xref: /linux/drivers/gpu/drm/nouveau/dispnv50/sor907d.c (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
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 "core.h"
23 
24 #include <nvif/class.h>
25 #include <nvif/push507c.h>
26 
27 #include <nvhw/class/cl907d.h>
28 
29 #include <nouveau_bo.h>
30 
31 static int
32 sor907d_ctrl(struct nv50_core *core, int or, u32 ctrl,
33 	     struct nv50_head_atom *asyh)
34 {
35 	struct nvif_push *push = &core->chan.push;
36 	int ret;
37 
38 	if ((ret = PUSH_WAIT(push, 2)))
39 		return ret;
40 
41 	PUSH_MTHD(push, NV907D, SOR_SET_CONTROL(or), ctrl);
42 	return 0;
43 }
44 
45 static void
46 sor907d_get_caps(struct nv50_disp *disp, struct nouveau_encoder *outp, int or)
47 {
48 	struct nouveau_bo *bo = disp->sync;
49 	const int off = or * 2;
50 	outp->caps.dp_interlace =
51 		NVBO_RV32(bo, off, NV907D_CORE_NOTIFIER_3, CAPABILITIES_CAP_SOR0_20, DP_INTERLACE);
52 }
53 
54 const struct nv50_outp_func
55 sor907d = {
56 	.ctrl = sor907d_ctrl,
57 	.get_caps = sor907d_get_caps,
58 };
59