1/* $NetBSD: nouveau_subdev_fb_nv36.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $ */
2
3/*
4 * Copyright (C) 2010 Francisco Jerez.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial
17 * portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_fb_nv36.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $");
31
32#include "nv04.h"
33
34static void
35nv36_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
36 struct nouveau_fb_tile *tile)
37{
38 u32 tiles = DIV_ROUND_UP(size, 0x40);
39 u32 tags = round_up(tiles / pfb->ram->parts, 0x40);
40 if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) {
41 if (flags & 2) tile->zcomp |= 0x10000000; /* Z16 */
42 else tile->zcomp |= 0x20000000; /* Z24S8 */
43 tile->zcomp |= ((tile->tag->offset ) >> 6);
44 tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 14;
45#ifdef __BIG_ENDIAN
46 tile->zcomp |= 0x80000000;
47#endif
48 }
49}
50
51struct nouveau_oclass *
52nv36_fb_oclass = &(struct nv04_fb_impl) {
53 .base.base.handle = NV_SUBDEV(FB, 0x36),
54 .base.base.ofuncs = &(struct nouveau_ofuncs) {
55 .ctor = nv04_fb_ctor,
56 .dtor = _nouveau_fb_dtor,
57 .init = nv30_fb_init,
58 .fini = _nouveau_fb_fini,
59 },
60 .base.memtype = nv04_fb_memtype_valid,
61 .base.ram = &nv20_ram_oclass,
62 .tile.regions = 8,
63 .tile.init = nv30_fb_tile_init,
64 .tile.comp = nv36_fb_tile_comp,
65 .tile.fini = nv20_fb_tile_fini,
66 .tile.prog = nv20_fb_tile_prog,
67}.base.base;
68