xref: /freebsd/sys/dev/firewire/fwohcivar.h (revision 30d239bc4c510432e65a84fa1c14ed67a3ab1c92)
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  * $FreeBSD$
35  *
36  */
37 
38 #include <sys/taskqueue.h>
39 
40 #if defined(__DragonFly__) ||  __FreeBSD_version < 700043
41 #define FWOHCI_INTFILT	0
42 #else
43 #define FWOHCI_INTFILT	1
44 #endif
45 
46 typedef struct fwohci_softc {
47 	struct firewire_comm fc;
48 	bus_space_tag_t bst;
49 	bus_space_handle_t bsh;
50 	void *ih;
51 #if defined(__DragonFly__) || __FreeBSD_version < 500000
52 	void *ih_cam;
53 	void *ih_bio;
54 #endif
55 	struct resource *bsr;
56 	struct resource *irq_res;
57 	struct fwohci_dbch{
58 		u_int ndb;
59 		u_int ndesc;
60 		STAILQ_HEAD(, fwohcidb_tr) db_trq;
61 		struct fwohcidb_tr *top, *bottom, *pdb_tr;
62 		struct fw_xferq xferq;
63 		int flags;
64 #define	FWOHCI_DBCH_INIT	(1<<0)
65 #define	FWOHCI_DBCH_FULL	(1<<1)
66 		/* used only in receive context */
67 		int buf_offset;	/* signed */
68 #define FWOHCI_DBCH_MAX_PAGES	32
69 		/* Context programs buffer */
70 		struct fwdma_alloc_multi *am;
71 		bus_dma_tag_t dmat;
72 	} arrq, arrs, atrq, atrs, it[OHCI_DMA_ITCH], ir[OHCI_DMA_IRCH];
73 	u_int maxrec;
74 	uint32_t *sid_buf;
75 	struct fwdma_alloc sid_dma;
76 	struct fwdma_alloc crom_dma;
77 	struct fwdma_alloc dummy_dma;
78 	uint32_t intmask, irstat, itstat;
79 	uint32_t intstat;
80 	struct task fwohci_task_busreset;
81 	struct task fwohci_task_sid;
82 	struct task fwohci_task_dma;
83 	int cycle_lost;
84 } fwohci_softc_t;
85 
86 void fwohci_intr (void *arg);
87 int fwohci_filt (void *arg);
88 int fwohci_init (struct fwohci_softc *, device_t);
89 void fwohci_poll (struct firewire_comm *, int, int);
90 void fwohci_reset (struct fwohci_softc *, device_t);
91 int fwohci_detach (struct fwohci_softc *, device_t);
92 int fwohci_resume (struct fwohci_softc *, device_t);
93 int fwohci_stop (struct fwohci_softc *, device_t dev);
94