| 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 | |
| 32 | static void |
| 33 | pwr_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 | |
| 48 | static void |
| 49 | pwr_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 | |
| 56 | static void |
| 57 | pwr_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 | |
| 67 | static const struct nouveau_funcdom |
| 68 | pwr_perfctr_func = { |
| 69 | .init = pwr_perfctr_init, |
| 70 | .read = pwr_perfctr_read, |
| 71 | .next = pwr_perfctr_next, |
| 72 | }; |
| 73 | |
| 74 | const struct nouveau_specdom |
| 75 | nva3_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 | |
| 87 | const struct nouveau_specdom |
| 88 | nvc0_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 | |
| 101 | const struct nouveau_specdom |
| 102 | nve0_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 | |