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 | */ |
38 | struct 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 |
64 | |