1/*	$NetBSD: mb8795var.h,v 1.12 2011/11/19 22:51:20 tls 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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/rnd.h>
28
29#define MB8795_NRXBUFS (32)
30
31struct mb8795_softc;
32
33/*
34 * Function switch used as glue to MD code.
35 */
36struct mb8795_glue {
37	/* Mandatory entry points. */
38	u_char	(*gl_read_reg)(struct mb8795_softc *, int);
39	void	(*gl_write_reg)(struct mb8795_softc *, int, u_char);
40	void	(*gl_dma_reset)(struct mb8795_softc *);
41	void	(*gl_dma_rx_setup)(struct mb8795_softc *);
42	void	(*gl_dma_rx_go)(struct mb8795_softc *);
43	struct mbuf *	(*gl_dma_rx_mbuf)(struct mb8795_softc *);
44	void	(*gl_dma_tx_setup)(struct mb8795_softc *);
45	void	(*gl_dma_tx_go)(struct mb8795_softc *);
46	int	(*gl_dma_tx_mbuf)(struct mb8795_softc *, struct mbuf *);
47	int	(*gl_dma_tx_isactive)(struct mb8795_softc *);
48	/* Optional entry points. */
49};
50
51struct mb8795_softc {
52	struct device		sc_dev;		/* base device glue */
53	struct ethercom		sc_ethercom;	/* Ethernet common part */
54
55	struct	mb8795_glue 	*sc_glue;	/* glue to MD code */
56
57	void	*sc_sh;		/* shutdownhook cookie */
58
59	int sc_debug;
60
61	bus_space_tag_t sc_bmap_bst;    /* bus space tag */
62
63	bus_space_handle_t sc_bmap_bsh; /* bus space handle */
64
65	u_int8_t sc_enaddr[6];
66
67	struct ifaltq sc_tx_snd;
68
69	struct ifmedia sc_media;
70
71	krndsource_t     rnd_source;
72
73};
74
75/*
76 * Macros to read and write the chip's registers.
77 */
78#define	MB_READ_REG(sc, reg)		\
79	(*(sc)->sc_glue->gl_read_reg)((sc), (reg))
80#define	MB_WRITE_REG(sc, reg, val)	\
81	(*(sc)->sc_glue->gl_write_reg)((sc), (reg), (val))
82
83/*
84 * DMA macros for mb8795
85 */
86#define	MBDMA_RESET(sc)	(*(sc)->sc_glue->gl_dma_reset)((sc))
87#define	MBDMA_SETUP(sc, addr, len, datain, dmasize)	\
88     (*(sc)->sc_glue->gl_dma_setup)((sc), (addr), (len), (datain), (dmasize))
89#define	MBDMA_GO(sc)		(*(sc)->sc_glue->gl_dma_go)((sc))
90#define	MBDMA_ISACTIVE(sc)	(*(sc)->sc_glue->gl_dma_isactive)((sc))
91#define MBDMA_RX_SETUP(sc)	(*(sc)->sc_glue->gl_dma_rx_setup) ((sc))
92#define MBDMA_RX_GO(sc)		(*(sc)->sc_glue->gl_dma_rx_go) ((sc))
93#define MBDMA_RX_MBUF(sc)	(*(sc)->sc_glue->gl_dma_rx_mbuf) ((sc))
94#define MBDMA_TX_SETUP(sc)	(*(sc)->sc_glue->gl_dma_tx_setup) ((sc))
95#define MBDMA_TX_GO(sc)		(*(sc)->sc_glue->gl_dma_tx_go) ((sc))
96#define MBDMA_TX_MBUF(sc,m)	(*(sc)->sc_glue->gl_dma_tx_mbuf) ((sc), (m))
97#define	MBDMA_TX_ISACTIVE(sc)	(*(sc)->sc_glue->gl_dma_tx_isactive)((sc))
98
99void mb8795_config(struct mb8795_softc *, int *, int, int);
100void mb8795_init(struct mb8795_softc *);
101int mb8795_ioctl(struct ifnet *, u_long, void *);
102void mb8795_reset(struct mb8795_softc *);
103void mb8795_start(struct ifnet *);
104void mb8795_stop(struct mb8795_softc *);
105void mb8795_watchdog(struct ifnet *);
106
107void mb8795_rint(struct mb8795_softc *);
108void mb8795_tint(struct mb8795_softc *);
109