haiku/headers/private/graphics/vmware/DriverInterface.h
Michael Pfeiffer 9ffc1f4105 Checked in too soon.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23195 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-12-30 10:33:31 +00:00

128 lines
2.5 KiB
C

/*
* Copyright 1999, Be Incorporated.
* Copyright 2007, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Be Incorporated
* Eric Petit <eric.petit@lapsus.org>
* Michael Pfeiffer <laplace@users.sourceforge.net>
*/
#ifndef DRIVERINTERFACE_H
#define DRIVERINTERFACE_H
#include <GraphicsDefs.h>
#include <Accelerant.h>
#include <Drivers.h>
#include <PCI.h>
#include <OS.h>
#include "vm_device_version.h"
#include "svga_reg.h"
#define MAX_SAMPLE_DEVICE_NAME_LENGTH 32
#define CURSOR_ID 1
/*--------------------------------------------------------------------*/
/* Benaphores */
typedef struct {
sem_id sem;
int32 ben;
} Benaphore;
#define INIT_BEN(x) x.sem = create_sem(0, "VMware "#x); x.ben = 0;
#define ACQUIRE_BEN(x) if((atomic_add(&(x.ben), 1)) >= 1) acquire_sem(x.sem);
#define RELEASE_BEN(x) if((atomic_add(&(x.ben), -1)) > 1) release_sem(x.sem);
#define DELETE_BEN(x) delete_sem(x.sem);
/*--------------------------------------------------------------------*/
/* Utils */
#define ROUND_TO_PAGE_SIZE(x) (((x)+(B_PAGE_SIZE)-1)&~((B_PAGE_SIZE)-1))
static inline int
BppForSpace(int space)
{
switch (space) {
case B_RGB32:
return 32;
case B_RGB24:
return 24;
case B_RGB16:
return 16;
case B_RGB15:
return 15;
case B_CMAP8:
return 8;
}
return 0;
}
/*--------------------------------------------------------------------*/
/* Request codes for ioctl() */
enum {
VMWARE_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
VMWARE_FIFO_START,
VMWARE_FIFO_STOP,
VMWARE_FIFO_SYNC,
VMWARE_SET_MODE,
VMWARE_SHOW_CURSOR,
VMWARE_MOVE_CURSOR,
VMWARE_GET_DEVICE_NAME,
VMWARE_SET_PALETTE
};
/*--------------------------------------------------------------------*/
/* Structure shared between the kernel driver and the accelerant */
typedef struct {
/* Device info and capabilities */
uint16 vendorId;
uint16 deviceId;
uint8 revision;
uint32 maxWidth;
uint32 maxHeight;
void *fbDma;
uint32 fbSize;
void *fifoDma;
uint32 fifoSize;
uint32 fifoMin;
uint32 capabilities;
uint32 fifoCapabilities;
uint32 fifoFlags;
/* For registers access */
uint16 indexPort;
uint16 valuePort;
/* Mapped areas */
area_id fbArea;
void *fb;
area_id fifoArea;
void *fifo;
/* This changes when we switch to another mode */
uint32 fbOffset;
uint32 bytesPerRow;
/* Current display mode */
display_mode dm;
Benaphore engineLock;
Benaphore fifoLock;
uint32 fifoNext;
/* Cursor state */
bool cursorShow;
uint16 cursorX;
uint16 cursorY;
} SharedInfo;
#endif