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freebsd-dev/sys/dev/firewire/firewirereg.h
Alexander Kabaev 23667f089d Remove obsolete compatibility glue and improve firewire code readability. 
Commit my version of style(9) pass over the firewire code. Now that
other people have started changing the code carrying this is as a
local patch is not longer a viable option.

MFC after:	1 month
2014-09-27 16:50:21 +00:00

302 lines
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/*-
* Copyright (c) 2003 Hidetoshi Shimokawa
* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the acknowledgement as bellow:
*
* This product includes software developed by K. Kobayashi and H. Shimokawa
*
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
typedef struct thread fw_proc;
#include <sys/selinfo.h>
#include <sys/uio.h>
#include <sys/mutex.h>
#include <sys/taskqueue.h>
#define splfw splimp
STAILQ_HEAD(fw_xferlist, fw_xfer);
struct fw_device {
uint16_t dst;
struct fw_eui64 eui;
uint8_t speed;
uint8_t maxrec;
uint8_t nport;
uint8_t power;
#define CSRROMOFF 0x400
#define CSRROMSIZE 0x400
int rommax; /* offset from 0xffff f000 0000 */
uint32_t csrrom[CSRROMSIZE / 4];
int rcnt;
struct firewire_comm *fc;
uint32_t status;
#define FWDEVINIT 1
#define FWDEVATTACHED 2
#define FWDEVINVAL 3
STAILQ_ENTRY(fw_device) link;
};
struct firewire_softc {
struct cdev *dev;
struct firewire_comm *fc;
};
#define FW_MAX_DMACH 0x20
#define FW_MAX_DEVCH FW_MAX_DMACH
#define FW_XFERTIMEOUT 1
struct firewire_dev_comm {
device_t dev;
struct firewire_comm *fc;
void (*post_busreset) (void *);
void (*post_explore) (void *);
};
struct tcode_info {
u_char hdr_len; /* IEEE1394 header length */
u_char flag;
#define FWTI_REQ (1 << 0)
#define FWTI_RES (1 << 1)
#define FWTI_TLABEL (1 << 2)
#define FWTI_BLOCK_STR (1 << 3)
#define FWTI_BLOCK_ASY (1 << 4)
u_char valid_res;
};
struct firewire_comm {
device_t dev;
device_t bdev;
uint16_t busid:10,
nodeid:6;
u_int mode;
u_int nport;
u_int speed;
u_int maxrec;
u_int irm;
u_int max_node;
u_int max_hop;
#define FWPHYASYST (1 << 0)
uint32_t status;
#define FWBUSDETACH (-2)
#define FWBUSNOTREADY (-1)
#define FWBUSRESET 0
#define FWBUSINIT 1
#define FWBUSCYMELECT 2
#define FWBUSMGRELECT 3
#define FWBUSMGRDONE 4
#define FWBUSEXPLORE 5
#define FWBUSPHYCONF 6
#define FWBUSEXPDONE 7
#define FWBUSCOMPLETION 10
int nisodma;
struct fw_eui64 eui;
struct fw_xferq
*arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
struct fw_xferlist tlabels[0x40];
u_char last_tlabel[0x40];
struct mtx tlabel_lock;
STAILQ_HEAD(, fw_bind) binds;
STAILQ_HEAD(, fw_device) devices;
u_int sid_cnt;
#define CSRSIZE 0x4000
uint32_t csr_arc[CSRSIZE / 4];
#define CROMSIZE 0x400
uint32_t *config_rom;
struct crom_src_buf *crom_src_buf;
struct crom_src *crom_src;
struct crom_chunk *crom_root;
struct fw_topology_map *topology_map;
struct fw_speed_map *speed_map;
struct callout busprobe_callout;
struct callout bmr_callout;
struct callout timeout_callout;
struct task task_timeout;
uint32_t (*cyctimer) (struct firewire_comm *);
void (*ibr) (struct firewire_comm *);
uint32_t (*set_bmr) (struct firewire_comm *, uint32_t);
int (*ioctl) (struct cdev *, u_long, caddr_t, int, fw_proc *);
int (*irx_enable) (struct firewire_comm *, int);
int (*irx_disable) (struct firewire_comm *, int);
int (*itx_enable) (struct firewire_comm *, int);
int (*itx_disable) (struct firewire_comm *, int);
void (*timeout) (void *);
void (*poll) (struct firewire_comm *, int, int);
void (*set_intr) (struct firewire_comm *, int);
void (*irx_post) (struct firewire_comm *, uint32_t *);
void (*itx_post) (struct firewire_comm *, uint32_t *);
struct tcode_info *tcode;
bus_dma_tag_t dmat;
struct mtx mtx;
struct mtx wait_lock;
struct taskqueue *taskqueue;
struct proc *probe_thread;
};
#define CSRARC(sc, offset) ((sc)->csr_arc[(offset) / 4])
#define FW_GMTX(fc) (&(fc)->mtx)
#define FW_GLOCK(fc) mtx_lock(FW_GMTX(fc))
#define FW_GUNLOCK(fc) mtx_unlock(FW_GMTX(fc))
#define FW_GLOCK_ASSERT(fc) mtx_assert(FW_GMTX(fc), MA_OWNED)
struct fw_xferq {
int flag;
#define FWXFERQ_CHTAGMASK 0xff
#define FWXFERQ_RUNNING (1 << 8)
#define FWXFERQ_STREAM (1 << 9)
#define FWXFERQ_BULK (1 << 11)
#define FWXFERQ_MODEMASK (7 << 10)
#define FWXFERQ_EXTBUF (1 << 13)
#define FWXFERQ_OPEN (1 << 14)
#define FWXFERQ_HANDLER (1 << 16)
#define FWXFERQ_WAKEUP (1 << 17)
void (*start) (struct firewire_comm *);
int dmach;
struct fw_xferlist q;
u_int queued;
u_int maxq;
u_int psize;
struct fwdma_alloc_multi *buf;
u_int bnchunk;
u_int bnpacket;
struct fw_bulkxfer *bulkxfer;
STAILQ_HEAD(, fw_bulkxfer) stvalid;
STAILQ_HEAD(, fw_bulkxfer) stfree;
STAILQ_HEAD(, fw_bulkxfer) stdma;
struct fw_bulkxfer *stproc;
struct selinfo rsel;
caddr_t sc;
void (*hand) (struct fw_xferq *);
};
struct fw_bulkxfer {
int poffset;
struct mbuf *mbuf;
STAILQ_ENTRY(fw_bulkxfer) link;
caddr_t start;
caddr_t end;
int resp;
};
struct fw_bind {
u_int64_t start;
u_int64_t end;
struct fw_xferlist xferlist;
STAILQ_ENTRY(fw_bind) fclist;
STAILQ_ENTRY(fw_bind) chlist;
void *sc;
};
struct fw_xfer {
caddr_t sc;
struct firewire_comm *fc;
struct fw_xferq *q;
struct timeval tv;
int8_t resp;
#define FWXF_INIT 0x00
#define FWXF_INQ 0x01
#define FWXF_START 0x02
#define FWXF_SENT 0x04
#define FWXF_SENTERR 0x08
#define FWXF_BUSY 0x10
#define FWXF_RCVD 0x20
#define FWXF_WAKE 0x80
uint8_t flag;
int8_t tl;
void (*hand) (struct fw_xfer *);
struct {
struct fw_pkt hdr;
uint32_t *payload;
uint16_t pay_len;
uint8_t spd;
} send, recv;
struct mbuf *mbuf;
STAILQ_ENTRY(fw_xfer) link;
STAILQ_ENTRY(fw_xfer) tlabel;
struct malloc_type *malloc;
};
struct fw_rcv_buf {
struct firewire_comm *fc;
struct fw_xfer *xfer;
struct iovec *vec;
u_int nvec;
uint8_t spd;
};
void fw_sidrcv (struct firewire_comm *, uint32_t *, u_int);
void fw_rcv (struct fw_rcv_buf *);
void fw_xfer_unload (struct fw_xfer *);
void fw_xfer_free_buf (struct fw_xfer *);
void fw_xfer_free (struct fw_xfer*);
struct fw_xfer *fw_xfer_alloc (struct malloc_type *);
struct fw_xfer *fw_xfer_alloc_buf (struct malloc_type *, int, int);
void fw_init (struct firewire_comm *);
int fw_tbuf_update (struct firewire_comm *, int, int);
int fw_rbuf_update (struct firewire_comm *, int, int);
int fw_bindadd (struct firewire_comm *, struct fw_bind *);
int fw_bindremove (struct firewire_comm *, struct fw_bind *);
int fw_xferlist_add (struct fw_xferlist *, struct malloc_type *, int, int, int,
struct firewire_comm *, void *, void (*)(struct fw_xfer *));
void fw_xferlist_remove (struct fw_xferlist *);
int fw_asyreq (struct firewire_comm *, int, struct fw_xfer *);
void fw_busreset (struct firewire_comm *, uint32_t);
uint16_t fw_crc16 (uint32_t *, uint32_t);
void fw_xfer_timeout (void *);
void fw_xfer_done (struct fw_xfer *);
void fw_xferwake (struct fw_xfer *);
int fw_xferwait (struct fw_xfer *);
void fw_asy_callback_free (struct fw_xfer *);
struct fw_device *fw_noderesolve_nodeid (struct firewire_comm *, int);
struct fw_device *fw_noderesolve_eui64 (struct firewire_comm *, struct fw_eui64 *);
struct fw_bind *fw_bindlookup (struct firewire_comm *, uint16_t, uint32_t);
void fw_drain_txq (struct firewire_comm *);
int fwdev_makedev (struct firewire_softc *);
int fwdev_destroydev (struct firewire_softc *);
void fwdev_clone (void *, struct ucred *, char *, int, struct cdev **);
int fw_open_isodma(struct firewire_comm *, int);
extern int firewire_debug;
extern devclass_t firewire_devclass;
extern int firewire_phydma_enable;
#define FWPRI ((PZERO + 8) | PCATCH)
#define CALLOUT_INIT(x) callout_init(x, 1 /* mpsafe */)
MALLOC_DECLARE(M_FW);
MALLOC_DECLARE(M_FWXFER);
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