45de366b2e
and place the definition in <machine/types.h>. This can now be used as a flag to indicate whether or not <machine/intr.h> can be included to get the generic soft interrupt API.
161 lines
4.8 KiB
C
161 lines
4.8 KiB
C
/* $NetBSD: comvar.h,v 1.39 2001/01/14 23:50:28 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1996 Christopher G. Demetriou. 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Christopher G. Demetriou
|
|
* for the NetBSD Project.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
|
|
*/
|
|
|
|
#include "rnd.h"
|
|
#include "opt_multiprocessor.h"
|
|
#include "opt_lockdebug.h"
|
|
#include "opt_com.h"
|
|
|
|
#if NRND > 0 && defined(RND_COM)
|
|
#include <sys/rnd.h>
|
|
#endif
|
|
|
|
#include <sys/callout.h>
|
|
#include <sys/timepps.h>
|
|
#if (defined(MULTIPROCESSOR) || defined(LOCKDEBUG)) && defined(COM_MPLOCK)
|
|
#include <sys/lock.h>
|
|
#endif
|
|
|
|
int comcnattach __P((bus_space_tag_t, bus_addr_t, int, int, tcflag_t));
|
|
|
|
#ifdef KGDB
|
|
int com_kgdb_attach __P((bus_space_tag_t, bus_addr_t, int, int, tcflag_t));
|
|
#endif
|
|
|
|
int com_is_console __P((bus_space_tag_t, bus_addr_t, bus_space_handle_t *));
|
|
|
|
/* Hardware flag masks */
|
|
#define COM_HW_NOIEN 0x01
|
|
#define COM_HW_FIFO 0x02
|
|
#define COM_HW_HAYESP 0x04
|
|
#define COM_HW_FLOW 0x08
|
|
#define COM_HW_DEV_OK 0x20
|
|
#define COM_HW_CONSOLE 0x40
|
|
#define COM_HW_KGDB 0x80
|
|
#define COM_HW_TXFIFO_DISABLE 0x100
|
|
|
|
/* Buffer size for character buffer */
|
|
#define COM_RING_SIZE 2048
|
|
|
|
struct com_softc {
|
|
struct device sc_dev;
|
|
void *sc_si;
|
|
struct tty *sc_tty;
|
|
|
|
struct callout sc_diag_callout;
|
|
|
|
bus_addr_t sc_iobase; /* XXX ISA-centric name */
|
|
int sc_frequency;
|
|
|
|
bus_space_tag_t sc_iot;
|
|
bus_space_handle_t sc_ioh;
|
|
bus_space_handle_t sc_hayespioh;
|
|
|
|
u_int sc_overflows,
|
|
sc_floods,
|
|
sc_errors;
|
|
|
|
int sc_hwflags,
|
|
sc_swflags;
|
|
u_int sc_fifolen;
|
|
|
|
u_int sc_r_hiwat,
|
|
sc_r_lowat;
|
|
u_char *volatile sc_rbget,
|
|
*volatile sc_rbput;
|
|
volatile u_int sc_rbavail;
|
|
u_char *sc_rbuf,
|
|
*sc_ebuf;
|
|
|
|
u_char *sc_tba;
|
|
u_int sc_tbc,
|
|
sc_heldtbc;
|
|
|
|
volatile u_char sc_rx_flags,
|
|
#define RX_TTY_BLOCKED 0x01
|
|
#define RX_TTY_OVERFLOWED 0x02
|
|
#define RX_IBUF_BLOCKED 0x04
|
|
#define RX_IBUF_OVERFLOWED 0x08
|
|
#define RX_ANY_BLOCK 0x0f
|
|
sc_tx_busy,
|
|
sc_tx_done,
|
|
sc_tx_stopped,
|
|
sc_st_check,
|
|
sc_rx_ready;
|
|
|
|
volatile u_char sc_heldchange;
|
|
volatile u_char sc_msr, sc_msr_delta, sc_msr_mask, sc_mcr,
|
|
sc_mcr_active, sc_lcr, sc_ier, sc_fifo, sc_dlbl, sc_dlbh, sc_efr;
|
|
u_char sc_mcr_dtr, sc_mcr_rts, sc_msr_cts, sc_msr_dcd;
|
|
|
|
/* power management hooks */
|
|
int (*enable) __P((struct com_softc *));
|
|
void (*disable) __P((struct com_softc *));
|
|
int enabled;
|
|
|
|
/* PPS signal on DCD, with or without inkernel clock disciplining */
|
|
u_char sc_ppsmask; /* pps signal mask */
|
|
u_char sc_ppsassert; /* pps leading edge */
|
|
u_char sc_ppsclear; /* pps trailing edge */
|
|
pps_info_t ppsinfo;
|
|
pps_params_t ppsparam;
|
|
|
|
#if NRND > 0 && defined(RND_COM)
|
|
rndsource_element_t rnd_source;
|
|
#endif
|
|
#if (defined(MULTIPROCESSOR) || defined(LOCKDEBUG)) && defined(COM_MPLOCK)
|
|
struct simplelock sc_lock;
|
|
#endif
|
|
};
|
|
|
|
/* Macros to clear/set/test flags. */
|
|
#define SET(t, f) (t) |= (f)
|
|
#define CLR(t, f) (t) &= ~(f)
|
|
#define ISSET(t, f) ((t) & (f))
|
|
|
|
int comprobe1 __P((bus_space_tag_t, bus_space_handle_t));
|
|
int comintr __P((void *));
|
|
void com_attach_subr __P((struct com_softc *));
|
|
int cominit __P((bus_space_tag_t, bus_addr_t, int, int, tcflag_t,
|
|
bus_space_handle_t *));
|
|
int com_detach __P((struct device *, int));
|
|
int com_activate __P((struct device *, enum devact));
|
|
|
|
#ifndef __HAVE_GENERIC_SOFT_INTERRUPTS
|
|
#ifdef __NO_SOFT_SERIAL_INTERRUPT
|
|
#define IPL_SERIAL IPL_TTY
|
|
#define splserial() spltty()
|
|
#define IPL_SOFTSERIAL IPL_TTY
|
|
#define splsoftserial() spltty()
|
|
#endif
|
|
#endif
|