Merge bk://kernel.bkbits.net/vojtech/input

into home.osdl.org:/home/torvalds/v2.5/linux

Documentation/kernel-parameters.txt

@@ -788,6 +788,10 @@ running once the system is up.
 
 	psmouse_noext	[HW,MOUSE] Disable probing for PS2 mouse protocol extensions
 
+	psmouse_resetafter=
+			[HW,MOUSE] Try to reset Synaptics Touchpad after so many
+			bad packets (0 = never).
+
 	pss=		[HW,OSS] Personal Sound System (ECHO ESC614)
 			Format: <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq>
 

drivers/char/keyboard.c

@@ -205,7 +205,7 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
 	INPUT_KEYCODE(dev, scancode) = keycode;
 
 	for (i = 0; i < dev->keycodemax; i++)
-		if(INPUT_KEYCODE(dev, scancode) == oldkey)
+		if(keycode == oldkey)
 			break;
 	if (i == dev->keycodemax)
 		clear_bit(oldkey, dev->keybit);

drivers/input/evdev.c

@@ -208,7 +208,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	struct evdev *evdev = list->evdev;
 	struct input_dev *dev = evdev->handle.dev;
 	struct input_absinfo abs;
-	int i, t, u;
+	int i, t, u, v;
 
 	if (!evdev->exist) return -ENODEV;
 
@@ -239,14 +239,12 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 		case EVIOCSKEYCODE:
 			if (get_user(t, ((int *) arg) + 0)) return -EFAULT;
 			if (t < 0 || t > dev->keycodemax || !dev->keycodesize) return -EINVAL;
+			if (get_user(v, ((int *) arg) + 1)) return -EFAULT;
 			u = INPUT_KEYCODE(dev, t);
-			if (get_user(INPUT_KEYCODE(dev, t), ((int *) arg) + 1)) return -EFAULT;
-
-			for (i = 0; i < dev->keycodemax; i++)
-				if(INPUT_KEYCODE(dev, t) == u) break;
+			INPUT_KEYCODE(dev, t) = v;
+			for (i = 0; i < dev->keycodemax; i++) if (v == u) break;
 			if (i == dev->keycodemax) clear_bit(u, dev->keybit);
-			set_bit(INPUT_KEYCODE(dev, t), dev->keybit);
-
+			set_bit(v, dev->keybit);
 			return 0;
 
 		case EVIOCSFF:

drivers/input/input.c

@@ -426,8 +426,10 @@ void input_register_device(struct input_dev *dev)
 	init_timer(&dev->timer);
 	dev->timer.data = (long) dev;
 	dev->timer.function = input_repeat_key;
-	dev->rep[REP_DELAY] = HZ/4;
-	dev->rep[REP_PERIOD] = HZ/33;
+	if (!dev->rep[REP_DELAY])
+		dev->rep[REP_DELAY] = HZ/4;
+	if (!dev->rep[REP_PERIOD])
+		dev->rep[REP_PERIOD] = HZ/33;
 
 	INIT_LIST_HEAD(&dev->h_list);
 	list_add_tail(&dev->node, &input_dev_list);

drivers/input/joystick/iforce/iforce-packets.c

@@ -166,8 +166,7 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data,
 		iforce->expect_packet = 0;
 		iforce->ecmd = cmd;
 		memcpy(iforce->edata, data, IFORCE_MAX_LENGTH);
-		if (waitqueue_active(&iforce->wait))
-			wake_up(&iforce->wait);
+		wake_up(&iforce->wait);
 	}
 #endif
 
@@ -264,7 +263,7 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet)
 		set_current_state(TASK_INTERRUPTIBLE);
 		add_wait_queue(&iforce->wait, &wait);
 
-		if (usb_submit_urb(iforce->ctrl, GFP_KERNEL)) {
+		if (usb_submit_urb(iforce->ctrl, GFP_ATOMIC)) {
 			set_current_state(TASK_RUNNING);
 			remove_wait_queue(&iforce->wait, &wait);
 			return -1;

drivers/input/joystick/iforce/iforce-usb.c

@@ -116,8 +116,7 @@ static void iforce_usb_out(struct urb *urb, struct pt_regs *regs)
 
 	iforce_usb_xmit(iforce);
 
-	if (waitqueue_active(&iforce->wait))
-		wake_up(&iforce->wait);
+	wake_up(&iforce->wait);
 }
 
 static void iforce_usb_ctrl(struct urb *urb, struct pt_regs *regs)
@@ -125,8 +124,7 @@ static void iforce_usb_ctrl(struct urb *urb, struct pt_regs *regs)
 	struct iforce *iforce = urb->context;
 	if (urb->status) return;
 	iforce->ecmd = 0xff00 | urb->actual_length;
-	if (waitqueue_active(&iforce->wait))
-		wake_up(&iforce->wait);
+	wake_up(&iforce->wait);
 }
 
 static int iforce_usb_probe(struct usb_interface *intf,

drivers/input/keyboard/Kconfig

@@ -13,7 +13,8 @@ config INPUT_KEYBOARD
 
 config KEYBOARD_ATKBD
 	tristate "AT keyboard support" if EMBEDDED || !X86 
-	default y
+	default y if INPUT=y && INPUT_KEYBOARD=y && SERIO=y
+	default m
 	depends on INPUT && INPUT_KEYBOARD && SERIO
 	help
 	  Say Y here if you want to use a standard AT or PS/2 keyboard. Usually

drivers/input/keyboard/atkbd.c

@@ -18,6 +18,7 @@
 #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");
@@ -40,8 +41,8 @@ static int atkbd_reset = 1;
 static unsigned char atkbd_set2_keycode[512] = {
 	  0, 67, 65, 63, 61, 59, 60, 88,  0, 68, 66, 64, 62, 15, 41, 85,
 	  0, 56, 42,182, 29, 16,  2, 89,  0,  0, 44, 31, 30, 17,  3, 90,
-	  0, 46, 45, 32, 18,  5,  4, 91,  0, 57, 47, 33, 20, 19,  6,  0,
-	  0, 49, 48, 35, 34, 21,  7,  0,  0,  0, 50, 36, 22,  8,  9,  0,
+	  0, 46, 45, 32, 18,  5,  4, 91, 90, 57, 47, 33, 20, 19,  6,  0,
+	 91, 49, 48, 35, 34, 21,  7,  0,  0,  0, 50, 36, 22,  8,  9,  0,
 	  0, 51, 37, 23, 24, 11, 10,  0,  0, 52, 53, 38, 39, 25, 12,  0,
 	122, 89, 40,120, 26, 13,  0,  0, 58, 54, 28, 27,  0, 43,  0,  0,
 	 85, 86, 90, 91, 92, 93, 14, 94, 95, 79,183, 75, 71,121,  0,123,
@@ -87,10 +88,10 @@ static unsigned char atkbd_set3_keycode[512] = {
 #define ATKBD_CMD_GSCANSET	0x11f0
 #define ATKBD_CMD_SSCANSET	0x10f0
 #define ATKBD_CMD_GETID		0x02f2
+#define ATKBD_CMD_SETREP	0x10f3
 #define ATKBD_CMD_ENABLE	0x00f4
 #define ATKBD_CMD_RESET_DIS	0x00f5
 #define ATKBD_CMD_RESET_BAT	0x02ff
-#define ATKBD_CMD_SETALL_MB	0x00f8
 #define ATKBD_CMD_RESEND	0x00fe
 #define ATKBD_CMD_EX_ENABLE	0x10ea
 #define ATKBD_CMD_EX_SETLEDS	0x20eb
@@ -114,12 +115,14 @@ struct atkbd {
 	unsigned char keycode[512];
 	struct input_dev dev;
 	struct serio *serio;
+	struct timer_list timer;
 	char name[64];
 	char phys[32];
 	unsigned char cmdbuf[4];
 	unsigned char cmdcnt;
 	unsigned char set;
 	unsigned char release;
+	int lastkey;
 	volatile signed char ack;
 	unsigned char emul;
 	unsigned short id;
@@ -142,6 +145,7 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 	printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
 #endif
 
+#if !defined(__i386__) && !defined (__x86_64__)
 	if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
 		printk("atkbd.c: frame/parity error: %02x\n", flags);
 		serio_write(serio, ATKBD_CMD_RESEND);
@@ -151,6 +155,7 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 	
 	if (!flags)
 		atkbd->resend = 0;
+#endif
 
 	switch (code) {
 		case ATKBD_RET_ACK:
@@ -195,6 +200,14 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 				atkbd->set, code, serio->phys, atkbd->release ? "released" : "pressed");
 			break;
 		default:
+
+			if (!atkbd->release) {
+				mod_timer(&atkbd->timer,
+					jiffies + (test_bit(atkbd->keycode[code],
+						&atkbd->dev.key) ? HZ/33 : HZ/4) + HZ/100);
+				atkbd->lastkey = atkbd->keycode[code];
+			}
+
 			input_regs(&atkbd->dev, regs);
 			input_report_key(&atkbd->dev, atkbd->keycode[code], !atkbd->release);
 			input_sync(&atkbd->dev);
@@ -205,6 +218,13 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 	return IRQ_HANDLED;
 }
 
+static void atkbd_force_key_up(unsigned long data)
+{
+	struct atkbd *atkbd = (void *) data;
+	input_report_key(&atkbd->dev, atkbd->lastkey, 0);
+	input_sync(&atkbd->dev);
+}
+
 /*
  * atkbd_sendbyte() sends a byte to the keyboard, and waits for
  * acknowledge. It doesn't handle resends according to the keyboard
@@ -214,7 +234,7 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 
 static int atkbd_sendbyte(struct atkbd *atkbd, unsigned char byte)
 {
-	int timeout = 10000; /* 100 msec */
+	int timeout = 20000; /* 200 msec */
 	atkbd->ack = 0;
 
 #ifdef ATKBD_DEBUG
@@ -322,13 +342,50 @@ static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int co
 }
 
 /*
- * Enable keyboard.
+ * atkbd_probe() probes for an AT keyboard on a serio port.
  */
-static void atkbd_enable(struct atkbd *atkbd)
+
+static int atkbd_probe(struct atkbd *atkbd)
 {
-	if (atkbd_command(atkbd, NULL, ATKBD_CMD_ENABLE))
-		printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
-		       atkbd->serio->phys);
+	unsigned char param[2];
+
+/*
+ * Some systems, where the bit-twiddling when testing the io-lines of the
+ * controller may confuse the keyboard need a full reset of the keyboard. On
+ * these systems the BIOS also usually doesn't do it for us.
+ */
+
+	if (atkbd_reset)
+		if (atkbd_command(atkbd, NULL, ATKBD_CMD_RESET_BAT)) 
+			printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", atkbd->serio->phys);
+
+/*
+ * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
+ * Some keyboards report different values, but the first byte is always 0xab or
+ * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
+ * should make sure we don't try to set the LEDs on it.
+ */
+
+	if (atkbd_command(atkbd, param, ATKBD_CMD_GETID)) {
+
+/*
+ * If the get ID command failed, we check if we can at least set the LEDs on
+ * the keyboard. This should work on every keyboard out there. It also turns
+ * the LEDs off, which we want anyway.
+ */
+		param[0] = 0;
+		if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
+			return -1;
+		atkbd->id = 0xabba;
+		return 0;
+	}
+
+	if (param[0] != 0xab && param[0] != 0xac)
+		return -1;
+	atkbd->id = (param[0] << 8) | param[1];
+
+
+	return 0;
 }
 
 /*
@@ -365,102 +422,56 @@ static int atkbd_set_3(struct atkbd *atkbd)
 			return 4;
 	}
 
-/*
- * Try to set the set we want.
- */
+	if (atkbd_set != 3) 
+		return 2;
 
-	param[0] = atkbd_set;
+	param[0] = 3;
 	if (atkbd_command(atkbd, param, ATKBD_CMD_SSCANSET))
 		return 2;
 
-/*
- * Read set number. Beware here. Some keyboards always send '2'
- * or some other number regardless into what mode they have been
- * attempted to be set. Other keyboards treat the '0' command as
- * 'set to set 0', and not 'report current set' as they should.
- * In that case we time out, and return 2.
- */
-
 	param[0] = 0;
 	if (atkbd_command(atkbd, param, ATKBD_CMD_GSCANSET))
 		return 2;
 
-/*
- * Here we return the set number the keyboard reports about
- * itself.
- */
+	if (param[0] != 3)
+		return 2;
 
-	return (param[0] == 3) ? 3 : 2;
+	return 3;
 }
 
-/*
- * atkbd_probe() probes for an AT keyboard on a serio port.
- */
-
-static int atkbd_probe(struct atkbd *atkbd)
+static int atkbd_enable(struct atkbd *atkbd)
 {
-	unsigned char param[2];
-
-/*
- * Some systems, where the bit-twiddling when testing the io-lines of the
- * controller may confuse the keyboard need a full reset of the keyboard. On
- * these systems the BIOS also usually doesn't do it for us.
- */
-
-	if (atkbd_reset)
-		if (atkbd_command(atkbd, NULL, ATKBD_CMD_RESET_BAT)) 
-			printk(KERN_WARNING
-			       "atkbd.c: keyboard reset failed on %s\n",
-			       atkbd->serio->phys);
+	unsigned char param[1];
 
 /*
- * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
- * Some keyboards report different values, but the first byte is always 0xab or
- * 0xac. Some old AT keyboards don't report anything.
+ * Set the LEDs to a defined state.
  */
 
-	if (atkbd_command(atkbd, param, ATKBD_CMD_GETID)) {
+	param[0] = 0;
+	if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
+		return -1;
 
 /*
- * If the get ID command failed, we check if we can at least set the LEDs on
- * the keyboard. This should work on every keyboard out there. It also turns
- * the LEDs off, which we want anyway.
+ * Set autorepeat to fastest possible.
  */
-		param[0] = 0;
-		if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
-			return -1;
-		atkbd->id = 0xabba;
-		return 0;
-	}
 
-	if (param[0] != 0xab && param[0] != 0xac)
+	param[0] = 0;
+	if (atkbd_command(atkbd, param, ATKBD_CMD_SETREP))
 		return -1;
-	atkbd->id = (param[0] << 8) | param[1];
 
 /*
- * Set the LEDs to a defined state.
+ * Enable the keyboard to receive keystrokes.
  */
 
-	param[0] = 0;
-	if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
+	if (atkbd_command(atkbd, NULL, ATKBD_CMD_ENABLE)) {
+		printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
+			atkbd->serio->phys);
 		return -1;
+	}
 
 	return 0;
 }
 
-/*
- * Disable autorepeat. We don't need it, as we do it in software anyway,
- * because that way can get faster repeat, and have less system load (less
- * accesses to the slow ISA hardware). If this fails, we don't care, and will
- * just ignore the repeated keys.
- *
- * This command is for scancode set 3 only.
- */
-static void atkbd_disable_autorepeat(struct atkbd *atkbd)
-{
-	atkbd_command(atkbd, NULL, ATKBD_CMD_SETALL_MB);
-}
-
 /*
  * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
  * reboot.
@@ -485,7 +496,7 @@ static void atkbd_disconnect(struct serio *serio)
 }
 
 /*
- * atkbd_connect() is called when the serio module finds an interface
+ * atkbd_connect() is called when the serio module finds and interface
  * that isn't handled yet by an appropriate device driver. We check if
  * there is an AT keyboard out there and if yes, we register ourselves
  * to the input module.
@@ -513,6 +524,9 @@ static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
 		atkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
 	} else  atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
 
+	atkbd->dev.rep[REP_DELAY] = HZ/4 + HZ/50;
+	atkbd->dev.rep[REP_PERIOD] = HZ/33;
+
 	atkbd->serio = serio;
 
 	init_input_dev(&atkbd->dev);
@@ -525,6 +539,10 @@ static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
 
 	serio->private = atkbd;
 
+	init_timer(&atkbd->timer);
+	atkbd->timer.data = (long) atkbd;
+	atkbd->timer.function = atkbd_force_key_up;
+
 	if (serio_open(serio, dev)) {
 		kfree(atkbd);
 		return;
@@ -539,9 +557,8 @@ static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
 		}
 		
 		atkbd->set = atkbd_set_3(atkbd);
-		if (atkbd->set == 3)
-			atkbd_disable_autorepeat(atkbd);
 		atkbd_enable(atkbd);
+
 	} else {
 		atkbd->set = 2;
 		atkbd->id = 0xab00;

drivers/input/mouse/Kconfig

@@ -19,9 +19,7 @@ config MOUSE_PS2
 	  Say Y here if you have a PS/2 mouse connected to your system. This
 	  includes the standard 2 or 3-button PS/2 mouse, as well as PS/2
 	  mice with wheels and extra buttons, Microsoft, Logitech or Genius
-	  compatible. Support for Synaptics TouchPads is also included.
-	  For Synaptics TouchPad support in XFree86 you'll need this XFree86
-	  driver: http://w1.894.telia.com/~u89404340/touchpad/index.html
+	  compatible.
 
 	  If unsure, say Y.
 
@@ -30,6 +28,22 @@ config MOUSE_PS2
 	  The module will be called psmouse. If you want to compile it as a
 	  module, say M here and read <file:Documentation/modules.txt>.
 
+config MOUSE_PS2_SYNAPTICS
+	bool "Synaptics TouchPad"
+	default n
+	depends on INPUT && INPUT_MOUSE && SERIO && MOUSE_PS2
+	---help---
+	  Say Y here if you have a Synaptics TouchPad connected to your system.
+	  This touchpad is found on many modern laptop computers.
+
+	  Note that you also need a user space driver to interpret the data
+	  generated by the kernel. A compatible driver for XFree86 is available
+	  from http://w1.894.telia.com/~u89404340/touchpad/index.html
+
+	  The gpm program is not yet able to interpret the data from this
+	  driver, so if you need to use the touchpad in the console, you have to
+	  say N for now.
+
 config MOUSE_SERIAL
 	tristate "Serial mouse"
 	depends on INPUT && INPUT_MOUSE && SERIO

drivers/input/mouse/psmouse-base.c

@@ -17,6 +17,7 @@
 #include <linux/input.h>
 #include <linux/serio.h>
 #include <linux/init.h>
+#include <linux/pm.h>
 #include "psmouse.h"
 #include "synaptics.h"
 #include "logips2pp.h"
@@ -29,6 +30,8 @@ MODULE_PARM(psmouse_resolution, "i");
 MODULE_PARM_DESC(psmouse_resolution, "Resolution, in dpi.");
 MODULE_PARM(psmouse_smartscroll, "i");
 MODULE_PARM_DESC(psmouse_smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled.");
+MODULE_PARM(psmouse_resetafter, "i");
+MODULE_PARM_DESC(psmouse_resetafter, "Reset Synaptics Touchpad after so many bad packets (0 = never).");
 MODULE_LICENSE("GPL");
 
 #define PSMOUSE_LOGITECH_SMARTSCROLL	1
@@ -36,11 +39,12 @@ MODULE_LICENSE("GPL");
 static int psmouse_noext;
 int psmouse_resolution;
 int psmouse_smartscroll = PSMOUSE_LOGITECH_SMARTSCROLL;
+unsigned int psmouse_resetafter;
 
-static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2", "Synaptics"};
+static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2"};
 
 /*
- * psmouse_process_packet() anlyzes the PS/2 mouse packet contents and
+ * psmouse_process_packet() analyzes the PS/2 mouse packet contents and
  * reports relevant events to the input module.
  */
 
@@ -108,6 +112,9 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
 {
 	struct psmouse *psmouse = serio->private;
 
+	if (psmouse->state == PSMOUSE_IGNORE)
+		goto out;
+
 	if (psmouse->acking) {
 		switch (data) {
 			case PSMOUSE_RET_ACK:
@@ -132,20 +139,35 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
 	}
 
 	if (psmouse->pktcnt && time_after(jiffies, psmouse->last + HZ/2)) {
-		printk(KERN_WARNING "psmouse.c: Lost synchronization, throwing %d bytes away.\n", psmouse->pktcnt);
+		printk(KERN_WARNING "psmouse.c: %s at %s lost synchronization, throwing %d bytes away.\n",
+		       psmouse->name, psmouse->phys, psmouse->pktcnt);
 		psmouse->pktcnt = 0;
 	}
 	
 	psmouse->last = jiffies;
 	psmouse->packet[psmouse->pktcnt++] = data;
 
-	if (psmouse->pktcnt == 3 + (psmouse->type >= PSMOUSE_GENPS)) {
-		psmouse_process_packet(psmouse, regs);
-		psmouse->pktcnt = 0;
-		goto out;
+	if (psmouse->packet[0] == PSMOUSE_RET_BAT) {
+		if (psmouse->pktcnt == 1)
+			goto out;
+		
+		if (psmouse->pktcnt == 2) {
+			if (psmouse->packet[1] == PSMOUSE_RET_ID) {
+				psmouse->state = PSMOUSE_IGNORE;
+				serio_rescan(serio);
+				goto out;
+			}
+			if (psmouse->type == PSMOUSE_SYNAPTICS) {
+				/* neither 0xAA nor 0x00 are valid first bytes
+				 * for a packet in absolute mode
+				 */
+				psmouse->pktcnt = 0;
+				goto out;
+			}
+		}
 	}
 
-	if (psmouse->pktcnt == 1 && psmouse->type == PSMOUSE_SYNAPTICS) {
+	if (psmouse->type == PSMOUSE_SYNAPTICS) {
 		/*
 		 * The synaptics driver has its own resync logic,
 		 * so it needs to receive all bytes one at a time.
@@ -155,8 +177,9 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
 		goto out;
 	}
 
-	if (psmouse->pktcnt == 1 && psmouse->packet[0] == PSMOUSE_RET_BAT) {
-		serio_rescan(serio);
+	if (psmouse->pktcnt == 3 + (psmouse->type >= PSMOUSE_GENPS)) {
+		psmouse_process_packet(psmouse, regs);
+		psmouse->pktcnt = 0;
 		goto out;
 	}
 out:
@@ -200,7 +223,7 @@ int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command)
 	psmouse->cmdcnt = receive;
 
 	if (command == PSMOUSE_CMD_RESET_BAT)
-                timeout = 2000000; /* 2 sec */
+                timeout = 4000000; /* 4 sec */
 
 	if (command & 0xff)
 		if (psmouse_sendbyte(psmouse, command & 0xff))
@@ -227,7 +250,7 @@ int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command)
 	for (i = 0; i < receive; i++)
 		param[i] = psmouse->cmdbuf[(receive - 1) - i];
 
-	if (psmouse->cmdcnt) 
+	if (psmouse->cmdcnt)
 		return (psmouse->cmdcnt = 0) - 1;
 
 	return 0;
@@ -450,14 +473,18 @@ static void psmouse_initialize(struct psmouse *psmouse)
  */
 
 	psmouse_command(psmouse, param, PSMOUSE_CMD_SETSTREAM);
+}
 
 /*
- * Last, we enable the mouse so that we get reports from it.
+ * psmouse_activate() enables the mouse so that we get motion reports from it.
  */
 
+static void psmouse_activate(struct psmouse *psmouse)
+{
 	if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_ENABLE))
 		printk(KERN_WARNING "psmouse.c: Failed to enable mouse on %s\n", psmouse->serio->phys);
 
+	psmouse->state = PSMOUSE_ACTIVATED;
 }
 
 /*
@@ -478,12 +505,38 @@ static void psmouse_cleanup(struct serio *serio)
 static void psmouse_disconnect(struct serio *serio)
 {
 	struct psmouse *psmouse = serio->private;
+
+	psmouse->state = PSMOUSE_IGNORE;
+	synaptics_disconnect(psmouse);
 	input_unregister_device(&psmouse->dev);
 	serio_close(serio);
-	synaptics_disconnect(psmouse);
 	kfree(psmouse);
 }
 
+/*
+ * Reinitialize mouse hardware after software suspend.
+ */
+
+static int psmouse_pm_callback(struct pm_dev *dev, pm_request_t request, void *data)
+{
+	struct psmouse *psmouse = dev->data;
+	struct serio_dev *ser_dev = psmouse->serio->dev;
+
+	synaptics_disconnect(psmouse);
+
+	/* We need to reopen the serio port to reinitialize the i8042 controller */
+	serio_close(psmouse->serio);
+	serio_open(psmouse->serio, ser_dev);
+
+	/* Probe and re-initialize the mouse */
+	psmouse_probe(psmouse);
+	psmouse_initialize(psmouse);
+	synaptics_pt_init(psmouse);
+	psmouse_activate(psmouse);
+
+	return 0;
+}
+
 /*
  * psmouse_connect() is a callback from the serio module when
  * an unhandled serio port is found.
@@ -492,8 +545,10 @@ static void psmouse_disconnect(struct serio *serio)
 static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
 {
 	struct psmouse *psmouse;
+	struct pm_dev *pmdev;
 	
-	if ((serio->type & SERIO_TYPE) != SERIO_8042)
+	if ((serio->type & SERIO_TYPE) != SERIO_8042 &&
+	    (serio->type & SERIO_TYPE) != SERIO_PS_PSTHRU)
 		return;
 
 	if (!(psmouse = kmalloc(sizeof(struct psmouse), GFP_KERNEL)))
@@ -506,6 +561,7 @@ static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
 	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_NEW_DEVICE;
 	psmouse->serio = serio;
 	psmouse->dev.private = psmouse;
 
@@ -522,6 +578,12 @@ static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
 		return;
 	}
 	
+	pmdev = pm_register(PM_SYS_DEV, PM_SYS_UNKNOWN, psmouse_pm_callback);
+	if (pmdev) {
+		psmouse->dev.pm_dev = pmdev;
+		pmdev->data = psmouse;
+	}
+
 	sprintf(psmouse->devname, "%s %s %s",
 		psmouse_protocols[psmouse->type], psmouse->vendor, psmouse->name);
 	sprintf(psmouse->phys, "%s/input0",
@@ -539,6 +601,10 @@ static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
 	printk(KERN_INFO "input: %s on %s\n", psmouse->devname, serio->phys);
 
 	psmouse_initialize(psmouse);
+
+	synaptics_pt_init(psmouse);
+
+	psmouse_activate(psmouse);
 }
 
 static struct serio_dev psmouse_dev = {
@@ -567,9 +633,16 @@ static int __init psmouse_smartscroll_setup(char *str)
 	return 1;
 }
 
+static int __init psmouse_resetafter_setup(char *str)
+{
+	get_option(&str, &psmouse_resetafter);
+	return 1;
+}
+
 __setup("psmouse_noext", psmouse_noext_setup);
 __setup("psmouse_resolution=", psmouse_resolution_setup);
 __setup("psmouse_smartscroll=", psmouse_smartscroll_setup);
+__setup("psmouse_resetafter=", psmouse_resetafter_setup);
 
 #endif
 

drivers/input/mouse/psmouse.h

@@ -13,9 +13,15 @@
 #define PSMOUSE_CMD_RESET_BAT	0x02ff
 
 #define PSMOUSE_RET_BAT		0xaa
+#define PSMOUSE_RET_ID		0x00
 #define PSMOUSE_RET_ACK		0xfa
 #define PSMOUSE_RET_NAK		0xfe
 
+/* psmouse states */
+#define PSMOUSE_NEW_DEVICE	0
+#define PSMOUSE_ACTIVATED	1
+#define PSMOUSE_IGNORE		2
+
 struct psmouse {
 	void *private;
 	struct input_dev dev;
@@ -29,6 +35,7 @@ struct psmouse {
 	unsigned char type;
 	unsigned char model;
 	unsigned long last;
+	unsigned char state;
 	char acking;
 	volatile char ack;
 	char error;
@@ -36,16 +43,17 @@ struct psmouse {
 	char phys[32];
 };
 
-#define PSMOUSE_PS2	1
-#define PSMOUSE_PS2PP	2
-#define PSMOUSE_PS2TPP	3
-#define PSMOUSE_GENPS	4
-#define PSMOUSE_IMPS	5
-#define PSMOUSE_IMEX	6
-#define PSMOUSE_SYNAPTICS 7
+#define PSMOUSE_PS2		1
+#define PSMOUSE_PS2PP		2
+#define PSMOUSE_PS2TPP		3
+#define PSMOUSE_GENPS		4
+#define PSMOUSE_IMPS		5
+#define PSMOUSE_IMEX		6
+#define PSMOUSE_SYNAPTICS 	7
 
 int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command);
 
 extern int psmouse_smartscroll;
+extern unsigned int psmouse_resetafter;
 
 #endif /* _PSMOUSE_H */

drivers/input/mouse/synaptics.h

@@ -12,6 +12,7 @@
 
 extern void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs);
 extern int synaptics_init(struct psmouse *psmouse);
+extern int synaptics_pt_init(struct psmouse *psmouse);
 extern void synaptics_disconnect(struct psmouse *psmouse);
 
 /* synaptics queries */
@@ -22,12 +23,14 @@ extern void synaptics_disconnect(struct psmouse *psmouse);
 #define SYN_QUE_SERIAL_NUMBER_PREFIX	0x06
 #define SYN_QUE_SERIAL_NUMBER_SUFFIX	0x07
 #define SYN_QUE_RESOLUTION		0x08
+#define SYN_QUE_EXT_CAPAB		0x09
 
 /* synatics modes */
 #define SYN_BIT_ABSOLUTE_MODE		(1 << 7)
 #define SYN_BIT_HIGH_RATE		(1 << 6)
 #define SYN_BIT_SLEEP_MODE		(1 << 3)
 #define SYN_BIT_DISABLE_GESTURE		(1 << 2)
+#define SYN_BIT_FOUR_BYTE_CLIENT	(1 << 1)
 #define SYN_BIT_W_MODE			(1 << 0)
 
 /* synaptics model ID bits */
@@ -42,11 +45,14 @@ extern void synaptics_disconnect(struct psmouse *psmouse);
 
 /* synaptics capability bits */
 #define SYN_CAP_EXTENDED(c)		((c) & (1 << 23))
+#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_CAP_MULTI_BUTTON_NO(ec)	(((ec) & 0x00f000) >> 12)
 
 /* synaptics modes query bits */
 #define SYN_MODE_ABSOLUTE(m)		((m) & (1 << 7))
@@ -62,6 +68,10 @@ extern void synaptics_disconnect(struct psmouse *psmouse);
 #define SYN_ID_MINOR(i) 		(((i) >> 16) & 0xff)
 #define SYN_ID_IS_SYNAPTICS(i)		((((i) >> 8) & 0xff) == 0x47)
 
+/* synaptics special commands */
+#define SYN_PS_SET_MODE2		0x14
+#define SYN_PS_CLIENT_CMD		0x28
+
 /*
  * A structure to describe the state of the touchpad hardware (buttons and pad)
  */
@@ -75,21 +85,28 @@ struct synaptics_hw_state {
 	int right;
 	int up;
 	int down;
+	int b0;
+	int b1;
+	int b2;
+	int b3;
+	int b4;
+	int b5;
+	int b6;
+	int b7;
 };
 
 struct synaptics_data {
 	/* Data read from the touchpad */
 	unsigned long int model_id;		/* Model-ID */
 	unsigned long int capabilities; 	/* Capabilities */
+	unsigned long int ext_cap; 		/* Extended Capabilities */
 	unsigned long int identity;		/* Identification */
 
 	/* Data for normal processing */
-	unsigned char proto_buf[6];		/* Buffer for Packet */
-	unsigned char last_byte;		/* last received byte */
-	int inSync;				/* Packets in sync */
-	int proto_buf_tail;
-
+	unsigned int out_of_sync;		/* # of packets out of sync */
 	int old_w;				/* Previous w value */
+	
+	struct serio *ptport;			/* pass-through port */
 };
 
 #endif /* _SYNAPTICS_H */

drivers/input/serio/serio.c

@@ -49,7 +49,9 @@ MODULE_LICENSE("GPL");
 
 EXPORT_SYMBOL(serio_interrupt);
 EXPORT_SYMBOL(serio_register_port);
+EXPORT_SYMBOL(serio_register_slave_port);
 EXPORT_SYMBOL(serio_unregister_port);
+EXPORT_SYMBOL(serio_unregister_slave_port);
 EXPORT_SYMBOL(serio_register_device);
 EXPORT_SYMBOL(serio_unregister_device);
 EXPORT_SYMBOL(serio_open);
@@ -166,6 +168,17 @@ void serio_register_port(struct serio *serio)
 	up(&serio_sem);
 }
 
+/*
+ * Same as serio_register_port but does not try to acquire serio_sem.
+ * Should be used when registering a serio from other input device's
+ * connect() function.
+ */
+void serio_register_slave_port(struct serio *serio)
+{
+	list_add_tail(&serio->node, &serio_list);
+	serio_find_dev(serio);
+}
+
 void serio_unregister_port(struct serio *serio)
 {
 	down(&serio_sem);
@@ -175,6 +188,18 @@ void serio_unregister_port(struct serio *serio)
 	up(&serio_sem);
 }
 
+/*
+ * Same as serio_unregister_port but does not try to acquire serio_sem.
+ * Should be used when unregistering a serio from other input device's
+ * disconnect() function.
+ */
+void serio_unregister_slave_port(struct serio *serio)
+{
+	list_del_init(&serio->node);
+	if (serio->dev && serio->dev->disconnect)
+		serio->dev->disconnect(serio);
+}
+
 void serio_register_device(struct serio_dev *dev)
 {
 	struct serio *serio;
@@ -204,9 +229,11 @@ void serio_unregister_device(struct serio_dev *dev)
 /* called from serio_dev->connect/disconnect methods under serio_sem */
 int serio_open(struct serio *serio, struct serio_dev *dev)
 {
-	if (serio->open(serio))
-		return -1;
 	serio->dev = dev;
+	if (serio->open(serio)) {
+		serio->dev = NULL;
+		return -1;
+	}
 	return 0;
 }
 

include/linux/input.h

@@ -751,7 +751,7 @@ struct ff_effect {
 #define LONG(x) ((x)/BITS_PER_LONG)
 
 #define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
-	((dev->keycodesize == 1) ? ((u16*)dev->keycode)[scancode] : (((u32*)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)
 

include/linux/serio.h

@@ -65,7 +65,9 @@ void serio_rescan(struct serio *serio);
 irqreturn_t serio_interrupt(struct serio *serio, unsigned char data, unsigned int flags, struct pt_regs *regs);
 
 void serio_register_port(struct serio *serio);
+void serio_register_slave_port(struct serio *serio);
 void serio_unregister_port(struct serio *serio);
+void serio_unregister_slave_port(struct serio *serio);
 void serio_register_device(struct serio_dev *dev);
 void serio_unregister_device(struct serio_dev *dev);
 
@@ -104,6 +106,7 @@ static __inline__ void serio_cleanup(struct serio *serio)
 #define SERIO_RS232	0x02000000UL
 #define SERIO_HIL_MLC	0x03000000UL
 #define SERIO_PC9800	0x04000000UL
+#define SERIO_PS_PSTHRU	0x05000000UL
 
 #define SERIO_PROTO	0xFFUL
 #define SERIO_MSC	0x01