| /* |
| * Copyright (C) 2010 Red Hat, Inc. |
| * |
| * written by Gerd Hoffmann <kraxel@redhat.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 or |
| * (at your option) version 3 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "hw.h" |
| #include "pci.h" |
| #include "msi.h" |
| #include "qemu-timer.h" |
| #include "audiodev.h" |
| #include "intel-hda.h" |
| #include "intel-hda-defs.h" |
| #include "dma.h" |
| |
| /* --------------------------------------------------------------------- */ |
| /* hda bus */ |
| |
| static Property hda_props[] = { |
| DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1), |
| DEFINE_PROP_END_OF_LIST() |
| }; |
| |
| static const TypeInfo hda_codec_bus_info = { |
| .name = TYPE_HDA_BUS, |
| .parent = TYPE_BUS, |
| .instance_size = sizeof(HDACodecBus), |
| }; |
| |
| void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, |
| hda_codec_response_func response, |
| hda_codec_xfer_func xfer) |
| { |
| qbus_create_inplace(&bus->qbus, TYPE_HDA_BUS, dev, NULL); |
| bus->response = response; |
| bus->xfer = xfer; |
| } |
| |
| static int hda_codec_dev_init(DeviceState *qdev) |
| { |
| HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, qdev->parent_bus); |
| HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev); |
| HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev); |
| |
| if (dev->cad == -1) { |
| dev->cad = bus->next_cad; |
| } |
| if (dev->cad >= 15) { |
| return -1; |
| } |
| bus->next_cad = dev->cad + 1; |
| return cdc->init(dev); |
| } |
| |
| static int hda_codec_dev_exit(DeviceState *qdev) |
| { |
| HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev); |
| HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev); |
| |
| if (cdc->exit) { |
| cdc->exit(dev); |
| } |
| return 0; |
| } |
| |
| HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad) |
| { |
| BusChild *kid; |
| HDACodecDevice *cdev; |
| |
| QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) { |
| DeviceState *qdev = kid->child; |
| cdev = DO_UPCAST(HDACodecDevice, qdev, qdev); |
| if (cdev->cad == cad) { |
| return cdev; |
| } |
| } |
| return NULL; |
| } |
| |
| void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response) |
| { |
| HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus); |
| bus->response(dev, solicited, response); |
| } |
| |
| bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output, |
| uint8_t *buf, uint32_t len) |
| { |
| HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus); |
| return bus->xfer(dev, stnr, output, buf, len); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /* intel hda emulation */ |
| |
| typedef struct IntelHDAStream IntelHDAStream; |
| typedef struct IntelHDAState IntelHDAState; |
| typedef struct IntelHDAReg IntelHDAReg; |
| |
| typedef struct bpl { |
| uint64_t addr; |
| uint32_t len; |
| uint32_t flags; |
| } bpl; |
| |
| struct IntelHDAStream { |
| /* registers */ |
| uint32_t ctl; |
| uint32_t lpib; |
| uint32_t cbl; |
| uint32_t lvi; |
| uint32_t fmt; |
| uint32_t bdlp_lbase; |
| uint32_t bdlp_ubase; |
| |
| /* state */ |
| bpl *bpl; |
| uint32_t bentries; |
| uint32_t bsize, be, bp; |
| }; |
| |
| struct IntelHDAState { |
| PCIDevice pci; |
| const char *name; |
| HDACodecBus codecs; |
| |
| /* registers */ |
| uint32_t g_ctl; |
| uint32_t wake_en; |
| uint32_t state_sts; |
| uint32_t int_ctl; |
| uint32_t int_sts; |
| uint32_t wall_clk; |
| |
| uint32_t corb_lbase; |
| uint32_t corb_ubase; |
| uint32_t corb_rp; |
| uint32_t corb_wp; |
| uint32_t corb_ctl; |
| uint32_t corb_sts; |
| uint32_t corb_size; |
| |
| uint32_t rirb_lbase; |
| uint32_t rirb_ubase; |
| uint32_t rirb_wp; |
| uint32_t rirb_cnt; |
| uint32_t rirb_ctl; |
| uint32_t rirb_sts; |
| uint32_t rirb_size; |
| |
| uint32_t dp_lbase; |
| uint32_t dp_ubase; |
| |
| uint32_t icw; |
| uint32_t irr; |
| uint32_t ics; |
| |
| /* streams */ |
| IntelHDAStream st[8]; |
| |
| /* state */ |
| MemoryRegion mmio; |
| uint32_t rirb_count; |
| int64_t wall_base_ns; |
| |
| /* debug logging */ |
| const IntelHDAReg *last_reg; |
| uint32_t last_val; |
| uint32_t last_write; |
| uint32_t last_sec; |
| uint32_t repeat_count; |
| |
| /* properties */ |
| uint32_t debug; |
| uint32_t msi; |
| }; |
| |
| struct IntelHDAReg { |
| const char *name; /* register name */ |
| uint32_t size; /* size in bytes */ |
| uint32_t reset; /* reset value */ |
| uint32_t wmask; /* write mask */ |
| uint32_t wclear; /* write 1 to clear bits */ |
| uint32_t offset; /* location in IntelHDAState */ |
| uint32_t shift; /* byte access entries for dwords */ |
| uint32_t stream; |
| void (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old); |
| void (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg); |
| }; |
| |
| static void intel_hda_reset(DeviceState *dev); |
| |
| /* --------------------------------------------------------------------- */ |
| |
| static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase) |
| { |
| hwaddr addr; |
| |
| addr = ((uint64_t)ubase << 32) | lbase; |
| return addr; |
| } |
| |
| static void intel_hda_update_int_sts(IntelHDAState *d) |
| { |
| uint32_t sts = 0; |
| uint32_t i; |
| |
| /* update controller status */ |
| if (d->rirb_sts & ICH6_RBSTS_IRQ) { |
| sts |= (1 << 30); |
| } |
| if (d->rirb_sts & ICH6_RBSTS_OVERRUN) { |
| sts |= (1 << 30); |
| } |
| if (d->state_sts & d->wake_en) { |
| sts |= (1 << 30); |
| } |
| |
| /* update stream status */ |
| for (i = 0; i < 8; i++) { |
| /* buffer completion interrupt */ |
| if (d->st[i].ctl & (1 << 26)) { |
| sts |= (1 << i); |
| } |
| } |
| |
| /* update global status */ |
| if (sts & d->int_ctl) { |
| sts |= (1 << 31); |
| } |
| |
| d->int_sts = sts; |
| } |
| |
| static void intel_hda_update_irq(IntelHDAState *d) |
| { |
| int msi = d->msi && msi_enabled(&d->pci); |
| int level; |
| |
| intel_hda_update_int_sts(d); |
| if (d->int_sts & (1 << 31) && d->int_ctl & (1 << 31)) { |
| level = 1; |
| } else { |
| level = 0; |
| } |
| dprint(d, 2, "%s: level %d [%s]\n", __FUNCTION__, |
| level, msi ? "msi" : "intx"); |
| if (msi) { |
| if (level) { |
| msi_notify(&d->pci, 0); |
| } |
| } else { |
| qemu_set_irq(d->pci.irq[0], level); |
| } |
| } |
| |
| static int intel_hda_send_command(IntelHDAState *d, uint32_t verb) |
| { |
| uint32_t cad, nid, data; |
| HDACodecDevice *codec; |
| HDACodecDeviceClass *cdc; |
| |
| cad = (verb >> 28) & 0x0f; |
| if (verb & (1 << 27)) { |
| /* indirect node addressing, not specified in HDA 1.0 */ |
| dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __FUNCTION__); |
| return -1; |
| } |
| nid = (verb >> 20) & 0x7f; |
| data = verb & 0xfffff; |
| |
| codec = hda_codec_find(&d->codecs, cad); |
| if (codec == NULL) { |
| dprint(d, 1, "%s: addressed non-existing codec\n", __FUNCTION__); |
| return -1; |
| } |
| cdc = HDA_CODEC_DEVICE_GET_CLASS(codec); |
| cdc->command(codec, nid, data); |
| return 0; |
| } |
| |
| static void intel_hda_corb_run(IntelHDAState *d) |
| { |
| hwaddr addr; |
| uint32_t rp, verb; |
| |
| if (d->ics & ICH6_IRS_BUSY) { |
| dprint(d, 2, "%s: [icw] verb 0x%08x\n", __FUNCTION__, d->icw); |
| intel_hda_send_command(d, d->icw); |
| return; |
| } |
| |
| for (;;) { |
| if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) { |
| dprint(d, 2, "%s: !run\n", __FUNCTION__); |
| return; |
| } |
| if ((d->corb_rp & 0xff) == d->corb_wp) { |
| dprint(d, 2, "%s: corb ring empty\n", __FUNCTION__); |
| return; |
| } |
| if (d->rirb_count == d->rirb_cnt) { |
| dprint(d, 2, "%s: rirb count reached\n", __FUNCTION__); |
| return; |
| } |
| |
| rp = (d->corb_rp + 1) & 0xff; |
| addr = intel_hda_addr(d->corb_lbase, d->corb_ubase); |
| verb = ldl_le_pci_dma(&d->pci, addr + 4*rp); |
| d->corb_rp = rp; |
| |
| dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __FUNCTION__, rp, verb); |
| intel_hda_send_command(d, verb); |
| } |
| } |
| |
| static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response) |
| { |
| HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus); |
| IntelHDAState *d = container_of(bus, IntelHDAState, codecs); |
| hwaddr addr; |
| uint32_t wp, ex; |
| |
| if (d->ics & ICH6_IRS_BUSY) { |
| dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n", |
| __FUNCTION__, response, dev->cad); |
| d->irr = response; |
| d->ics &= ~(ICH6_IRS_BUSY | 0xf0); |
| d->ics |= (ICH6_IRS_VALID | (dev->cad << 4)); |
| return; |
| } |
| |
| if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) { |
| dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __FUNCTION__); |
| return; |
| } |
| |
| ex = (solicited ? 0 : (1 << 4)) | dev->cad; |
| wp = (d->rirb_wp + 1) & 0xff; |
| addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase); |
| stl_le_pci_dma(&d->pci, addr + 8*wp, response); |
| stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex); |
| d->rirb_wp = wp; |
| |
| dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n", |
| __FUNCTION__, wp, response, ex); |
| |
| d->rirb_count++; |
| if (d->rirb_count == d->rirb_cnt) { |
| dprint(d, 2, "%s: rirb count reached (%d)\n", __FUNCTION__, d->rirb_count); |
| if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) { |
| d->rirb_sts |= ICH6_RBSTS_IRQ; |
| intel_hda_update_irq(d); |
| } |
| } else if ((d->corb_rp & 0xff) == d->corb_wp) { |
| dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __FUNCTION__, |
| d->rirb_count, d->rirb_cnt); |
| if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) { |
| d->rirb_sts |= ICH6_RBSTS_IRQ; |
| intel_hda_update_irq(d); |
| } |
| } |
| } |
| |
| static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output, |
| uint8_t *buf, uint32_t len) |
| { |
| HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus); |
| IntelHDAState *d = container_of(bus, IntelHDAState, codecs); |
| hwaddr addr; |
| uint32_t s, copy, left; |
| IntelHDAStream *st; |
| bool irq = false; |
| |
| st = output ? d->st + 4 : d->st; |
| for (s = 0; s < 4; s++) { |
| if (stnr == ((st[s].ctl >> 20) & 0x0f)) { |
| st = st + s; |
| break; |
| } |
| } |
| if (s == 4) { |
| return false; |
| } |
| if (st->bpl == NULL) { |
| return false; |
| } |
| if (st->ctl & (1 << 26)) { |
| /* |
| * Wait with the next DMA xfer until the guest |
| * has acked the buffer completion interrupt |
| */ |
| return false; |
| } |
| |
| left = len; |
| while (left > 0) { |
| copy = left; |
| if (copy > st->bsize - st->lpib) |
| copy = st->bsize - st->lpib; |
| if (copy > st->bpl[st->be].len - st->bp) |
| copy = st->bpl[st->be].len - st->bp; |
| |
| dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n", |
| st->be, st->bp, st->bpl[st->be].len, copy); |
| |
| pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output); |
| st->lpib += copy; |
| st->bp += copy; |
| buf += copy; |
| left -= copy; |
| |
| if (st->bpl[st->be].len == st->bp) { |
| /* bpl entry filled */ |
| if (st->bpl[st->be].flags & 0x01) { |
| irq = true; |
| } |
| st->bp = 0; |
| st->be++; |
| if (st->be == st->bentries) { |
| /* bpl wrap around */ |
| st->be = 0; |
| st->lpib = 0; |
| } |
| } |
| } |
| if (d->dp_lbase & 0x01) { |
| addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase); |
| stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib); |
| } |
| dprint(d, 3, "dma: --\n"); |
| |
| if (irq) { |
| st->ctl |= (1 << 26); /* buffer completion interrupt */ |
| intel_hda_update_irq(d); |
| } |
| return true; |
| } |
| |
| static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st) |
| { |
| hwaddr addr; |
| uint8_t buf[16]; |
| uint32_t i; |
| |
| addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase); |
| st->bentries = st->lvi +1; |
| g_free(st->bpl); |
| st->bpl = g_malloc(sizeof(bpl) * st->bentries); |
| for (i = 0; i < st->bentries; i++, addr += 16) { |
| pci_dma_read(&d->pci, addr, buf, 16); |
| st->bpl[i].addr = le64_to_cpu(*(uint64_t *)buf); |
| st->bpl[i].len = le32_to_cpu(*(uint32_t *)(buf + 8)); |
| st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12)); |
| dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n", |
| i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags); |
| } |
| |
| st->bsize = st->cbl; |
| st->lpib = 0; |
| st->be = 0; |
| st->bp = 0; |
| } |
| |
| static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output) |
| { |
| BusChild *kid; |
| HDACodecDevice *cdev; |
| |
| QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) { |
| DeviceState *qdev = kid->child; |
| HDACodecDeviceClass *cdc; |
| |
| cdev = DO_UPCAST(HDACodecDevice, qdev, qdev); |
| cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev); |
| if (cdc->stream) { |
| cdc->stream(cdev, stream, running, output); |
| } |
| } |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| |
| static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| if ((d->g_ctl & ICH6_GCTL_RESET) == 0) { |
| intel_hda_reset(&d->pci.qdev); |
| } |
| } |
| |
| static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| intel_hda_update_irq(d); |
| } |
| |
| static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| intel_hda_update_irq(d); |
| } |
| |
| static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| intel_hda_update_irq(d); |
| } |
| |
| static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg) |
| { |
| int64_t ns; |
| |
| ns = qemu_get_clock_ns(vm_clock) - d->wall_base_ns; |
| d->wall_clk = (uint32_t)(ns * 24 / 1000); /* 24 MHz */ |
| } |
| |
| static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| intel_hda_corb_run(d); |
| } |
| |
| static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| intel_hda_corb_run(d); |
| } |
| |
| static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| if (d->rirb_wp & ICH6_RIRBWP_RST) { |
| d->rirb_wp = 0; |
| } |
| } |
| |
| static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| intel_hda_update_irq(d); |
| |
| if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) { |
| /* cleared ICH6_RBSTS_IRQ */ |
| d->rirb_count = 0; |
| intel_hda_corb_run(d); |
| } |
| } |
| |
| static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| if (d->ics & ICH6_IRS_BUSY) { |
| intel_hda_corb_run(d); |
| } |
| } |
| |
| static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) |
| { |
| bool output = reg->stream >= 4; |
| IntelHDAStream *st = d->st + reg->stream; |
| |
| if (st->ctl & 0x01) { |
| /* reset */ |
| dprint(d, 1, "st #%d: reset\n", reg->stream); |
| st->ctl = 0; |
| } |
| if ((st->ctl & 0x02) != (old & 0x02)) { |
| uint32_t stnr = (st->ctl >> 20) & 0x0f; |
| /* run bit flipped */ |
| if (st->ctl & 0x02) { |
| /* start */ |
| dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n", |
| reg->stream, stnr, st->cbl); |
| intel_hda_parse_bdl(d, st); |
| intel_hda_notify_codecs(d, stnr, true, output); |
| } else { |
| /* stop */ |
| dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr); |
| intel_hda_notify_codecs(d, stnr, false, output); |
| } |
| } |
| intel_hda_update_irq(d); |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| |
| #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o)) |
| |
| static const struct IntelHDAReg regtab[] = { |
| /* global */ |
| [ ICH6_REG_GCAP ] = { |
| .name = "GCAP", |
| .size = 2, |
| .reset = 0x4401, |
| }, |
| [ ICH6_REG_VMIN ] = { |
| .name = "VMIN", |
| .size = 1, |
| }, |
| [ ICH6_REG_VMAJ ] = { |
| .name = "VMAJ", |
| .size = 1, |
| .reset = 1, |
| }, |
| [ ICH6_REG_OUTPAY ] = { |
| .name = "OUTPAY", |
| .size = 2, |
| .reset = 0x3c, |
| }, |
| [ ICH6_REG_INPAY ] = { |
| .name = "INPAY", |
| .size = 2, |
| .reset = 0x1d, |
| }, |
| [ ICH6_REG_GCTL ] = { |
| .name = "GCTL", |
| .size = 4, |
| .wmask = 0x0103, |
| .offset = offsetof(IntelHDAState, g_ctl), |
| .whandler = intel_hda_set_g_ctl, |
| }, |
| [ ICH6_REG_WAKEEN ] = { |
| .name = "WAKEEN", |
| .size = 2, |
| .wmask = 0x7fff, |
| .offset = offsetof(IntelHDAState, wake_en), |
| .whandler = intel_hda_set_wake_en, |
| }, |
| [ ICH6_REG_STATESTS ] = { |
| .name = "STATESTS", |
| .size = 2, |
| .wmask = 0x7fff, |
| .wclear = 0x7fff, |
| .offset = offsetof(IntelHDAState, state_sts), |
| .whandler = intel_hda_set_state_sts, |
| }, |
| |
| /* interrupts */ |
| [ ICH6_REG_INTCTL ] = { |
| .name = "INTCTL", |
| .size = 4, |
| .wmask = 0xc00000ff, |
| .offset = offsetof(IntelHDAState, int_ctl), |
| .whandler = intel_hda_set_int_ctl, |
| }, |
| [ ICH6_REG_INTSTS ] = { |
| .name = "INTSTS", |
| .size = 4, |
| .wmask = 0xc00000ff, |
| .wclear = 0xc00000ff, |
| .offset = offsetof(IntelHDAState, int_sts), |
| }, |
| |
| /* misc */ |
| [ ICH6_REG_WALLCLK ] = { |
| .name = "WALLCLK", |
| .size = 4, |
| .offset = offsetof(IntelHDAState, wall_clk), |
| .rhandler = intel_hda_get_wall_clk, |
| }, |
| [ ICH6_REG_WALLCLK + 0x2000 ] = { |
| .name = "WALLCLK(alias)", |
| .size = 4, |
| .offset = offsetof(IntelHDAState, wall_clk), |
| .rhandler = intel_hda_get_wall_clk, |
| }, |
| |
| /* dma engine */ |
| [ ICH6_REG_CORBLBASE ] = { |
| .name = "CORBLBASE", |
| .size = 4, |
| .wmask = 0xffffff80, |
| .offset = offsetof(IntelHDAState, corb_lbase), |
| }, |
| [ ICH6_REG_CORBUBASE ] = { |
| .name = "CORBUBASE", |
| .size = 4, |
| .wmask = 0xffffffff, |
| .offset = offsetof(IntelHDAState, corb_ubase), |
| }, |
| [ ICH6_REG_CORBWP ] = { |
| .name = "CORBWP", |
| .size = 2, |
| .wmask = 0xff, |
| .offset = offsetof(IntelHDAState, corb_wp), |
| .whandler = intel_hda_set_corb_wp, |
| }, |
| [ ICH6_REG_CORBRP ] = { |
| .name = "CORBRP", |
| .size = 2, |
| .wmask = 0x80ff, |
| .offset = offsetof(IntelHDAState, corb_rp), |
| }, |
| [ ICH6_REG_CORBCTL ] = { |
| .name = "CORBCTL", |
| .size = 1, |
| .wmask = 0x03, |
| .offset = offsetof(IntelHDAState, corb_ctl), |
| .whandler = intel_hda_set_corb_ctl, |
| }, |
| [ ICH6_REG_CORBSTS ] = { |
| .name = "CORBSTS", |
| .size = 1, |
| .wmask = 0x01, |
| .wclear = 0x01, |
| .offset = offsetof(IntelHDAState, corb_sts), |
| }, |
| [ ICH6_REG_CORBSIZE ] = { |
| .name = "CORBSIZE", |
| .size = 1, |
| .reset = 0x42, |
| .offset = offsetof(IntelHDAState, corb_size), |
| }, |
| [ ICH6_REG_RIRBLBASE ] = { |
| .name = "RIRBLBASE", |
| .size = 4, |
| .wmask = 0xffffff80, |
| .offset = offsetof(IntelHDAState, rirb_lbase), |
| }, |
| [ ICH6_REG_RIRBUBASE ] = { |
| .name = "RIRBUBASE", |
| .size = 4, |
| .wmask = 0xffffffff, |
| .offset = offsetof(IntelHDAState, rirb_ubase), |
| }, |
| [ ICH6_REG_RIRBWP ] = { |
| .name = "RIRBWP", |
| .size = 2, |
| .wmask = 0x8000, |
| .offset = offsetof(IntelHDAState, rirb_wp), |
| .whandler = intel_hda_set_rirb_wp, |
| }, |
| [ ICH6_REG_RINTCNT ] = { |
| .name = "RINTCNT", |
| .size = 2, |
| .wmask = 0xff, |
| .offset = offsetof(IntelHDAState, rirb_cnt), |
| }, |
| [ ICH6_REG_RIRBCTL ] = { |
| .name = "RIRBCTL", |
| .size = 1, |
| .wmask = 0x07, |
| .offset = offsetof(IntelHDAState, rirb_ctl), |
| }, |
| [ ICH6_REG_RIRBSTS ] = { |
| .name = "RIRBSTS", |
| .size = 1, |
| .wmask = 0x05, |
| .wclear = 0x05, |
| .offset = offsetof(IntelHDAState, rirb_sts), |
| .whandler = intel_hda_set_rirb_sts, |
| }, |
| [ ICH6_REG_RIRBSIZE ] = { |
| .name = "RIRBSIZE", |
| .size = 1, |
| .reset = 0x42, |
| .offset = offsetof(IntelHDAState, rirb_size), |
| }, |
| |
| [ ICH6_REG_DPLBASE ] = { |
| .name = "DPLBASE", |
| .size = 4, |
| .wmask = 0xffffff81, |
| .offset = offsetof(IntelHDAState, dp_lbase), |
| }, |
| [ ICH6_REG_DPUBASE ] = { |
| .name = "DPUBASE", |
| .size = 4, |
| .wmask = 0xffffffff, |
| .offset = offsetof(IntelHDAState, dp_ubase), |
| }, |
| |
| [ ICH6_REG_IC ] = { |
| .name = "ICW", |
| .size = 4, |
| .wmask = 0xffffffff, |
| .offset = offsetof(IntelHDAState, icw), |
| }, |
| [ ICH6_REG_IR ] = { |
| .name = "IRR", |
| .size = 4, |
| .offset = offsetof(IntelHDAState, irr), |
| }, |
| [ ICH6_REG_IRS ] = { |
| .name = "ICS", |
| .size = 2, |
| .wmask = 0x0003, |
| .wclear = 0x0002, |
| .offset = offsetof(IntelHDAState, ics), |
| .whandler = intel_hda_set_ics, |
| }, |
| |
| #define HDA_STREAM(_t, _i) \ |
| [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " CTL", \ |
| .size = 4, \ |
| .wmask = 0x1cff001f, \ |
| .offset = offsetof(IntelHDAState, st[_i].ctl), \ |
| .whandler = intel_hda_set_st_ctl, \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " CTL(stnr)", \ |
| .size = 1, \ |
| .shift = 16, \ |
| .wmask = 0x00ff0000, \ |
| .offset = offsetof(IntelHDAState, st[_i].ctl), \ |
| .whandler = intel_hda_set_st_ctl, \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_STS)] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " CTL(sts)", \ |
| .size = 1, \ |
| .shift = 24, \ |
| .wmask = 0x1c000000, \ |
| .wclear = 0x1c000000, \ |
| .offset = offsetof(IntelHDAState, st[_i].ctl), \ |
| .whandler = intel_hda_set_st_ctl, \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " LPIB", \ |
| .size = 4, \ |
| .offset = offsetof(IntelHDAState, st[_i].lpib), \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " LPIB(alias)", \ |
| .size = 4, \ |
| .offset = offsetof(IntelHDAState, st[_i].lpib), \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " CBL", \ |
| .size = 4, \ |
| .wmask = 0xffffffff, \ |
| .offset = offsetof(IntelHDAState, st[_i].cbl), \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " LVI", \ |
| .size = 2, \ |
| .wmask = 0x00ff, \ |
| .offset = offsetof(IntelHDAState, st[_i].lvi), \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " FIFOS", \ |
| .size = 2, \ |
| .reset = HDA_BUFFER_SIZE, \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " FMT", \ |
| .size = 2, \ |
| .wmask = 0x7f7f, \ |
| .offset = offsetof(IntelHDAState, st[_i].fmt), \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " BDLPL", \ |
| .size = 4, \ |
| .wmask = 0xffffff80, \ |
| .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \ |
| }, \ |
| [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \ |
| .stream = _i, \ |
| .name = _t stringify(_i) " BDLPU", \ |
| .size = 4, \ |
| .wmask = 0xffffffff, \ |
| .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \ |
| }, \ |
| |
| HDA_STREAM("IN", 0) |
| HDA_STREAM("IN", 1) |
| HDA_STREAM("IN", 2) |
| HDA_STREAM("IN", 3) |
| |
| HDA_STREAM("OUT", 4) |
| HDA_STREAM("OUT", 5) |
| HDA_STREAM("OUT", 6) |
| HDA_STREAM("OUT", 7) |
| |
| }; |
| |
| static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr) |
| { |
| const IntelHDAReg *reg; |
| |
| if (addr >= sizeof(regtab)/sizeof(regtab[0])) { |
| goto noreg; |
| } |
| reg = regtab+addr; |
| if (reg->name == NULL) { |
| goto noreg; |
| } |
| return reg; |
| |
| noreg: |
| dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr); |
| return NULL; |
| } |
| |
| static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg) |
| { |
| uint8_t *addr = (void*)d; |
| |
| addr += reg->offset; |
| return (uint32_t*)addr; |
| } |
| |
| static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val, |
| uint32_t wmask) |
| { |
| uint32_t *addr; |
| uint32_t old; |
| |
| if (!reg) { |
| return; |
| } |
| |
| if (d->debug) { |
| time_t now = time(NULL); |
| if (d->last_write && d->last_reg == reg && d->last_val == val) { |
| d->repeat_count++; |
| if (d->last_sec != now) { |
| dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count); |
| d->last_sec = now; |
| d->repeat_count = 0; |
| } |
| } else { |
| if (d->repeat_count) { |
| dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count); |
| } |
| dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask); |
| d->last_write = 1; |
| d->last_reg = reg; |
| d->last_val = val; |
| d->last_sec = now; |
| d->repeat_count = 0; |
| } |
| } |
| assert(reg->offset != 0); |
| |
| addr = intel_hda_reg_addr(d, reg); |
| old = *addr; |
| |
| if (reg->shift) { |
| val <<= reg->shift; |
| wmask <<= reg->shift; |
| } |
| wmask &= reg->wmask; |
| *addr &= ~wmask; |
| *addr |= wmask & val; |
| *addr &= ~(val & reg->wclear); |
| |
| if (reg->whandler) { |
| reg->whandler(d, reg, old); |
| } |
| } |
| |
| static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg, |
| uint32_t rmask) |
| { |
| uint32_t *addr, ret; |
| |
| if (!reg) { |
| return 0; |
| } |
| |
| if (reg->rhandler) { |
| reg->rhandler(d, reg); |
| } |
| |
| if (reg->offset == 0) { |
| /* constant read-only register */ |
| ret = reg->reset; |
| } else { |
| addr = intel_hda_reg_addr(d, reg); |
| ret = *addr; |
| if (reg->shift) { |
| ret >>= reg->shift; |
| } |
| ret &= rmask; |
| } |
| if (d->debug) { |
| time_t now = time(NULL); |
| if (!d->last_write && d->last_reg == reg && d->last_val == ret) { |
| d->repeat_count++; |
| if (d->last_sec != now) { |
| dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count); |
| d->last_sec = now; |
| d->repeat_count = 0; |
| } |
| } else { |
| if (d->repeat_count) { |
| dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count); |
| } |
| dprint(d, 2, "read %-16s: 0x%x (%x)\n", reg->name, ret, rmask); |
| d->last_write = 0; |
| d->last_reg = reg; |
| d->last_val = ret; |
| d->last_sec = now; |
| d->repeat_count = 0; |
| } |
| } |
| return ret; |
| } |
| |
| static void intel_hda_regs_reset(IntelHDAState *d) |
| { |
| uint32_t *addr; |
| int i; |
| |
| for (i = 0; i < sizeof(regtab)/sizeof(regtab[0]); i++) { |
| if (regtab[i].name == NULL) { |
| continue; |
| } |
| if (regtab[i].offset == 0) { |
| continue; |
| } |
| addr = intel_hda_reg_addr(d, regtab + i); |
| *addr = regtab[i].reset; |
| } |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| |
| static void intel_hda_mmio_writeb(void *opaque, hwaddr addr, uint32_t val) |
| { |
| IntelHDAState *d = opaque; |
| const IntelHDAReg *reg = intel_hda_reg_find(d, addr); |
| |
| intel_hda_reg_write(d, reg, val, 0xff); |
| } |
| |
| static void intel_hda_mmio_writew(void *opaque, hwaddr addr, uint32_t val) |
| { |
| IntelHDAState *d = opaque; |
| const IntelHDAReg *reg = intel_hda_reg_find(d, addr); |
| |
| intel_hda_reg_write(d, reg, val, 0xffff); |
| } |
| |
| static void intel_hda_mmio_writel(void *opaque, hwaddr addr, uint32_t val) |
| { |
| IntelHDAState *d = opaque; |
| const IntelHDAReg *reg = intel_hda_reg_find(d, addr); |
| |
| intel_hda_reg_write(d, reg, val, 0xffffffff); |
| } |
| |
| static uint32_t intel_hda_mmio_readb(void *opaque, hwaddr addr) |
| { |
| IntelHDAState *d = opaque; |
| const IntelHDAReg *reg = intel_hda_reg_find(d, addr); |
| |
| return intel_hda_reg_read(d, reg, 0xff); |
| } |
| |
| static uint32_t intel_hda_mmio_readw(void *opaque, hwaddr addr) |
| { |
| IntelHDAState *d = opaque; |
| const IntelHDAReg *reg = intel_hda_reg_find(d, addr); |
| |
| return intel_hda_reg_read(d, reg, 0xffff); |
| } |
| |
| static uint32_t intel_hda_mmio_readl(void *opaque, hwaddr addr) |
| { |
| IntelHDAState *d = opaque; |
| const IntelHDAReg *reg = intel_hda_reg_find(d, addr); |
| |
| return intel_hda_reg_read(d, reg, 0xffffffff); |
| } |
| |
| static const MemoryRegionOps intel_hda_mmio_ops = { |
| .old_mmio = { |
| .read = { |
| intel_hda_mmio_readb, |
| intel_hda_mmio_readw, |
| intel_hda_mmio_readl, |
| }, |
| .write = { |
| intel_hda_mmio_writeb, |
| intel_hda_mmio_writew, |
| intel_hda_mmio_writel, |
| }, |
| }, |
| .endianness = DEVICE_NATIVE_ENDIAN, |
| }; |
| |
| /* --------------------------------------------------------------------- */ |
| |
| static void intel_hda_reset(DeviceState *dev) |
| { |
| BusChild *kid; |
| IntelHDAState *d = DO_UPCAST(IntelHDAState, pci.qdev, dev); |
| HDACodecDevice *cdev; |
| |
| intel_hda_regs_reset(d); |
| d->wall_base_ns = qemu_get_clock_ns(vm_clock); |
| |
| /* reset codecs */ |
| QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) { |
| DeviceState *qdev = kid->child; |
| cdev = DO_UPCAST(HDACodecDevice, qdev, qdev); |
| device_reset(DEVICE(cdev)); |
| d->state_sts |= (1 << cdev->cad); |
| } |
| intel_hda_update_irq(d); |
| } |
| |
| static int intel_hda_init(PCIDevice *pci) |
| { |
| IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci); |
| uint8_t *conf = d->pci.config; |
| |
| d->name = object_get_typename(OBJECT(d)); |
| |
| pci_config_set_interrupt_pin(conf, 1); |
| |
| /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */ |
| conf[0x40] = 0x01; |
| |
| memory_region_init_io(&d->mmio, &intel_hda_mmio_ops, d, |
| "intel-hda", 0x4000); |
| pci_register_bar(&d->pci, 0, 0, &d->mmio); |
| if (d->msi) { |
| msi_init(&d->pci, 0x50, 1, true, false); |
| } |
| |
| hda_codec_bus_init(&d->pci.qdev, &d->codecs, |
| intel_hda_response, intel_hda_xfer); |
| |
| return 0; |
| } |
| |
| static void intel_hda_exit(PCIDevice *pci) |
| { |
| IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci); |
| |
| msi_uninit(&d->pci); |
| memory_region_destroy(&d->mmio); |
| } |
| |
| static int intel_hda_post_load(void *opaque, int version) |
| { |
| IntelHDAState* d = opaque; |
| int i; |
| |
| dprint(d, 1, "%s\n", __FUNCTION__); |
| for (i = 0; i < ARRAY_SIZE(d->st); i++) { |
| if (d->st[i].ctl & 0x02) { |
| intel_hda_parse_bdl(d, &d->st[i]); |
| } |
| } |
| intel_hda_update_irq(d); |
| return 0; |
| } |
| |
| static const VMStateDescription vmstate_intel_hda_stream = { |
| .name = "intel-hda-stream", |
| .version_id = 1, |
| .fields = (VMStateField []) { |
| VMSTATE_UINT32(ctl, IntelHDAStream), |
| VMSTATE_UINT32(lpib, IntelHDAStream), |
| VMSTATE_UINT32(cbl, IntelHDAStream), |
| VMSTATE_UINT32(lvi, IntelHDAStream), |
| VMSTATE_UINT32(fmt, IntelHDAStream), |
| VMSTATE_UINT32(bdlp_lbase, IntelHDAStream), |
| VMSTATE_UINT32(bdlp_ubase, IntelHDAStream), |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static const VMStateDescription vmstate_intel_hda = { |
| .name = "intel-hda", |
| .version_id = 1, |
| .post_load = intel_hda_post_load, |
| .fields = (VMStateField []) { |
| VMSTATE_PCI_DEVICE(pci, IntelHDAState), |
| |
| /* registers */ |
| VMSTATE_UINT32(g_ctl, IntelHDAState), |
| VMSTATE_UINT32(wake_en, IntelHDAState), |
| VMSTATE_UINT32(state_sts, IntelHDAState), |
| VMSTATE_UINT32(int_ctl, IntelHDAState), |
| VMSTATE_UINT32(int_sts, IntelHDAState), |
| VMSTATE_UINT32(wall_clk, IntelHDAState), |
| VMSTATE_UINT32(corb_lbase, IntelHDAState), |
| VMSTATE_UINT32(corb_ubase, IntelHDAState), |
| VMSTATE_UINT32(corb_rp, IntelHDAState), |
| VMSTATE_UINT32(corb_wp, IntelHDAState), |
| VMSTATE_UINT32(corb_ctl, IntelHDAState), |
| VMSTATE_UINT32(corb_sts, IntelHDAState), |
| VMSTATE_UINT32(corb_size, IntelHDAState), |
| VMSTATE_UINT32(rirb_lbase, IntelHDAState), |
| VMSTATE_UINT32(rirb_ubase, IntelHDAState), |
| VMSTATE_UINT32(rirb_wp, IntelHDAState), |
| VMSTATE_UINT32(rirb_cnt, IntelHDAState), |
| VMSTATE_UINT32(rirb_ctl, IntelHDAState), |
| VMSTATE_UINT32(rirb_sts, IntelHDAState), |
| VMSTATE_UINT32(rirb_size, IntelHDAState), |
| VMSTATE_UINT32(dp_lbase, IntelHDAState), |
| VMSTATE_UINT32(dp_ubase, IntelHDAState), |
| VMSTATE_UINT32(icw, IntelHDAState), |
| VMSTATE_UINT32(irr, IntelHDAState), |
| VMSTATE_UINT32(ics, IntelHDAState), |
| VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0, |
| vmstate_intel_hda_stream, |
| IntelHDAStream), |
| |
| /* additional state info */ |
| VMSTATE_UINT32(rirb_count, IntelHDAState), |
| VMSTATE_INT64(wall_base_ns, IntelHDAState), |
| |
| VMSTATE_END_OF_LIST() |
| } |
| }; |
| |
| static Property intel_hda_properties[] = { |
| DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0), |
| DEFINE_PROP_UINT32("msi", IntelHDAState, msi, 1), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void intel_hda_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
| |
| k->init = intel_hda_init; |
| k->exit = intel_hda_exit; |
| k->vendor_id = PCI_VENDOR_ID_INTEL; |
| k->device_id = 0x2668; |
| k->revision = 1; |
| k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO; |
| dc->desc = "Intel HD Audio Controller"; |
| dc->reset = intel_hda_reset; |
| dc->vmsd = &vmstate_intel_hda; |
| dc->props = intel_hda_properties; |
| } |
| |
| static TypeInfo intel_hda_info = { |
| .name = "intel-hda", |
| .parent = TYPE_PCI_DEVICE, |
| .instance_size = sizeof(IntelHDAState), |
| .class_init = intel_hda_class_init, |
| }; |
| |
| static void hda_codec_device_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *k = DEVICE_CLASS(klass); |
| k->init = hda_codec_dev_init; |
| k->exit = hda_codec_dev_exit; |
| k->bus_type = TYPE_HDA_BUS; |
| k->props = hda_props; |
| } |
| |
| static TypeInfo hda_codec_device_type_info = { |
| .name = TYPE_HDA_CODEC_DEVICE, |
| .parent = TYPE_DEVICE, |
| .instance_size = sizeof(HDACodecDevice), |
| .abstract = true, |
| .class_size = sizeof(HDACodecDeviceClass), |
| .class_init = hda_codec_device_class_init, |
| }; |
| |
| static void intel_hda_register_types(void) |
| { |
| type_register_static(&hda_codec_bus_info); |
| type_register_static(&intel_hda_info); |
| type_register_static(&hda_codec_device_type_info); |
| } |
| |
| type_init(intel_hda_register_types) |
| |
| /* |
| * create intel hda controller with codec attached to it, |
| * so '-soundhw hda' works. |
| */ |
| int intel_hda_and_codec_init(PCIBus *bus) |
| { |
| PCIDevice *controller; |
| BusState *hdabus; |
| DeviceState *codec; |
| |
| controller = pci_create_simple(bus, -1, "intel-hda"); |
| hdabus = QLIST_FIRST(&controller->qdev.child_bus); |
| codec = qdev_create(hdabus, "hda-duplex"); |
| qdev_init_nofail(codec); |
| return 0; |
| } |
| |
