FreeBSD/Linux Kernel Cross Reference
sys/dev/netif/tx/if_txreg.h

     /*-
      * Copyright (c) 1997 Semen Ustimenko
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: src/sys/dev/tx/if_txreg.h,v 1.12.2.1 2002/10/29 01:43:50 semenu Exp $
     * $DragonFly: src/sys/dev/netif/tx/if_txreg.h,v 1.3 2005/11/20 11:59:54 sephe Exp $
     */
    
    #define EPIC_MAX_MTU            1600    /* This is experiment-derived value */
    
    /* EPIC's registers */
    #define COMMAND         0x0000
    #define INTSTAT         0x0004          /* Interrupt status. See below */
    #define INTMASK         0x0008          /* Interrupt mask. See below */
    #define GENCTL          0x000C
    #define NVCTL           0x0010
    #define EECTL           0x0014          /* EEPROM control **/
    #define TEST1           0x001C          /* XXXXX */
    #define CRCCNT          0x0020          /* CRC error counter */
    #define ALICNT          0x0024          /* FrameTooLang error counter */
    #define MPCNT           0x0028          /* MissedFrames error counters */
    #define MIICTL          0x0030
    #define MIIDATA         0x0034
    #define MIICFG          0x0038
    #define IPG             0x003C
    #define LAN0            0x0040          /* MAC address */
    #define LAN1            0x0044          /* MAC address */
    #define LAN2            0x0048          /* MAC address */
    #define ID_CHK          0x004C
    #define MC0             0x0050          /* Multicast filter table */
    #define MC1             0x0054          /* Multicast filter table */
    #define MC2             0x0058          /* Multicast filter table */
    #define MC3             0x005C          /* Multicast filter table */
    #define RXCON           0x0060          /* Rx control register */
    #define TXCON           0x0070          /* Tx control register */
    #define TXSTAT          0x0074
    #define PRCDAR          0x0084          /* RxRing bus address */
    #define PRSTAT          0x00A4
    #define PRCPTHR         0x00B0
    #define PTCDAR          0x00C4          /* TxRing bus address */
    #define ETXTHR          0x00DC
    
    #define COMMAND_STOP_RX         0x01
    #define COMMAND_START_RX        0x02
    #define COMMAND_TXQUEUED        0x04
    #define COMMAND_RXQUEUED        0x08
    #define COMMAND_NEXTFRAME       0x10
    #define COMMAND_STOP_TDMA       0x20
    #define COMMAND_STOP_RDMA       0x40
    #define COMMAND_TXUGO           0x80
    
    /* Interrupt register bits */
    #define INTSTAT_RCC     0x00000001
    #define INTSTAT_HCC     0x00000002
    #define INTSTAT_RQE     0x00000004
    #define INTSTAT_OVW     0x00000008      
    #define INTSTAT_RXE     0x00000010      
    #define INTSTAT_TXC     0x00000020
    #define INTSTAT_TCC     0x00000040      
    #define INTSTAT_TQE     0x00000080      
    #define INTSTAT_TXU     0x00000100
    #define INTSTAT_CNT     0x00000200
    #define INTSTAT_PREI    0x00000400
    #define INTSTAT_RCT     0x00000800      
    #define INTSTAT_FATAL   0x00001000      /* One of DPE,APE,PMA,PTA happend */    
    #define INTSTAT_UNUSED1 0x00002000
    #define INTSTAT_UNUSED2 0x00004000      
    #define INTSTAT_GP2     0x00008000      /* PHY Event */ 
    #define INTSTAT_INT_ACTV 0x00010000
    #define INTSTAT_RXIDLE  0x00020000
    #define INTSTAT_TXIDLE  0x00040000
    #define INTSTAT_RCIP    0x00080000      
    #define INTSTAT_TCIP    0x00100000      
    #define INTSTAT_RBE     0x00200000
    #define INTSTAT_RCTS    0x00400000      
    #define INTSTAT_RSV     0x00800000
    #define INTSTAT_DPE     0x01000000      /* PCI Fatal error */
    #define INTSTAT_APE     0x02000000      /* PCI Fatal error */
   #define INTSTAT_PMA     0x04000000      /* PCI Fatal error */
   #define INTSTAT_PTA     0x08000000      /* PCI Fatal error */
   
   #define GENCTL_SOFT_RESET               0x00000001
   #define GENCTL_ENABLE_INTERRUPT         0x00000002
   #define GENCTL_SOFTWARE_INTERRUPT       0x00000004
   #define GENCTL_POWER_DOWN               0x00000008
   #define GENCTL_ONECOPY                  0x00000010
   #define GENCTL_BIG_ENDIAN               0x00000020
   #define GENCTL_RECEIVE_DMA_PRIORITY     0x00000040
   #define GENCTL_TRANSMIT_DMA_PRIORITY    0x00000080
   #define GENCTL_RECEIVE_FIFO_THRESHOLD128        0x00000300
   #define GENCTL_RECEIVE_FIFO_THRESHOLD96 0x00000200
   #define GENCTL_RECEIVE_FIFO_THRESHOLD64 0x00000100
   #define GENCTL_RECEIVE_FIFO_THRESHOLD32 0x00000000
   #define GENCTL_MEMORY_READ_LINE         0x00000400
   #define GENCTL_MEMORY_READ_MULTIPLE     0x00000800
   #define GENCTL_SOFTWARE1                0x00001000
   #define GENCTL_SOFTWARE2                0x00002000
   #define GENCTL_RESET_PHY                0x00004000
   
   #define NVCTL_ENABLE_MEMORY_MAP         0x00000001
   #define NVCTL_CLOCK_RUN_SUPPORTED       0x00000002
   #define NVCTL_GP1_OUTPUT_ENABLE         0x00000004
   #define NVCTL_GP2_OUTPUT_ENABLE         0x00000008
   #define NVCTL_GP1                       0x00000010
   #define NVCTL_GP2                       0x00000020
   #define NVCTL_CARDBUS_MODE              0x00000040
   #define NVCTL_IPG_DELAY_MASK(x)         ((x&0xF)<<7)
   
   #define RXCON_SAVE_ERRORED_PACKETS      0x00000001
   #define RXCON_RECEIVE_RUNT_FRAMES       0x00000002
   #define RXCON_RECEIVE_BROADCAST_FRAMES  0x00000004
   #define RXCON_RECEIVE_MULTICAST_FRAMES  0x00000008
   #define RXCON_RECEIVE_INVERSE_INDIVIDUAL_ADDRESS_FRAMES 0x00000010
   #define RXCON_PROMISCUOUS_MODE          0x00000020
   #define RXCON_MONITOR_MODE              0x00000040
   #define RXCON_EARLY_RECEIVE_ENABLE      0x00000080
   #define RXCON_EXTERNAL_BUFFER_DISABLE   0x00000000
   #define RXCON_EXTERNAL_BUFFER_16K       0x00000100
   #define RXCON_EXTERNAL_BUFFER_32K       0x00000200
   #define RXCON_EXTERNAL_BUFFER_128K      0x00000300
   
   #define TXCON_EARLY_TRANSMIT_ENABLE     0x00000001
   #define TXCON_LOOPBACK_DISABLE          0x00000000
   #define TXCON_LOOPBACK_MODE_INT         0x00000002
   #define TXCON_LOOPBACK_MODE_PHY         0x00000004
   #define TXCON_LOOPBACK_MODE             0x00000006
   #define TXCON_FULL_DUPLEX               0x00000006
   #define TXCON_SLOT_TIME                 0x00000078
   
   #define MIICFG_SERIAL_ENABLE            0x00000001
   #define MIICFG_694_ENABLE               0x00000002
   #define MIICFG_694_STATUS               0x00000004
   #define MIICFG_PHY_PRESENT              0x00000008
   #define MIICFG_SMI_ENABLE               0x00000010
   
   #define TEST1_CLOCK_TEST                0x00000008
   
   /*
    * Some default values
    */
   #define TXCON_DEFAULT           (TXCON_SLOT_TIME | TXCON_EARLY_TRANSMIT_ENABLE)
   #define TRANSMIT_THRESHOLD      0x300
   #define TRANSMIT_THRESHOLD_MAX  0x600
   
   #define RXCON_DEFAULT           (RXCON_RECEIVE_MULTICAST_FRAMES | \
                                    RXCON_RECEIVE_BROADCAST_FRAMES)
   
   #define RXCON_EARLY_RX          (RXCON_EARLY_RECEIVE_ENABLE | \
                                    RXCON_SAVE_ERRORED_PACKETS)
   /*
    * EEPROM structure
    * SMC9432* eeprom is organized by words and only first 8 words
    * have distinctive meaning (according to datasheet)
    */
   #define EEPROM_MAC0             0x0000  /* Byte 0 / Byte 1 */
   #define EEPROM_MAC1             0x0001  /* Byte 2 / Byte 3 */
   #define EEPROM_MAC2             0x0002  /* Byte 4 / Byte 5 */
   #define EEPROM_BID_CSUM         0x0003  /* Board Id / Check Sum */
   #define EEPROM_NVCTL            0x0004  /* NVCTL (bits 0-5) / nothing */
   #define EEPROM_PCI_MGD_MLD      0x0005  /* PCI MinGrant / MaxLatency. Desired */
   #define EEPROM_SSVENDID         0x0006  /* Subsystem Vendor Id */
   #define EEPROM_SSID             0x0006  /* Subsystem Id */
   
   /*
    * Hardware structures
    */
   
   /* EPIC's hardware descriptors, must be aligned on dword in memory */
   /* NB: to make driver happy, this two structures MUST have thier sizes */
   /* be divisor of PAGE_SIZE */
   struct epic_tx_desc {
           volatile u_int16_t      status;
           volatile u_int16_t      txlength;
           volatile u_int32_t      bufaddr;
           volatile u_int16_t      buflength;
           volatile u_int16_t      control;
           volatile u_int32_t      next;
   };
   struct epic_rx_desc {
           volatile u_int16_t      status;
           volatile u_int16_t      rxlength;
           volatile u_int32_t      bufaddr;
           volatile u_int32_t      buflength;
           volatile u_int32_t      next;
   };
   
   /* This structure defines EPIC's fragment list, maximum number of frags */
   /* is 63. Let use maximum, becouse size of struct MUST be divisor of */
   /* PAGE_SIZE, and sometimes come mbufs with more then 30 frags */
   #define EPIC_MAX_FRAGS 63
   struct epic_frag_list {
           volatile u_int32_t              numfrags;
           struct {
                   volatile u_int32_t      fragaddr;
                   volatile u_int32_t      fraglen;
           } frag[EPIC_MAX_FRAGS]; 
           volatile u_int32_t              pad;            /* align on 256 bytes */
   };
   
   /*
    * NB: ALIGN OF ABOVE STRUCTURES
    * epic_rx_desc, epic_tx_desc, epic_frag_list - must be aligned on dword
    */
   
   #define SMC9432DMT              0xA010
   #define SMC9432TX               0xA011
   #define SMC9032TXM              0xA012
   #define SMC9032TX               0xA013
   #define SMC9432TXPWR            0xA014
   #define SMC9432BTX              0xA015
   #define SMC9432FTX              0xA016
   #define SMC9432FTX_SC           0xA017
   #define SMC9432TX_XG_ADHOC      0xA020
   #define SMC9434TX_XG_ADHOC      0xA021
   #define SMC9432FTX_ADHOC        0xA022
   #define SMC9432BTX1             0xA024
   

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