1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification. 13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 15 * redistribution must be conditioned upon including a substantially 16 * similar Disclaimer requirement for further binary redistribution. 17 * 18 * NO WARRANTY 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 22 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 23 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 24 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 27 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29 * THE POSSIBILITY OF SUCH DAMAGES. 30 * 31 */ 32 33 #ifndef _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ 34 #define _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ 35 36 /* 37 * PCIe-Gen2 Host Bridge definitions. 38 */ 39 40 #include <sys/param.h> 41 #include <sys/bus.h> 42 43 #include "bhnd_pcie2_var.h" 44 45 DECLARE_CLASS(bhnd_pcie2_hostb_driver); 46 47 /* 48 * PCIe-Gen2 endpoint-mode device quirks 49 */ 50 enum { 51 /** 52 * The PCIe SerDes output should be configured with an amplitude of 53 * 1214mVpp and a differential output de-emphasis of -8.46dB. 54 * 55 * The exact issue this workaround resolves is unknown. 56 */ 57 BHND_PCIE2_QUIRK_SERDES_TXDRV_DEEMPH = (1<<0), 58 }; 59 60 /** 61 * bhnd_pci_hostb driver instance state. 62 */ 63 struct bhnd_pcie2hb_softc { 64 struct bhnd_pcie2_softc common; /**< common bhnd_pcie2 state */ 65 device_t dev; 66 device_t pci_dev; /**< host PCI device */ 67 uint32_t quirks; /**< hostb device quirks */ 68 }; 69 70 #endif /* _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ */ 71