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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 "nv50.h"
29 
30 int
nva3_hda_eld(struct nv50_disp_priv * priv,int or,u8 * data,u32 size)31 nva3_hda_eld(struct nv50_disp_priv *priv, int or, u8 *data, u32 size)
32 {
33 	const u32 soff = (or * 0x800);
34 	int i;
35 
36 	if (data && data[0]) {
37 		for (i = 0; i < size; i++)
38 			nv_wr32(priv, 0x61c440 + soff, (i << 8) | data[i]);
39 		nv_mask(priv, 0x61c448 + soff, 0x80000003, 0x80000003);
40 	} else
41 	if (data) {
42 		nv_mask(priv, 0x61c448 + soff, 0x80000003, 0x80000001);
43 	} else {
44 		nv_mask(priv, 0x61c448 + soff, 0x80000003, 0x80000000);
45 	}
46 
47 	return 0;
48 }
49