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
23 */
24 #include "gk104.h"
25 #include "changk104.h"
26
27 #include <nvif/class.h>
28
29 int
30 gm200_fifo_pbdma_nr(struct gk104_fifo *fifo)
31 {
32 struct nvkm_device *device = fifo->base.engine.subdev.device;
33 return nvkm_rd32(device, 0x002004) & 0x000000ff;
34 }
35
36 const struct gk104_fifo_pbdma_func
37 gm200_fifo_pbdma = {
38 .nr = gm200_fifo_pbdma_nr,
39 .init = gk104_fifo_pbdma_init,
40 .init_timeout = gk208_fifo_pbdma_init_timeout,
41 };
42
43 static const struct gk104_fifo_func
44 gm200_fifo = {
45 .intr.fault = gm107_fifo_intr_fault,
46 .pbdma = &gm200_fifo_pbdma,
47 .fault.access = gk104_fifo_fault_access,
48 .fault.engine = gm107_fifo_fault_engine,
49 .fault.reason = gk104_fifo_fault_reason,
50 .fault.hubclient = gk104_fifo_fault_hubclient,
51 .fault.gpcclient = gk104_fifo_fault_gpcclient,
52 .runlist = &gm107_fifo_runlist,
53 .chan = {{0,0,MAXWELL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
54 };
55
56 int
57 gm200_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
58 {
59 return gk104_fifo_new_(&gm200_fifo, device, index, 4096, pfifo);
60 }