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/*
* Copyright 2004 Peter Osterlund <petero2@telia.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _SYNPROTO_H_
#define _SYNPROTO_H_
#include <unistd.h>
#include <sys/ioctl.h>
#include <xf86Xinput.h>
#include <xisb.h>
/*
* A structure to describe the state of the touchpad hardware (buttons and pad)
*/
struct SynapticsHwState {
int millis; /* Timestamp in milliseconds */
int x; /* X position of finger */
int y; /* Y position of finger */
int z; /* Finger pressure */
int numFingers;
int fingerWidth;
Bool left;
Bool right;
Bool up;
Bool down;
Bool multi[8];
Bool middle; /* Some ALPS touchpads have a middle button */
Bool guest_left; /* guest device */
Bool guest_mid;
Bool guest_right;
int guest_dx;
int guest_dy;
};
struct CommData {
XISBuffer *buffer;
unsigned char protoBuf[6]; /* Buffer for Packet */
unsigned char lastByte; /* Last read byte. Use for reset sequence detection. */
int outOfSync; /* How many consecutive incorrect packets we
have received */
int protoBufTail;
/* Used for keeping track of partial HwState updates. */
struct SynapticsHwState hwState;
Bool oneFinger;
Bool twoFingers;
Bool threeFingers;
};
enum SynapticsProtocol {
SYN_PROTO_PSAUX, /* Raw psaux device */
SYN_PROTO_EVENT, /* Linux kernel event interface */
SYN_PROTO_PSM, /* FreeBSD psm driver */
SYN_PROTO_ALPS /* ALPS touchpad protocol */
};
struct SynapticsHwInfo;
struct CommData;
struct SynapticsProtocolOperations {
void (*DeviceOnHook)(LocalDevicePtr local);
void (*DeviceOffHook)(LocalDevicePtr local);
Bool (*QueryHardware)(LocalDevicePtr local, struct SynapticsHwInfo *synhw);
Bool (*ReadHwState)(LocalDevicePtr local, struct SynapticsHwInfo *synhw,
struct SynapticsProtocolOperations *proto_ops,
struct CommData *comm, struct SynapticsHwState *hwRet);
Bool (*AutoDevProbe)(LocalDevicePtr local);
};
extern struct SynapticsProtocolOperations psaux_proto_operations;
extern struct SynapticsProtocolOperations event_proto_operations;
extern struct SynapticsProtocolOperations psm_proto_operations;
extern struct SynapticsProtocolOperations alps_proto_operations;
#endif /* _SYNPROTO_H_ */
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