diff options
Diffstat (limited to 'drivers/usb/cdns3/gadget.h')
| -rw-r--r-- | drivers/usb/cdns3/gadget.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/cdns3/gadget.h b/drivers/usb/cdns3/gadget.h index 64cead1aee32..42f58048975f 100644 --- a/drivers/usb/cdns3/gadget.h +++ b/drivers/usb/cdns3/gadget.h @@ -1079,6 +1079,7 @@ struct cdns3_trb { #define CDNS3_EP_ISO_SS_BURST 3 #define CDNS3_MAX_NUM_DESCMISS_BUF 32 #define CDNS3_DESCMIS_BUF_SIZE 2048 /* Bytes */ +#define CDNS3_WA2_NUM_BUFFERS 128 /*-------------------------------------------------------------------------*/ /* Used structs */ @@ -1089,11 +1090,15 @@ struct cdns3_device; * @endpoint: usb endpoint * @pending_req_list: list of requests queuing on transfer ring. * @deferred_req_list: list of requests waiting for queuing on transfer ring. + * @wa2_descmiss_req_list: list of requests internally allocated by driver. * @trb_pool: transfer ring - array of transaction buffers * @trb_pool_dma: dma address of transfer ring * @cdns3_dev: device associated with this endpoint * @name: a human readable name e.g. ep1out * @flags: specify the current state of endpoint + * @descmis_req: internal transfer object used for getting data from on-chip + * buffer. It can happen only if function driver doesn't send usb_request + * object on time. * @dir: endpoint direction * @num: endpoint number (1 - 15) * @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK @@ -1110,6 +1115,8 @@ struct cdns3_endpoint { struct usb_ep endpoint; struct list_head pending_req_list; struct list_head deferred_req_list; + struct list_head wa2_descmiss_req_list; + int wa2_counter; struct cdns3_trb *trb_pool; dma_addr_t trb_pool_dma; @@ -1127,8 +1134,13 @@ struct cdns3_endpoint { #define EP_CLAIMED BIT(7) #define EP_DEFERRED_DRDY BIT(8) #define EP_QUIRK_ISO_OUT_EN BIT(9) +#define EP_QUIRK_EXTRA_BUF_DET BIT(10) +#define EP_QUIRK_EXTRA_BUF_EN BIT(11) +#define EP_QUIRK_END_TRANSFER BIT(12) u32 flags; + struct cdns3_request *descmis_req; + u8 dir; u8 num; u8 type; @@ -1176,6 +1188,7 @@ struct cdns3_aligned_buf { * @aligned_buf: object holds information about aligned buffer associated whit * this endpoint * @flags: flag specifying special usage of request + * @list: used by internally allocated request to add to wa2_descmiss_req_list. */ struct cdns3_request { struct usb_request request; |