xref: /netbsd-src/sys/external/bsd/drm2/dist/include/drm/i2c/ch7006.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1*41ec0267Sriastradh /*	$NetBSD: ch7006.h,v 1.3 2021/12/18 23:45:46 riastradh Exp $	*/
2efa246c0Sriastradh 
3fcd0cb28Sriastradh /*
4fcd0cb28Sriastradh  * Copyright (C) 2009 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_CH7006_H__
30fcd0cb28Sriastradh #define __DRM_I2C_CH7006_H__
31fcd0cb28Sriastradh 
32fcd0cb28Sriastradh /**
33fcd0cb28Sriastradh  * struct ch7006_encoder_params
34fcd0cb28Sriastradh  *
35fcd0cb28Sriastradh  * Describes how the ch7006 is wired up with the GPU. It should be
36fcd0cb28Sriastradh  * used as the @params parameter of its @set_config method.
37fcd0cb28Sriastradh  *
38fcd0cb28Sriastradh  * See "http://www.chrontel.com/pdf/7006.pdf" for their precise
39fcd0cb28Sriastradh  * meaning.
40fcd0cb28Sriastradh  */
41fcd0cb28Sriastradh struct ch7006_encoder_params {
42fcd0cb28Sriastradh 	enum {
43fcd0cb28Sriastradh 		CH7006_FORMAT_RGB16 = 0,
44fcd0cb28Sriastradh 		CH7006_FORMAT_YCrCb24m16,
45fcd0cb28Sriastradh 		CH7006_FORMAT_RGB24m16,
46fcd0cb28Sriastradh 		CH7006_FORMAT_RGB15,
47fcd0cb28Sriastradh 		CH7006_FORMAT_RGB24m12C,
48fcd0cb28Sriastradh 		CH7006_FORMAT_RGB24m12I,
49fcd0cb28Sriastradh 		CH7006_FORMAT_RGB24m8,
50fcd0cb28Sriastradh 		CH7006_FORMAT_RGB16m8,
51fcd0cb28Sriastradh 		CH7006_FORMAT_RGB15m8,
52fcd0cb28Sriastradh 		CH7006_FORMAT_YCrCb24m8,
53fcd0cb28Sriastradh 	} input_format;
54fcd0cb28Sriastradh 
55fcd0cb28Sriastradh 	enum {
56fcd0cb28Sriastradh 		CH7006_CLOCK_SLAVE = 0,
57fcd0cb28Sriastradh 		CH7006_CLOCK_MASTER,
58fcd0cb28Sriastradh 	} clock_mode;
59fcd0cb28Sriastradh 
60fcd0cb28Sriastradh 	enum {
61fcd0cb28Sriastradh 		CH7006_CLOCK_EDGE_NEG = 0,
62fcd0cb28Sriastradh 		CH7006_CLOCK_EDGE_POS,
63fcd0cb28Sriastradh 	} clock_edge;
64fcd0cb28Sriastradh 
65fcd0cb28Sriastradh 	int xcm, pcm;
66fcd0cb28Sriastradh 
67fcd0cb28Sriastradh 	enum {
68fcd0cb28Sriastradh 		CH7006_SYNC_SLAVE = 0,
69fcd0cb28Sriastradh 		CH7006_SYNC_MASTER,
70fcd0cb28Sriastradh 	} sync_direction;
71fcd0cb28Sriastradh 
72fcd0cb28Sriastradh 	enum {
73fcd0cb28Sriastradh 		CH7006_SYNC_SEPARATED = 0,
74fcd0cb28Sriastradh 		CH7006_SYNC_EMBEDDED,
75fcd0cb28Sriastradh 	} sync_encoding;
76fcd0cb28Sriastradh 
77fcd0cb28Sriastradh 	enum {
78fcd0cb28Sriastradh 		CH7006_POUT_1_8V = 0,
79fcd0cb28Sriastradh 		CH7006_POUT_3_3V,
80fcd0cb28Sriastradh 	} pout_level;
81fcd0cb28Sriastradh 
82fcd0cb28Sriastradh 	enum {
83fcd0cb28Sriastradh 		CH7006_ACTIVE_HSYNC = 0,
84fcd0cb28Sriastradh 		CH7006_ACTIVE_DSTART,
85fcd0cb28Sriastradh 	} active_detect;
86fcd0cb28Sriastradh };
87fcd0cb28Sriastradh 
88fcd0cb28Sriastradh #endif
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