/* $OpenBSD: comvar.h,v 1.62 2026/04/06 10:27:53 kettenis 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 */ #define COM_UART_PXA2X0 0x14 /* 32 byte fifo */ 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); 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;
