1215 lines
42 KiB
C
1215 lines
42 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* rocket_int.h --- internal header file for rocket.c
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*
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* Written by Theodore Ts'o, Copyright 1997.
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* Copyright 1997 Comtrol Corporation.
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*
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*/
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/*
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* Definition of the types in rcktpt_type
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*/
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#define ROCKET_TYPE_NORMAL 0
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#define ROCKET_TYPE_MODEM 1
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#define ROCKET_TYPE_MODEMII 2
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#define ROCKET_TYPE_MODEMIII 3
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#define ROCKET_TYPE_PC104 4
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#include <linux/mutex.h>
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#include <asm/io.h>
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#include <asm/byteorder.h>
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typedef unsigned char Byte_t;
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typedef unsigned int ByteIO_t;
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typedef unsigned int Word_t;
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typedef unsigned int WordIO_t;
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typedef unsigned int DWordIO_t;
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/*
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* Note! Normally the Linux I/O macros already take care of
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* byte-swapping the I/O instructions. However, all accesses using
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* sOutDW aren't really 32-bit accesses, but should be handled in byte
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* order. Hence the use of the cpu_to_le32() macro to byte-swap
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* things to no-op the byte swapping done by the big-endian outl()
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* instruction.
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*/
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static inline void sOutB(unsigned short port, unsigned char value)
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{
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#ifdef ROCKET_DEBUG_IO
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printk(KERN_DEBUG "sOutB(%x, %x)...\n", port, value);
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#endif
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outb_p(value, port);
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}
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static inline void sOutW(unsigned short port, unsigned short value)
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{
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#ifdef ROCKET_DEBUG_IO
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printk(KERN_DEBUG "sOutW(%x, %x)...\n", port, value);
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#endif
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outw_p(value, port);
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}
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static inline void out32(unsigned short port, Byte_t *p)
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{
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u32 value = get_unaligned_le32(p);
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#ifdef ROCKET_DEBUG_IO
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printk(KERN_DEBUG "out32(%x, %lx)...\n", port, value);
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#endif
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outl_p(value, port);
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}
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static inline unsigned char sInB(unsigned short port)
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{
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return inb_p(port);
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}
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static inline unsigned short sInW(unsigned short port)
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{
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return inw_p(port);
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}
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/* This is used to move arrays of bytes so byte swapping isn't appropriate. */
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#define sOutStrW(port, addr, count) if (count) outsw(port, addr, count)
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#define sInStrW(port, addr, count) if (count) insw(port, addr, count)
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#define CTL_SIZE 8
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#define AIOP_CTL_SIZE 4
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#define CHAN_AIOP_SIZE 8
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#define MAX_PORTS_PER_AIOP 8
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#define MAX_AIOPS_PER_BOARD 4
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#define MAX_PORTS_PER_BOARD 32
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/* Bus type ID */
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#define isISA 0
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#define isPCI 1
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#define isMC 2
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/* Controller ID numbers */
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#define CTLID_NULL -1 /* no controller exists */
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#define CTLID_0001 0x0001 /* controller release 1 */
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/* AIOP ID numbers, identifies AIOP type implementing channel */
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#define AIOPID_NULL -1 /* no AIOP or channel exists */
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#define AIOPID_0001 0x0001 /* AIOP release 1 */
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/************************************************************************
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Global Register Offsets - Direct Access - Fixed values
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************************************************************************/
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#define _CMD_REG 0x38 /* Command Register 8 Write */
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#define _INT_CHAN 0x39 /* Interrupt Channel Register 8 Read */
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#define _INT_MASK 0x3A /* Interrupt Mask Register 8 Read / Write */
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#define _UNUSED 0x3B /* Unused 8 */
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#define _INDX_ADDR 0x3C /* Index Register Address 16 Write */
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#define _INDX_DATA 0x3E /* Index Register Data 8/16 Read / Write */
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/************************************************************************
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Channel Register Offsets for 1st channel in AIOP - Direct Access
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************************************************************************/
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#define _TD0 0x00 /* Transmit Data 16 Write */
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#define _RD0 0x00 /* Receive Data 16 Read */
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#define _CHN_STAT0 0x20 /* Channel Status 8/16 Read / Write */
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#define _FIFO_CNT0 0x10 /* Transmit/Receive FIFO Count 16 Read */
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#define _INT_ID0 0x30 /* Interrupt Identification 8 Read */
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/************************************************************************
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Tx Control Register Offsets - Indexed - External - Fixed
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************************************************************************/
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#define _TX_ENBLS 0x980 /* Tx Processor Enables Register 8 Read / Write */
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#define _TXCMP1 0x988 /* Transmit Compare Value #1 8 Read / Write */
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#define _TXCMP2 0x989 /* Transmit Compare Value #2 8 Read / Write */
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#define _TXREP1B1 0x98A /* Tx Replace Value #1 - Byte 1 8 Read / Write */
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#define _TXREP1B2 0x98B /* Tx Replace Value #1 - Byte 2 8 Read / Write */
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#define _TXREP2 0x98C /* Transmit Replace Value #2 8 Read / Write */
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/************************************************************************
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Memory Controller Register Offsets - Indexed - External - Fixed
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************************************************************************/
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#define _RX_FIFO 0x000 /* Rx FIFO */
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#define _TX_FIFO 0x800 /* Tx FIFO */
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#define _RXF_OUTP 0x990 /* Rx FIFO OUT pointer 16 Read / Write */
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#define _RXF_INP 0x992 /* Rx FIFO IN pointer 16 Read / Write */
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#define _TXF_OUTP 0x994 /* Tx FIFO OUT pointer 8 Read / Write */
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#define _TXF_INP 0x995 /* Tx FIFO IN pointer 8 Read / Write */
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#define _TXP_CNT 0x996 /* Tx Priority Count 8 Read / Write */
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#define _TXP_PNTR 0x997 /* Tx Priority Pointer 8 Read / Write */
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#define PRI_PEND 0x80 /* Priority data pending (bit7, Tx pri cnt) */
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#define TXFIFO_SIZE 255 /* size of Tx FIFO */
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#define RXFIFO_SIZE 1023 /* size of Rx FIFO */
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/************************************************************************
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Tx Priority Buffer - Indexed - External - Fixed
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************************************************************************/
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#define _TXP_BUF 0x9C0 /* Tx Priority Buffer 32 Bytes Read / Write */
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#define TXP_SIZE 0x20 /* 32 bytes */
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/************************************************************************
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Channel Register Offsets - Indexed - Internal - Fixed
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************************************************************************/
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#define _TX_CTRL 0xFF0 /* Transmit Control 16 Write */
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#define _RX_CTRL 0xFF2 /* Receive Control 8 Write */
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#define _BAUD 0xFF4 /* Baud Rate 16 Write */
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#define _CLK_PRE 0xFF6 /* Clock Prescaler 8 Write */
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#define STMBREAK 0x08 /* BREAK */
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#define STMFRAME 0x04 /* framing error */
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#define STMRCVROVR 0x02 /* receiver over run error */
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#define STMPARITY 0x01 /* parity error */
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#define STMERROR (STMBREAK | STMFRAME | STMPARITY)
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#define STMBREAKH 0x800 /* BREAK */
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#define STMFRAMEH 0x400 /* framing error */
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#define STMRCVROVRH 0x200 /* receiver over run error */
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#define STMPARITYH 0x100 /* parity error */
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#define STMERRORH (STMBREAKH | STMFRAMEH | STMPARITYH)
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#define CTS_ACT 0x20 /* CTS input asserted */
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#define DSR_ACT 0x10 /* DSR input asserted */
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#define CD_ACT 0x08 /* CD input asserted */
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#define TXFIFOMT 0x04 /* Tx FIFO is empty */
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#define TXSHRMT 0x02 /* Tx shift register is empty */
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#define RDA 0x01 /* Rx data available */
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#define DRAINED (TXFIFOMT | TXSHRMT) /* indicates Tx is drained */
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#define STATMODE 0x8000 /* status mode enable bit */
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#define RXFOVERFL 0x2000 /* receive FIFO overflow */
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#define RX2MATCH 0x1000 /* receive compare byte 2 match */
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#define RX1MATCH 0x0800 /* receive compare byte 1 match */
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#define RXBREAK 0x0400 /* received BREAK */
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#define RXFRAME 0x0200 /* received framing error */
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#define RXPARITY 0x0100 /* received parity error */
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#define STATERROR (RXBREAK | RXFRAME | RXPARITY)
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#define CTSFC_EN 0x80 /* CTS flow control enable bit */
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#define RTSTOG_EN 0x40 /* RTS toggle enable bit */
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#define TXINT_EN 0x10 /* transmit interrupt enable */
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#define STOP2 0x08 /* enable 2 stop bits (0 = 1 stop) */
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#define PARITY_EN 0x04 /* enable parity (0 = no parity) */
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#define EVEN_PAR 0x02 /* even parity (0 = odd parity) */
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#define DATA8BIT 0x01 /* 8 bit data (0 = 7 bit data) */
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#define SETBREAK 0x10 /* send break condition (must clear) */
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#define LOCALLOOP 0x08 /* local loopback set for test */
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#define SET_DTR 0x04 /* assert DTR */
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#define SET_RTS 0x02 /* assert RTS */
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#define TX_ENABLE 0x01 /* enable transmitter */
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#define RTSFC_EN 0x40 /* RTS flow control enable */
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#define RXPROC_EN 0x20 /* receive processor enable */
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#define TRIG_NO 0x00 /* Rx FIFO trigger level 0 (no trigger) */
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#define TRIG_1 0x08 /* trigger level 1 char */
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#define TRIG_1_2 0x10 /* trigger level 1/2 */
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#define TRIG_7_8 0x18 /* trigger level 7/8 */
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#define TRIG_MASK 0x18 /* trigger level mask */
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#define SRCINT_EN 0x04 /* special Rx condition interrupt enable */
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#define RXINT_EN 0x02 /* Rx interrupt enable */
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#define MCINT_EN 0x01 /* modem change interrupt enable */
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#define RXF_TRIG 0x20 /* Rx FIFO trigger level interrupt */
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#define TXFIFO_MT 0x10 /* Tx FIFO empty interrupt */
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#define SRC_INT 0x08 /* special receive condition interrupt */
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#define DELTA_CD 0x04 /* CD change interrupt */
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#define DELTA_CTS 0x02 /* CTS change interrupt */
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#define DELTA_DSR 0x01 /* DSR change interrupt */
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#define REP1W2_EN 0x10 /* replace byte 1 with 2 bytes enable */
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#define IGN2_EN 0x08 /* ignore byte 2 enable */
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#define IGN1_EN 0x04 /* ignore byte 1 enable */
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#define COMP2_EN 0x02 /* compare byte 2 enable */
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#define COMP1_EN 0x01 /* compare byte 1 enable */
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#define RESET_ALL 0x80 /* reset AIOP (all channels) */
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#define TXOVERIDE 0x40 /* Transmit software off override */
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#define RESETUART 0x20 /* reset channel's UART */
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#define RESTXFCNT 0x10 /* reset channel's Tx FIFO count register */
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#define RESRXFCNT 0x08 /* reset channel's Rx FIFO count register */
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#define INTSTAT0 0x01 /* AIOP 0 interrupt status */
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#define INTSTAT1 0x02 /* AIOP 1 interrupt status */
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#define INTSTAT2 0x04 /* AIOP 2 interrupt status */
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#define INTSTAT3 0x08 /* AIOP 3 interrupt status */
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#define INTR_EN 0x08 /* allow interrupts to host */
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#define INT_STROB 0x04 /* strobe and clear interrupt line (EOI) */
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/**************************************************************************
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MUDBAC remapped for PCI
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**************************************************************************/
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#define _CFG_INT_PCI 0x40
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#define _PCI_INT_FUNC 0x3A
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#define PCI_STROB 0x2000 /* bit 13 of int aiop register */
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#define INTR_EN_PCI 0x0010 /* allow interrupts to host */
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/*
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* Definitions for Universal PCI board registers
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*/
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#define _PCI_9030_INT_CTRL 0x4c /* Offsets from BAR1 */
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#define _PCI_9030_GPIO_CTRL 0x54
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#define PCI_INT_CTRL_AIOP 0x0001
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#define PCI_GPIO_CTRL_8PORT 0x4000
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#define _PCI_9030_RING_IND 0xc0 /* Offsets from BAR1 */
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#define CHAN3_EN 0x08 /* enable AIOP 3 */
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#define CHAN2_EN 0x04 /* enable AIOP 2 */
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#define CHAN1_EN 0x02 /* enable AIOP 1 */
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#define CHAN0_EN 0x01 /* enable AIOP 0 */
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#define FREQ_DIS 0x00
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#define FREQ_274HZ 0x60
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#define FREQ_137HZ 0x50
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#define FREQ_69HZ 0x40
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#define FREQ_34HZ 0x30
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#define FREQ_17HZ 0x20
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#define FREQ_9HZ 0x10
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#define PERIODIC_ONLY 0x80 /* only PERIODIC interrupt */
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#define CHANINT_EN 0x0100 /* flags to enable/disable channel ints */
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#define RDATASIZE 72
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#define RREGDATASIZE 52
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/*
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* AIOP interrupt bits for ISA/PCI boards and UPCI boards.
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*/
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#define AIOP_INTR_BIT_0 0x0001
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#define AIOP_INTR_BIT_1 0x0002
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#define AIOP_INTR_BIT_2 0x0004
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#define AIOP_INTR_BIT_3 0x0008
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#define AIOP_INTR_BITS ( \
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AIOP_INTR_BIT_0 \
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| AIOP_INTR_BIT_1 \
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| AIOP_INTR_BIT_2 \
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| AIOP_INTR_BIT_3)
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#define UPCI_AIOP_INTR_BIT_0 0x0004
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#define UPCI_AIOP_INTR_BIT_1 0x0020
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#define UPCI_AIOP_INTR_BIT_2 0x0100
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#define UPCI_AIOP_INTR_BIT_3 0x0800
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#define UPCI_AIOP_INTR_BITS ( \
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UPCI_AIOP_INTR_BIT_0 \
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| UPCI_AIOP_INTR_BIT_1 \
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| UPCI_AIOP_INTR_BIT_2 \
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| UPCI_AIOP_INTR_BIT_3)
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/* Controller level information structure */
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typedef struct {
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int CtlID;
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int CtlNum;
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int BusType;
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int boardType;
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int isUPCI;
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WordIO_t PCIIO;
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WordIO_t PCIIO2;
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ByteIO_t MBaseIO;
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ByteIO_t MReg1IO;
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ByteIO_t MReg2IO;
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ByteIO_t MReg3IO;
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Byte_t MReg2;
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Byte_t MReg3;
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int NumAiop;
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int AltChanRingIndicator;
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ByteIO_t UPCIRingInd;
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WordIO_t AiopIO[AIOP_CTL_SIZE];
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ByteIO_t AiopIntChanIO[AIOP_CTL_SIZE];
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int AiopID[AIOP_CTL_SIZE];
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int AiopNumChan[AIOP_CTL_SIZE];
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Word_t *AiopIntrBits;
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} CONTROLLER_T;
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typedef CONTROLLER_T CONTROLLER_t;
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/* Channel level information structure */
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typedef struct {
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CONTROLLER_T *CtlP;
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int AiopNum;
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int ChanID;
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int ChanNum;
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int rtsToggle;
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ByteIO_t Cmd;
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ByteIO_t IntChan;
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ByteIO_t IntMask;
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DWordIO_t IndexAddr;
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WordIO_t IndexData;
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WordIO_t TxRxData;
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WordIO_t ChanStat;
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WordIO_t TxRxCount;
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ByteIO_t IntID;
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Word_t TxFIFO;
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Word_t TxFIFOPtrs;
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Word_t RxFIFO;
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Word_t RxFIFOPtrs;
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Word_t TxPrioCnt;
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Word_t TxPrioPtr;
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Word_t TxPrioBuf;
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Byte_t R[RREGDATASIZE];
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Byte_t BaudDiv[4];
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Byte_t TxControl[4];
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Byte_t RxControl[4];
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Byte_t TxEnables[4];
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Byte_t TxCompare[4];
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Byte_t TxReplace1[4];
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Byte_t TxReplace2[4];
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} CHANNEL_T;
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typedef CHANNEL_T CHANNEL_t;
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typedef CHANNEL_T *CHANPTR_T;
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#define InterfaceModeRS232 0x00
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#define InterfaceModeRS422 0x08
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#define InterfaceModeRS485 0x10
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#define InterfaceModeRS232T 0x18
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/***************************************************************************
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Function: sClrBreak
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Purpose: Stop sending a transmit BREAK signal
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Call: sClrBreak(ChP)
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CHANNEL_T *ChP; Ptr to channel structure
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*/
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#define sClrBreak(ChP) \
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do { \
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(ChP)->TxControl[3] &= ~SETBREAK; \
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out32((ChP)->IndexAddr,(ChP)->TxControl); \
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} while (0)
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/***************************************************************************
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Function: sClrDTR
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Purpose: Clr the DTR output
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Call: sClrDTR(ChP)
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CHANNEL_T *ChP; Ptr to channel structure
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*/
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#define sClrDTR(ChP) \
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do { \
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(ChP)->TxControl[3] &= ~SET_DTR; \
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out32((ChP)->IndexAddr,(ChP)->TxControl); \
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} while (0)
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/***************************************************************************
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Function: sClrRTS
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Purpose: Clr the RTS output
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Call: sClrRTS(ChP)
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CHANNEL_T *ChP; Ptr to channel structure
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*/
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#define sClrRTS(ChP) \
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do { \
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if ((ChP)->rtsToggle) break; \
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(ChP)->TxControl[3] &= ~SET_RTS; \
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out32((ChP)->IndexAddr,(ChP)->TxControl); \
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} while (0)
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/***************************************************************************
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Function: sClrTxXOFF
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Purpose: Clear any existing transmit software flow control off condition
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Call: sClrTxXOFF(ChP)
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CHANNEL_T *ChP; Ptr to channel structure
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*/
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#define sClrTxXOFF(ChP) \
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do { \
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sOutB((ChP)->Cmd,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \
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sOutB((ChP)->Cmd,(Byte_t)(ChP)->ChanNum); \
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} while (0)
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/***************************************************************************
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Function: sCtlNumToCtlPtr
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Purpose: Convert a controller number to controller structure pointer
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Call: sCtlNumToCtlPtr(CtlNum)
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int CtlNum; Controller number
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Return: CONTROLLER_T *: Ptr to controller structure
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*/
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#define sCtlNumToCtlPtr(CTLNUM) &sController[CTLNUM]
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/***************************************************************************
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Function: sControllerEOI
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Purpose: Strobe the MUDBAC's End Of Interrupt bit.
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Call: sControllerEOI(CtlP)
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CONTROLLER_T *CtlP; Ptr to controller structure
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*/
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#define sControllerEOI(CTLP) sOutB((CTLP)->MReg2IO,(CTLP)->MReg2 | INT_STROB)
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/***************************************************************************
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Function: sPCIControllerEOI
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Purpose: Strobe the PCI End Of Interrupt bit.
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For the UPCI boards, toggle the AIOP interrupt enable bit
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(this was taken from the Windows driver).
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Call: sPCIControllerEOI(CtlP)
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CONTROLLER_T *CtlP; Ptr to controller structure
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*/
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#define sPCIControllerEOI(CTLP) \
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do { \
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if ((CTLP)->isUPCI) { \
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Word_t w = sInW((CTLP)->PCIIO); \
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sOutW((CTLP)->PCIIO, (w ^ PCI_INT_CTRL_AIOP)); \
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sOutW((CTLP)->PCIIO, w); \
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} \
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else { \
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sOutW((CTLP)->PCIIO, PCI_STROB); \
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} \
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} while (0)
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/***************************************************************************
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Function: sDisAiop
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Purpose: Disable I/O access to an AIOP
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Call: sDisAiop(CltP)
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CONTROLLER_T *CtlP; Ptr to controller structure
|
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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)
|
|
|
|
/***************************************************************************
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|
Function: sSetData8
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|
Purpose: Set data bits to 8
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|
Call: sSetData8(ChP)
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|
CHANNEL_T *ChP; Ptr to channel structure
|
|
*/
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|
#define sSetData8(ChP) \
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|
do { \
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|
(ChP)->TxControl[2] |= DATA8BIT; \
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|
out32((ChP)->IndexAddr,(ChP)->TxControl); \
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|
} while (0)
|
|
|
|
/***************************************************************************
|
|
Function: sSetDTR
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|
Purpose: Set the DTR output
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|
Call: sSetDTR(ChP)
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|
CHANNEL_T *ChP; Ptr to channel structure
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|
*/
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|
#define sSetDTR(ChP) \
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|
do { \
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|
(ChP)->TxControl[3] |= SET_DTR; \
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|
out32((ChP)->IndexAddr,(ChP)->TxControl); \
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|
} while (0)
|
|
|
|
/***************************************************************************
|
|
Function: sSetEvenParity
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|
Purpose: Set even parity
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|
Call: sSetEvenParity(ChP)
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|
CHANNEL_T *ChP; Ptr to channel structure
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|
Comments: Function sSetParity() can be used in place of functions sEnParity(),
|
|
sDisParity(), sSetOddParity(), and sSetEvenParity().
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|
|
|
Warnings: This function has no effect unless parity is enabled with function
|
|
sEnParity().
|
|
*/
|
|
#define sSetEvenParity(ChP) \
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|
do { \
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|
(ChP)->TxControl[2] |= EVEN_PAR; \
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|
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 */
|
|
|