/*      $NetBSD: fwohcivar.h,v 1.34 2012/08/04 03:55:43 riastradh Exp $ */

/*-
* Copyright (c) 2003 Hidetoshi SHimokawa
* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi SHimokawa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the acknowledgement as bellow:
*
*    This product includes software developed by K. Kobayashi and H. Shimokawa
*
* 4. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD: src/sys/dev/firewire/fwohcivar.h,v 1.16 2007/06/06 14:31:36 simokawa Exp $
*
*/
#ifndef _FWOHCIVAR_H_
#define _FWOHCIVAR_H_

struct fwohci_softc {
       struct firewire_comm fc;
       bus_space_tag_t bst;
       bus_space_handle_t bsh;
       bus_size_t bssize;
       struct fwohci_dbch {
               int off;
               u_int ndb;
               u_int ndesc;
               STAILQ_HEAD(, fwohcidb_tr) db_trq;
               struct fwohcidb_tr *top;
               struct fwohcidb_tr *bottom;
               struct fwohcidb_tr *pdb_tr;
               struct fw_xferq xferq;
               int flags;
#define FWOHCI_DBCH_INIT        (1<<0)
#define FWOHCI_DBCH_FULL        (1<<1)
               /* used only in receive context */
               int buf_offset; /* signed */
#define FWOHCI_DBCH_MAX_PAGES   32
               /* Context programs buffer */
               struct fwdma_alloc_multi *am;
       } arrq, arrs, atrq, atrs, it[OHCI_DMA_ITCH], ir[OHCI_DMA_IRCH];
       u_int maxrec;
       uint32_t *sid_buf;
       struct fwdma_alloc sid_dma;
       struct fwdma_alloc crom_dma;
       struct fwdma_alloc dummy_dma;
       uint32_t intmask;
       uint32_t intstat;
       uint32_t irstat;
       uint32_t itstat;
       int cycle_lost;
};

#define OWRITE(sc, r, x) bus_space_write_4((sc)->bst, (sc)->bsh, (r), (x))
#define OREAD(sc, r)    bus_space_read_4((sc)->bst, (sc)->bsh, (r))

void fwohci_init(struct fwohci_softc *);
int fwohci_attach(struct fwohci_softc *);
int fwohci_detach(struct fwohci_softc *, int);
int fwohci_intr(void *arg);
int fwohci_resume(struct fwohci_softc *);
int fwohci_stop(struct fwohci_softc *);

#endif  /* _FWOHCIVAR_H_ */