| /* |
| * Copyright (C) 2010 Francisco Jerez. |
| * All Rights Reserved. |
| * |
| * 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 (including the |
| * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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. |
| * |
| */ |
| #include "priv.h" |
| #include "ram.h" |
| |
| void |
| nv10_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch, |
| u32 flags, struct nvkm_fb_tile *tile) |
| { |
| tile->addr = 0x80000000 | addr; |
| tile->limit = max(1u, addr + size) - 1; |
| tile->pitch = pitch; |
| } |
| |
| void |
| nv10_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) |
| { |
| tile->addr = 0; |
| tile->limit = 0; |
| tile->pitch = 0; |
| tile->zcomp = 0; |
| } |
| |
| void |
| nv10_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) |
| { |
| struct nvkm_device *device = fb->subdev.device; |
| nvkm_wr32(device, 0x100244 + (i * 0x10), tile->limit); |
| nvkm_wr32(device, 0x100248 + (i * 0x10), tile->pitch); |
| nvkm_wr32(device, 0x100240 + (i * 0x10), tile->addr); |
| nvkm_rd32(device, 0x100240 + (i * 0x10)); |
| } |
| |
| static const struct nvkm_fb_func |
| nv10_fb = { |
| .tile.regions = 8, |
| .tile.init = nv10_fb_tile_init, |
| .tile.fini = nv10_fb_tile_fini, |
| .tile.prog = nv10_fb_tile_prog, |
| .ram_new = nv10_ram_new, |
| }; |
| |
| int |
| nv10_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb) |
| { |
| return nvkm_fb_new_(&nv10_fb, device, index, pfb); |
| } |