xref: /dragonfly/sys/bus/firewire/firewirereg.h (revision 805c8e8e4093ceca2e27510ad3a66d4de8060a55)
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  */
36 
37 typedef   struct thread fw_proc;
38 
39 #include <sys/uio.h>
40 #include <sys/event.h>
41 
42 struct dev_ioctl_args;
43 
44 struct fw_device{
45           u_int16_t dst;
46           struct fw_eui64 eui;
47           u_int8_t speed;
48           u_int8_t maxrec;
49           u_int8_t nport;
50           u_int8_t power;
51 #define CSRROMOFF 0x400
52 #define CSRROMSIZE 0x400
53           int rommax;         /* offset from 0xffff f000 0000 */
54           u_int32_t csrrom[CSRROMSIZE/4];
55           int rcnt;
56           struct firewire_comm *fc;
57           u_int32_t status;
58 #define FWDEVINIT   1
59 #define FWDEVATTACHED         2
60 #define FWDEVINVAL  3
61           STAILQ_ENTRY(fw_device) link;
62 };
63 
64 struct firewire_softc {
65 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
66           cdev_t dev;
67 #endif
68           struct firewire_comm *fc;
69 };
70 
71 #define FW_MAX_DMACH 0x20
72 #define FW_MAX_DEVCH FW_MAX_DMACH
73 #define FW_XFERTIMEOUT 1
74 
75 struct firewire_dev_comm {
76           device_t dev;
77           struct firewire_comm *fc;
78           void (*post_busreset) (void *);
79           void (*post_explore) (void *);
80 };
81 
82 struct tcode_info {
83           u_char hdr_len;     /* IEEE1394 header length */
84           u_char flag;
85 #define FWTI_REQ    (1 << 0)
86 #define FWTI_RES    (1 << 1)
87 #define FWTI_TLABEL (1 << 2)
88 #define FWTI_BLOCK_STR        (1 << 3)
89 #define FWTI_BLOCK_ASY        (1 << 4)
90 };
91 
92 struct firewire_comm{
93           device_t dev;
94           device_t bdev;
95           u_int16_t busid:10,
96                       nodeid:6;
97           u_int mode;
98           u_int nport;
99           u_int speed;
100           u_int maxrec;
101           u_int irm;
102           u_int max_node;
103           u_int max_hop;
104           u_int max_asyretry;
105 #define FWPHYASYST (1 << 0)
106           u_int retry_count;
107           u_int32_t ongobus:10,
108                       ongonode:6,
109                       ongoaddr:16;
110           struct fw_device *ongodev;
111           struct fw_eui64 ongoeui;
112 #define   FWMAXCSRDIR     16
113           SLIST_HEAD(, csrdir) ongocsr;
114           SLIST_HEAD(, csrdir) csrfree;
115           u_int32_t status;
116 #define   FWBUSNOTREADY       (-1)
117 #define   FWBUSRESET          0
118 #define   FWBUSINIT 1
119 #define   FWBUSCYMELECT       2
120 #define   FWBUSMGRELECT       3
121 #define   FWBUSMGRDONE        4
122 #define   FWBUSEXPLORE        5
123 #define   FWBUSPHYCONF        6
124 #define   FWBUSEXPDONE        7
125 #define   FWBUSCOMPLETION     10
126           int nisodma;
127           struct fw_eui64 eui;
128           struct fw_xferq
129                     *arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
130           STAILQ_HEAD(, tlabel) tlabels[0x40];
131           STAILQ_HEAD(, fw_bind) binds;
132           STAILQ_HEAD(, fw_device) devices;
133           u_int  sid_cnt;
134 #define CSRSIZE 0x4000
135           u_int32_t csr_arc[CSRSIZE/4];
136 #define CROMSIZE 0x400
137           u_int32_t *config_rom;
138           struct crom_src_buf *crom_src_buf;
139           struct crom_src *crom_src;
140           struct crom_chunk *crom_root;
141           struct fw_topology_map *topology_map;
142           struct fw_speed_map *speed_map;
143           struct callout busprobe_callout;
144           struct callout bmr_callout;
145           struct callout timeout_callout;
146           struct callout retry_probe_callout;
147           u_int32_t (*cyctimer) (struct  firewire_comm *);
148           void (*ibr) (struct firewire_comm *);
149           u_int32_t (*set_bmr) (struct firewire_comm *, u_int32_t);
150           int (*ioctl) (struct dev_ioctl_args *);
151           int (*irx_enable) (struct firewire_comm *, int);
152           int (*irx_disable) (struct firewire_comm *, int);
153           int (*itx_enable) (struct firewire_comm *, int);
154           int (*itx_disable) (struct firewire_comm *, int);
155           void (*timeout) (void *);
156           void (*poll) (struct firewire_comm *, int, int);
157           void (*set_intr) (struct firewire_comm *, int);
158           void (*irx_post) (struct firewire_comm *, u_int32_t *);
159           void (*itx_post) (struct firewire_comm *, u_int32_t *);
160           struct tcode_info *tcode;
161           bus_dma_tag_t dmat;
162 };
163 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
164 
165 struct csrdir{
166           u_int32_t ongoaddr;
167           u_int32_t off;
168           SLIST_ENTRY(csrdir) link;
169 };
170 
171 struct fw_xferq {
172           int flag;
173 #define FWXFERQ_CHTAGMASK 0xff
174 #define FWXFERQ_RUNNING (1 << 8)
175 #define FWXFERQ_STREAM (1 << 9)
176 
177 #define FWXFERQ_BULK (1 << 11)
178 #define FWXFERQ_MODEMASK (7 << 10)
179 
180 #define FWXFERQ_EXTBUF (1 << 13)
181 #define FWXFERQ_OPEN (1 << 14)
182 
183 #define FWXFERQ_HANDLER (1 << 16)
184 #define FWXFERQ_WAKEUP (1 << 17)
185           void (*start) (struct firewire_comm*);
186           int dmach;
187           STAILQ_HEAD(, fw_xfer) q;
188           u_int queued;
189           u_int maxq;
190           u_int psize;
191           STAILQ_HEAD(, fw_bind) binds;
192           struct fwdma_alloc_multi *buf;
193           u_int bnchunk;
194           u_int bnpacket;
195           struct fw_bulkxfer *bulkxfer;
196           STAILQ_HEAD(, fw_bulkxfer) stvalid;
197           STAILQ_HEAD(, fw_bulkxfer) stfree;
198           STAILQ_HEAD(, fw_bulkxfer) stdma;
199           struct fw_bulkxfer *stproc;
200           struct kqinfo rkq;
201           caddr_t sc;
202           void (*hand) (struct fw_xferq *);
203 };
204 
205 struct fw_bulkxfer{
206           int poffset;
207           struct mbuf *mbuf;
208           STAILQ_ENTRY(fw_bulkxfer) link;
209           caddr_t start;
210           caddr_t end;
211           int resp;
212 };
213 
214 struct tlabel{
215           struct fw_xfer  *xfer;
216           STAILQ_ENTRY(tlabel) link;
217 };
218 
219 struct fw_bind{
220           u_int64_t start;
221           u_int64_t end;
222           STAILQ_HEAD(, fw_xfer) xferlist;
223           STAILQ_ENTRY(fw_bind) fclist;
224           STAILQ_ENTRY(fw_bind) chlist;
225 #define FWACT_NULL  0
226 #define FWACT_XFER  2
227 #define FWACT_CH    3
228           u_int8_t act_type;
229           u_int8_t sub;
230 };
231 
232 struct fw_xfer{
233           caddr_t sc;
234           struct firewire_comm *fc;
235           struct fw_xferq *q;
236           struct timeval tv;
237           int8_t resp;
238 #define FWXF_INIT 0
239 #define FWXF_INQ 1
240 #define FWXF_START 2
241 #define FWXF_SENT 3
242 #define FWXF_SENTERR 4
243 #define FWXF_BUSY 8
244 #define FWXF_RCVD 10
245           u_int8_t state;
246           u_int8_t retry;
247           u_int8_t tl;
248           void (*retry_req) (struct fw_xfer *);
249           union{
250                     void (*hand) (struct fw_xfer *);
251           } act;
252           struct {
253                     struct fw_pkt hdr;
254                     u_int32_t *payload;
255                     u_int16_t pay_len;
256                     u_int8_t spd;
257           } send, recv;
258           struct mbuf *mbuf;
259           STAILQ_ENTRY(fw_xfer) link;
260           struct malloc_type *malloc;
261 };
262 
263 struct fw_rcv_buf {
264           struct firewire_comm *fc;
265           struct fw_xfer *xfer;
266           struct iovec *vec;
267           u_int nvec;
268           u_int8_t spd;
269 };
270 
271 void fw_sidrcv (struct firewire_comm *, u_int32_t *, u_int);
272 void fw_rcv (struct fw_rcv_buf *);
273 void fw_xfer_unload ( struct fw_xfer*);
274 void fw_xfer_free_buf ( struct fw_xfer*);
275 void fw_xfer_free ( struct fw_xfer*);
276 struct fw_xfer *fw_xfer_alloc (struct malloc_type *);
277 struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int);
278 void fw_init (struct firewire_comm *);
279 int fw_tbuf_update (struct firewire_comm *, int, int);
280 int fw_rbuf_update (struct firewire_comm *, int, int);
281 void fw_asybusy (struct fw_xfer *);
282 int fw_bindadd (struct firewire_comm *, struct fw_bind *);
283 int fw_bindremove (struct firewire_comm *, struct fw_bind *);
284 int fw_asyreq (struct firewire_comm *, int, struct fw_xfer*);
285 void fw_busreset (struct firewire_comm *);
286 u_int16_t fw_crc16 (u_int32_t *, u_int32_t);
287 void fw_xfer_timeout (void *);
288 void fw_xfer_done (struct fw_xfer *);
289 void fw_asy_callback (struct fw_xfer *);
290 void fw_asy_callback_free (struct fw_xfer *);
291 struct fw_device *fw_noderesolve_nodeid (struct firewire_comm *, int);
292 struct fw_device *fw_noderesolve_eui64 (struct firewire_comm *, struct fw_eui64 *);
293 struct fw_bind *fw_bindlookup (struct firewire_comm *, u_int16_t, u_int32_t);
294 void fw_drain_txq (struct firewire_comm *);
295 int fwdev_makedev (struct firewire_softc *);
296 int fwdev_destroydev (struct firewire_softc *);
297 void fwdev_clone (void *, char *, int, cdev_t *);
298 
299 extern int firewire_debug;
300 extern devclass_t firewire_devclass;
301 
302 #define             FWPRI               PCATCH
303 
304 #define CALLOUT_INIT(x) callout_init(x)
305 
306 #ifdef MALLOC_DECLARE
307 MALLOC_DECLARE(M_FW);
308 MALLOC_DECLARE(M_FWXFER);
309 #endif
310