190 lines
5.7 KiB
C
190 lines
5.7 KiB
C
/* $NetBSD: cs89x0var.h,v 1.9 2000/09/28 10:37:21 tsutsui Exp $ */
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/*
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* Copyright 1997
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* Digital Equipment Corporation. All rights reserved.
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*
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* This software is furnished under license and may be used and
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* copied only in accordance with the following terms and conditions.
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* Subject to these conditions, you may download, copy, install,
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* use, modify and distribute this software in source and/or binary
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* form. No title or ownership is transferred hereby.
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*
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* 1) Any source code used, modified or distributed must reproduce
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* and retain this copyright notice and list of conditions as
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* they appear in the source file.
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*
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* 2) No right is granted to use any trade name, trademark, or logo of
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* Digital Equipment Corporation. Neither the "Digital Equipment
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* Corporation" name nor any trademark or logo of Digital Equipment
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* Corporation may be used to endorse or promote products derived
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* from this software without the prior written permission of
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* Digital Equipment Corporation.
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*
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* 3) This software is provided "AS-IS" and any express or implied
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* warranties, including but not limited to, any implied warranties
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* of merchantability, fitness for a particular purpose, or
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* non-infringement are disclaimed. In no event shall DIGITAL be
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* liable for any damages whatsoever, and in particular, DIGITAL
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* shall not be liable for special, indirect, consequential, or
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* incidental damages or damages for lost profits, loss of
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* revenue or loss of use, whether such damages arise in contract,
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* negligence, tort, under statute, in equity, at law or otherwise,
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* even if advised of the possibility of such damage.
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*/
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/*
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**++
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** FACILITY Crystal CS8900 Ethernet driver header file
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**
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** ABSTRACT
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**
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** This module provides CS8900 driver softc and related definitions
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**
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** AUTHORS
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**
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** Peter Dettori SEA - Software Engineering.
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**
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** CREATION DATE:
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**
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** 13-Feb-1997.
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**
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** MODIFICATION HISTORY:
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**
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**--
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*/
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#ifndef _DEV_ISA_CS89X0VAR_H_
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#define _DEV_ISA_CS89X0VAR_H_
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/*
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* Ethernet software status per interface.
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*
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* Each interface is referenced by a network interface structure,
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* arpcom.ac_if, which the routing code uses to locate the interface.
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* This structure contains the output queue for the interface,
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* its address, ...
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*/
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struct cs_softc {
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struct device sc_dev; /* base device glue */
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struct ethercom sc_ethercom; /* Ethernet common */
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struct ifmedia sc_media; /* media control structures */
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void *sc_ih; /* interupt handler */
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void *sc_sh; /* shutdown hook */
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bus_space_tag_t sc_iot; /* bus space tag for IO */
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bus_space_tag_t sc_memt; /* bus space tag for memory mode */
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bus_space_handle_t sc_ioh; /* bus space handles */
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bus_space_handle_t sc_memh;
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isa_chipset_tag_t sc_ic; /* ISA chipset */
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int sc_irq; /* IRQ line */
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int sc_drq; /* DRQ line */
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int sc_prodid; /* saved product ID */
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int sc_prodrev; /* saved product rev */
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bus_addr_t sc_pktpgaddr; /* PacketPage bus memory address */
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bus_size_t sc_dmasize; /* DMA size (16k or 64k) */
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caddr_t sc_dmabase; /* base DMA address (KVA) */
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caddr_t sc_dmacur; /* current DMA address (KVA) */
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int sc_cfgflags; /* software configuration flags */
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int sc_memorymode; /* are we in memory mode? */
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int sc_txbusy; /* transmit in progress */
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int sc_resetting; /* reset in progress */
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int sc_xe_ent; /* current early-xmit table entry */
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int sc_xe_togo; /* # of packets to go at this ent */
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int sc_carrier; /* has carrier */
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u_int8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */
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#if NRND > 0
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rndsource_element_t rnd_source; /* random source */
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#endif
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};
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/*
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* Inlines for reading/writing the packet page area.
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*/
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static __inline__ u_int16_t CS_READ_PACKET_PAGE_IO __P((bus_space_tag_t,
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bus_space_handle_t, int));
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static __inline__ u_int16_t
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CS_READ_PACKET_PAGE_IO(iot, ioh, offset)
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bus_space_tag_t iot;
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bus_space_handle_t ioh;
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int offset;
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{
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bus_space_write_2(iot, ioh, PORT_PKTPG_PTR, offset);
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return (bus_space_read_2(iot, ioh, PORT_PKTPG_DATA));
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}
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#define CS_READ_PACKET_PAGE_MEM(memt, memh, offset) \
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bus_space_read_2((memt), (memh), (offset))
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#define CS_READ_PACKET_PAGE(sc, offset) \
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((sc)->sc_memorymode ? CS_READ_PACKET_PAGE_MEM((sc)->sc_memt, \
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(sc)->sc_memh, (offset)) : \
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CS_READ_PACKET_PAGE_IO((sc)->sc_iot, (sc)->sc_ioh, (offset)))
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#define CS_WRITE_PACKET_PAGE_IO(iot, ioh, offset, val) \
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do { \
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bus_space_write_2((iot), (ioh), PORT_PKTPG_PTR, (offset)); \
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bus_space_write_2((iot), (ioh), PORT_PKTPG_DATA, (val)); \
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} while (0)
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#define CS_WRITE_PACKET_PAGE_MEM(memt, memh, offset, val) \
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bus_space_write_2((memt), (memh), (offset), (val))
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#define CS_WRITE_PACKET_PAGE(sc, offset, val) \
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do { \
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if ((sc)->sc_memorymode) \
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CS_WRITE_PACKET_PAGE_MEM((sc)->sc_memt, (sc)->sc_memh, \
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(offset), (val)); \
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else \
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CS_WRITE_PACKET_PAGE_IO((sc)->sc_iot, (sc)->sc_ioh, \
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(offset), (val)); \
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} while (0)
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/* Return Status */
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#define CS_ERROR -1
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#define CS_OK 1
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/* Config Flags in cs_softc */
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#define CFGFLG_MEM_MODE 0x0001
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#define CFGFLG_USE_SA 0x0002
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#define CFGFLG_IOCHRDY 0x0004
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#define CFGFLG_DCDC_POL 0x0008
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#define CFGFLG_DMA_MODE 0x0020
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#define CFGFLG_NOT_EEPROM 0x8000
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/* Media Type in cs_softc */
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#define MEDIA_AUI 0x0001
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#define MEDIA_10BASE2 0x0002
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#define MEDIA_10BASET 0x0003
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/* Miscellaneous definitions */
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#define MAXLOOP 0x8888
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void cs_attach __P((struct cs_softc *sc, u_int8_t *enaddr,
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int *media, int nmedia, int defmedia));
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int cs_verify_eeprom __P((bus_space_tag_t, bus_space_handle_t));
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int cs_read_eeprom __P((bus_space_tag_t, bus_space_handle_t, int,
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u_int16_t *));
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int cs_intr __P((void *));
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#endif /* _DEV_ISA_CS89X0VAR_H_ */
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