1/*
2 * Copyright 2015 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
23 */
24#include "priv.h"
25
26int
27g92_pcie_version_supported(struct nvkm_pci *pci)
28{
29	if ((nvkm_pci_rd32(pci, 0x460) & 0x200) == 0x200)
30		return 2;
31	return 1;
32}
33
34static const struct nvkm_pci_func
35g92_pci_func = {
36	.init = g84_pci_init,
37	.rd32 = nv40_pci_rd32,
38	.wr08 = nv40_pci_wr08,
39	.wr32 = nv40_pci_wr32,
40	.msi_rearm = nv46_pci_msi_rearm,
41
42	.pcie.init = g84_pcie_init,
43	.pcie.set_link = g84_pcie_set_link,
44
45	.pcie.max_speed = g84_pcie_max_speed,
46	.pcie.cur_speed = g84_pcie_cur_speed,
47
48	.pcie.set_version = g84_pcie_set_version,
49	.pcie.version = g84_pcie_version,
50	.pcie.version_supported = g92_pcie_version_supported,
51};
52
53int
54g92_pci_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
55	    struct nvkm_pci **ppci)
56{
57	return nvkm_pci_new_(&g92_pci_func, device, type, inst, ppci);
58}
59