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path: root/drivers/input/tablet/wacom_sys.c
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Diffstat (limited to 'drivers/input/tablet/wacom_sys.c')
-rw-r--r--drivers/input/tablet/wacom_sys.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
new file mode 100644
index 000000000000..83bddef66067
--- /dev/null
+++ b/drivers/input/tablet/wacom_sys.c
@@ -0,0 +1,318 @@
1/*
2 * drivers/input/tablet/wacom_sys.c
3 *
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
45static void wacom_sys_irq(struct urb *urb)
46{
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;
68
69 if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo))
70 input_sync(get_input_dev(&wcombo));
71
72 exit:
73 retval = usb_submit_urb (urb, GFP_ATOMIC);
74 if (retval)
75 err ("%s - usb_submit_urb failed with result %d",
76 __FUNCTION__, retval);
77}
78
79void wacom_report_key(void *wcombo, unsigned int key_type, int key_data)
80{
81 input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data);
82 return;
83}
84
85void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data)
86{
87 input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data);
88 return;
89}
90
91void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data)
92{
93 input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data);
94 return;
95}
96
97void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value)
98{
99 input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value);
100 return;
101}
102
103__u16 wacom_be16_to_cpu(unsigned char *data)
104{
105 __u16 value;
106 value = be16_to_cpu(*(__be16 *) data);
107 return value;
108}
109
110__u16 wacom_le16_to_cpu(unsigned char *data)
111{
112 __u16 value;
113 value = le16_to_cpu(*(__le16 *) data);
114 return value;
115}
116
117void wacom_input_sync(void *wcombo)
118{
119 input_sync(get_input_dev((struct wacom_combo *)wcombo));
120 return;
121}
122
123static int wacom_open(struct input_dev *dev)
124{
125 struct wacom *wacom = input_get_drvdata(dev);
126
127 wacom->irq->dev = wacom->usbdev;
128 if (usb_submit_urb(wacom->irq, GFP_KERNEL))
129 return -EIO;
130
131 return 0;
132}
133
134static void wacom_close(struct input_dev *dev)
135{
136 struct wacom *wacom = input_get_drvdata(dev);
137
138 usb_kill_urb(wacom->irq);
139}
140
141void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
142{
143 input_dev->evbit[0] |= BIT(EV_MSC);
144 input_dev->mscbit[0] |= BIT(MSC_SERIAL);
145 input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
146 input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_4);
147}
148
149void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
150{
151 input_dev->evbit[0] |= BIT(EV_REL);
152 input_dev->relbit[0] |= BIT(REL_WHEEL);
153 input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
154 input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
155 input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
156}
157
158void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
159{
160 input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
161 input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3);
162 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
163}
164
165void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
166{
167 input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
168 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
169}
170
171void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
172{
173 input_dev->evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
174 input_dev->mscbit[0] |= BIT(MSC_SERIAL);
175 input_dev->relbit[0] |= BIT(REL_WHEEL);
176 input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
177 input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOOL_BRUSH)
178 | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2);
179 input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
180 input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
181 input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
182 input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
183 input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
184 input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
185}
186
187void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
188{
189 input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER);
190}
191
192void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
193{
194 input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER);
195}
196
197static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
198{
199 struct usb_device *dev = interface_to_usbdev(intf);
200 struct usb_endpoint_descriptor *endpoint;
201 struct wacom *wacom;
202 struct wacom_wac *wacom_wac;
203 struct input_dev *input_dev;
204 int error = -ENOMEM;
205 char rep_data[2], limit = 0;
206
207 wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
208 wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
209 input_dev = input_allocate_device();
210 if (!wacom || !input_dev || !wacom_wac)
211 goto fail1;
212
213 wacom_wac->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
214 if (!wacom_wac->data)
215 goto fail1;
216
217 wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
218 if (!wacom->irq)
219 goto fail2;
220
221 wacom->usbdev = dev;
222 wacom->dev = input_dev;
223 usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
224 strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
225
226 wacom_wac->features = get_wacom_feature(id);
227 BUG_ON(wacom_wac->features->pktlen > 10);
228
229 input_dev->name = wacom_wac->features->name;
230 wacom->wacom_wac = wacom_wac;
231 usb_to_input_id(dev, &input_dev->id);
232
233 input_dev->dev.parent = &intf->dev;
234
235 input_set_drvdata(input_dev, wacom);
236
237 input_dev->open = wacom_open;
238 input_dev->close = wacom_close;
239
240 input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
241 input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
242 input_set_abs_params(input_dev, ABS_X, 0, wacom_wac->features->x_max, 4, 0);
243 input_set_abs_params(input_dev, ABS_Y, 0, wacom_wac->features->y_max, 4, 0);
244 input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom_wac->features->pressure_max, 0, 0);
245 input_dev->absbit[LONG(ABS_MISC)] |= BIT(ABS_MISC);
246
247 wacom_init_input_dev(input_dev, wacom_wac);
248
249 endpoint = &intf->cur_altsetting->endpoint[0].desc;
250
251 usb_fill_int_urb(wacom->irq, dev,
252 usb_rcvintpipe(dev, endpoint->bEndpointAddress),
253 wacom_wac->data, wacom_wac->features->pktlen,
254 wacom_sys_irq, wacom, endpoint->bInterval);
255 wacom->irq->transfer_dma = wacom->data_dma;
256 wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
257
258 error = input_register_device(wacom->dev);
259 if (error)
260 goto fail3;
261
262 /* Ask the tablet to report tablet data. Repeat until it succeeds */
263 do {
264 rep_data[0] = 2;
265 rep_data[1] = 2;
266 usb_set_report(intf, 3, 2, rep_data, 2);
267 usb_get_report(intf, 3, 2, rep_data, 2);
268 } while (rep_data[1] != 2 && limit++ < 5);
269
270 usb_set_intfdata(intf, wacom);
271 return 0;
272
273 fail3: usb_free_urb(wacom->irq);
274 fail2: usb_buffer_free(dev, 10, wacom_wac->data, wacom->data_dma);
275 fail1: input_free_device(input_dev);
276 kfree(wacom);
277 kfree(wacom_wac);
278 return error;
279}
280
281static void wacom_disconnect(struct usb_interface *intf)
282{
283 struct wacom *wacom = usb_get_intfdata (intf);
284
285 usb_set_intfdata(intf, NULL);
286 if (wacom) {
287 usb_kill_urb(wacom->irq);
288 input_unregister_device(wacom->dev);
289 usb_free_urb(wacom->irq);
290 usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma);
291 kfree(wacom->wacom_wac);
292 kfree(wacom);
293 }
294}
295
296static struct usb_driver wacom_driver = {
297 .name = "wacom",
298 .probe = wacom_probe,
299 .disconnect = wacom_disconnect,
300};
301
302static int __init wacom_init(void)
303{
304 int result;
305 wacom_driver.id_table = get_device_table();
306 result = usb_register(&wacom_driver);
307 if (result == 0)
308 info(DRIVER_VERSION ":" DRIVER_DESC);
309 return result;
310}
311
312static void __exit wacom_exit(void)
313{
314 usb_deregister(&wacom_driver);
315}
316
317module_init(wacom_init);
318module_exit(wacom_exit);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-25 14:04:10 -0500