diff options
Diffstat (limited to 'drivers/net/bcm570x_autoneg.h')
| -rw-r--r-- | drivers/net/bcm570x_autoneg.h | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/drivers/net/bcm570x_autoneg.h b/drivers/net/bcm570x_autoneg.h new file mode 100644 index 0000000..7830944 --- /dev/null +++ b/drivers/net/bcm570x_autoneg.h @@ -0,0 +1,408 @@ +/******************************************************************************/ +/* */ +/* 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 */ |