2 * Copyright (c) 1998 Michael Smith (msmith@freebsd.org)
3 * Copyright (c) 1997 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp)
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * Id: probe_keyboard.c,v 1.13 1997/06/09 05:10:55 bde Exp
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
35 #include <bootstrap.h>
42 #include <dev/vt/hw/vga/vt_vga_reg.h>
47 static int probe_keyboard(void);
49 static void vidc_probe(struct console *cp);
50 static int vidc_init(int arg);
51 static void vidc_putchar(int c);
52 static int vidc_getchar(void);
53 static int vidc_ischar(void);
54 static void cons_draw_frame(teken_attr_t *);
56 static int vidc_started;
57 static uint16_t *vgatext;
59 static tf_bell_t vidc_cons_bell;
60 static tf_cursor_t vidc_text_cursor;
61 static tf_putchar_t vidc_text_putchar;
62 static tf_fill_t vidc_text_fill;
63 static tf_copy_t vidc_text_copy;
64 static tf_param_t vidc_text_param;
65 static tf_respond_t vidc_cons_respond;
67 static teken_funcs_t tf = {
68 .tf_bell = vidc_cons_bell,
69 .tf_cursor = vidc_text_cursor,
70 .tf_putchar = vidc_text_putchar,
71 .tf_fill = vidc_text_fill,
72 .tf_copy = vidc_text_copy,
73 .tf_param = vidc_text_param,
74 .tf_respond = vidc_cons_respond,
77 static teken_funcs_t tfx = {
78 .tf_bell = vidc_cons_bell,
79 .tf_cursor = gfx_fb_cursor,
80 .tf_putchar = gfx_fb_putchar,
81 .tf_fill = gfx_fb_fill,
82 .tf_copy = gfx_fb_copy,
83 .tf_param = gfx_fb_param,
84 .tf_respond = vidc_cons_respond,
89 static uint8_t keybuf[KEYBUFSZ]; /* keybuf for extended codes */
91 struct console vidconsole = {
92 .c_name = "vidconsole",
93 .c_desc = "internal video/keyboard",
95 .c_probe = vidc_probe,
97 .c_out = vidc_putchar,
99 .c_ready = vidc_ischar
103 * This function is used to mark a rectangular image area so the scrolling
104 * will know we need to copy the data from there.
107 term_image_display(teken_gfx_t *state, const teken_rect_t *r)
112 for (p.tp_row = r->tr_begin.tp_row;
113 p.tp_row < r->tr_end.tp_row; p.tp_row++) {
114 for (p.tp_col = r->tr_begin.tp_col;
115 p.tp_col < r->tr_end.tp_col; p.tp_col++) {
116 idx = p.tp_col + p.tp_row * state->tg_tp.tp_col;
117 if (idx >= state->tg_tp.tp_col * state->tg_tp.tp_row)
119 screen_buffer[idx].a.ta_format |= TF_IMAGE;
125 vidc_text_set_cursor(teken_unit_t row, teken_unit_t col, bool visible)
130 msl = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_MAX_SCAN_LINE) & 0x1f;
131 s = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_START) & 0xC0;
132 e = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_END);
134 if (visible == true) {
135 addr = row * TEXT_COLS + col;
136 vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_HIGH, addr >> 8);
137 vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_LOW,
143 vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_START, s);
144 vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_END, e);
148 vidc_text_get_cursor(teken_unit_t *row, teken_unit_t *col)
152 addr = (vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_HIGH) << 8) +
153 vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_LOW);
155 *row = addr / TEXT_COLS;
156 *col = addr % TEXT_COLS;
163 vidc_cons_bell(void *s __unused)
168 vidc_text_cursor(void *s __unused, const teken_pos_t *p)
170 teken_unit_t row, col;
172 if (p->tp_col == TEXT_COLS)
177 if (p->tp_row == TEXT_ROWS)
182 vidc_text_set_cursor(row, col, true);
186 * Binary searchable table for Unicode to CP437 conversion.
189 uint16_t unicode_base;
194 static const struct unicp437 cp437table[] = {
195 { 0x0020, 0x20, 0x5e }, { 0x00a0, 0x20, 0x00 },
196 { 0x00a1, 0xad, 0x00 }, { 0x00a2, 0x9b, 0x00 },
197 { 0x00a3, 0x9c, 0x00 }, { 0x00a5, 0x9d, 0x00 },
198 { 0x00a7, 0x15, 0x00 }, { 0x00aa, 0xa6, 0x00 },
199 { 0x00ab, 0xae, 0x00 }, { 0x00ac, 0xaa, 0x00 },
200 { 0x00b0, 0xf8, 0x00 }, { 0x00b1, 0xf1, 0x00 },
201 { 0x00b2, 0xfd, 0x00 }, { 0x00b5, 0xe6, 0x00 },
202 { 0x00b6, 0x14, 0x00 }, { 0x00b7, 0xfa, 0x00 },
203 { 0x00ba, 0xa7, 0x00 }, { 0x00bb, 0xaf, 0x00 },
204 { 0x00bc, 0xac, 0x00 }, { 0x00bd, 0xab, 0x00 },
205 { 0x00bf, 0xa8, 0x00 }, { 0x00c4, 0x8e, 0x01 },
206 { 0x00c6, 0x92, 0x00 }, { 0x00c7, 0x80, 0x00 },
207 { 0x00c9, 0x90, 0x00 }, { 0x00d1, 0xa5, 0x00 },
208 { 0x00d6, 0x99, 0x00 }, { 0x00dc, 0x9a, 0x00 },
209 { 0x00df, 0xe1, 0x00 }, { 0x00e0, 0x85, 0x00 },
210 { 0x00e1, 0xa0, 0x00 }, { 0x00e2, 0x83, 0x00 },
211 { 0x00e4, 0x84, 0x00 }, { 0x00e5, 0x86, 0x00 },
212 { 0x00e6, 0x91, 0x00 }, { 0x00e7, 0x87, 0x00 },
213 { 0x00e8, 0x8a, 0x00 }, { 0x00e9, 0x82, 0x00 },
214 { 0x00ea, 0x88, 0x01 }, { 0x00ec, 0x8d, 0x00 },
215 { 0x00ed, 0xa1, 0x00 }, { 0x00ee, 0x8c, 0x00 },
216 { 0x00ef, 0x8b, 0x00 }, { 0x00f0, 0xeb, 0x00 },
217 { 0x00f1, 0xa4, 0x00 }, { 0x00f2, 0x95, 0x00 },
218 { 0x00f3, 0xa2, 0x00 }, { 0x00f4, 0x93, 0x00 },
219 { 0x00f6, 0x94, 0x00 }, { 0x00f7, 0xf6, 0x00 },
220 { 0x00f8, 0xed, 0x00 }, { 0x00f9, 0x97, 0x00 },
221 { 0x00fa, 0xa3, 0x00 }, { 0x00fb, 0x96, 0x00 },
222 { 0x00fc, 0x81, 0x00 }, { 0x00ff, 0x98, 0x00 },
223 { 0x0192, 0x9f, 0x00 }, { 0x0393, 0xe2, 0x00 },
224 { 0x0398, 0xe9, 0x00 }, { 0x03a3, 0xe4, 0x00 },
225 { 0x03a6, 0xe8, 0x00 }, { 0x03a9, 0xea, 0x00 },
226 { 0x03b1, 0xe0, 0x01 }, { 0x03b4, 0xeb, 0x00 },
227 { 0x03b5, 0xee, 0x00 }, { 0x03bc, 0xe6, 0x00 },
228 { 0x03c0, 0xe3, 0x00 }, { 0x03c3, 0xe5, 0x00 },
229 { 0x03c4, 0xe7, 0x00 }, { 0x03c6, 0xed, 0x00 },
230 { 0x03d5, 0xed, 0x00 }, { 0x2010, 0x2d, 0x00 },
231 { 0x2014, 0x2d, 0x00 }, { 0x2018, 0x60, 0x00 },
232 { 0x2019, 0x27, 0x00 }, { 0x201c, 0x22, 0x00 },
233 { 0x201d, 0x22, 0x00 }, { 0x2022, 0x07, 0x00 },
234 { 0x203c, 0x13, 0x00 }, { 0x207f, 0xfc, 0x00 },
235 { 0x20a7, 0x9e, 0x00 }, { 0x20ac, 0xee, 0x00 },
236 { 0x2126, 0xea, 0x00 }, { 0x2190, 0x1b, 0x00 },
237 { 0x2191, 0x18, 0x00 }, { 0x2192, 0x1a, 0x00 },
238 { 0x2193, 0x19, 0x00 }, { 0x2194, 0x1d, 0x00 },
239 { 0x2195, 0x12, 0x00 }, { 0x21a8, 0x17, 0x00 },
240 { 0x2202, 0xeb, 0x00 }, { 0x2208, 0xee, 0x00 },
241 { 0x2211, 0xe4, 0x00 }, { 0x2212, 0x2d, 0x00 },
242 { 0x2219, 0xf9, 0x00 }, { 0x221a, 0xfb, 0x00 },
243 { 0x221e, 0xec, 0x00 }, { 0x221f, 0x1c, 0x00 },
244 { 0x2229, 0xef, 0x00 }, { 0x2248, 0xf7, 0x00 },
245 { 0x2261, 0xf0, 0x00 }, { 0x2264, 0xf3, 0x00 },
246 { 0x2265, 0xf2, 0x00 }, { 0x2302, 0x7f, 0x00 },
247 { 0x2310, 0xa9, 0x00 }, { 0x2320, 0xf4, 0x00 },
248 { 0x2321, 0xf5, 0x00 }, { 0x2500, 0xc4, 0x00 },
249 { 0x2502, 0xb3, 0x00 }, { 0x250c, 0xda, 0x00 },
250 { 0x2510, 0xbf, 0x00 }, { 0x2514, 0xc0, 0x00 },
251 { 0x2518, 0xd9, 0x00 }, { 0x251c, 0xc3, 0x00 },
252 { 0x2524, 0xb4, 0x00 }, { 0x252c, 0xc2, 0x00 },
253 { 0x2534, 0xc1, 0x00 }, { 0x253c, 0xc5, 0x00 },
254 { 0x2550, 0xcd, 0x00 }, { 0x2551, 0xba, 0x00 },
255 { 0x2552, 0xd5, 0x00 }, { 0x2553, 0xd6, 0x00 },
256 { 0x2554, 0xc9, 0x00 }, { 0x2555, 0xb8, 0x00 },
257 { 0x2556, 0xb7, 0x00 }, { 0x2557, 0xbb, 0x00 },
258 { 0x2558, 0xd4, 0x00 }, { 0x2559, 0xd3, 0x00 },
259 { 0x255a, 0xc8, 0x00 }, { 0x255b, 0xbe, 0x00 },
260 { 0x255c, 0xbd, 0x00 }, { 0x255d, 0xbc, 0x00 },
261 { 0x255e, 0xc6, 0x01 }, { 0x2560, 0xcc, 0x00 },
262 { 0x2561, 0xb5, 0x00 }, { 0x2562, 0xb6, 0x00 },
263 { 0x2563, 0xb9, 0x00 }, { 0x2564, 0xd1, 0x01 },
264 { 0x2566, 0xcb, 0x00 }, { 0x2567, 0xcf, 0x00 },
265 { 0x2568, 0xd0, 0x00 }, { 0x2569, 0xca, 0x00 },
266 { 0x256a, 0xd8, 0x00 }, { 0x256b, 0xd7, 0x00 },
267 { 0x256c, 0xce, 0x00 }, { 0x2580, 0xdf, 0x00 },
268 { 0x2584, 0xdc, 0x00 }, { 0x2588, 0xdb, 0x00 },
269 { 0x258c, 0xdd, 0x00 }, { 0x2590, 0xde, 0x00 },
270 { 0x2591, 0xb0, 0x02 }, { 0x25a0, 0xfe, 0x00 },
271 { 0x25ac, 0x16, 0x00 }, { 0x25b2, 0x1e, 0x00 },
272 { 0x25ba, 0x10, 0x00 }, { 0x25bc, 0x1f, 0x00 },
273 { 0x25c4, 0x11, 0x00 }, { 0x25cb, 0x09, 0x00 },
274 { 0x25d8, 0x08, 0x00 }, { 0x25d9, 0x0a, 0x00 },
275 { 0x263a, 0x01, 0x01 }, { 0x263c, 0x0f, 0x00 },
276 { 0x2640, 0x0c, 0x00 }, { 0x2642, 0x0b, 0x00 },
277 { 0x2660, 0x06, 0x00 }, { 0x2663, 0x05, 0x00 },
278 { 0x2665, 0x03, 0x01 }, { 0x266a, 0x0d, 0x00 },
279 { 0x266c, 0x0e, 0x00 }
283 vga_get_cp437(teken_char_t c)
288 max = (sizeof(cp437table) / sizeof(struct unicp437)) - 1;
290 if (c < cp437table[0].unicode_base ||
291 c > cp437table[max].unicode_base + cp437table[max].length)
295 mid = (min + max) / 2;
296 if (c < cp437table[mid].unicode_base)
298 else if (c > cp437table[mid].unicode_base +
299 cp437table[mid].length)
302 return (c - cp437table[mid].unicode_base +
303 cp437table[mid].cp437_base);
310 vidc_text_printchar(teken_gfx_t *state, const teken_pos_t *p)
314 struct text_pixel *px;
315 teken_color_t fg, bg, tmp;
321 idx = p->tp_col + p->tp_row * state->tg_tp.tp_col;
322 px = &screen_buffer[idx];
323 fg = teken_256to16(px->a.ta_fgcolor);
324 bg = teken_256to16(px->a.ta_bgcolor);
325 if (px->a.ta_format & TF_BOLD)
327 if (px->a.ta_format & TF_BLINK)
330 if (px->a.ta_format & TF_REVERSE) {
336 attr = (cmap[bg & 0xf] << 4) | cmap[fg & 0xf];
337 addr = (struct cgatext *)vgatext;
338 addr[idx].ch = vga_get_cp437(px->c);
339 addr[idx].attr = attr;
343 vidc_text_putchar(void *s, const teken_pos_t *p, teken_char_t c,
344 const teken_attr_t *a)
346 teken_gfx_t *state = s;
349 idx = p->tp_col + p->tp_row * state->tg_tp.tp_col;
350 if (idx >= state->tg_tp.tp_col * state->tg_tp.tp_row)
353 screen_buffer[idx].c = c;
354 screen_buffer[idx].a = *a;
356 vidc_text_printchar(state, p);
360 vidc_text_fill(void *arg, const teken_rect_t *r, teken_char_t c,
361 const teken_attr_t *a)
363 teken_gfx_t *state = arg;
365 teken_unit_t row, col;
367 vidc_text_get_cursor(&row, &col);
368 vidc_text_set_cursor(row, col, false);
369 for (p.tp_row = r->tr_begin.tp_row; p.tp_row < r->tr_end.tp_row;
371 for (p.tp_col = r->tr_begin.tp_col;
372 p.tp_col < r->tr_end.tp_col; p.tp_col++)
373 vidc_text_putchar(state, &p, c, a);
374 vidc_text_set_cursor(row, col, true);
378 vidc_text_copy(void *ptr, const teken_rect_t *r, const teken_pos_t *p)
380 teken_gfx_t *state = ptr;
382 int nrow, ncol, x, y; /* Has to be signed - >= 0 comparison */
384 teken_unit_t row, col;
387 * Copying is a little tricky. We must make sure we do it in
388 * correct order, to make sure we don't overwrite our own data.
391 nrow = r->tr_end.tp_row - r->tr_begin.tp_row;
392 ncol = r->tr_end.tp_col - r->tr_begin.tp_col;
394 vidc_text_get_cursor(&row, &col);
395 vidc_text_set_cursor(row, col, false);
396 if (p->tp_row < r->tr_begin.tp_row) {
397 /* Copy from bottom to top. */
398 for (y = 0; y < nrow; y++) {
399 d.tp_row = p->tp_row + y;
400 s.tp_row = r->tr_begin.tp_row + y;
401 drow = d.tp_row * state->tg_tp.tp_col;
402 srow = s.tp_row * state->tg_tp.tp_col;
403 for (x = 0; x < ncol; x++) {
404 d.tp_col = p->tp_col + x;
405 s.tp_col = r->tr_begin.tp_col + x;
408 &screen_buffer[d.tp_col + drow],
409 &screen_buffer[s.tp_col + srow])) {
410 screen_buffer[d.tp_col + drow] =
411 screen_buffer[s.tp_col + srow];
412 vidc_text_printchar(state, &d);
417 /* Copy from top to bottom. */
418 if (p->tp_col < r->tr_begin.tp_col) {
419 /* Copy from right to left. */
420 for (y = nrow - 1; y >= 0; y--) {
421 d.tp_row = p->tp_row + y;
422 s.tp_row = r->tr_begin.tp_row + y;
423 drow = d.tp_row * state->tg_tp.tp_col;
424 srow = s.tp_row * state->tg_tp.tp_col;
425 for (x = 0; x < ncol; x++) {
426 d.tp_col = p->tp_col + x;
427 s.tp_col = r->tr_begin.tp_col + x;
430 &screen_buffer[d.tp_col + drow],
431 &screen_buffer[s.tp_col + srow])) {
432 screen_buffer[d.tp_col + drow] =
433 screen_buffer[s.tp_col + srow];
434 vidc_text_printchar(state, &d);
439 /* Copy from left to right. */
440 for (y = nrow - 1; y >= 0; y--) {
441 d.tp_row = p->tp_row + y;
442 s.tp_row = r->tr_begin.tp_row + y;
443 drow = d.tp_row * state->tg_tp.tp_col;
444 srow = s.tp_row * state->tg_tp.tp_col;
445 for (x = ncol - 1; x >= 0; x--) {
446 d.tp_col = p->tp_col + x;
447 s.tp_col = r->tr_begin.tp_col + x;
450 &screen_buffer[d.tp_col + drow],
451 &screen_buffer[s.tp_col + srow])) {
452 screen_buffer[d.tp_col + drow] =
453 screen_buffer[s.tp_col + srow];
454 vidc_text_printchar(state, &d);
460 vidc_text_set_cursor(row, col, true);
464 vidc_text_param(void *arg, int cmd, unsigned int value)
466 teken_gfx_t *state = arg;
467 teken_unit_t row, col;
470 case TP_SETLOCALCURSOR:
472 * 0 means normal (usually block), 1 means hidden, and
473 * 2 means blinking (always block) for compatibility with
474 * syscons. We don't support any changes except hiding,
475 * so must map 2 to 0.
477 value = (value == 1) ? 0 : 1;
480 vidc_text_get_cursor(&row, &col);
482 vidc_text_set_cursor(row, col, true);
483 state->tg_cursor_visible = true;
485 vidc_text_set_cursor(row, col, false);
486 state->tg_cursor_visible = false;
490 /* Not yet implemented */
499 vidc_cons_respond(void *s __unused, const void *buf __unused,
505 vidc_probe(struct console *cp)
508 /* look for a keyboard */
510 if (probe_keyboard())
514 cp->c_flags |= C_PRESENTIN;
517 /* XXX for now, always assume we can do BIOS screen output */
518 cp->c_flags |= C_PRESENTOUT;
522 color_name_to_teken(const char *name, int *val)
524 if (strcasecmp(name, "black") == 0) {
528 if (strcasecmp(name, "red") == 0) {
532 if (strcasecmp(name, "green") == 0) {
536 if (strcasecmp(name, "brown") == 0) {
540 if (strcasecmp(name, "blue") == 0) {
544 if (strcasecmp(name, "magenta") == 0) {
548 if (strcasecmp(name, "cyan") == 0) {
552 if (strcasecmp(name, "white") == 0) {
560 vidc_set_colors(struct env_var *ev, int flags, const void *value)
565 const teken_attr_t *ap;
571 if (color_name_to_teken(value, &val)) {
572 snprintf(buf, sizeof (buf), "%d", val);
578 val = (int)strtol(value, &end, 0);
579 if (errno != 0 || *end != '\0') {
580 printf("Allowed values are either ansi color name or "
581 "number from range [0-7].\n");
587 ap = teken_get_defattr(&gfx_state.tg_teken);
589 if (strcmp(ev->ev_name, "teken.fg_color") == 0) {
590 /* is it already set? */
591 if (ap->ta_fgcolor == val)
595 if (strcmp(ev->ev_name, "teken.bg_color") == 0) {
596 /* is it already set? */
597 if (ap->ta_bgcolor == val)
602 /* Improve visibility */
603 if (a.ta_bgcolor == TC_WHITE)
604 a.ta_bgcolor |= TC_LIGHT;
606 teken_set_defattr(&gfx_state.tg_teken, &a);
608 env_setenv(ev->ev_name, flags | EV_NOHOOK, evalue, NULL, NULL);
609 teken_input(&gfx_state.tg_teken, "\e[2J", 4);
615 env_screen_nounset(struct env_var *ev __unused)
617 if (gfx_state.tg_fb_type == FB_TEXT)
623 vidc_load_palette(uint32_t *cmap)
625 int i, roff, goff, boff, rc;
628 pe8 = calloc(sizeof(*pe8), NCMAP);
632 /* Generate VGA colors */
633 roff = ffs(gfx_state.tg_fb.fb_mask_red) - 1;
634 goff = ffs(gfx_state.tg_fb.fb_mask_green) - 1;
635 boff = ffs(gfx_state.tg_fb.fb_mask_blue) - 1;
636 rc = generate_cons_palette((uint32_t *)pe8, COLOR_FORMAT_RGB,
637 gfx_state.tg_fb.fb_mask_red >> roff, roff,
638 gfx_state.tg_fb.fb_mask_green >> goff, goff,
639 gfx_state.tg_fb.fb_mask_blue >> boff, boff);
642 for (i = 0; i < NCMAP; i++) {
646 idx = cons_to_vga_colors[i];
650 rc = vbe_set_palette(&pe8[i], idx);
659 cons_draw_frame(teken_attr_t *a)
661 teken_attr_t attr = *a;
662 teken_color_t fg = a->ta_fgcolor;
664 attr.ta_fgcolor = attr.ta_bgcolor;
665 teken_set_defattr(&gfx_state.tg_teken, &attr);
667 gfx_fb_drawrect(0, 0, gfx_state.tg_fb.fb_width,
668 gfx_state.tg_origin.tp_row, 1);
670 gfx_state.tg_fb.fb_height - gfx_state.tg_origin.tp_row - 1,
671 gfx_state.tg_fb.fb_width, gfx_state.tg_fb.fb_height, 1);
672 gfx_fb_drawrect(0, gfx_state.tg_origin.tp_row,
673 gfx_state.tg_origin.tp_col,
674 gfx_state.tg_fb.fb_height - gfx_state.tg_origin.tp_row - 1, 1);
676 gfx_state.tg_fb.fb_width - gfx_state.tg_origin.tp_col - 1,
677 gfx_state.tg_origin.tp_row, gfx_state.tg_fb.fb_width,
678 gfx_state.tg_fb.fb_height, 1);
680 attr.ta_fgcolor = fg;
681 teken_set_defattr(&gfx_state.tg_teken, &attr);
685 * Binary searchable table for CP437 to Unicode conversion.
689 uint16_t unicode_base;
693 static const struct cp437uni cp437unitable[] = {
694 { 0, 0x0000, 0 }, { 1, 0x263A, 1 }, { 3, 0x2665, 1 },
695 { 5, 0x2663, 0 }, { 6, 0x2660, 0 }, { 7, 0x2022, 0 },
696 { 8, 0x25D8, 0 }, { 9, 0x25CB, 0 }, { 10, 0x25D9, 0 },
697 { 11, 0x2642, 0 }, { 12, 0x2640, 0 }, { 13, 0x266A, 1 },
698 { 15, 0x263C, 0 }, { 16, 0x25BA, 0 }, { 17, 0x25C4, 0 },
699 { 18, 0x2195, 0 }, { 19, 0x203C, 0 }, { 20, 0x00B6, 0 },
700 { 21, 0x00A7, 0 }, { 22, 0x25AC, 0 }, { 23, 0x21A8, 0 },
701 { 24, 0x2191, 0 }, { 25, 0x2193, 0 }, { 26, 0x2192, 0 },
702 { 27, 0x2190, 0 }, { 28, 0x221F, 0 }, { 29, 0x2194, 0 },
703 { 30, 0x25B2, 0 }, { 31, 0x25BC, 0 }, { 32, 0x0020, 0x5e },
704 { 127, 0x2302, 0 }, { 128, 0x00C7, 0 }, { 129, 0x00FC, 0 },
705 { 130, 0x00E9, 0 }, { 131, 0x00E2, 0 }, { 132, 0x00E4, 0 },
706 { 133, 0x00E0, 0 }, { 134, 0x00E5, 0 }, { 135, 0x00E7, 0 },
707 { 136, 0x00EA, 1 }, { 138, 0x00E8, 0 }, { 139, 0x00EF, 0 },
708 { 140, 0x00EE, 0 }, { 141, 0x00EC, 0 }, { 142, 0x00C4, 1 },
709 { 144, 0x00C9, 0 }, { 145, 0x00E6, 0 }, { 146, 0x00C6, 0 },
710 { 147, 0x00F4, 0 }, { 148, 0x00F6, 0 }, { 149, 0x00F2, 0 },
711 { 150, 0x00FB, 0 }, { 151, 0x00F9, 0 }, { 152, 0x00FF, 0 },
712 { 153, 0x00D6, 0 }, { 154, 0x00DC, 0 }, { 155, 0x00A2, 1 },
713 { 157, 0x00A5, 0 }, { 158, 0x20A7, 0 }, { 159, 0x0192, 0 },
714 { 160, 0x00E1, 0 }, { 161, 0x00ED, 0 }, { 162, 0x00F3, 0 },
715 { 163, 0x00FA, 0 }, { 164, 0x00F1, 0 }, { 165, 0x00D1, 0 },
716 { 166, 0x00AA, 0 }, { 167, 0x00BA, 0 }, { 168, 0x00BF, 0 },
717 { 169, 0x2310, 0 }, { 170, 0x00AC, 0 }, { 171, 0x00BD, 0 },
718 { 172, 0x00BC, 0 }, { 173, 0x00A1, 0 }, { 174, 0x00AB, 0 },
719 { 175, 0x00BB, 0 }, { 176, 0x2591, 2 }, { 179, 0x2502, 0 },
720 { 180, 0x2524, 0 }, { 181, 0x2561, 1 }, { 183, 0x2556, 0 },
721 { 184, 0x2555, 0 }, { 185, 0x2563, 0 }, { 186, 0x2551, 0 },
722 { 187, 0x2557, 0 }, { 188, 0x255D, 0 }, { 189, 0x255C, 0 },
723 { 190, 0x255B, 0 }, { 191, 0x2510, 0 }, { 192, 0x2514, 0 },
724 { 193, 0x2534, 0 }, { 194, 0x252C, 0 }, { 195, 0x251C, 0 },
725 { 196, 0x2500, 0 }, { 197, 0x253C, 0 }, { 198, 0x255E, 1 },
726 { 200, 0x255A, 0 }, { 201, 0x2554, 0 }, { 202, 0x2569, 0 },
727 { 203, 0x2566, 0 }, { 204, 0x2560, 0 }, { 205, 0x2550, 0 },
728 { 206, 0x256C, 0 }, { 207, 0x2567, 1 }, { 209, 0x2564, 1 },
729 { 211, 0x2559, 0 }, { 212, 0x2558, 0 }, { 213, 0x2552, 1 },
730 { 215, 0x256B, 0 }, { 216, 0x256A, 0 }, { 217, 0x2518, 0 },
731 { 218, 0x250C, 0 }, { 219, 0x2588, 0 }, { 220, 0x2584, 0 },
732 { 221, 0x258C, 0 }, { 222, 0x2590, 0 }, { 223, 0x2580, 0 },
733 { 224, 0x03B1, 0 }, { 225, 0x00DF, 0 }, { 226, 0x0393, 0 },
734 { 227, 0x03C0, 0 }, { 228, 0x03A3, 0 }, { 229, 0x03C3, 0 },
735 { 230, 0x00B5, 0 }, { 231, 0x03C4, 0 }, { 232, 0x03A6, 0 },
736 { 233, 0x0398, 0 }, { 234, 0x03A9, 0 }, { 235, 0x03B4, 0 },
737 { 236, 0x221E, 0 }, { 237, 0x03C6, 0 }, { 238, 0x03B5, 0 },
738 { 239, 0x2229, 0 }, { 240, 0x2261, 0 }, { 241, 0x00B1, 0 },
739 { 242, 0x2265, 0 }, { 243, 0x2264, 0 }, { 244, 0x2320, 1 },
740 { 246, 0x00F7, 0 }, { 247, 0x2248, 0 }, { 248, 0x00B0, 0 },
741 { 249, 0x2219, 0 }, { 250, 0x00B7, 0 }, { 251, 0x221A, 0 },
742 { 252, 0x207F, 0 }, { 253, 0x00B2, 0 }, { 254, 0x25A0, 0 },
747 vga_cp437_to_uni(uint8_t c)
752 max = (sizeof(cp437unitable) / sizeof(struct cp437uni)) - 1;
755 mid = (min + max) / 2;
756 if (c < cp437unitable[mid].cp437_base)
758 else if (c > cp437unitable[mid].cp437_base +
759 cp437unitable[mid].length)
762 return (c - cp437unitable[mid].cp437_base +
763 cp437unitable[mid].unicode_base);
770 * install font for text mode
773 vidc_install_font(void)
775 static uint8_t fsreg[8] = {0x0, 0x30, 0x5, 0x35, 0xa, 0x3a, 0xf, 0x3f};
777 uint8_t volatile *to;
781 teken_attr_t a = { 0 };
783 if (gfx_state.tg_fb_type != FB_TEXT)
786 /* Sync-reset the sequencer registers */
787 vga_set_seq(VGA_REG_BASE, 0x00, 0x01);
789 * enable write to plane2, since fonts
790 * could only be loaded into plane2
792 vga_set_seq(VGA_REG_BASE, 0x02, 0x04);
794 * sequentially access data in the bit map being
795 * selected by MapMask register (index 0x02)
797 vga_set_seq(VGA_REG_BASE, 0x04, 0x07);
798 /* Sync-reset ended, and allow the sequencer to operate */
799 vga_set_seq(VGA_REG_BASE, 0x00, 0x03);
802 * select plane 2 on Read Mode 0
804 vga_set_grc(VGA_REG_BASE, 0x04, 0x02);
806 * system addresses sequentially access data, follow
807 * Memory Mode register bit 2 in the sequencer
809 vga_set_grc(VGA_REG_BASE, 0x05, 0x00);
811 * set range of host memory addresses decoded by VGA
812 * hardware -- A0000h-BFFFFh (128K region)
814 vga_set_grc(VGA_REG_BASE, 0x06, 0x00);
817 * This assumes 8x16 characters, which yield the traditional 80x25
821 s = 0; /* font slot, maybe should use tunable there. */
822 f_offset = s * 8 * 1024;
823 for (i = 0; i < 256; i++) {
824 c = vga_cp437_to_uni(i);
825 from = font_lookup(&gfx_state.tg_font, c, &a);
826 to = (unsigned char *)ptov(VGA_MEM_BASE) + f_offset +
828 for (j = 0; j < bpc; j++)
832 /* Sync-reset the sequencer registers */
833 vga_set_seq(VGA_REG_BASE, 0x00, 0x01);
834 /* enable write to plane 0 and 1 */
835 vga_set_seq(VGA_REG_BASE, 0x02, 0x03);
837 * enable character map selection
838 * and odd/even addressing
840 vga_set_seq(VGA_REG_BASE, 0x04, 0x03);
844 vga_set_seq(VGA_REG_BASE, 0x03, fsreg[s]);
845 /* Sync-reset ended, and allow the sequencer to operate */
846 vga_set_seq(VGA_REG_BASE, 0x00, 0x03);
848 /* restore graphic registers */
851 vga_set_grc(VGA_REG_BASE, 0x04, 0x00);
852 /* enable odd/even addressing mode */
853 vga_set_grc(VGA_REG_BASE, 0x05, 0x10);
855 * range of host memory addresses decoded by VGA
856 * hardware -- B8000h-BFFFFh (32K region)
858 vga_set_grc(VGA_REG_BASE, 0x06, 0x0e);
859 /* enable all color plane */
860 vga_set_atr(VGA_REG_BASE, 0x12, 0x0f);
864 cons_update_mode(bool use_gfx_mode)
866 const teken_attr_t *a;
869 int format, roff, goff, boff;
871 gfx_state.tg_tp.tp_row = TEXT_ROWS;
872 gfx_state.tg_tp.tp_col = TEXT_COLS;
875 setup_font(&gfx_state, gfx_state.tg_fb.fb_height,
876 gfx_state.tg_fb.fb_width);
877 /* Point of origin in pixels. */
878 gfx_state.tg_origin.tp_row = (gfx_state.tg_fb.fb_height -
879 (gfx_state.tg_tp.tp_row * gfx_state.tg_font.vf_height)) / 2;
880 gfx_state.tg_origin.tp_col = (gfx_state.tg_fb.fb_width -
881 (gfx_state.tg_tp.tp_col * gfx_state.tg_font.vf_width)) / 2;
883 gfx_state.tg_glyph_size = gfx_state.tg_font.vf_height *
884 gfx_state.tg_font.vf_width * 4;
885 free(gfx_state.tg_glyph);
886 gfx_state.tg_glyph = malloc(gfx_state.tg_glyph_size);
887 if (gfx_state.tg_glyph == NULL)
889 gfx_state.tg_functions = &tfx;
890 snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_height);
891 env_setenv("screen.height", EV_VOLATILE | EV_NOHOOK, env,
892 env_noset, env_screen_nounset);
893 snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_width);
894 env_setenv("screen.width", EV_VOLATILE | EV_NOHOOK, env,
895 env_noset, env_screen_nounset);
896 snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_bpp);
897 env_setenv("screen.depth", EV_VOLATILE | EV_NOHOOK, env,
898 env_noset, env_screen_nounset);
900 /* Trigger loading of 8x16 font. */
901 setup_font(&gfx_state,
902 16 * gfx_state.tg_fb.fb_height + BORDER_PIXELS,
903 8 * gfx_state.tg_fb.fb_width + BORDER_PIXELS);
904 gfx_state.tg_functions = &tf;
905 /* ensure the following are not set for text mode */
906 unsetenv("screen.height");
907 unsetenv("screen.width");
908 unsetenv("screen.depth");
909 unsetenv("kern.vt.fb.default_mode");
914 screen_buffer = malloc(gfx_state.tg_tp.tp_row * gfx_state.tg_tp.tp_col *
915 sizeof(*screen_buffer));
916 if (screen_buffer == NULL)
919 teken_init(&gfx_state.tg_teken, gfx_state.tg_functions, &gfx_state);
921 if (gfx_state.tg_ctype == CT_INDEXED)
922 format = COLOR_FORMAT_VGA;
924 format = COLOR_FORMAT_RGB;
926 roff = ffs(gfx_state.tg_fb.fb_mask_red) - 1;
927 goff = ffs(gfx_state.tg_fb.fb_mask_green) - 1;
928 boff = ffs(gfx_state.tg_fb.fb_mask_blue) - 1;
929 (void) generate_cons_palette(cmap, format,
930 gfx_state.tg_fb.fb_mask_red >> roff, roff,
931 gfx_state.tg_fb.fb_mask_green >> goff, goff,
932 gfx_state.tg_fb.fb_mask_blue >> boff, boff);
934 if (gfx_state.tg_ctype == CT_INDEXED)
935 vidc_load_palette(cmap);
937 teken_set_winsize(&gfx_state.tg_teken, &gfx_state.tg_tp);
938 a = teken_get_defattr(&gfx_state.tg_teken);
942 * On first run, we set up the vidc_set_colors()
943 * callback. If the env is already set, we
944 * pick up fg and bg color values from the environment.
946 ptr = getenv("teken.fg_color");
948 attr.ta_fgcolor = strtol(ptr, NULL, 10);
949 ptr = getenv("teken.bg_color");
950 attr.ta_bgcolor = strtol(ptr, NULL, 10);
952 teken_set_defattr(&gfx_state.tg_teken, &attr);
954 snprintf(env, sizeof(env), "%d", attr.ta_fgcolor);
955 env_setenv("teken.fg_color", EV_VOLATILE, env,
956 vidc_set_colors, env_nounset);
957 snprintf(env, sizeof(env), "%d", attr.ta_bgcolor);
958 env_setenv("teken.bg_color", EV_VOLATILE, env,
959 vidc_set_colors, env_nounset);
962 /* Improve visibility */
963 if (attr.ta_bgcolor == TC_WHITE)
964 attr.ta_bgcolor |= TC_LIGHT;
965 teken_set_defattr(&gfx_state.tg_teken, &attr);
967 snprintf(env, sizeof (env), "%u", (unsigned)gfx_state.tg_tp.tp_row);
968 setenv("LINES", env, 1);
969 snprintf(env, sizeof (env), "%u", (unsigned)gfx_state.tg_tp.tp_col);
970 setenv("COLUMNS", env, 1);
972 /* Draw frame around terminal area. */
973 cons_draw_frame(&attr);
974 /* Erase display, this will also fill our screen buffer. */
975 teken_input(&gfx_state.tg_teken, "\e[2J", 4);
976 gfx_state.tg_functions->tf_param(&gfx_state, TP_SHOWCURSOR, 1);
984 const teken_attr_t *a;
988 if (vidc_started && arg == 0)
995 * Check Miscellaneous Output Register (Read at 3CCh, Write at 3C2h)
996 * for bit 1 (Input/Output Address Select), which means
997 * color/graphics adapter.
999 if (vga_get_reg(VGA_REG_BASE, VGA_GEN_MISC_OUTPUT_R) & VGA_GEN_MO_IOA)
1000 vgatext = (uint16_t *)PTOV(VGA_TXT_BASE);
1002 vgatext = (uint16_t *)PTOV(VGA_MEM_BASE + VGA_MEM_SIZE);
1004 /* set 16bit colors */
1005 val = vga_get_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL);
1006 val &= ~VGA_AC_MC_BI;
1007 val &= ~VGA_AC_MC_ELG;
1008 vga_set_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL, val);
1010 #if defined(FRAMEBUFFER_MODE)
1011 val = vbe_default_mode();
1012 /* if val is not legal VBE mode, use text mode */
1013 if (VBE_VALID_MODE(val)) {
1014 if (vbe_set_mode(val) != 0)
1015 bios_set_text_mode(VGA_TEXT_MODE);
1019 gfx_framework_init();
1021 if (!cons_update_mode(VBE_VALID_MODE(vbe_get_mode())))
1024 for (int i = 0; i < 10 && vidc_ischar(); i++)
1025 (void) vidc_getchar();
1027 return (0); /* XXX reinit? */
1031 vidc_biosputchar(int c)
1036 v86.eax = 0xe00 | (c & 0xff);
1044 unsigned char ch = c;
1046 if (screen_buffer != NULL)
1047 teken_input(&gfx_state.tg_teken, &ch, sizeof (ch));
1049 vidc_biosputchar(c);
1057 for (i = 0; i < KEYBUFSZ; i++) {
1058 if (keybuf[i] != 0) {
1065 if (vidc_ischar()) {
1070 if ((v86.eax & 0xff) != 0) {
1071 return (v86.eax & 0xff);
1075 switch (v86.eax & 0xff00) {
1076 case 0x4800: /* up */
1079 return (0x1b); /* esc */
1080 case 0x4b00: /* left */
1083 return (0x1b); /* esc */
1084 case 0x4d00: /* right */
1087 return (0x1b); /* esc */
1088 case 0x5000: /* down */
1091 return (0x1b); /* esc */
1105 for (i = 0; i < KEYBUFSZ; i++) {
1106 if (keybuf[i] != 0) {
1111 v86.ctl = V86_FLAGS;
1115 return (!V86_ZR(v86.efl));
1120 #define PROBE_MAXRETRY 5
1121 #define PROBE_MAXWAIT 400
1122 #define IO_DUMMY 0x84
1123 #define IO_KBD 0x060 /* 8042 Keyboard */
1125 /* selected defines from kbdio.h */
1126 #define KBD_STATUS_PORT 4 /* status port, read */
1127 #define KBD_DATA_PORT 0 /* data port, read/write
1128 * also used as keyboard command
1129 * and mouse command port
1131 #define KBDC_ECHO 0x00ee
1132 #define KBDS_ANY_BUFFER_FULL 0x0001
1133 #define KBDS_INPUT_BUFFER_FULL 0x0002
1134 #define KBD_ECHO 0x00ee
1136 /* 7 microsec delay necessary for some keyboard controllers */
1141 * I know this is broken, but no timer is available yet at this stage...
1142 * See also comments in `delay1ms()'.
1144 inb(IO_DUMMY); inb(IO_DUMMY);
1145 inb(IO_DUMMY); inb(IO_DUMMY);
1146 inb(IO_DUMMY); inb(IO_DUMMY);
1150 * This routine uses an inb to an unused port, the time to execute that
1151 * inb is approximately 1.25uS. This value is pretty constant across
1152 * all CPU's and all buses, with the exception of some PCI implentations
1153 * that do not forward this I/O address to the ISA bus as they know it
1154 * is not a valid ISA bus address, those machines execute this inb in
1167 * We use the presence/absence of a keyboard to determine whether the internal
1168 * console can be used for input.
1170 * Perform a simple test on the keyboard; issue the ECHO command and see
1171 * if the right answer is returned. We don't do anything as drastic as
1172 * full keyboard reset; it will be too troublesome and take too much time.
1175 probe_keyboard(void)
1177 int retry = PROBE_MAXRETRY;
1181 while (--retry >= 0) {
1182 /* flush any noise */
1183 while (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) {
1185 inb(IO_KBD + KBD_DATA_PORT);
1189 /* wait until the controller can accept a command */
1190 for (wait = PROBE_MAXWAIT; wait > 0; --wait) {
1191 if (((i = inb(IO_KBD + KBD_STATUS_PORT))
1192 & (KBDS_INPUT_BUFFER_FULL | KBDS_ANY_BUFFER_FULL))
1195 if (i & KBDS_ANY_BUFFER_FULL) {
1197 inb(IO_KBD + KBD_DATA_PORT);
1204 /* send the ECHO command */
1205 outb(IO_KBD + KBD_DATA_PORT, KBDC_ECHO);
1207 /* wait for a response */
1208 for (wait = PROBE_MAXWAIT; wait > 0; --wait) {
1209 if (inb(IO_KBD + KBD_STATUS_PORT) &
1210 KBDS_ANY_BUFFER_FULL)
1218 i = inb(IO_KBD + KBD_DATA_PORT);
1219 #ifdef PROBE_KBD_BEBUG
1220 printf("probe_keyboard: got 0x%x.\n", i);
1222 if (i == KBD_ECHO) {
1223 /* got the right answer */
1230 #endif /* KEYBOARD_PROBE */