--- /dev/null
+/******************************************************************************/
+/* */
+/* Broadcom BCM5700 Linux Network Driver, Copyright (c) 2000 - 2004 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 12000 /* 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
+{
+ /* Pointer to the operating system specific data structure. */
+ void *pContext;
+
+ /* 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;
+
+ /* Ability, idle, and ack match functions. */
+ unsigned long AbilityMatchCnt;
+
+ /* Need these values for consistency check. */
+ unsigned short AbilityMatchCfg;
+
+ unsigned short reserved;
+
+ char AbilityMatch;
+ char IdleMatch;
+ char AckMatch;
+ char reserved1;
+
+ /* 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 short D7:1; /* PS1 */
+ unsigned short D6:1; /* HD */
+ unsigned short D5:1; /* FD */
+ unsigned short D4:1;
+ unsigned short D3:1;
+ unsigned short D2:1;
+ unsigned short D1:1;
+ unsigned short D0:1;
+ unsigned short D15:1; /* NP */
+ unsigned short D14:1; /* ACK */
+ unsigned short D13:1; /* RF2 */
+ unsigned short D12:1; /* RF1 */
+ unsigned short D11:1;
+ unsigned short D10:1;
+ unsigned short D9:1;
+ unsigned short 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 short D7:1; /* PS1 */
+ unsigned short D6:1; /* HD */
+ unsigned short D5:1; /* FD */
+ unsigned short D4:1;
+ unsigned short D3:1;
+ unsigned short D2:1;
+ unsigned short D1:1;
+ unsigned short D0:1;
+ unsigned short D15:1; /* NP */
+ unsigned short D14:1; /* ACK */
+ unsigned short D13:1; /* RF2 */
+ unsigned short D12:1; /* RF1 */
+ unsigned short D11:1;
+ unsigned short D10:1;
+ unsigned short D9:1;
+ unsigned short 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;
+
+} 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 = 0xffffffff,
+ 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 */
+
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