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OpenCloudOS-Kernel/drivers/input/mouse/synaptics.c

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Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
/*
* Synaptics TouchPad PS/2 mouse driver
*
* 2003 Dmitry Torokhov <dtor@mail.ru>
* Added support for pass-through port. Special thanks to Peter Berg Larsen
* for explaining various Synaptics quirks.
*
* 2003 Peter Osterlund <petero2@telia.com>
* Ported to 2.5 input device infrastructure.
*
* Copyright (C) 2001 Stefan Gmeiner <riddlebox@freesurf.ch>
* start merging tpconfig and gpm code to a xfree-input module
* adding some changes and extensions (ex. 3rd and 4th button)
*
* Copyright (c) 1997 C. Scott Ananian <cananian@alumni.priceton.edu>
* Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com>
* code for the special synaptics commands (from the tpconfig-source)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* Trademarks are the property of their respective owners.
*/
#include <linux/module.h>
#include <linux/input.h>
#include <linux/serio.h>
#include <linux/libps2.h>
#include "psmouse.h"
#include "synaptics.h"
/*
* The x/y limits are taken from the Synaptics TouchPad interfacing Guide,
* section 2.3.2, which says that they should be valid regardless of the
* actual size of the sensor.
*/
#define XMIN_NOMINAL 1472
#define XMAX_NOMINAL 5472
#define YMIN_NOMINAL 1408
#define YMAX_NOMINAL 4448
/*****************************************************************************
* Synaptics communications functions
****************************************************************************/
/*
* Send a command to the synpatics touchpad by special commands
*/
static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param)
{
if (psmouse_sliced_command(psmouse, c))
return -1;
if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO))
return -1;
return 0;
}
/*
* Set the synaptics touchpad mode byte by special commands
*/
static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode)
{
unsigned char param[1];
if (psmouse_sliced_command(psmouse, mode))
return -1;
param[0] = SYN_PS_SET_MODE2;
if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE))
return -1;
return 0;
}
/*
* Read the model-id bytes from the touchpad
* see also SYN_MODEL_* macros
*/
static int synaptics_model_id(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
unsigned char mi[3];
if (synaptics_send_cmd(psmouse, SYN_QUE_MODEL, mi))
return -1;
priv->model_id = (mi[0]<<16) | (mi[1]<<8) | mi[2];
return 0;
}
/*
* Read the capability-bits from the touchpad
* see also the SYN_CAP_* macros
*/
static int synaptics_capability(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
unsigned char cap[3];
if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap))
return -1;
priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2];
priv->ext_cap = 0;
if (!SYN_CAP_VALID(priv->capabilities))
return -1;
/*
* Unless capExtended is set the rest of the flags should be ignored
*/
if (!SYN_CAP_EXTENDED(priv->capabilities))
priv->capabilities = 0;
if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) {
if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) {
printk(KERN_ERR "Synaptics claims to have extended capabilities,"
" but I'm not able to read them.");
} else {
priv->ext_cap = (cap[0] << 16) | (cap[1] << 8) | cap[2];
/*
* if nExtBtn is greater than 8 it should be considered
* invalid and treated as 0
*/
if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 8)
priv->ext_cap &= 0xff0fff;
}
}
return 0;
}
/*
* Identify Touchpad
* See also the SYN_ID_* macros
*/
static int synaptics_identify(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
unsigned char id[3];
if (synaptics_send_cmd(psmouse, SYN_QUE_IDENTIFY, id))
return -1;
priv->identity = (id[0]<<16) | (id[1]<<8) | id[2];
if (SYN_ID_IS_SYNAPTICS(priv->identity))
return 0;
return -1;
}
static int synaptics_query_hardware(struct psmouse *psmouse)
{
int retries = 0;
while ((retries++ < 3) && psmouse_reset(psmouse))
printk(KERN_ERR "synaptics reset failed\n");
if (synaptics_identify(psmouse))
return -1;
if (synaptics_model_id(psmouse))
return -1;
if (synaptics_capability(psmouse))
return -1;
return 0;
}
static int synaptics_set_absolute_mode(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
priv->mode = SYN_BIT_ABSOLUTE_MODE;
if (SYN_ID_MAJOR(priv->identity) >= 4)
priv->mode |= SYN_BIT_DISABLE_GESTURE;
if (SYN_CAP_EXTENDED(priv->capabilities))
priv->mode |= SYN_BIT_W_MODE;
if (synaptics_mode_cmd(psmouse, priv->mode))
return -1;
return 0;
}
static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate)
{
struct synaptics_data *priv = psmouse->private;
if (rate >= 80) {
priv->mode |= SYN_BIT_HIGH_RATE;
psmouse->rate = 80;
} else {
priv->mode &= ~SYN_BIT_HIGH_RATE;
psmouse->rate = 40;
}
synaptics_mode_cmd(psmouse, priv->mode);
}
/*****************************************************************************
* Synaptics pass-through PS/2 port support
****************************************************************************/
static int synaptics_pt_write(struct serio *serio, unsigned char c)
{
struct psmouse *parent = serio_get_drvdata(serio->parent);
char rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */
if (psmouse_sliced_command(parent, c))
return -1;
if (ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE))
return -1;
return 0;
}
static inline int synaptics_is_pt_packet(unsigned char *buf)
{
return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4;
}
static void synaptics_pass_pt_packet(struct serio *ptport, unsigned char *packet)
{
struct psmouse *child = serio_get_drvdata(ptport);
if (child && child->state == PSMOUSE_ACTIVATED) {
IRQ: Maintain regs pointer globally rather than passing to IRQ handlers Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 21:55:46 +08:00
serio_interrupt(ptport, packet[1], 0);
serio_interrupt(ptport, packet[4], 0);
serio_interrupt(ptport, packet[5], 0);
Input: synaptics - fix setting packet size on passthrough port. Synaptics driver used child->type to select either 3-byte or 4-byte packet size for the pass-through port; this gives wrong results for the newer protocols. Change the check to use child->pktsize instead. Signed-off-by: Sergey Vlasov <vsu@altlinux.ru> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-07-24 13:53:32 +08:00
if (child->pktsize == 4)
IRQ: Maintain regs pointer globally rather than passing to IRQ handlers Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 21:55:46 +08:00
serio_interrupt(ptport, packet[2], 0);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
} else
IRQ: Maintain regs pointer globally rather than passing to IRQ handlers Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 21:55:46 +08:00
serio_interrupt(ptport, packet[1], 0);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
}
static void synaptics_pt_activate(struct psmouse *psmouse)
{
struct serio *ptport = psmouse->ps2dev.serio->child;
struct psmouse *child = serio_get_drvdata(ptport);
struct synaptics_data *priv = psmouse->private;
/* adjust the touchpad to child's choice of protocol */
if (child) {
Input: synaptics - fix setting packet size on passthrough port. Synaptics driver used child->type to select either 3-byte or 4-byte packet size for the pass-through port; this gives wrong results for the newer protocols. Change the check to use child->pktsize instead. Signed-off-by: Sergey Vlasov <vsu@altlinux.ru> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-07-24 13:53:32 +08:00
if (child->pktsize == 4)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT;
else
priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT;
if (synaptics_mode_cmd(psmouse, priv->mode))
printk(KERN_INFO "synaptics: failed to switch guest protocol\n");
}
}
static void synaptics_pt_create(struct psmouse *psmouse)
{
struct serio *serio;
Input: use kzalloc() throughout the code Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2006-03-14 13:09:16 +08:00
serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
if (!serio) {
printk(KERN_ERR "synaptics: not enough memory to allocate pass-through port\n");
return;
}
serio->id.type = SERIO_PS_PSTHRU;
strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name));
strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name));
serio->write = synaptics_pt_write;
serio->parent = psmouse->ps2dev.serio;
psmouse->pt_activate = synaptics_pt_activate;
printk(KERN_INFO "serio: %s port at %s\n", serio->name, psmouse->phys);
serio_register_port(serio);
}
/*****************************************************************************
* Functions to interpret the absolute mode packets
****************************************************************************/
static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw)
{
memset(hw, 0, sizeof(struct synaptics_hw_state));
if (SYN_MODEL_NEWABS(priv->model_id)) {
hw->x = (((buf[3] & 0x10) << 8) |
((buf[1] & 0x0f) << 8) |
buf[4]);
hw->y = (((buf[3] & 0x20) << 7) |
((buf[1] & 0xf0) << 4) |
buf[5]);
hw->z = buf[2];
hw->w = (((buf[0] & 0x30) >> 2) |
((buf[0] & 0x04) >> 1) |
((buf[3] & 0x04) >> 2));
hw->left = (buf[0] & 0x01) ? 1 : 0;
hw->right = (buf[0] & 0x02) ? 1 : 0;
if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) {
hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
if (hw->w == 2)
hw->scroll = (signed char)(buf[1]);
}
if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) {
hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0;
}
if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) &&
((buf[0] ^ buf[3]) & 0x02)) {
switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) {
default:
/*
* if nExtBtn is greater than 8 it should be
* considered invalid and treated as 0
*/
break;
case 8:
hw->ext_buttons |= ((buf[5] & 0x08)) ? 0x80 : 0;
hw->ext_buttons |= ((buf[4] & 0x08)) ? 0x40 : 0;
case 6:
hw->ext_buttons |= ((buf[5] & 0x04)) ? 0x20 : 0;
hw->ext_buttons |= ((buf[4] & 0x04)) ? 0x10 : 0;
case 4:
hw->ext_buttons |= ((buf[5] & 0x02)) ? 0x08 : 0;
hw->ext_buttons |= ((buf[4] & 0x02)) ? 0x04 : 0;
case 2:
hw->ext_buttons |= ((buf[5] & 0x01)) ? 0x02 : 0;
hw->ext_buttons |= ((buf[4] & 0x01)) ? 0x01 : 0;
}
}
} else {
hw->x = (((buf[1] & 0x1f) << 8) | buf[2]);
hw->y = (((buf[4] & 0x1f) << 8) | buf[5]);
hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F));
hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1));
hw->left = (buf[0] & 0x01) ? 1 : 0;
hw->right = (buf[0] & 0x02) ? 1 : 0;
}
}
/*
* called for each full received packet from the touchpad
*/
static void synaptics_process_packet(struct psmouse *psmouse)
{
[PATCH] drivers/input/mouse: convert to dynamic input_dev allocation Input: convert drivers/input/mouse to dynamic input_dev allocation This is required for input_dev sysfs integration Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-15 15:01:44 +08:00
struct input_dev *dev = psmouse->dev;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
struct synaptics_data *priv = psmouse->private;
struct synaptics_hw_state hw;
int num_fingers;
int finger_width;
int i;
synaptics_parse_hw_state(psmouse->packet, priv, &hw);
if (hw.scroll) {
priv->scroll += hw.scroll;
while (priv->scroll >= 4) {
input_report_key(dev, BTN_BACK, !hw.down);
input_sync(dev);
input_report_key(dev, BTN_BACK, hw.down);
input_sync(dev);
priv->scroll -= 4;
}
while (priv->scroll <= -4) {
input_report_key(dev, BTN_FORWARD, !hw.up);
input_sync(dev);
input_report_key(dev, BTN_FORWARD, hw.up);
input_sync(dev);
priv->scroll += 4;
}
return;
}
if (hw.z > 0) {
num_fingers = 1;
finger_width = 5;
if (SYN_CAP_EXTENDED(priv->capabilities)) {
switch (hw.w) {
case 0 ... 1:
if (SYN_CAP_MULTIFINGER(priv->capabilities))
num_fingers = hw.w + 2;
break;
case 2:
if (SYN_MODEL_PEN(priv->model_id))
; /* Nothing, treat a pen as a single finger */
break;
case 4 ... 15:
if (SYN_CAP_PALMDETECT(priv->capabilities))
finger_width = hw.w;
break;
}
}
} else {
num_fingers = 0;
finger_width = 0;
}
/* Post events
* BTN_TOUCH has to be first as mousedev relies on it when doing
* absolute -> relative conversion
*/
if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1);
if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0);
if (hw.z > 0) {
input_report_abs(dev, ABS_X, hw.x);
input_report_abs(dev, ABS_Y, YMAX_NOMINAL + YMIN_NOMINAL - hw.y);
}
input_report_abs(dev, ABS_PRESSURE, hw.z);
input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1);
input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3);
input_report_key(dev, BTN_LEFT, hw.left);
input_report_key(dev, BTN_RIGHT, hw.right);
if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
input_report_key(dev, BTN_MIDDLE, hw.middle);
if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) {
input_report_key(dev, BTN_FORWARD, hw.up);
input_report_key(dev, BTN_BACK, hw.down);
}
for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
input_report_key(dev, BTN_0 + i, hw.ext_buttons & (1 << i));
input_sync(dev);
}
static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned char pkt_type)
{
Input: constify psmouse driver Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2006-09-11 09:54:39 +08:00
static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 };
static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 };
static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 };
static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 };
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
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;
}
IRQ: Maintain regs pointer globally rather than passing to IRQ handlers Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 21:55:46 +08:00
static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
{
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);
}
void synaptics_reset(struct psmouse *psmouse)
{
/* reset touchpad back to relative mode, gestures enabled */
synaptics_mode_cmd(psmouse, 0);
}
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;
}
int synaptics_detect(struct psmouse *psmouse, int set_properties)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[4];
param[0] = 0;
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
if (param[1] != 0x47)
return -1;
if (set_properties) {
psmouse->vendor = "Synaptics";
psmouse->name = "TouchPad";
}
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"),
Input: synaptics - limit rate to 40pps on Toshiba Protege M300 Toshiba Protege M300 also requires the same workaround as Satellites and Dynabooks - Synaptics report rate should be lowered to 40pps (from 80), otherwise KBC starts losing keypresses. Signed-off-by: Richard Thrippleton <ret28@cam.ac.uk> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2006-04-02 13:10:18 +08:00
DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"),
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
},
},
Input: synaptics - limit rate to 40pps on Toshiba Dynabooks Toshiba Dynabooks require the same workaround as Satellites - Synaptics report rate should be lowered to 40pps (from 80), otherwise KBC starts losing keypresses. Signed-off-by: Simon Horman <horms@valinux.co.jp> Signed-off-by: Vojtech Pavlik <vojtech@suse.cz> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-07-11 14:07:20 +08:00
{
.ident = "Toshiba Dynabook",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
Input: synaptics - limit rate to 40pps on Toshiba Protege M300 Toshiba Protege M300 also requires the same workaround as Satellites and Dynabooks - Synaptics report rate should be lowered to 40pps (from 80), otherwise KBC starts losing keypresses. Signed-off-by: Richard Thrippleton <ret28@cam.ac.uk> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2006-04-02 13:10:18 +08:00
DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"),
},
},
{
.ident = "Toshiba Portege M300",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"),
Input: synaptics - limit rate to 40pps on Toshiba Dynabooks Toshiba Dynabooks require the same workaround as Satellites - Synaptics report rate should be lowered to 40pps (from 80), otherwise KBC starts losing keypresses. Signed-off-by: Simon Horman <horms@valinux.co.jp> Signed-off-by: Vojtech Pavlik <vojtech@suse.cz> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-07-11 14:07:20 +08:00
},
},
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
{ }
};
#endif
int synaptics_init(struct psmouse *psmouse)
{
struct synaptics_data *priv;
Input: use kzalloc() throughout the code Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2006-03-14 13:09:16 +08:00
psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
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;
Input: synaptics - reduce verboseness of synaptics driver - there is no reason one driver should take 10 lines in dmesg. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-05-28 15:12:18 +08:00
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);
[PATCH] drivers/input/mouse: convert to dynamic input_dev allocation Input: convert drivers/input/mouse to dynamic input_dev allocation This is required for input_dev sysfs integration Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-15 15:01:44 +08:00
set_input_params(psmouse->dev, priv);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
psmouse->protocol_handler = synaptics_process_byte;
psmouse->set_rate = synaptics_set_rate;
psmouse->disconnect = synaptics_disconnect;
psmouse->reconnect = synaptics_reconnect;
psmouse->pktsize = 6;
Input: psmouse - attempt to re-synchronize mouse every 5 seconds This should help driver to deal vith KVMs that reset mice when switching between boxes. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2006-01-14 13:27:37 +08:00
/* Synaptics can usually stay in sync without extra help */
psmouse->resync_time = 0;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
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)) {
Input: synaptics - limit rate to 40pps on Toshiba Dynabooks Toshiba Dynabooks require the same workaround as Satellites - Synaptics report rate should be lowered to 40pps (from 80), otherwise KBC starts losing keypresses. Signed-off-by: Simon Horman <horms@valinux.co.jp> Signed-off-by: Vojtech Pavlik <vojtech@suse.cz> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-07-11 14:07:20 +08:00
printk(KERN_INFO "synaptics: Toshiba %s detected, limiting rate to 40pps.\n",
dmi_get_system_info(DMI_PRODUCT_NAME));
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
psmouse->rate = 40;
}
#endif
return 0;
init_fail:
kfree(priv);
return -1;
}