xref: /src/sys/dev/ieee1394/fwohcivar.h

/*	$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_ */