xref: /dragonfly/sys/bus/firewire/firewirereg.h (revision 984263bc)
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  *
36  */
37 
38 #if __FreeBSD_version >= 500000
39 typedef	struct thread fw_proc;
40 #include <sys/selinfo.h>
41 #else
42 typedef	struct proc fw_proc;
43 #include <sys/select.h>
44 #endif
45 
46 #include <sys/uio.h>
47 
48 #define	splfw splimp
49 
50 struct 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 
70 struct 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 
83 struct 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 
90 struct 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 
100 struct 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 
170 struct csrdir{
171 	u_int32_t ongoaddr;
172 	u_int32_t off;
173 	SLIST_ENTRY(csrdir) link;
174 };
175 
176 struct 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 
210 struct 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 
219 struct tlabel{
220 	struct fw_xfer  *xfer;
221 	STAILQ_ENTRY(tlabel) link;
222 };
223 
224 struct 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 
236 struct 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 };
267 void fw_sidrcv __P((struct firewire_comm *, u_int32_t *, u_int));
268 void fw_rcv __P((struct firewire_comm *, struct iovec *, int, u_int, u_int));
269 void fw_xfer_unload __P(( struct fw_xfer*));
270 void fw_xfer_free __P(( struct fw_xfer*));
271 struct fw_xfer *fw_xfer_alloc __P((struct malloc_type *));
272 struct fw_xfer *fw_xfer_alloc_buf __P((struct malloc_type *, int, int));
273 void fw_init __P((struct firewire_comm *));
274 int fw_tbuf_update __P((struct firewire_comm *, int, int));
275 int fw_rbuf_update __P((struct firewire_comm *, int, int));
276 void fw_asybusy __P((struct fw_xfer *));
277 int fw_bindadd __P((struct firewire_comm *, struct fw_bind *));
278 int fw_bindremove __P((struct firewire_comm *, struct fw_bind *));
279 int fw_asyreq __P((struct firewire_comm *, int, struct fw_xfer*));
280 void fw_busreset __P((struct firewire_comm *));
281 u_int16_t fw_crc16 __P((u_int32_t *, u_int32_t));
282 void fw_xfer_timeout __P((void *));
283 void fw_xfer_done __P((struct fw_xfer *));
284 void fw_asy_callback __P((struct fw_xfer *));
285 struct fw_device *fw_noderesolve_nodeid __P((struct firewire_comm *, int));
286 struct fw_device *fw_noderesolve_eui64 __P((struct firewire_comm *, struct fw_eui64 *));
287 struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int32_t, u_int32_t));
288 void fw_drain_txq __P((struct firewire_comm *));
289 
290 
291 extern int firewire_debug;
292 extern 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 
302 MALLOC_DECLARE(M_FW);
303 MALLOC_DECLARE(M_FWXFER);
304