1 /*
2 * Copyright 2016 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 "priv.h"
25 #include "cgrp.h"
26 #include "chan.h"
27 #include "chid.h"
28 #include "runl.h"
29
30 #include <core/memory.h>
31 #include <subdev/timer.h>
32
33 #include <nvif/class.h>
34
35 void
gk110_chan_preempt(struct nvkm_chan * chan)36 gk110_chan_preempt(struct nvkm_chan *chan)
37 {
38 struct nvkm_cgrp *cgrp = chan->cgrp;
39
40 if (cgrp->hw) {
41 cgrp->func->preempt(cgrp);
42 return;
43 }
44
45 gf100_chan_preempt(chan);
46 }
47
48 const struct nvkm_chan_func
49 gk110_chan = {
50 .inst = &gf100_chan_inst,
51 .userd = &gk104_chan_userd,
52 .ramfc = &gk104_chan_ramfc,
53 .bind = gk104_chan_bind,
54 .unbind = gk104_chan_unbind,
55 .start = gk104_chan_start,
56 .stop = gk104_chan_stop,
57 .preempt = gk110_chan_preempt,
58 };
59
60 static void
gk110_cgrp_preempt(struct nvkm_cgrp * cgrp)61 gk110_cgrp_preempt(struct nvkm_cgrp *cgrp)
62 {
63 nvkm_wr32(cgrp->runl->fifo->engine.subdev.device, 0x002634, 0x01000000 | cgrp->id);
64 }
65
66 const struct nvkm_cgrp_func
67 gk110_cgrp = {
68 .preempt = gk110_cgrp_preempt,
69 };
70
71 void
gk110_runl_insert_cgrp(struct nvkm_cgrp * cgrp,struct nvkm_memory * memory,u64 offset)72 gk110_runl_insert_cgrp(struct nvkm_cgrp *cgrp, struct nvkm_memory *memory, u64 offset)
73 {
74 nvkm_wo32(memory, offset + 0, (cgrp->chan_nr << 26) | (128 << 18) |
75 (3 << 14) | 0x00002000 | cgrp->id);
76 nvkm_wo32(memory, offset + 4, 0x00000000);
77 }
78
79 const struct nvkm_runl_func
80 gk110_runl = {
81 .size = 8,
82 .update = nv50_runl_update,
83 .insert_cgrp = gk110_runl_insert_cgrp,
84 .insert_chan = gk104_runl_insert_chan,
85 .commit = gk104_runl_commit,
86 .wait = nv50_runl_wait,
87 .pending = gk104_runl_pending,
88 .block = gk104_runl_block,
89 .allow = gk104_runl_allow,
90 .fault_clear = gk104_runl_fault_clear,
91 .preempt_pending = gf100_runl_preempt_pending,
92 };
93
94 int
gk110_fifo_chid_ctor(struct nvkm_fifo * fifo,int nr)95 gk110_fifo_chid_ctor(struct nvkm_fifo *fifo, int nr)
96 {
97 int ret;
98
99 ret = nvkm_chid_new(&nvkm_chan_event, &fifo->engine.subdev, nr, 0, nr, &fifo->cgid);
100 if (ret)
101 return ret;
102
103 return gf100_fifo_chid_ctor(fifo, nr);
104 }
105
106 static const struct nvkm_fifo_func
107 gk110_fifo = {
108 .chid_nr = gk104_fifo_chid_nr,
109 .chid_ctor = gk110_fifo_chid_ctor,
110 .runq_nr = gf100_fifo_runq_nr,
111 .runl_ctor = gk104_fifo_runl_ctor,
112 .init = gk104_fifo_init,
113 .init_pbdmas = gk104_fifo_init_pbdmas,
114 .intr = gk104_fifo_intr,
115 .intr_mmu_fault_unit = gf100_fifo_intr_mmu_fault_unit,
116 .intr_ctxsw_timeout = gf100_fifo_intr_ctxsw_timeout,
117 .mmu_fault = &gk104_fifo_mmu_fault,
118 .nonstall = &gf100_fifo_nonstall,
119 .runl = &gk110_runl,
120 .runq = &gk104_runq,
121 .engn = &gk104_engn,
122 .engn_ce = &gk104_engn_ce,
123 .cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A }, &gk110_cgrp },
124 .chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_B }, &gk110_chan },
125 };
126
127 int
gk110_fifo_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fifo ** pfifo)128 gk110_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
129 struct nvkm_fifo **pfifo)
130 {
131 return nvkm_fifo_new_(&gk110_fifo, device, type, inst, pfifo);
132 }
133