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 "dmacnv50.h"
25#include "rootnv50.h"
26
27#include <core/client.h>
28
29#include <nvif/class.h>
30#include <nvif/unpack.h>
31
32int
33nv50_disp_ovly_new(const struct nv50_disp_dmac_func *func,
34		   const struct nv50_disp_chan_mthd *mthd,
35		   struct nv50_disp_root *root, int chid,
36		   const struct nvkm_oclass *oclass, void *data, u32 size,
37		   struct nvkm_object **pobject)
38{
39	union {
40		struct nv50_disp_overlay_channel_dma_v0 v0;
41	} *args = data;
42	struct nvkm_object *parent = oclass->parent;
43	struct nv50_disp *disp = root->disp;
44	int head, ret;
45	u64 push;
46
47	nvif_ioctl(parent, "create disp overlay channel dma size %d\n", size);
48	if (nvif_unpack(args->v0, 0, 0, false)) {
49		nvif_ioctl(parent, "create disp overlay channel dma vers %d "
50				   "pushbuf %016llx head %d\n",
51			   args->v0.version, args->v0.pushbuf, args->v0.head);
52		if (args->v0.head > disp->base.head.nr)
53			return -EINVAL;
54		push = args->v0.pushbuf;
55		head = args->v0.head;
56	} else
57		return ret;
58
59	return nv50_disp_dmac_new_(func, mthd, root, chid + head,
60				   head, push, oclass, pobject);
61}
62
63static const struct nv50_disp_mthd_list
64nv50_disp_ovly_mthd_base = {
65	.mthd = 0x0000,
66	.addr = 0x000000,
67	.data = {
68		{ 0x0080, 0x000000 },
69		{ 0x0084, 0x0009a0 },
70		{ 0x0088, 0x0009c0 },
71		{ 0x008c, 0x0009c8 },
72		{ 0x0090, 0x6109b4 },
73		{ 0x0094, 0x610970 },
74		{ 0x00a0, 0x610998 },
75		{ 0x00a4, 0x610964 },
76		{ 0x00c0, 0x610958 },
77		{ 0x00e0, 0x6109a8 },
78		{ 0x00e4, 0x6109d0 },
79		{ 0x00e8, 0x6109d8 },
80		{ 0x0100, 0x61094c },
81		{ 0x0104, 0x610984 },
82		{ 0x0108, 0x61098c },
83		{ 0x0800, 0x6109f8 },
84		{ 0x0808, 0x610a08 },
85		{ 0x080c, 0x610a10 },
86		{ 0x0810, 0x610a00 },
87		{}
88	}
89};
90
91static const struct nv50_disp_chan_mthd
92nv50_disp_ovly_chan_mthd = {
93	.name = "Overlay",
94	.addr = 0x000540,
95	.prev = 0x000004,
96	.data = {
97		{ "Global", 1, &nv50_disp_ovly_mthd_base },
98		{}
99	}
100};
101
102const struct nv50_disp_dmac_oclass
103nv50_disp_ovly_oclass = {
104	.base.oclass = NV50_DISP_OVERLAY_CHANNEL_DMA,
105	.base.minver = 0,
106	.base.maxver = 0,
107	.ctor = nv50_disp_ovly_new,
108	.func = &nv50_disp_dmac_func,
109	.mthd = &nv50_disp_ovly_chan_mthd,
110	.chid = 3,
111};
112