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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 | ||
17590840 | 91 | buffer = kzalloc(4, GFP_KERNEL); |
1da177e4 LT |
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; | |
1da177e4 LT |
99 | for (n=0; n<8; n++) { |
100 | if (kit->outputs[n]) { | |
101 | buffer[0] |= 1 << n; | |
102 | } | |
103 | } | |
104 | ||
105 | dev_dbg(&kit->udev->dev, "sending data: %02x\n", buffer[0]); | |
106 | ||
107 | retval = usb_control_msg(kit->udev, | |
108 | usb_sndctrlpipe(kit->udev, 0), | |
109 | 0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000); | |
110 | ||
111 | if (retval != 4) | |
112 | dev_err(&kit->udev->dev, "usb_control_msg returned %d\n", | |
113 | retval); | |
114 | kfree(buffer); | |
115 | ||
116 | return retval < 0 ? retval : 0; | |
117 | } | |
118 | ||
119 | static int change_string(struct phidget_interfacekit *kit, const char *display, unsigned char row) | |
120 | { | |
121 | unsigned char *buffer; | |
122 | unsigned char *form_buffer; | |
123 | int retval = -ENOMEM; | |
124 | int i,j, len, buf_ptr; | |
125 | ||
126 | buffer = kmalloc(8, GFP_KERNEL); | |
127 | form_buffer = kmalloc(30, GFP_KERNEL); | |
128 | if ((!buffer) || (!form_buffer)) { | |
129 | dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); | |
130 | goto exit; | |
131 | } | |
132 | ||
133 | len = strlen(display); | |
134 | if (len > 20) | |
135 | len = 20; | |
136 | ||
137 | dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display); | |
138 | ||
139 | form_buffer[0] = row * 0x40 + 0x80; | |
140 | form_buffer[1] = 0x02; | |
141 | buf_ptr = 2; | |
142 | for (i = 0; i<len; i++) | |
143 | form_buffer[buf_ptr++] = display[i]; | |
144 | ||
145 | for (i = 0; i < (20 - len); i++) | |
146 | form_buffer[buf_ptr++] = 0x20; | |
147 | form_buffer[buf_ptr++] = 0x01; | |
148 | form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display); | |
149 | ||
150 | for (i = 0; i < buf_ptr; i += 7) { | |
151 | if ((buf_ptr - i) > 7) | |
152 | len = 7; | |
153 | else | |
154 | len = (buf_ptr - i); | |
155 | for (j = 0; j < len; j++) | |
156 | buffer[j] = form_buffer[i + j]; | |
157 | buffer[7] = len; | |
158 | ||
159 | retval = usb_control_msg(kit->udev, | |
160 | usb_sndctrlpipe(kit->udev, 0), | |
161 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | |
162 | if (retval < 0) | |
163 | goto exit; | |
164 | } | |
165 | ||
166 | retval = 0; | |
167 | exit: | |
168 | kfree(buffer); | |
169 | kfree(form_buffer); | |
170 | ||
171 | return retval; | |
172 | } | |
173 | ||
174 | #define set_lcd_line(number) \ | |
060b8845 | 175 | static ssize_t lcd_line_##number(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
1da177e4 LT |
176 | { \ |
177 | struct usb_interface *intf = to_usb_interface(dev); \ | |
178 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
179 | change_string(kit, buf, number - 1); \ | |
180 | return count; \ | |
181 | } \ | |
182 | static DEVICE_ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number); | |
183 | set_lcd_line(1); | |
184 | set_lcd_line(2); | |
185 | ||
060b8845 | 186 | static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
187 | { |
188 | struct usb_interface *intf = to_usb_interface(dev); | |
189 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); | |
190 | int enabled; | |
191 | unsigned char *buffer; | |
192 | int retval = -ENOMEM; | |
193 | ||
17590840 | 194 | buffer = kzalloc(8, GFP_KERNEL); |
1da177e4 LT |
195 | if (!buffer) { |
196 | dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); | |
197 | goto exit; | |
198 | } | |
199 | ||
200 | if (sscanf(buf, "%d", &enabled) < 1) { | |
201 | retval = -EINVAL; | |
202 | goto exit; | |
203 | } | |
1da177e4 LT |
204 | if (enabled) |
205 | buffer[0] = 0x01; | |
206 | buffer[7] = 0x11; | |
207 | ||
208 | dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off"); | |
209 | ||
210 | retval = usb_control_msg(kit->udev, | |
211 | usb_sndctrlpipe(kit->udev, 0), | |
212 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | |
213 | if (retval < 0) | |
214 | goto exit; | |
215 | ||
216 | retval = count; | |
217 | exit: | |
218 | kfree(buffer); | |
219 | return retval; | |
220 | } | |
221 | static DEVICE_ATTR(backlight, S_IWUGO, NULL, set_backlight); | |
222 | ||
223 | static void remove_lcd_files(struct phidget_interfacekit *kit) | |
224 | { | |
225 | if (kit->lcd_files_on) { | |
226 | dev_dbg(&kit->udev->dev, "Removing lcd files\n"); | |
227 | device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_1); | |
228 | device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_2); | |
229 | device_remove_file(&kit->intf->dev, &dev_attr_backlight); | |
230 | } | |
231 | } | |
232 | ||
060b8845 | 233 | static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
234 | { |
235 | struct usb_interface *intf = to_usb_interface(dev); | |
236 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); | |
237 | int enable; | |
238 | ||
239 | if (kit->ifkit->has_lcd == 0) | |
240 | return -ENODEV; | |
241 | ||
242 | if (sscanf(buf, "%d", &enable) < 1) | |
243 | return -EINVAL; | |
244 | ||
245 | if (enable) { | |
246 | if (!kit->lcd_files_on) { | |
247 | dev_dbg(&kit->udev->dev, "Adding lcd files\n"); | |
248 | device_create_file(&kit->intf->dev, &dev_attr_lcd_line_1); | |
249 | device_create_file(&kit->intf->dev, &dev_attr_lcd_line_2); | |
250 | device_create_file(&kit->intf->dev, &dev_attr_backlight); | |
251 | kit->lcd_files_on = 1; | |
252 | } | |
253 | } else { | |
254 | if (kit->lcd_files_on) { | |
255 | remove_lcd_files(kit); | |
256 | kit->lcd_files_on = 0; | |
257 | } | |
258 | } | |
259 | ||
260 | return count; | |
261 | } | |
262 | static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files); | |
263 | ||
264 | static void interfacekit_irq(struct urb *urb, struct pt_regs *regs) | |
265 | { | |
266 | struct phidget_interfacekit *kit = urb->context; | |
267 | unsigned char *buffer = kit->data; | |
268 | int status; | |
269 | int n; | |
270 | ||
271 | switch (urb->status) { | |
272 | case 0: /* success */ | |
273 | break; | |
274 | case -ECONNRESET: /* unlink */ | |
275 | case -ENOENT: | |
276 | case -ESHUTDOWN: | |
277 | return; | |
278 | /* -EPIPE: should clear the halt */ | |
279 | default: /* error */ | |
280 | goto resubmit; | |
281 | } | |
282 | ||
283 | for (n=0; n<8; n++) { | |
284 | kit->inputs[n] = buffer[1] & (1 << n) ? 1 : 0; | |
285 | } | |
286 | ||
287 | if (buffer[0] & 1) { | |
288 | kit->sensors[4] = buffer[2] + (buffer[3] & 0x0f) * 256; | |
289 | kit->sensors[5] = buffer[4] + (buffer[3] & 0xf0) * 16; | |
290 | kit->sensors[6] = buffer[5] + (buffer[6] & 0x0f) * 256; | |
291 | kit->sensors[7] = buffer[7] + (buffer[6] & 0xf0) * 16; | |
292 | } else { | |
293 | kit->sensors[0] = buffer[2] + (buffer[3] & 0x0f) * 256; | |
294 | kit->sensors[1] = buffer[4] + (buffer[3] & 0xf0) * 16; | |
295 | kit->sensors[2] = buffer[5] + (buffer[6] & 0x0f) * 256; | |
296 | kit->sensors[3] = buffer[7] + (buffer[6] & 0xf0) * 16; | |
297 | } | |
298 | ||
299 | resubmit: | |
300 | status = usb_submit_urb(urb, SLAB_ATOMIC); | |
301 | if (status) | |
302 | err("can't resubmit intr, %s-%s/interfacekit0, status %d", | |
303 | kit->udev->bus->bus_name, | |
304 | kit->udev->devpath, status); | |
305 | } | |
306 | ||
307 | #define show_set_output(value) \ | |
060b8845 | 308 | static ssize_t set_output##value(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
309 | size_t count) \ |
310 | { \ | |
311 | struct usb_interface *intf = to_usb_interface(dev); \ | |
312 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
313 | int enabled; \ | |
314 | int retval; \ | |
315 | \ | |
316 | if (sscanf(buf, "%d", &enabled) < 1) { \ | |
317 | return -EINVAL; \ | |
318 | } \ | |
319 | \ | |
320 | retval = change_outputs(kit, value - 1, enabled ? 1 : 0); \ | |
321 | \ | |
322 | return retval ? retval : count; \ | |
323 | } \ | |
324 | \ | |
060b8845 | 325 | static ssize_t show_output##value(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
326 | { \ |
327 | struct usb_interface *intf = to_usb_interface(dev); \ | |
328 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
329 | \ | |
330 | return sprintf(buf, "%d\n", kit->outputs[value - 1]); \ | |
331 | } \ | |
332 | static DEVICE_ATTR(output##value, S_IWUGO | S_IRUGO, \ | |
333 | show_output##value, set_output##value); | |
334 | show_set_output(1); | |
335 | show_set_output(2); | |
336 | show_set_output(3); | |
337 | show_set_output(4); | |
338 | show_set_output(5); | |
339 | show_set_output(6); | |
340 | show_set_output(7); | |
341 | show_set_output(8); /* should be MAX_INTERFACES - 1 */ | |
342 | ||
343 | #define show_input(value) \ | |
060b8845 | 344 | static ssize_t show_input##value(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
345 | { \ |
346 | struct usb_interface *intf = to_usb_interface(dev); \ | |
347 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
348 | \ | |
349 | return sprintf(buf, "%d\n", kit->inputs[value - 1]); \ | |
350 | } \ | |
351 | static DEVICE_ATTR(input##value, S_IRUGO, show_input##value, NULL); | |
352 | ||
353 | show_input(1); | |
354 | show_input(2); | |
355 | show_input(3); | |
356 | show_input(4); | |
357 | show_input(5); | |
358 | show_input(6); | |
359 | show_input(7); | |
360 | show_input(8); /* should be MAX_INTERFACES - 1 */ | |
361 | ||
362 | #define show_sensor(value) \ | |
060b8845 | 363 | static ssize_t show_sensor##value(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
364 | { \ |
365 | struct usb_interface *intf = to_usb_interface(dev); \ | |
366 | struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ | |
367 | \ | |
368 | return sprintf(buf, "%d\n", kit->sensors[value - 1]); \ | |
369 | } \ | |
370 | static DEVICE_ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL); | |
371 | ||
372 | show_sensor(1); | |
373 | show_sensor(2); | |
374 | show_sensor(3); | |
375 | show_sensor(4); | |
376 | show_sensor(5); | |
377 | show_sensor(6); | |
378 | show_sensor(7); | |
379 | show_sensor(8); /* should be MAX_INTERFACES - 1 */ | |
380 | ||
381 | static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
382 | { | |
383 | struct usb_device *dev = interface_to_usbdev(intf); | |
384 | struct usb_host_interface *interface; | |
385 | struct usb_endpoint_descriptor *endpoint; | |
386 | struct phidget_interfacekit *kit; | |
387 | struct driver_interfacekit *ifkit; | |
388 | int pipe, maxp; | |
389 | ||
390 | ifkit = (struct driver_interfacekit *)id->driver_info; | |
391 | if (!ifkit) | |
392 | return -ENODEV; | |
393 | ||
394 | interface = intf->cur_altsetting; | |
395 | if (interface->desc.bNumEndpoints != 1) | |
396 | return -ENODEV; | |
397 | ||
398 | endpoint = &interface->endpoint[0].desc; | |
399 | if (!(endpoint->bEndpointAddress & 0x80)) | |
400 | return -ENODEV; | |
401 | /* | |
402 | * bmAttributes | |
403 | */ | |
404 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); | |
405 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
406 | ||
17590840 | 407 | kit = kzalloc(sizeof(*kit), GFP_KERNEL); |
1da177e4 LT |
408 | if (kit == NULL) { |
409 | dev_err(&intf->dev, "%s - out of memory\n", __FUNCTION__); | |
410 | return -ENOMEM; | |
411 | } | |
1da177e4 LT |
412 | kit->ifkit = ifkit; |
413 | ||
414 | kit->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &kit->data_dma); | |
415 | if (!kit->data) { | |
416 | kfree(kit); | |
417 | return -ENOMEM; | |
418 | } | |
419 | ||
420 | kit->irq = usb_alloc_urb(0, GFP_KERNEL); | |
421 | if (!kit->irq) { | |
422 | usb_buffer_free(dev, 8, kit->data, kit->data_dma); | |
423 | kfree(kit); | |
424 | return -ENOMEM; | |
425 | } | |
426 | ||
427 | kit->udev = usb_get_dev(dev); | |
428 | kit->intf = intf; | |
429 | usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, | |
430 | (maxp > 8 ? 8 : maxp), | |
431 | interfacekit_irq, kit, endpoint->bInterval); | |
432 | kit->irq->transfer_dma = kit->data_dma; | |
433 | kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
434 | ||
435 | usb_set_intfdata(intf, kit); | |
436 | ||
437 | if (usb_submit_urb(kit->irq, GFP_KERNEL)) { | |
438 | return -EIO; | |
439 | } | |
440 | ||
441 | if (ifkit->outputs >= 4) { | |
442 | device_create_file(&intf->dev, &dev_attr_output1); | |
443 | device_create_file(&intf->dev, &dev_attr_output2); | |
444 | device_create_file(&intf->dev, &dev_attr_output3); | |
445 | device_create_file(&intf->dev, &dev_attr_output4); | |
446 | } | |
447 | if (ifkit->outputs == 8) { | |
448 | device_create_file(&intf->dev, &dev_attr_output5); | |
449 | device_create_file(&intf->dev, &dev_attr_output6); | |
450 | device_create_file(&intf->dev, &dev_attr_output7); | |
451 | device_create_file(&intf->dev, &dev_attr_output8); | |
452 | } | |
453 | ||
454 | if (ifkit->inputs >= 4) { | |
455 | device_create_file(&intf->dev, &dev_attr_input1); | |
456 | device_create_file(&intf->dev, &dev_attr_input2); | |
457 | device_create_file(&intf->dev, &dev_attr_input3); | |
458 | device_create_file(&intf->dev, &dev_attr_input4); | |
459 | } | |
460 | if (ifkit->inputs == 8) { | |
461 | device_create_file(&intf->dev, &dev_attr_input5); | |
462 | device_create_file(&intf->dev, &dev_attr_input6); | |
463 | device_create_file(&intf->dev, &dev_attr_input7); | |
464 | device_create_file(&intf->dev, &dev_attr_input8); | |
465 | } | |
466 | ||
467 | if (ifkit->sensors >= 4) { | |
468 | device_create_file(&intf->dev, &dev_attr_sensor1); | |
469 | device_create_file(&intf->dev, &dev_attr_sensor2); | |
470 | device_create_file(&intf->dev, &dev_attr_sensor3); | |
471 | device_create_file(&intf->dev, &dev_attr_sensor4); | |
472 | } | |
473 | if (ifkit->sensors >= 7) { | |
474 | device_create_file(&intf->dev, &dev_attr_sensor5); | |
475 | device_create_file(&intf->dev, &dev_attr_sensor6); | |
476 | device_create_file(&intf->dev, &dev_attr_sensor7); | |
477 | } | |
478 | if (ifkit->sensors == 8) { | |
479 | device_create_file(&intf->dev, &dev_attr_sensor8); | |
480 | } | |
481 | ||
482 | if (ifkit->has_lcd) | |
483 | device_create_file(&intf->dev, &dev_attr_lcd); | |
484 | ||
485 | dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n", | |
486 | ifkit->sensors, ifkit->inputs, ifkit->outputs); | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | static void interfacekit_disconnect(struct usb_interface *interface) | |
492 | { | |
493 | struct phidget_interfacekit *kit; | |
494 | ||
495 | kit = usb_get_intfdata(interface); | |
496 | usb_set_intfdata(interface, NULL); | |
497 | if (!kit) | |
498 | return; | |
499 | ||
500 | if (kit->ifkit->outputs >= 4) { | |
501 | device_remove_file(&interface->dev, &dev_attr_output1); | |
502 | device_remove_file(&interface->dev, &dev_attr_output2); | |
503 | device_remove_file(&interface->dev, &dev_attr_output3); | |
504 | device_remove_file(&interface->dev, &dev_attr_output4); | |
505 | } | |
506 | if (kit->ifkit->outputs == 8) { | |
507 | device_remove_file(&interface->dev, &dev_attr_output5); | |
508 | device_remove_file(&interface->dev, &dev_attr_output6); | |
509 | device_remove_file(&interface->dev, &dev_attr_output7); | |
510 | device_remove_file(&interface->dev, &dev_attr_output8); | |
511 | } | |
512 | ||
513 | if (kit->ifkit->inputs >= 4) { | |
514 | device_remove_file(&interface->dev, &dev_attr_input1); | |
515 | device_remove_file(&interface->dev, &dev_attr_input2); | |
516 | device_remove_file(&interface->dev, &dev_attr_input3); | |
517 | device_remove_file(&interface->dev, &dev_attr_input4); | |
518 | } | |
519 | if (kit->ifkit->inputs == 8) { | |
520 | device_remove_file(&interface->dev, &dev_attr_input5); | |
521 | device_remove_file(&interface->dev, &dev_attr_input6); | |
522 | device_remove_file(&interface->dev, &dev_attr_input7); | |
523 | device_remove_file(&interface->dev, &dev_attr_input8); | |
524 | } | |
525 | ||
526 | if (kit->ifkit->sensors >= 4) { | |
527 | device_remove_file(&interface->dev, &dev_attr_sensor1); | |
528 | device_remove_file(&interface->dev, &dev_attr_sensor2); | |
529 | device_remove_file(&interface->dev, &dev_attr_sensor3); | |
530 | device_remove_file(&interface->dev, &dev_attr_sensor4); | |
531 | } | |
532 | if (kit->ifkit->sensors >= 7) { | |
533 | device_remove_file(&interface->dev, &dev_attr_sensor5); | |
534 | device_remove_file(&interface->dev, &dev_attr_sensor6); | |
535 | device_remove_file(&interface->dev, &dev_attr_sensor7); | |
536 | } | |
537 | if (kit->ifkit->sensors == 8) { | |
538 | device_remove_file(&interface->dev, &dev_attr_sensor8); | |
539 | } | |
540 | if (kit->ifkit->has_lcd) | |
541 | device_remove_file(&interface->dev, &dev_attr_lcd); | |
542 | ||
543 | dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n", | |
544 | kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs); | |
545 | ||
546 | usb_kill_urb(kit->irq); | |
547 | usb_free_urb(kit->irq); | |
548 | usb_buffer_free(kit->udev, 8, kit->data, kit->data_dma); | |
549 | ||
550 | usb_put_dev(kit->udev); | |
551 | kfree(kit); | |
552 | } | |
553 | ||
554 | static struct usb_driver interfacekit_driver = { | |
1da177e4 LT |
555 | .name = "phidgetkit", |
556 | .probe = interfacekit_probe, | |
557 | .disconnect = interfacekit_disconnect, | |
558 | .id_table = id_table | |
559 | }; | |
560 | ||
561 | static int __init interfacekit_init(void) | |
562 | { | |
563 | int retval = 0; | |
564 | ||
565 | retval = usb_register(&interfacekit_driver); | |
566 | if (retval) | |
567 | err("usb_register failed. Error number %d", retval); | |
568 | ||
569 | return retval; | |
570 | } | |
571 | ||
572 | static void __exit interfacekit_exit(void) | |
573 | { | |
574 | usb_deregister(&interfacekit_driver); | |
575 | } | |
576 | ||
577 | module_init(interfacekit_init); | |
578 | module_exit(interfacekit_exit); | |
579 | ||
580 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
581 | MODULE_DESCRIPTION(DRIVER_DESC); | |
582 | MODULE_LICENSE("GPL"); |