1/* $NetBSD: nouveau_engine_perfmon_daemon.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_daemon.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $");
29
30#include "priv.h"
31
32static void
33pwr_perfctr_init(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom,
34 struct nouveau_perfctr *ctr)
35{
36 u32 mask = 0x00000000;
37 u32 ctrl = 0x00000001;
38 int i;
39
40 for (i = 0; i < ARRAY_SIZE(ctr->signal) && ctr->signal[i]; i++)
41 mask |= 1 << (ctr->signal[i] - dom->signal);
42
43 nv_wr32(ppm, 0x10a504 + (ctr->slot * 0x10), mask);
44 nv_wr32(ppm, 0x10a50c + (ctr->slot * 0x10), ctrl);
45 nv_wr32(ppm, 0x10a50c + (ppm->last * 0x10), 0x00000003);
46}
47
48static void
49pwr_perfctr_read(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom,
50 struct nouveau_perfctr *ctr)
51{
52 ctr->ctr = ppm->pwr[ctr->slot];
53 ctr->clk = ppm->pwr[ppm->last];
54}
55
56static void
57pwr_perfctr_next(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom)
58{
59 int i;
60
61 for (i = 0; i <= ppm->last; i++) {
62 ppm->pwr[i] = nv_rd32(ppm, 0x10a508 + (i * 0x10));
63 nv_wr32(ppm, 0x10a508 + (i * 0x10), 0x80000000);
64 }
65}
66
67static const struct nouveau_funcdom
68pwr_perfctr_func = {
69 .init = pwr_perfctr_init,
70 .read = pwr_perfctr_read,
71 .next = pwr_perfctr_next,
72};
73
74const struct nouveau_specdom
75nva3_perfmon_pwr[] = {
76 { 0x20, (const struct nouveau_specsig[]) {
77 { 0x00, "pwr_gr_idle" },
78 { 0x04, "pwr_bsp_idle" },
79 { 0x05, "pwr_vp_idle" },
80 { 0x06, "pwr_ppp_idle" },
81 { 0x13, "pwr_ce0_idle" },
82 {}
83 }, &pwr_perfctr_func },
84 {}
85};
86
87const struct nouveau_specdom
88nvc0_perfmon_pwr[] = {
89 { 0x20, (const struct nouveau_specsig[]) {
90 { 0x00, "pwr_gr_idle" },
91 { 0x04, "pwr_bsp_idle" },
92 { 0x05, "pwr_vp_idle" },
93 { 0x06, "pwr_ppp_idle" },
94 { 0x13, "pwr_ce0_idle" },
95 { 0x14, "pwr_ce1_idle" },
96 {}
97 }, &pwr_perfctr_func },
98 {}
99};
100
101const struct nouveau_specdom
102nve0_perfmon_pwr[] = {
103 { 0x20, (const struct nouveau_specsig[]) {
104 { 0x00, "pwr_gr_idle" },
105 { 0x04, "pwr_bsp_idle" },
106 { 0x05, "pwr_vp_idle" },
107 { 0x06, "pwr_ppp_idle" },
108 { 0x13, "pwr_ce0_idle" },
109 { 0x14, "pwr_ce1_idle" },
110 { 0x15, "pwr_ce2_idle" },
111 {}
112 }, &pwr_perfctr_func },
113 {}
114};
115