1 /* 2 * Copyright 2012 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 23 */ 24 #include "gf100.h" 25 #include "ram.h" 26 27 #include <core/memory.h> 28 29 int 30 gm200_fb_init_page(struct nvkm_fb *fb) 31 { 32 struct nvkm_device *device = fb->subdev.device; 33 switch (fb->page) { 34 case 16: nvkm_mask(device, 0x100c80, 0x00001801, 0x00001001); break; 35 case 17: nvkm_mask(device, 0x100c80, 0x00001801, 0x00000000); break; 36 case 0: nvkm_mask(device, 0x100c80, 0x00001800, 0x00001800); break; 37 default: 38 return -EINVAL; 39 } 40 return 0; 41 } 42 43 void 44 gm200_fb_init(struct nvkm_fb *base) 45 { 46 struct gf100_fb *fb = gf100_fb(base); 47 struct nvkm_device *device = fb->base.subdev.device; 48 49 if (fb->r100c10_page) 50 nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8); 51 52 nvkm_mask(device, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */ 53 54 nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8); 55 nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8); 56 nvkm_mask(device, 0x100cc4, 0x00060000, 57 min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17); 58 } 59 60 static const struct nvkm_fb_func 61 gm200_fb = { 62 .dtor = gf100_fb_dtor, 63 .oneinit = gf100_fb_oneinit, 64 .init = gm200_fb_init, 65 .init_page = gm200_fb_init_page, 66 .intr = gf100_fb_intr, 67 .ram_new = gm200_ram_new, 68 .default_bigpage = 0 /* per-instance. */, 69 }; 70 71 int 72 gm200_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb) 73 { 74 return gf100_fb_new_(&gm200_fb, device, index, pfb); 75 } 76