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1 /*
2  * Copyright 2014 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 
25 #include <core/client.h>
26 #include <nvif/unpack.h>
27 #include <nvif/class.h>
28 
29 #include "nv50.h"
30 
31 int
nve0_hdmi_ctrl(NV50_DISP_MTHD_V1)32 nve0_hdmi_ctrl(NV50_DISP_MTHD_V1)
33 {
34 	const u32 hoff = (head * 0x800);
35 	const u32 hdmi = (head * 0x400);
36 	union {
37 		struct nv50_disp_sor_hdmi_pwr_v0 v0;
38 	} *args = data;
39 	u32 ctrl;
40 	int ret;
41 
42 	nv_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
43 	if (nvif_unpack(args->v0, 0, 0, false)) {
44 		nv_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
45 				 "max_ac_packet %d rekey %d\n",
46 			 args->v0.version, args->v0.state,
47 			 args->v0.max_ac_packet, args->v0.rekey);
48 		if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
49 			return -EINVAL;
50 		ctrl  = 0x40000000 * !!args->v0.state;
51 		ctrl |= args->v0.max_ac_packet << 16;
52 		ctrl |= args->v0.rekey;
53 	} else
54 		return ret;
55 
56 	if (!(ctrl & 0x40000000)) {
57 		nv_mask(priv, 0x616798 + hoff, 0x40000000, 0x00000000);
58 		nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
59 		nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000000);
60 		return 0;
61 	}
62 
63 	/* AVI InfoFrame */
64 	nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000000);
65 	nv_wr32(priv, 0x690008 + hdmi, 0x000d0282);
66 	nv_wr32(priv, 0x69000c + hdmi, 0x0000006f);
67 	nv_wr32(priv, 0x690010 + hdmi, 0x00000000);
68 	nv_wr32(priv, 0x690014 + hdmi, 0x00000000);
69 	nv_wr32(priv, 0x690018 + hdmi, 0x00000000);
70 	nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000001);
71 
72 	/* ??? InfoFrame? */
73 	nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
74 	nv_wr32(priv, 0x6900cc + hdmi, 0x00000010);
75 	nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000001);
76 
77 	/* ??? */
78 	nv_wr32(priv, 0x690080 + hdmi, 0x82000000);
79 
80 	/* HDMI_CTRL */
81 	nv_mask(priv, 0x616798 + hoff, 0x401f007f, ctrl);
82 	return 0;
83 }
84