Added missing tegra files.HEADmaster

1 files changed, 584 insertions, 0 deletions

diff --git a/drivers/net/skfp/drvfbi.c b/drivers/net/skfp/drvfbi.c
new file mode 100644
index 00000000000..07da97c303d
--- /dev/null
+++ b/drivers/net/skfp/drvfbi.c
@@ -0,0 +1,584 @@
+/******************************************************************************
+ *
+ *      (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"
+#include <linux/bitrev.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:
+ */
+
+/*
+ *      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
+const u_char oem_id[] = "xPOS_ID:xxxx" ;
+#else   /* OEM_CONCEPT */
+const u_char oem_id[] = OEM_ID ;
+#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 */
+#ifdef AIX
+extern int AIX_vpdReadByte() ;
+#endif
+
+
+/* Prototype of a local function. */
+static void smt_stop_watchdog(struct s_smc *smc);
+
+/*
+ * FDDI card reset
+ */
+static void card_start(struct s_smc *smc)
+{
+        int i ;
+#ifdef  PCI
+        u_char  rev_id ;
+        u_short word;
+#endif
+
+        smt_stop_watchdog(smc) ;
+
+#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(struct s_smc *smc)
+{
+        smt_stop_watchdog(smc) ;
+        smc->hw.mac_ring_is_up = 0 ;            /* ring down */
+
+#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 ----------------------------------*/
+
+void mac1_irq(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) ;
+}
+
+/*
+ * interrupt source= plc1
+ * this function is called in nwfbisr.asm
+ */
+void plc1_irq(struct s_smc *smc)
+{
+        u_short st = inpw(PLC(PB,PL_INTR_EVENT)) ;
+
+        plc_irq(smc,PB,st) ;
+}
+
+/*
+ * interrupt source= plc2
+ * this function is called in nwfbisr.asm
+ */
+void plc2_irq(struct s_smc *smc)
+{
+        u_short st = inpw(PLC(PA,PL_INTR_EVENT)) ;
+
+        plc_irq(smc,PA,st) ;
+}
+
+
+/*
+ * interrupt source= timer
+ */
+void timer_irq(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(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(struct s_smc *smc, u_char *mac_addr)
+{
+        char ConnectorType ;
+        char PmdType ;
+        int     i ;
+
+#ifdef  PCI
+        for (i = 0; i < 6; i++) {       /* read mac address from board */
+                smc->hw.fddi_phys_addr.a[i] =
+                        bitrev8(inp(ADDR(B2_MAC_0+i)));
+        }
+#endif
+
+        ConnectorType = inp(ADDR(B2_CONN_TYP)) ;
+        PmdType = inp(ADDR(B2_PMD_TYP)) ;
+
+        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] = bitrev8(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] =
+                        bitrev8(smc->hw.fddi_phys_addr.a[i]);
+        }
+}
+
+/*
+ * FDDI card soft reset
+ */
+void init_board(struct s_smc *smc, u_char *mac_addr)
+{
+        card_start(smc) ;
+        read_address(smc,mac_addr) ;
+
+        if (!(inp(ADDR(B0_DAS)) & DAS_AVAIL))
+                smc->s.sas = SMT_SAS ;  /* Single att. station */
+        else
+                smc->s.sas = SMT_DAS ;  /* Dual att. station */
+
+        if (!(inp(ADDR(B0_DAS)) & DAS_BYP_ST))
+                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(struct s_smc *smc, int mode)
+{
+        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 ;
+
+#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(struct s_smc *smc)
+{
+        return (inp(ADDR(B0_DAS)) & DAS_BYP_ST) ? TRUE : FALSE;
+}
+
+void plc_clear_irq(struct s_smc *smc, int p)
+{
+        SK_UNUSED(p) ;
+
+        SK_UNUSED(smc) ;
+}
+
+
+/*
+ * 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
+ */
+static void led_indication(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  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(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(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(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
+}
+
+#ifdef MULT_OEM
+static int is_equal_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(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 */
+
+void driver_get_bia(struct s_smc *smc, struct fddi_addr *bia_addr)
+{
+        int i ;
+
+        for (i = 0 ; i < 6 ; i++)
+                bia_addr->a[i] = bitrev8(smc->hw.fddi_phys_addr.a[i]);
+}
+
+void smt_start_watchdog(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 */
+}
+
+static void smt_stop_watchdog(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
+
+void mac_do_pci_fix(struct s_smc *smc)
+{
+        SK_UNUSED(smc) ;
+}
+#endif  /* PCI */
+