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174 lines
4.5 KiB
174 lines
4.5 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* $Id: scc.h,v 1.29 1997/04/02 14:56:45 jreuter Exp jreuter $ */ |
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#ifndef _UAPI_SCC_H |
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#define _UAPI_SCC_H |
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#include <linux/sockios.h> |
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/* selection of hardware types */ |
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#define PA0HZP 0x00 /* hardware type for PA0HZP SCC card and compatible */ |
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#define EAGLE 0x01 /* hardware type for EAGLE card */ |
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#define PC100 0x02 /* hardware type for PC100 card */ |
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#define PRIMUS 0x04 /* hardware type for PRIMUS-PC (DG9BL) card */ |
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#define DRSI 0x08 /* hardware type for DRSI PC*Packet card */ |
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#define BAYCOM 0x10 /* hardware type for BayCom (U)SCC */ |
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/* DEV ioctl() commands */ |
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enum SCC_ioctl_cmds { |
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SIOCSCCRESERVED = SIOCDEVPRIVATE, |
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SIOCSCCCFG, |
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SIOCSCCINI, |
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SIOCSCCCHANINI, |
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SIOCSCCSMEM, |
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SIOCSCCGKISS, |
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SIOCSCCSKISS, |
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SIOCSCCGSTAT, |
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SIOCSCCCAL |
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}; |
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/* Device parameter control (from WAMPES) */ |
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enum L1_params { |
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PARAM_DATA, |
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PARAM_TXDELAY, |
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PARAM_PERSIST, |
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PARAM_SLOTTIME, |
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PARAM_TXTAIL, |
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PARAM_FULLDUP, |
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PARAM_SOFTDCD, /* was: PARAM_HW */ |
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PARAM_MUTE, /* ??? */ |
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PARAM_DTR, |
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PARAM_RTS, |
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PARAM_SPEED, |
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PARAM_ENDDELAY, /* ??? */ |
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PARAM_GROUP, |
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PARAM_IDLE, |
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PARAM_MIN, |
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PARAM_MAXKEY, |
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PARAM_WAIT, |
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PARAM_MAXDEFER, |
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PARAM_TX, |
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PARAM_HWEVENT = 31, |
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PARAM_RETURN = 255 /* reset kiss mode */ |
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}; |
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/* fulldup parameter */ |
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enum FULLDUP_modes { |
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KISS_DUPLEX_HALF, /* normal CSMA operation */ |
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KISS_DUPLEX_FULL, /* fullduplex, key down trx after transmission */ |
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KISS_DUPLEX_LINK, /* fullduplex, key down trx after 'idletime' sec */ |
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KISS_DUPLEX_OPTIMA /* fullduplex, let the protocol layer control the hw */ |
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}; |
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/* misc. parameters */ |
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#define TIMER_OFF 65535U /* to switch off timers */ |
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#define NO_SUCH_PARAM 65534U /* param not implemented */ |
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/* HWEVENT parameter */ |
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enum HWEVENT_opts { |
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HWEV_DCD_ON, |
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HWEV_DCD_OFF, |
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HWEV_ALL_SENT |
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}; |
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/* channel grouping */ |
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#define RXGROUP 0100 /* if set, only tx when all channels clear */ |
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#define TXGROUP 0200 /* if set, don't transmit simultaneously */ |
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/* Tx/Rx clock sources */ |
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enum CLOCK_sources { |
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CLK_DPLL, /* normal halfduplex operation */ |
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CLK_EXTERNAL, /* external clocking (G3RUH/DF9IC modems) */ |
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CLK_DIVIDER, /* Rx = DPLL, Tx = divider (fullduplex with */ |
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/* modems without clock regeneration */ |
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CLK_BRG /* experimental fullduplex mode with DPLL/BRG for */ |
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/* MODEMs without clock recovery */ |
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}; |
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/* Tx state */ |
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enum TX_state { |
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TXS_IDLE, /* Transmitter off, no data pending */ |
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TXS_BUSY, /* waiting for permission to send / tailtime */ |
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TXS_ACTIVE, /* Transmitter on, sending data */ |
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TXS_NEWFRAME, /* reset CRC and send (next) frame */ |
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TXS_IDLE2, /* Transmitter on, no data pending */ |
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TXS_WAIT, /* Waiting for Mintime to expire */ |
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TXS_TIMEOUT /* We had a transmission timeout */ |
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}; |
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typedef unsigned long io_port; /* type definition for an 'io port address' */ |
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/* SCC statistical information */ |
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struct scc_stat { |
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long rxints; /* Receiver interrupts */ |
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long txints; /* Transmitter interrupts */ |
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long exints; /* External/status interrupts */ |
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long spints; /* Special receiver interrupts */ |
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long txframes; /* Packets sent */ |
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long rxframes; /* Number of Frames Actually Received */ |
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long rxerrs; /* CRC Errors */ |
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long txerrs; /* KISS errors */ |
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unsigned int nospace; /* "Out of buffers" */ |
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unsigned int rx_over; /* Receiver Overruns */ |
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unsigned int tx_under; /* Transmitter Underruns */ |
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unsigned int tx_state; /* Transmitter state */ |
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int tx_queued; /* tx frames enqueued */ |
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unsigned int maxqueue; /* allocated tx_buffers */ |
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unsigned int bufsize; /* used buffersize */ |
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}; |
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struct scc_modem { |
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long speed; /* Line speed, bps */ |
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char clocksrc; /* 0 = DPLL, 1 = external, 2 = divider */ |
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char nrz; /* NRZ instead of NRZI */ |
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}; |
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struct scc_kiss_cmd { |
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int command; /* one of the KISS-Commands defined above */ |
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unsigned param; /* KISS-Param */ |
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}; |
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struct scc_hw_config { |
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io_port data_a; /* data port channel A */ |
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io_port ctrl_a; /* control port channel A */ |
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io_port data_b; /* data port channel B */ |
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io_port ctrl_b; /* control port channel B */ |
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io_port vector_latch; /* INTACK-Latch (#) */ |
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io_port special; /* special function port */ |
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int irq; /* irq */ |
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long clock; /* clock */ |
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char option; /* command for function port */ |
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char brand; /* hardware type */ |
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char escc; /* use ext. features of a 8580/85180/85280 */ |
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}; |
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/* (#) only one INTACK latch allowed. */ |
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struct scc_mem_config { |
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unsigned int dummy; |
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unsigned int bufsize; |
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}; |
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struct scc_calibrate { |
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unsigned int time; |
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unsigned char pattern; |
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}; |
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#endif /* _UAPI_SCC_H */
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