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 if (screen_buffer == NULL)
115 for (p.tp_row = r->tr_begin.tp_row;
116 p.tp_row < r->tr_end.tp_row; p.tp_row++) {
117 for (p.tp_col = r->tr_begin.tp_col;
118 p.tp_col < r->tr_end.tp_col; p.tp_col++) {
119 idx = p.tp_col + p.tp_row * state->tg_tp.tp_col;
120 if (idx >= state->tg_tp.tp_col * state->tg_tp.tp_row)
122 screen_buffer[idx].a.ta_format |= TF_IMAGE;
128 vidc_text_set_cursor(teken_unit_t row, teken_unit_t col, bool visible)
133 msl = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_MAX_SCAN_LINE) & 0x1f;
134 s = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_START) & 0xC0;
135 e = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_END);
137 if (visible == true) {
138 addr = row * TEXT_COLS + col;
139 vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_HIGH, addr >> 8);
140 vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_LOW,
146 vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_START, s);
147 vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_END, e);
151 vidc_text_get_cursor(teken_unit_t *row, teken_unit_t *col)
155 addr = (vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_HIGH) << 8) +
156 vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_LOW);
158 *row = addr / TEXT_COLS;
159 *col = addr % TEXT_COLS;
166 vidc_cons_bell(void *s __unused)
171 vidc_text_cursor(void *s __unused, const teken_pos_t *p)
173 teken_unit_t row, col;
175 if (p->tp_col == TEXT_COLS)
180 if (p->tp_row == TEXT_ROWS)
185 vidc_text_set_cursor(row, col, true);
189 * Binary searchable table for Unicode to CP437 conversion.
192 uint16_t unicode_base;
197 static const struct unicp437 cp437table[] = {
198 { 0x0020, 0x20, 0x5e }, { 0x00a0, 0x20, 0x00 },
199 { 0x00a1, 0xad, 0x00 }, { 0x00a2, 0x9b, 0x00 },
200 { 0x00a3, 0x9c, 0x00 }, { 0x00a5, 0x9d, 0x00 },
201 { 0x00a7, 0x15, 0x00 }, { 0x00aa, 0xa6, 0x00 },
202 { 0x00ab, 0xae, 0x00 }, { 0x00ac, 0xaa, 0x00 },
203 { 0x00b0, 0xf8, 0x00 }, { 0x00b1, 0xf1, 0x00 },
204 { 0x00b2, 0xfd, 0x00 }, { 0x00b5, 0xe6, 0x00 },
205 { 0x00b6, 0x14, 0x00 }, { 0x00b7, 0xfa, 0x00 },
206 { 0x00ba, 0xa7, 0x00 }, { 0x00bb, 0xaf, 0x00 },
207 { 0x00bc, 0xac, 0x00 }, { 0x00bd, 0xab, 0x00 },
208 { 0x00bf, 0xa8, 0x00 }, { 0x00c4, 0x8e, 0x01 },
209 { 0x00c6, 0x92, 0x00 }, { 0x00c7, 0x80, 0x00 },
210 { 0x00c9, 0x90, 0x00 }, { 0x00d1, 0xa5, 0x00 },
211 { 0x00d6, 0x99, 0x00 }, { 0x00dc, 0x9a, 0x00 },
212 { 0x00df, 0xe1, 0x00 }, { 0x00e0, 0x85, 0x00 },
213 { 0x00e1, 0xa0, 0x00 }, { 0x00e2, 0x83, 0x00 },
214 { 0x00e4, 0x84, 0x00 }, { 0x00e5, 0x86, 0x00 },
215 { 0x00e6, 0x91, 0x00 }, { 0x00e7, 0x87, 0x00 },
216 { 0x00e8, 0x8a, 0x00 }, { 0x00e9, 0x82, 0x00 },
217 { 0x00ea, 0x88, 0x01 }, { 0x00ec, 0x8d, 0x00 },
218 { 0x00ed, 0xa1, 0x00 }, { 0x00ee, 0x8c, 0x00 },
219 { 0x00ef, 0x8b, 0x00 }, { 0x00f0, 0xeb, 0x00 },
220 { 0x00f1, 0xa4, 0x00 }, { 0x00f2, 0x95, 0x00 },
221 { 0x00f3, 0xa2, 0x00 }, { 0x00f4, 0x93, 0x00 },
222 { 0x00f6, 0x94, 0x00 }, { 0x00f7, 0xf6, 0x00 },
223 { 0x00f8, 0xed, 0x00 }, { 0x00f9, 0x97, 0x00 },
224 { 0x00fa, 0xa3, 0x00 }, { 0x00fb, 0x96, 0x00 },
225 { 0x00fc, 0x81, 0x00 }, { 0x00ff, 0x98, 0x00 },
226 { 0x0192, 0x9f, 0x00 }, { 0x0393, 0xe2, 0x00 },
227 { 0x0398, 0xe9, 0x00 }, { 0x03a3, 0xe4, 0x00 },
228 { 0x03a6, 0xe8, 0x00 }, { 0x03a9, 0xea, 0x00 },
229 { 0x03b1, 0xe0, 0x01 }, { 0x03b4, 0xeb, 0x00 },
230 { 0x03b5, 0xee, 0x00 }, { 0x03bc, 0xe6, 0x00 },
231 { 0x03c0, 0xe3, 0x00 }, { 0x03c3, 0xe5, 0x00 },
232 { 0x03c4, 0xe7, 0x00 }, { 0x03c6, 0xed, 0x00 },
233 { 0x03d5, 0xed, 0x00 }, { 0x2010, 0x2d, 0x00 },
234 { 0x2014, 0x2d, 0x00 }, { 0x2018, 0x60, 0x00 },
235 { 0x2019, 0x27, 0x00 }, { 0x201c, 0x22, 0x00 },
236 { 0x201d, 0x22, 0x00 }, { 0x2022, 0x07, 0x00 },
237 { 0x203c, 0x13, 0x00 }, { 0x207f, 0xfc, 0x00 },
238 { 0x20a7, 0x9e, 0x00 }, { 0x20ac, 0xee, 0x00 },
239 { 0x2126, 0xea, 0x00 }, { 0x2190, 0x1b, 0x00 },
240 { 0x2191, 0x18, 0x00 }, { 0x2192, 0x1a, 0x00 },
241 { 0x2193, 0x19, 0x00 }, { 0x2194, 0x1d, 0x00 },
242 { 0x2195, 0x12, 0x00 }, { 0x21a8, 0x17, 0x00 },
243 { 0x2202, 0xeb, 0x00 }, { 0x2208, 0xee, 0x00 },
244 { 0x2211, 0xe4, 0x00 }, { 0x2212, 0x2d, 0x00 },
245 { 0x2219, 0xf9, 0x00 }, { 0x221a, 0xfb, 0x00 },
246 { 0x221e, 0xec, 0x00 }, { 0x221f, 0x1c, 0x00 },
247 { 0x2229, 0xef, 0x00 }, { 0x2248, 0xf7, 0x00 },
248 { 0x2261, 0xf0, 0x00 }, { 0x2264, 0xf3, 0x00 },
249 { 0x2265, 0xf2, 0x00 }, { 0x2302, 0x7f, 0x00 },
250 { 0x2310, 0xa9, 0x00 }, { 0x2320, 0xf4, 0x00 },
251 { 0x2321, 0xf5, 0x00 }, { 0x2500, 0xc4, 0x00 },
252 { 0x2502, 0xb3, 0x00 }, { 0x250c, 0xda, 0x00 },
253 { 0x2510, 0xbf, 0x00 }, { 0x2514, 0xc0, 0x00 },
254 { 0x2518, 0xd9, 0x00 }, { 0x251c, 0xc3, 0x00 },
255 { 0x2524, 0xb4, 0x00 }, { 0x252c, 0xc2, 0x00 },
256 { 0x2534, 0xc1, 0x00 }, { 0x253c, 0xc5, 0x00 },
257 { 0x2550, 0xcd, 0x00 }, { 0x2551, 0xba, 0x00 },
258 { 0x2552, 0xd5, 0x00 }, { 0x2553, 0xd6, 0x00 },
259 { 0x2554, 0xc9, 0x00 }, { 0x2555, 0xb8, 0x00 },
260 { 0x2556, 0xb7, 0x00 }, { 0x2557, 0xbb, 0x00 },
261 { 0x2558, 0xd4, 0x00 }, { 0x2559, 0xd3, 0x00 },
262 { 0x255a, 0xc8, 0x00 }, { 0x255b, 0xbe, 0x00 },
263 { 0x255c, 0xbd, 0x00 }, { 0x255d, 0xbc, 0x00 },
264 { 0x255e, 0xc6, 0x01 }, { 0x2560, 0xcc, 0x00 },
265 { 0x2561, 0xb5, 0x00 }, { 0x2562, 0xb6, 0x00 },
266 { 0x2563, 0xb9, 0x00 }, { 0x2564, 0xd1, 0x01 },
267 { 0x2566, 0xcb, 0x00 }, { 0x2567, 0xcf, 0x00 },
268 { 0x2568, 0xd0, 0x00 }, { 0x2569, 0xca, 0x00 },
269 { 0x256a, 0xd8, 0x00 }, { 0x256b, 0xd7, 0x00 },
270 { 0x256c, 0xce, 0x00 }, { 0x2580, 0xdf, 0x00 },
271 { 0x2584, 0xdc, 0x00 }, { 0x2588, 0xdb, 0x00 },
272 { 0x258c, 0xdd, 0x00 }, { 0x2590, 0xde, 0x00 },
273 { 0x2591, 0xb0, 0x02 }, { 0x25a0, 0xfe, 0x00 },
274 { 0x25ac, 0x16, 0x00 }, { 0x25b2, 0x1e, 0x00 },
275 { 0x25ba, 0x10, 0x00 }, { 0x25bc, 0x1f, 0x00 },
276 { 0x25c4, 0x11, 0x00 }, { 0x25cb, 0x09, 0x00 },
277 { 0x25d8, 0x08, 0x00 }, { 0x25d9, 0x0a, 0x00 },
278 { 0x263a, 0x01, 0x01 }, { 0x263c, 0x0f, 0x00 },
279 { 0x2640, 0x0c, 0x00 }, { 0x2642, 0x0b, 0x00 },
280 { 0x2660, 0x06, 0x00 }, { 0x2663, 0x05, 0x00 },
281 { 0x2665, 0x03, 0x01 }, { 0x266a, 0x0d, 0x00 },
282 { 0x266c, 0x0e, 0x00 }
286 vga_get_cp437(teken_char_t c)
291 max = (sizeof(cp437table) / sizeof(struct unicp437)) - 1;
293 if (c < cp437table[0].unicode_base ||
294 c > cp437table[max].unicode_base + cp437table[max].length)
298 mid = (min + max) / 2;
299 if (c < cp437table[mid].unicode_base)
301 else if (c > cp437table[mid].unicode_base +
302 cp437table[mid].length)
305 return (c - cp437table[mid].unicode_base +
306 cp437table[mid].cp437_base);
313 vidc_text_printchar(teken_gfx_t *state, const teken_pos_t *p)
317 struct text_pixel *px;
318 teken_color_t fg, bg, tmp;
324 idx = p->tp_col + p->tp_row * state->tg_tp.tp_col;
325 px = &screen_buffer[idx];
326 fg = teken_256to16(px->a.ta_fgcolor);
327 bg = teken_256to16(px->a.ta_bgcolor);
328 if (px->a.ta_format & TF_BOLD)
330 if (px->a.ta_format & TF_BLINK)
333 if (px->a.ta_format & TF_REVERSE) {
339 attr = (cmap[bg & 0xf] << 4) | cmap[fg & 0xf];
340 addr = (struct cgatext *)vgatext;
341 addr[idx].ch = vga_get_cp437(px->c);
342 addr[idx].attr = attr;
346 vidc_text_putchar(void *s, const teken_pos_t *p, teken_char_t c,
347 const teken_attr_t *a)
349 teken_gfx_t *state = s;
352 idx = p->tp_col + p->tp_row * state->tg_tp.tp_col;
353 if (idx >= state->tg_tp.tp_col * state->tg_tp.tp_row)
356 screen_buffer[idx].c = c;
357 screen_buffer[idx].a = *a;
359 vidc_text_printchar(state, p);
363 vidc_text_fill(void *arg, const teken_rect_t *r, teken_char_t c,
364 const teken_attr_t *a)
366 teken_gfx_t *state = arg;
368 teken_unit_t row, col;
370 vidc_text_get_cursor(&row, &col);
371 vidc_text_set_cursor(row, col, false);
372 for (p.tp_row = r->tr_begin.tp_row; p.tp_row < r->tr_end.tp_row;
374 for (p.tp_col = r->tr_begin.tp_col;
375 p.tp_col < r->tr_end.tp_col; p.tp_col++)
376 vidc_text_putchar(state, &p, c, a);
377 vidc_text_set_cursor(row, col, true);
381 vidc_text_copy(void *ptr, const teken_rect_t *r, const teken_pos_t *p)
383 teken_gfx_t *state = ptr;
385 int nrow, ncol, x, y; /* Has to be signed - >= 0 comparison */
387 teken_unit_t row, col;
390 * Copying is a little tricky. We must make sure we do it in
391 * correct order, to make sure we don't overwrite our own data.
394 nrow = r->tr_end.tp_row - r->tr_begin.tp_row;
395 ncol = r->tr_end.tp_col - r->tr_begin.tp_col;
397 vidc_text_get_cursor(&row, &col);
398 vidc_text_set_cursor(row, col, false);
399 if (p->tp_row < r->tr_begin.tp_row) {
400 /* Copy from bottom to top. */
401 for (y = 0; y < nrow; y++) {
402 d.tp_row = p->tp_row + y;
403 s.tp_row = r->tr_begin.tp_row + y;
404 drow = d.tp_row * state->tg_tp.tp_col;
405 srow = s.tp_row * state->tg_tp.tp_col;
406 for (x = 0; x < ncol; x++) {
407 d.tp_col = p->tp_col + x;
408 s.tp_col = r->tr_begin.tp_col + x;
411 &screen_buffer[d.tp_col + drow],
412 &screen_buffer[s.tp_col + srow])) {
413 screen_buffer[d.tp_col + drow] =
414 screen_buffer[s.tp_col + srow];
415 vidc_text_printchar(state, &d);
420 /* Copy from top to bottom. */
421 if (p->tp_col < r->tr_begin.tp_col) {
422 /* Copy from right to left. */
423 for (y = nrow - 1; y >= 0; y--) {
424 d.tp_row = p->tp_row + y;
425 s.tp_row = r->tr_begin.tp_row + y;
426 drow = d.tp_row * state->tg_tp.tp_col;
427 srow = s.tp_row * state->tg_tp.tp_col;
428 for (x = 0; x < ncol; x++) {
429 d.tp_col = p->tp_col + x;
430 s.tp_col = r->tr_begin.tp_col + x;
433 &screen_buffer[d.tp_col + drow],
434 &screen_buffer[s.tp_col + srow])) {
435 screen_buffer[d.tp_col + drow] =
436 screen_buffer[s.tp_col + srow];
437 vidc_text_printchar(state, &d);
442 /* Copy from left to right. */
443 for (y = nrow - 1; y >= 0; y--) {
444 d.tp_row = p->tp_row + y;
445 s.tp_row = r->tr_begin.tp_row + y;
446 drow = d.tp_row * state->tg_tp.tp_col;
447 srow = s.tp_row * state->tg_tp.tp_col;
448 for (x = ncol - 1; x >= 0; x--) {
449 d.tp_col = p->tp_col + x;
450 s.tp_col = r->tr_begin.tp_col + x;
453 &screen_buffer[d.tp_col + drow],
454 &screen_buffer[s.tp_col + srow])) {
455 screen_buffer[d.tp_col + drow] =
456 screen_buffer[s.tp_col + srow];
457 vidc_text_printchar(state, &d);
463 vidc_text_set_cursor(row, col, true);
467 vidc_text_param(void *arg, int cmd, unsigned int value)
469 teken_gfx_t *state = arg;
470 teken_unit_t row, col;
473 case TP_SETLOCALCURSOR:
475 * 0 means normal (usually block), 1 means hidden, and
476 * 2 means blinking (always block) for compatibility with
477 * syscons. We don't support any changes except hiding,
478 * so must map 2 to 0.
480 value = (value == 1) ? 0 : 1;
483 vidc_text_get_cursor(&row, &col);
485 vidc_text_set_cursor(row, col, true);
486 state->tg_cursor_visible = true;
488 vidc_text_set_cursor(row, col, false);
489 state->tg_cursor_visible = false;
493 /* Not yet implemented */
502 vidc_cons_respond(void *s __unused, const void *buf __unused,
508 vidc_probe(struct console *cp)
511 /* look for a keyboard */
513 if (probe_keyboard())
517 cp->c_flags |= C_PRESENTIN;
520 /* XXX for now, always assume we can do BIOS screen output */
521 cp->c_flags |= C_PRESENTOUT;
525 color_name_to_teken(const char *name, int *val)
527 if (strcasecmp(name, "black") == 0) {
531 if (strcasecmp(name, "red") == 0) {
535 if (strcasecmp(name, "green") == 0) {
539 if (strcasecmp(name, "brown") == 0) {
543 if (strcasecmp(name, "blue") == 0) {
547 if (strcasecmp(name, "magenta") == 0) {
551 if (strcasecmp(name, "cyan") == 0) {
555 if (strcasecmp(name, "white") == 0) {
563 vidc_set_colors(struct env_var *ev, int flags, const void *value)
568 const teken_attr_t *ap;
574 if (color_name_to_teken(value, &val)) {
575 snprintf(buf, sizeof (buf), "%d", val);
581 val = (int)strtol(value, &end, 0);
582 if (errno != 0 || *end != '\0') {
583 printf("Allowed values are either ansi color name or "
584 "number from range [0-7].\n");
590 ap = teken_get_defattr(&gfx_state.tg_teken);
592 if (strcmp(ev->ev_name, "teken.fg_color") == 0) {
593 /* is it already set? */
594 if (ap->ta_fgcolor == val)
598 if (strcmp(ev->ev_name, "teken.bg_color") == 0) {
599 /* is it already set? */
600 if (ap->ta_bgcolor == val)
605 /* Improve visibility */
606 if (a.ta_bgcolor == TC_WHITE)
607 a.ta_bgcolor |= TC_LIGHT;
609 teken_set_defattr(&gfx_state.tg_teken, &a);
611 env_setenv(ev->ev_name, flags | EV_NOHOOK, evalue, NULL, NULL);
612 teken_input(&gfx_state.tg_teken, "\e[2J", 4);
618 env_screen_nounset(struct env_var *ev __unused)
620 if (gfx_state.tg_fb_type == FB_TEXT)
626 vidc_load_palette(void)
628 int i, roff, goff, boff, rc;
631 pe8 = calloc(sizeof(*pe8), NCMAP);
635 /* Generate VGA colors */
636 roff = ffs(gfx_state.tg_fb.fb_mask_red) - 1;
637 goff = ffs(gfx_state.tg_fb.fb_mask_green) - 1;
638 boff = ffs(gfx_state.tg_fb.fb_mask_blue) - 1;
639 rc = generate_cons_palette((uint32_t *)pe8, COLOR_FORMAT_RGB,
640 gfx_state.tg_fb.fb_mask_red >> roff, roff,
641 gfx_state.tg_fb.fb_mask_green >> goff, goff,
642 gfx_state.tg_fb.fb_mask_blue >> boff, boff);
645 for (i = 0; i < NCMAP; i++) {
649 idx = cons_to_vga_colors[i];
653 rc = vbe_set_palette(&pe8[i], idx);
662 cons_draw_frame(teken_attr_t *a)
664 teken_attr_t attr = *a;
665 teken_color_t fg = a->ta_fgcolor;
667 attr.ta_fgcolor = attr.ta_bgcolor;
668 teken_set_defattr(&gfx_state.tg_teken, &attr);
670 gfx_fb_drawrect(0, 0, gfx_state.tg_fb.fb_width,
671 gfx_state.tg_origin.tp_row, 1);
673 gfx_state.tg_fb.fb_height - gfx_state.tg_origin.tp_row - 1,
674 gfx_state.tg_fb.fb_width, gfx_state.tg_fb.fb_height, 1);
675 gfx_fb_drawrect(0, gfx_state.tg_origin.tp_row,
676 gfx_state.tg_origin.tp_col,
677 gfx_state.tg_fb.fb_height - gfx_state.tg_origin.tp_row - 1, 1);
679 gfx_state.tg_fb.fb_width - gfx_state.tg_origin.tp_col - 1,
680 gfx_state.tg_origin.tp_row, gfx_state.tg_fb.fb_width,
681 gfx_state.tg_fb.fb_height, 1);
683 attr.ta_fgcolor = fg;
684 teken_set_defattr(&gfx_state.tg_teken, &attr);
688 * Binary searchable table for CP437 to Unicode conversion.
692 uint16_t unicode_base;
696 static const struct cp437uni cp437unitable[] = {
697 { 0, 0x0000, 0 }, { 1, 0x263A, 1 }, { 3, 0x2665, 1 },
698 { 5, 0x2663, 0 }, { 6, 0x2660, 0 }, { 7, 0x2022, 0 },
699 { 8, 0x25D8, 0 }, { 9, 0x25CB, 0 }, { 10, 0x25D9, 0 },
700 { 11, 0x2642, 0 }, { 12, 0x2640, 0 }, { 13, 0x266A, 1 },
701 { 15, 0x263C, 0 }, { 16, 0x25BA, 0 }, { 17, 0x25C4, 0 },
702 { 18, 0x2195, 0 }, { 19, 0x203C, 0 }, { 20, 0x00B6, 0 },
703 { 21, 0x00A7, 0 }, { 22, 0x25AC, 0 }, { 23, 0x21A8, 0 },
704 { 24, 0x2191, 0 }, { 25, 0x2193, 0 }, { 26, 0x2192, 0 },
705 { 27, 0x2190, 0 }, { 28, 0x221F, 0 }, { 29, 0x2194, 0 },
706 { 30, 0x25B2, 0 }, { 31, 0x25BC, 0 }, { 32, 0x0020, 0x5e },
707 { 127, 0x2302, 0 }, { 128, 0x00C7, 0 }, { 129, 0x00FC, 0 },
708 { 130, 0x00E9, 0 }, { 131, 0x00E2, 0 }, { 132, 0x00E4, 0 },
709 { 133, 0x00E0, 0 }, { 134, 0x00E5, 0 }, { 135, 0x00E7, 0 },
710 { 136, 0x00EA, 1 }, { 138, 0x00E8, 0 }, { 139, 0x00EF, 0 },
711 { 140, 0x00EE, 0 }, { 141, 0x00EC, 0 }, { 142, 0x00C4, 1 },
712 { 144, 0x00C9, 0 }, { 145, 0x00E6, 0 }, { 146, 0x00C6, 0 },
713 { 147, 0x00F4, 0 }, { 148, 0x00F6, 0 }, { 149, 0x00F2, 0 },
714 { 150, 0x00FB, 0 }, { 151, 0x00F9, 0 }, { 152, 0x00FF, 0 },
715 { 153, 0x00D6, 0 }, { 154, 0x00DC, 0 }, { 155, 0x00A2, 1 },
716 { 157, 0x00A5, 0 }, { 158, 0x20A7, 0 }, { 159, 0x0192, 0 },
717 { 160, 0x00E1, 0 }, { 161, 0x00ED, 0 }, { 162, 0x00F3, 0 },
718 { 163, 0x00FA, 0 }, { 164, 0x00F1, 0 }, { 165, 0x00D1, 0 },
719 { 166, 0x00AA, 0 }, { 167, 0x00BA, 0 }, { 168, 0x00BF, 0 },
720 { 169, 0x2310, 0 }, { 170, 0x00AC, 0 }, { 171, 0x00BD, 0 },
721 { 172, 0x00BC, 0 }, { 173, 0x00A1, 0 }, { 174, 0x00AB, 0 },
722 { 175, 0x00BB, 0 }, { 176, 0x2591, 2 }, { 179, 0x2502, 0 },
723 { 180, 0x2524, 0 }, { 181, 0x2561, 1 }, { 183, 0x2556, 0 },
724 { 184, 0x2555, 0 }, { 185, 0x2563, 0 }, { 186, 0x2551, 0 },
725 { 187, 0x2557, 0 }, { 188, 0x255D, 0 }, { 189, 0x255C, 0 },
726 { 190, 0x255B, 0 }, { 191, 0x2510, 0 }, { 192, 0x2514, 0 },
727 { 193, 0x2534, 0 }, { 194, 0x252C, 0 }, { 195, 0x251C, 0 },
728 { 196, 0x2500, 0 }, { 197, 0x253C, 0 }, { 198, 0x255E, 1 },
729 { 200, 0x255A, 0 }, { 201, 0x2554, 0 }, { 202, 0x2569, 0 },
730 { 203, 0x2566, 0 }, { 204, 0x2560, 0 }, { 205, 0x2550, 0 },
731 { 206, 0x256C, 0 }, { 207, 0x2567, 1 }, { 209, 0x2564, 1 },
732 { 211, 0x2559, 0 }, { 212, 0x2558, 0 }, { 213, 0x2552, 1 },
733 { 215, 0x256B, 0 }, { 216, 0x256A, 0 }, { 217, 0x2518, 0 },
734 { 218, 0x250C, 0 }, { 219, 0x2588, 0 }, { 220, 0x2584, 0 },
735 { 221, 0x258C, 0 }, { 222, 0x2590, 0 }, { 223, 0x2580, 0 },
736 { 224, 0x03B1, 0 }, { 225, 0x00DF, 0 }, { 226, 0x0393, 0 },
737 { 227, 0x03C0, 0 }, { 228, 0x03A3, 0 }, { 229, 0x03C3, 0 },
738 { 230, 0x00B5, 0 }, { 231, 0x03C4, 0 }, { 232, 0x03A6, 0 },
739 { 233, 0x0398, 0 }, { 234, 0x03A9, 0 }, { 235, 0x03B4, 0 },
740 { 236, 0x221E, 0 }, { 237, 0x03C6, 0 }, { 238, 0x03B5, 0 },
741 { 239, 0x2229, 0 }, { 240, 0x2261, 0 }, { 241, 0x00B1, 0 },
742 { 242, 0x2265, 0 }, { 243, 0x2264, 0 }, { 244, 0x2320, 1 },
743 { 246, 0x00F7, 0 }, { 247, 0x2248, 0 }, { 248, 0x00B0, 0 },
744 { 249, 0x2219, 0 }, { 250, 0x00B7, 0 }, { 251, 0x221A, 0 },
745 { 252, 0x207F, 0 }, { 253, 0x00B2, 0 }, { 254, 0x25A0, 0 },
750 vga_cp437_to_uni(uint8_t c)
755 max = (sizeof(cp437unitable) / sizeof(struct cp437uni)) - 1;
758 mid = (min + max) / 2;
759 if (c < cp437unitable[mid].cp437_base)
761 else if (c > cp437unitable[mid].cp437_base +
762 cp437unitable[mid].length)
765 return (c - cp437unitable[mid].cp437_base +
766 cp437unitable[mid].unicode_base);
773 * install font for text mode
776 vidc_install_font(void)
780 uint8_t volatile *to;
784 teken_attr_t a = { 0 };
786 /* We can only program VGA registers. */
790 if (gfx_state.tg_fb_type != FB_TEXT)
793 /* Sync-reset the sequencer registers */
794 vga_set_seq(VGA_REG_BASE, VGA_SEQ_RESET, VGA_SEQ_RST_NAR);
796 reg[0] = vga_get_seq(VGA_REG_BASE, VGA_SEQ_MAP_MASK);
797 reg[1] = vga_get_seq(VGA_REG_BASE, VGA_SEQ_CLOCKING_MODE);
798 reg[2] = vga_get_seq(VGA_REG_BASE, VGA_SEQ_MEMORY_MODE);
799 reg[3] = vga_get_grc(VGA_REG_BASE, VGA_GC_READ_MAP_SELECT);
800 reg[4] = vga_get_grc(VGA_REG_BASE, VGA_GC_MODE);
801 reg[5] = vga_get_grc(VGA_REG_BASE, VGA_GC_MISCELLANEOUS);
802 reg[6] = vga_get_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL);
805 vga_set_seq(VGA_REG_BASE, VGA_SEQ_CLOCKING_MODE,
806 reg[1] | VGA_SEQ_CM_SO);
809 * enable write to plane2, since fonts
810 * could only be loaded into plane2
812 vga_set_seq(VGA_REG_BASE, VGA_SEQ_MAP_MASK, VGA_SEQ_MM_EM2);
814 * sequentially access data in the bit map being
815 * selected by MapMask register (index 0x02)
817 vga_set_seq(VGA_REG_BASE, VGA_SEQ_MEMORY_MODE, 0x07);
818 /* Sync-reset ended, and allow the sequencer to operate */
819 vga_set_seq(VGA_REG_BASE, VGA_SEQ_RESET,
820 VGA_SEQ_RST_SR | VGA_SEQ_RST_NAR);
823 * select plane 2 on Read Mode 0
825 vga_set_grc(VGA_REG_BASE, VGA_GC_READ_MAP_SELECT, 0x02);
827 * system addresses sequentially access data, follow
828 * Memory Mode register bit 2 in the sequencer
830 vga_set_grc(VGA_REG_BASE, VGA_GC_MODE, 0x00);
832 * set range of host memory addresses decoded by VGA
833 * hardware -- A0000h-BFFFFh (128K region)
835 vga_set_grc(VGA_REG_BASE, VGA_GC_MISCELLANEOUS, 0x00);
838 * This assumes 8x16 characters, which yield the traditional 80x25
842 s = 0; /* font slot, maybe should use tunable there. */
843 f_offset = s * 8 * 1024;
844 for (i = 0; i < 256; i++) {
845 c = vga_cp437_to_uni(i);
846 from = font_lookup(&gfx_state.tg_font, c, &a);
847 to = (unsigned char *)ptov(VGA_MEM_BASE) + f_offset +
849 for (j = 0; j < bpc; j++)
853 vga_set_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL, reg[6]);
855 /* Sync-reset the sequencer registers */
856 vga_set_seq(VGA_REG_BASE, VGA_SEQ_RESET, VGA_SEQ_RST_NAR);
857 vga_set_seq(VGA_REG_BASE, VGA_SEQ_MAP_MASK, reg[0]);
858 vga_set_seq(VGA_REG_BASE, VGA_SEQ_MEMORY_MODE, reg[2]);
859 /* Sync-reset ended, and allow the sequencer to operate */
860 vga_set_seq(VGA_REG_BASE, VGA_SEQ_RESET,
861 VGA_SEQ_RST_SR | VGA_SEQ_RST_NAR);
863 /* restore graphic registers */
864 vga_set_grc(VGA_REG_BASE, VGA_GC_READ_MAP_SELECT, reg[3]);
865 vga_set_grc(VGA_REG_BASE, VGA_GC_MODE, reg[4]);
866 vga_set_grc(VGA_REG_BASE, VGA_GC_MISCELLANEOUS, (reg[5] & 0x03) | 0x0c);
869 vga_set_seq(VGA_REG_BASE, VGA_SEQ_CLOCKING_MODE, reg[1] & 0xdf);
873 cons_update_mode(bool use_gfx_mode)
875 const teken_attr_t *a;
878 int format, roff, goff, boff;
880 gfx_state.tg_tp.tp_row = TEXT_ROWS;
881 gfx_state.tg_tp.tp_col = TEXT_COLS;
884 setup_font(&gfx_state, gfx_state.tg_fb.fb_height,
885 gfx_state.tg_fb.fb_width);
886 /* Point of origin in pixels. */
887 gfx_state.tg_origin.tp_row = (gfx_state.tg_fb.fb_height -
888 (gfx_state.tg_tp.tp_row * gfx_state.tg_font.vf_height)) / 2;
889 gfx_state.tg_origin.tp_col = (gfx_state.tg_fb.fb_width -
890 (gfx_state.tg_tp.tp_col * gfx_state.tg_font.vf_width)) / 2;
892 gfx_state.tg_glyph_size = gfx_state.tg_font.vf_height *
893 gfx_state.tg_font.vf_width * 4;
894 free(gfx_state.tg_glyph);
895 gfx_state.tg_glyph = malloc(gfx_state.tg_glyph_size);
896 if (gfx_state.tg_glyph == NULL)
898 gfx_state.tg_functions = &tfx;
899 snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_height);
900 env_setenv("screen.height", EV_VOLATILE | EV_NOHOOK, env,
901 env_noset, env_screen_nounset);
902 snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_width);
903 env_setenv("screen.width", EV_VOLATILE | EV_NOHOOK, env,
904 env_noset, env_screen_nounset);
905 snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_bpp);
906 env_setenv("screen.depth", EV_VOLATILE | EV_NOHOOK, env,
907 env_noset, env_screen_nounset);
909 /* Trigger loading of 8x16 font. */
910 setup_font(&gfx_state,
911 16 * gfx_state.tg_fb.fb_height + BORDER_PIXELS,
912 8 * gfx_state.tg_fb.fb_width + BORDER_PIXELS);
913 gfx_state.tg_functions = &tf;
914 /* ensure the following are not set for text mode */
915 unsetenv("screen.height");
916 unsetenv("screen.width");
917 unsetenv("screen.depth");
922 screen_buffer = malloc(gfx_state.tg_tp.tp_row * gfx_state.tg_tp.tp_col *
923 sizeof(*screen_buffer));
924 if (screen_buffer == NULL)
927 teken_init(&gfx_state.tg_teken, gfx_state.tg_functions, &gfx_state);
929 if (gfx_state.tg_ctype == CT_INDEXED)
930 format = COLOR_FORMAT_VGA;
932 format = COLOR_FORMAT_RGB;
934 roff = ffs(gfx_state.tg_fb.fb_mask_red) - 1;
935 goff = ffs(gfx_state.tg_fb.fb_mask_green) - 1;
936 boff = ffs(gfx_state.tg_fb.fb_mask_blue) - 1;
937 (void) generate_cons_palette(cmap, format,
938 gfx_state.tg_fb.fb_mask_red >> roff, roff,
939 gfx_state.tg_fb.fb_mask_green >> goff, goff,
940 gfx_state.tg_fb.fb_mask_blue >> boff, boff);
942 if (gfx_state.tg_ctype == CT_INDEXED && !use_gfx_mode)
945 teken_set_winsize(&gfx_state.tg_teken, &gfx_state.tg_tp);
946 a = teken_get_defattr(&gfx_state.tg_teken);
950 * On first run, we set up the vidc_set_colors()
951 * callback. If the env is already set, we
952 * pick up fg and bg color values from the environment.
954 ptr = getenv("teken.fg_color");
956 attr.ta_fgcolor = strtol(ptr, NULL, 10);
957 ptr = getenv("teken.bg_color");
958 attr.ta_bgcolor = strtol(ptr, NULL, 10);
960 teken_set_defattr(&gfx_state.tg_teken, &attr);
962 snprintf(env, sizeof(env), "%d", attr.ta_fgcolor);
963 env_setenv("teken.fg_color", EV_VOLATILE, env,
964 vidc_set_colors, env_nounset);
965 snprintf(env, sizeof(env), "%d", attr.ta_bgcolor);
966 env_setenv("teken.bg_color", EV_VOLATILE, env,
967 vidc_set_colors, env_nounset);
970 /* Improve visibility */
971 if (attr.ta_bgcolor == TC_WHITE)
972 attr.ta_bgcolor |= TC_LIGHT;
973 teken_set_defattr(&gfx_state.tg_teken, &attr);
975 snprintf(env, sizeof (env), "%u", (unsigned)gfx_state.tg_tp.tp_row);
976 setenv("LINES", env, 1);
977 snprintf(env, sizeof (env), "%u", (unsigned)gfx_state.tg_tp.tp_col);
978 setenv("COLUMNS", env, 1);
980 /* Draw frame around terminal area. */
981 cons_draw_frame(&attr);
982 /* Erase display, this will also fill our screen buffer. */
983 teken_input(&gfx_state.tg_teken, "\e[2J", 4);
984 gfx_state.tg_functions->tf_param(&gfx_state, TP_SHOWCURSOR, 1);
992 const teken_attr_t *a;
996 if (vidc_started && arg == 0)
1003 * Check Miscellaneous Output Register (Read at 3CCh, Write at 3C2h)
1004 * for bit 1 (Input/Output Address Select), which means
1005 * color/graphics adapter.
1007 if (vga_get_reg(VGA_REG_BASE, VGA_GEN_MISC_OUTPUT_R) & VGA_GEN_MO_IOA)
1008 vgatext = (uint16_t *)PTOV(VGA_TXT_BASE);
1010 vgatext = (uint16_t *)PTOV(VGA_MEM_BASE + VGA_MEM_SIZE);
1012 /* set 16bit colors */
1013 val = vga_get_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL);
1014 val &= ~VGA_AC_MC_BI;
1015 val &= ~VGA_AC_MC_ELG;
1016 vga_set_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL, val);
1018 #if defined(FRAMEBUFFER_MODE)
1019 val = vbe_default_mode();
1020 /* if val is not legal VBE mode, use text mode */
1021 if (VBE_VALID_MODE(val)) {
1022 if (vbe_set_mode(val) != 0)
1023 bios_set_text_mode(VGA_TEXT_MODE);
1027 gfx_framework_init();
1029 if (!cons_update_mode(VBE_VALID_MODE(vbe_get_mode())))
1032 for (int i = 0; i < 10 && vidc_ischar(); i++)
1033 (void) vidc_getchar();
1035 return (0); /* XXX reinit? */
1039 vidc_biosputchar(int c)
1044 v86.eax = 0xe00 | (c & 0xff);
1052 unsigned char ch = c;
1054 if (screen_buffer != NULL)
1055 teken_input(&gfx_state.tg_teken, &ch, sizeof (ch));
1057 vidc_biosputchar(c);
1065 for (i = 0; i < KEYBUFSZ; i++) {
1066 if (keybuf[i] != 0) {
1073 if (vidc_ischar()) {
1078 if ((v86.eax & 0xff) != 0) {
1079 return (v86.eax & 0xff);
1083 switch (v86.eax & 0xff00) {
1084 case 0x4800: /* up */
1087 return (0x1b); /* esc */
1088 case 0x4b00: /* left */
1091 return (0x1b); /* esc */
1092 case 0x4d00: /* right */
1095 return (0x1b); /* esc */
1096 case 0x5000: /* down */
1099 return (0x1b); /* esc */
1113 for (i = 0; i < KEYBUFSZ; i++) {
1114 if (keybuf[i] != 0) {
1119 v86.ctl = V86_FLAGS;
1123 return (!V86_ZR(v86.efl));
1128 #define PROBE_MAXRETRY 5
1129 #define PROBE_MAXWAIT 400
1130 #define IO_DUMMY 0x84
1131 #define IO_KBD 0x060 /* 8042 Keyboard */
1133 /* selected defines from kbdio.h */
1134 #define KBD_STATUS_PORT 4 /* status port, read */
1135 #define KBD_DATA_PORT 0 /* data port, read/write
1136 * also used as keyboard command
1137 * and mouse command port
1139 #define KBDC_ECHO 0x00ee
1140 #define KBDS_ANY_BUFFER_FULL 0x0001
1141 #define KBDS_INPUT_BUFFER_FULL 0x0002
1142 #define KBD_ECHO 0x00ee
1144 /* 7 microsec delay necessary for some keyboard controllers */
1149 * I know this is broken, but no timer is available yet at this stage...
1150 * See also comments in `delay1ms()'.
1152 inb(IO_DUMMY); inb(IO_DUMMY);
1153 inb(IO_DUMMY); inb(IO_DUMMY);
1154 inb(IO_DUMMY); inb(IO_DUMMY);
1158 * This routine uses an inb to an unused port, the time to execute that
1159 * inb is approximately 1.25uS. This value is pretty constant across
1160 * all CPU's and all buses, with the exception of some PCI implentations
1161 * that do not forward this I/O address to the ISA bus as they know it
1162 * is not a valid ISA bus address, those machines execute this inb in
1175 * We use the presence/absence of a keyboard to determine whether the internal
1176 * console can be used for input.
1178 * Perform a simple test on the keyboard; issue the ECHO command and see
1179 * if the right answer is returned. We don't do anything as drastic as
1180 * full keyboard reset; it will be too troublesome and take too much time.
1183 probe_keyboard(void)
1185 int retry = PROBE_MAXRETRY;
1189 while (--retry >= 0) {
1190 /* flush any noise */
1191 while (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) {
1193 inb(IO_KBD + KBD_DATA_PORT);
1197 /* wait until the controller can accept a command */
1198 for (wait = PROBE_MAXWAIT; wait > 0; --wait) {
1199 if (((i = inb(IO_KBD + KBD_STATUS_PORT))
1200 & (KBDS_INPUT_BUFFER_FULL | KBDS_ANY_BUFFER_FULL))
1203 if (i & KBDS_ANY_BUFFER_FULL) {
1205 inb(IO_KBD + KBD_DATA_PORT);
1212 /* send the ECHO command */
1213 outb(IO_KBD + KBD_DATA_PORT, KBDC_ECHO);
1215 /* wait for a response */
1216 for (wait = PROBE_MAXWAIT; wait > 0; --wait) {
1217 if (inb(IO_KBD + KBD_STATUS_PORT) &
1218 KBDS_ANY_BUFFER_FULL)
1226 i = inb(IO_KBD + KBD_DATA_PORT);
1227 #ifdef PROBE_KBD_BEBUG
1228 printf("probe_keyboard: got 0x%x.\n", i);
1230 if (i == KBD_ECHO) {
1231 /* got the right answer */
1238 #endif /* KEYBOARD_PROBE */