nv40.c

 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
26void
27nv40_pci_msi_rearm(struct nvkm_pci *pci)
28{
29	nvkm_pci_wr08(pci, 0x0068, 0xff);
30}
31
32static const struct nvkm_pci_func
33nv40_pci_func = {
34	.cfg = { .addr = 0x088000, .size = 0x1000 },
35	.msi_rearm = nv40_pci_msi_rearm,
36};
37
38int
39nv40_pci_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
40	     struct nvkm_pci **ppci)
41{
42	return nvkm_pci_new_(&nv40_pci_func, device, type, inst, ppci);
43}