| /* |
| * 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; |
| |
| 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 */ |
| |
