| 1 | /*
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| 2 | * Copyright 1990, 1991 by Thomas Roell, Dinkelscherben, Germany
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| 3 | * Copyright 1992 by David Dawes <dawes@XFree86.org>
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| 4 | * Copyright 1992 by Jim Tsillas <jtsilla@damon.ccs.northeastern.edu>
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| 5 | * Copyright 1992 by Rich Murphey <Rich@Rice.edu>
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| 6 | * Copyright 1992 by Robert Baron <Robert.Baron@ernst.mach.cs.cmu.edu>
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| 7 | * Copyright 1992 by Orest Zborowski <obz@eskimo.com>
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| 8 | * Copyright 1993 by Vrije Universiteit, The Netherlands
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| 9 | * Copyright 1993 by David Wexelblat <dwex@XFree86.org>
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| 10 | * Copyright 1994, 1996 by Holger Veit <Holger.Veit@gmd.de>
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| 11 | * Copyright 1994-2003 by The XFree86 Project, Inc
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| 12 | *
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| 13 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 14 | * documentation for any purpose is hereby granted without fee, provided that
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| 15 | * the above copyright notice appear in all copies and that both that
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| 16 | * copyright notice and this permission notice appear in supporting
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| 17 | * documentation, and that the names of the above listed copyright holders
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| 18 | * not be used in advertising or publicity pertaining to distribution of
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| 19 | * the software without specific, written prior permission. The above listed
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| 20 | * copyright holders make no representations about the suitability of this
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| 21 | * software for any purpose. It is provided "as is" without express or
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| 22 | * implied warranty.
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| 23 | *
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| 24 | * THE ABOVE LISTED COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD
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| 25 | * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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| 26 | * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDERS BE
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| 27 | * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
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| 28 | * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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| 29 | * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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| 30 | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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| 31 | *
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| 32 | */
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| 33 |
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| 34 | /*
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| 35 | * The ARM32 code here carries the following copyright:
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| 36 | *
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| 37 | * Copyright 1997
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| 38 | * Digital Equipment Corporation. All rights reserved.
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| 39 | * This software is furnished under license and may be used and copied only in
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| 40 | * accordance with the following terms and conditions. Subject to these
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| 41 | * conditions, you may download, copy, install, use, modify and distribute
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| 42 | * this software in source and/or binary form. No title or ownership is
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| 43 | * transferred hereby.
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| 44 | *
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| 45 | * 1) Any source code used, modified or distributed must reproduce and retain
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| 46 | * this copyright notice and list of conditions as they appear in the
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| 47 | * source file.
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| 48 | *
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| 49 | * 2) No right is granted to use any trade name, trademark, or logo of Digital
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| 50 | * Equipment Corporation. Neither the "Digital Equipment Corporation"
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| 51 | * name nor any trademark or logo of Digital Equipment Corporation may be
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| 52 | * used to endorse or promote products derived from this software without
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| 53 | * the prior written permission of Digital Equipment Corporation.
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| 54 | *
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| 55 | * 3) This software is provided "AS-IS" and any express or implied warranties,
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| 56 | * including but not limited to, any implied warranties of merchantability,
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| 57 | * fitness for a particular purpose, or non-infringement are disclaimed.
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| 58 | * In no event shall DIGITAL be liable for any damages whatsoever, and in
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| 59 | * particular, DIGITAL shall not be liable for special, indirect,
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| 60 | * consequential, or incidental damages or damages for lost profits, loss
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| 61 | * of revenue or loss of use, whether such damages arise in contract,
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| 62 | * negligence, tort, under statute, in equity, at law or otherwise, even
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| 63 | * if advised of the possibility of such damage.
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| 64 | *
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| 65 | */
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| 66 |
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| 67 |
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| 68 | #ifndef _XF86_OSPROC_H
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| 69 | #define _XF86_OSPROC_H
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| 70 |
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| 71 | #ifdef XF86_OS_PRIVS
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| 72 | #include "xf86Pci.h"
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| 73 | #endif
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| 74 |
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| 75 | /*
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| 76 | * The actual prototypes have been pulled into this seperate file so
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| 77 | * that they can can be used without pulling in all of the OS specific
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| 78 | * stuff like sys/stat.h, etc. This casues problem for loadable modules.
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| 79 | */
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| 80 |
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| 81 | /*
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| 82 | * Flags for xf86MapVidMem(). Multiple flags can be or'd together. The
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| 83 | * flags may be used as hints. For example it would be permissible to
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| 84 | * enable write combining for memory marked only for framebuffer use.
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| 85 | */
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| 86 |
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| 87 | #define VIDMEM_FRAMEBUFFER 0x01 /* memory for framebuffer use */
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| 88 | #define VIDMEM_MMIO 0x02 /* memory for I/O use */
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| 89 | #define VIDMEM_MMIO_32BIT 0x04 /* memory accesses >= 32bit */
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| 90 | #define VIDMEM_READSIDEEFFECT 0x08 /* reads can have side-effects */
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| 91 | #define VIDMEM_SPARSE 0x10 /* sparse mapping required
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| 92 | * assumed when VIDMEM_MMIO is
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| 93 | * set. May be used with
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| 94 | * VIDMEM_FRAMEBUFFER) */
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| 95 | #define VIDMEM_READONLY 0x20 /* read-only mapping
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| 96 | * used when reading BIOS images
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| 97 | * through xf86MapVidMem() */
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| 98 |
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| 99 | /*
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| 100 | * OS-independent modem state flags for xf86SetSerialModemState() and
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| 101 | * xf86GetSerialModemState().
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| 102 | */
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| 103 | #define XF86_M_LE 0x001 /* line enable */
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| 104 | #define XF86_M_DTR 0x002 /* data terminal ready */
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| 105 | #define XF86_M_RTS 0x004 /* request to send */
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| 106 | #define XF86_M_ST 0x008 /* secondary transmit */
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| 107 | #define XF86_M_SR 0x010 /* secondary receive */
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| 108 | #define XF86_M_CTS 0x020 /* clear to send */
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| 109 | #define XF86_M_CAR 0x040 /* carrier detect */
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| 110 | #define XF86_M_RNG 0x080 /* ring */
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| 111 | #define XF86_M_DSR 0x100 /* data set ready */
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| 112 |
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| 113 | #ifdef XF86_OS_PRIVS
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| 114 | extern void xf86WrapperInit(void);
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| 115 | #endif
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| 116 |
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| 117 | #ifndef NO_OSLIB_PROTOTYPES
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| 118 | /*
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| 119 | * This is to prevent re-entrancy to FatalError() when aborting.
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| 120 | * Anything that can be called as a result of AbortDDX() should use this
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| 121 | * instead of FatalError().
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| 122 | */
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| 123 |
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| 124 | #define xf86FatalError(a, b) \
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| 125 | if (dispatchException & DE_TERMINATE) { \
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| 126 | ErrorF(a, b); \
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| 127 | ErrorF("\n"); \
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| 128 | return; \
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| 129 | } else FatalError(a, b)
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| 130 |
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| 131 | /***************************************************************************/
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| 132 | /* Prototypes */
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| 133 | /***************************************************************************/
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| 134 |
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| 135 | #include <X11/Xfuncproto.h>
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| 136 | #include "opaque.h"
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| 137 |
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| 138 | _XFUNCPROTOBEGIN
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| 139 |
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| 140 | /* public functions */
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| 141 | extern Bool xf86LinearVidMem(void);
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| 142 | extern Bool xf86CheckMTRR(int);
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| 143 | extern pointer xf86MapVidMem(int, int, unsigned long, unsigned long);
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| 144 | extern void xf86UnMapVidMem(int, pointer, unsigned long);
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| 145 | extern void xf86MapReadSideEffects(int, int, pointer, unsigned long);
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| 146 | extern int xf86ReadBIOS(unsigned long, unsigned long, unsigned char *, int);
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| 147 | extern Bool xf86EnableIO(void);
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| 148 | extern void xf86DisableIO(void);
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| 149 | extern void xf86SetTVOut(int);
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| 150 | extern void xf86SetRGBOut(void);
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| 151 | extern void xf86OSRingBell(int, int, int);
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| 152 | extern void xf86BusToMem(unsigned char *, unsigned char *, int);
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| 153 | extern void xf86MemToBus(unsigned char *, unsigned char *, int);
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| 154 | extern void xf86UDelay(long usec);
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| 155 | extern void xf86SetReallySlowBcopy(void);
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| 156 | extern void xf86SlowBcopy(unsigned char *, unsigned char *, int);
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| 157 | extern int xf86OpenSerial(pointer options);
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| 158 | extern int xf86SetSerial(int fd, pointer options);
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| 159 | extern int xf86SetSerialSpeed(int fd, int speed);
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| 160 | extern int xf86ReadSerial(int fd, void *buf, int count);
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| 161 | extern int xf86WriteSerial(int fd, const void *buf, int count);
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| 162 | extern int xf86CloseSerial(int fd);
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| 163 | extern int xf86FlushInput(int fd);
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| 164 | extern int xf86WaitForInput(int fd, int timeout);
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| 165 | extern int xf86SerialSendBreak(int fd, int duration);
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| 166 | extern int xf86SetSerialModemState(int fd, int state);
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| 167 | extern int xf86GetSerialModemState(int fd);
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| 168 | extern int xf86SerialModemSetBits(int fd, int bits);
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| 169 | extern int xf86SerialModemClearBits(int fd, int bits);
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| 170 | extern int xf86LoadKernelModule(const char *pathname);
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| 171 | extern void xf86RingBell(int volume, int pitch, int duration);
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| 172 |
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| 173 | /* AGP GART interface */
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| 174 |
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| 175 | typedef struct _AgpInfo {
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| 176 | CARD32 bridgeId;
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| 177 | CARD32 agpMode;
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| 178 | unsigned long base;
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| 179 | unsigned long size;
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| 180 | unsigned long totalPages;
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| 181 | unsigned long systemPages;
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| 182 | unsigned long usedPages;
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| 183 | } AgpInfo, *AgpInfoPtr;
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| 184 |
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| 185 | extern Bool xf86AgpGARTSupported(void);
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| 186 | extern AgpInfoPtr xf86GetAGPInfo(int screenNum);
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| 187 | extern Bool xf86AcquireGART(int screenNum);
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| 188 | extern Bool xf86ReleaseGART(int screenNum);
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| 189 | extern int xf86AllocateGARTMemory(int screenNum, unsigned long size, int type,
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| 190 | unsigned long *physical);
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| 191 | extern Bool xf86DeallocateGARTMemory(int screenNum, int key);
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| 192 | extern Bool xf86BindGARTMemory(int screenNum, int key, unsigned long offset);
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| 193 | extern Bool xf86UnbindGARTMemory(int screenNum, int key);
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| 194 | extern Bool xf86EnableAGP(int screenNum, CARD32 mode);
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| 195 | extern Bool xf86GARTCloseScreen(int screenNum);
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| 196 |
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| 197 | /* These routines are in shared/sigio.c and are not loaded as part of the
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| 198 | module. These routines are small, and the code if very POSIX-signal (or
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| 199 | OS-signal) specific, so it seemed better to provide more complex
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| 200 | wrappers than to wrap each individual function called. */
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| 201 | extern int xf86InstallSIGIOHandler(int fd, void (*f)(int, void *), void *);
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| 202 | extern int xf86RemoveSIGIOHandler(int fd);
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| 203 | extern int xf86BlockSIGIO (void);
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| 204 | extern void xf86UnblockSIGIO (int);
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| 205 | extern void xf86AssertBlockedSIGIO (char *);
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| 206 | extern Bool xf86SIGIOSupported (void);
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| 207 |
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| 208 | #ifdef XF86_OS_PRIVS
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| 209 | typedef void (*PMClose)(void);
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| 210 | extern void xf86OpenConsole(void);
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| 211 | extern void xf86CloseConsole(void);
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| 212 | extern Bool xf86VTSwitchPending(void);
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| 213 | extern Bool xf86VTSwitchAway(void);
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| 214 | extern Bool xf86VTSwitchTo(void);
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| 215 | extern void xf86VTRequest(int sig);
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| 216 | extern int xf86ProcessArgument(int, char **, int);
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| 217 | extern void xf86UseMsg(void);
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| 218 | extern void xf86ReloadInputDevs(int sig);
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| 219 | extern PMClose xf86OSPMOpen(void);
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| 220 |
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| 221 | #ifdef NEED_OS_RAC_PROTOS
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| 222 | /* RAC-related privs */
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| 223 | /* internal to os-support layer */
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| 224 | resPtr xf86StdAccResFromOS(resPtr ret);
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| 225 |
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| 226 | /* available to the common layer */
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| 227 | resPtr xf86AccResFromOS(resPtr ret);
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| 228 | #endif /* NEED_OS_RAC_PROTOS */
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| 229 |
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| 230 | extern unsigned long xf86GetOSOffsetFromPCI(PCITAG tag, int space, unsigned long base);
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| 231 |
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| 232 | extern void xf86MakeNewMapping(int, int, unsigned long, unsigned long, pointer);
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| 233 | extern void xf86InitVidMem(void);
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| 234 |
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| 235 | #endif /* XF86_OS_PRIVS */
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| 236 |
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| 237 |
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| 238 | _XFUNCPROTOEND
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| 239 | #endif /* NO_OSLIB_PROTOTYPES */
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| 240 |
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| 241 | #endif /* _XF86_OSPROC_H */
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