311 	struct f_acm	*acm = ep->driver_data;  in acm_complete_set_line_coding()  local
312 	struct usb_composite_dev *cdev = acm->port.func.config->cdev;  in acm_complete_set_line_coding()
316 			acm->port_num, req->status);  in acm_complete_set_line_coding()
321 	if (req->actual != sizeof(acm->port_line_coding)) {  in acm_complete_set_line_coding()
323 			acm->port_num, req->actual);  in acm_complete_set_line_coding()
335 		acm->port_line_coding = *value;  in acm_complete_set_line_coding()
341 	struct f_acm		*acm = func_to_acm(f);  in acm_setup()  local
363 				|| w_index != acm->ctrl_id)  in acm_setup()
367 		cdev->gadget->ep0->driver_data = acm;  in acm_setup()
374 		if (w_index != acm->ctrl_id)  in acm_setup()
379 		memcpy(req->buf, &acm->port_line_coding, value);  in acm_setup()
385 		if (w_index != acm->ctrl_id)  in acm_setup()
394 		acm->port_handshake_bits = w_value;  in acm_setup()
409 			acm->port_num, ctrl->bRequestType, ctrl->bRequest,  in acm_setup()
416 					acm->port_num, value);  in acm_setup()
425 	struct f_acm		*acm = func_to_acm(f);  in acm_set_alt()  local
430 	if (intf == acm->ctrl_id) {  in acm_set_alt()
433 		usb_ep_disable(acm->notify);  in acm_set_alt()
435 		if (!acm->notify->desc)  in acm_set_alt()
436 			if (config_ep_by_speed(cdev->gadget, f, acm->notify))  in acm_set_alt()
439 		usb_ep_enable(acm->notify);  in acm_set_alt()
441 	} else if (intf == acm->data_id) {  in acm_set_alt()
442 		if (acm->notify->enabled) {  in acm_set_alt()
444 				"reset acm ttyGS%d\n", acm->port_num);  in acm_set_alt()
445 			gserial_disconnect(&acm->port);  in acm_set_alt()
447 		if (!acm->port.in->desc || !acm->port.out->desc) {  in acm_set_alt()
449 				"activate acm ttyGS%d\n", acm->port_num);  in acm_set_alt()
451 					       acm->port.in) ||  in acm_set_alt()
453 					       acm->port.out)) {  in acm_set_alt()
454 				acm->port.in->desc = NULL;  in acm_set_alt()
455 				acm->port.out->desc = NULL;  in acm_set_alt()
459 		gserial_connect(&acm->port, acm->port_num);  in acm_set_alt()
469 	struct f_acm	*acm = func_to_acm(f);  in acm_disable()  local
472 	dev_dbg(&cdev->gadget->dev, "acm ttyGS%d deactivated\n", acm->port_num);  in acm_disable()
473 	gserial_disconnect(&acm->port);  in acm_disable()
474 	usb_ep_disable(acm->notify);  in acm_disable()
493 static int acm_cdc_notify(struct f_acm *acm, u8 type, u16 value,  in acm_cdc_notify()  argument
496 	struct usb_ep			*ep = acm->notify;  in acm_cdc_notify()
503 	req = acm->notify_req;  in acm_cdc_notify()
504 	acm->notify_req = NULL;  in acm_cdc_notify()
505 	acm->pending = false;  in acm_cdc_notify()
515 	notify->wIndex = cpu_to_le16(acm->ctrl_id);  in acm_cdc_notify()
520 	spin_unlock(&acm->lock);  in acm_cdc_notify()
522 	spin_lock(&acm->lock);  in acm_cdc_notify()
525 		ERROR(acm->port.func.config->cdev,  in acm_cdc_notify()
527 				acm->port_num, status);  in acm_cdc_notify()
528 		acm->notify_req = req;  in acm_cdc_notify()
534 static int acm_notify_serial_state(struct f_acm *acm)  in acm_notify_serial_state()  argument
536 	struct usb_composite_dev *cdev = acm->port.func.config->cdev;  in acm_notify_serial_state()
539 	spin_lock(&acm->lock);  in acm_notify_serial_state()
540 	if (acm->notify_req) {  in acm_notify_serial_state()
542 			acm->port_num, acm->serial_state);  in acm_notify_serial_state()
543 		status = acm_cdc_notify(acm, USB_CDC_NOTIFY_SERIAL_STATE,  in acm_notify_serial_state()
544 				0, &acm->serial_state, sizeof(acm->serial_state));  in acm_notify_serial_state()
546 		acm->pending = true;  in acm_notify_serial_state()
549 	spin_unlock(&acm->lock);  in acm_notify_serial_state()
555 	struct f_acm		*acm = req->context;  in acm_cdc_notify_complete()  local
561 	spin_lock(&acm->lock);  in acm_cdc_notify_complete()
563 		doit = acm->pending;  in acm_cdc_notify_complete()
564 	acm->notify_req = req;  in acm_cdc_notify_complete()
565 	spin_unlock(&acm->lock);  in acm_cdc_notify_complete()
568 		acm_notify_serial_state(acm);  in acm_cdc_notify_complete()
575 	struct f_acm		*acm = port_to_acm(port);  in acm_connect()  local
577 	acm->serial_state |= ACM_CTRL_DSR | ACM_CTRL_DCD;  in acm_connect()
578 	acm_notify_serial_state(acm);  in acm_connect()
583 	struct f_acm		*acm = port_to_acm(port);  in acm_disconnect()  local
585 	acm->serial_state &= ~(ACM_CTRL_DSR | ACM_CTRL_DCD);  in acm_disconnect()
586 	acm_notify_serial_state(acm);  in acm_disconnect()
591 	struct f_acm		*acm = port_to_acm(port);  in acm_send_break()  local
594 	state = acm->serial_state;  in acm_send_break()
599 	acm->serial_state = state;  in acm_send_break()
600 	return acm_notify_serial_state(acm);  in acm_send_break()
610 	struct f_acm		*acm = func_to_acm(f);  in acm_bind()  local
632 	acm->ctrl_id = status;  in acm_bind()
641 	acm->data_id = status;  in acm_bind()
653 	acm->port.in = ep;  in acm_bind()
658 	acm->port.out = ep;  in acm_bind()
663 	acm->notify = ep;  in acm_bind()
666 	acm->notify_req = gs_alloc_req(ep,  in acm_bind()
669 	if (!acm->notify_req)  in acm_bind()
672 	acm->notify_req->complete = acm_cdc_notify_complete;  in acm_bind()
673 	acm->notify_req->context = acm;  in acm_bind()
694 		acm->port_num,  in acm_bind()
697 		acm->port.in->name, acm->port.out->name,  in acm_bind()
698 		acm->notify->name);  in acm_bind()
702 	if (acm->notify_req)  in acm_bind()
703 		gs_free_req(acm->notify, acm->notify_req);  in acm_bind()
712 	struct f_acm		*acm = func_to_acm(f);  in acm_unbind()  local
716 	if (acm->notify_req)  in acm_unbind()
717 		gs_free_req(acm->notify, acm->notify_req);  in acm_unbind()
722 	struct f_acm		*acm = func_to_acm(f);  in acm_free_func()  local
724 	kfree(acm);  in acm_free_func()
730 	struct f_acm *acm;  in acm_alloc_func()  local
732 	acm = kzalloc(sizeof(*acm), GFP_KERNEL);  in acm_alloc_func()
733 	if (!acm)  in acm_alloc_func()
736 	spin_lock_init(&acm->lock);  in acm_alloc_func()
738 	acm->port.connect = acm_connect;  in acm_alloc_func()
739 	acm->port.disconnect = acm_disconnect;  in acm_alloc_func()
740 	acm->port.send_break = acm_send_break;  in acm_alloc_func()
742 	acm->port.func.name = "acm";  in acm_alloc_func()
743 	acm->port.func.strings = acm_strings;  in acm_alloc_func()
745 	acm->port.func.bind = acm_bind;  in acm_alloc_func()
746 	acm->port.func.set_alt = acm_set_alt;  in acm_alloc_func()
747 	acm->port.func.setup = acm_setup;  in acm_alloc_func()
748 	acm->port.func.disable = acm_disable;  in acm_alloc_func()
751 	acm->port_num = opts->port_num;  in acm_alloc_func()
752 	acm->port.func.unbind = acm_unbind;  in acm_alloc_func()
753 	acm->port.func.free_func = acm_free_func;  in acm_alloc_func()
755 	return &acm->port.func;  in acm_alloc_func()
820 DECLARE_USB_FUNCTION_INIT(acm, acm_alloc_instance, acm_alloc_func);