Commit | Line | Data |
---|---|---|
1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * Copyright (c) 1998-2005 Vojtech Pavlik | |
4 | */ | |
5 | ||
6 | /* | |
7 | * Logitech ADI joystick family driver for Linux | |
8 | */ | |
9 | ||
1da177e4 LT |
10 | #include <linux/delay.h> |
11 | #include <linux/kernel.h> | |
12 | #include <linux/module.h> | |
13 | #include <linux/string.h> | |
14 | #include <linux/slab.h> | |
15 | #include <linux/input.h> | |
16 | #include <linux/gameport.h> | |
4e57b681 | 17 | #include <linux/jiffies.h> |
1da177e4 LT |
18 | |
19 | #define DRIVER_DESC "Logitech ADI joystick family driver" | |
20 | ||
21 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
22 | MODULE_DESCRIPTION(DRIVER_DESC); | |
23 | MODULE_LICENSE("GPL"); | |
24 | ||
25 | /* | |
26 | * Times, array sizes, flags, ids. | |
27 | */ | |
28 | ||
29 | #define ADI_MAX_START 200 /* Trigger to packet timeout [200us] */ | |
30 | #define ADI_MAX_STROBE 40 /* Single bit timeout [40us] */ | |
31 | #define ADI_INIT_DELAY 10 /* Delay after init packet [10ms] */ | |
32 | #define ADI_DATA_DELAY 4 /* Delay after data packet [4ms] */ | |
33 | ||
34 | #define ADI_MAX_LENGTH 256 | |
35 | #define ADI_MIN_LENGTH 8 | |
36 | #define ADI_MIN_LEN_LENGTH 10 | |
37 | #define ADI_MIN_ID_LENGTH 66 | |
17dd3f0f | 38 | #define ADI_MAX_NAME_LENGTH 64 |
1da177e4 LT |
39 | #define ADI_MAX_CNAME_LENGTH 16 |
40 | #define ADI_MAX_PHYS_LENGTH 64 | |
41 | ||
42 | #define ADI_FLAG_HAT 0x04 | |
43 | #define ADI_FLAG_10BIT 0x08 | |
44 | ||
45 | #define ADI_ID_TPD 0x01 | |
46 | #define ADI_ID_WGP 0x06 | |
47 | #define ADI_ID_WGPE 0x08 | |
48 | #define ADI_ID_MAX 0x0a | |
49 | ||
50 | /* | |
51 | * Names, buttons, axes ... | |
52 | */ | |
53 | ||
54 | static char *adi_names[] = { "WingMan Extreme Digital", "ThunderPad Digital", "SideCar", "CyberMan 2", | |
55 | "WingMan Interceptor", "WingMan Formula", "WingMan GamePad", | |
56 | "WingMan Extreme Digital 3D", "WingMan GamePad Extreme", | |
57 | "WingMan GamePad USB", "Unknown Device %#x" }; | |
58 | ||
59 | static char adi_wmgpe_abs[] = { ABS_X, ABS_Y, ABS_HAT0X, ABS_HAT0Y }; | |
60 | static char adi_wmi_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, ABS_HAT2X, ABS_HAT2Y }; | |
61 | static char adi_wmed3d_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RZ, ABS_HAT0X, ABS_HAT0Y }; | |
62 | static char adi_cm2_abs[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ }; | |
63 | static char adi_wmf_abs[] = { ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, ABS_HAT2X, ABS_HAT2Y }; | |
64 | ||
65 | static short adi_wmgpe_key[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START, BTN_MODE, BTN_SELECT }; | |
ab0c3443 | 66 | static short adi_wmi_key[] = { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_EXTRA }; |
1da177e4 LT |
67 | static short adi_wmed3d_key[] = { BTN_TRIGGER, BTN_THUMB, BTN_THUMB2, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2 }; |
68 | static short adi_cm2_key[] = { BTN_1, BTN_2, BTN_3, BTN_4, BTN_5, BTN_6, BTN_7, BTN_8 }; | |
69 | ||
70 | static char* adi_abs[] = { adi_wmi_abs, adi_wmgpe_abs, adi_wmf_abs, adi_cm2_abs, adi_wmi_abs, adi_wmf_abs, | |
71 | adi_wmgpe_abs, adi_wmed3d_abs, adi_wmgpe_abs, adi_wmgpe_abs, adi_wmi_abs }; | |
72 | ||
73 | static short* adi_key[] = { adi_wmi_key, adi_wmgpe_key, adi_cm2_key, adi_cm2_key, adi_wmi_key, adi_cm2_key, | |
74 | adi_wmgpe_key, adi_wmed3d_key, adi_wmgpe_key, adi_wmgpe_key, adi_wmi_key }; | |
75 | ||
76 | /* | |
77 | * Hat to axis conversion arrays. | |
78 | */ | |
79 | ||
80 | static struct { | |
81 | int x; | |
82 | int y; | |
83 | } adi_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; | |
84 | ||
85 | /* | |
86 | * Per-port information. | |
87 | */ | |
88 | ||
89 | struct adi { | |
17dd3f0f | 90 | struct input_dev *dev; |
1da177e4 LT |
91 | int length; |
92 | int ret; | |
93 | int idx; | |
94 | unsigned char id; | |
95 | char buttons; | |
96 | char axes10; | |
97 | char axes8; | |
98 | signed char pad; | |
99 | char hats; | |
100 | char *abs; | |
101 | short *key; | |
102 | char name[ADI_MAX_NAME_LENGTH]; | |
103 | char cname[ADI_MAX_CNAME_LENGTH]; | |
104 | char phys[ADI_MAX_PHYS_LENGTH]; | |
105 | unsigned char data[ADI_MAX_LENGTH]; | |
106 | }; | |
107 | ||
108 | struct adi_port { | |
109 | struct gameport *gameport; | |
110 | struct adi adi[2]; | |
111 | int bad; | |
112 | int reads; | |
113 | }; | |
114 | ||
115 | /* | |
116 | * adi_read_packet() reads a Logitech ADI packet. | |
117 | */ | |
118 | ||
119 | static void adi_read_packet(struct adi_port *port) | |
120 | { | |
121 | struct adi *adi = port->adi; | |
122 | struct gameport *gameport = port->gameport; | |
a949087c | 123 | unsigned char u, v, w, x; |
1da177e4 LT |
124 | int t[2], s[2], i; |
125 | unsigned long flags; | |
126 | ||
127 | for (i = 0; i < 2; i++) { | |
128 | adi[i].ret = -1; | |
129 | t[i] = gameport_time(gameport, ADI_MAX_START); | |
130 | s[i] = 0; | |
131 | } | |
132 | ||
133 | local_irq_save(flags); | |
134 | ||
135 | gameport_trigger(gameport); | |
a949087c | 136 | v = gameport_read(gameport); |
1da177e4 LT |
137 | |
138 | do { | |
139 | u = v; | |
140 | w = u ^ (v = x = gameport_read(gameport)); | |
141 | for (i = 0; i < 2; i++, w >>= 2, x >>= 2) { | |
142 | t[i]--; | |
143 | if ((w & 0x30) && s[i]) { | |
144 | if ((w & 0x30) < 0x30 && adi[i].ret < ADI_MAX_LENGTH && t[i] > 0) { | |
145 | adi[i].data[++adi[i].ret] = w; | |
146 | t[i] = gameport_time(gameport, ADI_MAX_STROBE); | |
147 | } else t[i] = 0; | |
148 | } else if (!(x & 0x30)) s[i] = 1; | |
149 | } | |
150 | } while (t[0] > 0 || t[1] > 0); | |
151 | ||
152 | local_irq_restore(flags); | |
153 | ||
154 | return; | |
155 | } | |
156 | ||
157 | /* | |
158 | * adi_move_bits() detects a possible 2-stream mode, and moves | |
159 | * the bits accordingly. | |
160 | */ | |
161 | ||
162 | static void adi_move_bits(struct adi_port *port, int length) | |
163 | { | |
164 | int i; | |
165 | struct adi *adi = port->adi; | |
166 | ||
ab0c3443 | 167 | adi[0].idx = adi[1].idx = 0; |
1da177e4 LT |
168 | |
169 | if (adi[0].ret <= 0 || adi[1].ret <= 0) return; | |
170 | if (adi[0].data[0] & 0x20 || ~adi[1].data[0] & 0x20) return; | |
171 | ||
172 | for (i = 1; i <= adi[1].ret; i++) | |
173 | adi[0].data[((length - 1) >> 1) + i + 1] = adi[1].data[i]; | |
174 | ||
175 | adi[0].ret += adi[1].ret; | |
176 | adi[1].ret = -1; | |
177 | } | |
178 | ||
179 | /* | |
180 | * adi_get_bits() gathers bits from the data packet. | |
181 | */ | |
182 | ||
183 | static inline int adi_get_bits(struct adi *adi, int count) | |
184 | { | |
185 | int bits = 0; | |
186 | int i; | |
187 | if ((adi->idx += count) > adi->ret) return 0; | |
188 | for (i = 0; i < count; i++) | |
189 | bits |= ((adi->data[adi->idx - i] >> 5) & 1) << i; | |
190 | return bits; | |
191 | } | |
192 | ||
193 | /* | |
194 | * adi_decode() decodes Logitech joystick data into input events. | |
195 | */ | |
196 | ||
197 | static int adi_decode(struct adi *adi) | |
198 | { | |
17dd3f0f | 199 | struct input_dev *dev = adi->dev; |
1da177e4 LT |
200 | char *abs = adi->abs; |
201 | short *key = adi->key; | |
202 | int i, t; | |
203 | ||
204 | if (adi->ret < adi->length || adi->id != (adi_get_bits(adi, 4) | (adi_get_bits(adi, 4) << 4))) | |
205 | return -1; | |
206 | ||
207 | for (i = 0; i < adi->axes10; i++) | |
208 | input_report_abs(dev, *abs++, adi_get_bits(adi, 10)); | |
209 | ||
210 | for (i = 0; i < adi->axes8; i++) | |
211 | input_report_abs(dev, *abs++, adi_get_bits(adi, 8)); | |
212 | ||
213 | for (i = 0; i < adi->buttons && i < 63; i++) { | |
214 | if (i == adi->pad) { | |
215 | t = adi_get_bits(adi, 4); | |
216 | input_report_abs(dev, *abs++, ((t >> 2) & 1) - ( t & 1)); | |
217 | input_report_abs(dev, *abs++, ((t >> 1) & 1) - ((t >> 3) & 1)); | |
218 | } | |
219 | input_report_key(dev, *key++, adi_get_bits(adi, 1)); | |
220 | } | |
221 | ||
222 | for (i = 0; i < adi->hats; i++) { | |
223 | if ((t = adi_get_bits(adi, 4)) > 8) t = 0; | |
224 | input_report_abs(dev, *abs++, adi_hat_to_axis[t].x); | |
225 | input_report_abs(dev, *abs++, adi_hat_to_axis[t].y); | |
226 | } | |
227 | ||
228 | for (i = 63; i < adi->buttons; i++) | |
229 | input_report_key(dev, *key++, adi_get_bits(adi, 1)); | |
230 | ||
231 | input_sync(dev); | |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
236 | /* | |
237 | * adi_read() reads the data packet and decodes it. | |
238 | */ | |
239 | ||
240 | static int adi_read(struct adi_port *port) | |
241 | { | |
242 | int i; | |
243 | int result = 0; | |
244 | ||
245 | adi_read_packet(port); | |
246 | adi_move_bits(port, port->adi[0].length); | |
247 | ||
248 | for (i = 0; i < 2; i++) | |
249 | if (port->adi[i].length) | |
250 | result |= adi_decode(port->adi + i); | |
251 | ||
252 | return result; | |
253 | } | |
254 | ||
255 | /* | |
256 | * adi_poll() repeatedly polls the Logitech joysticks. | |
257 | */ | |
258 | ||
259 | static void adi_poll(struct gameport *gameport) | |
260 | { | |
261 | struct adi_port *port = gameport_get_drvdata(gameport); | |
262 | ||
263 | port->bad -= adi_read(port); | |
264 | port->reads++; | |
265 | } | |
266 | ||
267 | /* | |
268 | * adi_open() is a callback from the input open routine. | |
269 | */ | |
270 | ||
271 | static int adi_open(struct input_dev *dev) | |
272 | { | |
8715c1cf | 273 | struct adi_port *port = input_get_drvdata(dev); |
1da177e4 LT |
274 | |
275 | gameport_start_polling(port->gameport); | |
276 | return 0; | |
277 | } | |
278 | ||
279 | /* | |
280 | * adi_close() is a callback from the input close routine. | |
281 | */ | |
282 | ||
283 | static void adi_close(struct input_dev *dev) | |
284 | { | |
8715c1cf | 285 | struct adi_port *port = input_get_drvdata(dev); |
1da177e4 LT |
286 | |
287 | gameport_stop_polling(port->gameport); | |
288 | } | |
289 | ||
290 | /* | |
291 | * adi_init_digital() sends a trigger & delay sequence | |
292 | * to reset and initialize a Logitech joystick into digital mode. | |
293 | */ | |
294 | ||
295 | static void adi_init_digital(struct gameport *gameport) | |
296 | { | |
1bf21b33 | 297 | static const int seq[] = { 4, -2, -3, 10, -6, -11, -7, -9, 11, 0 }; |
1da177e4 LT |
298 | int i; |
299 | ||
300 | for (i = 0; seq[i]; i++) { | |
301 | gameport_trigger(gameport); | |
17dd3f0f DT |
302 | if (seq[i] > 0) |
303 | msleep(seq[i]); | |
1da177e4 LT |
304 | if (seq[i] < 0) { |
305 | mdelay(-seq[i]); | |
306 | udelay(-seq[i]*14); /* It looks like mdelay() is off by approx 1.4% */ | |
307 | } | |
308 | } | |
309 | } | |
310 | ||
311 | static void adi_id_decode(struct adi *adi, struct adi_port *port) | |
312 | { | |
313 | int i, t; | |
314 | ||
315 | if (adi->ret < ADI_MIN_ID_LENGTH) /* Minimum ID packet length */ | |
316 | return; | |
317 | ||
318 | if (adi->ret < (t = adi_get_bits(adi, 10))) { | |
319 | printk(KERN_WARNING "adi: Short ID packet: reported: %d != read: %d\n", t, adi->ret); | |
320 | return; | |
321 | } | |
322 | ||
323 | adi->id = adi_get_bits(adi, 4) | (adi_get_bits(adi, 4) << 4); | |
324 | ||
325 | if ((t = adi_get_bits(adi, 4)) & ADI_FLAG_HAT) adi->hats++; | |
326 | ||
327 | adi->length = adi_get_bits(adi, 10); | |
328 | ||
329 | if (adi->length >= ADI_MAX_LENGTH || adi->length < ADI_MIN_LENGTH) { | |
330 | printk(KERN_WARNING "adi: Bad data packet length (%d).\n", adi->length); | |
331 | adi->length = 0; | |
332 | return; | |
333 | } | |
334 | ||
335 | adi->axes8 = adi_get_bits(adi, 4); | |
336 | adi->buttons = adi_get_bits(adi, 6); | |
337 | ||
338 | if (adi_get_bits(adi, 6) != 8 && adi->hats) { | |
339 | printk(KERN_WARNING "adi: Other than 8-dir POVs not supported yet.\n"); | |
340 | adi->length = 0; | |
341 | return; | |
342 | } | |
343 | ||
344 | adi->buttons += adi_get_bits(adi, 6); | |
345 | adi->hats += adi_get_bits(adi, 4); | |
346 | ||
347 | i = adi_get_bits(adi, 4); | |
348 | ||
349 | if (t & ADI_FLAG_10BIT) { | |
350 | adi->axes10 = adi->axes8 - i; | |
351 | adi->axes8 = i; | |
352 | } | |
353 | ||
354 | t = adi_get_bits(adi, 4); | |
355 | ||
356 | for (i = 0; i < t; i++) | |
357 | adi->cname[i] = adi_get_bits(adi, 8); | |
358 | adi->cname[i] = 0; | |
359 | ||
360 | t = 8 + adi->buttons + adi->axes10 * 10 + adi->axes8 * 8 + adi->hats * 4; | |
361 | if (adi->length != t && adi->length != t + (t & 1)) { | |
362 | printk(KERN_WARNING "adi: Expected length %d != data length %d\n", t, adi->length); | |
363 | adi->length = 0; | |
364 | return; | |
365 | } | |
366 | ||
367 | switch (adi->id) { | |
368 | case ADI_ID_TPD: | |
369 | adi->pad = 4; | |
370 | adi->buttons -= 4; | |
371 | break; | |
372 | case ADI_ID_WGP: | |
373 | adi->pad = 0; | |
374 | adi->buttons -= 4; | |
375 | break; | |
376 | default: | |
377 | adi->pad = -1; | |
378 | break; | |
379 | } | |
380 | } | |
381 | ||
17dd3f0f | 382 | static int adi_init_input(struct adi *adi, struct adi_port *port, int half) |
1da177e4 | 383 | { |
17dd3f0f | 384 | struct input_dev *input_dev; |
1da177e4 | 385 | char buf[ADI_MAX_NAME_LENGTH]; |
17dd3f0f | 386 | int i, t; |
1da177e4 | 387 | |
17dd3f0f DT |
388 | adi->dev = input_dev = input_allocate_device(); |
389 | if (!input_dev) | |
390 | return -ENOMEM; | |
1da177e4 LT |
391 | |
392 | t = adi->id < ADI_ID_MAX ? adi->id : ADI_ID_MAX; | |
393 | ||
394 | snprintf(buf, ADI_MAX_PHYS_LENGTH, adi_names[t], adi->id); | |
17dd3f0f | 395 | snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s [%s]", buf, adi->cname); |
1da177e4 LT |
396 | snprintf(adi->phys, ADI_MAX_PHYS_LENGTH, "%s/input%d", port->gameport->phys, half); |
397 | ||
398 | adi->abs = adi_abs[t]; | |
399 | adi->key = adi_key[t]; | |
400 | ||
17dd3f0f DT |
401 | input_dev->name = adi->name; |
402 | input_dev->phys = adi->phys; | |
403 | input_dev->id.bustype = BUS_GAMEPORT; | |
404 | input_dev->id.vendor = GAMEPORT_ID_VENDOR_LOGITECH; | |
405 | input_dev->id.product = adi->id; | |
406 | input_dev->id.version = 0x0100; | |
935e658e | 407 | input_dev->dev.parent = &port->gameport->dev; |
8715c1cf DT |
408 | |
409 | input_set_drvdata(input_dev, port); | |
1da177e4 | 410 | |
17dd3f0f DT |
411 | input_dev->open = adi_open; |
412 | input_dev->close = adi_close; | |
1da177e4 | 413 | |
7b19ada2 | 414 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
1da177e4 LT |
415 | |
416 | for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) | |
17dd3f0f | 417 | set_bit(adi->abs[i], input_dev->absbit); |
1da177e4 LT |
418 | |
419 | for (i = 0; i < adi->buttons; i++) | |
17dd3f0f DT |
420 | set_bit(adi->key[i], input_dev->keybit); |
421 | ||
422 | return 0; | |
1da177e4 LT |
423 | } |
424 | ||
425 | static void adi_init_center(struct adi *adi) | |
426 | { | |
427 | int i, t, x; | |
428 | ||
429 | if (!adi->length) | |
430 | return; | |
431 | ||
432 | for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) { | |
433 | ||
434 | t = adi->abs[i]; | |
987a6c02 | 435 | x = input_abs_get_val(adi->dev, t); |
1da177e4 LT |
436 | |
437 | if (t == ABS_THROTTLE || t == ABS_RUDDER || adi->id == ADI_ID_WGPE) | |
438 | x = i < adi->axes10 ? 512 : 128; | |
439 | ||
440 | if (i < adi->axes10) | |
17dd3f0f | 441 | input_set_abs_params(adi->dev, t, 64, x * 2 - 64, 2, 16); |
1da177e4 | 442 | else if (i < adi->axes10 + adi->axes8) |
17dd3f0f | 443 | input_set_abs_params(adi->dev, t, 48, x * 2 - 48, 1, 16); |
1da177e4 | 444 | else |
17dd3f0f | 445 | input_set_abs_params(adi->dev, t, -1, 1, 0, 0); |
1da177e4 LT |
446 | } |
447 | } | |
448 | ||
449 | /* | |
450 | * adi_connect() probes for Logitech ADI joysticks. | |
451 | */ | |
452 | ||
453 | static int adi_connect(struct gameport *gameport, struct gameport_driver *drv) | |
454 | { | |
455 | struct adi_port *port; | |
456 | int i; | |
457 | int err; | |
458 | ||
17dd3f0f DT |
459 | port = kzalloc(sizeof(struct adi_port), GFP_KERNEL); |
460 | if (!port) | |
1da177e4 LT |
461 | return -ENOMEM; |
462 | ||
463 | port->gameport = gameport; | |
464 | ||
465 | gameport_set_drvdata(gameport, port); | |
466 | ||
467 | err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); | |
17dd3f0f DT |
468 | if (err) |
469 | goto fail1; | |
1da177e4 LT |
470 | |
471 | adi_init_digital(gameport); | |
472 | adi_read_packet(port); | |
473 | ||
474 | if (port->adi[0].ret >= ADI_MIN_LEN_LENGTH) | |
475 | adi_move_bits(port, adi_get_bits(port->adi, 10)); | |
476 | ||
477 | for (i = 0; i < 2; i++) { | |
478 | adi_id_decode(port->adi + i, port); | |
17dd3f0f DT |
479 | |
480 | if (!port->adi[i].length) | |
481 | continue; | |
482 | ||
483 | err = adi_init_input(port->adi + i, port, i); | |
484 | if (err) | |
485 | goto fail2; | |
1da177e4 LT |
486 | } |
487 | ||
488 | if (!port->adi[0].length && !port->adi[1].length) { | |
17dd3f0f DT |
489 | err = -ENODEV; |
490 | goto fail2; | |
1da177e4 LT |
491 | } |
492 | ||
493 | gameport_set_poll_handler(gameport, adi_poll); | |
494 | gameport_set_poll_interval(gameport, 20); | |
495 | ||
496 | msleep(ADI_INIT_DELAY); | |
497 | if (adi_read(port)) { | |
498 | msleep(ADI_DATA_DELAY); | |
499 | adi_read(port); | |
500 | } | |
501 | ||
502 | for (i = 0; i < 2; i++) | |
503 | if (port->adi[i].length > 0) { | |
504 | adi_init_center(port->adi + i); | |
127278ce DT |
505 | err = input_register_device(port->adi[i].dev); |
506 | if (err) | |
507 | goto fail3; | |
1da177e4 LT |
508 | } |
509 | ||
510 | return 0; | |
17dd3f0f | 511 | |
127278ce DT |
512 | fail3: while (--i >= 0) { |
513 | if (port->adi[i].length > 0) { | |
514 | input_unregister_device(port->adi[i].dev); | |
515 | port->adi[i].dev = NULL; | |
516 | } | |
517 | } | |
17dd3f0f | 518 | fail2: for (i = 0; i < 2; i++) |
de3748f6 | 519 | input_free_device(port->adi[i].dev); |
17dd3f0f DT |
520 | gameport_close(gameport); |
521 | fail1: gameport_set_drvdata(gameport, NULL); | |
522 | kfree(port); | |
523 | return err; | |
1da177e4 LT |
524 | } |
525 | ||
526 | static void adi_disconnect(struct gameport *gameport) | |
527 | { | |
528 | int i; | |
529 | struct adi_port *port = gameport_get_drvdata(gameport); | |
530 | ||
531 | for (i = 0; i < 2; i++) | |
532 | if (port->adi[i].length > 0) | |
17dd3f0f | 533 | input_unregister_device(port->adi[i].dev); |
1da177e4 LT |
534 | gameport_close(gameport); |
535 | gameport_set_drvdata(gameport, NULL); | |
536 | kfree(port); | |
537 | } | |
538 | ||
1da177e4 LT |
539 | static struct gameport_driver adi_drv = { |
540 | .driver = { | |
541 | .name = "adi", | |
542 | }, | |
543 | .description = DRIVER_DESC, | |
544 | .connect = adi_connect, | |
545 | .disconnect = adi_disconnect, | |
546 | }; | |
547 | ||
98a84131 | 548 | module_gameport_driver(adi_drv); |