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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
27#include "nv04.h"
28
29void
30nv20_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
31		  u32 flags, struct nouveau_fb_tile *tile)
32{
33	tile->addr  = 0x00000001 | addr;
34	tile->limit = max(1u, addr + size) - 1;
35	tile->pitch = pitch;
36	if (flags & 4) {
37		pfb->tile.comp(pfb, i, size, flags, tile);
38		tile->addr |= 2;
39	}
40}
41
42static void
43nv20_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
44		  struct nouveau_fb_tile *tile)
45{
46	u32 tiles = DIV_ROUND_UP(size, 0x40);
47	u32 tags  = round_up(tiles / pfb->ram->parts, 0x40);
48	if (!nouveau_mm_head(&pfb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
49		if (!(flags & 2)) tile->zcomp = 0x00000000; /* Z16 */
50		else              tile->zcomp = 0x04000000; /* Z24S8 */
51		tile->zcomp |= tile->tag->offset;
52		tile->zcomp |= 0x80000000; /* enable */
53#ifdef __BIG_ENDIAN
54		tile->zcomp |= 0x08000000;
55#endif
56	}
57}
58
59void
60nv20_fb_tile_fini(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
61{
62	tile->addr  = 0;
63	tile->limit = 0;
64	tile->pitch = 0;
65	tile->zcomp = 0;
66	nouveau_mm_free(&pfb->tags, &tile->tag);
67}
68
69void
70nv20_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
71{
72	nv_wr32(pfb, 0x100244 + (i * 0x10), tile->limit);
73	nv_wr32(pfb, 0x100248 + (i * 0x10), tile->pitch);
74	nv_wr32(pfb, 0x100240 + (i * 0x10), tile->addr);
75	nv_rd32(pfb, 0x100240 + (i * 0x10));
76	nv_wr32(pfb, 0x100300 + (i * 0x04), tile->zcomp);
77}
78
79struct nouveau_oclass *
80nv20_fb_oclass = &(struct nv04_fb_impl) {
81	.base.base.handle = NV_SUBDEV(FB, 0x20),
82	.base.base.ofuncs = &(struct nouveau_ofuncs) {
83		.ctor = nv04_fb_ctor,
84		.dtor = _nouveau_fb_dtor,
85		.init = _nouveau_fb_init,
86		.fini = _nouveau_fb_fini,
87	},
88	.base.memtype = nv04_fb_memtype_valid,
89	.base.ram = &nv20_ram_oclass,
90	.tile.regions = 8,
91	.tile.init = nv20_fb_tile_init,
92	.tile.comp = nv20_fb_tile_comp,
93	.tile.fini = nv20_fb_tile_fini,
94	.tile.prog = nv20_fb_tile_prog,
95}.base.base;
96