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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / hid / usbhid / usbkbd.c
bloba948605564fbd8ca63ceadfb2e6f2431678de433
1 /*
2 * Copyright (c) 1999-2001 Vojtech Pavlik
3 *
4 * USB HIDBP Keyboard support
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 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Should you need to contact me, the author, you can do so either by
23 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
24 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
25 */
26
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29 #include <linux/module.h>
30 #include <linux/init.h>
31 #include <linux/usb/input.h>
32 #include <linux/hid.h>
33
34 /*
35 * Version Information
36 */
37 #define DRIVER_VERSION ""
38 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
39 #define DRIVER_DESC "USB HID Boot Protocol keyboard driver"
40 #define DRIVER_LICENSE "GPL"
41
42 MODULE_AUTHOR(DRIVER_AUTHOR);
43 MODULE_DESCRIPTION(DRIVER_DESC);
44 MODULE_LICENSE(DRIVER_LICENSE);
45
46 static const unsigned char usb_kbd_keycode[256] = {
47 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
48 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
49 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
50 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
51 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
52 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
53 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
54 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
55 115,114, 0, 0, 0,121, 0, 89, 93,124, 92, 94, 95, 0, 0, 0,
56 122,123, 90, 91, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
57 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
58 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
59 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
60 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
61 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
62 150,158,159,128,136,177,178,176,142,152,173,140
63 };
64
65 struct usb_kbd {
66 struct input_dev *dev;
67 struct usb_device *usbdev;
68 unsigned char old[8];
69 struct urb *irq, *led;
70 unsigned char newleds;
71 char name[128];
72 char phys[64];
73
74 unsigned char *new;
75 struct usb_ctrlrequest *cr;
76 unsigned char *leds;
77 dma_addr_t new_dma;
78 dma_addr_t leds_dma;
79 };
80
81 static void usb_kbd_irq(struct urb *urb)
82 {
83 struct usb_kbd *kbd = urb->context;
84 int i;
85
86 switch (urb->status) {
87 case 0: /* success */
88 break;
89 case -ECONNRESET: /* unlink */
90 case -ENOENT:
91 case -ESHUTDOWN:
92 return;
93 /* -EPIPE: should clear the halt */
94 default: /* error */
95 goto resubmit;
96 }
97
98 for (i = 0; i < 8; i++)
99 input_report_key(kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);
100
101 for (i = 2; i < 8; i++) {
102
103 if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == kbd->new + 8) {
104 if (usb_kbd_keycode[kbd->old[i]])
105 input_report_key(kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
106 else
107 dev_info(&urb->dev->dev,
108 "Unknown key (scancode %#x) released.\n", kbd->old[i]);
109 }
110
111 if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) {
112 if (usb_kbd_keycode[kbd->new[i]])
113 input_report_key(kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
114 else
115 dev_info(&urb->dev->dev,
116 "Unknown key (scancode %#x) released.\n", kbd->new[i]);
117 }
118 }
119
120 input_sync(kbd->dev);
121
122 memcpy(kbd->old, kbd->new, 8);
123
124 resubmit:
125 i = usb_submit_urb (urb, GFP_ATOMIC);
126 if (i)
127 err_hid ("can't resubmit intr, %s-%s/input0, status %d",
128 kbd->usbdev->bus->bus_name,
129 kbd->usbdev->devpath, i);
130 }
131
132 static int usb_kbd_event(struct input_dev *dev, unsigned int type,
133 unsigned int code, int value)
134 {
135 struct usb_kbd *kbd = input_get_drvdata(dev);
136
137 if (type != EV_LED)
138 return -1;
139
140 kbd->newleds = (!!test_bit(LED_KANA, dev->led) << 3) | (!!test_bit(LED_COMPOSE, dev->led) << 3) |
141 (!!test_bit(LED_SCROLLL, dev->led) << 2) | (!!test_bit(LED_CAPSL, dev->led) << 1) |
142 (!!test_bit(LED_NUML, dev->led));
143
144 if (kbd->led->status == -EINPROGRESS)
145 return 0;
146
147 if (*(kbd->leds) == kbd->newleds)
148 return 0;
149
150 *(kbd->leds) = kbd->newleds;
151 kbd->led->dev = kbd->usbdev;
152 if (usb_submit_urb(kbd->led, GFP_ATOMIC))
153 err_hid("usb_submit_urb(leds) failed");
154
155 return 0;
156 }
157
158 static void usb_kbd_led(struct urb *urb)
159 {
160 struct usb_kbd *kbd = urb->context;
161
162 if (urb->status)
163 dev_warn(&urb->dev->dev, "led urb status %d received\n",
164 urb->status);
165
166 if (*(kbd->leds) == kbd->newleds)
167 return;
168
169 *(kbd->leds) = kbd->newleds;
170 kbd->led->dev = kbd->usbdev;
171 if (usb_submit_urb(kbd->led, GFP_ATOMIC))
172 err_hid("usb_submit_urb(leds) failed");
173 }
174
175 static int usb_kbd_open(struct input_dev *dev)
176 {
177 struct usb_kbd *kbd = input_get_drvdata(dev);
178
179 kbd->irq->dev = kbd->usbdev;
180 if (usb_submit_urb(kbd->irq, GFP_KERNEL))
181 return -EIO;
182
183 return 0;
184 }
185
186 static void usb_kbd_close(struct input_dev *dev)
187 {
188 struct usb_kbd *kbd = input_get_drvdata(dev);
189
190 usb_kill_urb(kbd->irq);
191 }
192
193 static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd)
194 {
195 if (!(kbd->irq = usb_alloc_urb(0, GFP_KERNEL)))
196 return -1;
197 if (!(kbd->led = usb_alloc_urb(0, GFP_KERNEL)))
198 return -1;
199 if (!(kbd->new = usb_alloc_coherent(dev, 8, GFP_ATOMIC, &kbd->new_dma)))
200 return -1;
201 if (!(kbd->cr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL)))
202 return -1;
203 if (!(kbd->leds = usb_alloc_coherent(dev, 1, GFP_ATOMIC, &kbd->leds_dma)))
204 return -1;
205
206 return 0;
207 }
208
209 static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd)
210 {
211 usb_free_urb(kbd->irq);
212 usb_free_urb(kbd->led);
213 usb_free_coherent(dev, 8, kbd->new, kbd->new_dma);
214 kfree(kbd->cr);
215 usb_free_coherent(dev, 1, kbd->leds, kbd->leds_dma);
216 }
217
218 static int usb_kbd_probe(struct usb_interface *iface,
219 const struct usb_device_id *id)
220 {
221 struct usb_device *dev = interface_to_usbdev(iface);
222 struct usb_host_interface *interface;
223 struct usb_endpoint_descriptor *endpoint;
224 struct usb_kbd *kbd;
225 struct input_dev *input_dev;
226 int i, pipe, maxp;
227 int error = -ENOMEM;
228
229 interface = iface->cur_altsetting;
230
231 if (interface->desc.bNumEndpoints != 1)
232 return -ENODEV;
233
234 endpoint = &interface->endpoint[0].desc;
235 if (!usb_endpoint_is_int_in(endpoint))
236 return -ENODEV;
237
238 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
239 maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
240
241 kbd = kzalloc(sizeof(struct usb_kbd), GFP_KERNEL);
242 input_dev = input_allocate_device();
243 if (!kbd || !input_dev)
244 goto fail1;
245
246 if (usb_kbd_alloc_mem(dev, kbd))
247 goto fail2;
248
249 kbd->usbdev = dev;
250 kbd->dev = input_dev;
251
252 if (dev->manufacturer)
253 strlcpy(kbd->name, dev->manufacturer, sizeof(kbd->name));
254
255 if (dev->product) {
256 if (dev->manufacturer)
257 strlcat(kbd->name, " ", sizeof(kbd->name));
258 strlcat(kbd->name, dev->product, sizeof(kbd->name));
259 }
260
261 if (!strlen(kbd->name))
262 snprintf(kbd->name, sizeof(kbd->name),
263 "USB HIDBP Keyboard %04x:%04x",
264 le16_to_cpu(dev->descriptor.idVendor),
265 le16_to_cpu(dev->descriptor.idProduct));
266
267 usb_make_path(dev, kbd->phys, sizeof(kbd->phys));
268 strlcat(kbd->phys, "/input0", sizeof(kbd->phys));
269
270 input_dev->name = kbd->name;
271 input_dev->phys = kbd->phys;
272 usb_to_input_id(dev, &input_dev->id);
273 input_dev->dev.parent = &iface->dev;
274
275 input_set_drvdata(input_dev, kbd);
276
277 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
278 BIT_MASK(EV_REP);
279 input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
280 BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_COMPOSE) |
281 BIT_MASK(LED_KANA);
282
283 for (i = 0; i < 255; i++)
284 set_bit(usb_kbd_keycode[i], input_dev->keybit);
285 clear_bit(0, input_dev->keybit);
286
287 input_dev->event = usb_kbd_event;
288 input_dev->open = usb_kbd_open;
289 input_dev->close = usb_kbd_close;
290
291 usb_fill_int_urb(kbd->irq, dev, pipe,
292 kbd->new, (maxp > 8 ? 8 : maxp),
293 usb_kbd_irq, kbd, endpoint->bInterval);
294 kbd->irq->transfer_dma = kbd->new_dma;
295 kbd->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
296
297 kbd->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE;
298 kbd->cr->bRequest = 0x09;
299 kbd->cr->wValue = cpu_to_le16(0x200);
300 kbd->cr->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber);
301 kbd->cr->wLength = cpu_to_le16(1);
302
303 usb_fill_control_urb(kbd->led, dev, usb_sndctrlpipe(dev, 0),
304 (void *) kbd->cr, kbd->leds, 1,
305 usb_kbd_led, kbd);
306 kbd->led->transfer_dma = kbd->leds_dma;
307 kbd->led->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
308
309 error = input_register_device(kbd->dev);
310 if (error)
311 goto fail2;
312
313 usb_set_intfdata(iface, kbd);
314 device_set_wakeup_enable(&dev->dev, 1);
315 return 0;
316
317 fail2:
318 usb_kbd_free_mem(dev, kbd);
319 fail1:
320 input_free_device(input_dev);
321 kfree(kbd);
322 return error;
323 }
324
325 static void usb_kbd_disconnect(struct usb_interface *intf)
326 {
327 struct usb_kbd *kbd = usb_get_intfdata (intf);
328
329 usb_set_intfdata(intf, NULL);
330 if (kbd) {
331 usb_kill_urb(kbd->irq);
332 input_unregister_device(kbd->dev);
333 usb_kbd_free_mem(interface_to_usbdev(intf), kbd);
334 kfree(kbd);
335 }
336 }
337
338 static struct usb_device_id usb_kbd_id_table [] = {
339 { USB_INTERFACE_INFO(USB_INTERFACE_CLASS_HID, USB_INTERFACE_SUBCLASS_BOOT,
340 USB_INTERFACE_PROTOCOL_KEYBOARD) },
341 { } /* Terminating entry */
342 };
343
344 MODULE_DEVICE_TABLE (usb, usb_kbd_id_table);
345
346 static struct usb_driver usb_kbd_driver = {
347 .name = "usbkbd",
348 .probe = usb_kbd_probe,
349 .disconnect = usb_kbd_disconnect,
350 .id_table = usb_kbd_id_table,
351 };
352
353 static int __init usb_kbd_init(void)
354 {
355 int result = usb_register(&usb_kbd_driver);
356 if (result == 0)
357 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
358 DRIVER_DESC "\n");
359 return result;
360 }
361
362 static void __exit usb_kbd_exit(void)
363 {
364 usb_deregister(&usb_kbd_driver);
365 }
366
367 module_init(usb_kbd_init);
368 module_exit(usb_kbd_exit);
Tomato firmware and modifications.