1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/**
* \file driver.h
* \brief DRI utility functions definitions.
*
* This module acts as glue between GLX and the actual hardware driver. A DRI
* driver doesn't really \e have to use any of this - it's optional. But, some
* useful stuff is done here that otherwise would have to be duplicated in most
* drivers.
*
* Basically, these utility functions take care of some of the dirty details of
* screen initialization, context creation, context binding, DRM setup, etc.
*
* These functions are compiled into each DRI driver so libGL.so knows nothing
* about them.
*
* Look for more comments in the dri_util.c file.
*
* \author Kevin E. Martin <kevin@precisioninsight.com>
* \author Brian Paul <brian@precisioninsight.com>
*/
/*
* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT 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 _driver_H_
#define _driver_H_
#define CAPI /* XXX this should be globally defined somewhere */
#include "GL/gl.h"
#include "GL/internal/glcore.h"
#include "drm.h"
#include "drm_sarea.h"
/**
* \brief DRIDriverContext type.
*/
typedef struct DRIDriverContextRec {
const char *pciBusID;
int pciBus;
int pciDevice;
int pciFunc;
int chipset;
int bpp;
int cpp;
int agpmode;
int isPCI;
unsigned long FBStart; /**< \brief physical address of the framebuffer */
unsigned long MMIOStart; /**< \brief physical address of the MMIO region */
int FBSize; /**< \brief size of the mmap'd framebuffer in bytes */
int MMIOSize; /**< \brief size of the mmap'd MMIO region in bytes */
void *FBAddress; /**< \brief start of the mmap'd framebuffer */
void *MMIOAddress; /**< \brief start of the mmap'd MMIO region */
/**
* \brief Client configuration details
*
* These are computed on the server and sent to clients as part of
* the initial handshaking.
*/
struct {
unsigned long hSAREA;
int SAREASize;
unsigned long hFrameBuffer;
int fbOrigin;
int fbSize;
int fbStride;
int virtualWidth;
int virtualHeight;
} shared;
/**
* \name From DRIInfoRec
*/
/*@{*/
int drmFD; /**< \brief DRM device file descriptor */
drm_sarea_t *pSAREA;
unsigned int serverContext; /**< \brief DRM context only active on server */
/*@}*/
/**
* \name Driver private
*
* Populated by __driInitFBDev()
*/
/*@{*/
void *driverPrivate;
void *driverClientMsg;
int driverClientMsgSize;
/*@}*/
} DRIDriverContext;
/**
* \brief Interface to the DRI driver.
*
* This structure is retrieved from the loadable driver by the \e
* __driDriver symbol to access the Mini GLX specific hardware
* initialization and take down routines.
*/
typedef struct DRIDriverRec {
/**
* \brief Validate the framebuffer device mode
*/
int (*validateMode)( const DRIDriverContext *context );
/**
* \brief Examine mode returned by fbdev (may differ from the one
* requested), restore any hw regs clobbered by fbdev.
*/
int (*postValidateMode)( const DRIDriverContext *context );
/**
* \brief Initialize the framebuffer device.
*/
int (*initFBDev)( DRIDriverContext *context );
/**
* \brief Halt the framebuffer device.
*/
void (*haltFBDev)( DRIDriverContext *context );
/**
* \brief Idle and shutdown hardware in preparation for a VT switch.
*/
int (*shutdownHardware)( const DRIDriverContext *context );
/**
* \brief Restore hardware state after regaining the VT.
*/
int (*restoreHardware)( const DRIDriverContext *context );
/**
* \brief Notify hardware driver of gain/loose focus. May be zero
* as this is of limited utility for most drivers.
*/
void (*notifyFocus)( int have_focus );
} DRIDriver;
#endif /* _driver_H_ */
|
