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bdk: usb: revamp hid logic

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- Add support for GET REPORT. Allows OS to get a single input report.
- Add support for SET_IDLE. Allows OS to control when to send input reports

The SET IDLE and the underlying logic change fixes several things:
- The old issue of congestion in some systems.
- The new bug that would not allow setup packets to be received because mode
 was set to only send when there are changes.
- Now this starts properly as the old code but allows to be changed by OS on
 demand, while continuing servicing setup packets.
This commit is contained in:
CTCaer
2025-06-22 13:24:47 +03:00
parent e1ea05d53a
commit 40b05ea5ea
5 changed files with 143 additions and 41 deletions
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31
bdk/usb/usbd.h
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@@ -1,7 +1,7 @@
/*
* Enhanced & eXtensible USB Device (EDCI & XDCI) driver for Tegra X1
*
* Copyright (c) 2019-2021 CTCaer
* Copyright (c) 2019-2025 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -31,11 +31,11 @@
#define USB_EP_BUFFER_ALIGN (USB_TD_BUFFER_PAGE_SIZE)
#define USB_XFER_START 0
#define USB_XFER_SYNCED_ENUM 1000000
#define USB_XFER_SYNCED_CMD 1000000
#define USB_XFER_SYNCED_DATA 2000000
#define USB_XFER_SYNCED_CLASS 5000000
#define USB_XFER_SYNCED -1
#define USB_XFER_SYNCED_ENUM 1000000 // ~2s.
#define USB_XFER_SYNCED_CMD 1000000 // ~2s.
#define USB_XFER_SYNCED_DATA 2000000 // ~4s.
#define USB_XFER_SYNCED_CLASS 5000000 // ~10s.
#define USB_XFER_SYNCED -1 // Max.
typedef enum _usb_hid_type
{
@@ -122,6 +122,9 @@ typedef enum {
USB_REQUEST_GET_MS_DESCRIPTOR = 0x99,
USB_REQUEST_INTR_GET_REPORT = 1,
USB_REQUEST_INTR_SET_IDLE = 10,
USB_REQUEST_BULK_GET_MAX_LUN = 0xFE,
USB_REQUEST_BULK_RESET = 0xFF
} usb_standard_req_t;
@@ -167,12 +170,13 @@ typedef struct _usb_ops_t
{
int (*usbd_flush_endpoint)(u32);
int (*usbd_set_ep_stall)(u32, int);
int (*usbd_handle_ep0_ctrl_setup)();
int (*usbd_handle_ep0_ctrl_setup)(u32 *);
void (*usbd_end)(bool, bool);
int (*usb_device_init)();
int (*usb_device_enumerate)(usb_gadget_type gadget);
int (*usb_device_enumerate)(usb_gadget_type);
int (*usb_device_class_send_max_lun)(u8);
int (*usb_device_class_send_hid_report)();
int (*usb_device_class_send_hid_report)(void *, u32);
int (*usb_device_ep1_out_read)(u8 *, u32, u32 *, u32);
int (*usb_device_ep1_out_read_big)(u8 *, u32, u32 *);
@@ -186,10 +190,17 @@ typedef struct _usb_ops_t
typedef struct _usb_ctxt_t
{
u32 type;
// UMS.
u32 partition;
u32 offset;
u32 sectors;
u32 ro;
// HID.
u32 idle;
// System.
void (*system_maintenance)(bool);
void *label;
void (*set_text)(void *, const char *);
@@ -201,4 +212,4 @@ void xusb_device_get_ops(usb_ops_t *ops);
int usb_device_gadget_ums(usb_ctxt_t *usbs);
int usb_device_gadget_hid(usb_ctxt_t *usbs);
#endif
#endif