1 /*
2 * Copyright 2018 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 #include "priv.h"
23
24 static void
25 tu102_mc_intr_hack(struct nvkm_mc *mc, bool *handled)
26 {
27 struct nvkm_device *device = mc->subdev.device;
28 u32 stat = nvkm_rd32(device, 0xb81010);
29 if (stat & 0x00000050) {
30 struct nvkm_subdev *subdev =
31 nvkm_device_subdev(device, NVKM_SUBDEV_FAULT);
32 nvkm_wr32(device, 0xb81010, stat & 0x00000050);
33 if (subdev)
34 nvkm_subdev_intr(subdev);
35 *handled = true;
36 }
37 }
38
39 static const struct nvkm_mc_func
40 tu102_mc = {
41 .init = nv50_mc_init,
42 .intr = gp100_mc_intr,
43 .intr_unarm = gp100_mc_intr_unarm,
44 .intr_rearm = gp100_mc_intr_rearm,
45 .intr_mask = gp100_mc_intr_mask,
46 .intr_stat = gf100_mc_intr_stat,
47 .intr_hack = tu102_mc_intr_hack,
48 .reset = gk104_mc_reset,
49 };
50
51 int
52 tu102_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
53 {
54 return gp100_mc_new_(&tu102_mc, device, index, pmc);
55 }