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Annotation of XNU/iokit/Drivers/network/drvIntel82557/i82557eeprom.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (c) 1996 NeXT Software, Inc.
        !            24:  *
        !            25:  * i82557eeprom.h
        !            26:  * - Intel 82557 eeprom access object
        !            27:  *
        !            28:  * HISTORY
        !            29:  *
        !            30:  * 6-Mar-96    Dieter Siegmund (dieter) at NeXT
        !            31:  *             Created.
        !            32:  */
        !            33: 
        !            34: #ifndef _I82557EEPROM_H
        !            35: #define _I82557EEPROM_H
        !            36: 
        !            37: #include "i82557Inline.h"
        !            38: #include "i82557HW.h"
        !            39: 
        !            40: #define BITS_IN_SHORT                          16
        !            41: #define MIN_SK_HIGH                                    20
        !            42: #define MIN_SK_LOW                                     20
        !            43: #define NUM_EEPROM_WORDS                       0x40
        !            44: #define EEPROM_CHECKSUM_VALUE          0xbaba
        !            45: 
        !            46: //-------------------------------------------------------------------------
        !            47: // Compatibility Byte 0
        !            48: // 8-bit, word 0x3, low byte
        !            49: //-------------------------------------------------------------------------
        !            50: #define EEPROM_C0_MC_100                       BIT(1)
        !            51: #define EEPROM_C0_MC_10                                BIT(0)
        !            52: 
        !            53: //-------------------------------------------------------------------------
        !            54: // Compatibility Byte 1
        !            55: // 8-bit, word 0x3, high byte
        !            56: //-------------------------------------------------------------------------
        !            57: #define EEPROM_C1_OEM                          BIT(0)
        !            58: 
        !            59: //-------------------------------------------------------------------------
        !            60: // Controller Type
        !            61: // 8-bit, word 0x5, high byte
        !            62: //-------------------------------------------------------------------------
        !            63: #define EEPROM_TYPE_82558                      2
        !            64: #define EEPROM_TYPE_82557                      1
        !            65: 
        !            66: //-------------------------------------------------------------------------
        !            67: // Connectors
        !            68: // 8-bit, word 0x5, low byte
        !            69: //-------------------------------------------------------------------------
        !            70: #define EEPROM_CON_MII                         BIT(3)
        !            71: #define EEPROM_CON_AUI                         BIT(2)
        !            72: #define EEPROM_CON_BNC                         BIT(1)
        !            73: #define EEPROM_CON_RJ45                                BIT(0)
        !            74: 
        !            75: //-------------------------------------------------------------------------
        !            76: // PHY Device Record.
        !            77: // 16-bit, Primary word 0x6, Secondary word 0x7.
        !            78: //-------------------------------------------------------------------------
        !            79: #define EEPROM_PHY_10                          BIT(15)
        !            80: #define EEPROM_PHY_VSCR                                BIT(14)
        !            81: #define EEPROM_PHY_DEVICE_SHIFT                8
        !            82: #define EEPROM_PHY_DEVICE_MASK         CSR_MASK(EEPROM_PHY_DEVICE, 0x3f)
        !            83: #define EEPROM_PHY_ADDRESS_SHIFT       0
        !            84: #define EEPROM_PHY_ADDRESS_MASK                CSR_MASK(EEPROM_PHY_ADDRESS, 0xff)
        !            85: 
        !            86: typedef enum {
        !            87:     PHYDevice_None_e = 0,
        !            88:     PHYDevice_Intel82553_A_B_step_e,
        !            89:     PHYDevice_Intel82553_C_step_e,
        !            90:     PHYDevice_Intel82503_e,
        !            91:     PHYDevice_NationalDP83840_TX_C_step_e,
        !            92:     PHYDevice_Seeq80C240_T4_e,
        !            93:     PHYDevice_Seeq80C24_e,
        !            94:        PHYDevice_Intel82555_e,
        !            95:        PHYDevice_MicroLinear_e,
        !            96:        PHYDevice_Level_One_e,
        !            97:        PHYDevice_NationalDP82840A_e,
        !            98:        PHYDevice_ICS1890_e,
        !            99:     PHYDevice_Last_e
        !           100: } PHYDevice_t;
        !           101: 
        !           102: static inline char *
        !           103: PHYDeviceNames(unsigned int i)
        !           104: {
        !           105:        char * devices[] = {
        !           106:                "No PHY device installed",
        !           107:                "Intel 82553 (PHY 100) A or B step",
        !           108:                "Intel 82553 (PHY 100) C step",
        !           109:                "Intel 82503 10Mps",
        !           110:                "National DP83840 C step 100Base-TX",
        !           111:                "Seeq 80C240 100Base-T4",
        !           112:                "Seeq 80C24 10 Mps",
        !           113:                "Intel 82555 10/100Base-TX PHY",
        !           114:                "MicroLinear 10Mbps",
        !           115:                "Level One 10Mbps",
        !           116:                "National DP83840A",
        !           117:                "ICS 1890",
        !           118:                "PHY device unknown"
        !           119:     };
        !           120:        if (i > PHYDevice_Last_e)
        !           121:                i = PHYDevice_Last_e;
        !           122:        return (devices[i]);
        !           123: };
        !           124: 
        !           125: #define NUM_PHYS               2
        !           126: #define PRIMARY_PHY            0
        !           127: #define SECONDARY_PHY  1
        !           128: #define NPWA_BYTES             4
        !           129: 
        !           130: typedef struct {
        !           131:        enet_addr_t             addr;
        !           132:        UInt8                   compatibility_0;
        !           133:        UInt8                   compatibility_1;
        !           134:        UInt16                  zero0;
        !           135:        UInt8                   connectors;
        !           136:        UInt8                   controllerType;
        !           137: #define I82557_CONTROLLER_TYPE 1
        !           138: #define I82558_CONTROLLER_TYPE 2
        !           139:        UInt16                  phys[NUM_PHYS];
        !           140:     UInt8                      PWANumber[NPWA_BYTES];
        !           141:     UInt16                     zero1[38];
        !           142:     UInt16                     rplConfig[2];
        !           143:     UInt16                     zero5[13];
        !           144:     UInt16                     checkSum;
        !           145: } EEPROM_t;
        !           146: 
        !           147: static inline
        !           148: void EEPROMWriteBit(volatile eeprom_control_t * ee_p, bool bit)
        !           149: {
        !           150:        if (bit)
        !           151:                OSSetLE16(ee_p, EEPROM_CONTROL_EEDI);
        !           152:        else
        !           153:                OSClearLE16(ee_p, EEPROM_CONTROL_EEDI);
        !           154: 
        !           155:        OSSetLE16(ee_p, EEPROM_CONTROL_EESK);
        !           156:     IODelay(MIN_SK_HIGH);
        !           157:     OSClearLE16(ee_p, EEPROM_CONTROL_EESK);
        !           158:     IODelay(MIN_SK_LOW);
        !           159: }
        !           160: 
        !           161: static inline
        !           162: bool EEPROMReadBit(volatile eeprom_control_t * ee_p)
        !           163: {
        !           164:     bool bit;
        !           165:        
        !           166:        OSSetLE16(ee_p, EEPROM_CONTROL_EESK);
        !           167:     IODelay(MIN_SK_HIGH);
        !           168:        bit = (OSReadLE16(ee_p) & EEPROM_CONTROL_EEDO) ? 1 : 0;
        !           169:        OSClearLE16(ee_p, EEPROM_CONTROL_EESK);
        !           170:     IODelay(MIN_SK_LOW);
        !           171:     return (bit);
        !           172: }
        !           173: 
        !           174: static inline
        !           175: void EEPROMEnable(volatile eeprom_control_t * ee_p)
        !           176: {
        !           177:        OSSetLE16(ee_p, EEPROM_CONTROL_EECS);
        !           178:     return;
        !           179: }
        !           180: 
        !           181: static inline
        !           182: void EEPROMDisable(volatile eeprom_control_t * ee_p)
        !           183: {
        !           184:     OSClearLE16(ee_p, EEPROM_CONTROL_EECS);
        !           185:     return;
        !           186: }
        !           187: 
        !           188: class i82557eeprom : public OSObject
        !           189: {
        !           190:        OSDeclareDefaultStructors(i82557eeprom)
        !           191: 
        !           192: public:
        !           193:     volatile eeprom_control_t * ee_p;
        !           194:     int                                                        nbits;
        !           195:     union {
        !           196:                UInt16          words[NUM_EEPROM_WORDS];
        !           197:                EEPROM_t        fields;
        !           198:     } image;
        !           199: 
        !           200:        static i82557eeprom * withAddress(volatile eeprom_control_t * p);
        !           201: 
        !           202:        bool initWithAddress(volatile eeprom_control_t * p);
        !           203: 
        !           204:        UInt16 readWord(int offset);
        !           205: 
        !           206:        EEPROM_t * getContents();
        !           207: 
        !           208:        void dumpContents();
        !           209: };
        !           210: 
        !           211: #endif /* !_I82557EEPROM_H */
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