1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
29 /* All Rights Reserved */
30
31 #include <sys/errno.h>
32 #include <sys/types.h>
33 #include <sys/conf.h>
34 #include <sys/kmem.h>
35 #include <sys/visual_io.h>
36 #include <sys/font.h>
37 #include <sys/fbio.h>
38 #include <sys/ddi.h>
39 #include <sys/stat.h>
40 #include <sys/sunddi.h>
41 #include <sys/file.h>
42 #include <sys/open.h>
43 #include <sys/modctl.h>
44 #include <sys/vgareg.h>
45 #include <sys/vgasubr.h>
46 #include <sys/pci.h>
47 #include <sys/kd.h>
48 #include <sys/ddi_impldefs.h>
49 #include <sys/gfx_private.h>
50
51 #define MYNAME "gfxp_vgatext"
52
53 #define TEXT_ROWS 25
54 #define TEXT_COLS 80
55
56 #define VGA_BRIGHT_WHITE 0x0f
57 #define VGA_BLACK 0x00
58
59 #define VGA_REG_ADDR 0x3c0
60 #define VGA_REG_SIZE 0x20
61
62 #define VGA_MEM_ADDR 0xa0000
63 #define VGA_MEM_SIZE 0x20000
64
65 #define VGA_MMAP_FB_BASE VGA_MEM_ADDR
66
67 struct vgatext_softc {
68 struct vgaregmap regs;
69 struct vgaregmap fb;
70 off_t fb_size;
71 int fb_regno;
72 dev_info_t *devi;
73 int mode; /* KD_TEXT or KD_GRAPHICS */
74 caddr_t text_base; /* hardware text base */
75 char shadow[TEXT_ROWS*TEXT_COLS*2];
76 caddr_t current_base; /* hardware or shadow */
77 struct {
78 boolean_t visible;
79 int row;
80 int col;
81 } cursor;
82 struct vis_polledio polledio;
83 struct {
84 unsigned char red;
85 unsigned char green;
86 unsigned char blue;
87 } colormap[VGA8_CMAP_ENTRIES];
88 unsigned char attrib_palette[VGA_ATR_NUM_PLT];
89 unsigned int flags;
90 kmutex_t lock;
91 };
92
93 typedef enum pc_colors {
94 pc_black = 0,
95 pc_blue = 1,
96 pc_green = 2,
97 pc_cyan = 3,
98 pc_red = 4,
99 pc_magenta = 5,
100 pc_brown = 6,
101 pc_white = 7,
102 pc_grey = 8,
103 pc_brt_blue = 9,
104 pc_brt_green = 10,
105 pc_brt_cyan = 11,
106 pc_brt_red = 12,
107 pc_brt_magenta = 13,
108 pc_yellow = 14,
109 pc_brt_white = 15
110 } pc_colors_t;
111
112 static const unsigned char solaris_color_to_pc_color[16] = {
113 pc_brt_white, /* 0 - brt_white */
114 pc_black, /* 1 - black */
115 pc_blue, /* 2 - blue */
116 pc_green, /* 3 - green */
117 pc_cyan, /* 4 - cyan */
118 pc_red, /* 5 - red */
119 pc_magenta, /* 6 - magenta */
120 pc_brown, /* 7 - brown */
121 pc_white, /* 8 - white */
122 pc_grey, /* 9 - gery */
123 pc_brt_blue, /* 10 - brt_blue */
124 pc_brt_green, /* 11 - brt_green */
125 pc_brt_cyan, /* 12 - brt_cyan */
126 pc_brt_red, /* 13 - brt_red */
127 pc_brt_magenta, /* 14 - brt_magenta */
128 pc_yellow /* 15 - yellow */
129 };
130
131 static ddi_device_acc_attr_t dev_attr = {
132 DDI_DEVICE_ATTR_V0,
133 DDI_NEVERSWAP_ACC,
134 DDI_STRICTORDER_ACC,
135 };
136
137 /* default structure for FBIOGATTR ioctl */
138 static struct fbgattr vgatext_attr = {
139 /* real_type owner */
140 FBTYPE_SUNFAST_COLOR, 0,
141 /* fbtype: type h w depth cms size */
142 { FBTYPE_SUNFAST_COLOR, TEXT_ROWS, TEXT_COLS, 1, 256, 0 },
143 /* fbsattr: flags emu_type dev_specific */
144 { 0, FBTYPE_SUN4COLOR, { 0 } },
145 /* emu_types */
146 { -1 }
147 };
148
149 #define GFXP_FLAG_CONSOLE 0x00000001
150 #define GFXP_IS_CONSOLE(softc) ((softc)->flags & GFXP_FLAG_CONSOLE)
151
152 /*
153 * Global name used to write the softc pointer in, for the
154 * data wrapper vgatext_return_pointers()
155 */
156
157
158 int gfxp_vgatext_detach(dev_info_t *devi, ddi_detach_cmd_t cmd,
159 gfxp_vgatext_softc_ptr_t ptr);
160 static int vgatext_devinit(struct vgatext_softc *, struct vis_devinit *data);
161 static void vgatext_cons_copy(struct vgatext_softc *,
162 struct vis_conscopy *);
163 static void vgatext_cons_display(struct vgatext_softc *,
164 struct vis_consdisplay *);
165 static void vgatext_cons_cursor(struct vgatext_softc *,
166 struct vis_conscursor *);
167 static void vgatext_polled_copy(struct vis_polledio_arg *,
168 struct vis_conscopy *);
169 static void vgatext_polled_display(struct vis_polledio_arg *,
170 struct vis_consdisplay *);
171 static void vgatext_polled_cursor(struct vis_polledio_arg *,
172 struct vis_conscursor *);
173 static void vgatext_init(struct vgatext_softc *);
174 static void vgatext_set_text(struct vgatext_softc *);
175
176 static void vgatext_save_text(struct vgatext_softc *softc);
177 static void vgatext_restore_textmode(struct vgatext_softc *softc);
178 static int vgatext_suspend(struct vgatext_softc *softc);
179 static void vgatext_resume(struct vgatext_softc *softc);
180
181 #if defined(USE_BORDERS)
182 static void vgatext_init_graphics(struct vgatext_softc *);
183 #endif
184
185 static int vgatext_kdsetmode(struct vgatext_softc *softc, int mode);
186 static void vgatext_setfont(struct vgatext_softc *softc);
187 static void vgatext_get_cursor(struct vgatext_softc *softc,
188 screen_pos_t *row, screen_pos_t *col);
189 static void vgatext_set_cursor(struct vgatext_softc *softc, int row, int col);
190 static void vgatext_hide_cursor(struct vgatext_softc *softc);
191 static void vgatext_save_colormap(struct vgatext_softc *softc);
192 static void vgatext_restore_colormap(struct vgatext_softc *softc);
193 static int vgatext_get_pci_reg_index(dev_info_t *const devi,
194 unsigned long himask, unsigned long hival, unsigned long addr,
195 off_t *offset);
196 static int vgatext_get_isa_reg_index(dev_info_t *const devi,
197 unsigned long hival, unsigned long addr, off_t *offset);
198
199 static char vgatext_silent;
200 static char happyface_boot;
201
202 gfxp_vgatext_softc_ptr_t
203 gfxp_vgatext_softc_alloc(void)
204 {
205 return (kmem_zalloc(sizeof (struct vgatext_softc), KM_SLEEP));
206 }
207
208 void
209 gfxp_vgatext_softc_free(gfxp_vgatext_softc_ptr_t ptr)
210 {
211 kmem_free(ptr, sizeof (struct vgatext_softc));
212 }
213
214 /*
215 * NOTE: this function is duplicated here and in consplat/vgatext while
216 * we work on a set of commitable interfaces to sunpci.c.
217 *
218 * Use the class code to determine if the device is a PCI-to-PCI bridge.
219 * Returns: B_TRUE if the device is a bridge.
220 * B_FALSE if the device is not a bridge or the property cannot be
221 * retrieved.
222 */
223 static boolean_t
224 is_pci_bridge(dev_info_t *dip)
225 {
226 uint32_t class_code;
227
228 class_code = (uint32_t)ddi_prop_get_int(DDI_DEV_T_ANY, dip,
229 DDI_PROP_DONTPASS, "class-code", 0xffffffff);
230
231 if (class_code == 0xffffffff || class_code == DDI_PROP_NOT_FOUND)
232 return (B_FALSE);
233
234 class_code &= 0x00ffff00;
235 if (class_code == ((PCI_CLASS_BRIDGE << 16) | (PCI_BRIDGE_PCI << 8)))
236 return (B_TRUE);
237
238 return (B_FALSE);
239 }
240
241 #define STREQ(a, b) (strcmp((a), (b)) == 0)
242
243 static void
244 gfxp_check_for_console(dev_info_t *devi, struct vgatext_softc *softc,
245 int pci_pcie_bus)
246 {
247 ddi_acc_handle_t pci_conf;
248 dev_info_t *pdevi;
249 uint16_t data16;
250
251 /*
252 * Based on Section 11.3, "PCI Display Subsystem Initialization",
253 * of the 1.1 PCI-to-PCI Bridge Architecture Specification
254 * determine if this is the boot console device. First, see
255 * if the SBIOS has turned on PCI I/O for this device. Then if
256 * this is PCI/PCI-E, verify the parent bridge has VGAEnable set.
257 */
258
259 if (pci_config_setup(devi, &pci_conf) != DDI_SUCCESS) {
260 cmn_err(CE_WARN,
261 MYNAME
262 ": can't get PCI conf handle");
263 return;
264 }
265
266 data16 = pci_config_get16(pci_conf, PCI_CONF_COMM);
267 if (data16 & PCI_COMM_IO)
268 softc->flags |= GFXP_FLAG_CONSOLE;
269
270 pci_config_teardown(&pci_conf);
271
272 /* If IO not enabled or ISA/EISA, just return */
273 if (!(softc->flags & GFXP_FLAG_CONSOLE) || !pci_pcie_bus)
274 return;
275
276 /*
277 * Check for VGA Enable in the Bridge Control register for all
278 * PCI/PCIEX parents. If not set all the way up the chain,
279 * this cannot be the boot console.
280 */
281
282 pdevi = devi;
283 while (pdevi = ddi_get_parent(pdevi)) {
284 int error;
285 ddi_acc_handle_t ppci_conf;
286 char *parent_type = NULL;
287
288 error = ddi_prop_lookup_string(DDI_DEV_T_ANY, pdevi,
289 DDI_PROP_DONTPASS, "device_type", &parent_type);
290 if (error != DDI_SUCCESS) {
291 return;
292 }
293
294 /* Verify still on the PCI/PCIEX parent tree */
295 if (!STREQ(parent_type, "pci") &&
296 !STREQ(parent_type, "pciex")) {
297 ddi_prop_free(parent_type);
298 return;
299 }
300
301 ddi_prop_free(parent_type);
302 parent_type = NULL;
303
304 /* VGAEnable is set only for PCI-to-PCI bridges. */
305 if (is_pci_bridge(pdevi) == B_FALSE)
306 continue;
307
308 if (pci_config_setup(pdevi, &ppci_conf) != DDI_SUCCESS)
309 continue;
310
311 data16 = pci_config_get16(ppci_conf, PCI_BCNF_BCNTRL);
312 pci_config_teardown(&ppci_conf);
313
314 if (!(data16 & PCI_BCNF_BCNTRL_VGA_ENABLE)) {
315 softc->flags &= ~GFXP_FLAG_CONSOLE;
316 return;
317 }
318 }
319 }
320
321 int
322 gfxp_vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd,
323 gfxp_vgatext_softc_ptr_t ptr)
324 {
325 struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
326 int unit = ddi_get_instance(devi);
327 int error;
328 char *parent_type = NULL;
329 int reg_rnumber;
330 off_t reg_offset;
331 off_t mem_offset;
332 char *cons;
333 int pci_pcie_bus = 0;
334 int value;
335
336 switch (cmd) {
337 case DDI_ATTACH:
338 break;
339
340 case DDI_RESUME:
341 vgatext_resume(softc);
342 return (DDI_SUCCESS);
343
344 default:
345 return (DDI_FAILURE);
346 }
347
348 /* DDI_ATTACH */
349
350 softc->devi = devi; /* Copy and init DEVI */
351
352 softc->polledio.arg = (struct vis_polledio_arg *)softc;
353 softc->polledio.display = vgatext_polled_display;
354 softc->polledio.copy = vgatext_polled_copy;
355 softc->polledio.cursor = vgatext_polled_cursor;
356
357 mutex_init(&(softc->lock), NULL, MUTEX_DRIVER, NULL);
358
359 error = ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_get_parent(devi),
360 DDI_PROP_DONTPASS, "device_type", &parent_type);
361 if (error != DDI_SUCCESS) {
362 cmn_err(CE_WARN, MYNAME ": can't determine parent type.");
363 goto fail;
364 }
365
366 /* Not enable AGP and DRM by default */
367 if (STREQ(parent_type, "isa") || STREQ(parent_type, "eisa")) {
368 reg_rnumber = vgatext_get_isa_reg_index(devi, 1, VGA_REG_ADDR,
369 ®_offset);
370 if (reg_rnumber < 0) {
371 cmn_err(CE_WARN,
372 MYNAME
373 ": can't find reg entry for registers");
374 error = DDI_FAILURE;
375 goto fail;
376 }
377 softc->fb_regno = vgatext_get_isa_reg_index(devi, 0,
378 VGA_MEM_ADDR, &mem_offset);
379 if (softc->fb_regno < 0) {
380 cmn_err(CE_WARN,
381 MYNAME
382 ": can't find reg entry for memory");
383 error = DDI_FAILURE;
384 goto fail;
385 }
386 } else if (STREQ(parent_type, "pci") || STREQ(parent_type, "pciex")) {
387 pci_pcie_bus = 1;
388 reg_rnumber = vgatext_get_pci_reg_index(devi,
389 PCI_REG_ADDR_M|PCI_REG_REL_M,
390 PCI_ADDR_IO|PCI_RELOCAT_B, VGA_REG_ADDR,
391 ®_offset);
392 if (reg_rnumber < 0) {
393 cmn_err(CE_WARN,
394 MYNAME
395 ": can't find reg entry for registers");
396 error = DDI_FAILURE;
397 goto fail;
398 }
399 softc->fb_regno = vgatext_get_pci_reg_index(devi,
400 PCI_REG_ADDR_M|PCI_REG_REL_M,
401 PCI_ADDR_MEM32|PCI_RELOCAT_B, VGA_MEM_ADDR,
402 &mem_offset);
403 if (softc->fb_regno < 0) {
404 cmn_err(CE_WARN,
405 MYNAME
406 ": can't find reg entry for memory");
407 error = DDI_FAILURE;
408 goto fail;
409 }
410 } else {
411 cmn_err(CE_WARN, MYNAME ": unknown parent type \"%s\".",
412 parent_type);
413 error = DDI_FAILURE;
414 goto fail;
415 }
416 ddi_prop_free(parent_type);
417 parent_type = NULL;
418
419 error = ddi_regs_map_setup(devi, reg_rnumber,
420 (caddr_t *)&softc->regs.addr, reg_offset, VGA_REG_SIZE,
421 &dev_attr, &softc->regs.handle);
422 if (error != DDI_SUCCESS)
423 goto fail;
424 softc->regs.mapped = B_TRUE;
425
426 softc->fb_size = VGA_MEM_SIZE;
427
428 error = ddi_regs_map_setup(devi, softc->fb_regno,
429 (caddr_t *)&softc->fb.addr,
430 mem_offset, softc->fb_size,
431 &dev_attr, &softc->fb.handle);
432 if (error != DDI_SUCCESS)
433 goto fail;
434 softc->fb.mapped = B_TRUE;
435
436 if (ddi_get8(softc->regs.handle,
437 softc->regs.addr + VGA_MISC_R) & VGA_MISC_IOA_SEL)
438 softc->text_base = (caddr_t)softc->fb.addr + VGA_COLOR_BASE;
439 else
440 softc->text_base = (caddr_t)softc->fb.addr + VGA_MONO_BASE;
441
442 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(),
443 DDI_PROP_DONTPASS, "console", &cons) == DDI_SUCCESS) {
444 if (strcmp(cons, "graphics") == 0) {
445 happyface_boot = 1;
446 vgatext_silent = 1;
447 softc->current_base = softc->shadow;
448 } else {
449 softc->current_base = softc->text_base;
450 }
451 ddi_prop_free(cons);
452 } else {
453 softc->current_base = softc->text_base;
454 }
455
456 error = ddi_prop_create(makedevice(DDI_MAJOR_T_UNKNOWN, unit),
457 devi, DDI_PROP_CANSLEEP, DDI_KERNEL_IOCTL, NULL, 0);
458 if (error != DDI_SUCCESS)
459 goto fail;
460
461 gfxp_check_for_console(devi, softc, pci_pcie_bus);
462
463 value = GFXP_IS_CONSOLE(softc) ? 1 : 0;
464 if (ddi_prop_update_int(DDI_DEV_T_NONE, devi,
465 "primary-controller", value) != DDI_SUCCESS) {
466 cmn_err(CE_WARN,
467 "Can not %s primary-controller "
468 "property for driver", value ? "set" : "clear");
469 }
470
471 /* only do this if not in graphics mode */
472 if ((vgatext_silent == 0) && (GFXP_IS_CONSOLE(softc))) {
473 vgatext_init(softc);
474 vgatext_save_colormap(softc);
475 }
476
477 return (DDI_SUCCESS);
478
479 fail:
480 if (parent_type != NULL)
481 ddi_prop_free(parent_type);
482 (void) gfxp_vgatext_detach(devi, DDI_DETACH, (void *)softc);
483 return (error);
484 }
485
486 /*ARGSUSED*/
487 int
488 gfxp_vgatext_detach(dev_info_t *devi, ddi_detach_cmd_t cmd,
489 gfxp_vgatext_softc_ptr_t ptr)
490 {
491 struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
492
493 (void) ddi_prop_remove(DDI_DEV_T_ANY, devi, "primary-controller");
494
495 switch (cmd) {
496
497 case DDI_SUSPEND:
498 return (vgatext_suspend(softc));
499 /* break; */
500 case DDI_DETACH:
501 if (softc->fb.mapped)
502 ddi_regs_map_free(&softc->fb.handle);
503 if (softc->regs.mapped)
504 ddi_regs_map_free(&softc->regs.handle);
505 mutex_destroy(&(softc->lock));
506 return (DDI_SUCCESS);
507
508 default:
509 cmn_err(CE_WARN, "gfxp_vgatext_detach: unknown cmd 0x%x\n",
510 cmd);
511 return (DDI_FAILURE);
512 }
513 }
514
515 /*ARGSUSED*/
516 int
517 gfxp_vgatext_open(dev_t *devp, int flag, int otyp, cred_t *cred,
518 gfxp_vgatext_softc_ptr_t ptr)
519 {
520 struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
521
522 if (softc == NULL || otyp == OTYP_BLK)
523 return (ENXIO);
524
525 return (0);
526 }
527
528 /*ARGSUSED*/
529 int
530 gfxp_vgatext_close(dev_t devp, int flag, int otyp, cred_t *cred,
531 gfxp_vgatext_softc_ptr_t ptr)
532 {
533 return (0);
534 }
535
536 static int
537 do_gfx_ioctl(int cmd, intptr_t data, int mode, struct vgatext_softc *softc)
538 {
539 static char kernel_only[] =
540 "gfxp_vgatext_ioctl: %s is a kernel only ioctl";
541 int err;
542 int kd_mode;
543
544 switch (cmd) {
545 case KDSETMODE:
546 return (vgatext_kdsetmode(softc, (int)data));
547
548 case KDGETMODE:
549 kd_mode = softc->mode;
550 if (ddi_copyout(&kd_mode, (void *)data, sizeof (int), mode))
551 return (EFAULT);
552 break;
553
554 case VIS_DEVINIT:
555
556 if (!(mode & FKIOCTL)) {
557 cmn_err(CE_CONT, kernel_only, "VIS_DEVINIT");
558 return (ENXIO);
559 }
560
561 err = vgatext_devinit(softc, (struct vis_devinit *)data);
562 if (err != 0) {
563 cmn_err(CE_WARN,
564 "gfxp_vgatext_ioctl: could not"
565 " initialize console");
566 return (err);
567 }
568 break;
569
570 case VIS_CONSCOPY: /* move */
571 {
572 struct vis_conscopy pma;
573
574 if (ddi_copyin((void *)data, &pma,
575 sizeof (struct vis_conscopy), mode))
576 return (EFAULT);
577
578 vgatext_cons_copy(softc, &pma);
579 break;
580 }
581
582 case VIS_CONSDISPLAY: /* display */
583 {
584 struct vis_consdisplay display_request;
585
586 if (ddi_copyin((void *)data, &display_request,
587 sizeof (display_request), mode))
588 return (EFAULT);
589
590 vgatext_cons_display(softc, &display_request);
591 break;
592 }
593
594 case VIS_CONSCURSOR:
595 {
596 struct vis_conscursor cursor_request;
597
598 if (ddi_copyin((void *)data, &cursor_request,
599 sizeof (cursor_request), mode))
600 return (EFAULT);
601
602 vgatext_cons_cursor(softc, &cursor_request);
603
604 if (cursor_request.action == VIS_GET_CURSOR &&
605 ddi_copyout(&cursor_request, (void *)data,
606 sizeof (cursor_request), mode))
607 return (EFAULT);
608 break;
609 }
610
611 case VIS_GETCMAP:
612 case VIS_PUTCMAP:
613 case FBIOPUTCMAP:
614 case FBIOGETCMAP:
615 /*
616 * At the moment, text mode is not considered to have
617 * a color map.
618 */
619 return (EINVAL);
620
621 case FBIOGATTR:
622 if (copyout(&vgatext_attr, (void *)data,
623 sizeof (struct fbgattr)))
624 return (EFAULT);
625 break;
626
627 case FBIOGTYPE:
628 if (copyout(&vgatext_attr.fbtype, (void *)data,
629 sizeof (struct fbtype)))
630 return (EFAULT);
631 break;
632
633 default:
634 return (ENXIO);
635 }
636 return (0);
637 }
638
639 /*ARGSUSED*/
640 int
641 gfxp_vgatext_ioctl(
642 dev_t dev,
643 int cmd,
644 intptr_t data,
645 int mode,
646 cred_t *cred,
647 int *rval,
648 gfxp_vgatext_softc_ptr_t ptr)
649 {
650 int err;
651
652 struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
653
654 mutex_enter(&(softc->lock));
655 err = do_gfx_ioctl(cmd, data, mode, softc);
656 mutex_exit(&(softc->lock));
657
658 return (err);
659 }
660
661 /*
662 * vgatext_save_text
663 * vgatext_restore_textmode
664 * vgatext_suspend
665 * vgatext_resume
666 *
667 * Routines to save and restore contents of the VGA text area
668 * Mostly, this is to support Suspend/Resume operation for graphics
669 * device drivers. Here in the VGAtext common code, we simply squirrel
670 * away the contents of the hardware's text area during Suspend and then
671 * put it back during Resume
672 */
673 static void
674 vgatext_save_text(struct vgatext_softc *softc)
675 {
676 unsigned i;
677
678 for (i = 0; i < sizeof (softc->shadow); i++)
679 softc->shadow[i] = softc->current_base[i];
680 }
681
682 static void
683 vgatext_restore_textmode(struct vgatext_softc *softc)
684 {
685 unsigned i;
686
687 vgatext_init(softc);
688 for (i = 0; i < sizeof (softc->shadow); i++) {
689 softc->text_base[i] = softc->shadow[i];
690 }
691 if (softc->cursor.visible) {
692 vgatext_set_cursor(softc,
693 softc->cursor.row, softc->cursor.col);
694 }
695 vgatext_restore_colormap(softc);
696 }
697
698 static int
699 vgatext_suspend(struct vgatext_softc *softc)
700 {
701 switch (softc->mode) {
702 case KD_TEXT:
703 vgatext_save_text(softc);
704 break;
705
706 case KD_GRAPHICS:
707 break;
708
709 default:
710 cmn_err(CE_WARN, MYNAME ": unknown mode in vgatext_suspend.");
711 return (DDI_FAILURE);
712 }
713 return (DDI_SUCCESS);
714 }
715
716 static void
717 vgatext_resume(struct vgatext_softc *softc)
718 {
719
720 switch (softc->mode) {
721 case KD_TEXT:
722 vgatext_restore_textmode(softc);
723 break;
724
725 case KD_GRAPHICS:
726
727 /*
728 * Upon RESUME, the graphics device will always actually
729 * be in TEXT mode even though the Xorg server did not
730 * make that mode change itself (the suspend code did).
731 * We want first, therefore, to restore textmode
732 * operation fully, and then the Xorg server will
733 * do the rest to restore the device to its
734 * (hi resolution) graphics mode
735 */
736 vgatext_restore_textmode(softc);
737 #if defined(USE_BORDERS)
738 vgatext_init_graphics(softc);
739 #endif
740 break;
741 default:
742 cmn_err(CE_WARN, MYNAME ": unknown mode in vgatext_resume.");
743 break;
744 }
745 }
746
747 static void
748 vgatext_progressbar_stop()
749 {
750 extern void progressbar_stop(void);
751
752 if (vgatext_silent == 1) {
753 vgatext_silent = 0;
754 progressbar_stop();
755 }
756 }
757
758 static void
759 vgatext_kdsettext(struct vgatext_softc *softc)
760 {
761 int i;
762
763 vgatext_init(softc);
764 for (i = 0; i < sizeof (softc->shadow); i++) {
765 softc->text_base[i] = softc->shadow[i];
766 }
767 softc->current_base = softc->text_base;
768 if (softc->cursor.visible) {
769 vgatext_set_cursor(softc,
770 softc->cursor.row, softc->cursor.col);
771 }
772 vgatext_restore_colormap(softc);
773 }
774
775 static void
776 vgatext_kdsetgraphics(struct vgatext_softc *softc)
777 {
778 vgatext_progressbar_stop();
779 vgatext_save_text(softc);
780 softc->current_base = softc->shadow;
781 #if defined(USE_BORDERS)
782 vgatext_init_graphics(softc);
783 #endif
784 }
785
786 static int
787 vgatext_kdsetmode(struct vgatext_softc *softc, int mode)
788 {
789 if ((mode == softc->mode) || (!GFXP_IS_CONSOLE(softc)))
790 return (0);
791
792 switch (mode) {
793 case KD_TEXT:
794 vgatext_kdsettext(softc);
795 break;
796
797 case KD_GRAPHICS:
798 vgatext_kdsetgraphics(softc);
799 break;
800
801 case KD_RESETTEXT:
802 /*
803 * In order to avoid racing with a starting X server,
804 * this needs to be a test and set that is performed in
805 * a single (softc->lock protected) ioctl into this driver.
806 */
807 if (softc->mode == KD_TEXT && vgatext_silent == 1) {
808 vgatext_progressbar_stop();
809 vgatext_kdsettext(softc);
810 }
811 break;
812
813 default:
814 return (EINVAL);
815 }
816
817 softc->mode = mode;
818 return (0);
819 }
820
821 /*ARGSUSED*/
822 int
823 gfxp_vgatext_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len,
824 size_t *maplen, uint_t model, void *ptr)
825 {
826 struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
827 int err;
828 size_t length;
829
830
831 if (softc == NULL) {
832 cmn_err(CE_WARN, "vgatext: Can't find softstate");
833 return (-1);
834 }
835
836 if (!(off >= VGA_MMAP_FB_BASE &&
837 off < VGA_MMAP_FB_BASE + softc->fb_size)) {
838 cmn_err(CE_WARN, "vgatext: Can't map offset 0x%llx", off);
839 return (-1);
840 }
841
842 if (off + len > VGA_MMAP_FB_BASE + softc->fb_size)
843 length = VGA_MMAP_FB_BASE + softc->fb_size - off;
844 else
845 length = len;
846
847 if ((err = devmap_devmem_setup(dhp, softc->devi,
848 NULL, softc->fb_regno, off - VGA_MMAP_FB_BASE,
849 length, PROT_ALL, 0, &dev_attr)) < 0) {
850 return (err);
851 }
852
853
854 *maplen = length;
855 return (0);
856 }
857
858
859 static int
860 vgatext_devinit(struct vgatext_softc *softc, struct vis_devinit *data)
861 {
862 /* initialize console instance */
863 data->version = VIS_CONS_REV;
864 data->width = TEXT_COLS;
865 data->height = TEXT_ROWS;
866 data->linebytes = TEXT_COLS;
867 data->depth = 4;
868 data->mode = VIS_TEXT;
869 data->polledio = &softc->polledio;
870
871 return (0);
872 }
873
874 /*
875 * display a string on the screen at (row, col)
876 * assume it has been cropped to fit.
877 */
878
879 static void
880 vgatext_cons_display(struct vgatext_softc *softc, struct vis_consdisplay *da)
881 {
882 unsigned char *string;
883 int i;
884 unsigned char attr;
885 struct cgatext {
886 unsigned char ch;
887 unsigned char attr;
888 };
889 struct cgatext *addr;
890
891 /*
892 * Sanity checks. This is a last-ditch effort to avoid damage
893 * from brokenness or maliciousness above.
894 */
895 if (da->row < 0 || da->row >= TEXT_ROWS ||
896 da->col < 0 || da->col >= TEXT_COLS ||
897 da->col + da->width > TEXT_COLS)
898 return;
899
900 /*
901 * To be fully general, we should copyin the data. This is not
902 * really relevant for this text-only driver, but a graphical driver
903 * should support these ioctls from userland to enable simple
904 * system startup graphics.
905 */
906 attr = (solaris_color_to_pc_color[da->bg_color & 0xf] << 4)
907 | solaris_color_to_pc_color[da->fg_color & 0xf];
908 string = da->data;
909 addr = (struct cgatext *)softc->current_base
910 + (da->row * TEXT_COLS + da->col);
911 for (i = 0; i < da->width; i++) {
912 addr->ch = string[i];
913 addr->attr = attr;
914 addr++;
915 }
916 }
917
918 static void
919 vgatext_polled_display(
920 struct vis_polledio_arg *arg,
921 struct vis_consdisplay *da)
922 {
923 vgatext_cons_display((struct vgatext_softc *)arg, da);
924 }
925
926 /*
927 * screen-to-screen copy
928 */
929
930 static void
931 vgatext_cons_copy(struct vgatext_softc *softc, struct vis_conscopy *ma)
932 {
933 unsigned short *from;
934 unsigned short *to;
935 int cnt;
936 screen_size_t chars_per_row;
937 unsigned short *to_row_start;
938 unsigned short *from_row_start;
939 screen_size_t rows_to_move;
940 unsigned short *base;
941
942 /*
943 * Sanity checks. Note that this is a last-ditch effort to avoid
944 * damage caused by broken-ness or maliciousness above.
945 */
946 if (ma->s_col < 0 || ma->s_col >= TEXT_COLS ||
947 ma->s_row < 0 || ma->s_row >= TEXT_ROWS ||
948 ma->e_col < 0 || ma->e_col >= TEXT_COLS ||
949 ma->e_row < 0 || ma->e_row >= TEXT_ROWS ||
950 ma->t_col < 0 || ma->t_col >= TEXT_COLS ||
951 ma->t_row < 0 || ma->t_row >= TEXT_ROWS ||
952 ma->s_col > ma->e_col ||
953 ma->s_row > ma->e_row)
954 return;
955
956 /*
957 * Remember we're going to copy shorts because each
958 * character/attribute pair is 16 bits.
959 */
960 chars_per_row = ma->e_col - ma->s_col + 1;
961 rows_to_move = ma->e_row - ma->s_row + 1;
962
963 /* More sanity checks. */
964 if (ma->t_row + rows_to_move > TEXT_ROWS ||
965 ma->t_col + chars_per_row > TEXT_COLS)
966 return;
967
968 base = (unsigned short *)softc->current_base;
969
970 to_row_start = base + ((ma->t_row * TEXT_COLS) + ma->t_col);
971 from_row_start = base + ((ma->s_row * TEXT_COLS) + ma->s_col);
972
973 if (to_row_start < from_row_start) {
974 while (rows_to_move-- > 0) {
975 to = to_row_start;
976 from = from_row_start;
977 to_row_start += TEXT_COLS;
978 from_row_start += TEXT_COLS;
979 for (cnt = chars_per_row; cnt-- > 0; )
980 *to++ = *from++;
981 }
982 } else {
983 /*
984 * Offset to the end of the region and copy backwards.
985 */
986 cnt = rows_to_move * TEXT_COLS + chars_per_row;
987 to_row_start += cnt;
988 from_row_start += cnt;
989
990 while (rows_to_move-- > 0) {
991 to_row_start -= TEXT_COLS;
992 from_row_start -= TEXT_COLS;
993 to = to_row_start;
994 from = from_row_start;
995 for (cnt = chars_per_row; cnt-- > 0; )
996 *--to = *--from;
997 }
998 }
999 }
1000
1001 static void
1002 vgatext_polled_copy(
1003 struct vis_polledio_arg *arg,
1004 struct vis_conscopy *ca)
1005 {
1006 vgatext_cons_copy((struct vgatext_softc *)arg, ca);
1007 }
1008
1009
1010 static void
1011 vgatext_cons_cursor(struct vgatext_softc *softc, struct vis_conscursor *ca)
1012 {
1013 if (vgatext_silent)
1014 return;
1015
1016 switch (ca->action) {
1017 case VIS_HIDE_CURSOR:
1018 softc->cursor.visible = B_FALSE;
1019 if (softc->current_base == softc->text_base)
1020 vgatext_hide_cursor(softc);
1021 break;
1022 case VIS_DISPLAY_CURSOR:
1023 /*
1024 * Sanity check. This is a last-ditch effort to avoid
1025 * damage from brokenness or maliciousness above.
1026 */
1027 if (ca->col < 0 || ca->col >= TEXT_COLS ||
1028 ca->row < 0 || ca->row >= TEXT_ROWS)
1029 return;
1030
1031 softc->cursor.visible = B_TRUE;
1032 softc->cursor.col = ca->col;
1033 softc->cursor.row = ca->row;
1034 if (softc->current_base == softc->text_base)
1035 vgatext_set_cursor(softc, ca->row, ca->col);
1036 break;
1037 case VIS_GET_CURSOR:
1038 if (softc->current_base == softc->text_base) {
1039 vgatext_get_cursor(softc, &ca->row, &ca->col);
1040 }
1041 break;
1042 }
1043 }
1044
1045 static void
1046 vgatext_polled_cursor(
1047 struct vis_polledio_arg *arg,
1048 struct vis_conscursor *ca)
1049 {
1050 vgatext_cons_cursor((struct vgatext_softc *)arg, ca);
1051 }
1052
1053
1054
1055 /*ARGSUSED*/
1056 static void
1057 vgatext_hide_cursor(struct vgatext_softc *softc)
1058 {
1059 /* Nothing at present */
1060 }
1061
1062 static void
1063 vgatext_set_cursor(struct vgatext_softc *softc, int row, int col)
1064 {
1065 short addr;
1066
1067 if (vgatext_silent)
1068 return;
1069
1070 addr = row * TEXT_COLS + col;
1071
1072 vga_set_crtc(&softc->regs, VGA_CRTC_CLAH, addr >> 8);
1073 vga_set_crtc(&softc->regs, VGA_CRTC_CLAL, addr & 0xff);
1074 }
1075
1076 static int vga_row, vga_col;
1077
1078 static void
1079 vgatext_get_cursor(struct vgatext_softc *softc,
1080 screen_pos_t *row, screen_pos_t *col)
1081 {
1082 short addr;
1083
1084 addr = (vga_get_crtc(&softc->regs, VGA_CRTC_CLAH) << 8) +
1085 vga_get_crtc(&softc->regs, VGA_CRTC_CLAL);
1086
1087 vga_row = *row = addr / TEXT_COLS;
1088 vga_col = *col = addr % TEXT_COLS;
1089 }
1090
1091 /*
1092 * This code is experimental. It's only enabled if console is
1093 * set to graphics, a preliminary implementation of happyface boot.
1094 */
1095 static void
1096 vgatext_set_text(struct vgatext_softc *softc)
1097 {
1098 int i;
1099
1100 if (happyface_boot == 0)
1101 return;
1102
1103 /* we are in graphics mode, set to text 80X25 mode */
1104
1105 /* set misc registers */
1106 vga_set_reg(&softc->regs, VGA_MISC_W, VGA_MISC_TEXT);
1107
1108 /* set sequencer registers */
1109 vga_set_seq(&softc->regs, VGA_SEQ_RST_SYN,
1110 (vga_get_seq(&softc->regs, VGA_SEQ_RST_SYN) &
1111 ~VGA_SEQ_RST_SYN_NO_SYNC_RESET));
1112 for (i = 1; i < NUM_SEQ_REG; i++) {
1113 vga_set_seq(&softc->regs, i, VGA_SEQ_TEXT[i]);
1114 }
1115 vga_set_seq(&softc->regs, VGA_SEQ_RST_SYN,
1116 (vga_get_seq(&softc->regs, VGA_SEQ_RST_SYN) |
1117 VGA_SEQ_RST_SYN_NO_ASYNC_RESET |
1118 VGA_SEQ_RST_SYN_NO_SYNC_RESET));
1119
1120 /* set crt controller registers */
1121 vga_set_crtc(&softc->regs, VGA_CRTC_VRE,
1122 (vga_get_crtc(&softc->regs, VGA_CRTC_VRE) &
1123 ~VGA_CRTC_VRE_LOCK));
1124 for (i = 0; i < NUM_CRTC_REG; i++) {
1125 vga_set_crtc(&softc->regs, i, VGA_CRTC_TEXT[i]);
1126 }
1127
1128 /* set graphics controller registers */
1129 for (i = 0; i < NUM_GRC_REG; i++) {
1130 vga_set_grc(&softc->regs, i, VGA_GRC_TEXT[i]);
1131 }
1132
1133 /* set attribute registers */
1134 for (i = 0; i < NUM_ATR_REG; i++) {
1135 vga_set_atr(&softc->regs, i, VGA_ATR_TEXT[i]);
1136 }
1137
1138 /* set palette */
1139 for (i = 0; i < VGA_TEXT_CMAP_ENTRIES; i++) {
1140 vga_put_cmap(&softc->regs, i, VGA_TEXT_PALETTES[i][0] << 2,
1141 VGA_TEXT_PALETTES[i][1] << 2,
1142 VGA_TEXT_PALETTES[i][2] << 2);
1143 }
1144 for (i = VGA_TEXT_CMAP_ENTRIES; i < VGA8_CMAP_ENTRIES; i++) {
1145 vga_put_cmap(&softc->regs, i, 0, 0, 0);
1146 }
1147
1148 vgatext_save_colormap(softc);
1149 }
1150
1151 static void
1152 vgatext_init(struct vgatext_softc *softc)
1153 {
1154 unsigned char atr_mode;
1155
1156 atr_mode = vga_get_atr(&softc->regs, VGA_ATR_MODE);
1157 if (atr_mode & VGA_ATR_MODE_GRAPH)
1158 vgatext_set_text(softc);
1159 atr_mode = vga_get_atr(&softc->regs, VGA_ATR_MODE);
1160 atr_mode &= ~VGA_ATR_MODE_BLINK;
1161 atr_mode &= ~VGA_ATR_MODE_9WIDE;
1162 vga_set_atr(&softc->regs, VGA_ATR_MODE, atr_mode);
1163 #if defined(USE_BORDERS)
1164 vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
1165 vga_get_atr(&softc->regs, VGA_BRIGHT_WHITE));
1166 #else
1167 vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
1168 vga_get_atr(&softc->regs, VGA_BLACK));
1169 #endif
1170 vgatext_setfont(softc); /* need selectable font? */
1171 }
1172
1173 #if defined(USE_BORDERS)
1174 static void
1175 vgatext_init_graphics(struct vgatext_softc *softc)
1176 {
1177 vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
1178 vga_get_atr(&softc->regs, VGA_BLACK));
1179 }
1180 #endif
1181
1182 static void
1183 vgatext_setfont(struct vgatext_softc *softc)
1184 {
1185 unsigned char *from;
1186 unsigned char *to;
1187 int i;
1188 int j;
1189 int bpc;
1190
1191 /*
1192 * The newboot code to use font plane 2 breaks NVIDIA
1193 * (and some ATI) behavior. Revert back to the S10
1194 * code.
1195 */
1196
1197 /*
1198 * I'm embarassed to say that I don't know what these magic
1199 * sequences do, other than at the high level of "set the
1200 * memory window to allow font setup". I stole them straight
1201 * from "kd"...
1202 */
1203 vga_set_seq(&softc->regs, 0x02, 0x04);
1204 vga_set_seq(&softc->regs, 0x04, 0x06);
1205 vga_set_grc(&softc->regs, 0x05, 0x00);
1206 vga_set_grc(&softc->regs, 0x06, 0x04);
1207
1208 /*
1209 * This assumes 8x16 characters, which yield the traditional 80x25
1210 * screen. It really should support other character heights.
1211 */
1212 bpc = 16;
1213 for (i = 0; i < 256; i++) {
1214 from = font_data_8x16.encoding[i];
1215 to = (unsigned char *)softc->fb.addr + i * 0x20;
1216 for (j = 0; j < bpc; j++)
1217 *to++ = *from++;
1218 }
1219
1220 vga_set_seq(&softc->regs, 0x02, 0x03);
1221 vga_set_seq(&softc->regs, 0x04, 0x02);
1222 vga_set_grc(&softc->regs, 0x04, 0x00);
1223 vga_set_grc(&softc->regs, 0x05, 0x10);
1224 vga_set_grc(&softc->regs, 0x06, 0x0e);
1225
1226 }
1227
1228 static void
1229 vgatext_save_colormap(struct vgatext_softc *softc)
1230 {
1231 int i;
1232
1233 for (i = 0; i < VGA_ATR_NUM_PLT; i++) {
1234 softc->attrib_palette[i] = vga_get_atr(&softc->regs, i);
1235 }
1236 for (i = 0; i < VGA8_CMAP_ENTRIES; i++) {
1237 vga_get_cmap(&softc->regs, i,
1238 &softc->colormap[i].red,
1239 &softc->colormap[i].green,
1240 &softc->colormap[i].blue);
1241 }
1242 }
1243
1244 static void
1245 vgatext_restore_colormap(struct vgatext_softc *softc)
1246 {
1247 int i;
1248
1249 for (i = 0; i < VGA_ATR_NUM_PLT; i++) {
1250 vga_set_atr(&softc->regs, i, softc->attrib_palette[i]);
1251 }
1252 for (i = 0; i < VGA8_CMAP_ENTRIES; i++) {
1253 vga_put_cmap(&softc->regs, i,
1254 softc->colormap[i].red,
1255 softc->colormap[i].green,
1256 softc->colormap[i].blue);
1257 }
1258 }
1259
1260 /*
1261 * search the entries of the "reg" property for one which has the desired
1262 * combination of phys_hi bits and contains the desired address.
1263 *
1264 * This version searches a PCI-style "reg" property. It was prompted by
1265 * issues surrounding the presence or absence of an entry for the ROM:
1266 * (a) a transition problem with PowerPC Virtual Open Firmware
1267 * (b) uncertainty as to whether an entry will be included on a device
1268 * with ROM support (and so an "active" ROM base address register),
1269 * but no ROM actually installed.
1270 *
1271 * See the note below on vgatext_get_isa_reg_index for the reasons for
1272 * returning the offset.
1273 *
1274 * Note that this routine may not be fully general; it is intended for the
1275 * specific purpose of finding a couple of particular VGA reg entries and
1276 * may not be suitable for all reg-searching purposes.
1277 */
1278 static int
1279 vgatext_get_pci_reg_index(
1280 dev_info_t *const devi,
1281 unsigned long himask,
1282 unsigned long hival,
1283 unsigned long addr,
1284 off_t *offset)
1285 {
1286
1287 int length, index;
1288 pci_regspec_t *reg;
1289
1290 if (ddi_getlongprop(DDI_DEV_T_ANY, devi, DDI_PROP_DONTPASS,
1291 "reg", (caddr_t)®, &length) != DDI_PROP_SUCCESS) {
1292 return (-1);
1293 }
1294
1295 for (index = 0; index < length / sizeof (pci_regspec_t); index++) {
1296 if ((reg[index].pci_phys_hi & himask) != hival)
1297 continue;
1298 if (reg[index].pci_size_hi != 0)
1299 continue;
1300 if (reg[index].pci_phys_mid != 0)
1301 continue;
1302 if (reg[index].pci_phys_low > addr)
1303 continue;
1304 if (reg[index].pci_phys_low + reg[index].pci_size_low <= addr)
1305 continue;
1306
1307 *offset = addr - reg[index].pci_phys_low;
1308 kmem_free(reg, (size_t)length);
1309 return (index);
1310 }
1311 kmem_free(reg, (size_t)length);
1312
1313 return (-1);
1314 }
1315
1316 /*
1317 * search the entries of the "reg" property for one which has the desired
1318 * combination of phys_hi bits and contains the desired address.
1319 *
1320 * This version searches a ISA-style "reg" property. It was prompted by
1321 * issues surrounding 8514/A support. By IEEE 1275 compatibility conventions,
1322 * 8514/A registers should have been added after all standard VGA registers.
1323 * Unfortunately, the Solaris/Intel device configuration framework
1324 * (a) lists the 8514/A registers before the video memory, and then
1325 * (b) also sorts the entries so that I/O entries come before memory
1326 * entries.
1327 *
1328 * It returns the "reg" index and offset into that register set.
1329 * The offset is needed because there exist (broken?) BIOSes that
1330 * report larger ranges enclosing the standard ranges. One reports
1331 * 0x3bf for 0x21 instead of 0x3c0 for 0x20, for instance. Using the
1332 * offset adjusts for this difference in the base of the register set.
1333 *
1334 * Note that this routine may not be fully general; it is intended for the
1335 * specific purpose of finding a couple of particular VGA reg entries and
1336 * may not be suitable for all reg-searching purposes.
1337 */
1338 static int
1339 vgatext_get_isa_reg_index(
1340 dev_info_t *const devi,
1341 unsigned long hival,
1342 unsigned long addr,
1343 off_t *offset)
1344 {
1345
1346 int length, index;
1347 struct regspec *reg;
1348
1349 if (ddi_getlongprop(DDI_DEV_T_ANY, devi, DDI_PROP_DONTPASS,
1350 "reg", (caddr_t)®, &length) != DDI_PROP_SUCCESS) {
1351 return (-1);
1352 }
1353
1354 for (index = 0; index < length / sizeof (struct regspec); index++) {
1355 if (reg[index].regspec_bustype != hival)
1356 continue;
1357 if (reg[index].regspec_addr > addr)
1358 continue;
1359 if (reg[index].regspec_addr + reg[index].regspec_size <= addr)
1360 continue;
1361
1362 *offset = addr - reg[index].regspec_addr;
1363 kmem_free(reg, (size_t)length);
1364 return (index);
1365 }
1366 kmem_free(reg, (size_t)length);
1367
1368 return (-1);
1369 }
1370
1371 /*
1372 * This vgatext function is used to return the fb, and reg pointers
1373 * and handles for peer graphics drivers.
1374 */
1375
1376 void
1377 vgatext_return_pointers(struct vgatext_softc *softc, struct vgaregmap *fbs,
1378 struct vgaregmap *regss)
1379 {
1380
1381 fbs->addr = softc->fb.addr;
1382 fbs->handle = softc->fb.handle;
1383 fbs->mapped = softc->fb.mapped;
1384 regss->addr = softc->regs.addr;
1385 regss->handle = softc->regs.handle;
1386 regss->mapped = softc->regs.mapped;
1387 }
1388
1389
1390 /*
1391 * ****************************************************************
1392 * If we had a "bitmap" console implementation, it could
1393 * use the functions below to cooperate with DRM.
1394 */
1395
1396
1397 /*
1398 * If we had "bitmap" console support, this would
1399 * register call-back functions: drm_gfxp_setmode,
1400 * (and maybe others for blt, copy, clear) for the
1401 * "bitmap" console to use.
1402 *
1403 * The current (text) console doesn't need it.
1404 */
1405 /* ARGSUSED */
1406 void
1407 gfxp_bm_register_fbops(gfxp_fb_softc_ptr_t softc,
1408 struct gfxp_blt_ops *ops)
1409 {
1410 }
1411
1412 /*
1413 * This is patchable with mdb, i.e.:
1414 * $ mdb -w /platform/i86pc/kernel/misc/amd64/gfx_private
1415 * > gfxp_fb_info?ddVV
1416 * 1024 768 32 24
1417 */
1418 struct gfxp_bm_fb_info gfxp_fb_info = {
1419 .xres = 1024,
1420 .yres = 768,
1421 .bpp = 32,
1422 .depth = 24,
1423 };
1424
1425 /*
1426 * If we had "bitmap" console support, this would
1427 * ask the size of it. (how is TBD)
1428 *
1429 * Just guess (for now)
1430 */
1431 void
1432 gfxp_bm_getfb_info(gfxp_fb_softc_ptr_t softc,
1433 struct gfxp_bm_fb_info *fbip)
1434 {
1435 _NOTE(ARGUNUSED(softc))
1436
1437 *fbip = gfxp_fb_info;
1438 }