2 * Copyright 2013 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
27 nv49_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
28 struct nvkm_oclass *oclass, void *data, u32 size,
29 struct nvkm_object **pobject)
31 struct nvkm_fb *fb = nvkm_fb(parent);
33 struct nvkm_device *device = fb->subdev.device;
34 u32 fb914 = nvkm_rd32(device, 0x100914);
37 ret = nvkm_ram_create(parent, engine, oclass, &ram);
38 *pobject = nv_object(ram);
42 switch (fb914 & 0x00000003) {
43 case 0x00000000: ram->base.type = NV_MEM_TYPE_DDR1; break;
44 case 0x00000001: ram->base.type = NV_MEM_TYPE_DDR2; break;
45 case 0x00000002: ram->base.type = NV_MEM_TYPE_GDDR3; break;
46 case 0x00000003: break;
49 ram->base.size = nvkm_rd32(device, 0x10020c) & 0xff000000;
50 ram->base.parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
51 ram->base.tags = nvkm_rd32(device, 0x100320);
52 ram->base.calc = nv40_ram_calc;
53 ram->base.prog = nv40_ram_prog;
54 ram->base.tidy = nv40_ram_tidy;
61 .ofuncs = &(struct nvkm_ofuncs) {
62 .ctor = nv49_ram_create,
63 .dtor = _nvkm_ram_dtor,
64 .init = _nvkm_ram_init,
65 .fini = _nvkm_ram_fini,