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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * USB PhidgetInterfaceKit driver 1.0 | |
3 | * | |
69165c29 SY |
4 | * Copyright (C) 2004, 2006 Sean Young <sean@mess.org> |
5 | * Copyright (C) 2005 Daniel Saakes <daniel@saakes.net> | |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | |
69165c29 | 28 | #define USB_DEVICE_ID_INTERFACEKIT01616 0x0044 |
1da177e4 LT |
29 | #define USB_DEVICE_ID_INTERFACEKIT888 0x0045 |
30 | #define USB_DEVICE_ID_INTERFACEKIT047 0x0051 | |
31 | #define USB_DEVICE_ID_INTERFACEKIT088 0x0053 | |
32 | ||
33 | #define USB_VENDOR_ID_WISEGROUP 0x0925 | |
34 | #define USB_DEVICE_ID_INTERFACEKIT884 0x8201 | |
35 | ||
69165c29 SY |
36 | #define MAX_INTERFACES 16 |
37 | ||
38 | #define URB_INT_SIZE 8 | |
1da177e4 LT |
39 | |
40 | struct driver_interfacekit { | |
41 | int sensors; | |
42 | int inputs; | |
43 | int outputs; | |
44 | int has_lcd; | |
45 | }; | |
46 | #define ifkit(_sensors, _inputs, _outputs, _lcd) \ | |
47 | static struct driver_interfacekit ph_##_sensors##_inputs##_outputs = { \ | |
48 | .sensors = _sensors, \ | |
49 | .inputs = _inputs, \ | |
50 | .outputs = _outputs, \ | |
51 | .has_lcd = _lcd, \ | |
52 | }; | |
53 | ifkit(0, 0, 4, 0); | |
54 | ifkit(8, 8, 8, 0); | |
55 | ifkit(0, 4, 7, 1); | |
56 | ifkit(8, 8, 4, 0); | |
57 | ifkit(0, 8, 8, 1); | |
69165c29 | 58 | ifkit(0, 16, 16, 0); |
1da177e4 | 59 | |
69165c29 | 60 | struct interfacekit { |
1da177e4 LT |
61 | struct usb_device *udev; |
62 | struct usb_interface *intf; | |
63 | struct driver_interfacekit *ifkit; | |
69165c29 SY |
64 | unsigned long outputs; |
65 | u8 inputs[MAX_INTERFACES]; | |
66 | u16 sensors[MAX_INTERFACES]; | |
1da177e4 LT |
67 | u8 lcd_files_on; |
68 | ||
69 | struct urb *irq; | |
70 | unsigned char *data; | |
71 | dma_addr_t data_dma; | |
69165c29 SY |
72 | |
73 | struct work_struct do_notify; | |
74 | unsigned long input_events; | |
75 | unsigned long sensor_events; | |
1da177e4 LT |
76 | }; |
77 | ||
78 | static struct usb_device_id id_table[] = { | |
79 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004), | |
80 | .driver_info = (kernel_ulong_t)&ph_004}, | |
81 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888), | |
82 | .driver_info = (kernel_ulong_t)&ph_888}, | |
83 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047), | |
84 | .driver_info = (kernel_ulong_t)&ph_047}, | |
85 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088), | |
86 | .driver_info = (kernel_ulong_t)&ph_088}, | |
69165c29 SY |
87 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT01616), |
88 | .driver_info = (kernel_ulong_t)&ph_01616}, | |
1da177e4 LT |
89 | {USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884), |
90 | .driver_info = (kernel_ulong_t)&ph_884}, | |
91 | {} | |
92 | }; | |
93 | MODULE_DEVICE_TABLE(usb, id_table); | |
94 | ||
69165c29 | 95 | static int change_outputs(struct interfacekit *kit, int output_num, int enable) |
1da177e4 | 96 | { |
69165c29 | 97 | u8 *buffer; |
1da177e4 | 98 | int retval; |
69165c29 SY |
99 | |
100 | if (enable) | |
101 | set_bit(output_num, &kit->outputs); | |
102 | else | |
103 | clear_bit(output_num, &kit->outputs); | |
1da177e4 | 104 | |
17590840 | 105 | buffer = kzalloc(4, GFP_KERNEL); |
1da177e4 | 106 | if (!buffer) { |
69165c29 | 107 | dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); |
1da177e4 LT |
108 | return -ENOMEM; |
109 | } | |
69165c29 SY |
110 | buffer[0] = (u8)kit->outputs; |
111 | buffer[1] = (u8)(kit->outputs >> 8); | |
1da177e4 | 112 | |
69165c29 | 113 | dev_dbg(&kit->udev->dev, "sending data: 0x%04x\n", (u16)kit->outputs); |
1da177e4 LT |
114 | |
115 | retval = usb_control_msg(kit->udev, | |
116 | usb_sndctrlpipe(kit->udev, 0), | |
117 | 0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000); | |
118 | ||
119 | if (retval != 4) | |
120 | dev_err(&kit->udev->dev, "usb_control_msg returned %d\n", | |
121 | retval); | |
122 | kfree(buffer); | |
123 | ||
124 | return retval < 0 ? retval : 0; | |
125 | } | |
126 | ||
69165c29 | 127 | static int change_string(struct interfacekit *kit, const char *display, unsigned char row) |
1da177e4 LT |
128 | { |
129 | unsigned char *buffer; | |
69165c29 | 130 | unsigned char *form_buffer; |
1da177e4 LT |
131 | int retval = -ENOMEM; |
132 | int i,j, len, buf_ptr; | |
133 | ||
134 | buffer = kmalloc(8, GFP_KERNEL); | |
135 | form_buffer = kmalloc(30, GFP_KERNEL); | |
136 | if ((!buffer) || (!form_buffer)) { | |
137 | dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); | |
138 | goto exit; | |
139 | } | |
140 | ||
141 | len = strlen(display); | |
142 | if (len > 20) | |
143 | len = 20; | |
144 | ||
145 | dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display); | |
146 | ||
147 | form_buffer[0] = row * 0x40 + 0x80; | |
148 | form_buffer[1] = 0x02; | |
149 | buf_ptr = 2; | |
150 | for (i = 0; i<len; i++) | |
151 | form_buffer[buf_ptr++] = display[i]; | |
152 | ||
153 | for (i = 0; i < (20 - len); i++) | |
154 | form_buffer[buf_ptr++] = 0x20; | |
155 | form_buffer[buf_ptr++] = 0x01; | |
156 | form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display); | |
157 | ||
158 | for (i = 0; i < buf_ptr; i += 7) { | |
159 | if ((buf_ptr - i) > 7) | |
160 | len = 7; | |
161 | else | |
162 | len = (buf_ptr - i); | |
163 | for (j = 0; j < len; j++) | |
164 | buffer[j] = form_buffer[i + j]; | |
165 | buffer[7] = len; | |
166 | ||
167 | retval = usb_control_msg(kit->udev, | |
168 | usb_sndctrlpipe(kit->udev, 0), | |
169 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | |
170 | if (retval < 0) | |
171 | goto exit; | |
172 | } | |
173 | ||
174 | retval = 0; | |
175 | exit: | |
176 | kfree(buffer); | |
177 | kfree(form_buffer); | |
178 | ||
179 | return retval; | |
180 | } | |
181 | ||
182 | #define set_lcd_line(number) \ | |
060b8845 | 183 | static ssize_t lcd_line_##number(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
1da177e4 LT |
184 | { \ |
185 | struct usb_interface *intf = to_usb_interface(dev); \ | |
69165c29 | 186 | struct interfacekit *kit = usb_get_intfdata(intf); \ |
1da177e4 LT |
187 | change_string(kit, buf, number - 1); \ |
188 | return count; \ | |
189 | } \ | |
190 | static DEVICE_ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number); | |
191 | set_lcd_line(1); | |
192 | set_lcd_line(2); | |
193 | ||
060b8845 | 194 | static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
195 | { |
196 | struct usb_interface *intf = to_usb_interface(dev); | |
69165c29 | 197 | struct interfacekit *kit = usb_get_intfdata(intf); |
1da177e4 LT |
198 | int enabled; |
199 | unsigned char *buffer; | |
200 | int retval = -ENOMEM; | |
201 | ||
17590840 | 202 | buffer = kzalloc(8, GFP_KERNEL); |
1da177e4 LT |
203 | if (!buffer) { |
204 | dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); | |
205 | goto exit; | |
206 | } | |
207 | ||
208 | if (sscanf(buf, "%d", &enabled) < 1) { | |
209 | retval = -EINVAL; | |
210 | goto exit; | |
211 | } | |
1da177e4 LT |
212 | if (enabled) |
213 | buffer[0] = 0x01; | |
214 | buffer[7] = 0x11; | |
215 | ||
216 | dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off"); | |
217 | ||
218 | retval = usb_control_msg(kit->udev, | |
219 | usb_sndctrlpipe(kit->udev, 0), | |
220 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | |
221 | if (retval < 0) | |
222 | goto exit; | |
223 | ||
224 | retval = count; | |
225 | exit: | |
226 | kfree(buffer); | |
227 | return retval; | |
228 | } | |
229 | static DEVICE_ATTR(backlight, S_IWUGO, NULL, set_backlight); | |
230 | ||
69165c29 | 231 | static void remove_lcd_files(struct interfacekit *kit) |
1da177e4 LT |
232 | { |
233 | if (kit->lcd_files_on) { | |
234 | dev_dbg(&kit->udev->dev, "Removing lcd files\n"); | |
235 | device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_1); | |
236 | device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_2); | |
237 | device_remove_file(&kit->intf->dev, &dev_attr_backlight); | |
238 | } | |
239 | } | |
240 | ||
060b8845 | 241 | static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
242 | { |
243 | struct usb_interface *intf = to_usb_interface(dev); | |
69165c29 | 244 | struct interfacekit *kit = usb_get_intfdata(intf); |
1da177e4 LT |
245 | int enable; |
246 | ||
247 | if (kit->ifkit->has_lcd == 0) | |
248 | return -ENODEV; | |
249 | ||
250 | if (sscanf(buf, "%d", &enable) < 1) | |
251 | return -EINVAL; | |
252 | ||
253 | if (enable) { | |
254 | if (!kit->lcd_files_on) { | |
255 | dev_dbg(&kit->udev->dev, "Adding lcd files\n"); | |
256 | device_create_file(&kit->intf->dev, &dev_attr_lcd_line_1); | |
257 | device_create_file(&kit->intf->dev, &dev_attr_lcd_line_2); | |
258 | device_create_file(&kit->intf->dev, &dev_attr_backlight); | |
259 | kit->lcd_files_on = 1; | |
260 | } | |
261 | } else { | |
262 | if (kit->lcd_files_on) { | |
263 | remove_lcd_files(kit); | |
264 | kit->lcd_files_on = 0; | |
265 | } | |
266 | } | |
267 | ||
268 | return count; | |
269 | } | |
270 | static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files); | |
271 | ||
272 | static void interfacekit_irq(struct urb *urb, struct pt_regs *regs) | |
273 | { | |
69165c29 | 274 | struct interfacekit *kit = urb->context; |
1da177e4 | 275 | unsigned char *buffer = kit->data; |
69165c29 | 276 | int i, level, sensor; |
1da177e4 | 277 | int status; |
1da177e4 LT |
278 | |
279 | switch (urb->status) { | |
280 | case 0: /* success */ | |
281 | break; | |
282 | case -ECONNRESET: /* unlink */ | |
283 | case -ENOENT: | |
284 | case -ESHUTDOWN: | |
285 | return; | |
286 | /* -EPIPE: should clear the halt */ | |
287 | default: /* error */ | |
288 | goto resubmit; | |
289 | } | |
290 | ||
69165c29 SY |
291 | /* digital inputs */ |
292 | if (kit->ifkit->inputs == 16) { | |
293 | for (i=0; i < 8; i++) { | |
294 | level = (buffer[0] >> i) & 1; | |
295 | if (kit->inputs[i] != level) { | |
296 | kit->inputs[i] = level; | |
297 | set_bit(i, &kit->input_events); | |
298 | } | |
299 | level = (buffer[1] >> i) & 1; | |
300 | if (kit->inputs[8 + i] != level) { | |
301 | kit->inputs[8 + i] = level; | |
302 | set_bit(8 + i, &kit->input_events); | |
303 | } | |
304 | } | |
305 | } | |
306 | else if (kit->ifkit->inputs == 8) { | |
307 | for (i=0; i < 8; i++) { | |
308 | level = (buffer[1] >> i) & 1; | |
309 | if (kit->inputs[i] != level) { | |
310 | kit->inputs[i] = level; | |
311 | set_bit(i, &kit->input_events); | |
312 | } | |
313 | } | |
1da177e4 LT |
314 | } |
315 | ||
69165c29 SY |
316 | /* analog inputs */ |
317 | if (kit->ifkit->sensors) { | |
318 | sensor = (buffer[0] & 1) ? 4 : 0; | |
319 | ||
320 | level = buffer[2] + (buffer[3] & 0x0f) * 256; | |
321 | if (level != kit->sensors[sensor]) { | |
322 | kit->sensors[sensor] = level; | |
323 | set_bit(sensor, &kit->sensor_events); | |
324 | } | |
325 | sensor++; | |
326 | level = buffer[4] + (buffer[3] & 0xf0) * 16; | |
327 | if (level != kit->sensors[sensor]) { | |
328 | kit->sensors[sensor] = level; | |
329 | set_bit(sensor, &kit->sensor_events); | |
330 | } | |
331 | sensor++; | |
332 | level = buffer[5] + (buffer[6] & 0x0f) * 256; | |
333 | if (level != kit->sensors[sensor]) { | |
334 | kit->sensors[sensor] = level; | |
335 | set_bit(sensor, &kit->sensor_events); | |
336 | } | |
337 | sensor++; | |
338 | level = buffer[7] + (buffer[6] & 0xf0) * 16; | |
339 | if (level != kit->sensors[sensor]) { | |
340 | kit->sensors[sensor] = level; | |
341 | set_bit(sensor, &kit->sensor_events); | |
342 | } | |
1da177e4 LT |
343 | } |
344 | ||
69165c29 SY |
345 | if (kit->input_events || kit->sensor_events) |
346 | schedule_work(&kit->do_notify); | |
347 | ||
1da177e4 LT |
348 | resubmit: |
349 | status = usb_submit_urb(urb, SLAB_ATOMIC); | |
350 | if (status) | |
351 | err("can't resubmit intr, %s-%s/interfacekit0, status %d", | |
352 | kit->udev->bus->bus_name, | |
353 | kit->udev->devpath, status); | |
354 | } | |
355 | ||
69165c29 SY |
356 | static void do_notify(void *data) |
357 | { | |
358 | struct interfacekit *kit = data; | |
359 | int i; | |
360 | char sysfs_file[8]; | |
361 | ||
362 | for (i=0; i<kit->ifkit->inputs; i++) { | |
363 | if (test_and_clear_bit(i, &kit->input_events)) { | |
364 | sprintf(sysfs_file, "input%d", i + 1); | |
365 | sysfs_notify(&kit->intf->dev.kobj, NULL, sysfs_file); | |
366 | } | |
367 | } | |
368 | ||
369 | for (i=0; i<kit->ifkit->sensors; i++) { | |
370 | if (test_and_clear_bit(i, &kit->sensor_events)) { | |
371 | sprintf(sysfs_file, "sensor%d", i + 1); | |
372 | sysfs_notify(&kit->intf->dev.kobj, NULL, sysfs_file); | |
373 | } | |
374 | } | |
375 | } | |
376 | ||
1da177e4 | 377 | #define show_set_output(value) \ |
69165c29 | 378 | static ssize_t set_output##value(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
379 | size_t count) \ |
380 | { \ | |
381 | struct usb_interface *intf = to_usb_interface(dev); \ | |
69165c29 | 382 | struct interfacekit *kit = usb_get_intfdata(intf); \ |
1da177e4 LT |
383 | int enabled; \ |
384 | int retval; \ | |
385 | \ | |
69165c29 | 386 | if (sscanf(buf, "%d", &enabled) < 1) \ |
1da177e4 | 387 | return -EINVAL; \ |
1da177e4 | 388 | \ |
69165c29 | 389 | retval = change_outputs(kit, value - 1, enabled); \ |
1da177e4 LT |
390 | \ |
391 | return retval ? retval : count; \ | |
392 | } \ | |
393 | \ | |
060b8845 | 394 | static ssize_t show_output##value(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
395 | { \ |
396 | struct usb_interface *intf = to_usb_interface(dev); \ | |
69165c29 | 397 | struct interfacekit *kit = usb_get_intfdata(intf); \ |
1da177e4 | 398 | \ |
69165c29 | 399 | return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\ |
1da177e4 LT |
400 | } \ |
401 | static DEVICE_ATTR(output##value, S_IWUGO | S_IRUGO, \ | |
402 | show_output##value, set_output##value); | |
403 | show_set_output(1); | |
404 | show_set_output(2); | |
405 | show_set_output(3); | |
406 | show_set_output(4); | |
407 | show_set_output(5); | |
408 | show_set_output(6); | |
409 | show_set_output(7); | |
69165c29 SY |
410 | show_set_output(8); |
411 | show_set_output(9); | |
412 | show_set_output(10); | |
413 | show_set_output(11); | |
414 | show_set_output(12); | |
415 | show_set_output(13); | |
416 | show_set_output(14); | |
417 | show_set_output(15); | |
418 | show_set_output(16); | |
1da177e4 LT |
419 | |
420 | #define show_input(value) \ | |
060b8845 | 421 | static ssize_t show_input##value(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
422 | { \ |
423 | struct usb_interface *intf = to_usb_interface(dev); \ | |
69165c29 | 424 | struct interfacekit *kit = usb_get_intfdata(intf); \ |
1da177e4 | 425 | \ |
69165c29 | 426 | return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \ |
1da177e4 LT |
427 | } \ |
428 | static DEVICE_ATTR(input##value, S_IRUGO, show_input##value, NULL); | |
429 | ||
430 | show_input(1); | |
431 | show_input(2); | |
432 | show_input(3); | |
433 | show_input(4); | |
434 | show_input(5); | |
435 | show_input(6); | |
436 | show_input(7); | |
69165c29 SY |
437 | show_input(8); |
438 | show_input(9); | |
439 | show_input(10); | |
440 | show_input(11); | |
441 | show_input(12); | |
442 | show_input(13); | |
443 | show_input(14); | |
444 | show_input(15); | |
445 | show_input(16); | |
1da177e4 LT |
446 | |
447 | #define show_sensor(value) \ | |
060b8845 | 448 | static ssize_t show_sensor##value(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
449 | { \ |
450 | struct usb_interface *intf = to_usb_interface(dev); \ | |
69165c29 | 451 | struct interfacekit *kit = usb_get_intfdata(intf); \ |
1da177e4 | 452 | \ |
69165c29 | 453 | return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \ |
1da177e4 LT |
454 | } \ |
455 | static DEVICE_ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL); | |
456 | ||
457 | show_sensor(1); | |
458 | show_sensor(2); | |
459 | show_sensor(3); | |
460 | show_sensor(4); | |
461 | show_sensor(5); | |
462 | show_sensor(6); | |
463 | show_sensor(7); | |
69165c29 | 464 | show_sensor(8); |
1da177e4 LT |
465 | |
466 | static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
467 | { | |
468 | struct usb_device *dev = interface_to_usbdev(intf); | |
469 | struct usb_host_interface *interface; | |
470 | struct usb_endpoint_descriptor *endpoint; | |
69165c29 | 471 | struct interfacekit *kit; |
1da177e4 | 472 | struct driver_interfacekit *ifkit; |
69165c29 | 473 | int pipe, maxp, rc = -ENOMEM; |
1da177e4 LT |
474 | |
475 | ifkit = (struct driver_interfacekit *)id->driver_info; | |
476 | if (!ifkit) | |
477 | return -ENODEV; | |
478 | ||
479 | interface = intf->cur_altsetting; | |
480 | if (interface->desc.bNumEndpoints != 1) | |
481 | return -ENODEV; | |
482 | ||
483 | endpoint = &interface->endpoint[0].desc; | |
484 | if (!(endpoint->bEndpointAddress & 0x80)) | |
485 | return -ENODEV; | |
486 | /* | |
487 | * bmAttributes | |
488 | */ | |
489 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); | |
490 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
491 | ||
17590840 | 492 | kit = kzalloc(sizeof(*kit), GFP_KERNEL); |
69165c29 SY |
493 | if (!kit) |
494 | goto out; | |
1da177e4 | 495 | |
69165c29 SY |
496 | kit->ifkit = ifkit; |
497 | kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_ATOMIC, &kit->data_dma); | |
498 | if (!kit->data) | |
499 | goto out; | |
1da177e4 LT |
500 | |
501 | kit->irq = usb_alloc_urb(0, GFP_KERNEL); | |
69165c29 SY |
502 | if (!kit->irq) |
503 | goto out; | |
1da177e4 LT |
504 | |
505 | kit->udev = usb_get_dev(dev); | |
506 | kit->intf = intf; | |
69165c29 | 507 | INIT_WORK(&kit->do_notify, do_notify, kit); |
1da177e4 | 508 | usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, |
69165c29 | 509 | maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp, |
1da177e4 LT |
510 | interfacekit_irq, kit, endpoint->bInterval); |
511 | kit->irq->transfer_dma = kit->data_dma; | |
512 | kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
513 | ||
514 | usb_set_intfdata(intf, kit); | |
515 | ||
516 | if (usb_submit_urb(kit->irq, GFP_KERNEL)) { | |
69165c29 SY |
517 | rc = -EIO; |
518 | goto out; | |
1da177e4 LT |
519 | } |
520 | ||
521 | if (ifkit->outputs >= 4) { | |
522 | device_create_file(&intf->dev, &dev_attr_output1); | |
523 | device_create_file(&intf->dev, &dev_attr_output2); | |
524 | device_create_file(&intf->dev, &dev_attr_output3); | |
525 | device_create_file(&intf->dev, &dev_attr_output4); | |
526 | } | |
69165c29 | 527 | if (ifkit->outputs >= 8) { |
1da177e4 LT |
528 | device_create_file(&intf->dev, &dev_attr_output5); |
529 | device_create_file(&intf->dev, &dev_attr_output6); | |
530 | device_create_file(&intf->dev, &dev_attr_output7); | |
531 | device_create_file(&intf->dev, &dev_attr_output8); | |
532 | } | |
69165c29 SY |
533 | if (ifkit->outputs == 16) { |
534 | device_create_file(&intf->dev, &dev_attr_output9); | |
535 | device_create_file(&intf->dev, &dev_attr_output10); | |
536 | device_create_file(&intf->dev, &dev_attr_output11); | |
537 | device_create_file(&intf->dev, &dev_attr_output12); | |
538 | device_create_file(&intf->dev, &dev_attr_output13); | |
539 | device_create_file(&intf->dev, &dev_attr_output14); | |
540 | device_create_file(&intf->dev, &dev_attr_output15); | |
541 | device_create_file(&intf->dev, &dev_attr_output16); | |
542 | } | |
1da177e4 LT |
543 | |
544 | if (ifkit->inputs >= 4) { | |
545 | device_create_file(&intf->dev, &dev_attr_input1); | |
546 | device_create_file(&intf->dev, &dev_attr_input2); | |
547 | device_create_file(&intf->dev, &dev_attr_input3); | |
548 | device_create_file(&intf->dev, &dev_attr_input4); | |
549 | } | |
69165c29 | 550 | if (ifkit->inputs >= 8) { |
1da177e4 LT |
551 | device_create_file(&intf->dev, &dev_attr_input5); |
552 | device_create_file(&intf->dev, &dev_attr_input6); | |
553 | device_create_file(&intf->dev, &dev_attr_input7); | |
554 | device_create_file(&intf->dev, &dev_attr_input8); | |
555 | } | |
69165c29 SY |
556 | if (ifkit->inputs == 16) { |
557 | device_create_file(&intf->dev, &dev_attr_input9); | |
558 | device_create_file(&intf->dev, &dev_attr_input10); | |
559 | device_create_file(&intf->dev, &dev_attr_input11); | |
560 | device_create_file(&intf->dev, &dev_attr_input12); | |
561 | device_create_file(&intf->dev, &dev_attr_input13); | |
562 | device_create_file(&intf->dev, &dev_attr_input14); | |
563 | device_create_file(&intf->dev, &dev_attr_input15); | |
564 | device_create_file(&intf->dev, &dev_attr_input16); | |
565 | } | |
1da177e4 LT |
566 | |
567 | if (ifkit->sensors >= 4) { | |
568 | device_create_file(&intf->dev, &dev_attr_sensor1); | |
569 | device_create_file(&intf->dev, &dev_attr_sensor2); | |
570 | device_create_file(&intf->dev, &dev_attr_sensor3); | |
571 | device_create_file(&intf->dev, &dev_attr_sensor4); | |
572 | } | |
573 | if (ifkit->sensors >= 7) { | |
574 | device_create_file(&intf->dev, &dev_attr_sensor5); | |
575 | device_create_file(&intf->dev, &dev_attr_sensor6); | |
576 | device_create_file(&intf->dev, &dev_attr_sensor7); | |
577 | } | |
69165c29 | 578 | if (ifkit->sensors == 8) |
1da177e4 | 579 | device_create_file(&intf->dev, &dev_attr_sensor8); |
1da177e4 LT |
580 | |
581 | if (ifkit->has_lcd) | |
582 | device_create_file(&intf->dev, &dev_attr_lcd); | |
583 | ||
584 | dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n", | |
585 | ifkit->sensors, ifkit->inputs, ifkit->outputs); | |
586 | ||
587 | return 0; | |
69165c29 SY |
588 | |
589 | out: | |
590 | if (kit) { | |
591 | if (kit->irq) | |
592 | usb_free_urb(kit->irq); | |
593 | if (kit->data) | |
594 | usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma); | |
595 | kfree(kit); | |
596 | } | |
597 | ||
598 | return rc; | |
1da177e4 LT |
599 | } |
600 | ||
601 | static void interfacekit_disconnect(struct usb_interface *interface) | |
602 | { | |
69165c29 | 603 | struct interfacekit *kit; |
1da177e4 LT |
604 | |
605 | kit = usb_get_intfdata(interface); | |
606 | usb_set_intfdata(interface, NULL); | |
607 | if (!kit) | |
608 | return; | |
609 | ||
69165c29 SY |
610 | usb_kill_urb(kit->irq); |
611 | usb_free_urb(kit->irq); | |
612 | usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma); | |
613 | ||
614 | cancel_delayed_work(&kit->do_notify); | |
615 | ||
1da177e4 LT |
616 | if (kit->ifkit->outputs >= 4) { |
617 | device_remove_file(&interface->dev, &dev_attr_output1); | |
618 | device_remove_file(&interface->dev, &dev_attr_output2); | |
619 | device_remove_file(&interface->dev, &dev_attr_output3); | |
620 | device_remove_file(&interface->dev, &dev_attr_output4); | |
621 | } | |
69165c29 | 622 | if (kit->ifkit->outputs >= 8) { |
1da177e4 LT |
623 | device_remove_file(&interface->dev, &dev_attr_output5); |
624 | device_remove_file(&interface->dev, &dev_attr_output6); | |
625 | device_remove_file(&interface->dev, &dev_attr_output7); | |
626 | device_remove_file(&interface->dev, &dev_attr_output8); | |
627 | } | |
69165c29 SY |
628 | if (kit->ifkit->outputs == 16) { |
629 | device_remove_file(&interface->dev, &dev_attr_output9); | |
630 | device_remove_file(&interface->dev, &dev_attr_output10); | |
631 | device_remove_file(&interface->dev, &dev_attr_output11); | |
632 | device_remove_file(&interface->dev, &dev_attr_output12); | |
633 | device_remove_file(&interface->dev, &dev_attr_output13); | |
634 | device_remove_file(&interface->dev, &dev_attr_output14); | |
635 | device_remove_file(&interface->dev, &dev_attr_output15); | |
636 | device_remove_file(&interface->dev, &dev_attr_output16); | |
637 | } | |
1da177e4 LT |
638 | |
639 | if (kit->ifkit->inputs >= 4) { | |
640 | device_remove_file(&interface->dev, &dev_attr_input1); | |
641 | device_remove_file(&interface->dev, &dev_attr_input2); | |
642 | device_remove_file(&interface->dev, &dev_attr_input3); | |
643 | device_remove_file(&interface->dev, &dev_attr_input4); | |
644 | } | |
69165c29 | 645 | if (kit->ifkit->inputs >= 8) { |
1da177e4 LT |
646 | device_remove_file(&interface->dev, &dev_attr_input5); |
647 | device_remove_file(&interface->dev, &dev_attr_input6); | |
648 | device_remove_file(&interface->dev, &dev_attr_input7); | |
649 | device_remove_file(&interface->dev, &dev_attr_input8); | |
650 | } | |
69165c29 SY |
651 | if (kit->ifkit->inputs == 16) { |
652 | device_remove_file(&interface->dev, &dev_attr_input9); | |
653 | device_remove_file(&interface->dev, &dev_attr_input10); | |
654 | device_remove_file(&interface->dev, &dev_attr_input11); | |
655 | device_remove_file(&interface->dev, &dev_attr_input12); | |
656 | device_remove_file(&interface->dev, &dev_attr_input13); | |
657 | device_remove_file(&interface->dev, &dev_attr_input14); | |
658 | device_remove_file(&interface->dev, &dev_attr_input15); | |
659 | device_remove_file(&interface->dev, &dev_attr_input16); | |
660 | } | |
1da177e4 LT |
661 | |
662 | if (kit->ifkit->sensors >= 4) { | |
663 | device_remove_file(&interface->dev, &dev_attr_sensor1); | |
664 | device_remove_file(&interface->dev, &dev_attr_sensor2); | |
665 | device_remove_file(&interface->dev, &dev_attr_sensor3); | |
666 | device_remove_file(&interface->dev, &dev_attr_sensor4); | |
667 | } | |
668 | if (kit->ifkit->sensors >= 7) { | |
669 | device_remove_file(&interface->dev, &dev_attr_sensor5); | |
670 | device_remove_file(&interface->dev, &dev_attr_sensor6); | |
671 | device_remove_file(&interface->dev, &dev_attr_sensor7); | |
672 | } | |
69165c29 | 673 | if (kit->ifkit->sensors == 8) |
1da177e4 | 674 | device_remove_file(&interface->dev, &dev_attr_sensor8); |
69165c29 | 675 | |
1da177e4 LT |
676 | if (kit->ifkit->has_lcd) |
677 | device_remove_file(&interface->dev, &dev_attr_lcd); | |
678 | ||
679 | dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n", | |
680 | kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs); | |
681 | ||
1da177e4 LT |
682 | usb_put_dev(kit->udev); |
683 | kfree(kit); | |
684 | } | |
685 | ||
686 | static struct usb_driver interfacekit_driver = { | |
1da177e4 LT |
687 | .name = "phidgetkit", |
688 | .probe = interfacekit_probe, | |
689 | .disconnect = interfacekit_disconnect, | |
690 | .id_table = id_table | |
691 | }; | |
692 | ||
693 | static int __init interfacekit_init(void) | |
694 | { | |
695 | int retval = 0; | |
696 | ||
697 | retval = usb_register(&interfacekit_driver); | |
698 | if (retval) | |
699 | err("usb_register failed. Error number %d", retval); | |
700 | ||
701 | return retval; | |
702 | } | |
703 | ||
704 | static void __exit interfacekit_exit(void) | |
705 | { | |
706 | usb_deregister(&interfacekit_driver); | |
707 | } | |
708 | ||
709 | module_init(interfacekit_init); | |
710 | module_exit(interfacekit_exit); | |
711 | ||
712 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
713 | MODULE_DESCRIPTION(DRIVER_DESC); | |
714 | MODULE_LICENSE("GPL"); |