1 /* 2 * Copyright 2016 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs <bskeggs@redhat.com> 23 */ 24 #include "gf100.h" 25 #include "ram.h" 26 27 #include <core/memory.h> 28 29 void 30 gp100_fb_init_unkn(struct nvkm_fb *base) 31 { 32 struct nvkm_device *device = gf100_fb(base)->base.subdev.device; 33 nvkm_wr32(device, 0x1fac80, nvkm_rd32(device, 0x100c80)); 34 nvkm_wr32(device, 0x1facc4, nvkm_rd32(device, 0x100cc4)); 35 nvkm_wr32(device, 0x1facc8, nvkm_rd32(device, 0x100cc8)); 36 nvkm_wr32(device, 0x1faccc, nvkm_rd32(device, 0x100ccc)); 37 } 38 39 void 40 gp100_fb_init_remapper(struct nvkm_fb *fb) 41 { 42 struct nvkm_device *device = fb->subdev.device; 43 /* Disable address remapper. */ 44 nvkm_mask(device, 0x100c14, 0x00040000, 0x00000000); 45 } 46 47 void 48 gp100_fb_init(struct nvkm_fb *base) 49 { 50 struct gf100_fb *fb = gf100_fb(base); 51 struct nvkm_device *device = fb->base.subdev.device; 52 53 if (fb->r100c10_page) 54 nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8); 55 56 nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8); 57 nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8); 58 nvkm_mask(device, 0x100cc4, 0x00060000, 59 min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17); 60 } 61 62 static const struct nvkm_fb_func 63 gp100_fb = { 64 .dtor = gf100_fb_dtor, 65 .oneinit = gf100_fb_oneinit, 66 .init = gp100_fb_init, 67 .init_remapper = gp100_fb_init_remapper, 68 .init_page = gm200_fb_init_page, 69 .init_unkn = gp100_fb_init_unkn, 70 .ram_new = gp100_ram_new, 71 }; 72 73 int 74 gp100_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb) 75 { 76 return gf100_fb_new_(&gp100_fb, device, index, pfb); 77 } 78