xref: /dragonfly/sys/bus/firewire/firewirereg.h (revision 9c600e7d)
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: src/sys/dev/firewire/firewirereg.h,v 1.1.2.14 2003/05/01 06:24:37 simokawa Exp $
35  * $DragonFly: src/sys/bus/firewire/firewirereg.h,v 1.4 2003/07/19 21:14:21 dillon Exp $
36  *
37  */
38 
39 #if __FreeBSD_version >= 500000
40 typedef	struct thread fw_proc;
41 #include <sys/selinfo.h>
42 #else
43 typedef	struct thread fw_proc;
44 #include <sys/select.h>
45 #endif
46 
47 #include <sys/uio.h>
48 
49 #define	splfw splimp
50 
51 struct fw_device{
52 	u_int16_t dst;
53 	struct fw_eui64 eui;
54 	u_int8_t speed;
55 	u_int8_t maxrec;
56 	u_int8_t nport;
57 	u_int8_t power;
58 #define CSRROMOFF 0x400
59 #define CSRROMSIZE 0x400
60 	int rommax;	/* offset from 0xffff f000 0000 */
61 	u_int32_t csrrom[CSRROMSIZE/4];
62 	int rcnt;
63 	struct firewire_comm *fc;
64 	u_int32_t status;
65 #define FWDEVINIT	1
66 #define FWDEVATTACHED	2
67 #define FWDEVINVAL	3
68 	STAILQ_ENTRY(fw_device) link;
69 };
70 
71 struct firewire_softc {
72 #if __FreeBSD_version >= 500000
73 	dev_t dev;
74 #else
75 	dev_t dev[FWMAXNDMA+1];
76 #endif
77 	struct firewire_comm *fc;
78 };
79 
80 #define FW_MAX_DMACH 0x20
81 #define FW_MAX_DEVCH FW_MAX_DMACH
82 #define FW_XFERTIMEOUT 1
83 
84 struct firewire_dev_comm {
85 	device_t dev;
86 	struct firewire_comm *fc;
87 	void (*post_busreset) __P((void *));
88 	void (*post_explore) __P((void *));
89 };
90 
91 struct tcode_info {
92 	u_char hdr_len;	/* IEEE1394 header length */
93 	u_char flag;
94 #define FWTI_REQ	(1 << 0)
95 #define FWTI_RES	(1 << 1)
96 #define FWTI_TLABEL	(1 << 2)
97 #define FWTI_BLOCK_STR	(1 << 3)
98 #define FWTI_BLOCK_ASY	(1 << 4)
99 };
100 
101 struct firewire_comm{
102 	device_t dev;
103 	device_t bdev;
104 	u_int16_t busid:10,
105 		  nodeid:6;
106 	u_int mode;
107 	u_int nport;
108 	u_int speed;
109 	u_int maxrec;
110 	u_int irm;
111 	u_int max_node;
112 	u_int max_hop;
113 	u_int max_asyretry;
114 #define FWPHYASYST (1 << 0)
115 	u_int retry_count;
116 	u_int32_t ongobus:10,
117 		  ongonode:6,
118 		  ongoaddr:16;
119 	struct fw_device *ongodev;
120 	struct fw_eui64 ongoeui;
121 #define	FWMAXCSRDIR     16
122 	SLIST_HEAD(, csrdir) ongocsr;
123 	SLIST_HEAD(, csrdir) csrfree;
124 	u_int32_t status;
125 #define	FWBUSRESET	0
126 #define	FWBUSINIT	1
127 #define	FWBUSCYMELECT	2
128 #define	FWBUSMGRELECT	3
129 #define	FWBUSMGRDONE	4
130 #define	FWBUSEXPLORE	5
131 #define	FWBUSPHYCONF	6
132 #define	FWBUSEXPDONE	7
133 #define	FWBUSCOMPLETION	10
134 	int nisodma;
135 	struct fw_eui64 eui;
136 	struct fw_xferq
137 		*arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
138 	STAILQ_HEAD(, tlabel) tlabels[0x40];
139 	STAILQ_HEAD(, fw_bind) binds;
140 	STAILQ_HEAD(, fw_device) devices;
141 	STAILQ_HEAD(, fw_xfer)	pending;
142 	u_int  sid_cnt;
143 #define CSRSIZE 0x4000
144 	u_int32_t csr_arc[CSRSIZE/4];
145 #define CROMSIZE 0x400
146 	u_int32_t *config_rom;
147 	struct fw_topology_map *topology_map;
148 	struct fw_speed_map *speed_map;
149 	struct callout busprobe_callout;
150 	struct callout bmr_callout;
151 	struct callout timeout_callout;
152 	struct callout retry_probe_callout;
153 	u_int32_t (*cyctimer) __P((struct  firewire_comm *));
154 	void (*ibr) __P((struct firewire_comm *));
155 	u_int32_t (*set_bmr) __P((struct firewire_comm *, u_int32_t));
156 	int (*ioctl) __P((dev_t, u_long, caddr_t, int, fw_proc *));
157 	int (*irx_enable) __P((struct firewire_comm *, int));
158 	int (*irx_disable) __P((struct firewire_comm *, int));
159 	int (*itx_enable) __P((struct firewire_comm *, int));
160 	int (*itx_disable) __P((struct firewire_comm *, int));
161 	void (*timeout) __P((void *));
162 	void (*poll) __P((struct firewire_comm *, int, int));
163 	void (*set_intr) __P((struct firewire_comm *, int));
164 	void (*irx_post) __P((struct firewire_comm *, u_int32_t *));
165 	void (*itx_post) __P((struct firewire_comm *, u_int32_t *));
166 	struct tcode_info *tcode;
167 	bus_dma_tag_t dmat;
168 };
169 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
170 
171 struct csrdir{
172 	u_int32_t ongoaddr;
173 	u_int32_t off;
174 	SLIST_ENTRY(csrdir) link;
175 };
176 
177 struct fw_xferq {
178 	int flag;
179 #define FWXFERQ_CHTAGMASK 0xff
180 #define FWXFERQ_RUNNING (1 << 8)
181 #define FWXFERQ_STREAM (1 << 9)
182 
183 #define FWXFERQ_BULK (1 << 11)
184 #define FWXFERQ_MODEMASK (7 << 10)
185 
186 #define FWXFERQ_EXTBUF (1 << 13)
187 #define FWXFERQ_OPEN (1 << 14)
188 
189 #define FWXFERQ_HANDLER (1 << 16)
190 #define FWXFERQ_WAKEUP (1 << 17)
191 
192 	void (*start) __P((struct firewire_comm*));
193 	STAILQ_HEAD(, fw_xfer) q;
194 	u_int queued;
195 	u_int maxq;
196 	u_int psize;
197 	STAILQ_HEAD(, fw_bind) binds;
198 	struct fwdma_alloc_multi *buf;
199 	u_int bnchunk;
200 	u_int bnpacket;
201 	struct fw_bulkxfer *bulkxfer;
202 	STAILQ_HEAD(, fw_bulkxfer) stvalid;
203 	STAILQ_HEAD(, fw_bulkxfer) stfree;
204 	STAILQ_HEAD(, fw_bulkxfer) stdma;
205 	struct fw_bulkxfer *stproc;
206 	struct selinfo rsel;
207 	caddr_t sc;
208 	void (*hand) __P((struct fw_xferq *));
209 };
210 
211 struct fw_bulkxfer{
212 	int poffset;
213 	struct mbuf *mbuf;
214 	STAILQ_ENTRY(fw_bulkxfer) link;
215 	caddr_t start;
216 	caddr_t end;
217 	int resp;
218 };
219 
220 struct tlabel{
221 	struct fw_xfer  *xfer;
222 	STAILQ_ENTRY(tlabel) link;
223 };
224 
225 struct fw_bind{
226 	u_int32_t start_hi, start_lo, addrlen;
227 	STAILQ_HEAD(, fw_xfer) xferlist;
228 	STAILQ_ENTRY(fw_bind) fclist;
229 	STAILQ_ENTRY(fw_bind) chlist;
230 #define FWACT_NULL	0
231 #define FWACT_XFER	2
232 #define FWACT_CH	3
233 	u_int8_t act_type;
234 	u_int8_t sub;
235 };
236 
237 struct fw_xfer{
238 	caddr_t sc;
239 	struct firewire_comm *fc;
240 	struct fw_xferq *q;
241 	struct timeval tv;
242 	/* XXX should be removed */
243 	u_int32_t dst; /* XXX for if_fwe */
244 	u_int8_t spd;
245 	int8_t resp;
246 #define FWXF_INIT 0
247 #define FWXF_INQ 1
248 #define FWXF_START 2
249 #define FWXF_SENT 3
250 #define FWXF_SENTERR 4
251 #define FWXF_BUSY 8
252 #define FWXF_RCVD 10
253 	u_int8_t state;
254 	u_int8_t retry;
255 	u_int8_t tl;
256 	void (*retry_req) __P((struct fw_xfer *));
257 	union{
258 		void (*hand) __P((struct fw_xfer *));
259 	} act;
260 	struct {
261 		int len;
262 		caddr_t buf;
263 	} send, recv;
264 	struct mbuf *mbuf;
265 	STAILQ_ENTRY(fw_xfer) link;
266 	struct malloc_type *malloc;
267 };
268 void fw_sidrcv __P((struct firewire_comm *, u_int32_t *, u_int));
269 void fw_rcv __P((struct firewire_comm *, struct iovec *, int, u_int, u_int));
270 void fw_xfer_unload __P(( struct fw_xfer*));
271 void fw_xfer_free __P(( struct fw_xfer*));
272 struct fw_xfer *fw_xfer_alloc __P((struct malloc_type *));
273 struct fw_xfer *fw_xfer_alloc_buf __P((struct malloc_type *, int, int));
274 void fw_init __P((struct firewire_comm *));
275 int fw_tbuf_update __P((struct firewire_comm *, int, int));
276 int fw_rbuf_update __P((struct firewire_comm *, int, int));
277 void fw_asybusy __P((struct fw_xfer *));
278 int fw_bindadd __P((struct firewire_comm *, struct fw_bind *));
279 int fw_bindremove __P((struct firewire_comm *, struct fw_bind *));
280 int fw_asyreq __P((struct firewire_comm *, int, struct fw_xfer*));
281 void fw_busreset __P((struct firewire_comm *));
282 u_int16_t fw_crc16 __P((u_int32_t *, u_int32_t));
283 void fw_xfer_timeout __P((void *));
284 void fw_xfer_done __P((struct fw_xfer *));
285 void fw_asy_callback __P((struct fw_xfer *));
286 struct fw_device *fw_noderesolve_nodeid __P((struct firewire_comm *, int));
287 struct fw_device *fw_noderesolve_eui64 __P((struct firewire_comm *, struct fw_eui64 *));
288 struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int32_t, u_int32_t));
289 void fw_drain_txq __P((struct firewire_comm *));
290 
291 
292 extern int firewire_debug;
293 extern devclass_t firewire_devclass;
294 
295 #define	FWPRI	PCATCH
296 
297 #if __FreeBSD_version >= 500000
298 #define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */)
299 #else
300 #define CALLOUT_INIT(x) callout_init(x)
301 #endif
302 
303 MALLOC_DECLARE(M_FW);
304 MALLOC_DECLARE(M_FWXFER);
305