patch-2.2.18 linux/drivers/net/skfp/drvfbi.c

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diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/drivers/net/skfp/drvfbi.c linux/drivers/net/skfp/drvfbi.c
@@ -0,0 +1,1612 @@
+/******************************************************************************
+ *
+ *	(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.
+ *
+ ******************************************************************************/
+
+/*
+ * FBI board dependent Driver for SMT and LLC
+ */
+
+#include "h/types.h"
+#include "h/fddi.h"
+#include "h/smc.h"
+#include "h/supern_2.h"
+#include "h/skfbiinc.h"
+
+#ifndef	lint
+static const char ID_sccs[] = "@(#)drvfbi.c	1.63 99/02/11 (C) SK " ;
+#endif
+
+/*
+ * PCM active state
+ */
+#define PC8_ACTIVE	8
+
+#define	LED_Y_ON	0x11	/* Used for ring up/down indication */
+#define	LED_Y_OFF	0x10
+
+
+#define MS2BCLK(x)	((x)*12500L)
+
+/*
+ * valid configuration values are:
+ */
+#ifdef	ISA
+const int opt_ints[] = {8,	3, 4, 5, 9, 10, 11, 12, 15} ;
+const int opt_iops[] = {8,
+	0x100, 0x120, 0x180, 0x1a0, 0x220, 0x240, 0x320, 0x340};
+const int opt_dmas[] = {4,	3, 5, 6, 7} ;
+const int opt_eproms[] = {15,	0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce,
+			0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc} ;
+#endif
+#ifdef	EISA
+const int opt_ints[] = {5, 9, 10, 11} ;
+const int opt_dmas[] = {0, 5, 6, 7} ;
+const int opt_eproms[] = {0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce,
+				0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc} ;
+#endif
+
+#ifdef	MCA
+int	opt_ints[] = {3, 11, 10, 9} ;			/* FM1 */
+int	opt_eproms[] = {0, 0xc4, 0xc8, 0xcc, 0xd0, 0xd4, 0xd8, 0xdc} ;
+#endif	/* MCA */
+
+/*
+ *	xPOS_ID:xxxx
+ *	|	\  /
+ *	|	 \/
+ *	|	  --------------------- the patched POS_ID of the Adapter
+ *	|				xxxx = (Vendor ID low byte,
+ *	|					Vendor ID high byte,
+ *	|					Device ID low byte,
+ *	|					Device ID high byte)
+ *	+------------------------------ the patched oem_id must be
+ *					'S' for SK or 'I' for IBM
+ *					this is a short id for the driver.
+ */
+#ifndef MULT_OEM
+#ifndef	OEM_CONCEPT
+#ifndef MCA
+const u_char oem_id[] = "xPOS_ID:xxxx" ;
+#else
+const u_char oem_id[] = "xPOSID1:xxxx" ;	/* FM1 card id. */
+#endif
+#else	/* OEM_CONCEPT */
+#ifndef MCA
+const u_char oem_id[] = OEM_ID ;
+#else
+const u_char oem_id[] = OEM_ID1 ;	/* FM1 card id. */
+#endif	/* MCA */
+#endif	/* OEM_CONCEPT */
+#define	ID_BYTE0	8
+#define	OEMID(smc,i)	oem_id[ID_BYTE0 + i]
+#else	/* MULT_OEM */
+const struct s_oem_ids oem_ids[] = {
+#include "oemids.h"
+{0}
+};
+#define	OEMID(smc,i)	smc->hw.oem_id->oi_id[i]
+#endif	/* MULT_OEM */
+
+/* Prototypes of external functions */
+extern void hwt_restart() ;
+#ifdef AIX
+extern int AIX_vpdReadByte() ;
+#endif
+
+
+/* Prototypes of local functions. */
+void smt_stop_watchdog() ;
+
+#ifdef MCA
+static int read_card_id() ;
+static void DisableSlotAccess() ;
+static void EnableSlotAccess() ;
+#ifdef AIX
+extern int attach_POS_addr() ;
+extern int detach_POS_addr() ;
+extern u_char read_POS() ;
+extern void write_POS() ;
+extern int AIX_vpdReadByte() ;
+#else
+#define	read_POS(smc,a1,a2)	((u_char) inp(a1))
+#define	write_POS(smc,a1,a2,a3)	outp((a1),(a3))
+#endif
+#endif	/* MCA */
+
+
+/*
+ * FDDI card reset
+ */
+static void card_start(smc)
+struct s_smc *smc ;
+{
+	int i ;
+#ifdef	PCI
+	u_char	rev_id ;
+	u_short word;
+#endif
+
+	smt_stop_watchdog(smc) ;
+
+#ifdef	ISA
+	outpw(CSR_A,0) ;			/* reset for all chips */
+	for (i = 10 ; i ; i--)			/* delay for PLC's */
+		(void)inpw(ISR_A) ;
+	OUT_82c54_TIMER(3,COUNT(2) | RW_OP(3) | TMODE(2)) ;
+					/* counter 2, mode 2 */
+	OUT_82c54_TIMER(2,97) ;		/* LSB */
+	OUT_82c54_TIMER(2,0) ;		/* MSB ( 15.6 us ) */
+	outpw(CSR_A,CS_CRESET) ;
+#endif
+#ifdef	EISA
+	outpw(CSR_A,0) ;			/* reset for all chips */
+	for (i = 10 ; i ; i--)			/* delay for PLC's */
+		(void)inpw(ISR_A) ;
+	outpw(CSR_A,CS_CRESET) ;
+	smc->hw.led = (2<<6) ;
+	outpw(CSR_A,CS_CRESET | smc->hw.led) ;
+#endif
+#ifdef	MCA
+	outp(ADDR(CARD_DIS),0) ;		/* reset for all chips */
+	for (i = 10 ; i ; i--)			/* delay for PLC's */
+		(void)inpw(ISR_A) ;
+	outp(ADDR(CARD_EN),0) ;
+	/* first I/O after reset must not be a access to FORMAC or PLC */
+
+	/*
+	 * bus timeout (MCA)
+	 */
+	OUT_82c54_TIMER(3,COUNT(2) | RW_OP(3) | TMODE(3)) ;
+					/* counter 2, mode 3 */
+	OUT_82c54_TIMER(2,(2*24)) ;	/* 3.9 us * 2 square wave */
+	OUT_82c54_TIMER(2,0) ;		/* MSB */
+
+	/* POS 102 indicated an activ Check Line or Buss Error monitoring */
+	if (inpw(CSA_A) & (POS_EN_CHKINT | POS_EN_BUS_ERR)) {
+		outp(ADDR(IRQ_CHCK_EN),0) ;
+	}
+
+	if (!((i = inpw(CSR_A)) & CS_SAS)) {
+		if (!(i & CS_BYSTAT)) {
+			outp(ADDR(BYPASS(STAT_INS)),0) ;/* insert station */
+		}
+	}
+	outpw(LEDR_A,LED_1) ;	/* yellow */
+#endif	/* MCA */
+#ifdef	PCI
+	/*
+	 * make sure no transfer activity is pending
+	 */
+	outpw(FM_A(FM_MDREG1),FM_MINIT) ;
+	outp(ADDR(B0_CTRL), CTRL_HPI_SET) ;
+	hwt_wait_time(smc,hwt_quick_read(smc),MS2BCLK(10)) ;
+	/*
+	 * now reset everything
+	 */
+	outp(ADDR(B0_CTRL),CTRL_RST_SET) ;	/* reset for all chips */
+	i = (int) inp(ADDR(B0_CTRL)) ;		/* do dummy read */
+	SK_UNUSED(i) ;				/* Make LINT happy. */
+	outp(ADDR(B0_CTRL), CTRL_RST_CLR) ;
+
+	/*
+	 * Reset all bits in the PCI STATUS register
+	 */
+	outp(ADDR(B0_TST_CTRL), TST_CFG_WRITE_ON) ;	/* enable for writes */
+	word = inpw(PCI_C(PCI_STATUS)) ;
+	outpw(PCI_C(PCI_STATUS), word | PCI_ERRBITS) ;
+	outp(ADDR(B0_TST_CTRL), TST_CFG_WRITE_OFF) ;	/* disable writes */
+
+	/*
+	 * Release the reset of all the State machines
+	 * Release Master_Reset
+	 * Release HPI_SM_Reset
+	 */
+	outp(ADDR(B0_CTRL), CTRL_MRST_CLR|CTRL_HPI_CLR) ;
+
+	/*
+	 * determine the adapter type
+	 * Note: Do it here, because some drivers may call card_start() once
+	 *	 at very first before any other initialization functions is
+	 *	 executed.
+	 */
+	rev_id = inp(PCI_C(PCI_REV_ID)) ;
+	if ((rev_id & 0xf0) == SK_ML_ID_1 || (rev_id & 0xf0) == SK_ML_ID_2) {
+		smc->hw.hw_is_64bit = TRUE ;
+	} else {
+		smc->hw.hw_is_64bit = FALSE ;
+	}
+
+	/*
+	 * Watermark initialization
+	 */
+	if (!smc->hw.hw_is_64bit) {
+		outpd(ADDR(B4_R1_F), RX_WATERMARK) ;
+		outpd(ADDR(B5_XA_F), TX_WATERMARK) ;
+		outpd(ADDR(B5_XS_F), TX_WATERMARK) ;
+	}
+
+	outp(ADDR(B0_CTRL),CTRL_RST_CLR) ;	/* clear the reset chips */
+	outp(ADDR(B0_LED),LED_GA_OFF|LED_MY_ON|LED_GB_OFF) ; /* ye LED on */
+
+	/* init the timer value for the watch dog 2,5 minutes */
+	outpd(ADDR(B2_WDOG_INI),0x6FC23AC0) ;
+
+	/* initialize the ISR mask */
+	smc->hw.is_imask = ISR_MASK ;
+	smc->hw.hw_state = STOPPED ;
+#endif
+	GET_PAGE(0) ;		/* necessary for BOOT */
+}
+
+void card_stop(smc)
+struct s_smc *smc ;
+{
+	smt_stop_watchdog(smc) ;
+	smc->hw.mac_ring_is_up = 0 ;		/* ring down */
+#ifdef	ISA
+	outpw(CSR_A,0) ;			/* reset for all chips */
+#endif
+#ifdef	EISA
+	outpw(CSR_A,0) ;			/* reset for all chips */
+#endif
+#ifdef	MCA
+	outp(ADDR(CARD_DIS),0) ;		/* reset for all chips */
+#endif
+#ifdef	PCI
+	/*
+	 * make sure no transfer activity is pending
+	 */
+	outpw(FM_A(FM_MDREG1),FM_MINIT) ;
+	outp(ADDR(B0_CTRL), CTRL_HPI_SET) ;
+	hwt_wait_time(smc,hwt_quick_read(smc),MS2BCLK(10)) ;
+	/*
+	 * now reset everything
+	 */
+	outp(ADDR(B0_CTRL),CTRL_RST_SET) ;	/* reset for all chips */
+	outp(ADDR(B0_CTRL),CTRL_RST_CLR) ;	/* reset for all chips */
+	outp(ADDR(B0_LED),LED_GA_OFF|LED_MY_OFF|LED_GB_OFF) ; /* all LEDs off */
+	smc->hw.hw_state = STOPPED ;
+#endif
+}
+/*--------------------------- ISR handling ----------------------------------*/
+
+#ifndef PCI
+void mac1_irq(smc,stu, stl)
+struct s_smc *smc ;
+u_short stu;
+u_short stl;
+{
+	int	restart_tx = 0 ;
+again:
+#ifndef ISA
+/*
+ * FORMAC+ bug modified the queue pointer if many read/write accesses happens!?
+ */
+	if (stl & (FM_SPCEPDS  |	/* parit/coding err. syn.q.*/
+		   FM_SPCEPDA0 |	/* parit/coding err. a.q.0 */
+		   FM_SPCEPDA1 |	/* parit/coding err. a.q.1 */
+		   FM_SPCEPDA2)) {	/* parit/coding err. a.q.2 */
+		SMT_PANIC(smc,SMT_E0132, SMT_E0132_MSG) ;
+	}
+	if (stl & (FM_STBURS  |	/* tx buffer underrun syn.q.*/
+		   FM_STBURA0 |	/* tx buffer underrun a.q.0 */
+		   FM_STBURA1 |	/* tx buffer underrun a.q.1 */
+		   FM_STBURA2)) {	/* tx buffer underrun a.q.2 */
+		SMT_PANIC(smc,SMT_E0133, SMT_E0133_MSG) ;
+	}
+#endif
+	if ( (stu & (FM_SXMTABT |		/* transmit abort */
+#ifdef	SYNC
+		     FM_STXABRS |	/* syn. tx abort */
+#endif	/* SYNC */
+		     FM_STXABRA0)) ||	/* asyn. tx abort */
+	     (stl & (FM_SQLCKS |		/* lock for syn. q. */
+		     FM_SQLCKA0)) ) {	/* lock for asyn. q. */
+		formac_tx_restart(smc) ;		/* init tx */
+		restart_tx = 1 ;
+		stu = inpw(FM_A(FM_ST1U)) ;
+		stl = inpw(FM_A(FM_ST1L)) ;
+		stu &= ~ (FM_STECFRMA0 | FM_STEFRMA0 | FM_STEFRMS) ;
+		if (stu || stl)
+			goto again ;
+	}
+
+#ifndef	SYNC
+	if (stu & (FM_STECFRMA0 | /* end of chain asyn tx */
+		   FM_STEFRMA0)) { /* end of frame asyn tx */
+		/* free tx_queue */
+		smc->hw.n_a_send = 0 ;
+		if (++smc->hw.fp.tx_free < smc->hw.fp.tx_max) {
+			start_next_send(smc);
+		}
+		restart_tx = 1 ;
+	}
+#else	/* SYNC */
+	if (stu & (FM_STEFRMA0 |	/* end of asyn tx */
+		    FM_STEFRMS)) {	/* end of sync tx */
+		restart_tx = 1 ;
+	}
+#endif	/* SYNC */
+	if (restart_tx)
+		llc_restart_tx(smc) ;
+}
+#else	/* PCI */
+
+void mac1_irq(smc,stu, stl)
+struct s_smc *smc ;
+u_short stu;
+u_short stl;
+{
+	int	restart_tx = 0 ;
+again:
+
+	/*
+	 * parity error: note encoding error is not possible in tag mode
+	 */
+	if (stl & (FM_SPCEPDS  |	/* parity err. syn.q.*/
+		   FM_SPCEPDA0 |	/* parity err. a.q.0 */
+		   FM_SPCEPDA1)) {	/* parity err. a.q.1 */
+		SMT_PANIC(smc,SMT_E0134, SMT_E0134_MSG) ;
+	}
+	/*
+	 * buffer underrun: can only occur if a tx threshold is specified
+	 */
+	if (stl & (FM_STBURS  |		/* tx buffer underrun syn.q.*/
+		   FM_STBURA0 |		/* tx buffer underrun a.q.0 */
+		   FM_STBURA1)) {	/* tx buffer underrun a.q.2 */
+		SMT_PANIC(smc,SMT_E0133, SMT_E0133_MSG) ;
+	}
+
+	if ( (stu & (FM_SXMTABT |		/* transmit abort */
+		     FM_STXABRS |		/* syn. tx abort */
+		     FM_STXABRA0)) ||		/* asyn. tx abort */
+	     (stl & (FM_SQLCKS |		/* lock for syn. q. */
+		     FM_SQLCKA0)) ) {		/* lock for asyn. q. */
+		formac_tx_restart(smc) ;	/* init tx */
+		restart_tx = 1 ;
+		stu = inpw(FM_A(FM_ST1U)) ;
+		stl = inpw(FM_A(FM_ST1L)) ;
+		stu &= ~ (FM_STECFRMA0 | FM_STEFRMA0 | FM_STEFRMS) ;
+		if (stu || stl)
+			goto again ;
+	}
+
+	if (stu & (FM_STEFRMA0 |	/* end of asyn tx */
+		    FM_STEFRMS)) {	/* end of sync tx */
+		restart_tx = 1 ;
+	}
+
+	if (restart_tx)
+		llc_restart_tx(smc) ;
+}
+#endif	/* PCI */
+/*
+ * interrupt source= plc1
+ * this function is called in nwfbisr.asm
+ */
+void plc1_irq(smc)
+struct s_smc *smc ;
+{
+	u_short	st = inpw(PLC(PB,PL_INTR_EVENT)) ;
+
+#if	(defined(ISA) || defined(EISA))
+	/* reset PLC Int. bits */
+	outpw(PLC1_I,inpw(PLC1_I)) ;
+#endif
+	plc_irq(smc,PB,st) ;
+}
+
+/*
+ * interrupt source= plc2
+ * this function is called in nwfbisr.asm
+ */
+void plc2_irq(smc)
+struct s_smc *smc ;
+{
+	u_short	st = inpw(PLC(PA,PL_INTR_EVENT)) ;
+
+#if	(defined(ISA) || defined(EISA))
+	/* reset PLC Int. bits */
+	outpw(PLC2_I,inpw(PLC2_I)) ;
+#endif
+	plc_irq(smc,PA,st) ;
+}
+
+
+/*
+ * interrupt source= timer
+ */
+void timer_irq(smc)
+struct s_smc *smc ;
+{
+	hwt_restart(smc);
+	smc->hw.t_stop = smc->hw.t_start;
+	smt_timer_done(smc) ;
+}
+
+/*
+ * return S-port (PA or PB)
+ */
+int pcm_get_s_port(smc)
+struct s_smc *smc ;
+{
+	SK_UNUSED(smc) ;
+	return(PS) ;
+}
+
+/*
+ * Station Label = "FDDI-XYZ" where
+ *
+ *	X = connector type
+ *	Y = PMD type
+ *	Z = port type
+ */
+#define STATION_LABEL_CONNECTOR_OFFSET	5
+#define STATION_LABEL_PMD_OFFSET	6
+#define STATION_LABEL_PORT_OFFSET	7
+
+void read_address(smc,mac_addr)
+struct s_smc *smc ;
+u_char *mac_addr ;
+{
+	char ConnectorType ;
+	char PmdType ;
+	int	i ;
+
+	extern const u_char canonical[256] ;
+
+#if	(defined(ISA) || defined(MCA))
+	for (i = 0; i < 4 ;i++) {	/* read mac address from board */
+		smc->hw.fddi_phys_addr.a[i] =
+			canonical[(inpw(PR_A(i+SA_MAC))&0xff)] ;
+	}
+	for (i = 4; i < 6; i++) {
+		smc->hw.fddi_phys_addr.a[i] =
+			canonical[(inpw(PR_A(i+SA_MAC+PRA_OFF))&0xff)] ;
+	}
+#endif
+#ifdef	EISA
+	/*
+	 * Note: We get trouble on an Alpha machine if we make a inpw()
+	 * instead of inp()
+	 */
+	for (i = 0; i < 4 ;i++) {	/* read mac address from board */
+		smc->hw.fddi_phys_addr.a[i] =
+			canonical[inp(PR_A(i+SA_MAC))] ;
+	}
+	for (i = 4; i < 6; i++) {
+		smc->hw.fddi_phys_addr.a[i] =
+			canonical[inp(PR_A(i+SA_MAC+PRA_OFF))] ;
+	}
+#endif
+#ifdef	PCI
+	for (i = 0; i < 6; i++) {	/* read mac address from board */
+		smc->hw.fddi_phys_addr.a[i] =
+			canonical[inp(ADDR(B2_MAC_0+i))] ;
+	}
+#endif
+#ifndef	PCI
+	ConnectorType = inpw(PR_A(SA_PMD_TYPE)) & 0xff ;
+	PmdType = inpw(PR_A(SA_PMD_TYPE+1)) & 0xff ;
+#else
+	ConnectorType = inp(ADDR(B2_CONN_TYP)) ;
+	PmdType = inp(ADDR(B2_PMD_TYP)) ;
+#endif
+
+	smc->y[PA].pmd_type[PMD_SK_CONN] =
+	smc->y[PB].pmd_type[PMD_SK_CONN] = ConnectorType ;
+	smc->y[PA].pmd_type[PMD_SK_PMD ] =
+	smc->y[PB].pmd_type[PMD_SK_PMD ] = PmdType ;
+
+	if (mac_addr) {
+		for (i = 0; i < 6 ;i++) {
+			smc->hw.fddi_canon_addr.a[i] = mac_addr[i] ;
+			smc->hw.fddi_home_addr.a[i] = canonical[mac_addr[i]] ;
+		}
+		return ;
+	}
+	smc->hw.fddi_home_addr = smc->hw.fddi_phys_addr ;
+
+	for (i = 0; i < 6 ;i++) {
+		smc->hw.fddi_canon_addr.a[i] =
+			canonical[smc->hw.fddi_phys_addr.a[i]] ;
+	}
+}
+
+/*
+ * FDDI card soft reset
+ */
+void init_board(smc,mac_addr)
+struct s_smc *smc ;
+u_char *mac_addr ;
+{
+	card_start(smc) ;
+	read_address(smc,mac_addr) ;
+
+#ifndef	PCI
+	if (inpw(CSR_A) & CS_SAS)
+#else
+	if (!(inp(ADDR(B0_DAS)) & DAS_AVAIL))
+#endif
+		smc->s.sas = SMT_SAS ;	/* Single att. station */
+	else
+		smc->s.sas = SMT_DAS ;	/* Dual att. station */
+
+#ifndef	PCI
+	if (inpw(CSR_A) & CS_BYSTAT)
+#else
+	if (!(inp(ADDR(B0_DAS)) & DAS_BYP_ST))
+#endif
+		smc->mib.fddiSMTBypassPresent = 0 ;
+		/* without opt. bypass */
+	else
+		smc->mib.fddiSMTBypassPresent = 1 ;
+		/* with opt. bypass */
+}
+
+/*
+ * insert or deinsert optical bypass (called by ECM)
+ */
+void sm_pm_bypass_req(smc,mode)
+struct s_smc *smc ;
+int mode;
+{
+#if	(defined(ISA) || defined(EISA))
+	int csra_v ;
+#endif
+
+	DB_ECMN(1,"ECM : sm_pm_bypass_req(%s)\n",(mode == BP_INSERT) ?
+					"BP_INSERT" : "BP_DEINSERT",0) ;
+
+	if (smc->s.sas != SMT_DAS)
+		return ;
+
+#if	(defined(ISA) || defined(EISA))
+
+	csra_v = inpw(CSR_A) & ~CS_BYPASS ;
+#ifdef	EISA
+	csra_v |= smc->hw.led ;
+#endif
+
+	switch(mode) {
+	case BP_INSERT :
+		outpw(CSR_A,csra_v | CS_BYPASS) ;
+		break ;
+	case BP_DEINSERT :
+		outpw(CSR_A,csra_v) ;
+		break ;
+	}
+#endif	/* ISA / EISA */
+#ifdef	MCA
+	switch(mode) {
+	case BP_INSERT :
+		outp(ADDR(BYPASS(STAT_INS)),0) ;/* insert station */
+		break ;
+	case BP_DEINSERT :
+		outp(ADDR(BYPASS(STAT_BYP)),0) ;	/* bypass station */
+		break ;
+	}
+#endif
+#ifdef	PCI
+	switch(mode) {
+	case BP_INSERT :
+		outp(ADDR(B0_DAS),DAS_BYP_INS) ;	/* insert station */
+		break ;
+	case BP_DEINSERT :
+		outp(ADDR(B0_DAS),DAS_BYP_RMV) ;	/* bypass station */
+		break ;
+	}
+#endif
+}
+
+/*
+ * check if bypass connected
+ */
+int sm_pm_bypass_present(smc)
+struct s_smc *smc ;
+{
+#ifndef	PCI
+	return(	(inpw(CSR_A) & CS_BYSTAT) ? FALSE : TRUE ) ;
+#else
+	return(	(inp(ADDR(B0_DAS)) & DAS_BYP_ST) ? TRUE: FALSE) ;
+#endif
+}
+
+void plc_clear_irq(smc,p)
+struct s_smc *smc ;
+int p ;
+{
+	SK_UNUSED(p) ;
+
+#if	(defined(ISA) || defined(EISA))
+	switch (p) {
+	case PA :
+		/* reset PLC Int. bits */
+		outpw(PLC2_I,inpw(PLC2_I)) ;
+		break ;
+	case PB :
+		/* reset PLC Int. bits */
+		outpw(PLC1_I,inpw(PLC1_I)) ;
+		break ;
+	}
+#else
+	SK_UNUSED(smc) ;
+#endif
+}
+
+
+/*
+ * led_indication called by rmt_indication() and
+ * pcm_state_change()
+ *
+ * Input:
+ *	smc:	SMT context
+ *	led_event:
+ *	0	Only switch green LEDs according to their respective PCM state
+ *	LED_Y_OFF	just switch yellow LED off
+ *	LED_Y_ON	just switch yello LED on
+ */
+void led_indication(smc,led_event)
+struct s_smc	*smc ;
+int		led_event;
+{
+	/* use smc->hw.mac_ring_is_up == TRUE 
+	 * as indication for Ring Operational
+	 */
+	u_short			led_state ;
+	struct s_phy		*phy ;
+	struct fddi_mib_p	*mib_a ;
+	struct fddi_mib_p	*mib_b ;
+
+	phy = &smc->y[PA] ;
+	mib_a = phy->mib ;
+	phy = &smc->y[PB] ;
+	mib_b = phy->mib ;
+
+#ifdef	EISA
+	/* Ring up = yellow led OFF*/
+	if (led_event == LED_Y_ON) {
+		smc->hw.led |= CS_LED_1 ;
+	}
+	else if (led_event == LED_Y_OFF) {
+		smc->hw.led &= ~CS_LED_1 ;
+	}
+	else {
+		/* Link at Port A or B = green led ON */
+		if (mib_a->fddiPORTPCMState == PC8_ACTIVE ||
+		    mib_b->fddiPORTPCMState == PC8_ACTIVE) {
+			smc->hw.led |= CS_LED_0 ;
+		}
+		else {
+			smc->hw.led &= ~CS_LED_0 ;
+		}
+	}
+#endif
+#ifdef	MCA
+	led_state = inpw(LEDR_A) ;
+	
+	/* Ring up = yellow led OFF*/
+	if (led_event == LED_Y_ON) {
+		led_state |= LED_1 ;
+	}
+	else if (led_event == LED_Y_OFF) {
+		led_state &= ~LED_1 ;
+	}
+	else {
+                led_state &= ~(LED_2|LED_0) ;
+
+		/* Link at Port A = green led A ON */
+		if (mib_a->fddiPORTPCMState == PC8_ACTIVE) {	
+			led_state |= LED_2 ;
+		}
+		
+		/* Link at Port B/S = green led B ON */
+		if (mib_b->fddiPORTPCMState == PC8_ACTIVE) {
+			led_state |= LED_0 ;
+		}
+	}
+
+        outpw(LEDR_A, led_state) ;
+#endif	/* MCA */
+#ifdef	PCI
+        led_state = 0 ;
+	
+	/* Ring up = yellow led OFF*/
+	if (led_event == LED_Y_ON) {
+		led_state |= LED_MY_ON ;
+	}
+	else if (led_event == LED_Y_OFF) {
+		led_state |= LED_MY_OFF ;
+	}
+	else {	/* PCM state changed */
+		/* Link at Port A/S = green led A ON */
+		if (mib_a->fddiPORTPCMState == PC8_ACTIVE) {	
+			led_state |= LED_GA_ON ;
+		}
+		else {
+			led_state |= LED_GA_OFF ;
+		}
+		
+		/* Link at Port B = green led B ON */
+		if (mib_b->fddiPORTPCMState == PC8_ACTIVE) {
+			led_state |= LED_GB_ON ;
+		}
+		else {
+			led_state |= LED_GB_OFF ;
+		}
+	}
+
+        outp(ADDR(B0_LED), led_state) ;
+#endif	/* PCI */
+
+}
+
+
+void pcm_state_change(smc,plc,p_state)
+struct s_smc *smc;
+int plc;
+int p_state;
+{
+	/*
+	 * the current implementation of pcm_state_change() in the driver
+	 * parts must be renamed to drv_pcm_state_change() which will be called
+	 * now after led_indication.
+	 */
+	DRV_PCM_STATE_CHANGE(smc,plc,p_state) ;
+	
+	led_indication(smc,0) ;
+}
+
+
+void rmt_indication(smc,i)
+struct s_smc *smc ;
+int i;
+{
+	/* Call a driver special function if defined */
+	DRV_RMT_INDICATION(smc,i) ;
+
+        led_indication(smc, i ? LED_Y_OFF : LED_Y_ON) ;
+}
+
+
+/*
+ * llc_recover_tx called by init_tx (fplus.c)
+ */
+void llc_recover_tx(smc)
+struct s_smc *smc ;
+{
+#ifdef	LOAD_GEN
+	extern	int load_gen_flag ;
+
+	load_gen_flag = 0 ;
+#endif
+#ifndef	SYNC
+	smc->hw.n_a_send= 0 ;
+#else
+	SK_UNUSED(smc) ;
+#endif
+}
+
+/*--------------------------- DMA init ----------------------------*/
+#ifdef	ISA
+
+/*
+ * init DMA
+ */
+void init_dma(smc,dma)
+struct s_smc *smc;
+int	dma;
+{
+	SK_UNUSED(smc) ;
+
+	/*
+	 * set cascade mode,
+	 * clear mask bit (enable DMA cannal)
+	 */
+	if (dma > 3) {
+		outp(0xd6,(dma & 0x03) | 0xc0) ;
+		outp(0xd4, dma & 0x03) ;
+	}
+	else {
+		outp(0x0b,(dma & 0x03) | 0xc0) ;
+		outp(0x0a,dma & 0x03) ;
+	}
+}
+
+/*
+ * disable DMA
+ */
+void dis_dma(smc,dma)
+struct s_smc *smc ;
+int	dma;
+{
+	SK_UNUSED(smc) ;
+
+	/*
+	 * set mask bit (disable DMA cannal)
+	 */
+	if (dma > 3) {
+		outp(0xd4,(dma & 0x03) | 0x04) ;
+	}
+	else {
+		outp(0x0a,(dma & 0x03) | 0x04) ;
+	}
+}
+
+#endif	/* ISA */
+
+#ifdef	EISA
+
+/*arrays with io adresses of dma controller length and adress registers*/
+static const int cntr[8] = { 0x001,0x003,0x005,0x007,0,0x0c6,0x0ca,0x0ce } ;
+static const int base[8] = { 0x000,0x002,0x004,0x006,0,0x0c4,0x0c8,0x0cc } ;
+static const int page[8] = { 0x087,0x083,0x081,0x082,0,0x08b,0x089,0x08a } ;
+
+void init_dma(smc,dma)
+struct s_smc *smc ;
+int	dma;
+{
+	/*
+	 * extended mode register
+	 * 32 bit IO
+	 * type c
+	 * TC output
+	 * disable stop
+	 */
+
+	/* mode read (write) demand */
+	smc->hw.dma_rmode = (dma & 3) | 0x08 | 0x0 ;
+	smc->hw.dma_wmode = (dma & 3) | 0x04 | 0x0 ;
+
+	/* 32 bit IO's, burst DMA mode (type "C") */
+	smc->hw.dma_emode = (dma & 3) | 0x08 | 0x30 ;
+
+	outp((dma < 4) ? 0x40b : 0x4d6,smc->hw.dma_emode) ;
+
+	/* disable chaining */
+	outp((dma < 4) ? 0x40a : 0x4d4,(dma&3)) ;
+
+	/*load dma controller addresses for fast access during set dma*/
+	smc->hw.dma_base_word_count = cntr[smc->hw.dma];
+	smc->hw.dma_base_address = base[smc->hw.dma];
+	smc->hw.dma_base_address_page = page[smc->hw.dma];
+
+}
+
+void dis_dma(smc,dma)
+struct s_smc *smc ;
+int	dma;
+{
+	SK_UNUSED(smc) ;
+
+	outp((dma < 4) ? 0x0a : 0xd4,(dma&3)|4) ;/* mask bit */
+}
+#endif	/* EISA */
+
+#ifdef	MCA
+void init_dma(smc,dma)
+struct s_smc *smc;
+int	dma;
+{
+	SK_UNUSED(smc) ;
+	SK_UNUSED(dma) ;
+}
+void dis_dma(smc,dma)
+struct s_smc *smc;
+int	dma;
+{
+	SK_UNUSED(smc) ;
+	SK_UNUSED(dma) ;
+}
+#endif
+
+#ifdef	PCI
+void init_dma(smc,dma)
+struct s_smc *smc;
+int	dma;
+{
+	SK_UNUSED(smc) ;
+	SK_UNUSED(dma) ;
+}
+void dis_dma(smc,dma)
+struct s_smc *smc;
+int	dma;
+{
+	SK_UNUSED(smc) ;
+	SK_UNUSED(dma) ;
+}
+#endif
+
+#ifdef MULT_OEM
+static int is_equal_num(comp1,comp2,num)
+char comp1[] ;
+char comp2[] ;
+int num ;
+{
+	int i ;
+
+	for (i = 0 ; i < num ; i++) {
+		if (comp1[i] != comp2[i])
+			return (0) ;
+	}
+		return (1) ;
+}	/* is_equal_num */
+
+
+/*
+ * set the OEM ID defaults, and test the contents of the OEM data base
+ * The default OEM is the first ACTIVE entry in the OEM data base 
+ *
+ * returns:	0	success
+ *		1	error in data base
+ *		2	data base empty
+ *		3	no active entry	
+ */
+int set_oi_id_def(smc)
+struct s_smc *smc ;
+{
+	int sel_id ;
+	int i ;
+	int act_entries ;
+
+	i = 0 ;
+	sel_id = -1 ;
+	act_entries = FALSE ;
+	smc->hw.oem_id = 0 ;
+	smc->hw.oem_min_status = OI_STAT_ACTIVE ;
+	
+	/* check OEM data base */
+	while (oem_ids[i].oi_status) {
+		switch (oem_ids[i].oi_status) {
+		case OI_STAT_ACTIVE:
+			act_entries = TRUE ;	/* we have active IDs */
+			if (sel_id == -1)
+				sel_id = i ;	/* save the first active ID */
+		case OI_STAT_VALID:
+		case OI_STAT_PRESENT:
+			i++ ;
+			break ;			/* entry ok */
+		default:
+			return (1) ;		/* invalid oi_status */
+		}
+	}
+
+	if (i == 0)
+		return (2) ;
+	if (!act_entries)
+		return (3) ;
+
+	/* ok, we have a valid OEM data base with an active entry */
+	smc->hw.oem_id = (struct s_oem_ids *)  &oem_ids[sel_id] ;
+	return (0) ;
+}
+#endif	/* MULT_OEM */
+
+
+#ifdef	MCA
+/************************
+ *
+ * BEGIN_MANUAL_ENTRY()
+ *
+ *	exist_board
+ *
+ *	Check if an MCA board is present in the specified slot.
+ *
+ *	int exist_board(
+ *		struct s_smc *smc,
+ *		int slot) ;
+ * In
+ *	smc - A pointer to the SMT Context struct.
+ *
+ *	slot - The number of the slot to inspect.
+ * Out
+ *	0 = No adapter present.
+ *	1 = Found FM1 adapter.
+ *
+ * Pseudo
+ *      Read MCA ID
+ *	for all valid OEM_IDs
+ *		compare with ID read
+ *		if equal, return 1
+ *	return(0
+ *
+ * Note
+ *	The smc pointer must be valid now.
+ *
+ * END_MANUAL_ENTRY()
+ *
+ ************************/
+#define LONG_CARD_ID(lo, hi)	((((hi) & 0xff) << 8) | ((lo) & 0xff))
+int exist_board(smc,slot)
+struct s_smc *smc ;
+int	slot ;
+{
+#ifdef MULT_OEM
+	SK_LOC_DECL(u_char,id[2]) ;
+	int idi ;
+#endif	/* MULT_OEM */
+
+	/* No longer valid. */
+	if (smc == NULL)
+		return(0) ;
+
+#ifndef MULT_OEM
+	if (read_card_id(smc, slot)
+		== LONG_CARD_ID(OEMID(smc,0), OEMID(smc,1)))
+		return (1) ;	/* Found FM adapter. */
+
+#else	/* MULT_OEM */
+	idi = read_card_id(smc, slot) ;
+	id[0] = idi & 0xff ;
+	id[1] = idi >> 8 ;
+
+        smc->hw.oem_id = (struct s_oem_ids *) &oem_ids[0] ;
+	for (; smc->hw.oem_id->oi_status != OI_STAT_LAST; smc->hw.oem_id++) {
+		if (smc->hw.oem_id->oi_status < smc->hw.oem_min_status)
+			continue ;
+
+		if (is_equal_num(&id[0],&OEMID(smc,0),2))
+			return (1) ;
+	}
+#endif	/* MULT_OEM */
+	return (0) ;	/* No adapter found. */
+}
+
+/************************
+ *
+ *	read_card_id
+ *
+ *	Read the MCA card id from the specified slot.
+ * In
+ *	smc - A pointer to the SMT Context struct.
+ *	CAVEAT: This pointer may be NULL and *must not* be used within this
+ *	function. It's only purpose is for drivers that need some information
+ *	for the inp() and outp() macros.
+ *
+ *	slot - The number of the slot for which the card id is returned.
+ * Out
+ *	Returns the card id read from the specified slot. If an illegal slot
+ *	number is specified, the function returns zero.
+ *
+ ************************/
+static int read_card_id(smc,slot)
+struct s_smc *smc ;	/* Do not use. */
+int slot ;
+{
+	int card_id ;
+
+	SK_UNUSED(smc) ;	/* Make LINT happy. */
+	if ((slot < 1) || (slot > 15))	/* max 16 slots, 0 = motherboard */
+		return (0) ;	/* Illegal slot number specified. */
+
+	EnableSlotAccess(smc, slot) ;
+
+	card_id = ((read_POS(smc,POS_ID_HIGH,slot - 1) & 0xff) << 8) |
+				(read_POS(smc,POS_ID_LOW,slot - 1) & 0xff) ;
+
+	DisableSlotAccess(smc) ;
+
+	return (card_id) ;
+}
+
+/************************
+ *
+ * BEGIN_MANUAL_ENTRY()
+ *
+ *	get_board_para
+ *
+ *	Get adapter configuration information. Fill all board specific
+ *	parameters within the 'smc' structure.
+ *
+ *	int get_board_para(
+ *		struct s_smc *smc,
+ *		int slot) ;
+ * In
+ *	smc - A pointer to the SMT Context struct, to which this function will
+ *	write some adapter configuration data.
+ *
+ *	slot - The number of the slot, in which the adapter is installed.
+ * Out
+ *	0 = No adapter present.
+ *	1 = Ok.
+ *	2 = Adapter present, but card enable bit not set.
+ *
+ * END_MANUAL_ENTRY()
+ *
+ ************************/
+int get_board_para(smc,slot)
+struct s_smc *smc ;
+int slot ;
+{
+	int val ;
+	int i ;
+
+	/* Check if adapter present & get type of adapter. */
+	switch (exist_board(smc, slot)) {
+	case 0:	/* Adapter not present. */
+		return (0) ;
+	case 1:	/* FM Rev. 1 */
+		smc->hw.rev = FM1_REV ;
+		smc->hw.VFullRead = 0x0a ;
+		smc->hw.VFullWrite = 0x05 ;
+		smc->hw.DmaWriteExtraBytes = 8 ;	/* 2 extra words. */
+		break ;
+	}
+	smc->hw.slot = slot ;
+
+	EnableSlotAccess(smc, slot) ;
+
+	if (!(read_POS(smc,POS_102, slot - 1) & POS_CARD_EN)) {
+		DisableSlotAccess(smc) ;
+		return (2) ;	/* Card enable bit not set. */
+	}
+
+	val = read_POS(smc,POS_104, slot - 1) ;	/* I/O, IRQ */
+
+#ifndef MEM_MAPPED_IO	/* is defined by the operating system */
+	i = val & POS_IOSEL ;	/* I/O base addr. (0x0200 .. 0xfe00) */
+	smc->hw.iop = (i + 1) * 0x0400 - 0x200 ;
+#endif
+	i = ((val & POS_IRQSEL) >> 6) & 0x03 ;	/* IRQ <0, 1> */
+	smc->hw.irq = opt_ints[i] ;
+
+	/* FPROM base addr. */
+	i = ((read_POS(smc,POS_103, slot - 1) & POS_MSEL) >> 4) & 0x07 ;
+	smc->hw.eprom = opt_eproms[i] ;
+
+	DisableSlotAccess(smc) ;
+
+	/* before this, the smc->hw.iop must be set !!! */
+	smc->hw.slot_32 = inpw(CSF_A) & SLOT_32 ;
+
+	return (1) ;
+}
+
+/* Enable access to specified MCA slot. */
+static void EnableSlotAccess(smc,slot)
+struct s_smc *smc ;
+int slot ;
+{
+	SK_UNUSED(slot) ;
+
+#ifndef AIX
+	SK_UNUSED(smc) ;
+
+	/* System mode. */
+	outp(POS_SYS_SETUP, POS_SYSTEM) ;
+
+	/* Select slot. */
+	outp(POS_CHANNEL_POS, POS_CHANNEL_BIT | (slot-1)) ;
+#else
+	attach_POS_addr (smc) ;
+#endif
+}
+
+/* Disable access to MCA slot formerly enabled via EnableSlotAccess(). */
+static void DisableSlotAccess(smc)
+struct s_smc *smc ;
+{
+#ifndef AIX
+	SK_UNUSED(smc) ;
+
+	outp(POS_CHANNEL_POS, 0) ;
+#else
+	detach_POS_addr (smc) ;
+#endif
+}
+#endif	/* MCA */
+
+#ifdef	EISA
+#ifndef	MEM_MAPPED_IO
+#define	SADDR(slot)	(((slot)<<12)&0xf000)
+#else	/* MEM_MAPPED_IO */
+#define	SADDR(slot)	(smc->hw.iop)
+#endif	/* MEM_MAPPED_IO */
+
+/************************
+ *
+ * BEGIN_MANUAL_ENTRY()
+ *
+ *	exist_board
+ *
+ *	Check if an EISA board is present in the specified slot.
+ *
+ *	int exist_board(
+ *		struct s_smc *smc,
+ *		int slot) ;
+ * In
+ *	smc - A pointer to the SMT Context struct.
+ *
+ *	slot - The number of the slot to inspect.
+ * Out
+ *	0 = No adapter present.
+ *	1 = Found adapter.
+ *
+ * Pseudo
+ *      Read EISA ID
+ *	for all valid OEM_IDs
+ *		compare with ID read
+ *		if equal, return 1
+ *	return(0
+ *
+ * Note
+ *	The smc pointer must be valid now.
+ *
+ ************************/
+int exist_board(smc,slot)
+struct s_smc *smc ;
+int	slot ;
+{
+	int i ;
+#ifdef MULT_OEM
+	SK_LOC_DECL(u_char,id[4]) ;
+#endif	/* MULT_OEM */
+
+	/* No longer valid. */
+	if (smc == NULL)
+		return(0);
+
+	SK_UNUSED(slot) ;
+
+#ifndef MULT_OEM
+	for (i = 0 ; i < 4 ; i++) {
+		if (inp(SADDR(slot)+PRA(i)) != OEMID(smc,i))
+			return(0) ;
+	}
+	return(1) ;
+#else	/* MULT_OEM */
+	for (i = 0 ; i < 4 ; i++)
+		id[i] = inp(SADDR(slot)+PRA(i)) ;
+
+	smc->hw.oem_id = (struct s_oem_ids *) &oem_ids[0] ;
+
+	for (; smc->hw.oem_id->oi_status != OI_STAT_LAST; smc->hw.oem_id++) {
+		if (smc->hw.oem_id->oi_status < smc->hw.oem_min_status)
+			continue ;
+
+		if (is_equal_num(&id[0],&OEMID(smc,0),4))
+			return (1) ;
+	}
+	return (0) ;	/* No adapter found. */
+#endif	/* MULT_OEM */
+}
+
+
+int get_board_para(smc,slot)
+struct s_smc *smc ;
+int	slot ;
+{
+	int	i ;
+
+	if (!exist_board(smc,slot))
+		return(0) ;
+
+	smc->hw.slot = slot ;
+#ifndef	MEM_MAPPED_IO		/* if defined by the operating system */
+	smc->hw.iop = SADDR(slot) ;
+#endif
+
+	if (!(inp(C0_A(0))&CFG_CARD_EN)) {
+		return(2) ;			/* CFG_CARD_EN bit not set! */
+	}
+
+	smc->hw.irq = opt_ints[(inp(C1_A(0)) & CFG_IRQ_SEL)] ;
+	smc->hw.dma = opt_dmas[((inp(C1_A(0)) & CFG_DRQ_SEL)>>3)] ;
+
+	if ((i = inp(C2_A(0)) & CFG_EPROM_SEL) != 0x0f)
+		smc->hw.eprom = opt_eproms[i] ;
+	else
+		smc->hw.eprom = 0 ;
+
+	smc->hw.DmaWriteExtraBytes = 8 ;
+
+	return(1) ;
+}
+#endif	/* EISA */
+
+#ifdef	ISA
+#ifndef MULT_OEM
+const u_char sklogo[6] = SKLOGO_STR ;
+#define	SIZE_SKLOGO(smc)	sizeof(sklogo)
+#define	SKLOGO(smc,i)		sklogo[i]
+#else	/* MULT_OEM */
+#define	SIZE_SKLOGO(smc)	smc->hw.oem_id->oi_logo_len
+#define	SKLOGO(smc,i)		smc->hw.oem_id->oi_logo[i]
+#endif	/* MULT_OEM */
+
+
+int exist_board(smc,port)
+struct s_smc *smc ;
+HW_PTR	port ;
+{
+	int	i ;
+#ifdef MULT_OEM
+	int	bytes_read ;
+	u_char	board_logo[15] ;
+	SK_LOC_DECL(u_char,id[4]) ;
+#endif	/* MULT_OEM */
+
+	/* No longer valid. */
+	if (smc == NULL)
+		return(0);
+
+	SK_UNUSED(smc) ;
+#ifndef MULT_OEM
+	for (i = SADDRL ; i < (signed) (SADDRL+SIZE_SKLOGO(smc)) ; i++) {
+		if ((u_char)inpw((PRA(i)+port)) != SKLOGO(smc,i-SADDRL)) {
+			return(0) ;
+		}
+	}
+
+	/* check MAC address (S&K or other) */
+	for (i = 0 ; i < 3 ; i++) {
+		if ((u_char)inpw((PRA(i)+port)) != OEMID(smc,i))
+			return(0) ;
+	}
+	return(1) ;
+#else	/* MULT_OEM */
+        smc->hw.oem_id = (struct s_oem_ids *)  &oem_ids[0] ;
+	board_logo[0] = (u_char)inpw((PRA(SADDRL)+port)) ;
+	bytes_read = 1 ;
+
+	for (; smc->hw.oem_id->oi_status != OI_STAT_LAST; smc->hw.oem_id++) {
+		if (smc->hw.oem_id->oi_status < smc->hw.oem_min_status)
+			continue ;
+
+		/* Test all read bytes with current OEM_entry */
+		/* for (i=0; (i<bytes_read) && (i < SIZE_SKLOGO(smc)); i++) { */
+		for (i = 0; i < bytes_read; i++) {
+			if (board_logo[i] != SKLOGO(smc,i))
+				break ;
+		}
+
+		/* If mismatch, switch to next OEM entry */
+		if ((board_logo[i] != SKLOGO(smc,i)) && (i < bytes_read))
+			continue ;
+
+		--i ;
+		while (bytes_read < SIZE_SKLOGO(smc)) {
+			//   inpw next byte SK_Logo
+			i++ ;
+			board_logo[i] = (u_char)inpw((PRA(SADDRL+i)+port)) ;
+			bytes_read++ ;
+			if (board_logo[i] != SKLOGO(smc,i))
+				break ;
+		}
+
+		for (i = 0 ; i < 3 ; i++)
+			id[i] = (u_char)inpw((PRA(i)+port)) ;
+
+		if ((board_logo[i] == SKLOGO(smc,i))
+			&& (bytes_read == SIZE_SKLOGO(smc))) {
+
+			if (is_equal_num(&id[0],&OEMID(smc,0),3))
+				return(1);
+		}
+	}	/* for */
+	return(0) ;
+#endif	/* MULT_OEM */
+}
+
+int get_board_para(smc,slot)
+struct s_smc *smc ;
+int	slot ;
+{
+	SK_UNUSED(smc) ;
+	SK_UNUSED(slot) ;
+	return(0) ;	/* for ISA not supported */
+}
+#endif	/* ISA */
+
+#ifdef PCI
+#ifdef USE_BIOS_FUN
+int exist_board(smc,slot)
+struct s_smc *smc ;
+int	slot ;
+{
+	u_short dev_id ;
+	u_short ven_id ;
+	int found ; 
+	int i ;
+
+	found = FALSE ;		/* make sure we returned with adatper not found*/
+				/* if an empty oemids.h was included */
+
+#ifdef MULT_OEM
+        smc->hw.oem_id = (struct s_oem_ids *) &oem_ids[0] ;
+	for (; smc->hw.oem_id->oi_status != OI_STAT_LAST; smc->hw.oem_id++) {
+		if (smc->hw.oem_id->oi_status < smc->hw.oem_min_status)
+			continue ;
+#endif
+		ven_id = OEMID(smc,0) + (OEMID(smc,1) << 8) ; 
+		dev_id = OEMID(smc,2) + (OEMID(smc,3) << 8) ; 
+		for (i = 0; i < slot; i++) {
+			if (pci_find_device(i,&smc->hw.pci_handle,
+				dev_id,ven_id) != 0) {
+
+				found = FALSE ;
+			} else {
+				found = TRUE ;
+			}
+		}
+		if (found) {
+			return(1) ;	/* adapter was found */
+		}
+#ifdef MULT_OEM
+	}
+#endif
+	return(0) ;	/* adapter was not found */
+}
+#endif	/* PCI */
+#endif	/* USE_BIOS_FUNC */
+
+void driver_get_bia(smc, bia_addr)
+struct s_smc *smc ;
+struct fddi_addr *bia_addr ;
+{
+	int i ;
+
+	extern const u_char canonical[256] ;
+
+	for (i = 0 ; i < 6 ; i++) {
+		bia_addr->a[i] = canonical[smc->hw.fddi_phys_addr.a[i]] ;
+	}
+}
+
+void smt_start_watchdog(smc)
+struct s_smc *smc ;
+{
+	SK_UNUSED(smc) ;	/* Make LINT happy. */
+
+#ifndef	DEBUG
+
+#ifdef	PCI
+	if (smc->hw.wdog_used) {
+		outpw(ADDR(B2_WDOG_CRTL),TIM_START) ;	/* Start timer. */
+	}
+#endif
+
+#endif	/* DEBUG */
+}
+
+void smt_stop_watchdog(smc)
+struct s_smc *smc ;
+{
+	SK_UNUSED(smc) ;	/* Make LINT happy. */
+#ifndef	DEBUG
+
+#ifdef	PCI
+	if (smc->hw.wdog_used) {
+		outpw(ADDR(B2_WDOG_CRTL),TIM_STOP) ;	/* Stop timer. */
+	}
+#endif
+
+#endif	/* DEBUG */
+}
+
+#ifdef	PCI
+static char get_rom_byte(smc,addr)
+struct s_smc *smc ;
+u_short	addr ;
+{
+	GET_PAGE(addr) ;
+	return (READ_PROM(ADDR(B2_FDP))) ;
+}
+
+/*
+ * ROM image defines
+ */
+#define	ROM_SIG_1	0
+#define ROM_SIG_2	1
+#define PCI_DATA_1	0x18
+#define PCI_DATA_2	0x19
+
+/*
+ * PCI data structure defines
+ */
+#define	VPD_DATA_1	0x08
+#define	VPD_DATA_2	0x09
+#define IMAGE_LEN_1	0x10
+#define IMAGE_LEN_2	0x11
+#define	CODE_TYPE	0x14
+#define	INDICATOR	0x15
+
+/*
+ *	BEGIN_MANUAL_ENTRY(mac_drv_vpd_read)
+ *	mac_drv_vpd_read(smc,buf,size,image)
+ *
+ * function	DOWNCALL	(FDDIWARE)
+ *		reads the VPD data of the FPROM and writes it into the
+ *		buffer
+ *
+ * para	buf	points to the buffer for the VPD data
+ *	size	size of the VPD data buffer
+ *	image	boot image; code type of the boot image
+ *		image = 0	Intel x86, PC-AT compatible
+ *			1	OPENBOOT standard for PCI
+ *			2-FF	reserved
+ *
+ * returns	len	number of VPD data bytes read form the FPROM
+ *		<0	number of read bytes
+ *		>0	error: data invalid
+ *
+ *	END_MANUAL_ENTRY
+ */
+int mac_drv_vpd_read(smc,buf,size,image)
+struct s_smc *smc ;
+char *buf ;
+int size ;
+char image ;
+{
+	u_short	ibase ;
+	u_short pci_base ;
+	u_short vpd ;
+	int	len ;
+
+	len = 0 ;
+	ibase = 0 ;
+	/*
+	 * as long images defined
+	 */
+	while (get_rom_byte(smc,ibase+ROM_SIG_1) == 0x55 &&
+		(u_char) get_rom_byte(smc,ibase+ROM_SIG_2) == 0xaa) {
+		/*
+		 * get the pointer to the PCI data structure
+		 */
+		pci_base = ibase + get_rom_byte(smc,ibase+PCI_DATA_1) +
+				(get_rom_byte(smc,ibase+PCI_DATA_2) << 8) ;
+
+		if (image == get_rom_byte(smc,pci_base+CODE_TYPE)) {
+			/*
+			 * we have the right image, read the VPD data
+			 */
+			vpd = ibase + get_rom_byte(smc,pci_base+VPD_DATA_1) +
+				(get_rom_byte(smc,pci_base+VPD_DATA_2) << 8) ;
+			if (vpd == ibase) {
+				break ;		/* no VPD data */
+			}
+			for (len = 0; len < size; len++,buf++,vpd++) {
+				*buf = get_rom_byte(smc,vpd) ;
+			}
+			break ;
+		}
+		else {
+			/*
+			 * try the next image
+			 */
+			if (get_rom_byte(smc,pci_base+INDICATOR) & 0x80) {
+				break ;		/* this was the last image */
+			}
+			ibase = ibase + get_rom_byte(smc,ibase+IMAGE_LEN_1) +
+				(get_rom_byte(smc,ibase+IMAGE_LEN_2) << 8) ;
+		}
+	}
+
+	return(len) ;
+}
+
+void mac_drv_pci_fix(smc,fix_value)
+struct s_smc *smc ;
+u_long fix_value ;
+{
+	smc->hw.pci_fix_value = fix_value ;
+}
+
+void mac_do_pci_fix(smc)
+struct s_smc *smc ;
+{
+	SK_UNUSED(smc) ;
+}
+#endif	/* PCI */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)