summaryrefslogtreecommitdiff
path: root/sys/dev/ic/dm9000var.h
blob: 9ad19e12e97b267257350c216768789eddb34769 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/*	$NetBSD: dm9000var.h,v 1.7 2020/05/29 09:05:19 rin Exp $	*/

/*
 * Copyright (c) 2009 Paul Fleischer
 * All rights reserved.
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the company nor the name of the author may be used to
 *    endorse or promote products derived from this software without specific
 *    prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/* Based on sys/dev/ic/cs89x0var.h */
/*
 * 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.
 */

#ifndef _DEV_IC_DM9000VAR_H_
#define _DEV_IC_DM9000VAR_H_

#include <sys/callout.h>
#include <sys/rndsource.h>

#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>

#define DM9000_MODE_8BIT 2
#define DM9000_MODE_16BIT 0
#define DM9000_MODE_32BIT 1

struct dme_softc {
	device_t	sc_dev;		/* Generic Base Device */
	struct ethercom sc_ethercom;	/* Ethernet common data */
	struct mii_data sc_mii;		/* MII/media information */
	bus_space_tag_t		sc_iot;
	bus_space_handle_t	sc_ioh;
	void		*sc_ih;

	uint		dme_io;
	uint		dme_data;

	uint16_t	sc_vendor_id;
	uint16_t	sc_product_id;

	uint8_t		sc_data_width;

	uint8_t		sc_enaddr[ETHER_ADDR_LEN];

	int		txbusy;		/* A packet is being transmitted. */
	int		txready;	/* A packet has been sent to the DM9000
					   for transmission. */
	uint16_t	txready_length;

	int (*sc_pkt_write)(struct dme_softc *, struct mbuf *);
	int (*sc_pkt_read)(struct dme_softc *, struct mbuf **);

	callout_t	sc_link_callout;

	bool		sc_phy_initialized;

#ifdef DIAGNOSTIC
	bool		sc_inside_interrupt;
#endif
	krndsource_t rnd_source;
};

/* Function declarations */
int	dme_attach(struct dme_softc *, const uint8_t *);
int	dme_detach(struct dme_softc *);
int	dme_intr(void *);

/* Inline memory access methods */
static __inline uint8_t
dme_read(struct dme_softc *sc, int reg)
{
	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg);
	return (bus_space_read_1(sc->sc_iot, sc->sc_ioh, sc->dme_data));
}

static __inline void
dme_write(struct dme_softc *sc, int reg, uint8_t value)
{
	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg);
	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_data, value);
}

static __inline void
dme_write2(struct dme_softc *sc, int reg, uint16_t value)
{
	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg);
	bus_space_write_2(sc->sc_iot, sc->sc_ioh, sc->dme_data, value);
}

static __inline void
dme_write_c(struct dme_softc *sc, int reg, const uint8_t value[], uint count)
{
	for(int i=0; i<count; i++) {
		dme_write(sc, reg+i, value[i]);
	}
}

static __inline void
dme_read_c(struct dme_softc *sc, int reg, uint8_t *value, uint count)
{
	for(int i=0; i<count; i++) {
		value[i] = dme_read(sc, reg+i);
	}
}

#endif /* _DEV_IC_DM9000VAR_H_ */