Annotation of sys/dev/pcmcia/wdc_pcmcia.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: wdc_pcmcia.c,v 1.17 2006/04/20 20:31:13 miod Exp $ */
2: /* $NetBSD: wdc_pcmcia.c,v 1.19 1999/02/19 21:49:43 abs Exp $ */
3:
4: /*-
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: #include <sys/param.h>
41: #include <sys/systm.h>
42: #include <sys/kernel.h>
43: #include <sys/conf.h>
44: #include <sys/file.h>
45: #include <sys/stat.h>
46: #include <sys/ioctl.h>
47: #include <sys/buf.h>
48: #include <sys/uio.h>
49: #include <sys/malloc.h>
50: #include <sys/device.h>
51: #include <sys/disklabel.h>
52: #include <sys/disk.h>
53: #include <sys/syslog.h>
54: #include <sys/proc.h>
55:
56: #include <uvm/uvm_extern.h>
57:
58: #include <machine/cpu.h>
59: #include <machine/intr.h>
60: #include <machine/bus.h>
61:
62: #include <dev/pcmcia/pcmciareg.h>
63: #include <dev/pcmcia/pcmciavar.h>
64: #include <dev/pcmcia/pcmciadevs.h>
65:
66: #include <dev/ata/atavar.h>
67: #include <dev/ic/wdcvar.h>
68:
69: #define WDC_PCMCIA_REG_NPORTS 8
70: #define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
71: #define WDC_PCMCIA_AUXREG_NPORTS 2
72:
73: struct wdc_pcmcia_softc {
74: struct wdc_softc sc_wdcdev;
75: struct channel_softc *wdc_chanptr;
76: struct channel_softc wdc_channel;
77: struct pcmcia_io_handle sc_pioh;
78: struct pcmcia_io_handle sc_auxpioh;
79: int sc_iowindow;
80: int sc_auxiowindow;
81: void *sc_ih;
82: struct pcmcia_function *sc_pf;
83: int sc_flags;
84: #define WDC_PCMCIA_ATTACH 0x0001
85: };
86:
87: static int wdc_pcmcia_match(struct device *, void *, void *);
88: static void wdc_pcmcia_attach(struct device *, struct device *, void *);
89: int wdc_pcmcia_detach(struct device *, int);
90: int wdc_pcmcia_activate(struct device *, enum devact);
91:
92: struct cfattach wdc_pcmcia_ca = {
93: sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach,
94: wdc_pcmcia_detach, wdc_pcmcia_activate
95: };
96:
97: struct wdc_pcmcia_product {
98: u_int16_t wpp_vendor; /* vendor ID */
99: u_int16_t wpp_product; /* product ID */
100: int wpp_quirk_flag; /* Quirk flags */
101: #define WDC_PCMCIA_FORCE_16BIT_IO 0x01 /* Don't use PCMCIA_WIDTH_AUTO */
102: #define WDC_PCMCIA_NO_EXTRA_RESETS 0x02 /* Only reset ctrl once */
103: const char *wpp_cis_info[4]; /* XXX necessary? */
104: } wdc_pcmcia_pr[] = {
105:
106: { /* PCMCIA_VENDOR_DIGITAL XXX */ 0x0100,
107: PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
108: 0, { NULL, "Digital Mobile Media CD-ROM", NULL, NULL }, },
109:
110: { PCMCIA_VENDOR_IBM, PCMCIA_PRODUCT_IBM_PORTABLE_CDROM,
111: 0, { NULL, "Portable CD-ROM Drive", NULL, NULL }, },
112:
113: { PCMCIA_VENDOR_HAGIWARASYSCOM, PCMCIA_PRODUCT_INVALID, /* XXX */
114: WDC_PCMCIA_FORCE_16BIT_IO, { NULL, NULL, NULL, NULL }, },
115:
116: /* The TEAC IDE/Card II is used on the Sony Vaio */
117: { PCMCIA_VENDOR_TEAC, PCMCIA_PRODUCT_TEAC_IDECARDII,
118: WDC_PCMCIA_NO_EXTRA_RESETS, PCMCIA_CIS_TEAC_IDECARDII },
119:
120: /*
121: * EXP IDE/ATAPI DVD Card use with some DVD players.
122: * Does not have a vendor ID or product ID.
123: */
124: { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
125: 0, PCMCIA_CIS_EXP_EXPMULTIMEDIA },
126:
127: /* Mobile Dock 2, which doesn't have vendor ID nor product ID */
128: { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
129: 0, PCMCIA_CIS_SHUTTLE_IDE_ATAPI },
130:
131: /* Archos MiniCD */
132: { PCMCIA_VENDOR_ARCHOS, PCMCIA_PRODUCT_ARCHOS_ARC_ATAPI,
133: 0, PCMCIA_CIS_ARCHOS_ARC_ATAPI },
134: };
135:
136: struct wdc_pcmcia_disk_device_interface_args {
137: int ddi_type; /* interface type */
138: int ddi_reqfn; /* function we are requesting iftype */
139: int ddi_curfn; /* function we are currently parsing in CIS */
140: };
141:
142: int wdc_pcmcia_disk_device_interface_callback(struct pcmcia_tuple *,
143: void *);
144: int wdc_pcmcia_disk_device_interface(struct pcmcia_function *);
145: struct wdc_pcmcia_product *
146: wdc_pcmcia_lookup(struct pcmcia_attach_args *);
147:
148: int wdc_pcmcia_enable(void *, int);
149:
150: int
151: wdc_pcmcia_disk_device_interface_callback(tuple, arg)
152: struct pcmcia_tuple *tuple;
153: void *arg;
154: {
155: struct wdc_pcmcia_disk_device_interface_args *ddi = arg;
156:
157: switch (tuple->code) {
158: case PCMCIA_CISTPL_FUNCID:
159: ddi->ddi_curfn++;
160: break;
161:
162: case PCMCIA_CISTPL_FUNCE:
163: if (ddi->ddi_reqfn != ddi->ddi_curfn)
164: break;
165:
166: /* subcode (disk device interface), data (interface type) */
167: if (tuple->length < 2)
168: break;
169:
170: /* check type */
171: if (pcmcia_tuple_read_1(tuple, 0) !=
172: PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE)
173: break;
174:
175: ddi->ddi_type = pcmcia_tuple_read_1(tuple, 1);
176: return (1);
177: }
178: return (0);
179: }
180:
181: int
182: wdc_pcmcia_disk_device_interface(pf)
183: struct pcmcia_function *pf;
184: {
185: struct wdc_pcmcia_disk_device_interface_args ddi;
186:
187: ddi.ddi_reqfn = pf->number;
188: ddi.ddi_curfn = -1;
189: if (pcmcia_scan_cis((struct device *)pf->sc,
190: wdc_pcmcia_disk_device_interface_callback, &ddi) > 0)
191: return (ddi.ddi_type);
192: else
193: return (-1);
194: }
195:
196: struct wdc_pcmcia_product *
197: wdc_pcmcia_lookup(pa)
198: struct pcmcia_attach_args *pa;
199: {
200: struct wdc_pcmcia_product *wpp;
201: int i, cis_match;
202:
203: for (wpp = wdc_pcmcia_pr;
204: wpp < &wdc_pcmcia_pr[sizeof(wdc_pcmcia_pr)/sizeof(wdc_pcmcia_pr[0])];
205: wpp++)
206: if ((wpp->wpp_vendor == PCMCIA_VENDOR_INVALID ||
207: pa->manufacturer == wpp->wpp_vendor) &&
208: (wpp->wpp_product == PCMCIA_PRODUCT_INVALID ||
209: pa->product == wpp->wpp_product)) {
210: cis_match = 1;
211: for (i = 0; i < 4; i++) {
212: if (!(wpp->wpp_cis_info[i] == NULL ||
213: (pa->card->cis1_info[i] != NULL &&
214: strcmp(pa->card->cis1_info[i],
215: wpp->wpp_cis_info[i]) == 0)))
216: cis_match = 0;
217: }
218: if (cis_match)
219: return (wpp);
220: }
221:
222: return (NULL);
223: }
224:
225: static int
226: wdc_pcmcia_match(parent, match, aux)
227: struct device *parent;
228: void *match, *aux;
229: {
230: struct pcmcia_attach_args *pa = aux;
231: struct pcmcia_softc *sc;
232: int iftype;
233:
234: if (wdc_pcmcia_lookup(pa) != NULL)
235: return (1);
236:
237: if (pa->pf->function == PCMCIA_FUNCTION_DISK) {
238: sc = pa->pf->sc;
239:
240: pcmcia_chip_socket_enable(sc->pct, sc->pch);
241: iftype = wdc_pcmcia_disk_device_interface(pa->pf);
242: pcmcia_chip_socket_disable(sc->pct, sc->pch);
243:
244: if (iftype == PCMCIA_TPLFE_DDI_PCCARD_ATA)
245: return (1);
246: }
247:
248: return (0);
249: }
250:
251: static void
252: wdc_pcmcia_attach(parent, self, aux)
253: struct device *parent;
254: struct device *self;
255: void *aux;
256: {
257: struct wdc_pcmcia_softc *sc = (void *)self;
258: struct pcmcia_attach_args *pa = aux;
259: struct pcmcia_config_entry *cfe;
260: struct wdc_pcmcia_product *wpp;
261: const char *intrstr;
262: int quirks;
263:
264: sc->sc_pf = pa->pf;
265:
266: for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
267: cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
268: if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
269: continue;
270:
271: if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
272: cfe->iospace[0].length,
273: cfe->iospace[0].start == 0 ? cfe->iospace[0].length : 0,
274: &sc->sc_pioh))
275: continue;
276:
277: if (cfe->num_iospace == 2) {
278: if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
279: cfe->iospace[1].length, 0, &sc->sc_auxpioh))
280: break;
281: } else /* num_iospace == 1 */ {
282: sc->sc_auxpioh.iot = sc->sc_pioh.iot;
283: if (!bus_space_subregion(sc->sc_pioh.iot,
284: sc->sc_pioh.ioh, WDC_PCMCIA_AUXREG_OFFSET,
285: WDC_PCMCIA_AUXREG_NPORTS, &sc->sc_auxpioh.ioh))
286: break;
287: }
288: pcmcia_io_free(pa->pf, &sc->sc_pioh);
289: }
290:
291: if (cfe == NULL) {
292: printf(": can't handle card info\n");
293: goto no_config_entry;
294: }
295:
296: /* Enable the card. */
297: pcmcia_function_init(pa->pf, cfe);
298: if (pcmcia_function_enable(pa->pf)) {
299: printf(": function enable failed\n");
300: goto enable_failed;
301: }
302:
303: /*
304: * XXX DEC Mobile Media CDROM is not yet tested whether it works
305: * XXX with PCMCIA_WIDTH_IO16. HAGIWARA SYS-COM HPC-CF32 doesn't
306: * XXX work with PCMCIA_WIDTH_AUTO.
307: * XXX CANON FC-8M (SANDISK SDCFB 8M) works for both _AUTO and IO16.
308: * XXX So, here is temporary work around.
309: */
310: wpp = wdc_pcmcia_lookup(pa);
311: if (wpp != NULL)
312: quirks = wpp->wpp_quirk_flag;
313: else
314: quirks = 0;
315:
316: if (pcmcia_io_map(pa->pf, quirks & WDC_PCMCIA_FORCE_16BIT_IO ?
317: PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_AUTO, 0,
318: sc->sc_pioh.size, &sc->sc_pioh, &sc->sc_iowindow)) {
319: printf(": can't map first I/O space\n");
320: goto iomap_failed;
321: }
322:
323: /*
324: * Currently, # of iospace is 1 except DIGITAL Mobile Media CD-ROM.
325: * So whether the work around like above is necessary or not
326: * is unknown. XXX.
327: */
328: if (cfe->num_iospace <= 1)
329: sc->sc_auxiowindow = -1;
330: else if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
331: sc->sc_auxpioh.size, &sc->sc_auxpioh, &sc->sc_auxiowindow)) {
332: printf(": can't map second I/O space\n");
333: goto iomapaux_failed;
334: }
335:
336: printf(" port 0x%lx/%lu",
337: sc->sc_pioh.addr, (u_long)sc->sc_pioh.size);
338: if (cfe->num_iospace > 1 && sc->sc_auxpioh.size > 0)
339: printf(",0x%lx/%lu",
340: sc->sc_auxpioh.addr, (u_long)sc->sc_auxpioh.size);
341:
342: sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
343: sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
344: sc->wdc_channel.ctl_iot = sc->sc_auxpioh.iot;
345: sc->wdc_channel.ctl_ioh = sc->sc_auxpioh.ioh;
346: sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
347: sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh;
348: sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
349: sc->sc_wdcdev.PIO_cap = 0;
350: sc->wdc_chanptr = &sc->wdc_channel;
351: sc->sc_wdcdev.channels = &sc->wdc_chanptr;
352: sc->sc_wdcdev.nchannels = 1;
353: sc->wdc_channel.channel = 0;
354: sc->wdc_channel.wdc = &sc->sc_wdcdev;
355: sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue),
356: M_DEVBUF, M_NOWAIT);
357: if (sc->wdc_channel.ch_queue == NULL) {
358: printf("can't allocate memory for command queue\n");
359: goto ch_queue_alloc_failed;
360: }
361: if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
362: sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
363:
364: #ifdef notyet
365: /* We can enable and disable the controller. */
366: sc->sc_wdcdev.sc_atapi_adapter.scsipi_enable = wdc_pcmcia_enable;
367:
368: /*
369: * Disable the pcmcia function now; wdcattach() will enable
370: * us again as it adds references to probe for children.
371: */
372: pcmcia_function_disable(pa->pf);
373: #else
374: /* Establish the interrupt handler. */
375: sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, wdcintr,
376: &sc->wdc_channel, sc->sc_wdcdev.sc_dev.dv_xname);
377: intrstr = pcmcia_intr_string(sc->sc_pf, sc->sc_ih);
378: if (*intrstr)
379: printf(": %s", intrstr);
380: #endif
381:
382: printf("\n");
383:
384: sc->sc_flags |= WDC_PCMCIA_ATTACH;
385: wdcattach(&sc->wdc_channel);
386: wdc_print_current_modes(&sc->wdc_channel);
387: sc->sc_flags &= ~WDC_PCMCIA_ATTACH;
388: return;
389:
390: ch_queue_alloc_failed:
391: /* Unmap our aux i/o window. */
392: if (sc->sc_auxiowindow != -1)
393: pcmcia_io_unmap(sc->sc_pf, sc->sc_auxiowindow);
394:
395: iomapaux_failed:
396: /* Unmap our i/o window. */
397: pcmcia_io_unmap(sc->sc_pf, sc->sc_iowindow);
398:
399: iomap_failed:
400: /* Disable the function */
401: pcmcia_function_disable(sc->sc_pf);
402:
403: enable_failed:
404: /* Unmap our i/o space. */
405: pcmcia_io_free(sc->sc_pf, &sc->sc_pioh);
406: if (cfe->num_iospace == 2)
407: pcmcia_io_free(sc->sc_pf, &sc->sc_auxpioh);
408:
409: no_config_entry:
410: sc->sc_iowindow = -1;
411: }
412:
413: int
414: wdc_pcmcia_detach(self, flags)
415: struct device *self;
416: int flags;
417: {
418: struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
419: int error;
420:
421: if (sc->sc_iowindow == -1)
422: /* Nothing to detach */
423: return (0);
424:
425: if ((error = wdcdetach(&sc->wdc_channel, flags)) != 0)
426: return (error);
427:
428: if (sc->wdc_channel.ch_queue != NULL)
429: free(sc->wdc_channel.ch_queue, M_DEVBUF);
430:
431: /* Unmap our i/o window and i/o space. */
432: pcmcia_io_unmap(sc->sc_pf, sc->sc_iowindow);
433: pcmcia_io_free(sc->sc_pf, &sc->sc_pioh);
434: if (sc->sc_auxiowindow != -1) {
435: pcmcia_io_unmap(sc->sc_pf, sc->sc_auxiowindow);
436: pcmcia_io_free(sc->sc_pf, &sc->sc_auxpioh);
437: }
438:
439: return (0);
440: }
441:
442: int
443: wdc_pcmcia_activate(self, act)
444: struct device *self;
445: enum devact act;
446: {
447: struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
448: int rv = 0, s;
449:
450: s = splbio();
451: switch (act) {
452: case DVACT_ACTIVATE:
453: if (pcmcia_function_enable(sc->sc_pf)) {
454: printf("%s: couldn't enable PCMCIA function\n",
455: sc->sc_wdcdev.sc_dev.dv_xname);
456: rv = EIO;
457: break;
458: }
459:
460: sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
461: wdcintr, &sc->wdc_channel, sc->sc_wdcdev.sc_dev.dv_xname);
462: if (sc->sc_ih == NULL) {
463: printf("%s: "
464: "couldn't establish interrupt handler\n",
465: sc->sc_wdcdev.sc_dev.dv_xname);
466: pcmcia_function_disable(sc->sc_pf);
467: rv = EIO;
468: break;
469: }
470:
471: wdcreset(&sc->wdc_channel, VERBOSE);
472: rv = wdcactivate(self, act);
473: break;
474:
475: case DVACT_DEACTIVATE:
476: pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
477: pcmcia_function_disable(sc->sc_pf);
478: rv = wdcactivate(self, act);
479: break;
480: }
481: splx(s);
482: return (rv);
483: }
484:
485: #if 0
486: int
487: wdc_pcmcia_enable(arg, onoff)
488: void *arg;
489: int onoff;
490: {
491: struct wdc_pcmcia_softc *sc = arg;
492:
493: if (onoff) {
494: if ((sc->sc_flags & WDC_PCMCIA_ATTACH) == 0) {
495: if (pcmcia_function_enable(sc->sc_pf)) {
496: printf("%s: couldn't enable PCMCIA function\n",
497: sc->sc_wdcdev.sc_dev.dv_xname);
498: return (EIO);
499: }
500:
501: sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
502: wdcintr, &sc->wdc_channel, sc->sc_dev.dv_xname);
503: if (sc->sc_ih == NULL) {
504: printf("%s: "
505: "couldn't establish interrupt handler\n",
506: sc->sc_wdcdev.sc_dev.dv_xname);
507: pcmcia_function_disable(sc->sc_pf);
508: return (EIO);
509: }
510:
511: wdcreset(&sc->wdc_channel, VERBOSE);
512: }
513: } else {
514: if ((sc->sc_flags & WDC_PCMCIA_ATTACH) == 0)
515: pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
516: pcmcia_function_disable(sc->sc_pf);
517: }
518:
519: return (0);
520: }
521: #endif
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