freebsd-dev/sys/i386/isa/if_ie507.h
1997-02-22 09:48:43 +00:00

20 lines
716 B
C

/*
* $Id$
* 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_BNK1 0x01 /* register bank 1 */
#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)