xref: /netbsd-src/sys/external/bsd/drm2/dist/include/drm/i2c/sil164.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1*41ec0267Sriastradh /*	$NetBSD: sil164.h,v 1.3 2021/12/18 23:45:46 riastradh Exp $	*/
2efa246c0Sriastradh 
3fcd0cb28Sriastradh /*
4fcd0cb28Sriastradh  * Copyright (C) 2010 Francisco Jerez.
5fcd0cb28Sriastradh  * All Rights Reserved.
6fcd0cb28Sriastradh  *
7fcd0cb28Sriastradh  * Permission is hereby granted, free of charge, to any person obtaining
8fcd0cb28Sriastradh  * a copy of this software and associated documentation files (the
9fcd0cb28Sriastradh  * "Software"), to deal in the Software without restriction, including
10fcd0cb28Sriastradh  * without limitation the rights to use, copy, modify, merge, publish,
11fcd0cb28Sriastradh  * distribute, sublicense, and/or sell copies of the Software, and to
12fcd0cb28Sriastradh  * permit persons to whom the Software is furnished to do so, subject to
13fcd0cb28Sriastradh  * the following conditions:
14fcd0cb28Sriastradh  *
15fcd0cb28Sriastradh  * The above copyright notice and this permission notice (including the
16fcd0cb28Sriastradh  * next paragraph) shall be included in all copies or substantial
17fcd0cb28Sriastradh  * portions of the Software.
18fcd0cb28Sriastradh  *
19fcd0cb28Sriastradh  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20fcd0cb28Sriastradh  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21fcd0cb28Sriastradh  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22fcd0cb28Sriastradh  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
23fcd0cb28Sriastradh  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24fcd0cb28Sriastradh  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25fcd0cb28Sriastradh  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26fcd0cb28Sriastradh  *
27fcd0cb28Sriastradh  */
28fcd0cb28Sriastradh 
29fcd0cb28Sriastradh #ifndef __DRM_I2C_SIL164_H__
30fcd0cb28Sriastradh #define __DRM_I2C_SIL164_H__
31fcd0cb28Sriastradh 
32fcd0cb28Sriastradh /**
33fcd0cb28Sriastradh  * struct sil164_encoder_params
34fcd0cb28Sriastradh  *
35fcd0cb28Sriastradh  * Describes how the sil164 is connected to the GPU. It should be used
36fcd0cb28Sriastradh  * as the @params parameter of its @set_config method.
37fcd0cb28Sriastradh  *
38fcd0cb28Sriastradh  * See "http://www.siliconimage.com/docs/SiI-DS-0021-E-164.pdf".
39fcd0cb28Sriastradh  */
40fcd0cb28Sriastradh struct sil164_encoder_params {
41fcd0cb28Sriastradh 	enum {
42fcd0cb28Sriastradh 		SIL164_INPUT_EDGE_FALLING = 0,
43fcd0cb28Sriastradh 		SIL164_INPUT_EDGE_RISING
44fcd0cb28Sriastradh 	} input_edge;
45fcd0cb28Sriastradh 
46fcd0cb28Sriastradh 	enum {
47fcd0cb28Sriastradh 		SIL164_INPUT_WIDTH_12BIT = 0,
48fcd0cb28Sriastradh 		SIL164_INPUT_WIDTH_24BIT
49fcd0cb28Sriastradh 	} input_width;
50fcd0cb28Sriastradh 
51fcd0cb28Sriastradh 	enum {
52fcd0cb28Sriastradh 		SIL164_INPUT_SINGLE_EDGE = 0,
53fcd0cb28Sriastradh 		SIL164_INPUT_DUAL_EDGE
54fcd0cb28Sriastradh 	} input_dual;
55fcd0cb28Sriastradh 
56fcd0cb28Sriastradh 	enum {
57fcd0cb28Sriastradh 		SIL164_PLL_FILTER_ON = 0,
58fcd0cb28Sriastradh 		SIL164_PLL_FILTER_OFF,
59fcd0cb28Sriastradh 	} pll_filter;
60fcd0cb28Sriastradh 
61fcd0cb28Sriastradh 	int input_skew; /** < Allowed range [-4, 3], use 0 for no de-skew. */
62fcd0cb28Sriastradh 	int duallink_skew; /** < Allowed range [-4, 3]. */
63fcd0cb28Sriastradh };
64fcd0cb28Sriastradh 
65fcd0cb28Sriastradh #endif
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