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xusb: update driver

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- Better port init/status
- Correct port status report
- Add babble detection and rescue
- Some refactoring
This commit is contained in:
CTCaer 2021-08-28 17:03:49 +03:00
parent 4914ce1d49
commit 1afb1a50c3
3 changed files with 175 additions and 89 deletions
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7
bdk/usb/usb_t210.h
View file

@ -1,7 +1,7 @@
/*
* Enhanced & eXtensible USB device (EDCI & XDCI) driver for Tegra X1
*
* Copyright (c) 2019-2020 CTCaer
* Copyright (c) 2019-2021 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,
@ -200,6 +200,8 @@ typedef struct _t210_usb2d_t
#define XHCI_ST_IP BIT(4)
#define XUSB_DEV_XHCI_RT_IMOD 0x38
#define XUSB_DEV_XHCI_PORTSC 0x3C
#define XHCI_PORTSC_CCS BIT(0)
#define XHCI_PORTSC_PED BIT(1)
#define XHCI_PORTSC_PR BIT(4)
#define XHCI_PORTSC_PLS_MASK (0xF << 5)
#define XHCI_PORTSC_PLS_U0 (0 << 5)
@ -226,11 +228,12 @@ typedef struct _t210_usb2d_t
#define XUSB_DEV_XHCI_ECPLO 0x40
#define XUSB_DEV_XHCI_ECPHI 0x44
#define XUSB_DEV_XHCI_EP_HALT 0x50
#define XHCI_EP_HALT_DCI BIT(0)
#define XHCI_EP_HALT_DCI_EP0_IN BIT(0)
#define XUSB_DEV_XHCI_EP_PAUSE 0x54
#define XUSB_DEV_XHCI_EP_RELOAD 0x58
#define XUSB_DEV_XHCI_EP_STCHG 0x5C
#define XUSB_DEV_XHCI_PORTHALT 0x6C
#define XUSB_DEV_XHCI_EP_STOPPED 0x78
#define XHCI_PORTHALT_HALT_LTSSM BIT(0)
#define XHCI_PORTHALT_STCHG_REQ BIT(20)
#define XUSB_DEV_XHCI_CFG_DEV_FE 0x85C

1
bdk/usb/usbd.h
View file

@ -148,6 +148,7 @@ typedef enum _usb_error_t
XUSB_ERROR_INVALID_EP = USB_ERROR_XFER_ERROR, // From 2.
XUSB_ERROR_XFER_BULK_IN_RESIDUE = 7,
XUSB_ERROR_INVALID_CYCLE = USB2_ERROR_XFER_EP_DISABLED, // From 8.
XUSB_ERROR_BABBLE_DETECTED = 50,
XUSB_ERROR_SEQ_NUM = 51,
XUSB_ERROR_XFER_DIR = 52,
XUSB_ERROR_PORT_CFG = 54

256
bdk/usb/xusbd.c
View file

@ -1,7 +1,7 @@
/*
* eXtensible USB Device driver (XDCI) for Tegra X1
*
* Copyright (c) 2020 CTCaer
* Copyright (c) 2020-2021 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,
@ -368,7 +368,7 @@ typedef struct _xusbd_controller_t
event_trb_t *event_dequeue_ptr;
u32 event_ccs;
u32 device_state;
u32 bytes_remaining[2];
u32 tx_bytes[2];
u32 tx_count[2];
u32 ctrl_seq_num;
u32 config_num;
@ -881,7 +881,7 @@ int xusb_device_init()
_xusbd_init_device_clocks();
// Enable AHB redirect for access to IRAM for Event/EP ring buffers.
mc_enable_ahb_redirect(); // Can be skipped if IRAM is not used.
mc_enable_ahb_redirect(false); // Can be skipped if IRAM is not used.
// Enable XUSB device IPFS.
XUSB_DEV_DEV(XUSB_DEV_CONFIGURATION) |= DEV_CONFIGURATION_EN_FPCI;
@ -927,7 +927,7 @@ int xusb_device_init()
return USB_RES_OK;
}
static int _xusb_queue_trb(int ep_idx, void *trb, bool ring_doorbell)
static int _xusb_queue_trb(u32 ep_idx, void *trb, bool ring_doorbell)
{
int res = USB_RES_OK;
data_trb_t *next_trb;
@ -1073,7 +1073,7 @@ static int _xusb_issue_normal_trb(u8 *buf, u32 len, usb_dir_t direction)
normal_trb_t trb = {0};
_xusb_create_normal_trb(&trb, buf, len, direction);
int ep_idx = USB_EP_BULK_IN;
u32 ep_idx = USB_EP_BULK_IN;
if (direction == USB_DIR_OUT)
ep_idx = USB_EP_BULK_OUT;
int res = _xusb_queue_trb(ep_idx, &trb, EP_RING_DOORBELL);
@ -1100,19 +1100,32 @@ static int _xusb_issue_data_trb(u8 *buf, u32 len, usb_dir_t direction)
int xusb_set_ep_stall(u32 endpoint, int ep_stall)
{
int ep_idx = BIT(endpoint);
u32 ep_mask = BIT(endpoint);
if (ep_stall)
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_HALT) |= ep_idx;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_HALT) |= ep_mask;
else
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_HALT) &= ~ep_idx;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_HALT) &= ~ep_mask;
// Wait for EP status to change.
int res = _xusb_xhci_mask_wait(XUSB_DEV_XHCI_EP_STCHG, ep_idx, ep_idx, 1000);
int res = _xusb_xhci_mask_wait(XUSB_DEV_XHCI_EP_STCHG, ep_mask, ep_mask, 1000);
if (res)
return res;
// Clear status change.
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_STCHG) = ep_idx;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_STCHG) = ep_mask;
return USB_RES_OK;
}
static int _xusb_wait_ep_stopped(u32 endpoint)
{
u32 ep_mask = BIT(endpoint);
// Wait for EP status to change.
_xusb_xhci_mask_wait(XUSB_DEV_XHCI_EP_STOPPED, ep_mask, ep_mask, 1000);
// Clear status change.
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_STOPPED) = ep_mask;
return USB_RES_OK;
}
@ -1158,20 +1171,27 @@ static int _xusb_handle_transfer_event(transfer_event_trb_t *trb)
return _xusb_issue_status_trb(USB_DIR_OUT);
else if (usbd_xotg->wait_for_event_trb == XUSB_TRB_STATUS)
{
if (usbd_xotg->device_state == XUSB_ADDRESSED_STS_WAIT)
switch (usbd_xotg->device_state)
{
case XUSB_ADDRESSED_STS_WAIT:
usbd_xotg->device_state = XUSB_ADDRESSED;
else if (usbd_xotg->device_state == XUSB_CONFIGURED_STS_WAIT)
break;
case XUSB_CONFIGURED_STS_WAIT:
usbd_xotg->device_state = XUSB_CONFIGURED;
else if (usbd_xotg->device_state == XUSB_LUN_CONFIGURED_STS_WAIT)
break;
case XUSB_LUN_CONFIGURED_STS_WAIT:
usbd_xotg->device_state = XUSB_LUN_CONFIGURED;
else if (usbd_xotg->device_state == XUSB_HID_CONFIGURED_STS_WAIT)
break;
case XUSB_HID_CONFIGURED_STS_WAIT:
usbd_xotg->device_state = XUSB_HID_CONFIGURED;
break;
}
}
break;
case USB_EP_BULK_IN:
usbd_xotg->bytes_remaining[USB_DIR_IN] -= trb->trb_tx_len;
if (usbd_xotg->tx_count[USB_DIR_IN])///////////
usbd_xotg->tx_bytes[USB_DIR_IN] -= trb->trb_tx_len;
if (usbd_xotg->tx_count[USB_DIR_IN])
usbd_xotg->tx_count[USB_DIR_IN]--;
// If bytes remaining for a Bulk IN transfer, return error.
@ -1181,8 +1201,8 @@ static int _xusb_handle_transfer_event(transfer_event_trb_t *trb)
case USB_EP_BULK_OUT:
// If short packet and Bulk OUT, it's not an error because we prime EP for 4KB.
usbd_xotg->bytes_remaining[USB_DIR_OUT] -= trb->trb_tx_len;
if (usbd_xotg->tx_count[USB_DIR_OUT])///////////
usbd_xotg->tx_bytes[USB_DIR_OUT] -= trb->trb_tx_len;
if (usbd_xotg->tx_count[USB_DIR_OUT])
usbd_xotg->tx_count[USB_DIR_OUT]--;
break;
}
@ -1196,6 +1216,11 @@ static int _xusb_handle_transfer_event(transfer_event_trb_t *trb)
xusb_set_ep_stall(trb->ep_id, USB_EP_CFG_STALL);
return USB_RES_OK;
*/
case XUSB_COMP_BABBLE_DETECTED_ERROR:
_xusb_wait_ep_stopped(trb->ep_id);
xusb_set_ep_stall(trb->ep_id, USB_EP_CFG_STALL);
return XUSB_ERROR_BABBLE_DETECTED;
case XUSB_COMP_CTRL_DIR_ERROR:
return XUSB_ERROR_XFER_DIR;
@ -1216,11 +1241,52 @@ static int _xusb_handle_transfer_event(transfer_event_trb_t *trb)
static int _xusb_handle_port_change()
{
u32 res = USB_RES_OK;
u32 status = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC);
u32 halt = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTHALT);
u32 clear_mask = XHCI_PORTSC_CEC | XHCI_PORTSC_PLC | XHCI_PORTSC_PRC | XHCI_PORTSC_WRC | XHCI_PORTSC_CSC;
// Connect status change (CSC).
// Port reset (PR).
if (status & XHCI_PORTSC_PR)
{
//! TODO:
// XHCI_PORTSC_PR: device_state = XUSB_RESET
//_disable_usb_wdt4();
}
// Port Reset Change (PRC).
if (status & XHCI_PORTSC_PRC)
{
// Clear PRC bit.
status &= ~clear_mask;
status |= XHCI_PORTSC_PRC;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) = status;
}
// Warm Port Reset (WPR).
if (status & XHCI_PORTSC_WPR)
{
//_disable_usb_wdt4();
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTHALT) &= ~XHCI_PORTHALT_HALT_LTSSM;
(void)XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTHALT);
//! TODO: XHCI_PORTSC_WPR: device_state = XUSB_RESET
}
// Warm Port Reset Change (WRC).
if (status & XHCI_PORTSC_WRC)
{
// Clear WRC bit.
status &= ~clear_mask;
status |= XHCI_PORTSC_WRC;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) = status;
}
// Reread port status to handle more changes.
status = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC);
// Connect Status Change (CSC).
if (status & XHCI_PORTSC_CSC)
{
//! TODO: Check CCS.
@ -1238,90 +1304,64 @@ static int _xusb_handle_port_change()
volatile xusb_ep_ctx_t *ep_ctxt = &xusb_evtq->xusb_ep_ctxt[XUSB_EP_CTRL_IN];
ep_ctxt->avg_trb_len = 8;
ep_ctxt->max_packet_size = 64;
//! TODO: If super speed is supported, ep context reload, unpause and unhalt must happen.
}
// Clear CSC bit.
status &= ~clear_mask;
status |= XHCI_PORTSC_CSC;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) = status;
}
// Port reset (PR), Port reset change (PRC).
if (status & XHCI_PORTSC_PR || status & XHCI_PORTSC_PRC)
{
//! TODO:
// XHCI_PORTSC_PR: device_state = XUSB_RESET
//_disable_usb_wdt4();
//res = _xusb_xhci_mask_wait(XUSB_DEV_XHCI_PORTSC, XHCI_PORTSC_PRC, XHCI_PORTSC_PRC, 50000); // unpatched0
// if (res) return res;
_xusb_xhci_mask_wait(XUSB_DEV_XHCI_PORTSC, XHCI_PORTSC_PRC, XHCI_PORTSC_PRC, 50000); // patched0
// Clear PRC bit.
status = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) | XHCI_PORTSC_PRC;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) |= XHCI_PORTSC_PRC;
}
// Warm Port Reset (WPR), Warm Port Reset Change (WRC).
if (status & XHCI_PORTSC_WPR || status & XHCI_PORTSC_WRC)
{
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTHALT) &= ~XHCI_PORTHALT_HALT_LTSSM;
(void)XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC);
res = _xusb_xhci_mask_wait(XUSB_DEV_XHCI_PORTSC, XHCI_PORTSC_WRC, XHCI_PORTSC_WRC, 1000);
// Clear WRC bit.
status = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) | XHCI_PORTSC_WRC;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) |= XHCI_PORTSC_WRC;
//! TODO: WPR: device_state = XUSB_RESET
}
// Handle Config Request (STCHG_REQ).
if (halt & XHCI_PORTHALT_STCHG_REQ)
{
// Clear Link Training Status.
status = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTHALT) & ~XHCI_PORTHALT_HALT_LTSSM;
// Clear Link Training Status and pending request/reject.
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTHALT) &= ~XHCI_PORTHALT_HALT_LTSSM;
(void)XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTHALT);
}
// Reread port status to handle more changes.
status = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC);
// Port link state change (PLC).
if (status & XHCI_PORTSC_PLC)
{
//! WAR: Sometimes port speed changes without a CSC event. Set again.
usbd_xotg->port_speed = (status & XHCI_PORTSC_PS) >> 10;
// check PLS
// if U3
// check XHCI_PORTSC_PLS_MASK
// if XHCI_PORTSC_PLS_U3
// device_state = XUSB_SUSPENDED
// else if U0 and XUSB_SUSPENDED
// else if XHCI_PORTSC_PLS_U0 and XUSB_SUSPENDED
// val = XUSB_DEV_XHCI_EP_PAUSE
// XUSB_DEV_XHCI_EP_PAUSE = 0
// XUSB_DEV_XHCI_EP_STCHG = val;
// Clear PLC bit.
status = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) | XHCI_PORTSC_PLC;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) |= XHCI_PORTSC_PLC;
status &= ~clear_mask;
status |= XHCI_PORTSC_PLC;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) = status;
}
// Port configuration link error (CEC).
if (status & XHCI_PORTSC_CEC)
{
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) |= XHCI_PORTSC_CEC;
res = XUSB_ERROR_PORT_CFG;
status = XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC);
status &= ~clear_mask;
status |= XHCI_PORTSC_CEC;
XUSB_DEV_XHCI(XUSB_DEV_XHCI_PORTSC) = status;
return XUSB_ERROR_PORT_CFG;
}
return res;
return USB_RES_OK;
}
static int _xusb_handle_get_ep_status(usb_ctrl_setup_t *ctrl_setup)
static int _xusb_handle_get_ep_status(u32 ep_idx)
{
u32 ep_mask = BIT(ep_idx);
static u8 xusb_ep_status_descriptor[2] = {0};
// Get EP context pointer.
volatile xusb_ep_ctx_t *ep_ctxt = (volatile xusb_ep_ctx_t *)(XUSB_DEV_XHCI(XUSB_DEV_XHCI_ECPLO) & 0xFFFFFFF0);
ep_ctxt = &ep_ctxt[ctrl_setup->wIndex];
xusb_ep_status_descriptor[0] = (ep_ctxt->ep_state == EP_HALTED) ? USB_STATUS_EP_HALTED : USB_STATUS_EP_OK;
xusb_ep_status_descriptor[0] =
(XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_HALT) & ep_mask) ? USB_STATUS_EP_HALTED : USB_STATUS_EP_OK;
return _xusb_issue_data_trb(xusb_ep_status_descriptor, 2, USB_DIR_IN);
}
@ -1536,8 +1576,9 @@ static int _xusbd_handle_ep0_control_transfer(usb_ctrl_setup_t *ctrl_setup)
//gfx_printf("ctrl: %02X %02X %04X %04X %04X\n", _bmRequestType, _bRequest, _wValue, _wIndex, _wLength);
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_HALT) &= ~XHCI_EP_HALT_DCI;
u32 res = _xusb_xhci_mask_wait(XUSB_DEV_XHCI_EP_HALT, XHCI_EP_HALT_DCI, 0, 1000);
// Unhalt EP0 IN.
XUSB_DEV_XHCI(XUSB_DEV_XHCI_EP_HALT) &= ~XHCI_EP_HALT_DCI_EP0_IN;
u32 res = _xusb_xhci_mask_wait(XUSB_DEV_XHCI_EP_HALT, XHCI_EP_HALT_DCI_EP0_IN, 0, 1000);
if (res)
return res;
@ -1557,14 +1598,33 @@ static int _xusbd_handle_ep0_control_transfer(usb_ctrl_setup_t *ctrl_setup)
case (USB_SETUP_HOST_TO_DEVICE | USB_SETUP_TYPE_STANDARD | USB_SETUP_RECIPIENT_ENDPOINT):
if ((_wValue & 0xFF) == USB_FEATURE_ENDPOINT_HALT)
{
if (_bRequest == USB_REQUEST_CLEAR_FEATURE)
if (_bRequest == USB_REQUEST_CLEAR_FEATURE || _bRequest == USB_REQUEST_SET_FEATURE)
{
xusb_set_ep_stall(_wIndex, USB_EP_CFG_CLEAR);
return _xusb_issue_status_trb(USB_DIR_IN);
}
else if (_bRequest == USB_REQUEST_SET_FEATURE)
{
xusb_set_ep_stall(_wIndex, USB_EP_CFG_STALL);
u32 ep = 0;
switch (_wIndex) // endpoint
{
case USB_EP_ADDR_CTRL_OUT:
ep = XUSB_EP_CTRL_OUT;
break;
case USB_EP_ADDR_CTRL_IN:
ep = XUSB_EP_CTRL_IN;
break;
case USB_EP_ADDR_BULK_OUT:
ep = USB_EP_BULK_OUT;
break;
case USB_EP_ADDR_BULK_IN:
ep = USB_EP_BULK_IN;
break;
default:
xusb_set_ep_stall(XUSB_EP_CTRL_IN, USB_EP_CFG_STALL);
return USB_RES_OK;
}
if (_bRequest == USB_REQUEST_CLEAR_FEATURE)
xusb_set_ep_stall(ep, USB_EP_CFG_CLEAR);
else if (_bRequest == USB_REQUEST_SET_FEATURE)
xusb_set_ep_stall(ep, USB_EP_CFG_STALL);
return _xusb_issue_status_trb(USB_DIR_IN);
}
}
@ -1631,7 +1691,28 @@ static int _xusbd_handle_ep0_control_transfer(usb_ctrl_setup_t *ctrl_setup)
case (USB_SETUP_DEVICE_TO_HOST | USB_SETUP_TYPE_STANDARD | USB_SETUP_RECIPIENT_ENDPOINT):
if (_bRequest == USB_REQUEST_GET_STATUS)
return _xusb_handle_get_ep_status(ctrl_setup);
{
u32 ep = 0;
switch (_wIndex) // endpoint
{
case USB_EP_ADDR_CTRL_OUT:
ep = XUSB_EP_CTRL_OUT;
break;
case USB_EP_ADDR_CTRL_IN:
ep = XUSB_EP_CTRL_IN;
break;
case USB_EP_ADDR_BULK_OUT:
ep = USB_EP_BULK_OUT;
break;
case USB_EP_ADDR_BULK_IN:
ep = USB_EP_BULK_IN;
break;
default:
xusb_set_ep_stall(XUSB_EP_CTRL_IN, USB_EP_CFG_STALL);
return USB_RES_OK;
}
return _xusb_handle_get_ep_status(ep);
}
ep_stall = true;
break;
@ -1821,6 +1902,7 @@ int xusb_device_enumerate(usb_gadget_type gadget)
return USB_RES_OK;
}
//! TODO: Do a full deinit.
void xusb_end(bool reset_ep, bool only_controller)
{
CLOCK(CLK_RST_CONTROLLER_RST_DEV_W_SET) = BIT(CLK_W_XUSB_SS);
@ -1855,7 +1937,7 @@ int xusb_device_ep1_out_read(u8 *buf, u32 len, u32 *bytes_read, u32 sync_tries)
int res = USB_RES_OK;
usbd_xotg->tx_count[USB_DIR_OUT] = 0;
usbd_xotg->bytes_remaining[USB_DIR_OUT] = len;
usbd_xotg->tx_bytes[USB_DIR_OUT] = len;
_xusb_issue_normal_trb(buf, len, USB_DIR_OUT);
usbd_xotg->tx_count[USB_DIR_OUT]++;
@ -1865,7 +1947,7 @@ int xusb_device_ep1_out_read(u8 *buf, u32 len, u32 *bytes_read, u32 sync_tries)
res = _xusb_ep_operation(sync_tries);
if (bytes_read)
*bytes_read = res ? 0 : usbd_xotg->bytes_remaining[USB_DIR_OUT];
*bytes_read = res ? 0 : usbd_xotg->tx_bytes[USB_DIR_OUT];
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY, false);
}
@ -1905,7 +1987,7 @@ int xusb_device_ep1_out_reading_finish(u32 *pending_bytes, u32 sync_tries)
res = _xusb_ep_operation(sync_tries); // Infinite retries.
if (pending_bytes)
*pending_bytes = res ? 0 : usbd_xotg->bytes_remaining[USB_DIR_OUT];
*pending_bytes = res ? 0 : usbd_xotg->tx_bytes[USB_DIR_OUT];
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY, false);
@ -1921,7 +2003,7 @@ int xusb_device_ep1_in_write(u8 *buf, u32 len, u32 *bytes_written, u32 sync_trie
int res = USB_RES_OK;
usbd_xotg->tx_count[USB_DIR_IN] = 0;
usbd_xotg->bytes_remaining[USB_DIR_IN] = len;
usbd_xotg->tx_bytes[USB_DIR_IN] = len;
_xusb_issue_normal_trb(buf, len, USB_DIR_IN);
usbd_xotg->tx_count[USB_DIR_IN]++;
@ -1931,7 +2013,7 @@ int xusb_device_ep1_in_write(u8 *buf, u32 len, u32 *bytes_written, u32 sync_trie
res = _xusb_ep_operation(sync_tries);
if (bytes_written)
*bytes_written = res ? 0 : usbd_xotg->bytes_remaining[USB_DIR_IN];
*bytes_written = res ? 0 : usbd_xotg->tx_bytes[USB_DIR_IN];
}
else
{
@ -1954,7 +2036,7 @@ int xusb_device_ep1_in_writing_finish(u32 *pending_bytes, u32 sync_tries)
res = _xusb_ep_operation(sync_tries); // Infinite retries.
if (pending_bytes)
*pending_bytes = res ? 0 : usbd_xotg->bytes_remaining[USB_DIR_IN];
*pending_bytes = res ? 0 : usbd_xotg->tx_bytes[USB_DIR_IN];
return res;
}
@ -2010,7 +2092,7 @@ void xusb_device_get_ops(usb_ops_t *ops)
ops->usbd_flush_endpoint = NULL;
ops->usbd_set_ep_stall = xusb_set_ep_stall;
ops->usbd_handle_ep0_ctrl_setup = xusb_handle_ep0_ctrl_setup;
ops->usbd_end = xusb_end;//////////////////
ops->usbd_end = xusb_end;
ops->usb_device_init = xusb_device_init;
ops->usb_device_enumerate = xusb_device_enumerate;
ops->usb_device_class_send_max_lun = xusb_device_class_send_max_lun;