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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /* * MUSB OTG driver host defines * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef _MUSB_HOST_H #define _MUSB_HOST_H static inline struct usb_hcd *musb_to_hcd(struct musb *musb) { return container_of((void *) musb, struct usb_hcd, hcd_priv); } static inline struct musb *hcd_to_musb(struct usb_hcd *hcd) { return (struct musb *) (hcd->hcd_priv); } /* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */ struct musb_qh { struct usb_host_endpoint *hep; /* usbcore info */ struct usb_device *dev; struct musb_hw_ep *hw_ep; /* current binding */ struct list_head ring; /* of musb_qh */ /* struct musb_qh *next; */ /* for periodic tree */ unsigned offset; /* in urb->transfer_buffer */ unsigned segsize; /* current xfer fragment */ u8 type_reg; /* {rx,tx} type register */ u8 intv_reg; /* {rx,tx} interval register */ u8 addr_reg; /* device address register */ u8 h_addr_reg; /* hub address register */ u8 h_port_reg; /* hub port register */ u8 is_ready; /* safe to modify hw_ep */ u8 type; /* XFERTYPE_* */ u8 epnum; u16 maxpacket; u16 frame; /* for periodic schedule */ unsigned iso_idx; /* in urb->iso_frame_desc[] */ }; /* map from control or bulk queue head to the first qh on that ring */ static inline struct musb_qh *first_qh(struct list_head *q) { if (list_empty(q)) return NULL; return list_entry(q->next, struct musb_qh, ring); } extern void musb_root_disconnect(struct musb *musb); struct usb_hcd; extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf); extern int musb_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength); extern const struct hc_driver musb_hc_driver; static inline struct urb *next_urb(struct musb_qh *qh) { #ifdef CONFIG_USB_MUSB_HDRC_HCD struct list_head *queue; if (!qh) return NULL; queue = &qh->hep->urb_list; if (list_empty(queue)) return NULL; return list_entry(queue->next, struct urb, urb_list); #else return NULL; #endif } #endif /* _MUSB_HOST_H */ |