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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 | #include <linux/kernel.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/mm.h> #include <linux/tty.h> #include <linux/malloc.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <asm/setup.h> #include <asm/segment.h> #include <asm/system.h> #include <asm/irq.h> #include <asm/amigahw.h> #include <asm/amigaints.h> #include <asm/apollohw.h> #include <linux/fb.h> #include <linux/module.h> #include "dn_accel.h" #include "fbcon.h" #include "fbcon-mfb.h" /* apollo video HW definitions */ /* * Control Registers. IOBASE + $x * * Note: these are the Memory/IO BASE definitions for a mono card set to the * alternate address * * Control 3A and 3B serve identical functions except that 3A * deals with control 1 and 3b deals with Color LUT reg. */ #define AP_IOBASE 0x3d0 /* Base address of 1 plane board. */ #define AP_STATUS isaIO2mem(AP_IOBASE+0) /* Status register. Read */ #define AP_WRITE_ENABLE isaIO2mem(AP_IOBASE+0) /* Write Enable Register Write */ #define AP_DEVICE_ID isaIO2mem(AP_IOBASE+1) /* Device ID Register. Read */ #define AP_ROP_0 isaIO2mem(AP_IOBASE+2) /* Raster Operation reg. Write Word */ #define AP_ROP_1 isaIO2mem(AP_IOBASE+4) /* Raster Operation reg. Write Word */ #define AP_DIAG_MEM_REQ isaIO2mem(AP_IOBASE+6) /* Diagnostic Memory Request. Write Word */ #define AP_CONTROL_0 isaIO2mem(AP_IOBASE+8) /* Control Register 0. Read/Write */ #define AP_LUT_DATA isaIO2mem(AP_IOBASE+9) /* Control Register 0. Read/Write */ #define AP_CONTROL_1 isaIO2mem(AP_IOBASE+0xa) /* Control Register 1. Read/Write */ #define AP_LUT_CONTROL isaIO2mem(AP_IOBASE+0xb) /* Control Register 1. Read/Write */ #define AP_CONTROL_2A isaIO2mem(AP_IOBASE+0xc) /* Control Register 2. Read/Write */ #define AP_CONTROL_2B isaIO2mem(AP_IOBASE+0xd) /* Control Register 2. Read/Write */ #define AP_CONTROL_3A isaIO2mem(AP_IOBASE+0xe) /* Control Register 3a. Read/Write */ #define AP_CONTROL_3B isaIO2mem(AP_IOBASE+0xf) /* Control Register 3a. Read/Write */ #define FRAME_BUFFER_START 0x0A0000 #define FRAME_BUFFER_LEN 0x20000 /* CREG 0 */ #define VECTOR_MODE 0x40 /* 010x.xxxx */ #define DBLT_MODE 0x80 /* 100x.xxxx */ #define NORMAL_MODE 0xE0 /* 111x.xxxx */ #define SHIFT_BITS 0x1F /* xxx1.1111 */ /* other bits are Shift value */ /* CREG 1 */ #define AD_BLT 0x80 /* 1xxx.xxxx */ #define ROP_EN 0x10 /* xxx1.xxxx */ #define DST_EQ_SRC 0x00 /* xxx0.xxxx */ #define nRESET_SYNC 0x08 /* xxxx.1xxx */ #define SYNC_ENAB 0x02 /* xxxx.xx1x */ #define BLANK_DISP 0x00 /* xxxx.xxx0 */ #define ENAB_DISP 0x01 /* xxxx.xxx1 */ #define NORM_CREG1 (nRESET_SYNC | SYNC_ENAB | ENAB_DISP) /* no reset sync */ /* CREG 2B */ /* * Following 3 defines are common to 1, 4 and 8 plane. */ #define S_DATA_1s 0x00 /* 00xx.xxxx */ /* set source to all 1's -- vector drawing */ #define S_DATA_PIX 0x40 /* 01xx.xxxx */ /* takes source from ls-bits and replicates over 16 bits */ #define S_DATA_PLN 0xC0 /* 11xx.xxxx */ /* normal, each data access =16-bits in one plane of image mem */ /* CREG 3A/CREG 3B */ # define RESET_CREG 0x80 /* 1000.0000 */ /* ROP REG - all one nibble */ /* ********* NOTE : this is used r0,r1,r2,r3 *********** */ #define ROP(r2,r3,r0,r1) ( (U_SHORT)((r0)|((r1)<<4)|((r2)<<8)|((r3)<<12)) ) #define DEST_ZERO 0x0 #define SRC_AND_DEST 0x1 #define SRC_AND_nDEST 0x2 #define SRC 0x3 #define nSRC_AND_DEST 0x4 #define DEST 0x5 #define SRC_XOR_DEST 0x6 #define SRC_OR_DEST 0x7 #define SRC_NOR_DEST 0x8 #define SRC_XNOR_DEST 0x9 #define nDEST 0xA #define SRC_OR_nDEST 0xB #define nSRC 0xC #define nSRC_OR_DEST 0xD #define SRC_NAND_DEST 0xE #define DEST_ONE 0xF #define SWAP(A) ((A>>8) | ((A&0xff) <<8)) void dn_video_setup(char *options, int *ints); /* frame buffer operations */ static int dn_fb_open(struct fb_info *info); static int dn_fb_release(struct fb_info *info); static int dn_fb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info); static int dn_fb_get_var(struct fb_var_screeninfo *var, int con, struct fb_info *info); static int dn_fb_set_var(struct fb_var_screeninfo *var, int isactive, struct fb_info *info); static int dn_fb_get_cmap(struct fb_cmap *cmap,int kspc,int con, struct fb_info *info); static int dn_fb_set_cmap(struct fb_cmap *cmap,int kspc,int con, struct fb_info *info); static int dn_fb_pan_display(struct fb_var_screeninfo *var, int con, struct fb_info *info); static int dn_fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg, int con, struct fb_info *info); static int dnfbcon_switch(int con,struct fb_info *info); static int dnfbcon_updatevar(int con,struct fb_info *info); static void dnfbcon_blank(int blank,struct fb_info *info); static void dn_fb_set_disp(int con,struct fb_info *info); static struct display disp[MAX_NR_CONSOLES]; static struct fb_info fb_info; static struct fb_ops dn_fb_ops = { dn_fb_open,dn_fb_release, dn_fb_get_fix, dn_fb_get_var, dn_fb_set_var, dn_fb_get_cmap, dn_fb_set_cmap, dn_fb_pan_display, dn_fb_ioctl }; static int currcon=0; #define NUM_TOTAL_MODES 1 struct fb_var_screeninfo dn_fb_predefined[] = { { 0, }, }; static char dn_fb_name[]="Apollo "; /* accel stuff */ #define USE_DN_ACCEL static struct display_switch dispsw_apollofb; static int dn_fb_open(struct fb_info *info) { /* * Nothing, only a usage count for the moment */ MOD_INC_USE_COUNT; return(0); } static int dn_fb_release(struct fb_info *info) { MOD_DEC_USE_COUNT; return(0); } static int dn_fb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info) { strcpy(fix->id,"Apollo Color8"); fix->smem_start=(char*)(FRAME_BUFFER_START+IO_BASE); fix->smem_len=FRAME_BUFFER_LEN; fix->type=FB_TYPE_PACKED_PIXELS; fix->type_aux=0; fix->visual=FB_VISUAL_MONO10; fix->xpanstep=0; fix->ypanstep=0; fix->ywrapstep=0; fix->line_length=128; return 0; } static int dn_fb_get_var(struct fb_var_screeninfo *var, int con, struct fb_info *info) { var->xres=1024; var->yres=800; var->xres_virtual=1024; var->yres_virtual=1024; var->xoffset=0; var->yoffset=0; var->bits_per_pixel=1; var->grayscale=0; var->nonstd=0; var->activate=0; var->height=-1; var->width=-1; var->pixclock=0; var->left_margin=0; var->right_margin=0; var->hsync_len=0; var->vsync_len=0; var->sync=0; var->vmode=FB_VMODE_NONINTERLACED; return 0; } static int dn_fb_set_var(struct fb_var_screeninfo *var, int con, struct fb_info *info) { printk("fb_set_var\n"); if(var->xres!=1024) return -EINVAL; if(var->yres!=800) return -EINVAL; if(var->xres_virtual!=1024) return -EINVAL; if(var->yres_virtual!=1024) return -EINVAL; if(var->xoffset!=0) return -EINVAL; if(var->yoffset!=0) return -EINVAL; if(var->bits_per_pixel!=1) return -EINVAL; if(var->grayscale!=0) return -EINVAL; if(var->nonstd!=0) return -EINVAL; if(var->activate!=0) return -EINVAL; if(var->pixclock!=0) return -EINVAL; if(var->left_margin!=0) return -EINVAL; if(var->right_margin!=0) return -EINVAL; if(var->hsync_len!=0) return -EINVAL; if(var->vsync_len!=0) return -EINVAL; if(var->sync!=0) return -EINVAL; if(var->vmode!=FB_VMODE_NONINTERLACED) return -EINVAL; return 0; } static int dn_fb_get_cmap(struct fb_cmap *cmap,int kspc,int con, struct fb_info *info) { printk("get cmap not supported\n"); return -EINVAL; } static int dn_fb_set_cmap(struct fb_cmap *cmap,int kspc,int con, struct fb_info *info) { printk("set cmap not supported\n"); return -EINVAL; } static int dn_fb_pan_display(struct fb_var_screeninfo *var, int con, struct fb_info *info) { printk("panning not supported\n"); return -EINVAL; } static int dn_fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg, int con, struct fb_info *info) { printk("no IOCTLs as of yet.\n"); return -EINVAL; } static void dn_fb_set_disp(int con, struct fb_info *info) { struct fb_fix_screeninfo fix; dn_fb_get_fix(&fix,con, info); if(con==-1) con=0; disp[con].screen_base = (u_char *)fix.smem_start; printk("screenbase: %p\n",fix.smem_start); disp[con].visual = fix.visual; disp[con].type = fix.type; disp[con].type_aux = fix.type_aux; disp[con].ypanstep = fix.ypanstep; disp[con].ywrapstep = fix.ywrapstep; disp[con].can_soft_blank = 1; disp[con].inverse = 0; disp[con].line_length = fix.line_length; disp[con].dispsw = &dispsw_apollofb; } unsigned long dn_fb_init(unsigned long mem_start) { int err; printk("dn_fb_init\n"); fb_info.changevar=NULL; strcpy(&fb_info.modename[0],dn_fb_name); fb_info.fontname[0]=0; fb_info.disp=disp; fb_info.switch_con=&dnfbcon_switch; fb_info.updatevar=&dnfbcon_updatevar; fb_info.blank=&dnfbcon_blank; fb_info.node = -1; fb_info.fbops = &dn_fb_ops; printk("dn_fb_init: register\n"); err=register_framebuffer(&fb_info); if(err < 0) { panic("unable to register apollo frame buffer\n"); } /* now we have registered we can safely setup the hardware */ outb(RESET_CREG, AP_CONTROL_3A); outb(RESET_CREG, AP_CONTROL_3B); outw(0x0, AP_WRITE_ENABLE); outb(NORMAL_MODE, AP_CONTROL_0); outb((AD_BLT | DST_EQ_SRC | NORM_CREG1), AP_CONTROL_1); outb(0, AP_CONTROL_2A); outb(S_DATA_PLN, AP_CONTROL_2B); outw(SWAP(0x3), AP_ROP_1); printk("apollo frame buffer alive and kicking !\n"); dn_fb_get_var(&disp[0].var,0, &fb_info); dn_fb_set_disp(-1, &fb_info); return mem_start; } static int dnfbcon_switch(int con, struct fb_info *info) { currcon=con; return 0; } static int dnfbcon_updatevar(int con, struct fb_info *info) { return 0; } static void dnfbcon_blank(int blank, struct fb_info *info) { if(blank) { outb(0x0, AP_CONTROL_3A); } else { outb(0x1, AP_CONTROL_3A); } return ; } void dn_video_setup(char *options, int *ints) { return; } void dn_bitblt(struct display *p,int x_src,int y_src, int x_dest, int y_dest, int x_count, int y_count) { int incr,y_delta,pre_read=0,x_end,x_word_count; ushort *src,dummy; uint start_mask,end_mask,dest; short i,j; incr=(y_dest<=y_src) ? 1 : -1 ; src=(ushort *)(p->screen_base+ y_src*p->next_line+(x_src >> 4)); dest=y_dest*(p->next_line >> 1)+(x_dest >> 4); if(incr>0) { y_delta=(p->next_line*8)-x_src-x_count; x_end=x_dest+x_count-1; x_word_count=(x_end>>4) - (x_dest >> 4) + 1; start_mask=0xffff0000 >> (x_dest & 0xf); end_mask=0x7ffff >> (x_end & 0xf); outb((((x_dest & 0xf) - (x_src &0xf)) % 16)|(0x4 << 5),AP_CONTROL_0); if((x_dest & 0xf) < (x_src & 0xf)) pre_read=1; } else { y_delta=-((p->next_line*8)-x_src-x_count); x_end=x_dest-x_count+1; x_word_count=(x_dest>>4) - (x_end >> 4) + 1; start_mask=0x7ffff >> (x_dest & 0xf); end_mask=0xffff0000 >> (x_end & 0xf); outb(((-((x_src & 0xf) - (x_dest &0xf))) % 16)|(0x4 << 5),AP_CONTROL_0); if((x_dest & 0xf) > (x_src & 0xf)) pre_read=1; } for(i=0;i<y_count;i++) { if(pre_read) { dummy=*src; src+=incr; } if(x_word_count) { outb(start_mask,AP_WRITE_ENABLE); *src=dest; src+=incr; dest+=incr; outb(0,AP_WRITE_ENABLE); for(j=1;j<(x_word_count-1);j++) { *src=dest; src+=incr; dest+=incr; } outb(start_mask,AP_WRITE_ENABLE); *src=dest; dest+=incr; src+=incr; } else { outb(start_mask | end_mask, AP_WRITE_ENABLE); *src=dest; dest+=incr; src+=incr; } src+=(y_delta/16); dest+=(y_delta/16); } outb(NORMAL_MODE,AP_CONTROL_0); } static void bmove_apollofb(struct display *p, int sy, int sx, int dy, int dx, int height, int width) { #ifdef USE_DN_ACCEL dn_bitblt(p,sx,sy*p->fontheight,dx,dy*p->fontheight,width*p->fontwidth, height*p->fontheight); #else u_char *src, *dest; u_int rows; if (sx == 0 && dx == 0 && width == p->next_line) { src = p->screen_base+sy*p->fontheight*width; dest = p->screen_base+dy*p->fontheight*width; mymemmove(dest, src, height*p->fontheight*width); } else if (dy <= sy) { src = p->screen_base+sy*p->fontheight*p->next_line+sx; dest = p->screen_base+dy*p->fontheight*p->next_line+dx; for (rows = height*p->fontheight; rows--;) { mymemmove(dest, src, width); src += p->next_line; dest += p->next_line; } } else { src = p->screen_base+((sy+height)*p->fontheight-1)*p->next_line+sx; dest = p->screen_base+((dy+height)*p->fontheight-1)*p->next_line+dx; for (rows = height*p->fontheight; rows--;) { mymemmove(dest, src, width); src -= p->next_line; dest -= p->next_line; } } #endif } static void clear_apollofb(struct vc_data *conp, struct display *p, int sy, int sx, int height, int width) { u_char *dest; u_int rows; dest = p->screen_base+sy*p->fontheight*p->next_line+sx; if (sx == 0 && width == p->next_line) if (attr_reverse(p,conp)) mymemset(dest, height*p->fontheight*width); else mymemclear(dest, height*p->fontheight*width); else for (rows = height*p->fontheight; rows--; dest += p->next_line) if (attr_reverse(p,conp)) mymemset(dest, width); else mymemclear_small(dest, width); } static void putc_apollofb(struct vc_data *conp, struct display *p, int c, int yy, int xx) { u_char *dest, *cdat; u_int rows, bold, revs, underl; u_char d; c &= 0xff; dest = p->screen_base+yy*p->fontheight*p->next_line+xx; cdat = p->fontdata+c*p->fontheight; bold = attr_bold(p,conp); revs = attr_reverse(p,conp); underl = attr_underline(p,conp); for (rows = p->fontheight; rows--; dest += p->next_line) { d = *cdat++; if (underl && !rows) d = 0xff; else if (bold) d |= d>>1; if (revs) d = ~d; *dest = d; } } static void putcs_apollofb(struct vc_data *conp, struct display *p, const char *s, int count, int yy, int xx) { u_char *dest, *dest0, *cdat; u_int rows, bold, revs, underl; u_char c, d; dest0 = p->screen_base+yy*p->fontheight*p->next_line+xx; bold = attr_bold(p,conp); revs = attr_reverse(p,conp); underl = attr_underline(p,conp); while (count--) { c = *s++; dest = dest0++; cdat = p->fontdata+c*p->fontheight; for (rows = p->fontheight; rows--; dest += p->next_line) { d = *cdat++; if (underl && !rows) d = 0xff; else if (bold) d |= d>>1; if (revs) d = ~d; *dest = d; } } } static void rev_char_apollofb(struct display *p, int xx, int yy) { u_char *dest; u_int rows; dest = p->screen_base+yy*p->fontheight*p->next_line+xx; for (rows = p->fontheight; rows--; dest += p->next_line) *dest = ~*dest; } static struct display_switch dispsw_apollofb = { fbcon_mfb_setup, bmove_apollofb, clear_apollofb, putc_apollofb, putcs_apollofb, rev_char_apollofb }; 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