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