From 447acce4559f355ffca0522eefb5ae519b673865 Mon Sep 17 00:00:00 2001
From: Jake <jarveson@gmail.com>
Date: Fri, 28 Apr 2017 19:32:22 -0500
Subject: [PATCH] Implement hid_write_control, so we can use
 HidD_SetOutputReport on win, all others are just a wrapper until tested

---
 hidapi/hidapi.h         |  5 +++++
 libusb/hid.c            |  5 +++++
 linux/hid.c             |  6 ++++++
 mac/hid.c               |  6 ++++++
 windows/hid.c           | 13 +++++++++++++
 windows/hidapi_hidsdi.h |  1 +
 6 files changed, 36 insertions(+)

diff --git a/hidapi/hidapi.h b/hidapi/hidapi.h
index 959c912..2a910d0 100644
--- a/hidapi/hidapi.h
+++ b/hidapi/hidapi.h
@@ -514,6 +514,11 @@ extern "C" {
 		*/
 		HID_API_EXPORT const char* HID_API_CALL hid_version_str(void);
 
+		/** RPCS3 EDIT: This attempts to write the output on the 'control' channel
+			Otherwise it's the exact same as hid_write
+		*/
+		int HID_API_EXPORT HID_API_CALL hid_write_control(hid_device *device, const unsigned char *data, size_t length);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/libusb/hid.c b/libusb/hid.c
index 3103f03..f01706e 100644
--- a/libusb/hid.c
+++ b/libusb/hid.c
@@ -1052,6 +1052,11 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path)
 	}
 }
 
+int HID_API_EXPORT hid_write_control(hid_device *dev, const unsigned char *data, size_t length)
+{
+	//RPCS3 TODO: Test if this needs to be changed for control if we ever use it
+	return hid_write(dev, data, length);
+}
 
 HID_API_EXPORT hid_device * HID_API_CALL hid_libusb_wrap_sys_device(intptr_t sys_dev, int interface_num)
 {
diff --git a/linux/hid.c b/linux/hid.c
index 1d79117..7e010e6 100644
--- a/linux/hid.c
+++ b/linux/hid.c
@@ -982,6 +982,12 @@ int HID_API_EXPORT hid_write(hid_device *dev, const unsigned char *data, size_t
 	return bytes_written;
 }
 
+int HID_API_EXPORT hid_write_control(hid_device *dev, const unsigned char *data, size_t length)
+{
+	//RPCS3 TODO: Test if this needs to be changed for control if we ever use it
+	return hid_write(dev, data, length);
+}
+
 
 int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data, size_t length, int milliseconds)
 {
diff --git a/mac/hid.c b/mac/hid.c
index d78ac9b..b7128d3 100644
--- a/mac/hid.c
+++ b/mac/hid.c
@@ -943,6 +943,12 @@ static int get_report(hid_device *dev, IOHIDReportType type, unsigned char *data
 	return -1;
 }
 
+int HID_API_EXPORT hid_write_control(hid_device *dev, const unsigned char *data, size_t length)
+{
+	//RPCS3 TODO: Test if this needs to be changed for control on mac if we ever use it
+	return hid_write(dev, data, length);
+}
+
 int HID_API_EXPORT hid_write(hid_device *dev, const unsigned char *data, size_t length)
 {
 	return set_report(dev, kIOHIDReportTypeOutput, data, length);
diff --git a/windows/hid.c b/windows/hid.c
index da47ff6..4df0549 100644
--- a/windows/hid.c
+++ b/windows/hid.c
@@ -95,6 +95,7 @@ static HidD_GetPreparsedData_ HidD_GetPreparsedData;
 static HidD_FreePreparsedData_ HidD_FreePreparsedData;
 static HidP_GetCaps_ HidP_GetCaps;
 static HidD_SetNumInputBuffers_ HidD_SetNumInputBuffers;
+static HidD_SetOutputReport_ HidD_SetOutputReport;
 
 static CM_Locate_DevNodeW_ CM_Locate_DevNodeW = NULL;
 static CM_Get_Parent_ CM_Get_Parent = NULL;
@@ -148,6 +149,7 @@ static int lookup_functions()
 	RESOLVE(hid_lib_handle, HidD_FreePreparsedData);
 	RESOLVE(hid_lib_handle, HidP_GetCaps);
 	RESOLVE(hid_lib_handle, HidD_SetNumInputBuffers);
+	RESOLVE(hid_lib_handle, HidD_SetOutputReport);
 
 	RESOLVE(cfgmgr32_lib_handle, CM_Locate_DevNodeW);
 	RESOLVE(cfgmgr32_lib_handle, CM_Get_Parent);
@@ -879,6 +881,17 @@ end_of_function:
 	return function_result;
 }
 
+int HID_API_EXPORT HID_API_CALL hid_write_control(hid_device *dev, const unsigned char *data, size_t length)
+{
+	BOOL res = HidD_SetOutputReport(dev->device_handle, (PVOID)data, (ULONG)length);
+
+	if (!res) {
+		register_winapi_error(dev, L"SetOutputReport");
+		return -1;
+	}
+
+	return (int)length;
+}
 
 int HID_API_EXPORT HID_API_CALL hid_read_timeout(hid_device *dev, unsigned char *data, size_t length, int milliseconds)
 {
diff --git a/windows/hidapi_hidsdi.h b/windows/hidapi_hidsdi.h
index 453f899..1be909a 100644
--- a/windows/hidapi_hidsdi.h
+++ b/windows/hidapi_hidsdi.h
@@ -54,6 +54,7 @@ typedef BOOLEAN (__stdcall *HidD_GetIndexedString_)(HANDLE handle, ULONG string_
 typedef BOOLEAN (__stdcall *HidD_GetPreparsedData_)(HANDLE handle, PHIDP_PREPARSED_DATA *preparsed_data);
 typedef BOOLEAN (__stdcall *HidD_FreePreparsedData_)(PHIDP_PREPARSED_DATA preparsed_data);
 typedef BOOLEAN (__stdcall *HidD_SetNumInputBuffers_)(HANDLE handle, ULONG number_buffers);
+typedef BOOLEAN (__stdcall *HidD_SetOutputReport_)(HANDLE handle, PVOID data, ULONG length);
 
 #endif