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qemu-android / qemu-android / refs/heads/ranchu / . / hw / input / goldfish_events.c
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/*
* Goldfish 'events' device model
*
* Copyright (C) 2007-2008 The Android Open Source Project
* Copyright (c) 2014 Linaro Limited
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "hw/sysbus.h"
#include "ui/input.h"
#include "ui/console.h"
#include "hw/input/linux_keycodes.h"
/* Multitouch specific code is defined out via EVDEV_MULTITOUCH currently,
* because upstream has no multitouch related APIs.
*/
/* #define EVDEV_MULTITOUCH */
#define MAX_EVENTS (256 * 4)
/* Event types (as per Linux input event layer) */
#define EV_SYN 0x00
#define EV_KEY 0x01
#define EV_REL 0x02
#define EV_ABS 0x03
#define EV_MSC 0x04
#define EV_SW 0x05
#define EV_LED 0x11
#define EV_SND 0x12
#define EV_REP 0x14
#define EV_FF 0x15
#define EV_PWR 0x16
#define EV_FF_STATUS 0x17
#define EV_MAX 0x1f
/* Absolute axes */
#define ABS_X 0x00
#define ABS_Y 0x01
#define ABS_Z 0x02
#define ABS_MT_SLOT 0x2f /* MT slot being modified */
#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */
#define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */
#define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */
#define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */
#define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */
#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */
#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */
#define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */
#define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */
#define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */
#define ABS_MT_PRESSURE 0x3a /* Pressure on contact area */
#define ABS_MT_DISTANCE 0x3b /* Contact hover distance */
#define ABS_MAX 0x3f
/* Relative axes */
#define REL_X 0x00
#define REL_Y 0x01
#define BTN_TOUCH 0x14a
#define BTN_MOUSE 0x110
enum {
REG_READ = 0x00,
REG_SET_PAGE = 0x00,
REG_LEN = 0x04,
REG_DATA = 0x08,
PAGE_NAME = 0x00000,
PAGE_EVBITS = 0x10000,
PAGE_ABSDATA = 0x20000 | EV_ABS,
};
/* These corresponds to the state of the driver.
* Unfortunately, we have to buffer events coming
* from the UI, since the kernel driver is not
* capable of receiving them until XXXXXX
*/
enum {
STATE_INIT = 0, /* The device is initialized */
STATE_BUFFERED, /* Events have been buffered, but no IRQ raised yet */
STATE_LIVE /* Events can be sent directly to the kernel */
};
/* NOTE: The ev_bits arrays are used to indicate to the kernel
* which events can be sent by the emulated hardware.
*/
#define TYPE_GOLDFISHEVDEV "goldfish-events"
#define GOLDFISHEVDEV(obj) \
OBJECT_CHECK(GoldfishEvDevState, (obj), TYPE_GOLDFISHEVDEV)
typedef struct GoldfishEvDevState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion iomem;
qemu_irq irq;
/* Device properties (TODO: actually make these props) */
bool have_dpad;
bool have_trackball;
bool have_camera;
bool have_keyboard;
bool have_keyboard_lid;
bool have_touch;
bool have_multitouch;
/* Actual device state */
int32_t page;
uint32_t events[MAX_EVENTS];
uint32_t first;
uint32_t last;
uint32_t state;
uint32_t modifier_state;
/* All data below here is set up at realize and not modified thereafter */
const char *name;
struct {
size_t len;
uint8_t *bits;
} ev_bits[EV_MAX + 1];
int32_t *abs_info;
size_t abs_info_count;
} GoldfishEvDevState;
/* Bitfield meanings for modifier_state. */
#define MODSTATE_SHIFT (1 << 0)
#define MODSTATE_CTRL (1 << 1)
#define MODSTATE_ALT (1 << 2)
#define MODSTATE_MASK (MODSTATE_SHIFT | MODSTATE_CTRL | MODSTATE_ALT)
/* An entry in the array of ABS_XXX values */
typedef struct ABSEntry {
/* Minimum ABS_XXX value. */
uint32_t min;
/* Maximum ABS_XXX value. */
uint32_t max;
/* 'fuzz;, and 'flat' ABS_XXX values are always zero here. */
uint32_t fuzz;
uint32_t flat;
} ABSEntry;
static const VMStateDescription vmstate_gf_evdev = {
.name = "goldfish-events",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_INT32(page, GoldfishEvDevState),
VMSTATE_UINT32_ARRAY(events, GoldfishEvDevState, MAX_EVENTS),
VMSTATE_UINT32(first, GoldfishEvDevState),
VMSTATE_UINT32(last, GoldfishEvDevState),
VMSTATE_UINT32(state, GoldfishEvDevState),
VMSTATE_UINT32(modifier_state, GoldfishEvDevState),
VMSTATE_END_OF_LIST()
}
};
static void enqueue_event(GoldfishEvDevState *s,
unsigned int type, unsigned int code, int value)
{
int enqueued = s->last - s->first;
if (enqueued < 0) {
enqueued += MAX_EVENTS;
}
if (enqueued + 3 > MAX_EVENTS) {
fprintf(stderr, "##KBD: Full queue, lose event\n");
return;
}
if (s->first == s->last) {
if (s->state == STATE_LIVE) {
qemu_irq_raise(s->irq);
} else {
s->state = STATE_BUFFERED;
}
}
s->events[s->last] = type;
s->last = (s->last + 1) & (MAX_EVENTS-1);
s->events[s->last] = code;
s->last = (s->last + 1) & (MAX_EVENTS-1);
s->events[s->last] = value;
s->last = (s->last + 1) & (MAX_EVENTS-1);
}
static unsigned dequeue_event(GoldfishEvDevState *s)
{
unsigned n;
if (s->first == s->last) {
return 0;
}
n = s->events[s->first];
s->first = (s->first + 1) & (MAX_EVENTS - 1);
if (s->first == s->last) {
qemu_irq_lower(s->irq);
}
#ifdef TARGET_I386
/*
* Adding the logic to handle edge-triggered interrupts for x86
* because the exisiting goldfish events device basically provides
* level-trigger interrupts only.
*
* Logic: When an event (including the type/code/value) is fetched
* by the driver, if there is still another event in the event
* queue, the goldfish event device will re-assert the IRQ so that
* the driver can be notified to fetch the event again.
*/
else if (((s->first + 2) & (MAX_EVENTS - 1)) < s->last ||
(s->first & (MAX_EVENTS - 1)) > s->last) {
/* if there still is an event */
qemu_irq_lower(s->irq);
qemu_irq_raise(s->irq);
}
#endif
return n;
}
static int get_page_len(GoldfishEvDevState *s)
{
int page = s->page;
if (page == PAGE_NAME) {
const char *name = s->name;
return strlen(name);
}
if (page >= PAGE_EVBITS && page <= PAGE_EVBITS + EV_MAX) {
return s->ev_bits[page - PAGE_EVBITS].len;
}
if (page == PAGE_ABSDATA) {
return s->abs_info_count * sizeof(s->abs_info[0]);
}
return 0;
}
static int get_page_data(GoldfishEvDevState *s, int offset)
{
int page_len = get_page_len(s);
int page = s->page;
if (offset > page_len) {
return 0;
}
if (page == PAGE_NAME) {
const char *name = s->name;
return name[offset];
}
if (page >= PAGE_EVBITS && page <= PAGE_EVBITS + EV_MAX) {
return s->ev_bits[page - PAGE_EVBITS].bits[offset];
}
if (page == PAGE_ABSDATA) {
return s->abs_info[offset / sizeof(s->abs_info[0])];
}
return 0;
}
static uint64_t events_read(void *opaque, hwaddr offset, unsigned size)
{
GoldfishEvDevState *s = (GoldfishEvDevState *)opaque;
/* This gross hack below is used to ensure that we
* only raise the IRQ when the kernel driver is
* properly ready! If done before this, the driver
* becomes confused and ignores all input events
* as soon as one was buffered!
*/
if (offset == REG_LEN && s->page == PAGE_ABSDATA) {
if (s->state == STATE_BUFFERED) {
qemu_irq_raise(s->irq);
}
s->state = STATE_LIVE;
}
switch (offset) {
case REG_READ:
return dequeue_event(s);
case REG_LEN:
return get_page_len(s);
default:
if (offset >= REG_DATA) {
return get_page_data(s, offset - REG_DATA);
}
qemu_log_mask(LOG_GUEST_ERROR,
"goldfish events device read: bad offset %x\n",
(int)offset);
return 0;
}
}
static void events_write(void *opaque, hwaddr offset,
uint64_t val, unsigned size)
{
GoldfishEvDevState *s = (GoldfishEvDevState *)opaque;
switch (offset) {
case REG_SET_PAGE:
s->page = val;
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"goldfish events device write: bad offset %x\n",
(int)offset);
break;
}
}
static const MemoryRegionOps gf_evdev_ops = {
.read = events_read,
.write = events_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static void gf_evdev_put_mouse(void *opaque,
int dx, int dy, int dz, int buttons_state)
{
GoldfishEvDevState *s = (GoldfishEvDevState *)opaque;
/* Note that unlike the "classic" Android emulator, we don't
* have the "dz == 0 for touchscreen, == 1 for trackball"
* distinction.
*/
#ifdef EVDEV_MULTITOUCH
if (s->have_multitouch) {
/* Convert mouse event into multi-touch event */
multitouch_update_pointer(MTES_MOUSE, 0, dx, dy,
(buttons_state & 1) ? 0x81 : 0);
return;
}
#endif
if (s->have_touch) {
enqueue_event(s, EV_ABS, ABS_X, dx);
enqueue_event(s, EV_ABS, ABS_Y, dy);
enqueue_event(s, EV_ABS, ABS_Z, dz);
enqueue_event(s, EV_KEY, BTN_TOUCH, buttons_state & 1);
enqueue_event(s, EV_SYN, 0, 0);
return;
}
if (s->have_trackball) {
enqueue_event(s, EV_REL, REL_X, dx);
enqueue_event(s, EV_REL, REL_Y, dy);
enqueue_event(s, EV_SYN, 0, 0);
return;
}
}
/* set bits [bitl..bith] in the ev_bits[type] array
*/
static void
events_set_bits(GoldfishEvDevState *s, int type, int bitl, int bith)
{
uint8_t *bits;
uint8_t maskl, maskh;
int il, ih;
il = bitl / 8;
ih = bith / 8;
if (ih >= s->ev_bits[type].len) {
bits = g_malloc0(ih + 1);
if (bits == NULL) {
return;
}
memcpy(bits, s->ev_bits[type].bits, s->ev_bits[type].len);
g_free(s->ev_bits[type].bits);
s->ev_bits[type].bits = bits;
s->ev_bits[type].len = ih + 1;
} else {
bits = s->ev_bits[type].bits;
}
maskl = 0xffU << (bitl & 7);
maskh = 0xffU >> (7 - (bith & 7));
if (il >= ih) {
maskh &= maskl;
} else {
bits[il] |= maskl;
while (++il < ih) {
bits[il] = 0xff;
}
}
bits[ih] |= maskh;
}
static void
events_set_bit(GoldfishEvDevState *s, int type, int bit)
{
events_set_bits(s, type, bit, bit);
}
static void
events_clr_bit(GoldfishEvDevState *s, int type, int bit)
{
int ii = bit / 8;
if (ii < s->ev_bits[type].len) {
uint8_t *bits = s->ev_bits[type].bits;
uint8_t mask = 0x01U << (bit & 7);
bits[ii] &= ~mask;
}
}
/* Keycode mappings to match the classic Android emulator as documented in
* http://developer.android.com/tools/help/emulator.html
*/
static const uint16_t hardbutton_map[Q_KEY_CODE_MAX] = {
[Q_KEY_CODE_HOME] = LINUX_KEY_HOME,
[Q_KEY_CODE_F2] = LINUX_KEY_SOFT1, /* Android menu key */
[Q_KEY_CODE_PGUP] = LINUX_KEY_SOFT1,
[Q_KEY_CODE_PGDN] = LINUX_KEY_SOFT2,
[Q_KEY_CODE_ESC] = LINUX_KEY_BACK,
[Q_KEY_CODE_F3] = LINUX_KEY_SEND, /* dial */
[Q_KEY_CODE_F4] = LINUX_KEY_END, /* end call */
[Q_KEY_CODE_F5] = LINUX_KEY_SEARCH,
[Q_KEY_CODE_F7] = LINUX_KEY_POWER,
[Q_KEY_CODE_KP_ADD] = LINUX_KEY_VOLUMEUP,
[Q_KEY_CODE_KP_SUBTRACT] = LINUX_KEY_VOLUMEDOWN,
};
static const uint16_t hardbutton_shift_map[Q_KEY_CODE_MAX] = {
[Q_KEY_CODE_F2] = LINUX_KEY_SOFT2,
};
static const uint16_t hardbutton_control_map[Q_KEY_CODE_MAX] = {
[Q_KEY_CODE_F5] = LINUX_KEY_VOLUMEUP,
[Q_KEY_CODE_F6] = LINUX_KEY_VOLUMEDOWN,
/* ctrl-kp5, ctrl-f3 -> LINUX_KEY_CAMERA (if have_camera) */
};
static const int dpad_map[Q_KEY_CODE_MAX] = {
[Q_KEY_CODE_KP_4] = LINUX_KEY_LEFT,
[Q_KEY_CODE_KP_6] = LINUX_KEY_RIGHT,
[Q_KEY_CODE_KP_8] = LINUX_KEY_UP,
[Q_KEY_CODE_KP_2] = LINUX_KEY_DOWN,
[Q_KEY_CODE_KP_5] = LINUX_KEY_CENTER,
};
static void gf_evdev_handle_keyevent(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
/* Handle a key event. Minimal implementation which just handles
* the required hardware buttons and the dpad.
* This should be extended to also honour have_keyboard, and
* possibly also the control keys which affect the emulator itself.
*/
GoldfishEvDevState *s = GOLDFISHEVDEV(dev);
int qcode;
int lkey = 0;
int mod;
assert(evt->kind == INPUT_EVENT_KIND_KEY);
qcode = qemu_input_key_value_to_qcode(evt->key->key);
/* Keep our modifier state up to date */
switch (qcode) {
case Q_KEY_CODE_SHIFT:
case Q_KEY_CODE_SHIFT_R:
mod = MODSTATE_SHIFT;
break;
case Q_KEY_CODE_ALT:
case Q_KEY_CODE_ALT_R:
mod = MODSTATE_ALT;
break;
case Q_KEY_CODE_CTRL:
case Q_KEY_CODE_CTRL_R:
mod = MODSTATE_CTRL;
break;
default:
mod = 0;
break;
}
if (mod) {
if (evt->key->down) {
s->modifier_state |= mod;
} else {
s->modifier_state &= ~mod;
}
}
if (s->modifier_state & MODSTATE_ALT) {
/* No alt-keys defined currently */
} else if (s->modifier_state & MODSTATE_CTRL) {
lkey = hardbutton_control_map[qcode];
} else if (s->modifier_state & MODSTATE_SHIFT) {
lkey = hardbutton_shift_map[qcode];
} else {
lkey = hardbutton_map[qcode];
}
if (!lkey && s->have_dpad && s->modifier_state == 0) {
lkey = dpad_map[qcode];
}
if (lkey) {
enqueue_event(s, EV_KEY, lkey, evt->key->down);
}
}
static QemuInputHandler gf_evdev_key_input_handler = {
.name = "goldfish event device key handler",
.mask = INPUT_EVENT_MASK_KEY,
.event = gf_evdev_handle_keyevent,
};
static void gf_evdev_init(Object *obj)
{
GoldfishEvDevState *s = GOLDFISHEVDEV(obj);
DeviceState *dev = DEVICE(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
memory_region_init_io(&s->iomem, obj, &gf_evdev_ops, s,
"goldfish-events", 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
sysbus_init_irq(sbd, &s->irq);
qemu_input_handler_register(dev, &gf_evdev_key_input_handler);
qemu_add_mouse_event_handler(gf_evdev_put_mouse, s, 1, "goldfish-events");
}
static void gf_evdev_realize(DeviceState *dev, Error **errp)
{
GoldfishEvDevState *s = GOLDFISHEVDEV(dev);
/* now set the events capability bits depending on hardware configuration */
/* apparently, the EV_SYN array is used to indicate which other
* event classes to consider.
*/
/* XXX PMM properties ? */
s->name = "qwerty2";
if (s->have_multitouch) {
s->have_touch = true;
}
/* configure EV_KEY array
*
* All Android devices must have the following keys:
* KEY_HOME, KEY_BACK, KEY_SEND (Call), KEY_END (EndCall),
* KEY_SOFT1 (Menu), VOLUME_UP, VOLUME_DOWN
*
* Note that previous models also had a KEY_SOFT2,
* and a KEY_POWER which we still support here.
*
* Newer models have a KEY_SEARCH key, which we always
* enable here.
*
* A Dpad will send: KEY_DOWN / UP / LEFT / RIGHT / CENTER
*
* The KEY_CAMERA button isn't very useful if there is no camera.
*
* BTN_MOUSE is sent when the trackball is pressed
* BTN_TOUCH is sent when the touchscreen is pressed
*/
events_set_bit(s, EV_SYN, EV_KEY);
events_set_bit(s, EV_KEY, LINUX_KEY_HOME);
events_set_bit(s, EV_KEY, LINUX_KEY_BACK);
events_set_bit(s, EV_KEY, LINUX_KEY_SEND);
events_set_bit(s, EV_KEY, LINUX_KEY_END);
events_set_bit(s, EV_KEY, LINUX_KEY_SOFT1);
events_set_bit(s, EV_KEY, LINUX_KEY_VOLUMEUP);
events_set_bit(s, EV_KEY, LINUX_KEY_VOLUMEDOWN);
events_set_bit(s, EV_KEY, LINUX_KEY_SOFT2);
events_set_bit(s, EV_KEY, LINUX_KEY_POWER);
events_set_bit(s, EV_KEY, LINUX_KEY_SEARCH);
if (s->have_dpad) {
events_set_bit(s, EV_KEY, LINUX_KEY_DOWN);
events_set_bit(s, EV_KEY, LINUX_KEY_UP);
events_set_bit(s, EV_KEY, LINUX_KEY_LEFT);
events_set_bit(s, EV_KEY, LINUX_KEY_RIGHT);
events_set_bit(s, EV_KEY, LINUX_KEY_CENTER);
}
if (s->have_trackball) {
events_set_bit(s, EV_KEY, BTN_MOUSE);
}
if (s->have_touch) {
events_set_bit(s, EV_KEY, BTN_TOUCH);
}
if (s->have_camera) {
/* Camera emulation is enabled. */
events_set_bit(s, EV_KEY, LINUX_KEY_CAMERA);
}
if (s->have_keyboard) {
/* since we want to implement Unicode reverse-mapping
* allow any kind of key, even those not available on
* the skin.
*
* the previous code did set the [1..0x1ff] range, but
* we don't want to enable certain bits in the middle
* of the range that are registered for mouse/trackball/joystick
* events.
*
* see "linux_keycodes.h" for the list of events codes.
*/
events_set_bits(s, EV_KEY, 1, 0xff);
events_set_bits(s, EV_KEY, 0x160, 0x1ff);
/* If there is a keyboard, but no DPad, we need to clear the
* corresponding bits. Doing this is simpler than trying to exclude
* the DPad values from the ranges above.
*/
if (!s->have_dpad) {
events_clr_bit(s, EV_KEY, LINUX_KEY_DOWN);
events_clr_bit(s, EV_KEY, LINUX_KEY_UP);
events_clr_bit(s, EV_KEY, LINUX_KEY_LEFT);
events_clr_bit(s, EV_KEY, LINUX_KEY_RIGHT);
events_clr_bit(s, EV_KEY, LINUX_KEY_CENTER);
}
}
/* configure EV_REL array
*
* EV_REL events are sent when the trackball is moved
*/
if (s->have_trackball) {
events_set_bit(s, EV_SYN, EV_REL);
events_set_bits(s, EV_REL, REL_X, REL_Y);
}
/* configure EV_ABS array.
*
* EV_ABS events are sent when the touchscreen is pressed
*/
if (s->have_touch) {
ABSEntry *abs_values;
events_set_bit(s, EV_SYN, EV_ABS);
events_set_bits(s, EV_ABS, ABS_X, ABS_Z);
/* Allocate the absinfo to report the min/max bounds for each
* absolute dimension. The array must contain 3, or ABS_MAX tuples
* of (min,max,fuzz,flat) 32-bit values.
*
* min and max are the bounds
* fuzz corresponds to the device's fuziness, we set it to 0
* flat corresponds to the flat position for JOEYDEV devices,
* we also set it to 0.
*
* There is no need to save/restore this array in a snapshot
* since the values only depend on the hardware configuration.
*/
s->abs_info_count = s->have_multitouch ? ABS_MAX * 4 : 3 * 4;
s->abs_info = g_new0(int32_t, s->abs_info_count);
abs_values = (ABSEntry *)s->abs_info;
/* QEMU provides absolute coordinates in the [0,0x7fff] range
* regardless of the display resolution.
*/
abs_values[ABS_X].max = 0x7fff;
abs_values[ABS_Y].max = 0x7fff;
abs_values[ABS_Z].max = 1;
#ifdef EVDEV_MULTITOUCH
if (s->have_multitouch) {
/*
* Setup multitouch.
*/
events_set_bit(s, EV_ABS, ABS_MT_SLOT);
events_set_bit(s, EV_ABS, ABS_MT_POSITION_X);
events_set_bit(s, EV_ABS, ABS_MT_POSITION_Y);
events_set_bit(s, EV_ABS, ABS_MT_TRACKING_ID);
events_set_bit(s, EV_ABS, ABS_MT_TOUCH_MAJOR);
events_set_bit(s, EV_ABS, ABS_MT_PRESSURE);
abs_values[ABS_MT_SLOT].max = multitouch_get_max_slot();
abs_values[ABS_MT_TRACKING_ID].max
= abs_values[ABS_MT_SLOT].max + 1;
abs_values[ABS_MT_POSITION_X].max = abs_values[ABS_X].max;
abs_values[ABS_MT_POSITION_Y].max = abs_values[ABS_Y].max;
/* TODO : make next 2 less random */
abs_values[ABS_MT_TOUCH_MAJOR].max = 0x7fffffff;
abs_values[ABS_MT_PRESSURE].max = 0x100;
}
#endif
}
/* configure EV_SW array
*
* EV_SW events are sent to indicate that the keyboard lid
* was closed or opened (done when we switch layouts through
* KP-7 or KP-9).
*
* We only support this when hw.keyboard.lid is true.
*/
if (s->have_keyboard && s->have_keyboard_lid) {
events_set_bit(s, EV_SYN, EV_SW);
events_set_bit(s, EV_SW, 0);
}
}
static void gf_evdev_reset(DeviceState *dev)
{
GoldfishEvDevState *s = GOLDFISHEVDEV(dev);
s->state = STATE_INIT;
s->first = 0;
s->last = 0;
s->state = 0;
}
static Property gf_evdev_props[] = {
DEFINE_PROP_BOOL("have-dpad", GoldfishEvDevState, have_dpad, false),
DEFINE_PROP_BOOL("have-trackball", GoldfishEvDevState,
have_trackball, false),
DEFINE_PROP_BOOL("have-camera", GoldfishEvDevState, have_camera, false),
DEFINE_PROP_BOOL("have-keyboard", GoldfishEvDevState, have_keyboard, false),
DEFINE_PROP_BOOL("have-lidswitch", GoldfishEvDevState,
have_keyboard_lid, false),
DEFINE_PROP_BOOL("have-touch", GoldfishEvDevState,
have_touch, true),
DEFINE_PROP_BOOL("have-multitouch", GoldfishEvDevState,
have_multitouch, false),
DEFINE_PROP_END_OF_LIST()
};
static void gf_evdev_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = gf_evdev_realize;
dc->reset = gf_evdev_reset;
dc->props = gf_evdev_props;
dc->vmsd = &vmstate_gf_evdev;
}
static const TypeInfo gf_evdev_info = {
.name = TYPE_GOLDFISHEVDEV,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(GoldfishEvDevState),
.instance_init = gf_evdev_init,
.class_init = gf_evdev_class_init,
};
static void gf_evdev_register_types(void)
{
type_register_static(&gf_evdev_info);
}
type_init(gf_evdev_register_types)