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dwc2var.h revision 1.3.12.5 
      1 /*	$NetBSD: dwc2var.h,v 1.3.12.5 2015/06/06 14:40:20 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Nick Hudson
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef	_DWC2VAR_H_
     33 #define	_DWC2VAR_H_
     34 
     35 #include <sys/pool.h>
     36 
     37 #define DWC2_MAXISOCPACKETS	16
     38 struct dwc2_hsotg;
     39 struct dwc2_qtd;
     40 
     41 struct dwc2_xfer {
     42 	struct usbd_xfer xfer;			/* Needs to be first */
     43 	struct usb_task	abort_task;
     44 
     45 	struct dwc2_hcd_urb *urb;
     46 	int packet_count;
     47 
     48 	TAILQ_ENTRY(dwc2_xfer) xnext;		/* list of complete xfers */
     49 };
     50 
     51 struct dwc2_pipe {
     52 	struct usbd_pipe pipe;		/* Must be first */
     53 
     54 	/* Current transfer */
     55 	void *priv;			/* QH */
     56 
     57 	 /* DMA buffer for control endpoint requests */
     58 	usb_dma_t req_dma;
     59 };
     60 
     61 
     62 #define	DWC2_BUS2SC(bus)	((bus)->ub_hcpriv)
     63 #define	DWC2_PIPE2SC(pipe)	DWC2_BUS2SC((pipe)->up_dev->ud_bus)
     64 #define	DWC2_XFER2SC(xfer)	DWC2_PIPE2SC((xfer)->ux_pipe)
     65 #define	DWC2_DPIPE2SC(d)	DWC2_BUS2SC((d)->pipe.up_dev->ud_bus)
     66 
     67 #define	DWC2_XFER2DXFER(x)	(struct dwc2_xfer *)(x)
     68 
     69 #define	DWC2_XFER2DPIPE(x)	(struct dwc2_pipe *)(x)->ux_pipe;
     70 #define	DWC2_PIPE2DPIPE(p)	(struct dwc2_pipe *)(p)
     71 
     72 
     73 typedef struct dwc2_softc {
     74 	device_t sc_dev;
     75 
     76  	bus_space_tag_t		sc_iot;
     77  	bus_space_handle_t	sc_ioh;
     78  	bus_dma_tag_t		sc_dmat;
     79 	struct dwc2_core_params *sc_params;
     80 	int			(*sc_set_dma_addr)(device_t, bus_addr_t, int);
     81 
     82 	/*
     83 	 * Private
     84 	 */
     85 
     86 	struct usbd_bus sc_bus;
     87 	struct dwc2_hsotg *sc_hsotg;
     88 
     89 	kmutex_t sc_lock;
     90 
     91 	bool sc_hcdenabled;
     92 	void *sc_rhc_si;
     93 
     94 	struct usbd_xfer *sc_intrxfer;
     95 
     96 	device_t sc_child;		/* /dev/usb# device */
     97 	char sc_dying;
     98 
     99 	TAILQ_HEAD(, dwc2_xfer) sc_complete;	/* complete transfers */
    100 
    101 
    102 	pool_cache_t sc_xferpool;
    103 	pool_cache_t sc_qhpool;
    104 	pool_cache_t sc_qtdpool;
    105 
    106 } dwc2_softc_t;
    107 
    108 int		dwc2_init(struct dwc2_softc *);
    109 int		dwc2_intr(void *);
    110 int		dwc2_detach(dwc2_softc_t *, int);
    111 bool		dwc2_shutdown(device_t, int);
    112 void		dwc2_childdet(device_t, device_t);
    113 int		dwc2_activate(device_t, enum devact);
    114 bool		dwc2_resume(device_t, const pmf_qual_t *);
    115 bool		dwc2_suspend(device_t, const pmf_qual_t *);
    116 
    117 void		dwc2_worker(struct work *, void *);
    118 
    119 void		dwc2_host_complete(struct dwc2_hsotg *, struct dwc2_qtd *,
    120 				   int);
    121 
    122 static inline void
    123 dwc2_root_intr(dwc2_softc_t *sc)
    124 {
    125 
    126 	softint_schedule(sc->sc_rhc_si);
    127 }
    128 
    129 #endif	/* _DWC_OTGVAR_H_ */
    130