pciide.c revision 1.182 1 /* $NetBSD: pciide.c,v 1.182 2003/03/14 22:46:05 bouyer Exp $ */
2
3
4 /*
5 * Copyright (c) 1999, 2000, 2001 Manuel Bouyer.
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. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Manuel Bouyer.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35
36 /*
37 * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * 2. Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in the
46 * documentation and/or other materials provided with the distribution.
47 * 3. All advertising materials mentioning features or use of this software
48 * must display the following acknowledgement:
49 * This product includes software developed by Christopher G. Demetriou
50 * for the NetBSD Project.
51 * 4. The name of the author may not be used to endorse or promote products
52 * derived from this software without specific prior written permission
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 */
65
66 /*
67 * PCI IDE controller driver.
68 *
69 * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD
70 * sys/dev/pci/ppb.c, revision 1.16).
71 *
72 * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and
73 * "Programming Interface for Bus Master IDE Controller, Revision 1.0
74 * 5/16/94" from the PCI SIG.
75 *
76 */
77
78 #include <sys/cdefs.h>
79 __KERNEL_RCSID(0, "$NetBSD: pciide.c,v 1.182 2003/03/14 22:46:05 bouyer Exp $");
80
81 #ifndef WDCDEBUG
82 #define WDCDEBUG
83 #endif
84
85 #define DEBUG_DMA 0x01
86 #define DEBUG_XFERS 0x02
87 #define DEBUG_FUNCS 0x08
88 #define DEBUG_PROBE 0x10
89 #ifdef WDCDEBUG
90 int wdcdebug_pciide_mask = 0;
91 #define WDCDEBUG_PRINT(args, level) \
92 if (wdcdebug_pciide_mask & (level)) printf args
93 #else
94 #define WDCDEBUG_PRINT(args, level)
95 #endif
96 #include <sys/param.h>
97 #include <sys/systm.h>
98 #include <sys/device.h>
99 #include <sys/malloc.h>
100
101 #include <uvm/uvm_extern.h>
102
103 #include <machine/endian.h>
104
105 #include <dev/pci/pcireg.h>
106 #include <dev/pci/pcivar.h>
107 #include <dev/pci/pcidevs.h>
108 #include <dev/pci/pciidereg.h>
109 #include <dev/pci/pciidevar.h>
110 #include <dev/pci/pciide_piix_reg.h>
111 #include <dev/pci/pciide_amd_reg.h>
112 #include <dev/pci/pciide_apollo_reg.h>
113 #include <dev/pci/pciide_cmd_reg.h>
114 #include <dev/pci/pciide_cy693_reg.h>
115 #include <dev/pci/pciide_sis_reg.h>
116 #include <dev/pci/pciide_acer_reg.h>
117 #include <dev/pci/pciide_pdc202xx_reg.h>
118 #include <dev/pci/pciide_opti_reg.h>
119 #include <dev/pci/pciide_hpt_reg.h>
120 #include <dev/pci/pciide_acard_reg.h>
121 #include <dev/pci/pciide_sl82c105_reg.h>
122 #include <dev/pci/cy82c693var.h>
123
124 #include "opt_pciide.h"
125
126 /* inlines for reading/writing 8-bit PCI registers */
127 static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t,
128 int));
129 static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t,
130 int, u_int8_t));
131
132 static __inline u_int8_t
133 pciide_pci_read(pc, pa, reg)
134 pci_chipset_tag_t pc;
135 pcitag_t pa;
136 int reg;
137 {
138
139 return (pci_conf_read(pc, pa, (reg & ~0x03)) >>
140 ((reg & 0x03) * 8) & 0xff);
141 }
142
143 static __inline void
144 pciide_pci_write(pc, pa, reg, val)
145 pci_chipset_tag_t pc;
146 pcitag_t pa;
147 int reg;
148 u_int8_t val;
149 {
150 pcireg_t pcival;
151
152 pcival = pci_conf_read(pc, pa, (reg & ~0x03));
153 pcival &= ~(0xff << ((reg & 0x03) * 8));
154 pcival |= (val << ((reg & 0x03) * 8));
155 pci_conf_write(pc, pa, (reg & ~0x03), pcival);
156 }
157
158 void default_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
159
160 void piix_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
161 void piix_setup_channel __P((struct channel_softc*));
162 void piix3_4_setup_channel __P((struct channel_softc*));
163 static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t));
164 static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*));
165 static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t));
166
167 void amd7x6_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
168 void amd7x6_setup_channel __P((struct channel_softc*));
169
170 void apollo_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
171 void apollo_setup_channel __P((struct channel_softc*));
172
173 void cmd_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
174 void cmd0643_9_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
175 void cmd0643_9_setup_channel __P((struct channel_softc*));
176 void cmd_channel_map __P((struct pci_attach_args *,
177 struct pciide_softc *, int));
178 int cmd_pci_intr __P((void *));
179 void cmd646_9_irqack __P((struct channel_softc *));
180 void cmd680_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
181 void cmd680_setup_channel __P((struct channel_softc*));
182 void cmd680_channel_map __P((struct pci_attach_args *,
183 struct pciide_softc *, int));
184
185 void cy693_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
186 void cy693_setup_channel __P((struct channel_softc*));
187
188 void sis_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
189 void sis_setup_channel __P((struct channel_softc*));
190 void sis96x_setup_channel __P((struct channel_softc*));
191 static int sis_hostbr_match __P(( struct pci_attach_args *));
192 static int sis_south_match __P(( struct pci_attach_args *));
193
194 void acer_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
195 void acer_setup_channel __P((struct channel_softc*));
196 int acer_pci_intr __P((void *));
197
198 void pdc202xx_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
199 void pdc202xx_setup_channel __P((struct channel_softc*));
200 void pdc20268_setup_channel __P((struct channel_softc*));
201 int pdc202xx_pci_intr __P((void *));
202 int pdc20265_pci_intr __P((void *));
203
204 void opti_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
205 void opti_setup_channel __P((struct channel_softc*));
206
207 void hpt_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
208 void hpt_setup_channel __P((struct channel_softc*));
209 int hpt_pci_intr __P((void *));
210
211 void acard_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
212 void acard_setup_channel __P((struct channel_softc*));
213 int acard_pci_intr __P((void *));
214
215 void serverworks_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
216 void serverworks_setup_channel __P((struct channel_softc*));
217 int serverworks_pci_intr __P((void *));
218
219 void sl82c105_chip_map __P((struct pciide_softc*, struct pci_attach_args*));
220 void sl82c105_setup_channel __P((struct channel_softc*));
221
222 void pciide_channel_dma_setup __P((struct pciide_channel *));
223 int pciide_dma_table_setup __P((struct pciide_softc*, int, int));
224 int pciide_dma_init __P((void*, int, int, void *, size_t, int));
225 void pciide_dma_start __P((void*, int, int));
226 int pciide_dma_finish __P((void*, int, int, int));
227 void pciide_irqack __P((struct channel_softc *));
228 void pciide_print_modes __P((struct pciide_channel *));
229
230 struct pciide_product_desc {
231 u_int32_t ide_product;
232 int ide_flags;
233 const char *ide_name;
234 /* map and setup chip, probe drives */
235 void (*chip_map) __P((struct pciide_softc*, struct pci_attach_args*));
236 };
237
238 /* Flags for ide_flags */
239 #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */
240 #define IDE_16BIT_IOSPACE 0x0002 /* I/O space BARS ignore upper word */
241
242 /* Default product description for devices not known from this controller */
243 const struct pciide_product_desc default_product_desc = {
244 0,
245 0,
246 "Generic PCI IDE controller",
247 default_chip_map,
248 };
249
250 const struct pciide_product_desc pciide_intel_products[] = {
251 { PCI_PRODUCT_INTEL_82092AA,
252 0,
253 "Intel 82092AA IDE controller",
254 default_chip_map,
255 },
256 { PCI_PRODUCT_INTEL_82371FB_IDE,
257 0,
258 "Intel 82371FB IDE controller (PIIX)",
259 piix_chip_map,
260 },
261 { PCI_PRODUCT_INTEL_82371SB_IDE,
262 0,
263 "Intel 82371SB IDE Interface (PIIX3)",
264 piix_chip_map,
265 },
266 { PCI_PRODUCT_INTEL_82371AB_IDE,
267 0,
268 "Intel 82371AB IDE controller (PIIX4)",
269 piix_chip_map,
270 },
271 { PCI_PRODUCT_INTEL_82440MX_IDE,
272 0,
273 "Intel 82440MX IDE controller",
274 piix_chip_map
275 },
276 { PCI_PRODUCT_INTEL_82801AA_IDE,
277 0,
278 "Intel 82801AA IDE Controller (ICH)",
279 piix_chip_map,
280 },
281 { PCI_PRODUCT_INTEL_82801AB_IDE,
282 0,
283 "Intel 82801AB IDE Controller (ICH0)",
284 piix_chip_map,
285 },
286 { PCI_PRODUCT_INTEL_82801BA_IDE,
287 0,
288 "Intel 82801BA IDE Controller (ICH2)",
289 piix_chip_map,
290 },
291 { PCI_PRODUCT_INTEL_82801BAM_IDE,
292 0,
293 "Intel 82801BAM IDE Controller (ICH2)",
294 piix_chip_map,
295 },
296 { PCI_PRODUCT_INTEL_82801CA_IDE_1,
297 0,
298 "Intel 82801CA IDE Controller",
299 piix_chip_map,
300 },
301 { PCI_PRODUCT_INTEL_82801CA_IDE_2,
302 0,
303 "Intel 82801CA IDE Controller",
304 piix_chip_map,
305 },
306 { PCI_PRODUCT_INTEL_82801DB_IDE,
307 0,
308 "Intel 82801DB IDE Controller (ICH4)",
309 piix_chip_map,
310 },
311 { 0,
312 0,
313 NULL,
314 NULL
315 }
316 };
317
318 const struct pciide_product_desc pciide_amd_products[] = {
319 { PCI_PRODUCT_AMD_PBC756_IDE,
320 0,
321 "Advanced Micro Devices AMD756 IDE Controller",
322 amd7x6_chip_map
323 },
324 { PCI_PRODUCT_AMD_PBC766_IDE,
325 0,
326 "Advanced Micro Devices AMD766 IDE Controller",
327 amd7x6_chip_map
328 },
329 { PCI_PRODUCT_AMD_PBC768_IDE,
330 0,
331 "Advanced Micro Devices AMD768 IDE Controller",
332 amd7x6_chip_map
333 },
334 { PCI_PRODUCT_AMD_PBC8111_IDE,
335 0,
336 "Advanced Micro Devices AMD8111 IDE Controller",
337 amd7x6_chip_map
338 },
339 { 0,
340 0,
341 NULL,
342 NULL
343 }
344 };
345
346 const struct pciide_product_desc pciide_nvidia_products[] = {
347 { PCI_PRODUCT_NVIDIA_NFORCE_ATA100,
348 0,
349 "NVIDIA nForce IDE Controller",
350 amd7x6_chip_map
351 },
352 { PCI_PRODUCT_NVIDIA_NFORCE2_ATA133,
353 0,
354 "NVIDIA nForce2 IDE Controller",
355 amd7x6_chip_map
356 },
357 { 0,
358 0,
359 NULL,
360 NULL
361 }
362 };
363
364 const struct pciide_product_desc pciide_cmd_products[] = {
365 { PCI_PRODUCT_CMDTECH_640,
366 0,
367 "CMD Technology PCI0640",
368 cmd_chip_map
369 },
370 { PCI_PRODUCT_CMDTECH_643,
371 0,
372 "CMD Technology PCI0643",
373 cmd0643_9_chip_map,
374 },
375 { PCI_PRODUCT_CMDTECH_646,
376 0,
377 "CMD Technology PCI0646",
378 cmd0643_9_chip_map,
379 },
380 { PCI_PRODUCT_CMDTECH_648,
381 IDE_PCI_CLASS_OVERRIDE,
382 "CMD Technology PCI0648",
383 cmd0643_9_chip_map,
384 },
385 { PCI_PRODUCT_CMDTECH_649,
386 IDE_PCI_CLASS_OVERRIDE,
387 "CMD Technology PCI0649",
388 cmd0643_9_chip_map,
389 },
390 { PCI_PRODUCT_CMDTECH_680,
391 IDE_PCI_CLASS_OVERRIDE,
392 "Silicon Image 0680",
393 cmd680_chip_map,
394 },
395 { 0,
396 0,
397 NULL,
398 NULL
399 }
400 };
401
402 const struct pciide_product_desc pciide_via_products[] = {
403 { PCI_PRODUCT_VIATECH_VT82C586_IDE,
404 0,
405 NULL,
406 apollo_chip_map,
407 },
408 { PCI_PRODUCT_VIATECH_VT82C586A_IDE,
409 0,
410 NULL,
411 apollo_chip_map,
412 },
413 { 0,
414 0,
415 NULL,
416 NULL
417 }
418 };
419
420 const struct pciide_product_desc pciide_cypress_products[] = {
421 { PCI_PRODUCT_CONTAQ_82C693,
422 IDE_16BIT_IOSPACE,
423 "Cypress 82C693 IDE Controller",
424 cy693_chip_map,
425 },
426 { 0,
427 0,
428 NULL,
429 NULL
430 }
431 };
432
433 const struct pciide_product_desc pciide_sis_products[] = {
434 { PCI_PRODUCT_SIS_5597_IDE,
435 0,
436 NULL,
437 sis_chip_map,
438 },
439 { 0,
440 0,
441 NULL,
442 NULL
443 }
444 };
445
446 const struct pciide_product_desc pciide_acer_products[] = {
447 { PCI_PRODUCT_ALI_M5229,
448 0,
449 "Acer Labs M5229 UDMA IDE Controller",
450 acer_chip_map,
451 },
452 { 0,
453 0,
454 NULL,
455 NULL
456 }
457 };
458
459 const struct pciide_product_desc pciide_promise_products[] = {
460 { PCI_PRODUCT_PROMISE_ULTRA33,
461 IDE_PCI_CLASS_OVERRIDE,
462 "Promise Ultra33/ATA Bus Master IDE Accelerator",
463 pdc202xx_chip_map,
464 },
465 { PCI_PRODUCT_PROMISE_ULTRA66,
466 IDE_PCI_CLASS_OVERRIDE,
467 "Promise Ultra66/ATA Bus Master IDE Accelerator",
468 pdc202xx_chip_map,
469 },
470 { PCI_PRODUCT_PROMISE_ULTRA100,
471 IDE_PCI_CLASS_OVERRIDE,
472 "Promise Ultra100/ATA Bus Master IDE Accelerator",
473 pdc202xx_chip_map,
474 },
475 { PCI_PRODUCT_PROMISE_ULTRA100X,
476 IDE_PCI_CLASS_OVERRIDE,
477 "Promise Ultra100/ATA Bus Master IDE Accelerator",
478 pdc202xx_chip_map,
479 },
480 { PCI_PRODUCT_PROMISE_ULTRA100TX2,
481 IDE_PCI_CLASS_OVERRIDE,
482 "Promise Ultra100TX2/ATA Bus Master IDE Accelerator",
483 pdc202xx_chip_map,
484 },
485 { PCI_PRODUCT_PROMISE_ULTRA100TX2v2,
486 IDE_PCI_CLASS_OVERRIDE,
487 "Promise Ultra100TX2v2/ATA Bus Master IDE Accelerator",
488 pdc202xx_chip_map,
489 },
490 { PCI_PRODUCT_PROMISE_ULTRA133,
491 IDE_PCI_CLASS_OVERRIDE,
492 "Promise Ultra133/ATA Bus Master IDE Accelerator",
493 pdc202xx_chip_map,
494 },
495 { PCI_PRODUCT_PROMISE_ULTRA133TX2,
496 IDE_PCI_CLASS_OVERRIDE,
497 "Promise Ultra133TX2/ATA Bus Master IDE Accelerator",
498 pdc202xx_chip_map,
499 },
500 { PCI_PRODUCT_PROMISE_MBULTRA133,
501 IDE_PCI_CLASS_OVERRIDE,
502 "Promise Ultra133/ATA Bus Master IDE Accelerator (MB)",
503 pdc202xx_chip_map,
504 },
505 { PCI_PRODUCT_PROMISE_ULTRA133TX2v2,
506 IDE_PCI_CLASS_OVERRIDE,
507 "Promise Ultra133TX2v2/ATA Bus Master IDE Accelerator",
508 pdc202xx_chip_map,
509 },
510 { PCI_PRODUCT_PROMISE_FASTTRAK133LITE,
511 IDE_PCI_CLASS_OVERRIDE,
512 "Promise Fasttrak133 Lite Bus Master IDE Accelerator",
513 pdc202xx_chip_map,
514 },
515 { PCI_PRODUCT_PROMISE_SATA150TX2PLUS,
516 IDE_PCI_CLASS_OVERRIDE,
517 "Promise Serial ATA/150 TX2plus Bus Master IDE Accelerator",
518 pdc202xx_chip_map,
519 },
520 { 0,
521 0,
522 NULL,
523 NULL
524 }
525 };
526
527 const struct pciide_product_desc pciide_opti_products[] = {
528 { PCI_PRODUCT_OPTI_82C621,
529 0,
530 "OPTi 82c621 PCI IDE controller",
531 opti_chip_map,
532 },
533 { PCI_PRODUCT_OPTI_82C568,
534 0,
535 "OPTi 82c568 (82c621 compatible) PCI IDE controller",
536 opti_chip_map,
537 },
538 { PCI_PRODUCT_OPTI_82D568,
539 0,
540 "OPTi 82d568 (82c621 compatible) PCI IDE controller",
541 opti_chip_map,
542 },
543 { 0,
544 0,
545 NULL,
546 NULL
547 }
548 };
549
550 const struct pciide_product_desc pciide_triones_products[] = {
551 { PCI_PRODUCT_TRIONES_HPT366,
552 IDE_PCI_CLASS_OVERRIDE,
553 NULL,
554 hpt_chip_map,
555 },
556 { PCI_PRODUCT_TRIONES_HPT372,
557 IDE_PCI_CLASS_OVERRIDE,
558 NULL,
559 hpt_chip_map
560 },
561 { PCI_PRODUCT_TRIONES_HPT374,
562 IDE_PCI_CLASS_OVERRIDE,
563 NULL,
564 hpt_chip_map
565 },
566 { 0,
567 0,
568 NULL,
569 NULL
570 }
571 };
572
573 const struct pciide_product_desc pciide_acard_products[] = {
574 { PCI_PRODUCT_ACARD_ATP850U,
575 IDE_PCI_CLASS_OVERRIDE,
576 "Acard ATP850U Ultra33 IDE Controller",
577 acard_chip_map,
578 },
579 { PCI_PRODUCT_ACARD_ATP860,
580 IDE_PCI_CLASS_OVERRIDE,
581 "Acard ATP860 Ultra66 IDE Controller",
582 acard_chip_map,
583 },
584 { PCI_PRODUCT_ACARD_ATP860A,
585 IDE_PCI_CLASS_OVERRIDE,
586 "Acard ATP860-A Ultra66 IDE Controller",
587 acard_chip_map,
588 },
589 { 0,
590 0,
591 NULL,
592 NULL
593 }
594 };
595
596 const struct pciide_product_desc pciide_serverworks_products[] = {
597 { PCI_PRODUCT_SERVERWORKS_OSB4_IDE,
598 0,
599 "ServerWorks OSB4 IDE Controller",
600 serverworks_chip_map,
601 },
602 { PCI_PRODUCT_SERVERWORKS_CSB5_IDE,
603 0,
604 "ServerWorks CSB5 IDE Controller",
605 serverworks_chip_map,
606 },
607 { PCI_PRODUCT_SERVERWORKS_CSB6_IDE,
608 0,
609 "ServerWorks CSB6 RAID/IDE Controller",
610 serverworks_chip_map,
611 },
612 { 0,
613 0,
614 NULL,
615 }
616 };
617
618 const struct pciide_product_desc pciide_symphony_products[] = {
619 { PCI_PRODUCT_SYMPHONY_82C105,
620 0,
621 "Symphony Labs 82C105 IDE controller",
622 sl82c105_chip_map,
623 },
624 { 0,
625 0,
626 NULL,
627 }
628 };
629
630 const struct pciide_product_desc pciide_winbond_products[] = {
631 { PCI_PRODUCT_WINBOND_W83C553F_1,
632 0,
633 "Winbond W83C553F IDE controller",
634 sl82c105_chip_map,
635 },
636 { 0,
637 0,
638 NULL,
639 }
640 };
641
642 struct pciide_vendor_desc {
643 u_int32_t ide_vendor;
644 const struct pciide_product_desc *ide_products;
645 };
646
647 const struct pciide_vendor_desc pciide_vendors[] = {
648 { PCI_VENDOR_INTEL, pciide_intel_products },
649 { PCI_VENDOR_CMDTECH, pciide_cmd_products },
650 { PCI_VENDOR_VIATECH, pciide_via_products },
651 { PCI_VENDOR_CONTAQ, pciide_cypress_products },
652 { PCI_VENDOR_SIS, pciide_sis_products },
653 { PCI_VENDOR_ALI, pciide_acer_products },
654 { PCI_VENDOR_PROMISE, pciide_promise_products },
655 { PCI_VENDOR_AMD, pciide_amd_products },
656 { PCI_VENDOR_OPTI, pciide_opti_products },
657 { PCI_VENDOR_TRIONES, pciide_triones_products },
658 { PCI_VENDOR_ACARD, pciide_acard_products },
659 { PCI_VENDOR_SERVERWORKS, pciide_serverworks_products },
660 { PCI_VENDOR_SYMPHONY, pciide_symphony_products },
661 { PCI_VENDOR_WINBOND, pciide_winbond_products },
662 { PCI_VENDOR_NVIDIA, pciide_nvidia_products },
663 { 0, NULL }
664 };
665
666 /* options passed via the 'flags' config keyword */
667 #define PCIIDE_OPTIONS_DMA 0x01
668 #define PCIIDE_OPTIONS_NODMA 0x02
669
670 int pciide_match __P((struct device *, struct cfdata *, void *));
671 void pciide_attach __P((struct device *, struct device *, void *));
672
673 CFATTACH_DECL(pciide, sizeof(struct pciide_softc),
674 pciide_match, pciide_attach, NULL, NULL);
675
676 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *));
677 int pciide_mapregs_compat __P(( struct pci_attach_args *,
678 struct pciide_channel *, int, bus_size_t *, bus_size_t*));
679 int pciide_mapregs_native __P((struct pci_attach_args *,
680 struct pciide_channel *, bus_size_t *, bus_size_t *,
681 int (*pci_intr) __P((void *))));
682 void pciide_mapreg_dma __P((struct pciide_softc *,
683 struct pci_attach_args *));
684 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t));
685 void pciide_mapchan __P((struct pci_attach_args *,
686 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *,
687 int (*pci_intr) __P((void *))));
688 int pciide_chan_candisable __P((struct pciide_channel *));
689 void pciide_map_compat_intr __P(( struct pci_attach_args *,
690 struct pciide_channel *, int, int));
691 int pciide_compat_intr __P((void *));
692 int pciide_pci_intr __P((void *));
693 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t));
694
695 const struct pciide_product_desc *
696 pciide_lookup_product(id)
697 u_int32_t id;
698 {
699 const struct pciide_product_desc *pp;
700 const struct pciide_vendor_desc *vp;
701
702 for (vp = pciide_vendors; vp->ide_products != NULL; vp++)
703 if (PCI_VENDOR(id) == vp->ide_vendor)
704 break;
705
706 if ((pp = vp->ide_products) == NULL)
707 return NULL;
708
709 for (; pp->chip_map != NULL; pp++)
710 if (PCI_PRODUCT(id) == pp->ide_product)
711 break;
712
713 if (pp->chip_map == NULL)
714 return NULL;
715 return pp;
716 }
717
718 int
719 pciide_match(parent, match, aux)
720 struct device *parent;
721 struct cfdata *match;
722 void *aux;
723 {
724 struct pci_attach_args *pa = aux;
725 const struct pciide_product_desc *pp;
726
727 /*
728 * Check the ID register to see that it's a PCI IDE controller.
729 * If it is, we assume that we can deal with it; it _should_
730 * work in a standardized way...
731 */
732 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE &&
733 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
734 return (1);
735 }
736
737 /*
738 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE
739 * controllers. Let see if we can deal with it anyway.
740 */
741 pp = pciide_lookup_product(pa->pa_id);
742 if (pp != NULL && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) {
743 return (1);
744 }
745
746 return (0);
747 }
748
749 void
750 pciide_attach(parent, self, aux)
751 struct device *parent, *self;
752 void *aux;
753 {
754 struct pci_attach_args *pa = aux;
755 pci_chipset_tag_t pc = pa->pa_pc;
756 pcitag_t tag = pa->pa_tag;
757 struct pciide_softc *sc = (struct pciide_softc *)self;
758 pcireg_t csr;
759 char devinfo[256];
760 const char *displaydev;
761
762 sc->sc_pci_vendor = PCI_VENDOR(pa->pa_id);
763 sc->sc_pp = pciide_lookup_product(pa->pa_id);
764 if (sc->sc_pp == NULL) {
765 sc->sc_pp = &default_product_desc;
766 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
767 displaydev = devinfo;
768 } else
769 displaydev = sc->sc_pp->ide_name;
770
771 /* if displaydev == NULL, printf is done in chip-specific map */
772 if (displaydev)
773 printf(": %s (rev. 0x%02x)\n", displaydev,
774 PCI_REVISION(pa->pa_class));
775
776 sc->sc_pc = pa->pa_pc;
777 sc->sc_tag = pa->pa_tag;
778 #ifdef WDCDEBUG
779 if (wdcdebug_pciide_mask & DEBUG_PROBE)
780 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL);
781 #endif
782 sc->sc_pp->chip_map(sc, pa);
783
784 if (sc->sc_dma_ok) {
785 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
786 csr |= PCI_COMMAND_MASTER_ENABLE;
787 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr);
788 }
789 WDCDEBUG_PRINT(("pciide: command/status register=%x\n",
790 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE);
791 }
792
793 /* tell whether the chip is enabled or not */
794 int
795 pciide_chipen(sc, pa)
796 struct pciide_softc *sc;
797 struct pci_attach_args *pa;
798 {
799 pcireg_t csr;
800 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) {
801 csr = pci_conf_read(sc->sc_pc, sc->sc_tag,
802 PCI_COMMAND_STATUS_REG);
803 printf("%s: device disabled (at %s)\n",
804 sc->sc_wdcdev.sc_dev.dv_xname,
805 (csr & PCI_COMMAND_IO_ENABLE) == 0 ?
806 "device" : "bridge");
807 return 0;
808 }
809 return 1;
810 }
811
812 int
813 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep)
814 struct pci_attach_args *pa;
815 struct pciide_channel *cp;
816 int compatchan;
817 bus_size_t *cmdsizep, *ctlsizep;
818 {
819 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
820 struct channel_softc *wdc_cp = &cp->wdc_channel;
821
822 cp->compat = 1;
823 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE;
824 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE;
825
826 wdc_cp->cmd_iot = pa->pa_iot;
827 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan),
828 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) {
829 printf("%s: couldn't map %s channel cmd regs\n",
830 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
831 return (0);
832 }
833
834 wdc_cp->ctl_iot = pa->pa_iot;
835 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan),
836 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) {
837 printf("%s: couldn't map %s channel ctl regs\n",
838 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
839 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh,
840 PCIIDE_COMPAT_CMD_SIZE);
841 return (0);
842 }
843
844 return (1);
845 }
846
847 int
848 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr)
849 struct pci_attach_args * pa;
850 struct pciide_channel *cp;
851 bus_size_t *cmdsizep, *ctlsizep;
852 int (*pci_intr) __P((void *));
853 {
854 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
855 struct channel_softc *wdc_cp = &cp->wdc_channel;
856 const char *intrstr;
857 pci_intr_handle_t intrhandle;
858
859 cp->compat = 0;
860
861 if (sc->sc_pci_ih == NULL) {
862 if (pci_intr_map(pa, &intrhandle) != 0) {
863 printf("%s: couldn't map native-PCI interrupt\n",
864 sc->sc_wdcdev.sc_dev.dv_xname);
865 return 0;
866 }
867 intrstr = pci_intr_string(pa->pa_pc, intrhandle);
868 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc,
869 intrhandle, IPL_BIO, pci_intr, sc);
870 if (sc->sc_pci_ih != NULL) {
871 printf("%s: using %s for native-PCI interrupt\n",
872 sc->sc_wdcdev.sc_dev.dv_xname,
873 intrstr ? intrstr : "unknown interrupt");
874 } else {
875 printf("%s: couldn't establish native-PCI interrupt",
876 sc->sc_wdcdev.sc_dev.dv_xname);
877 if (intrstr != NULL)
878 printf(" at %s", intrstr);
879 printf("\n");
880 return 0;
881 }
882 }
883 cp->ih = sc->sc_pci_ih;
884 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel),
885 PCI_MAPREG_TYPE_IO, 0,
886 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) {
887 printf("%s: couldn't map %s channel cmd regs\n",
888 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
889 return 0;
890 }
891
892 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel),
893 PCI_MAPREG_TYPE_IO, 0,
894 &wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep) != 0) {
895 printf("%s: couldn't map %s channel ctl regs\n",
896 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
897 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep);
898 return 0;
899 }
900 /*
901 * In native mode, 4 bytes of I/O space are mapped for the control
902 * register, the control register is at offset 2. Pass the generic
903 * code a handle for only one byte at the right offset.
904 */
905 if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1,
906 &wdc_cp->ctl_ioh) != 0) {
907 printf("%s: unable to subregion %s channel ctl regs\n",
908 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
909 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep);
910 bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep);
911 return 0;
912 }
913 return (1);
914 }
915
916 void
917 pciide_mapreg_dma(sc, pa)
918 struct pciide_softc *sc;
919 struct pci_attach_args *pa;
920 {
921 pcireg_t maptype;
922 bus_addr_t addr;
923
924 /*
925 * Map DMA registers
926 *
927 * Note that sc_dma_ok is the right variable to test to see if
928 * DMA can be done. If the interface doesn't support DMA,
929 * sc_dma_ok will never be non-zero. If the DMA regs couldn't
930 * be mapped, it'll be zero. I.e., sc_dma_ok will only be
931 * non-zero if the interface supports DMA and the registers
932 * could be mapped.
933 *
934 * XXX Note that despite the fact that the Bus Master IDE specs
935 * XXX say that "The bus master IDE function uses 16 bytes of IO
936 * XXX space," some controllers (at least the United
937 * XXX Microelectronics UM8886BF) place it in memory space.
938 */
939 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag,
940 PCIIDE_REG_BUS_MASTER_DMA);
941
942 switch (maptype) {
943 case PCI_MAPREG_TYPE_IO:
944 sc->sc_dma_ok = (pci_mapreg_info(pa->pa_pc, pa->pa_tag,
945 PCIIDE_REG_BUS_MASTER_DMA, PCI_MAPREG_TYPE_IO,
946 &addr, NULL, NULL) == 0);
947 if (sc->sc_dma_ok == 0) {
948 printf(", but unused (couldn't query registers)");
949 break;
950 }
951 if ((sc->sc_pp->ide_flags & IDE_16BIT_IOSPACE)
952 && addr >= 0x10000) {
953 sc->sc_dma_ok = 0;
954 printf(", but unused (registers at unsafe address "
955 "%#lx)", (unsigned long)addr);
956 break;
957 }
958 /* FALLTHROUGH */
959
960 case PCI_MAPREG_MEM_TYPE_32BIT:
961 sc->sc_dma_ok = (pci_mapreg_map(pa,
962 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0,
963 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0);
964 sc->sc_dmat = pa->pa_dmat;
965 if (sc->sc_dma_ok == 0) {
966 printf(", but unused (couldn't map registers)");
967 } else {
968 sc->sc_wdcdev.dma_arg = sc;
969 sc->sc_wdcdev.dma_init = pciide_dma_init;
970 sc->sc_wdcdev.dma_start = pciide_dma_start;
971 sc->sc_wdcdev.dma_finish = pciide_dma_finish;
972 }
973
974 if (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags &
975 PCIIDE_OPTIONS_NODMA) {
976 printf(", but unused (forced off by config file)");
977 sc->sc_dma_ok = 0;
978 }
979 break;
980
981 default:
982 sc->sc_dma_ok = 0;
983 printf(", but unsupported register maptype (0x%x)", maptype);
984 }
985 }
986
987 int
988 pciide_compat_intr(arg)
989 void *arg;
990 {
991 struct pciide_channel *cp = arg;
992
993 #ifdef DIAGNOSTIC
994 /* should only be called for a compat channel */
995 if (cp->compat == 0)
996 panic("pciide compat intr called for non-compat chan %p", cp);
997 #endif
998 return (wdcintr(&cp->wdc_channel));
999 }
1000
1001 int
1002 pciide_pci_intr(arg)
1003 void *arg;
1004 {
1005 struct pciide_softc *sc = arg;
1006 struct pciide_channel *cp;
1007 struct channel_softc *wdc_cp;
1008 int i, rv, crv;
1009
1010 rv = 0;
1011 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
1012 cp = &sc->pciide_channels[i];
1013 wdc_cp = &cp->wdc_channel;
1014
1015 /* If a compat channel skip. */
1016 if (cp->compat)
1017 continue;
1018 /* if this channel not waiting for intr, skip */
1019 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0)
1020 continue;
1021
1022 crv = wdcintr(wdc_cp);
1023 if (crv == 0)
1024 ; /* leave rv alone */
1025 else if (crv == 1)
1026 rv = 1; /* claim the intr */
1027 else if (rv == 0) /* crv should be -1 in this case */
1028 rv = crv; /* if we've done no better, take it */
1029 }
1030 return (rv);
1031 }
1032
1033 void
1034 pciide_channel_dma_setup(cp)
1035 struct pciide_channel *cp;
1036 {
1037 int drive;
1038 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
1039 struct ata_drive_datas *drvp;
1040
1041 for (drive = 0; drive < 2; drive++) {
1042 drvp = &cp->wdc_channel.ch_drive[drive];
1043 /* If no drive, skip */
1044 if ((drvp->drive_flags & DRIVE) == 0)
1045 continue;
1046 /* setup DMA if needed */
1047 if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
1048 (drvp->drive_flags & DRIVE_UDMA) == 0) ||
1049 sc->sc_dma_ok == 0) {
1050 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA);
1051 continue;
1052 }
1053 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive)
1054 != 0) {
1055 /* Abort DMA setup */
1056 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA);
1057 continue;
1058 }
1059 }
1060 }
1061
1062 int
1063 pciide_dma_table_setup(sc, channel, drive)
1064 struct pciide_softc *sc;
1065 int channel, drive;
1066 {
1067 bus_dma_segment_t seg;
1068 int error, rseg;
1069 const bus_size_t dma_table_size =
1070 sizeof(struct idedma_table) * NIDEDMA_TABLES;
1071 struct pciide_dma_maps *dma_maps =
1072 &sc->pciide_channels[channel].dma_maps[drive];
1073
1074 /* If table was already allocated, just return */
1075 if (dma_maps->dma_table)
1076 return 0;
1077
1078 /* Allocate memory for the DMA tables and map it */
1079 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size,
1080 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg,
1081 BUS_DMA_NOWAIT)) != 0) {
1082 printf("%s:%d: unable to allocate table DMA for "
1083 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
1084 channel, drive, error);
1085 return error;
1086 }
1087 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg,
1088 dma_table_size,
1089 (caddr_t *)&dma_maps->dma_table,
1090 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) {
1091 printf("%s:%d: unable to map table DMA for"
1092 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
1093 channel, drive, error);
1094 return error;
1095 }
1096 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %lu, "
1097 "phy 0x%lx\n", dma_maps->dma_table, (u_long)dma_table_size,
1098 (unsigned long)seg.ds_addr), DEBUG_PROBE);
1099
1100 /* Create and load table DMA map for this disk */
1101 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size,
1102 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT,
1103 &dma_maps->dmamap_table)) != 0) {
1104 printf("%s:%d: unable to create table DMA map for "
1105 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
1106 channel, drive, error);
1107 return error;
1108 }
1109 if ((error = bus_dmamap_load(sc->sc_dmat,
1110 dma_maps->dmamap_table,
1111 dma_maps->dma_table,
1112 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) {
1113 printf("%s:%d: unable to load table DMA map for "
1114 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
1115 channel, drive, error);
1116 return error;
1117 }
1118 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n",
1119 (unsigned long)dma_maps->dmamap_table->dm_segs[0].ds_addr),
1120 DEBUG_PROBE);
1121 /* Create a xfer DMA map for this drive */
1122 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX,
1123 NIDEDMA_TABLES, IDEDMA_BYTE_COUNT_MAX, IDEDMA_BYTE_COUNT_ALIGN,
1124 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW,
1125 &dma_maps->dmamap_xfer)) != 0) {
1126 printf("%s:%d: unable to create xfer DMA map for "
1127 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
1128 channel, drive, error);
1129 return error;
1130 }
1131 return 0;
1132 }
1133
1134 int
1135 pciide_dma_init(v, channel, drive, databuf, datalen, flags)
1136 void *v;
1137 int channel, drive;
1138 void *databuf;
1139 size_t datalen;
1140 int flags;
1141 {
1142 struct pciide_softc *sc = v;
1143 int error, seg;
1144 struct pciide_dma_maps *dma_maps =
1145 &sc->pciide_channels[channel].dma_maps[drive];
1146
1147 error = bus_dmamap_load(sc->sc_dmat,
1148 dma_maps->dmamap_xfer,
1149 databuf, datalen, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING |
1150 ((flags & WDC_DMA_READ) ? BUS_DMA_READ : BUS_DMA_WRITE));
1151 if (error) {
1152 printf("%s:%d: unable to load xfer DMA map for"
1153 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
1154 channel, drive, error);
1155 return error;
1156 }
1157
1158 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0,
1159 dma_maps->dmamap_xfer->dm_mapsize,
1160 (flags & WDC_DMA_READ) ?
1161 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
1162
1163 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) {
1164 #ifdef DIAGNOSTIC
1165 /* A segment must not cross a 64k boundary */
1166 {
1167 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr;
1168 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len;
1169 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) !=
1170 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) {
1171 printf("pciide_dma: segment %d physical addr 0x%lx"
1172 " len 0x%lx not properly aligned\n",
1173 seg, phys, len);
1174 panic("pciide_dma: buf align");
1175 }
1176 }
1177 #endif
1178 dma_maps->dma_table[seg].base_addr =
1179 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr);
1180 dma_maps->dma_table[seg].byte_count =
1181 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len &
1182 IDEDMA_BYTE_COUNT_MASK);
1183 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n",
1184 seg, le32toh(dma_maps->dma_table[seg].byte_count),
1185 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA);
1186
1187 }
1188 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |=
1189 htole32(IDEDMA_BYTE_COUNT_EOT);
1190
1191 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0,
1192 dma_maps->dmamap_table->dm_mapsize,
1193 BUS_DMASYNC_PREWRITE);
1194
1195 /* Maps are ready. Start DMA function */
1196 #ifdef DIAGNOSTIC
1197 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) {
1198 printf("pciide_dma_init: addr 0x%lx not properly aligned\n",
1199 (u_long)dma_maps->dmamap_table->dm_segs[0].ds_addr);
1200 panic("pciide_dma_init: table align");
1201 }
1202 #endif
1203
1204 /* Clear status bits */
1205 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1206 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel,
1207 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1208 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel));
1209 /* Write table addr */
1210 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
1211 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel,
1212 dma_maps->dmamap_table->dm_segs[0].ds_addr);
1213 /* set read/write */
1214 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1215 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel,
1216 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0);
1217 /* remember flags */
1218 dma_maps->dma_flags = flags;
1219 return 0;
1220 }
1221
1222 void
1223 pciide_dma_start(v, channel, drive)
1224 void *v;
1225 int channel, drive;
1226 {
1227 struct pciide_softc *sc = v;
1228
1229 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS);
1230 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1231 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel,
1232 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1233 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START);
1234 }
1235
1236 int
1237 pciide_dma_finish(v, channel, drive, force)
1238 void *v;
1239 int channel, drive;
1240 int force;
1241 {
1242 struct pciide_softc *sc = v;
1243 u_int8_t status;
1244 int error = 0;
1245 struct pciide_dma_maps *dma_maps =
1246 &sc->pciide_channels[channel].dma_maps[drive];
1247
1248 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1249 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel);
1250 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status),
1251 DEBUG_XFERS);
1252
1253 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0)
1254 return WDC_DMAST_NOIRQ;
1255
1256 /* stop DMA channel */
1257 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1258 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel,
1259 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1260 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START);
1261
1262 /* Unload the map of the data buffer */
1263 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0,
1264 dma_maps->dmamap_xfer->dm_mapsize,
1265 (dma_maps->dma_flags & WDC_DMA_READ) ?
1266 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1267 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer);
1268
1269 if ((status & IDEDMA_CTL_ERR) != 0) {
1270 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n",
1271 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status);
1272 error |= WDC_DMAST_ERR;
1273 }
1274
1275 if ((status & IDEDMA_CTL_INTR) == 0) {
1276 printf("%s:%d:%d: bus-master DMA error: missing interrupt, "
1277 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel,
1278 drive, status);
1279 error |= WDC_DMAST_NOIRQ;
1280 }
1281
1282 if ((status & IDEDMA_CTL_ACT) != 0) {
1283 /* data underrun, may be a valid condition for ATAPI */
1284 error |= WDC_DMAST_UNDER;
1285 }
1286 return error;
1287 }
1288
1289 void
1290 pciide_irqack(chp)
1291 struct channel_softc *chp;
1292 {
1293 struct pciide_channel *cp = (struct pciide_channel*)chp;
1294 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
1295
1296 /* clear status bits in IDE DMA registers */
1297 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1298 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel,
1299 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1300 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel));
1301 }
1302
1303 /* some common code used by several chip_map */
1304 int
1305 pciide_chansetup(sc, channel, interface)
1306 struct pciide_softc *sc;
1307 int channel;
1308 pcireg_t interface;
1309 {
1310 struct pciide_channel *cp = &sc->pciide_channels[channel];
1311 sc->wdc_chanarray[channel] = &cp->wdc_channel;
1312 cp->name = PCIIDE_CHANNEL_NAME(channel);
1313 cp->wdc_channel.channel = channel;
1314 cp->wdc_channel.wdc = &sc->sc_wdcdev;
1315 cp->wdc_channel.ch_queue =
1316 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
1317 if (cp->wdc_channel.ch_queue == NULL) {
1318 printf("%s %s channel: "
1319 "can't allocate memory for command queue",
1320 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
1321 return 0;
1322 }
1323 printf("%s: %s channel %s to %s mode\n",
1324 sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
1325 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ?
1326 "configured" : "wired",
1327 (interface & PCIIDE_INTERFACE_PCI(channel)) ?
1328 "native-PCI" : "compatibility");
1329 return 1;
1330 }
1331
1332 /* some common code used by several chip channel_map */
1333 void
1334 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr)
1335 struct pci_attach_args *pa;
1336 struct pciide_channel *cp;
1337 pcireg_t interface;
1338 bus_size_t *cmdsizep, *ctlsizep;
1339 int (*pci_intr) __P((void *));
1340 {
1341 struct channel_softc *wdc_cp = &cp->wdc_channel;
1342
1343 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel))
1344 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep,
1345 pci_intr);
1346 else
1347 cp->hw_ok = pciide_mapregs_compat(pa, cp,
1348 wdc_cp->channel, cmdsizep, ctlsizep);
1349
1350 if (cp->hw_ok == 0)
1351 return;
1352 wdc_cp->data32iot = wdc_cp->cmd_iot;
1353 wdc_cp->data32ioh = wdc_cp->cmd_ioh;
1354 wdcattach(wdc_cp);
1355 }
1356
1357 /*
1358 * Generic code to call to know if a channel can be disabled. Return 1
1359 * if channel can be disabled, 0 if not
1360 */
1361 int
1362 pciide_chan_candisable(cp)
1363 struct pciide_channel *cp;
1364 {
1365 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
1366 struct channel_softc *wdc_cp = &cp->wdc_channel;
1367
1368 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 &&
1369 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) {
1370 printf("%s: disabling %s channel (no drives)\n",
1371 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
1372 cp->hw_ok = 0;
1373 return 1;
1374 }
1375 return 0;
1376 }
1377
1378 /*
1379 * generic code to map the compat intr if hw_ok=1 and it is a compat channel.
1380 * Set hw_ok=0 on failure
1381 */
1382 void
1383 pciide_map_compat_intr(pa, cp, compatchan, interface)
1384 struct pci_attach_args *pa;
1385 struct pciide_channel *cp;
1386 int compatchan, interface;
1387 {
1388 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
1389 struct channel_softc *wdc_cp = &cp->wdc_channel;
1390
1391 if (cp->hw_ok == 0)
1392 return;
1393 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0)
1394 return;
1395
1396 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
1397 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev,
1398 pa, compatchan, pciide_compat_intr, cp);
1399 if (cp->ih == NULL) {
1400 #endif
1401 printf("%s: no compatibility interrupt for use by %s "
1402 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
1403 cp->hw_ok = 0;
1404 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
1405 }
1406 #endif
1407 }
1408
1409 void
1410 pciide_print_modes(cp)
1411 struct pciide_channel *cp;
1412 {
1413 wdc_print_modes(&cp->wdc_channel);
1414 }
1415
1416 void
1417 default_chip_map(sc, pa)
1418 struct pciide_softc *sc;
1419 struct pci_attach_args *pa;
1420 {
1421 struct pciide_channel *cp;
1422 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
1423 pcireg_t csr;
1424 int channel, drive;
1425 struct ata_drive_datas *drvp;
1426 u_int8_t idedma_ctl;
1427 bus_size_t cmdsize, ctlsize;
1428 char *failreason;
1429
1430 if (pciide_chipen(sc, pa) == 0)
1431 return;
1432
1433 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) {
1434 printf("%s: bus-master DMA support present",
1435 sc->sc_wdcdev.sc_dev.dv_xname);
1436 if (sc->sc_pp == &default_product_desc &&
1437 (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags &
1438 PCIIDE_OPTIONS_DMA) == 0) {
1439 printf(", but unused (no driver support)");
1440 sc->sc_dma_ok = 0;
1441 } else {
1442 pciide_mapreg_dma(sc, pa);
1443 if (sc->sc_dma_ok != 0)
1444 printf(", used without full driver "
1445 "support");
1446 }
1447 } else {
1448 printf("%s: hardware does not support DMA",
1449 sc->sc_wdcdev.sc_dev.dv_xname);
1450 sc->sc_dma_ok = 0;
1451 }
1452 printf("\n");
1453 if (sc->sc_dma_ok) {
1454 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
1455 sc->sc_wdcdev.irqack = pciide_irqack;
1456 }
1457 sc->sc_wdcdev.PIO_cap = 0;
1458 sc->sc_wdcdev.DMA_cap = 0;
1459
1460 sc->sc_wdcdev.channels = sc->wdc_chanarray;
1461 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
1462 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16;
1463
1464 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
1465 cp = &sc->pciide_channels[channel];
1466 if (pciide_chansetup(sc, channel, interface) == 0)
1467 continue;
1468 if (interface & PCIIDE_INTERFACE_PCI(channel)) {
1469 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize,
1470 &ctlsize, pciide_pci_intr);
1471 } else {
1472 cp->hw_ok = pciide_mapregs_compat(pa, cp,
1473 channel, &cmdsize, &ctlsize);
1474 }
1475 if (cp->hw_ok == 0)
1476 continue;
1477 /*
1478 * Check to see if something appears to be there.
1479 */
1480 failreason = NULL;
1481 if (!wdcprobe(&cp->wdc_channel)) {
1482 failreason = "not responding; disabled or no drives?";
1483 goto next;
1484 }
1485 /*
1486 * Now, make sure it's actually attributable to this PCI IDE
1487 * channel by trying to access the channel again while the
1488 * PCI IDE controller's I/O space is disabled. (If the
1489 * channel no longer appears to be there, it belongs to
1490 * this controller.) YUCK!
1491 */
1492 csr = pci_conf_read(sc->sc_pc, sc->sc_tag,
1493 PCI_COMMAND_STATUS_REG);
1494 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG,
1495 csr & ~PCI_COMMAND_IO_ENABLE);
1496 if (wdcprobe(&cp->wdc_channel))
1497 failreason = "other hardware responding at addresses";
1498 pci_conf_write(sc->sc_pc, sc->sc_tag,
1499 PCI_COMMAND_STATUS_REG, csr);
1500 next:
1501 if (failreason) {
1502 printf("%s: %s channel ignored (%s)\n",
1503 sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
1504 failreason);
1505 cp->hw_ok = 0;
1506 bus_space_unmap(cp->wdc_channel.cmd_iot,
1507 cp->wdc_channel.cmd_ioh, cmdsize);
1508 if (interface & PCIIDE_INTERFACE_PCI(channel))
1509 bus_space_unmap(cp->wdc_channel.ctl_iot,
1510 cp->ctl_baseioh, ctlsize);
1511 else
1512 bus_space_unmap(cp->wdc_channel.ctl_iot,
1513 cp->wdc_channel.ctl_ioh, ctlsize);
1514 } else {
1515 pciide_map_compat_intr(pa, cp, channel, interface);
1516 }
1517 if (cp->hw_ok) {
1518 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot;
1519 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh;
1520 wdcattach(&cp->wdc_channel);
1521 }
1522 }
1523
1524 if (sc->sc_dma_ok == 0)
1525 return;
1526
1527 /* Allocate DMA maps */
1528 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
1529 idedma_ctl = 0;
1530 cp = &sc->pciide_channels[channel];
1531 for (drive = 0; drive < 2; drive++) {
1532 drvp = &cp->wdc_channel.ch_drive[drive];
1533 /* If no drive, skip */
1534 if ((drvp->drive_flags & DRIVE) == 0)
1535 continue;
1536 if ((drvp->drive_flags & DRIVE_DMA) == 0)
1537 continue;
1538 if (pciide_dma_table_setup(sc, channel, drive) != 0) {
1539 /* Abort DMA setup */
1540 printf("%s:%d:%d: can't allocate DMA maps, "
1541 "using PIO transfers\n",
1542 sc->sc_wdcdev.sc_dev.dv_xname,
1543 channel, drive);
1544 drvp->drive_flags &= ~DRIVE_DMA;
1545 }
1546 printf("%s:%d:%d: using DMA data transfers\n",
1547 sc->sc_wdcdev.sc_dev.dv_xname,
1548 channel, drive);
1549 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
1550 }
1551 if (idedma_ctl != 0) {
1552 /* Add software bits in status register */
1553 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1554 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel),
1555 idedma_ctl);
1556 }
1557 }
1558 }
1559
1560 void
1561 piix_chip_map(sc, pa)
1562 struct pciide_softc *sc;
1563 struct pci_attach_args *pa;
1564 {
1565 struct pciide_channel *cp;
1566 int channel;
1567 u_int32_t idetim;
1568 bus_size_t cmdsize, ctlsize;
1569
1570 if (pciide_chipen(sc, pa) == 0)
1571 return;
1572
1573 printf("%s: bus-master DMA support present",
1574 sc->sc_wdcdev.sc_dev.dv_xname);
1575 pciide_mapreg_dma(sc, pa);
1576 printf("\n");
1577 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
1578 WDC_CAPABILITY_MODE;
1579 if (sc->sc_dma_ok) {
1580 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
1581 sc->sc_wdcdev.irqack = pciide_irqack;
1582 switch(sc->sc_pp->ide_product) {
1583 case PCI_PRODUCT_INTEL_82371AB_IDE:
1584 case PCI_PRODUCT_INTEL_82440MX_IDE:
1585 case PCI_PRODUCT_INTEL_82801AA_IDE:
1586 case PCI_PRODUCT_INTEL_82801AB_IDE:
1587 case PCI_PRODUCT_INTEL_82801BA_IDE:
1588 case PCI_PRODUCT_INTEL_82801BAM_IDE:
1589 case PCI_PRODUCT_INTEL_82801CA_IDE_1:
1590 case PCI_PRODUCT_INTEL_82801CA_IDE_2:
1591 case PCI_PRODUCT_INTEL_82801DB_IDE:
1592 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
1593 }
1594 }
1595 sc->sc_wdcdev.PIO_cap = 4;
1596 sc->sc_wdcdev.DMA_cap = 2;
1597 switch(sc->sc_pp->ide_product) {
1598 case PCI_PRODUCT_INTEL_82801AA_IDE:
1599 sc->sc_wdcdev.UDMA_cap = 4;
1600 break;
1601 case PCI_PRODUCT_INTEL_82801BA_IDE:
1602 case PCI_PRODUCT_INTEL_82801BAM_IDE:
1603 case PCI_PRODUCT_INTEL_82801CA_IDE_1:
1604 case PCI_PRODUCT_INTEL_82801CA_IDE_2:
1605 case PCI_PRODUCT_INTEL_82801DB_IDE:
1606 sc->sc_wdcdev.UDMA_cap = 5;
1607 break;
1608 default:
1609 sc->sc_wdcdev.UDMA_cap = 2;
1610 }
1611 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE)
1612 sc->sc_wdcdev.set_modes = piix_setup_channel;
1613 else
1614 sc->sc_wdcdev.set_modes = piix3_4_setup_channel;
1615 sc->sc_wdcdev.channels = sc->wdc_chanarray;
1616 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
1617
1618 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x",
1619 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)),
1620 DEBUG_PROBE);
1621 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) {
1622 WDCDEBUG_PRINT((", sidetim=0x%x",
1623 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)),
1624 DEBUG_PROBE);
1625 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) {
1626 WDCDEBUG_PRINT((", udamreg 0x%x",
1627 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)),
1628 DEBUG_PROBE);
1629 }
1630 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
1631 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE ||
1632 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
1633 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
1634 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 ||
1635 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 ||
1636 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE) {
1637 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x",
1638 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)),
1639 DEBUG_PROBE);
1640 }
1641
1642 }
1643 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE);
1644
1645 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
1646 cp = &sc->pciide_channels[channel];
1647 /* PIIX is compat-only */
1648 if (pciide_chansetup(sc, channel, 0) == 0)
1649 continue;
1650 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
1651 if ((PIIX_IDETIM_READ(idetim, channel) &
1652 PIIX_IDETIM_IDE) == 0) {
1653 printf("%s: %s channel ignored (disabled)\n",
1654 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
1655 continue;
1656 }
1657 /* PIIX are compat-only pciide devices */
1658 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr);
1659 if (cp->hw_ok == 0)
1660 continue;
1661 if (pciide_chan_candisable(cp)) {
1662 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE,
1663 channel);
1664 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM,
1665 idetim);
1666 }
1667 pciide_map_compat_intr(pa, cp, channel, 0);
1668 if (cp->hw_ok == 0)
1669 continue;
1670 sc->sc_wdcdev.set_modes(&cp->wdc_channel);
1671 }
1672
1673 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x",
1674 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)),
1675 DEBUG_PROBE);
1676 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) {
1677 WDCDEBUG_PRINT((", sidetim=0x%x",
1678 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)),
1679 DEBUG_PROBE);
1680 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) {
1681 WDCDEBUG_PRINT((", udamreg 0x%x",
1682 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)),
1683 DEBUG_PROBE);
1684 }
1685 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
1686 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE ||
1687 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
1688 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
1689 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 ||
1690 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 ||
1691 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE) {
1692 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x",
1693 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)),
1694 DEBUG_PROBE);
1695 }
1696 }
1697 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE);
1698 }
1699
1700 void
1701 piix_setup_channel(chp)
1702 struct channel_softc *chp;
1703 {
1704 u_int8_t mode[2], drive;
1705 u_int32_t oidetim, idetim, idedma_ctl;
1706 struct pciide_channel *cp = (struct pciide_channel*)chp;
1707 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
1708 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive;
1709
1710 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
1711 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel);
1712 idedma_ctl = 0;
1713
1714 /* set up new idetim: Enable IDE registers decode */
1715 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE,
1716 chp->channel);
1717
1718 /* setup DMA */
1719 pciide_channel_dma_setup(cp);
1720
1721 /*
1722 * Here we have to mess up with drives mode: PIIX can't have
1723 * different timings for master and slave drives.
1724 * We need to find the best combination.
1725 */
1726
1727 /* If both drives supports DMA, take the lower mode */
1728 if ((drvp[0].drive_flags & DRIVE_DMA) &&
1729 (drvp[1].drive_flags & DRIVE_DMA)) {
1730 mode[0] = mode[1] =
1731 min(drvp[0].DMA_mode, drvp[1].DMA_mode);
1732 drvp[0].DMA_mode = mode[0];
1733 drvp[1].DMA_mode = mode[1];
1734 goto ok;
1735 }
1736 /*
1737 * If only one drive supports DMA, use its mode, and
1738 * put the other one in PIO mode 0 if mode not compatible
1739 */
1740 if (drvp[0].drive_flags & DRIVE_DMA) {
1741 mode[0] = drvp[0].DMA_mode;
1742 mode[1] = drvp[1].PIO_mode;
1743 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] ||
1744 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]])
1745 mode[1] = drvp[1].PIO_mode = 0;
1746 goto ok;
1747 }
1748 if (drvp[1].drive_flags & DRIVE_DMA) {
1749 mode[1] = drvp[1].DMA_mode;
1750 mode[0] = drvp[0].PIO_mode;
1751 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] ||
1752 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]])
1753 mode[0] = drvp[0].PIO_mode = 0;
1754 goto ok;
1755 }
1756 /*
1757 * If both drives are not DMA, takes the lower mode, unless
1758 * one of them is PIO mode < 2
1759 */
1760 if (drvp[0].PIO_mode < 2) {
1761 mode[0] = drvp[0].PIO_mode = 0;
1762 mode[1] = drvp[1].PIO_mode;
1763 } else if (drvp[1].PIO_mode < 2) {
1764 mode[1] = drvp[1].PIO_mode = 0;
1765 mode[0] = drvp[0].PIO_mode;
1766 } else {
1767 mode[0] = mode[1] =
1768 min(drvp[1].PIO_mode, drvp[0].PIO_mode);
1769 drvp[0].PIO_mode = mode[0];
1770 drvp[1].PIO_mode = mode[1];
1771 }
1772 ok: /* The modes are setup */
1773 for (drive = 0; drive < 2; drive++) {
1774 if (drvp[drive].drive_flags & DRIVE_DMA) {
1775 idetim |= piix_setup_idetim_timings(
1776 mode[drive], 1, chp->channel);
1777 goto end;
1778 }
1779 }
1780 /* If we are there, none of the drives are DMA */
1781 if (mode[0] >= 2)
1782 idetim |= piix_setup_idetim_timings(
1783 mode[0], 0, chp->channel);
1784 else
1785 idetim |= piix_setup_idetim_timings(
1786 mode[1], 0, chp->channel);
1787 end: /*
1788 * timing mode is now set up in the controller. Enable
1789 * it per-drive
1790 */
1791 for (drive = 0; drive < 2; drive++) {
1792 /* If no drive, skip */
1793 if ((drvp[drive].drive_flags & DRIVE) == 0)
1794 continue;
1795 idetim |= piix_setup_idetim_drvs(&drvp[drive]);
1796 if (drvp[drive].drive_flags & DRIVE_DMA)
1797 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
1798 }
1799 if (idedma_ctl != 0) {
1800 /* Add software bits in status register */
1801 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1802 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
1803 idedma_ctl);
1804 }
1805 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
1806 pciide_print_modes(cp);
1807 }
1808
1809 void
1810 piix3_4_setup_channel(chp)
1811 struct channel_softc *chp;
1812 {
1813 struct ata_drive_datas *drvp;
1814 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl;
1815 struct pciide_channel *cp = (struct pciide_channel*)chp;
1816 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
1817 int drive;
1818 int channel = chp->channel;
1819
1820 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
1821 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM);
1822 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG);
1823 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG);
1824 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel);
1825 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) |
1826 PIIX_SIDETIM_RTC_MASK(channel));
1827
1828 idedma_ctl = 0;
1829 /* If channel disabled, no need to go further */
1830 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0)
1831 return;
1832 /* set up new idetim: Enable IDE registers decode */
1833 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel);
1834
1835 /* setup DMA if needed */
1836 pciide_channel_dma_setup(cp);
1837
1838 for (drive = 0; drive < 2; drive++) {
1839 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) |
1840 PIIX_UDMATIM_SET(0x3, channel, drive));
1841 drvp = &chp->ch_drive[drive];
1842 /* If no drive, skip */
1843 if ((drvp->drive_flags & DRIVE) == 0)
1844 continue;
1845 if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
1846 (drvp->drive_flags & DRIVE_UDMA) == 0))
1847 goto pio;
1848
1849 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
1850 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE ||
1851 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
1852 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
1853 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 ||
1854 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 ||
1855 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE) {
1856 ideconf |= PIIX_CONFIG_PINGPONG;
1857 }
1858 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
1859 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
1860 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 ||
1861 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 ||
1862 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE) {
1863 /* setup Ultra/100 */
1864 if (drvp->UDMA_mode > 2 &&
1865 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0)
1866 drvp->UDMA_mode = 2;
1867 if (drvp->UDMA_mode > 4) {
1868 ideconf |= PIIX_CONFIG_UDMA100(channel, drive);
1869 } else {
1870 ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive);
1871 if (drvp->UDMA_mode > 2) {
1872 ideconf |= PIIX_CONFIG_UDMA66(channel,
1873 drive);
1874 } else {
1875 ideconf &= ~PIIX_CONFIG_UDMA66(channel,
1876 drive);
1877 }
1878 }
1879 }
1880 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) {
1881 /* setup Ultra/66 */
1882 if (drvp->UDMA_mode > 2 &&
1883 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0)
1884 drvp->UDMA_mode = 2;
1885 if (drvp->UDMA_mode > 2)
1886 ideconf |= PIIX_CONFIG_UDMA66(channel, drive);
1887 else
1888 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive);
1889 }
1890 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
1891 (drvp->drive_flags & DRIVE_UDMA)) {
1892 /* use Ultra/DMA */
1893 drvp->drive_flags &= ~DRIVE_DMA;
1894 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive);
1895 udmareg |= PIIX_UDMATIM_SET(
1896 piix4_sct_udma[drvp->UDMA_mode], channel, drive);
1897 } else {
1898 /* use Multiword DMA */
1899 drvp->drive_flags &= ~DRIVE_UDMA;
1900 if (drive == 0) {
1901 idetim |= piix_setup_idetim_timings(
1902 drvp->DMA_mode, 1, channel);
1903 } else {
1904 sidetim |= piix_setup_sidetim_timings(
1905 drvp->DMA_mode, 1, channel);
1906 idetim =PIIX_IDETIM_SET(idetim,
1907 PIIX_IDETIM_SITRE, channel);
1908 }
1909 }
1910 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
1911
1912 pio: /* use PIO mode */
1913 idetim |= piix_setup_idetim_drvs(drvp);
1914 if (drive == 0) {
1915 idetim |= piix_setup_idetim_timings(
1916 drvp->PIO_mode, 0, channel);
1917 } else {
1918 sidetim |= piix_setup_sidetim_timings(
1919 drvp->PIO_mode, 0, channel);
1920 idetim =PIIX_IDETIM_SET(idetim,
1921 PIIX_IDETIM_SITRE, channel);
1922 }
1923 }
1924 if (idedma_ctl != 0) {
1925 /* Add software bits in status register */
1926 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
1927 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel),
1928 idedma_ctl);
1929 }
1930 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
1931 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim);
1932 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg);
1933 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf);
1934 pciide_print_modes(cp);
1935 }
1936
1937
1938 /* setup ISP and RTC fields, based on mode */
1939 static u_int32_t
1940 piix_setup_idetim_timings(mode, dma, channel)
1941 u_int8_t mode;
1942 u_int8_t dma;
1943 u_int8_t channel;
1944 {
1945
1946 if (dma)
1947 return PIIX_IDETIM_SET(0,
1948 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) |
1949 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]),
1950 channel);
1951 else
1952 return PIIX_IDETIM_SET(0,
1953 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) |
1954 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]),
1955 channel);
1956 }
1957
1958 /* setup DTE, PPE, IE and TIME field based on PIO mode */
1959 static u_int32_t
1960 piix_setup_idetim_drvs(drvp)
1961 struct ata_drive_datas *drvp;
1962 {
1963 u_int32_t ret = 0;
1964 struct channel_softc *chp = drvp->chnl_softc;
1965 u_int8_t channel = chp->channel;
1966 u_int8_t drive = drvp->drive;
1967
1968 /*
1969 * If drive is using UDMA, timings setups are independant
1970 * So just check DMA and PIO here.
1971 */
1972 if (drvp->drive_flags & DRIVE_DMA) {
1973 /* if mode = DMA mode 0, use compatible timings */
1974 if ((drvp->drive_flags & DRIVE_DMA) &&
1975 drvp->DMA_mode == 0) {
1976 drvp->PIO_mode = 0;
1977 return ret;
1978 }
1979 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel);
1980 /*
1981 * PIO and DMA timings are the same, use fast timings for PIO
1982 * too, else use compat timings.
1983 */
1984 if ((piix_isp_pio[drvp->PIO_mode] !=
1985 piix_isp_dma[drvp->DMA_mode]) ||
1986 (piix_rtc_pio[drvp->PIO_mode] !=
1987 piix_rtc_dma[drvp->DMA_mode]))
1988 drvp->PIO_mode = 0;
1989 /* if PIO mode <= 2, use compat timings for PIO */
1990 if (drvp->PIO_mode <= 2) {
1991 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive),
1992 channel);
1993 return ret;
1994 }
1995 }
1996
1997 /*
1998 * Now setup PIO modes. If mode < 2, use compat timings.
1999 * Else enable fast timings. Enable IORDY and prefetch/post
2000 * if PIO mode >= 3.
2001 */
2002
2003 if (drvp->PIO_mode < 2)
2004 return ret;
2005
2006 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel);
2007 if (drvp->PIO_mode >= 3) {
2008 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel);
2009 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel);
2010 }
2011 return ret;
2012 }
2013
2014 /* setup values in SIDETIM registers, based on mode */
2015 static u_int32_t
2016 piix_setup_sidetim_timings(mode, dma, channel)
2017 u_int8_t mode;
2018 u_int8_t dma;
2019 u_int8_t channel;
2020 {
2021 if (dma)
2022 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) |
2023 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel);
2024 else
2025 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) |
2026 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel);
2027 }
2028
2029 void
2030 amd7x6_chip_map(sc, pa)
2031 struct pciide_softc *sc;
2032 struct pci_attach_args *pa;
2033 {
2034 struct pciide_channel *cp;
2035 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
2036 int channel;
2037 pcireg_t chanenable;
2038 bus_size_t cmdsize, ctlsize;
2039
2040 if (pciide_chipen(sc, pa) == 0)
2041 return;
2042 printf("%s: bus-master DMA support present",
2043 sc->sc_wdcdev.sc_dev.dv_xname);
2044 pciide_mapreg_dma(sc, pa);
2045 printf("\n");
2046 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
2047 WDC_CAPABILITY_MODE;
2048 if (sc->sc_dma_ok) {
2049 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
2050 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
2051 sc->sc_wdcdev.irqack = pciide_irqack;
2052 }
2053 sc->sc_wdcdev.PIO_cap = 4;
2054 sc->sc_wdcdev.DMA_cap = 2;
2055
2056 switch (sc->sc_pci_vendor) {
2057 case PCI_VENDOR_AMD:
2058 switch (sc->sc_pp->ide_product) {
2059 case PCI_PRODUCT_AMD_PBC766_IDE:
2060 case PCI_PRODUCT_AMD_PBC768_IDE:
2061 case PCI_PRODUCT_AMD_PBC8111_IDE:
2062 sc->sc_wdcdev.UDMA_cap = 5;
2063 break;
2064 default:
2065 sc->sc_wdcdev.UDMA_cap = 4;
2066 }
2067 sc->sc_amd_regbase = AMD7X6_AMD_REGBASE;
2068 break;
2069
2070 case PCI_VENDOR_NVIDIA:
2071 switch (sc->sc_pp->ide_product) {
2072 case PCI_PRODUCT_NVIDIA_NFORCE_ATA100:
2073 sc->sc_wdcdev.UDMA_cap = 5;
2074 break;
2075 case PCI_PRODUCT_NVIDIA_NFORCE2_ATA133:
2076 sc->sc_wdcdev.UDMA_cap = 6;
2077 break;
2078 }
2079 sc->sc_amd_regbase = AMD7X6_NVIDIA_REGBASE;
2080 break;
2081
2082 default:
2083 panic("amd7x6_chip_map: unknown vendor");
2084 }
2085 sc->sc_wdcdev.set_modes = amd7x6_setup_channel;
2086 sc->sc_wdcdev.channels = sc->wdc_chanarray;
2087 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
2088 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag,
2089 AMD7X6_CHANSTATUS_EN(sc));
2090
2091 WDCDEBUG_PRINT(("amd7x6_chip_map: Channel enable=0x%x\n", chanenable),
2092 DEBUG_PROBE);
2093 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
2094 cp = &sc->pciide_channels[channel];
2095 if (pciide_chansetup(sc, channel, interface) == 0)
2096 continue;
2097
2098 if ((chanenable & AMD7X6_CHAN_EN(channel)) == 0) {
2099 printf("%s: %s channel ignored (disabled)\n",
2100 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
2101 continue;
2102 }
2103 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
2104 pciide_pci_intr);
2105
2106 if (pciide_chan_candisable(cp))
2107 chanenable &= ~AMD7X6_CHAN_EN(channel);
2108 pciide_map_compat_intr(pa, cp, channel, interface);
2109 if (cp->hw_ok == 0)
2110 continue;
2111
2112 amd7x6_setup_channel(&cp->wdc_channel);
2113 }
2114 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_CHANSTATUS_EN(sc),
2115 chanenable);
2116 return;
2117 }
2118
2119 void
2120 amd7x6_setup_channel(chp)
2121 struct channel_softc *chp;
2122 {
2123 u_int32_t udmatim_reg, datatim_reg;
2124 u_int8_t idedma_ctl;
2125 int mode, drive;
2126 struct ata_drive_datas *drvp;
2127 struct pciide_channel *cp = (struct pciide_channel*)chp;
2128 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
2129 #ifndef PCIIDE_AMD756_ENABLEDMA
2130 int rev = PCI_REVISION(
2131 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
2132 #endif
2133
2134 idedma_ctl = 0;
2135 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM(sc));
2136 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA(sc));
2137 datatim_reg &= ~AMD7X6_DATATIM_MASK(chp->channel);
2138 udmatim_reg &= ~AMD7X6_UDMA_MASK(chp->channel);
2139
2140 /* setup DMA if needed */
2141 pciide_channel_dma_setup(cp);
2142
2143 for (drive = 0; drive < 2; drive++) {
2144 drvp = &chp->ch_drive[drive];
2145 /* If no drive, skip */
2146 if ((drvp->drive_flags & DRIVE) == 0)
2147 continue;
2148 /* add timing values, setup DMA if needed */
2149 if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
2150 (drvp->drive_flags & DRIVE_UDMA) == 0)) {
2151 mode = drvp->PIO_mode;
2152 goto pio;
2153 }
2154 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
2155 (drvp->drive_flags & DRIVE_UDMA)) {
2156 /* use Ultra/DMA */
2157 drvp->drive_flags &= ~DRIVE_DMA;
2158 udmatim_reg |= AMD7X6_UDMA_EN(chp->channel, drive) |
2159 AMD7X6_UDMA_EN_MTH(chp->channel, drive) |
2160 AMD7X6_UDMA_TIME(chp->channel, drive,
2161 amd7x6_udma_tim[drvp->UDMA_mode]);
2162 /* can use PIO timings, MW DMA unused */
2163 mode = drvp->PIO_mode;
2164 } else {
2165 /* use Multiword DMA, but only if revision is OK */
2166 drvp->drive_flags &= ~DRIVE_UDMA;
2167 #ifndef PCIIDE_AMD756_ENABLEDMA
2168 /*
2169 * The workaround doesn't seem to be necessary
2170 * with all drives, so it can be disabled by
2171 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if
2172 * triggered.
2173 */
2174 if (sc->sc_pci_vendor == PCI_VENDOR_AMD &&
2175 sc->sc_pp->ide_product ==
2176 PCI_PRODUCT_AMD_PBC756_IDE &&
2177 AMD756_CHIPREV_DISABLEDMA(rev)) {
2178 printf("%s:%d:%d: multi-word DMA disabled due "
2179 "to chip revision\n",
2180 sc->sc_wdcdev.sc_dev.dv_xname,
2181 chp->channel, drive);
2182 mode = drvp->PIO_mode;
2183 drvp->drive_flags &= ~DRIVE_DMA;
2184 goto pio;
2185 }
2186 #endif
2187 /* mode = min(pio, dma+2) */
2188 if (drvp->PIO_mode <= (drvp->DMA_mode +2))
2189 mode = drvp->PIO_mode;
2190 else
2191 mode = drvp->DMA_mode + 2;
2192 }
2193 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
2194
2195 pio: /* setup PIO mode */
2196 if (mode <= 2) {
2197 drvp->DMA_mode = 0;
2198 drvp->PIO_mode = 0;
2199 mode = 0;
2200 } else {
2201 drvp->PIO_mode = mode;
2202 drvp->DMA_mode = mode - 2;
2203 }
2204 datatim_reg |=
2205 AMD7X6_DATATIM_PULSE(chp->channel, drive,
2206 amd7x6_pio_set[mode]) |
2207 AMD7X6_DATATIM_RECOV(chp->channel, drive,
2208 amd7x6_pio_rec[mode]);
2209 }
2210 if (idedma_ctl != 0) {
2211 /* Add software bits in status register */
2212 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
2213 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
2214 idedma_ctl);
2215 }
2216 pciide_print_modes(cp);
2217 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM(sc), datatim_reg);
2218 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA(sc), udmatim_reg);
2219 }
2220
2221 void
2222 apollo_chip_map(sc, pa)
2223 struct pciide_softc *sc;
2224 struct pci_attach_args *pa;
2225 {
2226 struct pciide_channel *cp;
2227 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
2228 int channel;
2229 u_int32_t ideconf;
2230 bus_size_t cmdsize, ctlsize;
2231 pcitag_t pcib_tag;
2232 pcireg_t pcib_id, pcib_class;
2233
2234 if (pciide_chipen(sc, pa) == 0)
2235 return;
2236 /* get a PCI tag for the ISA bridge (function 0 of the same device) */
2237 pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0);
2238 /* and read ID and rev of the ISA bridge */
2239 pcib_id = pci_conf_read(sc->sc_pc, pcib_tag, PCI_ID_REG);
2240 pcib_class = pci_conf_read(sc->sc_pc, pcib_tag, PCI_CLASS_REG);
2241 printf(": VIA Technologies ");
2242 switch (PCI_PRODUCT(pcib_id)) {
2243 case PCI_PRODUCT_VIATECH_VT82C586_ISA:
2244 printf("VT82C586 (Apollo VP) ");
2245 if(PCI_REVISION(pcib_class) >= 0x02) {
2246 printf("ATA33 controller\n");
2247 sc->sc_wdcdev.UDMA_cap = 2;
2248 } else {
2249 printf("controller\n");
2250 sc->sc_wdcdev.UDMA_cap = 0;
2251 }
2252 break;
2253 case PCI_PRODUCT_VIATECH_VT82C596A:
2254 printf("VT82C596A (Apollo Pro) ");
2255 if (PCI_REVISION(pcib_class) >= 0x12) {
2256 printf("ATA66 controller\n");
2257 sc->sc_wdcdev.UDMA_cap = 4;
2258 } else {
2259 printf("ATA33 controller\n");
2260 sc->sc_wdcdev.UDMA_cap = 2;
2261 }
2262 break;
2263 case PCI_PRODUCT_VIATECH_VT82C686A_ISA:
2264 printf("VT82C686A (Apollo KX133) ");
2265 if (PCI_REVISION(pcib_class) >= 0x40) {
2266 printf("ATA100 controller\n");
2267 sc->sc_wdcdev.UDMA_cap = 5;
2268 } else {
2269 printf("ATA66 controller\n");
2270 sc->sc_wdcdev.UDMA_cap = 4;
2271 }
2272 break;
2273 case PCI_PRODUCT_VIATECH_VT8231:
2274 printf("VT8231 ATA100 controller\n");
2275 sc->sc_wdcdev.UDMA_cap = 5;
2276 break;
2277 case PCI_PRODUCT_VIATECH_VT8233:
2278 printf("VT8233 ATA100 controller\n");
2279 sc->sc_wdcdev.UDMA_cap = 5;
2280 break;
2281 case PCI_PRODUCT_VIATECH_VT8233A:
2282 printf("VT8233A ATA133 controller\n");
2283 sc->sc_wdcdev.UDMA_cap = 6;
2284 break;
2285 case PCI_PRODUCT_VIATECH_VT8235:
2286 printf("VT8235 ATA133 controller\n");
2287 sc->sc_wdcdev.UDMA_cap = 6;
2288 break;
2289 default:
2290 printf("unknown ATA controller\n");
2291 sc->sc_wdcdev.UDMA_cap = 0;
2292 }
2293
2294 printf("%s: bus-master DMA support present",
2295 sc->sc_wdcdev.sc_dev.dv_xname);
2296 pciide_mapreg_dma(sc, pa);
2297 printf("\n");
2298 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
2299 WDC_CAPABILITY_MODE;
2300 if (sc->sc_dma_ok) {
2301 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
2302 sc->sc_wdcdev.irqack = pciide_irqack;
2303 if (sc->sc_wdcdev.UDMA_cap > 0)
2304 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
2305 }
2306 sc->sc_wdcdev.PIO_cap = 4;
2307 sc->sc_wdcdev.DMA_cap = 2;
2308 sc->sc_wdcdev.set_modes = apollo_setup_channel;
2309 sc->sc_wdcdev.channels = sc->wdc_chanarray;
2310 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
2311
2312 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, "
2313 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n",
2314 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF),
2315 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC),
2316 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM),
2317 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)),
2318 DEBUG_PROBE);
2319
2320 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
2321 cp = &sc->pciide_channels[channel];
2322 if (pciide_chansetup(sc, channel, interface) == 0)
2323 continue;
2324
2325 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF);
2326 if ((ideconf & APO_IDECONF_EN(channel)) == 0) {
2327 printf("%s: %s channel ignored (disabled)\n",
2328 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
2329 continue;
2330 }
2331 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
2332 pciide_pci_intr);
2333 if (cp->hw_ok == 0)
2334 continue;
2335 if (pciide_chan_candisable(cp)) {
2336 ideconf &= ~APO_IDECONF_EN(channel);
2337 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF,
2338 ideconf);
2339 }
2340 pciide_map_compat_intr(pa, cp, channel, interface);
2341
2342 if (cp->hw_ok == 0)
2343 continue;
2344 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel);
2345 }
2346 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n",
2347 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM),
2348 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE);
2349 }
2350
2351 void
2352 apollo_setup_channel(chp)
2353 struct channel_softc *chp;
2354 {
2355 u_int32_t udmatim_reg, datatim_reg;
2356 u_int8_t idedma_ctl;
2357 int mode, drive;
2358 struct ata_drive_datas *drvp;
2359 struct pciide_channel *cp = (struct pciide_channel*)chp;
2360 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
2361
2362 idedma_ctl = 0;
2363 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM);
2364 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA);
2365 datatim_reg &= ~APO_DATATIM_MASK(chp->channel);
2366 udmatim_reg &= ~APO_UDMA_MASK(chp->channel);
2367
2368 /* setup DMA if needed */
2369 pciide_channel_dma_setup(cp);
2370
2371 for (drive = 0; drive < 2; drive++) {
2372 drvp = &chp->ch_drive[drive];
2373 /* If no drive, skip */
2374 if ((drvp->drive_flags & DRIVE) == 0)
2375 continue;
2376 /* add timing values, setup DMA if needed */
2377 if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
2378 (drvp->drive_flags & DRIVE_UDMA) == 0)) {
2379 mode = drvp->PIO_mode;
2380 goto pio;
2381 }
2382 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
2383 (drvp->drive_flags & DRIVE_UDMA)) {
2384 /* use Ultra/DMA */
2385 drvp->drive_flags &= ~DRIVE_DMA;
2386 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) |
2387 APO_UDMA_EN_MTH(chp->channel, drive);
2388 if (sc->sc_wdcdev.UDMA_cap == 6) {
2389 /* 8233a */
2390 udmatim_reg |= APO_UDMA_TIME(chp->channel,
2391 drive, apollo_udma133_tim[drvp->UDMA_mode]);
2392 } else if (sc->sc_wdcdev.UDMA_cap == 5) {
2393 /* 686b */
2394 udmatim_reg |= APO_UDMA_TIME(chp->channel,
2395 drive, apollo_udma100_tim[drvp->UDMA_mode]);
2396 } else if (sc->sc_wdcdev.UDMA_cap == 4) {
2397 /* 596b or 686a */
2398 udmatim_reg |= APO_UDMA_CLK66(chp->channel);
2399 udmatim_reg |= APO_UDMA_TIME(chp->channel,
2400 drive, apollo_udma66_tim[drvp->UDMA_mode]);
2401 } else {
2402 /* 596a or 586b */
2403 udmatim_reg |= APO_UDMA_TIME(chp->channel,
2404 drive, apollo_udma33_tim[drvp->UDMA_mode]);
2405 }
2406 /* can use PIO timings, MW DMA unused */
2407 mode = drvp->PIO_mode;
2408 } else {
2409 /* use Multiword DMA */
2410 drvp->drive_flags &= ~DRIVE_UDMA;
2411 /* mode = min(pio, dma+2) */
2412 if (drvp->PIO_mode <= (drvp->DMA_mode +2))
2413 mode = drvp->PIO_mode;
2414 else
2415 mode = drvp->DMA_mode + 2;
2416 }
2417 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
2418
2419 pio: /* setup PIO mode */
2420 if (mode <= 2) {
2421 drvp->DMA_mode = 0;
2422 drvp->PIO_mode = 0;
2423 mode = 0;
2424 } else {
2425 drvp->PIO_mode = mode;
2426 drvp->DMA_mode = mode - 2;
2427 }
2428 datatim_reg |=
2429 APO_DATATIM_PULSE(chp->channel, drive,
2430 apollo_pio_set[mode]) |
2431 APO_DATATIM_RECOV(chp->channel, drive,
2432 apollo_pio_rec[mode]);
2433 }
2434 if (idedma_ctl != 0) {
2435 /* Add software bits in status register */
2436 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
2437 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
2438 idedma_ctl);
2439 }
2440 pciide_print_modes(cp);
2441 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg);
2442 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg);
2443 }
2444
2445 void
2446 cmd_channel_map(pa, sc, channel)
2447 struct pci_attach_args *pa;
2448 struct pciide_softc *sc;
2449 int channel;
2450 {
2451 struct pciide_channel *cp = &sc->pciide_channels[channel];
2452 bus_size_t cmdsize, ctlsize;
2453 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL);
2454 int interface, one_channel;
2455
2456 /*
2457 * The 0648/0649 can be told to identify as a RAID controller.
2458 * In this case, we have to fake interface
2459 */
2460 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) {
2461 interface = PCIIDE_INTERFACE_SETTABLE(0) |
2462 PCIIDE_INTERFACE_SETTABLE(1);
2463 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) &
2464 CMD_CONF_DSA1)
2465 interface |= PCIIDE_INTERFACE_PCI(0) |
2466 PCIIDE_INTERFACE_PCI(1);
2467 } else {
2468 interface = PCI_INTERFACE(pa->pa_class);
2469 }
2470
2471 sc->wdc_chanarray[channel] = &cp->wdc_channel;
2472 cp->name = PCIIDE_CHANNEL_NAME(channel);
2473 cp->wdc_channel.channel = channel;
2474 cp->wdc_channel.wdc = &sc->sc_wdcdev;
2475
2476 /*
2477 * Older CMD64X doesn't have independant channels
2478 */
2479 switch (sc->sc_pp->ide_product) {
2480 case PCI_PRODUCT_CMDTECH_649:
2481 one_channel = 0;
2482 break;
2483 default:
2484 one_channel = 1;
2485 break;
2486 }
2487
2488 if (channel > 0 && one_channel) {
2489 cp->wdc_channel.ch_queue =
2490 sc->pciide_channels[0].wdc_channel.ch_queue;
2491 } else {
2492 cp->wdc_channel.ch_queue =
2493 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
2494 }
2495 if (cp->wdc_channel.ch_queue == NULL) {
2496 printf("%s %s channel: "
2497 "can't allocate memory for command queue",
2498 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
2499 return;
2500 }
2501
2502 printf("%s: %s channel %s to %s mode\n",
2503 sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
2504 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ?
2505 "configured" : "wired",
2506 (interface & PCIIDE_INTERFACE_PCI(channel)) ?
2507 "native-PCI" : "compatibility");
2508
2509 /*
2510 * with a CMD PCI64x, if we get here, the first channel is enabled:
2511 * there's no way to disable the first channel without disabling
2512 * the whole device
2513 */
2514 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) {
2515 printf("%s: %s channel ignored (disabled)\n",
2516 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
2517 return;
2518 }
2519
2520 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr);
2521 if (cp->hw_ok == 0)
2522 return;
2523 if (channel == 1) {
2524 if (pciide_chan_candisable(cp)) {
2525 ctrl &= ~CMD_CTRL_2PORT;
2526 pciide_pci_write(pa->pa_pc, pa->pa_tag,
2527 CMD_CTRL, ctrl);
2528 }
2529 }
2530 pciide_map_compat_intr(pa, cp, channel, interface);
2531 }
2532
2533 int
2534 cmd_pci_intr(arg)
2535 void *arg;
2536 {
2537 struct pciide_softc *sc = arg;
2538 struct pciide_channel *cp;
2539 struct channel_softc *wdc_cp;
2540 int i, rv, crv;
2541 u_int32_t priirq, secirq;
2542
2543 rv = 0;
2544 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF);
2545 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23);
2546 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
2547 cp = &sc->pciide_channels[i];
2548 wdc_cp = &cp->wdc_channel;
2549 /* If a compat channel skip. */
2550 if (cp->compat)
2551 continue;
2552 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) ||
2553 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) {
2554 crv = wdcintr(wdc_cp);
2555 if (crv == 0)
2556 printf("%s:%d: bogus intr\n",
2557 sc->sc_wdcdev.sc_dev.dv_xname, i);
2558 else
2559 rv = 1;
2560 }
2561 }
2562 return rv;
2563 }
2564
2565 void
2566 cmd_chip_map(sc, pa)
2567 struct pciide_softc *sc;
2568 struct pci_attach_args *pa;
2569 {
2570 int channel;
2571
2572 /*
2573 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE
2574 * and base adresses registers can be disabled at
2575 * hardware level. In this case, the device is wired
2576 * in compat mode and its first channel is always enabled,
2577 * but we can't rely on PCI_COMMAND_IO_ENABLE.
2578 * In fact, it seems that the first channel of the CMD PCI0640
2579 * can't be disabled.
2580 */
2581
2582 #ifdef PCIIDE_CMD064x_DISABLE
2583 if (pciide_chipen(sc, pa) == 0)
2584 return;
2585 #endif
2586
2587 printf("%s: hardware does not support DMA\n",
2588 sc->sc_wdcdev.sc_dev.dv_xname);
2589 sc->sc_dma_ok = 0;
2590
2591 sc->sc_wdcdev.channels = sc->wdc_chanarray;
2592 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
2593 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16;
2594
2595 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
2596 cmd_channel_map(pa, sc, channel);
2597 }
2598 }
2599
2600 void
2601 cmd0643_9_chip_map(sc, pa)
2602 struct pciide_softc *sc;
2603 struct pci_attach_args *pa;
2604 {
2605 struct pciide_channel *cp;
2606 int channel;
2607 pcireg_t rev = PCI_REVISION(pa->pa_class);
2608
2609 /*
2610 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE
2611 * and base adresses registers can be disabled at
2612 * hardware level. In this case, the device is wired
2613 * in compat mode and its first channel is always enabled,
2614 * but we can't rely on PCI_COMMAND_IO_ENABLE.
2615 * In fact, it seems that the first channel of the CMD PCI0640
2616 * can't be disabled.
2617 */
2618
2619 #ifdef PCIIDE_CMD064x_DISABLE
2620 if (pciide_chipen(sc, pa) == 0)
2621 return;
2622 #endif
2623 printf("%s: bus-master DMA support present",
2624 sc->sc_wdcdev.sc_dev.dv_xname);
2625 pciide_mapreg_dma(sc, pa);
2626 printf("\n");
2627 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
2628 WDC_CAPABILITY_MODE;
2629 if (sc->sc_dma_ok) {
2630 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
2631 switch (sc->sc_pp->ide_product) {
2632 case PCI_PRODUCT_CMDTECH_649:
2633 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
2634 sc->sc_wdcdev.UDMA_cap = 5;
2635 sc->sc_wdcdev.irqack = cmd646_9_irqack;
2636 break;
2637 case PCI_PRODUCT_CMDTECH_648:
2638 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
2639 sc->sc_wdcdev.UDMA_cap = 4;
2640 sc->sc_wdcdev.irqack = cmd646_9_irqack;
2641 break;
2642 case PCI_PRODUCT_CMDTECH_646:
2643 if (rev >= CMD0646U2_REV) {
2644 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
2645 sc->sc_wdcdev.UDMA_cap = 2;
2646 } else if (rev >= CMD0646U_REV) {
2647 /*
2648 * Linux's driver claims that the 646U is broken
2649 * with UDMA. Only enable it if we know what we're
2650 * doing
2651 */
2652 #ifdef PCIIDE_CMD0646U_ENABLEUDMA
2653 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
2654 sc->sc_wdcdev.UDMA_cap = 2;
2655 #endif
2656 /* explicitly disable UDMA */
2657 pciide_pci_write(sc->sc_pc, sc->sc_tag,
2658 CMD_UDMATIM(0), 0);
2659 pciide_pci_write(sc->sc_pc, sc->sc_tag,
2660 CMD_UDMATIM(1), 0);
2661 }
2662 sc->sc_wdcdev.irqack = cmd646_9_irqack;
2663 break;
2664 default:
2665 sc->sc_wdcdev.irqack = pciide_irqack;
2666 }
2667 }
2668
2669 sc->sc_wdcdev.channels = sc->wdc_chanarray;
2670 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
2671 sc->sc_wdcdev.PIO_cap = 4;
2672 sc->sc_wdcdev.DMA_cap = 2;
2673 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel;
2674
2675 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n",
2676 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54),
2677 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)),
2678 DEBUG_PROBE);
2679
2680 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
2681 cp = &sc->pciide_channels[channel];
2682 cmd_channel_map(pa, sc, channel);
2683 if (cp->hw_ok == 0)
2684 continue;
2685 cmd0643_9_setup_channel(&cp->wdc_channel);
2686 }
2687 /*
2688 * note - this also makes sure we clear the irq disable and reset
2689 * bits
2690 */
2691 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE);
2692 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n",
2693 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54),
2694 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)),
2695 DEBUG_PROBE);
2696 }
2697
2698 void
2699 cmd0643_9_setup_channel(chp)
2700 struct channel_softc *chp;
2701 {
2702 struct ata_drive_datas *drvp;
2703 u_int8_t tim;
2704 u_int32_t idedma_ctl, udma_reg;
2705 int drive;
2706 struct pciide_channel *cp = (struct pciide_channel*)chp;
2707 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
2708
2709 idedma_ctl = 0;
2710 /* setup DMA if needed */
2711 pciide_channel_dma_setup(cp);
2712
2713 for (drive = 0; drive < 2; drive++) {
2714 drvp = &chp->ch_drive[drive];
2715 /* If no drive, skip */
2716 if ((drvp->drive_flags & DRIVE) == 0)
2717 continue;
2718 /* add timing values, setup DMA if needed */
2719 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode];
2720 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) {
2721 if (drvp->drive_flags & DRIVE_UDMA) {
2722 /* UltraDMA on a 646U2, 0648 or 0649 */
2723 drvp->drive_flags &= ~DRIVE_DMA;
2724 udma_reg = pciide_pci_read(sc->sc_pc,
2725 sc->sc_tag, CMD_UDMATIM(chp->channel));
2726 if (drvp->UDMA_mode > 2 &&
2727 (pciide_pci_read(sc->sc_pc, sc->sc_tag,
2728 CMD_BICSR) &
2729 CMD_BICSR_80(chp->channel)) == 0)
2730 drvp->UDMA_mode = 2;
2731 if (drvp->UDMA_mode > 2)
2732 udma_reg &= ~CMD_UDMATIM_UDMA33(drive);
2733 else if (sc->sc_wdcdev.UDMA_cap > 2)
2734 udma_reg |= CMD_UDMATIM_UDMA33(drive);
2735 udma_reg |= CMD_UDMATIM_UDMA(drive);
2736 udma_reg &= ~(CMD_UDMATIM_TIM_MASK <<
2737 CMD_UDMATIM_TIM_OFF(drive));
2738 udma_reg |=
2739 (cmd0646_9_tim_udma[drvp->UDMA_mode] <<
2740 CMD_UDMATIM_TIM_OFF(drive));
2741 pciide_pci_write(sc->sc_pc, sc->sc_tag,
2742 CMD_UDMATIM(chp->channel), udma_reg);
2743 } else {
2744 /*
2745 * use Multiword DMA.
2746 * Timings will be used for both PIO and DMA,
2747 * so adjust DMA mode if needed
2748 * if we have a 0646U2/8/9, turn off UDMA
2749 */
2750 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) {
2751 udma_reg = pciide_pci_read(sc->sc_pc,
2752 sc->sc_tag,
2753 CMD_UDMATIM(chp->channel));
2754 udma_reg &= ~CMD_UDMATIM_UDMA(drive);
2755 pciide_pci_write(sc->sc_pc, sc->sc_tag,
2756 CMD_UDMATIM(chp->channel),
2757 udma_reg);
2758 }
2759 if (drvp->PIO_mode >= 3 &&
2760 (drvp->DMA_mode + 2) > drvp->PIO_mode) {
2761 drvp->DMA_mode = drvp->PIO_mode - 2;
2762 }
2763 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode];
2764 }
2765 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
2766 }
2767 pciide_pci_write(sc->sc_pc, sc->sc_tag,
2768 CMD_DATA_TIM(chp->channel, drive), tim);
2769 }
2770 if (idedma_ctl != 0) {
2771 /* Add software bits in status register */
2772 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
2773 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
2774 idedma_ctl);
2775 }
2776 pciide_print_modes(cp);
2777 }
2778
2779 void
2780 cmd646_9_irqack(chp)
2781 struct channel_softc *chp;
2782 {
2783 u_int32_t priirq, secirq;
2784 struct pciide_channel *cp = (struct pciide_channel*)chp;
2785 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
2786
2787 if (chp->channel == 0) {
2788 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF);
2789 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq);
2790 } else {
2791 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23);
2792 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq);
2793 }
2794 pciide_irqack(chp);
2795 }
2796
2797 void
2798 cmd680_chip_map(sc, pa)
2799 struct pciide_softc *sc;
2800 struct pci_attach_args *pa;
2801 {
2802 struct pciide_channel *cp;
2803 int channel;
2804
2805 if (pciide_chipen(sc, pa) == 0)
2806 return;
2807 printf("%s: bus-master DMA support present",
2808 sc->sc_wdcdev.sc_dev.dv_xname);
2809 pciide_mapreg_dma(sc, pa);
2810 printf("\n");
2811 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
2812 WDC_CAPABILITY_MODE;
2813 if (sc->sc_dma_ok) {
2814 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
2815 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
2816 sc->sc_wdcdev.UDMA_cap = 6;
2817 sc->sc_wdcdev.irqack = pciide_irqack;
2818 }
2819
2820 sc->sc_wdcdev.channels = sc->wdc_chanarray;
2821 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
2822 sc->sc_wdcdev.PIO_cap = 4;
2823 sc->sc_wdcdev.DMA_cap = 2;
2824 sc->sc_wdcdev.set_modes = cmd680_setup_channel;
2825
2826 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x80, 0x00);
2827 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x84, 0x00);
2828 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x8a,
2829 pciide_pci_read(sc->sc_pc, sc->sc_tag, 0x8a) | 0x01);
2830 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
2831 cp = &sc->pciide_channels[channel];
2832 cmd680_channel_map(pa, sc, channel);
2833 if (cp->hw_ok == 0)
2834 continue;
2835 cmd680_setup_channel(&cp->wdc_channel);
2836 }
2837 }
2838
2839 void
2840 cmd680_channel_map(pa, sc, channel)
2841 struct pci_attach_args *pa;
2842 struct pciide_softc *sc;
2843 int channel;
2844 {
2845 struct pciide_channel *cp = &sc->pciide_channels[channel];
2846 bus_size_t cmdsize, ctlsize;
2847 int interface, i, reg;
2848 static const u_int8_t init_val[] =
2849 { 0x8a, 0x32, 0x8a, 0x32, 0x8a, 0x32,
2850 0x92, 0x43, 0x92, 0x43, 0x09, 0x40, 0x09, 0x40 };
2851
2852 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) {
2853 interface = PCIIDE_INTERFACE_SETTABLE(0) |
2854 PCIIDE_INTERFACE_SETTABLE(1);
2855 interface |= PCIIDE_INTERFACE_PCI(0) |
2856 PCIIDE_INTERFACE_PCI(1);
2857 } else {
2858 interface = PCI_INTERFACE(pa->pa_class);
2859 }
2860
2861 sc->wdc_chanarray[channel] = &cp->wdc_channel;
2862 cp->name = PCIIDE_CHANNEL_NAME(channel);
2863 cp->wdc_channel.channel = channel;
2864 cp->wdc_channel.wdc = &sc->sc_wdcdev;
2865
2866 cp->wdc_channel.ch_queue =
2867 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
2868 if (cp->wdc_channel.ch_queue == NULL) {
2869 printf("%s %s channel: "
2870 "can't allocate memory for command queue",
2871 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
2872 return;
2873 }
2874
2875 /* XXX */
2876 reg = 0xa2 + channel * 16;
2877 for (i = 0; i < sizeof(init_val); i++)
2878 pciide_pci_write(sc->sc_pc, sc->sc_tag, reg + i, init_val[i]);
2879
2880 printf("%s: %s channel %s to %s mode\n",
2881 sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
2882 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ?
2883 "configured" : "wired",
2884 (interface & PCIIDE_INTERFACE_PCI(channel)) ?
2885 "native-PCI" : "compatibility");
2886
2887 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr);
2888 if (cp->hw_ok == 0)
2889 return;
2890 pciide_map_compat_intr(pa, cp, channel, interface);
2891 }
2892
2893 void
2894 cmd680_setup_channel(chp)
2895 struct channel_softc *chp;
2896 {
2897 struct ata_drive_datas *drvp;
2898 u_int8_t mode, off, scsc;
2899 u_int16_t val;
2900 u_int32_t idedma_ctl;
2901 int drive;
2902 struct pciide_channel *cp = (struct pciide_channel*)chp;
2903 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
2904 pci_chipset_tag_t pc = sc->sc_pc;
2905 pcitag_t pa = sc->sc_tag;
2906 static const u_int8_t udma2_tbl[] =
2907 { 0x0f, 0x0b, 0x07, 0x06, 0x03, 0x02, 0x01 };
2908 static const u_int8_t udma_tbl[] =
2909 { 0x0c, 0x07, 0x05, 0x04, 0x02, 0x01, 0x00 };
2910 static const u_int16_t dma_tbl[] =
2911 { 0x2208, 0x10c2, 0x10c1 };
2912 static const u_int16_t pio_tbl[] =
2913 { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 };
2914
2915 idedma_ctl = 0;
2916 pciide_channel_dma_setup(cp);
2917 mode = pciide_pci_read(pc, pa, 0x80 + chp->channel * 4);
2918
2919 for (drive = 0; drive < 2; drive++) {
2920 drvp = &chp->ch_drive[drive];
2921 /* If no drive, skip */
2922 if ((drvp->drive_flags & DRIVE) == 0)
2923 continue;
2924 mode &= ~(0x03 << (drive * 4));
2925 if (drvp->drive_flags & DRIVE_UDMA) {
2926 drvp->drive_flags &= ~DRIVE_DMA;
2927 off = 0xa0 + chp->channel * 16;
2928 if (drvp->UDMA_mode > 2 &&
2929 (pciide_pci_read(pc, pa, off) & 0x01) == 0)
2930 drvp->UDMA_mode = 2;
2931 scsc = pciide_pci_read(pc, pa, 0x8a);
2932 if (drvp->UDMA_mode == 6 && (scsc & 0x30) == 0) {
2933 pciide_pci_write(pc, pa, 0x8a, scsc | 0x01);
2934 scsc = pciide_pci_read(pc, pa, 0x8a);
2935 if ((scsc & 0x30) == 0)
2936 drvp->UDMA_mode = 5;
2937 }
2938 mode |= 0x03 << (drive * 4);
2939 off = 0xac + chp->channel * 16 + drive * 2;
2940 val = pciide_pci_read(pc, pa, off) & ~0x3f;
2941 if (scsc & 0x30)
2942 val |= udma2_tbl[drvp->UDMA_mode];
2943 else
2944 val |= udma_tbl[drvp->UDMA_mode];
2945 pciide_pci_write(pc, pa, off, val);
2946 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
2947 } else if (drvp->drive_flags & DRIVE_DMA) {
2948 mode |= 0x02 << (drive * 4);
2949 off = 0xa8 + chp->channel * 16 + drive * 2;
2950 val = dma_tbl[drvp->DMA_mode];
2951 pciide_pci_write(pc, pa, off, val & 0xff);
2952 pciide_pci_write(pc, pa, off, val >> 8);
2953 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
2954 } else {
2955 mode |= 0x01 << (drive * 4);
2956 off = 0xa4 + chp->channel * 16 + drive * 2;
2957 val = pio_tbl[drvp->PIO_mode];
2958 pciide_pci_write(pc, pa, off, val & 0xff);
2959 pciide_pci_write(pc, pa, off, val >> 8);
2960 }
2961 }
2962
2963 pciide_pci_write(pc, pa, 0x80 + chp->channel * 4, mode);
2964 if (idedma_ctl != 0) {
2965 /* Add software bits in status register */
2966 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
2967 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
2968 idedma_ctl);
2969 }
2970 pciide_print_modes(cp);
2971 }
2972
2973 void
2974 cy693_chip_map(sc, pa)
2975 struct pciide_softc *sc;
2976 struct pci_attach_args *pa;
2977 {
2978 struct pciide_channel *cp;
2979 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
2980 bus_size_t cmdsize, ctlsize;
2981
2982 if (pciide_chipen(sc, pa) == 0)
2983 return;
2984 /*
2985 * this chip has 2 PCI IDE functions, one for primary and one for
2986 * secondary. So we need to call pciide_mapregs_compat() with
2987 * the real channel
2988 */
2989 if (pa->pa_function == 1) {
2990 sc->sc_cy_compatchan = 0;
2991 } else if (pa->pa_function == 2) {
2992 sc->sc_cy_compatchan = 1;
2993 } else {
2994 printf("%s: unexpected PCI function %d\n",
2995 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function);
2996 return;
2997 }
2998 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) {
2999 printf("%s: bus-master DMA support present",
3000 sc->sc_wdcdev.sc_dev.dv_xname);
3001 pciide_mapreg_dma(sc, pa);
3002 } else {
3003 printf("%s: hardware does not support DMA",
3004 sc->sc_wdcdev.sc_dev.dv_xname);
3005 sc->sc_dma_ok = 0;
3006 }
3007 printf("\n");
3008
3009 sc->sc_cy_handle = cy82c693_init(pa->pa_iot);
3010 if (sc->sc_cy_handle == NULL) {
3011 printf("%s: unable to map hyperCache control registers\n",
3012 sc->sc_wdcdev.sc_dev.dv_xname);
3013 sc->sc_dma_ok = 0;
3014 }
3015
3016 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
3017 WDC_CAPABILITY_MODE;
3018 if (sc->sc_dma_ok) {
3019 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
3020 sc->sc_wdcdev.irqack = pciide_irqack;
3021 }
3022 sc->sc_wdcdev.PIO_cap = 4;
3023 sc->sc_wdcdev.DMA_cap = 2;
3024 sc->sc_wdcdev.set_modes = cy693_setup_channel;
3025
3026 sc->sc_wdcdev.channels = sc->wdc_chanarray;
3027 sc->sc_wdcdev.nchannels = 1;
3028
3029 /* Only one channel for this chip; if we are here it's enabled */
3030 cp = &sc->pciide_channels[0];
3031 sc->wdc_chanarray[0] = &cp->wdc_channel;
3032 cp->name = PCIIDE_CHANNEL_NAME(0);
3033 cp->wdc_channel.channel = 0;
3034 cp->wdc_channel.wdc = &sc->sc_wdcdev;
3035 cp->wdc_channel.ch_queue =
3036 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
3037 if (cp->wdc_channel.ch_queue == NULL) {
3038 printf("%s primary channel: "
3039 "can't allocate memory for command queue",
3040 sc->sc_wdcdev.sc_dev.dv_xname);
3041 return;
3042 }
3043 printf("%s: primary channel %s to ",
3044 sc->sc_wdcdev.sc_dev.dv_xname,
3045 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ?
3046 "configured" : "wired");
3047 if (interface & PCIIDE_INTERFACE_PCI(0)) {
3048 printf("native-PCI");
3049 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize,
3050 pciide_pci_intr);
3051 } else {
3052 printf("compatibility");
3053 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan,
3054 &cmdsize, &ctlsize);
3055 }
3056 printf(" mode\n");
3057 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot;
3058 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh;
3059 wdcattach(&cp->wdc_channel);
3060 if (pciide_chan_candisable(cp)) {
3061 pci_conf_write(sc->sc_pc, sc->sc_tag,
3062 PCI_COMMAND_STATUS_REG, 0);
3063 }
3064 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface);
3065 if (cp->hw_ok == 0)
3066 return;
3067 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n",
3068 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE);
3069 cy693_setup_channel(&cp->wdc_channel);
3070 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n",
3071 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE);
3072 }
3073
3074 void
3075 cy693_setup_channel(chp)
3076 struct channel_softc *chp;
3077 {
3078 struct ata_drive_datas *drvp;
3079 int drive;
3080 u_int32_t cy_cmd_ctrl;
3081 u_int32_t idedma_ctl;
3082 struct pciide_channel *cp = (struct pciide_channel*)chp;
3083 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
3084 int dma_mode = -1;
3085
3086 cy_cmd_ctrl = idedma_ctl = 0;
3087
3088 /* setup DMA if needed */
3089 pciide_channel_dma_setup(cp);
3090
3091 for (drive = 0; drive < 2; drive++) {
3092 drvp = &chp->ch_drive[drive];
3093 /* If no drive, skip */
3094 if ((drvp->drive_flags & DRIVE) == 0)
3095 continue;
3096 /* add timing values, setup DMA if needed */
3097 if (drvp->drive_flags & DRIVE_DMA) {
3098 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
3099 /* use Multiword DMA */
3100 if (dma_mode == -1 || dma_mode > drvp->DMA_mode)
3101 dma_mode = drvp->DMA_mode;
3102 }
3103 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] <<
3104 CY_CMD_CTRL_IOW_PULSE_OFF(drive));
3105 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] <<
3106 CY_CMD_CTRL_IOW_REC_OFF(drive));
3107 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] <<
3108 CY_CMD_CTRL_IOR_PULSE_OFF(drive));
3109 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] <<
3110 CY_CMD_CTRL_IOR_REC_OFF(drive));
3111 }
3112 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl);
3113 chp->ch_drive[0].DMA_mode = dma_mode;
3114 chp->ch_drive[1].DMA_mode = dma_mode;
3115
3116 if (dma_mode == -1)
3117 dma_mode = 0;
3118
3119 if (sc->sc_cy_handle != NULL) {
3120 /* Note: `multiple' is implied. */
3121 cy82c693_write(sc->sc_cy_handle,
3122 (sc->sc_cy_compatchan == 0) ?
3123 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode);
3124 }
3125
3126 pciide_print_modes(cp);
3127
3128 if (idedma_ctl != 0) {
3129 /* Add software bits in status register */
3130 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
3131 IDEDMA_CTL, idedma_ctl);
3132 }
3133 }
3134
3135 static struct sis_hostbr_type {
3136 u_int16_t id;
3137 u_int8_t rev;
3138 u_int8_t udma_mode;
3139 char *name;
3140 u_int8_t type;
3141 #define SIS_TYPE_NOUDMA 0
3142 #define SIS_TYPE_66 1
3143 #define SIS_TYPE_100OLD 2
3144 #define SIS_TYPE_100NEW 3
3145 #define SIS_TYPE_133OLD 4
3146 #define SIS_TYPE_133NEW 5
3147 #define SIS_TYPE_SOUTH 6
3148 } sis_hostbr_type[] = {
3149 /* Most infos here are from sos (at) freebsd.org */
3150 {PCI_PRODUCT_SIS_530HB, 0x00, 4, "530", SIS_TYPE_66},
3151 #if 0
3152 /*
3153 * controllers associated to a rev 0x2 530 Host to PCI Bridge
3154 * have problems with UDMA (info provided by Christos)
3155 */
3156 {PCI_PRODUCT_SIS_530HB, 0x02, 0, "530 (buggy)", SIS_TYPE_NOUDMA},
3157 #endif
3158 {PCI_PRODUCT_SIS_540HB, 0x00, 4, "540", SIS_TYPE_66},
3159 {PCI_PRODUCT_SIS_550HB, 0x00, 4, "550", SIS_TYPE_66},
3160 {PCI_PRODUCT_SIS_620, 0x00, 4, "620", SIS_TYPE_66},
3161 {PCI_PRODUCT_SIS_630, 0x00, 4, "630", SIS_TYPE_66},
3162 {PCI_PRODUCT_SIS_630, 0x30, 5, "630S", SIS_TYPE_100NEW},
3163 {PCI_PRODUCT_SIS_633, 0x00, 5, "633", SIS_TYPE_100NEW},
3164 {PCI_PRODUCT_SIS_635, 0x00, 5, "635", SIS_TYPE_100NEW},
3165 {PCI_PRODUCT_SIS_640, 0x00, 4, "640", SIS_TYPE_SOUTH},
3166 {PCI_PRODUCT_SIS_645, 0x00, 6, "645", SIS_TYPE_SOUTH},
3167 {PCI_PRODUCT_SIS_646, 0x00, 6, "645DX", SIS_TYPE_SOUTH},
3168 {PCI_PRODUCT_SIS_648, 0x00, 6, "648", SIS_TYPE_SOUTH},
3169 {PCI_PRODUCT_SIS_650, 0x00, 6, "650", SIS_TYPE_SOUTH},
3170 {PCI_PRODUCT_SIS_651, 0x00, 6, "651", SIS_TYPE_SOUTH},
3171 {PCI_PRODUCT_SIS_652, 0x00, 6, "652", SIS_TYPE_SOUTH},
3172 {PCI_PRODUCT_SIS_655, 0x00, 6, "655", SIS_TYPE_SOUTH},
3173 {PCI_PRODUCT_SIS_658, 0x00, 6, "658", SIS_TYPE_SOUTH},
3174 {PCI_PRODUCT_SIS_730, 0x00, 5, "730", SIS_TYPE_100OLD},
3175 {PCI_PRODUCT_SIS_733, 0x00, 5, "733", SIS_TYPE_100NEW},
3176 {PCI_PRODUCT_SIS_735, 0x00, 5, "735", SIS_TYPE_100NEW},
3177 {PCI_PRODUCT_SIS_740, 0x00, 5, "740", SIS_TYPE_SOUTH},
3178 {PCI_PRODUCT_SIS_745, 0x00, 5, "745", SIS_TYPE_100NEW},
3179 {PCI_PRODUCT_SIS_746, 0x00, 6, "746", SIS_TYPE_SOUTH},
3180 {PCI_PRODUCT_SIS_748, 0x00, 6, "748", SIS_TYPE_SOUTH},
3181 {PCI_PRODUCT_SIS_750, 0x00, 6, "750", SIS_TYPE_SOUTH},
3182 {PCI_PRODUCT_SIS_751, 0x00, 6, "751", SIS_TYPE_SOUTH},
3183 {PCI_PRODUCT_SIS_752, 0x00, 6, "752", SIS_TYPE_SOUTH},
3184 {PCI_PRODUCT_SIS_755, 0x00, 6, "755", SIS_TYPE_SOUTH},
3185 /*
3186 * From sos (at) freebsd.org: the 0x961 ID will never be found in real world
3187 * {PCI_PRODUCT_SIS_961, 0x00, 6, "961", SIS_TYPE_133NEW},
3188 */
3189 {PCI_PRODUCT_SIS_962, 0x00, 6, "962", SIS_TYPE_133NEW},
3190 {PCI_PRODUCT_SIS_963, 0x00, 6, "963", SIS_TYPE_133NEW},
3191 };
3192
3193 static struct sis_hostbr_type *sis_hostbr_type_match;
3194
3195 static int
3196 sis_hostbr_match(pa)
3197 struct pci_attach_args *pa;
3198 {
3199 int i;
3200 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SIS)
3201 return 0;
3202 sis_hostbr_type_match = NULL;
3203 for (i = 0;
3204 i < sizeof(sis_hostbr_type) / sizeof(sis_hostbr_type[0]);
3205 i++) {
3206 if (PCI_PRODUCT(pa->pa_id) == sis_hostbr_type[i].id &&
3207 PCI_REVISION(pa->pa_class) >= sis_hostbr_type[i].rev)
3208 sis_hostbr_type_match = &sis_hostbr_type[i];
3209 }
3210 return (sis_hostbr_type_match != NULL);
3211 }
3212
3213 static int sis_south_match(pa)
3214 struct pci_attach_args *pa;
3215 {
3216 return(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS &&
3217 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503 &&
3218 PCI_REVISION(pa->pa_class) >= 0x10);
3219 }
3220
3221 void
3222 sis_chip_map(sc, pa)
3223 struct pciide_softc *sc;
3224 struct pci_attach_args *pa;
3225 {
3226 struct pciide_channel *cp;
3227 int channel;
3228 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0);
3229 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
3230 pcireg_t rev = PCI_REVISION(pa->pa_class);
3231 bus_size_t cmdsize, ctlsize;
3232
3233 if (pciide_chipen(sc, pa) == 0)
3234 return;
3235 printf("Silicon Integrated System ");
3236 pci_find_device(pa, sis_hostbr_match);
3237 if (sis_hostbr_type_match) {
3238 if (sis_hostbr_type_match->type == SIS_TYPE_SOUTH) {
3239 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_57,
3240 pciide_pci_read(sc->sc_pc, sc->sc_tag,
3241 SIS_REG_57) & 0x7f);
3242 if (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag,
3243 PCI_ID_REG)) == SIS_PRODUCT_5518) {
3244 printf("96X UDMA%d",
3245 sis_hostbr_type_match->udma_mode);
3246 sc->sis_type = SIS_TYPE_133NEW;
3247 sc->sc_wdcdev.UDMA_cap =
3248 sis_hostbr_type_match->udma_mode;
3249 } else {
3250 if (pci_find_device(pa, sis_south_match)) {
3251 sc->sis_type = SIS_TYPE_133OLD;
3252 sc->sc_wdcdev.UDMA_cap =
3253 sis_hostbr_type_match->udma_mode;
3254 } else {
3255 sc->sis_type = SIS_TYPE_100NEW;
3256 sc->sc_wdcdev.UDMA_cap =
3257 sis_hostbr_type_match->udma_mode;
3258 }
3259 }
3260 } else {
3261 printf(sis_hostbr_type_match->name);
3262 sc->sis_type = sis_hostbr_type_match->type;
3263 sc->sc_wdcdev.UDMA_cap =
3264 sis_hostbr_type_match->udma_mode;
3265 }
3266 } else {
3267 printf("5597/5598");
3268 sc->sis_type = 0;
3269 if (rev >= 0xd0) {
3270 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
3271 sc->sc_wdcdev.UDMA_cap = 2;
3272 } else {
3273 sc->sc_wdcdev.UDMA_cap = 0;
3274 }
3275 }
3276 printf(" IDE controller (rev. 0x%02x)\n", PCI_REVISION(pa->pa_class));
3277 printf("%s: bus-master DMA support present",
3278 sc->sc_wdcdev.sc_dev.dv_xname);
3279 pciide_mapreg_dma(sc, pa);
3280 printf("\n");
3281
3282 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
3283 WDC_CAPABILITY_MODE;
3284 if (sc->sc_dma_ok) {
3285 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
3286 sc->sc_wdcdev.irqack = pciide_irqack;
3287 if (sc->sis_type >= SIS_TYPE_66)
3288 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
3289 }
3290
3291 sc->sc_wdcdev.PIO_cap = 4;
3292 sc->sc_wdcdev.DMA_cap = 2;
3293
3294 sc->sc_wdcdev.channels = sc->wdc_chanarray;
3295 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
3296 switch(sc->sis_type) {
3297 case SIS_TYPE_NOUDMA:
3298 case SIS_TYPE_66:
3299 case SIS_TYPE_100OLD:
3300 sc->sc_wdcdev.set_modes = sis_setup_channel;
3301 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC,
3302 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) |
3303 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE | SIS_MISC_GTC);
3304 break;
3305 case SIS_TYPE_100NEW:
3306 case SIS_TYPE_133OLD:
3307 sc->sc_wdcdev.set_modes = sis_setup_channel;
3308 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_49,
3309 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_49) | 0x01);
3310 break;
3311 case SIS_TYPE_133NEW:
3312 sc->sc_wdcdev.set_modes = sis96x_setup_channel;
3313 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_50,
3314 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_50) & 0xf7);
3315 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_52,
3316 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_52) & 0xf7);
3317 break;
3318 }
3319
3320
3321 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
3322 cp = &sc->pciide_channels[channel];
3323 if (pciide_chansetup(sc, channel, interface) == 0)
3324 continue;
3325 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) ||
3326 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) {
3327 printf("%s: %s channel ignored (disabled)\n",
3328 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
3329 continue;
3330 }
3331 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
3332 pciide_pci_intr);
3333 if (cp->hw_ok == 0)
3334 continue;
3335 if (pciide_chan_candisable(cp)) {
3336 if (channel == 0)
3337 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN;
3338 else
3339 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN;
3340 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0,
3341 sis_ctr0);
3342 }
3343 pciide_map_compat_intr(pa, cp, channel, interface);
3344 if (cp->hw_ok == 0)
3345 continue;
3346 sc->sc_wdcdev.set_modes(&cp->wdc_channel);
3347 }
3348 }
3349
3350 void
3351 sis96x_setup_channel(chp)
3352 struct channel_softc *chp;
3353 {
3354 struct ata_drive_datas *drvp;
3355 int drive;
3356 u_int32_t sis_tim;
3357 u_int32_t idedma_ctl;
3358 int regtim;
3359 struct pciide_channel *cp = (struct pciide_channel*)chp;
3360 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
3361
3362 sis_tim = 0;
3363 idedma_ctl = 0;
3364 /* setup DMA if needed */
3365 pciide_channel_dma_setup(cp);
3366
3367 for (drive = 0; drive < 2; drive++) {
3368 regtim = SIS_TIM133(
3369 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57),
3370 chp->channel, drive);
3371 drvp = &chp->ch_drive[drive];
3372 /* If no drive, skip */
3373 if ((drvp->drive_flags & DRIVE) == 0)
3374 continue;
3375 /* add timing values, setup DMA if needed */
3376 if (drvp->drive_flags & DRIVE_UDMA) {
3377 /* use Ultra/DMA */
3378 drvp->drive_flags &= ~DRIVE_DMA;
3379 if (pciide_pci_read(sc->sc_pc, sc->sc_tag,
3380 SIS96x_REG_CBL(chp->channel)) & SIS96x_REG_CBL_33) {
3381 if (drvp->UDMA_mode > 2)
3382 drvp->UDMA_mode = 2;
3383 }
3384 sis_tim |= sis_udma133new_tim[drvp->UDMA_mode];
3385 sis_tim |= sis_pio133new_tim[drvp->PIO_mode];
3386 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
3387 } else if (drvp->drive_flags & DRIVE_DMA) {
3388 /*
3389 * use Multiword DMA
3390 * Timings will be used for both PIO and DMA,
3391 * so adjust DMA mode if needed
3392 */
3393 if (drvp->PIO_mode > (drvp->DMA_mode + 2))
3394 drvp->PIO_mode = drvp->DMA_mode + 2;
3395 if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
3396 drvp->DMA_mode = (drvp->PIO_mode > 2) ?
3397 drvp->PIO_mode - 2 : 0;
3398 sis_tim |= sis_dma133new_tim[drvp->DMA_mode];
3399 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
3400 } else {
3401 sis_tim |= sis_pio133new_tim[drvp->PIO_mode];
3402 }
3403 WDCDEBUG_PRINT(("sis96x_setup_channel: new timings reg for "
3404 "channel %d drive %d: 0x%x (reg 0x%x)\n",
3405 chp->channel, drive, sis_tim, regtim), DEBUG_PROBE);
3406 pci_conf_write(sc->sc_pc, sc->sc_tag, regtim, sis_tim);
3407 }
3408 if (idedma_ctl != 0) {
3409 /* Add software bits in status register */
3410 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
3411 IDEDMA_CTL+ (IDEDMA_SCH_OFFSET * chp->channel),
3412 idedma_ctl);
3413 }
3414 pciide_print_modes(cp);
3415 }
3416
3417 void
3418 sis_setup_channel(chp)
3419 struct channel_softc *chp;
3420 {
3421 struct ata_drive_datas *drvp;
3422 int drive;
3423 u_int32_t sis_tim;
3424 u_int32_t idedma_ctl;
3425 struct pciide_channel *cp = (struct pciide_channel*)chp;
3426 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
3427
3428 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for "
3429 "channel %d 0x%x\n", chp->channel,
3430 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))),
3431 DEBUG_PROBE);
3432 sis_tim = 0;
3433 idedma_ctl = 0;
3434 /* setup DMA if needed */
3435 pciide_channel_dma_setup(cp);
3436
3437 for (drive = 0; drive < 2; drive++) {
3438 drvp = &chp->ch_drive[drive];
3439 /* If no drive, skip */
3440 if ((drvp->drive_flags & DRIVE) == 0)
3441 continue;
3442 /* add timing values, setup DMA if needed */
3443 if ((drvp->drive_flags & DRIVE_DMA) == 0 &&
3444 (drvp->drive_flags & DRIVE_UDMA) == 0)
3445 goto pio;
3446
3447 if (drvp->drive_flags & DRIVE_UDMA) {
3448 /* use Ultra/DMA */
3449 drvp->drive_flags &= ~DRIVE_DMA;
3450 if (pciide_pci_read(sc->sc_pc, sc->sc_tag,
3451 SIS_REG_CBL) & SIS_REG_CBL_33(chp->channel)) {
3452 if (drvp->UDMA_mode > 2)
3453 drvp->UDMA_mode = 2;
3454 }
3455 switch (sc->sis_type) {
3456 case SIS_TYPE_66:
3457 case SIS_TYPE_100OLD:
3458 sis_tim |= sis_udma66_tim[drvp->UDMA_mode] <<
3459 SIS_TIM66_UDMA_TIME_OFF(drive);
3460 break;
3461 case SIS_TYPE_100NEW:
3462 sis_tim |=
3463 sis_udma100new_tim[drvp->UDMA_mode] <<
3464 SIS_TIM100_UDMA_TIME_OFF(drive);
3465 case SIS_TYPE_133OLD:
3466 sis_tim |=
3467 sis_udma133old_tim[drvp->UDMA_mode] <<
3468 SIS_TIM100_UDMA_TIME_OFF(drive);
3469 break;
3470 default:
3471 printf("unknown SiS IDE type %d\n",
3472 sc->sis_type);
3473 }
3474 } else {
3475 /*
3476 * use Multiword DMA
3477 * Timings will be used for both PIO and DMA,
3478 * so adjust DMA mode if needed
3479 */
3480 if (drvp->PIO_mode > (drvp->DMA_mode + 2))
3481 drvp->PIO_mode = drvp->DMA_mode + 2;
3482 if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
3483 drvp->DMA_mode = (drvp->PIO_mode > 2) ?
3484 drvp->PIO_mode - 2 : 0;
3485 if (drvp->DMA_mode == 0)
3486 drvp->PIO_mode = 0;
3487 }
3488 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
3489 pio: switch (sc->sis_type) {
3490 case SIS_TYPE_66:
3491 case SIS_TYPE_100OLD:
3492 sis_tim |= sis_pio_act[drvp->PIO_mode] <<
3493 SIS_TIM66_ACT_OFF(drive);
3494 sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
3495 SIS_TIM66_REC_OFF(drive);
3496 break;
3497 case SIS_TYPE_100NEW:
3498 case SIS_TYPE_133OLD:
3499 sis_tim |= sis_pio_act[drvp->PIO_mode] <<
3500 SIS_TIM100_ACT_OFF(drive);
3501 sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
3502 SIS_TIM100_REC_OFF(drive);
3503 break;
3504 default:
3505 printf("unknown SiS IDE type %d\n",
3506 sc->sis_type);
3507 }
3508 }
3509 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for "
3510 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE);
3511 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim);
3512 if (idedma_ctl != 0) {
3513 /* Add software bits in status register */
3514 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
3515 IDEDMA_CTL+ (IDEDMA_SCH_OFFSET * chp->channel),
3516 idedma_ctl);
3517 }
3518 pciide_print_modes(cp);
3519 }
3520
3521 void
3522 acer_chip_map(sc, pa)
3523 struct pciide_softc *sc;
3524 struct pci_attach_args *pa;
3525 {
3526 struct pciide_channel *cp;
3527 int channel;
3528 pcireg_t cr, interface;
3529 bus_size_t cmdsize, ctlsize;
3530 pcireg_t rev = PCI_REVISION(pa->pa_class);
3531
3532 if (pciide_chipen(sc, pa) == 0)
3533 return;
3534 printf("%s: bus-master DMA support present",
3535 sc->sc_wdcdev.sc_dev.dv_xname);
3536 pciide_mapreg_dma(sc, pa);
3537 printf("\n");
3538 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
3539 WDC_CAPABILITY_MODE;
3540 if (sc->sc_dma_ok) {
3541 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA;
3542 if (rev >= 0x20) {
3543 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
3544 if (rev >= 0xC4)
3545 sc->sc_wdcdev.UDMA_cap = 5;
3546 else if (rev >= 0xC2)
3547 sc->sc_wdcdev.UDMA_cap = 4;
3548 else
3549 sc->sc_wdcdev.UDMA_cap = 2;
3550 }
3551 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
3552 sc->sc_wdcdev.irqack = pciide_irqack;
3553 }
3554
3555 sc->sc_wdcdev.PIO_cap = 4;
3556 sc->sc_wdcdev.DMA_cap = 2;
3557 sc->sc_wdcdev.set_modes = acer_setup_channel;
3558 sc->sc_wdcdev.channels = sc->wdc_chanarray;
3559 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
3560
3561 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC,
3562 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) |
3563 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE);
3564
3565 /* Enable "microsoft register bits" R/W. */
3566 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3,
3567 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI);
3568 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1,
3569 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) &
3570 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1)));
3571 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2,
3572 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) &
3573 ~ACER_CHANSTATUSREGS_RO);
3574 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG);
3575 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT);
3576 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr);
3577 /* Don't use cr, re-read the real register content instead */
3578 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag,
3579 PCI_CLASS_REG));
3580
3581 /* From linux: enable "Cable Detection" */
3582 if (rev >= 0xC2) {
3583 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x4B,
3584 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4B)
3585 | ACER_0x4B_CDETECT);
3586 }
3587
3588 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
3589 cp = &sc->pciide_channels[channel];
3590 if (pciide_chansetup(sc, channel, interface) == 0)
3591 continue;
3592 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) {
3593 printf("%s: %s channel ignored (disabled)\n",
3594 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
3595 continue;
3596 }
3597 /* newer controllers seems to lack the ACER_CHIDS. Sigh */
3598 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
3599 (rev >= 0xC2) ? pciide_pci_intr : acer_pci_intr);
3600 if (cp->hw_ok == 0)
3601 continue;
3602 if (pciide_chan_candisable(cp)) {
3603 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT);
3604 pci_conf_write(sc->sc_pc, sc->sc_tag,
3605 PCI_CLASS_REG, cr);
3606 }
3607 pciide_map_compat_intr(pa, cp, channel, interface);
3608 acer_setup_channel(&cp->wdc_channel);
3609 }
3610 }
3611
3612 void
3613 acer_setup_channel(chp)
3614 struct channel_softc *chp;
3615 {
3616 struct ata_drive_datas *drvp;
3617 int drive;
3618 u_int32_t acer_fifo_udma;
3619 u_int32_t idedma_ctl;
3620 struct pciide_channel *cp = (struct pciide_channel*)chp;
3621 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
3622
3623 idedma_ctl = 0;
3624 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA);
3625 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n",
3626 acer_fifo_udma), DEBUG_PROBE);
3627 /* setup DMA if needed */
3628 pciide_channel_dma_setup(cp);
3629
3630 if ((chp->ch_drive[0].drive_flags | chp->ch_drive[1].drive_flags) &
3631 DRIVE_UDMA) { /* check 80 pins cable */
3632 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4A) &
3633 ACER_0x4A_80PIN(chp->channel)) {
3634 if (chp->ch_drive[0].UDMA_mode > 2)
3635 chp->ch_drive[0].UDMA_mode = 2;
3636 if (chp->ch_drive[1].UDMA_mode > 2)
3637 chp->ch_drive[1].UDMA_mode = 2;
3638 }
3639 }
3640
3641 for (drive = 0; drive < 2; drive++) {
3642 drvp = &chp->ch_drive[drive];
3643 /* If no drive, skip */
3644 if ((drvp->drive_flags & DRIVE) == 0)
3645 continue;
3646 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for "
3647 "channel %d drive %d 0x%x\n", chp->channel, drive,
3648 pciide_pci_read(sc->sc_pc, sc->sc_tag,
3649 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE);
3650 /* clear FIFO/DMA mode */
3651 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) |
3652 ACER_UDMA_EN(chp->channel, drive) |
3653 ACER_UDMA_TIM(chp->channel, drive, 0x7));
3654
3655 /* add timing values, setup DMA if needed */
3656 if ((drvp->drive_flags & DRIVE_DMA) == 0 &&
3657 (drvp->drive_flags & DRIVE_UDMA) == 0) {
3658 acer_fifo_udma |=
3659 ACER_FTH_OPL(chp->channel, drive, 0x1);
3660 goto pio;
3661 }
3662
3663 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2);
3664 if (drvp->drive_flags & DRIVE_UDMA) {
3665 /* use Ultra/DMA */
3666 drvp->drive_flags &= ~DRIVE_DMA;
3667 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive);
3668 acer_fifo_udma |=
3669 ACER_UDMA_TIM(chp->channel, drive,
3670 acer_udma[drvp->UDMA_mode]);
3671 /* XXX disable if one drive < UDMA3 ? */
3672 if (drvp->UDMA_mode >= 3) {
3673 pciide_pci_write(sc->sc_pc, sc->sc_tag,
3674 ACER_0x4B,
3675 pciide_pci_read(sc->sc_pc, sc->sc_tag,
3676 ACER_0x4B) | ACER_0x4B_UDMA66);
3677 }
3678 } else {
3679 /*
3680 * use Multiword DMA
3681 * Timings will be used for both PIO and DMA,
3682 * so adjust DMA mode if needed
3683 */
3684 if (drvp->PIO_mode > (drvp->DMA_mode + 2))
3685 drvp->PIO_mode = drvp->DMA_mode + 2;
3686 if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
3687 drvp->DMA_mode = (drvp->PIO_mode > 2) ?
3688 drvp->PIO_mode - 2 : 0;
3689 if (drvp->DMA_mode == 0)
3690 drvp->PIO_mode = 0;
3691 }
3692 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
3693 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag,
3694 ACER_IDETIM(chp->channel, drive),
3695 acer_pio[drvp->PIO_mode]);
3696 }
3697 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n",
3698 acer_fifo_udma), DEBUG_PROBE);
3699 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma);
3700 if (idedma_ctl != 0) {
3701 /* Add software bits in status register */
3702 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
3703 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
3704 idedma_ctl);
3705 }
3706 pciide_print_modes(cp);
3707 }
3708
3709 int
3710 acer_pci_intr(arg)
3711 void *arg;
3712 {
3713 struct pciide_softc *sc = arg;
3714 struct pciide_channel *cp;
3715 struct channel_softc *wdc_cp;
3716 int i, rv, crv;
3717 u_int32_t chids;
3718
3719 rv = 0;
3720 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS);
3721 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
3722 cp = &sc->pciide_channels[i];
3723 wdc_cp = &cp->wdc_channel;
3724 /* If a compat channel skip. */
3725 if (cp->compat)
3726 continue;
3727 if (chids & ACER_CHIDS_INT(i)) {
3728 crv = wdcintr(wdc_cp);
3729 if (crv == 0)
3730 printf("%s:%d: bogus intr\n",
3731 sc->sc_wdcdev.sc_dev.dv_xname, i);
3732 else
3733 rv = 1;
3734 }
3735 }
3736 return rv;
3737 }
3738
3739 void
3740 hpt_chip_map(sc, pa)
3741 struct pciide_softc *sc;
3742 struct pci_attach_args *pa;
3743 {
3744 struct pciide_channel *cp;
3745 int i, compatchan, revision;
3746 pcireg_t interface;
3747 bus_size_t cmdsize, ctlsize;
3748
3749 if (pciide_chipen(sc, pa) == 0)
3750 return;
3751 revision = PCI_REVISION(pa->pa_class);
3752 printf(": Triones/Highpoint ");
3753 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
3754 printf("HPT374 IDE Controller\n");
3755 else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372)
3756 printf("HPT372 IDE Controller\n");
3757 else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366) {
3758 if (revision == HPT372_REV)
3759 printf("HPT372 IDE Controller\n");
3760 else if (revision == HPT370_REV)
3761 printf("HPT370 IDE Controller\n");
3762 else if (revision == HPT370A_REV)
3763 printf("HPT370A IDE Controller\n");
3764 else if (revision == HPT366_REV)
3765 printf("HPT366 IDE Controller\n");
3766 else
3767 printf("unknown HPT IDE controller rev %d\n", revision);
3768 } else
3769 printf("unknown HPT IDE controller 0x%x\n",
3770 sc->sc_pp->ide_product);
3771
3772 /*
3773 * when the chip is in native mode it identifies itself as a
3774 * 'misc mass storage'. Fake interface in this case.
3775 */
3776 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
3777 interface = PCI_INTERFACE(pa->pa_class);
3778 } else {
3779 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
3780 PCIIDE_INTERFACE_PCI(0);
3781 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
3782 (revision == HPT370_REV || revision == HPT370A_REV ||
3783 revision == HPT372_REV)) ||
3784 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 ||
3785 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
3786 interface |= PCIIDE_INTERFACE_PCI(1);
3787 }
3788
3789 printf("%s: bus-master DMA support present",
3790 sc->sc_wdcdev.sc_dev.dv_xname);
3791 pciide_mapreg_dma(sc, pa);
3792 printf("\n");
3793 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
3794 WDC_CAPABILITY_MODE;
3795 if (sc->sc_dma_ok) {
3796 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
3797 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
3798 sc->sc_wdcdev.irqack = pciide_irqack;
3799 }
3800 sc->sc_wdcdev.PIO_cap = 4;
3801 sc->sc_wdcdev.DMA_cap = 2;
3802
3803 sc->sc_wdcdev.set_modes = hpt_setup_channel;
3804 sc->sc_wdcdev.channels = sc->wdc_chanarray;
3805 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
3806 revision == HPT366_REV) {
3807 sc->sc_wdcdev.UDMA_cap = 4;
3808 /*
3809 * The 366 has 2 PCI IDE functions, one for primary and one
3810 * for secondary. So we need to call pciide_mapregs_compat()
3811 * with the real channel
3812 */
3813 if (pa->pa_function == 0) {
3814 compatchan = 0;
3815 } else if (pa->pa_function == 1) {
3816 compatchan = 1;
3817 } else {
3818 printf("%s: unexpected PCI function %d\n",
3819 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function);
3820 return;
3821 }
3822 sc->sc_wdcdev.nchannels = 1;
3823 } else {
3824 sc->sc_wdcdev.nchannels = 2;
3825 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374 ||
3826 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 ||
3827 (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
3828 revision == HPT372_REV))
3829 sc->sc_wdcdev.UDMA_cap = 6;
3830 else
3831 sc->sc_wdcdev.UDMA_cap = 5;
3832 }
3833 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
3834 cp = &sc->pciide_channels[i];
3835 if (sc->sc_wdcdev.nchannels > 1) {
3836 compatchan = i;
3837 if((pciide_pci_read(sc->sc_pc, sc->sc_tag,
3838 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) {
3839 printf("%s: %s channel ignored (disabled)\n",
3840 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
3841 continue;
3842 }
3843 }
3844 if (pciide_chansetup(sc, i, interface) == 0)
3845 continue;
3846 if (interface & PCIIDE_INTERFACE_PCI(i)) {
3847 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize,
3848 &ctlsize, hpt_pci_intr);
3849 } else {
3850 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan,
3851 &cmdsize, &ctlsize);
3852 }
3853 if (cp->hw_ok == 0)
3854 return;
3855 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot;
3856 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh;
3857 wdcattach(&cp->wdc_channel);
3858 hpt_setup_channel(&cp->wdc_channel);
3859 }
3860 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
3861 (revision == HPT370_REV || revision == HPT370A_REV ||
3862 revision == HPT372_REV)) ||
3863 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 ||
3864 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) {
3865 /*
3866 * HPT370_REV and highter has a bit to disable interrupts,
3867 * make sure to clear it
3868 */
3869 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL,
3870 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) &
3871 ~HPT_CSEL_IRQDIS);
3872 }
3873 /* set clocks, etc (mandatory on 372/4, optional otherwise) */
3874 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
3875 revision == HPT372_REV ) ||
3876 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 ||
3877 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
3878 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_SC2,
3879 (pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_SC2) &
3880 HPT_SC2_MAEN) | HPT_SC2_OSC_EN);
3881 return;
3882 }
3883
3884 void
3885 hpt_setup_channel(chp)
3886 struct channel_softc *chp;
3887 {
3888 struct ata_drive_datas *drvp;
3889 int drive;
3890 int cable;
3891 u_int32_t before, after;
3892 u_int32_t idedma_ctl;
3893 struct pciide_channel *cp = (struct pciide_channel*)chp;
3894 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
3895 int revision =
3896 PCI_REVISION(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
3897
3898 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL);
3899
3900 /* setup DMA if needed */
3901 pciide_channel_dma_setup(cp);
3902
3903 idedma_ctl = 0;
3904
3905 /* Per drive settings */
3906 for (drive = 0; drive < 2; drive++) {
3907 drvp = &chp->ch_drive[drive];
3908 /* If no drive, skip */
3909 if ((drvp->drive_flags & DRIVE) == 0)
3910 continue;
3911 before = pci_conf_read(sc->sc_pc, sc->sc_tag,
3912 HPT_IDETIM(chp->channel, drive));
3913
3914 /* add timing values, setup DMA if needed */
3915 if (drvp->drive_flags & DRIVE_UDMA) {
3916 /* use Ultra/DMA */
3917 drvp->drive_flags &= ~DRIVE_DMA;
3918 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 &&
3919 drvp->UDMA_mode > 2)
3920 drvp->UDMA_mode = 2;
3921 switch (sc->sc_pp->ide_product) {
3922 case PCI_PRODUCT_TRIONES_HPT374:
3923 after = hpt374_udma[drvp->UDMA_mode];
3924 break;
3925 case PCI_PRODUCT_TRIONES_HPT372:
3926 after = hpt372_udma[drvp->UDMA_mode];
3927 break;
3928 case PCI_PRODUCT_TRIONES_HPT366:
3929 default:
3930 switch(revision) {
3931 case HPT372_REV:
3932 after = hpt372_udma[drvp->UDMA_mode];
3933 break;
3934 case HPT370_REV:
3935 case HPT370A_REV:
3936 after = hpt370_udma[drvp->UDMA_mode];
3937 break;
3938 case HPT366_REV:
3939 default:
3940 after = hpt366_udma[drvp->UDMA_mode];
3941 break;
3942 }
3943 }
3944 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
3945 } else if (drvp->drive_flags & DRIVE_DMA) {
3946 /*
3947 * use Multiword DMA.
3948 * Timings will be used for both PIO and DMA, so adjust
3949 * DMA mode if needed
3950 */
3951 if (drvp->PIO_mode >= 3 &&
3952 (drvp->DMA_mode + 2) > drvp->PIO_mode) {
3953 drvp->DMA_mode = drvp->PIO_mode - 2;
3954 }
3955 switch (sc->sc_pp->ide_product) {
3956 case PCI_PRODUCT_TRIONES_HPT374:
3957 after = hpt374_dma[drvp->DMA_mode];
3958 break;
3959 case PCI_PRODUCT_TRIONES_HPT372:
3960 after = hpt372_dma[drvp->DMA_mode];
3961 break;
3962 case PCI_PRODUCT_TRIONES_HPT366:
3963 default:
3964 switch(revision) {
3965 case HPT372_REV:
3966 after = hpt372_dma[drvp->DMA_mode];
3967 break;
3968 case HPT370_REV:
3969 case HPT370A_REV:
3970 after = hpt370_dma[drvp->DMA_mode];
3971 break;
3972 case HPT366_REV:
3973 default:
3974 after = hpt366_dma[drvp->DMA_mode];
3975 break;
3976 }
3977 }
3978 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
3979 } else {
3980 /* PIO only */
3981 switch (sc->sc_pp->ide_product) {
3982 case PCI_PRODUCT_TRIONES_HPT374:
3983 after = hpt374_pio[drvp->PIO_mode];
3984 break;
3985 case PCI_PRODUCT_TRIONES_HPT372:
3986 after = hpt372_pio[drvp->PIO_mode];
3987 break;
3988 case PCI_PRODUCT_TRIONES_HPT366:
3989 default:
3990 switch(revision) {
3991 case HPT372_REV:
3992 after = hpt372_pio[drvp->PIO_mode];
3993 break;
3994 case HPT370_REV:
3995 case HPT370A_REV:
3996 after = hpt370_pio[drvp->PIO_mode];
3997 break;
3998 case HPT366_REV:
3999 default:
4000 after = hpt366_pio[drvp->PIO_mode];
4001 break;
4002 }
4003 }
4004 }
4005 pci_conf_write(sc->sc_pc, sc->sc_tag,
4006 HPT_IDETIM(chp->channel, drive), after);
4007 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x "
4008 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname,
4009 after, before), DEBUG_PROBE);
4010 }
4011 if (idedma_ctl != 0) {
4012 /* Add software bits in status register */
4013 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4014 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
4015 idedma_ctl);
4016 }
4017 pciide_print_modes(cp);
4018 }
4019
4020 int
4021 hpt_pci_intr(arg)
4022 void *arg;
4023 {
4024 struct pciide_softc *sc = arg;
4025 struct pciide_channel *cp;
4026 struct channel_softc *wdc_cp;
4027 int rv = 0;
4028 int dmastat, i, crv;
4029
4030 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
4031 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4032 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i);
4033 if((dmastat & ( IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) !=
4034 IDEDMA_CTL_INTR)
4035 continue;
4036 cp = &sc->pciide_channels[i];
4037 wdc_cp = &cp->wdc_channel;
4038 crv = wdcintr(wdc_cp);
4039 if (crv == 0) {
4040 printf("%s:%d: bogus intr\n",
4041 sc->sc_wdcdev.sc_dev.dv_xname, i);
4042 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4043 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat);
4044 } else
4045 rv = 1;
4046 }
4047 return rv;
4048 }
4049
4050
4051 /* Macros to test product */
4052 #define PDC_IS_262(sc) \
4053 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \
4054 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \
4055 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X || \
4056 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \
4057 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \
4058 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \
4059 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \
4060 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \
4061 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \
4062 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE)
4063 #define PDC_IS_265(sc) \
4064 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \
4065 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X || \
4066 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \
4067 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \
4068 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \
4069 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \
4070 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \
4071 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \
4072 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE)
4073 #define PDC_IS_268(sc) \
4074 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \
4075 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \
4076 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \
4077 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \
4078 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \
4079 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \
4080 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE)
4081 #define PDC_IS_276(sc) \
4082 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \
4083 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \
4084 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \
4085 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \
4086 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE)
4087
4088 void
4089 pdc202xx_chip_map(sc, pa)
4090 struct pciide_softc *sc;
4091 struct pci_attach_args *pa;
4092 {
4093 struct pciide_channel *cp;
4094 int channel;
4095 pcireg_t interface, st, mode;
4096 bus_size_t cmdsize, ctlsize;
4097
4098 if (!PDC_IS_268(sc)) {
4099 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE);
4100 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n",
4101 st), DEBUG_PROBE);
4102 }
4103 if (pciide_chipen(sc, pa) == 0)
4104 return;
4105
4106 /* turn off RAID mode */
4107 if (!PDC_IS_268(sc))
4108 st &= ~PDC2xx_STATE_IDERAID;
4109
4110 /*
4111 * can't rely on the PCI_CLASS_REG content if the chip was in raid
4112 * mode. We have to fake interface
4113 */
4114 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1);
4115 if (PDC_IS_268(sc) || (st & PDC2xx_STATE_NATIVE))
4116 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
4117
4118 printf("%s: bus-master DMA support present",
4119 sc->sc_wdcdev.sc_dev.dv_xname);
4120 pciide_mapreg_dma(sc, pa);
4121 printf("\n");
4122 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
4123 WDC_CAPABILITY_MODE;
4124 if (sc->sc_dma_ok) {
4125 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
4126 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
4127 sc->sc_wdcdev.irqack = pciide_irqack;
4128 }
4129 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE &&
4130 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID)
4131 sc->sc_wdcdev.cap |= WDC_CAPABILITY_RAID;
4132 sc->sc_wdcdev.PIO_cap = 4;
4133 sc->sc_wdcdev.DMA_cap = 2;
4134 if (PDC_IS_276(sc))
4135 sc->sc_wdcdev.UDMA_cap = 6;
4136 else if (PDC_IS_265(sc))
4137 sc->sc_wdcdev.UDMA_cap = 5;
4138 else if (PDC_IS_262(sc))
4139 sc->sc_wdcdev.UDMA_cap = 4;
4140 else
4141 sc->sc_wdcdev.UDMA_cap = 2;
4142 sc->sc_wdcdev.set_modes = PDC_IS_268(sc) ?
4143 pdc20268_setup_channel : pdc202xx_setup_channel;
4144 sc->sc_wdcdev.channels = sc->wdc_chanarray;
4145 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
4146
4147 if (!PDC_IS_268(sc)) {
4148 /* setup failsafe defaults */
4149 mode = 0;
4150 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]);
4151 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]);
4152 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]);
4153 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]);
4154 for (channel = 0;
4155 channel < sc->sc_wdcdev.nchannels;
4156 channel++) {
4157 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d "
4158 "drive 0 initial timings 0x%x, now 0x%x\n",
4159 channel, pci_conf_read(sc->sc_pc, sc->sc_tag,
4160 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp),
4161 DEBUG_PROBE);
4162 pci_conf_write(sc->sc_pc, sc->sc_tag,
4163 PDC2xx_TIM(channel, 0), mode | PDC2xx_TIM_IORDYp);
4164 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d "
4165 "drive 1 initial timings 0x%x, now 0x%x\n",
4166 channel, pci_conf_read(sc->sc_pc, sc->sc_tag,
4167 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE);
4168 pci_conf_write(sc->sc_pc, sc->sc_tag,
4169 PDC2xx_TIM(channel, 1), mode);
4170 }
4171
4172 mode = PDC2xx_SCR_DMA;
4173 if (PDC_IS_262(sc)) {
4174 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT);
4175 } else {
4176 /* the BIOS set it up this way */
4177 mode = PDC2xx_SCR_SET_GEN(mode, 0x1);
4178 }
4179 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */
4180 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */
4181 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, "
4182 "now 0x%x\n",
4183 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh,
4184 PDC2xx_SCR),
4185 mode), DEBUG_PROBE);
4186 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
4187 PDC2xx_SCR, mode);
4188
4189 /* controller initial state register is OK even without BIOS */
4190 /* Set DMA mode to IDE DMA compatibility */
4191 mode =
4192 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM);
4193 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode),
4194 DEBUG_PROBE);
4195 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM,
4196 mode | 0x1);
4197 mode =
4198 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM);
4199 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE);
4200 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM,
4201 mode | 0x1);
4202 }
4203
4204 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
4205 cp = &sc->pciide_channels[channel];
4206 if (pciide_chansetup(sc, channel, interface) == 0)
4207 continue;
4208 if (!PDC_IS_268(sc) && (st & (PDC_IS_262(sc) ?
4209 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) {
4210 printf("%s: %s channel ignored (disabled)\n",
4211 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
4212 continue;
4213 }
4214 if (PDC_IS_265(sc))
4215 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
4216 pdc20265_pci_intr);
4217 else
4218 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
4219 pdc202xx_pci_intr);
4220 if (cp->hw_ok == 0)
4221 continue;
4222 if (!PDC_IS_268(sc) && pciide_chan_candisable(cp))
4223 st &= ~(PDC_IS_262(sc) ?
4224 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel));
4225 pciide_map_compat_intr(pa, cp, channel, interface);
4226 sc->sc_wdcdev.set_modes(&cp->wdc_channel);
4227 }
4228 if (!PDC_IS_268(sc)) {
4229 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state "
4230 "0x%x\n", st), DEBUG_PROBE);
4231 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st);
4232 }
4233 return;
4234 }
4235
4236 void
4237 pdc202xx_setup_channel(chp)
4238 struct channel_softc *chp;
4239 {
4240 struct ata_drive_datas *drvp;
4241 int drive;
4242 pcireg_t mode, st;
4243 u_int32_t idedma_ctl, scr, atapi;
4244 struct pciide_channel *cp = (struct pciide_channel*)chp;
4245 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
4246 int channel = chp->channel;
4247
4248 /* setup DMA if needed */
4249 pciide_channel_dma_setup(cp);
4250
4251 idedma_ctl = 0;
4252 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s: scr 0x%x\n",
4253 sc->sc_wdcdev.sc_dev.dv_xname,
4254 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66)),
4255 DEBUG_PROBE);
4256
4257 /* Per channel settings */
4258 if (PDC_IS_262(sc)) {
4259 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4260 PDC262_U66);
4261 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE);
4262 /* Trim UDMA mode */
4263 if ((st & PDC262_STATE_80P(channel)) != 0 ||
4264 (chp->ch_drive[0].drive_flags & DRIVE_UDMA &&
4265 chp->ch_drive[0].UDMA_mode <= 2) ||
4266 (chp->ch_drive[1].drive_flags & DRIVE_UDMA &&
4267 chp->ch_drive[1].UDMA_mode <= 2)) {
4268 if (chp->ch_drive[0].UDMA_mode > 2)
4269 chp->ch_drive[0].UDMA_mode = 2;
4270 if (chp->ch_drive[1].UDMA_mode > 2)
4271 chp->ch_drive[1].UDMA_mode = 2;
4272 }
4273 /* Set U66 if needed */
4274 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA &&
4275 chp->ch_drive[0].UDMA_mode > 2) ||
4276 (chp->ch_drive[1].drive_flags & DRIVE_UDMA &&
4277 chp->ch_drive[1].UDMA_mode > 2))
4278 scr |= PDC262_U66_EN(channel);
4279 else
4280 scr &= ~PDC262_U66_EN(channel);
4281 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4282 PDC262_U66, scr);
4283 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s:%d: ATAPI 0x%x\n",
4284 sc->sc_wdcdev.sc_dev.dv_xname, channel,
4285 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh,
4286 PDC262_ATAPI(channel))), DEBUG_PROBE);
4287 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI ||
4288 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) {
4289 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) &&
4290 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) &&
4291 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) ||
4292 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) &&
4293 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) &&
4294 (chp->ch_drive[0].drive_flags & DRIVE_DMA)))
4295 atapi = 0;
4296 else
4297 atapi = PDC262_ATAPI_UDMA;
4298 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
4299 PDC262_ATAPI(channel), atapi);
4300 }
4301 }
4302 for (drive = 0; drive < 2; drive++) {
4303 drvp = &chp->ch_drive[drive];
4304 /* If no drive, skip */
4305 if ((drvp->drive_flags & DRIVE) == 0)
4306 continue;
4307 mode = 0;
4308 if (drvp->drive_flags & DRIVE_UDMA) {
4309 /* use Ultra/DMA */
4310 drvp->drive_flags &= ~DRIVE_DMA;
4311 mode = PDC2xx_TIM_SET_MB(mode,
4312 pdc2xx_udma_mb[drvp->UDMA_mode]);
4313 mode = PDC2xx_TIM_SET_MC(mode,
4314 pdc2xx_udma_mc[drvp->UDMA_mode]);
4315 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
4316 } else if (drvp->drive_flags & DRIVE_DMA) {
4317 mode = PDC2xx_TIM_SET_MB(mode,
4318 pdc2xx_dma_mb[drvp->DMA_mode]);
4319 mode = PDC2xx_TIM_SET_MC(mode,
4320 pdc2xx_dma_mc[drvp->DMA_mode]);
4321 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
4322 } else {
4323 mode = PDC2xx_TIM_SET_MB(mode,
4324 pdc2xx_dma_mb[0]);
4325 mode = PDC2xx_TIM_SET_MC(mode,
4326 pdc2xx_dma_mc[0]);
4327 }
4328 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]);
4329 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]);
4330 if (drvp->drive_flags & DRIVE_ATA)
4331 mode |= PDC2xx_TIM_PRE;
4332 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY;
4333 if (drvp->PIO_mode >= 3) {
4334 mode |= PDC2xx_TIM_IORDY;
4335 if (drive == 0)
4336 mode |= PDC2xx_TIM_IORDYp;
4337 }
4338 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d "
4339 "timings 0x%x\n",
4340 sc->sc_wdcdev.sc_dev.dv_xname,
4341 chp->channel, drive, mode), DEBUG_PROBE);
4342 pci_conf_write(sc->sc_pc, sc->sc_tag,
4343 PDC2xx_TIM(chp->channel, drive), mode);
4344 }
4345 if (idedma_ctl != 0) {
4346 /* Add software bits in status register */
4347 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4348 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
4349 idedma_ctl);
4350 }
4351 pciide_print_modes(cp);
4352 }
4353
4354 void
4355 pdc20268_setup_channel(chp)
4356 struct channel_softc *chp;
4357 {
4358 struct ata_drive_datas *drvp;
4359 int drive;
4360 u_int32_t idedma_ctl;
4361 struct pciide_channel *cp = (struct pciide_channel*)chp;
4362 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
4363 int u100;
4364
4365 /* setup DMA if needed */
4366 pciide_channel_dma_setup(cp);
4367
4368 idedma_ctl = 0;
4369
4370 /* I don't know what this is for, FreeBSD does it ... */
4371 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4372 IDEDMA_CMD + 0x1, 0x0b);
4373
4374 /*
4375 * I don't know what this is for; FreeBSD checks this ... this is not
4376 * cable type detect.
4377 */
4378 u100 = (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4379 IDEDMA_CMD + 0x3) & 0x04) ? 0 : 1;
4380
4381 for (drive = 0; drive < 2; drive++) {
4382 drvp = &chp->ch_drive[drive];
4383 /* If no drive, skip */
4384 if ((drvp->drive_flags & DRIVE) == 0)
4385 continue;
4386 if (drvp->drive_flags & DRIVE_UDMA) {
4387 /* use Ultra/DMA */
4388 drvp->drive_flags &= ~DRIVE_DMA;
4389 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
4390 if (drvp->UDMA_mode > 2 && u100 == 0)
4391 drvp->UDMA_mode = 2;
4392 } else if (drvp->drive_flags & DRIVE_DMA) {
4393 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
4394 }
4395 }
4396 /* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */
4397 if (idedma_ctl != 0) {
4398 /* Add software bits in status register */
4399 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4400 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
4401 idedma_ctl);
4402 }
4403 pciide_print_modes(cp);
4404 }
4405
4406 int
4407 pdc202xx_pci_intr(arg)
4408 void *arg;
4409 {
4410 struct pciide_softc *sc = arg;
4411 struct pciide_channel *cp;
4412 struct channel_softc *wdc_cp;
4413 int i, rv, crv;
4414 u_int32_t scr;
4415
4416 rv = 0;
4417 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR);
4418 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
4419 cp = &sc->pciide_channels[i];
4420 wdc_cp = &cp->wdc_channel;
4421 /* If a compat channel skip. */
4422 if (cp->compat)
4423 continue;
4424 if (scr & PDC2xx_SCR_INT(i)) {
4425 crv = wdcintr(wdc_cp);
4426 if (crv == 0)
4427 printf("%s:%d: bogus intr (reg 0x%x)\n",
4428 sc->sc_wdcdev.sc_dev.dv_xname, i, scr);
4429 else
4430 rv = 1;
4431 }
4432 }
4433 return rv;
4434 }
4435
4436 int
4437 pdc20265_pci_intr(arg)
4438 void *arg;
4439 {
4440 struct pciide_softc *sc = arg;
4441 struct pciide_channel *cp;
4442 struct channel_softc *wdc_cp;
4443 int i, rv, crv;
4444 u_int32_t dmastat;
4445
4446 rv = 0;
4447 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
4448 cp = &sc->pciide_channels[i];
4449 wdc_cp = &cp->wdc_channel;
4450 /* If a compat channel skip. */
4451 if (cp->compat)
4452 continue;
4453 /*
4454 * The Ultra/100 seems to assert PDC2xx_SCR_INT * spuriously,
4455 * however it asserts INT in IDEDMA_CTL even for non-DMA ops.
4456 * So use it instead (requires 2 reg reads instead of 1,
4457 * but we can't do it another way).
4458 */
4459 dmastat = bus_space_read_1(sc->sc_dma_iot,
4460 sc->sc_dma_ioh, IDEDMA_CTL + IDEDMA_SCH_OFFSET * i);
4461 if((dmastat & IDEDMA_CTL_INTR) == 0)
4462 continue;
4463 crv = wdcintr(wdc_cp);
4464 if (crv == 0)
4465 printf("%s:%d: bogus intr\n",
4466 sc->sc_wdcdev.sc_dev.dv_xname, i);
4467 else
4468 rv = 1;
4469 }
4470 return rv;
4471 }
4472
4473 void
4474 opti_chip_map(sc, pa)
4475 struct pciide_softc *sc;
4476 struct pci_attach_args *pa;
4477 {
4478 struct pciide_channel *cp;
4479 bus_size_t cmdsize, ctlsize;
4480 pcireg_t interface;
4481 u_int8_t init_ctrl;
4482 int channel;
4483
4484 if (pciide_chipen(sc, pa) == 0)
4485 return;
4486 printf("%s: bus-master DMA support present",
4487 sc->sc_wdcdev.sc_dev.dv_xname);
4488
4489 /*
4490 * XXXSCW:
4491 * There seem to be a couple of buggy revisions/implementations
4492 * of the OPTi pciide chipset. This kludge seems to fix one of
4493 * the reported problems (PR/11644) but still fails for the
4494 * other (PR/13151), although the latter may be due to other
4495 * issues too...
4496 */
4497 if (PCI_REVISION(pa->pa_class) <= 0x12) {
4498 printf(" but disabled due to chip rev. <= 0x12");
4499 sc->sc_dma_ok = 0;
4500 } else
4501 pciide_mapreg_dma(sc, pa);
4502
4503 printf("\n");
4504
4505 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_DATA16 |
4506 WDC_CAPABILITY_MODE;
4507 sc->sc_wdcdev.PIO_cap = 4;
4508 if (sc->sc_dma_ok) {
4509 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
4510 sc->sc_wdcdev.irqack = pciide_irqack;
4511 sc->sc_wdcdev.DMA_cap = 2;
4512 }
4513 sc->sc_wdcdev.set_modes = opti_setup_channel;
4514
4515 sc->sc_wdcdev.channels = sc->wdc_chanarray;
4516 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
4517
4518 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag,
4519 OPTI_REG_INIT_CONTROL);
4520
4521 interface = PCI_INTERFACE(pa->pa_class);
4522
4523 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
4524 cp = &sc->pciide_channels[channel];
4525 if (pciide_chansetup(sc, channel, interface) == 0)
4526 continue;
4527 if (channel == 1 &&
4528 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) {
4529 printf("%s: %s channel ignored (disabled)\n",
4530 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
4531 continue;
4532 }
4533 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
4534 pciide_pci_intr);
4535 if (cp->hw_ok == 0)
4536 continue;
4537 pciide_map_compat_intr(pa, cp, channel, interface);
4538 if (cp->hw_ok == 0)
4539 continue;
4540 opti_setup_channel(&cp->wdc_channel);
4541 }
4542 }
4543
4544 void
4545 opti_setup_channel(chp)
4546 struct channel_softc *chp;
4547 {
4548 struct ata_drive_datas *drvp;
4549 struct pciide_channel *cp = (struct pciide_channel*)chp;
4550 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
4551 int drive, spd;
4552 int mode[2];
4553 u_int8_t rv, mr;
4554
4555 /*
4556 * The `Delay' and `Address Setup Time' fields of the
4557 * Miscellaneous Register are always zero initially.
4558 */
4559 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK;
4560 mr &= ~(OPTI_MISC_DELAY_MASK |
4561 OPTI_MISC_ADDR_SETUP_MASK |
4562 OPTI_MISC_INDEX_MASK);
4563
4564 /* Prime the control register before setting timing values */
4565 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE);
4566
4567 /* Determine the clockrate of the PCIbus the chip is attached to */
4568 spd = (int) opti_read_config(chp, OPTI_REG_STRAP);
4569 spd &= OPTI_STRAP_PCI_SPEED_MASK;
4570
4571 /* setup DMA if needed */
4572 pciide_channel_dma_setup(cp);
4573
4574 for (drive = 0; drive < 2; drive++) {
4575 drvp = &chp->ch_drive[drive];
4576 /* If no drive, skip */
4577 if ((drvp->drive_flags & DRIVE) == 0) {
4578 mode[drive] = -1;
4579 continue;
4580 }
4581
4582 if ((drvp->drive_flags & DRIVE_DMA)) {
4583 /*
4584 * Timings will be used for both PIO and DMA,
4585 * so adjust DMA mode if needed
4586 */
4587 if (drvp->PIO_mode > (drvp->DMA_mode + 2))
4588 drvp->PIO_mode = drvp->DMA_mode + 2;
4589 if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
4590 drvp->DMA_mode = (drvp->PIO_mode > 2) ?
4591 drvp->PIO_mode - 2 : 0;
4592 if (drvp->DMA_mode == 0)
4593 drvp->PIO_mode = 0;
4594
4595 mode[drive] = drvp->DMA_mode + 5;
4596 } else
4597 mode[drive] = drvp->PIO_mode;
4598
4599 if (drive && mode[0] >= 0 &&
4600 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) {
4601 /*
4602 * Can't have two drives using different values
4603 * for `Address Setup Time'.
4604 * Slow down the faster drive to compensate.
4605 */
4606 int d = (opti_tim_as[spd][mode[0]] >
4607 opti_tim_as[spd][mode[1]]) ? 0 : 1;
4608
4609 mode[d] = mode[1-d];
4610 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode;
4611 chp->ch_drive[d].DMA_mode = 0;
4612 chp->ch_drive[d].drive_flags &= ~DRIVE_DMA;
4613 }
4614 }
4615
4616 for (drive = 0; drive < 2; drive++) {
4617 int m;
4618 if ((m = mode[drive]) < 0)
4619 continue;
4620
4621 /* Set the Address Setup Time and select appropriate index */
4622 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT;
4623 rv |= OPTI_MISC_INDEX(drive);
4624 opti_write_config(chp, OPTI_REG_MISC, mr | rv);
4625
4626 /* Set the pulse width and recovery timing parameters */
4627 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT;
4628 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT;
4629 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv);
4630 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv);
4631
4632 /* Set the Enhanced Mode register appropriately */
4633 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE);
4634 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive);
4635 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]);
4636 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv);
4637 }
4638
4639 /* Finally, enable the timings */
4640 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE);
4641
4642 pciide_print_modes(cp);
4643 }
4644
4645 #define ACARD_IS_850(sc) \
4646 ((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U)
4647
4648 void
4649 acard_chip_map(sc, pa)
4650 struct pciide_softc *sc;
4651 struct pci_attach_args *pa;
4652 {
4653 struct pciide_channel *cp;
4654 int i;
4655 pcireg_t interface;
4656 bus_size_t cmdsize, ctlsize;
4657
4658 if (pciide_chipen(sc, pa) == 0)
4659 return;
4660
4661 /*
4662 * when the chip is in native mode it identifies itself as a
4663 * 'misc mass storage'. Fake interface in this case.
4664 */
4665 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
4666 interface = PCI_INTERFACE(pa->pa_class);
4667 } else {
4668 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
4669 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
4670 }
4671
4672 printf("%s: bus-master DMA support present",
4673 sc->sc_wdcdev.sc_dev.dv_xname);
4674 pciide_mapreg_dma(sc, pa);
4675 printf("\n");
4676 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
4677 WDC_CAPABILITY_MODE;
4678
4679 if (sc->sc_dma_ok) {
4680 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
4681 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
4682 sc->sc_wdcdev.irqack = pciide_irqack;
4683 }
4684 sc->sc_wdcdev.PIO_cap = 4;
4685 sc->sc_wdcdev.DMA_cap = 2;
4686 sc->sc_wdcdev.UDMA_cap = ACARD_IS_850(sc) ? 2 : 4;
4687
4688 sc->sc_wdcdev.set_modes = acard_setup_channel;
4689 sc->sc_wdcdev.channels = sc->wdc_chanarray;
4690 sc->sc_wdcdev.nchannels = 2;
4691
4692 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
4693 cp = &sc->pciide_channels[i];
4694 if (pciide_chansetup(sc, i, interface) == 0)
4695 continue;
4696 if (interface & PCIIDE_INTERFACE_PCI(i)) {
4697 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize,
4698 &ctlsize, pciide_pci_intr);
4699 } else {
4700 cp->hw_ok = pciide_mapregs_compat(pa, cp, i,
4701 &cmdsize, &ctlsize);
4702 }
4703 if (cp->hw_ok == 0)
4704 return;
4705 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot;
4706 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh;
4707 wdcattach(&cp->wdc_channel);
4708 acard_setup_channel(&cp->wdc_channel);
4709 }
4710 if (!ACARD_IS_850(sc)) {
4711 u_int32_t reg;
4712 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL);
4713 reg &= ~ATP860_CTRL_INT;
4714 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg);
4715 }
4716 }
4717
4718 void
4719 acard_setup_channel(chp)
4720 struct channel_softc *chp;
4721 {
4722 struct ata_drive_datas *drvp;
4723 struct pciide_channel *cp = (struct pciide_channel*)chp;
4724 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
4725 int channel = chp->channel;
4726 int drive;
4727 u_int32_t idetime, udma_mode;
4728 u_int32_t idedma_ctl;
4729
4730 /* setup DMA if needed */
4731 pciide_channel_dma_setup(cp);
4732
4733 if (ACARD_IS_850(sc)) {
4734 idetime = 0;
4735 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA);
4736 udma_mode &= ~ATP850_UDMA_MASK(channel);
4737 } else {
4738 idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME);
4739 idetime &= ~ATP860_SETTIME_MASK(channel);
4740 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA);
4741 udma_mode &= ~ATP860_UDMA_MASK(channel);
4742
4743 /* check 80 pins cable */
4744 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) ||
4745 (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) {
4746 if (pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL)
4747 & ATP860_CTRL_80P(chp->channel)) {
4748 if (chp->ch_drive[0].UDMA_mode > 2)
4749 chp->ch_drive[0].UDMA_mode = 2;
4750 if (chp->ch_drive[1].UDMA_mode > 2)
4751 chp->ch_drive[1].UDMA_mode = 2;
4752 }
4753 }
4754 }
4755
4756 idedma_ctl = 0;
4757
4758 /* Per drive settings */
4759 for (drive = 0; drive < 2; drive++) {
4760 drvp = &chp->ch_drive[drive];
4761 /* If no drive, skip */
4762 if ((drvp->drive_flags & DRIVE) == 0)
4763 continue;
4764 /* add timing values, setup DMA if needed */
4765 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
4766 (drvp->drive_flags & DRIVE_UDMA)) {
4767 /* use Ultra/DMA */
4768 if (ACARD_IS_850(sc)) {
4769 idetime |= ATP850_SETTIME(drive,
4770 acard_act_udma[drvp->UDMA_mode],
4771 acard_rec_udma[drvp->UDMA_mode]);
4772 udma_mode |= ATP850_UDMA_MODE(channel, drive,
4773 acard_udma_conf[drvp->UDMA_mode]);
4774 } else {
4775 idetime |= ATP860_SETTIME(channel, drive,
4776 acard_act_udma[drvp->UDMA_mode],
4777 acard_rec_udma[drvp->UDMA_mode]);
4778 udma_mode |= ATP860_UDMA_MODE(channel, drive,
4779 acard_udma_conf[drvp->UDMA_mode]);
4780 }
4781 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
4782 } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) &&
4783 (drvp->drive_flags & DRIVE_DMA)) {
4784 /* use Multiword DMA */
4785 drvp->drive_flags &= ~DRIVE_UDMA;
4786 if (ACARD_IS_850(sc)) {
4787 idetime |= ATP850_SETTIME(drive,
4788 acard_act_dma[drvp->DMA_mode],
4789 acard_rec_dma[drvp->DMA_mode]);
4790 } else {
4791 idetime |= ATP860_SETTIME(channel, drive,
4792 acard_act_dma[drvp->DMA_mode],
4793 acard_rec_dma[drvp->DMA_mode]);
4794 }
4795 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
4796 } else {
4797 /* PIO only */
4798 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA);
4799 if (ACARD_IS_850(sc)) {
4800 idetime |= ATP850_SETTIME(drive,
4801 acard_act_pio[drvp->PIO_mode],
4802 acard_rec_pio[drvp->PIO_mode]);
4803 } else {
4804 idetime |= ATP860_SETTIME(channel, drive,
4805 acard_act_pio[drvp->PIO_mode],
4806 acard_rec_pio[drvp->PIO_mode]);
4807 }
4808 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL,
4809 pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL)
4810 | ATP8x0_CTRL_EN(channel));
4811 }
4812 }
4813
4814 if (idedma_ctl != 0) {
4815 /* Add software bits in status register */
4816 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4817 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, idedma_ctl);
4818 }
4819 pciide_print_modes(cp);
4820
4821 if (ACARD_IS_850(sc)) {
4822 pci_conf_write(sc->sc_pc, sc->sc_tag,
4823 ATP850_IDETIME(channel), idetime);
4824 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode);
4825 } else {
4826 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime);
4827 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode);
4828 }
4829 }
4830
4831 int
4832 acard_pci_intr(arg)
4833 void *arg;
4834 {
4835 struct pciide_softc *sc = arg;
4836 struct pciide_channel *cp;
4837 struct channel_softc *wdc_cp;
4838 int rv = 0;
4839 int dmastat, i, crv;
4840
4841 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
4842 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4843 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i);
4844 if ((dmastat & IDEDMA_CTL_INTR) == 0)
4845 continue;
4846 cp = &sc->pciide_channels[i];
4847 wdc_cp = &cp->wdc_channel;
4848 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) {
4849 (void)wdcintr(wdc_cp);
4850 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
4851 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat);
4852 continue;
4853 }
4854 crv = wdcintr(wdc_cp);
4855 if (crv == 0)
4856 printf("%s:%d: bogus intr\n",
4857 sc->sc_wdcdev.sc_dev.dv_xname, i);
4858 else if (crv == 1)
4859 rv = 1;
4860 else if (rv == 0)
4861 rv = crv;
4862 }
4863 return rv;
4864 }
4865
4866 static int
4867 sl82c105_bugchk(struct pci_attach_args *pa)
4868 {
4869
4870 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_WINBOND ||
4871 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_WINBOND_W83C553F_0)
4872 return (0);
4873
4874 if (PCI_REVISION(pa->pa_class) <= 0x05)
4875 return (1);
4876
4877 return (0);
4878 }
4879
4880 void
4881 sl82c105_chip_map(sc, pa)
4882 struct pciide_softc *sc;
4883 struct pci_attach_args *pa;
4884 {
4885 struct pciide_channel *cp;
4886 bus_size_t cmdsize, ctlsize;
4887 pcireg_t interface, idecr;
4888 int channel;
4889
4890 if (pciide_chipen(sc, pa) == 0)
4891 return;
4892
4893 printf("%s: bus-master DMA support present",
4894 sc->sc_wdcdev.sc_dev.dv_xname);
4895
4896 /*
4897 * Check to see if we're part of the Winbond 83c553 Southbridge.
4898 * If so, we need to disable DMA on rev. <= 5 of that chip.
4899 */
4900 if (pci_find_device(pa, sl82c105_bugchk)) {
4901 printf(" but disabled due to 83c553 rev. <= 0x05");
4902 sc->sc_dma_ok = 0;
4903 } else
4904 pciide_mapreg_dma(sc, pa);
4905 printf("\n");
4906
4907 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_DATA16 |
4908 WDC_CAPABILITY_MODE;
4909 sc->sc_wdcdev.PIO_cap = 4;
4910 if (sc->sc_dma_ok) {
4911 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
4912 sc->sc_wdcdev.irqack = pciide_irqack;
4913 sc->sc_wdcdev.DMA_cap = 2;
4914 }
4915 sc->sc_wdcdev.set_modes = sl82c105_setup_channel;
4916
4917 sc->sc_wdcdev.channels = sc->wdc_chanarray;
4918 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
4919
4920 idecr = pci_conf_read(sc->sc_pc, sc->sc_tag, SYMPH_IDECSR);
4921
4922 interface = PCI_INTERFACE(pa->pa_class);
4923
4924 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
4925 cp = &sc->pciide_channels[channel];
4926 if (pciide_chansetup(sc, channel, interface) == 0)
4927 continue;
4928 if ((channel == 0 && (idecr & IDECR_P0EN) == 0) ||
4929 (channel == 1 && (idecr & IDECR_P1EN) == 0)) {
4930 printf("%s: %s channel ignored (disabled)\n",
4931 sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
4932 continue;
4933 }
4934 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
4935 pciide_pci_intr);
4936 if (cp->hw_ok == 0)
4937 continue;
4938 pciide_map_compat_intr(pa, cp, channel, interface);
4939 if (cp->hw_ok == 0)
4940 continue;
4941 sl82c105_setup_channel(&cp->wdc_channel);
4942 }
4943 }
4944
4945 void
4946 sl82c105_setup_channel(chp)
4947 struct channel_softc *chp;
4948 {
4949 struct ata_drive_datas *drvp;
4950 struct pciide_channel *cp = (struct pciide_channel*)chp;
4951 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
4952 int pxdx_reg, drive;
4953 pcireg_t pxdx;
4954
4955 /* Set up DMA if needed. */
4956 pciide_channel_dma_setup(cp);
4957
4958 for (drive = 0; drive < 2; drive++) {
4959 pxdx_reg = ((chp->channel == 0) ? SYMPH_P0D0CR
4960 : SYMPH_P1D0CR) + (drive * 4);
4961
4962 pxdx = pci_conf_read(sc->sc_pc, sc->sc_tag, pxdx_reg);
4963
4964 pxdx &= ~(PxDx_CMD_ON_MASK|PxDx_CMD_OFF_MASK);
4965 pxdx &= ~(PxDx_PWEN|PxDx_RDYEN|PxDx_RAEN);
4966
4967 drvp = &chp->ch_drive[drive];
4968 /* If no drive, skip. */
4969 if ((drvp->drive_flags & DRIVE) == 0) {
4970 pci_conf_write(sc->sc_pc, sc->sc_tag, pxdx_reg, pxdx);
4971 continue;
4972 }
4973
4974 if (drvp->drive_flags & DRIVE_DMA) {
4975 /*
4976 * Timings will be used for both PIO and DMA,
4977 * so adjust DMA mode if needed.
4978 */
4979 if (drvp->PIO_mode >= 3) {
4980 if ((drvp->DMA_mode + 2) > drvp->PIO_mode)
4981 drvp->DMA_mode = drvp->PIO_mode - 2;
4982 if (drvp->DMA_mode < 1) {
4983 /*
4984 * Can't mix both PIO and DMA.
4985 * Disable DMA.
4986 */
4987 drvp->drive_flags &= ~DRIVE_DMA;
4988 }
4989 } else {
4990 /*
4991 * Can't mix both PIO and DMA. Disable
4992 * DMA.
4993 */
4994 drvp->drive_flags &= ~DRIVE_DMA;
4995 }
4996 }
4997
4998 if (drvp->drive_flags & DRIVE_DMA) {
4999 /* Use multi-word DMA. */
5000 pxdx |= symph_mw_dma_times[drvp->DMA_mode].cmd_on <<
5001 PxDx_CMD_ON_SHIFT;
5002 pxdx |= symph_mw_dma_times[drvp->DMA_mode].cmd_off;
5003 } else {
5004 pxdx |= symph_pio_times[drvp->PIO_mode].cmd_on <<
5005 PxDx_CMD_ON_SHIFT;
5006 pxdx |= symph_pio_times[drvp->PIO_mode].cmd_off;
5007 }
5008
5009 /* XXX PxDx_PWEN? PxDx_RDYEN? PxDx_RAEN? */
5010
5011 /* ...and set the mode for this drive. */
5012 pci_conf_write(sc->sc_pc, sc->sc_tag, pxdx_reg, pxdx);
5013 }
5014
5015 pciide_print_modes(cp);
5016 }
5017
5018 void
5019 serverworks_chip_map(sc, pa)
5020 struct pciide_softc *sc;
5021 struct pci_attach_args *pa;
5022 {
5023 struct pciide_channel *cp;
5024 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
5025 pcitag_t pcib_tag;
5026 int channel;
5027 bus_size_t cmdsize, ctlsize;
5028
5029 if (pciide_chipen(sc, pa) == 0)
5030 return;
5031
5032 printf("%s: bus-master DMA support present",
5033 sc->sc_wdcdev.sc_dev.dv_xname);
5034 pciide_mapreg_dma(sc, pa);
5035 printf("\n");
5036 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
5037 WDC_CAPABILITY_MODE;
5038
5039 if (sc->sc_dma_ok) {
5040 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
5041 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
5042 sc->sc_wdcdev.irqack = pciide_irqack;
5043 }
5044 sc->sc_wdcdev.PIO_cap = 4;
5045 sc->sc_wdcdev.DMA_cap = 2;
5046 switch (sc->sc_pp->ide_product) {
5047 case PCI_PRODUCT_SERVERWORKS_OSB4_IDE:
5048 sc->sc_wdcdev.UDMA_cap = 2;
5049 break;
5050 case PCI_PRODUCT_SERVERWORKS_CSB5_IDE:
5051 if (PCI_REVISION(pa->pa_class) < 0x92)
5052 sc->sc_wdcdev.UDMA_cap = 4;
5053 else
5054 sc->sc_wdcdev.UDMA_cap = 5;
5055 break;
5056 case PCI_PRODUCT_SERVERWORKS_CSB6_IDE:
5057 sc->sc_wdcdev.UDMA_cap = 5;
5058 break;
5059 }
5060
5061 sc->sc_wdcdev.set_modes = serverworks_setup_channel;
5062 sc->sc_wdcdev.channels = sc->wdc_chanarray;
5063 sc->sc_wdcdev.nchannels = 2;
5064
5065 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
5066 cp = &sc->pciide_channels[channel];
5067 if (pciide_chansetup(sc, channel, interface) == 0)
5068 continue;
5069 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
5070 serverworks_pci_intr);
5071 if (cp->hw_ok == 0)
5072 return;
5073 pciide_map_compat_intr(pa, cp, channel, interface);
5074 if (cp->hw_ok == 0)
5075 return;
5076 serverworks_setup_channel(&cp->wdc_channel);
5077 }
5078
5079 pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0);
5080 pci_conf_write(pa->pa_pc, pcib_tag, 0x64,
5081 (pci_conf_read(pa->pa_pc, pcib_tag, 0x64) & ~0x2000) | 0x4000);
5082 }
5083
5084 void
5085 serverworks_setup_channel(chp)
5086 struct channel_softc *chp;
5087 {
5088 struct ata_drive_datas *drvp;
5089 struct pciide_channel *cp = (struct pciide_channel*)chp;
5090 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
5091 int channel = chp->channel;
5092 int drive, unit;
5093 u_int32_t pio_time, dma_time, pio_mode, udma_mode;
5094 u_int32_t idedma_ctl;
5095 static const u_int8_t pio_modes[5] = {0x5d, 0x47, 0x34, 0x22, 0x20};
5096 static const u_int8_t dma_modes[3] = {0x77, 0x21, 0x20};
5097
5098 /* setup DMA if needed */
5099 pciide_channel_dma_setup(cp);
5100
5101 pio_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x40);
5102 dma_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x44);
5103 pio_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x48);
5104 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54);
5105
5106 pio_time &= ~(0xffff << (16 * channel));
5107 dma_time &= ~(0xffff << (16 * channel));
5108 pio_mode &= ~(0xff << (8 * channel + 16));
5109 udma_mode &= ~(0xff << (8 * channel + 16));
5110 udma_mode &= ~(3 << (2 * channel));
5111
5112 idedma_ctl = 0;
5113
5114 /* Per drive settings */
5115 for (drive = 0; drive < 2; drive++) {
5116 drvp = &chp->ch_drive[drive];
5117 /* If no drive, skip */
5118 if ((drvp->drive_flags & DRIVE) == 0)
5119 continue;
5120 unit = drive + 2 * channel;
5121 /* add timing values, setup DMA if needed */
5122 pio_time |= pio_modes[drvp->PIO_mode] << (8 * (unit^1));
5123 pio_mode |= drvp->PIO_mode << (4 * unit + 16);
5124 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
5125 (drvp->drive_flags & DRIVE_UDMA)) {
5126 /* use Ultra/DMA, check for 80-pin cable */
5127 if (drvp->UDMA_mode > 2 &&
5128 (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_SUBSYS_ID_REG)) & (1 << (14 + channel))) == 0)
5129 drvp->UDMA_mode = 2;
5130 dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1));
5131 udma_mode |= drvp->UDMA_mode << (4 * unit + 16);
5132 udma_mode |= 1 << unit;
5133 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
5134 } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) &&
5135 (drvp->drive_flags & DRIVE_DMA)) {
5136 /* use Multiword DMA */
5137 drvp->drive_flags &= ~DRIVE_UDMA;
5138 dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1));
5139 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
5140 } else {
5141 /* PIO only */
5142 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA);
5143 }
5144 }
5145
5146 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x40, pio_time);
5147 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x44, dma_time);
5148 if (sc->sc_pp->ide_product != PCI_PRODUCT_SERVERWORKS_OSB4_IDE)
5149 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x48, pio_mode);
5150 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x54, udma_mode);
5151
5152 if (idedma_ctl != 0) {
5153 /* Add software bits in status register */
5154 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
5155 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, idedma_ctl);
5156 }
5157 pciide_print_modes(cp);
5158 }
5159
5160 int
5161 serverworks_pci_intr(arg)
5162 void *arg;
5163 {
5164 struct pciide_softc *sc = arg;
5165 struct pciide_channel *cp;
5166 struct channel_softc *wdc_cp;
5167 int rv = 0;
5168 int dmastat, i, crv;
5169
5170 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
5171 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
5172 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i);
5173 if ((dmastat & (IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) !=
5174 IDEDMA_CTL_INTR)
5175 continue;
5176 cp = &sc->pciide_channels[i];
5177 wdc_cp = &cp->wdc_channel;
5178 crv = wdcintr(wdc_cp);
5179 if (crv == 0) {
5180 printf("%s:%d: bogus intr\n",
5181 sc->sc_wdcdev.sc_dev.dv_xname, i);
5182 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
5183 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat);
5184 } else
5185 rv = 1;
5186 }
5187 return rv;
5188 }
5189