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53880546 SV |
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> | |
53880546 SV |
30 | #include <linux/module.h> |
31 | #include <linux/init.h> | |
ae0dadcf | 32 | #include <linux/usb/input.h> |
53880546 SV |
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 | ||
42 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
43 | MODULE_DESCRIPTION(DRIVER_DESC); | |
44 | MODULE_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 | ||
50 | struct usb_acecad { | |
51 | char name[128]; | |
52 | char phys[64]; | |
53 | struct usb_device *usbdev; | |
c5b7c7c3 | 54 | struct input_dev *input; |
53880546 SV |
55 | struct urb *irq; |
56 | ||
4ee1fc8e | 57 | unsigned char *data; |
53880546 SV |
58 | dma_addr_t data_dma; |
59 | }; | |
60 | ||
7d12e780 | 61 | static void usb_acecad_irq(struct urb *urb) |
53880546 SV |
62 | { |
63 | struct usb_acecad *acecad = urb->context; | |
64 | unsigned char *data = acecad->data; | |
c5b7c7c3 | 65 | struct input_dev *dev = acecad->input; |
53880546 SV |
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); | |
c27a7482 DT |
89 | /* Pressure should compute the same way for flair and 302 */ |
90 | int pressure = data[5] | (data[6] << 8); | |
53880546 SV |
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 | ||
105 | resubmit: | |
c27a7482 | 106 | status = usb_submit_urb(urb, GFP_ATOMIC); |
53880546 | 107 | if (status) |
c27a7482 | 108 | err("can't resubmit intr, %s-%s/input0, status %d", |
53880546 SV |
109 | acecad->usbdev->bus->bus_name, acecad->usbdev->devpath, status); |
110 | } | |
111 | ||
112 | static int usb_acecad_open(struct input_dev *dev) | |
113 | { | |
7791bdae | 114 | struct usb_acecad *acecad = input_get_drvdata(dev); |
53880546 SV |
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 | ||
123 | static void usb_acecad_close(struct input_dev *dev) | |
124 | { | |
7791bdae | 125 | struct usb_acecad *acecad = input_get_drvdata(dev); |
53880546 SV |
126 | |
127 | usb_kill_urb(acecad->irq); | |
128 | } | |
129 | ||
130 | static 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; | |
c5b7c7c3 | 136 | struct input_dev *input_dev; |
53880546 | 137 | int pipe, maxp; |
5014186d | 138 | int err = -ENOMEM; |
53880546 SV |
139 | |
140 | if (interface->desc.bNumEndpoints != 1) | |
141 | return -ENODEV; | |
142 | ||
143 | endpoint = &interface->endpoint[0].desc; | |
144 | ||
ee709a3c | 145 | if (!usb_endpoint_is_int_in(endpoint)) |
53880546 SV |
146 | return -ENODEV; |
147 | ||
148 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); | |
149 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
150 | ||
7b842b6e | 151 | acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL); |
c5b7c7c3 | 152 | input_dev = input_allocate_device(); |
5014186d DT |
153 | if (!acecad || !input_dev) { |
154 | err = -ENOMEM; | |
c5b7c7c3 | 155 | goto fail1; |
5014186d | 156 | } |
53880546 | 157 | |
e94b1766 | 158 | acecad->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &acecad->data_dma); |
5014186d DT |
159 | if (!acecad->data) { |
160 | err= -ENOMEM; | |
53880546 | 161 | goto fail1; |
5014186d | 162 | } |
53880546 SV |
163 | |
164 | acecad->irq = usb_alloc_urb(0, GFP_KERNEL); | |
5014186d DT |
165 | if (!acecad->irq) { |
166 | err = -ENOMEM; | |
53880546 | 167 | goto fail2; |
5014186d | 168 | } |
53880546 | 169 | |
c5b7c7c3 DT |
170 | acecad->usbdev = dev; |
171 | acecad->input = input_dev; | |
172 | ||
53880546 SV |
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 | ||
c5b7c7c3 DT |
182 | usb_make_path(dev, acecad->phys, sizeof(acecad->phys)); |
183 | strlcat(acecad->phys, "/input0", sizeof(acecad->phys)); | |
53880546 | 184 | |
c5b7c7c3 DT |
185 | input_dev->name = acecad->name; |
186 | input_dev->phys = acecad->phys; | |
187 | usb_to_input_id(dev, &input_dev->id); | |
c0f82d57 | 188 | input_dev->dev.parent = &intf->dev; |
7791bdae DT |
189 | |
190 | input_set_drvdata(input_dev, acecad); | |
53880546 | 191 | |
c5b7c7c3 DT |
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); | |
53880546 SV |
199 | |
200 | switch (id->driver_info) { | |
201 | case 0: | |
c5b7c7c3 DT |
202 | input_dev->absmax[ABS_X] = 5000; |
203 | input_dev->absmax[ABS_Y] = 3750; | |
204 | input_dev->absmax[ABS_PRESSURE] = 512; | |
53880546 SV |
205 | if (!strlen(acecad->name)) |
206 | snprintf(acecad->name, sizeof(acecad->name), | |
207 | "USB Acecad Flair Tablet %04x:%04x", | |
c5b7c7c3 DT |
208 | le16_to_cpu(dev->descriptor.idVendor), |
209 | le16_to_cpu(dev->descriptor.idProduct)); | |
53880546 SV |
210 | break; |
211 | case 1: | |
c5b7c7c3 DT |
212 | input_dev->absmax[ABS_X] = 3000; |
213 | input_dev->absmax[ABS_Y] = 2250; | |
214 | input_dev->absmax[ABS_PRESSURE] = 1024; | |
53880546 SV |
215 | if (!strlen(acecad->name)) |
216 | snprintf(acecad->name, sizeof(acecad->name), | |
217 | "USB Acecad 302 Tablet %04x:%04x", | |
c5b7c7c3 DT |
218 | le16_to_cpu(dev->descriptor.idVendor), |
219 | le16_to_cpu(dev->descriptor.idProduct)); | |
53880546 SV |
220 | break; |
221 | } | |
222 | ||
c5b7c7c3 DT |
223 | input_dev->absfuzz[ABS_X] = 4; |
224 | input_dev->absfuzz[ABS_Y] = 4; | |
53880546 SV |
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 | ||
5014186d DT |
232 | err = input_register_device(acecad->input); |
233 | if (err) | |
234 | goto fail2; | |
53880546 SV |
235 | |
236 | usb_set_intfdata(intf, acecad); | |
237 | ||
238 | return 0; | |
239 | ||
240 | fail2: usb_buffer_free(dev, 8, acecad->data, acecad->data_dma); | |
c5b7c7c3 DT |
241 | fail1: input_free_device(input_dev); |
242 | kfree(acecad); | |
5014186d | 243 | return err; |
53880546 SV |
244 | } |
245 | ||
246 | static 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); | |
c5b7c7c3 | 253 | input_unregister_device(acecad->input); |
53880546 SV |
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 | ||
260 | static 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 | ||
266 | MODULE_DEVICE_TABLE(usb, usb_acecad_id_table); | |
267 | ||
268 | static struct usb_driver usb_acecad_driver = { | |
53880546 SV |
269 | .name = "usb_acecad", |
270 | .probe = usb_acecad_probe, | |
271 | .disconnect = usb_acecad_disconnect, | |
272 | .id_table = usb_acecad_id_table, | |
273 | }; | |
274 | ||
275 | static 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 | ||
283 | static void __exit usb_acecad_exit(void) | |
284 | { | |
285 | usb_deregister(&usb_acecad_driver); | |
286 | } | |
287 | ||
288 | module_init(usb_acecad_init); | |
289 | module_exit(usb_acecad_exit); |