sys/bus/firewire/firewirereg.h

   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  * $DragonFly: src/sys/bus/firewire/firewirereg.h,v 1.12 2006/09/10 01:26:32 dillon Exp $
  36  *
  37  */
  38
  39 #ifdef __DragonFly__
  40 typedef struct thread fw_proc;
  41 #elif __FreeBSD_version >= 500000
  42 typedef struct thread fw_proc;
  43 #else
  44 typedef struct proc fw_proc;
  45 #endif
  46
  47 #include <sys/selinfo.h>
  48 #include <sys/uio.h>
  49
  50 struct dev_ioctl_args;
  51
  52 struct fw_device{
  53         u_int16_t dst;
  54         struct fw_eui64 eui;
  55         u_int8_t speed;
  56         u_int8_t maxrec;
  57         u_int8_t nport;
  58         u_int8_t power;
  59 #define CSRROMOFF 0x400
  60 #define CSRROMSIZE 0x400
  61         int rommax;     /* offset from 0xffff f000 0000 */
  62         u_int32_t csrrom[CSRROMSIZE/4];
  63         int rcnt;
  64         struct firewire_comm *fc;
  65         u_int32_t status;
  66 #define FWDEVINIT       1
  67 #define FWDEVATTACHED   2
  68 #define FWDEVINVAL      3
  69         STAILQ_ENTRY(fw_device) link;
  70 };
  71
  72 struct firewire_softc {
  73 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
  74         cdev_t dev;
  75 #endif
  76         struct firewire_comm *fc;
  77 };
  78
  79 #define FW_MAX_DMACH 0x20
  80 #define FW_MAX_DEVCH FW_MAX_DMACH
  81 #define FW_XFERTIMEOUT 1
  82
  83 struct firewire_dev_comm {
  84         device_t dev;
  85         struct firewire_comm *fc;
  86         void (*post_busreset) (void *);
  87         void (*post_explore) (void *);
  88 };
  89
  90 struct tcode_info {
  91         u_char hdr_len; /* IEEE1394 header length */
  92         u_char flag;
  93 #define FWTI_REQ        (1 << 0)
  94 #define FWTI_RES        (1 << 1)
  95 #define FWTI_TLABEL     (1 << 2)
  96 #define FWTI_BLOCK_STR  (1 << 3)
  97 #define FWTI_BLOCK_ASY  (1 << 4)
  98 };
  99
 100 struct firewire_comm{
 101         device_t dev;
 102         device_t bdev;
 103         u_int16_t busid:10,
 104                   nodeid:6;
 105         u_int mode;
 106         u_int nport;
 107         u_int speed;
 108         u_int maxrec;
 109         u_int irm;
 110         u_int max_node;
 111         u_int max_hop;
 112         u_int max_asyretry;
 113 #define FWPHYASYST (1 << 0)
 114         u_int retry_count;
 115         u_int32_t ongobus:10,
 116                   ongonode:6,
 117                   ongoaddr:16;
 118         struct fw_device *ongodev;
 119         struct fw_eui64 ongoeui;
 120 #define FWMAXCSRDIR     16
 121         SLIST_HEAD(, csrdir) ongocsr;
 122         SLIST_HEAD(, csrdir) csrfree;
 123         u_int32_t status;
 124 #define FWBUSNOTREADY   (-1)
 125 #define FWBUSRESET      0
 126 #define FWBUSINIT       1
 127 #define FWBUSCYMELECT   2
 128 #define FWBUSMGRELECT   3
 129 #define FWBUSMGRDONE    4
 130 #define FWBUSEXPLORE    5
 131 #define FWBUSPHYCONF    6
 132 #define FWBUSEXPDONE    7
 133 #define FWBUSCOMPLETION 10
 134         int nisodma;
 135         struct fw_eui64 eui;
 136         struct fw_xferq
 137                 *arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
 138         STAILQ_HEAD(, tlabel) tlabels[0x40];
 139         STAILQ_HEAD(, fw_bind) binds;
 140         STAILQ_HEAD(, fw_device) devices;
 141         u_int  sid_cnt;
 142 #define CSRSIZE 0x4000
 143         u_int32_t csr_arc[CSRSIZE/4];
 144 #define CROMSIZE 0x400
 145         u_int32_t *config_rom;
 146         struct crom_src_buf *crom_src_buf;
 147         struct crom_src *crom_src;
 148         struct crom_chunk *crom_root;
 149         struct fw_topology_map *topology_map;
 150         struct fw_speed_map *speed_map;
 151         struct callout busprobe_callout;
 152         struct callout bmr_callout;
 153         struct callout timeout_callout;
 154         struct callout retry_probe_callout;
 155         u_int32_t (*cyctimer) (struct  firewire_comm *);
 156         void (*ibr) (struct firewire_comm *);
 157         u_int32_t (*set_bmr) (struct firewire_comm *, u_int32_t);
 158         int (*ioctl) (struct dev_ioctl_args *);
 159         int (*irx_enable) (struct firewire_comm *, int);
 160         int (*irx_disable) (struct firewire_comm *, int);
 161         int (*itx_enable) (struct firewire_comm *, int);
 162         int (*itx_disable) (struct firewire_comm *, int);
 163         void (*timeout) (void *);
 164         void (*poll) (struct firewire_comm *, int, int);
 165         void (*set_intr) (struct firewire_comm *, int);
 166         void (*irx_post) (struct firewire_comm *, u_int32_t *);
 167         void (*itx_post) (struct firewire_comm *, u_int32_t *);
 168         struct tcode_info *tcode;
 169         bus_dma_tag_t dmat;
 170 };
 171 #define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
 172
 173 struct csrdir{
 174         u_int32_t ongoaddr;
 175         u_int32_t off;
 176         SLIST_ENTRY(csrdir) link;
 177 };
 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         STAILQ_HEAD(, fw_xfer) q;
 196         u_int queued;
 197         u_int maxq;
 198         u_int psize;
 199         STAILQ_HEAD(, fw_bind) binds;
 200         struct fwdma_alloc_multi *buf;
 201         u_int bnchunk;
 202         u_int bnpacket;
 203         struct fw_bulkxfer *bulkxfer;
 204         STAILQ_HEAD(, fw_bulkxfer) stvalid;
 205         STAILQ_HEAD(, fw_bulkxfer) stfree;
 206         STAILQ_HEAD(, fw_bulkxfer) stdma;
 207         struct fw_bulkxfer *stproc;
 208         struct selinfo rsel;
 209         caddr_t sc;
 210         void (*hand) (struct fw_xferq *);
 211 };
 212
 213 struct fw_bulkxfer{
 214         int poffset;
 215         struct mbuf *mbuf;
 216         STAILQ_ENTRY(fw_bulkxfer) link;
 217         caddr_t start;
 218         caddr_t end;
 219         int resp;
 220 };
 221
 222 struct tlabel{
 223         struct fw_xfer  *xfer;
 224         STAILQ_ENTRY(tlabel) link;
 225 };
 226
 227 struct fw_bind{
 228         u_int64_t start;
 229         u_int64_t end;
 230         STAILQ_HEAD(, fw_xfer) xferlist;
 231         STAILQ_ENTRY(fw_bind) fclist;
 232         STAILQ_ENTRY(fw_bind) chlist;
 233 #define FWACT_NULL      0
 234 #define FWACT_XFER      2
 235 #define FWACT_CH        3
 236         u_int8_t act_type;
 237         u_int8_t sub;
 238 };
 239
 240 struct fw_xfer{
 241         caddr_t sc;
 242         struct firewire_comm *fc;
 243         struct fw_xferq *q;
 244         struct timeval tv;
 245         int8_t resp;
 246 #define FWXF_INIT 0
 247 #define FWXF_INQ 1
 248 #define FWXF_START 2
 249 #define FWXF_SENT 3
 250 #define FWXF_SENTERR 4
 251 #define FWXF_BUSY 8
 252 #define FWXF_RCVD 10
 253         u_int8_t state;
 254         u_int8_t retry;
 255         u_int8_t tl;
 256         void (*retry_req) (struct fw_xfer *);
 257         union{
 258                 void (*hand) (struct fw_xfer *);
 259         } act;
 260         struct {
 261                 struct fw_pkt hdr;
 262                 u_int32_t *payload;
 263                 u_int16_t pay_len;
 264                 u_int8_t spd;
 265         } send, recv;
 266         struct mbuf *mbuf;
 267         STAILQ_ENTRY(fw_xfer) link;
 268         struct malloc_type *malloc;
 269 };
 270
 271 struct fw_rcv_buf {
 272         struct firewire_comm *fc;
 273         struct fw_xfer *xfer;
 274         struct iovec *vec;
 275         u_int nvec;
 276         u_int8_t spd;
 277 };
 278
 279 void fw_sidrcv (struct firewire_comm *, u_int32_t *, u_int);
 280 void fw_rcv (struct fw_rcv_buf *);
 281 void fw_xfer_unload ( struct fw_xfer*);
 282 void fw_xfer_free_buf ( struct fw_xfer*);
 283 void fw_xfer_free ( struct fw_xfer*);
 284 struct fw_xfer *fw_xfer_alloc (struct malloc_type *);
 285 struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int);
 286 void fw_init (struct firewire_comm *);
 287 int fw_tbuf_update (struct firewire_comm *, int, int);
 288 int fw_rbuf_update (struct firewire_comm *, int, int);
 289 void fw_asybusy (struct fw_xfer *);
 290 int fw_bindadd (struct firewire_comm *, struct fw_bind *);
 291 int fw_bindremove (struct firewire_comm *, struct fw_bind *);
 292 int fw_asyreq (struct firewire_comm *, int, struct fw_xfer*);
 293 void fw_busreset (struct firewire_comm *);
 294 u_int16_t fw_crc16 (u_int32_t *, u_int32_t);
 295 void fw_xfer_timeout (void *);
 296 void fw_xfer_done (struct fw_xfer *);
 297 void fw_asy_callback (struct fw_xfer *);
 298 void fw_asy_callback_free (struct fw_xfer *);
 299 struct fw_device *fw_noderesolve_nodeid (struct firewire_comm *, int);
 300 struct fw_device *fw_noderesolve_eui64 (struct firewire_comm *, struct fw_eui64 *);
 301 struct fw_bind *fw_bindlookup (struct firewire_comm *, u_int16_t, u_int32_t);
 302 void fw_drain_txq (struct firewire_comm *);
 303 int fwdev_makedev (struct firewire_softc *);
 304 int fwdev_destroydev (struct firewire_softc *);
 305 void fwdev_clone (void *, char *, int, cdev_t *);
 306
 307 extern int firewire_debug;
 308 extern devclass_t firewire_devclass;
 309
 310 #ifdef __DragonFly__
 311 #define         FWPRI           PCATCH
 312 #else
 313 #define         FWPRI           ((PZERO+8)|PCATCH)
 314 #endif
 315
 316 #if defined(__DragonFly__) || __FreeBSD_version < 500000
 317 #define CALLOUT_INIT(x) callout_init(x)
 318 #else
 319 #define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */)
 320 #endif
 321
 322 #if defined(__DragonFly__)
 323 #define MIN(a,b) (((a)<(b))?(a):(b))
 324 #define MAX(a,b) (((a)>(b))?(a):(b))
 325 #endif
 326
 327 MALLOC_DECLARE(M_FW);
 328 MALLOC_DECLARE(M_FWXFER);