xref: /qemu/hw/audio/intel-hda.c (revision 72ac97cd)
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 "hw/hw.h"
21 #include "hw/pci/pci.h"
22 #include "hw/pci/msi.h"
23 #include "qemu/timer.h"
24 #include "hw/audio/audio.h"
25 #include "intel-hda.h"
26 #include "intel-hda-defs.h"
27 #include "sysemu/dma.h"
28 
29 /* --------------------------------------------------------------------- */
30 /* hda bus                                                               */
31 
32 static Property hda_props[] = {
33     DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
34     DEFINE_PROP_END_OF_LIST()
35 };
36 
37 static const TypeInfo hda_codec_bus_info = {
38     .name = TYPE_HDA_BUS,
39     .parent = TYPE_BUS,
40     .instance_size = sizeof(HDACodecBus),
41 };
42 
43 void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
44                         hda_codec_response_func response,
45                         hda_codec_xfer_func xfer)
46 {
47     qbus_create_inplace(bus, bus_size, TYPE_HDA_BUS, dev, NULL);
48     bus->response = response;
49     bus->xfer = xfer;
50 }
51 
52 static int hda_codec_dev_init(DeviceState *qdev)
53 {
54     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, qdev->parent_bus);
55     HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
56     HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
57 
58     if (dev->cad == -1) {
59         dev->cad = bus->next_cad;
60     }
61     if (dev->cad >= 15) {
62         return -1;
63     }
64     bus->next_cad = dev->cad + 1;
65     return cdc->init(dev);
66 }
67 
68 static int hda_codec_dev_exit(DeviceState *qdev)
69 {
70     HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
71     HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
72 
73     if (cdc->exit) {
74         cdc->exit(dev);
75     }
76     return 0;
77 }
78 
79 HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
80 {
81     BusChild *kid;
82     HDACodecDevice *cdev;
83 
84     QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
85         DeviceState *qdev = kid->child;
86         cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
87         if (cdev->cad == cad) {
88             return cdev;
89         }
90     }
91     return NULL;
92 }
93 
94 void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
95 {
96     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
97     bus->response(dev, solicited, response);
98 }
99 
100 bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
101                     uint8_t *buf, uint32_t len)
102 {
103     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
104     return bus->xfer(dev, stnr, output, buf, len);
105 }
106 
107 /* --------------------------------------------------------------------- */
108 /* intel hda emulation                                                   */
109 
110 typedef struct IntelHDAStream IntelHDAStream;
111 typedef struct IntelHDAState IntelHDAState;
112 typedef struct IntelHDAReg IntelHDAReg;
113 
114 typedef struct bpl {
115     uint64_t addr;
116     uint32_t len;
117     uint32_t flags;
118 } bpl;
119 
120 struct IntelHDAStream {
121     /* registers */
122     uint32_t ctl;
123     uint32_t lpib;
124     uint32_t cbl;
125     uint32_t lvi;
126     uint32_t fmt;
127     uint32_t bdlp_lbase;
128     uint32_t bdlp_ubase;
129 
130     /* state */
131     bpl      *bpl;
132     uint32_t bentries;
133     uint32_t bsize, be, bp;
134 };
135 
136 struct IntelHDAState {
137     PCIDevice pci;
138     const char *name;
139     HDACodecBus codecs;
140 
141     /* registers */
142     uint32_t g_ctl;
143     uint32_t wake_en;
144     uint32_t state_sts;
145     uint32_t int_ctl;
146     uint32_t int_sts;
147     uint32_t wall_clk;
148 
149     uint32_t corb_lbase;
150     uint32_t corb_ubase;
151     uint32_t corb_rp;
152     uint32_t corb_wp;
153     uint32_t corb_ctl;
154     uint32_t corb_sts;
155     uint32_t corb_size;
156 
157     uint32_t rirb_lbase;
158     uint32_t rirb_ubase;
159     uint32_t rirb_wp;
160     uint32_t rirb_cnt;
161     uint32_t rirb_ctl;
162     uint32_t rirb_sts;
163     uint32_t rirb_size;
164 
165     uint32_t dp_lbase;
166     uint32_t dp_ubase;
167 
168     uint32_t icw;
169     uint32_t irr;
170     uint32_t ics;
171 
172     /* streams */
173     IntelHDAStream st[8];
174 
175     /* state */
176     MemoryRegion mmio;
177     uint32_t rirb_count;
178     int64_t wall_base_ns;
179 
180     /* debug logging */
181     const IntelHDAReg *last_reg;
182     uint32_t last_val;
183     uint32_t last_write;
184     uint32_t last_sec;
185     uint32_t repeat_count;
186 
187     /* properties */
188     uint32_t debug;
189     uint32_t msi;
190 };
191 
192 #define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
193 
194 #define INTEL_HDA(obj) \
195     OBJECT_CHECK(IntelHDAState, (obj), TYPE_INTEL_HDA_GENERIC)
196 
197 struct IntelHDAReg {
198     const char *name;      /* register name */
199     uint32_t   size;       /* size in bytes */
200     uint32_t   reset;      /* reset value */
201     uint32_t   wmask;      /* write mask */
202     uint32_t   wclear;     /* write 1 to clear bits */
203     uint32_t   offset;     /* location in IntelHDAState */
204     uint32_t   shift;      /* byte access entries for dwords */
205     uint32_t   stream;
206     void       (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
207     void       (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
208 };
209 
210 static void intel_hda_reset(DeviceState *dev);
211 
212 /* --------------------------------------------------------------------- */
213 
214 static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase)
215 {
216     hwaddr addr;
217 
218     addr = ((uint64_t)ubase << 32) | lbase;
219     return addr;
220 }
221 
222 static void intel_hda_update_int_sts(IntelHDAState *d)
223 {
224     uint32_t sts = 0;
225     uint32_t i;
226 
227     /* update controller status */
228     if (d->rirb_sts & ICH6_RBSTS_IRQ) {
229         sts |= (1 << 30);
230     }
231     if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
232         sts |= (1 << 30);
233     }
234     if (d->state_sts & d->wake_en) {
235         sts |= (1 << 30);
236     }
237 
238     /* update stream status */
239     for (i = 0; i < 8; i++) {
240         /* buffer completion interrupt */
241         if (d->st[i].ctl & (1 << 26)) {
242             sts |= (1 << i);
243         }
244     }
245 
246     /* update global status */
247     if (sts & d->int_ctl) {
248         sts |= (1U << 31);
249     }
250 
251     d->int_sts = sts;
252 }
253 
254 static void intel_hda_update_irq(IntelHDAState *d)
255 {
256     int msi = d->msi && msi_enabled(&d->pci);
257     int level;
258 
259     intel_hda_update_int_sts(d);
260     if (d->int_sts & (1U << 31) && d->int_ctl & (1U << 31)) {
261         level = 1;
262     } else {
263         level = 0;
264     }
265     dprint(d, 2, "%s: level %d [%s]\n", __FUNCTION__,
266            level, msi ? "msi" : "intx");
267     if (msi) {
268         if (level) {
269             msi_notify(&d->pci, 0);
270         }
271     } else {
272         pci_set_irq(&d->pci, level);
273     }
274 }
275 
276 static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
277 {
278     uint32_t cad, nid, data;
279     HDACodecDevice *codec;
280     HDACodecDeviceClass *cdc;
281 
282     cad = (verb >> 28) & 0x0f;
283     if (verb & (1 << 27)) {
284         /* indirect node addressing, not specified in HDA 1.0 */
285         dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __FUNCTION__);
286         return -1;
287     }
288     nid = (verb >> 20) & 0x7f;
289     data = verb & 0xfffff;
290 
291     codec = hda_codec_find(&d->codecs, cad);
292     if (codec == NULL) {
293         dprint(d, 1, "%s: addressed non-existing codec\n", __FUNCTION__);
294         return -1;
295     }
296     cdc = HDA_CODEC_DEVICE_GET_CLASS(codec);
297     cdc->command(codec, nid, data);
298     return 0;
299 }
300 
301 static void intel_hda_corb_run(IntelHDAState *d)
302 {
303     hwaddr addr;
304     uint32_t rp, verb;
305 
306     if (d->ics & ICH6_IRS_BUSY) {
307         dprint(d, 2, "%s: [icw] verb 0x%08x\n", __FUNCTION__, d->icw);
308         intel_hda_send_command(d, d->icw);
309         return;
310     }
311 
312     for (;;) {
313         if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
314             dprint(d, 2, "%s: !run\n", __FUNCTION__);
315             return;
316         }
317         if ((d->corb_rp & 0xff) == d->corb_wp) {
318             dprint(d, 2, "%s: corb ring empty\n", __FUNCTION__);
319             return;
320         }
321         if (d->rirb_count == d->rirb_cnt) {
322             dprint(d, 2, "%s: rirb count reached\n", __FUNCTION__);
323             return;
324         }
325 
326         rp = (d->corb_rp + 1) & 0xff;
327         addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
328         verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
329         d->corb_rp = rp;
330 
331         dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __FUNCTION__, rp, verb);
332         intel_hda_send_command(d, verb);
333     }
334 }
335 
336 static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
337 {
338     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
339     IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
340     hwaddr addr;
341     uint32_t wp, ex;
342 
343     if (d->ics & ICH6_IRS_BUSY) {
344         dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
345                __FUNCTION__, response, dev->cad);
346         d->irr = response;
347         d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
348         d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
349         return;
350     }
351 
352     if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
353         dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __FUNCTION__);
354         return;
355     }
356 
357     ex = (solicited ? 0 : (1 << 4)) | dev->cad;
358     wp = (d->rirb_wp + 1) & 0xff;
359     addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
360     stl_le_pci_dma(&d->pci, addr + 8*wp, response);
361     stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
362     d->rirb_wp = wp;
363 
364     dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
365            __FUNCTION__, wp, response, ex);
366 
367     d->rirb_count++;
368     if (d->rirb_count == d->rirb_cnt) {
369         dprint(d, 2, "%s: rirb count reached (%d)\n", __FUNCTION__, d->rirb_count);
370         if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
371             d->rirb_sts |= ICH6_RBSTS_IRQ;
372             intel_hda_update_irq(d);
373         }
374     } else if ((d->corb_rp & 0xff) == d->corb_wp) {
375         dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __FUNCTION__,
376                d->rirb_count, d->rirb_cnt);
377         if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
378             d->rirb_sts |= ICH6_RBSTS_IRQ;
379             intel_hda_update_irq(d);
380         }
381     }
382 }
383 
384 static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
385                            uint8_t *buf, uint32_t len)
386 {
387     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
388     IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
389     hwaddr addr;
390     uint32_t s, copy, left;
391     IntelHDAStream *st;
392     bool irq = false;
393 
394     st = output ? d->st + 4 : d->st;
395     for (s = 0; s < 4; s++) {
396         if (stnr == ((st[s].ctl >> 20) & 0x0f)) {
397             st = st + s;
398             break;
399         }
400     }
401     if (s == 4) {
402         return false;
403     }
404     if (st->bpl == NULL) {
405         return false;
406     }
407     if (st->ctl & (1 << 26)) {
408         /*
409          * Wait with the next DMA xfer until the guest
410          * has acked the buffer completion interrupt
411          */
412         return false;
413     }
414 
415     left = len;
416     while (left > 0) {
417         copy = left;
418         if (copy > st->bsize - st->lpib)
419             copy = st->bsize - st->lpib;
420         if (copy > st->bpl[st->be].len - st->bp)
421             copy = st->bpl[st->be].len - st->bp;
422 
423         dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
424                st->be, st->bp, st->bpl[st->be].len, copy);
425 
426         pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output);
427         st->lpib += copy;
428         st->bp += copy;
429         buf += copy;
430         left -= copy;
431 
432         if (st->bpl[st->be].len == st->bp) {
433             /* bpl entry filled */
434             if (st->bpl[st->be].flags & 0x01) {
435                 irq = true;
436             }
437             st->bp = 0;
438             st->be++;
439             if (st->be == st->bentries) {
440                 /* bpl wrap around */
441                 st->be = 0;
442                 st->lpib = 0;
443             }
444         }
445     }
446     if (d->dp_lbase & 0x01) {
447         s = st - d->st;
448         addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
449         stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib);
450     }
451     dprint(d, 3, "dma: --\n");
452 
453     if (irq) {
454         st->ctl |= (1 << 26); /* buffer completion interrupt */
455         intel_hda_update_irq(d);
456     }
457     return true;
458 }
459 
460 static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
461 {
462     hwaddr addr;
463     uint8_t buf[16];
464     uint32_t i;
465 
466     addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
467     st->bentries = st->lvi +1;
468     g_free(st->bpl);
469     st->bpl = g_malloc(sizeof(bpl) * st->bentries);
470     for (i = 0; i < st->bentries; i++, addr += 16) {
471         pci_dma_read(&d->pci, addr, buf, 16);
472         st->bpl[i].addr  = le64_to_cpu(*(uint64_t *)buf);
473         st->bpl[i].len   = le32_to_cpu(*(uint32_t *)(buf + 8));
474         st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
475         dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
476                i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
477     }
478 
479     st->bsize = st->cbl;
480     st->lpib  = 0;
481     st->be    = 0;
482     st->bp    = 0;
483 }
484 
485 static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output)
486 {
487     BusChild *kid;
488     HDACodecDevice *cdev;
489 
490     QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
491         DeviceState *qdev = kid->child;
492         HDACodecDeviceClass *cdc;
493 
494         cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
495         cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev);
496         if (cdc->stream) {
497             cdc->stream(cdev, stream, running, output);
498         }
499     }
500 }
501 
502 /* --------------------------------------------------------------------- */
503 
504 static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
505 {
506     if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
507         intel_hda_reset(DEVICE(d));
508     }
509 }
510 
511 static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
512 {
513     intel_hda_update_irq(d);
514 }
515 
516 static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
517 {
518     intel_hda_update_irq(d);
519 }
520 
521 static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
522 {
523     intel_hda_update_irq(d);
524 }
525 
526 static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
527 {
528     int64_t ns;
529 
530     ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - d->wall_base_ns;
531     d->wall_clk = (uint32_t)(ns * 24 / 1000);  /* 24 MHz */
532 }
533 
534 static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
535 {
536     intel_hda_corb_run(d);
537 }
538 
539 static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
540 {
541     intel_hda_corb_run(d);
542 }
543 
544 static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
545 {
546     if (d->rirb_wp & ICH6_RIRBWP_RST) {
547         d->rirb_wp = 0;
548     }
549 }
550 
551 static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
552 {
553     intel_hda_update_irq(d);
554 
555     if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
556         /* cleared ICH6_RBSTS_IRQ */
557         d->rirb_count = 0;
558         intel_hda_corb_run(d);
559     }
560 }
561 
562 static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
563 {
564     if (d->ics & ICH6_IRS_BUSY) {
565         intel_hda_corb_run(d);
566     }
567 }
568 
569 static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
570 {
571     bool output = reg->stream >= 4;
572     IntelHDAStream *st = d->st + reg->stream;
573 
574     if (st->ctl & 0x01) {
575         /* reset */
576         dprint(d, 1, "st #%d: reset\n", reg->stream);
577         st->ctl = SD_STS_FIFO_READY << 24;
578     }
579     if ((st->ctl & 0x02) != (old & 0x02)) {
580         uint32_t stnr = (st->ctl >> 20) & 0x0f;
581         /* run bit flipped */
582         if (st->ctl & 0x02) {
583             /* start */
584             dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
585                    reg->stream, stnr, st->cbl);
586             intel_hda_parse_bdl(d, st);
587             intel_hda_notify_codecs(d, stnr, true, output);
588         } else {
589             /* stop */
590             dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
591             intel_hda_notify_codecs(d, stnr, false, output);
592         }
593     }
594     intel_hda_update_irq(d);
595 }
596 
597 /* --------------------------------------------------------------------- */
598 
599 #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
600 
601 static const struct IntelHDAReg regtab[] = {
602     /* global */
603     [ ICH6_REG_GCAP ] = {
604         .name     = "GCAP",
605         .size     = 2,
606         .reset    = 0x4401,
607     },
608     [ ICH6_REG_VMIN ] = {
609         .name     = "VMIN",
610         .size     = 1,
611     },
612     [ ICH6_REG_VMAJ ] = {
613         .name     = "VMAJ",
614         .size     = 1,
615         .reset    = 1,
616     },
617     [ ICH6_REG_OUTPAY ] = {
618         .name     = "OUTPAY",
619         .size     = 2,
620         .reset    = 0x3c,
621     },
622     [ ICH6_REG_INPAY ] = {
623         .name     = "INPAY",
624         .size     = 2,
625         .reset    = 0x1d,
626     },
627     [ ICH6_REG_GCTL ] = {
628         .name     = "GCTL",
629         .size     = 4,
630         .wmask    = 0x0103,
631         .offset   = offsetof(IntelHDAState, g_ctl),
632         .whandler = intel_hda_set_g_ctl,
633     },
634     [ ICH6_REG_WAKEEN ] = {
635         .name     = "WAKEEN",
636         .size     = 2,
637         .wmask    = 0x7fff,
638         .offset   = offsetof(IntelHDAState, wake_en),
639         .whandler = intel_hda_set_wake_en,
640     },
641     [ ICH6_REG_STATESTS ] = {
642         .name     = "STATESTS",
643         .size     = 2,
644         .wmask    = 0x7fff,
645         .wclear   = 0x7fff,
646         .offset   = offsetof(IntelHDAState, state_sts),
647         .whandler = intel_hda_set_state_sts,
648     },
649 
650     /* interrupts */
651     [ ICH6_REG_INTCTL ] = {
652         .name     = "INTCTL",
653         .size     = 4,
654         .wmask    = 0xc00000ff,
655         .offset   = offsetof(IntelHDAState, int_ctl),
656         .whandler = intel_hda_set_int_ctl,
657     },
658     [ ICH6_REG_INTSTS ] = {
659         .name     = "INTSTS",
660         .size     = 4,
661         .wmask    = 0xc00000ff,
662         .wclear   = 0xc00000ff,
663         .offset   = offsetof(IntelHDAState, int_sts),
664     },
665 
666     /* misc */
667     [ ICH6_REG_WALLCLK ] = {
668         .name     = "WALLCLK",
669         .size     = 4,
670         .offset   = offsetof(IntelHDAState, wall_clk),
671         .rhandler = intel_hda_get_wall_clk,
672     },
673     [ ICH6_REG_WALLCLK + 0x2000 ] = {
674         .name     = "WALLCLK(alias)",
675         .size     = 4,
676         .offset   = offsetof(IntelHDAState, wall_clk),
677         .rhandler = intel_hda_get_wall_clk,
678     },
679 
680     /* dma engine */
681     [ ICH6_REG_CORBLBASE ] = {
682         .name     = "CORBLBASE",
683         .size     = 4,
684         .wmask    = 0xffffff80,
685         .offset   = offsetof(IntelHDAState, corb_lbase),
686     },
687     [ ICH6_REG_CORBUBASE ] = {
688         .name     = "CORBUBASE",
689         .size     = 4,
690         .wmask    = 0xffffffff,
691         .offset   = offsetof(IntelHDAState, corb_ubase),
692     },
693     [ ICH6_REG_CORBWP ] = {
694         .name     = "CORBWP",
695         .size     = 2,
696         .wmask    = 0xff,
697         .offset   = offsetof(IntelHDAState, corb_wp),
698         .whandler = intel_hda_set_corb_wp,
699     },
700     [ ICH6_REG_CORBRP ] = {
701         .name     = "CORBRP",
702         .size     = 2,
703         .wmask    = 0x80ff,
704         .offset   = offsetof(IntelHDAState, corb_rp),
705     },
706     [ ICH6_REG_CORBCTL ] = {
707         .name     = "CORBCTL",
708         .size     = 1,
709         .wmask    = 0x03,
710         .offset   = offsetof(IntelHDAState, corb_ctl),
711         .whandler = intel_hda_set_corb_ctl,
712     },
713     [ ICH6_REG_CORBSTS ] = {
714         .name     = "CORBSTS",
715         .size     = 1,
716         .wmask    = 0x01,
717         .wclear   = 0x01,
718         .offset   = offsetof(IntelHDAState, corb_sts),
719     },
720     [ ICH6_REG_CORBSIZE ] = {
721         .name     = "CORBSIZE",
722         .size     = 1,
723         .reset    = 0x42,
724         .offset   = offsetof(IntelHDAState, corb_size),
725     },
726     [ ICH6_REG_RIRBLBASE ] = {
727         .name     = "RIRBLBASE",
728         .size     = 4,
729         .wmask    = 0xffffff80,
730         .offset   = offsetof(IntelHDAState, rirb_lbase),
731     },
732     [ ICH6_REG_RIRBUBASE ] = {
733         .name     = "RIRBUBASE",
734         .size     = 4,
735         .wmask    = 0xffffffff,
736         .offset   = offsetof(IntelHDAState, rirb_ubase),
737     },
738     [ ICH6_REG_RIRBWP ] = {
739         .name     = "RIRBWP",
740         .size     = 2,
741         .wmask    = 0x8000,
742         .offset   = offsetof(IntelHDAState, rirb_wp),
743         .whandler = intel_hda_set_rirb_wp,
744     },
745     [ ICH6_REG_RINTCNT ] = {
746         .name     = "RINTCNT",
747         .size     = 2,
748         .wmask    = 0xff,
749         .offset   = offsetof(IntelHDAState, rirb_cnt),
750     },
751     [ ICH6_REG_RIRBCTL ] = {
752         .name     = "RIRBCTL",
753         .size     = 1,
754         .wmask    = 0x07,
755         .offset   = offsetof(IntelHDAState, rirb_ctl),
756     },
757     [ ICH6_REG_RIRBSTS ] = {
758         .name     = "RIRBSTS",
759         .size     = 1,
760         .wmask    = 0x05,
761         .wclear   = 0x05,
762         .offset   = offsetof(IntelHDAState, rirb_sts),
763         .whandler = intel_hda_set_rirb_sts,
764     },
765     [ ICH6_REG_RIRBSIZE ] = {
766         .name     = "RIRBSIZE",
767         .size     = 1,
768         .reset    = 0x42,
769         .offset   = offsetof(IntelHDAState, rirb_size),
770     },
771 
772     [ ICH6_REG_DPLBASE ] = {
773         .name     = "DPLBASE",
774         .size     = 4,
775         .wmask    = 0xffffff81,
776         .offset   = offsetof(IntelHDAState, dp_lbase),
777     },
778     [ ICH6_REG_DPUBASE ] = {
779         .name     = "DPUBASE",
780         .size     = 4,
781         .wmask    = 0xffffffff,
782         .offset   = offsetof(IntelHDAState, dp_ubase),
783     },
784 
785     [ ICH6_REG_IC ] = {
786         .name     = "ICW",
787         .size     = 4,
788         .wmask    = 0xffffffff,
789         .offset   = offsetof(IntelHDAState, icw),
790     },
791     [ ICH6_REG_IR ] = {
792         .name     = "IRR",
793         .size     = 4,
794         .offset   = offsetof(IntelHDAState, irr),
795     },
796     [ ICH6_REG_IRS ] = {
797         .name     = "ICS",
798         .size     = 2,
799         .wmask    = 0x0003,
800         .wclear   = 0x0002,
801         .offset   = offsetof(IntelHDAState, ics),
802         .whandler = intel_hda_set_ics,
803     },
804 
805 #define HDA_STREAM(_t, _i)                                            \
806     [ ST_REG(_i, ICH6_REG_SD_CTL) ] = {                               \
807         .stream   = _i,                                               \
808         .name     = _t stringify(_i) " CTL",                          \
809         .size     = 4,                                                \
810         .wmask    = 0x1cff001f,                                       \
811         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
812         .whandler = intel_hda_set_st_ctl,                             \
813     },                                                                \
814     [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = {                            \
815         .stream   = _i,                                               \
816         .name     = _t stringify(_i) " CTL(stnr)",                    \
817         .size     = 1,                                                \
818         .shift    = 16,                                               \
819         .wmask    = 0x00ff0000,                                       \
820         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
821         .whandler = intel_hda_set_st_ctl,                             \
822     },                                                                \
823     [ ST_REG(_i, ICH6_REG_SD_STS)] = {                                \
824         .stream   = _i,                                               \
825         .name     = _t stringify(_i) " CTL(sts)",                     \
826         .size     = 1,                                                \
827         .shift    = 24,                                               \
828         .wmask    = 0x1c000000,                                       \
829         .wclear   = 0x1c000000,                                       \
830         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
831         .whandler = intel_hda_set_st_ctl,                             \
832         .reset    = SD_STS_FIFO_READY << 24                           \
833     },                                                                \
834     [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = {                              \
835         .stream   = _i,                                               \
836         .name     = _t stringify(_i) " LPIB",                         \
837         .size     = 4,                                                \
838         .offset   = offsetof(IntelHDAState, st[_i].lpib),             \
839     },                                                                \
840     [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = {                     \
841         .stream   = _i,                                               \
842         .name     = _t stringify(_i) " LPIB(alias)",                  \
843         .size     = 4,                                                \
844         .offset   = offsetof(IntelHDAState, st[_i].lpib),             \
845     },                                                                \
846     [ ST_REG(_i, ICH6_REG_SD_CBL) ] = {                               \
847         .stream   = _i,                                               \
848         .name     = _t stringify(_i) " CBL",                          \
849         .size     = 4,                                                \
850         .wmask    = 0xffffffff,                                       \
851         .offset   = offsetof(IntelHDAState, st[_i].cbl),              \
852     },                                                                \
853     [ ST_REG(_i, ICH6_REG_SD_LVI) ] = {                               \
854         .stream   = _i,                                               \
855         .name     = _t stringify(_i) " LVI",                          \
856         .size     = 2,                                                \
857         .wmask    = 0x00ff,                                           \
858         .offset   = offsetof(IntelHDAState, st[_i].lvi),              \
859     },                                                                \
860     [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = {                          \
861         .stream   = _i,                                               \
862         .name     = _t stringify(_i) " FIFOS",                        \
863         .size     = 2,                                                \
864         .reset    = HDA_BUFFER_SIZE,                                  \
865     },                                                                \
866     [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = {                            \
867         .stream   = _i,                                               \
868         .name     = _t stringify(_i) " FMT",                          \
869         .size     = 2,                                                \
870         .wmask    = 0x7f7f,                                           \
871         .offset   = offsetof(IntelHDAState, st[_i].fmt),              \
872     },                                                                \
873     [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = {                             \
874         .stream   = _i,                                               \
875         .name     = _t stringify(_i) " BDLPL",                        \
876         .size     = 4,                                                \
877         .wmask    = 0xffffff80,                                       \
878         .offset   = offsetof(IntelHDAState, st[_i].bdlp_lbase),       \
879     },                                                                \
880     [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = {                             \
881         .stream   = _i,                                               \
882         .name     = _t stringify(_i) " BDLPU",                        \
883         .size     = 4,                                                \
884         .wmask    = 0xffffffff,                                       \
885         .offset   = offsetof(IntelHDAState, st[_i].bdlp_ubase),       \
886     },                                                                \
887 
888     HDA_STREAM("IN", 0)
889     HDA_STREAM("IN", 1)
890     HDA_STREAM("IN", 2)
891     HDA_STREAM("IN", 3)
892 
893     HDA_STREAM("OUT", 4)
894     HDA_STREAM("OUT", 5)
895     HDA_STREAM("OUT", 6)
896     HDA_STREAM("OUT", 7)
897 
898 };
899 
900 static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr)
901 {
902     const IntelHDAReg *reg;
903 
904     if (addr >= ARRAY_SIZE(regtab)) {
905         goto noreg;
906     }
907     reg = regtab+addr;
908     if (reg->name == NULL) {
909         goto noreg;
910     }
911     return reg;
912 
913 noreg:
914     dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
915     return NULL;
916 }
917 
918 static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
919 {
920     uint8_t *addr = (void*)d;
921 
922     addr += reg->offset;
923     return (uint32_t*)addr;
924 }
925 
926 static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
927                                 uint32_t wmask)
928 {
929     uint32_t *addr;
930     uint32_t old;
931 
932     if (!reg) {
933         return;
934     }
935 
936     if (d->debug) {
937         time_t now = time(NULL);
938         if (d->last_write && d->last_reg == reg && d->last_val == val) {
939             d->repeat_count++;
940             if (d->last_sec != now) {
941                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
942                 d->last_sec = now;
943                 d->repeat_count = 0;
944             }
945         } else {
946             if (d->repeat_count) {
947                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
948             }
949             dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
950             d->last_write = 1;
951             d->last_reg   = reg;
952             d->last_val   = val;
953             d->last_sec   = now;
954             d->repeat_count = 0;
955         }
956     }
957     assert(reg->offset != 0);
958 
959     addr = intel_hda_reg_addr(d, reg);
960     old = *addr;
961 
962     if (reg->shift) {
963         val <<= reg->shift;
964         wmask <<= reg->shift;
965     }
966     wmask &= reg->wmask;
967     *addr &= ~wmask;
968     *addr |= wmask & val;
969     *addr &= ~(val & reg->wclear);
970 
971     if (reg->whandler) {
972         reg->whandler(d, reg, old);
973     }
974 }
975 
976 static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
977                                    uint32_t rmask)
978 {
979     uint32_t *addr, ret;
980 
981     if (!reg) {
982         return 0;
983     }
984 
985     if (reg->rhandler) {
986         reg->rhandler(d, reg);
987     }
988 
989     if (reg->offset == 0) {
990         /* constant read-only register */
991         ret = reg->reset;
992     } else {
993         addr = intel_hda_reg_addr(d, reg);
994         ret = *addr;
995         if (reg->shift) {
996             ret >>= reg->shift;
997         }
998         ret &= rmask;
999     }
1000     if (d->debug) {
1001         time_t now = time(NULL);
1002         if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
1003             d->repeat_count++;
1004             if (d->last_sec != now) {
1005                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1006                 d->last_sec = now;
1007                 d->repeat_count = 0;
1008             }
1009         } else {
1010             if (d->repeat_count) {
1011                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1012             }
1013             dprint(d, 2, "read  %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1014             d->last_write = 0;
1015             d->last_reg   = reg;
1016             d->last_val   = ret;
1017             d->last_sec   = now;
1018             d->repeat_count = 0;
1019         }
1020     }
1021     return ret;
1022 }
1023 
1024 static void intel_hda_regs_reset(IntelHDAState *d)
1025 {
1026     uint32_t *addr;
1027     int i;
1028 
1029     for (i = 0; i < ARRAY_SIZE(regtab); i++) {
1030         if (regtab[i].name == NULL) {
1031             continue;
1032         }
1033         if (regtab[i].offset == 0) {
1034             continue;
1035         }
1036         addr = intel_hda_reg_addr(d, regtab + i);
1037         *addr = regtab[i].reset;
1038     }
1039 }
1040 
1041 /* --------------------------------------------------------------------- */
1042 
1043 static void intel_hda_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
1044 {
1045     IntelHDAState *d = opaque;
1046     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1047 
1048     intel_hda_reg_write(d, reg, val, 0xff);
1049 }
1050 
1051 static void intel_hda_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
1052 {
1053     IntelHDAState *d = opaque;
1054     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1055 
1056     intel_hda_reg_write(d, reg, val, 0xffff);
1057 }
1058 
1059 static void intel_hda_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
1060 {
1061     IntelHDAState *d = opaque;
1062     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1063 
1064     intel_hda_reg_write(d, reg, val, 0xffffffff);
1065 }
1066 
1067 static uint32_t intel_hda_mmio_readb(void *opaque, hwaddr addr)
1068 {
1069     IntelHDAState *d = opaque;
1070     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1071 
1072     return intel_hda_reg_read(d, reg, 0xff);
1073 }
1074 
1075 static uint32_t intel_hda_mmio_readw(void *opaque, hwaddr addr)
1076 {
1077     IntelHDAState *d = opaque;
1078     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1079 
1080     return intel_hda_reg_read(d, reg, 0xffff);
1081 }
1082 
1083 static uint32_t intel_hda_mmio_readl(void *opaque, hwaddr addr)
1084 {
1085     IntelHDAState *d = opaque;
1086     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1087 
1088     return intel_hda_reg_read(d, reg, 0xffffffff);
1089 }
1090 
1091 static const MemoryRegionOps intel_hda_mmio_ops = {
1092     .old_mmio = {
1093         .read = {
1094             intel_hda_mmio_readb,
1095             intel_hda_mmio_readw,
1096             intel_hda_mmio_readl,
1097         },
1098         .write = {
1099             intel_hda_mmio_writeb,
1100             intel_hda_mmio_writew,
1101             intel_hda_mmio_writel,
1102         },
1103     },
1104     .endianness = DEVICE_NATIVE_ENDIAN,
1105 };
1106 
1107 /* --------------------------------------------------------------------- */
1108 
1109 static void intel_hda_reset(DeviceState *dev)
1110 {
1111     BusChild *kid;
1112     IntelHDAState *d = INTEL_HDA(dev);
1113     HDACodecDevice *cdev;
1114 
1115     intel_hda_regs_reset(d);
1116     d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1117 
1118     /* reset codecs */
1119     QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
1120         DeviceState *qdev = kid->child;
1121         cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
1122         device_reset(DEVICE(cdev));
1123         d->state_sts |= (1 << cdev->cad);
1124     }
1125     intel_hda_update_irq(d);
1126 }
1127 
1128 static int intel_hda_init(PCIDevice *pci)
1129 {
1130     IntelHDAState *d = INTEL_HDA(pci);
1131     uint8_t *conf = d->pci.config;
1132 
1133     d->name = object_get_typename(OBJECT(d));
1134 
1135     pci_config_set_interrupt_pin(conf, 1);
1136 
1137     /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1138     conf[0x40] = 0x01;
1139 
1140     memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d,
1141                           "intel-hda", 0x4000);
1142     pci_register_bar(&d->pci, 0, 0, &d->mmio);
1143     if (d->msi) {
1144         msi_init(&d->pci, 0x50, 1, true, false);
1145     }
1146 
1147     hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
1148                        intel_hda_response, intel_hda_xfer);
1149 
1150     return 0;
1151 }
1152 
1153 static void intel_hda_exit(PCIDevice *pci)
1154 {
1155     IntelHDAState *d = INTEL_HDA(pci);
1156 
1157     msi_uninit(&d->pci);
1158     memory_region_destroy(&d->mmio);
1159 }
1160 
1161 static int intel_hda_post_load(void *opaque, int version)
1162 {
1163     IntelHDAState* d = opaque;
1164     int i;
1165 
1166     dprint(d, 1, "%s\n", __FUNCTION__);
1167     for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1168         if (d->st[i].ctl & 0x02) {
1169             intel_hda_parse_bdl(d, &d->st[i]);
1170         }
1171     }
1172     intel_hda_update_irq(d);
1173     return 0;
1174 }
1175 
1176 static const VMStateDescription vmstate_intel_hda_stream = {
1177     .name = "intel-hda-stream",
1178     .version_id = 1,
1179     .fields = (VMStateField[]) {
1180         VMSTATE_UINT32(ctl, IntelHDAStream),
1181         VMSTATE_UINT32(lpib, IntelHDAStream),
1182         VMSTATE_UINT32(cbl, IntelHDAStream),
1183         VMSTATE_UINT32(lvi, IntelHDAStream),
1184         VMSTATE_UINT32(fmt, IntelHDAStream),
1185         VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1186         VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1187         VMSTATE_END_OF_LIST()
1188     }
1189 };
1190 
1191 static const VMStateDescription vmstate_intel_hda = {
1192     .name = "intel-hda",
1193     .version_id = 1,
1194     .post_load = intel_hda_post_load,
1195     .fields = (VMStateField[]) {
1196         VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1197 
1198         /* registers */
1199         VMSTATE_UINT32(g_ctl, IntelHDAState),
1200         VMSTATE_UINT32(wake_en, IntelHDAState),
1201         VMSTATE_UINT32(state_sts, IntelHDAState),
1202         VMSTATE_UINT32(int_ctl, IntelHDAState),
1203         VMSTATE_UINT32(int_sts, IntelHDAState),
1204         VMSTATE_UINT32(wall_clk, IntelHDAState),
1205         VMSTATE_UINT32(corb_lbase, IntelHDAState),
1206         VMSTATE_UINT32(corb_ubase, IntelHDAState),
1207         VMSTATE_UINT32(corb_rp, IntelHDAState),
1208         VMSTATE_UINT32(corb_wp, IntelHDAState),
1209         VMSTATE_UINT32(corb_ctl, IntelHDAState),
1210         VMSTATE_UINT32(corb_sts, IntelHDAState),
1211         VMSTATE_UINT32(corb_size, IntelHDAState),
1212         VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1213         VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1214         VMSTATE_UINT32(rirb_wp, IntelHDAState),
1215         VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1216         VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1217         VMSTATE_UINT32(rirb_sts, IntelHDAState),
1218         VMSTATE_UINT32(rirb_size, IntelHDAState),
1219         VMSTATE_UINT32(dp_lbase, IntelHDAState),
1220         VMSTATE_UINT32(dp_ubase, IntelHDAState),
1221         VMSTATE_UINT32(icw, IntelHDAState),
1222         VMSTATE_UINT32(irr, IntelHDAState),
1223         VMSTATE_UINT32(ics, IntelHDAState),
1224         VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1225                              vmstate_intel_hda_stream,
1226                              IntelHDAStream),
1227 
1228         /* additional state info */
1229         VMSTATE_UINT32(rirb_count, IntelHDAState),
1230         VMSTATE_INT64(wall_base_ns, IntelHDAState),
1231 
1232         VMSTATE_END_OF_LIST()
1233     }
1234 };
1235 
1236 static Property intel_hda_properties[] = {
1237     DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1238     DEFINE_PROP_UINT32("msi", IntelHDAState, msi, 1),
1239     DEFINE_PROP_END_OF_LIST(),
1240 };
1241 
1242 static void intel_hda_class_init(ObjectClass *klass, void *data)
1243 {
1244     DeviceClass *dc = DEVICE_CLASS(klass);
1245     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1246 
1247     k->init = intel_hda_init;
1248     k->exit = intel_hda_exit;
1249     k->vendor_id = PCI_VENDOR_ID_INTEL;
1250     k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;
1251     dc->reset = intel_hda_reset;
1252     dc->vmsd = &vmstate_intel_hda;
1253     dc->props = intel_hda_properties;
1254 }
1255 
1256 static void intel_hda_class_init_ich6(ObjectClass *klass, void *data)
1257 {
1258     DeviceClass *dc = DEVICE_CLASS(klass);
1259     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1260 
1261     k->device_id = 0x2668;
1262     k->revision = 1;
1263     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1264     dc->desc = "Intel HD Audio Controller (ich6)";
1265 }
1266 
1267 static void intel_hda_class_init_ich9(ObjectClass *klass, void *data)
1268 {
1269     DeviceClass *dc = DEVICE_CLASS(klass);
1270     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1271 
1272     k->device_id = 0x293e;
1273     k->revision = 3;
1274     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1275     dc->desc = "Intel HD Audio Controller (ich9)";
1276 }
1277 
1278 static const TypeInfo intel_hda_info = {
1279     .name          = TYPE_INTEL_HDA_GENERIC,
1280     .parent        = TYPE_PCI_DEVICE,
1281     .instance_size = sizeof(IntelHDAState),
1282     .class_init    = intel_hda_class_init,
1283     .abstract      = true,
1284 };
1285 
1286 static const TypeInfo intel_hda_info_ich6 = {
1287     .name          = "intel-hda",
1288     .parent        = TYPE_INTEL_HDA_GENERIC,
1289     .class_init    = intel_hda_class_init_ich6,
1290 };
1291 
1292 static const TypeInfo intel_hda_info_ich9 = {
1293     .name          = "ich9-intel-hda",
1294     .parent        = TYPE_INTEL_HDA_GENERIC,
1295     .class_init    = intel_hda_class_init_ich9,
1296 };
1297 
1298 static void hda_codec_device_class_init(ObjectClass *klass, void *data)
1299 {
1300     DeviceClass *k = DEVICE_CLASS(klass);
1301     k->init = hda_codec_dev_init;
1302     k->exit = hda_codec_dev_exit;
1303     set_bit(DEVICE_CATEGORY_SOUND, k->categories);
1304     k->bus_type = TYPE_HDA_BUS;
1305     k->props = hda_props;
1306 }
1307 
1308 static const TypeInfo hda_codec_device_type_info = {
1309     .name = TYPE_HDA_CODEC_DEVICE,
1310     .parent = TYPE_DEVICE,
1311     .instance_size = sizeof(HDACodecDevice),
1312     .abstract = true,
1313     .class_size = sizeof(HDACodecDeviceClass),
1314     .class_init = hda_codec_device_class_init,
1315 };
1316 
1317 /*
1318  * create intel hda controller with codec attached to it,
1319  * so '-soundhw hda' works.
1320  */
1321 static int intel_hda_and_codec_init(PCIBus *bus)
1322 {
1323     DeviceState *controller;
1324     BusState *hdabus;
1325     DeviceState *codec;
1326 
1327     controller = DEVICE(pci_create_simple(bus, -1, "intel-hda"));
1328     hdabus = QLIST_FIRST(&controller->child_bus);
1329     codec = qdev_create(hdabus, "hda-duplex");
1330     qdev_init_nofail(codec);
1331     return 0;
1332 }
1333 
1334 static void intel_hda_register_types(void)
1335 {
1336     type_register_static(&hda_codec_bus_info);
1337     type_register_static(&intel_hda_info);
1338     type_register_static(&intel_hda_info_ich6);
1339     type_register_static(&intel_hda_info_ich9);
1340     type_register_static(&hda_codec_device_type_info);
1341     pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init);
1342 }
1343 
1344 type_init(intel_hda_register_types)
1345