source: mainline/uspace/srv/hid/console/console.c@ 2b96463

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 2b96463 was 2b96463, checked in by Vojtech Horky <vojtechhorky@…>, 14 years ago

Merge mainline changes
  • Property mode set to 100644
File size: 23.0 KB
Line 
1/*
2 * Copyright (c) 2006 Josef Cejka
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - 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.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup console
30 * @{
31 */
32/** @file
33 */
34
35#include <libc.h>
36#include <ipc/ipc.h>
37#include <ipc/kbd.h>
38#include <io/keycode.h>
39#include <ipc/mouse.h>
40#include <ipc/fb.h>
41#include <ipc/services.h>
42#include <errno.h>
43#include <ipc/console.h>
44#include <unistd.h>
45#include <async.h>
46#include <adt/fifo.h>
47#include <sys/mman.h>
48#include <stdio.h>
49#include <str.h>
50#include <sysinfo.h>
51#include <event.h>
52#include <devmap.h>
53#include <fcntl.h>
54#include <vfs/vfs.h>
55#include <fibril_synch.h>
56#include <io/style.h>
57#include <io/screenbuffer.h>
58
59#include "console.h"
60#include "gcons.h"
61#include "keybuffer.h"
62
63
64#define NAME "console"
65#define NAMESPACE "term"
66
67/** Phone to the keyboard driver. */
68static int kbd_phone;
69
70/** Phone to the mouse driver. */
71static int mouse_phone;
72
73/** Information about framebuffer */
74struct {
75 int phone; /**< Framebuffer phone */
76 sysarg_t cols; /**< Framebuffer columns */
77 sysarg_t rows; /**< Framebuffer rows */
78 sysarg_t color_cap; /**< Color capabilities (FB_CCAP_xxx) */
79} fb_info;
80
81typedef struct {
82 size_t index; /**< Console index */
83 size_t refcount; /**< Connection reference count */
84 devmap_handle_t devmap_handle; /**< Device handle */
85 keybuffer_t keybuffer; /**< Buffer for incoming keys. */
86 screenbuffer_t scr; /**< Screenbuffer for saving screen
87 contents and related settings. */
88} console_t;
89
90/** Array of data for virtual consoles */
91static console_t consoles[CONSOLE_COUNT];
92
93static console_t *active_console = &consoles[0];
94static console_t *prev_console = &consoles[0];
95static console_t *kernel_console = &consoles[KERNEL_CONSOLE];
96
97/** Pointer to memory shared with framebufer used for
98 faster virtual console switching */
99static keyfield_t *interbuffer = NULL;
100
101/** Information on row-span yet unsent to FB driver. */
102struct {
103 sysarg_t col; /**< Leftmost column of the span. */
104 sysarg_t row; /**< Row where the span lies. */
105 sysarg_t cnt; /**< Width of the span. */
106} fb_pending;
107
108static FIBRIL_MUTEX_INITIALIZE(input_mutex);
109static FIBRIL_CONDVAR_INITIALIZE(input_cv);
110
111static void curs_visibility(bool visible)
112{
113 async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
114}
115
116static void curs_hide_sync(void)
117{
118 ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
119}
120
121static void curs_goto(sysarg_t x, sysarg_t y)
122{
123 async_msg_2(fb_info.phone, FB_CURSOR_GOTO, x, y);
124}
125
126static void screen_clear(void)
127{
128 async_msg_0(fb_info.phone, FB_CLEAR);
129}
130
131static void screen_yield(void)
132{
133 ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_YIELD);
134}
135
136static void screen_reclaim(void)
137{
138 ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_RECLAIM);
139}
140
141static void kbd_yield(void)
142{
143 ipc_call_sync_0_0(kbd_phone, KBD_YIELD);
144}
145
146static void kbd_reclaim(void)
147{
148 ipc_call_sync_0_0(kbd_phone, KBD_RECLAIM);
149}
150
151static void set_style(uint8_t style)
152{
153 async_msg_1(fb_info.phone, FB_SET_STYLE, style);
154}
155
156static void set_color(uint8_t fgcolor, uint8_t bgcolor, uint8_t flags)
157{
158 async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
159}
160
161static void set_rgb_color(uint32_t fgcolor, uint32_t bgcolor)
162{
163 async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor);
164}
165
166static void set_attrs(attrs_t *attrs)
167{
168 switch (attrs->t) {
169 case at_style:
170 set_style(attrs->a.s.style);
171 break;
172 case at_idx:
173 set_color(attrs->a.i.fg_color, attrs->a.i.bg_color,
174 attrs->a.i.flags);
175 break;
176 case at_rgb:
177 set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color);
178 break;
179 }
180}
181
182static int ccap_fb_to_con(sysarg_t ccap_fb, sysarg_t *ccap_con)
183{
184 switch (ccap_fb) {
185 case FB_CCAP_NONE:
186 *ccap_con = CONSOLE_CCAP_NONE;
187 break;
188 case FB_CCAP_STYLE:
189 *ccap_con = CONSOLE_CCAP_STYLE;
190 break;
191 case FB_CCAP_INDEXED:
192 *ccap_con = CONSOLE_CCAP_INDEXED;
193 break;
194 case FB_CCAP_RGB:
195 *ccap_con = CONSOLE_CCAP_RGB;
196 break;
197 default:
198 return EINVAL;
199 }
200
201 return EOK;
202}
203
204/** Send an area of screenbuffer to the FB driver. */
205static void fb_update_area(console_t *cons, sysarg_t x0, sysarg_t y0, sysarg_t width, sysarg_t height)
206{
207 if (interbuffer) {
208 sysarg_t x;
209 sysarg_t y;
210
211 for (y = 0; y < height; y++) {
212 for (x = 0; x < width; x++) {
213 interbuffer[y * width + x] =
214 *get_field_at(&cons->scr, x0 + x, y0 + y);
215 }
216 }
217
218 async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
219 x0, y0, width, height);
220 }
221}
222
223/** Flush pending cells to FB. */
224static void fb_pending_flush(void)
225{
226 if (fb_pending.cnt > 0) {
227 fb_update_area(active_console, fb_pending.col,
228 fb_pending.row, fb_pending.cnt, 1);
229 fb_pending.cnt = 0;
230 }
231}
232
233/** Mark a character cell as changed.
234 *
235 * This adds the cell to the pending rowspan if possible. Otherwise
236 * the old span is flushed first.
237 *
238 */
239static void cell_mark_changed(sysarg_t col, sysarg_t row)
240{
241 if (fb_pending.cnt != 0) {
242 if ((col != fb_pending.col + fb_pending.cnt)
243 || (row != fb_pending.row)) {
244 fb_pending_flush();
245 }
246 }
247
248 if (fb_pending.cnt == 0) {
249 fb_pending.col = col;
250 fb_pending.row = row;
251 }
252
253 fb_pending.cnt++;
254}
255
256/** Print a character to the active VC with buffering. */
257static void fb_putchar(wchar_t c, sysarg_t col, sysarg_t row)
258{
259 async_msg_3(fb_info.phone, FB_PUTCHAR, c, col, row);
260}
261
262/** Process a character from the client (TTY emulation). */
263static void write_char(console_t *cons, wchar_t ch)
264{
265 bool flush_cursor = false;
266
267 switch (ch) {
268 case '\n':
269 fb_pending_flush();
270 flush_cursor = true;
271 cons->scr.position_y++;
272 cons->scr.position_x = 0;
273 break;
274 case '\r':
275 break;
276 case '\t':
277 cons->scr.position_x += 8;
278 cons->scr.position_x -= cons->scr.position_x % 8;
279 break;
280 case '\b':
281 if (cons->scr.position_x == 0)
282 break;
283 cons->scr.position_x--;
284 if (cons == active_console)
285 cell_mark_changed(cons->scr.position_x, cons->scr.position_y);
286 screenbuffer_putchar(&cons->scr, ' ');
287 break;
288 default:
289 if (cons == active_console)
290 cell_mark_changed(cons->scr.position_x, cons->scr.position_y);
291
292 screenbuffer_putchar(&cons->scr, ch);
293 cons->scr.position_x++;
294 }
295
296 if (cons->scr.position_x >= cons->scr.size_x) {
297 flush_cursor = true;
298 cons->scr.position_y++;
299 }
300
301 if (cons->scr.position_y >= cons->scr.size_y) {
302 fb_pending_flush();
303 cons->scr.position_y = cons->scr.size_y - 1;
304 screenbuffer_clear_line(&cons->scr, cons->scr.top_line);
305 cons->scr.top_line = (cons->scr.top_line + 1) % cons->scr.size_y;
306
307 if (cons == active_console)
308 async_msg_1(fb_info.phone, FB_SCROLL, 1);
309 }
310
311 if (cons == active_console && flush_cursor)
312 curs_goto(cons->scr.position_x, cons->scr.position_y);
313 cons->scr.position_x = cons->scr.position_x % cons->scr.size_x;
314}
315
316/** Switch to new console */
317static void change_console(console_t *cons)
318{
319 if (cons == active_console) {
320 return;
321 }
322
323 fb_pending_flush();
324
325 if (cons == kernel_console) {
326 async_serialize_start();
327 curs_hide_sync();
328 gcons_in_kernel();
329 screen_yield();
330 kbd_yield();
331 async_serialize_end();
332
333 if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
334 prev_console = active_console;
335 active_console = kernel_console;
336 } else
337 cons = active_console;
338 }
339
340 if (cons != kernel_console) {
341 async_serialize_start();
342
343 if (active_console == kernel_console) {
344 screen_reclaim();
345 kbd_reclaim();
346 gcons_redraw_console();
347 }
348
349 active_console = cons;
350 gcons_change_console(cons->index);
351
352 set_attrs(&cons->scr.attrs);
353 curs_visibility(false);
354
355 sysarg_t x;
356 sysarg_t y;
357 int rc = 0;
358
359 if (interbuffer) {
360 for (y = 0; y < cons->scr.size_y; y++) {
361 for (x = 0; x < cons->scr.size_x; x++) {
362 interbuffer[y * cons->scr.size_x + x] =
363 *get_field_at(&cons->scr, x, y);
364 }
365 }
366
367 /* This call can preempt, but we are already at the end */
368 rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
369 0, 0, cons->scr.size_x,
370 cons->scr.size_y);
371 }
372
373 if ((!interbuffer) || (rc != 0)) {
374 set_attrs(&cons->scr.attrs);
375 screen_clear();
376
377 for (y = 0; y < cons->scr.size_y; y++)
378 for (x = 0; x < cons->scr.size_x; x++) {
379 keyfield_t *field = get_field_at(&cons->scr, x, y);
380
381 if (!attrs_same(cons->scr.attrs, field->attrs))
382 set_attrs(&field->attrs);
383
384 cons->scr.attrs = field->attrs;
385 if ((field->character == ' ') &&
386 (attrs_same(field->attrs, cons->scr.attrs)))
387 continue;
388
389 fb_putchar(field->character, x, y);
390 }
391 }
392
393 curs_goto(cons->scr.position_x, cons->scr.position_y);
394 curs_visibility(cons->scr.is_cursor_visible);
395
396 async_serialize_end();
397 }
398}
399
400/** Handler for keyboard */
401static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
402{
403 /* Ignore parameters, the connection is already opened */
404 while (true) {
405 ipc_call_t call;
406 ipc_callid_t callid = async_get_call(&call);
407
408 int retval;
409 console_event_t ev;
410
411 switch (IPC_GET_IMETHOD(call)) {
412 case IPC_M_PHONE_HUNGUP:
413 /* TODO: Handle hangup */
414 return;
415 case KBD_EVENT:
416 /* Got event from keyboard driver. */
417 retval = 0;
418 ev.type = IPC_GET_ARG1(call);
419 ev.key = IPC_GET_ARG2(call);
420 ev.mods = IPC_GET_ARG3(call);
421 ev.c = IPC_GET_ARG4(call);
422
423 if ((ev.key >= KC_F1) && (ev.key < KC_F1 +
424 CONSOLE_COUNT) && ((ev.mods & KM_CTRL) == 0)) {
425 if (ev.key == KC_F1 + KERNEL_CONSOLE)
426 change_console(kernel_console);
427 else
428 change_console(&consoles[ev.key - KC_F1]);
429 break;
430 }
431
432 fibril_mutex_lock(&input_mutex);
433 keybuffer_push(&active_console->keybuffer, &ev);
434 fibril_condvar_broadcast(&input_cv);
435 fibril_mutex_unlock(&input_mutex);
436 break;
437 default:
438 retval = ENOENT;
439 }
440 ipc_answer_0(callid, retval);
441 }
442}
443
444/** Handler for mouse events */
445static void mouse_events(ipc_callid_t iid, ipc_call_t *icall)
446{
447 /* Ignore parameters, the connection is already opened */
448 while (true) {
449 ipc_call_t call;
450 ipc_callid_t callid = async_get_call(&call);
451
452 int retval;
453
454 switch (IPC_GET_IMETHOD(call)) {
455 case IPC_M_PHONE_HUNGUP:
456 /* TODO: Handle hangup */
457 return;
458 case MEVENT_BUTTON:
459 if (IPC_GET_ARG1(call) == 1) {
460 int newcon = gcons_mouse_btn((bool) IPC_GET_ARG2(call));
461 if (newcon != -1) {
462 change_console(&consoles[newcon]);
463 }
464 }
465 retval = 0;
466 break;
467 case MEVENT_MOVE:
468 gcons_mouse_move((int) IPC_GET_ARG1(call),
469 (int) IPC_GET_ARG2(call));
470 retval = 0;
471 break;
472 default:
473 retval = ENOENT;
474 }
475
476 ipc_answer_0(callid, retval);
477 }
478}
479
480static void cons_write(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
481{
482 void *buf;
483 size_t size;
484 int rc = async_data_write_accept(&buf, false, 0, 0, 0, &size);
485
486 if (rc != EOK) {
487 ipc_answer_0(rid, rc);
488 return;
489 }
490
491 async_serialize_start();
492
493 size_t off = 0;
494 while (off < size) {
495 wchar_t ch = str_decode(buf, &off, size);
496 write_char(cons, ch);
497 }
498
499 async_serialize_end();
500
501 gcons_notify_char(cons->index);
502 ipc_answer_1(rid, EOK, size);
503
504 free(buf);
505}
506
507static void cons_read(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
508{
509 ipc_callid_t callid;
510 size_t size;
511 if (!async_data_read_receive(&callid, &size)) {
512 ipc_answer_0(callid, EINVAL);
513 ipc_answer_0(rid, EINVAL);
514 return;
515 }
516
517 char *buf = (char *) malloc(size);
518 if (buf == NULL) {
519 ipc_answer_0(callid, ENOMEM);
520 ipc_answer_0(rid, ENOMEM);
521 return;
522 }
523
524 size_t pos = 0;
525 console_event_t ev;
526 fibril_mutex_lock(&input_mutex);
527
528recheck:
529 while ((keybuffer_pop(&cons->keybuffer, &ev)) && (pos < size)) {
530 if (ev.type == KEY_PRESS) {
531 buf[pos] = ev.c;
532 pos++;
533 }
534 }
535
536 if (pos == size) {
537 (void) async_data_read_finalize(callid, buf, size);
538 ipc_answer_1(rid, EOK, size);
539 free(buf);
540 } else {
541 fibril_condvar_wait(&input_cv, &input_mutex);
542 goto recheck;
543 }
544
545 fibril_mutex_unlock(&input_mutex);
546}
547
548static void cons_get_event(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
549{
550 console_event_t ev;
551
552 fibril_mutex_lock(&input_mutex);
553
554recheck:
555 if (keybuffer_pop(&cons->keybuffer, &ev)) {
556 ipc_answer_4(rid, EOK, ev.type, ev.key, ev.mods, ev.c);
557 } else {
558 fibril_condvar_wait(&input_cv, &input_mutex);
559 goto recheck;
560 }
561
562 fibril_mutex_unlock(&input_mutex);
563}
564
565/** Default thread for new connections */
566static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
567{
568 console_t *cons = NULL;
569
570 size_t i;
571 for (i = 0; i < CONSOLE_COUNT; i++) {
572 if (i == KERNEL_CONSOLE)
573 continue;
574
575 if (consoles[i].devmap_handle == (devmap_handle_t) IPC_GET_ARG1(*icall)) {
576 cons = &consoles[i];
577 break;
578 }
579 }
580
581 if (cons == NULL) {
582 ipc_answer_0(iid, ENOENT);
583 return;
584 }
585
586 ipc_callid_t callid;
587 ipc_call_t call;
588 sysarg_t arg1;
589 sysarg_t arg2;
590 sysarg_t arg3;
591
592 int rc;
593
594 async_serialize_start();
595 if (cons->refcount == 0)
596 gcons_notify_connect(cons->index);
597
598 cons->refcount++;
599
600 /* Accept the connection */
601 ipc_answer_0(iid, EOK);
602
603 while (true) {
604 async_serialize_end();
605 callid = async_get_call(&call);
606 async_serialize_start();
607
608 arg1 = 0;
609 arg2 = 0;
610 arg3 = 0;
611
612 switch (IPC_GET_IMETHOD(call)) {
613 case IPC_M_PHONE_HUNGUP:
614 cons->refcount--;
615 if (cons->refcount == 0)
616 gcons_notify_disconnect(cons->index);
617 return;
618 case VFS_OUT_READ:
619 async_serialize_end();
620 cons_read(cons, callid, &call);
621 async_serialize_start();
622 continue;
623 case VFS_OUT_WRITE:
624 async_serialize_end();
625 cons_write(cons, callid, &call);
626 async_serialize_start();
627 continue;
628 case VFS_OUT_SYNC:
629 fb_pending_flush();
630 if (cons == active_console) {
631 async_req_0_0(fb_info.phone, FB_FLUSH);
632 curs_goto(cons->scr.position_x, cons->scr.position_y);
633 }
634 break;
635 case CONSOLE_CLEAR:
636 /* Send message to fb */
637 if (cons == active_console)
638 async_msg_0(fb_info.phone, FB_CLEAR);
639
640 screenbuffer_clear(&cons->scr);
641
642 break;
643 case CONSOLE_GOTO:
644 screenbuffer_goto(&cons->scr,
645 IPC_GET_ARG1(call), IPC_GET_ARG2(call));
646 if (cons == active_console)
647 curs_goto(IPC_GET_ARG1(call),
648 IPC_GET_ARG2(call));
649 break;
650 case CONSOLE_GET_POS:
651 arg1 = cons->scr.position_x;
652 arg2 = cons->scr.position_y;
653 break;
654 case CONSOLE_GET_SIZE:
655 arg1 = fb_info.cols;
656 arg2 = fb_info.rows;
657 break;
658 case CONSOLE_GET_COLOR_CAP:
659 rc = ccap_fb_to_con(fb_info.color_cap, &arg1);
660 if (rc != EOK) {
661 ipc_answer_0(callid, rc);
662 continue;
663 }
664 break;
665 case CONSOLE_SET_STYLE:
666 fb_pending_flush();
667 arg1 = IPC_GET_ARG1(call);
668 screenbuffer_set_style(&cons->scr, arg1);
669 if (cons == active_console)
670 set_style(arg1);
671 break;
672 case CONSOLE_SET_COLOR:
673 fb_pending_flush();
674 arg1 = IPC_GET_ARG1(call);
675 arg2 = IPC_GET_ARG2(call);
676 arg3 = IPC_GET_ARG3(call);
677 screenbuffer_set_color(&cons->scr, arg1, arg2, arg3);
678 if (cons == active_console)
679 set_color(arg1, arg2, arg3);
680 break;
681 case CONSOLE_SET_RGB_COLOR:
682 fb_pending_flush();
683 arg1 = IPC_GET_ARG1(call);
684 arg2 = IPC_GET_ARG2(call);
685 screenbuffer_set_rgb_color(&cons->scr, arg1, arg2);
686 if (cons == active_console)
687 set_rgb_color(arg1, arg2);
688 break;
689 case CONSOLE_CURSOR_VISIBILITY:
690 fb_pending_flush();
691 arg1 = IPC_GET_ARG1(call);
692 cons->scr.is_cursor_visible = arg1;
693 if (cons == active_console)
694 curs_visibility(arg1);
695 break;
696 case CONSOLE_GET_EVENT:
697 async_serialize_end();
698 cons_get_event(cons, callid, &call);
699 async_serialize_start();
700 continue;
701 case CONSOLE_KCON_ENABLE:
702 change_console(kernel_console);
703 break;
704 }
705 ipc_answer_3(callid, EOK, arg1, arg2, arg3);
706 }
707}
708
709static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
710{
711 change_console(prev_console);
712}
713
714static int connect_keyboard(char *path)
715{
716 int fd = open(path, O_RDONLY);
717 if (fd < 0) {
718 return fd;
719 }
720
721 int phone = fd_phone(fd);
722 if (phone < 0) {
723 printf(NAME ": Failed to connect to input device\n");
724 return phone;
725 }
726
727 /* NB: The callback connection is slotted for removal */
728 sysarg_t phonehash;
729 sysarg_t taskhash;
730 int rc = async_req_3_5(phone, IPC_M_CONNECT_TO_ME, SERVICE_CONSOLE,
731 0, 0, NULL, NULL, NULL, &taskhash, &phonehash);
732 if (rc != EOK) {
733 printf(NAME ": Failed to create callback from input device\n");
734 return rc;
735 }
736
737 async_new_connection(taskhash, phonehash, 0, NULL, keyboard_events);
738
739 printf(NAME ": we got a hit (new keyboard \"%s\").\n", path);
740
741 return phone;
742}
743
744/** Try to connect to given keyboard, bypassing provided libc routines.
745 *
746 * @param devmap_path Path to keyboard without /dev prefix.
747 * @return Phone or error code.
748 */
749static int connect_keyboard_bypass(char *devmap_path)
750{
751 int devmap_phone = async_connect_me_to_blocking(PHONE_NS,
752 SERVICE_DEVMAP, DEVMAP_CLIENT, 0);
753 if (devmap_phone < 0) {
754 return devmap_phone;
755 }
756 ipc_call_t answer;
757 aid_t req = async_send_2(devmap_phone, DEVMAP_DEVICE_GET_HANDLE,
758 0, 0, &answer);
759
760 sysarg_t retval = async_data_write_start(devmap_phone,
761 devmap_path, str_size(devmap_path));
762 if (retval != EOK) {
763 async_wait_for(req, NULL);
764 ipc_hangup(devmap_phone);
765 return retval;
766 }
767
768 async_wait_for(req, &retval);
769
770 if (retval != EOK) {
771 ipc_hangup(devmap_phone);
772 return retval;
773 }
774
775 devmap_handle_t handle = (devmap_handle_t) IPC_GET_ARG1(answer);
776
777 ipc_hangup(devmap_phone);
778
779 int phone = async_connect_me_to(PHONE_NS,
780 SERVICE_DEVMAP, DEVMAP_CONNECT_TO_DEVICE, handle);
781 if (phone < 0) {
782 return phone;
783 }
784
785 /* NB: The callback connection is slotted for removal */
786 sysarg_t phonehash;
787 sysarg_t taskhash;
788 int rc = async_req_3_5(phone, IPC_M_CONNECT_TO_ME, SERVICE_CONSOLE,
789 0, 0, NULL, NULL, NULL, &taskhash, &phonehash);
790 if (rc != EOK) {
791 printf(NAME ": Failed to create callback from input device\n");
792 return rc;
793 }
794
795 async_new_connection(taskhash, phonehash, 0, NULL, keyboard_events);
796
797 printf(NAME ": we got a hit (new keyboard \"/dev/%s\").\n",
798 devmap_path);
799
800 return phone;
801}
802
803
804static int check_new_keyboards(void *arg)
805{
806 char *class_name = (char *) arg;
807
808 int index = 1;
809
810 while (true) {
811 async_usleep(1 * 500 * 1000);
812 char *path;
813 int rc = asprintf(&path, "class/%s\\%d", class_name, index);
814 if (rc < 0) {
815 continue;
816 }
817 rc = 0;
818 rc = connect_keyboard_bypass(path);
819 if (rc > 0) {
820 /* We do not allow unplug. */
821 index++;
822 }
823
824 free(path);
825 }
826
827 return EOK;
828}
829
830
831/** Start a fibril monitoring hot-plugged keyboards.
832 */
833static void check_new_keyboards_in_background()
834{
835 fid_t fid = fibril_create(check_new_keyboards, (void *)"keyboard");
836 if (!fid) {
837 printf(NAME ": failed to create hot-plug-watch fibril.\n");
838 return;
839 }
840 fibril_add_ready(fid);
841}
842
843static bool console_init(char *input)
844{
845 /* Connect to input device */
846 kbd_phone = connect_keyboard(input);
847 if (kbd_phone < 0) {
848 return false;
849 }
850
851 /* Connect to mouse device */
852 mouse_phone = -1;
853 int mouse_fd = open("/dev/hid_in/mouse", O_RDONLY);
854
855 if (mouse_fd < 0) {
856 printf(NAME ": Notice - failed opening %s\n", "/dev/hid_in/mouse");
857 goto skip_mouse;
858 }
859
860 mouse_phone = fd_phone(mouse_fd);
861 if (mouse_phone < 0) {
862 printf(NAME ": Failed to connect to mouse device\n");
863 goto skip_mouse;
864 }
865
866 sysarg_t taskhash;
867 sysarg_t phonehash;
868 if (ipc_connect_to_me(mouse_phone, SERVICE_CONSOLE, 0, 0, &taskhash,
869 &phonehash) != 0) {
870 printf(NAME ": Failed to create callback from mouse device\n");
871 mouse_phone = -1;
872 goto skip_mouse;
873 }
874
875 async_new_connection(taskhash, phonehash, 0, NULL, mouse_events);
876skip_mouse:
877
878 /* Connect to framebuffer driver */
879 fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0);
880 if (fb_info.phone < 0) {
881 printf(NAME ": Failed to connect to video service\n");
882 return -1;
883 }
884
885 /* Register driver */
886 int rc = devmap_driver_register(NAME, client_connection);
887 if (rc < 0) {
888 printf(NAME ": Unable to register driver (%d)\n", rc);
889 return false;
890 }
891
892 /* Initialize gcons */
893 gcons_init(fb_info.phone);
894
895 /* Synchronize, the gcons could put something in queue */
896 async_req_0_0(fb_info.phone, FB_FLUSH);
897 async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.cols, &fb_info.rows);
898 async_req_0_1(fb_info.phone, FB_GET_COLOR_CAP, &fb_info.color_cap);
899
900 /* Set up shared memory buffer. */
901 size_t ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
902 interbuffer = as_get_mappable_page(ib_size);
903
904 if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
905 AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer)
906 interbuffer = NULL;
907
908 if (interbuffer) {
909 if (async_share_out_start(fb_info.phone, interbuffer,
910 AS_AREA_READ) != EOK) {
911 as_area_destroy(interbuffer);
912 interbuffer = NULL;
913 }
914 }
915
916 fb_pending.cnt = 0;
917
918 /* Inititalize consoles */
919 size_t i;
920 for (i = 0; i < CONSOLE_COUNT; i++) {
921 if (i != KERNEL_CONSOLE) {
922 if (screenbuffer_init(&consoles[i].scr,
923 fb_info.cols, fb_info.rows) == NULL) {
924 printf(NAME ": Unable to allocate screen buffer %zu\n", i);
925 return false;
926 }
927 screenbuffer_clear(&consoles[i].scr);
928 keybuffer_init(&consoles[i].keybuffer);
929 consoles[i].index = i;
930 consoles[i].refcount = 0;
931
932 char vc[DEVMAP_NAME_MAXLEN + 1];
933 snprintf(vc, DEVMAP_NAME_MAXLEN, "%s/vc%zu", NAMESPACE, i);
934
935 if (devmap_device_register(vc, &consoles[i].devmap_handle) != EOK) {
936 printf(NAME ": Unable to register device %s\n", vc);
937 return false;
938 }
939 }
940 }
941
942 /* Disable kernel output to the console */
943 __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
944
945 /* Initialize the screen */
946 async_serialize_start();
947 gcons_redraw_console();
948 set_style(STYLE_NORMAL);
949 screen_clear();
950 curs_goto(0, 0);
951 curs_visibility(active_console->scr.is_cursor_visible);
952 async_serialize_end();
953
954 /* Receive kernel notifications */
955 if (event_subscribe(EVENT_KCONSOLE, 0) != EOK)
956 printf(NAME ": Error registering kconsole notifications\n");
957
958 async_set_interrupt_received(interrupt_received);
959
960 /* Start fibril for checking on hot-plugged keyboards. */
961 check_new_keyboards_in_background();
962
963 return true;
964}
965
966static void usage(void)
967{
968 printf("Usage: console <input>\n");
969}
970
971int main(int argc, char *argv[])
972{
973 if (argc < 2) {
974 usage();
975 return -1;
976 }
977
978 printf(NAME ": HelenOS Console service\n");
979
980 if (!console_init(argv[1]))
981 return -1;
982
983 printf(NAME ": Accepting connections\n");
984 async_manager();
985
986 return 0;
987}
988
989/** @}
990 */
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