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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 | 30 | #include <linux/module.h> |
ae0dadcf | 31 | #include <linux/usb/input.h> |
53880546 SV |
32 | |
33 | /* | |
34 | * Version Information | |
35 | */ | |
36 | #define DRIVER_VERSION "v3.2" | |
37 | #define DRIVER_DESC "USB Acecad Flair tablet driver" | |
38 | #define DRIVER_LICENSE "GPL" | |
39 | #define DRIVER_AUTHOR "Edouard TISSERANT <edouard.tisserant@wanadoo.fr>" | |
40 | ||
41 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
42 | MODULE_DESCRIPTION(DRIVER_DESC); | |
43 | MODULE_LICENSE(DRIVER_LICENSE); | |
44 | ||
45 | #define USB_VENDOR_ID_ACECAD 0x0460 | |
46 | #define USB_DEVICE_ID_FLAIR 0x0004 | |
47 | #define USB_DEVICE_ID_302 0x0008 | |
48 | ||
49 | struct usb_acecad { | |
50 | char name[128]; | |
51 | char phys[64]; | |
52 | struct usb_device *usbdev; | |
334698d4 | 53 | struct usb_interface *intf; |
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; |
334698d4 | 66 | struct usb_interface *intf = acecad->intf; |
53880546 SV |
67 | int prox, status; |
68 | ||
69 | switch (urb->status) { | |
b426571c DT |
70 | case 0: |
71 | /* success */ | |
72 | break; | |
73 | case -ECONNRESET: | |
74 | case -ENOENT: | |
75 | case -ESHUTDOWN: | |
76 | /* this urb is terminated, clean up */ | |
334698d4 | 77 | dev_dbg(&intf->dev, "%s - urb shutting down with status: %d\n", |
eeba1ae1 | 78 | __func__, urb->status); |
b426571c DT |
79 | return; |
80 | default: | |
334698d4 | 81 | dev_dbg(&intf->dev, "%s - nonzero urb status received: %d\n", |
eeba1ae1 | 82 | __func__, urb->status); |
b426571c | 83 | goto resubmit; |
53880546 SV |
84 | } |
85 | ||
86 | prox = (data[0] & 0x04) >> 2; | |
87 | input_report_key(dev, BTN_TOOL_PEN, prox); | |
88 | ||
89 | if (prox) { | |
90 | int x = data[1] | (data[2] << 8); | |
91 | int y = data[3] | (data[4] << 8); | |
c27a7482 DT |
92 | /* Pressure should compute the same way for flair and 302 */ |
93 | int pressure = data[5] | (data[6] << 8); | |
53880546 SV |
94 | int touch = data[0] & 0x01; |
95 | int stylus = (data[0] & 0x10) >> 4; | |
96 | int stylus2 = (data[0] & 0x20) >> 5; | |
97 | input_report_abs(dev, ABS_X, x); | |
98 | input_report_abs(dev, ABS_Y, y); | |
99 | input_report_abs(dev, ABS_PRESSURE, pressure); | |
100 | input_report_key(dev, BTN_TOUCH, touch); | |
101 | input_report_key(dev, BTN_STYLUS, stylus); | |
102 | input_report_key(dev, BTN_STYLUS2, stylus2); | |
103 | } | |
104 | ||
105 | /* event termination */ | |
106 | input_sync(dev); | |
107 | ||
108 | resubmit: | |
c27a7482 | 109 | status = usb_submit_urb(urb, GFP_ATOMIC); |
53880546 | 110 | if (status) |
334698d4 | 111 | dev_err(&intf->dev, |
b59c82bd GKH |
112 | "can't resubmit intr, %s-%s/input0, status %d\n", |
113 | acecad->usbdev->bus->bus_name, | |
114 | acecad->usbdev->devpath, status); | |
53880546 SV |
115 | } |
116 | ||
117 | static int usb_acecad_open(struct input_dev *dev) | |
118 | { | |
7791bdae | 119 | struct usb_acecad *acecad = input_get_drvdata(dev); |
53880546 SV |
120 | |
121 | acecad->irq->dev = acecad->usbdev; | |
122 | if (usb_submit_urb(acecad->irq, GFP_KERNEL)) | |
123 | return -EIO; | |
124 | ||
125 | return 0; | |
126 | } | |
127 | ||
128 | static void usb_acecad_close(struct input_dev *dev) | |
129 | { | |
7791bdae | 130 | struct usb_acecad *acecad = input_get_drvdata(dev); |
53880546 SV |
131 | |
132 | usb_kill_urb(acecad->irq); | |
133 | } | |
134 | ||
135 | static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
136 | { | |
137 | struct usb_device *dev = interface_to_usbdev(intf); | |
138 | struct usb_host_interface *interface = intf->cur_altsetting; | |
139 | struct usb_endpoint_descriptor *endpoint; | |
140 | struct usb_acecad *acecad; | |
c5b7c7c3 | 141 | struct input_dev *input_dev; |
53880546 | 142 | int pipe, maxp; |
b426571c | 143 | int err; |
53880546 SV |
144 | |
145 | if (interface->desc.bNumEndpoints != 1) | |
146 | return -ENODEV; | |
147 | ||
148 | endpoint = &interface->endpoint[0].desc; | |
149 | ||
ee709a3c | 150 | if (!usb_endpoint_is_int_in(endpoint)) |
53880546 SV |
151 | return -ENODEV; |
152 | ||
153 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); | |
154 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
155 | ||
7b842b6e | 156 | acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL); |
c5b7c7c3 | 157 | input_dev = input_allocate_device(); |
5014186d DT |
158 | if (!acecad || !input_dev) { |
159 | err = -ENOMEM; | |
c5b7c7c3 | 160 | goto fail1; |
5014186d | 161 | } |
53880546 | 162 | |
997ea58e | 163 | acecad->data = usb_alloc_coherent(dev, 8, GFP_KERNEL, &acecad->data_dma); |
5014186d DT |
164 | if (!acecad->data) { |
165 | err= -ENOMEM; | |
53880546 | 166 | goto fail1; |
5014186d | 167 | } |
53880546 SV |
168 | |
169 | acecad->irq = usb_alloc_urb(0, GFP_KERNEL); | |
5014186d DT |
170 | if (!acecad->irq) { |
171 | err = -ENOMEM; | |
53880546 | 172 | goto fail2; |
5014186d | 173 | } |
53880546 | 174 | |
c5b7c7c3 | 175 | acecad->usbdev = dev; |
334698d4 | 176 | acecad->intf = intf; |
c5b7c7c3 DT |
177 | acecad->input = input_dev; |
178 | ||
53880546 SV |
179 | if (dev->manufacturer) |
180 | strlcpy(acecad->name, dev->manufacturer, sizeof(acecad->name)); | |
181 | ||
182 | if (dev->product) { | |
183 | if (dev->manufacturer) | |
184 | strlcat(acecad->name, " ", sizeof(acecad->name)); | |
185 | strlcat(acecad->name, dev->product, sizeof(acecad->name)); | |
186 | } | |
187 | ||
c5b7c7c3 DT |
188 | usb_make_path(dev, acecad->phys, sizeof(acecad->phys)); |
189 | strlcat(acecad->phys, "/input0", sizeof(acecad->phys)); | |
53880546 | 190 | |
c5b7c7c3 DT |
191 | input_dev->name = acecad->name; |
192 | input_dev->phys = acecad->phys; | |
193 | usb_to_input_id(dev, &input_dev->id); | |
c0f82d57 | 194 | input_dev->dev.parent = &intf->dev; |
7791bdae DT |
195 | |
196 | input_set_drvdata(input_dev, acecad); | |
53880546 | 197 | |
c5b7c7c3 DT |
198 | input_dev->open = usb_acecad_open; |
199 | input_dev->close = usb_acecad_close; | |
200 | ||
7b19ada2 | 201 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
7b19ada2 JS |
202 | input_dev->keybit[BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_TOOL_PEN) | |
203 | BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_STYLUS) | | |
204 | BIT_MASK(BTN_STYLUS2); | |
53880546 SV |
205 | |
206 | switch (id->driver_info) { | |
b426571c DT |
207 | case 0: |
208 | input_set_abs_params(input_dev, ABS_X, 0, 5000, 4, 0); | |
209 | input_set_abs_params(input_dev, ABS_Y, 0, 3750, 4, 0); | |
210 | input_set_abs_params(input_dev, ABS_PRESSURE, 0, 512, 0, 0); | |
211 | if (!strlen(acecad->name)) | |
212 | snprintf(acecad->name, sizeof(acecad->name), | |
213 | "USB Acecad Flair Tablet %04x:%04x", | |
214 | le16_to_cpu(dev->descriptor.idVendor), | |
215 | le16_to_cpu(dev->descriptor.idProduct)); | |
216 | break; | |
217 | ||
218 | case 1: | |
219 | input_set_abs_params(input_dev, ABS_X, 0, 53000, 4, 0); | |
220 | input_set_abs_params(input_dev, ABS_Y, 0, 2250, 4, 0); | |
221 | input_set_abs_params(input_dev, ABS_PRESSURE, 0, 1024, 0, 0); | |
222 | if (!strlen(acecad->name)) | |
223 | snprintf(acecad->name, sizeof(acecad->name), | |
224 | "USB Acecad 302 Tablet %04x:%04x", | |
225 | le16_to_cpu(dev->descriptor.idVendor), | |
226 | le16_to_cpu(dev->descriptor.idProduct)); | |
227 | break; | |
53880546 SV |
228 | } |
229 | ||
53880546 SV |
230 | usb_fill_int_urb(acecad->irq, dev, pipe, |
231 | acecad->data, maxp > 8 ? 8 : maxp, | |
232 | usb_acecad_irq, acecad, endpoint->bInterval); | |
233 | acecad->irq->transfer_dma = acecad->data_dma; | |
234 | acecad->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
235 | ||
5014186d DT |
236 | err = input_register_device(acecad->input); |
237 | if (err) | |
a4503199 | 238 | goto fail3; |
53880546 SV |
239 | |
240 | usb_set_intfdata(intf, acecad); | |
241 | ||
242 | return 0; | |
243 | ||
a4503199 | 244 | fail3: usb_free_urb(acecad->irq); |
997ea58e | 245 | fail2: usb_free_coherent(dev, 8, acecad->data, acecad->data_dma); |
c5b7c7c3 DT |
246 | fail1: input_free_device(input_dev); |
247 | kfree(acecad); | |
5014186d | 248 | return err; |
53880546 SV |
249 | } |
250 | ||
251 | static void usb_acecad_disconnect(struct usb_interface *intf) | |
252 | { | |
253 | struct usb_acecad *acecad = usb_get_intfdata(intf); | |
254 | ||
255 | usb_set_intfdata(intf, NULL); | |
5492f6f8 DT |
256 | |
257 | input_unregister_device(acecad->input); | |
258 | usb_free_urb(acecad->irq); | |
7a9b1492 | 259 | usb_free_coherent(acecad->usbdev, 8, acecad->data, acecad->data_dma); |
5492f6f8 | 260 | kfree(acecad); |
53880546 SV |
261 | } |
262 | ||
263 | static struct usb_device_id usb_acecad_id_table [] = { | |
264 | { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_FLAIR), .driver_info = 0 }, | |
265 | { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_302), .driver_info = 1 }, | |
266 | { } | |
267 | }; | |
268 | ||
269 | MODULE_DEVICE_TABLE(usb, usb_acecad_id_table); | |
270 | ||
271 | static struct usb_driver usb_acecad_driver = { | |
53880546 SV |
272 | .name = "usb_acecad", |
273 | .probe = usb_acecad_probe, | |
274 | .disconnect = usb_acecad_disconnect, | |
275 | .id_table = usb_acecad_id_table, | |
276 | }; | |
277 | ||
08642e7c | 278 | module_usb_driver(usb_acecad_driver); |