Initial revision

1 files changed, 415 insertions, 0 deletions

diff --git a/drivers/bcm570x_autoneg.h b/drivers/bcm570x_autoneg.h
new file mode 100644
index 00000000000..95fcc0736ad
--- /dev/null
+++ b/drivers/bcm570x_autoneg.h
@@ -0,0 +1,415 @@
+/******************************************************************************/
+/*                                                                            */
+/* 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 */
+