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"
29 /* --------------------------------------------------------------------- */
32 static struct BusInfo hda_codec_bus_info = {
34 .size = sizeof(HDACodecBus),
35 .props = (Property[]) {
36 DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
37 DEFINE_PROP_END_OF_LIST()
41 void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus,
42 hda_codec_response_func response,
43 hda_codec_xfer_func xfer)
45 qbus_create_inplace(&bus->qbus, &hda_codec_bus_info, dev, NULL);
46 bus->response = response;
50 static int hda_codec_dev_init(DeviceState *qdev)
52 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, qdev->parent_bus);
53 HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
54 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
57 dev->cad = bus->next_cad;
62 bus->next_cad = dev->cad + 1;
63 return cdc->init(dev);
66 static int hda_codec_dev_exit(DeviceState *qdev)
68 HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
69 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
77 HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
82 QTAILQ_FOREACH(qdev, &bus->qbus.children, sibling) {
83 cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
84 if (cdev->cad == cad) {
91 void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
93 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
94 bus->response(dev, solicited, response);
97 bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
98 uint8_t *buf, uint32_t len)
100 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
101 return bus->xfer(dev, stnr, output, buf, len);
104 /* --------------------------------------------------------------------- */
105 /* intel hda emulation */
107 typedef struct IntelHDAStream IntelHDAStream;
108 typedef struct IntelHDAState IntelHDAState;
109 typedef struct IntelHDAReg IntelHDAReg;
117 struct IntelHDAStream {
130 uint32_t bsize, be, bp;
133 struct IntelHDAState {
170 IntelHDAStream st[8];
175 int64_t wall_base_ns;
178 const IntelHDAReg *last_reg;
182 uint32_t repeat_count;
190 const char *name; /* register name */
191 uint32_t size; /* size in bytes */
192 uint32_t reset; /* reset value */
193 uint32_t wmask; /* write mask */
194 uint32_t wclear; /* write 1 to clear bits */
195 uint32_t offset; /* location in IntelHDAState */
196 uint32_t shift; /* byte access entries for dwords */
198 void (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
199 void (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
202 static void intel_hda_reset(DeviceState *dev);
204 /* --------------------------------------------------------------------- */
206 static target_phys_addr_t intel_hda_addr(uint32_t lbase, uint32_t ubase)
208 target_phys_addr_t addr;
210 #if TARGET_PHYS_ADDR_BITS == 32
220 static void intel_hda_update_int_sts(IntelHDAState *d)
225 /* update controller status */
226 if (d->rirb_sts & ICH6_RBSTS_IRQ) {
229 if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
232 if (d->state_sts & d->wake_en) {
236 /* update stream status */
237 for (i = 0; i < 8; i++) {
238 /* buffer completion interrupt */
239 if (d->st[i].ctl & (1 << 26)) {
244 /* update global status */
245 if (sts & d->int_ctl) {
252 static void intel_hda_update_irq(IntelHDAState *d)
254 int msi = d->msi && msi_enabled(&d->pci);
257 intel_hda_update_int_sts(d);
258 if (d->int_sts & (1 << 31) && d->int_ctl & (1 << 31)) {
263 dprint(d, 2, "%s: level %d [%s]\n", __FUNCTION__,
264 level, msi ? "msi" : "intx");
267 msi_notify(&d->pci, 0);
270 qemu_set_irq(d->pci.irq[0], level);
274 static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
276 uint32_t cad, nid, data;
277 HDACodecDevice *codec;
278 HDACodecDeviceClass *cdc;
280 cad = (verb >> 28) & 0x0f;
281 if (verb & (1 << 27)) {
282 /* indirect node addressing, not specified in HDA 1.0 */
283 dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __FUNCTION__);
286 nid = (verb >> 20) & 0x7f;
287 data = verb & 0xfffff;
289 codec = hda_codec_find(&d->codecs, cad);
291 dprint(d, 1, "%s: addressed non-existing codec\n", __FUNCTION__);
294 cdc = HDA_CODEC_DEVICE_GET_CLASS(codec);
295 cdc->command(codec, nid, data);
299 static void intel_hda_corb_run(IntelHDAState *d)
301 target_phys_addr_t addr;
304 if (d->ics & ICH6_IRS_BUSY) {
305 dprint(d, 2, "%s: [icw] verb 0x%08x\n", __FUNCTION__, d->icw);
306 intel_hda_send_command(d, d->icw);
311 if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
312 dprint(d, 2, "%s: !run\n", __FUNCTION__);
315 if ((d->corb_rp & 0xff) == d->corb_wp) {
316 dprint(d, 2, "%s: corb ring empty\n", __FUNCTION__);
319 if (d->rirb_count == d->rirb_cnt) {
320 dprint(d, 2, "%s: rirb count reached\n", __FUNCTION__);
324 rp = (d->corb_rp + 1) & 0xff;
325 addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
326 verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
329 dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __FUNCTION__, rp, verb);
330 intel_hda_send_command(d, verb);
334 static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
336 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
337 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
338 target_phys_addr_t addr;
341 if (d->ics & ICH6_IRS_BUSY) {
342 dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
343 __FUNCTION__, response, dev->cad);
345 d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
346 d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
350 if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
351 dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __FUNCTION__);
355 ex = (solicited ? 0 : (1 << 4)) | dev->cad;
356 wp = (d->rirb_wp + 1) & 0xff;
357 addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
358 stl_le_pci_dma(&d->pci, addr + 8*wp, response);
359 stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
362 dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
363 __FUNCTION__, wp, response, ex);
366 if (d->rirb_count == d->rirb_cnt) {
367 dprint(d, 2, "%s: rirb count reached (%d)\n", __FUNCTION__, d->rirb_count);
368 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
369 d->rirb_sts |= ICH6_RBSTS_IRQ;
370 intel_hda_update_irq(d);
372 } else if ((d->corb_rp & 0xff) == d->corb_wp) {
373 dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __FUNCTION__,
374 d->rirb_count, d->rirb_cnt);
375 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
376 d->rirb_sts |= ICH6_RBSTS_IRQ;
377 intel_hda_update_irq(d);
382 static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
383 uint8_t *buf, uint32_t len)
385 HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
386 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
387 target_phys_addr_t addr;
388 uint32_t s, copy, left;
392 st = output ? d->st + 4 : d->st;
393 for (s = 0; s < 4; s++) {
394 if (stnr == ((st[s].ctl >> 20) & 0x0f)) {
402 if (st->bpl == NULL) {
405 if (st->ctl & (1 << 26)) {
407 * Wait with the next DMA xfer until the guest
408 * has acked the buffer completion interrupt
416 if (copy > st->bsize - st->lpib)
417 copy = st->bsize - st->lpib;
418 if (copy > st->bpl[st->be].len - st->bp)
419 copy = st->bpl[st->be].len - st->bp;
421 dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
422 st->be, st->bp, st->bpl[st->be].len, copy);
424 pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output);
430 if (st->bpl[st->be].len == st->bp) {
431 /* bpl entry filled */
432 if (st->bpl[st->be].flags & 0x01) {
437 if (st->be == st->bentries) {
438 /* bpl wrap around */
444 if (d->dp_lbase & 0x01) {
445 addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
446 stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib);
448 dprint(d, 3, "dma: --\n");
451 st->ctl |= (1 << 26); /* buffer completion interrupt */
452 intel_hda_update_irq(d);
457 static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
459 target_phys_addr_t addr;
463 addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
464 st->bentries = st->lvi +1;
466 st->bpl = g_malloc(sizeof(bpl) * st->bentries);
467 for (i = 0; i < st->bentries; i++, addr += 16) {
468 pci_dma_read(&d->pci, addr, buf, 16);
469 st->bpl[i].addr = le64_to_cpu(*(uint64_t *)buf);
470 st->bpl[i].len = le32_to_cpu(*(uint32_t *)(buf + 8));
471 st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
472 dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
473 i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
482 static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output)
485 HDACodecDevice *cdev;
487 QTAILQ_FOREACH(qdev, &d->codecs.qbus.children, sibling) {
488 HDACodecDeviceClass *cdc;
490 cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
491 cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev);
493 cdc->stream(cdev, stream, running, output);
498 /* --------------------------------------------------------------------- */
500 static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
502 if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
503 intel_hda_reset(&d->pci.qdev);
507 static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
509 intel_hda_update_irq(d);
512 static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
514 intel_hda_update_irq(d);
517 static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
519 intel_hda_update_irq(d);
522 static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
526 ns = qemu_get_clock_ns(vm_clock) - d->wall_base_ns;
527 d->wall_clk = (uint32_t)(ns * 24 / 1000); /* 24 MHz */
530 static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
532 intel_hda_corb_run(d);
535 static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
537 intel_hda_corb_run(d);
540 static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
542 if (d->rirb_wp & ICH6_RIRBWP_RST) {
547 static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
549 intel_hda_update_irq(d);
551 if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
552 /* cleared ICH6_RBSTS_IRQ */
554 intel_hda_corb_run(d);
558 static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
560 if (d->ics & ICH6_IRS_BUSY) {
561 intel_hda_corb_run(d);
565 static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
567 bool output = reg->stream >= 4;
568 IntelHDAStream *st = d->st + reg->stream;
570 if (st->ctl & 0x01) {
572 dprint(d, 1, "st #%d: reset\n", reg->stream);
575 if ((st->ctl & 0x02) != (old & 0x02)) {
576 uint32_t stnr = (st->ctl >> 20) & 0x0f;
577 /* run bit flipped */
578 if (st->ctl & 0x02) {
580 dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
581 reg->stream, stnr, st->cbl);
582 intel_hda_parse_bdl(d, st);
583 intel_hda_notify_codecs(d, stnr, true, output);
586 dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
587 intel_hda_notify_codecs(d, stnr, false, output);
590 intel_hda_update_irq(d);
593 /* --------------------------------------------------------------------- */
595 #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
597 static const struct IntelHDAReg regtab[] = {
599 [ ICH6_REG_GCAP ] = {
604 [ ICH6_REG_VMIN ] = {
608 [ ICH6_REG_VMAJ ] = {
613 [ ICH6_REG_OUTPAY ] = {
618 [ ICH6_REG_INPAY ] = {
623 [ ICH6_REG_GCTL ] = {
627 .offset = offsetof(IntelHDAState, g_ctl),
628 .whandler = intel_hda_set_g_ctl,
630 [ ICH6_REG_WAKEEN ] = {
634 .offset = offsetof(IntelHDAState, wake_en),
635 .whandler = intel_hda_set_wake_en,
637 [ ICH6_REG_STATESTS ] = {
642 .offset = offsetof(IntelHDAState, state_sts),
643 .whandler = intel_hda_set_state_sts,
647 [ ICH6_REG_INTCTL ] = {
651 .offset = offsetof(IntelHDAState, int_ctl),
652 .whandler = intel_hda_set_int_ctl,
654 [ ICH6_REG_INTSTS ] = {
658 .wclear = 0xc00000ff,
659 .offset = offsetof(IntelHDAState, int_sts),
663 [ ICH6_REG_WALLCLK ] = {
666 .offset = offsetof(IntelHDAState, wall_clk),
667 .rhandler = intel_hda_get_wall_clk,
669 [ ICH6_REG_WALLCLK + 0x2000 ] = {
670 .name = "WALLCLK(alias)",
672 .offset = offsetof(IntelHDAState, wall_clk),
673 .rhandler = intel_hda_get_wall_clk,
677 [ ICH6_REG_CORBLBASE ] = {
681 .offset = offsetof(IntelHDAState, corb_lbase),
683 [ ICH6_REG_CORBUBASE ] = {
687 .offset = offsetof(IntelHDAState, corb_ubase),
689 [ ICH6_REG_CORBWP ] = {
693 .offset = offsetof(IntelHDAState, corb_wp),
694 .whandler = intel_hda_set_corb_wp,
696 [ ICH6_REG_CORBRP ] = {
700 .offset = offsetof(IntelHDAState, corb_rp),
702 [ ICH6_REG_CORBCTL ] = {
706 .offset = offsetof(IntelHDAState, corb_ctl),
707 .whandler = intel_hda_set_corb_ctl,
709 [ ICH6_REG_CORBSTS ] = {
714 .offset = offsetof(IntelHDAState, corb_sts),
716 [ ICH6_REG_CORBSIZE ] = {
720 .offset = offsetof(IntelHDAState, corb_size),
722 [ ICH6_REG_RIRBLBASE ] = {
726 .offset = offsetof(IntelHDAState, rirb_lbase),
728 [ ICH6_REG_RIRBUBASE ] = {
732 .offset = offsetof(IntelHDAState, rirb_ubase),
734 [ ICH6_REG_RIRBWP ] = {
738 .offset = offsetof(IntelHDAState, rirb_wp),
739 .whandler = intel_hda_set_rirb_wp,
741 [ ICH6_REG_RINTCNT ] = {
745 .offset = offsetof(IntelHDAState, rirb_cnt),
747 [ ICH6_REG_RIRBCTL ] = {
751 .offset = offsetof(IntelHDAState, rirb_ctl),
753 [ ICH6_REG_RIRBSTS ] = {
758 .offset = offsetof(IntelHDAState, rirb_sts),
759 .whandler = intel_hda_set_rirb_sts,
761 [ ICH6_REG_RIRBSIZE ] = {
765 .offset = offsetof(IntelHDAState, rirb_size),
768 [ ICH6_REG_DPLBASE ] = {
772 .offset = offsetof(IntelHDAState, dp_lbase),
774 [ ICH6_REG_DPUBASE ] = {
778 .offset = offsetof(IntelHDAState, dp_ubase),
785 .offset = offsetof(IntelHDAState, icw),
790 .offset = offsetof(IntelHDAState, irr),
797 .offset = offsetof(IntelHDAState, ics),
798 .whandler = intel_hda_set_ics,
801 #define HDA_STREAM(_t, _i) \
802 [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \
804 .name = _t stringify(_i) " CTL", \
806 .wmask = 0x1cff001f, \
807 .offset = offsetof(IntelHDAState, st[_i].ctl), \
808 .whandler = intel_hda_set_st_ctl, \
810 [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \
812 .name = _t stringify(_i) " CTL(stnr)", \
815 .wmask = 0x00ff0000, \
816 .offset = offsetof(IntelHDAState, st[_i].ctl), \
817 .whandler = intel_hda_set_st_ctl, \
819 [ ST_REG(_i, ICH6_REG_SD_STS)] = { \
821 .name = _t stringify(_i) " CTL(sts)", \
824 .wmask = 0x1c000000, \
825 .wclear = 0x1c000000, \
826 .offset = offsetof(IntelHDAState, st[_i].ctl), \
827 .whandler = intel_hda_set_st_ctl, \
829 [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
831 .name = _t stringify(_i) " LPIB", \
833 .offset = offsetof(IntelHDAState, st[_i].lpib), \
835 [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = { \
837 .name = _t stringify(_i) " LPIB(alias)", \
839 .offset = offsetof(IntelHDAState, st[_i].lpib), \
841 [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \
843 .name = _t stringify(_i) " CBL", \
845 .wmask = 0xffffffff, \
846 .offset = offsetof(IntelHDAState, st[_i].cbl), \
848 [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \
850 .name = _t stringify(_i) " LVI", \
853 .offset = offsetof(IntelHDAState, st[_i].lvi), \
855 [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \
857 .name = _t stringify(_i) " FIFOS", \
859 .reset = HDA_BUFFER_SIZE, \
861 [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \
863 .name = _t stringify(_i) " FMT", \
866 .offset = offsetof(IntelHDAState, st[_i].fmt), \
868 [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \
870 .name = _t stringify(_i) " BDLPL", \
872 .wmask = 0xffffff80, \
873 .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \
875 [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \
877 .name = _t stringify(_i) " BDLPU", \
879 .wmask = 0xffffffff, \
880 .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \
895 static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, target_phys_addr_t addr)
897 const IntelHDAReg *reg;
899 if (addr >= sizeof(regtab)/sizeof(regtab[0])) {
903 if (reg->name == NULL) {
909 dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
913 static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
915 uint8_t *addr = (void*)d;
918 return (uint32_t*)addr;
921 static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
932 time_t now = time(NULL);
933 if (d->last_write && d->last_reg == reg && d->last_val == val) {
935 if (d->last_sec != now) {
936 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
941 if (d->repeat_count) {
942 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
944 dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
952 assert(reg->offset != 0);
954 addr = intel_hda_reg_addr(d, reg);
959 wmask <<= reg->shift;
963 *addr |= wmask & val;
964 *addr &= ~(val & reg->wclear);
967 reg->whandler(d, reg, old);
971 static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
981 reg->rhandler(d, reg);
984 if (reg->offset == 0) {
985 /* constant read-only register */
988 addr = intel_hda_reg_addr(d, reg);
996 time_t now = time(NULL);
997 if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
999 if (d->last_sec != now) {
1000 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1002 d->repeat_count = 0;
1005 if (d->repeat_count) {
1006 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1008 dprint(d, 2, "read %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1013 d->repeat_count = 0;
1019 static void intel_hda_regs_reset(IntelHDAState *d)
1024 for (i = 0; i < sizeof(regtab)/sizeof(regtab[0]); i++) {
1025 if (regtab[i].name == NULL) {
1028 if (regtab[i].offset == 0) {
1031 addr = intel_hda_reg_addr(d, regtab + i);
1032 *addr = regtab[i].reset;
1036 /* --------------------------------------------------------------------- */
1038 static void intel_hda_mmio_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
1040 IntelHDAState *d = opaque;
1041 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1043 intel_hda_reg_write(d, reg, val, 0xff);
1046 static void intel_hda_mmio_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
1048 IntelHDAState *d = opaque;
1049 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1051 intel_hda_reg_write(d, reg, val, 0xffff);
1054 static void intel_hda_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
1056 IntelHDAState *d = opaque;
1057 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1059 intel_hda_reg_write(d, reg, val, 0xffffffff);
1062 static uint32_t intel_hda_mmio_readb(void *opaque, target_phys_addr_t addr)
1064 IntelHDAState *d = opaque;
1065 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1067 return intel_hda_reg_read(d, reg, 0xff);
1070 static uint32_t intel_hda_mmio_readw(void *opaque, target_phys_addr_t addr)
1072 IntelHDAState *d = opaque;
1073 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1075 return intel_hda_reg_read(d, reg, 0xffff);
1078 static uint32_t intel_hda_mmio_readl(void *opaque, target_phys_addr_t addr)
1080 IntelHDAState *d = opaque;
1081 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1083 return intel_hda_reg_read(d, reg, 0xffffffff);
1086 static const MemoryRegionOps intel_hda_mmio_ops = {
1089 intel_hda_mmio_readb,
1090 intel_hda_mmio_readw,
1091 intel_hda_mmio_readl,
1094 intel_hda_mmio_writeb,
1095 intel_hda_mmio_writew,
1096 intel_hda_mmio_writel,
1099 .endianness = DEVICE_NATIVE_ENDIAN,
1102 /* --------------------------------------------------------------------- */
1104 static void intel_hda_reset(DeviceState *dev)
1106 IntelHDAState *d = DO_UPCAST(IntelHDAState, pci.qdev, dev);
1108 HDACodecDevice *cdev;
1110 intel_hda_regs_reset(d);
1111 d->wall_base_ns = qemu_get_clock_ns(vm_clock);
1114 QTAILQ_FOREACH(qdev, &d->codecs.qbus.children, sibling) {
1115 cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
1116 device_reset(DEVICE(cdev));
1117 d->state_sts |= (1 << cdev->cad);
1119 intel_hda_update_irq(d);
1122 static int intel_hda_init(PCIDevice *pci)
1124 IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1125 uint8_t *conf = d->pci.config;
1127 d->name = object_get_typename(OBJECT(d));
1129 pci_config_set_interrupt_pin(conf, 1);
1131 /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1134 memory_region_init_io(&d->mmio, &intel_hda_mmio_ops, d,
1135 "intel-hda", 0x4000);
1136 pci_register_bar(&d->pci, 0, 0, &d->mmio);
1138 msi_init(&d->pci, 0x50, 1, true, false);
1141 hda_codec_bus_init(&d->pci.qdev, &d->codecs,
1142 intel_hda_response, intel_hda_xfer);
1147 static int intel_hda_exit(PCIDevice *pci)
1149 IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1151 msi_uninit(&d->pci);
1152 memory_region_destroy(&d->mmio);
1156 static void intel_hda_write_config(PCIDevice *pci, uint32_t addr,
1157 uint32_t val, int len)
1159 IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1161 pci_default_write_config(pci, addr, val, len);
1163 msi_write_config(pci, addr, val, len);
1167 static int intel_hda_post_load(void *opaque, int version)
1169 IntelHDAState* d = opaque;
1172 dprint(d, 1, "%s\n", __FUNCTION__);
1173 for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1174 if (d->st[i].ctl & 0x02) {
1175 intel_hda_parse_bdl(d, &d->st[i]);
1178 intel_hda_update_irq(d);
1182 static const VMStateDescription vmstate_intel_hda_stream = {
1183 .name = "intel-hda-stream",
1185 .fields = (VMStateField []) {
1186 VMSTATE_UINT32(ctl, IntelHDAStream),
1187 VMSTATE_UINT32(lpib, IntelHDAStream),
1188 VMSTATE_UINT32(cbl, IntelHDAStream),
1189 VMSTATE_UINT32(lvi, IntelHDAStream),
1190 VMSTATE_UINT32(fmt, IntelHDAStream),
1191 VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1192 VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1193 VMSTATE_END_OF_LIST()
1197 static const VMStateDescription vmstate_intel_hda = {
1198 .name = "intel-hda",
1200 .post_load = intel_hda_post_load,
1201 .fields = (VMStateField []) {
1202 VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1205 VMSTATE_UINT32(g_ctl, IntelHDAState),
1206 VMSTATE_UINT32(wake_en, IntelHDAState),
1207 VMSTATE_UINT32(state_sts, IntelHDAState),
1208 VMSTATE_UINT32(int_ctl, IntelHDAState),
1209 VMSTATE_UINT32(int_sts, IntelHDAState),
1210 VMSTATE_UINT32(wall_clk, IntelHDAState),
1211 VMSTATE_UINT32(corb_lbase, IntelHDAState),
1212 VMSTATE_UINT32(corb_ubase, IntelHDAState),
1213 VMSTATE_UINT32(corb_rp, IntelHDAState),
1214 VMSTATE_UINT32(corb_wp, IntelHDAState),
1215 VMSTATE_UINT32(corb_ctl, IntelHDAState),
1216 VMSTATE_UINT32(corb_sts, IntelHDAState),
1217 VMSTATE_UINT32(corb_size, IntelHDAState),
1218 VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1219 VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1220 VMSTATE_UINT32(rirb_wp, IntelHDAState),
1221 VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1222 VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1223 VMSTATE_UINT32(rirb_sts, IntelHDAState),
1224 VMSTATE_UINT32(rirb_size, IntelHDAState),
1225 VMSTATE_UINT32(dp_lbase, IntelHDAState),
1226 VMSTATE_UINT32(dp_ubase, IntelHDAState),
1227 VMSTATE_UINT32(icw, IntelHDAState),
1228 VMSTATE_UINT32(irr, IntelHDAState),
1229 VMSTATE_UINT32(ics, IntelHDAState),
1230 VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1231 vmstate_intel_hda_stream,
1234 /* additional state info */
1235 VMSTATE_UINT32(rirb_count, IntelHDAState),
1236 VMSTATE_INT64(wall_base_ns, IntelHDAState),
1238 VMSTATE_END_OF_LIST()
1242 static Property intel_hda_properties[] = {
1243 DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1244 DEFINE_PROP_UINT32("msi", IntelHDAState, msi, 1),
1245 DEFINE_PROP_END_OF_LIST(),
1248 static void intel_hda_class_init(ObjectClass *klass, void *data)
1250 DeviceClass *dc = DEVICE_CLASS(klass);
1251 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1253 k->init = intel_hda_init;
1254 k->exit = intel_hda_exit;
1255 k->config_write = intel_hda_write_config;
1256 k->vendor_id = PCI_VENDOR_ID_INTEL;
1257 k->device_id = 0x2668;
1259 k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;
1260 dc->desc = "Intel HD Audio Controller";
1261 dc->reset = intel_hda_reset;
1262 dc->vmsd = &vmstate_intel_hda;
1263 dc->props = intel_hda_properties;
1266 static TypeInfo intel_hda_info = {
1267 .name = "intel-hda",
1268 .parent = TYPE_PCI_DEVICE,
1269 .instance_size = sizeof(IntelHDAState),
1270 .class_init = intel_hda_class_init,
1273 static void hda_codec_device_class_init(ObjectClass *klass, void *data)
1275 DeviceClass *k = DEVICE_CLASS(klass);
1276 k->init = hda_codec_dev_init;
1277 k->exit = hda_codec_dev_exit;
1278 k->bus_info = &hda_codec_bus_info;
1281 static TypeInfo hda_codec_device_type_info = {
1282 .name = TYPE_HDA_CODEC_DEVICE,
1283 .parent = TYPE_DEVICE,
1284 .instance_size = sizeof(HDACodecDevice),
1286 .class_size = sizeof(HDACodecDeviceClass),
1287 .class_init = hda_codec_device_class_init,
1290 static void intel_hda_register_types(void)
1292 type_register_static(&intel_hda_info);
1293 type_register_static(&hda_codec_device_type_info);
1296 type_init(intel_hda_register_types)
1299 * create intel hda controller with codec attached to it,
1300 * so '-soundhw hda' works.
1302 int intel_hda_and_codec_init(PCIBus *bus)
1304 PCIDevice *controller;
1308 controller = pci_create_simple(bus, -1, "intel-hda");
1309 hdabus = QLIST_FIRST(&controller->qdev.child_bus);
1310 codec = qdev_create(hdabus, "hda-duplex");
1311 qdev_init_nofail(codec);