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1da177e4 LT |
1 | /* |
2 | * USB PhidgetInterfaceKit driver 1.0 | |
3 | * | |
4 | * Copyright (C) 2004 Sean Young <sean@mess.org> | |
5 | * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This is a driver for the USB PhidgetInterfaceKit. | |
13 | */ | |
14 | ||
15 | #include <linux/config.h> | |
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 | #define DRIVER_AUTHOR "Sean Young <sean@mess.org>" | |
24 | #define DRIVER_DESC "USB PhidgetInterfaceKit Driver" | |
25 | ||
26 | #define USB_VENDOR_ID_GLAB 0x06c2 | |
27 | #define USB_DEVICE_ID_INTERFACEKIT004 0x0040 | |
28 | #define USB_DEVICE_ID_INTERFACEKIT888 0x0045 | |
29 | #define USB_DEVICE_ID_INTERFACEKIT047 0x0051 | |
30 | #define USB_DEVICE_ID_INTERFACEKIT088 0x0053 | |
31 | ||
32 | #define USB_VENDOR_ID_WISEGROUP 0x0925 | |
33 | #define USB_DEVICE_ID_INTERFACEKIT884 0x8201 | |
34 | ||
35 | #define MAX_INTERFACES 8 | |
36 | ||
37 | struct driver_interfacekit { | |
38 | int sensors; | |
39 | int inputs; | |
40 | int outputs; | |
41 | int has_lcd; | |
42 | }; | |
43 | #define ifkit(_sensors, _inputs, _outputs, _lcd) \ | |
44 | static struct driver_interfacekit ph_##_sensors##_inputs##_outputs = { \ | |
45 | .sensors = _sensors, \ | |
46 | .inputs = _inputs, \ | |
47 | .outputs = _outputs, \ | |
48 | .has_lcd = _lcd, \ | |
49 | }; | |
50 | ifkit(0, 0, 4, 0); | |
51 | ifkit(8, 8, 8, 0); | |
52 | ifkit(0, 4, 7, 1); | |
53 | ifkit(8, 8, 4, 0); | |
54 | ifkit(0, 8, 8, 1); | |
55 | ||
56 | struct phidget_interfacekit { | |
57 | struct usb_device *udev; | |
58 | struct usb_interface *intf; | |
59 | struct driver_interfacekit *ifkit; | |
60 | int outputs[MAX_INTERFACES]; | |
61 | int inputs[MAX_INTERFACES]; | |
62 | int sensors[MAX_INTERFACES]; | |
63 | u8 lcd_files_on; | |
64 | ||
65 | struct urb *irq; | |
66 | unsigned char *data; | |
67 | dma_addr_t data_dma; | |
68 | }; | |
69 | ||
70 | static struct usb_device_id id_table[] = { | |
71 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004), | |
72 | .driver_info = (kernel_ulong_t)&ph_004}, | |
73 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888), | |
74 | .driver_info = (kernel_ulong_t)&ph_888}, | |
75 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047), | |
76 | .driver_info = (kernel_ulong_t)&ph_047}, | |
77 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088), | |
78 | .driver_info = (kernel_ulong_t)&ph_088}, | |
79 | {USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884), | |
80 | .driver_info = (kernel_ulong_t)&ph_884}, | |
81 | {} | |
82 | }; | |
83 | MODULE_DEVICE_TABLE(usb, id_table); | |
84 | ||
85 | static int change_outputs(struct phidget_interfacekit *kit, int output_num, int enable) | |
86 | { | |
87 | unsigned char *buffer; | |
88 | int retval; | |
89 | int n; | |
90 | ||
91 | buffer = kmalloc(4, GFP_KERNEL); | |
92 | if (!buffer) { | |
93 | dev_err(&kit->udev->dev, "%s - out of memory\n", | |
94 | __FUNCTION__); | |
95 | return -ENOMEM; | |
96 | } | |
97 | ||
98 | kit->outputs[output_num] = enable; | |
99 | memset(buffer, 0, 4); | |
100 | for (n=0; n<8; n++) { | |
101 | if (kit->outputs[n]) { | |
102 | buffer[0] |= 1 << n; | |
103 | } | |
104 | } | |
105 | ||
106 | dev_dbg(&kit->udev->dev, "sending data: %02x\n", buffer[0]); | |
107 | ||
108 | retval = usb_control_msg(kit->udev, | |
109 | usb_sndctrlpipe(kit->udev, 0), | |
110 | 0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000); | |
111 | ||
112 | if (retval != 4) | |
113 | dev_err(&kit->udev->dev, "usb_control_msg returned %d\n", | |
114 | retval); | |
115 | kfree(buffer); | |
116 | ||
117 | return retval < 0 ? retval : 0; | |
118 | } | |
119 | ||
120 | static int change_string(struct phidget_interfacekit *kit, const char *display, unsigned char row) | |
121 | { | |
122 | unsigned char *buffer; | |
123 | unsigned char *form_buffer; | |
124 | int retval = -ENOMEM; | |
125 | int i,j, len, buf_ptr; | |
126 | ||
127 | buffer = kmalloc(8, GFP_KERNEL); | |
128 | form_buffer = kmalloc(30, GFP_KERNEL); | |
129 | if ((!buffer) || (!form_buffer)) { | |
130 | dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); | |
131 | goto exit; | |
132 | } | |
133 | ||
134 | len = strlen(display); | |
135 | if (len > 20) | |
136 | len = 20; | |
137 | ||
138 | dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display); | |
139 | ||
140 | form_buffer[0] = row * 0x40 + 0x80; | |
141 | form_buffer[1] = 0x02; | |
142 | buf_ptr = 2; | |
143 | for (i = 0; i<len; i++) | |
144 | form_buffer[buf_ptr++] = display[i]; | |
145 | ||
146 | for (i = 0; i < (20 - len); i++) | |
147 | form_buffer[buf_ptr++] = 0x20; | |
148 | form_buffer[buf_ptr++] = 0x01; | |
149 | form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display); | |
150 | ||
151 | for (i = 0; i < buf_ptr; i += 7) { | |
152 | if ((buf_ptr - i) > 7) | |
153 | len = 7; | |
154 | else | |
155 | len = (buf_ptr - i); | |
156 | for (j = 0; j < len; j++) | |
157 | buffer[j] = form_buffer[i + j]; | |
158 | buffer[7] = len; | |
159 | ||
160 | retval = usb_control_msg(kit->udev, | |
161 | usb_sndctrlpipe(kit->udev, 0), | |
162 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | |
163 | if (retval < 0) | |
164 | goto exit; | |
165 | } | |
166 | ||
167 | retval = 0; | |
168 | exit: | |
169 | kfree(buffer); | |
170 | kfree(form_buffer); | |
171 | ||
172 | return retval; | |
173 | } | |
174 | ||
175 | #define set_lcd_line(number) \ | |
176 | static ssize_t lcd_line_##number(struct device *dev, const char *buf, size_t count) \ | |
177 | { \ | |
178 | struct usb_interface *intf = to_usb_interface(dev); \ | |
179 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
180 | change_string(kit, buf, number - 1); \ | |
181 | return count; \ | |
182 | } \ | |
183 | static DEVICE_ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number); | |
184 | set_lcd_line(1); | |
185 | set_lcd_line(2); | |
186 | ||
187 | static ssize_t set_backlight(struct device *dev, const char *buf, size_t count) | |
188 | { | |
189 | struct usb_interface *intf = to_usb_interface(dev); | |
190 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); | |
191 | int enabled; | |
192 | unsigned char *buffer; | |
193 | int retval = -ENOMEM; | |
194 | ||
195 | buffer = kmalloc(8, GFP_KERNEL); | |
196 | if (!buffer) { | |
197 | dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); | |
198 | goto exit; | |
199 | } | |
200 | ||
201 | if (sscanf(buf, "%d", &enabled) < 1) { | |
202 | retval = -EINVAL; | |
203 | goto exit; | |
204 | } | |
205 | memset(buffer, 0x00, 8); | |
206 | if (enabled) | |
207 | buffer[0] = 0x01; | |
208 | buffer[7] = 0x11; | |
209 | ||
210 | dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off"); | |
211 | ||
212 | retval = usb_control_msg(kit->udev, | |
213 | usb_sndctrlpipe(kit->udev, 0), | |
214 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | |
215 | if (retval < 0) | |
216 | goto exit; | |
217 | ||
218 | retval = count; | |
219 | exit: | |
220 | kfree(buffer); | |
221 | return retval; | |
222 | } | |
223 | static DEVICE_ATTR(backlight, S_IWUGO, NULL, set_backlight); | |
224 | ||
225 | static void remove_lcd_files(struct phidget_interfacekit *kit) | |
226 | { | |
227 | if (kit->lcd_files_on) { | |
228 | dev_dbg(&kit->udev->dev, "Removing lcd files\n"); | |
229 | device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_1); | |
230 | device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_2); | |
231 | device_remove_file(&kit->intf->dev, &dev_attr_backlight); | |
232 | } | |
233 | } | |
234 | ||
235 | static ssize_t enable_lcd_files(struct device *dev, const char *buf, size_t count) | |
236 | { | |
237 | struct usb_interface *intf = to_usb_interface(dev); | |
238 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); | |
239 | int enable; | |
240 | ||
241 | if (kit->ifkit->has_lcd == 0) | |
242 | return -ENODEV; | |
243 | ||
244 | if (sscanf(buf, "%d", &enable) < 1) | |
245 | return -EINVAL; | |
246 | ||
247 | if (enable) { | |
248 | if (!kit->lcd_files_on) { | |
249 | dev_dbg(&kit->udev->dev, "Adding lcd files\n"); | |
250 | device_create_file(&kit->intf->dev, &dev_attr_lcd_line_1); | |
251 | device_create_file(&kit->intf->dev, &dev_attr_lcd_line_2); | |
252 | device_create_file(&kit->intf->dev, &dev_attr_backlight); | |
253 | kit->lcd_files_on = 1; | |
254 | } | |
255 | } else { | |
256 | if (kit->lcd_files_on) { | |
257 | remove_lcd_files(kit); | |
258 | kit->lcd_files_on = 0; | |
259 | } | |
260 | } | |
261 | ||
262 | return count; | |
263 | } | |
264 | static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files); | |
265 | ||
266 | static void interfacekit_irq(struct urb *urb, struct pt_regs *regs) | |
267 | { | |
268 | struct phidget_interfacekit *kit = urb->context; | |
269 | unsigned char *buffer = kit->data; | |
270 | int status; | |
271 | int n; | |
272 | ||
273 | switch (urb->status) { | |
274 | case 0: /* success */ | |
275 | break; | |
276 | case -ECONNRESET: /* unlink */ | |
277 | case -ENOENT: | |
278 | case -ESHUTDOWN: | |
279 | return; | |
280 | /* -EPIPE: should clear the halt */ | |
281 | default: /* error */ | |
282 | goto resubmit; | |
283 | } | |
284 | ||
285 | for (n=0; n<8; n++) { | |
286 | kit->inputs[n] = buffer[1] & (1 << n) ? 1 : 0; | |
287 | } | |
288 | ||
289 | if (buffer[0] & 1) { | |
290 | kit->sensors[4] = buffer[2] + (buffer[3] & 0x0f) * 256; | |
291 | kit->sensors[5] = buffer[4] + (buffer[3] & 0xf0) * 16; | |
292 | kit->sensors[6] = buffer[5] + (buffer[6] & 0x0f) * 256; | |
293 | kit->sensors[7] = buffer[7] + (buffer[6] & 0xf0) * 16; | |
294 | } else { | |
295 | kit->sensors[0] = buffer[2] + (buffer[3] & 0x0f) * 256; | |
296 | kit->sensors[1] = buffer[4] + (buffer[3] & 0xf0) * 16; | |
297 | kit->sensors[2] = buffer[5] + (buffer[6] & 0x0f) * 256; | |
298 | kit->sensors[3] = buffer[7] + (buffer[6] & 0xf0) * 16; | |
299 | } | |
300 | ||
301 | resubmit: | |
302 | status = usb_submit_urb(urb, SLAB_ATOMIC); | |
303 | if (status) | |
304 | err("can't resubmit intr, %s-%s/interfacekit0, status %d", | |
305 | kit->udev->bus->bus_name, | |
306 | kit->udev->devpath, status); | |
307 | } | |
308 | ||
309 | #define show_set_output(value) \ | |
310 | static ssize_t set_output##value(struct device *dev, const char *buf, \ | |
311 | size_t count) \ | |
312 | { \ | |
313 | struct usb_interface *intf = to_usb_interface(dev); \ | |
314 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
315 | int enabled; \ | |
316 | int retval; \ | |
317 | \ | |
318 | if (sscanf(buf, "%d", &enabled) < 1) { \ | |
319 | return -EINVAL; \ | |
320 | } \ | |
321 | \ | |
322 | retval = change_outputs(kit, value - 1, enabled ? 1 : 0); \ | |
323 | \ | |
324 | return retval ? retval : count; \ | |
325 | } \ | |
326 | \ | |
327 | static ssize_t show_output##value(struct device *dev, char *buf) \ | |
328 | { \ | |
329 | struct usb_interface *intf = to_usb_interface(dev); \ | |
330 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
331 | \ | |
332 | return sprintf(buf, "%d\n", kit->outputs[value - 1]); \ | |
333 | } \ | |
334 | static DEVICE_ATTR(output##value, S_IWUGO | S_IRUGO, \ | |
335 | show_output##value, set_output##value); | |
336 | show_set_output(1); | |
337 | show_set_output(2); | |
338 | show_set_output(3); | |
339 | show_set_output(4); | |
340 | show_set_output(5); | |
341 | show_set_output(6); | |
342 | show_set_output(7); | |
343 | show_set_output(8); /* should be MAX_INTERFACES - 1 */ | |
344 | ||
345 | #define show_input(value) \ | |
346 | static ssize_t show_input##value(struct device *dev, char *buf) \ | |
347 | { \ | |
348 | struct usb_interface *intf = to_usb_interface(dev); \ | |
349 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
350 | \ | |
351 | return sprintf(buf, "%d\n", kit->inputs[value - 1]); \ | |
352 | } \ | |
353 | static DEVICE_ATTR(input##value, S_IRUGO, show_input##value, NULL); | |
354 | ||
355 | show_input(1); | |
356 | show_input(2); | |
357 | show_input(3); | |
358 | show_input(4); | |
359 | show_input(5); | |
360 | show_input(6); | |
361 | show_input(7); | |
362 | show_input(8); /* should be MAX_INTERFACES - 1 */ | |
363 | ||
364 | #define show_sensor(value) \ | |
365 | static ssize_t show_sensor##value(struct device *dev, char *buf) \ | |
366 | { \ | |
367 | struct usb_interface *intf = to_usb_interface(dev); \ | |
368 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
369 | \ | |
370 | return sprintf(buf, "%d\n", kit->sensors[value - 1]); \ | |
371 | } \ | |
372 | static DEVICE_ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL); | |
373 | ||
374 | show_sensor(1); | |
375 | show_sensor(2); | |
376 | show_sensor(3); | |
377 | show_sensor(4); | |
378 | show_sensor(5); | |
379 | show_sensor(6); | |
380 | show_sensor(7); | |
381 | show_sensor(8); /* should be MAX_INTERFACES - 1 */ | |
382 | ||
383 | static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
384 | { | |
385 | struct usb_device *dev = interface_to_usbdev(intf); | |
386 | struct usb_host_interface *interface; | |
387 | struct usb_endpoint_descriptor *endpoint; | |
388 | struct phidget_interfacekit *kit; | |
389 | struct driver_interfacekit *ifkit; | |
390 | int pipe, maxp; | |
391 | ||
392 | ifkit = (struct driver_interfacekit *)id->driver_info; | |
393 | if (!ifkit) | |
394 | return -ENODEV; | |
395 | ||
396 | interface = intf->cur_altsetting; | |
397 | if (interface->desc.bNumEndpoints != 1) | |
398 | return -ENODEV; | |
399 | ||
400 | endpoint = &interface->endpoint[0].desc; | |
401 | if (!(endpoint->bEndpointAddress & 0x80)) | |
402 | return -ENODEV; | |
403 | /* | |
404 | * bmAttributes | |
405 | */ | |
406 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); | |
407 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
408 | ||
409 | kit = kmalloc(sizeof(*kit), GFP_KERNEL); | |
410 | if (kit == NULL) { | |
411 | dev_err(&intf->dev, "%s - out of memory\n", __FUNCTION__); | |
412 | return -ENOMEM; | |
413 | } | |
414 | memset(kit, 0, sizeof(*kit)); | |
415 | kit->ifkit = ifkit; | |
416 | ||
417 | kit->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &kit->data_dma); | |
418 | if (!kit->data) { | |
419 | kfree(kit); | |
420 | return -ENOMEM; | |
421 | } | |
422 | ||
423 | kit->irq = usb_alloc_urb(0, GFP_KERNEL); | |
424 | if (!kit->irq) { | |
425 | usb_buffer_free(dev, 8, kit->data, kit->data_dma); | |
426 | kfree(kit); | |
427 | return -ENOMEM; | |
428 | } | |
429 | ||
430 | kit->udev = usb_get_dev(dev); | |
431 | kit->intf = intf; | |
432 | usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, | |
433 | (maxp > 8 ? 8 : maxp), | |
434 | interfacekit_irq, kit, endpoint->bInterval); | |
435 | kit->irq->transfer_dma = kit->data_dma; | |
436 | kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
437 | ||
438 | usb_set_intfdata(intf, kit); | |
439 | ||
440 | if (usb_submit_urb(kit->irq, GFP_KERNEL)) { | |
441 | return -EIO; | |
442 | } | |
443 | ||
444 | if (ifkit->outputs >= 4) { | |
445 | device_create_file(&intf->dev, &dev_attr_output1); | |
446 | device_create_file(&intf->dev, &dev_attr_output2); | |
447 | device_create_file(&intf->dev, &dev_attr_output3); | |
448 | device_create_file(&intf->dev, &dev_attr_output4); | |
449 | } | |
450 | if (ifkit->outputs == 8) { | |
451 | device_create_file(&intf->dev, &dev_attr_output5); | |
452 | device_create_file(&intf->dev, &dev_attr_output6); | |
453 | device_create_file(&intf->dev, &dev_attr_output7); | |
454 | device_create_file(&intf->dev, &dev_attr_output8); | |
455 | } | |
456 | ||
457 | if (ifkit->inputs >= 4) { | |
458 | device_create_file(&intf->dev, &dev_attr_input1); | |
459 | device_create_file(&intf->dev, &dev_attr_input2); | |
460 | device_create_file(&intf->dev, &dev_attr_input3); | |
461 | device_create_file(&intf->dev, &dev_attr_input4); | |
462 | } | |
463 | if (ifkit->inputs == 8) { | |
464 | device_create_file(&intf->dev, &dev_attr_input5); | |
465 | device_create_file(&intf->dev, &dev_attr_input6); | |
466 | device_create_file(&intf->dev, &dev_attr_input7); | |
467 | device_create_file(&intf->dev, &dev_attr_input8); | |
468 | } | |
469 | ||
470 | if (ifkit->sensors >= 4) { | |
471 | device_create_file(&intf->dev, &dev_attr_sensor1); | |
472 | device_create_file(&intf->dev, &dev_attr_sensor2); | |
473 | device_create_file(&intf->dev, &dev_attr_sensor3); | |
474 | device_create_file(&intf->dev, &dev_attr_sensor4); | |
475 | } | |
476 | if (ifkit->sensors >= 7) { | |
477 | device_create_file(&intf->dev, &dev_attr_sensor5); | |
478 | device_create_file(&intf->dev, &dev_attr_sensor6); | |
479 | device_create_file(&intf->dev, &dev_attr_sensor7); | |
480 | } | |
481 | if (ifkit->sensors == 8) { | |
482 | device_create_file(&intf->dev, &dev_attr_sensor8); | |
483 | } | |
484 | ||
485 | if (ifkit->has_lcd) | |
486 | device_create_file(&intf->dev, &dev_attr_lcd); | |
487 | ||
488 | dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n", | |
489 | ifkit->sensors, ifkit->inputs, ifkit->outputs); | |
490 | ||
491 | return 0; | |
492 | } | |
493 | ||
494 | static void interfacekit_disconnect(struct usb_interface *interface) | |
495 | { | |
496 | struct phidget_interfacekit *kit; | |
497 | ||
498 | kit = usb_get_intfdata(interface); | |
499 | usb_set_intfdata(interface, NULL); | |
500 | if (!kit) | |
501 | return; | |
502 | ||
503 | if (kit->ifkit->outputs >= 4) { | |
504 | device_remove_file(&interface->dev, &dev_attr_output1); | |
505 | device_remove_file(&interface->dev, &dev_attr_output2); | |
506 | device_remove_file(&interface->dev, &dev_attr_output3); | |
507 | device_remove_file(&interface->dev, &dev_attr_output4); | |
508 | } | |
509 | if (kit->ifkit->outputs == 8) { | |
510 | device_remove_file(&interface->dev, &dev_attr_output5); | |
511 | device_remove_file(&interface->dev, &dev_attr_output6); | |
512 | device_remove_file(&interface->dev, &dev_attr_output7); | |
513 | device_remove_file(&interface->dev, &dev_attr_output8); | |
514 | } | |
515 | ||
516 | if (kit->ifkit->inputs >= 4) { | |
517 | device_remove_file(&interface->dev, &dev_attr_input1); | |
518 | device_remove_file(&interface->dev, &dev_attr_input2); | |
519 | device_remove_file(&interface->dev, &dev_attr_input3); | |
520 | device_remove_file(&interface->dev, &dev_attr_input4); | |
521 | } | |
522 | if (kit->ifkit->inputs == 8) { | |
523 | device_remove_file(&interface->dev, &dev_attr_input5); | |
524 | device_remove_file(&interface->dev, &dev_attr_input6); | |
525 | device_remove_file(&interface->dev, &dev_attr_input7); | |
526 | device_remove_file(&interface->dev, &dev_attr_input8); | |
527 | } | |
528 | ||
529 | if (kit->ifkit->sensors >= 4) { | |
530 | device_remove_file(&interface->dev, &dev_attr_sensor1); | |
531 | device_remove_file(&interface->dev, &dev_attr_sensor2); | |
532 | device_remove_file(&interface->dev, &dev_attr_sensor3); | |
533 | device_remove_file(&interface->dev, &dev_attr_sensor4); | |
534 | } | |
535 | if (kit->ifkit->sensors >= 7) { | |
536 | device_remove_file(&interface->dev, &dev_attr_sensor5); | |
537 | device_remove_file(&interface->dev, &dev_attr_sensor6); | |
538 | device_remove_file(&interface->dev, &dev_attr_sensor7); | |
539 | } | |
540 | if (kit->ifkit->sensors == 8) { | |
541 | device_remove_file(&interface->dev, &dev_attr_sensor8); | |
542 | } | |
543 | if (kit->ifkit->has_lcd) | |
544 | device_remove_file(&interface->dev, &dev_attr_lcd); | |
545 | ||
546 | dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n", | |
547 | kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs); | |
548 | ||
549 | usb_kill_urb(kit->irq); | |
550 | usb_free_urb(kit->irq); | |
551 | usb_buffer_free(kit->udev, 8, kit->data, kit->data_dma); | |
552 | ||
553 | usb_put_dev(kit->udev); | |
554 | kfree(kit); | |
555 | } | |
556 | ||
557 | static struct usb_driver interfacekit_driver = { | |
558 | .owner = THIS_MODULE, | |
559 | .name = "phidgetkit", | |
560 | .probe = interfacekit_probe, | |
561 | .disconnect = interfacekit_disconnect, | |
562 | .id_table = id_table | |
563 | }; | |
564 | ||
565 | static int __init interfacekit_init(void) | |
566 | { | |
567 | int retval = 0; | |
568 | ||
569 | retval = usb_register(&interfacekit_driver); | |
570 | if (retval) | |
571 | err("usb_register failed. Error number %d", retval); | |
572 | ||
573 | return retval; | |
574 | } | |
575 | ||
576 | static void __exit interfacekit_exit(void) | |
577 | { | |
578 | usb_deregister(&interfacekit_driver); | |
579 | } | |
580 | ||
581 | module_init(interfacekit_init); | |
582 | module_exit(interfacekit_exit); | |
583 | ||
584 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
585 | MODULE_DESCRIPTION(DRIVER_DESC); | |
586 | MODULE_LICENSE("GPL"); |