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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
29static void
30nv44_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; /* mode = vram */
34	tile->addr |= addr;
35	tile->limit = max(1u, addr + size) - 1;
36	tile->pitch = pitch;
37}
38
39void
40nv44_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
41{
42	nv_wr32(pfb, 0x100604 + (i * 0x10), tile->limit);
43	nv_wr32(pfb, 0x100608 + (i * 0x10), tile->pitch);
44	nv_wr32(pfb, 0x100600 + (i * 0x10), tile->addr);
45	nv_rd32(pfb, 0x100600 + (i * 0x10));
46}
47
48int
49nv44_fb_init(struct nouveau_object *object)
50{
51	struct nv04_fb_priv *priv = (void *)object;
52	int ret;
53
54	ret = nouveau_fb_init(&priv->base);
55	if (ret)
56		return ret;
57
58	nv_wr32(priv, 0x100850, 0x80000000);
59	nv_wr32(priv, 0x100800, 0x00000001);
60	return 0;
61}
62
63struct nouveau_oclass *
64nv44_fb_oclass = &(struct nv04_fb_impl) {
65	.base.base.handle = NV_SUBDEV(FB, 0x44),
66	.base.base.ofuncs = &(struct nouveau_ofuncs) {
67		.ctor = nv04_fb_ctor,
68		.dtor = _nouveau_fb_dtor,
69		.init = nv44_fb_init,
70		.fini = _nouveau_fb_fini,
71	},
72	.base.memtype = nv04_fb_memtype_valid,
73	.base.ram = &nv44_ram_oclass,
74	.tile.regions = 12,
75	.tile.init = nv44_fb_tile_init,
76	.tile.fini = nv20_fb_tile_fini,
77	.tile.prog = nv44_fb_tile_prog,
78}.base.base;
79