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Commit | Line | Data |
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affae2bf WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Denis Peter, MPL AG Switzerland | |
4 | * | |
5 | * Part of this source has been derived from the Linux USB | |
6 | * project. | |
7 | * | |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
affae2bf WD |
9 | */ |
10 | #include <common.h> | |
0ea09dfe | 11 | #include <errno.h> |
9a8c72a6 | 12 | #include <malloc.h> |
52cb4d4f | 13 | #include <stdio_dev.h> |
c918261c | 14 | #include <asm/byteorder.h> |
affae2bf | 15 | |
affae2bf WD |
16 | #include <usb.h> |
17 | ||
affae2bf | 18 | /* |
00b7d6ec | 19 | * If overwrite_console returns 1, the stdin, stderr and stdout |
affae2bf WD |
20 | * are switched to the serial port, else the settings in the |
21 | * environment are used | |
22 | */ | |
6d0f6bcf | 23 | #ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE |
00b7d6ec | 24 | extern int overwrite_console(void); |
affae2bf | 25 | #else |
00b7d6ec | 26 | int overwrite_console(void) |
affae2bf | 27 | { |
00b7d6ec | 28 | return 0; |
affae2bf WD |
29 | } |
30 | #endif | |
31 | ||
9a8c72a6 MV |
32 | /* Keyboard sampling rate */ |
33 | #define REPEAT_RATE (40 / 4) /* 40msec -> 25cps */ | |
34 | #define REPEAT_DELAY 10 /* 10 x REPEAT_RATE = 400msec */ | |
affae2bf WD |
35 | |
36 | #define NUM_LOCK 0x53 | |
00b7d6ec MV |
37 | #define CAPS_LOCK 0x39 |
38 | #define SCROLL_LOCK 0x47 | |
affae2bf | 39 | |
affae2bf | 40 | /* Modifier bits */ |
9a8c72a6 MV |
41 | #define LEFT_CNTR (1 << 0) |
42 | #define LEFT_SHIFT (1 << 1) | |
43 | #define LEFT_ALT (1 << 2) | |
44 | #define LEFT_GUI (1 << 3) | |
45 | #define RIGHT_CNTR (1 << 4) | |
46 | #define RIGHT_SHIFT (1 << 5) | |
47 | #define RIGHT_ALT (1 << 6) | |
48 | #define RIGHT_GUI (1 << 7) | |
49 | ||
50 | /* Size of the keyboard buffer */ | |
51 | #define USB_KBD_BUFFER_LEN 0x20 | |
52 | ||
53 | /* Device name */ | |
00b7d6ec | 54 | #define DEVNAME "usbkbd" |
affae2bf | 55 | |
9a8c72a6 MV |
56 | /* Keyboard maps */ |
57 | static const unsigned char usb_kbd_numkey[] = { | |
00b7d6ec MV |
58 | '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', |
59 | '\r', 0x1b, '\b', '\t', ' ', '-', '=', '[', ']', | |
60 | '\\', '#', ';', '\'', '`', ',', '.', '/' | |
affae2bf | 61 | }; |
9a8c72a6 | 62 | static const unsigned char usb_kbd_numkey_shifted[] = { |
00b7d6ec MV |
63 | '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', |
64 | '\r', 0x1b, '\b', '\t', ' ', '_', '+', '{', '}', | |
65 | '|', '~', ':', '"', '~', '<', '>', '?' | |
affae2bf WD |
66 | }; |
67 | ||
d53da847 VP |
68 | static const unsigned char usb_kbd_num_keypad[] = { |
69 | '/', '*', '-', '+', '\r', | |
70 | '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', | |
71 | '.', 0, 0, 0, '=' | |
72 | }; | |
73 | ||
4151a400 AM |
74 | /* |
75 | * map arrow keys to ^F/^B ^N/^P, can't really use the proper | |
76 | * ANSI sequence for arrow keys because the queuing code breaks | |
77 | * when a single keypress expands to 3 queue elements | |
78 | */ | |
79 | static const unsigned char usb_kbd_arrow[] = { | |
80 | 0x6, 0x2, 0xe, 0x10 | |
81 | }; | |
82 | ||
9a8c72a6 MV |
83 | /* |
84 | * NOTE: It's important for the NUM, CAPS, SCROLL-lock bits to be in this | |
85 | * order. See usb_kbd_setled() function! | |
86 | */ | |
87 | #define USB_KBD_NUMLOCK (1 << 0) | |
88 | #define USB_KBD_CAPSLOCK (1 << 1) | |
89 | #define USB_KBD_SCROLLLOCK (1 << 2) | |
90 | #define USB_KBD_CTRL (1 << 3) | |
48c8073e | 91 | |
9a8c72a6 MV |
92 | #define USB_KBD_LEDMASK \ |
93 | (USB_KBD_NUMLOCK | USB_KBD_CAPSLOCK | USB_KBD_SCROLLLOCK) | |
48c8073e | 94 | |
08a98b89 AC |
95 | /* |
96 | * USB Keyboard reports are 8 bytes in boot protocol. | |
97 | * Appendix B of HID Device Class Definition 1.11 | |
98 | */ | |
99 | #define USB_KBD_BOOT_REPORT_SIZE 8 | |
100 | ||
9a8c72a6 | 101 | struct usb_kbd_pdata { |
8f8d7d24 HG |
102 | unsigned long intpipe; |
103 | int intpktsize; | |
104 | int intinterval; | |
8e553119 | 105 | struct int_queue *intq; |
8f8d7d24 | 106 | |
9a8c72a6 | 107 | uint32_t repeat_delay; |
affae2bf | 108 | |
9a8c72a6 MV |
109 | uint32_t usb_in_pointer; |
110 | uint32_t usb_out_pointer; | |
111 | uint8_t usb_kbd_buffer[USB_KBD_BUFFER_LEN]; | |
48c8073e | 112 | |
d7475386 | 113 | uint8_t *new; |
08a98b89 | 114 | uint8_t old[USB_KBD_BOOT_REPORT_SIZE]; |
48c8073e | 115 | |
9a8c72a6 MV |
116 | uint8_t flags; |
117 | }; | |
48c8073e | 118 | |
07551f23 JL |
119 | extern int __maybe_unused net_busy_flag; |
120 | ||
121 | /* The period of time between two calls of usb_kbd_testc(). */ | |
122 | static unsigned long __maybe_unused kbd_testc_tms; | |
123 | ||
9a8c72a6 MV |
124 | /* Puts character in the queue and sets up the in and out pointer. */ |
125 | static void usb_kbd_put_queue(struct usb_kbd_pdata *data, char c) | |
affae2bf | 126 | { |
9a8c72a6 MV |
127 | if (data->usb_in_pointer == USB_KBD_BUFFER_LEN - 1) { |
128 | /* Check for buffer full. */ | |
129 | if (data->usb_out_pointer == 0) | |
130 | return; | |
affae2bf | 131 | |
9a8c72a6 MV |
132 | data->usb_in_pointer = 0; |
133 | } else { | |
134 | /* Check for buffer full. */ | |
135 | if (data->usb_in_pointer == data->usb_out_pointer - 1) | |
136 | return; | |
affae2bf | 137 | |
9a8c72a6 MV |
138 | data->usb_in_pointer++; |
139 | } | |
affae2bf | 140 | |
9a8c72a6 | 141 | data->usb_kbd_buffer[data->usb_in_pointer] = c; |
affae2bf WD |
142 | } |
143 | ||
9a8c72a6 MV |
144 | /* |
145 | * Set the LEDs. Since this is used in the irq routine, the control job is | |
146 | * issued with a timeout of 0. This means, that the job is queued without | |
147 | * waiting for job completion. | |
affae2bf | 148 | */ |
affae2bf WD |
149 | static void usb_kbd_setled(struct usb_device *dev) |
150 | { | |
9a8c72a6 MV |
151 | struct usb_interface *iface = &dev->config.if_desc[0]; |
152 | struct usb_kbd_pdata *data = dev->privptr; | |
9b239381 | 153 | ALLOC_ALIGN_BUFFER(uint32_t, leds, 1, USB_DMA_MINALIGN); |
9a8c72a6 | 154 | |
9b239381 | 155 | *leds = data->flags & USB_KBD_LEDMASK; |
affae2bf WD |
156 | usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
157 | USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
9b239381 | 158 | 0x200, iface->desc.bInterfaceNumber, leds, 1, 0); |
affae2bf WD |
159 | } |
160 | ||
9a8c72a6 | 161 | #define CAPITAL_MASK 0x20 |
affae2bf | 162 | /* Translate the scancode in ASCII */ |
9a8c72a6 MV |
163 | static int usb_kbd_translate(struct usb_kbd_pdata *data, unsigned char scancode, |
164 | unsigned char modifier, int pressed) | |
affae2bf | 165 | { |
9a8c72a6 | 166 | uint8_t keycode = 0; |
affae2bf | 167 | |
9a8c72a6 | 168 | /* Key released */ |
00b7d6ec | 169 | if (pressed == 0) { |
9a8c72a6 | 170 | data->repeat_delay = 0; |
affae2bf WD |
171 | return 0; |
172 | } | |
9a8c72a6 | 173 | |
00b7d6ec | 174 | if (pressed == 2) { |
9a8c72a6 MV |
175 | data->repeat_delay++; |
176 | if (data->repeat_delay < REPEAT_DELAY) | |
affae2bf | 177 | return 0; |
9a8c72a6 MV |
178 | |
179 | data->repeat_delay = REPEAT_DELAY; | |
affae2bf | 180 | } |
9a8c72a6 MV |
181 | |
182 | /* Alphanumeric values */ | |
183 | if ((scancode > 3) && (scancode <= 0x1d)) { | |
184 | keycode = scancode - 4 + 'a'; | |
185 | ||
186 | if (data->flags & USB_KBD_CAPSLOCK) | |
00b7d6ec | 187 | keycode &= ~CAPITAL_MASK; |
9a8c72a6 MV |
188 | |
189 | if (modifier & (LEFT_SHIFT | RIGHT_SHIFT)) { | |
190 | /* Handle CAPSLock + Shift pressed simultaneously */ | |
00b7d6ec | 191 | if (keycode & CAPITAL_MASK) |
00b7d6ec | 192 | keycode &= ~CAPITAL_MASK; |
affae2bf | 193 | else |
00b7d6ec | 194 | keycode |= CAPITAL_MASK; |
affae2bf WD |
195 | } |
196 | } | |
9a8c72a6 MV |
197 | |
198 | if ((scancode > 0x1d) && (scancode < 0x3a)) { | |
199 | /* Shift pressed */ | |
200 | if (modifier & (LEFT_SHIFT | RIGHT_SHIFT)) | |
201 | keycode = usb_kbd_numkey_shifted[scancode - 0x1e]; | |
202 | else | |
203 | keycode = usb_kbd_numkey[scancode - 0x1e]; | |
affae2bf | 204 | } |
4785a694 | 205 | |
4151a400 AM |
206 | /* Arrow keys */ |
207 | if ((scancode >= 0x4f) && (scancode <= 0x52)) | |
208 | keycode = usb_kbd_arrow[scancode - 0x4f]; | |
209 | ||
d53da847 VP |
210 | /* Numeric keypad */ |
211 | if ((scancode >= 0x54) && (scancode <= 0x67)) | |
212 | keycode = usb_kbd_num_keypad[scancode - 0x54]; | |
213 | ||
9a8c72a6 | 214 | if (data->flags & USB_KBD_CTRL) |
4785a694 ZW |
215 | keycode = scancode - 0x3; |
216 | ||
00b7d6ec MV |
217 | if (pressed == 1) { |
218 | if (scancode == NUM_LOCK) { | |
9a8c72a6 | 219 | data->flags ^= USB_KBD_NUMLOCK; |
affae2bf WD |
220 | return 1; |
221 | } | |
9a8c72a6 | 222 | |
00b7d6ec | 223 | if (scancode == CAPS_LOCK) { |
9a8c72a6 | 224 | data->flags ^= USB_KBD_CAPSLOCK; |
affae2bf WD |
225 | return 1; |
226 | } | |
00b7d6ec | 227 | if (scancode == SCROLL_LOCK) { |
9a8c72a6 | 228 | data->flags ^= USB_KBD_SCROLLLOCK; |
affae2bf WD |
229 | return 1; |
230 | } | |
231 | } | |
9a8c72a6 MV |
232 | |
233 | /* Report keycode if any */ | |
234 | if (keycode) { | |
ceb4972a | 235 | debug("%c", keycode); |
9a8c72a6 | 236 | usb_kbd_put_queue(data, keycode); |
affae2bf | 237 | } |
9a8c72a6 | 238 | |
affae2bf WD |
239 | return 0; |
240 | } | |
241 | ||
9a8c72a6 MV |
242 | static uint32_t usb_kbd_service_key(struct usb_device *dev, int i, int up) |
243 | { | |
244 | uint32_t res = 0; | |
245 | struct usb_kbd_pdata *data = dev->privptr; | |
246 | uint8_t *new; | |
247 | uint8_t *old; | |
248 | ||
249 | if (up) { | |
250 | new = data->old; | |
251 | old = data->new; | |
252 | } else { | |
253 | new = data->new; | |
254 | old = data->old; | |
255 | } | |
256 | ||
08a98b89 AC |
257 | if ((old[i] > 3) && |
258 | (memscan(new + 2, old[i], USB_KBD_BOOT_REPORT_SIZE - 2) == | |
259 | new + USB_KBD_BOOT_REPORT_SIZE)) { | |
9a8c72a6 | 260 | res |= usb_kbd_translate(data, old[i], data->new[0], up); |
08a98b89 | 261 | } |
9a8c72a6 MV |
262 | |
263 | return res; | |
264 | } | |
265 | ||
affae2bf | 266 | /* Interrupt service routine */ |
48c8073e | 267 | static int usb_kbd_irq_worker(struct usb_device *dev) |
affae2bf | 268 | { |
9a8c72a6 MV |
269 | struct usb_kbd_pdata *data = dev->privptr; |
270 | int i, res = 0; | |
4785a694 | 271 | |
9a8c72a6 MV |
272 | /* No combo key pressed */ |
273 | if (data->new[0] == 0x00) | |
274 | data->flags &= ~USB_KBD_CTRL; | |
275 | /* Left or Right Ctrl pressed */ | |
276 | else if ((data->new[0] == LEFT_CNTR) || (data->new[0] == RIGHT_CNTR)) | |
277 | data->flags |= USB_KBD_CTRL; | |
00b7d6ec | 278 | |
08a98b89 | 279 | for (i = 2; i < USB_KBD_BOOT_REPORT_SIZE; i++) { |
9a8c72a6 MV |
280 | res |= usb_kbd_service_key(dev, i, 0); |
281 | res |= usb_kbd_service_key(dev, i, 1); | |
affae2bf | 282 | } |
00b7d6ec | 283 | |
9a8c72a6 MV |
284 | /* Key is still pressed */ |
285 | if ((data->new[2] > 3) && (data->old[2] == data->new[2])) | |
286 | res |= usb_kbd_translate(data, data->new[2], data->new[0], 2); | |
287 | ||
00b7d6ec | 288 | if (res == 1) |
affae2bf | 289 | usb_kbd_setled(dev); |
00b7d6ec | 290 | |
08a98b89 | 291 | memcpy(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE); |
00b7d6ec | 292 | |
9a8c72a6 | 293 | return 1; |
affae2bf WD |
294 | } |
295 | ||
9a8c72a6 | 296 | /* Keyboard interrupt handler */ |
48c8073e MV |
297 | static int usb_kbd_irq(struct usb_device *dev) |
298 | { | |
08a98b89 AC |
299 | if ((dev->irq_status != 0) || |
300 | (dev->irq_act_len != USB_KBD_BOOT_REPORT_SIZE)) { | |
ceb4972a VG |
301 | debug("USB KBD: Error %lX, len %d\n", |
302 | dev->irq_status, dev->irq_act_len); | |
48c8073e MV |
303 | return 1; |
304 | } | |
305 | ||
306 | return usb_kbd_irq_worker(dev); | |
307 | } | |
308 | ||
9a8c72a6 MV |
309 | /* Interrupt polling */ |
310 | static inline void usb_kbd_poll_for_event(struct usb_device *dev) | |
311 | { | |
312 | #if defined(CONFIG_SYS_USB_EVENT_POLL) | |
8f8d7d24 | 313 | struct usb_kbd_pdata *data = dev->privptr; |
f9636e8d AM |
314 | |
315 | /* Submit a interrupt transfer request */ | |
8f8d7d24 HG |
316 | usb_submit_int_msg(dev, data->intpipe, &data->new[0], data->intpktsize, |
317 | data->intinterval); | |
f9636e8d | 318 | |
9a8c72a6 MV |
319 | usb_kbd_irq_worker(dev); |
320 | #elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) | |
321 | struct usb_interface *iface; | |
322 | struct usb_kbd_pdata *data = dev->privptr; | |
323 | iface = &dev->config.if_desc[0]; | |
324 | usb_get_report(dev, iface->desc.bInterfaceNumber, | |
08a98b89 AC |
325 | 1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE); |
326 | if (memcmp(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE)) | |
9a8c72a6 | 327 | usb_kbd_irq_worker(dev); |
8e553119 HG |
328 | #elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE) |
329 | struct usb_kbd_pdata *data = dev->privptr; | |
330 | if (poll_int_queue(dev, data->intq)) { | |
331 | usb_kbd_irq_worker(dev); | |
332 | /* We've consumed all queued int packets, create new */ | |
333 | destroy_int_queue(dev, data->intq); | |
334 | data->intq = create_int_queue(dev, data->intpipe, 1, | |
8bb6c1d1 HG |
335 | USB_KBD_BOOT_REPORT_SIZE, data->new, |
336 | data->intinterval); | |
8e553119 | 337 | } |
9a8c72a6 MV |
338 | #endif |
339 | } | |
340 | ||
341 | /* test if a character is in the queue */ | |
709ea543 | 342 | static int usb_kbd_testc(struct stdio_dev *sdev) |
9a8c72a6 MV |
343 | { |
344 | struct stdio_dev *dev; | |
345 | struct usb_device *usb_kbd_dev; | |
346 | struct usb_kbd_pdata *data; | |
347 | ||
c95e2b9e JL |
348 | #ifdef CONFIG_CMD_NET |
349 | /* | |
350 | * If net_busy_flag is 1, NET transfer is running, | |
351 | * then we check key-pressed every second (first check may be | |
352 | * less than 1 second) to improve TFTP booting performance. | |
353 | */ | |
354 | if (net_busy_flag && (get_timer(kbd_testc_tms) < CONFIG_SYS_HZ)) | |
355 | return 0; | |
356 | kbd_testc_tms = get_timer(0); | |
357 | #endif | |
9a8c72a6 MV |
358 | dev = stdio_get_by_name(DEVNAME); |
359 | usb_kbd_dev = (struct usb_device *)dev->priv; | |
360 | data = usb_kbd_dev->privptr; | |
361 | ||
362 | usb_kbd_poll_for_event(usb_kbd_dev); | |
363 | ||
364 | return !(data->usb_in_pointer == data->usb_out_pointer); | |
365 | } | |
366 | ||
367 | /* gets the character from the queue */ | |
709ea543 | 368 | static int usb_kbd_getc(struct stdio_dev *sdev) |
9a8c72a6 MV |
369 | { |
370 | struct stdio_dev *dev; | |
371 | struct usb_device *usb_kbd_dev; | |
372 | struct usb_kbd_pdata *data; | |
373 | ||
374 | dev = stdio_get_by_name(DEVNAME); | |
375 | usb_kbd_dev = (struct usb_device *)dev->priv; | |
376 | data = usb_kbd_dev->privptr; | |
377 | ||
378 | while (data->usb_in_pointer == data->usb_out_pointer) | |
379 | usb_kbd_poll_for_event(usb_kbd_dev); | |
380 | ||
381 | if (data->usb_out_pointer == USB_KBD_BUFFER_LEN - 1) | |
382 | data->usb_out_pointer = 0; | |
383 | else | |
384 | data->usb_out_pointer++; | |
385 | ||
386 | return data->usb_kbd_buffer[data->usb_out_pointer]; | |
387 | } | |
388 | ||
389 | /* probes the USB device dev for keyboard type. */ | |
affae2bf WD |
390 | static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum) |
391 | { | |
8f8bd565 | 392 | struct usb_interface *iface; |
affae2bf | 393 | struct usb_endpoint_descriptor *ep; |
9a8c72a6 | 394 | struct usb_kbd_pdata *data; |
affae2bf | 395 | |
00b7d6ec MV |
396 | if (dev->descriptor.bNumConfigurations != 1) |
397 | return 0; | |
9a8c72a6 | 398 | |
affae2bf WD |
399 | iface = &dev->config.if_desc[ifnum]; |
400 | ||
8f8bd565 TR |
401 | if (iface->desc.bInterfaceClass != 3) |
402 | return 0; | |
9a8c72a6 | 403 | |
8f8bd565 TR |
404 | if (iface->desc.bInterfaceSubClass != 1) |
405 | return 0; | |
9a8c72a6 | 406 | |
8f8bd565 TR |
407 | if (iface->desc.bInterfaceProtocol != 1) |
408 | return 0; | |
9a8c72a6 | 409 | |
8f8bd565 TR |
410 | if (iface->desc.bNumEndpoints != 1) |
411 | return 0; | |
affae2bf WD |
412 | |
413 | ep = &iface->ep_desc[0]; | |
414 | ||
9a8c72a6 | 415 | /* Check if endpoint 1 is interrupt endpoint */ |
00b7d6ec MV |
416 | if (!(ep->bEndpointAddress & 0x80)) |
417 | return 0; | |
9a8c72a6 | 418 | |
00b7d6ec MV |
419 | if ((ep->bmAttributes & 3) != 3) |
420 | return 0; | |
9a8c72a6 | 421 | |
ceb4972a | 422 | debug("USB KBD: found set protocol...\n"); |
9a8c72a6 MV |
423 | |
424 | data = malloc(sizeof(struct usb_kbd_pdata)); | |
425 | if (!data) { | |
426 | printf("USB KBD: Error allocating private data\n"); | |
427 | return 0; | |
428 | } | |
429 | ||
430 | /* Clear private data */ | |
431 | memset(data, 0, sizeof(struct usb_kbd_pdata)); | |
432 | ||
d7475386 | 433 | /* allocate input buffer aligned and sized to USB DMA alignment */ |
08a98b89 AC |
434 | data->new = memalign(USB_DMA_MINALIGN, |
435 | roundup(USB_KBD_BOOT_REPORT_SIZE, USB_DMA_MINALIGN)); | |
d7475386 | 436 | |
9a8c72a6 MV |
437 | /* Insert private data into USB device structure */ |
438 | dev->privptr = data; | |
439 | ||
440 | /* Set IRQ handler */ | |
441 | dev->irq_handle = usb_kbd_irq; | |
442 | ||
8f8d7d24 HG |
443 | data->intpipe = usb_rcvintpipe(dev, ep->bEndpointAddress); |
444 | data->intpktsize = min(usb_maxpacket(dev, data->intpipe), | |
445 | USB_KBD_BOOT_REPORT_SIZE); | |
446 | data->intinterval = ep->bInterval; | |
9a8c72a6 MV |
447 | |
448 | /* We found a USB Keyboard, install it. */ | |
449 | usb_set_protocol(dev, iface->desc.bInterfaceNumber, 0); | |
450 | ||
ceb4972a | 451 | debug("USB KBD: found set idle...\n"); |
9a8c72a6 MV |
452 | usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE, 0); |
453 | ||
ceb4972a | 454 | debug("USB KBD: enable interrupt pipe...\n"); |
8e553119 HG |
455 | #ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE |
456 | data->intq = create_int_queue(dev, data->intpipe, 1, | |
8bb6c1d1 HG |
457 | USB_KBD_BOOT_REPORT_SIZE, data->new, |
458 | data->intinterval); | |
8e553119 HG |
459 | if (!data->intq) { |
460 | #else | |
8f8d7d24 HG |
461 | if (usb_submit_int_msg(dev, data->intpipe, data->new, data->intpktsize, |
462 | data->intinterval) < 0) { | |
8e553119 | 463 | #endif |
5da2dc97 VP |
464 | printf("Failed to get keyboard state from device %04x:%04x\n", |
465 | dev->descriptor.idVendor, dev->descriptor.idProduct); | |
466 | /* Abort, we don't want to use that non-functional keyboard. */ | |
467 | return 0; | |
468 | } | |
9a8c72a6 MV |
469 | |
470 | /* Success. */ | |
affae2bf WD |
471 | return 1; |
472 | } | |
473 | ||
603afaf0 SG |
474 | static int probe_usb_keyboard(struct usb_device *dev) |
475 | { | |
476 | char *stdinname; | |
477 | struct stdio_dev usb_kbd_dev; | |
478 | int error; | |
479 | ||
480 | /* Try probing the keyboard */ | |
481 | if (usb_kbd_probe(dev, 0) != 1) | |
482 | return -ENOENT; | |
483 | ||
484 | /* Register the keyboard */ | |
485 | debug("USB KBD: register.\n"); | |
486 | memset(&usb_kbd_dev, 0, sizeof(struct stdio_dev)); | |
487 | strcpy(usb_kbd_dev.name, DEVNAME); | |
488 | usb_kbd_dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; | |
489 | usb_kbd_dev.getc = usb_kbd_getc; | |
490 | usb_kbd_dev.tstc = usb_kbd_testc; | |
491 | usb_kbd_dev.priv = (void *)dev; | |
492 | error = stdio_register(&usb_kbd_dev); | |
493 | if (error) | |
494 | return error; | |
495 | ||
496 | stdinname = getenv("stdin"); | |
497 | #ifdef CONFIG_CONSOLE_MUX | |
498 | error = iomux_doenv(stdin, stdinname); | |
499 | if (error) | |
500 | return error; | |
501 | #else | |
502 | /* Check if this is the standard input device. */ | |
503 | if (strcmp(stdinname, DEVNAME)) | |
504 | return 1; | |
505 | ||
506 | /* Reassign the console */ | |
507 | if (overwrite_console()) | |
508 | return 1; | |
509 | ||
510 | error = console_assign(stdin, DEVNAME); | |
511 | if (error) | |
512 | return error; | |
513 | #endif | |
514 | ||
515 | return 0; | |
516 | } | |
517 | ||
9a8c72a6 MV |
518 | /* Search for keyboard and register it if found. */ |
519 | int drv_usb_kbd_init(void) | |
520 | { | |
9a8c72a6 MV |
521 | int error, i; |
522 | ||
603afaf0 | 523 | debug("%s: Probing for keyboard\n", __func__);/* Scan all USB Devices */ |
9a8c72a6 | 524 | for (i = 0; i < USB_MAX_DEVICE; i++) { |
603afaf0 SG |
525 | struct usb_device *dev; |
526 | ||
9a8c72a6 MV |
527 | /* Get USB device. */ |
528 | dev = usb_get_dev_index(i); | |
529 | if (!dev) | |
603afaf0 | 530 | break; |
9a8c72a6 MV |
531 | |
532 | if (dev->devnum == -1) | |
533 | continue; | |
534 | ||
603afaf0 SG |
535 | error = probe_usb_keyboard(dev); |
536 | if (!error) | |
9a8c72a6 | 537 | return 1; |
603afaf0 | 538 | if (error && error != -ENOENT) |
9a8c72a6 | 539 | return error; |
9a8c72a6 MV |
540 | } |
541 | ||
542 | /* No USB Keyboard found */ | |
543 | return -1; | |
544 | } | |
545 | ||
546 | /* Deregister the keyboard. */ | |
8a8a2257 | 547 | int usb_kbd_deregister(int force) |
9a8c72a6 MV |
548 | { |
549 | #ifdef CONFIG_SYS_STDIO_DEREGISTER | |
dfe5b1c8 HG |
550 | struct stdio_dev *dev; |
551 | struct usb_device *usb_kbd_dev; | |
552 | struct usb_kbd_pdata *data; | |
553 | ||
554 | dev = stdio_get_by_name(DEVNAME); | |
555 | if (dev) { | |
556 | usb_kbd_dev = (struct usb_device *)dev->priv; | |
557 | data = usb_kbd_dev->privptr; | |
558 | if (stdio_deregister_dev(dev, force) != 0) | |
559 | return 1; | |
3cbcb289 HG |
560 | #ifdef CONFIG_CONSOLE_MUX |
561 | if (iomux_doenv(stdin, getenv("stdin")) != 0) | |
562 | return 1; | |
563 | #endif | |
8e553119 HG |
564 | #ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE |
565 | destroy_int_queue(usb_kbd_dev, data->intq); | |
566 | #endif | |
dfe5b1c8 HG |
567 | free(data->new); |
568 | free(data); | |
569 | } | |
0ea09dfe HG |
570 | |
571 | return 0; | |
9a8c72a6 MV |
572 | #else |
573 | return 1; | |
574 | #endif | |
575 | } |