xref: /freebsd/sys/dev/syscons/scvgarndr.c (revision 4ed925457ab06e83238a5db33e89ccc94b99a713)
1 /*-
2  * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to The DragonFly Project
6  * by Sascha Wildner <saw@online.de>
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 as
13  *    the first lines of this file unmodified.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include "opt_syscons.h"
35 #include "opt_vga.h"
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/module.h>
41 #include <sys/fbio.h>
42 #include <sys/consio.h>
43 
44 #include <machine/bus.h>
45 
46 #include <dev/fb/fbreg.h>
47 #include <dev/fb/vgareg.h>
48 #include <dev/syscons/syscons.h>
49 
50 #include <isa/isareg.h>
51 
52 #ifndef SC_RENDER_DEBUG
53 #define SC_RENDER_DEBUG		0
54 #endif
55 
56 static vr_clear_t		vga_txtclear;
57 static vr_draw_border_t		vga_txtborder;
58 static vr_draw_t		vga_txtdraw;
59 static vr_set_cursor_t		vga_txtcursor_shape;
60 static vr_draw_cursor_t		vga_txtcursor;
61 static vr_blink_cursor_t	vga_txtblink;
62 #ifndef SC_NO_CUTPASTE
63 static vr_draw_mouse_t		vga_txtmouse;
64 #else
65 #define vga_txtmouse		(vr_draw_mouse_t *)vga_nop
66 #endif
67 
68 #ifdef SC_PIXEL_MODE
69 static vr_init_t		vga_rndrinit;
70 static vr_clear_t		vga_pxlclear_direct;
71 static vr_clear_t		vga_pxlclear_planar;
72 static vr_draw_border_t		vga_pxlborder_direct;
73 static vr_draw_border_t		vga_pxlborder_planar;
74 static vr_draw_t		vga_egadraw;
75 static vr_draw_t		vga_vgadraw_direct;
76 static vr_draw_t		vga_vgadraw_planar;
77 static vr_set_cursor_t		vga_pxlcursor_shape;
78 static vr_draw_cursor_t		vga_pxlcursor_direct;
79 static vr_draw_cursor_t		vga_pxlcursor_planar;
80 static vr_blink_cursor_t	vga_pxlblink_direct;
81 static vr_blink_cursor_t	vga_pxlblink_planar;
82 #ifndef SC_NO_CUTPASTE
83 static vr_draw_mouse_t		vga_pxlmouse_direct;
84 static vr_draw_mouse_t		vga_pxlmouse_planar;
85 #else
86 #define vga_pxlmouse_direct	(vr_draw_mouse_t *)vga_nop
87 #define vga_pxlmouse_planar	(vr_draw_mouse_t *)vga_nop
88 #endif
89 #endif /* SC_PIXEL_MODE */
90 
91 #ifndef SC_NO_MODE_CHANGE
92 static vr_draw_border_t		vga_grborder;
93 #endif
94 
95 static void			vga_nop(scr_stat *scp);
96 
97 static sc_rndr_sw_t txtrndrsw = {
98 	(vr_init_t *)vga_nop,
99 	vga_txtclear,
100 	vga_txtborder,
101 	vga_txtdraw,
102 	vga_txtcursor_shape,
103 	vga_txtcursor,
104 	vga_txtblink,
105 	(vr_set_mouse_t *)vga_nop,
106 	vga_txtmouse,
107 };
108 RENDERER(mda, 0, txtrndrsw, vga_set);
109 RENDERER(cga, 0, txtrndrsw, vga_set);
110 RENDERER(ega, 0, txtrndrsw, vga_set);
111 RENDERER(vga, 0, txtrndrsw, vga_set);
112 
113 #ifdef SC_PIXEL_MODE
114 static sc_rndr_sw_t egarndrsw = {
115 	(vr_init_t *)vga_nop,
116 	vga_pxlclear_planar,
117 	vga_pxlborder_planar,
118 	vga_egadraw,
119 	vga_pxlcursor_shape,
120 	vga_pxlcursor_planar,
121 	vga_pxlblink_planar,
122 	(vr_set_mouse_t *)vga_nop,
123 	vga_pxlmouse_planar,
124 };
125 RENDERER(ega, PIXEL_MODE, egarndrsw, vga_set);
126 
127 static sc_rndr_sw_t vgarndrsw = {
128 	vga_rndrinit,
129 	(vr_clear_t *)vga_nop,
130 	(vr_draw_border_t *)vga_nop,
131 	(vr_draw_t *)vga_nop,
132 	vga_pxlcursor_shape,
133 	(vr_draw_cursor_t *)vga_nop,
134 	(vr_blink_cursor_t *)vga_nop,
135 	(vr_set_mouse_t *)vga_nop,
136 	(vr_draw_mouse_t *)vga_nop,
137 };
138 RENDERER(vga, PIXEL_MODE, vgarndrsw, vga_set);
139 #endif /* SC_PIXEL_MODE */
140 
141 #ifndef SC_NO_MODE_CHANGE
142 static sc_rndr_sw_t grrndrsw = {
143 	(vr_init_t *)vga_nop,
144 	(vr_clear_t *)vga_nop,
145 	vga_grborder,
146 	(vr_draw_t *)vga_nop,
147 	(vr_set_cursor_t *)vga_nop,
148 	(vr_draw_cursor_t *)vga_nop,
149 	(vr_blink_cursor_t *)vga_nop,
150 	(vr_set_mouse_t *)vga_nop,
151 	(vr_draw_mouse_t *)vga_nop,
152 };
153 RENDERER(cga, GRAPHICS_MODE, grrndrsw, vga_set);
154 RENDERER(ega, GRAPHICS_MODE, grrndrsw, vga_set);
155 RENDERER(vga, GRAPHICS_MODE, grrndrsw, vga_set);
156 #endif /* SC_NO_MODE_CHANGE */
157 
158 RENDERER_MODULE(vga, vga_set);
159 
160 #ifndef SC_NO_CUTPASTE
161 #if !defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE)
162 static u_short mouse_and_mask[16] = {
163 	0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80,
164 	0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000
165 };
166 static u_short mouse_or_mask[16] = {
167 	0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800,
168 	0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000
169 };
170 #endif
171 #endif
172 
173 #ifdef SC_PIXEL_MODE
174 #define	VIDEO_MEMORY_POS(scp, pos, x) 					\
175 	scp->sc->adp->va_window +					\
176 	x * scp->xoff +							\
177 	scp->yoff * scp->font_size * scp->sc->adp->va_line_width +	\
178 	x * (pos % scp->xsize) +					\
179 	scp->font_size * scp->sc->adp->va_line_width * (pos / scp->xsize)
180 
181 #define	vga_drawpxl(pos, color)						\
182 	switch (scp->sc->adp->va_info.vi_depth) {			\
183 		case 32:						\
184 		case 24:						\
185 			writel(pos, vga_palette32[color]);		\
186 			break;						\
187 		case 16:						\
188 			if (scp->sc->adp->va_info.vi_pixel_fsizes[1] == 5)\
189 				writew(pos, vga_palette15[color]);	\
190 			else						\
191 				writew(pos, vga_palette16[color]);	\
192 			break;						\
193 		case 15:						\
194 			writew(pos, vga_palette15[color]);		\
195 			break;						\
196 		case 8:							\
197 			writeb(pos, (uint8_t)color);			\
198 		}
199 
200 static uint32_t vga_palette32[16] = {
201 	0x000000, 0x0000ad, 0x00ad00, 0x00adad,
202 	0xad0000, 0xad00ad, 0xad5200, 0xadadad,
203 	0x525252, 0x5252ff, 0x52ff52, 0x52ffff,
204 	0xff5252, 0xff52ff, 0xffff52, 0xffffff
205 };
206 
207 static uint16_t vga_palette16[16] = {
208 	0x0000, 0x0016, 0x0560, 0x0576, 0xb000, 0xb016, 0xb2a0, 0xb576,
209 	0x52aa, 0x52bf, 0x57ea, 0x57ff, 0xfaaa, 0xfabf, 0xffea, 0xffff
210 };
211 
212 static uint16_t vga_palette15[16] = {
213 	0x0000, 0x0016, 0x02c0, 0x02d6, 0x5800, 0x5816, 0x5940, 0x5ad6,
214 	0x294a, 0x295f, 0x2bea, 0x2bff, 0x7d4a, 0x7d5f, 0x7fea, 0x7fff
215 };
216 
217 #ifndef SC_NO_CUTPASTE
218 static uint32_t mouse_buf32[256];
219 static uint16_t mouse_buf16[256];
220 static uint8_t  mouse_buf8[256];
221 #endif
222 #endif
223 
224 static void
225 vga_nop(scr_stat *scp)
226 {
227 }
228 
229 /* text mode renderer */
230 
231 static void
232 vga_txtclear(scr_stat *scp, int c, int attr)
233 {
234 	sc_vtb_clear(&scp->scr, c, attr);
235 }
236 
237 static void
238 vga_txtborder(scr_stat *scp, int color)
239 {
240 	vidd_set_border(scp->sc->adp, color);
241 }
242 
243 static void
244 vga_txtdraw(scr_stat *scp, int from, int count, int flip)
245 {
246 	vm_offset_t p;
247 	int c;
248 	int a;
249 
250 	if (from + count > scp->xsize*scp->ysize)
251 		count = scp->xsize*scp->ysize - from;
252 
253 	if (flip) {
254 		for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) {
255 			c = sc_vtb_getc(&scp->vtb, from);
256 			a = sc_vtb_geta(&scp->vtb, from);
257 			a = (a & 0x8800) | ((a & 0x7000) >> 4)
258 				| ((a & 0x0700) << 4);
259 			p = sc_vtb_putchar(&scp->scr, p, c, a);
260 		}
261 	} else {
262 		sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count);
263 	}
264 }
265 
266 static void
267 vga_txtcursor_shape(scr_stat *scp, int base, int height, int blink)
268 {
269 	if (base < 0 || base >= scp->font_size)
270 		return;
271 	/* the caller may set height <= 0 in order to disable the cursor */
272 #if 0
273 	scp->curs_attr.base = base;
274 	scp->curs_attr.height = height;
275 #endif
276 	vidd_set_hw_cursor_shape(scp->sc->adp, base, height,
277 	    scp->font_size, blink);
278 }
279 
280 static void
281 draw_txtcharcursor(scr_stat *scp, int at, u_short c, u_short a, int flip)
282 {
283 	sc_softc_t *sc;
284 
285 	sc = scp->sc;
286 	scp->cursor_saveunder_char = c;
287 	scp->cursor_saveunder_attr = a;
288 
289 #ifndef SC_NO_FONT_LOADING
290 	if (scp->curs_attr.flags & CONS_CHAR_CURSOR) {
291 		unsigned char *font;
292 		int h;
293 		int i;
294 
295 		if (scp->font_size < 14) {
296 			font = sc->font_8;
297 			h = 8;
298 		} else if (scp->font_size >= 16) {
299 			font = sc->font_16;
300 			h = 16;
301 		} else {
302 			font = sc->font_14;
303 			h = 14;
304 		}
305 		if (scp->curs_attr.base >= h)
306 			return;
307 		if (flip)
308 			a = (a & 0x8800)
309 				| ((a & 0x7000) >> 4) | ((a & 0x0700) << 4);
310 		bcopy(font + c*h, font + sc->cursor_char*h, h);
311 		font = font + sc->cursor_char*h;
312 		for (i = imax(h - scp->curs_attr.base - scp->curs_attr.height, 0);
313 			i < h - scp->curs_attr.base; ++i) {
314 			font[i] ^= 0xff;
315 		}
316 		/* XXX */
317 		vidd_load_font(sc->adp, 0, h, 8, font, sc->cursor_char, 1);
318 		sc_vtb_putc(&scp->scr, at, sc->cursor_char, a);
319 	} else
320 #endif /* SC_NO_FONT_LOADING */
321 	{
322 		if ((a & 0x7000) == 0x7000) {
323 			a &= 0x8f00;
324 			if ((a & 0x0700) == 0)
325 				a |= 0x0700;
326 		} else {
327 			a |= 0x7000;
328 			if ((a & 0x0700) == 0x0700)
329 				a &= 0xf000;
330 		}
331 		if (flip)
332 			a = (a & 0x8800)
333 				| ((a & 0x7000) >> 4) | ((a & 0x0700) << 4);
334 		sc_vtb_putc(&scp->scr, at, c, a);
335 	}
336 }
337 
338 static void
339 vga_txtcursor(scr_stat *scp, int at, int blink, int on, int flip)
340 {
341 	video_adapter_t *adp;
342 	int cursor_attr;
343 
344 	if (scp->curs_attr.height <= 0)	/* the text cursor is disabled */
345 		return;
346 
347 	adp = scp->sc->adp;
348 	if (blink) {
349 		scp->status |= VR_CURSOR_BLINK;
350 		if (on) {
351 			scp->status |= VR_CURSOR_ON;
352 			vidd_set_hw_cursor(adp, at%scp->xsize,
353 			    at/scp->xsize);
354 		} else {
355 			if (scp->status & VR_CURSOR_ON)
356 				vidd_set_hw_cursor(adp, -1, -1);
357 			scp->status &= ~VR_CURSOR_ON;
358 		}
359 	} else {
360 		scp->status &= ~VR_CURSOR_BLINK;
361 		if (on) {
362 			scp->status |= VR_CURSOR_ON;
363 			draw_txtcharcursor(scp, at,
364 					   sc_vtb_getc(&scp->scr, at),
365 					   sc_vtb_geta(&scp->scr, at),
366 					   flip);
367 		} else {
368 			cursor_attr = scp->cursor_saveunder_attr;
369 			if (flip)
370 				cursor_attr = (cursor_attr & 0x8800)
371 					| ((cursor_attr & 0x7000) >> 4)
372 					| ((cursor_attr & 0x0700) << 4);
373 			if (scp->status & VR_CURSOR_ON)
374 				sc_vtb_putc(&scp->scr, at,
375 					    scp->cursor_saveunder_char,
376 					    cursor_attr);
377 			scp->status &= ~VR_CURSOR_ON;
378 		}
379 	}
380 }
381 
382 static void
383 vga_txtblink(scr_stat *scp, int at, int flip)
384 {
385 }
386 
387 #ifndef SC_NO_CUTPASTE
388 
389 static void
390 draw_txtmouse(scr_stat *scp, int x, int y)
391 {
392 #ifndef SC_ALT_MOUSE_IMAGE
393     if (ISMOUSEAVAIL(scp->sc->adp->va_flags)) {
394 	u_char font_buf[128];
395 	u_short cursor[32];
396 	u_char c;
397 	int pos;
398 	int xoffset, yoffset;
399 	int crtc_addr;
400 	int i;
401 
402 	/* prepare mousepointer char's bitmaps */
403 	pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
404 	bcopy(scp->font + sc_vtb_getc(&scp->scr, pos)*scp->font_size,
405 	      &font_buf[0], scp->font_size);
406 	bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + 1)*scp->font_size,
407 	      &font_buf[32], scp->font_size);
408 	bcopy(scp->font
409 		 + sc_vtb_getc(&scp->scr, pos + scp->xsize)*scp->font_size,
410 	      &font_buf[64], scp->font_size);
411 	bcopy(scp->font
412 		 + sc_vtb_getc(&scp->scr, pos + scp->xsize + 1)*scp->font_size,
413 	      &font_buf[96], scp->font_size);
414 	for (i = 0; i < scp->font_size; ++i) {
415 		cursor[i] = font_buf[i]<<8 | font_buf[i+32];
416 		cursor[i + scp->font_size] = font_buf[i+64]<<8 | font_buf[i+96];
417 	}
418 
419 	/* now and-or in the mousepointer image */
420 	xoffset = x%8;
421 	yoffset = y%scp->font_size;
422 	for (i = 0; i < 16; ++i) {
423 		cursor[i + yoffset] =
424 	    		(cursor[i + yoffset] & ~(mouse_and_mask[i] >> xoffset))
425 	    		| (mouse_or_mask[i] >> xoffset);
426 	}
427 	for (i = 0; i < scp->font_size; ++i) {
428 		font_buf[i] = (cursor[i] & 0xff00) >> 8;
429 		font_buf[i + 32] = cursor[i] & 0xff;
430 		font_buf[i + 64] = (cursor[i + scp->font_size] & 0xff00) >> 8;
431 		font_buf[i + 96] = cursor[i + scp->font_size] & 0xff;
432 	}
433 
434 #if 1
435 	/* wait for vertical retrace to avoid jitter on some videocards */
436 	crtc_addr = scp->sc->adp->va_crtc_addr;
437 	while (!(inb(crtc_addr + 6) & 0x08)) /* idle */ ;
438 #endif
439 	c = scp->sc->mouse_char;
440 	vidd_load_font(scp->sc->adp, 0, 32, 8, font_buf, c, 4);
441 
442 	sc_vtb_putc(&scp->scr, pos, c, sc_vtb_geta(&scp->scr, pos));
443 	/* FIXME: may be out of range! */
444 	sc_vtb_putc(&scp->scr, pos + scp->xsize, c + 2,
445 		    sc_vtb_geta(&scp->scr, pos + scp->xsize));
446 	if (x < (scp->xsize - 1)*8) {
447 		sc_vtb_putc(&scp->scr, pos + 1, c + 1,
448 			    sc_vtb_geta(&scp->scr, pos + 1));
449 		sc_vtb_putc(&scp->scr, pos + scp->xsize + 1, c + 3,
450 			    sc_vtb_geta(&scp->scr, pos + scp->xsize + 1));
451 	}
452     } else
453 #endif /* SC_ALT_MOUSE_IMAGE */
454     {
455 	/* Red, magenta and brown are mapped to green to to keep it readable */
456 	static const int col_conv[16] = {
457 		6, 6, 6, 6, 2, 2, 2, 6, 14, 14, 14, 14, 10, 10, 10, 14
458 	};
459 	int pos;
460 	int color;
461 	int a;
462 
463 	pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
464 	a = sc_vtb_geta(&scp->scr, pos);
465 	if (scp->sc->adp->va_flags & V_ADP_COLOR)
466 		color = (col_conv[(a & 0xf000) >> 12] << 12)
467 			| ((a & 0x0f00) | 0x0800);
468 	else
469 		color = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4);
470 	sc_vtb_putc(&scp->scr, pos, sc_vtb_getc(&scp->scr, pos), color);
471     }
472 }
473 
474 static void
475 remove_txtmouse(scr_stat *scp, int x, int y)
476 {
477 }
478 
479 static void
480 vga_txtmouse(scr_stat *scp, int x, int y, int on)
481 {
482 	if (on)
483 		draw_txtmouse(scp, x, y);
484 	else
485 		remove_txtmouse(scp, x, y);
486 }
487 
488 #endif /* SC_NO_CUTPASTE */
489 
490 #ifdef SC_PIXEL_MODE
491 
492 /* pixel (raster text) mode renderer */
493 
494 static void
495 vga_rndrinit(scr_stat *scp)
496 {
497 	if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PLANAR) {
498 		scp->rndr->clear = vga_pxlclear_planar;
499 		scp->rndr->draw_border = vga_pxlborder_planar;
500 		scp->rndr->draw = vga_vgadraw_planar;
501 		scp->rndr->draw_cursor = vga_pxlcursor_planar;
502 		scp->rndr->blink_cursor = vga_pxlblink_planar;
503 		scp->rndr->draw_mouse = vga_pxlmouse_planar;
504 	} else
505 	if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT ||
506 	    scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PACKED) {
507 		scp->rndr->clear = vga_pxlclear_direct;
508 		scp->rndr->draw_border = vga_pxlborder_direct;
509 		scp->rndr->draw = vga_vgadraw_direct;
510 		scp->rndr->draw_cursor = vga_pxlcursor_direct;
511 		scp->rndr->blink_cursor = vga_pxlblink_direct;
512 		scp->rndr->draw_mouse = vga_pxlmouse_direct;
513 	}
514 }
515 
516 static void
517 vga_pxlclear_direct(scr_stat *scp, int c, int attr)
518 {
519 	vm_offset_t p;
520 	int line_width;
521 	int pixel_size;
522 	int lines;
523 	int i;
524 
525 	line_width = scp->sc->adp->va_line_width;
526 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
527 	lines = scp->ysize * scp->font_size;
528 	p = scp->sc->adp->va_window +
529 	    line_width * scp->yoff * scp->font_size +
530 	    scp->xoff * 8 * pixel_size;
531 
532 	for (i = 0; i < lines; ++i) {
533 		bzero_io((void *)p, scp->xsize * 8 * pixel_size);
534 		p += line_width;
535 	}
536 }
537 
538 static void
539 vga_pxlclear_planar(scr_stat *scp, int c, int attr)
540 {
541 	vm_offset_t p;
542 	int line_width;
543 	int lines;
544 	int i;
545 
546 	/* XXX: we are just filling the screen with the background color... */
547 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
548 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
549 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
550 	outw(GDCIDX, 0xff08);		/* bit mask */
551 	outw(GDCIDX, ((attr & 0xf000) >> 4) | 0x00); /* set/reset */
552 	line_width = scp->sc->adp->va_line_width;
553 	lines = scp->ysize*scp->font_size;
554 	p = scp->sc->adp->va_window + line_width*scp->yoff*scp->font_size
555 		+ scp->xoff;
556 	for (i = 0; i < lines; ++i) {
557 		bzero_io((void *)p, scp->xsize);
558 		p += line_width;
559 	}
560 	outw(GDCIDX, 0x0000);		/* set/reset */
561 	outw(GDCIDX, 0x0001);		/* set/reset enable */
562 }
563 
564 static void
565 vga_pxlborder_direct(scr_stat *scp, int color)
566 {
567 	vm_offset_t s;
568 	vm_offset_t e;
569 	vm_offset_t f;
570 	int line_width;
571 	int pixel_size;
572 	int x;
573 	int y;
574 	int i;
575 
576 	line_width = scp->sc->adp->va_line_width;
577 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
578 
579 	if (scp->yoff > 0) {
580 		s = scp->sc->adp->va_window;
581 		e = s + line_width * scp->yoff * scp->font_size;
582 
583 		for (f = s; f < e; f += pixel_size)
584 			vga_drawpxl(f, color);
585 	}
586 
587 	y = (scp->yoff + scp->ysize) * scp->font_size;
588 
589 	if (scp->ypixel > y) {
590 		s = scp->sc->adp->va_window + line_width * y;
591 		e = s + line_width * (scp->ypixel - y);
592 
593 		for (f = s; f < e; f += pixel_size)
594 			vga_drawpxl(f, color);
595 	}
596 
597 	y = scp->yoff * scp->font_size;
598 	x = scp->xpixel / 8 - scp->xoff - scp->xsize;
599 
600 	for (i = 0; i < scp->ysize * scp->font_size; ++i) {
601 		if (scp->xoff > 0) {
602 			s = scp->sc->adp->va_window + line_width * (y + i);
603 			e = s + scp->xoff * 8 * pixel_size;
604 
605 			for (f = s; f < e; f += pixel_size)
606 				vga_drawpxl(f, color);
607 		}
608 
609 		if (x > 0) {
610 			s = scp->sc->adp->va_window + line_width * (y + i) +
611 			    scp->xoff * 8 * pixel_size +
612 			    scp->xsize * 8 * pixel_size;
613 			e = s + x * 8 * pixel_size;
614 
615 			for (f = s; f < e; f += pixel_size)
616 				vga_drawpxl(f, color);
617 		}
618 	}
619 }
620 
621 static void
622 vga_pxlborder_planar(scr_stat *scp, int color)
623 {
624 	vm_offset_t p;
625 	int line_width;
626 	int x;
627 	int y;
628 	int i;
629 
630 	vidd_set_border(scp->sc->adp, color);
631 
632 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
633 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
634 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
635 	outw(GDCIDX, 0xff08);		/* bit mask */
636 	outw(GDCIDX, (color << 8) | 0x00);	/* set/reset */
637 	line_width = scp->sc->adp->va_line_width;
638 	p = scp->sc->adp->va_window;
639 	if (scp->yoff > 0)
640 		bzero_io((void *)p, line_width*scp->yoff*scp->font_size);
641 	y = (scp->yoff + scp->ysize)*scp->font_size;
642 	if (scp->ypixel > y)
643 		bzero_io((void *)(p + line_width*y), line_width*(scp->ypixel - y));
644 	y = scp->yoff*scp->font_size;
645 	x = scp->xpixel/8 - scp->xoff - scp->xsize;
646 	for (i = 0; i < scp->ysize*scp->font_size; ++i) {
647 		if (scp->xoff > 0)
648 			bzero_io((void *)(p + line_width*(y + i)), scp->xoff);
649 		if (x > 0)
650 			bzero_io((void *)(p + line_width*(y + i)
651 				     + scp->xoff + scp->xsize), x);
652 	}
653 	outw(GDCIDX, 0x0000);		/* set/reset */
654 	outw(GDCIDX, 0x0001);		/* set/reset enable */
655 }
656 
657 static void
658 vga_egadraw(scr_stat *scp, int from, int count, int flip)
659 {
660 	vm_offset_t d;
661 	vm_offset_t e;
662 	u_char *f;
663 	u_short bg;
664 	u_short col1, col2;
665 	int line_width;
666 	int i, j;
667 	int a;
668 	u_char c;
669 
670 	line_width = scp->sc->adp->va_line_width;
671 
672 	d = VIDEO_MEMORY_POS(scp, from, 1);
673 
674 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
675 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
676 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
677 	bg = -1;
678 	if (from + count > scp->xsize*scp->ysize)
679 		count = scp->xsize*scp->ysize - from;
680 	for (i = from; count-- > 0; ++i) {
681 		a = sc_vtb_geta(&scp->vtb, i);
682 		if (flip) {
683 			col1 = ((a & 0x7000) >> 4) | (a & 0x0800);
684 			col2 = ((a & 0x8000) >> 4) | (a & 0x0700);
685 		} else {
686 			col1 = (a & 0x0f00);
687 			col2 = (a & 0xf000) >> 4;
688 		}
689 		/* set background color in EGA/VGA latch */
690 		if (bg != col2) {
691 			bg = col2;
692 			outw(GDCIDX, bg | 0x00);	/* set/reset */
693 			outw(GDCIDX, 0xff08);		/* bit mask */
694 			writeb(d, 0);
695 			c = readb(d);	/* set bg color in the latch */
696 		}
697 		/* foreground color */
698 		outw(GDCIDX, col1 | 0x00);		/* set/reset */
699 		e = d;
700 		f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]);
701 		for (j = 0; j < scp->font_size; ++j, ++f) {
702 			outw(GDCIDX, (*f << 8) | 0x08);	/* bit mask */
703 	        	writeb(e, 0);
704 			e += line_width;
705 		}
706 		++d;
707 		if ((i % scp->xsize) == scp->xsize - 1)
708 			d += scp->xoff*2
709 				 + (scp->font_size - 1)*line_width;
710 	}
711 	outw(GDCIDX, 0x0000);		/* set/reset */
712 	outw(GDCIDX, 0x0001);		/* set/reset enable */
713 	outw(GDCIDX, 0xff08);		/* bit mask */
714 }
715 
716 static void
717 vga_vgadraw_direct(scr_stat *scp, int from, int count, int flip)
718 {
719 	vm_offset_t d = 0;
720 	vm_offset_t e;
721 	u_char *f;
722 	u_short col1, col2, color;
723 	int line_width, pixel_size;
724 	int i, j, k;
725 	int a;
726 
727 	line_width = scp->sc->adp->va_line_width;
728 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
729 
730 	d = VIDEO_MEMORY_POS(scp, from, 8 * pixel_size);
731 
732 	if (from + count > scp->xsize * scp->ysize)
733 		count = scp->xsize * scp->ysize - from;
734 
735 	for (i = from; count-- > 0; ++i) {
736 		a = sc_vtb_geta(&scp->vtb, i);
737 
738 		if (flip) {
739 			col1 = (((a & 0x7000) >> 4) | (a & 0x0800)) >> 8;
740 			col2 = (((a & 0x8000) >> 4) | (a & 0x0700)) >> 8;
741 		} else {
742 			col1 = (a & 0x0f00) >> 8;
743 			col2 = (a & 0xf000) >> 12;
744 		}
745 
746 		e = d;
747 		f = &(scp->font[sc_vtb_getc(&scp->vtb, i) * scp->font_size]);
748 
749 		for (j = 0; j < scp->font_size; ++j, ++f) {
750 			for (k = 0; k < 8; ++k) {
751 				color = *f & (1 << (7 - k)) ? col1 : col2;
752 				vga_drawpxl(e + pixel_size * k, color);
753 			}
754 
755 			e += line_width;
756 		}
757 
758 		d += 8 * pixel_size;
759 
760 		if ((i % scp->xsize) == scp->xsize - 1)
761 			d += scp->xoff * 16 * pixel_size +
762 			     (scp->font_size - 1) * line_width;
763 	}
764 }
765 
766 static void
767 vga_vgadraw_planar(scr_stat *scp, int from, int count, int flip)
768 {
769 	vm_offset_t d;
770 	vm_offset_t e;
771 	u_char *f;
772 	u_short bg;
773 	u_short col1, col2;
774 	int line_width;
775 	int i, j;
776 	int a;
777 	u_char c;
778 
779 	d = VIDEO_MEMORY_POS(scp, from, 1);
780 
781 	line_width = scp->sc->adp->va_line_width;
782 
783 	outw(GDCIDX, 0x0305);		/* read mode 0, write mode 3 */
784 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
785 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
786 	outw(GDCIDX, 0xff08);		/* bit mask */
787 	bg = -1;
788 	if (from + count > scp->xsize*scp->ysize)
789 		count = scp->xsize*scp->ysize - from;
790 	for (i = from; count-- > 0; ++i) {
791 		a = sc_vtb_geta(&scp->vtb, i);
792 		if (flip) {
793 			col1 = ((a & 0x7000) >> 4) | (a & 0x0800);
794 			col2 = ((a & 0x8000) >> 4) | (a & 0x0700);
795 		} else {
796 			col1 = (a & 0x0f00);
797 			col2 = (a & 0xf000) >> 4;
798 		}
799 		/* set background color in EGA/VGA latch */
800 		if (bg != col2) {
801 			bg = col2;
802 			outw(GDCIDX, 0x0005);	/* read mode 0, write mode 0 */
803 			outw(GDCIDX, bg | 0x00); /* set/reset */
804 			writeb(d, 0);
805 			c = readb(d);		/* set bg color in the latch */
806 			outw(GDCIDX, 0x0305);	/* read mode 0, write mode 3 */
807 		}
808 		/* foreground color */
809 		outw(GDCIDX, col1 | 0x00);	/* set/reset */
810 		e = d;
811 		f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]);
812 		for (j = 0; j < scp->font_size; ++j, ++f) {
813 	        	writeb(e, *f);
814 			e += line_width;
815 		}
816 		++d;
817 		if ((i % scp->xsize) == scp->xsize - 1)
818 			d += scp->xoff*2
819 				 + (scp->font_size - 1)*line_width;
820 	}
821 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
822 	outw(GDCIDX, 0x0000);		/* set/reset */
823 	outw(GDCIDX, 0x0001);		/* set/reset enable */
824 }
825 
826 static void
827 vga_pxlcursor_shape(scr_stat *scp, int base, int height, int blink)
828 {
829 	if (base < 0 || base >= scp->font_size)
830 		return;
831 	/* the caller may set height <= 0 in order to disable the cursor */
832 #if 0
833 	scp->curs_attr.base = base;
834 	scp->curs_attr.height = height;
835 #endif
836 }
837 
838 static void
839 draw_pxlcursor_direct(scr_stat *scp, int at, int on, int flip)
840 {
841 	vm_offset_t d = 0;
842 	u_char *f;
843 	int line_width, pixel_size;
844 	int height;
845 	int col1, col2, color;
846 	int a;
847 	int i, j;
848 
849 	line_width = scp->sc->adp->va_line_width;
850 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
851 
852 	d = VIDEO_MEMORY_POS(scp, at, 8 * pixel_size) +
853 	    (scp->font_size - scp->curs_attr.base - 1) * line_width;
854 
855 	a = sc_vtb_geta(&scp->vtb, at);
856 
857 	if (flip) {
858 		col1 = ((on) ? (a & 0x0f00) : ((a & 0xf000) >> 4)) >> 8;
859 		col2 = ((on) ? ((a & 0xf000) >> 4) : (a & 0x0f00)) >> 8;
860 	} else {
861 		col1 = ((on) ? ((a & 0xf000) >> 4) : (a & 0x0f00)) >> 8;
862 		col2 = ((on) ? (a & 0x0f00) : ((a & 0xf000) >> 4)) >> 8;
863 	}
864 
865 	f = &(scp->font[sc_vtb_getc(&scp->vtb, at) * scp->font_size +
866 	      scp->font_size - scp->curs_attr.base - 1]);
867 
868 	height = imin(scp->curs_attr.height, scp->font_size);
869 
870 	for (i = 0; i < height; ++i, --f) {
871 		for (j = 0; j < 8; ++j) {
872 			color = *f & (1 << (7 - j)) ? col1 : col2;
873 			vga_drawpxl(d + pixel_size * j, color);
874 		}
875 
876 		d -= line_width;
877 	}
878 }
879 
880 static void
881 draw_pxlcursor_planar(scr_stat *scp, int at, int on, int flip)
882 {
883 	vm_offset_t d;
884 	u_char *f;
885 	int line_width;
886 	int height;
887 	int col;
888 	int a;
889 	int i;
890 	u_char c;
891 
892 	line_width = scp->sc->adp->va_line_width;
893 
894 	d = VIDEO_MEMORY_POS(scp, at, 1) +
895 	    (scp->font_size - scp->curs_attr.base - 1) * line_width;
896 
897 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
898 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
899 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
900 	/* set background color in EGA/VGA latch */
901 	a = sc_vtb_geta(&scp->vtb, at);
902 	if (flip)
903 		col = (on) ? ((a & 0xf000) >> 4) : (a & 0x0f00);
904 	else
905 		col = (on) ? (a & 0x0f00) : ((a & 0xf000) >> 4);
906 	outw(GDCIDX, col | 0x00);	/* set/reset */
907 	outw(GDCIDX, 0xff08);		/* bit mask */
908 	writeb(d, 0);
909 	c = readb(d);			/* set bg color in the latch */
910 	/* foreground color */
911 	if (flip)
912 		col = (on) ? (a & 0x0f00) : ((a & 0xf000) >> 4);
913 	else
914 		col = (on) ? ((a & 0xf000) >> 4) : (a & 0x0f00);
915 	outw(GDCIDX, col | 0x00);	/* set/reset */
916 	f = &(scp->font[sc_vtb_getc(&scp->vtb, at)*scp->font_size
917 		+ scp->font_size - scp->curs_attr.base - 1]);
918 	height = imin(scp->curs_attr.height, scp->font_size);
919 	for (i = 0; i < height; ++i, --f) {
920 		outw(GDCIDX, (*f << 8) | 0x08);	/* bit mask */
921 	       	writeb(d, 0);
922 		d -= line_width;
923 	}
924 	outw(GDCIDX, 0x0000);		/* set/reset */
925 	outw(GDCIDX, 0x0001);		/* set/reset enable */
926 	outw(GDCIDX, 0xff08);		/* bit mask */
927 }
928 
929 static int pxlblinkrate = 0;
930 
931 static void
932 vga_pxlcursor_direct(scr_stat *scp, int at, int blink, int on, int flip)
933 {
934 	if (scp->curs_attr.height <= 0)	/* the text cursor is disabled */
935 		return;
936 
937 	if (on) {
938 		if (!blink) {
939 			scp->status |= VR_CURSOR_ON;
940 			draw_pxlcursor_direct(scp, at, on, flip);
941 		} else if (++pxlblinkrate & 4) {
942 			pxlblinkrate = 0;
943 			scp->status ^= VR_CURSOR_ON;
944 			draw_pxlcursor_direct(scp, at,
945 					      scp->status & VR_CURSOR_ON,
946 					      flip);
947 		}
948 	} else {
949 		if (scp->status & VR_CURSOR_ON)
950 			draw_pxlcursor_direct(scp, at, on, flip);
951 		scp->status &= ~VR_CURSOR_ON;
952 	}
953 	if (blink)
954 		scp->status |= VR_CURSOR_BLINK;
955 	else
956 		scp->status &= ~VR_CURSOR_BLINK;
957 }
958 
959 static void
960 vga_pxlcursor_planar(scr_stat *scp, int at, int blink, int on, int flip)
961 {
962 	if (scp->curs_attr.height <= 0)	/* the text cursor is disabled */
963 		return;
964 
965 	if (on) {
966 		if (!blink) {
967 			scp->status |= VR_CURSOR_ON;
968 			draw_pxlcursor_planar(scp, at, on, flip);
969 		} else if (++pxlblinkrate & 4) {
970 			pxlblinkrate = 0;
971 			scp->status ^= VR_CURSOR_ON;
972 			draw_pxlcursor_planar(scp, at,
973 					      scp->status & VR_CURSOR_ON,
974 					      flip);
975 		}
976 	} else {
977 		if (scp->status & VR_CURSOR_ON)
978 			draw_pxlcursor_planar(scp, at, on, flip);
979 		scp->status &= ~VR_CURSOR_ON;
980 	}
981 	if (blink)
982 		scp->status |= VR_CURSOR_BLINK;
983 	else
984 		scp->status &= ~VR_CURSOR_BLINK;
985 }
986 
987 static void
988 vga_pxlblink_direct(scr_stat *scp, int at, int flip)
989 {
990 	if (!(scp->status & VR_CURSOR_BLINK))
991 		return;
992 	if (!(++pxlblinkrate & 4))
993 		return;
994 	pxlblinkrate = 0;
995 	scp->status ^= VR_CURSOR_ON;
996 	draw_pxlcursor_direct(scp, at, scp->status & VR_CURSOR_ON, flip);
997 }
998 
999 static void
1000 vga_pxlblink_planar(scr_stat *scp, int at, int flip)
1001 {
1002 	if (!(scp->status & VR_CURSOR_BLINK))
1003 		return;
1004 	if (!(++pxlblinkrate & 4))
1005 		return;
1006 	pxlblinkrate = 0;
1007 	scp->status ^= VR_CURSOR_ON;
1008 	draw_pxlcursor_planar(scp, at, scp->status & VR_CURSOR_ON, flip);
1009 }
1010 
1011 #ifndef SC_NO_CUTPASTE
1012 
1013 static void
1014 draw_pxlmouse_planar(scr_stat *scp, int x, int y)
1015 {
1016 	vm_offset_t p;
1017 	int line_width;
1018 	int xoff, yoff;
1019 	int ymax;
1020 	u_short m;
1021 	int i, j;
1022 
1023 	line_width = scp->sc->adp->va_line_width;
1024 	xoff = (x - scp->xoff*8)%8;
1025 	yoff = y - (y/line_width)*line_width;
1026 	ymax = imin(y + 16, scp->ypixel);
1027 
1028 	outw(GDCIDX, 0x0805);		/* read mode 1, write mode 0 */
1029 	outw(GDCIDX, 0x0001);		/* set/reset enable */
1030 	outw(GDCIDX, 0x0002);		/* color compare */
1031 	outw(GDCIDX, 0x0007);		/* color don't care */
1032 	outw(GDCIDX, 0xff08);		/* bit mask */
1033 	outw(GDCIDX, 0x0803);		/* data rotate/function select (and) */
1034 	p = scp->sc->adp->va_window + line_width*y + x/8;
1035 	if (x < scp->xpixel - 8) {
1036 		for (i = y, j = 0; i < ymax; ++i, ++j) {
1037 			m = ~(mouse_and_mask[j] >> xoff);
1038 #if defined(__i386__) || defined(__amd64__)
1039 			*(u_char *)p &= m >> 8;
1040 			*(u_char *)(p + 1) &= m;
1041 #else
1042 			writeb(p, readb(p) & (m >> 8));
1043 			writeb(p + 1, readb(p + 1) & (m >> 8));
1044 #endif
1045 			p += line_width;
1046 		}
1047 	} else {
1048 		xoff += 8;
1049 		for (i = y, j = 0; i < ymax; ++i, ++j) {
1050 			m = ~(mouse_and_mask[j] >> xoff);
1051 #if defined(__i386__) || defined(__amd64__)
1052 			*(u_char *)p &= m;
1053 #else
1054 			writeb(p, readb(p) & (m >> 8));
1055 #endif
1056 			p += line_width;
1057 		}
1058 	}
1059 	outw(GDCIDX, 0x1003);		/* data rotate/function select (or) */
1060 	p = scp->sc->adp->va_window + line_width*y + x/8;
1061 	if (x < scp->xpixel - 8) {
1062 		for (i = y, j = 0; i < ymax; ++i, ++j) {
1063 			m = mouse_or_mask[j] >> xoff;
1064 #if defined(__i386__) || defined(__amd64__)
1065 			*(u_char *)p &= m >> 8;
1066 			*(u_char *)(p + 1) &= m;
1067 #else
1068 			writeb(p, readb(p) & (m >> 8));
1069 			writeb(p + 1, readb(p + 1) & (m >> 8));
1070 #endif
1071 			p += line_width;
1072 		}
1073 	} else {
1074 		for (i = y, j = 0; i < ymax; ++i, ++j) {
1075 			m = mouse_or_mask[j] >> xoff;
1076 #if defined(__i386__) || defined(__amd64__)
1077 			*(u_char *)p &= m;
1078 #else
1079 			writeb(p, readb(p) & (m >> 8));
1080 #endif
1081 			p += line_width;
1082 		}
1083 	}
1084 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
1085 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
1086 }
1087 
1088 static void
1089 remove_pxlmouse_planar(scr_stat *scp, int x, int y)
1090 {
1091 	vm_offset_t p;
1092 	int col, row;
1093 	int pos;
1094 	int line_width;
1095 	int ymax;
1096 	int i;
1097 
1098 	/* erase the mouse cursor image */
1099 	col = x/8 - scp->xoff;
1100 	row = y/scp->font_size - scp->yoff;
1101 	pos = row*scp->xsize + col;
1102 	i = (col < scp->xsize - 1) ? 2 : 1;
1103 	(*scp->rndr->draw)(scp, pos, i, FALSE);
1104 	if (row < scp->ysize - 1)
1105 		(*scp->rndr->draw)(scp, pos + scp->xsize, i, FALSE);
1106 
1107 	/* paint border if necessary */
1108 	line_width = scp->sc->adp->va_line_width;
1109 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
1110 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
1111 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
1112 	outw(GDCIDX, 0xff08);		/* bit mask */
1113 	outw(GDCIDX, (scp->border << 8) | 0x00);	/* set/reset */
1114 	if (row == scp->ysize - 1) {
1115 		i = (scp->ysize + scp->yoff)*scp->font_size;
1116 		ymax = imin(i + scp->font_size, scp->ypixel);
1117 		p = scp->sc->adp->va_window + i*line_width + scp->xoff + col;
1118 		if (col < scp->xsize - 1) {
1119 			for (; i < ymax; ++i) {
1120 				writeb(p, 0);
1121 				writeb(p + 1, 0);
1122 				p += line_width;
1123 			}
1124 		} else {
1125 			for (; i < ymax; ++i) {
1126 				writeb(p, 0);
1127 				p += line_width;
1128 			}
1129 		}
1130 	}
1131 	if ((col == scp->xsize - 1) && (scp->xoff > 0)) {
1132 		i = (row + scp->yoff)*scp->font_size;
1133 		ymax = imin(i + scp->font_size*2, scp->ypixel);
1134 		p = scp->sc->adp->va_window + i*line_width
1135 			+ scp->xoff + scp->xsize;
1136 		for (; i < ymax; ++i) {
1137 			writeb(p, 0);
1138 			p += line_width;
1139 		}
1140 	}
1141 	outw(GDCIDX, 0x0000);		/* set/reset */
1142 	outw(GDCIDX, 0x0001);		/* set/reset enable */
1143 }
1144 
1145 static void
1146 vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on)
1147 {
1148 	vm_offset_t p;
1149 	int line_width, pixel_size;
1150 	int xend, yend;
1151 	static int x_old = 0, xend_old = 0;
1152 	static int y_old = 0, yend_old = 0;
1153 	int i, j;
1154 	uint32_t *u32;
1155 	uint16_t *u16;
1156 	uint8_t  *u8;
1157 	int bpp;
1158 
1159 	if (!on)
1160 		return;
1161 
1162 	bpp = scp->sc->adp->va_info.vi_depth;
1163 
1164 	if ((bpp == 16) && (scp->sc->adp->va_info.vi_pixel_fsizes[1] == 5))
1165 		bpp = 15;
1166 
1167 	line_width = scp->sc->adp->va_line_width;
1168 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
1169 
1170 	xend = imin(x + 16, scp->xpixel);
1171 	yend = imin(y + 16, scp->ypixel);
1172 
1173 	p = scp->sc->adp->va_window + y_old * line_width + x_old * pixel_size;
1174 
1175 	for (i = 0; i < (yend_old - y_old); i++) {
1176 		for (j = (xend_old - x_old - 1); j >= 0; j--) {
1177 			switch (bpp) {
1178 			case 32:
1179 				u32 = (uint32_t*)(p + j * pixel_size);
1180 				writel(u32, mouse_buf32[i * 16 + j]);
1181 				break;
1182 			case 16:
1183 				/* FALLTHROUGH */
1184 			case 15:
1185 				u16 = (uint16_t*)(p + j * pixel_size);
1186 				writew(u16, mouse_buf16[i * 16 + j]);
1187 				break;
1188 			case 8:
1189 				u8 = (uint8_t*)(p + j * pixel_size);
1190 				writeb(u8, mouse_buf8[i * 16 + j]);
1191 				break;
1192 			}
1193 		}
1194 
1195 		p += line_width;
1196 	}
1197 
1198 	p = scp->sc->adp->va_window + y * line_width + x * pixel_size;
1199 
1200 	for (i = 0; i < (yend - y); i++) {
1201 		for (j = (xend - x - 1); j >= 0; j--) {
1202 			switch (bpp) {
1203 			case 32:
1204 				u32 = (uint32_t*)(p + j * pixel_size);
1205 				mouse_buf32[i * 16 + j] = *u32;
1206 				if (mouse_or_mask[i] & (1 << (15 - j)))
1207 					writel(u32, vga_palette32[15]);
1208 				else if (mouse_and_mask[i] & (1 << (15 - j)))
1209 					writel(u32, 0);
1210 				break;
1211 			case 16:
1212 				u16 = (uint16_t*)(p + j * pixel_size);
1213 				mouse_buf16[i * 16 + j] = *u16;
1214 				if (mouse_or_mask[i] & (1 << (15 - j)))
1215 					writew(u16, vga_palette16[15]);
1216 				else if (mouse_and_mask[i] & (1 << (15 - j)))
1217 					writew(u16, 0);
1218 				break;
1219 			case 15:
1220 				u16 = (uint16_t*)(p  + j * pixel_size);
1221 				mouse_buf16[i * 16 + j] = *u16;
1222 				if (mouse_or_mask[i] & (1 << (15 - j)))
1223 					writew(u16, vga_palette15[15]);
1224 				else if (mouse_and_mask[i] & (1 << (15 - j)))
1225 					writew(u16, 0);
1226 				break;
1227 			case 8:
1228 				u8 = (uint8_t*)(p + j * pixel_size);
1229 				mouse_buf8[i * 16 + j] = *u8;
1230 				if (mouse_or_mask[i] & (1 << (15 - j)))
1231 					writeb(u8, 15);
1232 				else if (mouse_and_mask[i] & (1 << (15 - j)))
1233 					writeb(u8, 0);
1234 				break;
1235 			}
1236 		}
1237 
1238 		p += line_width;
1239 	}
1240 
1241 	x_old = x;
1242 	y_old = y;
1243 	xend_old = xend;
1244 	yend_old = yend;
1245 }
1246 
1247 static void
1248 vga_pxlmouse_planar(scr_stat *scp, int x, int y, int on)
1249 {
1250 	if (on)
1251 		draw_pxlmouse_planar(scp, x, y);
1252 	else
1253 		remove_pxlmouse_planar(scp, x, y);
1254 }
1255 
1256 #endif /* SC_NO_CUTPASTE */
1257 #endif /* SC_PIXEL_MODE */
1258 
1259 #ifndef SC_NO_MODE_CHANGE
1260 
1261 /* graphics mode renderer */
1262 
1263 static void
1264 vga_grborder(scr_stat *scp, int color)
1265 {
1266 	vidd_set_border(scp->sc->adp, color);
1267 }
1268 
1269 #endif
1270