summaryrefslogtreecommitdiffstats
path: root/sys/dev/firewire/firewirereg.h
blob: c918e202095acbe5070e120d2f7789e63d65df3f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
/*
 * 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.
 * 
 * $FreeBSD$
 *
 */

#if __FreeBSD_version >= 500000
typedef	struct thread fw_proc;
#include <sys/selinfo.h>
#else
typedef	struct proc fw_proc;
#include <sys/select.h>
#endif

#include <sys/uio.h>

#define	splfw splimp

struct fw_device{
	u_int16_t dst;
	struct fw_eui64 eui;
	u_int8_t speed;
	u_int8_t maxrec;
	u_int8_t nport;
	u_int8_t power;
#define CSRROMOFF 0x400
#define CSRROMSIZE 0x400
	int rommax;	/* offset from 0xffff f000 0000 */
	u_int32_t csrrom[CSRROMSIZE/4];
	int rcnt;
	struct firewire_comm *fc;
	u_int32_t status;
#define FWDEVINIT	1
#define FWDEVATTACHED	2
#define FWDEVINVAL	3
	STAILQ_ENTRY(fw_device) link;
};

struct firewire_softc {
#if __FreeBSD_version >= 500000
	dev_t dev;
#else
	dev_t dev[FWMAXNDMA+1];
#endif
	struct firewire_comm *fc;
};

#define FW_MAX_DMACH 0x20
#define FW_MAX_DEVCH FW_MAX_DMACH
#define FW_XFERTIMEOUT 1

struct firewire_dev_comm {
	device_t dev;
	struct firewire_comm *fc;
	void (*post_busreset) __P((void *));
	void (*post_explore) __P((void *));
};

struct tcode_info {
	u_char hdr_len;	/* IEEE1394 header length */
	u_char flag;
#define FWTI_REQ	(1 << 0)
#define FWTI_RES	(1 << 1)
#define FWTI_TLABEL	(1 << 2)
#define FWTI_BLOCK_STR	(1 << 3)
#define FWTI_BLOCK_ASY	(1 << 4)
};

struct firewire_comm{
	device_t dev;
	device_t bdev;
	u_int16_t busid:10,
		  nodeid:6;
	u_int mode;
	u_int nport;
	u_int speed;
	u_int maxrec;
	u_int irm;
	u_int max_node;
	u_int max_hop;
	u_int max_asyretry;
#define FWPHYASYST (1 << 0)
	u_int retry_count;
	u_int32_t ongobus:10,
		  ongonode:6,
		  ongoaddr:16;
	struct fw_device *ongodev;
	struct fw_eui64 ongoeui;
#define	FWMAXCSRDIR     16
	SLIST_HEAD(, csrdir) ongocsr;
	SLIST_HEAD(, csrdir) csrfree;
	u_int32_t status;
#define	FWBUSRESET	0
#define	FWBUSINIT	1
#define	FWBUSCYMELECT	2
#define	FWBUSMGRELECT	3
#define	FWBUSMGRDONE	4
#define	FWBUSEXPLORE	5
#define	FWBUSPHYCONF	6
#define	FWBUSEXPDONE	7
#define	FWBUSCOMPLETION	10
	int nisodma;
	struct fw_eui64 eui;
	struct fw_xferq
		*arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
	STAILQ_HEAD(, tlabel) tlabels[0x40];
	STAILQ_HEAD(, fw_bind) binds;
	STAILQ_HEAD(, fw_device) devices;
	STAILQ_HEAD(, fw_xfer)	pending;
	u_int  sid_cnt;
#define CSRSIZE 0x4000
	u_int32_t csr_arc[CSRSIZE/4];
#define CROMSIZE 0x400
	u_int32_t *config_rom;
	struct fw_topology_map *topology_map;
	struct fw_speed_map *speed_map;
	struct callout busprobe_callout;
	struct callout bmr_callout;
	struct callout timeout_callout;
	struct callout retry_probe_callout;
	u_int32_t (*cyctimer) __P((struct  firewire_comm *));
	void (*ibr) __P((struct firewire_comm *));
	u_int32_t (*set_bmr) __P((struct firewire_comm *, u_int32_t));
	int (*ioctl) __P((dev_t, u_long, caddr_t, int, fw_proc *));
	int (*irx_enable) __P((struct firewire_comm *, int));
	int (*irx_disable) __P((struct firewire_comm *, int));
	int (*itx_enable) __P((struct firewire_comm *, int));
	int (*itx_disable) __P((struct firewire_comm *, int));
	void (*timeout) __P((void *));
	void (*poll) __P((struct firewire_comm *, int, int));
	void (*set_intr) __P((struct firewire_comm *, int));
	void (*irx_post) __P((struct firewire_comm *, u_int32_t *));
	void (*itx_post) __P((struct firewire_comm *, u_int32_t *));
	struct tcode_info *tcode;
	bus_dma_tag_t dmat;
};
#define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])

struct csrdir{
	u_int32_t ongoaddr;
	u_int32_t off;
	SLIST_ENTRY(csrdir) link;
};

struct fw_xferq {
	int flag;
#define FWXFERQ_CHTAGMASK 0xff
#define FWXFERQ_RUNNING (1 << 8)
#define FWXFERQ_STREAM (1 << 9)

#define FWXFERQ_BULK (1 << 11)
#define FWXFERQ_MODEMASK (7 << 10)

#define FWXFERQ_EXTBUF (1 << 13)
#define FWXFERQ_OPEN (1 << 14)

#define FWXFERQ_HANDLER (1 << 16)
#define FWXFERQ_WAKEUP (1 << 17)

	void (*start) __P((struct firewire_comm*));
	STAILQ_HEAD(, fw_xfer) q;
	u_int queued;
	u_int maxq;
	u_int psize;
	STAILQ_HEAD(, fw_bind) binds;
	struct fwdma_alloc_multi *buf;
	u_int bnchunk;
	u_int bnpacket;
	struct fw_bulkxfer *bulkxfer;
	STAILQ_HEAD(, fw_bulkxfer) stvalid;
	STAILQ_HEAD(, fw_bulkxfer) stfree;
	STAILQ_HEAD(, fw_bulkxfer) stdma;
	struct fw_bulkxfer *stproc;
	struct selinfo rsel;
	caddr_t sc;
	void (*hand) __P((struct fw_xferq *));
};

struct fw_bulkxfer{
	int poffset;
	struct mbuf *mbuf;
	STAILQ_ENTRY(fw_bulkxfer) link;
	caddr_t start;
	caddr_t end;
	int resp;
};

struct tlabel{
	struct fw_xfer  *xfer;
	STAILQ_ENTRY(tlabel) link;
};

struct fw_bind{
	u_int32_t start_hi, start_lo, addrlen;
	STAILQ_HEAD(, fw_xfer) xferlist;
	STAILQ_ENTRY(fw_bind) fclist;
	STAILQ_ENTRY(fw_bind) chlist;
#define FWACT_NULL	0
#define FWACT_XFER	2
#define FWACT_CH	3
	u_int8_t act_type;
	u_int8_t sub;
};

struct fw_xfer{
	caddr_t sc;
	struct firewire_comm *fc;
	struct fw_xferq *q;
	struct timeval tv;
	/* XXX should be removed */
	u_int32_t dst; /* XXX for if_fwe */
	u_int8_t spd;
	int8_t resp;
#define FWXF_INIT 0
#define FWXF_INQ 1
#define FWXF_START 2
#define FWXF_SENT 3
#define FWXF_SENTERR 4
#define FWXF_BUSY 8
#define FWXF_RCVD 10
	u_int8_t state;
	u_int8_t retry;
	u_int8_t tl;
	void (*retry_req) __P((struct fw_xfer *));
	union{
		void (*hand) __P((struct fw_xfer *));
	} act;
	struct {
		int len;
		caddr_t buf;
	} send, recv;
	struct mbuf *mbuf;
	STAILQ_ENTRY(fw_xfer) link;
	struct malloc_type *malloc;
};
void fw_sidrcv __P((struct firewire_comm *, u_int32_t *, u_int));
void fw_rcv __P((struct firewire_comm *, struct iovec *, int, u_int, u_int));
void fw_xfer_unload __P(( struct fw_xfer*));
void fw_xfer_free __P(( struct fw_xfer*));
struct fw_xfer *fw_xfer_alloc __P((struct malloc_type *));
struct fw_xfer *fw_xfer_alloc_buf __P((struct malloc_type *, int, int));
void fw_init __P((struct firewire_comm *));
int fw_tbuf_update __P((struct firewire_comm *, int, int));
int fw_rbuf_update __P((struct firewire_comm *, int, int));
void fw_asybusy __P((struct fw_xfer *));
int fw_bindadd __P((struct firewire_comm *, struct fw_bind *));
int fw_bindremove __P((struct firewire_comm *, struct fw_bind *));
int fw_asyreq __P((struct firewire_comm *, int, struct fw_xfer*));
void fw_busreset __P((struct firewire_comm *));
u_int16_t fw_crc16 __P((u_int32_t *, u_int32_t));
void fw_xfer_timeout __P((void *));
void fw_xfer_done __P((struct fw_xfer *));
void fw_asy_callback __P((struct fw_xfer *));
struct fw_device *fw_noderesolve_nodeid __P((struct firewire_comm *, int));
struct fw_device *fw_noderesolve_eui64 __P((struct firewire_comm *, struct fw_eui64 *));
struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int32_t, u_int32_t));
void fw_drain_txq __P((struct firewire_comm *));


extern int firewire_debug;
extern devclass_t firewire_devclass;

#define		FWPRI		((PZERO+8)|PCATCH)

#if __FreeBSD_version >= 500000
#define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */)
#else
#define CALLOUT_INIT(x) callout_init(x)
#endif

MALLOC_DECLARE(M_FW);
MALLOC_DECLARE(M_FWXFER);
OpenPOWER on IntegriCloud