static void iohidmanager_hid_device_add(void *data, IOReturn result,
void* sender, IOHIDDeviceRef device)
{
IOReturn ret;
uint16_t dev_vid, dev_pid;
settings_t *settings = config_get_ptr();
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)
calloc(1, sizeof(*adapter));
if (!adapter || !hid)
return;
adapter->handle = device;
ret = IOHIDDeviceOpen(device, kIOHIDOptionsTypeNone);
if (ret != kIOReturnSuccess)
{
free(adapter);
return;
}
/* Move the device's run loop to this thread. */
IOHIDDeviceScheduleWithRunLoop(device, CFRunLoopGetCurrent(),
kCFRunLoopCommonModes);
IOHIDDeviceRegisterRemovalCallback(device, iohidmanager_hid_device_remove, adapter);
#ifndef IOS
iohidmanager_hid_device_get_product_string(device, adapter->name,
sizeof(adapter->name));
#endif
dev_vid = iohidmanager_hid_device_get_vendor_id (device);
dev_pid = iohidmanager_hid_device_get_product_id (device);
adapter->slot = pad_connection_pad_init(hid->slots,
adapter->name, dev_vid, dev_pid, adapter, &iohidmanager_hid_device_send_control);
if (adapter->slot == -1)
return;
if (pad_connection_has_interface(hid->slots, adapter->slot))
IOHIDDeviceRegisterInputReportCallback(device,
adapter->data + 1, sizeof(adapter->data) - 1,
iohidmanager_hid_device_report, adapter);
else
IOHIDDeviceRegisterInputValueCallback(device,
iohidmanager_hid_device_input_callback, adapter);
if (adapter->name[0] == '\0')
return;
strlcpy(settings->input.device_names[adapter->slot],
adapter->name, sizeof(settings->input.device_names[adapter->slot]));
iohidmanager_hid_device_add_autodetect(adapter->slot,
adapter->name, iohidmanager_hid.ident, dev_vid, dev_pid);
}
static void iohidmanager_hid_device_report(void *data,
IOReturn result, void *sender,
IOHIDReportType type, uint32_t reportID, uint8_t *report,
CFIndex reportLength)
{
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)data;
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
if (hid && adapter)
pad_connection_packet(&hid->slots[adapter->slot], adapter->slot,
adapter->data, reportLength + 1);
}
static void iohidmanager_hid_device_remove(void *data, IOReturn result, void* sender)
{
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)data;
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
if (hid && adapter && (adapter->slot < MAX_USERS))
{
input_config_autoconfigure_disconnect(adapter->slot, adapter->name);
hid->buttons[adapter->slot] = 0;
memset(hid->axes[adapter->slot], 0, sizeof(hid->axes));
pad_connection_pad_deinit(&hid->slots[adapter->slot], adapter->slot);
free(adapter);
}
}
static void iohidmanager_hid_device_remove(void *data,
IOReturn result, void* sender)
{
struct iohidmanager_hid_adapter *adapter =
(struct iohidmanager_hid_adapter*)data;
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)
hid_driver_get_data();
if (hid && adapter && (adapter->slot < MAX_USERS))
{
input_autoconfigure_disconnect(adapter->slot, adapter->name);
hid->buttons[adapter->slot] = 0;
memset(hid->axes[adapter->slot], 0, sizeof(hid->axes));
pad_connection_pad_deinit(&hid->slots[adapter->slot], adapter->slot);
}
if (adapter)
{
apple_input_rec_t* tmp = NULL;
while(adapter->hats != NULL)
{
tmp = adapter->hats;
adapter->hats = adapter->hats->next;
free(tmp);
}
while(adapter->axes != NULL)
{
tmp = adapter->axes;
adapter->axes = adapter->axes->next;
free(tmp);
}
while(adapter->buttons != NULL)
{
tmp = adapter->buttons;
adapter->buttons = adapter->buttons->next;
free(tmp);
}
free(adapter);
}
}
static const char *hid_joypad_name(unsigned pad)
{
return generic_hid->name((void*)hid_driver_get_data(), pad);
}
static bool hid_joypad_rumble(unsigned pad,
enum retro_rumble_effect effect, uint16_t strength)
{
return generic_hid->set_rumble((void*)hid_driver_get_data(), pad, effect, strength);
}
static void hid_joypad_poll(void)
{
generic_hid->poll((void*)hid_driver_get_data());
}
static int16_t hid_joypad_axis(unsigned port, uint32_t joyaxis)
{
return generic_hid->axis((void*)hid_driver_get_data(), port, joyaxis);
}
static uint64_t hid_joypad_get_buttons(unsigned port)
{
return generic_hid->get_buttons((void*)hid_driver_get_data(), port);
}
static bool hid_joypad_button(unsigned port, uint16_t joykey)
{
return generic_hid->button((void*)hid_driver_get_data(), port, joykey);
}
static void hid_joypad_free(void)
{
generic_hid->free((void*)hid_driver_get_data());
generic_hid = NULL;
}
static bool hid_joypad_query_pad(unsigned pad)
{
return generic_hid->query_pad((void*)hid_driver_get_data(), pad);
}
static void iohidmanager_hid_device_add(void *data, IOReturn result,
void* sender, IOHIDDeviceRef device)
{
int i;
IOReturn ret;
uint16_t dev_vid, dev_pid;
CFArrayRef elements_raw;
int count;
CFMutableArrayRef elements;
CFRange range;
bool found_axis[6] =
{ false, false, false, false, false, false };
apple_input_rec_t *tmp = NULL;
apple_input_rec_t *tmpButtons = NULL;
apple_input_rec_t *tmpAxes = NULL;
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)
hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)
calloc(1, sizeof(*adapter));
if (!adapter)
return;
if (!hid)
goto error;
adapter->handle = device;
ret = IOHIDDeviceOpen(device, kIOHIDOptionsTypeNone);
if (ret != kIOReturnSuccess)
goto error;
/* Move the device's run loop to this thread. */
IOHIDDeviceScheduleWithRunLoop(device, CFRunLoopGetCurrent(),
kCFRunLoopCommonModes);
IOHIDDeviceRegisterRemovalCallback(device,
iohidmanager_hid_device_remove, adapter);
#ifndef IOS
iohidmanager_hid_device_get_product_string(device, adapter->name,
sizeof(adapter->name));
#endif
dev_vid = iohidmanager_hid_device_get_vendor_id (device);
dev_pid = iohidmanager_hid_device_get_product_id (device);
adapter->slot = pad_connection_pad_init(hid->slots,
adapter->name, dev_vid, dev_pid, adapter,
&iohidmanager_hid);
if (adapter->slot == -1)
goto error;
if (pad_connection_has_interface(hid->slots, adapter->slot))
IOHIDDeviceRegisterInputReportCallback(device,
adapter->data + 1, sizeof(adapter->data) - 1,
iohidmanager_hid_device_report, adapter);
else
IOHIDDeviceRegisterInputValueCallback(device,
iohidmanager_hid_device_input_callback, adapter);
if (string_is_empty(adapter->name))
goto error;
/* scan for buttons, axis, hats */
elements_raw = IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone);
count = (int)CFArrayGetCount(elements_raw);
elements = CFArrayCreateMutableCopy(
kCFAllocatorDefault,(CFIndex)count,elements_raw);
range = CFRangeMake(0,count);
CFArraySortValues(elements,
range, iohidmanager_sort_elements, NULL);
for (i = 0; i < count; i++)
{
IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, i);
if (!element)
continue;
IOHIDElementType type = IOHIDElementGetType(element);
uint32_t page = (uint32_t)IOHIDElementGetUsagePage(element);
uint32_t use = (uint32_t)IOHIDElementGetUsage(element);
uint32_t cookie = (uint32_t)IOHIDElementGetCookie(element);
int detected_button = 0;
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeCollection:
case kIOHIDElementTypeInput_ScanCodes:
case kIOHIDElementTypeFeature:
case kIOHIDElementTypeInput_Button:
case kIOHIDElementTypeOutput:
case kIOHIDElementTypeInput_Axis:
/* TODO/FIXME */
break;
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
{
/* as far as I can tell, OSX only reports one Hat */
apple_input_rec_t *hat = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
hat->id = 0;
hat->cookie = (IOHIDElementCookie)cookie;
hat->next = NULL;
adapter->hats = hat;
}
break;
default:
{
uint32_t i = 0;
static const uint32_t axis_use_ids[6] =
{ 48, 49, 51, 52, 50, 53 };
while (i < 6 && axis_use_ids[i] != use)
i++;
if (i < 6)
{
apple_input_rec_t *axis = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
axis->id = i;
axis->cookie = (IOHIDElementCookie)cookie;
axis->next = NULL;
if(iohidmanager_check_for_id(adapter->axes,i))
{
/* axis ID already exists, save to tmp for appending later */
if(tmpAxes)
iohidmanager_append_record(tmpAxes, axis);
else
tmpAxes = axis;
}
else
{
found_axis[axis->id] = true;
if(adapter->axes)
iohidmanager_append_record(adapter->axes, axis);
else
adapter->axes = axis;
}
}
else
detected_button = 1;
}
break;
}
break;
}
break;
case kHIDPage_Consumer:
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeCollection:
case kIOHIDElementTypeFeature:
case kIOHIDElementTypeInput_ScanCodes:
case kIOHIDElementTypeInput_Axis:
case kIOHIDElementTypeOutput:
/* TODO/FIXME */
break;
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
detected_button = 1;
break;
}
break;
}
if (detected_button)
{
apple_input_rec_t *btn = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
btn->id = (uint32_t)use;
btn->cookie = (IOHIDElementCookie)cookie;
btn->next = NULL;
if(iohidmanager_check_for_id(adapter->buttons,btn->id))
{
if(tmpButtons)
iohidmanager_append_record_ordered(&tmpButtons, btn);
else
tmpButtons = btn;
}
else
{
if(adapter->buttons)
iohidmanager_append_record_ordered(&adapter->buttons, btn);
else
adapter->buttons = btn;
}
}
}
/* take care of buttons/axes with duplicate 'use' values */
for (i = 0; i < 6; i++)
{
if(found_axis[i] == false && tmpAxes)
{
apple_input_rec_t *next = tmpAxes->next;
tmpAxes->id = i;
tmpAxes->next = NULL;
iohidmanager_append_record(adapter->axes, tmpAxes);
tmpAxes = next;
}
}
tmp = adapter->buttons;
if (tmp)
{
while(tmp->next)
tmp = tmp->next;
}
while(tmpButtons)
{
apple_input_rec_t *next = tmpButtons->next;
tmpButtons->id = tmp->id;
tmpButtons->next = NULL;
tmp->next = tmpButtons;
tmp = tmp->next;
tmpButtons = next;
}
iohidmanager_hid_device_add_autodetect(adapter->slot,
adapter->name, iohidmanager_hid.ident, dev_vid, dev_pid);
return;
error:
{
apple_input_rec_t *tmp = NULL;
while(adapter->hats != NULL)
{
tmp = adapter->hats;
adapter->hats = adapter->hats->next;
free(tmp);
}
while(adapter->axes != NULL)
{
tmp = adapter->axes;
adapter->axes = adapter->axes->next;
free(tmp);
}
while(adapter->buttons != NULL)
{
tmp = adapter->buttons;
adapter->buttons = adapter->buttons->next;
free(tmp);
}
while(tmpAxes != NULL)
{
tmp = tmpAxes;
tmpAxes = tmpAxes->next;
free(tmp);
}
while(tmpButtons != NULL)
{
tmp = tmpButtons;
tmpButtons = tmpButtons->next;
free(tmp);
}
free(adapter);
}
}
static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
void* sender, IOHIDValueRef value)
{
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)data;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = (uint32_t)IOHIDElementGetType(element);
uint32_t page = (uint32_t)IOHIDElementGetUsagePage(element);
uint32_t use = (uint32_t)IOHIDElementGetUsage(element);
uint32_t cookie = (uint32_t)IOHIDElementGetCookie(element);
apple_input_rec_t *tmp = NULL;
if (type != kIOHIDElementTypeInput_Misc)
if (type != kIOHIDElementTypeInput_Button)
if (type != kIOHIDElementTypeInput_Axis)
return;
/* Joystick handler.
* TODO: Can GamePad work the same? */
int pushed_button = 0;
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
{
tmp = adapter->hats;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
tmp = tmp->next;
if(tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex range = IOHIDElementGetLogicalMax(element) - IOHIDElementGetLogicalMin(element);
CFIndex val = IOHIDValueGetIntegerValue(value);
if(range == 3)
val *= 2;
switch(val)
{
case 0:
/* pos = up */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = -1;
break;
case 1:
/* pos = up+right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = -1;
break;
case 2:
/* pos = right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = 0;
break;
case 3:
/* pos = down+right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = 1;
break;
case 4:
/* pos = down */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = 1;
break;
case 5:
/* pos = down+left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = 1;
break;
case 6:
/* pos = left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = 0;
break;
case 7:
/* pos = up_left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = -1;
break;
default:
/* pos = centered */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = 0;
break;
}
}
}
break;
default:
tmp = adapter->axes;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
tmp = tmp->next;
if (tmp)
{
if(tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
float val = (float)state / (float)max;
hid->axes[adapter->slot][tmp->id] =
((val * 2.0f) - 1.0f) * 32767.0f;
}
}
else
pushed_button = 1;
break;
}
break;
}
break;
case kHIDPage_Consumer:
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
pushed_button = 1;
break;
}
break;
}
if (pushed_button)
{
tmp = adapter->buttons;
uint8_t bit = 0;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
{
bit++;
tmp = tmp->next;
}
if(tmp && tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex state = IOHIDValueGetIntegerValue(value);
if (state)
BIT64_SET(hid->buttons[adapter->slot], bit);
else
BIT64_CLEAR(hid->buttons[adapter->slot], bit);
}
}
}
static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
void* sender, IOHIDValueRef value)
{
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)data;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = IOHIDElementGetType(element);
uint32_t page = IOHIDElementGetUsagePage(element);
uint32_t use = IOHIDElementGetUsage(element);
if (type != kIOHIDElementTypeInput_Misc)
if (type != kIOHIDElementTypeInput_Button)
if (type != kIOHIDElementTypeInput_Axis)
return;
/* Joystick handler.
* TODO: Can GamePad work the same? */
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
break;
default:
{
int i;
// +0/-0 => Left Stick Horizontal => 48
// +1/-1 => Left Stick Vertical => 49
// +2/-2 => Right Stick Horizontal => 51
// +3/-3 => Right Stick Vertical => 52
// +4/-4 => Left Trigger (if exists) => 50
// +5/-5 => Right Trigger (if exists) => 53
static const uint32_t axis_use_ids[6] = { 48, 49, 51, 52, 50, 53 };
for (i = 0; i < 6; i ++)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
float val = (float)state / (float)max;
if (use != axis_use_ids[i])
continue;
hid->axes[adapter->slot][i] =
((val * 2.0f) - 1.0f) * 32767.0f;
}
}
break;
}
break;
}
break;
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeInput_Button:
{
CFIndex state = IOHIDValueGetIntegerValue(value);
unsigned id = use - 1;
if (state)
BIT64_SET(hid->buttons[adapter->slot], id);
else
BIT64_CLEAR(hid->buttons[adapter->slot], id);
}
break;
}
break;
}
}
