tx39io.c revision 1.10
1 /* $NetBSD: tx39io.c,v 1.10 2002/01/28 05:40:58 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 #undef TX39IODEBUG 39 #include "opt_tx39_debug.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/device.h> 44 45 #include <machine/bus.h> 46 47 #include <hpcmips/tx/tx39var.h> 48 #include <hpcmips/tx/tx39icureg.h> 49 #define __TX39IO_PRIVATE 50 #include <hpcmips/tx/tx39iovar.h> 51 #include <hpcmips/tx/tx39ioreg.h> 52 53 #ifdef TX39IODEBUG 54 #define DPRINTF(arg) printf arg 55 #else 56 #define DPRINTF(arg) 57 #endif 58 59 #define ISSET(x, s) ((x) & (1 << (s))) 60 61 int tx39io_match(struct device *, struct cfdata *, void *); 62 void tx39io_attach(struct device *, struct device *, void *); 63 64 struct cfattach tx39io_ca = { 65 sizeof(struct tx39io_softc), tx39io_match, tx39io_attach 66 }; 67 68 /* IO/MFIO common */ 69 static void port_intr_disestablish(hpcio_chip_t, hpcio_intr_handle_t); 70 static void port_intr_clear(hpcio_chip_t, hpcio_intr_handle_t); 71 /* MFIO */ 72 static void *mfio_intr_establish(hpcio_chip_t, int, int, int (*)(void *), 73 void *); 74 static int mfio_in(hpcio_chip_t, int); 75 static void mfio_out(hpcio_chip_t, int, int); 76 static int mfio_intr_map(int *, int, int); 77 static void mfio_dump(hpcio_chip_t); 78 static void mfio_update(hpcio_chip_t); 79 /* IO */ 80 static void *io_intr_establish(hpcio_chip_t, int, int, int (*)(void *), 81 void *); 82 #ifdef TX391X 83 static int tx391x_io_in(hpcio_chip_t, int); 84 static void tx391x_io_out(hpcio_chip_t, int, int); 85 static void tx391x_io_update(hpcio_chip_t); 86 static int tx391x_io_intr_map(int *, int, int); 87 #endif 88 #ifdef TX392X 89 static int tx392x_io_in(hpcio_chip_t, int); 90 static void tx392x_io_out(hpcio_chip_t, int, int); 91 static void tx392x_io_update(hpcio_chip_t); 92 static int tx392x_io_intr_map(int *, int, int); 93 #endif 94 #if defined TX391X && defined TX392X 95 #define tx39_io_intr_map(t, s, p, m) \ 96 (IS_TX391X(t) 97 ? tx391x_io_intr_map(s, p, m) : tx392x_io_intr_map(s, p, m)) 98 #elif defined TX391X 99 #define tx39io_intr_map(t, s, p, m) tx391x_io_intr_map(s, p, m) 100 #elif defined TX392X 101 #define tx39io_intr_map(t, s, p, m) tx392x_io_intr_map(s, p, m) 102 #endif 103 static void io_dump(hpcio_chip_t); 104 105 static void __print_port_status(struct tx39io_port_status *, int); 106 107 int 108 tx39io_match(struct device *parent, struct cfdata *cf, void *aux) 109 { 110 return (ATTACH_FIRST); /* 1st attach group of txsim */ 111 } 112 113 void 114 tx39io_attach(struct device *parent, struct device *self, void *aux) 115 { 116 struct txsim_attach_args *ta = aux; 117 struct tx39io_softc *sc = (void *)self; 118 tx_chipset_tag_t tc; 119 struct hpcio_chip *io_hc = &sc->sc_io_ops; 120 struct hpcio_chip *mfio_hc = &sc->sc_mfio_ops; 121 122 tc = sc->sc_tc = ta->ta_tc; 123 124 printf("\n"); 125 sc->sc_stat_io_mask = ~(1 << 5); /* exclude Plum2 INT */ 126 sc->sc_stat_mfio_mask = ~(0x3|(0x3 << 23)); 127 128 /* IO */ 129 io_hc->hc_chipid = IO; 130 io_hc->hc_name = "IO"; 131 io_hc->hc_sc = sc; 132 io_hc->hc_intr_establish = io_intr_establish; 133 io_hc->hc_intr_disestablish = port_intr_disestablish; 134 io_hc->hc_intr_clear = port_intr_clear; 135 io_hc->hc_dump = io_dump; 136 if (IS_TX391X(tc)) { 137 #ifdef TX391X 138 io_hc->hc_portread = tx391x_io_in; 139 io_hc->hc_portwrite = tx391x_io_out; 140 io_hc->hc_update = tx391x_io_update; 141 #endif 142 } else if (IS_TX392X(tc)) { 143 #ifdef TX392X 144 io_hc->hc_portread = tx392x_io_in; 145 io_hc->hc_portwrite = tx392x_io_out; 146 io_hc->hc_update = tx392x_io_update; 147 #endif 148 } 149 tx_conf_register_ioman(tc, io_hc); 150 151 /* MFIO */ 152 mfio_hc->hc_chipid = MFIO; 153 mfio_hc->hc_name = "MFIO"; 154 mfio_hc->hc_sc = sc; 155 mfio_hc->hc_portread = mfio_in; 156 mfio_hc->hc_portwrite = mfio_out; 157 mfio_hc->hc_intr_establish = mfio_intr_establish; 158 mfio_hc->hc_intr_disestablish = port_intr_disestablish; 159 mfio_hc->hc_update = mfio_update; 160 mfio_hc->hc_dump = mfio_dump; 161 162 tx_conf_register_ioman(tc, mfio_hc); 163 164 hpcio_update(io_hc); 165 hpcio_update(mfio_hc); 166 167 #ifdef TX39IODEBUG 168 hpcio_dump(io_hc); 169 hpcio_dump(mfio_hc); 170 #else 171 printf("IO i0x%08x o0x%08x MFIO i0x%08x o0x%08x\n", 172 sc->sc_stat_io.in, sc->sc_stat_io.out, 173 sc->sc_stat_mfio.in, sc->sc_stat_mfio.out); 174 #endif 175 } 176 177 /* 178 * TX391X, TX392X common 179 */ 180 static void * 181 io_intr_establish(hpcio_chip_t arg, int port, int mode, int (*func)(void *), 182 void *func_arg) 183 { 184 struct tx39io_softc *sc = arg->hc_sc; 185 int src; 186 187 if (tx39io_intr_map(sc->sc_tc, &src, port, mode) != 0) 188 return (0); 189 190 return (tx_intr_establish(sc->sc_tc, src, IST_EDGE, IPL_CLOCK, func, 191 func_arg)); 192 } 193 194 static void * 195 mfio_intr_establish(hpcio_chip_t arg, int port, int mode, int (*func)(void *), 196 void *func_arg) 197 { 198 struct tx39io_softc *sc = arg->hc_sc; 199 int src; 200 201 if (mfio_intr_map(&src, port, mode) != 0) 202 return (0); 203 204 return (tx_intr_establish(sc->sc_tc, src, IST_EDGE, IPL_CLOCK, func, 205 func_arg)); 206 } 207 208 static void 209 port_intr_disestablish(hpcio_chip_t arg, void *ih) 210 { 211 struct tx39io_softc *sc = arg->hc_sc; 212 tx_intr_disestablish(sc->sc_tc, ih); 213 } 214 215 static void 216 port_intr_clear(hpcio_chip_t arg, void *ih) 217 { 218 } 219 220 static void 221 mfio_out(hpcio_chip_t arg, int port, int onoff) 222 { 223 struct tx39io_softc *sc = arg->hc_sc; 224 tx_chipset_tag_t tc; 225 txreg_t reg, pos; 226 227 DPRINTF(("%s: port #%d\n", __FUNCTION__, port)); 228 tc = sc->sc_tc; 229 /* MFIO */ 230 pos = 1 << port; 231 #ifdef DIAGNOSTIC 232 if (!(sc->sc_stat_mfio.dir & pos)) { 233 panic("%s: MFIO%d is not output port.\n", 234 sc->sc_dev.dv_xname, port); 235 } 236 #endif 237 reg = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG); 238 if (onoff) 239 reg |= pos; 240 else 241 reg &= ~pos; 242 tx_conf_write(tc, TX39_IOMFIODATAOUT_REG, reg); 243 } 244 245 static int 246 mfio_in(hpcio_chip_t arg, int port) 247 { 248 struct tx39io_softc *sc __attribute__((__unused__)) = arg->hc_sc ; 249 250 DPRINTF(("%s: port #%d\n", __FUNCTION__, port)); 251 return (tx_conf_read(sc->sc_tc, TX39_IOMFIODATAIN_REG) & (1 << port)); 252 } 253 254 static int 255 mfio_intr_map(int *src, int port, int mode) 256 { 257 258 if (mode & HPCIO_INTR_POSEDGE) { 259 *src = MAKEINTR(3, (1 << port)); 260 return (0); 261 } else if (mode & HPCIO_INTR_NEGEDGE) { 262 *src = MAKEINTR(4, (1 << port)); 263 return (0); 264 } 265 266 DPRINTF(("invalid interrupt mode.\n")); 267 268 return (1); 269 } 270 271 static void 272 mfio_update(hpcio_chip_t arg) 273 { 274 struct tx39io_softc *sc = arg->hc_sc; 275 tx_chipset_tag_t tc = sc->sc_tc; 276 struct tx39io_port_status *stat_mfio = &sc->sc_stat_mfio; 277 278 sc->sc_ostat_mfio = *stat_mfio; /* save old status */ 279 stat_mfio->dir = tx_conf_read(tc, TX39_IOMFIODATADIR_REG); 280 stat_mfio->in = tx_conf_read(tc, TX39_IOMFIODATAIN_REG); 281 stat_mfio->out = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG); 282 stat_mfio->power = tx_conf_read(tc, TX39_IOMFIOPOWERDWN_REG); 283 stat_mfio->u.select = tx_conf_read(tc, TX39_IOMFIODATASEL_REG); 284 } 285 286 #ifdef TX391X 287 /* 288 * TMPR3912 specific 289 */ 290 int 291 tx391x_io_in(hpcio_chip_t arg, int port) 292 { 293 struct tx39io_softc *sc __attribute__((__unused__)) = arg->hc_sc; 294 txreg_t reg = tx_conf_read(sc->sc_tc, TX39_IOCTRL_REG); 295 296 DPRINTF(("%s: port #%d\n", __FUNCTION__, port)); 297 return (TX391X_IOCTRL_IODIN(reg) & (1 << port)); 298 } 299 300 void 301 tx391x_io_out(hpcio_chip_t arg, int port, int onoff) 302 { 303 struct tx39io_softc *sc = arg->hc_sc; 304 tx_chipset_tag_t tc; 305 txreg_t reg, pos, iostat; 306 307 KASSERT(sc); 308 DPRINTF(("%s: port #%d\n", __FUNCTION__, port)); 309 310 tc = sc->sc_tc; 311 312 /* IO [0:6] */ 313 pos = 1 << port; 314 #ifdef DIAGNOSTIC 315 if (!(sc->sc_stat_io.dir & pos)) 316 panic("%s: IO%d is not output port.\n", sc->sc_dev.dv_xname, 317 port); 318 #endif 319 reg = tx_conf_read(tc, TX39_IOCTRL_REG); 320 iostat = TX391X_IOCTRL_IODOUT(reg); 321 if (onoff) 322 iostat |= pos; 323 else 324 iostat &= ~pos; 325 TX391X_IOCTRL_IODOUT_CLR(reg); 326 reg = TX391X_IOCTRL_IODOUT_SET(reg, iostat); 327 tx_conf_write(tc, TX39_IOCTRL_REG, reg); 328 } 329 330 void 331 tx391x_io_update(hpcio_chip_t arg) 332 { 333 struct tx39io_softc *sc = arg->hc_sc; 334 struct tx39io_port_status *stat_io = &sc->sc_stat_io; 335 tx_chipset_tag_t tc = sc->sc_tc; 336 txreg_t reg; 337 338 /* IO [0:6] */ 339 sc->sc_ostat_io = *stat_io; /* save old status */ 340 reg = tx_conf_read(tc, TX39_IOCTRL_REG); 341 stat_io->dir = TX391X_IOCTRL_IODIREC(reg); 342 stat_io->in = TX391X_IOCTRL_IODIN(reg); 343 stat_io->out = TX391X_IOCTRL_IODOUT(reg); 344 stat_io->u.debounce = TX391X_IOCTRL_IODEBSEL(reg); 345 reg = tx_conf_read(tc, TX39_IOIOPOWERDWN_REG); 346 stat_io->power = TX391X_IOIOPOWERDWN_IOPD(reg); 347 } 348 349 int 350 tx391x_io_intr_map(int *src, int port, int mode) 351 { 352 353 if (mode & HPCIO_INTR_POSEDGE) { 354 *src = MAKEINTR(5, (1 << (port + 7))); 355 return (0); 356 } else if (mode & HPCIO_INTR_NEGEDGE) { 357 *src = MAKEINTR(5, (1 << port)); 358 return (0); 359 } 360 361 DPRINTF(("invalid interrupt mode.\n")); 362 363 return (1); 364 } 365 #endif /* TX391X */ 366 367 #ifdef TX392X 368 /* 369 * TMPR3922 specific 370 */ 371 int 372 tx392x_io_in(hpcio_chip_t arg, int port) 373 { 374 struct tx39io_softc *sc __attribute__((__unused__)) = arg->hc_sc; 375 txreg_t reg = tx_conf_read(sc->sc_tc, TX392X_IODATAINOUT_REG); 376 377 DPRINTF(("%s: port #%d\n", __FUNCTION__, port)); 378 379 return (TX392X_IODATAINOUT_DIN(reg) & (1 << port)); 380 } 381 382 void 383 tx392x_io_out(hpcio_chip_t arg, int port, int onoff) 384 { 385 struct tx39io_softc *sc = arg->hc_sc; 386 #ifdef DIAGNOSTIC 387 const char *devname = sc->sc_dev.dv_xname; 388 #endif 389 tx_chipset_tag_t tc = sc->sc_tc; 390 txreg_t reg, pos, iostat; 391 392 DPRINTF(("%s: port #%d\n", __FUNCTION__, port)); 393 /* IO [0:15] */ 394 pos = 1 << port; 395 #ifdef DIAGNOSTIC 396 if (!(sc->sc_status.dir_io & pos)) 397 panic("%s: IO%d is not output port.\n", devname, port); 398 #endif 399 reg = tx_conf_read(tc, TX392X_IODATAINOUT_REG); 400 iostat = TX392X_IODATAINOUT_DOUT(reg); 401 if (onoff) 402 iostat |= pos; 403 else 404 iostat &= ~pos; 405 TX392X_IODATAINOUT_DOUT_CLR(reg); 406 reg = TX392X_IODATAINOUT_DOUT_SET(reg, iostat); 407 tx_conf_write(tc, TX392X_IODATAINOUT_REG, reg); 408 } 409 410 int 411 tx392x_io_intr_map(int *src, int port, int mode) 412 { 413 414 if (mode & HPCIO_INTR_POSEDGE) { 415 *src = MAKEINTR(8, (1 << (port + 16))); 416 return (0); 417 } else if (mode & HPCIO_INTR_NEGEDGE) { 418 *src = MAKEINTR(8, (1 << port)); 419 return (0); 420 } 421 422 DPRINTF(("invalid interrupt mode.\n")); 423 424 return (1); 425 } 426 427 void 428 tx392x_io_update(hpcio_chip_t arg) 429 { 430 struct tx39io_softc *sc = arg->hc_sc; 431 struct tx39io_port_status *stat_io = &sc->sc_stat_io; 432 tx_chipset_tag_t tc = sc->sc_tc; 433 txreg_t reg; 434 435 sc->sc_ostat_io = *stat_io; /* save old status */ 436 /* IO [0:15] */ 437 reg = tx_conf_read(tc, TX39_IOCTRL_REG); 438 stat_io->dir = TX392X_IOCTRL_IODIREC(reg); 439 stat_io->u.debounce = TX392X_IOCTRL_IODEBSEL(reg); 440 reg = tx_conf_read(tc, TX392X_IODATAINOUT_REG); 441 stat_io->in = TX392X_IODATAINOUT_DIN(reg); 442 stat_io->out = TX392X_IODATAINOUT_DOUT(reg); 443 reg = tx_conf_read(tc, TX39_IOIOPOWERDWN_REG); 444 stat_io->power = TX392X_IOIOPOWERDWN_IOPD(reg); 445 } 446 447 #endif /* TX392X */ 448 449 static const char *line = "--------------------------------------------------" 450 "------------\n"; 451 static void 452 mfio_dump(hpcio_chip_t arg) 453 { 454 struct tx39io_softc *sc = arg->hc_sc; 455 const struct tx39io_mfio_map *map = tx39io_get_mfio_map(tc); 456 struct tx39io_port_status *stat; 457 int i; 458 459 printf("%s", line); 460 stat = &sc->sc_stat_mfio; 461 for (i = TX39_IO_MFIO_MAX - 1; i >= 0 ; i--) { 462 /* MFIO port has power down state */ 463 printf("MFIO %2d: - ", i); 464 __print_port_status(stat, i); 465 printf(ISSET(stat->u.select, i) ? " MFIO(%s)\n" : " %s\n", 466 map[i].std_pin_name); 467 } 468 printf("%s", line); 469 } 470 471 static void 472 io_dump(hpcio_chip_t arg) 473 { 474 struct tx39io_softc *sc = arg->hc_sc; 475 struct tx39io_port_status *stat; 476 int i; 477 478 printf("%s Debounce Direction DataOut DataIn PowerDown Select" 479 "\n%s", line, line); 480 stat = &sc->sc_stat_io; 481 for (i = tx39io_get_io_max(tc) - 1; i >= 0 ; i--) { 482 /* IO port has debouncer */ 483 printf("IO %2d: %s ", i, 484 ISSET(stat->u.debounce, i) ? "On " : "Off"); 485 __print_port_status(stat, i); 486 printf(" -\n"); 487 } 488 } 489 490 static void 491 __print_port_status(struct tx39io_port_status *stat, int i) 492 { 493 printf("%s %d %d %s", 494 ISSET(stat->dir, i) ? "Out" : "In ", 495 ISSET(stat->out, i) ? 1 : 0, 496 ISSET(stat->in, i) ? 1 : 0, 497 ISSET(stat->power, i) ? "Down ": "Active"); 498 } 499 500
Indexes created Thu Oct 30 16:09:53 GMT 2025