1 /* $NetBSD: vrip.c,v 1.33 2007/12/15 00:39:18 perry Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2002 5 * Shin Takemura and PocketBSD Project. 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 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: vrip.c,v 1.33 2007/12/15 00:39:18 perry Exp $"); 35 36 #include "opt_vr41xx.h" 37 #include "opt_tx39xx.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 #include <sys/reboot.h> 43 44 #include <machine/cpu.h> 45 #include <machine/bus.h> 46 #include <machine/autoconf.h> 47 #include <machine/platid.h> 48 #include <machine/platid_mask.h> 49 50 #include <hpcmips/vr/vr.h> 51 #include <hpcmips/vr/vrcpudef.h> 52 #include <hpcmips/vr/vripunit.h> 53 #include <hpcmips/vr/vripif.h> 54 #include <hpcmips/vr/vripreg.h> 55 #include <hpcmips/vr/vripvar.h> 56 #include <hpcmips/vr/icureg.h> 57 #include <hpcmips/vr/cmureg.h> 58 #include "locators.h" 59 60 #ifdef VRIP_DEBUG 61 #define DPRINTF_ENABLE 62 #define DPRINTF_DEBUG vrip_debug 63 #endif 64 #define USE_HPC_DPRINTF 65 #include <machine/debug.h> 66 67 #ifdef VRIP_DEBUG 68 #define DBG_BIT_PRINT(reg) if (vrip_debug) dbg_bit_print(reg); 69 #define DUMP_LEVEL2MASK(sc,arg) if (vrip_debug) __vrip_dump_level2mask(sc,arg) 70 #else 71 #define DBG_BIT_PRINT(arg) 72 #define DUMP_LEVEL2MASK(sc,arg) 73 #endif 74 75 #define VALID_UNIT(sc, unit) (0 <= (unit) && (unit) < (sc)->sc_nunits) 76 77 #ifdef SINGLE_VRIP_BASE 78 int vripmatch(struct device *, struct cfdata *, void *); 79 void vripattach(struct device *, struct device *, void *); 80 #endif 81 int vrip_print(void *, const char *); 82 int vrip_search(struct device *, struct cfdata *, 83 const int *, void *); 84 int vrip_intr(void *, u_int32_t, u_int32_t); 85 86 int __vrip_power(vrip_chipset_tag_t, int, int); 87 vrip_intr_handle_t __vrip_intr_establish(vrip_chipset_tag_t, int, int, 88 int, int(*)(void*), void*); 89 void __vrip_intr_disestablish(vrip_chipset_tag_t, vrip_intr_handle_t); 90 void __vrip_intr_setmask1(vrip_chipset_tag_t, vrip_intr_handle_t, int); 91 void __vrip_intr_setmask2(vrip_chipset_tag_t, vrip_intr_handle_t, 92 u_int32_t, int); 93 void __vrip_intr_getstatus2(vrip_chipset_tag_t, vrip_intr_handle_t, 94 u_int32_t*); 95 void __vrip_register_cmu(vrip_chipset_tag_t, vrcmu_chipset_tag_t); 96 void __vrip_register_gpio(vrip_chipset_tag_t, hpcio_chip_t); 97 void __vrip_register_dmaau(vrip_chipset_tag_t, vrdmaau_chipset_tag_t); 98 void __vrip_register_dcu(vrip_chipset_tag_t, vrdcu_chipset_tag_t); 99 void __vrip_dump_level2mask(vrip_chipset_tag_t, void *); 100 101 struct vrip_softc *the_vrip_sc = NULL; 102 103 static const struct vrip_chipset_tag vrip_chipset_methods = { 104 .vc_power = __vrip_power, 105 .vc_intr_establish = __vrip_intr_establish, 106 .vc_intr_disestablish = __vrip_intr_disestablish, 107 .vc_intr_setmask1 = __vrip_intr_setmask1, 108 .vc_intr_setmask2 = __vrip_intr_setmask2, 109 .vc_intr_getstatus2 = __vrip_intr_getstatus2, 110 .vc_register_cmu = __vrip_register_cmu, 111 .vc_register_gpio = __vrip_register_gpio, 112 .vc_register_dmaau = __vrip_register_dmaau, 113 .vc_register_dcu = __vrip_register_dcu, 114 }; 115 116 #ifdef SINGLE_VRIP_BASE 117 CFATTACH_DECL(vrip, sizeof(struct vrip_softc), 118 vripmatch, vripattach, NULL, NULL); 119 120 static const struct vrip_unit vrip_units[] = { 121 [VRIP_UNIT_PMU] = { "pmu", 122 { VRIP_INTR_POWER, VRIP_INTR_BAT, }, }, 123 [VRIP_UNIT_RTC] = { "rtc", 124 { VRIP_INTR_RTCL1, }, }, 125 [VRIP_UNIT_PIU] = { "piu", 126 { VRIP_INTR_PIU, }, 127 CMUMASK_PIU, 128 ICUPIUINT_REG_W, MPIUINT_REG_W }, 129 [VRIP_UNIT_KIU] = { "kiu", 130 { VRIP_INTR_KIU, }, 131 CMUMASK_KIU, 132 KIUINT_REG_W, MKIUINT_REG_W }, 133 [VRIP_UNIT_SIU] = { "siu", 134 { VRIP_INTR_SIU, }, }, 135 [VRIP_UNIT_GIU] = { "giu", 136 { VRIP_INTR_GIU, }, 137 0, 138 GIUINT_L_REG_W,MGIUINT_L_REG_W, 139 GIUINT_H_REG_W, MGIUINT_H_REG_W }, 140 [VRIP_UNIT_LED] = { "led", 141 { VRIP_INTR_LED, }, }, 142 [VRIP_UNIT_AIU] = { "aiu", 143 { VRIP_INTR_AIU, }, 144 CMUMASK_AIU, 145 AIUINT_REG_W, MAIUINT_REG_W }, 146 [VRIP_UNIT_FIR] = { "fir", 147 { VRIP_INTR_FIR, }, 148 CMUMASK_FIR, 149 FIRINT_REG_W, MFIRINT_REG_W }, 150 [VRIP_UNIT_DSIU]= { "dsiu", 151 { VRIP_INTR_DSIU, }, 152 CMUMASK_DSIU, 153 DSIUINT_REG_W, MDSIUINT_REG_W }, 154 [VRIP_UNIT_PCIU]= { "pciu", 155 { VRIP_INTR_PCI, }, 156 CMUMASK_PCIU, 157 PCIINT_REG_W, MPCIINT_REG_W }, 158 [VRIP_UNIT_SCU] = { "scu", 159 { VRIP_INTR_SCU, }, 160 0, 161 SCUINT_REG_W, MSCUINT_REG_W }, 162 [VRIP_UNIT_CSI] = { "csi", 163 { VRIP_INTR_CSI, }, 164 CMUMASK_CSI, 165 CSIINT_REG_W, MCSIINT_REG_W }, 166 [VRIP_UNIT_BCU] = { "bcu", 167 { VRIP_INTR_BCU, }, 168 0, 169 BCUINT_REG_W, MBCUINT_REG_W }, 170 }; 171 172 void 173 vripattach(struct device *parent, struct device *self, void *aux) 174 { 175 struct vrip_softc *sc = (struct vrip_softc*)self; 176 177 printf("\n"); 178 179 sc->sc_units = vrip_units; 180 sc->sc_nunits = sizeof(vrip_units)/sizeof(struct vrip_unit); 181 sc->sc_icu_addr = VRIP_ICU_ADDR; 182 sc->sc_sysint2 = SYSINT2_REG_W; 183 sc->sc_msysint2 = MSYSINT2_REG_W; 184 185 vripattach_common(parent, self, aux); 186 } 187 #endif /* SINGLE_VRIP_BASE */ 188 189 int 190 vripmatch(struct device *parent, struct cfdata *match, void *aux) 191 { 192 struct mainbus_attach_args *ma = aux; 193 194 #if defined(SINGLE_VRIP_BASE) && defined(TX39XX) 195 if (!platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX)) 196 return (0); 197 #endif /* SINGLE_VRIP_BASE && TX39XX */ 198 if (strcmp(ma->ma_name, match->cf_name)) 199 return (0); 200 201 return (1); 202 } 203 204 void 205 vripattach_common(struct device *parent, struct device *self, void *aux) 206 { 207 struct mainbus_attach_args *ma = aux; 208 struct vrip_softc *sc = (struct vrip_softc*)self; 209 210 sc->sc_chipset = vrip_chipset_methods; /* structure assignment */ 211 sc->sc_chipset.vc_sc = sc; 212 213 #ifdef DIAGNOSTIC 214 if (sc->sc_icu_addr == 0 || 215 sc->sc_sysint2 == 0 || 216 sc->sc_msysint2 == 0) 217 panic("vripattach: missing register info."); 218 #endif /* DIAGNOSTIC */ 219 220 /* 221 * Map ICU (Interrupt Control Unit) register space. 222 */ 223 sc->sc_iot = ma->ma_iot; 224 if (bus_space_map(sc->sc_iot, sc->sc_icu_addr, 225 0x20 /*XXX lower area only*/, 226 0, /* no flags */ 227 &sc->sc_ioh)) { 228 printf("vripattach: can't map ICU register.\n"); 229 return; 230 } 231 232 /* 233 * Disable all Level 1 interrupts. 234 */ 235 sc->sc_intrmask = 0; 236 bus_space_write_2(sc->sc_iot, sc->sc_ioh, MSYSINT1_REG_W, 0x0000); 237 bus_space_write_2(sc->sc_iot, sc->sc_ioh, sc->sc_msysint2, 0x0000); 238 /* 239 * Level 1 interrupts are redirected to HwInt0 240 */ 241 vr_intr_establish(VR_INTR0, vrip_intr, self); 242 the_vrip_sc = sc; 243 /* 244 * Attach each devices 245 * GIU CMU DMAAU DCU interface interface is used by other system 246 * device. so attach first 247 */ 248 sc->sc_pri = 2; 249 config_search_ia(vrip_search, self, "vripif", vrip_print); 250 /* Other system devices. */ 251 sc->sc_pri = 1; 252 config_search_ia(vrip_search, self, "vripif", vrip_print); 253 } 254 255 int 256 vrip_print(void *aux, const char *hoge) 257 { 258 struct vrip_attach_args *va = (struct vrip_attach_args*)aux; 259 bus_addr_t endaddr, mask; 260 261 if (va->va_addr != VRIPIFCF_ADDR_DEFAULT) 262 aprint_normal(" addr 0x%08lx", va->va_addr); 263 if (va->va_size != VRIPIFCF_SIZE_DEFAULT) { 264 endaddr = (va->va_addr + va->va_size - 1); 265 mask = ((va->va_addr ^ endaddr) & 0xff0000) ? 0xffffff:0xffff; 266 aprint_normal("-%04lx", endaddr & mask); 267 } 268 if (va->va_addr2 != VRIPIFCF_ADDR2_DEFAULT) 269 aprint_normal(", 0x%08lx", va->va_addr2); 270 if (va->va_size2 != VRIPIFCF_SIZE2_DEFAULT) 271 aprint_normal("-%04lx", 272 (va->va_addr2 + va->va_size2 - 1) & 0xffff); 273 274 return (UNCONF); 275 } 276 277 int 278 vrip_search(struct device *parent, struct cfdata *cf, 279 const int *ldesc, void *aux) 280 { 281 struct vrip_softc *sc = (struct vrip_softc *)parent; 282 struct vrip_attach_args va; 283 platid_mask_t mask; 284 285 if (cf->cf_loc[VRIPIFCF_PLATFORM] != VRIPIFCF_PLATFORM_DEFAULT) { 286 mask = PLATID_DEREF(cf->cf_loc[VRIPIFCF_PLATFORM]); 287 if (platid_match(&platid, &mask) == 0) 288 return (0); 289 } 290 291 memset(&va, 0, sizeof(va)); 292 va.va_vc = &sc->sc_chipset; 293 va.va_iot = sc->sc_iot; 294 va.va_unit = cf->cf_loc[VRIPIFCF_UNIT]; 295 va.va_addr = cf->cf_loc[VRIPIFCF_ADDR]; 296 va.va_size = cf->cf_loc[VRIPIFCF_SIZE]; 297 va.va_addr2 = cf->cf_loc[VRIPIFCF_ADDR2]; 298 va.va_size2 = cf->cf_loc[VRIPIFCF_SIZE2]; 299 va.va_gpio_chips = sc->sc_gpio_chips; 300 va.va_cc = sc->sc_chipset.vc_cc; 301 va.va_ac = sc->sc_chipset.vc_ac; 302 va.va_dc = sc->sc_chipset.vc_dc; 303 if ((config_match(parent, cf, &va) == sc->sc_pri)) 304 config_attach(parent, cf, &va, vrip_print); 305 306 return (0); 307 } 308 309 int 310 __vrip_power(vrip_chipset_tag_t vc, int unit, int onoff) 311 { 312 struct vrip_softc *sc = vc->vc_sc; 313 const struct vrip_unit *vu; 314 315 if (sc->sc_chipset.vc_cc == NULL) 316 return (0); /* You have no clock mask unit yet. */ 317 if (!VALID_UNIT(sc, unit)) 318 return (0); 319 vu = &sc->sc_units[unit]; 320 321 return (*sc->sc_chipset.vc_cc->cc_clock)(sc->sc_chipset.vc_cc, 322 vu->vu_clkmask, onoff); 323 } 324 325 vrip_intr_handle_t 326 __vrip_intr_establish(vrip_chipset_tag_t vc, int unit, int line, int level, 327 int (*ih_fun)(void *), void *ih_arg) 328 { 329 struct vrip_softc *sc = vc->vc_sc; 330 const struct vrip_unit *vu; 331 struct intrhand *ih; 332 333 if (!VALID_UNIT(sc, unit)) 334 return (NULL); 335 vu = &sc->sc_units[unit]; 336 ih = &sc->sc_intrhands[vu->vu_intr[line]]; 337 if (ih->ih_fun) /* Can't share level 1 interrupt */ 338 return (NULL); 339 ih->ih_fun = ih_fun; 340 ih->ih_arg = ih_arg; 341 ih->ih_unit = vu; 342 343 /* Mask level 2 interrupt mask register. (disable interrupt) */ 344 vrip_intr_setmask2(vc, ih, ~0, 0); 345 /* Unmask Level 1 interrupt mask register (enable interrupt) */ 346 vrip_intr_setmask1(vc, ih, 1); 347 348 return ((void *)ih); 349 } 350 351 void 352 __vrip_intr_disestablish(vrip_chipset_tag_t vc, vrip_intr_handle_t handle) 353 { 354 struct intrhand *ih = handle; 355 356 ih->ih_fun = NULL; 357 ih->ih_arg = NULL; 358 /* Mask level 2 interrupt mask register(if any). (disable interrupt) */ 359 vrip_intr_setmask2(vc, ih, ~0, 0); 360 /* Mask Level 1 interrupt mask register (disable interrupt) */ 361 vrip_intr_setmask1(vc, ih, 0); 362 } 363 364 void 365 vrip_intr_suspend() 366 { 367 struct vrip_softc *sc = the_vrip_sc; 368 bus_space_tag_t iot = sc->sc_iot; 369 bus_space_handle_t ioh = sc->sc_ioh; 370 371 bus_space_write_2 (iot, ioh, MSYSINT1_REG_W, (1<<VRIP_INTR_POWER)); 372 bus_space_write_2 (iot, ioh, sc->sc_msysint2, 0); 373 } 374 375 void 376 vrip_intr_resume() 377 { 378 struct vrip_softc *sc = the_vrip_sc; 379 u_int32_t reg = sc->sc_intrmask; 380 bus_space_tag_t iot = sc->sc_iot; 381 bus_space_handle_t ioh = sc->sc_ioh; 382 383 bus_space_write_2 (iot, ioh, MSYSINT1_REG_W, reg & 0xffff); 384 bus_space_write_2 (iot, ioh, sc->sc_msysint2, (reg >> 16) & 0xffff); 385 } 386 387 /* Set level 1 interrupt mask. */ 388 void 389 __vrip_intr_setmask1(vrip_chipset_tag_t vc, vrip_intr_handle_t handle, 390 int enable) 391 { 392 struct vrip_softc *sc = vc->vc_sc; 393 struct intrhand *ih = handle; 394 int level1 = ih - sc->sc_intrhands; 395 bus_space_tag_t iot = sc->sc_iot; 396 bus_space_handle_t ioh = sc->sc_ioh; 397 u_int32_t reg = sc->sc_intrmask; 398 399 DPRINTF(("__vrip_intr_setmask1: SYSINT: %s %d\n", 400 enable ? "enable" : "disable", level1)); 401 reg = (bus_space_read_2 (iot, ioh, MSYSINT1_REG_W)&0xffff) | 402 ((bus_space_read_2 (iot, ioh, sc->sc_msysint2) << 16)&0xffff0000); 403 if (enable) 404 reg |= (1 << level1); 405 else { 406 reg &= ~(1 << level1); 407 } 408 sc->sc_intrmask = reg; 409 bus_space_write_2 (iot, ioh, MSYSINT1_REG_W, reg & 0xffff); 410 bus_space_write_2 (iot, ioh, sc->sc_msysint2, (reg >> 16) & 0xffff); 411 DBG_BIT_PRINT(reg); 412 413 return; 414 } 415 416 void 417 __vrip_dump_level2mask(vrip_chipset_tag_t vc, vrip_intr_handle_t handle) 418 { 419 struct vrip_softc *sc = vc->vc_sc; 420 struct intrhand *ih = handle; 421 const struct vrip_unit *vu = ih->ih_unit; 422 u_int32_t reg; 423 424 if (vu->vu_mlreg) { 425 DPRINTF(("level1[%d] level2 mask:", vu->vu_intr[0])); 426 reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg); 427 if (vu->vu_mhreg) { /* GIU [16:31] case only */ 428 reg |= (bus_space_read_2(sc->sc_iot, sc->sc_ioh, 429 vu->vu_mhreg) << 16); 430 dbg_bit_print(reg); 431 } else 432 dbg_bit_print(reg); 433 } 434 } 435 436 /* Get level 2 interrupt status */ 437 void 438 __vrip_intr_getstatus2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle, 439 u_int32_t *mask /* Level 2 mask */) 440 { 441 struct vrip_softc *sc = vc->vc_sc; 442 struct intrhand *ih = handle; 443 const struct vrip_unit *vu = ih->ih_unit; 444 u_int32_t reg; 445 446 reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, 447 vu->vu_lreg); 448 reg |= ((bus_space_read_2(sc->sc_iot, sc->sc_ioh, 449 vu->vu_hreg) << 16)&0xffff0000); 450 /* dbg_bit_print(reg);*/ 451 *mask = reg; 452 } 453 454 /* Set level 2 interrupt mask. */ 455 void 456 __vrip_intr_setmask2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle, 457 u_int32_t mask /* Level 2 mask */, int onoff) 458 { 459 struct vrip_softc *sc = vc->vc_sc; 460 struct intrhand *ih = handle; 461 const struct vrip_unit *vu = ih->ih_unit; 462 u_int16_t reg; 463 464 DPRINTF(("vrip_intr_setmask2:\n")); 465 DUMP_LEVEL2MASK(vc, handle); 466 #ifdef WINCE_DEFAULT_SETTING 467 #warning WINCE_DEFAULT_SETTING 468 #else 469 if (vu->vu_mlreg) { 470 reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg); 471 if (onoff) 472 reg |= (mask&0xffff); 473 else 474 reg &= ~(mask&0xffff); 475 bus_space_write_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg, reg); 476 if (vu->vu_mhreg != 0) { /* GIU [16:31] case only */ 477 reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, 478 vu->vu_mhreg); 479 if (onoff) 480 reg |= ((mask >> 16) & 0xffff); 481 else 482 reg &= ~((mask >> 16) & 0xffff); 483 bus_space_write_2(sc->sc_iot, sc->sc_ioh, 484 vu->vu_mhreg, reg); 485 } 486 } 487 #endif /* WINCE_DEFAULT_SETTING */ 488 DUMP_LEVEL2MASK(vc, handle); 489 490 return; 491 } 492 493 int 494 vrip_intr(void *arg, u_int32_t pc, u_int32_t statusReg) 495 { 496 struct vrip_softc *sc = (struct vrip_softc*)arg; 497 bus_space_tag_t iot = sc->sc_iot; 498 bus_space_handle_t ioh = sc->sc_ioh; 499 int i; 500 u_int32_t reg, mask; 501 /* 502 * Read level1 interrupt status. 503 */ 504 reg = (bus_space_read_2 (iot, ioh, SYSINT1_REG_W)&0xffff) | 505 ((bus_space_read_2 (iot, ioh, sc->sc_sysint2)<< 16)&0xffff0000); 506 mask = (bus_space_read_2 (iot, ioh, MSYSINT1_REG_W)&0xffff) | 507 ((bus_space_read_2 (iot, ioh, sc->sc_msysint2)<< 16)&0xffff0000); 508 reg &= mask; 509 510 /* 511 * Dispatch each handler. 512 */ 513 for (i = 0; i < 32; i++) { 514 register struct intrhand *ih = &sc->sc_intrhands[i]; 515 if (ih->ih_fun && (reg & (1 << i))) { 516 ih->ih_fun(ih->ih_arg); 517 } 518 } 519 520 return (1); 521 } 522 523 void 524 __vrip_register_cmu(vrip_chipset_tag_t vc, vrcmu_chipset_tag_t cmu) 525 { 526 struct vrip_softc *sc = vc->vc_sc; 527 528 sc->sc_chipset.vc_cc = cmu; 529 } 530 531 void 532 __vrip_register_gpio(vrip_chipset_tag_t vc, hpcio_chip_t chip) 533 { 534 struct vrip_softc *sc = vc->vc_sc; 535 536 if (chip->hc_chipid < 0 || VRIP_NIOCHIPS <= chip->hc_chipid) 537 panic("%s: '%s' has unknown id, %d", __func__, 538 chip->hc_name, chip->hc_chipid); 539 sc->sc_gpio_chips[chip->hc_chipid] = chip; 540 } 541 542 void 543 __vrip_register_dmaau(vrip_chipset_tag_t vc, vrdmaau_chipset_tag_t dmaau) 544 { 545 struct vrip_softc *sc = vc->vc_sc; 546 547 sc->sc_chipset.vc_ac = dmaau; 548 } 549 550 void 551 __vrip_register_dcu(vrip_chipset_tag_t vc, vrdcu_chipset_tag_t dcu) 552 { 553 struct vrip_softc *sc = vc->vc_sc; 554 555 sc->sc_chipset.vc_dc = dcu; 556 } 557