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120 lines
3.9 KiB
120 lines
3.9 KiB
/* |
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* MUSB OTG driver host defines |
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* |
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* Copyright 2005 Mentor Graphics Corporation |
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* Copyright (C) 2005-2006 by Texas Instruments |
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* Copyright (C) 2006-2007 Nokia Corporation |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* version 2 as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
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* NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef _MUSB_HOST_H |
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#define _MUSB_HOST_H |
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#include <linux/scatterlist.h> |
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static inline struct usb_hcd *musb_to_hcd(struct musb *musb) |
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{ |
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return container_of((void *)musb, struct usb_hcd, hcd_priv); |
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} |
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static inline struct musb *hcd_to_musb(struct usb_hcd *hcd) |
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{ |
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return (struct musb *)(hcd->hcd_priv); |
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} |
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/* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */ |
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struct musb_qh { |
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struct usb_host_endpoint *hep; /* usbcore info */ |
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struct usb_device *dev; |
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struct musb_hw_ep *hw_ep; /* current binding */ |
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struct list_head ring; /* of musb_qh */ |
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/* struct musb_qh *next; *//* for periodic tree */ |
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u8 mux; /* qh multiplexed to hw_ep */ |
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unsigned offset; /* in urb->transfer_buffer */ |
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unsigned segsize; /* current xfer fragment */ |
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u8 type_reg; /* {rx,tx} type register */ |
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u8 intv_reg; /* {rx,tx} interval register */ |
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u8 addr_reg; /* device address register */ |
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u8 h_addr_reg; /* hub address register */ |
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u8 h_port_reg; /* hub port register */ |
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u8 is_ready; /* safe to modify hw_ep */ |
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u8 type; /* XFERTYPE_* */ |
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u8 epnum; |
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u8 hb_mult; /* high bandwidth pkts per uf */ |
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u16 maxpacket; |
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u16 frame; /* for periodic schedule */ |
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unsigned iso_idx; /* in urb->iso_frame_desc[] */ |
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struct sg_mapping_iter sg_miter; /* for highmem in PIO mode */ |
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#ifdef CONFIG_MTK_MUSB_QMU_SUPPORT |
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u8 is_use_qmu; |
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#endif |
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}; |
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/* map from control or bulk queue head to the first qh on that ring */ |
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static inline struct musb_qh *first_qh(struct list_head *q) |
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{ |
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if (list_empty(q)) |
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return NULL; |
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return list_entry(q->next, struct musb_qh, ring); |
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} |
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void musb_h_pre_disable(struct musb *musb); |
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extern void musb_root_disconnect(struct musb *musb); |
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struct usb_hcd; |
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extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf); |
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extern int musb_hub_control(struct usb_hcd *hcd, |
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u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength); |
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extern const struct hc_driver musb_hc_driver; |
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static inline struct urb *next_urb(struct musb_qh *qh) |
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{ |
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struct list_head *queue; |
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if (!qh) |
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return NULL; |
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queue = &qh->hep->urb_list; |
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if (list_empty(queue)) |
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return NULL; |
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return list_entry(queue->next, struct urb, urb_list); |
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} |
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extern u16 musb_h_flush_rxfifo(struct musb_hw_ep *hw_ep, u16 csr); |
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#ifdef CONFIG_MTK_MUSB_QMU_SUPPORT |
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extern void musb_ep_set_qh(struct musb_hw_ep *ep, int isRx, struct musb_qh *qh); |
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extern struct musb_qh *musb_ep_get_qh(struct musb_hw_ep *ep, int isRx); |
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extern void musb_advance_schedule(struct musb *musb, struct urb *urb, |
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struct musb_hw_ep *hw_ep, int is_in); |
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#endif |
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enum { |
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QH_FREE_RESCUE_INTERRUPT, |
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QH_FREE_RESCUE_EP_DISABLE, |
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}; |
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#endif /* _MUSB_HOST_H */
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