siside.c revision 1.15 1 /* $NetBSD: siside.c,v 1.15 2005/05/24 05:25:15 lukem 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 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Manuel Bouyer.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: siside.c,v 1.15 2005/05/24 05:25:15 lukem Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37
38 #include <dev/pci/pcivar.h>
39 #include <dev/pci/pcidevs.h>
40 #include <dev/pci/pciidereg.h>
41 #include <dev/pci/pciidevar.h>
42 #include <dev/pci/pciide_sis_reg.h>
43
44 static void sis_chip_map(struct pciide_softc *, struct pci_attach_args *);
45 static void sis_sata_chip_map(struct pciide_softc *, struct pci_attach_args *);
46 static void sis_setup_channel(struct ata_channel *);
47 static void sis96x_setup_channel(struct ata_channel *);
48
49 static int sis_hostbr_match(struct pci_attach_args *);
50 static int sis_south_match(struct pci_attach_args *);
51
52 static int siside_match(struct device *, struct cfdata *, void *);
53 static void siside_attach(struct device *, struct device *, void *);
54
55 CFATTACH_DECL(siside, sizeof(struct pciide_softc),
56 siside_match, siside_attach, NULL, NULL);
57
58 static const struct pciide_product_desc pciide_sis_products[] = {
59 { PCI_PRODUCT_SIS_5597_IDE,
60 0,
61 NULL,
62 sis_chip_map,
63 },
64 { PCI_PRODUCT_SIS_180_SATA,
65 0,
66 NULL,
67 sis_sata_chip_map,
68 },
69 { 0,
70 0,
71 NULL,
72 NULL
73 }
74 };
75
76 static int
77 siside_match(struct device *parent, struct cfdata *match, void *aux)
78 {
79 struct pci_attach_args *pa = aux;
80
81 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS) {
82 if (pciide_lookup_product(pa->pa_id, pciide_sis_products))
83 return (2);
84 }
85 return (0);
86 }
87
88 static void
89 siside_attach(struct device *parent, struct device *self, void *aux)
90 {
91 struct pci_attach_args *pa = aux;
92 struct pciide_softc *sc = (struct pciide_softc *)self;
93
94 pciide_common_attach(sc, pa,
95 pciide_lookup_product(pa->pa_id, pciide_sis_products));
96
97 }
98
99 static struct sis_hostbr_type {
100 u_int16_t id;
101 u_int8_t rev;
102 u_int8_t udma_mode;
103 char *name;
104 u_int8_t type;
105 #define SIS_TYPE_NOUDMA 0
106 #define SIS_TYPE_66 1
107 #define SIS_TYPE_100OLD 2
108 #define SIS_TYPE_100NEW 3
109 #define SIS_TYPE_133OLD 4
110 #define SIS_TYPE_133NEW 5
111 #define SIS_TYPE_SOUTH 6
112 } sis_hostbr_type[] = {
113 /* Most infos here are from sos (at) freebsd.org */
114 {PCI_PRODUCT_SIS_530HB, 0x00, 4, "530", SIS_TYPE_66},
115 #if 0
116 /*
117 * controllers associated to a rev 0x2 530 Host to PCI Bridge
118 * have problems with UDMA (info provided by Christos)
119 */
120 {PCI_PRODUCT_SIS_530HB, 0x02, 0, "530 (buggy)", SIS_TYPE_NOUDMA},
121 #endif
122 {PCI_PRODUCT_SIS_540HB, 0x00, 4, "540", SIS_TYPE_66},
123 {PCI_PRODUCT_SIS_550HB, 0x00, 4, "550", SIS_TYPE_66},
124 {PCI_PRODUCT_SIS_620, 0x00, 4, "620", SIS_TYPE_66},
125 {PCI_PRODUCT_SIS_630, 0x00, 4, "630", SIS_TYPE_66},
126 {PCI_PRODUCT_SIS_630, 0x30, 5, "630S", SIS_TYPE_100NEW},
127 {PCI_PRODUCT_SIS_633, 0x00, 5, "633", SIS_TYPE_100NEW},
128 {PCI_PRODUCT_SIS_635, 0x00, 5, "635", SIS_TYPE_100NEW},
129 {PCI_PRODUCT_SIS_640, 0x00, 4, "640", SIS_TYPE_SOUTH},
130 {PCI_PRODUCT_SIS_645, 0x00, 6, "645", SIS_TYPE_SOUTH},
131 {PCI_PRODUCT_SIS_646, 0x00, 6, "645DX", SIS_TYPE_SOUTH},
132 {PCI_PRODUCT_SIS_648, 0x00, 6, "648", SIS_TYPE_SOUTH},
133 {PCI_PRODUCT_SIS_650, 0x00, 6, "650", SIS_TYPE_SOUTH},
134 {PCI_PRODUCT_SIS_651, 0x00, 6, "651", SIS_TYPE_SOUTH},
135 {PCI_PRODUCT_SIS_652, 0x00, 6, "652", SIS_TYPE_SOUTH},
136 {PCI_PRODUCT_SIS_655, 0x00, 6, "655", SIS_TYPE_SOUTH},
137 {PCI_PRODUCT_SIS_658, 0x00, 6, "658", SIS_TYPE_SOUTH},
138 {PCI_PRODUCT_SIS_730, 0x00, 5, "730", SIS_TYPE_100OLD},
139 {PCI_PRODUCT_SIS_733, 0x00, 5, "733", SIS_TYPE_100NEW},
140 {PCI_PRODUCT_SIS_735, 0x00, 5, "735", SIS_TYPE_100NEW},
141 {PCI_PRODUCT_SIS_740, 0x00, 5, "740", SIS_TYPE_SOUTH},
142 {PCI_PRODUCT_SIS_741, 0x00, 5, "741", SIS_TYPE_SOUTH},
143 {PCI_PRODUCT_SIS_745, 0x00, 5, "745", SIS_TYPE_100NEW},
144 {PCI_PRODUCT_SIS_746, 0x00, 6, "746", SIS_TYPE_SOUTH},
145 {PCI_PRODUCT_SIS_748, 0x00, 6, "748", SIS_TYPE_SOUTH},
146 {PCI_PRODUCT_SIS_750, 0x00, 6, "750", SIS_TYPE_SOUTH},
147 {PCI_PRODUCT_SIS_751, 0x00, 6, "751", SIS_TYPE_SOUTH},
148 {PCI_PRODUCT_SIS_752, 0x00, 6, "752", SIS_TYPE_SOUTH},
149 {PCI_PRODUCT_SIS_755, 0x00, 6, "755", SIS_TYPE_SOUTH},
150 /*
151 * From sos (at) freebsd.org: the 0x961 ID will never be found in real world
152 * {PCI_PRODUCT_SIS_961, 0x00, 6, "961", SIS_TYPE_133NEW},
153 */
154 {PCI_PRODUCT_SIS_962, 0x00, 6, "962", SIS_TYPE_133NEW},
155 {PCI_PRODUCT_SIS_963, 0x00, 6, "963", SIS_TYPE_133NEW},
156 {PCI_PRODUCT_SIS_964, 0x00, 6, "964", SIS_TYPE_133NEW},
157 };
158
159 static struct sis_hostbr_type *sis_hostbr_type_match;
160
161 static int
162 sis_hostbr_match(struct pci_attach_args *pa)
163 {
164 int i;
165
166 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SIS)
167 return 0;
168 sis_hostbr_type_match = NULL;
169 for (i = 0;
170 i < sizeof(sis_hostbr_type) / sizeof(sis_hostbr_type[0]);
171 i++) {
172 if (PCI_PRODUCT(pa->pa_id) == sis_hostbr_type[i].id &&
173 PCI_REVISION(pa->pa_class) >= sis_hostbr_type[i].rev)
174 sis_hostbr_type_match = &sis_hostbr_type[i];
175 }
176 return (sis_hostbr_type_match != NULL);
177 }
178
179 static int
180 sis_south_match(struct pci_attach_args *pa)
181 {
182
183 return (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS &&
184 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503 &&
185 PCI_REVISION(pa->pa_class) >= 0x10);
186 }
187
188 static void
189 sis_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
190 {
191 struct pciide_channel *cp;
192 int channel;
193 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0);
194 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
195 pcireg_t rev = PCI_REVISION(pa->pa_class);
196 bus_size_t cmdsize, ctlsize;
197
198 if (pciide_chipen(sc, pa) == 0)
199 return;
200
201 aprint_normal("%s: Silicon Integrated Systems ",
202 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname);
203 pci_find_device(NULL, sis_hostbr_match);
204 if (sis_hostbr_type_match) {
205 if (sis_hostbr_type_match->type == SIS_TYPE_SOUTH) {
206 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_57,
207 pciide_pci_read(sc->sc_pc, sc->sc_tag,
208 SIS_REG_57) & 0x7f);
209 if (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag,
210 PCI_ID_REG)) == SIS_PRODUCT_5518) {
211 aprint_normal("96X UDMA%d",
212 sis_hostbr_type_match->udma_mode);
213 sc->sis_type = SIS_TYPE_133NEW;
214 sc->sc_wdcdev.sc_atac.atac_udma_cap =
215 sis_hostbr_type_match->udma_mode;
216 } else {
217 if (pci_find_device(NULL, sis_south_match)) {
218 sc->sis_type = SIS_TYPE_133OLD;
219 sc->sc_wdcdev.sc_atac.atac_udma_cap =
220 sis_hostbr_type_match->udma_mode;
221 } else {
222 sc->sis_type = SIS_TYPE_100NEW;
223 sc->sc_wdcdev.sc_atac.atac_udma_cap =
224 sis_hostbr_type_match->udma_mode;
225 }
226 }
227 } else {
228 sc->sis_type = sis_hostbr_type_match->type;
229 sc->sc_wdcdev.sc_atac.atac_udma_cap =
230 sis_hostbr_type_match->udma_mode;
231 }
232 aprint_normal(sis_hostbr_type_match->name);
233 } else {
234 aprint_normal("5597/5598");
235 if (rev >= 0xd0) {
236 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2;
237 sc->sis_type = SIS_TYPE_66;
238 } else {
239 sc->sc_wdcdev.sc_atac.atac_udma_cap = 0;
240 sc->sis_type = SIS_TYPE_NOUDMA;
241 }
242 }
243 aprint_normal(" IDE controller (rev. 0x%02x)\n",
244 PCI_REVISION(pa->pa_class));
245 aprint_normal("%s: bus-master DMA support present",
246 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname);
247 pciide_mapreg_dma(sc, pa);
248 aprint_normal("\n");
249
250 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
251 if (sc->sc_dma_ok) {
252 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA;
253 sc->sc_wdcdev.irqack = pciide_irqack;
254 if (sc->sis_type >= SIS_TYPE_66)
255 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA;
256 }
257
258 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
259 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
260
261 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
262 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
263 switch(sc->sis_type) {
264 case SIS_TYPE_NOUDMA:
265 case SIS_TYPE_66:
266 case SIS_TYPE_100OLD:
267 sc->sc_wdcdev.sc_atac.atac_set_modes = sis_setup_channel;
268 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC,
269 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) |
270 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE | SIS_MISC_GTC);
271 break;
272 case SIS_TYPE_100NEW:
273 case SIS_TYPE_133OLD:
274 sc->sc_wdcdev.sc_atac.atac_set_modes = sis_setup_channel;
275 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_49,
276 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_49) | 0x01);
277 break;
278 case SIS_TYPE_133NEW:
279 sc->sc_wdcdev.sc_atac.atac_set_modes = sis96x_setup_channel;
280 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_50,
281 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_50) & 0xf7);
282 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_52,
283 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_52) & 0xf7);
284 break;
285 }
286
287 wdc_allocate_regs(&sc->sc_wdcdev);
288
289 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
290 channel++) {
291 cp = &sc->pciide_channels[channel];
292 if (pciide_chansetup(sc, channel, interface) == 0)
293 continue;
294 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) ||
295 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) {
296 aprint_normal("%s: %s channel ignored (disabled)\n",
297 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, cp->name);
298 cp->ata_channel.ch_flags |= ATACH_DISABLED;
299 continue;
300 }
301 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
302 pciide_pci_intr);
303 }
304 }
305
306 static void
307 sis96x_setup_channel(struct ata_channel *chp)
308 {
309 struct ata_drive_datas *drvp;
310 int drive, s;
311 u_int32_t sis_tim;
312 u_int32_t idedma_ctl;
313 int regtim;
314 struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
315 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
316
317 sis_tim = 0;
318 idedma_ctl = 0;
319 /* setup DMA if needed */
320 pciide_channel_dma_setup(cp);
321
322 for (drive = 0; drive < 2; drive++) {
323 regtim = SIS_TIM133(
324 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57),
325 chp->ch_channel, drive);
326 drvp = &chp->ch_drive[drive];
327 /* If no drive, skip */
328 if ((drvp->drive_flags & DRIVE) == 0)
329 continue;
330 /* add timing values, setup DMA if needed */
331 if (drvp->drive_flags & DRIVE_UDMA) {
332 /* use Ultra/DMA */
333 s = splbio();
334 drvp->drive_flags &= ~DRIVE_DMA;
335 splx(s);
336 if (pciide_pci_read(sc->sc_pc, sc->sc_tag,
337 SIS96x_REG_CBL(chp->ch_channel)) & SIS96x_REG_CBL_33) {
338 if (drvp->UDMA_mode > 2)
339 drvp->UDMA_mode = 2;
340 }
341 sis_tim |= sis_udma133new_tim[drvp->UDMA_mode];
342 sis_tim |= sis_pio133new_tim[drvp->PIO_mode];
343 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
344 } else if (drvp->drive_flags & DRIVE_DMA) {
345 /*
346 * use Multiword DMA
347 * Timings will be used for both PIO and DMA,
348 * so adjust DMA mode if needed
349 */
350 if (drvp->PIO_mode > (drvp->DMA_mode + 2))
351 drvp->PIO_mode = drvp->DMA_mode + 2;
352 if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
353 drvp->DMA_mode = (drvp->PIO_mode > 2) ?
354 drvp->PIO_mode - 2 : 0;
355 sis_tim |= sis_dma133new_tim[drvp->DMA_mode];
356 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
357 } else {
358 sis_tim |= sis_pio133new_tim[drvp->PIO_mode];
359 }
360 ATADEBUG_PRINT(("sis96x_setup_channel: new timings reg for "
361 "channel %d drive %d: 0x%x (reg 0x%x)\n",
362 chp->ch_channel, drive, sis_tim, regtim), DEBUG_PROBE);
363 pci_conf_write(sc->sc_pc, sc->sc_tag, regtim, sis_tim);
364 }
365 if (idedma_ctl != 0) {
366 /* Add software bits in status register */
367 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
368 idedma_ctl);
369 }
370 }
371
372 static void
373 sis_setup_channel(struct ata_channel *chp)
374 {
375 struct ata_drive_datas *drvp;
376 int drive, s;
377 u_int32_t sis_tim;
378 u_int32_t idedma_ctl;
379 struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
380 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
381
382 ATADEBUG_PRINT(("sis_setup_channel: old timings reg for "
383 "channel %d 0x%x\n", chp->ch_channel,
384 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->ch_channel))),
385 DEBUG_PROBE);
386 sis_tim = 0;
387 idedma_ctl = 0;
388 /* setup DMA if needed */
389 pciide_channel_dma_setup(cp);
390
391 for (drive = 0; drive < 2; drive++) {
392 drvp = &chp->ch_drive[drive];
393 /* If no drive, skip */
394 if ((drvp->drive_flags & DRIVE) == 0)
395 continue;
396 /* add timing values, setup DMA if needed */
397 if ((drvp->drive_flags & DRIVE_DMA) == 0 &&
398 (drvp->drive_flags & DRIVE_UDMA) == 0)
399 goto pio;
400
401 if (drvp->drive_flags & DRIVE_UDMA) {
402 /* use Ultra/DMA */
403 s = splbio();
404 drvp->drive_flags &= ~DRIVE_DMA;
405 splx(s);
406 if (pciide_pci_read(sc->sc_pc, sc->sc_tag,
407 SIS_REG_CBL) & SIS_REG_CBL_33(chp->ch_channel)) {
408 if (drvp->UDMA_mode > 2)
409 drvp->UDMA_mode = 2;
410 }
411 switch (sc->sis_type) {
412 case SIS_TYPE_66:
413 case SIS_TYPE_100OLD:
414 sis_tim |= sis_udma66_tim[drvp->UDMA_mode] <<
415 SIS_TIM66_UDMA_TIME_OFF(drive);
416 break;
417 case SIS_TYPE_100NEW:
418 sis_tim |=
419 sis_udma100new_tim[drvp->UDMA_mode] <<
420 SIS_TIM100_UDMA_TIME_OFF(drive);
421 case SIS_TYPE_133OLD:
422 sis_tim |=
423 sis_udma133old_tim[drvp->UDMA_mode] <<
424 SIS_TIM100_UDMA_TIME_OFF(drive);
425 break;
426 default:
427 aprint_error("unknown SiS IDE type %d\n",
428 sc->sis_type);
429 }
430 } else {
431 /*
432 * use Multiword DMA
433 * Timings will be used for both PIO and DMA,
434 * so adjust DMA mode if needed
435 */
436 if (drvp->PIO_mode > (drvp->DMA_mode + 2))
437 drvp->PIO_mode = drvp->DMA_mode + 2;
438 if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
439 drvp->DMA_mode = (drvp->PIO_mode > 2) ?
440 drvp->PIO_mode - 2 : 0;
441 if (drvp->DMA_mode == 0)
442 drvp->PIO_mode = 0;
443 }
444 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
445 pio: switch (sc->sis_type) {
446 case SIS_TYPE_NOUDMA:
447 case SIS_TYPE_66:
448 case SIS_TYPE_100OLD:
449 sis_tim |= sis_pio_act[drvp->PIO_mode] <<
450 SIS_TIM66_ACT_OFF(drive);
451 sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
452 SIS_TIM66_REC_OFF(drive);
453 break;
454 case SIS_TYPE_100NEW:
455 case SIS_TYPE_133OLD:
456 sis_tim |= sis_pio_act[drvp->PIO_mode] <<
457 SIS_TIM100_ACT_OFF(drive);
458 sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
459 SIS_TIM100_REC_OFF(drive);
460 break;
461 default:
462 aprint_error("unknown SiS IDE type %d\n",
463 sc->sis_type);
464 }
465 }
466 ATADEBUG_PRINT(("sis_setup_channel: new timings reg for "
467 "channel %d 0x%x\n", chp->ch_channel, sis_tim), DEBUG_PROBE);
468 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->ch_channel),
469 sis_tim);
470 if (idedma_ctl != 0) {
471 /* Add software bits in status register */
472 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
473 idedma_ctl);
474 }
475 }
476
477 static void
478 sis_sata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
479 {
480 struct pciide_channel *cp;
481 pcireg_t interface = PCI_INTERFACE(pa->pa_class);
482 int channel;
483 bus_size_t cmdsize, ctlsize;
484
485 if (pciide_chipen(sc, pa) == 0)
486 return;
487
488 if (interface == 0) {
489 ATADEBUG_PRINT(("sis_sata_chip_map interface == 0\n"),
490 DEBUG_PROBE);
491 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
492 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
493 }
494
495 aprint_normal("%s: Silicon Integrated Systems 180/96X SATA controller (rev. 0x%02x)\n",
496 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname,
497 PCI_REVISION(pa->pa_class));
498
499 aprint_normal("%s: bus-master DMA support present",
500 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname);
501 pciide_mapreg_dma(sc, pa);
502 aprint_normal("\n");
503
504 if (sc->sc_dma_ok) {
505 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA | ATAC_CAP_DMA;
506 sc->sc_wdcdev.irqack = pciide_irqack;
507 }
508 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
509 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
510 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
511
512 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
513 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
514 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
515 sc->sc_wdcdev.sc_atac.atac_set_modes = sata_setup_channel;
516
517 wdc_allocate_regs(&sc->sc_wdcdev);
518
519 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
520 channel++) {
521 cp = &sc->pciide_channels[channel];
522 if (pciide_chansetup(sc, channel, interface) == 0)
523 continue;
524 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
525 pciide_pci_intr);
526 }
527 }
528