forked from Minki/linux
Merge branch 'next' into for-linus
Prepare second round of input updates for 4.13 merge window.
This commit is contained in:
Dmitry Torokhov
commit
dda5202b00
@ -48,6 +48,7 @@ struct gpio_button_data {
|
||||
spinlock_t lock;
|
||||
bool disabled;
|
||||
bool key_pressed;
|
||||
bool suspended;
|
||||
};
|
||||
|
||||
struct gpio_keys_drvdata {
|
||||
@ -396,8 +397,20 @@ static irqreturn_t gpio_keys_gpio_isr(int irq, void *dev_id)
|
||||
|
||||
BUG_ON(irq != bdata->irq);
|
||||
|
||||
if (bdata->button->wakeup)
|
||||
if (bdata->button->wakeup) {
|
||||
const struct gpio_keys_button *button = bdata->button;
|
||||
|
||||
pm_stay_awake(bdata->input->dev.parent);
|
||||
if (bdata->suspended &&
|
||||
(button->type == 0 || button->type == EV_KEY)) {
|
||||
/*
|
||||
* Simulate wakeup key press in case the key has
|
||||
* already released by the time we got interrupt
|
||||
* handler to run.
|
||||
*/
|
||||
input_report_key(bdata->input, button->code, 1);
|
||||
}
|
||||
}
|
||||
|
||||
mod_delayed_work(system_wq,
|
||||
&bdata->work,
|
||||
@ -855,6 +868,7 @@ static int __maybe_unused gpio_keys_suspend(struct device *dev)
|
||||
struct gpio_button_data *bdata = &ddata->data[i];
|
||||
if (bdata->button->wakeup)
|
||||
enable_irq_wake(bdata->irq);
|
||||
bdata->suspended = true;
|
||||
}
|
||||
} else {
|
||||
mutex_lock(&input->mutex);
|
||||
@ -878,6 +892,7 @@ static int __maybe_unused gpio_keys_resume(struct device *dev)
|
||||
struct gpio_button_data *bdata = &ddata->data[i];
|
||||
if (bdata->button->wakeup)
|
||||
disable_irq_wake(bdata->irq);
|
||||
bdata->suspended = false;
|
||||
}
|
||||
} else {
|
||||
mutex_lock(&input->mutex);
|
||||
|
||||
@ -17,6 +17,7 @@
|
||||
#include <linux/errno.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/input/mt.h>
|
||||
#include <linux/slab.h>
|
||||
|
||||
#include <asm/xen/hypervisor.h>
|
||||
@ -34,11 +35,14 @@
|
||||
struct xenkbd_info {
|
||||
struct input_dev *kbd;
|
||||
struct input_dev *ptr;
|
||||
struct input_dev *mtouch;
|
||||
struct xenkbd_page *page;
|
||||
int gref;
|
||||
int irq;
|
||||
struct xenbus_device *xbdev;
|
||||
char phys[32];
|
||||
/* current MT slot/contact ID we are injecting events in */
|
||||
int mtouch_cur_contact_id;
|
||||
};
|
||||
|
||||
enum { KPARAM_X, KPARAM_Y, KPARAM_CNT };
|
||||
@ -56,6 +60,112 @@ static void xenkbd_disconnect_backend(struct xenkbd_info *);
|
||||
* to do that.
|
||||
*/
|
||||
|
||||
static void xenkbd_handle_motion_event(struct xenkbd_info *info,
|
||||
struct xenkbd_motion *motion)
|
||||
{
|
||||
input_report_rel(info->ptr, REL_X, motion->rel_x);
|
||||
input_report_rel(info->ptr, REL_Y, motion->rel_y);
|
||||
if (motion->rel_z)
|
||||
input_report_rel(info->ptr, REL_WHEEL, -motion->rel_z);
|
||||
input_sync(info->ptr);
|
||||
}
|
||||
|
||||
static void xenkbd_handle_position_event(struct xenkbd_info *info,
|
||||
struct xenkbd_position *pos)
|
||||
{
|
||||
input_report_abs(info->ptr, ABS_X, pos->abs_x);
|
||||
input_report_abs(info->ptr, ABS_Y, pos->abs_y);
|
||||
if (pos->rel_z)
|
||||
input_report_rel(info->ptr, REL_WHEEL, -pos->rel_z);
|
||||
input_sync(info->ptr);
|
||||
}
|
||||
|
||||
static void xenkbd_handle_key_event(struct xenkbd_info *info,
|
||||
struct xenkbd_key *key)
|
||||
{
|
||||
struct input_dev *dev;
|
||||
|
||||
if (test_bit(key->keycode, info->ptr->keybit)) {
|
||||
dev = info->ptr;
|
||||
} else if (test_bit(key->keycode, info->kbd->keybit)) {
|
||||
dev = info->kbd;
|
||||
} else {
|
||||
pr_warn("unhandled keycode 0x%x\n", key->keycode);
|
||||
return;
|
||||
}
|
||||
|
||||
input_report_key(dev, key->keycode, key->pressed);
|
||||
input_sync(dev);
|
||||
}
|
||||
|
||||
static void xenkbd_handle_mt_event(struct xenkbd_info *info,
|
||||
struct xenkbd_mtouch *mtouch)
|
||||
{
|
||||
if (unlikely(!info->mtouch))
|
||||
return;
|
||||
|
||||
if (mtouch->contact_id != info->mtouch_cur_contact_id) {
|
||||
info->mtouch_cur_contact_id = mtouch->contact_id;
|
||||
input_mt_slot(info->mtouch, mtouch->contact_id);
|
||||
}
|
||||
|
||||
switch (mtouch->event_type) {
|
||||
case XENKBD_MT_EV_DOWN:
|
||||
input_mt_report_slot_state(info->mtouch, MT_TOOL_FINGER, true);
|
||||
/* fall through */
|
||||
|
||||
case XENKBD_MT_EV_MOTION:
|
||||
input_report_abs(info->mtouch, ABS_MT_POSITION_X,
|
||||
mtouch->u.pos.abs_x);
|
||||
input_report_abs(info->mtouch, ABS_MT_POSITION_Y,
|
||||
mtouch->u.pos.abs_y);
|
||||
break;
|
||||
|
||||
case XENKBD_MT_EV_SHAPE:
|
||||
input_report_abs(info->mtouch, ABS_MT_TOUCH_MAJOR,
|
||||
mtouch->u.shape.major);
|
||||
input_report_abs(info->mtouch, ABS_MT_TOUCH_MINOR,
|
||||
mtouch->u.shape.minor);
|
||||
break;
|
||||
|
||||
case XENKBD_MT_EV_ORIENT:
|
||||
input_report_abs(info->mtouch, ABS_MT_ORIENTATION,
|
||||
mtouch->u.orientation);
|
||||
break;
|
||||
|
||||
case XENKBD_MT_EV_UP:
|
||||
input_mt_report_slot_state(info->mtouch, MT_TOOL_FINGER, false);
|
||||
break;
|
||||
|
||||
case XENKBD_MT_EV_SYN:
|
||||
input_mt_sync_frame(info->mtouch);
|
||||
input_sync(info->mtouch);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void xenkbd_handle_event(struct xenkbd_info *info,
|
||||
union xenkbd_in_event *event)
|
||||
{
|
||||
switch (event->type) {
|
||||
case XENKBD_TYPE_MOTION:
|
||||
xenkbd_handle_motion_event(info, &event->motion);
|
||||
break;
|
||||
|
||||
case XENKBD_TYPE_KEY:
|
||||
xenkbd_handle_key_event(info, &event->key);
|
||||
break;
|
||||
|
||||
case XENKBD_TYPE_POS:
|
||||
xenkbd_handle_position_event(info, &event->pos);
|
||||
break;
|
||||
|
||||
case XENKBD_TYPE_MTOUCH:
|
||||
xenkbd_handle_mt_event(info, &event->mtouch);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static irqreturn_t input_handler(int rq, void *dev_id)
|
||||
{
|
||||
struct xenkbd_info *info = dev_id;
|
||||
@ -66,44 +176,8 @@ static irqreturn_t input_handler(int rq, void *dev_id)
|
||||
if (prod == page->in_cons)
|
||||
return IRQ_HANDLED;
|
||||
rmb(); /* ensure we see ring contents up to prod */
|
||||
for (cons = page->in_cons; cons != prod; cons++) {
|
||||
union xenkbd_in_event *event;
|
||||
struct input_dev *dev;
|
||||
event = &XENKBD_IN_RING_REF(page, cons);
|
||||
|
||||
dev = info->ptr;
|
||||
switch (event->type) {
|
||||
case XENKBD_TYPE_MOTION:
|
||||
input_report_rel(dev, REL_X, event->motion.rel_x);
|
||||
input_report_rel(dev, REL_Y, event->motion.rel_y);
|
||||
if (event->motion.rel_z)
|
||||
input_report_rel(dev, REL_WHEEL,
|
||||
-event->motion.rel_z);
|
||||
break;
|
||||
case XENKBD_TYPE_KEY:
|
||||
dev = NULL;
|
||||
if (test_bit(event->key.keycode, info->kbd->keybit))
|
||||
dev = info->kbd;
|
||||
if (test_bit(event->key.keycode, info->ptr->keybit))
|
||||
dev = info->ptr;
|
||||
if (dev)
|
||||
input_report_key(dev, event->key.keycode,
|
||||
event->key.pressed);
|
||||
else
|
||||
pr_warn("unhandled keycode 0x%x\n",
|
||||
event->key.keycode);
|
||||
break;
|
||||
case XENKBD_TYPE_POS:
|
||||
input_report_abs(dev, ABS_X, event->pos.abs_x);
|
||||
input_report_abs(dev, ABS_Y, event->pos.abs_y);
|
||||
if (event->pos.rel_z)
|
||||
input_report_rel(dev, REL_WHEEL,
|
||||
-event->pos.rel_z);
|
||||
break;
|
||||
}
|
||||
if (dev)
|
||||
input_sync(dev);
|
||||
}
|
||||
for (cons = page->in_cons; cons != prod; cons++)
|
||||
xenkbd_handle_event(info, &XENKBD_IN_RING_REF(page, cons));
|
||||
mb(); /* ensure we got ring contents */
|
||||
page->in_cons = cons;
|
||||
notify_remote_via_irq(info->irq);
|
||||
@ -115,9 +189,9 @@ static int xenkbd_probe(struct xenbus_device *dev,
|
||||
const struct xenbus_device_id *id)
|
||||
{
|
||||
int ret, i;
|
||||
unsigned int abs;
|
||||
unsigned int abs, touch;
|
||||
struct xenkbd_info *info;
|
||||
struct input_dev *kbd, *ptr;
|
||||
struct input_dev *kbd, *ptr, *mtouch;
|
||||
|
||||
info = kzalloc(sizeof(*info), GFP_KERNEL);
|
||||
if (!info) {
|
||||
@ -152,6 +226,17 @@ static int xenkbd_probe(struct xenbus_device *dev,
|
||||
}
|
||||
}
|
||||
|
||||
touch = xenbus_read_unsigned(dev->nodename,
|
||||
XENKBD_FIELD_FEAT_MTOUCH, 0);
|
||||
if (touch) {
|
||||
ret = xenbus_write(XBT_NIL, dev->nodename,
|
||||
XENKBD_FIELD_REQ_MTOUCH, "1");
|
||||
if (ret) {
|
||||
pr_warn("xenkbd: can't request multi-touch");
|
||||
touch = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* keyboard */
|
||||
kbd = input_allocate_device();
|
||||
if (!kbd)
|
||||
@ -208,6 +293,58 @@ static int xenkbd_probe(struct xenbus_device *dev,
|
||||
}
|
||||
info->ptr = ptr;
|
||||
|
||||
/* multi-touch device */
|
||||
if (touch) {
|
||||
int num_cont, width, height;
|
||||
|
||||
mtouch = input_allocate_device();
|
||||
if (!mtouch)
|
||||
goto error_nomem;
|
||||
|
||||
num_cont = xenbus_read_unsigned(info->xbdev->nodename,
|
||||
XENKBD_FIELD_MT_NUM_CONTACTS,
|
||||
1);
|
||||
width = xenbus_read_unsigned(info->xbdev->nodename,
|
||||
XENKBD_FIELD_MT_WIDTH,
|
||||
XENFB_WIDTH);
|
||||
height = xenbus_read_unsigned(info->xbdev->nodename,
|
||||
XENKBD_FIELD_MT_HEIGHT,
|
||||
XENFB_HEIGHT);
|
||||
|
||||
mtouch->name = "Xen Virtual Multi-touch";
|
||||
mtouch->phys = info->phys;
|
||||
mtouch->id.bustype = BUS_PCI;
|
||||
mtouch->id.vendor = 0x5853;
|
||||
mtouch->id.product = 0xfffd;
|
||||
|
||||
input_set_abs_params(mtouch, ABS_MT_TOUCH_MAJOR,
|
||||
0, 255, 0, 0);
|
||||
input_set_abs_params(mtouch, ABS_MT_POSITION_X,
|
||||
0, width, 0, 0);
|
||||
input_set_abs_params(mtouch, ABS_MT_POSITION_Y,
|
||||
0, height, 0, 0);
|
||||
input_set_abs_params(mtouch, ABS_MT_PRESSURE,
|
||||
0, 255, 0, 0);
|
||||
|
||||
ret = input_mt_init_slots(mtouch, num_cont, INPUT_MT_DIRECT);
|
||||
if (ret) {
|
||||
input_free_device(mtouch);
|
||||
xenbus_dev_fatal(info->xbdev, ret,
|
||||
"input_mt_init_slots");
|
||||
goto error;
|
||||
}
|
||||
|
||||
ret = input_register_device(mtouch);
|
||||
if (ret) {
|
||||
input_free_device(mtouch);
|
||||
xenbus_dev_fatal(info->xbdev, ret,
|
||||
"input_register_device(mtouch)");
|
||||
goto error;
|
||||
}
|
||||
info->mtouch_cur_contact_id = -1;
|
||||
info->mtouch = mtouch;
|
||||
}
|
||||
|
||||
ret = xenkbd_connect_backend(dev, info);
|
||||
if (ret < 0)
|
||||
goto error;
|
||||
@ -240,6 +377,8 @@ static int xenkbd_remove(struct xenbus_device *dev)
|
||||
input_unregister_device(info->kbd);
|
||||
if (info->ptr)
|
||||
input_unregister_device(info->ptr);
|
||||
if (info->mtouch)
|
||||
input_unregister_device(info->mtouch);
|
||||
free_page((unsigned long)info->page);
|
||||
kfree(info);
|
||||
return 0;
|
||||
|
||||
@ -436,8 +436,10 @@ static int i8042_start(struct serio *serio)
|
||||
{
|
||||
struct i8042_port *port = serio->port_data;
|
||||
|
||||
spin_lock_irq(&i8042_lock);
|
||||
port->exists = true;
|
||||
mb();
|
||||
spin_unlock_irq(&i8042_lock);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -450,16 +452,20 @@ static void i8042_stop(struct serio *serio)
|
||||
{
|
||||
struct i8042_port *port = serio->port_data;
|
||||
|
||||
spin_lock_irq(&i8042_lock);
|
||||
port->exists = false;
|
||||
port->serio = NULL;
|
||||
spin_unlock_irq(&i8042_lock);
|
||||
|
||||
/*
|
||||
* We need to make sure that interrupt handler finishes using
|
||||
* our serio port before we return from this function.
|
||||
* We synchronize with both AUX and KBD IRQs because there is
|
||||
* a (very unlikely) chance that AUX IRQ is raised for KBD port
|
||||
* and vice versa.
|
||||
*/
|
||||
synchronize_irq(I8042_AUX_IRQ);
|
||||
synchronize_irq(I8042_KBD_IRQ);
|
||||
port->serio = NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -576,7 +582,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
|
||||
|
||||
spin_unlock_irqrestore(&i8042_lock, flags);
|
||||
|
||||
if (likely(port->exists && !filtered))
|
||||
if (likely(serio && !filtered))
|
||||
serio_interrupt(serio, data, dfl);
|
||||
|
||||
out:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user