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1/*
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
38static inline struct usb_hcd *musb_to_hcd(struct musb *musb)
39{
40 return container_of((void *) musb, struct usb_hcd, hcd_priv);
41}
42
43static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
44{
45 return (struct musb *) (hcd->hcd_priv);
46}
47
48/* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */
49struct musb_qh {
50 struct usb_host_endpoint *hep; /* usbcore info */
51 struct usb_device *dev;
52 struct musb_hw_ep *hw_ep; /* current binding */
53
54 struct list_head ring; /* of musb_qh */
55 /* struct musb_qh *next; */ /* for periodic tree */
56 u8 mux; /* qh multiplexed to hw_ep */
57
58 unsigned offset; /* in urb->transfer_buffer */
59 unsigned segsize; /* current xfer fragment */
60
61 u8 type_reg; /* {rx,tx} type register */
62 u8 intv_reg; /* {rx,tx} interval register */
63 u8 addr_reg; /* device address register */
64 u8 h_addr_reg; /* hub address register */
65 u8 h_port_reg; /* hub port register */
66
67 u8 is_ready; /* safe to modify hw_ep */
68 u8 type; /* XFERTYPE_* */
69 u8 epnum;
70 u8 hb_mult; /* high bandwidth pkts per uf */
71 u16 maxpacket;
72 u16 frame; /* for periodic schedule */
73 unsigned iso_idx; /* in urb->iso_frame_desc[] */
74};
75
76/* map from control or bulk queue head to the first qh on that ring */
77static inline struct musb_qh *first_qh(struct list_head *q)
78{
79 if (list_empty(q))
80 return NULL;
81 return list_entry(q->next, struct musb_qh, ring);
82}
83
84
85extern void musb_root_disconnect(struct musb *musb);
86
87struct usb_hcd;
88
89extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf);
90extern int musb_hub_control(struct usb_hcd *hcd,
91 u16 typeReq, u16 wValue, u16 wIndex,
92 char *buf, u16 wLength);
93
94extern const struct hc_driver musb_hc_driver;
95
96static inline struct urb *next_urb(struct musb_qh *qh)
97{
98 struct list_head *queue;
99
100 if (!qh)
101 return NULL;
102 queue = &qh->hep->urb_list;
103 if (list_empty(queue))
104 return NULL;
105 return list_entry(queue->next, struct urb, urb_list);
106}
107
108#endif /* _MUSB_HOST_H */
1/*
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
38static inline struct usb_hcd *musb_to_hcd(struct musb *musb)
39{
40 return container_of((void *) musb, struct usb_hcd, hcd_priv);
41}
42
43static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
44{
45 return (struct musb *) (hcd->hcd_priv);
46}
47
48/* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */
49struct musb_qh {
50 struct usb_host_endpoint *hep; /* usbcore info */
51 struct usb_device *dev;
52 struct musb_hw_ep *hw_ep; /* current binding */
53
54 struct list_head ring; /* of musb_qh */
55 /* struct musb_qh *next; */ /* for periodic tree */
56 u8 mux; /* qh multiplexed to hw_ep */
57
58 unsigned offset; /* in urb->transfer_buffer */
59 unsigned segsize; /* current xfer fragment */
60
61 u8 type_reg; /* {rx,tx} type register */
62 u8 intv_reg; /* {rx,tx} interval register */
63 u8 addr_reg; /* device address register */
64 u8 h_addr_reg; /* hub address register */
65 u8 h_port_reg; /* hub port register */
66
67 u8 is_ready; /* safe to modify hw_ep */
68 u8 type; /* XFERTYPE_* */
69 u8 epnum;
70 u8 hb_mult; /* high bandwidth pkts per uf */
71 u16 maxpacket;
72 u16 frame; /* for periodic schedule */
73 unsigned iso_idx; /* in urb->iso_frame_desc[] */
74};
75
76/* map from control or bulk queue head to the first qh on that ring */
77static inline struct musb_qh *first_qh(struct list_head *q)
78{
79 if (list_empty(q))
80 return NULL;
81 return list_entry(q->next, struct musb_qh, ring);
82}
83
84
85extern void musb_root_disconnect(struct musb *musb);
86
87struct usb_hcd;
88
89extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf);
90extern int musb_hub_control(struct usb_hcd *hcd,
91 u16 typeReq, u16 wValue, u16 wIndex,
92 char *buf, u16 wLength);
93
94extern const struct hc_driver musb_hc_driver;
95
96static inline struct urb *next_urb(struct musb_qh *qh)
97{
98 struct list_head *queue;
99
100 if (!qh)
101 return NULL;
102 queue = &qh->hep->urb_list;
103 if (list_empty(queue))
104 return NULL;
105 return list_entry(queue->next, struct urb, urb_list);
106}
107
108#endif /* _MUSB_HOST_H */