nouveau_nvkm_engine_disp_hdmigk104.c revision 1.2 
1/*	$NetBSD: nouveau_nvkm_engine_disp_hdmigk104.c,v 1.2 2018/08/27 04:58:31 riastradh Exp $	*/
2
3/*
4 * Copyright 2014 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_hdmigk104.c,v 1.2 2018/08/27 04:58:31 riastradh Exp $");
28
29#include "nv50.h"
30
31#include <core/client.h>
32
33#include <nvif/class.h>
34#include <nvif/unpack.h>
35
36int
37gk104_hdmi_ctrl(NV50_DISP_MTHD_V1)
38{
39	struct nvkm_device *device = disp->base.engine.subdev.device;
40	const u32 hoff = (head * 0x800);
41	const u32 hdmi = (head * 0x400);
42	union {
43		struct nv50_disp_sor_hdmi_pwr_v0 v0;
44	} *args = data;
45	u32 ctrl;
46	int ret;
47
48	nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
49	if (nvif_unpack(args->v0, 0, 0, false)) {
50		nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
51				   "max_ac_packet %d rekey %d\n",
52			   args->v0.version, args->v0.state,
53			   args->v0.max_ac_packet, args->v0.rekey);
54		if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
55			return -EINVAL;
56		ctrl  = 0x40000000 * !!args->v0.state;
57		ctrl |= args->v0.max_ac_packet << 16;
58		ctrl |= args->v0.rekey;
59	} else
60		return ret;
61
62	if (!(ctrl & 0x40000000)) {
63		nvkm_mask(device, 0x616798 + hoff, 0x40000000, 0x00000000);
64		nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
65		nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000000);
66		return 0;
67	}
68
69	/* AVI InfoFrame */
70	nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000000);
71	nvkm_wr32(device, 0x690008 + hdmi, 0x000d0282);
72	nvkm_wr32(device, 0x69000c + hdmi, 0x0000006f);
73	nvkm_wr32(device, 0x690010 + hdmi, 0x00000000);
74	nvkm_wr32(device, 0x690014 + hdmi, 0x00000000);
75	nvkm_wr32(device, 0x690018 + hdmi, 0x00000000);
76	nvkm_mask(device, 0x690000 + hdmi, 0x00000001, 0x00000001);
77
78	/* ??? InfoFrame? */
79	nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
80	nvkm_wr32(device, 0x6900cc + hdmi, 0x00000010);
81	nvkm_mask(device, 0x6900c0 + hdmi, 0x00000001, 0x00000001);
82
83	/* ??? */
84	nvkm_wr32(device, 0x690080 + hdmi, 0x82000000);
85
86	/* HDMI_CTRL */
87	nvkm_mask(device, 0x616798 + hoff, 0x401f007f, ctrl);
88	return 0;
89}
90