194 	uint8_t fifo_idx = (ep_idx > 0) ? (ep_fifo_res[ep_idx % SHARED_FIFO_NUM]) : 0;  in it82xx2_usb_extend_ep_ctrl()  local
275 		ep_regs[fifo_idx].ep_ctrl.fields.ready_bit = enable;  in it82xx2_usb_extend_ep_ctrl()
498 	uint8_t fifo_idx;  in it82xx2_ep_dequeue()  local
500 	fifo_idx = ep_idx > 0 ? ep_fifo_res[ep_idx % SHARED_FIFO_NUM] : 0;  in it82xx2_ep_dequeue()
503 		ff_regs[fifo_idx].ep_tx_fifo_ctrl = FIFO_FORCE_EMPTY;  in it82xx2_ep_dequeue()
505 		ff_regs[fifo_idx].ep_rx_fifo_ctrl = FIFO_FORCE_EMPTY;  in it82xx2_ep_dequeue()
612 		uint8_t fifo_idx;  in it82xx2_ep_enable()  local
614 		fifo_idx = ep_fifo_res[ep_idx % SHARED_FIFO_NUM];  in it82xx2_ep_enable()
615 		it82xx2_usb_set_ep_ctrl(dev, fifo_idx, EP_ENABLE, true);  in it82xx2_ep_enable()
761 	uint8_t fifo_idx;  in it82xx2_xfer_in_data()  local
764 	fifo_idx = ep_idx > 0 ? ep_fifo_res[ep_idx % SHARED_FIFO_NUM] : 0;  in it82xx2_xfer_in_data()
768 		k_sem_take(&priv->fifo_sem[fifo_idx - 1], K_FOREVER);  in it82xx2_xfer_in_data()
776 		ff_regs[fifo_idx].ep_tx_fifo_data = buf->data[i];  in it82xx2_xfer_in_data()
796 	uint8_t fifo_idx;  in it82xx2_xfer_out_data()  local
799 	fifo_idx = ep_idx > 0 ? ep_fifo_res[ep_idx % SHARED_FIFO_NUM] : 0;  in it82xx2_xfer_out_data()
800 	if (ep_regs[fifo_idx].ep_status & EP_STATUS_ERROR) {  in it82xx2_xfer_out_data()
801 		LOG_WRN("endpoint%d error status 0x%02x", ep_idx, ep_regs[fifo_idx].ep_status);  in it82xx2_xfer_out_data()
805 	len = (uint16_t)ff_regs[fifo_idx].ep_rx_fifo_dcnt_lsb +  in it82xx2_xfer_out_data()
806 	      (((uint16_t)ff_regs[fifo_idx].ep_rx_fifo_dcnt_msb) << 8);  in it82xx2_xfer_out_data()
812 		data_ptr[idx] = ff_regs[fifo_idx].ep_rx_fifo_data;  in it82xx2_xfer_out_data()
820 static uint16_t get_fifo_ctrl(const struct device *dev, const uint8_t fifo_idx)  in get_fifo_ctrl()  argument
827 	if (fifo_idx == 0) {  in get_fifo_ctrl()
828 		LOG_ERR("Invalid fifo_idx 0x%x", fifo_idx);  in get_fifo_ctrl()
832 	fifon_ctrl = (fifo_idx - 1) * 2;  in get_fifo_ctrl()
841 	uint8_t fifo_idx;  in work_handler_xfer_continue()  local
843 	fifo_idx = ep_idx > 0 ? ep_fifo_res[ep_idx % SHARED_FIFO_NUM] : 0;  in work_handler_xfer_continue()
929 	uint8_t fifo_idx;  in it82xx2_fake_token()  local
932 	fifo_idx = ep_idx > 0 ? ep_fifo_res[ep_idx % SHARED_FIFO_NUM] : 0;  in it82xx2_fake_token()
944 			if (get_fifo_ctrl(dev, fifo_idx) != BIT(ep_idx)) {  in it82xx2_fake_token()
974 	uint8_t fifo_idx;  in work_handler_in()  local
982 		fifo_idx = ep_fifo_res[USB_EP_GET_IDX(ep) % SHARED_FIFO_NUM];  in work_handler_in()
984 		k_sem_give(&priv->fifo_sem[fifo_idx - 1]);  in work_handler_in()
1105 	uint8_t fifo_idx;  in work_handler_out()  local
1117 	fifo_idx = ep_idx > 0 ? ep_fifo_res[ep_idx % SHARED_FIFO_NUM] : 0;  in work_handler_out()
1118 	len = (uint16_t)ff_regs[fifo_idx].ep_rx_fifo_dcnt_lsb +  in work_handler_out()
1119 	      (((uint16_t)ff_regs[fifo_idx].ep_rx_fifo_dcnt_msb) << 8);  in work_handler_out()
1255 	for (uint8_t fifo_idx = 0; fifo_idx < 4; fifo_idx++) {  in it82xx2_usb_xfer_done()  local
1259 		ep_ctrl = ep_regs[fifo_idx].ep_ctrl.value;  in it82xx2_usb_xfer_done()
1260 		transtype = ep_regs[fifo_idx].ep_transtype_sts & DC_ALL_TRANS;  in it82xx2_usb_xfer_done()
1262 		if (fifo_idx == 0) {  in it82xx2_usb_xfer_done()
1268 			ep_idx = (epn_ext_ctrl[fifo_idx].epn_ext_ctrl2 & COMPLETED_TRANS) >> 4;  in it82xx2_usb_xfer_done()