Commit | Line | Data |
---|---|---|
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 |
f996c49d PST |
64 | static int sisusb_first_vc; |
65 | static int sisusb_last_vc; | |
1bbb4f20 TW |
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 | ||
06e21efa | 74 | static void sisusb_free_buffers(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
75 | { |
76 | int i; | |
77 | ||
78 | for (i = 0; i < NUMOBUFS; i++) { | |
8a102fd6 PST |
79 | kfree(sisusb->obuf[i]); |
80 | sisusb->obuf[i] = NULL; | |
1da177e4 | 81 | } |
8a102fd6 PST |
82 | kfree(sisusb->ibuf); |
83 | sisusb->ibuf = NULL; | |
1da177e4 LT |
84 | } |
85 | ||
06e21efa | 86 | static void sisusb_free_urbs(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
87 | { |
88 | int i; | |
89 | ||
90 | for (i = 0; i < NUMOBUFS; i++) { | |
91 | usb_free_urb(sisusb->sisurbout[i]); | |
92 | sisusb->sisurbout[i] = NULL; | |
93 | } | |
94 | usb_free_urb(sisusb->sisurbin); | |
95 | sisusb->sisurbin = NULL; | |
96 | } | |
97 | ||
98 | /* Level 0: USB transport layer */ | |
99 | ||
100 | /* 1. out-bulks */ | |
101 | ||
102 | /* out-urb management */ | |
103 | ||
104 | /* Return 1 if all free, 0 otherwise */ | |
06e21efa | 105 | static int sisusb_all_free(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
106 | { |
107 | int i; | |
108 | ||
109 | for (i = 0; i < sisusb->numobufs; i++) { | |
110 | ||
111 | if (sisusb->urbstatus[i] & SU_URB_BUSY) | |
112 | return 0; | |
113 | ||
114 | } | |
115 | ||
116 | return 1; | |
117 | } | |
118 | ||
119 | /* Kill all busy URBs */ | |
06e21efa | 120 | static void sisusb_kill_all_busy(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
121 | { |
122 | int i; | |
123 | ||
124 | if (sisusb_all_free(sisusb)) | |
125 | return; | |
126 | ||
127 | for (i = 0; i < sisusb->numobufs; i++) { | |
128 | ||
129 | if (sisusb->urbstatus[i] & SU_URB_BUSY) | |
130 | usb_kill_urb(sisusb->sisurbout[i]); | |
131 | ||
132 | } | |
133 | } | |
134 | ||
135 | /* Return 1 if ok, 0 if error (not all complete within timeout) */ | |
06e21efa | 136 | static int sisusb_wait_all_out_complete(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
137 | { |
138 | int timeout = 5 * HZ, i = 1; | |
139 | ||
06e21efa PST |
140 | wait_event_timeout(sisusb->wait_q, (i = sisusb_all_free(sisusb)), |
141 | timeout); | |
1da177e4 LT |
142 | |
143 | return i; | |
144 | } | |
145 | ||
06e21efa | 146 | static int sisusb_outurb_available(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
147 | { |
148 | int i; | |
149 | ||
150 | for (i = 0; i < sisusb->numobufs; i++) { | |
151 | ||
152 | if ((sisusb->urbstatus[i] & (SU_URB_BUSY|SU_URB_ALLOC)) == 0) | |
153 | return i; | |
154 | ||
155 | } | |
156 | ||
157 | return -1; | |
158 | } | |
159 | ||
06e21efa | 160 | static int sisusb_get_free_outbuf(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
161 | { |
162 | int i, timeout = 5 * HZ; | |
163 | ||
164 | wait_event_timeout(sisusb->wait_q, | |
06e21efa | 165 | ((i = sisusb_outurb_available(sisusb)) >= 0), timeout); |
1da177e4 LT |
166 | |
167 | return i; | |
168 | } | |
169 | ||
06e21efa | 170 | static int sisusb_alloc_outbuf(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
171 | { |
172 | int i; | |
173 | ||
174 | i = sisusb_outurb_available(sisusb); | |
175 | ||
176 | if (i >= 0) | |
177 | sisusb->urbstatus[i] |= SU_URB_ALLOC; | |
178 | ||
179 | return i; | |
180 | } | |
181 | ||
06e21efa | 182 | static void sisusb_free_outbuf(struct sisusb_usb_data *sisusb, int index) |
1da177e4 LT |
183 | { |
184 | if ((index >= 0) && (index < sisusb->numobufs)) | |
185 | sisusb->urbstatus[index] &= ~SU_URB_ALLOC; | |
186 | } | |
187 | ||
188 | /* completion callback */ | |
189 | ||
06e21efa | 190 | static void sisusb_bulk_completeout(struct urb *urb) |
1da177e4 LT |
191 | { |
192 | struct sisusb_urb_context *context = urb->context; | |
193 | struct sisusb_usb_data *sisusb; | |
194 | ||
195 | if (!context) | |
196 | return; | |
197 | ||
198 | sisusb = context->sisusb; | |
199 | ||
200 | if (!sisusb || !sisusb->sisusb_dev || !sisusb->present) | |
201 | return; | |
202 | ||
203 | #ifndef SISUSB_DONTSYNC | |
204 | if (context->actual_length) | |
205 | *(context->actual_length) += urb->actual_length; | |
206 | #endif | |
207 | ||
208 | sisusb->urbstatus[context->urbindex] &= ~SU_URB_BUSY; | |
209 | wake_up(&sisusb->wait_q); | |
210 | } | |
211 | ||
06e21efa PST |
212 | static int sisusb_bulkout_msg(struct sisusb_usb_data *sisusb, int index, |
213 | unsigned int pipe, void *data, int len, int *actual_length, | |
214 | int timeout, unsigned int tflags) | |
1da177e4 LT |
215 | { |
216 | struct urb *urb = sisusb->sisurbout[index]; | |
217 | int retval, byteswritten = 0; | |
218 | ||
219 | /* Set up URB */ | |
220 | urb->transfer_flags = 0; | |
221 | ||
222 | usb_fill_bulk_urb(urb, sisusb->sisusb_dev, pipe, data, len, | |
06e21efa PST |
223 | sisusb_bulk_completeout, |
224 | &sisusb->urbout_context[index]); | |
1da177e4 | 225 | |
b375a049 | 226 | urb->transfer_flags |= tflags; |
1da177e4 LT |
227 | urb->actual_length = 0; |
228 | ||
1da177e4 LT |
229 | /* Set up context */ |
230 | sisusb->urbout_context[index].actual_length = (timeout) ? | |
f74a039c | 231 | NULL : actual_length; |
1da177e4 LT |
232 | |
233 | /* Declare this urb/buffer in use */ | |
234 | sisusb->urbstatus[index] |= SU_URB_BUSY; | |
235 | ||
236 | /* Submit URB */ | |
444dc54c | 237 | retval = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 LT |
238 | |
239 | /* If OK, and if timeout > 0, wait for completion */ | |
240 | if ((retval == 0) && timeout) { | |
241 | wait_event_timeout(sisusb->wait_q, | |
f74a039c PST |
242 | (!(sisusb->urbstatus[index] & SU_URB_BUSY)), |
243 | timeout); | |
1da177e4 LT |
244 | if (sisusb->urbstatus[index] & SU_URB_BUSY) { |
245 | /* URB timed out... kill it and report error */ | |
246 | usb_kill_urb(urb); | |
247 | retval = -ETIMEDOUT; | |
248 | } else { | |
249 | /* Otherwise, report urb status */ | |
250 | retval = urb->status; | |
251 | byteswritten = urb->actual_length; | |
252 | } | |
253 | } | |
254 | ||
255 | if (actual_length) | |
256 | *actual_length = byteswritten; | |
257 | ||
258 | return retval; | |
259 | } | |
260 | ||
261 | /* 2. in-bulks */ | |
262 | ||
263 | /* completion callback */ | |
264 | ||
06e21efa | 265 | static void sisusb_bulk_completein(struct urb *urb) |
1da177e4 LT |
266 | { |
267 | struct sisusb_usb_data *sisusb = urb->context; | |
268 | ||
269 | if (!sisusb || !sisusb->sisusb_dev || !sisusb->present) | |
270 | return; | |
271 | ||
272 | sisusb->completein = 1; | |
273 | wake_up(&sisusb->wait_q); | |
274 | } | |
275 | ||
06e21efa PST |
276 | static int sisusb_bulkin_msg(struct sisusb_usb_data *sisusb, |
277 | unsigned int pipe, void *data, int len, | |
278 | int *actual_length, int timeout, unsigned int tflags) | |
1da177e4 LT |
279 | { |
280 | struct urb *urb = sisusb->sisurbin; | |
281 | int retval, readbytes = 0; | |
282 | ||
283 | urb->transfer_flags = 0; | |
284 | ||
285 | usb_fill_bulk_urb(urb, sisusb->sisusb_dev, pipe, data, len, | |
286 | sisusb_bulk_completein, sisusb); | |
287 | ||
b375a049 | 288 | urb->transfer_flags |= tflags; |
1da177e4 LT |
289 | urb->actual_length = 0; |
290 | ||
1da177e4 | 291 | sisusb->completein = 0; |
444dc54c | 292 | retval = usb_submit_urb(urb, GFP_KERNEL); |
1da177e4 LT |
293 | if (retval == 0) { |
294 | wait_event_timeout(sisusb->wait_q, sisusb->completein, timeout); | |
295 | if (!sisusb->completein) { | |
296 | /* URB timed out... kill it and report error */ | |
297 | usb_kill_urb(urb); | |
298 | retval = -ETIMEDOUT; | |
299 | } else { | |
dc0d5c1e | 300 | /* URB completed within timeout */ |
1da177e4 LT |
301 | retval = urb->status; |
302 | readbytes = urb->actual_length; | |
303 | } | |
304 | } | |
305 | ||
306 | if (actual_length) | |
307 | *actual_length = readbytes; | |
308 | ||
309 | return retval; | |
310 | } | |
311 | ||
312 | ||
313 | /* Level 1: */ | |
314 | ||
315 | /* Send a bulk message of variable size | |
316 | * | |
317 | * To copy the data from userspace, give pointer to "userbuffer", | |
318 | * to copy from (non-DMA) kernel memory, give "kernbuffer". If | |
319 | * both of these are NULL, it is assumed, that the transfer | |
320 | * buffer "sisusb->obuf[index]" is set up with the data to send. | |
321 | * Index is ignored if either kernbuffer or userbuffer is set. | |
322 | * If async is nonzero, URBs will be sent without waiting for | |
323 | * completion of the previous URB. | |
324 | * | |
325 | * (return 0 on success) | |
326 | */ | |
327 | ||
328 | static int sisusb_send_bulk_msg(struct sisusb_usb_data *sisusb, int ep, int len, | |
329 | char *kernbuffer, const char __user *userbuffer, int index, | |
330 | ssize_t *bytes_written, unsigned int tflags, int async) | |
331 | { | |
332 | int result = 0, retry, count = len; | |
333 | int passsize, thispass, transferred_len = 0; | |
334 | int fromuser = (userbuffer != NULL) ? 1 : 0; | |
335 | int fromkern = (kernbuffer != NULL) ? 1 : 0; | |
336 | unsigned int pipe; | |
337 | char *buffer; | |
338 | ||
339 | (*bytes_written) = 0; | |
340 | ||
341 | /* Sanity check */ | |
342 | if (!sisusb || !sisusb->present || !sisusb->sisusb_dev) | |
343 | return -ENODEV; | |
344 | ||
345 | /* If we copy data from kernel or userspace, force the | |
346 | * allocation of a buffer/urb. If we have the data in | |
347 | * the transfer buffer[index] already, reuse the buffer/URB | |
348 | * if the length is > buffer size. (So, transmitting | |
349 | * large data amounts directly from the transfer buffer | |
350 | * treats the buffer as a ring buffer. However, we need | |
351 | * to sync in this case.) | |
352 | */ | |
353 | if (fromuser || fromkern) | |
354 | index = -1; | |
355 | else if (len > sisusb->obufsize) | |
356 | async = 0; | |
357 | ||
358 | pipe = usb_sndbulkpipe(sisusb->sisusb_dev, ep); | |
359 | ||
360 | do { | |
361 | passsize = thispass = (sisusb->obufsize < count) ? | |
f74a039c | 362 | sisusb->obufsize : count; |
1da177e4 LT |
363 | |
364 | if (index < 0) | |
365 | index = sisusb_get_free_outbuf(sisusb); | |
366 | ||
367 | if (index < 0) | |
368 | return -EIO; | |
369 | ||
370 | buffer = sisusb->obuf[index]; | |
371 | ||
372 | if (fromuser) { | |
373 | ||
374 | if (copy_from_user(buffer, userbuffer, passsize)) | |
375 | return -EFAULT; | |
376 | ||
377 | userbuffer += passsize; | |
378 | ||
379 | } else if (fromkern) { | |
380 | ||
381 | memcpy(buffer, kernbuffer, passsize); | |
382 | kernbuffer += passsize; | |
383 | ||
384 | } | |
385 | ||
386 | retry = 5; | |
387 | while (thispass) { | |
388 | ||
389 | if (!sisusb->sisusb_dev) | |
390 | return -ENODEV; | |
391 | ||
06e21efa PST |
392 | result = sisusb_bulkout_msg(sisusb, index, pipe, |
393 | buffer, thispass, &transferred_len, | |
394 | async ? 0 : 5 * HZ, tflags); | |
1da177e4 LT |
395 | |
396 | if (result == -ETIMEDOUT) { | |
397 | ||
398 | /* Will not happen if async */ | |
399 | if (!retry--) | |
400 | return -ETIME; | |
401 | ||
402 | continue; | |
d2fb1bb3 | 403 | } |
1da177e4 | 404 | |
d2fb1bb3 | 405 | if ((result == 0) && !async && transferred_len) { |
1da177e4 LT |
406 | |
407 | thispass -= transferred_len; | |
d2fb1bb3 | 408 | buffer += transferred_len; |
1da177e4 LT |
409 | |
410 | } else | |
411 | break; | |
d2fb1bb3 | 412 | } |
1da177e4 LT |
413 | |
414 | if (result) | |
415 | return result; | |
416 | ||
417 | (*bytes_written) += passsize; | |
418 | count -= passsize; | |
419 | ||
420 | /* Force new allocation in next iteration */ | |
421 | if (fromuser || fromkern) | |
422 | index = -1; | |
423 | ||
424 | } while (count > 0); | |
425 | ||
426 | if (async) { | |
427 | #ifdef SISUSB_DONTSYNC | |
428 | (*bytes_written) = len; | |
429 | /* Some URBs/buffers might be busy */ | |
430 | #else | |
431 | sisusb_wait_all_out_complete(sisusb); | |
432 | (*bytes_written) = transferred_len; | |
433 | /* All URBs and all buffers are available */ | |
434 | #endif | |
435 | } | |
436 | ||
437 | return ((*bytes_written) == len) ? 0 : -EIO; | |
438 | } | |
439 | ||
440 | /* Receive a bulk message of variable size | |
441 | * | |
442 | * To copy the data to userspace, give pointer to "userbuffer", | |
443 | * to copy to kernel memory, give "kernbuffer". One of them | |
444 | * MUST be set. (There is no technique for letting the caller | |
445 | * read directly from the ibuf.) | |
446 | * | |
447 | */ | |
448 | ||
449 | static int sisusb_recv_bulk_msg(struct sisusb_usb_data *sisusb, int ep, int len, | |
450 | void *kernbuffer, char __user *userbuffer, ssize_t *bytes_read, | |
451 | unsigned int tflags) | |
452 | { | |
453 | int result = 0, retry, count = len; | |
454 | int bufsize, thispass, transferred_len; | |
455 | unsigned int pipe; | |
456 | char *buffer; | |
457 | ||
458 | (*bytes_read) = 0; | |
459 | ||
460 | /* Sanity check */ | |
461 | if (!sisusb || !sisusb->present || !sisusb->sisusb_dev) | |
462 | return -ENODEV; | |
463 | ||
464 | pipe = usb_rcvbulkpipe(sisusb->sisusb_dev, ep); | |
465 | buffer = sisusb->ibuf; | |
466 | bufsize = sisusb->ibufsize; | |
467 | ||
468 | retry = 5; | |
469 | ||
470 | #ifdef SISUSB_DONTSYNC | |
471 | if (!(sisusb_wait_all_out_complete(sisusb))) | |
472 | return -EIO; | |
473 | #endif | |
474 | ||
475 | while (count > 0) { | |
476 | ||
477 | if (!sisusb->sisusb_dev) | |
478 | return -ENODEV; | |
479 | ||
480 | thispass = (bufsize < count) ? bufsize : count; | |
481 | ||
06e21efa PST |
482 | result = sisusb_bulkin_msg(sisusb, pipe, buffer, thispass, |
483 | &transferred_len, 5 * HZ, tflags); | |
1da177e4 LT |
484 | |
485 | if (transferred_len) | |
486 | thispass = transferred_len; | |
487 | ||
488 | else if (result == -ETIMEDOUT) { | |
489 | ||
490 | if (!retry--) | |
491 | return -ETIME; | |
492 | ||
493 | continue; | |
494 | ||
495 | } else | |
496 | return -EIO; | |
497 | ||
498 | ||
499 | if (thispass) { | |
500 | ||
501 | (*bytes_read) += thispass; | |
502 | count -= thispass; | |
503 | ||
504 | if (userbuffer) { | |
505 | ||
506 | if (copy_to_user(userbuffer, buffer, thispass)) | |
507 | return -EFAULT; | |
508 | ||
509 | userbuffer += thispass; | |
510 | ||
511 | } else { | |
512 | ||
513 | memcpy(kernbuffer, buffer, thispass); | |
514 | kernbuffer += thispass; | |
515 | ||
516 | } | |
517 | ||
518 | } | |
519 | ||
520 | } | |
521 | ||
522 | return ((*bytes_read) == len) ? 0 : -EIO; | |
523 | } | |
524 | ||
525 | static int sisusb_send_packet(struct sisusb_usb_data *sisusb, int len, | |
f74a039c | 526 | struct sisusb_packet *packet) |
1da177e4 LT |
527 | { |
528 | int ret; | |
529 | ssize_t bytes_transferred = 0; | |
530 | __le32 tmp; | |
531 | ||
532 | if (len == 6) | |
533 | packet->data = 0; | |
534 | ||
535 | #ifdef SISUSB_DONTSYNC | |
536 | if (!(sisusb_wait_all_out_complete(sisusb))) | |
537 | return 1; | |
538 | #endif | |
539 | ||
540 | /* Eventually correct endianness */ | |
541 | SISUSB_CORRECT_ENDIANNESS_PACKET(packet); | |
542 | ||
543 | /* 1. send the packet */ | |
544 | ret = sisusb_send_bulk_msg(sisusb, SISUSB_EP_GFX_OUT, len, | |
545 | (char *)packet, NULL, 0, &bytes_transferred, 0, 0); | |
546 | ||
547 | if ((ret == 0) && (len == 6)) { | |
548 | ||
549 | /* 2. if packet len == 6, it means we read, so wait for 32bit | |
550 | * return value and write it to packet->data | |
551 | */ | |
552 | ret = sisusb_recv_bulk_msg(sisusb, SISUSB_EP_GFX_IN, 4, | |
553 | (char *)&tmp, NULL, &bytes_transferred, 0); | |
554 | ||
555 | packet->data = le32_to_cpu(tmp); | |
556 | } | |
557 | ||
558 | return ret; | |
559 | } | |
560 | ||
561 | static int sisusb_send_bridge_packet(struct sisusb_usb_data *sisusb, int len, | |
06e21efa | 562 | struct sisusb_packet *packet, unsigned int tflags) |
1da177e4 LT |
563 | { |
564 | int ret; | |
565 | ssize_t bytes_transferred = 0; | |
566 | __le32 tmp; | |
567 | ||
568 | if (len == 6) | |
569 | packet->data = 0; | |
570 | ||
571 | #ifdef SISUSB_DONTSYNC | |
572 | if (!(sisusb_wait_all_out_complete(sisusb))) | |
573 | return 1; | |
574 | #endif | |
575 | ||
576 | /* Eventually correct endianness */ | |
577 | SISUSB_CORRECT_ENDIANNESS_PACKET(packet); | |
578 | ||
579 | /* 1. send the packet */ | |
580 | ret = sisusb_send_bulk_msg(sisusb, SISUSB_EP_BRIDGE_OUT, len, | |
581 | (char *)packet, NULL, 0, &bytes_transferred, tflags, 0); | |
582 | ||
583 | if ((ret == 0) && (len == 6)) { | |
584 | ||
585 | /* 2. if packet len == 6, it means we read, so wait for 32bit | |
586 | * return value and write it to packet->data | |
587 | */ | |
588 | ret = sisusb_recv_bulk_msg(sisusb, SISUSB_EP_BRIDGE_IN, 4, | |
589 | (char *)&tmp, NULL, &bytes_transferred, 0); | |
590 | ||
591 | packet->data = le32_to_cpu(tmp); | |
592 | } | |
593 | ||
594 | return ret; | |
595 | } | |
596 | ||
597 | /* access video memory and mmio (return 0 on success) */ | |
598 | ||
599 | /* Low level */ | |
600 | ||
601 | /* The following routines assume being used to transfer byte, word, | |
602 | * long etc. | |
1bbb4f20 TW |
603 | * This means that |
604 | * - the write routines expect "data" in machine endianness format. | |
605 | * The data will be converted to leXX in sisusb_xxx_packet. | |
606 | * - the read routines can expect read data in machine-endianess. | |
1da177e4 LT |
607 | */ |
608 | ||
609 | static int sisusb_write_memio_byte(struct sisusb_usb_data *sisusb, int type, | |
f74a039c | 610 | u32 addr, u8 data) |
1da177e4 LT |
611 | { |
612 | struct sisusb_packet packet; | |
613 | int ret; | |
614 | ||
615 | packet.header = (1 << (addr & 3)) | (type << 6); | |
616 | packet.address = addr & ~3; | |
617 | packet.data = data << ((addr & 3) << 3); | |
618 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
619 | return ret; | |
620 | } | |
621 | ||
622 | static int sisusb_write_memio_word(struct sisusb_usb_data *sisusb, int type, | |
f74a039c | 623 | u32 addr, u16 data) |
1da177e4 LT |
624 | { |
625 | struct sisusb_packet packet; | |
626 | int ret = 0; | |
627 | ||
628 | packet.address = addr & ~3; | |
629 | ||
630 | switch (addr & 3) { | |
f74a039c PST |
631 | case 0: |
632 | packet.header = (type << 6) | 0x0003; | |
633 | packet.data = (u32)data; | |
634 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
635 | break; | |
636 | case 1: | |
637 | packet.header = (type << 6) | 0x0006; | |
638 | packet.data = (u32)data << 8; | |
639 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
640 | break; | |
641 | case 2: | |
642 | packet.header = (type << 6) | 0x000c; | |
643 | packet.data = (u32)data << 16; | |
644 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
645 | break; | |
646 | case 3: | |
647 | packet.header = (type << 6) | 0x0008; | |
648 | packet.data = (u32)data << 24; | |
649 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
650 | packet.header = (type << 6) | 0x0001; | |
651 | packet.address = (addr & ~3) + 4; | |
652 | packet.data = (u32)data >> 8; | |
653 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
1da177e4 LT |
654 | } |
655 | ||
656 | return ret; | |
657 | } | |
658 | ||
659 | static int sisusb_write_memio_24bit(struct sisusb_usb_data *sisusb, int type, | |
f74a039c | 660 | u32 addr, u32 data) |
1da177e4 LT |
661 | { |
662 | struct sisusb_packet packet; | |
663 | int ret = 0; | |
664 | ||
665 | packet.address = addr & ~3; | |
666 | ||
667 | switch (addr & 3) { | |
f74a039c PST |
668 | case 0: |
669 | packet.header = (type << 6) | 0x0007; | |
670 | packet.data = data & 0x00ffffff; | |
671 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
672 | break; | |
673 | case 1: | |
674 | packet.header = (type << 6) | 0x000e; | |
675 | packet.data = data << 8; | |
676 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
677 | break; | |
678 | case 2: | |
679 | packet.header = (type << 6) | 0x000c; | |
680 | packet.data = data << 16; | |
681 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
682 | packet.header = (type << 6) | 0x0001; | |
683 | packet.address = (addr & ~3) + 4; | |
684 | packet.data = (data >> 16) & 0x00ff; | |
685 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
686 | break; | |
687 | case 3: | |
688 | packet.header = (type << 6) | 0x0008; | |
689 | packet.data = data << 24; | |
690 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
691 | packet.header = (type << 6) | 0x0003; | |
692 | packet.address = (addr & ~3) + 4; | |
693 | packet.data = (data >> 8) & 0xffff; | |
694 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
1da177e4 LT |
695 | } |
696 | ||
697 | return ret; | |
698 | } | |
699 | ||
700 | static int sisusb_write_memio_long(struct sisusb_usb_data *sisusb, int type, | |
f74a039c | 701 | u32 addr, u32 data) |
1da177e4 LT |
702 | { |
703 | struct sisusb_packet packet; | |
704 | int ret = 0; | |
705 | ||
706 | packet.address = addr & ~3; | |
707 | ||
708 | switch (addr & 3) { | |
f74a039c PST |
709 | case 0: |
710 | packet.header = (type << 6) | 0x000f; | |
711 | packet.data = data; | |
712 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
713 | break; | |
714 | case 1: | |
715 | packet.header = (type << 6) | 0x000e; | |
716 | packet.data = data << 8; | |
717 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
718 | packet.header = (type << 6) | 0x0001; | |
719 | packet.address = (addr & ~3) + 4; | |
720 | packet.data = data >> 24; | |
721 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
722 | break; | |
723 | case 2: | |
724 | packet.header = (type << 6) | 0x000c; | |
725 | packet.data = data << 16; | |
726 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
727 | packet.header = (type << 6) | 0x0003; | |
728 | packet.address = (addr & ~3) + 4; | |
729 | packet.data = data >> 16; | |
730 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
731 | break; | |
732 | case 3: | |
733 | packet.header = (type << 6) | 0x0008; | |
734 | packet.data = data << 24; | |
735 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
736 | packet.header = (type << 6) | 0x0007; | |
737 | packet.address = (addr & ~3) + 4; | |
738 | packet.data = data >> 8; | |
739 | ret |= sisusb_send_packet(sisusb, 10, &packet); | |
1da177e4 LT |
740 | } |
741 | ||
742 | return ret; | |
743 | } | |
744 | ||
745 | /* The xxx_bulk routines copy a buffer of variable size. They treat the | |
746 | * buffer as chars, therefore lsb/msb has to be corrected if using the | |
747 | * byte/word/long/etc routines for speed-up | |
748 | * | |
749 | * If data is from userland, set "userbuffer" (and clear "kernbuffer"), | |
750 | * if data is in kernel space, set "kernbuffer" (and clear "userbuffer"); | |
751 | * if neither "kernbuffer" nor "userbuffer" are given, it is assumed | |
752 | * that the data already is in the transfer buffer "sisusb->obuf[index]". | |
753 | */ | |
754 | ||
755 | static int sisusb_write_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr, | |
06e21efa PST |
756 | char *kernbuffer, int length, const char __user *userbuffer, |
757 | int index, ssize_t *bytes_written) | |
1da177e4 LT |
758 | { |
759 | struct sisusb_packet packet; | |
760 | int ret = 0; | |
f996c49d | 761 | static int msgcount; |
1da177e4 LT |
762 | u8 swap8, fromkern = kernbuffer ? 1 : 0; |
763 | u16 swap16; | |
764 | u32 swap32, flag = (length >> 28) & 1; | |
765 | char buf[4]; | |
766 | ||
767 | /* if neither kernbuffer not userbuffer are given, assume | |
768 | * data in obuf | |
769 | */ | |
770 | if (!fromkern && !userbuffer) | |
771 | kernbuffer = sisusb->obuf[index]; | |
772 | ||
773 | (*bytes_written = 0); | |
774 | ||
775 | length &= 0x00ffffff; | |
776 | ||
777 | while (length) { | |
f74a039c | 778 | switch (length) { |
1da177e4 LT |
779 | case 1: |
780 | if (userbuffer) { | |
781 | if (get_user(swap8, (u8 __user *)userbuffer)) | |
782 | return -EFAULT; | |
783 | } else | |
784 | swap8 = kernbuffer[0]; | |
785 | ||
06e21efa PST |
786 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_MEM, |
787 | addr, swap8); | |
1da177e4 LT |
788 | |
789 | if (!ret) | |
790 | (*bytes_written)++; | |
791 | ||
792 | return ret; | |
793 | ||
794 | case 2: | |
795 | if (userbuffer) { | |
796 | if (get_user(swap16, (u16 __user *)userbuffer)) | |
797 | return -EFAULT; | |
798 | } else | |
1bbb4f20 | 799 | swap16 = *((u16 *)kernbuffer); |
1da177e4 | 800 | |
06e21efa PST |
801 | ret = sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, |
802 | addr, swap16); | |
1da177e4 LT |
803 | |
804 | if (!ret) | |
805 | (*bytes_written) += 2; | |
806 | ||
807 | return ret; | |
808 | ||
809 | case 3: | |
810 | if (userbuffer) { | |
811 | if (copy_from_user(&buf, userbuffer, 3)) | |
812 | return -EFAULT; | |
1bbb4f20 | 813 | #ifdef __BIG_ENDIAN |
1da177e4 LT |
814 | swap32 = (buf[0] << 16) | |
815 | (buf[1] << 8) | | |
816 | buf[2]; | |
1bbb4f20 TW |
817 | #else |
818 | swap32 = (buf[2] << 16) | | |
819 | (buf[1] << 8) | | |
820 | buf[0]; | |
821 | #endif | |
1da177e4 | 822 | } else |
1bbb4f20 | 823 | #ifdef __BIG_ENDIAN |
1da177e4 LT |
824 | swap32 = (kernbuffer[0] << 16) | |
825 | (kernbuffer[1] << 8) | | |
826 | kernbuffer[2]; | |
1bbb4f20 TW |
827 | #else |
828 | swap32 = (kernbuffer[2] << 16) | | |
829 | (kernbuffer[1] << 8) | | |
830 | kernbuffer[0]; | |
831 | #endif | |
1da177e4 | 832 | |
06e21efa PST |
833 | ret = sisusb_write_memio_24bit(sisusb, SISUSB_TYPE_MEM, |
834 | addr, swap32); | |
1da177e4 LT |
835 | |
836 | if (!ret) | |
837 | (*bytes_written) += 3; | |
838 | ||
839 | return ret; | |
840 | ||
841 | case 4: | |
842 | if (userbuffer) { | |
843 | if (get_user(swap32, (u32 __user *)userbuffer)) | |
844 | return -EFAULT; | |
845 | } else | |
1bbb4f20 | 846 | swap32 = *((u32 *)kernbuffer); |
1da177e4 | 847 | |
06e21efa PST |
848 | ret = sisusb_write_memio_long(sisusb, SISUSB_TYPE_MEM, |
849 | addr, swap32); | |
1da177e4 LT |
850 | if (!ret) |
851 | (*bytes_written) += 4; | |
852 | ||
853 | return ret; | |
854 | ||
855 | default: | |
856 | if ((length & ~3) > 0x10000) { | |
857 | ||
f74a039c PST |
858 | packet.header = 0x001f; |
859 | packet.address = 0x000001d4; | |
860 | packet.data = addr; | |
861 | ret = sisusb_send_bridge_packet(sisusb, 10, | |
862 | &packet, 0); | |
863 | packet.header = 0x001f; | |
864 | packet.address = 0x000001d0; | |
865 | packet.data = (length & ~3); | |
866 | ret |= sisusb_send_bridge_packet(sisusb, 10, | |
867 | &packet, 0); | |
868 | packet.header = 0x001f; | |
869 | packet.address = 0x000001c0; | |
870 | packet.data = flag | 0x16; | |
871 | ret |= sisusb_send_bridge_packet(sisusb, 10, | |
872 | &packet, 0); | |
873 | if (userbuffer) { | |
874 | ret |= sisusb_send_bulk_msg(sisusb, | |
1da177e4 LT |
875 | SISUSB_EP_GFX_LBULK_OUT, |
876 | (length & ~3), | |
877 | NULL, userbuffer, 0, | |
878 | bytes_written, 0, 1); | |
f74a039c PST |
879 | userbuffer += (*bytes_written); |
880 | } else if (fromkern) { | |
881 | ret |= sisusb_send_bulk_msg(sisusb, | |
1da177e4 LT |
882 | SISUSB_EP_GFX_LBULK_OUT, |
883 | (length & ~3), | |
884 | kernbuffer, NULL, 0, | |
885 | bytes_written, 0, 1); | |
f74a039c PST |
886 | kernbuffer += (*bytes_written); |
887 | } else { | |
888 | ret |= sisusb_send_bulk_msg(sisusb, | |
1da177e4 LT |
889 | SISUSB_EP_GFX_LBULK_OUT, |
890 | (length & ~3), | |
891 | NULL, NULL, index, | |
892 | bytes_written, 0, 1); | |
f74a039c PST |
893 | kernbuffer += ((*bytes_written) & |
894 | (sisusb->obufsize-1)); | |
895 | } | |
1da177e4 LT |
896 | |
897 | } else { | |
898 | ||
1da177e4 | 899 | packet.header = 0x001f; |
f74a039c PST |
900 | packet.address = 0x00000194; |
901 | packet.data = addr; | |
902 | ret = sisusb_send_bridge_packet(sisusb, 10, | |
903 | &packet, 0); | |
904 | packet.header = 0x001f; | |
905 | packet.address = 0x00000190; | |
906 | packet.data = (length & ~3); | |
1da177e4 | 907 | ret |= sisusb_send_bridge_packet(sisusb, 10, |
f74a039c PST |
908 | &packet, 0); |
909 | if (sisusb->flagb0 != 0x16) { | |
910 | packet.header = 0x001f; | |
911 | packet.address = 0x00000180; | |
912 | packet.data = flag | 0x16; | |
913 | ret |= sisusb_send_bridge_packet(sisusb, | |
914 | 10, &packet, 0); | |
915 | sisusb->flagb0 = 0x16; | |
916 | } | |
917 | if (userbuffer) { | |
918 | ret |= sisusb_send_bulk_msg(sisusb, | |
1da177e4 LT |
919 | SISUSB_EP_GFX_BULK_OUT, |
920 | (length & ~3), | |
921 | NULL, userbuffer, 0, | |
922 | bytes_written, 0, 1); | |
f74a039c PST |
923 | userbuffer += (*bytes_written); |
924 | } else if (fromkern) { | |
925 | ret |= sisusb_send_bulk_msg(sisusb, | |
1da177e4 LT |
926 | SISUSB_EP_GFX_BULK_OUT, |
927 | (length & ~3), | |
928 | kernbuffer, NULL, 0, | |
929 | bytes_written, 0, 1); | |
f74a039c PST |
930 | kernbuffer += (*bytes_written); |
931 | } else { | |
932 | ret |= sisusb_send_bulk_msg(sisusb, | |
1da177e4 LT |
933 | SISUSB_EP_GFX_BULK_OUT, |
934 | (length & ~3), | |
935 | NULL, NULL, index, | |
936 | bytes_written, 0, 1); | |
f74a039c PST |
937 | kernbuffer += ((*bytes_written) & |
938 | (sisusb->obufsize-1)); | |
939 | } | |
1da177e4 LT |
940 | } |
941 | if (ret) { | |
942 | msgcount++; | |
943 | if (msgcount < 500) | |
06e21efa PST |
944 | dev_err(&sisusb->sisusb_dev->dev, |
945 | "Wrote %zd of %d bytes, error %d\n", | |
946 | *bytes_written, length, | |
947 | ret); | |
1da177e4 | 948 | else if (msgcount == 500) |
06e21efa PST |
949 | dev_err(&sisusb->sisusb_dev->dev, |
950 | "Too many errors, logging stopped\n"); | |
1da177e4 LT |
951 | } |
952 | addr += (*bytes_written); | |
953 | length -= (*bytes_written); | |
f74a039c | 954 | } |
1da177e4 | 955 | |
f74a039c PST |
956 | if (ret) |
957 | break; | |
1da177e4 LT |
958 | |
959 | } | |
960 | ||
961 | return ret ? -EIO : 0; | |
962 | } | |
963 | ||
1bbb4f20 TW |
964 | /* Remember: Read data in packet is in machine-endianess! So for |
965 | * byte, word, 24bit, long no endian correction is necessary. | |
966 | */ | |
967 | ||
1da177e4 | 968 | static int sisusb_read_memio_byte(struct sisusb_usb_data *sisusb, int type, |
f74a039c | 969 | u32 addr, u8 *data) |
1da177e4 LT |
970 | { |
971 | struct sisusb_packet packet; | |
972 | int ret; | |
973 | ||
974 | CLEARPACKET(&packet); | |
975 | packet.header = (1 << (addr & 3)) | (type << 6); | |
976 | packet.address = addr & ~3; | |
977 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
978 | *data = (u8)(packet.data >> ((addr & 3) << 3)); | |
979 | return ret; | |
980 | } | |
981 | ||
982 | static int sisusb_read_memio_word(struct sisusb_usb_data *sisusb, int type, | |
f74a039c | 983 | u32 addr, u16 *data) |
1da177e4 LT |
984 | { |
985 | struct sisusb_packet packet; | |
986 | int ret = 0; | |
987 | ||
988 | CLEARPACKET(&packet); | |
989 | ||
990 | packet.address = addr & ~3; | |
991 | ||
992 | switch (addr & 3) { | |
f74a039c PST |
993 | case 0: |
994 | packet.header = (type << 6) | 0x0003; | |
995 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
996 | *data = (u16)(packet.data); | |
997 | break; | |
998 | case 1: | |
999 | packet.header = (type << 6) | 0x0006; | |
1000 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1001 | *data = (u16)(packet.data >> 8); | |
1002 | break; | |
1003 | case 2: | |
1004 | packet.header = (type << 6) | 0x000c; | |
1005 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1006 | *data = (u16)(packet.data >> 16); | |
1007 | break; | |
1008 | case 3: | |
1009 | packet.header = (type << 6) | 0x0008; | |
1010 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1011 | *data = (u16)(packet.data >> 24); | |
1012 | packet.header = (type << 6) | 0x0001; | |
1013 | packet.address = (addr & ~3) + 4; | |
1014 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1015 | *data |= (u16)(packet.data << 8); | |
1da177e4 LT |
1016 | } |
1017 | ||
1018 | return ret; | |
1019 | } | |
1020 | ||
1021 | static int sisusb_read_memio_24bit(struct sisusb_usb_data *sisusb, int type, | |
f74a039c | 1022 | u32 addr, u32 *data) |
1da177e4 LT |
1023 | { |
1024 | struct sisusb_packet packet; | |
1025 | int ret = 0; | |
1026 | ||
1027 | packet.address = addr & ~3; | |
1028 | ||
1029 | switch (addr & 3) { | |
f74a039c PST |
1030 | case 0: |
1031 | packet.header = (type << 6) | 0x0007; | |
1032 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1033 | *data = packet.data & 0x00ffffff; | |
1034 | break; | |
1035 | case 1: | |
1036 | packet.header = (type << 6) | 0x000e; | |
1037 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1038 | *data = packet.data >> 8; | |
1039 | break; | |
1040 | case 2: | |
1041 | packet.header = (type << 6) | 0x000c; | |
1042 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1043 | *data = packet.data >> 16; | |
1044 | packet.header = (type << 6) | 0x0001; | |
1045 | packet.address = (addr & ~3) + 4; | |
1046 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1047 | *data |= ((packet.data & 0xff) << 16); | |
1048 | break; | |
1049 | case 3: | |
1050 | packet.header = (type << 6) | 0x0008; | |
1051 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1052 | *data = packet.data >> 24; | |
1053 | packet.header = (type << 6) | 0x0003; | |
1054 | packet.address = (addr & ~3) + 4; | |
1055 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1056 | *data |= ((packet.data & 0xffff) << 8); | |
1da177e4 LT |
1057 | } |
1058 | ||
1059 | return ret; | |
1060 | } | |
1061 | ||
1062 | static int sisusb_read_memio_long(struct sisusb_usb_data *sisusb, int type, | |
f74a039c | 1063 | u32 addr, u32 *data) |
1da177e4 LT |
1064 | { |
1065 | struct sisusb_packet packet; | |
1066 | int ret = 0; | |
1067 | ||
1068 | packet.address = addr & ~3; | |
1069 | ||
1070 | switch (addr & 3) { | |
f74a039c PST |
1071 | case 0: |
1072 | packet.header = (type << 6) | 0x000f; | |
1073 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1074 | *data = packet.data; | |
1075 | break; | |
1076 | case 1: | |
1077 | packet.header = (type << 6) | 0x000e; | |
1078 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1079 | *data = packet.data >> 8; | |
1080 | packet.header = (type << 6) | 0x0001; | |
1081 | packet.address = (addr & ~3) + 4; | |
1082 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1083 | *data |= (packet.data << 24); | |
1084 | break; | |
1085 | case 2: | |
1086 | packet.header = (type << 6) | 0x000c; | |
1087 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1088 | *data = packet.data >> 16; | |
1089 | packet.header = (type << 6) | 0x0003; | |
1090 | packet.address = (addr & ~3) + 4; | |
1091 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1092 | *data |= (packet.data << 16); | |
1093 | break; | |
1094 | case 3: | |
1095 | packet.header = (type << 6) | 0x0008; | |
1096 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1097 | *data = packet.data >> 24; | |
1098 | packet.header = (type << 6) | 0x0007; | |
1099 | packet.address = (addr & ~3) + 4; | |
1100 | ret |= sisusb_send_packet(sisusb, 6, &packet); | |
1101 | *data |= (packet.data << 8); | |
1da177e4 LT |
1102 | } |
1103 | ||
1104 | return ret; | |
1105 | } | |
1106 | ||
1107 | static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr, | |
06e21efa PST |
1108 | char *kernbuffer, int length, char __user *userbuffer, |
1109 | ssize_t *bytes_read) | |
1da177e4 LT |
1110 | { |
1111 | int ret = 0; | |
1112 | char buf[4]; | |
1113 | u16 swap16; | |
1114 | u32 swap32; | |
1115 | ||
1116 | (*bytes_read = 0); | |
1117 | ||
1118 | length &= 0x00ffffff; | |
1119 | ||
1120 | while (length) { | |
f74a039c | 1121 | switch (length) { |
1da177e4 | 1122 | case 1: |
1da177e4 | 1123 | ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, |
f74a039c | 1124 | addr, &buf[0]); |
1da177e4 LT |
1125 | if (!ret) { |
1126 | (*bytes_read)++; | |
1127 | if (userbuffer) { | |
f996c49d | 1128 | if (put_user(buf[0], (u8 __user *)userbuffer)) |
1da177e4 | 1129 | return -EFAULT; |
f996c49d | 1130 | } else |
1da177e4 | 1131 | kernbuffer[0] = buf[0]; |
1da177e4 LT |
1132 | } |
1133 | return ret; | |
1134 | ||
1135 | case 2: | |
1136 | ret |= sisusb_read_memio_word(sisusb, SISUSB_TYPE_MEM, | |
f74a039c | 1137 | addr, &swap16); |
1da177e4 LT |
1138 | if (!ret) { |
1139 | (*bytes_read) += 2; | |
1140 | if (userbuffer) { | |
06e21efa | 1141 | if (put_user(swap16, (u16 __user *)userbuffer)) |
1da177e4 LT |
1142 | return -EFAULT; |
1143 | } else { | |
1bbb4f20 | 1144 | *((u16 *)kernbuffer) = swap16; |
1da177e4 LT |
1145 | } |
1146 | } | |
1147 | return ret; | |
1148 | ||
1149 | case 3: | |
1150 | ret |= sisusb_read_memio_24bit(sisusb, SISUSB_TYPE_MEM, | |
f74a039c | 1151 | addr, &swap32); |
1da177e4 LT |
1152 | if (!ret) { |
1153 | (*bytes_read) += 3; | |
1bbb4f20 | 1154 | #ifdef __BIG_ENDIAN |
1da177e4 LT |
1155 | buf[0] = (swap32 >> 16) & 0xff; |
1156 | buf[1] = (swap32 >> 8) & 0xff; | |
1157 | buf[2] = swap32 & 0xff; | |
1bbb4f20 TW |
1158 | #else |
1159 | buf[2] = (swap32 >> 16) & 0xff; | |
1160 | buf[1] = (swap32 >> 8) & 0xff; | |
1161 | buf[0] = swap32 & 0xff; | |
1162 | #endif | |
1da177e4 | 1163 | if (userbuffer) { |
06e21efa PST |
1164 | if (copy_to_user(userbuffer, |
1165 | &buf[0], 3)) | |
1da177e4 LT |
1166 | return -EFAULT; |
1167 | } else { | |
1168 | kernbuffer[0] = buf[0]; | |
1169 | kernbuffer[1] = buf[1]; | |
1170 | kernbuffer[2] = buf[2]; | |
1171 | } | |
1172 | } | |
1173 | return ret; | |
1174 | ||
1175 | default: | |
1176 | ret |= sisusb_read_memio_long(sisusb, SISUSB_TYPE_MEM, | |
f74a039c | 1177 | addr, &swap32); |
1da177e4 LT |
1178 | if (!ret) { |
1179 | (*bytes_read) += 4; | |
1180 | if (userbuffer) { | |
06e21efa | 1181 | if (put_user(swap32, (u32 __user *)userbuffer)) |
1da177e4 LT |
1182 | return -EFAULT; |
1183 | ||
1184 | userbuffer += 4; | |
1185 | } else { | |
1bbb4f20 | 1186 | *((u32 *)kernbuffer) = swap32; |
1da177e4 LT |
1187 | kernbuffer += 4; |
1188 | } | |
1189 | addr += 4; | |
1190 | length -= 4; | |
1191 | } | |
f74a039c PST |
1192 | } |
1193 | if (ret) | |
1194 | break; | |
1da177e4 LT |
1195 | } |
1196 | ||
1197 | return ret; | |
1198 | } | |
1199 | ||
1200 | /* High level: Gfx (indexed) register access */ | |
1201 | ||
1bbb4f20 | 1202 | #ifdef INCL_SISUSB_CON |
06e21efa | 1203 | int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data) |
1bbb4f20 TW |
1204 | { |
1205 | return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); | |
1206 | } | |
1207 | ||
06e21efa | 1208 | int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data) |
1bbb4f20 TW |
1209 | { |
1210 | return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); | |
1211 | } | |
1212 | #endif | |
1213 | ||
06e21efa PST |
1214 | int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, |
1215 | u8 index, u8 data) | |
1da177e4 LT |
1216 | { |
1217 | int ret; | |
06e21efa | 1218 | |
1da177e4 LT |
1219 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, index); |
1220 | ret |= sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, data); | |
1221 | return ret; | |
1222 | } | |
1223 | ||
06e21efa PST |
1224 | int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, |
1225 | u8 index, u8 *data) | |
1da177e4 LT |
1226 | { |
1227 | int ret; | |
06e21efa | 1228 | |
1da177e4 LT |
1229 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, index); |
1230 | ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, data); | |
1231 | return ret; | |
1232 | } | |
1233 | ||
06e21efa PST |
1234 | int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx, |
1235 | u8 myand, u8 myor) | |
1da177e4 LT |
1236 | { |
1237 | int ret; | |
1238 | u8 tmp; | |
1239 | ||
1240 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, idx); | |
1241 | ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, &tmp); | |
1242 | tmp &= myand; | |
1243 | tmp |= myor; | |
1244 | ret |= sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, tmp); | |
1245 | return ret; | |
1246 | } | |
1247 | ||
06e21efa PST |
1248 | static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb, |
1249 | int port, u8 idx, u8 data, u8 mask) | |
1da177e4 LT |
1250 | { |
1251 | int ret; | |
1252 | u8 tmp; | |
06e21efa | 1253 | |
1da177e4 LT |
1254 | ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, idx); |
1255 | ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, &tmp); | |
1256 | tmp &= ~(mask); | |
1257 | tmp |= (data & mask); | |
1258 | ret |= sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port + 1, tmp); | |
1259 | return ret; | |
1260 | } | |
1261 | ||
06e21efa PST |
1262 | int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, |
1263 | u8 index, u8 myor) | |
1da177e4 | 1264 | { |
f996c49d | 1265 | return sisusb_setidxregandor(sisusb, port, index, 0xff, myor); |
1da177e4 LT |
1266 | } |
1267 | ||
06e21efa PST |
1268 | int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, |
1269 | u8 idx, u8 myand) | |
1da177e4 | 1270 | { |
f996c49d | 1271 | return sisusb_setidxregandor(sisusb, port, idx, myand, 0x00); |
1da177e4 LT |
1272 | } |
1273 | ||
1bbb4f20 TW |
1274 | /* Write/read video ram */ |
1275 | ||
1276 | #ifdef INCL_SISUSB_CON | |
06e21efa | 1277 | int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data) |
1bbb4f20 | 1278 | { |
f996c49d | 1279 | return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data); |
1bbb4f20 TW |
1280 | } |
1281 | ||
06e21efa | 1282 | int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data) |
1bbb4f20 | 1283 | { |
f996c49d | 1284 | return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data); |
1bbb4f20 TW |
1285 | } |
1286 | ||
06e21efa | 1287 | int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src, |
3cc5be77 | 1288 | u32 dest, int length) |
1bbb4f20 | 1289 | { |
3cc5be77 JS |
1290 | size_t dummy; |
1291 | ||
f996c49d | 1292 | return sisusb_write_mem_bulk(sisusb, dest, src, length, |
3cc5be77 | 1293 | NULL, 0, &dummy); |
1bbb4f20 TW |
1294 | } |
1295 | ||
1296 | #ifdef SISUSBENDIANTEST | |
3cc5be77 JS |
1297 | static int sisusb_read_memory(struct sisusb_usb_data *sisusb, char *dest, |
1298 | u32 src, int length) | |
1bbb4f20 | 1299 | { |
3cc5be77 JS |
1300 | size_t dummy; |
1301 | ||
f996c49d | 1302 | return sisusb_read_mem_bulk(sisusb, src, dest, length, |
3cc5be77 | 1303 | NULL, &dummy); |
1bbb4f20 TW |
1304 | } |
1305 | #endif | |
1306 | #endif | |
1307 | ||
1308 | #ifdef SISUSBENDIANTEST | |
06e21efa | 1309 | static void sisusb_testreadwrite(struct sisusb_usb_data *sisusb) |
1bbb4f20 | 1310 | { |
f74a039c PST |
1311 | static char srcbuffer[] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 }; |
1312 | char destbuffer[10]; | |
f74a039c PST |
1313 | int i, j; |
1314 | ||
3cc5be77 | 1315 | sisusb_copy_memory(sisusb, srcbuffer, sisusb->vrambase, 7); |
f74a039c PST |
1316 | |
1317 | for (i = 1; i <= 7; i++) { | |
1318 | dev_dbg(&sisusb->sisusb_dev->dev, | |
1319 | "sisusb: rwtest %d bytes\n", i); | |
3cc5be77 | 1320 | sisusb_read_memory(sisusb, destbuffer, sisusb->vrambase, i); |
f74a039c PST |
1321 | for (j = 0; j < i; j++) { |
1322 | dev_dbg(&sisusb->sisusb_dev->dev, | |
1323 | "rwtest read[%d] = %x\n", | |
1324 | j, destbuffer[j]); | |
1325 | } | |
1bbb4f20 | 1326 | } |
1bbb4f20 TW |
1327 | } |
1328 | #endif | |
1329 | ||
1da177e4 LT |
1330 | /* access pci config registers (reg numbers 0, 4, 8, etc) */ |
1331 | ||
06e21efa PST |
1332 | static int sisusb_write_pci_config(struct sisusb_usb_data *sisusb, |
1333 | int regnum, u32 data) | |
1da177e4 LT |
1334 | { |
1335 | struct sisusb_packet packet; | |
1336 | int ret; | |
1337 | ||
1338 | packet.header = 0x008f; | |
1339 | packet.address = regnum | 0x10000; | |
1340 | packet.data = data; | |
1341 | ret = sisusb_send_packet(sisusb, 10, &packet); | |
1342 | return ret; | |
1343 | } | |
1344 | ||
06e21efa PST |
1345 | static int sisusb_read_pci_config(struct sisusb_usb_data *sisusb, |
1346 | int regnum, u32 *data) | |
1da177e4 LT |
1347 | { |
1348 | struct sisusb_packet packet; | |
1349 | int ret; | |
1350 | ||
1351 | packet.header = 0x008f; | |
1352 | packet.address = (u32)regnum | 0x10000; | |
1353 | ret = sisusb_send_packet(sisusb, 6, &packet); | |
1354 | *data = packet.data; | |
1355 | return ret; | |
1356 | } | |
1357 | ||
1358 | /* Clear video RAM */ | |
1359 | ||
06e21efa PST |
1360 | static int sisusb_clear_vram(struct sisusb_usb_data *sisusb, |
1361 | u32 address, int length) | |
1da177e4 LT |
1362 | { |
1363 | int ret, i; | |
1364 | ssize_t j; | |
1365 | ||
1366 | if (address < sisusb->vrambase) | |
1367 | return 1; | |
1368 | ||
1369 | if (address >= sisusb->vrambase + sisusb->vramsize) | |
1370 | return 1; | |
1371 | ||
1372 | if (address + length > sisusb->vrambase + sisusb->vramsize) | |
1373 | length = sisusb->vrambase + sisusb->vramsize - address; | |
1374 | ||
1375 | if (length <= 0) | |
1376 | return 0; | |
1377 | ||
1378 | /* allocate free buffer/urb and clear the buffer */ | |
662bfe7b PST |
1379 | i = sisusb_alloc_outbuf(sisusb); |
1380 | if (i < 0) | |
1da177e4 LT |
1381 | return -EBUSY; |
1382 | ||
1383 | memset(sisusb->obuf[i], 0, sisusb->obufsize); | |
1384 | ||
1385 | /* We can write a length > buffer size here. The buffer | |
1386 | * data will simply be re-used (like a ring-buffer). | |
1387 | */ | |
1388 | ret = sisusb_write_mem_bulk(sisusb, address, NULL, length, NULL, i, &j); | |
1389 | ||
1390 | /* Free the buffer/urb */ | |
1391 | sisusb_free_outbuf(sisusb, i); | |
1392 | ||
1393 | return ret; | |
1394 | } | |
1395 | ||
1396 | /* Initialize the graphics core (return 0 on success) | |
1397 | * This resets the graphics hardware and puts it into | |
1398 | * a defined mode (640x480@60Hz) | |
1399 | */ | |
1400 | ||
f74a039c PST |
1401 | #define GETREG(r, d) sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, r, d) |
1402 | #define SETREG(r, d) sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, r, d) | |
1403 | #define SETIREG(r, i, d) sisusb_setidxreg(sisusb, r, i, d) | |
1404 | #define GETIREG(r, i, d) sisusb_getidxreg(sisusb, r, i, d) | |
1405 | #define SETIREGOR(r, i, o) sisusb_setidxregor(sisusb, r, i, o) | |
1406 | #define SETIREGAND(r, i, a) sisusb_setidxregand(sisusb, r, i, a) | |
1407 | #define SETIREGANDOR(r, i, a, o) sisusb_setidxregandor(sisusb, r, i, a, o) | |
1408 | #define READL(a, d) sisusb_read_memio_long(sisusb, SISUSB_TYPE_MEM, a, d) | |
1409 | #define WRITEL(a, d) sisusb_write_memio_long(sisusb, SISUSB_TYPE_MEM, a, d) | |
1410 | #define READB(a, d) sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, a, d) | |
1411 | #define WRITEB(a, d) sisusb_write_memio_byte(sisusb, SISUSB_TYPE_MEM, a, d) | |
1da177e4 | 1412 | |
06e21efa | 1413 | static int sisusb_triggersr16(struct sisusb_usb_data *sisusb, u8 ramtype) |
1da177e4 LT |
1414 | { |
1415 | int ret; | |
1416 | u8 tmp8; | |
1417 | ||
1418 | ret = GETIREG(SISSR, 0x16, &tmp8); | |
1419 | if (ramtype <= 1) { | |
1420 | tmp8 &= 0x3f; | |
1421 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1422 | tmp8 |= 0x80; | |
1423 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1424 | } else { | |
1425 | tmp8 |= 0xc0; | |
1426 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1427 | tmp8 &= 0x0f; | |
1428 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1429 | tmp8 |= 0x80; | |
1430 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1431 | tmp8 &= 0x0f; | |
1432 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1433 | tmp8 |= 0xd0; | |
1434 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1435 | tmp8 &= 0x0f; | |
1436 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1437 | tmp8 |= 0xa0; | |
1438 | ret |= SETIREG(SISSR, 0x16, tmp8); | |
1439 | } | |
1440 | return ret; | |
1441 | } | |
1442 | ||
06e21efa PST |
1443 | static int sisusb_getbuswidth(struct sisusb_usb_data *sisusb, |
1444 | int *bw, int *chab) | |
1da177e4 LT |
1445 | { |
1446 | int ret; | |
1447 | u8 ramtype, done = 0; | |
1448 | u32 t0, t1, t2, t3; | |
1449 | u32 ramptr = SISUSB_PCI_MEMBASE; | |
1450 | ||
1451 | ret = GETIREG(SISSR, 0x3a, &ramtype); | |
1452 | ramtype &= 3; | |
1453 | ||
1454 | ret |= SETIREG(SISSR, 0x13, 0x00); | |
1455 | ||
1456 | if (ramtype <= 1) { | |
1457 | ret |= SETIREG(SISSR, 0x14, 0x12); | |
1458 | ret |= SETIREGAND(SISSR, 0x15, 0xef); | |
1459 | } else { | |
1460 | ret |= SETIREG(SISSR, 0x14, 0x02); | |
1461 | } | |
1462 | ||
1463 | ret |= sisusb_triggersr16(sisusb, ramtype); | |
1464 | ret |= WRITEL(ramptr + 0, 0x01234567); | |
1465 | ret |= WRITEL(ramptr + 4, 0x456789ab); | |
1466 | ret |= WRITEL(ramptr + 8, 0x89abcdef); | |
1467 | ret |= WRITEL(ramptr + 12, 0xcdef0123); | |
1468 | ret |= WRITEL(ramptr + 16, 0x55555555); | |
1469 | ret |= WRITEL(ramptr + 20, 0x55555555); | |
1470 | ret |= WRITEL(ramptr + 24, 0xffffffff); | |
1471 | ret |= WRITEL(ramptr + 28, 0xffffffff); | |
1472 | ret |= READL(ramptr + 0, &t0); | |
1473 | ret |= READL(ramptr + 4, &t1); | |
1474 | ret |= READL(ramptr + 8, &t2); | |
1475 | ret |= READL(ramptr + 12, &t3); | |
1476 | ||
1477 | if (ramtype <= 1) { | |
1478 | ||
1479 | *chab = 0; *bw = 64; | |
1480 | ||
1481 | if ((t3 != 0xcdef0123) || (t2 != 0x89abcdef)) { | |
1482 | if ((t1 == 0x456789ab) && (t0 == 0x01234567)) { | |
1483 | *chab = 0; *bw = 64; | |
1484 | ret |= SETIREGAND(SISSR, 0x14, 0xfd); | |
1485 | } | |
1486 | } | |
1487 | if ((t1 != 0x456789ab) || (t0 != 0x01234567)) { | |
1488 | *chab = 1; *bw = 64; | |
f74a039c | 1489 | ret |= SETIREGANDOR(SISSR, 0x14, 0xfc, 0x01); |
1da177e4 LT |
1490 | |
1491 | ret |= sisusb_triggersr16(sisusb, ramtype); | |
1492 | ret |= WRITEL(ramptr + 0, 0x89abcdef); | |
1493 | ret |= WRITEL(ramptr + 4, 0xcdef0123); | |
1494 | ret |= WRITEL(ramptr + 8, 0x55555555); | |
1495 | ret |= WRITEL(ramptr + 12, 0x55555555); | |
1496 | ret |= WRITEL(ramptr + 16, 0xaaaaaaaa); | |
1497 | ret |= WRITEL(ramptr + 20, 0xaaaaaaaa); | |
1498 | ret |= READL(ramptr + 4, &t1); | |
1499 | ||
1500 | if (t1 != 0xcdef0123) { | |
1501 | *bw = 32; | |
1502 | ret |= SETIREGOR(SISSR, 0x15, 0x10); | |
1503 | } | |
1504 | } | |
1505 | ||
1506 | } else { | |
1507 | ||
1508 | *chab = 0; *bw = 64; /* default: cha, bw = 64 */ | |
1509 | ||
1510 | done = 0; | |
1511 | ||
1512 | if (t1 == 0x456789ab) { | |
1513 | if (t0 == 0x01234567) { | |
1514 | *chab = 0; *bw = 64; | |
1515 | done = 1; | |
1516 | } | |
1517 | } else { | |
1518 | if (t0 == 0x01234567) { | |
1519 | *chab = 0; *bw = 32; | |
1520 | ret |= SETIREG(SISSR, 0x14, 0x00); | |
1521 | done = 1; | |
1522 | } | |
1523 | } | |
1524 | ||
1525 | if (!done) { | |
1526 | ret |= SETIREG(SISSR, 0x14, 0x03); | |
1527 | ret |= sisusb_triggersr16(sisusb, ramtype); | |
1528 | ||
1529 | ret |= WRITEL(ramptr + 0, 0x01234567); | |
1530 | ret |= WRITEL(ramptr + 4, 0x456789ab); | |
1531 | ret |= WRITEL(ramptr + 8, 0x89abcdef); | |
1532 | ret |= WRITEL(ramptr + 12, 0xcdef0123); | |
1533 | ret |= WRITEL(ramptr + 16, 0x55555555); | |
1534 | ret |= WRITEL(ramptr + 20, 0x55555555); | |
1535 | ret |= WRITEL(ramptr + 24, 0xffffffff); | |
1536 | ret |= WRITEL(ramptr + 28, 0xffffffff); | |
1537 | ret |= READL(ramptr + 0, &t0); | |
1538 | ret |= READL(ramptr + 4, &t1); | |
1539 | ||
1540 | if (t1 == 0x456789ab) { | |
1541 | if (t0 == 0x01234567) { | |
1542 | *chab = 1; *bw = 64; | |
1543 | return ret; | |
1544 | } /* else error */ | |
1545 | } else { | |
1546 | if (t0 == 0x01234567) { | |
1547 | *chab = 1; *bw = 32; | |
1548 | ret |= SETIREG(SISSR, 0x14, 0x01); | |
1549 | } /* else error */ | |
1550 | } | |
1551 | } | |
1552 | } | |
1553 | return ret; | |
1554 | } | |
1555 | ||
06e21efa | 1556 | static int sisusb_verify_mclk(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
1557 | { |
1558 | int ret = 0; | |
1559 | u32 ramptr = SISUSB_PCI_MEMBASE; | |
1560 | u8 tmp1, tmp2, i, j; | |
1561 | ||
1562 | ret |= WRITEB(ramptr, 0xaa); | |
1563 | ret |= WRITEB(ramptr + 16, 0x55); | |
1564 | ret |= READB(ramptr, &tmp1); | |
1565 | ret |= READB(ramptr + 16, &tmp2); | |
1566 | if ((tmp1 != 0xaa) || (tmp2 != 0x55)) { | |
1567 | for (i = 0, j = 16; i < 2; i++, j += 16) { | |
1568 | ret |= GETIREG(SISSR, 0x21, &tmp1); | |
1569 | ret |= SETIREGAND(SISSR, 0x21, (tmp1 & 0xfb)); | |
1570 | ret |= SETIREGOR(SISSR, 0x3c, 0x01); /* not on 330 */ | |
1571 | ret |= SETIREGAND(SISSR, 0x3c, 0xfe); /* not on 330 */ | |
1572 | ret |= SETIREG(SISSR, 0x21, tmp1); | |
1573 | ret |= WRITEB(ramptr + 16 + j, j); | |
1574 | ret |= READB(ramptr + 16 + j, &tmp1); | |
1575 | if (tmp1 == j) { | |
1576 | ret |= WRITEB(ramptr + j, j); | |
1577 | break; | |
1578 | } | |
1579 | } | |
1580 | } | |
1581 | return ret; | |
1582 | } | |
1583 | ||
06e21efa PST |
1584 | static int sisusb_set_rank(struct sisusb_usb_data *sisusb, int *iret, |
1585 | int index, u8 rankno, u8 chab, const u8 dramtype[][5], int bw) | |
1da177e4 LT |
1586 | { |
1587 | int ret = 0, ranksize; | |
1588 | u8 tmp; | |
1589 | ||
1590 | *iret = 0; | |
1591 | ||
1592 | if ((rankno == 2) && (dramtype[index][0] == 2)) | |
1593 | return ret; | |
1594 | ||
1595 | ranksize = dramtype[index][3] / 2 * bw / 32; | |
1596 | ||
1597 | if ((ranksize * rankno) > 128) | |
1598 | return ret; | |
1599 | ||
1600 | tmp = 0; | |
06e21efa PST |
1601 | while ((ranksize >>= 1) > 0) |
1602 | tmp += 0x10; | |
1603 | ||
1da177e4 LT |
1604 | tmp |= ((rankno - 1) << 2); |
1605 | tmp |= ((bw / 64) & 0x02); | |
1606 | tmp |= (chab & 0x01); | |
1607 | ||
1608 | ret = SETIREG(SISSR, 0x14, tmp); | |
1609 | ret |= sisusb_triggersr16(sisusb, 0); /* sic! */ | |
1610 | ||
1611 | *iret = 1; | |
1612 | ||
1613 | return ret; | |
1614 | } | |
1615 | ||
06e21efa PST |
1616 | static int sisusb_check_rbc(struct sisusb_usb_data *sisusb, int *iret, |
1617 | u32 inc, int testn) | |
1da177e4 LT |
1618 | { |
1619 | int ret = 0, i; | |
1620 | u32 j, tmp; | |
1621 | ||
1622 | *iret = 0; | |
1623 | ||
1624 | for (i = 0, j = 0; i < testn; i++) { | |
1625 | ret |= WRITEL(sisusb->vrambase + j, j); | |
1626 | j += inc; | |
1627 | } | |
1628 | ||
1629 | for (i = 0, j = 0; i < testn; i++) { | |
1630 | ret |= READL(sisusb->vrambase + j, &tmp); | |
06e21efa PST |
1631 | if (tmp != j) |
1632 | return ret; | |
1633 | ||
1da177e4 LT |
1634 | j += inc; |
1635 | } | |
1636 | ||
1637 | *iret = 1; | |
1638 | return ret; | |
1639 | } | |
1640 | ||
06e21efa PST |
1641 | static int sisusb_check_ranks(struct sisusb_usb_data *sisusb, |
1642 | int *iret, int rankno, int idx, int bw, const u8 rtype[][5]) | |
1da177e4 LT |
1643 | { |
1644 | int ret = 0, i, i2ret; | |
1645 | u32 inc; | |
1646 | ||
1647 | *iret = 0; | |
1648 | ||
1649 | for (i = rankno; i >= 1; i--) { | |
06e21efa PST |
1650 | inc = 1 << (rtype[idx][2] + rtype[idx][1] + rtype[idx][0] + |
1651 | bw / 64 + i); | |
1da177e4 LT |
1652 | ret |= sisusb_check_rbc(sisusb, &i2ret, inc, 2); |
1653 | if (!i2ret) | |
1654 | return ret; | |
1655 | } | |
1656 | ||
1657 | inc = 1 << (rtype[idx][2] + bw / 64 + 2); | |
1658 | ret |= sisusb_check_rbc(sisusb, &i2ret, inc, 4); | |
1659 | if (!i2ret) | |
1660 | return ret; | |
1661 | ||
1662 | inc = 1 << (10 + bw / 64); | |
1663 | ret |= sisusb_check_rbc(sisusb, &i2ret, inc, 2); | |
1664 | if (!i2ret) | |
1665 | return ret; | |
1666 | ||
1667 | *iret = 1; | |
1668 | return ret; | |
1669 | } | |
1670 | ||
06e21efa PST |
1671 | static int sisusb_get_sdram_size(struct sisusb_usb_data *sisusb, int *iret, |
1672 | int bw, int chab) | |
1da177e4 LT |
1673 | { |
1674 | int ret = 0, i2ret = 0, i, j; | |
1675 | static const u8 sdramtype[13][5] = { | |
1676 | { 2, 12, 9, 64, 0x35 }, | |
1677 | { 1, 13, 9, 64, 0x44 }, | |
1678 | { 2, 12, 8, 32, 0x31 }, | |
1679 | { 2, 11, 9, 32, 0x25 }, | |
1680 | { 1, 12, 9, 32, 0x34 }, | |
1681 | { 1, 13, 8, 32, 0x40 }, | |
1682 | { 2, 11, 8, 16, 0x21 }, | |
1683 | { 1, 12, 8, 16, 0x30 }, | |
1684 | { 1, 11, 9, 16, 0x24 }, | |
1685 | { 1, 11, 8, 8, 0x20 }, | |
1686 | { 2, 9, 8, 4, 0x01 }, | |
1687 | { 1, 10, 8, 4, 0x10 }, | |
1688 | { 1, 9, 8, 2, 0x00 } | |
1689 | }; | |
1690 | ||
1691 | *iret = 1; /* error */ | |
1692 | ||
1693 | for (i = 0; i < 13; i++) { | |
1694 | ret |= SETIREGANDOR(SISSR, 0x13, 0x80, sdramtype[i][4]); | |
1695 | for (j = 2; j > 0; j--) { | |
06e21efa PST |
1696 | ret |= sisusb_set_rank(sisusb, &i2ret, i, j, chab, |
1697 | sdramtype, bw); | |
1da177e4 LT |
1698 | if (!i2ret) |
1699 | continue; | |
1700 | ||
06e21efa PST |
1701 | ret |= sisusb_check_ranks(sisusb, &i2ret, j, i, bw, |
1702 | sdramtype); | |
1da177e4 LT |
1703 | if (i2ret) { |
1704 | *iret = 0; /* ram size found */ | |
1705 | return ret; | |
1706 | } | |
1707 | } | |
1708 | } | |
1709 | ||
1710 | return ret; | |
1711 | } | |
1712 | ||
06e21efa PST |
1713 | static int sisusb_setup_screen(struct sisusb_usb_data *sisusb, |
1714 | int clrall, int drwfr) | |
1da177e4 LT |
1715 | { |
1716 | int ret = 0; | |
1717 | u32 address; | |
1718 | int i, length, modex, modey, bpp; | |
1719 | ||
1720 | modex = 640; modey = 480; bpp = 2; | |
1721 | ||
1722 | address = sisusb->vrambase; /* Clear video ram */ | |
1723 | ||
1724 | if (clrall) | |
1725 | length = sisusb->vramsize; | |
1726 | else | |
1727 | length = modex * bpp * modey; | |
1728 | ||
1729 | ret = sisusb_clear_vram(sisusb, address, length); | |
1730 | ||
1731 | if (!ret && drwfr) { | |
1732 | for (i = 0; i < modex; i++) { | |
1733 | address = sisusb->vrambase + (i * bpp); | |
1734 | ret |= sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, | |
f74a039c | 1735 | address, 0xf100); |
1da177e4 LT |
1736 | address += (modex * (modey-1) * bpp); |
1737 | ret |= sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, | |
f74a039c | 1738 | address, 0xf100); |
1da177e4 LT |
1739 | } |
1740 | for (i = 0; i < modey; i++) { | |
1741 | address = sisusb->vrambase + ((i * modex) * bpp); | |
1742 | ret |= sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, | |
f74a039c | 1743 | address, 0xf100); |
1da177e4 LT |
1744 | address += ((modex - 1) * bpp); |
1745 | ret |= sisusb_write_memio_word(sisusb, SISUSB_TYPE_MEM, | |
f74a039c | 1746 | address, 0xf100); |
1da177e4 LT |
1747 | } |
1748 | } | |
1749 | ||
1750 | return ret; | |
1751 | } | |
1752 | ||
06e21efa PST |
1753 | static int sisusb_set_default_mode(struct sisusb_usb_data *sisusb, |
1754 | int touchengines) | |
1da177e4 LT |
1755 | { |
1756 | int ret = 0, i, j, modex, modey, bpp, du; | |
1757 | u8 sr31, cr63, tmp8; | |
1758 | static const char attrdata[] = { | |
f74a039c PST |
1759 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
1760 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, | |
1761 | 0x01, 0x00, 0x00, 0x00 | |
1da177e4 LT |
1762 | }; |
1763 | static const char crtcrdata[] = { | |
f74a039c PST |
1764 | 0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0x0b, 0x3e, |
1765 | 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1766 | 0xea, 0x8c, 0xdf, 0x28, 0x40, 0xe7, 0x04, 0xa3, | |
1da177e4 LT |
1767 | 0xff |
1768 | }; | |
1769 | static const char grcdata[] = { | |
f74a039c | 1770 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0f, |
1da177e4 LT |
1771 | 0xff |
1772 | }; | |
1773 | static const char crtcdata[] = { | |
f74a039c PST |
1774 | 0x5f, 0x4f, 0x4f, 0x83, 0x55, 0x81, 0x0b, 0x3e, |
1775 | 0xe9, 0x8b, 0xdf, 0xe8, 0x0c, 0x00, 0x00, 0x05, | |
1da177e4 LT |
1776 | 0x00 |
1777 | }; | |
1778 | ||
1779 | modex = 640; modey = 480; bpp = 2; | |
1780 | ||
1781 | GETIREG(SISSR, 0x31, &sr31); | |
1782 | GETIREG(SISCR, 0x63, &cr63); | |
1783 | SETIREGOR(SISSR, 0x01, 0x20); | |
1784 | SETIREG(SISCR, 0x63, cr63 & 0xbf); | |
1785 | SETIREGOR(SISCR, 0x17, 0x80); | |
1786 | SETIREGOR(SISSR, 0x1f, 0x04); | |
1787 | SETIREGAND(SISSR, 0x07, 0xfb); | |
1788 | SETIREG(SISSR, 0x00, 0x03); /* seq */ | |
1789 | SETIREG(SISSR, 0x01, 0x21); | |
1790 | SETIREG(SISSR, 0x02, 0x0f); | |
1791 | SETIREG(SISSR, 0x03, 0x00); | |
1792 | SETIREG(SISSR, 0x04, 0x0e); | |
1793 | SETREG(SISMISCW, 0x23); /* misc */ | |
1794 | for (i = 0; i <= 0x18; i++) { /* crtc */ | |
1795 | SETIREG(SISCR, i, crtcrdata[i]); | |
1796 | } | |
1797 | for (i = 0; i <= 0x13; i++) { /* att */ | |
1798 | GETREG(SISINPSTAT, &tmp8); | |
1799 | SETREG(SISAR, i); | |
1800 | SETREG(SISAR, attrdata[i]); | |
1801 | } | |
1802 | GETREG(SISINPSTAT, &tmp8); | |
1803 | SETREG(SISAR, 0x14); | |
1804 | SETREG(SISAR, 0x00); | |
1805 | GETREG(SISINPSTAT, &tmp8); | |
1806 | SETREG(SISAR, 0x20); | |
1807 | GETREG(SISINPSTAT, &tmp8); | |
1808 | for (i = 0; i <= 0x08; i++) { /* grc */ | |
1809 | SETIREG(SISGR, i, grcdata[i]); | |
1810 | } | |
1811 | SETIREGAND(SISGR, 0x05, 0xbf); | |
1812 | for (i = 0x0A; i <= 0x0E; i++) { /* clr ext */ | |
1813 | SETIREG(SISSR, i, 0x00); | |
1814 | } | |
1815 | SETIREGAND(SISSR, 0x37, 0xfe); | |
1816 | SETREG(SISMISCW, 0xef); /* sync */ | |
1817 | SETIREG(SISCR, 0x11, 0x00); /* crtc */ | |
f996c49d | 1818 | for (j = 0x00, i = 0; i <= 7; i++, j++) |
1da177e4 | 1819 | SETIREG(SISCR, j, crtcdata[i]); |
f996c49d PST |
1820 | |
1821 | for (j = 0x10; i <= 10; i++, j++) | |
1da177e4 | 1822 | SETIREG(SISCR, j, crtcdata[i]); |
f996c49d PST |
1823 | |
1824 | for (j = 0x15; i <= 12; i++, j++) | |
1da177e4 | 1825 | SETIREG(SISCR, j, crtcdata[i]); |
f996c49d PST |
1826 | |
1827 | for (j = 0x0A; i <= 15; i++, j++) | |
1da177e4 | 1828 | SETIREG(SISSR, j, crtcdata[i]); |
f996c49d | 1829 | |
1da177e4 LT |
1830 | SETIREG(SISSR, 0x0E, (crtcdata[16] & 0xE0)); |
1831 | SETIREGANDOR(SISCR, 0x09, 0x5f, ((crtcdata[16] & 0x01) << 5)); | |
1832 | SETIREG(SISCR, 0x14, 0x4f); | |
1833 | du = (modex / 16) * (bpp * 2); /* offset/pitch */ | |
06e21efa PST |
1834 | if (modex % 16) |
1835 | du += bpp; | |
1836 | ||
1da177e4 LT |
1837 | SETIREGANDOR(SISSR, 0x0e, 0xf0, ((du >> 8) & 0x0f)); |
1838 | SETIREG(SISCR, 0x13, (du & 0xff)); | |
1839 | du <<= 5; | |
1840 | tmp8 = du >> 8; | |
06e21efa PST |
1841 | if (du & 0xff) |
1842 | tmp8++; | |
1843 | ||
1da177e4 LT |
1844 | SETIREG(SISSR, 0x10, tmp8); |
1845 | SETIREG(SISSR, 0x31, 0x00); /* VCLK */ | |
1846 | SETIREG(SISSR, 0x2b, 0x1b); | |
1847 | SETIREG(SISSR, 0x2c, 0xe1); | |
1848 | SETIREG(SISSR, 0x2d, 0x01); | |
1849 | SETIREGAND(SISSR, 0x3d, 0xfe); /* FIFO */ | |
1850 | SETIREG(SISSR, 0x08, 0xae); | |
1851 | SETIREGAND(SISSR, 0x09, 0xf0); | |
1852 | SETIREG(SISSR, 0x08, 0x34); | |
1853 | SETIREGOR(SISSR, 0x3d, 0x01); | |
1854 | SETIREGAND(SISSR, 0x1f, 0x3f); /* mode regs */ | |
1855 | SETIREGANDOR(SISSR, 0x06, 0xc0, 0x0a); | |
1856 | SETIREG(SISCR, 0x19, 0x00); | |
1857 | SETIREGAND(SISCR, 0x1a, 0xfc); | |
1858 | SETIREGAND(SISSR, 0x0f, 0xb7); | |
1859 | SETIREGAND(SISSR, 0x31, 0xfb); | |
1860 | SETIREGANDOR(SISSR, 0x21, 0x1f, 0xa0); | |
1861 | SETIREGAND(SISSR, 0x32, 0xf3); | |
1862 | SETIREGANDOR(SISSR, 0x07, 0xf8, 0x03); | |
1863 | SETIREG(SISCR, 0x52, 0x6c); | |
1864 | ||
1865 | SETIREG(SISCR, 0x0d, 0x00); /* adjust frame */ | |
1866 | SETIREG(SISCR, 0x0c, 0x00); | |
1867 | SETIREG(SISSR, 0x0d, 0x00); | |
1868 | SETIREGAND(SISSR, 0x37, 0xfe); | |
1869 | ||
1870 | SETIREG(SISCR, 0x32, 0x20); | |
1871 | SETIREGAND(SISSR, 0x01, 0xdf); /* enable display */ | |
1872 | SETIREG(SISCR, 0x63, (cr63 & 0xbf)); | |
1873 | SETIREG(SISSR, 0x31, (sr31 & 0xfb)); | |
1874 | ||
1875 | if (touchengines) { | |
1876 | SETIREG(SISSR, 0x20, 0xa1); /* enable engines */ | |
1877 | SETIREGOR(SISSR, 0x1e, 0x5a); | |
1878 | ||
1879 | SETIREG(SISSR, 0x26, 0x01); /* disable cmdqueue */ | |
1880 | SETIREG(SISSR, 0x27, 0x1f); | |
1881 | SETIREG(SISSR, 0x26, 0x00); | |
1882 | } | |
1883 | ||
ed86d970 | 1884 | SETIREG(SISCR, 0x34, 0x44); /* we just set std mode #44 */ |
1da177e4 LT |
1885 | |
1886 | return ret; | |
1887 | } | |
1888 | ||
06e21efa | 1889 | static int sisusb_init_gfxcore(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
1890 | { |
1891 | int ret = 0, i, j, bw, chab, iret, retry = 3; | |
1892 | u8 tmp8, ramtype; | |
1893 | u32 tmp32; | |
1894 | static const char mclktable[] = { | |
1895 | 0x3b, 0x22, 0x01, 143, | |
1896 | 0x3b, 0x22, 0x01, 143, | |
1897 | 0x3b, 0x22, 0x01, 143, | |
1898 | 0x3b, 0x22, 0x01, 143 | |
1899 | }; | |
1900 | static const char eclktable[] = { | |
1901 | 0x3b, 0x22, 0x01, 143, | |
1902 | 0x3b, 0x22, 0x01, 143, | |
1903 | 0x3b, 0x22, 0x01, 143, | |
1904 | 0x3b, 0x22, 0x01, 143 | |
1905 | }; | |
1906 | static const char ramtypetable1[] = { | |
1907 | 0x00, 0x04, 0x60, 0x60, | |
1908 | 0x0f, 0x0f, 0x1f, 0x1f, | |
1909 | 0xba, 0xba, 0xba, 0xba, | |
1910 | 0xa9, 0xa9, 0xac, 0xac, | |
1911 | 0xa0, 0xa0, 0xa0, 0xa8, | |
1912 | 0x00, 0x00, 0x02, 0x02, | |
1913 | 0x30, 0x30, 0x40, 0x40 | |
1914 | }; | |
1915 | static const char ramtypetable2[] = { | |
1916 | 0x77, 0x77, 0x44, 0x44, | |
1917 | 0x77, 0x77, 0x44, 0x44, | |
1918 | 0x00, 0x00, 0x00, 0x00, | |
1919 | 0x5b, 0x5b, 0xab, 0xab, | |
1920 | 0x00, 0x00, 0xf0, 0xf8 | |
1921 | }; | |
1922 | ||
1923 | while (retry--) { | |
1924 | ||
1925 | /* Enable VGA */ | |
1926 | ret = GETREG(SISVGAEN, &tmp8); | |
1927 | ret |= SETREG(SISVGAEN, (tmp8 | 0x01)); | |
1928 | ||
1929 | /* Enable GPU access to VRAM */ | |
1930 | ret |= GETREG(SISMISCR, &tmp8); | |
1931 | ret |= SETREG(SISMISCW, (tmp8 | 0x01)); | |
1932 | ||
06e21efa PST |
1933 | if (ret) |
1934 | continue; | |
1da177e4 LT |
1935 | |
1936 | /* Reset registers */ | |
1937 | ret |= SETIREGAND(SISCR, 0x5b, 0xdf); | |
1938 | ret |= SETIREG(SISSR, 0x05, 0x86); | |
1939 | ret |= SETIREGOR(SISSR, 0x20, 0x01); | |
1940 | ||
1941 | ret |= SETREG(SISMISCW, 0x67); | |
1942 | ||
f996c49d | 1943 | for (i = 0x06; i <= 0x1f; i++) |
1da177e4 | 1944 | ret |= SETIREG(SISSR, i, 0x00); |
f996c49d PST |
1945 | |
1946 | for (i = 0x21; i <= 0x27; i++) | |
1da177e4 | 1947 | ret |= SETIREG(SISSR, i, 0x00); |
f996c49d PST |
1948 | |
1949 | for (i = 0x31; i <= 0x3d; i++) | |
1da177e4 | 1950 | ret |= SETIREG(SISSR, i, 0x00); |
f996c49d PST |
1951 | |
1952 | for (i = 0x12; i <= 0x1b; i++) | |
1da177e4 | 1953 | ret |= SETIREG(SISSR, i, 0x00); |
f996c49d PST |
1954 | |
1955 | for (i = 0x79; i <= 0x7c; i++) | |
1da177e4 | 1956 | ret |= SETIREG(SISCR, i, 0x00); |
1da177e4 | 1957 | |
06e21efa PST |
1958 | if (ret) |
1959 | continue; | |
1da177e4 LT |
1960 | |
1961 | ret |= SETIREG(SISCR, 0x63, 0x80); | |
1962 | ||
1963 | ret |= GETIREG(SISSR, 0x3a, &ramtype); | |
1964 | ramtype &= 0x03; | |
1965 | ||
1966 | ret |= SETIREG(SISSR, 0x28, mclktable[ramtype * 4]); | |
1967 | ret |= SETIREG(SISSR, 0x29, mclktable[(ramtype * 4) + 1]); | |
1968 | ret |= SETIREG(SISSR, 0x2a, mclktable[(ramtype * 4) + 2]); | |
1969 | ||
1970 | ret |= SETIREG(SISSR, 0x2e, eclktable[ramtype * 4]); | |
1971 | ret |= SETIREG(SISSR, 0x2f, eclktable[(ramtype * 4) + 1]); | |
1972 | ret |= SETIREG(SISSR, 0x30, eclktable[(ramtype * 4) + 2]); | |
1973 | ||
1974 | ret |= SETIREG(SISSR, 0x07, 0x18); | |
1975 | ret |= SETIREG(SISSR, 0x11, 0x0f); | |
1976 | ||
06e21efa PST |
1977 | if (ret) |
1978 | continue; | |
1da177e4 LT |
1979 | |
1980 | for (i = 0x15, j = 0; i <= 0x1b; i++, j++) { | |
06e21efa PST |
1981 | ret |= SETIREG(SISSR, i, |
1982 | ramtypetable1[(j*4) + ramtype]); | |
1da177e4 LT |
1983 | } |
1984 | for (i = 0x40, j = 0; i <= 0x44; i++, j++) { | |
06e21efa PST |
1985 | ret |= SETIREG(SISCR, i, |
1986 | ramtypetable2[(j*4) + ramtype]); | |
1da177e4 LT |
1987 | } |
1988 | ||
1989 | ret |= SETIREG(SISCR, 0x49, 0xaa); | |
1990 | ||
1991 | ret |= SETIREG(SISSR, 0x1f, 0x00); | |
1992 | ret |= SETIREG(SISSR, 0x20, 0xa0); | |
1993 | ret |= SETIREG(SISSR, 0x23, 0xf6); | |
1994 | ret |= SETIREG(SISSR, 0x24, 0x0d); | |
1995 | ret |= SETIREG(SISSR, 0x25, 0x33); | |
1996 | ||
1997 | ret |= SETIREG(SISSR, 0x11, 0x0f); | |
1998 | ||
1999 | ret |= SETIREGOR(SISPART1, 0x2f, 0x01); | |
2000 | ||
2001 | ret |= SETIREGAND(SISCAP, 0x3f, 0xef); | |
2002 | ||
06e21efa PST |
2003 | if (ret) |
2004 | continue; | |
1da177e4 LT |
2005 | |
2006 | ret |= SETIREG(SISPART1, 0x00, 0x00); | |
2007 | ||
2008 | ret |= GETIREG(SISSR, 0x13, &tmp8); | |
2009 | tmp8 >>= 4; | |
2010 | ||
2011 | ret |= SETIREG(SISPART1, 0x02, 0x00); | |
2012 | ret |= SETIREG(SISPART1, 0x2e, 0x08); | |
2013 | ||
2014 | ret |= sisusb_read_pci_config(sisusb, 0x50, &tmp32); | |
2015 | tmp32 &= 0x00f00000; | |
2016 | tmp8 = (tmp32 == 0x100000) ? 0x33 : 0x03; | |
2017 | ret |= SETIREG(SISSR, 0x25, tmp8); | |
2018 | tmp8 = (tmp32 == 0x100000) ? 0xaa : 0x88; | |
2019 | ret |= SETIREG(SISCR, 0x49, tmp8); | |
2020 | ||
2021 | ret |= SETIREG(SISSR, 0x27, 0x1f); | |
2022 | ret |= SETIREG(SISSR, 0x31, 0x00); | |
2023 | ret |= SETIREG(SISSR, 0x32, 0x11); | |
2024 | ret |= SETIREG(SISSR, 0x33, 0x00); | |
2025 | ||
06e21efa PST |
2026 | if (ret) |
2027 | continue; | |
1da177e4 LT |
2028 | |
2029 | ret |= SETIREG(SISCR, 0x83, 0x00); | |
2030 | ||
2031 | ret |= sisusb_set_default_mode(sisusb, 0); | |
2032 | ||
2033 | ret |= SETIREGAND(SISSR, 0x21, 0xdf); | |
2034 | ret |= SETIREGOR(SISSR, 0x01, 0x20); | |
2035 | ret |= SETIREGOR(SISSR, 0x16, 0x0f); | |
2036 | ||
2037 | ret |= sisusb_triggersr16(sisusb, ramtype); | |
2038 | ||
2039 | /* Disable refresh */ | |
2040 | ret |= SETIREGAND(SISSR, 0x17, 0xf8); | |
2041 | ret |= SETIREGOR(SISSR, 0x19, 0x03); | |
2042 | ||
2043 | ret |= sisusb_getbuswidth(sisusb, &bw, &chab); | |
2044 | ret |= sisusb_verify_mclk(sisusb); | |
2045 | ||
2046 | if (ramtype <= 1) { | |
2047 | ret |= sisusb_get_sdram_size(sisusb, &iret, bw, chab); | |
2048 | if (iret) { | |
06e21efa PST |
2049 | dev_err(&sisusb->sisusb_dev->dev, |
2050 | "RAM size detection failed, assuming 8MB video RAM\n"); | |
f74a039c | 2051 | ret |= SETIREG(SISSR, 0x14, 0x31); |
1da177e4 LT |
2052 | /* TODO */ |
2053 | } | |
2054 | } else { | |
06e21efa PST |
2055 | dev_err(&sisusb->sisusb_dev->dev, |
2056 | "DDR RAM device found, assuming 8MB video RAM\n"); | |
f74a039c | 2057 | ret |= SETIREG(SISSR, 0x14, 0x31); |
1da177e4 LT |
2058 | /* *** TODO *** */ |
2059 | } | |
2060 | ||
2061 | /* Enable refresh */ | |
2062 | ret |= SETIREG(SISSR, 0x16, ramtypetable1[4 + ramtype]); | |
2063 | ret |= SETIREG(SISSR, 0x17, ramtypetable1[8 + ramtype]); | |
2064 | ret |= SETIREG(SISSR, 0x19, ramtypetable1[16 + ramtype]); | |
2065 | ||
2066 | ret |= SETIREGOR(SISSR, 0x21, 0x20); | |
2067 | ||
2068 | ret |= SETIREG(SISSR, 0x22, 0xfb); | |
2069 | ret |= SETIREG(SISSR, 0x21, 0xa5); | |
2070 | ||
2071 | if (ret == 0) | |
2072 | break; | |
2073 | } | |
2074 | ||
2075 | return ret; | |
2076 | } | |
2077 | ||
2078 | #undef SETREG | |
2079 | #undef GETREG | |
2080 | #undef SETIREG | |
2081 | #undef GETIREG | |
2082 | #undef SETIREGOR | |
2083 | #undef SETIREGAND | |
2084 | #undef SETIREGANDOR | |
2085 | #undef READL | |
2086 | #undef WRITEL | |
2087 | ||
06e21efa | 2088 | static void sisusb_get_ramconfig(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
2089 | { |
2090 | u8 tmp8, tmp82, ramtype; | |
2091 | int bw = 0; | |
2092 | char *ramtypetext1 = NULL; | |
3c1b2c3e JP |
2093 | static const char ram_datarate[4] = {'S', 'S', 'D', 'D'}; |
2094 | static const char ram_dynamictype[4] = {'D', 'G', 'D', 'G'}; | |
1da177e4 LT |
2095 | static const int busSDR[4] = {64, 64, 128, 128}; |
2096 | static const int busDDR[4] = {32, 32, 64, 64}; | |
f74a039c | 2097 | static const int busDDRA[4] = {64+32, 64+32, (64+32)*2, (64+32)*2}; |
1da177e4 LT |
2098 | |
2099 | sisusb_getidxreg(sisusb, SISSR, 0x14, &tmp8); | |
2100 | sisusb_getidxreg(sisusb, SISSR, 0x15, &tmp82); | |
2101 | sisusb_getidxreg(sisusb, SISSR, 0x3a, &ramtype); | |
2102 | sisusb->vramsize = (1 << ((tmp8 & 0xf0) >> 4)) * 1024 * 1024; | |
2103 | ramtype &= 0x03; | |
2104 | switch ((tmp8 >> 2) & 0x03) { | |
06e21efa PST |
2105 | case 0: |
2106 | ramtypetext1 = "1 ch/1 r"; | |
f996c49d | 2107 | if (tmp82 & 0x10) |
1da177e4 | 2108 | bw = 32; |
f996c49d | 2109 | else |
1da177e4 | 2110 | bw = busSDR[(tmp8 & 0x03)]; |
f996c49d | 2111 | |
1da177e4 | 2112 | break; |
06e21efa PST |
2113 | case 1: |
2114 | ramtypetext1 = "1 ch/2 r"; | |
1da177e4 LT |
2115 | sisusb->vramsize <<= 1; |
2116 | bw = busSDR[(tmp8 & 0x03)]; | |
2117 | break; | |
06e21efa PST |
2118 | case 2: |
2119 | ramtypetext1 = "asymmeric"; | |
1da177e4 LT |
2120 | sisusb->vramsize += sisusb->vramsize/2; |
2121 | bw = busDDRA[(tmp8 & 0x03)]; | |
2122 | break; | |
06e21efa PST |
2123 | case 3: |
2124 | ramtypetext1 = "2 channel"; | |
1da177e4 LT |
2125 | sisusb->vramsize <<= 1; |
2126 | bw = busDDR[(tmp8 & 0x03)]; | |
2127 | break; | |
2128 | } | |
2129 | ||
06e21efa PST |
2130 | dev_info(&sisusb->sisusb_dev->dev, |
2131 | "%dMB %s %cDR S%cRAM, bus width %d\n", | |
2132 | sisusb->vramsize >> 20, ramtypetext1, | |
2133 | ram_datarate[ramtype], ram_dynamictype[ramtype], bw); | |
1da177e4 LT |
2134 | } |
2135 | ||
06e21efa | 2136 | static int sisusb_do_init_gfxdevice(struct sisusb_usb_data *sisusb) |
1da177e4 LT |
2137 | { |
2138 | struct sisusb_packet packet; | |
2139 | int ret; | |
2140 | u32 tmp32; | |
2141 | ||
2142 | /* Do some magic */ | |
2143 | packet.header = 0x001f; | |
2144 | packet.address = 0x00000324; | |
2145 | packet.data = 0x00000004; | |
2146 | ret = sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2147 | ||
2148 | packet.header = 0x001f; | |
2149 | packet.address = 0x00000364; | |
2150 | packet.data = 0x00000004; | |
2151 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2152 | ||
2153 | packet.header = 0x001f; | |
2154 | packet.address = 0x00000384; | |
2155 | packet.data = 0x00000004; | |
2156 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2157 | ||
2158 | packet.header = 0x001f; | |
2159 | packet.address = 0x00000100; | |
2160 | packet.data = 0x00000700; | |
2161 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2162 | ||
2163 | packet.header = 0x000f; | |
2164 | packet.address = 0x00000004; | |
2165 | ret |= sisusb_send_bridge_packet(sisusb, 6, &packet, 0); | |
2166 | packet.data |= 0x17; | |
2167 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2168 | ||
2169 | /* Init BAR 0 (VRAM) */ | |
2170 | ret |= sisusb_read_pci_config(sisusb, 0x10, &tmp32); | |
2171 | ret |= sisusb_write_pci_config(sisusb, 0x10, 0xfffffff0); | |
2172 | ret |= sisusb_read_pci_config(sisusb, 0x10, &tmp32); | |
2173 | tmp32 &= 0x0f; | |
2174 | tmp32 |= SISUSB_PCI_MEMBASE; | |
2175 | ret |= sisusb_write_pci_config(sisusb, 0x10, tmp32); | |
2176 | ||
2177 | /* Init BAR 1 (MMIO) */ | |
2178 | ret |= sisusb_read_pci_config(sisusb, 0x14, &tmp32); | |
2179 | ret |= sisusb_write_pci_config(sisusb, 0x14, 0xfffffff0); | |
2180 | ret |= sisusb_read_pci_config(sisusb, 0x14, &tmp32); | |
2181 | tmp32 &= 0x0f; | |
2182 | tmp32 |= SISUSB_PCI_MMIOBASE; | |
2183 | ret |= sisusb_write_pci_config(sisusb, 0x14, tmp32); | |
2184 | ||
2185 | /* Init BAR 2 (i/o ports) */ | |
2186 | ret |= sisusb_read_pci_config(sisusb, 0x18, &tmp32); | |
2187 | ret |= sisusb_write_pci_config(sisusb, 0x18, 0xfffffff0); | |
2188 | ret |= sisusb_read_pci_config(sisusb, 0x18, &tmp32); | |
2189 | tmp32 &= 0x0f; | |
2190 | tmp32 |= SISUSB_PCI_IOPORTBASE; | |
2191 | ret |= sisusb_write_pci_config(sisusb, 0x18, tmp32); | |
2192 | ||
2193 | /* Enable memory and i/o access */ | |
2194 | ret |= sisusb_read_pci_config(sisusb, 0x04, &tmp32); | |
2195 | tmp32 |= 0x3; | |
2196 | ret |= sisusb_write_pci_config(sisusb, 0x04, tmp32); | |
2197 | ||
2198 | if (ret == 0) { | |
2199 | /* Some further magic */ | |
2200 | packet.header = 0x001f; | |
2201 | packet.address = 0x00000050; | |
2202 | packet.data = 0x000000ff; | |
2203 | ret |= sisusb_send_bridge_packet(sisusb, 10, &packet, 0); | |
2204 | } | |
2205 | ||
2206 | return ret; | |
2207 | } | |
2208 | ||
2209 | /* Initialize the graphics device (return 0 on success) | |
2210 | * This initializes the net2280 as well as the PCI registers | |
2211 | * of the graphics board. | |
2212 | */ | |
2213 | ||
06e21efa | 2214 | static int sisusb_init_gfxdevice(struct sisusb_usb_data *sisusb, int initscreen) |
1da177e4 LT |
2215 | { |
2216 | int ret = 0, test = 0; | |
2217 | u32 tmp32; | |
2218 | ||
2219 | if (sisusb->devinit == 1) { | |
2220 | /* Read PCI BARs and see if they have been set up */ | |
2221 | ret |= sisusb_read_pci_config(sisusb, 0x10, &tmp32); | |
06e21efa PST |
2222 | if (ret) |
2223 | return ret; | |
2224 | ||
2225 | if ((tmp32 & 0xfffffff0) == SISUSB_PCI_MEMBASE) | |
2226 | test++; | |
1da177e4 LT |
2227 | |
2228 | ret |= sisusb_read_pci_config(sisusb, 0x14, &tmp32); | |
06e21efa PST |
2229 | if (ret) |
2230 | return ret; | |
2231 | ||
2232 | if ((tmp32 & 0xfffffff0) == SISUSB_PCI_MMIOBASE) | |
2233 | test++; | |
1da177e4 LT |
2234 | |
2235 | ret |= sisusb_read_pci_config(sisusb, 0x18, &tmp32); | |
06e21efa PST |
2236 | if (ret) |
2237 | return ret; | |
2238 | ||
2239 | if ((tmp32 & 0xfffffff0) == SISUSB_PCI_IOPORTBASE) | |
2240 | test++; | |
1da177e4 LT |
2241 | } |
2242 | ||
2243 | /* No? So reset the device */ | |
2244 | if ((sisusb->devinit == 0) || (test != 3)) { | |
2245 | ||
2246 | ret |= sisusb_do_init_gfxdevice(sisusb); | |
2247 | ||
2248 | if (ret == 0) | |
2249 | sisusb->devinit = 1; | |
2250 | ||
2251 | } | |
2252 | ||
2253 | if (sisusb->devinit) { | |
2254 | /* Initialize the graphics core */ | |
2255 | if (sisusb_init_gfxcore(sisusb) == 0) { | |
2256 | sisusb->gfxinit = 1; | |
2257 | sisusb_get_ramconfig(sisusb); | |
2258 | ret |= sisusb_set_default_mode(sisusb, 1); | |
2259 | ret |= sisusb_setup_screen(sisusb, 1, initscreen); | |
2260 | } | |
2261 | } | |
2262 | ||
2263 | return ret; | |
2264 | } | |
2265 | ||
1bbb4f20 TW |
2266 | |
2267 | #ifdef INCL_SISUSB_CON | |
2268 | ||
2269 | /* Set up default text mode: | |
f996c49d PST |
2270 | * - Set text mode (0x03) |
2271 | * - Upload default font | |
2272 | * - Upload user font (if available) | |
2273 | */ | |
1bbb4f20 | 2274 | |
06e21efa | 2275 | int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init) |
1bbb4f20 TW |
2276 | { |
2277 | int ret = 0, slot = sisusb->font_slot, i; | |
dabb5928 | 2278 | const struct font_desc *myfont; |
1bbb4f20 TW |
2279 | u8 *tempbuf; |
2280 | u16 *tempbufb; | |
06e21efa PST |
2281 | static const char bootstring[] = |
2282 | "SiSUSB VGA text console, (C) 2005 Thomas Winischhofer."; | |
4c4c9432 | 2283 | static const char bootlogo[] = "(o_ //\\ V_/_"; |
1bbb4f20 TW |
2284 | |
2285 | /* sisusb->lock is down */ | |
2286 | ||
2287 | if (!sisusb->SiS_Pr) | |
2288 | return 1; | |
2289 | ||
2290 | sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; | |
2291 | sisusb->SiS_Pr->sisusb = (void *)sisusb; | |
2292 | ||
2293 | /* Set mode 0x03 */ | |
2294 | SiSUSBSetMode(sisusb->SiS_Pr, 0x03); | |
2295 | ||
187859f9 GKH |
2296 | myfont = find_font("VGA8x16"); |
2297 | if (!myfont) | |
1bbb4f20 TW |
2298 | return 1; |
2299 | ||
187859f9 GKH |
2300 | tempbuf = vmalloc(8192); |
2301 | if (!tempbuf) | |
1bbb4f20 TW |
2302 | return 1; |
2303 | ||
2304 | for (i = 0; i < 256; i++) | |
2305 | memcpy(tempbuf + (i * 32), myfont->data + (i * 16), 16); | |
2306 | ||
2307 | /* Upload default font */ | |
06e21efa PST |
2308 | ret = sisusbcon_do_font_op(sisusb, 1, 0, tempbuf, 8192, |
2309 | 0, 1, NULL, 16, 0); | |
1bbb4f20 TW |
2310 | |
2311 | vfree(tempbuf); | |
2312 | ||
2313 | /* Upload user font (and reset current slot) */ | |
2314 | if (sisusb->font_backup) { | |
2315 | ret |= sisusbcon_do_font_op(sisusb, 1, 2, sisusb->font_backup, | |
2316 | 8192, sisusb->font_backup_512, 1, NULL, | |
2317 | sisusb->font_backup_height, 0); | |
2318 | if (slot != 2) | |
2319 | sisusbcon_do_font_op(sisusb, 1, 0, NULL, 0, 0, 1, | |
2320 | NULL, 16, 0); | |
2321 | } | |
2322 | ||
2323 | if (init && !sisusb->scrbuf) { | |
2324 | ||
187859f9 GKH |
2325 | tempbuf = vmalloc(8192); |
2326 | if (tempbuf) { | |
1bbb4f20 TW |
2327 | |
2328 | i = 4096; | |
2329 | tempbufb = (u16 *)tempbuf; | |
2330 | while (i--) | |
2331 | *(tempbufb++) = 0x0720; | |
2332 | ||
2333 | i = 0; | |
2334 | tempbufb = (u16 *)tempbuf; | |
2335 | while (bootlogo[i]) { | |
2336 | *(tempbufb++) = 0x0700 | bootlogo[i++]; | |
2337 | if (!(i % 4)) | |
2338 | tempbufb += 76; | |
2339 | } | |
2340 | ||
2341 | i = 0; | |
2342 | tempbufb = (u16 *)tempbuf + 6; | |
2343 | while (bootstring[i]) | |
2344 | *(tempbufb++) = 0x0700 | bootstring[i++]; | |
2345 | ||
2346 | ret |= sisusb_copy_memory(sisusb, tempbuf, | |
3cc5be77 | 2347 | sisusb->vrambase, 8192); |
1bbb4f20 TW |
2348 | |
2349 | vfree(tempbuf); | |
2350 | ||
2351 | } | |
2352 | ||
2353 | } else if (sisusb->scrbuf) { | |
1bbb4f20 | 2354 | ret |= sisusb_copy_memory(sisusb, (char *)sisusb->scrbuf, |
3cc5be77 | 2355 | sisusb->vrambase, sisusb->scrbuf_size); |
1bbb4f20 TW |
2356 | } |
2357 | ||
2358 | if (sisusb->sisusb_cursor_size_from >= 0 && | |
f74a039c | 2359 | sisusb->sisusb_cursor_size_to >= 0) { |
1bbb4f20 TW |
2360 | sisusb_setidxreg(sisusb, SISCR, 0x0a, |
2361 | sisusb->sisusb_cursor_size_from); | |
2362 | sisusb_setidxregandor(sisusb, SISCR, 0x0b, 0xe0, | |
2363 | sisusb->sisusb_cursor_size_to); | |
2364 | } else { | |
2365 | sisusb_setidxreg(sisusb, SISCR, 0x0a, 0x2d); | |
2366 | sisusb_setidxreg(sisusb, SISCR, 0x0b, 0x0e); | |
2367 | sisusb->sisusb_cursor_size_to = -1; | |
2368 | } | |
2369 | ||
2370 | slot = sisusb->sisusb_cursor_loc; | |
06e21efa PST |
2371 | if (slot < 0) |
2372 | slot = 0; | |
1bbb4f20 TW |
2373 | |
2374 | sisusb->sisusb_cursor_loc = -1; | |
2375 | sisusb->bad_cursor_pos = 1; | |
2376 | ||
2377 | sisusb_set_cursor(sisusb, slot); | |
2378 | ||
2379 | sisusb_setidxreg(sisusb, SISCR, 0x0c, (sisusb->cur_start_addr >> 8)); | |
2380 | sisusb_setidxreg(sisusb, SISCR, 0x0d, (sisusb->cur_start_addr & 0xff)); | |
2381 | ||
2382 | sisusb->textmodedestroyed = 0; | |
2383 | ||
2384 | /* sisusb->lock is down */ | |
2385 | ||
2386 | return ret; | |
2387 | } | |
2388 | ||
2389 | #endif | |
2390 | ||
1da177e4 LT |
2391 | /* fops */ |
2392 | ||
06e21efa | 2393 | static int sisusb_open(struct inode *inode, struct file *file) |
1da177e4 LT |
2394 | { |
2395 | struct sisusb_usb_data *sisusb; | |
2396 | struct usb_interface *interface; | |
2397 | int subminor = iminor(inode); | |
2398 | ||
187859f9 | 2399 | interface = usb_find_interface(&sisusb_driver, subminor); |
f996c49d | 2400 | if (!interface) |
1da177e4 | 2401 | return -ENODEV; |
1da177e4 | 2402 | |
187859f9 | 2403 | sisusb = usb_get_intfdata(interface); |
f996c49d | 2404 | if (!sisusb) |
1da177e4 | 2405 | return -ENODEV; |
1da177e4 | 2406 | |
2682d27c | 2407 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2408 | |
2409 | if (!sisusb->present || !sisusb->ready) { | |
2682d27c | 2410 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2411 | return -ENODEV; |
2412 | } | |
2413 | ||
2414 | if (sisusb->isopen) { | |
2682d27c | 2415 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2416 | return -EBUSY; |
2417 | } | |
2418 | ||
2419 | if (!sisusb->devinit) { | |
20a12f00 | 2420 | if (sisusb->sisusb_dev->speed == USB_SPEED_HIGH || |
88a0044e | 2421 | sisusb->sisusb_dev->speed >= USB_SPEED_SUPER) { |
1da177e4 | 2422 | if (sisusb_init_gfxdevice(sisusb, 0)) { |
2682d27c | 2423 | mutex_unlock(&sisusb->lock); |
06e21efa PST |
2424 | dev_err(&sisusb->sisusb_dev->dev, |
2425 | "Failed to initialize device\n"); | |
1da177e4 LT |
2426 | return -EIO; |
2427 | } | |
2428 | } else { | |
2682d27c | 2429 | mutex_unlock(&sisusb->lock); |
06e21efa PST |
2430 | dev_err(&sisusb->sisusb_dev->dev, |
2431 | "Device not attached to USB 2.0 hub\n"); | |
1da177e4 LT |
2432 | return -EIO; |
2433 | } | |
2434 | } | |
2435 | ||
1bbb4f20 | 2436 | /* Increment usage count for our sisusb */ |
1da177e4 LT |
2437 | kref_get(&sisusb->kref); |
2438 | ||
2439 | sisusb->isopen = 1; | |
2440 | ||
2441 | file->private_data = sisusb; | |
2442 | ||
2682d27c | 2443 | mutex_unlock(&sisusb->lock); |
1da177e4 | 2444 | |
1da177e4 LT |
2445 | return 0; |
2446 | } | |
2447 | ||
06e21efa | 2448 | void sisusb_delete(struct kref *kref) |
1da177e4 LT |
2449 | { |
2450 | struct sisusb_usb_data *sisusb = to_sisusb_dev(kref); | |
2451 | ||
2452 | if (!sisusb) | |
2453 | return; | |
2454 | ||
bb2d43e0 | 2455 | usb_put_dev(sisusb->sisusb_dev); |
1da177e4 LT |
2456 | |
2457 | sisusb->sisusb_dev = NULL; | |
2458 | sisusb_free_buffers(sisusb); | |
2459 | sisusb_free_urbs(sisusb); | |
1bbb4f20 TW |
2460 | #ifdef INCL_SISUSB_CON |
2461 | kfree(sisusb->SiS_Pr); | |
2462 | #endif | |
1da177e4 LT |
2463 | kfree(sisusb); |
2464 | } | |
2465 | ||
06e21efa | 2466 | static int sisusb_release(struct inode *inode, struct file *file) |
1da177e4 LT |
2467 | { |
2468 | struct sisusb_usb_data *sisusb; | |
1da177e4 | 2469 | |
187859f9 GKH |
2470 | sisusb = file->private_data; |
2471 | if (!sisusb) | |
1da177e4 | 2472 | return -ENODEV; |
1da177e4 | 2473 | |
2682d27c | 2474 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2475 | |
2476 | if (sisusb->present) { | |
2477 | /* Wait for all URBs to finish if device still present */ | |
2478 | if (!sisusb_wait_all_out_complete(sisusb)) | |
2479 | sisusb_kill_all_busy(sisusb); | |
2480 | } | |
2481 | ||
1da177e4 LT |
2482 | sisusb->isopen = 0; |
2483 | file->private_data = NULL; | |
2484 | ||
2682d27c | 2485 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2486 | |
2487 | /* decrement the usage count on our device */ | |
2488 | kref_put(&sisusb->kref, sisusb_delete); | |
2489 | ||
1da177e4 LT |
2490 | return 0; |
2491 | } | |
2492 | ||
06e21efa PST |
2493 | static ssize_t sisusb_read(struct file *file, char __user *buffer, |
2494 | size_t count, loff_t *ppos) | |
1da177e4 LT |
2495 | { |
2496 | struct sisusb_usb_data *sisusb; | |
2497 | ssize_t bytes_read = 0; | |
2498 | int errno = 0; | |
2499 | u8 buf8; | |
2500 | u16 buf16; | |
2501 | u32 buf32, address; | |
2502 | ||
187859f9 GKH |
2503 | sisusb = file->private_data; |
2504 | if (!sisusb) | |
1da177e4 LT |
2505 | return -ENODEV; |
2506 | ||
2682d27c | 2507 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2508 | |
2509 | /* Sanity check */ | |
2510 | if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { | |
2682d27c | 2511 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2512 | return -ENODEV; |
2513 | } | |
2514 | ||
2515 | if ((*ppos) >= SISUSB_PCI_PSEUDO_IOPORTBASE && | |
f74a039c | 2516 | (*ppos) < SISUSB_PCI_PSEUDO_IOPORTBASE + 128) { |
1da177e4 | 2517 | |
06e21efa PST |
2518 | address = (*ppos) - SISUSB_PCI_PSEUDO_IOPORTBASE + |
2519 | SISUSB_PCI_IOPORTBASE; | |
1da177e4 LT |
2520 | |
2521 | /* Read i/o ports | |
2522 | * Byte, word and long(32) can be read. As this | |
2523 | * emulates inX instructions, the data returned is | |
2524 | * in machine-endianness. | |
2525 | */ | |
2526 | switch (count) { | |
f74a039c | 2527 | case 1: |
06e21efa | 2528 | if (sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, |
f74a039c PST |
2529 | address, &buf8)) |
2530 | errno = -EIO; | |
2531 | else if (put_user(buf8, (u8 __user *)buffer)) | |
2532 | errno = -EFAULT; | |
2533 | else | |
2534 | bytes_read = 1; | |
1da177e4 | 2535 | |
f74a039c | 2536 | break; |
1da177e4 | 2537 | |
f74a039c | 2538 | case 2: |
06e21efa | 2539 | if (sisusb_read_memio_word(sisusb, SISUSB_TYPE_IO, |
f74a039c PST |
2540 | address, &buf16)) |
2541 | errno = -EIO; | |
2542 | else if (put_user(buf16, (u16 __user *)buffer)) | |
2543 | errno = -EFAULT; | |
2544 | else | |
2545 | bytes_read = 2; | |
1da177e4 | 2546 | |
f74a039c | 2547 | break; |
1da177e4 | 2548 | |
f74a039c | 2549 | case 4: |
06e21efa | 2550 | if (sisusb_read_memio_long(sisusb, SISUSB_TYPE_IO, |
f74a039c PST |
2551 | address, &buf32)) |
2552 | errno = -EIO; | |
2553 | else if (put_user(buf32, (u32 __user *)buffer)) | |
2554 | errno = -EFAULT; | |
2555 | else | |
2556 | bytes_read = 4; | |
1da177e4 | 2557 | |
f74a039c | 2558 | break; |
1da177e4 | 2559 | |
f74a039c PST |
2560 | default: |
2561 | errno = -EIO; | |
1da177e4 LT |
2562 | |
2563 | } | |
2564 | ||
06e21efa PST |
2565 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_MEMBASE && (*ppos) < |
2566 | SISUSB_PCI_PSEUDO_MEMBASE + sisusb->vramsize) { | |
1da177e4 | 2567 | |
06e21efa PST |
2568 | address = (*ppos) - SISUSB_PCI_PSEUDO_MEMBASE + |
2569 | SISUSB_PCI_MEMBASE; | |
1da177e4 LT |
2570 | |
2571 | /* Read video ram | |
2572 | * Remember: Data delivered is never endian-corrected | |
2573 | */ | |
2574 | errno = sisusb_read_mem_bulk(sisusb, address, | |
f74a039c | 2575 | NULL, count, buffer, &bytes_read); |
1da177e4 LT |
2576 | |
2577 | if (bytes_read) | |
2578 | errno = bytes_read; | |
2579 | ||
2580 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_MMIOBASE && | |
06e21efa PST |
2581 | (*ppos) < SISUSB_PCI_PSEUDO_MMIOBASE + |
2582 | SISUSB_PCI_MMIOSIZE) { | |
1da177e4 | 2583 | |
06e21efa PST |
2584 | address = (*ppos) - SISUSB_PCI_PSEUDO_MMIOBASE + |
2585 | SISUSB_PCI_MMIOBASE; | |
1da177e4 LT |
2586 | |
2587 | /* Read MMIO | |
2588 | * Remember: Data delivered is never endian-corrected | |
2589 | */ | |
2590 | errno = sisusb_read_mem_bulk(sisusb, address, | |
f74a039c | 2591 | NULL, count, buffer, &bytes_read); |
1da177e4 LT |
2592 | |
2593 | if (bytes_read) | |
2594 | errno = bytes_read; | |
2595 | ||
2596 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_PCIBASE && | |
f74a039c | 2597 | (*ppos) <= SISUSB_PCI_PSEUDO_PCIBASE + 0x5c) { |
1da177e4 LT |
2598 | |
2599 | if (count != 4) { | |
2682d27c | 2600 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2601 | return -EINVAL; |
2602 | } | |
2603 | ||
2604 | address = (*ppos) - SISUSB_PCI_PSEUDO_PCIBASE; | |
2605 | ||
2606 | /* Read PCI config register | |
2607 | * Return value delivered in machine endianness. | |
2608 | */ | |
2609 | if (sisusb_read_pci_config(sisusb, address, &buf32)) | |
2610 | errno = -EIO; | |
2611 | else if (put_user(buf32, (u32 __user *)buffer)) | |
2612 | errno = -EFAULT; | |
2613 | else | |
2614 | bytes_read = 4; | |
2615 | ||
2616 | } else { | |
2617 | ||
2618 | errno = -EBADFD; | |
2619 | ||
2620 | } | |
2621 | ||
2622 | (*ppos) += bytes_read; | |
2623 | ||
2682d27c | 2624 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2625 | |
2626 | return errno ? errno : bytes_read; | |
2627 | } | |
2628 | ||
06e21efa PST |
2629 | static ssize_t sisusb_write(struct file *file, const char __user *buffer, |
2630 | size_t count, loff_t *ppos) | |
1da177e4 LT |
2631 | { |
2632 | struct sisusb_usb_data *sisusb; | |
2633 | int errno = 0; | |
2634 | ssize_t bytes_written = 0; | |
2635 | u8 buf8; | |
2636 | u16 buf16; | |
2637 | u32 buf32, address; | |
2638 | ||
187859f9 GKH |
2639 | sisusb = file->private_data; |
2640 | if (!sisusb) | |
1da177e4 LT |
2641 | return -ENODEV; |
2642 | ||
2682d27c | 2643 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2644 | |
2645 | /* Sanity check */ | |
2646 | if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { | |
2682d27c | 2647 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2648 | return -ENODEV; |
2649 | } | |
2650 | ||
2651 | if ((*ppos) >= SISUSB_PCI_PSEUDO_IOPORTBASE && | |
f74a039c | 2652 | (*ppos) < SISUSB_PCI_PSEUDO_IOPORTBASE + 128) { |
1da177e4 | 2653 | |
06e21efa PST |
2654 | address = (*ppos) - SISUSB_PCI_PSEUDO_IOPORTBASE + |
2655 | SISUSB_PCI_IOPORTBASE; | |
1da177e4 LT |
2656 | |
2657 | /* Write i/o ports | |
2658 | * Byte, word and long(32) can be written. As this | |
2659 | * emulates outX instructions, the data is expected | |
2660 | * in machine-endianness. | |
2661 | */ | |
2662 | switch (count) { | |
f74a039c PST |
2663 | case 1: |
2664 | if (get_user(buf8, (u8 __user *)buffer)) | |
2665 | errno = -EFAULT; | |
2666 | else if (sisusb_write_memio_byte(sisusb, | |
06e21efa | 2667 | SISUSB_TYPE_IO, address, buf8)) |
f74a039c PST |
2668 | errno = -EIO; |
2669 | else | |
2670 | bytes_written = 1; | |
1da177e4 | 2671 | |
f74a039c | 2672 | break; |
1da177e4 | 2673 | |
f74a039c PST |
2674 | case 2: |
2675 | if (get_user(buf16, (u16 __user *)buffer)) | |
2676 | errno = -EFAULT; | |
2677 | else if (sisusb_write_memio_word(sisusb, | |
06e21efa | 2678 | SISUSB_TYPE_IO, address, buf16)) |
f74a039c PST |
2679 | errno = -EIO; |
2680 | else | |
2681 | bytes_written = 2; | |
1da177e4 | 2682 | |
f74a039c | 2683 | break; |
1da177e4 | 2684 | |
f74a039c PST |
2685 | case 4: |
2686 | if (get_user(buf32, (u32 __user *)buffer)) | |
2687 | errno = -EFAULT; | |
2688 | else if (sisusb_write_memio_long(sisusb, | |
06e21efa | 2689 | SISUSB_TYPE_IO, address, buf32)) |
f74a039c PST |
2690 | errno = -EIO; |
2691 | else | |
2692 | bytes_written = 4; | |
1da177e4 | 2693 | |
f74a039c | 2694 | break; |
1da177e4 | 2695 | |
f74a039c PST |
2696 | default: |
2697 | errno = -EIO; | |
1da177e4 LT |
2698 | } |
2699 | ||
2700 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_MEMBASE && | |
06e21efa PST |
2701 | (*ppos) < SISUSB_PCI_PSEUDO_MEMBASE + |
2702 | sisusb->vramsize) { | |
1da177e4 | 2703 | |
06e21efa PST |
2704 | address = (*ppos) - SISUSB_PCI_PSEUDO_MEMBASE + |
2705 | SISUSB_PCI_MEMBASE; | |
1da177e4 LT |
2706 | |
2707 | /* Write video ram. | |
2708 | * Buffer is copied 1:1, therefore, on big-endian | |
2709 | * machines, the data must be swapped by userland | |
2710 | * in advance (if applicable; no swapping in 8bpp | |
2711 | * mode or if YUV data is being transferred). | |
2712 | */ | |
2713 | errno = sisusb_write_mem_bulk(sisusb, address, NULL, | |
f74a039c | 2714 | count, buffer, 0, &bytes_written); |
1da177e4 LT |
2715 | |
2716 | if (bytes_written) | |
2717 | errno = bytes_written; | |
2718 | ||
2719 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_MMIOBASE && | |
06e21efa PST |
2720 | (*ppos) < SISUSB_PCI_PSEUDO_MMIOBASE + |
2721 | SISUSB_PCI_MMIOSIZE) { | |
1da177e4 | 2722 | |
06e21efa PST |
2723 | address = (*ppos) - SISUSB_PCI_PSEUDO_MMIOBASE + |
2724 | SISUSB_PCI_MMIOBASE; | |
1da177e4 LT |
2725 | |
2726 | /* Write MMIO. | |
2727 | * Buffer is copied 1:1, therefore, on big-endian | |
2728 | * machines, the data must be swapped by userland | |
2729 | * in advance. | |
2730 | */ | |
2731 | errno = sisusb_write_mem_bulk(sisusb, address, NULL, | |
f74a039c | 2732 | count, buffer, 0, &bytes_written); |
1da177e4 LT |
2733 | |
2734 | if (bytes_written) | |
2735 | errno = bytes_written; | |
2736 | ||
2737 | } else if ((*ppos) >= SISUSB_PCI_PSEUDO_PCIBASE && | |
06e21efa PST |
2738 | (*ppos) <= SISUSB_PCI_PSEUDO_PCIBASE + |
2739 | SISUSB_PCI_PCONFSIZE) { | |
1da177e4 LT |
2740 | |
2741 | if (count != 4) { | |
2682d27c | 2742 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2743 | return -EINVAL; |
2744 | } | |
2745 | ||
2746 | address = (*ppos) - SISUSB_PCI_PSEUDO_PCIBASE; | |
2747 | ||
2748 | /* Write PCI config register. | |
2749 | * Given value expected in machine endianness. | |
2750 | */ | |
2751 | if (get_user(buf32, (u32 __user *)buffer)) | |
2752 | errno = -EFAULT; | |
2753 | else if (sisusb_write_pci_config(sisusb, address, buf32)) | |
2754 | errno = -EIO; | |
2755 | else | |
2756 | bytes_written = 4; | |
2757 | ||
2758 | ||
2759 | } else { | |
2760 | ||
2761 | /* Error */ | |
2762 | errno = -EBADFD; | |
2763 | ||
2764 | } | |
2765 | ||
2766 | (*ppos) += bytes_written; | |
2767 | ||
2682d27c | 2768 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2769 | |
2770 | return errno ? errno : bytes_written; | |
2771 | } | |
2772 | ||
06e21efa | 2773 | static loff_t sisusb_lseek(struct file *file, loff_t offset, int orig) |
1da177e4 LT |
2774 | { |
2775 | struct sisusb_usb_data *sisusb; | |
2776 | loff_t ret; | |
2777 | ||
187859f9 GKH |
2778 | sisusb = file->private_data; |
2779 | if (!sisusb) | |
1da177e4 LT |
2780 | return -ENODEV; |
2781 | ||
2682d27c | 2782 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2783 | |
2784 | /* Sanity check */ | |
2785 | if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { | |
2682d27c | 2786 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2787 | return -ENODEV; |
2788 | } | |
2789 | ||
b25472f9 | 2790 | ret = no_seek_end_llseek(file, offset, orig); |
1da177e4 | 2791 | |
2682d27c | 2792 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2793 | return ret; |
2794 | } | |
2795 | ||
06e21efa PST |
2796 | static int sisusb_handle_command(struct sisusb_usb_data *sisusb, |
2797 | struct sisusb_command *y, unsigned long arg) | |
1da177e4 | 2798 | { |
ed86d970 | 2799 | int retval, port, length; |
1da177e4 LT |
2800 | u32 address; |
2801 | ||
1bbb4f20 TW |
2802 | /* All our commands require the device |
2803 | * to be initialized. | |
2804 | */ | |
2805 | if (!sisusb->devinit) | |
2806 | return -ENODEV; | |
2807 | ||
1da177e4 LT |
2808 | port = y->data3 - |
2809 | SISUSB_PCI_PSEUDO_IOPORTBASE + | |
2810 | SISUSB_PCI_IOPORTBASE; | |
2811 | ||
2812 | switch (y->operation) { | |
f74a039c PST |
2813 | case SUCMD_GET: |
2814 | retval = sisusb_getidxreg(sisusb, port, y->data0, &y->data1); | |
2815 | if (!retval) { | |
2816 | if (copy_to_user((void __user *)arg, y, sizeof(*y))) | |
2817 | retval = -EFAULT; | |
2818 | } | |
2819 | break; | |
1da177e4 | 2820 | |
f74a039c PST |
2821 | case SUCMD_SET: |
2822 | retval = sisusb_setidxreg(sisusb, port, y->data0, y->data1); | |
2823 | break; | |
1da177e4 | 2824 | |
f74a039c PST |
2825 | case SUCMD_SETOR: |
2826 | retval = sisusb_setidxregor(sisusb, port, y->data0, y->data1); | |
2827 | break; | |
1da177e4 | 2828 | |
f74a039c PST |
2829 | case SUCMD_SETAND: |
2830 | retval = sisusb_setidxregand(sisusb, port, y->data0, y->data1); | |
2831 | break; | |
1da177e4 | 2832 | |
f74a039c PST |
2833 | case SUCMD_SETANDOR: |
2834 | retval = sisusb_setidxregandor(sisusb, port, y->data0, | |
2835 | y->data1, y->data2); | |
2836 | break; | |
1da177e4 | 2837 | |
f74a039c PST |
2838 | case SUCMD_SETMASK: |
2839 | retval = sisusb_setidxregmask(sisusb, port, y->data0, | |
2840 | y->data1, y->data2); | |
2841 | break; | |
1da177e4 | 2842 | |
f74a039c PST |
2843 | case SUCMD_CLRSCR: |
2844 | /* Gfx core must be initialized */ | |
2845 | if (!sisusb->gfxinit) | |
2846 | return -ENODEV; | |
1bbb4f20 | 2847 | |
f74a039c PST |
2848 | length = (y->data0 << 16) | (y->data1 << 8) | y->data2; |
2849 | address = y->data3 - SISUSB_PCI_PSEUDO_MEMBASE + | |
1da177e4 | 2850 | SISUSB_PCI_MEMBASE; |
f74a039c PST |
2851 | retval = sisusb_clear_vram(sisusb, address, length); |
2852 | break; | |
1da177e4 | 2853 | |
f74a039c PST |
2854 | case SUCMD_HANDLETEXTMODE: |
2855 | retval = 0; | |
1bbb4f20 | 2856 | #ifdef INCL_SISUSB_CON |
f74a039c PST |
2857 | /* Gfx core must be initialized, SiS_Pr must exist */ |
2858 | if (!sisusb->gfxinit || !sisusb->SiS_Pr) | |
2859 | return -ENODEV; | |
1bbb4f20 | 2860 | |
f74a039c PST |
2861 | switch (y->data0) { |
2862 | case 0: | |
2863 | retval = sisusb_reset_text_mode(sisusb, 0); | |
2864 | break; | |
2865 | case 1: | |
2866 | sisusb->textmodedestroyed = 1; | |
1bbb4f20 | 2867 | break; |
f74a039c PST |
2868 | } |
2869 | #endif | |
2870 | break; | |
1bbb4f20 TW |
2871 | |
2872 | #ifdef INCL_SISUSB_CON | |
f74a039c PST |
2873 | case SUCMD_SETMODE: |
2874 | /* Gfx core must be initialized, SiS_Pr must exist */ | |
2875 | if (!sisusb->gfxinit || !sisusb->SiS_Pr) | |
2876 | return -ENODEV; | |
1bbb4f20 | 2877 | |
f74a039c | 2878 | retval = 0; |
1bbb4f20 | 2879 | |
f74a039c PST |
2880 | sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; |
2881 | sisusb->SiS_Pr->sisusb = (void *)sisusb; | |
1bbb4f20 | 2882 | |
f74a039c PST |
2883 | if (SiSUSBSetMode(sisusb->SiS_Pr, y->data3)) |
2884 | retval = -EINVAL; | |
1bbb4f20 | 2885 | |
f74a039c | 2886 | break; |
1bbb4f20 | 2887 | |
f74a039c PST |
2888 | case SUCMD_SETVESAMODE: |
2889 | /* Gfx core must be initialized, SiS_Pr must exist */ | |
2890 | if (!sisusb->gfxinit || !sisusb->SiS_Pr) | |
2891 | return -ENODEV; | |
1bbb4f20 | 2892 | |
f74a039c | 2893 | retval = 0; |
1bbb4f20 | 2894 | |
f74a039c PST |
2895 | sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; |
2896 | sisusb->SiS_Pr->sisusb = (void *)sisusb; | |
1bbb4f20 | 2897 | |
f74a039c PST |
2898 | if (SiSUSBSetVESAMode(sisusb->SiS_Pr, y->data3)) |
2899 | retval = -EINVAL; | |
1bbb4f20 | 2900 | |
f74a039c | 2901 | break; |
1bbb4f20 TW |
2902 | #endif |
2903 | ||
f74a039c PST |
2904 | default: |
2905 | retval = -EINVAL; | |
1da177e4 LT |
2906 | } |
2907 | ||
1bbb4f20 | 2908 | if (retval > 0) |
1da177e4 LT |
2909 | retval = -EIO; |
2910 | ||
2911 | return retval; | |
2912 | } | |
2913 | ||
06e21efa | 2914 | static long sisusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
1da177e4 LT |
2915 | { |
2916 | struct sisusb_usb_data *sisusb; | |
2917 | struct sisusb_info x; | |
2918 | struct sisusb_command y; | |
41f2c6e8 | 2919 | long retval = 0; |
1da177e4 LT |
2920 | u32 __user *argp = (u32 __user *)arg; |
2921 | ||
187859f9 GKH |
2922 | sisusb = file->private_data; |
2923 | if (!sisusb) | |
1da177e4 LT |
2924 | return -ENODEV; |
2925 | ||
2682d27c | 2926 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
2927 | |
2928 | /* Sanity check */ | |
2929 | if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { | |
2930 | retval = -ENODEV; | |
2931 | goto err_out; | |
2932 | } | |
2933 | ||
2934 | switch (cmd) { | |
f74a039c | 2935 | case SISUSB_GET_CONFIG_SIZE: |
1da177e4 | 2936 | |
f74a039c PST |
2937 | if (put_user(sizeof(x), argp)) |
2938 | retval = -EFAULT; | |
1da177e4 | 2939 | |
f74a039c | 2940 | break; |
1da177e4 | 2941 | |
f74a039c PST |
2942 | case SISUSB_GET_CONFIG: |
2943 | ||
2944 | x.sisusb_id = SISUSB_ID; | |
2945 | x.sisusb_version = SISUSB_VERSION; | |
2946 | x.sisusb_revision = SISUSB_REVISION; | |
2947 | x.sisusb_patchlevel = SISUSB_PATCHLEVEL; | |
2948 | x.sisusb_gfxinit = sisusb->gfxinit; | |
2949 | x.sisusb_vrambase = SISUSB_PCI_PSEUDO_MEMBASE; | |
2950 | x.sisusb_mmiobase = SISUSB_PCI_PSEUDO_MMIOBASE; | |
2951 | x.sisusb_iobase = SISUSB_PCI_PSEUDO_IOPORTBASE; | |
2952 | x.sisusb_pcibase = SISUSB_PCI_PSEUDO_PCIBASE; | |
2953 | x.sisusb_vramsize = sisusb->vramsize; | |
2954 | x.sisusb_minor = sisusb->minor; | |
2955 | x.sisusb_fbdevactive = 0; | |
1bbb4f20 | 2956 | #ifdef INCL_SISUSB_CON |
f74a039c | 2957 | x.sisusb_conactive = sisusb->haveconsole ? 1 : 0; |
1bbb4f20 | 2958 | #else |
f74a039c | 2959 | x.sisusb_conactive = 0; |
1bbb4f20 | 2960 | #endif |
f74a039c | 2961 | memset(x.sisusb_reserved, 0, sizeof(x.sisusb_reserved)); |
1da177e4 | 2962 | |
f74a039c PST |
2963 | if (copy_to_user((void __user *)arg, &x, sizeof(x))) |
2964 | retval = -EFAULT; | |
1da177e4 | 2965 | |
f74a039c | 2966 | break; |
1da177e4 | 2967 | |
f74a039c | 2968 | case SISUSB_COMMAND: |
1da177e4 | 2969 | |
f74a039c PST |
2970 | if (copy_from_user(&y, (void __user *)arg, sizeof(y))) |
2971 | retval = -EFAULT; | |
2972 | else | |
2973 | retval = sisusb_handle_command(sisusb, &y, arg); | |
1da177e4 | 2974 | |
f74a039c | 2975 | break; |
1da177e4 | 2976 | |
f74a039c PST |
2977 | default: |
2978 | retval = -ENOTTY; | |
2979 | break; | |
1da177e4 LT |
2980 | } |
2981 | ||
2982 | err_out: | |
2682d27c | 2983 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
2984 | return retval; |
2985 | } | |
2986 | ||
2987 | #ifdef SISUSB_NEW_CONFIG_COMPAT | |
06e21efa PST |
2988 | static long sisusb_compat_ioctl(struct file *f, unsigned int cmd, |
2989 | unsigned long arg) | |
1da177e4 LT |
2990 | { |
2991 | long retval; | |
2992 | ||
2993 | switch (cmd) { | |
f74a039c PST |
2994 | case SISUSB_GET_CONFIG_SIZE: |
2995 | case SISUSB_GET_CONFIG: | |
2996 | case SISUSB_COMMAND: | |
2997 | retval = sisusb_ioctl(f, cmd, arg); | |
2998 | return retval; | |
1da177e4 | 2999 | |
f74a039c PST |
3000 | default: |
3001 | return -ENOIOCTLCMD; | |
1da177e4 LT |
3002 | } |
3003 | } | |
3004 | #endif | |
3005 | ||
066202dd | 3006 | static const struct file_operations usb_sisusb_fops = { |
1da177e4 LT |
3007 | .owner = THIS_MODULE, |
3008 | .open = sisusb_open, | |
3009 | .release = sisusb_release, | |
3010 | .read = sisusb_read, | |
3011 | .write = sisusb_write, | |
ed86d970 | 3012 | .llseek = sisusb_lseek, |
1da177e4 LT |
3013 | #ifdef SISUSB_NEW_CONFIG_COMPAT |
3014 | .compat_ioctl = sisusb_compat_ioctl, | |
3015 | #endif | |
49f15255 | 3016 | .unlocked_ioctl = sisusb_ioctl |
1da177e4 LT |
3017 | }; |
3018 | ||
3019 | static struct usb_class_driver usb_sisusb_class = { | |
1bbb4f20 | 3020 | .name = "sisusbvga%d", |
1bbb4f20 | 3021 | .fops = &usb_sisusb_fops, |
1da177e4 LT |
3022 | .minor_base = SISUSB_MINOR |
3023 | }; | |
3024 | ||
3025 | static int sisusb_probe(struct usb_interface *intf, | |
f74a039c | 3026 | const struct usb_device_id *id) |
1da177e4 LT |
3027 | { |
3028 | struct usb_device *dev = interface_to_usbdev(intf); | |
3029 | struct sisusb_usb_data *sisusb; | |
3030 | int retval = 0, i; | |
1da177e4 | 3031 | |
7b5cd5fe | 3032 | dev_info(&dev->dev, "USB2VGA dongle found at address %d\n", |
f74a039c | 3033 | dev->devnum); |
1da177e4 LT |
3034 | |
3035 | /* Allocate memory for our private */ | |
187859f9 | 3036 | sisusb = kzalloc(sizeof(*sisusb), GFP_KERNEL); |
f40849b8 | 3037 | if (!sisusb) |
1da177e4 | 3038 | return -ENOMEM; |
f40849b8 | 3039 | |
1da177e4 LT |
3040 | kref_init(&sisusb->kref); |
3041 | ||
2682d27c | 3042 | mutex_init(&(sisusb->lock)); |
1da177e4 LT |
3043 | |
3044 | /* Register device */ | |
187859f9 GKH |
3045 | retval = usb_register_dev(intf, &usb_sisusb_class); |
3046 | if (retval) { | |
06e21efa PST |
3047 | dev_err(&sisusb->sisusb_dev->dev, |
3048 | "Failed to get a minor for device %d\n", | |
3049 | dev->devnum); | |
1da177e4 LT |
3050 | retval = -ENODEV; |
3051 | goto error_1; | |
3052 | } | |
3053 | ||
3054 | sisusb->sisusb_dev = dev; | |
3055 | sisusb->minor = intf->minor; | |
3056 | sisusb->vrambase = SISUSB_PCI_MEMBASE; | |
3057 | sisusb->mmiobase = SISUSB_PCI_MMIOBASE; | |
3058 | sisusb->mmiosize = SISUSB_PCI_MMIOSIZE; | |
3059 | sisusb->ioportbase = SISUSB_PCI_IOPORTBASE; | |
3060 | /* Everything else is zero */ | |
3061 | ||
3062 | /* Allocate buffers */ | |
3063 | sisusb->ibufsize = SISUSB_IBUF_SIZE; | |
662bfe7b PST |
3064 | sisusb->ibuf = kmalloc(SISUSB_IBUF_SIZE, GFP_KERNEL); |
3065 | if (!sisusb->ibuf) { | |
1da177e4 LT |
3066 | retval = -ENOMEM; |
3067 | goto error_2; | |
3068 | } | |
3069 | ||
3070 | sisusb->numobufs = 0; | |
3071 | sisusb->obufsize = SISUSB_OBUF_SIZE; | |
3072 | for (i = 0; i < NUMOBUFS; i++) { | |
662bfe7b PST |
3073 | sisusb->obuf[i] = kmalloc(SISUSB_OBUF_SIZE, GFP_KERNEL); |
3074 | if (!sisusb->obuf[i]) { | |
1da177e4 | 3075 | if (i == 0) { |
1da177e4 LT |
3076 | retval = -ENOMEM; |
3077 | goto error_3; | |
3078 | } | |
3079 | break; | |
f996c49d PST |
3080 | } |
3081 | sisusb->numobufs++; | |
1da177e4 LT |
3082 | } |
3083 | ||
3084 | /* Allocate URBs */ | |
662bfe7b PST |
3085 | sisusb->sisurbin = usb_alloc_urb(0, GFP_KERNEL); |
3086 | if (!sisusb->sisurbin) { | |
1da177e4 LT |
3087 | retval = -ENOMEM; |
3088 | goto error_3; | |
3089 | } | |
3090 | sisusb->completein = 1; | |
3091 | ||
3092 | for (i = 0; i < sisusb->numobufs; i++) { | |
662bfe7b PST |
3093 | sisusb->sisurbout[i] = usb_alloc_urb(0, GFP_KERNEL); |
3094 | if (!sisusb->sisurbout[i]) { | |
1da177e4 LT |
3095 | retval = -ENOMEM; |
3096 | goto error_4; | |
3097 | } | |
3098 | sisusb->urbout_context[i].sisusb = (void *)sisusb; | |
3099 | sisusb->urbout_context[i].urbindex = i; | |
3100 | sisusb->urbstatus[i] = 0; | |
3101 | } | |
3102 | ||
06e21efa PST |
3103 | dev_info(&sisusb->sisusb_dev->dev, "Allocated %d output buffers\n", |
3104 | sisusb->numobufs); | |
1da177e4 | 3105 | |
1bbb4f20 TW |
3106 | #ifdef INCL_SISUSB_CON |
3107 | /* Allocate our SiS_Pr */ | |
662bfe7b PST |
3108 | sisusb->SiS_Pr = kmalloc(sizeof(struct SiS_Private), GFP_KERNEL); |
3109 | if (!sisusb->SiS_Pr) { | |
0e781c22 PST |
3110 | retval = -ENOMEM; |
3111 | goto error_4; | |
1bbb4f20 TW |
3112 | } |
3113 | #endif | |
3114 | ||
1da177e4 LT |
3115 | /* Do remaining init stuff */ |
3116 | ||
3117 | init_waitqueue_head(&sisusb->wait_q); | |
3118 | ||
3119 | usb_set_intfdata(intf, sisusb); | |
3120 | ||
1bbb4f20 TW |
3121 | usb_get_dev(sisusb->sisusb_dev); |
3122 | ||
3123 | sisusb->present = 1; | |
3124 | ||
88a0044e | 3125 | if (dev->speed == USB_SPEED_HIGH || dev->speed >= USB_SPEED_SUPER) { |
1bbb4f20 TW |
3126 | int initscreen = 1; |
3127 | #ifdef INCL_SISUSB_CON | |
06e21efa PST |
3128 | if (sisusb_first_vc > 0 && sisusb_last_vc > 0 && |
3129 | sisusb_first_vc <= sisusb_last_vc && | |
3130 | sisusb_last_vc <= MAX_NR_CONSOLES) | |
1bbb4f20 TW |
3131 | initscreen = 0; |
3132 | #endif | |
3133 | if (sisusb_init_gfxdevice(sisusb, initscreen)) | |
06e21efa PST |
3134 | dev_err(&sisusb->sisusb_dev->dev, |
3135 | "Failed to early initialize device\n"); | |
1da177e4 LT |
3136 | |
3137 | } else | |
06e21efa PST |
3138 | dev_info(&sisusb->sisusb_dev->dev, |
3139 | "Not attached to USB 2.0 hub, deferring init\n"); | |
1da177e4 LT |
3140 | |
3141 | sisusb->ready = 1; | |
3142 | ||
1bbb4f20 | 3143 | #ifdef SISUSBENDIANTEST |
7b5cd5fe | 3144 | dev_dbg(&sisusb->sisusb_dev->dev, "*** RWTEST ***\n"); |
1bbb4f20 | 3145 | sisusb_testreadwrite(sisusb); |
7b5cd5fe | 3146 | dev_dbg(&sisusb->sisusb_dev->dev, "*** RWTEST END ***\n"); |
1bbb4f20 TW |
3147 | #endif |
3148 | ||
3149 | #ifdef INCL_SISUSB_CON | |
3150 | sisusb_console_init(sisusb, sisusb_first_vc, sisusb_last_vc); | |
3151 | #endif | |
3152 | ||
1da177e4 LT |
3153 | return 0; |
3154 | ||
3155 | error_4: | |
3156 | sisusb_free_urbs(sisusb); | |
3157 | error_3: | |
3158 | sisusb_free_buffers(sisusb); | |
3159 | error_2: | |
3160 | usb_deregister_dev(intf, &usb_sisusb_class); | |
3161 | error_1: | |
3162 | kfree(sisusb); | |
3163 | return retval; | |
3164 | } | |
3165 | ||
3166 | static void sisusb_disconnect(struct usb_interface *intf) | |
3167 | { | |
3168 | struct sisusb_usb_data *sisusb; | |
1da177e4 | 3169 | |
1da177e4 | 3170 | /* This should *not* happen */ |
187859f9 GKH |
3171 | sisusb = usb_get_intfdata(intf); |
3172 | if (!sisusb) | |
1da177e4 | 3173 | return; |
1bbb4f20 TW |
3174 | |
3175 | #ifdef INCL_SISUSB_CON | |
3176 | sisusb_console_exit(sisusb); | |
3177 | #endif | |
3178 | ||
d4ead16f | 3179 | usb_deregister_dev(intf, &usb_sisusb_class); |
1da177e4 | 3180 | |
2682d27c | 3181 | mutex_lock(&sisusb->lock); |
1da177e4 LT |
3182 | |
3183 | /* Wait for all URBs to complete and kill them in case (MUST do) */ | |
3184 | if (!sisusb_wait_all_out_complete(sisusb)) | |
3185 | sisusb_kill_all_busy(sisusb); | |
3186 | ||
1da177e4 LT |
3187 | usb_set_intfdata(intf, NULL); |
3188 | ||
1da177e4 LT |
3189 | sisusb->present = 0; |
3190 | sisusb->ready = 0; | |
3191 | ||
2682d27c | 3192 | mutex_unlock(&sisusb->lock); |
1da177e4 LT |
3193 | |
3194 | /* decrement our usage count */ | |
3195 | kref_put(&sisusb->kref, sisusb_delete); | |
1da177e4 LT |
3196 | } |
3197 | ||
33b9e162 | 3198 | static const struct usb_device_id sisusb_table[] = { |
ca9024eb | 3199 | { USB_DEVICE(0x0711, 0x0550) }, |
1da177e4 | 3200 | { USB_DEVICE(0x0711, 0x0900) }, |
3003b9f7 NI |
3201 | { USB_DEVICE(0x0711, 0x0901) }, |
3202 | { USB_DEVICE(0x0711, 0x0902) }, | |
859ff407 | 3203 | { USB_DEVICE(0x0711, 0x0903) }, |
eaea0435 | 3204 | { USB_DEVICE(0x0711, 0x0918) }, |
bbcb8bba | 3205 | { USB_DEVICE(0x0711, 0x0920) }, |
58fc90db | 3206 | { USB_DEVICE(0x0711, 0x0950) }, |
5b6b80ae | 3207 | { USB_DEVICE(0x0711, 0x5200) }, |
7ab7c34c | 3208 | { USB_DEVICE(0x182d, 0x021c) }, |
cef11127 | 3209 | { USB_DEVICE(0x182d, 0x0269) }, |
1da177e4 LT |
3210 | { } |
3211 | }; | |
3212 | ||
f74a039c | 3213 | MODULE_DEVICE_TABLE(usb, sisusb_table); |
1da177e4 LT |
3214 | |
3215 | static struct usb_driver sisusb_driver = { | |
1da177e4 LT |
3216 | .name = "sisusb", |
3217 | .probe = sisusb_probe, | |
3218 | .disconnect = sisusb_disconnect, | |
7ab7c34c | 3219 | .id_table = sisusb_table, |
1da177e4 LT |
3220 | }; |
3221 | ||
3222 | static int __init usb_sisusb_init(void) | |
3223 | { | |
1da177e4 | 3224 | |
1bbb4f20 TW |
3225 | #ifdef INCL_SISUSB_CON |
3226 | sisusb_init_concode(); | |
3227 | #endif | |
3228 | ||
9dcfbd97 | 3229 | return usb_register(&sisusb_driver); |
1da177e4 LT |
3230 | } |
3231 | ||
3232 | static void __exit usb_sisusb_exit(void) | |
3233 | { | |
3234 | usb_deregister(&sisusb_driver); | |
3235 | } | |
3236 | ||
3237 | module_init(usb_sisusb_init); | |
3238 | module_exit(usb_sisusb_exit); | |
3239 | ||
3240 | MODULE_AUTHOR("Thomas Winischhofer <thomas@winischhofer.net>"); | |
1bbb4f20 | 3241 | MODULE_DESCRIPTION("sisusbvga - Driver for Net2280/SiS315-based USB2VGA dongles"); |
1da177e4 LT |
3242 | MODULE_LICENSE("GPL"); |
3243 |