firewirereg.h revision 120660
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 120660 2003-10-02 04:06:56Z 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#endif
74	struct firewire_comm *fc;
75};
76
77#define FW_MAX_DMACH 0x20
78#define FW_MAX_DEVCH FW_MAX_DMACH
79#define FW_XFERTIMEOUT 1
80
81struct firewire_dev_comm {
82	device_t dev;
83	struct firewire_comm *fc;
84	void (*post_busreset) __P((void *));
85	void (*post_explore) __P((void *));
86};
87
88struct tcode_info {
89	u_char hdr_len;	/* IEEE1394 header length */
90	u_char flag;
91#define FWTI_REQ	(1 << 0)
92#define FWTI_RES	(1 << 1)
93#define FWTI_TLABEL	(1 << 2)
94#define FWTI_BLOCK_STR	(1 << 3)
95#define FWTI_BLOCK_ASY	(1 << 4)
96};
97
98struct firewire_comm{
99	device_t dev;
100	device_t bdev;
101	u_int16_t busid:10,
102		  nodeid:6;
103	u_int mode;
104	u_int nport;
105	u_int speed;
106	u_int maxrec;
107	u_int irm;
108	u_int max_node;
109	u_int max_hop;
110	u_int max_asyretry;
111#define FWPHYASYST (1 << 0)
112	u_int retry_count;
113	u_int32_t ongobus:10,
114		  ongonode:6,
115		  ongoaddr:16;
116	struct fw_device *ongodev;
117	struct fw_eui64 ongoeui;
118#define	FWMAXCSRDIR     16
119	SLIST_HEAD(, csrdir) ongocsr;
120	SLIST_HEAD(, csrdir) csrfree;
121	u_int32_t status;
122#define	FWBUSNOTREADY	(-1)
123#define	FWBUSRESET	0
124#define	FWBUSINIT	1
125#define	FWBUSCYMELECT	2
126#define	FWBUSMGRELECT	3
127#define	FWBUSMGRDONE	4
128#define	FWBUSEXPLORE	5
129#define	FWBUSPHYCONF	6
130#define	FWBUSEXPDONE	7
131#define	FWBUSCOMPLETION	10
132	int nisodma;
133	struct fw_eui64 eui;
134	struct fw_xferq
135		*arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
136	STAILQ_HEAD(, tlabel) tlabels[0x40];
137	STAILQ_HEAD(, fw_bind) binds;
138	STAILQ_HEAD(, fw_device) devices;
139	STAILQ_HEAD(, fw_xfer)	pending;
140	u_int  sid_cnt;
141#define CSRSIZE 0x4000
142	u_int32_t csr_arc[CSRSIZE/4];
143#define CROMSIZE 0x400
144	u_int32_t *config_rom;
145	struct crom_src_buf *crom_src_buf;
146	struct crom_src *crom_src;
147	struct crom_chunk *crom_root;
148	struct fw_topology_map *topology_map;
149	struct fw_speed_map *speed_map;
150	struct callout busprobe_callout;
151	struct callout bmr_callout;
152	struct callout timeout_callout;
153	struct callout retry_probe_callout;
154	u_int32_t (*cyctimer) __P((struct  firewire_comm *));
155	void (*ibr) __P((struct firewire_comm *));
156	u_int32_t (*set_bmr) __P((struct firewire_comm *, u_int32_t));
157	int (*ioctl) __P((dev_t, u_long, caddr_t, int, fw_proc *));
158	int (*irx_enable) __P((struct firewire_comm *, int));
159	int (*irx_disable) __P((struct firewire_comm *, int));
160	int (*itx_enable) __P((struct firewire_comm *, int));
161	int (*itx_disable) __P((struct firewire_comm *, int));
162	void (*timeout) __P((void *));
163	void (*poll) __P((struct firewire_comm *, int, int));
164	void (*set_intr) __P((struct firewire_comm *, int));
165	void (*irx_post) __P((struct firewire_comm *, u_int32_t *));
166	void (*itx_post) __P((struct firewire_comm *, u_int32_t *));
167	struct tcode_info *tcode;
168	bus_dma_tag_t dmat;
169};
170#define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
171
172struct csrdir{
173	u_int32_t ongoaddr;
174	u_int32_t off;
175	SLIST_ENTRY(csrdir) link;
176};
177
178struct fw_xferq {
179	int flag;
180#define FWXFERQ_CHTAGMASK 0xff
181#define FWXFERQ_RUNNING (1 << 8)
182#define FWXFERQ_STREAM (1 << 9)
183
184#define FWXFERQ_BULK (1 << 11)
185#define FWXFERQ_MODEMASK (7 << 10)
186
187#define FWXFERQ_EXTBUF (1 << 13)
188#define FWXFERQ_OPEN (1 << 14)
189
190#define FWXFERQ_HANDLER (1 << 16)
191#define FWXFERQ_WAKEUP (1 << 17)
192	void (*start) __P((struct firewire_comm*));
193	int dmach;
194	STAILQ_HEAD(, fw_xfer) q;
195	u_int queued;
196	u_int maxq;
197	u_int psize;
198	STAILQ_HEAD(, fw_bind) binds;
199	struct fwdma_alloc_multi *buf;
200	u_int bnchunk;
201	u_int bnpacket;
202	struct fw_bulkxfer *bulkxfer;
203	STAILQ_HEAD(, fw_bulkxfer) stvalid;
204	STAILQ_HEAD(, fw_bulkxfer) stfree;
205	STAILQ_HEAD(, fw_bulkxfer) stdma;
206	struct fw_bulkxfer *stproc;
207	struct selinfo rsel;
208	caddr_t sc;
209	void (*hand) __P((struct fw_xferq *));
210};
211
212struct fw_bulkxfer{
213	int poffset;
214	struct mbuf *mbuf;
215	STAILQ_ENTRY(fw_bulkxfer) link;
216	caddr_t start;
217	caddr_t end;
218	int resp;
219};
220
221struct tlabel{
222	struct fw_xfer  *xfer;
223	STAILQ_ENTRY(tlabel) link;
224};
225
226struct fw_bind{
227	u_int64_t start;
228	u_int64_t end;
229	STAILQ_HEAD(, fw_xfer) xferlist;
230	STAILQ_ENTRY(fw_bind) fclist;
231	STAILQ_ENTRY(fw_bind) chlist;
232#define FWACT_NULL	0
233#define FWACT_XFER	2
234#define FWACT_CH	3
235	u_int8_t act_type;
236	u_int8_t sub;
237};
238
239struct fw_xfer{
240	caddr_t sc;
241	struct firewire_comm *fc;
242	struct fw_xferq *q;
243	struct timeval tv;
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		struct fw_pkt hdr;
261		u_int32_t *payload;
262		u_int16_t pay_len;
263		u_int8_t spd;
264	} send, recv;
265	struct mbuf *mbuf;
266	STAILQ_ENTRY(fw_xfer) link;
267	struct malloc_type *malloc;
268};
269
270struct fw_rcv_buf {
271	struct firewire_comm *fc;
272	struct fw_xfer *xfer;
273	struct iovec *vec;
274	u_int nvec;
275	u_int8_t spd;
276};
277
278void fw_sidrcv __P((struct firewire_comm *, u_int32_t *, u_int));
279void fw_rcv __P((struct fw_rcv_buf *));
280void fw_xfer_unload __P(( struct fw_xfer*));
281void fw_xfer_free_buf __P(( struct fw_xfer*));
282void fw_xfer_free __P(( struct fw_xfer*));
283struct fw_xfer *fw_xfer_alloc __P((struct malloc_type *));
284struct fw_xfer *fw_xfer_alloc_buf __P((struct malloc_type *, int, int));
285void fw_init __P((struct firewire_comm *));
286int fw_tbuf_update __P((struct firewire_comm *, int, int));
287int fw_rbuf_update __P((struct firewire_comm *, int, int));
288void fw_asybusy __P((struct fw_xfer *));
289int fw_bindadd __P((struct firewire_comm *, struct fw_bind *));
290int fw_bindremove __P((struct firewire_comm *, struct fw_bind *));
291int fw_asyreq __P((struct firewire_comm *, int, struct fw_xfer*));
292void fw_busreset __P((struct firewire_comm *));
293u_int16_t fw_crc16 __P((u_int32_t *, u_int32_t));
294void fw_xfer_timeout __P((void *));
295void fw_xfer_done __P((struct fw_xfer *));
296void fw_asy_callback __P((struct fw_xfer *));
297void fw_asy_callback_free __P((struct fw_xfer *));
298struct fw_device *fw_noderesolve_nodeid __P((struct firewire_comm *, int));
299struct fw_device *fw_noderesolve_eui64 __P((struct firewire_comm *, struct fw_eui64 *));
300struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int16_t, u_int32_t));
301void fw_drain_txq __P((struct firewire_comm *));
302int fwdev_makedev __P((struct firewire_softc *));
303int fwdev_destroydev __P((struct firewire_softc *));
304void fwdev_clone __P((void *, char *, int, dev_t *));
305
306extern int firewire_debug;
307extern devclass_t firewire_devclass;
308
309#define		FWPRI		((PZERO+8)|PCATCH)
310
311#if __FreeBSD_version >= 500000
312#define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */)
313#else
314#define CALLOUT_INIT(x) callout_init(x)
315#endif
316
317#if __FreeBSD_version < 500000
318/* compatibility shim for 4.X */
319#define bio buf
320#define bio_bcount b_bcount
321#define bio_cmd b_flags
322#define bio_count b_count
323#define bio_data b_data
324#define bio_dev b_dev
325#define bio_error b_error
326#define bio_flags b_flags
327#define bio_offset b_offset
328#define bio_resid b_resid
329#define BIO_ERROR B_ERROR
330#define BIO_READ B_READ
331#define BIO_WRITE B_WRITE
332#define MIN(a,b) (((a)<(b))?(a):(b))
333#endif
334
335MALLOC_DECLARE(M_FW);
336MALLOC_DECLARE(M_FWXFER);
337