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/>.
23 #include "qemu-timer.h"
25 #include "intel-hda.h"
26 #include "intel-hda-defs.h"
28 /* --------------------------------------------------------------------- */
31 static struct BusInfo hda_codec_bus_info = {
33 .size = sizeof(HDACodecBus),
34 .props = (Property[]) {
35 DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
36 DEFINE_PROP_END_OF_LIST()
40 void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus,
41 hda_codec_response_func response,
42 hda_codec_xfer_func xfer)
44 qbus_create_inplace(&bus->qbus, &hda_codec_bus_info, dev, NULL);
45 bus->response = response;
49 static int hda_codec_dev_init(DeviceState *qdev, DeviceInfo *base)
51 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, qdev->parent_bus);
52 HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
53 HDACodecDeviceInfo *info = DO_UPCAST(HDACodecDeviceInfo, qdev, base);
57 dev->cad = bus->next_cad;
62 bus->next_cad = dev->cad + 1;
63 return info->init(dev);
66 static int hda_codec_dev_exit(DeviceState *qdev)
68 HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
70 if (dev->info->exit) {
76 void hda_codec_register(HDACodecDeviceInfo *info)
78 info->qdev.init = hda_codec_dev_init;
79 info->qdev.exit = hda_codec_dev_exit;
80 info->qdev.bus_info = &hda_codec_bus_info;
81 qdev_register(&info->qdev);
84 HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
89 QLIST_FOREACH(qdev, &bus->qbus.children, sibling) {
90 cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
91 if (cdev->cad == cad) {
98 void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
100 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
101 bus->response(dev, solicited, response);
104 bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
105 uint8_t *buf, uint32_t len)
107 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
108 return bus->xfer(dev, stnr, output, buf, len);
111 /* --------------------------------------------------------------------- */
112 /* intel hda emulation */
114 typedef struct IntelHDAStream IntelHDAStream;
115 typedef struct IntelHDAState IntelHDAState;
116 typedef struct IntelHDAReg IntelHDAReg;
124 struct IntelHDAStream {
137 uint32_t bsize, be, bp;
140 struct IntelHDAState {
177 IntelHDAStream st[8];
182 int64_t wall_base_ns;
185 const IntelHDAReg *last_reg;
189 uint32_t repeat_count;
197 const char *name; /* register name */
198 uint32_t size; /* size in bytes */
199 uint32_t reset; /* reset value */
200 uint32_t wmask; /* write mask */
201 uint32_t wclear; /* write 1 to clear bits */
202 uint32_t offset; /* location in IntelHDAState */
203 uint32_t shift; /* byte access entries for dwords */
205 void (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
206 void (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
209 static void intel_hda_reset(DeviceState *dev);
211 /* --------------------------------------------------------------------- */
213 static target_phys_addr_t intel_hda_addr(uint32_t lbase, uint32_t ubase)
215 target_phys_addr_t addr;
217 #if TARGET_PHYS_ADDR_BITS == 32
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 int msi = d->msi && msi_enabled(&d->pci);
264 intel_hda_update_int_sts(d);
265 if (d->int_sts & (1 << 31) && d->int_ctl & (1 << 31)) {
270 dprint(d, 2, "%s: level %d [%s]\n", __FUNCTION__,
271 level, msi ? "msi" : "intx");
274 msi_notify(&d->pci, 0);
277 qemu_set_irq(d->pci.irq[0], level);
281 static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
283 uint32_t cad, nid, data;
284 HDACodecDevice *codec;
286 cad = (verb >> 28) & 0x0f;
287 if (verb & (1 << 27)) {
288 /* indirect node addressing, not specified in HDA 1.0 */
289 dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __FUNCTION__);
292 nid = (verb >> 20) & 0x7f;
293 data = verb & 0xfffff;
295 codec = hda_codec_find(&d->codecs, cad);
297 dprint(d, 1, "%s: addressed non-existing codec\n", __FUNCTION__);
300 codec->info->command(codec, nid, data);
304 static void intel_hda_corb_run(IntelHDAState *d)
306 target_phys_addr_t addr;
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_phys(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 = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
342 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
343 target_phys_addr_t addr;
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_phys(addr + 8*wp, response);
364 stl_le_phys(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 = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
391 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
392 IntelHDAStream *st = NULL;
393 target_phys_addr_t addr;
394 uint32_t s, copy, left;
397 for (s = 0; s < ARRAY_SIZE(d->st); s++) {
398 if (stnr == ((d->st[s].ctl >> 20) & 0x0f)) {
406 if (st->bpl == NULL) {
409 if (st->ctl & (1 << 26)) {
411 * Wait with the next DMA xfer until the guest
412 * has acked the buffer completion interrupt
420 if (copy > st->bsize - st->lpib)
421 copy = st->bsize - st->lpib;
422 if (copy > st->bpl[st->be].len - st->bp)
423 copy = st->bpl[st->be].len - st->bp;
425 dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
426 st->be, st->bp, st->bpl[st->be].len, copy);
428 cpu_physical_memory_rw(st->bpl[st->be].addr + st->bp,
435 if (st->bpl[st->be].len == st->bp) {
436 /* bpl entry filled */
437 if (st->bpl[st->be].flags & 0x01) {
442 if (st->be == st->bentries) {
443 /* bpl wrap around */
449 if (d->dp_lbase & 0x01) {
450 addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
451 stl_le_phys(addr + 8*s, st->lpib);
453 dprint(d, 3, "dma: --\n");
456 st->ctl |= (1 << 26); /* buffer completion interrupt */
457 intel_hda_update_irq(d);
462 static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
464 target_phys_addr_t addr;
468 addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
469 st->bentries = st->lvi +1;
471 st->bpl = g_malloc(sizeof(bpl) * st->bentries);
472 for (i = 0; i < st->bentries; i++, addr += 16) {
473 cpu_physical_memory_read(addr, buf, 16);
474 st->bpl[i].addr = le64_to_cpu(*(uint64_t *)buf);
475 st->bpl[i].len = le32_to_cpu(*(uint32_t *)(buf + 8));
476 st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
477 dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
478 i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
487 static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running)
490 HDACodecDevice *cdev;
492 QLIST_FOREACH(qdev, &d->codecs.qbus.children, sibling) {
493 cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
494 if (cdev->info->stream) {
495 cdev->info->stream(cdev, stream, running);
500 /* --------------------------------------------------------------------- */
502 static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
504 if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
505 intel_hda_reset(&d->pci.qdev);
509 static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
511 intel_hda_update_irq(d);
514 static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
516 intel_hda_update_irq(d);
519 static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
521 intel_hda_update_irq(d);
524 static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
528 ns = qemu_get_clock_ns(vm_clock) - d->wall_base_ns;
529 d->wall_clk = (uint32_t)(ns * 24 / 1000); /* 24 MHz */
532 static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
534 intel_hda_corb_run(d);
537 static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
539 intel_hda_corb_run(d);
542 static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
544 if (d->rirb_wp & ICH6_RIRBWP_RST) {
549 static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
551 intel_hda_update_irq(d);
553 if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
554 /* cleared ICH6_RBSTS_IRQ */
556 intel_hda_corb_run(d);
560 static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
562 if (d->ics & ICH6_IRS_BUSY) {
563 intel_hda_corb_run(d);
567 static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
569 IntelHDAStream *st = d->st + reg->stream;
571 if (st->ctl & 0x01) {
573 dprint(d, 1, "st #%d: reset\n", reg->stream);
576 if ((st->ctl & 0x02) != (old & 0x02)) {
577 uint32_t stnr = (st->ctl >> 20) & 0x0f;
578 /* run bit flipped */
579 if (st->ctl & 0x02) {
581 dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
582 reg->stream, stnr, st->cbl);
583 intel_hda_parse_bdl(d, st);
584 intel_hda_notify_codecs(d, stnr, true);
587 dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
588 intel_hda_notify_codecs(d, stnr, false);
591 intel_hda_update_irq(d);
594 /* --------------------------------------------------------------------- */
596 #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
598 static const struct IntelHDAReg regtab[] = {
600 [ ICH6_REG_GCAP ] = {
605 [ ICH6_REG_VMIN ] = {
609 [ ICH6_REG_VMAJ ] = {
614 [ ICH6_REG_OUTPAY ] = {
619 [ ICH6_REG_INPAY ] = {
624 [ ICH6_REG_GCTL ] = {
628 .offset = offsetof(IntelHDAState, g_ctl),
629 .whandler = intel_hda_set_g_ctl,
631 [ ICH6_REG_WAKEEN ] = {
635 .offset = offsetof(IntelHDAState, wake_en),
636 .whandler = intel_hda_set_wake_en,
638 [ ICH6_REG_STATESTS ] = {
643 .offset = offsetof(IntelHDAState, state_sts),
644 .whandler = intel_hda_set_state_sts,
648 [ ICH6_REG_INTCTL ] = {
652 .offset = offsetof(IntelHDAState, int_ctl),
653 .whandler = intel_hda_set_int_ctl,
655 [ ICH6_REG_INTSTS ] = {
659 .wclear = 0xc00000ff,
660 .offset = offsetof(IntelHDAState, int_sts),
664 [ ICH6_REG_WALLCLK ] = {
667 .offset = offsetof(IntelHDAState, wall_clk),
668 .rhandler = intel_hda_get_wall_clk,
670 [ ICH6_REG_WALLCLK + 0x2000 ] = {
671 .name = "WALLCLK(alias)",
673 .offset = offsetof(IntelHDAState, wall_clk),
674 .rhandler = intel_hda_get_wall_clk,
678 [ ICH6_REG_CORBLBASE ] = {
682 .offset = offsetof(IntelHDAState, corb_lbase),
684 [ ICH6_REG_CORBUBASE ] = {
688 .offset = offsetof(IntelHDAState, corb_ubase),
690 [ ICH6_REG_CORBWP ] = {
694 .offset = offsetof(IntelHDAState, corb_wp),
695 .whandler = intel_hda_set_corb_wp,
697 [ ICH6_REG_CORBRP ] = {
701 .offset = offsetof(IntelHDAState, corb_rp),
703 [ ICH6_REG_CORBCTL ] = {
707 .offset = offsetof(IntelHDAState, corb_ctl),
708 .whandler = intel_hda_set_corb_ctl,
710 [ ICH6_REG_CORBSTS ] = {
715 .offset = offsetof(IntelHDAState, corb_sts),
717 [ ICH6_REG_CORBSIZE ] = {
721 .offset = offsetof(IntelHDAState, corb_size),
723 [ ICH6_REG_RIRBLBASE ] = {
727 .offset = offsetof(IntelHDAState, rirb_lbase),
729 [ ICH6_REG_RIRBUBASE ] = {
733 .offset = offsetof(IntelHDAState, rirb_ubase),
735 [ ICH6_REG_RIRBWP ] = {
739 .offset = offsetof(IntelHDAState, rirb_wp),
740 .whandler = intel_hda_set_rirb_wp,
742 [ ICH6_REG_RINTCNT ] = {
746 .offset = offsetof(IntelHDAState, rirb_cnt),
748 [ ICH6_REG_RIRBCTL ] = {
752 .offset = offsetof(IntelHDAState, rirb_ctl),
754 [ ICH6_REG_RIRBSTS ] = {
759 .offset = offsetof(IntelHDAState, rirb_sts),
760 .whandler = intel_hda_set_rirb_sts,
762 [ ICH6_REG_RIRBSIZE ] = {
766 .offset = offsetof(IntelHDAState, rirb_size),
769 [ ICH6_REG_DPLBASE ] = {
773 .offset = offsetof(IntelHDAState, dp_lbase),
775 [ ICH6_REG_DPUBASE ] = {
779 .offset = offsetof(IntelHDAState, dp_ubase),
786 .offset = offsetof(IntelHDAState, icw),
791 .offset = offsetof(IntelHDAState, irr),
798 .offset = offsetof(IntelHDAState, ics),
799 .whandler = intel_hda_set_ics,
802 #define HDA_STREAM(_t, _i) \
803 [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \
805 .name = _t stringify(_i) " CTL", \
807 .wmask = 0x1cff001f, \
808 .offset = offsetof(IntelHDAState, st[_i].ctl), \
809 .whandler = intel_hda_set_st_ctl, \
811 [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \
813 .name = _t stringify(_i) " CTL(stnr)", \
816 .wmask = 0x00ff0000, \
817 .offset = offsetof(IntelHDAState, st[_i].ctl), \
818 .whandler = intel_hda_set_st_ctl, \
820 [ ST_REG(_i, ICH6_REG_SD_STS)] = { \
822 .name = _t stringify(_i) " CTL(sts)", \
825 .wmask = 0x1c000000, \
826 .wclear = 0x1c000000, \
827 .offset = offsetof(IntelHDAState, st[_i].ctl), \
828 .whandler = intel_hda_set_st_ctl, \
830 [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
832 .name = _t stringify(_i) " LPIB", \
834 .offset = offsetof(IntelHDAState, st[_i].lpib), \
836 [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = { \
838 .name = _t stringify(_i) " LPIB(alias)", \
840 .offset = offsetof(IntelHDAState, st[_i].lpib), \
842 [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \
844 .name = _t stringify(_i) " CBL", \
846 .wmask = 0xffffffff, \
847 .offset = offsetof(IntelHDAState, st[_i].cbl), \
849 [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \
851 .name = _t stringify(_i) " LVI", \
854 .offset = offsetof(IntelHDAState, st[_i].lvi), \
856 [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \
858 .name = _t stringify(_i) " FIFOS", \
860 .reset = HDA_BUFFER_SIZE, \
862 [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \
864 .name = _t stringify(_i) " FMT", \
867 .offset = offsetof(IntelHDAState, st[_i].fmt), \
869 [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \
871 .name = _t stringify(_i) " BDLPL", \
873 .wmask = 0xffffff80, \
874 .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \
876 [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \
878 .name = _t stringify(_i) " BDLPU", \
880 .wmask = 0xffffffff, \
881 .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \
896 static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, target_phys_addr_t addr)
898 const IntelHDAReg *reg;
900 if (addr >= sizeof(regtab)/sizeof(regtab[0])) {
904 if (reg->name == NULL) {
910 dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
914 static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
916 uint8_t *addr = (void*)d;
919 return (uint32_t*)addr;
922 static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
933 time_t now = time(NULL);
934 if (d->last_write && d->last_reg == reg && d->last_val == val) {
936 if (d->last_sec != now) {
937 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
942 if (d->repeat_count) {
943 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
945 dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
953 assert(reg->offset != 0);
955 addr = intel_hda_reg_addr(d, reg);
960 wmask <<= reg->shift;
964 *addr |= wmask & val;
965 *addr &= ~(val & reg->wclear);
968 reg->whandler(d, reg, old);
972 static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
982 reg->rhandler(d, reg);
985 if (reg->offset == 0) {
986 /* constant read-only register */
989 addr = intel_hda_reg_addr(d, reg);
997 time_t now = time(NULL);
998 if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
1000 if (d->last_sec != now) {
1001 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1003 d->repeat_count = 0;
1006 if (d->repeat_count) {
1007 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1009 dprint(d, 2, "read %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1014 d->repeat_count = 0;
1020 static void intel_hda_regs_reset(IntelHDAState *d)
1025 for (i = 0; i < sizeof(regtab)/sizeof(regtab[0]); i++) {
1026 if (regtab[i].name == NULL) {
1029 if (regtab[i].offset == 0) {
1032 addr = intel_hda_reg_addr(d, regtab + i);
1033 *addr = regtab[i].reset;
1037 /* --------------------------------------------------------------------- */
1039 static void intel_hda_mmio_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
1041 IntelHDAState *d = opaque;
1042 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1044 intel_hda_reg_write(d, reg, val, 0xff);
1047 static void intel_hda_mmio_writew(void *opaque, target_phys_addr_t 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, 0xffff);
1055 static void intel_hda_mmio_writel(void *opaque, target_phys_addr_t 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, 0xffffffff);
1063 static uint32_t intel_hda_mmio_readb(void *opaque, target_phys_addr_t addr)
1065 IntelHDAState *d = opaque;
1066 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1068 return intel_hda_reg_read(d, reg, 0xff);
1071 static uint32_t intel_hda_mmio_readw(void *opaque, target_phys_addr_t addr)
1073 IntelHDAState *d = opaque;
1074 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1076 return intel_hda_reg_read(d, reg, 0xffff);
1079 static uint32_t intel_hda_mmio_readl(void *opaque, target_phys_addr_t addr)
1081 IntelHDAState *d = opaque;
1082 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1084 return intel_hda_reg_read(d, reg, 0xffffffff);
1087 static const MemoryRegionOps intel_hda_mmio_ops = {
1090 intel_hda_mmio_readb,
1091 intel_hda_mmio_readw,
1092 intel_hda_mmio_readl,
1095 intel_hda_mmio_writeb,
1096 intel_hda_mmio_writew,
1097 intel_hda_mmio_writel,
1100 .endianness = DEVICE_NATIVE_ENDIAN,
1103 /* --------------------------------------------------------------------- */
1105 static void intel_hda_reset(DeviceState *dev)
1107 IntelHDAState *d = DO_UPCAST(IntelHDAState, pci.qdev, dev);
1109 HDACodecDevice *cdev;
1111 intel_hda_regs_reset(d);
1112 d->wall_base_ns = qemu_get_clock_ns(vm_clock);
1115 QLIST_FOREACH(qdev, &d->codecs.qbus.children, sibling) {
1116 cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
1117 if (qdev->info->reset) {
1118 qdev->info->reset(qdev);
1120 d->state_sts |= (1 << cdev->cad);
1122 intel_hda_update_irq(d);
1125 static int intel_hda_init(PCIDevice *pci)
1127 IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1128 uint8_t *conf = d->pci.config;
1130 d->name = d->pci.qdev.info->name;
1132 pci_config_set_interrupt_pin(conf, 1);
1134 /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1137 memory_region_init_io(&d->mmio, &intel_hda_mmio_ops, d,
1138 "intel-hda", 0x4000);
1139 pci_register_bar(&d->pci, 0, 0, &d->mmio);
1141 msi_init(&d->pci, 0x50, 1, true, false);
1144 hda_codec_bus_init(&d->pci.qdev, &d->codecs,
1145 intel_hda_response, intel_hda_xfer);
1150 static int intel_hda_exit(PCIDevice *pci)
1152 IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1154 msi_uninit(&d->pci);
1155 memory_region_destroy(&d->mmio);
1159 static void intel_hda_write_config(PCIDevice *pci, uint32_t addr,
1160 uint32_t val, int len)
1162 IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1164 pci_default_write_config(pci, addr, val, len);
1166 msi_write_config(pci, addr, val, len);
1170 static int intel_hda_post_load(void *opaque, int version)
1172 IntelHDAState* d = opaque;
1175 dprint(d, 1, "%s\n", __FUNCTION__);
1176 for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1177 if (d->st[i].ctl & 0x02) {
1178 intel_hda_parse_bdl(d, &d->st[i]);
1181 intel_hda_update_irq(d);
1185 static const VMStateDescription vmstate_intel_hda_stream = {
1186 .name = "intel-hda-stream",
1188 .fields = (VMStateField []) {
1189 VMSTATE_UINT32(ctl, IntelHDAStream),
1190 VMSTATE_UINT32(lpib, IntelHDAStream),
1191 VMSTATE_UINT32(cbl, IntelHDAStream),
1192 VMSTATE_UINT32(lvi, IntelHDAStream),
1193 VMSTATE_UINT32(fmt, IntelHDAStream),
1194 VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1195 VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1196 VMSTATE_END_OF_LIST()
1200 static const VMStateDescription vmstate_intel_hda = {
1201 .name = "intel-hda",
1203 .post_load = intel_hda_post_load,
1204 .fields = (VMStateField []) {
1205 VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1208 VMSTATE_UINT32(g_ctl, IntelHDAState),
1209 VMSTATE_UINT32(wake_en, IntelHDAState),
1210 VMSTATE_UINT32(state_sts, IntelHDAState),
1211 VMSTATE_UINT32(int_ctl, IntelHDAState),
1212 VMSTATE_UINT32(int_sts, IntelHDAState),
1213 VMSTATE_UINT32(wall_clk, IntelHDAState),
1214 VMSTATE_UINT32(corb_lbase, IntelHDAState),
1215 VMSTATE_UINT32(corb_ubase, IntelHDAState),
1216 VMSTATE_UINT32(corb_rp, IntelHDAState),
1217 VMSTATE_UINT32(corb_wp, IntelHDAState),
1218 VMSTATE_UINT32(corb_ctl, IntelHDAState),
1219 VMSTATE_UINT32(corb_sts, IntelHDAState),
1220 VMSTATE_UINT32(corb_size, IntelHDAState),
1221 VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1222 VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1223 VMSTATE_UINT32(rirb_wp, IntelHDAState),
1224 VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1225 VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1226 VMSTATE_UINT32(rirb_sts, IntelHDAState),
1227 VMSTATE_UINT32(rirb_size, IntelHDAState),
1228 VMSTATE_UINT32(dp_lbase, IntelHDAState),
1229 VMSTATE_UINT32(dp_ubase, IntelHDAState),
1230 VMSTATE_UINT32(icw, IntelHDAState),
1231 VMSTATE_UINT32(irr, IntelHDAState),
1232 VMSTATE_UINT32(ics, IntelHDAState),
1233 VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1234 vmstate_intel_hda_stream,
1237 /* additional state info */
1238 VMSTATE_UINT32(rirb_count, IntelHDAState),
1239 VMSTATE_INT64(wall_base_ns, IntelHDAState),
1241 VMSTATE_END_OF_LIST()
1245 static PCIDeviceInfo intel_hda_info = {
1246 .qdev.name = "intel-hda",
1247 .qdev.desc = "Intel HD Audio Controller",
1248 .qdev.size = sizeof(IntelHDAState),
1249 .qdev.vmsd = &vmstate_intel_hda,
1250 .qdev.reset = intel_hda_reset,
1251 .init = intel_hda_init,
1252 .exit = intel_hda_exit,
1253 .config_write = intel_hda_write_config,
1254 .vendor_id = PCI_VENDOR_ID_INTEL,
1255 .device_id = 0x2668,
1257 .class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO,
1258 .qdev.props = (Property[]) {
1259 DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1260 DEFINE_PROP_UINT32("msi", IntelHDAState, msi, 1),
1261 DEFINE_PROP_END_OF_LIST(),
1265 static void intel_hda_register(void)
1267 pci_qdev_register(&intel_hda_info);
1269 device_init(intel_hda_register);
1272 * create intel hda controller with codec attached to it,
1273 * so '-soundhw hda' works.
1275 int intel_hda_and_codec_init(PCIBus *bus)
1277 PCIDevice *controller;
1281 controller = pci_create_simple(bus, -1, "intel-hda");
1282 hdabus = QLIST_FIRST(&controller->qdev.child_bus);
1283 codec = qdev_create(hdabus, "hda-duplex");
1284 qdev_init_nofail(codec);