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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 "nv50.h"
25 #include "outp.h"
26 
27 #include <core/client.h>
28 
29 #include <nvif/class.h>
30 #include <nvif/unpack.h>
31 
32 int
gt215_hdmi_ctrl(NV50_DISP_MTHD_V1)33 gt215_hdmi_ctrl(NV50_DISP_MTHD_V1)
34 {
35 	struct nvkm_device *device = disp->base.engine.subdev.device;
36 	const u32 soff = outp->or * 0x800;
37 	union {
38 		struct nv50_disp_sor_hdmi_pwr_v0 v0;
39 	} *args = data;
40 	u32 ctrl;
41 	int ret;
42 
43 	nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
44 	if (nvif_unpack(args->v0, 0, 0, false)) {
45 		nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
46 				   "max_ac_packet %d rekey %d\n",
47 			   args->v0.version, args->v0.state,
48 			   args->v0.max_ac_packet, args->v0.rekey);
49 		if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
50 			return -EINVAL;
51 		ctrl  = 0x40000000 * !!args->v0.state;
52 		ctrl |= args->v0.max_ac_packet << 16;
53 		ctrl |= args->v0.rekey;
54 		ctrl |= 0x1f000000; /* ??? */
55 	} else
56 		return ret;
57 
58 	if (!(ctrl & 0x40000000)) {
59 		nvkm_mask(device, 0x61c5a4 + soff, 0x40000000, 0x00000000);
60 		nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000000);
61 		nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000000);
62 		return 0;
63 	}
64 
65 	/* AVI InfoFrame */
66 	nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000000);
67 	nvkm_wr32(device, 0x61c528 + soff, 0x000d0282);
68 	nvkm_wr32(device, 0x61c52c + soff, 0x0000006f);
69 	nvkm_wr32(device, 0x61c530 + soff, 0x00000000);
70 	nvkm_wr32(device, 0x61c534 + soff, 0x00000000);
71 	nvkm_wr32(device, 0x61c538 + soff, 0x00000000);
72 	nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000001);
73 
74 	/* Audio InfoFrame */
75 	nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000000);
76 	nvkm_wr32(device, 0x61c508 + soff, 0x000a0184);
77 	nvkm_wr32(device, 0x61c50c + soff, 0x00000071);
78 	nvkm_wr32(device, 0x61c510 + soff, 0x00000000);
79 	nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000001);
80 
81 	nvkm_mask(device, 0x61c5d0 + soff, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
82 	nvkm_mask(device, 0x61c568 + soff, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
83 	nvkm_mask(device, 0x61c578 + soff, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
84 
85 	/* ??? */
86 	nvkm_mask(device, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
87 	nvkm_mask(device, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
88 	nvkm_mask(device, 0x61733c, 0x00100000, 0x00000000); /* !RESETF */
89 
90 	/* HDMI_CTRL */
91 	nvkm_mask(device, 0x61c5a4 + soff, 0x5f1f007f, ctrl);
92 	return 0;
93 }
94