예제 #1
0
/**
 * @brief submit asynchronous urb 
 * @param host struct uhci_host
 * @param device struct usb_device
 * @param epdesc struct usb_endpoint_descriptor
 * @param data void *  
 * @param size u16 
 * @param callback int * 
 * @param arg void* 
 * @param ioc int  
 */	
static struct usb_request_block *
uhci_submit_async(struct uhci_host *host, struct usb_device *device,
		  struct usb_endpoint_descriptor *epdesc, 
		  void *data, u16 size,
		  int (*callback)(struct usb_host *,
				  struct usb_request_block *, void *), 
		  void *arg, int ioc)
{
	struct usb_request_block *urb;
	size_t pktsize;
	u32 lospeed = 0;

	urb = uhci_create_urb(host);
	if (!urb)
		return (struct usb_request_block *)NULL;
	if (device) {
		spinlock_lock(&device->lock_dev);
		init_urb(urb, device->devnum, epdesc, callback, arg);
		spinlock_unlock(&device->lock_dev);
	}

	/* determine if we are dealing with a low speed device or not */
	if (device) {
		if (device->speed == UD_SPEED_UNDEF) {
			u16 portsc;
			ASSERT (device->portno <= UHCI_NUM_PORTS_HC);
			portsc = host->portsc[(device->portno-1)];
			device->speed = (portsc & UHCI_PORTSC_LOSPEED) ? 
				UD_SPEED_LOW : UD_SPEED_FULL;
		}
		lospeed = (device->speed == UD_SPEED_LOW) ? UHCI_TD_STAT_LS : 0;
	}

	/* create a QH */
	URB_UHCI(urb)->qh = uhci_alloc_qh(host, &URB_UHCI(urb)->qh_phys);
	if (!URB_UHCI(urb)->qh)
		goto fail_submit_async;

	URB_UHCI(urb)->qh->link = UHCI_QH_LINK_TE;

	pktsize = epdesc->wMaxPacketSize;

	/* buffer and TD */
	if (size > 0) {
		struct usb_buffer_list *b;

		b = zalloc_usb_buffer_list();
		b->pid = USB_PID_IN;
		b->len = size;
		b->vadr = (virt_t)alloc2_aligned(b->len, &b->padr);
		if (!b->vadr) {
			free(b);
			goto fail_submit_async;
		}

		/* copy data if OUT direction */
		if (!USB_EP_DIRECT(epdesc)) {
			b->pid = USB_PID_OUT;
			memcpy((void *)b->vadr, data, b->len);
		}

		urb->buffers = b;
	}

	if (device) {
		spinlock_lock(&device->lock_dev);
		URB_UHCI(urb)->tdm_head = 
			prepare_buffer_tds(host, (urb->buffers) ? 
					   (phys32_t)urb->buffers->padr : 0U,
					   size, device->devnum, epdesc,
					   (size_t)pktsize,
					   UHCI_TD_STAT_AC | 
					   UHCI_TD_STAT_SP | 
					   lospeed | 
					   uhci_td_maxerr(3));
		spinlock_unlock(&device->lock_dev);
	}

	if (!URB_UHCI(urb)->tdm_head)
		goto fail_submit_async;

	/* link the TDs into the QH */
	URB_UHCI(urb)->qh->element = URB_UHCI(urb)->tdm_head->td_phys;
	
	/* set IOC */
	if (ioc)
		URB_UHCI(urb)->tdm_head->td->status |= UHCI_TD_STAT_IC;

	/* set up toggles in TDs */
	epdesc->toggle = uhci_fixup_toggles(URB_UHCI(urb)->tdm_head, 
					    epdesc->toggle);

	/* link the QH into the frame list */
	if (uhci_activate_urb(host, urb) != URB_STATUS_RUN)
		goto fail_submit_async;

	URB_UHCI(urb)->tdm_acttail = NULL;

	return urb;
fail_submit_async:
	uhci_destroy_urb(host, urb);
	return (struct usb_request_block *)NULL;
}
예제 #2
0
/**
 * @brief submit asynchronous urb 
 * @param host struct uhci_host
 * @param device struct usb_device
 * @param epdesc struct usb_endpoint_descriptor
 * @param data void *  
 * @param size u16 
 * @param callback int * 
 * @param arg void* 
 * @param ioc int  
 */	
static struct usb_request_block *
uhci_submit_async(struct uhci_host *host, struct usb_device *device,
		  struct usb_endpoint_descriptor *epdesc, 
		  void *data, u16 size,
		  int (*callback)(struct usb_host *,
				  struct usb_request_block *, void *), 
		  void *arg, int ioc)
{
	struct usb_request_block *urb;
	size_t pktsize;

	urb = create_urb(host);
	if (!urb)
		return (struct usb_request_block *)NULL;
	if (device){
		spinlock_lock(&device->lock_dev);
		init_urb(urb, device->devnum, epdesc, callback, arg);
		spinlock_unlock(&device->lock_dev);
	}
	/* create a QH */
	URB_UHCI(urb)->qh = uhci_alloc_qh(host, &URB_UHCI(urb)->qh_phys);
	if (!URB_UHCI(urb)->qh)
		goto fail_submit_async;

	URB_UHCI(urb)->qh->link = UHCI_QH_LINK_TE;

	pktsize = epdesc->wMaxPacketSize;

	/* buffer and TD */
	if (size > 0) {
		struct usb_buffer_list *b;

		b = zalloc_usb_buffer_list();
		b->len = size;
		b->vadr = malloc_from_pool(host->pool, b->len, &b->padr);
		if (!b->vadr) {
			free(b);
			goto fail_submit_async;
		}

		/* copy data if OUT direction */
		if (!USB_EP_DIRECT(epdesc))
			memcpy((void *)b->vadr, data, b->len);

		urb->buffers = b;
	}

	if (device){
		spinlock_lock(&device->lock_dev);
		URB_UHCI(urb)->tdm_head = 
			prepare_buffer_tds(host, (urb->buffers) ? 
					   (phys32_t)urb->buffers->padr : 0U,
					   size, device->devnum, epdesc,
					   UHCI_TD_STAT_AC | 
					   UHCI_TD_STAT_SP | 
					   uhci_td_maxerr(3));
		spinlock_unlock(&device->lock_dev);
	}

	if (!URB_UHCI(urb)->tdm_head)
		goto fail_submit_async;

	/* link the TDs into the QH */
	URB_UHCI(urb)->qh->element = URB_UHCI(urb)->tdm_head->td_phys;
	
	/* set IOC */
	if (ioc)
		URB_UHCI(urb)->tdm_head->td->status |= UHCI_TD_STAT_IC;

	/* set up toggles in TDs */
	epdesc->toggle = uhci_fixup_toggles(URB_UHCI(urb)->tdm_head, 
					    epdesc->toggle);

	/* link the QH into the frame list */
	if (uhci_activate_urb(host, urb) != URB_STATUS_RUN)
		goto fail_submit_async;

	link_urb(&host->inproc_urbs, urb);

	return urb;
fail_submit_async:
	destroy_urb(host, urb);
	return (struct usb_request_block *)NULL;
}
예제 #3
0
/**
 * @brief submit the control messagie
 * @param host struct uhci_host
 * @param device struct usb_device 
 * @param endpoint u8
 * @param csetup struct usb_device 
 * @param callback int * 
 * @param arg void* 
 * @param ioc int  
 */	
struct usb_request_block *
uhci_submit_control(struct usb_host *usbhc, struct usb_device *device, 
		    u8 endpoint, u16 pktsz, struct usb_ctrl_setup *csetup,
		    int (*callback)(struct usb_host *,
				    struct usb_request_block *, void *), 
		    void *arg, int ioc)
{
	struct uhci_host *host = (struct uhci_host *)usbhc->private;
	struct usb_request_block *urb;
	struct usb_endpoint_descriptor *epdesc;
	struct uhci_td_meta *tdm;
	struct usb_buffer_list *b;
	u32 lospeed = 0;

	epdesc = get_edesc_by_address(device, endpoint);
	if (!epdesc) {
		if (endpoint != 0) {
			dprintft(2, "%04x: %s: no endpoint(%d) found.\n",
				 host->iobase, __FUNCTION__, endpoint);

			return (struct usb_request_block *)NULL;
		}
		
		/* use the default endpoint */
		epdesc = &default_ep0;
	}

	/* determine if we are dealing with a low speed device or not */
	if (device) {
		if (device->speed == UD_SPEED_UNDEF) {
			u16 portsc;
			ASSERT (device->portno <= UHCI_NUM_PORTS_HC);
			portsc = host->portsc[(device->portno-1)];
			device->speed = (portsc & UHCI_PORTSC_LOSPEED) ? 
				UD_SPEED_LOW : UD_SPEED_FULL;
		}
		lospeed = (device->speed == UD_SPEED_LOW) ? UHCI_TD_STAT_LS : 0;
	}

	dprintft(5, "%s: epdesc->wMaxPacketSize = %d\n", 
		__FUNCTION__, epdesc->wMaxPacketSize);

	urb = uhci_create_urb(host);
	if (!urb)
		return (struct usb_request_block *)NULL;
	if (device) {
		spinlock_lock(&device->lock_dev);
		init_urb(urb, device->devnum, epdesc, callback, arg);
		spinlock_unlock(&device->lock_dev);
	}
	/* create a QH */
	URB_UHCI(urb)->qh = uhci_alloc_qh(host, &URB_UHCI(urb)->qh_phys);
	if (!URB_UHCI(urb)->qh)
		goto fail_submit_control;

	URB_UHCI(urb)->qh->link = UHCI_QH_LINK_TE;

	if (pktsz == 0)
		pktsz = epdesc->wMaxPacketSize;

	/* SETUP TD */
	URB_UHCI(urb)->tdm_head = tdm = uhci_new_td_meta(host, NULL);
	if (!tdm)
		goto fail_submit_control;
	URB_UHCI(urb)->qh->element = 
		URB_UHCI(urb)->qh_element_copy = tdm->td_phys;
	b = zalloc_usb_buffer_list();
	b->pid = USB_PID_SETUP;
	b->len = sizeof(*csetup);
	b->vadr = (virt_t)alloc2_aligned(b->len, &b->padr);
		
	if (!b->vadr) {
		free(b);
		goto fail_submit_control;
	}
	urb->buffers = b;
	memcpy((void *)b->vadr, (void *)csetup, b->len);

	tdm->td->status = tdm->status_copy =
		UHCI_TD_STAT_AC | lospeed | uhci_td_maxerr(3);
	if (device) {
		spinlock_lock(&device->lock_dev);
		tdm->td->token = tdm->token_copy =
			uhci_td_explen(sizeof(*csetup)) |
			UHCI_TD_TOKEN_ENDPOINT(epdesc->bEndpointAddress) | 
			UHCI_TD_TOKEN_DEVADDRESS(device->devnum) |
			UHCI_TD_TOKEN_PID_SETUP;
		spinlock_unlock(&device->lock_dev);
	}
	tdm->td->buffer = (phys32_t)b->padr;

	if (csetup->wLength > 0) {
		b = zalloc_usb_buffer_list();
		b->pid = USB_PID_IN;
		b->len = csetup->wLength;
		b->vadr = (virt_t)alloc2_aligned(b->len, &b->padr);

		if (!b->vadr) {
			free(b);
			goto fail_submit_control;
		}

		b->next = urb->buffers;
		urb->buffers = b;
		if (device) {
			spinlock_lock(&device->lock_dev);
			tdm = prepare_buffer_tds(host, (phys32_t)b->padr, 
						 b->len,
						 device->devnum, epdesc, 
						 (size_t)pktsz,
						 UHCI_TD_STAT_AC | 
						 UHCI_TD_STAT_SP | 
						 lospeed |
						 uhci_td_maxerr(3));
			spinlock_unlock(&device->lock_dev);
		}
		if (!tdm)
			goto fail_submit_control;
		dprintft(5, "%s: tdm->td_phys = %llx\n", 
			__FUNCTION__, tdm->td_phys);
		URB_UHCI(urb)->tdm_head->next = tdm;
		URB_UHCI(urb)->tdm_head->td->link = tdm->td_phys;

	}

	/* The 1st toggle for SETUP must be 0. */
	uhci_fixup_toggles(URB_UHCI(urb)->tdm_head, epdesc->toggle);

	/* append one more TD for the status stage */
	for (tdm = URB_UHCI(urb)->tdm_head; tdm->next; tdm = tdm->next);
	tdm->next = uhci_new_td_meta(host, NULL);
	if (!tdm->next)
		goto fail_submit_control;
	
        tdm->next->td->link = UHCI_TD_LINK_TE;
        tdm->next->td->status = UHCI_TD_STAT_AC | lospeed | uhci_td_maxerr(3);
	if (ioc) 
		tdm->next->td->status |= UHCI_TD_STAT_IC;
	if (device) {
		spinlock_lock(&device->lock_dev);
		tdm->next->td->token = uhci_td_explen(0) |
			UHCI_TD_TOKEN_ENDPOINT(epdesc->bEndpointAddress) | 
			UHCI_TD_TOKEN_DEVADDRESS(device->devnum) |
			UHCI_TD_TOKEN_DT1_TOGGLE;
		spinlock_unlock(&device->lock_dev);
	}
	tdm->next->td->token |= (csetup->wLength > 0) ? 
		UHCI_TD_TOKEN_PID_OUT : UHCI_TD_TOKEN_PID_IN;
        tdm->next->td->buffer = 0U;
	tdm->td->link = (phys32_t)tdm->next->td_phys;

	/* link the QH into the frame list */
	if (uhci_activate_urb(host, urb) != URB_STATUS_RUN)
		goto fail_submit_control;

	URB_UHCI(urb)->tdm_acttail = NULL;

	return urb;
fail_submit_control:
	uhci_destroy_urb(host, urb);
	return (struct usb_request_block *)NULL;
}
예제 #4
0
/**
 * @brief submit the control messagie
 * @param host struct uhci_host
 * @param device struct usb_device 
 * @param endpoint u8
 * @param csetup struct usb_device 
 * @param callback int * 
 * @param arg void* 
 * @param ioc int  
 */	
struct usb_request_block *
uhci_submit_control(struct uhci_host *host, struct usb_device *device, 
		    u8 endpoint, struct usb_ctrl_setup *csetup,
		    int (*callback)(struct usb_host *,
				    struct usb_request_block *, void *), 
		    void *arg, int ioc)
{
	struct usb_request_block *urb;
	struct usb_endpoint_descriptor *epdesc;
	struct uhci_td_meta *tdm;
	struct usb_buffer_list *b;
	size_t pktsize;

	epdesc = usb_epdesc(device, endpoint);
	if (!epdesc) {
		dprintft(2, "%04x: %s: no endpoint(%d) found.\n",
			 host->iobase, __FUNCTION__, endpoint);

		return (struct usb_request_block *)NULL;
	}

	dprintft(5, "%s: epdesc->wMaxPacketSize = %d\n", 
		__FUNCTION__, epdesc->wMaxPacketSize);

	urb = create_urb(host);
	if (!urb)
		return (struct usb_request_block *)NULL;
	if (device){
		spinlock_lock(&device->lock_dev);
		init_urb(urb, device->devnum, epdesc, callback, arg);
		spinlock_unlock(&device->lock_dev);
	}
	/* create a QH */
	URB_UHCI(urb)->qh = uhci_alloc_qh(host, &URB_UHCI(urb)->qh_phys);
	if (!URB_UHCI(urb)->qh)
		goto fail_submit_control;

	URB_UHCI(urb)->qh->link = UHCI_QH_LINK_TE;

	pktsize = epdesc->wMaxPacketSize;

	/* SETUP TD */
	URB_UHCI(urb)->tdm_head = tdm = uhci_new_td_meta(host, NULL);
	if (!tdm)
		goto fail_submit_control;
	URB_UHCI(urb)->qh->element = 
		URB_UHCI(urb)->qh_element_copy = tdm->td_phys;
	b = zalloc_usb_buffer_list();
	b->len = sizeof(*csetup);
	b->vadr = malloc_from_pool(host->pool, b->len, &b->padr);
		
	if (!b->vadr) {
		free(b);
		goto fail_submit_control;
	}
	urb->buffers = b;
	memcpy((void *)b->vadr, (void *)csetup, b->len);

	tdm->td->status = tdm->status_copy =
		UHCI_TD_STAT_AC | uhci_td_maxerr(3);
	if (device){
		spinlock_lock(&device->lock_dev);
		tdm->td->token = tdm->token_copy =
			uhci_td_explen(sizeof(*csetup)) |
			UHCI_TD_TOKEN_ENDPOINT(epdesc->bEndpointAddress) | 
			UHCI_TD_TOKEN_DEVADDRESS(device->devnum) |
			UHCI_TD_TOKEN_PID_SETUP;
		spinlock_unlock(&device->lock_dev);
	}
	tdm->td->buffer = (phys32_t)b->padr;

	if (csetup->wLength > 0) {
		b = zalloc_usb_buffer_list();
		b->len = csetup->wLength;
		b->vadr = malloc_from_pool(host->pool, b->len, &b->padr);

		if (!b->vadr) {
			free(b);
			goto fail_submit_control;
		}

		b->next = urb->buffers;
		urb->buffers = b;
		if(device){
			spinlock_lock(&device->lock_dev);
			tdm = prepare_buffer_tds(host, (phys32_t)b->padr, 
						 b->len,
						 device->devnum, epdesc, 
						 UHCI_TD_STAT_AC | 
						 UHCI_TD_STAT_SP | 
						 uhci_td_maxerr(3));
			spinlock_unlock(&device->lock_dev);
		}
		if (!tdm)
			goto fail_submit_control;
		dprintft(5, "%s: tdm->td_phys = %llx\n", 
			__FUNCTION__, tdm->td_phys);
		URB_UHCI(urb)->tdm_head->next = tdm;
		URB_UHCI(urb)->tdm_head->td->link = tdm->td_phys;

	}

	/* The 1st toggle for SETUP must be 0. */
	uhci_fixup_toggles(URB_UHCI(urb)->tdm_head, epdesc->toggle); 

	/* append one more TD for the status stage */
	for (tdm = URB_UHCI(urb)->tdm_head; tdm->next; tdm = tdm->next);
	tdm->next = uhci_new_td_meta(host, NULL);
	if (!tdm->next)
		goto fail_submit_control;
	
        tdm->next->td->link = UHCI_TD_LINK_TE;
        tdm->next->td->status = UHCI_TD_STAT_AC | uhci_td_maxerr(3);
	if (ioc) 
		tdm->next->td->status |= UHCI_TD_STAT_IC;
	if (device){
		spinlock_lock(&device->lock_dev);
		tdm->next->td->token = uhci_td_explen(0) |
			UHCI_TD_TOKEN_ENDPOINT(epdesc->bEndpointAddress) | 
			UHCI_TD_TOKEN_DEVADDRESS(device->devnum) |
			UHCI_TD_TOKEN_DT1_TOGGLE;
		spinlock_unlock(&device->lock_dev);
	}
	tdm->next->td->token |= (csetup->wLength > 0) ? 
		UHCI_TD_TOKEN_PID_OUT : UHCI_TD_TOKEN_PID_IN;
        tdm->next->td->buffer = 0U;
	tdm->td->link = (phys32_t)tdm->next->td_phys;

	/* link the QH into the frame list */
	if (uhci_activate_urb(host, urb) != URB_STATUS_RUN)
		goto fail_submit_control;

	link_urb(&host->inproc_urbs, urb);

	return urb;
fail_submit_control:
	destroy_urb(host, urb);
	return (struct usb_request_block *)NULL;
}