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Commit 1e12aaf0 authored by Vojtech Pavlik's avatar Vojtech Pavlik
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Merge suse.cz:/home/vojtech/bk/linus 

into suse.cz:/home/vojtech/bk/for-linus
parents 7b0f9236 56b3ffec
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Showing with 1355 additions and 1188 deletions
Documentation/kernel-parameters.txt
View file @ 1e12aaf0
......@@ -896,8 +896,8 @@ running once the system is up.
psmouse.rate= [HW,MOUSE] Set desired mouse report rate, in reports
per second.
psmouse.resetafter=
[HW,MOUSE] Try to reset Synaptics Touchpad after so many
bad packets (0 = never).
[HW,MOUSE] Try to reset the device after so many bad packets
(0 = never).
psmouse.resolution=
[HW,MOUSE] Set desired mouse resolution, in dpi.
psmouse.smartscroll=
......
drivers/input/Kconfig
View file @ 1e12aaf0
......@@ -41,9 +41,16 @@ config INPUT_MOUSEDEV
module will be called mousedev.
config INPUT_MOUSEDEV_PSAUX
bool "Provide legacy /dev/psaux device" if EMBEDDED
bool "Provide legacy /dev/psaux device"
default y
depends on INPUT_MOUSEDEV
---help---
Say Y here if you want your mouse also be accessible as char device
10:1 - /dev/psaux. The data available through /dev/psaux is exactly
the same as the data from /dev/input/mice.
If unsure, say Y.
config INPUT_MOUSEDEV_SCREEN_X
int "Horizontal screen resolution"
......
drivers/input/evdev.c
View file @ 1e12aaf0
......@@ -126,7 +126,7 @@ static int evdev_open(struct inode * inode, struct file * file)
int i = iminor(inode) - EVDEV_MINOR_BASE;
int accept_err;
if (i >= EVDEV_MINORS || !evdev_table[i])
if (i >= EVDEV_MINORS || !evdev_table[i] || !evdev_table[i]->exist)
return -ENODEV;
if ((accept_err = input_accept_process(&(evdev_table[i]->handle), file)))
......@@ -175,7 +175,7 @@ static ssize_t evdev_read(struct file * file, char __user * buffer, size_t count
return -EAGAIN;
retval = wait_event_interruptible(list->evdev->wait,
list->head != list->tail && list->evdev->exist);
list->head != list->tail || (!list->evdev->exist));
if (retval)
return retval;
......
drivers/input/joystick/twidjoy.c
View file @ 1e12aaf0
......@@ -58,6 +58,9 @@
#include <linux/serio.h>
#include <linux/init.h>
MODULE_DESCRIPTION("Handykey Twiddler keyboard as a joystick driver");
MODULE_LICENSE("GPL");
/*
* Constants.
*/
......@@ -142,7 +145,7 @@ static void twidjoy_process_packet(struct twidjoy *twidjoy, struct pt_regs *regs
* packet processing routine.
*/
static void twidjoy_interrupt(struct serio *serio, unsigned char data, unsigned int flags, struc pt_regs *regs)
static irqreturn_t twidjoy_interrupt(struct serio *serio, unsigned char data, unsigned int flags, struct pt_regs *regs)
{
struct twidjoy *twidjoy = serio->private;
......@@ -153,7 +156,7 @@ static void twidjoy_interrupt(struct serio *serio, unsigned char data, unsigned
if ((data & 0x80) == 0)
twidjoy->idx = 0; /* this byte starts a new packet */
else if (twidjoy->idx == 0)
return; /* wrong MSB -- ignore this byte */
return IRQ_HANDLED; /* wrong MSB -- ignore this byte */
if (twidjoy->idx < TWIDJOY_MAX_LENGTH)
twidjoy->data[twidjoy->idx++] = data;
......@@ -163,7 +166,7 @@ static void twidjoy_interrupt(struct serio *serio, unsigned char data, unsigned
twidjoy->idx = 0;
}
return;
return IRQ_HANDLED;
}
/*
......
drivers/input/keyboard/98kbd.c
View file @ 1e12aaf0
......@@ -109,7 +109,7 @@ struct kbd98 {
struct jis_kbd_conv jis[16];
};
void kbd98_interrupt(struct serio *serio, unsigned char data,
irqreturn_t kbd98_interrupt(struct serio *serio, unsigned char data,
unsigned int flags, struct pt_regs *regs)
{
struct kbd98 *kbd98 = serio->private;
......@@ -119,15 +119,15 @@ void kbd98_interrupt(struct serio *serio, unsigned char data,
switch (data) {
case KBD98_RET_ACK:
kbd98->ack = 1;
return;
goto out;
case KBD98_RET_NAK:
kbd98->ack = -1;
return;
goto out;
}
if (kbd98->cmdcnt) {
kbd98->cmdbuf[--kbd98->cmdcnt] = data;
return;
goto out;
}
scancode = data & KBD98_KEY;
......@@ -164,7 +164,7 @@ void kbd98_interrupt(struct serio *serio, unsigned char data,
keycode = kbd98->jis[i].emul[kbd98->shift].keycode;
if (keycode == KBD98_KEY_NULL)
return;
break;
if (press) {
kbd98->emul.scancode = scancode;
......@@ -187,27 +187,31 @@ void kbd98_interrupt(struct serio *serio, unsigned char data,
}
input_sync(&kbd98->dev);
return;
break;
case KEY_CAPSLOCK:
input_report_key(&kbd98->dev, keycode, 1);
input_sync(&kbd98->dev);
input_report_key(&kbd98->dev, keycode, 0);
input_sync(&kbd98->dev);
return;
break;
case KBD98_KEY_NULL:
return;
break;
case 0:
printk(KERN_WARNING "kbd98.c: Unknown key (scancode %#x) %s.\n",
data & KBD98_KEY, data & KBD98_RELEASE ? "released" : "pressed");
return;
break;
default:
input_report_key(&kbd98->dev, keycode, press);
input_sync(&kbd98->dev);
break;
}
out:
return IRQ_HANDLED;
}
/*
......
drivers/input/keyboard/atkbd.c
View file @ 1e12aaf0
......@@ -26,7 +26,6 @@
#include <linux/input.h>
#include <linux/serio.h>
#include <linux/workqueue.h>
#include <linux/timer.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("AT and PS/2 keyboard driver");
......@@ -173,22 +172,24 @@ struct atkbd {
unsigned char keycode[512];
struct input_dev dev;
struct serio *serio;
struct timer_list timer;
char name[64];
char phys[32];
unsigned short id;
unsigned char set;
unsigned int translated:1;
unsigned int extra:1;
unsigned int write:1;
unsigned char cmdbuf[4];
unsigned char cmdcnt;
unsigned char set;
unsigned char extra;
unsigned char release;
int lastkey;
volatile signed char ack;
unsigned char emul;
unsigned short id;
unsigned char write;
unsigned char translated;
unsigned char resend;
unsigned char bat_xl;
unsigned int resend:1;
unsigned int release:1;
unsigned int bat_xl:1;
unsigned int enabled:1;
unsigned int last;
unsigned long time;
};
......@@ -248,6 +249,9 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
goto out;
}
if (!atkbd->enabled)
goto out;
if (atkbd->translated) {
if (atkbd->emul ||
......@@ -300,15 +304,20 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
case ATKBD_KEY_NULL:
break;
case ATKBD_KEY_UNKNOWN:
printk(KERN_WARNING "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n",
if (data == ATKBD_RET_ACK || data == ATKBD_RET_NAK) {
printk(KERN_WARNING "atkbd.c: Spurious %s on %s. Some program, "
"like XFree86, might be trying access hardware directly.\n",
data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
} else {
printk(KERN_WARNING "atkbd.c: Unknown key %s "
"(%s set %d, code %#x on %s).\n",
atkbd->release ? "released" : "pressed",
atkbd->translated ? "translated" : "raw",
atkbd->set, code, serio->phys);
if (atkbd->translated && atkbd->set == 2 && code == 0x7a)
printk(KERN_WARNING "atkbd.c: This is an XFree86 bug. It shouldn't access"
" hardware directly.\n");
else
printk(KERN_WARNING "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n", code & 0x80 ? "e0" : "", code & 0x7f);
printk(KERN_WARNING "atkbd.c: Use 'setkeycodes %s%02x <keycode>' "
"to make it known.\n",
code & 0x80 ? "e0" : "", code & 0x7f);
}
break;
case ATKBD_SCR_1:
scroll = 1 - atkbd->release * 2;
......@@ -745,6 +754,8 @@ static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
atkbd->id = 0xab00;
}
atkbd->enabled = 1;
if (atkbd->extra) {
atkbd->dev.ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) | BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC);
sprintf(atkbd->name, "AT Set 2 Extra keyboard");
......
drivers/input/mouse/logips2pp.c
View file @ 1e12aaf0
......@@ -14,6 +14,25 @@
#include "psmouse.h"
#include "logips2pp.h"
/* Logitech mouse types */
#define PS2PP_KIND_WHEEL 1
#define PS2PP_KIND_MX 2
#define PS2PP_KIND_TP3 3
/* Logitech mouse features */
#define PS2PP_WHEEL 0x01
#define PS2PP_HWHEEL 0x02
#define PS2PP_SIDE_BTN 0x04
#define PS2PP_EXTRA_BTN 0x08
#define PS2PP_TASK_BTN 0x10
#define PS2PP_NAV_BTN 0x20
struct ps2pp_info {
const int model;
unsigned const int kind;
unsigned const int features;
};
/*
* Process a PS2++ or PS2T++ packet.
*/
......@@ -63,7 +82,6 @@ void ps2pp_process_packet(struct psmouse *psmouse)
packet[0] &= 0x0f;
packet[1] = 0;
packet[2] = 0;
}
}
......@@ -76,18 +94,9 @@ void ps2pp_process_packet(struct psmouse *psmouse)
static int ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned char command)
{
unsigned char d;
int i;
if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
if (psmouse_sliced_command(psmouse, command))
return -1;
for (i = 6; i >= 0; i -= 2) {
d = (command >> i) & 3;
if(psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
return -1;
}
if (psmouse_command(psmouse, param, PSMOUSE_CMD_POLL))
return -1;
......@@ -113,14 +122,11 @@ static void ps2pp_set_smartscroll(struct psmouse *psmouse)
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
if (psmouse_smartscroll == 1)
param[0] = 1;
else
if (psmouse_smartscroll > 2)
return;
/* else leave param[0] == 0 to disable */
if (psmouse_smartscroll < 2) {
/* 0 - disabled, 1 - enabled */
param[0] = psmouse_smartscroll;
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
}
}
/*
......@@ -138,133 +144,167 @@ void ps2pp_set_800dpi(struct psmouse *psmouse)
psmouse_command(psmouse, &param, PSMOUSE_CMD_SETRES);
}
/*
* Detect the exact model and features of a PS2++ or PS2T++ Logitech mouse or
* touchpad.
*/
static int ps2pp_detect_model(struct psmouse *psmouse, unsigned char *param)
static struct ps2pp_info *get_model_info(unsigned char model)
{
int i;
static struct _logips2_list {
const int model;
unsigned const int features;
} logips2pp_list [] = {
{ 12, PS2PP_4BTN},
{ 13, 0 },
{ 40, PS2PP_4BTN },
{ 41, PS2PP_4BTN },
{ 42, PS2PP_4BTN },
{ 43, PS2PP_4BTN },
{ 50, 0 },
{ 51, 0 },
{ 52, PS2PP_4BTN | PS2PP_WHEEL },
{ 53, PS2PP_WHEEL },
{ 61, PS2PP_WHEEL | PS2PP_MX }, /* MX700 */
{ 73, PS2PP_4BTN },
{ 75, PS2PP_WHEEL },
{ 76, PS2PP_WHEEL },
{ 80, PS2PP_4BTN | PS2PP_WHEEL },
{ 81, PS2PP_WHEEL },
{ 83, PS2PP_WHEEL },
{ 88, PS2PP_WHEEL },
{ 96, 0 },
{ 97, 0 },
{ 100 , PS2PP_WHEEL | PS2PP_MX }, /* MX510 */
{ 112 , PS2PP_WHEEL | PS2PP_MX }, /* MX500 */
{ 114 , PS2PP_WHEEL | PS2PP_MX | PS2PP_MX310 }, /* MX310 */
static struct ps2pp_info ps2pp_list[] = {
{ 12, 0, PS2PP_SIDE_BTN},
{ 13, 0, 0 },
{ 40, 0, PS2PP_SIDE_BTN },
{ 41, 0, PS2PP_SIDE_BTN },
{ 42, 0, PS2PP_SIDE_BTN },
{ 43, 0, PS2PP_SIDE_BTN },
{ 50, 0, 0 },
{ 51, 0, 0 },
{ 52, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL },
{ 53, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
{ 61, PS2PP_KIND_MX,
PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, /* MX700 */
{ 73, 0, PS2PP_SIDE_BTN },
{ 75, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
{ 76, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
{ 80, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL },
{ 81, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
{ 83, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
{ 88, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
{ 96, 0, 0 },
{ 97, PS2PP_KIND_TP3, PS2PP_WHEEL | PS2PP_HWHEEL },
{ 100, PS2PP_KIND_MX,
PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, /* MX510 */
{ 112, PS2PP_KIND_MX,
PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, /* MX500 */
{ 114, PS2PP_KIND_MX,
PS2PP_WHEEL | PS2PP_SIDE_BTN |
PS2PP_TASK_BTN | PS2PP_EXTRA_BTN }, /* M310 */
{ }
};
int i;
psmouse->vendor = "Logitech";
psmouse->model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
if (param[1] < 3)
clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
if (param[1] < 2)
clear_bit(BTN_RIGHT, psmouse->dev.keybit);
for (i = 0; ps2pp_list[i].model; i++)
if (model == ps2pp_list[i].model)
return &ps2pp_list[i];
return NULL;
}
psmouse->type = PSMOUSE_PS2;
/*
* Set up input device's properties based on the detected mouse model.
*/
for (i = 0; logips2pp_list[i].model; i++){
if (logips2pp_list[i].model == psmouse->model){
psmouse->type = PSMOUSE_PS2PP;
if (logips2pp_list[i].features & PS2PP_4BTN)
static void ps2pp_set_model_properties(struct psmouse *psmouse, struct ps2pp_info *model_info)
{
if (model_info->features & PS2PP_SIDE_BTN)
set_bit(BTN_SIDE, psmouse->dev.keybit);
if (logips2pp_list[i].features & PS2PP_WHEEL){
set_bit(REL_WHEEL, psmouse->dev.relbit);
psmouse->name = "Wheel Mouse";
}
if (logips2pp_list[i].features & PS2PP_MX) {
set_bit(BTN_SIDE, psmouse->dev.keybit);
if (model_info->features & PS2PP_EXTRA_BTN)
set_bit(BTN_EXTRA, psmouse->dev.keybit);
if (model_info->features & PS2PP_TASK_BTN)
set_bit(BTN_TASK, psmouse->dev.keybit);
if (!(logips2pp_list[i].features & PS2PP_MX310)){
set_bit(BTN_BACK, psmouse->dev.keybit);
if (model_info->features & PS2PP_NAV_BTN) {
set_bit(BTN_FORWARD, psmouse->dev.keybit);
set_bit(BTN_BACK, psmouse->dev.keybit);
}
if (model_info->features & PS2PP_WHEEL)
set_bit(REL_WHEEL, psmouse->dev.relbit);
if (model_info->features & PS2PP_HWHEEL)
set_bit(REL_HWHEEL, psmouse->dev.relbit);
switch (model_info->kind) {
case PS2PP_KIND_WHEEL:
psmouse->name = "Wheel Mouse";
break;
case PS2PP_KIND_MX:
psmouse->name = "MX Mouse";
}
break;
case PS2PP_KIND_TP3:
psmouse->name = "TouchPad 3";
break;
}
}
}
/*
* Do Logitech PS2++ / PS2T++ magic init.
* Logitech magic init. Detect whether the mouse is a Logitech one
* and its exact model and try turning on extended protocol for ones
* that support it.
*/
if (psmouse->type == PSMOUSE_PS2PP) {
if (psmouse->model == 97) { /* TouchPad 3 */
int ps2pp_init(struct psmouse *psmouse, int set_properties)
{
unsigned char param[4];
unsigned char protocol = PSMOUSE_PS2;
unsigned char model, buttons;
struct ps2pp_info *model_info;
set_bit(REL_WHEEL, psmouse->dev.relbit);
set_bit(REL_HWHEEL, psmouse->dev.relbit);
param[0] = 0;
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
param[1] = 0;
psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
if (param[1] != 0) {
model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
buttons = param[1];
model_info = get_model_info(model);
param[0] = 0x11; param[1] = 0x04; param[2] = 0x68; /* Unprotect RAM */
/*
* Do Logitech PS2++ / PS2T++ magic init.
*/
if (model == 97) { /* Touch Pad 3 */
/* Unprotect RAM */
param[0] = 0x11; param[1] = 0x04; param[2] = 0x68;
psmouse_command(psmouse, param, 0x30d1);
param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b; /* Enable features */
/* Enable features */
param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b;
psmouse_command(psmouse, param, 0x30d1);
param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3; /* Enable PS2++ */
/* Enable PS2++ */
param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3;
psmouse_command(psmouse, param, 0x30d1);
param[0] = 0;
if (!psmouse_command(psmouse, param, 0x13d1) &&
param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) {
psmouse->name = "TouchPad 3";
return PSMOUSE_PS2TPP;
protocol = PSMOUSE_PS2TPP;
}
} else {
} else if (get_model_info(model) != NULL) {
param[0] = param[1] = param[2] = 0;
ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
ps2pp_cmd(psmouse, param, 0xDB);
if ((param[0] & 0x78) == 0x48 && (param[1] & 0xf3) == 0xc2 &&
(param[2] & 3) == ((param[1] >> 2) & 3)) {
if ((param[0] & 0x78) == 0x48 &&
(param[1] & 0xf3) == 0xc2 &&
(param[2] & 0x03) == ((param[1] >> 2) & 3)) {
ps2pp_set_smartscroll(psmouse);
return PSMOUSE_PS2PP;
}
protocol = PSMOUSE_PS2PP;
}
}
return 0;
}
if (set_properties) {
psmouse->vendor = "Logitech";
psmouse->model = model;
/*
* Logitech magic init.
*/
int ps2pp_detect(struct psmouse *psmouse)
{
unsigned char param[4];
if (buttons < 3)
clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
if (buttons < 2)
clear_bit(BTN_RIGHT, psmouse->dev.keybit);
param[0] = 0;
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
param[1] = 0;
psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
if (model_info)
ps2pp_set_model_properties(psmouse, model_info);
}
}
return param[1] != 0 ? ps2pp_detect_model(psmouse, param) : 0;
return protocol;
}
drivers/input/mouse/logips2pp.h
View file @ 1e12aaf0
......@@ -11,13 +11,8 @@
#ifndef _LOGIPS2PP_H
#define _LOGIPS2PP_H
#define PS2PP_4BTN 0x01
#define PS2PP_WHEEL 0x02
#define PS2PP_MX 0x04
#define PS2PP_MX310 0x08
struct psmouse;
void ps2pp_process_packet(struct psmouse *psmouse);
void ps2pp_set_800dpi(struct psmouse *psmouse);
int ps2pp_detect(struct psmouse *psmouse);
int ps2pp_init(struct psmouse *psmouse, int set_properties);
#endif
drivers/input/mouse/psmouse-base.c
View file @ 1e12aaf0
......@@ -43,9 +43,9 @@ int psmouse_smartscroll = 1;
module_param_named(smartscroll, psmouse_smartscroll, bool, 0);
MODULE_PARM_DESC(smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled.");
unsigned int psmouse_resetafter;
static unsigned int psmouse_resetafter;
module_param_named(resetafter, psmouse_resetafter, uint, 0);
MODULE_PARM_DESC(resetafter, "Reset Synaptics Touchpad after so many bad packets (0 = never).");
MODULE_PARM_DESC(resetafter, "Reset device after so many bad packets (0 = never).");
__obsolete_setup("psmouse_noext");
__obsolete_setup("psmouse_resolution=");
......@@ -56,15 +56,22 @@ __obsolete_setup("psmouse_rate=");
static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2"};
/*
* psmouse_process_packet() analyzes the PS/2 mouse packet contents and
* reports relevant events to the input module.
* psmouse_process_byte() analyzes the PS/2 data stream and reports
* relevant events to the input module once full packet has arrived.
*/
static void psmouse_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
{
struct input_dev *dev = &psmouse->dev;
unsigned char *packet = psmouse->packet;
if (psmouse->pktcnt < 3 + (psmouse->type >= PSMOUSE_GENPS))
return PSMOUSE_GOOD_DATA;
/*
* Full packet accumulated, process it
*/
input_regs(dev, regs);
/*
......@@ -112,6 +119,8 @@ static void psmouse_process_packet(struct psmouse *psmouse, struct pt_regs *regs
input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
input_sync(dev);
return PSMOUSE_FULL_PACKET;
}
/*
......@@ -123,6 +132,7 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
unsigned char data, unsigned int flags, struct pt_regs *regs)
{
struct psmouse *psmouse = serio->private;
psmouse_ret_t rc;
if (psmouse->state == PSMOUSE_IGNORE)
goto out;
......@@ -180,7 +190,7 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
if (psmouse->pktcnt == 2) {
if (psmouse->packet[1] == PSMOUSE_RET_ID) {
psmouse->state = PSMOUSE_IGNORE;
serio_rescan(serio);
serio_reconnect(serio);
goto out;
}
if (psmouse->type == PSMOUSE_SYNAPTICS) {
......@@ -193,19 +203,32 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
}
}
if (psmouse->type == PSMOUSE_SYNAPTICS) {
/*
* The synaptics driver has its own resync logic,
* so it needs to receive all bytes one at a time.
*/
synaptics_process_byte(psmouse, regs);
goto out;
rc = psmouse->protocol_handler(psmouse, regs);
switch (rc) {
case PSMOUSE_BAD_DATA:
printk(KERN_WARNING "psmouse.c: %s at %s lost sync at byte %d\n",
psmouse->name, psmouse->phys, psmouse->pktcnt);
psmouse->pktcnt = 0;
if (++psmouse->out_of_sync == psmouse_resetafter) {
psmouse->state = PSMOUSE_IGNORE;
printk(KERN_NOTICE "psmouse.c: issuing reconnect request\n");
serio_reconnect(psmouse->serio);
}
break;
if (psmouse->pktcnt == 3 + (psmouse->type >= PSMOUSE_GENPS)) {
psmouse_process_packet(psmouse, regs);
case PSMOUSE_FULL_PACKET:
psmouse->pktcnt = 0;
goto out;
if (psmouse->out_of_sync) {
psmouse->out_of_sync = 0;
printk(KERN_NOTICE "psmouse.c: %s at %s - driver resynched.\n",
psmouse->name, psmouse->phys);
}
break;
case PSMOUSE_GOOD_DATA:
break;
}
out:
return IRQ_HANDLED;
......@@ -288,6 +311,30 @@ int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command)
}
/*
* psmouse_sliced_command() sends an extended PS/2 command to the mouse
* using sliced syntax, understood by advanced devices, such as Logitech
* or Synaptics touchpads. The command is encoded as:
* 0xE6 0xE8 rr 0xE8 ss 0xE8 tt 0xE8 uu where (rr*64)+(ss*16)+(tt*4)+uu
* is the command.
*/
int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command)
{
int i;
if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
return -1;
for (i = 6; i >= 0; i -= 2) {
unsigned char d = (command >> i) & 3;
if (psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
return -1;
}
return 0;
}
/*
* psmouse_reset() resets the mouse into power-on state.
*/
......@@ -363,31 +410,31 @@ static int im_explorer_detect(struct psmouse *psmouse)
* the mouse may have.
*/
static int psmouse_extensions(struct psmouse *psmouse)
static int psmouse_extensions(struct psmouse *psmouse,
unsigned int max_proto, int set_properties)
{
int synaptics_hardware = 0;
psmouse->vendor = "Generic";
psmouse->name = "Mouse";
psmouse->model = 0;
/*
* Try Synaptics TouchPad
*/
if (psmouse_max_proto > PSMOUSE_PS2 && synaptics_detect(psmouse)) {
if (max_proto > PSMOUSE_PS2 && synaptics_detect(psmouse)) {
synaptics_hardware = 1;
if (set_properties) {
psmouse->vendor = "Synaptics";
psmouse->name = "TouchPad";
}
if (psmouse_max_proto > PSMOUSE_IMEX) {
if (synaptics_init(psmouse) == 0)
if (max_proto > PSMOUSE_IMEX) {
if (!set_properties || synaptics_init(psmouse) == 0)
return PSMOUSE_SYNAPTICS;
/*
* Some Synaptics touchpads can emulate extended protocols (like IMPS/2).
* Unfortunately Logitech/Genius probes confuse some firmware versions so
* we'll have to skip them.
*/
psmouse_max_proto = PSMOUSE_IMEX;
max_proto = PSMOUSE_IMEX;
}
/*
* Make sure that touchpad is in relative mode, gestures (taps) are enabled
......@@ -395,35 +442,46 @@ static int psmouse_extensions(struct psmouse *psmouse)
synaptics_reset(psmouse);
}
if (psmouse_max_proto > PSMOUSE_IMEX && genius_detect(psmouse)) {
if (max_proto > PSMOUSE_IMEX && genius_detect(psmouse)) {
if (set_properties) {
set_bit(BTN_EXTRA, psmouse->dev.keybit);
set_bit(BTN_SIDE, psmouse->dev.keybit);
set_bit(REL_WHEEL, psmouse->dev.relbit);
psmouse->vendor = "Genius";
psmouse->name = "Wheel Mouse";
}
return PSMOUSE_GENPS;
}
if (psmouse_max_proto > PSMOUSE_IMEX) {
int type = ps2pp_detect(psmouse);
if (type)
if (max_proto > PSMOUSE_IMEX) {
int type = ps2pp_init(psmouse, set_properties);
if (type > PSMOUSE_PS2)
return type;
}
if (psmouse_max_proto >= PSMOUSE_IMPS && intellimouse_detect(psmouse)) {
set_bit(REL_WHEEL, psmouse->dev.relbit);
if (max_proto >= PSMOUSE_IMEX && im_explorer_detect(psmouse)) {
if (psmouse_max_proto >= PSMOUSE_IMEX &&
im_explorer_detect(psmouse)) {
if (set_properties) {
set_bit(REL_WHEEL, psmouse->dev.relbit);
set_bit(BTN_SIDE, psmouse->dev.keybit);
set_bit(BTN_EXTRA, psmouse->dev.keybit);
if (!psmouse->name)
psmouse->name = "Explorer Mouse";
}
return PSMOUSE_IMEX;
}
if (max_proto >= PSMOUSE_IMPS && intellimouse_detect(psmouse)) {
if (set_properties) {
set_bit(REL_WHEEL, psmouse->dev.relbit);
if (!psmouse->name)
psmouse->name = "Wheel Mouse";
}
return PSMOUSE_IMPS;
}
......@@ -473,12 +531,7 @@ static int psmouse_probe(struct psmouse *psmouse)
if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_RESET_DIS))
printk(KERN_WARNING "psmouse.c: Failed to reset mouse on %s\n", psmouse->serio->phys);
/*
* And here we try to determine if it has any extensions over the
* basic PS/2 3-button mouse.
*/
return psmouse->type = psmouse_extensions(psmouse);
return 0;
}
/*
......@@ -616,7 +669,6 @@ static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
psmouse->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
psmouse->dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
psmouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y);
psmouse->state = PSMOUSE_CMD_MODE;
psmouse->serio = serio;
psmouse->dev.private = psmouse;
......@@ -628,13 +680,21 @@ static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
return;
}
if (psmouse_probe(psmouse) <= 0) {
if (psmouse_probe(psmouse) < 0) {
serio_close(serio);
kfree(psmouse);
serio->private = NULL;
return;
}
psmouse->type = psmouse_extensions(psmouse, psmouse_max_proto, 1);
if (!psmouse->vendor)
psmouse->vendor = "Generic";
if (!psmouse->name)
psmouse->name = "Mouse";
if (!psmouse->protocol_handler)
psmouse->protocol_handler = psmouse_process_byte;
sprintf(psmouse->devname, "%s %s %s",
psmouse_protocols[psmouse->type], psmouse->vendor, psmouse->name);
sprintf(psmouse->phys, "%s/input0",
......@@ -668,27 +728,24 @@ static int psmouse_reconnect(struct serio *serio)
{
struct psmouse *psmouse = serio->private;
struct serio_dev *dev = serio->dev;
int old_type;
if (!dev || !psmouse) {
printk(KERN_DEBUG "psmouse: reconnect request, but serio is disconnected, ignoring...\n");
return -1;
}
old_type = psmouse->type;
psmouse->state = PSMOUSE_CMD_MODE;
psmouse->type = psmouse->acking = psmouse->cmdcnt = psmouse->pktcnt = 0;
psmouse->acking = psmouse->cmdcnt = psmouse->pktcnt = psmouse->out_of_sync = 0;
if (psmouse->reconnect) {
if (psmouse->reconnect(psmouse))
return -1;
} else if (psmouse_probe(psmouse) != old_type)
} else if (psmouse_probe(psmouse) < 0 ||
psmouse->type != psmouse_extensions(psmouse, psmouse_max_proto, 0))
return -1;
/* ok, the device type (and capabilities) match the old one,
* we can continue using it, complete intialization
*/
psmouse->type = old_type;
psmouse_initialize(psmouse);
if (psmouse->ptport) {
......
drivers/input/mouse/psmouse.h
View file @ 1e12aaf0
......@@ -22,6 +22,13 @@
#define PSMOUSE_ACTIVATED 1
#define PSMOUSE_IGNORE 2
/* psmouse protocol handler return codes */
typedef enum {
PSMOUSE_BAD_DATA,
PSMOUSE_GOOD_DATA,
PSMOUSE_FULL_PACKET
} psmouse_ret_t;
struct psmouse;
struct psmouse_ptport {
......@@ -45,6 +52,7 @@ struct psmouse {
unsigned char type;
unsigned char model;
unsigned long last;
unsigned long out_of_sync;
unsigned char state;
char acking;
volatile char ack;
......@@ -52,6 +60,7 @@ struct psmouse {
char devname[64];
char phys[32];
psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse, struct pt_regs *regs);
int (*reconnect)(struct psmouse *psmouse);
void (*disconnect)(struct psmouse *psmouse);
};
......@@ -65,10 +74,10 @@ struct psmouse {
#define PSMOUSE_SYNAPTICS 7
int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command);
int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
int psmouse_reset(struct psmouse *psmouse);
extern int psmouse_smartscroll;
extern unsigned int psmouse_rate;
extern unsigned int psmouse_resetafter;
#endif /* _PSMOUSE_H */
drivers/input/mouse/synaptics.c
View file @ 1e12aaf0
......@@ -43,34 +43,12 @@
* Synaptics communications functions
****************************************************************************/
/*
* Use the Synaptics extended ps/2 syntax to write a special command byte.
* special command: 0xE8 rr 0xE8 ss 0xE8 tt 0xE8 uu where (rr*64)+(ss*16)+(tt*4)+uu
* is the command. A 0xF3 or 0xE9 must follow (see synaptics_send_cmd
* and synaptics_mode_cmd)
*/
static int synaptics_special_cmd(struct psmouse *psmouse, unsigned char command)
{
int i;
if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
return -1;
for (i = 6; i >= 0; i -= 2) {
unsigned char d = (command >> i) & 3;
if (psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
return -1;
}
return 0;
}
/*
* 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 (synaptics_special_cmd(psmouse, c))
if (psmouse_sliced_command(psmouse, c))
return -1;
if (psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO))
return -1;
......@@ -84,7 +62,7 @@ static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode)
{
unsigned char param[1];
if (synaptics_special_cmd(psmouse, mode))
if (psmouse_sliced_command(psmouse, mode))
return -1;
param[0] = SYN_PS_SET_MODE2;
if (psmouse_command(psmouse, param, PSMOUSE_CMD_SETRATE))
......@@ -118,17 +96,31 @@ static int synaptics_capability(struct psmouse *psmouse)
if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap))
return -1;
priv->capabilities = (cap[0]<<16) | (cap[1]<<8) | cap[2];
priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2];
priv->ext_cap = 0;
if (!SYN_CAP_VALID(priv->capabilities))
return -1;
if (SYN_EXT_CAP_REQUESTS(priv->capabilities)) {
/*
* 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];
} 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;
}
......@@ -167,11 +159,12 @@ static void print_ident(struct synaptics_data *priv)
if (SYN_CAP_EXTENDED(priv->capabilities)) {
printk(KERN_INFO " Touchpad has extended capability bits\n");
if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) &&
SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) <= 8)
if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
printk(KERN_INFO " -> %d multi-buttons, i.e. besides standard buttons\n",
(int)(SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap)));
else if (SYN_CAP_FOUR_BUTTON(priv->capabilities))
if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
printk(KERN_INFO " -> middle button\n");
if (SYN_CAP_FOUR_BUTTON(priv->capabilities))
printk(KERN_INFO " -> four buttons\n");
if (SYN_CAP_MULTIFINGER(priv->capabilities))
printk(KERN_INFO " -> multifinger detection\n");
......@@ -219,21 +212,12 @@ static int synaptics_set_mode(struct psmouse *psmouse, int mode)
/*****************************************************************************
* Synaptics pass-through PS/2 port support
****************************************************************************/
static int synaptics_pt_open(struct serio *port)
{
return 0;
}
static void synaptics_pt_close(struct serio *port)
{
}
static int synaptics_pt_write(struct serio *port, unsigned char c)
{
struct psmouse *parent = port->driver;
char rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */
if (synaptics_special_cmd(parent, c))
if (psmouse_sliced_command(parent, c))
return -1;
if (psmouse_command(parent, &rate_param, PSMOUSE_CMD_SETRATE))
return -1;
......@@ -289,165 +273,11 @@ static void synaptics_pt_create(struct psmouse *psmouse)
port->serio.name = "Synaptics pass-through";
port->serio.phys = "synaptics-pt/serio0";
port->serio.write = synaptics_pt_write;
port->serio.open = synaptics_pt_open;
port->serio.close = synaptics_pt_close;
port->serio.driver = psmouse;
port->activate = synaptics_pt_activate;
}
/*****************************************************************************
* Driver initialization/cleanup functions
****************************************************************************/
static inline void set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)
{
dev->absmin[axis] = min;
dev->absmax[axis] = max;
dev->absfuzz[axis] = fuzz;
dev->absflat[axis] = flat;
set_bit(axis, dev->absbit);
}
static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
{
set_bit(EV_ABS, dev->evbit);
set_abs_params(dev, ABS_X, XMIN_NOMINAL, XMAX_NOMINAL, 0, 0);
set_abs_params(dev, ABS_Y, YMIN_NOMINAL, YMAX_NOMINAL, 0, 0);
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);
set_bit(BTN_FORWARD, dev->keybit);
set_bit(BTN_BACK, dev->keybit);
if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap)) {
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:
set_bit(BTN_7, dev->keybit);
set_bit(BTN_6, dev->keybit);
case 6:
set_bit(BTN_5, dev->keybit);
set_bit(BTN_4, dev->keybit);
case 4:
set_bit(BTN_3, dev->keybit);
set_bit(BTN_2, dev->keybit);
case 2:
set_bit(BTN_1, dev->keybit);
set_bit(BTN_0, dev->keybit);
break;
}
}
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);
}
static int synaptics_reconnect(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
struct synaptics_data old_priv = *priv;
if (!synaptics_detect(psmouse))
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_mode(psmouse, 0)) {
printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
return -1;
}
return 0;
}
int synaptics_detect(struct psmouse *psmouse)
{
unsigned char param[4];
param[0] = 0;
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
return param[1] == 0x47;
}
int synaptics_init(struct psmouse *psmouse)
{
struct synaptics_data *priv;
psmouse->private = priv = kmalloc(sizeof(struct synaptics_data), GFP_KERNEL);
if (!priv)
return -1;
memset(priv, 0, sizeof(struct synaptics_data));
if (synaptics_query_hardware(psmouse)) {
printk(KERN_ERR "Unable to query Synaptics hardware.\n");
goto init_fail;
}
if (synaptics_set_mode(psmouse, 0)) {
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;
if (SYN_CAP_EXTENDED(priv->capabilities) && SYN_CAP_PASS_THROUGH(priv->capabilities))
synaptics_pt_create(psmouse);
print_ident(priv);
set_input_params(&psmouse->dev, priv);
psmouse->disconnect = synaptics_disconnect;
psmouse->reconnect = synaptics_reconnect;
return 0;
init_fail:
kfree(priv);
return -1;
}
/*****************************************************************************
* Functions to interpret the absolute mode packets
****************************************************************************/
......@@ -471,17 +301,17 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data
hw->left = (buf[0] & 0x01) ? 1 : 0;
hw->right = (buf[0] & 0x02) ? 1 : 0;
if (SYN_CAP_EXTENDED(priv->capabilities) &&
(SYN_CAP_FOUR_BUTTON(priv->capabilities))) {
hw->up = ((buf[3] & 0x01)) ? 1 : 0;
if (hw->left)
hw->up = !hw->up;
hw->down = ((buf[3] & 0x02)) ? 1 : 0;
if (hw->right)
hw->down = !hw->down;
if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities))
hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
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[3] & 2) ? !hw->right : hw->right)) {
((buf[0] ^ buf[3]) & 0x02)) {
switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) {
default:
/*
......@@ -490,17 +320,17 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data
*/
break;
case 8:
hw->b7 = ((buf[5] & 0x08)) ? 1 : 0;
hw->b6 = ((buf[4] & 0x08)) ? 1 : 0;
hw->ext_buttons |= ((buf[5] & 0x08)) ? 0x80 : 0;
hw->ext_buttons |= ((buf[4] & 0x08)) ? 0x40 : 0;
case 6:
hw->b5 = ((buf[5] & 0x04)) ? 1 : 0;
hw->b4 = ((buf[4] & 0x04)) ? 1 : 0;
hw->ext_buttons |= ((buf[5] & 0x04)) ? 0x20 : 0;
hw->ext_buttons |= ((buf[4] & 0x04)) ? 0x10 : 0;
case 4:
hw->b3 = ((buf[5] & 0x02)) ? 1 : 0;
hw->b2 = ((buf[4] & 0x02)) ? 1 : 0;
hw->ext_buttons |= ((buf[5] & 0x02)) ? 0x08 : 0;
hw->ext_buttons |= ((buf[4] & 0x02)) ? 0x04 : 0;
case 2:
hw->b1 = ((buf[5] & 0x01)) ? 1 : 0;
hw->b0 = ((buf[4] & 0x01)) ? 1 : 0;
hw->ext_buttons |= ((buf[5] & 0x01)) ? 0x02 : 0;
hw->ext_buttons |= ((buf[4] & 0x01)) ? 0x01 : 0;
}
}
} else {
......@@ -525,6 +355,7 @@ static void synaptics_process_packet(struct psmouse *psmouse)
struct synaptics_hw_state hw;
int num_fingers;
int finger_width;
int i;
synaptics_parse_hw_state(psmouse->packet, priv, &hw);
......@@ -572,30 +403,18 @@ static void synaptics_process_packet(struct psmouse *psmouse)
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);
if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
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:
input_report_key(dev, BTN_7, hw.b7);
input_report_key(dev, BTN_6, hw.b6);
case 6:
input_report_key(dev, BTN_5, hw.b5);
input_report_key(dev, BTN_4, hw.b4);
case 4:
input_report_key(dev, BTN_3, hw.b3);
input_report_key(dev, BTN_2, hw.b2);
case 2:
input_report_key(dev, BTN_1, hw.b1);
input_report_key(dev, BTN_0, hw.b0);
break;
}
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);
}
......@@ -607,6 +426,9 @@ static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned cha
static unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
static 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:
......@@ -637,7 +459,7 @@ static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse)
return SYN_NEWABS_STRICT;
}
void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
{
struct input_dev *dev = &psmouse->dev;
struct synaptics_data *priv = psmouse->private;
......@@ -645,11 +467,6 @@ void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
input_regs(dev, regs);
if (psmouse->pktcnt >= 6) { /* Full packet received */
if (priv->out_of_sync) {
priv->out_of_sync = 0;
printk(KERN_NOTICE "Synaptics driver resynced.\n");
}
if (unlikely(priv->pkt_type == SYN_NEWABS))
priv->pkt_type = synaptics_detect_pkt_type(psmouse);
......@@ -657,16 +474,142 @@ void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
synaptics_pass_pt_packet(&psmouse->ptport->serio, psmouse->packet);
else
synaptics_process_packet(psmouse);
psmouse->pktcnt = 0;
} else if (psmouse->pktcnt &&
!synaptics_validate_byte(psmouse->packet, psmouse->pktcnt - 1, priv->pkt_type)) {
printk(KERN_WARNING "Synaptics driver lost sync at byte %d\n", psmouse->pktcnt);
psmouse->pktcnt = 0;
if (++priv->out_of_sync == psmouse_resetafter) {
psmouse->state = PSMOUSE_IGNORE;
printk(KERN_NOTICE "synaptics: issuing reconnect request\n");
serio_reconnect(psmouse->serio);
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)) {
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);
}
static int synaptics_reconnect(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
struct synaptics_data old_priv = *priv;
if (!synaptics_detect(psmouse))
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_mode(psmouse, 0)) {
printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
return -1;
}
return 0;
}
int synaptics_detect(struct psmouse *psmouse)
{
unsigned char param[4];
param[0] = 0;
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
return param[1] == 0x47;
}
int synaptics_init(struct psmouse *psmouse)
{
struct synaptics_data *priv;
psmouse->private = priv = kmalloc(sizeof(struct synaptics_data), GFP_KERNEL);
if (!priv)
return -1;
memset(priv, 0, sizeof(struct synaptics_data));
if (synaptics_query_hardware(psmouse)) {
printk(KERN_ERR "Unable to query Synaptics hardware.\n");
goto init_fail;
}
if (synaptics_set_mode(psmouse, 0)) {
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;
if (SYN_CAP_PASS_THROUGH(priv->capabilities))
synaptics_pt_create(psmouse);
print_ident(priv);
set_input_params(&psmouse->dev, priv);
psmouse->protocol_handler = synaptics_process_byte;
psmouse->disconnect = synaptics_disconnect;
psmouse->reconnect = synaptics_reconnect;
return 0;
init_fail:
kfree(priv);
return -1;
}
drivers/input/mouse/synaptics.h
View file @ 1e12aaf0
......@@ -9,7 +9,6 @@
#ifndef _SYNAPTICS_H
#define _SYNAPTICS_H
extern void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs);
extern int synaptics_detect(struct psmouse *psmouse);
extern int synaptics_init(struct psmouse *psmouse);
extern void synaptics_reset(struct psmouse *psmouse);
......@@ -44,13 +43,14 @@ extern void synaptics_reset(struct psmouse *psmouse);
/* synaptics capability bits */
#define SYN_CAP_EXTENDED(c) ((c) & (1 << 23))
#define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18))
#define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7))
#define SYN_CAP_SLEEP(c) ((c) & (1 << 4))
#define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3))
#define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1))
#define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0))
#define SYN_CAP_VALID(c) ((((c) & 0x00ff00) >> 8) == 0x47)
#define SYN_EXT_CAP_REQUESTS(c) ((((c) & 0x700000) >> 20) == 1)
#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20)
#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12)
/* synaptics modes query bits */
......@@ -86,18 +86,12 @@ struct synaptics_hw_state {
int y;
int z;
int w;
int left;
int right;
int up;
int down;
int b0;
int b1;
int b2;
int b3;
int b4;
int b5;
int b6;
int b7;
unsigned int left:1;
unsigned int right:1;
unsigned int middle:1;
unsigned int up:1;
unsigned int down:1;
unsigned char ext_buttons;
};
struct synaptics_data {
......@@ -108,7 +102,6 @@ struct synaptics_data {
unsigned long int identity; /* Identification */
/* Data for normal processing */
unsigned int out_of_sync; /* # of packets out of sync */
int old_w; /* Previous w value */
unsigned char pkt_type; /* packet type - old, new, etc */
};
......
drivers/input/mousedev.c
View file @ 1e12aaf0
......@@ -2,6 +2,7 @@
* Input driver to ExplorerPS/2 device driver module.
*
* Copyright (c) 1999-2002 Vojtech Pavlik
* Copyright (c) 2004 Dmitry Torokhov
*
* 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
......@@ -47,15 +48,24 @@ static int yres = CONFIG_INPUT_MOUSEDEV_SCREEN_Y;
module_param(yres, uint, 0);
MODULE_PARM_DESC(yres, "Vertical screen resolution");
struct mousedev_motion {
int dx, dy, dz;
};
struct mousedev {
int exist;
int open;
int minor;
int misc;
char name[16];
wait_queue_head_t wait;
struct list_head list;
struct input_handle handle;
struct mousedev_motion packet;
unsigned long buttons;
unsigned int pkt_count;
int old_x[4], old_y[4];
unsigned int touch;
};
struct mousedev_list {
......@@ -63,13 +73,10 @@ struct mousedev_list {
struct mousedev *mousedev;
struct list_head node;
int dx, dy, dz;
int old_x[4], old_y[4];
unsigned long buttons;
signed char ps2[6];
unsigned char ready, buffer, bufsiz;
unsigned char mode, imexseq, impsseq;
unsigned int pkt_count;
unsigned char touch;
};
#define MOUSEDEV_SEQ_LEN 6
......@@ -82,135 +89,157 @@ static struct input_handler mousedev_handler;
static struct mousedev *mousedev_table[MOUSEDEV_MINORS];
static struct mousedev mousedev_mix;
#define fx(i) (list->old_x[(list->pkt_count - (i)) & 03])
#define fy(i) (list->old_y[(list->pkt_count - (i)) & 03])
#define fx(i) (mousedev->old_x[(mousedev->pkt_count - (i)) & 03])
#define fy(i) (mousedev->old_y[(mousedev->pkt_count - (i)) & 03])
static void mousedev_abs_event(struct input_handle *handle, struct mousedev_list *list, unsigned int code, int value)
static void mousedev_touchpad_event(struct mousedev *mousedev, unsigned int code, int value)
{
int size;
int touchpad;
/* Ignore joysticks */
if (test_bit(BTN_TRIGGER, handle->dev->keybit))
return;
touchpad = test_bit(BTN_TOOL_FINGER, handle->dev->keybit);
if (mousedev->touch) {
switch (code) {
case ABS_X:
if (touchpad) {
if (list->touch) {
fx(0) = value;
if (list->pkt_count >= 2)
list->dx = ((fx(0) - fx(1)) / 2 + (fx(1) - fx(2)) / 2) / 8;
}
} else {
size = handle->dev->absmax[ABS_X] - handle->dev->absmin[ABS_X];
if (size == 0) size = xres;
list->dx += (value * xres - list->old_x[0]) / size;
list->old_x[0] += list->dx * size;
}
if (mousedev->pkt_count >= 2)
mousedev->packet.dx = ((fx(0) - fx(1)) / 2 + (fx(1) - fx(2)) / 2) / 8;
break;
case ABS_Y:
if (touchpad) {
if (list->touch) {
fy(0) = value;
if (list->pkt_count >= 2)
list->dy = -((fy(0) - fy(1)) / 2 + (fy(1) - fy(2)) / 2) / 8;
}
} else {
size = handle->dev->absmax[ABS_Y] - handle->dev->absmin[ABS_Y];
if (size == 0) size = yres;
list->dy -= (value * yres - list->old_y[0]) / size;
list->old_y[0] -= list->dy * size;
}
if (mousedev->pkt_count >= 2)
mousedev->packet.dy = -((fy(0) - fy(1)) / 2 + (fy(1) - fy(2)) / 2) / 8;
break;
}
}
}
static void mousedev_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
static void mousedev_abs_event(struct input_dev *dev, struct mousedev *mousedev, unsigned int code, int value)
{
struct mousedev *mousedevs[3] = { handle->private, &mousedev_mix, NULL };
struct mousedev **mousedev = mousedevs;
struct mousedev_list *list;
int index, wake;
while (*mousedev) {
int size;
wake = 0;
switch (code) {
case ABS_X:
size = dev->absmax[ABS_X] - dev->absmin[ABS_X];
if (size == 0) size = xres;
mousedev->packet.dx = (value * xres - mousedev->old_x[0]) / size;
mousedev->old_x[0] = mousedev->packet.dx * size;
break;
list_for_each_entry(list, &(*mousedev)->list, node)
switch (type) {
case EV_ABS:
mousedev_abs_event(handle, list, code, value);
case ABS_Y:
size = dev->absmax[ABS_Y] - dev->absmin[ABS_Y];
if (size == 0) size = yres;
mousedev->packet.dy = (value * yres - mousedev->old_y[0]) / size;
mousedev->old_y[0] = mousedev->packet.dy * size;
break;
}
}
case EV_REL:
static void mousedev_rel_event(struct mousedev *mousedev, unsigned int code, int value)
{
switch (code) {
case REL_X: list->dx += value; break;
case REL_Y: list->dy -= value; break;
case REL_WHEEL: if (list->mode) list->dz -= value; break;
case REL_X: mousedev->packet.dx += value; break;
case REL_Y: mousedev->packet.dy -= value; break;
case REL_WHEEL: mousedev->packet.dz -= value; break;
}
break;
}
case EV_KEY:
if (code == BTN_TOUCH && test_bit(BTN_TOOL_FINGER, handle->dev->keybit)) {
/* Handle touchpad data */
list->touch = value;
if (!list->touch)
list->pkt_count = 0;
break;
}
static void mousedev_key_event(struct mousedev *mousedev, unsigned int code, int value)
{
int index;
switch (code) {
case BTN_TOUCH:
case BTN_0:
case BTN_FORWARD:
case BTN_LEFT: index = 0; break;
case BTN_4:
case BTN_EXTRA: if (list->mode == 2) { index = 4; break; }
case BTN_STYLUS:
case BTN_1:
case BTN_RIGHT: index = 1; break;
case BTN_3:
case BTN_BACK:
case BTN_SIDE: if (list->mode == 2) { index = 3; break; }
case BTN_2:
case BTN_STYLUS2:
case BTN_MIDDLE: index = 2; break;
case BTN_3:
case BTN_BACK:
case BTN_SIDE: index = 3; break;
case BTN_4:
case BTN_EXTRA: index = 4; break;
default: return;
}
switch (value) {
case 0: clear_bit(index, &list->buttons); break;
case 1: set_bit(index, &list->buttons); break;
case 2: return;
}
break;
case EV_SYN:
switch (code) {
case SYN_REPORT:
if (list->touch) {
list->pkt_count++;
/* Input system eats duplicate events,
* but we need all of them to do correct
* averaging so apply present one forward
*/
fx(0) = fx(1);
fy(0) = fy(1);
if (value) {
set_bit(index, &mousedev->buttons);
set_bit(index, &mousedev_mix.buttons);
} else {
clear_bit(index, &mousedev->buttons);
clear_bit(index, &mousedev_mix.buttons);
}
}
static void mousedev_notify_readers(struct mousedev *mousedev, struct mousedev_motion *packet)
{
struct mousedev_list *list;
list_for_each_entry(list, &mousedev->list, node) {
list->dx += packet->dx;
list->dy += packet->dy;
list->dz += packet->dz;
list->buttons = mousedev->buttons;
list->ready = 1;
kill_fasync(&list->fasync, SIGIO, POLL_IN);
wake = 1;
}
wake_up_interruptible(&mousedev->wait);
}
static void mousedev_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
{
struct mousedev *mousedev = handle->private;
switch (type) {
case EV_ABS:
/* Ignore joysticks */
if (test_bit(BTN_TRIGGER, handle->dev->keybit))
return;
if (test_bit(BTN_TOOL_FINGER, handle->dev->keybit))
mousedev_touchpad_event(mousedev, code, value);
else
mousedev_abs_event(handle->dev, mousedev, code, value);
break;
case EV_REL:
mousedev_rel_event(mousedev, code, value);
break;
case EV_KEY:
if (value != 2) {
if (code == BTN_TOUCH && test_bit(BTN_TOOL_FINGER, handle->dev->keybit)) {
/* Handle touchpad data */
mousedev->touch = value;
if (!mousedev->touch)
mousedev->pkt_count = 0;
}
else
mousedev_key_event(mousedev, code, value);
}
break;
case EV_SYN:
if (code == SYN_REPORT) {
if (mousedev->touch) {
mousedev->pkt_count++;
/* Input system eats duplicate events, but we need all of them
* to do correct averaging so apply present one forward
*/
fx(0) = fx(1);
fy(0) = fy(1);
}
if (wake)
wake_up_interruptible(&((*mousedev)->wait));
mousedev_notify_readers(mousedev, &mousedev->packet);
mousedev_notify_readers(&mousedev_mix, &mousedev->packet);
mousedev++;
memset(&mousedev->packet, 0, sizeof(struct mousedev_motion));
}
break;
}
}
......@@ -326,6 +355,8 @@ static void mousedev_packet(struct mousedev_list *list, unsigned char off)
list->dz -= list->ps2[off + 3];
list->ps2[off + 3] = (list->ps2[off + 3] & 0x0f) | ((list->buttons & 0x18) << 1);
list->bufsiz++;
} else {
list->ps2[off] |= ((list->buttons & 0x10) >> 3) | ((list->buttons & 0x08) >> 1);
}
if (list->mode == 1) {
......@@ -391,9 +422,9 @@ static ssize_t mousedev_write(struct file * file, const char __user * buffer, si
list->impsseq = 0;
list->imexseq = 0;
list->mode = 0;
list->ps2[0] = 0xaa;
list->ps2[1] = 0x00;
list->bufsiz = 2;
list->ps2[1] = 0xaa;
list->ps2[2] = 0x00;
list->bufsiz = 3;
break;
}
......@@ -553,6 +584,7 @@ static struct input_handler mousedev_handler = {
static struct miscdevice psaux_mouse = {
PSMOUSE_MINOR, "psaux", &mousedev_fops
};
static int psaux_registered;
#endif
static int __init mousedev_init(void)
......@@ -572,7 +604,7 @@ static int __init mousedev_init(void)
NULL, "mice");
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
if (!(mousedev_mix.misc = !misc_register(&psaux_mouse)))
if (!(psaux_registered = !misc_register(&psaux_mouse)))
printk(KERN_WARNING "mice: could not misc_register the device\n");
#endif
......@@ -584,7 +616,7 @@ static int __init mousedev_init(void)
static void __exit mousedev_exit(void)
{
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
if (mousedev_mix.misc)
if (psaux_registered)
misc_deregister(&psaux_mouse);
#endif
devfs_remove("input/mice");
......
drivers/input/power.c
View file @ 1e12aaf0
......@@ -172,3 +172,4 @@ module_exit(power_exit);
MODULE_AUTHOR("James Simmons <jsimmons@transvirtual.com>");
MODULE_DESCRIPTION("Input Power Management driver");
MODULE_LICENSE("GPL");
drivers/input/serio/98kbd-io.c
View file @ 1e12aaf0
......@@ -51,7 +51,7 @@ spinlock_t kbd98io_lock = SPIN_LOCK_UNLOCKED;
static struct serio kbd98_port;
extern struct pt_regs *kbd_pt_regs;
static void kbd98io_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static irqreturn_t kbd98io_interrupt(int irq, void *dev_id, struct pt_regs *regs);
/*
* kbd98_flush() flushes all data that may be in the keyboard buffers
......@@ -143,7 +143,7 @@ static struct serio kbd98_port =
* to the upper layers.
*/
static void kbd98io_interrupt(int irq, void *dev_id, struct pt_regs *regs)
static irqreturn_t kbd98io_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
unsigned long flags;
unsigned char data;
......@@ -154,6 +154,7 @@ static void kbd98io_interrupt(int irq, void *dev_id, struct pt_regs *regs)
spin_unlock_irqrestore(&kbd98io_lock, flags);
serio_interrupt(&kbd98_port, data, 0, regs);
return IRQ_HANDLED;
}
int __init kbd98io_init(void)
......
drivers/input/serio/i8042.c
View file @ 1e12aaf0
......@@ -2,6 +2,7 @@
* i8042 keyboard and mouse controller driver for Linux
*
* Copyright (c) 1999-2002 Vojtech Pavlik
* Copyright (c) 2004 Dmitry Torokhov
*/
/*
......@@ -74,6 +75,14 @@ struct i8042_values {
unsigned char *phys;
};
#define I8042_QUEUE_LEN 64
struct {
unsigned char str[I8042_QUEUE_LEN];
unsigned char data[I8042_QUEUE_LEN];
unsigned int read_pos;
unsigned int write_pos;
} i8042_buf;
static struct serio i8042_kbd_port;
static struct serio i8042_aux_port;
static unsigned char i8042_initial_ctr;
......@@ -82,7 +91,7 @@ static unsigned char i8042_mux_open;
static unsigned char i8042_mux_present;
static unsigned char i8042_sysdev_initialized;
static struct pm_dev *i8042_pm_dev;
struct timer_list i8042_timer;
static struct timer_list i8042_timer;
/*
* Shared IRQ's require a device pointer, but this driver doesn't support
......@@ -374,31 +383,28 @@ static char i8042_mux_short[4][16];
static char i8042_mux_phys[4][32];
/*
* i8042_interrupt() is the most important function in this driver -
* it handles the interrupts from the i8042, and sends incoming bytes
* to the upper layers.
* i8042_handle_data() is the most important function in this driver -
* it processes data received by i8042_interrupt and sends it to the
* upper layers.
*/
static irqreturn_t i8042_interrupt(int irq, void *dev_id, struct pt_regs *regs)
static void i8042_handle_data(unsigned long notused)
{
unsigned long flags;
unsigned char str, data = 0;
unsigned int dfl;
int ret;
mod_timer(&i8042_timer, jiffies + I8042_POLL_PERIOD);
/*
* No locking it required on i8042_buf as the tasklet is guaranteed
* to be serialized and if write_pos changes while comparing it with
* read_pos another run will be scheduled by i8042_interrupt.
*/
while (i8042_buf.read_pos != i8042_buf.write_pos) {
spin_lock_irqsave(&i8042_lock, flags);
str = i8042_read_status();
if (str & I8042_STR_OBF)
data = i8042_read_data();
spin_unlock_irqrestore(&i8042_lock, flags);
str = i8042_buf.str[i8042_buf.read_pos];
data = i8042_buf.data[i8042_buf.read_pos];
if (~str & I8042_STR_OBF) {
if (irq) dbg("Interrupt %d, without any data", irq);
ret = 0;
goto out;
}
i8042_buf.read_pos++;
i8042_buf.read_pos %= I8042_QUEUE_LEN;
dfl = ((str & I8042_STR_PARITY) ? SERIO_PARITY : 0) |
((str & I8042_STR_TIMEOUT) ? SERIO_TIMEOUT : 0);
......@@ -419,32 +425,67 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id, struct pt_regs *regs)
dfl & SERIO_PARITY ? ", bad parity" : "",
dfl & SERIO_TIMEOUT ? ", timeout" : "");
serio_interrupt(i8042_mux_port + ((str >> 6) & 3), data, dfl, regs);
goto irq_ret;
}
serio_interrupt(i8042_mux_port + ((str >> 6) & 3), data, dfl, NULL);
} else {
dbg("%02x <- i8042 (interrupt, %s, %d%s%s)",
data, (str & I8042_STR_AUXDATA) ? "aux" : "kbd", irq,
dfl & SERIO_PARITY ? ", bad parity" : "",
dfl & SERIO_TIMEOUT ? ", timeout" : "");
if (i8042_aux_values.exists && (str & I8042_STR_AUXDATA)) {
serio_interrupt(&i8042_aux_port, data, dfl, regs);
goto irq_ret;
if (i8042_aux_values.exists && (str & I8042_STR_AUXDATA))
serio_interrupt(&i8042_aux_port, data, dfl, NULL);
else if (i8042_kbd_values.exists)
serio_interrupt(&i8042_kbd_port, data, dfl, NULL);
}
}
}
DECLARE_TASKLET(i8042_tasklet, i8042_handle_data, 0);
/*
* i8042_interrupt() handles the interrupts from i8042 and schedules
* i8042_handle_data to process and pass received bytes to the upper
* layers.
*/
static irqreturn_t i8042_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
unsigned long flags;
unsigned char str;
unsigned int n_bytes = 0;
mod_timer(&i8042_timer, jiffies + I8042_POLL_PERIOD);
spin_lock_irqsave(&i8042_lock, flags);
while ((str = i8042_read_status()) & I8042_STR_OBF) {
n_bytes++;
i8042_buf.str[i8042_buf.write_pos] = str;
i8042_buf.data[i8042_buf.write_pos] = i8042_read_data();
i8042_buf.write_pos++;
i8042_buf.write_pos %= I8042_QUEUE_LEN;
if (unlikely(i8042_buf.write_pos == i8042_buf.read_pos))
printk(KERN_WARNING "i8042.c: ring buffer full\n");
}
if (!i8042_kbd_values.exists)
goto irq_ret;
spin_unlock_irqrestore(&i8042_lock, flags);
if (unlikely(n_bytes == 0)) {
if (irq) dbg("Interrupt %d, without any data", irq);
return IRQ_NONE;
}
serio_interrupt(&i8042_kbd_port, data, dfl, regs);
tasklet_schedule(&i8042_tasklet);
irq_ret:
ret = 1;
out:
return IRQ_RETVAL(ret);
return IRQ_HANDLED;
}
/*
* i8042_enable_mux_mode checks whether the controller has an active
* multiplexor and puts the chip into Multiplexed (as opposed to
......@@ -474,8 +515,17 @@ static int i8042_enable_mux_mode(struct i8042_values *values, unsigned char *mux
if (i8042_command(&param, I8042_CMD_AUX_LOOP) || param != 0xa9)
return -1;
param = 0xa4;
if (i8042_command(&param, I8042_CMD_AUX_LOOP) || param == 0x5b)
if (i8042_command(&param, I8042_CMD_AUX_LOOP) || param == 0x5b) {
/*
* Do another loop test with the 0x5a value. Doing anything else upsets
* Profusion/ServerWorks OSB4 chipsets.
*/
param = 0x5a;
i8042_command(&param, I8042_CMD_AUX_LOOP);
return -1;
}
if (mux_version)
*mux_version = ~param;
......@@ -532,8 +582,8 @@ static int __init i8042_check_mux(struct i8042_values *values)
return -1;
/* Workaround for broken chips which seem to support MUX, but in reality don't. */
/* They all report version 12.10 */
if (mux_version == 0xCA)
/* They all report version 10.12 */
if (mux_version == 0xAC)
return -1;
printk(KERN_INFO "i8042.c: Detected active multiplexing controller, rev %d.%d.\n",
......@@ -868,7 +918,7 @@ static int i8042_controller_resume(void)
static int i8042_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
if (code==SYS_DOWN || code==SYS_HALT)
if (code == SYS_DOWN || code == SYS_HALT)
i8042_controller_cleanup();
return NOTIFY_DONE;
}
......@@ -997,8 +1047,6 @@ void __exit i8042_exit(void)
sysdev_class_unregister(&kbc_sysclass);
}
del_timer_sync(&i8042_timer);
i8042_controller_cleanup();
if (i8042_kbd_values.exists)
......@@ -1011,6 +1059,9 @@ void __exit i8042_exit(void)
if (i8042_mux_values[i].exists)
serio_unregister_port(i8042_mux_port + i);
del_timer_sync(&i8042_timer);
tasklet_kill(&i8042_tasklet);
i8042_platform_exit();
}
......
drivers/input/serio/parkbd.c
View file @ 1e12aaf0
......@@ -86,20 +86,9 @@ static int parkbd_write(struct serio *port, unsigned char c)
return 0;
}
static int parkbd_open(struct serio *port)
{
return 0;
}
static void parkbd_close(struct serio *port)
{
}
static struct serio parkbd_port =
{
.write = parkbd_write,
.open = parkbd_open,
.close = parkbd_close,
.name = parkbd_name,
.phys = parkbd_phys,
};
......
drivers/input/serio/q40kbd.c
View file @ 1e12aaf0
......@@ -47,23 +47,12 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Q40 PS/2 keyboard controller driver");
MODULE_LICENSE("GPL");
static int q40kbd_open(struct serio *port)
{
return 0;
}
static void q40kbd_close(struct serio *port)
{
}
static struct serio q40kbd_port =
{
.type = SERIO_8042,
.name = "Q40 kbd port",
.phys = "Q40",
.write = NULL,
.open = q40kbd_open,
.close = q40kbd_close,
};
static irqreturn_t q40kbd_interrupt(int irq, void *dev_id,
......
drivers/input/serio/serio.c
View file @ 1e12aaf0
......@@ -293,7 +293,7 @@ void serio_unregister_device(struct serio_dev *dev)
int serio_open(struct serio *serio, struct serio_dev *dev)
{
serio->dev = dev;
if (serio->open(serio)) {
if (serio->open && serio->open(serio)) {
serio->dev = NULL;
return -1;
}
......@@ -303,6 +303,7 @@ int serio_open(struct serio *serio, struct serio_dev *dev)
/* called from serio_dev->connect/disconnect methods under serio_sem */
void serio_close(struct serio *serio)
{
if (serio->close)
serio->close(serio);
serio->dev = NULL;
}
......
drivers/input/serio/serport.c
View file @ 1e12aaf0
......@@ -48,11 +48,6 @@ static int serport_serio_write(struct serio *serio, unsigned char data)
return -(serport->tty->driver->write(serport->tty, 0, &data, 1) != 1);
}
static int serport_serio_open(struct serio *serio)
{
return 0;
}
static void serport_serio_close(struct serio *serio)
{
struct serport *serport = serio->driver;
......@@ -87,7 +82,6 @@ static int serport_ldisc_open(struct tty_struct *tty)
serport->serio.type = SERIO_RS232;
serport->serio.write = serport_serio_write;
serport->serio.open = serport_serio_open;
serport->serio.close = serport_serio_close;
serport->serio.driver = serport;
......
drivers/input/touchscreen/gunze.c
View file @ 1e12aaf0
......@@ -125,11 +125,9 @@ static void gunze_connect(struct serio *serio, struct serio_dev *dev)
init_input_dev(&gunze->dev);
gunze->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
gunze->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
gunze->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
gunze->dev.absmin[ABS_X] = 96; gunze->dev.absmin[ABS_Y] = 72;
gunze->dev.absmax[ABS_X] = 4000; gunze->dev.absmax[ABS_Y] = 3000;
input_set_abs_params(&gunze->dev, ABS_X, 96, 4000, 0, 0);
input_set_abs_params(&gunze->dev, ABS_Y, 72, 3000, 0, 0);
gunze->serio = serio;
serio->private = gunze;
......
drivers/input/touchscreen/h3600_ts_input.c
View file @ 1e12aaf0
......@@ -45,6 +45,10 @@
#include <asm/arch/hardware.h>
#include <asm/arch/irqs.h>
MODULE_AUTHOR("James Simmons <jsimmons@transvirtual.com>");
MODULE_DESCRIPTION("H3600 touchscreen driver");
MODULE_LICENSE("GPL");
/*
* Definitions & global arrays.
*/
......@@ -103,7 +107,7 @@ struct h3600_dev {
char phys[32];
};
static void action_button_handler(int irq, void *dev_id, struct pt_regs *regs)
static irqreturn_t action_button_handler(int irq, void *dev_id, struct pt_regs *regs)
{
int down = (GPLR & GPIO_BITSY_ACTION_BUTTON) ? 0 : 1;
struct input_dev *dev = (struct input_dev *) dev_id;
......@@ -111,9 +115,11 @@ static void action_button_handler(int irq, void *dev_id, struct pt_regs *regs)
input_regs(dev, regs);
input_report_key(dev, KEY_ENTER, down);
input_sync(dev);
return IRQ_HANDLED;
}
static void npower_button_handler(int irq, void *dev_id, struct pt_regs *regs)
static irqreturn_t npower_button_handler(int irq, void *dev_id, struct pt_regs *regs)
{
int down = (GPLR & GPIO_BITSY_NPOWER_BUTTON) ? 0 : 1;
struct input_dev *dev = (struct input_dev *) dev_id;
......@@ -126,6 +132,8 @@ static void npower_button_handler(int irq, void *dev_id, struct pt_regs *regs)
input_report_key(dev, KEY_SUSPEND, 1);
input_report_key(dev, KEY_SUSPEND, down);
input_sync(dev);
return IRQ_HANDLED;
}
#ifdef CONFIG_PM
......@@ -141,7 +149,7 @@ enum flite_pwr {
* h3600_flite_power: enables or disables power to frontlight, using last bright */
unsigned int h3600_flite_power(struct input_dev *dev, enum flite_pwr pwr)
{
unsigned char brightness = ((pwr==FLITE_PWR_OFF) ? 0:flite_brightness);
unsigned char brightness = (pwr == FLITE_PWR_OFF) ? 0 : flite_brightness;
struct h3600_dev *ts = dev->private;
/* Must be in this order */
......@@ -317,8 +325,8 @@ static int state;
#define STATE_DATA 2 /* state where we decode data */
#define STATE_EOF 3 /* state where we decode checksum or EOF */
static void h3600ts_interrupt(struct serio *serio, unsigned char data,
unsigned int flags)
static irqreturn_t h3600ts_interrupt(struct serio *serio, unsigned char data,
unsigned int flags, struct pt_regs *regs)
{
struct h3600_dev *ts = serio->private;
......@@ -329,7 +337,7 @@ static void h3600ts_interrupt(struct serio *serio, unsigned char data,
case STATE_SOF:
if (data == CHAR_SOF)
state = STATE_ID;
return;
break;
case STATE_ID:
ts->event = (data & 0xf0) >> 4;
ts->len = (data & 0xf);
......@@ -339,7 +347,7 @@ static void h3600ts_interrupt(struct serio *serio, unsigned char data,
break;
}
ts->chksum = data;
state=(ts->len > 0 ) ? STATE_DATA : STATE_EOF;
state = (ts->len > 0) ? STATE_DATA : STATE_EOF;
break;
case STATE_DATA:
ts->chksum += data;
......@@ -349,13 +357,15 @@ static void h3600ts_interrupt(struct serio *serio, unsigned char data,
break;
case STATE_EOF:
state = STATE_SOF;
if (data == CHAR_EOF || data == ts->chksum )
h3600ts_process_packet(ts);
if (data == CHAR_EOF || data == ts->chksum)
h3600ts_process_packet(ts, regs);
break;
default:
printk("Error3\n");
break;
}
return IRQ_HANDLED;
}
/*
......@@ -378,8 +388,8 @@ static void h3600ts_connect(struct serio *serio, struct serio_dev *dev)
init_input_dev(&ts->dev);
/* Device specific stuff */
set_GPIO_IRQ_edge( GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES );
set_GPIO_IRQ_edge( GPIO_BITSY_NPOWER_BUTTON, GPIO_RISING_EDGE );
set_GPIO_IRQ_edge(GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES);
set_GPIO_IRQ_edge(GPIO_BITSY_NPOWER_BUTTON, GPIO_RISING_EDGE);
if (request_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, action_button_handler,
SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM,
......@@ -397,17 +407,12 @@ static void h3600ts_connect(struct serio *serio, struct serio_dev *dev)
kfree(ts);
return;
}
/* Now we have things going we setup our input device */
ts->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_LED) | BIT(EV_PWR);
ts->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
ts->dev.ledbit[0] = BIT(LED_SLEEP);
ts->dev.absmin[ABS_X] = 60; ts->dev.absmin[ABS_Y] = 35;
ts->dev.absmax[ABS_X] = 985; ts->dev.absmax[ABS_Y] = 1024;
ts->dev.absfuzz[ABS_X] = 0; ts->dev.absfuzz[ABS_Y] = 0;
ts->serio = serio;
serio->private = ts;
input_set_abs_params(&ts->dev, ABS_X, 60, 985, 0, 0);
input_set_abs_params(&ts->dev, ABS_Y, 35, 1024, 0, 0);
set_bit(KEY_RECORD, ts->dev.keybit);
set_bit(KEY_Q, ts->dev.keybit);
......@@ -422,6 +427,9 @@ static void h3600ts_connect(struct serio *serio, struct serio_dev *dev)
ts->dev.keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
ts->dev.keybit[LONG(KEY_SUSPEND)] |= BIT(KEY_SUSPEND);
ts->serio = serio;
serio->private = ts;
sprintf(ts->phys, "%s/input0", serio->phys);
ts->dev.event = h3600ts_event;
......
include/linux/input.h
View file @ 1e12aaf0
......@@ -749,8 +749,6 @@ struct ff_effect {
#define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))
#define init_input_dev(dev) do { INIT_LIST_HEAD(&((dev)->h_list)); INIT_LIST_HEAD(&((dev)->node)); } while (0)
#define SET_INPUT_KEYCODE(dev, scancode, val) \
({ unsigned __old; \
switch (dev->keycodesize) { \
......@@ -915,6 +913,12 @@ struct input_handle {
#define to_handle(n) container_of(n,struct input_handle,d_node)
#define to_handle_h(n) container_of(n,struct input_handle,h_node)
static inline void init_input_dev(struct input_dev *dev)
{
INIT_LIST_HEAD(&dev->h_list);
INIT_LIST_HEAD(&dev->node);
}
void input_register_device(struct input_dev *);
void input_unregister_device(struct input_dev *);
......@@ -932,14 +936,51 @@ int input_flush_device(struct input_handle* handle, struct file* file);
void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
#define input_report_key(a,b,c) input_event(a, EV_KEY, b, !!(c))
#define input_report_rel(a,b,c) input_event(a, EV_REL, b, c)
#define input_report_abs(a,b,c) input_event(a, EV_ABS, b, c)
#define input_report_ff(a,b,c) input_event(a, EV_FF, b, c)
#define input_report_ff_status(a,b,c) input_event(a, EV_FF_STATUS, b, c)
#define input_regs(a,b) do { (a)->regs = (b); } while (0)
#define input_sync(a) do { input_event(a, EV_SYN, SYN_REPORT, 0); (a)->regs = NULL; } while (0)
static inline void input_report_key(struct input_dev *dev, unsigned int code, int value)
{
input_event(dev, EV_KEY, code, !!value);
}
static inline void input_report_rel(struct input_dev *dev, unsigned int code, int value)
{
input_event(dev, EV_REL, code, value);
}
static inline void input_report_abs(struct input_dev *dev, unsigned int code, int value)
{
input_event(dev, EV_ABS, code, value);
}
static inline void input_report_ff(struct input_dev *dev, unsigned int code, int value)
{
input_event(dev, EV_FF, code, value);
}
static inline void input_report_ff_status(struct input_dev *dev, unsigned int code, int value)
{
input_event(dev, EV_FF_STATUS, code, value);
}
static inline void input_regs(struct input_dev *dev, struct pt_regs *regs)
{
dev->regs = regs;
}
static inline void input_sync(struct input_dev *dev)
{
input_event(dev, EV_SYN, SYN_REPORT, 0);
dev->regs = NULL;
}
static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)
{
dev->absmin[axis] = min;
dev->absmax[axis] = max;
dev->absfuzz[axis] = fuzz;
dev->absflat[axis] = flat;
dev->absbit[LONG(axis)] |= BIT(axis);
}
extern struct class_simple *input_class;
......
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