1 /*
2 * Copyright (C) 2010 Francisco Jerez.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26 #include "priv.h"
27 #include "ram.h"
28
29 void
30 nv10_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
31 u32 flags, struct nvkm_fb_tile *tile)
32 {
33 tile->addr = 0x80000000 | addr;
34 tile->limit = max(1u, addr + size) - 1;
35 tile->pitch = pitch;
36 }
37
38 void
39 nv10_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
40 {
41 tile->addr = 0;
42 tile->limit = 0;
43 tile->pitch = 0;
44 tile->zcomp = 0;
45 }
46
47 void
48 nv10_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
49 {
50 struct nvkm_device *device = fb->subdev.device;
51 nvkm_wr32(device, 0x100244 + (i * 0x10), tile->limit);
52 nvkm_wr32(device, 0x100248 + (i * 0x10), tile->pitch);
53 nvkm_wr32(device, 0x100240 + (i * 0x10), tile->addr);
54 nvkm_rd32(device, 0x100240 + (i * 0x10));
55 }
56
57 static const struct nvkm_fb_func
58 nv10_fb = {
59 .tile.regions = 8,
60 .tile.init = nv10_fb_tile_init,
61 .tile.fini = nv10_fb_tile_fini,
62 .tile.prog = nv10_fb_tile_prog,
63 .ram_new = nv10_ram_new,
64 };
65
66 int
67 nv10_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
68 {
69 return nvkm_fb_new_(&nv10_fb, device, index, pfb);
70 }