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acpi: Add Windows ACPI Emulated Device Table (WAET)
[qemu/ar7.git] / hw / audio / intel-hda.c
blobe8d18b7c5887f0099b230f9f34432383b71f9e80
1 /*
2 * Copyright (C) 2010 Red Hat, Inc.
3 *
4 * written by Gerd Hoffmann <kraxel@redhat.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 or
9 * (at your option) version 3 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "qemu/osdep.h"
21 #include "hw/pci/pci.h"
22 #include "hw/qdev-properties.h"
23 #include "hw/pci/msi.h"
24 #include "qemu/timer.h"
25 #include "qemu/bitops.h"
26 #include "qemu/log.h"
27 #include "qemu/module.h"
28 #include "hw/audio/soundhw.h"
29 #include "intel-hda.h"
30 #include "migration/vmstate.h"
31 #include "intel-hda-defs.h"
32 #include "sysemu/dma.h"
33 #include "qapi/error.h"
34
35 /* --------------------------------------------------------------------- */
36 /* hda bus */
37
38 static Property hda_props[] = {
39 DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
40 DEFINE_PROP_END_OF_LIST()
41 };
42
43 static const TypeInfo hda_codec_bus_info = {
44 .name = TYPE_HDA_BUS,
45 .parent = TYPE_BUS,
46 .instance_size = sizeof(HDACodecBus),
47 };
48
49 void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
50 hda_codec_response_func response,
51 hda_codec_xfer_func xfer)
52 {
53 qbus_create_inplace(bus, bus_size, TYPE_HDA_BUS, dev, NULL);
54 bus->response = response;
55 bus->xfer = xfer;
56 }
57
58 static void hda_codec_dev_realize(DeviceState *qdev, Error **errp)
59 {
60 HDACodecBus *bus = HDA_BUS(qdev->parent_bus);
61 HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
62 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
63
64 if (dev->cad == -1) {
65 dev->cad = bus->next_cad;
66 }
67 if (dev->cad >= 15) {
68 error_setg(errp, "HDA audio codec address is full");
69 return;
70 }
71 bus->next_cad = dev->cad + 1;
72 if (cdc->init(dev) != 0) {
73 error_setg(errp, "HDA audio init failed");
74 }
75 }
76
77 static void hda_codec_dev_unrealize(DeviceState *qdev, Error **errp)
78 {
79 HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
80 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
81
82 if (cdc->exit) {
83 cdc->exit(dev);
84 }
85 }
86
87 HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
88 {
89 BusChild *kid;
90 HDACodecDevice *cdev;
91
92 QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
93 DeviceState *qdev = kid->child;
94 cdev = HDA_CODEC_DEVICE(qdev);
95 if (cdev->cad == cad) {
96 return cdev;
97 }
98 }
99 return NULL;
100 }
101
102 void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
103 {
104 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
105 bus->response(dev, solicited, response);
106 }
107
108 bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
109 uint8_t *buf, uint32_t len)
110 {
111 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
112 return bus->xfer(dev, stnr, output, buf, len);
113 }
114
115 /* --------------------------------------------------------------------- */
116 /* intel hda emulation */
117
118 typedef struct IntelHDAStream IntelHDAStream;
119 typedef struct IntelHDAState IntelHDAState;
120 typedef struct IntelHDAReg IntelHDAReg;
121
122 typedef struct bpl {
123 uint64_t addr;
124 uint32_t len;
125 uint32_t flags;
126 } bpl;
127
128 struct IntelHDAStream {
129 /* registers */
130 uint32_t ctl;
131 uint32_t lpib;
132 uint32_t cbl;
133 uint32_t lvi;
134 uint32_t fmt;
135 uint32_t bdlp_lbase;
136 uint32_t bdlp_ubase;
137
138 /* state */
139 bpl *bpl;
140 uint32_t bentries;
141 uint32_t bsize, be, bp;
142 };
143
144 struct IntelHDAState {
145 PCIDevice pci;
146 const char *name;
147 HDACodecBus codecs;
148
149 /* registers */
150 uint32_t g_ctl;
151 uint32_t wake_en;
152 uint32_t state_sts;
153 uint32_t int_ctl;
154 uint32_t int_sts;
155 uint32_t wall_clk;
156
157 uint32_t corb_lbase;
158 uint32_t corb_ubase;
159 uint32_t corb_rp;
160 uint32_t corb_wp;
161 uint32_t corb_ctl;
162 uint32_t corb_sts;
163 uint32_t corb_size;
164
165 uint32_t rirb_lbase;
166 uint32_t rirb_ubase;
167 uint32_t rirb_wp;
168 uint32_t rirb_cnt;
169 uint32_t rirb_ctl;
170 uint32_t rirb_sts;
171 uint32_t rirb_size;
172
173 uint32_t dp_lbase;
174 uint32_t dp_ubase;
175
176 uint32_t icw;
177 uint32_t irr;
178 uint32_t ics;
179
180 /* streams */
181 IntelHDAStream st[8];
182
183 /* state */
184 MemoryRegion container;
185 MemoryRegion mmio;
186 MemoryRegion alias;
187 uint32_t rirb_count;
188 int64_t wall_base_ns;
189
190 /* debug logging */
191 const IntelHDAReg *last_reg;
192 uint32_t last_val;
193 uint32_t last_write;
194 uint32_t last_sec;
195 uint32_t repeat_count;
196
197 /* properties */
198 uint32_t debug;
199 OnOffAuto msi;
200 bool old_msi_addr;
201 };
202
203 #define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
204
205 #define INTEL_HDA(obj) \
206 OBJECT_CHECK(IntelHDAState, (obj), TYPE_INTEL_HDA_GENERIC)
207
208 struct IntelHDAReg {
209 const char *name; /* register name */
210 uint32_t size; /* size in bytes */
211 uint32_t reset; /* reset value */
212 uint32_t wmask; /* write mask */
213 uint32_t wclear; /* write 1 to clear bits */
214 uint32_t offset; /* location in IntelHDAState */
215 uint32_t shift; /* byte access entries for dwords */
216 uint32_t stream;
217 void (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
218 void (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
219 };
220
221 static void intel_hda_reset(DeviceState *dev);
222
223 /* --------------------------------------------------------------------- */
224
225 static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase)
226 {
227 return ((uint64_t)ubase << 32) | lbase;
228 }
229
230 static void intel_hda_update_int_sts(IntelHDAState *d)
231 {
232 uint32_t sts = 0;
233 uint32_t i;
234
235 /* update controller status */
236 if (d->rirb_sts & ICH6_RBSTS_IRQ) {
237 sts |= (1 << 30);
238 }
239 if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
240 sts |= (1 << 30);
241 }
242 if (d->state_sts & d->wake_en) {
243 sts |= (1 << 30);
244 }
245
246 /* update stream status */
247 for (i = 0; i < 8; i++) {
248 /* buffer completion interrupt */
249 if (d->st[i].ctl & (1 << 26)) {
250 sts |= (1 << i);
251 }
252 }
253
254 /* update global status */
255 if (sts & d->int_ctl) {
256 sts |= (1U << 31);
257 }
258
259 d->int_sts = sts;
260 }
261
262 static void intel_hda_update_irq(IntelHDAState *d)
263 {
264 bool msi = msi_enabled(&d->pci);
265 int level;
266
267 intel_hda_update_int_sts(d);
268 if (d->int_sts & (1U << 31) && d->int_ctl & (1U << 31)) {
269 level = 1;
270 } else {
271 level = 0;
272 }
273 dprint(d, 2, "%s: level %d [%s]\n", __func__,
274 level, msi ? "msi" : "intx");
275 if (msi) {
276 if (level) {
277 msi_notify(&d->pci, 0);
278 }
279 } else {
280 pci_set_irq(&d->pci, level);
281 }
282 }
283
284 static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
285 {
286 uint32_t cad, nid, data;
287 HDACodecDevice *codec;
288 HDACodecDeviceClass *cdc;
289
290 cad = (verb >> 28) & 0x0f;
291 if (verb & (1 << 27)) {
292 /* indirect node addressing, not specified in HDA 1.0 */
293 dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __func__);
294 return -1;
295 }
296 nid = (verb >> 20) & 0x7f;
297 data = verb & 0xfffff;
298
299 codec = hda_codec_find(&d->codecs, cad);
300 if (codec == NULL) {
301 dprint(d, 1, "%s: addressed non-existing codec\n", __func__);
302 return -1;
303 }
304 cdc = HDA_CODEC_DEVICE_GET_CLASS(codec);
305 cdc->command(codec, nid, data);
306 return 0;
307 }
308
309 static void intel_hda_corb_run(IntelHDAState *d)
310 {
311 hwaddr addr;
312 uint32_t rp, verb;
313
314 if (d->ics & ICH6_IRS_BUSY) {
315 dprint(d, 2, "%s: [icw] verb 0x%08x\n", __func__, d->icw);
316 intel_hda_send_command(d, d->icw);
317 return;
318 }
319
320 for (;;) {
321 if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
322 dprint(d, 2, "%s: !run\n", __func__);
323 return;
324 }
325 if ((d->corb_rp & 0xff) == d->corb_wp) {
326 dprint(d, 2, "%s: corb ring empty\n", __func__);
327 return;
328 }
329 if (d->rirb_count == d->rirb_cnt) {
330 dprint(d, 2, "%s: rirb count reached\n", __func__);
331 return;
332 }
333
334 rp = (d->corb_rp + 1) & 0xff;
335 addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
336 verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
337 d->corb_rp = rp;
338
339 dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __func__, rp, verb);
340 intel_hda_send_command(d, verb);
341 }
342 }
343
344 static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
345 {
346 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
347 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
348 hwaddr addr;
349 uint32_t wp, ex;
350
351 if (d->ics & ICH6_IRS_BUSY) {
352 dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
353 __func__, response, dev->cad);
354 d->irr = response;
355 d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
356 d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
357 return;
358 }
359
360 if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
361 dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __func__);
362 return;
363 }
364
365 ex = (solicited ? 0 : (1 << 4)) | dev->cad;
366 wp = (d->rirb_wp + 1) & 0xff;
367 addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
368 stl_le_pci_dma(&d->pci, addr + 8*wp, response);
369 stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
370 d->rirb_wp = wp;
371
372 dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
373 __func__, wp, response, ex);
374
375 d->rirb_count++;
376 if (d->rirb_count == d->rirb_cnt) {
377 dprint(d, 2, "%s: rirb count reached (%d)\n", __func__, d->rirb_count);
378 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
379 d->rirb_sts |= ICH6_RBSTS_IRQ;
380 intel_hda_update_irq(d);
381 }
382 } else if ((d->corb_rp & 0xff) == d->corb_wp) {
383 dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __func__,
384 d->rirb_count, d->rirb_cnt);
385 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
386 d->rirb_sts |= ICH6_RBSTS_IRQ;
387 intel_hda_update_irq(d);
388 }
389 }
390 }
391
392 static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
393 uint8_t *buf, uint32_t len)
394 {
395 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
396 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
397 hwaddr addr;
398 uint32_t s, copy, left;
399 IntelHDAStream *st;
400 bool irq = false;
401
402 st = output ? d->st + 4 : d->st;
403 for (s = 0; s < 4; s++) {
404 if (stnr == ((st[s].ctl >> 20) & 0x0f)) {
405 st = st + s;
406 break;
407 }
408 }
409 if (s == 4) {
410 return false;
411 }
412 if (st->bpl == NULL) {
413 return false;
414 }
415
416 left = len;
417 s = st->bentries;
418 while (left > 0 && s-- > 0) {
419 copy = left;
420 if (copy > st->bsize - st->lpib)
421 copy = st->bsize - st->lpib;
422 if (copy > st->bpl[st->be].len - st->bp)
423 copy = st->bpl[st->be].len - st->bp;
424
425 dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
426 st->be, st->bp, st->bpl[st->be].len, copy);
427
428 pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output);
429 st->lpib += copy;
430 st->bp += copy;
431 buf += copy;
432 left -= copy;
433
434 if (st->bpl[st->be].len == st->bp) {
435 /* bpl entry filled */
436 if (st->bpl[st->be].flags & 0x01) {
437 irq = true;
438 }
439 st->bp = 0;
440 st->be++;
441 if (st->be == st->bentries) {
442 /* bpl wrap around */
443 st->be = 0;
444 st->lpib = 0;
445 }
446 }
447 }
448 if (d->dp_lbase & 0x01) {
449 s = st - d->st;
450 addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
451 stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib);
452 }
453 dprint(d, 3, "dma: --\n");
454
455 if (irq) {
456 st->ctl |= (1 << 26); /* buffer completion interrupt */
457 intel_hda_update_irq(d);
458 }
459 return true;
460 }
461
462 static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
463 {
464 hwaddr addr;
465 uint8_t buf[16];
466 uint32_t i;
467
468 addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
469 st->bentries = st->lvi +1;
470 g_free(st->bpl);
471 st->bpl = g_malloc(sizeof(bpl) * st->bentries);
472 for (i = 0; i < st->bentries; i++, addr += 16) {
473 pci_dma_read(&d->pci, addr, buf, 16);
474 st->bpl[i].addr = le64_to_cpu(*(uint64_t *)buf);
475 st->bpl[i].len = le32_to_cpu(*(uint32_t *)(buf + 8));
476 st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
477 dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
478 i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
479 }
480
481 st->bsize = st->cbl;
482 st->lpib = 0;
483 st->be = 0;
484 st->bp = 0;
485 }
486
487 static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output)
488 {
489 BusChild *kid;
490 HDACodecDevice *cdev;
491
492 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
493 DeviceState *qdev = kid->child;
494 HDACodecDeviceClass *cdc;
495
496 cdev = HDA_CODEC_DEVICE(qdev);
497 cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev);
498 if (cdc->stream) {
499 cdc->stream(cdev, stream, running, output);
500 }
501 }
502 }
503
504 /* --------------------------------------------------------------------- */
505
506 static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
507 {
508 if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
509 intel_hda_reset(DEVICE(d));
510 }
511 }
512
513 static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
514 {
515 intel_hda_update_irq(d);
516 }
517
518 static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
519 {
520 intel_hda_update_irq(d);
521 }
522
523 static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
524 {
525 intel_hda_update_irq(d);
526 }
527
528 static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
529 {
530 int64_t ns;
531
532 ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - d->wall_base_ns;
533 d->wall_clk = (uint32_t)(ns * 24 / 1000); /* 24 MHz */
534 }
535
536 static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
537 {
538 intel_hda_corb_run(d);
539 }
540
541 static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
542 {
543 intel_hda_corb_run(d);
544 }
545
546 static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
547 {
548 if (d->rirb_wp & ICH6_RIRBWP_RST) {
549 d->rirb_wp = 0;
550 }
551 }
552
553 static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
554 {
555 intel_hda_update_irq(d);
556
557 if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
558 /* cleared ICH6_RBSTS_IRQ */
559 d->rirb_count = 0;
560 intel_hda_corb_run(d);
561 }
562 }
563
564 static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
565 {
566 if (d->ics & ICH6_IRS_BUSY) {
567 intel_hda_corb_run(d);
568 }
569 }
570
571 static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
572 {
573 bool output = reg->stream >= 4;
574 IntelHDAStream *st = d->st + reg->stream;
575
576 if (st->ctl & 0x01) {
577 /* reset */
578 dprint(d, 1, "st #%d: reset\n", reg->stream);
579 st->ctl = SD_STS_FIFO_READY << 24;
580 }
581 if ((st->ctl & 0x02) != (old & 0x02)) {
582 uint32_t stnr = (st->ctl >> 20) & 0x0f;
583 /* run bit flipped */
584 if (st->ctl & 0x02) {
585 /* start */
586 dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
587 reg->stream, stnr, st->cbl);
588 intel_hda_parse_bdl(d, st);
589 intel_hda_notify_codecs(d, stnr, true, output);
590 } else {
591 /* stop */
592 dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
593 intel_hda_notify_codecs(d, stnr, false, output);
594 }
595 }
596 intel_hda_update_irq(d);
597 }
598
599 /* --------------------------------------------------------------------- */
600
601 #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
602
603 static const struct IntelHDAReg regtab[] = {
604 /* global */
605 [ ICH6_REG_GCAP ] = {
606 .name = "GCAP",
607 .size = 2,
608 .reset = 0x4401,
609 },
610 [ ICH6_REG_VMIN ] = {
611 .name = "VMIN",
612 .size = 1,
613 },
614 [ ICH6_REG_VMAJ ] = {
615 .name = "VMAJ",
616 .size = 1,
617 .reset = 1,
618 },
619 [ ICH6_REG_OUTPAY ] = {
620 .name = "OUTPAY",
621 .size = 2,
622 .reset = 0x3c,
623 },
624 [ ICH6_REG_INPAY ] = {
625 .name = "INPAY",
626 .size = 2,
627 .reset = 0x1d,
628 },
629 [ ICH6_REG_GCTL ] = {
630 .name = "GCTL",
631 .size = 4,
632 .wmask = 0x0103,
633 .offset = offsetof(IntelHDAState, g_ctl),
634 .whandler = intel_hda_set_g_ctl,
635 },
636 [ ICH6_REG_WAKEEN ] = {
637 .name = "WAKEEN",
638 .size = 2,
639 .wmask = 0x7fff,
640 .offset = offsetof(IntelHDAState, wake_en),
641 .whandler = intel_hda_set_wake_en,
642 },
643 [ ICH6_REG_STATESTS ] = {
644 .name = "STATESTS",
645 .size = 2,
646 .wmask = 0x7fff,
647 .wclear = 0x7fff,
648 .offset = offsetof(IntelHDAState, state_sts),
649 .whandler = intel_hda_set_state_sts,
650 },
651
652 /* interrupts */
653 [ ICH6_REG_INTCTL ] = {
654 .name = "INTCTL",
655 .size = 4,
656 .wmask = 0xc00000ff,
657 .offset = offsetof(IntelHDAState, int_ctl),
658 .whandler = intel_hda_set_int_ctl,
659 },
660 [ ICH6_REG_INTSTS ] = {
661 .name = "INTSTS",
662 .size = 4,
663 .wmask = 0xc00000ff,
664 .wclear = 0xc00000ff,
665 .offset = offsetof(IntelHDAState, int_sts),
666 },
667
668 /* misc */
669 [ ICH6_REG_WALLCLK ] = {
670 .name = "WALLCLK",
671 .size = 4,
672 .offset = offsetof(IntelHDAState, wall_clk),
673 .rhandler = intel_hda_get_wall_clk,
674 },
675
676 /* dma engine */
677 [ ICH6_REG_CORBLBASE ] = {
678 .name = "CORBLBASE",
679 .size = 4,
680 .wmask = 0xffffff80,
681 .offset = offsetof(IntelHDAState, corb_lbase),
682 },
683 [ ICH6_REG_CORBUBASE ] = {
684 .name = "CORBUBASE",
685 .size = 4,
686 .wmask = 0xffffffff,
687 .offset = offsetof(IntelHDAState, corb_ubase),
688 },
689 [ ICH6_REG_CORBWP ] = {
690 .name = "CORBWP",
691 .size = 2,
692 .wmask = 0xff,
693 .offset = offsetof(IntelHDAState, corb_wp),
694 .whandler = intel_hda_set_corb_wp,
695 },
696 [ ICH6_REG_CORBRP ] = {
697 .name = "CORBRP",
698 .size = 2,
699 .wmask = 0x80ff,
700 .offset = offsetof(IntelHDAState, corb_rp),
701 },
702 [ ICH6_REG_CORBCTL ] = {
703 .name = "CORBCTL",
704 .size = 1,
705 .wmask = 0x03,
706 .offset = offsetof(IntelHDAState, corb_ctl),
707 .whandler = intel_hda_set_corb_ctl,
708 },
709 [ ICH6_REG_CORBSTS ] = {
710 .name = "CORBSTS",
711 .size = 1,
712 .wmask = 0x01,
713 .wclear = 0x01,
714 .offset = offsetof(IntelHDAState, corb_sts),
715 },
716 [ ICH6_REG_CORBSIZE ] = {
717 .name = "CORBSIZE",
718 .size = 1,
719 .reset = 0x42,
720 .offset = offsetof(IntelHDAState, corb_size),
721 },
722 [ ICH6_REG_RIRBLBASE ] = {
723 .name = "RIRBLBASE",
724 .size = 4,
725 .wmask = 0xffffff80,
726 .offset = offsetof(IntelHDAState, rirb_lbase),
727 },
728 [ ICH6_REG_RIRBUBASE ] = {
729 .name = "RIRBUBASE",
730 .size = 4,
731 .wmask = 0xffffffff,
732 .offset = offsetof(IntelHDAState, rirb_ubase),
733 },
734 [ ICH6_REG_RIRBWP ] = {
735 .name = "RIRBWP",
736 .size = 2,
737 .wmask = 0x8000,
738 .offset = offsetof(IntelHDAState, rirb_wp),
739 .whandler = intel_hda_set_rirb_wp,
740 },
741 [ ICH6_REG_RINTCNT ] = {
742 .name = "RINTCNT",
743 .size = 2,
744 .wmask = 0xff,
745 .offset = offsetof(IntelHDAState, rirb_cnt),
746 },
747 [ ICH6_REG_RIRBCTL ] = {
748 .name = "RIRBCTL",
749 .size = 1,
750 .wmask = 0x07,
751 .offset = offsetof(IntelHDAState, rirb_ctl),
752 },
753 [ ICH6_REG_RIRBSTS ] = {
754 .name = "RIRBSTS",
755 .size = 1,
756 .wmask = 0x05,
757 .wclear = 0x05,
758 .offset = offsetof(IntelHDAState, rirb_sts),
759 .whandler = intel_hda_set_rirb_sts,
760 },
761 [ ICH6_REG_RIRBSIZE ] = {
762 .name = "RIRBSIZE",
763 .size = 1,
764 .reset = 0x42,
765 .offset = offsetof(IntelHDAState, rirb_size),
766 },
767
768 [ ICH6_REG_DPLBASE ] = {
769 .name = "DPLBASE",
770 .size = 4,
771 .wmask = 0xffffff81,
772 .offset = offsetof(IntelHDAState, dp_lbase),
773 },
774 [ ICH6_REG_DPUBASE ] = {
775 .name = "DPUBASE",
776 .size = 4,
777 .wmask = 0xffffffff,
778 .offset = offsetof(IntelHDAState, dp_ubase),
779 },
780
781 [ ICH6_REG_IC ] = {
782 .name = "ICW",
783 .size = 4,
784 .wmask = 0xffffffff,
785 .offset = offsetof(IntelHDAState, icw),
786 },
787 [ ICH6_REG_IR ] = {
788 .name = "IRR",
789 .size = 4,
790 .offset = offsetof(IntelHDAState, irr),
791 },
792 [ ICH6_REG_IRS ] = {
793 .name = "ICS",
794 .size = 2,
795 .wmask = 0x0003,
796 .wclear = 0x0002,
797 .offset = offsetof(IntelHDAState, ics),
798 .whandler = intel_hda_set_ics,
799 },
800
801 #define HDA_STREAM(_t, _i) \
802 [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \
803 .stream = _i, \
804 .name = _t stringify(_i) " CTL", \
805 .size = 4, \
806 .wmask = 0x1cff001f, \
807 .offset = offsetof(IntelHDAState, st[_i].ctl), \
808 .whandler = intel_hda_set_st_ctl, \
809 }, \
810 [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \
811 .stream = _i, \
812 .name = _t stringify(_i) " CTL(stnr)", \
813 .size = 1, \
814 .shift = 16, \
815 .wmask = 0x00ff0000, \
816 .offset = offsetof(IntelHDAState, st[_i].ctl), \
817 .whandler = intel_hda_set_st_ctl, \
818 }, \
819 [ ST_REG(_i, ICH6_REG_SD_STS)] = { \
820 .stream = _i, \
821 .name = _t stringify(_i) " CTL(sts)", \
822 .size = 1, \
823 .shift = 24, \
824 .wmask = 0x1c000000, \
825 .wclear = 0x1c000000, \
826 .offset = offsetof(IntelHDAState, st[_i].ctl), \
827 .whandler = intel_hda_set_st_ctl, \
828 .reset = SD_STS_FIFO_READY << 24 \
829 }, \
830 [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
831 .stream = _i, \
832 .name = _t stringify(_i) " LPIB", \
833 .size = 4, \
834 .offset = offsetof(IntelHDAState, st[_i].lpib), \
835 }, \
836 [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \
837 .stream = _i, \
838 .name = _t stringify(_i) " CBL", \
839 .size = 4, \
840 .wmask = 0xffffffff, \
841 .offset = offsetof(IntelHDAState, st[_i].cbl), \
842 }, \
843 [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \
844 .stream = _i, \
845 .name = _t stringify(_i) " LVI", \
846 .size = 2, \
847 .wmask = 0x00ff, \
848 .offset = offsetof(IntelHDAState, st[_i].lvi), \
849 }, \
850 [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \
851 .stream = _i, \
852 .name = _t stringify(_i) " FIFOS", \
853 .size = 2, \
854 .reset = HDA_BUFFER_SIZE, \
855 }, \
856 [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \
857 .stream = _i, \
858 .name = _t stringify(_i) " FMT", \
859 .size = 2, \
860 .wmask = 0x7f7f, \
861 .offset = offsetof(IntelHDAState, st[_i].fmt), \
862 }, \
863 [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \
864 .stream = _i, \
865 .name = _t stringify(_i) " BDLPL", \
866 .size = 4, \
867 .wmask = 0xffffff80, \
868 .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \
869 }, \
870 [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \
871 .stream = _i, \
872 .name = _t stringify(_i) " BDLPU", \
873 .size = 4, \
874 .wmask = 0xffffffff, \
875 .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \
876 }, \
877
878 HDA_STREAM("IN", 0)
879 HDA_STREAM("IN", 1)
880 HDA_STREAM("IN", 2)
881 HDA_STREAM("IN", 3)
882
883 HDA_STREAM("OUT", 4)
884 HDA_STREAM("OUT", 5)
885 HDA_STREAM("OUT", 6)
886 HDA_STREAM("OUT", 7)
887
888 };
889
890 static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr)
891 {
892 const IntelHDAReg *reg;
893
894 if (addr >= ARRAY_SIZE(regtab)) {
895 goto noreg;
896 }
897 reg = regtab+addr;
898 if (reg->name == NULL) {
899 goto noreg;
900 }
901 return reg;
902
903 noreg:
904 dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
905 return NULL;
906 }
907
908 static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
909 {
910 uint8_t *addr = (void*)d;
911
912 addr += reg->offset;
913 return (uint32_t*)addr;
914 }
915
916 static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
917 uint32_t wmask)
918 {
919 uint32_t *addr;
920 uint32_t old;
921
922 if (!reg) {
923 return;
924 }
925 if (!reg->wmask) {
926 qemu_log_mask(LOG_GUEST_ERROR, "intel-hda: write to r/o reg %s\n",
927 reg->name);
928 return;
929 }
930
931 if (d->debug) {
932 time_t now = time(NULL);
933 if (d->last_write && d->last_reg == reg && d->last_val == val) {
934 d->repeat_count++;
935 if (d->last_sec != now) {
936 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
937 d->last_sec = now;
938 d->repeat_count = 0;
939 }
940 } else {
941 if (d->repeat_count) {
942 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
943 }
944 dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
945 d->last_write = 1;
946 d->last_reg = reg;
947 d->last_val = val;
948 d->last_sec = now;
949 d->repeat_count = 0;
950 }
951 }
952 assert(reg->offset != 0);
953
954 addr = intel_hda_reg_addr(d, reg);
955 old = *addr;
956
957 if (reg->shift) {
958 val <<= reg->shift;
959 wmask <<= reg->shift;
960 }
961 wmask &= reg->wmask;
962 *addr &= ~wmask;
963 *addr |= wmask & val;
964 *addr &= ~(val & reg->wclear);
965
966 if (reg->whandler) {
967 reg->whandler(d, reg, old);
968 }
969 }
970
971 static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
972 uint32_t rmask)
973 {
974 uint32_t *addr, ret;
975
976 if (!reg) {
977 return 0;
978 }
979
980 if (reg->rhandler) {
981 reg->rhandler(d, reg);
982 }
983
984 if (reg->offset == 0) {
985 /* constant read-only register */
986 ret = reg->reset;
987 } else {
988 addr = intel_hda_reg_addr(d, reg);
989 ret = *addr;
990 if (reg->shift) {
991 ret >>= reg->shift;
992 }
993 ret &= rmask;
994 }
995 if (d->debug) {
996 time_t now = time(NULL);
997 if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
998 d->repeat_count++;
999 if (d->last_sec != now) {
1000 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1001 d->last_sec = now;
1002 d->repeat_count = 0;
1003 }
1004 } else {
1005 if (d->repeat_count) {
1006 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1007 }
1008 dprint(d, 2, "read %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1009 d->last_write = 0;
1010 d->last_reg = reg;
1011 d->last_val = ret;
1012 d->last_sec = now;
1013 d->repeat_count = 0;
1014 }
1015 }
1016 return ret;
1017 }
1018
1019 static void intel_hda_regs_reset(IntelHDAState *d)
1020 {
1021 uint32_t *addr;
1022 int i;
1023
1024 for (i = 0; i < ARRAY_SIZE(regtab); i++) {
1025 if (regtab[i].name == NULL) {
1026 continue;
1027 }
1028 if (regtab[i].offset == 0) {
1029 continue;
1030 }
1031 addr = intel_hda_reg_addr(d, regtab + i);
1032 *addr = regtab[i].reset;
1033 }
1034 }
1035
1036 /* --------------------------------------------------------------------- */
1037
1038 static void intel_hda_mmio_write(void *opaque, hwaddr addr, uint64_t val,
1039 unsigned size)
1040 {
1041 IntelHDAState *d = opaque;
1042 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1043
1044 intel_hda_reg_write(d, reg, val, MAKE_64BIT_MASK(0, size * 8));
1045 }
1046
1047 static uint64_t intel_hda_mmio_read(void *opaque, hwaddr addr, unsigned size)
1048 {
1049 IntelHDAState *d = opaque;
1050 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1051
1052 return intel_hda_reg_read(d, reg, MAKE_64BIT_MASK(0, size * 8));
1053 }
1054
1055 static const MemoryRegionOps intel_hda_mmio_ops = {
1056 .read = intel_hda_mmio_read,
1057 .write = intel_hda_mmio_write,
1058 .impl = {
1059 .min_access_size = 1,
1060 .max_access_size = 4,
1061 },
1062 .endianness = DEVICE_NATIVE_ENDIAN,
1063 };
1064
1065 /* --------------------------------------------------------------------- */
1066
1067 static void intel_hda_reset(DeviceState *dev)
1068 {
1069 BusChild *kid;
1070 IntelHDAState *d = INTEL_HDA(dev);
1071 HDACodecDevice *cdev;
1072
1073 intel_hda_regs_reset(d);
1074 d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1075
1076 /* reset codecs */
1077 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
1078 DeviceState *qdev = kid->child;
1079 cdev = HDA_CODEC_DEVICE(qdev);
1080 device_legacy_reset(DEVICE(cdev));
1081 d->state_sts |= (1 << cdev->cad);
1082 }
1083 intel_hda_update_irq(d);
1084 }
1085
1086 static void intel_hda_realize(PCIDevice *pci, Error **errp)
1087 {
1088 IntelHDAState *d = INTEL_HDA(pci);
1089 uint8_t *conf = d->pci.config;
1090 Error *err = NULL;
1091 int ret;
1092
1093 d->name = object_get_typename(OBJECT(d));
1094
1095 pci_config_set_interrupt_pin(conf, 1);
1096
1097 /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1098 conf[0x40] = 0x01;
1099
1100 if (d->msi != ON_OFF_AUTO_OFF) {
1101 ret = msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60,
1102 1, true, false, &err);
1103 /* Any error other than -ENOTSUP(board's MSI support is broken)
1104 * is a programming error */
1105 assert(!ret || ret == -ENOTSUP);
1106 if (ret && d->msi == ON_OFF_AUTO_ON) {
1107 /* Can't satisfy user's explicit msi=on request, fail */
1108 error_append_hint(&err, "You have to use msi=auto (default) or "
1109 "msi=off with this machine type.\n");
1110 error_propagate(errp, err);
1111 return;
1112 }
1113 assert(!err || d->msi == ON_OFF_AUTO_AUTO);
1114 /* With msi=auto, we fall back to MSI off silently */
1115 error_free(err);
1116 }
1117
1118 memory_region_init(&d->container, OBJECT(d),
1119 "intel-hda-container", 0x4000);
1120 memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d,
1121 "intel-hda", 0x2000);
1122 memory_region_add_subregion(&d->container, 0x0000, &d->mmio);
1123 memory_region_init_alias(&d->alias, OBJECT(d), "intel-hda-alias",
1124 &d->mmio, 0, 0x2000);
1125 memory_region_add_subregion(&d->container, 0x2000, &d->alias);
1126 pci_register_bar(&d->pci, 0, 0, &d->container);
1127
1128 hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
1129 intel_hda_response, intel_hda_xfer);
1130 }
1131
1132 static void intel_hda_exit(PCIDevice *pci)
1133 {
1134 IntelHDAState *d = INTEL_HDA(pci);
1135
1136 msi_uninit(&d->pci);
1137 }
1138
1139 static int intel_hda_post_load(void *opaque, int version)
1140 {
1141 IntelHDAState* d = opaque;
1142 int i;
1143
1144 dprint(d, 1, "%s\n", __func__);
1145 for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1146 if (d->st[i].ctl & 0x02) {
1147 intel_hda_parse_bdl(d, &d->st[i]);
1148 }
1149 }
1150 intel_hda_update_irq(d);
1151 return 0;
1152 }
1153
1154 static const VMStateDescription vmstate_intel_hda_stream = {
1155 .name = "intel-hda-stream",
1156 .version_id = 1,
1157 .fields = (VMStateField[]) {
1158 VMSTATE_UINT32(ctl, IntelHDAStream),
1159 VMSTATE_UINT32(lpib, IntelHDAStream),
1160 VMSTATE_UINT32(cbl, IntelHDAStream),
1161 VMSTATE_UINT32(lvi, IntelHDAStream),
1162 VMSTATE_UINT32(fmt, IntelHDAStream),
1163 VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1164 VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1165 VMSTATE_END_OF_LIST()
1166 }
1167 };
1168
1169 static const VMStateDescription vmstate_intel_hda = {
1170 .name = "intel-hda",
1171 .version_id = 1,
1172 .post_load = intel_hda_post_load,
1173 .fields = (VMStateField[]) {
1174 VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1175
1176 /* registers */
1177 VMSTATE_UINT32(g_ctl, IntelHDAState),
1178 VMSTATE_UINT32(wake_en, IntelHDAState),
1179 VMSTATE_UINT32(state_sts, IntelHDAState),
1180 VMSTATE_UINT32(int_ctl, IntelHDAState),
1181 VMSTATE_UINT32(int_sts, IntelHDAState),
1182 VMSTATE_UINT32(wall_clk, IntelHDAState),
1183 VMSTATE_UINT32(corb_lbase, IntelHDAState),
1184 VMSTATE_UINT32(corb_ubase, IntelHDAState),
1185 VMSTATE_UINT32(corb_rp, IntelHDAState),
1186 VMSTATE_UINT32(corb_wp, IntelHDAState),
1187 VMSTATE_UINT32(corb_ctl, IntelHDAState),
1188 VMSTATE_UINT32(corb_sts, IntelHDAState),
1189 VMSTATE_UINT32(corb_size, IntelHDAState),
1190 VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1191 VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1192 VMSTATE_UINT32(rirb_wp, IntelHDAState),
1193 VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1194 VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1195 VMSTATE_UINT32(rirb_sts, IntelHDAState),
1196 VMSTATE_UINT32(rirb_size, IntelHDAState),
1197 VMSTATE_UINT32(dp_lbase, IntelHDAState),
1198 VMSTATE_UINT32(dp_ubase, IntelHDAState),
1199 VMSTATE_UINT32(icw, IntelHDAState),
1200 VMSTATE_UINT32(irr, IntelHDAState),
1201 VMSTATE_UINT32(ics, IntelHDAState),
1202 VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1203 vmstate_intel_hda_stream,
1204 IntelHDAStream),
1205
1206 /* additional state info */
1207 VMSTATE_UINT32(rirb_count, IntelHDAState),
1208 VMSTATE_INT64(wall_base_ns, IntelHDAState),
1209
1210 VMSTATE_END_OF_LIST()
1211 }
1212 };
1213
1214 static Property intel_hda_properties[] = {
1215 DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1216 DEFINE_PROP_ON_OFF_AUTO("msi", IntelHDAState, msi, ON_OFF_AUTO_AUTO),
1217 DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState, old_msi_addr, false),
1218 DEFINE_PROP_END_OF_LIST(),
1219 };
1220
1221 static void intel_hda_class_init(ObjectClass *klass, void *data)
1222 {
1223 DeviceClass *dc = DEVICE_CLASS(klass);
1224 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1225
1226 k->realize = intel_hda_realize;
1227 k->exit = intel_hda_exit;
1228 k->vendor_id = PCI_VENDOR_ID_INTEL;
1229 k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;
1230 dc->reset = intel_hda_reset;
1231 dc->vmsd = &vmstate_intel_hda;
1232 device_class_set_props(dc, intel_hda_properties);
1233 }
1234
1235 static void intel_hda_class_init_ich6(ObjectClass *klass, void *data)
1236 {
1237 DeviceClass *dc = DEVICE_CLASS(klass);
1238 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1239
1240 k->device_id = 0x2668;
1241 k->revision = 1;
1242 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1243 dc->desc = "Intel HD Audio Controller (ich6)";
1244 }
1245
1246 static void intel_hda_class_init_ich9(ObjectClass *klass, void *data)
1247 {
1248 DeviceClass *dc = DEVICE_CLASS(klass);
1249 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1250
1251 k->device_id = 0x293e;
1252 k->revision = 3;
1253 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1254 dc->desc = "Intel HD Audio Controller (ich9)";
1255 }
1256
1257 static const TypeInfo intel_hda_info = {
1258 .name = TYPE_INTEL_HDA_GENERIC,
1259 .parent = TYPE_PCI_DEVICE,
1260 .instance_size = sizeof(IntelHDAState),
1261 .class_init = intel_hda_class_init,
1262 .abstract = true,
1263 .interfaces = (InterfaceInfo[]) {
1264 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
1265 { },
1266 },
1267 };
1268
1269 static const TypeInfo intel_hda_info_ich6 = {
1270 .name = "intel-hda",
1271 .parent = TYPE_INTEL_HDA_GENERIC,
1272 .class_init = intel_hda_class_init_ich6,
1273 };
1274
1275 static const TypeInfo intel_hda_info_ich9 = {
1276 .name = "ich9-intel-hda",
1277 .parent = TYPE_INTEL_HDA_GENERIC,
1278 .class_init = intel_hda_class_init_ich9,
1279 };
1280
1281 static void hda_codec_device_class_init(ObjectClass *klass, void *data)
1282 {
1283 DeviceClass *k = DEVICE_CLASS(klass);
1284 k->realize = hda_codec_dev_realize;
1285 k->unrealize = hda_codec_dev_unrealize;
1286 set_bit(DEVICE_CATEGORY_SOUND, k->categories);
1287 k->bus_type = TYPE_HDA_BUS;
1288 device_class_set_props(k, hda_props);
1289 }
1290
1291 static const TypeInfo hda_codec_device_type_info = {
1292 .name = TYPE_HDA_CODEC_DEVICE,
1293 .parent = TYPE_DEVICE,
1294 .instance_size = sizeof(HDACodecDevice),
1295 .abstract = true,
1296 .class_size = sizeof(HDACodecDeviceClass),
1297 .class_init = hda_codec_device_class_init,
1298 };
1299
1300 /*
1301 * create intel hda controller with codec attached to it,
1302 * so '-soundhw hda' works.
1303 */
1304 static int intel_hda_and_codec_init(PCIBus *bus)
1305 {
1306 DeviceState *controller;
1307 BusState *hdabus;
1308 DeviceState *codec;
1309
1310 controller = DEVICE(pci_create_simple(bus, -1, "intel-hda"));
1311 hdabus = QLIST_FIRST(&controller->child_bus);
1312 codec = qdev_create(hdabus, "hda-duplex");
1313 qdev_init_nofail(codec);
1314 return 0;
1315 }
1316
1317 static void intel_hda_register_types(void)
1318 {
1319 type_register_static(&hda_codec_bus_info);
1320 type_register_static(&intel_hda_info);
1321 type_register_static(&intel_hda_info_ich6);
1322 type_register_static(&intel_hda_info_ich9);
1323 type_register_static(&hda_codec_device_type_info);
1324 pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init);
1325 }
1326
1327 type_init(intel_hda_register_types)
AR7 emulation for QEMU