input: Manual merge with Dmitry.

6 files changed, 68 insertions, 20 deletions

diff --git a/drivers/input/mouse/98busmouse.c b/drivers/input/mouse/98busmouse.c
index 94a4882e60a8..fed160f4cd22 100644
--- a/drivers/input/mouse/98busmouse.c
+++ b/drivers/input/mouse/98busmouse.c
@@ -74,6 +74,8 @@ static int pc98bm_irq = PC98BM_IRQ;
 module_param_named(irq, pc98bm_irq, uint, 0);
 MODULE_PARM_DESC(irq, "IRQ number (13=default)");
 
+__obsolete_setup("pc98bm_irq=");
+
 static int pc98bm_used = 0;
 
 static irqreturn_t pc98bm_interrupt(int irq, void *dev_id, struct pt_regs *regs);
diff --git a/drivers/input/mouse/inport.c b/drivers/input/mouse/inport.c
index c6ff4b49d4bb..ca4e96886627 100644
--- a/drivers/input/mouse/inport.c
+++ b/drivers/input/mouse/inport.c
@@ -85,6 +85,8 @@ static int inport_irq = INPORT_IRQ;
 module_param_named(irq, inport_irq, uint, 0);
 MODULE_PARM_DESC(irq, "IRQ number (5=default)");
 
+__obsolete_setup("inport_irq=");
+
 static int inport_used;
 
 static irqreturn_t inport_interrupt(int irq, void *dev_id, struct pt_regs *regs);
diff --git a/drivers/input/mouse/logibm.c b/drivers/input/mouse/logibm.c
index 6b972dd26735..77eb83e87f61 100644
--- a/drivers/input/mouse/logibm.c
+++ b/drivers/input/mouse/logibm.c
@@ -75,6 +75,8 @@ static int logibm_irq = LOGIBM_IRQ;
 module_param_named(irq, logibm_irq, uint, 0);
 MODULE_PARM_DESC(irq, "IRQ number (5=default)");
 
+__obsolete_setup("logibm_irq=");
+
 static int logibm_used = 0;
 
 static irqreturn_t logibm_interrupt(int irq, void *dev_id, struct pt_regs *regs);
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 19ab40865600..dd52a465a61c 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -47,6 +47,12 @@ 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).");
 
+__obsolete_setup("psmouse_noext");
+__obsolete_setup("psmouse_resolution=");
+__obsolete_setup("psmouse_smartscroll=");
+__obsolete_setup("psmouse_resetafter=");
+__obsolete_setup("psmouse_rate=");
+
 static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "PS2T++", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2"};
 
 /*
@@ -163,14 +169,14 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
 		       psmouse->name, psmouse->phys, psmouse->pktcnt);
 		psmouse->pktcnt = 0;
 	}
-	
+
 	psmouse->last = jiffies;
 	psmouse->packet[psmouse->pktcnt++] = data;
 
 	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;
@@ -258,7 +264,7 @@ int psmouse_command(struct psmouse *psmouse, unsigned char *param, int command)
 			return (psmouse->cmdcnt = 0) - 1;
 
 	while (psmouse->cmdcnt && timeout--) {
-	
+
 		if (psmouse->cmdcnt == 1 && command == PSMOUSE_CMD_RESET_BAT &&
 				timeout > 100000) /* do not run in a endless loop */
 			timeout = 100000; /* 1 sec */
@@ -442,7 +448,7 @@ static int psmouse_probe(struct psmouse *psmouse)
  */
 
 	if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_RESET_DIS))
-		return -1;
+		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
@@ -497,7 +503,7 @@ static void psmouse_set_rate(struct psmouse *psmouse)
 static void psmouse_initialize(struct psmouse *psmouse)
 {
 	unsigned char param[2];
-	
+
 /*
  * We set the mouse report rate, resolution and scaling.
  */
@@ -571,7 +577,7 @@ static void psmouse_disconnect(struct serio *serio)
 static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
 {
 	struct psmouse *psmouse;
-	
+
 	if ((serio->type & SERIO_TYPE) != SERIO_8042 &&
 	    (serio->type & SERIO_TYPE) != SERIO_PS_PSTHRU)
 		return;
@@ -603,7 +609,7 @@ static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
 		serio->private = NULL;
 		return;
 	}
-	
+
 	sprintf(psmouse->devname, "%s %s %s",
 		psmouse_protocols[psmouse->type], psmouse->vendor, psmouse->name);
 	sprintf(psmouse->phys, "%s/input0",
@@ -617,7 +623,7 @@ static void psmouse_connect(struct serio *serio, struct serio_dev *dev)
 	psmouse->dev.id.version = psmouse->model;
 
 	input_register_device(&psmouse->dev);
-	
+
 	printk(KERN_INFO "input: %s on %s\n", psmouse->devname, serio->phys);
 
 	psmouse_initialize(psmouse);
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index a41d90f55cb4..2894ea1bba30 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -435,6 +435,8 @@ int synaptics_init(struct psmouse *psmouse)
 		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);
 
@@ -602,19 +604,42 @@ static void synaptics_process_packet(struct psmouse *psmouse)
 	input_sync(dev);
 }
 
-static int synaptics_validate_byte(struct psmouse *psmouse)
+static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned char pkt_type)
 {
-	static unsigned char newabs_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 };
-	static unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 };
-	static unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
-	static unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 };
-	struct synaptics_data *priv = psmouse->private;
-	int idx = psmouse->pktcnt - 1;
+	static unsigned char newabs_mask[]	= { 0xC8, 0x00, 0x00, 0xC8, 0x00 };
+	static unsigned char newabs_rel_mask[]	= { 0xC0, 0x00, 0x00, 0xC0, 0x00 };
+	static unsigned char newabs_rslt[]	= { 0x80, 0x00, 0x00, 0xC0, 0x00 };
+	static unsigned char oldabs_mask[]	= { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
+	static unsigned char oldabs_rslt[]	= { 0xC0, 0x00, 0x00, 0x80, 0x00 };
 
-	if (SYN_MODEL_NEWABS(priv->model_id))
-		return (psmouse->packet[idx] & newabs_mask[idx]) == newabs_rslt[idx];
-	else
-		return (psmouse->packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx];
+	switch (pkt_type) {
+		case SYN_NEWABS:
+		case SYN_NEWABS_RELAXED:
+			return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx];
+
+		case SYN_NEWABS_STRICT:
+			return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx];
+
+		case SYN_OLDABS:
+			return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx];
+
+		default:
+			printk(KERN_ERR "synaptics: unknown packet type %d\n", pkt_type);
+			return 0;
+	}
+}
+
+static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse)
+{
+	int i;
+
+	for (i = 0; i < 5; i++)
+		if (!synaptics_validate_byte(psmouse->packet, i, SYN_NEWABS_STRICT)) {
+			printk(KERN_INFO "synaptics: using relaxed packet validation\n");
+			return SYN_NEWABS_RELAXED;
+		}
+
+	return SYN_NEWABS_STRICT;
 }
 
 void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
@@ -630,13 +655,17 @@ void synaptics_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
 			printk(KERN_NOTICE "Synaptics driver resynced.\n");
 		}
 
+		if (unlikely(priv->pkt_type == SYN_NEWABS))
+			priv->pkt_type = synaptics_detect_pkt_type(psmouse);
+
 		if (psmouse->ptport && psmouse->ptport->serio.dev && synaptics_is_pt_packet(psmouse->packet))
 			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)) {
+	} 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) {
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index dbb1a25aff4c..2b41ee0c1afc 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -70,6 +70,12 @@ extern int synaptics_init(struct psmouse *psmouse);
 #define SYN_PS_SET_MODE2		0x14
 #define SYN_PS_CLIENT_CMD		0x28
 
+/* synaptics packet types */
+#define SYN_NEWABS			0
+#define SYN_NEWABS_STRICT		1
+#define SYN_NEWABS_RELAXED		2
+#define SYN_OLDABS			3
+
 /*
  * A structure to describe the state of the touchpad hardware (buttons and pad)
  */
@@ -103,6 +109,7 @@ struct synaptics_data {
 	/* 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 */
 };
 
 #endif /* _SYNAPTICS_H */