FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/igsfb.c
1 /* $NetBSD: igsfb.c,v 1.44 2008/04/08 12:07:26 cegger Exp $ */
2
3 /*
4 * Copyright (c) 2002, 2003 Valeriy E. Ushakov
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. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 /*
31 * Integraphics Systems IGA 168x and CyberPro series.
32 */
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: igsfb.c,v 1.44 2008/04/08 12:07:26 cegger Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/device.h>
40 #include <sys/malloc.h>
41 #include <sys/ioctl.h>
42
43 #include <sys/bus.h>
44
45 #include <dev/wscons/wsdisplayvar.h>
46 #include <dev/wscons/wsconsio.h>
47 #include <dev/wsfont/wsfont.h>
48 #include <dev/rasops/rasops.h>
49
50 #include <dev/wscons/wsdisplay_vconsvar.h>
51
52 #include <dev/ic/igsfbreg.h>
53 #include <dev/ic/igsfbvar.h>
54
55
56 struct igsfb_devconfig igsfb_console_dc;
57
58 /*
59 * wsscreen
60 */
61
62 /* filled from rasops_info in igsfb_init_wsdisplay */
63 static struct wsscreen_descr igsfb_stdscreen = {
64 .name = "std",
65 };
66
67 static const struct wsscreen_descr *_igsfb_scrlist[] = {
68 &igsfb_stdscreen,
69 };
70
71 static const struct wsscreen_list igsfb_screenlist = {
72 .nscreens = sizeof(_igsfb_scrlist) / sizeof(_igsfb_scrlist[0]),
73 .screens = _igsfb_scrlist,
74 };
75
76
77 /*
78 * wsdisplay_accessops
79 */
80
81 static int igsfb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
82 static paddr_t igsfb_mmap(void *, void *, off_t, int);
83
84 static struct wsdisplay_accessops igsfb_accessops = {
85 .ioctl = igsfb_ioctl,
86 .mmap = igsfb_mmap,
87 };
88
89
90 /*
91 * acceleration
92 */
93 static int igsfb_make_text_cursor(struct igsfb_devconfig *,
94 struct vcons_screen *);
95 static void igsfb_accel_cursor(void *, int, int, int);
96
97 static int igsfb_accel_wait(struct igsfb_devconfig *);
98 static void igsfb_accel_fill(struct igsfb_devconfig *,
99 uint32_t, uint32_t, uint16_t, uint16_t);
100 static void igsfb_accel_copy(struct igsfb_devconfig *,
101 uint32_t, uint32_t, uint16_t, uint16_t);
102
103 static void igsfb_accel_copycols(void *, int, int, int, int);
104 static void igsfb_accel_erasecols(void *, int, int, int, long);
105 static void igsfb_accel_copyrows(void *, int, int, int);
106 static void igsfb_accel_eraserows(void *, int, int, long);
107 static void igsfb_accel_putchar(void *, int, int, u_int, long);
108
109
110 /*
111 * internal functions
112 */
113 static int igsfb_init_video(struct igsfb_devconfig *);
114 static void igsfb_init_cmap(struct igsfb_devconfig *);
115 static uint16_t igsfb_spread_bits_8(uint8_t);
116 static void igsfb_init_bit_table(struct igsfb_devconfig *);
117 static void igsfb_init_wsdisplay(void *, struct vcons_screen *, int,
118 long *);
119
120
121 static void igsfb_blank_screen(struct igsfb_devconfig *, int);
122 static int igsfb_get_cmap(struct igsfb_devconfig *,
123 struct wsdisplay_cmap *);
124 static int igsfb_set_cmap(struct igsfb_devconfig *,
125 const struct wsdisplay_cmap *);
126 static void igsfb_update_cmap(struct igsfb_devconfig *, u_int, u_int);
127 static void igsfb_set_curpos(struct igsfb_devconfig *,
128 const struct wsdisplay_curpos *);
129 static void igsfb_update_curpos(struct igsfb_devconfig *);
130 static int igsfb_get_cursor(struct igsfb_devconfig *,
131 struct wsdisplay_cursor *);
132 static int igsfb_set_cursor(struct igsfb_devconfig *,
133 const struct wsdisplay_cursor *);
134 static void igsfb_update_cursor(struct igsfb_devconfig *, u_int);
135 static void igsfb_convert_cursor_data(struct igsfb_devconfig *,
136 u_int, u_int);
137
138
139 int
140 igsfb_cnattach_subr(struct igsfb_devconfig *dc)
141 {
142 struct rasops_info *ri;
143 long defattr;
144
145 KASSERT(dc == &igsfb_console_dc);
146
147 igsfb_init_video(dc);
148 dc->dc_vd.active = NULL;
149 igsfb_init_wsdisplay(dc, &dc->dc_console, 1, &defattr);
150
151 ri = &dc->dc_console.scr_ri;
152 ri->ri_hw = &dc->dc_console;
153 dc->dc_console.scr_cookie = dc;
154
155 (*ri->ri_ops.allocattr)(ri,
156 WS_DEFAULT_FG, /* fg */
157 WS_DEFAULT_BG, /* bg */
158 0, /* wsattrs */
159 &defattr);
160
161 wsdisplay_cnattach(&igsfb_stdscreen,
162 ri, /* emulcookie */
163 0, 0, /* cursor position */
164 defattr);
165 return 0;
166 }
167
168
169 /*
170 * Finish off the attach. Bus specific attach method should have
171 * enabled io and memory accesses and mapped io (and cop?) registers.
172 */
173 void
174 igsfb_attach_subr(struct igsfb_softc *sc, int isconsole)
175 {
176 struct igsfb_devconfig *dc = sc->sc_dc;
177 struct wsemuldisplaydev_attach_args waa;
178 struct rasops_info *ri;
179 long defattr;
180
181 KASSERT(dc != NULL);
182
183 if (!isconsole) {
184 igsfb_init_video(dc);
185 }
186
187 vcons_init(&dc->dc_vd, dc, &igsfb_stdscreen, &igsfb_accessops);
188 dc->dc_vd.init_screen = igsfb_init_wsdisplay;
189
190 vcons_init_screen(&dc->dc_vd, &dc->dc_console, 1, &defattr);
191 dc->dc_console.scr_flags |= VCONS_SCREEN_IS_STATIC;
192
193 printf("%s: %dMB, %s%dx%d, %dbpp\n",
194 device_xname(&sc->sc_dev),
195 (uint32_t)(dc->dc_vmemsz >> 20),
196 (dc->dc_hwflags & IGSFB_HW_BSWAP)
197 ? (dc->dc_hwflags & IGSFB_HW_BE_SELECT)
198 ? "hardware bswap, " : "software bswap, "
199 : "",
200 dc->dc_width, dc->dc_height, dc->dc_depth);
201
202 ri = &dc->dc_console.scr_ri;
203 ri->ri_ops.eraserows(ri, 0, ri->ri_rows, defattr);
204
205 /* attach wsdisplay */
206 waa.console = isconsole;
207 waa.scrdata = &igsfb_screenlist;
208 waa.accessops = &igsfb_accessops;
209 waa.accesscookie = &dc->dc_vd;
210
211 config_found(&sc->sc_dev, &waa, wsemuldisplaydevprint);
212 }
213
214
215 static int
216 igsfb_init_video(struct igsfb_devconfig *dc)
217 {
218 bus_space_handle_t tmph;
219 uint8_t *p;
220 int need_bswap;
221 bus_addr_t fbaddr, craddr;
222 off_t croffset;
223 uint8_t busctl, curctl;
224 void *va;
225
226 /* Total amount of video memory. */
227 busctl = igs_ext_read(dc->dc_iot, dc->dc_ioh, IGS_EXT_BUS_CTL);
228 if (busctl & 0x2)
229 dc->dc_vmemsz = 4;
230 else if (busctl & 0x1)
231 dc->dc_vmemsz = 2;
232 else
233 dc->dc_vmemsz = 1;
234 dc->dc_vmemsz <<= 20; /* megabytes -> bytes */
235
236 /*
237 * Check for endianness mismatch by writing a word at the end of
238 * the video memory (off-screen) and reading it back byte-by-byte.
239 */
240 if (bus_space_map(dc->dc_memt,
241 dc->dc_memaddr + dc->dc_vmemsz - sizeof(uint32_t),
242 sizeof(uint32_t),
243 dc->dc_memflags | BUS_SPACE_MAP_LINEAR,
244 &tmph) != 0)
245 {
246 printf("unable to map video memory for endianness test\n");
247 return 1;
248 }
249
250 p = bus_space_vaddr(dc->dc_memt, tmph);
251 #if BYTE_ORDER == BIG_ENDIAN
252 *((uint32_t *)p) = 0x12345678;
253 #else
254 *((uint32_t *)p) = 0x78563412;
255 #endif
256 if (p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78)
257 need_bswap = 0;
258 else
259 need_bswap = 1;
260
261 bus_space_unmap(dc->dc_memt, tmph, sizeof(uint32_t));
262
263 /*
264 * On CyberPro we can use magic bswap bit in linear address.
265 */
266 fbaddr = dc->dc_memaddr;
267 if (need_bswap) {
268 dc->dc_hwflags |= IGSFB_HW_BSWAP;
269 if (dc->dc_id >= 0x2000) {
270 dc->dc_hwflags |= IGSFB_HW_BE_SELECT;
271 fbaddr |= IGS_MEM_BE_SELECT;
272 }
273 }
274
275 /*
276 * XXX: TODO: make it possible to select the desired video mode.
277 * For now - hardcode to 1024x768/8bpp. This is what Krups OFW uses.
278 */
279 igsfb_hw_setup(dc);
280
281 dc->dc_width = 1024;
282 dc->dc_height = 768;
283 dc->dc_depth = 8;
284 dc->dc_stride = dc->dc_width;
285
286 /*
287 * Don't map in all N megs, just the amount we need for the wsscreen.
288 */
289 dc->dc_fbsz = dc->dc_width * dc->dc_height; /* XXX: 8bpp specific */
290 if (bus_space_map(dc->dc_memt, fbaddr, dc->dc_fbsz,
291 dc->dc_memflags | BUS_SPACE_MAP_LINEAR,
292 &dc->dc_fbh) != 0)
293 {
294 bus_space_unmap(dc->dc_iot, dc->dc_ioh, IGS_REG_SIZE);
295 printf("unable to map framebuffer\n");
296 return 1;
297 }
298
299 igsfb_init_cmap(dc);
300
301 /*
302 * 1KB for cursor sprite data at the very end of the video memory.
303 */
304 croffset = dc->dc_vmemsz - IGS_CURSOR_DATA_SIZE;
305 craddr = fbaddr + croffset;
306 if (bus_space_map(dc->dc_memt, craddr, IGS_CURSOR_DATA_SIZE,
307 dc->dc_memflags | BUS_SPACE_MAP_LINEAR,
308 &dc->dc_crh) != 0)
309 {
310 bus_space_unmap(dc->dc_iot, dc->dc_ioh, IGS_REG_SIZE);
311 bus_space_unmap(dc->dc_memt, dc->dc_fbh, dc->dc_fbsz);
312 printf("unable to map cursor sprite region\n");
313 return 1;
314 }
315
316 /*
317 * Tell the device where cursor sprite data are located in the
318 * linear space (it takes data offset in 1KB units).
319 */
320 croffset >>= 10; /* bytes -> kilobytes */
321 igs_ext_write(dc->dc_iot, dc->dc_ioh,
322 IGS_EXT_SPRITE_DATA_LO, croffset & 0xff);
323 igs_ext_write(dc->dc_iot, dc->dc_ioh,
324 IGS_EXT_SPRITE_DATA_HI, (croffset >> 8) & 0xf);
325
326 /* init the bit expansion table for cursor sprite data conversion */
327 igsfb_init_bit_table(dc);
328
329 /* XXX: fill dc_cursor and use igsfb_update_cursor() instead? */
330 memset(&dc->dc_cursor, 0, sizeof(struct igs_hwcursor));
331 va = bus_space_vaddr(dc->dc_memt, dc->dc_crh);
332 memset(va, /* transparent */ 0xaa, IGS_CURSOR_DATA_SIZE);
333
334 curctl = igs_ext_read(dc->dc_iot, dc->dc_ioh, IGS_EXT_SPRITE_CTL);
335 curctl |= IGS_EXT_SPRITE_64x64;
336 curctl &= ~IGS_EXT_SPRITE_VISIBLE;
337 igs_ext_write(dc->dc_iot, dc->dc_ioh, IGS_EXT_SPRITE_CTL, curctl);
338 dc->dc_curenb = 0;
339
340 /*
341 * Map and init graphic coprocessor for accelerated rasops.
342 */
343 if (dc->dc_id >= 0x2000) { /* XXX */
344 if (bus_space_map(dc->dc_iot,
345 dc->dc_iobase + IGS_COP_BASE_B, IGS_COP_SIZE,
346 dc->dc_ioflags,
347 &dc->dc_coph) != 0)
348 {
349 printf("unable to map COP registers\n");
350 return 1;
351 }
352
353 /* XXX: hardcoded 8bpp */
354 bus_space_write_2(dc->dc_iot, dc->dc_coph,
355 IGS_COP_SRC_MAP_WIDTH_REG,
356 dc->dc_width - 1);
357 bus_space_write_2(dc->dc_iot, dc->dc_coph,
358 IGS_COP_DST_MAP_WIDTH_REG,
359 dc->dc_width - 1);
360
361 bus_space_write_1(dc->dc_iot, dc->dc_coph,
362 IGS_COP_MAP_FMT_REG,
363 IGS_COP_MAP_8BPP);
364 }
365
366 /* make sure screen is not blanked */
367 dc->dc_blanked = 0;
368 igsfb_blank_screen(dc, dc->dc_blanked);
369
370 return 0;
371 }
372
373
374 static void
375 igsfb_init_cmap(struct igsfb_devconfig *dc)
376 {
377 bus_space_tag_t iot = dc->dc_iot;
378 bus_space_handle_t ioh = dc->dc_ioh;
379 const uint8_t *p;
380 int i;
381
382 p = rasops_cmap; /* "ANSI" color map */
383
384 /* init software copy */
385 for (i = 0; i < IGS_CMAP_SIZE; ++i, p += 3) {
386 dc->dc_cmap.r[i] = p[0];
387 dc->dc_cmap.g[i] = p[1];
388 dc->dc_cmap.b[i] = p[2];
389 }
390
391 /* propagate to the device */
392 igsfb_update_cmap(dc, 0, IGS_CMAP_SIZE);
393
394 /* set overscan color (XXX: use defattr's background?) */
395 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_RED, 0);
396 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_GREEN, 0);
397 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_BLUE, 0);
398 }
399
400
401 static void
402 igsfb_init_wsdisplay(void *cookie, struct vcons_screen *scr, int existing,
403 long *defattr)
404 {
405 struct igsfb_devconfig *dc = cookie;
406 struct rasops_info *ri = &scr->scr_ri;
407 int wsfcookie;
408
409 if ((scr == &dc->dc_console) && (dc->dc_vd.active != NULL))
410 return;
411
412
413 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
414 if (IGSFB_HW_SOFT_BSWAP(dc))
415 ri->ri_flg |= RI_BSWAP;
416
417 ri->ri_depth = dc->dc_depth;
418 ri->ri_width = dc->dc_width;
419 ri->ri_height = dc->dc_height;
420 ri->ri_stride = dc->dc_stride;
421 ri->ri_bits = bus_space_vaddr(dc->dc_memt, dc->dc_fbh);
422
423 /*
424 * Initialize wsfont related stuff.
425 */
426 wsfont_init();
427
428 /* prefer gallant that is identical to the one the prom uses */
429 wsfcookie = wsfont_find("Gallant", 12, 22, 0,
430 WSDISPLAY_FONTORDER_L2R,
431 WSDISPLAY_FONTORDER_L2R);
432 if (wsfcookie <= 0) {
433 #ifdef DIAGNOSTIC
434 printf("unable to find font Gallant 12x22\n");
435 #endif
436 wsfcookie = wsfont_find(NULL, 0, 0, 0, /* any font at all? */
437 WSDISPLAY_FONTORDER_L2R,
438 WSDISPLAY_FONTORDER_L2R);
439 }
440
441 if (wsfcookie <= 0) {
442 printf("unable to find any fonts\n");
443 return;
444 }
445
446 if (wsfont_lock(wsfcookie, &ri->ri_font) != 0) {
447 printf("unable to lock font\n");
448 return;
449 }
450 ri->ri_wsfcookie = wsfcookie;
451
452
453 /* XXX: TODO: compute term size based on font dimensions? */
454 rasops_init(ri, 34, 80);
455 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
456 ri->ri_width / ri->ri_font->fontwidth);
457
458
459 /* use the sprite for the text mode cursor */
460 igsfb_make_text_cursor(dc, scr);
461
462 /* the cursor is "busy" while we are in the text mode */
463 dc->dc_hwflags |= IGSFB_HW_TEXT_CURSOR;
464
465 /* propagate sprite data to the device */
466 igsfb_update_cursor(dc, WSDISPLAY_CURSOR_DOSHAPE);
467
468 /* accelerated text cursor */
469 ri->ri_ops.cursor = igsfb_accel_cursor;
470
471 if (dc->dc_id >= 0x2000) { /* XXX */
472 /* accelerated erase/copy */
473 ri->ri_ops.copycols = igsfb_accel_copycols;
474 ri->ri_ops.erasecols = igsfb_accel_erasecols;
475 ri->ri_ops.copyrows = igsfb_accel_copyrows;
476 ri->ri_ops.eraserows = igsfb_accel_eraserows;
477
478 /* putchar hook to sync with the cop */
479 dc->dc_ri_putchar = ri->ri_ops.putchar;
480 ri->ri_ops.putchar = igsfb_accel_putchar;
481 }
482
483 igsfb_stdscreen.nrows = ri->ri_rows;
484 igsfb_stdscreen.ncols = ri->ri_cols;
485 igsfb_stdscreen.textops = &ri->ri_ops;
486 igsfb_stdscreen.capabilities = ri->ri_caps;
487 }
488
489
490 /*
491 * Init cursor data in dc_cursor for the accelerated text cursor.
492 */
493 static int
494 igsfb_make_text_cursor(struct igsfb_devconfig *dc, struct vcons_screen *scr)
495 {
496 struct rasops_info *ri = &scr->scr_ri;
497 struct wsdisplay_font *f = ri->ri_font;
498 uint16_t cc_scan[8]; /* one sprite scanline */
499 uint16_t s;
500 int w, i;
501
502 KASSERT(f->fontwidth <= IGS_CURSOR_MAX_SIZE);
503 KASSERT(f->fontheight <= IGS_CURSOR_MAX_SIZE);
504
505 w = f->fontwidth;
506 for (i = 0; i < f->stride; ++i) {
507 if (w >= 8) {
508 s = 0xffff; /* all inverted */
509 w -= 8;
510 } else {
511 /* first w pixels inverted, the rest is transparent */
512 s = ~(0x5555 << (w * 2));
513 s = htole16(s);
514 w = 0;
515 }
516 cc_scan[i] = s;
517 }
518
519 dc->dc_cursor.cc_size.x = f->fontwidth;
520 dc->dc_cursor.cc_size.y = f->fontheight;
521
522 dc->dc_cursor.cc_hot.x = 0;
523 dc->dc_cursor.cc_hot.y = 0;
524
525 /* init sprite array to be all transparent */
526 memset(dc->dc_cursor.cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE);
527
528 for (i = 0; i < f->fontheight; ++i)
529 memcpy(&dc->dc_cursor.cc_sprite[i * 8],
530 cc_scan, f->stride * sizeof(uint16_t));
531
532 return 0;
533 }
534
535
536 /*
537 * Spread a byte (abcd.efgh) into two (0a0b.0c0d 0e0f.0g0h).
538 * Helper function for igsfb_init_bit_table().
539 */
540 static uint16_t
541 igsfb_spread_bits_8(uint8_t b)
542 {
543 uint16_t s = b;
544
545 s = ((s & 0x00f0) << 4) | (s & 0x000f);
546 s = ((s & 0x0c0c) << 2) | (s & 0x0303);
547 s = ((s & 0x2222) << 1) | (s & 0x1111);
548 return s;
549 }
550
551
552 /*
553 * Cursor sprite data are in 2bpp. Incoming image/mask are in 1bpp.
554 * Prebuild the table to expand 1bpp->2bpp, with bswapping if necessary.
555 */
556 static void
557 igsfb_init_bit_table(struct igsfb_devconfig *dc)
558 {
559 uint16_t *expand = dc->dc_bexpand;
560 uint16_t s;
561 u_int i;
562
563 for (i = 0; i < 256; ++i) {
564 s = igsfb_spread_bits_8(i);
565 expand[i] = htole16(s);
566 }
567 }
568
569
570 /*
571 * wsdisplay_accessops: mmap()
572 * XXX: allow mmapping i/o mapped i/o regs if INSECURE???
573 */
574 static paddr_t
575 igsfb_mmap(void *v, void *vs, off_t offset, int prot)
576 {
577 struct vcons_data *vd = v;
578 struct igsfb_devconfig *dc = vd->cookie;
579
580 if (offset >= dc->dc_memsz || offset < 0)
581 return -1;
582
583 return bus_space_mmap(dc->dc_memt, dc->dc_memaddr, offset, prot,
584 dc->dc_memflags | BUS_SPACE_MAP_LINEAR);
585 }
586
587
588 /*
589 * wsdisplay_accessops: ioctl()
590 */
591 static int
592 igsfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
593 struct lwp *l)
594 {
595 struct vcons_data *vd = v;
596 struct igsfb_devconfig *dc = vd->cookie;
597 int cursor_busy;
598 int turnoff;
599
600 /* don't permit cursor ioctls if we use sprite for text cursor */
601 cursor_busy = !dc->dc_mapped
602 && (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR);
603
604 switch (cmd) {
605
606 case WSDISPLAYIO_GTYPE:
607 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
608 return 0;
609
610 case WSDISPLAYIO_GINFO:
611 #define wsd_fbip ((struct wsdisplay_fbinfo *)data)
612 wsd_fbip->height = dc->dc_height;
613 wsd_fbip->width = dc->dc_width;
614 wsd_fbip->depth = dc->dc_depth;
615 wsd_fbip->cmsize = IGS_CMAP_SIZE;
616 #undef wsd_fbip
617 return 0;
618
619 case WSDISPLAYIO_LINEBYTES:
620 *(int *)data = dc->dc_stride;
621 return 0;
622
623 case WSDISPLAYIO_SMODE:
624 #define d (*(int *)data)
625 if (d != WSDISPLAYIO_MODE_EMUL) {
626 dc->dc_mapped = 1;
627 /* turn off hardware cursor */
628 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) {
629 dc->dc_curenb = 0;
630 igsfb_update_cursor(dc,
631 WSDISPLAY_CURSOR_DOCUR);
632 }
633 } else {
634 dc->dc_mapped = 0;
635 /* reinit sprite for text cursor */
636 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) {
637 igsfb_make_text_cursor(dc, dc->dc_vd.active);
638 dc->dc_curenb = 0;
639 igsfb_update_cursor(dc,
640 WSDISPLAY_CURSOR_DOSHAPE
641 | WSDISPLAY_CURSOR_DOCUR);
642 }
643 vcons_redraw_screen(vd->active);
644 }
645 return 0;
646
647 case WSDISPLAYIO_GVIDEO:
648 *(u_int *)data = dc->dc_blanked ?
649 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
650 return 0;
651
652 case WSDISPLAYIO_SVIDEO:
653 turnoff = (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF);
654 if (dc->dc_blanked != turnoff) {
655 dc->dc_blanked = turnoff;
656 igsfb_blank_screen(dc, dc->dc_blanked);
657 }
658 return 0;
659
660 case WSDISPLAYIO_GETCMAP:
661 return igsfb_get_cmap(dc, (struct wsdisplay_cmap *)data);
662
663 case WSDISPLAYIO_PUTCMAP:
664 return igsfb_set_cmap(dc, (struct wsdisplay_cmap *)data);
665
666 case WSDISPLAYIO_GCURMAX:
667 ((struct wsdisplay_curpos *)data)->x = IGS_CURSOR_MAX_SIZE;
668 ((struct wsdisplay_curpos *)data)->y = IGS_CURSOR_MAX_SIZE;
669 return 0;
670
671 case WSDISPLAYIO_GCURPOS:
672 if (cursor_busy)
673 return EBUSY;
674 *(struct wsdisplay_curpos *)data = dc->dc_cursor.cc_pos;
675 return 0;
676
677 case WSDISPLAYIO_SCURPOS:
678 if (cursor_busy)
679 return EBUSY;
680 igsfb_set_curpos(dc, (struct wsdisplay_curpos *)data);
681 return 0;
682
683 case WSDISPLAYIO_GCURSOR:
684 if (cursor_busy)
685 return EBUSY;
686 return igsfb_get_cursor(dc, (struct wsdisplay_cursor *)data);
687
688 case WSDISPLAYIO_SCURSOR:
689 if (cursor_busy)
690 return EBUSY;
691 return igsfb_set_cursor(dc, (struct wsdisplay_cursor *)data);
692 }
693
694 return EPASSTHROUGH;
695 }
696
697
698 /*
699 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SVIDEO)
700 */
701 static void
702 igsfb_blank_screen(struct igsfb_devconfig *dc, int blank)
703 {
704
705 igs_ext_write(dc->dc_iot, dc->dc_ioh,
706 IGS_EXT_SYNC_CTL,
707 blank ? IGS_EXT_SYNC_H0 | IGS_EXT_SYNC_V0
708 : 0);
709 }
710
711
712 /*
713 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GETCMAP)
714 * Served from the software cmap copy.
715 */
716 static int
717 igsfb_get_cmap(struct igsfb_devconfig *dc, struct wsdisplay_cmap *p)
718 {
719 u_int index, count;
720 int err;
721
722 index = p->index;
723 count = p->count;
724
725 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index)
726 return EINVAL;
727
728 err = copyout(&dc->dc_cmap.r[index], p->red, count);
729 if (err)
730 return err;
731 err = copyout(&dc->dc_cmap.g[index], p->green, count);
732 if (err)
733 return err;
734 err = copyout(&dc->dc_cmap.b[index], p->blue, count);
735 if (err)
736 return err;
737
738 return 0;
739 }
740
741
742 /*
743 * wsdisplay_accessops: ioctl(WSDISPLAYIO_PUTCMAP)
744 * Set the software cmap copy and propagate changed range to the device.
745 */
746 static int
747 igsfb_set_cmap(struct igsfb_devconfig *dc, const struct wsdisplay_cmap *p)
748 {
749 u_int index, count;
750 uint8_t r[IGS_CMAP_SIZE];
751 uint8_t g[IGS_CMAP_SIZE];
752 uint8_t b[IGS_CMAP_SIZE];
753 int error;
754
755 index = p->index;
756 count = p->count;
757 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index)
758 return EINVAL;
759 error = copyin(p->red, &r[index], count);
760 if (error)
761 return error;
762 error = copyin(p->green, &g[index], count);
763 if (error)
764 return error;
765 error = copyin(p->blue, &b[index], count);
766 if (error)
767 return error;
768
769 memcpy(&dc->dc_cmap.r[index], &r[index], count);
770 memcpy(&dc->dc_cmap.g[index], &g[index], count);
771 memcpy(&dc->dc_cmap.b[index], &b[index], count);
772
773 /* propagate changes to the device */
774 igsfb_update_cmap(dc, index, count);
775 return 0;
776 }
777
778
779 /*
780 * Propagate specified part of the software cmap copy to the device.
781 */
782 static void
783 igsfb_update_cmap(struct igsfb_devconfig *dc, u_int index, u_int count)
784 {
785 bus_space_tag_t t;
786 bus_space_handle_t h;
787 u_int last, i;
788
789 if (index >= IGS_CMAP_SIZE)
790 return;
791
792 last = index + count;
793 if (last > IGS_CMAP_SIZE)
794 last = IGS_CMAP_SIZE;
795
796 t = dc->dc_iot;
797 h = dc->dc_ioh;
798
799 /* start palette writing, index is autoincremented by hardware */
800 bus_space_write_1(t, h, IGS_DAC_PEL_WRITE_IDX, index);
801
802 for (i = index; i < last; ++i) {
803 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.r[i]);
804 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.g[i]);
805 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.b[i]);
806 }
807 }
808
809
810 /*
811 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURPOS)
812 */
813 static void
814 igsfb_set_curpos(struct igsfb_devconfig *dc,
815 const struct wsdisplay_curpos *curpos)
816 {
817 struct rasops_info *ri = &dc->dc_vd.active->scr_ri;
818 u_int x = curpos->x, y = curpos->y;
819
820 if (x >= ri->ri_width)
821 x = ri->ri_width - 1;
822 if (y >= ri->ri_height)
823 y = ri->ri_height - 1;
824
825 dc->dc_cursor.cc_pos.x = x;
826 dc->dc_cursor.cc_pos.y = y;
827
828 /* propagate changes to the device */
829 igsfb_update_curpos(dc);
830 }
831
832
833 static void
834 igsfb_update_curpos(struct igsfb_devconfig *dc)
835 {
836 bus_space_tag_t t;
837 bus_space_handle_t h;
838 int x, xoff, y, yoff;
839
840 xoff = 0;
841 x = dc->dc_cursor.cc_pos.x - dc->dc_cursor.cc_hot.x;
842 if (x < 0) {
843 xoff = -x;
844 x = 0;
845 }
846
847 yoff = 0;
848 y = dc->dc_cursor.cc_pos.y - dc->dc_cursor.cc_hot.y;
849 if (y < 0) {
850 yoff = -y;
851 y = 0;
852 }
853
854 t = dc->dc_iot;
855 h = dc->dc_ioh;
856
857 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_LO, x & 0xff);
858 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_HI, (x >> 8) & 0x07);
859 igs_ext_write(t, h, IGS_EXT_SPRITE_HPRESET, xoff & 0x3f);
860
861 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_LO, y & 0xff);
862 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_HI, (y >> 8) & 0x07);
863 igs_ext_write(t, h, IGS_EXT_SPRITE_VPRESET, yoff & 0x3f);
864 }
865
866
867 /*
868 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GCURSOR)
869 */
870 static int
871 igsfb_get_cursor(struct igsfb_devconfig *dc, struct wsdisplay_cursor *p)
872 {
873
874 /* XXX: TODO */
875 return 0;
876 }
877
878
879 /*
880 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURSOR)
881 */
882 static int
883 igsfb_set_cursor(struct igsfb_devconfig *dc, const struct wsdisplay_cursor *p)
884 {
885 struct igs_hwcursor *cc;
886 struct wsdisplay_curpos pos, hot;
887 u_int v, index, count, icount, iwidth;
888 uint8_t r[2], g[2], b[2], image[512], mask[512];
889 int error;
890
891 cc = &dc->dc_cursor;
892 v = p->which;
893 index = count = icount = iwidth = 0; /* XXX: gcc */
894 pos.x = pos.y = 0; /* XXX: gcc */
895
896 /* copy in the new cursor colormap */
897 if (v & WSDISPLAY_CURSOR_DOCMAP) {
898 index = p->cmap.index;
899 count = p->cmap.count;
900 if (index >= 2 || (index + count) > 2)
901 return EINVAL;
902 error = copyin(p->cmap.red, &r[index], count);
903 if (error)
904 return error;
905 error = copyin(p->cmap.green, &g[index], count);
906 if (error)
907 return error;
908 error = copyin(p->cmap.blue, &b[index], count);
909 if (error)
910 return error;
911 }
912
913 /* verify that the new cursor data are valid */
914 if (v & WSDISPLAY_CURSOR_DOSHAPE) {
915 if (p->size.x > IGS_CURSOR_MAX_SIZE
916 || p->size.y > IGS_CURSOR_MAX_SIZE)
917 return EINVAL;
918
919 iwidth = (p->size.x + 7) >> 3; /* bytes per scan line */
920 icount = iwidth * p->size.y;
921 error = copyin(p->image, image, icount);
922 if (error)
923 return error;
924 error = copyin(p->mask, mask, icount);
925 if (error)
926 return error;
927 }
928
929 /* enforce that the position is within screen bounds */
930 if (v & WSDISPLAY_CURSOR_DOPOS) {
931 struct rasops_info *ri = &dc->dc_vd.active->scr_ri;
932
933 pos = p->pos; /* local copy we can write to */
934 if (pos.x >= ri->ri_width)
935 pos.x = ri->ri_width - 1;
936 if (pos.y >= ri->ri_height)
937 pos.y = ri->ri_height - 1;
938 }
939
940 /* enforce that the hot spot is within sprite bounds */
941 if (v & WSDISPLAY_CURSOR_DOHOT)
942 hot = p->hot; /* local copy we can write to */
943
944 if (v & (WSDISPLAY_CURSOR_DOHOT | WSDISPLAY_CURSOR_DOSHAPE)) {
945 const struct wsdisplay_curpos *nsize;
946 struct wsdisplay_curpos *nhot;
947
948 nsize = (v & WSDISPLAY_CURSOR_DOSHAPE) ?
949 &p->size : &cc->cc_size;
950 nhot = (v & WSDISPLAY_CURSOR_DOHOT) ? &hot : &cc->cc_hot;
951
952 if (nhot->x >= nsize->x)
953 nhot->x = nsize->x - 1;
954 if (nhot->y >= nsize->y)
955 nhot->y = nsize->y - 1;
956 }
957
958 /* copy data to the driver's cursor info */
959 if (v & WSDISPLAY_CURSOR_DOCUR)
960 dc->dc_curenb = p->enable;
961 if (v & WSDISPLAY_CURSOR_DOPOS)
962 cc->cc_pos = pos; /* local copy, possibly corrected */
963 if (v & WSDISPLAY_CURSOR_DOHOT)
964 cc->cc_hot = hot; /* local copy, possibly corrected */
965 if (v & WSDISPLAY_CURSOR_DOCMAP) {
966 memcpy(&cc->cc_color[index], &r[index], count);
967 memcpy(&cc->cc_color[index + 2], &g[index], count);
968 memcpy(&cc->cc_color[index + 4], &b[index], count);
969 }
970 if (v & WSDISPLAY_CURSOR_DOSHAPE) {
971 u_int trailing_bits;
972
973 memcpy(cc->cc_image, image, icount);
974 memcpy(cc->cc_mask, mask, icount);
975 cc->cc_size = p->size;
976
977 /* clear trailing bits in the "partial" mask bytes */
978 trailing_bits = p->size.x & 0x07;
979 if (trailing_bits != 0) {
980 const u_int cutmask = ~((~0) << trailing_bits);
981 u_char *mp;
982 u_int i;
983
984 mp = cc->cc_mask + iwidth - 1;
985 for (i = 0; i < p->size.y; ++i) {
986 *mp &= cutmask;
987 mp += iwidth;
988 }
989 }
990 igsfb_convert_cursor_data(dc, iwidth, p->size.y);
991 }
992
993 /* propagate changes to the device */
994 igsfb_update_cursor(dc, v);
995
996 return 0;
997 }
998
999
1000 /*
1001 * Convert incoming 1bpp cursor image/mask into native 2bpp format.
1002 */
1003 static void
1004 igsfb_convert_cursor_data(struct igsfb_devconfig *dc,
1005 u_int width, u_int height)
1006 {
1007 struct igs_hwcursor *cc = &dc->dc_cursor;
1008 uint16_t *expand = dc->dc_bexpand;
1009 uint8_t *ip, *mp;
1010 uint16_t is, ms, *dp;
1011 u_int line, i;
1012
1013 /* init sprite to be all transparent */
1014 memset(cc->cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE);
1015
1016 /* first scanline */
1017 ip = cc->cc_image;
1018 mp = cc->cc_mask;
1019 dp = cc->cc_sprite;
1020
1021 for (line = 0; line < height; ++line) {
1022 for (i = 0; i < width; ++i) {
1023 is = expand[ip[i]]; /* image: 0 -> 00, 1 -> 01 */
1024 ms = expand[mp[i]]; /* mask: 0 -> 00, 1 -> 11 */
1025 ms |= (ms << 1);
1026 dp[i] = (0xaaaa & ~ms) | (is & ms);
1027 }
1028
1029 /* next scanline */
1030 ip += width;
1031 mp += width;
1032 dp += 8; /* 64 pixels, 2bpp, 8 pixels per short = 8 shorts */
1033 }
1034 }
1035
1036
1037 /*
1038 * Propagate cursor changes to the device.
1039 * "which" is composed of WSDISPLAY_CURSOR_DO* bits.
1040 */
1041 static void
1042 igsfb_update_cursor(struct igsfb_devconfig *dc, u_int which)
1043 {
1044 bus_space_tag_t iot = dc->dc_iot;
1045 bus_space_handle_t ioh = dc->dc_ioh;
1046 uint8_t curctl;
1047
1048 curctl = 0; /* XXX: gcc */
1049
1050 /*
1051 * We will need to tweak sprite control register for cursor
1052 * visibility and cursor color map manipulation.
1053 */
1054 if (which & (WSDISPLAY_CURSOR_DOCUR | WSDISPLAY_CURSOR_DOCMAP)) {
1055 curctl = igs_ext_read(iot, ioh, IGS_EXT_SPRITE_CTL);
1056 }
1057
1058 if (which & WSDISPLAY_CURSOR_DOSHAPE) {
1059 uint8_t *dst = bus_space_vaddr(dc->dc_memt, dc->dc_crh);
1060
1061 /*
1062 * memcpy between spaces of different endianness would
1063 * be ... special. We cannot be sure if memcpy gonna
1064 * push data in 4-byte chunks, we can't pre-bswap it,
1065 * so do it byte-by-byte to preserve byte ordering.
1066 */
1067 if (IGSFB_HW_SOFT_BSWAP(dc)) {
1068 uint8_t *src = (uint8_t *)dc->dc_cursor.cc_sprite;
1069 int i;
1070
1071 for (i = 0; i < IGS_CURSOR_DATA_SIZE; ++i)
1072 *dst++ = *src++;
1073 } else {
1074 memcpy(dst, dc->dc_cursor.cc_sprite,
1075 IGS_CURSOR_DATA_SIZE);
1076 }
1077 }
1078
1079 if (which & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) {
1080 /* code shared with WSDISPLAYIO_SCURPOS */
1081 igsfb_update_curpos(dc);
1082 }
1083
1084 if (which & WSDISPLAY_CURSOR_DOCMAP) {
1085 uint8_t *p;
1086
1087 /* tell DAC we want access to the cursor palette */
1088 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL,
1089 curctl | IGS_EXT_SPRITE_DAC_PEL);
1090
1091 p = dc->dc_cursor.cc_color;
1092
1093 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 0);
1094 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[0]);
1095 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[2]);
1096 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[4]);
1097
1098 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 1);
1099 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[1]);
1100 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[3]);
1101 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[5]);
1102
1103 /* restore access to the normal palette */
1104 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, curctl);
1105 }
1106
1107 if (which & WSDISPLAY_CURSOR_DOCUR) {
1108 if ((curctl & IGS_EXT_SPRITE_VISIBLE) == 0
1109 && dc->dc_curenb)
1110 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL,
1111 curctl | IGS_EXT_SPRITE_VISIBLE);
1112 else if ((curctl & IGS_EXT_SPRITE_VISIBLE) != 0
1113 && !dc->dc_curenb)
1114 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL,
1115 curctl & ~IGS_EXT_SPRITE_VISIBLE);
1116 }
1117 }
1118
1119
1120 /*
1121 * Accelerated text mode cursor that uses hardware sprite.
1122 */
1123 static void
1124 igsfb_accel_cursor(void *cookie, int on, int row, int col)
1125 {
1126 struct rasops_info *ri = (struct rasops_info *)cookie;
1127 struct vcons_screen *scr = ri->ri_hw;
1128 struct igsfb_devconfig *dc = scr->scr_cookie;
1129 struct igs_hwcursor *cc = &dc->dc_cursor;
1130 u_int which;
1131
1132 ri->ri_crow = row;
1133 ri->ri_ccol = col;
1134
1135 which = 0;
1136 if (on) {
1137 ri->ri_flg |= RI_CURSOR;
1138
1139 /* only bother to move the cursor if it's visible */
1140 cc->cc_pos.x = ri->ri_xorigin
1141 + ri->ri_ccol * ri->ri_font->fontwidth;
1142 cc->cc_pos.y = ri->ri_yorigin
1143 + ri->ri_crow * ri->ri_font->fontheight;
1144 which |= WSDISPLAY_CURSOR_DOPOS;
1145 } else
1146 ri->ri_flg &= ~RI_CURSOR;
1147
1148 if (dc->dc_curenb != on) {
1149 dc->dc_curenb = on;
1150 which |= WSDISPLAY_CURSOR_DOCUR;
1151 }
1152
1153 /* propagate changes to the device */
1154 igsfb_update_cursor(dc, which);
1155 }
1156
1157
1158
1159 /*
1160 * Accelerated raster ops that use graphic coprocessor.
1161 */
1162
1163 static int
1164 igsfb_accel_wait(struct igsfb_devconfig *dc)
1165 {
1166 bus_space_tag_t t = dc->dc_iot;
1167 bus_space_handle_t h = dc->dc_coph;
1168 int timo = 100000;
1169 uint8_t reg;
1170
1171 while (timo--) {
1172 reg = bus_space_read_1(t, h, IGS_COP_CTL_REG);
1173 if ((reg & IGS_COP_CTL_BUSY) == 0)
1174 return 0;
1175 }
1176
1177 return 1;
1178 }
1179
1180
1181 static void
1182 igsfb_accel_copy(struct igsfb_devconfig *dc, uint32_t src, uint32_t dst,
1183 uint16_t width, uint16_t height)
1184 {
1185 bus_space_tag_t t = dc->dc_iot;
1186 bus_space_handle_t h = dc->dc_coph;
1187 uint32_t toend;
1188 uint8_t drawcmd;
1189
1190 drawcmd = IGS_COP_DRAW_ALL;
1191 if (dst > src) {
1192 toend = dc->dc_vd.active->scr_ri.ri_width * (height - 1) + (width - 1);
1193 src += toend;
1194 dst += toend;
1195 drawcmd |= IGS_COP_OCTANT_X_NEG | IGS_COP_OCTANT_Y_NEG;
1196 }
1197
1198 igsfb_accel_wait(dc);
1199 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0);
1200
1201 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S);
1202
1203 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1);
1204 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1);
1205
1206 bus_space_write_4(t, h, IGS_COP_SRC_START_REG, src);
1207 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst);
1208
1209 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, drawcmd);
1210 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG);
1211 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0);
1212 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG,
1213 IGS_COP_OP_PXBLT | IGS_COP_OP_FG_FROM_SRC);
1214 }
1215
1216
1217 static void
1218 igsfb_accel_fill(struct igsfb_devconfig *dc, uint32_t color, uint32_t dst,
1219 uint16_t width, uint16_t height)
1220 {
1221 bus_space_tag_t t = dc->dc_iot;
1222 bus_space_handle_t h = dc->dc_coph;
1223
1224 igsfb_accel_wait(dc);
1225 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0);
1226
1227 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S);
1228
1229 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1);
1230 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1);
1231
1232 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst);
1233 bus_space_write_4(t, h, IGS_COP_FG_REG, color);
1234
1235 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, IGS_COP_DRAW_ALL);
1236 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG);
1237 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0);
1238 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, IGS_COP_OP_PXBLT);
1239 }
1240
1241
1242 static void
1243 igsfb_accel_copyrows(void *cookie, int src, int dst, int num)
1244 {
1245 struct rasops_info *ri = (struct rasops_info *)cookie;
1246 struct vcons_screen *scr = ri->ri_hw;
1247 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie;
1248 uint32_t srp, dsp;
1249 uint16_t width, height;
1250
1251 width = ri->ri_emuwidth;
1252 height = num * ri->ri_font->fontheight;
1253
1254 srp = ri->ri_xorigin
1255 + ri->ri_width * (ri->ri_yorigin
1256 + src * ri->ri_font->fontheight);
1257 dsp = ri->ri_xorigin
1258 + ri->ri_width * (ri->ri_yorigin
1259 + dst * ri->ri_font->fontheight);
1260
1261 igsfb_accel_copy(dc, srp, dsp, width, height);
1262 }
1263
1264
1265 static void
1266 igsfb_accel_copycols(void *cookie, int row, int src, int dst, int num)
1267 {
1268 struct rasops_info *ri = (struct rasops_info *)cookie;
1269 struct vcons_screen *scr = ri->ri_hw;
1270 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie;
1271 uint32_t rowp, srp, dsp;
1272 uint16_t width, height;
1273
1274 width = num * ri->ri_font->fontwidth;
1275 height = ri->ri_font->fontheight;
1276
1277 rowp = ri->ri_xorigin
1278 + ri->ri_width * (ri->ri_yorigin
1279 + row * ri->ri_font->fontheight);
1280
1281 srp = rowp + src * ri->ri_font->fontwidth;
1282 dsp = rowp + dst * ri->ri_font->fontwidth;
1283
1284 igsfb_accel_copy(dc, srp, dsp, width, height);
1285 }
1286
1287
1288 static void
1289 igsfb_accel_eraserows(void *cookie, int row, int num, long attr)
1290 {
1291 struct rasops_info *ri = (struct rasops_info *)cookie;
1292 struct vcons_screen *scr = ri->ri_hw;
1293 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie;
1294 uint32_t color;
1295 uint32_t dsp;
1296 uint16_t width, height;
1297
1298 if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) {
1299 width = ri->ri_width;
1300 height = ri->ri_height;
1301 dsp = 0;
1302 } else {
1303 width = ri->ri_emuwidth;
1304 height = num * ri->ri_font->fontheight;
1305
1306 dsp = ri->ri_xorigin
1307 + ri->ri_width * (ri->ri_yorigin
1308 + row * ri->ri_font->fontheight);
1309 }
1310
1311 /* XXX: we "know" the encoding that rasops' allocattr uses */
1312 color = (attr >> 16) & 0xff;
1313
1314 igsfb_accel_fill(dc, color, dsp, width, height);
1315 }
1316
1317
1318 static void
1319 igsfb_accel_erasecols(void *cookie, int row, int col, int num, long attr)
1320 {
1321 struct rasops_info *ri = (struct rasops_info *)cookie;
1322 struct vcons_screen *scr = ri->ri_hw;
1323 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie;
1324 uint32_t color;
1325 uint32_t rowp, dsp;
1326 uint16_t width, height;
1327
1328 width = num * ri->ri_font->fontwidth;
1329 height = ri->ri_font->fontheight;
1330
1331 rowp = ri->ri_xorigin
1332 + ri->ri_width * (ri->ri_yorigin
1333 + row * ri->ri_font->fontheight);
1334
1335 dsp = rowp + col * ri->ri_font->fontwidth;
1336
1337 /* XXX: we "know" the encoding that rasops' allocattr uses */
1338 color = (attr >> 16) & 0xff;
1339
1340 igsfb_accel_fill(dc, color, dsp, width, height);
1341 }
1342
1343
1344 /*
1345 * Not really implemented here, but we need to hook into the one
1346 * supplied by rasops so that we can synchronize with the COP.
1347 */
1348 static void
1349 igsfb_accel_putchar(void *cookie, int row, int col, u_int uc, long attr)
1350 {
1351 struct rasops_info *ri = (struct rasops_info *)cookie;
1352 struct vcons_screen *scr = ri->ri_hw;
1353 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie;
1354
1355 igsfb_accel_wait(dc);
1356 (*dc->dc_ri_putchar)(cookie, row, col, uc, attr);
1357 }
Cache object: c16b74310abc023db91c4a147d2c0f6b
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