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This is part of rtl8180 OpenSource driver.
Copyright (C) Andrea Merello 2004-2005 <>
Released under the terms of GPL (General Public Licence)
Parts of this driver are based on the GPL part of the
official realtek driver
Parts of this driver are based on the rtl8180 driver skeleton
from Patric Schenke & Andres Salomon
Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver
We want to thanks the Authors of those projects and the Ndiswrapper
project Authors.
#ifndef R8180H
#define R8180H
#include <linux/interrupt.h>
#define RTL8180_MODULE_NAME "r8180"
#define DMESG(x,a...) printk(KERN_INFO RTL8180_MODULE_NAME ": " x "\n", ## a)
#define DMESGW(x,a...) printk(KERN_WARNING RTL8180_MODULE_NAME ": WW:" x "\n", ## a)
#define DMESGE(x,a...) printk(KERN_WARNING RTL8180_MODULE_NAME ": EE:" x "\n", ## a)
#include <linux/module.h>
#include <linux/kernel.h>
//#include <linux/config.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <linux/rtnetlink.h> //for rtnl_lock()
#include <linux/wireless.h>
#include <linux/timer.h>
#include <linux/proc_fs.h> // Necessary because we use the proc fs
#include <linux/if_arp.h>
#include "ieee80211/ieee80211.h"
#include <asm/io.h>
//#include <asm/semaphore.h>
#define EPROM_93c46 0
#define EPROM_93c56 1
#define BEACON_QUEUE 6
#define aSifsTime 10
#define sCrcLng 4
#define sAckCtsLng 112 // bits in ACK and CTS frames
//+by amy 080312
typedef enum _WIRELESS_MODE {
typedef struct ChnlAccessSetting {
u16 SIFS_Timer;
u16 DIFS_Timer;
u16 SlotTimeTimer;
u16 EIFS_Timer;
u16 CWminIndex;
u16 CWmaxIndex;
typedef enum{
NIC_8185 = 1,
} nic_t;
typedef u32 AC_CODING;
#define AC0_BE 0 // ACI: 0x00 // Best Effort
#define AC1_BK 1 // ACI: 0x01 // Background
#define AC2_VI 2 // ACI: 0x10 // Video
#define AC3_VO 3 // ACI: 0x11 // Voice
#define AC_MAX 4 // Max: define total number; Should not to be used as a real enum.
// ECWmin/ECWmax field.
// Ref: WMM spec 2.2.2: WME Parameter Element, p.13.
typedef union _ECW{
u8 charData;
u8 ECWmin:4;
u8 ECWmax:4;
}f; // Field
// ACI/AIFSN Field.
// Ref: WMM spec 2.2.2: WME Parameter Element, p.12.
typedef union _ACI_AIFSN{
u8 charData;
u8 AIFSN:4;
u8 ACM:1;
u8 ACI:2;
u8 Reserved:1;
}f; // Field
// AC Parameters Record Format.
// Ref: WMM spec 2.2.2: WME Parameter Element, p.12.
typedef union _AC_PARAM{
u32 longData;
u8 charData[4];
ECW Ecw;
u16 TXOPLimit;
}f; // Field
/* it is a wrong definition. -xiong-2006-11-17
typedef struct ThreeWireReg {
u16 longData;
struct {
u8 enableB;
u8 data;
u8 clk;
u8 read_write;
} struc;
} ThreeWireReg;
typedef union _ThreeWire{
struct _ThreeWireStruc{
u16 data:1;
u16 clk:1;
u16 enableB:1;
u16 read_write:1;
u16 resv1:12;
// u2Byte resv2:14;
// u2Byte ThreeWireEnable:1;
// u2Byte resv3:1;
u16 longData;
typedef struct buffer
struct buffer *next;
u32 *buf;
dma_addr_t dma;
} buffer;
typedef struct Stats
unsigned long txrdu;
unsigned long rxrdu;
unsigned long rxnolast;
unsigned long rxnodata;
// unsigned long rxreset;
// unsigned long rxwrkaround;
unsigned long rxnopointer;
unsigned long txnperr;
unsigned long txresumed;
unsigned long rxerr;
unsigned long rxoverflow;
unsigned long rxint;
unsigned long txbkpokint;
unsigned long txbepoking;
unsigned long txbkperr;
unsigned long txbeperr;
unsigned long txnpokint;
unsigned long txhpokint;
unsigned long txhperr;
unsigned long ints;
unsigned long shints;
unsigned long txoverflow;
unsigned long rxdmafail;
unsigned long txbeacon;
unsigned long txbeaconerr;
unsigned long txlpokint;
unsigned long txlperr;
unsigned long txretry;//retry number tony 20060601
unsigned long rxcrcerrmin;//crc error (0-500)
unsigned long rxcrcerrmid;//crc error (500-1000)
unsigned long rxcrcerrmax;//crc error (>1000)
unsigned long rxicverr;//ICV error
} Stats;
#define MAX_LD_SLOT_NUM 10
#define KEEP_ALIVE_INTERVAL 20 // in seconds.
#define CHECK_FOR_HANG_PERIOD 2 //be equal to watchdog check time
typedef struct _link_detect_t
u32 RxFrameNum[MAX_LD_SLOT_NUM]; // number of Rx Frame / CheckForHang_period to determine link status
u16 SlotNum; // number of CheckForHang period to determine link status, default is 2
u16 SlotIndex;
u32 NumTxOkInPeriod; //number of packet transmitted during CheckForHang
u32 NumRxOkInPeriod; //number of packet received during CheckForHang
u32 LastNumTxUnicast;
u32 LastNumRxUnicast;
bool bBusyTraffic; //when it is set to 1, UI cann't scan at will.
}link_detect_t, *plink_detect_t;
//by amy for led
// LED customization.
typedef enum _LED_STRATEGY_8185{
HW_LED, // HW control 2 LEDs, LED0 and LED1 (there are 4 different control modes)
//by amy for led
//by amy for power save
typedef enum _LED_CTL_MODE{
typedef enum _RT_RF_POWER_STATE
enum _ReasonCode{
unspec_reason = 0x1,
auth_not_valid = 0x2,
deauth_lv_ss = 0x3,
inactivity = 0x4,
ap_overload = 0x5,
class2_err = 0x6,
class3_err = 0x7,
disas_lv_ss = 0x8,
asoc_not_auth = 0x9,
mic_failure = 0xe,
// Reason code defined in 802.11i D10.0 p.28.
invalid_IE = 0x0d,
four_way_tmout = 0x0f,
two_way_tmout = 0x10,
IE_dismatch = 0x11,
invalid_Gcipher = 0x12,
invalid_Pcipher = 0x13,
invalid_AKMP = 0x14,
unsup_RSNIEver = 0x15,
invalid_RSNIE = 0x16,
auth_802_1x_fail= 0x17,
ciper_reject = 0x18,
// Reason code defined in, 802.1e D13.0, p.42. Added by Annie, 2005-11-15.
QoS_unspec = 0x20, // 32
QAP_bandwidth = 0x21, // 33
poor_condition = 0x22, // 34
no_facility = 0x23, // 35
// Where is 36???
req_declined = 0x25, // 37
invalid_param = 0x26, // 38
req_not_honored= 0x27, // 39
TS_not_created = 0x2F, // 47
DL_not_allowed = 0x30, // 48
dest_not_exist = 0x31, // 49
dest_not_QSTA = 0x32, // 50
typedef enum _RT_PS_MODE
eActive, // Active/Continuous access.
eMaxPs, // Max power save mode.
eFastPs // Fast power save mode.
//by amy for power save
typedef struct r8180_priv
struct pci_dev *pdev;
short epromtype;
int irq;
struct ieee80211_device *ieee80211;
short plcp_preamble_mode; // 0:auto 1:short 2:long
spinlock_t irq_th_lock;
spinlock_t tx_lock;
spinlock_t ps_lock;
spinlock_t rf_ps_lock;
u16 irq_mask;
short irq_enabled;
struct net_device *dev;
short chan;
short sens;
short max_sens;
u8 chtxpwr[15]; //channels from 1 to 14, 0 not used
u8 chtxpwr_ofdm[15]; //channels from 1 to 14, 0 not used
//u8 challow[15]; //channels from 1 to 14, 0 not used
u8 channel_plan; // it's the channel plan index
short up;
short crcmon; //if 1 allow bad crc frame reception in monitor mode
struct timer_list scan_timer;
/*short scanpending;
short stopscan;*/
spinlock_t scan_lock;
u8 active_probe;
//u8 active_scan_num;
struct semaphore wx_sem;
short hw_wep;
short digphy;
short antb;
short diversity;
u32 key0[4];
short (*rf_set_sens)(struct net_device *dev,short sens);
void (*rf_set_chan)(struct net_device *dev,short ch);
void (*rf_close)(struct net_device *dev);
void (*rf_init)(struct net_device *dev);
void (*rf_sleep)(struct net_device *dev);
void (*rf_wakeup)(struct net_device *dev);
//short rate;
short promisc;
struct Stats stats;
struct _link_detect_t link_detect; //YJ,add,080828
struct iw_statistics wstats;
/*RX stuff*/
u32 *rxring;
u32 *rxringtail;
dma_addr_t rxringdma;
struct buffer *rxbuffer;
struct buffer *rxbufferhead;
int rxringcount;
u16 rxbuffersize;
struct sk_buff *rx_skb;
short rx_skb_complete;
u32 rx_prevlen;
/*TX stuff*/
u32 *txlpring;
u32 *txhpring;
u32 *txnpring;
dma_addr_t txlpringdma;
dma_addr_t txhpringdma;
dma_addr_t txnpringdma;
u32 *txlpringtail;
u32 *txhpringtail;
u32 *txnpringtail;
u32 *txlpringhead;
u32 *txhpringhead;
u32 *txnpringhead;
struct buffer *txlpbufs;
struct buffer *txhpbufs;
struct buffer *txnpbufs;
struct buffer *txlpbufstail;
struct buffer *txhpbufstail;
struct buffer *txnpbufstail;
u32 *txmapring;
u32 *txbkpring;
u32 *txbepring;
u32 *txvipring;
u32 *txvopring;
u32 *txhpring;
dma_addr_t txmapringdma;
dma_addr_t txbkpringdma;
dma_addr_t txbepringdma;
dma_addr_t txvipringdma;
dma_addr_t txvopringdma;
dma_addr_t txhpringdma;
u32 *txmapringtail;
u32 *txbkpringtail;
u32 *txbepringtail;
u32 *txvipringtail;
u32 *txvopringtail;
u32 *txhpringtail;
u32 *txmapringhead;
u32 *txbkpringhead;
u32 *txbepringhead;
u32 *txvipringhead;
u32 *txvopringhead;
u32 *txhpringhead;
struct buffer *txmapbufs;
struct buffer *txbkpbufs;
struct buffer *txbepbufs;
struct buffer *txvipbufs;
struct buffer *txvopbufs;
struct buffer *txhpbufs;
struct buffer *txmapbufstail;
struct buffer *txbkpbufstail;
struct buffer *txbepbufstail;
struct buffer *txvipbufstail;
struct buffer *txvopbufstail;
struct buffer *txhpbufstail;
int txringcount;
int txbuffsize;
//struct tx_pendingbuf txnp_pending;
//struct tasklet_struct irq_tx_tasklet;
struct tasklet_struct irq_rx_tasklet;
u8 dma_poll_mask;
//short tx_suspend;
/* adhoc/master mode stuff */
u32 *txbeaconringtail;
dma_addr_t txbeaconringdma;
u32 *txbeaconring;
int txbeaconcount;
struct buffer *txbeaconbufs;
struct buffer *txbeaconbufstail;
//char *master_essid;
//u16 master_beaconinterval;
//u32 master_beaconsize;
//u16 beacon_interval;
u8 retry_data;
u8 retry_rts;
u16 rts;
//by amy for led
LED_STRATEGY_8185 LedStrategy;
//by amy for led
//by amy for power save
struct timer_list watch_dog_timer;
bool bInactivePs;
bool bSwRfProcessing;
RT_RF_POWER_STATE eInactivePowerState;
u32 RfOffReason;
bool RFChangeInProgress;
bool SetRFPowerStateInProgress;
u8 RFProgType;
bool bLeisurePs;
RT_PS_MODE dot11PowerSaveMode;
//u32 NumRxOkInPeriod; //YJ,del,080828
//u32 NumTxOkInPeriod; //YJ,del,080828
u8 TxPollingTimes;
bool bApBufOurFrame;// TRUE if AP buffer our unicast data , we will keep eAwake until receive data or timeout.
u8 WaitBufDataBcnCount;
u8 WaitBufDataTimeOut;
//by amy for power save
//by amy for antenna
u8 EEPROMSwAntennaDiversity;
bool EEPROMDefaultAntenna1;
u8 RegSwAntennaDiversityMechanism;
bool bSwAntennaDiverity;
u8 RegDefaultAntenna;
bool bDefaultAntenna1;
u8 SignalStrength;
long Stats_SignalStrength;
long LastSignalStrengthInPercent; // In percentage, used for smoothing, e.g. Moving Average.
u8 SignalQuality; // in 0-100 index.
long Stats_SignalQuality;
long RecvSignalPower; // in dBm.
long Stats_RecvSignalPower;
u8 LastRxPktAntenna; // +by amy 080312 Antenna which received the lasted packet. 0: Aux, 1:Main. Added by Roger, 2008.01.25.
u32 AdRxOkCnt;
long AdRxSignalStrength;
u8 CurrAntennaIndex; // Index to current Antenna (both Tx and Rx).
u8 AdTickCount; // Times of SwAntennaDiversityTimer happened.
u8 AdCheckPeriod; // # of period SwAntennaDiversityTimer to check Rx signal strength for SW Antenna Diversity.
u8 AdMinCheckPeriod; // Min value of AdCheckPeriod.
u8 AdMaxCheckPeriod; // Max value of AdCheckPeriod.
long AdRxSsThreshold; // Signal strength threshold to switch antenna.
long AdMaxRxSsThreshold; // Max value of AdRxSsThreshold.
bool bAdSwitchedChecking; // TRUE if we shall shall check Rx signal strength for last time switching antenna.
long AdRxSsBeforeSwitched; // Rx signal strength before we switched antenna.
struct timer_list SwAntennaDiversityTimer;
//by amy for antenna
//{by amy 080312
// Crystal calibration.
// Added by Roger, 2007.12.11.
bool bXtalCalibration; // Crystal calibration.
u8 XtalCal_Xin; // Crystal calibration for Xin. 0~7.5pF
u8 XtalCal_Xout; // Crystal calibration for Xout. 0~7.5pF
// Tx power tracking with thermal meter indication.
// Added by Roger, 2007.12.11.
bool bTxPowerTrack; // Tx Power tracking.
u8 ThermalMeter; // Thermal meter reference indication.
// Dynamic Initial Gain Adjustment Mechanism. Added by Bruce, 2007-02-14.
bool bDigMechanism; // TRUE if DIG is enabled, FALSE ow.
bool bRegHighPowerMechanism; // For High Power Mechanism. 061010, by rcnjko.
u32 FalseAlarmRegValue;
u8 RegDigOfdmFaUpTh; // Upper threshold of OFDM false alarm, which is used in DIG.
u8 DIG_NumberFallbackVote;
u8 DIG_NumberUpgradeVote;
// For HW antenna diversity, added by Roger, 2008.01.30.
u32 AdMainAntennaRxOkCnt; // Main antenna Rx OK count.
u32 AdAuxAntennaRxOkCnt; // Aux antenna Rx OK count.
bool bHWAdSwitched; // TRUE if we has switched default antenna by HW evaluation.
// RF High Power upper/lower threshold.
u8 RegHiPwrUpperTh;
u8 RegHiPwrLowerTh;
// RF RSSI High Power upper/lower Threshold.
u8 RegRSSIHiPwrUpperTh;
u8 RegRSSIHiPwrLowerTh;
// Current CCK RSSI value to determine CCK high power, asked by SD3 DZ, by Bruce, 2007-04-12.
bool bCurCCKPkt;
// High Power Mechanism. Added by amy, 080312.
bool bToUpdateTxPwr;
long UndecoratedSmoothedSS;
long UndercorateSmoothedRxPower;
u8 RSSI;
char RxPower;
u8 InitialGain;
//For adjust Dig Threshold during Legacy/Leisure Power Save Mode
u32 DozePeriodInPast2Sec;
// Don't access BB/RF under disable PLL situation.
u8 InitialGainBackUp;
u8 RegBModeGainStage;
//by amy for rate adaptive
struct timer_list rateadapter_timer;
u32 RateAdaptivePeriod;
bool bEnhanceTxPwr;
bool bUpdateARFR;
int ForcedDataRate; // Force Data Rate. 0: Auto, 0x02: 1M ~ 0x6C: 54M.)
u32 NumTxUnicast; //YJ,add,080828,for keep alive
u8 keepAliveLevel; //YJ,add,080828,for KeepAlive
unsigned long NumTxOkTotal;
u16 LastRetryCnt;
u16 LastRetryRate;
unsigned long LastTxokCnt;
unsigned long LastRxokCnt;
u16 CurrRetryCnt;
unsigned long LastTxOKBytes;
unsigned long NumTxOkBytesTotal;
u8 LastFailTxRate;
long LastFailTxRateSS;
u8 FailTxRateCount;
u32 LastTxThroughput;
//for up rate
unsigned short bTryuping;
u8 CurrTxRate; //the rate before up
u16 CurrRetryRate;
u16 TryupingCount;
u8 TryDownCountLowData;
u8 TryupingCountNoData;
u8 CurrentOperaRate;
//by amy for rate adaptive
//by amy 080312}
// short wq_hurryup;
// struct workqueue_struct *workqueue;
struct work_struct reset_wq;
struct work_struct watch_dog_wq;
short ack_tx_to_ieee;
u8 dma_poll_stop_mask;
//u8 RegThreeWireMode;
u16 ShortRetryLimit;
u16 LongRetryLimit;
u16 EarlyRxThreshold;
u32 TransmitConfig;
u32 ReceiveConfig;
u32 IntrMask;
struct ChnlAccessSetting ChannelAccessSetting;
#define BK_PRIORITY 1
#define BE_PRIORITY 2
#define VI_PRIORITY 3
#define VO_PRIORITY 4
#define HI_PRIORITY 5
//AC2Queue mapping
#define AC2Q(_ac) (((_ac) == WME_AC_VO) ? VO_PRIORITY : \
((_ac) == WME_AC_VI) ? VI_PRIORITY : \
((_ac) == WME_AC_BK) ? BK_PRIORITY : \
short rtl8180_tx(struct net_device *dev,u8* skbuf, int len,int priority,
short morefrag,short fragdesc,int rate);
u8 read_nic_byte(struct net_device *dev, int x);
u32 read_nic_dword(struct net_device *dev, int x);
u16 read_nic_word(struct net_device *dev, int x) ;
void write_nic_byte(struct net_device *dev, int x,u8 y);
void write_nic_word(struct net_device *dev, int x,u16 y);
void write_nic_dword(struct net_device *dev, int x,u32 y);
void force_pci_posting(struct net_device *dev);
void rtl8180_rtx_disable(struct net_device *);
void rtl8180_set_anaparam(struct net_device *dev,u32 a);
void rtl8185_set_anaparam2(struct net_device *dev,u32 a);
void rtl8180_set_hw_wep(struct net_device *dev);
void rtl8180_no_hw_wep(struct net_device *dev);
void rtl8180_update_msr(struct net_device *dev);
void rtl8180_beacon_tx_disable(struct net_device *dev);
void rtl8180_beacon_rx_disable(struct net_device *dev);
int rtl8180_down(struct net_device *dev);
int rtl8180_up(struct net_device *dev);
void rtl8180_commit(struct net_device *dev);
void rtl8180_set_chan(struct net_device *dev,short ch);
void write_phy(struct net_device *dev, u8 adr, u8 data);
void write_phy_cck(struct net_device *dev, u8 adr, u32 data);
void write_phy_ofdm(struct net_device *dev, u8 adr, u32 data);
void rtl8185_tx_antenna(struct net_device *dev, u8 ant);
void rtl8185_rf_pins_enable(struct net_device *dev);
void IPSEnter(struct net_device *dev);
void IPSLeave(struct net_device *dev);
int get_curr_tx_free_desc(struct net_device *dev, int priority);
void UpdateInitialGain(struct net_device *dev);
bool SetAntennaConfig87SE(struct net_device *dev, u8 DefaultAnt, bool bAntDiversity);
//#ifdef CONFIG_RTL8185B
void rtl8185b_adapter_start(struct net_device *dev);
void rtl8185b_rx_enable(struct net_device *dev);
void rtl8185b_tx_enable(struct net_device *dev);
void rtl8180_reset(struct net_device *dev);
void rtl8185b_irq_enable(struct net_device *dev);
void fix_rx_fifo(struct net_device *dev);
void fix_tx_fifo(struct net_device *dev);
void rtl8225z2_SetTXPowerLevel(struct net_device *dev, short ch);
void rtl8180_rate_adapter(struct work_struct * work);
bool MgntActSet_RF_State(struct net_device *dev, RT_RF_POWER_STATE StateToSet, u32 ChangeSource);