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Ilya Yanokeb819552012-11-06 13:48:21 +00001/*
2 * MUSB OTG driver host defines
3 *
4 * Copyright 2005 Mentor Graphics Corporation
5 * Copyright (C) 2005-2006 by Texas Instruments
6 * Copyright (C) 2006-2007 Nokia Corporation
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA
21 *
22 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
25 * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
29 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35#ifndef _MUSB_HOST_H
36#define _MUSB_HOST_H
37#ifdef __UBOOT__
38#include "usb-compat.h"
39#endif
40
41static inline struct usb_hcd *musb_to_hcd(struct musb *musb)
42{
43 return container_of((void *) musb, struct usb_hcd, hcd_priv);
44}
45
46static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
47{
48 return (struct musb *) (hcd->hcd_priv);
49}
50
51/* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */
52struct musb_qh {
53 struct usb_host_endpoint *hep; /* usbcore info */
54 struct usb_device *dev;
55 struct musb_hw_ep *hw_ep; /* current binding */
56
57 struct list_head ring; /* of musb_qh */
58 /* struct musb_qh *next; */ /* for periodic tree */
59 u8 mux; /* qh multiplexed to hw_ep */
60
61 unsigned offset; /* in urb->transfer_buffer */
62 unsigned segsize; /* current xfer fragment */
63
64 u8 type_reg; /* {rx,tx} type register */
65 u8 intv_reg; /* {rx,tx} interval register */
66 u8 addr_reg; /* device address register */
67 u8 h_addr_reg; /* hub address register */
68 u8 h_port_reg; /* hub port register */
69
70 u8 is_ready; /* safe to modify hw_ep */
71 u8 type; /* XFERTYPE_* */
72 u8 epnum;
73 u8 hb_mult; /* high bandwidth pkts per uf */
74 u16 maxpacket;
75 u16 frame; /* for periodic schedule */
76 unsigned iso_idx; /* in urb->iso_frame_desc[] */
77};
78
79/* map from control or bulk queue head to the first qh on that ring */
80static inline struct musb_qh *first_qh(struct list_head *q)
81{
82 if (list_empty(q))
83 return NULL;
84 return list_entry(q->next, struct musb_qh, ring);
85}
86
87
88extern void musb_root_disconnect(struct musb *musb);
89
90struct usb_hcd;
91
92extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf);
93extern int musb_hub_control(struct usb_hcd *hcd,
94 u16 typeReq, u16 wValue, u16 wIndex,
95 char *buf, u16 wLength);
96
97extern const struct hc_driver musb_hc_driver;
98
99static inline struct urb *next_urb(struct musb_qh *qh)
100{
101 struct list_head *queue;
102
103 if (!qh)
104 return NULL;
105 queue = &qh->hep->urb_list;
106 if (list_empty(queue))
107 return NULL;
108 return list_entry(queue->next, struct urb, urb_list);
109}
110
111#ifdef __UBOOT__
112int musb_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags);
Hans de Goedeb918a0c2015-01-11 20:34:52 +0100113int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status);
Ilya Yanokeb819552012-11-06 13:48:21 +0000114#endif
115#endif /* _MUSB_HOST_H */