Staging: w35und: simplify hal_init_hardware() error handling
[linux-2.6] / drivers / staging / winbond / wbusb.c
1 /*
2  * Copyright 2008 Pavel Machek <pavel@suse.cz>
3  *
4  * Distribute under GPLv2.
5  */
6 #include <net/mac80211.h>
7 #include <linux/usb.h>
8
9 #include "core.h"
10 #include "mds_f.h"
11 #include "mlmetxrx_f.h"
12 #include "mto.h"
13 #include "wbhal_f.h"
14 #include "wblinux_f.h"
15
16 MODULE_AUTHOR("Original by: Jeff Lee<YY_Lee@issc.com.tw> Adapted to 2.6.x by Costantino Leandro (Rxart Desktop) <le_costantino@pixartargentina.com.ar>");
17 MODULE_DESCRIPTION("IS89C35 802.11bg WLAN USB Driver");
18 MODULE_LICENSE("GPL");
19 MODULE_VERSION("0.1");
20
21 static struct usb_device_id wb35_table[] __devinitdata = {
22         {USB_DEVICE(0x0416, 0x0035)},
23         {USB_DEVICE(0x18E8, 0x6201)},
24         {USB_DEVICE(0x18E8, 0x6206)},
25         {USB_DEVICE(0x18E8, 0x6217)},
26         {USB_DEVICE(0x18E8, 0x6230)},
27         {USB_DEVICE(0x18E8, 0x6233)},
28         {USB_DEVICE(0x1131, 0x2035)},
29         { 0, }
30 };
31
32 MODULE_DEVICE_TABLE(usb, wb35_table);
33
34 static struct ieee80211_rate wbsoft_rates[] = {
35         { .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
36 };
37
38 static struct ieee80211_channel wbsoft_channels[] = {
39         { .center_freq = 2412},
40 };
41
42 static struct ieee80211_supported_band wbsoft_band_2GHz = {
43         .channels       = wbsoft_channels,
44         .n_channels     = ARRAY_SIZE(wbsoft_channels),
45         .bitrates       = wbsoft_rates,
46         .n_bitrates     = ARRAY_SIZE(wbsoft_rates),
47 };
48
49 static int wbsoft_add_interface(struct ieee80211_hw *dev,
50                                  struct ieee80211_if_init_conf *conf)
51 {
52         printk("wbsoft_add interface called\n");
53         return 0;
54 }
55
56 static void wbsoft_remove_interface(struct ieee80211_hw *dev,
57                                      struct ieee80211_if_init_conf *conf)
58 {
59         printk("wbsoft_remove interface called\n");
60 }
61
62 static void wbsoft_stop(struct ieee80211_hw *hw)
63 {
64         printk(KERN_INFO "%s called\n", __func__);
65 }
66
67 static int wbsoft_get_stats(struct ieee80211_hw *hw,
68                             struct ieee80211_low_level_stats *stats)
69 {
70         printk(KERN_INFO "%s called\n", __func__);
71         return 0;
72 }
73
74 static int wbsoft_get_tx_stats(struct ieee80211_hw *hw,
75                                struct ieee80211_tx_queue_stats *stats)
76 {
77         printk(KERN_INFO "%s called\n", __func__);
78         return 0;
79 }
80
81 static void wbsoft_configure_filter(struct ieee80211_hw *dev,
82                                      unsigned int changed_flags,
83                                      unsigned int *total_flags,
84                                      int mc_count, struct dev_mc_list *mclist)
85 {
86         unsigned int new_flags;
87
88         new_flags = 0;
89
90         if (*total_flags & FIF_PROMISC_IN_BSS)
91                 new_flags |= FIF_PROMISC_IN_BSS;
92         else if ((*total_flags & FIF_ALLMULTI) || (mc_count > 32))
93                 new_flags |= FIF_ALLMULTI;
94
95         dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;
96
97         *total_flags = new_flags;
98 }
99
100 static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
101 {
102         struct wbsoft_priv *priv = dev->priv;
103
104         MLMESendFrame(priv, skb->data, skb->len, FRAME_TYPE_802_11_MANAGEMENT);
105
106         return NETDEV_TX_OK;
107 }
108
109
110 static int wbsoft_start(struct ieee80211_hw *dev)
111 {
112         struct wbsoft_priv *priv = dev->priv;
113
114         priv->enabled = true;
115
116         return 0;
117 }
118
119 static int wbsoft_config(struct ieee80211_hw *dev, u32 changed)
120 {
121         struct wbsoft_priv *priv = dev->priv;
122         struct ieee80211_conf *conf = &dev->conf;
123         ChanInfo ch;
124
125         printk("wbsoft_config called\n");
126
127         ch.band = 1;
128         ch.ChanNo = 1;  /* Should use channel_num, or something, as that is already pre-translated */
129
130
131         hal_set_current_channel(&priv->sHwData, ch);
132         hal_set_beacon_period(&priv->sHwData, conf->beacon_int);
133 //      hal_set_cap_info(&priv->sHwData, ?? );
134 // hal_set_ssid(struct hw_data * pHwData,  u8 * pssid,  u8 ssid_len); ??
135         hal_set_accept_broadcast(&priv->sHwData, 1);
136         hal_set_accept_promiscuous(&priv->sHwData,  1);
137         hal_set_accept_multicast(&priv->sHwData,  1);
138         hal_set_accept_beacon(&priv->sHwData,  1);
139         hal_set_radio_mode(&priv->sHwData,  0);
140         //hal_set_antenna_number(  struct hw_data * pHwData, u8 number )
141         //hal_set_rf_power(struct hw_data * pHwData, u8 PowerIndex)
142
143
144 //      hal_start_bss(&priv->sHwData, WLAN_BSSTYPE_INFRASTRUCTURE);     ??
145
146 //void hal_set_rates(struct hw_data * pHwData, u8 * pbss_rates,
147 //                 u8 length, unsigned char basic_rate_set)
148
149         return 0;
150 }
151
152 static int wbsoft_config_interface(struct ieee80211_hw *dev,
153                                     struct ieee80211_vif *vif,
154                                     struct ieee80211_if_conf *conf)
155 {
156         printk("wbsoft_config_interface called\n");
157         return 0;
158 }
159
160 static u64 wbsoft_get_tsf(struct ieee80211_hw *dev)
161 {
162         printk("wbsoft_get_tsf called\n");
163         return 0;
164 }
165
166 static const struct ieee80211_ops wbsoft_ops = {
167         .tx                     = wbsoft_tx,
168         .start                  = wbsoft_start,         /* Start can be pretty much empty as we do wb35_hw_init() during probe? */
169         .stop                   = wbsoft_stop,
170         .add_interface          = wbsoft_add_interface,
171         .remove_interface       = wbsoft_remove_interface,
172         .config                 = wbsoft_config,
173         .config_interface       = wbsoft_config_interface,
174         .configure_filter       = wbsoft_configure_filter,
175         .get_stats              = wbsoft_get_stats,
176         .get_tx_stats           = wbsoft_get_tx_stats,
177         .get_tsf                = wbsoft_get_tsf,
178 // conf_tx: hal_set_cwmin()/hal_set_cwmax;
179 };
180
181 static void hal_halt(struct hw_data *pHwData, void *ppa_data)
182 {
183         switch( pHwData->InitialResource )
184         {
185                 case 4:
186                 case 3: del_timer_sync(&pHwData->LEDTimer);
187                         msleep(100); // Wait for Timer DPC exit 940623.2
188                         Wb35Rx_destroy( pHwData ); // Release the Rx
189                 case 2: Wb35Tx_destroy( pHwData ); // Release the Tx
190                 case 1: Wb35Reg_destroy( pHwData ); // Release the Wb35 Regisster resources
191         }
192 }
193
194 static void hal_led_control(unsigned long data)
195 {
196         struct wbsoft_priv *adapter = (struct wbsoft_priv *) data;
197         struct hw_data * pHwData = &adapter->sHwData;
198         struct wb35_reg *reg = &pHwData->reg;
199         u32     LEDSet = (pHwData->SoftwareSet & HAL_LED_SET_MASK) >> HAL_LED_SET_SHIFT;
200         u8      LEDgray[20] = { 0,3,4,6,8,10,11,12,13,14,15,14,13,12,11,10,8,6,4,2 };
201         u8      LEDgray2[30] = { 7,8,9,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,0,0,0,0,15,14,13,12,11,10,9,8 };
202         u32     TimeInterval = 500, ltmp, ltmp2;
203         ltmp=0;
204
205         if( pHwData->SurpriseRemove ) return;
206
207         if( pHwData->LED_control ) {
208                 ltmp2 = pHwData->LED_control & 0xff;
209                 if( ltmp2 == 5 ) // 5 is WPS mode
210                 {
211                         TimeInterval = 100;
212                         ltmp2 = (pHwData->LED_control>>8) & 0xff;
213                         switch( ltmp2 )
214                         {
215                                 case 1: // [0.2 On][0.1 Off]...
216                                         pHwData->LED_Blinking %= 3;
217                                         ltmp = 0x1010; // Led 1 & 0 Green and Red
218                                         if( pHwData->LED_Blinking == 2 ) // Turn off
219                                                 ltmp = 0;
220                                         break;
221                                 case 2: // [0.1 On][0.1 Off]...
222                                         pHwData->LED_Blinking %= 2;
223                                         ltmp = 0x0010; // Led 0 red color
224                                         if( pHwData->LED_Blinking ) // Turn off
225                                                 ltmp = 0;
226                                         break;
227                                 case 3: // [0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.5 Off]...
228                                         pHwData->LED_Blinking %= 15;
229                                         ltmp = 0x0010; // Led 0 red color
230                                         if( (pHwData->LED_Blinking >= 9) || (pHwData->LED_Blinking%2) ) // Turn off 0.6 sec
231                                                 ltmp = 0;
232                                         break;
233                                 case 4: // [300 On][ off ]
234                                         ltmp = 0x1000; // Led 1 Green color
235                                         if( pHwData->LED_Blinking >= 3000 )
236                                                 ltmp = 0; // led maybe on after 300sec * 32bit counter overlap.
237                                         break;
238                         }
239                         pHwData->LED_Blinking++;
240
241                         reg->U1BC_LEDConfigure = ltmp;
242                         if( LEDSet != 7 ) // Only 111 mode has 2 LEDs on PCB.
243                         {
244                                 reg->U1BC_LEDConfigure |= (ltmp &0xff)<<8; // Copy LED result to each LED control register
245                                 reg->U1BC_LEDConfigure |= (ltmp &0xff00)>>8;
246                         }
247                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
248                 }
249         }
250         else if( pHwData->CurrentRadioSw || pHwData->CurrentRadioHw ) // If radio off
251         {
252                 if( reg->U1BC_LEDConfigure & 0x1010 )
253                 {
254                         reg->U1BC_LEDConfigure &= ~0x1010;
255                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
256                 }
257         }
258         else
259         {
260                 switch( LEDSet )
261                 {
262                         case 4: // [100] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing
263                                 if( !pHwData->LED_LinkOn ) // Blink only if not Link On
264                                 {
265                                         // Blinking if scanning is on progress
266                                         if( pHwData->LED_Scanning )
267                                         {
268                                                 if( pHwData->LED_Blinking == 0 )
269                                                 {
270                                                         reg->U1BC_LEDConfigure |= 0x10;
271                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 On
272                                                         pHwData->LED_Blinking = 1;
273                                                         TimeInterval = 300;
274                                                 }
275                                                 else
276                                                 {
277                                                         reg->U1BC_LEDConfigure &= ~0x10;
278                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
279                                                         pHwData->LED_Blinking = 0;
280                                                         TimeInterval = 300;
281                                                 }
282                                         }
283                                         else
284                                         {
285                                                 //Turn Off LED_0
286                                                 if( reg->U1BC_LEDConfigure & 0x10 )
287                                                 {
288                                                         reg->U1BC_LEDConfigure &= ~0x10;
289                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
290                                                 }
291                                         }
292                                 }
293                                 else
294                                 {
295                                         // Turn On LED_0
296                                         if( (reg->U1BC_LEDConfigure & 0x10) == 0 )
297                                         {
298                                                 reg->U1BC_LEDConfigure |= 0x10;
299                                                 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
300                                         }
301                                 }
302                                 break;
303
304                         case 6: // [110] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing
305                                 if( !pHwData->LED_LinkOn ) // Blink only if not Link On
306                                 {
307                                         // Blinking if scanning is on progress
308                                         if( pHwData->LED_Scanning )
309                                         {
310                                                 if( pHwData->LED_Blinking == 0 )
311                                                 {
312                                                         reg->U1BC_LEDConfigure &= ~0xf;
313                                                         reg->U1BC_LEDConfigure |= 0x10;
314                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 On
315                                                         pHwData->LED_Blinking = 1;
316                                                         TimeInterval = 300;
317                                                 }
318                                                 else
319                                                 {
320                                                         reg->U1BC_LEDConfigure &= ~0x1f;
321                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
322                                                         pHwData->LED_Blinking = 0;
323                                                         TimeInterval = 300;
324                                                 }
325                                         }
326                                         else
327                                         {
328                                                 // 20060901 Gray blinking if in disconnect state and not scanning
329                                                 ltmp = reg->U1BC_LEDConfigure;
330                                                 reg->U1BC_LEDConfigure &= ~0x1f;
331                                                 if( LEDgray2[(pHwData->LED_Blinking%30)] )
332                                                 {
333                                                         reg->U1BC_LEDConfigure |= 0x10;
334                                                         reg->U1BC_LEDConfigure |= LEDgray2[ (pHwData->LED_Blinking%30) ];
335                                                 }
336                                                 pHwData->LED_Blinking++;
337                                                 if( reg->U1BC_LEDConfigure != ltmp )
338                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
339                                                 TimeInterval = 100;
340                                         }
341                                 }
342                                 else
343                                 {
344                                         // Turn On LED_0
345                                         if( (reg->U1BC_LEDConfigure & 0x10) == 0 )
346                                         {
347                                                 reg->U1BC_LEDConfigure |= 0x10;
348                                                 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
349                                         }
350                                 }
351                                 break;
352
353                         case 5: // [101] Only 1 Led be placed on PCB and use LED_1 for showing
354                                 if( !pHwData->LED_LinkOn ) // Blink only if not Link On
355                                 {
356                                         // Blinking if scanning is on progress
357                                         if( pHwData->LED_Scanning )
358                                         {
359                                                 if( pHwData->LED_Blinking == 0 )
360                                                 {
361                                                         reg->U1BC_LEDConfigure |= 0x1000;
362                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 On
363                                                         pHwData->LED_Blinking = 1;
364                                                         TimeInterval = 300;
365                                                 }
366                                                 else
367                                                 {
368                                                         reg->U1BC_LEDConfigure &= ~0x1000;
369                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 Off
370                                                         pHwData->LED_Blinking = 0;
371                                                         TimeInterval = 300;
372                                                 }
373                                         }
374                                         else
375                                         {
376                                                 //Turn Off LED_1
377                                                 if( reg->U1BC_LEDConfigure & 0x1000 )
378                                                 {
379                                                         reg->U1BC_LEDConfigure &= ~0x1000;
380                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 Off
381                                                 }
382                                         }
383                                 }
384                                 else
385                                 {
386                                         // Is transmitting/receiving ??
387                                         if( (adapter->RxByteCount != pHwData->RxByteCountLast ) ||
388                                                 (adapter->TxByteCount != pHwData->TxByteCountLast ) )
389                                         {
390                                                 if( (reg->U1BC_LEDConfigure & 0x3000) != 0x3000 )
391                                                 {
392                                                         reg->U1BC_LEDConfigure |= 0x3000;
393                                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 On
394                                                 }
395
396                                                 // Update variable
397                                                 pHwData->RxByteCountLast = adapter->RxByteCount;
398                                                 pHwData->TxByteCountLast = adapter->TxByteCount;
399                                                 TimeInterval = 200;
400                                         }
401                                         else
402                                         {
403                                                 // Turn On LED_1 and blinking if transmitting/receiving
404                                                  if( (reg->U1BC_LEDConfigure & 0x3000) != 0x1000 )
405                                                  {
406                                                          reg->U1BC_LEDConfigure &= ~0x3000;
407                                                          reg->U1BC_LEDConfigure |= 0x1000;
408                                                          Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 On
409                                                  }
410                                         }
411                                 }
412                                 break;
413
414                         default: // Default setting. 2 LED be placed on PCB. LED_0: Link On LED_1 Active
415                                 if( (reg->U1BC_LEDConfigure & 0x3000) != 0x3000 )
416                                 {
417                                         reg->U1BC_LEDConfigure |= 0x3000;// LED_1 is always on and event enable
418                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
419                                 }
420
421                                 if( pHwData->LED_Blinking )
422                                 {
423                                         // Gray blinking
424                                         reg->U1BC_LEDConfigure &= ~0x0f;
425                                         reg->U1BC_LEDConfigure |= 0x10;
426                                         reg->U1BC_LEDConfigure |= LEDgray[ (pHwData->LED_Blinking-1)%20 ];
427                                         Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
428
429                                         pHwData->LED_Blinking += 2;
430                                         if( pHwData->LED_Blinking < 40 )
431                                                 TimeInterval = 100;
432                                         else
433                                         {
434                                                 pHwData->LED_Blinking = 0; // Stop blinking
435                                                 reg->U1BC_LEDConfigure &= ~0x0f;
436                                                 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
437                                         }
438                                         break;
439                                 }
440
441                                 if( pHwData->LED_LinkOn )
442                                 {
443                                         if( !(reg->U1BC_LEDConfigure & 0x10) ) // Check the LED_0
444                                         {
445                                                 //Try to turn ON LED_0 after gray blinking
446                                                 reg->U1BC_LEDConfigure |= 0x10;
447                                                 pHwData->LED_Blinking = 1; //Start blinking
448                                                 TimeInterval = 50;
449                                         }
450                                 }
451                                 else
452                                 {
453                                         if( reg->U1BC_LEDConfigure & 0x10 ) // Check the LED_0
454                                         {
455                                                 reg->U1BC_LEDConfigure &= ~0x10;
456                                                 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
457                                         }
458                                 }
459                                 break;
460                 }
461
462                 //20060828.1 Active send null packet to avoid AP disconnect
463                 if( pHwData->LED_LinkOn )
464                 {
465                         pHwData->NullPacketCount += TimeInterval;
466                         if( pHwData->NullPacketCount >= DEFAULT_NULL_PACKET_COUNT )
467                         {
468                                 pHwData->NullPacketCount = 0;
469                         }
470                 }
471         }
472
473         pHwData->time_count += TimeInterval;
474         Wb35Tx_CurrentTime(adapter, pHwData->time_count); // 20060928 add
475         pHwData->LEDTimer.expires = jiffies + msecs_to_jiffies(TimeInterval);
476         add_timer(&pHwData->LEDTimer);
477 }
478
479 static int hal_init_hardware(struct ieee80211_hw *hw)
480 {
481         struct wbsoft_priv *priv = hw->priv;
482         struct hw_data * pHwData = &priv->sHwData;
483         u16 SoftwareSet;
484
485         // Initial the variable
486         pHwData->MaxReceiveLifeTime = DEFAULT_MSDU_LIFE_TIME; // Setting Rx maximum MSDU life time
487         pHwData->FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; // Setting default fragment threshold
488
489         pHwData->InitialResource = 1;
490         if (!Wb35Reg_initial(pHwData))
491                 goto error;
492
493         pHwData->InitialResource = 2;
494         if (!Wb35Tx_initial(pHwData))
495                 goto error;
496
497         pHwData->InitialResource = 3;
498         if (!Wb35Rx_initial(pHwData))
499                 goto error;
500
501         pHwData->InitialResource = 4;
502         init_timer(&pHwData->LEDTimer);
503         pHwData->LEDTimer.function = hal_led_control;
504         pHwData->LEDTimer.data = (unsigned long) priv;
505         pHwData->LEDTimer.expires = jiffies + msecs_to_jiffies(1000);
506         add_timer(&pHwData->LEDTimer);
507
508         //
509         // For restrict to vendor's hardware
510         //
511         SoftwareSet = hal_software_set( pHwData );
512
513         #ifdef Vendor2
514         // Try to make sure the EEPROM contain
515         SoftwareSet >>= 8;
516         if( SoftwareSet != 0x82 )
517                 return false;
518         #endif
519
520         Wb35Rx_start(hw);
521         Wb35Tx_EP2VM_start(priv);
522
523         return 0;
524
525 error:
526         pHwData->SurpriseRemove = 1;
527         return -EINVAL;
528 }
529
530 static int wb35_hw_init(struct ieee80211_hw *hw)
531 {
532         struct wbsoft_priv *priv = hw->priv;
533         struct hw_data *        pHwData;
534         u8              *pMacAddr;
535         u8              *pMacAddr2;
536         u8              EEPROM_region;
537         u8              HwRadioOff;
538         int err;
539
540         //
541         // Setting default value for Linux
542         //
543         priv->sLocalPara.region_INF = REGION_AUTO;
544         priv->sLocalPara.TxRateMode = RATE_AUTO;
545         priv->sLocalPara.bMacOperationMode = MODE_802_11_BG;    // B/G mode
546         priv->Mds.TxRTSThreshold = DEFAULT_RTSThreshold;
547         priv->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
548         hal_set_phy_type( &priv->sHwData, RF_WB_242_1 );
549         priv->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE;
550         priv->sLocalPara.bPreambleMode = AUTO_MODE;
551         priv->sLocalPara.RadioOffStatus.boSwRadioOff = false;
552         pHwData = &priv->sHwData;
553         hal_set_phy_type( pHwData, RF_DECIDE_BY_INF );
554
555         //added by ws for wep key error detection
556         priv->sLocalPara.bWepKeyError= false;
557         priv->sLocalPara.bToSelfPacketReceived = false;
558         priv->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds
559
560         // Initial USB hal
561         pHwData = &priv->sHwData;
562         err = hal_init_hardware(hw);
563         if (err)
564                 goto error;
565
566         EEPROM_region = hal_get_region_from_EEPROM( pHwData );
567         if (EEPROM_region != REGION_AUTO)
568                 priv->sLocalPara.region = EEPROM_region;
569         else {
570                 if (priv->sLocalPara.region_INF != REGION_AUTO)
571                         priv->sLocalPara.region = priv->sLocalPara.region_INF;
572                 else
573                         priv->sLocalPara.region = REGION_USA;   //default setting
574         }
575
576         // Get Software setting flag from hal
577         priv->sLocalPara.boAntennaDiversity = false;
578         if (hal_software_set(pHwData) & 0x00000001)
579                 priv->sLocalPara.boAntennaDiversity = true;
580
581         // For MDS module
582         Mds_initial(priv);
583
584         //=======================================
585         // Initialize the SME, SCAN, MLME, ROAM
586         //=======================================
587
588         // If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
589         pMacAddr = priv->sLocalPara.ThisMacAddress;
590         pMacAddr2 = priv->sLocalPara.PermanentAddress;
591         hal_get_permanent_address( pHwData, priv->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM
592         if (memcmp(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH) == 0)
593                 memcpy(pMacAddr, pMacAddr2, MAC_ADDR_LENGTH);
594         else {
595                 // Set the user define MAC address
596                 hal_set_ethernet_address(pHwData, priv->sLocalPara.ThisMacAddress);
597         }
598
599         //get current antenna
600         priv->sLocalPara.bAntennaNo = hal_get_antenna_number(pHwData);
601 #ifdef _PE_STATE_DUMP_
602         printk("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo);
603 #endif
604         hal_get_hw_radio_off( pHwData );
605
606         // Waiting for HAL setting OK
607         while (!hal_idle(pHwData))
608                 msleep(10);
609
610         MTO_Init(priv);
611
612         HwRadioOff = hal_get_hw_radio_off( pHwData );
613         priv->sLocalPara.RadioOffStatus.boHwRadioOff = !!HwRadioOff;
614
615         hal_set_radio_mode( pHwData, (unsigned char)(priv->sLocalPara.RadioOffStatus.boSwRadioOff || priv->sLocalPara.RadioOffStatus.boHwRadioOff) );
616
617         hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
618         //set a tx power for reference.....
619 //      sme_set_tx_power_level(priv, 12);       FIXME?
620         return 0;
621
622 error:
623         hal_halt(pHwData, NULL);
624
625         return err;
626 }
627
628 static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
629 {
630         struct wb_usb *pWbUsb;
631         struct usb_host_interface *interface;
632         struct usb_endpoint_descriptor *endpoint;
633         u32     ltmp;
634         struct usb_device *udev = interface_to_usbdev(intf);
635         struct wbsoft_priv *priv;
636         struct ieee80211_hw *dev;
637         int nr, err;
638
639         usb_get_dev(udev);
640
641         // 20060630.2 Check the device if it already be opened
642         nr = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ),
643                              0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
644                              0x0, 0x400, &ltmp, 4, HZ*100 );
645         if (nr < 0) {
646                 err = nr;
647                 goto error;
648         }
649
650         ltmp = cpu_to_le32(ltmp);
651         if (ltmp) {  // Is already initialized?
652                 err = -EBUSY;
653                 goto error;
654         }
655
656         dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops);
657         if (!dev) {
658                 err = -ENOMEM;
659                 goto error;
660         }
661
662         priv = dev->priv;
663
664         spin_lock_init(&priv->SpinLock);
665
666         pWbUsb = &priv->sHwData.WbUsb;
667         pWbUsb->udev = udev;
668
669         interface = intf->cur_altsetting;
670         endpoint = &interface->endpoint[0].desc;
671
672         if (endpoint[2].wMaxPacketSize == 512) {
673                 printk("[w35und] Working on USB 2.0\n");
674                 pWbUsb->IsUsb20 = 1;
675         }
676
677         err = wb35_hw_init(dev);
678         if (err)
679                 goto error_free_hw;
680
681         SET_IEEE80211_DEV(dev, &udev->dev);
682         {
683                 struct hw_data * pHwData = &priv->sHwData;
684                 unsigned char           dev_addr[MAX_ADDR_LEN];
685                 hal_get_permanent_address(pHwData, dev_addr);
686                 SET_IEEE80211_PERM_ADDR(dev, dev_addr);
687         }
688
689         dev->extra_tx_headroom = 12;    /* FIXME */
690         dev->flags = IEEE80211_HW_SIGNAL_UNSPEC;
691         dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
692
693         dev->channel_change_time = 1000;
694         dev->max_signal = 100;
695         dev->queues = 1;
696
697         dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &wbsoft_band_2GHz;
698
699         err = ieee80211_register_hw(dev);
700         if (err)
701                 goto error_free_hw;
702
703         usb_set_intfdata(intf, dev);
704
705         return 0;
706
707 error_free_hw:
708         ieee80211_free_hw(dev);
709 error:
710         usb_put_dev(udev);
711         return err;
712 }
713
714 static void wb35_hw_halt(struct wbsoft_priv *adapter)
715 {
716         Mds_Destroy( adapter );
717
718         // Turn off Rx and Tx hardware ability
719         hal_stop( &adapter->sHwData );
720 #ifdef _PE_USB_INI_DUMP_
721         printk("[w35und] Hal_stop O.K.\n");
722 #endif
723         msleep(100);// Waiting Irp completed
724
725         // Halt the HAL
726         hal_halt(&adapter->sHwData, NULL);
727 }
728
729
730 static void wb35_disconnect(struct usb_interface *intf)
731 {
732         struct ieee80211_hw *hw = usb_get_intfdata(intf);
733         struct wbsoft_priv *priv = hw->priv;
734
735         wb35_hw_halt(priv);
736
737         ieee80211_stop_queues(hw);
738         ieee80211_unregister_hw(hw);
739         ieee80211_free_hw(hw);
740
741         usb_set_intfdata(intf, NULL);
742         usb_put_dev(interface_to_usbdev(intf));
743 }
744
745 static struct usb_driver wb35_driver = {
746         .name           = "w35und",
747         .id_table       = wb35_table,
748         .probe          = wb35_probe,
749         .disconnect     = wb35_disconnect,
750 };
751
752 static int __init wb35_init(void)
753 {
754         return usb_register(&wb35_driver);
755 }
756
757 static void __exit wb35_exit(void)
758 {
759         usb_deregister(&wb35_driver);
760 }
761
762 module_init(wb35_init);
763 module_exit(wb35_exit);