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_runq_nr(struct nvkm_fifo *fifo)
31 {
32 	return nvkm_rd32(fifo->engine.subdev.device, 0x002004) & 0x000000ff;
33 }
34 
35 int
36 gm200_fifo_chid_nr(struct nvkm_fifo *fifo)
37 {
38 	return nvkm_rd32(fifo->engine.subdev.device, 0x002008);
39 }
40 
41 static const struct nvkm_fifo_func
42 gm200_fifo = {
43 	.dtor = gk104_fifo_dtor,
44 	.oneinit = gk104_fifo_oneinit,
45 	.chid_nr = gm200_fifo_chid_nr,
46 	.chid_ctor = gk110_fifo_chid_ctor,
47 	.runq_nr = gm200_fifo_runq_nr,
48 	.runl_ctor = gk104_fifo_runl_ctor,
49 	.init = gk104_fifo_init,
50 	.init_pbdmas = gk104_fifo_init_pbdmas,
51 	.intr = gk104_fifo_intr,
52 	.intr_mmu_fault_unit = gm107_fifo_intr_mmu_fault_unit,
53 	.intr_ctxsw_timeout = gf100_fifo_intr_ctxsw_timeout,
54 	.mmu_fault = &gm107_fifo_mmu_fault,
55 	.engine_id = gk104_fifo_engine_id,
56 	.runlist = &gm107_fifo_runlist,
57 	.nonstall = &gf100_fifo_nonstall,
58 	.runl = &gm107_runl,
59 	.runq = &gk208_runq,
60 	.engn = &gk104_engn,
61 	.engn_ce = &gk104_engn_ce,
62 	.cgrp = {{ 0, 0,  KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp },
63 	.chan = {{ 0, 0, MAXWELL_CHANNEL_GPFIFO_A }, &gm107_chan, .ctor = &gk104_fifo_gpfifo_new },
64 };
65 
66 int
67 gm200_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
68 	       struct nvkm_fifo **pfifo)
69 {
70 	return gk104_fifo_new_(&gm200_fifo, device, type, inst, 0, pfifo);
71 }
72