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/* $OpenBSD: comvar.h,v 1.60 2024/05/12 08:42:13 jsg Exp $ */
/* $NetBSD: comvar.h,v 1.5 1996/05/05 19:50:47 christos Exp $ */
/*
* Copyright (c) 1997 - 1998, Jason Downs. 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(S) ``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(S) 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.
*/
/*
* 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 <sys/timeout.h>
struct commulti_attach_args {
int ca_slave; /* slave number */
bus_space_tag_t ca_iot;
bus_space_handle_t ca_ioh;
int ca_iobase;
int ca_noien;
};
#define COM_IBUFSIZE (32 * 512)
#define COM_IHIGHWATER ((3 * COM_IBUFSIZE) / 4)
struct com_softc {
struct device sc_dev;
void *sc_ih;
bus_space_tag_t sc_iot;
struct tty *sc_tty;
struct timeout sc_dtr_tmo;
struct timeout sc_diag_tmo;
void *sc_si;
int sc_overflows;
int sc_floods;
int sc_errors;
int sc_halt;
bus_addr_t sc_iobase;
int sc_frequency;
bus_space_handle_t sc_ioh;
u_char sc_reg_width;
u_char sc_reg_shift;
u_char sc_uarttype;
#define COM_UART_UNKNOWN 0x00 /* unknown */
#define COM_UART_8250 0x01 /* no fifo */
#define COM_UART_16450 0x02 /* no fifo */
#define COM_UART_16550 0x03 /* no working fifo */
#define COM_UART_16550A 0x04 /* 16 byte fifo */
#define COM_UART_ST16650 0x05 /* no working fifo */
#define COM_UART_ST16650V2 0x06 /* 32 byte fifo */
#define COM_UART_TI16750 0x07 /* 64 byte fifo */
#define COM_UART_ST16C654 0x08 /* 64 bytes fifo */
#define COM_UART_XR16850 0x10 /* 128 byte fifo */
#define COM_UART_OX16C950 0x11 /* 128 byte fifo */
#define COM_UART_XR17V35X 0x12 /* 256 byte fifo */
#define COM_UART_DW_APB 0x13 /* configurable */
u_char sc_hwflags;
#define COM_HW_NOIEN 0x01
#define COM_HW_FIFO 0x02
#define COM_HW_SIR 0x20
#define COM_HW_CONSOLE 0x40
u_char sc_swflags;
#define COM_SW_SOFTCAR 0x01
#define COM_SW_CLOCAL 0x02
#define COM_SW_CRTSCTS 0x04
#define COM_SW_MDMBUF 0x08
#define COM_SW_PPS 0x10
#define COM_SW_DEAD 0x20
int sc_fifolen;
u_char sc_msr, sc_mcr, sc_lcr, sc_ier;
u_char sc_dtr;
u_char sc_cua;
u_char sc_initialize; /* force initialization */
u_char *sc_ibuf, *sc_ibufp, *sc_ibufhigh, *sc_ibufend;
u_char sc_ibufs[2][COM_IBUFSIZE];
/* power management hooks */
int (*enable)(struct com_softc *);
void (*disable)(struct com_softc *);
int enabled;
};
uint8_t com_read_reg(struct com_softc *, bus_size_t);
void com_write_reg(struct com_softc *, bus_size_t, uint8_t);
int comprobe1(bus_space_tag_t, bus_space_handle_t);
int comstop(struct tty *, int);
int comintr(void *);
int com_detach(struct device *, int);
int com_activate(struct device *, int);
void com_resume(struct com_softc *);
void comdiag(void *);
int comspeed(long, long);
u_char com_cflag2lcr(tcflag_t); /* XXX undefined */
int comparam(struct tty *, struct termios *);
void comstart(struct tty *);
void comsoft(void *);
uint8_t comcn_read_reg(bus_size_t);
void comcn_write_reg(bus_size_t, uint8_t);
struct consdev;
int comcnattach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t);
void comcnprobe(struct consdev *);
void comcninit(struct consdev *);
int comcngetc(dev_t);
void comcnputc(dev_t, int);
void comcnpollc(dev_t, int);
void com_raisedtr(void *);
void com_attach_subr(struct com_softc *);
extern int comdefaultrate;
extern int comconsrate;
extern int comconsfreq;
extern bus_addr_t comconsaddr;
extern int comconsattached;
extern bus_space_tag_t comconsiot;
extern bus_space_handle_t comconsioh;
extern int comconsunit;
extern tcflag_t comconscflag;
extern u_char comcons_reg_width;
extern u_char comcons_reg_shift;
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