mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-23 11:18:25 +00:00
625 lines
16 KiB
C
625 lines
16 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2015-2016 - Sergi Granell (xerpi)
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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 <gccore.h>
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#include <rthreads/rthreads.h>
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#include "../input_defines.h"
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#include "../connect/joypad_connection.h"
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#include "../../tasks/tasks_internal.h"
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#include "../input_hid_driver.h"
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#include "../../verbosity.h"
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#define WIIUSB_SC_NONE 0
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#define WIIUSB_SC_INTMSG 1
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#define WIIUSB_SC_CTRLMSG 2
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#define WIIUSB_SC_CTRLMSG2 3
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typedef struct wiiusb_hid
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{
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joypad_connection_t *connections;
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struct wiiusb_adapter *adapters_head;
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sthread_t *poll_thread;
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volatile bool poll_thread_quit;
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/* helps on knowing if a new device has been inserted */
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bool device_detected;
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/* helps on detecting that a device has just been removed */
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bool removal_cb;
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bool manual_removal;
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} wiiusb_hid_t;
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struct wiiusb_adapter
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{
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wiiusb_hid_t *hid;
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struct wiiusb_adapter *next;
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bool busy;
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int32_t device_id;
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int32_t handle;
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int32_t endpoint_in;
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int32_t endpoint_out;
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int32_t endpoint_in_max_size;
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int32_t endpoint_out_max_size;
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int32_t slot;
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uint8_t *data;
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uint8_t send_control_type;
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uint8_t *send_control_buffer;
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uint32_t send_control_size;
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};
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static void wiiusb_hid_process_control_message(struct wiiusb_adapter* adapter)
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{
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int32_t r;
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switch (adapter->send_control_type)
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{
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case WIIUSB_SC_INTMSG:
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do
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{
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r = USB_WriteIntrMsg(adapter->handle,
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adapter->endpoint_out, adapter->send_control_size,
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adapter->send_control_buffer);
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} while (r < 0);
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break;
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case WIIUSB_SC_CTRLMSG:
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do
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{
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r = USB_WriteCtrlMsg(adapter->handle, USB_REQTYPE_INTERFACE_SET,
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USB_REQ_SETREPORT, (USB_REPTYPE_FEATURE<<8) | 0xf4, 0x0,
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adapter->send_control_size, adapter->send_control_buffer);
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} while (r < 0);
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break;
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case WIIUSB_SC_CTRLMSG2:
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do
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{
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r = USB_WriteCtrlMsg(adapter->handle, USB_REQTYPE_INTERFACE_SET,
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USB_REQ_SETREPORT, (USB_REPTYPE_OUTPUT<<8) | 0x01, 0x0,
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adapter->send_control_size, adapter->send_control_buffer);
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} while (r < 0);
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break;
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/*default: any other case we do nothing */
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}
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/* Reset the control type */
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adapter->send_control_type = WIIUSB_SC_NONE;
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}
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static int32_t wiiusb_hid_read_cb(int32_t size, void *data)
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{
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struct wiiusb_adapter *adapter = (struct wiiusb_adapter*)data;
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wiiusb_hid_t *hid = adapter ? adapter->hid : NULL;
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if (hid && hid->connections && size > 0)
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pad_connection_packet(&hid->connections[adapter->slot],
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adapter->slot, adapter->data-1, size+1);
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if (adapter)
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adapter->busy = false;
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return size;
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}
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static void wiiusb_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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uint8_t control_type;
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struct wiiusb_adapter *adapter = (struct wiiusb_adapter*)data;
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if (!adapter || !data_buf || !adapter->send_control_buffer)
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return;
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/* first byte contains the type of control to use
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* which can be NONE, INT_MSG, CTRL_MSG, CTRL_MSG2 */
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control_type = data_buf[0];
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/* decrement size by one as we are getting rid of first byte */
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adapter->send_control_size = size - 1;
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/* increase the buffer address so we access the actual data */
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data_buf++;
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memcpy(adapter->send_control_buffer, data_buf, adapter->send_control_size);
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/* Activate it so it can be processed in the adapter thread */
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adapter->send_control_type = control_type;
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}
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static void wiiusb_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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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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static void wiiusb_get_description(usb_device_entry *device,
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struct wiiusb_adapter *adapter, usb_devdesc *devdesc)
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{
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unsigned char c;
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unsigned i, k;
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for (c = 0; c < devdesc->bNumConfigurations; c++)
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{
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const usb_configurationdesc *config = &devdesc->configurations[c];
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for (i = 0; i < (int)config->bNumInterfaces; i++)
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{
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const usb_interfacedesc *inter = &config->interfaces[i];
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for(k = 0; k < (int)inter->bNumEndpoints; k++)
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{
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const usb_endpointdesc *epdesc = &inter->endpoints[k];
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bool is_int = (epdesc->bmAttributes & 0x03) == USB_ENDPOINT_INTERRUPT;
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bool is_out = (epdesc->bEndpointAddress & 0x80) == USB_ENDPOINT_OUT;
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bool is_in = (epdesc->bEndpointAddress & 0x80) == USB_ENDPOINT_IN;
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if (is_int)
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{
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if (is_in)
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{
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adapter->endpoint_in = epdesc->bEndpointAddress;
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adapter->endpoint_in_max_size = epdesc->wMaxPacketSize;
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}
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if (is_out)
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{
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adapter->endpoint_out = epdesc->bEndpointAddress;
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adapter->endpoint_out_max_size = epdesc->wMaxPacketSize;
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}
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}
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}
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break;
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}
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}
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}
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static const char *wiiusb_hid_joypad_name(void *data, unsigned pad)
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{
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wiiusb_hid_t *hid = (wiiusb_hid_t*)data;
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if (pad >= MAX_USERS)
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return NULL;
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if (hid)
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return pad_connection_get_name(&hid->connections[pad], pad);
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return NULL;
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}
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static int32_t wiiusb_hid_release_adapter(struct wiiusb_adapter *adapter)
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{
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wiiusb_hid_t *hid = NULL;
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const char *name = NULL;
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if (!adapter)
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return -1;
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hid = adapter->hid;
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name = wiiusb_hid_joypad_name(hid, adapter->slot);
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input_autoconfigure_disconnect(adapter->slot, name);
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pad_connection_pad_deinit(&hid->connections[adapter->slot], adapter->slot);
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free(adapter->send_control_buffer);
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free(adapter->data);
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free(adapter);
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return 0;
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}
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static int wiiusb_hid_remove_adapter(struct wiiusb_adapter *adapter)
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{
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if (!adapter)
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return -1;
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if (adapter->handle > 0)
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USB_CloseDevice(&adapter->handle);
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wiiusb_hid_release_adapter(adapter);
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return 0;
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}
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static int wiiusb_hid_removal_cb(int result, void *usrdata)
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{
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struct wiiusb_adapter *adapter = (struct wiiusb_adapter *)usrdata;
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wiiusb_hid_t *hid = adapter ? adapter->hid : NULL;
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struct wiiusb_adapter *temp = hid ? hid->adapters_head : NULL;
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if (!adapter || !hid || !temp || hid->manual_removal)
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return -1;
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if (temp == adapter)
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hid->adapters_head = adapter->next;
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else
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while (temp->next)
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{
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if (temp->next == adapter)
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{
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temp->next = adapter->next;
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break;
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}
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temp = temp->next;
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}
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/* get rid of the adapter */
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wiiusb_hid_release_adapter(adapter);
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/* notify that we pass thru the removal callback */
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hid->removal_cb = true;
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return 0;
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}
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static int wiiusb_hid_add_adapter(void *data, usb_device_entry *dev)
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{
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usb_devdesc desc;
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const char *device_name = NULL;
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wiiusb_hid_t *hid = (wiiusb_hid_t*)data;
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struct wiiusb_adapter *adapter = (struct wiiusb_adapter*)
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calloc(1, sizeof(struct wiiusb_adapter));
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if (!adapter)
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return -1;
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if (!hid)
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{
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free(adapter);
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RARCH_ERR("Allocation of adapter failed.\n");
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return -1;
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}
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if (USB_OpenDevice(dev->device_id, dev->vid, dev->pid, &adapter->handle) < 0)
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{
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RARCH_ERR("Error opening device 0x%p (VID/PID: %04x:%04x).\n",
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dev->device_id, dev->vid, dev->pid);
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free(adapter);
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return -1;
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}
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adapter->device_id = dev->device_id;
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USB_GetDescriptors(adapter->handle, &desc);
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wiiusb_get_description(dev, adapter, &desc);
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if (adapter->endpoint_in == 0)
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{
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RARCH_ERR("Could not find HID config for device.\n");
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goto error;
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}
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/* Allocate mem for the send control buffer, 32bit aligned */
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adapter->send_control_type = WIIUSB_SC_NONE;
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adapter->send_control_buffer = memalign(32, 128);
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if (!adapter->send_control_buffer)
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{
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RARCH_ERR("Error creating send control buffer.\n");
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goto error;
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}
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/* Sent the pad name as dummy, we don't know the
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* control name until we get its interface */
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adapter->slot = pad_connection_pad_init(hid->connections,
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"hid", desc.idVendor, desc.idProduct,
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adapter, &wiiusb_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->connections, adapter->slot))
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{
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RARCH_ERR(" Interface not found.\n");
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goto error;
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}
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adapter->data = memalign(32, 128);
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adapter->hid = hid;
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adapter->next = hid->adapters_head;
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hid->adapters_head = adapter;
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/* Get the name from the interface */
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device_name = wiiusb_hid_joypad_name(hid, adapter->slot);
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RARCH_LOG("Interface found: [%s].\n", device_name);
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RARCH_LOG("Device 0x%p attached (VID/PID: %04x:%04x).\n",
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adapter->device_id, desc.idVendor, desc.idProduct);
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wiiusb_hid_device_add_autodetect(adapter->slot,
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device_name, wiiusb_hid.ident, desc.idVendor, desc.idProduct);
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USB_FreeDescriptors(&desc);
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USB_DeviceRemovalNotifyAsync(adapter->handle, wiiusb_hid_removal_cb, adapter);
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return 0;
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error:
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if (adapter->send_control_buffer)
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free(adapter->send_control_buffer);
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if (adapter)
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free(adapter);
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USB_FreeDescriptors(&desc);
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USB_CloseDevice(&adapter->handle);
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return -1;
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}
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static bool wiiusb_hid_new_device(wiiusb_hid_t *hid, int32_t id)
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{
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struct wiiusb_adapter *temp;
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if(!hid)
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return false; /* false, so we do not proceed to add it */
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temp = hid->adapters_head;
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while (temp)
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{
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if (temp->device_id == id)
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return false;
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temp = temp->next;
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}
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return true;
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}
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static void wiiusb_hid_scan_for_devices(wiiusb_hid_t *hid)
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{
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unsigned i;
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u8 count;
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usb_device_entry *dev_entries = (usb_device_entry *)
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calloc(MAX_USERS, sizeof(*dev_entries));
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if (!dev_entries)
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goto error;
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if (USB_GetDeviceList(dev_entries, MAX_USERS, USB_CLASS_HID, &count) < 0)
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goto error;
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for (i = 0; i < count; i++)
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{
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/* first check the device is not already in our list */
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if (!wiiusb_hid_new_device(hid, dev_entries[i].device_id))
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continue;
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if (dev_entries[i].vid > 0 && dev_entries[i].pid > 0)
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wiiusb_hid_add_adapter(hid, &dev_entries[i]);
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}
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error:
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if (dev_entries)
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free(dev_entries);
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}
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static void wiiusb_hid_poll_thread(void *data)
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{
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wiiusb_hid_t *hid = (wiiusb_hid_t*)data;
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struct wiiusb_adapter *adapter = NULL;
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if (!hid)
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return;
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while (!hid->poll_thread_quit)
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{
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/* first check for new devices */
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if (hid->device_detected)
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{
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/* turn off the detection flag */
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hid->device_detected = false;
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/* search for new pads and add them as needed */
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wiiusb_hid_scan_for_devices(hid);
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}
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/* process each active adapter */
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for (adapter = hid->adapters_head; adapter; adapter=adapter->next)
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{
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if (adapter->busy)
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continue;
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/* lock itself while writing or reading */
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adapter->busy = true;
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if (adapter->send_control_type)
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wiiusb_hid_process_control_message(adapter);
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USB_ReadIntrMsgAsync(adapter->handle, adapter->endpoint_in,
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adapter->endpoint_in_max_size,
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adapter->data, wiiusb_hid_read_cb, adapter);
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}
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/* Wait 10 milliseconds to process again */
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usleep(10000);
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}
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}
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static int wiiusb_hid_change_cb(int result, void *usrdata)
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{
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wiiusb_hid_t *hid = (wiiusb_hid_t*)usrdata;
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if (!hid)
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return -1;
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/* As it's not coming from the removal callback
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then we detected a new device being inserted */
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if (!hid->removal_cb)
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hid->device_detected = true;
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else
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hid->removal_cb = false;
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/* Re-submit the change alert */
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USB_DeviceChangeNotifyAsync(USB_CLASS_HID, wiiusb_hid_change_cb, usrdata);
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return 0;
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}
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static bool wiiusb_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 uint64_t wiiusb_hid_joypad_get_buttons(void *data, unsigned port)
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{
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wiiusb_hid_t *hid = (wiiusb_hid_t*)data;
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if (hid)
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return pad_connection_get_buttons(&hid->connections[port], port);
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return 0;
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}
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static bool wiiusb_hid_joypad_button(void *data, unsigned port, uint16_t joykey)
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{
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uint64_t buttons = wiiusb_hid_joypad_get_buttons(data, port);
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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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return false;
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}
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static bool wiiusb_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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wiiusb_hid_t *hid = (wiiusb_hid_t*)data;
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if (!hid)
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return false;
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return pad_connection_rumble(&hid->connections[pad], pad, effect, strength);
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}
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static int16_t wiiusb_hid_joypad_axis(void *data,
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unsigned port, uint32_t joyaxis)
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{
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int16_t val = 0;
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wiiusb_hid_t *hid = (wiiusb_hid_t*)data;
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if (joyaxis == AXIS_NONE)
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return 0;
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if (AXIS_NEG_GET(joyaxis) < 4)
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{
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val = pad_connection_get_axis(&hid->connections[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) < 4)
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{
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val = pad_connection_get_axis(&hid->connections[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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|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
static void wiiusb_hid_free(void *data)
|
|
{
|
|
struct wiiusb_adapter *adapter = NULL;
|
|
struct wiiusb_adapter *next_adapter = NULL;
|
|
wiiusb_hid_t *hid = (wiiusb_hid_t*)data;
|
|
|
|
if (!hid)
|
|
return;
|
|
|
|
hid->poll_thread_quit = true;
|
|
|
|
if (hid->poll_thread)
|
|
sthread_join(hid->poll_thread);
|
|
|
|
hid->manual_removal = TRUE;
|
|
|
|
/* remove each of the adapters */
|
|
for (adapter = hid->adapters_head; adapter; adapter = next_adapter)
|
|
{
|
|
next_adapter = adapter->next;
|
|
wiiusb_hid_remove_adapter(adapter);
|
|
}
|
|
|
|
pad_connection_destroy(hid->connections);
|
|
|
|
free(hid);
|
|
}
|
|
|
|
static void *wiiusb_hid_init(void)
|
|
{
|
|
joypad_connection_t *connections = NULL;
|
|
wiiusb_hid_t *hid = (wiiusb_hid_t*)calloc(1, sizeof(*hid));
|
|
|
|
if (!hid)
|
|
goto error;
|
|
|
|
connections = pad_connection_init(MAX_USERS);
|
|
|
|
if (!connections)
|
|
goto error;
|
|
|
|
/* Initialize HID values */
|
|
hid->connections = connections;
|
|
hid->adapters_head = NULL;
|
|
hid->removal_cb = FALSE;
|
|
hid->manual_removal = FALSE;
|
|
hid->poll_thread_quit = FALSE;
|
|
/* we set it initially to TRUE so we force
|
|
* to add the already connected pads */
|
|
hid->device_detected = TRUE;
|
|
|
|
hid->poll_thread = sthread_create(wiiusb_hid_poll_thread, hid);
|
|
|
|
if (!hid->poll_thread)
|
|
{
|
|
RARCH_ERR("Error initializing poll thread.\n");
|
|
goto error;
|
|
}
|
|
|
|
USB_DeviceChangeNotifyAsync(USB_CLASS_HID, wiiusb_hid_change_cb, (void *)hid);
|
|
|
|
return hid;
|
|
|
|
error:
|
|
wiiusb_hid_free(hid);
|
|
return NULL;
|
|
}
|
|
|
|
static void wiiusb_hid_poll(void *data)
|
|
{
|
|
(void)data;
|
|
}
|
|
|
|
hid_driver_t wiiusb_hid = {
|
|
wiiusb_hid_init,
|
|
wiiusb_hid_joypad_query,
|
|
wiiusb_hid_free,
|
|
wiiusb_hid_joypad_button,
|
|
wiiusb_hid_joypad_get_buttons,
|
|
wiiusb_hid_joypad_axis,
|
|
wiiusb_hid_poll,
|
|
wiiusb_hid_joypad_rumble,
|
|
wiiusb_hid_joypad_name,
|
|
"wiiusb",
|
|
};
|