Date: Sun, 15 May 2016 14:23:52 GMT From: iateaca@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r303017 - soc2016/iateaca/bhyve-hda-head/usr.sbin/bhyve Message-ID: <201605151423.u4FENqFU030339@socsvn.freebsd.org>
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Author: iateaca Date: Sun May 15 14:23:51 2016 New Revision: 303017 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=303017 Log: reset the HDA controller registers when the GCTL_RESET is cleared Modified: soc2016/iateaca/bhyve-hda-head/usr.sbin/bhyve/pci_hda.c Modified: soc2016/iateaca/bhyve-hda-head/usr.sbin/bhyve/pci_hda.c ============================================================================== --- soc2016/iateaca/bhyve-hda-head/usr.sbin/bhyve/pci_hda.c Sun May 15 13:20:59 2016 (r303016) +++ soc2016/iateaca/bhyve-hda-head/usr.sbin/bhyve/pci_hda.c Sun May 15 14:23:51 2016 (r303017) @@ -174,11 +174,17 @@ static void hda_reset_regs(struct hda_softc *sc) { + DPRINTF("Reset the HDA controller registers ...\n"); + memset(sc->regs, 0, sizeof(sc->regs)); - hda_set_reg_by_offset(sc, HDAC_GCAP, 0x4401); - hda_set_reg_by_offset(sc, HDAC_CORBSIZE, 0x42); - hda_set_reg_by_offset(sc, HDAC_RIRBSIZE, 0x42); + hda_set_reg_by_offset(sc, HDAC_GCAP, + HDAC_GCAP_64OK | + (HDA_ISS_NO << HDAC_GCAP_ISS_SHIFT) | + (HDA_OSS_NO << HDAC_GCAP_OSS_SHIFT)); + + hda_set_reg_by_offset(sc, HDAC_CORBSIZE, HDAC_CORBSIZE_CORBSZCAP_256 | HDAC_CORBSIZE_CORBSIZE_256); + hda_set_reg_by_offset(sc, HDAC_RIRBSIZE, HDAC_RIRBSIZE_RIRBSZCAP_256 | HDAC_RIRBSIZE_RIRBSIZE_256); return; } @@ -212,6 +218,12 @@ static void hda_set_gctl(struct hda_softc *sc, uint32_t offset, uint32_t old) { + uint32_t value = sc->regs[offset]; + + if (!(value & HDAC_GCTL_CRST)) { + hda_reset_regs(sc); + } + return; }
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