firewirereg.h revision 114215
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: head/sys/dev/firewire/firewirereg.h 114215 2003-04-29 13:27:13Z simokawa $
35 *
36 */
37
38#if __FreeBSD_version >= 500000
39typedef	struct thread fw_proc;
40#include <sys/selinfo.h>
41#else
42typedef	struct proc fw_proc;
43#include <sys/select.h>
44#endif
45
46#include <sys/uio.h>
47
48#define	splfw splimp
49
50struct fw_device{
51	u_int16_t dst;
52	struct fw_eui64 eui;
53	u_int8_t speed;
54	u_int8_t maxrec;
55	u_int8_t nport;
56	u_int8_t power;
57#define CSRROMOFF 0x400
58#define CSRROMSIZE 0x400
59	int rommax;	/* offset from 0xffff f000 0000 */
60	u_int32_t csrrom[CSRROMSIZE/4];
61	int rcnt;
62	struct firewire_comm *fc;
63	u_int32_t status;
64#define FWDEVINIT	1
65#define FWDEVATTACHED	2
66#define FWDEVINVAL	3
67	STAILQ_ENTRY(fw_device) link;
68};
69
70struct firewire_softc {
71#if __FreeBSD_version >= 500000
72	dev_t dev;
73#else
74	dev_t dev[FWMAXNDMA+1];
75#endif
76	struct firewire_comm *fc;
77};
78
79#define FW_MAX_DMACH 0x20
80#define FW_MAX_DEVCH FW_MAX_DMACH
81#define FW_XFERTIMEOUT 1
82
83struct firewire_dev_comm {
84	device_t dev;
85	struct firewire_comm *fc;
86	void (*post_busreset) __P((void *));
87	void (*post_explore) __P((void *));
88};
89
90struct tcode_info {
91	u_char hdr_len;	/* IEEE1394 header length */
92	u_char flag;
93#define FWTI_REQ	(1 << 0)
94#define FWTI_RES	(1 << 1)
95#define FWTI_TLABEL	(1 << 2)
96#define FWTI_BLOCK_STR	(1 << 3)
97#define FWTI_BLOCK_ASY	(1 << 4)
98};
99
100struct firewire_comm{
101	device_t dev;
102	device_t bdev;
103	u_int16_t busid:10,
104		  nodeid:6;
105	u_int mode;
106	u_int nport;
107	u_int speed;
108	u_int maxrec;
109	u_int irm;
110	u_int max_node;
111	u_int max_hop;
112	u_int max_asyretry;
113#define FWPHYASYST (1 << 0)
114	u_int retry_count;
115	u_int32_t ongobus:10,
116		  ongonode:6,
117		  ongoaddr:16;
118	struct fw_device *ongodev;
119	struct fw_eui64 ongoeui;
120#define	FWMAXCSRDIR     16
121	SLIST_HEAD(, csrdir) ongocsr;
122	SLIST_HEAD(, csrdir) csrfree;
123	u_int32_t status;
124#define	FWBUSRESET	0
125#define	FWBUSINIT	1
126#define	FWBUSCYMELECT	2
127#define	FWBUSMGRELECT	3
128#define	FWBUSMGRDONE	4
129#define	FWBUSEXPLORE	5
130#define	FWBUSPHYCONF	6
131#define	FWBUSEXPDONE	7
132#define	FWBUSCOMPLETION	10
133	int nisodma;
134	struct fw_eui64 eui;
135	struct fw_xferq
136		*arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
137	STAILQ_HEAD(, tlabel) tlabels[0x40];
138	STAILQ_HEAD(, fw_bind) binds;
139	STAILQ_HEAD(, fw_device) devices;
140	STAILQ_HEAD(, fw_xfer)	pending;
141	u_int  sid_cnt;
142#define CSRSIZE 0x4000
143	u_int32_t csr_arc[CSRSIZE/4];
144#define CROMSIZE 0x400
145	u_int32_t *config_rom;
146	struct fw_topology_map *topology_map;
147	struct fw_speed_map *speed_map;
148	struct callout busprobe_callout;
149	struct callout bmr_callout;
150	struct callout timeout_callout;
151	struct callout retry_probe_callout;
152	u_int32_t (*cyctimer) __P((struct  firewire_comm *));
153	void (*ibr) __P((struct firewire_comm *));
154	u_int32_t (*set_bmr) __P((struct firewire_comm *, u_int32_t));
155	int (*ioctl) __P((dev_t, u_long, caddr_t, int, fw_proc *));
156	int (*irx_enable) __P((struct firewire_comm *, int));
157	int (*irx_disable) __P((struct firewire_comm *, int));
158	int (*itx_enable) __P((struct firewire_comm *, int));
159	int (*itx_disable) __P((struct firewire_comm *, int));
160	void (*timeout) __P((void *));
161	void (*poll) __P((struct firewire_comm *, int, int));
162	void (*set_intr) __P((struct firewire_comm *, int));
163	void (*irx_post) __P((struct firewire_comm *, u_int32_t *));
164	void (*itx_post) __P((struct firewire_comm *, u_int32_t *));
165	struct tcode_info *tcode;
166	bus_dma_tag_t dmat;
167};
168#define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
169
170struct csrdir{
171	u_int32_t ongoaddr;
172	u_int32_t off;
173	SLIST_ENTRY(csrdir) link;
174};
175
176struct fw_xferq {
177	int flag;
178#define FWXFERQ_CHTAGMASK 0xff
179#define FWXFERQ_RUNNING (1 << 8)
180#define FWXFERQ_STREAM (1 << 9)
181
182#define FWXFERQ_BULK (1 << 11)
183#define FWXFERQ_MODEMASK (7 << 10)
184
185#define FWXFERQ_EXTBUF (1 << 13)
186#define FWXFERQ_OPEN (1 << 14)
187
188#define FWXFERQ_HANDLER (1 << 16)
189#define FWXFERQ_WAKEUP (1 << 17)
190
191	void (*start) __P((struct firewire_comm*));
192	STAILQ_HEAD(, fw_xfer) q;
193	u_int queued;
194	u_int maxq;
195	u_int psize;
196	STAILQ_HEAD(, fw_bind) binds;
197	struct fwdma_alloc_multi *buf;
198	u_int bnchunk;
199	u_int bnpacket;
200	struct fw_bulkxfer *bulkxfer;
201	STAILQ_HEAD(, fw_bulkxfer) stvalid;
202	STAILQ_HEAD(, fw_bulkxfer) stfree;
203	STAILQ_HEAD(, fw_bulkxfer) stdma;
204	struct fw_bulkxfer *stproc;
205	struct selinfo rsel;
206	caddr_t sc;
207	void (*hand) __P((struct fw_xferq *));
208};
209
210struct fw_bulkxfer{
211	int poffset;
212	struct mbuf *mbuf;
213	STAILQ_ENTRY(fw_bulkxfer) link;
214	caddr_t start;
215	caddr_t end;
216	int resp;
217};
218
219struct tlabel{
220	struct fw_xfer  *xfer;
221	STAILQ_ENTRY(tlabel) link;
222};
223
224struct fw_bind{
225	u_int32_t start_hi, start_lo, addrlen;
226	STAILQ_HEAD(, fw_xfer) xferlist;
227	STAILQ_ENTRY(fw_bind) fclist;
228	STAILQ_ENTRY(fw_bind) chlist;
229#define FWACT_NULL	0
230#define FWACT_XFER	2
231#define FWACT_CH	3
232	u_int8_t act_type;
233	u_int8_t sub;
234};
235
236struct fw_xfer{
237	caddr_t sc;
238	struct firewire_comm *fc;
239	struct fw_xferq *q;
240	struct timeval tv;
241	/* XXX should be removed */
242	u_int32_t dst; /* XXX for if_fwe */
243	u_int8_t spd;
244	int8_t resp;
245#define FWXF_INIT 0
246#define FWXF_INQ 1
247#define FWXF_START 2
248#define FWXF_SENT 3
249#define FWXF_SENTERR 4
250#define FWXF_BUSY 8
251#define FWXF_RCVD 10
252	u_int8_t state;
253	u_int8_t retry;
254	u_int8_t tl;
255	void (*retry_req) __P((struct fw_xfer *));
256	union{
257		void (*hand) __P((struct fw_xfer *));
258	} act;
259	struct {
260		int len;
261		caddr_t buf;
262	} send, recv;
263	struct mbuf *mbuf;
264	STAILQ_ENTRY(fw_xfer) link;
265	struct malloc_type *malloc;
266};
267void fw_sidrcv __P((struct firewire_comm *, u_int32_t *, u_int));
268void fw_rcv __P((struct firewire_comm *, struct iovec *, int, u_int, u_int));
269void fw_xfer_unload __P(( struct fw_xfer*));
270void fw_xfer_free __P(( struct fw_xfer*));
271struct fw_xfer *fw_xfer_alloc __P((struct malloc_type *));
272struct fw_xfer *fw_xfer_alloc_buf __P((struct malloc_type *, int, int));
273void fw_init __P((struct firewire_comm *));
274int fw_tbuf_update __P((struct firewire_comm *, int, int));
275int fw_rbuf_update __P((struct firewire_comm *, int, int));
276void fw_asybusy __P((struct fw_xfer *));
277int fw_bindadd __P((struct firewire_comm *, struct fw_bind *));
278int fw_bindremove __P((struct firewire_comm *, struct fw_bind *));
279int fw_asyreq __P((struct firewire_comm *, int, struct fw_xfer*));
280void fw_busreset __P((struct firewire_comm *));
281u_int16_t fw_crc16 __P((u_int32_t *, u_int32_t));
282void fw_xfer_timeout __P((void *));
283void fw_xfer_done __P((struct fw_xfer *));
284void fw_asy_callback __P((struct fw_xfer *));
285struct fw_device *fw_noderesolve_nodeid __P((struct firewire_comm *, int));
286struct fw_device *fw_noderesolve_eui64 __P((struct firewire_comm *, struct fw_eui64 *));
287struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int32_t, u_int32_t));
288void fw_drain_txq __P((struct firewire_comm *));
289
290
291extern int firewire_debug;
292extern devclass_t firewire_devclass;
293
294#define		FWPRI		((PZERO+8)|PCATCH)
295
296#if __FreeBSD_version >= 500000
297#define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */)
298#else
299#define CALLOUT_INIT(x) callout_init(x)
300#endif
301
302MALLOC_DECLARE(M_FW);
303MALLOC_DECLARE(M_FWXFER);
304