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  */
  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 MALLOC_DECLARE(M_FW);
 307 MALLOC_DECLARE(M_FWXFER);