xref: /openbmc/linux/drivers/gpu/drm/nouveau/nvif/disp.c (revision a2b7eadf)
1 /*
2  * Copyright 2018 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 #include <nvif/disp.h>
23 #include <nvif/device.h>
24 #include <nvif/printf.h>
25 
26 #include <nvif/class.h>
27 #include <nvif/if0010.h>
28 
29 void
nvif_disp_dtor(struct nvif_disp * disp)30 nvif_disp_dtor(struct nvif_disp *disp)
31 {
32 	nvif_object_dtor(&disp->object);
33 }
34 
35 int
nvif_disp_ctor(struct nvif_device * device,const char * name,s32 oclass,struct nvif_disp * disp)36 nvif_disp_ctor(struct nvif_device *device, const char *name, s32 oclass, struct nvif_disp *disp)
37 {
38 	static const struct nvif_mclass disps[] = {
39 		{ GA102_DISP, 0 },
40 		{ TU102_DISP, 0 },
41 		{ GV100_DISP, 0 },
42 		{ GP102_DISP, 0 },
43 		{ GP100_DISP, 0 },
44 		{ GM200_DISP, 0 },
45 		{ GM107_DISP, 0 },
46 		{ GK110_DISP, 0 },
47 		{ GK104_DISP, 0 },
48 		{ GF110_DISP, 0 },
49 		{ GT214_DISP, 0 },
50 		{ GT206_DISP, 0 },
51 		{ GT200_DISP, 0 },
52 		{   G82_DISP, 0 },
53 		{  NV50_DISP, 0 },
54 		{  NV04_DISP, 0 },
55 		{}
56 	};
57 	struct nvif_disp_v0 args;
58 	int cid, ret;
59 
60 	cid = nvif_sclass(&device->object, disps, oclass);
61 	disp->object.client = NULL;
62 	if (cid < 0) {
63 		NVIF_ERRON(cid, &device->object, "[NEW disp%04x] not supported", oclass);
64 		return cid;
65 	}
66 
67 	args.version = 0;
68 
69 	ret = nvif_object_ctor(&device->object, name ?: "nvifDisp", 0,
70 			       disps[cid].oclass, &args, sizeof(args), &disp->object);
71 	NVIF_ERRON(ret, &device->object, "[NEW disp%04x]", disps[cid].oclass);
72 	if (ret)
73 		return ret;
74 
75 	NVIF_DEBUG(&disp->object, "[NEW] conn_mask:%08x outp_mask:%08x head_mask:%08x",
76 		   args.conn_mask, args.outp_mask, args.head_mask);
77 	disp->conn_mask = args.conn_mask;
78 	disp->outp_mask = args.outp_mask;
79 	disp->head_mask = args.head_mask;
80 	return 0;
81 }
82