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usb: it82xx2: enable RESUME interrupt

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This commit enables RESUME interrupt mask.

Signed-off-by: Ren Chen <Ren.Chen@ite.com.tw>
This commit is contained in:
Ren Chen 2024-08-19 10:21:40 +08:00 • committed by Fabio Baltieri
commit d410231c7c
1 changed files with 19 additions and 9 deletions
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28
drivers/usb/device/usb_dc_it82xx2.c
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@ -512,11 +512,11 @@ static int it82xx2_usb_dc_ip_init(void)
usb_regs->host_device_control = 0; usb_regs->host_device_control = 0;
usb_regs->dc_interrupt_status = usb_regs->dc_interrupt_status =
DC_TRANS_DONE | DC_RESET_EVENT | DC_SOF_RECEIVED; DC_TRANS_DONE | DC_RESET_EVENT | DC_SOF_RECEIVED | DC_RESUME_INT;
usb_regs->dc_interrupt_mask = 0x00; usb_regs->dc_interrupt_mask = 0x00;
usb_regs->dc_interrupt_mask = usb_regs->dc_interrupt_mask =
DC_TRANS_DONE | DC_RESET_EVENT | DC_SOF_RECEIVED; DC_TRANS_DONE | DC_RESET_EVENT | DC_SOF_RECEIVED | DC_RESUME_INT;
usb_regs->dc_address = DC_ADDR_NULL; usb_regs->dc_address = DC_ADDR_NULL;
@ -834,6 +834,17 @@ static void it82xx2_usb_dc_trans_done(void)
} }
} }
static inline void emit_resume_event(void)
{
if (udata0.suspended) {
udata0.suspended = false;
k_sem_give(&udata0.suspended_sem);
if (udata0.usb_status_cb) {
(*(udata0.usb_status_cb))(USB_DC_RESUME, NULL);
}
}
}
static void it82xx2_usb_dc_isr(void) static void it82xx2_usb_dc_isr(void)
{ {
struct usb_it82xx2_regs *const usb_regs = it82xx2_get_usb_regs(); struct usb_it82xx2_regs *const usb_regs = it82xx2_get_usb_regs();
@ -855,8 +866,14 @@ static void it82xx2_usb_dc_isr(void)
/* sof received */ /* sof received */
if (status & DC_SOF_RECEIVED) { if (status & DC_SOF_RECEIVED) {
it82xx2_enable_sof_int(false); it82xx2_enable_sof_int(false);
emit_resume_event();
k_work_reschedule(&udata0.check_suspended_work, K_MSEC(5)); k_work_reschedule(&udata0.check_suspended_work, K_MSEC(5));
} }
/* resume received */
if (status & DC_RESUME_INT) {
usb_regs->dc_interrupt_status = DC_RESUME_INT;
emit_resume_event();
}
/* transaction done */ /* transaction done */
if (status & DC_TRANS_DONE) { if (status & DC_TRANS_DONE) {
/* clear interrupt before new transaction */ /* clear interrupt before new transaction */
@ -877,13 +894,6 @@ static void suspended_check_handler(struct k_work *item)
if (usb_regs->dc_interrupt_status & DC_SOF_RECEIVED) { if (usb_regs->dc_interrupt_status & DC_SOF_RECEIVED) {
usb_regs->dc_interrupt_status = DC_SOF_RECEIVED; usb_regs->dc_interrupt_status = DC_SOF_RECEIVED;
if (udata->suspended) {
if (udata->usb_status_cb) {
(*(udata->usb_status_cb))(USB_DC_RESUME, NULL);
}
udata->suspended = false;
k_sem_give(&udata->suspended_sem);
}
k_work_reschedule(&udata->check_suspended_work, K_MSEC(5)); k_work_reschedule(&udata->check_suspended_work, K_MSEC(5));
return; return;
} }