2 * Synaptics TouchPad PS/2 mouse driver
4 * 2003 Dmitry Torokhov <dtor@mail.ru>
5 * Added support for pass-through port. Special thanks to Peter Berg Larsen
6 * for explaining various Synaptics quirks.
8 * 2003 Peter Osterlund <petero2@telia.com>
9 * Ported to 2.5 input device infrastructure.
11 * Copyright (C) 2001 Stefan Gmeiner <riddlebox@freesurf.ch>
12 * start merging tpconfig and gpm code to a xfree-input module
13 * adding some changes and extensions (ex. 3rd and 4th button)
15 * Copyright (c) 1997 C. Scott Ananian <cananian@alumni.priceton.edu>
16 * Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com>
17 * code for the special synaptics commands (from the tpconfig-source)
19 * This program is free software; you can redistribute it and/or modify it
20 * under the terms of the GNU General Public License version 2 as published by
21 * the Free Software Foundation.
23 * Trademarks are the property of their respective owners.
26 #include <linux/module.h>
27 #include <linux/delay.h>
28 #include <linux/dmi.h>
29 #include <linux/input/mt.h>
30 #include <linux/serio.h>
31 #include <linux/libps2.h>
32 #include <linux/slab.h>
34 #include "synaptics.h"
37 * The x/y limits are taken from the Synaptics TouchPad interfacing Guide,
38 * section 2.3.2, which says that they should be valid regardless of the
39 * actual size of the sensor.
40 * Note that newer firmware allows querying device for maximum useable
47 #define XMIN_NOMINAL 1472
48 #define XMAX_NOMINAL 5472
49 #define YMIN_NOMINAL 1408
50 #define YMAX_NOMINAL 4448
52 /* Size in bits of absolute position values reported by the hardware */
53 #define ABS_POS_BITS 13
56 * These values should represent the absolute maximum value that will
57 * be reported for a positive position value. Some Synaptics firmware
58 * uses this value to indicate a finger near the edge of the touchpad
59 * whose precise position cannot be determined.
61 * At least one touchpad is known to report positions in excess of this
62 * value which are actually negative values truncated to the 13-bit
63 * reporting range. These values have never been observed to be lower
64 * than 8184 (i.e. -8), so we treat all values greater than 8176 as
65 * negative and any other value as positive.
67 #define X_MAX_POSITIVE 8176
68 #define Y_MAX_POSITIVE 8176
70 /* maximum ABS_MT_POSITION displacement (in mm) */
73 /*****************************************************************************
74 * Stuff we need even when we do not want native Synaptics support
75 ****************************************************************************/
78 * Set the synaptics touchpad mode byte by special commands
80 static int synaptics_mode_cmd(struct psmouse
*psmouse
, unsigned char mode
)
82 unsigned char param
[1];
84 if (psmouse_sliced_command(psmouse
, mode
))
86 param
[0] = SYN_PS_SET_MODE2
;
87 if (ps2_command(&psmouse
->ps2dev
, param
, PSMOUSE_CMD_SETRATE
))
92 int synaptics_detect(struct psmouse
*psmouse
, bool set_properties
)
94 struct ps2dev
*ps2dev
= &psmouse
->ps2dev
;
95 unsigned char param
[4];
99 ps2_command(ps2dev
, param
, PSMOUSE_CMD_SETRES
);
100 ps2_command(ps2dev
, param
, PSMOUSE_CMD_SETRES
);
101 ps2_command(ps2dev
, param
, PSMOUSE_CMD_SETRES
);
102 ps2_command(ps2dev
, param
, PSMOUSE_CMD_SETRES
);
103 ps2_command(ps2dev
, param
, PSMOUSE_CMD_GETINFO
);
105 if (param
[1] != 0x47)
108 if (set_properties
) {
109 psmouse
->vendor
= "Synaptics";
110 psmouse
->name
= "TouchPad";
116 void synaptics_reset(struct psmouse
*psmouse
)
118 /* reset touchpad back to relative mode, gestures enabled */
119 synaptics_mode_cmd(psmouse
, 0);
122 #ifdef CONFIG_MOUSE_PS2_SYNAPTICS
124 static bool cr48_profile_sensor
;
126 struct min_max_quirk
{
127 const char * const *pnp_ids
;
128 int x_min
, x_max
, y_min
, y_max
;
131 static const struct min_max_quirk min_max_pnpid_table
[] = {
133 (const char * const []){"LEN0033", NULL
},
134 1024, 5052, 2258, 4832
137 (const char * const []){"LEN0035", "LEN0042", NULL
},
138 1232, 5710, 1156, 4696
141 (const char * const []){"LEN0034", "LEN0036", "LEN0037",
142 "LEN0039", "LEN2002", "LEN2004",
144 1024, 5112, 2024, 4832
147 (const char * const []){"LEN2001", NULL
},
148 1024, 5022, 2508, 4832
151 (const char * const []){"LEN2006", NULL
},
152 1264, 5675, 1171, 4688
157 /* This list has been kindly provided by Synaptics. */
158 static const char * const topbuttonpad_pnp_ids
[] = {
168 "LEN0033", /* Helix */
169 "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */
170 "LEN0035", /* X240 */
171 "LEN0036", /* T440 */
172 "LEN0037", /* X1 Carbon 2nd */
174 "LEN0039", /* T440s */
176 "LEN0042", /* Yoga */
183 "LEN2001", /* Edge E431 */
184 "LEN2002", /* Edge E531 */
186 "LEN2004", /* L440 */
197 /*****************************************************************************
198 * Synaptics communications functions
199 ****************************************************************************/
202 * Synaptics touchpads report the y coordinate from bottom to top, which is
203 * opposite from what userspace expects.
204 * This function is used to invert y before reporting.
206 static int synaptics_invert_y(int y
)
208 return YMAX_NOMINAL
+ YMIN_NOMINAL
- y
;
212 * Send a command to the synpatics touchpad by special commands
214 static int synaptics_send_cmd(struct psmouse
*psmouse
, unsigned char c
, unsigned char *param
)
216 if (psmouse_sliced_command(psmouse
, c
))
218 if (ps2_command(&psmouse
->ps2dev
, param
, PSMOUSE_CMD_GETINFO
))
224 * Read the model-id bytes from the touchpad
225 * see also SYN_MODEL_* macros
227 static int synaptics_model_id(struct psmouse
*psmouse
)
229 struct synaptics_data
*priv
= psmouse
->private;
232 if (synaptics_send_cmd(psmouse
, SYN_QUE_MODEL
, mi
))
234 priv
->model_id
= (mi
[0]<<16) | (mi
[1]<<8) | mi
[2];
239 * Read the board id from the touchpad
240 * The board id is encoded in the "QUERY MODES" response
242 static int synaptics_board_id(struct psmouse
*psmouse
)
244 struct synaptics_data
*priv
= psmouse
->private;
245 unsigned char bid
[3];
247 if (synaptics_send_cmd(psmouse
, SYN_QUE_MODES
, bid
))
249 priv
->board_id
= ((bid
[0] & 0xfc) << 6) | bid
[1];
254 * Read the firmware id from the touchpad
256 static int synaptics_firmware_id(struct psmouse
*psmouse
)
258 struct synaptics_data
*priv
= psmouse
->private;
259 unsigned char fwid
[3];
261 if (synaptics_send_cmd(psmouse
, SYN_QUE_FIRMWARE_ID
, fwid
))
263 priv
->firmware_id
= (fwid
[0] << 16) | (fwid
[1] << 8) | fwid
[2];
268 * Read the capability-bits from the touchpad
269 * see also the SYN_CAP_* macros
271 static int synaptics_capability(struct psmouse
*psmouse
)
273 struct synaptics_data
*priv
= psmouse
->private;
274 unsigned char cap
[3];
276 if (synaptics_send_cmd(psmouse
, SYN_QUE_CAPABILITIES
, cap
))
278 priv
->capabilities
= (cap
[0] << 16) | (cap
[1] << 8) | cap
[2];
279 priv
->ext_cap
= priv
->ext_cap_0c
= 0;
282 * Older firmwares had submodel ID fixed to 0x47
284 if (SYN_ID_FULL(priv
->identity
) < 0x705 &&
285 SYN_CAP_SUBMODEL_ID(priv
->capabilities
) != 0x47) {
290 * Unless capExtended is set the rest of the flags should be ignored
292 if (!SYN_CAP_EXTENDED(priv
->capabilities
))
293 priv
->capabilities
= 0;
295 if (SYN_EXT_CAP_REQUESTS(priv
->capabilities
) >= 1) {
296 if (synaptics_send_cmd(psmouse
, SYN_QUE_EXT_CAPAB
, cap
)) {
297 psmouse_warn(psmouse
,
298 "device claims to have extended capabilities, but I'm not able to read them.\n");
300 priv
->ext_cap
= (cap
[0] << 16) | (cap
[1] << 8) | cap
[2];
303 * if nExtBtn is greater than 8 it should be considered
304 * invalid and treated as 0
306 if (SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
) > 8)
307 priv
->ext_cap
&= 0xff0fff;
311 if (SYN_EXT_CAP_REQUESTS(priv
->capabilities
) >= 4) {
312 if (synaptics_send_cmd(psmouse
, SYN_QUE_EXT_CAPAB_0C
, cap
)) {
313 psmouse_warn(psmouse
,
314 "device claims to have extended capability 0x0c, but I'm not able to read it.\n");
316 priv
->ext_cap_0c
= (cap
[0] << 16) | (cap
[1] << 8) | cap
[2];
325 * See also the SYN_ID_* macros
327 static int synaptics_identify(struct psmouse
*psmouse
)
329 struct synaptics_data
*priv
= psmouse
->private;
332 if (synaptics_send_cmd(psmouse
, SYN_QUE_IDENTIFY
, id
))
334 priv
->identity
= (id
[0]<<16) | (id
[1]<<8) | id
[2];
335 if (SYN_ID_IS_SYNAPTICS(priv
->identity
))
341 * Read touchpad resolution and maximum reported coordinates
342 * Resolution is left zero if touchpad does not support the query
345 static int synaptics_resolution(struct psmouse
*psmouse
)
347 struct synaptics_data
*priv
= psmouse
->private;
348 unsigned char resp
[3];
351 if (SYN_ID_MAJOR(priv
->identity
) < 4)
354 if (synaptics_send_cmd(psmouse
, SYN_QUE_RESOLUTION
, resp
) == 0) {
355 if (resp
[0] != 0 && (resp
[1] & 0x80) && resp
[2] != 0) {
356 priv
->x_res
= resp
[0]; /* x resolution in units/mm */
357 priv
->y_res
= resp
[2]; /* y resolution in units/mm */
361 for (i
= 0; min_max_pnpid_table
[i
].pnp_ids
; i
++) {
362 if (psmouse_matches_pnp_id(psmouse
,
363 min_max_pnpid_table
[i
].pnp_ids
)) {
364 priv
->x_min
= min_max_pnpid_table
[i
].x_min
;
365 priv
->x_max
= min_max_pnpid_table
[i
].x_max
;
366 priv
->y_min
= min_max_pnpid_table
[i
].y_min
;
367 priv
->y_max
= min_max_pnpid_table
[i
].y_max
;
372 if (SYN_EXT_CAP_REQUESTS(priv
->capabilities
) >= 5 &&
373 SYN_CAP_MAX_DIMENSIONS(priv
->ext_cap_0c
)) {
374 if (synaptics_send_cmd(psmouse
, SYN_QUE_EXT_MAX_COORDS
, resp
)) {
375 psmouse_warn(psmouse
,
376 "device claims to have max coordinates query, but I'm not able to read it.\n");
378 priv
->x_max
= (resp
[0] << 5) | ((resp
[1] & 0x0f) << 1);
379 priv
->y_max
= (resp
[2] << 5) | ((resp
[1] & 0xf0) >> 3);
383 if (SYN_EXT_CAP_REQUESTS(priv
->capabilities
) >= 7 &&
384 SYN_CAP_MIN_DIMENSIONS(priv
->ext_cap_0c
)) {
385 if (synaptics_send_cmd(psmouse
, SYN_QUE_EXT_MIN_COORDS
, resp
)) {
386 psmouse_warn(psmouse
,
387 "device claims to have min coordinates query, but I'm not able to read it.\n");
389 priv
->x_min
= (resp
[0] << 5) | ((resp
[1] & 0x0f) << 1);
390 priv
->y_min
= (resp
[2] << 5) | ((resp
[1] & 0xf0) >> 3);
397 static int synaptics_query_hardware(struct psmouse
*psmouse
)
399 if (synaptics_identify(psmouse
))
401 if (synaptics_model_id(psmouse
))
403 if (synaptics_firmware_id(psmouse
))
405 if (synaptics_board_id(psmouse
))
407 if (synaptics_capability(psmouse
))
409 if (synaptics_resolution(psmouse
))
415 static int synaptics_set_advanced_gesture_mode(struct psmouse
*psmouse
)
417 static unsigned char param
= 0xc8;
418 struct synaptics_data
*priv
= psmouse
->private;
420 if (!(SYN_CAP_ADV_GESTURE(priv
->ext_cap_0c
) ||
421 SYN_CAP_IMAGE_SENSOR(priv
->ext_cap_0c
)))
424 if (psmouse_sliced_command(psmouse
, SYN_QUE_MODEL
))
427 if (ps2_command(&psmouse
->ps2dev
, ¶m
, PSMOUSE_CMD_SETRATE
))
430 /* Advanced gesture mode also sends multi finger data */
431 priv
->capabilities
|= BIT(1);
436 static int synaptics_set_mode(struct psmouse
*psmouse
)
438 struct synaptics_data
*priv
= psmouse
->private;
441 if (priv
->absolute_mode
)
442 priv
->mode
|= SYN_BIT_ABSOLUTE_MODE
;
443 if (priv
->disable_gesture
)
444 priv
->mode
|= SYN_BIT_DISABLE_GESTURE
;
445 if (psmouse
->rate
>= 80)
446 priv
->mode
|= SYN_BIT_HIGH_RATE
;
447 if (SYN_CAP_EXTENDED(priv
->capabilities
))
448 priv
->mode
|= SYN_BIT_W_MODE
;
450 if (synaptics_mode_cmd(psmouse
, priv
->mode
))
453 if (priv
->absolute_mode
&&
454 synaptics_set_advanced_gesture_mode(psmouse
)) {
455 psmouse_err(psmouse
, "Advanced gesture mode init failed.\n");
462 static void synaptics_set_rate(struct psmouse
*psmouse
, unsigned int rate
)
464 struct synaptics_data
*priv
= psmouse
->private;
467 priv
->mode
|= SYN_BIT_HIGH_RATE
;
470 priv
->mode
&= ~SYN_BIT_HIGH_RATE
;
474 synaptics_mode_cmd(psmouse
, priv
->mode
);
477 /*****************************************************************************
478 * Synaptics pass-through PS/2 port support
479 ****************************************************************************/
480 static int synaptics_pt_write(struct serio
*serio
, unsigned char c
)
482 struct psmouse
*parent
= serio_get_drvdata(serio
->parent
);
483 char rate_param
= SYN_PS_CLIENT_CMD
; /* indicates that we want pass-through port */
485 if (psmouse_sliced_command(parent
, c
))
487 if (ps2_command(&parent
->ps2dev
, &rate_param
, PSMOUSE_CMD_SETRATE
))
492 static int synaptics_pt_start(struct serio
*serio
)
494 struct psmouse
*parent
= serio_get_drvdata(serio
->parent
);
495 struct synaptics_data
*priv
= parent
->private;
497 serio_pause_rx(parent
->ps2dev
.serio
);
498 priv
->pt_port
= serio
;
499 serio_continue_rx(parent
->ps2dev
.serio
);
504 static void synaptics_pt_stop(struct serio
*serio
)
506 struct psmouse
*parent
= serio_get_drvdata(serio
->parent
);
507 struct synaptics_data
*priv
= parent
->private;
509 serio_pause_rx(parent
->ps2dev
.serio
);
510 priv
->pt_port
= NULL
;
511 serio_continue_rx(parent
->ps2dev
.serio
);
514 static int synaptics_is_pt_packet(unsigned char *buf
)
516 return (buf
[0] & 0xFC) == 0x84 && (buf
[3] & 0xCC) == 0xC4;
519 static void synaptics_pass_pt_packet(struct serio
*ptport
, unsigned char *packet
)
521 struct psmouse
*child
= serio_get_drvdata(ptport
);
523 if (child
&& child
->state
== PSMOUSE_ACTIVATED
) {
524 serio_interrupt(ptport
, packet
[1], 0);
525 serio_interrupt(ptport
, packet
[4], 0);
526 serio_interrupt(ptport
, packet
[5], 0);
527 if (child
->pktsize
== 4)
528 serio_interrupt(ptport
, packet
[2], 0);
530 serio_interrupt(ptport
, packet
[1], 0);
533 static void synaptics_pt_activate(struct psmouse
*psmouse
)
535 struct synaptics_data
*priv
= psmouse
->private;
536 struct psmouse
*child
= serio_get_drvdata(priv
->pt_port
);
538 /* adjust the touchpad to child's choice of protocol */
540 if (child
->pktsize
== 4)
541 priv
->mode
|= SYN_BIT_FOUR_BYTE_CLIENT
;
543 priv
->mode
&= ~SYN_BIT_FOUR_BYTE_CLIENT
;
545 if (synaptics_mode_cmd(psmouse
, priv
->mode
))
546 psmouse_warn(psmouse
,
547 "failed to switch guest protocol\n");
551 static void synaptics_pt_create(struct psmouse
*psmouse
)
555 serio
= kzalloc(sizeof(struct serio
), GFP_KERNEL
);
558 "not enough memory for pass-through port\n");
562 serio
->id
.type
= SERIO_PS_PSTHRU
;
563 strlcpy(serio
->name
, "Synaptics pass-through", sizeof(serio
->name
));
564 strlcpy(serio
->phys
, "synaptics-pt/serio0", sizeof(serio
->name
));
565 serio
->write
= synaptics_pt_write
;
566 serio
->start
= synaptics_pt_start
;
567 serio
->stop
= synaptics_pt_stop
;
568 serio
->parent
= psmouse
->ps2dev
.serio
;
570 psmouse
->pt_activate
= synaptics_pt_activate
;
572 psmouse_info(psmouse
, "serio: %s port at %s\n",
573 serio
->name
, psmouse
->phys
);
574 serio_register_port(serio
);
577 /*****************************************************************************
578 * Functions to interpret the absolute mode packets
579 ****************************************************************************/
581 static void synaptics_parse_agm(const unsigned char buf
[],
582 struct synaptics_data
*priv
,
583 struct synaptics_hw_state
*hw
)
585 struct synaptics_hw_state
*agm
= &priv
->agm
;
588 agm_packet_type
= (buf
[5] & 0x30) >> 4;
589 switch (agm_packet_type
) {
591 /* Gesture packet: (x, y, z) half resolution */
593 agm
->x
= (((buf
[4] & 0x0f) << 8) | buf
[1]) << 1;
594 agm
->y
= (((buf
[4] & 0xf0) << 4) | buf
[2]) << 1;
595 agm
->z
= ((buf
[3] & 0x30) | (buf
[5] & 0x0f)) << 1;
599 /* AGM-CONTACT packet: we are only interested in the count */
600 priv
->agm_count
= buf
[1];
608 static bool is_forcepad
;
610 static int synaptics_parse_hw_state(const unsigned char buf
[],
611 struct synaptics_data
*priv
,
612 struct synaptics_hw_state
*hw
)
614 memset(hw
, 0, sizeof(struct synaptics_hw_state
));
616 if (SYN_MODEL_NEWABS(priv
->model_id
)) {
617 hw
->w
= (((buf
[0] & 0x30) >> 2) |
618 ((buf
[0] & 0x04) >> 1) |
619 ((buf
[3] & 0x04) >> 2));
621 if ((SYN_CAP_ADV_GESTURE(priv
->ext_cap_0c
) ||
622 SYN_CAP_IMAGE_SENSOR(priv
->ext_cap_0c
)) &&
624 synaptics_parse_agm(buf
, priv
, hw
);
628 hw
->x
= (((buf
[3] & 0x10) << 8) |
629 ((buf
[1] & 0x0f) << 8) |
631 hw
->y
= (((buf
[3] & 0x20) << 7) |
632 ((buf
[1] & 0xf0) << 4) |
636 hw
->left
= (buf
[0] & 0x01) ? 1 : 0;
637 hw
->right
= (buf
[0] & 0x02) ? 1 : 0;
641 * ForcePads, like Clickpads, use middle button
642 * bits to report primary button clicks.
643 * Unfortunately they report primary button not
644 * only when user presses on the pad above certain
645 * threshold, but also when there are more than one
646 * finger on the touchpad, which interferes with
647 * out multi-finger gestures.
651 priv
->press
= priv
->report_press
= false;
652 } else if (hw
->w
>= 4 && ((buf
[0] ^ buf
[3]) & 0x01)) {
654 * Single-finger touch with pressure above
655 * the threshold. If pressure stays long
656 * enough, we'll start reporting primary
657 * button. We rely on the device continuing
658 * sending data even if finger does not
662 priv
->press_start
= jiffies
;
664 } else if (time_after(jiffies
,
666 msecs_to_jiffies(50))) {
667 priv
->report_press
= true;
673 hw
->left
= priv
->report_press
;
675 } else if (SYN_CAP_CLICKPAD(priv
->ext_cap_0c
)) {
677 * Clickpad's button is transmitted as middle button,
678 * however, since it is primary button, we will report
681 hw
->left
= ((buf
[0] ^ buf
[3]) & 0x01) ? 1 : 0;
683 } else if (SYN_CAP_MIDDLE_BUTTON(priv
->capabilities
)) {
684 hw
->middle
= ((buf
[0] ^ buf
[3]) & 0x01) ? 1 : 0;
686 hw
->scroll
= (signed char)(buf
[1]);
689 if (SYN_CAP_FOUR_BUTTON(priv
->capabilities
)) {
690 hw
->up
= ((buf
[0] ^ buf
[3]) & 0x01) ? 1 : 0;
691 hw
->down
= ((buf
[0] ^ buf
[3]) & 0x02) ? 1 : 0;
694 if (SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
) &&
695 ((buf
[0] ^ buf
[3]) & 0x02)) {
696 switch (SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
) & ~0x01) {
699 * if nExtBtn is greater than 8 it should be
700 * considered invalid and treated as 0
704 hw
->ext_buttons
|= ((buf
[5] & 0x08)) ? 0x80 : 0;
705 hw
->ext_buttons
|= ((buf
[4] & 0x08)) ? 0x40 : 0;
707 hw
->ext_buttons
|= ((buf
[5] & 0x04)) ? 0x20 : 0;
708 hw
->ext_buttons
|= ((buf
[4] & 0x04)) ? 0x10 : 0;
710 hw
->ext_buttons
|= ((buf
[5] & 0x02)) ? 0x08 : 0;
711 hw
->ext_buttons
|= ((buf
[4] & 0x02)) ? 0x04 : 0;
713 hw
->ext_buttons
|= ((buf
[5] & 0x01)) ? 0x02 : 0;
714 hw
->ext_buttons
|= ((buf
[4] & 0x01)) ? 0x01 : 0;
718 hw
->x
= (((buf
[1] & 0x1f) << 8) | buf
[2]);
719 hw
->y
= (((buf
[4] & 0x1f) << 8) | buf
[5]);
721 hw
->z
= (((buf
[0] & 0x30) << 2) | (buf
[3] & 0x3F));
722 hw
->w
= (((buf
[1] & 0x80) >> 4) | ((buf
[0] & 0x04) >> 1));
724 hw
->left
= (buf
[0] & 0x01) ? 1 : 0;
725 hw
->right
= (buf
[0] & 0x02) ? 1 : 0;
729 * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE
730 * is used by some firmware to indicate a finger at the edge of
731 * the touchpad whose precise position cannot be determined, so
732 * convert these values to the maximum axis value.
734 if (hw
->x
> X_MAX_POSITIVE
)
735 hw
->x
-= 1 << ABS_POS_BITS
;
736 else if (hw
->x
== X_MAX_POSITIVE
)
739 if (hw
->y
> Y_MAX_POSITIVE
)
740 hw
->y
-= 1 << ABS_POS_BITS
;
741 else if (hw
->y
== Y_MAX_POSITIVE
)
747 static void synaptics_report_semi_mt_slot(struct input_dev
*dev
, int slot
,
748 bool active
, int x
, int y
)
750 input_mt_slot(dev
, slot
);
751 input_mt_report_slot_state(dev
, MT_TOOL_FINGER
, active
);
753 input_report_abs(dev
, ABS_MT_POSITION_X
, x
);
754 input_report_abs(dev
, ABS_MT_POSITION_Y
, synaptics_invert_y(y
));
758 static void synaptics_report_semi_mt_data(struct input_dev
*dev
,
759 const struct synaptics_hw_state
*a
,
760 const struct synaptics_hw_state
*b
,
763 if (num_fingers
>= 2) {
764 synaptics_report_semi_mt_slot(dev
, 0, true, min(a
->x
, b
->x
),
766 synaptics_report_semi_mt_slot(dev
, 1, true, max(a
->x
, b
->x
),
768 } else if (num_fingers
== 1) {
769 synaptics_report_semi_mt_slot(dev
, 0, true, a
->x
, a
->y
);
770 synaptics_report_semi_mt_slot(dev
, 1, false, 0, 0);
772 synaptics_report_semi_mt_slot(dev
, 0, false, 0, 0);
773 synaptics_report_semi_mt_slot(dev
, 1, false, 0, 0);
777 static void synaptics_report_buttons(struct psmouse
*psmouse
,
778 const struct synaptics_hw_state
*hw
)
780 struct input_dev
*dev
= psmouse
->dev
;
781 struct synaptics_data
*priv
= psmouse
->private;
784 input_report_key(dev
, BTN_LEFT
, hw
->left
);
785 input_report_key(dev
, BTN_RIGHT
, hw
->right
);
787 if (SYN_CAP_MIDDLE_BUTTON(priv
->capabilities
))
788 input_report_key(dev
, BTN_MIDDLE
, hw
->middle
);
790 if (SYN_CAP_FOUR_BUTTON(priv
->capabilities
)) {
791 input_report_key(dev
, BTN_FORWARD
, hw
->up
);
792 input_report_key(dev
, BTN_BACK
, hw
->down
);
795 for (i
= 0; i
< SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
); i
++)
796 input_report_key(dev
, BTN_0
+ i
, hw
->ext_buttons
& (1 << i
));
799 static void synaptics_report_mt_data(struct psmouse
*psmouse
,
800 const struct synaptics_hw_state
*sgm
,
803 struct input_dev
*dev
= psmouse
->dev
;
804 struct synaptics_data
*priv
= psmouse
->private;
805 const struct synaptics_hw_state
*hw
[2] = { sgm
, &priv
->agm
};
806 struct input_mt_pos pos
[2];
807 int slot
[2], nsemi
, i
;
809 nsemi
= clamp_val(num_fingers
, 0, 2);
811 for (i
= 0; i
< nsemi
; i
++) {
813 pos
[i
].y
= synaptics_invert_y(hw
[i
]->y
);
816 input_mt_assign_slots(dev
, slot
, pos
, nsemi
, DMAX
* priv
->x_res
);
818 for (i
= 0; i
< nsemi
; i
++) {
819 input_mt_slot(dev
, slot
[i
]);
820 input_mt_report_slot_state(dev
, MT_TOOL_FINGER
, true);
821 input_report_abs(dev
, ABS_MT_POSITION_X
, pos
[i
].x
);
822 input_report_abs(dev
, ABS_MT_POSITION_Y
, pos
[i
].y
);
823 input_report_abs(dev
, ABS_MT_PRESSURE
, hw
[i
]->z
);
826 input_mt_drop_unused(dev
);
828 /* Don't use active slot count to generate BTN_TOOL events. */
829 input_mt_report_pointer_emulation(dev
, false);
831 /* Send the number of fingers reported by touchpad itself. */
832 input_mt_report_finger_count(dev
, num_fingers
);
834 synaptics_report_buttons(psmouse
, sgm
);
839 static void synaptics_image_sensor_process(struct psmouse
*psmouse
,
840 struct synaptics_hw_state
*sgm
)
842 struct synaptics_data
*priv
= psmouse
->private;
846 * Update mt_state using the new finger count and current mt_state.
850 else if (sgm
->w
>= 4)
852 else if (sgm
->w
== 0)
854 else if (sgm
->w
== 1)
855 num_fingers
= priv
->agm_count
? priv
->agm_count
: 3;
859 /* Send resulting input events to user space */
860 synaptics_report_mt_data(psmouse
, sgm
, num_fingers
);
864 * called for each full received packet from the touchpad
866 static void synaptics_process_packet(struct psmouse
*psmouse
)
868 struct input_dev
*dev
= psmouse
->dev
;
869 struct synaptics_data
*priv
= psmouse
->private;
870 struct synaptics_hw_state hw
;
874 if (synaptics_parse_hw_state(psmouse
->packet
, priv
, &hw
))
877 if (SYN_CAP_IMAGE_SENSOR(priv
->ext_cap_0c
)) {
878 synaptics_image_sensor_process(psmouse
, &hw
);
883 priv
->scroll
+= hw
.scroll
;
885 while (priv
->scroll
>= 4) {
886 input_report_key(dev
, BTN_BACK
, !hw
.down
);
888 input_report_key(dev
, BTN_BACK
, hw
.down
);
892 while (priv
->scroll
<= -4) {
893 input_report_key(dev
, BTN_FORWARD
, !hw
.up
);
895 input_report_key(dev
, BTN_FORWARD
, hw
.up
);
902 if (hw
.z
> 0 && hw
.x
> 1) {
905 if (SYN_CAP_EXTENDED(priv
->capabilities
)) {
908 if (SYN_CAP_MULTIFINGER(priv
->capabilities
))
909 num_fingers
= hw
.w
+ 2;
912 if (SYN_MODEL_PEN(priv
->model_id
))
913 ; /* Nothing, treat a pen as a single finger */
916 if (SYN_CAP_PALMDETECT(priv
->capabilities
))
926 if (cr48_profile_sensor
) {
927 synaptics_report_mt_data(psmouse
, &hw
, num_fingers
);
931 if (SYN_CAP_ADV_GESTURE(priv
->ext_cap_0c
))
932 synaptics_report_semi_mt_data(dev
, &hw
, &priv
->agm
,
936 * BTN_TOUCH has to be first as mousedev relies on it when doing
937 * absolute -> relative conversion
939 if (hw
.z
> 30) input_report_key(dev
, BTN_TOUCH
, 1);
940 if (hw
.z
< 25) input_report_key(dev
, BTN_TOUCH
, 0);
942 if (num_fingers
> 0) {
943 input_report_abs(dev
, ABS_X
, hw
.x
);
944 input_report_abs(dev
, ABS_Y
, synaptics_invert_y(hw
.y
));
946 input_report_abs(dev
, ABS_PRESSURE
, hw
.z
);
948 if (SYN_CAP_PALMDETECT(priv
->capabilities
))
949 input_report_abs(dev
, ABS_TOOL_WIDTH
, finger_width
);
951 input_report_key(dev
, BTN_TOOL_FINGER
, num_fingers
== 1);
952 if (SYN_CAP_MULTIFINGER(priv
->capabilities
)) {
953 input_report_key(dev
, BTN_TOOL_DOUBLETAP
, num_fingers
== 2);
954 input_report_key(dev
, BTN_TOOL_TRIPLETAP
, num_fingers
== 3);
957 synaptics_report_buttons(psmouse
, &hw
);
962 static int synaptics_validate_byte(struct psmouse
*psmouse
,
963 int idx
, unsigned char pkt_type
)
965 static const unsigned char newabs_mask
[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 };
966 static const unsigned char newabs_rel_mask
[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 };
967 static const unsigned char newabs_rslt
[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 };
968 static const unsigned char oldabs_mask
[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
969 static const unsigned char oldabs_rslt
[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 };
970 const char *packet
= psmouse
->packet
;
972 if (idx
< 0 || idx
> 4)
978 case SYN_NEWABS_RELAXED
:
979 return (packet
[idx
] & newabs_rel_mask
[idx
]) == newabs_rslt
[idx
];
981 case SYN_NEWABS_STRICT
:
982 return (packet
[idx
] & newabs_mask
[idx
]) == newabs_rslt
[idx
];
985 return (packet
[idx
] & oldabs_mask
[idx
]) == oldabs_rslt
[idx
];
988 psmouse_err(psmouse
, "unknown packet type %d\n", pkt_type
);
993 static unsigned char synaptics_detect_pkt_type(struct psmouse
*psmouse
)
997 for (i
= 0; i
< 5; i
++)
998 if (!synaptics_validate_byte(psmouse
, i
, SYN_NEWABS_STRICT
)) {
999 psmouse_info(psmouse
, "using relaxed packet validation\n");
1000 return SYN_NEWABS_RELAXED
;
1003 return SYN_NEWABS_STRICT
;
1006 static psmouse_ret_t
synaptics_process_byte(struct psmouse
*psmouse
)
1008 struct synaptics_data
*priv
= psmouse
->private;
1010 if (psmouse
->pktcnt
>= 6) { /* Full packet received */
1011 if (unlikely(priv
->pkt_type
== SYN_NEWABS
))
1012 priv
->pkt_type
= synaptics_detect_pkt_type(psmouse
);
1014 if (SYN_CAP_PASS_THROUGH(priv
->capabilities
) &&
1015 synaptics_is_pt_packet(psmouse
->packet
)) {
1017 synaptics_pass_pt_packet(priv
->pt_port
, psmouse
->packet
);
1019 synaptics_process_packet(psmouse
);
1021 return PSMOUSE_FULL_PACKET
;
1024 return synaptics_validate_byte(psmouse
, psmouse
->pktcnt
- 1, priv
->pkt_type
) ?
1025 PSMOUSE_GOOD_DATA
: PSMOUSE_BAD_DATA
;
1028 /*****************************************************************************
1029 * Driver initialization/cleanup functions
1030 ****************************************************************************/
1031 static void set_abs_position_params(struct input_dev
*dev
,
1032 struct synaptics_data
*priv
, int x_code
,
1035 int x_min
= priv
->x_min
?: XMIN_NOMINAL
;
1036 int x_max
= priv
->x_max
?: XMAX_NOMINAL
;
1037 int y_min
= priv
->y_min
?: YMIN_NOMINAL
;
1038 int y_max
= priv
->y_max
?: YMAX_NOMINAL
;
1039 int fuzz
= SYN_CAP_REDUCED_FILTERING(priv
->ext_cap_0c
) ?
1040 SYN_REDUCED_FILTER_FUZZ
: 0;
1042 input_set_abs_params(dev
, x_code
, x_min
, x_max
, fuzz
, 0);
1043 input_set_abs_params(dev
, y_code
, y_min
, y_max
, fuzz
, 0);
1044 input_abs_set_res(dev
, x_code
, priv
->x_res
);
1045 input_abs_set_res(dev
, y_code
, priv
->y_res
);
1048 static void set_input_params(struct psmouse
*psmouse
,
1049 struct synaptics_data
*priv
)
1051 struct input_dev
*dev
= psmouse
->dev
;
1054 /* Things that apply to both modes */
1055 __set_bit(INPUT_PROP_POINTER
, dev
->propbit
);
1056 __set_bit(EV_KEY
, dev
->evbit
);
1057 __set_bit(BTN_LEFT
, dev
->keybit
);
1058 __set_bit(BTN_RIGHT
, dev
->keybit
);
1060 if (SYN_CAP_MIDDLE_BUTTON(priv
->capabilities
))
1061 __set_bit(BTN_MIDDLE
, dev
->keybit
);
1063 if (!priv
->absolute_mode
) {
1065 __set_bit(EV_REL
, dev
->evbit
);
1066 __set_bit(REL_X
, dev
->relbit
);
1067 __set_bit(REL_Y
, dev
->relbit
);
1072 __set_bit(EV_ABS
, dev
->evbit
);
1073 set_abs_position_params(dev
, priv
, ABS_X
, ABS_Y
);
1074 input_set_abs_params(dev
, ABS_PRESSURE
, 0, 255, 0, 0);
1076 if (cr48_profile_sensor
)
1077 input_set_abs_params(dev
, ABS_MT_PRESSURE
, 0, 255, 0, 0);
1079 if (SYN_CAP_IMAGE_SENSOR(priv
->ext_cap_0c
)) {
1080 set_abs_position_params(dev
, priv
, ABS_MT_POSITION_X
,
1082 /* Image sensors can report per-contact pressure */
1083 input_set_abs_params(dev
, ABS_MT_PRESSURE
, 0, 255, 0, 0);
1084 input_mt_init_slots(dev
, 2, INPUT_MT_POINTER
| INPUT_MT_TRACK
);
1086 /* Image sensors can signal 4 and 5 finger clicks */
1087 __set_bit(BTN_TOOL_QUADTAP
, dev
->keybit
);
1088 __set_bit(BTN_TOOL_QUINTTAP
, dev
->keybit
);
1089 } else if (SYN_CAP_ADV_GESTURE(priv
->ext_cap_0c
)) {
1090 set_abs_position_params(dev
, priv
, ABS_MT_POSITION_X
,
1093 * Profile sensor in CR-48 tracks contacts reasonably well,
1094 * other non-image sensors with AGM use semi-mt.
1096 input_mt_init_slots(dev
, 2,
1098 (cr48_profile_sensor
?
1099 INPUT_MT_TRACK
: INPUT_MT_SEMI_MT
));
1102 if (SYN_CAP_PALMDETECT(priv
->capabilities
))
1103 input_set_abs_params(dev
, ABS_TOOL_WIDTH
, 0, 15, 0, 0);
1105 __set_bit(BTN_TOUCH
, dev
->keybit
);
1106 __set_bit(BTN_TOOL_FINGER
, dev
->keybit
);
1108 if (SYN_CAP_MULTIFINGER(priv
->capabilities
)) {
1109 __set_bit(BTN_TOOL_DOUBLETAP
, dev
->keybit
);
1110 __set_bit(BTN_TOOL_TRIPLETAP
, dev
->keybit
);
1113 if (SYN_CAP_FOUR_BUTTON(priv
->capabilities
) ||
1114 SYN_CAP_MIDDLE_BUTTON(priv
->capabilities
)) {
1115 __set_bit(BTN_FORWARD
, dev
->keybit
);
1116 __set_bit(BTN_BACK
, dev
->keybit
);
1119 for (i
= 0; i
< SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
); i
++)
1120 __set_bit(BTN_0
+ i
, dev
->keybit
);
1122 __clear_bit(EV_REL
, dev
->evbit
);
1123 __clear_bit(REL_X
, dev
->relbit
);
1124 __clear_bit(REL_Y
, dev
->relbit
);
1126 if (SYN_CAP_CLICKPAD(priv
->ext_cap_0c
)) {
1127 __set_bit(INPUT_PROP_BUTTONPAD
, dev
->propbit
);
1128 if (psmouse_matches_pnp_id(psmouse
, topbuttonpad_pnp_ids
))
1129 __set_bit(INPUT_PROP_TOPBUTTONPAD
, dev
->propbit
);
1130 /* Clickpads report only left button */
1131 __clear_bit(BTN_RIGHT
, dev
->keybit
);
1132 __clear_bit(BTN_MIDDLE
, dev
->keybit
);
1136 static ssize_t
synaptics_show_disable_gesture(struct psmouse
*psmouse
,
1137 void *data
, char *buf
)
1139 struct synaptics_data
*priv
= psmouse
->private;
1141 return sprintf(buf
, "%c\n", priv
->disable_gesture
? '1' : '0');
1144 static ssize_t
synaptics_set_disable_gesture(struct psmouse
*psmouse
,
1145 void *data
, const char *buf
,
1148 struct synaptics_data
*priv
= psmouse
->private;
1152 err
= kstrtouint(buf
, 10, &value
);
1159 if (value
== priv
->disable_gesture
)
1162 priv
->disable_gesture
= value
;
1164 priv
->mode
|= SYN_BIT_DISABLE_GESTURE
;
1166 priv
->mode
&= ~SYN_BIT_DISABLE_GESTURE
;
1168 if (synaptics_mode_cmd(psmouse
, priv
->mode
))
1174 PSMOUSE_DEFINE_ATTR(disable_gesture
, S_IWUSR
| S_IRUGO
, NULL
,
1175 synaptics_show_disable_gesture
,
1176 synaptics_set_disable_gesture
);
1178 static void synaptics_disconnect(struct psmouse
*psmouse
)
1180 struct synaptics_data
*priv
= psmouse
->private;
1182 if (!priv
->absolute_mode
&& SYN_ID_DISGEST_SUPPORTED(priv
->identity
))
1183 device_remove_file(&psmouse
->ps2dev
.serio
->dev
,
1184 &psmouse_attr_disable_gesture
.dattr
);
1186 synaptics_reset(psmouse
);
1188 psmouse
->private = NULL
;
1191 static int synaptics_reconnect(struct psmouse
*psmouse
)
1193 struct synaptics_data
*priv
= psmouse
->private;
1194 struct synaptics_data old_priv
= *priv
;
1195 unsigned char param
[2];
1200 psmouse_reset(psmouse
);
1203 * On some boxes, right after resuming, the touchpad
1204 * needs some time to finish initializing (I assume
1205 * it needs time to calibrate) and start responding
1206 * to Synaptics-specific queries, so let's wait a
1211 ps2_command(&psmouse
->ps2dev
, param
, PSMOUSE_CMD_GETID
);
1212 error
= synaptics_detect(psmouse
, 0);
1213 } while (error
&& ++retry
< 3);
1219 psmouse_dbg(psmouse
, "reconnected after %d tries\n", retry
);
1221 if (synaptics_query_hardware(psmouse
)) {
1222 psmouse_err(psmouse
, "Unable to query device.\n");
1226 if (synaptics_set_mode(psmouse
)) {
1227 psmouse_err(psmouse
, "Unable to initialize device.\n");
1231 if (old_priv
.identity
!= priv
->identity
||
1232 old_priv
.model_id
!= priv
->model_id
||
1233 old_priv
.capabilities
!= priv
->capabilities
||
1234 old_priv
.ext_cap
!= priv
->ext_cap
) {
1235 psmouse_err(psmouse
,
1236 "hardware appears to be different: id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n",
1237 old_priv
.identity
, priv
->identity
,
1238 old_priv
.model_id
, priv
->model_id
,
1239 old_priv
.capabilities
, priv
->capabilities
,
1240 old_priv
.ext_cap
, priv
->ext_cap
);
1247 static bool impaired_toshiba_kbc
;
1249 static const struct dmi_system_id toshiba_dmi_table
[] __initconst
= {
1250 #if defined(CONFIG_DMI) && defined(CONFIG_X86)
1252 /* Toshiba Satellite */
1254 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
1255 DMI_MATCH(DMI_PRODUCT_NAME
, "Satellite"),
1259 /* Toshiba Dynabook */
1261 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
1262 DMI_MATCH(DMI_PRODUCT_NAME
, "dynabook"),
1266 /* Toshiba Portege M300 */
1268 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
1269 DMI_MATCH(DMI_PRODUCT_NAME
, "PORTEGE M300"),
1274 /* Toshiba Portege M300 */
1276 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
1277 DMI_MATCH(DMI_PRODUCT_NAME
, "Portable PC"),
1278 DMI_MATCH(DMI_PRODUCT_VERSION
, "Version 1.0"),
1286 static bool broken_olpc_ec
;
1288 static const struct dmi_system_id olpc_dmi_table
[] __initconst
= {
1289 #if defined(CONFIG_DMI) && defined(CONFIG_OLPC)
1291 /* OLPC XO-1 or XO-1.5 */
1293 DMI_MATCH(DMI_SYS_VENDOR
, "OLPC"),
1294 DMI_MATCH(DMI_PRODUCT_NAME
, "XO"),
1301 static const struct dmi_system_id __initconst cr48_dmi_table
[] = {
1302 #if defined(CONFIG_DMI) && defined(CONFIG_X86)
1304 /* Cr-48 Chromebook (Codename Mario) */
1306 DMI_MATCH(DMI_SYS_VENDOR
, "IEC"),
1307 DMI_MATCH(DMI_PRODUCT_NAME
, "Mario"),
1314 static const struct dmi_system_id forcepad_dmi_table
[] __initconst
= {
1315 #if defined(CONFIG_DMI) && defined(CONFIG_X86)
1318 DMI_MATCH(DMI_SYS_VENDOR
, "Hewlett-Packard"),
1319 DMI_MATCH(DMI_PRODUCT_NAME
, "HP EliteBook Folio 1040 G1"),
1326 void __init
synaptics_module_init(void)
1328 impaired_toshiba_kbc
= dmi_check_system(toshiba_dmi_table
);
1329 broken_olpc_ec
= dmi_check_system(olpc_dmi_table
);
1330 cr48_profile_sensor
= dmi_check_system(cr48_dmi_table
);
1333 * Unfortunately ForcePad capability is not exported over PS/2,
1334 * so we have to resort to checking DMI.
1336 is_forcepad
= dmi_check_system(forcepad_dmi_table
);
1339 static int __synaptics_init(struct psmouse
*psmouse
, bool absolute_mode
)
1341 struct synaptics_data
*priv
;
1345 * The OLPC XO has issues with Synaptics' absolute mode; the constant
1346 * packet spew overloads the EC such that key presses on the keyboard
1347 * are missed. Given that, don't even attempt to use Absolute mode.
1348 * Relative mode seems to work just fine.
1350 if (absolute_mode
&& broken_olpc_ec
) {
1351 psmouse_info(psmouse
,
1352 "OLPC XO detected, not enabling Synaptics protocol.\n");
1356 psmouse
->private = priv
= kzalloc(sizeof(struct synaptics_data
), GFP_KERNEL
);
1360 psmouse_reset(psmouse
);
1362 if (synaptics_query_hardware(psmouse
)) {
1363 psmouse_err(psmouse
, "Unable to query device.\n");
1367 priv
->absolute_mode
= absolute_mode
;
1368 if (SYN_ID_DISGEST_SUPPORTED(priv
->identity
))
1369 priv
->disable_gesture
= true;
1371 if (synaptics_set_mode(psmouse
)) {
1372 psmouse_err(psmouse
, "Unable to initialize device.\n");
1376 priv
->pkt_type
= SYN_MODEL_NEWABS(priv
->model_id
) ? SYN_NEWABS
: SYN_OLDABS
;
1378 psmouse_info(psmouse
,
1379 "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n",
1380 SYN_ID_MODEL(priv
->identity
),
1381 SYN_ID_MAJOR(priv
->identity
), SYN_ID_MINOR(priv
->identity
),
1383 priv
->capabilities
, priv
->ext_cap
, priv
->ext_cap_0c
,
1384 priv
->board_id
, priv
->firmware_id
);
1386 set_input_params(psmouse
, priv
);
1389 * Encode touchpad model so that it can be used to set
1390 * input device->id.version and be visible to userspace.
1391 * Because version is __u16 we have to drop something.
1392 * Hardware info bits seem to be good candidates as they
1393 * are documented to be for Synaptics corp. internal use.
1395 psmouse
->model
= ((priv
->model_id
& 0x00ff0000) >> 8) |
1396 (priv
->model_id
& 0x000000ff);
1398 if (absolute_mode
) {
1399 psmouse
->protocol_handler
= synaptics_process_byte
;
1400 psmouse
->pktsize
= 6;
1402 /* Relative mode follows standard PS/2 mouse protocol */
1403 psmouse
->protocol_handler
= psmouse_process_byte
;
1404 psmouse
->pktsize
= 3;
1407 psmouse
->set_rate
= synaptics_set_rate
;
1408 psmouse
->disconnect
= synaptics_disconnect
;
1409 psmouse
->reconnect
= synaptics_reconnect
;
1410 psmouse
->cleanup
= synaptics_reset
;
1411 /* Synaptics can usually stay in sync without extra help */
1412 psmouse
->resync_time
= 0;
1414 if (SYN_CAP_PASS_THROUGH(priv
->capabilities
))
1415 synaptics_pt_create(psmouse
);
1418 * Toshiba's KBC seems to have trouble handling data from
1419 * Synaptics at full rate. Switch to a lower rate (roughly
1420 * the same rate as a standard PS/2 mouse).
1422 if (psmouse
->rate
>= 80 && impaired_toshiba_kbc
) {
1423 psmouse_info(psmouse
,
1424 "Toshiba %s detected, limiting rate to 40pps.\n",
1425 dmi_get_system_info(DMI_PRODUCT_NAME
));
1429 if (!priv
->absolute_mode
&& SYN_ID_DISGEST_SUPPORTED(priv
->identity
)) {
1430 err
= device_create_file(&psmouse
->ps2dev
.serio
->dev
,
1431 &psmouse_attr_disable_gesture
.dattr
);
1433 psmouse_err(psmouse
,
1434 "Failed to create disable_gesture attribute (%d)",
1447 int synaptics_init(struct psmouse
*psmouse
)
1449 return __synaptics_init(psmouse
, true);
1452 int synaptics_init_relative(struct psmouse
*psmouse
)
1454 return __synaptics_init(psmouse
, false);
1457 bool synaptics_supported(void)
1462 #else /* CONFIG_MOUSE_PS2_SYNAPTICS */
1464 void __init
synaptics_module_init(void)
1468 int synaptics_init(struct psmouse
*psmouse
)
1473 bool synaptics_supported(void)
1478 #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */