale */ 753 754 vgaw(ba, VDAC_ADDRESS_W, 0); 755 for (i = 255; i >= 0 ; i--) { 756 vgaw(ba, VDAC_DATA, i); 757 vgaw(ba, VDAC_DATA, i); 758 vgaw(ba, VDAC_DATA, i); 759 } 760 761 /* GFx hardware cursor off */ 762 WCrt(ba, CRT_ID_HWGC_MODE, 0x00); 763 764 /* Set first to 4 MB, so test will work */ 765 WCrt(ba, CRT_ID_LAW_CNTL, 0x13); 766 767 /* find *correct* fbsize of z3 board */ 768 if (cv_has_4mb((volatile caddr_t)cv_boardaddr + 0x01400000)) { 769 cv_fbsize = 1024 * 1024 * 4; 770 WCrt(ba, CRT_ID_LAW_CNTL, 0x13); /* 4 MB */ 771 } else { 772 cv_fbsize = 1024 * 1024 * 2; 773 WCrt(ba, CRT_ID_LAW_CNTL, 0x12); /* 2 MB */ 774 } 775 776 /* Initialize graphics engine */ 777 GfxBusyWait(ba); 778 vgaw16(ba, ECR_FRGD_MIX, 0x27); 779 vgaw16(ba, ECR_BKGD_MIX, 0x07); 780 781 vgaw16(ba, ECR_READ_REG_DATA, 0x1000); 782 delay(200000); 783 vgaw16(ba, ECR_READ_REG_DATA, 0x2000); 784 GfxBusyWait(ba); 785 vgaw16(ba, ECR_READ_REG_DATA, 0x3fff); 786 GfxBusyWait(ba); 787 delay(200000); 788 vgaw16(ba, ECR_READ_REG_DATA, 0x4fff); 789 GfxBusyWait(ba); 790 791 vgaw16(ba, ECR_BITPLANE_WRITE_MASK, ~0); 792 793 GfxBusyWait (ba); 794 vgaw16(ba, ECR_READ_REG_DATA, 0xe000); 795 vgaw16(ba, ECR_CURRENT_Y_POS2, 0x00); 796 vgaw16(ba, ECR_CURRENT_X_POS2, 0x00); 797 vgaw16(ba, ECR_READ_REG_DATA, 0xa000); 798 vgaw16(ba, ECR_DEST_Y__AX_STEP, 0x00); 799 vgaw16(ba, ECR_DEST_Y2__AX_STEP2, 0x00); 800 vgaw16(ba, ECR_DEST_X__DIA_STEP, 0x00); 801 vgaw16(ba, ECR_DEST_X2__DIA_STEP2, 0x00); 802 vgaw16(ba, ECR_SHORT_STROKE, 0x00); 803 vgaw16(ba, ECR_DRAW_CMD, 0x01); 804 GfxBusyWait (ba); 805 806 /* It ain't easy to write here, so let's do it again */ 807 vgaw16(ba, ECR_READ_REG_DATA, 0x4fff); 808 809 vgaw16(ba, ECR_BKGD_COLOR, 0x01); 810 vgaw16(ba, ECR_FRGD_COLOR, 0x00); 811 812 /* Enable Video Display (Set Bit 5) */ 813 WAttr(ba, 0x33, 0); 814 815 gi = &gp->g_display; 816 gi->gd_regaddr = (caddr_t) kvtop (ba); 817 gi->gd_regsize = 64 * 1024; 818 gi->gd_fbaddr = (caddr_t) kvtop (gp->g_fbkva); 819 gi->gd_fbsize = cv_fbsize; 820 } 821 822 823 int 824 cv_getvmode(struct grf_softc *gp, struct grfvideo_mode *vm) 825 { 826 struct grfvideo_mode *gv; 827 828 #ifdef CV64CONSOLE 829 /* Handle grabbing console mode */ 830 if (vm->mode_num == 255) { 831 bcopy(&cvconsole_mode, vm, sizeof(struct grfvideo_mode)); 832 /* XXX so grfconfig can tell us the correct text dimensions. */ 833 vm->depth = cvconsole_mode.fy; 834 } else 835 #endif 836 { 837 if (vm->mode_num == 0) 838 vm->mode_num = (monitor_current - monitor_def) + 1; 839 if (vm->mode_num < 1 || vm->mode_num > monitor_def_max) 840 return (EINVAL); 841 gv = monitor_def + (vm->mode_num - 1); 842 if (gv->mode_num == 0) 843 return (EINVAL); 844 845 bcopy(gv, vm, sizeof(struct grfvideo_mode)); 846 } 847 848 /* adjust internal values to pixel values */ 849 850 vm->hblank_start *= 8; 851 vm->hsync_start *= 8; 852 vm->hsync_stop *= 8; 853 vm->htotal *= 8; 854 855 return (0); 856 } 857 858 859 int 860 cv_setvmode(struct grf_softc *gp, unsigned mode) 861 { 862 863 if (!mode || (mode > monitor_def_max) || 864 monitor_def[mode - 1].mode_num == 0) 865 return (EINVAL); 866 867 monitor_current = monitor_def + (mode - 1); 868 869 return (0); 870 } 871 872 873 int 874 cv_blank(struct grf_softc *gp, int *on) 875 { 876 volatile caddr_t ba; 877 878 ba = gp->g_regkva; 879 gfx_on_off(*on > 0 ? 0 : 1, ba); 880 return (0); 881 } 882 883 884 /* 885 * Change the mode of the display. 886 * Return a UNIX error number or 0 for success. 887 */ 888 int 889 cv_mode(register struct grf_softc *gp, u_long cmd, void *arg, u_long a2, 890 int a3) 891 { 892 int error; 893 894 switch (cmd) { 895 case GM_GRFON: 896 error = cv_load_mon (gp, 897 (struct grfcvtext_mode *) monitor_current) ? 0 : EINVAL; 898 return (error); 899 900 case GM_GRFOFF: 901 #ifndef CV64CONSOLE 902 cvscreen(1, gp->g_regkva - 0x02000000); 903 #else 904 cv_load_mon(gp, &cvconsole_mode); 905 ite_reinit(gp->g_itedev); 906 #endif 907 return (0); 908 909 case GM_GRFCONFIG: 910 return (0); 911 912 case GM_GRFGETVMODE: 913 return (cv_getvmode (gp, (struct grfvideo_mode *) arg)); 914 915 case GM_GRFSETVMODE: 916 error = cv_setvmode (gp, *(unsigned *) arg); 917 if (!error && (gp->g_flags & GF_GRFON)) 918 cv_load_mon(gp, 919 (struct grfcvtext_mode *) monitor_current); 920 return (error); 921 922 case GM_GRFGETNUMVM: 923 *(int *)arg = monitor_def_max; 924 return (0); 925 926 case GM_GRFIOCTL: 927 return (cv_ioctl (gp, a2, arg)); 928 929 default: 930 break; 931 } 932 933 return (EPASSTHROUGH); 934 } 935 936 937 int 938 cv_ioctl(register struct grf_softc *gp, u_long cmd, void *data) 939 { 940 switch (cmd) { 941 #ifndef CV_NO_HARDWARE_CURSOR 942 case GRFIOCGSPRITEPOS: 943 return(cv_getspritepos (gp, (struct grf_position *) data)); 944 945 case GRFIOCSSPRITEPOS: 946 return(cv_setspritepos (gp, (struct grf_position *) data)); 947 948 case GRFIOCSSPRITEINF: 949 return(cv_setspriteinfo (gp, (struct grf_spriteinfo *) data)); 950 951 case GRFIOCGSPRITEINF: 952 return(cv_getspriteinfo (gp, (struct grf_spriteinfo *) data)); 953 954 case GRFIOCGSPRITEMAX: 955 return(cv_getspritemax (gp, (struct grf_position *) data)); 956 #else /* !CV_NO_HARDWARE_CURSOR */ 957 case GRFIOCGSPRITEPOS: 958 case GRFIOCSSPRITEPOS: 959 case GRFIOCSSPRITEINF: 960 case GRFIOCGSPRITEINF: 961 case GRFIOCGSPRITEMAX: 962 break; 963 #endif /* !CV_NO_HARDWARE_CURSOR */ 964 965 case GRFIOCGETCMAP: 966 return (cv_getcmap (gp, (struct grf_colormap *) data)); 967 968 case GRFIOCPUTCMAP: 969 return (cv_putcmap (gp, (struct grf_colormap *) data)); 970 971 case GRFIOCBITBLT: 972 break; 973 974 case GRFTOGGLE: 975 return (cv_toggle (gp)); 976 977 case GRFIOCSETMON: 978 return (cv_setmonitor (gp, (struct grfvideo_mode *)data)); 979 980 case GRFIOCBLANK: 981 return (cv_blank (gp, (int *)data)); 982 } 983 return (EPASSTHROUGH); 984 } 985 986 987 int 988 cv_setmonitor(struct grf_softc *gp, struct grfvideo_mode *gv) 989 { 990 struct grfvideo_mode *md; 991 992 if (!cv_mondefok(gv)) 993 return (EINVAL); 994 995 #ifdef CV64CONSOLE 996 /* handle interactive setting of console mode */ 997 if (gv->mode_num == 255) { 998 bcopy(gv, &cvconsole_mode.gv, sizeof(struct grfvideo_mode)); 999 cvconsole_mode.gv.hblank_start /= 8; 1000 cvconsole_mode.gv.hsync_start /= 8; 1001 cvconsole_mode.gv.hsync_stop /= 8; 1002 cvconsole_mode.gv.htotal /= 8; 1003 cvconsole_mode.rows = gv->disp_height / cvconsole_mode.fy; 1004 cvconsole_mode.cols = gv->disp_width / cvconsole_mode.fx; 1005 if (!(gp->g_flags & GF_GRFON)) 1006 cv_load_mon(gp, &cvconsole_mode); 1007 ite_reinit(gp->g_itedev); 1008 return (0); 1009 } 1010 #endif 1011 1012 md = monitor_def + (gv->mode_num - 1); 1013 1014 /* 1015 * Prevent user from crashing the system by using 1016 * grfconfig while in X 1017 */ 1018 if (gp->g_flags & GF_GRFON) 1019 if (md == monitor_current) { 1020 printf("grfcv: Changing the used mode not allowed!\n"); 1021 return (EINVAL); 1022 } 1023 1024 bcopy(gv, md, sizeof(struct grfvideo_mode)); 1025 1026 /* adjust pixel oriented values to internal rep. */ 1027 1028 md->hblank_start /= 8; 1029 md->hsync_start /= 8; 1030 md->hsync_stop /= 8; 1031 md->htotal /= 8; 1032 1033 return (0); 1034 } 1035 1036 1037 int 1038 cv_getcmap(struct grf_softc *gfp, struct grf_colormap *cmap) 1039 { 1040 volatile caddr_t ba; 1041 u_char red[256], green[256], blue[256], *rp, *gp, *bp; 1042 short x; 1043 int error; 1044 1045 ba = gfp->g_regkva; 1046 if (cmap->count == 0 || cmap->index >= 256) 1047 return (0); 1048 1049 if (cmap->count > 256 - cmap->index) 1050 cmap->count = 256 - cmap->index; 1051 1052 /* first read colors out of the chip, then copyout to userspace */ 1053 vgaw (ba, VDAC_ADDRESS_W, cmap->index); 1054 x = cmap->count - 1; 1055 1056 rp = red + cmap->index; 1057 gp = green + cmap->index; 1058 bp = blue + cmap->index; 1059 1060 do { 1061 *rp++ = vgar (ba, VDAC_DATA) << 2; 1062 *gp++ = vgar (ba, VDAC_DATA) << 2; 1063 *bp++ = vgar (ba, VDAC_DATA) << 2; 1064 } while (x-- > 0); 1065 1066 if (!(error = copyout (red + cmap->index, cmap->red, cmap->count)) 1067 && !(error = copyout (green + cmap->index, cmap->green, cmap->count)) 1068 && !(error = copyout (blue + cmap->index, cmap->blue, cmap->count))) 1069 return (0); 1070 1071 return (error); 1072 } 1073 1074 1075 int 1076 cv_putcmap(struct grf_softc *gfp, struct grf_colormap *cmap) 1077 { 1078 volatile caddr_t ba; 1079 u_char red[256], green[256], blue[256], *rp, *gp, *bp; 1080 short x; 1081 int error; 1082 1083 ba = gfp->g_regkva; 1084 if (cmap->count == 0 || cmap->index >= 256) 1085 return (0); 1086 1087 if (cmap->count > 256 - cmap->index) 1088 cmap->count = 256 - cmap->index; 1089 1090 /* first copy the colors into kernelspace */ 1091 if (!(error = copyin (cmap->red, red + cmap->index, cmap->count)) 1092 && !(error = copyin (cmap->green, green + cmap->index, cmap->count)) 1093 && !(error = copyin (cmap->blue, blue + cmap->index, cmap->count))) { 1094 vgaw (ba, VDAC_ADDRESS_W, cmap->index); 1095 x = cmap->count - 1; 1096 1097 rp = red + cmap->index; 1098 gp = green + cmap->index; 1099 bp = blue + cmap->index; 1100 1101 do { 1102 vgaw (ba, VDAC_DATA, *rp++ >> 2); 1103 vgaw (ba, VDAC_DATA, *gp++ >> 2); 1104 vgaw (ba, VDAC_DATA, *bp++ >> 2); 1105 } while (x-- > 0); 1106 return (0); 1107 } else 1108 return (error); 1109 } 1110 1111 1112 int 1113 cv_toggle(struct grf_softc *gp) 1114 { 1115 volatile caddr_t ba; 1116 1117 ba = gp->g_regkva; 1118 #ifndef CV64CONSOLE 1119 cv_pass_toggle = 1; 1120 #endif /* !CV64CONSOLE */ 1121 1122 if (cv_pass_toggle) { 1123 cvscreen(0, ba - 0x02000000); 1124 cv_pass_toggle = 0; 1125 } else { 1126 cvscreen(1, ba - 0x02000000); 1127 cv_pass_toggle = 1; 1128 } 1129 1130 return (0); 1131 } 1132 1133 1134 int 1135 cv_mondefok(struct grfvideo_mode *gv) 1136 { 1137 unsigned long maxpix; 1138 1139 if (gv->mode_num < 1 || gv->mode_num > monitor_def_max) { 1140 if (gv->mode_num != 255 || gv->depth != 4) 1141 return (0); 1142 } 1143 1144 switch(gv->depth) { 1145 case 4: 1146 maxpix = MAXPIXELCLOCK - 55000000; 1147 break; 1148 case 8: 1149 maxpix = MAXPIXELCLOCK; 1150 break; 1151 case 15: 1152 case 16: 1153 #ifdef CV_AGGRESSIVE_TIMING 1154 maxpix = MAXPIXELCLOCK - 35000000; 1155 #else 1156 maxpix = MAXPIXELCLOCK - 55000000; 1157 #endif 1158 break; 1159 case 24: 1160 case 32: 1161 #ifdef CV_AGGRESSIVE_TIMING 1162 maxpix = MAXPIXELCLOCK - 75000000; 1163 #else 1164 maxpix = MAXPIXELCLOCK - 85000000; 1165 #endif 1166 break; 1167 default: 1168 printf("grfcv: Illegal depth in mode %d\n", 1169 (int) gv->mode_num); 1170 return (0); 1171 } 1172 1173 if (gv->pixel_clock > maxpix) { 1174 printf("grfcv: Pixelclock too high in mode %d\n", 1175 (int) gv->mode_num); 1176 return (0); 1177 } 1178 1179 if (gv->mode_num == 255) { /* console mode */ 1180 if ((gv->disp_width / 8) > MAXCOLS) { 1181 printf ("grfcv: Too many columns for console\n"); 1182 return (0); 1183 } else if ((gv->disp_height / S3FONTY) > MAXROWS) { 1184 printf ("grfcv: Too many rows for console\n"); 1185 return (0); 1186 } 1187 } 1188 1189 if (gv->disp_flags & GRF_FLAGS_SYNC_ON_GREEN) { 1190 printf("grfcv: sync-on-green is not supported\n"); 1191 return (0); 1192 } 1193 1194 return (1); 1195 } 1196 1197 1198 int 1199 cv_load_mon(struct grf_softc *gp, struct grfcvtext_mode *md) 1200 { 1201 struct grfvideo_mode *gv; 1202 struct grfinfo *gi; 1203 volatile caddr_t ba, fb; 1204 unsigned short mnr; 1205 unsigned short HT, HDE, HBS, HBE, HSS, HSE, VDE, VBS, VBE, VSS, 1206 VSE, VT; 1207 int cr50, sr15, sr18, clock_mode, test; 1208 int m, n; /* For calc'ing display FIFO */ 1209 int tfillm, temptym; /* FIFO fill and empty mclk's */ 1210 int hmul; /* Multiplier for hor. Values */ 1211 unsigned char hvsync_pulse; 1212 char TEXT, CONSOLE; 1213 1214 /* identity */ 1215 gv = &md->gv; 1216 1217 TEXT = (gv->depth == 4); 1218 CONSOLE = (gv->mode_num == 255); 1219 1220 if (!cv_mondefok(gv)) { 1221 printf("grfcv: Monitor definition not ok\n"); 1222 return (0); 1223 } 1224 1225 ba = gp->g_regkva; 1226 fb = gp->g_fbkva; 1227 1228 /* Disable Interrupts */ 1229 test = RCrt(ba, CRT_ID_BACKWAD_COMP_1); 1230 test &= ~0x10; 1231 WCrt(ba, CRT_ID_BACKWAD_COMP_1, test); 1232 1233 /* turn gfx off, don't mess up the display */ 1234 gfx_on_off(1, ba); 1235 1236 /* provide all needed information in grf device-independant locations */ 1237 gp->g_data = (caddr_t) gv; 1238 gi = &gp->g_display; 1239 gi->gd_colors = 1 << gv->depth; 1240 gi->gd_planes = gv->depth; 1241 gi->gd_fbwidth = gv->disp_width; 1242 gi->gd_fbheight = gv->disp_height; 1243 gi->gd_fbx = 0; 1244 gi->gd_fby = 0; 1245 if (CONSOLE) { 1246 gi->gd_dwidth = md->fx * md->cols; 1247 gi->gd_dheight = md->fy * md->rows; 1248 } else { 1249 gi->gd_dwidth = gv->disp_width; 1250 gi->gd_dheight = gv->disp_height; 1251 } 1252 gi->gd_dx = 0; 1253 gi->gd_dy = 0; 1254 1255 /* get display mode parameters */ 1256 switch (gv->depth) { 1257 case 15: 1258 case 16: 1259 hmul = 2; 1260 break; 1261 default: 1262 hmul = 1; 1263 break; 1264 } 1265 1266 HBS = gv->hblank_start * hmul; 1267 HSS = gv->hsync_start * hmul; 1268 HSE = gv->hsync_stop * hmul; 1269 HBE = gv->htotal * hmul - 6; 1270 HT = gv->htotal * hmul - 5; 1271 VBS = gv->vblank_start - 1; 1272 VSS = gv->vsync_start; 1273 VSE = gv->vsync_stop; 1274 VBE = gv->vtotal - 3; 1275 VT = gv->vtotal - 2; 1276 1277 /* Disable enhanced Mode for text display */ 1278 1279 vgaw(ba, ECR_ADV_FUNC_CNTL, (TEXT ? 0x00 : 0x31)); 1280 1281 if (TEXT) 1282 HDE = ((gv->disp_width + md->fx - 1) / md->fx) - 1; 1283 else 1284 HDE = (gv->disp_width + 3) * hmul / 8 - 1; /*HBS;*/ 1285 VDE = gv->disp_height - 1; 1286 1287 /* adjustments */ 1288 1289 if (gv->disp_flags & GRF_FLAGS_LACE) { 1290 VDE = VDE / 2; 1291 VBS = VBS / 2; 1292 VSS = VSS / 2; 1293 VSE = VSE / 2; 1294 VBE = VBE / 2; 1295 VT = VT / 2; 1296 } 1297 1298 /* Horizontal/Vertical Sync Pulse */ 1299 /* 1300 * GREG_MISC_OUTPUT_W Register: 1301 * bit description (0/1) 1302 * 0 Monochrome/Color emulation 1303 * 1 Disable/Enable access of the display memory from the CPU 1304 * 5 Select the low/high 64K page of memory 1305 * 6 Select a positive/negative horizontal retrace sync pulse 1306 * 7 Select a positive/negative vertical retrace sync pulse 1307 */ 1308 hvsync_pulse = vgar(ba, GREG_MISC_OUTPUT_R); 1309 if (gv->disp_flags & GRF_FLAGS_PHSYNC) 1310 hvsync_pulse &= ~0x40; 1311 else 1312 hvsync_pulse |= 0x40; 1313 if (gv->disp_flags & GRF_FLAGS_PVSYNC) 1314 hvsync_pulse &= ~0x80; 1315 else 1316 hvsync_pulse |= 0x80; 1317 vgaw(ba, GREG_MISC_OUTPUT_W, hvsync_pulse); 1318 1319 /* GFX hardware cursor off */ 1320 WCrt(ba, CRT_ID_HWGC_MODE, 0x00); 1321 WCrt(ba, CRT_ID_EXT_DAC_CNTL, 0x00); 1322 1323 WSeq(ba, SEQ_ID_MEMORY_MODE, (TEXT || (gv->depth == 1)) ? 0x06 : 0x0e); 1324 WGfx(ba, GCT_ID_READ_MAP_SELECT, 0x00); 1325 WSeq(ba, SEQ_ID_MAP_MASK, (gv->depth == 1) ? 0x01 : 0xff); 1326 WSeq(ba, SEQ_ID_CHAR_MAP_SELECT, 0x00); 1327 1328 /* Set clock */ 1329 1330 mnr = cv_compute_clock(gv->pixel_clock); 1331 WSeq(ba, SEQ_ID_DCLK_HI, ((mnr & 0xFF00) >> 8)); 1332 WSeq(ba, SEQ_ID_DCLK_LO, (mnr & 0xFF)); 1333 1334 /* load display parameters into board */ 1335 1336 WCrt(ba, CRT_ID_EXT_HOR_OVF, 1337 ((HT & 0x100) ? 0x01 : 0x00) | 1338 ((HDE & 0x100) ? 0x02 : 0x00) | 1339 ((HBS & 0x100) ? 0x04 : 0x00) | 1340 /* ((HBE & 0x40) ? 0x08 : 0x00) | */ /* Later... */ 1341 ((HSS & 0x100) ? 0x10 : 0x00) | 1342 /* ((HSE & 0x20) ? 0x20 : 0x00) | */ 1343 (((HT-5) & 0x100) ? 0x40 : 0x00) ); 1344 1345 WCrt(ba, CRT_ID_EXT_VER_OVF, 1346 0x40 | /* Line compare */ 1347 ((VT & 0x400) ? 0x01 : 0x00) | 1348 ((VDE & 0x400) ? 0x02 : 0x00) | 1349 ((VBS & 0x400) ? 0x04 : 0x00) | 1350 ((VSS & 0x400) ? 0x10 : 0x00) ); 1351 1352 WCrt(ba, CRT_ID_HOR_TOTAL, HT); 1353 WCrt(ba, CRT_ID_DISPLAY_FIFO, HT - 5); 1354 1355 WCrt(ba, CRT_ID_HOR_DISP_ENA_END, ((HDE >= HBS) ? (HBS - 1) : HDE)); 1356 WCrt(ba, CRT_ID_START_HOR_BLANK, HBS); 1357 WCrt(ba, CRT_ID_END_HOR_BLANK, ((HBE & 0x1f) | 0x80)); 1358 WCrt(ba, CRT_ID_START_HOR_RETR, HSS); 1359 WCrt(ba, CRT_ID_END_HOR_RETR, 1360 (HSE & 0x1f) | 1361 ((HBE & 0x20) ? 0x80 : 0x00) ); 1362 WCrt(ba, CRT_ID_VER_TOTAL, VT); 1363 WCrt(ba, CRT_ID_OVERFLOW, 1364 0x10 | 1365 ((VT & 0x100) ? 0x01 : 0x00) | 1366 ((VDE & 0x100) ? 0x02 : 0x00) | 1367 ((VSS & 0x100) ? 0x04 : 0x00) | 1368 ((VBS & 0x100) ? 0x08 : 0x00) | 1369 ((VT & 0x200) ? 0x20 : 0x00) | 1370 ((VDE & 0x200) ? 0x40 : 0x00) | 1371 ((VSS & 0x200) ? 0x80 : 0x00) ); 1372 1373 WCrt(ba, CRT_ID_MAX_SCAN_LINE, 1374 0x40 | /* TEXT ? 0x00 ??? */ 1375 ((gv->disp_flags & GRF_FLAGS_DBLSCAN) ? 0x80 : 0x00) | 1376 ((VBS & 0x200) ? 0x20 : 0x00) | 1377 (TEXT ? ((md->fy - 1) & 0x1f) : 0x00)); 1378 1379 WCrt(ba, CRT_ID_MODE_CONTROL, 0xe3); 1380 1381 /* text cursor */ 1382 1383 if (TEXT) { 1384 #if CV_ULCURSOR 1385 WCrt(ba, CRT_ID_CURSOR_START, (md->fy & 0x1f) - 2); 1386 WCrt(ba, CRT_ID_CURSOR_END, (md->fy & 0x1f) - 1); 1387 #else 1388 WCrt(ba, CRT_ID_CURSOR_START, 0x00); 1389 WCrt(ba, CRT_ID_CURSOR_END, md->fy & 0x1f); 1390 #endif 1391 WCrt(ba, CRT_ID_UNDERLINE_LOC, (md->fy - 1) & 0x1f); 1392 1393 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, 0x00); 1394 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, 0x00); 1395 } 1396 1397 WCrt(ba, CRT_ID_START_ADDR_HIGH, 0x00); 1398 WCrt(ba, CRT_ID_START_ADDR_LOW, 0x00); 1399 1400 WCrt(ba, CRT_ID_START_VER_RETR, VSS); 1401 WCrt(ba, CRT_ID_END_VER_RETR, (VSE & 0x0f)); 1402 WCrt(ba, CRT_ID_VER_DISP_ENA_END, VDE); 1403 WCrt(ba, CRT_ID_START_VER_BLANK, VBS); 1404 WCrt(ba, CRT_ID_END_VER_BLANK, VBE); 1405 1406 WCrt(ba, CRT_ID_LINE_COMPARE, 0xff); 1407 WCrt(ba, CRT_ID_LACE_RETR_START, HT / 2); 1408 WCrt(ba, CRT_ID_LACE_CONTROL, 1409 ((gv->disp_flags & GRF_FLAGS_LACE) ? 0x20 : 0x00)); 1410 1411 WGfx(ba, GCT_ID_GRAPHICS_MODE, 1412 ((TEXT || (gv->depth == 1)) ? 0x00 : 0x40)); 1413 WGfx(ba, GCT_ID_MISC, (TEXT ? 0x04 : 0x01)); 1414 1415 WSeq (ba, SEQ_ID_MEMORY_MODE, 1416 ((TEXT || (gv->depth == 1)) ? 0x06 : 0x02)); 1417 1418 vgaw(ba, VDAC_MASK, 0xff); 1419 1420 /* Blank border */ 1421 test = RCrt(ba, CRT_ID_BACKWAD_COMP_2); 1422 WCrt(ba, CRT_ID_BACKWAD_COMP_2, (test | 0x20)); 1423 1424 sr15 = RSeq(ba, SEQ_ID_CLKSYN_CNTL_2); 1425 sr15 &= ~0x10; 1426 sr18 = RSeq(ba, SEQ_ID_RAMDAC_CNTL); 1427 sr18 &= ~0x80; 1428 clock_mode = 0x00; 1429 cr50 = 0x00; 1430 1431 test = RCrt(ba, CRT_ID_EXT_MISC_CNTL_2); 1432 test &= 0xd; 1433 1434 /* clear roxxler byte-swapping... */ 1435 cv_write_port(0x0040, cv_boardaddr); 1436 cv_write_port(0x0020, cv_boardaddr); 1437 1438 switch (gv->depth) { 1439 case 1: 1440 case 4: /* text */ 1441 HDE = gv->disp_width / 16; 1442 break; 1443 case 8: 1444 if (gv->pixel_clock > 80000000) { 1445 clock_mode = 0x10 | 0x02; 1446 sr15 |= 0x10; 1447 sr18 |= 0x80; 1448 } 1449 HDE = gv->disp_width / 8; 1450 cr50 |= 0x00; 1451 break; 1452 case 15: 1453 cv_write_port (0x8020, cv_boardaddr); 1454 clock_mode = 0x30; 1455 HDE = gv->disp_width / 4; 1456 cr50 |= 0x10; 1457 break; 1458 case 16: 1459 cv_write_port (0x8020, cv_boardaddr); 1460 clock_mode = 0x50; 1461 HDE = gv->disp_width / 4; 1462 cr50 |= 0x10; 1463 break; 1464 case 24: /* this is really 32 Bit on CV64 */ 1465 case 32: 1466 cv_write_port(0x8040, cv_boardaddr); 1467 clock_mode = 0xd0; 1468 HDE = (gv->disp_width / 2); 1469 cr50 |= 0x30; 1470 break; 1471 } 1472 1473 WCrt(ba, CRT_ID_EXT_MISC_CNTL_2, clock_mode | test); 1474 WSeq(ba, SEQ_ID_CLKSYN_CNTL_2, sr15); 1475 WSeq(ba, SEQ_ID_RAMDAC_CNTL, sr18); 1476 WCrt(ba, CRT_ID_SCREEN_OFFSET, HDE); 1477 1478 WCrt(ba, CRT_ID_MISC_1, (TEXT ? 0x05 : 0x35)); 1479 1480 test = RCrt(ba, CRT_ID_EXT_SYS_CNTL_2); 1481 test &= ~0x30; 1482 /* HDE Overflow in bits 4-5 */ 1483 test |= (HDE >> 4) & 0x30; 1484 WCrt(ba, CRT_ID_EXT_SYS_CNTL_2, test); 1485 1486 /* Set up graphics engine */ 1487 switch (gv->disp_width) { 1488 case 1024: 1489 cr50 |= 0x00; 1490 break; 1491 case 640: 1492 cr50 |= 0x40; 1493 break; 1494 case 800: 1495 cr50 |= 0x80; 1496 break; 1497 case 1280: 1498 cr50 |= 0xc0; 1499 break; 1500 case 1152: 1501 cr50 |= 0x01; 1502 break; 1503 case 1600: 1504 cr50 |= 0x81; 1505 break; 1506 default: /* XXX The Xserver has to handle this */ 1507 break; 1508 } 1509 1510 WCrt(ba, CRT_ID_EXT_SYS_CNTL_1, cr50); 1511 1512 delay(100000); 1513 WAttr(ba, ACT_ID_ATTR_MODE_CNTL, (TEXT ? 0x08 : 0x41)); 1514 delay(100000); 1515 WAttr(ba, ACT_ID_COLOR_PLANE_ENA, 1516 (gv->depth == 1) ? 0x01 : 0x0f); 1517 delay(100000); 1518 1519 /* 1520 * M-Parameter of Display FIFO 1521 * This is dependant on the pixel clock and the memory clock. 1522 * The FIFO filling bandwidth is 240 MHz and the FIFO is 96 Byte wide. 1523 * Then the time to fill the FIFO is tfill = (96/240000000) sec, the time 1524 * to empty the FIFO is tempty = (96/pixelclock) sec. 1525 * Then the M parameter maximum is ((tempty-tfill)*cv_memclk-9)/2. 1526 * This seems to be logical, ain't it? 1527 * Remember: We have to use integer arithmetics :( 1528 * Divide by 1000 to prevent overflows. 1529 */ 1530 1531 tfillm = (96 * (cv_memclk/1000))/240000; 1532 1533 switch(gv->depth) { 1534 case 32: 1535 case 24: 1536 temptym = (24 * (cv_memclk/1000)) / (gv->pixel_clock/1000); 1537 break; 1538 case 15: 1539 case 16: 1540 temptym = (48 * (cv_memclk/1000)) / (gv->pixel_clock/1000); 1541 break; 1542 case 4: 1543 temptym = (192 * (cv_memclk/1000)) / (gv->pixel_clock/1000); 1544 break; 1545 default: 1546 temptym = (96 * (cv_memclk/1000)) / (gv->pixel_clock/1000); 1547 break; 1548 } 1549 1550 m = (temptym - tfillm - 9) / 2; 1551 if (m < 0) 1552 m = 0; /* prevent underflow */ 1553 m = (m & 0x1f) << 3; 1554 if (m < 0x18) 1555 m = 0x18; 1556 n = 0xff; 1557 1558 WCrt(ba, CRT_ID_EXT_MEM_CNTL_2, m); 1559 WCrt(ba, CRT_ID_EXT_MEM_CNTL_3, n); 1560 delay(10000); 1561 1562 /* text initialization */ 1563 1564 if (TEXT) { 1565 cv_inittextmode(gp); 1566 } 1567 1568 if (CONSOLE) { 1569 int i; 1570 vgaw(ba, VDAC_ADDRESS_W, 0); 1571 for (i = 0; i < 16; i++) { 1572 vgaw(ba, VDAC_DATA, cvconscolors[i][0]); 1573 vgaw(ba, VDAC_DATA, cvconscolors[i][1]); 1574 vgaw(ba, VDAC_DATA, cvconscolors[i][2]); 1575 } 1576 } 1577 1578 /* Set display enable flag */ 1579 WAttr(ba, 0x33, 0); 1580 1581 /* turn gfx on again */ 1582 gfx_on_off(0, ba); 1583 1584 /* enable interrupts */ 1585 test = RCrt(ba, CRT_ID_BACKWAD_COMP_1); 1586 test |= 0x10; 1587 WCrt(ba, CRT_ID_BACKWAD_COMP_1, test); 1588 1589 test = RCrt(ba, CRT_ID_END_VER_RETR); 1590 test &= ~0x20; 1591 WCrt(ba, CRT_ID_END_VER_RETR, test); 1592 test &= ~0x10; 1593 WCrt(ba, CRT_ID_END_VER_RETR, test); 1594 test |= 0x10; 1595 WCrt(ba, CRT_ID_END_VER_RETR, test); 1596 #ifndef CV_NO_HARDWARE_CURSOR 1597 cv_setup_hwc(gp); 1598 #endif 1599 1600 /* Pass-through */ 1601 cvscreen(0, ba - 0x02000000); 1602 1603 return (1); 1604 } 1605 1606 1607 void 1608 cv_inittextmode(struct grf_softc *gp) 1609 { 1610 struct grfcvtext_mode *tm = (struct grfcvtext_mode *)gp->g_data; 1611 volatile caddr_t ba, fb; 1612 unsigned char *c, *f, y; 1613 unsigned short z; 1614 1615 ba = gp->g_regkva; 1616 fb = gp->g_fbkva; 1617 1618 /* load text font into beginning of display memory. 1619 * Each character cell is 32 bytes long (enough for 4 planes) 1620 * In linear addressing text mode, the memory is organized 1621 * so, that the Bytes of all 4 planes are interleaved. 1622 * 1st byte plane 0, 1st byte plane 1, 1st byte plane 2, 1623 * 1st byte plane 3, 2nd byte plane 0, 2nd byte plane 1,... 1624 * The font is loaded in plane 2. 1625 */ 1626 1627 c = (unsigned char *) fb; 1628 1629 /* clear screen */ 1630 for (z = 0; z < tm->cols * tm->rows * 3; z++) { 1631 *c++ = 0x20; 1632 *c++ = 0x07; 1633 *c++ = 0; 1634 *c++ = 0; 1635 } 1636 1637 c = (unsigned char *) (fb) + (32 * tm->fdstart * 4 + 2); 1638 f = tm->fdata; 1639 for (z = tm->fdstart; z <= tm->fdend; z++, c += (32 - tm->fy) * 4) 1640 for (y = 0; y < tm->fy; y++) { 1641 *c = *f++; 1642 c += 4; 1643 } 1644 1645 /* print out a little init msg */ 1646 c = (unsigned char *)(fb) + (tm->cols - 6) * 4; 1647 *c++ = 'C'; 1648 *c++ = 0x0a; 1649 c +=2; 1650 *c++ = 'V'; 1651 *c++ = 0x0b; 1652 c +=2; 1653 *c++ = '6'; 1654 *c++ = 0x0c; 1655 c +=2; 1656 *c++ = '4'; 1657 *c++ = 0x0d; 1658 } 1659 1660 1661 static __inline void 1662 cv_write_port(unsigned short bits, volatile caddr_t BoardAddr) 1663 { 1664 volatile caddr_t addr; 1665 static unsigned char CVPortBits = 0; /* mirror port bits here */ 1666 1667 addr = BoardAddr + 0x40001; 1668 if (bits & 0x8000) 1669 CVPortBits |= bits & 0xFF; /* Set bits */ 1670 else { 1671 bits = bits & 0xFF; 1672 bits = (~bits) & 0xFF ; 1673 CVPortBits &= bits; /* Clear bits */ 1674 } 1675 1676 *addr = CVPortBits; 1677 } 1678 1679 1680 /* 1681 * Monitor Switch 1682 * 0 = CyberVision Signal 1683 * 1 = Amiga Signal, 1684 * ba = boardaddr 1685 */ 1686 static __inline void 1687 cvscreen(int toggle, volatile caddr_t ba) 1688 { 1689 1690 if (toggle == 1) 1691 cv_write_port (0x10, ba); 1692 else 1693 cv_write_port (0x8010, ba); 1694 } 1695 1696 1697 /* 0 = on, 1= off */ 1698 /* ba= registerbase */ 1699 static __inline void 1700 gfx_on_off(int toggle, volatile caddr_t ba) 1701 { 1702 int r; 1703 1704 toggle &= 0x1; 1705 toggle = toggle << 5; 1706 1707 r = RSeq(ba, SEQ_ID_CLOCKING_MODE); 1708 r &= ~0x20; /* set Bit 5 to 0 */ 1709 1710 WSeq(ba, SEQ_ID_CLOCKING_MODE, r | toggle); 1711 } 1712 1713 1714 #ifndef CV_NO_HARDWARE_CURSOR 1715 1716 static unsigned char cv_hotx = 0, cv_hoty = 0; 1717 static char cv_cursor_on = 0; 1718 1719 /* Hardware Cursor handling routines */ 1720 1721 int 1722 cv_getspritepos(struct grf_softc *gp, struct grf_position *pos) 1723 { 1724 int hi,lo; 1725 volatile caddr_t ba = gp->g_regkva; 1726 1727 hi = RCrt(ba, CRT_ID_HWGC_ORIGIN_Y_HI); 1728 lo = RCrt(ba, CRT_ID_HWGC_ORIGIN_Y_LO); 1729 1730 pos->y = (hi << 8) + lo; 1731 hi = RCrt(ba, CRT_ID_HWGC_ORIGIN_X_HI); 1732 lo = RCrt(ba, CRT_ID_HWGC_ORIGIN_X_LO); 1733 pos->x = (hi << 8) + lo; 1734 return (0); 1735 } 1736 1737 1738 int 1739 cv_setspritepos(struct grf_softc *gp, struct grf_position *pos) 1740 { 1741 volatile caddr_t ba = gp->g_regkva; 1742 short x, y; 1743 static short savex, savey; 1744 short xoff, yoff; 1745 1746 if (pos) { 1747 x = pos->x; 1748 y = pos->y; 1749 savex = x; 1750 savey= y; 1751 } else { /* restore cursor */ 1752 x = savex; 1753 y = savey; 1754 } 1755 x -= cv_hotx; 1756 y -= cv_hoty; 1757 if (x < 0) { 1758 xoff = ((-x) & 0xFE); 1759 x = 0; 1760 } else { 1761 xoff = 0; 1762 } 1763 1764 if (y < 0) { 1765 yoff = ((-y) & 0xFE); 1766 y = 0; 1767 } else { 1768 yoff = 0; 1769 } 1770 1771 WCrt(ba, CRT_ID_HWGC_ORIGIN_X_HI, (x >> 8)); 1772 WCrt(ba, CRT_ID_HWGC_ORIGIN_X_LO, (x & 0xff)); 1773 1774 WCrt(ba, CRT_ID_HWGC_ORIGIN_Y_LO, (y & 0xff)); 1775 WCrt(ba, CRT_ID_HWGC_DSTART_X, xoff); 1776 WCrt(ba, CRT_ID_HWGC_DSTART_Y, yoff); 1777 WCrt(ba, CRT_ID_HWGC_ORIGIN_Y_HI, (y >> 8)); 1778 1779 return(0); 1780 } 1781 1782 static __inline short 1783 M2I(short val) 1784 { 1785 return ( ((val & 0xff00) >> 8) | ((val & 0xff) << 8)); 1786 } 1787 1788 int 1789 cv_getspriteinfo(struct grf_softc *gp, struct grf_spriteinfo *info) 1790 { 1791 volatile caddr_t ba, fb; 1792 1793 ba = gp->g_regkva; 1794 fb = gp->g_fbkva; 1795 1796 if (info->set & GRFSPRSET_ENABLE) 1797 info->enable = RCrt(ba, CRT_ID_HWGC_MODE) & 0x01; 1798 1799 if (info->set & GRFSPRSET_POS) 1800 cv_getspritepos (gp, &info->pos); 1801 1802 #if 0 /* XXX */ 1803 if (info->set & GRFSPRSET_SHAPE) { 1804 u_char image[512], mask[512]; 1805 volatile u_long *hwp; 1806 u_char *imp, *mp; 1807 short row; 1808 info->size.x = 64; 1809 info->size.y = 64; 1810 for (row = 0, hwp = (u_long *)(fb + HWC_OFF), 1811 mp = mask, imp = image; 1812 row < 64; 1813 row++) { 1814 u_long bp10, bp20, bp11, bp21; 1815 bp10 = *hwp++; 1816 bp20 = *hwp++; 1817 bp11 = *hwp++; 1818 bp21 = *hwp++; 1819 M2I (bp10); 1820 M2I (bp20); 1821 M2I (bp11); 1822 M2I (bp21); 1823 *imp++ = (~bp10) & bp11; 1824 *imp++ = (~bp20) & bp21; 1825 *mp++ = (~bp10) | (bp10 & ~bp11); 1826 *mp++ = (~bp20) & (bp20 & ~bp21); 1827 } 1828 copyout (image, info->image, sizeof (image)); 1829 copyout (mask, info->mask, sizeof (mask)); 1830 } 1831 #endif 1832 return(0); 1833 } 1834 1835 1836 void 1837 cv_setup_hwc(struct grf_softc *gp) 1838 { 1839 volatile caddr_t ba = gp->g_regkva; 1840 volatile caddr_t hwc; 1841 int test; 1842 1843 if (gp->g_display.gd_planes <= 4) 1844 cv_cursor_on = 0; /* don't enable hwc in text modes */ 1845 if (cv_cursor_on == 0) 1846 return; 1847 1848 /* reset colour stack */ 1849 #if 0 1850 test = RCrt(ba, CRT_ID_HWGC_MODE); 1851 __asm __volatile("nop"); 1852 #else 1853 /* do it in assembler, the above does't seem to work */ 1854 __asm __volatile ("moveb #0x45, %1@(0x3d4); \ 1855 moveb %1@(0x3d5),%0" : "=r" (test) : "a" (ba)); 1856 #endif 1857 1858 WCrt (ba, CRT_ID_HWGC_FG_STACK, 0); 1859 1860 hwc = ba + CRT_ADDRESS_W; 1861 *hwc = 0; 1862 *hwc = 0; 1863 1864 #if 0 1865 test = RCrt(ba, CRT_ID_HWGC_MODE); 1866 __asm __volatile("nop"); 1867 #else 1868 /* do it in assembler, the above does't seem to work */ 1869 __asm __volatile ("moveb #0x45, %1@(0x3d4); \ 1870 moveb %1@(0x3d5),%0" : "=r" (test) : "a" (ba)); 1871 #endif 1872 switch (gp->g_display.gd_planes) { 1873 case 8: 1874 WCrt (ba, CRT_ID_HWGC_BG_STACK, 0x1); 1875 *hwc = 1; 1876 break; 1877 default: 1878 WCrt (ba, CRT_ID_HWGC_BG_STACK, 0xff); 1879 *hwc = 0xff; 1880 *hwc = 0xff; 1881 } 1882 1883 test = HWC_OFF / HWC_SIZE; 1884 WCrt (ba, CRT_ID_HWGC_START_AD_HI, (test >> 8)); 1885 WCrt (ba, CRT_ID_HWGC_START_AD_LO, (test & 0xff)); 1886 1887 WCrt (ba, CRT_ID_HWGC_DSTART_X , 0); 1888 WCrt (ba, CRT_ID_HWGC_DSTART_Y , 0); 1889 1890 WCrt (ba, CRT_ID_EXT_DAC_CNTL, 0x10); /* Cursor X11 Mode */ 1891 /* 1892 * Put it into Windoze Mode or you'll see sometimes a white stripe 1893 * on the right side (in double clocking modes with a screen bigger 1894 * > 1023 pixels). 1895 */ 1896 WCrt (ba, CRT_ID_EXT_DAC_CNTL, 0x00); /* Cursor Windoze Mode */ 1897 1898 WCrt (ba, CRT_ID_HWGC_MODE, 0x01); 1899 } 1900 1901 1902 /* 1903 * This was the reason why you shouldn't use the HWC in the Kernel:( 1904 * Obsoleted now by use of interrupts :-) 1905 */ 1906 1907 #define VerticalRetraceWait(ba) \ 1908 { \ 1909 while (vgar(ba, GREG_INPUT_STATUS1_R) == 0x00) ; \ 1910 while ((vgar(ba, GREG_INPUT_STATUS1_R) & 0x08) == 0x08) ; \ 1911 while ((vgar(ba, GREG_INPUT_STATUS1_R) & 0x08) == 0x00) ; \ 1912 } 1913 1914 1915 int 1916 cv_setspriteinfo(struct grf_softc *gp, struct grf_spriteinfo *info) 1917 { 1918 volatile caddr_t ba, fb; 1919 int depth = gp->g_display.gd_planes; 1920 1921 ba = gp->g_regkva; 1922 fb = gp->g_fbkva; 1923 1924 if (info->set & GRFSPRSET_SHAPE) { 1925 /* 1926 * For an explanation of these weird actions here, see above 1927 * when reading the shape. We set the shape directly into 1928 * the video memory, there's no reason to keep 1k on the 1929 * kernel stack just as template 1930 */ 1931 u_char *image, *mask; 1932 volatile u_short *hwp; 1933 u_char *imp, *mp; 1934 unsigned short row; 1935 1936 #ifdef CV_NO_INT 1937 /* Cursor off */ 1938 WCrt (ba, CRT_ID_HWGC_MODE, 0x00); 1939 1940 /* 1941 * The Trio64 crashes if the cursor data is written 1942 * while the cursor is displayed. 1943 * Sadly, turning the cursor off is not enough. 1944 * What we have to do is: 1945 * 1. Wait for vertical retrace, to make sure no-one 1946 * has moved the cursor in this sync period (because 1947 * another write then would have no effect, argh!). 1948 * 2. Move the cursor off-screen 1949 * 3. Another wait for v. retrace to make sure the cursor 1950 * is really off. 1951 * 4. Write the data, finally. 1952 * (thanks to Harald Koenig for this tip!) 1953 */ 1954 1955 /* 1956 * Remark 06/06/96: Update in interrupt obsoletes this, 1957 * but the warning should stay there! 1958 */ 1959 1960 VerticalRetraceWait(ba); 1961 1962 WCrt (ba, CRT_ID_HWGC_ORIGIN_X_HI, 0x7); 1963 WCrt (ba, CRT_ID_HWGC_ORIGIN_X_LO, 0xff); 1964 WCrt (ba, CRT_ID_HWGC_ORIGIN_Y_LO, 0xff); 1965 WCrt (ba, CRT_ID_HWGC_DSTART_X, 0x3f); 1966 WCrt (ba, CRT_ID_HWGC_DSTART_Y, 0x3f); 1967 WCrt (ba, CRT_ID_HWGC_ORIGIN_Y_HI, 0x7); 1968 #endif /* CV_NO_INT */ 1969 1970 if (info->size.y > 64) 1971 info->size.y = 64; 1972 if (info->size.x > 64) 1973 info->size.x = 64; 1974 if (info->size.x < 32) 1975 info->size.x = 32; 1976 1977 image = malloc(HWC_SIZE, M_TEMP, M_WAITOK); 1978 mask = image + HWC_SIZE/2; 1979 1980 copyin(info->image, image, info->size.y * info->size.x / 8); 1981 copyin(info->mask, mask, info->size.y * info->size.x / 8); 1982 1983 #ifdef CV_NO_INT 1984 hwp = (u_short *)(fb +HWC_OFF); 1985 1986 /* This is necessary in order not to crash the board */ 1987 VerticalRetraceWait(ba); 1988 #else /* CV_NO_INT */ 1989 hwp = (u_short *) cv_cursor_storage; 1990 #endif /* CV_NO_INT */ 1991 1992 /* 1993 * setting it is slightly more difficult, because we can't 1994 * force the application to not pass a *smaller* than 1995 * supported bitmap 1996 */ 1997 1998 for (row = 0, mp = mask, imp = image; 1999 row < info->size.y; row++) { 2000 u_short im1, im2, im3, im4, m1, m2, m3, m4; 2001 2002 m1 = ~(*(unsigned short *)mp); 2003 im1 = *(unsigned short *)imp & *(unsigned short *)mp; 2004 mp += 2; 2005 imp += 2; 2006 2007 m2 = ~(*(unsigned short *)mp); 2008 im2 = *(unsigned short *)imp & *(unsigned short *)mp; 2009 mp += 2; 2010 imp += 2; 2011 2012 if (info->size.x > 32) { 2013 m3 = ~(*(unsigned short *)mp); 2014 im3 = *(unsigned short *)imp & *(unsigned short *)mp; 2015 mp += 2; 2016 imp += 2; 2017 m4 = ~(*(unsigned short *)mp); 2018 im4 = *(unsigned short *)imp & *(unsigned short *)mp; 2019 mp += 2; 2020 imp += 2; 2021 } else { 2022 m3 = 0xffff; 2023 im3 = 0; 2024 m4 = 0xffff; 2025 im4 = 0; 2026 } 2027 2028 switch (depth) { 2029 case 8: 2030 *hwp++ = m1; 2031 *hwp++ = im1; 2032 *hwp++ = m2; 2033 *hwp++ = im2; 2034 *hwp++ = m3; 2035 *hwp++ = im3; 2036 *hwp++ = m4; 2037 *hwp++ = im4; 2038 break; 2039 case 15: 2040 case 16: 2041 *hwp++ = M2I(m1); 2042 *hwp++ = M2I(im1); 2043 *hwp++ = M2I(m2); 2044 *hwp++ = M2I(im2); 2045 *hwp++ = M2I(m3); 2046 *hwp++ = M2I(im3); 2047 *hwp++ = M2I(m4); 2048 *hwp++ = M2I(im4); 2049 break; 2050 case 24: 2051 case 32: 2052 *hwp++ = M2I(im1); 2053 *hwp++ = M2I(m1); 2054 *hwp++ = M2I(im2); 2055 *hwp++ = M2I(m2); 2056 *hwp++ = M2I(im3); 2057 *hwp++ = M2I(m3); 2058 *hwp++ = M2I(im4); 2059 *hwp++ = M2I(m4); 2060 break; 2061 } 2062 } 2063 2064 if (depth < 24) { 2065 for (; row < 64; row++) { 2066 *hwp++ = 0xffff; 2067 *hwp++ = 0x0000; 2068 *hwp++ = 0xffff; 2069 *hwp++ = 0x0000; 2070 *hwp++ = 0xffff; 2071 *hwp++ = 0x0000; 2072 *hwp++ = 0xffff; 2073 *hwp++ = 0x0000; 2074 } 2075 } else { 2076 for (; row < 64; row++) { 2077 *hwp++ = 0x0000; 2078 *hwp++ = 0xffff; 2079 *hwp++ = 0x0000; 2080 *hwp++ = 0xffff; 2081 *hwp++ = 0x0000; 2082 *hwp++ = 0xffff; 2083 *hwp++ = 0x0000; 2084 *hwp++ = 0xffff; 2085 } 2086 } 2087 2088 free(image, M_TEMP); 2089 /* cv_setup_hwc(gp); */ 2090 cv_hotx = info->hot.x; 2091 cv_hoty = info->hot.y; 2092 2093 #ifdef CV_NO_INT 2094 /* One must not write twice per vertical blank :-( */ 2095 VerticalRetraceWait(ba); 2096 cv_setspritepos (gp, &info->pos); 2097 #else /* CV_NO_INT */ 2098 cv_setspritepos (gp, &info->pos); 2099 curs_update_flag = 1; 2100 #endif /* CV_NO_INT */ 2101 } 2102 if (info->set & GRFSPRSET_CMAP) { 2103 volatile caddr_t hwc; 2104 int test; 2105 2106 /* reset colour stack */ 2107 test = RCrt(ba, CRT_ID_HWGC_MODE); 2108 __asm __volatile("nop"); 2109 switch (depth) { 2110 case 8: 2111 case 15: 2112 case 16: 2113 WCrt (ba, CRT_ID_HWGC_FG_STACK, 0); 2114 hwc = ba + CRT_ADDRESS_W; 2115 *hwc = 0; 2116 break; 2117 case 32: 2118 case 24: 2119 WCrt (ba, CRT_ID_HWGC_FG_STACK, 0); 2120 hwc = ba + CRT_ADDRESS_W; 2121 *hwc = 0; 2122 *hwc = 0; 2123 break; 2124 } 2125 2126 test = RCrt(ba, CRT_ID_HWGC_MODE); 2127 __asm __volatile("nop"); 2128 switch (depth) { 2129 case 8: 2130 WCrt (ba, CRT_ID_HWGC_BG_STACK, 1); 2131 hwc = ba + CRT_ADDRESS_W; 2132 *hwc = 1; 2133 break; 2134 case 15: 2135 case 16: 2136 WCrt (ba, CRT_ID_HWGC_BG_STACK, 0xff); 2137 hwc = ba + CRT_ADDRESS_W; 2138 *hwc = 0xff; 2139 break; 2140 case 32: 2141 case 24: 2142 WCrt (ba, CRT_ID_HWGC_BG_STACK, 0xff); 2143 hwc = ba + CRT_ADDRESS_W; 2144 *hwc = 0xff; 2145 *hwc = 0xff; 2146 break; 2147 } 2148 } 2149 2150 if (info->set & GRFSPRSET_ENABLE) { 2151 if (info->enable) { 2152 cv_cursor_on = 1; 2153 cv_setup_hwc(gp); 2154 /* WCrt(ba, CRT_ID_HWGC_MODE, 0x01); */ 2155 } else 2156 WCrt(ba, CRT_ID_HWGC_MODE, 0x00); 2157 } 2158 if (info->set & GRFSPRSET_POS) 2159 cv_setspritepos(gp, &info->pos); 2160 if (info->set & GRFSPRSET_HOT) { 2161 2162 cv_hotx = info->hot.x; 2163 cv_hoty = info->hot.y; 2164 cv_setspritepos (gp, &info->pos); 2165 } 2166 return(0); 2167 } 2168 2169 2170 int 2171 cv_getspritemax (struct grf_softc *gp, struct grf_position *pos) 2172 { 2173 2174 pos->x = 64; 2175 pos->y = 64; 2176 return(0); 2177 } 2178 2179 #endif /* !CV_NO_HARDWARE_CURSOR */ 2180 2181 #endif /* NGRFCV */ 2182
Indexes created Tue Sep 30 20:09:53 GMT 2025