1 | /* $NetBSD: nouveau_engine_disp_hdanvd0.c,v 1.1.1.1 2014/08/06 12:36:24 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 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_engine_disp_hdanvd0.c,v 1.1.1.1 2014/08/06 12:36:24 riastradh Exp $" ); |
29 | |
30 | #include <core/os.h> |
31 | #include <core/class.h> |
32 | |
33 | #include <subdev/bios.h> |
34 | #include <subdev/bios/dcb.h> |
35 | #include <subdev/bios/dp.h> |
36 | #include <subdev/bios/init.h> |
37 | |
38 | #include "nv50.h" |
39 | |
40 | int |
41 | nvd0_hda_eld(struct nv50_disp_priv *priv, int or, u8 *data, u32 size) |
42 | { |
43 | const u32 soff = (or * 0x030); |
44 | int i; |
45 | |
46 | if (data && data[0]) { |
47 | for (i = 0; i < size; i++) |
48 | nv_wr32(priv, 0x10ec00 + soff, (i << 8) | data[i]); |
49 | for (; i < 0x60; i++) |
50 | nv_wr32(priv, 0x10ec00 + soff, (i << 8)); |
51 | nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000003); |
52 | } else |
53 | if (data) { |
54 | nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000001); |
55 | } else { |
56 | nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000000); |
57 | } |
58 | |
59 | return 0; |
60 | } |
61 | |