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 "nv04.h"
27
28static void
29nv44_fb_tile_init(struct nvkm_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
30		  u32 flags, struct nvkm_fb_tile *tile)
31{
32	tile->addr  = 0x00000001; /* mode = vram */
33	tile->addr |= addr;
34	tile->limit = max(1u, addr + size) - 1;
35	tile->pitch = pitch;
36}
37
38void
39nv44_fb_tile_prog(struct nvkm_fb *pfb, int i, struct nvkm_fb_tile *tile)
40{
41	nv_wr32(pfb, 0x100604 + (i * 0x10), tile->limit);
42	nv_wr32(pfb, 0x100608 + (i * 0x10), tile->pitch);
43	nv_wr32(pfb, 0x100600 + (i * 0x10), tile->addr);
44	nv_rd32(pfb, 0x100600 + (i * 0x10));
45}
46
47int
48nv44_fb_init(struct nvkm_object *object)
49{
50	struct nv04_fb_priv *priv = (void *)object;
51	int ret;
52
53	ret = nvkm_fb_init(&priv->base);
54	if (ret)
55		return ret;
56
57	nv_wr32(priv, 0x100850, 0x80000000);
58	nv_wr32(priv, 0x100800, 0x00000001);
59	return 0;
60}
61
62struct nvkm_oclass *
63nv44_fb_oclass = &(struct nv04_fb_impl) {
64	.base.base.handle = NV_SUBDEV(FB, 0x44),
65	.base.base.ofuncs = &(struct nvkm_ofuncs) {
66		.ctor = nv04_fb_ctor,
67		.dtor = _nvkm_fb_dtor,
68		.init = nv44_fb_init,
69		.fini = _nvkm_fb_fini,
70	},
71	.base.memtype = nv04_fb_memtype_valid,
72	.base.ram = &nv44_ram_oclass,
73	.tile.regions = 12,
74	.tile.init = nv44_fb_tile_init,
75	.tile.fini = nv20_fb_tile_fini,
76	.tile.prog = nv44_fb_tile_prog,
77}.base.base;
78