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1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 | /* * rocket_int.h --- internal header file for rocket.c * * Written by Theodore Ts'o, Copyright 1997. * Copyright 1997 Comtrol Corporation. * */ /* * Definition of the types in rcktpt_type */ #define ROCKET_TYPE_NORMAL 0 #define ROCKET_TYPE_MODEM 1 #define ROCKET_TYPE_MODEMII 2 #define ROCKET_TYPE_MODEMIII 3 #define ROCKET_TYPE_PC104 4 #include <linux/mutex.h> #include <asm/io.h> #include <asm/byteorder.h> typedef unsigned char Byte_t; typedef unsigned int ByteIO_t; typedef unsigned int Word_t; typedef unsigned int WordIO_t; typedef unsigned int DWordIO_t; /* * Note! Normally the Linux I/O macros already take care of * byte-swapping the I/O instructions. However, all accesses using * sOutDW aren't really 32-bit accesses, but should be handled in byte * order. Hence the use of the cpu_to_le32() macro to byte-swap * things to no-op the byte swapping done by the big-endian outl() * instruction. */ static inline void sOutB(unsigned short port, unsigned char value) { #ifdef ROCKET_DEBUG_IO printk(KERN_DEBUG "sOutB(%x, %x)...\n", port, value); #endif outb_p(value, port); } static inline void sOutW(unsigned short port, unsigned short value) { #ifdef ROCKET_DEBUG_IO printk(KERN_DEBUG "sOutW(%x, %x)...\n", port, value); #endif outw_p(value, port); } static inline void out32(unsigned short port, Byte_t *p) { u32 value = get_unaligned_le32(p); #ifdef ROCKET_DEBUG_IO printk(KERN_DEBUG "out32(%x, %lx)...\n", port, value); #endif outl_p(value, port); } static inline unsigned char sInB(unsigned short port) { return inb_p(port); } static inline unsigned short sInW(unsigned short port) { return inw_p(port); } /* This is used to move arrays of bytes so byte swapping isn't appropriate. */ #define sOutStrW(port, addr, count) if (count) outsw(port, addr, count) #define sInStrW(port, addr, count) if (count) insw(port, addr, count) #define CTL_SIZE 8 #define AIOP_CTL_SIZE 4 #define CHAN_AIOP_SIZE 8 #define MAX_PORTS_PER_AIOP 8 #define MAX_AIOPS_PER_BOARD 4 #define MAX_PORTS_PER_BOARD 32 /* Bus type ID */ #define isISA 0 #define isPCI 1 #define isMC 2 /* Controller ID numbers */ #define CTLID_NULL -1 /* no controller exists */ #define CTLID_0001 0x0001 /* controller release 1 */ /* AIOP ID numbers, identifies AIOP type implementing channel */ #define AIOPID_NULL -1 /* no AIOP or channel exists */ #define AIOPID_0001 0x0001 /* AIOP release 1 */ /************************************************************************ Global Register Offsets - Direct Access - Fixed values ************************************************************************/ #define _CMD_REG 0x38 /* Command Register 8 Write */ #define _INT_CHAN 0x39 /* Interrupt Channel Register 8 Read */ #define _INT_MASK 0x3A /* Interrupt Mask Register 8 Read / Write */ #define _UNUSED 0x3B /* Unused 8 */ #define _INDX_ADDR 0x3C /* Index Register Address 16 Write */ #define _INDX_DATA 0x3E /* Index Register Data 8/16 Read / Write */ /************************************************************************ Channel Register Offsets for 1st channel in AIOP - Direct Access ************************************************************************/ #define _TD0 0x00 /* Transmit Data 16 Write */ #define _RD0 0x00 /* Receive Data 16 Read */ #define _CHN_STAT0 0x20 /* Channel Status 8/16 Read / Write */ #define _FIFO_CNT0 0x10 /* Transmit/Receive FIFO Count 16 Read */ #define _INT_ID0 0x30 /* Interrupt Identification 8 Read */ /************************************************************************ Tx Control Register Offsets - Indexed - External - Fixed ************************************************************************/ #define _TX_ENBLS 0x980 /* Tx Processor Enables Register 8 Read / Write */ #define _TXCMP1 0x988 /* Transmit Compare Value #1 8 Read / Write */ #define _TXCMP2 0x989 /* Transmit Compare Value #2 8 Read / Write */ #define _TXREP1B1 0x98A /* Tx Replace Value #1 - Byte 1 8 Read / Write */ #define _TXREP1B2 0x98B /* Tx Replace Value #1 - Byte 2 8 Read / Write */ #define _TXREP2 0x98C /* Transmit Replace Value #2 8 Read / Write */ /************************************************************************ Memory Controller Register Offsets - Indexed - External - Fixed ************************************************************************/ #define _RX_FIFO 0x000 /* Rx FIFO */ #define _TX_FIFO 0x800 /* Tx FIFO */ #define _RXF_OUTP 0x990 /* Rx FIFO OUT pointer 16 Read / Write */ #define _RXF_INP 0x992 /* Rx FIFO IN pointer 16 Read / Write */ #define _TXF_OUTP 0x994 /* Tx FIFO OUT pointer 8 Read / Write */ #define _TXF_INP 0x995 /* Tx FIFO IN pointer 8 Read / Write */ #define _TXP_CNT 0x996 /* Tx Priority Count 8 Read / Write */ #define _TXP_PNTR 0x997 /* Tx Priority Pointer 8 Read / Write */ #define PRI_PEND 0x80 /* Priority data pending (bit7, Tx pri cnt) */ #define TXFIFO_SIZE 255 /* size of Tx FIFO */ #define RXFIFO_SIZE 1023 /* size of Rx FIFO */ /************************************************************************ Tx Priority Buffer - Indexed - External - Fixed ************************************************************************/ #define _TXP_BUF 0x9C0 /* Tx Priority Buffer 32 Bytes Read / Write */ #define TXP_SIZE 0x20 /* 32 bytes */ /************************************************************************ Channel Register Offsets - Indexed - Internal - Fixed ************************************************************************/ #define _TX_CTRL 0xFF0 /* Transmit Control 16 Write */ #define _RX_CTRL 0xFF2 /* Receive Control 8 Write */ #define _BAUD 0xFF4 /* Baud Rate 16 Write */ #define _CLK_PRE 0xFF6 /* Clock Prescaler 8 Write */ #define STMBREAK 0x08 /* BREAK */ #define STMFRAME 0x04 /* framing error */ #define STMRCVROVR 0x02 /* receiver over run error */ #define STMPARITY 0x01 /* parity error */ #define STMERROR (STMBREAK | STMFRAME | STMPARITY) #define STMBREAKH 0x800 /* BREAK */ #define STMFRAMEH 0x400 /* framing error */ #define STMRCVROVRH 0x200 /* receiver over run error */ #define STMPARITYH 0x100 /* parity error */ #define STMERRORH (STMBREAKH | STMFRAMEH | STMPARITYH) #define CTS_ACT 0x20 /* CTS input asserted */ #define DSR_ACT 0x10 /* DSR input asserted */ #define CD_ACT 0x08 /* CD input asserted */ #define TXFIFOMT 0x04 /* Tx FIFO is empty */ #define TXSHRMT 0x02 /* Tx shift register is empty */ #define RDA 0x01 /* Rx data available */ #define DRAINED (TXFIFOMT | TXSHRMT) /* indicates Tx is drained */ #define STATMODE 0x8000 /* status mode enable bit */ #define RXFOVERFL 0x2000 /* receive FIFO overflow */ #define RX2MATCH 0x1000 /* receive compare byte 2 match */ #define RX1MATCH 0x0800 /* receive compare byte 1 match */ #define RXBREAK 0x0400 /* received BREAK */ #define RXFRAME 0x0200 /* received framing error */ #define RXPARITY 0x0100 /* received parity error */ #define STATERROR (RXBREAK | RXFRAME | RXPARITY) #define CTSFC_EN 0x80 /* CTS flow control enable bit */ #define RTSTOG_EN 0x40 /* RTS toggle enable bit */ #define TXINT_EN 0x10 /* transmit interrupt enable */ #define STOP2 0x08 /* enable 2 stop bits (0 = 1 stop) */ #define PARITY_EN 0x04 /* enable parity (0 = no parity) */ #define EVEN_PAR 0x02 /* even parity (0 = odd parity) */ #define DATA8BIT 0x01 /* 8 bit data (0 = 7 bit data) */ #define SETBREAK 0x10 /* send break condition (must clear) */ #define LOCALLOOP 0x08 /* local loopback set for test */ #define SET_DTR 0x04 /* assert DTR */ #define SET_RTS 0x02 /* assert RTS */ #define TX_ENABLE 0x01 /* enable transmitter */ #define RTSFC_EN 0x40 /* RTS flow control enable */ #define RXPROC_EN 0x20 /* receive processor enable */ #define TRIG_NO 0x00 /* Rx FIFO trigger level 0 (no trigger) */ #define TRIG_1 0x08 /* trigger level 1 char */ #define TRIG_1_2 0x10 /* trigger level 1/2 */ #define TRIG_7_8 0x18 /* trigger level 7/8 */ #define TRIG_MASK 0x18 /* trigger level mask */ #define SRCINT_EN 0x04 /* special Rx condition interrupt enable */ #define RXINT_EN 0x02 /* Rx interrupt enable */ #define MCINT_EN 0x01 /* modem change interrupt enable */ #define RXF_TRIG 0x20 /* Rx FIFO trigger level interrupt */ #define TXFIFO_MT 0x10 /* Tx FIFO empty interrupt */ #define SRC_INT 0x08 /* special receive condition interrupt */ #define DELTA_CD 0x04 /* CD change interrupt */ #define DELTA_CTS 0x02 /* CTS change interrupt */ #define DELTA_DSR 0x01 /* DSR change interrupt */ #define REP1W2_EN 0x10 /* replace byte 1 with 2 bytes enable */ #define IGN2_EN 0x08 /* ignore byte 2 enable */ #define IGN1_EN 0x04 /* ignore byte 1 enable */ #define COMP2_EN 0x02 /* compare byte 2 enable */ #define COMP1_EN 0x01 /* compare byte 1 enable */ #define RESET_ALL 0x80 /* reset AIOP (all channels) */ #define TXOVERIDE 0x40 /* Transmit software off override */ #define RESETUART 0x20 /* reset channel's UART */ #define RESTXFCNT 0x10 /* reset channel's Tx FIFO count register */ #define RESRXFCNT 0x08 /* reset channel's Rx FIFO count register */ #define INTSTAT0 0x01 /* AIOP 0 interrupt status */ #define INTSTAT1 0x02 /* AIOP 1 interrupt status */ #define INTSTAT2 0x04 /* AIOP 2 interrupt status */ #define INTSTAT3 0x08 /* AIOP 3 interrupt status */ #define INTR_EN 0x08 /* allow interrupts to host */ #define INT_STROB 0x04 /* strobe and clear interrupt line (EOI) */ /************************************************************************** MUDBAC remapped for PCI **************************************************************************/ #define _CFG_INT_PCI 0x40 #define _PCI_INT_FUNC 0x3A #define PCI_STROB 0x2000 /* bit 13 of int aiop register */ #define INTR_EN_PCI 0x0010 /* allow interrupts to host */ /* * Definitions for Universal PCI board registers */ #define _PCI_9030_INT_CTRL 0x4c /* Offsets from BAR1 */ #define _PCI_9030_GPIO_CTRL 0x54 #define PCI_INT_CTRL_AIOP 0x0001 #define PCI_GPIO_CTRL_8PORT 0x4000 #define _PCI_9030_RING_IND 0xc0 /* Offsets from BAR1 */ #define CHAN3_EN 0x08 /* enable AIOP 3 */ #define CHAN2_EN 0x04 /* enable AIOP 2 */ #define CHAN1_EN 0x02 /* enable AIOP 1 */ #define CHAN0_EN 0x01 /* enable AIOP 0 */ #define FREQ_DIS 0x00 #define FREQ_274HZ 0x60 #define FREQ_137HZ 0x50 #define FREQ_69HZ 0x40 #define FREQ_34HZ 0x30 #define FREQ_17HZ 0x20 #define FREQ_9HZ 0x10 #define PERIODIC_ONLY 0x80 /* only PERIODIC interrupt */ #define CHANINT_EN 0x0100 /* flags to enable/disable channel ints */ #define RDATASIZE 72 #define RREGDATASIZE 52 /* * AIOP interrupt bits for ISA/PCI boards and UPCI boards. */ #define AIOP_INTR_BIT_0 0x0001 #define AIOP_INTR_BIT_1 0x0002 #define AIOP_INTR_BIT_2 0x0004 #define AIOP_INTR_BIT_3 0x0008 #define AIOP_INTR_BITS ( \ AIOP_INTR_BIT_0 \ | AIOP_INTR_BIT_1 \ | AIOP_INTR_BIT_2 \ | AIOP_INTR_BIT_3) #define UPCI_AIOP_INTR_BIT_0 0x0004 #define UPCI_AIOP_INTR_BIT_1 0x0020 #define UPCI_AIOP_INTR_BIT_2 0x0100 #define UPCI_AIOP_INTR_BIT_3 0x0800 #define UPCI_AIOP_INTR_BITS ( \ UPCI_AIOP_INTR_BIT_0 \ | UPCI_AIOP_INTR_BIT_1 \ | UPCI_AIOP_INTR_BIT_2 \ | UPCI_AIOP_INTR_BIT_3) /* Controller level information structure */ typedef struct { int CtlID; int CtlNum; int BusType; int boardType; int isUPCI; WordIO_t PCIIO; WordIO_t PCIIO2; ByteIO_t MBaseIO; ByteIO_t MReg1IO; ByteIO_t MReg2IO; ByteIO_t MReg3IO; Byte_t MReg2; Byte_t MReg3; int NumAiop; int AltChanRingIndicator; ByteIO_t UPCIRingInd; WordIO_t AiopIO[AIOP_CTL_SIZE]; ByteIO_t AiopIntChanIO[AIOP_CTL_SIZE]; int AiopID[AIOP_CTL_SIZE]; int AiopNumChan[AIOP_CTL_SIZE]; Word_t *AiopIntrBits; } CONTROLLER_T; typedef CONTROLLER_T CONTROLLER_t; /* Channel level information structure */ typedef struct { CONTROLLER_T *CtlP; int AiopNum; int ChanID; int ChanNum; int rtsToggle; ByteIO_t Cmd; ByteIO_t IntChan; ByteIO_t IntMask; DWordIO_t IndexAddr; WordIO_t IndexData; WordIO_t TxRxData; WordIO_t ChanStat; WordIO_t TxRxCount; ByteIO_t IntID; Word_t TxFIFO; Word_t TxFIFOPtrs; Word_t RxFIFO; Word_t RxFIFOPtrs; Word_t TxPrioCnt; Word_t TxPrioPtr; Word_t TxPrioBuf; Byte_t R[RREGDATASIZE]; Byte_t BaudDiv[4]; Byte_t TxControl[4]; Byte_t RxControl[4]; Byte_t TxEnables[4]; Byte_t TxCompare[4]; Byte_t TxReplace1[4]; Byte_t TxReplace2[4]; } CHANNEL_T; typedef CHANNEL_T CHANNEL_t; typedef CHANNEL_T *CHANPTR_T; #define InterfaceModeRS232 0x00 #define InterfaceModeRS422 0x08 #define InterfaceModeRS485 0x10 #define InterfaceModeRS232T 0x18 /*************************************************************************** Function: sClrBreak Purpose: Stop sending a transmit BREAK signal Call: sClrBreak(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sClrBreak(ChP) \ do { \ (ChP)->TxControl[3] &= ~SETBREAK; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sClrDTR Purpose: Clr the DTR output Call: sClrDTR(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sClrDTR(ChP) \ do { \ (ChP)->TxControl[3] &= ~SET_DTR; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sClrRTS Purpose: Clr the RTS output Call: sClrRTS(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sClrRTS(ChP) \ do { \ if ((ChP)->rtsToggle) break; \ (ChP)->TxControl[3] &= ~SET_RTS; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sClrTxXOFF Purpose: Clear any existing transmit software flow control off condition Call: sClrTxXOFF(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sClrTxXOFF(ChP) \ do { \ sOutB((ChP)->Cmd,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \ sOutB((ChP)->Cmd,(Byte_t)(ChP)->ChanNum); \ } while (0) /*************************************************************************** Function: sCtlNumToCtlPtr Purpose: Convert a controller number to controller structure pointer Call: sCtlNumToCtlPtr(CtlNum) int CtlNum; Controller number Return: CONTROLLER_T *: Ptr to controller structure */ #define sCtlNumToCtlPtr(CTLNUM) &sController[CTLNUM] /*************************************************************************** Function: sControllerEOI Purpose: Strobe the MUDBAC's End Of Interrupt bit. Call: sControllerEOI(CtlP) CONTROLLER_T *CtlP; Ptr to controller structure */ #define sControllerEOI(CTLP) sOutB((CTLP)->MReg2IO,(CTLP)->MReg2 | INT_STROB) /*************************************************************************** Function: sPCIControllerEOI Purpose: Strobe the PCI End Of Interrupt bit. For the UPCI boards, toggle the AIOP interrupt enable bit (this was taken from the Windows driver). Call: sPCIControllerEOI(CtlP) CONTROLLER_T *CtlP; Ptr to controller structure */ #define sPCIControllerEOI(CTLP) \ do { \ if ((CTLP)->isUPCI) { \ Word_t w = sInW((CTLP)->PCIIO); \ sOutW((CTLP)->PCIIO, (w ^ PCI_INT_CTRL_AIOP)); \ sOutW((CTLP)->PCIIO, w); \ } \ else { \ sOutW((CTLP)->PCIIO, PCI_STROB); \ } \ } while (0) /*************************************************************************** Function: sDisAiop Purpose: Disable I/O access to an AIOP Call: sDisAiop(CltP) CONTROLLER_T *CtlP; Ptr to controller structure int AiopNum; Number of AIOP on controller */ #define sDisAiop(CTLP,AIOPNUM) \ do { \ (CTLP)->MReg3 &= sBitMapClrTbl[AIOPNUM]; \ sOutB((CTLP)->MReg3IO,(CTLP)->MReg3); \ } while (0) /*************************************************************************** Function: sDisCTSFlowCtl Purpose: Disable output flow control using CTS Call: sDisCTSFlowCtl(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sDisCTSFlowCtl(ChP) \ do { \ (ChP)->TxControl[2] &= ~CTSFC_EN; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sDisIXANY Purpose: Disable IXANY Software Flow Control Call: sDisIXANY(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sDisIXANY(ChP) \ do { \ (ChP)->R[0x0e] = 0x86; \ out32((ChP)->IndexAddr,&(ChP)->R[0x0c]); \ } while (0) /*************************************************************************** Function: DisParity Purpose: Disable parity Call: sDisParity(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: Function sSetParity() can be used in place of functions sEnParity(), sDisParity(), sSetOddParity(), and sSetEvenParity(). */ #define sDisParity(ChP) \ do { \ (ChP)->TxControl[2] &= ~PARITY_EN; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sDisRTSToggle Purpose: Disable RTS toggle Call: sDisRTSToggle(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sDisRTSToggle(ChP) \ do { \ (ChP)->TxControl[2] &= ~RTSTOG_EN; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ (ChP)->rtsToggle = 0; \ } while (0) /*************************************************************************** Function: sDisRxFIFO Purpose: Disable Rx FIFO Call: sDisRxFIFO(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sDisRxFIFO(ChP) \ do { \ (ChP)->R[0x32] = 0x0a; \ out32((ChP)->IndexAddr,&(ChP)->R[0x30]); \ } while (0) /*************************************************************************** Function: sDisRxStatusMode Purpose: Disable the Rx status mode Call: sDisRxStatusMode(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: This takes the channel out of the receive status mode. All subsequent reads of receive data using sReadRxWord() will return two data bytes. */ #define sDisRxStatusMode(ChP) sOutW((ChP)->ChanStat,0) /*************************************************************************** Function: sDisTransmit Purpose: Disable transmit Call: sDisTransmit(ChP) CHANNEL_T *ChP; Ptr to channel structure This disables movement of Tx data from the Tx FIFO into the 1 byte Tx buffer. Therefore there could be up to a 2 byte latency between the time sDisTransmit() is called and the transmit buffer and transmit shift register going completely empty. */ #define sDisTransmit(ChP) \ do { \ (ChP)->TxControl[3] &= ~TX_ENABLE; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sDisTxSoftFlowCtl Purpose: Disable Tx Software Flow Control Call: sDisTxSoftFlowCtl(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sDisTxSoftFlowCtl(ChP) \ do { \ (ChP)->R[0x06] = 0x8a; \ out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** Function: sEnAiop Purpose: Enable I/O access to an AIOP Call: sEnAiop(CltP) CONTROLLER_T *CtlP; Ptr to controller structure int AiopNum; Number of AIOP on controller */ #define sEnAiop(CTLP,AIOPNUM) \ do { \ (CTLP)->MReg3 |= sBitMapSetTbl[AIOPNUM]; \ sOutB((CTLP)->MReg3IO,(CTLP)->MReg3); \ } while (0) /*************************************************************************** Function: sEnCTSFlowCtl Purpose: Enable output flow control using CTS Call: sEnCTSFlowCtl(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sEnCTSFlowCtl(ChP) \ do { \ (ChP)->TxControl[2] |= CTSFC_EN; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sEnIXANY Purpose: Enable IXANY Software Flow Control Call: sEnIXANY(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sEnIXANY(ChP) \ do { \ (ChP)->R[0x0e] = 0x21; \ out32((ChP)->IndexAddr,&(ChP)->R[0x0c]); \ } while (0) /*************************************************************************** Function: EnParity Purpose: Enable parity Call: sEnParity(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: Function sSetParity() can be used in place of functions sEnParity(), sDisParity(), sSetOddParity(), and sSetEvenParity(). Warnings: Before enabling parity odd or even parity should be chosen using functions sSetOddParity() or sSetEvenParity(). */ #define sEnParity(ChP) \ do { \ (ChP)->TxControl[2] |= PARITY_EN; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sEnRTSToggle Purpose: Enable RTS toggle Call: sEnRTSToggle(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: This function will disable RTS flow control and clear the RTS line to allow operation of RTS toggle. */ #define sEnRTSToggle(ChP) \ do { \ (ChP)->RxControl[2] &= ~RTSFC_EN; \ out32((ChP)->IndexAddr,(ChP)->RxControl); \ (ChP)->TxControl[2] |= RTSTOG_EN; \ (ChP)->TxControl[3] &= ~SET_RTS; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ (ChP)->rtsToggle = 1; \ } while (0) /*************************************************************************** Function: sEnRxFIFO Purpose: Enable Rx FIFO Call: sEnRxFIFO(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sEnRxFIFO(ChP) \ do { \ (ChP)->R[0x32] = 0x08; \ out32((ChP)->IndexAddr,&(ChP)->R[0x30]); \ } while (0) /*************************************************************************** Function: sEnRxProcessor Purpose: Enable the receive processor Call: sEnRxProcessor(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: This function is used to start the receive processor. When the channel is in the reset state the receive processor is not running. This is done to prevent the receive processor from executing invalid microcode instructions prior to the downloading of the microcode. Warnings: This function must be called after valid microcode has been downloaded to the AIOP, and it must not be called before the microcode has been downloaded. */ #define sEnRxProcessor(ChP) \ do { \ (ChP)->RxControl[2] |= RXPROC_EN; \ out32((ChP)->IndexAddr,(ChP)->RxControl); \ } while (0) /*************************************************************************** Function: sEnRxStatusMode Purpose: Enable the Rx status mode Call: sEnRxStatusMode(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: This places the channel in the receive status mode. All subsequent reads of receive data using sReadRxWord() will return a data byte in the low word and a status byte in the high word. */ #define sEnRxStatusMode(ChP) sOutW((ChP)->ChanStat,STATMODE) /*************************************************************************** Function: sEnTransmit Purpose: Enable transmit Call: sEnTransmit(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sEnTransmit(ChP) \ do { \ (ChP)->TxControl[3] |= TX_ENABLE; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sEnTxSoftFlowCtl Purpose: Enable Tx Software Flow Control Call: sEnTxSoftFlowCtl(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sEnTxSoftFlowCtl(ChP) \ do { \ (ChP)->R[0x06] = 0xc5; \ out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** Function: sGetAiopIntStatus Purpose: Get the AIOP interrupt status Call: sGetAiopIntStatus(CtlP,AiopNum) CONTROLLER_T *CtlP; Ptr to controller structure int AiopNum; AIOP number Return: Byte_t: The AIOP interrupt status. Bits 0 through 7 represent channels 0 through 7 respectively. If a bit is set that channel is interrupting. */ #define sGetAiopIntStatus(CTLP,AIOPNUM) sInB((CTLP)->AiopIntChanIO[AIOPNUM]) /*************************************************************************** Function: sGetAiopNumChan Purpose: Get the number of channels supported by an AIOP Call: sGetAiopNumChan(CtlP,AiopNum) CONTROLLER_T *CtlP; Ptr to controller structure int AiopNum; AIOP number Return: int: The number of channels supported by the AIOP */ #define sGetAiopNumChan(CTLP,AIOPNUM) (CTLP)->AiopNumChan[AIOPNUM] /*************************************************************************** Function: sGetChanIntID Purpose: Get a channel's interrupt identification byte Call: sGetChanIntID(ChP) CHANNEL_T *ChP; Ptr to channel structure Return: Byte_t: The channel interrupt ID. Can be any combination of the following flags: RXF_TRIG: Rx FIFO trigger level interrupt TXFIFO_MT: Tx FIFO empty interrupt SRC_INT: Special receive condition interrupt DELTA_CD: CD change interrupt DELTA_CTS: CTS change interrupt DELTA_DSR: DSR change interrupt */ #define sGetChanIntID(ChP) (sInB((ChP)->IntID) & (RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR)) /*************************************************************************** Function: sGetChanNum Purpose: Get the number of a channel within an AIOP Call: sGetChanNum(ChP) CHANNEL_T *ChP; Ptr to channel structure Return: int: Channel number within AIOP, or NULLCHAN if channel does not exist. */ #define sGetChanNum(ChP) (ChP)->ChanNum /*************************************************************************** Function: sGetChanStatus Purpose: Get the channel status Call: sGetChanStatus(ChP) CHANNEL_T *ChP; Ptr to channel structure Return: Word_t: The channel status. Can be any combination of the following flags: LOW BYTE FLAGS CTS_ACT: CTS input asserted DSR_ACT: DSR input asserted CD_ACT: CD input asserted TXFIFOMT: Tx FIFO is empty TXSHRMT: Tx shift register is empty RDA: Rx data available HIGH BYTE FLAGS STATMODE: status mode enable bit RXFOVERFL: receive FIFO overflow RX2MATCH: receive compare byte 2 match RX1MATCH: receive compare byte 1 match RXBREAK: received BREAK RXFRAME: received framing error RXPARITY: received parity error Warnings: This function will clear the high byte flags in the Channel Status Register. */ #define sGetChanStatus(ChP) sInW((ChP)->ChanStat) /*************************************************************************** Function: sGetChanStatusLo Purpose: Get the low byte only of the channel status Call: sGetChanStatusLo(ChP) CHANNEL_T *ChP; Ptr to channel structure Return: Byte_t: The channel status low byte. Can be any combination of the following flags: CTS_ACT: CTS input asserted DSR_ACT: DSR input asserted CD_ACT: CD input asserted TXFIFOMT: Tx FIFO is empty TXSHRMT: Tx shift register is empty RDA: Rx data available */ #define sGetChanStatusLo(ChP) sInB((ByteIO_t)(ChP)->ChanStat) /********************************************************************** * Get RI status of channel * Defined as a function in rocket.c -aes */ #if 0 #define sGetChanRI(ChP) ((ChP)->CtlP->AltChanRingIndicator ? \ (sInB((ByteIO_t)((ChP)->ChanStat+8)) & DSR_ACT) : \ (((ChP)->CtlP->boardType == ROCKET_TYPE_PC104) ? \ (!(sInB((ChP)->CtlP->AiopIO[3]) & sBitMapSetTbl[(ChP)->ChanNum])) : \ 0)) #endif /*************************************************************************** Function: sGetControllerIntStatus Purpose: Get the controller interrupt status Call: sGetControllerIntStatus(CtlP) CONTROLLER_T *CtlP; Ptr to controller structure Return: Byte_t: The controller interrupt status in the lower 4 bits. Bits 0 through 3 represent AIOP's 0 through 3 respectively. If a bit is set that AIOP is interrupting. Bits 4 through 7 will always be cleared. */ #define sGetControllerIntStatus(CTLP) (sInB((CTLP)->MReg1IO) & 0x0f) /*************************************************************************** Function: sPCIGetControllerIntStatus Purpose: Get the controller interrupt status Call: sPCIGetControllerIntStatus(CtlP) CONTROLLER_T *CtlP; Ptr to controller structure Return: unsigned char: The controller interrupt status in the lower 4 bits and bit 4. Bits 0 through 3 represent AIOP's 0 through 3 respectively. Bit 4 is set if the int was generated from periodic. If a bit is set the AIOP is interrupting. */ #define sPCIGetControllerIntStatus(CTLP) \ ((CTLP)->isUPCI ? \ (sInW((CTLP)->PCIIO2) & UPCI_AIOP_INTR_BITS) : \ ((sInW((CTLP)->PCIIO) >> 8) & AIOP_INTR_BITS)) /*************************************************************************** Function: sGetRxCnt Purpose: Get the number of data bytes in the Rx FIFO Call: sGetRxCnt(ChP) CHANNEL_T *ChP; Ptr to channel structure Return: int: The number of data bytes in the Rx FIFO. Comments: Byte read of count register is required to obtain Rx count. */ #define sGetRxCnt(ChP) sInW((ChP)->TxRxCount) /*************************************************************************** Function: sGetTxCnt Purpose: Get the number of data bytes in the Tx FIFO Call: sGetTxCnt(ChP) CHANNEL_T *ChP; Ptr to channel structure Return: Byte_t: The number of data bytes in the Tx FIFO. Comments: Byte read of count register is required to obtain Tx count. */ #define sGetTxCnt(ChP) sInB((ByteIO_t)(ChP)->TxRxCount) /***************************************************************************** Function: sGetTxRxDataIO Purpose: Get the I/O address of a channel's TxRx Data register Call: sGetTxRxDataIO(ChP) CHANNEL_T *ChP; Ptr to channel structure Return: WordIO_t: I/O address of a channel's TxRx Data register */ #define sGetTxRxDataIO(ChP) (ChP)->TxRxData /*************************************************************************** Function: sInitChanDefaults Purpose: Initialize a channel structure to it's default state. Call: sInitChanDefaults(ChP) CHANNEL_T *ChP; Ptr to the channel structure Comments: This function must be called once for every channel structure that exists before any other SSCI calls can be made. */ #define sInitChanDefaults(ChP) \ do { \ (ChP)->CtlP = NULLCTLPTR; \ (ChP)->AiopNum = NULLAIOP; \ (ChP)->ChanID = AIOPID_NULL; \ (ChP)->ChanNum = NULLCHAN; \ } while (0) /*************************************************************************** Function: sResetAiopByNum Purpose: Reset the AIOP by number Call: sResetAiopByNum(CTLP,AIOPNUM) CONTROLLER_T CTLP; Ptr to controller structure AIOPNUM; AIOP index */ #define sResetAiopByNum(CTLP,AIOPNUM) \ do { \ sOutB((CTLP)->AiopIO[(AIOPNUM)]+_CMD_REG,RESET_ALL); \ sOutB((CTLP)->AiopIO[(AIOPNUM)]+_CMD_REG,0x0); \ } while (0) /*************************************************************************** Function: sSendBreak Purpose: Send a transmit BREAK signal Call: sSendBreak(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sSendBreak(ChP) \ do { \ (ChP)->TxControl[3] |= SETBREAK; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetBaud Purpose: Set baud rate Call: sSetBaud(ChP,Divisor) CHANNEL_T *ChP; Ptr to channel structure Word_t Divisor; 16 bit baud rate divisor for channel */ #define sSetBaud(ChP,DIVISOR) \ do { \ (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \ (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \ out32((ChP)->IndexAddr,(ChP)->BaudDiv); \ } while (0) /*************************************************************************** Function: sSetData7 Purpose: Set data bits to 7 Call: sSetData7(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sSetData7(ChP) \ do { \ (ChP)->TxControl[2] &= ~DATA8BIT; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetData8 Purpose: Set data bits to 8 Call: sSetData8(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sSetData8(ChP) \ do { \ (ChP)->TxControl[2] |= DATA8BIT; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetDTR Purpose: Set the DTR output Call: sSetDTR(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sSetDTR(ChP) \ do { \ (ChP)->TxControl[3] |= SET_DTR; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetEvenParity Purpose: Set even parity Call: sSetEvenParity(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: Function sSetParity() can be used in place of functions sEnParity(), sDisParity(), sSetOddParity(), and sSetEvenParity(). Warnings: This function has no effect unless parity is enabled with function sEnParity(). */ #define sSetEvenParity(ChP) \ do { \ (ChP)->TxControl[2] |= EVEN_PAR; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetOddParity Purpose: Set odd parity Call: sSetOddParity(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: Function sSetParity() can be used in place of functions sEnParity(), sDisParity(), sSetOddParity(), and sSetEvenParity(). Warnings: This function has no effect unless parity is enabled with function sEnParity(). */ #define sSetOddParity(ChP) \ do { \ (ChP)->TxControl[2] &= ~EVEN_PAR; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetRTS Purpose: Set the RTS output Call: sSetRTS(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sSetRTS(ChP) \ do { \ if ((ChP)->rtsToggle) break; \ (ChP)->TxControl[3] |= SET_RTS; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetRxTrigger Purpose: Set the Rx FIFO trigger level Call: sSetRxProcessor(ChP,Level) CHANNEL_T *ChP; Ptr to channel structure Byte_t Level; Number of characters in Rx FIFO at which the interrupt will be generated. Can be any of the following flags: TRIG_NO: no trigger TRIG_1: 1 character in FIFO TRIG_1_2: FIFO 1/2 full TRIG_7_8: FIFO 7/8 full Comments: An interrupt will be generated when the trigger level is reached only if function sEnInterrupt() has been called with flag RXINT_EN set. The RXF_TRIG flag in the Interrupt Idenfification register will be set whenever the trigger level is reached regardless of the setting of RXINT_EN. */ #define sSetRxTrigger(ChP,LEVEL) \ do { \ (ChP)->RxControl[2] &= ~TRIG_MASK; \ (ChP)->RxControl[2] |= LEVEL; \ out32((ChP)->IndexAddr,(ChP)->RxControl); \ } while (0) /*************************************************************************** Function: sSetStop1 Purpose: Set stop bits to 1 Call: sSetStop1(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sSetStop1(ChP) \ do { \ (ChP)->TxControl[2] &= ~STOP2; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetStop2 Purpose: Set stop bits to 2 Call: sSetStop2(ChP) CHANNEL_T *ChP; Ptr to channel structure */ #define sSetStop2(ChP) \ do { \ (ChP)->TxControl[2] |= STOP2; \ out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** Function: sSetTxXOFFChar Purpose: Set the Tx XOFF flow control character Call: sSetTxXOFFChar(ChP,Ch) CHANNEL_T *ChP; Ptr to channel structure Byte_t Ch; The value to set the Tx XOFF character to */ #define sSetTxXOFFChar(ChP,CH) \ do { \ (ChP)->R[0x07] = (CH); \ out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** Function: sSetTxXONChar Purpose: Set the Tx XON flow control character Call: sSetTxXONChar(ChP,Ch) CHANNEL_T *ChP; Ptr to channel structure Byte_t Ch; The value to set the Tx XON character to */ #define sSetTxXONChar(ChP,CH) \ do { \ (ChP)->R[0x0b] = (CH); \ out32((ChP)->IndexAddr,&(ChP)->R[0x08]); \ } while (0) /*************************************************************************** Function: sStartRxProcessor Purpose: Start a channel's receive processor Call: sStartRxProcessor(ChP) CHANNEL_T *ChP; Ptr to channel structure Comments: This function is used to start a Rx processor after it was stopped with sStopRxProcessor() or sStopSWInFlowCtl(). It will restart both the Rx processor and software input flow control. */ #define sStartRxProcessor(ChP) out32((ChP)->IndexAddr,&(ChP)->R[0]) /*************************************************************************** Function: sWriteTxByte Purpose: Write a transmit data byte to a channel. ByteIO_t io: Channel transmit register I/O address. This can be obtained with sGetTxRxDataIO(). Byte_t Data; The transmit data byte. Warnings: This function writes the data byte without checking to see if sMaxTxSize is exceeded in the Tx FIFO. */ #define sWriteTxByte(IO,DATA) sOutB(IO,DATA) /* * Begin Linux specific definitions for the Rocketport driver * * This code is Copyright Theodore Ts'o, 1995-1997 */ struct r_port { int magic; struct tty_port port; int line; int flags; /* Don't yet match the ASY_ flags!! */ unsigned int board:3; unsigned int aiop:2; unsigned int chan:3; CONTROLLER_t *ctlp; CHANNEL_t channel; int intmask; int xmit_fifo_room; /* room in xmit fifo */ unsigned char *xmit_buf; int xmit_head; int xmit_tail; int xmit_cnt; int cd_status; int ignore_status_mask; int read_status_mask; int cps; struct completion close_wait; /* Not yet matching the core */ spinlock_t slock; struct mutex write_mtx; }; #define RPORT_MAGIC 0x525001 #define NUM_BOARDS 8 #define MAX_RP_PORTS (32*NUM_BOARDS) /* * The size of the xmit buffer is 1 page, or 4096 bytes */ #define XMIT_BUF_SIZE 4096 /* number of characters left in xmit buffer before we ask for more */ #define WAKEUP_CHARS 256 /* * Assigned major numbers for the Comtrol Rocketport */ #define TTY_ROCKET_MAJOR 46 #define CUA_ROCKET_MAJOR 47 #ifdef PCI_VENDOR_ID_RP #undef PCI_VENDOR_ID_RP #undef PCI_DEVICE_ID_RP8OCTA #undef PCI_DEVICE_ID_RP8INTF #undef PCI_DEVICE_ID_RP16INTF #undef PCI_DEVICE_ID_RP32INTF #undef PCI_DEVICE_ID_URP8OCTA #undef PCI_DEVICE_ID_URP8INTF #undef PCI_DEVICE_ID_URP16INTF #undef PCI_DEVICE_ID_CRP16INTF #undef PCI_DEVICE_ID_URP32INTF #endif /* Comtrol PCI Vendor ID */ #define PCI_VENDOR_ID_RP 0x11fe /* Comtrol Device ID's */ #define PCI_DEVICE_ID_RP32INTF 0x0001 /* Rocketport 32 port w/external I/F */ #define PCI_DEVICE_ID_RP8INTF 0x0002 /* Rocketport 8 port w/external I/F */ #define PCI_DEVICE_ID_RP16INTF 0x0003 /* Rocketport 16 port w/external I/F */ #define PCI_DEVICE_ID_RP4QUAD 0x0004 /* Rocketport 4 port w/quad cable */ #define PCI_DEVICE_ID_RP8OCTA 0x0005 /* Rocketport 8 port w/octa cable */ #define PCI_DEVICE_ID_RP8J 0x0006 /* Rocketport 8 port w/RJ11 connectors */ #define PCI_DEVICE_ID_RP4J 0x0007 /* Rocketport 4 port w/RJ11 connectors */ #define PCI_DEVICE_ID_RP8SNI 0x0008 /* Rocketport 8 port w/ DB78 SNI (Siemens) connector */ #define PCI_DEVICE_ID_RP16SNI 0x0009 /* Rocketport 16 port w/ DB78 SNI (Siemens) connector */ #define PCI_DEVICE_ID_RPP4 0x000A /* Rocketport Plus 4 port */ #define PCI_DEVICE_ID_RPP8 0x000B /* Rocketport Plus 8 port */ #define PCI_DEVICE_ID_RP6M 0x000C /* RocketModem 6 port */ #define PCI_DEVICE_ID_RP4M 0x000D /* RocketModem 4 port */ #define PCI_DEVICE_ID_RP2_232 0x000E /* Rocketport Plus 2 port RS232 */ #define PCI_DEVICE_ID_RP2_422 0x000F /* Rocketport Plus 2 port RS422 */ /* Universal PCI boards */ #define PCI_DEVICE_ID_URP32INTF 0x0801 /* Rocketport UPCI 32 port w/external I/F */ #define PCI_DEVICE_ID_URP8INTF 0x0802 /* Rocketport UPCI 8 port w/external I/F */ #define PCI_DEVICE_ID_URP16INTF 0x0803 /* Rocketport UPCI 16 port w/external I/F */ #define PCI_DEVICE_ID_URP8OCTA 0x0805 /* Rocketport UPCI 8 port w/octa cable */ #define PCI_DEVICE_ID_UPCI_RM3_8PORT 0x080C /* Rocketmodem III 8 port */ #define PCI_DEVICE_ID_UPCI_RM3_4PORT 0x080D /* Rocketmodem III 4 port */ /* Compact PCI device */ #define PCI_DEVICE_ID_CRP16INTF 0x0903 /* Rocketport Compact PCI 16 port w/external I/F */ |