2 * Copyright (C) 2010 Red Hat, Inc.
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"
22 #include "hw/pci/pci.h"
23 #include "hw/pci/msi.h"
24 #include "qemu/timer.h"
25 #include "hw/audio/audio.h"
26 #include "intel-hda.h"
27 #include "intel-hda-defs.h"
28 #include "sysemu/dma.h"
29 #include "qapi/error.h"
31 /* --------------------------------------------------------------------- */
34 static Property hda_props[] = {
35 DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
36 DEFINE_PROP_END_OF_LIST()
39 static const TypeInfo hda_codec_bus_info = {
42 .instance_size = sizeof(HDACodecBus),
45 void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
46 hda_codec_response_func response,
47 hda_codec_xfer_func xfer)
49 qbus_create_inplace(bus, bus_size, TYPE_HDA_BUS, dev, NULL);
50 bus->response = response;
54 static void hda_codec_dev_realize(DeviceState *qdev, Error **errp)
56 HDACodecBus *bus = HDA_BUS(qdev->parent_bus);
57 HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
58 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
61 dev->cad = bus->next_cad;
64 error_setg(errp, "HDA audio codec address is full");
67 bus->next_cad = dev->cad + 1;
68 if (cdc->init(dev) != 0) {
69 error_setg(errp, "HDA audio init failed");
73 static int hda_codec_dev_exit(DeviceState *qdev)
75 HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
76 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
84 HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
89 QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
90 DeviceState *qdev = kid->child;
91 cdev = HDA_CODEC_DEVICE(qdev);
92 if (cdev->cad == cad) {
99 void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
101 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
102 bus->response(dev, solicited, response);
105 bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
106 uint8_t *buf, uint32_t len)
108 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
109 return bus->xfer(dev, stnr, output, buf, len);
112 /* --------------------------------------------------------------------- */
113 /* intel hda emulation */
115 typedef struct IntelHDAStream IntelHDAStream;
116 typedef struct IntelHDAState IntelHDAState;
117 typedef struct IntelHDAReg IntelHDAReg;
125 struct IntelHDAStream {
138 uint32_t bsize, be, bp;
141 struct IntelHDAState {
178 IntelHDAStream st[8];
183 int64_t wall_base_ns;
186 const IntelHDAReg *last_reg;
190 uint32_t repeat_count;
198 #define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
200 #define INTEL_HDA(obj) \
201 OBJECT_CHECK(IntelHDAState, (obj), TYPE_INTEL_HDA_GENERIC)
204 const char *name; /* register name */
205 uint32_t size; /* size in bytes */
206 uint32_t reset; /* reset value */
207 uint32_t wmask; /* write mask */
208 uint32_t wclear; /* write 1 to clear bits */
209 uint32_t offset; /* location in IntelHDAState */
210 uint32_t shift; /* byte access entries for dwords */
212 void (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
213 void (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
216 static void intel_hda_reset(DeviceState *dev);
218 /* --------------------------------------------------------------------- */
220 static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase)
222 return ((uint64_t)ubase << 32) | lbase;
225 static void intel_hda_update_int_sts(IntelHDAState *d)
230 /* update controller status */
231 if (d->rirb_sts & ICH6_RBSTS_IRQ) {
234 if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
237 if (d->state_sts & d->wake_en) {
241 /* update stream status */
242 for (i = 0; i < 8; i++) {
243 /* buffer completion interrupt */
244 if (d->st[i].ctl & (1 << 26)) {
249 /* update global status */
250 if (sts & d->int_ctl) {
257 static void intel_hda_update_irq(IntelHDAState *d)
259 bool msi = msi_enabled(&d->pci);
262 intel_hda_update_int_sts(d);
263 if (d->int_sts & (1U << 31) && d->int_ctl & (1U << 31)) {
268 dprint(d, 2, "%s: level %d [%s]\n", __FUNCTION__,
269 level, msi ? "msi" : "intx");
272 msi_notify(&d->pci, 0);
275 pci_set_irq(&d->pci, level);
279 static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
281 uint32_t cad, nid, data;
282 HDACodecDevice *codec;
283 HDACodecDeviceClass *cdc;
285 cad = (verb >> 28) & 0x0f;
286 if (verb & (1 << 27)) {
287 /* indirect node addressing, not specified in HDA 1.0 */
288 dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __FUNCTION__);
291 nid = (verb >> 20) & 0x7f;
292 data = verb & 0xfffff;
294 codec = hda_codec_find(&d->codecs, cad);
296 dprint(d, 1, "%s: addressed non-existing codec\n", __FUNCTION__);
299 cdc = HDA_CODEC_DEVICE_GET_CLASS(codec);
300 cdc->command(codec, nid, data);
304 static void intel_hda_corb_run(IntelHDAState *d)
309 if (d->ics & ICH6_IRS_BUSY) {
310 dprint(d, 2, "%s: [icw] verb 0x%08x\n", __FUNCTION__, d->icw);
311 intel_hda_send_command(d, d->icw);
316 if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
317 dprint(d, 2, "%s: !run\n", __FUNCTION__);
320 if ((d->corb_rp & 0xff) == d->corb_wp) {
321 dprint(d, 2, "%s: corb ring empty\n", __FUNCTION__);
324 if (d->rirb_count == d->rirb_cnt) {
325 dprint(d, 2, "%s: rirb count reached\n", __FUNCTION__);
329 rp = (d->corb_rp + 1) & 0xff;
330 addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
331 verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
334 dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __FUNCTION__, rp, verb);
335 intel_hda_send_command(d, verb);
339 static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
341 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
342 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
346 if (d->ics & ICH6_IRS_BUSY) {
347 dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
348 __FUNCTION__, response, dev->cad);
350 d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
351 d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
355 if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
356 dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __FUNCTION__);
360 ex = (solicited ? 0 : (1 << 4)) | dev->cad;
361 wp = (d->rirb_wp + 1) & 0xff;
362 addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
363 stl_le_pci_dma(&d->pci, addr + 8*wp, response);
364 stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
367 dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
368 __FUNCTION__, wp, response, ex);
371 if (d->rirb_count == d->rirb_cnt) {
372 dprint(d, 2, "%s: rirb count reached (%d)\n", __FUNCTION__, d->rirb_count);
373 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
374 d->rirb_sts |= ICH6_RBSTS_IRQ;
375 intel_hda_update_irq(d);
377 } else if ((d->corb_rp & 0xff) == d->corb_wp) {
378 dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __FUNCTION__,
379 d->rirb_count, d->rirb_cnt);
380 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
381 d->rirb_sts |= ICH6_RBSTS_IRQ;
382 intel_hda_update_irq(d);
387 static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
388 uint8_t *buf, uint32_t len)
390 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
391 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
393 uint32_t s, copy, left;
397 st = output ? d->st + 4 : d->st;
398 for (s = 0; s < 4; s++) {
399 if (stnr == ((st[s].ctl >> 20) & 0x0f)) {
407 if (st->bpl == NULL) {
410 if (st->ctl & (1 << 26)) {
412 * Wait with the next DMA xfer until the guest
413 * has acked the buffer completion interrupt
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,
677 [ ICH6_REG_WALLCLK + 0x2000 ] = {
678 .name = "WALLCLK(alias)",
680 .offset = offsetof(IntelHDAState, wall_clk),
681 .rhandler = intel_hda_get_wall_clk,
685 [ ICH6_REG_CORBLBASE ] = {
689 .offset = offsetof(IntelHDAState, corb_lbase),
691 [ ICH6_REG_CORBUBASE ] = {
695 .offset = offsetof(IntelHDAState, corb_ubase),
697 [ ICH6_REG_CORBWP ] = {
701 .offset = offsetof(IntelHDAState, corb_wp),
702 .whandler = intel_hda_set_corb_wp,
704 [ ICH6_REG_CORBRP ] = {
708 .offset = offsetof(IntelHDAState, corb_rp),
710 [ ICH6_REG_CORBCTL ] = {
714 .offset = offsetof(IntelHDAState, corb_ctl),
715 .whandler = intel_hda_set_corb_ctl,
717 [ ICH6_REG_CORBSTS ] = {
722 .offset = offsetof(IntelHDAState, corb_sts),
724 [ ICH6_REG_CORBSIZE ] = {
728 .offset = offsetof(IntelHDAState, corb_size),
730 [ ICH6_REG_RIRBLBASE ] = {
734 .offset = offsetof(IntelHDAState, rirb_lbase),
736 [ ICH6_REG_RIRBUBASE ] = {
740 .offset = offsetof(IntelHDAState, rirb_ubase),
742 [ ICH6_REG_RIRBWP ] = {
746 .offset = offsetof(IntelHDAState, rirb_wp),
747 .whandler = intel_hda_set_rirb_wp,
749 [ ICH6_REG_RINTCNT ] = {
753 .offset = offsetof(IntelHDAState, rirb_cnt),
755 [ ICH6_REG_RIRBCTL ] = {
759 .offset = offsetof(IntelHDAState, rirb_ctl),
761 [ ICH6_REG_RIRBSTS ] = {
766 .offset = offsetof(IntelHDAState, rirb_sts),
767 .whandler = intel_hda_set_rirb_sts,
769 [ ICH6_REG_RIRBSIZE ] = {
773 .offset = offsetof(IntelHDAState, rirb_size),
776 [ ICH6_REG_DPLBASE ] = {
780 .offset = offsetof(IntelHDAState, dp_lbase),
782 [ ICH6_REG_DPUBASE ] = {
786 .offset = offsetof(IntelHDAState, dp_ubase),
793 .offset = offsetof(IntelHDAState, icw),
798 .offset = offsetof(IntelHDAState, irr),
805 .offset = offsetof(IntelHDAState, ics),
806 .whandler = intel_hda_set_ics,
809 #define HDA_STREAM(_t, _i) \
810 [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \
812 .name = _t stringify(_i) " CTL", \
814 .wmask = 0x1cff001f, \
815 .offset = offsetof(IntelHDAState, st[_i].ctl), \
816 .whandler = intel_hda_set_st_ctl, \
818 [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \
820 .name = _t stringify(_i) " CTL(stnr)", \
823 .wmask = 0x00ff0000, \
824 .offset = offsetof(IntelHDAState, st[_i].ctl), \
825 .whandler = intel_hda_set_st_ctl, \
827 [ ST_REG(_i, ICH6_REG_SD_STS)] = { \
829 .name = _t stringify(_i) " CTL(sts)", \
832 .wmask = 0x1c000000, \
833 .wclear = 0x1c000000, \
834 .offset = offsetof(IntelHDAState, st[_i].ctl), \
835 .whandler = intel_hda_set_st_ctl, \
836 .reset = SD_STS_FIFO_READY << 24 \
838 [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
840 .name = _t stringify(_i) " LPIB", \
842 .offset = offsetof(IntelHDAState, st[_i].lpib), \
844 [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = { \
846 .name = _t stringify(_i) " LPIB(alias)", \
848 .offset = offsetof(IntelHDAState, st[_i].lpib), \
850 [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \
852 .name = _t stringify(_i) " CBL", \
854 .wmask = 0xffffffff, \
855 .offset = offsetof(IntelHDAState, st[_i].cbl), \
857 [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \
859 .name = _t stringify(_i) " LVI", \
862 .offset = offsetof(IntelHDAState, st[_i].lvi), \
864 [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \
866 .name = _t stringify(_i) " FIFOS", \
868 .reset = HDA_BUFFER_SIZE, \
870 [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \
872 .name = _t stringify(_i) " FMT", \
875 .offset = offsetof(IntelHDAState, st[_i].fmt), \
877 [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \
879 .name = _t stringify(_i) " BDLPL", \
881 .wmask = 0xffffff80, \
882 .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \
884 [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \
886 .name = _t stringify(_i) " BDLPU", \
888 .wmask = 0xffffffff, \
889 .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \
904 static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr)
906 const IntelHDAReg *reg;
908 if (addr >= ARRAY_SIZE(regtab)) {
912 if (reg->name == NULL) {
918 dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
922 static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
924 uint8_t *addr = (void*)d;
927 return (uint32_t*)addr;
930 static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
941 time_t now = time(NULL);
942 if (d->last_write && d->last_reg == reg && d->last_val == val) {
944 if (d->last_sec != now) {
945 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
950 if (d->repeat_count) {
951 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
953 dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
961 assert(reg->offset != 0);
963 addr = intel_hda_reg_addr(d, reg);
968 wmask <<= reg->shift;
972 *addr |= wmask & val;
973 *addr &= ~(val & reg->wclear);
976 reg->whandler(d, reg, old);
980 static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
990 reg->rhandler(d, reg);
993 if (reg->offset == 0) {
994 /* constant read-only register */
997 addr = intel_hda_reg_addr(d, reg);
1005 time_t now = time(NULL);
1006 if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
1008 if (d->last_sec != now) {
1009 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1011 d->repeat_count = 0;
1014 if (d->repeat_count) {
1015 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1017 dprint(d, 2, "read %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1022 d->repeat_count = 0;
1028 static void intel_hda_regs_reset(IntelHDAState *d)
1033 for (i = 0; i < ARRAY_SIZE(regtab); i++) {
1034 if (regtab[i].name == NULL) {
1037 if (regtab[i].offset == 0) {
1040 addr = intel_hda_reg_addr(d, regtab + i);
1041 *addr = regtab[i].reset;
1045 /* --------------------------------------------------------------------- */
1047 static void intel_hda_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
1049 IntelHDAState *d = opaque;
1050 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1052 intel_hda_reg_write(d, reg, val, 0xff);
1055 static void intel_hda_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
1057 IntelHDAState *d = opaque;
1058 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1060 intel_hda_reg_write(d, reg, val, 0xffff);
1063 static void intel_hda_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
1065 IntelHDAState *d = opaque;
1066 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1068 intel_hda_reg_write(d, reg, val, 0xffffffff);
1071 static uint32_t intel_hda_mmio_readb(void *opaque, hwaddr addr)
1073 IntelHDAState *d = opaque;
1074 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1076 return intel_hda_reg_read(d, reg, 0xff);
1079 static uint32_t intel_hda_mmio_readw(void *opaque, hwaddr addr)
1081 IntelHDAState *d = opaque;
1082 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1084 return intel_hda_reg_read(d, reg, 0xffff);
1087 static uint32_t intel_hda_mmio_readl(void *opaque, hwaddr addr)
1089 IntelHDAState *d = opaque;
1090 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1092 return intel_hda_reg_read(d, reg, 0xffffffff);
1095 static const MemoryRegionOps intel_hda_mmio_ops = {
1098 intel_hda_mmio_readb,
1099 intel_hda_mmio_readw,
1100 intel_hda_mmio_readl,
1103 intel_hda_mmio_writeb,
1104 intel_hda_mmio_writew,
1105 intel_hda_mmio_writel,
1108 .endianness = DEVICE_NATIVE_ENDIAN,
1111 /* --------------------------------------------------------------------- */
1113 static void intel_hda_reset(DeviceState *dev)
1116 IntelHDAState *d = INTEL_HDA(dev);
1117 HDACodecDevice *cdev;
1119 intel_hda_regs_reset(d);
1120 d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1123 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
1124 DeviceState *qdev = kid->child;
1125 cdev = HDA_CODEC_DEVICE(qdev);
1126 device_reset(DEVICE(cdev));
1127 d->state_sts |= (1 << cdev->cad);
1129 intel_hda_update_irq(d);
1132 static void intel_hda_realize(PCIDevice *pci, Error **errp)
1134 IntelHDAState *d = INTEL_HDA(pci);
1135 uint8_t *conf = d->pci.config;
1139 d->name = object_get_typename(OBJECT(d));
1141 pci_config_set_interrupt_pin(conf, 1);
1143 /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1146 if (d->msi != ON_OFF_AUTO_OFF) {
1147 ret = msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60,
1148 1, true, false, &err);
1149 /* Any error other than -ENOTSUP(board's MSI support is broken)
1150 * is a programming error */
1151 assert(!ret || ret == -ENOTSUP);
1152 if (ret && d->msi == ON_OFF_AUTO_ON) {
1153 /* Can't satisfy user's explicit msi=on request, fail */
1154 error_append_hint(&err, "You have to use msi=auto (default) or "
1155 "msi=off with this machine type.\n");
1156 error_propagate(errp, err);
1159 assert(!err || d->msi == ON_OFF_AUTO_AUTO);
1160 /* With msi=auto, we fall back to MSI off silently */
1164 memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d,
1165 "intel-hda", 0x4000);
1166 pci_register_bar(&d->pci, 0, 0, &d->mmio);
1168 hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
1169 intel_hda_response, intel_hda_xfer);
1172 static void intel_hda_exit(PCIDevice *pci)
1174 IntelHDAState *d = INTEL_HDA(pci);
1176 msi_uninit(&d->pci);
1179 static int intel_hda_post_load(void *opaque, int version)
1181 IntelHDAState* d = opaque;
1184 dprint(d, 1, "%s\n", __FUNCTION__);
1185 for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1186 if (d->st[i].ctl & 0x02) {
1187 intel_hda_parse_bdl(d, &d->st[i]);
1190 intel_hda_update_irq(d);
1194 static const VMStateDescription vmstate_intel_hda_stream = {
1195 .name = "intel-hda-stream",
1197 .fields = (VMStateField[]) {
1198 VMSTATE_UINT32(ctl, IntelHDAStream),
1199 VMSTATE_UINT32(lpib, IntelHDAStream),
1200 VMSTATE_UINT32(cbl, IntelHDAStream),
1201 VMSTATE_UINT32(lvi, IntelHDAStream),
1202 VMSTATE_UINT32(fmt, IntelHDAStream),
1203 VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1204 VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1205 VMSTATE_END_OF_LIST()
1209 static const VMStateDescription vmstate_intel_hda = {
1210 .name = "intel-hda",
1212 .post_load = intel_hda_post_load,
1213 .fields = (VMStateField[]) {
1214 VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1217 VMSTATE_UINT32(g_ctl, IntelHDAState),
1218 VMSTATE_UINT32(wake_en, IntelHDAState),
1219 VMSTATE_UINT32(state_sts, IntelHDAState),
1220 VMSTATE_UINT32(int_ctl, IntelHDAState),
1221 VMSTATE_UINT32(int_sts, IntelHDAState),
1222 VMSTATE_UINT32(wall_clk, IntelHDAState),
1223 VMSTATE_UINT32(corb_lbase, IntelHDAState),
1224 VMSTATE_UINT32(corb_ubase, IntelHDAState),
1225 VMSTATE_UINT32(corb_rp, IntelHDAState),
1226 VMSTATE_UINT32(corb_wp, IntelHDAState),
1227 VMSTATE_UINT32(corb_ctl, IntelHDAState),
1228 VMSTATE_UINT32(corb_sts, IntelHDAState),
1229 VMSTATE_UINT32(corb_size, IntelHDAState),
1230 VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1231 VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1232 VMSTATE_UINT32(rirb_wp, IntelHDAState),
1233 VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1234 VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1235 VMSTATE_UINT32(rirb_sts, IntelHDAState),
1236 VMSTATE_UINT32(rirb_size, IntelHDAState),
1237 VMSTATE_UINT32(dp_lbase, IntelHDAState),
1238 VMSTATE_UINT32(dp_ubase, IntelHDAState),
1239 VMSTATE_UINT32(icw, IntelHDAState),
1240 VMSTATE_UINT32(irr, IntelHDAState),
1241 VMSTATE_UINT32(ics, IntelHDAState),
1242 VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1243 vmstate_intel_hda_stream,
1246 /* additional state info */
1247 VMSTATE_UINT32(rirb_count, IntelHDAState),
1248 VMSTATE_INT64(wall_base_ns, IntelHDAState),
1250 VMSTATE_END_OF_LIST()
1254 static Property intel_hda_properties[] = {
1255 DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1256 DEFINE_PROP_ON_OFF_AUTO("msi", IntelHDAState, msi, ON_OFF_AUTO_AUTO),
1257 DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState, old_msi_addr, false),
1258 DEFINE_PROP_END_OF_LIST(),
1261 static void intel_hda_class_init(ObjectClass *klass, void *data)
1263 DeviceClass *dc = DEVICE_CLASS(klass);
1264 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1266 k->realize = intel_hda_realize;
1267 k->exit = intel_hda_exit;
1268 k->vendor_id = PCI_VENDOR_ID_INTEL;
1269 k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;
1270 dc->reset = intel_hda_reset;
1271 dc->vmsd = &vmstate_intel_hda;
1272 dc->props = intel_hda_properties;
1275 static void intel_hda_class_init_ich6(ObjectClass *klass, void *data)
1277 DeviceClass *dc = DEVICE_CLASS(klass);
1278 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1280 k->device_id = 0x2668;
1282 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1283 dc->desc = "Intel HD Audio Controller (ich6)";
1286 static void intel_hda_class_init_ich9(ObjectClass *klass, void *data)
1288 DeviceClass *dc = DEVICE_CLASS(klass);
1289 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1291 k->device_id = 0x293e;
1293 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1294 dc->desc = "Intel HD Audio Controller (ich9)";
1297 static const TypeInfo intel_hda_info = {
1298 .name = TYPE_INTEL_HDA_GENERIC,
1299 .parent = TYPE_PCI_DEVICE,
1300 .instance_size = sizeof(IntelHDAState),
1301 .class_init = intel_hda_class_init,
1305 static const TypeInfo intel_hda_info_ich6 = {
1306 .name = "intel-hda",
1307 .parent = TYPE_INTEL_HDA_GENERIC,
1308 .class_init = intel_hda_class_init_ich6,
1311 static const TypeInfo intel_hda_info_ich9 = {
1312 .name = "ich9-intel-hda",
1313 .parent = TYPE_INTEL_HDA_GENERIC,
1314 .class_init = intel_hda_class_init_ich9,
1317 static void hda_codec_device_class_init(ObjectClass *klass, void *data)
1319 DeviceClass *k = DEVICE_CLASS(klass);
1320 k->realize = hda_codec_dev_realize;
1321 k->exit = hda_codec_dev_exit;
1322 set_bit(DEVICE_CATEGORY_SOUND, k->categories);
1323 k->bus_type = TYPE_HDA_BUS;
1324 k->props = hda_props;
1327 static const TypeInfo hda_codec_device_type_info = {
1328 .name = TYPE_HDA_CODEC_DEVICE,
1329 .parent = TYPE_DEVICE,
1330 .instance_size = sizeof(HDACodecDevice),
1332 .class_size = sizeof(HDACodecDeviceClass),
1333 .class_init = hda_codec_device_class_init,
1337 * create intel hda controller with codec attached to it,
1338 * so '-soundhw hda' works.
1340 static int intel_hda_and_codec_init(PCIBus *bus)
1342 DeviceState *controller;
1346 controller = DEVICE(pci_create_simple(bus, -1, "intel-hda"));
1347 hdabus = QLIST_FIRST(&controller->child_bus);
1348 codec = qdev_create(hdabus, "hda-duplex");
1349 qdev_init_nofail(codec);
1353 static void intel_hda_register_types(void)
1355 type_register_static(&hda_codec_bus_info);
1356 type_register_static(&intel_hda_info);
1357 type_register_static(&intel_hda_info_ich6);
1358 type_register_static(&intel_hda_info_ich9);
1359 type_register_static(&hda_codec_device_type_info);
1360 pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init);
1363 type_init(intel_hda_register_types)