doc/ksz8794__driver_8h_source.html

/**

 * @file ksz8794_driver.h

 * @brief KSZ8794 4-port Ethernet switch driver

 *

 * @section License

 *

 * SPDX-License-Identifier: GPL-2.0-or-later

 *

 * Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.

 *

 * This file is part of CycloneTCP Open.

 *

 * 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.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 *

 * @author Oryx Embedded SARL (www.oryx-embedded.com)

 * @version 2.5.4

 **/


#ifndef _KSZ8794_DRIVER_H

#define _KSZ8794_DRIVER_H


//Dependencies

#include "core/nic.h"


//Port identifiers

#define KSZ8794_PORT1         1

#define KSZ8794_PORT2         2

#define KSZ8794_PORT3         3

#define KSZ8794_PORT_RESERVED 4

#define KSZ8794_PORT4         5


//Port masks

#define KSZ8794_PORT_MASK  0x17

#define KSZ8794_PORT1_MASK 0x01

#define KSZ8794_PORT2_MASK 0x02

#define KSZ8794_PORT3_MASK 0x04

#define KSZ8794_PORT4_MASK 0x10


//SPI command byte

#define KSZ8794_SPI_CMD_WRITE 0x4000

#define KSZ8794_SPI_CMD_READ  0x6000

#define KSZ8794_SPI_CMD_ADDR  0x1FFE


//Size of static and dynamic MAC tables

#define KSZ8794_STATIC_MAC_TABLE_SIZE  32

#define KSZ8794_DYNAMIC_MAC_TABLE_SIZE 1024

#define KSZ8794_VLAN_TABLE_SIZE        4096


//Tail tag rules (host to KSZ8794)

#define KSZ8794_TAIL_TAG_NORMAL_ADDR_LOOKUP 0x80

#define KSZ8794_TAIL_TAG_PORT_SEL           0x40

#define KSZ8794_TAIL_TAG_DEST_QUEUE         0x30

#define KSZ8794_TAIL_TAG_DEST_PORT3         0x04

#define KSZ8794_TAIL_TAG_DEST_PORT2         0x02

#define KSZ8794_TAIL_TAG_DEST_PORT1         0x01


//Tail tag rules (KSZ8794 to host)

#define KSZ8794_TAIL_TAG_SRC_PORT           0x03


//KSZ8794 PHY registers

#define KSZ8794_BMCR                                             0x00

#define KSZ8794_BMSR                                             0x01

#define KSZ8794_PHYID1                                           0x02

#define KSZ8794_PHYID2                                           0x03

#define KSZ8794_ANAR                                             0x04

#define KSZ8794_ANLPAR                                           0x05

#define KSZ8794_LINKMD                                           0x1D

#define KSZ8794_PHYSCS                                           0x1F


//KSZ8794 Switch registers

#define KSZ8794_CHIP_ID0                                         0x00

#define KSZ8794_CHIP_ID1                                         0x01

#define KSZ8794_GLOBAL_CTRL0                                     0x02

#define KSZ8794_GLOBAL_CTRL1                                     0x03

#define KSZ8794_GLOBAL_CTRL2                                     0x04

#define KSZ8794_GLOBAL_CTRL3                                     0x05

#define KSZ8794_GLOBAL_CTRL4                                     0x06

#define KSZ8794_GLOBAL_CTRL5                                     0x07

#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL                            0x08

#define KSZ8794_GLOBAL_CTRL7                                     0x09

#define KSZ8794_GLOBAL_CTRL8                                     0x0A

#define KSZ8794_GLOBAL_CTRL9                                     0x0B

#define KSZ8794_GLOBAL_CTRL10                                    0x0C

#define KSZ8794_GLOBAL_CTRL11                                    0x0D

#define KSZ8794_PD_MGMT_CTRL1                                    0x0E

#define KSZ8794_PD_MGMT_CTRL2                                    0x0F

#define KSZ8794_PORT1_CTRL0                                      0x10

#define KSZ8794_PORT1_CTRL1                                      0x11

#define KSZ8794_PORT1_CTRL2                                      0x12

#define KSZ8794_PORT1_CTRL3                                      0x13

#define KSZ8794_PORT1_CTRL4                                      0x14

#define KSZ8794_PORT1_CTRL5                                      0x15

#define KSZ8794_PORT1_CTRL7                                      0x17

#define KSZ8794_PORT1_STAT0                                      0x18

#define KSZ8794_PORT1_STAT1                                      0x19

#define KSZ8794_PORT1_PHY_CTRL8                                  0x1A

#define KSZ8794_PORT1_LINKMD                                     0x1B

#define KSZ8794_PORT1_CTRL9                                      0x1C

#define KSZ8794_PORT1_CTRL10                                     0x1D

#define KSZ8794_PORT1_STAT2                                      0x1E

#define KSZ8794_PORT1_CTRL11_STAT3                               0x1F

#define KSZ8794_PORT2_CTRL0                                      0x20

#define KSZ8794_PORT2_CTRL1                                      0x21

#define KSZ8794_PORT2_CTRL2                                      0x22

#define KSZ8794_PORT2_CTRL3                                      0x23

#define KSZ8794_PORT2_CTRL4                                      0x24

#define KSZ8794_PORT2_CTRL5                                      0x25

#define KSZ8794_PORT2_CTRL7                                      0x27

#define KSZ8794_PORT2_STAT0                                      0x28

#define KSZ8794_PORT2_STAT1                                      0x29

#define KSZ8794_PORT2_PHY_CTRL8                                  0x2A

#define KSZ8794_PORT2_LINKMD                                     0x2B

#define KSZ8794_PORT2_CTRL9                                      0x2C

#define KSZ8794_PORT2_CTRL10                                     0x2D

#define KSZ8794_PORT2_STAT2                                      0x2E

#define KSZ8794_PORT2_CTRL11_STAT3                               0x2F

#define KSZ8794_PORT3_CTRL0                                      0x30

#define KSZ8794_PORT3_CTRL1                                      0x31

#define KSZ8794_PORT3_CTRL2                                      0x32

#define KSZ8794_PORT3_CTRL3                                      0x33

#define KSZ8794_PORT3_CTRL4                                      0x34

#define KSZ8794_PORT3_CTRL5                                      0x35

#define KSZ8794_PORT3_CTRL7                                      0x37

#define KSZ8794_PORT3_STAT0                                      0x38

#define KSZ8794_PORT3_STAT1                                      0x39

#define KSZ8794_PORT3_PHY_CTRL8                                  0x3A

#define KSZ8794_PORT3_LINKMD                                     0x3B

#define KSZ8794_PORT3_CTRL9                                      0x3C

#define KSZ8794_PORT3_CTRL10                                     0x3D

#define KSZ8794_PORT3_STAT2                                      0x3E

#define KSZ8794_PORT3_CTRL11_STAT3                               0x3F

#define KSZ8794_PORT4_CTRL0                                      0x50

#define KSZ8794_PORT4_CTRL1                                      0x51

#define KSZ8794_PORT4_CTRL2                                      0x52

#define KSZ8794_PORT4_CTRL3                                      0x53

#define KSZ8794_PORT4_CTRL4                                      0x54

#define KSZ8794_PORT4_CTRL5                                      0x55

#define KSZ8794_PORT4_IF_CTRL6                                   0x56

#define KSZ8794_MAC_ADDR0                                        0x68

#define KSZ8794_MAC_ADDR1                                        0x69

#define KSZ8794_MAC_ADDR2                                        0x6A

#define KSZ8794_MAC_ADDR3                                        0x6B

#define KSZ8794_MAC_ADDR4                                        0x6C

#define KSZ8794_MAC_ADDR5                                        0x6D

#define KSZ8794_INDIRECT_CTRL0                                   0x6E

#define KSZ8794_INDIRECT_CTRL1                                   0x6F

#define KSZ8794_INDIRECT_DATA8                                   0x70

#define KSZ8794_INDIRECT_DATA7                                   0x71

#define KSZ8794_INDIRECT_DATA6                                   0x72

#define KSZ8794_INDIRECT_DATA5                                   0x73

#define KSZ8794_INDIRECT_DATA4                                   0x74

#define KSZ8794_INDIRECT_DATA3                                   0x75

#define KSZ8794_INDIRECT_DATA2                                   0x76

#define KSZ8794_INDIRECT_DATA1                                   0x77

#define KSZ8794_INDIRECT_DATA0                                   0x78

#define KSZ8794_INT_STAT                                         0x7C

#define KSZ8794_INT_MASK                                         0x7D

#define KSZ8794_ACL_INT_STAT                                     0x7E

#define KSZ8794_ACL_INT_CTRL                                     0x7F

#define KSZ8794_GLOBAL_CTRL12                                    0x80

#define KSZ8794_GLOBAL_CTRL13                                    0x81

#define KSZ8794_GLOBAL_CTRL14                                    0x82

#define KSZ8794_GLOBAL_CTRL15                                    0x83

#define KSZ8794_GLOBAL_CTRL16                                    0x84

#define KSZ8794_GLOBAL_CTRL17                                    0x85

#define KSZ8794_GLOBAL_CTRL18                                    0x86

#define KSZ8794_GLOBAL_CTRL19                                    0x87

#define KSZ8794_TOS_PRIO_CTRL0                                   0x90

#define KSZ8794_TOS_PRIO_CTRL1                                   0x91

#define KSZ8794_TOS_PRIO_CTRL2                                   0x92

#define KSZ8794_TOS_PRIO_CTRL3                                   0x93

#define KSZ8794_TOS_PRIO_CTRL4                                   0x94

#define KSZ8794_TOS_PRIO_CTRL5                                   0x95

#define KSZ8794_TOS_PRIO_CTRL6                                   0x96

#define KSZ8794_TOS_PRIO_CTRL7                                   0x97

#define KSZ8794_TOS_PRIO_CTRL8                                   0x98

#define KSZ8794_TOS_PRIO_CTRL9                                   0x99

#define KSZ8794_TOS_PRIO_CTRL10                                  0x9A

#define KSZ8794_TOS_PRIO_CTRL11                                  0x9B

#define KSZ8794_TOS_PRIO_CTRL12                                  0x9C

#define KSZ8794_TOS_PRIO_CTRL13                                  0x9D

#define KSZ8794_TOS_PRIO_CTRL14                                  0x9E

#define KSZ8794_TOS_PRIO_CTRL15                                  0x9F

#define KSZ8794_INDIRECT_BYTE                                    0xA0

#define KSZ8794_GLOBAL_CTRL20                                    0xA3

#define KSZ8794_GLOBAL_CTRL21                                    0xA4

#define KSZ8794_PORT1_CTRL12                                     0xB0

#define KSZ8794_PORT1_CTRL13                                     0xB1

#define KSZ8794_PORT1_CTRL14                                     0xB2

#define KSZ8794_PORT1_CTRL15                                     0xB3

#define KSZ8794_PORT1_CTRL16                                     0xB4

#define KSZ8794_PORT1_CTRL17                                     0xB5

#define KSZ8794_PORT1_RATE_LIMIT_CTRL                            0xB6

#define KSZ8794_PORT1_PRIO0_IG_LIMIT_CTRL1                       0xB7

#define KSZ8794_PORT1_PRIO1_IG_LIMIT_CTRL2                       0xB8

#define KSZ8794_PORT1_PRIO2_IG_LIMIT_CTRL3                       0xB9

#define KSZ8794_PORT1_PRIO3_IG_LIMIT_CTRL4                       0xBA

#define KSZ8794_PORT1_QUEUE0_EG_LIMIT_CTRL1                      0xBB

#define KSZ8794_PORT1_QUEUE1_EG_LIMIT_CTRL2                      0xBC

#define KSZ8794_PORT1_QUEUE2_EG_LIMIT_CTRL3                      0xBD

#define KSZ8794_PORT1_QUEUE3_EG_LIMIT_CTRL4                      0xBE

#define KSZ8794_TEST                                             0xBF

#define KSZ8794_PORT2_CTRL12                                     0xC0

#define KSZ8794_PORT2_CTRL13                                     0xC1

#define KSZ8794_PORT2_CTRL14                                     0xC2

#define KSZ8794_PORT2_CTRL15                                     0xC3

#define KSZ8794_PORT2_CTRL16                                     0xC4

#define KSZ8794_PORT2_CTRL17                                     0xC5

#define KSZ8794_PORT2_RATE_LIMIT_CTRL                            0xC6

#define KSZ8794_PORT2_PRIO0_IG_LIMIT_CTRL1                       0xC7

#define KSZ8794_PORT2_PRIO1_IG_LIMIT_CTRL2                       0xC8

#define KSZ8794_PORT2_PRIO2_IG_LIMIT_CTRL3                       0xC9

#define KSZ8794_PORT2_PRIO3_IG_LIMIT_CTRL4                       0xCA

#define KSZ8794_PORT2_QUEUE0_EG_LIMIT_CTRL1                      0xCB

#define KSZ8794_PORT2_QUEUE1_EG_LIMIT_CTRL2                      0xCC

#define KSZ8794_PORT2_QUEUE2_EG_LIMIT_CTRL3                      0xCD

#define KSZ8794_PORT2_QUEUE3_EG_LIMIT_CTRL4                      0xCE

#define KSZ8794_PORT3_CTRL12                                     0xD0

#define KSZ8794_PORT3_CTRL13                                     0xD1

#define KSZ8794_PORT3_CTRL14                                     0xD2

#define KSZ8794_PORT3_CTRL15                                     0xD3

#define KSZ8794_PORT3_CTRL16                                     0xD4

#define KSZ8794_PORT3_CTRL17                                     0xD5

#define KSZ8794_PORT3_RATE_LIMIT_CTRL                            0xD6

#define KSZ8794_PORT3_PRIO0_IG_LIMIT_CTRL1                       0xD7

#define KSZ8794_PORT3_PRIO1_IG_LIMIT_CTRL2                       0xD8

#define KSZ8794_PORT3_PRIO2_IG_LIMIT_CTRL3                       0xD9

#define KSZ8794_PORT3_PRIO3_IG_LIMIT_CTRL4                       0xDA

#define KSZ8794_PORT3_QUEUE0_EG_LIMIT_CTRL1                      0xDB

#define KSZ8794_PORT3_QUEUE1_EG_LIMIT_CTRL2                      0xDC

#define KSZ8794_PORT3_QUEUE2_EG_LIMIT_CTRL3                      0xDD

#define KSZ8794_PORT3_QUEUE3_EG_LIMIT_CTRL4                      0xDE

#define KSZ8794_TEST2                                            0xDF

#define KSZ8794_TEST3                                            0xEF

#define KSZ8794_PORT4_CTRL12                                     0xF0

#define KSZ8794_PORT4_CTRL13                                     0xF1

#define KSZ8794_PORT4_CTRL14                                     0xF2

#define KSZ8794_PORT4_CTRL15                                     0xF3

#define KSZ8794_PORT4_CTRL16                                     0xF4

#define KSZ8794_PORT4_CTRL17                                     0xF5

#define KSZ8794_PORT4_RATE_LIMIT_CTRL                            0xF6

#define KSZ8794_PORT4_PRIO0_IG_LIMIT_CTRL1                       0xF7

#define KSZ8794_PORT4_PRIO1_IG_LIMIT_CTRL2                       0xF8

#define KSZ8794_PORT4_PRIO2_IG_LIMIT_CTRL3                       0xF9

#define KSZ8794_PORT4_PRIO3_IG_LIMIT_CTRL4                       0xFA

#define KSZ8794_PORT4_QUEUE0_EG_LIMIT_CTRL1                      0xFB

#define KSZ8794_PORT4_QUEUE1_EG_LIMIT_CTRL2                      0xFC

#define KSZ8794_PORT4_QUEUE2_EG_LIMIT_CTRL3                      0xFD

#define KSZ8794_PORT4_QUEUE3_EG_LIMIT_CTRL4                      0xFE

#define KSZ8794_TEST4                                            0xFF


//KSZ8794 Switch register access macros

#define KSZ8794_PORTn_CTRL0(port)                                (0x00 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL1(port)                                (0x01 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL2(port)                                (0x02 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL3(port)                                (0x03 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL4(port)                                (0x04 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL5(port)                                (0x05 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL7(port)                                (0x07 + ((port) * 0x10))

#define KSZ8794_PORTn_STAT0(port)                                (0x08 + ((port) * 0x10))

#define KSZ8794_PORTn_STAT1(port)                                (0x09 + ((port) * 0x10))

#define KSZ8794_PORTn_PHY_CTRL8(port)                            (0x0A + ((port) * 0x10))

#define KSZ8794_PORTn_LINKMD(port)                               (0x0B + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL9(port)                                (0x0C + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL10(port)                               (0x0D + ((port) * 0x10))

#define KSZ8794_PORTn_STAT2(port)                                (0x0E + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL11_STAT3(port)                         (0x0F + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL12(port)                               (0xA0 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL13(port)                               (0xA1 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL14(port)                               (0xA2 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL15(port)                               (0xA3 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL16(port)                               (0xA4 + ((port) * 0x10))

#define KSZ8794_PORTn_CTRL17(port)                               (0xA5 + ((port) * 0x10))

#define KSZ8794_PORTn_RATE_LIMIT_CTRL(port)                      (0xA6 + ((port) * 0x10))

#define KSZ8794_PORTn_PRIO0_IG_LIMIT_CTRL1(port)                 (0xA7 + ((port) * 0x10))

#define KSZ8794_PORTn_PRIO1_IG_LIMIT_CTRL2(port)                 (0xA8 + ((port) * 0x10))

#define KSZ8794_PORTn_PRIO2_IG_LIMIT_CTRL3(port)                 (0xA9 + ((port) * 0x10))

#define KSZ8794_PORTn_PRIO3_IG_LIMIT_CTRL4(port)                 (0xAA + ((port) * 0x10))

#define KSZ8794_PORTn_QUEUE0_EG_LIMIT_CTRL1(port)                (0xAB + ((port) * 0x10))

#define KSZ8794_PORTn_QUEUE1_EG_LIMIT_CTRL2(port)                (0xAC + ((port) * 0x10))

#define KSZ8794_PORTn_QUEUE2_EG_LIMIT_CTRL3(port)                (0xAD + ((port) * 0x10))

#define KSZ8794_PORTn_QUEUE3_EG_LIMIT_CTRL4(port)                (0xAE + ((port) * 0x10))


//Basic Control register

#define KSZ8794_BMCR_RESET                                       0x8000

#define KSZ8794_BMCR_LOOPBACK                                    0x4000

#define KSZ8794_BMCR_FORCE_100                                   0x2000

#define KSZ8794_BMCR_AN_EN                                       0x1000

#define KSZ8794_BMCR_POWER_DOWN                                  0x0800

#define KSZ8794_BMCR_ISOLATE                                     0x0400

#define KSZ8794_BMCR_RESTART_AN                                  0x0200

#define KSZ8794_BMCR_FORCE_FULL_DUPLEX                           0x0100

#define KSZ8794_BMCR_HP_MDIX                                     0x0020

#define KSZ8794_BMCR_FORCE_MDI                                   0x0010

#define KSZ8794_BMCR_AUTO_MDIX_DIS                               0x0008

#define KSZ8794_BMCR_FAR_END_FAULT_DIS                           0x0004

#define KSZ8794_BMCR_TRANSMIT_DIS                                0x0002

#define KSZ8794_BMCR_LED_DIS                                     0x0001


//Basic Status register

#define KSZ8794_BMSR_100BT4                                      0x8000

#define KSZ8794_BMSR_100BTX_FD                                   0x4000

#define KSZ8794_BMSR_100BTX_HD                                   0x2000

#define KSZ8794_BMSR_10BT_FD                                     0x1000

#define KSZ8794_BMSR_10BT_HD                                     0x0800

#define KSZ8794_BMSR_AN_COMPLETE                                 0x0020

#define KSZ8794_BMSR_FAR_END_FAULT                               0x0010

#define KSZ8794_BMSR_AN_CAPABLE                                  0x0008

#define KSZ8794_BMSR_LINK_STATUS                                 0x0004

#define KSZ8794_BMSR_EXTENDED_CAPABLE                            0x0001


//PHYID High register

#define KSZ8794_PHYID1_DEFAULT                                   0x0022


//PHYID Low register

#define KSZ8794_PHYID2_DEFAULT                                   0x1550


//Advertisement Ability register

#define KSZ8794_ANAR_PAUSE                                       0x0400

#define KSZ8794_ANAR_100BTX_FD                                   0x0100

#define KSZ8794_ANAR_100BTX_HD                                   0x0080

#define KSZ8794_ANAR_10BT_FD                                     0x0040

#define KSZ8794_ANAR_10BT_HD                                     0x0020

#define KSZ8794_ANAR_SELECTOR                                    0x001F

#define KSZ8794_ANAR_SELECTOR_DEFAULT                            0x0001


//Link Partner Ability register

#define KSZ8794_ANLPAR_PAUSE                                     0x0400

#define KSZ8794_ANLPAR_100BTX_FD                                 0x0100

#define KSZ8794_ANLPAR_100BTX_HD                                 0x0080

#define KSZ8794_ANLPAR_10BT_FD                                   0x0040

#define KSZ8794_ANLPAR_10BT_HD                                   0x0020


//LinkMD Control/Status register

#define KSZ8794_LINKMD_TEST_EN                                   0x8000

#define KSZ8794_LINKMD_RESULT                                    0x6000

#define KSZ8794_LINKMD_RESULT_NORMAL                             0x0000

#define KSZ8794_LINKMD_RESULT_OPEN                               0x2000

#define KSZ8794_LINKMD_RESULT_SHORT                              0x4000

#define KSZ8794_LINKMD_RESULT_FAIL                               0x6000

#define KSZ8794_LINKMD_SHORT                                     0x1000

#define KSZ8794_LINKMD_FAULT_COUNT                               0x01FF


//PHY Special Control/Status register

#define KSZ8794_PHYSCS_OP_MODE                                   0x0700

#define KSZ8794_PHYSCS_OP_MODE_AN                                0x0100

#define KSZ8794_PHYSCS_OP_MODE_10BT_HD                           0x0200

#define KSZ8794_PHYSCS_OP_MODE_100BTX_HD                         0x0300

#define KSZ8794_PHYSCS_OP_MODE_10BT_FD                           0x0500

#define KSZ8794_PHYSCS_OP_MODE_100BTX_FD                         0x0600

#define KSZ8794_PHYSCS_OP_MODE_ISOLATE                           0x0700

#define KSZ8794_PHYSCS_POLRVS                                    0x0020

#define KSZ8794_PHYSCS_MDIX_STATUS                               0x0010

#define KSZ8794_PHYSCS_FORCE_LINK                                0x0008

#define KSZ8794_PHYSCS_PWRSAVE                                   0x0004

#define KSZ8794_PHYSCS_REMOTE_LOOPBACK                           0x0002


//Chip ID0 register

#define KSZ8794_CHIP_ID0_FAMILY_ID                               0xFF

#define KSZ8794_CHIP_ID0_FAMILY_ID_DEFAULT                       0x87


//Chip ID1 / Start Switch register

#define KSZ8794_CHIP_ID1_CHIP_ID                                 0xF0

#define KSZ8794_CHIP_ID1_CHIP_ID_DEFAULT                         0x60

#define KSZ8794_CHIP_ID1_REVISION_ID                             0x0E

#define KSZ8794_CHIP_ID1_START_SWITCH                            0x01


//Global Control 0 register

#define KSZ8794_GLOBAL_CTRL0_NEW_BACK_OFF_EN                     0x80

#define KSZ8794_GLOBAL_CTRL0_GLOBAL_SOFT_RESET_EN                0x40

#define KSZ8794_GLOBAL_CTRL0_FLUSH_DYNAMIC_MAC_TABLE             0x20

#define KSZ8794_GLOBAL_CTRL0_FLUSH_STATIC_MAC_TABLE              0x10

#define KSZ8794_GLOBAL_CTRL0_UNH_MODE                            0x02

#define KSZ8794_GLOBAL_CTRL0_LINK_CHANGE_AGE                     0x01


//Global Control 1 register

#define KSZ8794_GLOBAL_CTRL1_2KB_PKT_SUPPORT                     0x40

#define KSZ8794_GLOBAL_CTRL1_TX_FLOW_CTRL_DIS                    0x20

#define KSZ8794_GLOBAL_CTRL1_RX_FLOW_CTRL_DIS                    0x10

#define KSZ8794_GLOBAL_CTRL1_FRAME_LEN_CHECK_EN                  0x08

#define KSZ8794_GLOBAL_CTRL1_AGING_EN                            0x04

#define KSZ8794_GLOBAL_CTRL1_FAST_AGE_EN                         0x02

#define KSZ8794_GLOBAL_CTRL1_AGGRESSIVE_BACK_OFF_EN              0x01


//Global Control 2 register

#define KSZ8794_GLOBAL_CTRL2_UNI_VLAN_MISMATCH_DISCARD           0x80

#define KSZ8794_GLOBAL_CTRL2_MCAST_STORM_PROTECT_DIS             0x40

#define KSZ8794_GLOBAL_CTRL2_BACK_PRESSURE_MODE                  0x20

#define KSZ8794_GLOBAL_CTRL2_FLOW_CTRL_FAIR_MODE                 0x10

#define KSZ8794_GLOBAL_CTRL2_NO_EXCESSIVE_COL_DROP               0x08

#define KSZ8794_GLOBAL_CTRL2_MAX_PKT_SIZE_CHECK_DIS              0x02


//Global Control 3 register

#define KSZ8794_GLOBAL_CTRL3_VLAN_EN                             0x80

#define KSZ8794_GLOBAL_CTRL3_SW5_IGMP_SNOOP_EN                   0x40

#define KSZ8794_GLOBAL_CTRL3_SNIFF_MODE_SEL                      0x01


//Global Control 4 register

#define KSZ8794_GLOBAL_CTRL4_SW4_BACK_PRESSURE_EN                0x80

#define KSZ8794_GLOBAL_CTRL4_SW4_HALF_DUPLEX_MODE                0x40

#define KSZ8794_GLOBAL_CTRL4_SW4_FLOW_CTRL_EN                    0x20

#define KSZ8794_GLOBAL_CTRL4_SW4_SPEED                           0x10

#define KSZ8794_GLOBAL_CTRL4_NULL_VID_REPLACEMENT                0x08

#define KSZ8794_GLOBAL_CTRL4_BCAST_STORM_PROTECT_RATE_MSB        0x07


//Global Control 5 register

#define KSZ8794_GLOBAL_CTRL5_BCAST_STORM_PROTECT_RATE_LSB        0xFF


//Global Control 6 MIB Control register

#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL_FLUSH_COUNTER              0x80

#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL_FREEZE_COUNTER             0x40

#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL_CONTROL_EN                 0x1F

#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL_CONTROL_EN_PORT1           0x01

#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL_CONTROL_EN_PORT2           0x02

#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL_CONTROL_EN_PORT3           0x04

#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL_CONTROL_EN_PORT4           0x10


//Global Control 7 register

#define KSZ8794_GLOBAL_CTRL7_FACTORY_TESTING                     0xFF


//Global Control 8 register

#define KSZ8794_GLOBAL_CTRL8_FACTORY_TESTING                     0xFF


//Global Control 9 register

#define KSZ8794_GLOBAL_CTRL9_SW4_REFCLK_EDGE_SEL                 0x40

#define KSZ8794_GLOBAL_CTRL9_SW4_REFCLK_EDGE_SEL_RISING          0x00

#define KSZ8794_GLOBAL_CTRL9_SW4_REFCLK_EDGE_SEL_FALLING         0x40

#define KSZ8794_GLOBAL_CTRL9_LED_MODE                            0x30

#define KSZ8794_GLOBAL_CTRL9_LED_MODE_LED0_LNK_ACT_LED1_SPD      0x00

#define KSZ8794_GLOBAL_CTRL9_LED_MODE_LED0_LNK_LED1_ACT          0x10

#define KSZ8794_GLOBAL_CTRL9_LED_MODE_LED0_LNK_ACT_LED1_DPLX     0x20

#define KSZ8794_GLOBAL_CTRL9_LED_MODE_LED0_LNK_LED1_ACT_DPLX     0x30

#define KSZ8794_GLOBAL_CTRL9_REFCLKO_ENABLE                      0x02

#define KSZ8794_GLOBAL_CTRL9_SPI_READ_CLK_EDGE_SEL               0x01

#define KSZ8794_GLOBAL_CTRL9_SPI_READ_CLK_EDGE_SEL_FALLING       0x00

#define KSZ8794_GLOBAL_CTRL9_SPI_READ_CLK_EDGE_SEL_RISING        0x01


//Global Control 10 register

#define KSZ8794_GLOBAL_CTRL10_TAIL_TAG_EN                        0x02

#define KSZ8794_GLOBAL_CTRL10_PASS_FLOW_CTRL_PKT                 0x01


//Global Control 11 register

#define KSZ8794_GLOBAL_CTRL11_FACTORY_TESTING                    0xFF


//Power-Down Management Control 1 register

#define KSZ8794_PD_MGMT_CTRL1_PLL_PWR_DOWN                       0x20

#define KSZ8794_PD_MGMT_CTRL1_PWR_MGMT_MODE                      0x18

#define KSZ8794_PD_MGMT_CTRL1_PWR_MGMT_MODE_NORMAL               0x00

#define KSZ8794_PD_MGMT_CTRL1_PWR_MGMT_MODE_ENERGY_DETECT        0x08

#define KSZ8794_PD_MGMT_CTRL1_PWR_MGMT_MODE_SOFT_PWR_DOWN        0x10


//Power-Down Management Control 2 register

#define KSZ8794_PD_MGMT_CTRL2_GO_SLEEP_TIME                      0xFF


//Port N Control 0 register

#define KSZ8794_PORTn_CTRL0_BCAST_STORM_PROTECT_EN               0x80

#define KSZ8794_PORTn_CTRL0_DIFFSERV_PRIO_CLASS_EN               0x40

#define KSZ8794_PORTn_CTRL0_802_1P_PRIO_CLASS_EN                 0x20

#define KSZ8794_PORTn_CTRL0_PORT_PRIO_CLASS_EN                   0x18

#define KSZ8794_PORTn_CTRL0_TAG_INSERTION                        0x04

#define KSZ8794_PORTn_CTRL0_TAG_REMOVAL                          0x02

#define KSZ8794_PORTn_CTRL0_TWO_QUEUE_SPLIT_EN                   0x01


//Port N Control 1 register

#define KSZ8794_PORTn_CTRL1_SNIFFER_PORT                         0x80

#define KSZ8794_PORTn_CTRL1_RECEIVE_SNIFF                        0x40

#define KSZ8794_PORTn_CTRL1_TRANSMIT_SNIFF                       0x20

#define KSZ8794_PORTn_CTRL1_PORT_VLAN_MEMBERSHIP                 0x1F


//Port N Control 2 register

#define KSZ8794_PORTn_CTRL2_USER_PRIO_CEILING                    0x80

#define KSZ8794_PORTn_CTRL2_INGRESS_VLAN_FILT                    0x40

#define KSZ8794_PORTn_CTRL2_DISCARD_NON_PVID_PKT                 0x20

#define KSZ8794_PORTn_CTRL2_FORCE_FLOW_CTRL                      0x10

#define KSZ8794_PORTn_CTRL2_BACK_PRESSURE_EN                     0x08

#define KSZ8794_PORTn_CTRL2_TRANSMIT_EN                          0x04

#define KSZ8794_PORTn_CTRL2_RECEIVE_EN                           0x02

#define KSZ8794_PORTn_CTRL2_LEARNING_DIS                         0x01


//Port N Control 3 register

#define KSZ8794_PORTn_CTRL3_DEFAULT_USER_PRIO                    0xE0

#define KSZ8794_PORTn_CTRL3_DEFAULT_CFI                          0x10

#define KSZ8794_PORTn_CTRL3_DEFAULT_VID_MSB                      0x0F


//Port N Control 4 register

#define KSZ8794_PORTn_CTRL4_DEFAULT_VID_LSB                      0xFF


//Port N Control 5 register

#define KSZ8794_PORTn_CTRL5_ACL_EN                               0x04

#define KSZ8794_PORTn_CTRL5_AUTH_MODE                            0x03


//Port 4 Interface Control 6 register

#define KSZ8794_PORT4_IF_CTRL6_RMII_CLK_SEL                      0x80

#define KSZ8794_PORT4_IF_CTRL6_IS_1GBPS                          0x40

#define KSZ8794_PORT4_IF_CTRL6_RGMII_ID_IG_EN                    0x10

#define KSZ8794_PORT4_IF_CTRL6_RGMII_ID_EG_EN                    0x08

#define KSZ8794_PORT4_IF_CTRL6_MII_MODE_SEL                      0x04

#define KSZ8794_PORT4_IF_CTRL6_MII_MODE_SEL_PHY                  0x00

#define KSZ8794_PORT4_IF_CTRL6_MII_MODE_SEL_MAC                  0x04

#define KSZ8794_PORT4_IF_CTRL6_IF_MODE_SEL                       0x03

#define KSZ8794_PORT4_IF_CTRL6_IF_MODE_SEL_MII                   0x00

#define KSZ8794_PORT4_IF_CTRL6_IF_MODE_SEL_RMII                  0x01

#define KSZ8794_PORT4_IF_CTRL6_IF_MODE_SEL_RGMII                 0x03


//Port N Control 7 register

#define KSZ8794_PORTn_CTRL7_ADV_FLOW_CTRL_CAP                    0x30

#define KSZ8794_PORTn_CTRL7_ADV_FLOW_CTRL_CAP_NO                 0x00

#define KSZ8794_PORTn_CTRL7_ADV_FLOW_CTRL_CAP_SYMMETRIC          0x10

#define KSZ8794_PORTn_CTRL7_ADV_FLOW_CTRL_CAP_ASYMMETRIC         0x20

#define KSZ8794_PORTn_CTRL7_ADV_FLOW_CTRL_CAP_BOTH               0x30

#define KSZ8794_PORTn_CTRL7_ADV_100BT_FD                         0x08

#define KSZ8794_PORTn_CTRL7_ADV_100BT_HD                         0x04

#define KSZ8794_PORTn_CTRL7_ADV_10BT_FD                          0x02

#define KSZ8794_PORTn_CTRL7_ADV_10BT_HD                          0x01


//Port N Status 0 register

#define KSZ8794_PORTn_STAT0_LP_FLOW_CTRL_CAPABLE                 0x30

#define KSZ8794_PORTn_STAT0_LP_100BTX_FD_CAPABLE                 0x08

#define KSZ8794_PORTn_STAT0_LP_100BTX_HF_CAPABLE                 0x04

#define KSZ8794_PORTn_STAT0_LP_10BT_FD_CAPABLE                   0x02

#define KSZ8794_PORTn_STAT0_LP_10BT_HD_CAPABLE                   0x01


//Port N Status 1 register

#define KSZ8794_PORTn_STAT1_HP_MDIX                              0x80

#define KSZ8794_PORTn_STAT1_FACTORY_TESTING                      0x40

#define KSZ8794_PORTn_STAT1_POLRVS                               0x20

#define KSZ8794_PORTn_STAT1_TX_FLOW_CTRL_EN                      0x10

#define KSZ8794_PORTn_STAT1_RX_FLOW_CTRL_EN                      0x08

#define KSZ8794_PORTn_STAT1_OP_SPEED                             0x04

#define KSZ8794_PORTn_STAT1_OP_DUPLEX                            0x02


//Port N PHY Control 8 register

#define KSZ8794_PORTn_PHY_CTRL8_CDT_10M_SHORT                    0x80

#define KSZ8794_PORTn_PHY_CTRL8_CDT_RESULT                       0x60

#define KSZ8794_PORTn_PHY_CTRL8_CDT_EN                           0x10

#define KSZ8794_PORTn_PHY_CTRL8_FORCE_LINK                       0x08

#define KSZ8794_PORTn_PHY_CTRL8_PWRSAVE                          0x04

#define KSZ8794_PORTn_PHY_CTRL8_REMOTE_LOOPBACK                  0x02

#define KSZ8794_PORTn_PHY_CTRL8_VCT_FAULT_COUNT_MSB              0x01


//Port N LinkMD Result register

#define KSZ8794_PORTn_LINKMD_VCT_FAULT_COUNT_LSB                 0xFF


//Port N Control 9 register

#define KSZ8794_PORTn_CTRL9_AN_DIS                               0x80

#define KSZ8794_PORTn_CTRL9_FORCED_SPEED                         0x40

#define KSZ8794_PORTn_CTRL9_FORCED_DUPLEX                        0x20


//Port N Control 10 register

#define KSZ8794_PORTn_CTRL10_LED_OFF                             0x80

#define KSZ8794_PORTn_CTRL10_TX_DIS                              0x40

#define KSZ8794_PORTn_CTRL10_RESTART_AN                          0x20

#define KSZ8794_PORTn_CTRL10_POWER_DOWN                          0x08

#define KSZ8794_PORTn_CTRL10_AUTO_MDIX_DIS                       0x04

#define KSZ8794_PORTn_CTRL10_FORCED_MDI                          0x02

#define KSZ8794_PORTn_CTRL10_MAC_LOOPBACK                        0x01


//Port N Status 2 register

#define KSZ8794_PORTn_STAT2_MDIX_STATUS                          0x80

#define KSZ8794_PORTn_STAT2_AN_DONE                              0x40

#define KSZ8794_PORTn_STAT2_LINK_GOOD                            0x20


//Port N Control 11 / Status 3 register

#define KSZ8794_PORTn_CTRL11_STAT3_PHY_LOOPBACK                  0x80

#define KSZ8794_PORTn_CTRL11_STAT3_PHY_ISOLATE                   0x20

#define KSZ8794_PORTn_CTRL11_STAT3_SOFT_RESET                    0x10

#define KSZ8794_PORTn_CTRL11_STAT3_FORCE_LINK                    0x08

#define KSZ8794_PORTn_CTRL11_STAT3_OP_MODE                       0x07

#define KSZ8794_PORTn_CTRL11_STAT3_OP_MODE_AN                    0x01

#define KSZ8794_PORTn_CTRL11_STAT3_OP_MODE_10BT_HD               0x02

#define KSZ8794_PORTn_CTRL11_STAT3_OP_MODE_100BTX_HD             0x03

#define KSZ8794_PORTn_CTRL11_STAT3_OP_MODE_10BT_FD               0x05

#define KSZ8794_PORTn_CTRL11_STAT3_OP_MODE_100BTX_FD             0x06


//Indirect Access Control 0 register

#define KSZ8794_INDIRECT_CTRL0_FUNC_SEL                          0xE0

#define KSZ8794_INDIRECT_CTRL0_FUNC_SEL_INDIRECT_MODE            0x00

#define KSZ8794_INDIRECT_CTRL0_FUNC_SEL_EEE                      0x20

#define KSZ8794_INDIRECT_CTRL0_FUNC_SEL_ACL                      0x40

#define KSZ8794_INDIRECT_CTRL0_FUNC_SEL_PME                      0x80

#define KSZ8794_INDIRECT_CTRL0_FUNC_SEL_LINKMD                   0xA0

#define KSZ8794_INDIRECT_CTRL0_WRITE                             0x00

#define KSZ8794_INDIRECT_CTRL0_READ                              0x10

#define KSZ8794_INDIRECT_CTRL0_TABLE_SEL                         0x0C

#define KSZ8794_INDIRECT_CTRL0_TABLE_SEL_STATIC_MAC              0x00

#define KSZ8794_INDIRECT_CTRL0_TABLE_SEL_VLAN                    0x04

#define KSZ8794_INDIRECT_CTRL0_TABLE_SEL_DYNAMIC_MAC             0x08

#define KSZ8794_INDIRECT_CTRL0_TABLE_SEL_MIB_COUNTER             0x0C

#define KSZ8794_INDIRECT_CTRL0_ADDR_11_8                         0x0F

#define KSZ8794_INDIRECT_CTRL0_ADDR_9_8                          0x03


//Indirect Access Control 1 register

#define KSZ8794_INDIRECT_CTRL1_ADDR_7_0                          0xFF


//Interrupt Status register

#define KSZ8794_INT_STAT_PME                                     0x10

#define KSZ8794_INT_STAT_PORT3                                   0x04

#define KSZ8794_INT_STAT_PORT2                                   0x02

#define KSZ8794_INT_STAT_PORT1                                   0x01


//Interrupt Mask register

#define KSZ8794_INT_MASK_PME                                     0x10

#define KSZ8794_INT_MASK_PORT3                                   0x04

#define KSZ8794_INT_MASK_PORT2                                   0x02

#define KSZ8794_INT_MASK_PORT1                                   0x01


//ACL Interrupt Status register

#define KSZ8794_ACL_INT_STAT_PORT4                               0x08

#define KSZ8794_ACL_INT_STAT_PORT3                               0x04

#define KSZ8794_ACL_INT_STAT_PORT2                               0x02

#define KSZ8794_ACL_INT_STAT_PORT1                               0x01


//ACL Interrupt Control register

#define KSZ8794_ACL_INT_CTRL_PORT4                               0x08

#define KSZ8794_ACL_INT_CTRL_PORT3                               0x04

#define KSZ8794_ACL_INT_CTRL_PORT2                               0x02

#define KSZ8794_ACL_INT_CTRL_PORT1                               0x01


//Global Control 12 register

#define KSZ8794_GLOBAL_CTRL12_TAG3                               0xC0

#define KSZ8794_GLOBAL_CTRL12_TAG2                               0x30

#define KSZ8794_GLOBAL_CTRL12_TAG1                               0x0C

#define KSZ8794_GLOBAL_CTRL12_TAG0                               0x03


//Global Control 13 register

#define KSZ8794_GLOBAL_CTRL13_TAG7                               0xC0

#define KSZ8794_GLOBAL_CTRL13_TAG6                               0x30

#define KSZ8794_GLOBAL_CTRL13_TAG5                               0x0C

#define KSZ8794_GLOBAL_CTRL13_TAG4                               0x03


//Global Control 14 register

#define KSZ8794_GLOBAL_CTRL14_PRI_2Q                             0xC0


//Global Control 15 register

#define KSZ8794_GLOBAL_CTRL15_UNKNOWN_UNICAST_FWD                0x20

#define KSZ8794_GLOBAL_CTRL15_UNKNOWN_UNICAST_FWD_MAP            0x1F

#define KSZ8794_GLOBAL_CTRL15_UNKNOWN_UNICAST_FWD_MAP_FILT       0x00

#define KSZ8794_GLOBAL_CTRL15_UNKNOWN_UNICAST_FWD_MAP_PORT1      0x01

#define KSZ8794_GLOBAL_CTRL15_UNKNOWN_UNICAST_FWD_MAP_PORT2      0x02

#define KSZ8794_GLOBAL_CTRL15_UNKNOWN_UNICAST_FWD_MAP_PORT3      0x04

#define KSZ8794_GLOBAL_CTRL15_UNKNOWN_UNICAST_FWD_MAP_PORT4      0x10

#define KSZ8794_GLOBAL_CTRL15_UNKNOWN_UNICAST_FWD_MAP_ALL        0x1F


//Global Control 16 register

#define KSZ8794_GLOBAL_CTRL16_UNKNOWN_MCAST_FWD                  0x20

#define KSZ8794_GLOBAL_CTRL16_UNKNOWN_MCAST_FWD_MAP              0x1F

#define KSZ8794_GLOBAL_CTRL16_UNKNOWN_MCAST_FWD_MAP_FILT         0x00

#define KSZ8794_GLOBAL_CTRL16_UNKNOWN_MCAST_FWD_MAP_PORT1        0x01

#define KSZ8794_GLOBAL_CTRL16_UNKNOWN_MCAST_FWD_MAP_PORT2        0x02

#define KSZ8794_GLOBAL_CTRL16_UNKNOWN_MCAST_FWD_MAP_PORT3        0x04

#define KSZ8794_GLOBAL_CTRL16_UNKNOWN_MCAST_FWD_MAP_PORT4        0x10

#define KSZ8794_GLOBAL_CTRL16_UNKNOWN_MCAST_FWD_MAP_ALL          0x17


//Global Control 17 register

#define KSZ8794_GLOBAL_CTRL17_UNKNOWN_VID_FWD                    0x20

#define KSZ8794_GLOBAL_CTRL17_UNKNOWN_VID_FWD_MAP                0x1F

#define KSZ8794_GLOBAL_CTRL17_UNKNOWN_VID_FWD_MAP_FILT           0x00

#define KSZ8794_GLOBAL_CTRL17_UNKNOWN_VID_FWD_MAP_PORT1          0x01

#define KSZ8794_GLOBAL_CTRL17_UNKNOWN_VID_FWD_MAP_PORT2          0x02

#define KSZ8794_GLOBAL_CTRL17_UNKNOWN_VID_FWD_MAP_PORT3          0x04

#define KSZ8794_GLOBAL_CTRL17_UNKNOWN_VID_FWD_MAP_PORT4          0x10

#define KSZ8794_GLOBAL_CTRL17_UNKNOWN_VID_FWD_MAP_ALL            0x17


//Global Control 18 register

#define KSZ8794_GLOBAL_CTRL18_SELF_ADDR_FILTER_EN                0x40

#define KSZ8794_GLOBAL_CTRL18_UNKNOWN_IP_MCAST_FWD               0x20

#define KSZ8794_GLOBAL_CTRL18_UNKNOWN_IP_MCAST_FWD_MAP           0x1F

#define KSZ8794_GLOBAL_CTRL18_UNKNOWN_IP_MCAST_FWD_MAP_FILT      0x00

#define KSZ8794_GLOBAL_CTRL18_UNKNOWN_IP_MCAST_FWD_MAP_PORT1     0x01

#define KSZ8794_GLOBAL_CTRL18_UNKNOWN_IP_MCAST_FWD_MAP_PORT2     0x02

#define KSZ8794_GLOBAL_CTRL18_UNKNOWN_IP_MCAST_FWD_MAP_PORT3     0x04

#define KSZ8794_GLOBAL_CTRL18_UNKNOWN_IP_MCAST_FWD_MAP_PORT4     0x10

#define KSZ8794_GLOBAL_CTRL18_UNKNOWN_IP_MCAST_FWD_MAP_ALL       0x17


//Global Control 19 register

#define KSZ8794_GLOBAL_CTRL19_IG_RATE_LIMIT_PERIOD               0x30

#define KSZ8794_GLOBAL_CTRL19_IG_RATE_LIMIT_PERIOD_16MS          0x00

#define KSZ8794_GLOBAL_CTRL19_IG_RATE_LIMIT_PERIOD_64MS          0x10

#define KSZ8794_GLOBAL_CTRL19_IG_RATE_LIMIT_PERIOD_256MS         0x20

#define KSZ8794_GLOBAL_CTRL19_QUEUE_BASED_EG_RATE_LIMITE_EN      0x08

#define KSZ8794_GLOBAL_CTRL19_INSERT_SRC_PORT_PVID_TAG_EN        0x04


//Global Control 20 register

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH          0x70

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH_2MA      0x00

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH_4MA      0x10

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH_8MA      0x20

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH_12MA     0x30

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH_16MA     0x40

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH_20MA     0x50

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH_24MA     0x60

#define KSZ8794_GLOBAL_CTRL20_HIGH_SPEED_DRIVE_STRENGTH_28MA     0x70

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH           0x07

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH_2MA       0x00

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH_4MA       0x01

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH_8MA       0x02

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH_12MA      0x03

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH_16MA      0x04

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH_20MA      0x05

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH_24MA      0x06

#define KSZ8794_GLOBAL_CTRL20_LOW_SPEED_DRIVE_STRENGTH_28MA      0x07


//Global Control 21 register

#define KSZ8794_GLOBAL_CTRL21_MLD_SNOOP_OPT                      0x08

#define KSZ8794_GLOBAL_CTRL21_MLD_SNOOP_EN                       0x04


//Port N Control 12 register

#define KSZ8794_PORTn_CTRL12_PASS_ALL_FRAMES                     0x40

#define KSZ8794_PORTn_CTRL12_INSERT_SRC_PORT_PVID_H              0x08

#define KSZ8794_PORTn_CTRL12_INSERT_SRC_PORT_PVID_H2             0x04

#define KSZ8794_PORTn_CTRL12_INSERT_SRC_PORT_PVID_L2             0x02

#define KSZ8794_PORTn_CTRL12_INSERT_SRC_PORT_PVID_L              0x01


//Port N Control 13 register

#define KSZ8794_PORTn_CTRL13_4_QUEUE_SPLIT_EN                    0x02

#define KSZ8794_PORTn_CTRL13_DROPPING_TAG_EN                     0x01


//Port N Control 14 register

#define KSZ8794_PORTn_CTRL14_PORT_TX_QUEUE3_RATIO_EN             0x80

#define KSZ8794_PORTn_CTRL14_PORT_TX_QUEUE3_RATIO                0x7F


//Port N Control 15 register

#define KSZ8794_PORTn_CTRL15_PORT_TX_QUEUE2_RATIO_EN             0x80

#define KSZ8794_PORTn_CTRL15_PORT_TX_QUEUE2_RATIO                0x7F


//Port N Control 16 register

#define KSZ8794_PORTn_CTRL16_PORT_TX_QUEUE1_RATIO_EN             0x80

#define KSZ8794_PORTn_CTRL16_PORT_TX_QUEUE1_RATIO                0x7F


//Port N Control 17 register

#define KSZ8794_PORTn_CTRL17_PORT_TX_QUEUE0_RATIO_EN             0x80

#define KSZ8794_PORTn_CTRL17_PORT_TX_QUEUE0_RATIO                0x7F


//Port N Rate Limit Control register

#define KSZ8794_PORTn_RATE_LIMIT_CTRL_IG_LIMIT_PORT_PRIO_SEL     0x40

#define KSZ8794_PORTn_RATE_LIMIT_CTRL_IG_LIMIT_BIT_PKT_MODE_SEL  0x20

#define KSZ8794_PORTn_RATE_LIMIT_CTRL_IG_RATE_LIMIT_FLOW_CTRL_EN 0x10

#define KSZ8794_PORTn_RATE_LIMIT_CTRL_LIMIT_MODE                 0x0C

#define KSZ8794_PORTn_RATE_LIMIT_CTRL_COUNT_IFG                  0x02

#define KSZ8794_PORTn_RATE_LIMIT_CTRL_COUNT_PRE                  0x01


//C++ guard

#ifdef __cplusplus

extern "C" {

#endif


//CC-RX, CodeWarrior or Win32 compiler?

#if defined(__CCRX__)

   #pragma pack

#elif defined(__CWCC__) || defined(_WIN32)

   #pragma pack(push, 1)

#endif


/**

 * @brief Static MAC table entry (read operation)

 **/


typedef struct

{

#if defined(_CPU_BIG_ENDIAN) && !defined(__ICCRX__)

   uint8_t fid : 7;          //0

   uint8_t useFid : 1;

   uint8_t reserved : 1;     //1

   uint8_t override : 1;

   uint8_t valid : 1;

   uint8_t forwardPorts : 5;

#else

   uint8_t useFid : 1;       //0

   uint8_t fid : 7;

   uint8_t forwardPorts : 5; //1

   uint8_t valid : 1;

   uint8_t override : 1;

   uint8_t reserved : 1;

#endif

   MacAddr macAddr;          //2-7

} Ksz8794StaticMacEntryR;


/**

 * @brief Static MAC table entry (write operation)

 **/


typedef struct

{

   uint8_t fid;              //0

#if defined(_CPU_BIG_ENDIAN) && !defined(__ICCRX__)

   uint8_t useFid : 1;       //1

   uint8_t override : 1;

   uint8_t valid : 1;

   uint8_t forwardPorts : 5;

#else

   uint8_t forwardPorts : 5; //1

   uint8_t valid : 1;

   uint8_t override : 1;

   uint8_t useFid : 1;

#endif

   MacAddr macAddr;          //2-7

} Ksz8794StaticMacEntryW;


/**

 * @brief Dynamic MAC table entry

 **/


typedef struct

{

#if defined(_CPU_BIG_ENDIAN) && !defined(__ICCRX__)

   uint8_t macEmpty : 1;         //0

   uint8_t numValidEntriesH : 7;

   uint8_t numValidEntriesL : 3; //1

   uint8_t timestamp : 2;

   uint8_t sourcePort : 3;

   uint8_t dataNotReady : 1;     //2

   uint8_t fid : 7;

#else

   uint8_t numValidEntriesH : 7; //0

   uint8_t macEmpty : 1;

   uint8_t sourcePort : 3;       //1

   uint8_t timestamp : 2;

   uint8_t numValidEntriesL : 3;

   uint8_t fid : 7;              //2

   uint8_t dataNotReady : 1;

#endif

   MacAddr macAddr;              //3-8

} Ksz8794DynamicMacEntry;


/**

 * @brief Set of VLAN entries

 **/


typedef struct

{

#if defined(_CPU_BIG_ENDIAN) && !defined(__IAR_SYSTEMS_ICC__)

   uint8_t reserved3 : 3;         //0

   uint8_t entry3Valid : 1;

   uint8_t entry3MembershipH : 4;

   uint8_t entry3MembershipL : 1; //1

   uint8_t entry3Fid : 7;

   uint8_t reserved2 : 3;         //2

   uint8_t entry2Valid : 1;

   uint8_t entry2MembershipH : 4;

   uint8_t entry2MembershipL : 1; //3

   uint8_t entry2Fid : 7;

   uint8_t reserved1 : 3;         //4

   uint8_t entry1Valid : 1;

   uint8_t entry1MembershipH : 4;

   uint8_t entry1MembershipL : 1; //5

   uint8_t entry1Fid : 7;

   uint8_t reserved0 : 3;         //6

   uint8_t entry0Valid : 1;

   uint8_t entry0MembershipH : 4;

   uint8_t entry0MembershipL : 1; //7

   uint8_t entry0Fid : 7;

#else

   uint8_t entry3MembershipH : 4; //0

   uint8_t entry3Valid : 1;

   uint8_t reserved3 : 3;

   uint8_t entry3Fid : 7;         //1

   uint8_t entry3MembershipL : 1;

   uint8_t entry2MembershipH : 4; //2

   uint8_t entry2Valid : 1;

   uint8_t reserved2 : 3;

   uint8_t entry2Fid : 7;         //3

   uint8_t entry2MembershipL : 1;

   uint8_t entry1MembershipH : 4; //4

   uint8_t entry1Valid : 1;

   uint8_t reserved1 : 3;

   uint8_t entry1Fid : 7;         //5

   uint8_t entry1MembershipL : 1;

   uint8_t entry0MembershipH : 4; //6

   uint8_t entry0Valid : 1;

   uint8_t reserved0 : 3;

   uint8_t entry0Fid : 7;         //7

   uint8_t entry0MembershipL : 1;

#endif

} Ksz8794VlanEntrySet;


//CC-RX, CodeWarrior or Win32 compiler?

#if defined(__CCRX__)

   #pragma unpack

#elif defined(__CWCC__) || defined(_WIN32)

   #pragma pack(pop)

#endif


//KSZ8794 Ethernet switch driver

extern const SwitchDriver ksz8794SwitchDriver;


//KSZ8794 related functions

error_t ksz8794Init(NetInterface *interface);

void ksz8794InitHook(NetInterface *interface);


void ksz8794Tick(NetInterface *interface);


void ksz8794EnableIrq(NetInterface *interface);

void ksz8794DisableIrq(NetInterface *interface);


void ksz8794EventHandler(NetInterface *interface);


error_t ksz8794TagFrame(NetInterface *interface, NetBuffer *buffer,

   size_t *offset, NetTxAncillary *ancillary);


error_t ksz8794UntagFrame(NetInterface *interface, uint8_t **frame,

   size_t *length, NetRxAncillary *ancillary);


bool_t ksz8794GetLinkState(NetInterface *interface, uint8_t port);

uint32_t ksz8794GetLinkSpeed(NetInterface *interface, uint8_t port);

NicDuplexMode ksz8794GetDuplexMode(NetInterface *interface, uint8_t port);


void ksz8794SetPortState(NetInterface *interface, uint8_t port,

   SwitchPortState state);


SwitchPortState ksz8794GetPortState(NetInterface *interface, uint8_t port);


void ksz8794SetAgingTime(NetInterface *interface, uint32_t agingTime);


void ksz8794EnableIgmpSnooping(NetInterface *interface, bool_t enable);

void ksz8794EnableMldSnooping(NetInterface *interface, bool_t enable);

void ksz8794EnableRsvdMcastTable(NetInterface *interface, bool_t enable);


error_t ksz8794AddStaticFdbEntry(NetInterface *interface,

   const SwitchFdbEntry *entry);


error_t ksz8794DeleteStaticFdbEntry(NetInterface *interface,

   const SwitchFdbEntry *entry);


error_t ksz8794GetStaticFdbEntry(NetInterface *interface, uint_t index,

   SwitchFdbEntry *entry);


void ksz8794FlushStaticFdbTable(NetInterface *interface);


error_t ksz8794GetDynamicFdbEntry(NetInterface *interface, uint_t index,

   SwitchFdbEntry *entry);


void ksz8794FlushDynamicFdbTable(NetInterface *interface, uint8_t port);


void ksz8794SetUnknownMcastFwdPorts(NetInterface *interface,

   bool_t enable, uint32_t forwardPorts);


error_t ksz8794WriteVlanEntry(NetInterface *interface,

   const SwitchVlanEntry *entry);


void ksz8794WritePhyReg(NetInterface *interface, uint8_t port,

   uint8_t address, uint16_t data);


uint16_t ksz8794ReadPhyReg(NetInterface *interface, uint8_t port,

   uint8_t address);


void ksz8794DumpPhyReg(NetInterface *interface, uint8_t port);


void ksz8794WriteSwitchReg(NetInterface *interface, uint16_t address,

   uint8_t data);


uint8_t ksz8794ReadSwitchReg(NetInterface *interface, uint16_t address);


void ksz8794DumpSwitchReg(NetInterface *interface);


//C++ guard

#ifdef __cplusplus

}

#endif


#endif