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 * $FreeBSD$ 35 * 36 */ 37 38 #if __FreeBSD_version >= 500000 39 typedef struct thread fw_proc; 40 #include <sys/selinfo.h> 41 #else 42 typedef struct proc fw_proc; 43 #include <sys/select.h> 44 #endif 45 46 #include <sys/uio.h> 47 48 #define splfw splimp 49 50 struct fw_device{ 51 u_int16_t dst; 52 struct fw_eui64 eui; 53 u_int8_t speed; 54 u_int8_t maxrec; 55 u_int8_t nport; 56 u_int8_t power; 57 #define CSRROMOFF 0x400 58 #define CSRROMSIZE 0x400 59 int rommax; /* offset from 0xffff f000 0000 */ 60 u_int32_t csrrom[CSRROMSIZE/4]; 61 int rcnt; 62 struct firewire_comm *fc; 63 u_int32_t status; 64 #define FWDEVINIT 1 65 #define FWDEVATTACHED 2 66 #define FWDEVINVAL 3 67 STAILQ_ENTRY(fw_device) link; 68 }; 69 70 struct firewire_softc { 71 #if __FreeBSD_version >= 500000 72 dev_t dev; 73 #endif 74 struct firewire_comm *fc; 75 }; 76 77 #define FW_MAX_DMACH 0x20 78 #define FW_MAX_DEVCH FW_MAX_DMACH 79 #define FW_XFERTIMEOUT 1 80 81 struct firewire_dev_comm { 82 device_t dev; 83 struct firewire_comm *fc; 84 void (*post_busreset) __P((void *)); 85 void (*post_explore) __P((void *)); 86 }; 87 88 struct tcode_info { 89 u_char hdr_len; /* IEEE1394 header length */ 90 u_char flag; 91 #define FWTI_REQ (1 << 0) 92 #define FWTI_RES (1 << 1) 93 #define FWTI_TLABEL (1 << 2) 94 #define FWTI_BLOCK_STR (1 << 3) 95 #define FWTI_BLOCK_ASY (1 << 4) 96 }; 97 98 struct firewire_comm{ 99 device_t dev; 100 device_t bdev; 101 u_int16_t busid:10, 102 nodeid:6; 103 u_int mode; 104 u_int nport; 105 u_int speed; 106 u_int maxrec; 107 u_int irm; 108 u_int max_node; 109 u_int max_hop; 110 u_int max_asyretry; 111 #define FWPHYASYST (1 << 0) 112 u_int retry_count; 113 u_int32_t ongobus:10, 114 ongonode:6, 115 ongoaddr:16; 116 struct fw_device *ongodev; 117 struct fw_eui64 ongoeui; 118 #define FWMAXCSRDIR 16 119 SLIST_HEAD(, csrdir) ongocsr; 120 SLIST_HEAD(, csrdir) csrfree; 121 u_int32_t status; 122 #define FWBUSNOTREADY (-1) 123 #define FWBUSRESET 0 124 #define FWBUSINIT 1 125 #define FWBUSCYMELECT 2 126 #define FWBUSMGRELECT 3 127 #define FWBUSMGRDONE 4 128 #define FWBUSEXPLORE 5 129 #define FWBUSPHYCONF 6 130 #define FWBUSEXPDONE 7 131 #define FWBUSCOMPLETION 10 132 int nisodma; 133 struct fw_eui64 eui; 134 struct fw_xferq 135 *arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH]; 136 STAILQ_HEAD(, tlabel) tlabels[0x40]; 137 STAILQ_HEAD(, fw_bind) binds; 138 STAILQ_HEAD(, fw_device) devices; 139 STAILQ_HEAD(, fw_xfer) pending; 140 u_int sid_cnt; 141 #define CSRSIZE 0x4000 142 u_int32_t csr_arc[CSRSIZE/4]; 143 #define CROMSIZE 0x400 144 u_int32_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 struct callout retry_probe_callout; 154 u_int32_t (*cyctimer) __P((struct firewire_comm *)); 155 void (*ibr) __P((struct firewire_comm *)); 156 u_int32_t (*set_bmr) __P((struct firewire_comm *, u_int32_t)); 157 int (*ioctl) __P((dev_t, u_long, caddr_t, int, fw_proc *)); 158 int (*irx_enable) __P((struct firewire_comm *, int)); 159 int (*irx_disable) __P((struct firewire_comm *, int)); 160 int (*itx_enable) __P((struct firewire_comm *, int)); 161 int (*itx_disable) __P((struct firewire_comm *, int)); 162 void (*timeout) __P((void *)); 163 void (*poll) __P((struct firewire_comm *, int, int)); 164 void (*set_intr) __P((struct firewire_comm *, int)); 165 void (*irx_post) __P((struct firewire_comm *, u_int32_t *)); 166 void (*itx_post) __P((struct firewire_comm *, u_int32_t *)); 167 struct tcode_info *tcode; 168 bus_dma_tag_t dmat; 169 }; 170 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4]) 171 172 struct csrdir{ 173 u_int32_t ongoaddr; 174 u_int32_t off; 175 SLIST_ENTRY(csrdir) link; 176 }; 177 178 struct fw_xferq { 179 int flag; 180 #define FWXFERQ_CHTAGMASK 0xff 181 #define FWXFERQ_RUNNING (1 << 8) 182 #define FWXFERQ_STREAM (1 << 9) 183 184 #define FWXFERQ_BULK (1 << 11) 185 #define FWXFERQ_MODEMASK (7 << 10) 186 187 #define FWXFERQ_EXTBUF (1 << 13) 188 #define FWXFERQ_OPEN (1 << 14) 189 190 #define FWXFERQ_HANDLER (1 << 16) 191 #define FWXFERQ_WAKEUP (1 << 17) 192 void (*start) __P((struct firewire_comm*)); 193 int dmach; 194 STAILQ_HEAD(, fw_xfer) q; 195 u_int queued; 196 u_int maxq; 197 u_int psize; 198 STAILQ_HEAD(, fw_bind) binds; 199 struct fwdma_alloc_multi *buf; 200 u_int bnchunk; 201 u_int bnpacket; 202 struct fw_bulkxfer *bulkxfer; 203 STAILQ_HEAD(, fw_bulkxfer) stvalid; 204 STAILQ_HEAD(, fw_bulkxfer) stfree; 205 STAILQ_HEAD(, fw_bulkxfer) stdma; 206 struct fw_bulkxfer *stproc; 207 struct selinfo rsel; 208 caddr_t sc; 209 void (*hand) __P((struct fw_xferq *)); 210 }; 211 212 struct fw_bulkxfer{ 213 int poffset; 214 struct mbuf *mbuf; 215 STAILQ_ENTRY(fw_bulkxfer) link; 216 caddr_t start; 217 caddr_t end; 218 int resp; 219 }; 220 221 struct tlabel{ 222 struct fw_xfer *xfer; 223 STAILQ_ENTRY(tlabel) link; 224 }; 225 226 struct fw_bind{ 227 u_int64_t start; 228 u_int64_t end; 229 STAILQ_HEAD(, fw_xfer) xferlist; 230 STAILQ_ENTRY(fw_bind) fclist; 231 STAILQ_ENTRY(fw_bind) chlist; 232 #define FWACT_NULL 0 233 #define FWACT_XFER 2 234 #define FWACT_CH 3 235 u_int8_t act_type; 236 u_int8_t sub; 237 }; 238 239 struct fw_xfer{ 240 caddr_t sc; 241 struct firewire_comm *fc; 242 struct fw_xferq *q; 243 struct timeval tv; 244 int8_t resp; 245 #define FWXF_INIT 0 246 #define FWXF_INQ 1 247 #define FWXF_START 2 248 #define FWXF_SENT 3 249 #define FWXF_SENTERR 4 250 #define FWXF_BUSY 8 251 #define FWXF_RCVD 10 252 u_int8_t state; 253 u_int8_t retry; 254 u_int8_t tl; 255 void (*retry_req) __P((struct fw_xfer *)); 256 union{ 257 void (*hand) __P((struct fw_xfer *)); 258 } act; 259 struct { 260 struct fw_pkt hdr; 261 u_int32_t *payload; 262 u_int16_t pay_len; 263 u_int8_t spd; 264 } send, recv; 265 struct mbuf *mbuf; 266 STAILQ_ENTRY(fw_xfer) link; 267 struct malloc_type *malloc; 268 }; 269 270 struct fw_rcv_buf { 271 struct firewire_comm *fc; 272 struct fw_xfer *xfer; 273 struct iovec *vec; 274 u_int nvec; 275 u_int8_t spd; 276 }; 277 278 void fw_sidrcv __P((struct firewire_comm *, u_int32_t *, u_int)); 279 void fw_rcv __P((struct fw_rcv_buf *)); 280 void fw_xfer_unload __P(( struct fw_xfer*)); 281 void fw_xfer_free_buf __P(( struct fw_xfer*)); 282 void fw_xfer_free __P(( struct fw_xfer*)); 283 struct fw_xfer *fw_xfer_alloc __P((struct malloc_type *)); 284 struct fw_xfer *fw_xfer_alloc_buf __P((struct malloc_type *, int, int)); 285 void fw_init __P((struct firewire_comm *)); 286 int fw_tbuf_update __P((struct firewire_comm *, int, int)); 287 int fw_rbuf_update __P((struct firewire_comm *, int, int)); 288 void fw_asybusy __P((struct fw_xfer *)); 289 int fw_bindadd __P((struct firewire_comm *, struct fw_bind *)); 290 int fw_bindremove __P((struct firewire_comm *, struct fw_bind *)); 291 int fw_asyreq __P((struct firewire_comm *, int, struct fw_xfer*)); 292 void fw_busreset __P((struct firewire_comm *)); 293 u_int16_t fw_crc16 __P((u_int32_t *, u_int32_t)); 294 void fw_xfer_timeout __P((void *)); 295 void fw_xfer_done __P((struct fw_xfer *)); 296 void fw_asy_callback __P((struct fw_xfer *)); 297 void fw_asy_callback_free __P((struct fw_xfer *)); 298 struct fw_device *fw_noderesolve_nodeid __P((struct firewire_comm *, int)); 299 struct fw_device *fw_noderesolve_eui64 __P((struct firewire_comm *, struct fw_eui64 *)); 300 struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int16_t, u_int32_t)); 301 void fw_drain_txq __P((struct firewire_comm *)); 302 int fwdev_makedev __P((struct firewire_softc *)); 303 int fwdev_destroydev __P((struct firewire_softc *)); 304 void fwdev_clone __P((void *, char *, int, dev_t *)); 305 306 extern int firewire_debug; 307 extern devclass_t firewire_devclass; 308 309 #define FWPRI ((PZERO+8)|PCATCH) 310 311 #if __FreeBSD_version >= 500000 312 #define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */) 313 #else 314 #define CALLOUT_INIT(x) callout_init(x) 315 #endif 316 317 #if __FreeBSD_version < 500000 318 /* compatibility shim for 4.X */ 319 #define bio buf 320 #define bio_bcount b_bcount 321 #define bio_cmd b_flags 322 #define bio_count b_count 323 #define bio_data b_data 324 #define bio_dev b_dev 325 #define bio_error b_error 326 #define bio_flags b_flags 327 #define bio_offset b_offset 328 #define bio_resid b_resid 329 #define BIO_ERROR B_ERROR 330 #define BIO_READ B_READ 331 #define BIO_WRITE B_WRITE 332 #define MIN(a,b) (((a)<(b))?(a):(b)) 333 #endif 334 335 MALLOC_DECLARE(M_FW); 336 MALLOC_DECLARE(M_FWXFER); 337