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  1. /*
  2.  * Copyright 2007  Luc Verhaegen <lverhaegen@novell.com>
  3.  * Copyright 2007  Matthias Hopf <mhopf@novell.com>
  4.  * Copyright 2007  Egbert Eich   <eich@novell.com>
  5.  * Copyright 2007  Advanced Micro Devices, Inc.
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the "Software"),
  9.  * to deal in the Software without restriction, including without limitation
  10.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11.  * and/or sell copies of the Software, and to permit persons to whom the
  12.  * Software is furnished to do so, subject to the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice shall be included in
  15.  * all copies or substantial portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23.  * OTHER DEALINGS IN THE SOFTWARE.
  24.  */
  25. #ifndef RHD_I2C_H_
  26. # define RHD_I2C_H_
  27.  
  28. //#include "xf86DDC.h"
  29. #include "xf86i2c.h"
  30.  
  31.  
  32. typedef enum {
  33.     RHD_I2C_INIT,
  34.     RHD_I2C_DDC,
  35.     RHD_I2C_PROBE_ADDR_LINE,
  36.     RHD_I2C_PROBE_ADDR,
  37.     RHD_I2C_GETBUS,
  38.     RHD_I2C_TEARDOWN
  39. } RHDi2cFunc;
  40.  
  41. typedef union RHDI2CDataArg
  42. {
  43.     I2CBusPtr *I2CBusList;
  44.     int i;
  45.     struct {
  46.         int line;
  47.         CARD8 slave;
  48.     } target;
  49.     struct {
  50.         CARD8 slave;
  51.         I2CBusPtr i2cBusPtr;
  52.     } probe;
  53.     struct
  54.     {
  55.         int line;
  56.     CARD32 slaves[4];
  57.     } scanbus;
  58.     xf86MonPtr monitor;
  59.     I2CBusPtr i2cBusPtr;
  60. } RHDI2CDataArg, *RHDI2CDataArgPtr;
  61.  
  62. typedef enum {
  63.     RHD_I2C_SUCCESS,
  64.     RHD_I2C_NOLINE,
  65.     RHD_I2C_FAILED
  66. } RHDI2CResult;
  67.  
  68. RHDI2CResult
  69. RHDI2CFunc(int scrnIndex, I2CBusPtr *I2CList, RHDi2cFunc func,
  70.                         RHDI2CDataArgPtr data);
  71. #endif
  72.