NetBSD/sys/dev/ic/daicvar.h

102 lines
4.2 KiB
C

/*
* Copyright (c) 1997,2001 Martin Husemann <martin@duskware.de>
* 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. 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.
*
*/
#ifndef DIEHLISDNVAR
#define DIEHLISDNVAR
#if defined(KERNEL) || defined(_KERNEL)
#define DAIC_MAX_PORT 4
#define DAIC_ISA_MEMSIZE 2048
#define DAIC_ISA_QUADSIZE (DAIC_MAX_PORT*DAIC_ISA_MEMSIZE)
#define DAIC_MAX_ACTIVE (2*DAIC_MAX_PORT) /* simlutaneous connections on one instance */
/* A queue of pending outgoing calls */
struct outcallentry {
TAILQ_ENTRY(outcallentry) queue;
unsigned int cdid; /* call descriptor id for layer 4 */
u_int8_t dchan_id; /* task id for microcode */
u_int8_t rc; /* return code */
};
/* One active connection */
struct daic_connection {
u_int cdid; /* layer 4 call descriptor id */
struct ifqueue tx_queue; /* outgoing data */
struct ifqueue rx_queue; /* incoming data */
isdn_link_t isdn_linktab; /* description of ourself */
drvr_link_t *drvr_linktab; /* application driver using us */
u_int8_t dchan_inst; /* d-channel instance */
u_int8_t dchan_rc; /* return code for dchannel requests */
u_int8_t bchan_inst; /* b-channel instance */
u_int8_t bchan_rc; /* return code for bchannel requests */
};
/* superclass of all softc structs for attachments, you should
* always be able to cast an attachments struct device *self to this. */
struct daic {
struct device sc_dev;
bus_space_tag_t sc_iot; /* bus identifier */
bus_space_handle_t sc_ioh; /* mem handle */
int sc_cardtype; /* variant of card */
#define DAIC_TYPE_S 0
#define DAIC_TYPE_SX 1
#define DAIC_TYPE_SCOM 2
#define DAIC_TYPE_QUAD 3
int sc_ctrl[DAIC_MAX_PORT]; /* upper layer controller number */
int sc_state[DAIC_MAX_PORT]; /* state of board, see below */
#define DAIC_STATE_COLD 0 /* nothing happened to the board */
#define DAIC_STATE_DOWNLOAD 1 /* the card is waiting for protocol code */
#define DAIC_STATE_TESTING 2 /* waiting for first interrupt from card */
#define DAIC_STATE_RUNNING 3 /* the protocol is running */
#define DAIC_STATE_DIAGNOSTIC 4 /* temporary disabled for diagnostics */
int sc_assign[DAIC_MAX_PORT]; /* allocating new protocol instance */
#define DAIC_ASSIGN_PENDING 1 /* we are awaiting a new ID */
#define DAIC_ASSIGN_SLEEPING 2 /* somebody sleeping, wakeup after we got the ID */
#define DAIC_ASSIGN_GLOBAL 4 /* result is a global d-channel id */
#define DAIC_ASSIGN_NOGLOBAL 8 /* need to assign a global d-channel id */
u_int8_t sc_global_dchan[DAIC_MAX_PORT]; /* handle of global dchannel instance */
u_int8_t sc_request_res[DAIC_MAX_PORT]; /* result of requests */
u_int8_t sc_assign_res[DAIC_MAX_PORT]; /* result of assigns */
/* one record for each b-channel we could handle concurrently */
struct daic_connection sc_con[DAIC_MAX_ACTIVE];
/* a tailq of ougoing calls no yet assigned to any b-channel */
TAILQ_HEAD(outcallhead, outcallentry) sc_outcalls[DAIC_MAX_PORT];
};
/*
* functions exported from MI part
*/
extern int daic_probe __P((bus_space_tag_t bus, bus_space_handle_t io));
extern void daic_attach __P((struct device *self, struct daic *sc));
extern int daic_intr __P((struct daic *));
#endif
#endif