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
|
#ifndef _SYNAPTICS_H_
#define _SYNAPTICS_H_
#include <X11/Xdefs.h>
/******************************************************************************
* Public definitions.
* Used by driver and the shared memory configurator
*****************************************************************************/
typedef enum {
RT_TAP = 0, /* Right top corner */
RB_TAP, /* Right bottom corner */
LT_TAP, /* Left top corner */
LB_TAP, /* Left bottom corner */
F1_TAP, /* Non-corner tap, one finger */
F2_TAP, /* Non-corner tap, two fingers */
F3_TAP, /* Non-corner tap, three fingers */
MAX_TAP
} TapEvent;
struct SynapticsHwInfo {
unsigned long int model_id; /* Model-ID */
unsigned long int capabilities; /* Capabilities */
unsigned long int ext_cap; /* Extended Capabilities */
unsigned long int identity; /* Identification */
Bool hasGuest; /* Has a guest mouse */
};
#define SHM_SYNAPTICS 23947
typedef struct _SynapticsSHM
{
/* Current device state */
int x, y; /* actual x, y coordinates */
int z; /* pressure value */
int numFingers; /* number of fingers */
int fingerWidth; /* finger width value */
int left, right, up, down; /* left/right/up/down buttons */
Bool multi[8];
Bool middle;
int guest_left, guest_mid, guest_right; /* guest device buttons */
int guest_dx, guest_dy; /* guest device movement */
/* Probed hardware properties */
struct SynapticsHwInfo synhw;
/* Parameter data */
int left_edge, right_edge, top_edge, bottom_edge; /* edge coordinates absolute */
int finger_low, finger_high; /* finger detection values in Z-values */
unsigned long tap_time;
int tap_move; /* max. tapping-time and movement in packets and coord. */
int emulate_mid_button_time; /* Max time between left and right button presses to
emulate a middle button press. */
int scroll_dist_vert; /* Scrolling distance in absolute coordinates */
int scroll_dist_horiz; /* Scrolling distance in absolute coordinates */
double min_speed, max_speed, accl; /* movement parameters */
int edge_motion_min_z; /* finger pressure at which minimum edge motion speed is set */
int edge_motion_max_z; /* finger pressure at which maximum edge motion speed is set */
int edge_motion_min_speed; /* slowest setting for edge motion speed */
int edge_motion_max_speed; /* fastest setting for edge motion speed */
Bool edge_motion_use_always; /* If false, egde motion is used only when dragging */
char* repeater; /* Repeater on or off */
Bool updown_button_scrolling; /* Up/Down-Button scrolling or middle/double-click */
Bool touchpad_off; /* Switches the Touchpad off*/
Bool locked_drags; /* Enable locked drags */
int tap_action[MAX_TAP]; /* Button to report on tap events */
Bool circular_scrolling; /* Enable circular scrolling */
double scroll_dist_circ; /* Scrolling angle radians */
int circular_trigger; /* Trigger area for circular scrolling */
} SynapticsSHM;
/*
* The x/y limits are taken from the Synaptics TouchPad interfacing Guide,
* section 2.3.2, which says that they should be valid regardless of the
* actual size of the sensor.
*/
#define XMIN_NOMINAL 1472
#define XMAX_NOMINAL 5472
#define YMIN_NOMINAL 1408
#define YMAX_NOMINAL 4448
#define XMAX_VALID 6143
#ifdef SYNAPTICS_PRIVATE
#include "synproto.h"
/******************************************************************************
* Definitions
* structs, typedefs, #defines, enums
*****************************************************************************/
#define SYNAPTICS_MOVE_HISTORY 5
typedef struct _SynapticsTapRec
{
int x, y;
unsigned int millis;
} SynapticsTapRec;
typedef struct _SynapticsMoveHist
{
int x, y;
} SynapticsMoveHistRec;
enum MidButtonEmulation {
MBE_OFF, /* No button pressed */
MBE_LEFT, /* Left button pressed, waiting for right button or timeout */
MBE_RIGHT, /* Right button pressed, waiting for left button or timeout */
MBE_MID, /* Left and right buttons pressed, waiting for both buttons
to be released */
MBE_TIMEOUT /* Waiting for both buttons to be released. */
};
/* See docs/tapndrag.dia for a state machine diagram */
enum TapState {
TS_START, /* No tap/drag in progress */
TS_1, /* After first touch */
TS_MOVE, /* Pointer movement enabled */
TS_2, /* After first release */
TS_3, /* After second touch */
TS_DRAG, /* Pointer drag enabled */
TS_4, /* After release when "locked drags" enabled */
TS_5 /* After touch when "locked drags" enabled */
};
enum TapButtonState {
TBS_BUTTON_UP, /* "Virtual tap button" is up */
TBS_BUTTON_DOWN, /* "Virtual tap button" is down */
TBS_BUTTON_UP_DOWN /* Send button up event + set down state */
};
typedef struct _SynapticsPrivateRec
{
/* shared memory pointer */
SynapticsSHM *synpara;
struct SynapticsProtocolOperations* proto_ops;
struct SynapticsHwState hwState;
/* Data read from the touchpad */
struct SynapticsHwInfo synhw;
Bool shm_config; /* True when shared memory area allocated */
OsTimerPtr timer; /* for up/down-button repeat, tap processing, etc */
struct CommData comm;
int fifofd; /* fd for fifo */
SynapticsMoveHistRec move_hist[SYNAPTICS_MOVE_HISTORY]; /* movement history */
int largest_valid_x; /* Largest valid X coordinate seen so far */
int scroll_y; /* last y-scroll position */
int scroll_x; /* last x-scroll position */
double scroll_a; /* last angle-scroll position */
unsigned long count_packet_finger; /* packet counter with finger on the touchpad */
unsigned int button_delay_millis; /* button delay for 3rd button emulation */
unsigned int prev_up; /* Previous up button value, for double click emulation */
Bool finger_flag; /* previous finger */
enum TapState tap_state; /* State of tap processing */
int tap_max_fingers; /* Max number of fingers seen since entering start state */
int tap_button; /* Which button started the tap processing */
enum TapButtonState tap_button_state; /* Current tap action */
SynapticsTapRec touch_on; /* data when the touchpad is touched/released */
Bool vert_scroll_on; /* scrolling flag */
Bool horiz_scroll_on; /* scrolling flag */
Bool circ_scroll_on; /* scrolling flag */
double frac_x, frac_y; /* absolute -> relative fraction */
enum MidButtonEmulation mid_emu_state; /* emulated 3rd button */
int repeatButtons; /* buttons for repeat */
unsigned long nextRepeat; /* Time when to trigger next auto repeat event */
int lastButtons; /* last state of the buttons */
int palm; /* Set to true when palm detected, reset to false when
palm/finger contact disappears */
int prev_z; /* previous z value, for palm detection */
int avg_width; /* weighted average of previous fingerWidth values */
} SynapticsPrivate;
Bool QueryHardware(LocalDevicePtr);
#endif /* SYNAPTICS_PRIVATE */
#endif /* _SYNAPTICS_H_ */
|
