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authorFranklin Wei <git@fwei.tk>2018-02-07 20:04:46 -0500
committerFranklin Wei <git@fwei.tk>2018-03-12 20:52:01 -0400
commit6039eb05ba6d82ef56f2868c96654c552d117bf9 (patch)
tree9db7016bcbf66cfdf7b9bc998d84c6eaff9c8378 /apps/plugins/sdl/src/video/fbcon/SDL_fbevents.c
parentef373c03b96b0be08babca581d9f10bccfd4931f (diff)
downloadrockbox-6039eb05ba6d82ef56f2868c96654c552d117bf9.tar.gz
rockbox-6039eb05ba6d82ef56f2868c96654c552d117bf9.zip
sdl: remove non-rockbox drivers
We never use any of these other drivers, so having them around just takes up space. Change-Id: Iced812162df1fef3fd55522b7e700acb6c3bcd41
Diffstat (limited to 'apps/plugins/sdl/src/video/fbcon/SDL_fbevents.c')
-rw-r--r--apps/plugins/sdl/src/video/fbcon/SDL_fbevents.c1254
1 files changed, 0 insertions, 1254 deletions
diff --git a/apps/plugins/sdl/src/video/fbcon/SDL_fbevents.c b/apps/plugins/sdl/src/video/fbcon/SDL_fbevents.c
deleted file mode 100644
index 5e369a4a89..0000000000
--- a/apps/plugins/sdl/src/video/fbcon/SDL_fbevents.c
+++ /dev/null
@@ -1,1254 +0,0 @@
1/*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2012 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24/* Handle the event stream, converting console events into SDL events */
25
26#include <stdio.h>
27#include <sys/types.h>
28#include <sys/time.h>
29#include <sys/ioctl.h>
30#include <unistd.h>
31#include <fcntl.h>
32#include <errno.h>
33#include <limits.h>
34
35/* For parsing /proc */
36#include <dirent.h>
37#include <ctype.h>
38
39#include <linux/vt.h>
40#include <linux/kd.h>
41#include <linux/keyboard.h>
42
43#include "SDL_timer.h"
44#include "SDL_mutex.h"
45#include "../SDL_sysvideo.h"
46#include "../../events/SDL_sysevents.h"
47#include "../../events/SDL_events_c.h"
48#include "SDL_fbvideo.h"
49#include "SDL_fbevents_c.h"
50#include "SDL_fbkeys.h"
51
52#include "SDL_fbelo.h"
53
54#ifndef GPM_NODE_FIFO
55#define GPM_NODE_FIFO "/dev/gpmdata"
56#endif
57
58/*#define DEBUG_KEYBOARD*/
59/*#define DEBUG_MOUSE*/
60
61/* The translation tables from a console scancode to a SDL keysym */
62#define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT)
63static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS];
64static SDLKey keymap[128];
65static Uint16 keymap_temp[128]; /* only used at startup */
66static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
67
68/* Ugh, we have to duplicate the kernel's keysym mapping code...
69 Oh, it's not so bad. :-)
70
71 FIXME: Add keyboard LED handling code
72 */
73static void FB_vgainitkeymaps(int fd)
74{
75 struct kbentry entry;
76 int map, i;
77
78 /* Don't do anything if we are passed a closed keyboard */
79 if ( fd < 0 ) {
80 return;
81 }
82
83 /* Load all the keysym mappings */
84 for ( map=0; map<NUM_VGAKEYMAPS; ++map ) {
85 SDL_memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16));
86 for ( i=0; i<NR_KEYS; ++i ) {
87 entry.kb_table = map;
88 entry.kb_index = i;
89 if ( ioctl(fd, KDGKBENT, &entry) == 0 ) {
90 /* fill keytemp. This replaces SDL_fbkeys.h */
91 if ( (map == 0) && (i<128) ) {
92 keymap_temp[i] = entry.kb_value;
93 }
94 /* The "Enter" key is a special case */
95 if ( entry.kb_value == K_ENTER ) {
96 entry.kb_value = K(KT_ASCII,13);
97 }
98 /* Handle numpad specially as well */
99 if ( KTYP(entry.kb_value) == KT_PAD ) {
100 switch ( entry.kb_value ) {
101 case K_P0:
102 case K_P1:
103 case K_P2:
104 case K_P3:
105 case K_P4:
106 case K_P5:
107 case K_P6:
108 case K_P7:
109 case K_P8:
110 case K_P9:
111 vga_keymap[map][i]=entry.kb_value;
112 vga_keymap[map][i]+= '0';
113 break;
114 case K_PPLUS:
115 vga_keymap[map][i]=K(KT_ASCII,'+');
116 break;
117 case K_PMINUS:
118 vga_keymap[map][i]=K(KT_ASCII,'-');
119 break;
120 case K_PSTAR:
121 vga_keymap[map][i]=K(KT_ASCII,'*');
122 break;
123 case K_PSLASH:
124 vga_keymap[map][i]=K(KT_ASCII,'/');
125 break;
126 case K_PENTER:
127 vga_keymap[map][i]=K(KT_ASCII,'\r');
128 break;
129 case K_PCOMMA:
130 vga_keymap[map][i]=K(KT_ASCII,',');
131 break;
132 case K_PDOT:
133 vga_keymap[map][i]=K(KT_ASCII,'.');
134 break;
135 default:
136 break;
137 }
138 }
139 /* Do the normal key translation */
140 if ( (KTYP(entry.kb_value) == KT_LATIN) ||
141 (KTYP(entry.kb_value) == KT_ASCII) ||
142 (KTYP(entry.kb_value) == KT_LETTER) ) {
143 vga_keymap[map][i] = entry.kb_value;
144 }
145 }
146 }
147 }
148}
149
150int FB_InGraphicsMode(_THIS)
151{
152 return((keyboard_fd >= 0) && (saved_kbd_mode >= 0));
153}
154
155int FB_EnterGraphicsMode(_THIS)
156{
157 struct termios keyboard_termios;
158
159 /* Set medium-raw keyboard mode */
160 if ( (keyboard_fd >= 0) && !FB_InGraphicsMode(this) ) {
161
162 /* Switch to the correct virtual terminal */
163 if ( current_vt > 0 ) {
164 struct vt_stat vtstate;
165
166 if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) {
167 saved_vt = vtstate.v_active;
168 }
169 if ( ioctl(keyboard_fd, VT_ACTIVATE, current_vt) == 0 ) {
170 ioctl(keyboard_fd, VT_WAITACTIVE, current_vt);
171 }
172 }
173
174 /* Set the terminal input mode */
175 if ( tcgetattr(keyboard_fd, &saved_kbd_termios) < 0 ) {
176 SDL_SetError("Unable to get terminal attributes");
177 if ( keyboard_fd > 0 ) {
178 close(keyboard_fd);
179 }
180 keyboard_fd = -1;
181 return(-1);
182 }
183 if ( ioctl(keyboard_fd, KDGKBMODE, &saved_kbd_mode) < 0 ) {
184 SDL_SetError("Unable to get current keyboard mode");
185 if ( keyboard_fd > 0 ) {
186 close(keyboard_fd);
187 }
188 keyboard_fd = -1;
189 return(-1);
190 }
191 keyboard_termios = saved_kbd_termios;
192 keyboard_termios.c_lflag &= ~(ICANON | ECHO | ISIG);
193 keyboard_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
194 keyboard_termios.c_cc[VMIN] = 0;
195 keyboard_termios.c_cc[VTIME] = 0;
196 if (tcsetattr(keyboard_fd, TCSAFLUSH, &keyboard_termios) < 0) {
197 FB_CloseKeyboard(this);
198 SDL_SetError("Unable to set terminal attributes");
199 return(-1);
200 }
201 /* This will fail if we aren't root or this isn't our tty */
202 if ( ioctl(keyboard_fd, KDSKBMODE, K_MEDIUMRAW) < 0 ) {
203 FB_CloseKeyboard(this);
204 SDL_SetError("Unable to set keyboard in raw mode");
205 return(-1);
206 }
207 if ( ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS) < 0 ) {
208 FB_CloseKeyboard(this);
209 SDL_SetError("Unable to set keyboard in graphics mode");
210 return(-1);
211 }
212 /* Prevent switching the virtual terminal */
213 ioctl(keyboard_fd, VT_LOCKSWITCH, 1);
214 }
215 return(keyboard_fd);
216}
217
218void FB_LeaveGraphicsMode(_THIS)
219{
220 if ( FB_InGraphicsMode(this) ) {
221 ioctl(keyboard_fd, KDSETMODE, KD_TEXT);
222 ioctl(keyboard_fd, KDSKBMODE, saved_kbd_mode);
223 tcsetattr(keyboard_fd, TCSAFLUSH, &saved_kbd_termios);
224 saved_kbd_mode = -1;
225
226 /* Head back over to the original virtual terminal */
227 ioctl(keyboard_fd, VT_UNLOCKSWITCH, 1);
228 if ( saved_vt > 0 ) {
229 ioctl(keyboard_fd, VT_ACTIVATE, saved_vt);
230 }
231 }
232}
233
234void FB_CloseKeyboard(_THIS)
235{
236 if ( keyboard_fd >= 0 ) {
237 FB_LeaveGraphicsMode(this);
238 if ( keyboard_fd > 0 ) {
239 close(keyboard_fd);
240 }
241 }
242 keyboard_fd = -1;
243}
244
245int FB_OpenKeyboard(_THIS)
246{
247 /* Open only if not already opened */
248 if ( keyboard_fd < 0 ) {
249 static const char * const tty0[] = { "/dev/tty0", "/dev/vc/0", NULL };
250 static const char * const vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL };
251 int i, tty0_fd;
252
253 /* Try to query for a free virtual terminal */
254 tty0_fd = -1;
255 for ( i=0; tty0[i] && (tty0_fd < 0); ++i ) {
256 tty0_fd = open(tty0[i], O_WRONLY, 0);
257 }
258 if ( tty0_fd < 0 ) {
259 tty0_fd = dup(0); /* Maybe stdin is a VT? */
260 }
261 ioctl(tty0_fd, VT_OPENQRY, &current_vt);
262 close(tty0_fd);
263 if ( (geteuid() == 0) && (current_vt > 0) ) {
264 for ( i=0; vcs[i] && (keyboard_fd < 0); ++i ) {
265 char vtpath[12];
266
267 SDL_snprintf(vtpath, SDL_arraysize(vtpath), vcs[i], current_vt);
268 keyboard_fd = open(vtpath, O_RDWR, 0);
269#ifdef DEBUG_KEYBOARD
270 fprintf(stderr, "vtpath = %s, fd = %d\n",
271 vtpath, keyboard_fd);
272#endif /* DEBUG_KEYBOARD */
273
274 /* This needs to be our controlling tty
275 so that the kernel ioctl() calls work
276 */
277 if ( keyboard_fd >= 0 ) {
278 tty0_fd = open("/dev/tty", O_RDWR, 0);
279 if ( tty0_fd >= 0 ) {
280 ioctl(tty0_fd, TIOCNOTTY, 0);
281 close(tty0_fd);
282 }
283 }
284 }
285 }
286 if ( keyboard_fd < 0 ) {
287 /* Last resort, maybe our tty is a usable VT */
288 struct vt_stat vtstate;
289
290 keyboard_fd = open("/dev/tty", O_RDWR);
291
292 if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) {
293 current_vt = vtstate.v_active;
294 } else {
295 current_vt = 0;
296 }
297 }
298#ifdef DEBUG_KEYBOARD
299 fprintf(stderr, "Current VT: %d\n", current_vt);
300#endif
301 saved_kbd_mode = -1;
302
303 /* Make sure that our input is a console terminal */
304 { int dummy;
305 if ( ioctl(keyboard_fd, KDGKBMODE, &dummy) < 0 ) {
306 close(keyboard_fd);
307 keyboard_fd = -1;
308 SDL_SetError("Unable to open a console terminal");
309 }
310 }
311
312 /* Set up keymap */
313 FB_vgainitkeymaps(keyboard_fd);
314 }
315 return(keyboard_fd);
316}
317
318static enum {
319 MOUSE_NONE = -1,
320 MOUSE_MSC, /* Note: GPM uses the MSC protocol */
321 MOUSE_PS2,
322 MOUSE_IMPS2,
323 MOUSE_MS,
324 MOUSE_BM,
325 MOUSE_ELO,
326 MOUSE_TSLIB,
327 NUM_MOUSE_DRVS
328} mouse_drv = MOUSE_NONE;
329
330void FB_CloseMouse(_THIS)
331{
332#if SDL_INPUT_TSLIB
333 if (ts_dev != NULL) {
334 ts_close(ts_dev);
335 ts_dev = NULL;
336 mouse_fd = -1;
337 }
338#endif /* SDL_INPUT_TSLIB */
339 if ( mouse_fd > 0 ) {
340 close(mouse_fd);
341 }
342 mouse_fd = -1;
343}
344
345/* Returns processes listed in /proc with the desired name */
346static int find_pid(DIR *proc, const char *wanted_name)
347{
348 struct dirent *entry;
349 int pid;
350
351 /* First scan proc for the gpm process */
352 pid = 0;
353 while ( (pid == 0) && ((entry=readdir(proc)) != NULL) ) {
354 if ( isdigit(entry->d_name[0]) ) {
355 FILE *status;
356 char path[PATH_MAX];
357 char name[PATH_MAX];
358
359 SDL_snprintf(path, SDL_arraysize(path), "/proc/%s/status", entry->d_name);
360 status=fopen(path, "r");
361 if ( status ) {
362 int matches = 0;
363 name[0] = '\0';
364 matches = fscanf(status, "Name: %s", name);
365 if ( (matches == 1) && (SDL_strcmp(name, wanted_name) == 0) ) {
366 pid = SDL_atoi(entry->d_name);
367 }
368 fclose(status);
369 }
370 }
371 }
372 return pid;
373}
374
375/* Returns true if /dev/gpmdata is being written to by gpm */
376static int gpm_available(char *proto, size_t protolen)
377{
378 int available;
379 DIR *proc;
380 int pid;
381 int cmdline, len, arglen;
382 char path[PATH_MAX];
383 char args[PATH_MAX], *arg;
384
385 /* Don't bother looking if the fifo isn't there */
386#ifdef DEBUG_MOUSE
387 fprintf(stderr,"testing gpm\n");
388#endif
389 if ( access(GPM_NODE_FIFO, F_OK) < 0 ) {
390 return(0);
391 }
392
393 available = 0;
394 proc = opendir("/proc");
395 if ( proc ) {
396 char raw_proto[10] = { '\0' };
397 char repeat_proto[10] = { '\0' };
398 while ( !available && (pid=find_pid(proc, "gpm")) > 0 ) {
399 SDL_snprintf(path, SDL_arraysize(path), "/proc/%d/cmdline", pid);
400 cmdline = open(path, O_RDONLY, 0);
401 if ( cmdline >= 0 ) {
402 len = read(cmdline, args, sizeof(args));
403 arg = args;
404 while ( len > 0 ) {
405 arglen = SDL_strlen(arg)+1;
406#ifdef DEBUG_MOUSE
407 fprintf(stderr,"gpm arg %s len %d\n",arg,arglen);
408#endif
409 if ( SDL_strcmp(arg, "-t") == 0) {
410 /* protocol string, keep it for later */
411 char *t, *s;
412 t = arg + arglen;
413 s = SDL_strchr(t, ' ');
414 if (s) *s = 0;
415 SDL_strlcpy(raw_proto, t, SDL_arraysize(raw_proto));
416 if (s) *s = ' ';
417 }
418 if ( SDL_strncmp(arg, "-R", 2) == 0 ) {
419 char *t, *s;
420 available = 1;
421 t = arg + 2;
422 s = SDL_strchr(t, ' ');
423 if (s) *s = 0;
424 SDL_strlcpy(repeat_proto, t, SDL_arraysize(repeat_proto));
425 if (s) *s = ' ';
426 }
427 len -= arglen;
428 arg += arglen;
429 }
430 close(cmdline);
431 }
432 }
433 closedir(proc);
434
435 if ( available ) {
436 if ( SDL_strcmp(repeat_proto, "raw") == 0 ) {
437 SDL_strlcpy(proto, raw_proto, protolen);
438 } else if ( *repeat_proto ) {
439 SDL_strlcpy(proto, repeat_proto, protolen);
440 } else {
441 SDL_strlcpy(proto, "msc", protolen);
442 }
443 }
444 }
445 return available;
446}
447
448
449/* rcg06112001 Set up IMPS/2 mode, if possible. This gives
450 * us access to the mousewheel, etc. Returns zero if
451 * writes to device failed, but you still need to query the
452 * device to see which mode it's actually in.
453 */
454static int set_imps2_mode(int fd)
455{
456 /* If you wanted to control the mouse mode (and we do :) ) ...
457 Set IMPS/2 protocol:
458 {0xf3,200,0xf3,100,0xf3,80}
459 Reset mouse device:
460 {0xFF}
461 */
462 Uint8 set_imps2[] = {0xf3, 200, 0xf3, 100, 0xf3, 80};
463 /*Uint8 reset = 0xff;*/
464 fd_set fdset;
465 struct timeval tv;
466 int retval = 0;
467
468 if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) {
469 /* Don't reset it, that'll clear IMPS/2 mode on some mice
470 if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) {
471 retval = 1;
472 }
473 */
474 }
475
476 /* Get rid of any chatter from the above */
477 FD_ZERO(&fdset);
478 FD_SET(fd, &fdset);
479 tv.tv_sec = 0;
480 tv.tv_usec = 0;
481 while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) {
482 char temp[32];
483 if (read(fd, temp, sizeof(temp)) <= 0) {
484 break;
485 }
486 }
487
488 return retval;
489}
490
491
492/* Returns true if the mouse uses the IMPS/2 protocol */
493static int detect_imps2(int fd)
494{
495 int imps2;
496
497 imps2 = 0;
498
499 if ( SDL_getenv("SDL_MOUSEDEV_IMPS2") ) {
500 imps2 = 1;
501 }
502 if ( ! imps2 ) {
503 Uint8 query_ps2 = 0xF2;
504 fd_set fdset;
505 struct timeval tv;
506
507 /* Get rid of any mouse motion noise */
508 FD_ZERO(&fdset);
509 FD_SET(fd, &fdset);
510 tv.tv_sec = 0;
511 tv.tv_usec = 0;
512 while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) {
513 char temp[32];
514 if (read(fd, temp, sizeof(temp)) <= 0) {
515 break;
516 }
517 }
518
519 /* Query for the type of mouse protocol */
520 if ( write(fd, &query_ps2, sizeof (query_ps2)) == sizeof (query_ps2)) {
521 Uint8 ch = 0;
522
523 /* Get the mouse protocol response */
524 do {
525 FD_ZERO(&fdset);
526 FD_SET(fd, &fdset);
527 tv.tv_sec = 1;
528 tv.tv_usec = 0;
529 if ( select(fd+1, &fdset, 0, 0, &tv) < 1 ) {
530 break;
531 }
532 } while ( (read(fd, &ch, sizeof (ch)) == sizeof (ch)) &&
533 ((ch == 0xFA) || (ch == 0xAA)) );
534
535 /* Experimental values (Logitech wheelmouse) */
536#ifdef DEBUG_MOUSE
537fprintf(stderr, "Last mouse mode: 0x%x\n", ch);
538#endif
539 if ( (ch == 3) || (ch == 4) ) {
540 imps2 = 1;
541 }
542 }
543 }
544 return imps2;
545}
546
547int FB_OpenMouse(_THIS)
548{
549 int i;
550 const char *mousedev;
551 const char *mousedrv;
552
553 mousedrv = SDL_getenv("SDL_MOUSEDRV");
554 mousedev = SDL_getenv("SDL_MOUSEDEV");
555 mouse_fd = -1;
556
557#if SDL_INPUT_TSLIB
558 if ( mousedrv && (SDL_strcmp(mousedrv, "TSLIB") == 0) ) {
559 if (mousedev == NULL) mousedev = SDL_getenv("TSLIB_TSDEVICE");
560 if (mousedev != NULL) {
561 ts_dev = ts_open(mousedev, 1);
562 if ((ts_dev != NULL) && (ts_config(ts_dev) >= 0)) {
563#ifdef DEBUG_MOUSE
564 fprintf(stderr, "Using tslib touchscreen\n");
565#endif
566 mouse_drv = MOUSE_TSLIB;
567 mouse_fd = ts_fd(ts_dev);
568 return mouse_fd;
569 }
570 }
571 mouse_drv = MOUSE_NONE;
572 return mouse_fd;
573 }
574#endif /* SDL_INPUT_TSLIB */
575
576 /* ELO TOUCHSCREEN SUPPORT */
577
578 if ( mousedrv && (SDL_strcmp(mousedrv, "ELO") == 0) ) {
579 mouse_fd = open(mousedev, O_RDWR);
580 if ( mouse_fd >= 0 ) {
581 if(eloInitController(mouse_fd)) {
582#ifdef DEBUG_MOUSE
583fprintf(stderr, "Using ELO touchscreen\n");
584#endif
585 mouse_drv = MOUSE_ELO;
586 }
587
588 }
589 else if ( mouse_fd < 0 ) {
590 mouse_drv = MOUSE_NONE;
591 }
592
593 return(mouse_fd);
594 }
595
596 /* STD MICE */
597
598 if ( mousedev == NULL ) {
599 /* FIXME someday... allow multiple mice in this driver */
600 static const char *ps2mice[] = {
601 "/dev/input/mice", "/dev/usbmouse", "/dev/psaux", NULL
602 };
603 /* First try to use GPM in repeater mode */
604 if ( mouse_fd < 0 ) {
605 char proto[10];
606 if ( gpm_available(proto, SDL_arraysize(proto)) ) {
607 mouse_fd = open(GPM_NODE_FIFO, O_RDONLY, 0);
608 if ( mouse_fd >= 0 ) {
609 if ( SDL_strcmp(proto, "msc") == 0 ) {
610 mouse_drv = MOUSE_MSC;
611 } else if ( SDL_strcmp(proto, "ps2") == 0 ) {
612 mouse_drv = MOUSE_PS2;
613 } else if ( SDL_strcmp(proto, "imps2") == 0 ) {
614 mouse_drv = MOUSE_IMPS2;
615 } else if ( SDL_strcmp(proto, "ms") == 0 ||
616 SDL_strcmp(proto, "bare") == 0 ) {
617 mouse_drv = MOUSE_MS;
618 } else if ( SDL_strcmp(proto, "bm") == 0 ) {
619 mouse_drv = MOUSE_BM;
620 } else {
621 /* Unknown protocol... */
622#ifdef DEBUG_MOUSE
623 fprintf(stderr, "GPM mouse using unknown protocol = %s\n", proto);
624#endif
625 close(mouse_fd);
626 mouse_fd = -1;
627 }
628 }
629#ifdef DEBUG_MOUSE
630 if ( mouse_fd >= 0 ) {
631 fprintf(stderr, "Using GPM mouse, protocol = %s\n", proto);
632 }
633#endif /* DEBUG_MOUSE */
634 }
635 }
636 /* Now try to use a modern PS/2 mouse */
637 for ( i=0; (mouse_fd < 0) && ps2mice[i]; ++i ) {
638 mouse_fd = open(ps2mice[i], O_RDWR, 0);
639 if (mouse_fd < 0) {
640 mouse_fd = open(ps2mice[i], O_RDONLY, 0);
641 }
642 if (mouse_fd >= 0) {
643 /* rcg06112001 Attempt to set IMPS/2 mode */
644 set_imps2_mode(mouse_fd);
645 if (detect_imps2(mouse_fd)) {
646#ifdef DEBUG_MOUSE
647fprintf(stderr, "Using IMPS2 mouse\n");
648#endif
649 mouse_drv = MOUSE_IMPS2;
650 } else {
651#ifdef DEBUG_MOUSE
652fprintf(stderr, "Using PS2 mouse\n");
653#endif
654 mouse_drv = MOUSE_PS2;
655 }
656 }
657 }
658 /* Next try to use a PPC ADB port mouse */
659 if ( mouse_fd < 0 ) {
660 mouse_fd = open("/dev/adbmouse", O_RDONLY, 0);
661 if ( mouse_fd >= 0 ) {
662#ifdef DEBUG_MOUSE
663fprintf(stderr, "Using ADB mouse\n");
664#endif
665 mouse_drv = MOUSE_BM;
666 }
667 }
668 }
669 /* Default to a serial Microsoft mouse */
670 if ( mouse_fd < 0 ) {
671 if ( mousedev == NULL ) {
672 mousedev = "/dev/mouse";
673 }
674 mouse_fd = open(mousedev, O_RDONLY, 0);
675 if ( mouse_fd >= 0 ) {
676 struct termios mouse_termios;
677
678 /* Set the sampling speed to 1200 baud */
679 tcgetattr(mouse_fd, &mouse_termios);
680 mouse_termios.c_iflag = IGNBRK | IGNPAR;
681 mouse_termios.c_oflag = 0;
682 mouse_termios.c_lflag = 0;
683 mouse_termios.c_line = 0;
684 mouse_termios.c_cc[VTIME] = 0;
685 mouse_termios.c_cc[VMIN] = 1;
686 mouse_termios.c_cflag = CREAD | CLOCAL | HUPCL;
687 mouse_termios.c_cflag |= CS8;
688 mouse_termios.c_cflag |= B1200;
689 tcsetattr(mouse_fd, TCSAFLUSH, &mouse_termios);
690 if ( mousedrv && (SDL_strcmp(mousedrv, "PS2") == 0) ) {
691#ifdef DEBUG_MOUSE
692fprintf(stderr, "Using (user specified) PS2 mouse on %s\n", mousedev);
693#endif
694 mouse_drv = MOUSE_PS2;
695 } else {
696#ifdef DEBUG_MOUSE
697fprintf(stderr, "Using (default) MS mouse on %s\n", mousedev);
698#endif
699 mouse_drv = MOUSE_MS;
700 }
701 }
702 }
703 if ( mouse_fd < 0 ) {
704 mouse_drv = MOUSE_NONE;
705 }
706 return(mouse_fd);
707}
708
709static int posted = 0;
710
711void FB_vgamousecallback(int button, int relative, int dx, int dy)
712{
713 int button_1, button_3;
714 int button_state;
715 int state_changed;
716 int i;
717 Uint8 state;
718
719 if ( dx || dy ) {
720 posted += SDL_PrivateMouseMotion(0, relative, dx, dy);
721 }
722
723 /* Swap button 1 and 3 */
724 button_1 = (button & 0x04) >> 2;
725 button_3 = (button & 0x01) << 2;
726 button &= ~0x05;
727 button |= (button_1|button_3);
728
729 /* See what changed */
730 button_state = SDL_GetMouseState(NULL, NULL);
731 state_changed = button_state ^ button;
732 for ( i=0; i<8; ++i ) {
733 if ( state_changed & (1<<i) ) {
734 if ( button & (1<<i) ) {
735 state = SDL_PRESSED;
736 } else {
737 state = SDL_RELEASED;
738 }
739 posted += SDL_PrivateMouseButton(state, i+1, 0, 0);
740 }
741 }
742}
743
744/* Handle input from tslib */
745#if SDL_INPUT_TSLIB
746static void handle_tslib(_THIS)
747{
748 struct ts_sample sample;
749 int button;
750
751 while (ts_read(ts_dev, &sample, 1) > 0) {
752 button = (sample.pressure > 0) ? 1 : 0;
753 button <<= 2; /* must report it as button 3 */
754 FB_vgamousecallback(button, 0, sample.x, sample.y);
755 }
756 return;
757}
758#endif /* SDL_INPUT_TSLIB */
759
760/* For now, use MSC, PS/2, and MS protocols
761 Driver adapted from the SVGAlib mouse driver code (taken from gpm, etc.)
762 */
763static void handle_mouse(_THIS)
764{
765 static int start = 0;
766 static unsigned char mousebuf[BUFSIZ];
767 static int relative = 1;
768
769 int i, nread;
770 int button = 0;
771 int dx = 0, dy = 0;
772 int packetsize = 0;
773 int realx, realy;
774
775 /* Figure out the mouse packet size */
776 switch (mouse_drv) {
777 case MOUSE_NONE:
778 break; /* carry on to read from device and discard it. */
779 case MOUSE_MSC:
780 packetsize = 5;
781 break;
782 case MOUSE_IMPS2:
783 packetsize = 4;
784 break;
785 case MOUSE_PS2:
786 case MOUSE_MS:
787 case MOUSE_BM:
788 packetsize = 3;
789 break;
790 case MOUSE_ELO:
791 /* try to read the next packet */
792 if(eloReadPosition(this, mouse_fd, &dx, &dy, &button, &realx, &realy)) {
793 button = (button & 0x01) << 2;
794 FB_vgamousecallback(button, 0, dx, dy);
795 }
796 return; /* nothing left to do */
797 case MOUSE_TSLIB:
798#if SDL_INPUT_TSLIB
799 handle_tslib(this);
800#endif
801 return; /* nothing left to do */
802 default:
803 /* Uh oh.. */
804 packetsize = 0;
805 break;
806 }
807
808 /* Special handling for the quite sensitive ELO controller */
809 if (mouse_drv == MOUSE_ELO) {
810
811 }
812
813 /* Read as many packets as possible */
814 nread = read(mouse_fd, &mousebuf[start], BUFSIZ-start);
815 if ( nread < 0 ) {
816 return;
817 }
818
819 if (mouse_drv == MOUSE_NONE) {
820 return; /* we're done; just draining the input queue. */
821 }
822
823 nread += start;
824#ifdef DEBUG_MOUSE
825 fprintf(stderr, "Read %d bytes from mouse, start = %d\n", nread, start);
826#endif
827
828 for ( i=0; i<(nread-(packetsize-1)); i += packetsize ) {
829 switch (mouse_drv) {
830 case MOUSE_NONE: /* shouldn't actually hit this. */
831 break; /* just throw everything away. */
832 case MOUSE_MSC:
833 /* MSC protocol has 0x80 in high byte */
834 if ( (mousebuf[i] & 0xF8) != 0x80 ) {
835 /* Go to next byte */
836 i -= (packetsize-1);
837 continue;
838 }
839 /* Get current mouse state */
840 button = (~mousebuf[i]) & 0x07;
841 dx = (signed char)(mousebuf[i+1]) +
842 (signed char)(mousebuf[i+3]);
843 dy = -((signed char)(mousebuf[i+2]) +
844 (signed char)(mousebuf[i+4]));
845 break;
846 case MOUSE_PS2:
847 /* PS/2 protocol has nothing in high byte */
848 if ( (mousebuf[i] & 0xC0) != 0 ) {
849 /* Go to next byte */
850 i -= (packetsize-1);
851 continue;
852 }
853 /* Get current mouse state */
854 button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/
855 (mousebuf[i] & 0x02) >> 1 | /*Right*/
856 (mousebuf[i] & 0x01) << 2; /*Left*/
857 dx = (mousebuf[i] & 0x10) ?
858 mousebuf[i+1] - 256 : mousebuf[i+1];
859 dy = (mousebuf[i] & 0x20) ?
860 -(mousebuf[i+2] - 256) : -mousebuf[i+2];
861 break;
862 case MOUSE_IMPS2:
863 /* Get current mouse state */
864 button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/
865 (mousebuf[i] & 0x02) >> 1 | /*Right*/
866 (mousebuf[i] & 0x01) << 2 | /*Left*/
867 (mousebuf[i] & 0x40) >> 3 | /* 4 */
868 (mousebuf[i] & 0x80) >> 3; /* 5 */
869 dx = (mousebuf[i] & 0x10) ?
870 mousebuf[i+1] - 256 : mousebuf[i+1];
871 dy = (mousebuf[i] & 0x20) ?
872 -(mousebuf[i+2] - 256) : -mousebuf[i+2];
873 switch (mousebuf[i+3]&0x0F) {
874 case 0x0E: /* DX = +1 */
875 case 0x02: /* DX = -1 */
876 break;
877 case 0x0F: /* DY = +1 (map button 4) */
878 FB_vgamousecallback(button | (1<<3),
879 1, 0, 0);
880 break;
881 case 0x01: /* DY = -1 (map button 5) */
882 FB_vgamousecallback(button | (1<<4),
883 1, 0, 0);
884 break;
885 }
886 break;
887 case MOUSE_MS:
888 /* Microsoft protocol has 0x40 in high byte */
889 if ( (mousebuf[i] & 0x40) != 0x40 ) {
890 /* Go to next byte */
891 i -= (packetsize-1);
892 continue;
893 }
894 /* Get current mouse state */
895 button = ((mousebuf[i] & 0x20) >> 3) |
896 ((mousebuf[i] & 0x10) >> 4);
897 dx = (signed char)(((mousebuf[i] & 0x03) << 6) |
898 (mousebuf[i + 1] & 0x3F));
899 dy = (signed char)(((mousebuf[i] & 0x0C) << 4) |
900 (mousebuf[i + 2] & 0x3F));
901 break;
902 case MOUSE_BM:
903 /* BusMouse protocol has 0xF8 in high byte */
904 if ( (mousebuf[i] & 0xF8) != 0x80 ) {
905 /* Go to next byte */
906 i -= (packetsize-1);
907 continue;
908 }
909 /* Get current mouse state */
910 button = (~mousebuf[i]) & 0x07;
911 dx = (signed char)mousebuf[i+1];
912 dy = -(signed char)mousebuf[i+2];
913 break;
914 default:
915 /* Uh oh.. */
916 dx = 0;
917 dy = 0;
918 break;
919 }
920 FB_vgamousecallback(button, relative, dx, dy);
921 }
922 if ( i < nread ) {
923 SDL_memcpy(mousebuf, &mousebuf[i], (nread-i));
924 start = (nread-i);
925 } else {
926 start = 0;
927 }
928 return;
929}
930
931/* Handle switching to another VC, returns when our VC is back */
932static void switch_vt_prep(_THIS)
933{
934 SDL_Surface *screen = SDL_VideoSurface;
935
936 SDL_PrivateAppActive(0, (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS));
937
938 /* Save the contents of the screen, and go to text mode */
939 wait_idle(this);
940 screen_arealen = ((screen->h + (2*this->offset_y)) * screen->pitch);
941 screen_contents = (Uint8 *)SDL_malloc(screen_arealen);
942 if ( screen_contents ) {
943 SDL_memcpy(screen_contents, screen->pixels, screen_arealen);
944 }
945 FB_SavePaletteTo(this, 256, screen_palette);
946 ioctl(console_fd, FBIOGET_VSCREENINFO, &screen_vinfo);
947 ioctl(keyboard_fd, KDSETMODE, KD_TEXT);
948 ioctl(keyboard_fd, VT_UNLOCKSWITCH, 1);
949}
950static void switch_vt_done(_THIS)
951{
952 SDL_Surface *screen = SDL_VideoSurface;
953
954 /* Restore graphics mode and the contents of the screen */
955 ioctl(keyboard_fd, VT_LOCKSWITCH, 1);
956 ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS);
957 ioctl(console_fd, FBIOPUT_VSCREENINFO, &screen_vinfo);
958 FB_RestorePaletteFrom(this, 256, screen_palette);
959 if ( screen_contents ) {
960 SDL_memcpy(screen->pixels, screen_contents, screen_arealen);
961 SDL_free(screen_contents);
962 screen_contents = NULL;
963 }
964
965 /* Get updates to the shadow surface while switched away */
966 if ( SDL_ShadowSurface ) {
967 SDL_UpdateRect(SDL_ShadowSurface, 0, 0, 0, 0);
968 }
969
970 SDL_PrivateAppActive(1, (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS));
971}
972static void switch_vt(_THIS, unsigned short which)
973{
974 struct vt_stat vtstate;
975
976 /* Figure out whether or not we're switching to a new console */
977 if ( (ioctl(keyboard_fd, VT_GETSTATE, &vtstate) < 0) ||
978 (which == vtstate.v_active) ) {
979 return;
980 }
981
982 /* New console, switch to it */
983 SDL_mutexP(hw_lock);
984 switch_vt_prep(this);
985 if ( ioctl(keyboard_fd, VT_ACTIVATE, which) == 0 ) {
986 ioctl(keyboard_fd, VT_WAITACTIVE, which);
987 switched_away = 1;
988 } else {
989 switch_vt_done(this);
990 }
991 SDL_mutexV(hw_lock);
992}
993
994static void handle_keyboard(_THIS)
995{
996 unsigned char keybuf[BUFSIZ];
997 int i, nread;
998 int pressed;
999 int scancode;
1000 SDL_keysym keysym;
1001
1002 nread = read(keyboard_fd, keybuf, BUFSIZ);
1003 for ( i=0; i<nread; ++i ) {
1004 scancode = keybuf[i] & 0x7F;
1005 if ( keybuf[i] & 0x80 ) {
1006 pressed = SDL_RELEASED;
1007 } else {
1008 pressed = SDL_PRESSED;
1009 }
1010 TranslateKey(scancode, &keysym);
1011 /* Handle Ctrl-Alt-FN for vt switch */
1012 switch (keysym.sym) {
1013 case SDLK_F1:
1014 case SDLK_F2:
1015 case SDLK_F3:
1016 case SDLK_F4:
1017 case SDLK_F5:
1018 case SDLK_F6:
1019 case SDLK_F7:
1020 case SDLK_F8:
1021 case SDLK_F9:
1022 case SDLK_F10:
1023 case SDLK_F11:
1024 case SDLK_F12:
1025 if ( (SDL_GetModState() & KMOD_CTRL) &&
1026 (SDL_GetModState() & KMOD_ALT) ) {
1027 if ( pressed ) {
1028 switch_vt(this, (keysym.sym-SDLK_F1)+1);
1029 }
1030 break;
1031 }
1032 /* Fall through to normal processing */
1033 default:
1034 posted += SDL_PrivateKeyboard(pressed, &keysym);
1035 break;
1036 }
1037 }
1038}
1039
1040void FB_PumpEvents(_THIS)
1041{
1042 fd_set fdset;
1043 int max_fd;
1044 static struct timeval zero;
1045
1046 do {
1047 if ( switched_away ) {
1048 struct vt_stat vtstate;
1049
1050 SDL_mutexP(hw_lock);
1051 if ( (ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0) &&
1052 vtstate.v_active == current_vt ) {
1053 switched_away = 0;
1054 switch_vt_done(this);
1055 }
1056 SDL_mutexV(hw_lock);
1057 }
1058
1059 posted = 0;
1060
1061 FD_ZERO(&fdset);
1062 max_fd = 0;
1063 if ( keyboard_fd >= 0 ) {
1064 FD_SET(keyboard_fd, &fdset);
1065 if ( max_fd < keyboard_fd ) {
1066 max_fd = keyboard_fd;
1067 }
1068 }
1069 if ( mouse_fd >= 0 ) {
1070 FD_SET(mouse_fd, &fdset);
1071 if ( max_fd < mouse_fd ) {
1072 max_fd = mouse_fd;
1073 }
1074 }
1075 if ( select(max_fd+1, &fdset, NULL, NULL, &zero) > 0 ) {
1076 if ( keyboard_fd >= 0 ) {
1077 if ( FD_ISSET(keyboard_fd, &fdset) ) {
1078 handle_keyboard(this);
1079 }
1080 }
1081 if ( mouse_fd >= 0 ) {
1082 if ( FD_ISSET(mouse_fd, &fdset) ) {
1083 handle_mouse(this);
1084 }
1085 }
1086 }
1087 } while ( posted );
1088}
1089
1090void FB_InitOSKeymap(_THIS)
1091{
1092 int i;
1093
1094 /* Initialize the Linux key translation table */
1095
1096 /* First get the ascii keys and others not well handled */
1097 for (i=0; i<SDL_arraysize(keymap); ++i) {
1098 switch(i) {
1099 /* These aren't handled by the x86 kernel keymapping (?) */
1100 case SCANCODE_PRINTSCREEN:
1101 keymap[i] = SDLK_PRINT;
1102 break;
1103 case SCANCODE_BREAK:
1104 keymap[i] = SDLK_BREAK;
1105 break;
1106 case SCANCODE_BREAK_ALTERNATIVE:
1107 keymap[i] = SDLK_PAUSE;
1108 break;
1109 case SCANCODE_LEFTSHIFT:
1110 keymap[i] = SDLK_LSHIFT;
1111 break;
1112 case SCANCODE_RIGHTSHIFT:
1113 keymap[i] = SDLK_RSHIFT;
1114 break;
1115 case SCANCODE_LEFTCONTROL:
1116 keymap[i] = SDLK_LCTRL;
1117 break;
1118 case SCANCODE_RIGHTCONTROL:
1119 keymap[i] = SDLK_RCTRL;
1120 break;
1121 case SCANCODE_RIGHTWIN:
1122 keymap[i] = SDLK_RSUPER;
1123 break;
1124 case SCANCODE_LEFTWIN:
1125 keymap[i] = SDLK_LSUPER;
1126 break;
1127 case SCANCODE_LEFTALT:
1128 keymap[i] = SDLK_LALT;
1129 break;
1130 case SCANCODE_RIGHTALT:
1131 keymap[i] = SDLK_RALT;
1132 break;
1133 case 127:
1134 keymap[i] = SDLK_MENU;
1135 break;
1136 /* this should take care of all standard ascii keys */
1137 default:
1138 keymap[i] = KVAL(vga_keymap[0][i]);
1139 break;
1140 }
1141 }
1142 for (i=0; i<SDL_arraysize(keymap); ++i) {
1143 switch(keymap_temp[i]) {
1144 case K_F1: keymap[i] = SDLK_F1; break;
1145 case K_F2: keymap[i] = SDLK_F2; break;
1146 case K_F3: keymap[i] = SDLK_F3; break;
1147 case K_F4: keymap[i] = SDLK_F4; break;
1148 case K_F5: keymap[i] = SDLK_F5; break;
1149 case K_F6: keymap[i] = SDLK_F6; break;
1150 case K_F7: keymap[i] = SDLK_F7; break;
1151 case K_F8: keymap[i] = SDLK_F8; break;
1152 case K_F9: keymap[i] = SDLK_F9; break;
1153 case K_F10: keymap[i] = SDLK_F10; break;
1154 case K_F11: keymap[i] = SDLK_F11; break;
1155 case K_F12: keymap[i] = SDLK_F12; break;
1156
1157 case K_DOWN: keymap[i] = SDLK_DOWN; break;
1158 case K_LEFT: keymap[i] = SDLK_LEFT; break;
1159 case K_RIGHT: keymap[i] = SDLK_RIGHT; break;
1160 case K_UP: keymap[i] = SDLK_UP; break;
1161
1162 case K_P0: keymap[i] = SDLK_KP0; break;
1163 case K_P1: keymap[i] = SDLK_KP1; break;
1164 case K_P2: keymap[i] = SDLK_KP2; break;
1165 case K_P3: keymap[i] = SDLK_KP3; break;
1166 case K_P4: keymap[i] = SDLK_KP4; break;
1167 case K_P5: keymap[i] = SDLK_KP5; break;
1168 case K_P6: keymap[i] = SDLK_KP6; break;
1169 case K_P7: keymap[i] = SDLK_KP7; break;
1170 case K_P8: keymap[i] = SDLK_KP8; break;
1171 case K_P9: keymap[i] = SDLK_KP9; break;
1172 case K_PPLUS: keymap[i] = SDLK_KP_PLUS; break;
1173 case K_PMINUS: keymap[i] = SDLK_KP_MINUS; break;
1174 case K_PSTAR: keymap[i] = SDLK_KP_MULTIPLY; break;
1175 case K_PSLASH: keymap[i] = SDLK_KP_DIVIDE; break;
1176 case K_PENTER: keymap[i] = SDLK_KP_ENTER; break;
1177 case K_PDOT: keymap[i] = SDLK_KP_PERIOD; break;
1178
1179 case K_SHIFT: if ( keymap[i] != SDLK_RSHIFT )
1180 keymap[i] = SDLK_LSHIFT;
1181 break;
1182 case K_SHIFTL: keymap[i] = SDLK_LSHIFT; break;
1183 case K_SHIFTR: keymap[i] = SDLK_RSHIFT; break;
1184 case K_CTRL: if ( keymap[i] != SDLK_RCTRL )
1185 keymap[i] = SDLK_LCTRL;
1186 break;
1187 case K_CTRLL: keymap[i] = SDLK_LCTRL; break;
1188 case K_CTRLR: keymap[i] = SDLK_RCTRL; break;
1189 case K_ALT: keymap[i] = SDLK_LALT; break;
1190 case K_ALTGR: keymap[i] = SDLK_RALT; break;
1191
1192 case K_INSERT: keymap[i] = SDLK_INSERT; break;
1193 case K_REMOVE: keymap[i] = SDLK_DELETE; break;
1194 case K_PGUP: keymap[i] = SDLK_PAGEUP; break;
1195 case K_PGDN: keymap[i] = SDLK_PAGEDOWN; break;
1196 case K_FIND: keymap[i] = SDLK_HOME; break;
1197 case K_SELECT: keymap[i] = SDLK_END; break;
1198
1199 case K_NUM: keymap[i] = SDLK_NUMLOCK; break;
1200 case K_CAPS: keymap[i] = SDLK_CAPSLOCK; break;
1201
1202 case K_F13: keymap[i] = SDLK_PRINT; break;
1203 case K_HOLD: keymap[i] = SDLK_SCROLLOCK; break;
1204 case K_PAUSE: keymap[i] = SDLK_PAUSE; break;
1205
1206 case 127: keymap[i] = SDLK_BACKSPACE; break;
1207
1208 default: break;
1209 }
1210 }
1211}
1212
1213static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
1214{
1215 /* Set the keysym information */
1216 keysym->scancode = scancode;
1217 keysym->sym = keymap[scancode];
1218 keysym->mod = KMOD_NONE;
1219
1220 /* If UNICODE is on, get the UNICODE value for the key */
1221 keysym->unicode = 0;
1222 if ( SDL_TranslateUNICODE ) {
1223 int map;
1224 SDLMod modstate;
1225
1226 modstate = SDL_GetModState();
1227 map = 0;
1228 if ( modstate & KMOD_SHIFT ) {
1229 map |= (1<<KG_SHIFT);
1230 }
1231 if ( modstate & KMOD_CTRL ) {
1232 map |= (1<<KG_CTRL);
1233 }
1234 if ( modstate & KMOD_LALT ) {
1235 map |= (1<<KG_ALT);
1236 }
1237 if ( modstate & KMOD_RALT ) {
1238 map |= (1<<KG_ALTGR);
1239 }
1240 if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) {
1241 if ( modstate & KMOD_CAPS ) {
1242 map ^= (1<<KG_SHIFT);
1243 }
1244 }
1245 if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) {
1246 if ( modstate & KMOD_NUM ) {
1247 keysym->unicode=KVAL(vga_keymap[map][scancode]);
1248 }
1249 } else {
1250 keysym->unicode = KVAL(vga_keymap[map][scancode]);
1251 }
1252 }
1253 return(keysym);
1254}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-30 19:37:13 +0000