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 "ior.h"
25 
26 void
gf119_hda_device_entry(struct nvkm_ior * ior,int head)27 gf119_hda_device_entry(struct nvkm_ior *ior, int head)
28 {
29 	struct nvkm_device *device = ior->disp->engine.subdev.device;
30 	const u32 hoff = 0x800 * head;
31 	nvkm_mask(device, 0x616548 + hoff, 0x00000070, head << 4);
32 }
33 
34 void
gf119_hda_eld(struct nvkm_ior * ior,int head,u8 * data,u8 size)35 gf119_hda_eld(struct nvkm_ior *ior, int head, u8 *data, u8 size)
36 {
37 	struct nvkm_device *device = ior->disp->engine.subdev.device;
38 	const u32 soff = 0x030 * ior->id + (head * 0x04);
39 	int i;
40 
41 	for (i = 0; i < size; i++)
42 		nvkm_wr32(device, 0x10ec00 + soff, (i << 8) | data[i]);
43 	for (; i < 0x60; i++)
44 		nvkm_wr32(device, 0x10ec00 + soff, (i << 8));
45 	nvkm_mask(device, 0x10ec10 + soff, 0x80000002, 0x80000002);
46 }
47 
48 void
gf119_hda_hpd(struct nvkm_ior * ior,int head,bool present)49 gf119_hda_hpd(struct nvkm_ior *ior, int head, bool present)
50 {
51 	struct nvkm_device *device = ior->disp->engine.subdev.device;
52 	const u32 soff = 0x030 * ior->id + (head * 0x04);
53 	u32 data = 0x80000000;
54 	u32 mask = 0x80000001;
55 	if (present) {
56 		ior->func->hda.device_entry(ior, head);
57 		data |= 0x00000001;
58 	} else {
59 		mask |= 0x00000002;
60 	}
61 	nvkm_mask(device, 0x10ec10 + soff, mask, data);
62 }
63