static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response) { HDACodecBus *bus = HDA_BUS(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); } } }