FreeBSD/Linux Kernel Cross Reference
sys/dev/snc/if_sncreg.h

     /*      $FreeBSD$       */
     /*      $NecBSD: if_snreg.h,v 1.3 1999/01/24 01:39:52 kmatsuda Exp $    */
     /*      $NetBSD$        */
       
     /*-
      * Copyright (c) 1997, 1998, 1999
      *      Kouichi Matsuda.  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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Kouichi Matsuda for
     *      NetBSD/pc98.
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
     */
    /*
     * Modified for NetBSD/pc98 1.2.1 from NetBSD/mac68k 1.2D by Kouichi Matsuda.
     * Make adapted for NEC PC-9801-83, 84, PC-9801-103, 104, PC-9801N-25 and
     * PC-9801N-J02R, which uses National Semiconductor DP83934AVQB as
     * Ethernet Controller and National Semiconductor NS46C46 as (64 * 16 bits)
     * Microwire Serial EEPROM.
     */
    
    /*
     * XXX: Should not be HERE. (Should be shared with...)
     */
    
    /*
     * NEC/SONIC port mappings, offset from iobase.
     */
    #define SNEC_CTRL       0       /* SONIC control port (word) */
    #define SNEC_CTRLB      1       /* NEC/SONIC control port (byte) */
    #define SNEC_RSVD0      2       /* not used */
    #define SNEC_ADDR       3       /* SONIC, NEC/SONIC register address set port */
    #define SNEC_RSVD1      4       /* not used */
    #define SNEC_RSVD2      5       /* not used */
    
    #define SNEC_NREGS      6
    
    /* bank memory size */
    #define SNEC_NMEMS      (NBPG * 2)
    /* how many bank */
    #define SNEC_NBANK      0x10
    /* internal buffer size */
    #define SNEC_NBUF       (SNEC_NMEMS * SNEC_NBANK)
    
    
    /*
     * NEC/SONIC specific internal registers.
     */
    
    /*
     *      Memory Bank Select Register (MEMBS)
     */
    #define SNECR_MEMBS     0x80
    #define SNECR_MEMBS_BSEN        0x01    /* enable memory bank select */
    #define SNECR_MEMBS_EBNMSK      0x1c    /* encoded bank select number */
    /* Translate bank number to encoded bank select number. */
    #define SNECR_MEMBS_B2EB(bank)  (bank << 2)
    #define SNECR_MEMBS_PCMCIABUS   0x80    /* bus type identification */
    
    /*
     *      Memory Base Address Select Register (MEMSEL)
     */
    #define SNECR_MEMSEL    0x82
    /* Translate base phys address to encoded select number. */
    #define SNECR_MEMSEL_PHYS2EN(maddr)     ((maddr >> 13) & 0x0f)
    
    /*
     *      Encoded Irq Select Register (IRQSEL)
     */
    #define SNECR_IRQSEL    0x84
    
    /*
     *      EEPROM Access Register (EEP)
     */
    #define SNECR_EEP       0x86
    #define SNECR_EEP_DI            0x10    /* EEPROM Serial Data Input (high) */
    #define SNECR_EEP_CS            0x20    /* EEPROM Chip Select (high) */
    #define SNECR_EEP_SK            0x40    /* EEPROM Serial Data Clock (high) */
   #define SNECR_EEP_DO            0x80    /* EEPROM Serial Data Output (high) */
   
   /* EEPROM data locations */
   #define SNEC_EEPROM_KEY0        6       /* Station Address Check Sum Key #1 */
   #define SNEC_EEPROM_KEY1        7       /* Station Address Check Sum Key #2 */
   #define SNEC_EEPROM_SA0         8       /* Station Address #1 */
   #define SNEC_EEPROM_SA1         9       /* Station Address #2 */
   #define SNEC_EEPROM_SA2         10      /* Station Address #3 */
   #define SNEC_EEPROM_SA3         11      /* Station Address #4 */
   #define SNEC_EEPROM_SA4         12      /* Station Address #5 */
   #define SNEC_EEPROM_SA5         13      /* Station Address #6 */
   #define SNEC_EEPROM_CKSUM       14      /* Station Address Check Sum */
   
   #define SNEC_EEPROM_SIZE        32      /* valid EEPROM data (max 128 bytes) */
   
   /*
    *      Bus and Mode Identification Register (IDENT)
    */
   #define SNECR_IDENT     0x88
           /* Bit 0: Bus Identification. */
   #define SNECR_IDENT_CBUS        0x01    /* on PC-98 C-Bus */
   #define SNECR_IDENT_PCMCIABUS   0x00    /* on PCMCIA Bus */
           /* Bit 2: always 1 */
   #define SNECR_IDENT_MAGIC       0x04
           /* Bit 4: Bus Configuration Mode Identification. */
   #define SNECR_IDENT_PNP         0x10    /* Plug and Play (C-Bus and PCMCIA) */
   #define SNECR_IDENT_LEGACY      0x00    /* Legacy C-Bus */
   
   #define SNECR_IDENT_LEGACY_CBUS         \
           (SNECR_IDENT_LEGACY | SNECR_IDENT_MAGIC | SNECR_IDENT_CBUS)
   #define SNECR_IDENT_PNP_CBUS            \
           (SNECR_IDENT_PNP | SNECR_IDENT_MAGIC | SNECR_IDENT_CBUS)
   #define SNECR_IDENT_PNP_PCMCIABUS       \
           (SNECR_IDENT_PNP | SNECR_IDENT_MAGIC | SNECR_IDENT_PCMCIABUS)
   
   /*
    * XXX: parent bus type aliases
    */
   #define SNEC_TYPE_LEGACY        0
   #define SNEC_TYPE_PNP           1
   

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