1/*-
 2 * SPDX-License-Identifier: BSD-4-Clause
 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 *
37 */
38
39#include <sys/taskqueue.h>
40
41typedef struct fwohci_softc {
42	struct firewire_comm fc;
43	bus_space_tag_t bst;
44	bus_space_handle_t bsh;
45	void *ih;
46	struct resource *bsr;
47	struct resource *irq_res;
48	struct fwohci_dbch {
49		u_int ndb;
50		u_int ndesc;
51		STAILQ_HEAD(, fwohcidb_tr) db_trq;
52		struct fwohcidb_tr *top, *bottom, *pdb_tr;
53		struct fw_xferq xferq;
54		int flags;
55#define	FWOHCI_DBCH_INIT	(1<<0)
56#define	FWOHCI_DBCH_FULL	(1<<1)
57		/* used only in receive context */
58		int buf_offset;	/* signed */
59#define FWOHCI_DBCH_MAX_PAGES	32
60		/* Context programs buffer */
61		struct fwdma_alloc_multi *am;
62		bus_dma_tag_t dmat;
63	} arrq, arrs, atrq, atrs, it[OHCI_DMA_ITCH], ir[OHCI_DMA_IRCH];
64	u_int maxrec;
65	uint32_t *sid_buf;
66	struct fwdma_alloc sid_dma;
67	struct fwdma_alloc crom_dma;
68	struct fwdma_alloc dummy_dma;
69	uint32_t intmask, irstat, itstat;
70	uint32_t intstat;
71	struct task fwohci_task_busreset;
72	struct task fwohci_task_sid;
73	struct task fwohci_task_dma;
74	int cycle_lost;
75} fwohci_softc_t;
76
77void fwohci_intr (void *arg);
78int fwohci_init (struct fwohci_softc *, device_t);
79void fwohci_poll (struct firewire_comm *, int, int);
80void fwohci_reset (struct fwohci_softc *, device_t);
81int fwohci_detach (struct fwohci_softc *, device_t);
82int fwohci_resume (struct fwohci_softc *, device_t);
83int fwohci_stop (struct fwohci_softc *, device_t dev);