18ef24a0dSAdrian Chadd /*- 24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 36e778a7eSPedro F. Giffuni * 48ef24a0dSAdrian Chadd * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org> 58ef24a0dSAdrian Chadd * All rights reserved. 68ef24a0dSAdrian Chadd * 78ef24a0dSAdrian Chadd * Redistribution and use in source and binary forms, with or without 88ef24a0dSAdrian Chadd * modification, are permitted provided that the following conditions 98ef24a0dSAdrian Chadd * are met: 108ef24a0dSAdrian Chadd * 1. Redistributions of source code must retain the above copyright 118ef24a0dSAdrian Chadd * notice, this list of conditions and the following disclaimer, 128ef24a0dSAdrian Chadd * without modification. 138ef24a0dSAdrian Chadd * 2. Redistributions in binary form must reproduce at minimum a disclaimer 148ef24a0dSAdrian Chadd * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 158ef24a0dSAdrian Chadd * redistribution must be conditioned upon including a substantially 168ef24a0dSAdrian Chadd * similar Disclaimer requirement for further binary redistribution. 178ef24a0dSAdrian Chadd * 188ef24a0dSAdrian Chadd * NO WARRANTY 198ef24a0dSAdrian Chadd * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 208ef24a0dSAdrian Chadd * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 218ef24a0dSAdrian Chadd * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 228ef24a0dSAdrian Chadd * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 238ef24a0dSAdrian Chadd * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 248ef24a0dSAdrian Chadd * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 258ef24a0dSAdrian Chadd * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 268ef24a0dSAdrian Chadd * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 278ef24a0dSAdrian Chadd * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 288ef24a0dSAdrian Chadd * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 298ef24a0dSAdrian Chadd * THE POSSIBILITY OF SUCH DAMAGES. 308ef24a0dSAdrian Chadd * 318ef24a0dSAdrian Chadd */ 328ef24a0dSAdrian Chadd 338ef24a0dSAdrian Chadd #ifndef _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ 348ef24a0dSAdrian Chadd #define _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ 358ef24a0dSAdrian Chadd 368ef24a0dSAdrian Chadd /* 378ef24a0dSAdrian Chadd * PCIe-Gen2 Host Bridge definitions. 388ef24a0dSAdrian Chadd */ 398ef24a0dSAdrian Chadd 408ef24a0dSAdrian Chadd #include <sys/param.h> 418ef24a0dSAdrian Chadd #include <sys/bus.h> 428ef24a0dSAdrian Chadd 438ef24a0dSAdrian Chadd #include "bhnd_pcie2_var.h" 448ef24a0dSAdrian Chadd 458ef24a0dSAdrian Chadd DECLARE_CLASS(bhnd_pcie2_hostb_driver); 468ef24a0dSAdrian Chadd 478ef24a0dSAdrian Chadd /* 488ef24a0dSAdrian Chadd * PCIe-Gen2 endpoint-mode device quirks 498ef24a0dSAdrian Chadd */ 508ef24a0dSAdrian Chadd enum { 518ef24a0dSAdrian Chadd /** 528ef24a0dSAdrian Chadd * The PCIe SerDes output should be configured with an amplitude of 538ef24a0dSAdrian Chadd * 1214mVpp and a differential output de-emphasis of -8.46dB. 548ef24a0dSAdrian Chadd * 558ef24a0dSAdrian Chadd * The exact issue this workaround resolves is unknown. 568ef24a0dSAdrian Chadd */ 578ef24a0dSAdrian Chadd BHND_PCIE2_QUIRK_SERDES_TXDRV_DEEMPH = (1<<0), 588ef24a0dSAdrian Chadd }; 598ef24a0dSAdrian Chadd 608ef24a0dSAdrian Chadd /** 618ef24a0dSAdrian Chadd * bhnd_pci_hostb driver instance state. 628ef24a0dSAdrian Chadd */ 638ef24a0dSAdrian Chadd struct bhnd_pcie2hb_softc { 648ef24a0dSAdrian Chadd struct bhnd_pcie2_softc common; /**< common bhnd_pcie2 state */ 658ef24a0dSAdrian Chadd device_t dev; 668ef24a0dSAdrian Chadd device_t pci_dev; /**< host PCI device */ 678ef24a0dSAdrian Chadd uint32_t quirks; /**< hostb device quirks */ 688ef24a0dSAdrian Chadd }; 698ef24a0dSAdrian Chadd 708ef24a0dSAdrian Chadd #endif /* _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ */ 71