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
26 static void
gp100_pci_msi_rearm(struct nvkm_pci * pci)27 gp100_pci_msi_rearm(struct nvkm_pci *pci)
28 {
29 nvkm_pci_wr32(pci, 0x0704, 0x00000000);
30 }
31
32 static const struct nvkm_pci_func
33 gp100_pci_func = {
34 .rd32 = nv40_pci_rd32,
35 .wr08 = nv40_pci_wr08,
36 .wr32 = nv40_pci_wr32,
37 .msi_rearm = gp100_pci_msi_rearm,
38 };
39
40 int
gp100_pci_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_pci ** ppci)41 gp100_pci_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
42 struct nvkm_pci **ppci)
43 {
44 return nvkm_pci_new_(&gp100_pci_func, device, type, inst, ppci);
45 }
46