blob: 71cc0c140790462f29b2e1513c38806bfa65d090 [file] [log] [blame]
Ping Cheng3bea7332006-07-13 18:01:36 -07001/*
Dmitry Torokhov4104d132007-05-07 16:16:29 -04002 * drivers/input/tablet/wacom_sys.c
Ping Cheng3bea7332006-07-13 18:01:36 -07003 *
4 * USB Wacom Graphire and Wacom Intuos tablet support - system specific code
5 */
6
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
14#include "wacom.h"
15#include "wacom_wac.h"
16
17#define USB_REQ_GET_REPORT 0x01
18#define USB_REQ_SET_REPORT 0x09
19
20static int usb_get_report(struct usb_interface *intf, unsigned char type,
21 unsigned char id, void *buf, int size)
22{
23 return usb_control_msg(interface_to_usbdev(intf),
24 usb_rcvctrlpipe(interface_to_usbdev(intf), 0),
25 USB_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
26 (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
27 buf, size, 100);
28}
29
30static int usb_set_report(struct usb_interface *intf, unsigned char type,
31 unsigned char id, void *buf, int size)
32{
33 return usb_control_msg(interface_to_usbdev(intf),
34 usb_sndctrlpipe(interface_to_usbdev(intf), 0),
35 USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
36 (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
37 buf, size, 1000);
38}
39
40static struct input_dev * get_input_dev(struct wacom_combo *wcombo)
41{
42 return wcombo->wacom->dev;
43}
44
Adrian Bunk54c9b2262006-11-20 03:23:58 +010045static void wacom_sys_irq(struct urb *urb)
Ping Cheng3bea7332006-07-13 18:01:36 -070046{
47 struct wacom *wacom = urb->context;
48 struct wacom_combo wcombo;
49 int retval;
50
51 switch (urb->status) {
52 case 0:
53 /* success */
54 break;
55 case -ECONNRESET:
56 case -ENOENT:
57 case -ESHUTDOWN:
58 /* this urb is terminated, clean up */
59 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
60 return;
61 default:
62 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
63 goto exit;
64 }
65
66 wcombo.wacom = wacom;
67 wcombo.urb = urb;
Ping Cheng3bea7332006-07-13 18:01:36 -070068
69 if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo))
70 input_sync(get_input_dev(&wcombo));
71
72 exit:
Oliver Neukume7224092008-04-15 01:31:57 -040073 usb_mark_last_busy(wacom->usbdev);
Ping Cheng3bea7332006-07-13 18:01:36 -070074 retval = usb_submit_urb (urb, GFP_ATOMIC);
75 if (retval)
76 err ("%s - usb_submit_urb failed with result %d",
77 __FUNCTION__, retval);
78}
79
80void wacom_report_key(void *wcombo, unsigned int key_type, int key_data)
81{
82 input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data);
83 return;
84}
85
86void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data)
87{
88 input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data);
89 return;
90}
91
92void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data)
93{
94 input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data);
95 return;
96}
97
98void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value)
99{
100 input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value);
101 return;
102}
103
104__u16 wacom_be16_to_cpu(unsigned char *data)
105{
106 __u16 value;
107 value = be16_to_cpu(*(__be16 *) data);
108 return value;
109}
110
111__u16 wacom_le16_to_cpu(unsigned char *data)
112{
113 __u16 value;
Ping Cheng8d32e3a2006-09-26 13:34:47 -0700114 value = le16_to_cpu(*(__le16 *) data);
Ping Cheng3bea7332006-07-13 18:01:36 -0700115 return value;
116}
117
Ping Cheng3bea7332006-07-13 18:01:36 -0700118void wacom_input_sync(void *wcombo)
119{
120 input_sync(get_input_dev((struct wacom_combo *)wcombo));
121 return;
122}
123
124static int wacom_open(struct input_dev *dev)
125{
Dmitry Torokhov7791bda2007-04-12 01:34:39 -0400126 struct wacom *wacom = input_get_drvdata(dev);
Ping Cheng3bea7332006-07-13 18:01:36 -0700127
Oliver Neukume7224092008-04-15 01:31:57 -0400128 mutex_lock(&wacom->lock);
Ping Cheng3bea7332006-07-13 18:01:36 -0700129
Oliver Neukume7224092008-04-15 01:31:57 -0400130 wacom->irq->dev = wacom->usbdev;
131
132 if (usb_autopm_get_interface(wacom->intf) < 0) {
133 mutex_unlock(&wacom->lock);
134 return -EIO;
135 }
136
137 if (usb_submit_urb(wacom->irq, GFP_KERNEL)) {
138 usb_autopm_put_interface(wacom->intf);
139 mutex_unlock(&wacom->lock);
140 return -EIO;
141 }
142
143 wacom->open = 1;
144 wacom->intf->needs_remote_wakeup = 1;
145
146 mutex_unlock(&wacom->lock);
Ping Cheng3bea7332006-07-13 18:01:36 -0700147 return 0;
148}
149
150static void wacom_close(struct input_dev *dev)
151{
Dmitry Torokhov7791bda2007-04-12 01:34:39 -0400152 struct wacom *wacom = input_get_drvdata(dev);
Ping Cheng3bea7332006-07-13 18:01:36 -0700153
Oliver Neukume7224092008-04-15 01:31:57 -0400154 mutex_lock(&wacom->lock);
Ping Cheng3bea7332006-07-13 18:01:36 -0700155 usb_kill_urb(wacom->irq);
Oliver Neukume7224092008-04-15 01:31:57 -0400156 wacom->open = 0;
157 wacom->intf->needs_remote_wakeup = 0;
158 mutex_unlock(&wacom->lock);
Ping Cheng3bea7332006-07-13 18:01:36 -0700159}
160
Ping Cheng7ecfbfd2007-06-14 23:32:48 -0400161void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
162{
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700163 input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_1) |
164 BIT_MASK(BTN_5);
Ping Cheng7ecfbfd2007-06-14 23:32:48 -0400165 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
166}
167
Ping Cheng3bea7332006-07-13 18:01:36 -0700168void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
169{
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700170 input_dev->evbit[0] |= BIT_MASK(EV_MSC);
171 input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
172 input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
173 input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_0) |
174 BIT_MASK(BTN_4);
Ping Cheng3bea7332006-07-13 18:01:36 -0700175}
176
177void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
178{
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700179 input_dev->evbit[0] |= BIT_MASK(EV_REL);
180 input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
181 input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) |
182 BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
183 input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) |
184 BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_STYLUS2);
Ping Cheng3bea7332006-07-13 18:01:36 -0700185 input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
186}
187
Ping Cheng8d32e3a2006-09-26 13:34:47 -0700188void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
Ping Cheng3bea7332006-07-13 18:01:36 -0700189{
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700190 input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
191 input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_0) |
192 BIT_MASK(BTN_1) | BIT_MASK(BTN_2) | BIT_MASK(BTN_3);
Ping Cheng071e0a22006-12-05 17:09:51 -0800193 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
Ping Cheng0e1763f2008-03-13 16:46:46 -0400194 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
Ping Cheng8d32e3a2006-09-26 13:34:47 -0700195}
196
197void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
198{
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700199 input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_4) |
200 BIT_MASK(BTN_5) | BIT_MASK(BTN_6) | BIT_MASK(BTN_7);
Ping Cheng071e0a22006-12-05 17:09:51 -0800201 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
Ping Cheng3bea7332006-07-13 18:01:36 -0700202}
203
Ping Cheng0e1763f2008-03-13 16:46:46 -0400204void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
205{
206 input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_8) | BIT_MASK(BTN_9);
207}
208
Ping Cheng3bea7332006-07-13 18:01:36 -0700209void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
210{
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700211 input_dev->evbit[0] |= BIT_MASK(EV_MSC) | BIT_MASK(EV_REL);
212 input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
213 input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
214 input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) |
215 BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE) |
216 BIT_MASK(BTN_SIDE) | BIT_MASK(BTN_EXTRA);
217 input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) |
218 BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_TOOL_BRUSH) |
219 BIT_MASK(BTN_TOOL_PENCIL) | BIT_MASK(BTN_TOOL_AIRBRUSH) |
220 BIT_MASK(BTN_TOOL_LENS) | BIT_MASK(BTN_STYLUS2);
Ping Cheng3bea7332006-07-13 18:01:36 -0700221 input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
222 input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
223 input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
224 input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
225 input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
226 input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
227}
228
229void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
230{
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700231 input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_STYLUS2) |
232 BIT_MASK(BTN_TOOL_RUBBER);
Ping Cheng3bea7332006-07-13 18:01:36 -0700233}
234
235void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
236{
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700237 input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER);
Ping Cheng3bea7332006-07-13 18:01:36 -0700238}
239
240static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
241{
242 struct usb_device *dev = interface_to_usbdev(intf);
243 struct usb_endpoint_descriptor *endpoint;
244 struct wacom *wacom;
245 struct wacom_wac *wacom_wac;
246 struct input_dev *input_dev;
Dmitry Torokhov50141862007-04-12 01:33:39 -0400247 int error = -ENOMEM;
Ping Cheng3bea7332006-07-13 18:01:36 -0700248 char rep_data[2], limit = 0;
249
250 wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
251 wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
252 input_dev = input_allocate_device();
253 if (!wacom || !input_dev || !wacom_wac)
254 goto fail1;
255
256 wacom_wac->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
257 if (!wacom_wac->data)
258 goto fail1;
259
260 wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
261 if (!wacom->irq)
262 goto fail2;
263
264 wacom->usbdev = dev;
265 wacom->dev = input_dev;
Oliver Neukume7224092008-04-15 01:31:57 -0400266 wacom->intf = intf;
267 mutex_init(&wacom->lock);
Ping Cheng3bea7332006-07-13 18:01:36 -0700268 usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
269 strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
270
271 wacom_wac->features = get_wacom_feature(id);
Eric Sesterhenn29203492006-10-17 14:46:30 -0700272 BUG_ON(wacom_wac->features->pktlen > 10);
Ping Cheng3bea7332006-07-13 18:01:36 -0700273
274 input_dev->name = wacom_wac->features->name;
275 wacom->wacom_wac = wacom_wac;
276 usb_to_input_id(dev, &input_dev->id);
277
Dmitry Torokhovc0f82d52007-04-12 01:35:03 -0400278 input_dev->dev.parent = &intf->dev;
Dmitry Torokhov7791bda2007-04-12 01:34:39 -0400279
280 input_set_drvdata(input_dev, wacom);
281
Ping Cheng3bea7332006-07-13 18:01:36 -0700282 input_dev->open = wacom_open;
283 input_dev->close = wacom_close;
284
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700285 input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
286 input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) |
287 BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_STYLUS);
Ping Cheng3bea7332006-07-13 18:01:36 -0700288 input_set_abs_params(input_dev, ABS_X, 0, wacom_wac->features->x_max, 4, 0);
289 input_set_abs_params(input_dev, ABS_Y, 0, wacom_wac->features->y_max, 4, 0);
290 input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom_wac->features->pressure_max, 0, 0);
Jiri Slaby7b19ada2007-10-18 23:40:32 -0700291 input_dev->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
Ping Cheng3bea7332006-07-13 18:01:36 -0700292
293 wacom_init_input_dev(input_dev, wacom_wac);
294
295 endpoint = &intf->cur_altsetting->endpoint[0].desc;
296
297 usb_fill_int_urb(wacom->irq, dev,
298 usb_rcvintpipe(dev, endpoint->bEndpointAddress),
299 wacom_wac->data, wacom_wac->features->pktlen,
Ping Cheng8d32e3a2006-09-26 13:34:47 -0700300 wacom_sys_irq, wacom, endpoint->bInterval);
Ping Cheng3bea7332006-07-13 18:01:36 -0700301 wacom->irq->transfer_dma = wacom->data_dma;
302 wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
303
Dmitry Torokhov50141862007-04-12 01:33:39 -0400304 error = input_register_device(wacom->dev);
305 if (error)
306 goto fail3;
Ping Cheng3bea7332006-07-13 18:01:36 -0700307
308 /* Ask the tablet to report tablet data. Repeat until it succeeds */
309 do {
310 rep_data[0] = 2;
311 rep_data[1] = 2;
312 usb_set_report(intf, 3, 2, rep_data, 2);
313 usb_get_report(intf, 3, 2, rep_data, 2);
314 } while (rep_data[1] != 2 && limit++ < 5);
315
316 usb_set_intfdata(intf, wacom);
317 return 0;
318
Dmitry Torokhov50141862007-04-12 01:33:39 -0400319 fail3: usb_free_urb(wacom->irq);
320 fail2: usb_buffer_free(dev, 10, wacom_wac->data, wacom->data_dma);
321 fail1: input_free_device(input_dev);
Ping Cheng3bea7332006-07-13 18:01:36 -0700322 kfree(wacom);
323 kfree(wacom_wac);
Dmitry Torokhov50141862007-04-12 01:33:39 -0400324 return error;
Ping Cheng3bea7332006-07-13 18:01:36 -0700325}
326
327static void wacom_disconnect(struct usb_interface *intf)
328{
Oliver Neukume7224092008-04-15 01:31:57 -0400329 struct wacom *wacom = usb_get_intfdata(intf);
Ping Cheng3bea7332006-07-13 18:01:36 -0700330
331 usb_set_intfdata(intf, NULL);
Oliver Neukume7224092008-04-15 01:31:57 -0400332
333 usb_kill_urb(wacom->irq);
334 input_unregister_device(wacom->dev);
335 usb_free_urb(wacom->irq);
336 usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma);
337 kfree(wacom->wacom_wac);
338 kfree(wacom);
339}
340
341static int wacom_suspend(struct usb_interface *intf, pm_message_t message)
342{
343 struct wacom *wacom = usb_get_intfdata(intf);
344
345 mutex_lock(&wacom->lock);
346 usb_kill_urb(wacom->irq);
347 mutex_unlock(&wacom->lock);
348
349 return 0;
350}
351
352static int wacom_resume(struct usb_interface *intf)
353{
354 struct wacom *wacom = usb_get_intfdata(intf);
355 int rv;
356
357 mutex_lock(&wacom->lock);
358 if (wacom->open)
359 rv = usb_submit_urb(wacom->irq, GFP_NOIO);
360 else
361 rv = 0;
362 mutex_unlock(&wacom->lock);
363
364 return rv;
365}
366
367static int wacom_reset_resume(struct usb_interface *intf)
368{
369 return wacom_resume(intf);
Ping Cheng3bea7332006-07-13 18:01:36 -0700370}
371
372static struct usb_driver wacom_driver = {
373 .name = "wacom",
374 .probe = wacom_probe,
375 .disconnect = wacom_disconnect,
Oliver Neukume7224092008-04-15 01:31:57 -0400376 .suspend = wacom_suspend,
377 .resume = wacom_resume,
378 .reset_resume = wacom_reset_resume,
379 .supports_autosuspend = 1,
Ping Cheng3bea7332006-07-13 18:01:36 -0700380};
381
382static int __init wacom_init(void)
383{
384 int result;
385 wacom_driver.id_table = get_device_table();
386 result = usb_register(&wacom_driver);
387 if (result == 0)
388 info(DRIVER_VERSION ":" DRIVER_DESC);
389 return result;
390}
391
392static void __exit wacom_exit(void)
393{
394 usb_deregister(&wacom_driver);
395}
396
397module_init(wacom_init);
398module_exit(wacom_exit);