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1da177e4 LT |
1 | /* |
2 | * $Id: tmdc.c,v 1.31 2002/01/22 20:29:52 vojtech Exp $ | |
3 | * | |
4 | * Copyright (c) 1998-2001 Vojtech Pavlik | |
5 | * | |
6 | * Based on the work of: | |
7 | * Trystan Larey-Williams | |
8 | */ | |
9 | ||
10 | /* | |
11 | * ThrustMaster DirectConnect (BSP) joystick family driver for Linux | |
12 | */ | |
13 | ||
14 | /* | |
15 | * This program is free software; you can redistribute it and/or modify | |
16 | * it under the terms of the GNU General Public License as published by | |
17 | * the Free Software Foundation; either version 2 of the License, or | |
18 | * (at your option) any later version. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
28 | * | |
29 | * Should you need to contact me, the author, you can do so either by | |
30 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
31 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
32 | */ | |
33 | ||
34 | #include <linux/delay.h> | |
35 | #include <linux/kernel.h> | |
36 | #include <linux/slab.h> | |
37 | #include <linux/module.h> | |
38 | #include <linux/init.h> | |
39 | #include <linux/gameport.h> | |
40 | #include <linux/input.h> | |
41 | ||
42 | #define DRIVER_DESC "ThrustMaster DirectConnect joystick driver" | |
43 | ||
44 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
45 | MODULE_DESCRIPTION(DRIVER_DESC); | |
46 | MODULE_LICENSE("GPL"); | |
47 | ||
48 | #define TMDC_MAX_START 600 /* 600 us */ | |
49 | #define TMDC_MAX_STROBE 60 /* 60 us */ | |
50 | #define TMDC_MAX_LENGTH 13 | |
51 | ||
52 | #define TMDC_MODE_M3DI 1 | |
53 | #define TMDC_MODE_3DRP 3 | |
54 | #define TMDC_MODE_AT 4 | |
55 | #define TMDC_MODE_FM 8 | |
56 | #define TMDC_MODE_FGP 163 | |
57 | ||
58 | #define TMDC_BYTE_ID 10 | |
59 | #define TMDC_BYTE_REV 11 | |
60 | #define TMDC_BYTE_DEF 12 | |
61 | ||
62 | #define TMDC_ABS 7 | |
63 | #define TMDC_ABS_HAT 4 | |
64 | #define TMDC_BTN 16 | |
65 | ||
66 | static unsigned char tmdc_byte_a[16] = { 0, 1, 3, 4, 6, 7 }; | |
67 | static unsigned char tmdc_byte_d[16] = { 2, 5, 8, 9 }; | |
68 | ||
69 | static signed char tmdc_abs[TMDC_ABS] = | |
70 | { ABS_X, ABS_Y, ABS_RUDDER, ABS_THROTTLE, ABS_RX, ABS_RY, ABS_RZ }; | |
71 | static signed char tmdc_abs_hat[TMDC_ABS_HAT] = | |
72 | { ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y }; | |
73 | static signed char tmdc_abs_at[TMDC_ABS] = | |
74 | { ABS_X, ABS_Y, ABS_RUDDER, -1, ABS_THROTTLE }; | |
75 | static signed char tmdc_abs_fm[TMDC_ABS] = | |
76 | { ABS_RX, ABS_RY, ABS_X, ABS_Y }; | |
77 | ||
78 | static short tmdc_btn_pad[TMDC_BTN] = | |
79 | { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_START, BTN_SELECT, BTN_TL, BTN_TR }; | |
80 | static short tmdc_btn_joy[TMDC_BTN] = | |
81 | { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_THUMB2, BTN_PINKIE, | |
ab0c3443 | 82 | BTN_BASE3, BTN_BASE4, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z }; |
1da177e4 LT |
83 | static short tmdc_btn_fm[TMDC_BTN] = |
84 | { BTN_TRIGGER, BTN_C, BTN_B, BTN_A, BTN_THUMB, BTN_X, BTN_Y, BTN_Z, BTN_TOP, BTN_TOP2 }; | |
85 | static short tmdc_btn_at[TMDC_BTN] = | |
86 | { BTN_TRIGGER, BTN_THUMB2, BTN_PINKIE, BTN_THUMB, BTN_BASE6, BTN_BASE5, BTN_BASE4, | |
87 | BTN_BASE3, BTN_BASE2, BTN_BASE }; | |
88 | ||
89 | static struct { | |
90 | int x; | |
91 | int y; | |
92 | } tmdc_hat_to_axis[] = {{ 0, 0}, { 1, 0}, { 0,-1}, {-1, 0}, { 0, 1}}; | |
93 | ||
94 | struct tmdc { | |
95 | struct gameport *gameport; | |
96 | struct input_dev dev[2]; | |
97 | char name[2][64]; | |
98 | char phys[2][32]; | |
99 | int mode[2]; | |
100 | signed char *abs[2]; | |
101 | short *btn[2]; | |
102 | unsigned char absc[2]; | |
103 | unsigned char btnc[2][4]; | |
104 | unsigned char btno[2][4]; | |
105 | int reads; | |
106 | int bads; | |
107 | unsigned char exists; | |
108 | }; | |
109 | ||
110 | /* | |
111 | * tmdc_read_packet() reads a ThrustMaster packet. | |
112 | */ | |
113 | ||
114 | static int tmdc_read_packet(struct gameport *gameport, unsigned char data[2][TMDC_MAX_LENGTH]) | |
115 | { | |
116 | unsigned char u, v, w, x; | |
117 | unsigned long flags; | |
118 | int i[2], j[2], t[2], p, k; | |
119 | ||
120 | p = gameport_time(gameport, TMDC_MAX_STROBE); | |
121 | ||
122 | for (k = 0; k < 2; k++) { | |
123 | t[k] = gameport_time(gameport, TMDC_MAX_START); | |
124 | i[k] = j[k] = 0; | |
125 | } | |
126 | ||
127 | local_irq_save(flags); | |
128 | gameport_trigger(gameport); | |
129 | ||
130 | w = gameport_read(gameport) >> 4; | |
131 | ||
132 | do { | |
133 | x = w; | |
134 | w = gameport_read(gameport) >> 4; | |
135 | ||
136 | for (k = 0, v = w, u = x; k < 2; k++, v >>= 2, u >>= 2) { | |
137 | if (~v & u & 2) { | |
138 | if (t[k] <= 0 || i[k] >= TMDC_MAX_LENGTH) continue; | |
139 | t[k] = p; | |
140 | if (j[k] == 0) { /* Start bit */ | |
141 | if (~v & 1) t[k] = 0; | |
142 | data[k][i[k]] = 0; j[k]++; continue; | |
143 | } | |
144 | if (j[k] == 9) { /* Stop bit */ | |
145 | if (v & 1) t[k] = 0; | |
146 | j[k] = 0; i[k]++; continue; | |
147 | } | |
148 | data[k][i[k]] |= (~v & 1) << (j[k]++ - 1); /* Data bit */ | |
149 | } | |
150 | t[k]--; | |
151 | } | |
152 | } while (t[0] > 0 || t[1] > 0); | |
153 | ||
154 | local_irq_restore(flags); | |
155 | ||
156 | return (i[0] == TMDC_MAX_LENGTH) | ((i[1] == TMDC_MAX_LENGTH) << 1); | |
157 | } | |
158 | ||
159 | /* | |
160 | * tmdc_poll() reads and analyzes ThrustMaster joystick data. | |
161 | */ | |
162 | ||
163 | static void tmdc_poll(struct gameport *gameport) | |
164 | { | |
165 | unsigned char data[2][TMDC_MAX_LENGTH]; | |
166 | struct tmdc *tmdc = gameport_get_drvdata(gameport); | |
167 | struct input_dev *dev; | |
168 | unsigned char r, bad = 0; | |
169 | int i, j, k, l; | |
170 | ||
171 | tmdc->reads++; | |
172 | ||
173 | if ((r = tmdc_read_packet(tmdc->gameport, data)) != tmdc->exists) | |
174 | bad = 1; | |
175 | else | |
176 | ||
177 | for (j = 0; j < 2; j++) | |
178 | if (r & (1 << j) & tmdc->exists) { | |
179 | ||
180 | if (data[j][TMDC_BYTE_ID] != tmdc->mode[j]) { | |
181 | bad = 1; | |
182 | continue; | |
183 | } | |
184 | ||
185 | dev = tmdc->dev + j; | |
186 | ||
187 | for (i = 0; i < tmdc->absc[j]; i++) { | |
188 | if (tmdc->abs[j][i] < 0) continue; | |
189 | input_report_abs(dev, tmdc->abs[j][i], data[j][tmdc_byte_a[i]]); | |
190 | } | |
191 | ||
192 | switch (tmdc->mode[j]) { | |
193 | ||
194 | case TMDC_MODE_M3DI: | |
195 | ||
196 | i = tmdc_byte_d[0]; | |
197 | input_report_abs(dev, ABS_HAT0X, ((data[j][i] >> 3) & 1) - ((data[j][i] >> 1) & 1)); | |
198 | input_report_abs(dev, ABS_HAT0Y, ((data[j][i] >> 2) & 1) - ( data[j][i] & 1)); | |
199 | break; | |
200 | ||
201 | case TMDC_MODE_AT: | |
202 | ||
203 | i = tmdc_byte_a[3]; | |
204 | input_report_abs(dev, ABS_HAT0X, tmdc_hat_to_axis[(data[j][i] - 141) / 25].x); | |
205 | input_report_abs(dev, ABS_HAT0Y, tmdc_hat_to_axis[(data[j][i] - 141) / 25].y); | |
206 | break; | |
207 | ||
208 | } | |
209 | ||
210 | for (k = l = 0; k < 4; k++) { | |
211 | for (i = 0; i < tmdc->btnc[j][k]; i++) | |
212 | input_report_key(dev, tmdc->btn[j][i + l], | |
213 | ((data[j][tmdc_byte_d[k]] >> (i + tmdc->btno[j][k])) & 1)); | |
214 | l += tmdc->btnc[j][k]; | |
215 | } | |
216 | ||
217 | input_sync(dev); | |
218 | } | |
219 | ||
220 | tmdc->bads += bad; | |
221 | } | |
222 | ||
223 | static int tmdc_open(struct input_dev *dev) | |
224 | { | |
225 | struct tmdc *tmdc = dev->private; | |
226 | ||
227 | gameport_start_polling(tmdc->gameport); | |
228 | return 0; | |
229 | } | |
230 | ||
231 | static void tmdc_close(struct input_dev *dev) | |
232 | { | |
233 | struct tmdc *tmdc = dev->private; | |
234 | ||
235 | gameport_stop_polling(tmdc->gameport); | |
236 | } | |
237 | ||
238 | /* | |
239 | * tmdc_probe() probes for ThrustMaster type joysticks. | |
240 | */ | |
241 | ||
242 | static int tmdc_connect(struct gameport *gameport, struct gameport_driver *drv) | |
243 | { | |
244 | static struct models { | |
245 | unsigned char id; | |
246 | char *name; | |
247 | char abs; | |
248 | char hats; | |
249 | char btnc[4]; | |
250 | char btno[4]; | |
251 | signed char *axes; | |
252 | short *buttons; | |
253 | } models[] = { { 1, "ThrustMaster Millenium 3D Inceptor", 6, 2, { 4, 2 }, { 4, 6 }, tmdc_abs, tmdc_btn_joy }, | |
254 | { 3, "ThrustMaster Rage 3D Gamepad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad }, | |
255 | { 4, "ThrustMaster Attack Throttle", 5, 2, { 4, 6 }, { 4, 2 }, tmdc_abs_at, tmdc_btn_at }, | |
256 | { 8, "ThrustMaster FragMaster", 4, 0, { 8, 2 }, { 0, 0 }, tmdc_abs_fm, tmdc_btn_fm }, | |
257 | { 163, "Thrustmaster Fusion GamePad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad }, | |
258 | { 0, "Unknown %d-axis, %d-button TM device %d", 0, 0, { 0, 0 }, { 0, 0 }, tmdc_abs, tmdc_btn_joy }}; | |
259 | ||
260 | unsigned char data[2][TMDC_MAX_LENGTH]; | |
261 | struct tmdc *tmdc; | |
262 | int i, j, k, l, m; | |
263 | int err; | |
264 | ||
a97e148a | 265 | if (!(tmdc = kzalloc(sizeof(struct tmdc), GFP_KERNEL))) |
1da177e4 LT |
266 | return -ENOMEM; |
267 | ||
268 | tmdc->gameport = gameport; | |
269 | ||
270 | gameport_set_drvdata(gameport, tmdc); | |
271 | ||
272 | err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); | |
273 | if (err) | |
274 | goto fail1; | |
275 | ||
276 | if (!(tmdc->exists = tmdc_read_packet(gameport, data))) { | |
277 | err = -ENODEV; | |
278 | goto fail2; | |
279 | } | |
280 | ||
281 | gameport_set_poll_handler(gameport, tmdc_poll); | |
282 | gameport_set_poll_interval(gameport, 20); | |
283 | ||
284 | for (j = 0; j < 2; j++) | |
285 | if (tmdc->exists & (1 << j)) { | |
286 | ||
287 | tmdc->mode[j] = data[j][TMDC_BYTE_ID]; | |
288 | ||
289 | for (m = 0; models[m].id && models[m].id != tmdc->mode[j]; m++); | |
290 | ||
291 | tmdc->abs[j] = models[m].axes; | |
292 | tmdc->btn[j] = models[m].buttons; | |
293 | ||
294 | if (!models[m].id) { | |
295 | models[m].abs = data[j][TMDC_BYTE_DEF] >> 4; | |
296 | for (k = 0; k < 4; k++) | |
297 | models[m].btnc[k] = k < (data[j][TMDC_BYTE_DEF] & 0xf) ? 8 : 0; | |
298 | } | |
299 | ||
300 | tmdc->absc[j] = models[m].abs; | |
301 | for (k = 0; k < 4; k++) { | |
302 | tmdc->btnc[j][k] = models[m].btnc[k]; | |
303 | tmdc->btno[j][k] = models[m].btno[k]; | |
304 | } | |
305 | ||
306 | sprintf(tmdc->name[j], models[m].name, models[m].abs, | |
307 | (data[j][TMDC_BYTE_DEF] & 0xf) << 3, tmdc->mode[j]); | |
308 | ||
309 | sprintf(tmdc->phys[j], "%s/input%d", gameport->phys, j); | |
310 | ||
311 | tmdc->dev[j].private = tmdc; | |
312 | tmdc->dev[j].open = tmdc_open; | |
313 | tmdc->dev[j].close = tmdc_close; | |
314 | ||
315 | tmdc->dev[j].name = tmdc->name[j]; | |
316 | tmdc->dev[j].phys = tmdc->phys[j]; | |
317 | tmdc->dev[j].id.bustype = BUS_GAMEPORT; | |
318 | tmdc->dev[j].id.vendor = GAMEPORT_ID_VENDOR_THRUSTMASTER; | |
319 | tmdc->dev[j].id.product = models[m].id; | |
320 | tmdc->dev[j].id.version = 0x0100; | |
321 | ||
322 | tmdc->dev[j].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); | |
323 | ||
324 | for (i = 0; i < models[m].abs && i < TMDC_ABS; i++) | |
325 | if (tmdc->abs[j][i] >= 0) | |
326 | input_set_abs_params(&tmdc->dev[j], tmdc->abs[j][i], 8, 248, 2, 4); | |
327 | ||
328 | for (i = 0; i < models[m].hats && i < TMDC_ABS_HAT; i++) | |
329 | input_set_abs_params(&tmdc->dev[j], tmdc_abs_hat[i], -1, 1, 0, 0); | |
330 | ||
331 | ||
332 | for (k = l = 0; k < 4; k++) { | |
333 | for (i = 0; i < models[m].btnc[k] && i < TMDC_BTN; i++) | |
334 | set_bit(tmdc->btn[j][i + l], tmdc->dev[j].keybit); | |
335 | l += models[m].btnc[k]; | |
336 | } | |
337 | ||
338 | input_register_device(tmdc->dev + j); | |
339 | printk(KERN_INFO "input: %s on %s\n", tmdc->name[j], gameport->phys); | |
340 | } | |
341 | ||
342 | return 0; | |
343 | ||
344 | fail2: gameport_close(gameport); | |
345 | fail1: gameport_set_drvdata(gameport, NULL); | |
346 | kfree(tmdc); | |
347 | return err; | |
348 | } | |
349 | ||
350 | static void tmdc_disconnect(struct gameport *gameport) | |
351 | { | |
352 | struct tmdc *tmdc = gameport_get_drvdata(gameport); | |
353 | int i; | |
354 | ||
355 | for (i = 0; i < 2; i++) | |
356 | if (tmdc->exists & (1 << i)) | |
357 | input_unregister_device(tmdc->dev + i); | |
358 | gameport_close(gameport); | |
359 | gameport_set_drvdata(gameport, NULL); | |
360 | kfree(tmdc); | |
361 | } | |
362 | ||
363 | static struct gameport_driver tmdc_drv = { | |
364 | .driver = { | |
365 | .name = "tmdc", | |
366 | }, | |
367 | .description = DRIVER_DESC, | |
368 | .connect = tmdc_connect, | |
369 | .disconnect = tmdc_disconnect, | |
370 | }; | |
371 | ||
372 | static int __init tmdc_init(void) | |
373 | { | |
374 | gameport_register_driver(&tmdc_drv); | |
375 | return 0; | |
376 | } | |
377 | ||
378 | static void __exit tmdc_exit(void) | |
379 | { | |
380 | gameport_unregister_driver(&tmdc_drv); | |
381 | } | |
382 | ||
383 | module_init(tmdc_init); | |
384 | module_exit(tmdc_exit); |