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/*
* Copyright © 2004 Peter Osterlund
*
* 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 name of Red Hat
* not be used in advertising or publicity pertaining to distribution
* of the software without specific, written prior permission. Red
* Hat makes no representations about the suitability of this software
* for any purpose. It is provided "as is" without express or implied
* warranty.
*
* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL THE AUTHORS 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.
*
* Authors:
* Peter Osterlund (petero2@telia.com)
*/
#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 _SynapticsSHM;
struct SynapticsHwInfo;
struct CommData;
struct SynapticsProtocolOperations {
void (*DeviceOnHook)(LocalDevicePtr local, struct _SynapticsSHM *para);
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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