409 lines
12 KiB
C
409 lines
12 KiB
C
/******************************************************************************/
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/* */
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/* Broadcom BCM5700 Linux Network Driver, Copyright (c) 2001 Broadcom */
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/* Corporation. */
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/* All rights reserved. */
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/* */
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/* This program is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU General Public License as published by */
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/* the Free Software Foundation, located in the file LICENSE. */
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/* */
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/* History: */
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/******************************************************************************/
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#ifndef AUTONEG_H
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#define AUTONEG_H
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/******************************************************************************/
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/* Constants. */
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/******************************************************************************/
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#define AN_LINK_TIMER_INTERVAL_US 9000 /* 10ms */
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/* TRUE, FALSE */
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#define AN_TRUE 1
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#define AN_FALSE 0
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/******************************************************************************/
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/* Main data structure for keeping track of 802.3z auto-negotation state */
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/* variables as shown in Figure 37-6 of the IEEE 802.3z specification. */
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/******************************************************************************/
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typedef struct
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{
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/* Current auto-negotiation state. */
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unsigned long State;
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#define AN_STATE_UNKNOWN 0
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#define AN_STATE_AN_ENABLE 1
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#define AN_STATE_AN_RESTART_INIT 2
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#define AN_STATE_AN_RESTART 3
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#define AN_STATE_DISABLE_LINK_OK 4
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#define AN_STATE_ABILITY_DETECT_INIT 5
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#define AN_STATE_ABILITY_DETECT 6
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#define AN_STATE_ACK_DETECT_INIT 7
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#define AN_STATE_ACK_DETECT 8
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#define AN_STATE_COMPLETE_ACK_INIT 9
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#define AN_STATE_COMPLETE_ACK 10
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#define AN_STATE_IDLE_DETECT_INIT 11
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#define AN_STATE_IDLE_DETECT 12
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#define AN_STATE_LINK_OK 13
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#define AN_STATE_NEXT_PAGE_WAIT_INIT 14
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#define AN_STATE_NEXT_PAGE_WAIT 16
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/* Link timer. */
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unsigned long LinkTime_us;
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/* Current time. */
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unsigned long CurrentTime_us;
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/* Need these values for consistency check. */
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unsigned short AbilityMatchCfg;
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/* Ability, idle, and ack match functions. */
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unsigned long AbilityMatchCnt;
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char AbilityMatch;
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char IdleMatch;
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char AckMatch;
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/* Tx config data */
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union
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{
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/* The TxConfig register is arranged as follows: */
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/* */
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/* MSB LSB */
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/* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ */
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/* | D7| D6| D5| D4| D3| D2| D1| D0|D15|D14|D13|D12|D11|D10| D9| D8| */
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/* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ */
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struct
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{
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#ifdef BIG_ENDIAN_HOST
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unsigned int D7:1; /* PS1 */
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unsigned int D6:1; /* HD */
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unsigned int D5:1; /* FD */
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unsigned int D4:1;
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unsigned int D3:1;
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unsigned int D2:1;
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unsigned int D1:1;
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unsigned int D0:1;
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unsigned int D15:1; /* NP */
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unsigned int D14:1; /* ACK */
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unsigned int D13:1; /* RF2 */
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unsigned int D12:1; /* RF1 */
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unsigned int D11:1;
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unsigned int D10:1;
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unsigned int D9:1;
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unsigned int D8:1; /* PS2 */
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#else /* BIG_ENDIAN_HOST */
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unsigned int D8:1; /* PS2 */
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unsigned int D9:1;
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unsigned int D10:1;
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unsigned int D11:1;
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unsigned int D12:1; /* RF1 */
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unsigned int D13:1; /* RF2 */
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unsigned int D14:1; /* ACK */
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unsigned int D15:1; /* NP */
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unsigned int D0:1;
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unsigned int D1:1;
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unsigned int D2:1;
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unsigned int D3:1;
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unsigned int D4:1;
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unsigned int D5:1; /* FD */
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unsigned int D6:1; /* HD */
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unsigned int D7:1; /* PS1 */
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#endif
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} bits;
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unsigned short AsUSHORT;
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#define D8_PS2 bits.D8
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#define D12_RF1 bits.D12
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#define D13_RF2 bits.D13
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#define D14_ACK bits.D14
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#define D15_NP bits.D15
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#define D5_FD bits.D5
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#define D6_HD bits.D6
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#define D7_PS1 bits.D7
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} TxConfig;
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/* Rx config data */
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union
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{
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/* The RxConfig register is arranged as follows: */
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/* */
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/* MSB LSB */
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/* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ */
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/* | D7| D6| D5| D4| D3| D2| D1| D0|D15|D14|D13|D12|D11|D10| D9| D8| */
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/* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ */
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struct
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{
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#ifdef BIG_ENDIAN_HOST
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unsigned int D7:1; /* PS1 */
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unsigned int D6:1; /* HD */
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unsigned int D5:1; /* FD */
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unsigned int D4:1;
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unsigned int D3:1;
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unsigned int D2:1;
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unsigned int D1:1;
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unsigned int D0:1;
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unsigned int D15:1; /* NP */
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unsigned int D14:1; /* ACK */
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unsigned int D13:1; /* RF2 */
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unsigned int D12:1; /* RF1 */
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unsigned int D11:1;
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unsigned int D10:1;
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unsigned int D9:1;
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unsigned int D8:1; /* PS2 */
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#else /* BIG_ENDIAN_HOST */
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unsigned int D8:1; /* PS2 */
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unsigned int D9:1;
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unsigned int D10:1;
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unsigned int D11:1;
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unsigned int D12:1; /* RF1 */
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unsigned int D13:1; /* RF2 */
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unsigned int D14:1; /* ACK */
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unsigned int D15:1; /* NP */
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unsigned int D0:1;
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unsigned int D1:1;
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unsigned int D2:1;
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unsigned int D3:1;
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unsigned int D4:1;
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unsigned int D5:1; /* FD */
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unsigned int D6:1; /* HD */
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unsigned int D7:1; /* PS1 */
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#endif
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} bits;
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unsigned short AsUSHORT;
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} RxConfig;
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#define AN_CONFIG_NP 0x0080
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#define AN_CONFIG_ACK 0x0040
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#define AN_CONFIG_RF2 0x0020
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#define AN_CONFIG_RF1 0x0010
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#define AN_CONFIG_PS2 0x0001
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#define AN_CONFIG_PS1 0x8000
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#define AN_CONFIG_HD 0x4000
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#define AN_CONFIG_FD 0x2000
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/* Management registers. */
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/* Control register. */
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union
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{
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struct
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{
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unsigned int an_enable:1;
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unsigned int loopback:1;
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unsigned int reset:1;
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unsigned int restart_an:1;
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} bits;
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unsigned short AsUSHORT;
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#define mr_an_enable Mr0.bits.an_enable
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#define mr_loopback Mr0.bits.loopback
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#define mr_main_reset Mr0.bits.reset
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#define mr_restart_an Mr0.bits.restart_an
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} Mr0;
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/* Status register. */
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union
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{
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struct
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{
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unsigned int an_complete:1;
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unsigned int link_ok:1;
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} bits;
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unsigned short AsUSHORT;
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#define mr_an_complete Mr1.bits.an_complete
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#define mr_link_ok Mr1.bits.link_ok
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} Mr1;
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/* Advertisement register. */
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union
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{
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struct
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{
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unsigned int reserved_4:5;
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unsigned int full_duplex:1;
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unsigned int half_duplex:1;
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unsigned int sym_pause:1;
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unsigned int asym_pause:1;
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unsigned int reserved_11:3;
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unsigned int remote_fault1:1;
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unsigned int remote_fault2:1;
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unsigned int reserved_14:1;
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unsigned int next_page:1;
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} bits;
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unsigned short AsUSHORT;
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#define mr_adv_full_duplex Mr4.bits.full_duplex
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#define mr_adv_half_duplex Mr4.bits.half_duplex
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#define mr_adv_sym_pause Mr4.bits.sym_pause
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#define mr_adv_asym_pause Mr4.bits.asym_pause
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#define mr_adv_remote_fault1 Mr4.bits.remote_fault1
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#define mr_adv_remote_fault2 Mr4.bits.remote_fault2
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#define mr_adv_next_page Mr4.bits.next_page
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} Mr4;
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/* Link partner advertisement register. */
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union
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{
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struct
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{
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unsigned int reserved_4:5;
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unsigned int lp_full_duplex:1;
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unsigned int lp_half_duplex:1;
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unsigned int lp_sym_pause:1;
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unsigned int lp_asym_pause:1;
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unsigned int reserved_11:3;
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unsigned int lp_remote_fault1:1;
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unsigned int lp_remote_fault2:1;
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unsigned int lp_ack:1;
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unsigned int lp_next_page:1;
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} bits;
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unsigned short AsUSHORT;
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#define mr_lp_adv_full_duplex Mr5.bits.lp_full_duplex
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#define mr_lp_adv_half_duplex Mr5.bits.lp_half_duplex
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#define mr_lp_adv_sym_pause Mr5.bits.lp_sym_pause
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#define mr_lp_adv_asym_pause Mr5.bits.lp_asym_pause
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#define mr_lp_adv_remote_fault1 Mr5.bits.lp_remote_fault1
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#define mr_lp_adv_remote_fault2 Mr5.bits.lp_remote_fault2
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#define mr_lp_adv_next_page Mr5.bits.lp_next_page
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} Mr5;
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/* Auto-negotiation expansion register. */
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union
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{
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struct
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{
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unsigned int reserved_0:1;
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unsigned int page_received:1;
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unsigned int next_pageable:1;
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unsigned int reserved_15:13;
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} bits;
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unsigned short AsUSHORT;
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} Mr6;
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/* Auto-negotiation next page transmit register. */
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union
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{
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struct
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{
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unsigned int code_field:11;
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unsigned int toggle:1;
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unsigned int ack2:1;
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unsigned int message_page:1;
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unsigned int reserved_14:1;
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unsigned int next_page:1;
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} bits;
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unsigned short AsUSHORT;
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#define mr_np_tx Mr7.AsUSHORT
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} Mr7;
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/* Auto-negotiation link partner ability register. */
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union
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{
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struct
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{
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unsigned int code_field:11;
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unsigned int toggle:1;
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unsigned int ack2:1;
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unsigned int message_page:1;
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unsigned int ack:1;
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unsigned int next_page:1;
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} bits;
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unsigned short AsUSHORT;
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#define mr_lp_np_rx Mr8.AsUSHORT
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} Mr8;
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/* Extended status register. */
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union
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{
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struct
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{
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unsigned int reserved_11:12;
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unsigned int base1000_t_hd:1;
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unsigned int base1000_t_fd:1;
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unsigned int base1000_x_hd:1;
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unsigned int base1000_x_fd:1;
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} bits;
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unsigned short AsUSHORT;
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} Mr15;
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/* Miscellaneous state variables. */
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union
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{
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struct
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{
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unsigned int toggle_tx:1;
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unsigned int toggle_rx:1;
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unsigned int np_rx:1;
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unsigned int page_rx:1;
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unsigned int np_loaded:1;
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} bits;
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unsigned short AsUSHORT;
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#define mr_toggle_tx MrMisc.bits.toggle_tx
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#define mr_toggle_rx MrMisc.bits.toggle_rx
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#define mr_np_rx MrMisc.bits.np_rx
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#define mr_page_rx MrMisc.bits.page_rx
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#define mr_np_loaded MrMisc.bits.np_loaded
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} MrMisc;
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/* Implement specifics */
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/* Pointer to the operating system specific data structure. */
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void *pContext;
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} AN_STATE_INFO, *PAN_STATE_INFO;
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/******************************************************************************/
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/* Return code of Autoneg8023z. */
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/******************************************************************************/
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typedef enum
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{
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AUTONEG_STATUS_OK = 0,
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AUTONEG_STATUS_DONE = 1,
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AUTONEG_STATUS_TIMER_ENABLED = 2,
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AUTONEG_STATUS_FAILED = 0xfffffff
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} AUTONEG_STATUS, *PAUTONEG_STATUS;
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/******************************************************************************/
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/* Function prototypes. */
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/******************************************************************************/
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AUTONEG_STATUS Autoneg8023z(PAN_STATE_INFO pAnInfo);
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void AutonegInit(PAN_STATE_INFO pAnInfo);
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/******************************************************************************/
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/* The following functions are defined in the os-dependent module. */
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/******************************************************************************/
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void MM_AnTxConfig(PAN_STATE_INFO pAnInfo);
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void MM_AnTxIdle(PAN_STATE_INFO pAnInfo);
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char MM_AnRxConfig(PAN_STATE_INFO pAnInfo, unsigned short *pRxConfig);
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#endif /* AUTONEG_H */
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