1 /* $NetBSD: pdc.c,v 1.4 2019/04/15 20:40:37 skrll Exp $ */
2
3 /* $OpenBSD: pdc.c,v 1.14 2001/04/29 21:05:43 mickey Exp $ */
4
5 /*
6 * Copyright (c) 1998-2003 Michael Shalayeff
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: pdc.c,v 1.4 2019/04/15 20:40:37 skrll Exp $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/device.h>
37 #include <sys/proc.h>
38 #include <sys/tty.h>
39 #include <sys/callout.h>
40 #include <sys/conf.h>
41 #include <sys/kauth.h>
42
43 #include <dev/cons.h>
44 #include <dev/clock_subr.h>
45
46 #include <machine/pdc.h>
47 #include <machine/iomod.h>
48 #include <machine/autoconf.h>
49
50 #include <hppa/hppa/machdep.h>
51 #include <hppa/dev/cpudevs.h>
52
53 typedef
54 struct pdc_softc {
55 device_t sc_dv;
56 struct tty *sc_tty;
57 struct callout sc_to;
58 } pdcsoftc_t;
59
60 pdcio_t pdc;
61
62 enum pdc_type pdc_type;
63
64 static struct pdc_result pdcret1 PDC_ALIGNMENT;
65 static struct pdc_result pdcret2 PDC_ALIGNMENT;
66 static char pdc_consbuf[IODC_MINIOSIZ] PDC_ALIGNMENT;
67
68 iodcio_t pdc_cniodc, pdc_kbdiodc;
69 pz_device_t *pz_kbd, *pz_cons;
70
71 int pdcmatch(device_t, cfdata_t, void *);
72 void pdcattach(device_t, device_t, void *);
73
74 CFATTACH_DECL_NEW(pdc, sizeof(pdcsoftc_t),
75 pdcmatch, pdcattach, NULL, NULL);
76
77 extern struct cfdriver pdc_cd;
78
79 static int pdc_attached;
80
81 dev_type_open(pdcopen);
82 dev_type_close(pdcclose);
83 dev_type_read(pdcread);
84 dev_type_write(pdcwrite);
85 dev_type_ioctl(pdcioctl);
86 dev_type_stop(pdcstop);
87 dev_type_tty(pdctty);
88 dev_type_poll(pdcpoll);
89
90 const struct cdevsw pdc_cdevsw = {
91 .d_open = pdcopen,
92 .d_close = pdcclose,
93 .d_read = pdcread,
94 .d_write = pdcwrite,
95 .d_ioctl = pdcioctl,
96 .d_stop = pdcstop,
97 .d_tty = pdctty,
98 .d_poll = pdcpoll,
99 .d_mmap = nommap,
100 .d_kqfilter = ttykqfilter,
101 .d_discard = nodiscard,
102 .d_flag = D_TTY
103 };
104
105 void pdcstart(struct tty *);
106 void pdctimeout(void *);
107 int pdcparam(struct tty *, struct termios *);
108 int pdccnlookc(dev_t, int *);
109
110 static struct cnm_state pdc_cnm_state;
111
112 static int pdcgettod(todr_chip_handle_t, struct timeval *);
113 static int pdcsettod(todr_chip_handle_t, struct timeval *);
114
115 void
pdc_init(void)116 pdc_init(void)
117 {
118 static int kbd_iodc[IODC_MAXSIZE/sizeof(int)];
119 static int cn_iodc[IODC_MAXSIZE/sizeof(int)];
120 int err;
121 int pagezero_cookie;
122
123 pagezero_cookie = hppa_pagezero_map();
124
125 pz_kbd = &PAGE0->mem_kbd;
126 pz_cons = &PAGE0->mem_cons;
127
128 pdc = (pdcio_t)PAGE0->mem_pdc;
129
130 /* XXX should we reset the console/kbd here?
131 well, /boot did that for us anyway */
132 if ((err = pdc_call((iodcio_t)pdc, 0, PDC_IODC, PDC_IODC_READ,
133 &pdcret1, pz_cons->pz_hpa, IODC_IO, cn_iodc, IODC_MAXSIZE)) < 0 ||
134 (err = pdc_call((iodcio_t)pdc, 0, PDC_IODC, PDC_IODC_READ,
135 &pdcret1, pz_kbd->pz_hpa, IODC_IO, kbd_iodc, IODC_MAXSIZE)) < 0) {
136 #ifdef DEBUG
137 printf("pdc_init: failed reading IODC (%d)\n", err);
138 #endif
139 }
140
141 hppa_pagezero_unmap(pagezero_cookie);
142
143 pdc_cniodc = (iodcio_t)cn_iodc;
144 pdc_kbdiodc = (iodcio_t)kbd_iodc;
145
146 /* XXX make pdc current console */
147 cn_tab = &constab[0];
148 }
149
150 void
pdc_settype(int modelno)151 pdc_settype(int modelno)
152 {
153 switch (modelno) {
154 /* 720, 750, 730, 735, 755 */
155 case HPPA_BOARD_HP720:
156 case HPPA_BOARD_HP750_66:
157 case HPPA_BOARD_HP730_66:
158 case HPPA_BOARD_HP735_99:
159 case HPPA_BOARD_HP755_99:
160 case HPPA_BOARD_HP755_125:
161 case HPPA_BOARD_HP735_130:
162
163 /* 710, 705, 7[12]5 */
164 case HPPA_BOARD_HP710:
165 case HPPA_BOARD_HP705:
166 case HPPA_BOARD_HP715_50:
167 case HPPA_BOARD_HP715_33:
168 case HPPA_BOARD_HP715S_50:
169 case HPPA_BOARD_HP715S_33:
170 case HPPA_BOARD_HP715T_50:
171 case HPPA_BOARD_HP715T_33:
172 case HPPA_BOARD_HP715_75:
173 case HPPA_BOARD_HP715_99:
174 case HPPA_BOARD_HP725_50:
175 case HPPA_BOARD_HP725_75:
176 case HPPA_BOARD_HP725_99:
177
178 /* 745, 742, 747 */
179 case HPPA_BOARD_HP745I_50:
180 case HPPA_BOARD_HP742I_50:
181 case HPPA_BOARD_HP747I_100:
182
183 /* 712/{60,80,100,120}, 715/{64,80,100,...}, etc */
184 case HPPA_BOARD_HP712_60:
185 case HPPA_BOARD_HP712_80:
186 case HPPA_BOARD_HP712_100:
187 case HPPA_BOARD_HP743I_64:
188 case HPPA_BOARD_HP743I_100:
189 case HPPA_BOARD_HP712_120:
190 case HPPA_BOARD_HP715_80:
191 case HPPA_BOARD_HP715_64:
192 case HPPA_BOARD_HP715_100:
193 case HPPA_BOARD_HP715_100XC:
194 case HPPA_BOARD_HP725_100:
195 case HPPA_BOARD_HP725_120:
196 case HPPA_BOARD_HP715_100L:
197 case HPPA_BOARD_HP715_120L:
198 case HPPA_BOARD_HP725_80L:
199 case HPPA_BOARD_HP725_100L:
200 case HPPA_BOARD_HP725_120L:
201 case HPPA_BOARD_HP743_50:
202 case HPPA_BOARD_HP743_100:
203 case HPPA_BOARD_HP715_80M:
204 case HPPA_BOARD_HP811:
205 case HPPA_BOARD_HP801:
206 case HPPA_BOARD_HP743T:
207 pdc_type = PDC_TYPE_SNAKE;
208 break;
209
210 default:
211 pdc_type = PDC_TYPE_UNKNOWN;
212 }
213 }
214
215 enum pdc_type
pdc_gettype(void)216 pdc_gettype(void)
217 {
218
219 return pdc_type;
220 }
221
222 int
pdcmatch(device_t parent,cfdata_t cf,void * aux)223 pdcmatch(device_t parent, cfdata_t cf, void *aux)
224 {
225 struct confargs *ca = aux;
226
227 /* there could be only one */
228 if (pdc_attached || strcmp(ca->ca_name, "pdc"))
229 return 0;
230
231 return 1;
232 }
233
234 void
pdcattach(device_t parent,device_t self,void * aux)235 pdcattach(device_t parent, device_t self, void *aux)
236 {
237 static struct todr_chip_handle todr = {
238 .todr_settime = pdcsettod,
239 .todr_gettime = pdcgettod,
240 };
241 struct pdc_softc *sc = device_private(self);
242
243 sc->sc_dv = self;
244 pdc_attached = 1;
245
246 KASSERT(pdc != NULL);
247
248 cn_init_magic(&pdc_cnm_state);
249 cn_set_magic("+++++");
250
251 /* attach the TOD clock */
252 todr_attach(&todr);
253
254 aprint_normal("\n");
255
256 callout_init(&sc->sc_to, 0);
257 }
258
259 int
pdcopen(dev_t dev,int flag,int mode,struct lwp * l)260 pdcopen(dev_t dev, int flag, int mode, struct lwp *l)
261 {
262 struct pdc_softc *sc;
263 struct tty *tp;
264 int s;
265 int error = 0, setuptimeout;
266
267 sc = device_lookup_private(&pdc_cd, minor(dev));
268 if (sc == NULL)
269 return ENXIO;
270
271 s = spltty();
272
273 if (sc->sc_tty) {
274 tp = sc->sc_tty;
275 } else {
276 tp = tty_alloc();
277 sc->sc_tty = tp;
278 tty_attach(tp);
279 }
280
281 tp->t_oproc = pdcstart;
282 tp->t_param = pdcparam;
283 tp->t_dev = dev;
284
285 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) {
286 splx(s);
287 return (EBUSY);
288 }
289
290 if ((tp->t_state & TS_ISOPEN) == 0) {
291 tp->t_state |= TS_CARR_ON;
292 ttychars(tp);
293 tp->t_iflag = TTYDEF_IFLAG;
294 tp->t_oflag = TTYDEF_OFLAG;
295 tp->t_cflag = TTYDEF_CFLAG|CLOCAL;
296 tp->t_lflag = TTYDEF_LFLAG;
297 tp->t_ispeed = tp->t_ospeed = 9600;
298 ttsetwater(tp);
299
300 setuptimeout = 1;
301 } else
302 setuptimeout = 0;
303 tp->t_state |= TS_CARR_ON;
304
305 splx(s);
306
307 error = (*tp->t_linesw->l_open)(dev, tp);
308 if (error == 0 && setuptimeout)
309 pdctimeout(sc);
310
311 return error;
312 }
313
314 int
pdcclose(dev_t dev,int flag,int mode,struct lwp * l)315 pdcclose(dev_t dev, int flag, int mode, struct lwp *l)
316 {
317 struct tty *tp;
318 struct pdc_softc *sc;
319
320 sc = device_lookup_private(&pdc_cd, minor(dev));
321 if (sc == NULL)
322 return ENXIO;
323
324 tp = sc->sc_tty;
325 callout_stop(&sc->sc_to);
326 (*tp->t_linesw->l_close)(tp, flag);
327 ttyclose(tp);
328 return 0;
329 }
330
331 int
pdcread(dev_t dev,struct uio * uio,int flag)332 pdcread(dev_t dev, struct uio *uio, int flag)
333 {
334 struct tty *tp;
335 struct pdc_softc *sc;
336
337 sc = device_lookup_private(&pdc_cd, minor(dev));
338 if (sc == NULL)
339 return ENXIO;
340
341 tp = sc->sc_tty;
342 return ((*tp->t_linesw->l_read)(tp, uio, flag));
343 }
344
345 int
pdcwrite(dev_t dev,struct uio * uio,int flag)346 pdcwrite(dev_t dev, struct uio *uio, int flag)
347 {
348 struct tty *tp;
349 struct pdc_softc *sc;
350
351 sc = device_lookup_private(&pdc_cd, minor(dev));
352 if (sc == NULL)
353 return ENXIO;
354
355 tp = sc->sc_tty;
356 return ((*tp->t_linesw->l_write)(tp, uio, flag));
357 }
358
359 int
pdcpoll(dev_t dev,int events,struct lwp * l)360 pdcpoll(dev_t dev, int events, struct lwp *l)
361 {
362 struct pdc_softc *sc = device_lookup_private(&pdc_cd,minor(dev));
363 struct tty *tp = sc->sc_tty;
364
365 return ((*tp->t_linesw->l_poll)(tp, events, l));
366 }
367
368 int
pdcioctl(dev_t dev,u_long cmd,void * data,int flag,struct lwp * l)369 pdcioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
370 {
371 int error;
372 struct tty *tp;
373 struct pdc_softc *sc;
374
375 sc = device_lookup_private(&pdc_cd, minor(dev));
376 if (sc == NULL)
377 return ENXIO;
378
379 tp = sc->sc_tty;
380 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l);
381 if (error >= 0)
382 return error;
383 error = ttioctl(tp, cmd, data, flag, l);
384 if (error >= 0)
385 return error;
386
387 return ENOTTY;
388 }
389
390 int
pdcparam(struct tty * tp,struct termios * t)391 pdcparam(struct tty *tp, struct termios *t)
392 {
393
394 return 0;
395 }
396
397 void
pdcstart(struct tty * tp)398 pdcstart(struct tty *tp)
399 {
400 int s;
401
402 s = spltty();
403 if (tp->t_state & (TS_TTSTOP | TS_BUSY)) {
404 splx(s);
405 return;
406 }
407 ttypull(tp);
408 tp->t_state |= TS_BUSY;
409 while (tp->t_outq.c_cc != 0)
410 pdccnputc(tp->t_dev, getc(&tp->t_outq));
411 tp->t_state &= ~TS_BUSY;
412 splx(s);
413 }
414
415 void
pdcstop(struct tty * tp,int flag)416 pdcstop(struct tty *tp, int flag)
417 {
418 int s;
419
420 s = spltty();
421 if (tp->t_state & TS_BUSY)
422 if ((tp->t_state & TS_TTSTOP) == 0)
423 tp->t_state |= TS_FLUSH;
424 splx(s);
425 }
426
427 void
pdctimeout(void * v)428 pdctimeout(void *v)
429 {
430 struct pdc_softc *sc = v;
431 struct tty *tp = sc->sc_tty;
432 int c;
433
434 while (pdccnlookc(tp->t_dev, &c)) {
435 cn_check_magic(tp->t_dev, c, pdc_cnm_state);
436 if (tp->t_state & TS_ISOPEN)
437 (*tp->t_linesw->l_rint)(c, tp);
438 }
439 callout_reset(&sc->sc_to, 1, pdctimeout, sc);
440 }
441
442 struct tty *
pdctty(dev_t dev)443 pdctty(dev_t dev)
444 {
445 struct pdc_softc *sc;
446
447 sc = device_lookup_private(&pdc_cd, minor(dev));
448 if (sc == NULL)
449 return NULL;
450
451 return sc->sc_tty;
452 }
453
454 void
pdccnprobe(struct consdev * cn)455 pdccnprobe(struct consdev *cn)
456 {
457
458 cn->cn_dev = makedev(22,0);
459 cn->cn_pri = CN_NORMAL;
460 }
461
462 void
pdccninit(struct consdev * cn)463 pdccninit(struct consdev *cn)
464 {
465 #ifdef DEBUG
466 printf("pdc0: console init\n");
467 #endif
468 }
469
470 int
pdccnlookc(dev_t dev,int * cp)471 pdccnlookc(dev_t dev, int *cp)
472 {
473 int s, err __debugused, l, pagezero_cookie;
474
475 s = splhigh();
476 pagezero_cookie = hppa_pagezero_map();
477 err = pdc_call(pdc_kbdiodc, 0, pz_kbd->pz_hpa, IODC_IO_CONSIN,
478 pz_kbd->pz_spa, pz_kbd->pz_layers, &pdcret1, 0, pdc_consbuf, 1, 0);
479 l = pdcret1.result[0];
480 *cp = pdc_consbuf[0];
481 hppa_pagezero_unmap(pagezero_cookie);
482 splx(s);
483
484 #ifdef DEBUG
485 if (err < 0)
486 printf("pdccnlookc: input error: %d\n", err);
487 #endif
488 return l;
489 }
490
491 int
pdccngetc(dev_t dev)492 pdccngetc(dev_t dev)
493 {
494 int c;
495
496 if (!pdc)
497 return 0;
498 while (!pdccnlookc(dev, &c))
499 ;
500 return (c);
501 }
502
503 void
pdccnputc(dev_t dev,int c)504 pdccnputc(dev_t dev, int c)
505 {
506 int s, err, pagezero_cookie;
507
508 s = splhigh();
509 pagezero_cookie = hppa_pagezero_map();
510 *pdc_consbuf = c;
511 err = pdc_call(pdc_cniodc, 0, pz_cons->pz_hpa, IODC_IO_CONSOUT,
512 pz_cons->pz_spa, pz_cons->pz_layers, &pdcret1, 0, pdc_consbuf, 1, 0);
513 hppa_pagezero_unmap(pagezero_cookie);
514 splx(s);
515
516 if (err < 0) {
517 #if defined(DDB) || defined(KGDB)
518 Debugger();
519 #endif /* DDB || KGDB */
520 delay(250000);
521 #if 0
522 /*
523 * It's not a good idea to use the output to print
524 * an output error.
525 */
526 printf("pdccnputc: output error: %d\n", err);
527 #endif
528 }
529 }
530
531 void
pdccnpollc(dev_t dev,int on)532 pdccnpollc(dev_t dev, int on)
533 {
534 }
535
536 static int
pdcgettod(todr_chip_handle_t tch,struct timeval * tvp)537 pdcgettod(todr_chip_handle_t tch, struct timeval *tvp)
538 {
539 struct pdc_tod *tod = (struct pdc_tod *)&pdcret1;
540 int error;
541
542 error = pdc_call((iodcio_t)pdc, 1, PDC_TOD, PDC_TOD_READ,
543 &pdcret1);
544
545 if (error == 0) {
546 tvp->tv_sec = tod->sec;
547 tvp->tv_usec = tod->usec;
548 }
549 return error;
550 }
551
552 static int
pdcsettod(todr_chip_handle_t tch,struct timeval * tvp)553 pdcsettod(todr_chip_handle_t tch, struct timeval *tvp)
554 {
555 int error;
556
557 error = pdc_call((iodcio_t)pdc, 1, PDC_TOD, PDC_TOD_WRITE,
558 tvp->tv_sec, tvp->tv_usec);
559
560 return error;
561 }
562
563
564 int
pdcproc_chassis_display(unsigned long disp)565 pdcproc_chassis_display(unsigned long disp)
566 {
567 int err;
568
569 err = pdc_call((iodcio_t)pdc, 0, PDC_CHASSIS, PDC_CHASSIS_DISP, disp);
570
571 return err;
572 }
573
574 int
pdcproc_chassis_info(struct pdc_chassis_info * pci,struct pdc_chassis_lcd * pcl)575 pdcproc_chassis_info(struct pdc_chassis_info *pci, struct pdc_chassis_lcd *pcl)
576 {
577 int err;
578
579 err = pdc_call((iodcio_t)pdc, 0, PDC_CHASSIS, PDC_CHASSIS_INFO,
580 &pdcret1, &pdcret2 , sizeof(*pcl));
581 if (err < 0)
582 return err;
583
584 memcpy(pci, &pdcret1, sizeof(*pci));
585 memcpy(pcl, &pdcret2, sizeof(*pcl));
586
587 return err;
588 }
589
590 int
pdcproc_pim(int type,struct pdc_pim * pp,void ** buf,size_t * sz)591 pdcproc_pim(int type, struct pdc_pim *pp, void **buf, size_t *sz)
592 {
593 static char data[896] __attribute__((__aligned__(8)));
594 int err;
595
596 err = pdc_call((iodcio_t)pdc, 0, PDC_PIM, type, &pdcret1, data,
597 sizeof(data));
598 if (err < 0)
599 return err;
600
601 memcpy(pp, &pdcret1, sizeof(*pp));
602 *buf = data;
603 *sz = sizeof(data);
604
605 return err;
606 }
607
608 int
pdcproc_model_info(struct pdc_model * pm)609 pdcproc_model_info(struct pdc_model *pm)
610 {
611 int err;
612
613 err = pdc_call((iodcio_t)pdc, 0, PDC_MODEL, PDC_MODEL_INFO, &pdcret1);
614 if (err < 0)
615 return err;
616
617 memcpy(pm, &pdcret1, sizeof(*pm));
618
619 return err;
620 }
621
622 int
pdcproc_model_cpuid(struct pdc_cpuid * pc)623 pdcproc_model_cpuid(struct pdc_cpuid *pc)
624 {
625 int err;
626
627 err = pdc_call((iodcio_t)pdc, 0, PDC_MODEL, PDC_MODEL_CPUID, &pdcret1);
628 if (err < 0)
629 return err;
630
631 memcpy(pc, &pdcret1, sizeof(*pc));
632
633 return err;
634 }
635
636 int
pdcproc_cache(struct pdc_cache * pc)637 pdcproc_cache(struct pdc_cache *pc)
638 {
639 int err;
640
641 err = pdc_call((iodcio_t)pdc, 0, PDC_CACHE, PDC_CACHE_DFLT, &pdcret1);
642
643 if (err < 0)
644 return err;
645
646 memcpy(pc, &pdcret1, sizeof(*pc));
647
648 return err;
649 }
650
651
652 int
pdcproc_cache_spidbits(struct pdc_spidb * pcs)653 pdcproc_cache_spidbits(struct pdc_spidb *pcs)
654 {
655 int err;
656
657 err = pdc_call((iodcio_t)pdc, 0, PDC_CACHE, PDC_CACHE_GETSPIDB,
658 &pdcret1);
659
660 if (err < 0)
661 return err;
662
663 memcpy(pcs, &pdcret1, sizeof(*pcs));
664
665 return err;
666 }
667
668 int
pdcproc_hpa_processor(hppa_hpa_t * hpa)669 pdcproc_hpa_processor(hppa_hpa_t *hpa)
670 {
671 int err;
672
673 err = pdc_call((iodcio_t)pdc, 0, PDC_HPA, PDC_HPA_DFLT, &pdcret1);
674 if (err < 0)
675 return err;
676
677 *hpa = pdcret1.result[0];
678
679 return err;
680 }
681
682 int
pdcproc_coproc(struct pdc_coproc * pc)683 pdcproc_coproc(struct pdc_coproc *pc)
684 {
685 int err;
686
687 err = pdc_call((iodcio_t)pdc, 0, PDC_COPROC, PDC_COPROC_DFLT, &pdcret1);
688 if (err < 0)
689 return err;
690
691 memcpy(pc, &pdcret1, sizeof(*pc));
692
693 return err;
694 }
695
696 int
pdcproc_iodc_read(hppa_hpa_t hpa,int command,int * actcnt,struct pdc_iodc_read * buf1,size_t sz1,struct iodc_data * buf2,size_t sz2)697 pdcproc_iodc_read(hppa_hpa_t hpa, int command, int *actcnt,
698 struct pdc_iodc_read *buf1, size_t sz1, struct iodc_data *buf2,
699 size_t sz2)
700 {
701 int err;
702
703 err = pdc_call((iodcio_t)pdc, 0, PDC_IODC, PDC_IODC_READ,
704 &pdcret1, hpa, command, &pdcret2, sizeof(pdcret2));
705
706 if (err < 0)
707 return err;
708
709 if (actcnt != NULL) {
710 struct pdc_iodc_read *pir = (struct pdc_iodc_read *)&pdcret1;
711
712 *actcnt = pir->size;
713 }
714
715 memcpy(buf1, &pdcret1, sz1);
716 memcpy(buf2, &pdcret2, sz2);
717
718 return err;
719 }
720
721 int
pdcproc_iodc_ninit(struct pdc_iodc_minit * pimi,hppa_hpa_t hpa,int sz)722 pdcproc_iodc_ninit(struct pdc_iodc_minit *pimi, hppa_hpa_t hpa, int sz)
723 {
724 int err;
725
726 err = pdc_call((iodcio_t)pdc, 0, PDC_IODC, PDC_IODC_NINIT, &pdcret1,
727 hpa, sz);
728
729 if (err < 0)
730 return err;
731
732 memcpy(pimi, &pdcret1, sizeof(*pimi));
733
734 return err;
735 }
736
737 int
pdcproc_instr(unsigned int * mem)738 pdcproc_instr(unsigned int *mem)
739 {
740 int err;
741
742 err = pdc_call((iodcio_t)pdc, 0, PDC_INSTR, PDC_INSTR_DFLT, &pdcret1);
743 if (err < 0)
744 return err;
745
746 memcpy(mem, &pdcret1, sizeof(*mem));
747
748 return err;
749 }
750
751 int
pdcproc_block_tlb(struct pdc_btlb * pb)752 pdcproc_block_tlb(struct pdc_btlb *pb)
753 {
754 int err;
755
756 err = pdc_call((iodcio_t)pdc, 0, PDC_BLOCK_TLB, PDC_BTLB_DEFAULT,
757 &pdcret1);
758 if (err < 0)
759 return err;
760
761 memcpy(pb, &pdcret1, sizeof(*pb));
762
763 return err;
764 }
765
766 int
pdcproc_btlb_insert(pa_space_t sp,vaddr_t va,paddr_t pa,vsize_t sz,u_int prot,int index)767 pdcproc_btlb_insert(pa_space_t sp, vaddr_t va, paddr_t pa, vsize_t sz,
768 u_int prot, int index)
769 {
770 int err;
771
772 err = pdc_call((iodcio_t)pdc, 0, PDC_BLOCK_TLB, PDC_BTLB_INSERT, sp,
773 va, pa, sz, prot, index);
774
775 return err;
776 }
777
778 int
pdcproc_btlb_purge(pa_space_t sp,vaddr_t va,paddr_t pa,vsize_t sz)779 pdcproc_btlb_purge(pa_space_t sp, vaddr_t va, paddr_t pa, vsize_t sz)
780 {
781 int err;
782
783 err = pdc_call((iodcio_t)pdc, 0, PDC_BLOCK_TLB, PDC_BTLB_PURGE, sp, va,
784 pa, sz);
785
786 return err;
787 }
788
789 int
pdcproc_btlb_purgeall(void)790 pdcproc_btlb_purgeall(void)
791 {
792 int err;
793
794 err = pdc_call((iodcio_t)pdc, 0, PDC_BLOCK_TLB, PDC_BTLB_PURGE_ALL);
795
796 return err;
797 }
798
pdcproc_tlb_info(struct pdc_hwtlb * ph)799 int pdcproc_tlb_info(struct pdc_hwtlb *ph)
800 {
801 int err;
802
803 err = pdc_call((iodcio_t)pdc, 0, PDC_TLB, PDC_TLB_INFO, &pdcret1);
804 if (err < 0)
805 return err;
806
807 memcpy(ph, &pdcret1, sizeof(*ph));
808
809 return err;
810 }
811
812 int
pdcproc_tlb_config(struct pdc_hwtlb * ph,unsigned long hpt,unsigned long hptsize,unsigned long type)813 pdcproc_tlb_config(struct pdc_hwtlb *ph, unsigned long hpt,
814 unsigned long hptsize, unsigned long type)
815 {
816 int err;
817
818 err = pdc_call((iodcio_t)pdc, 0, PDC_TLB, PDC_TLB_CONFIG, ph, hpt,
819 hptsize, type);
820
821 return err;
822 }
823
824 int
pdcproc_system_map_find_mod(struct pdc_system_map_find_mod * psm,struct device_path * dev,int mod)825 pdcproc_system_map_find_mod(struct pdc_system_map_find_mod *psm,
826 struct device_path *dev, int mod)
827 {
828 int err;
829
830 err = pdc_call((iodcio_t)pdc, 0, PDC_SYSTEM_MAP,
831 PDC_SYSTEM_MAP_FIND_MOD, &pdcret1, &pdcret2, mod);
832 if (err < 0)
833 return err;
834
835 memcpy(psm, &pdcret1, sizeof(*psm));
836 memcpy(dev, &pdcret2, sizeof(*dev));
837
838 return err;
839 }
840
841 int
pdcproc_system_map_find_addr(struct pdc_system_map_find_addr * psm,int mod,int addr)842 pdcproc_system_map_find_addr(struct pdc_system_map_find_addr *psm, int mod,
843 int addr)
844 {
845 int err;
846
847 err = pdc_call((iodcio_t)pdc, 0, PDC_SYSTEM_MAP,
848 PDC_SYSTEM_MAP_FIND_ADDR, &pdcret1, mod, addr);
849 if (err < 0)
850 return err;
851
852 memcpy(psm, &pdcret1, sizeof(*psm));
853
854 return err;
855
856 }
857
858 int
pdcproc_system_map_trans_path(struct pdc_memmap * pmm,struct device_path * dev)859 pdcproc_system_map_trans_path(struct pdc_memmap *pmm, struct device_path *dev)
860 {
861 int err;
862
863 memcpy(&pdcret2, dev, sizeof(*dev));
864
865 err = pdc_call((iodcio_t)pdc, 0, PDC_SYSTEM_MAP,
866 PDC_SYSTEM_MAP_TRANS_PATH, &pdcret1, &pdcret2);
867 if (err < 0)
868 return err;
869
870 memcpy(pmm, &pdcret1, sizeof(*pmm));
871
872 return err;
873 }
874
875 int
pdcproc_soft_power_info(struct pdc_power_info * pspi)876 pdcproc_soft_power_info(struct pdc_power_info *pspi)
877 {
878 int err;
879
880 err = pdc_call((iodcio_t)pdc, 0, PDC_SOFT_POWER, PDC_SOFT_POWER_INFO,
881 &pdcret1, 0);
882 if (err < 0)
883 return err;
884
885 memcpy(pspi, &pdcret1, sizeof(*pspi));
886
887 return err;
888 }
889
890 int
pdcproc_soft_power_enable(int action)891 pdcproc_soft_power_enable(int action)
892 {
893 int err;
894
895 err = pdc_call((iodcio_t)pdc, 0, PDC_SOFT_POWER, PDC_SOFT_POWER_ENABLE,
896 &pdcret1, action);
897
898 return err;
899 }
900
901 int
pdcproc_memmap(struct pdc_memmap * pmm,struct device_path * dev)902 pdcproc_memmap(struct pdc_memmap *pmm, struct device_path *dev)
903 {
904 int err;
905
906 memcpy(&pdcret2, dev, sizeof(*dev));
907
908 err = pdc_call((iodcio_t)pdc, 0, PDC_MEMMAP, PDC_MEMMAP_HPA, &pdcret1,
909 &pdcret2);
910 if (err < 0)
911 return err;
912
913 memcpy(pmm, &pdcret1, sizeof(*pmm));
914
915 return err;
916 }
917
918 int
pdcproc_ioclrerrors(void)919 pdcproc_ioclrerrors(void)
920 {
921 int err;
922
923 err = pdc_call((iodcio_t)pdc, 0, PDC_IO, PDC_IO_READ_AND_CLEAR_ERRORS);
924
925 return err;
926 }
927
928 int
pdcproc_ioreset(void)929 pdcproc_ioreset(void)
930 {
931 int err;
932
933 err = pdc_call((iodcio_t)pdc, 0, PDC_IO, PDC_IO_RESET_DEVICES);
934
935 return err;
936 }
937
938 int
pdcproc_doreset(void)939 pdcproc_doreset(void)
940 {
941 int err;
942
943 err = pdc_call((iodcio_t)pdc, 0, PDC_BROADCAST_RESET, PDC_DO_RESET);
944
945 return err;
946 }
947
948 int
pdcproc_lan_station_id(char * addr,size_t sz,hppa_hpa_t hpa)949 pdcproc_lan_station_id(char *addr, size_t sz, hppa_hpa_t hpa)
950 {
951 struct pdc_lan_station_id *mac = (struct pdc_lan_station_id *)&pdcret1;
952 int err;
953
954 err = pdc_call((iodcio_t)pdc, 0, PDC_LAN_STATION_ID,
955 PDC_LAN_STATION_ID_READ, &pdcret1, hpa);
956 if (err < 0)
957 return err;
958
959 memcpy(addr, mac->addr, sz);
960
961 return 0;
962 }
963
964 int
pdcproc_pci_inttblsz(int * nentries)965 pdcproc_pci_inttblsz(int *nentries)
966 {
967 struct pdc_pat_io_num *ppio = (struct pdc_pat_io_num *)&pdcret1;
968 int err;
969
970 err = pdc_call((iodcio_t)pdc, 0, PDC_PCI_INDEX, PDC_PCI_GET_INT_TBL_SZ,
971 &pdcret1);
972
973 *nentries = ppio->num;
974
975 return err;
976 }
977
978 /* Maximum number of supported interrupt routing entries. */
979 #define MAX_INT_TBL_SZ 16
980
981 int
pdcproc_pci_gettable(int nentries,size_t size,void * table)982 pdcproc_pci_gettable(int nentries, size_t size, void *table)
983 {
984 int err;
985 static struct pdc_pat_pci_rt int_tbl[MAX_INT_TBL_SZ] PDC_ALIGNMENT;
986
987 if (nentries > MAX_INT_TBL_SZ)
988 panic("interrupt routing table too big (%d entries)", nentries);
989
990 pdcret1.result[0] = nentries;
991
992 err = pdc_call((iodcio_t)pdc, 0, PDC_PCI_INDEX, PDC_PCI_GET_INT_TBL,
993 &pdcret1, 0, &int_tbl);
994 if (err < 0)
995 return err;
996
997 memcpy(table, int_tbl, size);
998
999 return err;
1000 }
1001