1/* $NetBSD: nouveau_nvkm_subdev_devinit_g98.c,v 1.3 2021/12/18 23:45:39 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_devinit_g98.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $"); 28 29#include "nv50.h" 30 31#include <subdev/bios.h> 32#include <subdev/bios/init.h> 33 34static u64 35g98_devinit_disable(struct nvkm_devinit *init) 36{ 37 struct nvkm_device *device = init->subdev.device; 38 u32 r001540 = nvkm_rd32(device, 0x001540); 39 u32 r00154c = nvkm_rd32(device, 0x00154c); 40 u64 disable = 0ULL; 41 42 if (!(r001540 & 0x40000000)) { 43 disable |= (1ULL << NVKM_ENGINE_MSPDEC); 44 disable |= (1ULL << NVKM_ENGINE_MSVLD); 45 disable |= (1ULL << NVKM_ENGINE_MSPPP); 46 } 47 48 if (!(r00154c & 0x00000004)) 49 disable |= (1ULL << NVKM_ENGINE_DISP); 50 if (!(r00154c & 0x00000020)) 51 disable |= (1ULL << NVKM_ENGINE_MSVLD); 52 if (!(r00154c & 0x00000040)) 53 disable |= (1ULL << NVKM_ENGINE_SEC); 54 55 return disable; 56} 57 58static const struct nvkm_devinit_func 59g98_devinit = { 60 .preinit = nv50_devinit_preinit, 61 .init = nv50_devinit_init, 62 .post = nv04_devinit_post, 63 .pll_set = nv50_devinit_pll_set, 64 .disable = g98_devinit_disable, 65}; 66 67int 68g98_devinit_new(struct nvkm_device *device, int index, 69 struct nvkm_devinit **pinit) 70{ 71 return nv50_devinit_new_(&g98_devinit, device, index, pinit); 72} 73