linux/include/drm/i2c/sil164.h
Francisco Jerez e190bfe568 drm: Import driver for the sil164 I2C TMDS transmitter.
sil164 transmitters are used for DVI outputs on Intel/nvidia and ATI setups.

So far only nouveau can use this driver.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Tested-by: Patrice Mandin <patmandin@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:21:13 +10:00

64 lines
1.9 KiB
C

/*
* Copyright (C) 2010 Francisco Jerez.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __DRM_I2C_SIL164_H__
#define __DRM_I2C_SIL164_H__
/**
* struct sil164_encoder_params
*
* Describes how the sil164 is connected to the GPU. It should be used
* as the @params parameter of its @set_config method.
*
* See "http://www.siliconimage.com/docs/SiI-DS-0021-E-164.pdf".
*/
struct sil164_encoder_params {
enum {
SIL164_INPUT_EDGE_FALLING = 0,
SIL164_INPUT_EDGE_RISING
} input_edge;
enum {
SIL164_INPUT_WIDTH_12BIT = 0,
SIL164_INPUT_WIDTH_24BIT
} input_width;
enum {
SIL164_INPUT_SINGLE_EDGE = 0,
SIL164_INPUT_DUAL_EDGE
} input_dual;
enum {
SIL164_PLL_FILTER_ON = 0,
SIL164_PLL_FILTER_OFF,
} pll_filter;
int input_skew; /** < Allowed range [-4, 3], use 0 for no de-skew. */
int duallink_skew; /** < Allowed range [-4, 3]. */
};
#endif