1 /* $OpenBSD: if_rl_pci.c,v 1.35 2024/05/24 06:02:56 jsg Exp $ */
2
3 /*
4 * Copyright (c) 1997, 1998
5 * Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38 #include <sys/timeout.h>
39
40 #include <net/if.h>
41
42 #include <netinet/in.h>
43 #include <netinet/if_ether.h>
44
45 #include <net/if_media.h>
46
47 #include <machine/bus.h>
48
49 #include <dev/mii/miivar.h>
50 #include <dev/pci/pcireg.h>
51 #include <dev/pci/pcivar.h>
52 #include <dev/pci/pcidevs.h>
53
54 /*
55 * Default to using PIO access for this driver. On SMP systems,
56 * there appear to be problems with memory mapped mode: it looks like
57 * doing too many memory mapped access back to back in rapid succession
58 * can hang the bus. I'm inclined to blame this on crummy design/construction
59 * on the part of Realtek. Memory mapped mode does appear to work on
60 * uniprocessor systems though.
61 */
62 #define RL_USEIOSPACE
63
64 #include <dev/ic/rtl81x9reg.h>
65
66 int rl_pci_match(struct device *, void *, void *);
67 void rl_pci_attach(struct device *, struct device *, void *);
68 int rl_pci_detach(struct device *, int);
69
70 struct rl_pci_softc {
71 struct rl_softc psc_softc;
72 pci_chipset_tag_t psc_pc;
73 bus_size_t psc_mapsize;
74 };
75
76 const struct cfattach rl_pci_ca = {
77 sizeof(struct rl_pci_softc), rl_pci_match, rl_pci_attach, rl_pci_detach,
78 rl_activate
79 };
80
81 const struct pci_matchid rl_pci_devices[] = {
82 { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2000VX },
83 { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 },
84 { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 },
85 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_2CB_TXD },
86 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_CB_TXD },
87 { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 },
88 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE520TX_C1 },
89 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE530TXPLUS },
90 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE690TXD },
91 { PCI_VENDOR_DLINK2, PCI_PRODUCT_DLINK2_DFE530TXPLUS2 },
92 { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 },
93 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3603_TX },
94 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3800_TX },
95 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 },
96 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8138 },
97 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139D }
98 };
99
100 int
rl_pci_match(struct device * parent,void * match,void * aux)101 rl_pci_match(struct device *parent, void *match, void *aux)
102 {
103 struct pci_attach_args *pa = aux;
104
105 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK &&
106 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 &&
107 PCI_REVISION(pa->pa_class) == 0x10)
108 return (1);
109
110 return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices,
111 nitems(rl_pci_devices)));
112 }
113
114 void
rl_pci_attach(struct device * parent,struct device * self,void * aux)115 rl_pci_attach(struct device *parent, struct device *self, void *aux)
116 {
117 struct rl_pci_softc *psc = (void *)self;
118 struct rl_softc *sc = &psc->psc_softc;
119 struct pci_attach_args *pa = aux;
120 pci_chipset_tag_t pc = pa->pa_pc;
121 pci_intr_handle_t ih;
122 const char *intrstr = NULL;
123
124 /*
125 * Map control/status registers.
126 */
127
128 #ifdef RL_USEIOSPACE
129 if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0,
130 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)) {
131 printf(": can't map i/o space\n");
132 return;
133 }
134 #else
135 if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0,
136 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)){
137 printf(": can't map mem space\n");
138 return;
139 }
140 #endif
141
142 /*
143 * Allocate our interrupt.
144 */
145 if (pci_intr_map(pa, &ih)) {
146 printf(": couldn't map interrupt\n");
147 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize);
148 return;
149 }
150
151 psc->psc_pc = pa->pa_pc;
152 intrstr = pci_intr_string(pc, ih);
153 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc,
154 self->dv_xname);
155 if (sc->sc_ih == NULL) {
156 printf(": couldn't establish interrupt");
157 if (intrstr != NULL)
158 printf(" at %s", intrstr);
159 printf("\n");
160 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize);
161 return;
162 }
163 printf(": %s", intrstr);
164
165 sc->sc_dmat = pa->pa_dmat;
166
167 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8129)
168 sc->rl_type = RL_8129;
169 else
170 sc->rl_type = RL_8139;
171
172 rl_attach(sc);
173 }
174
175 int
rl_pci_detach(struct device * self,int flags)176 rl_pci_detach(struct device *self, int flags)
177 {
178 struct rl_pci_softc *psc = (void *)self;
179 struct rl_softc *sc = &psc->psc_softc;
180 int rv;
181
182 rv = rl_detach(sc);
183 if (rv)
184 return (rv);
185
186 if (sc->sc_ih != NULL)
187 pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
188
189 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize);
190
191 return (0);
192 }
193