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"
21 #include "hw/pci/pci.h"
22 #include "hw/pci/msi.h"
23 #include "qemu/timer.h"
24 #include "qemu/bitops.h"
26 #include "qemu/module.h"
27 #include "hw/audio/soundhw.h"
28 #include "intel-hda.h"
29 #include "migration/vmstate.h"
30 #include "intel-hda-defs.h"
31 #include "sysemu/dma.h"
32 #include "qapi/error.h"
34 /* --------------------------------------------------------------------- */
37 static Property hda_props[] = {
38 DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
39 DEFINE_PROP_END_OF_LIST()
42 static const TypeInfo hda_codec_bus_info = {
45 .instance_size = sizeof(HDACodecBus),
48 void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
49 hda_codec_response_func response,
50 hda_codec_xfer_func xfer)
52 qbus_create_inplace(bus, bus_size, TYPE_HDA_BUS, dev, NULL);
53 bus->response = response;
57 static void hda_codec_dev_realize(DeviceState *qdev, Error **errp)
59 HDACodecBus *bus = HDA_BUS(qdev->parent_bus);
60 HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
61 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
64 dev->cad = bus->next_cad;
67 error_setg(errp, "HDA audio codec address is full");
70 bus->next_cad = dev->cad + 1;
71 if (cdc->init(dev) != 0) {
72 error_setg(errp, "HDA audio init failed");
76 static void hda_codec_dev_unrealize(DeviceState *qdev, Error **errp)
78 HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
79 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
86 HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
91 QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
92 DeviceState *qdev = kid->child;
93 cdev = HDA_CODEC_DEVICE(qdev);
94 if (cdev->cad == cad) {
101 void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
103 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
104 bus->response(dev, solicited, response);
107 bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
108 uint8_t *buf, uint32_t len)
110 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
111 return bus->xfer(dev, stnr, output, buf, len);
114 /* --------------------------------------------------------------------- */
115 /* intel hda emulation */
117 typedef struct IntelHDAStream IntelHDAStream;
118 typedef struct IntelHDAState IntelHDAState;
119 typedef struct IntelHDAReg IntelHDAReg;
127 struct IntelHDAStream {
140 uint32_t bsize, be, bp;
143 struct IntelHDAState {
180 IntelHDAStream st[8];
185 int64_t wall_base_ns;
188 const IntelHDAReg *last_reg;
192 uint32_t repeat_count;
200 #define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
202 #define INTEL_HDA(obj) \
203 OBJECT_CHECK(IntelHDAState, (obj), TYPE_INTEL_HDA_GENERIC)
206 const char *name; /* register name */
207 uint32_t size; /* size in bytes */
208 uint32_t reset; /* reset value */
209 uint32_t wmask; /* write mask */
210 uint32_t wclear; /* write 1 to clear bits */
211 uint32_t offset; /* location in IntelHDAState */
212 uint32_t shift; /* byte access entries for dwords */
214 void (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
215 void (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
218 static void intel_hda_reset(DeviceState *dev);
220 /* --------------------------------------------------------------------- */
222 static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase)
224 return ((uint64_t)ubase << 32) | lbase;
227 static void intel_hda_update_int_sts(IntelHDAState *d)
232 /* update controller status */
233 if (d->rirb_sts & ICH6_RBSTS_IRQ) {
236 if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
239 if (d->state_sts & d->wake_en) {
243 /* update stream status */
244 for (i = 0; i < 8; i++) {
245 /* buffer completion interrupt */
246 if (d->st[i].ctl & (1 << 26)) {
251 /* update global status */
252 if (sts & d->int_ctl) {
259 static void intel_hda_update_irq(IntelHDAState *d)
261 bool msi = msi_enabled(&d->pci);
264 intel_hda_update_int_sts(d);
265 if (d->int_sts & (1U << 31) && d->int_ctl & (1U << 31)) {
270 dprint(d, 2, "%s: level %d [%s]\n", __func__,
271 level, msi ? "msi" : "intx");
274 msi_notify(&d->pci, 0);
277 pci_set_irq(&d->pci, level);
281 static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
283 uint32_t cad, nid, data;
284 HDACodecDevice *codec;
285 HDACodecDeviceClass *cdc;
287 cad = (verb >> 28) & 0x0f;
288 if (verb & (1 << 27)) {
289 /* indirect node addressing, not specified in HDA 1.0 */
290 dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __func__);
293 nid = (verb >> 20) & 0x7f;
294 data = verb & 0xfffff;
296 codec = hda_codec_find(&d->codecs, cad);
298 dprint(d, 1, "%s: addressed non-existing codec\n", __func__);
301 cdc = HDA_CODEC_DEVICE_GET_CLASS(codec);
302 cdc->command(codec, nid, data);
306 static void intel_hda_corb_run(IntelHDAState *d)
311 if (d->ics & ICH6_IRS_BUSY) {
312 dprint(d, 2, "%s: [icw] verb 0x%08x\n", __func__, d->icw);
313 intel_hda_send_command(d, d->icw);
318 if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
319 dprint(d, 2, "%s: !run\n", __func__);
322 if ((d->corb_rp & 0xff) == d->corb_wp) {
323 dprint(d, 2, "%s: corb ring empty\n", __func__);
326 if (d->rirb_count == d->rirb_cnt) {
327 dprint(d, 2, "%s: rirb count reached\n", __func__);
331 rp = (d->corb_rp + 1) & 0xff;
332 addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
333 verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
336 dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __func__, rp, verb);
337 intel_hda_send_command(d, verb);
341 static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
343 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
344 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
348 if (d->ics & ICH6_IRS_BUSY) {
349 dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
350 __func__, response, dev->cad);
352 d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
353 d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
357 if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
358 dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __func__);
362 ex = (solicited ? 0 : (1 << 4)) | dev->cad;
363 wp = (d->rirb_wp + 1) & 0xff;
364 addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
365 stl_le_pci_dma(&d->pci, addr + 8*wp, response);
366 stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
369 dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
370 __func__, wp, response, ex);
373 if (d->rirb_count == d->rirb_cnt) {
374 dprint(d, 2, "%s: rirb count reached (%d)\n", __func__, d->rirb_count);
375 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
376 d->rirb_sts |= ICH6_RBSTS_IRQ;
377 intel_hda_update_irq(d);
379 } else if ((d->corb_rp & 0xff) == d->corb_wp) {
380 dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __func__,
381 d->rirb_count, d->rirb_cnt);
382 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
383 d->rirb_sts |= ICH6_RBSTS_IRQ;
384 intel_hda_update_irq(d);
389 static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
390 uint8_t *buf, uint32_t len)
392 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
393 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
395 uint32_t s, copy, left;
399 st = output ? d->st + 4 : d->st;
400 for (s = 0; s < 4; s++) {
401 if (stnr == ((st[s].ctl >> 20) & 0x0f)) {
409 if (st->bpl == NULL) {
415 while (left > 0 && s-- > 0) {
417 if (copy > st->bsize - st->lpib)
418 copy = st->bsize - st->lpib;
419 if (copy > st->bpl[st->be].len - st->bp)
420 copy = st->bpl[st->be].len - st->bp;
422 dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
423 st->be, st->bp, st->bpl[st->be].len, copy);
425 pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output);
431 if (st->bpl[st->be].len == st->bp) {
432 /* bpl entry filled */
433 if (st->bpl[st->be].flags & 0x01) {
438 if (st->be == st->bentries) {
439 /* bpl wrap around */
445 if (d->dp_lbase & 0x01) {
447 addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
448 stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib);
450 dprint(d, 3, "dma: --\n");
453 st->ctl |= (1 << 26); /* buffer completion interrupt */
454 intel_hda_update_irq(d);
459 static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
465 addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
466 st->bentries = st->lvi +1;
468 st->bpl = g_malloc(sizeof(bpl) * st->bentries);
469 for (i = 0; i < st->bentries; i++, addr += 16) {
470 pci_dma_read(&d->pci, addr, buf, 16);
471 st->bpl[i].addr = le64_to_cpu(*(uint64_t *)buf);
472 st->bpl[i].len = le32_to_cpu(*(uint32_t *)(buf + 8));
473 st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
474 dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
475 i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
484 static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output)
487 HDACodecDevice *cdev;
489 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
490 DeviceState *qdev = kid->child;
491 HDACodecDeviceClass *cdc;
493 cdev = HDA_CODEC_DEVICE(qdev);
494 cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev);
496 cdc->stream(cdev, stream, running, output);
501 /* --------------------------------------------------------------------- */
503 static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
505 if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
506 intel_hda_reset(DEVICE(d));
510 static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
512 intel_hda_update_irq(d);
515 static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
517 intel_hda_update_irq(d);
520 static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
522 intel_hda_update_irq(d);
525 static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
529 ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - d->wall_base_ns;
530 d->wall_clk = (uint32_t)(ns * 24 / 1000); /* 24 MHz */
533 static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
535 intel_hda_corb_run(d);
538 static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
540 intel_hda_corb_run(d);
543 static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
545 if (d->rirb_wp & ICH6_RIRBWP_RST) {
550 static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
552 intel_hda_update_irq(d);
554 if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
555 /* cleared ICH6_RBSTS_IRQ */
557 intel_hda_corb_run(d);
561 static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
563 if (d->ics & ICH6_IRS_BUSY) {
564 intel_hda_corb_run(d);
568 static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
570 bool output = reg->stream >= 4;
571 IntelHDAStream *st = d->st + reg->stream;
573 if (st->ctl & 0x01) {
575 dprint(d, 1, "st #%d: reset\n", reg->stream);
576 st->ctl = SD_STS_FIFO_READY << 24;
578 if ((st->ctl & 0x02) != (old & 0x02)) {
579 uint32_t stnr = (st->ctl >> 20) & 0x0f;
580 /* run bit flipped */
581 if (st->ctl & 0x02) {
583 dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
584 reg->stream, stnr, st->cbl);
585 intel_hda_parse_bdl(d, st);
586 intel_hda_notify_codecs(d, stnr, true, output);
589 dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
590 intel_hda_notify_codecs(d, stnr, false, output);
593 intel_hda_update_irq(d);
596 /* --------------------------------------------------------------------- */
598 #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
600 static const struct IntelHDAReg regtab[] = {
602 [ ICH6_REG_GCAP ] = {
607 [ ICH6_REG_VMIN ] = {
611 [ ICH6_REG_VMAJ ] = {
616 [ ICH6_REG_OUTPAY ] = {
621 [ ICH6_REG_INPAY ] = {
626 [ ICH6_REG_GCTL ] = {
630 .offset = offsetof(IntelHDAState, g_ctl),
631 .whandler = intel_hda_set_g_ctl,
633 [ ICH6_REG_WAKEEN ] = {
637 .offset = offsetof(IntelHDAState, wake_en),
638 .whandler = intel_hda_set_wake_en,
640 [ ICH6_REG_STATESTS ] = {
645 .offset = offsetof(IntelHDAState, state_sts),
646 .whandler = intel_hda_set_state_sts,
650 [ ICH6_REG_INTCTL ] = {
654 .offset = offsetof(IntelHDAState, int_ctl),
655 .whandler = intel_hda_set_int_ctl,
657 [ ICH6_REG_INTSTS ] = {
661 .wclear = 0xc00000ff,
662 .offset = offsetof(IntelHDAState, int_sts),
666 [ ICH6_REG_WALLCLK ] = {
669 .offset = offsetof(IntelHDAState, wall_clk),
670 .rhandler = intel_hda_get_wall_clk,
672 [ ICH6_REG_WALLCLK + 0x2000 ] = {
673 .name = "WALLCLK(alias)",
675 .offset = offsetof(IntelHDAState, wall_clk),
676 .rhandler = intel_hda_get_wall_clk,
680 [ ICH6_REG_CORBLBASE ] = {
684 .offset = offsetof(IntelHDAState, corb_lbase),
686 [ ICH6_REG_CORBUBASE ] = {
690 .offset = offsetof(IntelHDAState, corb_ubase),
692 [ ICH6_REG_CORBWP ] = {
696 .offset = offsetof(IntelHDAState, corb_wp),
697 .whandler = intel_hda_set_corb_wp,
699 [ ICH6_REG_CORBRP ] = {
703 .offset = offsetof(IntelHDAState, corb_rp),
705 [ ICH6_REG_CORBCTL ] = {
709 .offset = offsetof(IntelHDAState, corb_ctl),
710 .whandler = intel_hda_set_corb_ctl,
712 [ ICH6_REG_CORBSTS ] = {
717 .offset = offsetof(IntelHDAState, corb_sts),
719 [ ICH6_REG_CORBSIZE ] = {
723 .offset = offsetof(IntelHDAState, corb_size),
725 [ ICH6_REG_RIRBLBASE ] = {
729 .offset = offsetof(IntelHDAState, rirb_lbase),
731 [ ICH6_REG_RIRBUBASE ] = {
735 .offset = offsetof(IntelHDAState, rirb_ubase),
737 [ ICH6_REG_RIRBWP ] = {
741 .offset = offsetof(IntelHDAState, rirb_wp),
742 .whandler = intel_hda_set_rirb_wp,
744 [ ICH6_REG_RINTCNT ] = {
748 .offset = offsetof(IntelHDAState, rirb_cnt),
750 [ ICH6_REG_RIRBCTL ] = {
754 .offset = offsetof(IntelHDAState, rirb_ctl),
756 [ ICH6_REG_RIRBSTS ] = {
761 .offset = offsetof(IntelHDAState, rirb_sts),
762 .whandler = intel_hda_set_rirb_sts,
764 [ ICH6_REG_RIRBSIZE ] = {
768 .offset = offsetof(IntelHDAState, rirb_size),
771 [ ICH6_REG_DPLBASE ] = {
775 .offset = offsetof(IntelHDAState, dp_lbase),
777 [ ICH6_REG_DPUBASE ] = {
781 .offset = offsetof(IntelHDAState, dp_ubase),
788 .offset = offsetof(IntelHDAState, icw),
793 .offset = offsetof(IntelHDAState, irr),
800 .offset = offsetof(IntelHDAState, ics),
801 .whandler = intel_hda_set_ics,
804 #define HDA_STREAM(_t, _i) \
805 [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \
807 .name = _t stringify(_i) " CTL", \
809 .wmask = 0x1cff001f, \
810 .offset = offsetof(IntelHDAState, st[_i].ctl), \
811 .whandler = intel_hda_set_st_ctl, \
813 [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \
815 .name = _t stringify(_i) " CTL(stnr)", \
818 .wmask = 0x00ff0000, \
819 .offset = offsetof(IntelHDAState, st[_i].ctl), \
820 .whandler = intel_hda_set_st_ctl, \
822 [ ST_REG(_i, ICH6_REG_SD_STS)] = { \
824 .name = _t stringify(_i) " CTL(sts)", \
827 .wmask = 0x1c000000, \
828 .wclear = 0x1c000000, \
829 .offset = offsetof(IntelHDAState, st[_i].ctl), \
830 .whandler = intel_hda_set_st_ctl, \
831 .reset = SD_STS_FIFO_READY << 24 \
833 [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
835 .name = _t stringify(_i) " LPIB", \
837 .offset = offsetof(IntelHDAState, st[_i].lpib), \
839 [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = { \
841 .name = _t stringify(_i) " LPIB(alias)", \
843 .offset = offsetof(IntelHDAState, st[_i].lpib), \
845 [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \
847 .name = _t stringify(_i) " CBL", \
849 .wmask = 0xffffffff, \
850 .offset = offsetof(IntelHDAState, st[_i].cbl), \
852 [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \
854 .name = _t stringify(_i) " LVI", \
857 .offset = offsetof(IntelHDAState, st[_i].lvi), \
859 [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \
861 .name = _t stringify(_i) " FIFOS", \
863 .reset = HDA_BUFFER_SIZE, \
865 [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \
867 .name = _t stringify(_i) " FMT", \
870 .offset = offsetof(IntelHDAState, st[_i].fmt), \
872 [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \
874 .name = _t stringify(_i) " BDLPL", \
876 .wmask = 0xffffff80, \
877 .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \
879 [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \
881 .name = _t stringify(_i) " BDLPU", \
883 .wmask = 0xffffffff, \
884 .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \
899 static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr)
901 const IntelHDAReg *reg;
903 if (addr >= ARRAY_SIZE(regtab)) {
907 if (reg->name == NULL) {
913 dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
917 static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
919 uint8_t *addr = (void*)d;
922 return (uint32_t*)addr;
925 static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
935 qemu_log_mask(LOG_GUEST_ERROR, "intel-hda: write to r/o reg %s\n",
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_write(void *opaque, hwaddr addr, uint64_t val,
1050 IntelHDAState *d = opaque;
1051 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1053 intel_hda_reg_write(d, reg, val, MAKE_64BIT_MASK(0, size * 8));
1056 static uint64_t intel_hda_mmio_read(void *opaque, hwaddr addr, unsigned size)
1058 IntelHDAState *d = opaque;
1059 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1061 return intel_hda_reg_read(d, reg, MAKE_64BIT_MASK(0, size * 8));
1064 static const MemoryRegionOps intel_hda_mmio_ops = {
1065 .read = intel_hda_mmio_read,
1066 .write = intel_hda_mmio_write,
1068 .min_access_size = 1,
1069 .max_access_size = 4,
1071 .endianness = DEVICE_NATIVE_ENDIAN,
1074 /* --------------------------------------------------------------------- */
1076 static void intel_hda_reset(DeviceState *dev)
1079 IntelHDAState *d = INTEL_HDA(dev);
1080 HDACodecDevice *cdev;
1082 intel_hda_regs_reset(d);
1083 d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1086 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
1087 DeviceState *qdev = kid->child;
1088 cdev = HDA_CODEC_DEVICE(qdev);
1089 device_reset(DEVICE(cdev));
1090 d->state_sts |= (1 << cdev->cad);
1092 intel_hda_update_irq(d);
1095 static void intel_hda_realize(PCIDevice *pci, Error **errp)
1097 IntelHDAState *d = INTEL_HDA(pci);
1098 uint8_t *conf = d->pci.config;
1102 d->name = object_get_typename(OBJECT(d));
1104 pci_config_set_interrupt_pin(conf, 1);
1106 /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1109 if (d->msi != ON_OFF_AUTO_OFF) {
1110 ret = msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60,
1111 1, true, false, &err);
1112 /* Any error other than -ENOTSUP(board's MSI support is broken)
1113 * is a programming error */
1114 assert(!ret || ret == -ENOTSUP);
1115 if (ret && d->msi == ON_OFF_AUTO_ON) {
1116 /* Can't satisfy user's explicit msi=on request, fail */
1117 error_append_hint(&err, "You have to use msi=auto (default) or "
1118 "msi=off with this machine type.\n");
1119 error_propagate(errp, err);
1122 assert(!err || d->msi == ON_OFF_AUTO_AUTO);
1123 /* With msi=auto, we fall back to MSI off silently */
1127 memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d,
1128 "intel-hda", 0x4000);
1129 pci_register_bar(&d->pci, 0, 0, &d->mmio);
1131 hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
1132 intel_hda_response, intel_hda_xfer);
1135 static void intel_hda_exit(PCIDevice *pci)
1137 IntelHDAState *d = INTEL_HDA(pci);
1139 msi_uninit(&d->pci);
1142 static int intel_hda_post_load(void *opaque, int version)
1144 IntelHDAState* d = opaque;
1147 dprint(d, 1, "%s\n", __func__);
1148 for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1149 if (d->st[i].ctl & 0x02) {
1150 intel_hda_parse_bdl(d, &d->st[i]);
1153 intel_hda_update_irq(d);
1157 static const VMStateDescription vmstate_intel_hda_stream = {
1158 .name = "intel-hda-stream",
1160 .fields = (VMStateField[]) {
1161 VMSTATE_UINT32(ctl, IntelHDAStream),
1162 VMSTATE_UINT32(lpib, IntelHDAStream),
1163 VMSTATE_UINT32(cbl, IntelHDAStream),
1164 VMSTATE_UINT32(lvi, IntelHDAStream),
1165 VMSTATE_UINT32(fmt, IntelHDAStream),
1166 VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1167 VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1168 VMSTATE_END_OF_LIST()
1172 static const VMStateDescription vmstate_intel_hda = {
1173 .name = "intel-hda",
1175 .post_load = intel_hda_post_load,
1176 .fields = (VMStateField[]) {
1177 VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1180 VMSTATE_UINT32(g_ctl, IntelHDAState),
1181 VMSTATE_UINT32(wake_en, IntelHDAState),
1182 VMSTATE_UINT32(state_sts, IntelHDAState),
1183 VMSTATE_UINT32(int_ctl, IntelHDAState),
1184 VMSTATE_UINT32(int_sts, IntelHDAState),
1185 VMSTATE_UINT32(wall_clk, IntelHDAState),
1186 VMSTATE_UINT32(corb_lbase, IntelHDAState),
1187 VMSTATE_UINT32(corb_ubase, IntelHDAState),
1188 VMSTATE_UINT32(corb_rp, IntelHDAState),
1189 VMSTATE_UINT32(corb_wp, IntelHDAState),
1190 VMSTATE_UINT32(corb_ctl, IntelHDAState),
1191 VMSTATE_UINT32(corb_sts, IntelHDAState),
1192 VMSTATE_UINT32(corb_size, IntelHDAState),
1193 VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1194 VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1195 VMSTATE_UINT32(rirb_wp, IntelHDAState),
1196 VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1197 VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1198 VMSTATE_UINT32(rirb_sts, IntelHDAState),
1199 VMSTATE_UINT32(rirb_size, IntelHDAState),
1200 VMSTATE_UINT32(dp_lbase, IntelHDAState),
1201 VMSTATE_UINT32(dp_ubase, IntelHDAState),
1202 VMSTATE_UINT32(icw, IntelHDAState),
1203 VMSTATE_UINT32(irr, IntelHDAState),
1204 VMSTATE_UINT32(ics, IntelHDAState),
1205 VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1206 vmstate_intel_hda_stream,
1209 /* additional state info */
1210 VMSTATE_UINT32(rirb_count, IntelHDAState),
1211 VMSTATE_INT64(wall_base_ns, IntelHDAState),
1213 VMSTATE_END_OF_LIST()
1217 static Property intel_hda_properties[] = {
1218 DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1219 DEFINE_PROP_ON_OFF_AUTO("msi", IntelHDAState, msi, ON_OFF_AUTO_AUTO),
1220 DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState, old_msi_addr, false),
1221 DEFINE_PROP_END_OF_LIST(),
1224 static void intel_hda_class_init(ObjectClass *klass, void *data)
1226 DeviceClass *dc = DEVICE_CLASS(klass);
1227 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1229 k->realize = intel_hda_realize;
1230 k->exit = intel_hda_exit;
1231 k->vendor_id = PCI_VENDOR_ID_INTEL;
1232 k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;
1233 dc->reset = intel_hda_reset;
1234 dc->vmsd = &vmstate_intel_hda;
1235 dc->props = intel_hda_properties;
1238 static void intel_hda_class_init_ich6(ObjectClass *klass, void *data)
1240 DeviceClass *dc = DEVICE_CLASS(klass);
1241 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1243 k->device_id = 0x2668;
1245 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1246 dc->desc = "Intel HD Audio Controller (ich6)";
1249 static void intel_hda_class_init_ich9(ObjectClass *klass, void *data)
1251 DeviceClass *dc = DEVICE_CLASS(klass);
1252 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1254 k->device_id = 0x293e;
1256 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1257 dc->desc = "Intel HD Audio Controller (ich9)";
1260 static const TypeInfo intel_hda_info = {
1261 .name = TYPE_INTEL_HDA_GENERIC,
1262 .parent = TYPE_PCI_DEVICE,
1263 .instance_size = sizeof(IntelHDAState),
1264 .class_init = intel_hda_class_init,
1266 .interfaces = (InterfaceInfo[]) {
1267 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
1272 static const TypeInfo intel_hda_info_ich6 = {
1273 .name = "intel-hda",
1274 .parent = TYPE_INTEL_HDA_GENERIC,
1275 .class_init = intel_hda_class_init_ich6,
1278 static const TypeInfo intel_hda_info_ich9 = {
1279 .name = "ich9-intel-hda",
1280 .parent = TYPE_INTEL_HDA_GENERIC,
1281 .class_init = intel_hda_class_init_ich9,
1284 static void hda_codec_device_class_init(ObjectClass *klass, void *data)
1286 DeviceClass *k = DEVICE_CLASS(klass);
1287 k->realize = hda_codec_dev_realize;
1288 k->unrealize = hda_codec_dev_unrealize;
1289 set_bit(DEVICE_CATEGORY_SOUND, k->categories);
1290 k->bus_type = TYPE_HDA_BUS;
1291 k->props = hda_props;
1294 static const TypeInfo hda_codec_device_type_info = {
1295 .name = TYPE_HDA_CODEC_DEVICE,
1296 .parent = TYPE_DEVICE,
1297 .instance_size = sizeof(HDACodecDevice),
1299 .class_size = sizeof(HDACodecDeviceClass),
1300 .class_init = hda_codec_device_class_init,
1304 * create intel hda controller with codec attached to it,
1305 * so '-soundhw hda' works.
1307 static int intel_hda_and_codec_init(PCIBus *bus)
1309 DeviceState *controller;
1313 controller = DEVICE(pci_create_simple(bus, -1, "intel-hda"));
1314 hdabus = QLIST_FIRST(&controller->child_bus);
1315 codec = qdev_create(hdabus, "hda-duplex");
1316 qdev_init_nofail(codec);
1320 static void intel_hda_register_types(void)
1322 type_register_static(&hda_codec_bus_info);
1323 type_register_static(&intel_hda_info);
1324 type_register_static(&intel_hda_info_ich6);
1325 type_register_static(&intel_hda_info_ich9);
1326 type_register_static(&hda_codec_device_type_info);
1327 pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init);
1330 type_init(intel_hda_register_types)