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[mirror_ubuntu-zesty-kernel.git] / drivers / usb / misc / phidgetkit.c
1 /*
2 * USB PhidgetInterfaceKit driver 1.0
3 *
4 * Copyright (C) 2004, 2006 Sean Young <sean@mess.org>
5 * Copyright (C) 2005 Daniel Saakes <daniel@saakes.net>
6 * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This is a driver for the USB PhidgetInterfaceKit.
14 */
15
16 #include <linux/kernel.h>
17 #include <linux/errno.h>
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/module.h>
21 #include <linux/usb.h>
22
23 #include "phidget.h"
24
25 #define DRIVER_AUTHOR "Sean Young <sean@mess.org>"
26 #define DRIVER_DESC "USB PhidgetInterfaceKit Driver"
27
28 #define USB_VENDOR_ID_GLAB 0x06c2
29 #define USB_DEVICE_ID_INTERFACEKIT004 0x0040
30 #define USB_DEVICE_ID_INTERFACEKIT01616 0x0044
31 #define USB_DEVICE_ID_INTERFACEKIT888 0x0045
32 #define USB_DEVICE_ID_INTERFACEKIT047 0x0051
33 #define USB_DEVICE_ID_INTERFACEKIT088 0x0053
34
35 #define USB_VENDOR_ID_WISEGROUP 0x0925
36 #define USB_DEVICE_ID_INTERFACEKIT884 0x8201
37
38 #define MAX_INTERFACES 16
39
40 #define URB_INT_SIZE 8
41
42 struct driver_interfacekit {
43 int sensors;
44 int inputs;
45 int outputs;
46 int has_lcd;
47 };
48 #define ifkit(_sensors, _inputs, _outputs, _lcd) \
49 static struct driver_interfacekit ph_##_sensors##_inputs##_outputs = { \
50 .sensors = _sensors, \
51 .inputs = _inputs, \
52 .outputs = _outputs, \
53 .has_lcd = _lcd, \
54 };
55 ifkit(0, 0, 4, 0);
56 ifkit(8, 8, 8, 0);
57 ifkit(0, 4, 7, 1);
58 ifkit(8, 8, 4, 0);
59 ifkit(0, 8, 8, 1);
60 ifkit(0, 16, 16, 0);
61
62 static unsigned long device_no;
63
64 struct interfacekit {
65 struct usb_device *udev;
66 struct usb_interface *intf;
67 struct driver_interfacekit *ifkit;
68 struct device *dev;
69 unsigned long outputs;
70 int dev_no;
71 u8 inputs[MAX_INTERFACES];
72 u16 sensors[MAX_INTERFACES];
73 u8 lcd_files_on;
74
75 struct urb *irq;
76 unsigned char *data;
77 dma_addr_t data_dma;
78
79 struct work_struct do_notify;
80 unsigned long input_events;
81 unsigned long sensor_events;
82 };
83
84 static struct usb_device_id id_table[] = {
85 {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004),
86 .driver_info = (kernel_ulong_t)&ph_004},
87 {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888),
88 .driver_info = (kernel_ulong_t)&ph_888},
89 {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047),
90 .driver_info = (kernel_ulong_t)&ph_047},
91 {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088),
92 .driver_info = (kernel_ulong_t)&ph_088},
93 {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT01616),
94 .driver_info = (kernel_ulong_t)&ph_01616},
95 {USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884),
96 .driver_info = (kernel_ulong_t)&ph_884},
97 {}
98 };
99 MODULE_DEVICE_TABLE(usb, id_table);
100
101 static int change_outputs(struct interfacekit *kit, int output_num, int enable)
102 {
103 u8 *buffer;
104 int retval;
105
106 if (enable)
107 set_bit(output_num, &kit->outputs);
108 else
109 clear_bit(output_num, &kit->outputs);
110
111 buffer = kzalloc(4, GFP_KERNEL);
112 if (!buffer) {
113 dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
114 return -ENOMEM;
115 }
116 buffer[0] = (u8)kit->outputs;
117 buffer[1] = (u8)(kit->outputs >> 8);
118
119 dev_dbg(&kit->udev->dev, "sending data: 0x%04x\n", (u16)kit->outputs);
120
121 retval = usb_control_msg(kit->udev,
122 usb_sndctrlpipe(kit->udev, 0),
123 0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000);
124
125 if (retval != 4)
126 dev_err(&kit->udev->dev, "usb_control_msg returned %d\n",
127 retval);
128 kfree(buffer);
129
130 return retval < 0 ? retval : 0;
131 }
132
133 static int change_string(struct interfacekit *kit, const char *display, unsigned char row)
134 {
135 unsigned char *buffer;
136 unsigned char *form_buffer;
137 int retval = -ENOMEM;
138 int i,j, len, buf_ptr;
139
140 buffer = kmalloc(8, GFP_KERNEL);
141 form_buffer = kmalloc(30, GFP_KERNEL);
142 if ((!buffer) || (!form_buffer)) {
143 dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
144 goto exit;
145 }
146
147 len = strlen(display);
148 if (len > 20)
149 len = 20;
150
151 dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display);
152
153 form_buffer[0] = row * 0x40 + 0x80;
154 form_buffer[1] = 0x02;
155 buf_ptr = 2;
156 for (i = 0; i<len; i++)
157 form_buffer[buf_ptr++] = display[i];
158
159 for (i = 0; i < (20 - len); i++)
160 form_buffer[buf_ptr++] = 0x20;
161 form_buffer[buf_ptr++] = 0x01;
162 form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display);
163
164 for (i = 0; i < buf_ptr; i += 7) {
165 if ((buf_ptr - i) > 7)
166 len = 7;
167 else
168 len = (buf_ptr - i);
169 for (j = 0; j < len; j++)
170 buffer[j] = form_buffer[i + j];
171 buffer[7] = len;
172
173 retval = usb_control_msg(kit->udev,
174 usb_sndctrlpipe(kit->udev, 0),
175 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000);
176 if (retval < 0)
177 goto exit;
178 }
179
180 retval = 0;
181 exit:
182 kfree(buffer);
183 kfree(form_buffer);
184
185 return retval;
186 }
187
188 #define set_lcd_line(number) \
189 static ssize_t lcd_line_##number(struct device *dev, \
190 struct device_attribute *attr, \
191 const char *buf, size_t count) \
192 { \
193 struct interfacekit *kit = dev_get_drvdata(dev); \
194 change_string(kit, buf, number - 1); \
195 return count; \
196 } \
197 static DEVICE_ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number);
198 set_lcd_line(1);
199 set_lcd_line(2);
200
201 static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
202 {
203 struct interfacekit *kit = dev_get_drvdata(dev);
204 int enabled;
205 unsigned char *buffer;
206 int retval = -ENOMEM;
207
208 buffer = kzalloc(8, GFP_KERNEL);
209 if (!buffer) {
210 dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
211 goto exit;
212 }
213
214 if (sscanf(buf, "%d", &enabled) < 1) {
215 retval = -EINVAL;
216 goto exit;
217 }
218 if (enabled)
219 buffer[0] = 0x01;
220 buffer[7] = 0x11;
221
222 dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off");
223
224 retval = usb_control_msg(kit->udev,
225 usb_sndctrlpipe(kit->udev, 0),
226 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000);
227 if (retval < 0)
228 goto exit;
229
230 retval = count;
231 exit:
232 kfree(buffer);
233 return retval;
234 }
235 static DEVICE_ATTR(backlight, S_IWUGO, NULL, set_backlight);
236
237 static void remove_lcd_files(struct interfacekit *kit)
238 {
239 if (kit->lcd_files_on) {
240 dev_dbg(&kit->udev->dev, "Removing lcd files\n");
241 device_remove_file(kit->dev, &dev_attr_lcd_line_1);
242 device_remove_file(kit->dev, &dev_attr_lcd_line_2);
243 device_remove_file(kit->dev, &dev_attr_backlight);
244 }
245 }
246
247 static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
248 {
249 struct interfacekit *kit = dev_get_drvdata(dev);
250 int enable;
251
252 if (kit->ifkit->has_lcd == 0)
253 return -ENODEV;
254
255 if (sscanf(buf, "%d", &enable) < 1)
256 return -EINVAL;
257
258 if (enable) {
259 if (!kit->lcd_files_on) {
260 dev_dbg(&kit->udev->dev, "Adding lcd files\n");
261 device_create_file(kit->dev, &dev_attr_lcd_line_1);
262 device_create_file(kit->dev, &dev_attr_lcd_line_2);
263 device_create_file(kit->dev, &dev_attr_backlight);
264 kit->lcd_files_on = 1;
265 }
266 } else {
267 if (kit->lcd_files_on) {
268 remove_lcd_files(kit);
269 kit->lcd_files_on = 0;
270 }
271 }
272
273 return count;
274 }
275 static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files);
276
277 static void interfacekit_irq(struct urb *urb, struct pt_regs *regs)
278 {
279 struct interfacekit *kit = urb->context;
280 unsigned char *buffer = kit->data;
281 int i, level, sensor;
282 int status;
283
284 switch (urb->status) {
285 case 0: /* success */
286 break;
287 case -ECONNRESET: /* unlink */
288 case -ENOENT:
289 case -ESHUTDOWN:
290 return;
291 /* -EPIPE: should clear the halt */
292 default: /* error */
293 goto resubmit;
294 }
295
296 /* digital inputs */
297 if (kit->ifkit->inputs == 16) {
298 for (i=0; i < 8; i++) {
299 level = (buffer[0] >> i) & 1;
300 if (kit->inputs[i] != level) {
301 kit->inputs[i] = level;
302 set_bit(i, &kit->input_events);
303 }
304 level = (buffer[1] >> i) & 1;
305 if (kit->inputs[8 + i] != level) {
306 kit->inputs[8 + i] = level;
307 set_bit(8 + i, &kit->input_events);
308 }
309 }
310 }
311 else if (kit->ifkit->inputs == 8) {
312 for (i=0; i < 8; i++) {
313 level = (buffer[1] >> i) & 1;
314 if (kit->inputs[i] != level) {
315 kit->inputs[i] = level;
316 set_bit(i, &kit->input_events);
317 }
318 }
319 }
320
321 /* analog inputs */
322 if (kit->ifkit->sensors) {
323 sensor = (buffer[0] & 1) ? 4 : 0;
324
325 level = buffer[2] + (buffer[3] & 0x0f) * 256;
326 if (level != kit->sensors[sensor]) {
327 kit->sensors[sensor] = level;
328 set_bit(sensor, &kit->sensor_events);
329 }
330 sensor++;
331 level = buffer[4] + (buffer[3] & 0xf0) * 16;
332 if (level != kit->sensors[sensor]) {
333 kit->sensors[sensor] = level;
334 set_bit(sensor, &kit->sensor_events);
335 }
336 sensor++;
337 level = buffer[5] + (buffer[6] & 0x0f) * 256;
338 if (level != kit->sensors[sensor]) {
339 kit->sensors[sensor] = level;
340 set_bit(sensor, &kit->sensor_events);
341 }
342 sensor++;
343 level = buffer[7] + (buffer[6] & 0xf0) * 16;
344 if (level != kit->sensors[sensor]) {
345 kit->sensors[sensor] = level;
346 set_bit(sensor, &kit->sensor_events);
347 }
348 }
349
350 if (kit->input_events || kit->sensor_events)
351 schedule_work(&kit->do_notify);
352
353 resubmit:
354 status = usb_submit_urb(urb, SLAB_ATOMIC);
355 if (status)
356 err("can't resubmit intr, %s-%s/interfacekit0, status %d",
357 kit->udev->bus->bus_name,
358 kit->udev->devpath, status);
359 }
360
361 static void do_notify(void *data)
362 {
363 struct interfacekit *kit = data;
364 int i;
365 char sysfs_file[8];
366
367 for (i=0; i<kit->ifkit->inputs; i++) {
368 if (test_and_clear_bit(i, &kit->input_events)) {
369 sprintf(sysfs_file, "input%d", i + 1);
370 sysfs_notify(&kit->dev->kobj, NULL, sysfs_file);
371 }
372 }
373
374 for (i=0; i<kit->ifkit->sensors; i++) {
375 if (test_and_clear_bit(i, &kit->sensor_events)) {
376 sprintf(sysfs_file, "sensor%d", i + 1);
377 sysfs_notify(&kit->dev->kobj, NULL, sysfs_file);
378 }
379 }
380 }
381
382 #define show_set_output(value) \
383 static ssize_t set_output##value(struct device *dev, \
384 struct device_attribute *attr, \
385 const char *buf, size_t count) \
386 { \
387 struct interfacekit *kit = dev_get_drvdata(dev); \
388 int enabled; \
389 int retval; \
390 \
391 if (sscanf(buf, "%d", &enabled) < 1) \
392 return -EINVAL; \
393 \
394 retval = change_outputs(kit, value - 1, enabled); \
395 \
396 return retval ? retval : count; \
397 } \
398 \
399 static ssize_t show_output##value(struct device *dev, \
400 struct device_attribute *attr, \
401 char *buf) \
402 { \
403 struct interfacekit *kit = dev_get_drvdata(dev); \
404 \
405 return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\
406 } \
407 static DEVICE_ATTR(output##value, S_IWUGO | S_IRUGO, \
408 show_output##value, set_output##value);
409 show_set_output(1);
410 show_set_output(2);
411 show_set_output(3);
412 show_set_output(4);
413 show_set_output(5);
414 show_set_output(6);
415 show_set_output(7);
416 show_set_output(8);
417 show_set_output(9);
418 show_set_output(10);
419 show_set_output(11);
420 show_set_output(12);
421 show_set_output(13);
422 show_set_output(14);
423 show_set_output(15);
424 show_set_output(16);
425
426 #define show_input(value) \
427 static ssize_t show_input##value(struct device *dev, struct device_attribute *attr, char *buf) \
428 { \
429 struct interfacekit *kit = dev_get_drvdata(dev); \
430 \
431 return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \
432 } \
433 static DEVICE_ATTR(input##value, S_IRUGO, show_input##value, NULL);
434
435 show_input(1);
436 show_input(2);
437 show_input(3);
438 show_input(4);
439 show_input(5);
440 show_input(6);
441 show_input(7);
442 show_input(8);
443 show_input(9);
444 show_input(10);
445 show_input(11);
446 show_input(12);
447 show_input(13);
448 show_input(14);
449 show_input(15);
450 show_input(16);
451
452 #define show_sensor(value) \
453 static ssize_t show_sensor##value(struct device *dev, \
454 struct device_attribute *attr, \
455 char *buf) \
456 { \
457 struct interfacekit *kit = dev_get_drvdata(dev); \
458 \
459 return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \
460 } \
461 static DEVICE_ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL);
462
463 show_sensor(1);
464 show_sensor(2);
465 show_sensor(3);
466 show_sensor(4);
467 show_sensor(5);
468 show_sensor(6);
469 show_sensor(7);
470 show_sensor(8);
471
472 static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id)
473 {
474 struct usb_device *dev = interface_to_usbdev(intf);
475 struct usb_host_interface *interface;
476 struct usb_endpoint_descriptor *endpoint;
477 struct interfacekit *kit;
478 struct driver_interfacekit *ifkit;
479 int pipe, maxp, rc = -ENOMEM;
480 int bit, value;
481
482 ifkit = (struct driver_interfacekit *)id->driver_info;
483 if (!ifkit)
484 return -ENODEV;
485
486 interface = intf->cur_altsetting;
487 if (interface->desc.bNumEndpoints != 1)
488 return -ENODEV;
489
490 endpoint = &interface->endpoint[0].desc;
491 if (!(endpoint->bEndpointAddress & 0x80))
492 return -ENODEV;
493 /*
494 * bmAttributes
495 */
496 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
497 maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
498
499 kit = kzalloc(sizeof(*kit), GFP_KERNEL);
500 if (!kit)
501 goto out;
502
503 kit->dev_no = -1;
504 kit->ifkit = ifkit;
505 kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_ATOMIC, &kit->data_dma);
506 if (!kit->data)
507 goto out;
508
509 kit->irq = usb_alloc_urb(0, GFP_KERNEL);
510 if (!kit->irq)
511 goto out;
512
513 kit->udev = usb_get_dev(dev);
514 kit->intf = intf;
515 INIT_WORK(&kit->do_notify, do_notify, kit);
516 usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data,
517 maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp,
518 interfacekit_irq, kit, endpoint->bInterval);
519 kit->irq->transfer_dma = kit->data_dma;
520 kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
521
522 usb_set_intfdata(intf, kit);
523
524 do {
525 bit = find_first_zero_bit(&device_no, sizeof(device_no));
526 value = test_and_set_bit(bit, &device_no);
527 } while(value);
528 kit->dev_no = bit;
529
530 kit->dev = device_create(phidget_class, &kit->udev->dev, 0,
531 "interfacekit%d", kit->dev_no);
532 if (IS_ERR(kit->dev)) {
533 rc = PTR_ERR(kit->dev);
534 kit->dev = NULL;
535 goto out;
536 }
537 dev_set_drvdata(kit->dev, kit);
538
539 if (usb_submit_urb(kit->irq, GFP_KERNEL)) {
540 rc = -EIO;
541 goto out;
542 }
543
544 if (ifkit->outputs >= 4) {
545 device_create_file(kit->dev, &dev_attr_output1);
546 device_create_file(kit->dev, &dev_attr_output2);
547 device_create_file(kit->dev, &dev_attr_output3);
548 device_create_file(kit->dev, &dev_attr_output4);
549 }
550 if (ifkit->outputs >= 8) {
551 device_create_file(kit->dev, &dev_attr_output5);
552 device_create_file(kit->dev, &dev_attr_output6);
553 device_create_file(kit->dev, &dev_attr_output7);
554 device_create_file(kit->dev, &dev_attr_output8);
555 }
556 if (ifkit->outputs == 16) {
557 device_create_file(kit->dev, &dev_attr_output9);
558 device_create_file(kit->dev, &dev_attr_output10);
559 device_create_file(kit->dev, &dev_attr_output11);
560 device_create_file(kit->dev, &dev_attr_output12);
561 device_create_file(kit->dev, &dev_attr_output13);
562 device_create_file(kit->dev, &dev_attr_output14);
563 device_create_file(kit->dev, &dev_attr_output15);
564 device_create_file(kit->dev, &dev_attr_output16);
565 }
566
567 if (ifkit->inputs >= 4) {
568 device_create_file(kit->dev, &dev_attr_input1);
569 device_create_file(kit->dev, &dev_attr_input2);
570 device_create_file(kit->dev, &dev_attr_input3);
571 device_create_file(kit->dev, &dev_attr_input4);
572 }
573 if (ifkit->inputs >= 8) {
574 device_create_file(kit->dev, &dev_attr_input5);
575 device_create_file(kit->dev, &dev_attr_input6);
576 device_create_file(kit->dev, &dev_attr_input7);
577 device_create_file(kit->dev, &dev_attr_input8);
578 }
579 if (ifkit->inputs == 16) {
580 device_create_file(kit->dev, &dev_attr_input9);
581 device_create_file(kit->dev, &dev_attr_input10);
582 device_create_file(kit->dev, &dev_attr_input11);
583 device_create_file(kit->dev, &dev_attr_input12);
584 device_create_file(kit->dev, &dev_attr_input13);
585 device_create_file(kit->dev, &dev_attr_input14);
586 device_create_file(kit->dev, &dev_attr_input15);
587 device_create_file(kit->dev, &dev_attr_input16);
588 }
589
590 if (ifkit->sensors >= 4) {
591 device_create_file(kit->dev, &dev_attr_sensor1);
592 device_create_file(kit->dev, &dev_attr_sensor2);
593 device_create_file(kit->dev, &dev_attr_sensor3);
594 device_create_file(kit->dev, &dev_attr_sensor4);
595 }
596 if (ifkit->sensors >= 7) {
597 device_create_file(kit->dev, &dev_attr_sensor5);
598 device_create_file(kit->dev, &dev_attr_sensor6);
599 device_create_file(kit->dev, &dev_attr_sensor7);
600 }
601 if (ifkit->sensors == 8)
602 device_create_file(kit->dev, &dev_attr_sensor8);
603
604 if (ifkit->has_lcd)
605 device_create_file(kit->dev, &dev_attr_lcd);
606
607 dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n",
608 ifkit->sensors, ifkit->inputs, ifkit->outputs);
609
610 return 0;
611
612 out:
613 if (kit) {
614 if (kit->irq)
615 usb_free_urb(kit->irq);
616 if (kit->data)
617 usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma);
618 if (kit->dev)
619 device_unregister(kit->dev);
620 if (kit->dev_no >= 0)
621 clear_bit(kit->dev_no, &device_no);
622
623 kfree(kit);
624 }
625
626 return rc;
627 }
628
629 static void interfacekit_disconnect(struct usb_interface *interface)
630 {
631 struct interfacekit *kit;
632
633 kit = usb_get_intfdata(interface);
634 usb_set_intfdata(interface, NULL);
635 if (!kit)
636 return;
637
638 usb_kill_urb(kit->irq);
639 usb_free_urb(kit->irq);
640 usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma);
641
642 cancel_delayed_work(&kit->do_notify);
643
644 if (kit->ifkit->outputs >= 4) {
645 device_remove_file(kit->dev, &dev_attr_output1);
646 device_remove_file(kit->dev, &dev_attr_output2);
647 device_remove_file(kit->dev, &dev_attr_output3);
648 device_remove_file(kit->dev, &dev_attr_output4);
649 }
650 if (kit->ifkit->outputs >= 8) {
651 device_remove_file(kit->dev, &dev_attr_output5);
652 device_remove_file(kit->dev, &dev_attr_output6);
653 device_remove_file(kit->dev, &dev_attr_output7);
654 device_remove_file(kit->dev, &dev_attr_output8);
655 }
656 if (kit->ifkit->outputs == 16) {
657 device_remove_file(kit->dev, &dev_attr_output9);
658 device_remove_file(kit->dev, &dev_attr_output10);
659 device_remove_file(kit->dev, &dev_attr_output11);
660 device_remove_file(kit->dev, &dev_attr_output12);
661 device_remove_file(kit->dev, &dev_attr_output13);
662 device_remove_file(kit->dev, &dev_attr_output14);
663 device_remove_file(kit->dev, &dev_attr_output15);
664 device_remove_file(kit->dev, &dev_attr_output16);
665 }
666
667 if (kit->ifkit->inputs >= 4) {
668 device_remove_file(kit->dev, &dev_attr_input1);
669 device_remove_file(kit->dev, &dev_attr_input2);
670 device_remove_file(kit->dev, &dev_attr_input3);
671 device_remove_file(kit->dev, &dev_attr_input4);
672 }
673 if (kit->ifkit->inputs >= 8) {
674 device_remove_file(kit->dev, &dev_attr_input5);
675 device_remove_file(kit->dev, &dev_attr_input6);
676 device_remove_file(kit->dev, &dev_attr_input7);
677 device_remove_file(kit->dev, &dev_attr_input8);
678 }
679 if (kit->ifkit->inputs == 16) {
680 device_remove_file(kit->dev, &dev_attr_input9);
681 device_remove_file(kit->dev, &dev_attr_input10);
682 device_remove_file(kit->dev, &dev_attr_input11);
683 device_remove_file(kit->dev, &dev_attr_input12);
684 device_remove_file(kit->dev, &dev_attr_input13);
685 device_remove_file(kit->dev, &dev_attr_input14);
686 device_remove_file(kit->dev, &dev_attr_input15);
687 device_remove_file(kit->dev, &dev_attr_input16);
688 }
689
690 if (kit->ifkit->sensors >= 4) {
691 device_remove_file(kit->dev, &dev_attr_sensor1);
692 device_remove_file(kit->dev, &dev_attr_sensor2);
693 device_remove_file(kit->dev, &dev_attr_sensor3);
694 device_remove_file(kit->dev, &dev_attr_sensor4);
695 }
696 if (kit->ifkit->sensors >= 7) {
697 device_remove_file(kit->dev, &dev_attr_sensor5);
698 device_remove_file(kit->dev, &dev_attr_sensor6);
699 device_remove_file(kit->dev, &dev_attr_sensor7);
700 }
701 if (kit->ifkit->sensors == 8)
702 device_remove_file(kit->dev, &dev_attr_sensor8);
703
704 if (kit->ifkit->has_lcd)
705 device_remove_file(kit->dev, &dev_attr_lcd);
706
707 device_unregister(kit->dev);
708
709 dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n",
710 kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs);
711
712 usb_put_dev(kit->udev);
713 clear_bit(kit->dev_no, &device_no);
714
715 kfree(kit);
716 }
717
718 static struct usb_driver interfacekit_driver = {
719 .name = "phidgetkit",
720 .probe = interfacekit_probe,
721 .disconnect = interfacekit_disconnect,
722 .id_table = id_table
723 };
724
725 static int __init interfacekit_init(void)
726 {
727 int retval = 0;
728
729 retval = usb_register(&interfacekit_driver);
730 if (retval)
731 err("usb_register failed. Error number %d", retval);
732
733 return retval;
734 }
735
736 static void __exit interfacekit_exit(void)
737 {
738 usb_deregister(&interfacekit_driver);
739 }
740
741 module_init(interfacekit_init);
742 module_exit(interfacekit_exit);
743
744 MODULE_AUTHOR(DRIVER_AUTHOR);
745 MODULE_DESCRIPTION(DRIVER_DESC);
746 MODULE_LICENSE("GPL");
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