viaide.c revision 1.67.2.2 1 /* $NetBSD: viaide.c,v 1.67.2.2 2010/11/06 08:08:32 uebayasi Exp $ */
2
3 /*
4 * Copyright (c) 1999, 2000, 2001 Manuel Bouyer.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 */
27
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: viaide.c,v 1.67.2.2 2010/11/06 08:08:32 uebayasi Exp $");
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33
34 #include <dev/pci/pcivar.h>
35 #include <dev/pci/pcidevs.h>
36 #include <dev/pci/pciidereg.h>
37 #include <dev/pci/pciidevar.h>
38 #include <dev/pci/pciide_apollo_reg.h>
39
40 static int via_pcib_match(struct pci_attach_args *);
41 static void via_chip_map(struct pciide_softc *, struct pci_attach_args *);
42 static void via_mapchan(struct pci_attach_args *, struct pciide_channel *,
43 pcireg_t, int (*)(void *));
44 static void via_mapregs_compat_native(struct pci_attach_args *,
45 struct pciide_channel *);
46 static int via_sata_chip_map_common(struct pciide_softc *,
47 struct pci_attach_args *);
48 static void via_sata_chip_map(struct pciide_softc *,
49 struct pci_attach_args *, int);
50 static void via_sata_chip_map_6(struct pciide_softc *,
51 struct pci_attach_args *);
52 static void via_sata_chip_map_7(struct pciide_softc *,
53 struct pci_attach_args *);
54 static void via_sata_chip_map_new(struct pciide_softc *,
55 struct pci_attach_args *);
56 static void via_setup_channel(struct ata_channel *);
57
58 static int viaide_match(device_t, cfdata_t, void *);
59 static void viaide_attach(device_t, device_t, void *);
60 static const struct pciide_product_desc *
61 viaide_lookup(pcireg_t);
62 static bool viaide_suspend(device_t, const pmf_qual_t *);
63 static bool viaide_resume(device_t, const pmf_qual_t *);
64
65 CFATTACH_DECL_NEW(viaide, sizeof(struct pciide_softc),
66 viaide_match, viaide_attach, NULL, NULL);
67
68 static const struct pciide_product_desc pciide_amd_products[] = {
69 { PCI_PRODUCT_AMD_PBC756_IDE,
70 0,
71 "AMD AMD756 IDE Controller",
72 via_chip_map
73 },
74 { PCI_PRODUCT_AMD_PBC766_IDE,
75 0,
76 "AMD AMD766 IDE Controller",
77 via_chip_map
78 },
79 { PCI_PRODUCT_AMD_PBC768_IDE,
80 0,
81 "AMD AMD768 IDE Controller",
82 via_chip_map
83 },
84 { PCI_PRODUCT_AMD_PBC8111_IDE,
85 0,
86 "AMD AMD8111 IDE Controller",
87 via_chip_map
88 },
89 { PCI_PRODUCT_AMD_CS5536_IDE,
90 0,
91 "AMD CS5536 IDE Controller",
92 via_chip_map
93 },
94 { 0,
95 0,
96 NULL,
97 NULL
98 }
99 };
100
101 static const struct pciide_product_desc pciide_nvidia_products[] = {
102 { PCI_PRODUCT_NVIDIA_NFORCE_ATA100,
103 0,
104 "NVIDIA nForce IDE Controller",
105 via_chip_map
106 },
107 { PCI_PRODUCT_NVIDIA_NFORCE2_ATA133,
108 0,
109 "NVIDIA nForce2 IDE Controller",
110 via_chip_map
111 },
112 { PCI_PRODUCT_NVIDIA_NFORCE2_400_ATA133,
113 0,
114 "NVIDIA nForce2 Ultra 400 IDE Controller",
115 via_chip_map
116 },
117 { PCI_PRODUCT_NVIDIA_NFORCE2_400_SATA,
118 0,
119 "NVIDIA nForce2 Ultra 400 Serial ATA Controller",
120 via_sata_chip_map_6
121 },
122 { PCI_PRODUCT_NVIDIA_NFORCE3_ATA133,
123 0,
124 "NVIDIA nForce3 IDE Controller",
125 via_chip_map
126 },
127 { PCI_PRODUCT_NVIDIA_NFORCE3_250_ATA133,
128 0,
129 "NVIDIA nForce3 250 IDE Controller",
130 via_chip_map
131 },
132 { PCI_PRODUCT_NVIDIA_NFORCE3_250_SATA,
133 0,
134 "NVIDIA nForce3 250 Serial ATA Controller",
135 via_sata_chip_map_6
136 },
137 { PCI_PRODUCT_NVIDIA_NFORCE3_250_SATA2,
138 0,
139 "NVIDIA nForce3 250 Serial ATA Controller",
140 via_sata_chip_map_6
141 },
142 { PCI_PRODUCT_NVIDIA_NFORCE4_ATA133,
143 0,
144 "NVIDIA nForce4 IDE Controller",
145 via_chip_map
146 },
147 { PCI_PRODUCT_NVIDIA_NFORCE4_SATA1,
148 0,
149 "NVIDIA nForce4 Serial ATA Controller",
150 via_sata_chip_map_6
151 },
152 { PCI_PRODUCT_NVIDIA_NFORCE4_SATA2,
153 0,
154 "NVIDIA nForce4 Serial ATA Controller",
155 via_sata_chip_map_6
156 },
157 { PCI_PRODUCT_NVIDIA_NFORCE430_ATA133,
158 0,
159 "NVIDIA nForce430 IDE Controller",
160 via_chip_map
161 },
162 { PCI_PRODUCT_NVIDIA_NFORCE430_SATA1,
163 0,
164 "NVIDIA nForce430 Serial ATA Controller",
165 via_sata_chip_map_6
166 },
167 { PCI_PRODUCT_NVIDIA_NFORCE430_SATA2,
168 0,
169 "NVIDIA nForce430 Serial ATA Controller",
170 via_sata_chip_map_6
171 },
172 { PCI_PRODUCT_NVIDIA_MCP04_IDE,
173 0,
174 "NVIDIA MCP04 IDE Controller",
175 via_chip_map
176 },
177 { PCI_PRODUCT_NVIDIA_MCP04_SATA,
178 0,
179 "NVIDIA MCP04 Serial ATA Controller",
180 via_sata_chip_map_6
181 },
182 { PCI_PRODUCT_NVIDIA_MCP04_SATA2,
183 0,
184 "NVIDIA MCP04 Serial ATA Controller",
185 via_sata_chip_map_6
186 },
187 { PCI_PRODUCT_NVIDIA_MCP55_IDE,
188 0,
189 "NVIDIA MCP55 IDE Controller",
190 via_chip_map
191 },
192 { PCI_PRODUCT_NVIDIA_MCP55_SATA,
193 0,
194 "NVIDIA MCP55 Serial ATA Controller",
195 via_sata_chip_map_6
196 },
197 { PCI_PRODUCT_NVIDIA_MCP55_SATA2,
198 0,
199 "NVIDIA MCP55 Serial ATA Controller",
200 via_sata_chip_map_6
201 },
202 { PCI_PRODUCT_NVIDIA_MCP61_IDE,
203 0,
204 "NVIDIA MCP61 IDE Controller",
205 via_chip_map
206 },
207 { PCI_PRODUCT_NVIDIA_MCP65_IDE,
208 0,
209 "NVIDIA MCP65 IDE Controller",
210 via_chip_map
211 },
212 { PCI_PRODUCT_NVIDIA_MCP73_IDE,
213 0,
214 "NVIDIA MCP73 IDE Controller",
215 via_chip_map
216 },
217 { PCI_PRODUCT_NVIDIA_MCP77_IDE,
218 0,
219 "NVIDIA MCP77 IDE Controller",
220 via_chip_map
221 },
222 { PCI_PRODUCT_NVIDIA_MCP61_SATA,
223 0,
224 "NVIDIA MCP61 Serial ATA Controller",
225 via_sata_chip_map_6
226 },
227 { PCI_PRODUCT_NVIDIA_MCP61_SATA2,
228 0,
229 "NVIDIA MCP61 Serial ATA Controller",
230 via_sata_chip_map_6
231 },
232 { PCI_PRODUCT_NVIDIA_MCP61_SATA3,
233 0,
234 "NVIDIA MCP61 Serial ATA Controller",
235 via_sata_chip_map_6
236 },
237 { PCI_PRODUCT_NVIDIA_MCP65_SATA,
238 0,
239 "NVIDIA MCP65 Serial ATA Controller",
240 via_sata_chip_map_6
241 },
242 { PCI_PRODUCT_NVIDIA_MCP65_SATA2,
243 0,
244 "NVIDIA MCP65 Serial ATA Controller",
245 via_sata_chip_map_6
246 },
247 { PCI_PRODUCT_NVIDIA_MCP65_SATA3,
248 0,
249 "NVIDIA MCP65 Serial ATA Controller",
250 via_sata_chip_map_6
251 },
252 { PCI_PRODUCT_NVIDIA_MCP65_SATA4,
253 0,
254 "NVIDIA MCP65 Serial ATA Controller",
255 via_sata_chip_map_6
256 },
257 { PCI_PRODUCT_NVIDIA_MCP67_IDE,
258 0,
259 "NVIDIA MCP67 IDE Controller",
260 via_chip_map,
261 },
262 { PCI_PRODUCT_NVIDIA_MCP67_SATA,
263 0,
264 "NVIDIA MCP67 Serial ATA Controller",
265 via_sata_chip_map_6,
266 },
267 { PCI_PRODUCT_NVIDIA_MCP67_SATA2,
268 0,
269 "NVIDIA MCP67 Serial ATA Controller",
270 via_sata_chip_map_6,
271 },
272 { PCI_PRODUCT_NVIDIA_MCP67_SATA3,
273 0,
274 "NVIDIA MCP67 Serial ATA Controller",
275 via_sata_chip_map_6,
276 },
277 { PCI_PRODUCT_NVIDIA_MCP67_SATA4,
278 0,
279 "NVIDIA MCP67 Serial ATA Controller",
280 via_sata_chip_map_6,
281 },
282 { 0,
283 0,
284 NULL,
285 NULL
286 }
287 };
288
289 static const struct pciide_product_desc pciide_via_products[] = {
290 { PCI_PRODUCT_VIATECH_VT82C586_IDE,
291 0,
292 NULL,
293 via_chip_map,
294 },
295 { PCI_PRODUCT_VIATECH_VT82C586A_IDE,
296 0,
297 NULL,
298 via_chip_map,
299 },
300 { PCI_PRODUCT_VIATECH_CX700_IDE,
301 0,
302 NULL,
303 via_chip_map,
304 },
305 { PCI_PRODUCT_VIATECH_CX700M2_IDE,
306 0,
307 NULL,
308 via_chip_map,
309 },
310 { PCI_PRODUCT_VIATECH_VT6421_RAID,
311 0,
312 "VIA Technologies VT6421 Serial RAID Controller",
313 via_sata_chip_map_new,
314 },
315 { PCI_PRODUCT_VIATECH_VT8237_SATA,
316 0,
317 "VIA Technologies VT8237 SATA Controller",
318 via_sata_chip_map_7,
319 },
320 { PCI_PRODUCT_VIATECH_VT8237A_SATA,
321 0,
322 "VIA Technologies VT8237A SATA Controller",
323 via_sata_chip_map_7,
324 },
325 { PCI_PRODUCT_VIATECH_VT8237A_SATA_2,
326 0,
327 "VIA Technologies VT8237A (5337) SATA Controller",
328 via_sata_chip_map_7,
329 },
330 { PCI_PRODUCT_VIATECH_VT8237R_SATA,
331 0,
332 "VIA Technologies VT8237R SATA Controller",
333 via_sata_chip_map_7,
334 },
335 { PCI_PRODUCT_VIATECH_VT8237S_SATA,
336 0,
337 "VIA Technologies VT8237S SATA Controller",
338 via_sata_chip_map_7,
339 },
340 { 0,
341 0,
342 NULL,
343 NULL
344 }
345 };
346
347 static const struct pciide_product_desc *
348 viaide_lookup(pcireg_t id)
349 {
350
351 switch (PCI_VENDOR(id)) {
352 case PCI_VENDOR_VIATECH:
353 return (pciide_lookup_product(id, pciide_via_products));
354
355 case PCI_VENDOR_AMD:
356 return (pciide_lookup_product(id, pciide_amd_products));
357
358 case PCI_VENDOR_NVIDIA:
359 return (pciide_lookup_product(id, pciide_nvidia_products));
360 }
361 return (NULL);
362 }
363
364 static int
365 viaide_match(device_t parent, cfdata_t match, void *aux)
366 {
367 struct pci_attach_args *pa = aux;
368
369 if (viaide_lookup(pa->pa_id) != NULL)
370 return (2);
371 return (0);
372 }
373
374 static void
375 viaide_attach(device_t parent, device_t self, void *aux)
376 {
377 struct pci_attach_args *pa = aux;
378 struct pciide_softc *sc = device_private(self);
379 const struct pciide_product_desc *pp;
380
381 sc->sc_wdcdev.sc_atac.atac_dev = self;
382
383 pp = viaide_lookup(pa->pa_id);
384 if (pp == NULL)
385 panic("viaide_attach");
386 pciide_common_attach(sc, pa, pp);
387
388 if (!pmf_device_register(self, viaide_suspend, viaide_resume))
389 aprint_error_dev(self, "couldn't establish power handler\n");
390 }
391
392 static int
393 via_pcib_match(struct pci_attach_args *pa)
394 {
395 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE &&
396 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_ISA &&
397 PCI_VENDOR(pa->pa_id) == PCI_VENDOR_VIATECH)
398 return (1);
399 return 0;
400 }
401
402 static bool
403 viaide_suspend(device_t dv, const pmf_qual_t *qual)
404 {
405 struct pciide_softc *sc = device_private(dv);
406
407 sc->sc_pm_reg[0] = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF(sc));
408 /* APO_DATATIM(sc) includes APO_UDMA(sc) */
409 sc->sc_pm_reg[1] = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc));
410 /* This two are VIA-only, but should be ignored by other devices. */
411 sc->sc_pm_reg[2] = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC(sc));
412 sc->sc_pm_reg[3] = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_MISCTIM(sc));
413
414 return true;
415 }
416
417 static bool
418 viaide_resume(device_t dv, const pmf_qual_t *qual)
419 {
420 struct pciide_softc *sc = device_private(dv);
421
422 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF(sc),
423 sc->sc_pm_reg[0]);
424 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc),
425 sc->sc_pm_reg[1]);
426 /* This two are VIA-only, but should be ignored by other devices. */
427 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_CTLMISC(sc),
428 sc->sc_pm_reg[2]);
429 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_MISCTIM(sc),
430 sc->sc_pm_reg[3]);
431
432 return true;
433 }
434
435 static void
436 via_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
437 {
438 struct pciide_channel *cp;
439 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
440 pcireg_t vendor = PCI_VENDOR(pa->pa_id);
441 int channel;
442 u_int32_t ideconf;
443 pcireg_t pcib_id, pcib_class;
444 struct pci_attach_args pcib_pa;
445
446 if (pciide_chipen(sc, pa) == 0)
447 return;
448
449 switch (vendor) {
450 case PCI_VENDOR_VIATECH:
451 /*
452 * get a PCI tag for the ISA bridge.
453 */
454 if (pci_find_device(&pcib_pa, via_pcib_match) == 0)
455 goto unknown;
456 pcib_id = pcib_pa.pa_id;
457 pcib_class = pcib_pa.pa_class;
458 aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev,
459 "VIA Technologies ");
460 switch (PCI_PRODUCT(pcib_id)) {
461 case PCI_PRODUCT_VIATECH_VT82C586_ISA:
462 aprint_normal("VT82C586 (Apollo VP) ");
463 if(PCI_REVISION(pcib_class) >= 0x02) {
464 aprint_normal("ATA33 controller\n");
465 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2;
466 } else {
467 aprint_normal("controller\n");
468 sc->sc_wdcdev.sc_atac.atac_udma_cap = 0;
469 }
470 break;
471 case PCI_PRODUCT_VIATECH_VT82C596A:
472 aprint_normal("VT82C596A (Apollo Pro) ");
473 if (PCI_REVISION(pcib_class) >= 0x12) {
474 aprint_normal("ATA66 controller\n");
475 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4;
476 } else {
477 aprint_normal("ATA33 controller\n");
478 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2;
479 }
480 break;
481 case PCI_PRODUCT_VIATECH_VT82C686A_ISA:
482 aprint_normal("VT82C686A (Apollo KX133) ");
483 if (PCI_REVISION(pcib_class) >= 0x40) {
484 aprint_normal("ATA100 controller\n");
485 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5;
486 } else {
487 aprint_normal("ATA66 controller\n");
488 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4;
489 }
490 break;
491 case PCI_PRODUCT_VIATECH_VT8231:
492 aprint_normal("VT8231 ATA100 controller\n");
493 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5;
494 break;
495 case PCI_PRODUCT_VIATECH_VT8233:
496 aprint_normal("VT8233 ATA100 controller\n");
497 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5;
498 break;
499 case PCI_PRODUCT_VIATECH_VT8233A:
500 aprint_normal("VT8233A ATA133 controller\n");
501 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
502 break;
503 case PCI_PRODUCT_VIATECH_VT8235:
504 aprint_normal("VT8235 ATA133 controller\n");
505 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
506 break;
507 case PCI_PRODUCT_VIATECH_VT8237:
508 aprint_normal("VT8237 ATA133 controller\n");
509 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
510 break;
511 case PCI_PRODUCT_VIATECH_VT8237A_ISA:
512 aprint_normal("VT8237A ATA133 controller\n");
513 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
514 break;
515 case PCI_PRODUCT_VIATECH_CX700:
516 aprint_normal("CX700 ATA133 controller\n");
517 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
518 break;
519 case PCI_PRODUCT_VIATECH_VT8251:
520 aprint_normal("VT8251 ATA133 controller\n");
521 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
522 break;
523 default:
524 unknown:
525 aprint_normal("unknown VIA ATA controller\n");
526 sc->sc_wdcdev.sc_atac.atac_udma_cap = 0;
527 }
528 sc->sc_apo_regbase = APO_VIA_REGBASE;
529 break;
530 case PCI_VENDOR_AMD:
531 switch (sc->sc_pp->ide_product) {
532 case PCI_PRODUCT_AMD_PBC8111_IDE:
533 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
534 break;
535 case PCI_PRODUCT_AMD_CS5536_IDE:
536 case PCI_PRODUCT_AMD_PBC766_IDE:
537 case PCI_PRODUCT_AMD_PBC768_IDE:
538 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5;
539 break;
540 default:
541 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4;
542 }
543 sc->sc_apo_regbase = APO_AMD_REGBASE;
544 break;
545 case PCI_VENDOR_NVIDIA:
546 switch (sc->sc_pp->ide_product) {
547 case PCI_PRODUCT_NVIDIA_NFORCE_ATA100:
548 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5;
549 break;
550 case PCI_PRODUCT_NVIDIA_NFORCE2_ATA133:
551 case PCI_PRODUCT_NVIDIA_NFORCE2_400_ATA133:
552 case PCI_PRODUCT_NVIDIA_NFORCE3_ATA133:
553 case PCI_PRODUCT_NVIDIA_NFORCE3_250_ATA133:
554 case PCI_PRODUCT_NVIDIA_NFORCE4_ATA133:
555 case PCI_PRODUCT_NVIDIA_NFORCE430_ATA133:
556 case PCI_PRODUCT_NVIDIA_MCP04_IDE:
557 case PCI_PRODUCT_NVIDIA_MCP55_IDE:
558 case PCI_PRODUCT_NVIDIA_MCP61_IDE:
559 case PCI_PRODUCT_NVIDIA_MCP65_IDE:
560 case PCI_PRODUCT_NVIDIA_MCP67_IDE:
561 case PCI_PRODUCT_NVIDIA_MCP73_IDE:
562 case PCI_PRODUCT_NVIDIA_MCP77_IDE:
563 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
564 break;
565 }
566 sc->sc_apo_regbase = APO_NVIDIA_REGBASE;
567 break;
568 default:
569 panic("via_chip_map: unknown vendor");
570 }
571
572 aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev,
573 "bus-master DMA support present");
574 pciide_mapreg_dma(sc, pa);
575 aprint_verbose("\n");
576 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
577 if (sc->sc_dma_ok) {
578 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA;
579 sc->sc_wdcdev.irqack = pciide_irqack;
580 if (sc->sc_wdcdev.sc_atac.atac_udma_cap > 0)
581 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA;
582 }
583 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
584 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
585 sc->sc_wdcdev.sc_atac.atac_set_modes = via_setup_channel;
586 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
587 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
588
589 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE &&
590 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID)
591 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_RAID;
592
593 wdc_allocate_regs(&sc->sc_wdcdev);
594
595 ATADEBUG_PRINT(("via_chip_map: old APO_IDECONF=0x%x, "
596 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n",
597 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF(sc)),
598 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC(sc)),
599 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc)),
600 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc))),
601 DEBUG_PROBE);
602
603 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF(sc));
604 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
605 channel++) {
606 cp = &sc->pciide_channels[channel];
607 if (pciide_chansetup(sc, channel, interface) == 0)
608 continue;
609
610 if ((ideconf & APO_IDECONF_EN(channel)) == 0) {
611 aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev,
612 "%s channel ignored (disabled)\n", cp->name);
613 cp->ata_channel.ch_flags |= ATACH_DISABLED;
614 continue;
615 }
616 via_mapchan(pa, cp, interface, pciide_pci_intr);
617 }
618 }
619
620 static void
621 via_mapchan(struct pci_attach_args *pa, struct pciide_channel *cp,
622 pcireg_t interface, int (*pci_intr)(void *))
623 {
624 struct ata_channel *wdc_cp;
625 struct pciide_softc *sc;
626 prop_bool_t compat_nat_enable;
627
628 wdc_cp = &cp->ata_channel;
629 sc = CHAN_TO_PCIIDE(&cp->ata_channel);
630 compat_nat_enable = prop_dictionary_get(
631 device_properties(sc->sc_wdcdev.sc_atac.atac_dev),
632 "use-compat-native-irq");
633
634 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->ch_channel)) {
635 /* native mode with irq 14/15 requested? */
636 if (compat_nat_enable != NULL &&
637 prop_bool_true(compat_nat_enable))
638 via_mapregs_compat_native(pa, cp);
639 else
640 pciide_mapregs_native(pa, cp, pci_intr);
641 } else {
642 pciide_mapregs_compat(pa, cp, wdc_cp->ch_channel);
643 if ((cp->ata_channel.ch_flags & ATACH_DISABLED) == 0)
644 pciide_map_compat_intr(pa, cp, wdc_cp->ch_channel);
645 }
646 wdcattach(wdc_cp);
647 }
648
649 /*
650 * At least under certain (mis)configurations (e.g. on the "Pegasos" board)
651 * the VT8231-IDE's native mode only works with irq 14/15, and cannot be
652 * programmed to use a single native PCI irq alone. So we install an interrupt
653 * handler for each channel, as in compatibility mode.
654 */
655 static void
656 via_mapregs_compat_native(struct pci_attach_args *pa,
657 struct pciide_channel *cp)
658 {
659 struct ata_channel *wdc_cp;
660 struct pciide_softc *sc;
661
662 wdc_cp = &cp->ata_channel;
663 sc = CHAN_TO_PCIIDE(&cp->ata_channel);
664
665 /* XXX prevent pciide_mapregs_native from installing a handler */
666 if (sc->sc_pci_ih == NULL)
667 sc->sc_pci_ih = (void *)~0;
668 pciide_mapregs_native(pa, cp, NULL);
669
670 /* interrupts are fixed to 14/15, as in compatibility mode */
671 cp->compat = 1;
672 if ((wdc_cp->ch_flags & ATACH_DISABLED) == 0) {
673 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
674 cp->ih = pciide_machdep_compat_intr_establish(
675 sc->sc_wdcdev.sc_atac.atac_dev, pa, wdc_cp->ch_channel,
676 pciide_compat_intr, cp);
677 if (cp->ih == NULL) {
678 #endif
679 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
680 "no compatibility interrupt for "
681 "use by %s channel\n", cp->name);
682 wdc_cp->ch_flags |= ATACH_DISABLED;
683 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
684 }
685 sc->sc_pci_ih = cp->ih; /* XXX */
686 #endif
687 }
688 }
689
690 static void
691 via_setup_channel(struct ata_channel *chp)
692 {
693 u_int32_t udmatim_reg, datatim_reg;
694 u_int8_t idedma_ctl;
695 int mode, drive, s;
696 struct ata_drive_datas *drvp;
697 struct atac_softc *atac = chp->ch_atac;
698 struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
699 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
700 #ifndef PCIIDE_AMD756_ENABLEDMA
701 int rev = PCI_REVISION(
702 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
703 #endif
704
705 idedma_ctl = 0;
706 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc));
707 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc));
708 datatim_reg &= ~APO_DATATIM_MASK(chp->ch_channel);
709 udmatim_reg &= ~APO_UDMA_MASK(chp->ch_channel);
710
711 /* setup DMA if needed */
712 pciide_channel_dma_setup(cp);
713
714 for (drive = 0; drive < 2; drive++) {
715 drvp = &chp->ch_drive[drive];
716 /* If no drive, skip */
717 if ((drvp->drive_flags & DRIVE) == 0)
718 continue;
719 /* add timing values, setup DMA if needed */
720 if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
721 (drvp->drive_flags & DRIVE_UDMA) == 0)) {
722 mode = drvp->PIO_mode;
723 goto pio;
724 }
725 if ((atac->atac_cap & ATAC_CAP_UDMA) &&
726 (drvp->drive_flags & DRIVE_UDMA)) {
727 /* use Ultra/DMA */
728 s = splbio();
729 drvp->drive_flags &= ~DRIVE_DMA;
730 splx(s);
731 udmatim_reg |= APO_UDMA_EN(chp->ch_channel, drive) |
732 APO_UDMA_EN_MTH(chp->ch_channel, drive);
733 switch (PCI_VENDOR(sc->sc_pci_id)) {
734 case PCI_VENDOR_VIATECH:
735 if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 6) {
736 /* 8233a */
737 udmatim_reg |= APO_UDMA_TIME(
738 chp->ch_channel,
739 drive,
740 via_udma133_tim[drvp->UDMA_mode]);
741 } else if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 5) {
742 /* 686b */
743 udmatim_reg |= APO_UDMA_TIME(
744 chp->ch_channel,
745 drive,
746 via_udma100_tim[drvp->UDMA_mode]);
747 } else if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 4) {
748 /* 596b or 686a */
749 udmatim_reg |= APO_UDMA_CLK66(
750 chp->ch_channel);
751 udmatim_reg |= APO_UDMA_TIME(
752 chp->ch_channel,
753 drive,
754 via_udma66_tim[drvp->UDMA_mode]);
755 } else {
756 /* 596a or 586b */
757 udmatim_reg |= APO_UDMA_TIME(
758 chp->ch_channel,
759 drive,
760 via_udma33_tim[drvp->UDMA_mode]);
761 }
762 break;
763 case PCI_VENDOR_AMD:
764 case PCI_VENDOR_NVIDIA:
765 udmatim_reg |= APO_UDMA_TIME(chp->ch_channel,
766 drive, amd7x6_udma_tim[drvp->UDMA_mode]);
767 break;
768 }
769 /* can use PIO timings, MW DMA unused */
770 mode = drvp->PIO_mode;
771 } else {
772 /* use Multiword DMA, but only if revision is OK */
773 s = splbio();
774 drvp->drive_flags &= ~DRIVE_UDMA;
775 splx(s);
776 #ifndef PCIIDE_AMD756_ENABLEDMA
777 /*
778 * The workaround doesn't seem to be necessary
779 * with all drives, so it can be disabled by
780 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if
781 * triggered.
782 */
783 if (PCI_VENDOR(sc->sc_pci_id) == PCI_VENDOR_AMD &&
784 sc->sc_pp->ide_product ==
785 PCI_PRODUCT_AMD_PBC756_IDE &&
786 AMD756_CHIPREV_DISABLEDMA(rev)) {
787 aprint_normal(
788 "%s:%d:%d: multi-word DMA disabled due "
789 "to chip revision\n",
790 device_xname(
791 sc->sc_wdcdev.sc_atac.atac_dev),
792 chp->ch_channel, drive);
793 mode = drvp->PIO_mode;
794 s = splbio();
795 drvp->drive_flags &= ~DRIVE_DMA;
796 splx(s);
797 goto pio;
798 }
799 #endif
800 /* mode = min(pio, dma+2) */
801 if (drvp->PIO_mode <= (drvp->DMA_mode + 2))
802 mode = drvp->PIO_mode;
803 else
804 mode = drvp->DMA_mode + 2;
805 }
806 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
807
808 pio: /* setup PIO mode */
809 if (mode <= 2) {
810 drvp->DMA_mode = 0;
811 drvp->PIO_mode = 0;
812 mode = 0;
813 } else {
814 drvp->PIO_mode = mode;
815 drvp->DMA_mode = mode - 2;
816 }
817 datatim_reg |=
818 APO_DATATIM_PULSE(chp->ch_channel, drive,
819 apollo_pio_set[mode]) |
820 APO_DATATIM_RECOV(chp->ch_channel, drive,
821 apollo_pio_rec[mode]);
822 }
823 if (idedma_ctl != 0) {
824 /* Add software bits in status register */
825 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
826 idedma_ctl);
827 }
828 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc), datatim_reg);
829 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA(sc), udmatim_reg);
830 ATADEBUG_PRINT(("via_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n",
831 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc)),
832 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc))), DEBUG_PROBE);
833 }
834
835 static int
836 via_sata_chip_map_common(struct pciide_softc *sc, struct pci_attach_args *pa)
837 {
838 int maptype, ret;
839
840 if (pciide_chipen(sc, pa) == 0)
841 return 0;
842
843 aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev,
844 "bus-master DMA support present");
845 pciide_mapreg_dma(sc, pa);
846 aprint_verbose("\n");
847
848 if (sc->sc_dma_ok) {
849 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA | ATAC_CAP_DMA;
850 sc->sc_wdcdev.irqack = pciide_irqack;
851 }
852 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
853 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
854 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
855
856 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
857 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
858 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
859 sc->sc_wdcdev.sc_atac.atac_set_modes = sata_setup_channel;
860
861 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE &&
862 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID)
863 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_RAID;
864
865 wdc_allocate_regs(&sc->sc_wdcdev);
866 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag,
867 PCI_MAPREG_START + 0x14);
868 switch(maptype) {
869 case PCI_MAPREG_TYPE_IO:
870 ret = pci_mapreg_map(pa, PCI_MAPREG_START + 0x14,
871 PCI_MAPREG_TYPE_IO, 0, &sc->sc_ba5_st, &sc->sc_ba5_sh,
872 NULL, &sc->sc_ba5_ss);
873 break;
874 case PCI_MAPREG_MEM_TYPE_32BIT:
875 /*
876 * Enable memory-space access if it isn't already there.
877 */
878 if ((pa->pa_flags & PCI_FLAGS_MEM_ENABLED) == 0) {
879 pcireg_t csr;
880
881 pa->pa_flags |= PCI_FLAGS_MEM_ENABLED;
882 csr = pci_conf_read(pa->pa_pc, pa->pa_tag,
883 PCI_COMMAND_STATUS_REG);
884 pci_conf_write(pa->pa_pc, pa->pa_tag,
885 PCI_COMMAND_STATUS_REG,
886 csr | PCI_COMMAND_MEM_ENABLE);
887 }
888
889 ret = pci_mapreg_map(pa, PCI_MAPREG_START + 0x14,
890 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
891 0, &sc->sc_ba5_st, &sc->sc_ba5_sh,
892 NULL, &sc->sc_ba5_ss);
893 break;
894 default:
895 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
896 "couldn't map sata regs, unsupported maptype (0x%x)\n",
897 maptype);
898 return 0;
899 }
900 if (ret != 0) {
901 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
902 "couldn't map sata regs\n");
903 return 0;
904 }
905 return 1;
906 }
907
908 static void
909 via_sata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa,
910 int satareg_shift)
911 {
912 struct pciide_channel *cp;
913 struct ata_channel *wdc_cp;
914 struct wdc_regs *wdr;
915 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
916 int channel;
917
918 if (via_sata_chip_map_common(sc, pa) == 0)
919 return;
920
921 if (interface == 0) {
922 ATADEBUG_PRINT(("via_sata_chip_map interface == 0\n"),
923 DEBUG_PROBE);
924 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
925 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
926 }
927
928 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
929 channel++) {
930 cp = &sc->pciide_channels[channel];
931 if (pciide_chansetup(sc, channel, interface) == 0)
932 continue;
933 wdc_cp = &cp->ata_channel;
934 wdr = CHAN_TO_WDC_REGS(wdc_cp);
935 wdr->sata_iot = sc->sc_ba5_st;
936 wdr->sata_baseioh = sc->sc_ba5_sh;
937 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh,
938 (wdc_cp->ch_channel << satareg_shift) + 0x0, 4,
939 &wdr->sata_status) != 0) {
940 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
941 "couldn't map channel %d sata_status regs\n",
942 wdc_cp->ch_channel);
943 continue;
944 }
945 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh,
946 (wdc_cp->ch_channel << satareg_shift) + 0x4, 4,
947 &wdr->sata_error) != 0) {
948 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
949 "couldn't map channel %d sata_error regs\n",
950 wdc_cp->ch_channel);
951 continue;
952 }
953 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh,
954 (wdc_cp->ch_channel << satareg_shift) + 0x8, 4,
955 &wdr->sata_control) != 0) {
956 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
957 "couldn't map channel %d sata_control regs\n",
958 wdc_cp->ch_channel);
959 continue;
960 }
961 sc->sc_wdcdev.sc_atac.atac_probe = wdc_sataprobe;
962 pciide_mapchan(pa, cp, interface, pciide_pci_intr);
963 }
964 }
965
966 static void
967 via_sata_chip_map_6(struct pciide_softc *sc, struct pci_attach_args *pa)
968 {
969 via_sata_chip_map(sc, pa, 6);
970 }
971
972 static void
973 via_sata_chip_map_7(struct pciide_softc *sc, struct pci_attach_args *pa)
974 {
975 via_sata_chip_map(sc, pa, 7);
976 }
977
978 static void
979 via_sata_chip_map_new(struct pciide_softc *sc, struct pci_attach_args *pa)
980 {
981 struct pciide_channel *cp;
982 struct ata_channel *wdc_cp;
983 struct wdc_regs *wdr;
984 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
985 int channel;
986 pci_intr_handle_t intrhandle;
987 const char *intrstr;
988 int i;
989
990 if (via_sata_chip_map_common(sc, pa) == 0)
991 return;
992
993 if (interface == 0) {
994 ATADEBUG_PRINT(("via_sata_chip_map interface == 0\n"),
995 DEBUG_PROBE);
996 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
997 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
998 }
999
1000 if (pci_intr_map(pa, &intrhandle) != 0) {
1001 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
1002 "couldn't map native-PCI interrupt\n");
1003 return;
1004 }
1005 intrstr = pci_intr_string(pa->pa_pc, intrhandle);
1006 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc,
1007 intrhandle, IPL_BIO, pciide_pci_intr, sc);
1008 if (sc->sc_pci_ih == NULL) {
1009 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
1010 "couldn't establish native-PCI interrupt");
1011 if (intrstr != NULL)
1012 aprint_error(" at %s", intrstr);
1013 aprint_error("\n");
1014 return;
1015 }
1016 aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev,
1017 "using %s for native-PCI interrupt\n",
1018 intrstr ? intrstr : "unknown interrupt");
1019
1020 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
1021 channel++) {
1022 cp = &sc->pciide_channels[channel];
1023 if (pciide_chansetup(sc, channel, interface) == 0)
1024 continue;
1025 cp->ata_channel.ch_ndrive = 1;
1026 wdc_cp = &cp->ata_channel;
1027 wdr = CHAN_TO_WDC_REGS(wdc_cp);
1028
1029 wdr->sata_iot = sc->sc_ba5_st;
1030 wdr->sata_baseioh = sc->sc_ba5_sh;
1031 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh,
1032 (wdc_cp->ch_channel << 6) + 0x0, 4,
1033 &wdr->sata_status) != 0) {
1034 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
1035 "couldn't map channel %d sata_status regs\n",
1036 wdc_cp->ch_channel);
1037 continue;
1038 }
1039 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh,
1040 (wdc_cp->ch_channel << 6) + 0x4, 4,
1041 &wdr->sata_error) != 0) {
1042 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
1043 "couldn't map channel %d sata_error regs\n",
1044 wdc_cp->ch_channel);
1045 continue;
1046 }
1047 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh,
1048 (wdc_cp->ch_channel << 6) + 0x8, 4,
1049 &wdr->sata_control) != 0) {
1050 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
1051 "couldn't map channel %d sata_control regs\n",
1052 wdc_cp->ch_channel);
1053 continue;
1054 }
1055 sc->sc_wdcdev.sc_atac.atac_probe = wdc_sataprobe;
1056
1057 if (pci_mapreg_map(pa, (PCI_MAPREG_START + (4 * (channel))),
1058 PCI_MAPREG_TYPE_IO, 0, &wdr->cmd_iot, &wdr->cmd_baseioh,
1059 NULL, &wdr->cmd_ios) != 0) {
1060 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
1061 "couldn't map %s channel regs\n", cp->name);
1062 }
1063 wdr->ctl_iot = wdr->cmd_iot;
1064 for (i = 0; i < WDC_NREG; i++) {
1065 if (bus_space_subregion(wdr->cmd_iot,
1066 wdr->cmd_baseioh, i, i == 0 ? 4 : 1,
1067 &wdr->cmd_iohs[i]) != 0) {
1068 aprint_error_dev(
1069 sc->sc_wdcdev.sc_atac.atac_dev,
1070 "couldn't subregion %s "
1071 "channel cmd regs\n", cp->name);
1072 return;
1073 }
1074 }
1075 if (bus_space_subregion(wdr->cmd_iot, wdr->cmd_baseioh,
1076 WDC_NREG + 2, 1, &wdr->ctl_ioh) != 0) {
1077 aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev,
1078 "couldn't map channel %d ctl regs\n", channel);
1079 return;
1080 }
1081 wdc_init_shadow_regs(wdc_cp);
1082 wdr->data32iot = wdr->cmd_iot;
1083 wdr->data32ioh = wdr->cmd_iohs[wd_data];
1084 wdcattach(wdc_cp);
1085 }
1086 }
1087