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| diff -uprN a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c
@@ -15,15 +15,15 @@
#include <linux/usb/composite.h>
#include <linux/usb/g_hid.h>
-#define DRIVER_DESC "HID Gadget"
+#define DRIVER_DESC "Logitech USB Receiver" // PRODUCT_IDX
#define DRIVER_VERSION "2010/03/16"
#include "u_hid.h"
/*-------------------------------------------------------------------------*/
-#define HIDG_VENDOR_NUM 0x0525 /* XXX NetChip */
-#define HIDG_PRODUCT_NUM 0xa4ac /* Linux-USB HID gadget */
+#define HIDG_VENDOR_NUM 0x046d /* idVendor */
+#define HIDG_PRODUCT_NUM 0xc53f /* idProduct */
/*-------------------------------------------------------------------------*/
@@ -67,7 +67,7 @@
/* string IDs are assigned dynamically */
static struct usb_string strings_dev[] = {
- [USB_GADGET_MANUFACTURER_IDX].s = "",
+ [USB_GADGET_MANUFACTURER_IDX].s = "Logitech",
[USB_GADGET_PRODUCT_IDX].s = DRIVER_DESC,
[USB_GADGET_SERIAL_IDX].s = "",
{ } /* end of list */
@@ -254,6 +254,107 @@
/****************************** Some noise ******************************/
+// 防止移除模块时报找不到release函数的错误
+static void release_hid_dev(struct device *dev) {}
+
+// 添加键盘报告描述符
+static struct hidg_func_descriptor keyboard_report_data = {
+ .subclass = 0, /* No subclass */
+ .protocol = 1, /* 1 Keyboard */ /* 2 Mouse*/
+ .report_length = 8,
+ .report_desc_length = 63,
+ .report_desc = {
+ 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
+ 0x09, 0x06, // USAGE (Keyboard)
+ 0xa1, 0x01, // COLLECTION (Application)
+ 0x05, 0x07, // USAGE_PAGE (Keyboard)
+ 0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl)
+ 0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI)
+ 0x15, 0x00, // LOGICAL_MINIMUM (0)
+ 0x25, 0x01, // LOGICAL_MAXIMUM (1)
+ 0x75, 0x01, // REPORT_SIZE (1)
+ 0x95, 0x08, // REPORT_COUNT (8)
+ 0x81, 0x02, // INPUT (Data,Var,Abs)
+ 0x95, 0x01, // REPORT_COUNT (1)
+ 0x75, 0x08, // REPORT_SIZE (8)
+ 0x81, 0x03, // INPUT (Cnst,Var,Abs)
+ 0x95, 0x05, // REPORT_COUNT (5)
+ 0x75, 0x01, // REPORT_SIZE (1)
+ 0x05, 0x08, // USAGE_PAGE (LEDs)
+ 0x19, 0x01, // USAGE_MINIMUM (Num Lock)
+ 0x29, 0x05, // USAGE_MAXIMUM (Kana)
+ 0x91, 0x02, // OUTPUT (Data,Var,Abs)
+ 0x95, 0x01, // REPORT_COUNT (1)
+ 0x75, 0x03, // REPORT_SIZE (3)
+ 0x91, 0x03, // OUTPUT (Cnst,Var,Abs)
+ 0x95, 0x06, // REPORT_COUNT (6)
+ 0x75, 0x08, // REPORT_SIZE (8)
+ 0x15, 0x00, // LOGICAL_MINIMUM (0)
+ 0x25, 0x65, // LOGICAL_MAXIMUM (101)
+ 0x05, 0x07, // USAGE_PAGE (Keyboard)
+ 0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated))
+ 0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application)
+ 0x81, 0x00, // INPUT (Data,Ary,Abs)
+ 0xc0 // END_COLLECTION
+ }
+};
+
+// 定义键盘设备
+static struct platform_device keyboard_device = {
+ .name = "hidg",
+ .id = 0,
+ .num_resources = 0,
+ .resource = 0,
+ .dev.platform_data = &keyboard_report_data,
+ .dev.release = &release_hid_dev,
+};
+
+// 添加鼠标报告描述符
+static struct hidg_func_descriptor mouse_report_data = {
+ .subclass = 1, /* No subclass */
+ .protocol = 2, /* 1 Keyboard */ /* 2 Mouse*/
+ .report_length = 4,
+ .report_desc_length = 52,
+ .report_desc = {
+ 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
+ 0x09, 0x02, // USAGE (Mouse)
+ 0xa1, 0x01, // COLLECTION (Application)
+ 0x09, 0x01, // USAGE (Pointer)
+ 0xa1, 0x00, // COLLECTION (Physical)
+ 0x05, 0x09, // USAGE_PAGE (Button)
+ 0x19, 0x01, // USAGE_MINIMUM (Button 1)
+ 0x29, 0x03, // USAGE_MAXIMUM (Button 3)
+ 0x15, 0x00, // LOGICAL_MINIMUM (0)
+ 0x25, 0x01, // LOGICAL_MAXIMUM (1)
+ 0x95, 0x03, // REPORT_COUNT (3)
+ 0x75, 0x01, // REPORT_SIZE (1)
+ 0x81, 0x02, // INPUT (Data,Var,Abs)
+ 0x95, 0x01, // REPORT_COUNT (1)
+ 0x75, 0x05, // REPORT_SIZE (5)
+ 0x81, 0x03, // INPUT (Cnst,Var,Abs)
+ 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
+ 0x09, 0x30, // USAGE (X)
+ 0x09, 0x31, // USAGE (Y)
+ 0x09, 0x38, // USAGE (Wheel)
+ 0x15, 0x81, // LOGICAL_MINIMUM (-127)
+ 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
+ 0x75, 0x08, // REPORT_SIZE (8)
+ 0x95, 0x03, // REPORT_COUNT (3)
+ 0x81, 0x06, // INPUT (Data,Var,Rel)
+ 0xc0, // END_COLLECTION
+ 0xc0 // END_COLLECTION
+ }
+};
+
+// 定义鼠标设备
+static struct platform_device mouse_device = {
+ .name = "hidg",
+ .id = 1,
+ .num_resources = 0,
+ .resource = 0,
+ .dev.platform_data = &mouse_report_data,
+ .dev.release = &release_hid_dev,
+};
static struct usb_composite_driver hidg_driver = {
.name = "g_hid",
@@ -280,6 +376,22 @@
{
int status;
+ // 申请注册键盘设备
+ status = platform_device_register(&keyboard_device);
+ if (status < 0) {
+ printk("Failed: Gadget HID Keyboard Device Register Failed!\n");
+ platform_device_unregister(&keyboard_device);
+ return status;
+ }
+
+ // 申请注册鼠标设备
+ status = platform_device_register(&mouse_device);
+ if (status < 0) {
+ printk("Failed: Gadget HID Mouse Device Register Failed!\n");
+ platform_device_unregister(&mouse_device);
+ return status;
+ }
+
status = platform_driver_probe(&hidg_plat_driver,
hidg_plat_driver_probe);
if (status < 0)
@@ -297,5 +409,7 @@
{
usb_composite_unregister(&hidg_driver);
platform_driver_unregister(&hidg_plat_driver);
+ platform_device_unregister(&keyboard_device); // 销毁释放键鼠设备
+ platform_device_unregister(&mouse_device);
}
module_exit(hidg_cleanup);
|