1 /* $NetBSD: firewirereg.h,v 1.20 2016/11/20 22:47:39 riastradh Exp $ */
2 /*-
3 * Copyright (c) 2003 Hidetoshi Shimokawa
4 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the acknowledgement as bellow:
17 *
18 * This product includes software developed by K. Kobayashi and H. Shimokawa
19 *
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 *
35 * $FreeBSD: src/sys/dev/firewire/firewirereg.h,v 1.50 2007/07/20 03:42:57 simokawa Exp $
36 *
37 */
38 #ifndef _FIREWIREREG_H_
39 #define _FIREWIREREG_H_
40
41 #include <sys/selinfo.h>
42 #include <sys/uio.h>
43
44 #define PROJECT_STR "The NetBSD Project"
45
46 STAILQ_HEAD(fw_xferlist, fw_xfer);
47
48 struct fw_device {
49 uint16_t dst;
50 struct fw_eui64 eui;
51 uint8_t speed;
52 uint8_t maxrec;
53 uint8_t nport;
54 uint8_t power;
55 #define CSRROMOFF 0x400
56 #define CSRROMSIZE 0x400
57 int rommax; /* offset from 0xffff f000 0000 */
58 uint32_t csrrom[CSRROMSIZE/4];
59 int rcnt;
60 struct firewire_comm *fc;
61 uint32_t status;
62 #define FWDEVNEW 0
63 #define FWDEVINIT 1
64 #define FWDEVATTACHED 2
65 #define FWDEVINVAL 3
66 STAILQ_ENTRY(fw_device) link;
67 device_t dev;
68 };
69
70 struct firewire_softc {
71 device_t dev;
72 SLIST_HEAD(, firewire_dev_list) devlist;
73 void *si_drv1;
74 struct firewire_comm *fc;
75 };
76
77 struct firewire_dev_list {
78 SLIST_ENTRY(firewire_dev_list) link;
79 device_t dev;
80 struct fw_device *fwdev;
81 };
82
83 #define FW_MAX_DMACH 0x20
84 #define FW_MAX_DEVCH FW_MAX_DMACH
85 #define FW_XFERTIMEOUT 1
86
87 struct firewire_dev_comm {
88 device_t dev;
89 struct firewire_comm *fc;
90 void (*post_busreset) (void *);
91 void (*post_explore) (void *);
92 };
93
94 struct tcode_info {
95 u_char hdr_len; /* IEEE1394 header length */
96 u_char flag;
97 #define FWTI_REQ (1 << 0)
98 #define FWTI_RES (1 << 1)
99 #define FWTI_TLABEL (1 << 2)
100 #define FWTI_BLOCK_STR (1 << 3)
101 #define FWTI_BLOCK_ASY (1 << 4)
102 u_char valid_res;
103 };
104
105 struct firewire_comm {
106 device_t dev;
107 device_t bdev;
108 uint16_t busid:10,
109 nodeid:6;
110 u_int mode;
111 u_int nport;
112 u_int speed;
113 u_int maxrec;
114 u_int irm;
115 u_int max_node;
116 u_int max_hop;
117 #define FWPHYASYST (1 << 0)
118 uint32_t status;
119 #define FWBUSDETACHOK (-3)
120 #define FWBUSDETACH (-2)
121 #define FWBUSNOTREADY (-1)
122 #define FWBUSRESET 0
123 #define FWBUSINIT 1
124 #define FWBUSCYMELECT 2
125 #define FWBUSMGRELECT 3
126 #define FWBUSMGRDONE 4
127 #define FWBUSEXPLORE 5
128 #define FWBUSPHYCONF 6
129 #define FWBUSEXPDONE 7
130 #define FWBUSCOMPLETION 10
131 int nisodma;
132 struct fw_eui64 eui;
133 struct fw_xferq
134 *arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
135 struct fw_xferlist tlabels[0x40];
136 u_char last_tlabel[0x40];
137 kmutex_t tlabel_lock;
138 STAILQ_HEAD(, fw_bind) binds;
139 STAILQ_HEAD(, fw_device) devices;
140 u_int sid_cnt;
141 #define CSRSIZE 0x4000
142 uint32_t csr_arc[CSRSIZE/4];
143 #define CROMSIZE 0x400
144 uint32_t *config_rom;
145 struct crom_src_buf *crom_src_buf;
146 struct crom_src *crom_src;
147 struct crom_chunk *crom_root;
148 struct fw_topology_map *topology_map;
149 struct fw_speed_map *speed_map;
150 struct callout busprobe_callout;
151 struct callout bmr_callout;
152 struct callout timeout_callout;
153 uint32_t (*cyctimer) (struct firewire_comm *);
154 void (*ibr) (struct firewire_comm *);
155 uint32_t (*set_bmr) (struct firewire_comm *, uint32_t);
156 int (*ioctl) (dev_t, u_long, void *, int, struct lwp *);
157 int (*irx_enable) (struct firewire_comm *, int);
158 int (*irx_disable) (struct firewire_comm *, int);
159 int (*itx_enable) (struct firewire_comm *, int);
160 int (*itx_disable) (struct firewire_comm *, int);
161 void (*timeout) (struct firewire_comm *);
162 void (*set_intr) (struct firewire_comm *, int);
163 void (*irx_post) (struct firewire_comm *, uint32_t *);
164 void (*itx_post) (struct firewire_comm *, uint32_t *);
165 const struct tcode_info *tcode;
166 bus_dma_tag_t dmat;
167 kmutex_t fc_mtx;
168 kmutex_t wait_lock;
169 kcondvar_t fc_cv;
170 struct lwp *probe_thread;
171 };
172 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
173
174
175 struct fw_xferq {
176 int flag;
177 #define FWXFERQ_CHTAGMASK 0xff
178 #define FWXFERQ_RUNNING (1 << 8)
179 #define FWXFERQ_STREAM (1 << 9)
180
181 #define FWXFERQ_BULK (1 << 11)
182 #define FWXFERQ_MODEMASK (7 << 10)
183
184 #define FWXFERQ_EXTBUF (1 << 13)
185 #define FWXFERQ_OPEN (1 << 14)
186
187 #define FWXFERQ_HANDLER (1 << 16)
188 #define FWXFERQ_WAKEUP (1 << 17)
189 void (*start) (struct firewire_comm*);
190 int dmach;
191 struct fw_xferlist q;
192 u_int queued;
193 u_int maxq;
194 u_int psize;
195 struct fwdma_alloc_multi *buf;
196 u_int bnchunk;
197 u_int bnpacket;
198 struct fw_bulkxfer *bulkxfer;
199 STAILQ_HEAD(, fw_bulkxfer) stvalid;
200 STAILQ_HEAD(, fw_bulkxfer) stfree;
201 STAILQ_HEAD(, fw_bulkxfer) stdma;
202 struct fw_bulkxfer *stproc;
203 kcondvar_t cv;
204 struct selinfo rsel;
205 void *sc;
206 void (*hand) (struct fw_xferq *);
207 kmutex_t q_mtx;
208 };
209
210 #define FW_GMTX(fc) (&(fc)->fc_mtx)
211 #define FW_GLOCK(fc) fw_mtx_lock(FW_GMTX(fc))
212 #define FW_GUNLOCK(fc) fw_mtx_unlock(FW_GMTX(fc))
213 #define FW_GLOCK_ASSERT(fc) fw_mtx_assert(FW_GMTX(fc), MA_OWNED)
214
215 struct fw_bulkxfer {
216 int poffset;
217 struct mbuf *mbuf;
218 STAILQ_ENTRY(fw_bulkxfer) link;
219 void *start;
220 void *end;
221 int resp;
222 };
223
224 struct fw_bind {
225 u_int64_t start;
226 u_int64_t end;
227 struct fw_xferlist xferlist;
228 STAILQ_ENTRY(fw_bind) fclist;
229 STAILQ_ENTRY(fw_bind) chlist;
230 void *sc;
231 kmutex_t fwb_mtx;
232 };
233
234 struct fw_xfer {
235 void *sc;
236 struct firewire_comm *fc;
237 struct fw_xferq *q;
238 struct timeval tv;
239 int8_t resp;
240 #define FWXF_INIT 0x00
241 #define FWXF_INQ 0x01
242 #define FWXF_START 0x02
243 #define FWXF_SENT 0x04
244 #define FWXF_SENTERR 0x08
245 #define FWXF_BUSY 0x10
246 #define FWXF_RCVD 0x20
247
248 #define FWXF_WAKE 0x80
249 uint8_t flag;
250 int8_t tl;
251 void (*hand) (struct fw_xfer *);
252 struct {
253 struct fw_pkt hdr;
254 uint32_t *payload;
255 uint16_t pay_len;
256 uint8_t spd;
257 } send, recv;
258 struct mbuf *mbuf;
259 STAILQ_ENTRY(fw_xfer) link;
260 STAILQ_ENTRY(fw_xfer) tlabel;
261 struct malloc_type *malloc;
262 kcondvar_t cv;
263 };
264
265 struct fw_rcv_buf {
266 struct firewire_comm *fc;
267 struct fw_xfer *xfer;
268 struct iovec *vec;
269 u_int nvec;
270 uint8_t spd;
271 };
272
273 int fw_tbuf_update (struct firewire_comm *, int, int);
274 int fw_rbuf_update (struct firewire_comm *, int, int);
275 int fwdev_makedev (struct firewire_softc *);
276 int fwdev_destroydev (struct firewire_softc *);
277
278 struct fw_device *fw_noderesolve_nodeid(struct firewire_comm *, int);
279 struct fw_device *fw_noderesolve_eui64(struct firewire_comm *,
280 struct fw_eui64 *);
281 int fw_asyreq(struct firewire_comm *, int, struct fw_xfer*);
282 void fw_xferwake(struct fw_xfer *);
283 int fw_xferwait(struct fw_xfer *);
284 void fw_drain_txq(struct firewire_comm *);
285 void fw_busreset(struct firewire_comm *, uint32_t);
286 void fw_init(struct firewire_comm *);
287 void fw_init_isodma(struct firewire_comm *);
288 void fw_destroy_isodma(struct firewire_comm *);
289 void fw_destroy(struct firewire_comm *);
290 struct fw_bind *fw_bindlookup(struct firewire_comm *, uint16_t, uint32_t);
291 int fw_bindadd(struct firewire_comm *, struct fw_bind *);
292 int fw_bindremove(struct firewire_comm *, struct fw_bind *);
293 int fw_xferlist_add(struct fw_xferlist *, struct malloc_type *, int, int, int,
294 struct firewire_comm *, void *, void (*)(struct fw_xfer *));
295 void fw_xferlist_remove(struct fw_xferlist *);
296 struct fw_xfer *fw_xfer_alloc(struct malloc_type *);
297 struct fw_xfer *fw_xfer_alloc_buf(struct malloc_type *, int, int);
298 void fw_xfer_done(struct fw_xfer *);
299 void fw_xfer_unload(struct fw_xfer*);
300 void fw_xfer_free(struct fw_xfer*);
301 void fw_xfer_free_buf(struct fw_xfer*);
302 void fw_asy_callback_free(struct fw_xfer *);
303 void fw_sidrcv(struct firewire_comm *, uint32_t *, u_int);
304 void fw_rcv(struct fw_rcv_buf *);
305 uint16_t fw_crc16(uint32_t *, uint32_t);
306 int fw_open_isodma(struct firewire_comm *, int);
307
308 extern int firewire_debug;
309 extern int firewire_phydma_enable;
310
311 #define FWPRI ((PZERO+8)|PCATCH)
312
313 /* compatibility shim for 4.X */
314 #define bio buf
315 #define bio_bcount b_bcount
316 #define bio_cmd b_flags
317 #define bio_count b_count
318 #define bio_data b_data
319 #define bio_dev b_dev
320 #define bio_error b_error
321 #define bio_flags b_flags
322 #define bio_offset b_blkno
323 #define bio_resid b_resid
324 #define BIO_READ B_READ
325 #define BIO_WRITE B_WRITE
326
327 #include <sys/mallocvar.h>
328
329 MALLOC_DECLARE(M_FW);
330
331 #endif /* _FIREWIREREG_H_ */
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