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
29 static int
30 gm200_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 }
39 static void
40 gm200_ltc_init(struct nvkm_ltc *ltc)
41 {
42 nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base);
43 }
44
45 static const struct nvkm_ltc_func
46 gm200_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 = 16,
53 .zbc_clear_color = gm107_ltc_zbc_clear_color,
54 .zbc_clear_depth = gm107_ltc_zbc_clear_depth,
55 .invalidate = gf100_ltc_invalidate,
56 .flush = gf100_ltc_flush,
57 };
58
59 int
60 gm200_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc)
61 {
62 return nvkm_ltc_new_(&gm200_ltc, device, index, pltc);
63 }