root/sys/dev/isa/if_ie507.h
/*      $OpenBSD: if_ie507.h,v 1.2 1997/11/07 08:06:56 niklas Exp $     */
/*      $NetBSD: if_ie507.h,v 1.5 1995/01/23 04:50:10 mycroft Exp $     */

/*
 * 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_MADDR     14      /* shared memory configuration */
#define IE507_IRQ       15      /* IRQ configuration */

#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)