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/input.h>
28 #include <linux/serio.h>
29 #include <linux/libps2.h>
31 #include "synaptics.h"
34 * The x/y limits are taken from the Synaptics TouchPad interfacing Guide,
35 * section 2.3.2, which says that they should be valid regardless of the
36 * actual size of the sensor.
38 #define XMIN_NOMINAL 1472
39 #define XMAX_NOMINAL 5472
40 #define YMIN_NOMINAL 1408
41 #define YMAX_NOMINAL 4448
44 /*****************************************************************************
45 * Stuff we need even when we do not want native Synaptics support
46 ****************************************************************************/
49 * Set the synaptics touchpad mode byte by special commands
51 static int synaptics_mode_cmd(struct psmouse
*psmouse
, unsigned char mode
)
53 unsigned char param
[1];
55 if (psmouse_sliced_command(psmouse
, mode
))
57 param
[0] = SYN_PS_SET_MODE2
;
58 if (ps2_command(&psmouse
->ps2dev
, param
, PSMOUSE_CMD_SETRATE
))
63 int synaptics_detect(struct psmouse
*psmouse
, int set_properties
)
65 struct ps2dev
*ps2dev
= &psmouse
->ps2dev
;
66 unsigned char param
[4];
70 ps2_command(ps2dev
, param
, PSMOUSE_CMD_SETRES
);
71 ps2_command(ps2dev
, param
, PSMOUSE_CMD_SETRES
);
72 ps2_command(ps2dev
, param
, PSMOUSE_CMD_SETRES
);
73 ps2_command(ps2dev
, param
, PSMOUSE_CMD_SETRES
);
74 ps2_command(ps2dev
, param
, PSMOUSE_CMD_GETINFO
);
80 psmouse
->vendor
= "Synaptics";
81 psmouse
->name
= "TouchPad";
87 void synaptics_reset(struct psmouse
*psmouse
)
89 /* reset touchpad back to relative mode, gestures enabled */
90 synaptics_mode_cmd(psmouse
, 0);
93 #ifdef CONFIG_MOUSE_PS2_SYNAPTICS
95 /*****************************************************************************
96 * Synaptics communications functions
97 ****************************************************************************/
100 * Send a command to the synpatics touchpad by special commands
102 static int synaptics_send_cmd(struct psmouse
*psmouse
, unsigned char c
, unsigned char *param
)
104 if (psmouse_sliced_command(psmouse
, c
))
106 if (ps2_command(&psmouse
->ps2dev
, param
, PSMOUSE_CMD_GETINFO
))
112 * Read the model-id bytes from the touchpad
113 * see also SYN_MODEL_* macros
115 static int synaptics_model_id(struct psmouse
*psmouse
)
117 struct synaptics_data
*priv
= psmouse
->private;
120 if (synaptics_send_cmd(psmouse
, SYN_QUE_MODEL
, mi
))
122 priv
->model_id
= (mi
[0]<<16) | (mi
[1]<<8) | mi
[2];
127 * Read the capability-bits from the touchpad
128 * see also the SYN_CAP_* macros
130 static int synaptics_capability(struct psmouse
*psmouse
)
132 struct synaptics_data
*priv
= psmouse
->private;
133 unsigned char cap
[3];
135 if (synaptics_send_cmd(psmouse
, SYN_QUE_CAPABILITIES
, cap
))
137 priv
->capabilities
= (cap
[0] << 16) | (cap
[1] << 8) | cap
[2];
139 if (!SYN_CAP_VALID(priv
->capabilities
))
143 * Unless capExtended is set the rest of the flags should be ignored
145 if (!SYN_CAP_EXTENDED(priv
->capabilities
))
146 priv
->capabilities
= 0;
148 if (SYN_EXT_CAP_REQUESTS(priv
->capabilities
) >= 1) {
149 if (synaptics_send_cmd(psmouse
, SYN_QUE_EXT_CAPAB
, cap
)) {
150 printk(KERN_ERR
"Synaptics claims to have extended capabilities,"
151 " but I'm not able to read them.");
153 priv
->ext_cap
= (cap
[0] << 16) | (cap
[1] << 8) | cap
[2];
156 * if nExtBtn is greater than 8 it should be considered
157 * invalid and treated as 0
159 if (SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
) > 8)
160 priv
->ext_cap
&= 0xff0fff;
168 * See also the SYN_ID_* macros
170 static int synaptics_identify(struct psmouse
*psmouse
)
172 struct synaptics_data
*priv
= psmouse
->private;
175 if (synaptics_send_cmd(psmouse
, SYN_QUE_IDENTIFY
, id
))
177 priv
->identity
= (id
[0]<<16) | (id
[1]<<8) | id
[2];
178 if (SYN_ID_IS_SYNAPTICS(priv
->identity
))
183 static int synaptics_query_hardware(struct psmouse
*psmouse
)
185 if (synaptics_identify(psmouse
))
187 if (synaptics_model_id(psmouse
))
189 if (synaptics_capability(psmouse
))
195 static int synaptics_set_absolute_mode(struct psmouse
*psmouse
)
197 struct synaptics_data
*priv
= psmouse
->private;
199 priv
->mode
= SYN_BIT_ABSOLUTE_MODE
;
200 if (SYN_ID_MAJOR(priv
->identity
) >= 4)
201 priv
->mode
|= SYN_BIT_DISABLE_GESTURE
;
202 if (SYN_CAP_EXTENDED(priv
->capabilities
))
203 priv
->mode
|= SYN_BIT_W_MODE
;
205 if (synaptics_mode_cmd(psmouse
, priv
->mode
))
211 static void synaptics_set_rate(struct psmouse
*psmouse
, unsigned int rate
)
213 struct synaptics_data
*priv
= psmouse
->private;
216 priv
->mode
|= SYN_BIT_HIGH_RATE
;
219 priv
->mode
&= ~SYN_BIT_HIGH_RATE
;
223 synaptics_mode_cmd(psmouse
, priv
->mode
);
226 /*****************************************************************************
227 * Synaptics pass-through PS/2 port support
228 ****************************************************************************/
229 static int synaptics_pt_write(struct serio
*serio
, unsigned char c
)
231 struct psmouse
*parent
= serio_get_drvdata(serio
->parent
);
232 char rate_param
= SYN_PS_CLIENT_CMD
; /* indicates that we want pass-through port */
234 if (psmouse_sliced_command(parent
, c
))
236 if (ps2_command(&parent
->ps2dev
, &rate_param
, PSMOUSE_CMD_SETRATE
))
241 static inline int synaptics_is_pt_packet(unsigned char *buf
)
243 return (buf
[0] & 0xFC) == 0x84 && (buf
[3] & 0xCC) == 0xC4;
246 static void synaptics_pass_pt_packet(struct serio
*ptport
, unsigned char *packet
)
248 struct psmouse
*child
= serio_get_drvdata(ptport
);
250 if (child
&& child
->state
== PSMOUSE_ACTIVATED
) {
251 serio_interrupt(ptport
, packet
[1], 0);
252 serio_interrupt(ptport
, packet
[4], 0);
253 serio_interrupt(ptport
, packet
[5], 0);
254 if (child
->pktsize
== 4)
255 serio_interrupt(ptport
, packet
[2], 0);
257 serio_interrupt(ptport
, packet
[1], 0);
260 static void synaptics_pt_activate(struct psmouse
*psmouse
)
262 struct serio
*ptport
= psmouse
->ps2dev
.serio
->child
;
263 struct psmouse
*child
= serio_get_drvdata(ptport
);
264 struct synaptics_data
*priv
= psmouse
->private;
266 /* adjust the touchpad to child's choice of protocol */
268 if (child
->pktsize
== 4)
269 priv
->mode
|= SYN_BIT_FOUR_BYTE_CLIENT
;
271 priv
->mode
&= ~SYN_BIT_FOUR_BYTE_CLIENT
;
273 if (synaptics_mode_cmd(psmouse
, priv
->mode
))
274 printk(KERN_INFO
"synaptics: failed to switch guest protocol\n");
278 static void synaptics_pt_create(struct psmouse
*psmouse
)
282 serio
= kzalloc(sizeof(struct serio
), GFP_KERNEL
);
284 printk(KERN_ERR
"synaptics: not enough memory to allocate pass-through port\n");
288 serio
->id
.type
= SERIO_PS_PSTHRU
;
289 strlcpy(serio
->name
, "Synaptics pass-through", sizeof(serio
->name
));
290 strlcpy(serio
->phys
, "synaptics-pt/serio0", sizeof(serio
->name
));
291 serio
->write
= synaptics_pt_write
;
292 serio
->parent
= psmouse
->ps2dev
.serio
;
294 psmouse
->pt_activate
= synaptics_pt_activate
;
296 printk(KERN_INFO
"serio: %s port at %s\n", serio
->name
, psmouse
->phys
);
297 serio_register_port(serio
);
300 /*****************************************************************************
301 * Functions to interpret the absolute mode packets
302 ****************************************************************************/
304 static void synaptics_parse_hw_state(unsigned char buf
[], struct synaptics_data
*priv
, struct synaptics_hw_state
*hw
)
306 memset(hw
, 0, sizeof(struct synaptics_hw_state
));
308 if (SYN_MODEL_NEWABS(priv
->model_id
)) {
309 hw
->x
= (((buf
[3] & 0x10) << 8) |
310 ((buf
[1] & 0x0f) << 8) |
312 hw
->y
= (((buf
[3] & 0x20) << 7) |
313 ((buf
[1] & 0xf0) << 4) |
317 hw
->w
= (((buf
[0] & 0x30) >> 2) |
318 ((buf
[0] & 0x04) >> 1) |
319 ((buf
[3] & 0x04) >> 2));
321 hw
->left
= (buf
[0] & 0x01) ? 1 : 0;
322 hw
->right
= (buf
[0] & 0x02) ? 1 : 0;
324 if (SYN_CAP_MIDDLE_BUTTON(priv
->capabilities
)) {
325 hw
->middle
= ((buf
[0] ^ buf
[3]) & 0x01) ? 1 : 0;
327 hw
->scroll
= (signed char)(buf
[1]);
330 if (SYN_CAP_FOUR_BUTTON(priv
->capabilities
)) {
331 hw
->up
= ((buf
[0] ^ buf
[3]) & 0x01) ? 1 : 0;
332 hw
->down
= ((buf
[0] ^ buf
[3]) & 0x02) ? 1 : 0;
335 if (SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
) &&
336 ((buf
[0] ^ buf
[3]) & 0x02)) {
337 switch (SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
) & ~0x01) {
340 * if nExtBtn is greater than 8 it should be
341 * considered invalid and treated as 0
345 hw
->ext_buttons
|= ((buf
[5] & 0x08)) ? 0x80 : 0;
346 hw
->ext_buttons
|= ((buf
[4] & 0x08)) ? 0x40 : 0;
348 hw
->ext_buttons
|= ((buf
[5] & 0x04)) ? 0x20 : 0;
349 hw
->ext_buttons
|= ((buf
[4] & 0x04)) ? 0x10 : 0;
351 hw
->ext_buttons
|= ((buf
[5] & 0x02)) ? 0x08 : 0;
352 hw
->ext_buttons
|= ((buf
[4] & 0x02)) ? 0x04 : 0;
354 hw
->ext_buttons
|= ((buf
[5] & 0x01)) ? 0x02 : 0;
355 hw
->ext_buttons
|= ((buf
[4] & 0x01)) ? 0x01 : 0;
359 hw
->x
= (((buf
[1] & 0x1f) << 8) | buf
[2]);
360 hw
->y
= (((buf
[4] & 0x1f) << 8) | buf
[5]);
362 hw
->z
= (((buf
[0] & 0x30) << 2) | (buf
[3] & 0x3F));
363 hw
->w
= (((buf
[1] & 0x80) >> 4) | ((buf
[0] & 0x04) >> 1));
365 hw
->left
= (buf
[0] & 0x01) ? 1 : 0;
366 hw
->right
= (buf
[0] & 0x02) ? 1 : 0;
371 * called for each full received packet from the touchpad
373 static void synaptics_process_packet(struct psmouse
*psmouse
)
375 struct input_dev
*dev
= psmouse
->dev
;
376 struct synaptics_data
*priv
= psmouse
->private;
377 struct synaptics_hw_state hw
;
382 synaptics_parse_hw_state(psmouse
->packet
, priv
, &hw
);
385 priv
->scroll
+= hw
.scroll
;
387 while (priv
->scroll
>= 4) {
388 input_report_key(dev
, BTN_BACK
, !hw
.down
);
390 input_report_key(dev
, BTN_BACK
, hw
.down
);
394 while (priv
->scroll
<= -4) {
395 input_report_key(dev
, BTN_FORWARD
, !hw
.up
);
397 input_report_key(dev
, BTN_FORWARD
, hw
.up
);
407 if (SYN_CAP_EXTENDED(priv
->capabilities
)) {
410 if (SYN_CAP_MULTIFINGER(priv
->capabilities
))
411 num_fingers
= hw
.w
+ 2;
414 if (SYN_MODEL_PEN(priv
->model_id
))
415 ; /* Nothing, treat a pen as a single finger */
418 if (SYN_CAP_PALMDETECT(priv
->capabilities
))
429 * BTN_TOUCH has to be first as mousedev relies on it when doing
430 * absolute -> relative conversion
432 if (hw
.z
> 30) input_report_key(dev
, BTN_TOUCH
, 1);
433 if (hw
.z
< 25) input_report_key(dev
, BTN_TOUCH
, 0);
436 input_report_abs(dev
, ABS_X
, hw
.x
);
437 input_report_abs(dev
, ABS_Y
, YMAX_NOMINAL
+ YMIN_NOMINAL
- hw
.y
);
439 input_report_abs(dev
, ABS_PRESSURE
, hw
.z
);
441 input_report_abs(dev
, ABS_TOOL_WIDTH
, finger_width
);
442 input_report_key(dev
, BTN_TOOL_FINGER
, num_fingers
== 1);
443 input_report_key(dev
, BTN_LEFT
, hw
.left
);
444 input_report_key(dev
, BTN_RIGHT
, hw
.right
);
446 if (SYN_CAP_MULTIFINGER(priv
->capabilities
)) {
447 input_report_key(dev
, BTN_TOOL_DOUBLETAP
, num_fingers
== 2);
448 input_report_key(dev
, BTN_TOOL_TRIPLETAP
, num_fingers
== 3);
451 if (SYN_CAP_MIDDLE_BUTTON(priv
->capabilities
))
452 input_report_key(dev
, BTN_MIDDLE
, hw
.middle
);
454 if (SYN_CAP_FOUR_BUTTON(priv
->capabilities
)) {
455 input_report_key(dev
, BTN_FORWARD
, hw
.up
);
456 input_report_key(dev
, BTN_BACK
, hw
.down
);
459 for (i
= 0; i
< SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
); i
++)
460 input_report_key(dev
, BTN_0
+ i
, hw
.ext_buttons
& (1 << i
));
465 static int synaptics_validate_byte(unsigned char packet
[], int idx
, unsigned char pkt_type
)
467 static const unsigned char newabs_mask
[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 };
468 static const unsigned char newabs_rel_mask
[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 };
469 static const unsigned char newabs_rslt
[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 };
470 static const unsigned char oldabs_mask
[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
471 static const unsigned char oldabs_rslt
[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 };
473 if (idx
< 0 || idx
> 4)
478 case SYN_NEWABS_RELAXED
:
479 return (packet
[idx
] & newabs_rel_mask
[idx
]) == newabs_rslt
[idx
];
481 case SYN_NEWABS_STRICT
:
482 return (packet
[idx
] & newabs_mask
[idx
]) == newabs_rslt
[idx
];
485 return (packet
[idx
] & oldabs_mask
[idx
]) == oldabs_rslt
[idx
];
488 printk(KERN_ERR
"synaptics: unknown packet type %d\n", pkt_type
);
493 static unsigned char synaptics_detect_pkt_type(struct psmouse
*psmouse
)
497 for (i
= 0; i
< 5; i
++)
498 if (!synaptics_validate_byte(psmouse
->packet
, i
, SYN_NEWABS_STRICT
)) {
499 printk(KERN_INFO
"synaptics: using relaxed packet validation\n");
500 return SYN_NEWABS_RELAXED
;
503 return SYN_NEWABS_STRICT
;
506 static psmouse_ret_t
synaptics_process_byte(struct psmouse
*psmouse
)
508 struct synaptics_data
*priv
= psmouse
->private;
510 if (psmouse
->pktcnt
>= 6) { /* Full packet received */
511 if (unlikely(priv
->pkt_type
== SYN_NEWABS
))
512 priv
->pkt_type
= synaptics_detect_pkt_type(psmouse
);
514 if (SYN_CAP_PASS_THROUGH(priv
->capabilities
) && synaptics_is_pt_packet(psmouse
->packet
)) {
515 if (psmouse
->ps2dev
.serio
->child
)
516 synaptics_pass_pt_packet(psmouse
->ps2dev
.serio
->child
, psmouse
->packet
);
518 synaptics_process_packet(psmouse
);
520 return PSMOUSE_FULL_PACKET
;
523 return synaptics_validate_byte(psmouse
->packet
, psmouse
->pktcnt
- 1, priv
->pkt_type
) ?
524 PSMOUSE_GOOD_DATA
: PSMOUSE_BAD_DATA
;
527 /*****************************************************************************
528 * Driver initialization/cleanup functions
529 ****************************************************************************/
530 static void set_input_params(struct input_dev
*dev
, struct synaptics_data
*priv
)
534 set_bit(EV_ABS
, dev
->evbit
);
535 input_set_abs_params(dev
, ABS_X
, XMIN_NOMINAL
, XMAX_NOMINAL
, 0, 0);
536 input_set_abs_params(dev
, ABS_Y
, YMIN_NOMINAL
, YMAX_NOMINAL
, 0, 0);
537 input_set_abs_params(dev
, ABS_PRESSURE
, 0, 255, 0, 0);
538 set_bit(ABS_TOOL_WIDTH
, dev
->absbit
);
540 set_bit(EV_KEY
, dev
->evbit
);
541 set_bit(BTN_TOUCH
, dev
->keybit
);
542 set_bit(BTN_TOOL_FINGER
, dev
->keybit
);
543 set_bit(BTN_LEFT
, dev
->keybit
);
544 set_bit(BTN_RIGHT
, dev
->keybit
);
546 if (SYN_CAP_MULTIFINGER(priv
->capabilities
)) {
547 set_bit(BTN_TOOL_DOUBLETAP
, dev
->keybit
);
548 set_bit(BTN_TOOL_TRIPLETAP
, dev
->keybit
);
551 if (SYN_CAP_MIDDLE_BUTTON(priv
->capabilities
))
552 set_bit(BTN_MIDDLE
, dev
->keybit
);
554 if (SYN_CAP_FOUR_BUTTON(priv
->capabilities
) ||
555 SYN_CAP_MIDDLE_BUTTON(priv
->capabilities
)) {
556 set_bit(BTN_FORWARD
, dev
->keybit
);
557 set_bit(BTN_BACK
, dev
->keybit
);
560 for (i
= 0; i
< SYN_CAP_MULTI_BUTTON_NO(priv
->ext_cap
); i
++)
561 set_bit(BTN_0
+ i
, dev
->keybit
);
563 clear_bit(EV_REL
, dev
->evbit
);
564 clear_bit(REL_X
, dev
->relbit
);
565 clear_bit(REL_Y
, dev
->relbit
);
568 static void synaptics_disconnect(struct psmouse
*psmouse
)
570 synaptics_reset(psmouse
);
571 kfree(psmouse
->private);
572 psmouse
->private = NULL
;
575 static int synaptics_reconnect(struct psmouse
*psmouse
)
577 struct synaptics_data
*priv
= psmouse
->private;
578 struct synaptics_data old_priv
= *priv
;
580 psmouse_reset(psmouse
);
582 if (synaptics_detect(psmouse
, 0))
585 if (synaptics_query_hardware(psmouse
)) {
586 printk(KERN_ERR
"Unable to query Synaptics hardware.\n");
590 if (old_priv
.identity
!= priv
->identity
||
591 old_priv
.model_id
!= priv
->model_id
||
592 old_priv
.capabilities
!= priv
->capabilities
||
593 old_priv
.ext_cap
!= priv
->ext_cap
)
596 if (synaptics_set_absolute_mode(psmouse
)) {
597 printk(KERN_ERR
"Unable to initialize Synaptics hardware.\n");
604 #if defined(__i386__)
605 #include <linux/dmi.h>
606 static const struct dmi_system_id toshiba_dmi_table
[] = {
608 .ident
= "Toshiba Satellite",
610 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
611 DMI_MATCH(DMI_PRODUCT_NAME
, "Satellite"),
615 .ident
= "Toshiba Dynabook",
617 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
618 DMI_MATCH(DMI_PRODUCT_NAME
, "dynabook"),
622 .ident
= "Toshiba Portege M300",
624 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
625 DMI_MATCH(DMI_PRODUCT_NAME
, "PORTEGE M300"),
632 int synaptics_init(struct psmouse
*psmouse
)
634 struct synaptics_data
*priv
;
636 psmouse
->private = priv
= kzalloc(sizeof(struct synaptics_data
), GFP_KERNEL
);
640 psmouse_reset(psmouse
);
642 if (synaptics_query_hardware(psmouse
)) {
643 printk(KERN_ERR
"Unable to query Synaptics hardware.\n");
647 if (synaptics_set_absolute_mode(psmouse
)) {
648 printk(KERN_ERR
"Unable to initialize Synaptics hardware.\n");
652 priv
->pkt_type
= SYN_MODEL_NEWABS(priv
->model_id
) ? SYN_NEWABS
: SYN_OLDABS
;
654 printk(KERN_INFO
"Synaptics Touchpad, model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx\n",
655 SYN_ID_MODEL(priv
->identity
),
656 SYN_ID_MAJOR(priv
->identity
), SYN_ID_MINOR(priv
->identity
),
657 priv
->model_id
, priv
->capabilities
, priv
->ext_cap
);
659 set_input_params(psmouse
->dev
, priv
);
662 * Encode touchpad model so that it can be used to set
663 * input device->id.version and be visible to userspace.
664 * Because version is __u16 we have to drop something.
665 * Hardware info bits seem to be good candidates as they
666 * are documented to be for Synaptics corp. internal use.
668 psmouse
->model
= ((priv
->model_id
& 0x00ff0000) >> 8) |
669 (priv
->model_id
& 0x000000ff);
671 psmouse
->protocol_handler
= synaptics_process_byte
;
672 psmouse
->set_rate
= synaptics_set_rate
;
673 psmouse
->disconnect
= synaptics_disconnect
;
674 psmouse
->reconnect
= synaptics_reconnect
;
675 psmouse
->cleanup
= synaptics_reset
;
676 psmouse
->pktsize
= 6;
677 /* Synaptics can usually stay in sync without extra help */
678 psmouse
->resync_time
= 0;
680 if (SYN_CAP_PASS_THROUGH(priv
->capabilities
))
681 synaptics_pt_create(psmouse
);
683 #if defined(__i386__)
685 * Toshiba's KBC seems to have trouble handling data from
686 * Synaptics as full rate, switch to lower rate which is roughly
687 * thye same as rate of standard PS/2 mouse.
689 if (psmouse
->rate
>= 80 && dmi_check_system(toshiba_dmi_table
)) {
690 printk(KERN_INFO
"synaptics: Toshiba %s detected, limiting rate to 40pps.\n",
691 dmi_get_system_info(DMI_PRODUCT_NAME
));
703 #else /* CONFIG_MOUSE_PS2_SYNAPTICS */
705 int synaptics_init(struct psmouse
*psmouse
)
710 #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */