201 lines
7.2 KiB
C
201 lines
7.2 KiB
C
/* $NetBSD: iwicvar.h,v 1.4 2005/12/11 12:22:50 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1999, 2000 Dave Boyce. 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 _IWICVAR_H_
|
|
#define _IWICVAR_H_
|
|
|
|
#include <netisdn/i4b_debug.h>
|
|
#include <netisdn/i4b_ioctl.h>
|
|
#include <netisdn/i4b_trace.h>
|
|
|
|
#include <netisdn/i4b_l2.h>
|
|
#include <netisdn/i4b_l1l2.h>
|
|
#include <netisdn/i4b_l3l4.h>
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* state of a B channel
|
|
*---------------------------------------------------------------------------*/
|
|
struct iwic_bchan {
|
|
int channel; /* channel number */
|
|
int offset; /* offset from iobase */
|
|
int bprot; /* b channel protocol used */
|
|
int state; /* transceiver state: */
|
|
#define ST_IDLE 0x00 /* channel idle */
|
|
#define ST_TX_ACTIVE 0x01 /* tx running */
|
|
|
|
unsigned int sc_trace_bcount;
|
|
|
|
/* receive data from ISDN */
|
|
|
|
struct ifqueue rx_queue;/* receiver queue */
|
|
int rxcount; /* rx statistics counter */
|
|
struct mbuf *in_mbuf; /* rx input buffer */
|
|
u_char *in_cbptr; /* curr buffer pointer */
|
|
int in_len; /* rx input buffer len */
|
|
|
|
/* transmit data to ISDN */
|
|
|
|
struct ifqueue tx_queue;/* transmitter queue */
|
|
int txcount; /* tx statistics counter */
|
|
struct mbuf *out_mbuf_head; /* first mbuf in possible chain */
|
|
struct mbuf *out_mbuf_cur; /* current mbuf in possbl chain */
|
|
unsigned char *out_mbuf_cur_ptr; /* data pointer into mbuf */
|
|
int out_mbuf_cur_len; /* remaining bytes in mbuf */
|
|
|
|
/* linktab */
|
|
|
|
isdn_link_t iwic_isdn_linktab;
|
|
const struct isdn_l4_driver_functions *l4_driver;
|
|
void *l4_driver_softc;
|
|
};
|
|
/*---------------------------------------------------------------------------*
|
|
* state of a D channel
|
|
*---------------------------------------------------------------------------*/
|
|
struct iwic_dchan {
|
|
int enabled;
|
|
int trace_count;
|
|
struct mbuf *ibuf;
|
|
u_char *ibuf_ptr; /* Input buffer pointer */
|
|
int ibuf_len; /* Current length of input buffer */
|
|
int ibuf_max_len; /* Max length in input buffer */
|
|
int rx_count;
|
|
|
|
int tx_ready; /* Can send next 64 bytes of data. */
|
|
int tx_count;
|
|
|
|
struct mbuf *obuf;
|
|
int free_obuf;
|
|
u_char *obuf_ptr;
|
|
int obuf_len;
|
|
|
|
struct mbuf *obuf2;
|
|
int free_obuf2;
|
|
};
|
|
/*---------------------------------------------------------------------------*
|
|
* state of one iwic unit
|
|
*---------------------------------------------------------------------------*/
|
|
struct iwic_softc {
|
|
struct device sc_dev;
|
|
|
|
const char *sc_cardname;
|
|
|
|
bus_addr_t sc_iobase;
|
|
bus_size_t sc_iosize;
|
|
bus_space_handle_t sc_io_bh;
|
|
bus_space_tag_t sc_io_bt;
|
|
|
|
struct iwic_dchan sc_dchan;
|
|
struct iwic_bchan sc_bchan[2];
|
|
|
|
void *sc_ih; /* interrupt handler */
|
|
pci_chipset_tag_t sc_pc;
|
|
|
|
void *sc_l3token; /* pointer to registered L3 instance */
|
|
struct l2_softc sc_l2; /* D-channel variables */
|
|
|
|
int sc_I430state;
|
|
int sc_I430T3;
|
|
|
|
int sc_trace;
|
|
};
|
|
/*---------------------------------------------------------------------------*
|
|
* rd/wr register/fifo macros
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#define IWIC_READ(sc,reg) bus_space_read_1((sc)->sc_io_bt,(sc)->sc_io_bh,(reg))
|
|
#define IWIC_WRITE(sc,reg,val) bus_space_write_1((sc)->sc_io_bt,(sc)->sc_io_bh,(reg),(val))
|
|
#define IWIC_WRDFIFO(sc,p,l) bus_space_write_multi_1((sc)->sc_io_bt,(sc)->sc_io_bh,D_XFIFO,(p),(l))
|
|
#define IWIC_RDDFIFO(sc,p,l) bus_space_read_multi_1((sc)->sc_io_bt,(sc)->sc_io_bh,D_RFIFO,(p),(l))
|
|
#define IWIC_WRBFIFO(sc,b,p,l) bus_space_write_multi_1((sc)->sc_io_bt,(sc)->sc_io_bh,(b)->offset + B_XFIFO,(p),(l))
|
|
#define IWIC_RDBFIFO(sc,b,p,l) bus_space_read_multi_1((sc)->sc_io_bt,(sc)->sc_io_bh,(b)->offset + B_RFIFO,(p),(l))
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* possible I.430 states
|
|
*---------------------------------------------------------------------------*/
|
|
enum I430states {
|
|
ST_F3N, /* F3 Deactivated, no clock */
|
|
ST_F3, /* F3 Deactivated */
|
|
ST_F4, /* F4 Awaiting Signal */
|
|
ST_F5, /* F5 Identifying Input */
|
|
ST_F6, /* F6 Synchronized */
|
|
ST_F7, /* F7 Activated */
|
|
ST_F8, /* F8 Lost Framing */
|
|
ST_ILL, /* Illegal State */
|
|
N_STATES
|
|
};
|
|
/*---------------------------------------------------------------------------*
|
|
* possible I.430 events
|
|
*---------------------------------------------------------------------------*/
|
|
enum I430events {
|
|
EV_PHAR, /* PH ACTIVATE REQUEST */
|
|
EV_CE, /* Clock enabled */
|
|
EV_T3, /* Timer 3 expired */
|
|
EV_INFO0, /* receiving INFO0 */
|
|
EV_RSY, /* receiving any signal */
|
|
EV_INFO2, /* receiving INFO2 */
|
|
EV_INFO48, /* receiving INFO4 pri 8/9 */
|
|
EV_INFO410, /* receiving INFO4 pri 10/11 */
|
|
EV_DR, /* Deactivate Request */
|
|
EV_PU, /* Power UP */
|
|
EV_DIS, /* Disconnected (only 2085) */
|
|
EV_EI, /* Error Indication */
|
|
EV_ILL, /* Illegal Event */
|
|
N_EVENTS
|
|
};
|
|
/*---------------------------------------------------------------------------*
|
|
* available commands
|
|
*---------------------------------------------------------------------------*/
|
|
enum I430commands {
|
|
CMD_ECK, /* Enable clock */
|
|
CMD_TIM, /* Timing */
|
|
CMD_RT, /* Reset */
|
|
CMD_AR8, /* Activation request pri 8 */
|
|
CMD_AR10, /* Activation request pri 10 */
|
|
CMD_DIU, /* Deactivate Indication Upstream */
|
|
CMD_ILL /* Illegal command */
|
|
};
|
|
|
|
void iwic_init(struct iwic_softc *);
|
|
void iwic_next_state(struct iwic_softc *, int);
|
|
|
|
void iwic_dchan_init(struct iwic_softc *);
|
|
void iwic_dchan_xirq(struct iwic_softc *);
|
|
void iwic_dchan_xfer_irq(struct iwic_softc *, int);
|
|
void iwic_dchan_disable(struct iwic_softc *);
|
|
int iwic_dchan_data_req(struct iwic_softc *, struct mbuf *, int);
|
|
void iwic_dchan_transmit(struct iwic_softc *);
|
|
|
|
const char *iwic_printstate(struct iwic_softc *);
|
|
|
|
void iwic_init_linktab(struct iwic_softc *);
|
|
void iwic_bchan_xirq(struct iwic_softc *, int);
|
|
void iwic_bchannel_setup(isdn_layer1token, int, int, int);
|
|
|
|
#endif /* _IWICVAR_H_ */
|