1 /* $NetBSD: nouveau_nvkm_engine_disp_hdagf119.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $ */
2
3 /*
4 * Copyright 2012 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_hdagf119.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $");
28
29 #include "ior.h"
30
31 void
gf119_hda_eld(struct nvkm_ior * ior,u8 * data,u8 size)32 gf119_hda_eld(struct nvkm_ior *ior, u8 *data, u8 size)
33 {
34 struct nvkm_device *device = ior->disp->engine.subdev.device;
35 const u32 soff = 0x030 * ior->id;
36 int i;
37
38 for (i = 0; i < size; i++)
39 nvkm_wr32(device, 0x10ec00 + soff, (i << 8) | data[i]);
40 for (; i < 0x60; i++)
41 nvkm_wr32(device, 0x10ec00 + soff, (i << 8));
42 nvkm_mask(device, 0x10ec10 + soff, 0x80000002, 0x80000002);
43 }
44
45 void
gf119_hda_hpd(struct nvkm_ior * ior,int head,bool present)46 gf119_hda_hpd(struct nvkm_ior *ior, int head, bool present)
47 {
48 struct nvkm_device *device = ior->disp->engine.subdev.device;
49 const u32 hoff = 0x800 * head;
50 u32 data = 0x80000000;
51 u32 mask = 0x80000001;
52 if (present) {
53 nvkm_mask(device, 0x616548 + hoff, 0x00000070, 0x00000000);
54 data |= 0x00000001;
55 } else {
56 mask |= 0x00000002;
57 }
58 nvkm_mask(device, 0x10ec10 + ior->id * 0x030, mask, data);
59 }
60