224 lines
7.5 KiB
C
224 lines
7.5 KiB
C
/*-
|
|
* 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.
|
|
*/
|
|
|
|
/*---------------------------------------------------------------------------
|
|
*
|
|
* i4b_iwic - isdn4bsd Winbond W6692 driver
|
|
* ----------------------------------------
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* last edit-date: [Sun Jan 21 11:08:44 2001]
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef _I4B_IWIC_H_
|
|
#define _I4B_IWIC_H_
|
|
|
|
#include <i4b/layer1/iwic/i4b_iwic_ext.h>
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* PCI resources used
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#define INFO_IO_BASES 2
|
|
|
|
struct i4b_info {
|
|
struct resource * io_base[INFO_IO_BASES];
|
|
int io_rid [INFO_IO_BASES];
|
|
struct resource * irq;
|
|
int irq_rid;
|
|
struct resource * mem;
|
|
int mem_rid;
|
|
};
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* state of a B channel
|
|
*---------------------------------------------------------------------------*/
|
|
struct iwic_bchan
|
|
{
|
|
int unit; /* unit number */
|
|
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 */
|
|
|
|
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;
|
|
drvr_link_t *iwic_drvr_linktab;
|
|
};
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* 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
|
|
{
|
|
int sc_unit;
|
|
u_int32_t sc_iobase;
|
|
int sc_trace;
|
|
int sc_cardtyp;
|
|
|
|
int sc_I430state;
|
|
int sc_I430T3;
|
|
|
|
int enabled;
|
|
|
|
struct iwic_dchan sc_dchan;
|
|
struct iwic_bchan sc_bchan[2];
|
|
|
|
struct i4b_info sc_resources;
|
|
};
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* rd/wr register/fifo macros
|
|
*---------------------------------------------------------------------------*/
|
|
#define IWIC_READ(sc,reg) (inb ((sc)->sc_iobase + (u_int32_t)(reg)))
|
|
#define IWIC_WRITE(sc,reg,val) (outb ((sc)->sc_iobase + (u_int32_t)(reg), (val)))
|
|
#define IWIC_WRDFIFO(sc,p,l) (outsb ((sc)->sc_iobase + D_XFIFO, (p), (l)))
|
|
#define IWIC_RDDFIFO(sc,p,l) (insb ((sc)->sc_iobase + D_RFIFO, (p), (l)))
|
|
#define IWIC_WRBFIFO(sc,b,p,l) (outsb (((sc)->sc_iobase + (b)->offset + B_XFIFO), (p), (l)))
|
|
#define IWIC_RDBFIFO(sc,b,p,l) (insb (((sc)->sc_iobase + (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 */
|
|
};
|
|
|
|
|
|
extern struct iwic_softc iwic_sc[];
|
|
|
|
#define iwic_find_sc(unit) (&iwic_sc[(unit)])
|
|
|
|
extern void iwic_init(struct iwic_softc *);
|
|
extern void iwic_next_state(struct iwic_softc *, int);
|
|
|
|
extern void iwic_dchan_init(struct iwic_softc *);
|
|
extern void iwic_dchan_xirq(struct iwic_softc *);
|
|
extern void iwic_dchan_xfer_irq(struct iwic_softc *, int);
|
|
extern void iwic_dchan_disable(struct iwic_softc *sc);
|
|
extern int iwic_dchan_data_req(struct iwic_softc *sc, struct mbuf *m, int freeflag);
|
|
extern void iwic_dchan_transmit(struct iwic_softc *sc);
|
|
|
|
char *iwic_printstate(struct iwic_softc *sc);
|
|
|
|
void iwic_init_linktab(struct iwic_softc *sc);
|
|
void iwic_bchan_xirq(struct iwic_softc *, int);
|
|
void iwic_bchannel_setup(int unit, int h_chan, int bprot, int activate);
|
|
|
|
#endif /* _I4B_IWIC_H_ */
|