1/* $NetBSD: daicvar.h,v 1.10 2008/04/28 20:23:49 martin Exp $ */ 2 3/*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Martin Husemann <martin@NetBSD.org>. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef DIEHLISDNVAR 33#define DIEHLISDNVAR 34#if defined(KERNEL) || defined(_KERNEL) 35 36#define DAIC_MAX_PORT 4 37#define DAIC_ISA_MEMSIZE 2048 38#define DAIC_ISA_QUADSIZE (DAIC_MAX_PORT*DAIC_ISA_MEMSIZE) 39#define DAIC_MAX_ACTIVE (2*DAIC_MAX_PORT) /* simlutaneous connections on one instance */ 40 41/* A queue of pending outgoing calls */ 42struct outcallentry { 43 TAILQ_ENTRY(outcallentry) queue; 44 unsigned int cdid; /* call descriptor id for layer 4 */ 45 u_int8_t dchan_id; /* task id for microcode */ 46 u_int8_t rc; /* return code */ 47}; 48 49/* One active connection */ 50struct daic_connection { 51 u_int cdid; /* layer 4 call descriptor id */ 52 struct ifqueue tx_queue; /* outgoing data */ 53 struct ifqueue rx_queue; /* incoming data */ 54 isdn_link_t isdn_linktab; /* description of ourself */ 55 const struct isdn_l4_driver_functions 56 *l4_driver; /* layer 4 driver */ 57 void *l4_driver_softc; /* layer 4 driver instance */ 58 u_int8_t dchan_inst; /* d-channel instance */ 59 u_int8_t dchan_rc; /* return code for dchannel requests */ 60 u_int8_t bchan_inst; /* b-channel instance */ 61 u_int8_t bchan_rc; /* return code for bchannel requests */ 62}; 63 64/* 65 * One BRI as exposed to the upper layers, with all the internal management 66 * information we need for it. A pointer to this is passed as the driver 67 * token. 68 */ 69struct daic_unit { 70 struct daic_softc *du_sc; /* pointer to softc */ 71 const struct isdn_l3_driver *du_l3; 72 int du_port; /* port number (on multi BRI cards) */ 73 int du_state; /* state of board, see below */ 74#define DAIC_STATE_COLD 0 /* nothing happened to the board */ 75#define DAIC_STATE_DOWNLOAD 1 /* the card is waiting for protocol code */ 76#define DAIC_STATE_TESTING 2 /* waiting for first interrupt from card */ 77#define DAIC_STATE_RUNNING 3 /* the protocol is running */ 78#define DAIC_STATE_DIAGNOSTIC 4 /* temporary disabled for diagnostics */ 79 80 int du_assign; /* allocate new protocol instance */ 81#define DAIC_ASSIGN_PENDING 1 /* we are awaiting a new ID */ 82#define DAIC_ASSIGN_SLEEPING 2 /* somebody sleeping, wakeup after we got the ID */ 83#define DAIC_ASSIGN_GLOBAL 4 /* result is a global d-channel id */ 84#define DAIC_ASSIGN_NOGLOBAL 8 /* need to assign a global d-channel id */ 85 86 u_int8_t du_global_dchan; /* handle of global dchannel instance */ 87 u_int8_t du_request_res; /* result of requests */ 88 u_int8_t du_assign_res; /* result of assigns */ 89}; 90 91/* superclass of all softc structs for attachments, you should 92 * always be able to cast an attachments device_t self to this. */ 93struct daic_softc { 94 struct device sc_dev; 95 bus_space_tag_t sc_iot; /* bus identifier */ 96 bus_space_handle_t sc_ioh; /* mem handle */ 97 int sc_cardtype; /* variant of card */ 98#define DAIC_TYPE_S 0 99#define DAIC_TYPE_SX 1 100#define DAIC_TYPE_SCOM 2 101#define DAIC_TYPE_QUAD 3 102 103 struct daic_unit sc_port[DAIC_MAX_PORT]; 104 105 /* one record for each b-channel we could handle concurrently */ 106 struct daic_connection sc_con[DAIC_MAX_ACTIVE]; 107 108 /* a tailq of ougoing calls no yet assigned to any b-channel */ 109 TAILQ_HEAD(outcallhead, outcallentry) sc_outcalls[DAIC_MAX_PORT]; 110}; 111 112/* 113 * functions exported from MI part 114 */ 115extern int daic_probe(bus_space_tag_t bus, bus_space_handle_t io); 116extern void daic_attach(device_t self, struct daic_softc *sc); 117extern int daic_intr(struct daic_softc *); 118 119#endif 120#endif 121