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
25 #include <core/os.h>
26 #include <core/class.h>
27
28 #include <subdev/bios.h>
29 #include <subdev/bios/dcb.h>
30 #include <subdev/bios/dp.h>
31 #include <subdev/bios/init.h>
32
33 #include "nv50.h"
34
35 int
nvd0_hda_eld(struct nv50_disp_priv * priv,int or,u8 * data,u32 size)36 nvd0_hda_eld(struct nv50_disp_priv *priv, int or, u8 *data, u32 size)
37 {
38 const u32 soff = (or * 0x030);
39 int i;
40
41 if (data && data[0]) {
42 for (i = 0; i < size; i++)
43 nv_wr32(priv, 0x10ec00 + soff, (i << 8) | data[i]);
44 nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000003);
45 } else
46 if (data) {
47 nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000001);
48 } else {
49 nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000000);
50 }
51
52 return 0;
53 }
54