NetBSD/sys/dev/isa/cs89x0var.h
1999-03-30 21:02:41 +00:00

190 lines
5.7 KiB
C

/* $NetBSD: cs89x0var.h,v 1.8 1999/03/30 21:02:41 mycroft Exp $ */
/*
* Copyright 1997
* Digital Equipment Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and conditions.
* Subject to these conditions, you may download, copy, install,
* use, modify and distribute this software in source and/or binary
* form. No title or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions as
* they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or logo of
* Digital Equipment Corporation. Neither the "Digital Equipment
* Corporation" name nor any trademark or logo of Digital Equipment
* Corporation may be used to endorse or promote products derived
* from this software without the prior written permission of
* Digital Equipment Corporation.
*
* 3) This software is provided "AS-IS" and any express or implied
* warranties, including but not limited to, any implied warranties
* of merchantability, fitness for a particular purpose, or
* non-infringement are disclaimed. In no event shall DIGITAL be
* liable for any damages whatsoever, and in particular, DIGITAL
* shall not be liable for special, indirect, consequential, or
* incidental damages or damages for lost profits, loss of
* revenue or loss of use, whether such damages arise in contract,
* negligence, tort, under statute, in equity, at law or otherwise,
* even if advised of the possibility of such damage.
*/
/*
**++
** FACILITY Crystal CS8900 Ethernet driver header file
**
** ABSTRACT
**
** This module provides CS8900 driver softc and related definitions
**
** AUTHORS
**
** Peter Dettori SEA - Software Engineering.
**
** CREATION DATE:
**
** 13-Feb-1997.
**
** MODIFICATION HISTORY:
**
**--
*/
#ifndef _DEV_ISA_CS89X0VAR_H_
#define _DEV_ISA_CS89X0VAR_H_
/*
* Ethernet software status per interface.
*
* Each interface is referenced by a network interface structure,
* arpcom.ac_if, which the routing code uses to locate the interface.
* This structure contains the output queue for the interface,
* its address, ...
*/
struct cs_softc {
struct device sc_dev; /* base device glue */
struct ethercom sc_ethercom; /* Ethernet common */
struct ifmedia sc_media; /* media control structures */
void *sc_ih; /* interupt handler */
void *sc_sh; /* shutdown hook */
bus_space_tag_t sc_iot; /* bus space tag for IO */
bus_space_tag_t sc_memt; /* bus space tag for memory mode */
bus_space_handle_t sc_ioh; /* bus space handles */
bus_space_handle_t sc_memh;
isa_chipset_tag_t sc_ic; /* ISA chipset */
int sc_irq; /* IRQ line */
int sc_drq; /* DRQ line */
int sc_prodid; /* saved product ID */
int sc_prodrev; /* saved product rev */
bus_addr_t sc_pktpgaddr; /* PacketPage bus memory address */
bus_size_t sc_dmasize; /* DMA size (16k or 64k) */
caddr_t sc_dmabase; /* base DMA address (KVA) */
caddr_t sc_dmacur; /* current DMA address (KVA) */
int sc_cfgflags; /* software configuration flags */
int sc_memorymode; /* are we in memory mode? */
int sc_txbusy; /* transmit in progress */
int sc_resetting; /* reset in progress */
int sc_xe_ent; /* current early-xmit table entry */
int sc_xe_togo; /* # of packets to go at this ent */
int sc_carrier; /* has carrier */
u_int8_t sc_enaddr[6]; /* MAC address */
#if NRND > 0
rndsource_element_t rnd_source; /* random source */
#endif
};
/*
* Inlines for reading/writing the packet page area.
*/
static __inline__ u_int16_t CS_READ_PACKET_PAGE_IO __P((bus_space_tag_t,
bus_space_handle_t, int));
static __inline__ u_int16_t
CS_READ_PACKET_PAGE_IO(iot, ioh, offset)
bus_space_tag_t iot;
bus_space_handle_t ioh;
int offset;
{
bus_space_write_2(iot, ioh, PORT_PKTPG_PTR, offset);
return (bus_space_read_2(iot, ioh, PORT_PKTPG_DATA));
}
#define CS_READ_PACKET_PAGE_MEM(memt, memh, offset) \
bus_space_read_2((memt), (memh), (offset))
#define CS_READ_PACKET_PAGE(sc, offset) \
((sc)->sc_memorymode ? CS_READ_PACKET_PAGE_MEM((sc)->sc_memt, \
(sc)->sc_memh, (offset)) : \
CS_READ_PACKET_PAGE_IO((sc)->sc_iot, (sc)->sc_ioh, (offset)))
#define CS_WRITE_PACKET_PAGE_IO(iot, ioh, offset, val) \
do { \
bus_space_write_2((iot), (ioh), PORT_PKTPG_PTR, (offset)); \
bus_space_write_2((iot), (ioh), PORT_PKTPG_DATA, (val)); \
} while (0)
#define CS_WRITE_PACKET_PAGE_MEM(memt, memh, offset, val) \
bus_space_write_2((memt), (memh), (offset), (val))
#define CS_WRITE_PACKET_PAGE(sc, offset, val) \
do { \
if ((sc)->sc_memorymode) \
CS_WRITE_PACKET_PAGE_MEM((sc)->sc_memt, (sc)->sc_memh, \
(offset), (val)); \
else \
CS_WRITE_PACKET_PAGE_IO((sc)->sc_iot, (sc)->sc_ioh, \
(offset), (val)); \
} while (0)
/* Return Status */
#define CS_ERROR -1
#define CS_OK 1
/* Config Flags in cs_softc */
#define CFGFLG_MEM_MODE 0x0001
#define CFGFLG_USE_SA 0x0002
#define CFGFLG_IOCHRDY 0x0004
#define CFGFLG_DCDC_POL 0x0008
#define CFGFLG_DMA_MODE 0x0020
#define CFGFLG_NOT_EEPROM 0x8000
/* Media Type in cs_softc */
#define MEDIA_AUI 0x0001
#define MEDIA_10BASE2 0x0002
#define MEDIA_10BASET 0x0003
/* Miscellaneous definitions */
#define MAXLOOP 0x8888
void cs_attach __P((struct cs_softc *sc, u_int8_t *enaddr,
int *media, int nmedia, int defmedia));
int cs_verify_eeprom __P((bus_space_tag_t, bus_space_handle_t));
int cs_read_eeprom __P((bus_space_tag_t, bus_space_handle_t, int,
u_int16_t *));
int cs_intr __P((void *));
#endif /* _DEV_ISA_CS89X0VAR_H_ */