mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-23 11:18:25 +00:00
ea3dd6a95b
other input drivers too
515 lines
14 KiB
C
515 lines
14 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2013-2014 - Jason Fetters
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* Copyright (C) 2011-2016 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string/stdstring.h>
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#include <IOKit/hid/IOHIDManager.h>
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#include <IOKit/hid/IOHIDKeys.h>
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#include <retro_miscellaneous.h>
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#include "../input_config.h"
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#include "../input_defines.h"
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#include "../input_hid_driver.h"
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#include "../connect/joypad_connection.h"
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#include "../../tasks/tasks_internal.h"
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#include "../../verbosity.h"
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typedef struct apple_hid
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{
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IOHIDManagerRef ptr;
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joypad_connection_t *slots;
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uint32_t buttons[MAX_USERS];
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int16_t axes[MAX_USERS][6];
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} iohidmanager_hid_t;
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struct iohidmanager_hid_adapter
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{
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uint32_t slot;
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IOHIDDeviceRef handle;
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char name[PATH_MAX_LENGTH];
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uint8_t data[2048];
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};
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static bool iohidmanager_hid_joypad_query(void *data, unsigned pad)
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{
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return pad < MAX_USERS;
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}
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static const char *iohidmanager_hid_joypad_name(void *data, unsigned pad)
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{
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/* TODO/FIXME - implement properly */
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if (pad >= MAX_USERS)
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return NULL;
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return NULL;
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}
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static uint64_t iohidmanager_hid_joypad_get_buttons(void *data, unsigned port)
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{
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)data;
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if (hid)
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return pad_connection_get_buttons(&hid->slots[port], port);
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return 0;
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}
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static bool iohidmanager_hid_joypad_button(void *data,
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unsigned port, uint16_t joykey)
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{
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uint64_t buttons =
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iohidmanager_hid_joypad_get_buttons(data, port);
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)data;
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/* Check hat. */
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if (GET_HAT_DIR(joykey))
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return false;
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/* Check the button. */
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if ((port < MAX_USERS) && (joykey < 32))
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return ((buttons & (1 << joykey)) != 0)
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|| ((hid->buttons[port] & (1 << joykey)) != 0);
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return false;
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}
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static bool iohidmanager_hid_joypad_rumble(void *data, unsigned pad,
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enum retro_rumble_effect effect, uint16_t strength)
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{
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)data;
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if (!hid)
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return false;
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return pad_connection_rumble(&hid->slots[pad], pad, effect, strength);
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}
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static int16_t iohidmanager_hid_joypad_axis(void *data,
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unsigned port, uint32_t joyaxis)
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{
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)data;
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int16_t val = 0;
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if (joyaxis == AXIS_NONE)
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return 0;
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if (AXIS_NEG_GET(joyaxis) < 6)
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{
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val += hid->axes[port][AXIS_NEG_GET(joyaxis)];
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val += pad_connection_get_axis(&hid->slots[port],
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port, AXIS_NEG_GET(joyaxis));
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if (val >= 0)
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val = 0;
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}
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else if(AXIS_POS_GET(joyaxis) < 6)
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{
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val += hid->axes[port][AXIS_POS_GET(joyaxis)];
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val += pad_connection_get_axis(&hid->slots[port],
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port, AXIS_POS_GET(joyaxis));
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if (val <= 0)
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val = 0;
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}
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return val;
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}
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static void iohidmanager_hid_device_send_control(void *data,
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uint8_t* data_buf, size_t size)
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{
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struct iohidmanager_hid_adapter *adapter =
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(struct iohidmanager_hid_adapter*)data;
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if (adapter)
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IOHIDDeviceSetReport(adapter->handle,
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kIOHIDReportTypeOutput, 0x01, data_buf + 1, size - 1);
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}
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static void iohidmanager_hid_device_report(void *data,
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IOReturn result, void *sender,
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IOHIDReportType type, uint32_t reportID, uint8_t *report,
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CFIndex reportLength)
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{
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struct iohidmanager_hid_adapter *adapter =
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(struct iohidmanager_hid_adapter*)data;
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
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if (hid && adapter)
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pad_connection_packet(&hid->slots[adapter->slot], adapter->slot,
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adapter->data, reportLength + 1);
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}
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/* NOTE: I pieced this together through trial and error,
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* any corrections are welcome. */
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static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
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void* sender, IOHIDValueRef value)
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{
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)
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hid_driver_get_data();
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struct iohidmanager_hid_adapter *adapter =
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(struct iohidmanager_hid_adapter*)data;
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IOHIDElementRef element = IOHIDValueGetElement(value);
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uint32_t type = IOHIDElementGetType(element);
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uint32_t page = IOHIDElementGetUsagePage(element);
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uint32_t use = IOHIDElementGetUsage(element);
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if (type != kIOHIDElementTypeInput_Misc)
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if (type != kIOHIDElementTypeInput_Button)
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if (type != kIOHIDElementTypeInput_Axis)
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return;
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/* Joystick handler.
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* TODO: Can GamePad work the same? */
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switch (page)
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{
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case kHIDPage_GenericDesktop:
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switch (type)
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{
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case kIOHIDElementTypeInput_Misc:
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switch (use)
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{
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case kHIDUsage_GD_Hatswitch:
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break;
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default:
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{
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int i;
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static const uint32_t axis_use_ids[6] =
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{ 48, 49, 51, 52, 50, 53 };
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/* +0/-0 => Left Stick Horizontal => 48
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* +1/-1 => Left Stick Vertical => 49
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* +2/-2 => Right Stick Horizontal => 51
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* +3/-3 => Right Stick Vertical => 52
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* +4/-4 => Left Trigger (if exists) => 50
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* +5/-5 => Right Trigger (if exists) => 53
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*/
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for (i = 0; i < 6; i ++)
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{
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CFIndex min = IOHIDElementGetPhysicalMin(element);
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CFIndex state = IOHIDValueGetIntegerValue(value) - min;
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CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
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float val = (float)state / (float)max;
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if (use != axis_use_ids[i])
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continue;
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hid->axes[adapter->slot][i] =
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((val * 2.0f) - 1.0f) * 32767.0f;
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}
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}
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break;
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}
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break;
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}
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break;
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case kHIDPage_Button:
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switch (type)
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{
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case kIOHIDElementTypeInput_Button:
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{
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CFIndex state = IOHIDValueGetIntegerValue(value);
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unsigned id = use - 1;
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if (state)
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BIT64_SET(hid->buttons[adapter->slot], id);
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else
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BIT64_CLEAR(hid->buttons[adapter->slot], id);
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}
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break;
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}
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break;
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}
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}
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static void iohidmanager_hid_device_remove(void *data,
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IOReturn result, void* sender)
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{
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struct iohidmanager_hid_adapter *adapter =
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(struct iohidmanager_hid_adapter*)data;
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)
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hid_driver_get_data();
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if (hid && adapter && (adapter->slot < MAX_USERS))
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{
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input_autoconfigure_disconnect(adapter->slot, adapter->name);
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hid->buttons[adapter->slot] = 0;
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memset(hid->axes[adapter->slot], 0, sizeof(hid->axes));
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pad_connection_pad_deinit(&hid->slots[adapter->slot], adapter->slot);
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}
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if (adapter)
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free(adapter);
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}
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static int32_t iohidmanager_hid_device_get_int_property(
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IOHIDDeviceRef device, CFStringRef key)
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{
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int32_t value;
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CFNumberRef ref = (CFNumberRef)IOHIDDeviceGetProperty(device, key);
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if (ref && (CFGetTypeID(ref) == CFNumberGetTypeID()))
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{
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CFNumberGetValue((CFNumberRef)ref, kCFNumberIntType, &value);
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return value;
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}
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return 0;
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}
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static uint16_t iohidmanager_hid_device_get_vendor_id(IOHIDDeviceRef device)
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{
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return iohidmanager_hid_device_get_int_property(device,
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CFSTR(kIOHIDVendorIDKey));
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}
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static uint16_t iohidmanager_hid_device_get_product_id(IOHIDDeviceRef device)
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{
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return iohidmanager_hid_device_get_int_property(device,
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CFSTR(kIOHIDProductIDKey));
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}
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static void iohidmanager_hid_device_get_product_string(
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IOHIDDeviceRef device, char *buf, size_t len)
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{
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CFStringRef ref = (CFStringRef)
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IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
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if (ref)
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CFStringGetCString(ref, buf, len, kCFStringEncodingUTF8);
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}
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static void iohidmanager_hid_device_add_autodetect(unsigned idx,
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const char *device_name, const char *driver_name,
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uint16_t dev_vid, uint16_t dev_pid)
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{
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if (!input_autoconfigure_connect(
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device_name,
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NULL,
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driver_name,
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idx,
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dev_vid,
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dev_pid
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))
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input_config_set_device_name(idx, device_name);
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RARCH_LOG("Port %d: %s.\n", idx, device_name);
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}
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static void iohidmanager_hid_device_add(void *data, IOReturn result,
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void* sender, IOHIDDeviceRef device)
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{
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IOReturn ret;
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uint16_t dev_vid, dev_pid;
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)
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hid_driver_get_data();
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struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)
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calloc(1, sizeof(*adapter));
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if (!adapter)
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return;
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if (!hid)
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goto error;
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adapter->handle = device;
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ret = IOHIDDeviceOpen(device, kIOHIDOptionsTypeNone);
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if (ret != kIOReturnSuccess)
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goto error;
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/* Move the device's run loop to this thread. */
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IOHIDDeviceScheduleWithRunLoop(device, CFRunLoopGetCurrent(),
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kCFRunLoopCommonModes);
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IOHIDDeviceRegisterRemovalCallback(device,
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iohidmanager_hid_device_remove, adapter);
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#ifndef IOS
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iohidmanager_hid_device_get_product_string(device, adapter->name,
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sizeof(adapter->name));
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#endif
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dev_vid = iohidmanager_hid_device_get_vendor_id (device);
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dev_pid = iohidmanager_hid_device_get_product_id (device);
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adapter->slot = pad_connection_pad_init(hid->slots,
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adapter->name, dev_vid, dev_pid, adapter,
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&iohidmanager_hid_device_send_control);
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if (adapter->slot == -1)
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goto error;
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if (pad_connection_has_interface(hid->slots, adapter->slot))
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IOHIDDeviceRegisterInputReportCallback(device,
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adapter->data + 1, sizeof(adapter->data) - 1,
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iohidmanager_hid_device_report, adapter);
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else
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IOHIDDeviceRegisterInputValueCallback(device,
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iohidmanager_hid_device_input_callback, adapter);
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if (string_is_empty(adapter->name))
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goto error;
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iohidmanager_hid_device_add_autodetect(adapter->slot,
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adapter->name, iohidmanager_hid.ident, dev_vid, dev_pid);
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return;
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error:
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free(adapter);
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}
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static void iohidmanager_hid_append_matching_dictionary(
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CFMutableArrayRef array,
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uint32_t page, uint32_t use)
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{
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CFMutableDictionaryRef matcher = CFDictionaryCreateMutable(
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kCFAllocatorDefault, 0,
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&kCFTypeDictionaryKeyCallBacks,
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&kCFTypeDictionaryValueCallBacks);
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CFNumberRef pagen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &page);
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CFNumberRef usen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &use);
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CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsagePageKey), pagen);
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CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsageKey), usen);
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CFArrayAppendValue(array, matcher);
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CFRelease(pagen);
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CFRelease(usen);
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CFRelease(matcher);
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}
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static int iohidmanager_hid_manager_init(iohidmanager_hid_t *hid)
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{
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if (!hid)
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return -1;
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if (hid->ptr) /* already initialized. */
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return 0;
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hid->ptr = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
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if (!hid->ptr)
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return -1;
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IOHIDManagerSetDeviceMatching(hid->ptr, NULL);
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IOHIDManagerScheduleWithRunLoop(hid->ptr, CFRunLoopGetCurrent(),
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kCFRunLoopDefaultMode);
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return 0;
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}
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static int iohidmanager_hid_manager_free(iohidmanager_hid_t *hid)
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{
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if (!hid || !hid->ptr)
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return -1;
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IOHIDManagerUnscheduleFromRunLoop(hid->ptr,
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CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
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IOHIDManagerClose(hid->ptr, kIOHIDOptionsTypeNone);
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CFRelease(hid->ptr);
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hid->ptr = NULL;
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return 0;
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}
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static int iohidmanager_hid_manager_set_device_matching(
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iohidmanager_hid_t *hid)
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{
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CFMutableArrayRef matcher = CFArrayCreateMutable(kCFAllocatorDefault, 0,
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&kCFTypeArrayCallBacks);
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if (!matcher)
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return -1;
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iohidmanager_hid_append_matching_dictionary(matcher,
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kHIDPage_GenericDesktop,
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kHIDUsage_GD_Joystick);
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iohidmanager_hid_append_matching_dictionary(matcher,
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kHIDPage_GenericDesktop,
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kHIDUsage_GD_GamePad);
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IOHIDManagerSetDeviceMatchingMultiple(hid->ptr, matcher);
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IOHIDManagerRegisterDeviceMatchingCallback(hid->ptr,
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iohidmanager_hid_device_add, 0);
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CFRelease(matcher);
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return 0;
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}
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static void *iohidmanager_hid_init(void)
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{
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iohidmanager_hid_t *hid_apple = (iohidmanager_hid_t*)
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calloc(1, sizeof(*hid_apple));
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if (!hid_apple)
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goto error;
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hid_apple->slots = pad_connection_init(MAX_USERS);
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if (!hid_apple->slots)
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goto error;
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if (iohidmanager_hid_manager_init(hid_apple) == -1)
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goto error;
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if (iohidmanager_hid_manager_set_device_matching(hid_apple) == -1)
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goto error;
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return hid_apple;
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error:
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if (hid_apple->slots)
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free(hid_apple->slots);
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hid_apple->slots = NULL;
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if (hid_apple)
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free(hid_apple);
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return NULL;
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}
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static void iohidmanager_hid_free(void *data)
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{
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iohidmanager_hid_t *hid_apple = (iohidmanager_hid_t*)data;
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if (!hid_apple || !hid_apple->ptr)
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return;
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pad_connection_destroy(hid_apple->slots);
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iohidmanager_hid_manager_free(hid_apple);
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if (hid_apple)
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free(hid_apple);
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}
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static void iohidmanager_hid_poll(void *data)
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{
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(void)data;
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}
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hid_driver_t iohidmanager_hid = {
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iohidmanager_hid_init,
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iohidmanager_hid_joypad_query,
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iohidmanager_hid_free,
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iohidmanager_hid_joypad_button,
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iohidmanager_hid_joypad_get_buttons,
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iohidmanager_hid_joypad_axis,
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iohidmanager_hid_poll,
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iohidmanager_hid_joypad_rumble,
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iohidmanager_hid_joypad_name,
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|
"iohidmanager",
|
|
};
|