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authorStephane VOLTZ <svoltz@numericable.fr>2005-06-06 03:22:37 -0400
committerDmitry Torokhov <dtor_core@ameritech.net>2005-06-06 03:22:37 -0400
commit53880546979605dae20ee0404a0e998e188fe7ad (patch)
treeb386ad721253dbd555175871eebd98dbdfcf36be /drivers/usb/input/acecad.c
parent3c241f8337542655ee013a661b7f1770f561d3ef (diff)
Input: add driver for Acecad Flair USB tablets
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/usb/input/acecad.c')
-rw-r--r--drivers/usb/input/acecad.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/drivers/usb/input/acecad.c b/drivers/usb/input/acecad.c
new file mode 100644
index 000000000000..ebcf7c955800
--- /dev/null
+++ b/drivers/usb/input/acecad.c
@@ -0,0 +1,285 @@
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/input.h>
31#include <linux/module.h>
32#include <linux/init.h>
33#include <linux/usb.h>
34
35/*
36 * Version Information
37 */
38#define DRIVER_VERSION "v3.2"
39#define DRIVER_DESC "USB Acecad Flair tablet driver"
40#define DRIVER_LICENSE "GPL"
41#define DRIVER_AUTHOR "Edouard TISSERANT <edouard.tisserant@wanadoo.fr>"
42
43MODULE_AUTHOR(DRIVER_AUTHOR);
44MODULE_DESCRIPTION(DRIVER_DESC);
45MODULE_LICENSE(DRIVER_LICENSE);
46
47#define USB_VENDOR_ID_ACECAD 0x0460
48#define USB_DEVICE_ID_FLAIR 0x0004
49#define USB_DEVICE_ID_302 0x0008
50
51struct usb_acecad {
52 char name[128];
53 char phys[64];
54 struct usb_device *usbdev;
55 struct input_dev dev;
56 struct urb *irq;
57
58 signed char *data;
59 dma_addr_t data_dma;
60};
61
62static void usb_acecad_irq(struct urb *urb, struct pt_regs *regs)
63{
64 struct usb_acecad *acecad = urb->context;
65 unsigned char *data = acecad->data;
66 struct input_dev *dev = &acecad->dev;
67 int prox, status;
68
69 switch (urb->status) {
70 case 0:
71 /* success */
72 break;
73 case -ECONNRESET:
74 case -ENOENT:
75 case -ESHUTDOWN:
76 /* this urb is terminated, clean up */
77 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
78 return;
79 default:
80 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
81 goto resubmit;
82 }
83
84 prox = (data[0] & 0x04) >> 2;
85 input_report_key(dev, BTN_TOOL_PEN, prox);
86
87 if (prox) {
88 int x = data[1] | (data[2] << 8);
89 int y = data[3] | (data[4] << 8);
90 /*Pressure should compute the same way for flair and 302*/
91 int pressure = data[5] | ((int)data[6] << 8);
92 int touch = data[0] & 0x01;
93 int stylus = (data[0] & 0x10) >> 4;
94 int stylus2 = (data[0] & 0x20) >> 5;
95 input_report_abs(dev, ABS_X, x);
96 input_report_abs(dev, ABS_Y, y);
97 input_report_abs(dev, ABS_PRESSURE, pressure);
98 input_report_key(dev, BTN_TOUCH, touch);
99 input_report_key(dev, BTN_STYLUS, stylus);
100 input_report_key(dev, BTN_STYLUS2, stylus2);
101 }
102
103 /* event termination */
104 input_sync(dev);
105
106resubmit:
107 status = usb_submit_urb (urb, GFP_ATOMIC);
108 if (status)
109 err ("can't resubmit intr, %s-%s/input0, status %d",
110 acecad->usbdev->bus->bus_name, acecad->usbdev->devpath, status);
111}
112
113static int usb_acecad_open(struct input_dev *dev)
114{
115 struct usb_acecad *acecad = dev->private;
116
117 acecad->irq->dev = acecad->usbdev;
118 if (usb_submit_urb(acecad->irq, GFP_KERNEL))
119 return -EIO;
120
121 return 0;
122}
123
124static void usb_acecad_close(struct input_dev *dev)
125{
126 struct usb_acecad *acecad = dev->private;
127
128 usb_kill_urb(acecad->irq);
129}
130
131static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_id *id)
132{
133 struct usb_device *dev = interface_to_usbdev(intf);
134 struct usb_host_interface *interface = intf->cur_altsetting;
135 struct usb_endpoint_descriptor *endpoint;
136 struct usb_acecad *acecad;
137 int pipe, maxp;
138 char path[64];
139
140 if (interface->desc.bNumEndpoints != 1)
141 return -ENODEV;
142
143 endpoint = &interface->endpoint[0].desc;
144
145 if (!(endpoint->bEndpointAddress & 0x80))
146 return -ENODEV;
147
148 if ((endpoint->bmAttributes & 3) != 3)
149 return -ENODEV;
150
151 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
152 maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
153
154 acecad = kcalloc(1, sizeof(struct usb_acecad), GFP_KERNEL);
155 if (!acecad)
156 return -ENOMEM;
157
158 acecad->data = usb_buffer_alloc(dev, 8, SLAB_KERNEL, &acecad->data_dma);
159 if (!acecad->data)
160 goto fail1;
161
162 acecad->irq = usb_alloc_urb(0, GFP_KERNEL);
163 if (!acecad->irq)
164 goto fail2;
165
166 if (dev->manufacturer)
167 strlcpy(acecad->name, dev->manufacturer, sizeof(acecad->name));
168
169 if (dev->product) {
170 if (dev->manufacturer)
171 strlcat(acecad->name, " ", sizeof(acecad->name));
172 strlcat(acecad->name, dev->product, sizeof(acecad->name));
173 }
174
175 usb_make_path(dev, path, sizeof(path));
176 snprintf(acecad->phys, sizeof(acecad->phys), "%s/input0", path);
177
178 acecad->usbdev = dev;
179
180 acecad->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
181 acecad->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
182 acecad->dev.keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
183 acecad->dev.keybit[LONG(BTN_DIGI)] = BIT(BTN_TOOL_PEN) |BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2);
184
185 switch (id->driver_info) {
186 case 0:
187 acecad->dev.absmax[ABS_X] = 5000;
188 acecad->dev.absmax[ABS_Y] = 3750;
189 acecad->dev.absmax[ABS_PRESSURE] = 512;
190 if (!strlen(acecad->name))
191 snprintf(acecad->name, sizeof(acecad->name),
192 "USB Acecad Flair Tablet %04x:%04x",
193 dev->descriptor.idVendor, dev->descriptor.idProduct);
194 break;
195 case 1:
196 acecad->dev.absmax[ABS_X] = 3000;
197 acecad->dev.absmax[ABS_Y] = 2250;
198 acecad->dev.absmax[ABS_PRESSURE] = 1024;
199 if (!strlen(acecad->name))
200 snprintf(acecad->name, sizeof(acecad->name),
201 "USB Acecad 302 Tablet %04x:%04x",
202 dev->descriptor.idVendor, dev->descriptor.idProduct);
203 break;
204 }
205
206 acecad->dev.absfuzz[ABS_X] = 4;
207 acecad->dev.absfuzz[ABS_Y] = 4;
208
209 acecad->dev.private = acecad;
210 acecad->dev.open = usb_acecad_open;
211 acecad->dev.close = usb_acecad_close;
212
213 acecad->dev.name = acecad->name;
214 acecad->dev.phys = acecad->phys;
215 acecad->dev.id.bustype = BUS_USB;
216 acecad->dev.id.vendor = le16_to_cpu(dev->descriptor.idVendor);
217 acecad->dev.id.product = le16_to_cpu(dev->descriptor.idProduct);
218 acecad->dev.id.version = le16_to_cpu(dev->descriptor.bcdDevice);
219 acecad->dev.dev = &intf->dev;
220
221 usb_fill_int_urb(acecad->irq, dev, pipe,
222 acecad->data, maxp > 8 ? 8 : maxp,
223 usb_acecad_irq, acecad, endpoint->bInterval);
224 acecad->irq->transfer_dma = acecad->data_dma;
225 acecad->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
226
227 input_register_device(&acecad->dev);
228
229 printk(KERN_INFO "input: %s with packet size %d on %s\n",
230 acecad->name, maxp, path);
231
232 usb_set_intfdata(intf, acecad);
233
234 return 0;
235
236 fail2: usb_buffer_free(dev, 8, acecad->data, acecad->data_dma);
237 fail1: kfree(acecad);
238 return -ENOMEM;
239}
240
241static void usb_acecad_disconnect(struct usb_interface *intf)
242{
243 struct usb_acecad *acecad = usb_get_intfdata(intf);
244
245 usb_set_intfdata(intf, NULL);
246 if (acecad) {
247 usb_kill_urb(acecad->irq);
248 input_unregister_device(&acecad->dev);
249 usb_free_urb(acecad->irq);
250 usb_buffer_free(interface_to_usbdev(intf), 10, acecad->data, acecad->data_dma);
251 kfree(acecad);
252 }
253}
254
255static struct usb_device_id usb_acecad_id_table [] = {
256 { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_FLAIR), .driver_info = 0 },
257 { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_302), .driver_info = 1 },
258 { }
259};
260
261MODULE_DEVICE_TABLE(usb, usb_acecad_id_table);
262
263static struct usb_driver usb_acecad_driver = {
264 .owner = THIS_MODULE,
265 .name = "usb_acecad",
266 .probe = usb_acecad_probe,
267 .disconnect = usb_acecad_disconnect,
268 .id_table = usb_acecad_id_table,
269};
270
271static int __init usb_acecad_init(void)
272{
273 int result = usb_register(&usb_acecad_driver);
274 if (result == 0)
275 info(DRIVER_VERSION ":" DRIVER_DESC);
276 return result;
277}
278
279static void __exit usb_acecad_exit(void)
280{
281 usb_deregister(&usb_acecad_driver);
282}
283
284module_init(usb_acecad_init);
285module_exit(usb_acecad_exit);