2 * Copyright (C) 2010 Red Hat, Inc.
4 * written by Gerd Hoffmann <kraxel@redhat.com>
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.
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.
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/>.
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"
27 #include "qemu/module.h"
28 #include "qemu/error-report.h"
29 #include "hw/audio/soundhw.h"
30 #include "intel-hda.h"
31 #include "migration/vmstate.h"
32 #include "intel-hda-defs.h"
33 #include "sysemu/dma.h"
34 #include "qapi/error.h"
35 #include "qom/object.h"
37 /* --------------------------------------------------------------------- */
40 static Property hda_props
[] = {
41 DEFINE_PROP_UINT32("cad", HDACodecDevice
, cad
, -1),
42 DEFINE_PROP_END_OF_LIST()
45 static const TypeInfo hda_codec_bus_info
= {
48 .instance_size
= sizeof(HDACodecBus
),
51 void hda_codec_bus_init(DeviceState
*dev
, HDACodecBus
*bus
, size_t bus_size
,
52 hda_codec_response_func response
,
53 hda_codec_xfer_func xfer
)
55 qbus_create_inplace(bus
, bus_size
, TYPE_HDA_BUS
, dev
, NULL
);
56 bus
->response
= response
;
60 static void hda_codec_dev_realize(DeviceState
*qdev
, Error
**errp
)
62 HDACodecBus
*bus
= HDA_BUS(qdev
->parent_bus
);
63 HDACodecDevice
*dev
= HDA_CODEC_DEVICE(qdev
);
64 HDACodecDeviceClass
*cdc
= HDA_CODEC_DEVICE_GET_CLASS(dev
);
67 dev
->cad
= bus
->next_cad
;
70 error_setg(errp
, "HDA audio codec address is full");
73 bus
->next_cad
= dev
->cad
+ 1;
74 if (cdc
->init(dev
) != 0) {
75 error_setg(errp
, "HDA audio init failed");
79 static void hda_codec_dev_unrealize(DeviceState
*qdev
)
81 HDACodecDevice
*dev
= HDA_CODEC_DEVICE(qdev
);
82 HDACodecDeviceClass
*cdc
= HDA_CODEC_DEVICE_GET_CLASS(dev
);
89 HDACodecDevice
*hda_codec_find(HDACodecBus
*bus
, uint32_t cad
)
94 QTAILQ_FOREACH(kid
, &bus
->qbus
.children
, sibling
) {
95 DeviceState
*qdev
= kid
->child
;
96 cdev
= HDA_CODEC_DEVICE(qdev
);
97 if (cdev
->cad
== cad
) {
104 void hda_codec_response(HDACodecDevice
*dev
, bool solicited
, uint32_t response
)
106 HDACodecBus
*bus
= HDA_BUS(dev
->qdev
.parent_bus
);
107 bus
->response(dev
, solicited
, response
);
110 bool hda_codec_xfer(HDACodecDevice
*dev
, uint32_t stnr
, bool output
,
111 uint8_t *buf
, uint32_t len
)
113 HDACodecBus
*bus
= HDA_BUS(dev
->qdev
.parent_bus
);
114 return bus
->xfer(dev
, stnr
, output
, buf
, len
);
117 /* --------------------------------------------------------------------- */
118 /* intel hda emulation */
120 typedef struct IntelHDAStream IntelHDAStream
;
121 typedef struct IntelHDAState IntelHDAState
;
122 typedef struct IntelHDAReg IntelHDAReg
;
130 struct IntelHDAStream
{
143 uint32_t bsize
, be
, bp
;
146 struct IntelHDAState
{
183 IntelHDAStream st
[8];
186 MemoryRegion container
;
190 int64_t wall_base_ns
;
193 const IntelHDAReg
*last_reg
;
197 uint32_t repeat_count
;
205 #define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
207 DECLARE_INSTANCE_CHECKER(IntelHDAState
, INTEL_HDA
,
208 TYPE_INTEL_HDA_GENERIC
)
211 const char *name
; /* register name */
212 uint32_t size
; /* size in bytes */
213 uint32_t reset
; /* reset value */
214 uint32_t wmask
; /* write mask */
215 uint32_t wclear
; /* write 1 to clear bits */
216 uint32_t offset
; /* location in IntelHDAState */
217 uint32_t shift
; /* byte access entries for dwords */
219 void (*whandler
)(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
);
220 void (*rhandler
)(IntelHDAState
*d
, const IntelHDAReg
*reg
);
223 static void intel_hda_reset(DeviceState
*dev
);
225 /* --------------------------------------------------------------------- */
227 static hwaddr
intel_hda_addr(uint32_t lbase
, uint32_t ubase
)
229 return ((uint64_t)ubase
<< 32) | lbase
;
232 static void intel_hda_update_int_sts(IntelHDAState
*d
)
237 /* update controller status */
238 if (d
->rirb_sts
& ICH6_RBSTS_IRQ
) {
241 if (d
->rirb_sts
& ICH6_RBSTS_OVERRUN
) {
244 if (d
->state_sts
& d
->wake_en
) {
248 /* update stream status */
249 for (i
= 0; i
< 8; i
++) {
250 /* buffer completion interrupt */
251 if (d
->st
[i
].ctl
& (1 << 26)) {
256 /* update global status */
257 if (sts
& d
->int_ctl
) {
264 static void intel_hda_update_irq(IntelHDAState
*d
)
266 bool msi
= msi_enabled(&d
->pci
);
269 intel_hda_update_int_sts(d
);
270 if (d
->int_sts
& (1U << 31) && d
->int_ctl
& (1U << 31)) {
275 dprint(d
, 2, "%s: level %d [%s]\n", __func__
,
276 level
, msi
? "msi" : "intx");
279 msi_notify(&d
->pci
, 0);
282 pci_set_irq(&d
->pci
, level
);
286 static int intel_hda_send_command(IntelHDAState
*d
, uint32_t verb
)
288 uint32_t cad
, nid
, data
;
289 HDACodecDevice
*codec
;
290 HDACodecDeviceClass
*cdc
;
292 cad
= (verb
>> 28) & 0x0f;
293 if (verb
& (1 << 27)) {
294 /* indirect node addressing, not specified in HDA 1.0 */
295 dprint(d
, 1, "%s: indirect node addressing (guest bug?)\n", __func__
);
298 nid
= (verb
>> 20) & 0x7f;
299 data
= verb
& 0xfffff;
301 codec
= hda_codec_find(&d
->codecs
, cad
);
303 dprint(d
, 1, "%s: addressed non-existing codec\n", __func__
);
306 cdc
= HDA_CODEC_DEVICE_GET_CLASS(codec
);
307 cdc
->command(codec
, nid
, data
);
311 static void intel_hda_corb_run(IntelHDAState
*d
)
316 if (d
->ics
& ICH6_IRS_BUSY
) {
317 dprint(d
, 2, "%s: [icw] verb 0x%08x\n", __func__
, d
->icw
);
318 intel_hda_send_command(d
, d
->icw
);
323 if (!(d
->corb_ctl
& ICH6_CORBCTL_RUN
)) {
324 dprint(d
, 2, "%s: !run\n", __func__
);
327 if ((d
->corb_rp
& 0xff) == d
->corb_wp
) {
328 dprint(d
, 2, "%s: corb ring empty\n", __func__
);
331 if (d
->rirb_count
== d
->rirb_cnt
) {
332 dprint(d
, 2, "%s: rirb count reached\n", __func__
);
336 rp
= (d
->corb_rp
+ 1) & 0xff;
337 addr
= intel_hda_addr(d
->corb_lbase
, d
->corb_ubase
);
338 verb
= ldl_le_pci_dma(&d
->pci
, addr
+ 4*rp
);
341 dprint(d
, 2, "%s: [rp 0x%x] verb 0x%08x\n", __func__
, rp
, verb
);
342 intel_hda_send_command(d
, verb
);
346 static void intel_hda_response(HDACodecDevice
*dev
, bool solicited
, uint32_t response
)
348 HDACodecBus
*bus
= HDA_BUS(dev
->qdev
.parent_bus
);
349 IntelHDAState
*d
= container_of(bus
, IntelHDAState
, codecs
);
353 if (d
->ics
& ICH6_IRS_BUSY
) {
354 dprint(d
, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
355 __func__
, response
, dev
->cad
);
357 d
->ics
&= ~(ICH6_IRS_BUSY
| 0xf0);
358 d
->ics
|= (ICH6_IRS_VALID
| (dev
->cad
<< 4));
362 if (!(d
->rirb_ctl
& ICH6_RBCTL_DMA_EN
)) {
363 dprint(d
, 1, "%s: rirb dma disabled, drop codec response\n", __func__
);
367 ex
= (solicited
? 0 : (1 << 4)) | dev
->cad
;
368 wp
= (d
->rirb_wp
+ 1) & 0xff;
369 addr
= intel_hda_addr(d
->rirb_lbase
, d
->rirb_ubase
);
370 stl_le_pci_dma(&d
->pci
, addr
+ 8*wp
, response
);
371 stl_le_pci_dma(&d
->pci
, addr
+ 8*wp
+ 4, ex
);
374 dprint(d
, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
375 __func__
, wp
, response
, ex
);
378 if (d
->rirb_count
== d
->rirb_cnt
) {
379 dprint(d
, 2, "%s: rirb count reached (%d)\n", __func__
, d
->rirb_count
);
380 if (d
->rirb_ctl
& ICH6_RBCTL_IRQ_EN
) {
381 d
->rirb_sts
|= ICH6_RBSTS_IRQ
;
382 intel_hda_update_irq(d
);
384 } else if ((d
->corb_rp
& 0xff) == d
->corb_wp
) {
385 dprint(d
, 2, "%s: corb ring empty (%d/%d)\n", __func__
,
386 d
->rirb_count
, d
->rirb_cnt
);
387 if (d
->rirb_ctl
& ICH6_RBCTL_IRQ_EN
) {
388 d
->rirb_sts
|= ICH6_RBSTS_IRQ
;
389 intel_hda_update_irq(d
);
394 static bool intel_hda_xfer(HDACodecDevice
*dev
, uint32_t stnr
, bool output
,
395 uint8_t *buf
, uint32_t len
)
397 HDACodecBus
*bus
= HDA_BUS(dev
->qdev
.parent_bus
);
398 IntelHDAState
*d
= container_of(bus
, IntelHDAState
, codecs
);
400 uint32_t s
, copy
, left
;
404 st
= output
? d
->st
+ 4 : d
->st
;
405 for (s
= 0; s
< 4; s
++) {
406 if (stnr
== ((st
[s
].ctl
>> 20) & 0x0f)) {
414 if (st
->bpl
== NULL
) {
420 while (left
> 0 && s
-- > 0) {
422 if (copy
> st
->bsize
- st
->lpib
)
423 copy
= st
->bsize
- st
->lpib
;
424 if (copy
> st
->bpl
[st
->be
].len
- st
->bp
)
425 copy
= st
->bpl
[st
->be
].len
- st
->bp
;
427 dprint(d
, 3, "dma: entry %d, pos %d/%d, copy %d\n",
428 st
->be
, st
->bp
, st
->bpl
[st
->be
].len
, copy
);
430 pci_dma_rw(&d
->pci
, st
->bpl
[st
->be
].addr
+ st
->bp
, buf
, copy
, !output
);
436 if (st
->bpl
[st
->be
].len
== st
->bp
) {
437 /* bpl entry filled */
438 if (st
->bpl
[st
->be
].flags
& 0x01) {
443 if (st
->be
== st
->bentries
) {
444 /* bpl wrap around */
450 if (d
->dp_lbase
& 0x01) {
452 addr
= intel_hda_addr(d
->dp_lbase
& ~0x01, d
->dp_ubase
);
453 stl_le_pci_dma(&d
->pci
, addr
+ 8*s
, st
->lpib
);
455 dprint(d
, 3, "dma: --\n");
458 st
->ctl
|= (1 << 26); /* buffer completion interrupt */
459 intel_hda_update_irq(d
);
464 static void intel_hda_parse_bdl(IntelHDAState
*d
, IntelHDAStream
*st
)
470 addr
= intel_hda_addr(st
->bdlp_lbase
, st
->bdlp_ubase
);
471 st
->bentries
= st
->lvi
+1;
473 st
->bpl
= g_malloc(sizeof(bpl
) * st
->bentries
);
474 for (i
= 0; i
< st
->bentries
; i
++, addr
+= 16) {
475 pci_dma_read(&d
->pci
, addr
, buf
, 16);
476 st
->bpl
[i
].addr
= le64_to_cpu(*(uint64_t *)buf
);
477 st
->bpl
[i
].len
= le32_to_cpu(*(uint32_t *)(buf
+ 8));
478 st
->bpl
[i
].flags
= le32_to_cpu(*(uint32_t *)(buf
+ 12));
479 dprint(d
, 1, "bdl/%d: 0x%" PRIx64
" +0x%x, 0x%x\n",
480 i
, st
->bpl
[i
].addr
, st
->bpl
[i
].len
, st
->bpl
[i
].flags
);
489 static void intel_hda_notify_codecs(IntelHDAState
*d
, uint32_t stream
, bool running
, bool output
)
492 HDACodecDevice
*cdev
;
494 QTAILQ_FOREACH(kid
, &d
->codecs
.qbus
.children
, sibling
) {
495 DeviceState
*qdev
= kid
->child
;
496 HDACodecDeviceClass
*cdc
;
498 cdev
= HDA_CODEC_DEVICE(qdev
);
499 cdc
= HDA_CODEC_DEVICE_GET_CLASS(cdev
);
501 cdc
->stream(cdev
, stream
, running
, output
);
506 /* --------------------------------------------------------------------- */
508 static void intel_hda_set_g_ctl(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
510 if ((d
->g_ctl
& ICH6_GCTL_RESET
) == 0) {
511 intel_hda_reset(DEVICE(d
));
515 static void intel_hda_set_wake_en(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
517 intel_hda_update_irq(d
);
520 static void intel_hda_set_state_sts(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
522 intel_hda_update_irq(d
);
525 static void intel_hda_set_int_ctl(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
527 intel_hda_update_irq(d
);
530 static void intel_hda_get_wall_clk(IntelHDAState
*d
, const IntelHDAReg
*reg
)
534 ns
= qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL
) - d
->wall_base_ns
;
535 d
->wall_clk
= (uint32_t)(ns
* 24 / 1000); /* 24 MHz */
538 static void intel_hda_set_corb_wp(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
540 intel_hda_corb_run(d
);
543 static void intel_hda_set_corb_ctl(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
545 intel_hda_corb_run(d
);
548 static void intel_hda_set_rirb_wp(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
550 if (d
->rirb_wp
& ICH6_RIRBWP_RST
) {
555 static void intel_hda_set_rirb_sts(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
557 intel_hda_update_irq(d
);
559 if ((old
& ICH6_RBSTS_IRQ
) && !(d
->rirb_sts
& ICH6_RBSTS_IRQ
)) {
560 /* cleared ICH6_RBSTS_IRQ */
562 intel_hda_corb_run(d
);
566 static void intel_hda_set_ics(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
568 if (d
->ics
& ICH6_IRS_BUSY
) {
569 intel_hda_corb_run(d
);
573 static void intel_hda_set_st_ctl(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t old
)
575 bool output
= reg
->stream
>= 4;
576 IntelHDAStream
*st
= d
->st
+ reg
->stream
;
578 if (st
->ctl
& 0x01) {
580 dprint(d
, 1, "st #%d: reset\n", reg
->stream
);
581 st
->ctl
= SD_STS_FIFO_READY
<< 24;
583 if ((st
->ctl
& 0x02) != (old
& 0x02)) {
584 uint32_t stnr
= (st
->ctl
>> 20) & 0x0f;
585 /* run bit flipped */
586 if (st
->ctl
& 0x02) {
588 dprint(d
, 1, "st #%d: start %d (ring buf %d bytes)\n",
589 reg
->stream
, stnr
, st
->cbl
);
590 intel_hda_parse_bdl(d
, st
);
591 intel_hda_notify_codecs(d
, stnr
, true, output
);
594 dprint(d
, 1, "st #%d: stop %d\n", reg
->stream
, stnr
);
595 intel_hda_notify_codecs(d
, stnr
, false, output
);
598 intel_hda_update_irq(d
);
601 /* --------------------------------------------------------------------- */
603 #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
605 static const struct IntelHDAReg regtab
[] = {
607 [ ICH6_REG_GCAP
] = {
612 [ ICH6_REG_VMIN
] = {
616 [ ICH6_REG_VMAJ
] = {
621 [ ICH6_REG_OUTPAY
] = {
626 [ ICH6_REG_INPAY
] = {
631 [ ICH6_REG_GCTL
] = {
635 .offset
= offsetof(IntelHDAState
, g_ctl
),
636 .whandler
= intel_hda_set_g_ctl
,
638 [ ICH6_REG_WAKEEN
] = {
642 .offset
= offsetof(IntelHDAState
, wake_en
),
643 .whandler
= intel_hda_set_wake_en
,
645 [ ICH6_REG_STATESTS
] = {
650 .offset
= offsetof(IntelHDAState
, state_sts
),
651 .whandler
= intel_hda_set_state_sts
,
655 [ ICH6_REG_INTCTL
] = {
659 .offset
= offsetof(IntelHDAState
, int_ctl
),
660 .whandler
= intel_hda_set_int_ctl
,
662 [ ICH6_REG_INTSTS
] = {
666 .wclear
= 0xc00000ff,
667 .offset
= offsetof(IntelHDAState
, int_sts
),
671 [ ICH6_REG_WALLCLK
] = {
674 .offset
= offsetof(IntelHDAState
, wall_clk
),
675 .rhandler
= intel_hda_get_wall_clk
,
679 [ ICH6_REG_CORBLBASE
] = {
683 .offset
= offsetof(IntelHDAState
, corb_lbase
),
685 [ ICH6_REG_CORBUBASE
] = {
689 .offset
= offsetof(IntelHDAState
, corb_ubase
),
691 [ ICH6_REG_CORBWP
] = {
695 .offset
= offsetof(IntelHDAState
, corb_wp
),
696 .whandler
= intel_hda_set_corb_wp
,
698 [ ICH6_REG_CORBRP
] = {
702 .offset
= offsetof(IntelHDAState
, corb_rp
),
704 [ ICH6_REG_CORBCTL
] = {
708 .offset
= offsetof(IntelHDAState
, corb_ctl
),
709 .whandler
= intel_hda_set_corb_ctl
,
711 [ ICH6_REG_CORBSTS
] = {
716 .offset
= offsetof(IntelHDAState
, corb_sts
),
718 [ ICH6_REG_CORBSIZE
] = {
722 .offset
= offsetof(IntelHDAState
, corb_size
),
724 [ ICH6_REG_RIRBLBASE
] = {
728 .offset
= offsetof(IntelHDAState
, rirb_lbase
),
730 [ ICH6_REG_RIRBUBASE
] = {
734 .offset
= offsetof(IntelHDAState
, rirb_ubase
),
736 [ ICH6_REG_RIRBWP
] = {
740 .offset
= offsetof(IntelHDAState
, rirb_wp
),
741 .whandler
= intel_hda_set_rirb_wp
,
743 [ ICH6_REG_RINTCNT
] = {
747 .offset
= offsetof(IntelHDAState
, rirb_cnt
),
749 [ ICH6_REG_RIRBCTL
] = {
753 .offset
= offsetof(IntelHDAState
, rirb_ctl
),
755 [ ICH6_REG_RIRBSTS
] = {
760 .offset
= offsetof(IntelHDAState
, rirb_sts
),
761 .whandler
= intel_hda_set_rirb_sts
,
763 [ ICH6_REG_RIRBSIZE
] = {
767 .offset
= offsetof(IntelHDAState
, rirb_size
),
770 [ ICH6_REG_DPLBASE
] = {
774 .offset
= offsetof(IntelHDAState
, dp_lbase
),
776 [ ICH6_REG_DPUBASE
] = {
780 .offset
= offsetof(IntelHDAState
, dp_ubase
),
787 .offset
= offsetof(IntelHDAState
, icw
),
792 .offset
= offsetof(IntelHDAState
, irr
),
799 .offset
= offsetof(IntelHDAState
, ics
),
800 .whandler
= intel_hda_set_ics
,
803 #define HDA_STREAM(_t, _i) \
804 [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \
806 .name = _t stringify(_i) " CTL", \
808 .wmask = 0x1cff001f, \
809 .offset = offsetof(IntelHDAState, st[_i].ctl), \
810 .whandler = intel_hda_set_st_ctl, \
812 [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \
814 .name = _t stringify(_i) " CTL(stnr)", \
817 .wmask = 0x00ff0000, \
818 .offset = offsetof(IntelHDAState, st[_i].ctl), \
819 .whandler = intel_hda_set_st_ctl, \
821 [ ST_REG(_i, ICH6_REG_SD_STS)] = { \
823 .name = _t stringify(_i) " CTL(sts)", \
826 .wmask = 0x1c000000, \
827 .wclear = 0x1c000000, \
828 .offset = offsetof(IntelHDAState, st[_i].ctl), \
829 .whandler = intel_hda_set_st_ctl, \
830 .reset = SD_STS_FIFO_READY << 24 \
832 [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
834 .name = _t stringify(_i) " LPIB", \
836 .offset = offsetof(IntelHDAState, st[_i].lpib), \
838 [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \
840 .name = _t stringify(_i) " CBL", \
842 .wmask = 0xffffffff, \
843 .offset = offsetof(IntelHDAState, st[_i].cbl), \
845 [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \
847 .name = _t stringify(_i) " LVI", \
850 .offset = offsetof(IntelHDAState, st[_i].lvi), \
852 [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \
854 .name = _t stringify(_i) " FIFOS", \
856 .reset = HDA_BUFFER_SIZE, \
858 [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \
860 .name = _t stringify(_i) " FMT", \
863 .offset = offsetof(IntelHDAState, st[_i].fmt), \
865 [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \
867 .name = _t stringify(_i) " BDLPL", \
869 .wmask = 0xffffff80, \
870 .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \
872 [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \
874 .name = _t stringify(_i) " BDLPU", \
876 .wmask = 0xffffffff, \
877 .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \
892 static const IntelHDAReg
*intel_hda_reg_find(IntelHDAState
*d
, hwaddr addr
)
894 const IntelHDAReg
*reg
;
896 if (addr
>= ARRAY_SIZE(regtab
)) {
900 if (reg
->name
== NULL
) {
906 dprint(d
, 1, "unknown register, addr 0x%x\n", (int) addr
);
910 static uint32_t *intel_hda_reg_addr(IntelHDAState
*d
, const IntelHDAReg
*reg
)
912 uint8_t *addr
= (void*)d
;
915 return (uint32_t*)addr
;
918 static void intel_hda_reg_write(IntelHDAState
*d
, const IntelHDAReg
*reg
, uint32_t val
,
928 qemu_log_mask(LOG_GUEST_ERROR
, "intel-hda: write to r/o reg %s\n",
934 time_t now
= time(NULL
);
935 if (d
->last_write
&& d
->last_reg
== reg
&& d
->last_val
== val
) {
937 if (d
->last_sec
!= now
) {
938 dprint(d
, 2, "previous register op repeated %d times\n", d
->repeat_count
);
943 if (d
->repeat_count
) {
944 dprint(d
, 2, "previous register op repeated %d times\n", d
->repeat_count
);
946 dprint(d
, 2, "write %-16s: 0x%x (%x)\n", reg
->name
, val
, wmask
);
954 assert(reg
->offset
!= 0);
956 addr
= intel_hda_reg_addr(d
, reg
);
961 wmask
<<= reg
->shift
;
965 *addr
|= wmask
& val
;
966 *addr
&= ~(val
& reg
->wclear
);
969 reg
->whandler(d
, reg
, old
);
973 static uint32_t intel_hda_reg_read(IntelHDAState
*d
, const IntelHDAReg
*reg
,
983 reg
->rhandler(d
, reg
);
986 if (reg
->offset
== 0) {
987 /* constant read-only register */
990 addr
= intel_hda_reg_addr(d
, reg
);
998 time_t now
= time(NULL
);
999 if (!d
->last_write
&& d
->last_reg
== reg
&& d
->last_val
== ret
) {
1001 if (d
->last_sec
!= now
) {
1002 dprint(d
, 2, "previous register op repeated %d times\n", d
->repeat_count
);
1004 d
->repeat_count
= 0;
1007 if (d
->repeat_count
) {
1008 dprint(d
, 2, "previous register op repeated %d times\n", d
->repeat_count
);
1010 dprint(d
, 2, "read %-16s: 0x%x (%x)\n", reg
->name
, ret
, rmask
);
1015 d
->repeat_count
= 0;
1021 static void intel_hda_regs_reset(IntelHDAState
*d
)
1026 for (i
= 0; i
< ARRAY_SIZE(regtab
); i
++) {
1027 if (regtab
[i
].name
== NULL
) {
1030 if (regtab
[i
].offset
== 0) {
1033 addr
= intel_hda_reg_addr(d
, regtab
+ i
);
1034 *addr
= regtab
[i
].reset
;
1038 /* --------------------------------------------------------------------- */
1040 static void intel_hda_mmio_write(void *opaque
, hwaddr addr
, uint64_t val
,
1043 IntelHDAState
*d
= opaque
;
1044 const IntelHDAReg
*reg
= intel_hda_reg_find(d
, addr
);
1046 intel_hda_reg_write(d
, reg
, val
, MAKE_64BIT_MASK(0, size
* 8));
1049 static uint64_t intel_hda_mmio_read(void *opaque
, hwaddr addr
, unsigned size
)
1051 IntelHDAState
*d
= opaque
;
1052 const IntelHDAReg
*reg
= intel_hda_reg_find(d
, addr
);
1054 return intel_hda_reg_read(d
, reg
, MAKE_64BIT_MASK(0, size
* 8));
1057 static const MemoryRegionOps intel_hda_mmio_ops
= {
1058 .read
= intel_hda_mmio_read
,
1059 .write
= intel_hda_mmio_write
,
1061 .min_access_size
= 1,
1062 .max_access_size
= 4,
1064 .endianness
= DEVICE_NATIVE_ENDIAN
,
1067 /* --------------------------------------------------------------------- */
1069 static void intel_hda_reset(DeviceState
*dev
)
1072 IntelHDAState
*d
= INTEL_HDA(dev
);
1073 HDACodecDevice
*cdev
;
1075 intel_hda_regs_reset(d
);
1076 d
->wall_base_ns
= qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL
);
1079 QTAILQ_FOREACH(kid
, &d
->codecs
.qbus
.children
, sibling
) {
1080 DeviceState
*qdev
= kid
->child
;
1081 cdev
= HDA_CODEC_DEVICE(qdev
);
1082 device_legacy_reset(DEVICE(cdev
));
1083 d
->state_sts
|= (1 << cdev
->cad
);
1085 intel_hda_update_irq(d
);
1088 static void intel_hda_realize(PCIDevice
*pci
, Error
**errp
)
1090 IntelHDAState
*d
= INTEL_HDA(pci
);
1091 uint8_t *conf
= d
->pci
.config
;
1095 d
->name
= object_get_typename(OBJECT(d
));
1097 pci_config_set_interrupt_pin(conf
, 1);
1099 /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1102 if (d
->msi
!= ON_OFF_AUTO_OFF
) {
1103 ret
= msi_init(&d
->pci
, d
->old_msi_addr
? 0x50 : 0x60,
1104 1, true, false, &err
);
1105 /* Any error other than -ENOTSUP(board's MSI support is broken)
1106 * is a programming error */
1107 assert(!ret
|| ret
== -ENOTSUP
);
1108 if (ret
&& d
->msi
== ON_OFF_AUTO_ON
) {
1109 /* Can't satisfy user's explicit msi=on request, fail */
1110 error_append_hint(&err
, "You have to use msi=auto (default) or "
1111 "msi=off with this machine type.\n");
1112 error_propagate(errp
, err
);
1115 assert(!err
|| d
->msi
== ON_OFF_AUTO_AUTO
);
1116 /* With msi=auto, we fall back to MSI off silently */
1120 memory_region_init(&d
->container
, OBJECT(d
),
1121 "intel-hda-container", 0x4000);
1122 memory_region_init_io(&d
->mmio
, OBJECT(d
), &intel_hda_mmio_ops
, d
,
1123 "intel-hda", 0x2000);
1124 memory_region_add_subregion(&d
->container
, 0x0000, &d
->mmio
);
1125 memory_region_init_alias(&d
->alias
, OBJECT(d
), "intel-hda-alias",
1126 &d
->mmio
, 0, 0x2000);
1127 memory_region_add_subregion(&d
->container
, 0x2000, &d
->alias
);
1128 pci_register_bar(&d
->pci
, 0, 0, &d
->container
);
1130 hda_codec_bus_init(DEVICE(pci
), &d
->codecs
, sizeof(d
->codecs
),
1131 intel_hda_response
, intel_hda_xfer
);
1134 static void intel_hda_exit(PCIDevice
*pci
)
1136 IntelHDAState
*d
= INTEL_HDA(pci
);
1138 msi_uninit(&d
->pci
);
1141 static int intel_hda_post_load(void *opaque
, int version
)
1143 IntelHDAState
* d
= opaque
;
1146 dprint(d
, 1, "%s\n", __func__
);
1147 for (i
= 0; i
< ARRAY_SIZE(d
->st
); i
++) {
1148 if (d
->st
[i
].ctl
& 0x02) {
1149 intel_hda_parse_bdl(d
, &d
->st
[i
]);
1152 intel_hda_update_irq(d
);
1156 static const VMStateDescription vmstate_intel_hda_stream
= {
1157 .name
= "intel-hda-stream",
1159 .fields
= (VMStateField
[]) {
1160 VMSTATE_UINT32(ctl
, IntelHDAStream
),
1161 VMSTATE_UINT32(lpib
, IntelHDAStream
),
1162 VMSTATE_UINT32(cbl
, IntelHDAStream
),
1163 VMSTATE_UINT32(lvi
, IntelHDAStream
),
1164 VMSTATE_UINT32(fmt
, IntelHDAStream
),
1165 VMSTATE_UINT32(bdlp_lbase
, IntelHDAStream
),
1166 VMSTATE_UINT32(bdlp_ubase
, IntelHDAStream
),
1167 VMSTATE_END_OF_LIST()
1171 static const VMStateDescription vmstate_intel_hda
= {
1172 .name
= "intel-hda",
1174 .post_load
= intel_hda_post_load
,
1175 .fields
= (VMStateField
[]) {
1176 VMSTATE_PCI_DEVICE(pci
, IntelHDAState
),
1179 VMSTATE_UINT32(g_ctl
, IntelHDAState
),
1180 VMSTATE_UINT32(wake_en
, IntelHDAState
),
1181 VMSTATE_UINT32(state_sts
, IntelHDAState
),
1182 VMSTATE_UINT32(int_ctl
, IntelHDAState
),
1183 VMSTATE_UINT32(int_sts
, IntelHDAState
),
1184 VMSTATE_UINT32(wall_clk
, IntelHDAState
),
1185 VMSTATE_UINT32(corb_lbase
, IntelHDAState
),
1186 VMSTATE_UINT32(corb_ubase
, IntelHDAState
),
1187 VMSTATE_UINT32(corb_rp
, IntelHDAState
),
1188 VMSTATE_UINT32(corb_wp
, IntelHDAState
),
1189 VMSTATE_UINT32(corb_ctl
, IntelHDAState
),
1190 VMSTATE_UINT32(corb_sts
, IntelHDAState
),
1191 VMSTATE_UINT32(corb_size
, IntelHDAState
),
1192 VMSTATE_UINT32(rirb_lbase
, IntelHDAState
),
1193 VMSTATE_UINT32(rirb_ubase
, IntelHDAState
),
1194 VMSTATE_UINT32(rirb_wp
, IntelHDAState
),
1195 VMSTATE_UINT32(rirb_cnt
, IntelHDAState
),
1196 VMSTATE_UINT32(rirb_ctl
, IntelHDAState
),
1197 VMSTATE_UINT32(rirb_sts
, IntelHDAState
),
1198 VMSTATE_UINT32(rirb_size
, IntelHDAState
),
1199 VMSTATE_UINT32(dp_lbase
, IntelHDAState
),
1200 VMSTATE_UINT32(dp_ubase
, IntelHDAState
),
1201 VMSTATE_UINT32(icw
, IntelHDAState
),
1202 VMSTATE_UINT32(irr
, IntelHDAState
),
1203 VMSTATE_UINT32(ics
, IntelHDAState
),
1204 VMSTATE_STRUCT_ARRAY(st
, IntelHDAState
, 8, 0,
1205 vmstate_intel_hda_stream
,
1208 /* additional state info */
1209 VMSTATE_UINT32(rirb_count
, IntelHDAState
),
1210 VMSTATE_INT64(wall_base_ns
, IntelHDAState
),
1212 VMSTATE_END_OF_LIST()
1216 static Property intel_hda_properties
[] = {
1217 DEFINE_PROP_UINT32("debug", IntelHDAState
, debug
, 0),
1218 DEFINE_PROP_ON_OFF_AUTO("msi", IntelHDAState
, msi
, ON_OFF_AUTO_AUTO
),
1219 DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState
, old_msi_addr
, false),
1220 DEFINE_PROP_END_OF_LIST(),
1223 static void intel_hda_class_init(ObjectClass
*klass
, void *data
)
1225 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1226 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
1228 k
->realize
= intel_hda_realize
;
1229 k
->exit
= intel_hda_exit
;
1230 k
->vendor_id
= PCI_VENDOR_ID_INTEL
;
1231 k
->class_id
= PCI_CLASS_MULTIMEDIA_HD_AUDIO
;
1232 dc
->reset
= intel_hda_reset
;
1233 dc
->vmsd
= &vmstate_intel_hda
;
1234 device_class_set_props(dc
, intel_hda_properties
);
1237 static void intel_hda_class_init_ich6(ObjectClass
*klass
, void *data
)
1239 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1240 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
1242 k
->device_id
= 0x2668;
1244 set_bit(DEVICE_CATEGORY_SOUND
, dc
->categories
);
1245 dc
->desc
= "Intel HD Audio Controller (ich6)";
1248 static void intel_hda_class_init_ich9(ObjectClass
*klass
, void *data
)
1250 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1251 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
1253 k
->device_id
= 0x293e;
1255 set_bit(DEVICE_CATEGORY_SOUND
, dc
->categories
);
1256 dc
->desc
= "Intel HD Audio Controller (ich9)";
1259 static const TypeInfo intel_hda_info
= {
1260 .name
= TYPE_INTEL_HDA_GENERIC
,
1261 .parent
= TYPE_PCI_DEVICE
,
1262 .instance_size
= sizeof(IntelHDAState
),
1263 .class_init
= intel_hda_class_init
,
1265 .interfaces
= (InterfaceInfo
[]) {
1266 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
1271 static const TypeInfo intel_hda_info_ich6
= {
1272 .name
= "intel-hda",
1273 .parent
= TYPE_INTEL_HDA_GENERIC
,
1274 .class_init
= intel_hda_class_init_ich6
,
1277 static const TypeInfo intel_hda_info_ich9
= {
1278 .name
= "ich9-intel-hda",
1279 .parent
= TYPE_INTEL_HDA_GENERIC
,
1280 .class_init
= intel_hda_class_init_ich9
,
1283 static void hda_codec_device_class_init(ObjectClass
*klass
, void *data
)
1285 DeviceClass
*k
= DEVICE_CLASS(klass
);
1286 k
->realize
= hda_codec_dev_realize
;
1287 k
->unrealize
= hda_codec_dev_unrealize
;
1288 set_bit(DEVICE_CATEGORY_SOUND
, k
->categories
);
1289 k
->bus_type
= TYPE_HDA_BUS
;
1290 device_class_set_props(k
, hda_props
);
1293 static const TypeInfo hda_codec_device_type_info
= {
1294 .name
= TYPE_HDA_CODEC_DEVICE
,
1295 .parent
= TYPE_DEVICE
,
1296 .instance_size
= sizeof(HDACodecDevice
),
1298 .class_size
= sizeof(HDACodecDeviceClass
),
1299 .class_init
= hda_codec_device_class_init
,
1303 * create intel hda controller with codec attached to it,
1304 * so '-soundhw hda' works.
1306 static int intel_hda_and_codec_init(PCIBus
*bus
)
1308 DeviceState
*controller
;
1312 warn_report("'-soundhw hda' is deprecated, "
1313 "please use '-device intel-hda -device hda-duplex' instead");
1314 controller
= DEVICE(pci_create_simple(bus
, -1, "intel-hda"));
1315 hdabus
= QLIST_FIRST(&controller
->child_bus
);
1316 codec
= qdev_new("hda-duplex");
1317 qdev_realize_and_unref(codec
, hdabus
, &error_fatal
);
1321 static void intel_hda_register_types(void)
1323 type_register_static(&hda_codec_bus_info
);
1324 type_register_static(&intel_hda_info
);
1325 type_register_static(&intel_hda_info_ich6
);
1326 type_register_static(&intel_hda_info_ich9
);
1327 type_register_static(&hda_codec_device_type_info
);
1328 pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init
);
1331 type_init(intel_hda_register_types
)