1121934Sharti/* $NetBSD: nouveau_nvkm_subdev_mmu_memnv50.c,v 1.3 2021/12/19 10:51:58 riastradh Exp $ */ 2121934Sharti 3121934Sharti/* 4121934Sharti * Copyright 2017 Red Hat Inc. 5121934Sharti * 6121934Sharti * Permission is hereby granted, free of charge, to any person obtaining a 7121934Sharti * copy of this software and associated documentation files (the "Software"), 8121934Sharti * to deal in the Software without restriction, including without limitation 9121934Sharti * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10121934Sharti * and/or sell copies of the Software, and to permit persons to whom the 11121934Sharti * Software is furnished to do so, subject to the following conditions: 12121934Sharti * 13121934Sharti * The above copyright notice and this permission notice shall be included in 14121934Sharti * all copies or substantial portions of the Software. 15121934Sharti * 16121934Sharti * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17121934Sharti * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18121934Sharti * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19121934Sharti * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20121934Sharti * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21121934Sharti * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22121934Sharti * OTHER DEALINGS IN THE SOFTWARE. 23121934Sharti */ 24121934Sharti#include <sys/cdefs.h> 25121934Sharti__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_mmu_memnv50.c,v 1.3 2021/12/19 10:51:58 riastradh Exp $"); 26121934Sharti 27121934Sharti#include "mem.h" 28121934Sharti 29131826Sharti#include <core/memory.h> 30121934Sharti#include <subdev/bar.h> 31121934Sharti#include <subdev/fb.h> 32121934Sharti 33121934Sharti#include <nvif/class.h> 34121934Sharti#include <nvif/if500b.h> 35121934Sharti#include <nvif/if500d.h> 36121934Sharti#include <nvif/unpack.h> 37121934Sharti 38121934Shartiint 39121934Sharti#ifdef __NetBSD__ 40121934Shartinv50_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv, 41121934Sharti u32 argc, bus_space_tag_t *ptag, u64 *paddr, u64 *psize, struct nvkm_vma **pvma) 42121934Sharti#else 43121934Shartinv50_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv, 44121934Sharti u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma) 45121934Sharti#endif 46121934Sharti{ 47121934Sharti struct nv50_vmm_map_v0 uvmm = {}; 48121934Sharti union { 49121934Sharti struct nv50_mem_map_vn vn; 50121934Sharti struct nv50_mem_map_v0 v0; 51121934Sharti } *args = argv; 52121934Sharti struct nvkm_device *device = mmu->subdev.device; 53121934Sharti struct nvkm_vmm *bar = nvkm_bar_bar1_vmm(device); 54121934Sharti u64 size = nvkm_memory_size(memory); 55121934Sharti int ret = -ENOSYS; 56121934Sharti 57121934Sharti if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { 58121934Sharti uvmm.ro = args->v0.ro; 59121934Sharti uvmm.kind = args->v0.kind; 60121934Sharti uvmm.comp = args->v0.comp; 61121934Sharti } else 62121934Sharti if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) { 63121934Sharti } else 64121934Sharti return ret; 65121934Sharti 66121934Sharti ret = nvkm_vmm_get(bar, 12, size, pvma); 67121934Sharti if (ret) 68121934Sharti return ret; 69121934Sharti 70121934Sharti#ifdef __NetBSD__ 71121934Sharti *ptag = device->func->resource_tag(device, 1); 72121934Sharti#endif 73121934Sharti *paddr = device->func->resource_addr(device, 1) + (*pvma)->addr; 74121934Sharti *psize = (*pvma)->size; 75121934Sharti return nvkm_memory_map(memory, 0, bar, *pvma, &uvmm, sizeof(uvmm)); 76121934Sharti} 77121934Sharti 78121934Shartiint 79121934Shartinv50_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size, 80121934Sharti void *argv, u32 argc, struct nvkm_memory **pmemory) 81121934Sharti{ 82121934Sharti union { 83121934Sharti struct nv50_mem_vn vn; 84121934Sharti struct nv50_mem_v0 v0; 85121934Sharti } *args = argv; 86121934Sharti int ret = -ENOSYS; 87121934Sharti bool contig; 88121934Sharti 89121934Sharti if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { 90121934Sharti type = args->v0.bankswz ? 0x02 : 0x01; 91121934Sharti contig = args->v0.contig; 92121934Sharti } else 93121934Sharti if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) { 94121934Sharti type = 0x01; 95121934Sharti contig = false; 96121934Sharti } else 97121934Sharti return -ENOSYS; 98121934Sharti 99121934Sharti return nvkm_ram_get(mmu->subdev.device, NVKM_RAM_MM_NORMAL, type, 100121934Sharti page, size, contig, false, pmemory); 101121934Sharti} 102121934Sharti