1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24#include "priv.h"
25
26static int
27gk104_ltc_init(struct nvkm_object *object)
28{
29	struct nvkm_ltc_priv *priv = (void *)object;
30	u32 lpg128 = !(nv_rd32(priv, 0x100c80) & 0x00000001);
31	int ret;
32
33	ret = nvkm_ltc_init(priv);
34	if (ret)
35		return ret;
36
37	nv_wr32(priv, 0x17e8d8, priv->ltc_nr);
38	nv_wr32(priv, 0x17e000, priv->ltc_nr);
39	nv_wr32(priv, 0x17e8d4, priv->tag_base);
40	nv_mask(priv, 0x17e8c0, 0x00000002, lpg128 ? 0x00000002 : 0x00000000);
41	return 0;
42}
43
44struct nvkm_oclass *
45gk104_ltc_oclass = &(struct nvkm_ltc_impl) {
46	.base.handle = NV_SUBDEV(LTC, 0xe4),
47	.base.ofuncs = &(struct nvkm_ofuncs) {
48		.ctor = gf100_ltc_ctor,
49		.dtor = gf100_ltc_dtor,
50		.init = gk104_ltc_init,
51		.fini = _nvkm_ltc_fini,
52	},
53	.intr = gf100_ltc_intr,
54	.cbc_clear = gf100_ltc_cbc_clear,
55	.cbc_wait = gf100_ltc_cbc_wait,
56	.zbc = 16,
57	.zbc_clear_color = gf100_ltc_zbc_clear_color,
58	.zbc_clear_depth = gf100_ltc_zbc_clear_depth,
59}.base;
60