1 /* $NetBSD: com_pcmcia.c,v 1.62 2018/12/08 17:46:14 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*-
33 * Copyright (c) 1991 The Regents of the University of California.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 * @(#)com.c 7.5 (Berkeley) 5/16/91
61 */
62
63 #include <sys/cdefs.h>
64 __KERNEL_RCSID(0, "$NetBSD: com_pcmcia.c,v 1.62 2018/12/08 17:46:14 thorpej Exp $");
65
66 #include <sys/param.h>
67 #include <sys/systm.h>
68 #include <sys/ioctl.h>
69 #include <sys/select.h>
70 #include <sys/tty.h>
71 #include <sys/proc.h>
72 #include <sys/conf.h>
73 #include <sys/file.h>
74 #include <sys/uio.h>
75 #include <sys/kernel.h>
76 #include <sys/syslog.h>
77 #include <sys/device.h>
78
79 #include <sys/intr.h>
80 #include <sys/bus.h>
81
82 #include <dev/pcmcia/pcmciavar.h>
83 #include <dev/pcmcia/pcmciareg.h>
84 #include <dev/pcmcia/pcmciadevs.h>
85
86 #include <dev/ic/comreg.h>
87 #include <dev/ic/comvar.h>
88
89 #include <dev/isa/isareg.h>
90
91 int com_pcmcia_match(device_t, cfdata_t , void *);
92 int com_pcmcia_validate_config(struct pcmcia_config_entry *);
93 void com_pcmcia_attach(device_t, device_t, void *);
94 int com_pcmcia_detach(device_t, int);
95
96 int com_pcmcia_enable(struct com_softc *);
97 void com_pcmcia_disable(struct com_softc *);
98
99 struct com_pcmcia_softc {
100 struct com_softc sc_com; /* real "com" softc */
101
102 /* PCMCIA-specific goo */
103 struct pcmcia_function *sc_pf; /* our PCMCIA function */
104 void *sc_ih; /* interrupt handler */
105 int sc_attached;
106 };
107
108 CFATTACH_DECL_NEW(com_pcmcia, sizeof(struct com_pcmcia_softc),
109 com_pcmcia_match, com_pcmcia_attach, com_pcmcia_detach, NULL);
110
111 static const struct pcmcia_product com_pcmcia_products[] = {
112 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
113 PCMCIA_CIS_MEGAHERTZ_XJ2288 },
114 { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_BLUETOOTH_PCCARD,
115 PCMCIA_CIS_INVALID },
116 };
117 static const size_t com_pcmcia_nproducts =
118 sizeof(com_pcmcia_products) / sizeof(com_pcmcia_products[0]);
119
120 int
com_pcmcia_match(device_t parent,cfdata_t match,void * aux)121 com_pcmcia_match(device_t parent, cfdata_t match, void *aux)
122 {
123 int comportmask;
124 struct pcmcia_attach_args *pa = aux;
125 struct pcmcia_config_entry *cfe;
126
127 /* 1. Does it claim to be a serial device? */
128 if (pa->pf->function == PCMCIA_FUNCTION_SERIAL)
129 return 1;
130
131 /* 2. Does it have all four 'standard' port ranges? */
132 comportmask = 0;
133 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) {
134 switch (cfe->iospace[0].start) {
135 case IO_COM1:
136 comportmask |= 1;
137 break;
138 case IO_COM2:
139 comportmask |= 2;
140 break;
141 case IO_COM3:
142 comportmask |= 4;
143 break;
144 case IO_COM4:
145 comportmask |= 8;
146 break;
147 }
148 }
149
150 if (comportmask == 15)
151 return 1;
152
153 /* 3. Is this a card we know about? */
154 if (pcmcia_product_lookup(pa, com_pcmcia_products, com_pcmcia_nproducts,
155 sizeof(com_pcmcia_products[0]), NULL))
156 return 1;
157
158 return 0;
159 }
160
161 int
com_pcmcia_validate_config(struct pcmcia_config_entry * cfe)162 com_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
163 {
164 if (cfe->iftype != PCMCIA_IFTYPE_IO ||
165 cfe->num_iospace != 1)
166 return (EINVAL);
167 /* Some cards have a memory space, but we don't use it. */
168 cfe->num_memspace = 0;
169 return (0);
170 }
171
172 void
com_pcmcia_attach(device_t parent,device_t self,void * aux)173 com_pcmcia_attach(device_t parent, device_t self, void *aux)
174 {
175 struct com_pcmcia_softc *psc = device_private(self);
176 struct com_softc *sc = &psc->sc_com;
177 struct pcmcia_attach_args *pa = aux;
178 struct pcmcia_config_entry *cfe;
179 int error;
180
181 sc->sc_dev = self;
182 psc->sc_pf = pa->pf;
183
184 error = pcmcia_function_configure(pa->pf, com_pcmcia_validate_config);
185 if (error) {
186 aprint_error_dev(self, "configure failed, error=%d\n", error);
187 return;
188 }
189
190 cfe = pa->pf->cfe;
191 com_init_regs(&sc->sc_regs, cfe->iospace[0].handle.iot,
192 cfe->iospace[0].handle.ioh, -1);
193
194 error = com_pcmcia_enable(sc);
195 if (error)
196 goto fail;
197
198 sc->enabled = 1;
199
200 sc->sc_frequency = COM_FREQ;
201
202 sc->enable = com_pcmcia_enable;
203 sc->disable = com_pcmcia_disable;
204
205 aprint_normal("%s", device_xname(self));
206
207 com_attach_subr(sc);
208
209 if (!pmf_device_register1(self, com_suspend, com_resume,
210 com_cleanup))
211 aprint_error_dev(self, "couldn't establish power handler\n");
212
213 sc->enabled = 0;
214
215 psc->sc_attached = 1;
216 com_pcmcia_disable(sc);
217 return;
218
219 fail:
220 pcmcia_function_unconfigure(pa->pf);
221 }
222
223 int
com_pcmcia_detach(device_t self,int flags)224 com_pcmcia_detach(device_t self, int flags)
225 {
226 struct com_pcmcia_softc *psc = device_private(self);
227 int error;
228
229 if (!psc->sc_attached)
230 return (0);
231
232 if ((error = com_detach(self, flags)) != 0)
233 return error;
234
235 pmf_device_deregister(self);
236
237 pcmcia_function_unconfigure(psc->sc_pf);
238 return (0);
239 }
240
241 int
com_pcmcia_enable(struct com_softc * sc)242 com_pcmcia_enable(struct com_softc *sc)
243 {
244 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
245 struct pcmcia_function *pf = psc->sc_pf;
246 int error;
247
248 /* establish the interrupt. */
249 psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc);
250 if (psc->sc_ih == NULL) {
251 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n");
252 return (1);
253 }
254
255 if ((error = pcmcia_function_enable(pf)) != 0) {
256 pcmcia_intr_disestablish(pf, psc->sc_ih);
257 psc->sc_ih = 0;
258 return (error);
259 }
260
261 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) ||
262 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) ||
263 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) {
264 int reg;
265
266 /* turn off the ethernet-disable bit */
267 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
268 if (reg & 0x08) {
269 reg &= ~0x08;
270 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
271 }
272 }
273
274 return (0);
275 }
276
277 void
com_pcmcia_disable(struct com_softc * sc)278 com_pcmcia_disable(struct com_softc *sc)
279 {
280 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
281
282 pcmcia_function_disable(psc->sc_pf);
283 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
284 psc->sc_ih = 0;
285 }
286