Annotation of sys/dev/pcmcia/com_pcmcia.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: com_pcmcia.c,v 1.46 2006/05/28 16:49:46 fkr Exp $ */
2: /* $NetBSD: com_pcmcia.c,v 1.15 1998/08/22 17:47:58 msaitoh Exp $ */
3:
4: /*
5: * Copyright (c) 1997 - 1999, Jason Downs. 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. Neither the name(s) of the author(s) nor the name OpenBSD
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
20: * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
23: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
31: /*-
32: * Copyright (c) 1998 The NetBSD Foundation, Inc.
33: * All rights reserved.
34: *
35: * This code is derived from software contributed to The NetBSD Foundation
36: * by Charles M. Hannum.
37: *
38: * Redistribution and use in source and binary forms, with or without
39: * modification, are permitted provided that the following conditions
40: * are met:
41: * 1. Redistributions of source code must retain the above copyright
42: * notice, this list of conditions and the following disclaimer.
43: * 2. Redistributions in binary form must reproduce the above copyright
44: * notice, this list of conditions and the following disclaimer in the
45: * documentation and/or other materials provided with the distribution.
46: * 3. All advertising materials mentioning features or use of this software
47: * must display the following acknowledgement:
48: * This product includes software developed by the NetBSD
49: * Foundation, Inc. and its contributors.
50: * 4. Neither the name of The NetBSD Foundation nor the names of its
51: * contributors may be used to endorse or promote products derived
52: * from this software without specific prior written permission.
53: *
54: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
55: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
56: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
57: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
58: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
59: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
60: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
61: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
62: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
63: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
64: * POSSIBILITY OF SUCH DAMAGE.
65: */
66:
67: /*-
68: * Copyright (c) 1991 The Regents of the University of California.
69: * All rights reserved.
70: *
71: * Redistribution and use in source and binary forms, with or without
72: * modification, are permitted provided that the following conditions
73: * are met:
74: * 1. Redistributions of source code must retain the above copyright
75: * notice, this list of conditions and the following disclaimer.
76: * 2. Redistributions in binary form must reproduce the above copyright
77: * notice, this list of conditions and the following disclaimer in the
78: * documentation and/or other materials provided with the distribution.
79: * 3. Neither the name of the University nor the names of its contributors
80: * may be used to endorse or promote products derived from this software
81: * without specific prior written permission.
82: *
83: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
84: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
85: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
86: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
87: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
88: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
89: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
90: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
91: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
92: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
93: * SUCH DAMAGE.
94: *
95: * @(#)com.c 7.5 (Berkeley) 5/16/91
96: */
97:
98: #include <sys/param.h>
99: #include <sys/systm.h>
100: #include <sys/ioctl.h>
101: #include <sys/selinfo.h>
102: #include <sys/tty.h>
103: #include <sys/proc.h>
104: #include <sys/user.h>
105: #include <sys/conf.h>
106: #include <sys/file.h>
107: #include <sys/uio.h>
108: #include <sys/kernel.h>
109: #include <sys/syslog.h>
110: #include <sys/types.h>
111: #include <sys/device.h>
112:
113: #include <machine/intr.h>
114: #include <machine/bus.h>
115:
116: #include <dev/pcmcia/pcmciavar.h>
117: #include <dev/pcmcia/pcmciareg.h>
118: #include <dev/pcmcia/pcmciadevs.h>
119:
120: #include "com.h"
121: #ifdef i386
122: #include "pccom.h"
123: #endif
124:
125: #include <dev/ic/comreg.h>
126: #if NPCCOM > 0
127: #include <i386/isa/pccomvar.h>
128: #endif
129: #if NCOM > 0
130: #include <dev/ic/comvar.h>
131: #endif
132: #include <dev/ic/ns16550reg.h>
133:
134: #include <dev/isa/isareg.h>
135:
136: #define com_lcr com_cfcr
137:
138: /* Devices that we need to match by CIS strings */
139: struct com_pcmcia_product {
140: char *cis1_info[4];
141: } com_pcmcia_prod[] = {
142: { PCMCIA_CIS_MEGAHERTZ_XJ2288 },
143: { PCMCIA_CIS_NOVATEL_NRM6831 },
144: };
145:
146: int com_pcmcia_match(struct device *, void *, void *);
147: void com_pcmcia_attach(struct device *, struct device *, void *);
148: int com_pcmcia_detach(struct device *, int);
149: void com_pcmcia_cleanup(void *);
150: int com_pcmcia_activate(struct device *, enum devact);
151:
152: int com_pcmcia_enable(struct com_softc *);
153: void com_pcmcia_disable(struct com_softc *);
154: int com_pcmcia_enable1(struct com_softc *);
155: void com_pcmcia_disable1(struct com_softc *);
156:
157: struct com_pcmcia_softc {
158: struct com_softc sc_com; /* real "com" softc */
159:
160: /* PCMCIA-specific goo */
161: struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
162: int sc_io_window; /* our i/o window */
163: struct pcmcia_function *sc_pf; /* our PCMCIA function */
164: void *sc_ih; /* interrupt handler */
165: };
166:
167: #if NCOM
168: struct cfattach com_pcmcia_ca = {
169: sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach,
170: com_pcmcia_detach, com_pcmcia_activate
171: };
172: #elif NPCCOM
173: struct cfattach pccom_pcmcia_ca = {
174: sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach,
175: com_pcmcia_detach, com_pcmcia_activate
176: };
177: #endif
178:
179: int
180: com_pcmcia_match(parent, match, aux)
181: struct device *parent;
182: void *match, *aux;
183: {
184: struct pcmcia_attach_args *pa = aux;
185: struct pcmcia_config_entry *cfe;
186: int i, j, comportmask;
187:
188: /* 1. Does it claim to be a serial device? */
189: if (pa->pf->function == PCMCIA_FUNCTION_SERIAL)
190: return 1;
191:
192: /* 2. Does it have all four 'standard' port ranges? */
193: comportmask = 0;
194: SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) {
195: switch (cfe->iospace[0].start) {
196: case IO_COM1:
197: comportmask |= 1;
198: break;
199: case IO_COM2:
200: comportmask |= 2;
201: break;
202: case IO_COM3:
203: comportmask |= 4;
204: break;
205: case IO_COM4:
206: comportmask |= 8;
207: break;
208: }
209: }
210:
211: if (comportmask == 15)
212: return 1;
213:
214: /* 3. Is this a card we know about? */
215: for (i = 0; i < sizeof(com_pcmcia_prod)/sizeof(com_pcmcia_prod[0]);
216: i++) {
217: for (j = 0; j < 4; j++)
218: if (com_pcmcia_prod[i].cis1_info[j] &&
219: pa->card->cis1_info[j] &&
220: strcmp(pa->card->cis1_info[j],
221: com_pcmcia_prod[i].cis1_info[j]))
222: break;
223: if (j == 4)
224: return 1;
225: }
226:
227: return 0;
228: }
229:
230: int
231: com_pcmcia_activate(dev, act)
232: struct device *dev;
233: enum devact act;
234: {
235: struct com_pcmcia_softc *sc = (void *) dev;
236: int s;
237:
238: s = spltty();
239: switch (act) {
240: case DVACT_ACTIVATE:
241: pcmcia_function_enable(sc->sc_pf);
242: sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_TTY,
243: comintr, sc, sc->sc_com.sc_dev.dv_xname);
244: break;
245:
246: case DVACT_DEACTIVATE:
247: pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
248: pcmcia_function_disable(sc->sc_pf);
249: break;
250: }
251: splx(s);
252: return (0);
253: }
254:
255: void
256: com_pcmcia_attach(parent, self, aux)
257: struct device *parent, *self;
258: void *aux;
259: {
260: struct com_pcmcia_softc *psc = (void *) self;
261: struct com_softc *sc = &psc->sc_com;
262: struct pcmcia_attach_args *pa = aux;
263: struct pcmcia_config_entry *cfe;
264: const char *intrstr;
265: int autoalloc = 0;
266:
267: psc->sc_pf = pa->pf;
268:
269: retry:
270: /* find a cfe we can use */
271:
272: for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe;
273: cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
274: #if 0
275: /*
276: * Some modem cards (e.g. Xircom CM33) also have
277: * mem space. Don't bother with this check.
278: */
279: if (cfe->num_memspace != 0)
280: continue;
281: #endif
282:
283: if (cfe->num_iospace != 1)
284: continue;
285:
286: if (!pcmcia_io_alloc(pa->pf,
287: autoalloc ? 0 : cfe->iospace[0].start,
288: cfe->iospace[0].length, COM_NPORTS, &psc->sc_pcioh)) {
289: goto found;
290: }
291: }
292: if (autoalloc == 0) {
293: autoalloc = 1;
294: goto retry;
295: } else if (!cfe) {
296: printf(": can't allocate i/o space\n");
297: return;
298: }
299:
300: found:
301: sc->sc_iot = psc->sc_pcioh.iot;
302: sc->sc_ioh = psc->sc_pcioh.ioh;
303:
304: /* Enable the card. */
305: pcmcia_function_init(pa->pf, cfe);
306: if (com_pcmcia_enable1(sc))
307: printf(": function enable failed\n");
308:
309: sc->enabled = 1;
310:
311: /* map in the io space */
312:
313: if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
314: PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size,
315: &psc->sc_pcioh, &psc->sc_io_window)) {
316: printf(": can't map i/o space\n");
317: return;
318: }
319:
320: printf(" port 0x%lx/%lu", psc->sc_pcioh.addr,
321: (u_long)psc->sc_pcioh.size);
322:
323: sc->sc_iobase = -1;
324: sc->enable = com_pcmcia_enable;
325: sc->disable = com_pcmcia_disable;
326: sc->sc_frequency = COM_FREQ;
327:
328: sc->sc_hwflags = 0;
329: sc->sc_swflags = 0;
330:
331: if (psc->sc_pf->sc->card.manufacturer == PCMCIA_VENDOR_AUDIOVOX &&
332: psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_AUDIOVOX_RTM8000)
333: sc->sc_fifolen = 16;
334:
335: com_attach_subr(sc);
336:
337: /* establish the interrupt. */
338: psc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_TTY, comintr, sc,
339: sc->sc_dev.dv_xname);
340: intrstr = pcmcia_intr_string(psc->sc_pf, psc->sc_ih);
341: if (*intrstr)
342: printf(", %s", intrstr);
343:
344: #ifdef notyet
345: sc->enabled = 0;
346:
347: com_pcmcia_disable1(sc);
348: #endif
349: }
350:
351: int
352: com_pcmcia_detach(dev, flags)
353: struct device *dev;
354: int flags;
355: {
356: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *)dev;
357: int error;
358:
359: /* Release all resources. */
360: error = com_detach(dev, flags);
361: if (error)
362: return (error);
363:
364: pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
365: pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
366:
367: return (0);
368: }
369:
370: int
371: com_pcmcia_enable(sc)
372: struct com_softc *sc;
373: {
374: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
375: struct pcmcia_function *pf = psc->sc_pf;
376:
377: /* establish the interrupt. */
378: psc->sc_ih = pcmcia_intr_establish(pf, IPL_TTY, comintr, sc,
379: sc->sc_dev.dv_xname);
380: if (psc->sc_ih == NULL) {
381: printf("%s: couldn't establish interrupt\n",
382: sc->sc_dev.dv_xname);
383: return (1);
384: }
385: return com_pcmcia_enable1(sc);
386: }
387:
388: int
389: com_pcmcia_enable1(sc)
390: struct com_softc *sc;
391: {
392: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
393: struct pcmcia_function *pf = psc->sc_pf;
394: int ret;
395:
396: if ((ret = pcmcia_function_enable(pf)))
397: return(ret);
398:
399: if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) ||
400: (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) ||
401: (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556B)) {
402: int reg;
403:
404: /* turn off the ethernet-disable bit */
405:
406: reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
407: if (reg & 0x08) {
408: reg &= ~0x08;
409: pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
410: }
411: }
412:
413: return(ret);
414: }
415:
416: void
417: com_pcmcia_disable(sc)
418: struct com_softc *sc;
419: {
420: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
421:
422: pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
423: com_pcmcia_disable1(sc);
424: }
425:
426: void
427: com_pcmcia_disable1(sc)
428: struct com_softc *sc;
429: {
430: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
431:
432: pcmcia_function_disable(psc->sc_pf);
433: }
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