1/* $NetBSD: nouveau_engine_perfmon_nvc0.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $ */
2
3/*
4 * Copyright 2013 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26
27#include <sys/cdefs.h>
28__KERNEL_RCSID(0, "$NetBSD: nouveau_engine_perfmon_nvc0.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $");
29
30#include "nvc0.h"
31
32/*******************************************************************************
33 * Perfmon object classes
34 ******************************************************************************/
35
36/*******************************************************************************
37 * PPM context
38 ******************************************************************************/
39
40/*******************************************************************************
41 * PPM engine/subdev functions
42 ******************************************************************************/
43
44static const struct nouveau_specdom
45nvc0_perfmon_hub[] = {
46 {}
47};
48
49static const struct nouveau_specdom
50nvc0_perfmon_gpc[] = {
51 {}
52};
53
54static const struct nouveau_specdom
55nvc0_perfmon_part[] = {
56 {}
57};
58
59static void
60nvc0_perfctr_init(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom,
61 struct nouveau_perfctr *ctr)
62{
63 struct nvc0_perfmon_priv *priv = (void *)ppm;
64 struct nvc0_perfmon_cntr *cntr = (void *)ctr;
65 u32 log = ctr->logic_op;
66 u32 src = 0x00000000;
67 int i;
68
69 for (i = 0; i < 4 && ctr->signal[i]; i++)
70 src |= (ctr->signal[i] - dom->signal) << (i * 8);
71
72 nv_wr32(priv, dom->addr + 0x09c, 0x00040002);
73 nv_wr32(priv, dom->addr + 0x100, 0x00000000);
74 nv_wr32(priv, dom->addr + 0x040 + (cntr->base.slot * 0x08), src);
75 nv_wr32(priv, dom->addr + 0x044 + (cntr->base.slot * 0x08), log);
76}
77
78static void
79nvc0_perfctr_read(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom,
80 struct nouveau_perfctr *ctr)
81{
82 struct nvc0_perfmon_priv *priv = (void *)ppm;
83 struct nvc0_perfmon_cntr *cntr = (void *)ctr;
84
85 switch (cntr->base.slot) {
86 case 0: cntr->base.ctr = nv_rd32(priv, dom->addr + 0x08c); break;
87 case 1: cntr->base.ctr = nv_rd32(priv, dom->addr + 0x088); break;
88 case 2: cntr->base.ctr = nv_rd32(priv, dom->addr + 0x080); break;
89 case 3: cntr->base.ctr = nv_rd32(priv, dom->addr + 0x090); break;
90 }
91 cntr->base.clk = nv_rd32(priv, dom->addr + 0x070);
92}
93
94static void
95nvc0_perfctr_next(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom)
96{
97 struct nvc0_perfmon_priv *priv = (void *)ppm;
98 nv_wr32(priv, dom->addr + 0x06c, dom->signal_nr - 0x40 + 0x27);
99 nv_wr32(priv, dom->addr + 0x0ec, 0x00000011);
100}
101
102const struct nouveau_funcdom
103nvc0_perfctr_func = {
104 .init = nvc0_perfctr_init,
105 .read = nvc0_perfctr_read,
106 .next = nvc0_perfctr_next,
107};
108
109int
110nvc0_perfmon_fini(struct nouveau_object *object, bool suspend)
111{
112 struct nvc0_perfmon_priv *priv = (void *)object;
113 nv_mask(priv, 0x000200, 0x10000000, 0x00000000);
114 nv_mask(priv, 0x000200, 0x10000000, 0x10000000);
115 return nouveau_perfmon_fini(&priv->base, suspend);
116}
117
118static int
119nvc0_perfmon_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
120 struct nouveau_oclass *oclass, void *data, u32 size,
121 struct nouveau_object **pobject)
122{
123 struct nvc0_perfmon_priv *priv;
124 u32 mask;
125 int ret;
126
127 ret = nouveau_perfmon_create(parent, engine, oclass, &priv);
128 *pobject = nv_object(priv);
129 if (ret)
130 return ret;
131
132 ret = nouveau_perfdom_new(&priv->base, "pwr", 0, 0, 0, 0,
133 nvc0_perfmon_pwr);
134 if (ret)
135 return ret;
136
137 /* HUB */
138 ret = nouveau_perfdom_new(&priv->base, "hub", 0, 0x1b0000, 0, 0x200,
139 nvc0_perfmon_hub);
140 if (ret)
141 return ret;
142
143 /* GPC */
144 mask = (1 << nv_rd32(priv, 0x022430)) - 1;
145 mask &= ~nv_rd32(priv, 0x022504);
146 mask &= ~nv_rd32(priv, 0x022584);
147
148 ret = nouveau_perfdom_new(&priv->base, "gpc", mask, 0x180000,
149 0x1000, 0x200, nvc0_perfmon_gpc);
150 if (ret)
151 return ret;
152
153 /* PART */
154 mask = (1 << nv_rd32(priv, 0x022438)) - 1;
155 mask &= ~nv_rd32(priv, 0x022548);
156 mask &= ~nv_rd32(priv, 0x0225c8);
157
158 ret = nouveau_perfdom_new(&priv->base, "part", mask, 0x1a0000,
159 0x1000, 0x200, nvc0_perfmon_part);
160 if (ret)
161 return ret;
162
163 nv_engine(priv)->cclass = &nouveau_perfmon_cclass;
164 nv_engine(priv)->sclass = nouveau_perfmon_sclass;
165 priv->base.last = 7;
166 return 0;
167}
168
169struct nouveau_oclass
170nvc0_perfmon_oclass = {
171 .handle = NV_ENGINE(PERFMON, 0xc0),
172 .ofuncs = &(struct nouveau_ofuncs) {
173 .ctor = nvc0_perfmon_ctor,
174 .dtor = _nouveau_perfmon_dtor,
175 .init = _nouveau_perfmon_init,
176 .fini = nvc0_perfmon_fini,
177 },
178};
179