summaryrefslogtreecommitdiff
path: root/hw/xfree86/os-support/xf86_OSproc.h
blob: 981d4ad1db641ebc5d1db75adf4683dc150da9f6 (plain)
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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
/*
 * Copyright 1990, 1991 by Thomas Roell, Dinkelscherben, Germany
 * Copyright 1992 by David Dawes <dawes@XFree86.org>
 * Copyright 1992 by Jim Tsillas <jtsilla@damon.ccs.northeastern.edu>
 * Copyright 1992 by Rich Murphey <Rich@Rice.edu>
 * Copyright 1992 by Robert Baron <Robert.Baron@ernst.mach.cs.cmu.edu>
 * Copyright 1992 by Orest Zborowski <obz@eskimo.com>
 * Copyright 1993 by Vrije Universiteit, The Netherlands
 * Copyright 1993 by David Wexelblat <dwex@XFree86.org>
 * Copyright 1994, 1996 by Holger Veit <Holger.Veit@gmd.de>
 * Copyright 1994-2003 by The XFree86 Project, Inc
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the names of the above listed copyright holders 
 * not be used in advertising or publicity pertaining to distribution of 
 * the software without specific, written prior permission.  The above listed
 * copyright holders make no representations about the suitability of this 
 * software for any purpose.  It is provided "as is" without express or 
 * implied warranty.
 *
 * THE ABOVE LISTED COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD 
 * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
 * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDERS BE 
 * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY 
 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER 
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

/*
 * The ARM32 code here carries the following copyright:
 *
 * Copyright 1997
 * Digital Equipment Corporation. All rights reserved.
 * This software is furnished under license and may be used and copied only in 
 * accordance with the following terms and conditions.  Subject to these
 * conditions, you may download, copy, install, use, modify and distribute
 * this software in source and/or binary form. No title or ownership is
 * transferred hereby.
 *
 * 1) Any source code used, modified or distributed must reproduce and retain
 *    this copyright notice and list of conditions as they appear in the
 *    source file.
 *
 * 2) No right is granted to use any trade name, trademark, or logo of Digital 
 *    Equipment Corporation. Neither the "Digital Equipment Corporation"
 *    name nor any trademark or logo of Digital Equipment Corporation may be
 *    used to endorse or promote products derived from this software without
 *    the prior written permission of Digital Equipment Corporation.
 *
 * 3) This software is provided "AS-IS" and any express or implied warranties,
 *    including but not limited to, any implied warranties of merchantability,
 *    fitness for a particular purpose, or non-infringement are disclaimed.
 *    In no event shall DIGITAL be liable for any damages whatsoever, and in
 *    particular, DIGITAL shall not be liable for special, indirect,
 *    consequential, or incidental damages or damages for lost profits, loss
 *    of revenue or loss of use, whether such damages arise in contract, 
 *    negligence, tort, under statute, in equity, at law or otherwise, even
 *    if advised of the possibility of such damage. 
 *
 */

/* $XFree86$ */

#ifndef _XF86_OSPROC_H
#define _XF86_OSPROC_H

#ifdef XF86_OS_PRIVS
#include "xf86Pci.h"
#endif

/*
 * The actual prototypes have been pulled into this seperate file so
 * that they can can be used without pulling in all of the OS specific
 * stuff like sys/stat.h, etc. This casues problem for loadable modules.
 */ 

/*
 * Flags for xf86MapVidMem().  Multiple flags can be or'd together.  The
 * flags may be used as hints.  For example it would be permissible to
 * enable write combining for memory marked only for framebuffer use.
 */

#define VIDMEM_FRAMEBUFFER	0x01	/* memory for framebuffer use */
#define VIDMEM_MMIO		0x02	/* memory for I/O use */
#define VIDMEM_MMIO_32BIT	0x04	/* memory accesses >= 32bit */
#define VIDMEM_READSIDEEFFECT	0x08	/* reads can have side-effects */
#define VIDMEM_SPARSE		0x10	/* sparse mapping required
					 * assumed when VIDMEM_MMIO is
					 * set. May be used with
					 * VIDMEM_FRAMEBUFFER) */
#define VIDMEM_READONLY		0x20	/* read-only mapping
					 * used when reading BIOS images
					 * through xf86MapVidMem() */

/*
 * OS-independent modem state flags for xf86SetSerialModemState() and
 * xf86GetSerialModemState().
 */
#define XF86_M_LE		0x001	/* line enable */
#define XF86_M_DTR		0x002	/* data terminal ready */
#define XF86_M_RTS		0x004	/* request to send */
#define XF86_M_ST		0x008	/* secondary transmit */
#define XF86_M_SR		0x010	/* secondary receive */
#define XF86_M_CTS		0x020	/* clear to send */
#define XF86_M_CAR		0x040	/* carrier detect */
#define XF86_M_RNG		0x080	/* ring */
#define XF86_M_DSR		0x100	/* data set ready */

#ifdef XF86_OS_PRIVS
extern void xf86WrapperInit(void);
#endif

#ifndef NO_OSLIB_PROTOTYPES
/*
 * This is to prevent re-entrancy to FatalError() when aborting.
 * Anything that can be called as a result of AbortDDX() should use this
 * instead of FatalError().
 */

#define xf86FatalError(a, b) \
	if (dispatchException & DE_TERMINATE) { \
		ErrorF(a, b); \
		ErrorF("\n"); \
		return; \
	} else FatalError(a, b)

/***************************************************************************/
/* Prototypes                                                              */
/***************************************************************************/

#include <X11/Xfuncproto.h>
#include "opaque.h"

_XFUNCPROTOBEGIN

/* public functions */
extern Bool xf86LinearVidMem(void);
extern Bool xf86CheckMTRR(int); 
extern pointer xf86MapVidMem(int, int, unsigned long, unsigned long);
extern void xf86UnMapVidMem(int, pointer, unsigned long);
extern void xf86MapReadSideEffects(int, int, pointer, unsigned long);
extern int xf86ReadBIOS(unsigned long, unsigned long, unsigned char *, int);
extern void xf86EnableIO(void);
extern void xf86DisableIO(void);
extern Bool xf86DisableInterrupts(void);
extern void xf86EnableInterrupts(void);
extern void xf86SetTVOut(int);
extern void xf86SetRGBOut(void);
extern void xf86SoundKbdBell(int, int, int);
#if defined(QNX4)
#pragma aux xf86BusToMem modify [eax ebx ecx edx esi edi];
#pragma aux xf86MemToBus modify [eax ebx ecx edx esi edi];
#endif
extern void xf86BusToMem(unsigned char *, unsigned char *, int);
extern void xf86MemToBus(unsigned char *, unsigned char *, int);
extern void xf86IODelay(void);
extern void xf86UDelay(long usec);
extern void xf86SlowBcopy(unsigned char *, unsigned char *, int);
extern int xf86OpenSerial(pointer options);
extern int xf86SetSerial(int fd, pointer options);
extern int xf86SetSerialSpeed(int fd, int speed);
extern int xf86ReadSerial(int fd, void *buf, int count);
extern int xf86WriteSerial(int fd, const void *buf, int count);
extern int xf86CloseSerial(int fd);
extern int xf86FlushInput(int fd);
extern int xf86WaitForInput(int fd, int timeout);
extern int xf86SerialSendBreak(int fd, int duration);
extern int xf86SetSerialModemState(int fd, int state);
extern int xf86GetSerialModemState(int fd);
extern int xf86SerialModemSetBits(int fd, int bits);
extern int xf86SerialModemClearBits(int fd, int bits);
extern int xf86LoadKernelModule(const char *pathname);

/* AGP GART interface */

typedef struct _AgpInfo {
	CARD32		bridgeId;
	CARD32		agpMode;
	unsigned long	base;
	unsigned long	size;
	unsigned long	totalPages;
	unsigned long	systemPages;
	unsigned long	usedPages;
} AgpInfo, *AgpInfoPtr;

extern Bool xf86AgpGARTSupported(void);
extern AgpInfoPtr xf86GetAGPInfo(int screenNum);
extern Bool xf86AcquireGART(int screenNum);
extern Bool xf86ReleaseGART(int screenNum);
extern int xf86AllocateGARTMemory(int screenNum, unsigned long size, int type,
				  unsigned long *physical);
extern Bool xf86BindGARTMemory(int screenNum, int key, unsigned long offset);
extern Bool xf86UnbindGARTMemory(int screenNum, int key);
extern Bool xf86EnableAGP(int screenNum, CARD32 mode);
extern Bool xf86GARTCloseScreen(int screenNum);

/* These routines are in shared/sigio.c and are not loaded as part of the
   module.  These routines are small, and the code if very POSIX-signal (or
   OS-signal) specific, so it seemed better to provide more complex
   wrappers than to wrap each individual function called. */
extern int xf86InstallSIGIOHandler(int fd, void (*f)(int, void *), void *);
extern int xf86RemoveSIGIOHandler(int fd);
extern int xf86BlockSIGIO (void);
extern void xf86UnblockSIGIO (int);
#ifdef XFree86Server
extern void xf86AssertBlockedSIGIO (char *);
#endif
extern Bool xf86SIGIOSupported (void);

#ifdef XF86_OS_PRIVS
typedef void (*PMClose)(void);
extern void xf86OpenConsole(void);
extern void xf86CloseConsole(void);
extern Bool xf86VTSwitchPending(void);
extern Bool xf86VTSwitchAway(void);
extern Bool xf86VTSwitchTo(void);
extern void xf86VTRequest(int sig);
extern int xf86ProcessArgument(int, char **, int);
extern void xf86UseMsg(void);
extern void xf86SetKbdLeds(int);
extern int xf86GetKbdLeds(void);
extern void xf86SetKbdRepeat(char);
extern void xf86KbdInit(void);
extern int xf86KbdOn(void);
extern int xf86KbdOff(void);
extern void xf86KbdEvents(void);
#ifdef XQUEUE
extern int  xf86XqueKbdProc(DeviceIntPtr, int);
extern void xf86XqueEvents(void);
#endif
#ifdef WSCONS_SUPPORT
extern void xf86WSKbdEvents(void);
#endif
extern PMClose xf86OSPMOpen(void);

#ifdef NEED_OS_RAC_PROTOS
/* RAC-related privs */
/* internal to os-support layer */
resPtr xf86StdBusAccWindowsFromOS(void);
resPtr xf86StdPciAccWindowsFromOS(void);
resPtr xf86StdIsaAccWindowsFromOS(void);
resPtr xf86StdAccResFromOS(resPtr ret);

/* available to the common layer */
resPtr xf86BusAccWindowsFromOS(void);
resPtr xf86PciBusAccWindowsFromOS(void);
#ifdef INCLUDE_UNUSED
resPtr xf86IsaBusAccWindowsFromOS(void);
#endif
resPtr xf86AccResFromOS(resPtr ret);
#endif /* NEED_OS_RAC_PROTOS */

extern Bool xf86GetPciSizeFromOS(PCITAG tag, int indx, int* bits);

extern void xf86MakeNewMapping(int, int, unsigned long, unsigned long, pointer);
extern void xf86InitVidMem(void);

#endif /* XF86_OS_PRIVS */


_XFUNCPROTOEND
#endif /* NO_OSLIB_PROTOTYPES */

#endif /* _XF86_OSPROC_H */