/*- * Copyright (c) 2001 Brian Somers * based on work by Slawa Olhovchenkov * John Prince * Eric Hernes * 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. * * $FreeBSD: src/sys/dev/digi/digi.h,v 1.14 2003/08/07 15:04:24 jhb Exp $ * $DragonFly: src/sys/dev/serial/digi/digi.h,v 1.1 2004/12/22 08:42:47 joerg Exp $ */ #define W(p) (*(u_int16_t *)(p)) #define vW(p) (*(u_int16_t volatile *)(p)) #define D(p) (*(u_int32_t *)(p)) #define vD(p) (*(u_int32_t volatile *)(p)) #define CE_OVERRUN 0 #define CE_INTERRUPT_BUF_OVERFLOW 1 #define CE_TTY_BUF_OVERFLOW 2 #define CE_NTYPES 3 #define CE_RECORD(com, errnum) (++(com)->delta_error_counts[errnum]) /*#define DIGI_INTERRUPT*/ #ifndef DEBUG #define DEBUG #endif #ifdef DEBUG extern unsigned digi_debug; #define DLOG(level, args) if (digi_debug & (level)) device_printf args #else #define DLOG(level, args) #endif struct digi_softc; /* digiboard port structure */ struct digi_p { struct digi_softc *sc; struct callout wakeupco; int status; #define ENABLED 1 #define DIGI_DTR_OFF 2 #define PAUSE_TX 8 #define PAUSE_RX 16 int opencnt; u_short txbufsize; u_short rxbufsize; volatile struct board_chan *bc; struct tty *tp; dev_t dev[6]; u_char *txbuf; u_char *rxbuf; u_char txwin; u_char rxwin; u_char pnum; /* port number */ u_char modemfake; /* Modem values to be forced */ u_char mstat; u_char modem; /* Force values */ int active_out; /* nonzero if the callout device is open */ int dtr_wait; /* time to hold DTR down on close (* 1/hz) */ u_int wopeners; /* # processes waiting for DCD in open() */ /* * The high level of the driver never reads status registers directly * because there would be too many side effects to handle conveniently. * Instead, it reads copies of the registers stored here by the * interrupt handler. */ u_char last_modem_status; /* last MSR read by intr handler */ u_char prev_modem_status; /* last MSR handled by high level */ /* Initial state. */ struct termios it_in; /* should be in struct tty */ struct termios it_out; /* Lock state. */ struct termios lt_in; /* should be in struct tty */ struct termios lt_out; u_int do_timestamp; u_int do_dcd_timestamp; struct timeval dcd_timestamp; u_long bytes_in, bytes_out; u_int delta_error_counts[CE_NTYPES]; u_long error_counts; tcflag_t c_iflag; /* hold true IXON/IXOFF/IXANY */ int lcc, lostcc, lbuf; u_char send_ring; unsigned laltpin : 1; /* Alternate pin settings locked */ unsigned ialtpin : 1; /* Initial alternate pin settings */ int cd; /* Depends on the altpin setting */ int dsr; }; /* * Map TIOCM_* values to digiboard values */ struct digi_control_signals { int rts; int cd; int dsr; int cts; int ri; int dtr; }; enum digi_board_status { DIGI_STATUS_NOTINIT, DIGI_STATUS_ENABLED, DIGI_STATUS_DISABLED }; /* Digiboard per-board structure */ struct digi_softc { /* struct board_info */ device_t dev; const char *name; enum digi_board_status status; u_short numports; /* number of ports on card */ u_int port; /* I/O port */ u_int wport; /* window select I/O port */ struct { struct resource *mem; int mrid; struct resource *irq; int irqrid; struct resource *io; int iorid; void *irqHandler; int unit; dev_t ctldev; } res; u_char *vmem; /* virtual memory address */ u_char *memcmd; volatile u_char *memevent; long pmem; /* physical memory address */ struct { u_char *data; size_t size; } bios, fep, link; #ifdef DIGI_INTERRUPT struct timeval intr_timestamp; #endif struct digi_p *ports; /* pointer to array of port descriptors */ struct tty *ttys; /* pointer to array of TTY structures */ volatile struct global_data *gdata; u_char window; /* saved window */ int win_size; int win_bits; int mem_size; int mem_seg; enum digi_model model; const struct digi_control_signals *csigs; int opencnt; unsigned pcibus : 1; /* On a PCI bus ? */ struct callout callout; /* poll timeout handle */ struct callout inttest; /* int test timeout handle */ const char *module; u_char *(*setwin)(struct digi_softc *_sc, unsigned _addr); void (*hidewin)(struct digi_softc *_sc); void (*towin)(struct digi_softc *_sc, int _win); #ifdef DEBUG int intr_count; #endif }; extern devclass_t digi_devclass; extern const struct digi_control_signals digi_xixe_signals; extern const struct digi_control_signals digi_normal_signals; const char *digi_errortxt(int _id); int digi_attach(struct digi_softc *); int digi_detach(device_t _dev); int digi_shutdown(device_t _dev); void digi_delay(struct digi_softc *_sc, const char *_txt, u_long _timo);