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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1991,1997-1998 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_SER_SYNC_H
#define _SYS_SER_SYNC_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Initial port setup parameters for sync lines
*/
#include <sys/stream.h>
#include <sys/time_impl.h>
#include <sys/ioccom.h>
#ifdef __cplusplus
extern "C" {
#endif
#define zIOC ('z' << 8)
#define S_IOCGETMODE (zIOC|01) /* return struct scc_mode */
#define S_IOCSETMODE (zIOC|02) /* set SCC from struct scc_mode */
#define S_IOCGETSTATS (zIOC|03) /* return sync data stats */
#define S_IOCCLRSTATS (zIOC|04) /* clear sync stats */
#define S_IOCGETSPEED (zIOC|05) /* return int baudrate */
#define S_IOCGETMRU (zIOC|06) /* return int max receive unit */
#define S_IOCSETMRU (zIOC|07) /* set max receive unit */
#define S_IOCGETMTU (zIOC|010) /* return int max transmission unit */
#define S_IOCSETMTU (zIOC|011) /* set max transmission unit */
#define S_IOCGETMCTL (zIOC|012) /* return current CD/CTS state */
#define S_IOCSETDTR (zIOC|013) /* Drive DTR signal */
/* reason codes for IOCSETMODE */
#define SMERR_TXC 0x0001 /* transmit clock source not valid */
#define SMERR_RXC 0x0002 /* receive clock source not valid */
#define SMERR_IFLAGS 0x0004 /* inversion flags not valid */
#define SMERR_HDX 0x0008 /* CONN_HDX set without CONN_IBM */
#define SMERR_MPT 0x0010 /* CONN_MPT set without CONN_IBM */
#define SMERR_LPBKS 0x0020 /* invalid loopback/echo combination */
#define SMERR_BAUDRATE 0x0040 /* baudrate translates to 0 timeconst */
#define SMERR_PLL 0x0080 /* PLL set with BRG or w/o NRZI */
/*
* Definitions for modes of operations of
* synchronous lines, both RS-232 and RS-449
*/
struct scc_mode {
char sm_txclock; /* enum - transmit clock sources */
char sm_rxclock; /* enum - receive clock sources */
char sm_iflags; /* data and clock invert flags: see hsparam.h */
uchar_t sm_config; /* see CONN defines below */
int sm_baudrate;
int sm_retval; /* SMERR codes go here, query with GETMODE */
};
/*
* defines for txclock
*/
#define TXC_IS_TXC 0 /* use incoming transmit clock */
#define TXC_IS_RXC 1 /* use incoming receive clock */
#define TXC_IS_BAUD 2 /* use baud rate generator */
#define TXC_IS_PLL 3 /* use phase-lock loop output */
/*
* defines for rxclock
*/
#define RXC_IS_RXC 0 /* use incoming receive clock */
#define RXC_IS_TXC 1 /* use incoming transmit clock */
#define RXC_IS_BAUD 2 /* use baud rate - only good for loopback */
#define RXC_IS_PLL 3 /* use phase-lock loop */
/*
* defines for clock/data inversion: from hsparam.h
*/
#define TXC_IS_SYSCLK 4
#define RXC_IS_SYSCLK 4
#define TXC_IS_INVERT 5
#define RXC_IS_INVERT 5
#define TRXD_NO_INVERT 0
#define RXD_IS_INVERT 1
#define TXD_IS_INVERT 2
#define TRXD_IS_INVERT 3
/*
* defines for config
*/
#define CONN_HDX 0x01 /* half-duplex if set, else full-duplex */
#define CONN_MPT 0x02 /* multipoint if set, else point-point */
#define CONN_IBM 0x04 /* set up in IBM-SDLC mode */
#define CONN_SIGNAL 0x08 /* report modem signal changes asynchronously */
#define CONN_NRZI 0x10 /* boolean - use NRZI */
#define CONN_LPBK 0x20 /* do internal loopback */
#define CONN_ECHO 0x40 /* place in auto echo mode */
struct sl_status {
int type;
int status;
timestruc_t tstamp;
};
#if defined(_SYSCALL32)
struct sl_status32 {
int32_t type;
int32_t status;
timestruc32_t tstamp;
};
#endif /* _SYSCALL32 */
/*
* defines for type field in sl_status
*/
#define SLS_MDMSTAT 0x01 /* Non-IBM modem line status change */
#define SLS_LINKERR 0x02 /* IBM mode Link Error, usually modem line. */
/*
* defines for status field in sl_status
* DO NOT change the values for CS_(DCD|CTS)_(UP|DOWN)!!!
*/
#define CS_DCD_DOWN 0x08
#define CS_DCD_UP 0x0c
#define CS_DCD_DROP 0x10
#define CS_CTS_DOWN 0x20
#define CS_CTS_UP 0x30
#define CS_CTS_DROP 0x40
#define CS_CTS_TO 0x80
#define CS_DCD CS_DCD_DOWN
#define CS_CTS CS_CTS_DOWN
/*
* Event statistics reported by hardware.
*/
struct sl_stats {
int ipack; /* input packets */
int opack; /* output packets */
int ichar; /* input bytes */
int ochar; /* output bytes */
int abort; /* abort received */
int crc; /* CRC error */
int cts; /* CTS timeouts */
int dcd; /* Carrier drops */
int overrun; /* receiver overrun */
int underrun; /* xmitter underrun */
int ierror; /* input error (rxbad) */
int oerror; /* output error (watchdog timeout) */
int nobuffers; /* no active receive block available */
};
/*
* Per-stream structure. Each of these points to only one device instance,
* but there may be more than one doing so. If marked as ST_CLONE, it has
* been opened throught the clone device, and cannot have the data path.
*/
struct ser_str {
queue_t *str_rq; /* This stream's read queue */
caddr_t str_com; /* Back pointer to device struct */
int str_inst; /* Device instance (unit) number */
int str_state; /* see below */
};
/*
* Synchronous Protocol Private Data Structure
*/
#define ZSH_MAX_RSTANDBY 6
#define ZSH_RDONE_MAX 20
struct syncline {
struct ser_str sl_stream; /* data path device points thru here */
struct scc_mode sl_mode; /* clock, etc. modes */
struct sl_stats sl_st; /* Data and error statistics */
mblk_t *sl_rhead; /* receive: head of active message */
mblk_t *sl_ractb; /* receive: active message block */
mblk_t *sl_rstandby[ZSH_MAX_RSTANDBY];
/* receive: standby message blocks */
mblk_t *sl_xhead; /* transmit: head of active message */
mblk_t *sl_xactb; /* transmit: active message block */
mblk_t *sl_xstandby; /* transmit: next available message */
mblk_t *sl_rdone[ZSH_RDONE_MAX];
/* complete messages to be sent up */
int sl_rdone_wptr;
int sl_rdone_rptr;
mblk_t *sl_mstat; /* most recent modem status change */
bufcall_id_t sl_bufcid; /* pending bufcall ID */
timeout_id_t sl_wd_id; /* watchdog timeout ID */
int sl_wd_count; /* watchdog counter */
int sl_ocnt; /* output message size */
int sl_mru; /* Maximum Receive Unit */
int sl_bad_count_int;
uchar_t sl_rr0; /* saved RR0 */
uchar_t sl_address; /* station address */
uchar_t sl_txstate; /* transmit state */
uchar_t sl_flags; /* see below */
uchar_t sl_m_error;
volatile uchar_t sl_soft_active; /* */
};
/*
* Bit definitions for sl_txstate.
*/
#define TX_OFF 0x0 /* Not available */
#define TX_IDLE 0x1 /* Initialized */
#define TX_RTS 0x2 /* IBM: RTS up, okay to transmit */
#define TX_ACTIVE 0x4 /* Transmission in progress */
#define TX_CRC 0x8 /* Sent all Data */
#define TX_FLAG 0x10 /* Sent CRC bytes */
#define TX_LAST 0x20 /* End-Of-Frame, OK to start new msg */
#define TX_ABORTED 0x40 /* Transmit was aborted */
/*
* Bit definitions for sl_flags.
*/
#define SF_FDXPTP 0x1 /* Full duplex AND Point-To-Point */
#define SF_XMT_INPROG 0x2 /* Write queue is not empty */
#define SF_LINKERR 0x4 /* Underrun or CTS/DCD drop */
#define SF_FLUSH_WQ 0x8 /* */
#define SF_INITIALIZED 0x10 /* This channel programmed for this protocol */
#define SF_PHONY 0x20 /* Dummy frame has been sent to close frame */
#define SF_ZSH_START 0x40 /* */
/*
* Bit definitions for str_state.
*/
#define STR_CLONE 1 /* This was opened thru clone device */
extern int hz;
#define SIO_WATCHDOG_TICK (2 * hz) /* Two second timeout */
#define SIO_WATCHDOG_ON (zss->sl_wd_id > 0) /* Is it on? */
#ifdef __cplusplus
}
#endif
#endif /* !_SYS_SER_SYNC_H */
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