1/*
2 * Copyright 2015 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 <bskeggs@redhat.com>
23 */
24#include "priv.h"
25
26#include <subdev/fb.h>
27#include <subdev/timer.h>
28
29static int
30gm200_ltc_oneinit(struct nvkm_ltc *ltc)
31{
32	struct nvkm_device *device = ltc->subdev.device;
33
34	ltc->ltc_nr = nvkm_rd32(device, 0x12006c);
35	ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
36
37	return gf100_ltc_oneinit_tag_ram(ltc);
38}
39static void
40gm200_ltc_init(struct nvkm_ltc *ltc)
41{
42	nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base);
43}
44
45static const struct nvkm_ltc_func
46gm200_ltc = {
47	.oneinit = gm200_ltc_oneinit,
48	.init = gm200_ltc_init,
49	.intr = gm107_ltc_intr,
50	.cbc_clear = gm107_ltc_cbc_clear,
51	.cbc_wait = gm107_ltc_cbc_wait,
52	.zbc_color = 16,
53	.zbc_depth = 16,
54	.zbc_clear_color = gm107_ltc_zbc_clear_color,
55	.zbc_clear_depth = gm107_ltc_zbc_clear_depth,
56	.invalidate = gf100_ltc_invalidate,
57	.flush = gf100_ltc_flush,
58};
59
60int
61gm200_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
62	      struct nvkm_ltc **pltc)
63{
64	return nvkm_ltc_new_(&gm200_ltc, device, type, inst, pltc);
65}
66