linux-user: stack_base is now mandatory on all targets
[qemu.git] / hw / baum.c
1 /*
2 * QEMU Baum Braille Device
3 *
4 * Copyright (c) 2008 Samuel Thibault
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu-common.h"
25 #include "qemu-char.h"
26 #include "qemu-timer.h"
27 #include "usb.h"
28 #include "baum.h"
29 #include <brlapi.h>
30 #include <brlapi_constants.h>
31 #include <brlapi_keycodes.h>
32 #ifdef CONFIG_SDL
33 #include <SDL_syswm.h>
34 #endif
35
36 #if 0
37 #define DPRINTF(fmt, ...) \
38 printf(fmt, ## __VA_ARGS__)
39 #else
40 #define DPRINTF(fmt, ...)
41 #endif
42
43 #define ESC 0x1B
44
45 #define BAUM_REQ_DisplayData 0x01
46 #define BAUM_REQ_GetVersionNumber 0x05
47 #define BAUM_REQ_GetKeys 0x08
48 #define BAUM_REQ_SetMode 0x12
49 #define BAUM_REQ_SetProtocol 0x15
50 #define BAUM_REQ_GetDeviceIdentity 0x84
51 #define BAUM_REQ_GetSerialNumber 0x8A
52
53 #define BAUM_RSP_CellCount 0x01
54 #define BAUM_RSP_VersionNumber 0x05
55 #define BAUM_RSP_ModeSetting 0x11
56 #define BAUM_RSP_CommunicationChannel 0x16
57 #define BAUM_RSP_PowerdownSignal 0x17
58 #define BAUM_RSP_HorizontalSensors 0x20
59 #define BAUM_RSP_VerticalSensors 0x21
60 #define BAUM_RSP_RoutingKeys 0x22
61 #define BAUM_RSP_Switches 0x23
62 #define BAUM_RSP_TopKeys 0x24
63 #define BAUM_RSP_HorizontalSensor 0x25
64 #define BAUM_RSP_VerticalSensor 0x26
65 #define BAUM_RSP_RoutingKey 0x27
66 #define BAUM_RSP_FrontKeys6 0x28
67 #define BAUM_RSP_BackKeys6 0x29
68 #define BAUM_RSP_CommandKeys 0x2B
69 #define BAUM_RSP_FrontKeys10 0x2C
70 #define BAUM_RSP_BackKeys10 0x2D
71 #define BAUM_RSP_EntryKeys 0x33
72 #define BAUM_RSP_JoyStick 0x34
73 #define BAUM_RSP_ErrorCode 0x40
74 #define BAUM_RSP_InfoBlock 0x42
75 #define BAUM_RSP_DeviceIdentity 0x84
76 #define BAUM_RSP_SerialNumber 0x8A
77 #define BAUM_RSP_BluetoothName 0x8C
78
79 #define BAUM_TL1 0x01
80 #define BAUM_TL2 0x02
81 #define BAUM_TL3 0x04
82 #define BAUM_TR1 0x08
83 #define BAUM_TR2 0x10
84 #define BAUM_TR3 0x20
85
86 #define BUF_SIZE 256
87
88 typedef struct {
89 CharDriverState *chr;
90
91 brlapi_handle_t *brlapi;
92 int brlapi_fd;
93 unsigned int x, y;
94
95 uint8_t in_buf[BUF_SIZE];
96 uint8_t in_buf_used;
97 uint8_t out_buf[BUF_SIZE];
98 uint8_t out_buf_used, out_buf_ptr;
99
100 QEMUTimer *cellCount_timer;
101 } BaumDriverState;
102
103 /* Let's assume NABCC by default */
104 static const uint8_t nabcc_translation[256] = {
105 [0] = ' ',
106 #ifndef BRLAPI_DOTS
107 #define BRLAPI_DOTS(d1,d2,d3,d4,d5,d6,d7,d8) \
108 ((d1?BRLAPI_DOT1:0)|\
109 (d2?BRLAPI_DOT2:0)|\
110 (d3?BRLAPI_DOT3:0)|\
111 (d4?BRLAPI_DOT4:0)|\
112 (d5?BRLAPI_DOT5:0)|\
113 (d6?BRLAPI_DOT6:0)|\
114 (d7?BRLAPI_DOT7:0)|\
115 (d8?BRLAPI_DOT8:0))
116 #endif
117 [BRLAPI_DOTS(1,0,0,0,0,0,0,0)] = 'a',
118 [BRLAPI_DOTS(1,1,0,0,0,0,0,0)] = 'b',
119 [BRLAPI_DOTS(1,0,0,1,0,0,0,0)] = 'c',
120 [BRLAPI_DOTS(1,0,0,1,1,0,0,0)] = 'd',
121 [BRLAPI_DOTS(1,0,0,0,1,0,0,0)] = 'e',
122 [BRLAPI_DOTS(1,1,0,1,0,0,0,0)] = 'f',
123 [BRLAPI_DOTS(1,1,0,1,1,0,0,0)] = 'g',
124 [BRLAPI_DOTS(1,1,0,0,1,0,0,0)] = 'h',
125 [BRLAPI_DOTS(0,1,0,1,0,0,0,0)] = 'i',
126 [BRLAPI_DOTS(0,1,0,1,1,0,0,0)] = 'j',
127 [BRLAPI_DOTS(1,0,1,0,0,0,0,0)] = 'k',
128 [BRLAPI_DOTS(1,1,1,0,0,0,0,0)] = 'l',
129 [BRLAPI_DOTS(1,0,1,1,0,0,0,0)] = 'm',
130 [BRLAPI_DOTS(1,0,1,1,1,0,0,0)] = 'n',
131 [BRLAPI_DOTS(1,0,1,0,1,0,0,0)] = 'o',
132 [BRLAPI_DOTS(1,1,1,1,0,0,0,0)] = 'p',
133 [BRLAPI_DOTS(1,1,1,1,1,0,0,0)] = 'q',
134 [BRLAPI_DOTS(1,1,1,0,1,0,0,0)] = 'r',
135 [BRLAPI_DOTS(0,1,1,1,0,0,0,0)] = 's',
136 [BRLAPI_DOTS(0,1,1,1,1,0,0,0)] = 't',
137 [BRLAPI_DOTS(1,0,1,0,0,1,0,0)] = 'u',
138 [BRLAPI_DOTS(1,1,1,0,0,1,0,0)] = 'v',
139 [BRLAPI_DOTS(0,1,0,1,1,1,0,0)] = 'w',
140 [BRLAPI_DOTS(1,0,1,1,0,1,0,0)] = 'x',
141 [BRLAPI_DOTS(1,0,1,1,1,1,0,0)] = 'y',
142 [BRLAPI_DOTS(1,0,1,0,1,1,0,0)] = 'z',
143
144 [BRLAPI_DOTS(1,0,0,0,0,0,1,0)] = 'A',
145 [BRLAPI_DOTS(1,1,0,0,0,0,1,0)] = 'B',
146 [BRLAPI_DOTS(1,0,0,1,0,0,1,0)] = 'C',
147 [BRLAPI_DOTS(1,0,0,1,1,0,1,0)] = 'D',
148 [BRLAPI_DOTS(1,0,0,0,1,0,1,0)] = 'E',
149 [BRLAPI_DOTS(1,1,0,1,0,0,1,0)] = 'F',
150 [BRLAPI_DOTS(1,1,0,1,1,0,1,0)] = 'G',
151 [BRLAPI_DOTS(1,1,0,0,1,0,1,0)] = 'H',
152 [BRLAPI_DOTS(0,1,0,1,0,0,1,0)] = 'I',
153 [BRLAPI_DOTS(0,1,0,1,1,0,1,0)] = 'J',
154 [BRLAPI_DOTS(1,0,1,0,0,0,1,0)] = 'K',
155 [BRLAPI_DOTS(1,1,1,0,0,0,1,0)] = 'L',
156 [BRLAPI_DOTS(1,0,1,1,0,0,1,0)] = 'M',
157 [BRLAPI_DOTS(1,0,1,1,1,0,1,0)] = 'N',
158 [BRLAPI_DOTS(1,0,1,0,1,0,1,0)] = 'O',
159 [BRLAPI_DOTS(1,1,1,1,0,0,1,0)] = 'P',
160 [BRLAPI_DOTS(1,1,1,1,1,0,1,0)] = 'Q',
161 [BRLAPI_DOTS(1,1,1,0,1,0,1,0)] = 'R',
162 [BRLAPI_DOTS(0,1,1,1,0,0,1,0)] = 'S',
163 [BRLAPI_DOTS(0,1,1,1,1,0,1,0)] = 'T',
164 [BRLAPI_DOTS(1,0,1,0,0,1,1,0)] = 'U',
165 [BRLAPI_DOTS(1,1,1,0,0,1,1,0)] = 'V',
166 [BRLAPI_DOTS(0,1,0,1,1,1,1,0)] = 'W',
167 [BRLAPI_DOTS(1,0,1,1,0,1,1,0)] = 'X',
168 [BRLAPI_DOTS(1,0,1,1,1,1,1,0)] = 'Y',
169 [BRLAPI_DOTS(1,0,1,0,1,1,1,0)] = 'Z',
170
171 [BRLAPI_DOTS(0,0,1,0,1,1,0,0)] = '0',
172 [BRLAPI_DOTS(0,1,0,0,0,0,0,0)] = '1',
173 [BRLAPI_DOTS(0,1,1,0,0,0,0,0)] = '2',
174 [BRLAPI_DOTS(0,1,0,0,1,0,0,0)] = '3',
175 [BRLAPI_DOTS(0,1,0,0,1,1,0,0)] = '4',
176 [BRLAPI_DOTS(0,1,0,0,0,1,0,0)] = '5',
177 [BRLAPI_DOTS(0,1,1,0,1,0,0,0)] = '6',
178 [BRLAPI_DOTS(0,1,1,0,1,1,0,0)] = '7',
179 [BRLAPI_DOTS(0,1,1,0,0,1,0,0)] = '8',
180 [BRLAPI_DOTS(0,0,1,0,1,0,0,0)] = '9',
181
182 [BRLAPI_DOTS(0,0,0,1,0,1,0,0)] = '.',
183 [BRLAPI_DOTS(0,0,1,1,0,1,0,0)] = '+',
184 [BRLAPI_DOTS(0,0,1,0,0,1,0,0)] = '-',
185 [BRLAPI_DOTS(1,0,0,0,0,1,0,0)] = '*',
186 [BRLAPI_DOTS(0,0,1,1,0,0,0,0)] = '/',
187 [BRLAPI_DOTS(1,1,1,0,1,1,0,0)] = '(',
188 [BRLAPI_DOTS(0,1,1,1,1,1,0,0)] = ')',
189
190 [BRLAPI_DOTS(1,1,1,1,0,1,0,0)] = '&',
191 [BRLAPI_DOTS(0,0,1,1,1,1,0,0)] = '#',
192
193 [BRLAPI_DOTS(0,0,0,0,0,1,0,0)] = ',',
194 [BRLAPI_DOTS(0,0,0,0,1,1,0,0)] = ';',
195 [BRLAPI_DOTS(1,0,0,0,1,1,0,0)] = ':',
196 [BRLAPI_DOTS(0,1,1,1,0,1,0,0)] = '!',
197 [BRLAPI_DOTS(1,0,0,1,1,1,0,0)] = '?',
198 [BRLAPI_DOTS(0,0,0,0,1,0,0,0)] = '"',
199 [BRLAPI_DOTS(0,0,1,0,0,0,0,0)] ='\'',
200 [BRLAPI_DOTS(0,0,0,1,0,0,0,0)] = '`',
201 [BRLAPI_DOTS(0,0,0,1,1,0,1,0)] = '^',
202 [BRLAPI_DOTS(0,0,0,1,1,0,0,0)] = '~',
203 [BRLAPI_DOTS(0,1,0,1,0,1,1,0)] = '[',
204 [BRLAPI_DOTS(1,1,0,1,1,1,1,0)] = ']',
205 [BRLAPI_DOTS(0,1,0,1,0,1,0,0)] = '{',
206 [BRLAPI_DOTS(1,1,0,1,1,1,0,0)] = '}',
207 [BRLAPI_DOTS(1,1,1,1,1,1,0,0)] = '=',
208 [BRLAPI_DOTS(1,1,0,0,0,1,0,0)] = '<',
209 [BRLAPI_DOTS(0,0,1,1,1,0,0,0)] = '>',
210 [BRLAPI_DOTS(1,1,0,1,0,1,0,0)] = '$',
211 [BRLAPI_DOTS(1,0,0,1,0,1,0,0)] = '%',
212 [BRLAPI_DOTS(0,0,0,1,0,0,1,0)] = '@',
213 [BRLAPI_DOTS(1,1,0,0,1,1,0,0)] = '|',
214 [BRLAPI_DOTS(1,1,0,0,1,1,1,0)] ='\\',
215 [BRLAPI_DOTS(0,0,0,1,1,1,0,0)] = '_',
216 };
217
218 /* The serial port can receive more of our data */
219 static void baum_accept_input(struct CharDriverState *chr)
220 {
221 BaumDriverState *baum = chr->opaque;
222 int room, first;
223
224 if (!baum->out_buf_used)
225 return;
226 room = qemu_chr_be_can_write(chr);
227 if (!room)
228 return;
229 if (room > baum->out_buf_used)
230 room = baum->out_buf_used;
231
232 first = BUF_SIZE - baum->out_buf_ptr;
233 if (room > first) {
234 qemu_chr_be_write(chr, baum->out_buf + baum->out_buf_ptr, first);
235 baum->out_buf_ptr = 0;
236 baum->out_buf_used -= first;
237 room -= first;
238 }
239 qemu_chr_be_write(chr, baum->out_buf + baum->out_buf_ptr, room);
240 baum->out_buf_ptr += room;
241 baum->out_buf_used -= room;
242 }
243
244 /* We want to send a packet */
245 static void baum_write_packet(BaumDriverState *baum, const uint8_t *buf, int len)
246 {
247 uint8_t io_buf[1 + 2 * len], *cur = io_buf;
248 int room;
249 *cur++ = ESC;
250 while (len--)
251 if ((*cur++ = *buf++) == ESC)
252 *cur++ = ESC;
253 room = qemu_chr_be_can_write(baum->chr);
254 len = cur - io_buf;
255 if (len <= room) {
256 /* Fits */
257 qemu_chr_be_write(baum->chr, io_buf, len);
258 } else {
259 int first;
260 uint8_t out;
261 /* Can't fit all, send what can be, and store the rest. */
262 qemu_chr_be_write(baum->chr, io_buf, room);
263 len -= room;
264 cur = io_buf + room;
265 if (len > BUF_SIZE - baum->out_buf_used) {
266 /* Can't even store it, drop the previous data... */
267 assert(len <= BUF_SIZE);
268 baum->out_buf_used = 0;
269 baum->out_buf_ptr = 0;
270 }
271 out = baum->out_buf_ptr;
272 baum->out_buf_used += len;
273 first = BUF_SIZE - baum->out_buf_ptr;
274 if (len > first) {
275 memcpy(baum->out_buf + out, cur, first);
276 out = 0;
277 len -= first;
278 cur += first;
279 }
280 memcpy(baum->out_buf + out, cur, len);
281 }
282 }
283
284 /* Called when the other end seems to have a wrong idea of our display size */
285 static void baum_cellCount_timer_cb(void *opaque)
286 {
287 BaumDriverState *baum = opaque;
288 uint8_t cell_count[] = { BAUM_RSP_CellCount, baum->x * baum->y };
289 DPRINTF("Timeout waiting for DisplayData, sending cell count\n");
290 baum_write_packet(baum, cell_count, sizeof(cell_count));
291 }
292
293 /* Try to interpret a whole incoming packet */
294 static int baum_eat_packet(BaumDriverState *baum, const uint8_t *buf, int len)
295 {
296 const uint8_t *cur = buf;
297 uint8_t req = 0;
298
299 if (!len--)
300 return 0;
301 if (*cur++ != ESC) {
302 while (*cur != ESC) {
303 if (!len--)
304 return 0;
305 cur++;
306 }
307 DPRINTF("Dropped %d bytes!\n", cur - buf);
308 }
309
310 #define EAT(c) do {\
311 if (!len--) \
312 return 0; \
313 if ((c = *cur++) == ESC) { \
314 if (!len--) \
315 return 0; \
316 if (*cur++ != ESC) { \
317 DPRINTF("Broken packet %#2x, tossing\n", req); \
318 if (qemu_timer_pending(baum->cellCount_timer)) { \
319 qemu_del_timer(baum->cellCount_timer); \
320 baum_cellCount_timer_cb(baum); \
321 } \
322 return (cur - 2 - buf); \
323 } \
324 } \
325 } while (0)
326
327 EAT(req);
328 switch (req) {
329 case BAUM_REQ_DisplayData:
330 {
331 uint8_t cells[baum->x * baum->y], c;
332 uint8_t text[baum->x * baum->y];
333 uint8_t zero[baum->x * baum->y];
334 int cursor = BRLAPI_CURSOR_OFF;
335 int i;
336
337 /* Allow 100ms to complete the DisplayData packet */
338 qemu_mod_timer(baum->cellCount_timer, qemu_get_clock_ns(vm_clock) +
339 get_ticks_per_sec() / 10);
340 for (i = 0; i < baum->x * baum->y ; i++) {
341 EAT(c);
342 cells[i] = c;
343 if ((c & (BRLAPI_DOT7|BRLAPI_DOT8))
344 == (BRLAPI_DOT7|BRLAPI_DOT8)) {
345 cursor = i + 1;
346 c &= ~(BRLAPI_DOT7|BRLAPI_DOT8);
347 }
348 if (!(c = nabcc_translation[c]))
349 c = '?';
350 text[i] = c;
351 }
352 qemu_del_timer(baum->cellCount_timer);
353
354 memset(zero, 0, sizeof(zero));
355
356 brlapi_writeArguments_t wa = {
357 .displayNumber = BRLAPI_DISPLAY_DEFAULT,
358 .regionBegin = 1,
359 .regionSize = baum->x * baum->y,
360 .text = (char *)text,
361 .textSize = baum->x * baum->y,
362 .andMask = zero,
363 .orMask = cells,
364 .cursor = cursor,
365 .charset = (char *)"ISO-8859-1",
366 };
367
368 if (brlapi__write(baum->brlapi, &wa) == -1)
369 brlapi_perror("baum brlapi_write");
370 break;
371 }
372 case BAUM_REQ_SetMode:
373 {
374 uint8_t mode, setting;
375 DPRINTF("SetMode\n");
376 EAT(mode);
377 EAT(setting);
378 /* ignore */
379 break;
380 }
381 case BAUM_REQ_SetProtocol:
382 {
383 uint8_t protocol;
384 DPRINTF("SetProtocol\n");
385 EAT(protocol);
386 /* ignore */
387 break;
388 }
389 case BAUM_REQ_GetDeviceIdentity:
390 {
391 uint8_t identity[17] = { BAUM_RSP_DeviceIdentity,
392 'B','a','u','m',' ','V','a','r','i','o' };
393 DPRINTF("GetDeviceIdentity\n");
394 identity[11] = '0' + baum->x / 10;
395 identity[12] = '0' + baum->x % 10;
396 baum_write_packet(baum, identity, sizeof(identity));
397 break;
398 }
399 case BAUM_REQ_GetVersionNumber:
400 {
401 uint8_t version[] = { BAUM_RSP_VersionNumber, 1 }; /* ? */
402 DPRINTF("GetVersionNumber\n");
403 baum_write_packet(baum, version, sizeof(version));
404 break;
405 }
406 case BAUM_REQ_GetSerialNumber:
407 {
408 uint8_t serial[] = { BAUM_RSP_SerialNumber,
409 '0','0','0','0','0','0','0','0' };
410 DPRINTF("GetSerialNumber\n");
411 baum_write_packet(baum, serial, sizeof(serial));
412 break;
413 }
414 case BAUM_REQ_GetKeys:
415 {
416 DPRINTF("Get%0#2x\n", req);
417 /* ignore */
418 break;
419 }
420 default:
421 DPRINTF("unrecognized request %0#2x\n", req);
422 do
423 if (!len--)
424 return 0;
425 while (*cur++ != ESC);
426 cur--;
427 break;
428 }
429 return cur - buf;
430 }
431
432 /* The other end is writing some data. Store it and try to interpret */
433 static int baum_write(CharDriverState *chr, const uint8_t *buf, int len)
434 {
435 BaumDriverState *baum = chr->opaque;
436 int tocopy, cur, eaten, orig_len = len;
437
438 if (!len)
439 return 0;
440 if (!baum->brlapi)
441 return len;
442
443 while (len) {
444 /* Complete our buffer as much as possible */
445 tocopy = len;
446 if (tocopy > BUF_SIZE - baum->in_buf_used)
447 tocopy = BUF_SIZE - baum->in_buf_used;
448
449 memcpy(baum->in_buf + baum->in_buf_used, buf, tocopy);
450 baum->in_buf_used += tocopy;
451 buf += tocopy;
452 len -= tocopy;
453
454 /* Interpret it as much as possible */
455 cur = 0;
456 while (cur < baum->in_buf_used &&
457 (eaten = baum_eat_packet(baum, baum->in_buf + cur, baum->in_buf_used - cur)))
458 cur += eaten;
459
460 /* Shift the remainder */
461 if (cur) {
462 memmove(baum->in_buf, baum->in_buf + cur, baum->in_buf_used - cur);
463 baum->in_buf_used -= cur;
464 }
465
466 /* And continue if any data left */
467 }
468 return orig_len;
469 }
470
471 /* Send the key code to the other end */
472 static void baum_send_key(BaumDriverState *baum, uint8_t type, uint8_t value) {
473 uint8_t packet[] = { type, value };
474 DPRINTF("writing key %x %x\n", type, value);
475 baum_write_packet(baum, packet, sizeof(packet));
476 }
477
478 /* We got some data on the BrlAPI socket */
479 static void baum_chr_read(void *opaque)
480 {
481 BaumDriverState *baum = opaque;
482 brlapi_keyCode_t code;
483 int ret;
484 if (!baum->brlapi)
485 return;
486 while ((ret = brlapi__readKey(baum->brlapi, 0, &code)) == 1) {
487 DPRINTF("got key %"BRLAPI_PRIxKEYCODE"\n", code);
488 /* Emulate */
489 switch (code & BRLAPI_KEY_TYPE_MASK) {
490 case BRLAPI_KEY_TYPE_CMD:
491 switch (code & BRLAPI_KEY_CMD_BLK_MASK) {
492 case BRLAPI_KEY_CMD_ROUTE:
493 baum_send_key(baum, BAUM_RSP_RoutingKey, (code & BRLAPI_KEY_CMD_ARG_MASK)+1);
494 baum_send_key(baum, BAUM_RSP_RoutingKey, 0);
495 break;
496 case 0:
497 switch (code & BRLAPI_KEY_CMD_ARG_MASK) {
498 case BRLAPI_KEY_CMD_FWINLT:
499 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2);
500 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
501 break;
502 case BRLAPI_KEY_CMD_FWINRT:
503 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR2);
504 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
505 break;
506 case BRLAPI_KEY_CMD_LNUP:
507 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR1);
508 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
509 break;
510 case BRLAPI_KEY_CMD_LNDN:
511 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR3);
512 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
513 break;
514 case BRLAPI_KEY_CMD_TOP:
515 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL1|BAUM_TR1);
516 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
517 break;
518 case BRLAPI_KEY_CMD_BOT:
519 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL3|BAUM_TR3);
520 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
521 break;
522 case BRLAPI_KEY_CMD_TOP_LEFT:
523 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR1);
524 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
525 break;
526 case BRLAPI_KEY_CMD_BOT_LEFT:
527 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR3);
528 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
529 break;
530 case BRLAPI_KEY_CMD_HOME:
531 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR1|BAUM_TR3);
532 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
533 break;
534 case BRLAPI_KEY_CMD_PREFMENU:
535 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL1|BAUM_TL3|BAUM_TR1);
536 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
537 break;
538 }
539 }
540 break;
541 case BRLAPI_KEY_TYPE_SYM:
542 break;
543 }
544 }
545 if (ret == -1 && (brlapi_errno != BRLAPI_ERROR_LIBCERR || errno != EINTR)) {
546 brlapi_perror("baum: brlapi_readKey");
547 brlapi__closeConnection(baum->brlapi);
548 g_free(baum->brlapi);
549 baum->brlapi = NULL;
550 }
551 }
552
553 static void baum_close(struct CharDriverState *chr)
554 {
555 BaumDriverState *baum = chr->opaque;
556
557 qemu_free_timer(baum->cellCount_timer);
558 if (baum->brlapi) {
559 brlapi__closeConnection(baum->brlapi);
560 g_free(baum->brlapi);
561 }
562 g_free(baum);
563 }
564
565 int chr_baum_init(QemuOpts *opts, CharDriverState **_chr)
566 {
567 BaumDriverState *baum;
568 CharDriverState *chr;
569 brlapi_handle_t *handle;
570 #ifdef CONFIG_SDL
571 SDL_SysWMinfo info;
572 #endif
573 int tty;
574
575 baum = g_malloc0(sizeof(BaumDriverState));
576 baum->chr = chr = g_malloc0(sizeof(CharDriverState));
577
578 chr->opaque = baum;
579 chr->chr_write = baum_write;
580 chr->chr_accept_input = baum_accept_input;
581 chr->chr_close = baum_close;
582
583 handle = g_malloc0(brlapi_getHandleSize());
584 baum->brlapi = handle;
585
586 baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL);
587 if (baum->brlapi_fd == -1) {
588 brlapi_perror("baum_init: brlapi_openConnection");
589 goto fail_handle;
590 }
591
592 baum->cellCount_timer = qemu_new_timer_ns(vm_clock, baum_cellCount_timer_cb, baum);
593
594 if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) {
595 brlapi_perror("baum_init: brlapi_getDisplaySize");
596 goto fail;
597 }
598
599 #ifdef CONFIG_SDL
600 memset(&info, 0, sizeof(info));
601 SDL_VERSION(&info.version);
602 if (SDL_GetWMInfo(&info))
603 tty = info.info.x11.wmwindow;
604 else
605 #endif
606 tty = BRLAPI_TTY_DEFAULT;
607
608 if (brlapi__enterTtyMode(handle, tty, NULL) == -1) {
609 brlapi_perror("baum_init: brlapi_enterTtyMode");
610 goto fail;
611 }
612
613 qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum);
614
615 qemu_chr_generic_open(chr);
616
617 *_chr = chr;
618 return 0;
619
620 fail:
621 qemu_free_timer(baum->cellCount_timer);
622 brlapi__closeConnection(handle);
623 fail_handle:
624 g_free(handle);
625 g_free(chr);
626 g_free(baum);
627 return -EIO;
628 }