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linux/drivers/net/wan/farsync.h
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* FarSync X21 driver for Linux
*
* Actually sync driver for X.21, V.35 and V.24 on FarSync T-series cards
*
* Copyright (C) 2001 FarSite Communications Ltd.
* www.farsite.co.uk
*
* Author: R.J.Dunlop <bob.dunlop@farsite.co.uk>
*
* For the most part this file only contains structures and information
* that is visible to applications outside the driver. Shared memory
* layout etc is internal to the driver and described within farsync.c.
* Overlap exists in that the values used for some fields within the
* ioctl interface extend into the cards firmware interface so values in
* this file may not be changed arbitrarily.
*/
/* What's in a name
*
* The project name for this driver is Oscar. The driver is intended to be
* used with the FarSite T-Series cards (T2P & T4P) running in the high
* speed frame shifter mode. This is sometimes referred to as X.21 mode
* which is a complete misnomer as the card continues to support V.24 and
* V.35 as well as X.21.
*
* A short common prefix is useful for routines within the driver to avoid
* conflict with other similar drivers and I chosen to use "fst_" for this
* purpose (FarSite T-series).
*
* Finally the device driver needs a short network interface name. Since
* "hdlc" is already in use I've chosen the even less informative "sync"
* for the present.
*/
#define FST_NAME "fst" /* In debug/info etc */
#define FST_NDEV_NAME "sync" /* For net interface */
#define FST_DEV_NAME "farsync" /* For misc interfaces */
/* User version number
*
* This version number is incremented with each official release of the
* package and is a simplified number for normal user reference.
* Individual files are tracked by the version control system and may
* have individual versions (or IDs) that move much faster than the
* the release version as individual updates are tracked.
*/
#define FST_USER_VERSION "1.04"
/* Ioctl call command values
*/
#define FSTWRITE (SIOCDEVPRIVATE+10)
#define FSTCPURESET (SIOCDEVPRIVATE+11)
#define FSTCPURELEASE (SIOCDEVPRIVATE+12)
#define FSTGETCONF (SIOCDEVPRIVATE+13)
#define FSTSETCONF (SIOCDEVPRIVATE+14)
/* FSTWRITE
*
* Used to write a block of data (firmware etc) before the card is running
*/
struct fstioc_write {
unsigned int size;
unsigned int offset;
unsigned char data[0];
};
/* FSTCPURESET and FSTCPURELEASE
*
* These take no additional data.
* FSTCPURESET forces the cards CPU into a reset state and holds it there.
* FSTCPURELEASE releases the CPU from this reset state allowing it to run,
* the reset vector should be setup before this ioctl is run.
*/
/* FSTGETCONF and FSTSETCONF
*
* Get and set a card/ports configuration.
* In order to allow selective setting of items and for the kernel to
* indicate a partial status response the first field "valid" is a bitmask
* indicating which other fields in the structure are valid.
* Many of the field names in this structure match those used in the
* firmware shared memory configuration interface and come originally from
* the NT header file Smc.h
*
* When used with FSTGETCONF this structure should be zeroed before use.
* This is to allow for possible future expansion when some of the fields
* might be used to indicate a different (expanded) structure.
*/
struct fstioc_info {
unsigned int valid; /* Bits of structure that are valid */
unsigned int nports; /* Number of serial ports */
unsigned int type; /* Type index of card */
unsigned int state; /* State of card */
unsigned int index; /* Index of port ioctl was issued on */
unsigned int smcFirmwareVersion;
unsigned long kernelVersion; /* What Kernel version we are working with */
unsigned short lineInterface; /* Physical interface type */
unsigned char proto; /* Line protocol */
unsigned char internalClock; /* 1 => internal clock, 0 => external */
unsigned int lineSpeed; /* Speed in bps */
unsigned int v24IpSts; /* V.24 control input status */
unsigned int v24OpSts; /* V.24 control output status */
unsigned short clockStatus; /* lsb: 0=> present, 1=> absent */
unsigned short cableStatus; /* lsb: 0=> present, 1=> absent */
unsigned short cardMode; /* lsb: LED id mode */
unsigned short debug; /* Debug flags */
unsigned char transparentMode; /* Not used always 0 */
unsigned char invertClock; /* Invert clock feature for syncing */
unsigned char startingSlot; /* Time slot to use for start of tx */
unsigned char clockSource; /* External or internal */
unsigned char framing; /* E1, T1 or J1 */
unsigned char structure; /* unframed, double, crc4, f4, f12, */
/* f24 f72 */
unsigned char interface; /* rj48c or bnc */
unsigned char coding; /* hdb3 b8zs */
unsigned char lineBuildOut; /* 0, -7.5, -15, -22 */
unsigned char equalizer; /* short or lon haul settings */
unsigned char loopMode; /* various loopbacks */
unsigned char range; /* cable lengths */
unsigned char txBufferMode; /* tx elastic buffer depth */
unsigned char rxBufferMode; /* rx elastic buffer depth */
unsigned char losThreshold; /* Attenuation on LOS signal */
unsigned char idleCode; /* Value to send as idle timeslot */
unsigned int receiveBufferDelay; /* delay thro rx buffer timeslots */
unsigned int framingErrorCount; /* framing errors */
unsigned int codeViolationCount; /* code violations */
unsigned int crcErrorCount; /* CRC errors */
int lineAttenuation; /* in dB*/
unsigned short lossOfSignal;
unsigned short receiveRemoteAlarm;
unsigned short alarmIndicationSignal;
};
/* "valid" bitmask */
#define FSTVAL_NONE 0x00000000 /* Nothing valid (firmware not running).
* Slight misnomer. In fact nports,
* type, state and index will be set
* based on hardware detected.
*/
#define FSTVAL_OMODEM 0x0000001F /* First 5 bits correspond to the
* output status bits defined for
* v24OpSts
*/
#define FSTVAL_SPEED 0x00000020 /* internalClock, lineSpeed, clockStatus
*/
#define FSTVAL_CABLE 0x00000040 /* lineInterface, cableStatus */
#define FSTVAL_IMODEM 0x00000080 /* v24IpSts */
#define FSTVAL_CARD 0x00000100 /* nports, type, state, index,
* smcFirmwareVersion
*/
#define FSTVAL_PROTO 0x00000200 /* proto */
#define FSTVAL_MODE 0x00000400 /* cardMode */
#define FSTVAL_PHASE 0x00000800 /* Clock phase */
#define FSTVAL_TE1 0x00001000 /* T1E1 Configuration */
#define FSTVAL_DEBUG 0x80000000 /* debug */
#define FSTVAL_ALL 0x00001FFF /* Note: does not include DEBUG flag */
/* "type" */
#define FST_TYPE_NONE 0 /* Probably should never happen */
#define FST_TYPE_T2P 1 /* T2P X21 2 port card */
#define FST_TYPE_T4P 2 /* T4P X21 4 port card */
#define FST_TYPE_T1U 3 /* T1U X21 1 port card */
#define FST_TYPE_T2U 4 /* T2U X21 2 port card */
#define FST_TYPE_T4U 5 /* T4U X21 4 port card */
#define FST_TYPE_TE1 6 /* T1E1 X21 1 port card */
/* "family" */
#define FST_FAMILY_TXP 0 /* T2P or T4P */
#define FST_FAMILY_TXU 1 /* T1U or T2U or T4U */
/* "state" */
#define FST_UNINIT 0 /* Raw uninitialised state following
* system startup */
#define FST_RESET 1 /* Processor held in reset state */
#define FST_DOWNLOAD 2 /* Card being downloaded */
#define FST_STARTING 3 /* Released following download */
#define FST_RUNNING 4 /* Processor running */
#define FST_BADVERSION 5 /* Bad shared memory version detected */
#define FST_HALTED 6 /* Processor flagged a halt */
#define FST_IFAILED 7 /* Firmware issued initialisation failed
* interrupt
*/
/* "lineInterface" */
#define V24 1
#define X21 2
#define V35 3
#define X21D 4
#define T1 5
#define E1 6
#define J1 7
/* "proto" */
#define FST_RAW 4 /* Two way raw packets */
#define FST_GEN_HDLC 5 /* Using "Generic HDLC" module */
/* "internalClock" */
#define INTCLK 1
#define EXTCLK 0
/* "v24IpSts" bitmask */
#define IPSTS_CTS 0x00000001 /* Clear To Send (Indicate for X.21) */
#define IPSTS_INDICATE IPSTS_CTS
#define IPSTS_DSR 0x00000002 /* Data Set Ready (T2P Port A) */
#define IPSTS_DCD 0x00000004 /* Data Carrier Detect */
#define IPSTS_RI 0x00000008 /* Ring Indicator (T2P Port A) */
#define IPSTS_TMI 0x00000010 /* Test Mode Indicator (Not Supported)*/
/* "v24OpSts" bitmask */
#define OPSTS_RTS 0x00000001 /* Request To Send (Control for X.21) */
#define OPSTS_CONTROL OPSTS_RTS
#define OPSTS_DTR 0x00000002 /* Data Terminal Ready */
#define OPSTS_DSRS 0x00000004 /* Data Signalling Rate Select (Not
* Supported) */
#define OPSTS_SS 0x00000008 /* Select Standby (Not Supported) */
#define OPSTS_LL 0x00000010 /* Maintenance Test (Not Supported) */
/* "cardMode" bitmask */
#define CARD_MODE_IDENTIFY 0x0001
/*
* Constants for T1/E1 configuration
*/
/*
* Clock source
*/
#define CLOCKING_SLAVE 0
#define CLOCKING_MASTER 1
/*
* Framing
*/
#define FRAMING_E1 0
#define FRAMING_J1 1
#define FRAMING_T1 2
/*
* Structure
*/
#define STRUCTURE_UNFRAMED 0
#define STRUCTURE_E1_DOUBLE 1
#define STRUCTURE_E1_CRC4 2
#define STRUCTURE_E1_CRC4M 3
#define STRUCTURE_T1_4 4
#define STRUCTURE_T1_12 5
#define STRUCTURE_T1_24 6
#define STRUCTURE_T1_72 7
/*
* Interface
*/
#define INTERFACE_RJ48C 0
#define INTERFACE_BNC 1
/*
* Coding
*/
#define CODING_HDB3 0
#define CODING_NRZ 1
#define CODING_CMI 2
#define CODING_CMI_HDB3 3
#define CODING_CMI_B8ZS 4
#define CODING_AMI 5
#define CODING_AMI_ZCS 6
#define CODING_B8ZS 7
/*
* Line Build Out
*/
#define LBO_0dB 0
#define LBO_7dB5 1
#define LBO_15dB 2
#define LBO_22dB5 3
/*
* Range for long haul t1 > 655ft
*/
#define RANGE_0_133_FT 0
#define RANGE_0_40_M RANGE_0_133_FT
#define RANGE_133_266_FT 1
#define RANGE_40_81_M RANGE_133_266_FT
#define RANGE_266_399_FT 2
#define RANGE_81_122_M RANGE_266_399_FT
#define RANGE_399_533_FT 3
#define RANGE_122_162_M RANGE_399_533_FT
#define RANGE_533_655_FT 4
#define RANGE_162_200_M RANGE_533_655_FT
/*
* Receive Equaliser
*/
#define EQUALIZER_SHORT 0
#define EQUALIZER_LONG 1
/*
* Loop modes
*/
#define LOOP_NONE 0
#define LOOP_LOCAL 1
#define LOOP_PAYLOAD_EXC_TS0 2
#define LOOP_PAYLOAD_INC_TS0 3
#define LOOP_REMOTE 4
/*
* Buffer modes
*/
#define BUFFER_2_FRAME 0
#define BUFFER_1_FRAME 1
#define BUFFER_96_BIT 2
#define BUFFER_NONE 3
/* Debug support
*
* These should only be enabled for development kernels, production code
* should define FST_DEBUG=0 in order to exclude the code.
* Setting FST_DEBUG=1 will include all the debug code but in a disabled
* state, use the FSTSETCONF ioctl to enable specific debug actions, or
* FST_DEBUG can be set to prime the debug selection.
*/
#define FST_DEBUG 0x0000
#if FST_DEBUG
extern int fst_debug_mask; /* Bit mask of actions to debug, bits
* listed below. Note: Bit 0 is used
* to trigger the inclusion of this
* code, without enabling any actions.
*/
#define DBG_INIT 0x0002 /* Card detection and initialisation */
#define DBG_OPEN 0x0004 /* Open and close sequences */
#define DBG_PCI 0x0008 /* PCI config operations */
#define DBG_IOCTL 0x0010 /* Ioctls and other config */
#define DBG_INTR 0x0020 /* Interrupt routines (be careful) */
#define DBG_TX 0x0040 /* Packet transmission */
#define DBG_RX 0x0080 /* Packet reception */
#define DBG_CMD 0x0100 /* Port command issuing */
#define DBG_ASS 0xFFFF /* Assert like statements. Code that
* should never be reached, if you see
* one of these then I've been an ass
*/
#endif /* FST_DEBUG */
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