source: trunk/minix/drivers/dpeth/wd.h@ 20

/*
**  File: wd.h
**   
**  Created:    before Dec 28, 1992 by Philip Homburg
**  $PchId: wdeth.h,v 1.4 1995/12/22 08:36:57 philip Exp $
**
**  $Log: wd.h,v $
**  Revision 1.2  2005/08/22 15:17:40  beng
**  Remove double-blank lines (Al)
**
**  Revision 1.1  2005/06/29 10:16:46  beng
**  Import of dpeth 3c501/3c509b/.. ethernet driver by
**  Giovanni Falzoni <fgalzoni@inwind.it>.
**
**  Revision 2.0  2005/06/26 16:16:46  lsodgf0
**  Initial revision for Minix 3.0.6
**
**  $Id: wd.h,v 1.2 2005/08/22 15:17:40 beng Exp $
*/

#ifndef WDETH_H
#define WDETH_H

/* Western Digital Ethercard Plus, or WD8003E card. */

#define EPL_REG0         0x0    /* Control(write) and status(read) */
#define EPL_REG1         0x1
#define EPL_REG2         0x2
#define EPL_REG3         0x3
#define EPL_REG4         0x4
#define EPL_REG5         0x5
#define EPL_REG6         0x6
#define EPL_REG7         0x7
#define EPL_EA0          0x8    /* Most significant eaddr byte */
#define EPL_EA1          0x9
#define EPL_EA2          0xA
#define EPL_EA3          0xB
#define EPL_EA4          0xC
#define EPL_EA5          0xD    /* Least significant eaddr byte */
#define EPL_TLB          0xE
#define EPL_CHKSUM       0xF    /* sum from epl_ea0 upto here is 0xFF */
#define EPL_DP8390      0x10    /* NatSemi chip */

#define EPL_MSR         EPL_REG0/* memory select register */
#define EPL_ICR         EPL_REG1/* interface configuration register */
#define EPL_IRR         EPL_REG4/* interrupt request register (IRR) */
#define EPL_790_HWR     EPL_REG4/* '790 hardware support register */
#define EPL_LAAR        EPL_REG5/* LA address register (write only) */
#define EPL_790_ICR     EPL_REG6/* '790 interrupt control register */
#define EPL_GP2         EPL_REG7/* general purpose register 2 */
#define EPL_790_B       EPL_EA3 /* '790 memory register */
#define EPL_790_GCR     EPL_EA5 /* '790 General Control Register */

/* Bits in EPL_MSR */
#define E_MSR_MEMADDR   0x3F    /* Bits SA18-SA13, SA19 implicit 1 */
#define E_MSR_MENABLE   0x40    /* Memory Enable */
#define E_MSR_RESET     0x80    /* Software Reset */

/* Bits in EPL_ICR */
#define E_ICR_16BIT     0x01    /* 16 bit bus */
#define E_ICR_IR2       0x04    /* bit 2 of encoded IRQ */
#define E_ICR_MEMBIT    0x08    /* 583 mem size mask */

/* Bits in EPL_IRR */
#define E_IRR_IR0       0x20    /* bit 0 of encoded IRQ */
#define E_IRR_IR1       0x40    /* bit 1 of encoded IRQ */
#define E_IRR_IEN       0x80    /* enable interrupts */

/* Bits in EPL_LAAR */
#define E_LAAR_A19      0x01    /* address lines for above 1M ram */
#define E_LAAR_A20      0x02    /* address lines for above 1M ram */
#define E_LAAR_A21      0x04    /* address lines for above 1M ram */
#define E_LAAR_A22      0x08    /* address lines for above 1M ram */
#define E_LAAR_A23      0x10    /* address lines for above 1M ram */
#define E_LAAR_SOFTINT  0x20    /* enable software interrupt */
#define E_LAAR_LAN16E   0x40    /* enables 16 bit RAM for LAN */
#define E_LAAR_MEM16E   0x80    /* enables 16 bit RAM for host */

/* Bits and values in EPL_TLB */
#define E_TLB_EB        0x05    /* WD8013EB */
#define E_TLB_E         0x27    /* WD8013 Elite */
#define E_TLB_SMCE      0x29    /* SMC Elite 16 */
#define E_TLB_SMC8216C  0x2B    /* SMC 8216 C */

#define E_TLB_REV       0x1F    /* revision mask */
#define E_TLB_SOFT      0x20    /* soft config */
#define E_TLB_RAM       0x40    /* extra ram bit */

/* Bits in EPL_790_HWR */
#define E_790_HWR_SWH   0x80    /* switch register set */

/* Bits in EPL_790_ICR */
#define E_790_ICR_EIL   0x01    /* enable interrupts */

/* Bits in EPL_790_GCR when E_790_HWR_SWH is set in EPL_790_HWR */
#define E_790_GCR_IR0   0x04    /* bit 0 of encoded IRQ */
#define E_790_GCR_IR1   0x08    /* bit 1 of encoded IRQ */
#define E_790_GCR_IR2   0x40    /* bit 2 of encoded IRQ */

#define inb_we(dep, reg) (inb(dep->de_base_port+reg))
#define outb_we(dep, reg, data) (outb(dep->de_base_port+reg, data))

#endif                          /* WDETH_H */

/** wd.h **/