sys/bus/firewire/fwohcivar.h

   1 /*
   2  * Copyright (c) 2003 Hidetoshi SHimokawa
   3  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi SHimokawa
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the acknowledgement as bellow:
  16  *
  17  *    This product includes software developed by K. Kobayashi and H. Shimokawa
  18  *
  19  * 4. The name of the author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  30  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  *
  34  * $FreeBSD: src/sys/dev/firewire/fwohcivar.h,v 1.11 2004/01/06 14:30:47 simokawa Exp $
  35  * $DragonFly: src/sys/bus/firewire/fwohcivar.h,v 1.6 2005/11/17 21:29:45 dillon Exp $
  36  *
  37  */
  38
  39 #if defined(__DragonFly__) || __FreeBSD_version < 500000
  40 #define FWOHCI_TASKQUEUE        0
  41 #else
  42 #define FWOHCI_TASKQUEUE        1
  43 #endif
  44 #if FWOHCI_TASKQUEUE
  45 #include <sys/taskqueue.h>
  46 #endif
  47
  48 typedef struct fwohci_softc {
  49         struct firewire_comm fc;
  50         bus_space_tag_t bst;
  51         bus_space_handle_t bsh;
  52         void *ih;
  53         struct resource *bsr;
  54         struct resource *irq_res;
  55         struct fwohci_dbch{
  56                 u_int ndb;
  57                 u_int ndesc;
  58                 STAILQ_HEAD(, fwohcidb_tr) db_trq;
  59                 struct fwohcidb_tr *top, *bottom, *pdb_tr;
  60                 struct fw_xferq xferq;
  61                 int flags;
  62 #define FWOHCI_DBCH_INIT        (1<<0)
  63 #define FWOHCI_DBCH_FULL        (1<<1)
  64                 /* used only in receive context */
  65                 int buf_offset; /* signed */
  66 #define FWOHCI_DBCH_MAX_PAGES   32
  67                 /* Context programs buffer */
  68                 struct fwdma_alloc_multi *am;
  69                 bus_dma_tag_t dmat;
  70         } arrq, arrs, atrq, atrs, it[OHCI_DMA_ITCH], ir[OHCI_DMA_IRCH];
  71         u_int maxrec;
  72         u_int32_t *sid_buf;
  73         struct fwdma_alloc sid_dma;
  74         struct fwdma_alloc crom_dma;
  75         struct fwdma_alloc dummy_dma;
  76         u_int32_t intmask, irstat, itstat;
  77 #if FWOHCI_TASKQUEUE
  78         u_int32_t intstat;
  79         struct task fwohci_task_complete;
  80 #endif
  81 } fwohci_softc_t;
  82
  83 void fwohci_intr (void *arg);
  84 int fwohci_init (struct fwohci_softc *, device_t);
  85 void fwohci_poll (struct firewire_comm *, int, int);
  86 void fwohci_reset (struct fwohci_softc *, device_t);
  87 int fwohci_detach (struct fwohci_softc *, device_t);
  88 int fwohci_resume (struct fwohci_softc *, device_t);
  89 int fwohci_stop (struct fwohci_softc *, device_t dev);