xref: /linux/drivers/gpu/drm/nouveau/include/dispnv04/i2c/sil164.h (revision bbfd5594756011167b8f8de9a00e0c946afda1e6)
1*9a0dfe9bSDmitry Baryshkov /*
2*9a0dfe9bSDmitry Baryshkov  * Copyright (C) 2010 Francisco Jerez.
3*9a0dfe9bSDmitry Baryshkov  * All Rights Reserved.
4*9a0dfe9bSDmitry Baryshkov  *
5*9a0dfe9bSDmitry Baryshkov  * Permission is hereby granted, free of charge, to any person obtaining
6*9a0dfe9bSDmitry Baryshkov  * a copy of this software and associated documentation files (the
7*9a0dfe9bSDmitry Baryshkov  * "Software"), to deal in the Software without restriction, including
8*9a0dfe9bSDmitry Baryshkov  * without limitation the rights to use, copy, modify, merge, publish,
9*9a0dfe9bSDmitry Baryshkov  * distribute, sublicense, and/or sell copies of the Software, and to
10*9a0dfe9bSDmitry Baryshkov  * permit persons to whom the Software is furnished to do so, subject to
11*9a0dfe9bSDmitry Baryshkov  * the following conditions:
12*9a0dfe9bSDmitry Baryshkov  *
13*9a0dfe9bSDmitry Baryshkov  * The above copyright notice and this permission notice (including the
14*9a0dfe9bSDmitry Baryshkov  * next paragraph) shall be included in all copies or substantial
15*9a0dfe9bSDmitry Baryshkov  * portions of the Software.
16*9a0dfe9bSDmitry Baryshkov  *
17*9a0dfe9bSDmitry Baryshkov  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18*9a0dfe9bSDmitry Baryshkov  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19*9a0dfe9bSDmitry Baryshkov  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20*9a0dfe9bSDmitry Baryshkov  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21*9a0dfe9bSDmitry Baryshkov  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22*9a0dfe9bSDmitry Baryshkov  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23*9a0dfe9bSDmitry Baryshkov  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24*9a0dfe9bSDmitry Baryshkov  *
25*9a0dfe9bSDmitry Baryshkov  */
26*9a0dfe9bSDmitry Baryshkov 
27*9a0dfe9bSDmitry Baryshkov #ifndef __NOUVEAU_I2C_SIL164_H__
28*9a0dfe9bSDmitry Baryshkov #define __NOUVEAU_I2C_SIL164_H__
29*9a0dfe9bSDmitry Baryshkov 
30*9a0dfe9bSDmitry Baryshkov /**
31*9a0dfe9bSDmitry Baryshkov  * struct sil164_encoder_params
32*9a0dfe9bSDmitry Baryshkov  *
33*9a0dfe9bSDmitry Baryshkov  * Describes how the sil164 is connected to the GPU. It should be used
34*9a0dfe9bSDmitry Baryshkov  * as the @params parameter of its @set_config method.
35*9a0dfe9bSDmitry Baryshkov  *
36*9a0dfe9bSDmitry Baryshkov  * See "http://www.siliconimage.com/docs/SiI-DS-0021-E-164.pdf".
37*9a0dfe9bSDmitry Baryshkov  */
38*9a0dfe9bSDmitry Baryshkov struct sil164_encoder_params {
39*9a0dfe9bSDmitry Baryshkov 	/* private: FIXME: document the members */
40*9a0dfe9bSDmitry Baryshkov 	enum {
41*9a0dfe9bSDmitry Baryshkov 		SIL164_INPUT_EDGE_FALLING = 0,
42*9a0dfe9bSDmitry Baryshkov 		SIL164_INPUT_EDGE_RISING
43*9a0dfe9bSDmitry Baryshkov 	} input_edge;
44*9a0dfe9bSDmitry Baryshkov 
45*9a0dfe9bSDmitry Baryshkov 	enum {
46*9a0dfe9bSDmitry Baryshkov 		SIL164_INPUT_WIDTH_12BIT = 0,
47*9a0dfe9bSDmitry Baryshkov 		SIL164_INPUT_WIDTH_24BIT
48*9a0dfe9bSDmitry Baryshkov 	} input_width;
49*9a0dfe9bSDmitry Baryshkov 
50*9a0dfe9bSDmitry Baryshkov 	enum {
51*9a0dfe9bSDmitry Baryshkov 		SIL164_INPUT_SINGLE_EDGE = 0,
52*9a0dfe9bSDmitry Baryshkov 		SIL164_INPUT_DUAL_EDGE
53*9a0dfe9bSDmitry Baryshkov 	} input_dual;
54*9a0dfe9bSDmitry Baryshkov 
55*9a0dfe9bSDmitry Baryshkov 	enum {
56*9a0dfe9bSDmitry Baryshkov 		SIL164_PLL_FILTER_ON = 0,
57*9a0dfe9bSDmitry Baryshkov 		SIL164_PLL_FILTER_OFF,
58*9a0dfe9bSDmitry Baryshkov 	} pll_filter;
59*9a0dfe9bSDmitry Baryshkov 
60*9a0dfe9bSDmitry Baryshkov 	int input_skew; /** < Allowed range [-4, 3], use 0 for no de-skew. */
61*9a0dfe9bSDmitry Baryshkov 	int duallink_skew; /** < Allowed range [-4, 3]. */
62*9a0dfe9bSDmitry Baryshkov };
63*9a0dfe9bSDmitry Baryshkov 
64*9a0dfe9bSDmitry Baryshkov #endif
65