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 #ifdef __DragonFly__ 39 typedef d_thread_t fw_proc; 40 #include <sys/select.h> 41 #elif __FreeBSD_version >= 500000 42 typedef struct thread fw_proc; 43 #include <sys/selinfo.h> 44 #else 45 typedef struct proc fw_proc; 46 #include <sys/select.h> 47 #endif 48 49 #include <sys/uio.h> 50 #include <sys/mutex.h> 51 #include <sys/taskqueue.h> 52 53 #define splfw splimp 54 55 STAILQ_HEAD(fw_xferlist, fw_xfer); 56 57 struct fw_device{ 58 uint16_t dst; 59 struct fw_eui64 eui; 60 uint8_t speed; 61 uint8_t maxrec; 62 uint8_t nport; 63 uint8_t power; 64 #define CSRROMOFF 0x400 65 #define CSRROMSIZE 0x400 66 int rommax; /* offset from 0xffff f000 0000 */ 67 uint32_t csrrom[CSRROMSIZE/4]; 68 int rcnt; 69 struct firewire_comm *fc; 70 uint32_t status; 71 #define FWDEVINIT 1 72 #define FWDEVATTACHED 2 73 #define FWDEVINVAL 3 74 STAILQ_ENTRY(fw_device) link; 75 }; 76 77 struct firewire_softc { 78 struct cdev *dev; 79 struct firewire_comm *fc; 80 }; 81 82 #define FW_MAX_DMACH 0x20 83 #define FW_MAX_DEVCH FW_MAX_DMACH 84 #define FW_XFERTIMEOUT 1 85 86 struct firewire_dev_comm { 87 device_t dev; 88 struct firewire_comm *fc; 89 void (*post_busreset) (void *); 90 void (*post_explore) (void *); 91 }; 92 93 struct tcode_info { 94 u_char hdr_len; /* IEEE1394 header length */ 95 u_char flag; 96 #define FWTI_REQ (1 << 0) 97 #define FWTI_RES (1 << 1) 98 #define FWTI_TLABEL (1 << 2) 99 #define FWTI_BLOCK_STR (1 << 3) 100 #define FWTI_BLOCK_ASY (1 << 4) 101 u_char valid_res; 102 }; 103 104 struct firewire_comm{ 105 device_t dev; 106 device_t bdev; 107 uint16_t busid:10, 108 nodeid:6; 109 u_int mode; 110 u_int nport; 111 u_int speed; 112 u_int maxrec; 113 u_int irm; 114 u_int max_node; 115 u_int max_hop; 116 #define FWPHYASYST (1 << 0) 117 uint32_t status; 118 #define FWBUSDETACH (-2) 119 #define FWBUSNOTREADY (-1) 120 #define FWBUSRESET 0 121 #define FWBUSINIT 1 122 #define FWBUSCYMELECT 2 123 #define FWBUSMGRELECT 3 124 #define FWBUSMGRDONE 4 125 #define FWBUSEXPLORE 5 126 #define FWBUSPHYCONF 6 127 #define FWBUSEXPDONE 7 128 #define FWBUSCOMPLETION 10 129 int nisodma; 130 struct fw_eui64 eui; 131 struct fw_xferq 132 *arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH]; 133 struct fw_xferlist tlabels[0x40]; 134 u_char last_tlabel[0x40]; 135 struct mtx tlabel_lock; 136 STAILQ_HEAD(, fw_bind) binds; 137 STAILQ_HEAD(, fw_device) devices; 138 u_int sid_cnt; 139 #define CSRSIZE 0x4000 140 uint32_t csr_arc[CSRSIZE/4]; 141 #define CROMSIZE 0x400 142 uint32_t *config_rom; 143 struct crom_src_buf *crom_src_buf; 144 struct crom_src *crom_src; 145 struct crom_chunk *crom_root; 146 struct fw_topology_map *topology_map; 147 struct fw_speed_map *speed_map; 148 struct callout busprobe_callout; 149 struct callout bmr_callout; 150 struct callout timeout_callout; 151 struct task task_timeout; 152 uint32_t (*cyctimer) (struct firewire_comm *); 153 void (*ibr) (struct firewire_comm *); 154 uint32_t (*set_bmr) (struct firewire_comm *, uint32_t); 155 int (*ioctl) (struct cdev *, u_long, caddr_t, int, fw_proc *); 156 int (*irx_enable) (struct firewire_comm *, int); 157 int (*irx_disable) (struct firewire_comm *, int); 158 int (*itx_enable) (struct firewire_comm *, int); 159 int (*itx_disable) (struct firewire_comm *, int); 160 void (*timeout) (void *); 161 void (*poll) (struct firewire_comm *, int, int); 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 struct tcode_info *tcode; 166 bus_dma_tag_t dmat; 167 struct mtx mtx; 168 struct mtx wait_lock; 169 struct taskqueue *taskqueue; 170 struct proc *probe_thread; 171 }; 172 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4]) 173 174 #define FW_GMTX(fc) (&(fc)->mtx) 175 #define FW_GLOCK(fc) mtx_lock(FW_GMTX(fc)) 176 #define FW_GUNLOCK(fc) mtx_unlock(FW_GMTX(fc)) 177 #define FW_GLOCK_ASSERT(fc) mtx_assert(FW_GMTX(fc), MA_OWNED) 178 179 struct fw_xferq { 180 int flag; 181 #define FWXFERQ_CHTAGMASK 0xff 182 #define FWXFERQ_RUNNING (1 << 8) 183 #define FWXFERQ_STREAM (1 << 9) 184 185 #define FWXFERQ_BULK (1 << 11) 186 #define FWXFERQ_MODEMASK (7 << 10) 187 188 #define FWXFERQ_EXTBUF (1 << 13) 189 #define FWXFERQ_OPEN (1 << 14) 190 191 #define FWXFERQ_HANDLER (1 << 16) 192 #define FWXFERQ_WAKEUP (1 << 17) 193 void (*start) (struct firewire_comm*); 194 int dmach; 195 struct fw_xferlist q; 196 u_int queued; 197 u_int maxq; 198 u_int psize; 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) (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 fw_bind{ 222 u_int64_t start; 223 u_int64_t end; 224 struct fw_xferlist xferlist; 225 STAILQ_ENTRY(fw_bind) fclist; 226 STAILQ_ENTRY(fw_bind) chlist; 227 void *sc; 228 }; 229 230 struct fw_xfer{ 231 caddr_t sc; 232 struct firewire_comm *fc; 233 struct fw_xferq *q; 234 struct timeval tv; 235 int8_t resp; 236 #define FWXF_INIT 0x00 237 #define FWXF_INQ 0x01 238 #define FWXF_START 0x02 239 #define FWXF_SENT 0x04 240 #define FWXF_SENTERR 0x08 241 #define FWXF_BUSY 0x10 242 #define FWXF_RCVD 0x20 243 244 #define FWXF_WAKE 0x80 245 uint8_t flag; 246 int8_t tl; 247 void (*hand) (struct fw_xfer *); 248 struct { 249 struct fw_pkt hdr; 250 uint32_t *payload; 251 uint16_t pay_len; 252 uint8_t spd; 253 } send, recv; 254 struct mbuf *mbuf; 255 STAILQ_ENTRY(fw_xfer) link; 256 STAILQ_ENTRY(fw_xfer) tlabel; 257 struct malloc_type *malloc; 258 }; 259 260 struct fw_rcv_buf { 261 struct firewire_comm *fc; 262 struct fw_xfer *xfer; 263 struct iovec *vec; 264 u_int nvec; 265 uint8_t spd; 266 }; 267 268 void fw_sidrcv (struct firewire_comm *, uint32_t *, u_int); 269 void fw_rcv (struct fw_rcv_buf *); 270 void fw_xfer_unload ( struct fw_xfer*); 271 void fw_xfer_free_buf ( struct fw_xfer*); 272 void fw_xfer_free ( struct fw_xfer*); 273 struct fw_xfer *fw_xfer_alloc (struct malloc_type *); 274 struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int); 275 void fw_init (struct firewire_comm *); 276 int fw_tbuf_update (struct firewire_comm *, int, int); 277 int fw_rbuf_update (struct firewire_comm *, int, int); 278 int fw_bindadd (struct firewire_comm *, struct fw_bind *); 279 int fw_bindremove (struct firewire_comm *, struct fw_bind *); 280 int fw_xferlist_add (struct fw_xferlist *, struct malloc_type *, int, int, int, 281 struct firewire_comm *, void *, void (*)(struct fw_xfer *)); 282 void fw_xferlist_remove (struct fw_xferlist *); 283 int fw_asyreq (struct firewire_comm *, int, struct fw_xfer*); 284 void fw_busreset (struct firewire_comm *, uint32_t); 285 uint16_t fw_crc16 (uint32_t *, uint32_t); 286 void fw_xfer_timeout (void *); 287 void fw_xfer_done (struct fw_xfer *); 288 void fw_xferwake (struct fw_xfer *); 289 int fw_xferwait (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 *, uint16_t, uint32_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 *, struct ucred *, char *, int, struct cdev **); 298 int fw_open_isodma(struct firewire_comm *, int); 299 300 extern int firewire_debug; 301 extern devclass_t firewire_devclass; 302 extern int firewire_phydma_enable; 303 304 #define FWPRI ((PZERO+8)|PCATCH) 305 306 #define CALLOUT_INIT(x) callout_init(x, 1 /* mpsafe */) 307 308 MALLOC_DECLARE(M_FW); 309 MALLOC_DECLARE(M_FWXFER); 310