diff options
Diffstat (limited to 'drivers/staging/winbond/wblinux.c')
| -rw-r--r-- | drivers/staging/winbond/wblinux.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/drivers/staging/winbond/wblinux.c b/drivers/staging/winbond/wblinux.c new file mode 100644 index 00000000000..2eade5a47b1 --- /dev/null +++ b/drivers/staging/winbond/wblinux.c @@ -0,0 +1,277 @@ +//============================================================================ +// Copyright (c) 1996-2005 Winbond Electronic Corporation +// +// Module Name: +// wblinux.c +// +// Abstract: +// Linux releated routines +// +//============================================================================ +#include "os_common.h" + +u32 +WBLINUX_MemoryAlloc(void* *VirtualAddress, u32 Length) +{ + *VirtualAddress = kzalloc( Length, GFP_ATOMIC ); //GFP_KERNEL is not suitable + + if (*VirtualAddress == NULL) + return 0; + return 1; +} + +s32 +EncapAtomicInc(PADAPTER Adapter, void* pAtomic) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + u32 ltmp; + PULONG pltmp = (PULONG)pAtomic; + OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock ); + (*pltmp)++; + ltmp = (*pltmp); + OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock ); + return ltmp; +} + +s32 +EncapAtomicDec(PADAPTER Adapter, void* pAtomic) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + u32 ltmp; + PULONG pltmp = (PULONG)pAtomic; + OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock ); + (*pltmp)--; + ltmp = (*pltmp); + OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock ); + return ltmp; +} + +unsigned char +WBLINUX_Initial(PADAPTER Adapter) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + + OS_SPIN_LOCK_ALLOCATE( &pWbLinux->SpinLock ); + OS_SPIN_LOCK_ALLOCATE( &pWbLinux->AtomicSpinLock ); + return TRUE; +} + +void +WBLinux_ReceivePacket(PADAPTER Adapter, PRXLAYER1 pRxLayer1) +{ + BUG(); +} + + +void +WBLINUX_GetNextPacket(PADAPTER Adapter, PDESCRIPTOR pDes) +{ + BUG(); +} + +void +WBLINUX_GetNextPacketCompleted(PADAPTER Adapter, PDESCRIPTOR pDes) +{ + BUG(); +} + +void +WBLINUX_Destroy(PADAPTER Adapter) +{ + WBLINUX_stop( Adapter ); + OS_SPIN_LOCK_FREE( &pWbNdis->SpinLock ); +#ifdef _PE_USB_INI_DUMP_ + WBDEBUG(("[w35und] unregister_netdev!\n")); +#endif +} + +void +WBLINUX_stop( PADAPTER Adapter ) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + struct sk_buff *pSkb; + + if (OS_ATOMIC_INC( Adapter, &pWbLinux->ThreadCount ) == 1) { + // Shutdown module immediately + pWbLinux->shutdown = 1; + + while (pWbLinux->skb_array[ pWbLinux->skb_GetIndex ]) { + // Trying to free the un-sending packet + pSkb = pWbLinux->skb_array[ pWbLinux->skb_GetIndex ]; + pWbLinux->skb_array[ pWbLinux->skb_GetIndex ] = NULL; + if( in_irq() ) + dev_kfree_skb_irq( pSkb ); + else + dev_kfree_skb( pSkb ); + + pWbLinux->skb_GetIndex++; + pWbLinux->skb_GetIndex %= WBLINUX_PACKET_ARRAY_SIZE; + } + +#ifdef _PE_STATE_DUMP_ + WBDEBUG(( "[w35und] SKB_RELEASE OK\n" )); +#endif + } + + OS_ATOMIC_DEC( Adapter, &pWbLinux->ThreadCount ); +} + +void +WbWlanHalt( PADAPTER Adapter ) +{ + //--------------------- + Adapter->sLocalPara.ShutDowned = TRUE; + + Mds_Destroy( Adapter ); + + // Turn off Rx and Tx hardware ability + hal_stop( &Adapter->sHwData ); +#ifdef _PE_USB_INI_DUMP_ + WBDEBUG(("[w35und] Hal_stop O.K.\n")); +#endif + OS_SLEEP(100000);// Waiting Irp completed + + // Destroy the NDIS module + WBLINUX_Destroy( Adapter ); + + // Halt the HAL + hal_halt(&Adapter->sHwData, NULL); +} + +unsigned char +WbWLanInitialize(PADAPTER Adapter) +{ + phw_data_t pHwData; + PUCHAR pMacAddr, pMacAddr2; + u32 InitStep = 0; + u8 EEPROM_region; + u8 HwRadioOff; + + do { + // + // Setting default value for Linux + // + Adapter->sLocalPara.region_INF = REGION_AUTO; + Adapter->sLocalPara.TxRateMode = RATE_AUTO; + psLOCAL->bMacOperationMode = MODE_802_11_BG; // B/G mode + Adapter->Mds.TxRTSThreshold = DEFAULT_RTSThreshold; + Adapter->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; + hal_set_phy_type( &Adapter->sHwData, RF_WB_242_1 ); + Adapter->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE; + psLOCAL->bPreambleMode = AUTO_MODE; + Adapter->sLocalPara.RadioOffStatus.boSwRadioOff = FALSE; + pHwData = &Adapter->sHwData; + hal_set_phy_type( pHwData, RF_DECIDE_BY_INF ); + + // + // Initial each module and variable + // + if (!WBLINUX_Initial(Adapter)) { +#ifdef _PE_USB_INI_DUMP_ + WBDEBUG(("[w35und]WBNDIS initialization failed\n")); +#endif + break; + } + + // Initial Software variable + Adapter->sLocalPara.ShutDowned = FALSE; + + //added by ws for wep key error detection + Adapter->sLocalPara.bWepKeyError= FALSE; + Adapter->sLocalPara.bToSelfPacketReceived = FALSE; + Adapter->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds + + // Initial USB hal + InitStep = 1; + pHwData = &Adapter->sHwData; + if (!hal_init_hardware(pHwData, Adapter)) + break; + + EEPROM_region = hal_get_region_from_EEPROM( pHwData ); + if (EEPROM_region != REGION_AUTO) + psLOCAL->region = EEPROM_region; + else { + if (psLOCAL->region_INF != REGION_AUTO) + psLOCAL->region = psLOCAL->region_INF; + else + psLOCAL->region = REGION_USA; //default setting + } + + // Get Software setting flag from hal + Adapter->sLocalPara.boAntennaDiversity = FALSE; + if (hal_software_set(pHwData) & 0x00000001) + Adapter->sLocalPara.boAntennaDiversity = TRUE; + + // + // For TS module + // + InitStep = 2; + + // For MDS module + InitStep = 3; + Mds_initial(Adapter); + + //======================================= + // Initialize the SME, SCAN, MLME, ROAM + //======================================= + InitStep = 4; + InitStep = 5; + InitStep = 6; + + // If no user-defined address in the registry, use the addresss "burned" on the NIC instead. + pMacAddr = Adapter->sLocalPara.ThisMacAddress; + pMacAddr2 = Adapter->sLocalPara.PermanentAddress; + hal_get_permanent_address( pHwData, Adapter->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM + if (OS_MEMORY_COMPARE(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH )) // Is equal + { + memcpy( pMacAddr, pMacAddr2, MAC_ADDR_LENGTH ); + } else { + // Set the user define MAC address + hal_set_ethernet_address( pHwData, Adapter->sLocalPara.ThisMacAddress ); + } + + //get current antenna + psLOCAL->bAntennaNo = hal_get_antenna_number(pHwData); +#ifdef _PE_STATE_DUMP_ + WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo)); +#endif + hal_get_hw_radio_off( pHwData ); + + // Waiting for HAL setting OK + while (!hal_idle(pHwData)) + OS_SLEEP(10000); + + MTO_Init(Adapter); + + HwRadioOff = hal_get_hw_radio_off( pHwData ); + psLOCAL->RadioOffStatus.boHwRadioOff = !!HwRadioOff; + + hal_set_radio_mode( pHwData, (unsigned char)(psLOCAL->RadioOffStatus.boSwRadioOff || psLOCAL->RadioOffStatus.boHwRadioOff) ); + + hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now. + //set a tx power for reference..... +// sme_set_tx_power_level(Adapter, 12); FIXME? + return TRUE; + } + while(FALSE); + + switch (InitStep) { + case 5: + case 4: + case 3: Mds_Destroy( Adapter ); + case 2: + case 1: WBLINUX_Destroy( Adapter ); + hal_halt( pHwData, NULL ); + case 0: break; + } + + return FALSE; +} + +void WBLINUX_ConnectStatus(PADAPTER Adapter, u32 flag) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + + pWbLinux->LinkStatus = flag; // OS_DISCONNECTED or OS_CONNECTED +} + |