55e3d9224b
Allow ALPS, LOGIPS2PP, LIFEBOOK, TRACKPOINT and TOUCHKIT protocol extensions of psmouse to be disabled during compilation. This will allow users save some memory when they are sure that they will only use a certain type of mice. Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
698 lines
19 KiB
C
698 lines
19 KiB
C
/*
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* Synaptics TouchPad PS/2 mouse driver
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*
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* 2003 Dmitry Torokhov <dtor@mail.ru>
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* Added support for pass-through port. Special thanks to Peter Berg Larsen
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* for explaining various Synaptics quirks.
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*
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* 2003 Peter Osterlund <petero2@telia.com>
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* Ported to 2.5 input device infrastructure.
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*
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* Copyright (C) 2001 Stefan Gmeiner <riddlebox@freesurf.ch>
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* start merging tpconfig and gpm code to a xfree-input module
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* adding some changes and extensions (ex. 3rd and 4th button)
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*
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* Copyright (c) 1997 C. Scott Ananian <cananian@alumni.priceton.edu>
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* Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com>
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* code for the special synaptics commands (from the tpconfig-source)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* Trademarks are the property of their respective owners.
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*/
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#include <linux/module.h>
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#include <linux/input.h>
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#include <linux/serio.h>
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#include <linux/libps2.h>
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#include "psmouse.h"
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#include "synaptics.h"
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/*
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* The x/y limits are taken from the Synaptics TouchPad interfacing Guide,
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* section 2.3.2, which says that they should be valid regardless of the
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* actual size of the sensor.
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*/
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#define XMIN_NOMINAL 1472
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#define XMAX_NOMINAL 5472
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#define YMIN_NOMINAL 1408
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#define YMAX_NOMINAL 4448
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/*****************************************************************************
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* Stuff we need even when we do not want native Synaptics support
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****************************************************************************/
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/*
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* Set the synaptics touchpad mode byte by special commands
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*/
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static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode)
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{
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unsigned char param[1];
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if (psmouse_sliced_command(psmouse, mode))
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return -1;
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param[0] = SYN_PS_SET_MODE2;
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if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE))
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return -1;
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return 0;
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}
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int synaptics_detect(struct psmouse *psmouse, int set_properties)
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{
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struct ps2dev *ps2dev = &psmouse->ps2dev;
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unsigned char param[4];
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param[0] = 0;
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ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
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ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
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ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
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ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
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ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
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if (param[1] != 0x47)
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return -ENODEV;
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if (set_properties) {
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psmouse->vendor = "Synaptics";
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psmouse->name = "TouchPad";
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}
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return 0;
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}
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void synaptics_reset(struct psmouse *psmouse)
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{
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/* reset touchpad back to relative mode, gestures enabled */
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synaptics_mode_cmd(psmouse, 0);
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}
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#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
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/*****************************************************************************
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* Synaptics communications functions
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****************************************************************************/
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/*
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* Send a command to the synpatics touchpad by special commands
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*/
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static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param)
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{
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if (psmouse_sliced_command(psmouse, c))
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return -1;
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if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO))
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return -1;
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return 0;
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}
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/*
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* Read the model-id bytes from the touchpad
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* see also SYN_MODEL_* macros
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*/
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static int synaptics_model_id(struct psmouse *psmouse)
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{
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struct synaptics_data *priv = psmouse->private;
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unsigned char mi[3];
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if (synaptics_send_cmd(psmouse, SYN_QUE_MODEL, mi))
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return -1;
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priv->model_id = (mi[0]<<16) | (mi[1]<<8) | mi[2];
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return 0;
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}
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/*
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* Read the capability-bits from the touchpad
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* see also the SYN_CAP_* macros
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*/
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static int synaptics_capability(struct psmouse *psmouse)
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{
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struct synaptics_data *priv = psmouse->private;
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unsigned char cap[3];
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if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap))
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return -1;
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priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2];
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priv->ext_cap = 0;
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if (!SYN_CAP_VALID(priv->capabilities))
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return -1;
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/*
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* Unless capExtended is set the rest of the flags should be ignored
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*/
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if (!SYN_CAP_EXTENDED(priv->capabilities))
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priv->capabilities = 0;
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if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) {
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if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) {
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printk(KERN_ERR "Synaptics claims to have extended capabilities,"
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" but I'm not able to read them.");
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} else {
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priv->ext_cap = (cap[0] << 16) | (cap[1] << 8) | cap[2];
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/*
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* if nExtBtn is greater than 8 it should be considered
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* invalid and treated as 0
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*/
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if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 8)
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priv->ext_cap &= 0xff0fff;
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}
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}
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return 0;
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}
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/*
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* Identify Touchpad
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* See also the SYN_ID_* macros
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*/
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static int synaptics_identify(struct psmouse *psmouse)
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{
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struct synaptics_data *priv = psmouse->private;
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unsigned char id[3];
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if (synaptics_send_cmd(psmouse, SYN_QUE_IDENTIFY, id))
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return -1;
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priv->identity = (id[0]<<16) | (id[1]<<8) | id[2];
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if (SYN_ID_IS_SYNAPTICS(priv->identity))
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return 0;
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return -1;
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}
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static int synaptics_query_hardware(struct psmouse *psmouse)
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{
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int retries = 0;
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while ((retries++ < 3) && psmouse_reset(psmouse))
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printk(KERN_ERR "synaptics reset failed\n");
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if (synaptics_identify(psmouse))
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return -1;
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if (synaptics_model_id(psmouse))
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return -1;
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if (synaptics_capability(psmouse))
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return -1;
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return 0;
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}
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static int synaptics_set_absolute_mode(struct psmouse *psmouse)
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{
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struct synaptics_data *priv = psmouse->private;
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priv->mode = SYN_BIT_ABSOLUTE_MODE;
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if (SYN_ID_MAJOR(priv->identity) >= 4)
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priv->mode |= SYN_BIT_DISABLE_GESTURE;
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if (SYN_CAP_EXTENDED(priv->capabilities))
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priv->mode |= SYN_BIT_W_MODE;
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if (synaptics_mode_cmd(psmouse, priv->mode))
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return -1;
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return 0;
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}
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static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate)
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{
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struct synaptics_data *priv = psmouse->private;
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if (rate >= 80) {
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priv->mode |= SYN_BIT_HIGH_RATE;
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psmouse->rate = 80;
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} else {
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priv->mode &= ~SYN_BIT_HIGH_RATE;
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psmouse->rate = 40;
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}
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synaptics_mode_cmd(psmouse, priv->mode);
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}
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/*****************************************************************************
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* Synaptics pass-through PS/2 port support
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****************************************************************************/
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static int synaptics_pt_write(struct serio *serio, unsigned char c)
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{
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struct psmouse *parent = serio_get_drvdata(serio->parent);
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char rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */
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if (psmouse_sliced_command(parent, c))
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return -1;
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if (ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE))
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return -1;
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return 0;
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}
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static inline int synaptics_is_pt_packet(unsigned char *buf)
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{
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return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4;
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}
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static void synaptics_pass_pt_packet(struct serio *ptport, unsigned char *packet)
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{
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struct psmouse *child = serio_get_drvdata(ptport);
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if (child && child->state == PSMOUSE_ACTIVATED) {
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serio_interrupt(ptport, packet[1], 0);
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serio_interrupt(ptport, packet[4], 0);
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serio_interrupt(ptport, packet[5], 0);
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if (child->pktsize == 4)
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serio_interrupt(ptport, packet[2], 0);
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} else
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serio_interrupt(ptport, packet[1], 0);
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}
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static void synaptics_pt_activate(struct psmouse *psmouse)
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{
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struct serio *ptport = psmouse->ps2dev.serio->child;
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struct psmouse *child = serio_get_drvdata(ptport);
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struct synaptics_data *priv = psmouse->private;
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/* adjust the touchpad to child's choice of protocol */
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if (child) {
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if (child->pktsize == 4)
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priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT;
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else
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priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT;
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if (synaptics_mode_cmd(psmouse, priv->mode))
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printk(KERN_INFO "synaptics: failed to switch guest protocol\n");
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}
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}
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static void synaptics_pt_create(struct psmouse *psmouse)
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{
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struct serio *serio;
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serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
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if (!serio) {
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printk(KERN_ERR "synaptics: not enough memory to allocate pass-through port\n");
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return;
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}
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serio->id.type = SERIO_PS_PSTHRU;
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strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name));
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strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name));
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serio->write = synaptics_pt_write;
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serio->parent = psmouse->ps2dev.serio;
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psmouse->pt_activate = synaptics_pt_activate;
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printk(KERN_INFO "serio: %s port at %s\n", serio->name, psmouse->phys);
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serio_register_port(serio);
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}
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/*****************************************************************************
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* Functions to interpret the absolute mode packets
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****************************************************************************/
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static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw)
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{
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memset(hw, 0, sizeof(struct synaptics_hw_state));
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if (SYN_MODEL_NEWABS(priv->model_id)) {
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hw->x = (((buf[3] & 0x10) << 8) |
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((buf[1] & 0x0f) << 8) |
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buf[4]);
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hw->y = (((buf[3] & 0x20) << 7) |
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((buf[1] & 0xf0) << 4) |
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buf[5]);
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hw->z = buf[2];
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hw->w = (((buf[0] & 0x30) >> 2) |
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((buf[0] & 0x04) >> 1) |
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((buf[3] & 0x04) >> 2));
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hw->left = (buf[0] & 0x01) ? 1 : 0;
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hw->right = (buf[0] & 0x02) ? 1 : 0;
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if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) {
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hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
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if (hw->w == 2)
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hw->scroll = (signed char)(buf[1]);
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}
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if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) {
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hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
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hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0;
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}
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if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) &&
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((buf[0] ^ buf[3]) & 0x02)) {
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switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) {
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default:
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/*
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* if nExtBtn is greater than 8 it should be
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* considered invalid and treated as 0
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*/
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break;
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case 8:
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hw->ext_buttons |= ((buf[5] & 0x08)) ? 0x80 : 0;
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hw->ext_buttons |= ((buf[4] & 0x08)) ? 0x40 : 0;
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case 6:
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hw->ext_buttons |= ((buf[5] & 0x04)) ? 0x20 : 0;
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hw->ext_buttons |= ((buf[4] & 0x04)) ? 0x10 : 0;
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case 4:
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hw->ext_buttons |= ((buf[5] & 0x02)) ? 0x08 : 0;
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hw->ext_buttons |= ((buf[4] & 0x02)) ? 0x04 : 0;
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case 2:
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hw->ext_buttons |= ((buf[5] & 0x01)) ? 0x02 : 0;
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hw->ext_buttons |= ((buf[4] & 0x01)) ? 0x01 : 0;
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}
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}
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} else {
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hw->x = (((buf[1] & 0x1f) << 8) | buf[2]);
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hw->y = (((buf[4] & 0x1f) << 8) | buf[5]);
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hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F));
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hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1));
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hw->left = (buf[0] & 0x01) ? 1 : 0;
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hw->right = (buf[0] & 0x02) ? 1 : 0;
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}
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}
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/*
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* called for each full received packet from the touchpad
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*/
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static void synaptics_process_packet(struct psmouse *psmouse)
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{
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struct input_dev *dev = psmouse->dev;
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struct synaptics_data *priv = psmouse->private;
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struct synaptics_hw_state hw;
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int num_fingers;
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int finger_width;
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int i;
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synaptics_parse_hw_state(psmouse->packet, priv, &hw);
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if (hw.scroll) {
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priv->scroll += hw.scroll;
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while (priv->scroll >= 4) {
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input_report_key(dev, BTN_BACK, !hw.down);
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input_sync(dev);
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input_report_key(dev, BTN_BACK, hw.down);
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input_sync(dev);
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priv->scroll -= 4;
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}
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while (priv->scroll <= -4) {
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input_report_key(dev, BTN_FORWARD, !hw.up);
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input_sync(dev);
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input_report_key(dev, BTN_FORWARD, hw.up);
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input_sync(dev);
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priv->scroll += 4;
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}
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return;
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}
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if (hw.z > 0) {
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num_fingers = 1;
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finger_width = 5;
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if (SYN_CAP_EXTENDED(priv->capabilities)) {
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switch (hw.w) {
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case 0 ... 1:
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if (SYN_CAP_MULTIFINGER(priv->capabilities))
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num_fingers = hw.w + 2;
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break;
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case 2:
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if (SYN_MODEL_PEN(priv->model_id))
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; /* Nothing, treat a pen as a single finger */
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break;
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case 4 ... 15:
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if (SYN_CAP_PALMDETECT(priv->capabilities))
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finger_width = hw.w;
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break;
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}
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}
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} else {
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num_fingers = 0;
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finger_width = 0;
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}
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/* Post events
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* BTN_TOUCH has to be first as mousedev relies on it when doing
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* absolute -> relative conversion
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*/
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if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1);
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if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0);
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if (hw.z > 0) {
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input_report_abs(dev, ABS_X, hw.x);
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input_report_abs(dev, ABS_Y, YMAX_NOMINAL + YMIN_NOMINAL - hw.y);
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}
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input_report_abs(dev, ABS_PRESSURE, hw.z);
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input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
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input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1);
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input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
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input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3);
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input_report_key(dev, BTN_LEFT, hw.left);
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input_report_key(dev, BTN_RIGHT, hw.right);
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if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
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input_report_key(dev, BTN_MIDDLE, hw.middle);
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if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) {
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input_report_key(dev, BTN_FORWARD, hw.up);
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input_report_key(dev, BTN_BACK, hw.down);
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}
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for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
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input_report_key(dev, BTN_0 + i, hw.ext_buttons & (1 << i));
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input_sync(dev);
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}
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static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned char pkt_type)
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{
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static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 };
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static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 };
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static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 };
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static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
|
|
static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 };
|
|
|
|
if (idx < 0 || idx > 4)
|
|
return 0;
|
|
|
|
switch (pkt_type) {
|
|
case SYN_NEWABS:
|
|
case SYN_NEWABS_RELAXED:
|
|
return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx];
|
|
|
|
case SYN_NEWABS_STRICT:
|
|
return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx];
|
|
|
|
case SYN_OLDABS:
|
|
return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx];
|
|
|
|
default:
|
|
printk(KERN_ERR "synaptics: unknown packet type %d\n", pkt_type);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 5; i++)
|
|
if (!synaptics_validate_byte(psmouse->packet, i, SYN_NEWABS_STRICT)) {
|
|
printk(KERN_INFO "synaptics: using relaxed packet validation\n");
|
|
return SYN_NEWABS_RELAXED;
|
|
}
|
|
|
|
return SYN_NEWABS_STRICT;
|
|
}
|
|
|
|
static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
|
|
{
|
|
struct synaptics_data *priv = psmouse->private;
|
|
|
|
if (psmouse->pktcnt >= 6) { /* Full packet received */
|
|
if (unlikely(priv->pkt_type == SYN_NEWABS))
|
|
priv->pkt_type = synaptics_detect_pkt_type(psmouse);
|
|
|
|
if (SYN_CAP_PASS_THROUGH(priv->capabilities) && synaptics_is_pt_packet(psmouse->packet)) {
|
|
if (psmouse->ps2dev.serio->child)
|
|
synaptics_pass_pt_packet(psmouse->ps2dev.serio->child, psmouse->packet);
|
|
} else
|
|
synaptics_process_packet(psmouse);
|
|
|
|
return PSMOUSE_FULL_PACKET;
|
|
}
|
|
|
|
return synaptics_validate_byte(psmouse->packet, psmouse->pktcnt - 1, priv->pkt_type) ?
|
|
PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Driver initialization/cleanup functions
|
|
****************************************************************************/
|
|
static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
|
|
{
|
|
int i;
|
|
|
|
set_bit(EV_ABS, dev->evbit);
|
|
input_set_abs_params(dev, ABS_X, XMIN_NOMINAL, XMAX_NOMINAL, 0, 0);
|
|
input_set_abs_params(dev, ABS_Y, YMIN_NOMINAL, YMAX_NOMINAL, 0, 0);
|
|
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
|
|
set_bit(ABS_TOOL_WIDTH, dev->absbit);
|
|
|
|
set_bit(EV_KEY, dev->evbit);
|
|
set_bit(BTN_TOUCH, dev->keybit);
|
|
set_bit(BTN_TOOL_FINGER, dev->keybit);
|
|
set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
|
|
set_bit(BTN_TOOL_TRIPLETAP, dev->keybit);
|
|
|
|
set_bit(BTN_LEFT, dev->keybit);
|
|
set_bit(BTN_RIGHT, dev->keybit);
|
|
|
|
if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
|
|
set_bit(BTN_MIDDLE, dev->keybit);
|
|
|
|
if (SYN_CAP_FOUR_BUTTON(priv->capabilities) ||
|
|
SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) {
|
|
set_bit(BTN_FORWARD, dev->keybit);
|
|
set_bit(BTN_BACK, dev->keybit);
|
|
}
|
|
|
|
for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
|
|
set_bit(BTN_0 + i, dev->keybit);
|
|
|
|
clear_bit(EV_REL, dev->evbit);
|
|
clear_bit(REL_X, dev->relbit);
|
|
clear_bit(REL_Y, dev->relbit);
|
|
}
|
|
|
|
static void synaptics_disconnect(struct psmouse *psmouse)
|
|
{
|
|
synaptics_reset(psmouse);
|
|
kfree(psmouse->private);
|
|
psmouse->private = NULL;
|
|
}
|
|
|
|
static int synaptics_reconnect(struct psmouse *psmouse)
|
|
{
|
|
struct synaptics_data *priv = psmouse->private;
|
|
struct synaptics_data old_priv = *priv;
|
|
|
|
if (synaptics_detect(psmouse, 0))
|
|
return -1;
|
|
|
|
if (synaptics_query_hardware(psmouse)) {
|
|
printk(KERN_ERR "Unable to query Synaptics hardware.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (old_priv.identity != priv->identity ||
|
|
old_priv.model_id != priv->model_id ||
|
|
old_priv.capabilities != priv->capabilities ||
|
|
old_priv.ext_cap != priv->ext_cap)
|
|
return -1;
|
|
|
|
if (synaptics_set_absolute_mode(psmouse)) {
|
|
printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(__i386__)
|
|
#include <linux/dmi.h>
|
|
static struct dmi_system_id toshiba_dmi_table[] = {
|
|
{
|
|
.ident = "Toshiba Satellite",
|
|
.matches = {
|
|
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"),
|
|
},
|
|
},
|
|
{
|
|
.ident = "Toshiba Dynabook",
|
|
.matches = {
|
|
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"),
|
|
},
|
|
},
|
|
{
|
|
.ident = "Toshiba Portege M300",
|
|
.matches = {
|
|
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"),
|
|
},
|
|
},
|
|
{ }
|
|
};
|
|
#endif
|
|
|
|
int synaptics_init(struct psmouse *psmouse)
|
|
{
|
|
struct synaptics_data *priv;
|
|
|
|
psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL);
|
|
if (!priv)
|
|
return -1;
|
|
|
|
if (synaptics_query_hardware(psmouse)) {
|
|
printk(KERN_ERR "Unable to query Synaptics hardware.\n");
|
|
goto init_fail;
|
|
}
|
|
|
|
if (synaptics_set_absolute_mode(psmouse)) {
|
|
printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
|
|
goto init_fail;
|
|
}
|
|
|
|
priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS;
|
|
|
|
printk(KERN_INFO "Synaptics Touchpad, model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx\n",
|
|
SYN_ID_MODEL(priv->identity),
|
|
SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity),
|
|
priv->model_id, priv->capabilities, priv->ext_cap);
|
|
|
|
set_input_params(psmouse->dev, priv);
|
|
|
|
psmouse->protocol_handler = synaptics_process_byte;
|
|
psmouse->set_rate = synaptics_set_rate;
|
|
psmouse->disconnect = synaptics_disconnect;
|
|
psmouse->reconnect = synaptics_reconnect;
|
|
psmouse->cleanup = synaptics_reset;
|
|
psmouse->pktsize = 6;
|
|
/* Synaptics can usually stay in sync without extra help */
|
|
psmouse->resync_time = 0;
|
|
|
|
if (SYN_CAP_PASS_THROUGH(priv->capabilities))
|
|
synaptics_pt_create(psmouse);
|
|
|
|
#if defined(__i386__)
|
|
/*
|
|
* Toshiba's KBC seems to have trouble handling data from
|
|
* Synaptics as full rate, switch to lower rate which is roughly
|
|
* thye same as rate of standard PS/2 mouse.
|
|
*/
|
|
if (psmouse->rate >= 80 && dmi_check_system(toshiba_dmi_table)) {
|
|
printk(KERN_INFO "synaptics: Toshiba %s detected, limiting rate to 40pps.\n",
|
|
dmi_get_system_info(DMI_PRODUCT_NAME));
|
|
psmouse->rate = 40;
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
|
|
init_fail:
|
|
kfree(priv);
|
|
return -1;
|
|
}
|
|
|
|
#else /* CONFIG_MOUSE_PS2_SYNAPTICS */
|
|
|
|
int synaptics_init(struct psmouse *psmouse)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
#endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
|
|
|