1/*	$NetBSD: nouveau_nvkm_engine_disp_ovlynv50.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $	*/
2
3/*
4 * Copyright 2012 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
25 */
26#include <sys/cdefs.h>
27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_ovlynv50.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $");
28
29#include "channv50.h"
30#include "head.h"
31
32#include <core/client.h>
33
34#include <nvif/cl507e.h>
35#include <nvif/unpack.h>
36
37int
38nv50_disp_ovly_new_(const struct nv50_disp_chan_func *func,
39		    const struct nv50_disp_chan_mthd *mthd,
40		    struct nv50_disp *disp, int chid,
41		    const struct nvkm_oclass *oclass, void *argv, u32 argc,
42		    struct nvkm_object **pobject)
43{
44	union {
45		struct nv50_disp_overlay_channel_dma_v0 v0;
46	} *args = argv;
47	struct nvkm_object *parent = oclass->parent;
48	int head, ret = -ENOSYS;
49	u64 push;
50
51	nvif_ioctl(parent, "create disp overlay channel dma size %d\n", argc);
52	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
53		nvif_ioctl(parent, "create disp overlay channel dma vers %d "
54				   "pushbuf %016"PRIx64" head %d\n",
55			   args->v0.version, args->v0.pushbuf, args->v0.head);
56		if (!nvkm_head_find(&disp->base, args->v0.head))
57			return -EINVAL;
58		push = args->v0.pushbuf;
59		head = args->v0.head;
60	} else
61		return ret;
62
63	return nv50_disp_dmac_new_(func, mthd, disp, chid + head,
64				   head, push, oclass, pobject);
65}
66
67static const struct nv50_disp_mthd_list
68nv50_disp_ovly_mthd_base = {
69	.mthd = 0x0000,
70	.addr = 0x000000,
71	.data = {
72		{ 0x0080, 0x000000 },
73		{ 0x0084, 0x0009a0 },
74		{ 0x0088, 0x0009c0 },
75		{ 0x008c, 0x0009c8 },
76		{ 0x0090, 0x6109b4 },
77		{ 0x0094, 0x610970 },
78		{ 0x00a0, 0x610998 },
79		{ 0x00a4, 0x610964 },
80		{ 0x00c0, 0x610958 },
81		{ 0x00e0, 0x6109a8 },
82		{ 0x00e4, 0x6109d0 },
83		{ 0x00e8, 0x6109d8 },
84		{ 0x0100, 0x61094c },
85		{ 0x0104, 0x610984 },
86		{ 0x0108, 0x61098c },
87		{ 0x0800, 0x6109f8 },
88		{ 0x0808, 0x610a08 },
89		{ 0x080c, 0x610a10 },
90		{ 0x0810, 0x610a00 },
91		{}
92	}
93};
94
95static const struct nv50_disp_chan_mthd
96nv50_disp_ovly_mthd = {
97	.name = "Overlay",
98	.addr = 0x000540,
99	.prev = 0x000004,
100	.data = {
101		{ "Global", 1, &nv50_disp_ovly_mthd_base },
102		{}
103	}
104};
105
106int
107nv50_disp_ovly_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
108		   struct nv50_disp *disp, struct nvkm_object **pobject)
109{
110	return nv50_disp_ovly_new_(&nv50_disp_dmac_func, &nv50_disp_ovly_mthd,
111				   disp, 3, oclass, argv, argc, pobject);
112}
113