Release 4.11 drivers/usb/musb/musb_host.h

Directory: drivers/usb/musb
/*
 * 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

#include <linux/scatterlist.h>

/* 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 */
	
u8			mux;		/* qh multiplexed to hw_ep */

	
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;
	
u8			hb_mult;	/* high bandwidth pkts per uf */
	
u16			maxpacket;
	
u16			frame;		/* for periodic schedule */
	
unsigned		iso_idx;	/* in urb->iso_frame_desc[] */
	
struct sg_mapping_iter sg_miter;	/* for highmem in PIO mode */
	
bool			use_sg;		/* to track urb using sglist */
};

/* 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);
}


Contributors
Person Tokens Prop Commits CommitProp
Felipe Balbi 37 100.00% 1 100.00%
Total 37 100.00% 1 100.00%

#if IS_ENABLED(CONFIG_USB_MUSB_HOST) || IS_ENABLED(CONFIG_USB_MUSB_DUAL_ROLE)
extern struct musb *hcd_to_musb(struct usb_hcd *);
extern irqreturn_t musb_h_ep0_irq(struct musb *);
extern int musb_host_alloc(struct musb *);
extern int musb_host_setup(struct musb *, int);
extern void musb_host_cleanup(struct musb *);
extern void musb_host_tx(struct musb *, u8);
extern void musb_host_rx(struct musb *, u8);
extern void musb_root_disconnect(struct musb *musb);
extern void musb_host_free(struct musb *);
extern void musb_host_cleanup(struct musb *);
extern void musb_host_tx(struct musb *, u8);
extern void musb_host_rx(struct musb *, u8);
extern void musb_root_disconnect(struct musb *musb);
extern void musb_host_resume_root_hub(struct musb *musb);
extern void musb_host_poke_root_hub(struct musb *musb);
extern void musb_port_suspend(struct musb *musb, bool do_suspend);
extern void musb_port_reset(struct musb *musb, bool do_reset);
extern void musb_host_finish_resume(struct work_struct *work);
#else


static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
{
	return NULL;
}

Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static inline irqreturn_t musb_h_ep0_irq(struct musb *musb)
{
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 15 100.00% 1 100.00%
Total 15 100.00% 1 100.00%



static inline int musb_host_alloc(struct musb *musb)
{
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 15 100.00% 1 100.00%
Total 15 100.00% 1 100.00%



static inline int musb_host_setup(struct musb *musb, int power_budget)
{
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 18 100.00% 1 100.00%
Total 18 100.00% 1 100.00%



static inline void musb_host_cleanup(struct musb *musb)		{}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void musb_host_free(struct musb *musb)		{}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void musb_host_tx(struct musb *musb, u8 epnum)	{}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 14 100.00% 1 100.00%
Total 14 100.00% 1 100.00%



static inline void musb_host_rx(struct musb *musb, u8 epnum)	{}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 14 100.00% 1 100.00%
Total 14 100.00% 1 100.00%



static inline void musb_root_disconnect(struct musb *musb)	{}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void musb_host_resume_root_hub(struct musb *musb)	{}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void musb_host_poll_rh_status(struct musb *musb)	{}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void musb_host_poke_root_hub(struct musb *musb)	{}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%



static inline void musb_port_suspend(struct musb *musb, bool do_suspend) {}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 14 100.00% 1 100.00%
Total 14 100.00% 1 100.00%



static inline void musb_port_reset(struct musb *musb, bool do_reset) {}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 14 100.00% 2 100.00%
Total 14 100.00% 2 100.00%



static inline void musb_host_finish_resume(struct work_struct *work) {}
Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%

#endif

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);



static inline struct urb *next_urb(struct musb_qh *qh)
{
	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);
}

Contributors
Person Tokens Prop Commits CommitProp
Felipe Balbi 59 100.00% 1 100.00%
Total 59 100.00% 1 100.00%

#endif				/* _MUSB_HOST_H */
Overall Contributors
Person Tokens Prop Commits CommitProp
Daniel Mack 389 59.85% 9 64.29%
Felipe Balbi 241 37.08% 1 7.14%
Virupax Sadashivpetimath 12 1.85% 2 14.29%
Ajay Kumar Gupta 8 1.23% 2 14.29%
Total 650 100.00% 14 100.00%
Directory: drivers/usb/musb

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Person	Tokens	Prop	Commits	CommitProp
Felipe Balbi	37	100.00%	1	100.00%
Total	37	100.00%	1	100.00%
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Release 4.11 drivers/usb/musb/musb_host.h

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