Staging: w35und: simplify error handling in wb35_hw_init()
[linux-2.6/mini2440.git] / drivers / staging / winbond / wbusb.c
blob897ac94f63afad32b3ab437c01319d4395e2e709
1 /*
2 * Copyright 2008 Pavel Machek <pavel@suse.cz>
4 * Distribute under GPLv2.
5 */
6 #include <net/mac80211.h>
7 #include <linux/usb.h>
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"
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");
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, }
32 MODULE_DEVICE_TABLE(usb, wb35_table);
34 static struct ieee80211_rate wbsoft_rates[] = {
35 { .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
38 static struct ieee80211_channel wbsoft_channels[] = {
39 { .center_freq = 2412},
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),
49 static int wbsoft_add_interface(struct ieee80211_hw *dev,
50 struct ieee80211_if_init_conf *conf)
52 printk("wbsoft_add interface called\n");
53 return 0;
56 static void wbsoft_remove_interface(struct ieee80211_hw *dev,
57 struct ieee80211_if_init_conf *conf)
59 printk("wbsoft_remove interface called\n");
62 static void wbsoft_stop(struct ieee80211_hw *hw)
64 printk(KERN_INFO "%s called\n", __func__);
67 static int wbsoft_get_stats(struct ieee80211_hw *hw,
68 struct ieee80211_low_level_stats *stats)
70 printk(KERN_INFO "%s called\n", __func__);
71 return 0;
74 static int wbsoft_get_tx_stats(struct ieee80211_hw *hw,
75 struct ieee80211_tx_queue_stats *stats)
77 printk(KERN_INFO "%s called\n", __func__);
78 return 0;
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)
86 unsigned int new_flags;
88 new_flags = 0;
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;
95 dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;
97 *total_flags = new_flags;
100 static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
102 struct wbsoft_priv *priv = dev->priv;
104 MLMESendFrame(priv, skb->data, skb->len, FRAME_TYPE_802_11_MANAGEMENT);
106 return NETDEV_TX_OK;
110 static int wbsoft_start(struct ieee80211_hw *dev)
112 struct wbsoft_priv *priv = dev->priv;
114 priv->enabled = true;
116 return 0;
119 static int wbsoft_config(struct ieee80211_hw *dev, u32 changed)
121 struct wbsoft_priv *priv = dev->priv;
122 struct ieee80211_conf *conf = &dev->conf;
123 ChanInfo ch;
125 printk("wbsoft_config called\n");
127 ch.band = 1;
128 ch.ChanNo = 1; /* Should use channel_num, or something, as that is already pre-translated */
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)
144 // hal_start_bss(&priv->sHwData, WLAN_BSSTYPE_INFRASTRUCTURE); ??
146 //void hal_set_rates(struct hw_data * pHwData, u8 * pbss_rates,
147 // u8 length, unsigned char basic_rate_set)
149 return 0;
152 static int wbsoft_config_interface(struct ieee80211_hw *dev,
153 struct ieee80211_vif *vif,
154 struct ieee80211_if_conf *conf)
156 printk("wbsoft_config_interface called\n");
157 return 0;
160 static u64 wbsoft_get_tsf(struct ieee80211_hw *dev)
162 printk("wbsoft_get_tsf called\n");
163 return 0;
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;
181 static void hal_halt(struct hw_data *pHwData, void *ppa_data)
183 switch( pHwData->InitialResource )
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
194 static void hal_led_control(unsigned long data)
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;
205 if( pHwData->SurpriseRemove ) return;
207 if( pHwData->LED_control ) {
208 ltmp2 = pHwData->LED_control & 0xff;
209 if( ltmp2 == 5 ) // 5 is WPS mode
211 TimeInterval = 100;
212 ltmp2 = (pHwData->LED_control>>8) & 0xff;
213 switch( ltmp2 )
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;
239 pHwData->LED_Blinking++;
241 reg->U1BC_LEDConfigure = ltmp;
242 if( LEDSet != 7 ) // Only 111 mode has 2 LEDs on PCB.
244 reg->U1BC_LEDConfigure |= (ltmp &0xff)<<8; // Copy LED result to each LED control register
245 reg->U1BC_LEDConfigure |= (ltmp &0xff00)>>8;
247 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
250 else if( pHwData->CurrentRadioSw || pHwData->CurrentRadioHw ) // If radio off
252 if( reg->U1BC_LEDConfigure & 0x1010 )
254 reg->U1BC_LEDConfigure &= ~0x1010;
255 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
258 else
260 switch( LEDSet )
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
265 // Blinking if scanning is on progress
266 if( pHwData->LED_Scanning )
268 if( pHwData->LED_Blinking == 0 )
270 reg->U1BC_LEDConfigure |= 0x10;
271 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 On
272 pHwData->LED_Blinking = 1;
273 TimeInterval = 300;
275 else
277 reg->U1BC_LEDConfigure &= ~0x10;
278 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
279 pHwData->LED_Blinking = 0;
280 TimeInterval = 300;
283 else
285 //Turn Off LED_0
286 if( reg->U1BC_LEDConfigure & 0x10 )
288 reg->U1BC_LEDConfigure &= ~0x10;
289 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
293 else
295 // Turn On LED_0
296 if( (reg->U1BC_LEDConfigure & 0x10) == 0 )
298 reg->U1BC_LEDConfigure |= 0x10;
299 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
302 break;
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
307 // Blinking if scanning is on progress
308 if( pHwData->LED_Scanning )
310 if( pHwData->LED_Blinking == 0 )
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;
318 else
320 reg->U1BC_LEDConfigure &= ~0x1f;
321 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
322 pHwData->LED_Blinking = 0;
323 TimeInterval = 300;
326 else
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)] )
333 reg->U1BC_LEDConfigure |= 0x10;
334 reg->U1BC_LEDConfigure |= LEDgray2[ (pHwData->LED_Blinking%30) ];
336 pHwData->LED_Blinking++;
337 if( reg->U1BC_LEDConfigure != ltmp )
338 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
339 TimeInterval = 100;
342 else
344 // Turn On LED_0
345 if( (reg->U1BC_LEDConfigure & 0x10) == 0 )
347 reg->U1BC_LEDConfigure |= 0x10;
348 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_0 Off
351 break;
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
356 // Blinking if scanning is on progress
357 if( pHwData->LED_Scanning )
359 if( pHwData->LED_Blinking == 0 )
361 reg->U1BC_LEDConfigure |= 0x1000;
362 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 On
363 pHwData->LED_Blinking = 1;
364 TimeInterval = 300;
366 else
368 reg->U1BC_LEDConfigure &= ~0x1000;
369 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 Off
370 pHwData->LED_Blinking = 0;
371 TimeInterval = 300;
374 else
376 //Turn Off LED_1
377 if( reg->U1BC_LEDConfigure & 0x1000 )
379 reg->U1BC_LEDConfigure &= ~0x1000;
380 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 Off
384 else
386 // Is transmitting/receiving ??
387 if( (adapter->RxByteCount != pHwData->RxByteCountLast ) ||
388 (adapter->TxByteCount != pHwData->TxByteCountLast ) )
390 if( (reg->U1BC_LEDConfigure & 0x3000) != 0x3000 )
392 reg->U1BC_LEDConfigure |= 0x3000;
393 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 On
396 // Update variable
397 pHwData->RxByteCountLast = adapter->RxByteCount;
398 pHwData->TxByteCountLast = adapter->TxByteCount;
399 TimeInterval = 200;
401 else
403 // Turn On LED_1 and blinking if transmitting/receiving
404 if( (reg->U1BC_LEDConfigure & 0x3000) != 0x1000 )
406 reg->U1BC_LEDConfigure &= ~0x3000;
407 reg->U1BC_LEDConfigure |= 0x1000;
408 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure ); // LED_1 On
412 break;
414 default: // Default setting. 2 LED be placed on PCB. LED_0: Link On LED_1 Active
415 if( (reg->U1BC_LEDConfigure & 0x3000) != 0x3000 )
417 reg->U1BC_LEDConfigure |= 0x3000;// LED_1 is always on and event enable
418 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
421 if( pHwData->LED_Blinking )
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 );
429 pHwData->LED_Blinking += 2;
430 if( pHwData->LED_Blinking < 40 )
431 TimeInterval = 100;
432 else
434 pHwData->LED_Blinking = 0; // Stop blinking
435 reg->U1BC_LEDConfigure &= ~0x0f;
436 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
438 break;
441 if( pHwData->LED_LinkOn )
443 if( !(reg->U1BC_LEDConfigure & 0x10) ) // Check the LED_0
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;
451 else
453 if( reg->U1BC_LEDConfigure & 0x10 ) // Check the LED_0
455 reg->U1BC_LEDConfigure &= ~0x10;
456 Wb35Reg_Write( pHwData, 0x03bc, reg->U1BC_LEDConfigure );
459 break;
462 //20060828.1 Active send null packet to avoid AP disconnect
463 if( pHwData->LED_LinkOn )
465 pHwData->NullPacketCount += TimeInterval;
466 if( pHwData->NullPacketCount >= DEFAULT_NULL_PACKET_COUNT )
468 pHwData->NullPacketCount = 0;
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);
479 static int hal_init_hardware(struct ieee80211_hw *hw)
481 struct wbsoft_priv *priv = hw->priv;
482 struct hw_data * pHwData = &priv->sHwData;
483 u16 SoftwareSet;
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
489 pHwData->InitialResource = 1;
490 if( Wb35Reg_initial(pHwData)) {
491 pHwData->InitialResource = 2;
492 if (Wb35Tx_initial(pHwData)) {
493 pHwData->InitialResource = 3;
494 if (Wb35Rx_initial(pHwData)) {
495 pHwData->InitialResource = 4;
496 init_timer(&pHwData->LEDTimer);
497 pHwData->LEDTimer.function = hal_led_control;
498 pHwData->LEDTimer.data = (unsigned long) priv;
499 pHwData->LEDTimer.expires = jiffies + msecs_to_jiffies(1000);
500 add_timer(&pHwData->LEDTimer);
503 // For restrict to vendor's hardware
505 SoftwareSet = hal_software_set( pHwData );
507 #ifdef Vendor2
508 // Try to make sure the EEPROM contain
509 SoftwareSet >>= 8;
510 if( SoftwareSet != 0x82 )
511 return false;
512 #endif
514 Wb35Rx_start(hw);
515 Wb35Tx_EP2VM_start(priv);
517 return 0;
522 pHwData->SurpriseRemove = 1;
523 return -EINVAL;
526 static int wb35_hw_init(struct ieee80211_hw *hw)
528 struct wbsoft_priv *priv = hw->priv;
529 struct hw_data * pHwData;
530 u8 *pMacAddr;
531 u8 *pMacAddr2;
532 u8 EEPROM_region;
533 u8 HwRadioOff;
534 int err;
537 // Setting default value for Linux
539 priv->sLocalPara.region_INF = REGION_AUTO;
540 priv->sLocalPara.TxRateMode = RATE_AUTO;
541 priv->sLocalPara.bMacOperationMode = MODE_802_11_BG; // B/G mode
542 priv->Mds.TxRTSThreshold = DEFAULT_RTSThreshold;
543 priv->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
544 hal_set_phy_type( &priv->sHwData, RF_WB_242_1 );
545 priv->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE;
546 priv->sLocalPara.bPreambleMode = AUTO_MODE;
547 priv->sLocalPara.RadioOffStatus.boSwRadioOff = false;
548 pHwData = &priv->sHwData;
549 hal_set_phy_type( pHwData, RF_DECIDE_BY_INF );
551 //added by ws for wep key error detection
552 priv->sLocalPara.bWepKeyError= false;
553 priv->sLocalPara.bToSelfPacketReceived = false;
554 priv->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds
556 // Initial USB hal
557 pHwData = &priv->sHwData;
558 err = hal_init_hardware(hw);
559 if (err)
560 goto error;
562 EEPROM_region = hal_get_region_from_EEPROM( pHwData );
563 if (EEPROM_region != REGION_AUTO)
564 priv->sLocalPara.region = EEPROM_region;
565 else {
566 if (priv->sLocalPara.region_INF != REGION_AUTO)
567 priv->sLocalPara.region = priv->sLocalPara.region_INF;
568 else
569 priv->sLocalPara.region = REGION_USA; //default setting
572 // Get Software setting flag from hal
573 priv->sLocalPara.boAntennaDiversity = false;
574 if (hal_software_set(pHwData) & 0x00000001)
575 priv->sLocalPara.boAntennaDiversity = true;
577 // For MDS module
578 Mds_initial(priv);
580 //=======================================
581 // Initialize the SME, SCAN, MLME, ROAM
582 //=======================================
584 // If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
585 pMacAddr = priv->sLocalPara.ThisMacAddress;
586 pMacAddr2 = priv->sLocalPara.PermanentAddress;
587 hal_get_permanent_address( pHwData, priv->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM
588 if (memcmp(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH) == 0)
589 memcpy(pMacAddr, pMacAddr2, MAC_ADDR_LENGTH);
590 else {
591 // Set the user define MAC address
592 hal_set_ethernet_address(pHwData, priv->sLocalPara.ThisMacAddress);
595 //get current antenna
596 priv->sLocalPara.bAntennaNo = hal_get_antenna_number(pHwData);
597 #ifdef _PE_STATE_DUMP_
598 printk("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo);
599 #endif
600 hal_get_hw_radio_off( pHwData );
602 // Waiting for HAL setting OK
603 while (!hal_idle(pHwData))
604 msleep(10);
606 MTO_Init(priv);
608 HwRadioOff = hal_get_hw_radio_off( pHwData );
609 priv->sLocalPara.RadioOffStatus.boHwRadioOff = !!HwRadioOff;
611 hal_set_radio_mode( pHwData, (unsigned char)(priv->sLocalPara.RadioOffStatus.boSwRadioOff || priv->sLocalPara.RadioOffStatus.boHwRadioOff) );
613 hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
614 //set a tx power for reference.....
615 // sme_set_tx_power_level(priv, 12); FIXME?
616 return 0;
618 error:
619 hal_halt(pHwData, NULL);
621 return err;
624 static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
626 struct wb_usb *pWbUsb;
627 struct usb_host_interface *interface;
628 struct usb_endpoint_descriptor *endpoint;
629 u32 ltmp;
630 struct usb_device *udev = interface_to_usbdev(intf);
631 struct wbsoft_priv *priv;
632 struct ieee80211_hw *dev;
633 int nr, err;
635 usb_get_dev(udev);
637 // 20060630.2 Check the device if it already be opened
638 nr = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ),
639 0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
640 0x0, 0x400, &ltmp, 4, HZ*100 );
641 if (nr < 0) {
642 err = nr;
643 goto error;
646 ltmp = cpu_to_le32(ltmp);
647 if (ltmp) { // Is already initialized?
648 err = -EBUSY;
649 goto error;
652 dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops);
653 if (!dev) {
654 err = -ENOMEM;
655 goto error;
658 priv = dev->priv;
660 spin_lock_init(&priv->SpinLock);
662 pWbUsb = &priv->sHwData.WbUsb;
663 pWbUsb->udev = udev;
665 interface = intf->cur_altsetting;
666 endpoint = &interface->endpoint[0].desc;
668 if (endpoint[2].wMaxPacketSize == 512) {
669 printk("[w35und] Working on USB 2.0\n");
670 pWbUsb->IsUsb20 = 1;
673 err = wb35_hw_init(dev);
674 if (err)
675 goto error_free_hw;
677 SET_IEEE80211_DEV(dev, &udev->dev);
679 struct hw_data * pHwData = &priv->sHwData;
680 unsigned char dev_addr[MAX_ADDR_LEN];
681 hal_get_permanent_address(pHwData, dev_addr);
682 SET_IEEE80211_PERM_ADDR(dev, dev_addr);
685 dev->extra_tx_headroom = 12; /* FIXME */
686 dev->flags = IEEE80211_HW_SIGNAL_UNSPEC;
687 dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
689 dev->channel_change_time = 1000;
690 dev->max_signal = 100;
691 dev->queues = 1;
693 dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &wbsoft_band_2GHz;
695 err = ieee80211_register_hw(dev);
696 if (err)
697 goto error_free_hw;
699 usb_set_intfdata(intf, dev);
701 return 0;
703 error_free_hw:
704 ieee80211_free_hw(dev);
705 error:
706 usb_put_dev(udev);
707 return err;
710 static void wb35_hw_halt(struct wbsoft_priv *adapter)
712 Mds_Destroy( adapter );
714 // Turn off Rx and Tx hardware ability
715 hal_stop( &adapter->sHwData );
716 #ifdef _PE_USB_INI_DUMP_
717 printk("[w35und] Hal_stop O.K.\n");
718 #endif
719 msleep(100);// Waiting Irp completed
721 // Halt the HAL
722 hal_halt(&adapter->sHwData, NULL);
726 static void wb35_disconnect(struct usb_interface *intf)
728 struct ieee80211_hw *hw = usb_get_intfdata(intf);
729 struct wbsoft_priv *priv = hw->priv;
731 wb35_hw_halt(priv);
733 ieee80211_stop_queues(hw);
734 ieee80211_unregister_hw(hw);
735 ieee80211_free_hw(hw);
737 usb_set_intfdata(intf, NULL);
738 usb_put_dev(interface_to_usbdev(intf));
741 static struct usb_driver wb35_driver = {
742 .name = "w35und",
743 .id_table = wb35_table,
744 .probe = wb35_probe,
745 .disconnect = wb35_disconnect,
748 static int __init wb35_init(void)
750 return usb_register(&wb35_driver);
753 static void __exit wb35_exit(void)
755 usb_deregister(&wb35_driver);
758 module_init(wb35_init);
759 module_exit(wb35_exit);