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-rw-r--r--drivers/input/serio/Kconfig13
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h13
-rw-r--r--drivers/input/serio/i8042.c38
-rw-r--r--drivers/input/serio/libps2.c1
-rw-r--r--drivers/input/serio/serio_raw.c1
-rw-r--r--drivers/input/serio/serport.c1
6 files changed, 53 insertions, 14 deletions
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index c4b3fbd1a80..aa533ceffe3 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -4,7 +4,7 @@
config SERIO
tristate "Serial I/O support" if EMBEDDED || !X86
default y
- ---help---
+ help
Say Yes here if you have any input device that uses serial I/O to
communicate with the system. This includes the
* standard AT keyboard and PS/2 mouse *
@@ -22,7 +22,7 @@ config SERIO_I8042
tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86
default y
depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && !M68K && !BLACKFIN
- ---help---
+ help
i8042 is the chip over which the standard AT keyboard and PS/2
mouse are connected to the computer. If you use these devices,
you'll need to say Y here.
@@ -35,7 +35,7 @@ config SERIO_I8042
config SERIO_SERPORT
tristate "Serial port line discipline"
default y
- ---help---
+ help
Say Y here if you plan to use an input device (mouse, joystick,
tablet, 6dof) that communicates over the RS232 serial (COM) port.
@@ -49,7 +49,7 @@ config SERIO_SERPORT
config SERIO_CT82C710
tristate "ct82c710 Aux port controller"
depends on X86
- ---help---
+ help
Say Y here if you have a Texas Instruments TravelMate notebook
equipped with the ct82c710 chip and want to use a mouse connected
to the "QuickPort".
@@ -66,7 +66,7 @@ config SERIO_Q40KBD
config SERIO_PARKBD
tristate "Parallel port keyboard adapter"
depends on PARPORT
- ---help---
+ help
Say Y here if you built a simple parallel port adapter to attach
an additional AT keyboard, XT keyboard or PS/2 mouse.
@@ -124,7 +124,7 @@ config HP_SDC
tristate "HP System Device Controller i8042 Support"
depends on (GSC || HP300) && SERIO
default y
- ---help---
+ help
This option enables support for the "System Device
Controller", an i8042 carrying microcode to manage a
few miscellaneous devices on some Hewlett Packard systems.
@@ -168,6 +168,7 @@ config SERIO_MACEPS2
config SERIO_LIBPS2
tristate "PS/2 driver library" if EMBEDDED
+ depends on SERIO_I8042 || SERIO_I8042=n
help
Say Y here if you are using a driver for device connected
to a PS/2 port, such as PS/2 mouse or standard AT keyboard.
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index a39bc4eb902..a537925f765 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -327,6 +327,17 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
},
},
{
+ /*
+ * Reset and GET ID commands issued via KBD port are
+ * sometimes being delivered to AUX3.
+ */
+ .ident = "Sony Vaio FZ-240E",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
+ },
+ },
+ {
.ident = "Amoi M636/A737",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
@@ -661,7 +672,7 @@ static void i8042_pnp_exit(void)
static int __init i8042_pnp_init(void)
{
char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
- int pnp_data_busted = false;
+ bool pnp_data_busted = false;
int err;
#ifdef CONFIG_X86
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index bc56e52b945..1df02d25aca 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -609,6 +609,8 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id)
str = i8042_read_status();
if (str & I8042_STR_OBF) {
data = i8042_read_data();
+ dbg("%02x <- i8042 (aux_test_irq, %s)",
+ data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
if (i8042_irq_being_tested &&
data == 0xa5 && (str & I8042_STR_AUXDATA))
complete(&i8042_aux_irq_delivered);
@@ -750,6 +752,7 @@ static int __init i8042_check_aux(void)
* AUX IRQ was never delivered so we need to flush the controller to
* get rid of the byte we put there; otherwise keyboard may not work.
*/
+ dbg(" -- i8042 (aux irq test timeout)");
i8042_flush();
retval = -1;
}
@@ -833,17 +836,32 @@ static int i8042_controller_selftest(void)
static int i8042_controller_init(void)
{
unsigned long flags;
+ int n = 0;
+ unsigned char ctr[2];
/*
- * Save the CTR for restoral on unload / reboot.
+ * Save the CTR for restore on unload / reboot.
*/
- if (i8042_command(&i8042_ctr, I8042_CMD_CTL_RCTR)) {
- printk(KERN_ERR "i8042.c: Can't read CTR while initializing i8042.\n");
- return -EIO;
- }
+ do {
+ if (n >= 10) {
+ printk(KERN_ERR
+ "i8042.c: Unable to get stable CTR read.\n");
+ return -EIO;
+ }
+
+ if (n != 0)
+ udelay(50);
+
+ if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) {
+ printk(KERN_ERR
+ "i8042.c: Can't read CTR while initializing i8042.\n");
+ return -EIO;
+ }
- i8042_initial_ctr = i8042_ctr;
+ } while (n < 2 || ctr[0] != ctr[1]);
+
+ i8042_initial_ctr = i8042_ctr = ctr[0];
/*
* Disable the keyboard interface and interrupt.
@@ -892,6 +910,12 @@ static int i8042_controller_init(void)
return -EIO;
}
+/*
+ * Flush whatever accumulated while we were disabling keyboard port.
+ */
+
+ i8042_flush();
+
return 0;
}
@@ -911,7 +935,7 @@ static void i8042_controller_reset(void)
i8042_ctr |= I8042_CTR_KBDDIS | I8042_CTR_AUXDIS;
i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT);
- if (i8042_command(&i8042_initial_ctr, I8042_CMD_CTL_WCTR))
+ if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
printk(KERN_WARNING "i8042.c: Can't write CTR while resetting.\n");
/*
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 769ba65a585..f3876acc3e8 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -13,6 +13,7 @@
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/input.h>
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index b03009bb746..27fdaaffbb4 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -9,6 +9,7 @@
* the Free Software Foundation.
*/
+#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/poll.h>
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index b9694b6445d..6d345112bcb 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -15,6 +15,7 @@
#include <asm/uaccess.h>
#include <linux/kernel.h>
+#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/init.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 09:57:03 +0000