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
35void
36gk110_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
48const struct nvkm_chan_func
49gk110_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
60static void
61gk110_cgrp_preempt(struct nvkm_cgrp *cgrp)
62{
63	nvkm_wr32(cgrp->runl->fifo->engine.subdev.device, 0x002634, 0x01000000 | cgrp->id);
64}
65
66const struct nvkm_cgrp_func
67gk110_cgrp = {
68	.preempt = gk110_cgrp_preempt,
69};
70
71void
72gk110_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
79const struct nvkm_runl_func
80gk110_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
94int
95gk110_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
106static const struct nvkm_fifo_func
107gk110_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
127int
128gk110_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