Prepare input updates for 6.13 merge window.
handle = rcu_dereference(dev->grab);
if (handle) {
- count = handle->handler->events(handle, vals, count);
+ count = handle->handle_events(handle, vals, count);
} else {
list_for_each_entry_rcu(handle, &dev->h_list, d_node)
if (handle->open) {
- count = handle->handler->events(handle, vals,
- count);
+ count = handle->handle_events(handle, vals,
+ count);
if (!count)
break;
}
handle->open++;
+ if (handle->handler->passive_observer)
+ goto out;
+
if (dev->users++ || dev->inhibited) {
/*
* Device is already opened and/or inhibited,
__input_release_device(handle);
- if (!--dev->users && !dev->inhibited) {
- if (dev->poller)
- input_dev_poller_stop(dev->poller);
- if (dev->close)
- dev->close(dev);
+ if (!handle->handler->passive_observer) {
+ if (!--dev->users && !dev->inhibited) {
+ if (dev->poller)
+ input_dev_poller_stop(dev->poller);
+ if (dev->close)
+ dev->close(dev);
+ }
}
if (!--handle->open) {
return 0;
}
-/*
- * An implementation of input_handler's events() method that simply
- * invokes handler->event() method for each event one by one.
- */
-static unsigned int input_handler_events_default(struct input_handle *handle,
- struct input_value *vals,
- unsigned int count)
-{
- struct input_handler *handler = handle->handler;
- struct input_value *v;
-
- for (v = vals; v != vals + count; v++)
- handler->event(handle, v->type, v->code, v->value);
-
- return count;
-}
-
-/*
- * An implementation of input_handler's events() method that invokes
- * handler->filter() method for each event one by one and removes events
- * that were filtered out from the "vals" array.
- */
-static unsigned int input_handler_events_filter(struct input_handle *handle,
- struct input_value *vals,
- unsigned int count)
-{
- struct input_handler *handler = handle->handler;
- struct input_value *end = vals;
- struct input_value *v;
-
- for (v = vals; v != vals + count; v++) {
- if (handler->filter(handle, v->type, v->code, v->value))
- continue;
- if (end != v)
- *end = *v;
- end++;
- }
-
- return end - vals;
-}
-
-/*
- * An implementation of input_handler's events() method that does nothing.
- */
-static unsigned int input_handler_events_null(struct input_handle *handle,
- struct input_value *vals,
- unsigned int count)
-{
- return count;
-}
-
/**
* input_register_handler - register a new input handler
* @handler: handler to be registered
INIT_LIST_HEAD(&handler->h_list);
- if (handler->filter)
- handler->events = input_handler_events_filter;
- else if (handler->event)
- handler->events = input_handler_events_default;
- else if (!handler->events)
- handler->events = input_handler_events_null;
-
error = mutex_lock_interruptible(&input_mutex);
if (error)
return error;
}
EXPORT_SYMBOL(input_handler_for_each_handle);
+/*
+ * An implementation of input_handle's handle_events() method that simply
+ * invokes handler->event() method for each event one by one.
+ */
+static unsigned int input_handle_events_default(struct input_handle *handle,
+ struct input_value *vals,
+ unsigned int count)
+{
+ struct input_handler *handler = handle->handler;
+ struct input_value *v;
+
+ for (v = vals; v != vals + count; v++)
+ handler->event(handle, v->type, v->code, v->value);
+
+ return count;
+}
+
+/*
+ * An implementation of input_handle's handle_events() method that invokes
+ * handler->filter() method for each event one by one and removes events
+ * that were filtered out from the "vals" array.
+ */
+static unsigned int input_handle_events_filter(struct input_handle *handle,
+ struct input_value *vals,
+ unsigned int count)
+{
+ struct input_handler *handler = handle->handler;
+ struct input_value *end = vals;
+ struct input_value *v;
+
+ for (v = vals; v != vals + count; v++) {
+ if (handler->filter(handle, v->type, v->code, v->value))
+ continue;
+ if (end != v)
+ *end = *v;
+ end++;
+ }
+
+ return end - vals;
+}
+
+/*
+ * An implementation of input_handle's handle_events() method that does nothing.
+ */
+static unsigned int input_handle_events_null(struct input_handle *handle,
+ struct input_value *vals,
+ unsigned int count)
+{
+ return count;
+}
+
+/*
+ * Sets up appropriate handle->event_handler based on the input_handler
+ * associated with the handle.
+ */
+static void input_handle_setup_event_handler(struct input_handle *handle)
+{
+ struct input_handler *handler = handle->handler;
+
+ if (handler->filter)
+ handle->handle_events = input_handle_events_filter;
+ else if (handler->event)
+ handle->handle_events = input_handle_events_default;
+ else if (handler->events)
+ handle->handle_events = handler->events;
+ else
+ handle->handle_events = input_handle_events_null;
+}
+
/**
* input_register_handle - register a new input handle
* @handle: handle to register
struct input_dev *dev = handle->dev;
int error;
+ input_handle_setup_event_handler(handle);
/*
* We take dev->mutex here to prevent race with
* input_release_device().
{ 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
{ 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
{ 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
+ { 0x0db0, 0x1901, "Micro Star International Xbox360 Controller for Windows", 0, XTYPE_XBOX360 },
{ 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
{ 0x0e4c, 0x1103, "Radica Gamester Reflex", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX },
{ 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
{ 0x294b, 0x3404, "Snakebyte GAMEPAD RGB X", 0, XTYPE_XBOXONE },
{ 0x2dc8, 0x2000, "8BitDo Pro 2 Wired Controller fox Xbox", 0, XTYPE_XBOXONE },
{ 0x2dc8, 0x3106, "8BitDo Pro 2 Wired Controller", 0, XTYPE_XBOX360 },
+ { 0x2dc8, 0x310a, "8BitDo Ultimate 2C Wireless Controller", 0, XTYPE_XBOX360 },
{ 0x2e24, 0x0652, "Hyperkin Duke X-Box One pad", 0, XTYPE_XBOXONE },
{ 0x31e3, 0x1100, "Wooting One", 0, XTYPE_XBOX360 },
{ 0x31e3, 0x1200, "Wooting Two", 0, XTYPE_XBOX360 },
XPAD_XBOX360_VENDOR(0x07ff), /* Mad Catz Gamepad */
XPAD_XBOXONE_VENDOR(0x0b05), /* ASUS controllers */
XPAD_XBOX360_VENDOR(0x0c12), /* Zeroplus X-Box 360 controllers */
+ XPAD_XBOX360_VENDOR(0x0db0), /* Micro Star International X-Box 360 controllers */
XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f Xbox 360 controllers */
XPAD_XBOXONE_VENDOR(0x0e6f), /* 0x0e6f Xbox One controllers */
XPAD_XBOX360_VENDOR(0x0f0d), /* Hori controllers */
struct device *dev = &xpad->intf->dev;
int status = urb->status;
int error;
- unsigned long flags;
- spin_lock_irqsave(&xpad->odata_lock, flags);
+ guard(spinlock_irqsave)(&xpad->odata_lock);
switch (status) {
case 0:
xpad->irq_out_active = false;
}
}
-
- spin_unlock_irqrestore(&xpad->odata_lock, flags);
}
static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad,
{
struct xpad_output_packet *packet =
&xpad->out_packets[XPAD_OUT_CMD_IDX];
- unsigned long flags;
- int retval;
- spin_lock_irqsave(&xpad->odata_lock, flags);
+ guard(spinlock_irqsave)(&xpad->odata_lock);
packet->data[0] = 0x08;
packet->data[1] = 0x00;
/* Reset the sequence so we send out presence first */
xpad->last_out_packet = -1;
- retval = xpad_try_sending_next_out_packet(xpad);
-
- spin_unlock_irqrestore(&xpad->odata_lock, flags);
-
- return retval;
+ return xpad_try_sending_next_out_packet(xpad);
}
static int xpad_start_xbox_one(struct usb_xpad *xpad)
{
- unsigned long flags;
- int retval;
+ int error;
if (usb_ifnum_to_if(xpad->udev, GIP_WIRED_INTF_AUDIO)) {
/*
* Controller for Series X|S (0x20d6:0x200e) to report the
* guide button.
*/
- retval = usb_set_interface(xpad->udev,
- GIP_WIRED_INTF_AUDIO, 0);
- if (retval)
+ error = usb_set_interface(xpad->udev,
+ GIP_WIRED_INTF_AUDIO, 0);
+ if (error)
dev_warn(&xpad->dev->dev,
"unable to disable audio interface: %d\n",
- retval);
+ error);
}
- spin_lock_irqsave(&xpad->odata_lock, flags);
+ guard(spinlock_irqsave)(&xpad->odata_lock);
/*
* Begin the init sequence by attempting to send a packet.
* sending any packets from the output ring.
*/
xpad->init_seq = 0;
- retval = xpad_try_sending_next_out_packet(xpad);
-
- spin_unlock_irqrestore(&xpad->odata_lock, flags);
-
- return retval;
+ return xpad_try_sending_next_out_packet(xpad);
}
static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num)
{
- unsigned long flags;
struct xpad_output_packet *packet =
&xpad->out_packets[XPAD_OUT_CMD_IDX];
static const u8 mode_report_ack[] = {
0x00, GIP_CMD_VIRTUAL_KEY, GIP_OPT_INTERNAL, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00
};
- spin_lock_irqsave(&xpad->odata_lock, flags);
+ guard(spinlock_irqsave)(&xpad->odata_lock);
packet->len = sizeof(mode_report_ack);
memcpy(packet->data, mode_report_ack, packet->len);
/* Reset the sequence so we send out the ack now */
xpad->last_out_packet = -1;
xpad_try_sending_next_out_packet(xpad);
-
- spin_unlock_irqrestore(&xpad->odata_lock, flags);
}
#ifdef CONFIG_JOYSTICK_XPAD_FF
struct xpad_output_packet *packet = &xpad->out_packets[XPAD_OUT_FF_IDX];
__u16 strong;
__u16 weak;
- int retval;
- unsigned long flags;
if (effect->type != FF_RUMBLE)
return 0;
strong = effect->u.rumble.strong_magnitude;
weak = effect->u.rumble.weak_magnitude;
- spin_lock_irqsave(&xpad->odata_lock, flags);
+ guard(spinlock_irqsave)(&xpad->odata_lock);
switch (xpad->xtype) {
case XTYPE_XBOX:
dev_dbg(&xpad->dev->dev,
"%s - rumble command sent to unsupported xpad type: %d\n",
__func__, xpad->xtype);
- retval = -EINVAL;
- goto out;
+ return -EINVAL;
}
- retval = xpad_try_sending_next_out_packet(xpad);
-
- out:
- spin_unlock_irqrestore(&xpad->odata_lock, flags);
- return retval;
+ return xpad_try_sending_next_out_packet(xpad);
}
static int xpad_init_ff(struct usb_xpad *xpad)
{
struct xpad_output_packet *packet =
&xpad->out_packets[XPAD_OUT_LED_IDX];
- unsigned long flags;
command %= 16;
- spin_lock_irqsave(&xpad->odata_lock, flags);
+ guard(spinlock_irqsave)(&xpad->odata_lock);
switch (xpad->xtype) {
case XTYPE_XBOX360:
}
xpad_try_sending_next_out_packet(xpad);
-
- spin_unlock_irqrestore(&xpad->odata_lock, flags);
}
/*
static void xpad360w_poweroff_controller(struct usb_xpad *xpad)
{
- unsigned long flags;
struct xpad_output_packet *packet =
&xpad->out_packets[XPAD_OUT_CMD_IDX];
- spin_lock_irqsave(&xpad->odata_lock, flags);
+ guard(spinlock_irqsave)(&xpad->odata_lock);
packet->data[0] = 0x00;
packet->data[1] = 0x00;
/* Reset the sequence so we send out poweroff now */
xpad->last_out_packet = -1;
xpad_try_sending_next_out_packet(xpad);
-
- spin_unlock_irqrestore(&xpad->odata_lock, flags);
}
static int xpad360w_start_input(struct usb_xpad *xpad)
if (auto_poweroff && xpad->pad_present)
xpad360w_poweroff_controller(xpad);
} else {
- mutex_lock(&input->mutex);
+ guard(mutex)(&input->mutex);
+
if (input_device_enabled(input))
xpad_stop_input(xpad);
- mutex_unlock(&input->mutex);
}
xpad_stop_output(xpad);
{
struct usb_xpad *xpad = usb_get_intfdata(intf);
struct input_dev *input = xpad->dev;
- int retval = 0;
- if (xpad->xtype == XTYPE_XBOX360W) {
- retval = xpad360w_start_input(xpad);
- } else {
- mutex_lock(&input->mutex);
- if (input_device_enabled(input)) {
- retval = xpad_start_input(xpad);
- } else if (xpad->xtype == XTYPE_XBOXONE) {
- /*
- * Even if there are no users, we'll send Xbox One pads
- * the startup sequence so they don't sit there and
- * blink until somebody opens the input device again.
- */
- retval = xpad_start_xbox_one(xpad);
- }
- mutex_unlock(&input->mutex);
+ if (xpad->xtype == XTYPE_XBOX360W)
+ return xpad360w_start_input(xpad);
+
+ guard(mutex)(&input->mutex);
+
+ if (input_device_enabled(input))
+ return xpad_start_input(xpad);
+
+ if (xpad->xtype == XTYPE_XBOXONE) {
+ /*
+ * Even if there are no users, we'll send Xbox One pads
+ * the startup sequence so they don't sit there and
+ * blink until somebody opens the input device again.
+ */
+ return xpad_start_xbox_one(xpad);
}
- return retval;
+ return 0;
}
static struct usb_driver xpad_driver = {
struct adp5589_kpad *kpad = gpiochip_get_data(chip);
unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
+ int val;
- return !!(adp5589_read(kpad->client,
- kpad->var->reg(ADP5589_GPI_STATUS_A) + bank) &
- bit);
+ mutex_lock(&kpad->gpio_lock);
+ if (kpad->dir[bank] & bit)
+ val = kpad->dat_out[bank];
+ else
+ val = adp5589_read(kpad->client,
+ kpad->var->reg(ADP5589_GPI_STATUS_A) + bank);
+ mutex_unlock(&kpad->gpio_lock);
+
+ return !!(val & bit);
}
static void adp5589_gpio_set_value(struct gpio_chip *chip,
unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
- mutex_lock(&kpad->gpio_lock);
+ guard(mutex)(&kpad->gpio_lock);
if (val)
kpad->dat_out[bank] |= bit;
adp5589_write(kpad->client, kpad->var->reg(ADP5589_GPO_DATA_OUT_A) +
bank, kpad->dat_out[bank]);
-
- mutex_unlock(&kpad->gpio_lock);
}
static int adp5589_gpio_direction_input(struct gpio_chip *chip, unsigned off)
struct adp5589_kpad *kpad = gpiochip_get_data(chip);
unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
- int ret;
- mutex_lock(&kpad->gpio_lock);
+ guard(mutex)(&kpad->gpio_lock);
kpad->dir[bank] &= ~bit;
- ret = adp5589_write(kpad->client,
- kpad->var->reg(ADP5589_GPIO_DIRECTION_A) + bank,
- kpad->dir[bank]);
-
- mutex_unlock(&kpad->gpio_lock);
-
- return ret;
+ return adp5589_write(kpad->client,
+ kpad->var->reg(ADP5589_GPIO_DIRECTION_A) + bank,
+ kpad->dir[bank]);
}
static int adp5589_gpio_direction_output(struct gpio_chip *chip,
struct adp5589_kpad *kpad = gpiochip_get_data(chip);
unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
- int ret;
+ int error;
- mutex_lock(&kpad->gpio_lock);
+ guard(mutex)(&kpad->gpio_lock);
kpad->dir[bank] |= bit;
else
kpad->dat_out[bank] &= ~bit;
- ret = adp5589_write(kpad->client, kpad->var->reg(ADP5589_GPO_DATA_OUT_A)
- + bank, kpad->dat_out[bank]);
- ret |= adp5589_write(kpad->client,
- kpad->var->reg(ADP5589_GPIO_DIRECTION_A) + bank,
- kpad->dir[bank]);
+ error = adp5589_write(kpad->client,
+ kpad->var->reg(ADP5589_GPO_DATA_OUT_A) + bank,
+ kpad->dat_out[bank]);
+ if (error)
+ return error;
- mutex_unlock(&kpad->gpio_lock);
+ error = adp5589_write(kpad->client,
+ kpad->var->reg(ADP5589_GPIO_DIRECTION_A) + bank,
+ kpad->dir[bank]);
+ if (error)
+ return error;
- return ret;
+ return 0;
}
static int adp5589_build_gpiomap(struct adp5589_kpad *kpad,
static void adp5589_clear_config(void *data)
{
- struct i2c_client *client = data;
- struct adp5589_kpad *kpad = i2c_get_clientdata(client);
+ struct adp5589_kpad *kpad = data;
- adp5589_write(client, kpad->var->reg(ADP5589_GENERAL_CFG), 0);
+ adp5589_write(kpad->client, kpad->var->reg(ADP5589_GENERAL_CFG), 0);
}
static int adp5589_probe(struct i2c_client *client)
}
error = devm_add_action_or_reset(&client->dev, adp5589_clear_config,
- client);
+ kpad);
if (error)
return error;
if (error)
return error;
- i2c_set_clientdata(client, kpad);
-
dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
return 0;
}
* ORDERING IS IMPORTANT! The first match will be apllied and the rest ignored.
* This allows entries to overwrite vendor wide quirks on a per device basis.
* Where this is irrelevant, entries are sorted case sensitive by DMI_SYS_VENDOR
- * and/or DMI_BOARD_VENDOR to make it easier to avoid dublicate entries.
+ * and/or DMI_BOARD_VENDOR to make it easier to avoid duplicate entries.
*/
static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
{
},
.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
},
+ /*
+ * Some TongFang barebones have touchpad and/or keyboard issues after
+ * suspend fixable with nomux + reset + noloop + nopnp. Luckily, none of
+ * them have an external PS/2 port so this can safely be set for all of
+ * them.
+ * TongFang barebones come with board_vendor and/or system_vendor set to
+ * a different value for each individual reseller. The only somewhat
+ * universal way to identify them is by board_name.
+ */
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GM6XGxX"),
+ },
+ .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+ SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GMxXGxx"),
+ },
+ .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+ SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GMxXGxX"),
+ },
+ .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+ SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GMxHGxx"),
+ },
+ .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+ SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
+ },
/*
* A lot of modern Clevo barebones have touchpad and/or keyboard issues
* after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
}
}
+static void edt_ft5x06_exit_regmap(void *arg)
+{
+ struct edt_ft5x06_ts_data *data = arg;
+
+ if (!IS_ERR_OR_NULL(data->regmap))
+ regmap_exit(data->regmap);
+}
+
static void edt_ft5x06_disable_regulators(void *arg)
{
struct edt_ft5x06_ts_data *data = arg;
return PTR_ERR(tsdata->regmap);
}
+ /*
+ * We are not using devm_regmap_init_i2c() and instead install a
+ * custom action because we may replace regmap with M06-specific one
+ * and we need to make sure that it will not be released too early.
+ */
+ error = devm_add_action_or_reset(&client->dev, edt_ft5x06_exit_regmap,
+ tsdata);
+ if (error)
+ return error;
+
chip_data = device_get_match_data(&client->dev);
if (!chip_data)
chip_data = (const struct edt_i2c_chip_data *)id->driver_data;
}
/*
- * Check which sleep modes we can support. Power-off requieres the
+ * Check which sleep modes we can support. Power-off requires the
* reset-pin to ensure correct power-down/power-up behaviour. Start with
* the EDT_PMODE_POWEROFF test since this is the deepest possible sleep
* mode.
struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);
edt_ft5x06_ts_teardown_debugfs(tsdata);
- regmap_exit(tsdata->regmap);
}
static int edt_ft5x06_ts_suspend(struct device *dev)
* @start: starts handler for given handle. This function is called by
* input core right after connect() method and also when a process
* that "grabbed" a device releases it
+ * @passive_observer: set to %true by drivers only interested in observing
+ * data stream from devices if there are other users present. Such
+ * drivers will not result in starting underlying hardware device
+ * when input_open_device() is called for their handles
* @legacy_minors: set to %true by drivers using legacy minor ranges
* @minor: beginning of range of 32 legacy minors for devices this driver
* can provide
void (*disconnect)(struct input_handle *handle);
void (*start)(struct input_handle *handle);
+ bool passive_observer;
bool legacy_minors;
int minor;
const char *name;
* @name: name given to the handle by handler that created it
* @dev: input device the handle is attached to
* @handler: handler that works with the device through this handle
+ * @handle_events: event sequence handler. It is set up by the input core
+ * according to event handling method specified in the @handler. See
+ * input_handle_setup_event_handler().
+ * This method is being called by the input core with interrupts disabled
+ * and dev->event_lock spinlock held and so it may not sleep.
* @d_node: used to put the handle on device's list of attached handles
* @h_node: used to put the handle on handler's list of handles from which
* it gets events
*/
struct input_handle {
-
void *private;
int open;
struct input_dev *dev;
struct input_handler *handler;
+ unsigned int (*handle_events)(struct input_handle *handle,
+ struct input_value *vals,
+ unsigned int count);
+
struct list_head d_node;
struct list_head h_node;
};
projects / linux.git / commitdiff