1 /* $OpenBSD: comvar.h,v 1.61 2024/05/29 00:48:15 jsg Exp $ */ 2 /* $NetBSD: comvar.h,v 1.5 1996/05/05 19:50:47 christos Exp $ */ 3 4 /* 5 * Copyright (c) 1997 - 1998, Jason Downs. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS 17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 /* 29 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 1. Redistributions of source code must retain the above copyright 35 * notice, this list of conditions and the following disclaimer. 36 * 2. Redistributions in binary form must reproduce the above copyright 37 * notice, this list of conditions and the following disclaimer in the 38 * documentation and/or other materials provided with the distribution. 39 * 3. All advertising materials mentioning features or use of this software 40 * must display the following acknowledgement: 41 * This product includes software developed by Christopher G. Demetriou 42 * for the NetBSD Project. 43 * 4. The name of the author may not be used to endorse or promote products 44 * derived from this software without specific prior written permission 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 48 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 49 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 50 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 51 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 52 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 53 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 54 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 55 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 */ 57 58 #include <sys/timeout.h> 59 60 struct commulti_attach_args { 61 int ca_slave; /* slave number */ 62 63 bus_space_tag_t ca_iot; 64 bus_space_handle_t ca_ioh; 65 int ca_iobase; 66 int ca_noien; 67 }; 68 69 #define COM_IBUFSIZE (32 * 512) 70 #define COM_IHIGHWATER ((3 * COM_IBUFSIZE) / 4) 71 72 struct com_softc { 73 struct device sc_dev; 74 void *sc_ih; 75 bus_space_tag_t sc_iot; 76 struct tty *sc_tty; 77 struct timeout sc_dtr_tmo; 78 struct timeout sc_diag_tmo; 79 void *sc_si; 80 81 int sc_overflows; 82 int sc_floods; 83 int sc_errors; 84 85 int sc_halt; 86 87 bus_addr_t sc_iobase; 88 int sc_frequency; 89 90 bus_space_handle_t sc_ioh; 91 u_char sc_reg_width; 92 u_char sc_reg_shift; 93 94 u_char sc_uarttype; 95 #define COM_UART_UNKNOWN 0x00 /* unknown */ 96 #define COM_UART_8250 0x01 /* no fifo */ 97 #define COM_UART_16450 0x02 /* no fifo */ 98 #define COM_UART_16550 0x03 /* no working fifo */ 99 #define COM_UART_16550A 0x04 /* 16 byte fifo */ 100 #define COM_UART_ST16650 0x05 /* no working fifo */ 101 #define COM_UART_ST16650V2 0x06 /* 32 byte fifo */ 102 #define COM_UART_TI16750 0x07 /* 64 byte fifo */ 103 #define COM_UART_ST16C654 0x08 /* 64 bytes fifo */ 104 #define COM_UART_XR16850 0x10 /* 128 byte fifo */ 105 #define COM_UART_OX16C950 0x11 /* 128 byte fifo */ 106 #define COM_UART_XR17V35X 0x12 /* 256 byte fifo */ 107 #define COM_UART_DW_APB 0x13 /* configurable */ 108 109 u_char sc_hwflags; 110 #define COM_HW_NOIEN 0x01 111 #define COM_HW_FIFO 0x02 112 #define COM_HW_SIR 0x20 113 #define COM_HW_CONSOLE 0x40 114 u_char sc_swflags; 115 #define COM_SW_SOFTCAR 0x01 116 #define COM_SW_CLOCAL 0x02 117 #define COM_SW_CRTSCTS 0x04 118 #define COM_SW_MDMBUF 0x08 119 #define COM_SW_PPS 0x10 120 #define COM_SW_DEAD 0x20 121 int sc_fifolen; 122 u_char sc_msr, sc_mcr, sc_lcr, sc_ier; 123 u_char sc_dtr; 124 125 u_char sc_cua; 126 127 u_char sc_initialize; /* force initialization */ 128 129 u_char *sc_ibuf, *sc_ibufp, *sc_ibufhigh, *sc_ibufend; 130 u_char sc_ibufs[2][COM_IBUFSIZE]; 131 132 /* power management hooks */ 133 int (*enable)(struct com_softc *); 134 void (*disable)(struct com_softc *); 135 int enabled; 136 }; 137 138 uint8_t com_read_reg(struct com_softc *, bus_size_t); 139 void com_write_reg(struct com_softc *, bus_size_t, uint8_t); 140 141 int comprobe1(bus_space_tag_t, bus_space_handle_t); 142 int comstop(struct tty *, int); 143 int comintr(void *); 144 int com_detach(struct device *, int); 145 int com_activate(struct device *, int); 146 void com_resume(struct com_softc *); 147 148 void comdiag(void *); 149 int comspeed(long, long); 150 int comparam(struct tty *, struct termios *); 151 void comstart(struct tty *); 152 void comsoft(void *); 153 154 uint8_t comcn_read_reg(bus_size_t); 155 void comcn_write_reg(bus_size_t, uint8_t); 156 157 struct consdev; 158 int comcnattach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t); 159 void comcnprobe(struct consdev *); 160 void comcninit(struct consdev *); 161 int comcngetc(dev_t); 162 void comcnputc(dev_t, int); 163 void comcnpollc(dev_t, int); 164 void com_raisedtr(void *); 165 166 void com_attach_subr(struct com_softc *); 167 168 extern int comdefaultrate; 169 extern int comconsrate; 170 extern int comconsfreq; 171 extern bus_addr_t comconsaddr; 172 extern int comconsattached; 173 extern bus_space_tag_t comconsiot; 174 extern bus_space_handle_t comconsioh; 175 extern int comconsunit; 176 extern tcflag_t comconscflag; 177 extern u_char comcons_reg_width; 178 extern u_char comcons_reg_shift; 179