sil164.h

 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 __NOUVEAU_I2C_SIL164_H__
28#define __NOUVEAU_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	/* private: FIXME: document the members */
40	enum {
41		SIL164_INPUT_EDGE_FALLING = 0,
42		SIL164_INPUT_EDGE_RISING
43	} input_edge;
44
45	enum {
46		SIL164_INPUT_WIDTH_12BIT = 0,
47		SIL164_INPUT_WIDTH_24BIT
48	} input_width;
49
50	enum {
51		SIL164_INPUT_SINGLE_EDGE = 0,
52		SIL164_INPUT_DUAL_EDGE
53	} input_dual;
54
55	enum {
56		SIL164_PLL_FILTER_ON = 0,
57		SIL164_PLL_FILTER_OFF,
58	} pll_filter;
59
60	int input_skew; /** < Allowed range [-4, 3], use 0 for no de-skew. */
61	int duallink_skew; /** < Allowed range [-4, 3]. */
62};
63
64#endif