xref: /netbsd-src/sys/arch/next68k/dev/mb8795var.h (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /*	$NetBSD: mb8795var.h,v 1.3 2001/04/02 05:29:43 dbj Exp $	*/
2 /*
3  * Copyright (c) 1998 Darrin B. Jewell
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed by Darrin B. Jewell
17  * 4. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include "rnd.h"                /* is random device-driver configured? */
33 #if NRND > 0
34 #include <sys/rnd.h>
35 #endif  /* NRND */
36 
37 #define MB8795_NRXBUFS (32)
38 
39 struct mb8795_softc {
40 	struct	device sc_dev;		/* base device glue */
41 	struct	ethercom sc_ethercom;	/* Ethernet common part */
42 
43 	void	*sc_sh;		/* shutdownhook cookie */
44 
45 	int sc_debug;
46 
47 	bus_space_tag_t sc_bst;    /* bus space tag */
48 
49 	bus_space_handle_t sc_bsh; /* bus space handle */
50 
51 	u_int8_t sc_enaddr[6];
52 
53 	bus_dma_tag_t sc_tx_dmat;
54 	bus_dmamap_t sc_tx_dmamap; /* should we have multiple of these? */
55 	struct mbuf *sc_tx_mb_head;   /* pointer to data for this command */
56 	int sc_tx_loaded;
57 
58 	u_char *sc_txbuf;							/* to solve alignment problems, we
59 																 * copy the mbuf into this buffer before
60 																 * trying to dma it */
61 
62 	bus_dma_tag_t sc_rx_dmat;
63 	bus_dmamap_t sc_rx_dmamap[MB8795_NRXBUFS];
64 	struct mbuf *sc_rx_mb_head[MB8795_NRXBUFS];
65 	int sc_rx_loaded_idx;
66 	int sc_rx_completed_idx;
67 	int sc_rx_handled_idx;
68 
69 	struct nextdma_config *sc_tx_nd;		/* @@@ this shouldn't be here */
70 	struct nextdma_config *sc_rx_nd;		/* @@@ this shouldn't be here */
71 
72 #if NRND > 0
73 	rndsource_element_t     rnd_source;
74 #endif /* NRND */
75 
76 };
77 
78 void mb8795_config __P((struct mb8795_softc *));
79 void mb8795_init __P((struct mb8795_softc *));
80 int mb8795_ioctl __P((struct ifnet *, u_long, caddr_t));
81 void mb8795_reset __P((struct mb8795_softc *));
82 void mb8795_start __P((struct ifnet *));
83 void mb8795_stop __P((struct mb8795_softc *));
84 void mb8795_watchdog __P((struct ifnet *));
85 
86 void mb8795_rint __P((struct mb8795_softc *));
87 void mb8795_tint __P((struct mb8795_softc *));
88