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 * $FreeBSD$
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_ */