1 | /* $NetBSD: if_cs_pcmcia.c,v 1.22 2016/07/07 06:55:42 msaitoh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c)2001 YAMAMOTO Takashi, |
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, 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 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
26 | * SUCH DAMAGE. |
27 | */ |
28 | |
29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: if_cs_pcmcia.c,v 1.22 2016/07/07 06:55:42 msaitoh Exp $" ); |
31 | |
32 | #include <sys/param.h> |
33 | #include <sys/systm.h> |
34 | #include <sys/device.h> |
35 | #include <sys/socket.h> |
36 | #include <sys/queue.h> |
37 | |
38 | #include <net/if.h> |
39 | #include <net/if_ether.h> |
40 | #include <net/if_media.h> |
41 | |
42 | #include <sys/bus.h> |
43 | #include <sys/intr.h> |
44 | |
45 | #include <dev/pcmcia/pcmciareg.h> |
46 | #include <dev/pcmcia/pcmciavar.h> |
47 | #include <dev/pcmcia/pcmciadevs.h> |
48 | |
49 | #include <dev/ic/cs89x0reg.h> |
50 | #include <dev/ic/cs89x0var.h> |
51 | |
52 | struct cs_pcmcia_softc; |
53 | |
54 | static int cs_pcmcia_match(device_t, cfdata_t, void *); |
55 | static int cs_pcmcia_validate_config(struct pcmcia_config_entry *); |
56 | static void cs_pcmcia_attach(device_t, device_t, void *); |
57 | static int cs_pcmcia_detach(device_t, int); |
58 | static int cs_pcmcia_enable(struct cs_softc *); |
59 | static void cs_pcmcia_disable(struct cs_softc *); |
60 | |
61 | struct cs_pcmcia_softc { |
62 | struct cs_softc sc_cs; /* real "cs" softc */ |
63 | |
64 | struct pcmcia_function *sc_pf; |
65 | |
66 | int sc_state; |
67 | #define CS_PCMCIA_ATTACHED 3 |
68 | }; |
69 | |
70 | CFATTACH_DECL_NEW(cs_pcmcia, sizeof(struct cs_pcmcia_softc), |
71 | cs_pcmcia_match, cs_pcmcia_attach, cs_pcmcia_detach, cs_activate); |
72 | |
73 | static int |
74 | cs_pcmcia_match(device_t parent, cfdata_t match, |
75 | void *aux) |
76 | { |
77 | struct pcmcia_attach_args *pa = aux; |
78 | |
79 | if (pa->manufacturer == PCMCIA_VENDOR_IBM && |
80 | pa->product == PCMCIA_PRODUCT_IBM_ETHERJET) |
81 | return (1); |
82 | return (0); |
83 | } |
84 | |
85 | static int |
86 | cs_pcmcia_validate_config(struct pcmcia_config_entry *cfe) |
87 | { |
88 | if (cfe->iftype != PCMCIA_IFTYPE_IO || |
89 | cfe->num_memspace != 0 || |
90 | cfe->num_iospace != 1 || |
91 | cfe->iospace[0].length < CS8900_IOSIZE) |
92 | return (EINVAL); |
93 | return (0); |
94 | } |
95 | |
96 | static void |
97 | cs_pcmcia_attach(device_t parent, device_t self, void *aux) |
98 | { |
99 | struct cs_pcmcia_softc *psc = device_private(self); |
100 | struct cs_softc *sc = &psc->sc_cs; |
101 | struct pcmcia_attach_args *pa = aux; |
102 | struct pcmcia_config_entry *cfe; |
103 | struct pcmcia_function *pf; |
104 | int error; |
105 | |
106 | sc->sc_dev = self; |
107 | pf = psc->sc_pf = pa->pf; |
108 | |
109 | error = pcmcia_function_configure(pa->pf, cs_pcmcia_validate_config); |
110 | if (error) { |
111 | aprint_error_dev(self, "configure failed, error=%d\n" , error); |
112 | return; |
113 | } |
114 | |
115 | cfe = pf->cfe; |
116 | sc->sc_iot = cfe->iospace[0].handle.iot; |
117 | sc->sc_ioh = cfe->iospace[0].handle.ioh; |
118 | sc->sc_irq = -1; |
119 | #define CS_PCMCIA_HACK_FOR_CARDBUS |
120 | #ifdef CS_PCMCIA_HACK_FOR_CARDBUS |
121 | /* |
122 | * XXX is there a generic way to know if it's a cardbus or not? |
123 | */ |
124 | sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK; |
125 | #endif |
126 | |
127 | error = cs_pcmcia_enable(sc); |
128 | if (error) |
129 | goto fail; |
130 | |
131 | sc->sc_enable = cs_pcmcia_enable; |
132 | sc->sc_disable = cs_pcmcia_disable; |
133 | |
134 | /* chip attach */ |
135 | error = cs_attach(sc, 0, 0, 0, 0); |
136 | if (error) |
137 | goto fail2; |
138 | |
139 | cs_pcmcia_disable(sc); |
140 | psc->sc_state = CS_PCMCIA_ATTACHED; |
141 | return; |
142 | |
143 | fail2: |
144 | cs_pcmcia_disable(sc); |
145 | fail: |
146 | pcmcia_function_unconfigure(pf); |
147 | } |
148 | |
149 | static int |
150 | cs_pcmcia_detach(device_t self, int flags) |
151 | { |
152 | struct cs_pcmcia_softc *psc = device_private(self); |
153 | struct cs_softc *sc = &psc->sc_cs; |
154 | int error; |
155 | |
156 | if (psc->sc_state != CS_PCMCIA_ATTACHED) |
157 | return (0); |
158 | |
159 | error = cs_detach(sc); |
160 | if (error) |
161 | return (error); |
162 | |
163 | pcmcia_function_unconfigure(psc->sc_pf); |
164 | |
165 | return (0); |
166 | } |
167 | |
168 | static int |
169 | cs_pcmcia_enable(struct cs_softc *sc) |
170 | { |
171 | struct cs_pcmcia_softc *psc = (void *)sc; |
172 | int error; |
173 | |
174 | sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, cs_intr, sc); |
175 | if (!sc->sc_ih) |
176 | return (EIO); |
177 | |
178 | error = pcmcia_function_enable(psc->sc_pf); |
179 | if (error) { |
180 | pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); |
181 | sc->sc_ih = 0; |
182 | } |
183 | |
184 | return (error); |
185 | } |
186 | |
187 | static void |
188 | cs_pcmcia_disable(struct cs_softc *sc) |
189 | { |
190 | struct cs_pcmcia_softc *psc = (void *)sc; |
191 | |
192 | pcmcia_function_disable(psc->sc_pf); |
193 | pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); |
194 | sc->sc_ih = 0; |
195 | } |
196 | |