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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 14:51:43 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 14:51:43 -0400
commit393bfca19ecdce60a8d9a4d2577cac11ca924a25 (patch)
treea609269ca3332b8f2f7b2b4a2c96f7d824c0e639 /drivers/input/tablet/acecad.c
parentdf6d3916f3b7b7e2067567a256dd4f0c1ea854a2 (diff)
parentba0acb5ee318901646f82c134cca2e4de0c43934 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/dtor/input
* master.kernel.org:/pub/scm/linux/kernel/git/dtor/input: Input: move USB miscellaneous devices under drivers/input/misc Input: move USB mice under drivers/input/mouse Input: move USB gamepads under drivers/input/joystick Input: move USB touchscreens under drivers/input/touchscreen Input: move USB tablets under drivers/input/tablet Input: i8042 - fix AUX port detection with some chips Input: aaed2000_kbd - convert to use polldev library Input: drivers/usb/input - usb_buffer_free() cleanup Input: synaptics - don't complain about failed resets Input: pull input.h into uinpit.h Input: drivers/usb/input - fix sparse warnings (signedness) Input: evdev - fix some sparse warnings (signedness, shadowing) Input: drivers/joystick - fix various sparse warnings Input: force feedback - make sure effect is present before playing
Diffstat (limited to 'drivers/input/tablet/acecad.c')
-rw-r--r--drivers/input/tablet/acecad.c289
1 files changed, 289 insertions, 0 deletions
diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c
new file mode 100644
index 000000000000..dd2310458c46
--- /dev/null
+++ b/drivers/input/tablet/acecad.c
@@ -0,0 +1,289 @@
1/*
2 * Copyright (c) 2001-2005 Edouard TISSERANT <edouard.tisserant@wanadoo.fr>
3 * Copyright (c) 2004-2005 Stephane VOLTZ <svoltz@numericable.fr>
4 *
5 * USB Acecad "Acecad Flair" tablet support
6 *
7 * Changelog:
8 * v3.2 - Added sysfs support
9 */
10
11/*
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 *
26 */
27
28#include <linux/kernel.h>
29#include <linux/slab.h>
30#include <linux/module.h>
31#include <linux/init.h>
32#include <linux/usb/input.h>
33
34/*
35 * Version Information
36 */
37#define DRIVER_VERSION "v3.2"
38#define DRIVER_DESC "USB Acecad Flair tablet driver"
39#define DRIVER_LICENSE "GPL"
40#define DRIVER_AUTHOR "Edouard TISSERANT <edouard.tisserant@wanadoo.fr>"
41
42MODULE_AUTHOR(DRIVER_AUTHOR);
43MODULE_DESCRIPTION(DRIVER_DESC);
44MODULE_LICENSE(DRIVER_LICENSE);
45
46#define USB_VENDOR_ID_ACECAD 0x0460
47#define USB_DEVICE_ID_FLAIR 0x0004
48#define USB_DEVICE_ID_302 0x0008
49
50struct usb_acecad {
51 char name[128];
52 char phys[64];
53 struct usb_device *usbdev;
54 struct input_dev *input;
55 struct urb *irq;
56
57 unsigned char *data;
58 dma_addr_t data_dma;
59};
60
61static void usb_acecad_irq(struct urb *urb)
62{
63 struct usb_acecad *acecad = urb->context;
64 unsigned char *data = acecad->data;
65 struct input_dev *dev = acecad->input;
66 int prox, status;
67
68 switch (urb->status) {
69 case 0:
70 /* success */
71 break;
72 case -ECONNRESET:
73 case -ENOENT:
74 case -ESHUTDOWN:
75 /* this urb is terminated, clean up */
76 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
77 return;
78 default:
79 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
80 goto resubmit;
81 }
82
83 prox = (data[0] & 0x04) >> 2;
84 input_report_key(dev, BTN_TOOL_PEN, prox);
85
86 if (prox) {
87 int x = data[1] | (data[2] << 8);
88 int y = data[3] | (data[4] << 8);
89 /* Pressure should compute the same way for flair and 302 */
90 int pressure = data[5] | (data[6] << 8);
91 int touch = data[0] & 0x01;
92 int stylus = (data[0] & 0x10) >> 4;
93 int stylus2 = (data[0] & 0x20) >> 5;
94 input_report_abs(dev, ABS_X, x);
95 input_report_abs(dev, ABS_Y, y);
96 input_report_abs(dev, ABS_PRESSURE, pressure);
97 input_report_key(dev, BTN_TOUCH, touch);
98 input_report_key(dev, BTN_STYLUS, stylus);
99 input_report_key(dev, BTN_STYLUS2, stylus2);
100 }
101
102 /* event termination */
103 input_sync(dev);
104
105resubmit:
106 status = usb_submit_urb(urb, GFP_ATOMIC);
107 if (status)
108 err("can't resubmit intr, %s-%s/input0, status %d",
109 acecad->usbdev->bus->bus_name, acecad->usbdev->devpath, status);
110}
111
112static int usb_acecad_open(struct input_dev *dev)
113{
114 struct usb_acecad *acecad = input_get_drvdata(dev);
115
116 acecad->irq->dev = acecad->usbdev;
117 if (usb_submit_urb(acecad->irq, GFP_KERNEL))
118 return -EIO;
119
120 return 0;
121}
122
123static void usb_acecad_close(struct input_dev *dev)
124{
125 struct usb_acecad *acecad = input_get_drvdata(dev);
126
127 usb_kill_urb(acecad->irq);
128}
129
130static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_id *id)
131{
132 struct usb_device *dev = interface_to_usbdev(intf);
133 struct usb_host_interface *interface = intf->cur_altsetting;
134 struct usb_endpoint_descriptor *endpoint;
135 struct usb_acecad *acecad;
136 struct input_dev *input_dev;
137 int pipe, maxp;
138 int err = -ENOMEM;
139
140 if (interface->desc.bNumEndpoints != 1)
141 return -ENODEV;
142
143 endpoint = &interface->endpoint[0].desc;
144
145 if (!usb_endpoint_is_int_in(endpoint))
146 return -ENODEV;
147
148 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
149 maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
150
151 acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL);
152 input_dev = input_allocate_device();
153 if (!acecad || !input_dev) {
154 err = -ENOMEM;
155 goto fail1;
156 }
157
158 acecad->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &acecad->data_dma);
159 if (!acecad->data) {
160 err= -ENOMEM;
161 goto fail1;
162 }
163
164 acecad->irq = usb_alloc_urb(0, GFP_KERNEL);
165 if (!acecad->irq) {
166 err = -ENOMEM;
167 goto fail2;
168 }
169
170 acecad->usbdev = dev;
171 acecad->input = input_dev;
172
173 if (dev->manufacturer)
174 strlcpy(acecad->name, dev->manufacturer, sizeof(acecad->name));
175
176 if (dev->product) {
177 if (dev->manufacturer)
178 strlcat(acecad->name, " ", sizeof(acecad->name));
179 strlcat(acecad->name, dev->product, sizeof(acecad->name));
180 }
181
182 usb_make_path(dev, acecad->phys, sizeof(acecad->phys));
183 strlcat(acecad->phys, "/input0", sizeof(acecad->phys));
184
185 input_dev->name = acecad->name;
186 input_dev->phys = acecad->phys;
187 usb_to_input_id(dev, &input_dev->id);
188 input_dev->dev.parent = &intf->dev;
189
190 input_set_drvdata(input_dev, acecad);
191
192 input_dev->open = usb_acecad_open;
193 input_dev->close = usb_acecad_close;
194
195 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
196 input_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
197 input_dev->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
198 input_dev->keybit[LONG(BTN_DIGI)] = BIT(BTN_TOOL_PEN) |BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2);
199
200 switch (id->driver_info) {
201 case 0:
202 input_dev->absmax[ABS_X] = 5000;
203 input_dev->absmax[ABS_Y] = 3750;
204 input_dev->absmax[ABS_PRESSURE] = 512;
205 if (!strlen(acecad->name))
206 snprintf(acecad->name, sizeof(acecad->name),
207 "USB Acecad Flair Tablet %04x:%04x",
208 le16_to_cpu(dev->descriptor.idVendor),
209 le16_to_cpu(dev->descriptor.idProduct));
210 break;
211 case 1:
212 input_dev->absmax[ABS_X] = 3000;
213 input_dev->absmax[ABS_Y] = 2250;
214 input_dev->absmax[ABS_PRESSURE] = 1024;
215 if (!strlen(acecad->name))
216 snprintf(acecad->name, sizeof(acecad->name),
217 "USB Acecad 302 Tablet %04x:%04x",
218 le16_to_cpu(dev->descriptor.idVendor),
219 le16_to_cpu(dev->descriptor.idProduct));
220 break;
221 }
222
223 input_dev->absfuzz[ABS_X] = 4;
224 input_dev->absfuzz[ABS_Y] = 4;
225
226 usb_fill_int_urb(acecad->irq, dev, pipe,
227 acecad->data, maxp > 8 ? 8 : maxp,
228 usb_acecad_irq, acecad, endpoint->bInterval);
229 acecad->irq->transfer_dma = acecad->data_dma;
230 acecad->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
231
232 err = input_register_device(acecad->input);
233 if (err)
234 goto fail2;
235
236 usb_set_intfdata(intf, acecad);
237
238 return 0;
239
240 fail2: usb_buffer_free(dev, 8, acecad->data, acecad->data_dma);
241 fail1: input_free_device(input_dev);
242 kfree(acecad);
243 return err;
244}
245
246static void usb_acecad_disconnect(struct usb_interface *intf)
247{
248 struct usb_acecad *acecad = usb_get_intfdata(intf);
249
250 usb_set_intfdata(intf, NULL);
251 if (acecad) {
252 usb_kill_urb(acecad->irq);
253 input_unregister_device(acecad->input);
254 usb_free_urb(acecad->irq);
255 usb_buffer_free(interface_to_usbdev(intf), 10, acecad->data, acecad->data_dma);
256 kfree(acecad);
257 }
258}
259
260static struct usb_device_id usb_acecad_id_table [] = {
261 { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_FLAIR), .driver_info = 0 },
262 { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_302), .driver_info = 1 },
263 { }
264};
265
266MODULE_DEVICE_TABLE(usb, usb_acecad_id_table);
267
268static struct usb_driver usb_acecad_driver = {
269 .name = "usb_acecad",
270 .probe = usb_acecad_probe,
271 .disconnect = usb_acecad_disconnect,
272 .id_table = usb_acecad_id_table,
273};
274
275static int __init usb_acecad_init(void)
276{
277 int result = usb_register(&usb_acecad_driver);
278 if (result == 0)
279 info(DRIVER_VERSION ":" DRIVER_DESC);
280 return result;
281}
282
283static void __exit usb_acecad_exit(void)
284{
285 usb_deregister(&usb_acecad_driver);
286}
287
288module_init(usb_acecad_init);
289module_exit(usb_acecad_exit);