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      1 /*	$NetBSD: fwohcivar.h,v 1.34 2012/08/04 03:55:43 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2003 Hidetoshi SHimokawa
      5  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi SHimokawa
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the acknowledgement as bellow:
     18  *
     19  *    This product includes software developed by K. Kobayashi and H. Shimokawa
     20  *
     21  * 4. The name of the author may not be used to endorse or promote products
     22  *    derived from this software without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     26  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     27  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     32  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     33  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34  * POSSIBILITY OF SUCH DAMAGE.
     35  *
     36  * $FreeBSD: src/sys/dev/firewire/fwohcivar.h,v 1.16 2007/06/06 14:31:36 simokawa Exp $
     37  *
     38  */
     39 #ifndef _FWOHCIVAR_H_
     40 #define _FWOHCIVAR_H_
     41 
     42 struct fwohci_softc {
     43 	struct firewire_comm fc;
     44 	bus_space_tag_t bst;
     45 	bus_space_handle_t bsh;
     46 	bus_size_t bssize;
     47 	struct fwohci_dbch {
     48 		int off;
     49 		u_int ndb;
     50 		u_int ndesc;
     51 		STAILQ_HEAD(, fwohcidb_tr) db_trq;
     52 		struct fwohcidb_tr *top;
     53 		struct fwohcidb_tr *bottom;
     54 		struct fwohcidb_tr *pdb_tr;
     55 		struct fw_xferq xferq;
     56 		int flags;
     57 #define	FWOHCI_DBCH_INIT	(1<<0)
     58 #define	FWOHCI_DBCH_FULL	(1<<1)
     59 		/* used only in receive context */
     60 		int buf_offset;	/* signed */
     61 #define FWOHCI_DBCH_MAX_PAGES	32
     62 		/* Context programs buffer */
     63 		struct fwdma_alloc_multi *am;
     64 	} arrq, arrs, atrq, atrs, it[OHCI_DMA_ITCH], ir[OHCI_DMA_IRCH];
     65 	u_int maxrec;
     66 	uint32_t *sid_buf;
     67 	struct fwdma_alloc sid_dma;
     68 	struct fwdma_alloc crom_dma;
     69 	struct fwdma_alloc dummy_dma;
     70 	uint32_t intmask;
     71 	uint32_t intstat;
     72 	uint32_t irstat;
     73 	uint32_t itstat;
     74 	int cycle_lost;
     75 };
     76 
     77 #define OWRITE(sc, r, x) bus_space_write_4((sc)->bst, (sc)->bsh, (r), (x))
     78 #define OREAD(sc, r)	bus_space_read_4((sc)->bst, (sc)->bsh, (r))
     79 
     80 void fwohci_init(struct fwohci_softc *);
     81 int fwohci_attach(struct fwohci_softc *);
     82 int fwohci_detach(struct fwohci_softc *, int);
     83 int fwohci_intr(void *arg);
     84 int fwohci_resume(struct fwohci_softc *);
     85 int fwohci_stop(struct fwohci_softc *);
     86 
     87 #endif	/* _FWOHCIVAR_H_ */
     88