1 //<MStar Software>
2 //******************************************************************************
3 // MStar Software
4 // Copyright (c) 2010 - 2012 MStar Semiconductor, Inc. All rights reserved.
5 // All software, firmware and related documentation herein ("MStar Software") are
6 // intellectual property of MStar Semiconductor, Inc. ("MStar") and protected by
7 // law, including, but not limited to, copyright law and international treaties.
8 // Any use, modification, reproduction, retransmission, or republication of all
9 // or part of MStar Software is expressly prohibited, unless prior written
10 // permission has been granted by MStar.
11 //
12 // By accessing, browsing and/or using MStar Software, you acknowledge that you
13 // have read, understood, and agree, to be bound by below terms ("Terms") and to
14 // comply with all applicable laws and regulations:
15 //
16 // 1. MStar shall retain any and all right, ownership and interest to MStar
17 // Software and any modification/derivatives thereof.
18 // No right, ownership, or interest to MStar Software and any
19 // modification/derivatives thereof is transferred to you under Terms.
20 //
21 // 2. You understand that MStar Software might include, incorporate or be
22 // supplied together with third party`s software and the use of MStar
23 // Software may require additional licenses from third parties.
24 // Therefore, you hereby agree it is your sole responsibility to separately
25 // obtain any and all third party right and license necessary for your use of
26 // such third party`s software.
27 //
28 // 3. MStar Software and any modification/derivatives thereof shall be deemed as
29 // MStar`s confidential information and you agree to keep MStar`s
30 // confidential information in strictest confidence and not disclose to any
31 // third party.
32 //
33 // 4. MStar Software is provided on an "AS IS" basis without warranties of any
34 // kind. Any warranties are hereby expressly disclaimed by MStar, including
35 // without limitation, any warranties of merchantability, non-infringement of
36 // intellectual property rights, fitness for a particular purpose, error free
37 // and in conformity with any international standard. You agree to waive any
38 // claim against MStar for any loss, damage, cost or expense that you may
39 // incur related to your use of MStar Software.
40 // In no event shall MStar be liable for any direct, indirect, incidental or
41 // consequential damages, including without limitation, lost of profit or
42 // revenues, lost or damage of data, and unauthorized system use.
43 // You agree that this Section 4 shall still apply without being affected
44 // even if MStar Software has been modified by MStar in accordance with your
45 // request or instruction for your use, except otherwise agreed by both
46 // parties in writing.
47 //
48 // 5. If requested, MStar may from time to time provide technical supports or
49 // services in relation with MStar Software to you for your use of
50 // MStar Software in conjunction with your or your customer`s product
51 // ("Services").
52 // You understand and agree that, except otherwise agreed by both parties in
53 // writing, Services are provided on an "AS IS" basis and the warranty
54 // disclaimer set forth in Section 4 above shall apply.
55 //
56 // 6. Nothing contained herein shall be construed as by implication, estoppels
57 // or otherwise:
58 // (a) conferring any license or right to use MStar name, trademark, service
59 // mark, symbol or any other identification;
60 // (b) obligating MStar or any of its affiliates to furnish any person,
61 // including without limitation, you and your customers, any assistance
62 // of any kind whatsoever, or any information; or
63 // (c) conferring any license or right under any intellectual property right.
64 //
65 // 7. These terms shall be governed by and construed in accordance with the laws
66 // of Taiwan, R.O.C., excluding its conflict of law rules.
67 // Any and all dispute arising out hereof or related hereto shall be finally
68 // settled by arbitration referred to the Chinese Arbitration Association,
69 // Taipei in accordance with the ROC Arbitration Law and the Arbitration
70 // Rules of the Association by three (3) arbitrators appointed in accordance
71 // with the said Rules.
72 // The place of arbitration shall be in Taipei, Taiwan and the language shall
73 // be English.
74 // The arbitration award shall be final and binding to both parties.
75 //
76 //******************************************************************************
77 //<MStar Software>
78
79 #include "MsCommon.h"
80 #define ehci_dbg(ehci, fmt, ...) \
81 dev_dbg ((ehci)->hcd.controller , fmt , __VA_ARGS__ )
82 #define ehci_err(ehci, fmt, ...) \
83 dev_err ((ehci)->hcd.controller , fmt , __VA_ARGS__ )
84 #define ehci_info(ehci, fmt, ...) \
85 dev_info ((ehci)->hcd.controller , fmt , __VA_ARGS__ )
86 #define ehci_warn(ehci, fmt, ...) \
87 dev_warn ((ehci)->hcd.controller , fmt , __VA_ARGS__ )
88
89 #ifdef EHCI_VERBOSE_DEBUG
90 #define ehci_vdbg ehci_dbg
91 #else
92 #define ehci_vdbg(ehci, fmt, args...) do { } while (0)
93 #endif
94
95 #ifdef CONFIG_USB_DEBUG
96
dbg_hcs_params(struct ehci_hcd * ehci,char * label)97 static void dbg_hcs_params (struct ehci_hcd *ehci, char *label)
98 {
99 char tmpStr[10];
100 U32 params = ehci_readl (&ehci->caps->hcs_params);
101
102
103 dev_dbg ((ehci)->hcd.controller,
104 "%s hcs_params 0x%x dbg=%d%s cc=%d pcc=%d%s%s ports=%d\n",
105 label, params,
106 HCS_DEBUG_PORT (params),
107 HCS_INDICATOR (params) ? " ind" : "",
108 HCS_N_CC (params),
109 HCS_N_PCC (params),
110 HCS_PORTROUTED (params) ? "" : " ordered",
111 HCS_PPC (params) ? "" : " !ppc", HCS_N_PORTS (params) );
112
113 if (HCS_PORTROUTED (params)) {
114 int i;
115 char buf [46], tmp [7], byte;
116
117 buf[0] = 0;
118 #ifndef CONFIG_FARADAY_FOTG200
119 for (i = 0; i < HCS_N_PORTS (params); i++) {
120 byte = ehci_readb (&ehci->caps->portroute[(i>>1)]);
121 USB_sprintf(tmp, "%d ",
122 ((i & 0x1) ? ((byte)&0xf) : ((byte>>4)&0xf)));
123 strcat(buf, tmp);
124 }
125 ehci_dbg (ehci, "%s portroute %s\n",
126 label, buf);
127 #endif
128 }
129 }
130 #else
131
dbg_hcs_params(struct ehci_hcd * ehci,char * label)132 static __inline__ void dbg_hcs_params (struct ehci_hcd *ehci, char *label) {}
133
134 #endif
135
136 #ifdef DEBUG
137
dbg_hcc_params(struct ehci_hcd * ehci,char * label)138 static void dbg_hcc_params (struct ehci_hcd *ehci, char *label)
139 {
140 U32 params = ehci_readl (&ehci->caps->hcc_params);
141
142 if (HCC_ISOC_CACHE (params)) {
143 dev_dbg ((ehci)->hcd.controller,
144 "%s hcc_params 0x%04x caching frame %s%s%s\n",
145 label,
146 params,
147 HCC_PGM_FRAMELISTLEN (params) ? "256/512/1024" : "1024",
148 HCC_CANPARK (params) ? " park" : "",
149 HCC_64BIT_ADDR (params) ? " 64 bit addr" : "");
150 } else {
151 dev_dbg ((ehci)->hcd.controller,
152 "%s hcc_params 0x%04x thresh %d uframes %s%s%s\n",
153 label,
154 params,
155 HCC_ISOC_THRES (params),
156 HCC_PGM_FRAMELISTLEN (params) ? "256/512/1024" : "1024",
157 HCC_CANPARK (params) ? " park" : "",
158 HCC_64BIT_ADDR (params) ? " 64 bit addr" : "");
159 }
160 }
161 #else
162
dbg_hcc_params(struct ehci_hcd * ehci,char * label)163 static __inline__ void dbg_hcc_params (struct ehci_hcd *ehci, char *label) {}
164
165 #endif
166
167 #ifdef DEBUG
168
169 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
170 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
171 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
172 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
173 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
174 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
175 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
176 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
177 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
dbg_qtd(char * label,struct ehci_hcd * ehci,struct ehci_qtd * qtd)178 static void dbg_qtd (char *label, struct ehci_hcd *ehci, struct ehci_qtd *qtd)
179 {
180 dev_dbg ((ehci)->hcd.controller, "%s qtd %p next%08x %08x token%08x buf=%08x\n", label, qtd,
181 cpu_to_le32p (&qtd->hw_next),
182 cpu_to_le32p (&qtd->hw_alt_next),
183 cpu_to_le32p (&qtd->hw_token),
184 cpu_to_le32p (&qtd->hw_buf [0]));
185 if (qtd->hw_buf [1])
186 dev_dbg ((ehci)->hcd.controller, " buf1=%08x buf2=%08x buf3=%08x bufp4=%08x\n",
187 cpu_to_le32p (&qtd->hw_buf [1]),
188 cpu_to_le32p (&qtd->hw_buf [2]),
189 cpu_to_le32p (&qtd->hw_buf [3]),
190 cpu_to_le32p (&qtd->hw_buf [4]));
191 }
192
dbg_qh(char * label,struct ehci_hcd * ehci,struct ehci_qh * qh)193 static void dbg_qh (char *label, struct ehci_hcd *ehci, struct ehci_qh *qh)
194 {
195 dev_dbg ((ehci)->hcd.controller, "%s qh %p next%08x info %x %x qtd %x\n", label,
196 qh, qh->hw_next, qh->hw_info1, qh->hw_info2,
197 qh->hw_current);
198 dbg_qtd ("qh overlay", ehci, (struct ehci_qtd *) &qh->hw_qtd_next);
199 }
200
201 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
202 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
203 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
204 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
205 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
206 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
207 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
208 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
209 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
210 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
211 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
212 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
213 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
214 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
215 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
216 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
217 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
218 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
dbg_status_buf(char * buf,unsigned len,char * label,U32 status)219 static int dbg_status_buf (char *buf, unsigned len, char *label, U32 status)
220 {
221 return snprintf (buf, len,
222 "%s%sstatus %04x%s%s%s%s%s%s%s%s%s%s",
223 label, label [0] ? " " : "", status,
224 (status & STS_ASS) ? " Async" : "",
225 (status & STS_PSS) ? " Periodic" : "",
226 (status & STS_RECL) ? " Recl" : "",
227 (status & STS_HALT) ? " Halt" : "",
228 (status & STS_IAA) ? " IAA" : "",
229 (status & STS_FATAL) ? " FATAL" : "",
230 (status & STS_FLR) ? " FLR" : "",
231 (status & STS_PCD) ? " PCD" : "",
232 (status & STS_ERR) ? " ERR" : "",
233 (status & STS_INT) ? " INT" : ""
234 );
235 }
236 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
237 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
238 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
239 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
240 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
241 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
242 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
243 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
244 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
245 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
246 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
247 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
248 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
249 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
250 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
251 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
252 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
253 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
254
dbg_intr_buf(char * buf,unsigned len,char * label,U32 enable)255 static int dbg_intr_buf (char *buf, unsigned len, char *label, U32 enable)
256 {
257 return snprintf (buf, len,
258 "%s%sintrenable %02x%s%s%s%s%s%s",
259 label, label [0] ? " " : "", enable,
260 (enable & STS_IAA) ? " IAA" : "",
261 (enable & STS_FATAL) ? " FATAL" : "",
262 (enable & STS_FLR) ? " FLR" : "",
263 (enable & STS_PCD) ? " PCD" : "",
264 (enable & STS_ERR) ? " ERR" : "",
265 (enable & STS_INT) ? " INT" : ""
266 );
267 }
268 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
269 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
270 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
271 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
272 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
273 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
274 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
275 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
276 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
277 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
278 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
279 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
280 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
281 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
282 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
283 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
284 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
285 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
286 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
287 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
288 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
289 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
290 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
291 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
292 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
293 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
294 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
295
296 static const char *const fls_strings [] =
297 { "1024", "512", "256", "??" };
298
299 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
300 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
301 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
302 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
303 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
304 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
305 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
306 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
307 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
dbg_command_buf(char * buf,unsigned len,char * label,U32 command)308 static int dbg_command_buf (char *buf, unsigned len, char *label, U32 command)
309 {
310 return snprintf (buf, len,
311 "%s%scmd %06x %s=%d ithresh=%d%s%s%s%s period=%s%s %s",
312 label, label [0] ? " " : "", command,
313 (command & CMD_PARK) ? "park" : "(park)",
314 CMD_PARK_CNT (command),
315 (command >> 16) & 0x3f,
316 (command & CMD_LRESET) ? " LReset" : "",
317 (command & CMD_IAAD) ? " IAAD" : "",
318 (command & CMD_ASE) ? " Async" : "",
319 (command & CMD_PSE) ? " Periodic" : "",
320 fls_strings [(command >> 2) & 0x3],
321 (command & CMD_RESET) ? " Reset" : "",
322 (command & CMD_RUN) ? "RUN" : "HALT"
323 );
324 }
325 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
326 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
327 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
328 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
329 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
330 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
331 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
332 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
333 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
334 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
335 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
336 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
337 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
338 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
339 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
340 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
341 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
342 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
343
344 static int
dbg_port_buf(char * buf,unsigned len,char * label,int port,U32 status)345 dbg_port_buf (char *buf, unsigned len, char *label, int port, U32 status)
346 {
347 char *sig;
348
349 /* signaling state */
350 switch (status & (3 << 10)) {
351 case 0 << 10: sig = "se0"; break;
352 case 1 << 10: sig = "k"; break; /* low speed */
353 case 2 << 10: sig = "j"; break;
354 default: sig = "?"; break;
355 }
356
357 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
358 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
359 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
360 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
361 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
362 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
363 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
364 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
365 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
366 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
367 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
368 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
369 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
370 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
371 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
372 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
373 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
374 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
375 return snprintf (buf, len,
376 "%s%sport %d status %06x%s%s sig=%s %s%s%s%s%s%s%s%s%s",
377 label, label [0] ? " " : "", port, status,
378 (status & PORT_POWER) ? " POWER" : "",
379 (status & PORT_OWNER) ? " OWNER" : "",
380 sig,
381 (status & PORT_RESET) ? " RESET" : "",
382 (status & PORT_SUSPEND) ? " SUSPEND" : "",
383 (status & PORT_RESUME) ? " RESUME" : "",
384 (status & PORT_OCC) ? " OCC" : "",
385 (status & PORT_OC) ? " OC" : "",
386 (status & PORT_PEC) ? " PEC" : "",
387 (status & PORT_PE) ? " PE" : "",
388 (status & PORT_CSC) ? " CSC" : "",
389 (status & PORT_CONNECT) ? " CONNECT" : ""
390 );
391 }
392 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
393 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
394 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
395 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
396 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
397 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
398 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
399 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
400 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
401 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
402 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
403 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
404 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
405 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
406 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
407 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
408 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
409 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
410
411 #else
dbg_qh(char * label,struct ehci_hcd * ehci,struct ehci_qh * qh)412 static inline void dbg_qh (char *label, struct ehci_hcd *ehci, struct ehci_qh *qh)
413 {}
414
dbg_status_buf(char * buf,unsigned len,char * label,U32 status)415 static inline int dbg_status_buf (char *buf, unsigned len, char *label, U32 status)
416 { return 0; }
417
dbg_command_buf(char * buf,unsigned len,char * label,U32 command)418 static inline int dbg_command_buf (char *buf, unsigned len, char *label, U32 command)
419 { return 0; }
420
dbg_intr_buf(char * buf,unsigned len,char * label,U32 enable)421 static inline int dbg_intr_buf (char *buf, unsigned len, char *label, U32 enable)
422 { return 0; }
423
dbg_port_buf(char * buf,unsigned len,char * label,int port,U32 status)424 static inline int dbg_port_buf (char *buf, unsigned len, char *label, int port, U32 status)
425 { return 0; }
426
427 #endif /* CONFIG_USB_DEBUG */
428
429 #define dbg_status(ehci, label, status) { \
430 char _buf [80]; \
431 dbg_status_buf (_buf, sizeof _buf, label, status); \
432 ehci_dbg (ehci, "%s\n", _buf); \
433 }
434
435 #define dbg_cmd(ehci, label, command) { \
436 char _buf [80]; \
437 dbg_command_buf (_buf, sizeof _buf, label, command); \
438 ehci_dbg (ehci, "%s\n", _buf); \
439 }
440
441 #define dbg_port(ehci, label, port, status) { \
442 char _buf [80]; \
443 dbg_port_buf (_buf, sizeof _buf, label, port, status); \
444 ehci_dbg (ehci, "%s\n", _buf); \
445 }
446
447 /*-------------------------------------------------------------------------*/
448
449 #ifdef CONFIG_USB_DEBUG
450
speed_char(int info1)451 static inline char speed_char(int info1)
452 {
453 char tmp;
454 switch (info1 & (3 << 12)) {
455 case 0 << 12:
456 tmp = 'f';
457 break;
458 case 1 << 12:
459 tmp = 'l';
460 break;
461 case 2 << 12:
462 tmp = 'h';
463 break;
464 default:
465 tmp = '?';
466 break;
467 }
468 return tmp;
469 }
470
token_mark(U32 token)471 static inline char token_mark (U32 token)
472 {
473 token = le32_to_cpu (token);
474 if (token & QTD_STS_ACTIVE)
475 return '*';
476 if (token & QTD_STS_HALT)
477 return '-';
478 if (!IS_SHORT_READ (token))
479 return ' ';
480 return '/';
481 }
482
483 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
484 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
485 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
486 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
487 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
488 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
489 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
490 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
491 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
492 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
493 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
494 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
495 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
496 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
497 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
498 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
499 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
500 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
qh_lines(struct ehci_hcd * ehci,struct ehci_qh * qh,char ** nextp,unsigned * sizep)501 static void qh_lines (
502 struct ehci_hcd *ehci,
503 struct ehci_qh *qh,
504 char **nextp,
505 unsigned *sizep
506 )
507 {
508 U32 scratch;
509 U32 hw_curr;
510 struct list_head *entry;
511 struct ehci_qtd *td;
512 unsigned temp;
513 unsigned size = *sizep;
514 char *next = *nextp;
515 char mark;
516 char *tmpStr[8];
517
518 if (qh->hw_qtd_next == EHCI_LIST_END)
519 mark = '@';
520 else
521 mark = token_mark (qh->hw_token);
522 if (mark == '/') {
523 if ((qh->hw_alt_next & QTD_MASK) == ehci->async->hw_alt_next)
524 mark = '#';
525 else if (qh->hw_alt_next == EHCI_LIST_END)
526 mark = '.';
527 }
528
529 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
530 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
531 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
532 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
533 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
534 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
535 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
536 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
537 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
538 scratch = cpu_to_le32p (&qh->hw_info1);
539 hw_curr = (mark == '*') ? cpu_to_le32p (&qh->hw_current) : 0;
540 temp = snprintf (next, size,
541 "qh/%p dev%d %cs ep%d %08x %08x (%08x%c %s nak%d)",
542 qh, scratch & 0x007f,
543 speed_char (scratch),
544 (scratch >> 8) & 0x000f,
545 scratch, cpu_to_le32p (&qh->hw_info2),
546 cpu_to_le32p (&qh->hw_token), mark,
547 (__constant_cpu_to_le32 (QTD_TOGGLE) & qh->hw_token)
548 ? "data0" : "data1",
549 (cpu_to_le32p (&qh->hw_alt_next) >> 1) & 0x0f);
550 size -= temp;
551 next += temp;
552
553 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
554 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
555 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
556 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
557 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
558 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
559 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
560 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
561 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
562 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
563 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
564 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
565 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
566 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
567 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
568 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
569 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
570 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
571 list_for_each (entry, &qh->qtd_list) {
572 //td = list_entry (entry, struct ehci_qtd, qtd_list);
573 list_entry (entry,struct ehci_qtd,qtd_list,struct list_head,td);
574 scratch = cpu_to_le32p (&td->hw_token);
575 mark = ' ';
576 if (hw_curr == td->qtd_dma)
577 mark = '*';
578 else if (qh->hw_qtd_next == td->qtd_dma)
579 mark = '+';
580 else if (QTD_LENGTH (scratch)) {
581 if (td->hw_alt_next == ehci->async->hw_alt_next)
582 mark = '#';
583 else if (td->hw_alt_next != EHCI_LIST_END)
584 mark = '/';
585 }
586 switch ((scratch>>8)&0x03) {
587 case 0:
588 strcpy(tmpStr,"out");
589 break;
590 case 1:
591 strcpy(tmpStr,"in");
592 break;
593 case 2:
594 strcpy(tmpStr,"setup");
595 break;
596 default:
597 strcpy(tmpStr, "?");
598 break;
599 }
600 temp = snprintf (next, size,
601 "\n\t%p%c%s len=%d %08x urb %p",
602 td, mark,
603 tmpStr,
604 (scratch >> 16) & 0x7fff,
605 scratch,
606 td->urb);
607 if ((signed int)temp < 0)
608 temp = 0;
609 else if (size < temp)
610 temp = size;
611 size -= temp;
612 next += temp;
613 if (temp == size)
614 goto done;
615 }
616
617 temp = snprintf (next, size, "\n");
618 if ((signed int)temp < 0)
619 temp = 0;
620 else if (size < temp)
621 temp = size;
622 size -= temp;
623 next += temp;
624
625 done:
626 *sizep = size;
627 *nextp = next;
628 }
629
630 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
631 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
632 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
633 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
634 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
635 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
636 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
637 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
638 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
639 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
640 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
641 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
642 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
643 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
644 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
645 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
646 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
647 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
show_async(struct usb_bus * bus,char * buf)648 static ssize_t show_async (struct usb_bus *bus, char *buf)
649 {
650 struct usb_hcd *hcd;
651 struct ehci_hcd *ehci;
652 unsigned long flags;
653 unsigned temp, size;
654 char *next;
655 struct ehci_qh *qh;
656
657 hcd = bus->hcpriv;
658 ehci = hcd_to_ehci (hcd);
659 next = buf;
660 size = PAGE_SIZE;
661
662 spin_lock_irqsave (&ehci->lock, flags);
663 for (qh = ehci->async->qh_next.qh; size > 0 && qh; qh = qh->qh_next.qh)
664 qh_lines (ehci, qh, &next, &size);
665 if (ehci->reclaim && size > 0) {
666 temp = snprintf (next, size, "\nreclaim =\n");
667 size -= temp;
668 next += temp;
669
670 for (qh = ehci->reclaim; size > 0 && qh; qh = qh->reclaim)
671 qh_lines (ehci, qh, &next, &size);
672 }
673 spin_unlock_irqrestore (&ehci->lock, flags);
674
675 return strlen (buf);
676 }
677
678 #define DBG_SCHED_LIMIT 64
679
680 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
681 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
682 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
683 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
684 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
685 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
686 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
687 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
688 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
689 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
690 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
691 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
692 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
693 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
694 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
695 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
696 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
697 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
show_periodic(struct usb_bus * bus,char * buf)698 static ssize_t show_periodic (struct usb_bus *bus, char *buf)
699 {
700 struct usb_hcd *hcd;
701 struct ehci_hcd *ehci;
702 unsigned long flags;
703 union ehci_shadow p, *seen;
704 unsigned temp, size, seen_count;
705 char *next;
706 unsigned i, tag;
707 struct ehci_qtd *__mptr;
708
709 if (!(seen = kmalloc (DBG_SCHED_LIMIT * sizeof *seen, SLAB_ATOMIC)))
710 return 0;
711 seen_count = 0;
712
713 hcd = bus->hcpriv;
714 ehci = hcd_to_ehci (hcd);
715 next = buf;
716 size = PAGE_SIZE;
717
718 temp = snprintf (next, size, "size = %d\n", ehci->periodic_size);
719 size -= temp;
720 next += temp;
721
722 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
723 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
724 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
725 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
726 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
727 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
728 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
729 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
730 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
731 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
732 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
733 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
734 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
735 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
736 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
737 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
738 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
739 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
740 spin_lock_irqsave (&ehci->lock, flags);
741 for (i = 0; i < ehci->periodic_size; i++) {
742 p = ehci->pshadow [i];
743 if (likely (!p.ptr))
744 continue;
745 tag = Q_NEXT_TYPE (ehci->periodic [i]);
746
747 temp = snprintf (next, size, "%4d: ", i);
748 size -= temp;
749 next += temp;
750
751 do {
752 switch (tag) {
753 case Q_TYPE_QH:
754 temp = snprintf (next, size, " qh%d-%04x/%p",
755 p.qh->period,
756 le32_to_cpup (&p.qh->hw_info2)
757 /* uframe masks */
758 & 0xffff,
759 p.qh);
760 size -= temp;
761 next += temp;
762 for (temp = 0; temp < seen_count; temp++) {
763 if (seen [temp].ptr != p.ptr)
764 continue;
765 if (p.qh->qh_next.ptr)
766 temp = snprintf (next, size,
767 " ...");
768 p.ptr = 0;
769 break;
770 }
771 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
772 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
773 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
774 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
775 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
776 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
777 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
778 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
779 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
780 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
781 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
782 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
783 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
784 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
785 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
786 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
787 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
788 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
789
790 if (temp == seen_count && p.ptr) {
791 U32 scratch = cpu_to_le32p (
792 &p.qh->hw_info1);
793 struct ehci_qtd *qtd;
794 char *type = "";
795
796 temp = 0;
797 list_entry((&p.qh->qtd_list)->next,struct ehci_qtd, qtd_list, struct list_head, qtd);
798 for( ;&qtd->qtd_list != (&p.qh->qtd_list);
799 __mptr = qtd->qtd_list.next,
800 qtd = (struct ehci_qtd *)((char *)__mptr - offsetof(struct ehci_qtd, qtd_list))
801 ){
802 /*
803 list_for_each_entry (qtd,
804 &p.qh->qtd_list,
805 qtd_list) {
806 */
807 temp++;
808 switch (0x03 & (le32_to_cpu (
809 qtd->hw_token) >> 8)) {
810 case 0: type = "out"; continue;
811 case 1: type = "in"; continue;
812 }
813 }
814
815 temp = snprintf (next, size,
816 " (%c%d ep%d%s "
817 "[%d/%d] q%d p%d)",
818 speed_char (scratch),
819 scratch & 0x007f,
820 (scratch >> 8) & 0x000f, type,
821 p.qh->usecs, p.qh->c_usecs,
822 temp,
823 0x7ff & (scratch >> 16));
824
825 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
826 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
827 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
828 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
829 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
830 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
831 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
832 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
833 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
834 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
835 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
836 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
837 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
838 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
839 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
840 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
841 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
842 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
843 if (seen_count < DBG_SCHED_LIMIT)
844 seen [seen_count++].qh = p.qh;
845 } else
846 temp = 0;
847 if (p.qh) {
848 tag = Q_NEXT_TYPE (p.qh->hw_next);
849 p = p.qh->qh_next;
850 }
851 break;
852 case Q_TYPE_FSTN:
853 temp = snprintf (next, size,
854 " fstn-%8x/%p", p.fstn->hw_prev,
855 p.fstn);
856 tag = Q_NEXT_TYPE (p.fstn->hw_next);
857 p = p.fstn->fstn_next;
858 break;
859 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
860 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
861 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
862 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
863 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
864 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
865 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
866 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
867 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
868 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
869 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
870 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
871 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
872 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
873 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
874 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
875 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
876 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
877 case Q_TYPE_ITD:
878 temp = snprintf (next, size,
879 " itd/%p", p.itd);
880 tag = Q_NEXT_TYPE (p.itd->hw_next);
881 p = p.itd->itd_next;
882 break;
883 case Q_TYPE_SITD:
884 temp = snprintf (next, size,
885 " sitd/%p", p.sitd);
886 tag = Q_NEXT_TYPE (p.sitd->hw_next);
887 p = p.sitd->sitd_next;
888 break;
889 }
890 size -= temp;
891 next += temp;
892 } while (p.ptr);
893
894 temp = snprintf (next, size, "\n");
895 size -= temp;
896 next += temp;
897 }
898 spin_unlock_irqrestore (&ehci->lock, flags);
899 kfree (seen);
900
901 return PAGE_SIZE - size;
902 }
903 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
904 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
905 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
906 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
907 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
908 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
909 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
910 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
911 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
912 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
913 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
914 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
915 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
916 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
917 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
918 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
919 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
920 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
921 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
922 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
923 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
924 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
925 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
926 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
927 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
928 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
929 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
930
931 #undef DBG_SCHED_LIMIT
932
933 static ssize_t
show_registers(struct usb_bus * bus,char * buf)934 show_registers (struct usb_bus *bus, char *buf)
935 {
936 struct usb_hcd *hcd;
937 struct ehci_hcd *ehci;
938 unsigned long flags;
939 unsigned temp, size, i;
940 char *next, scratch [80];
941 static char fmt [] = "%*s\n";
942 static char label [] = "";
943
944 hcd = bus->hcpriv;
945 ehci = hcd_to_ehci (hcd);
946 next = buf;
947 size = PAGE_SIZE;
948
949 spin_lock_irqsave (&ehci->lock, flags);
950
951 i = ehci_readw (&ehci->caps->hci_version);
952 temp = snprintf (next, size,
953 "AMBA Device \nEHCI %x.%02x, hcd state %d (driver " DRIVER_VERSION ")\n",
954 i >> 8, i & 0x0ff, ehci->hcd.state);
955 size -= temp;
956 next += temp;
957
958 i = ehci_readl (&ehci->caps->hcs_params);
959 temp = snprintf (next, size, "structural params 0x%08x\n", i);
960 size -= temp;
961 next += temp;
962
963 i = ehci_readl (&ehci->caps->hcc_params);
964 temp = snprintf (next, size, "capability params 0x%08x\n", i);
965 size -= temp;
966 next += temp;
967
968 temp = dbg_status_buf (scratch, sizeof scratch, label,
969 ehci_readl (&ehci->regs->status));
970 temp = snprintf (next, size, fmt, temp, scratch);
971 size -= temp;
972 next += temp;
973
974 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
975 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
976 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
977 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
978 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
979 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
980 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
981 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
982 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
983 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
984 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
985 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
986 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
987 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
988 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
989 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
990 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
991 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
992 temp = dbg_command_buf (scratch, sizeof scratch, label,
993 ehci_readl (&ehci->regs->command));
994 temp = snprintf (next, size, fmt, temp, scratch);
995 size -= temp;
996 next += temp;
997
998 temp = dbg_intr_buf (scratch, sizeof scratch, label,
999 ehci_readl (&ehci->regs->intr_enable));
1000 temp = snprintf (next, size, fmt, temp, scratch);
1001 size -= temp;
1002 next += temp;
1003
1004 temp = snprintf (next, size, "uframe %04x\n",
1005 ehci_readl (&ehci->regs->frame_index));
1006 size -= temp;
1007 next += temp;
1008
1009 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1010 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1011 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1012 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1013 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1014 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1015 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1016 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1017 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1018 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1019 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1020 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1021 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1022 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1023 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1024 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1025 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1026 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1027 for (i = 0; i < HCS_N_PORTS (ehci->hcs_params); i++) {
1028 temp = dbg_port_buf (scratch, sizeof scratch, label, i,
1029 ehci_readl (&ehci->regs->port_status [i]));
1030 temp = snprintf (next, size, fmt, temp, scratch);
1031 size -= temp;
1032 next += temp;
1033 }
1034
1035 if (ehci->reclaim) {
1036 temp = snprintf (next, size, "reclaim qh %p%s\n",
1037 ehci->reclaim,
1038 ehci->reclaim_ready ? " ready" : "");
1039 size -= temp;
1040 next += temp;
1041 }
1042
1043 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1044 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1045 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1046 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1047 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1048 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1049 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1050 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1051 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1052 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1053 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1054 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1055 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1056 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1057 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1058 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1059 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1060 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
1061 #ifdef EHCI_STATS
1062 temp = snprintf (next, size,
1063 "irq normal %ld err %ld reclaim %ld (lost %ld)\n",
1064 ehci->stats.normal, ehci->stats.error, ehci->stats.reclaim,
1065 ehci->stats.lost_iaa);
1066 size -= temp;
1067 next += temp;
1068
1069 temp = snprintf (next, size, "complete %ld unlink %ld\n",
1070 ehci->stats.complete, ehci->stats.unlink);
1071 size -= temp;
1072 next += temp;
1073 #endif
1074
1075 spin_unlock_irqrestore (&ehci->lock, flags);
1076
1077 return PAGE_SIZE - size;
1078 }
1079 #endif /* CONFIG_USB_DEBUG */
1080
1081