FreeBSD/Linux Kernel Cross Reference
sys/dev/ie/if_ie507.h

     /*
      * $FreeBSD: releng/6.4/sys/dev/ie/if_ie507.h 112734 2003-03-28 06:27:08Z mdodd $
      * Definitions for 3C507
      */
     
     #define IE507_CTRL      6       /* control port */
     #define IE507_ICTRL     10      /* interrupt control */
     #define IE507_ATTN      11      /* any write here sends a chan attn */
     #define IE507_ROM       13      /* rom configuration? */
    #define IE507_MADDR     14      /* shared memory configuration */
    #define IE507_IRQ       15      /* IRQ configuration */
    
    /* Bank 0 -- "*3COM*" signature */
    #define EL_SIG          0       /* offset of ASCII signature -- "*3COM*" */
    
    /* Bank 1 -- ethernet address */
    #define EL_ADDR         0       /* offset of card's ethernet address */
    
    /* Bank 2 -- card part #, revision, date of manufacture */
    #define EL_TYPE         0       /* offset of card part # */
    #define EL_TYPE_HI      0       /* offset of card part # -- high byte */
    #define EL_TYPE_MID     1       /* offset of card part # -- middle byte */
    #define EL_TYPE_LOW     2       /* offset of card part # -- low byte */
    #define EL_REV          3       /* offset of card revision, in BCD */
    #define EL_DOM_DAY      4       /* offset of date of manf: day in BCD */
    #define EL_DOM_MY       4       /* offset of date of manf: month, year in BCD */
    
    /*
     * Definitions for non-bankswitched registers
     */
    
    /* General control register */
    #define EL_CTRL_BNK0    0x00    /* register bank 0 */
    #define EL_CTRL_BNK1    0x01    /* register bank 1 */
    #define EL_CTRL_BNK2    0x02    /* register bank 2 */
    #define EL_CTRL_IEN     0x04    /* interrupt enable */
    #define EL_CTRL_INTL    0x08    /* interrupt active latch */
    #define EL_CTRL_16BIT   0x10    /* bus width; clear = 8-bit, set = 16-bit */
    #define EL_CTRL_LOOP    0x20    /* loopback mode */
    #define EL_CTRL_NRST    0x80    /* turn off to reset */
    #define EL_CTRL_RESET   (EL_CTRL_LOOP)
    #define EL_CTRL_NORMAL  (EL_CTRL_NRST | EL_CTRL_IEN | EL_CTRL_BNK1)
    
    /* ROM & media control register */
    #define EL_MEDIA_MASK   0x80    /* m1 = (EL_MEDIA register) & EL_MEDIA_MASK */
    #define EL_MEDIA_SHIFT  7       /* media index = m1 >> EL_MEDIA_SHIFT */
    
    /* shared memory control register */
    #define EL_MADDR_HIGH   0x20    /* memory mapping above 15Meg */
    #define EL_MADDR_MASK   0x1c    /* m1 = (EL_MADDR register) & EL_MADDR_MASK */
    #define EL_MADDR_SHIFT  12      /* m2 = m1 << EL_MADDR_SHIFT  */
    #define EL_MADDR_BASE   0xc0000 /* maddr = m2 + EL_MADDR_BASE */
    #define EL_MSIZE_MASK   0x03    /* m1 = (EL_MADDR register) & EL_MSIZE_MASK */
    #define EL_MSIZE_STEP   16384   /* msize = (m1 + 1) * EL_MSIZE_STEP */
    
    /* interrupt control register */
    #define EL_IRQ_MASK     0x0f    /* irq = (EL_IRQ register) & EL_IRQ_MASK */
    
    /*
     * Definitions for Bank 0 registers
     */
    #define EL_SIG_LEN      6       /* signature length */
    #define EL_SIGNATURE    "*3COM*"
    
    /*
     * Definitions for Bank 1 registers
     */
    #define EL_ADDR_LEN     6       /* ether address length */
    
    /*
     * Definitions for Bank 2 registers
     */
    #define EL_TYPE_LEN     3       /* card part # length */
    
    /*
     * General card-specific macros and definitions
     */
    #define EL_IOBASE_LOW   0x200
    #define EL_IOBASE_HIGH  0x3e0
    #define EL_IOSIZE       16
    
    /*
     * XXX: It seems that the 3C507-TP is differentiated from AUI/BNC 3C507
     * by part numbers, but I'm not sure how accurate this test is, seeing
     * as it's based on the sample of 3 cards I own (2AUI/BNC, 1 TP).
     */
    #define EL_IS_TP(type)  ((type)[EL_TYPE_MID] > 0x70)
    
    #define EL_CARD_BNC     0       /* regular AUI/BNC 3C507 */
    #define EL_CARD_TP      1       /* 3C507-TP -- no AUI/BNC */

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