xref: /netbsd/sys/dev/ic/elink3var.h (revision 6550d01e)
1 /*	$NetBSD: elink3var.h,v 1.36 2009/09/05 12:30:59 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed by Herb Peyerl.
18  * 4. The name of Herb Peyerl may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include "rnd.h"
34 
35 #if NRND > 0
36 #include <sys/rnd.h>
37 #endif
38 
39 /*
40  * Ethernet software status per interface.
41  */
42 struct ep_softc {
43 	device_t sc_dev;
44 	void *sc_ih;
45 
46 	struct ethercom sc_ethercom;	/* Ethernet common part		*/
47 	struct mii_data sc_mii;		/* MII/media control		*/
48 	struct callout sc_mii_callout;	/* MII callout handle		*/
49 	struct callout sc_mbuf_callout;	/* mbuf fill callout		*/
50 	bus_space_tag_t sc_iot;		/* bus cookie			*/
51 	bus_space_handle_t sc_ioh;	/* bus i/o handle		*/
52 	bus_space_tag_t sc_memt;	/* RoadRunner only		*/
53 	bus_space_handle_t sc_memh;	/* RoadRunner only		*/
54 	u_int32_t sc_flags;		/* misc. flags			*/
55 #define MAX_MBS	8			/* # of mbufs we keep around	*/
56 	struct mbuf *mb[MAX_MBS];	/* spare mbuf storage.		*/
57 	int	next_mb;		/* Which mbuf to use next. 	*/
58 	int	last_mb;		/* Last mbuf.			*/
59 	int	tx_start_thresh;	/* Current TX_start_thresh.	*/
60 	int	tx_succ_ok;		/* # packets sent in sequence   */
61 					/* w/o underrun			*/
62 
63 	u_int	ep_flags;		/* capabilities flag (from EELINKROM) */
64 #define	ELINK_FLAGS_PNP			0x00001
65 #define	ELINK_FLAGS_FULLDUPLEX		0x00002
66 #define	ELINK_FLAGS_LARGELINKKT		0x00004	/* 4k packet support */
67 #define	ELINK_FLAGS_SLAVEDMA		0x00008
68 #define	ELINK_FLAGS_SECONDDMA		0x00010
69 #define	ELINK_FLAGS_FULLDMA		0x00020
70 #define	ELINK_FLAGS_FRAGMENTDMA		0x00040
71 #define	ELINK_FLAGS_CRC_PASSTHRU	0x00080
72 #define	ELINK_FLAGS_TXDONE		0x00100
73 #define	ELINK_FLAGS_NO_TXLENGTH		0x00200
74 #define	ELINK_FLAGS_RXRELINKEAT		0x00400
75 #define	ELINK_FLAGS_SNOOPING		0x00800
76 #define	ELINK_FLAGS_100MBIT		0x01000
77 #define	ELINK_FLAGS_POWERMGMT		0x02000
78 #define	ELINK_FLAGS_MII			0x04000
79 #define	ELINK_FLAGS_USEFIFOBUFFER	0x08000	/* RoadRunner only */
80 #define	ELINK_FLAGS_USESHAREDMEM	0x10000	/* RoadRunner only */
81 #define	ELINK_FLAGS_FORCENOWAIT		0x20000	/* RoadRunner only */
82 #define	ELINK_FLAGS_ATTACHED		0x40000	/* attach has succeeded */
83 
84 	u_short ep_chipset;		/* Chipset family on this board */
85 #define	ELINK_CHIPSET_3C509		0x00	/* PIO: 3c509, 3c589 */
86 #define	ELINK_CHIPSET_VORTEX		0x01	/* 100mbit, single-pkt DMA */
87 #define	ELINK_CHIPSET_BOOMERANG		0x02	/* Saner DMA plus PIO */
88 #define	ELINK_CHIPSET_ROADRUNNER	0x03	/* like Boomerang, but for
89 						   PCMCIA; has shared memory
90 						   plus FIFO buffer */
91 #define	ELINK_CHIPSET_CORKSCREW		0x04	/* like Boomerang, but DMA
92 						   hacked to work w/ ISA */
93 
94 	u_char	bustype;		/* parent bus type */
95 #define	ELINK_BUS_ISA	  	0x0
96 #define	ELINK_BUS_PCMCIA  	0x1
97 #define	ELINK_BUS_EISA	  	0x2
98 #define	ELINK_BUS_PCI	  	0x3
99 #define	ELINK_BUS_MCA	  	0x6
100 
101 #define	ELINK_IS_BUS_32(a)	((a) & 0x2)
102 	int ep_pktlenshift;		/* scale factor for pkt lengths */
103 
104 #if NRND > 0
105 	rndsource_element_t rnd_source;
106 #endif
107 
108 	/* power management hooks */
109 	int (*enable)(struct ep_softc *);
110 	void (*disable)(struct ep_softc *);
111 	int enabled;
112 };
113 
114 
115 u_int16_t epreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
116 int	epconfig(struct ep_softc *, u_short, u_int8_t *);
117 
118 int	epintr(void *);
119 
120 int	epenable(struct ep_softc *);
121 void	epdisable(struct ep_softc *);
122 
123 int	ep_activate(device_t, enum devact);
124 int	ep_detach(device_t, int);
125 
126 void	ep_power(int, void *);
127