if_ed_rtl80x9.c revision 331722
1/*-
2 * Copyright (c) 2003, David Madole
3 * All rights reserved.
4 * Copyright (c) 2005, M. Warner Losh.
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 unmodified, this list of conditions, and the following
12 *    disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * Based on patches subitted by: David Madole, edited by M. Warner Losh.
30 */
31
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: stable/11/sys/dev/ed/if_ed_rtl80x9.c 331722 2018-03-29 02:50:57Z eadler $");
35
36#include "opt_ed.h"
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/sockio.h>
41#include <sys/mbuf.h>
42#include <sys/kernel.h>
43#include <sys/socket.h>
44#include <sys/syslog.h>
45
46#include <sys/bus.h>
47
48#include <machine/bus.h>
49#include <sys/rman.h>
50#include <machine/resource.h>
51
52#include <net/ethernet.h>
53#include <net/if.h>
54#include <net/if_var.h>
55#include <net/if_arp.h>
56#include <net/if_dl.h>
57#include <net/if_mib.h>
58#include <net/if_media.h>
59
60#include <net/bpf.h>
61
62#include <dev/ed/if_edreg.h>
63#include <dev/ed/if_edvar.h>
64#include <dev/ed/rtl80x9reg.h>
65
66static int	ed_rtl_set_media(struct ifnet *ifp);
67static void	ed_rtl_get_media(struct ifnet *ifp, struct ifmediareq *);
68
69static int
70ed_rtl80x9_media_ioctl(struct ed_softc *sc, struct ifreq *ifr, u_long command)
71{
72	return (ifmedia_ioctl(sc->ifp, ifr, &sc->ifmedia, command));
73}
74
75int
76ed_probe_RTL80x9(device_t dev, int port_rid, int flags)
77{
78	struct ed_softc *sc = device_get_softc(dev);
79	char *ts;
80	int error;
81
82	if ((error = ed_alloc_port(dev, port_rid, ED_NOVELL_IO_PORTS)))
83		return (error);
84
85	sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
86	sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
87
88	if (ed_nic_inb(sc, ED_P0_CR) & (ED_CR_PS0 | ED_CR_PS1))
89		ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
90
91	if (ed_nic_inb(sc, ED_RTL80X9_80X9ID0) != ED_RTL80X9_ID0)
92		return (ENXIO);
93
94	switch (ed_nic_inb(sc, ED_RTL80X9_80X9ID1)) {
95	case ED_RTL8019_ID1:
96		sc->chip_type = ED_CHIP_TYPE_RTL8019;
97		ts = "RTL8019";
98		break;
99	case ED_RTL8029_ID1:
100		sc->chip_type = ED_CHIP_TYPE_RTL8029;
101		ts = "RTL8029";
102		break;
103	default:
104		return (ENXIO);
105	}
106
107	if ((error = ed_probe_Novell_generic(dev, flags)))
108		return (error);
109
110	sc->type_str = ts;
111	sc->sc_media_ioctl = &ed_rtl80x9_media_ioctl;
112	ifmedia_init(&sc->ifmedia, 0, ed_rtl_set_media, ed_rtl_get_media);
113
114	ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 0, 0);
115	ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, 0);
116	ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_2, 0, 0);
117	ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_5, 0, 0);
118	ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
119
120	ed_nic_barrier(sc, ED_P0_CR, 1,
121	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
122	ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_PAGE_3 | ED_CR_STP);
123	ed_nic_barrier(sc, ED_P0_CR, 1,
124	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
125
126	switch (ed_nic_inb(sc, ED_RTL80X9_CONFIG2) & ED_RTL80X9_CF2_MEDIA) {
127	case ED_RTL80X9_CF2_AUTO:
128		ifmedia_set(&sc->ifmedia, IFM_ETHER | IFM_AUTO);
129		break;
130	case ED_RTL80X9_CF2_10_5:
131		ifmedia_set(&sc->ifmedia, IFM_ETHER | IFM_10_5);
132		break;
133	case ED_RTL80X9_CF2_10_2:
134		ifmedia_set(&sc->ifmedia, IFM_ETHER | IFM_10_2);
135		break;
136	case ED_RTL80X9_CF2_10_T:
137		ifmedia_set(&sc->ifmedia, IFM_ETHER | IFM_10_T |
138		    ((ed_nic_inb(sc, ED_RTL80X9_CONFIG3)
139		    & ED_RTL80X9_CF3_FUDUP) ? IFM_FDX : 0));
140		break;
141	}
142	return (0);
143}
144
145static int
146ed_rtl_set_media(struct ifnet *ifp)
147{
148	struct ed_softc *sc;
149
150	sc = ifp->if_softc;
151	ED_LOCK(sc);
152	ed_nic_barrier(sc, ED_P0_CR, 1,
153	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
154	ed_nic_outb(sc, ED_P0_CR, sc->cr_proto | ED_CR_PAGE_3
155		| (ed_nic_inb(sc, ED_P0_CR) & (ED_CR_STA | ED_CR_STP)));
156	ed_nic_barrier(sc, ED_P0_CR, 1,
157	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
158
159	switch(IFM_SUBTYPE(sc->ifmedia.ifm_cur->ifm_media)) {
160	case IFM_10_T:
161		ed_nic_outb(sc, ED_RTL80X9_CONFIG2, ED_RTL80X9_CF2_10_T
162			| (ed_nic_inb(sc, ED_RTL80X9_CONFIG2)
163				& ~ED_RTL80X9_CF2_MEDIA));
164		break;
165	case IFM_10_2:
166		ed_nic_outb(sc, ED_RTL80X9_CONFIG2, ED_RTL80X9_CF2_10_2
167			| (ed_nic_inb(sc, ED_RTL80X9_CONFIG2)
168				& ~ED_RTL80X9_CF2_MEDIA));
169		break;
170	case IFM_10_5:
171		ed_nic_outb(sc, ED_RTL80X9_CONFIG2, ED_RTL80X9_CF2_10_5
172			| (ed_nic_inb(sc, ED_RTL80X9_CONFIG2)
173				& ~ED_RTL80X9_CF2_MEDIA));
174		break;
175	case IFM_AUTO:
176		ed_nic_outb(sc, ED_RTL80X9_CONFIG2, ED_RTL80X9_CF2_AUTO
177			| (ed_nic_inb(sc, ED_RTL80X9_CONFIG2)
178				& ~ED_RTL80X9_CF2_MEDIA));
179		break;
180	}
181	ed_nic_outb(sc, ED_RTL80X9_CONFIG3,
182		(sc->ifmedia.ifm_cur->ifm_media & IFM_FDX) ?
183		(ed_nic_inb(sc, ED_RTL80X9_CONFIG3) | ED_RTL80X9_CF3_FUDUP) :
184		(ed_nic_inb(sc, ED_RTL80X9_CONFIG3) & ~ED_RTL80X9_CF3_FUDUP));
185
186	ED_UNLOCK(sc);
187	return (0);
188}
189
190static void
191ed_rtl_get_media(struct ifnet *ifp, struct ifmediareq *imr)
192{
193	struct ed_softc *sc;
194
195	sc = ifp->if_softc;
196	imr->ifm_active = sc->ifmedia.ifm_cur->ifm_media;
197
198
199	if (IFM_SUBTYPE(imr->ifm_active) == IFM_AUTO) {
200		ED_LOCK(sc);
201		ed_nic_barrier(sc, ED_P0_CR, 1,
202		    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
203		ed_nic_outb(sc, ED_P0_CR, sc->cr_proto | ED_CR_PAGE_3 |
204			(ed_nic_inb(sc, ED_P0_CR) & (ED_CR_STA | ED_CR_STP)));
205		ed_nic_barrier(sc, ED_P0_CR, 1,
206		    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
207
208		switch (ed_nic_inb(sc, ED_RTL80X9_CONFIG0)
209				& (sc->chip_type == ED_CHIP_TYPE_RTL8029 ? ED_RTL80X9_CF0_BNC
210				: (ED_RTL80X9_CF0_AUI | ED_RTL80X9_CF0_BNC))) {
211		case ED_RTL80X9_CF0_BNC:
212			imr->ifm_active |= IFM_10_2;
213			break;
214		case ED_RTL80X9_CF0_AUI:
215			imr->ifm_active |= IFM_10_5;
216			break;
217		default:
218			imr->ifm_active |= IFM_10_T;
219			break;
220		}
221		ED_UNLOCK(sc);
222	}
223	imr->ifm_status = 0;
224}
225
226