1 /* 2 * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 * DEALINGS IN THE SOFTWARE. 21 */ 22 #include "gf100.h" 23 24 static int 25 gk20a_fb_init(struct nvkm_object *object) 26 { 27 struct nvkm_fb *fb = (void *)object; 28 struct nvkm_device *device = fb->subdev.device; 29 int ret; 30 31 ret = nvkm_fb_init(fb); 32 if (ret) 33 return ret; 34 35 nvkm_mask(device, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */ 36 return 0; 37 } 38 39 static int 40 gk20a_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 41 struct nvkm_oclass *oclass, void *data, u32 size, 42 struct nvkm_object **pobject) 43 { 44 struct nvkm_fb *fb; 45 int ret; 46 47 ret = nvkm_fb_create(parent, engine, oclass, &fb); 48 *pobject = nv_object(fb); 49 if (ret) 50 return ret; 51 52 return 0; 53 } 54 55 struct nvkm_oclass * 56 gk20a_fb_oclass = &(struct nvkm_fb_impl) { 57 .base.handle = NV_SUBDEV(FB, 0xea), 58 .base.ofuncs = &(struct nvkm_ofuncs) { 59 .ctor = gk20a_fb_ctor, 60 .dtor = _nvkm_fb_dtor, 61 .init = gk20a_fb_init, 62 .fini = _nvkm_fb_fini, 63 }, 64 .memtype = gf100_fb_memtype_valid, 65 }.base; 66