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8b149b5131
ushort. In most of these files, there was a mixture of both styles and this change just makes them self-consistent. Requested by: bde (kern_ktrace.c)
220 lines
5.7 KiB
C
220 lines
5.7 KiB
C
/*-
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* Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
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* based on work by Slawa Olhovchenkov
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* John Prince <johnp@knight-trosoft.com>
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* Eric Hernes
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#define W(p) (*(u_int16_t *)(p))
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#define vW(p) (*(u_int16_t volatile *)(p))
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#define D(p) (*(u_int32_t *)(p))
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#define vD(p) (*(u_int32_t volatile *)(p))
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#define CE_OVERRUN 0
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#define CE_INTERRUPT_BUF_OVERFLOW 1
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#define CE_TTY_BUF_OVERFLOW 2
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#define CE_NTYPES 3
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#define CE_RECORD(com, errnum) (++(com)->delta_error_counts[errnum])
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/*#define DIGI_INTERRUPT*/
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#ifndef DEBUG
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#define DEBUG
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#endif
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#ifdef DEBUG
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extern unsigned digi_debug;
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#define DLOG(level, args) if (digi_debug & (level)) device_printf args
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#else
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#define DLOG(level, args)
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#endif
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struct digi_softc;
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/* digiboard port structure */
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struct digi_p {
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struct digi_softc *sc;
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int status;
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#define ENABLED 1
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#define DIGI_DTR_OFF 2
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#define PAUSE_TX 8
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#define PAUSE_RX 16
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int opencnt;
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u_short txbufsize;
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u_short rxbufsize;
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volatile struct board_chan *bc;
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struct tty *tp;
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dev_t dev[6];
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u_char *txbuf;
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u_char *rxbuf;
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u_char txwin;
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u_char rxwin;
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u_char pnum; /* port number */
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u_char modemfake; /* Modem values to be forced */
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u_char mstat;
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u_char modem; /* Force values */
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int active_out; /* nonzero if the callout device is open */
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int dtr_wait; /* time to hold DTR down on close (* 1/hz) */
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u_int wopeners; /* # processes waiting for DCD in open() */
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/*
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* The high level of the driver never reads status registers directly
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* because there would be too many side effects to handle conveniently.
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* Instead, it reads copies of the registers stored here by the
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* interrupt handler.
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*/
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u_char last_modem_status; /* last MSR read by intr handler */
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u_char prev_modem_status; /* last MSR handled by high level */
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/* Initial state. */
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struct termios it_in; /* should be in struct tty */
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struct termios it_out;
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/* Lock state. */
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struct termios lt_in; /* should be in struct tty */
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struct termios lt_out;
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u_int do_timestamp;
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u_int do_dcd_timestamp;
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struct timeval dcd_timestamp;
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u_long bytes_in, bytes_out;
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u_int delta_error_counts[CE_NTYPES];
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u_long error_counts;
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tcflag_t c_iflag; /* hold true IXON/IXOFF/IXANY */
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int lcc, lostcc, lbuf;
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u_char send_ring;
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unsigned laltpin : 1; /* Alternate pin settings locked */
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unsigned ialtpin : 1; /* Initial alternate pin settings */
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int cd; /* Depends on the altpin setting */
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int dsr;
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};
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/*
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* Map TIOCM_* values to digiboard values
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*/
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struct digi_control_signals {
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int rts;
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int cd;
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int dsr;
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int cts;
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int ri;
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int dtr;
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};
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enum digi_board_status {
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DIGI_STATUS_NOTINIT,
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DIGI_STATUS_ENABLED,
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DIGI_STATUS_DISABLED
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};
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/* Digiboard per-board structure */
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struct digi_softc {
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/* struct board_info */
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device_t dev;
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const char *name;
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enum digi_board_status status;
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u_short numports; /* number of ports on card */
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u_int port; /* I/O port */
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u_int wport; /* window select I/O port */
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struct {
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struct resource *mem;
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int mrid;
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struct resource *irq;
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int irqrid;
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struct resource *io;
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int iorid;
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void *irqHandler;
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int unit;
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dev_t ctldev;
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} res;
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u_char *vmem; /* virtual memory address */
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u_char *memcmd;
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volatile u_char *memevent;
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long pmem; /* physical memory address */
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struct {
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u_char *data;
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size_t size;
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} bios, fep, link;
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#ifdef DIGI_INTERRUPT
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struct timeval intr_timestamp;
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#endif
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struct digi_p *ports; /* pointer to array of port descriptors */
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struct tty *ttys; /* pointer to array of TTY structures */
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volatile struct global_data *gdata;
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u_char window; /* saved window */
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int win_size;
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int win_bits;
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int mem_size;
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int mem_seg;
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enum digi_model model;
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const struct digi_control_signals *csigs;
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int opencnt;
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unsigned pcibus : 1; /* On a PCI bus ? */
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struct callout_handle callout; /* poll timeout handle */
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struct callout_handle inttest; /* int test timeout handle */
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const char *module;
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u_char *(*setwin)(struct digi_softc *_sc, unsigned _addr);
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void (*hidewin)(struct digi_softc *_sc);
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void (*towin)(struct digi_softc *_sc, int _win);
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#ifdef DEBUG
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int intr_count;
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#endif
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};
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extern devclass_t digi_devclass;
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extern const struct digi_control_signals digi_xixe_signals;
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extern const struct digi_control_signals digi_normal_signals;
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const char *digi_errortxt(int _id);
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int digi_attach(struct digi_softc *);
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int digi_detach(device_t _dev);
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int digi_shutdown(device_t _dev);
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void digi_delay(struct digi_softc *_sc, const char *_txt,
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u_long _timo);
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