xref: /dragonfly/sys/bus/firewire/firewirereg.h (revision e6d22e9b)
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