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Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/input.c87
-rw-r--r--drivers/input/keyboard/adp5588-keys.c74
-rw-r--r--drivers/input/keyboard/atkbd.c12
-rw-r--r--drivers/input/misc/pcf8574_keypad.c23
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h11
-rw-r--r--drivers/input/tablet/acecad.c3
6 files changed, 120 insertions, 90 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c
index d092ef9291d..7f26ca6ecf7 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -74,6 +74,7 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz)
* dev->event_lock held and interrupts disabled.
*/
static void input_pass_event(struct input_dev *dev,
+ struct input_handler *src_handler,
unsigned int type, unsigned int code, int value)
{
struct input_handler *handler;
@@ -92,6 +93,15 @@ static void input_pass_event(struct input_dev *dev,
continue;
handler = handle->handler;
+
+ /*
+ * If this is the handler that injected this
+ * particular event we want to skip it to avoid
+ * filters firing again and again.
+ */
+ if (handler == src_handler)
+ continue;
+
if (!handler->filter) {
if (filtered)
break;
@@ -121,7 +131,7 @@ static void input_repeat_key(unsigned long data)
if (test_bit(dev->repeat_key, dev->key) &&
is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
- input_pass_event(dev, EV_KEY, dev->repeat_key, 2);
+ input_pass_event(dev, NULL, EV_KEY, dev->repeat_key, 2);
if (dev->sync) {
/*
@@ -130,7 +140,7 @@ static void input_repeat_key(unsigned long data)
* Otherwise assume that the driver will send
* SYN_REPORT once it's done.
*/
- input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+ input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
}
if (dev->rep[REP_PERIOD])
@@ -163,6 +173,7 @@ static void input_stop_autorepeat(struct input_dev *dev)
#define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE)
static int input_handle_abs_event(struct input_dev *dev,
+ struct input_handler *src_handler,
unsigned int code, int *pval)
{
bool is_mt_event;
@@ -206,13 +217,15 @@ static int input_handle_abs_event(struct input_dev *dev,
/* Flush pending "slot" event */
if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
input_abs_set_val(dev, ABS_MT_SLOT, dev->slot);
- input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot);
+ input_pass_event(dev, src_handler,
+ EV_ABS, ABS_MT_SLOT, dev->slot);
}
return INPUT_PASS_TO_HANDLERS;
}
static void input_handle_event(struct input_dev *dev,
+ struct input_handler *src_handler,
unsigned int type, unsigned int code, int value)
{
int disposition = INPUT_IGNORE_EVENT;
@@ -265,7 +278,8 @@ static void input_handle_event(struct input_dev *dev,
case EV_ABS:
if (is_event_supported(code, dev->absbit, ABS_MAX))
- disposition = input_handle_abs_event(dev, code, &value);
+ disposition = input_handle_abs_event(dev, src_handler,
+ code, &value);
break;
@@ -323,7 +337,7 @@ static void input_handle_event(struct input_dev *dev,
dev->event(dev, type, code, value);
if (disposition & INPUT_PASS_TO_HANDLERS)
- input_pass_event(dev, type, code, value);
+ input_pass_event(dev, src_handler, type, code, value);
}
/**
@@ -352,7 +366,7 @@ void input_event(struct input_dev *dev,
spin_lock_irqsave(&dev->event_lock, flags);
add_input_randomness(type, code, value);
- input_handle_event(dev, type, code, value);
+ input_handle_event(dev, NULL, type, code, value);
spin_unlock_irqrestore(&dev->event_lock, flags);
}
}
@@ -382,7 +396,8 @@ void input_inject_event(struct input_handle *handle,
rcu_read_lock();
grab = rcu_dereference(dev->grab);
if (!grab || grab == handle)
- input_handle_event(dev, type, code, value);
+ input_handle_event(dev, handle->handler,
+ type, code, value);
rcu_read_unlock();
spin_unlock_irqrestore(&dev->event_lock, flags);
@@ -595,10 +610,10 @@ static void input_dev_release_keys(struct input_dev *dev)
for (code = 0; code <= KEY_MAX; code++) {
if (is_event_supported(code, dev->keybit, KEY_MAX) &&
__test_and_clear_bit(code, dev->key)) {
- input_pass_event(dev, EV_KEY, code, 0);
+ input_pass_event(dev, NULL, EV_KEY, code, 0);
}
}
- input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+ input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
}
}
@@ -873,9 +888,9 @@ int input_set_keycode(struct input_dev *dev,
!is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
__test_and_clear_bit(old_keycode, dev->key)) {
- input_pass_event(dev, EV_KEY, old_keycode, 0);
+ input_pass_event(dev, NULL, EV_KEY, old_keycode, 0);
if (dev->sync)
- input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+ input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
}
out:
@@ -1565,8 +1580,7 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
} \
} while (0)
-#ifdef CONFIG_PM
-static void input_dev_reset(struct input_dev *dev, bool activate)
+static void input_dev_toggle(struct input_dev *dev, bool activate)
{
if (!dev->event)
return;
@@ -1580,12 +1594,44 @@ static void input_dev_reset(struct input_dev *dev, bool activate)
}
}
+/**
+ * input_reset_device() - reset/restore the state of input device
+ * @dev: input device whose state needs to be reset
+ *
+ * This function tries to reset the state of an opened input device and
+ * bring internal state and state if the hardware in sync with each other.
+ * We mark all keys as released, restore LED state, repeat rate, etc.
+ */
+void input_reset_device(struct input_dev *dev)
+{
+ mutex_lock(&dev->mutex);
+
+ if (dev->users) {
+ input_dev_toggle(dev, true);
+
+ /*
+ * Keys that have been pressed at suspend time are unlikely
+ * to be still pressed when we resume.
+ */
+ spin_lock_irq(&dev->event_lock);
+ input_dev_release_keys(dev);
+ spin_unlock_irq(&dev->event_lock);
+ }
+
+ mutex_unlock(&dev->mutex);
+}
+EXPORT_SYMBOL(input_reset_device);
+
+#ifdef CONFIG_PM
static int input_dev_suspend(struct device *dev)
{
struct input_dev *input_dev = to_input_dev(dev);
mutex_lock(&input_dev->mutex);
- input_dev_reset(input_dev, false);
+
+ if (input_dev->users)
+ input_dev_toggle(input_dev, false);
+
mutex_unlock(&input_dev->mutex);
return 0;
@@ -1595,18 +1641,7 @@ static int input_dev_resume(struct device *dev)
{
struct input_dev *input_dev = to_input_dev(dev);
- mutex_lock(&input_dev->mutex);
- input_dev_reset(input_dev, true);
-
- /*
- * Keys that have been pressed at suspend time are unlikely
- * to be still pressed when we resume.
- */
- spin_lock_irq(&input_dev->event_lock);
- input_dev_release_keys(input_dev);
- spin_unlock_irq(&input_dev->event_lock);
-
- mutex_unlock(&input_dev->mutex);
+ input_reset_device(input_dev);
return 0;
}
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index b92d1cd5cba..af45d275f68 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -4,7 +4,7 @@
* I2C QWERTY Keypad and IO Expander
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
- * Copyright (C) 2008-2009 Analog Devices Inc.
+ * Copyright (C) 2008-2010 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
@@ -24,29 +24,6 @@
#include <linux/i2c/adp5588.h>
- /* Configuration Register1 */
-#define AUTO_INC (1 << 7)
-#define GPIEM_CFG (1 << 6)
-#define OVR_FLOW_M (1 << 5)
-#define INT_CFG (1 << 4)
-#define OVR_FLOW_IEN (1 << 3)
-#define K_LCK_IM (1 << 2)
-#define GPI_IEN (1 << 1)
-#define KE_IEN (1 << 0)
-
-/* Interrupt Status Register */
-#define CMP2_INT (1 << 5)
-#define CMP1_INT (1 << 4)
-#define OVR_FLOW_INT (1 << 3)
-#define K_LCK_INT (1 << 2)
-#define GPI_INT (1 << 1)
-#define KE_INT (1 << 0)
-
-/* Key Lock and Event Counter Register */
-#define K_LCK_EN (1 << 6)
-#define LCK21 0x30
-#define KEC 0xF
-
/* Key Event Register xy */
#define KEY_EV_PRESSED (1 << 7)
#define KEY_EV_MASK (0x7F)
@@ -55,10 +32,6 @@
#define KEYP_MAX_EVENT 10
-#define MAXGPIO 18
-#define ADP_BANK(offs) ((offs) >> 3)
-#define ADP_BIT(offs) (1u << ((offs) & 0x7))
-
/*
* Early pre 4.0 Silicon required to delay readout by at least 25ms,
* since the Event Counter Register updated 25ms after the interrupt
@@ -75,7 +48,7 @@ struct adp5588_kpad {
const struct adp5588_gpi_map *gpimap;
unsigned short gpimapsize;
#ifdef CONFIG_GPIOLIB
- unsigned char gpiomap[MAXGPIO];
+ unsigned char gpiomap[ADP5588_MAXGPIO];
bool export_gpio;
struct gpio_chip gc;
struct mutex gpio_lock; /* Protect cached dir, dat_out */
@@ -103,8 +76,8 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val)
static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
{
struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
- unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
- unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
return !!(adp5588_read(kpad->client, GPIO_DAT_STAT1 + bank) & bit);
}
@@ -113,8 +86,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
unsigned off, int val)
{
struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
- unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
- unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
mutex_lock(&kpad->gpio_lock);
@@ -132,8 +105,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
{
struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
- unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
- unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
int ret;
mutex_lock(&kpad->gpio_lock);
@@ -150,8 +123,8 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip,
unsigned off, int val)
{
struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
- unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
- unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
int ret;
mutex_lock(&kpad->gpio_lock);
@@ -176,7 +149,7 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip,
static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad,
const struct adp5588_kpad_platform_data *pdata)
{
- bool pin_used[MAXGPIO];
+ bool pin_used[ADP5588_MAXGPIO];
int n_unused = 0;
int i;
@@ -191,7 +164,7 @@ static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad,
for (i = 0; i < kpad->gpimapsize; i++)
pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true;
- for (i = 0; i < MAXGPIO; i++)
+ for (i = 0; i < ADP5588_MAXGPIO; i++)
if (!pin_used[i])
kpad->gpiomap[n_unused++] = i;
@@ -234,7 +207,7 @@ static int __devinit adp5588_gpio_add(struct adp5588_kpad *kpad)
return error;
}
- for (i = 0; i <= ADP_BANK(MAXGPIO); i++) {
+ for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
kpad->dat_out[i] = adp5588_read(kpad->client,
GPIO_DAT_OUT1 + i);
kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i);
@@ -318,11 +291,11 @@ static void adp5588_work(struct work_struct *work)
status = adp5588_read(client, INT_STAT);
- if (status & OVR_FLOW_INT) /* Unlikely and should never happen */
+ if (status & ADP5588_OVR_FLOW_INT) /* Unlikely and should never happen */
dev_err(&client->dev, "Event Overflow Error\n");
- if (status & KE_INT) {
- ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & KEC;
+ if (status & ADP5588_KE_INT) {
+ ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & ADP5588_KEC;
if (ev_cnt) {
adp5588_report_events(kpad, ev_cnt);
input_sync(kpad->input);
@@ -360,7 +333,7 @@ static int __devinit adp5588_setup(struct i2c_client *client)
if (pdata->en_keylock) {
ret |= adp5588_write(client, UNLOCK1, pdata->unlock_key1);
ret |= adp5588_write(client, UNLOCK2, pdata->unlock_key2);
- ret |= adp5588_write(client, KEY_LCK_EC_STAT, K_LCK_EN);
+ ret |= adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN);
}
for (i = 0; i < KEYP_MAX_EVENT; i++)
@@ -384,7 +357,7 @@ static int __devinit adp5588_setup(struct i2c_client *client)
}
if (gpio_data) {
- for (i = 0; i <= ADP_BANK(MAXGPIO); i++) {
+ for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
int pull_mask = gpio_data->pullup_dis_mask;
ret |= adp5588_write(client, GPIO_PULL1 + i,
@@ -392,11 +365,14 @@ static int __devinit adp5588_setup(struct i2c_client *client)
}
}
- ret |= adp5588_write(client, INT_STAT, CMP2_INT | CMP1_INT |
- OVR_FLOW_INT | K_LCK_INT |
- GPI_INT | KE_INT); /* Status is W1C */
+ ret |= adp5588_write(client, INT_STAT,
+ ADP5588_CMP2_INT | ADP5588_CMP1_INT |
+ ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT |
+ ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */
- ret |= adp5588_write(client, CFG, INT_CFG | OVR_FLOW_IEN | KE_IEN);
+ ret |= adp5588_write(client, CFG, ADP5588_INT_CFG |
+ ADP5588_OVR_FLOW_IEN |
+ ADP5588_KE_IEN);
if (ret < 0) {
dev_err(&client->dev, "Write Error\n");
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index d358ef8623f..11478eb2c27 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -63,6 +63,10 @@ static bool atkbd_extra;
module_param_named(extra, atkbd_extra, bool, 0);
MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards");
+static bool atkbd_terminal;
+module_param_named(terminal, atkbd_terminal, bool, 0);
+MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2");
+
/*
* Scancode to keycode tables. These are just the default setting, and
* are loadable via a userland utility.
@@ -136,7 +140,8 @@ static const unsigned short atkbd_unxlate_table[128] = {
#define ATKBD_CMD_ENABLE 0x00f4
#define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */
#define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */
-#define ATKBD_CMD_SETALL_MBR 0x00fa
+#define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */
+#define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */
#define ATKBD_CMD_RESET_BAT 0x02ff
#define ATKBD_CMD_RESEND 0x00fe
#define ATKBD_CMD_EX_ENABLE 0x10ea
@@ -764,6 +769,11 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra
}
}
+ if (atkbd_terminal) {
+ ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB);
+ return 3;
+ }
+
if (target_set != 3)
return 2;
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index 4b42ffc0532..d1583aea172 100644
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -127,14 +127,6 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2
idev->id.product = 0x0001;
idev->id.version = 0x0100;
- input_set_drvdata(idev, lp);
-
- ret = input_register_device(idev);
- if (ret) {
- dev_err(&client->dev, "input_register_device() failed\n");
- goto fail_register;
- }
-
lp->laststate = read_state(lp);
ret = request_threaded_irq(client->irq, NULL, pcf8574_kp_irq_handler,
@@ -142,16 +134,21 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2
DRV_NAME, lp);
if (ret) {
dev_err(&client->dev, "IRQ %d is not free\n", client->irq);
- goto fail_irq;
+ goto fail_free_device;
+ }
+
+ ret = input_register_device(idev);
+ if (ret) {
+ dev_err(&client->dev, "input_register_device() failed\n");
+ goto fail_free_irq;
}
i2c_set_clientdata(client, lp);
return 0;
- fail_irq:
- input_unregister_device(idev);
- fail_register:
- input_set_drvdata(idev, NULL);
+ fail_free_irq:
+ free_irq(client->irq, lp);
+ fail_free_device:
input_free_device(idev);
fail_allocate:
kfree(lp);
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index ed7ad7416b2..a5475b57708 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -351,6 +351,17 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
},
},
{
+ /*
+ * Most (all?) VAIOs do not have external PS/2 ports nor
+ * they implement active multiplexing properly, and
+ * MUX discovery usually messes up keyboard/touchpad.
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
+ },
+ },
+ {
/* Amoi M636/A737 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c
index aea9a9399a3..d94f7e9aa99 100644
--- a/drivers/input/tablet/acecad.c
+++ b/drivers/input/tablet/acecad.c
@@ -229,12 +229,13 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
err = input_register_device(acecad->input);
if (err)
- goto fail2;
+ goto fail3;
usb_set_intfdata(intf, acecad);
return 0;
+ fail3: usb_free_urb(acecad->irq);
fail2: usb_free_coherent(dev, 8, acecad->data, acecad->data_dma);
fail1: input_free_device(input_dev);
kfree(acecad);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 10:39:46 +0000