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-rw-r--r--include/drm/i2c/sil164.h63
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1/*
2 * Copyright (C) 2010 Francisco Jerez.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#ifndef __DRM_I2C_SIL164_H__
28#define __DRM_I2C_SIL164_H__
29
30/**
31 * struct sil164_encoder_params
32 *
33 * Describes how the sil164 is connected to the GPU. It should be used
34 * as the @params parameter of its @set_config method.
35 *
36 * See "http://www.siliconimage.com/docs/SiI-DS-0021-E-164.pdf".
37 */
38struct sil164_encoder_params {
39 enum {
40 SIL164_INPUT_EDGE_FALLING = 0,
41 SIL164_INPUT_EDGE_RISING
42 } input_edge;
43
44 enum {
45 SIL164_INPUT_WIDTH_12BIT = 0,
46 SIL164_INPUT_WIDTH_24BIT
47 } input_width;
48
49 enum {
50 SIL164_INPUT_SINGLE_EDGE = 0,
51 SIL164_INPUT_DUAL_EDGE
52 } input_dual;
53
54 enum {
55 SIL164_PLL_FILTER_ON = 0,
56 SIL164_PLL_FILTER_OFF,
57 } pll_filter;
58
59 int input_skew; /** < Allowed range [-4, 3], use 0 for no de-skew. */
60 int duallink_skew; /** < Allowed range [-4, 3]. */
61};
62
63#endif