1/* $NetBSD: nouveau_nvkm_subdev_pmu_gk104.c,v 1.3 2021/12/18 23:45:41 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#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_pmu_gk104.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $"); 28 29#define gf119_pmu_code gk104_pmu_code 30#define gf119_pmu_data gk104_pmu_data 31#include "priv.h" 32#include "fuc/gf119.fuc4.h" 33 34#include <core/option.h> 35#include <subdev/fuse.h> 36#include <subdev/timer.h> 37 38static void 39magic_(struct nvkm_device *device, u32 ctrl, int size) 40{ 41 nvkm_wr32(device, 0x00c800, 0x00000000); 42 nvkm_wr32(device, 0x00c808, 0x00000000); 43 nvkm_wr32(device, 0x00c800, ctrl); 44 nvkm_msec(device, 2000, 45 if (nvkm_rd32(device, 0x00c800) & 0x40000000) { 46 while (size--) 47 nvkm_wr32(device, 0x00c804, 0x00000000); 48 break; 49 } 50 ); 51 nvkm_wr32(device, 0x00c800, 0x00000000); 52} 53 54static void 55magic(struct nvkm_device *device, u32 ctrl) 56{ 57 magic_(device, 0x8000a41f | ctrl, 6); 58 magic_(device, 0x80000421 | ctrl, 1); 59} 60 61static void 62gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable) 63{ 64 struct nvkm_device *device = pmu->subdev.device; 65 66 if (!(nvkm_fuse_read(device->fuse, 0x31c) & 0x00000001)) 67 return; 68 69 nvkm_mask(device, 0x000200, 0x00001000, 0x00000000); 70 nvkm_rd32(device, 0x000200); 71 nvkm_mask(device, 0x000200, 0x08000000, 0x08000000); 72 msleep(50); 73 74 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000002); 75 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001); 76 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000); 77 78 nvkm_mask(device, 0x020004, 0xc0000000, enable ? 0xc0000000 : 0x40000000); 79 msleep(50); 80 81 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000000); 82 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001); 83 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000); 84 85 nvkm_mask(device, 0x000200, 0x08000000, 0x00000000); 86 nvkm_mask(device, 0x000200, 0x00001000, 0x00001000); 87 nvkm_rd32(device, 0x000200); 88 89 if (nvkm_boolopt(device->cfgopt, "War00C800_0", true)) { 90 switch (device->chipset) { 91 case 0xe4: 92 magic(device, 0x04000000); 93 magic(device, 0x06000000); 94 magic(device, 0x0c000000); 95 magic(device, 0x0e000000); 96 break; 97 case 0xe6: 98 magic(device, 0x02000000); 99 magic(device, 0x04000000); 100 magic(device, 0x0a000000); 101 break; 102 case 0xe7: 103 magic(device, 0x02000000); 104 break; 105 default: 106 break; 107 } 108 } 109} 110 111static const struct nvkm_pmu_func 112gk104_pmu = { 113 .flcn = >215_pmu_flcn, 114 .code.data = gk104_pmu_code, 115 .code.size = sizeof(gk104_pmu_code), 116 .data.data = gk104_pmu_data, 117 .data.size = sizeof(gk104_pmu_data), 118 .enabled = gf100_pmu_enabled, 119 .reset = gf100_pmu_reset, 120 .init = gt215_pmu_init, 121 .fini = gt215_pmu_fini, 122 .intr = gt215_pmu_intr, 123 .send = gt215_pmu_send, 124 .recv = gt215_pmu_recv, 125 .pgob = gk104_pmu_pgob, 126}; 127 128static const struct nvkm_pmu_fwif 129gk104_pmu_fwif[] = { 130 { -1, gf100_pmu_nofw, &gk104_pmu }, 131 {} 132}; 133 134int 135gk104_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu) 136{ 137 return nvkm_pmu_new_(gk104_pmu_fwif, device, index, ppmu); 138} 139