19 static enum usb_status usb_core_set_stall(struct usb_handle *pdev,  in usb_core_set_stall()  argument
23 	struct pcd_handle *hpcd = (struct pcd_handle *)pdev->data;  in usb_core_set_stall()
39 	pdev->driver->ep_set_stall(hpcd->instance, ep);  in usb_core_set_stall()
41 		pdev->driver->ep0_out_start(hpcd->instance);  in usb_core_set_stall()
53 static void usb_core_get_desc(struct usb_handle *pdev,  in usb_core_get_desc()  argument
63 		pbuf = pdev->desc->get_device_desc(&len);  in usb_core_get_desc()
67 		pbuf = pdev->desc->get_config_desc(&len);  in usb_core_get_desc()
73 			pbuf = pdev->desc->get_lang_id_desc(&len);  in usb_core_get_desc()
77 			pbuf = pdev->desc->get_manufacturer_desc(&len);  in usb_core_get_desc()
81 			pbuf = pdev->desc->get_product_desc(&len);  in usb_core_get_desc()
85 			pbuf = pdev->desc->get_serial_desc(&len);  in usb_core_get_desc()
89 			pbuf = pdev->desc->get_configuration_desc(&len);  in usb_core_get_desc()
93 			pbuf = pdev->desc->get_interface_desc(&len);  in usb_core_get_desc()
99 			pbuf = pdev->desc->get_usr_desc(  in usb_core_get_desc()
106 		pbuf = pdev->desc->get_device_qualifier_desc(&len);  in usb_core_get_desc()
110 		if (pdev->desc->get_other_speed_config_desc == NULL) {  in usb_core_get_desc()
111 			usb_core_ctl_error(pdev);  in usb_core_get_desc()
114 		pbuf = pdev->desc->get_other_speed_config_desc(&len);  in usb_core_get_desc()
119 		usb_core_ctl_error(pdev);  in usb_core_get_desc()
127 		usb_core_transmit_ep0(pdev, pbuf, len);  in usb_core_get_desc()
137 static void usb_core_set_config(struct usb_handle *pdev,  in usb_core_set_config()  argument
145 		usb_core_ctl_error(pdev);  in usb_core_set_config()
149 	switch (pdev->dev_state) {  in usb_core_set_config()
152 			pdev->dev_config = cfgidx;  in usb_core_set_config()
153 			pdev->dev_state = USBD_STATE_CONFIGURED;  in usb_core_set_config()
154 			if (!pdev->class) {  in usb_core_set_config()
155 				usb_core_ctl_error(pdev);  in usb_core_set_config()
159 			if (pdev->class->init(pdev, cfgidx) != 0U) {  in usb_core_set_config()
160 				usb_core_ctl_error(pdev);  in usb_core_set_config()
168 			pdev->dev_state = USBD_STATE_ADDRESSED;  in usb_core_set_config()
169 			pdev->dev_config = cfgidx;  in usb_core_set_config()
170 			pdev->class->de_init(pdev, cfgidx);  in usb_core_set_config()
171 		} else if (cfgidx != pdev->dev_config) {  in usb_core_set_config()
172 			if (pdev->class == NULL) {  in usb_core_set_config()
173 				usb_core_ctl_error(pdev);  in usb_core_set_config()
177 			pdev->class->de_init(pdev, pdev->dev_config);  in usb_core_set_config()
179 			pdev->dev_config = cfgidx;  in usb_core_set_config()
181 			if (pdev->class->init(pdev, cfgidx) != 0U) {  in usb_core_set_config()
182 				usb_core_ctl_error(pdev);  in usb_core_set_config()
189 		usb_core_ctl_error(pdev);  in usb_core_set_config()
194 	usb_core_transmit_ep0(pdev, NULL, 0U);  in usb_core_set_config()
203 static void usb_core_get_status(struct usb_handle *pdev,  in usb_core_get_status()  argument
206 	if ((pdev->dev_state != USBD_STATE_ADDRESSED) &&  in usb_core_get_status()
207 	    (pdev->dev_state != USBD_STATE_CONFIGURED)) {  in usb_core_get_status()
208 		usb_core_ctl_error(pdev);  in usb_core_get_status()
212 	pdev->dev_config_status = USB_CONFIG_SELF_POWERED;  in usb_core_get_status()
214 	if (pdev->dev_remote_wakeup != 0U) {  in usb_core_get_status()
215 		pdev->dev_config_status |= USB_CONFIG_REMOTE_WAKEUP;  in usb_core_get_status()
219 	usb_core_transmit_ep0(pdev, (uint8_t *)&pdev->dev_config_status, 2U);  in usb_core_get_status()
228 static void usb_core_set_address(struct usb_handle *pdev,  in usb_core_set_address()  argument
234 		usb_core_ctl_error(pdev);  in usb_core_set_address()
239 	if (pdev->dev_state != USBD_STATE_DEFAULT) {  in usb_core_set_address()
240 		usb_core_ctl_error(pdev);  in usb_core_set_address()
244 	pdev->dev_address = dev_addr;  in usb_core_set_address()
245 	pdev->driver->set_address(((struct pcd_handle *)(pdev->data))->instance,  in usb_core_set_address()
249 	usb_core_transmit_ep0(pdev, NULL, 0U);  in usb_core_set_address()
252 		pdev->dev_state = USBD_STATE_ADDRESSED;  in usb_core_set_address()
254 		pdev->dev_state = USBD_STATE_DEFAULT;  in usb_core_set_address()
265 static enum usb_status usb_core_dev_req(struct usb_handle *pdev,  in usb_core_dev_req()  argument
271 		usb_core_get_desc(pdev, req);  in usb_core_dev_req()
275 		usb_core_set_config(pdev, req);  in usb_core_dev_req()
279 		usb_core_get_status(pdev, req);  in usb_core_dev_req()
283 		usb_core_set_address(pdev, req);  in usb_core_dev_req()
291 		usb_core_ctl_error(pdev);  in usb_core_dev_req()
305 static enum usb_status usb_core_itf_req(struct usb_handle *pdev,  in usb_core_itf_req()  argument
308 	if (pdev->dev_state != USBD_STATE_CONFIGURED) {  in usb_core_itf_req()
309 		usb_core_ctl_error(pdev);  in usb_core_itf_req()
314 		pdev->class->setup(pdev, req);  in usb_core_itf_req()
317 			usb_core_transmit_ep0(pdev, NULL, 0U);  in usb_core_itf_req()
320 		usb_core_ctl_error(pdev);  in usb_core_itf_req()
333 static enum usb_status usb_core_setup_stage(struct usb_handle *pdev,  in usb_core_setup_stage()  argument
336 	struct usb_setup_req *req = &pdev->request;  in usb_core_setup_stage()
345 	pdev->ep0_state = USBD_EP0_SETUP;  in usb_core_setup_stage()
346 	pdev->ep0_data_len = pdev->request.length;  in usb_core_setup_stage()
348 	switch (pdev->request.bm_request & USB_REQ_RECIPIENT_MASK) {  in usb_core_setup_stage()
350 		usb_core_dev_req(pdev, &pdev->request);  in usb_core_setup_stage()
354 		usb_core_itf_req(pdev, &pdev->request);  in usb_core_setup_stage()
360 		      pdev->request.bm_request & USB_REQ_RECIPIENT_MASK);  in usb_core_setup_stage()
361 		usb_core_set_stall(pdev, pdev->request.bm_request &  in usb_core_setup_stage()
377 static enum usb_status usb_core_data_out(struct usb_handle *pdev, uint8_t epnum,  in usb_core_data_out()  argument
383 		pep = &pdev->ep_out[0];  in usb_core_data_out()
384 		if (pdev->ep0_state == USBD_EP0_DATA_OUT) {  in usb_core_data_out()
388 				usb_core_receive(pdev, 0U, pdata,  in usb_core_data_out()
392 				if (pdev->class->ep0_rx_ready &&  in usb_core_data_out()
393 				    (pdev->dev_state ==  in usb_core_data_out()
395 					pdev->class->ep0_rx_ready(pdev);  in usb_core_data_out()
398 				usb_core_transmit_ep0(pdev, NULL, 0U);  in usb_core_data_out()
401 	} else if (pdev->class->data_out != NULL &&  in usb_core_data_out()
402 		   (pdev->dev_state == USBD_STATE_CONFIGURED)) {  in usb_core_data_out()
403 		pdev->class->data_out(pdev, epnum);  in usb_core_data_out()
417 static enum usb_status usb_core_data_in(struct usb_handle *pdev, uint8_t epnum,  in usb_core_data_in()  argument
421 		struct usb_endpoint *pep = &pdev->ep_in[0];  in usb_core_data_in()
423 		if (pdev->ep0_state == USBD_EP0_DATA_IN) {  in usb_core_data_in()
427 				usb_core_transmit(pdev, 0U, pdata,  in usb_core_data_in()
431 				usb_core_receive(pdev, 0U, NULL, 0U);  in usb_core_data_in()
437 				    (pep->total_length < pdev->ep0_data_len)) {  in usb_core_data_in()
438 					usb_core_transmit(pdev, 0U, NULL, 0U);  in usb_core_data_in()
440 					pdev->ep0_data_len = 0U;  in usb_core_data_in()
443 					usb_core_receive(pdev, 0U, NULL, 0U);  in usb_core_data_in()
445 					if (pdev->class->ep0_tx_sent != NULL &&  in usb_core_data_in()
446 					    (pdev->dev_state ==  in usb_core_data_in()
448 						pdev->class->ep0_tx_sent(pdev);  in usb_core_data_in()
451 					usb_core_receive_ep0(pdev, NULL, 0U);  in usb_core_data_in()
455 	} else if ((pdev->class->data_in != NULL) &&  in usb_core_data_in()
456 		   (pdev->dev_state == USBD_STATE_CONFIGURED)) {  in usb_core_data_in()
457 		pdev->class->data_in(pdev, epnum);  in usb_core_data_in()
469 static enum usb_status usb_core_suspend(struct usb_handle *pdev)  in usb_core_suspend()  argument
472 	pdev->dev_old_state = pdev->dev_state;  in usb_core_suspend()
473 	pdev->dev_state = USBD_STATE_SUSPENDED;  in usb_core_suspend()
484 static enum usb_status usb_core_resume(struct usb_handle *pdev)  in usb_core_resume()  argument
487 	pdev->dev_state = pdev->dev_old_state;  in usb_core_resume()
498 static enum usb_status usb_core_sof(struct usb_handle *pdev)  in usb_core_sof()  argument
500 	if (pdev->dev_state == USBD_STATE_CONFIGURED) {  in usb_core_sof()
501 		if (pdev->class->sof != NULL) {  in usb_core_sof()
502 			pdev->class->sof(pdev);  in usb_core_sof()
515 static enum usb_status usb_core_disconnect(struct usb_handle *pdev)  in usb_core_disconnect()  argument
518 	pdev->dev_state = USBD_STATE_DEFAULT;  in usb_core_disconnect()
519 	pdev->class->de_init(pdev, pdev->dev_config);  in usb_core_disconnect()
524 enum usb_status usb_core_handle_it(struct usb_handle *pdev)  in usb_core_handle_it()  argument
530 	switch (pdev->driver->it_handler(pdev->data->instance, &param)) {  in usb_core_handle_it()
532 		usb_core_data_out(pdev, param,  in usb_core_handle_it()
533 				  pdev->data->out_ep[param].xfer_buff);  in usb_core_handle_it()
537 		usb_core_data_in(pdev, param,  in usb_core_handle_it()
538 				 pdev->data->in_ep[param].xfer_buff);  in usb_core_handle_it()
542 		usb_core_setup_stage(pdev, (uint8_t *)pdev->data->setup);  in usb_core_handle_it()
549 		ep = &pdev->data->out_ep[param & USBD_OUT_EPNUM_MASK];  in usb_core_handle_it()
551 		pdev->driver->read_packet(pdev->data->instance, ep->xfer_buff,  in usb_core_handle_it()
558 		ep = &pdev->data->out_ep[param & USBD_OUT_EPNUM_MASK];  in usb_core_handle_it()
560 		pdev->driver->read_packet(pdev->data->instance,  in usb_core_handle_it()
561 					  (uint8_t *)pdev->data->setup, 8);  in usb_core_handle_it()
566 		pdev->dev_state = USBD_STATE_DEFAULT;  in usb_core_handle_it()
570 		if (pdev->data->lpm_state == LPM_L1) {  in usb_core_handle_it()
571 			pdev->data->lpm_state = LPM_L0;  in usb_core_handle_it()
573 			usb_core_resume(pdev);  in usb_core_handle_it()
578 		usb_core_suspend(pdev);  in usb_core_handle_it()
582 		if (pdev->data->lpm_state == LPM_L0) {  in usb_core_handle_it()
583 			pdev->data->lpm_state = LPM_L1;  in usb_core_handle_it()
585 			usb_core_suspend(pdev);  in usb_core_handle_it()
590 		usb_core_sof(pdev);  in usb_core_handle_it()
594 		usb_core_disconnect(pdev);  in usb_core_handle_it()
598 		pdev->driver->write_empty_tx_fifo(  in usb_core_handle_it()
599 			pdev->data->instance, param,  in usb_core_handle_it()
600 			pdev->data->in_ep[param].xfer_len,  in usb_core_handle_it()
601 			(uint32_t *)&pdev->data->in_ep[param].xfer_count,  in usb_core_handle_it()
602 			pdev->data->in_ep[param].maxpacket,  in usb_core_handle_it()
603 			&pdev->data->in_ep[param].xfer_buff);  in usb_core_handle_it()
614 static void usb_core_start_xfer(struct usb_handle *pdev, void *handle,  in usb_core_start_xfer()  argument
618 		pdev->driver->ep0_start_xfer(handle, ep);  in usb_core_start_xfer()
620 		pdev->driver->ep_start_xfer(handle, ep);  in usb_core_start_xfer()
633 enum usb_status usb_core_receive(struct usb_handle *pdev, uint8_t ep_addr,  in usb_core_receive()  argument
637 	struct pcd_handle *hpcd = (struct pcd_handle *)pdev->data;  in usb_core_receive()
653 	usb_core_start_xfer(pdev, hpcd->instance, ep);  in usb_core_receive()
667 enum usb_status usb_core_transmit(struct usb_handle *pdev, uint8_t ep_addr,  in usb_core_transmit()  argument
671 	struct pcd_handle *hpcd = (struct pcd_handle *)pdev->data;  in usb_core_transmit()
687 	usb_core_start_xfer(pdev, hpcd->instance, ep);  in usb_core_transmit()
700 enum usb_status usb_core_receive_ep0(struct usb_handle *pdev, uint8_t *buf,  in usb_core_receive_ep0()  argument
705 		pdev->ep0_state = USBD_EP0_DATA_OUT;  in usb_core_receive_ep0()
707 		pdev->ep0_state = USBD_EP0_STATUS_OUT;  in usb_core_receive_ep0()
710 	pdev->ep_out[0].total_length = len;  in usb_core_receive_ep0()
712 	pdev->ep_out[0].rem_length = 0;  in usb_core_receive_ep0()
714 	pdev->ep_out[0].rem_length = len;  in usb_core_receive_ep0()
718 	return usb_core_receive(pdev, 0U, buf, len);  in usb_core_receive_ep0()
729 enum usb_status usb_core_transmit_ep0(struct usb_handle *pdev, uint8_t *buf,  in usb_core_transmit_ep0()  argument
734 		pdev->ep0_state = USBD_EP0_DATA_IN;  in usb_core_transmit_ep0()
736 		pdev->ep0_state = USBD_EP0_STATUS_IN;  in usb_core_transmit_ep0()
739 	pdev->ep_in[0].total_length = len;  in usb_core_transmit_ep0()
741 	pdev->ep_in[0].rem_length = 0;  in usb_core_transmit_ep0()
743 	pdev->ep_in[0].rem_length = len;  in usb_core_transmit_ep0()
747 	return usb_core_transmit(pdev, 0U, buf, len);  in usb_core_transmit_ep0()
758 void usb_core_ctl_error(struct usb_handle *pdev)  in usb_core_ctl_error()  argument
761 	usb_core_set_stall(pdev, EP0_IN);  in usb_core_ctl_error()
762 	usb_core_set_stall(pdev, EP0_OUT);  in usb_core_ctl_error()
771 enum usb_status usb_core_start(struct usb_handle *pdev)  in usb_core_start()  argument
774 	pdev->driver->start_device(pdev->data->instance);  in usb_core_start()
785 enum usb_status usb_core_stop(struct usb_handle *pdev)  in usb_core_stop()  argument
788 	pdev->class->de_init(pdev, pdev->dev_config);  in usb_core_stop()
791 	pdev->driver->stop_device(pdev->data->instance);  in usb_core_stop()
805 enum usb_status register_usb_driver(struct usb_handle *pdev,  in register_usb_driver()  argument
812 	assert(pdev != NULL);  in register_usb_driver()
818 	pdev->driver = driver;  in register_usb_driver()
819 	pdev->data = pcd_handle;  in register_usb_driver()
820 	pdev->data->instance = driver_handle;  in register_usb_driver()
821 	pdev->dev_state = USBD_STATE_DEFAULT;  in register_usb_driver()
822 	pdev->ep0_state = USBD_EP0_IDLE;  in register_usb_driver()
826 		pdev->ep_in[i].maxpacket = pdev->data->in_ep[i].maxpacket;  in register_usb_driver()
827 		pdev->ep_out[i].maxpacket = pdev->data->out_ep[i].maxpacket;  in register_usb_driver()
840 enum usb_status register_platform(struct usb_handle *pdev,  in register_platform()  argument
843 	assert(pdev != NULL);  in register_platform()
847 	pdev->desc = plat_call_back;  in register_platform()