1c39f472eSBen Skeggs /* 2c39f472eSBen Skeggs * Copyright 2013 Red Hat Inc. 3c39f472eSBen Skeggs * 4c39f472eSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 5c39f472eSBen Skeggs * copy of this software and associated documentation files (the "Software"), 6c39f472eSBen Skeggs * to deal in the Software without restriction, including without limitation 7c39f472eSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8c39f472eSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 9c39f472eSBen Skeggs * Software is furnished to do so, subject to the following conditions: 10c39f472eSBen Skeggs * 11c39f472eSBen Skeggs * The above copyright notice and this permission notice shall be included in 12c39f472eSBen Skeggs * all copies or substantial portions of the Software. 13c39f472eSBen Skeggs * 14c39f472eSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15c39f472eSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16c39f472eSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17c39f472eSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18c39f472eSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19c39f472eSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20c39f472eSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 21c39f472eSBen Skeggs * 22c39f472eSBen Skeggs * Authors: Ben Skeggs 23c39f472eSBen Skeggs */ 24c39f472eSBen Skeggs #include "nv40.h" 25c39f472eSBen Skeggs 26c39f472eSBen Skeggs static int 27639c308eSBen Skeggs nv49_ram_create(struct nvkm_object *parent, struct nvkm_object *engine, 28639c308eSBen Skeggs struct nvkm_oclass *oclass, void *data, u32 size, 29639c308eSBen Skeggs struct nvkm_object **pobject) 30c39f472eSBen Skeggs { 31b1e4553cSBen Skeggs struct nvkm_fb *fb = nvkm_fb(parent); 32c39f472eSBen Skeggs struct nv40_ram *ram; 336758745bSBen Skeggs struct nvkm_device *device = fb->subdev.device; 346758745bSBen Skeggs u32 fb914 = nvkm_rd32(device, 0x100914); 35c39f472eSBen Skeggs int ret; 36c39f472eSBen Skeggs 37639c308eSBen Skeggs ret = nvkm_ram_create(parent, engine, oclass, &ram); 38c39f472eSBen Skeggs *pobject = nv_object(ram); 39c39f472eSBen Skeggs if (ret) 40c39f472eSBen Skeggs return ret; 41c39f472eSBen Skeggs 42b1e4553cSBen Skeggs switch (fb914 & 0x00000003) { 43c39f472eSBen Skeggs case 0x00000000: ram->base.type = NV_MEM_TYPE_DDR1; break; 44c39f472eSBen Skeggs case 0x00000001: ram->base.type = NV_MEM_TYPE_DDR2; break; 45c39f472eSBen Skeggs case 0x00000002: ram->base.type = NV_MEM_TYPE_GDDR3; break; 46c39f472eSBen Skeggs case 0x00000003: break; 47c39f472eSBen Skeggs } 48c39f472eSBen Skeggs 496758745bSBen Skeggs ram->base.size = nvkm_rd32(device, 0x10020c) & 0xff000000; 506758745bSBen Skeggs ram->base.parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1; 516758745bSBen Skeggs ram->base.tags = nvkm_rd32(device, 0x100320); 52c39f472eSBen Skeggs ram->base.calc = nv40_ram_calc; 53c39f472eSBen Skeggs ram->base.prog = nv40_ram_prog; 54c39f472eSBen Skeggs ram->base.tidy = nv40_ram_tidy; 55c39f472eSBen Skeggs return 0; 56c39f472eSBen Skeggs } 57c39f472eSBen Skeggs 58639c308eSBen Skeggs struct nvkm_oclass 59c39f472eSBen Skeggs nv49_ram_oclass = { 60c39f472eSBen Skeggs .handle = 0, 61639c308eSBen Skeggs .ofuncs = &(struct nvkm_ofuncs) { 62c39f472eSBen Skeggs .ctor = nv49_ram_create, 63639c308eSBen Skeggs .dtor = _nvkm_ram_dtor, 64639c308eSBen Skeggs .init = _nvkm_ram_init, 65639c308eSBen Skeggs .fini = _nvkm_ram_fini, 66c39f472eSBen Skeggs } 67c39f472eSBen Skeggs }; 68