com_mca.c revision 1.2.2.4
1 1.2.2.4 nathanw /* $NetBSD: com_mca.c,v 1.2.2.4 2001/11/14 19:14:59 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /*- 4 1.2.2.2 nathanw * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 nathanw * by Charles M. Hannum. 9 1.2.2.2 nathanw * 10 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.2.2.2 nathanw * are met: 13 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 nathanw * must display the following acknowledgement: 20 1.2.2.2 nathanw * This product includes software developed by the NetBSD 21 1.2.2.2 nathanw * Foundation, Inc. and its contributors. 22 1.2.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 nathanw * contributors may be used to endorse or promote products derived 24 1.2.2.2 nathanw * from this software without specific prior written permission. 25 1.2.2.2 nathanw * 26 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 nathanw */ 38 1.2.2.2 nathanw 39 1.2.2.2 nathanw /*- 40 1.2.2.2 nathanw * Copyright (c) 1991 The Regents of the University of California. 41 1.2.2.2 nathanw * All rights reserved. 42 1.2.2.2 nathanw * 43 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 44 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 45 1.2.2.2 nathanw * are met: 46 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 47 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 48 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 49 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 50 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 51 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 52 1.2.2.2 nathanw * must display the following acknowledgement: 53 1.2.2.2 nathanw * This product includes software developed by the University of 54 1.2.2.2 nathanw * California, Berkeley and its contributors. 55 1.2.2.2 nathanw * 4. Neither the name of the University nor the names of its contributors 56 1.2.2.2 nathanw * may be used to endorse or promote products derived from this software 57 1.2.2.2 nathanw * without specific prior written permission. 58 1.2.2.2 nathanw * 59 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 1.2.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 1.2.2.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 1.2.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 1.2.2.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 1.2.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 1.2.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 1.2.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 1.2.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 1.2.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 1.2.2.2 nathanw * SUCH DAMAGE. 70 1.2.2.2 nathanw * 71 1.2.2.2 nathanw * @(#)com.c 7.5 (Berkeley) 5/16/91 72 1.2.2.2 nathanw */ 73 1.2.2.2 nathanw 74 1.2.2.2 nathanw /* 75 1.2.2.2 nathanw * This driver attaches serial port boards and internal modems. 76 1.2.2.2 nathanw */ 77 1.2.2.2 nathanw 78 1.2.2.4 nathanw #include <sys/cdefs.h> 79 1.2.2.4 nathanw __KERNEL_RCSID(0, "$NetBSD: com_mca.c,v 1.2.2.4 2001/11/14 19:14:59 nathanw Exp $"); 80 1.2.2.4 nathanw 81 1.2.2.2 nathanw #include <sys/param.h> 82 1.2.2.2 nathanw #include <sys/systm.h> 83 1.2.2.2 nathanw #include <sys/ioctl.h> 84 1.2.2.2 nathanw #include <sys/select.h> 85 1.2.2.2 nathanw #include <sys/tty.h> 86 1.2.2.2 nathanw #include <sys/proc.h> 87 1.2.2.2 nathanw #include <sys/user.h> 88 1.2.2.2 nathanw #include <sys/file.h> 89 1.2.2.2 nathanw #include <sys/uio.h> 90 1.2.2.2 nathanw #include <sys/kernel.h> 91 1.2.2.2 nathanw #include <sys/syslog.h> 92 1.2.2.2 nathanw #include <sys/types.h> 93 1.2.2.2 nathanw #include <sys/device.h> 94 1.2.2.2 nathanw 95 1.2.2.2 nathanw #include <machine/intr.h> 96 1.2.2.2 nathanw #include <machine/bus.h> 97 1.2.2.2 nathanw 98 1.2.2.2 nathanw #include <dev/ic/comreg.h> 99 1.2.2.2 nathanw #include <dev/ic/comvar.h> 100 1.2.2.2 nathanw 101 1.2.2.2 nathanw #include <dev/mca/mcavar.h> 102 1.2.2.2 nathanw #include <dev/mca/mcadevs.h> 103 1.2.2.2 nathanw 104 1.2.2.2 nathanw struct com_mca_softc { 105 1.2.2.2 nathanw struct com_softc sc_com; /* real "com" softc */ 106 1.2.2.2 nathanw 107 1.2.2.2 nathanw /* MCA-specific goo. */ 108 1.2.2.2 nathanw void *sc_ih; /* interrupt handler */ 109 1.2.2.2 nathanw }; 110 1.2.2.2 nathanw 111 1.2.2.2 nathanw int com_mca_probe __P((struct device *, struct cfdata *, void *)); 112 1.2.2.2 nathanw void com_mca_attach __P((struct device *, struct device *, void *)); 113 1.2.2.2 nathanw void com_mca_cleanup __P((void *)); 114 1.2.2.3 nathanw 115 1.2.2.2 nathanw static int ibm_modem_getcfg __P((struct mca_attach_args *, int *, int *)); 116 1.2.2.3 nathanw static int neocom1_getcfg __P((struct mca_attach_args *, int *, int *)); 117 1.2.2.3 nathanw static int ibm_mpcom_getcfg __P((struct mca_attach_args *, int *, int *)); 118 1.2.2.2 nathanw 119 1.2.2.2 nathanw struct cfattach com_mca_ca = { 120 1.2.2.2 nathanw sizeof(struct com_mca_softc), com_mca_probe, com_mca_attach 121 1.2.2.2 nathanw }; 122 1.2.2.2 nathanw 123 1.2.2.2 nathanw static const struct com_mca_product { 124 1.2.2.2 nathanw u_int32_t cp_prodid; /* MCA product ID */ 125 1.2.2.2 nathanw const char *cp_name; /* device name */ 126 1.2.2.2 nathanw int (*cp_getcfg) __P((struct mca_attach_args *, int *iobase, int *irq)); 127 1.2.2.2 nathanw /* get device i/o base and irq */ 128 1.2.2.2 nathanw } com_mca_products[] = { 129 1.2.2.2 nathanw { MCA_PRODUCT_IBM_MOD, "IBM Internal Modem", ibm_modem_getcfg }, 130 1.2.2.3 nathanw { MCA_PRODUCT_NEOCOM1, "NeoTecH Single RS-232 Async. Adapter, SM110", 131 1.2.2.3 nathanw neocom1_getcfg }, 132 1.2.2.3 nathanw { MCA_PRODUCT_IBM_MPCOM,"IBM Multi-Protocol Communications Adapter", 133 1.2.2.3 nathanw ibm_mpcom_getcfg }, 134 1.2.2.2 nathanw { 0, NULL, NULL }, 135 1.2.2.2 nathanw }; 136 1.2.2.2 nathanw 137 1.2.2.2 nathanw static const struct com_mca_product *com_mca_lookup __P((int)); 138 1.2.2.2 nathanw 139 1.2.2.2 nathanw static const struct com_mca_product * 140 1.2.2.2 nathanw com_mca_lookup(ma_id) 141 1.2.2.2 nathanw int ma_id; 142 1.2.2.2 nathanw { 143 1.2.2.2 nathanw const struct com_mca_product *cpp; 144 1.2.2.2 nathanw 145 1.2.2.2 nathanw for (cpp = com_mca_products; cpp->cp_name != NULL; cpp++) 146 1.2.2.2 nathanw if (cpp->cp_prodid == ma_id) 147 1.2.2.2 nathanw return (cpp); 148 1.2.2.2 nathanw 149 1.2.2.2 nathanw return (NULL); 150 1.2.2.2 nathanw } 151 1.2.2.2 nathanw 152 1.2.2.2 nathanw int 153 1.2.2.2 nathanw com_mca_probe(parent, match, aux) 154 1.2.2.2 nathanw struct device *parent; 155 1.2.2.2 nathanw struct cfdata *match; 156 1.2.2.2 nathanw void *aux; 157 1.2.2.2 nathanw { 158 1.2.2.2 nathanw struct mca_attach_args *ma = aux; 159 1.2.2.2 nathanw 160 1.2.2.2 nathanw if (com_mca_lookup(ma->ma_id)) 161 1.2.2.2 nathanw return (1); 162 1.2.2.2 nathanw 163 1.2.2.2 nathanw return (0); 164 1.2.2.2 nathanw } 165 1.2.2.2 nathanw 166 1.2.2.2 nathanw void 167 1.2.2.2 nathanw com_mca_attach(parent, self, aux) 168 1.2.2.2 nathanw struct device *parent, *self; 169 1.2.2.2 nathanw void *aux; 170 1.2.2.2 nathanw { 171 1.2.2.2 nathanw struct com_mca_softc *isc = (void *)self; 172 1.2.2.2 nathanw struct com_softc *sc = &isc->sc_com; 173 1.2.2.2 nathanw int iobase, irq; 174 1.2.2.2 nathanw struct mca_attach_args *ma = aux; 175 1.2.2.2 nathanw const struct com_mca_product *cpp; 176 1.2.2.2 nathanw 177 1.2.2.2 nathanw cpp = com_mca_lookup(ma->ma_id); 178 1.2.2.2 nathanw 179 1.2.2.2 nathanw /* get iobase and irq */ 180 1.2.2.3 nathanw if ((*cpp->cp_getcfg)(ma, &iobase, &irq)) 181 1.2.2.2 nathanw return; 182 1.2.2.2 nathanw 183 1.2.2.2 nathanw if (bus_space_map(ma->ma_iot, iobase, COM_NPORTS, 0, &sc->sc_ioh)) { 184 1.2.2.2 nathanw printf(": can't map i/o space\n"); 185 1.2.2.2 nathanw return; 186 1.2.2.2 nathanw } 187 1.2.2.2 nathanw 188 1.2.2.2 nathanw sc->sc_frequency = COM_FREQ; 189 1.2.2.2 nathanw sc->sc_iot = ma->ma_iot; 190 1.2.2.2 nathanw sc->sc_iobase = iobase; 191 1.2.2.2 nathanw 192 1.2.2.3 nathanw printf(" slot %d i/o %#x-%#x irq %d", ma->ma_slot + 1, 193 1.2.2.3 nathanw iobase, iobase + COM_NPORTS - 1, irq); 194 1.2.2.3 nathanw 195 1.2.2.2 nathanw com_attach_subr(sc); 196 1.2.2.2 nathanw 197 1.2.2.3 nathanw printf("%s: %s\n", sc->sc_dev.dv_xname, cpp->cp_name); 198 1.2.2.3 nathanw 199 1.2.2.2 nathanw isc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_SERIAL, 200 1.2.2.2 nathanw comintr, sc); 201 1.2.2.2 nathanw if (isc->sc_ih == NULL) { 202 1.2.2.2 nathanw printf("%s: couldn't establish interrupt handler\n", 203 1.2.2.2 nathanw sc->sc_dev.dv_xname); 204 1.2.2.2 nathanw return; 205 1.2.2.2 nathanw } 206 1.2.2.2 nathanw 207 1.2.2.2 nathanw /* 208 1.2.2.2 nathanw * Shutdown hook for buggy BIOSs that don't recognize the UART 209 1.2.2.2 nathanw * without a disabled FIFO. 210 1.2.2.2 nathanw * XXX is this necessary on MCA ? --- jdolecek 211 1.2.2.2 nathanw */ 212 1.2.2.2 nathanw if (shutdownhook_establish(com_mca_cleanup, sc) == NULL) 213 1.2.2.2 nathanw panic("com_mca_attach: could not establish shutdown hook"); 214 1.2.2.2 nathanw } 215 1.2.2.2 nathanw 216 1.2.2.2 nathanw void 217 1.2.2.2 nathanw com_mca_cleanup(arg) 218 1.2.2.2 nathanw void *arg; 219 1.2.2.2 nathanw { 220 1.2.2.2 nathanw struct com_softc *sc = arg; 221 1.2.2.2 nathanw 222 1.2.2.2 nathanw if (ISSET(sc->sc_hwflags, COM_HW_FIFO)) 223 1.2.2.2 nathanw bus_space_write_1(sc->sc_iot, sc->sc_ioh, com_fifo, 0); 224 1.2.2.2 nathanw } 225 1.2.2.2 nathanw 226 1.2.2.2 nathanw /* map serial_X to iobase and irq */ 227 1.2.2.2 nathanw static const struct { 228 1.2.2.2 nathanw int iobase; 229 1.2.2.2 nathanw int irq; 230 1.2.2.2 nathanw } MCA_SERIAL[] = { 231 1.2.2.2 nathanw { 0x03f8, 4 }, /* SERIAL_1 */ 232 1.2.2.2 nathanw { 0x02f8, 3 }, /* SERIAL_2 */ 233 1.2.2.2 nathanw { 0x3220, 3 }, /* SERIAL_3 */ 234 1.2.2.2 nathanw { 0x3228, 3 }, /* SERIAL_4 */ 235 1.2.2.2 nathanw { 0x4220, 3 }, /* SERIAL_5 */ 236 1.2.2.2 nathanw { 0x4228, 3 }, /* SERIAL_6 */ 237 1.2.2.2 nathanw { 0x5220, 3 }, /* SERIAL_7 */ 238 1.2.2.2 nathanw { 0x5228, 3 }, /* SERIAL_8 */ 239 1.2.2.2 nathanw }; 240 1.2.2.2 nathanw 241 1.2.2.2 nathanw /* 242 1.2.2.2 nathanw * Get config for IBM Internal Modem (ID 0xEDFF). This beast doesn't 243 1.2.2.2 nathanw * seem to support even AT commands, it's good as example for adding 244 1.2.2.2 nathanw * other stuff though. 245 1.2.2.2 nathanw */ 246 1.2.2.2 nathanw static int 247 1.2.2.2 nathanw ibm_modem_getcfg(ma, iobasep, irqp) 248 1.2.2.2 nathanw struct mca_attach_args *ma; 249 1.2.2.2 nathanw int *iobasep, *irqp; 250 1.2.2.2 nathanw { 251 1.2.2.2 nathanw int pos2; 252 1.2.2.2 nathanw int snum; 253 1.2.2.2 nathanw 254 1.2.2.2 nathanw pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); 255 1.2.2.2 nathanw 256 1.2.2.2 nathanw /* 257 1.2.2.2 nathanw * POS register 2: (adf pos0) 258 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0 259 1.2.2.2 nathanw * \__/ \__ enable: 0=adapter disabled, 1=adapter enabled 260 1.2.2.2 nathanw * \_____ Serial Configuration: XX=SERIAL_XX 261 1.2.2.2 nathanw */ 262 1.2.2.2 nathanw 263 1.2.2.2 nathanw snum = (pos2 & 0x0e) >> 1; 264 1.2.2.2 nathanw 265 1.2.2.2 nathanw *iobasep = MCA_SERIAL[snum].iobase; 266 1.2.2.2 nathanw *irqp = MCA_SERIAL[snum].irq; 267 1.2.2.2 nathanw 268 1.2.2.2 nathanw return (0); 269 1.2.2.2 nathanw } 270 1.2.2.3 nathanw 271 1.2.2.3 nathanw /* 272 1.2.2.3 nathanw * Get configuration for NeoTecH Single RS-232 Async. Adapter, SM110. 273 1.2.2.3 nathanw */ 274 1.2.2.3 nathanw static int 275 1.2.2.3 nathanw neocom1_getcfg(ma, iobasep, irqp) 276 1.2.2.3 nathanw struct mca_attach_args *ma; 277 1.2.2.3 nathanw int *iobasep, *irqp; 278 1.2.2.3 nathanw { 279 1.2.2.3 nathanw int pos2, pos3, pos4; 280 1.2.2.3 nathanw static const int neotech_irq[] = { 12, 9, 4, 3 }; 281 1.2.2.3 nathanw 282 1.2.2.3 nathanw pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); 283 1.2.2.3 nathanw pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); 284 1.2.2.3 nathanw pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 285 1.2.2.3 nathanw 286 1.2.2.3 nathanw /* 287 1.2.2.3 nathanw * POS register 2: (adf pos0) 288 1.2.2.3 nathanw * 7 6 5 4 3 2 1 0 289 1.2.2.3 nathanw * 1 \_/ \__ enable: 0=adapter disabled, 1=adapter enabled 290 1.2.2.3 nathanw * \____ IRQ: 11=3 10=4 01=9 00=12 291 1.2.2.3 nathanw * 292 1.2.2.3 nathanw * POS register 3: (adf pos1) 293 1.2.2.3 nathanw * 7 6 5 4 3 2 1 0 294 1.2.2.3 nathanw * \______/ 295 1.2.2.3 nathanw * \_________ I/O Address: bits 7-3 296 1.2.2.3 nathanw * 297 1.2.2.3 nathanw * POS register 4: (adf pos2) 298 1.2.2.3 nathanw * 7 6 5 4 3 2 1 0 299 1.2.2.3 nathanw * \_____________/ 300 1.2.2.3 nathanw * \__ I/O Address: bits 15-8 301 1.2.2.3 nathanw */ 302 1.2.2.3 nathanw 303 1.2.2.3 nathanw *iobasep = (pos4 << 8) | (pos3 & 0xf8); 304 1.2.2.3 nathanw *irqp = neotech_irq[(pos2 & 0x06) >> 1]; 305 1.2.2.3 nathanw 306 1.2.2.3 nathanw return (0); 307 1.2.2.3 nathanw } 308 1.2.2.3 nathanw 309 1.2.2.3 nathanw /* 310 1.2.2.3 nathanw * Get configuration for IBM Multi-Protocol Communications Adapter. 311 1.2.2.3 nathanw * We only support SERIAL mode, bail out if set to SDLC or BISYNC. 312 1.2.2.3 nathanw */ 313 1.2.2.3 nathanw static int 314 1.2.2.3 nathanw ibm_mpcom_getcfg(ma, iobasep, irqp) 315 1.2.2.3 nathanw struct mca_attach_args *ma; 316 1.2.2.3 nathanw int *iobasep, *irqp; 317 1.2.2.3 nathanw { 318 1.2.2.3 nathanw int snum, pos2; 319 1.2.2.3 nathanw 320 1.2.2.3 nathanw pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); 321 1.2.2.3 nathanw 322 1.2.2.3 nathanw /* 323 1.2.2.3 nathanw * For SERIAL mode, bit 4 has to be 0. 324 1.2.2.3 nathanw * 325 1.2.2.3 nathanw * POS register 2: (adf pos0) 326 1.2.2.3 nathanw * 7 6 5 4 3 2 1 0 327 1.2.2.3 nathanw * 0 \__/ \__ enable: 0=adapter disabled, 1=adapter enabled 328 1.2.2.3 nathanw * \_____ Serial Configuration: XX=SERIAL_XX 329 1.2.2.3 nathanw */ 330 1.2.2.3 nathanw 331 1.2.2.3 nathanw if (pos2 & 0x10) { 332 1.2.2.3 nathanw printf(": not set to SERIAL mode, ignored\n"); 333 1.2.2.3 nathanw return (1); 334 1.2.2.3 nathanw } 335 1.2.2.3 nathanw 336 1.2.2.3 nathanw snum = (pos2 & 0x0e) >> 1; 337 1.2.2.3 nathanw 338 1.2.2.3 nathanw *iobasep = MCA_SERIAL[snum].iobase; 339 1.2.2.3 nathanw *irqp = MCA_SERIAL[snum].irq; 340 1.2.2.3 nathanw 341 1.2.2.3 nathanw return (0); 342 1.2.2.3 nathanw } 343
Indexes created Fri Oct 31 11:10:07 GMT 2025