Split up Apple HID code to input/drivers_hid/apple_hid.c

This commit is contained in:
twinaphex 2015-03-31 14:44:51 +02:00
parent 5bf21de960
commit cdee9eb9d8
3 changed files with 272 additions and 254 deletions

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@ -342,6 +342,7 @@ INPUT
#include "../input/connect/connect_wii.c"
#ifdef HAVE_HID
#include "../input/drivers_hid/apple_hid.c"
#include "../input/drivers_joypad/apple_joypad_hid.c"
#endif

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@ -0,0 +1,271 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2013-2014 - Jason Fetters
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <IOKit/hid/IOHIDManager.h>
#include <IOKit/hid/IOHIDKeys.h>
static IOHIDManagerRef g_hid_manager;
struct pad_connection
{
int v_id;
int p_id;
uint32_t slot;
IOHIDDeviceRef device_handle;
uint8_t data[2048];
};
static void hid_pad_connection_send_control(void *data, uint8_t* data_buf, size_t size)
{
struct pad_connection* connection = (struct pad_connection*)data;
if (connection)
IOHIDDeviceSetReport(connection->device_handle,
kIOHIDReportTypeOutput, 0x01, data_buf + 1, size - 1);
}
/* NOTE: I pieced this together through trial and error,
* any corrections are welcome. */
static void hid_device_input_callback(void* context, IOReturn result,
void* sender, IOHIDValueRef value)
{
driver_t *driver = driver_get_ptr();
apple_input_data_t *apple = (apple_input_data_t*)driver->input_data;
struct pad_connection* connection = (struct pad_connection*)context;
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;
static const uint32_t axis_use_ids[4] = { 48, 49, 50, 53 };
for (i = 0; i < 4; i ++)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
float val = (float)state / (float)max;
if (use != axis_use_ids[i])
continue;
apple->axes[connection->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(apple->buttons[connection->slot], id);
else
BIT64_CLEAR(apple->buttons[connection->slot], id);
}
break;
}
break;
}
}
static void remove_device(void* context, IOReturn result, void* sender)
{
driver_t *driver = driver_get_ptr();
apple_input_data_t *apple = (apple_input_data_t*)driver->input_data;
struct pad_connection* connection = (struct pad_connection*)context;
if (connection && (connection->slot < MAX_USERS))
{
char msg[PATH_MAX_LENGTH];
snprintf(msg, sizeof(msg), "Joypad #%u (%s) disconnected.",
connection->slot, "N/A");
rarch_main_msg_queue_push(msg, 0, 60, false);
RARCH_LOG("[apple_input]: %s\n", msg);
apple->buttons[connection->slot] = 0;
memset(apple->axes[connection->slot], 0, sizeof(apple->axes));
pad_connection_pad_deinit(&slots[connection->slot], connection->slot);
free(connection);
}
}
static void hid_device_report(void* context, IOReturn result, void *sender,
IOHIDReportType type, uint32_t reportID, uint8_t *report,
CFIndex reportLength)
{
struct pad_connection* connection = (struct pad_connection*)context;
if (!connection)
return;
pad_connection_packet(&slots[connection->slot], connection->slot,
connection->data, reportLength + 1);
}
static void add_device(void* context, IOReturn result,
void* sender, IOHIDDeviceRef device)
{
char device_name[PATH_MAX_LENGTH];
CFStringRef device_name_ref;
CFNumberRef vendorID, productID;
autoconfig_params_t params = {{0}};
settings_t *settings = config_get_ptr();
struct pad_connection* connection = (struct pad_connection*)
calloc(1, sizeof(*connection));
connection->device_handle = device;
connection->slot = MAX_USERS;
IOHIDDeviceOpen(device, kIOHIDOptionsTypeNone);
/* Move the device's run loop to this thread. */
IOHIDDeviceScheduleWithRunLoop(device, CFRunLoopGetCurrent(),
kCFRunLoopCommonModes);
IOHIDDeviceRegisterRemovalCallback(device, remove_device, connection);
#ifndef IOS
device_name_ref = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
CFStringGetCString(device_name_ref, device_name,
sizeof(device_name), kCFStringEncodingUTF8);
#endif
vendorID = (CFNumberRef)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDVendorIDKey));
CFNumberGetValue(vendorID, kCFNumberIntType, &connection->v_id);
productID = (CFNumberRef)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductIDKey));
CFNumberGetValue(productID, kCFNumberIntType, &connection->p_id);
connection->slot = pad_connection_pad_init(slots, device_name,
connection, &hid_pad_connection_send_control);
if (pad_connection_has_interface(slots, connection->slot))
IOHIDDeviceRegisterInputReportCallback(device,
connection->data + 1, sizeof(connection->data) - 1,
hid_device_report, connection);
else
IOHIDDeviceRegisterInputValueCallback(device,
hid_device_input_callback, connection);
if (device_name[0] == '\0')
return;
strlcpy(settings->input.device_names[connection->slot],
device_name, sizeof(settings->input.device_names));
params.idx = connection->slot;
strlcpy(params.name, device_name, sizeof(params.name));
params.vid = connection->v_id;
params.pid = connection->p_id;
strlcpy(params.driver, apple_hid_joypad.ident, sizeof(params.driver));
input_config_autoconfigure_joypad(&params);
RARCH_LOG("Port %d: %s.\n", connection->slot, device_name);
}
static void append_matching_dictionary(CFMutableArrayRef array,
uint32_t page, uint32_t use)
{
CFNumberRef usen, pagen;
CFMutableDictionaryRef matcher = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
pagen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &page);
CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsagePageKey), pagen);
CFRelease(pagen);
usen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &use);
CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsageKey), usen);
CFRelease(usen);
CFArrayAppendValue(array, matcher);
CFRelease(matcher);
}
static bool apple_hid_init(void)
{
CFMutableArrayRef matcher;
if (!(g_hid_manager = IOHIDManagerCreate(
kCFAllocatorDefault, kIOHIDOptionsTypeNone)))
return false;
matcher = CFArrayCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeArrayCallBacks);
append_matching_dictionary(matcher, kHIDPage_GenericDesktop,
kHIDUsage_GD_Joystick);
append_matching_dictionary(matcher, kHIDPage_GenericDesktop,
kHIDUsage_GD_GamePad);
IOHIDManagerSetDeviceMatchingMultiple(g_hid_manager, matcher);
CFRelease(matcher);
IOHIDManagerRegisterDeviceMatchingCallback(g_hid_manager,
add_device, 0);
IOHIDManagerScheduleWithRunLoop(g_hid_manager, CFRunLoopGetCurrent(),
kCFRunLoopDefaultMode);
IOHIDManagerOpen(g_hid_manager, kIOHIDOptionsTypeNone);
return true;
}
static void apple_hid_free(void)
{
if (!g_hid_manager)
return;
IOHIDManagerClose(g_hid_manager, kIOHIDOptionsTypeNone);
IOHIDManagerUnscheduleFromRunLoop(g_hid_manager,
CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
CFRelease(g_hid_manager);
g_hid_manager = NULL;
}

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@ -14,267 +14,13 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <IOKit/hid/IOHIDManager.h>
#include <IOKit/hid/IOHIDKeys.h>
#include "../drivers/apple_input.h"
#include "../input_autodetect.h"
#include "../input_common.h"
#include "../../general.h"
#include "../../runloop.h"
struct pad_connection
{
int v_id;
int p_id;
uint32_t slot;
IOHIDDeviceRef device_handle;
uint8_t data[2048];
};
static joypad_connection_t *slots;
static IOHIDManagerRef g_hid_manager;
static void hid_pad_connection_send_control(void *data, uint8_t* data_buf, size_t size)
{
struct pad_connection* connection = (struct pad_connection*)data;
if (connection)
IOHIDDeviceSetReport(connection->device_handle,
kIOHIDReportTypeOutput, 0x01, data_buf + 1, size - 1);
}
/* NOTE: I pieced this together through trial and error,
* any corrections are welcome. */
static void hid_device_input_callback(void* context, IOReturn result,
void* sender, IOHIDValueRef value)
{
driver_t *driver = driver_get_ptr();
apple_input_data_t *apple = (apple_input_data_t*)driver->input_data;
struct pad_connection* connection = (struct pad_connection*)context;
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;
static const uint32_t axis_use_ids[4] = { 48, 49, 50, 53 };
for (i = 0; i < 4; i ++)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
float val = (float)state / (float)max;
if (use != axis_use_ids[i])
continue;
apple->axes[connection->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(apple->buttons[connection->slot], id);
else
BIT64_CLEAR(apple->buttons[connection->slot], id);
}
break;
}
break;
}
}
static void remove_device(void* context, IOReturn result, void* sender)
{
driver_t *driver = driver_get_ptr();
apple_input_data_t *apple = (apple_input_data_t*)driver->input_data;
struct pad_connection* connection = (struct pad_connection*)context;
if (connection && (connection->slot < MAX_USERS))
{
char msg[PATH_MAX_LENGTH];
snprintf(msg, sizeof(msg), "Joypad #%u (%s) disconnected.",
connection->slot, "N/A");
rarch_main_msg_queue_push(msg, 0, 60, false);
RARCH_LOG("[apple_input]: %s\n", msg);
apple->buttons[connection->slot] = 0;
memset(apple->axes[connection->slot], 0, sizeof(apple->axes));
pad_connection_pad_deinit(&slots[connection->slot], connection->slot);
free(connection);
}
}
static void hid_device_report(void* context, IOReturn result, void *sender,
IOHIDReportType type, uint32_t reportID, uint8_t *report,
CFIndex reportLength)
{
struct pad_connection* connection = (struct pad_connection*)context;
if (!connection)
return;
pad_connection_packet(&slots[connection->slot], connection->slot,
connection->data, reportLength + 1);
}
static void add_device(void* context, IOReturn result,
void* sender, IOHIDDeviceRef device)
{
char device_name[PATH_MAX_LENGTH];
CFStringRef device_name_ref;
CFNumberRef vendorID, productID;
autoconfig_params_t params = {{0}};
settings_t *settings = config_get_ptr();
struct pad_connection* connection = (struct pad_connection*)
calloc(1, sizeof(*connection));
connection->device_handle = device;
connection->slot = MAX_USERS;
IOHIDDeviceOpen(device, kIOHIDOptionsTypeNone);
/* Move the device's run loop to this thread. */
IOHIDDeviceScheduleWithRunLoop(device, CFRunLoopGetCurrent(),
kCFRunLoopCommonModes);
IOHIDDeviceRegisterRemovalCallback(device, remove_device, connection);
#ifndef IOS
device_name_ref = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
CFStringGetCString(device_name_ref, device_name,
sizeof(device_name), kCFStringEncodingUTF8);
#endif
vendorID = (CFNumberRef)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDVendorIDKey));
CFNumberGetValue(vendorID, kCFNumberIntType, &connection->v_id);
productID = (CFNumberRef)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductIDKey));
CFNumberGetValue(productID, kCFNumberIntType, &connection->p_id);
connection->slot = pad_connection_pad_init(slots, device_name,
connection, &hid_pad_connection_send_control);
if (pad_connection_has_interface(slots, connection->slot))
IOHIDDeviceRegisterInputReportCallback(device,
connection->data + 1, sizeof(connection->data) - 1,
hid_device_report, connection);
else
IOHIDDeviceRegisterInputValueCallback(device,
hid_device_input_callback, connection);
if (device_name[0] == '\0')
return;
strlcpy(settings->input.device_names[connection->slot],
device_name, sizeof(settings->input.device_names));
params.idx = connection->slot;
strlcpy(params.name, device_name, sizeof(params.name));
params.vid = connection->v_id;
params.pid = connection->p_id;
strlcpy(params.driver, apple_hid_joypad.ident, sizeof(params.driver));
input_config_autoconfigure_joypad(&params);
RARCH_LOG("Port %d: %s.\n", connection->slot, device_name);
}
static void append_matching_dictionary(CFMutableArrayRef array,
uint32_t page, uint32_t use)
{
CFNumberRef usen, pagen;
CFMutableDictionaryRef matcher = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
pagen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &page);
CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsagePageKey), pagen);
CFRelease(pagen);
usen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &use);
CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsageKey), usen);
CFRelease(usen);
CFArrayAppendValue(array, matcher);
CFRelease(matcher);
}
static bool apple_hid_init(void)
{
CFMutableArrayRef matcher;
if (!(g_hid_manager = IOHIDManagerCreate(
kCFAllocatorDefault, kIOHIDOptionsTypeNone)))
return false;
matcher = CFArrayCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeArrayCallBacks);
append_matching_dictionary(matcher, kHIDPage_GenericDesktop,
kHIDUsage_GD_Joystick);
append_matching_dictionary(matcher, kHIDPage_GenericDesktop,
kHIDUsage_GD_GamePad);
IOHIDManagerSetDeviceMatchingMultiple(g_hid_manager, matcher);
CFRelease(matcher);
IOHIDManagerRegisterDeviceMatchingCallback(g_hid_manager,
add_device, 0);
IOHIDManagerScheduleWithRunLoop(g_hid_manager, CFRunLoopGetCurrent(),
kCFRunLoopDefaultMode);
IOHIDManagerOpen(g_hid_manager, kIOHIDOptionsTypeNone);
return true;
}
static void apple_hid_free(void)
{
if (!g_hid_manager)
return;
IOHIDManagerClose(g_hid_manager, kIOHIDOptionsTypeNone);
IOHIDManagerUnscheduleFromRunLoop(g_hid_manager,
CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
CFRelease(g_hid_manager);
g_hid_manager = NULL;
}
static bool apple_joypad_init(void)
{