/******************************************************************************
*
* (C)Copyright 1998,1999 SysKonnect,
* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
*
* See the file "skfddi.c" for further information.
*
* 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.
*
* The information in this file is provided "AS IS" without warranty.
*
******************************************************************************/
/*
* FORMAC+ Driver for tag mode
*/
#include "h/types.h"
#include "h/fddi.h"
#include "h/smc.h"
#include "h/supern_2.h"
#include <linux/bitrev.h>
#ifndef lint
static const char ID_sccs[] = "@(#)fplustm.c 1.32 99/02/23 (C) SK " ;
#endif
#ifndef UNUSED
#ifdef lint
#define UNUSED(x) (x) = (x)
#else
#define UNUSED(x)
#endif
#endif
#define FM_ADDRX (FM_ADDET|FM_EXGPA0|FM_EXGPA1)
#define MS2BCLK(x) ((x)*12500L)
#define US2BCLK(x) ((x)*1250L)
/*
* prototypes for static function
*/
static void build_claim_beacon(struct s_smc *smc, u_long t_request);
static int init_mac(struct s_smc *smc, int all);
static void rtm_init(struct s_smc *smc);
static void smt_split_up_fifo(struct s_smc *smc);
#if (!defined(NO_SMT_PANIC) || defined(DEBUG))
static char write_mdr_warning [] = "E350 write_mdr() FM_SNPPND is set\n";
static char cam_warning [] = "E_SMT_004: CAM still busy\n";
#endif
#define DUMMY_READ() smc->hw.mc_dummy = (u_short) inp(ADDR(B0_RAP))
#define CHECK_NPP() { unsigned k = 10000 ;\
while ((inpw(FM_A(FM_STMCHN)) & FM_SNPPND) && k) k--;\
if (!k) { \
SMT_PANIC(smc,SMT_E0130, SMT_E0130_MSG) ; \
} \
}
#define CHECK_CAM() { unsigned k = 10 ;\
while (!(inpw(FM_A(FM_AFSTAT)) & FM_DONE) && k) k--;\
if (!k) { \
SMT_PANIC(smc,SMT_E0131, SMT_E0131_MSG) ; \
} \
}
const struct fddi_addr fddi_broadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}};
static const struct fddi_addr null_addr = {{0,0,0,0,0,0}};
static const struct fddi_addr dbeacon_multi = {{0x01,0x80,0xc2,0x00,0x01,0x00}};
static const u_short my_said = 0xffff ; /* short address (n.u.) */
static const u_short my_sagp = 0xffff ; /* short group address (n.u.) */
/*
* define my address
*/
#ifdef USE_CAN_ADDR
#define MA smc->hw.fddi_canon_addr
#else
#define MA smc->hw.fddi_home_addr
#endif
/*
* useful interrupt bits
*/
static const int mac_imsk1u = FM_STXABRS | FM_STXABRA0 | FM_SXMTABT ;
static const int mac_imsk1l = FM_SQLCKS | FM_SQLCKA0 | FM_SPCEPDS | FM_SPCEPDA0|
FM_STBURS | FM_STBURA0 ;
/* delete FM_SRBFL after tests */
static const int mac_imsk2u = FM_SERRSF | FM_SNFSLD | FM_SRCVOVR | FM_SRBFL |
FM_SMYCLM ;
static const int mac_imsk2l = FM_STRTEXR | FM_SDUPCLM | FM_SFRMCTR |
FM_SERRCTR | FM_SLSTCTR |
FM_STRTEXP | FM_SMULTDA | FM_SRNGOP ;
static const int mac_imsk3u = FM_SRCVOVR2 | FM_SRBFL2 ;
static const int mac_imsk3l =
| 