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Edit File : scc.h \| Size : 4.49 KB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note / / $Id: scc.h,v 1.29 1997/04/02 14:56:45 jreuter Exp jreuter $ / #ifndef _SCC_H #define _SCC_H / selection of hardware types / #define PA0HZP 0x00 / hardware type for PA0HZP SCC card and compatible / #define EAGLE 0x01 / hardware type for EAGLE card / #define PC100 0x02 / hardware type for PC100 card / #define PRIMUS 0x04 / hardware type for PRIMUS-PC (DG9BL) card / #define DRSI 0x08 / hardware type for DRSI PCPacket card / #define BAYCOM 0x10 /* hardware type for BayCom (U)SCC / / DEV ioctl() commands / enum SCC_ioctl_cmds { SIOCSCCRESERVED = SIOCDEVPRIVATE, SIOCSCCCFG, SIOCSCCINI, SIOCSCCCHANINI, SIOCSCCSMEM, SIOCSCCGKISS, SIOCSCCSKISS, SIOCSCCGSTAT, SIOCSCCCAL }; / Device parameter control (from WAMPES) / enum L1_params { PARAM_DATA, PARAM_TXDELAY, PARAM_PERSIST, PARAM_SLOTTIME, PARAM_TXTAIL, PARAM_FULLDUP, PARAM_SOFTDCD, / was: PARAM_HW / PARAM_MUTE, / ??? / PARAM_DTR, PARAM_RTS, PARAM_SPEED, PARAM_ENDDELAY, / ??? / PARAM_GROUP, PARAM_IDLE, PARAM_MIN, PARAM_MAXKEY, PARAM_WAIT, PARAM_MAXDEFER, PARAM_TX, PARAM_HWEVENT = 31, PARAM_RETURN = 255 / reset kiss mode / }; / fulldup parameter / enum FULLDUP_modes { KISS_DUPLEX_HALF, / normal CSMA operation / KISS_DUPLEX_FULL, / fullduplex, key down trx after transmission / KISS_DUPLEX_LINK, / fullduplex, key down trx after 'idletime' sec / KISS_DUPLEX_OPTIMA / fullduplex, let the protocol layer control the hw / }; / misc. parameters / #define TIMER_OFF 65535U / to switch off timers / #define NO_SUCH_PARAM 65534U / param not implemented / / HWEVENT parameter / enum HWEVENT_opts { HWEV_DCD_ON, HWEV_DCD_OFF, HWEV_ALL_SENT }; / channel grouping / #define RXGROUP 0100 / if set, only tx when all channels clear / #define TXGROUP 0200 / if set, don't transmit simultaneously / / Tx/Rx clock sources / enum CLOCK_sources { CLK_DPLL, / normal halfduplex operation / CLK_EXTERNAL, / external clocking (G3RUH/DF9IC modems) / CLK_DIVIDER, / Rx = DPLL, Tx = divider (fullduplex with / / modems without clock regeneration / CLK_BRG / experimental fullduplex mode with DPLL/BRG for / / MODEMs without clock recovery / }; / Tx state / enum TX_state { TXS_IDLE, / Transmitter off, no data pending / TXS_BUSY, / waiting for permission to send / tailtime / TXS_ACTIVE, / Transmitter on, sending data / TXS_NEWFRAME, / reset CRC and send (next) frame / TXS_IDLE2, / Transmitter on, no data pending / TXS_WAIT, / Waiting for Mintime to expire / TXS_TIMEOUT / We had a transmission timeout / }; typedef unsigned long io_port; / type definition for an 'io port address' / / SCC statistical information / struct scc_stat { long rxints; / Receiver interrupts / long txints; / Transmitter interrupts / long exints; / External/status interrupts / long spints; / Special receiver interrupts / long txframes; / Packets sent / long rxframes; / Number of Frames Actually Received / long rxerrs; / CRC Errors / long txerrs; / KISS errors / unsigned int nospace; / "Out of buffers" / unsigned int rx_over; / Receiver Overruns / unsigned int tx_under; / Transmitter Underruns / unsigned int tx_state; / Transmitter state / int tx_queued; / tx frames enqueued / unsigned int maxqueue; / allocated tx_buffers / unsigned int bufsize; / used buffersize / }; struct scc_modem { long speed; / Line speed, bps / char clocksrc; / 0 = DPLL, 1 = external, 2 = divider / char nrz; / NRZ instead of NRZI / }; struct scc_kiss_cmd { int command; / one of the KISS-Commands defined above / unsigned param; / KISS-Param / }; struct scc_hw_config { io_port data_a; / data port channel A / io_port ctrl_a; / control port channel A / io_port data_b; / data port channel B / io_port ctrl_b; / control port channel B / io_port vector_latch; / INTACK-Latch (#) / io_port special; / special function port / int irq; / irq / long clock; / clock / char option; / command for function port / char brand; / hardware type / char escc; / use ext. features of a 8580/85180/85280 / }; / (#) only one INTACK latch allowed. / struct scc_mem_config { unsigned int dummy; unsigned int bufsize; }; struct scc_calibrate { unsigned int time; unsigned char pattern; }; #endif / _SCC_H */ Back

Edit File : scc.h | Size : 4.49 KB

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* $Id: scc.h,v 1.29 1997/04/02 14:56:45 jreuter Exp jreuter $ */

#ifndef _SCC_H
#define _SCC_H

/* selection of hardware types */

#define PA0HZP		0x00	/* hardware type for PA0HZP SCC card and compatible */
#define EAGLE		0x01    /* hardware type for EAGLE card */
#define PC100		0x02	/* hardware type for PC100 card */
#define PRIMUS		0x04	/* hardware type for PRIMUS-PC (DG9BL) card */
#define DRSI		0x08	/* hardware type for DRSI PC*Packet card */
#define BAYCOM		0x10	/* hardware type for BayCom (U)SCC */

/* DEV ioctl() commands */

enum SCC_ioctl_cmds {
	SIOCSCCRESERVED = SIOCDEVPRIVATE,
	SIOCSCCCFG,
	SIOCSCCINI,
	SIOCSCCCHANINI,
	SIOCSCCSMEM,
	SIOCSCCGKISS,
	SIOCSCCSKISS,
	SIOCSCCGSTAT,
	SIOCSCCCAL
};

/* Device parameter control (from WAMPES) */

enum L1_params {
	PARAM_DATA,
	PARAM_TXDELAY,
	PARAM_PERSIST,
	PARAM_SLOTTIME,
	PARAM_TXTAIL,
	PARAM_FULLDUP,
	PARAM_SOFTDCD,		/* was: PARAM_HW */
	PARAM_MUTE,		/* ??? */
	PARAM_DTR,
	PARAM_RTS,
	PARAM_SPEED,
	PARAM_ENDDELAY,		/* ??? */
	PARAM_GROUP,
	PARAM_IDLE,
	PARAM_MIN,
	PARAM_MAXKEY,
	PARAM_WAIT,
	PARAM_MAXDEFER,
	PARAM_TX,
	PARAM_HWEVENT = 31,
	PARAM_RETURN = 255	/* reset kiss mode */
};

/* fulldup parameter */

enum FULLDUP_modes {
	KISS_DUPLEX_HALF,	/* normal CSMA operation */
	KISS_DUPLEX_FULL,	/* fullduplex, key down trx after transmission */
	KISS_DUPLEX_LINK,	/* fullduplex, key down trx after 'idletime' sec */
	KISS_DUPLEX_OPTIMA	/* fullduplex, let the protocol layer control the hw */
};

/* misc. parameters */

#define TIMER_OFF	65535U	/* to switch off timers */
#define NO_SUCH_PARAM	65534U	/* param not implemented */

/* HWEVENT parameter */

enum HWEVENT_opts {
	HWEV_DCD_ON,
	HWEV_DCD_OFF,
	HWEV_ALL_SENT
};

/* channel grouping */

#define RXGROUP		0100	/* if set, only tx when all channels clear */
#define TXGROUP		0200	/* if set, don't transmit simultaneously */

/* Tx/Rx clock sources */

enum CLOCK_sources {
	CLK_DPLL,	/* normal halfduplex operation */
	CLK_EXTERNAL,	/* external clocking (G3RUH/DF9IC modems) */
	CLK_DIVIDER,	/* Rx = DPLL, Tx = divider (fullduplex with */
			/* modems without clock regeneration */
	CLK_BRG		/* experimental fullduplex mode with DPLL/BRG for */
			/* MODEMs without clock recovery */
};

/* Tx state */

enum TX_state {
	TXS_IDLE,	/* Transmitter off, no data pending */
	TXS_BUSY,	/* waiting for permission to send / tailtime */
	TXS_ACTIVE,	/* Transmitter on, sending data */
	TXS_NEWFRAME,	/* reset CRC and send (next) frame */
	TXS_IDLE2,	/* Transmitter on, no data pending */
	TXS_WAIT,	/* Waiting for Mintime to expire */
	TXS_TIMEOUT	/* We had a transmission timeout */
};

typedef unsigned long io_port;	/* type definition for an 'io port address' */

/* SCC statistical information */

struct scc_stat {
        long rxints;            /* Receiver interrupts */
        long txints;            /* Transmitter interrupts */
        long exints;            /* External/status interrupts */
        long spints;            /* Special receiver interrupts */

long txframes;          /* Packets sent */
        long rxframes;          /* Number of Frames Actually Received */
        long rxerrs;            /* CRC Errors */
        long txerrs;		/* KISS errors */
        
	unsigned int nospace;	/* "Out of buffers" */
	unsigned int rx_over;	/* Receiver Overruns */
	unsigned int tx_under;	/* Transmitter Underruns */

unsigned int tx_state;	/* Transmitter state */
	int tx_queued;		/* tx frames enqueued */

unsigned int maxqueue;	/* allocated tx_buffers */
	unsigned int bufsize;	/* used buffersize */
};

struct scc_modem {
	long speed;		/* Line speed, bps */
	char clocksrc;		/* 0 = DPLL, 1 = external, 2 = divider */
	char nrz;		/* NRZ instead of NRZI */	
};

struct scc_kiss_cmd {
	int  	 command;	/* one of the KISS-Commands defined above */
	unsigned param;		/* KISS-Param */
};

struct scc_hw_config {
	io_port data_a;		/* data port channel A */
	io_port ctrl_a;		/* control port channel A */
	io_port data_b;		/* data port channel B */
	io_port ctrl_b;		/* control port channel B */
	io_port vector_latch;	/* INTACK-Latch (#) */
	io_port	special;	/* special function port */

int	irq;		/* irq */
	long	clock;		/* clock */
	char	option;		/* command for function port */

char brand;		/* hardware type */
	char escc;		/* use ext. features of a 8580/85180/85280 */
};

/* (#) only one INTACK latch allowed. */

struct scc_mem_config {
	unsigned int dummy;
	unsigned int bufsize;
};

struct scc_calibrate {
	unsigned int time;
	unsigned char pattern;
};

#endif /* _SCC_H */

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