scvgarndr.c revision 146811
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: head/sys/dev/syscons/scvgarndr.c 146811 2005-05-30 18:37:25Z scottl $");
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
56static vr_clear_t		vga_txtclear;
57static vr_draw_border_t		vga_txtborder;
58static vr_draw_t		vga_txtdraw;
59static vr_set_cursor_t		vga_txtcursor_shape;
60static vr_draw_cursor_t		vga_txtcursor;
61static vr_blink_cursor_t	vga_txtblink;
62#ifndef SC_NO_CUTPASTE
63static 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
69static vr_init_t		vga_rndrinit;
70static vr_clear_t		vga_pxlclear_direct;
71static vr_clear_t		vga_pxlclear_planar;
72static vr_draw_border_t		vga_pxlborder_direct;
73static vr_draw_border_t		vga_pxlborder_planar;
74static vr_draw_t		vga_egadraw;
75static vr_draw_t		vga_vgadraw_direct;
76static vr_draw_t		vga_vgadraw_planar;
77static vr_set_cursor_t		vga_pxlcursor_shape;
78static vr_draw_cursor_t		vga_pxlcursor_direct;
79static vr_draw_cursor_t		vga_pxlcursor_planar;
80static vr_blink_cursor_t	vga_pxlblink_direct;
81static vr_blink_cursor_t	vga_pxlblink_planar;
82#ifndef SC_NO_CUTPASTE
83static vr_draw_mouse_t		vga_pxlmouse_direct;
84static 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
92static vr_draw_border_t		vga_grborder;
93#endif
94
95static void			vga_nop(scr_stat *scp, ...);
96
97static 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};
108RENDERER(mda, 0, txtrndrsw, vga_set);
109RENDERER(cga, 0, txtrndrsw, vga_set);
110RENDERER(ega, 0, txtrndrsw, vga_set);
111RENDERER(vga, 0, txtrndrsw, vga_set);
112
113#ifdef SC_PIXEL_MODE
114static 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};
125RENDERER(ega, PIXEL_MODE, egarndrsw, vga_set);
126
127static 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};
138RENDERER(vga, PIXEL_MODE, vgarndrsw, vga_set);
139#endif /* SC_PIXEL_MODE */
140
141#ifndef SC_NO_MODE_CHANGE
142static 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};
153RENDERER(cga, GRAPHICS_MODE, grrndrsw, vga_set);
154RENDERER(ega, GRAPHICS_MODE, grrndrsw, vga_set);
155RENDERER(vga, GRAPHICS_MODE, grrndrsw, vga_set);
156#endif /* SC_NO_MODE_CHANGE */
157
158RENDERER_MODULE(vga, vga_set);
159
160#ifndef SC_NO_CUTPASTE
161#if !defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE)
162static 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};
166static 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		}
197
198static uint32_t vga_palette32[16] = {
199	0x000000, 0x0000ad, 0x00ad00, 0x00adad,
200	0xad0000, 0xad00ad, 0xad5200, 0xadadad,
201	0x525252, 0x5252ff, 0x52ff52, 0x52ffff,
202	0xff5252, 0xff52ff, 0xffff52, 0xffffff
203};
204
205static uint16_t vga_palette16[16] = {
206	0x0000, 0x0016, 0x0560, 0x0576, 0xb000, 0xb016, 0xb2a0, 0xb576,
207	0x52aa, 0x52bf, 0x57ea, 0x57ff, 0xfaaa, 0xfabf, 0xffea, 0xffff
208};
209
210static uint16_t vga_palette15[16] = {
211	0x0000, 0x0016, 0x02c0, 0x02d6, 0x5800, 0x5816, 0x5940, 0x5ad6,
212	0x294a, 0x295f, 0x2bea, 0x2bff, 0x7d4a, 0x7d5f, 0x7fea, 0x7fff
213};
214
215#ifndef SC_NO_CUTPASTE
216static uint32_t mouse_buf32[256];
217static uint16_t mouse_buf16[256];
218#endif
219#endif
220
221static void
222vga_nop(scr_stat *scp, ...)
223{
224}
225
226/* text mode renderer */
227
228static void
229vga_txtclear(scr_stat *scp, int c, int attr)
230{
231	sc_vtb_clear(&scp->scr, c, attr);
232}
233
234static void
235vga_txtborder(scr_stat *scp, int color)
236{
237	(*vidsw[scp->sc->adapter]->set_border)(scp->sc->adp, color);
238}
239
240static void
241vga_txtdraw(scr_stat *scp, int from, int count, int flip)
242{
243	vm_offset_t p;
244	int c;
245	int a;
246
247	if (from + count > scp->xsize*scp->ysize)
248		count = scp->xsize*scp->ysize - from;
249
250	if (flip) {
251		for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) {
252			c = sc_vtb_getc(&scp->vtb, from);
253			a = sc_vtb_geta(&scp->vtb, from);
254			a = (a & 0x8800) | ((a & 0x7000) >> 4)
255				| ((a & 0x0700) << 4);
256			p = sc_vtb_putchar(&scp->scr, p, c, a);
257		}
258	} else {
259		sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count);
260	}
261}
262
263static void
264vga_txtcursor_shape(scr_stat *scp, int base, int height, int blink)
265{
266	if (base < 0 || base >= scp->font_size)
267		return;
268	/* the caller may set height <= 0 in order to disable the cursor */
269#if 0
270	scp->curs_attr.base = base;
271	scp->curs_attr.height = height;
272#endif
273	(*vidsw[scp->sc->adapter]->set_hw_cursor_shape)(scp->sc->adp,
274							base, height,
275							scp->font_size, blink);
276}
277
278static void
279draw_txtcharcursor(scr_stat *scp, int at, u_short c, u_short a, int flip)
280{
281	sc_softc_t *sc;
282
283	sc = scp->sc;
284	scp->cursor_saveunder_char = c;
285	scp->cursor_saveunder_attr = a;
286
287#ifndef SC_NO_FONT_LOADING
288	if (scp->curs_attr.flags & CONS_CHAR_CURSOR) {
289		unsigned char *font;
290		int h;
291		int i;
292
293		if (scp->font_size < 14) {
294			font = sc->font_8;
295			h = 8;
296		} else if (scp->font_size >= 16) {
297			font = sc->font_16;
298			h = 16;
299		} else {
300			font = sc->font_14;
301			h = 14;
302		}
303		if (scp->curs_attr.base >= h)
304			return;
305		if (flip)
306			a = (a & 0x8800)
307				| ((a & 0x7000) >> 4) | ((a & 0x0700) << 4);
308		bcopy(font + c*h, font + sc->cursor_char*h, h);
309		font = font + sc->cursor_char*h;
310		for (i = imax(h - scp->curs_attr.base - scp->curs_attr.height, 0);
311			i < h - scp->curs_attr.base; ++i) {
312			font[i] ^= 0xff;
313		}
314		/* XXX */
315		(*vidsw[sc->adapter]->load_font)(sc->adp, 0, h, font,
316						 sc->cursor_char, 1);
317		sc_vtb_putc(&scp->scr, at, sc->cursor_char, a);
318	} else
319#endif /* SC_NO_FONT_LOADING */
320	{
321		if ((a & 0x7000) == 0x7000) {
322			a &= 0x8f00;
323			if ((a & 0x0700) == 0)
324				a |= 0x0700;
325		} else {
326			a |= 0x7000;
327			if ((a & 0x0700) == 0x0700)
328				a &= 0xf000;
329		}
330		if (flip)
331			a = (a & 0x8800)
332				| ((a & 0x7000) >> 4) | ((a & 0x0700) << 4);
333		sc_vtb_putc(&scp->scr, at, c, a);
334	}
335}
336
337static void
338vga_txtcursor(scr_stat *scp, int at, int blink, int on, int flip)
339{
340	video_adapter_t *adp;
341	int cursor_attr;
342
343	if (scp->curs_attr.height <= 0)	/* the text cursor is disabled */
344		return;
345
346	adp = scp->sc->adp;
347	if (blink) {
348		scp->status |= VR_CURSOR_BLINK;
349		if (on) {
350			scp->status |= VR_CURSOR_ON;
351			(*vidsw[adp->va_index]->set_hw_cursor)(adp,
352							       at%scp->xsize,
353							       at/scp->xsize);
354		} else {
355			if (scp->status & VR_CURSOR_ON)
356				(*vidsw[adp->va_index]->set_hw_cursor)(adp,
357								       -1, -1);
358			scp->status &= ~VR_CURSOR_ON;
359		}
360	} else {
361		scp->status &= ~VR_CURSOR_BLINK;
362		if (on) {
363			scp->status |= VR_CURSOR_ON;
364			draw_txtcharcursor(scp, at,
365					   sc_vtb_getc(&scp->scr, at),
366					   sc_vtb_geta(&scp->scr, at),
367					   flip);
368		} else {
369			cursor_attr = scp->cursor_saveunder_attr;
370			if (flip)
371				cursor_attr = (cursor_attr & 0x8800)
372					| ((cursor_attr & 0x7000) >> 4)
373					| ((cursor_attr & 0x0700) << 4);
374			if (scp->status & VR_CURSOR_ON)
375				sc_vtb_putc(&scp->scr, at,
376					    scp->cursor_saveunder_char,
377					    cursor_attr);
378			scp->status &= ~VR_CURSOR_ON;
379		}
380	}
381}
382
383static void
384vga_txtblink(scr_stat *scp, int at, int flip)
385{
386}
387
388#ifndef SC_NO_CUTPASTE
389
390static void
391draw_txtmouse(scr_stat *scp, int x, int y)
392{
393#ifndef SC_ALT_MOUSE_IMAGE
394    if (ISMOUSEAVAIL(scp->sc->adp->va_flags)) {
395	u_char font_buf[128];
396	u_short cursor[32];
397	u_char c;
398	int pos;
399	int xoffset, yoffset;
400	int crtc_addr;
401	int i;
402
403	/* prepare mousepointer char's bitmaps */
404	pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
405	bcopy(scp->font + sc_vtb_getc(&scp->scr, pos)*scp->font_size,
406	      &font_buf[0], scp->font_size);
407	bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + 1)*scp->font_size,
408	      &font_buf[32], scp->font_size);
409	bcopy(scp->font
410		 + sc_vtb_getc(&scp->scr, pos + scp->xsize)*scp->font_size,
411	      &font_buf[64], scp->font_size);
412	bcopy(scp->font
413		 + sc_vtb_getc(&scp->scr, pos + scp->xsize + 1)*scp->font_size,
414	      &font_buf[96], scp->font_size);
415	for (i = 0; i < scp->font_size; ++i) {
416		cursor[i] = font_buf[i]<<8 | font_buf[i+32];
417		cursor[i + scp->font_size] = font_buf[i+64]<<8 | font_buf[i+96];
418	}
419
420	/* now and-or in the mousepointer image */
421	xoffset = x%8;
422	yoffset = y%scp->font_size;
423	for (i = 0; i < 16; ++i) {
424		cursor[i + yoffset] =
425	    		(cursor[i + yoffset] & ~(mouse_and_mask[i] >> xoffset))
426	    		| (mouse_or_mask[i] >> xoffset);
427	}
428	for (i = 0; i < scp->font_size; ++i) {
429		font_buf[i] = (cursor[i] & 0xff00) >> 8;
430		font_buf[i + 32] = cursor[i] & 0xff;
431		font_buf[i + 64] = (cursor[i + scp->font_size] & 0xff00) >> 8;
432		font_buf[i + 96] = cursor[i + scp->font_size] & 0xff;
433	}
434
435#if 1
436	/* wait for vertical retrace to avoid jitter on some videocards */
437	crtc_addr = scp->sc->adp->va_crtc_addr;
438	while (!(inb(crtc_addr + 6) & 0x08)) /* idle */ ;
439#endif
440	c = scp->sc->mouse_char;
441	(*vidsw[scp->sc->adapter]->load_font)(scp->sc->adp, 0, 32, font_buf,
442					      c, 4);
443
444	sc_vtb_putc(&scp->scr, pos, c, sc_vtb_geta(&scp->scr, pos));
445	/* FIXME: may be out of range! */
446	sc_vtb_putc(&scp->scr, pos + scp->xsize, c + 2,
447		    sc_vtb_geta(&scp->scr, pos + scp->xsize));
448	if (x < (scp->xsize - 1)*8) {
449		sc_vtb_putc(&scp->scr, pos + 1, c + 1,
450			    sc_vtb_geta(&scp->scr, pos + 1));
451		sc_vtb_putc(&scp->scr, pos + scp->xsize + 1, c + 3,
452			    sc_vtb_geta(&scp->scr, pos + scp->xsize + 1));
453	}
454    } else
455#endif /* SC_ALT_MOUSE_IMAGE */
456    {
457	/* Red, magenta and brown are mapped to green to to keep it readable */
458	static const int col_conv[16] = {
459		6, 6, 6, 6, 2, 2, 2, 6, 14, 14, 14, 14, 10, 10, 10, 14
460	};
461	int pos;
462	int color;
463	int a;
464
465	pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
466	a = sc_vtb_geta(&scp->scr, pos);
467	if (scp->sc->adp->va_flags & V_ADP_COLOR)
468		color = (col_conv[(a & 0xf000) >> 12] << 12)
469			| ((a & 0x0f00) | 0x0800);
470	else
471		color = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4);
472	sc_vtb_putc(&scp->scr, pos, sc_vtb_getc(&scp->scr, pos), color);
473    }
474}
475
476static void
477remove_txtmouse(scr_stat *scp, int x, int y)
478{
479}
480
481static void
482vga_txtmouse(scr_stat *scp, int x, int y, int on)
483{
484	if (on)
485		draw_txtmouse(scp, x, y);
486	else
487		remove_txtmouse(scp, x, y);
488}
489
490#endif /* SC_NO_CUTPASTE */
491
492#ifdef SC_PIXEL_MODE
493
494/* pixel (raster text) mode renderer */
495
496static void
497vga_rndrinit(scr_stat *scp)
498{
499	if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PLANAR) {
500		scp->rndr->clear = vga_pxlclear_planar;
501		scp->rndr->draw_border = vga_pxlborder_planar;
502		scp->rndr->draw = vga_vgadraw_planar;
503		scp->rndr->draw_cursor = vga_pxlcursor_planar;
504		scp->rndr->blink_cursor = vga_pxlblink_planar;
505		scp->rndr->draw_mouse = vga_pxlmouse_planar;
506	} else if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) {
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
516static void
517vga_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
538static void
539vga_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
564static void
565vga_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
621static void
622vga_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	(*vidsw[scp->sc->adapter]->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
657static void
658vga_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
716static void
717vga_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
766static void
767vga_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
826static void
827vga_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
838static void
839draw_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
880static void
881draw_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
929static int pxlblinkrate = 0;
930
931static void
932vga_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
959static void
960vga_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
987static void
988vga_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
999static void
1000vga_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
1013static void
1014draw_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#elif defined(__alpha__)
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#elif defined(__alpha__)
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#elif defined(__alpha__)
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#elif defined(__alpha__)
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
1088static void
1089remove_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
1145static void
1146vga_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	int bpp;
1157
1158	if (!on)
1159		return;
1160
1161	bpp = scp->sc->adp->va_info.vi_depth;
1162
1163	if ((bpp == 16) && (scp->sc->adp->va_info.vi_pixel_fsizes[1] == 5))
1164		bpp = 15;
1165
1166	line_width = scp->sc->adp->va_line_width;
1167	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
1168
1169	xend = imin(x + 16, scp->xpixel);
1170	yend = imin(y + 16, scp->ypixel);
1171
1172	p = scp->sc->adp->va_window + y_old * line_width + x_old * pixel_size;
1173
1174	for (i = 0; i < (yend_old - y_old); i++) {
1175		for (j = (xend_old - x_old - 1); j >= 0; j--) {
1176			switch (bpp) {
1177			case 32:
1178				u32 = (uint32_t*)(p + j * pixel_size);
1179				writel(u32, mouse_buf32[i * 16 + j]);
1180				break;
1181			case 16:
1182				/* FALLTHROUGH */
1183			case 15:
1184				u16 = (uint16_t*)(p + j * pixel_size);
1185				writew(u16, mouse_buf16[i * 16 + j]);
1186				break;
1187			}
1188		}
1189
1190		p += line_width;
1191	}
1192
1193	p = scp->sc->adp->va_window + y * line_width + x * pixel_size;
1194
1195	for (i = 0; i < (yend - y); i++) {
1196		for (j = (xend - x - 1); j >= 0; j--) {
1197			switch (bpp) {
1198			case 32:
1199				u32 = (uint32_t*)(p + j * pixel_size);
1200				mouse_buf32[i * 16 + j] = *u32;
1201				if (mouse_or_mask[i] & (1 << (15 - j)))
1202					writel(u32, vga_palette32[15]);
1203				else if (mouse_and_mask[i] & (1 << (15 - j)))
1204					writel(u32, 0);
1205				break;
1206			case 16:
1207				u16 = (uint16_t*)(p + j * pixel_size);
1208				mouse_buf16[i * 16 + j] = *u16;
1209				if (mouse_or_mask[i] & (1 << (15 - j)))
1210					writew(u16, vga_palette16[15]);
1211				else if (mouse_and_mask[i] & (1 << (15 - j)))
1212					writew(u16, 0);
1213				break;
1214			case 15:
1215				u16 = (uint16_t*)(p  + j * pixel_size);
1216				mouse_buf16[i * 16 + j] = *u16;
1217				if (mouse_or_mask[i] & (1 << (15 - j)))
1218					writew(u16, vga_palette15[15]);
1219				else if (mouse_and_mask[i] & (1 << (15 - j)))
1220					writew(u16, 0);
1221				break;
1222			}
1223		}
1224
1225		p += line_width;
1226	}
1227
1228	x_old = x;
1229	y_old = y;
1230	xend_old = xend;
1231	yend_old = yend;
1232}
1233
1234static void
1235vga_pxlmouse_planar(scr_stat *scp, int x, int y, int on)
1236{
1237	if (on)
1238		draw_pxlmouse_planar(scp, x, y);
1239	else
1240		remove_pxlmouse_planar(scp, x, y);
1241}
1242
1243#endif /* SC_NO_CUTPASTE */
1244#endif /* SC_PIXEL_MODE */
1245
1246#ifndef SC_NO_MODE_CHANGE
1247
1248/* graphics mode renderer */
1249
1250static void
1251vga_grborder(scr_stat *scp, int color)
1252{
1253	(*vidsw[scp->sc->adapter]->set_border)(scp->sc->adp, color);
1254}
1255
1256#endif
1257