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dm: usb: Split out the keyboard probe into its own function
[people/ms/u-boot.git] / common / usb_kbd.c
CommitLineData
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 24extern int overwrite_console(void);
affae2bf 25#else
00b7d6ec 26int 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 */
57static 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 62static const unsigned char usb_kbd_numkey_shifted[] = {
00b7d6ec
MV
63 '!', '@', '#', '$', '%', '^', '&', '*', '(', ')',
64 '\r', 0x1b, '\b', '\t', ' ', '_', '+', '{', '}',
65 '|', '~', ':', '"', '~', '<', '>', '?'
affae2bf
WD
66};
67
d53da847
VP
68static 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 */
79static 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 101struct 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
119extern int __maybe_unused net_busy_flag;
120
121/* The period of time between two calls of usb_kbd_testc(). */
122static unsigned long __maybe_unused kbd_testc_tms;
123
9a8c72a6
MV
124/* Puts character in the queue and sets up the in and out pointer. */
125static 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
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149static 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
163static 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
242static 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 267static 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
297static 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 */
310static 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 342static 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 368static 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
390static 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
474static 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. */
519int 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 547int 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;
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HG
560#ifdef CONFIG_CONSOLE_MUX
561 if (iomux_doenv(stdin, getenv("stdin")) != 0)
562 return 1;
563#endif
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HG
564#ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
565 destroy_int_queue(usb_kbd_dev, data->intq);
566#endif
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567 free(data->new);
568 free(data);
569 }
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570
571 return 0;
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MV
572#else
573 return 1;
574#endif
575}