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 #include <subdev/timer.h>
29 
30 #include <nvif/class.h>
31 #include <nvif/unpack.h>
32 
33 int
nv50_sor_power(NV50_DISP_MTHD_V1)34 nv50_sor_power(NV50_DISP_MTHD_V1)
35 {
36 	struct nvkm_device *device = disp->base.engine.subdev.device;
37 	union {
38 		struct nv50_disp_sor_pwr_v0 v0;
39 	} *args = data;
40 	const u32 soff = outp->or * 0x800;
41 	u32 stat;
42 	int ret;
43 
44 	nvif_ioctl(object, "disp sor pwr size %d\n", size);
45 	if (nvif_unpack(args->v0, 0, 0, false)) {
46 		nvif_ioctl(object, "disp sor pwr vers %d state %d\n",
47 			   args->v0.version, args->v0.state);
48 		stat = !!args->v0.state;
49 	} else
50 		return ret;
51 
52 
53 	nvkm_msec(device, 2000,
54 		if (!(nvkm_rd32(device, 0x61c004 + soff) & 0x80000000))
55 			break;
56 	);
57 	nvkm_mask(device, 0x61c004 + soff, 0x80000001, 0x80000000 | stat);
58 	nvkm_msec(device, 2000,
59 		if (!(nvkm_rd32(device, 0x61c004 + soff) & 0x80000000))
60 			break;
61 	);
62 	nvkm_msec(device, 2000,
63 		if (!(nvkm_rd32(device, 0x61c030 + soff) & 0x10000000))
64 			break;
65 	);
66 	return 0;
67 }
68 
69 static const struct nvkm_output_func
70 nv50_sor_output_func = {
71 };
72 
73 int
nv50_sor_output_new(struct nvkm_disp * disp,int index,struct dcb_output * dcbE,struct nvkm_output ** poutp)74 nv50_sor_output_new(struct nvkm_disp *disp, int index,
75 		    struct dcb_output *dcbE, struct nvkm_output **poutp)
76 {
77 	return nvkm_output_new_(&nv50_sor_output_func, disp,
78 				index, dcbE, poutp);
79 }
80