2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 2003 Hidetoshi Shimokawa
5 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the acknowledgement as bellow:
19 * This product includes software developed by K. Kobayashi and H. Shimokawa
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
40 typedef struct thread fw_proc;
41 #include <sys/selinfo.h>
44 #include <sys/mutex.h>
45 #include <sys/taskqueue.h>
49 STAILQ_HEAD(fw_xferlist, fw_xfer);
58 #define CSRROMOFF 0x400
59 #define CSRROMSIZE 0x400
60 int rommax; /* offset from 0xffff f000 0000 */
61 uint32_t csrrom[CSRROMSIZE / 4];
63 struct firewire_comm *fc;
66 #define FWDEVATTACHED 2
68 STAILQ_ENTRY(fw_device) link;
71 struct firewire_softc {
73 struct firewire_comm *fc;
76 #define FW_MAX_DMACH 0x20
77 #define FW_MAX_DEVCH FW_MAX_DMACH
78 #define FW_XFERTIMEOUT 1
80 struct firewire_dev_comm {
82 struct firewire_comm *fc;
83 void (*post_busreset) (void *);
84 void (*post_explore) (void *);
88 u_char hdr_len; /* IEEE1394 header length */
90 #define FWTI_REQ (1 << 0)
91 #define FWTI_RES (1 << 1)
92 #define FWTI_TLABEL (1 << 2)
93 #define FWTI_BLOCK_STR (1 << 3)
94 #define FWTI_BLOCK_ASY (1 << 4)
98 struct firewire_comm {
110 #define FWPHYASYST (1 << 0)
112 #define FWBUSDETACH (-2)
113 #define FWBUSNOTREADY (-1)
116 #define FWBUSCYMELECT 2
117 #define FWBUSMGRELECT 3
118 #define FWBUSMGRDONE 4
119 #define FWBUSEXPLORE 5
120 #define FWBUSPHYCONF 6
121 #define FWBUSEXPDONE 7
122 #define FWBUSCOMPLETION 10
126 *arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
127 struct fw_xferlist tlabels[0x40];
128 u_char last_tlabel[0x40];
129 struct mtx tlabel_lock;
130 STAILQ_HEAD(, fw_bind) binds;
131 STAILQ_HEAD(, fw_device) devices;
133 #define CSRSIZE 0x4000
134 uint32_t csr_arc[CSRSIZE / 4];
135 #define CROMSIZE 0x400
136 uint32_t *config_rom;
137 struct crom_src_buf *crom_src_buf;
138 struct crom_src *crom_src;
139 struct crom_chunk *crom_root;
140 struct fw_topology_map *topology_map;
141 struct fw_speed_map *speed_map;
142 struct callout busprobe_callout;
143 struct callout bmr_callout;
144 struct callout timeout_callout;
145 struct task task_timeout;
146 uint32_t (*cyctimer) (struct firewire_comm *);
147 void (*ibr) (struct firewire_comm *);
148 uint32_t (*set_bmr) (struct firewire_comm *, uint32_t);
149 int (*ioctl) (struct cdev *, u_long, caddr_t, int, fw_proc *);
150 int (*irx_enable) (struct firewire_comm *, int);
151 int (*irx_disable) (struct firewire_comm *, int);
152 int (*itx_enable) (struct firewire_comm *, int);
153 int (*itx_disable) (struct firewire_comm *, int);
154 void (*timeout) (void *);
155 void (*poll) (struct firewire_comm *, int, int);
156 void (*set_intr) (struct firewire_comm *, int);
157 void (*irx_post) (struct firewire_comm *, uint32_t *);
158 void (*itx_post) (struct firewire_comm *, uint32_t *);
159 struct tcode_info *tcode;
162 struct mtx wait_lock;
163 struct taskqueue *taskqueue;
164 struct proc *probe_thread;
166 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset) / 4])
168 #define FW_GMTX(fc) (&(fc)->mtx)
169 #define FW_GLOCK(fc) mtx_lock(FW_GMTX(fc))
170 #define FW_GUNLOCK(fc) mtx_unlock(FW_GMTX(fc))
171 #define FW_GLOCK_ASSERT(fc) mtx_assert(FW_GMTX(fc), MA_OWNED)
175 #define FWXFERQ_CHTAGMASK 0xff
176 #define FWXFERQ_RUNNING (1 << 8)
177 #define FWXFERQ_STREAM (1 << 9)
179 #define FWXFERQ_BULK (1 << 11)
180 #define FWXFERQ_MODEMASK (7 << 10)
182 #define FWXFERQ_EXTBUF (1 << 13)
183 #define FWXFERQ_OPEN (1 << 14)
185 #define FWXFERQ_HANDLER (1 << 16)
186 #define FWXFERQ_WAKEUP (1 << 17)
187 void (*start) (struct firewire_comm *);
189 struct fw_xferlist q;
193 struct fwdma_alloc_multi *buf;
196 struct fw_bulkxfer *bulkxfer;
197 STAILQ_HEAD(, fw_bulkxfer) stvalid;
198 STAILQ_HEAD(, fw_bulkxfer) stfree;
199 STAILQ_HEAD(, fw_bulkxfer) stdma;
200 struct fw_bulkxfer *stproc;
203 void (*hand) (struct fw_xferq *);
209 STAILQ_ENTRY(fw_bulkxfer) link;
218 struct fw_xferlist xferlist;
219 STAILQ_ENTRY(fw_bind) fclist;
220 STAILQ_ENTRY(fw_bind) chlist;
226 struct firewire_comm *fc;
230 #define FWXF_INIT 0x00
231 #define FWXF_INQ 0x01
232 #define FWXF_START 0x02
233 #define FWXF_SENT 0x04
234 #define FWXF_SENTERR 0x08
235 #define FWXF_BUSY 0x10
236 #define FWXF_RCVD 0x20
238 #define FWXF_WAKE 0x80
241 void (*hand) (struct fw_xfer *);
249 STAILQ_ENTRY(fw_xfer) link;
250 STAILQ_ENTRY(fw_xfer) tlabel;
251 struct malloc_type *malloc;
255 struct firewire_comm *fc;
256 struct fw_xfer *xfer;
262 void fw_sidrcv (struct firewire_comm *, uint32_t *, u_int);
263 void fw_rcv (struct fw_rcv_buf *);
264 void fw_xfer_unload (struct fw_xfer *);
265 void fw_xfer_free_buf (struct fw_xfer *);
266 void fw_xfer_free (struct fw_xfer*);
267 struct fw_xfer *fw_xfer_alloc (struct malloc_type *);
268 struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int);
269 void fw_init (struct firewire_comm *);
270 int fw_tbuf_update (struct firewire_comm *, int, int);
271 int fw_rbuf_update (struct firewire_comm *, int, int);
272 int fw_bindadd (struct firewire_comm *, struct fw_bind *);
273 int fw_bindremove (struct firewire_comm *, struct fw_bind *);
274 int fw_xferlist_add (struct fw_xferlist *, struct malloc_type *, int, int, int,
275 struct firewire_comm *, void *, void (*)(struct fw_xfer *));
276 void fw_xferlist_remove (struct fw_xferlist *);
277 int fw_asyreq (struct firewire_comm *, int, struct fw_xfer *);
278 void fw_busreset (struct firewire_comm *, uint32_t);
279 uint16_t fw_crc16 (uint32_t *, uint32_t);
280 void fw_xfer_timeout (void *);
281 void fw_xfer_done (struct fw_xfer *);
282 void fw_xferwake (struct fw_xfer *);
283 int fw_xferwait (struct fw_xfer *);
284 void fw_asy_callback_free (struct fw_xfer *);
285 struct fw_device *fw_noderesolve_nodeid (struct firewire_comm *, int);
286 struct fw_device *fw_noderesolve_eui64 (struct firewire_comm *, struct fw_eui64 *);
287 struct fw_bind *fw_bindlookup (struct firewire_comm *, uint16_t, uint32_t);
288 void fw_drain_txq (struct firewire_comm *);
289 int fwdev_makedev (struct firewire_softc *);
290 int fwdev_destroydev (struct firewire_softc *);
291 void fwdev_clone (void *, struct ucred *, char *, int, struct cdev **);
292 int fw_open_isodma(struct firewire_comm *, int);
294 extern int firewire_debug;
295 extern devclass_t firewire_devclass;
296 extern int firewire_phydma_enable;
298 #define FWPRI ((PZERO + 8) | PCATCH)
300 #define CALLOUT_INIT(x) callout_init(x, 1 /* mpsafe */)
302 MALLOC_DECLARE(M_FW);
303 MALLOC_DECLARE(M_FWXFER);