bhnd_pcie2_hostbvar.h revision 302408
1/*- 2 * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13 * redistribution must be conditioned upon including a substantially 14 * similar Disclaimer requirement for further binary redistribution. 15 * 16 * NO WARRANTY 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 * 29 * $FreeBSD: stable/11/sys/dev/bhnd/cores/pcie2/bhnd_pcie2_hostbvar.h 300015 2016-05-17 06:52:53Z adrian $ 30 */ 31 32#ifndef _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ 33#define _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ 34 35/* 36 * PCIe-Gen2 Host Bridge definitions. 37 */ 38 39#include <sys/param.h> 40#include <sys/bus.h> 41 42#include "bhnd_pcie2_var.h" 43 44DECLARE_CLASS(bhnd_pcie2_hostb_driver); 45 46 47/* 48 * PCIe-Gen2 endpoint-mode device quirks 49 */ 50enum { 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/** 62 * bhnd_pci_hostb driver instance state. 63 */ 64struct bhnd_pcie2hb_softc { 65 struct bhnd_pcie2_softc common; /**< common bhnd_pcie2 state */ 66 device_t dev; 67 device_t pci_dev; /**< host PCI device */ 68 uint32_t quirks; /**< hostb device quirks */ 69}; 70 71 72#endif /* _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ */