2 * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
3 * based on work by Slawa Olhovchenkov
4 * John Prince <johnp@knight-trosoft.com>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * $FreeBSD: src/sys/dev/digi/digi.h,v 1.14 2003/08/07 15:04:24 jhb Exp $
30 * $DragonFly: src/sys/dev/serial/digi/digi.h,v 1.3 2008/04/30 17:28:17 dillon Exp $
33 #define W(p) (*(u_int16_t *)(p))
34 #define vW(p) (*(u_int16_t volatile *)(p))
35 #define D(p) (*(u_int32_t *)(p))
36 #define vD(p) (*(u_int32_t volatile *)(p))
39 #define CE_INTERRUPT_BUF_OVERFLOW 1
40 #define CE_TTY_BUF_OVERFLOW 2
42 #define CE_RECORD(com, errnum) (++(com)->delta_error_counts[errnum])
44 /*#define DIGI_INTERRUPT*/
51 extern unsigned digi_debug;
52 #define DLOG(level, args) if (digi_debug & (level)) device_printf args
54 #define DLOG(level, args)
60 /* digiboard port structure */
62 struct digi_softc *sc;
63 struct callout wakeupco;
67 #define DIGI_DTR_OFF 2
74 volatile struct board_chan *bc;
84 u_char pnum; /* port number */
86 u_char modemfake; /* Modem values to be forced */
88 u_char modem; /* Force values */
90 int active_out; /* nonzero if the callout device is open */
91 int dtr_wait; /* time to hold DTR down on close (* 1/hz) */
92 u_int wopeners; /* # processes waiting for DCD in open() */
95 * The high level of the driver never reads status registers directly
96 * because there would be too many side effects to handle conveniently.
97 * Instead, it reads copies of the registers stored here by the
100 u_char last_modem_status; /* last MSR read by intr handler */
101 u_char prev_modem_status; /* last MSR handled by high level */
105 struct termios it_in; /* should be in struct tty */
106 struct termios it_out;
109 struct termios lt_in; /* should be in struct tty */
110 struct termios lt_out;
113 u_int do_dcd_timestamp;
114 struct timeval dcd_timestamp;
116 u_long bytes_in, bytes_out;
117 u_int delta_error_counts[CE_NTYPES];
120 tcflag_t c_iflag; /* hold true IXON/IXOFF/IXANY */
121 int lcc, lostcc, lbuf;
124 unsigned laltpin : 1; /* Alternate pin settings locked */
125 unsigned ialtpin : 1; /* Initial alternate pin settings */
127 int cd; /* Depends on the altpin setting */
132 * Map TIOCM_* values to digiboard values
134 struct digi_control_signals {
143 enum digi_board_status {
149 /* Digiboard per-board structure */
151 /* struct board_info */
155 enum digi_board_status status;
156 u_short numports; /* number of ports on card */
157 u_int port; /* I/O port */
158 u_int wport; /* window select I/O port */
161 struct resource *mem;
163 struct resource *irq;
172 u_char *vmem; /* virtual memory address */
175 volatile u_char *memevent;
176 long pmem; /* physical memory address */
183 #ifdef DIGI_INTERRUPT
184 struct timeval intr_timestamp;
187 struct digi_p *ports; /* pointer to array of port descriptors */
188 struct tty *ttys; /* pointer to array of TTY structures */
189 volatile struct global_data *gdata;
190 u_char window; /* saved window */
195 enum digi_model model;
196 const struct digi_control_signals *csigs;
198 unsigned pcibus : 1; /* On a PCI bus ? */
200 struct callout callout; /* poll timeout handle */
201 struct callout inttest; /* int test timeout handle */
204 u_char *(*setwin)(struct digi_softc *_sc, unsigned _addr);
205 void (*hidewin)(struct digi_softc *_sc);
206 void (*towin)(struct digi_softc *_sc, int _win);
212 extern devclass_t digi_devclass;
214 extern const struct digi_control_signals digi_xixe_signals;
215 extern const struct digi_control_signals digi_normal_signals;
217 const char *digi_errortxt(int _id);
218 int digi_attach(struct digi_softc *);
219 int digi_detach(device_t _dev);
220 int digi_shutdown(device_t _dev);
221 void digi_delay(struct digi_softc *_sc, const char *_txt,