gten.c revision 1.9
1 /* $NetBSD: gten.c,v 1.9 2003/07/15 02:54:51 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas <matt (at) 3am-software.com> 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: gten.c,v 1.9 2003/07/15 02:54:51 lukem Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/buf.h> 44 #include <sys/conf.h> 45 #include <sys/device.h> 46 #include <sys/ioctl.h> 47 #include <sys/kernel.h> 48 #include <sys/malloc.h> 49 #include <sys/systm.h> 50 51 #include <uvm/uvm_extern.h> 52 53 #include <dev/pci/pcidevs.h> 54 #include <dev/pci/pcireg.h> 55 #include <dev/pci/pcivar.h> 56 57 #include <dev/wscons/wsconsio.h> 58 #include <dev/wscons/wsdisplayvar.h> 59 #include <dev/rasops/rasops.h> 60 61 #include <machine/bus.h> 62 #include <machine/gtenvar.h> 63 64 static int gten_match (struct device *, struct cfdata *, void *); 65 static void gten_attach (struct device *, struct device *, void *); 66 static int gten_print (void *, const char *); 67 68 CFATTACH_DECL(gten, sizeof(struct gten_softc), 69 gten_match, gten_attach, NULL, NULL); 70 71 static struct rasops_info gten_console_ri; 72 static pcitag_t gten_console_pcitag; 73 74 static struct wsscreen_descr gten_stdscreen = { 75 "std", 76 0, 0, 77 0, 78 0, 0, 79 WSSCREEN_REVERSE 80 }; 81 82 static const struct wsscreen_descr *_gten_scrlist[] = { 83 >en_stdscreen, 84 /* XXX other formats, graphics screen? */ 85 }; 86 87 static struct wsscreen_list gten_screenlist = { 88 sizeof(_gten_scrlist) / sizeof(struct wsscreen_descr *), _gten_scrlist 89 }; 90 91 static int gten_ioctl (void *, u_long, caddr_t, int, struct proc *); 92 static paddr_t gten_mmap (void *, off_t, int); 93 static int gten_alloc_screen (void *, const struct wsscreen_descr *, 94 void **, int *, int *, long *); 95 static void gten_free_screen (void *, void *); 96 static int gten_show_screen (void *, void *, int, 97 void (*) (void *, int, int), void *); 98 99 static struct wsdisplay_accessops gten_accessops = { 100 gten_ioctl, 101 gten_mmap, 102 gten_alloc_screen, 103 gten_free_screen, 104 gten_show_screen, 105 0 /* load_font */ 106 }; 107 108 static void gten_common_init (struct rasops_info *); 109 static int gten_getcmap (struct gten_softc *, struct wsdisplay_cmap *); 110 static int gten_putcmap (struct gten_softc *, struct wsdisplay_cmap *); 111 112 #define GTEN_VRAM_OFFSET 0xf00000 113 114 static int 115 gten_match(struct device *parent, struct cfdata *match, void *aux) 116 { 117 struct pci_attach_args *pa = aux; 118 119 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_WD && 120 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_WD_90C) 121 return 2; 122 123 return 0; 124 } 125 126 static void 127 gten_attach(struct device *parent, struct device *self, void *aux) 128 { 129 struct gten_softc *gt = (struct gten_softc *)self; 130 struct pci_attach_args *pa = aux; 131 struct wsemuldisplaydev_attach_args a; 132 int console = (pa->pa_tag == gten_console_pcitag); 133 int error; 134 char devinfo[256], pbuf[10]; 135 136 error = pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14, 137 PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 138 >->gt_memaddr, >->gt_memsize, NULL); 139 if (error) { 140 printf(": can't determine memory size: error=%d\n", 141 error); 142 return; 143 } 144 if (console) { 145 gt->gt_ri = >en_console_ri; 146 gt->gt_nscreens = 1; 147 } else { 148 MALLOC(gt->gt_ri, struct rasops_info *, sizeof(*gt->gt_ri), 149 M_DEVBUF, M_NOWAIT); 150 if (gt->gt_ri == NULL) { 151 printf(": can't alloc memory\n"); 152 return; 153 } 154 memset(gt->gt_ri, 0, sizeof(*gt->gt_ri)); 155 #if 0 156 error = pci_mapreg_map(pa, 0x14, 157 PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 158 BUS_SPACE_MAP_LINEAR, NULL, 159 (bus_space_handle_t *) >->gt_ri->ri_bits, 160 NULL, NULL); 161 #else 162 error = bus_space_map(pa->pa_memt, gt->gt_memaddr + GTEN_VRAM_OFFSET, 163 960*1024, BUS_SPACE_MAP_LINEAR, 164 (bus_space_handle_t *) >->gt_ri->ri_bits); 165 #endif 166 if (error) { 167 printf(": can't map frame buffer: error=%d\n", error); 168 return; 169 } 170 171 gten_common_init(gt->gt_ri); 172 } 173 174 gt->gt_paddr = vtophys((vaddr_t)gt->gt_ri->ri_bits); 175 if (gt->gt_paddr == 0) { 176 printf(": cannot map framebuffer\n"); 177 return; 178 } 179 gt->gt_psize = gt->gt_memsize - GTEN_VRAM_OFFSET; 180 181 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 182 printf(": %s\n", devinfo); 183 format_bytes(pbuf, sizeof(pbuf), gt->gt_psize); 184 printf("%s: %s, %dx%d, %dbpp\n", self->dv_xname, pbuf, 185 gt->gt_ri->ri_width, gt->gt_ri->ri_height, 186 gt->gt_ri->ri_depth); 187 #if defined(DEBUG) 188 printf("%s: text %dx%d, =+%d+%d\n", self->dv_xname, 189 gt->gt_ri->ri_cols, gt->gt_ri->ri_rows, 190 gt->gt_ri->ri_xorigin, gt->gt_ri->ri_yorigin); 191 192 { int i; 193 struct rasops_info *ri = gt->gt_ri; 194 for (i = 0; i < 64; i++) { 195 int j = i * ri->ri_stride; 196 int k = (ri->ri_height - i - 1) * gt->gt_ri->ri_stride; 197 memset(ri->ri_bits + j, 0, 64 - i); 198 memset(ri->ri_bits + j + 64 - i, 255, i); 199 200 memset(ri->ri_bits + j + ri->ri_width - 64 + i, 0, 64 - i); 201 memset(ri->ri_bits + j + ri->ri_width - 64, 255, i); 202 203 memset(ri->ri_bits + k, 0, 64 - i); 204 memset(ri->ri_bits + k + 64 - i, 255, i); 205 206 memset(ri->ri_bits + k + ri->ri_width - 64 + i, 0, 64 - i); 207 memset(ri->ri_bits + k + ri->ri_width - 64, 255, i); 208 }} 209 #endif 210 211 gt->gt_cmap_red[0] = gt->gt_cmap_green[0] = gt->gt_cmap_blue[0] = 0; 212 gt->gt_cmap_red[15] = gt->gt_cmap_red[255] = 0xff; 213 gt->gt_cmap_green[15] = gt->gt_cmap_green[255] = 0xff; 214 gt->gt_cmap_blue[15] = gt->gt_cmap_blue[255] = 0xff; 215 216 a.console = console; 217 a.scrdata = >en_screenlist; 218 a.accessops = >en_accessops; 219 a.accesscookie = gt; 220 221 config_found(self, &a, wsemuldisplaydevprint); 222 } 223 224 static void 225 gten_common_init(struct rasops_info *ri) 226 { 227 int32_t addr, width, height, linebytes, depth; 228 int i, screenbytes; 229 230 /* initialize rasops */ 231 ri->ri_width = 640; 232 ri->ri_height = 480; 233 ri->ri_depth = 8; 234 ri->ri_stride = 640; 235 ri->ri_flg = RI_FORCEMONO | RI_FULLCLEAR; 236 237 rasops_init(ri, 30, 80); 238 /* black on white */ 239 ri->ri_devcmap[0] = 0xffffffff; /* bg */ 240 ri->ri_devcmap[1] = 0; /* fg */ 241 242 memset(ri->ri_bits, 0xff, ri->ri_stride * ri->ri_height); 243 244 gten_stdscreen.nrows = ri->ri_rows; 245 gten_stdscreen.ncols = ri->ri_cols; 246 gten_stdscreen.textops = &ri->ri_ops; 247 gten_stdscreen.capabilities = ri->ri_caps; 248 } 249 250 static int 251 gten_ioctl(v, cmd, data, flag, p) 252 void *v; 253 u_long cmd; 254 caddr_t data; 255 int flag; 256 struct proc *p; 257 { 258 struct gten_softc *gt = v; 259 struct wsdisplay_fbinfo *wdf; 260 struct grfinfo *gm; 261 262 switch (cmd) { 263 case WSDISPLAYIO_GTYPE: 264 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; /* XXX ? */ 265 return 0; 266 267 case WSDISPLAYIO_GINFO: 268 wdf = (void *)data; 269 wdf->height = gt->gt_ri->ri_height; 270 wdf->width = gt->gt_ri->ri_width; 271 wdf->depth = gt->gt_ri->ri_depth; 272 wdf->cmsize = 256; 273 return 0; 274 275 case WSDISPLAYIO_GETCMAP: 276 return gten_getcmap(gt, (struct wsdisplay_cmap *)data); 277 278 case WSDISPLAYIO_PUTCMAP: 279 return gten_putcmap(gt, (struct wsdisplay_cmap *)data); 280 } 281 return EPASSTHROUGH; 282 } 283 284 static paddr_t 285 gten_mmap(v, offset, prot) 286 void *v; 287 off_t offset; 288 int prot; 289 { 290 struct gten_softc *gt = v; 291 292 if (offset >= 0 && offset < gt->gt_psize) 293 return gt->gt_paddr + offset; 294 if (offset >= 0x1000000 && offset < gt->gt_memsize) 295 return gt->gt_memaddr + offset - 0x1000000; 296 297 return -1; 298 } 299 300 static int 301 gten_alloc_screen(v, type, cookiep, curxp, curyp, attrp) 302 void *v; 303 const struct wsscreen_descr *type; 304 void **cookiep; 305 int *curxp, *curyp; 306 long *attrp; 307 { 308 struct gten_softc *gt = v; 309 struct rasops_info *ri = gt->gt_ri; 310 long defattr; 311 312 if (gt->gt_nscreens > 0) 313 return (ENOMEM); 314 315 *cookiep = ri; /* one and only for now */ 316 *curxp = 0; 317 *curyp = 0; 318 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 319 *attrp = defattr; 320 gt->gt_nscreens++; 321 return 0; 322 } 323 324 static void 325 gten_free_screen(v, cookie) 326 void *v; 327 void *cookie; 328 { 329 struct gten_softc *gt = v; 330 331 if (gt->gt_ri == >en_console_ri) 332 panic("gten_free_screen: console"); 333 334 gt->gt_nscreens--; 335 } 336 337 static int 338 gten_show_screen(v, cookie, waitok, cb, cbarg) 339 void *v; 340 void *cookie; 341 int waitok; 342 void (*cb) (void *, int, int); 343 void *cbarg; 344 { 345 return (0); 346 } 347 348 int 349 gten_cnattach(pci_chipset_tag_t pc, bus_space_tag_t memt) 350 { 351 struct rasops_info *ri = >en_console_ri; 352 u_int32_t mapreg, id, mask, mapsize; 353 long defattr; 354 pcitag_t tag; 355 int s, error; 356 bus_size_t bussize; 357 bus_addr_t busaddr; 358 359 tag = pci_make_tag(pc, 0, 14, 0); 360 361 id = pci_conf_read(pc, tag, PCI_ID_REG); 362 if (PCI_VENDOR(id) != PCI_VENDOR_WD || 363 PCI_PRODUCT(id) != PCI_PRODUCT_WD_90C) 364 return ENXIO; 365 366 mapreg = pci_conf_read(pc, tag, 0x14); 367 if (PCI_MAPREG_TYPE(mapreg) != PCI_MAPREG_TYPE_MEM || 368 PCI_MAPREG_MEM_TYPE(mapreg) != PCI_MAPREG_MEM_TYPE_32BIT) 369 return ENXIO; 370 371 s = splhigh(); 372 pci_conf_write(pc, tag, 0x14, 0xffffffff); 373 mask = pci_conf_read(pc, tag, 0x14); 374 pci_conf_write(pc, tag, 0x14, mapreg); 375 splx(s); 376 bussize = PCI_MAPREG_MEM_SIZE(mask); 377 busaddr = PCI_MAPREG_MEM_ADDR(mapreg); 378 379 error = bus_space_map(memt, busaddr + GTEN_VRAM_OFFSET, 960*1024, 380 BUS_SPACE_MAP_LINEAR, (bus_space_handle_t *) &ri->ri_bits); 381 if (error) 382 return error; 383 384 gten_common_init(ri); 385 386 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 387 wsdisplay_cnattach(>en_stdscreen, ri, 0, 0, defattr); 388 389 gten_console_pcitag = tag; 390 391 return 0; 392 } 393 394 static int 395 gten_getcmap(gt, cm) 396 struct gten_softc *gt; 397 struct wsdisplay_cmap *cm; 398 { 399 u_int index = cm->index; 400 u_int count = cm->count; 401 int error; 402 403 if (index >= 256 || count > 256 || index + count > 256) 404 return EINVAL; 405 406 error = copyout(>->gt_cmap_red[index], cm->red, count); 407 if (error) 408 return error; 409 error = copyout(>->gt_cmap_green[index], cm->green, count); 410 if (error) 411 return error; 412 error = copyout(>->gt_cmap_blue[index], cm->blue, count); 413 if (error) 414 return error; 415 416 return 0; 417 } 418 419 static int 420 gten_putcmap(gt, cm) 421 struct gten_softc *gt; 422 struct wsdisplay_cmap *cm; 423 { 424 int index = cm->index; 425 int count = cm->count; 426 int i; 427 u_char *r, *g, *b; 428 429 if (cm->index >= 256 || cm->count > 256 || 430 (cm->index + cm->count) > 256) 431 return EINVAL; 432 if (!uvm_useracc(cm->red, cm->count, B_READ) || 433 !uvm_useracc(cm->green, cm->count, B_READ) || 434 !uvm_useracc(cm->blue, cm->count, B_READ)) 435 return EFAULT; 436 copyin(cm->red, >->gt_cmap_red[index], count); 437 copyin(cm->green, >->gt_cmap_green[index], count); 438 copyin(cm->blue, >->gt_cmap_blue[index], count); 439 440 r = >->gt_cmap_red[index]; 441 g = >->gt_cmap_green[index]; 442 b = >->gt_cmap_blue[index]; 443 444 #if 0 445 for (i = 0; i < count; i++) { 446 OF_call_method_1("color!", dc->dc_ih, 4, *r, *g, *b, index); 447 r++, g++, b++, index++; 448 } 449 #endif 450 451 return 0; 452 } 453
Indexes created Mon Oct 20 20:10:13 GMT 2025