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  1. /*
  2.  * Copyright 2007, 2008  Egbert Eich   <eich@novell.com>
  3.  * Copyright 2007, 2008  Luc Verhaegen <lverhaegen@novell.com>
  4.  * Copyright 2007, 2008  Matthias Hopf <mhopf@novell.com>
  5.  * Copyright 2007, 2008  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.  
  26. #ifndef RHD_BIOSSCRATCH_H_
  27. # define RHD_BIOSSCRATCH_H_
  28.  
  29. # ifdef ATOM_BIOS
  30.  
  31. struct BIOSScratchOutputPrivate {
  32.     void (*Mode) (struct rhdOutput *Output, DisplayModePtr Mode);
  33.     void (*Power) (struct rhdOutput *Output, int Power);
  34.     void (*Destroy) (struct rhdOutput *Output);
  35.     struct rhdOutputDevices *OutputDevices;
  36.     enum atomDevice Device;
  37. };
  38.  
  39. struct rhdAtomOutputDeviceList {
  40.     enum atomDevice DeviceId;
  41.     enum rhdOutputType OutputType;
  42.     enum rhdConnectorType ConnectorType;
  43. };
  44.  
  45. enum rhdBIOSScratchBlAction {
  46.     rhdBIOSScratchBlGet,
  47.     rhdBIOSScratchBlSet
  48. };
  49.  
  50.  
  51. extern struct rhdBiosScratchRegisters *RHDSaveBiosScratchRegisters(RHDPtr rhdPtr);
  52. extern void RHDRestoreBiosScratchRegisters(RHDPtr rhdPtr,
  53.                                            struct rhdBiosScratchRegisters * regs);
  54.  
  55. # if defined (ATOM_BIOS_PARSER)
  56. extern enum rhdSensedOutput RHDBIOSScratchDACSense(struct rhdOutput *Output,
  57.                                                    struct rhdConnector *Connector);
  58. # endif
  59. extern Bool RHDAtomSetupOutputDriverPrivate(struct rhdAtomOutputDeviceList *Devices,
  60.                                             struct rhdOutput *Output);
  61. extern Bool RHDFindConnectorAndOutputTypesForDevice(RHDPtr rhdPtr, enum atomDevice Device,
  62.                                                     enum rhdOutputType *ot,
  63.                                                     enum rhdConnectorType *ct);
  64. extern enum atomDevice RHDGetDeviceOnCrtc(RHDPtr rhdPtr, enum atomCrtc Crtc);
  65.  
  66. extern void RHDAtomBIOSScratchBlLevel(RHDPtr rhdPtr, enum rhdBIOSScratchBlAction action,
  67.                                       int *val);
  68.  
  69. extern void RHDAtomBIOSScratchSetAccelratorMode(RHDPtr rhdPtr, Bool on);
  70. extern void RHDAtomBIOSScratchPMState(RHDPtr rhdPtr, struct rhdOutput *Output,
  71.                                       int PowerManagementMode);
  72. # endif /* ATOM_BIOS */
  73. #endif /* RHD_BIOSSCRATCH_H_ */
  74.