xref: /dragonfly/sys/bus/firewire/firewirereg.h (revision 36a3d1d6)
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 1.33 2004/01/06 14:30:46 simokawa Exp $
35  * $DragonFly: src/sys/bus/firewire/firewirereg.h,v 1.12 2006/09/10 01:26:32 dillon Exp $
36  *
37  */
38 
39 #ifdef __DragonFly__
40 typedef	struct thread fw_proc;
41 #elif __FreeBSD_version >= 500000
42 typedef	struct thread fw_proc;
43 #else
44 typedef	struct proc fw_proc;
45 #endif
46 
47 #include <sys/uio.h>
48 #include <sys/event.h>
49 
50 struct dev_ioctl_args;
51 
52 struct fw_device{
53 	u_int16_t dst;
54 	struct fw_eui64 eui;
55 	u_int8_t speed;
56 	u_int8_t maxrec;
57 	u_int8_t nport;
58 	u_int8_t power;
59 #define CSRROMOFF 0x400
60 #define CSRROMSIZE 0x400
61 	int rommax;	/* offset from 0xffff f000 0000 */
62 	u_int32_t csrrom[CSRROMSIZE/4];
63 	int rcnt;
64 	struct firewire_comm *fc;
65 	u_int32_t status;
66 #define FWDEVINIT	1
67 #define FWDEVATTACHED	2
68 #define FWDEVINVAL	3
69 	STAILQ_ENTRY(fw_device) link;
70 };
71 
72 struct firewire_softc {
73 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
74 	cdev_t dev;
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) (void *);
87 	void (*post_explore) (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	FWBUSNOTREADY	(-1)
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 	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 crom_src_buf *crom_src_buf;
147 	struct crom_src *crom_src;
148 	struct crom_chunk *crom_root;
149 	struct fw_topology_map *topology_map;
150 	struct fw_speed_map *speed_map;
151 	struct callout busprobe_callout;
152 	struct callout bmr_callout;
153 	struct callout timeout_callout;
154 	struct callout retry_probe_callout;
155 	u_int32_t (*cyctimer) (struct  firewire_comm *);
156 	void (*ibr) (struct firewire_comm *);
157 	u_int32_t (*set_bmr) (struct firewire_comm *, u_int32_t);
158 	int (*ioctl) (struct dev_ioctl_args *);
159 	int (*irx_enable) (struct firewire_comm *, int);
160 	int (*irx_disable) (struct firewire_comm *, int);
161 	int (*itx_enable) (struct firewire_comm *, int);
162 	int (*itx_disable) (struct firewire_comm *, int);
163 	void (*timeout) (void *);
164 	void (*poll) (struct firewire_comm *, int, int);
165 	void (*set_intr) (struct firewire_comm *, int);
166 	void (*irx_post) (struct firewire_comm *, u_int32_t *);
167 	void (*itx_post) (struct firewire_comm *, u_int32_t *);
168 	struct tcode_info *tcode;
169 	bus_dma_tag_t dmat;
170 };
171 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
172 
173 struct csrdir{
174 	u_int32_t ongoaddr;
175 	u_int32_t off;
176 	SLIST_ENTRY(csrdir) link;
177 };
178 
179 struct fw_xferq {
180 	int flag;
181 #define FWXFERQ_CHTAGMASK 0xff
182 #define FWXFERQ_RUNNING (1 << 8)
183 #define FWXFERQ_STREAM (1 << 9)
184 
185 #define FWXFERQ_BULK (1 << 11)
186 #define FWXFERQ_MODEMASK (7 << 10)
187 
188 #define FWXFERQ_EXTBUF (1 << 13)
189 #define FWXFERQ_OPEN (1 << 14)
190 
191 #define FWXFERQ_HANDLER (1 << 16)
192 #define FWXFERQ_WAKEUP (1 << 17)
193 	void (*start) (struct firewire_comm*);
194 	int dmach;
195 	STAILQ_HEAD(, fw_xfer) q;
196 	u_int queued;
197 	u_int maxq;
198 	u_int psize;
199 	STAILQ_HEAD(, fw_bind) binds;
200 	struct fwdma_alloc_multi *buf;
201 	u_int bnchunk;
202 	u_int bnpacket;
203 	struct fw_bulkxfer *bulkxfer;
204 	STAILQ_HEAD(, fw_bulkxfer) stvalid;
205 	STAILQ_HEAD(, fw_bulkxfer) stfree;
206 	STAILQ_HEAD(, fw_bulkxfer) stdma;
207 	struct fw_bulkxfer *stproc;
208 	struct kqinfo rkq;
209 	caddr_t sc;
210 	void (*hand) (struct fw_xferq *);
211 };
212 
213 struct fw_bulkxfer{
214 	int poffset;
215 	struct mbuf *mbuf;
216 	STAILQ_ENTRY(fw_bulkxfer) link;
217 	caddr_t start;
218 	caddr_t end;
219 	int resp;
220 };
221 
222 struct tlabel{
223 	struct fw_xfer  *xfer;
224 	STAILQ_ENTRY(tlabel) link;
225 };
226 
227 struct fw_bind{
228 	u_int64_t start;
229 	u_int64_t end;
230 	STAILQ_HEAD(, fw_xfer) xferlist;
231 	STAILQ_ENTRY(fw_bind) fclist;
232 	STAILQ_ENTRY(fw_bind) chlist;
233 #define FWACT_NULL	0
234 #define FWACT_XFER	2
235 #define FWACT_CH	3
236 	u_int8_t act_type;
237 	u_int8_t sub;
238 };
239 
240 struct fw_xfer{
241 	caddr_t sc;
242 	struct firewire_comm *fc;
243 	struct fw_xferq *q;
244 	struct timeval tv;
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) (struct fw_xfer *);
257 	union{
258 		void (*hand) (struct fw_xfer *);
259 	} act;
260 	struct {
261 		struct fw_pkt hdr;
262 		u_int32_t *payload;
263 		u_int16_t pay_len;
264 		u_int8_t spd;
265 	} send, recv;
266 	struct mbuf *mbuf;
267 	STAILQ_ENTRY(fw_xfer) link;
268 	struct malloc_type *malloc;
269 };
270 
271 struct fw_rcv_buf {
272 	struct firewire_comm *fc;
273 	struct fw_xfer *xfer;
274 	struct iovec *vec;
275 	u_int nvec;
276 	u_int8_t spd;
277 };
278 
279 void fw_sidrcv (struct firewire_comm *, u_int32_t *, u_int);
280 void fw_rcv (struct fw_rcv_buf *);
281 void fw_xfer_unload ( struct fw_xfer*);
282 void fw_xfer_free_buf ( struct fw_xfer*);
283 void fw_xfer_free ( struct fw_xfer*);
284 struct fw_xfer *fw_xfer_alloc (struct malloc_type *);
285 struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int);
286 void fw_init (struct firewire_comm *);
287 int fw_tbuf_update (struct firewire_comm *, int, int);
288 int fw_rbuf_update (struct firewire_comm *, int, int);
289 void fw_asybusy (struct fw_xfer *);
290 int fw_bindadd (struct firewire_comm *, struct fw_bind *);
291 int fw_bindremove (struct firewire_comm *, struct fw_bind *);
292 int fw_asyreq (struct firewire_comm *, int, struct fw_xfer*);
293 void fw_busreset (struct firewire_comm *);
294 u_int16_t fw_crc16 (u_int32_t *, u_int32_t);
295 void fw_xfer_timeout (void *);
296 void fw_xfer_done (struct fw_xfer *);
297 void fw_asy_callback (struct fw_xfer *);
298 void fw_asy_callback_free (struct fw_xfer *);
299 struct fw_device *fw_noderesolve_nodeid (struct firewire_comm *, int);
300 struct fw_device *fw_noderesolve_eui64 (struct firewire_comm *, struct fw_eui64 *);
301 struct fw_bind *fw_bindlookup (struct firewire_comm *, u_int16_t, u_int32_t);
302 void fw_drain_txq (struct firewire_comm *);
303 int fwdev_makedev (struct firewire_softc *);
304 int fwdev_destroydev (struct firewire_softc *);
305 void fwdev_clone (void *, char *, int, cdev_t *);
306 
307 extern int firewire_debug;
308 extern devclass_t firewire_devclass;
309 
310 #ifdef __DragonFly__
311 #define		FWPRI		PCATCH
312 #else
313 #define		FWPRI		((PZERO+8)|PCATCH)
314 #endif
315 
316 #if defined(__DragonFly__) || __FreeBSD_version < 500000
317 #define CALLOUT_INIT(x) callout_init(x)
318 #else
319 #define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */)
320 #endif
321 
322 #if defined(__DragonFly__)
323 #define MIN(a,b) (((a)<(b))?(a):(b))
324 #define MAX(a,b) (((a)>(b))?(a):(b))
325 #endif
326 
327 MALLOC_DECLARE(M_FW);
328 MALLOC_DECLARE(M_FWXFER);
329