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/>.
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"
29 /* --------------------------------------------------------------------- */
32 static Property hda_props[] = {
33 DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
34 DEFINE_PROP_END_OF_LIST()
37 static const TypeInfo hda_codec_bus_info = {
40 .instance_size = sizeof(HDACodecBus),
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)
47 qbus_create_inplace(bus, bus_size, TYPE_HDA_BUS, dev, NULL);
48 bus->response = response;
52 static int hda_codec_dev_init(DeviceState *qdev)
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);
59 dev->cad = bus->next_cad;
64 bus->next_cad = dev->cad + 1;
65 return cdc->init(dev);
68 static int hda_codec_dev_exit(DeviceState *qdev)
70 HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
71 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
79 HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
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) {
94 void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
96 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
97 bus->response(dev, solicited, response);
100 bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
101 uint8_t *buf, uint32_t len)
103 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
104 return bus->xfer(dev, stnr, output, buf, len);
107 /* --------------------------------------------------------------------- */
108 /* intel hda emulation */
110 typedef struct IntelHDAStream IntelHDAStream;
111 typedef struct IntelHDAState IntelHDAState;
112 typedef struct IntelHDAReg IntelHDAReg;
120 struct IntelHDAStream {
133 uint32_t bsize, be, bp;
136 struct IntelHDAState {
173 IntelHDAStream st[8];
178 int64_t wall_base_ns;
181 const IntelHDAReg *last_reg;
185 uint32_t repeat_count;
193 #define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
195 #define INTEL_HDA(obj) \
196 OBJECT_CHECK(IntelHDAState, (obj), TYPE_INTEL_HDA_GENERIC)
199 const char *name; /* register name */
200 uint32_t size; /* size in bytes */
201 uint32_t reset; /* reset value */
202 uint32_t wmask; /* write mask */
203 uint32_t wclear; /* write 1 to clear bits */
204 uint32_t offset; /* location in IntelHDAState */
205 uint32_t shift; /* byte access entries for dwords */
207 void (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
208 void (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
211 static void intel_hda_reset(DeviceState *dev);
213 /* --------------------------------------------------------------------- */
215 static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase)
219 addr = ((uint64_t)ubase << 32) | lbase;
223 static void intel_hda_update_int_sts(IntelHDAState *d)
228 /* update controller status */
229 if (d->rirb_sts & ICH6_RBSTS_IRQ) {
232 if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
235 if (d->state_sts & d->wake_en) {
239 /* update stream status */
240 for (i = 0; i < 8; i++) {
241 /* buffer completion interrupt */
242 if (d->st[i].ctl & (1 << 26)) {
247 /* update global status */
248 if (sts & d->int_ctl) {
255 static void intel_hda_update_irq(IntelHDAState *d)
257 int msi = d->msi && msi_enabled(&d->pci);
260 intel_hda_update_int_sts(d);
261 if (d->int_sts & (1U << 31) && d->int_ctl & (1U << 31)) {
266 dprint(d, 2, "%s: level %d [%s]\n", __FUNCTION__,
267 level, msi ? "msi" : "intx");
270 msi_notify(&d->pci, 0);
273 pci_set_irq(&d->pci, level);
277 static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
279 uint32_t cad, nid, data;
280 HDACodecDevice *codec;
281 HDACodecDeviceClass *cdc;
283 cad = (verb >> 28) & 0x0f;
284 if (verb & (1 << 27)) {
285 /* indirect node addressing, not specified in HDA 1.0 */
286 dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __FUNCTION__);
289 nid = (verb >> 20) & 0x7f;
290 data = verb & 0xfffff;
292 codec = hda_codec_find(&d->codecs, cad);
294 dprint(d, 1, "%s: addressed non-existing codec\n", __FUNCTION__);
297 cdc = HDA_CODEC_DEVICE_GET_CLASS(codec);
298 cdc->command(codec, nid, data);
302 static void intel_hda_corb_run(IntelHDAState *d)
307 if (d->ics & ICH6_IRS_BUSY) {
308 dprint(d, 2, "%s: [icw] verb 0x%08x\n", __FUNCTION__, d->icw);
309 intel_hda_send_command(d, d->icw);
314 if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
315 dprint(d, 2, "%s: !run\n", __FUNCTION__);
318 if ((d->corb_rp & 0xff) == d->corb_wp) {
319 dprint(d, 2, "%s: corb ring empty\n", __FUNCTION__);
322 if (d->rirb_count == d->rirb_cnt) {
323 dprint(d, 2, "%s: rirb count reached\n", __FUNCTION__);
327 rp = (d->corb_rp + 1) & 0xff;
328 addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
329 verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
332 dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __FUNCTION__, rp, verb);
333 intel_hda_send_command(d, verb);
337 static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
339 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
340 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
344 if (d->ics & ICH6_IRS_BUSY) {
345 dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
346 __FUNCTION__, response, dev->cad);
348 d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
349 d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
353 if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
354 dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __FUNCTION__);
358 ex = (solicited ? 0 : (1 << 4)) | dev->cad;
359 wp = (d->rirb_wp + 1) & 0xff;
360 addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
361 stl_le_pci_dma(&d->pci, addr + 8*wp, response);
362 stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
365 dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
366 __FUNCTION__, wp, response, ex);
369 if (d->rirb_count == d->rirb_cnt) {
370 dprint(d, 2, "%s: rirb count reached (%d)\n", __FUNCTION__, d->rirb_count);
371 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
372 d->rirb_sts |= ICH6_RBSTS_IRQ;
373 intel_hda_update_irq(d);
375 } else if ((d->corb_rp & 0xff) == d->corb_wp) {
376 dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __FUNCTION__,
377 d->rirb_count, d->rirb_cnt);
378 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
379 d->rirb_sts |= ICH6_RBSTS_IRQ;
380 intel_hda_update_irq(d);
385 static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
386 uint8_t *buf, uint32_t len)
388 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
389 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
391 uint32_t s, copy, left;
395 st = output ? d->st + 4 : d->st;
396 for (s = 0; s < 4; s++) {
397 if (stnr == ((st[s].ctl >> 20) & 0x0f)) {
405 if (st->bpl == NULL) {
408 if (st->ctl & (1 << 26)) {
410 * Wait with the next DMA xfer until the guest
411 * has acked the buffer completion interrupt
419 if (copy > st->bsize - st->lpib)
420 copy = st->bsize - st->lpib;
421 if (copy > st->bpl[st->be].len - st->bp)
422 copy = st->bpl[st->be].len - st->bp;
424 dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
425 st->be, st->bp, st->bpl[st->be].len, copy);
427 pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output);
433 if (st->bpl[st->be].len == st->bp) {
434 /* bpl entry filled */
435 if (st->bpl[st->be].flags & 0x01) {
440 if (st->be == st->bentries) {
441 /* bpl wrap around */
447 if (d->dp_lbase & 0x01) {
449 addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
450 stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib);
452 dprint(d, 3, "dma: --\n");
455 st->ctl |= (1 << 26); /* buffer completion interrupt */
456 intel_hda_update_irq(d);
461 static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
467 addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
468 st->bentries = st->lvi +1;
470 st->bpl = g_malloc(sizeof(bpl) * st->bentries);
471 for (i = 0; i < st->bentries; i++, addr += 16) {
472 pci_dma_read(&d->pci, addr, buf, 16);
473 st->bpl[i].addr = le64_to_cpu(*(uint64_t *)buf);
474 st->bpl[i].len = le32_to_cpu(*(uint32_t *)(buf + 8));
475 st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
476 dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
477 i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
486 static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output)
489 HDACodecDevice *cdev;
491 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
492 DeviceState *qdev = kid->child;
493 HDACodecDeviceClass *cdc;
495 cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
496 cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev);
498 cdc->stream(cdev, stream, running, output);
503 /* --------------------------------------------------------------------- */
505 static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
507 if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
508 intel_hda_reset(DEVICE(d));
512 static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
514 intel_hda_update_irq(d);
517 static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
519 intel_hda_update_irq(d);
522 static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
524 intel_hda_update_irq(d);
527 static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
531 ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - d->wall_base_ns;
532 d->wall_clk = (uint32_t)(ns * 24 / 1000); /* 24 MHz */
535 static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
537 intel_hda_corb_run(d);
540 static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
542 intel_hda_corb_run(d);
545 static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
547 if (d->rirb_wp & ICH6_RIRBWP_RST) {
552 static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
554 intel_hda_update_irq(d);
556 if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
557 /* cleared ICH6_RBSTS_IRQ */
559 intel_hda_corb_run(d);
563 static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
565 if (d->ics & ICH6_IRS_BUSY) {
566 intel_hda_corb_run(d);
570 static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
572 bool output = reg->stream >= 4;
573 IntelHDAStream *st = d->st + reg->stream;
575 if (st->ctl & 0x01) {
577 dprint(d, 1, "st #%d: reset\n", reg->stream);
578 st->ctl = SD_STS_FIFO_READY << 24;
580 if ((st->ctl & 0x02) != (old & 0x02)) {
581 uint32_t stnr = (st->ctl >> 20) & 0x0f;
582 /* run bit flipped */
583 if (st->ctl & 0x02) {
585 dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
586 reg->stream, stnr, st->cbl);
587 intel_hda_parse_bdl(d, st);
588 intel_hda_notify_codecs(d, stnr, true, output);
591 dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
592 intel_hda_notify_codecs(d, stnr, false, output);
595 intel_hda_update_irq(d);
598 /* --------------------------------------------------------------------- */
600 #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
602 static const struct IntelHDAReg regtab[] = {
604 [ ICH6_REG_GCAP ] = {
609 [ ICH6_REG_VMIN ] = {
613 [ ICH6_REG_VMAJ ] = {
618 [ ICH6_REG_OUTPAY ] = {
623 [ ICH6_REG_INPAY ] = {
628 [ ICH6_REG_GCTL ] = {
632 .offset = offsetof(IntelHDAState, g_ctl),
633 .whandler = intel_hda_set_g_ctl,
635 [ ICH6_REG_WAKEEN ] = {
639 .offset = offsetof(IntelHDAState, wake_en),
640 .whandler = intel_hda_set_wake_en,
642 [ ICH6_REG_STATESTS ] = {
647 .offset = offsetof(IntelHDAState, state_sts),
648 .whandler = intel_hda_set_state_sts,
652 [ ICH6_REG_INTCTL ] = {
656 .offset = offsetof(IntelHDAState, int_ctl),
657 .whandler = intel_hda_set_int_ctl,
659 [ ICH6_REG_INTSTS ] = {
663 .wclear = 0xc00000ff,
664 .offset = offsetof(IntelHDAState, int_sts),
668 [ ICH6_REG_WALLCLK ] = {
671 .offset = offsetof(IntelHDAState, wall_clk),
672 .rhandler = intel_hda_get_wall_clk,
674 [ ICH6_REG_WALLCLK + 0x2000 ] = {
675 .name = "WALLCLK(alias)",
677 .offset = offsetof(IntelHDAState, wall_clk),
678 .rhandler = intel_hda_get_wall_clk,
682 [ ICH6_REG_CORBLBASE ] = {
686 .offset = offsetof(IntelHDAState, corb_lbase),
688 [ ICH6_REG_CORBUBASE ] = {
692 .offset = offsetof(IntelHDAState, corb_ubase),
694 [ ICH6_REG_CORBWP ] = {
698 .offset = offsetof(IntelHDAState, corb_wp),
699 .whandler = intel_hda_set_corb_wp,
701 [ ICH6_REG_CORBRP ] = {
705 .offset = offsetof(IntelHDAState, corb_rp),
707 [ ICH6_REG_CORBCTL ] = {
711 .offset = offsetof(IntelHDAState, corb_ctl),
712 .whandler = intel_hda_set_corb_ctl,
714 [ ICH6_REG_CORBSTS ] = {
719 .offset = offsetof(IntelHDAState, corb_sts),
721 [ ICH6_REG_CORBSIZE ] = {
725 .offset = offsetof(IntelHDAState, corb_size),
727 [ ICH6_REG_RIRBLBASE ] = {
731 .offset = offsetof(IntelHDAState, rirb_lbase),
733 [ ICH6_REG_RIRBUBASE ] = {
737 .offset = offsetof(IntelHDAState, rirb_ubase),
739 [ ICH6_REG_RIRBWP ] = {
743 .offset = offsetof(IntelHDAState, rirb_wp),
744 .whandler = intel_hda_set_rirb_wp,
746 [ ICH6_REG_RINTCNT ] = {
750 .offset = offsetof(IntelHDAState, rirb_cnt),
752 [ ICH6_REG_RIRBCTL ] = {
756 .offset = offsetof(IntelHDAState, rirb_ctl),
758 [ ICH6_REG_RIRBSTS ] = {
763 .offset = offsetof(IntelHDAState, rirb_sts),
764 .whandler = intel_hda_set_rirb_sts,
766 [ ICH6_REG_RIRBSIZE ] = {
770 .offset = offsetof(IntelHDAState, rirb_size),
773 [ ICH6_REG_DPLBASE ] = {
777 .offset = offsetof(IntelHDAState, dp_lbase),
779 [ ICH6_REG_DPUBASE ] = {
783 .offset = offsetof(IntelHDAState, dp_ubase),
790 .offset = offsetof(IntelHDAState, icw),
795 .offset = offsetof(IntelHDAState, irr),
802 .offset = offsetof(IntelHDAState, ics),
803 .whandler = intel_hda_set_ics,
806 #define HDA_STREAM(_t, _i) \
807 [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \
809 .name = _t stringify(_i) " CTL", \
811 .wmask = 0x1cff001f, \
812 .offset = offsetof(IntelHDAState, st[_i].ctl), \
813 .whandler = intel_hda_set_st_ctl, \
815 [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \
817 .name = _t stringify(_i) " CTL(stnr)", \
820 .wmask = 0x00ff0000, \
821 .offset = offsetof(IntelHDAState, st[_i].ctl), \
822 .whandler = intel_hda_set_st_ctl, \
824 [ ST_REG(_i, ICH6_REG_SD_STS)] = { \
826 .name = _t stringify(_i) " CTL(sts)", \
829 .wmask = 0x1c000000, \
830 .wclear = 0x1c000000, \
831 .offset = offsetof(IntelHDAState, st[_i].ctl), \
832 .whandler = intel_hda_set_st_ctl, \
833 .reset = SD_STS_FIFO_READY << 24 \
835 [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
837 .name = _t stringify(_i) " LPIB", \
839 .offset = offsetof(IntelHDAState, st[_i].lpib), \
841 [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = { \
843 .name = _t stringify(_i) " LPIB(alias)", \
845 .offset = offsetof(IntelHDAState, st[_i].lpib), \
847 [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \
849 .name = _t stringify(_i) " CBL", \
851 .wmask = 0xffffffff, \
852 .offset = offsetof(IntelHDAState, st[_i].cbl), \
854 [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \
856 .name = _t stringify(_i) " LVI", \
859 .offset = offsetof(IntelHDAState, st[_i].lvi), \
861 [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \
863 .name = _t stringify(_i) " FIFOS", \
865 .reset = HDA_BUFFER_SIZE, \
867 [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \
869 .name = _t stringify(_i) " FMT", \
872 .offset = offsetof(IntelHDAState, st[_i].fmt), \
874 [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \
876 .name = _t stringify(_i) " BDLPL", \
878 .wmask = 0xffffff80, \
879 .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \
881 [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \
883 .name = _t stringify(_i) " BDLPU", \
885 .wmask = 0xffffffff, \
886 .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \
901 static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr)
903 const IntelHDAReg *reg;
905 if (addr >= ARRAY_SIZE(regtab)) {
909 if (reg->name == NULL) {
915 dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
919 static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
921 uint8_t *addr = (void*)d;
924 return (uint32_t*)addr;
927 static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
938 time_t now = time(NULL);
939 if (d->last_write && d->last_reg == reg && d->last_val == val) {
941 if (d->last_sec != now) {
942 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
947 if (d->repeat_count) {
948 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
950 dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
958 assert(reg->offset != 0);
960 addr = intel_hda_reg_addr(d, reg);
965 wmask <<= reg->shift;
969 *addr |= wmask & val;
970 *addr &= ~(val & reg->wclear);
973 reg->whandler(d, reg, old);
977 static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
987 reg->rhandler(d, reg);
990 if (reg->offset == 0) {
991 /* constant read-only register */
994 addr = intel_hda_reg_addr(d, reg);
1002 time_t now = time(NULL);
1003 if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
1005 if (d->last_sec != now) {
1006 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1008 d->repeat_count = 0;
1011 if (d->repeat_count) {
1012 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1014 dprint(d, 2, "read %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1019 d->repeat_count = 0;
1025 static void intel_hda_regs_reset(IntelHDAState *d)
1030 for (i = 0; i < ARRAY_SIZE(regtab); i++) {
1031 if (regtab[i].name == NULL) {
1034 if (regtab[i].offset == 0) {
1037 addr = intel_hda_reg_addr(d, regtab + i);
1038 *addr = regtab[i].reset;
1042 /* --------------------------------------------------------------------- */
1044 static void intel_hda_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
1046 IntelHDAState *d = opaque;
1047 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1049 intel_hda_reg_write(d, reg, val, 0xff);
1052 static void intel_hda_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
1054 IntelHDAState *d = opaque;
1055 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1057 intel_hda_reg_write(d, reg, val, 0xffff);
1060 static void intel_hda_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
1062 IntelHDAState *d = opaque;
1063 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1065 intel_hda_reg_write(d, reg, val, 0xffffffff);
1068 static uint32_t intel_hda_mmio_readb(void *opaque, hwaddr addr)
1070 IntelHDAState *d = opaque;
1071 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1073 return intel_hda_reg_read(d, reg, 0xff);
1076 static uint32_t intel_hda_mmio_readw(void *opaque, hwaddr addr)
1078 IntelHDAState *d = opaque;
1079 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1081 return intel_hda_reg_read(d, reg, 0xffff);
1084 static uint32_t intel_hda_mmio_readl(void *opaque, hwaddr addr)
1086 IntelHDAState *d = opaque;
1087 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1089 return intel_hda_reg_read(d, reg, 0xffffffff);
1092 static const MemoryRegionOps intel_hda_mmio_ops = {
1095 intel_hda_mmio_readb,
1096 intel_hda_mmio_readw,
1097 intel_hda_mmio_readl,
1100 intel_hda_mmio_writeb,
1101 intel_hda_mmio_writew,
1102 intel_hda_mmio_writel,
1105 .endianness = DEVICE_NATIVE_ENDIAN,
1108 /* --------------------------------------------------------------------- */
1110 static void intel_hda_reset(DeviceState *dev)
1113 IntelHDAState *d = INTEL_HDA(dev);
1114 HDACodecDevice *cdev;
1116 intel_hda_regs_reset(d);
1117 d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1120 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
1121 DeviceState *qdev = kid->child;
1122 cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
1123 device_reset(DEVICE(cdev));
1124 d->state_sts |= (1 << cdev->cad);
1126 intel_hda_update_irq(d);
1129 static void intel_hda_realize(PCIDevice *pci, Error **errp)
1131 IntelHDAState *d = INTEL_HDA(pci);
1132 uint8_t *conf = d->pci.config;
1134 d->name = object_get_typename(OBJECT(d));
1136 pci_config_set_interrupt_pin(conf, 1);
1138 /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1141 memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d,
1142 "intel-hda", 0x4000);
1143 pci_register_bar(&d->pci, 0, 0, &d->mmio);
1145 msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60, 1, true, false);
1148 hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
1149 intel_hda_response, intel_hda_xfer);
1152 static void intel_hda_exit(PCIDevice *pci)
1154 IntelHDAState *d = INTEL_HDA(pci);
1156 msi_uninit(&d->pci);
1159 static int intel_hda_post_load(void *opaque, int version)
1161 IntelHDAState* d = opaque;
1164 dprint(d, 1, "%s\n", __FUNCTION__);
1165 for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1166 if (d->st[i].ctl & 0x02) {
1167 intel_hda_parse_bdl(d, &d->st[i]);
1170 intel_hda_update_irq(d);
1174 static const VMStateDescription vmstate_intel_hda_stream = {
1175 .name = "intel-hda-stream",
1177 .fields = (VMStateField[]) {
1178 VMSTATE_UINT32(ctl, IntelHDAStream),
1179 VMSTATE_UINT32(lpib, IntelHDAStream),
1180 VMSTATE_UINT32(cbl, IntelHDAStream),
1181 VMSTATE_UINT32(lvi, IntelHDAStream),
1182 VMSTATE_UINT32(fmt, IntelHDAStream),
1183 VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1184 VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1185 VMSTATE_END_OF_LIST()
1189 static const VMStateDescription vmstate_intel_hda = {
1190 .name = "intel-hda",
1192 .post_load = intel_hda_post_load,
1193 .fields = (VMStateField[]) {
1194 VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1197 VMSTATE_UINT32(g_ctl, IntelHDAState),
1198 VMSTATE_UINT32(wake_en, IntelHDAState),
1199 VMSTATE_UINT32(state_sts, IntelHDAState),
1200 VMSTATE_UINT32(int_ctl, IntelHDAState),
1201 VMSTATE_UINT32(int_sts, IntelHDAState),
1202 VMSTATE_UINT32(wall_clk, IntelHDAState),
1203 VMSTATE_UINT32(corb_lbase, IntelHDAState),
1204 VMSTATE_UINT32(corb_ubase, IntelHDAState),
1205 VMSTATE_UINT32(corb_rp, IntelHDAState),
1206 VMSTATE_UINT32(corb_wp, IntelHDAState),
1207 VMSTATE_UINT32(corb_ctl, IntelHDAState),
1208 VMSTATE_UINT32(corb_sts, IntelHDAState),
1209 VMSTATE_UINT32(corb_size, IntelHDAState),
1210 VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1211 VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1212 VMSTATE_UINT32(rirb_wp, IntelHDAState),
1213 VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1214 VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1215 VMSTATE_UINT32(rirb_sts, IntelHDAState),
1216 VMSTATE_UINT32(rirb_size, IntelHDAState),
1217 VMSTATE_UINT32(dp_lbase, IntelHDAState),
1218 VMSTATE_UINT32(dp_ubase, IntelHDAState),
1219 VMSTATE_UINT32(icw, IntelHDAState),
1220 VMSTATE_UINT32(irr, IntelHDAState),
1221 VMSTATE_UINT32(ics, IntelHDAState),
1222 VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1223 vmstate_intel_hda_stream,
1226 /* additional state info */
1227 VMSTATE_UINT32(rirb_count, IntelHDAState),
1228 VMSTATE_INT64(wall_base_ns, IntelHDAState),
1230 VMSTATE_END_OF_LIST()
1234 static Property intel_hda_properties[] = {
1235 DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1236 DEFINE_PROP_UINT32("msi", IntelHDAState, msi, 1),
1237 DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState, old_msi_addr, false),
1238 DEFINE_PROP_END_OF_LIST(),
1241 static void intel_hda_class_init(ObjectClass *klass, void *data)
1243 DeviceClass *dc = DEVICE_CLASS(klass);
1244 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1246 k->realize = intel_hda_realize;
1247 k->exit = intel_hda_exit;
1248 k->vendor_id = PCI_VENDOR_ID_INTEL;
1249 k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;
1250 dc->reset = intel_hda_reset;
1251 dc->vmsd = &vmstate_intel_hda;
1252 dc->props = intel_hda_properties;
1255 static void intel_hda_class_init_ich6(ObjectClass *klass, void *data)
1257 DeviceClass *dc = DEVICE_CLASS(klass);
1258 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1260 k->device_id = 0x2668;
1262 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1263 dc->desc = "Intel HD Audio Controller (ich6)";
1266 static void intel_hda_class_init_ich9(ObjectClass *klass, void *data)
1268 DeviceClass *dc = DEVICE_CLASS(klass);
1269 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1271 k->device_id = 0x293e;
1273 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1274 dc->desc = "Intel HD Audio Controller (ich9)";
1277 static const TypeInfo intel_hda_info = {
1278 .name = TYPE_INTEL_HDA_GENERIC,
1279 .parent = TYPE_PCI_DEVICE,
1280 .instance_size = sizeof(IntelHDAState),
1281 .class_init = intel_hda_class_init,
1285 static const TypeInfo intel_hda_info_ich6 = {
1286 .name = "intel-hda",
1287 .parent = TYPE_INTEL_HDA_GENERIC,
1288 .class_init = intel_hda_class_init_ich6,
1291 static const TypeInfo intel_hda_info_ich9 = {
1292 .name = "ich9-intel-hda",
1293 .parent = TYPE_INTEL_HDA_GENERIC,
1294 .class_init = intel_hda_class_init_ich9,
1297 static void hda_codec_device_class_init(ObjectClass *klass, void *data)
1299 DeviceClass *k = DEVICE_CLASS(klass);
1300 k->init = hda_codec_dev_init;
1301 k->exit = hda_codec_dev_exit;
1302 set_bit(DEVICE_CATEGORY_SOUND, k->categories);
1303 k->bus_type = TYPE_HDA_BUS;
1304 k->props = hda_props;
1307 static const TypeInfo hda_codec_device_type_info = {
1308 .name = TYPE_HDA_CODEC_DEVICE,
1309 .parent = TYPE_DEVICE,
1310 .instance_size = sizeof(HDACodecDevice),
1312 .class_size = sizeof(HDACodecDeviceClass),
1313 .class_init = hda_codec_device_class_init,
1317 * create intel hda controller with codec attached to it,
1318 * so '-soundhw hda' works.
1320 static int intel_hda_and_codec_init(PCIBus *bus)
1322 DeviceState *controller;
1326 controller = DEVICE(pci_create_simple(bus, -1, "intel-hda"));
1327 hdabus = QLIST_FIRST(&controller->child_bus);
1328 codec = qdev_create(hdabus, "hda-duplex");
1329 qdev_init_nofail(codec);
1333 static void intel_hda_register_types(void)
1335 type_register_static(&hda_codec_bus_info);
1336 type_register_static(&intel_hda_info);
1337 type_register_static(&intel_hda_info_ich6);
1338 type_register_static(&intel_hda_info_ich9);
1339 type_register_static(&hda_codec_device_type_info);
1340 pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init);
1343 type_init(intel_hda_register_types)