xref: /utopia/UTPA2-700.0.x/modules/usb/drv/usb_ecos/usbhost/drvHub_2.c (revision 53ee8cc121a030b8d368113ac3e966b4705770ef)
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 #include <MsCommon.h>
79 
80 #include  "include/drvConfig.h"
81 #include  "include/drvCompiler.h"
82 #include  "include/drvTypes.h"
83 #include  "include/drvIO.h"
84 #include  "include/drvErrno.h"
85 #include  "include/drvPorts.h"
86 #include  "include/drvPCIMEM.h"
87 #include  "include/drvTimer.h"
88 #include  "include/drvList.h"
89 #include  "include/drvKernel.h"
90 #include  "include/drvBitops.h"
91 
92 // USB related header files
93 #include "include/drvUSB.h"
94 #include "drvHCD.h"
95 #include "drvHUB.h"
96 
97 extern void USBCriticalSectionIn(MS_U8 Port);
98 extern void USBCriticalSectionOut(MS_U8 Port);
99 extern int hub_port_status(struct usb_device *dev, int port,
100              U16 *status, U16 *change);
101 extern int hub_reset(struct usb_hub *hub);
102 extern void hub_start_disconnect(struct usb_device *dev);
103 extern void hub_port_connect_change(struct usb_hub *hubstate, int port,
104           U16 portstatus, U16 portchange);
105 extern int clear_port_feature(struct usb_device *dev, int port, int feature);
106 extern void hub_power_on(struct usb_hub *hub);
107 extern int hub_hub_status(struct usb_hub *hub,
108             U16 *status, U16 *change);
109 extern int clear_hub_feature(struct usb_device *dev, int feature);
110 
111 /*static*/
112 LIST_HEAD(hub_event_list_Port2);  /* List of hubs needing servicing */
113 
has_hub_events_Port2(U16 * pPortStatus)114 BOOL has_hub_events_Port2(U16 *pPortStatus)
115 {
116     //U16 portstatus;
117     BOOL status;
118     U16 portchange;
119     struct list_head *tmp;
120     struct usb_device *dev;
121     struct usb_hub *hub;
122     //int i, ret;
123 
124     USBCriticalSectionIn(2);
125     if (list_empty(&hub_event_list_Port2))
126     {
127         status = FALSE;
128     }
129     else
130     {
131         U32 u32OldIntr;
132         u32OldIntr = MsOS_DisableAllInterrupts();
133 
134         tmp = hub_event_list_Port2.next;
135         hub = list_entry(tmp, struct usb_hub, event_list);
136         dev = interface_to_usbdev(hub->intf);
137 
138         //MsOS_EnableInterrupt(E_IRQ_FIQ_ALL);
139         MsOS_RestoreAllInterrupts(u32OldIntr);
140 
141 
142         hub_port_status(dev, 0, pPortStatus, &portchange);
143         //diag_printf("portstatus: %X\n", *pPortStatus);
144 
145         if (portchange & USB_PORT_STAT_C_CONNECTION)
146             status = TRUE;
147         else
148             status = FALSE;
149     }
150 
151     USBCriticalSectionOut(2);
152     return status;
153 }
154 
hub_events_Port2(void)155 static void hub_events_Port2(void)
156 {
157   U32 flags;
158   struct list_head *tmp;
159   struct usb_device *dev;
160   struct usb_hub *hub;
161   U16 hubstatus;
162   U16 hubchange;
163   U16 portstatus;
164   U16 portchange;
165   int i, ret;
166 
167   while (1) {
168     spin_lock_irqsave(&hub_event_lock_Port2, flags);
169 
170     if (list_empty(&hub_event_list_Port2))
171       break;
172 
173     /* Grab the next entry from the beginning of the list */
174  // MsOS_DisableInterrupt(E_IRQ_FIQ_ALL);
175      U32 u32OldIntr;
176     u32OldIntr = MsOS_DisableAllInterrupts();
177 
178     tmp = hub_event_list_Port2.next;
179 
180 	hub = list_entry(tmp, struct usb_hub, event_list);
181     //list_entry(tmp, struct usb_hub, event_list,struct list_head, hub);
182     dev = interface_to_usbdev(hub->intf);
183 
184     list_del_init(tmp);
185  // MsOS_EnableInterrupt(E_IRQ_FIQ_ALL);
186       MsOS_RestoreAllInterrupts(u32OldIntr);
187 
188     //if (unlikely(down_trylock(&hub->khubd_sem)))
189     //  BUG();  /* never blocks, we were on list */
190 
191     spin_unlock_irqrestore(&hub_event_lock_Port2, flags);
192 
193     if (hub->error) {
194       dev_dbg (&hub->intf->dev, "resetting for error %d\n",
195         hub->error);
196 
197       if (hub_reset(hub)) {
198         dev_dbg (&hub->intf->dev,
199           "can't reset; disconnecting%s","\n");
200         up(&hub->khubd_sem);
201         hub_start_disconnect(dev);
202         continue;
203       }
204 
205       hub->nerrors = 0;
206       hub->error = 0;
207     }
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*/
219 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
220 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
221 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
222 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
223 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
224 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
225 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
226 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
227 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
228 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
229 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
230 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
231 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
232 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
233 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
234 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
235 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
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 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
255 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
256 
257     diag_printf("get hub event 2\n");
258     for (i = 0; i < hub->descriptor.bNbrPorts; i++) {
259       ret = hub_port_status(dev, i, &portstatus, &portchange);
260       if (ret < 0) {
261         continue;
262       }
263       if (portchange & USB_PORT_STAT_C_CONNECTION) {
264         hub_port_connect_change(hub, i, portstatus, portchange);
265       } else if (portchange & USB_PORT_STAT_C_ENABLE) {
266         dev_dbg (hubdev (dev),
267           "port %d enable change, status %x\n",
268           i + 1, portstatus);
269         clear_port_feature(dev,
270           i + 1, USB_PORT_FEAT_C_ENABLE);
271 
272 
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 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
296 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
297 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
298 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
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*/
308 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
309 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
310 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
311 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
312 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
313 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
314 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
315 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
316 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
317 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
318 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
319 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
320 		/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
321         if (!(portstatus & USB_PORT_STAT_ENABLE)
322             && (portstatus & USB_PORT_STAT_CONNECTION)
323             && (dev->children[i])) {
324           dev_err (&hub->intf->dev,
325               "port %i "
326               "disabled by hub (EMI?), "
327               "re-enabling...",
328             i + 1);
329           hub_port_connect_change(hub,
330             i, portstatus, portchange);
331         }
332       }
333 
334       if (portchange & USB_PORT_STAT_C_SUSPEND) {
335         dev_dbg (&hub->intf->dev,
336           "suspend change on port %d\n",
337           i + 1);
338         clear_port_feature(dev,
339           i + 1,  USB_PORT_FEAT_C_SUSPEND);
340       }
341 
342 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
343 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
344 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
345 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
346 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
347 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
348 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
349 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
350 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
351 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
352 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
353 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
354 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
355 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
356 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
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 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
376 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
377 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
378 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
379 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
380 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
381 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
382 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
383 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
384 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
385 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
386 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
387 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
388 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
389 	  /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
390 
391       if (portchange & USB_PORT_STAT_C_OVERCURRENT) {
392         dev_err (&hub->intf->dev,
393           "over-current change on port %d\n",
394           i + 1);
395         clear_port_feature(dev,
396           i + 1, USB_PORT_FEAT_C_OVER_CURRENT);
397         hub_power_on(hub);
398       }
399 
400       if (portchange & USB_PORT_STAT_C_RESET) {
401         dev_dbg (&hub->intf->dev,
402           "reset change on port %d\n",
403           i + 1);
404         clear_port_feature(dev,
405           i + 1, USB_PORT_FEAT_C_RESET);
406       }
407     } /* end for i */
408 
409     /* deal with hub status changes */
410 
411 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
412 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
413 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
414 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
415 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
416 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
417 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
418 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
419 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
420 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
421 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
422 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
423 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
424 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
425 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
426 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
427 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
428 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
429 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
430 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
431 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
432 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
433 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
434 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
435 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
436 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
437 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
438 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
439 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
440 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
441 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
442 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
443 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
444 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
445 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
446 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
447 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
448 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
449 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
450 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
451 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
452 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
453 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
454 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
455 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
456 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
457 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
458 	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
459     if (hub_hub_status(hub, &hubstatus, &hubchange) < 0) {
460       dev_err (&hub->intf->dev, "get_hub_status failed%s","\n");
461     }
462     else {
463       if (hubchange & HUB_CHANGE_LOCAL_POWER) {
464         dev_dbg (&hub->intf->dev, "power change%s","\n");
465         clear_hub_feature(dev, C_HUB_LOCAL_POWER);
466       }
467       if (hubchange & HUB_CHANGE_OVERCURRENT) {
468         dev_dbg (&hub->intf->dev, "overcurrent change%s","\n");
469         wait_ms(500);  /* Cool down */
470         clear_hub_feature(dev, C_HUB_OVER_CURRENT);
471                           hub_power_on(hub);
472       }
473     }
474     up(&hub->khubd_sem);
475         } /* end while (1) */
476 
477   spin_unlock_irqrestore(&hub_event_lock_Port2, flags);
478 }
479 
hub_poll_Port2(void)480 void hub_poll_Port2(void)
481 {
482   // Disable Interrupts
483   //cli();
484   //vdbg("%s","polling");
485   //check_usb_lock();
486   USBCriticalSectionIn(2);
487   hub_events_Port2();
488   USBCriticalSectionOut(2);
489 
490   //vdbg("%s","polling ok!!");
491   //unlock_usb_core();
492   // Re-enable Interrupts
493   //sti();
494 }
495 
hub_add_event_Port2(struct list_head * newent)496 void hub_add_event_Port2(struct list_head *newent)
497 {
498 	list_add(newent, &hub_event_list_Port2);
499 }
500