| /* |
| * Copyright 2013 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| |
| #include "nv50.h" |
| |
| static int |
| nvaa_ram_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 datasize, |
| struct nouveau_object **pobject) |
| { |
| const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */ |
| const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */ |
| struct nouveau_fb *pfb = nouveau_fb(parent); |
| struct nouveau_ram *ram; |
| int ret; |
| |
| ret = nouveau_ram_create(parent, engine, oclass, &ram); |
| *pobject = nv_object(ram); |
| if (ret) |
| return ret; |
| |
| ram->size = nv_rd32(pfb, 0x10020c); |
| ram->size = (ram->size & 0xffffff00) | ((ram->size & 0x000000ff) << 32); |
| |
| ret = nouveau_mm_init(&pfb->vram, rsvd_head, (ram->size >> 12) - |
| (rsvd_head + rsvd_tail), 1); |
| if (ret) |
| return ret; |
| |
| ram->type = NV_MEM_TYPE_STOLEN; |
| ram->stolen = (u64)nv_rd32(pfb, 0x100e10) << 12; |
| ram->get = nv50_ram_get; |
| ram->put = nv50_ram_put; |
| return 0; |
| } |
| |
| struct nouveau_oclass |
| nvaa_ram_oclass = { |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nvaa_ram_ctor, |
| .dtor = _nouveau_ram_dtor, |
| .init = _nouveau_ram_init, |
| .fini = _nouveau_ram_fini, |
| }, |
| }; |