drivers/staging/winbond/wblinux.c

   1 //============================================================================
   2 //  Copyright (c) 1996-2005 Winbond Electronic Corporation
   3 //
   4 //  Module Name:
   5 //    wblinux.c
   6 //
   7 //  Abstract:
   8 //    Linux releated routines
   9 //
  10 //============================================================================
  11 #include "os_common.h"
  12
  13 unsigned char
  14 WBLINUX_Initial(struct wb35_adapter * adapter)
  15 {
  16         spin_lock_init( &adapter->SpinLock );
  17         return true;
  18 }
  19
  20 void
  21 WBLinux_ReceivePacket(struct wb35_adapter * adapter, PRXLAYER1 pRxLayer1)
  22 {
  23         BUG();
  24 }
  25
  26
  27 void
  28 WBLINUX_GetNextPacket(struct wb35_adapter * adapter,  PDESCRIPTOR pDes)
  29 {
  30         BUG();
  31 }
  32
  33 void
  34 WBLINUX_GetNextPacketCompleted(struct wb35_adapter * adapter, PDESCRIPTOR pDes)
  35 {
  36         BUG();
  37 }
  38
  39 void
  40 WBLINUX_Destroy(struct wb35_adapter * adapter)
  41 {
  42         WBLINUX_stop( adapter );
  43 #ifdef _PE_USB_INI_DUMP_
  44         WBDEBUG(("[w35und] unregister_netdev!\n"));
  45 #endif
  46 }
  47
  48 void
  49 WBLINUX_stop(  struct wb35_adapter * adapter )
  50 {
  51         struct sk_buff *pSkb;
  52
  53         if (atomic_inc_return(&adapter->ThreadCount) == 1) {
  54                 // Shutdown module immediately
  55                 adapter->shutdown = 1;
  56
  57                 while (adapter->skb_array[ adapter->skb_GetIndex ]) {
  58                         // Trying to free the un-sending packet
  59                         pSkb = adapter->skb_array[ adapter->skb_GetIndex ];
  60                         adapter->skb_array[ adapter->skb_GetIndex ] = NULL;
  61                         if( in_irq() )
  62                                 dev_kfree_skb_irq( pSkb );
  63                         else
  64                                 dev_kfree_skb( pSkb );
  65
  66                         adapter->skb_GetIndex++;
  67                         adapter->skb_GetIndex %= WBLINUX_PACKET_ARRAY_SIZE;
  68                 }
  69
  70 #ifdef _PE_STATE_DUMP_
  71                 WBDEBUG(( "[w35und] SKB_RELEASE OK\n" ));
  72 #endif
  73         }
  74
  75         atomic_dec(&adapter->ThreadCount);
  76 }
  77
  78 void
  79 WbWlanHalt(struct wb35_adapter *adapter)
  80 {
  81         //---------------------
  82         adapter->sLocalPara.ShutDowned = true;
  83
  84         Mds_Destroy(adapter);
  85
  86         // Turn off Rx and Tx hardware ability
  87         hal_stop(&adapter->sHwData);
  88 #ifdef _PE_USB_INI_DUMP_
  89         WBDEBUG(("[w35und] Hal_stop O.K.\n"));
  90 #endif
  91         msleep(100);// Waiting Irp completed
  92
  93         // Destroy the NDIS module
  94         WBLINUX_Destroy(adapter);
  95
  96         // Halt the HAL
  97         hal_halt(&adapter->sHwData, NULL);
  98 }
  99
 100 unsigned char
 101 WbWLanInitialize(struct wb35_adapter *adapter)
 102 {
 103         phw_data_t      pHwData;
 104         u8              *pMacAddr;
 105         u8              *pMacAddr2;
 106         u32             InitStep = 0;
 107         u8              EEPROM_region;
 108         u8              HwRadioOff;
 109
 110         //
 111         // Setting default value for Linux
 112         //
 113         adapter->sLocalPara.region_INF = REGION_AUTO;
 114         adapter->sLocalPara.TxRateMode = RATE_AUTO;
 115         psLOCAL->bMacOperationMode = MODE_802_11_BG;    // B/G mode
 116         adapter->Mds.TxRTSThreshold = DEFAULT_RTSThreshold;
 117         adapter->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
 118         hal_set_phy_type( &adapter->sHwData, RF_WB_242_1 );
 119         adapter->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE;
 120         psLOCAL->bPreambleMode = AUTO_MODE;
 121         adapter->sLocalPara.RadioOffStatus.boSwRadioOff = false;
 122         pHwData = &adapter->sHwData;
 123         hal_set_phy_type( pHwData, RF_DECIDE_BY_INF );
 124
 125         //
 126         // Initial each module and variable
 127         //
 128         if (!WBLINUX_Initial(adapter)) {
 129 #ifdef _PE_USB_INI_DUMP_
 130                 WBDEBUG(("[w35und]WBNDIS initialization failed\n"));
 131 #endif
 132                 goto error;
 133         }
 134
 135         // Initial Software variable
 136         adapter->sLocalPara.ShutDowned = false;
 137
 138         //added by ws for wep key error detection
 139         adapter->sLocalPara.bWepKeyError= false;
 140         adapter->sLocalPara.bToSelfPacketReceived = false;
 141         adapter->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds
 142
 143         // Initial USB hal
 144         InitStep = 1;
 145         pHwData = &adapter->sHwData;
 146         if (!hal_init_hardware(pHwData, adapter))
 147                 goto error;
 148
 149         EEPROM_region = hal_get_region_from_EEPROM( pHwData );
 150         if (EEPROM_region != REGION_AUTO)
 151                 psLOCAL->region = EEPROM_region;
 152         else {
 153                 if (psLOCAL->region_INF != REGION_AUTO)
 154                         psLOCAL->region = psLOCAL->region_INF;
 155                 else
 156                         psLOCAL->region = REGION_USA;   //default setting
 157         }
 158
 159         // Get Software setting flag from hal
 160         adapter->sLocalPara.boAntennaDiversity = false;
 161         if (hal_software_set(pHwData) & 0x00000001)
 162                 adapter->sLocalPara.boAntennaDiversity = true;
 163
 164         //
 165         // For TS module
 166         //
 167         InitStep = 2;
 168
 169         // For MDS module
 170         InitStep = 3;
 171         Mds_initial(adapter);
 172
 173         //=======================================
 174         // Initialize the SME, SCAN, MLME, ROAM
 175         //=======================================
 176         InitStep = 4;
 177         InitStep = 5;
 178         InitStep = 6;
 179
 180         // If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
 181         pMacAddr = adapter->sLocalPara.ThisMacAddress;
 182         pMacAddr2 = adapter->sLocalPara.PermanentAddress;
 183         hal_get_permanent_address( pHwData, adapter->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM
 184         if (OS_MEMORY_COMPARE(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH )) // Is equal
 185         {
 186                 memcpy( pMacAddr, pMacAddr2, MAC_ADDR_LENGTH );
 187         } else {
 188                 // Set the user define MAC address
 189                 hal_set_ethernet_address( pHwData, adapter->sLocalPara.ThisMacAddress );
 190         }
 191
 192         //get current antenna
 193         psLOCAL->bAntennaNo = hal_get_antenna_number(pHwData);
 194 #ifdef _PE_STATE_DUMP_
 195         WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo));
 196 #endif
 197         hal_get_hw_radio_off( pHwData );
 198
 199         // Waiting for HAL setting OK
 200         while (!hal_idle(pHwData))
 201                 msleep(10);
 202
 203         MTO_Init(adapter);
 204
 205         HwRadioOff = hal_get_hw_radio_off( pHwData );
 206         psLOCAL->RadioOffStatus.boHwRadioOff = !!HwRadioOff;
 207
 208         hal_set_radio_mode( pHwData, (unsigned char)(psLOCAL->RadioOffStatus.boSwRadioOff || psLOCAL->RadioOffStatus.boHwRadioOff) );
 209
 210         hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
 211         //set a tx power for reference.....
 212 //      sme_set_tx_power_level(adapter, 12);    FIXME?
 213         return true;
 214
 215 error:
 216         switch (InitStep) {
 217         case 5:
 218         case 4:
 219         case 3: Mds_Destroy( adapter );
 220         case 2:
 221         case 1: WBLINUX_Destroy( adapter );
 222                 hal_halt( pHwData, NULL );
 223         case 0: break;
 224         }
 225
 226         return false;
 227 }
 228
 229 void WBLINUX_ConnectStatus(struct wb35_adapter * adapter, u32 flag)
 230 {
 231         adapter->LinkStatus = flag; // OS_DISCONNECTED  or  OS_CONNECTED
 232 }
 233