Return to DECchip21040.m CVS log

Up to [Apple Darwin 0.x] / kernel / bsd / dev / ppc / drvDECchip21040

Annotation of kernel/bsd/dev/ppc/drvDECchip21040/DECchip21040.m, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  * Copyright (c) 1995-1996 NeXT Software, Inc.
        !            27:  *
        !            28:  * HISTORY
        !            29:  *
        !            30:  * 11-Dec-95   Dieter Siegmund at NeXT ([email protected])
        !            31:  *             Split out 21040 and 21041 into separate personalities
        !            32:  */
        !            33: 
        !            34: #import "DECchip21040.h"
        !            35: 
        !            36: //#define DEBUG
        !            37: 
        !            38: #import "DECchip2104xInline.h"
        !            39: 
        !            40: @implementation DECchip21040
        !            41: 
        !            42: /*
        !            43:  * Public Instance Methods
        !            44:  */
        !            45: 
        !            46: - initFromDeviceDescription:(IODeviceDescription *)devDesc
        !            47: {
        !            48:     IOPCIDevice *deviceDescription = (IOPCIDevice *)devDesc;
        !            49:     const char  *interface;
        !            50: 
        !            51:     if ([super initFromDeviceDescription:devDesc] == nil) {
        !            52:        return nil;
        !            53:     }
        !            54: 
        !            55: #ifdef PERF
        !            56:     perfQ = perfGetQueue(OUR_PRODUCER_NAME, &ourProducerId, 0);
        !            57:     if (!perfQ)
        !            58:        IOLog("%s: perfGetQueue failed\n", OUR_PRODUCER_NAME);
        !            59:     else {
        !            60:        IOLog("%s: perf logging enabled\n", OUR_PRODUCER_NAME);
        !            61:        ev_p.len = sizeof(ev_p);
        !            62:        ev_p.producerId = ourProducerId;
        !            63:     }
        !            64: #endif PERF
        !            65: 
        !            66:     [self mapMemoryRange:2 to:(vm_address_t *)&ioBase
        !            67:          findSpace:YES cache:IO_CacheOff];
        !            68:     
        !            69:     irq = [deviceDescription interrupt];
        !            70: 
        !            71:     /* Select network interface */
        !            72:     connector = connectorAUTO_e; /* default is auto select */
        !            73:     interface = [[deviceDescription configTable] 
        !            74:                        valueForStringKey: NETWORK_INTERFACE];
        !            75:     if (interface != NULL) {
        !            76:        int i;
        !            77: 
        !            78:        for (i = 0; i < NUM_CONNECTOR_TYPES; i++) {
        !            79:            if (strcmp(interface, connectorType(i)) == 0) {
        !            80:                connector = i;
        !            81:                break;
        !            82:            }
        !            83:        }
        !            84:     }
        !            85: 
        !            86:     [self getStationAddress:&myAddress];
        !            87:     
        !            88:     if ([self _allocateMemory] == NO) {
        !            89:         [self free];
        !            90:        return nil;
        !            91:     }
        !            92:     
        !            93:     isPromiscuous = NO;
        !            94:     multicastEnabled = NO;
        !            95: 
        !            96:     /* Inform user what we are upto here */
        !            97:     IOLog("DECchip21040 based adapter at port 0x%0x irq %d", 
        !            98:         ioBase, irq);
        !            99:     
        !           100:     if (connector != connectorAUTO_e) {
        !           101:        IOLog(" interface %s", interface);
        !           102:     }
        !           103:     IOLog("\n");
        !           104:     
        !           105:     if (![self resetAndEnable:NO]) {
        !           106:        [self free];
        !           107:        return nil;
        !           108:     }
        !           109:     
        !           110:     networkInterface = [super attachToNetworkWithAddress:myAddress];
        !           111:     
        !           112:     return self;
        !           113: }
        !           114: 
        !           115: - (void)getStationAddress:(enet_addr_t *)ea
        !           116: {
        !           117:     getStationAddress(ioBase, ea);
        !           118: }
        !           119: 
        !           120: /*
        !           121:  * These are the magic values that need to be written to CSR 12, 14 and 15 to
        !           122:  * enable appropriate network interfaces. These values are from the
        !           123:  * respective hardware docs. 
        !           124:  */
        !           125: #define DEC_21040_RESET_SIA            0x0
        !           126: 
        !           127: #define DEC_21040_SIA0_10BT            0x00008f01
        !           128: #define DEC_21040_SIA1_10BT            0x0000ffff
        !           129: #define DEC_21040_SIA2_10BT            0x00000000
        !           130: 
        !           131: #define DEC_21040_SIA0_AUI             0x0000ef09
        !           132: #define DEC_21040_SIA1_AUI             0x00000705
        !           133: #define DEC_21040_SIA2_AUI             0x00000006
        !           134: 
        !           135: #define DEC_21040_SIA0_EXT             0x00008f09
        !           136: #define DEC_21040_SIA1_EXT             0x00000705
        !           137: #define DEC_21040_SIA2_EXT             0x00000006
        !           138: 
        !           139: - (void)_setInterface:(connector_t)netInterface
        !           140: {
        !           141:     writeCsr(ioBase, DEC_21X40_CSR13, DEC_21040_RESET_SIA);
        !           142:     IOSleep(1);
        !           143:     switch (netInterface) {
        !           144:       case connectorTP_e:
        !           145:        writeCsr(ioBase, DEC_21X40_CSR15, DEC_21040_SIA2_10BT);
        !           146:        writeCsr(ioBase, DEC_21X40_CSR14, DEC_21040_SIA1_10BT);
        !           147:        writeCsr(ioBase, DEC_21X40_CSR13, DEC_21040_SIA0_10BT);
        !           148:        break;
        !           149:       case connectorAUI_e:
        !           150:        writeCsr(ioBase, DEC_21X40_CSR15, DEC_21040_SIA2_AUI);
        !           151:        writeCsr(ioBase, DEC_21X40_CSR14, DEC_21040_SIA1_AUI);
        !           152:        writeCsr(ioBase, DEC_21X40_CSR13, DEC_21040_SIA0_AUI);
        !           153:        break;
        !           154:       case connectorBNC_e:
        !           155:        writeCsr(ioBase, DEC_21X40_CSR15, DEC_21040_SIA2_EXT);
        !           156:        writeCsr(ioBase, DEC_21X40_CSR14, DEC_21040_SIA1_EXT);
        !           157:        writeCsr(ioBase, DEC_21X40_CSR13, DEC_21040_SIA0_EXT);
        !           158:        break;
        !           159:       default:
        !           160:        break;
        !           161:     }
        !           162:     IODelay(100);
        !           163:     connector = netInterface;
        !           164: }
        !           165: 
        !           166: - (void)selectInterface
        !           167: {
        !           168:     csrRegUnion reg;
        !           169:     unsigned int time;
        !           170:     
        !           171:     /*
        !           172:      * Auto-selection is done only once. 
        !           173:      */
        !           174:     if (connector != connectorAUTO_e) {
        !           175:        [self _setInterface:connector];
        !           176:        return;
        !           177:     }
        !           178:     
        !           179:     /*
        !           180:      * Try 10Base-T
        !           181:      */
        !           182:     [self _setInterface:connectorTP_e];
        !           183:     
        !           184:     /*
        !           185:      * Check the SIA TP Link status
        !           186:      */
        !           187:     time = 1000;
        !           188:     while (--time) {
        !           189:        IODelay(1000);
        !           190:        reg.data = readCsr(ioBase, DEC_21X40_CSR12);
        !           191:        if (reg.csr12.lkf == 0) {
        !           192: #ifdef DEBUG
        !           193:            IOLog("%s: Using RJ-45 connector\n", [self name]);
        !           194: #endif DEBUG
        !           195:            return;
        !           196:        }
        !           197:     }
        !           198:     
        !           199:     /*
        !           200:      * Try AUI now
        !           201:      */
        !           202:     [self _setInterface:connectorAUI_e];
        !           203:     
        !           204:     time = 1000;
        !           205:     while (--time) {
        !           206:        IODelay(1000);
        !           207:        reg.data = readCsr(ioBase, DEC_21X40_CSR12);
        !           208:        if (reg.csr12.ncr == 1) {
        !           209: #ifdef DEBUG
        !           210:            IOLog("%s: Using BNC connector\n", [self name]);
        !           211: #endif DEBUG   
        !           212:            [self _setInterface:connectorBNC_e];
        !           213:            return;
        !           214:        }
        !           215:     }
        !           216:     
        !           217: #ifdef DEBUG
        !           218:     IOLog("%s: Using AUI connector\n", [self name]);
        !           219: #endif DEBUG   
        !           220: }
        !           221: 
        !           222: @end
        !           223: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.