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      1 /*	$NetBSD: dwc2var.h,v 1.7 2020/02/12 16:01:00 riastradh 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 struct dwc2_hsotg;
     38 struct dwc2_qtd;
     39 
     40 struct dwc2_xfer {
     41 	struct usbd_xfer xfer;			/* Needs to be first */
     42 
     43 	struct dwc2_hcd_urb *urb;
     44 
     45 	TAILQ_ENTRY(dwc2_xfer) xnext;		/* list of complete xfers */
     46 	usbd_status intr_status;
     47 };
     48 
     49 struct dwc2_pipe {
     50 	struct usbd_pipe pipe;		/* Must be first */
     51 
     52 	/* Current transfer */
     53 	void *priv;			/* QH */
     54 
     55 	 /* DMA buffer for control endpoint requests */
     56 	usb_dma_t req_dma;
     57 };
     58 
     59 
     60 #define	DWC2_BUS2SC(bus)	((bus)->ub_hcpriv)
     61 #define	DWC2_PIPE2SC(pipe)	DWC2_BUS2SC((pipe)->up_dev->ud_bus)
     62 #define	DWC2_XFER2SC(xfer)	DWC2_BUS2SC((xfer)->ux_bus)
     63 #define	DWC2_DPIPE2SC(d)	DWC2_BUS2SC((d)->pipe.up_dev->ud_bus)
     64 
     65 #define	DWC2_XFER2DXFER(x)	(struct dwc2_xfer *)(x)
     66 
     67 #define	DWC2_XFER2DPIPE(x)	(struct dwc2_pipe *)(x)->ux_pipe;
     68 #define	DWC2_PIPE2DPIPE(p)	(struct dwc2_pipe *)(p)
     69 
     70 
     71 typedef struct dwc2_softc {
     72 	device_t sc_dev;
     73 
     74  	bus_space_tag_t		sc_iot;
     75  	bus_space_handle_t	sc_ioh;
     76  	bus_dma_tag_t		sc_dmat;
     77 	struct dwc2_core_params *sc_params;
     78 	int			(*sc_set_dma_addr)(device_t, bus_addr_t, int);
     79 
     80 	/*
     81 	 * Private
     82 	 */
     83 
     84 	struct usbd_bus sc_bus;
     85 	struct dwc2_hsotg *sc_hsotg;
     86 
     87 	kmutex_t sc_lock;
     88 
     89 	bool sc_hcdenabled;
     90 	void *sc_rhc_si;
     91 
     92 	struct usbd_xfer *sc_intrxfer;
     93 
     94 	device_t sc_child;		/* /dev/usb# device */
     95 	char sc_dying;
     96 
     97 	TAILQ_HEAD(, dwc2_xfer) sc_complete;	/* complete transfers */
     98 
     99 	pool_cache_t sc_xferpool;
    100 	pool_cache_t sc_qhpool;
    101 	pool_cache_t sc_qtdpool;
    102 
    103 } dwc2_softc_t;
    104 
    105 int		dwc2_init(struct dwc2_softc *);
    106 int		dwc2_intr(void *);
    107 int		dwc2_detach(dwc2_softc_t *, int);
    108 bool		dwc2_shutdown(device_t, int);
    109 void		dwc2_childdet(device_t, device_t);
    110 int		dwc2_activate(device_t, enum devact);
    111 bool		dwc2_resume(device_t, const pmf_qual_t *);
    112 bool		dwc2_suspend(device_t, const pmf_qual_t *);
    113 
    114 void		dwc2_worker(struct work *, void *);
    115 
    116 void		dwc2_host_complete(struct dwc2_hsotg *, struct dwc2_qtd *,
    117 				   int);
    118 
    119 static inline void
    120 dwc2_root_intr(dwc2_softc_t *sc)
    121 {
    122 
    123 	softint_schedule(sc->sc_rhc_si);
    124 }
    125 
    126 #endif	/* _DWC_OTGVAR_H_ */
    127