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
29void
30nv40_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
31		  struct nvkm_fb_tile *tile)
32{
33	u32 tiles = DIV_ROUND_UP(size, 0x80);
34	u32 tags  = round_up(tiles / fb->ram->parts, 0x100);
35	if ( (flags & 2) &&
36	    !nvkm_mm_head(&fb->tags.mm, 0, 1, tags, tags, 1, &tile->tag)) {
37		tile->zcomp  = 0x28000000; /* Z24S8_SPLIT_GRAD */
38		tile->zcomp |= ((tile->tag->offset           ) >> 8);
39		tile->zcomp |= ((tile->tag->offset + tags - 1) >> 8) << 13;
40#ifdef __BIG_ENDIAN
41		tile->zcomp |= 0x40000000;
42#endif
43	}
44}
45
46static void
47nv40_fb_init(struct nvkm_fb *fb)
48{
49	nvkm_mask(fb->subdev.device, 0x10033c, 0x00008000, 0x00000000);
50}
51
52static const struct nvkm_fb_func
53nv40_fb = {
54	.tags = nv20_fb_tags,
55	.init = nv40_fb_init,
56	.tile.regions = 8,
57	.tile.init = nv30_fb_tile_init,
58	.tile.comp = nv40_fb_tile_comp,
59	.tile.fini = nv20_fb_tile_fini,
60	.tile.prog = nv20_fb_tile_prog,
61	.ram_new = nv40_ram_new,
62};
63
64int
65nv40_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
66{
67	return nvkm_fb_new_(&nv40_fb, device, type, inst, pfb);
68}
69