2 *-----------------------------------------------------------------------------
3 * Filename: appcontext.h
5 *-----------------------------------------------------------------------------
6 * Copyright (c) 2002-2010, Intel Corporation.
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9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
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12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
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26 *-----------------------------------------------------------------------------
28 * This is the inter-module header file for the client context module.
29 * It contains data structures needed for modules to use and manipulate
30 * the device state including hardware context switching.
31 *-----------------------------------------------------------------------------
34 #ifndef _APPCONTEXT_PLB_H
35 #define _APPCONTEXT_PLB_H
41 * This data structure contains a copy of all needed state variables and
42 * the logical context used by hardware for context switching. An IGD
43 * client driver can allocate a client context for each client or allocate
44 * just one to be shared by all clients.
48 * Add or modify the struct and other definitions for Poulsbo
50 typedef struct _appcontext {
53 unsigned char *hw_context_virt;
54 unsigned long hw_context_phys;
55 unsigned long hw_context_offset;
56 }appcontext_t, appcontext_plb_t;
58 int appcontext_set_plb(igd_display_h display,
60 appcontext_t *context,
61 int extstate_save_enable,
62 int extstate_restore_enable,