Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles | |
3 | * | |
1bbb4f20 TW |
4 | * Main part |
5 | * | |
1da177e4 LT |
6 | * Copyright (C) 2005 by Thomas Winischhofer, Vienna, Austria |
7 | * | |
8 | * If distributed as part of the Linux kernel, this code is licensed under the | |
9 | * terms of the GPL v2. | |
10 | * | |
11 | * Otherwise, the following license terms apply: | |
12 | * | |
13 | * * Redistribution and use in source and binary forms, with or without | |
14 | * * modification, are permitted provided that the following conditions | |
15 | * * are met: | |
16 | * * 1) Redistributions of source code must retain the above copyright | |
17 | * * notice, this list of conditions and the following disclaimer. | |
18 | * * 2) Redistributions in binary form must reproduce the above copyright | |
19 | * * notice, this list of conditions and the following disclaimer in the | |
20 | * * documentation and/or other materials provided with the distribution. | |
21 | * * 3) The name of the author may not be used to endorse or promote products | |
22 | * * derived from this software without specific psisusbr written permission. | |
23 | * * | |
24 | * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR | |
25 | * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
26 | * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
27 | * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
28 | * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
29 | * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
30 | * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
31 | * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
32 | * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
33 | * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
34 | * | |
ed86d970 | 35 | * Author: Thomas Winischhofer <thomas@winischhofer.net> |
1da177e4 LT |
36 | * |
37 | */ | |
38 | ||
2682d27c | 39 | #include <linux/mutex.h> |
1da177e4 LT |
40 | #include <linux/module.h> |
41 | #include <linux/kernel.h> | |
42 | #include <linux/signal.h> | |
1da177e4 LT |
43 | #include <linux/errno.h> |
44 | #include <linux/poll.h> | |
45 | #include <linux/init.h> | |
46 | #include <linux/slab.h> | |
47 | #include <linux/spinlock.h> | |
48 | #include <linux/kref.h> | |
49 | #include <linux/usb.h> | |
1bbb4f20 | 50 | #include <linux/vmalloc.h> |
1da177e4 LT |
51 | |
52 | #include "sisusb.h" | |
df47e533 | 53 | #include "sisusb_init.h" |
1da177e4 | 54 | |
1bbb4f20 TW |
55 | #ifdef INCL_SISUSB_CON |
56 | #include <linux/font.h> | |
57 | #endif | |
58 | ||
1da177e4 LT |
59 | #define SISUSB_DONTSYNC |
60 | ||
61 | /* Forward declarations / clean-up routines */ | |
62 | ||
1bbb4f20 | 63 | #ifdef INCL_SISUSB_CON |
1bbb4f20 TW |
64 | static int sisusb_first_vc = 0; |
65 | static int sisusb_last_vc = 0; | |
66 | module_param_named(first, sisusb_first_vc, int, 0); | |
67 | module_param_named(last, sisusb_last_vc, int, 0); | |
68 | MODULE_PARM_DESC(first, "Number of first console to take over (1 - MAX_NR_CONSOLES)"); | |
69 | MODULE_PARM_DESC(last, "Number of last console to take over (1 - MAX_NR_CONSOLES)"); | |
70 | #endif | |
71 | ||
1da177e4 LT |
72 | static struct usb_driver sisusb_driver; |
73 | ||
1da177e4 LT |
74 | static void |
75 | sisusb_free_buffers(struct sisusb_usb_data *sisusb) | |
76 | { | |
77 | int i; | |
78 | ||
79 | for (i = 0; i < NUMOBUFS; i++) { | |
80 | if (sisusb->obuf[i]) { | |
d2fb1bb3 | 81 | kfree(sisusb->obuf[i]); |
1da177e4 LT |
82 | sisusb->obuf[i] = NULL; |
83 | } | |
84 | } | |
85 | if (sisusb->ibuf) { | |
d2fb1bb3 | 86 | kfree(sisusb->ibuf); |
1da177e4 LT |
87 | sisusb->ibuf = NULL; |
88 | } | |
89 | } | |
90 | ||
91 | static void | |
92 | sisusb_free_urbs(struct sisusb_usb_data *sisusb) | |
93 | { | |
94 | int i; | |
95 | ||
96 | for (i = 0; i < NUMOBUFS; i++) { | |
97 | usb_free_urb(sisusb->sisurbout[i]); | |
98 | sisusb->sisurbout[i] = NULL; | |
99 | } | |
100 | usb_free_urb(sisusb->sisurbin); | |
101 | sisusb->sisurbin = NULL; | |
102 | } | |
103 | ||
104 | /* Level 0: USB transport layer */ | |
105 | ||
106 | /* 1. out-bulks */ | |
107 | ||
108 | /* out-urb management */ | |
109 | ||
110 | /* Return 1 if all free, 0 otherwise */ | |
111 | static int | |
112 | sisusb_all_free(struct sisusb_usb_data *sisusb) | |
113 | { | |
114 | int i; | |
115 | ||
116 | for (i = 0; i < sisusb->numobufs; i++) { | |
117 | ||
118 | if (sisusb->urbstatus[i] & SU_URB_BUSY) | |
119 | return 0; | |
120 | ||
121 | } | |
122 | ||
123 | return 1; | |
124 | } | |
125 | ||
126 | /* Kill all busy URBs */ | |
127 | static void | |
128 | sisusb_kill_all_busy(struct sisusb_usb_data *sisusb) | |
129 | { | |
130 | int i; | |
131 | ||
132 | if (sisusb_all_free(sisusb)) | |
133 | return; | |
134 | ||
135 | for (i = 0; i < sisusb->numobufs; i++) { | |
136 | ||
137 | if (sisusb->urbstatus[i] & SU_URB_BUSY) | |
138 | usb_kill_urb(sisusb->sisurbout[i]); | |
139 | ||
140 | } | |
141 | } | |
142 | ||
143 | /* Return 1 if ok, 0 if error (not all complete within timeout) */ | |
144 | static int | |
145 | sisusb_wait_all_out_complete(struct sisusb_usb_data *sisusb) | |
146 | { | |
147 | int timeout = 5 * HZ, i = 1; | |
148 | ||
149 | wait_event_timeout(sisusb->wait_q, | |
150 | (i = sisusb_all_free(sisusb)), | |
151 | timeout); | |
152 | ||
153 | return i; | |
154 | } | |
155 | ||
156 | static int | |
157 | sisusb_outurb_available(struct sisusb_usb_data *sisusb) | |
158 | { | |
159 | int i; | |
160 | ||
161 | for (i = 0; i < sisusb->numobufs; i++) { | |
162 | ||
163 | if ((sisusb->urbstatus[i] & (SU_URB_BUSY|SU_URB_ALLOC)) == 0) | |
164 | return i; | |
165 | ||
166 | } | |
167 | ||
168 | return -1; | |
169 | } | |
170 | ||
171 | static int | |
172 | sisusb_get_free_outbuf(struct sisusb_usb_data *sisusb) | |
173 | { | |
174 | int i, timeout = 5 * HZ; | |
175 | ||
176 | wait_event_timeout(sisusb->wait_q, | |
177 | ((i = sisusb_outurb_available(sisusb)) >= 0), | |
178 | timeout); | |
179 | ||
180 | return i; | |
181 | } | |
182 | ||
183 | static int | |
184 | sisusb_alloc_outbuf(struct sisusb_usb_data *sisusb) | |
185 | { | |
186 | int i; | |
187 | ||
188 | i = sisusb_outurb_available(sisusb); | |
189 | ||
190 | if (i >= 0) | |
191 | sisusb->urbstatus[i] |= SU_URB_ALLOC; | |
192 | ||
193 | return i; | |
194 | } | |
195 | ||
196 | static void | |
197 | sisusb_free_outbuf(struct sisusb_usb_data *sisusb, int index) | |
198 | { | |
199 | if ((index >= 0) && (index < sisusb->numobufs)) | |
200 | sisusb->urbstatus[index] &= ~SU_URB_ALLOC; | |
201 | } | |
202 | ||
203 | /* completion callback */ | |
204 | ||
205 | static void | |
7d12e780 | 206 | sisusb_bulk_completeout(struct urb *urb) |
1da177e4 LT |
207 | { |
208 | struct sisusb_urb_context *context = urb->context; | |
209 | struct sisusb_usb_data *sisusb; | |
210 | ||
211 | if (!context) | |
212 | return; | |
213 | ||
214 | sisusb = context->sisusb; | |
215 | ||
216 | if (!sisusb || !sisusb->sisusb_dev || !sisusb->present) | |
217 | return; | |
218 | ||
219 | #ifndef SISUSB_DONTSYNC | |
220 | if (context->actual_length) | |
221 | *(context->actual_length) += urb->actual_length; | |
222 | #endif | |
223 | ||
224 | sisusb->urbstatus[context->urbindex] &= ~SU_URB_BUSY; | |
225 | wake_up(&sisusb->wait_q); | |
226 | } | |
227 | ||
228 | static int | |
229 | sisusb_bulkout_msg(struct sisusb_usb_data *sisusb, int index, unsigned int pipe, void *data, | |
d2fb1bb3 | 230 | int len, int *actual_length, int timeout, unsigned int tflags) |
1da177e4 LT |
231 | { |
232 | struct urb *urb = sisusb->sisurbout[index]; | |
233 | int retval, byteswritten = 0; | |
234 | ||
235 | /* Set up URB */ | |
236 | urb->transfer_flags = 0; | |
237 | ||
238 | usb_fill_bulk_urb(urb, sisusb->sisusb_dev, pipe, data, len, | |
239 | sisusb_bulk_completeout, &sisusb->urbout_context[index]); | |
240 | ||
b375a049 | 241 | urb->transfer_flags |= tflags; |
1da177e4 LT |
242 | urb->actual_length = 0; |
243 | ||
1da177e4 LT |
244 | /* Set up context */ |
245 | sisusb->urbout_context[index].actual_length = (timeout) ? | |
246 | NULL : actual_length; | |
247 | ||
248 | /* Declare this urb/buffer in use */ | |
249 | sisusb->urbstatus[index] |= SU_URB_BUSY; | |
250 | ||
251 | /* Submit URB */ | |
444dc54c | 252 | retval = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 LT |
253 | |
254 | /* If OK, and if timeout > 0, wait for completion */ | |
255 | if ((retval == 0) && timeout) { | |
256 | wait_event_timeout(sisusb->wait_q, | |
257 | (!(sisusb->urbstatus[index] & SU_URB_BUSY)), | |
258 | timeout); | |
259 | if (sisusb->urbstatus[index] & SU_URB_BUSY) { | |
260 | /* URB timed out... kill it and report error */ | |
261 | usb_kill_urb(urb); | |
262 | retval = -ETIMEDOUT; | |
263 | } else { | |
264 | /* Otherwise, report urb status */ | |
265 | retval = urb->status; | |
266 | byteswritten = urb->actual_length; | |
267 | } | |
268 | } | |
269 | ||
270 | if (actual_length) | |
271 | *actual_length = byteswritten; | |
272 | ||
273 | return retval; | |
274 | } | |
275 | ||
276 | /* 2. in-bulks */ | |
277 | ||
278 | /* completion callback */ | |
279 | ||
280 | static void | |
7d12e780 | 281 | sisusb_bulk_completein(struct urb *urb) |
1da177e4 LT |
282 | { |
283 | struct sisusb_usb_data *sisusb = urb->context; | |
284 | ||
285 | if (!sisusb || !sisusb->sisusb_dev || !sisusb->present) | |
286 | return; | |
287 | ||
288 | sisusb->completein = 1; | |
289 | wake_up(&sisusb->wait_q); | |
290 | } | |
291 | ||
292 | static int | |
d2fb1bb3 PZ |
293 | sisusb_bulkin_msg(struct sisusb_usb_data *sisusb, unsigned int pipe, void *data, |
294 | int len, int *actual_length, int timeout, unsigned int tflags) | |
1da177e4 LT |
295 | { |
296 | struct urb *urb = sisusb->sisurbin; | |
297 | int retval, readbytes = 0; | |
298 | ||
299 | urb->transfer_flags = 0; | |
300 | ||
301 | usb_fill_bulk_urb(urb, sisusb->sisusb_dev, pipe, data, len, | |
302 | sisusb_bulk_completein, sisusb); | |
303 | ||
b375a049 | 304 | urb->transfer_flags |= tflags; |
1da177e4 LT |
305 | urb->actual_length = 0; |
306 | ||
1da177e4 | 307 | sisusb->completein = 0; |
444dc54c | 308 | retval = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 LT |
309 | if (retval == 0) { |
310 | wait_event_timeout(sisusb->wait_q, sisusb->completein, timeout); | |
311 | if (!sisusb->completein) { | |
312 | /* URB timed out... kill it and report error */ | |
313 | usb_kill_urb(urb); | |
314 | retval = -ETIMEDOUT; | |
315 | } else { | |
dc0d5c1e | 316 | /* URB completed within timeout */ |
1da177e4 LT |
317 | retval = urb->status; |
318 | readbytes = urb->actual_length; | |
319 | } | |
320 | } | |
321 | ||
322 | if (actual_length) | |
323 | *actual_length = readbytes; | |
324 | ||
325 | return retval; | |
326 | } | |
327 | ||
328 | ||
329 | /* Level 1: */ | |
330 | ||
331 | /* Send a bulk message of variable size | |
332 | * | |
333 | * To copy the data from userspace, give pointer to "userbuffer", | |
334 | * to copy from (non-DMA) kernel memory, give "kernbuffer". If | |
335 | * both of these are NULL, it is assumed, that the transfer | |
336 | * buffer "sisusb->obuf[index]" is set up with the data to send. | |
337 | * Index is ignored if either kernbuffer or userbuffer is set. | |
338 | * If async is nonzero, URBs will be sent without waiting for | |
339 | * completion of the previous URB. | |
340 | * | |
341 | * (return 0 on success) | |
342 | */ | |
343 | ||
344 | static int sisusb_send_bulk_msg(struct sisusb_usb_data *sisusb, int ep, int len, | |
345 | char *kernbuffer, const char __user *userbuffer, int index, | |
346 | ssize_t *bytes_written, unsigned int tflags, int async) | |
347 | { | |
348 | int result = 0, retry, count = len; | |
349 | int passsize, thispass, transferred_len = 0; | |
350 | int fromuser = (userbuffer != NULL) ? 1 : 0; | |
351 | int fromkern = (kernbuffer != NULL) ? 1 : 0; | |
352 | unsigned int pipe; | |
353 | char *buffer; | |
354 | ||
355 | (*bytes_written) = 0; | |
356 | ||
357 | /* Sanity check */ | |
358 | if (!sisusb || !sisusb->present || !sisusb->sisusb_dev) | |
359 | return -ENODEV; | |
360 | ||
361 | /* If we copy data from kernel or userspace, force the | |
362 | * allocation of a buffer/urb. If we have the data in | |
363 | * the transfer buffer[index] already, reuse the buffer/URB | |
364 | * if the length is > buffer size. (So, transmitting | |
365 | * large data amounts directly from the transfer buffer | |
366 | * treats the buffer as a ring buffer. However, we need | |
367 | * to sync in this case.) | |
368 | */ | |
369 | if (fromuser || fromkern) | |
370 | index = -1; | |
371 | else if (len > sisusb->obufsize) | |
372 | async = 0; | |
373 | ||
374 | pipe = usb_sndbulkpipe(sisusb->sisusb_dev, ep); | |
375 | ||
376 | do { | |
377 | passsize = thispass = (sisusb->obufsize < count) ? | |
378 | sisusb->obufsize : count; | |
379 | ||
380 | if (index < 0) | |
381 | index = sisusb_get_free_outbuf(sisusb); | |
382 | ||
383 | if (index < 0) | |
384 | return -EIO; | |
385 | ||
386 | buffer = sisusb->obuf[index]; | |
387 | ||
388 | if (fromuser) { | |
389 | ||
390 | if (copy_from_user(buffer, userbuffer, passsize)) | |
391 | return -EFAULT; | |
392 | ||
393 | userbuffer += passsize; | |
394 | ||
395 | } else if (fromkern) { | |
396 | ||
397 | memcpy(buffer, kernbuffer, passsize); | |
398 | kernbuffer += passsize; | |
399 | ||
400 | } | |
401 | ||
402 | retry = 5; | |
403 | while (thispass) { | |
404 | ||
405 | if (!sisusb->sisusb_dev) | |
406 | return -ENODEV; | |
407 | ||
408 | result = sisusb_bulkout_msg(sisusb, | |
409 | index, | |
410 | pipe, | |
411 | buffer, | |
412 | thispass, | |
413 | &transferred_len, | |
414 | async ? 0 : 5 * HZ, | |
d2fb1bb3 | 415 | tflags); |
1da177e4 LT |
416 | |
417 | if (result == -ETIMEDOUT) { | |
418 | ||
419 | /* Will not happen if async */ | |
420 | if (!retry--) | |
421 | return -ETIME; | |
422 | ||
423 | continue; | |
d2fb1bb3 | 424 | } |
1da177e4 | 425 | |
d2fb1bb3 | 426 | if ((result == 0) && !async && transferred_len) { |
1da177e4 LT |
427 | |
428 | thispass -= transferred_len; | |
d2fb1bb3 | 429 | buffer += transferred_len; |
1da177e4 LT |
430 | |
431 | } else | |
432 | break; | |
d2fb1bb3 | 433 | } |
1da177e4 LT |
434 | |
435 | if (result) | |
436 | return result; | |
437 | ||
438 | (*bytes_written) += passsize; | |
439 | count -= passsize; | |
440 | ||
441 | /* Force new allocation in next iteration */ | |
442 | if (fromuser || fromkern) | |
443 | index = -1; | |
444 | ||
445 | } while (count > 0); | |
446 | ||
447 | if (async) { | |
448 | #ifdef SISUSB_DONTSYNC | |
449 | (*bytes_written) = len; | |
450 | /* Some URBs/buffers might be busy */ | |
451 | #else | |
452 | sisusb_wait_all_out_complete(sisusb); | |
453 | (*bytes_written) = transferred_len; | |
454 | /* All URBs and all buffers are available */ | |
455 | #endif | |
456 | } | |
457 | ||
458 | return ((*bytes_written) == len) ? 0 : -EIO; | |
459 | } | |
460 | ||
461 | /* Receive a bulk message of variable size | |
462 | * | |
463 | * To copy the data to userspace, give pointer to "userbuffer", | |
464 | * to copy to kernel memory, give "kernbuffer". One of them | |
465 | * MUST be set. (There is no technique for letting the caller | |
466 | * read directly from the ibuf.) | |
467 | * | |
468 | */ | |
469 | ||
470 | static int sisusb_recv_bulk_msg(struct sisusb_usb_data *sisusb, int ep, int len, | |
471 | void *kernbuffer, char __user *userbuffer, ssize_t *bytes_read, | |
472 | unsigned int tflags) | |
473 | { | |
474 | int result = 0, retry, count = len; | |
475 | int bufsize, thispass, transferred_len; | |
476 | unsigned int pipe; | |
477 | char *buffer; | |
478 | ||
479 | (*bytes_read) = 0; | |
480 | ||
481 | /* Sanity check */ | |
482 | if (!sisusb || !sisusb->present || !sisusb->sisusb_dev) | |
483 | return -ENODEV; | |
484 | ||
485 | pipe = usb_rcvbulkpipe(sisusb->sisusb_dev, ep); | |
486 | buffer = sisusb->ibuf; | |
487 | bufsize = sisusb->ibufsize; | |
488 | ||
489 | retry = 5; | |
490 | ||
491 | #ifdef SISUSB_DONTSYNC | |
492 | if (!(sisusb_wait_all_out_complete(sisusb))) | |
493 | return -EIO; | |
494 | #endif | |
495 | ||
496 | while (count > 0) { | |
497 | ||
498 | if (!sisusb->sisusb_dev) | |
499 | return -ENODEV; | |
500 | ||
501 | thispass = (bufsize < count) ? bufsize : count; | |
502 | ||
503 | result = sisusb_bulkin_msg(sisusb, | |
504 | pipe, | |
505 | buffer, | |
506 | thispass, | |
507 | &transferred_len, | |
508 | 5 * HZ, | |
d2fb1bb3 | 509 | tflags); |
1da177e4 LT |
510 | |
511 | if (transferred_len) | |
512 | thispass = transferred_len; | |
513 | ||
514 | else if (result == -ETIMEDOUT) { | |
515 | ||
516 | if (!retry--) | |
517 | return -ETIME; | |
518 | ||
519 | continue; | |
520 | ||
521 | } else | |
522 | return -EIO; | |
523 | ||
524 | ||
525 | if (thispass) { | |
526 | ||
527 | (*bytes_read) += thispass; | |
528 | count -= thispass; | |
529 | ||
530 | if (userbuffer) { | |
531 | ||
532 | if (copy_to_user(userbuffer, buffer, thispass)) | |
533 | return -EFAULT; | |
534 | ||
535 | userbuffer += thispass; | |
536 | ||
537 | } else { | |
538 | ||
539 | memcpy(kernbuffer, buffer, thispass); | |
540 | kernbuffer += thispass; | |
541 | ||
542 | } | |
543 | ||
544 | } | |
545 | ||
546 | } | |
547 | ||
548 | return ((*bytes_read) == len) ? 0 : -EIO; | |
549 | } | |
550 | ||
551 | static int sisusb_send_packet(struct sisusb_usb_data *sisusb, int len, | |
552 | struct sisusb_packet *packet) | |
553 | { | |
554 | int ret; | |
555 | ssize_t bytes_transferred = 0; | |
556 | __le32 tmp; | |
557 | ||
558 | if (len == 6) | |
559 | packet->data = 0; | |
560 | ||
561 | #ifdef SISUSB_DONTSYNC | |
562 | if (!(sisusb_wait_all_out_complete(sisusb))) | |
563 | return 1; | |
564 | #endif | |
565 | ||
566 | /* Eventually correct endianness */ | |
567 | SISUSB_CORRECT_ENDIANNESS_PACKET(packet); | |
568 | ||
569 | /* 1. send the packet */ | |
570 | ret = sisusb_send_bulk_msg(sisusb, SISUSB_EP_GFX_OUT, len, | |
571 | (char *)packet, NULL, 0, &bytes_transferred, 0, 0); | |
572 | ||
573 | if ((ret == 0) && (len == 6)) { | |
574 | ||
575 | /* 2. if packet len == 6, it means we read, so wait for 32bit | |
576 | * return value and write it to packet->data | |
577 | */ | |
578 | ret = sisusb_recv_bulk_msg(sisusb, SISUSB_EP_GFX_IN, 4, | |
579 | (char *)&tmp, NULL, &bytes_transferred, 0); | |
580 | ||
581 | packet->data = le32_to_cpu(tmp); | |
582 | } | |
583 | ||
584 | return ret; | |
585 | } | |
586 | ||
587 | static int sisusb_send_bridge_packet(struct sisusb_usb_data *sisusb, int len, | |
588 | struct sisusb_packet *packet, | |
589 | unsigned int tflags) | |
590 | { | |
591 | int ret; | |
592 | ssize_t bytes_transferred = 0; | |
593 | __le32 tmp; | |
594 | ||
595 | if (len == 6) | |
596 | packet->data = 0; | |
597 | ||
598 | #ifdef SISUSB_DONTSYNC | |
599 | if (!(sisusb_wait_all_out_complete(sisusb))) | |
600 | return 1; | |
601 | #endif | |
602 | ||
603 | /* Eventually correct endianness */ | |
604 | SISUSB_CORRECT_ENDIANNESS_PACKET(packet); | |
605 | ||
606 | /* 1. send the packet */ | |
607 | ret = sisusb_send_bulk_msg(sisusb, SISUSB_EP_BRIDGE_OUT, len, | |
608 | (char *)packet, NULL, 0, &bytes_transferred, tflags, 0); | |
609 | ||
610 | if ((ret == 0) && (len == 6)) { | |
611 | ||
612 | /* 2. if packet len == 6, it means we read, so wait for 32bit | |
613 | * return value and write it to packet->data | |
614 | */ | |
615 | ret = sisusb_recv_bulk_msg(sisusb, SISUSB_EP_BRIDGE_IN, 4, | |
616 | (char *)&tmp, NULL, &bytes_transferred, 0); | |
617 | ||
618 | packet->data = le32_to_cpu(tmp); | |
619 | } | |
620 | ||
621 | return ret; | |
622 | } | |
623 | ||
624 | /* access video memory and mmio (return 0 on success) */ | |
625 | ||
626 | /* Low level */ | |
627 | ||
628 | /* The following routines assume being used to transfer byte, word, | |
629 | * long etc. | |
1bbb4f20 TW |
630 | * This means that |
631 | * - the write routines expect "data" in machine endianness format. | |
632 | * The data will be converted to leXX in sisusb_xxx_packet. | |
633 | * - the read routines can expect read data in machine-endianess. | |
1da177e4 LT |
634 | */ |
635 | ||
636 | static int sisusb_write_memio_byte(struct sisusb_usb_data *sisusb, int type, | |
637 | u32 addr, u8 data) | |
638 | { | |
639 | struct sisusb_packet packet; | |
640 | int ret; | |
641 | ||
642 | packet.header = (1 << (addr & 3)) | (type << 6); | |
643 | packet.address = addr & ~3; | |
644 | packet.data = data << ((addr & 3) << 3); | |
645 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
646 | return ret; | |
647 | } | |
648 | ||
649 | static int sisusb_write_memio_word(struct sisusb_usb_data *sisusb, int type, | |
650 | u32 addr, u16 data) | |
651 | { | |
652 | struct sisusb_packet packet; | |
653 | int ret = 0; | |
654 | ||
655 | packet.address = addr & ~3; | |
656 | ||
657 | switch (addr & 3) { | |
658 | case 0: | |
659 | packet.header = (type << 6) | 0x0003; | |
660 | packet.data = (u32)data; | |
661 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
662 | break; | |
663 | case 1: | |
664 | packet.header = (type << 6) | 0x0006; | |
665 | packet.data = (u32)data << 8; | |
666 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
667 | break; | |
668 | case 2: | |
669 | packet.header = (type << 6) | 0x000c; | |
670 | packet.data = (u32)data << 16; | |
671 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
672 | break; | |
673 | case 3: | |
674 | packet.header = (type << 6) | 0x0008; | |
675 | packet.data = (u32)data << 24; | |
676 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
677 | packet.header = (type << 6) | 0x0001; | |
678 | packet.address = (addr & ~3) + 4; | |
679 | packet.data = (u32)data >> 8; | |
680 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
681 | } | |
682 | ||
683 | return ret; | |
684 | } | |
685 | ||
686 | static int sisusb_write_memio_24bit(struct sisusb_usb_data *sisusb, int type, | |
687 | u32 addr, u32 data) | |
688 | { | |
689 | struct sisusb_packet packet; | |
690 | int ret = 0; | |
691 | ||
692 | packet.address = addr & ~3; | |
693 | ||
694 | switch (addr & 3) { | |
695 | case 0: | |
696 | packet.header = (type << 6) | 0x0007; | |
697 | packet.data = data & 0x00ffffff; | |
698 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
699 | break; | |
700 | case 1: | |
701 | packet.header = (type << 6) | 0x000e; | |
702 | packet.data = data << 8; | |
703 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
704 | break; | |
705 | case 2: | |
706 | packet.header = (type << 6) | 0x000c; | |
707 | packet.data = data << 16; | |
708 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
709 | packet.header = (type << 6) | 0x0001; | |
710 | packet.address = (addr & ~3) + 4; | |
711 | packet.data = (data >> 16) & 0x00ff; | |
712 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
713 | break; | |
714 | case 3: | |
715 | packet.header = (type << 6) | 0x0008; | |
716 | packet.data = data << 24; | |
717 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
718 | packet.header = (type << 6) | 0x0003; | |
719 | packet.address = (addr & ~3) + 4; | |
720 | packet.data = (data >> 8) & 0xffff; | |
721 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
722 | } | |
723 | ||
724 | return ret; | |
725 | } | |
726 | ||
727 | static int sisusb_write_memio_long(struct sisusb_usb_data *sisusb, int type, | |
728 | u32 addr, u32 data) | |
729 | { | |
730 | struct sisusb_packet packet; | |
731 | int ret = 0; | |
732 | ||
733 | packet.address = addr & ~3; | |
734 | ||
735 | switch (addr & 3) { | |
736 | case 0: | |
737 | packet.header = (type << 6) | 0x000f; | |
738 | packet.data = data; | |
739 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
740 | break; | |
741 | case 1: | |
742 | packet.header = (type << 6) | 0x000e; | |
743 | packet.data = data << 8; | |
744 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
745 | packet.header = (type << 6) | 0x0001; | |
746 | packet.address = (addr & ~3) + 4; | |
747 | packet.data = data >> 24; | |
748 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
749 | break; | |
750 | case 2: | |
751 | packet.header = (type << 6) | 0x000c; | |
752 | packet.data = data << 16; | |
753 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
754 | packet.header = (type << 6) | 0x0003; | |
755 | packet.address = (addr & ~3) + 4; | |
756 | packet.data = data >> 16; | |
757 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
758 | break; | |
759 | case 3: | |
760 | packet.header = (type << 6) | 0x0008; | |
761 | packet.data = data << 24; | |
762 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
763 | packet.header = (type << 6) | 0x0007; | |
764 | packet.address = (addr & ~3) + 4; | |
765 | packet.data = data >> 8; | |
766 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
767 | } | |
768 | ||
769 | return ret; | |
770 | } | |
771 | ||
772 | /* The xxx_bulk routines copy a buffer of variable size. They treat the | |
773 | * buffer as chars, therefore lsb/msb has to be corrected if using the | |
774 | * byte/word/long/etc routines for speed-up | |
775 | * | |
776 | * If data is from userland, set "userbuffer" (and clear "kernbuffer"), | |
777 | * if data is in kernel space, set "kernbuffer" (and clear "userbuffer"); | |
778 | * if neither "kernbuffer" nor "userbuffer" are given, it is assumed | |
779 | * that the data already is in the transfer buffer "sisusb->obuf[index]". | |
780 | */ | |
781 | ||
782 | static int sisusb_write_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr, | |
783 | char *kernbuffer, int length, | |
784 | const char __user *userbuffer, int index, | |
785 | ssize_t *bytes_written) | |
786 | { | |
787 | struct sisusb_packet packet; | |
788 | int ret = 0; | |
789 | static int msgcount = 0; | |
790 | u8 swap8, fromkern = kernbuffer ? 1 : 0; | |
791 | u16 swap16; | |
792 | u32 swap32, flag = (length >> 28) & 1; | |
793 | char buf[4]; | |
794 | ||
795 | /* if neither kernbuffer not userbuffer are given, assume | |
796 | * data in obuf | |
797 | */ | |
798 | if (!fromkern && !userbuffer) | |
799 | kernbuffer = sisusb->obuf[index]; | |
800 | ||
801 | (*bytes_written = 0); | |
802 | ||
803 | length &= 0x00ffffff; | |
804 | ||
805 | while (length) { | |
806 | ||
807 | switch (length) { | |
808 | ||
1da177e4 LT |
809 | case 1: |
810 | if (userbuffer) { | |
811 | if (get_user(swap8, (u8 __user *)userbuffer)) | |
812 | return -EFAULT; | |
813 | } else | |
814 | swap8 = kernbuffer[0]; | |
815 | ||
816 | ret = sisusb_write_memio_byte(sisusb, | |
817 | SISUSB_TYPE_MEM, | |
818 | addr, swap8); | |
819 | ||
820 | if (!ret) | |
821 | (*bytes_written)++; | |
822 | ||
823 | return ret; | |
824 | ||
825 | case 2: | |
826 | if (userbuffer) { | |
827 | if (get_user(swap16, (u16 __user *)userbuffer)) | |
828 | return -EFAULT; | |
829 | } else | |
1bbb4f20 | 830 | swap16 = *((u16 *)kernbuffer); |
1da177e4 LT |
831 | |
832 | ret = sisusb_write_memio_word(sisusb, | |
833 | SISUSB_TYPE_MEM, | |
834 | addr, | |
835 | swap16); | |
836 | ||
837 | if (!ret) | |
838 | (*bytes_written) += 2; | |
839 | ||
840 | return ret; | |
841 | ||
842 | case 3: | |
843 | if (userbuffer) { | |
844 | if (copy_from_user(&buf, userbuffer, 3)) | |
845 | return -EFAULT; | |
1bbb4f20 | 846 | #ifdef __BIG_ENDIAN |
1da177e4 LT |
847 | swap32 = (buf[0] << 16) | |
848 | (buf[1] << 8) | | |
849 | buf[2]; | |
1bbb4f20 TW |
850 | #else |
851 | swap32 = (buf[2] << 16) | | |
852 | (buf[1] << 8) | | |
853 | buf[0]; | |
854 | #endif | |
1da177e4 | 855 | } else |
1bbb4f20 | 856 | #ifdef __BIG_ENDIAN |
1da177e4 LT |
857 | swap32 = (kernbuffer[0] << 16) | |
858 | (kernbuffer[1] << 8) | | |
859 | kernbuffer[2]; | |
1bbb4f20 TW |
860 | #else |
861 | swap32 = (kernbuffer[2] << 16) | | |
862 | (kernbuffer[1] << 8) | | |
863 | kernbuffer[0]; | |
864 | #endif | |
1da177e4 LT |
865 | |
866 | ret = sisusb_write_memio_24bit(sisusb, | |
867 | SISUSB_TYPE_MEM, | |
868 | addr, | |
869 | swap32); | |
870 | ||
871 | if (!ret) | |
872 | (*bytes_written) += 3; | |
873 | ||
874 | return ret; | |
875 | ||
876 | case 4: | |
877 | if (userbuffer) { | |
878 | if (get_user(swap32, (u32 __user *)userbuffer)) | |
879 | return -EFAULT; | |
880 | } else | |
1bbb4f20 | 881 | swap32 = *((u32 *)kernbuffer); |
1da177e4 LT |
882 | |
883 | ret = sisusb_write_memio_long(sisusb, | |
884 | SISUSB_TYPE_MEM, | |
885 | addr, | |
886 | swap32); | |
887 | if (!ret) | |
888 | (*bytes_written) += 4; | |
889 | ||
890 | return ret; | |
891 | ||
892 | default: | |
893 | if ((length & ~3) > 0x10000) { | |
894 | ||
895 | packet.header = 0x001f; | |
896 | packet.address = 0x000001d4; | |
897 | packet.data = addr; | |
898 | ret = sisusb_send_bridge_packet(sisusb, 10, | |
899 | &packet, 0); | |
900 | packet.header = 0x001f; | |
901 | packet.address = 0x000001d0; | |
902 | packet.data = (length & ~3); | |
903 | ret |= sisusb_send_bridge_packet(sisusb, 10, | |
904 | &packet, 0); | |
905 | packet.header = 0x001f; | |
906 | packet.address = 0x000001c0; | |
907 | packet.data = flag | 0x16; | |
908 | ret |= sisusb_send_bridge_packet(sisusb, 10, | |
909 | &packet, 0); | |
910 | if (userbuffer) { | |
911 | ret |= sisusb_send_bulk_msg(sisusb, | |
912 | SISUSB_EP_GFX_LBULK_OUT, | |
913 | (length & ~3), | |
914 | NULL, userbuffer, 0, | |
915 | bytes_written, 0, 1); | |
916 | userbuffer += (*bytes_written); | |
917 | } else if (fromkern) { | |
918 | ret |= sisusb_send_bulk_msg(sisusb, | |
919 | SISUSB_EP_GFX_LBULK_OUT, | |
920 | (length & ~3), | |
921 | kernbuffer, NULL, 0, | |
922 | bytes_written, 0, 1); | |
923 | kernbuffer += (*bytes_written); | |
924 | } else { | |
925 | ret |= sisusb_send_bulk_msg(sisusb, | |
926 | SISUSB_EP_GFX_LBULK_OUT, | |
927 | (length & ~3), | |
928 | NULL, NULL, index, | |
929 | bytes_written, 0, 1); | |
930 | kernbuffer += ((*bytes_written) & | |
931 | (sisusb->obufsize-1)); | |
932 | } | |
933 | ||
934 | } else { | |
935 | ||
936 | packet.header = 0x001f; | |
937 | packet.address = 0x00000194; | |
938 | packet.data = addr; | |
939 | ret = sisusb_send_bridge_packet(sisusb, 10, | |
ed86d970 | 940 | &packet, 0); |
1da177e4 LT |
941 | packet.header = 0x001f; |
942 | packet.address = 0x00000190; | |
943 | packet.data = (length & ~3); | |
944 | ret |= sisusb_send_bridge_packet(sisusb, 10, | |
ed86d970 | 945 | &packet, 0); |
1da177e4 LT |
946 | if (sisusb->flagb0 != 0x16) { |
947 | packet.header = 0x001f; | |
948 | packet.address = 0x00000180; | |
949 | packet.data = flag | 0x16; | |
950 | ret |= sisusb_send_bridge_packet(sisusb, 10, | |
951 | &packet, 0); | |
952 | sisusb->flagb0 = 0x16; | |
953 | } | |
954 | if (userbuffer) { | |
955 | ret |= sisusb_send_bulk_msg(sisusb, | |
956 | SISUSB_EP_GFX_BULK_OUT, | |
957 | (length & ~3), | |
958 | NULL, userbuffer, 0, | |
959 | bytes_written, 0, 1); | |
960 | userbuffer += (*bytes_written); | |
961 | } else if (fromkern) { | |
962 | ret |= sisusb_send_bulk_msg(sisusb, | |
963 | SISUSB_EP_GFX_BULK_OUT, | |
964 | (length & ~3), | |
965 | kernbuffer, NULL, 0, | |
966 | bytes_written, 0, 1); | |
967 | kernbuffer += (*bytes_written); | |
968 | } else { | |
969 | ret |= sisusb_send_bulk_msg(sisusb, | |
970 | SISUSB_EP_GFX_BULK_OUT, | |
971 | (length & ~3), | |
972 | NULL, NULL, index, | |
973 | bytes_written, 0, 1); | |
974 | kernbuffer += ((*bytes_written) & | |
975 | (sisusb->obufsize-1)); | |
976 | } | |
977 | } | |
978 | if (ret) { | |
979 | msgcount++; | |
980 | if (msgcount < 500) | |
7b5cd5fe FB |
981 | dev_err(&sisusb->sisusb_dev->dev, "Wrote %zd of %d bytes, error %d\n", |
982 | *bytes_written, length, ret); | |
1da177e4 | 983 | else if (msgcount == 500) |
7b5cd5fe | 984 | dev_err(&sisusb->sisusb_dev->dev, "Too many errors, logging stopped\n"); |
1da177e4 LT |
985 | } |
986 | addr += (*bytes_written); | |
987 | length -= (*bytes_written); | |
988 | } | |
989 | ||
990 | if (ret) | |
ed86d970 | 991 | break; |
1da177e4 LT |
992 | |
993 | } | |
994 | ||
995 | return ret ? -EIO : 0; | |
996 | } | |
997 | ||
1bbb4f20 TW |
998 | /* Remember: Read data in packet is in machine-endianess! So for |
999 | * byte, word, 24bit, long no endian correction is necessary. | |
1000 | */ | |
1001 | ||
1da177e4 LT |
1002 | static int sisusb_read_memio_byte(struct sisusb_usb_data *sisusb, int type, |
1003 | u32 addr, u8 *data) | |
1004 | { | |
1005 | struct sisusb_packet packet; | |
1006 | int ret; | |
1007 | ||
1008 | CLEARPACKET(&packet); | |
1009 | packet.header = (1 << (addr & 3)) | (type << 6); | |
1010 | packet.address = addr & ~3; | |
1011 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1012 | *data = (u8)(packet.data >> ((addr & 3) << 3)); | |
1013 | return ret; | |
1014 | } | |
1015 | ||
1016 | static int sisusb_read_memio_word(struct sisusb_usb_data *sisusb, int type, | |
1017 | u32 addr, u16 *data) | |
1018 | { | |
1019 | struct sisusb_packet packet; | |
1020 | int ret = 0; | |
1021 | ||
1022 | CLEARPACKET(&packet); | |
1023 | ||
1024 | packet.address = addr & ~3; | |
1025 | ||
1026 | switch (addr & 3) { | |
1027 | case 0: | |
1028 | packet.header = (type << 6) | 0x0003; | |
1029 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1030 | *data = (u16)(packet.data); | |
1031 | break; | |
1032 | case 1: | |
1033 | packet.header = (type << 6) | 0x0006; | |
1034 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1035 | *data = (u16)(packet.data >> 8); | |
1036 | break; | |
1037 | case 2: | |
1038 | packet.header = (type << 6) | 0x000c; | |
1039 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1040 | *data = (u16)(packet.data >> 16); | |
1041 | break; | |
1042 | case 3: | |
1043 | packet.header = (type << 6) | 0x0008; | |
1044 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1045 | *data = (u16)(packet.data >> 24); | |
1046 | packet.header = (type << 6) | 0x0001; | |
1047 | packet.address = (addr & ~3) + 4; | |
1048 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1049 | *data |= (u16)(packet.data << 8); | |
1050 | } | |
1051 | ||
1052 | return ret; | |
1053 | } | |
1054 | ||
1055 | static int sisusb_read_memio_24bit(struct sisusb_usb_data *sisusb, int type, | |
1056 | u32 addr, u32 *data) | |
1057 | { | |
1058 | struct sisusb_packet packet; | |
1059 | int ret = 0; | |
1060 | ||
1061 | packet.address = addr & ~3; | |
1062 | ||
1063 | switch (addr & 3) { | |
1064 | case 0: | |
1065 | packet.header = (type << 6) | 0x0007; | |
1066 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1067 | *data = packet.data & 0x00ffffff; | |
1068 | break; | |
1069 | case 1: | |
1070 | packet.header = (type << 6) | 0x000e; | |
1071 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1072 | *data = packet.data >> 8; | |
1073 | break; | |
1074 | case 2: | |
1075 | packet.header = (type << 6) | 0x000c; | |
1076 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1077 | *data = packet.data >> 16; | |
1078 | packet.header = (type << 6) | 0x0001; | |
1079 | packet.address = (addr & ~3) + 4; | |
1080 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1081 | *data |= ((packet.data & 0xff) << 16); | |
1082 | break; | |
1083 | case 3: | |
1084 | packet.header = (type << 6) | 0x0008; | |
1085 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1086 | *data = packet.data >> 24; | |
1087 | packet.header = (type << 6) | 0x0003; | |
1088 | packet.address = (addr & ~3) + 4; | |
1089 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1090 | *data |= ((packet.data & 0xffff) << 8); | |
1091 | } | |
1092 | ||
1093 | return ret; | |
1094 | } | |
1095 | ||
1096 | static int sisusb_read_memio_long(struct sisusb_usb_data *sisusb, int type, | |
1097 | u32 addr, u32 *data) | |
1098 | { | |
1099 | struct sisusb_packet packet; | |
1100 | int ret = 0; | |
1101 | ||
1102 | packet.address = addr & ~3; | |
1103 | ||
1104 | switch (addr & 3) { | |
1105 | case 0: | |
1106 | packet.header = (type << 6) | 0x000f; | |
1107 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1108 | *data = packet.data; | |
1109 | break; | |
1110 | case 1: | |
1111 | packet.header = (type << 6) | 0x000e; | |
1112 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1113 | *data = packet.data >> 8; | |
1114 | packet.header = (type << 6) | 0x0001; | |
1115 | packet.address = (addr & ~3) + 4; | |
1116 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1117 | *data |= (packet.data << 24); | |
1118 | break; | |
1119 | case 2: | |
1120 | packet.header = (type << 6) | 0x000c; | |
1121 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1122 | *data = packet.data >> 16; | |
1123 | packet.header = (type << 6) | 0x0003; | |
1124 | packet.address = (addr & ~3) + 4; | |
1125 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1126 | *data |= (packet.data << 16); | |
1127 | break; | |
1128 | case 3: | |
1129 | packet.header = (type << 6) | 0x0008; | |
1130 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1131 | *data = packet.data >> 24; | |
1132 | packet.header = (type << 6) | 0x0007; | |
1133 | packet.address = (addr & ~3) + 4; | |
1134 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1135 | *data |= (packet.data << 8); | |
1136 | } | |
1137 | ||
1138 | return ret; | |
1139 | } | |
1140 | ||
1141 | static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr, | |
1142 | char *kernbuffer, int length, | |
1143 | char __user *userbuffer, ssize_t *bytes_read) | |
1144 | { | |
1145 | int ret = 0; | |
1146 | char buf[4]; | |
1147 | u16 swap16; | |
1148 | u32 swap32; | |
1149 | ||
1150 | (*bytes_read = 0); | |
1151 | ||
1152 | length &= 0x00ffffff; | |
1153 | ||
1154 | while (length) { | |
1155 | ||
1156 | switch (length) { | |
1157 | ||
1da177e4 LT |
1158 | case 1: |
1159 | ||
1160 | ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, | |
1161 | addr, &buf[0]); | |
1162 | if (!ret) { | |
1163 | (*bytes_read)++; | |
1164 | if (userbuffer) { | |
1165 | if (put_user(buf[0], | |
1166 | (u8 __user *)userbuffer)) { | |
1167 | return -EFAULT; | |
1168 | } | |
1169 | } else { | |
1170 | kernbuffer[0] = buf[0]; | |
1171 | } | |
1172 | } | |
1173 | return ret; | |
1174 | ||
1175 | case 2: | |
1176 | ret |= sisusb_read_memio_word(sisusb, SISUSB_TYPE_MEM, | |
1177 | addr, &swap16); | |
1178 | if (!ret) { | |
1179 | (*bytes_read) += 2; | |
1180 | if (userbuffer) { | |
1181 | if (put_user(swap16, | |
1182 | (u16 __user *)userbuffer)) | |
1183 | return -EFAULT; | |
1184 | } else { | |
1bbb4f20 | 1185 | *((u16 *)kernbuffer) = swap16; |
1da177e4 LT |
1186 | } |
1187 | } | |
1188 | return ret; | |
1189 | ||
1190 | case 3: | |
1191 | ret |= sisusb_read_memio_24bit(sisusb, SISUSB_TYPE_MEM, | |
1192 | addr, &swap32); | |
1193 | if (!ret) { | |
1194 | (*bytes_read) += 3; | |
1bbb4f20 | 1195 | #ifdef __BIG_ENDIAN |
1da177e4 LT |
1196 | buf[0] = (swap32 >> 16) & 0xff; |
1197 | buf[1] = (swap32 >> 8) & 0xff; | |
1198 | buf[2] = swap32 & 0xff; | |
1bbb4f20 TW |
1199 | #else |
1200 | buf[2] = (swap32 >> 16) & 0xff; | |
1201 | buf[1] = (swap32 >> 8) & 0xff; | |
1202 | buf[0] = swap32 & 0xff; | |
1203 | #endif | |
1da177e4 LT |
1204 | if (userbuffer) { |
1205 | if (copy_to_user(userbuffer, &buf[0], 3)) | |
1206 | return -EFAULT; | |
1207 | } else { | |
1208 | kernbuffer[0] = buf[0]; | |
1209 | kernbuffer[1] = buf[1]; | |
1210 | kernbuffer[2] = buf[2]; | |
1211 | } | |
1212 | } | |
1213 | return ret; | |
1214 | ||
1215 | default: | |
1216 | ret |= sisusb_read_memio_long(sisusb, SISUSB_TYPE_MEM, | |
1217 | addr, &swap32); | |
1218 | if (!ret) { | |
1219 | (*bytes_read) += 4; | |
1220 | if (userbuffer) { | |
1221 | if (put_user(swap32, | |
1222 | (u32 __user *)userbuffer)) | |
1223 | return -EFAULT; | |
1224 | ||
1225 | userbuffer += 4; | |
1226 | } else { | |
1bbb4f20 | 1227 | *((u32 *)kernbuffer) = swap32; |
1da177e4 LT |
1228 | kernbuffer += 4; |
1229 | } | |
1230 | addr += 4; | |
1231 | length -= 4; | |
1232 | } | |
1da177e4 LT |
1233 | } |
1234 | ||
1235 | if (ret) | |
ed86d970 | 1236 | break; |
1da177e4 LT |
1237 | } |
1238 | ||
1239 | return ret; | |
1240 | } | |
1241 | ||
1242 | /* High level: Gfx (indexed) register access */ | |
1243 | ||
1bbb4f20 TW |
1244 | #ifdef INCL_SISUSB_CON |
1245 | int | |
1246 | sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data) | |
1247 | { | |
1248 | return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); | |
1249 | } | |
1250 | ||
1251 | int | |
1252 | sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data) | |
1253 | { | |
1254 | return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); | |
1255 | } | |
1256 | #endif | |
1257 | ||
1bbb4f20 | 1258 | int |
1da177e4 LT |
1259 | sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data) |
1260 | { | |
1261 | int ret; | |
1262 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, index); | |
1263 | ret |= sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, data); | |
1264 | return ret; | |
1265 | } | |
1266 | ||
1bbb4f20 | 1267 | int |
1da177e4 LT |
1268 | sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data) |
1269 | { | |
1270 | int ret; | |
1271 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, index); | |
1272 | ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, data); | |
1273 | return ret; | |
1274 | } | |
1275 | ||
1bbb4f20 | 1276 | int |
1da177e4 LT |
1277 | sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx, |
1278 | u8 myand, u8 myor) | |
1279 | { | |
1280 | int ret; | |
1281 | u8 tmp; | |
1282 | ||
1283 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, idx); | |
1284 | ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, &tmp); | |
1285 | tmp &= myand; | |
1286 | tmp |= myor; | |
1287 | ret |= sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, tmp); | |
1288 | return ret; | |
1289 | } | |
1290 | ||
1291 | static int | |
1292 | sisusb_setidxregmask(struct sisusb_usb_data *sisusb, int port, u8 idx, | |
1293 | u8 data, u8 mask) | |
1294 | { | |
1295 | int ret; | |
1296 | u8 tmp; | |
1297 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, idx); | |
1298 | ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, &tmp); | |
1299 | tmp &= ~(mask); | |
1300 | tmp |= (data & mask); | |
1301 | ret |= sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, tmp); | |
1302 | return ret; | |
1303 | } | |
1304 | ||
1bbb4f20 | 1305 | int |
1da177e4 LT |
1306 | sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, u8 index, u8 myor) |
1307 | { | |
1308 | return(sisusb_setidxregandor(sisusb, port, index, 0xff, myor)); | |
1309 | } | |
1310 | ||
1bbb4f20 | 1311 | int |
1da177e4 LT |
1312 | sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand) |
1313 | { | |
1314 | return(sisusb_setidxregandor(sisusb, port, idx, myand, 0x00)); | |
1315 | } | |
1316 | ||
1bbb4f20 TW |
1317 | /* Write/read video ram */ |
1318 | ||
1319 | #ifdef INCL_SISUSB_CON | |
1320 | int | |
1321 | sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data) | |
1322 | { | |
1323 | return(sisusb_write_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data)); | |
1324 | } | |
1325 | ||
1326 | int | |
1327 | sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data) | |
1328 | { | |
1329 | return(sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data)); | |
1330 | } | |
1331 | ||
1bbb4f20 TW |
1332 | int |
1333 | sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src, | |
1334 | u32 dest, int length, size_t *bytes_written) | |
1335 | { | |
1336 | return(sisusb_write_mem_bulk(sisusb, dest, src, length, NULL, 0, bytes_written)); | |
1337 | } | |
1338 | ||
1339 | #ifdef SISUSBENDIANTEST | |
1340 | int | |
1341 | sisusb_read_memory(struct sisusb_usb_data *sisusb, char *dest, | |
1342 | u32 src, int length, size_t *bytes_written) | |
1343 | { | |
1344 | return(sisusb_read_mem_bulk(sisusb, src, dest, length, NULL, bytes_written)); | |
1345 | } | |
1346 | #endif | |
1347 | #endif | |
1348 | ||
1349 | #ifdef SISUSBENDIANTEST | |
1350 | static void | |
1351 | sisusb_testreadwrite(struct sisusb_usb_data *sisusb) | |
1352 | { | |
1353 | static char srcbuffer[] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 }; | |
1354 | char destbuffer[10]; | |
1355 | size_t dummy; | |
1356 | int i,j; | |
1357 | ||
1358 | sisusb_copy_memory(sisusb, srcbuffer, sisusb->vrambase, 7, &dummy); | |
1359 | ||
1360 | for(i = 1; i <= 7; i++) { | |
7b5cd5fe | 1361 | dev_dbg(&sisusb->sisusb_dev->dev, "sisusb: rwtest %d bytes\n", i); |
1bbb4f20 TW |
1362 | sisusb_read_memory(sisusb, destbuffer, sisusb->vrambase, i, &dummy); |
1363 | for(j = 0; j < i; j++) { | |
7b5cd5fe | 1364 | dev_dbg(&sisusb->sisusb_dev->dev, "rwtest read[%d] = %x\n", j, destbuffer[j]); |
1bbb4f20 TW |
1365 | } |
1366 | } | |
1367 | } | |
1368 | #endif | |
1369 | ||
1da177e4 LT |
1370 | /* access pci config registers (reg numbers 0, 4, 8, etc) */ |
1371 | ||
1372 | static int | |
1373 | sisusb_write_pci_config(struct sisusb_usb_data *sisusb, int regnum, u32 data) | |
1374 | { | |
1375 | struct sisusb_packet packet; | |
1376 | int ret; | |
1377 | ||
1378 | packet.header = 0x008f; | |
1379 | packet.address = regnum | 0x10000; | |
1380 | packet.data = data; | |
1381 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
1382 | return ret; | |
1383 | } | |
1384 | ||
1385 | static int | |
1386 | sisusb_read_pci_config(struct sisusb_usb_data *sisusb, int regnum, u32 *data) | |
1387 | { | |
1388 | struct sisusb_packet packet; | |
1389 | int ret; | |
1390 | ||
1391 | packet.header = 0x008f; | |
1392 | packet.address = (u32)regnum | 0x10000; | |
1393 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1394 | *data = packet.data; | |
1395 | return ret; | |
1396 | } | |
1397 | ||
1398 | /* Clear video RAM */ | |
1399 | ||
1400 | static int | |
1401 | sisusb_clear_vram(struct sisusb_usb_data *sisusb, u32 address, int length) | |
1402 | { | |
1403 | int ret, i; | |
1404 | ssize_t j; | |
1405 | ||
1406 | if (address < sisusb->vrambase) | |
1407 | return 1; | |
1408 | ||
1409 | if (address >= sisusb->vrambase + sisusb->vramsize) | |
1410 | return 1; | |
1411 | ||
1412 | if (address + length > sisusb->vrambase + sisusb->vramsize) | |
1413 | length = sisusb->vrambase + sisusb->vramsize - address; | |
1414 | ||
1415 | if (length <= 0) | |
1416 | return 0; | |
1417 | ||
1418 | /* allocate free buffer/urb and clear the buffer */ | |
1419 | if ((i = sisusb_alloc_outbuf(sisusb)) < 0) | |
1420 | return -EBUSY; | |
1421 | ||
1422 | memset(sisusb->obuf[i], 0, sisusb->obufsize); | |
1423 | ||
1424 | /* We can write a length > buffer size here. The buffer | |
1425 | * data will simply be re-used (like a ring-buffer). | |
1426 | */ | |
1427 | ret = sisusb_write_mem_bulk(sisusb, address, NULL, length, NULL, i, &j); | |
1428 | ||
1429 | /* Free the buffer/urb */ | |
1430 | sisusb_free_outbuf(sisusb, i); | |
1431 | ||
1432 | return ret; | |
1433 | } | |
1434 | ||
1435 | /* Initialize the graphics core (return 0 on success) | |
1436 | * This resets the graphics hardware and puts it into | |
1437 | * a defined mode (640x480@60Hz) | |
1438 | */ | |
1439 | ||
1440 | #define GETREG(r,d) sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, r, d) | |
1441 | #define SETREG(r,d) sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, r, d) | |
1442 | #define SETIREG(r,i,d) sisusb_setidxreg(sisusb, r, i, d) | |
1443 | #define GETIREG(r,i,d) sisusb_getidxreg(sisusb, r, i, d) | |
1444 | #define SETIREGOR(r,i,o) sisusb_setidxregor(sisusb, r, i, o) | |
1445 | #define SETIREGAND(r,i,a) sisusb_setidxregand(sisusb, r, i, a) | |
1446 | #define SETIREGANDOR(r,i,a,o) sisusb_setidxregandor(sisusb, r, i, a, o) | |
1447 | #define READL(a,d) sisusb_read_memio_long(sisusb, SISUSB_TYPE_MEM, a, d) | |
ed86d970 | 1448 | #define WRITEL(a,d) sisusb_write_memio_long(sisusb, SISUSB_TYPE_MEM, a, d) |
1da177e4 | 1449 | #define READB(a,d) sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, a, d) |
ed86d970 | 1450 | #define WRITEB(a,d) sisusb_write_memio_byte(sisusb, SISUSB_TYPE_MEM, a, d) |
1da177e4 LT |
1451 | |
1452 | static int | |
1453 | sisusb_triggersr16(struct sisusb_usb_data *sisusb, u8 ramtype) | |
1454 | { | |
1455 | int ret; | |
1456 | u8 tmp8; | |
1457 | ||
1458 | ret = GETIREG(SISSR, 0x16, &tmp8); | |
1459 | if (ramtype <= 1) { | |
1460 | tmp8 &= 0x3f; | |
1461 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1462 | tmp8 |= 0x80; | |
1463 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1464 | } else { | |
1465 | tmp8 |= 0xc0; | |
1466 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1467 | tmp8 &= 0x0f; | |
1468 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1469 | tmp8 |= 0x80; | |
1470 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1471 | tmp8 &= 0x0f; | |
1472 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1473 | tmp8 |= 0xd0; | |
1474 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1475 | tmp8 &= 0x0f; | |
1476 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1477 | tmp8 |= 0xa0; | |
1478 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1479 | } | |
1480 | return ret; | |
1481 | } | |
1482 | ||
1483 | static int | |
1484 | sisusb_getbuswidth(struct sisusb_usb_data *sisusb, int *bw, int *chab) | |
1485 | { | |
1486 | int ret; | |
1487 | u8 ramtype, done = 0; | |
1488 | u32 t0, t1, t2, t3; | |
1489 | u32 ramptr = SISUSB_PCI_MEMBASE; | |
1490 | ||
1491 | ret = GETIREG(SISSR, 0x3a, &ramtype); | |
1492 | ramtype &= 3; | |
1493 | ||
1494 | ret |= SETIREG(SISSR, 0x13, 0x00); | |
1495 | ||
1496 | if (ramtype <= 1) { | |
1497 | ret |= SETIREG(SISSR, 0x14, 0x12); | |
1498 | ret |= SETIREGAND(SISSR, 0x15, 0xef); | |
1499 | } else { | |
1500 | ret |= SETIREG(SISSR, 0x14, 0x02); | |
1501 | } | |
1502 | ||
1503 | ret |= sisusb_triggersr16(sisusb, ramtype); | |
1504 | ret |= WRITEL(ramptr + 0, 0x01234567); | |
1505 | ret |= WRITEL(ramptr + 4, 0x456789ab); | |
1506 | ret |= WRITEL(ramptr + 8, 0x89abcdef); | |
1507 | ret |= WRITEL(ramptr + 12, 0xcdef0123); | |
1508 | ret |= WRITEL(ramptr + 16, 0x55555555); | |
1509 | ret |= WRITEL(ramptr + 20, 0x55555555); | |
1510 | ret |= WRITEL(ramptr + 24, 0xffffffff); | |
1511 | ret |= WRITEL(ramptr + 28, 0xffffffff); | |
1512 | ret |= READL(ramptr + 0, &t0); | |
1513 | ret |= READL(ramptr + 4, &t1); | |
1514 | ret |= READL(ramptr + 8, &t2); | |
1515 | ret |= READL(ramptr + 12, &t3); | |
1516 | ||
1517 | if (ramtype <= 1) { | |
1518 | ||
1519 | *chab = 0; *bw = 64; | |
1520 | ||
1521 | if ((t3 != 0xcdef0123) || (t2 != 0x89abcdef)) { | |
1522 | if ((t1 == 0x456789ab) && (t0 == 0x01234567)) { | |
1523 | *chab = 0; *bw = 64; | |
1524 | ret |= SETIREGAND(SISSR, 0x14, 0xfd); | |
1525 | } | |
1526 | } | |
1527 | if ((t1 != 0x456789ab) || (t0 != 0x01234567)) { | |
1528 | *chab = 1; *bw = 64; | |
1529 | ret |= SETIREGANDOR(SISSR, 0x14, 0xfc,0x01); | |
1530 | ||
1531 | ret |= sisusb_triggersr16(sisusb, ramtype); | |
1532 | ret |= WRITEL(ramptr + 0, 0x89abcdef); | |
1533 | ret |= WRITEL(ramptr + 4, 0xcdef0123); | |
1534 | ret |= WRITEL(ramptr + 8, 0x55555555); | |
1535 | ret |= WRITEL(ramptr + 12, 0x55555555); | |
1536 | ret |= WRITEL(ramptr + 16, 0xaaaaaaaa); | |
1537 | ret |= WRITEL(ramptr + 20, 0xaaaaaaaa); | |
1538 | ret |= READL(ramptr + 4, &t1); | |
1539 | ||
1540 | if (t1 != 0xcdef0123) { | |
1541 | *bw = 32; | |
1542 | ret |= SETIREGOR(SISSR, 0x15, 0x10); | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | } else { | |
1547 | ||
1548 | *chab = 0; *bw = 64; /* default: cha, bw = 64 */ | |
1549 | ||
1550 | done = 0; | |
1551 | ||
1552 | if (t1 == 0x456789ab) { | |
1553 | if (t0 == 0x01234567) { | |
1554 | *chab = 0; *bw = 64; | |
1555 | done = 1; | |
1556 | } | |
1557 | } else { | |
1558 | if (t0 == 0x01234567) { | |
1559 | *chab = 0; *bw = 32; | |
1560 | ret |= SETIREG(SISSR, 0x14, 0x00); | |
1561 | done = 1; | |
1562 | } | |
1563 | } | |
1564 | ||
1565 | if (!done) { | |
1566 | ret |= SETIREG(SISSR, 0x14, 0x03); | |
1567 | ret |= sisusb_triggersr16(sisusb, ramtype); | |
1568 | ||
1569 | ret |= WRITEL(ramptr + 0, 0x01234567); | |
1570 | ret |= WRITEL(ramptr + 4, 0x456789ab); | |
1571 | ret |= WRITEL(ramptr + 8, 0x89abcdef); | |
1572 | ret |= WRITEL(ramptr + 12, 0xcdef0123); | |
1573 | ret |= WRITEL(ramptr + 16, 0x55555555); | |
1574 | ret |= WRITEL(ramptr + 20, 0x55555555); | |
1575 | ret |= WRITEL(ramptr + 24, 0xffffffff); | |
1576 | ret |= WRITEL(ramptr + 28, 0xffffffff); | |
1577 | ret |= READL(ramptr + 0, &t0); | |
1578 | ret |= READL(ramptr + 4, &t1); | |
1579 | ||
1580 | if (t1 == 0x456789ab) { | |
1581 | if (t0 == 0x01234567) { | |
1582 | *chab = 1; *bw = 64; | |
1583 | return ret; | |
1584 | } /* else error */ | |
1585 | } else { | |
1586 | if (t0 == 0x01234567) { | |
1587 | *chab = 1; *bw = 32; | |
1588 | ret |= SETIREG(SISSR, 0x14, 0x01); | |
1589 | } /* else error */ | |
1590 | } | |
1591 | } | |
1592 | } | |
1593 | return ret; | |
1594 | } | |
1595 | ||
1596 | static int | |
1597 | sisusb_verify_mclk(struct sisusb_usb_data *sisusb) | |
1598 | { | |
1599 | int ret = 0; | |
1600 | u32 ramptr = SISUSB_PCI_MEMBASE; | |
1601 | u8 tmp1, tmp2, i, j; | |
1602 | ||
1603 | ret |= WRITEB(ramptr, 0xaa); | |
1604 | ret |= WRITEB(ramptr + 16, 0x55); | |
1605 | ret |= READB(ramptr, &tmp1); | |
1606 | ret |= READB(ramptr + 16, &tmp2); | |
1607 | if ((tmp1 != 0xaa) || (tmp2 != 0x55)) { | |
1608 | for (i = 0, j = 16; i < 2; i++, j += 16) { | |
1609 | ret |= GETIREG(SISSR, 0x21, &tmp1); | |
1610 | ret |= SETIREGAND(SISSR, 0x21, (tmp1 & 0xfb)); | |
1611 | ret |= SETIREGOR(SISSR, 0x3c, 0x01); /* not on 330 */ | |
1612 | ret |= SETIREGAND(SISSR, 0x3c, 0xfe); /* not on 330 */ | |
1613 | ret |= SETIREG(SISSR, 0x21, tmp1); | |
1614 | ret |= WRITEB(ramptr + 16 + j, j); | |
1615 | ret |= READB(ramptr + 16 + j, &tmp1); | |
1616 | if (tmp1 == j) { | |
1617 | ret |= WRITEB(ramptr + j, j); | |
1618 | break; | |
1619 | } | |
1620 | } | |
1621 | } | |
1622 | return ret; | |
1623 | } | |
1624 | ||
1625 | static int | |
1626 | sisusb_set_rank(struct sisusb_usb_data *sisusb, int *iret, int index, | |
1627 | u8 rankno, u8 chab, const u8 dramtype[][5], | |
1628 | int bw) | |
1629 | { | |
1630 | int ret = 0, ranksize; | |
1631 | u8 tmp; | |
1632 | ||
1633 | *iret = 0; | |
1634 | ||
1635 | if ((rankno == 2) && (dramtype[index][0] == 2)) | |
1636 | return ret; | |
1637 | ||
1638 | ranksize = dramtype[index][3] / 2 * bw / 32; | |
1639 | ||
1640 | if ((ranksize * rankno) > 128) | |
1641 | return ret; | |
1642 | ||
1643 | tmp = 0; | |
1644 | while ((ranksize >>= 1) > 0) tmp += 0x10; | |
1645 | tmp |= ((rankno - 1) << 2); | |
1646 | tmp |= ((bw / 64) & 0x02); | |
1647 | tmp |= (chab & 0x01); | |
1648 | ||
1649 | ret = SETIREG(SISSR, 0x14, tmp); | |
1650 | ret |= sisusb_triggersr16(sisusb, 0); /* sic! */ | |
1651 | ||
1652 | *iret = 1; | |
1653 | ||
1654 | return ret; | |
1655 | } | |
1656 | ||
1657 | static int | |
1658 | sisusb_check_rbc(struct sisusb_usb_data *sisusb, int *iret, u32 inc, int testn) | |
1659 | { | |
1660 | int ret = 0, i; | |
1661 | u32 j, tmp; | |
1662 | ||
1663 | *iret = 0; | |
1664 | ||
1665 | for (i = 0, j = 0; i < testn; i++) { | |
1666 | ret |= WRITEL(sisusb->vrambase + j, j); | |
1667 | j += inc; | |
1668 | } | |
1669 | ||
1670 | for (i = 0, j = 0; i < testn; i++) { | |
1671 | ret |= READL(sisusb->vrambase + j, &tmp); | |
1672 | if (tmp != j) return ret; | |
1673 | j += inc; | |
1674 | } | |
1675 | ||
1676 | *iret = 1; | |
1677 | return ret; | |
1678 | } | |
1679 | ||
1680 | static int | |
1681 | sisusb_check_ranks(struct sisusb_usb_data *sisusb, int *iret, int rankno, | |
1682 | int idx, int bw, const u8 rtype[][5]) | |
1683 | { | |
1684 | int ret = 0, i, i2ret; | |
1685 | u32 inc; | |
1686 | ||
1687 | *iret = 0; | |
1688 | ||
1689 | for (i = rankno; i >= 1; i--) { | |
1690 | inc = 1 << (rtype[idx][2] + | |
1691 | rtype[idx][1] + | |
1692 | rtype[idx][0] + | |
1693 | bw / 64 + i); | |
1694 | ret |= sisusb_check_rbc(sisusb, &i2ret, inc, 2); | |
1695 | if (!i2ret) | |
1696 | return ret; | |
1697 | } | |
1698 | ||
1699 | inc = 1 << (rtype[idx][2] + bw / 64 + 2); | |
1700 | ret |= sisusb_check_rbc(sisusb, &i2ret, inc, 4); | |
1701 | if (!i2ret) | |
1702 | return ret; | |
1703 | ||
1704 | inc = 1 << (10 + bw / 64); | |
1705 | ret |= sisusb_check_rbc(sisusb, &i2ret, inc, 2); | |
1706 | if (!i2ret) | |
1707 | return ret; | |
1708 | ||
1709 | *iret = 1; | |
1710 | return ret; | |
1711 | } | |
1712 | ||
1713 | static int | |
1714 | sisusb_get_sdram_size(struct sisusb_usb_data *sisusb, int *iret, int bw, | |
1715 | int chab) | |
1716 | { | |
1717 | int ret = 0, i2ret = 0, i, j; | |
1718 | static const u8 sdramtype[13][5] = { | |
1719 | { 2, 12, 9, 64, 0x35 }, | |
1720 | { 1, 13, 9, 64, 0x44 }, | |
1721 | { 2, 12, 8, 32, 0x31 }, | |
1722 | { 2, 11, 9, 32, 0x25 }, | |
1723 | { 1, 12, 9, 32, 0x34 }, | |
1724 | { 1, 13, 8, 32, 0x40 }, | |
1725 | { 2, 11, 8, 16, 0x21 }, | |
1726 | { 1, 12, 8, 16, 0x30 }, | |
1727 | { 1, 11, 9, 16, 0x24 }, | |
1728 | { 1, 11, 8, 8, 0x20 }, | |
1729 | { 2, 9, 8, 4, 0x01 }, | |
1730 | { 1, 10, 8, 4, 0x10 }, | |
1731 | { 1, 9, 8, 2, 0x00 } | |
1732 | }; | |
1733 | ||
1734 | *iret = 1; /* error */ | |
1735 | ||
1736 | for (i = 0; i < 13; i++) { | |
1737 | ret |= SETIREGANDOR(SISSR, 0x13, 0x80, sdramtype[i][4]); | |
1738 | for (j = 2; j > 0; j--) { | |
1739 | ret |= sisusb_set_rank(sisusb, &i2ret, i, j, | |
1740 | chab, sdramtype, bw); | |
1741 | if (!i2ret) | |
1742 | continue; | |
1743 | ||
1744 | ret |= sisusb_check_ranks(sisusb, &i2ret, j, i, | |
1745 | bw, sdramtype); | |
1746 | if (i2ret) { | |
1747 | *iret = 0; /* ram size found */ | |
1748 | return ret; | |
1749 | } | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | return ret; | |
1754 | } | |
1755 | ||
1756 | static int | |
1757 | sisusb_setup_screen(struct sisusb_usb_data *sisusb, int clrall, int drwfr) | |
1758 | { | |
1759 | int ret = 0; | |
1760 | u32 address; | |
1761 | int i, length, modex, modey, bpp; | |
1762 | ||
1763 | modex = 640; modey = 480; bpp = 2; | |
1764 | ||
1765 | address = sisusb->vrambase; /* Clear video ram */ | |
1766 | ||
1767 | if (clrall) | |
1768 | length = sisusb->vramsize; | |
1769 | else | |
1770 | length = modex * bpp * modey; | |
1771 | ||
1772 | ret = sisusb_clear_vram(sisusb, address, length); | |
1773 | ||
1774 | if (!ret && drwfr) { | |
1775 | for (i = 0; i < modex; i++) { | |
1776 | address = sisusb->vrambase + (i * bpp); | |
1777 | ret |= sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, | |
1778 | address, 0xf100); | |
1779 | address += (modex * (modey-1) * bpp); | |
1780 | ret |= sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, | |
1781 | address, 0xf100); | |
1782 | } | |
1783 | for (i = 0; i < modey; i++) { | |
1784 | address = sisusb->vrambase + ((i * modex) * bpp); | |
1785 | ret |= sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, | |
1786 | address, 0xf100); | |
1787 | address += ((modex - 1) * bpp); | |
1788 | ret |= sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, | |
1789 | address, 0xf100); | |
1790 | } | |
1791 | } | |
1792 | ||
1793 | return ret; | |
1794 | } | |
1795 | ||
1796 | static int | |
1797 | sisusb_set_default_mode(struct sisusb_usb_data *sisusb, int touchengines) | |
1798 | { | |
1799 | int ret = 0, i, j, modex, modey, bpp, du; | |
1800 | u8 sr31, cr63, tmp8; | |
1801 | static const char attrdata[] = { | |
1802 | 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07, | |
1803 | 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f, | |
1804 | 0x01,0x00,0x00,0x00 | |
1805 | }; | |
1806 | static const char crtcrdata[] = { | |
1807 | 0x5f,0x4f,0x50,0x82,0x54,0x80,0x0b,0x3e, | |
1808 | 0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00, | |
1809 | 0xea,0x8c,0xdf,0x28,0x40,0xe7,0x04,0xa3, | |
1810 | 0xff | |
1811 | }; | |
1812 | static const char grcdata[] = { | |
1813 | 0x00,0x00,0x00,0x00,0x00,0x40,0x05,0x0f, | |
1814 | 0xff | |
1815 | }; | |
1816 | static const char crtcdata[] = { | |
1817 | 0x5f,0x4f,0x4f,0x83,0x55,0x81,0x0b,0x3e, | |
1818 | 0xe9,0x8b,0xdf,0xe8,0x0c,0x00,0x00,0x05, | |
1819 | 0x00 | |
1820 | }; | |
1821 | ||
1822 | modex = 640; modey = 480; bpp = 2; | |
1823 | ||
1824 | GETIREG(SISSR, 0x31, &sr31); | |
1825 | GETIREG(SISCR, 0x63, &cr63); | |
1826 | SETIREGOR(SISSR, 0x01, 0x20); | |
1827 | SETIREG(SISCR, 0x63, cr63 & 0xbf); | |
1828 | SETIREGOR(SISCR, 0x17, 0x80); | |
1829 | SETIREGOR(SISSR, 0x1f, 0x04); | |
1830 | SETIREGAND(SISSR, 0x07, 0xfb); | |
1831 | SETIREG(SISSR, 0x00, 0x03); /* seq */ | |
1832 | SETIREG(SISSR, 0x01, 0x21); | |
1833 | SETIREG(SISSR, 0x02, 0x0f); | |
1834 | SETIREG(SISSR, 0x03, 0x00); | |
1835 | SETIREG(SISSR, 0x04, 0x0e); | |
1836 | SETREG(SISMISCW, 0x23); /* misc */ | |
1837 | for (i = 0; i <= 0x18; i++) { /* crtc */ | |
1838 | SETIREG(SISCR, i, crtcrdata[i]); | |
1839 | } | |
1840 | for (i = 0; i <= 0x13; i++) { /* att */ | |
1841 | GETREG(SISINPSTAT, &tmp8); | |
1842 | SETREG(SISAR, i); | |
1843 | SETREG(SISAR, attrdata[i]); | |
1844 | } | |
1845 | GETREG(SISINPSTAT, &tmp8); | |
1846 | SETREG(SISAR, 0x14); | |
1847 | SETREG(SISAR, 0x00); | |
1848 | GETREG(SISINPSTAT, &tmp8); | |
1849 | SETREG(SISAR, 0x20); | |
1850 | GETREG(SISINPSTAT, &tmp8); | |
1851 | for (i = 0; i <= 0x08; i++) { /* grc */ | |
1852 | SETIREG(SISGR, i, grcdata[i]); | |
1853 | } | |
1854 | SETIREGAND(SISGR, 0x05, 0xbf); | |
1855 | for (i = 0x0A; i <= 0x0E; i++) { /* clr ext */ | |
1856 | SETIREG(SISSR, i, 0x00); | |
1857 | } | |
1858 | SETIREGAND(SISSR, 0x37, 0xfe); | |
1859 | SETREG(SISMISCW, 0xef); /* sync */ | |
1860 | SETIREG(SISCR, 0x11, 0x00); /* crtc */ | |
1861 | for (j = 0x00, i = 0; i <= 7; i++, j++) { | |
1862 | SETIREG(SISCR, j, crtcdata[i]); | |
1863 | } | |
1864 | for (j = 0x10; i <= 10; i++, j++) { | |
1865 | SETIREG(SISCR, j, crtcdata[i]); | |
1866 | } | |
1867 | for (j = 0x15; i <= 12; i++, j++) { | |
1868 | SETIREG(SISCR, j, crtcdata[i]); | |
1869 | } | |
1870 | for (j = 0x0A; i <= 15; i++, j++) { | |
1871 | SETIREG(SISSR, j, crtcdata[i]); | |
1872 | } | |
1873 | SETIREG(SISSR, 0x0E, (crtcdata[16] & 0xE0)); | |
1874 | SETIREGANDOR(SISCR, 0x09, 0x5f, ((crtcdata[16] & 0x01) << 5)); | |
1875 | SETIREG(SISCR, 0x14, 0x4f); | |
1876 | du = (modex / 16) * (bpp * 2); /* offset/pitch */ | |
1877 | if (modex % 16) du += bpp; | |
1878 | SETIREGANDOR(SISSR, 0x0e, 0xf0, ((du >> 8) & 0x0f)); | |
1879 | SETIREG(SISCR, 0x13, (du & 0xff)); | |
1880 | du <<= 5; | |
1881 | tmp8 = du >> 8; | |
1882 | if (du & 0xff) tmp8++; | |
1883 | SETIREG(SISSR, 0x10, tmp8); | |
1884 | SETIREG(SISSR, 0x31, 0x00); /* VCLK */ | |
1885 | SETIREG(SISSR, 0x2b, 0x1b); | |
1886 | SETIREG(SISSR, 0x2c, 0xe1); | |
1887 | SETIREG(SISSR, 0x2d, 0x01); | |
1888 | SETIREGAND(SISSR, 0x3d, 0xfe); /* FIFO */ | |
1889 | SETIREG(SISSR, 0x08, 0xae); | |
1890 | SETIREGAND(SISSR, 0x09, 0xf0); | |
1891 | SETIREG(SISSR, 0x08, 0x34); | |
1892 | SETIREGOR(SISSR, 0x3d, 0x01); | |
1893 | SETIREGAND(SISSR, 0x1f, 0x3f); /* mode regs */ | |
1894 | SETIREGANDOR(SISSR, 0x06, 0xc0, 0x0a); | |
1895 | SETIREG(SISCR, 0x19, 0x00); | |
1896 | SETIREGAND(SISCR, 0x1a, 0xfc); | |
1897 | SETIREGAND(SISSR, 0x0f, 0xb7); | |
1898 | SETIREGAND(SISSR, 0x31, 0xfb); | |
1899 | SETIREGANDOR(SISSR, 0x21, 0x1f, 0xa0); | |
1900 | SETIREGAND(SISSR, 0x32, 0xf3); | |
1901 | SETIREGANDOR(SISSR, 0x07, 0xf8, 0x03); | |
1902 | SETIREG(SISCR, 0x52, 0x6c); | |
1903 | ||
1904 | SETIREG(SISCR, 0x0d, 0x00); /* adjust frame */ | |
1905 | SETIREG(SISCR, 0x0c, 0x00); | |
1906 | SETIREG(SISSR, 0x0d, 0x00); | |
1907 | SETIREGAND(SISSR, 0x37, 0xfe); | |
1908 | ||
1909 | SETIREG(SISCR, 0x32, 0x20); | |
1910 | SETIREGAND(SISSR, 0x01, 0xdf); /* enable display */ | |
1911 | SETIREG(SISCR, 0x63, (cr63 & 0xbf)); | |
1912 | SETIREG(SISSR, 0x31, (sr31 & 0xfb)); | |
1913 | ||
1914 | if (touchengines) { | |
1915 | SETIREG(SISSR, 0x20, 0xa1); /* enable engines */ | |
1916 | SETIREGOR(SISSR, 0x1e, 0x5a); | |
1917 | ||
1918 | SETIREG(SISSR, 0x26, 0x01); /* disable cmdqueue */ | |
1919 | SETIREG(SISSR, 0x27, 0x1f); | |
1920 | SETIREG(SISSR, 0x26, 0x00); | |
1921 | } | |
1922 | ||
ed86d970 | 1923 | SETIREG(SISCR, 0x34, 0x44); /* we just set std mode #44 */ |
1da177e4 LT |
1924 | |
1925 | return ret; | |
1926 | } | |
1927 | ||
1928 | static int | |
1929 | sisusb_init_gfxcore(struct sisusb_usb_data *sisusb) | |
1930 | { | |
1931 | int ret = 0, i, j, bw, chab, iret, retry = 3; | |
1932 | u8 tmp8, ramtype; | |
1933 | u32 tmp32; | |
1934 | static const char mclktable[] = { | |
1935 | 0x3b, 0x22, 0x01, 143, | |
1936 | 0x3b, 0x22, 0x01, 143, | |
1937 | 0x3b, 0x22, 0x01, 143, | |
1938 | 0x3b, 0x22, 0x01, 143 | |
1939 | }; | |
1940 | static const char eclktable[] = { | |
1941 | 0x3b, 0x22, 0x01, 143, | |
1942 | 0x3b, 0x22, 0x01, 143, | |
1943 | 0x3b, 0x22, 0x01, 143, | |
1944 | 0x3b, 0x22, 0x01, 143 | |
1945 | }; | |
1946 | static const char ramtypetable1[] = { | |
1947 | 0x00, 0x04, 0x60, 0x60, | |
1948 | 0x0f, 0x0f, 0x1f, 0x1f, | |
1949 | 0xba, 0xba, 0xba, 0xba, | |
1950 | 0xa9, 0xa9, 0xac, 0xac, | |
1951 | 0xa0, 0xa0, 0xa0, 0xa8, | |
1952 | 0x00, 0x00, 0x02, 0x02, | |
1953 | 0x30, 0x30, 0x40, 0x40 | |
1954 | }; | |
1955 | static const char ramtypetable2[] = { | |
1956 | 0x77, 0x77, 0x44, 0x44, | |
1957 | 0x77, 0x77, 0x44, 0x44, | |
1958 | 0x00, 0x00, 0x00, 0x00, | |
1959 | 0x5b, 0x5b, 0xab, 0xab, | |
1960 | 0x00, 0x00, 0xf0, 0xf8 | |
1961 | }; | |
1962 | ||
1963 | while (retry--) { | |
1964 | ||
1965 | /* Enable VGA */ | |
1966 | ret = GETREG(SISVGAEN, &tmp8); | |
1967 | ret |= SETREG(SISVGAEN, (tmp8 | 0x01)); | |
1968 | ||
1969 | /* Enable GPU access to VRAM */ | |
1970 | ret |= GETREG(SISMISCR, &tmp8); | |
1971 | ret |= SETREG(SISMISCW, (tmp8 | 0x01)); | |
1972 | ||
1973 | if (ret) continue; | |
1974 | ||
1975 | /* Reset registers */ | |
1976 | ret |= SETIREGAND(SISCR, 0x5b, 0xdf); | |
1977 | ret |= SETIREG(SISSR, 0x05, 0x86); | |
1978 | ret |= SETIREGOR(SISSR, 0x20, 0x01); | |
1979 | ||
1980 | ret |= SETREG(SISMISCW, 0x67); | |
1981 | ||
1982 | for (i = 0x06; i <= 0x1f; i++) { | |
1983 | ret |= SETIREG(SISSR, i, 0x00); | |
1984 | } | |
1985 | for (i = 0x21; i <= 0x27; i++) { | |
1986 | ret |= SETIREG(SISSR, i, 0x00); | |
1987 | } | |
1988 | for (i = 0x31; i <= 0x3d; i++) { | |
1989 | ret |= SETIREG(SISSR, i, 0x00); | |
1990 | } | |
1991 | for (i = 0x12; i <= 0x1b; i++) { | |
1992 | ret |= SETIREG(SISSR, i, 0x00); | |
1993 | } | |
1994 | for (i = 0x79; i <= 0x7c; i++) { | |
1995 | ret |= SETIREG(SISCR, i, 0x00); | |
1996 | } | |
1997 | ||
1998 | if (ret) continue; | |
1999 | ||
2000 | ret |= SETIREG(SISCR, 0x63, 0x80); | |
2001 | ||
2002 | ret |= GETIREG(SISSR, 0x3a, &ramtype); | |
2003 | ramtype &= 0x03; | |
2004 | ||
2005 | ret |= SETIREG(SISSR, 0x28, mclktable[ramtype * 4]); | |
2006 | ret |= SETIREG(SISSR, 0x29, mclktable[(ramtype * 4) + 1]); | |
2007 | ret |= SETIREG(SISSR, 0x2a, mclktable[(ramtype * 4) + 2]); | |
2008 | ||
2009 | ret |= SETIREG(SISSR, 0x2e, eclktable[ramtype * 4]); | |
2010 | ret |= SETIREG(SISSR, 0x2f, eclktable[(ramtype * 4) + 1]); | |
2011 | ret |= SETIREG(SISSR, 0x30, eclktable[(ramtype * 4) + 2]); | |
2012 | ||
2013 | ret |= SETIREG(SISSR, 0x07, 0x18); | |
2014 | ret |= SETIREG(SISSR, 0x11, 0x0f); | |
2015 | ||
2016 | if (ret) continue; | |
2017 | ||
2018 | for (i = 0x15, j = 0; i <= 0x1b; i++, j++) { | |
2019 | ret |= SETIREG(SISSR, i, ramtypetable1[(j*4) + ramtype]); | |
2020 | } | |
2021 | for (i = 0x40, j = 0; i <= 0x44; i++, j++) { | |
2022 | ret |= SETIREG(SISCR, i, ramtypetable2[(j*4) + ramtype]); | |
2023 | } | |
2024 | ||
2025 | ret |= SETIREG(SISCR, 0x49, 0xaa); | |
2026 | ||
2027 | ret |= SETIREG(SISSR, 0x1f, 0x00); | |
2028 | ret |= SETIREG(SISSR, 0x20, 0xa0); | |
2029 | ret |= SETIREG(SISSR, 0x23, 0xf6); | |
2030 | ret |= SETIREG(SISSR, 0x24, 0x0d); | |
2031 | ret |= SETIREG(SISSR, 0x25, 0x33); | |
2032 | ||
2033 | ret |= SETIREG(SISSR, 0x11, 0x0f); | |
2034 | ||
2035 | ret |= SETIREGOR(SISPART1, 0x2f, 0x01); | |
2036 | ||
2037 | ret |= SETIREGAND(SISCAP, 0x3f, 0xef); | |
2038 | ||
2039 | if (ret) continue; | |
2040 | ||
2041 | ret |= SETIREG(SISPART1, 0x00, 0x00); | |
2042 | ||
2043 | ret |= GETIREG(SISSR, 0x13, &tmp8); | |
2044 | tmp8 >>= 4; | |
2045 | ||
2046 | ret |= SETIREG(SISPART1, 0x02, 0x00); | |
2047 | ret |= SETIREG(SISPART1, 0x2e, 0x08); | |
2048 | ||
2049 | ret |= sisusb_read_pci_config(sisusb, 0x50, &tmp32); | |
2050 | tmp32 &= 0x00f00000; | |
2051 | tmp8 = (tmp32 == 0x100000) ? 0x33 : 0x03; | |
2052 | ret |= SETIREG(SISSR, 0x25, tmp8); | |
2053 | tmp8 = (tmp32 == 0x100000) ? 0xaa : 0x88; | |
2054 | ret |= SETIREG(SISCR, 0x49, tmp8); | |
2055 | ||
2056 | ret |= SETIREG(SISSR, 0x27, 0x1f); | |
2057 | ret |= SETIREG(SISSR, 0x31, 0x00); | |
2058 | ret |= SETIREG(SISSR, 0x32, 0x11); | |
2059 | ret |= SETIREG(SISSR, 0x33, 0x00); | |
2060 | ||
2061 | if (ret) continue; | |
2062 | ||
2063 | ret |= SETIREG(SISCR, 0x83, 0x00); | |
2064 | ||
2065 | ret |= sisusb_set_default_mode(sisusb, 0); | |
2066 | ||
2067 | ret |= SETIREGAND(SISSR, 0x21, 0xdf); | |
2068 | ret |= SETIREGOR(SISSR, 0x01, 0x20); | |
2069 | ret |= SETIREGOR(SISSR, 0x16, 0x0f); | |
2070 | ||
2071 | ret |= sisusb_triggersr16(sisusb, ramtype); | |
2072 | ||
2073 | /* Disable refresh */ | |
2074 | ret |= SETIREGAND(SISSR, 0x17, 0xf8); | |
2075 | ret |= SETIREGOR(SISSR, 0x19, 0x03); | |
2076 | ||
2077 | ret |= sisusb_getbuswidth(sisusb, &bw, &chab); | |
2078 | ret |= sisusb_verify_mclk(sisusb); | |
2079 | ||
2080 | if (ramtype <= 1) { | |
2081 | ret |= sisusb_get_sdram_size(sisusb, &iret, bw, chab); | |
2082 | if (iret) { | |
7b5cd5fe | 2083 | dev_err(&sisusb->sisusb_dev->dev,"RAM size detection failed, assuming 8MB video RAM\n"); |
1da177e4 LT |
2084 | ret |= SETIREG(SISSR,0x14,0x31); |
2085 | /* TODO */ | |
2086 | } | |
2087 | } else { | |
7b5cd5fe | 2088 | dev_err(&sisusb->sisusb_dev->dev, "DDR RAM device found, assuming 8MB video RAM\n"); |
1da177e4 LT |
2089 | ret |= SETIREG(SISSR,0x14,0x31); |
2090 | /* *** TODO *** */ | |
2091 | } | |
2092 | ||
2093 | /* Enable refresh */ | |
2094 | ret |= SETIREG(SISSR, 0x16, ramtypetable1[4 + ramtype]); | |
2095 | ret |= SETIREG(SISSR, 0x17, ramtypetable1[8 + ramtype]); | |
2096 | ret |= SETIREG(SISSR, 0x19, ramtypetable1[16 + ramtype]); | |
2097 | ||
2098 | ret |= SETIREGOR(SISSR, 0x21, 0x20); | |
2099 | ||
2100 | ret |= SETIREG(SISSR, 0x22, 0xfb); | |
2101 | ret |= SETIREG(SISSR, 0x21, 0xa5); | |
2102 | ||
2103 | if (ret == 0) | |
2104 | break; | |
2105 | } | |
2106 | ||
2107 | return ret; | |
2108 | } | |
2109 | ||
2110 | #undef SETREG | |
2111 | #undef GETREG | |
2112 | #undef SETIREG | |
2113 | #undef GETIREG | |
2114 | #undef SETIREGOR | |
2115 | #undef SETIREGAND | |
2116 | #undef SETIREGANDOR | |
2117 | #undef READL | |
2118 | #undef WRITEL | |
2119 | ||
2120 | static void | |
2121 | sisusb_get_ramconfig(struct sisusb_usb_data *sisusb) | |
2122 | { | |
2123 | u8 tmp8, tmp82, ramtype; | |
2124 | int bw = 0; | |
2125 | char *ramtypetext1 = NULL; | |
2126 | const char *ramtypetext2[] = { "SDR SDRAM", "SDR SGRAM", | |
2127 | "DDR SDRAM", "DDR SGRAM" }; | |
2128 | static const int busSDR[4] = {64, 64, 128, 128}; | |
2129 | static const int busDDR[4] = {32, 32, 64, 64}; | |
2130 | static const int busDDRA[4] = {64+32, 64+32 , (64+32)*2, (64+32)*2}; | |
2131 | ||
2132 | sisusb_getidxreg(sisusb, SISSR, 0x14, &tmp8); | |
2133 | sisusb_getidxreg(sisusb, SISSR, 0x15, &tmp82); | |
2134 | sisusb_getidxreg(sisusb, SISSR, 0x3a, &ramtype); | |
2135 | sisusb->vramsize = (1 << ((tmp8 & 0xf0) >> 4)) * 1024 * 1024; | |
2136 | ramtype &= 0x03; | |
2137 | switch ((tmp8 >> 2) & 0x03) { | |
2138 | case 0: ramtypetext1 = "1 ch/1 r"; | |
2139 | if (tmp82 & 0x10) { | |
2140 | bw = 32; | |
2141 | } else { | |
2142 | bw = busSDR[(tmp8 & 0x03)]; | |
2143 | } | |
2144 | break; | |
2145 | case 1: ramtypetext1 = "1 ch/2 r"; | |
2146 | sisusb->vramsize <<= 1; | |
2147 | bw = busSDR[(tmp8 & 0x03)]; | |
2148 | break; | |
2149 | case 2: ramtypetext1 = "asymmeric"; | |
2150 | sisusb->vramsize += sisusb->vramsize/2; | |
2151 | bw = busDDRA[(tmp8 & 0x03)]; | |
2152 | break; | |
2153 | case 3: ramtypetext1 = "2 channel"; | |
2154 | sisusb->vramsize <<= 1; | |
2155 | bw = busDDR[(tmp8 & 0x03)]; | |
2156 | break; | |
2157 | } | |
2158 | ||
7b5cd5fe | 2159 | dev_info(&sisusb->sisusb_dev->dev, "%dMB %s %s, bus width %d\n", (sisusb->vramsize >> 20), ramtypetext1, |
1da177e4 LT |
2160 | ramtypetext2[ramtype], bw); |
2161 | } | |
2162 | ||
2163 | static int | |
2164 | sisusb_do_init_gfxdevice(struct sisusb_usb_data *sisusb) | |
2165 | { | |
2166 | struct sisusb_packet packet; | |
2167 | int ret; | |
2168 | u32 tmp32; | |
2169 | ||
2170 | /* Do some magic */ | |
2171 | packet.header = 0x001f; | |
2172 | packet.address = 0x00000324; | |
2173 | packet.data = 0x00000004; | |
2174 | ret = sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2175 | ||
2176 | packet.header = 0x001f; | |
2177 | packet.address = 0x00000364; | |
2178 | packet.data = 0x00000004; | |
2179 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2180 | ||
2181 | packet.header = 0x001f; | |
2182 | packet.address = 0x00000384; | |
2183 | packet.data = 0x00000004; | |
2184 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2185 | ||
2186 | packet.header = 0x001f; | |
2187 | packet.address = 0x00000100; | |
2188 | packet.data = 0x00000700; | |
2189 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2190 | ||
2191 | packet.header = 0x000f; | |
2192 | packet.address = 0x00000004; | |
2193 | ret |= sisusb_send_bridge_packet(sisusb, 6, &packet, 0); | |
2194 | packet.data |= 0x17; | |
2195 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2196 | ||
2197 | /* Init BAR 0 (VRAM) */ | |
2198 | ret |= sisusb_read_pci_config(sisusb, 0x10, &tmp32); | |
2199 | ret |= sisusb_write_pci_config(sisusb, 0x10, 0xfffffff0); | |
2200 | ret |= sisusb_read_pci_config(sisusb, 0x10, &tmp32); | |
2201 | tmp32 &= 0x0f; | |
2202 | tmp32 |= SISUSB_PCI_MEMBASE; | |
2203 | ret |= sisusb_write_pci_config(sisusb, 0x10, tmp32); | |
2204 | ||
2205 | /* Init BAR 1 (MMIO) */ | |
2206 | ret |= sisusb_read_pci_config(sisusb, 0x14, &tmp32); | |
2207 | ret |= sisusb_write_pci_config(sisusb, 0x14, 0xfffffff0); | |
2208 | ret |= sisusb_read_pci_config(sisusb, 0x14, &tmp32); | |
2209 | tmp32 &= 0x0f; | |
2210 | tmp32 |= SISUSB_PCI_MMIOBASE; | |
2211 | ret |= sisusb_write_pci_config(sisusb, 0x14, tmp32); | |
2212 | ||
2213 | /* Init BAR 2 (i/o ports) */ | |
2214 | ret |= sisusb_read_pci_config(sisusb, 0x18, &tmp32); | |
2215 | ret |= sisusb_write_pci_config(sisusb, 0x18, 0xfffffff0); | |
2216 | ret |= sisusb_read_pci_config(sisusb, 0x18, &tmp32); | |
2217 | tmp32 &= 0x0f; | |
2218 | tmp32 |= SISUSB_PCI_IOPORTBASE; | |
2219 | ret |= sisusb_write_pci_config(sisusb, 0x18, tmp32); | |
2220 | ||
2221 | /* Enable memory and i/o access */ | |
2222 | ret |= sisusb_read_pci_config(sisusb, 0x04, &tmp32); | |
2223 | tmp32 |= 0x3; | |
2224 | ret |= sisusb_write_pci_config(sisusb, 0x04, tmp32); | |
2225 | ||
2226 | if (ret == 0) { | |
2227 | /* Some further magic */ | |
2228 | packet.header = 0x001f; | |
2229 | packet.address = 0x00000050; | |
2230 | packet.data = 0x000000ff; | |
2231 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2232 | } | |
2233 | ||
2234 | return ret; | |
2235 | } | |
2236 | ||
2237 | /* Initialize the graphics device (return 0 on success) | |
2238 | * This initializes the net2280 as well as the PCI registers | |
2239 | * of the graphics board. | |
2240 | */ | |
2241 | ||
2242 | static int | |
2243 | sisusb_init_gfxdevice(struct sisusb_usb_data *sisusb, int initscreen) | |
2244 | { | |
2245 | int ret = 0, test = 0; | |
2246 | u32 tmp32; | |
2247 | ||
2248 | if (sisusb->devinit == 1) { | |
2249 | /* Read PCI BARs and see if they have been set up */ | |
2250 | ret |= sisusb_read_pci_config(sisusb, 0x10, &tmp32); | |
2251 | if (ret) return ret; | |
2252 | if ((tmp32 & 0xfffffff0) == SISUSB_PCI_MEMBASE) test++; | |
2253 | ||
2254 | ret |= sisusb_read_pci_config(sisusb, 0x14, &tmp32); | |
2255 | if (ret) return ret; | |
2256 | if ((tmp32 & 0xfffffff0) == SISUSB_PCI_MMIOBASE) test++; | |
2257 | ||
2258 | ret |= sisusb_read_pci_config(sisusb, 0x18, &tmp32); | |
2259 | if (ret) return ret; | |
2260 | if ((tmp32 & 0xfffffff0) == SISUSB_PCI_IOPORTBASE) test++; | |
2261 | } | |
2262 | ||
2263 | /* No? So reset the device */ | |
2264 | if ((sisusb->devinit == 0) || (test != 3)) { | |
2265 | ||
2266 | ret |= sisusb_do_init_gfxdevice(sisusb); | |
2267 | ||
2268 | if (ret == 0) | |
2269 | sisusb->devinit = 1; | |
2270 | ||
2271 | } | |
2272 | ||
2273 | if (sisusb->devinit) { | |
2274 | /* Initialize the graphics core */ | |
2275 | if (sisusb_init_gfxcore(sisusb) == 0) { | |
2276 | sisusb->gfxinit = 1; | |
2277 | sisusb_get_ramconfig(sisusb); | |
2278 | ret |= sisusb_set_default_mode(sisusb, 1); | |
2279 | ret |= sisusb_setup_screen(sisusb, 1, initscreen); | |
2280 | } | |
2281 | } | |
2282 | ||
2283 | return ret; | |
2284 | } | |
2285 | ||
1bbb4f20 TW |
2286 | |
2287 | #ifdef INCL_SISUSB_CON | |
2288 | ||
2289 | /* Set up default text mode: | |
2290 | - Set text mode (0x03) | |
2291 | - Upload default font | |
2292 | - Upload user font (if available) | |
2293 | */ | |
2294 | ||
2295 | int | |
2296 | sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init) | |
2297 | { | |
2298 | int ret = 0, slot = sisusb->font_slot, i; | |
dabb5928 | 2299 | const struct font_desc *myfont; |
1bbb4f20 TW |
2300 | u8 *tempbuf; |
2301 | u16 *tempbufb; | |
2302 | size_t written; | |
4c4c9432 AV |
2303 | static const char bootstring[] = "SiSUSB VGA text console, (C) 2005 Thomas Winischhofer."; |
2304 | static const char bootlogo[] = "(o_ //\\ V_/_"; | |
1bbb4f20 TW |
2305 | |
2306 | /* sisusb->lock is down */ | |
2307 | ||
2308 | if (!sisusb->SiS_Pr) | |
2309 | return 1; | |
2310 | ||
2311 | sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; | |
2312 | sisusb->SiS_Pr->sisusb = (void *)sisusb; | |
2313 | ||
2314 | /* Set mode 0x03 */ | |
2315 | SiSUSBSetMode(sisusb->SiS_Pr, 0x03); | |
2316 | ||
2317 | if (!(myfont = find_font("VGA8x16"))) | |
2318 | return 1; | |
2319 | ||
2320 | if (!(tempbuf = vmalloc(8192))) | |
2321 | return 1; | |
2322 | ||
2323 | for (i = 0; i < 256; i++) | |
2324 | memcpy(tempbuf + (i * 32), myfont->data + (i * 16), 16); | |
2325 | ||
2326 | /* Upload default font */ | |
2327 | ret = sisusbcon_do_font_op(sisusb, 1, 0, tempbuf, 8192, 0, 1, NULL, 16, 0); | |
2328 | ||
2329 | vfree(tempbuf); | |
2330 | ||
2331 | /* Upload user font (and reset current slot) */ | |
2332 | if (sisusb->font_backup) { | |
2333 | ret |= sisusbcon_do_font_op(sisusb, 1, 2, sisusb->font_backup, | |
2334 | 8192, sisusb->font_backup_512, 1, NULL, | |
2335 | sisusb->font_backup_height, 0); | |
2336 | if (slot != 2) | |
2337 | sisusbcon_do_font_op(sisusb, 1, 0, NULL, 0, 0, 1, | |
2338 | NULL, 16, 0); | |
2339 | } | |
2340 | ||
2341 | if (init && !sisusb->scrbuf) { | |
2342 | ||
2343 | if ((tempbuf = vmalloc(8192))) { | |
2344 | ||
2345 | i = 4096; | |
2346 | tempbufb = (u16 *)tempbuf; | |
2347 | while (i--) | |
2348 | *(tempbufb++) = 0x0720; | |
2349 | ||
2350 | i = 0; | |
2351 | tempbufb = (u16 *)tempbuf; | |
2352 | while (bootlogo[i]) { | |
2353 | *(tempbufb++) = 0x0700 | bootlogo[i++]; | |
2354 | if (!(i % 4)) | |
2355 | tempbufb += 76; | |
2356 | } | |
2357 | ||
2358 | i = 0; | |
2359 | tempbufb = (u16 *)tempbuf + 6; | |
2360 | while (bootstring[i]) | |
2361 | *(tempbufb++) = 0x0700 | bootstring[i++]; | |
2362 | ||
2363 | ret |= sisusb_copy_memory(sisusb, tempbuf, | |
2364 | sisusb->vrambase, 8192, &written); | |
2365 | ||
2366 | vfree(tempbuf); | |
2367 | ||
2368 | } | |
2369 | ||
2370 | } else if (sisusb->scrbuf) { | |
2371 | ||
2372 | ret |= sisusb_copy_memory(sisusb, (char *)sisusb->scrbuf, | |
2373 | sisusb->vrambase, sisusb->scrbuf_size, &written); | |
2374 | ||
2375 | } | |
2376 | ||
2377 | if (sisusb->sisusb_cursor_size_from >= 0 && | |
2378 | sisusb->sisusb_cursor_size_to >= 0) { | |
2379 | sisusb_setidxreg(sisusb, SISCR, 0x0a, | |
2380 | sisusb->sisusb_cursor_size_from); | |
2381 | sisusb_setidxregandor(sisusb, SISCR, 0x0b, 0xe0, | |
2382 | sisusb->sisusb_cursor_size_to); | |
2383 | } else { | |
2384 | sisusb_setidxreg(sisusb, SISCR, 0x0a, 0x2d); | |
2385 | sisusb_setidxreg(sisusb, SISCR, 0x0b, 0x0e); | |
2386 | sisusb->sisusb_cursor_size_to = -1; | |
2387 | } | |
2388 | ||
2389 | slot = sisusb->sisusb_cursor_loc; | |
2390 | if(slot < 0) slot = 0; | |
2391 | ||
2392 | sisusb->sisusb_cursor_loc = -1; | |
2393 | sisusb->bad_cursor_pos = 1; | |
2394 | ||
2395 | sisusb_set_cursor(sisusb, slot); | |
2396 | ||
2397 | sisusb_setidxreg(sisusb, SISCR, 0x0c, (sisusb->cur_start_addr >> 8)); | |
2398 | sisusb_setidxreg(sisusb, SISCR, 0x0d, (sisusb->cur_start_addr & 0xff)); | |
2399 | ||
2400 | sisusb->textmodedestroyed = 0; | |
2401 | ||
2402 | /* sisusb->lock is down */ | |
2403 | ||
2404 | return ret; | |
2405 | } | |
2406 | ||
2407 | #endif | |
2408 | ||
1da177e4 LT |
2409 | /* fops */ |
2410 | ||
2411 | static int | |
2412 | sisusb_open(struct inode *inode, struct file *file) | |
2413 | { | |
2414 | struct sisusb_usb_data *sisusb; | |
2415 | struct usb_interface *interface; | |
2416 | int subminor = iminor(inode); | |
2417 | ||
86266452 | 2418 | if (!(interface = usb_find_interface(&sisusb_driver, subminor))) { |
1da177e4 | 2419 | return -ENODEV; |
86266452 | 2420 | } |
1da177e4 | 2421 | |
86266452 | 2422 | if (!(sisusb = usb_get_intfdata(interface))) { |
1da177e4 | 2423 | return -ENODEV; |
86266452 | 2424 | } |
1da177e4 | 2425 | |
2682d27c | 2426 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2427 | |
2428 | if (!sisusb->present || !sisusb->ready) { | |
2682d27c | 2429 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2430 | return -ENODEV; |
2431 | } | |
2432 | ||
2433 | if (sisusb->isopen) { | |
2682d27c | 2434 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2435 | return -EBUSY; |
2436 | } | |
2437 | ||
2438 | if (!sisusb->devinit) { | |
20a12f00 ON |
2439 | if (sisusb->sisusb_dev->speed == USB_SPEED_HIGH || |
2440 | sisusb->sisusb_dev->speed == USB_SPEED_SUPER) { | |
1da177e4 | 2441 | if (sisusb_init_gfxdevice(sisusb, 0)) { |
2682d27c | 2442 | mutex_unlock(&sisusb->lock); |
7b5cd5fe | 2443 | dev_err(&sisusb->sisusb_dev->dev, "Failed to initialize device\n"); |
1da177e4 LT |
2444 | return -EIO; |
2445 | } | |
2446 | } else { | |
2682d27c | 2447 | mutex_unlock(&sisusb->lock); |
7b5cd5fe | 2448 | dev_err(&sisusb->sisusb_dev->dev, "Device not attached to USB 2.0 hub\n"); |
1da177e4 LT |
2449 | return -EIO; |
2450 | } | |
2451 | } | |
2452 | ||
1bbb4f20 | 2453 | /* Increment usage count for our sisusb */ |
1da177e4 LT |
2454 | kref_get(&sisusb->kref); |
2455 | ||
2456 | sisusb->isopen = 1; | |
2457 | ||
2458 | file->private_data = sisusb; | |
2459 | ||
2682d27c | 2460 | mutex_unlock(&sisusb->lock); |
1da177e4 | 2461 | |
1da177e4 LT |
2462 | return 0; |
2463 | } | |
2464 | ||
1bbb4f20 | 2465 | void |
1da177e4 LT |
2466 | sisusb_delete(struct kref *kref) |
2467 | { | |
2468 | struct sisusb_usb_data *sisusb = to_sisusb_dev(kref); | |
2469 | ||
2470 | if (!sisusb) | |
2471 | return; | |
2472 | ||
2473 | if (sisusb->sisusb_dev) | |
2474 | usb_put_dev(sisusb->sisusb_dev); | |
2475 | ||
2476 | sisusb->sisusb_dev = NULL; | |
2477 | sisusb_free_buffers(sisusb); | |
2478 | sisusb_free_urbs(sisusb); | |
1bbb4f20 TW |
2479 | #ifdef INCL_SISUSB_CON |
2480 | kfree(sisusb->SiS_Pr); | |
2481 | #endif | |
1da177e4 LT |
2482 | kfree(sisusb); |
2483 | } | |
2484 | ||
2485 | static int | |
2486 | sisusb_release(struct inode *inode, struct file *file) | |
2487 | { | |
2488 | struct sisusb_usb_data *sisusb; | |
1da177e4 | 2489 | |
5bd6e8b3 | 2490 | if (!(sisusb = file->private_data)) |
1da177e4 | 2491 | return -ENODEV; |
1da177e4 | 2492 | |
2682d27c | 2493 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2494 | |
2495 | if (sisusb->present) { | |
2496 | /* Wait for all URBs to finish if device still present */ | |
2497 | if (!sisusb_wait_all_out_complete(sisusb)) | |
2498 | sisusb_kill_all_busy(sisusb); | |
2499 | } | |
2500 | ||
1da177e4 LT |
2501 | sisusb->isopen = 0; |
2502 | file->private_data = NULL; | |
2503 | ||
2682d27c | 2504 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2505 | |
2506 | /* decrement the usage count on our device */ | |
2507 | kref_put(&sisusb->kref, sisusb_delete); | |
2508 | ||
1da177e4 LT |
2509 | return 0; |
2510 | } | |
2511 | ||
2512 | static ssize_t | |
2513 | sisusb_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) | |
2514 | { | |
2515 | struct sisusb_usb_data *sisusb; | |
2516 | ssize_t bytes_read = 0; | |
2517 | int errno = 0; | |
2518 | u8 buf8; | |
2519 | u16 buf16; | |
2520 | u32 buf32, address; | |
2521 | ||
5bd6e8b3 | 2522 | if (!(sisusb = file->private_data)) |
1da177e4 LT |
2523 | return -ENODEV; |
2524 | ||
2682d27c | 2525 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2526 | |
2527 | /* Sanity check */ | |
2528 | if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { | |
2682d27c | 2529 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2530 | return -ENODEV; |
2531 | } | |
2532 | ||
2533 | if ((*ppos) >= SISUSB_PCI_PSEUDO_IOPORTBASE && | |
2534 | (*ppos) < SISUSB_PCI_PSEUDO_IOPORTBASE + 128) { | |
2535 | ||
2536 | address = (*ppos) - | |
2537 | SISUSB_PCI_PSEUDO_IOPORTBASE + | |
2538 | SISUSB_PCI_IOPORTBASE; | |
2539 | ||
2540 | /* Read i/o ports | |
2541 | * Byte, word and long(32) can be read. As this | |
2542 | * emulates inX instructions, the data returned is | |
2543 | * in machine-endianness. | |
2544 | */ | |
2545 | switch (count) { | |
2546 | ||
2547 | case 1: | |
2548 | if (sisusb_read_memio_byte(sisusb, | |
2549 | SISUSB_TYPE_IO, | |
2550 | address, &buf8)) | |
2551 | errno = -EIO; | |
2552 | else if (put_user(buf8, (u8 __user *)buffer)) | |
2553 | errno = -EFAULT; | |
2554 | else | |
2555 | bytes_read = 1; | |
2556 | ||
2557 | break; | |
2558 | ||
2559 | case 2: | |
2560 | if (sisusb_read_memio_word(sisusb, | |
2561 | SISUSB_TYPE_IO, | |
2562 | address, &buf16)) | |
2563 | errno = -EIO; | |
2564 | else if (put_user(buf16, (u16 __user *)buffer)) | |
2565 | errno = -EFAULT; | |
2566 | else | |
2567 | bytes_read = 2; | |
2568 | ||
2569 | break; | |
2570 | ||
2571 | case 4: | |
2572 | if (sisusb_read_memio_long(sisusb, | |
2573 | SISUSB_TYPE_IO, | |
2574 | address, &buf32)) | |
2575 | errno = -EIO; | |
2576 | else if (put_user(buf32, (u32 __user *)buffer)) | |
2577 | errno = -EFAULT; | |
2578 | else | |
2579 | bytes_read = 4; | |
2580 | ||
2581 | break; | |
2582 | ||
2583 | default: | |
2584 | errno = -EIO; | |
2585 | ||
2586 | } | |
2587 | ||
2588 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_MEMBASE && | |
2589 | (*ppos) < SISUSB_PCI_PSEUDO_MEMBASE + sisusb->vramsize) { | |
2590 | ||
2591 | address = (*ppos) - | |
2592 | SISUSB_PCI_PSEUDO_MEMBASE + | |
2593 | SISUSB_PCI_MEMBASE; | |
2594 | ||
2595 | /* Read video ram | |
2596 | * Remember: Data delivered is never endian-corrected | |
2597 | */ | |
2598 | errno = sisusb_read_mem_bulk(sisusb, address, | |
2599 | NULL, count, buffer, &bytes_read); | |
2600 | ||
2601 | if (bytes_read) | |
2602 | errno = bytes_read; | |
2603 | ||
2604 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_MMIOBASE && | |
2605 | (*ppos) < SISUSB_PCI_PSEUDO_MMIOBASE + SISUSB_PCI_MMIOSIZE) { | |
2606 | ||
2607 | address = (*ppos) - | |
2608 | SISUSB_PCI_PSEUDO_MMIOBASE + | |
2609 | SISUSB_PCI_MMIOBASE; | |
2610 | ||
2611 | /* Read MMIO | |
2612 | * Remember: Data delivered is never endian-corrected | |
2613 | */ | |
2614 | errno = sisusb_read_mem_bulk(sisusb, address, | |
2615 | NULL, count, buffer, &bytes_read); | |
2616 | ||
2617 | if (bytes_read) | |
2618 | errno = bytes_read; | |
2619 | ||
2620 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_PCIBASE && | |
2621 | (*ppos) <= SISUSB_PCI_PSEUDO_PCIBASE + 0x5c) { | |
2622 | ||
2623 | if (count != 4) { | |
2682d27c | 2624 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2625 | return -EINVAL; |
2626 | } | |
2627 | ||
2628 | address = (*ppos) - SISUSB_PCI_PSEUDO_PCIBASE; | |
2629 | ||
2630 | /* Read PCI config register | |
2631 | * Return value delivered in machine endianness. | |
2632 | */ | |
2633 | if (sisusb_read_pci_config(sisusb, address, &buf32)) | |
2634 | errno = -EIO; | |
2635 | else if (put_user(buf32, (u32 __user *)buffer)) | |
2636 | errno = -EFAULT; | |
2637 | else | |
2638 | bytes_read = 4; | |
2639 | ||
2640 | } else { | |
2641 | ||
2642 | errno = -EBADFD; | |
2643 | ||
2644 | } | |
2645 | ||
2646 | (*ppos) += bytes_read; | |
2647 | ||
2682d27c | 2648 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2649 | |
2650 | return errno ? errno : bytes_read; | |
2651 | } | |
2652 | ||
2653 | static ssize_t | |
2654 | sisusb_write(struct file *file, const char __user *buffer, size_t count, | |
2655 | loff_t *ppos) | |
2656 | { | |
2657 | struct sisusb_usb_data *sisusb; | |
2658 | int errno = 0; | |
2659 | ssize_t bytes_written = 0; | |
2660 | u8 buf8; | |
2661 | u16 buf16; | |
2662 | u32 buf32, address; | |
2663 | ||
5bd6e8b3 | 2664 | if (!(sisusb = file->private_data)) |
1da177e4 LT |
2665 | return -ENODEV; |
2666 | ||
2682d27c | 2667 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2668 | |
2669 | /* Sanity check */ | |
2670 | if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { | |
2682d27c | 2671 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2672 | return -ENODEV; |
2673 | } | |
2674 | ||
2675 | if ((*ppos) >= SISUSB_PCI_PSEUDO_IOPORTBASE && | |
2676 | (*ppos) < SISUSB_PCI_PSEUDO_IOPORTBASE + 128) { | |
2677 | ||
2678 | address = (*ppos) - | |
2679 | SISUSB_PCI_PSEUDO_IOPORTBASE + | |
2680 | SISUSB_PCI_IOPORTBASE; | |
2681 | ||
2682 | /* Write i/o ports | |
2683 | * Byte, word and long(32) can be written. As this | |
2684 | * emulates outX instructions, the data is expected | |
2685 | * in machine-endianness. | |
2686 | */ | |
2687 | switch (count) { | |
2688 | ||
2689 | case 1: | |
2690 | if (get_user(buf8, (u8 __user *)buffer)) | |
2691 | errno = -EFAULT; | |
2692 | else if (sisusb_write_memio_byte(sisusb, | |
2693 | SISUSB_TYPE_IO, | |
2694 | address, buf8)) | |
2695 | errno = -EIO; | |
2696 | else | |
2697 | bytes_written = 1; | |
2698 | ||
2699 | break; | |
2700 | ||
2701 | case 2: | |
2702 | if (get_user(buf16, (u16 __user *)buffer)) | |
2703 | errno = -EFAULT; | |
2704 | else if (sisusb_write_memio_word(sisusb, | |
2705 | SISUSB_TYPE_IO, | |
2706 | address, buf16)) | |
2707 | errno = -EIO; | |
2708 | else | |
2709 | bytes_written = 2; | |
2710 | ||
2711 | break; | |
2712 | ||
2713 | case 4: | |
2714 | if (get_user(buf32, (u32 __user *)buffer)) | |
2715 | errno = -EFAULT; | |
2716 | else if (sisusb_write_memio_long(sisusb, | |
2717 | SISUSB_TYPE_IO, | |
2718 | address, buf32)) | |
2719 | errno = -EIO; | |
2720 | else | |
2721 | bytes_written = 4; | |
2722 | ||
2723 | break; | |
2724 | ||
2725 | default: | |
2726 | errno = -EIO; | |
2727 | } | |
2728 | ||
2729 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_MEMBASE && | |
2730 | (*ppos) < SISUSB_PCI_PSEUDO_MEMBASE + sisusb->vramsize) { | |
2731 | ||
2732 | address = (*ppos) - | |
2733 | SISUSB_PCI_PSEUDO_MEMBASE + | |
2734 | SISUSB_PCI_MEMBASE; | |
2735 | ||
2736 | /* Write video ram. | |
2737 | * Buffer is copied 1:1, therefore, on big-endian | |
2738 | * machines, the data must be swapped by userland | |
2739 | * in advance (if applicable; no swapping in 8bpp | |
2740 | * mode or if YUV data is being transferred). | |
2741 | */ | |
2742 | errno = sisusb_write_mem_bulk(sisusb, address, NULL, | |
2743 | count, buffer, 0, &bytes_written); | |
2744 | ||
2745 | if (bytes_written) | |
2746 | errno = bytes_written; | |
2747 | ||
2748 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_MMIOBASE && | |
2749 | (*ppos) < SISUSB_PCI_PSEUDO_MMIOBASE + SISUSB_PCI_MMIOSIZE) { | |
2750 | ||
2751 | address = (*ppos) - | |
2752 | SISUSB_PCI_PSEUDO_MMIOBASE + | |
2753 | SISUSB_PCI_MMIOBASE; | |
2754 | ||
2755 | /* Write MMIO. | |
2756 | * Buffer is copied 1:1, therefore, on big-endian | |
2757 | * machines, the data must be swapped by userland | |
2758 | * in advance. | |
2759 | */ | |
2760 | errno = sisusb_write_mem_bulk(sisusb, address, NULL, | |
2761 | count, buffer, 0, &bytes_written); | |
2762 | ||
2763 | if (bytes_written) | |
2764 | errno = bytes_written; | |
2765 | ||
2766 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_PCIBASE && | |
2767 | (*ppos) <= SISUSB_PCI_PSEUDO_PCIBASE + SISUSB_PCI_PCONFSIZE) { | |
2768 | ||
2769 | if (count != 4) { | |
2682d27c | 2770 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2771 | return -EINVAL; |
2772 | } | |
2773 | ||
2774 | address = (*ppos) - SISUSB_PCI_PSEUDO_PCIBASE; | |
2775 | ||
2776 | /* Write PCI config register. | |
2777 | * Given value expected in machine endianness. | |
2778 | */ | |
2779 | if (get_user(buf32, (u32 __user *)buffer)) | |
2780 | errno = -EFAULT; | |
2781 | else if (sisusb_write_pci_config(sisusb, address, buf32)) | |
2782 | errno = -EIO; | |
2783 | else | |
2784 | bytes_written = 4; | |
2785 | ||
2786 | ||
2787 | } else { | |
2788 | ||
2789 | /* Error */ | |
2790 | errno = -EBADFD; | |
2791 | ||
2792 | } | |
2793 | ||
2794 | (*ppos) += bytes_written; | |
2795 | ||
2682d27c | 2796 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2797 | |
2798 | return errno ? errno : bytes_written; | |
2799 | } | |
2800 | ||
2801 | static loff_t | |
2802 | sisusb_lseek(struct file *file, loff_t offset, int orig) | |
2803 | { | |
2804 | struct sisusb_usb_data *sisusb; | |
2805 | loff_t ret; | |
2806 | ||
5bd6e8b3 | 2807 | if (!(sisusb = file->private_data)) |
1da177e4 LT |
2808 | return -ENODEV; |
2809 | ||
2682d27c | 2810 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2811 | |
2812 | /* Sanity check */ | |
2813 | if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { | |
2682d27c | 2814 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2815 | return -ENODEV; |
2816 | } | |
2817 | ||
2818 | switch (orig) { | |
2819 | case 0: | |
2820 | file->f_pos = offset; | |
2821 | ret = file->f_pos; | |
2822 | /* never negative, no force_successful_syscall needed */ | |
2823 | break; | |
2824 | case 1: | |
2825 | file->f_pos += offset; | |
2826 | ret = file->f_pos; | |
2827 | /* never negative, no force_successful_syscall needed */ | |
2828 | break; | |
2829 | default: | |
2830 | /* seeking relative to "end of file" is not supported */ | |
2831 | ret = -EINVAL; | |
2832 | } | |
2833 | ||
2682d27c | 2834 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2835 | return ret; |
2836 | } | |
2837 | ||
2838 | static int | |
2839 | sisusb_handle_command(struct sisusb_usb_data *sisusb, struct sisusb_command *y, | |
2840 | unsigned long arg) | |
2841 | { | |
ed86d970 | 2842 | int retval, port, length; |
1da177e4 LT |
2843 | u32 address; |
2844 | ||
1bbb4f20 TW |
2845 | /* All our commands require the device |
2846 | * to be initialized. | |
2847 | */ | |
2848 | if (!sisusb->devinit) | |
2849 | return -ENODEV; | |
2850 | ||
1da177e4 LT |
2851 | port = y->data3 - |
2852 | SISUSB_PCI_PSEUDO_IOPORTBASE + | |
2853 | SISUSB_PCI_IOPORTBASE; | |
2854 | ||
2855 | switch (y->operation) { | |
2856 | case SUCMD_GET: | |
2857 | retval = sisusb_getidxreg(sisusb, port, | |
2858 | y->data0, &y->data1); | |
2859 | if (!retval) { | |
2860 | if (copy_to_user((void __user *)arg, y, | |
2861 | sizeof(*y))) | |
2862 | retval = -EFAULT; | |
2863 | } | |
2864 | break; | |
2865 | ||
2866 | case SUCMD_SET: | |
2867 | retval = sisusb_setidxreg(sisusb, port, | |
2868 | y->data0, y->data1); | |
2869 | break; | |
2870 | ||
2871 | case SUCMD_SETOR: | |
2872 | retval = sisusb_setidxregor(sisusb, port, | |
2873 | y->data0, y->data1); | |
2874 | break; | |
2875 | ||
2876 | case SUCMD_SETAND: | |
2877 | retval = sisusb_setidxregand(sisusb, port, | |
2878 | y->data0, y->data1); | |
2879 | break; | |
2880 | ||
2881 | case SUCMD_SETANDOR: | |
2882 | retval = sisusb_setidxregandor(sisusb, port, | |
2883 | y->data0, y->data1, y->data2); | |
2884 | break; | |
2885 | ||
2886 | case SUCMD_SETMASK: | |
2887 | retval = sisusb_setidxregmask(sisusb, port, | |
2888 | y->data0, y->data1, y->data2); | |
2889 | break; | |
2890 | ||
2891 | case SUCMD_CLRSCR: | |
1bbb4f20 TW |
2892 | /* Gfx core must be initialized */ |
2893 | if (!sisusb->gfxinit) | |
2894 | return -ENODEV; | |
2895 | ||
1da177e4 LT |
2896 | length = (y->data0 << 16) | (y->data1 << 8) | y->data2; |
2897 | address = y->data3 - | |
2898 | SISUSB_PCI_PSEUDO_MEMBASE + | |
2899 | SISUSB_PCI_MEMBASE; | |
2900 | retval = sisusb_clear_vram(sisusb, address, length); | |
2901 | break; | |
2902 | ||
1bbb4f20 TW |
2903 | case SUCMD_HANDLETEXTMODE: |
2904 | retval = 0; | |
2905 | #ifdef INCL_SISUSB_CON | |
2906 | /* Gfx core must be initialized, SiS_Pr must exist */ | |
2907 | if (!sisusb->gfxinit || !sisusb->SiS_Pr) | |
2908 | return -ENODEV; | |
2909 | ||
2910 | switch (y->data0) { | |
2911 | case 0: | |
2912 | retval = sisusb_reset_text_mode(sisusb, 0); | |
2913 | break; | |
2914 | case 1: | |
2915 | sisusb->textmodedestroyed = 1; | |
2916 | break; | |
2917 | } | |
2918 | #endif | |
2919 | break; | |
2920 | ||
2921 | #ifdef INCL_SISUSB_CON | |
2922 | case SUCMD_SETMODE: | |
2923 | /* Gfx core must be initialized, SiS_Pr must exist */ | |
2924 | if (!sisusb->gfxinit || !sisusb->SiS_Pr) | |
2925 | return -ENODEV; | |
2926 | ||
2927 | retval = 0; | |
2928 | ||
2929 | sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; | |
2930 | sisusb->SiS_Pr->sisusb = (void *)sisusb; | |
2931 | ||
2932 | if (SiSUSBSetMode(sisusb->SiS_Pr, y->data3)) | |
2933 | retval = -EINVAL; | |
2934 | ||
2935 | break; | |
2936 | ||
2937 | case SUCMD_SETVESAMODE: | |
2938 | /* Gfx core must be initialized, SiS_Pr must exist */ | |
2939 | if (!sisusb->gfxinit || !sisusb->SiS_Pr) | |
2940 | return -ENODEV; | |
2941 | ||
2942 | retval = 0; | |
2943 | ||
2944 | sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; | |
2945 | sisusb->SiS_Pr->sisusb = (void *)sisusb; | |
2946 | ||
2947 | if (SiSUSBSetVESAMode(sisusb->SiS_Pr, y->data3)) | |
2948 | retval = -EINVAL; | |
2949 | ||
2950 | break; | |
2951 | #endif | |
2952 | ||
1da177e4 LT |
2953 | default: |
2954 | retval = -EINVAL; | |
2955 | } | |
2956 | ||
1bbb4f20 | 2957 | if (retval > 0) |
1da177e4 LT |
2958 | retval = -EIO; |
2959 | ||
2960 | return retval; | |
2961 | } | |
2962 | ||
49f15255 AC |
2963 | static long |
2964 | sisusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
1da177e4 LT |
2965 | { |
2966 | struct sisusb_usb_data *sisusb; | |
2967 | struct sisusb_info x; | |
2968 | struct sisusb_command y; | |
41f2c6e8 | 2969 | long retval = 0; |
1da177e4 LT |
2970 | u32 __user *argp = (u32 __user *)arg; |
2971 | ||
5bd6e8b3 | 2972 | if (!(sisusb = file->private_data)) |
1da177e4 LT |
2973 | return -ENODEV; |
2974 | ||
2682d27c | 2975 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2976 | |
2977 | /* Sanity check */ | |
2978 | if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { | |
2979 | retval = -ENODEV; | |
2980 | goto err_out; | |
2981 | } | |
2982 | ||
2983 | switch (cmd) { | |
2984 | ||
2985 | case SISUSB_GET_CONFIG_SIZE: | |
2986 | ||
2987 | if (put_user(sizeof(x), argp)) | |
2988 | retval = -EFAULT; | |
2989 | ||
2990 | break; | |
2991 | ||
2992 | case SISUSB_GET_CONFIG: | |
2993 | ||
ed86d970 | 2994 | x.sisusb_id = SISUSB_ID; |
1da177e4 LT |
2995 | x.sisusb_version = SISUSB_VERSION; |
2996 | x.sisusb_revision = SISUSB_REVISION; | |
2997 | x.sisusb_patchlevel = SISUSB_PATCHLEVEL; | |
2998 | x.sisusb_gfxinit = sisusb->gfxinit; | |
2999 | x.sisusb_vrambase = SISUSB_PCI_PSEUDO_MEMBASE; | |
3000 | x.sisusb_mmiobase = SISUSB_PCI_PSEUDO_MMIOBASE; | |
3001 | x.sisusb_iobase = SISUSB_PCI_PSEUDO_IOPORTBASE; | |
3002 | x.sisusb_pcibase = SISUSB_PCI_PSEUDO_PCIBASE; | |
3003 | x.sisusb_vramsize = sisusb->vramsize; | |
3004 | x.sisusb_minor = sisusb->minor; | |
3005 | x.sisusb_fbdevactive= 0; | |
1bbb4f20 TW |
3006 | #ifdef INCL_SISUSB_CON |
3007 | x.sisusb_conactive = sisusb->haveconsole ? 1 : 0; | |
3008 | #else | |
3009 | x.sisusb_conactive = 0; | |
3010 | #endif | |
5dc92cf1 | 3011 | memset(x.sisusb_reserved, 0, sizeof(x.sisusb_reserved)); |
1da177e4 LT |
3012 | |
3013 | if (copy_to_user((void __user *)arg, &x, sizeof(x))) | |
3014 | retval = -EFAULT; | |
3015 | ||
3016 | break; | |
3017 | ||
3018 | case SISUSB_COMMAND: | |
3019 | ||
3020 | if (copy_from_user(&y, (void __user *)arg, sizeof(y))) | |
3021 | retval = -EFAULT; | |
3022 | else | |
3023 | retval = sisusb_handle_command(sisusb, &y, arg); | |
3024 | ||
3025 | break; | |
3026 | ||
3027 | default: | |
9ee884cc | 3028 | retval = -ENOTTY; |
1da177e4 LT |
3029 | break; |
3030 | } | |
3031 | ||
3032 | err_out: | |
2682d27c | 3033 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
3034 | return retval; |
3035 | } | |
3036 | ||
3037 | #ifdef SISUSB_NEW_CONFIG_COMPAT | |
3038 | static long | |
3039 | sisusb_compat_ioctl(struct file *f, unsigned int cmd, unsigned long arg) | |
3040 | { | |
3041 | long retval; | |
3042 | ||
3043 | switch (cmd) { | |
3044 | case SISUSB_GET_CONFIG_SIZE: | |
3045 | case SISUSB_GET_CONFIG: | |
3046 | case SISUSB_COMMAND: | |
49f15255 | 3047 | retval = sisusb_ioctl(f, cmd, arg); |
1da177e4 LT |
3048 | return retval; |
3049 | ||
3050 | default: | |
3051 | return -ENOIOCTLCMD; | |
3052 | } | |
3053 | } | |
3054 | #endif | |
3055 | ||
066202dd | 3056 | static const struct file_operations usb_sisusb_fops = { |
1da177e4 LT |
3057 | .owner = THIS_MODULE, |
3058 | .open = sisusb_open, | |
3059 | .release = sisusb_release, | |
3060 | .read = sisusb_read, | |
3061 | .write = sisusb_write, | |
ed86d970 | 3062 | .llseek = sisusb_lseek, |
1da177e4 LT |
3063 | #ifdef SISUSB_NEW_CONFIG_COMPAT |
3064 | .compat_ioctl = sisusb_compat_ioctl, | |
3065 | #endif | |
49f15255 | 3066 | .unlocked_ioctl = sisusb_ioctl |
1da177e4 LT |
3067 | }; |
3068 | ||
3069 | static struct usb_class_driver usb_sisusb_class = { | |
1bbb4f20 | 3070 | .name = "sisusbvga%d", |
1bbb4f20 | 3071 | .fops = &usb_sisusb_fops, |
1da177e4 LT |
3072 | .minor_base = SISUSB_MINOR |
3073 | }; | |
3074 | ||
3075 | static int sisusb_probe(struct usb_interface *intf, | |
3076 | const struct usb_device_id *id) | |
3077 | { | |
3078 | struct usb_device *dev = interface_to_usbdev(intf); | |
3079 | struct sisusb_usb_data *sisusb; | |
3080 | int retval = 0, i; | |
1da177e4 | 3081 | |
7b5cd5fe | 3082 | dev_info(&dev->dev, "USB2VGA dongle found at address %d\n", |
1da177e4 LT |
3083 | dev->devnum); |
3084 | ||
3085 | /* Allocate memory for our private */ | |
9ee884cc | 3086 | if (!(sisusb = kzalloc(sizeof(*sisusb), GFP_KERNEL))) { |
a1645eef | 3087 | dev_err(&dev->dev, "Failed to allocate memory for private data\n"); |
1da177e4 LT |
3088 | return -ENOMEM; |
3089 | } | |
1da177e4 LT |
3090 | kref_init(&sisusb->kref); |
3091 | ||
2682d27c | 3092 | mutex_init(&(sisusb->lock)); |
1da177e4 LT |
3093 | |
3094 | /* Register device */ | |
3095 | if ((retval = usb_register_dev(intf, &usb_sisusb_class))) { | |
7b5cd5fe | 3096 | dev_err(&sisusb->sisusb_dev->dev, "Failed to get a minor for device %d\n", |
1da177e4 LT |
3097 | dev->devnum); |
3098 | retval = -ENODEV; | |
3099 | goto error_1; | |
3100 | } | |
3101 | ||
3102 | sisusb->sisusb_dev = dev; | |
3103 | sisusb->minor = intf->minor; | |
3104 | sisusb->vrambase = SISUSB_PCI_MEMBASE; | |
3105 | sisusb->mmiobase = SISUSB_PCI_MMIOBASE; | |
3106 | sisusb->mmiosize = SISUSB_PCI_MMIOSIZE; | |
3107 | sisusb->ioportbase = SISUSB_PCI_IOPORTBASE; | |
3108 | /* Everything else is zero */ | |
3109 | ||
3110 | /* Allocate buffers */ | |
3111 | sisusb->ibufsize = SISUSB_IBUF_SIZE; | |
d2fb1bb3 | 3112 | if (!(sisusb->ibuf = kmalloc(SISUSB_IBUF_SIZE, GFP_KERNEL))) { |
7b5cd5fe | 3113 | dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate memory for input buffer"); |
1da177e4 LT |
3114 | retval = -ENOMEM; |
3115 | goto error_2; | |
3116 | } | |
3117 | ||
3118 | sisusb->numobufs = 0; | |
3119 | sisusb->obufsize = SISUSB_OBUF_SIZE; | |
3120 | for (i = 0; i < NUMOBUFS; i++) { | |
d2fb1bb3 | 3121 | if (!(sisusb->obuf[i] = kmalloc(SISUSB_OBUF_SIZE, GFP_KERNEL))) { |
1da177e4 | 3122 | if (i == 0) { |
7b5cd5fe | 3123 | dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate memory for output buffer\n"); |
1da177e4 LT |
3124 | retval = -ENOMEM; |
3125 | goto error_3; | |
3126 | } | |
3127 | break; | |
3128 | } else | |
3129 | sisusb->numobufs++; | |
3130 | ||
3131 | } | |
3132 | ||
3133 | /* Allocate URBs */ | |
3134 | if (!(sisusb->sisurbin = usb_alloc_urb(0, GFP_KERNEL))) { | |
7b5cd5fe | 3135 | dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate URBs\n"); |
1da177e4 LT |
3136 | retval = -ENOMEM; |
3137 | goto error_3; | |
3138 | } | |
3139 | sisusb->completein = 1; | |
3140 | ||
3141 | for (i = 0; i < sisusb->numobufs; i++) { | |
3142 | if (!(sisusb->sisurbout[i] = usb_alloc_urb(0, GFP_KERNEL))) { | |
7b5cd5fe | 3143 | dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate URBs\n"); |
1da177e4 LT |
3144 | retval = -ENOMEM; |
3145 | goto error_4; | |
3146 | } | |
3147 | sisusb->urbout_context[i].sisusb = (void *)sisusb; | |
3148 | sisusb->urbout_context[i].urbindex = i; | |
3149 | sisusb->urbstatus[i] = 0; | |
3150 | } | |
3151 | ||
7b5cd5fe | 3152 | dev_info(&sisusb->sisusb_dev->dev, "Allocated %d output buffers\n", sisusb->numobufs); |
1da177e4 | 3153 | |
1bbb4f20 TW |
3154 | #ifdef INCL_SISUSB_CON |
3155 | /* Allocate our SiS_Pr */ | |
3156 | if (!(sisusb->SiS_Pr = kmalloc(sizeof(struct SiS_Private), GFP_KERNEL))) { | |
7b5cd5fe | 3157 | dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate SiS_Pr\n"); |
1bbb4f20 TW |
3158 | } |
3159 | #endif | |
3160 | ||
1da177e4 LT |
3161 | /* Do remaining init stuff */ |
3162 | ||
3163 | init_waitqueue_head(&sisusb->wait_q); | |
3164 | ||
3165 | usb_set_intfdata(intf, sisusb); | |
3166 | ||
1bbb4f20 TW |
3167 | usb_get_dev(sisusb->sisusb_dev); |
3168 | ||
3169 | sisusb->present = 1; | |
3170 | ||
20a12f00 | 3171 | if (dev->speed == USB_SPEED_HIGH || dev->speed == USB_SPEED_SUPER) { |
1bbb4f20 TW |
3172 | int initscreen = 1; |
3173 | #ifdef INCL_SISUSB_CON | |
3174 | if (sisusb_first_vc > 0 && | |
3175 | sisusb_last_vc > 0 && | |
3176 | sisusb_first_vc <= sisusb_last_vc && | |
3177 | sisusb_last_vc <= MAX_NR_CONSOLES) | |
3178 | initscreen = 0; | |
3179 | #endif | |
3180 | if (sisusb_init_gfxdevice(sisusb, initscreen)) | |
7b5cd5fe | 3181 | dev_err(&sisusb->sisusb_dev->dev, "Failed to early initialize device\n"); |
1da177e4 LT |
3182 | |
3183 | } else | |
7b5cd5fe | 3184 | dev_info(&sisusb->sisusb_dev->dev, "Not attached to USB 2.0 hub, deferring init\n"); |
1da177e4 LT |
3185 | |
3186 | sisusb->ready = 1; | |
3187 | ||
1bbb4f20 | 3188 | #ifdef SISUSBENDIANTEST |
7b5cd5fe | 3189 | dev_dbg(&sisusb->sisusb_dev->dev, "*** RWTEST ***\n"); |
1bbb4f20 | 3190 | sisusb_testreadwrite(sisusb); |
7b5cd5fe | 3191 | dev_dbg(&sisusb->sisusb_dev->dev, "*** RWTEST END ***\n"); |
1bbb4f20 TW |
3192 | #endif |
3193 | ||
3194 | #ifdef INCL_SISUSB_CON | |
3195 | sisusb_console_init(sisusb, sisusb_first_vc, sisusb_last_vc); | |
3196 | #endif | |
3197 | ||
1da177e4 LT |
3198 | return 0; |
3199 | ||
3200 | error_4: | |
3201 | sisusb_free_urbs(sisusb); | |
3202 | error_3: | |
3203 | sisusb_free_buffers(sisusb); | |
3204 | error_2: | |
3205 | usb_deregister_dev(intf, &usb_sisusb_class); | |
3206 | error_1: | |
3207 | kfree(sisusb); | |
3208 | return retval; | |
3209 | } | |
3210 | ||
3211 | static void sisusb_disconnect(struct usb_interface *intf) | |
3212 | { | |
3213 | struct sisusb_usb_data *sisusb; | |
1da177e4 | 3214 | |
1da177e4 | 3215 | /* This should *not* happen */ |
1bbb4f20 | 3216 | if (!(sisusb = usb_get_intfdata(intf))) |
1da177e4 | 3217 | return; |
1bbb4f20 TW |
3218 | |
3219 | #ifdef INCL_SISUSB_CON | |
3220 | sisusb_console_exit(sisusb); | |
3221 | #endif | |
3222 | ||
d4ead16f | 3223 | usb_deregister_dev(intf, &usb_sisusb_class); |
1da177e4 | 3224 | |
2682d27c | 3225 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
3226 | |
3227 | /* Wait for all URBs to complete and kill them in case (MUST do) */ | |
3228 | if (!sisusb_wait_all_out_complete(sisusb)) | |
3229 | sisusb_kill_all_busy(sisusb); | |
3230 | ||
1da177e4 LT |
3231 | usb_set_intfdata(intf, NULL); |
3232 | ||
1da177e4 LT |
3233 | sisusb->present = 0; |
3234 | sisusb->ready = 0; | |
3235 | ||
2682d27c | 3236 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
3237 | |
3238 | /* decrement our usage count */ | |
3239 | kref_put(&sisusb->kref, sisusb_delete); | |
1da177e4 LT |
3240 | } |
3241 | ||
33b9e162 | 3242 | static const struct usb_device_id sisusb_table[] = { |
ca9024eb | 3243 | { USB_DEVICE(0x0711, 0x0550) }, |
1da177e4 | 3244 | { USB_DEVICE(0x0711, 0x0900) }, |
3003b9f7 NI |
3245 | { USB_DEVICE(0x0711, 0x0901) }, |
3246 | { USB_DEVICE(0x0711, 0x0902) }, | |
859ff407 | 3247 | { USB_DEVICE(0x0711, 0x0903) }, |
eaea0435 | 3248 | { USB_DEVICE(0x0711, 0x0918) }, |
bbcb8bba | 3249 | { USB_DEVICE(0x0711, 0x0920) }, |
7ab7c34c | 3250 | { USB_DEVICE(0x182d, 0x021c) }, |
cef11127 | 3251 | { USB_DEVICE(0x182d, 0x0269) }, |
1da177e4 LT |
3252 | { } |
3253 | }; | |
3254 | ||
3255 | MODULE_DEVICE_TABLE (usb, sisusb_table); | |
3256 | ||
3257 | static struct usb_driver sisusb_driver = { | |
1da177e4 LT |
3258 | .name = "sisusb", |
3259 | .probe = sisusb_probe, | |
3260 | .disconnect = sisusb_disconnect, | |
7ab7c34c | 3261 | .id_table = sisusb_table, |
1da177e4 LT |
3262 | }; |
3263 | ||
3264 | static int __init usb_sisusb_init(void) | |
3265 | { | |
1da177e4 | 3266 | |
1bbb4f20 TW |
3267 | #ifdef INCL_SISUSB_CON |
3268 | sisusb_init_concode(); | |
3269 | #endif | |
3270 | ||
9dcfbd97 | 3271 | return usb_register(&sisusb_driver); |
1da177e4 LT |
3272 | } |
3273 | ||
3274 | static void __exit usb_sisusb_exit(void) | |
3275 | { | |
3276 | usb_deregister(&sisusb_driver); | |
3277 | } | |
3278 | ||
3279 | module_init(usb_sisusb_init); | |
3280 | module_exit(usb_sisusb_exit); | |
3281 | ||
3282 | MODULE_AUTHOR("Thomas Winischhofer <thomas@winischhofer.net>"); | |
1bbb4f20 | 3283 | MODULE_DESCRIPTION("sisusbvga - Driver for Net2280/SiS315-based USB2VGA dongles"); |
1da177e4 LT |
3284 | MODULE_LICENSE("GPL"); |
3285 |