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freebsd-dev/sys/i4b/layer1/ihfc/i4b_ihfc.h

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/*-
* Copyright (c) 2000 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------
*
* i4b_ihfc.h - ihfc common header file
* ------------------------------------
*
* last edit-date: [Wed Jul 19 09:40:45 2000]
*
* $Id: i4b_ihfc.h,v 1.9 2000/09/19 13:50:36 hm Exp $
*
* $FreeBSD$
*
*---------------------------------------------------------------------------*/
#ifndef _I4B_IHFC_H_
#define _I4B_IHFC_H_
#include <i4b/include/i4b_l3l4.h>
/*---------------------------------------------------------------------------*
* global stuff (HFC-1/S/SP)
*---------------------------------------------------------------------------*/
#define DCH_MAX_LEN 264 /* max length of a D frame */
#define IHFC_ACTIVATION_TIMEOUT 3*hz /* S0-bus must activate before this time */
#define IHFC_IO_BASES 1
#define IHFC_DISBUSYTO 500 /* do at least 500 inb's before giving up */
#define IHFC_NONBUSYTO 8000 /* do at least 8000 inb's before giving up */
#define IHFC_NTMODE 0 /* use TE-mode as default */
#define IHFC_DLP 0 /* use (8/9) priority as default */
#define IHFC_MAXUNIT 4
/* #define IHFC_DEBUG internal debugging enabled *
* #undef IHFC_DEBUG internal debugging disabled */
/* chan: *
* 0 - D1 (tx) *
* 1 - D1 (rx) *
* 2 - B1 (tx) *
* 3 - B1 (rx) *
* 4 - B2 (tx) *
* 5 - B2 (rx) */
#define HFC_1 0x01 /* HFC 2B */
#define HFC_S 0x02 /* HFC - S 2BDS0 */
#define HFC_SP 0x04 /* HFC - SP 2BDS0 */
#define HFC_SPCI 0x08 /* HFC - SPCI 2BDS0 X */
#define HFC_S2M 0x10 /* HFC - S2M 2BDS0 X */
#define HFC_USB 0x20 /* HFC - USB 2BDS0 X */
/*---------------------------------------------------------------------------*
* "Help Fix Corruption" macros (HFC-1/S/SP)
*
* NOTE: If the code does not run at splhigh, we will sporadically
* lose bytes. On fast PC's (200 Mhz), this is very little noticable.
*---------------------------------------------------------------------------*/
#define HFC_VAR int _s_ /* declare variable */
#define HFC_BEG _s_ = splhigh() /* save spl */
#define HFC_END splx(_s_) /* restore spl */
/*---------------------------------------------------------------------------*
* macros related to i4b linking (HFC-1/S/SP)
*---------------------------------------------------------------------------*/
#define S_BLINK sc->sc_blinktab[(chan > 3) ? 1 : 0]
#define S_BDRVLINK sc->sc_bdrvlinktab[(chan > 3) ? 1 : 0]
/*---------------------------------------------------------------------------*
* macros related to ihfc_sc (HFC-1/S/SP)
*---------------------------------------------------------------------------*/
/* statemachine */
#define S_IOM2 (sc->sc_config.i_adf2 & 0x80)
/* 0x80: IOM2 mode selected */
#define S_DLP (sc->sc_config.dlp)
#define S_NTMODE (sc->sc_config.ntmode)
#define S_STDEL (sc->sc_config.stdel)
#define S_PHSTATE sc->sc_statemachine.state
#define S_STM_T3 sc->sc_statemachine.T3
#define S_STM_T3CALLOUT sc->sc_statemachine.T3callout
/* unitnumbers */
#define S_UNIT sc->sc_unit
#define S_FLAG sc->sc_flag
#define S_I4BUNIT sc->sc_i4bunit
#define S_I4BFLAG sc->sc_i4bflag
/* ISA bus setup */
#define S_IOBASE sc->sc_resources.io_base
#define S_IORID sc->sc_resources.io_rid
#define S_IRQ sc->sc_resources.irq
#define S_IRQRID sc->sc_resources.irq_rid
/* hardware setup */
#define S_HFC sc->sc_config.chiptype
#define S_IIO sc->sc_config.iio
#define S_IIRQ sc->sc_config.iirq
/* registers of the HFC-S/SP (write only) */
#define S_HFC_CONFIG sc->sc_config.cirm
#define S_CIRM sc->sc_config.cirm
#define S_CTMT sc->sc_config.ctmt
#define S_TEST sc->sc_config.test
#define S_SCTRL sc->sc_config.sctrl
#define S_CLKDEL sc->sc_config.clkdel
#define S_INT_M1 sc->sc_config.int_m1
#define S_INT_M2 sc->sc_config.int_m2
#define S_CONNECT sc->sc_config.connect
#define S_SCTRL_R sc->sc_config.sctrl_r
#define S_MST_MODE sc->sc_config.mst_mode
/* registers of the HFC-S/SP (read only) */
#define S_INT_S1 sc->sc_config.int_s1
/* registers of the ISAC (write only) */
#define S_ISAC_CONFIG sc->sc_config.i_adf2
#define S_ADF1 sc->sc_config.i_adf1
#define S_ADF2 sc->sc_config.i_adf2
#define S_MASK sc->sc_config.i_mask
#define S_MODE sc->sc_config.i_mode
#define S_SPCR sc->sc_config.i_spcr
#define S_SQXR sc->sc_config.i_sqxr
#define S_STCR sc->sc_config.i_stcr
#define S_STAR2 sc->sc_config.i_star2
/* registers of the ISAC (read only) */
#define S_ISTA sc->sc_config.i_ista
/* state of the softc */
#define S_ENABLED sc->sc_enabled
#define S_INTR_ACTIVE sc->sc_intr_active
/* SOFT-HDLC */
#define S_HDLC_IB sc->sc_fifo.chan[chan].hdlc.ib /* u_short */
#define S_HDLC_CRC sc->sc_fifo.chan[chan].hdlc.crc /* u_short */
#define S_HDLC_TMP sc->sc_fifo.chan[chan].hdlc.tmp /* u_int */
#define S_HDLC_FLAG sc->sc_fifo.chan[chan].hdlc.flag /* u_char */
#define S_HDLC_BLEVEL sc->sc_fifo.chan[chan].hdlc.blevel /* u_short */
/* stats */
#define S_BYTES sc->sc_fifo.chan[chan].bytes
/* "Z"-values */
#define S_HDLC_DZ_TAB sc->sc_fifo.dztable
/* filters */
#define S_PROT sc->sc_fifo.chan[chan].prot
#define S_FILTER sc->sc_fifo.chan[chan].filter
#define S_ACTIVITY sc->sc_fifo.chan[chan].activity
#define S_LAST_CHAN sc->sc_fifo.last_chan
/* soft reset */
#define RESET_SOFT_CHAN(sc, chan) bzero(&sc->sc_fifo.chan[chan], sizeof(sc->sc_fifo.chan[0]))
/* trace */
#define S_TRACE sc->sc_trace
#define S_DTRACECOUNT sc->sc_Dtracecount
#define S_BTRACECOUNT sc->sc_Btracecount
/* mbuf */
#define S_MBUF sc->sc_fifo.chan[chan].buffer.mbuf
#define S_MBUFDUMMY sc->sc_fifo.chan[chan].buffer.mbufdummy
#define S_MBUFLEN sc->sc_fifo.chan[chan].buffer.mbuf->m_len
#define S_MBUFPKTHDR sc->sc_fifo.chan[chan].buffer.mbuf->m_pkthdr
#define S_MBUFDATA sc->sc_fifo.chan[chan].buffer.mbuf->m_data
#define S_MBUFDAT sc->sc_fifo.chan[chan].buffer.mbuf->m_dat
#define S_IFQUEUE sc->sc_fifo.chan[chan].buffer.ifqueue
/* hfc control */
#define HFC_INIT ihfc_init
#define HFC_INTR ((S_HFC & HFC_1) ? ihfc_intr1 : ihfc_intr2)
#define HFC_FSM ihfc_fsm
#define HFC_CONTROL ihfc_control
/* softc parts */
struct ihfc_sc;
struct sc_resources {
struct resource * io_base[IHFC_IO_BASES];
int io_rid [IHFC_IO_BASES];
struct resource * irq;
int irq_rid;
};
struct hdlc {
u_char flag;
u_short blevel;
u_short crc;
u_short ib;
u_int tmp;
};
struct buffer {
struct ifqueue ifqueue; /* data queue */
struct mbuf *mbuf; /* current mbuf */
struct mbuf *mbufdummy; /* temporary */
};
struct chan {
struct hdlc hdlc;
u_int bytes;
u_int prot;
struct buffer buffer;
void (*filter)(struct ihfc_sc *sc, u_char chan);
};
struct sc_fifo {
struct chan chan[6];
u_short dztable[16];
u_char last_chan;
};
struct sc_config {
/* software only: */
u_short chiptype; /* chiptype (eg. HFC_1) */
u_char dlp; /* D-priority */
u_short iio; /* internal IO */
u_char iirq; /* internal IRQ */
u_char ntmode; /* mode */
u_char stdel; /* S/T delay */
/* write only: */
u_char cirm;
u_char ctmt;
u_char int_m1;
u_char int_m2;
u_char mst_mode;
u_char clkdel;
u_char sctrl;
u_char connect;
u_char test;
u_char sctrl_r;
/* isac write only - hfc-1: */
u_char i_adf2;
u_char i_spcr;
u_char i_sqxr;
u_char i_adf1;
u_char i_stcr;
u_char i_mode;
u_char i_mask;
u_char i_star2;
/* read only: */
u_char int_s1;
/* isac read only - hfc-1: */
u_char i_ista;
};
struct sc_statemachine {
u_char state; /* see i4b_ihfc_drv.h */
u_char usync;
u_char T3; /* T3 running */
struct callout_handle T3callout;
};
/*---------------------------------------------------------------------------*
* HFC softc
*---------------------------------------------------------------------------*/
typedef struct ihfc_sc
{ int sc_unit;
int sc_flag;
int sc_i4bunit; /* L0IHFCUNIT(sc_unit) */
int sc_i4bflag; /* FLAG_TEL_S0_16_3C .. */
u_char sc_enabled; /* daemon running if set */
u_char sc_intr_active; /* interrupt is active */
int sc_trace;
u_int sc_Btracecount;
u_int sc_Dtracecount;
struct sc_config sc_config;
struct sc_resources sc_resources;
struct sc_statemachine sc_statemachine;
isdn_link_t sc_blinktab[2];
drvr_link_t *sc_bdrvlinktab[2];
struct sc_fifo sc_fifo;
} ihfc_sc_t;
extern ihfc_sc_t ihfc_softc[];
#endif /* _I4B_IHFC_H_ */
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