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
gt215_hda_eld(struct nvkm_ior * ior,int head,u8 * data,u8 size)27 gt215_hda_eld(struct nvkm_ior *ior, int head, u8 *data, u8 size)
28 {
29 struct nvkm_device *device = ior->disp->engine.subdev.device;
30 const u32 soff = ior->id * 0x800;
31 int i;
32
33 for (i = 0; i < size; i++)
34 nvkm_wr32(device, 0x61c440 + soff, (i << 8) | data[i]);
35 for (; i < 0x60; i++)
36 nvkm_wr32(device, 0x61c440 + soff, (i << 8));
37 nvkm_mask(device, 0x61c448 + soff, 0x80000002, 0x80000002);
38 }
39
40 void
gt215_hda_hpd(struct nvkm_ior * ior,int head,bool present)41 gt215_hda_hpd(struct nvkm_ior *ior, int head, bool present)
42 {
43 struct nvkm_device *device = ior->disp->engine.subdev.device;
44 u32 data = 0x80000000;
45 u32 mask = 0x80000001;
46 if (present)
47 data |= 0x00000001;
48 else
49 mask |= 0x00000002;
50 nvkm_mask(device, 0x61c448 + ior->id * 0x800, mask, data);
51 }
52