1/*	$NetBSD: nouveau_nvkm_subdev_ltc_gm200.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $	*/
2
3/*
4 * Copyright 2015 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs <bskeggs@redhat.com>
25 */
26#include <sys/cdefs.h>
27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_ltc_gm200.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $");
28
29#include "priv.h"
30
31#include <subdev/fb.h>
32#include <subdev/timer.h>
33
34static int
35gm200_ltc_oneinit(struct nvkm_ltc *ltc)
36{
37	struct nvkm_device *device = ltc->subdev.device;
38
39	ltc->ltc_nr = nvkm_rd32(device, 0x12006c);
40	ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
41
42	return gf100_ltc_oneinit_tag_ram(ltc);
43}
44static void
45gm200_ltc_init(struct nvkm_ltc *ltc)
46{
47	nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base);
48}
49
50static const struct nvkm_ltc_func
51gm200_ltc = {
52	.oneinit = gm200_ltc_oneinit,
53	.init = gm200_ltc_init,
54	.intr = gm107_ltc_intr,
55	.cbc_clear = gm107_ltc_cbc_clear,
56	.cbc_wait = gm107_ltc_cbc_wait,
57	.zbc = 16,
58	.zbc_clear_color = gm107_ltc_zbc_clear_color,
59	.zbc_clear_depth = gm107_ltc_zbc_clear_depth,
60	.invalidate = gf100_ltc_invalidate,
61	.flush = gf100_ltc_flush,
62};
63
64int
65gm200_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc)
66{
67	return nvkm_ltc_new_(&gm200_ltc, device, index, pltc);
68}
69