pvr.c revision 1.11
1 /* $NetBSD: pvr.c,v 1.11 2002/03/24 18:21:23 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Marcus Comstedt. 5 * Copyright (c) 2001 Jason R. Thorpe. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Marcus Comstedt. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /* 37 * Copyright (c) 1998, 1999 Tohru Nishimura. All rights reserved. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed by Tohru Nishimura 50 * for the NetBSD Project. 51 * 4. The name of the author may not be used to endorse or promote products 52 * derived from this software without specific prior written permission 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 67 68 __KERNEL_RCSID(0, "$NetBSD: pvr.c,v 1.11 2002/03/24 18:21:23 uch Exp $"); 69 70 #include <sys/param.h> 71 #include <sys/systm.h> 72 #include <sys/kernel.h> 73 #include <sys/device.h> 74 #include <sys/malloc.h> 75 #include <sys/buf.h> 76 #include <sys/ioctl.h> 77 78 #include <machine/cpu.h> 79 #include <machine/bus.h> 80 81 #include <dev/cons.h> 82 83 #include <dev/wscons/wsconsio.h> 84 #include <dev/wscons/wsdisplayvar.h> 85 86 #include <dev/wscons/wscons_callbacks.h> 87 88 #include <dev/rasops/rasops.h> 89 #include <dev/wsfont/wsfont.h> 90 91 #include <dreamcast/dev/pvrvar.h> 92 #include <dreamcast/dev/maple/mkbdvar.h> 93 94 #include "mkbd.h" 95 96 struct fb_devconfig { 97 vaddr_t dc_vaddr; /* framebuffer virtual address */ 98 vaddr_t dc_paddr; /* framebuffer physical address */ 99 int dc_wid; /* width of frame buffer */ 100 int dc_ht; /* height of frame buffer */ 101 int dc_depth; /* depth, bits per pixel */ 102 int dc_rowbytes; /* bytes in a FB scan line */ 103 vaddr_t dc_videobase; /* base of flat frame buffer */ 104 int dc_blanked; /* currently has video disabled */ 105 int dc_dispflags; /* display flags */ 106 int dc_tvsystem; /* TV broadcast system */ 107 108 struct rasops_info rinfo; 109 }; 110 111 #define PVR_RGBMODE 0x01 /* RGB or composite */ 112 #define PVR_VGAMODE 0x02 /* VGA */ 113 114 struct pvr_softc { 115 struct device sc_dev; 116 struct fb_devconfig *sc_dc; /* device configuration */ 117 int nscreens; 118 }; 119 120 int pvr_match(struct device *, struct cfdata *, void *); 121 void pvr_attach(struct device *, struct device *, void *); 122 123 struct cfattach pvr_ca = { 124 sizeof(struct pvr_softc), pvr_match, pvr_attach, 125 }; 126 127 void pvr_getdevconfig(struct fb_devconfig *); 128 129 struct fb_devconfig pvr_console_dc; 130 131 char pvr_stdscreen_textgeom[32] = { "std" }; /* XXX yuck */ 132 133 struct wsscreen_descr pvr_stdscreen = { 134 pvr_stdscreen_textgeom, 0, 0, 135 0, /* textops */ 136 0, 0, 137 WSSCREEN_WSCOLORS, 138 }; 139 140 const struct wsscreen_descr *_pvr_scrlist[] = { 141 &pvr_stdscreen, 142 }; 143 144 const struct wsscreen_list pvr_screenlist = { 145 sizeof(_pvr_scrlist) / sizeof(struct wsscreen_descr *), _pvr_scrlist 146 }; 147 148 int pvrioctl(void *, u_long, caddr_t, int, struct proc *); 149 paddr_t pvrmmap(void *, off_t, int); 150 151 int pvr_alloc_screen(void *, const struct wsscreen_descr *, 152 void **, int *, int *, long *); 153 void pvr_free_screen(void *, void *); 154 int pvr_show_screen(void *, void *, int, 155 void (*)(void *, int, int), void *); 156 157 const struct wsdisplay_accessops pvr_accessops = { 158 pvrioctl, 159 pvrmmap, 160 pvr_alloc_screen, 161 pvr_free_screen, 162 pvr_show_screen, 163 NULL, /* load_font */ 164 }; 165 166 void pvrinit(struct fb_devconfig *); 167 168 int pvr_is_console; 169 170 int 171 pvr_match(struct device *parent, struct cfdata *match, void *aux) 172 { 173 174 if (strcmp("pvr", match->cf_driver->cd_name) != 0) 175 return (0); 176 177 return (1); 178 } 179 180 void 181 pvr_getdevconfig(struct fb_devconfig *dc) 182 { 183 int i, cookie; 184 185 dc->dc_paddr = 0x05000000; 186 dc->dc_vaddr = SH3_PHYS_TO_P2SEG(dc->dc_paddr); 187 188 dc->dc_wid = 640; 189 dc->dc_ht = 480; 190 dc->dc_depth = 16; 191 dc->dc_rowbytes = dc->dc_wid * (dc->dc_depth / 8); 192 dc->dc_videobase = dc->dc_vaddr; 193 dc->dc_blanked = 0; 194 dc->dc_dispflags = 0; 195 196 /* Clear the screen. */ 197 for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t)) 198 *(u_int32_t *)(dc->dc_videobase + i) = 0x0; 199 200 /* Initialize the device. */ 201 pvrinit(dc); 202 203 dc->rinfo.ri_flg = 0; 204 dc->rinfo.ri_depth = dc->dc_depth; 205 dc->rinfo.ri_bits = (void *) dc->dc_videobase; 206 dc->rinfo.ri_width = dc->dc_wid; 207 dc->rinfo.ri_height = dc->dc_ht; 208 dc->rinfo.ri_stride = dc->dc_rowbytes; 209 210 wsfont_init(); 211 /* prefer 8 pixel wide font */ 212 cookie = wsfont_find(NULL, 8, 0, 0, WSDISPLAY_FONTORDER_L2R, 213 WSDISPLAY_FONTORDER_L2R); 214 if (cookie <= 0) 215 cookie = wsfont_find(NULL, 0, 0, 0, WSDISPLAY_FONTORDER_L2R, 216 WSDISPLAY_FONTORDER_L2R); 217 if (cookie <= 0) { 218 printf("pvr: font table is empty\n"); 219 return; 220 } 221 222 if (wsfont_lock(cookie, &dc->rinfo.ri_font)) { 223 printf("pvr: unable to lock font\n"); 224 return; 225 } 226 dc->rinfo.ri_wsfcookie = cookie; 227 228 rasops_init(&dc->rinfo, 500, 500); 229 230 /* XXX shouldn't be global */ 231 pvr_stdscreen.nrows = dc->rinfo.ri_rows; 232 pvr_stdscreen.ncols = dc->rinfo.ri_cols; 233 pvr_stdscreen.textops = &dc->rinfo.ri_ops; 234 pvr_stdscreen.capabilities = dc->rinfo.ri_caps; 235 236 /* XXX yuck */ 237 sprintf(pvr_stdscreen_textgeom, "%dx%d", pvr_stdscreen.ncols, 238 pvr_stdscreen.nrows); 239 } 240 241 void 242 pvr_attach(struct device *parent, struct device *self, void *aux) 243 { 244 struct pvr_softc *sc = (void *) self; 245 struct wsemuldisplaydev_attach_args waa; 246 int console; 247 static const char *tvsystem_name[4] = 248 { "NTSC", "PAL", "PAL-M", "PAL-N" }; 249 250 console = pvr_is_console; 251 if (console) { 252 sc->sc_dc = &pvr_console_dc; 253 sc->nscreens = 1; 254 } else { 255 sc->sc_dc = malloc(sizeof(struct fb_devconfig), M_DEVBUF, 256 M_WAITOK); 257 pvr_getdevconfig(sc->sc_dc); 258 } 259 printf(": %d x %d, %dbpp, %s, %s\n", sc->sc_dc->dc_wid, 260 sc->sc_dc->dc_ht, sc->sc_dc->dc_depth, 261 (sc->sc_dc->dc_dispflags & PVR_VGAMODE) ? "VGA" : 262 tvsystem_name[sc->sc_dc->dc_tvsystem], 263 (sc->sc_dc->dc_dispflags & PVR_RGBMODE) ? "RGB" : "composite"); 264 265 /* XXX Colormap initialization? */ 266 267 waa.console = console; 268 waa.scrdata = &pvr_screenlist; 269 waa.accessops = &pvr_accessops; 270 waa.accesscookie = sc; 271 272 (void) config_found(self, &waa, wsemuldisplaydevprint); 273 } 274 275 int 276 pvrioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) 277 { 278 struct pvr_softc *sc = v; 279 struct fb_devconfig *dc = sc->sc_dc; 280 281 switch (cmd) { 282 case WSDISPLAYIO_GTYPE: 283 *(u_int *)data = WSDISPLAY_TYPE_DCPVR; 284 return (0); 285 286 case WSDISPLAYIO_GINFO: 287 #define wsd_fbip ((struct wsdisplay_fbinfo *)data) 288 wsd_fbip->height = sc->sc_dc->dc_ht; 289 wsd_fbip->width = sc->sc_dc->dc_wid; 290 wsd_fbip->depth = sc->sc_dc->dc_depth; 291 wsd_fbip->cmsize = 0; /* XXX Colormap */ 292 #undef wsd_fbip 293 return (0); 294 295 case WSDISPLAYIO_GETCMAP: 296 case WSDISPLAYIO_PUTCMAP: 297 return (EPASSTHROUGH); /* XXX Colormap */ 298 299 case WSDISPLAYIO_SVIDEO: 300 return (EPASSTHROUGH); /* XXX */ 301 302 case WSDISPLAYIO_GVIDEO: 303 *(u_int *)data = dc->dc_blanked ? 304 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; 305 return (0); 306 307 case WSDISPLAYIO_GCURPOS: 308 case WSDISPLAYIO_SCURPOS: 309 case WSDISPLAYIO_GCURMAX: 310 case WSDISPLAYIO_GCURSOR: 311 case WSDISPLAYIO_SCURSOR: 312 return (EPASSTHROUGH); /* XXX */ 313 } 314 315 return (EPASSTHROUGH); 316 } 317 318 paddr_t 319 pvrmmap(void *v, off_t offset, int prot) 320 { 321 322 /* 323 * XXX This should be easy to support -- just need to define 324 * XXX offsets for the contol regs, etc. 325 */ 326 327 struct pvr_softc *sc = v; 328 struct fb_devconfig *dc = sc->sc_dc; 329 paddr_t addr; 330 331 if (offset >= 0 && 332 offset < sh3_round_page(dc->dc_rowbytes * dc->dc_ht)) 333 addr = sh3_btop(dc->dc_paddr + offset); 334 else 335 addr = (-1); /* XXX bogus */ 336 337 return addr; 338 } 339 340 int 341 pvr_alloc_screen(void *v, const struct wsscreen_descr *type, 342 void **cookiep, int *curxp, int *curyp, long *attrp) 343 { 344 struct pvr_softc *sc = v; 345 long defattr; 346 347 if (sc->nscreens > 0) 348 return (ENOMEM); 349 350 *cookiep = &sc->sc_dc->rinfo; /* one and only for now */ 351 *curxp = 0; 352 *curyp = 0; 353 (*sc->sc_dc->rinfo.ri_ops.alloc_attr)(&sc->sc_dc->rinfo, 0, 0, 0, 354 &defattr); 355 *attrp = defattr; 356 sc->nscreens++; 357 return (0); 358 } 359 360 void 361 pvr_free_screen(void *v, void *cookie) 362 { 363 struct pvr_softc *sc = v; 364 365 if (sc->sc_dc == &pvr_console_dc) 366 panic("pvr_free_screen: console"); 367 368 sc->nscreens--; 369 } 370 371 int 372 pvr_show_screen(void *v, void *cookie, int waitok, 373 void (*cb)(void *, int, int), void *cbarg) 374 { 375 376 return (0); 377 } 378 379 static void 380 pvr_check_cable(struct fb_devconfig *dc) 381 { 382 __volatile u_int32_t *porta = 383 (__volatile u_int32_t *)0xff80002c; 384 u_int16_t v; 385 386 /* PORT8 and PORT9 is input */ 387 *porta = (*porta & ~0xf0000) | 0xa0000; 388 389 /* Read PORT8 and PORT9 */ 390 v = ((*(__volatile u_int16_t *)(porta + 1)) >> 8) & 3; 391 392 if ((v & 2) == 0) 393 dc->dc_dispflags |= PVR_VGAMODE|PVR_RGBMODE; 394 else if ((v & 1) == 0) 395 dc->dc_dispflags |= PVR_RGBMODE; 396 } 397 398 static void 399 pvr_check_tvsys(struct fb_devconfig *dc) 400 { 401 /* XXX should use flashmem device when one exists */ 402 dc->dc_tvsystem = (*(__volatile u_int8_t *)0xa021a004) & 3; 403 } 404 405 void 406 pvrinit(struct fb_devconfig *dc) 407 { 408 __volatile u_int32_t *pvr = (__volatile u_int32_t *) 409 SH3_PHYS_TO_P2SEG(0x005f8000); 410 int display_lines_per_field = 240; 411 int v_absolute_size = 525; 412 int h_absolute_size = 857; 413 int modulo = 1, voffset, hoffset = 164, border = (126 << 16) | 837; 414 415 pvr_check_cable(dc); 416 pvr_check_tvsys(dc); 417 418 pvr[8/4] = 0; /* reset */ 419 pvr[0x40/4] = 0; /* black border */ 420 421 if (dc->dc_dispflags & PVR_VGAMODE) { 422 pvr[0x44/4] = 0x800004; /* 31kHz, RGB565 */ 423 pvr[0xd0/4] = 0x100; /* video output */ 424 display_lines_per_field = 480; 425 voffset = 36; 426 } else { 427 if(dc->dc_tvsystem & 1) { 428 /* 50 Hz */ 429 v_absolute_size = 625; 430 h_absolute_size = 863; 431 hoffset = 174; 432 border = (116 << 16) | 843; 433 } 434 pvr[0x44/4] = 0x000004; /* 15kHz, RGB565 */ 435 /* video output, PAL/NTSC, interlace */ 436 pvr[0xd0/4] = 0x110|(dc->dc_tvsystem<<6); 437 modulo += 640 * 2 / 4; /* interlace -> skip every other line */ 438 voffset = 18; 439 } 440 441 pvr[0x50/4] = 0; /* video base address, long field */ 442 pvr[0x54/4] = 640 * 2; /* video base address, short field */ 443 444 pvr[0x5c/4] = (modulo << 20) | ((display_lines_per_field - 1) << 10) | 445 (640 * 2 / 4 - 1); 446 447 voffset = (voffset << 16) | voffset; 448 449 pvr[0xf0/4] = voffset; /* V start */ 450 pvr[0xdc/4] = voffset + display_lines_per_field;/* V border */ 451 pvr[0xec/4] = hoffset; /* H start */ 452 pvr[0xd8/4] = (v_absolute_size<<16) | h_absolute_size; /* HV counter */ 453 pvr[0xd4/4] = border; /* H border */ 454 pvr[0xe8/4] = 22 << 16; 455 456 /* RGB / composite */ 457 *(__volatile u_int32_t *) 458 SH3_PHYS_TO_P2SEG(0x00702c00) = 459 ((dc->dc_dispflags & PVR_RGBMODE) ? 0 : 3) << 8; 460 461 pvr[0x44/4] |= 1; /* display on */ 462 } 463 464 /* Console support. */ 465 466 void pvrcnprobe(struct consdev *); 467 void pvrcninit(struct consdev *); 468 469 void 470 pvrcninit(struct consdev *cndev) 471 { 472 struct fb_devconfig *dcp = &pvr_console_dc; 473 long defattr; 474 475 pvr_getdevconfig(dcp); 476 (*dcp->rinfo.ri_ops.alloc_attr)(&dcp->rinfo, 0, 0, 0, &defattr); 477 wsdisplay_cnattach(&pvr_stdscreen, &dcp->rinfo, 0, 0, defattr); 478 479 pvr_is_console = 1; 480 481 cn_tab->cn_pri = CN_INTERNAL; 482 483 #if NMKBD > 0 484 mkbd_cnattach(); /* connect keyboard and screen together */ 485 #endif 486 } 487 488 void 489 pvrcnprobe(struct consdev *cndev) 490 { 491 #if NWSDISPLAY > 0 492 int maj, unit; 493 #endif 494 cndev->cn_dev = NODEV; 495 cndev->cn_pri = CN_NORMAL; 496 497 #if NWSDISPLAY > 0 498 unit = 0; 499 for (maj = 0; maj < nchrdev; maj++) { 500 if (cdevsw[maj].d_open == wsdisplayopen) 501 break; 502 } 503 if (maj != nchrdev) { 504 cndev->cn_pri = CN_INTERNAL; 505 cndev->cn_dev = makedev(maj, unit); 506 } 507 #endif 508 } 509
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