pccbb.c revision 1.91
1 /* $NetBSD: pccbb.c,v 1.91 2003/10/23 00:04:03 briggs Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 1999 and 2000 5 * HAYAKAWA Koichi. 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by HAYAKAWA Koichi. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: pccbb.c,v 1.91 2003/10/23 00:04:03 briggs Exp $"); 35 36 /* 37 #define CBB_DEBUG 38 #define SHOW_REGS 39 #define PCCBB_PCMCIA_POLL 40 */ 41 /* #define CBB_DEBUG */ 42 43 /* 44 #define CB_PCMCIA_POLL 45 #define CB_PCMCIA_POLL_ONLY 46 #define LEVEL2 47 */ 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/kernel.h> 52 #include <sys/errno.h> 53 #include <sys/ioctl.h> 54 #include <sys/reboot.h> /* for bootverbose */ 55 #include <sys/syslog.h> 56 #include <sys/device.h> 57 #include <sys/malloc.h> 58 #include <sys/proc.h> 59 60 #include <machine/intr.h> 61 #include <machine/bus.h> 62 63 #include <dev/pci/pcivar.h> 64 #include <dev/pci/pcireg.h> 65 #include <dev/pci/pcidevs.h> 66 67 #include <dev/pci/pccbbreg.h> 68 69 #include <dev/cardbus/cardslotvar.h> 70 71 #include <dev/cardbus/cardbusvar.h> 72 73 #include <dev/pcmcia/pcmciareg.h> 74 #include <dev/pcmcia/pcmciavar.h> 75 76 #include <dev/ic/i82365reg.h> 77 #include <dev/ic/i82365var.h> 78 #include <dev/pci/pccbbvar.h> 79 80 #include "locators.h" 81 82 #ifndef __NetBSD_Version__ 83 struct cfdriver cbb_cd = { 84 NULL, "cbb", DV_DULL 85 }; 86 #endif 87 88 #ifdef CBB_DEBUG 89 #define DPRINTF(x) printf x 90 #define STATIC 91 #else 92 #define DPRINTF(x) 93 #define STATIC static 94 #endif 95 96 /* 97 * DELAY_MS() is a wait millisecond. It shall use instead of delay() 98 * if you want to wait more than 1 ms. 99 */ 100 #define DELAY_MS(time, param) \ 101 do { \ 102 if (cold == 0) { \ 103 int tick = (hz*(time))/1000; \ 104 \ 105 if (tick <= 1) { \ 106 tick = 2; \ 107 } \ 108 tsleep((void *)(param), PWAIT, "pccbb", tick); \ 109 } else { \ 110 delay((time)*1000); \ 111 } \ 112 } while (0) 113 114 int pcicbbmatch __P((struct device *, struct cfdata *, void *)); 115 void pccbbattach __P((struct device *, struct device *, void *)); 116 int pccbbintr __P((void *)); 117 static void pci113x_insert __P((void *)); 118 static int pccbbintr_function __P((struct pccbb_softc *)); 119 120 static int pccbb_detect_card __P((struct pccbb_softc *)); 121 122 static void pccbb_pcmcia_write __P((struct pcic_handle *, int, u_int8_t)); 123 static u_int8_t pccbb_pcmcia_read __P((struct pcic_handle *, int)); 124 #define Pcic_read(ph, reg) ((ph)->ph_read((ph), (reg))) 125 #define Pcic_write(ph, reg, val) ((ph)->ph_write((ph), (reg), (val))) 126 127 STATIC int cb_reset __P((struct pccbb_softc *)); 128 STATIC int cb_detect_voltage __P((struct pccbb_softc *)); 129 STATIC int cbbprint __P((void *, const char *)); 130 131 static int cb_chipset __P((u_int32_t, int *)); 132 STATIC void pccbb_pcmcia_attach_setup __P((struct pccbb_softc *, 133 struct pcmciabus_attach_args *)); 134 #if 0 135 STATIC void pccbb_pcmcia_attach_card __P((struct pcic_handle *)); 136 STATIC void pccbb_pcmcia_detach_card __P((struct pcic_handle *, int)); 137 STATIC void pccbb_pcmcia_deactivate_card __P((struct pcic_handle *)); 138 #endif 139 140 STATIC int pccbb_ctrl __P((cardbus_chipset_tag_t, int)); 141 STATIC int pccbb_power __P((cardbus_chipset_tag_t, int)); 142 STATIC int pccbb_cardenable __P((struct pccbb_softc * sc, int function)); 143 #if !rbus 144 static int pccbb_io_open __P((cardbus_chipset_tag_t, int, u_int32_t, 145 u_int32_t)); 146 static int pccbb_io_close __P((cardbus_chipset_tag_t, int)); 147 static int pccbb_mem_open __P((cardbus_chipset_tag_t, int, u_int32_t, 148 u_int32_t)); 149 static int pccbb_mem_close __P((cardbus_chipset_tag_t, int)); 150 #endif /* !rbus */ 151 static void *pccbb_intr_establish __P((struct pccbb_softc *, int irq, 152 int level, int (*ih) (void *), void *sc)); 153 static void pccbb_intr_disestablish __P((struct pccbb_softc *, void *ih)); 154 155 static void *pccbb_cb_intr_establish __P((cardbus_chipset_tag_t, int irq, 156 int level, int (*ih) (void *), void *sc)); 157 static void pccbb_cb_intr_disestablish __P((cardbus_chipset_tag_t ct, void *ih)); 158 159 static cardbustag_t pccbb_make_tag __P((cardbus_chipset_tag_t, int, int, int)); 160 static void pccbb_free_tag __P((cardbus_chipset_tag_t, cardbustag_t)); 161 static cardbusreg_t pccbb_conf_read __P((cardbus_chipset_tag_t, cardbustag_t, 162 int)); 163 static void pccbb_conf_write __P((cardbus_chipset_tag_t, cardbustag_t, int, 164 cardbusreg_t)); 165 static void pccbb_chipinit __P((struct pccbb_softc *)); 166 167 STATIC int pccbb_pcmcia_mem_alloc __P((pcmcia_chipset_handle_t, bus_size_t, 168 struct pcmcia_mem_handle *)); 169 STATIC void pccbb_pcmcia_mem_free __P((pcmcia_chipset_handle_t, 170 struct pcmcia_mem_handle *)); 171 STATIC int pccbb_pcmcia_mem_map __P((pcmcia_chipset_handle_t, int, bus_addr_t, 172 bus_size_t, struct pcmcia_mem_handle *, bus_addr_t *, int *)); 173 STATIC void pccbb_pcmcia_mem_unmap __P((pcmcia_chipset_handle_t, int)); 174 STATIC int pccbb_pcmcia_io_alloc __P((pcmcia_chipset_handle_t, bus_addr_t, 175 bus_size_t, bus_size_t, struct pcmcia_io_handle *)); 176 STATIC void pccbb_pcmcia_io_free __P((pcmcia_chipset_handle_t, 177 struct pcmcia_io_handle *)); 178 STATIC int pccbb_pcmcia_io_map __P((pcmcia_chipset_handle_t, int, bus_addr_t, 179 bus_size_t, struct pcmcia_io_handle *, int *)); 180 STATIC void pccbb_pcmcia_io_unmap __P((pcmcia_chipset_handle_t, int)); 181 STATIC void *pccbb_pcmcia_intr_establish __P((pcmcia_chipset_handle_t, 182 struct pcmcia_function *, int, int (*)(void *), void *)); 183 STATIC void pccbb_pcmcia_intr_disestablish __P((pcmcia_chipset_handle_t, 184 void *)); 185 STATIC void pccbb_pcmcia_socket_enable __P((pcmcia_chipset_handle_t)); 186 STATIC void pccbb_pcmcia_socket_disable __P((pcmcia_chipset_handle_t)); 187 STATIC int pccbb_pcmcia_card_detect __P((pcmcia_chipset_handle_t pch)); 188 189 static void pccbb_pcmcia_do_io_map __P((struct pcic_handle *, int)); 190 static int pccbb_pcmcia_wait_ready __P((struct pcic_handle *)); 191 static void pccbb_pcmcia_do_mem_map __P((struct pcic_handle *, int)); 192 static void pccbb_powerhook __P((int, void *)); 193 194 /* bus-space allocation and deallocation functions */ 195 #if rbus 196 197 static int pccbb_rbus_cb_space_alloc __P((cardbus_chipset_tag_t, rbus_tag_t, 198 bus_addr_t addr, bus_size_t size, bus_addr_t mask, bus_size_t align, 199 int flags, bus_addr_t * addrp, bus_space_handle_t * bshp)); 200 static int pccbb_rbus_cb_space_free __P((cardbus_chipset_tag_t, rbus_tag_t, 201 bus_space_handle_t, bus_size_t)); 202 203 #endif /* rbus */ 204 205 #if rbus 206 207 static int pccbb_open_win __P((struct pccbb_softc *, bus_space_tag_t, 208 bus_addr_t, bus_size_t, bus_space_handle_t, int flags)); 209 static int pccbb_close_win __P((struct pccbb_softc *, bus_space_tag_t, 210 bus_space_handle_t, bus_size_t)); 211 static int pccbb_winlist_insert __P((struct pccbb_win_chain_head *, bus_addr_t, 212 bus_size_t, bus_space_handle_t, int)); 213 static int pccbb_winlist_delete __P((struct pccbb_win_chain_head *, 214 bus_space_handle_t, bus_size_t)); 215 static void pccbb_winset __P((bus_addr_t align, struct pccbb_softc *, 216 bus_space_tag_t)); 217 void pccbb_winlist_show(struct pccbb_win_chain *); 218 219 #endif /* rbus */ 220 221 /* for config_defer */ 222 static void pccbb_pci_callback __P((struct device *)); 223 224 #if defined SHOW_REGS 225 static void cb_show_regs __P((pci_chipset_tag_t pc, pcitag_t tag, 226 bus_space_tag_t memt, bus_space_handle_t memh)); 227 #endif 228 229 CFATTACH_DECL(cbb_pci, sizeof(struct pccbb_softc), 230 pcicbbmatch, pccbbattach, NULL, NULL); 231 232 static struct pcmcia_chip_functions pccbb_pcmcia_funcs = { 233 pccbb_pcmcia_mem_alloc, 234 pccbb_pcmcia_mem_free, 235 pccbb_pcmcia_mem_map, 236 pccbb_pcmcia_mem_unmap, 237 pccbb_pcmcia_io_alloc, 238 pccbb_pcmcia_io_free, 239 pccbb_pcmcia_io_map, 240 pccbb_pcmcia_io_unmap, 241 pccbb_pcmcia_intr_establish, 242 pccbb_pcmcia_intr_disestablish, 243 pccbb_pcmcia_socket_enable, 244 pccbb_pcmcia_socket_disable, 245 pccbb_pcmcia_card_detect 246 }; 247 248 #if rbus 249 static struct cardbus_functions pccbb_funcs = { 250 pccbb_rbus_cb_space_alloc, 251 pccbb_rbus_cb_space_free, 252 pccbb_cb_intr_establish, 253 pccbb_cb_intr_disestablish, 254 pccbb_ctrl, 255 pccbb_power, 256 pccbb_make_tag, 257 pccbb_free_tag, 258 pccbb_conf_read, 259 pccbb_conf_write, 260 }; 261 #else 262 static struct cardbus_functions pccbb_funcs = { 263 pccbb_ctrl, 264 pccbb_power, 265 pccbb_mem_open, 266 pccbb_mem_close, 267 pccbb_io_open, 268 pccbb_io_close, 269 pccbb_cb_intr_establish, 270 pccbb_cb_intr_disestablish, 271 pccbb_make_tag, 272 pccbb_conf_read, 273 pccbb_conf_write, 274 }; 275 #endif 276 277 int 278 pcicbbmatch(parent, match, aux) 279 struct device *parent; 280 struct cfdata *match; 281 void *aux; 282 { 283 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 284 285 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE && 286 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_CARDBUS && 287 PCI_INTERFACE(pa->pa_class) == 0) { 288 return 1; 289 } 290 291 return 0; 292 } 293 294 #define MAKEID(vendor, prod) (((vendor) << PCI_VENDOR_SHIFT) \ 295 | ((prod) << PCI_PRODUCT_SHIFT)) 296 297 const struct yenta_chipinfo { 298 pcireg_t yc_id; /* vendor tag | product tag */ 299 int yc_chiptype; 300 int yc_flags; 301 } yc_chipsets[] = { 302 /* Texas Instruments chips */ 303 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1130), CB_TI113X, 304 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 305 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1131), CB_TI113X, 306 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 307 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1250), CB_TI12XX, 308 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 309 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1220), CB_TI12XX, 310 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 311 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1221), CB_TI12XX, 312 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 313 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1225), CB_TI12XX, 314 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 315 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1251), CB_TI12XX, 316 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 317 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1251B), CB_TI12XX, 318 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 319 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1211), CB_TI12XX, 320 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 321 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1410), CB_TI12XX, 322 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 323 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1420), CB_TI12XX, 324 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 325 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1450), CB_TI12XX, 326 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 327 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1451), CB_TI12XX, 328 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 329 { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI4410YENTA), CB_TI12XX, 330 PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, 331 332 /* Ricoh chips */ 333 { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C475), CB_RX5C47X, 334 PCCBB_PCMCIA_MEM_32}, 335 { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RL5C476), CB_RX5C47X, 336 PCCBB_PCMCIA_MEM_32}, 337 { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C477), CB_RX5C47X, 338 PCCBB_PCMCIA_MEM_32}, 339 { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C478), CB_RX5C47X, 340 PCCBB_PCMCIA_MEM_32}, 341 { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C465), CB_RX5C46X, 342 PCCBB_PCMCIA_MEM_32}, 343 { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C466), CB_RX5C46X, 344 PCCBB_PCMCIA_MEM_32}, 345 346 /* Toshiba products */ 347 { MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC95), 348 CB_TOPIC95, PCCBB_PCMCIA_MEM_32}, 349 { MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC95B), 350 CB_TOPIC95B, PCCBB_PCMCIA_MEM_32}, 351 { MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC97), 352 CB_TOPIC97, PCCBB_PCMCIA_MEM_32}, 353 { MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC100), 354 CB_TOPIC97, PCCBB_PCMCIA_MEM_32}, 355 356 /* Cirrus Logic products */ 357 { MAKEID(PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6832), 358 CB_CIRRUS, PCCBB_PCMCIA_MEM_32}, 359 { MAKEID(PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6833), 360 CB_CIRRUS, PCCBB_PCMCIA_MEM_32}, 361 362 /* sentinel, or Generic chip */ 363 { 0 /* null id */ , CB_UNKNOWN, PCCBB_PCMCIA_MEM_32}, 364 }; 365 366 static int 367 cb_chipset(pci_id, flagp) 368 u_int32_t pci_id; 369 int *flagp; 370 { 371 const struct yenta_chipinfo *yc; 372 373 /* Loop over except the last default entry. */ 374 for (yc = yc_chipsets; yc < yc_chipsets + 375 sizeof(yc_chipsets) / sizeof(yc_chipsets[0]) - 1; yc++) 376 if (pci_id == yc->yc_id) 377 break; 378 379 if (flagp != NULL) 380 *flagp = yc->yc_flags; 381 382 return (yc->yc_chiptype); 383 } 384 385 static void 386 pccbb_shutdown(void *arg) 387 { 388 struct pccbb_softc *sc = arg; 389 pcireg_t command; 390 391 DPRINTF(("%s: shutdown\n", sc->sc_dev.dv_xname)); 392 393 /* 394 * turn off power 395 * 396 * XXX - do not turn off power if chipset is TI 113X because 397 * only TI 1130 with PowerMac 2400 hangs in pccbb_power(). 398 */ 399 if (sc->sc_chipset != CB_TI113X) { 400 pccbb_power((cardbus_chipset_tag_t)sc, 401 CARDBUS_VCC_0V | CARDBUS_VPP_0V); 402 } 403 404 bus_space_write_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_MASK, 405 0); 406 407 command = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG); 408 409 command &= ~(PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 410 PCI_COMMAND_MASTER_ENABLE); 411 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, command); 412 413 } 414 415 void 416 pccbbattach(parent, self, aux) 417 struct device *parent; 418 struct device *self; 419 void *aux; 420 { 421 struct pccbb_softc *sc = (void *)self; 422 struct pci_attach_args *pa = aux; 423 pci_chipset_tag_t pc = pa->pa_pc; 424 pcireg_t busreg, reg, sock_base; 425 bus_addr_t sockbase; 426 char devinfo[256]; 427 int flags; 428 int pwrmgt_offs; 429 430 #ifdef __HAVE_PCCBB_ATTACH_HOOK 431 pccbb_attach_hook(parent, self, pa); 432 #endif 433 434 sc->sc_chipset = cb_chipset(pa->pa_id, &flags); 435 436 pci_devinfo(pa->pa_id, 0, 0, devinfo); 437 printf(": %s (rev. 0x%02x)", devinfo, PCI_REVISION(pa->pa_class)); 438 #ifdef CBB_DEBUG 439 printf(" (chipflags %x)", flags); 440 #endif 441 printf("\n"); 442 443 TAILQ_INIT(&sc->sc_memwindow); 444 TAILQ_INIT(&sc->sc_iowindow); 445 446 #if rbus 447 sc->sc_rbus_iot = rbus_pccbb_parent_io(pa); 448 sc->sc_rbus_memt = rbus_pccbb_parent_mem(pa); 449 450 #if 0 451 printf("pa->pa_memt: %08x vs rbus_mem->rb_bt: %08x\n", 452 pa->pa_memt, sc->sc_rbus_memt->rb_bt); 453 #endif 454 #endif /* rbus */ 455 456 sc->sc_flags &= ~CBB_MEMHMAPPED; 457 458 /* power management: set D0 state */ 459 sc->sc_pwrmgt_offs = 0; 460 if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PWRMGMT, 461 &pwrmgt_offs, 0)) { 462 reg = pci_conf_read(pc, pa->pa_tag, pwrmgt_offs + PCI_PMCSR); 463 if ((reg & PCI_PMCSR_STATE_MASK) != PCI_PMCSR_STATE_D0 || 464 reg & 0x100 /* PCI_PMCSR_PME_EN */) { 465 reg &= ~PCI_PMCSR_STATE_MASK; 466 reg |= PCI_PMCSR_STATE_D0; 467 reg &= ~(0x100 /* PCI_PMCSR_PME_EN */); 468 pci_conf_write(pc, pa->pa_tag, 469 pwrmgt_offs + PCI_PMCSR, reg); 470 } 471 472 sc->sc_pwrmgt_offs = pwrmgt_offs; 473 } 474 475 /* 476 * MAP socket registers and ExCA registers on memory-space 477 * When no valid address is set on socket base registers (on pci 478 * config space), get it not polite way. 479 */ 480 sock_base = pci_conf_read(pc, pa->pa_tag, PCI_SOCKBASE); 481 482 if (PCI_MAPREG_MEM_ADDR(sock_base) >= 0x100000 && 483 PCI_MAPREG_MEM_ADDR(sock_base) != 0xfffffff0) { 484 /* The address must be valid. */ 485 if (pci_mapreg_map(pa, PCI_SOCKBASE, PCI_MAPREG_TYPE_MEM, 0, 486 &sc->sc_base_memt, &sc->sc_base_memh, &sockbase, NULL)) { 487 printf("%s: can't map socket base address 0x%x\n", 488 sc->sc_dev.dv_xname, sock_base); 489 /* 490 * I think it's funny: socket base registers must be 491 * mapped on memory space, but ... 492 */ 493 if (pci_mapreg_map(pa, PCI_SOCKBASE, PCI_MAPREG_TYPE_IO, 494 0, &sc->sc_base_memt, &sc->sc_base_memh, &sockbase, 495 NULL)) { 496 printf("%s: can't map socket base address" 497 " 0x%lx: io mode\n", sc->sc_dev.dv_xname, 498 (unsigned long)sockbase); 499 /* give up... allocate reg space via rbus. */ 500 pci_conf_write(pc, pa->pa_tag, PCI_SOCKBASE, 0); 501 } else 502 sc->sc_flags |= CBB_MEMHMAPPED; 503 } else { 504 DPRINTF(("%s: socket base address 0x%lx\n", 505 sc->sc_dev.dv_xname, sockbase)); 506 sc->sc_flags |= CBB_MEMHMAPPED; 507 } 508 } 509 510 sc->sc_mem_start = 0; /* XXX */ 511 sc->sc_mem_end = 0xffffffff; /* XXX */ 512 513 /* 514 * When interrupt isn't routed correctly, give up probing cbb and do 515 * not kill pcic-compatible port. 516 */ 517 if ((0 == pa->pa_intrline) || (255 == pa->pa_intrline)) { 518 printf("%s: NOT USED because of unconfigured interrupt\n", 519 sc->sc_dev.dv_xname); 520 return; 521 } 522 523 /* 524 * When bus number isn't set correctly, give up using 32-bit CardBus 525 * mode. 526 */ 527 busreg = pci_conf_read(pc, pa->pa_tag, PCI_BUSNUM); 528 #if notyet 529 if (((busreg >> 8) & 0xff) == 0) { 530 printf("%s: CardBus support disabled because of unconfigured bus number\n", 531 sc->sc_dev.dv_xname); 532 flags |= PCCBB_PCMCIA_16BITONLY; 533 } 534 #endif 535 536 /* pccbb_machdep.c end */ 537 538 #if defined CBB_DEBUG 539 { 540 static char *intrname[5] = { "NON", "A", "B", "C", "D" }; 541 printf("%s: intrpin %s, intrtag %d\n", sc->sc_dev.dv_xname, 542 intrname[pa->pa_intrpin], pa->pa_intrline); 543 } 544 #endif 545 546 /* setup softc */ 547 sc->sc_pc = pc; 548 sc->sc_iot = pa->pa_iot; 549 sc->sc_memt = pa->pa_memt; 550 sc->sc_dmat = pa->pa_dmat; 551 sc->sc_tag = pa->pa_tag; 552 sc->sc_function = pa->pa_function; 553 sc->sc_sockbase = sock_base; 554 sc->sc_busnum = busreg; 555 556 memcpy(&sc->sc_pa, pa, sizeof(*pa)); 557 558 sc->sc_pcmcia_flags = flags; /* set PCMCIA facility */ 559 560 shutdownhook_establish(pccbb_shutdown, sc); 561 562 /* Disable legacy register mapping. */ 563 switch (sc->sc_chipset) { 564 case CB_RX5C46X: /* fallthrough */ 565 #if 0 566 /* The RX5C47X-series requires writes to the PCI_LEGACY register. */ 567 case CB_RX5C47X: 568 #endif 569 /* 570 * The legacy pcic io-port on Ricoh RX5C46X CardBus bridges 571 * cannot be disabled by substituting 0 into PCI_LEGACY 572 * register. Ricoh CardBus bridges have special bits on Bridge 573 * control reg (addr 0x3e on PCI config space). 574 */ 575 reg = pci_conf_read(pc, pa->pa_tag, PCI_BCR_INTR); 576 reg &= ~(CB_BCRI_RL_3E0_ENA | CB_BCRI_RL_3E2_ENA); 577 pci_conf_write(pc, pa->pa_tag, PCI_BCR_INTR, reg); 578 break; 579 580 default: 581 /* XXX I don't know proper way to kill legacy I/O. */ 582 pci_conf_write(pc, pa->pa_tag, PCI_LEGACY, 0x0); 583 break; 584 } 585 586 config_defer(self, pccbb_pci_callback); 587 } 588 589 590 591 592 /* 593 * static void pccbb_pci_callback(struct device *self) 594 * 595 * The actual attach routine: get memory space for YENTA register 596 * space, setup YENTA register and route interrupt. 597 * 598 * This function should be deferred because this device may obtain 599 * memory space dynamically. This function must avoid obtaining 600 * memory area which has already kept for another device. 601 */ 602 static void 603 pccbb_pci_callback(self) 604 struct device *self; 605 { 606 struct pccbb_softc *sc = (void *)self; 607 pci_chipset_tag_t pc = sc->sc_pc; 608 pci_intr_handle_t ih; 609 const char *intrstr = NULL; 610 bus_addr_t sockbase; 611 struct cbslot_attach_args cba; 612 struct pcmciabus_attach_args paa; 613 struct cardslot_attach_args caa; 614 struct cardslot_softc *csc; 615 616 if (!(sc->sc_flags & CBB_MEMHMAPPED)) { 617 /* The socket registers aren't mapped correctly. */ 618 #if rbus 619 if (rbus_space_alloc(sc->sc_rbus_memt, 0, 0x1000, 0x0fff, 620 (sc->sc_chipset == CB_RX5C47X 621 || sc->sc_chipset == CB_TI113X) ? 0x10000 : 0x1000, 622 0, &sockbase, &sc->sc_base_memh)) { 623 return; 624 } 625 sc->sc_base_memt = sc->sc_memt; 626 pci_conf_write(pc, sc->sc_tag, PCI_SOCKBASE, sockbase); 627 DPRINTF(("%s: CardBus resister address 0x%lx -> 0x%x\n", 628 sc->sc_dev.dv_xname, sockbase, pci_conf_read(pc, sc->sc_tag, 629 PCI_SOCKBASE))); 630 #else 631 sc->sc_base_memt = sc->sc_memt; 632 #if !defined CBB_PCI_BASE 633 #define CBB_PCI_BASE 0x20000000 634 #endif 635 if (bus_space_alloc(sc->sc_base_memt, CBB_PCI_BASE, 0xffffffff, 636 0x1000, 0x1000, 0, 0, &sockbase, &sc->sc_base_memh)) { 637 /* cannot allocate memory space */ 638 return; 639 } 640 pci_conf_write(pc, sc->sc_tag, PCI_SOCKBASE, sockbase); 641 DPRINTF(("%s: CardBus resister address 0x%x -> 0x%x\n", 642 sc->sc_dev.dv_xname, sock_base, pci_conf_read(pc, 643 sc->sc_tag, PCI_SOCKBASE))); 644 sc->sc_sockbase = sockbase; 645 #endif 646 sc->sc_flags |= CBB_MEMHMAPPED; 647 } 648 649 /* bus bridge initialization */ 650 pccbb_chipinit(sc); 651 652 /* clear data structure for child device interrupt handlers */ 653 LIST_INIT(&sc->sc_pil); 654 sc->sc_pil_intr_enable = 1; 655 656 /* Map and establish the interrupt. */ 657 if (pci_intr_map(&sc->sc_pa, &ih)) { 658 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 659 return; 660 } 661 intrstr = pci_intr_string(pc, ih); 662 663 /* 664 * XXX pccbbintr should be called under the priority lower 665 * than any other hard interrputs. 666 */ 667 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, pccbbintr, sc); 668 669 if (sc->sc_ih == NULL) { 670 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); 671 if (intrstr != NULL) { 672 printf(" at %s", intrstr); 673 } 674 printf("\n"); 675 return; 676 } 677 678 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 679 powerhook_establish(pccbb_powerhook, sc); 680 681 { 682 u_int32_t sockstat; 683 684 sockstat = bus_space_read_4(sc->sc_base_memt, 685 sc->sc_base_memh, CB_SOCKET_STAT); 686 if (0 == (sockstat & CB_SOCKET_STAT_CD)) { 687 sc->sc_flags |= CBB_CARDEXIST; 688 } 689 } 690 691 /* 692 * attach cardbus 693 */ 694 if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_16BITONLY)) { 695 pcireg_t busreg = pci_conf_read(pc, sc->sc_tag, PCI_BUSNUM); 696 pcireg_t bhlc = pci_conf_read(pc, sc->sc_tag, PCI_BHLC_REG); 697 698 /* initialize cbslot_attach */ 699 cba.cba_busname = "cardbus"; 700 cba.cba_iot = sc->sc_iot; 701 cba.cba_memt = sc->sc_memt; 702 cba.cba_dmat = sc->sc_dmat; 703 cba.cba_bus = (busreg >> 8) & 0x0ff; 704 cba.cba_cc = (void *)sc; 705 cba.cba_cf = &pccbb_funcs; 706 cba.cba_intrline = sc->sc_pa.pa_intrline; 707 708 #if rbus 709 cba.cba_rbus_iot = sc->sc_rbus_iot; 710 cba.cba_rbus_memt = sc->sc_rbus_memt; 711 #endif 712 713 cba.cba_cacheline = PCI_CACHELINE(bhlc); 714 cba.cba_lattimer = PCI_CB_LATENCY(busreg); 715 716 if (bootverbose) { 717 printf("%s: cacheline 0x%x lattimer 0x%x\n", 718 sc->sc_dev.dv_xname, cba.cba_cacheline, 719 cba.cba_lattimer); 720 printf("%s: bhlc 0x%x lscp 0x%x\n", 721 sc->sc_dev.dv_xname, bhlc, busreg); 722 } 723 #if defined SHOW_REGS 724 cb_show_regs(sc->sc_pc, sc->sc_tag, sc->sc_base_memt, 725 sc->sc_base_memh); 726 #endif 727 } 728 729 pccbb_pcmcia_attach_setup(sc, &paa); 730 caa.caa_cb_attach = NULL; 731 if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_16BITONLY)) { 732 caa.caa_cb_attach = &cba; 733 } 734 caa.caa_16_attach = &paa; 735 caa.caa_ph = &sc->sc_pcmcia_h; 736 737 if (NULL != (csc = (void *)config_found(self, &caa, cbbprint))) { 738 DPRINTF(("pccbbattach: found cardslot\n")); 739 sc->sc_csc = csc; 740 } 741 742 return; 743 } 744 745 746 747 748 749 /* 750 * static void pccbb_chipinit(struct pccbb_softc *sc) 751 * 752 * This function initialize YENTA chip registers listed below: 753 * 1) PCI command reg, 754 * 2) PCI and CardBus latency timer, 755 * 3) route PCI interrupt, 756 * 4) close all memory and io windows. 757 * 5) turn off bus power. 758 * 6) card detect interrupt on. 759 * 7) clear interrupt 760 */ 761 static void 762 pccbb_chipinit(sc) 763 struct pccbb_softc *sc; 764 { 765 pci_chipset_tag_t pc = sc->sc_pc; 766 pcitag_t tag = sc->sc_tag; 767 bus_space_tag_t bmt = sc->sc_base_memt; 768 bus_space_handle_t bmh = sc->sc_base_memh; 769 pcireg_t reg; 770 771 /* 772 * Set PCI command reg. 773 * Some laptop's BIOSes (i.e. TICO) do not enable CardBus chip. 774 */ 775 reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 776 /* I believe it is harmless. */ 777 reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 778 PCI_COMMAND_MASTER_ENABLE); 779 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, reg); 780 781 /* 782 * Set CardBus latency timer. 783 */ 784 reg = pci_conf_read(pc, tag, PCI_CB_LSCP_REG); 785 if (PCI_CB_LATENCY(reg) < 0x20) { 786 reg &= ~(PCI_CB_LATENCY_MASK << PCI_CB_LATENCY_SHIFT); 787 reg |= (0x20 << PCI_CB_LATENCY_SHIFT); 788 pci_conf_write(pc, tag, PCI_CB_LSCP_REG, reg); 789 } 790 DPRINTF(("CardBus latency timer 0x%x (%x)\n", 791 PCI_CB_LATENCY(reg), pci_conf_read(pc, tag, PCI_CB_LSCP_REG))); 792 793 /* 794 * Set PCI latency timer. 795 */ 796 reg = pci_conf_read(pc, tag, PCI_BHLC_REG); 797 if (PCI_LATTIMER(reg) < 0x10) { 798 reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); 799 reg |= (0x10 << PCI_LATTIMER_SHIFT); 800 pci_conf_write(pc, tag, PCI_BHLC_REG, reg); 801 } 802 DPRINTF(("PCI latency timer 0x%x (%x)\n", 803 PCI_LATTIMER(reg), pci_conf_read(pc, tag, PCI_BHLC_REG))); 804 805 806 /* Route functional interrupts to PCI. */ 807 reg = pci_conf_read(pc, tag, PCI_BCR_INTR); 808 reg |= CB_BCR_INTR_IREQ_ENABLE; /* disable PCI Intr */ 809 reg |= CB_BCR_WRITE_POST_ENABLE; /* enable write post */ 810 reg |= CB_BCR_RESET_ENABLE; /* assert reset */ 811 pci_conf_write(pc, tag, PCI_BCR_INTR, reg); 812 813 switch (sc->sc_chipset) { 814 case CB_TI113X: 815 reg = pci_conf_read(pc, tag, PCI_CBCTRL); 816 /* This bit is shared, but may read as 0 on some chips, so set 817 it explicitly on both functions. */ 818 reg |= PCI113X_CBCTRL_PCI_IRQ_ENA; 819 /* CSC intr enable */ 820 reg |= PCI113X_CBCTRL_PCI_CSC; 821 /* functional intr prohibit | prohibit ISA routing */ 822 reg &= ~(PCI113X_CBCTRL_PCI_INTR | PCI113X_CBCTRL_INT_MASK); 823 pci_conf_write(pc, tag, PCI_CBCTRL, reg); 824 break; 825 826 case CB_TI12XX: 827 reg = pci_conf_read(pc, tag, PCI_SYSCTRL); 828 reg |= PCI12XX_SYSCTRL_VCCPROT; 829 pci_conf_write(pc, tag, PCI_SYSCTRL, reg); 830 reg = pci_conf_read(pc, tag, PCI_CBCTRL); 831 reg |= PCI12XX_CBCTRL_CSC; 832 pci_conf_write(pc, tag, PCI_CBCTRL, reg); 833 break; 834 835 case CB_TOPIC95B: 836 reg = pci_conf_read(pc, tag, TOPIC_SOCKET_CTRL); 837 reg |= TOPIC_SOCKET_CTRL_SCR_IRQSEL; 838 pci_conf_write(pc, tag, TOPIC_SOCKET_CTRL, reg); 839 reg = pci_conf_read(pc, tag, TOPIC_SLOT_CTRL); 840 DPRINTF(("%s: topic slot ctrl reg 0x%x -> ", 841 sc->sc_dev.dv_xname, reg)); 842 reg |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN | 843 TOPIC_SLOT_CTRL_ID_LOCK | TOPIC_SLOT_CTRL_CARDBUS); 844 reg &= ~TOPIC_SLOT_CTRL_SWDETECT; 845 DPRINTF(("0x%x\n", reg)); 846 pci_conf_write(pc, tag, TOPIC_SLOT_CTRL, reg); 847 break; 848 849 case CB_TOPIC97: 850 reg = pci_conf_read(pc, tag, TOPIC_SLOT_CTRL); 851 DPRINTF(("%s: topic slot ctrl reg 0x%x -> ", 852 sc->sc_dev.dv_xname, reg)); 853 reg |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN | 854 TOPIC_SLOT_CTRL_ID_LOCK | TOPIC_SLOT_CTRL_CARDBUS); 855 reg &= ~TOPIC_SLOT_CTRL_SWDETECT; 856 reg |= TOPIC97_SLOT_CTRL_PCIINT; 857 reg &= ~(TOPIC97_SLOT_CTRL_STSIRQP | TOPIC97_SLOT_CTRL_IRQP); 858 DPRINTF(("0x%x\n", reg)); 859 pci_conf_write(pc, tag, TOPIC_SLOT_CTRL, reg); 860 /* make sure to assert LV card support bits */ 861 bus_space_write_1(sc->sc_base_memt, sc->sc_base_memh, 862 0x800 + 0x3e, 863 bus_space_read_1(sc->sc_base_memt, sc->sc_base_memh, 864 0x800 + 0x3e) | 0x03); 865 break; 866 } 867 868 /* Close all memory and I/O windows. */ 869 pci_conf_write(pc, tag, PCI_CB_MEMBASE0, 0xffffffff); 870 pci_conf_write(pc, tag, PCI_CB_MEMLIMIT0, 0); 871 pci_conf_write(pc, tag, PCI_CB_MEMBASE1, 0xffffffff); 872 pci_conf_write(pc, tag, PCI_CB_MEMLIMIT1, 0); 873 pci_conf_write(pc, tag, PCI_CB_IOBASE0, 0xffffffff); 874 pci_conf_write(pc, tag, PCI_CB_IOLIMIT0, 0); 875 pci_conf_write(pc, tag, PCI_CB_IOBASE1, 0xffffffff); 876 pci_conf_write(pc, tag, PCI_CB_IOLIMIT1, 0); 877 878 /* reset 16-bit pcmcia bus */ 879 bus_space_write_1(bmt, bmh, 0x800 + PCIC_INTR, 880 bus_space_read_1(bmt, bmh, 0x800 + PCIC_INTR) & ~PCIC_INTR_RESET); 881 882 /* turn off power */ 883 pccbb_power((cardbus_chipset_tag_t)sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); 884 885 /* CSC Interrupt: Card detect interrupt on */ 886 reg = bus_space_read_4(bmt, bmh, CB_SOCKET_MASK); 887 reg |= CB_SOCKET_MASK_CD; /* Card detect intr is turned on. */ 888 bus_space_write_4(bmt, bmh, CB_SOCKET_MASK, reg); 889 /* reset interrupt */ 890 bus_space_write_4(bmt, bmh, CB_SOCKET_EVENT, 891 bus_space_read_4(bmt, bmh, CB_SOCKET_EVENT)); 892 } 893 894 895 896 897 /* 898 * STATIC void pccbb_pcmcia_attach_setup(struct pccbb_softc *sc, 899 * struct pcmciabus_attach_args *paa) 900 * 901 * This function attaches 16-bit PCcard bus. 902 */ 903 STATIC void 904 pccbb_pcmcia_attach_setup(sc, paa) 905 struct pccbb_softc *sc; 906 struct pcmciabus_attach_args *paa; 907 { 908 struct pcic_handle *ph = &sc->sc_pcmcia_h; 909 #if rbus 910 rbus_tag_t rb; 911 #endif 912 913 /* initialize pcmcia part in pccbb_softc */ 914 ph->ph_parent = (struct device *)sc; 915 ph->sock = sc->sc_function; 916 ph->flags = 0; 917 ph->shutdown = 0; 918 ph->ih_irq = sc->sc_pa.pa_intrline; 919 ph->ph_bus_t = sc->sc_base_memt; 920 ph->ph_bus_h = sc->sc_base_memh; 921 ph->ph_read = pccbb_pcmcia_read; 922 ph->ph_write = pccbb_pcmcia_write; 923 sc->sc_pct = &pccbb_pcmcia_funcs; 924 925 /* 926 * We need to do a few things here: 927 * 1) Disable routing of CSC and functional interrupts to ISA IRQs by 928 * setting the IRQ numbers to 0. 929 * 2) Set bit 4 of PCIC_INTR, which is needed on some chips to enable 930 * routing of CSC interrupts (e.g. card removal) to PCI while in 931 * PCMCIA mode. We just leave this set all the time. 932 * 3) Enable card insertion/removal interrupts in case the chip also 933 * needs that while in PCMCIA mode. 934 * 4) Clear any pending CSC interrupt. 935 */ 936 Pcic_write(ph, PCIC_INTR, PCIC_INTR_ENABLE); 937 if (sc->sc_chipset == CB_TI113X) { 938 Pcic_write(ph, PCIC_CSC_INTR, 0); 939 } else { 940 Pcic_write(ph, PCIC_CSC_INTR, PCIC_CSC_INTR_CD_ENABLE); 941 Pcic_read(ph, PCIC_CSC); 942 } 943 944 /* initialize pcmcia bus attachment */ 945 paa->paa_busname = "pcmcia"; 946 paa->pct = sc->sc_pct; 947 paa->pch = ph; 948 paa->iobase = 0; /* I don't use them */ 949 paa->iosize = 0; 950 #if rbus 951 rb = ((struct pccbb_softc *)(ph->ph_parent))->sc_rbus_iot; 952 paa->iobase = rb->rb_start + rb->rb_offset; 953 paa->iosize = rb->rb_end - rb->rb_start; 954 #endif 955 956 return; 957 } 958 959 #if 0 960 STATIC void 961 pccbb_pcmcia_attach_card(ph) 962 struct pcic_handle *ph; 963 { 964 if (ph->flags & PCIC_FLAG_CARDP) { 965 panic("pccbb_pcmcia_attach_card: already attached"); 966 } 967 968 /* call the MI attach function */ 969 pcmcia_card_attach(ph->pcmcia); 970 971 ph->flags |= PCIC_FLAG_CARDP; 972 } 973 974 STATIC void 975 pccbb_pcmcia_detach_card(ph, flags) 976 struct pcic_handle *ph; 977 int flags; 978 { 979 if (!(ph->flags & PCIC_FLAG_CARDP)) { 980 panic("pccbb_pcmcia_detach_card: already detached"); 981 } 982 983 ph->flags &= ~PCIC_FLAG_CARDP; 984 985 /* call the MI detach function */ 986 pcmcia_card_detach(ph->pcmcia, flags); 987 } 988 #endif 989 990 /* 991 * int pccbbintr(arg) 992 * void *arg; 993 * This routine handles the interrupt from Yenta PCI-CardBus bridge 994 * itself. 995 */ 996 int 997 pccbbintr(arg) 998 void *arg; 999 { 1000 struct pccbb_softc *sc = (struct pccbb_softc *)arg; 1001 u_int32_t sockevent, sockstate; 1002 bus_space_tag_t memt = sc->sc_base_memt; 1003 bus_space_handle_t memh = sc->sc_base_memh; 1004 struct pcic_handle *ph = &sc->sc_pcmcia_h; 1005 1006 sockevent = bus_space_read_4(memt, memh, CB_SOCKET_EVENT); 1007 bus_space_write_4(memt, memh, CB_SOCKET_EVENT, sockevent); 1008 Pcic_read(ph, PCIC_CSC); 1009 1010 if (sockevent == 0) { 1011 /* This intr is not for me: it may be for my child devices. */ 1012 if (sc->sc_pil_intr_enable) { 1013 return pccbbintr_function(sc); 1014 } else { 1015 return 0; 1016 } 1017 } 1018 1019 if (sockevent & CB_SOCKET_EVENT_CD) { 1020 sockstate = bus_space_read_4(memt, memh, CB_SOCKET_STAT); 1021 if (0x00 != (sockstate & CB_SOCKET_STAT_CD)) { 1022 /* A card should be removed. */ 1023 if (sc->sc_flags & CBB_CARDEXIST) { 1024 DPRINTF(("%s: 0x%08x", sc->sc_dev.dv_xname, 1025 sockevent)); 1026 DPRINTF((" card removed, 0x%08x\n", sockstate)); 1027 sc->sc_flags &= ~CBB_CARDEXIST; 1028 if (sc->sc_csc->sc_status & 1029 CARDSLOT_STATUS_CARD_16) { 1030 #if 0 1031 struct pcic_handle *ph = 1032 &sc->sc_pcmcia_h; 1033 1034 pcmcia_card_deactivate(ph->pcmcia); 1035 pccbb_pcmcia_socket_disable(ph); 1036 pccbb_pcmcia_detach_card(ph, 1037 DETACH_FORCE); 1038 #endif 1039 cardslot_event_throw(sc->sc_csc, 1040 CARDSLOT_EVENT_REMOVAL_16); 1041 } else if (sc->sc_csc->sc_status & 1042 CARDSLOT_STATUS_CARD_CB) { 1043 /* Cardbus intr removed */ 1044 cardslot_event_throw(sc->sc_csc, 1045 CARDSLOT_EVENT_REMOVAL_CB); 1046 } 1047 } else if (sc->sc_flags & CBB_INSERTING) { 1048 sc->sc_flags &= ~CBB_INSERTING; 1049 callout_stop(&sc->sc_insert_ch); 1050 } 1051 } else if (0x00 == (sockstate & CB_SOCKET_STAT_CD) && 1052 /* 1053 * The pccbbintr may called from powerdown hook when 1054 * the system resumed, to detect the card 1055 * insertion/removal during suspension. 1056 */ 1057 (sc->sc_flags & CBB_CARDEXIST) == 0) { 1058 if (sc->sc_flags & CBB_INSERTING) { 1059 callout_stop(&sc->sc_insert_ch); 1060 } 1061 callout_reset(&sc->sc_insert_ch, hz / 5, 1062 pci113x_insert, sc); 1063 sc->sc_flags |= CBB_INSERTING; 1064 } 1065 } 1066 1067 return (1); 1068 } 1069 1070 /* 1071 * static int pccbbintr_function(struct pccbb_softc *sc) 1072 * 1073 * This function calls each interrupt handler registered at the 1074 * bridge. The interrupt handlers are called in registered order. 1075 */ 1076 static int 1077 pccbbintr_function(sc) 1078 struct pccbb_softc *sc; 1079 { 1080 int retval = 0, val; 1081 struct pccbb_intrhand_list *pil; 1082 int s, splchanged; 1083 1084 for (pil = LIST_FIRST(&sc->sc_pil); pil != NULL; 1085 pil = LIST_NEXT(pil, pil_next)) { 1086 /* 1087 * XXX priority change. gross. I use if-else 1088 * sentense instead of switch-case sentense because of 1089 * avoiding duplicate case value error. More than one 1090 * IPL_XXX use same value. It depends on 1091 * implimentation. 1092 */ 1093 splchanged = 1; 1094 if (pil->pil_level == IPL_SERIAL) { 1095 s = splserial(); 1096 } else if (pil->pil_level == IPL_HIGH) { 1097 s = splhigh(); 1098 } else if (pil->pil_level == IPL_CLOCK) { 1099 s = splclock(); 1100 } else if (pil->pil_level == IPL_AUDIO) { 1101 s = splaudio(); 1102 } else if (pil->pil_level == IPL_VM) { 1103 s = splvm(); 1104 } else if (pil->pil_level == IPL_TTY) { 1105 s = spltty(); 1106 } else if (pil->pil_level == IPL_SOFTSERIAL) { 1107 s = splsoftserial(); 1108 } else if (pil->pil_level == IPL_NET) { 1109 s = splnet(); 1110 } else { 1111 splchanged = 0; 1112 /* XXX: ih lower than IPL_BIO runs w/ IPL_BIO. */ 1113 } 1114 1115 val = (*pil->pil_func)(pil->pil_arg); 1116 1117 if (splchanged != 0) { 1118 splx(s); 1119 } 1120 1121 retval = retval == 1 ? 1 : 1122 retval == 0 ? val : val != 0 ? val : retval; 1123 } 1124 1125 return retval; 1126 } 1127 1128 static void 1129 pci113x_insert(arg) 1130 void *arg; 1131 { 1132 struct pccbb_softc *sc = (struct pccbb_softc *)arg; 1133 u_int32_t sockevent, sockstate; 1134 1135 if (!(sc->sc_flags & CBB_INSERTING)) { 1136 /* We add a card only under inserting state. */ 1137 return; 1138 } 1139 sc->sc_flags &= ~CBB_INSERTING; 1140 1141 sockevent = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, 1142 CB_SOCKET_EVENT); 1143 sockstate = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, 1144 CB_SOCKET_STAT); 1145 1146 if (0 == (sockstate & CB_SOCKET_STAT_CD)) { /* card exist */ 1147 DPRINTF(("%s: 0x%08x", sc->sc_dev.dv_xname, sockevent)); 1148 DPRINTF((" card inserted, 0x%08x\n", sockstate)); 1149 sc->sc_flags |= CBB_CARDEXIST; 1150 /* call pccard interrupt handler here */ 1151 if (sockstate & CB_SOCKET_STAT_16BIT) { 1152 /* 16-bit card found */ 1153 /* pccbb_pcmcia_attach_card(&sc->sc_pcmcia_h); */ 1154 cardslot_event_throw(sc->sc_csc, 1155 CARDSLOT_EVENT_INSERTION_16); 1156 } else if (sockstate & CB_SOCKET_STAT_CB) { 1157 /* cardbus card found */ 1158 /* cardbus_attach_card(sc->sc_csc); */ 1159 cardslot_event_throw(sc->sc_csc, 1160 CARDSLOT_EVENT_INSERTION_CB); 1161 } else { 1162 /* who are you? */ 1163 } 1164 } else { 1165 callout_reset(&sc->sc_insert_ch, hz / 10, 1166 pci113x_insert, sc); 1167 } 1168 } 1169 1170 #define PCCBB_PCMCIA_OFFSET 0x800 1171 static u_int8_t 1172 pccbb_pcmcia_read(ph, reg) 1173 struct pcic_handle *ph; 1174 int reg; 1175 { 1176 bus_space_barrier(ph->ph_bus_t, ph->ph_bus_h, 1177 PCCBB_PCMCIA_OFFSET + reg, 1, BUS_SPACE_BARRIER_READ); 1178 1179 return bus_space_read_1(ph->ph_bus_t, ph->ph_bus_h, 1180 PCCBB_PCMCIA_OFFSET + reg); 1181 } 1182 1183 static void 1184 pccbb_pcmcia_write(ph, reg, val) 1185 struct pcic_handle *ph; 1186 int reg; 1187 u_int8_t val; 1188 { 1189 bus_space_write_1(ph->ph_bus_t, ph->ph_bus_h, PCCBB_PCMCIA_OFFSET + reg, 1190 val); 1191 1192 bus_space_barrier(ph->ph_bus_t, ph->ph_bus_h, 1193 PCCBB_PCMCIA_OFFSET + reg, 1, BUS_SPACE_BARRIER_WRITE); 1194 } 1195 1196 /* 1197 * STATIC int pccbb_ctrl(cardbus_chipset_tag_t, int) 1198 */ 1199 STATIC int 1200 pccbb_ctrl(ct, command) 1201 cardbus_chipset_tag_t ct; 1202 int command; 1203 { 1204 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 1205 1206 switch (command) { 1207 case CARDBUS_CD: 1208 if (2 == pccbb_detect_card(sc)) { 1209 int retval = 0; 1210 int status = cb_detect_voltage(sc); 1211 if (PCCARD_VCC_5V & status) { 1212 retval |= CARDBUS_5V_CARD; 1213 } 1214 if (PCCARD_VCC_3V & status) { 1215 retval |= CARDBUS_3V_CARD; 1216 } 1217 if (PCCARD_VCC_XV & status) { 1218 retval |= CARDBUS_XV_CARD; 1219 } 1220 if (PCCARD_VCC_YV & status) { 1221 retval |= CARDBUS_YV_CARD; 1222 } 1223 return retval; 1224 } else { 1225 return 0; 1226 } 1227 case CARDBUS_RESET: 1228 return cb_reset(sc); 1229 case CARDBUS_IO_ENABLE: /* fallthrough */ 1230 case CARDBUS_IO_DISABLE: /* fallthrough */ 1231 case CARDBUS_MEM_ENABLE: /* fallthrough */ 1232 case CARDBUS_MEM_DISABLE: /* fallthrough */ 1233 case CARDBUS_BM_ENABLE: /* fallthrough */ 1234 case CARDBUS_BM_DISABLE: /* fallthrough */ 1235 /* XXX: I think we don't need to call this function below. */ 1236 return pccbb_cardenable(sc, command); 1237 } 1238 1239 return 0; 1240 } 1241 1242 /* 1243 * STATIC int pccbb_power(cardbus_chipset_tag_t, int) 1244 * This function returns true when it succeeds and returns false when 1245 * it fails. 1246 */ 1247 STATIC int 1248 pccbb_power(ct, command) 1249 cardbus_chipset_tag_t ct; 1250 int command; 1251 { 1252 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 1253 1254 u_int32_t status, sock_ctrl, reg_ctrl; 1255 bus_space_tag_t memt = sc->sc_base_memt; 1256 bus_space_handle_t memh = sc->sc_base_memh; 1257 1258 DPRINTF(("pccbb_power: %s and %s [%x]\n", 1259 (command & CARDBUS_VCCMASK) == CARDBUS_VCC_UC ? "CARDBUS_VCC_UC" : 1260 (command & CARDBUS_VCCMASK) == CARDBUS_VCC_5V ? "CARDBUS_VCC_5V" : 1261 (command & CARDBUS_VCCMASK) == CARDBUS_VCC_3V ? "CARDBUS_VCC_3V" : 1262 (command & CARDBUS_VCCMASK) == CARDBUS_VCC_XV ? "CARDBUS_VCC_XV" : 1263 (command & CARDBUS_VCCMASK) == CARDBUS_VCC_YV ? "CARDBUS_VCC_YV" : 1264 (command & CARDBUS_VCCMASK) == CARDBUS_VCC_0V ? "CARDBUS_VCC_0V" : 1265 "UNKNOWN", 1266 (command & CARDBUS_VPPMASK) == CARDBUS_VPP_UC ? "CARDBUS_VPP_UC" : 1267 (command & CARDBUS_VPPMASK) == CARDBUS_VPP_12V ? "CARDBUS_VPP_12V" : 1268 (command & CARDBUS_VPPMASK) == CARDBUS_VPP_VCC ? "CARDBUS_VPP_VCC" : 1269 (command & CARDBUS_VPPMASK) == CARDBUS_VPP_0V ? "CARDBUS_VPP_0V" : 1270 "UNKNOWN", command)); 1271 1272 status = bus_space_read_4(memt, memh, CB_SOCKET_STAT); 1273 sock_ctrl = bus_space_read_4(memt, memh, CB_SOCKET_CTRL); 1274 1275 switch (command & CARDBUS_VCCMASK) { 1276 case CARDBUS_VCC_UC: 1277 break; 1278 case CARDBUS_VCC_5V: 1279 if (CB_SOCKET_STAT_5VCARD & status) { /* check 5 V card */ 1280 sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK; 1281 sock_ctrl |= CB_SOCKET_CTRL_VCC_5V; 1282 } else { 1283 printf("%s: BAD voltage request: no 5 V card\n", 1284 sc->sc_dev.dv_xname); 1285 return 0; 1286 } 1287 break; 1288 case CARDBUS_VCC_3V: 1289 if (CB_SOCKET_STAT_3VCARD & status) { 1290 sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK; 1291 sock_ctrl |= CB_SOCKET_CTRL_VCC_3V; 1292 } else { 1293 printf("%s: BAD voltage request: no 3.3 V card\n", 1294 sc->sc_dev.dv_xname); 1295 return 0; 1296 } 1297 break; 1298 case CARDBUS_VCC_0V: 1299 sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK; 1300 break; 1301 default: 1302 return 0; /* power NEVER changed */ 1303 } 1304 1305 switch (command & CARDBUS_VPPMASK) { 1306 case CARDBUS_VPP_UC: 1307 break; 1308 case CARDBUS_VPP_0V: 1309 sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK; 1310 break; 1311 case CARDBUS_VPP_VCC: 1312 sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK; 1313 sock_ctrl |= ((sock_ctrl >> 4) & 0x07); 1314 break; 1315 case CARDBUS_VPP_12V: 1316 sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK; 1317 sock_ctrl |= CB_SOCKET_CTRL_VPP_12V; 1318 break; 1319 } 1320 1321 #if 0 1322 DPRINTF(("sock_ctrl: %x\n", sock_ctrl)); 1323 #endif 1324 bus_space_write_4(memt, memh, CB_SOCKET_CTRL, sock_ctrl); 1325 status = bus_space_read_4(memt, memh, CB_SOCKET_STAT); 1326 1327 if (status & CB_SOCKET_STAT_BADVCC) { /* bad Vcc request */ 1328 printf 1329 ("%s: bad Vcc request. sock_ctrl 0x%x, sock_status 0x%x\n", 1330 sc->sc_dev.dv_xname, sock_ctrl, status); 1331 DPRINTF(("pccbb_power: %s and %s [%x]\n", 1332 (command & CARDBUS_VCCMASK) == 1333 CARDBUS_VCC_UC ? "CARDBUS_VCC_UC" : (command & 1334 CARDBUS_VCCMASK) == 1335 CARDBUS_VCC_5V ? "CARDBUS_VCC_5V" : (command & 1336 CARDBUS_VCCMASK) == 1337 CARDBUS_VCC_3V ? "CARDBUS_VCC_3V" : (command & 1338 CARDBUS_VCCMASK) == 1339 CARDBUS_VCC_XV ? "CARDBUS_VCC_XV" : (command & 1340 CARDBUS_VCCMASK) == 1341 CARDBUS_VCC_YV ? "CARDBUS_VCC_YV" : (command & 1342 CARDBUS_VCCMASK) == 1343 CARDBUS_VCC_0V ? "CARDBUS_VCC_0V" : "UNKNOWN", 1344 (command & CARDBUS_VPPMASK) == 1345 CARDBUS_VPP_UC ? "CARDBUS_VPP_UC" : (command & 1346 CARDBUS_VPPMASK) == 1347 CARDBUS_VPP_12V ? "CARDBUS_VPP_12V" : (command & 1348 CARDBUS_VPPMASK) == 1349 CARDBUS_VPP_VCC ? "CARDBUS_VPP_VCC" : (command & 1350 CARDBUS_VPPMASK) == 1351 CARDBUS_VPP_0V ? "CARDBUS_VPP_0V" : "UNKNOWN", command)); 1352 #if 0 1353 if (command == (CARDBUS_VCC_0V | CARDBUS_VPP_0V)) { 1354 u_int32_t force = 1355 bus_space_read_4(memt, memh, CB_SOCKET_FORCE); 1356 /* Reset Bad Vcc request */ 1357 force &= ~CB_SOCKET_FORCE_BADVCC; 1358 bus_space_write_4(memt, memh, CB_SOCKET_FORCE, force); 1359 printf("new status 0x%x\n", bus_space_read_4(memt, memh, 1360 CB_SOCKET_STAT)); 1361 return 1; 1362 } 1363 #endif 1364 return 0; 1365 } 1366 1367 if (sc->sc_chipset == CB_TOPIC97) { 1368 reg_ctrl = pci_conf_read(sc->sc_pc, sc->sc_tag, TOPIC_REG_CTRL); 1369 reg_ctrl &= ~TOPIC97_REG_CTRL_TESTMODE; 1370 if ((command & CARDBUS_VCCMASK) == CARDBUS_VCC_0V) 1371 reg_ctrl &= ~TOPIC97_REG_CTRL_CLKRUN_ENA; 1372 else 1373 reg_ctrl |= TOPIC97_REG_CTRL_CLKRUN_ENA; 1374 pci_conf_write(sc->sc_pc, sc->sc_tag, TOPIC_REG_CTRL, reg_ctrl); 1375 } 1376 1377 /* 1378 * XXX delay 300 ms: though the standard defines that the Vcc set-up 1379 * time is 20 ms, some PC-Card bridge requires longer duration. 1380 */ 1381 #if 0 /* XXX called on interrupt context */ 1382 DELAY_MS(300, sc); 1383 #else 1384 delay(300 * 1000); 1385 #endif 1386 1387 return 1; /* power changed correctly */ 1388 } 1389 1390 #if defined CB_PCMCIA_POLL 1391 struct cb_poll_str { 1392 void *arg; 1393 int (*func) __P((void *)); 1394 int level; 1395 pccard_chipset_tag_t ct; 1396 int count; 1397 struct callout poll_ch; 1398 }; 1399 1400 static struct cb_poll_str cb_poll[10]; 1401 static int cb_poll_n = 0; 1402 1403 static void cb_pcmcia_poll __P((void *arg)); 1404 1405 static void 1406 cb_pcmcia_poll(arg) 1407 void *arg; 1408 { 1409 struct cb_poll_str *poll = arg; 1410 struct cbb_pcmcia_softc *psc = (void *)poll->ct->v; 1411 struct pccbb_softc *sc = psc->cpc_parent; 1412 int s; 1413 u_int32_t spsr; /* socket present-state reg */ 1414 1415 callout_reset(&poll->poll_ch, hz / 10, cb_pcmcia_poll, poll); 1416 switch (poll->level) { 1417 case IPL_NET: 1418 s = splnet(); 1419 break; 1420 case IPL_BIO: 1421 s = splbio(); 1422 break; 1423 case IPL_TTY: /* fallthrough */ 1424 default: 1425 s = spltty(); 1426 break; 1427 } 1428 1429 spsr = 1430 bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, 1431 CB_SOCKET_STAT); 1432 1433 #if defined CB_PCMCIA_POLL_ONLY && defined LEVEL2 1434 if (!(spsr & 0x40)) { /* CINT low */ 1435 #else 1436 if (1) { 1437 #endif 1438 if ((*poll->func) (poll->arg) == 1) { 1439 ++poll->count; 1440 printf("intr: reported from poller, 0x%x\n", spsr); 1441 #if defined LEVEL2 1442 } else { 1443 printf("intr: miss! 0x%x\n", spsr); 1444 #endif 1445 } 1446 } 1447 splx(s); 1448 } 1449 #endif /* defined CB_PCMCIA_POLL */ 1450 1451 /* 1452 * static int pccbb_detect_card(struct pccbb_softc *sc) 1453 * return value: 0 if no card exists. 1454 * 1 if 16-bit card exists. 1455 * 2 if cardbus card exists. 1456 */ 1457 static int 1458 pccbb_detect_card(sc) 1459 struct pccbb_softc *sc; 1460 { 1461 bus_space_handle_t base_memh = sc->sc_base_memh; 1462 bus_space_tag_t base_memt = sc->sc_base_memt; 1463 u_int32_t sockstat = 1464 bus_space_read_4(base_memt, base_memh, CB_SOCKET_STAT); 1465 int retval = 0; 1466 1467 /* CD1 and CD2 asserted */ 1468 if (0x00 == (sockstat & CB_SOCKET_STAT_CD)) { 1469 /* card must be present */ 1470 if (!(CB_SOCKET_STAT_NOTCARD & sockstat)) { 1471 /* NOTACARD DEASSERTED */ 1472 if (CB_SOCKET_STAT_CB & sockstat) { 1473 /* CardBus mode */ 1474 retval = 2; 1475 } else if (CB_SOCKET_STAT_16BIT & sockstat) { 1476 /* 16-bit mode */ 1477 retval = 1; 1478 } 1479 } 1480 } 1481 return retval; 1482 } 1483 1484 /* 1485 * STATIC int cb_reset(struct pccbb_softc *sc) 1486 * This function resets CardBus card. 1487 */ 1488 STATIC int 1489 cb_reset(sc) 1490 struct pccbb_softc *sc; 1491 { 1492 /* 1493 * Reset Assert at least 20 ms 1494 * Some machines request longer duration. 1495 */ 1496 int reset_duration = 1497 (sc->sc_chipset == CB_RX5C47X ? 400 : 40); 1498 u_int32_t bcr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR); 1499 1500 /* Reset bit Assert (bit 6 at 0x3E) */ 1501 bcr |= CB_BCR_RESET_ENABLE; 1502 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, bcr); 1503 DELAY_MS(reset_duration, sc); 1504 1505 if (CBB_CARDEXIST & sc->sc_flags) { /* A card exists. Reset it! */ 1506 /* Reset bit Deassert (bit 6 at 0x3E) */ 1507 bcr &= ~CB_BCR_RESET_ENABLE; 1508 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, bcr); 1509 DELAY_MS(reset_duration, sc); 1510 } 1511 /* No card found on the slot. Keep Reset. */ 1512 return 1; 1513 } 1514 1515 /* 1516 * STATIC int cb_detect_voltage(struct pccbb_softc *sc) 1517 * This function detect card Voltage. 1518 */ 1519 STATIC int 1520 cb_detect_voltage(sc) 1521 struct pccbb_softc *sc; 1522 { 1523 u_int32_t psr; /* socket present-state reg */ 1524 bus_space_tag_t iot = sc->sc_base_memt; 1525 bus_space_handle_t ioh = sc->sc_base_memh; 1526 int vol = PCCARD_VCC_UKN; /* set 0 */ 1527 1528 psr = bus_space_read_4(iot, ioh, CB_SOCKET_STAT); 1529 1530 if (0x400u & psr) { 1531 vol |= PCCARD_VCC_5V; 1532 } 1533 if (0x800u & psr) { 1534 vol |= PCCARD_VCC_3V; 1535 } 1536 1537 return vol; 1538 } 1539 1540 STATIC int 1541 cbbprint(aux, pcic) 1542 void *aux; 1543 const char *pcic; 1544 { 1545 /* 1546 struct cbslot_attach_args *cba = aux; 1547 1548 if (cba->cba_slot >= 0) { 1549 aprint_normal(" slot %d", cba->cba_slot); 1550 } 1551 */ 1552 return UNCONF; 1553 } 1554 1555 /* 1556 * STATIC int pccbb_cardenable(struct pccbb_softc *sc, int function) 1557 * This function enables and disables the card 1558 */ 1559 STATIC int 1560 pccbb_cardenable(sc, function) 1561 struct pccbb_softc *sc; 1562 int function; 1563 { 1564 u_int32_t command = 1565 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG); 1566 1567 DPRINTF(("pccbb_cardenable:")); 1568 switch (function) { 1569 case CARDBUS_IO_ENABLE: 1570 command |= PCI_COMMAND_IO_ENABLE; 1571 break; 1572 case CARDBUS_IO_DISABLE: 1573 command &= ~PCI_COMMAND_IO_ENABLE; 1574 break; 1575 case CARDBUS_MEM_ENABLE: 1576 command |= PCI_COMMAND_MEM_ENABLE; 1577 break; 1578 case CARDBUS_MEM_DISABLE: 1579 command &= ~PCI_COMMAND_MEM_ENABLE; 1580 break; 1581 case CARDBUS_BM_ENABLE: 1582 command |= PCI_COMMAND_MASTER_ENABLE; 1583 break; 1584 case CARDBUS_BM_DISABLE: 1585 command &= ~PCI_COMMAND_MASTER_ENABLE; 1586 break; 1587 default: 1588 return 0; 1589 } 1590 1591 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, command); 1592 DPRINTF((" command reg 0x%x\n", command)); 1593 return 1; 1594 } 1595 1596 #if !rbus 1597 /* 1598 * int pccbb_io_open(cardbus_chipset_tag_t, int, u_int32_t, u_int32_t) 1599 */ 1600 static int 1601 pccbb_io_open(ct, win, start, end) 1602 cardbus_chipset_tag_t ct; 1603 int win; 1604 u_int32_t start, end; 1605 { 1606 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 1607 int basereg; 1608 int limitreg; 1609 1610 if ((win < 0) || (win > 2)) { 1611 #if defined DIAGNOSTIC 1612 printf("cardbus_io_open: window out of range %d\n", win); 1613 #endif 1614 return 0; 1615 } 1616 1617 basereg = win * 8 + 0x2c; 1618 limitreg = win * 8 + 0x30; 1619 1620 DPRINTF(("pccbb_io_open: 0x%x[0x%x] - 0x%x[0x%x]\n", 1621 start, basereg, end, limitreg)); 1622 1623 pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, start); 1624 pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, end); 1625 return 1; 1626 } 1627 1628 /* 1629 * int pccbb_io_close(cardbus_chipset_tag_t, int) 1630 */ 1631 static int 1632 pccbb_io_close(ct, win) 1633 cardbus_chipset_tag_t ct; 1634 int win; 1635 { 1636 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 1637 int basereg; 1638 int limitreg; 1639 1640 if ((win < 0) || (win > 2)) { 1641 #if defined DIAGNOSTIC 1642 printf("cardbus_io_close: window out of range %d\n", win); 1643 #endif 1644 return 0; 1645 } 1646 1647 basereg = win * 8 + 0x2c; 1648 limitreg = win * 8 + 0x30; 1649 1650 pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, 0); 1651 pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, 0); 1652 return 1; 1653 } 1654 1655 /* 1656 * int pccbb_mem_open(cardbus_chipset_tag_t, int, u_int32_t, u_int32_t) 1657 */ 1658 static int 1659 pccbb_mem_open(ct, win, start, end) 1660 cardbus_chipset_tag_t ct; 1661 int win; 1662 u_int32_t start, end; 1663 { 1664 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 1665 int basereg; 1666 int limitreg; 1667 1668 if ((win < 0) || (win > 2)) { 1669 #if defined DIAGNOSTIC 1670 printf("cardbus_mem_open: window out of range %d\n", win); 1671 #endif 1672 return 0; 1673 } 1674 1675 basereg = win * 8 + 0x1c; 1676 limitreg = win * 8 + 0x20; 1677 1678 pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, start); 1679 pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, end); 1680 return 1; 1681 } 1682 1683 /* 1684 * int pccbb_mem_close(cardbus_chipset_tag_t, int) 1685 */ 1686 static int 1687 pccbb_mem_close(ct, win) 1688 cardbus_chipset_tag_t ct; 1689 int win; 1690 { 1691 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 1692 int basereg; 1693 int limitreg; 1694 1695 if ((win < 0) || (win > 2)) { 1696 #if defined DIAGNOSTIC 1697 printf("cardbus_mem_close: window out of range %d\n", win); 1698 #endif 1699 return 0; 1700 } 1701 1702 basereg = win * 8 + 0x1c; 1703 limitreg = win * 8 + 0x20; 1704 1705 pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, 0); 1706 pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, 0); 1707 return 1; 1708 } 1709 #endif 1710 1711 /* 1712 * static void *pccbb_cb_intr_establish(cardbus_chipset_tag_t ct, 1713 * int irq, 1714 * int level, 1715 * int (* func) __P((void *)), 1716 * void *arg) 1717 * 1718 * This function registers an interrupt handler at the bridge, in 1719 * order not to call the interrupt handlers of child devices when 1720 * a card-deletion interrupt occurs. 1721 * 1722 * The arguments irq and level are not used. 1723 */ 1724 static void * 1725 pccbb_cb_intr_establish(ct, irq, level, func, arg) 1726 cardbus_chipset_tag_t ct; 1727 int irq, level; 1728 int (*func) __P((void *)); 1729 void *arg; 1730 { 1731 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 1732 1733 return pccbb_intr_establish(sc, irq, level, func, arg); 1734 } 1735 1736 1737 /* 1738 * static void *pccbb_cb_intr_disestablish(cardbus_chipset_tag_t ct, 1739 * void *ih) 1740 * 1741 * This function removes an interrupt handler pointed by ih. 1742 */ 1743 static void 1744 pccbb_cb_intr_disestablish(ct, ih) 1745 cardbus_chipset_tag_t ct; 1746 void *ih; 1747 { 1748 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 1749 1750 pccbb_intr_disestablish(sc, ih); 1751 } 1752 1753 1754 void 1755 pccbb_intr_route(sc) 1756 struct pccbb_softc *sc; 1757 { 1758 pcireg_t reg; 1759 1760 /* initialize bridge intr routing */ 1761 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR); 1762 reg &= ~CB_BCR_INTR_IREQ_ENABLE; 1763 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, reg); 1764 1765 switch (sc->sc_chipset) { 1766 case CB_TI113X: 1767 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL); 1768 /* functional intr enabled */ 1769 reg |= PCI113X_CBCTRL_PCI_INTR; 1770 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, reg); 1771 break; 1772 default: 1773 break; 1774 } 1775 } 1776 1777 /* 1778 * static void *pccbb_intr_establish(struct pccbb_softc *sc, 1779 * int irq, 1780 * int level, 1781 * int (* func) __P((void *)), 1782 * void *arg) 1783 * 1784 * This function registers an interrupt handler at the bridge, in 1785 * order not to call the interrupt handlers of child devices when 1786 * a card-deletion interrupt occurs. 1787 * 1788 * The arguments irq is not used because pccbb selects intr vector. 1789 */ 1790 static void * 1791 pccbb_intr_establish(sc, irq, level, func, arg) 1792 struct pccbb_softc *sc; 1793 int irq, level; 1794 int (*func) __P((void *)); 1795 void *arg; 1796 { 1797 struct pccbb_intrhand_list *pil, *newpil; 1798 1799 DPRINTF(("pccbb_intr_establish start. %p\n", LIST_FIRST(&sc->sc_pil))); 1800 1801 if (LIST_EMPTY(&sc->sc_pil)) { 1802 pccbb_intr_route(sc); 1803 } 1804 1805 /* 1806 * Allocate a room for interrupt handler structure. 1807 */ 1808 if (NULL == (newpil = 1809 (struct pccbb_intrhand_list *)malloc(sizeof(struct 1810 pccbb_intrhand_list), M_DEVBUF, M_WAITOK))) { 1811 return NULL; 1812 } 1813 1814 newpil->pil_func = func; 1815 newpil->pil_arg = arg; 1816 newpil->pil_level = level; 1817 1818 if (LIST_EMPTY(&sc->sc_pil)) { 1819 LIST_INSERT_HEAD(&sc->sc_pil, newpil, pil_next); 1820 } else { 1821 for (pil = LIST_FIRST(&sc->sc_pil); 1822 LIST_NEXT(pil, pil_next) != NULL; 1823 pil = LIST_NEXT(pil, pil_next)); 1824 LIST_INSERT_AFTER(pil, newpil, pil_next); 1825 } 1826 1827 DPRINTF(("pccbb_intr_establish add pil. %p\n", 1828 LIST_FIRST(&sc->sc_pil))); 1829 1830 return newpil; 1831 } 1832 1833 /* 1834 * static void *pccbb_intr_disestablish(struct pccbb_softc *sc, 1835 * void *ih) 1836 * 1837 * This function removes an interrupt handler pointed by ih. ih 1838 * should be the value returned by cardbus_intr_establish() or 1839 * NULL. 1840 * 1841 * When ih is NULL, this function will do nothing. 1842 */ 1843 static void 1844 pccbb_intr_disestablish(sc, ih) 1845 struct pccbb_softc *sc; 1846 void *ih; 1847 { 1848 struct pccbb_intrhand_list *pil; 1849 pcireg_t reg; 1850 1851 DPRINTF(("pccbb_intr_disestablish start. %p\n", 1852 LIST_FIRST(&sc->sc_pil))); 1853 1854 if (ih == NULL) { 1855 /* intr handler is not set */ 1856 DPRINTF(("pccbb_intr_disestablish: no ih\n")); 1857 return; 1858 } 1859 1860 #ifdef DIAGNOSTIC 1861 for (pil = LIST_FIRST(&sc->sc_pil); pil != NULL; 1862 pil = LIST_NEXT(pil, pil_next)) { 1863 DPRINTF(("pccbb_intr_disestablish: pil %p\n", pil)); 1864 if (pil == ih) { 1865 DPRINTF(("pccbb_intr_disestablish frees one pil\n")); 1866 break; 1867 } 1868 } 1869 if (pil == NULL) { 1870 panic("pccbb_intr_disestablish: %s cannot find pil %p", 1871 sc->sc_dev.dv_xname, ih); 1872 } 1873 #endif 1874 1875 pil = (struct pccbb_intrhand_list *)ih; 1876 LIST_REMOVE(pil, pil_next); 1877 free(pil, M_DEVBUF); 1878 DPRINTF(("pccbb_intr_disestablish frees one pil\n")); 1879 1880 if (LIST_EMPTY(&sc->sc_pil)) { 1881 /* No interrupt handlers */ 1882 1883 DPRINTF(("pccbb_intr_disestablish: no interrupt handler\n")); 1884 1885 /* stop routing PCI intr */ 1886 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR); 1887 reg |= CB_BCR_INTR_IREQ_ENABLE; 1888 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, reg); 1889 1890 switch (sc->sc_chipset) { 1891 case CB_TI113X: 1892 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL); 1893 /* functional intr disabled */ 1894 reg &= ~PCI113X_CBCTRL_PCI_INTR; 1895 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, reg); 1896 break; 1897 default: 1898 break; 1899 } 1900 } 1901 } 1902 1903 #if defined SHOW_REGS 1904 static void 1905 cb_show_regs(pc, tag, memt, memh) 1906 pci_chipset_tag_t pc; 1907 pcitag_t tag; 1908 bus_space_tag_t memt; 1909 bus_space_handle_t memh; 1910 { 1911 int i; 1912 printf("PCI config regs:"); 1913 for (i = 0; i < 0x50; i += 4) { 1914 if (i % 16 == 0) { 1915 printf("\n 0x%02x:", i); 1916 } 1917 printf(" %08x", pci_conf_read(pc, tag, i)); 1918 } 1919 for (i = 0x80; i < 0xb0; i += 4) { 1920 if (i % 16 == 0) { 1921 printf("\n 0x%02x:", i); 1922 } 1923 printf(" %08x", pci_conf_read(pc, tag, i)); 1924 } 1925 1926 if (memh == 0) { 1927 printf("\n"); 1928 return; 1929 } 1930 1931 printf("\nsocket regs:"); 1932 for (i = 0; i <= 0x10; i += 0x04) { 1933 printf(" %08x", bus_space_read_4(memt, memh, i)); 1934 } 1935 printf("\nExCA regs:"); 1936 for (i = 0; i < 0x08; ++i) { 1937 printf(" %02x", bus_space_read_1(memt, memh, 0x800 + i)); 1938 } 1939 printf("\n"); 1940 return; 1941 } 1942 #endif 1943 1944 /* 1945 * static cardbustag_t pccbb_make_tag(cardbus_chipset_tag_t cc, 1946 * int busno, int devno, int function) 1947 * This is the function to make a tag to access config space of 1948 * a CardBus Card. It works same as pci_conf_read. 1949 */ 1950 static cardbustag_t 1951 pccbb_make_tag(cc, busno, devno, function) 1952 cardbus_chipset_tag_t cc; 1953 int busno, devno, function; 1954 { 1955 struct pccbb_softc *sc = (struct pccbb_softc *)cc; 1956 1957 return pci_make_tag(sc->sc_pc, busno, devno, function); 1958 } 1959 1960 static void 1961 pccbb_free_tag(cc, tag) 1962 cardbus_chipset_tag_t cc; 1963 cardbustag_t tag; 1964 { 1965 } 1966 1967 /* 1968 * static cardbusreg_t pccbb_conf_read(cardbus_chipset_tag_t cc, 1969 * cardbustag_t tag, int offset) 1970 * This is the function to read the config space of a CardBus Card. 1971 * It works same as pci_conf_read. 1972 */ 1973 static cardbusreg_t 1974 pccbb_conf_read(cc, tag, offset) 1975 cardbus_chipset_tag_t cc; 1976 cardbustag_t tag; 1977 int offset; /* register offset */ 1978 { 1979 struct pccbb_softc *sc = (struct pccbb_softc *)cc; 1980 1981 return pci_conf_read(sc->sc_pc, tag, offset); 1982 } 1983 1984 /* 1985 * static void pccbb_conf_write(cardbus_chipset_tag_t cc, cardbustag_t tag, 1986 * int offs, cardbusreg_t val) 1987 * This is the function to write the config space of a CardBus Card. 1988 * It works same as pci_conf_write. 1989 */ 1990 static void 1991 pccbb_conf_write(cc, tag, reg, val) 1992 cardbus_chipset_tag_t cc; 1993 cardbustag_t tag; 1994 int reg; /* register offset */ 1995 cardbusreg_t val; 1996 { 1997 struct pccbb_softc *sc = (struct pccbb_softc *)cc; 1998 1999 pci_conf_write(sc->sc_pc, tag, reg, val); 2000 } 2001 2002 #if 0 2003 STATIC int 2004 pccbb_new_pcmcia_io_alloc(pcmcia_chipset_handle_t pch, 2005 bus_addr_t start, bus_size_t size, bus_size_t align, bus_addr_t mask, 2006 int speed, int flags, 2007 bus_space_handle_t * iohp) 2008 #endif 2009 /* 2010 * STATIC int pccbb_pcmcia_io_alloc(pcmcia_chipset_handle_t pch, 2011 * bus_addr_t start, bus_size_t size, 2012 * bus_size_t align, 2013 * struct pcmcia_io_handle *pcihp 2014 * 2015 * This function only allocates I/O region for pccard. This function 2016 * never maps the allocated region to pccard I/O area. 2017 * 2018 * XXX: The interface of this function is not very good, I believe. 2019 */ 2020 STATIC int 2021 pccbb_pcmcia_io_alloc(pch, start, size, align, pcihp) 2022 pcmcia_chipset_handle_t pch; 2023 bus_addr_t start; /* start address */ 2024 bus_size_t size; 2025 bus_size_t align; 2026 struct pcmcia_io_handle *pcihp; 2027 { 2028 struct pcic_handle *ph = (struct pcic_handle *)pch; 2029 bus_addr_t ioaddr; 2030 int flags = 0; 2031 bus_space_tag_t iot; 2032 bus_space_handle_t ioh; 2033 bus_addr_t mask; 2034 #if rbus 2035 rbus_tag_t rb; 2036 #endif 2037 if (align == 0) { 2038 align = size; /* XXX: funny??? */ 2039 } 2040 2041 if (start != 0) { 2042 /* XXX: assume all card decode lower 10 bits by its hardware */ 2043 mask = 0x3ff; 2044 /* enforce to use only masked address */ 2045 start &= mask; 2046 } else { 2047 /* 2048 * calculate mask: 2049 * 1. get the most significant bit of size (call it msb). 2050 * 2. compare msb with the value of size. 2051 * 3. if size is larger, shift msb left once. 2052 * 4. obtain mask value to decrement msb. 2053 */ 2054 bus_size_t size_tmp = size; 2055 int shifts = 0; 2056 2057 mask = 1; 2058 while (size_tmp) { 2059 ++shifts; 2060 size_tmp >>= 1; 2061 } 2062 mask = (1 << shifts); 2063 if (mask < size) { 2064 mask <<= 1; 2065 } 2066 --mask; 2067 } 2068 2069 /* 2070 * Allocate some arbitrary I/O space. 2071 */ 2072 2073 iot = ((struct pccbb_softc *)(ph->ph_parent))->sc_iot; 2074 2075 #if rbus 2076 rb = ((struct pccbb_softc *)(ph->ph_parent))->sc_rbus_iot; 2077 if (rbus_space_alloc(rb, start, size, mask, align, 0, &ioaddr, &ioh)) { 2078 return 1; 2079 } 2080 DPRINTF(("pccbb_pcmcia_io_alloc alloc port %lx+%lx\n", 2081 (u_long) ioaddr, (u_long) size)); 2082 #else 2083 if (start) { 2084 ioaddr = start; 2085 if (bus_space_map(iot, start, size, 0, &ioh)) { 2086 return 1; 2087 } 2088 DPRINTF(("pccbb_pcmcia_io_alloc map port %lx+%lx\n", 2089 (u_long) ioaddr, (u_long) size)); 2090 } else { 2091 flags |= PCMCIA_IO_ALLOCATED; 2092 if (bus_space_alloc(iot, 0x700 /* ph->sc->sc_iobase */ , 2093 0x800, /* ph->sc->sc_iobase + ph->sc->sc_iosize */ 2094 size, align, 0, 0, &ioaddr, &ioh)) { 2095 /* No room be able to be get. */ 2096 return 1; 2097 } 2098 DPRINTF(("pccbb_pcmmcia_io_alloc alloc port 0x%lx+0x%lx\n", 2099 (u_long) ioaddr, (u_long) size)); 2100 } 2101 #endif 2102 2103 pcihp->iot = iot; 2104 pcihp->ioh = ioh; 2105 pcihp->addr = ioaddr; 2106 pcihp->size = size; 2107 pcihp->flags = flags; 2108 2109 return 0; 2110 } 2111 2112 /* 2113 * STATIC int pccbb_pcmcia_io_free(pcmcia_chipset_handle_t pch, 2114 * struct pcmcia_io_handle *pcihp) 2115 * 2116 * This function only frees I/O region for pccard. 2117 * 2118 * XXX: The interface of this function is not very good, I believe. 2119 */ 2120 void 2121 pccbb_pcmcia_io_free(pch, pcihp) 2122 pcmcia_chipset_handle_t pch; 2123 struct pcmcia_io_handle *pcihp; 2124 { 2125 #if !rbus 2126 bus_space_tag_t iot = pcihp->iot; 2127 #endif 2128 bus_space_handle_t ioh = pcihp->ioh; 2129 bus_size_t size = pcihp->size; 2130 2131 #if rbus 2132 struct pccbb_softc *sc = 2133 (struct pccbb_softc *)((struct pcic_handle *)pch)->ph_parent; 2134 rbus_tag_t rb = sc->sc_rbus_iot; 2135 2136 rbus_space_free(rb, ioh, size, NULL); 2137 #else 2138 if (pcihp->flags & PCMCIA_IO_ALLOCATED) 2139 bus_space_free(iot, ioh, size); 2140 else 2141 bus_space_unmap(iot, ioh, size); 2142 #endif 2143 } 2144 2145 /* 2146 * STATIC int pccbb_pcmcia_io_map(pcmcia_chipset_handle_t pch, int width, 2147 * bus_addr_t offset, bus_size_t size, 2148 * struct pcmcia_io_handle *pcihp, 2149 * int *windowp) 2150 * 2151 * This function maps the allocated I/O region to pccard. This function 2152 * never allocates any I/O region for pccard I/O area. I don't 2153 * understand why the original authors of pcmciabus separated alloc and 2154 * map. I believe the two must be unite. 2155 * 2156 * XXX: no wait timing control? 2157 */ 2158 int 2159 pccbb_pcmcia_io_map(pch, width, offset, size, pcihp, windowp) 2160 pcmcia_chipset_handle_t pch; 2161 int width; 2162 bus_addr_t offset; 2163 bus_size_t size; 2164 struct pcmcia_io_handle *pcihp; 2165 int *windowp; 2166 { 2167 struct pcic_handle *ph = (struct pcic_handle *)pch; 2168 bus_addr_t ioaddr = pcihp->addr + offset; 2169 int i, win; 2170 #if defined CBB_DEBUG 2171 static char *width_names[] = { "dynamic", "io8", "io16" }; 2172 #endif 2173 2174 /* Sanity check I/O handle. */ 2175 2176 if (((struct pccbb_softc *)ph->ph_parent)->sc_iot != pcihp->iot) { 2177 panic("pccbb_pcmcia_io_map iot is bogus"); 2178 } 2179 2180 /* XXX Sanity check offset/size. */ 2181 2182 win = -1; 2183 for (i = 0; i < PCIC_IO_WINS; i++) { 2184 if ((ph->ioalloc & (1 << i)) == 0) { 2185 win = i; 2186 ph->ioalloc |= (1 << i); 2187 break; 2188 } 2189 } 2190 2191 if (win == -1) { 2192 return 1; 2193 } 2194 2195 *windowp = win; 2196 2197 /* XXX this is pretty gross */ 2198 2199 DPRINTF(("pccbb_pcmcia_io_map window %d %s port %lx+%lx\n", 2200 win, width_names[width], (u_long) ioaddr, (u_long) size)); 2201 2202 /* XXX wtf is this doing here? */ 2203 2204 #if 0 2205 printf(" port 0x%lx", (u_long) ioaddr); 2206 if (size > 1) { 2207 printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1); 2208 } 2209 #endif 2210 2211 ph->io[win].addr = ioaddr; 2212 ph->io[win].size = size; 2213 ph->io[win].width = width; 2214 2215 /* actual dirty register-value changing in the function below. */ 2216 pccbb_pcmcia_do_io_map(ph, win); 2217 2218 return 0; 2219 } 2220 2221 /* 2222 * STATIC void pccbb_pcmcia_do_io_map(struct pcic_handle *h, int win) 2223 * 2224 * This function changes register-value to map I/O region for pccard. 2225 */ 2226 static void 2227 pccbb_pcmcia_do_io_map(ph, win) 2228 struct pcic_handle *ph; 2229 int win; 2230 { 2231 static u_int8_t pcic_iowidth[3] = { 2232 PCIC_IOCTL_IO0_IOCS16SRC_CARD, 2233 PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE | 2234 PCIC_IOCTL_IO0_DATASIZE_8BIT, 2235 PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE | 2236 PCIC_IOCTL_IO0_DATASIZE_16BIT, 2237 }; 2238 2239 #define PCIC_SIA_START_LOW 0 2240 #define PCIC_SIA_START_HIGH 1 2241 #define PCIC_SIA_STOP_LOW 2 2242 #define PCIC_SIA_STOP_HIGH 3 2243 2244 int regbase_win = 0x8 + win * 0x04; 2245 u_int8_t ioctl, enable; 2246 2247 DPRINTF( 2248 ("pccbb_pcmcia_do_io_map win %d addr 0x%lx size 0x%lx width %d\n", 2249 win, (long)ph->io[win].addr, (long)ph->io[win].size, 2250 ph->io[win].width * 8)); 2251 2252 Pcic_write(ph, regbase_win + PCIC_SIA_START_LOW, 2253 ph->io[win].addr & 0xff); 2254 Pcic_write(ph, regbase_win + PCIC_SIA_START_HIGH, 2255 (ph->io[win].addr >> 8) & 0xff); 2256 2257 Pcic_write(ph, regbase_win + PCIC_SIA_STOP_LOW, 2258 (ph->io[win].addr + ph->io[win].size - 1) & 0xff); 2259 Pcic_write(ph, regbase_win + PCIC_SIA_STOP_HIGH, 2260 ((ph->io[win].addr + ph->io[win].size - 1) >> 8) & 0xff); 2261 2262 ioctl = Pcic_read(ph, PCIC_IOCTL); 2263 enable = Pcic_read(ph, PCIC_ADDRWIN_ENABLE); 2264 switch (win) { 2265 case 0: 2266 ioctl &= ~(PCIC_IOCTL_IO0_WAITSTATE | PCIC_IOCTL_IO0_ZEROWAIT | 2267 PCIC_IOCTL_IO0_IOCS16SRC_MASK | 2268 PCIC_IOCTL_IO0_DATASIZE_MASK); 2269 ioctl |= pcic_iowidth[ph->io[win].width]; 2270 enable |= PCIC_ADDRWIN_ENABLE_IO0; 2271 break; 2272 case 1: 2273 ioctl &= ~(PCIC_IOCTL_IO1_WAITSTATE | PCIC_IOCTL_IO1_ZEROWAIT | 2274 PCIC_IOCTL_IO1_IOCS16SRC_MASK | 2275 PCIC_IOCTL_IO1_DATASIZE_MASK); 2276 ioctl |= (pcic_iowidth[ph->io[win].width] << 4); 2277 enable |= PCIC_ADDRWIN_ENABLE_IO1; 2278 break; 2279 } 2280 Pcic_write(ph, PCIC_IOCTL, ioctl); 2281 Pcic_write(ph, PCIC_ADDRWIN_ENABLE, enable); 2282 #if defined CBB_DEBUG 2283 { 2284 u_int8_t start_low = 2285 Pcic_read(ph, regbase_win + PCIC_SIA_START_LOW); 2286 u_int8_t start_high = 2287 Pcic_read(ph, regbase_win + PCIC_SIA_START_HIGH); 2288 u_int8_t stop_low = 2289 Pcic_read(ph, regbase_win + PCIC_SIA_STOP_LOW); 2290 u_int8_t stop_high = 2291 Pcic_read(ph, regbase_win + PCIC_SIA_STOP_HIGH); 2292 printf 2293 (" start %02x %02x, stop %02x %02x, ioctl %02x enable %02x\n", 2294 start_low, start_high, stop_low, stop_high, ioctl, enable); 2295 } 2296 #endif 2297 } 2298 2299 /* 2300 * STATIC void pccbb_pcmcia_io_unmap(pcmcia_chipset_handle_t *h, int win) 2301 * 2302 * This function unmaps I/O region. No return value. 2303 */ 2304 STATIC void 2305 pccbb_pcmcia_io_unmap(pch, win) 2306 pcmcia_chipset_handle_t pch; 2307 int win; 2308 { 2309 struct pcic_handle *ph = (struct pcic_handle *)pch; 2310 int reg; 2311 2312 if (win >= PCIC_IO_WINS || win < 0) { 2313 panic("pccbb_pcmcia_io_unmap: window out of range"); 2314 } 2315 2316 reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE); 2317 switch (win) { 2318 case 0: 2319 reg &= ~PCIC_ADDRWIN_ENABLE_IO0; 2320 break; 2321 case 1: 2322 reg &= ~PCIC_ADDRWIN_ENABLE_IO1; 2323 break; 2324 } 2325 Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg); 2326 2327 ph->ioalloc &= ~(1 << win); 2328 } 2329 2330 /* 2331 * static void pccbb_pcmcia_wait_ready(struct pcic_handle *ph) 2332 * 2333 * This function enables the card. All information is stored in 2334 * the first argument, pcmcia_chipset_handle_t. 2335 */ 2336 static int 2337 pccbb_pcmcia_wait_ready(ph) 2338 struct pcic_handle *ph; 2339 { 2340 u_char stat; 2341 int i; 2342 2343 DPRINTF(("entering pccbb_pcmcia_wait_ready: status 0x%02x\n", 2344 Pcic_read(ph, PCIC_IF_STATUS))); 2345 2346 for (i = 0; i < 2000; i++) { 2347 stat = Pcic_read(ph, PCIC_IF_STATUS); 2348 if (stat & PCIC_IF_STATUS_READY) 2349 return 1; 2350 if ((stat & PCIC_IF_STATUS_CARDDETECT_MASK) != 2351 PCIC_IF_STATUS_CARDDETECT_PRESENT) 2352 return 0; 2353 DELAY_MS(2, ph->ph_parent); 2354 #ifdef CBB_DEBUG 2355 if ((i > 1000) && (i % 25 == 24)) 2356 printf("."); 2357 #endif 2358 } 2359 2360 #ifdef DIAGNOSTIC 2361 printf("pcic_wait_ready: ready never happened, status = %02x\n", 2362 Pcic_read(ph, PCIC_IF_STATUS)); 2363 #endif 2364 2365 return 0; 2366 } 2367 2368 /* 2369 * STATIC void pccbb_pcmcia_socket_enable(pcmcia_chipset_handle_t pch) 2370 * 2371 * This function enables the card. All information is stored in 2372 * the first argument, pcmcia_chipset_handle_t. 2373 */ 2374 STATIC void 2375 pccbb_pcmcia_socket_enable(pch) 2376 pcmcia_chipset_handle_t pch; 2377 { 2378 struct pcic_handle *ph = (struct pcic_handle *)pch; 2379 struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; 2380 int cardtype, win; 2381 u_int8_t power, intr; 2382 pcireg_t spsr; 2383 int voltage; 2384 2385 /* this bit is mostly stolen from pcic_attach_card */ 2386 2387 DPRINTF(("pccbb_pcmcia_socket_enable: ")); 2388 2389 /* get card Vcc info */ 2390 2391 spsr = 2392 bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, 2393 CB_SOCKET_STAT); 2394 if (spsr & CB_SOCKET_STAT_5VCARD) { 2395 DPRINTF(("5V card\n")); 2396 voltage = CARDBUS_VCC_5V | CARDBUS_VPP_VCC; 2397 } else if (spsr & CB_SOCKET_STAT_3VCARD) { 2398 DPRINTF(("3V card\n")); 2399 voltage = CARDBUS_VCC_3V | CARDBUS_VPP_VCC; 2400 } else { 2401 printf("?V card, 0x%x\n", spsr); /* XXX */ 2402 return; 2403 } 2404 2405 /* disable socket: negate output enable bit and power off */ 2406 2407 power = 0; 2408 Pcic_write(ph, PCIC_PWRCTL, power); 2409 2410 /* power down the socket to reset it, clear the card reset pin */ 2411 2412 pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); 2413 2414 /* 2415 * wait 200ms until power fails (Tpf). Then, wait 100ms since 2416 * we are changing Vcc (Toff). 2417 */ 2418 /* delay(300*1000); too much */ 2419 2420 /* assert reset bit */ 2421 intr = Pcic_read(ph, PCIC_INTR); 2422 intr &= ~(PCIC_INTR_RESET | PCIC_INTR_CARDTYPE_MASK); 2423 Pcic_write(ph, PCIC_INTR, intr); 2424 2425 /* power up the socket and output enable */ 2426 power = Pcic_read(ph, PCIC_PWRCTL); 2427 power |= PCIC_PWRCTL_OE; 2428 Pcic_write(ph, PCIC_PWRCTL, power); 2429 2430 if (pccbb_power(sc, voltage) == 0) { 2431 power &= PCIC_PWRCTL_OE; 2432 Pcic_write(ph, PCIC_PWRCTL, power); 2433 intr |= PCIC_INTR_RESET; 2434 Pcic_write(ph, PCIC_INTR, intr); 2435 pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); 2436 return; 2437 } 2438 2439 /* 2440 * hold RESET at least 20 ms: the spec says only 10 us is 2441 * enough, but TI1130 requires at least 20 ms. 2442 */ 2443 #if 0 /* XXX called on interrupt context */ 2444 DELAY_MS(20, sc); 2445 #else 2446 delay(20 * 1000); 2447 #endif 2448 2449 /* clear the reset flag */ 2450 2451 intr |= PCIC_INTR_RESET; 2452 Pcic_write(ph, PCIC_INTR, intr); 2453 2454 /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */ 2455 2456 #if 0 /* XXX called on interrupt context */ 2457 DELAY_MS(20, sc); 2458 #else 2459 delay(20 * 1000); 2460 #endif 2461 2462 /* wait for the chip to finish initializing */ 2463 2464 if (pccbb_pcmcia_wait_ready(ph) == 0) { 2465 Pcic_write(ph, PCIC_ADDRWIN_ENABLE, 0); 2466 pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); 2467 return; 2468 } 2469 2470 /* zero out the address windows */ 2471 2472 Pcic_write(ph, PCIC_ADDRWIN_ENABLE, 0); 2473 2474 /* set the card type */ 2475 2476 cardtype = pcmcia_card_gettype(ph->pcmcia); 2477 2478 intr |= ((cardtype == PCMCIA_IFTYPE_IO) ? 2479 PCIC_INTR_CARDTYPE_IO : PCIC_INTR_CARDTYPE_MEM); 2480 Pcic_write(ph, PCIC_INTR, intr); 2481 2482 DPRINTF(("%s: pccbb_pcmcia_socket_enable %02x cardtype %s %02x\n", 2483 ph->ph_parent->dv_xname, ph->sock, 2484 ((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), intr)); 2485 2486 /* reinstall all the memory and io mappings */ 2487 2488 for (win = 0; win < PCIC_MEM_WINS; ++win) { 2489 if (ph->memalloc & (1 << win)) { 2490 pccbb_pcmcia_do_mem_map(ph, win); 2491 } 2492 } 2493 2494 for (win = 0; win < PCIC_IO_WINS; ++win) { 2495 if (ph->ioalloc & (1 << win)) { 2496 pccbb_pcmcia_do_io_map(ph, win); 2497 } 2498 } 2499 } 2500 2501 /* 2502 * STATIC void pccbb_pcmcia_socket_disable(pcmcia_chipset_handle_t *ph) 2503 * 2504 * This function disables the card. All information is stored in 2505 * the first argument, pcmcia_chipset_handle_t. 2506 */ 2507 STATIC void 2508 pccbb_pcmcia_socket_disable(pch) 2509 pcmcia_chipset_handle_t pch; 2510 { 2511 struct pcic_handle *ph = (struct pcic_handle *)pch; 2512 struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; 2513 u_int8_t power, intr; 2514 2515 DPRINTF(("pccbb_pcmcia_socket_disable\n")); 2516 2517 /* reset signal asserting... */ 2518 2519 intr = Pcic_read(ph, PCIC_INTR); 2520 intr &= ~(PCIC_INTR_CARDTYPE_MASK); 2521 Pcic_write(ph, PCIC_INTR, intr); 2522 delay(2 * 1000); 2523 2524 /* power down the socket */ 2525 power = Pcic_read(ph, PCIC_PWRCTL); 2526 power &= ~PCIC_PWRCTL_OE; 2527 Pcic_write(ph, PCIC_PWRCTL, power); 2528 pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); 2529 /* 2530 * wait 300ms until power fails (Tpf). 2531 */ 2532 #if 0 /* XXX called on interrupt context */ 2533 DELAY_MS(300, sc); 2534 #else 2535 delay(300 * 1000); 2536 #endif 2537 } 2538 2539 /* 2540 * STATIC int pccbb_pcmcia_card_detect(pcmcia_chipset_handle_t *ph) 2541 * 2542 * This function detects whether a card is in the slot or not. 2543 * If a card is inserted, return 1. Otherwise, return 0. 2544 */ 2545 STATIC int 2546 pccbb_pcmcia_card_detect(pch) 2547 pcmcia_chipset_handle_t pch; 2548 { 2549 struct pcic_handle *ph = (struct pcic_handle *)pch; 2550 struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; 2551 2552 DPRINTF(("pccbb_pcmcia_card_detect\n")); 2553 return pccbb_detect_card(sc) == 1 ? 1 : 0; 2554 } 2555 2556 #if 0 2557 STATIC int 2558 pccbb_new_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch, 2559 bus_addr_t start, bus_size_t size, bus_size_t align, int speed, int flags, 2560 bus_space_tag_t * memtp bus_space_handle_t * memhp) 2561 #endif 2562 /* 2563 * STATIC int pccbb_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch, 2564 * bus_size_t size, 2565 * struct pcmcia_mem_handle *pcmhp) 2566 * 2567 * This function only allocates memory region for pccard. This 2568 * function never maps the allocated region to pccard memory area. 2569 * 2570 * XXX: Why the argument of start address is not in? 2571 */ 2572 STATIC int 2573 pccbb_pcmcia_mem_alloc(pch, size, pcmhp) 2574 pcmcia_chipset_handle_t pch; 2575 bus_size_t size; 2576 struct pcmcia_mem_handle *pcmhp; 2577 { 2578 struct pcic_handle *ph = (struct pcic_handle *)pch; 2579 bus_space_handle_t memh; 2580 bus_addr_t addr; 2581 bus_size_t sizepg; 2582 struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; 2583 #if rbus 2584 rbus_tag_t rb; 2585 #endif 2586 2587 /* Check that the card is still there. */ 2588 if ((Pcic_read(ph, PCIC_IF_STATUS) & PCIC_IF_STATUS_CARDDETECT_MASK) != 2589 PCIC_IF_STATUS_CARDDETECT_PRESENT) 2590 return 1; 2591 2592 /* out of sc->memh, allocate as many pages as necessary */ 2593 2594 /* convert size to PCIC pages */ 2595 /* 2596 * This is not enough; when the requested region is on the page 2597 * boundaries, this may calculate wrong result. 2598 */ 2599 sizepg = (size + (PCIC_MEM_PAGESIZE - 1)) / PCIC_MEM_PAGESIZE; 2600 #if 0 2601 if (sizepg > PCIC_MAX_MEM_PAGES) { 2602 return 1; 2603 } 2604 #endif 2605 2606 if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32)) { 2607 return 1; 2608 } 2609 2610 addr = 0; /* XXX gcc -Wuninitialized */ 2611 2612 #if rbus 2613 rb = sc->sc_rbus_memt; 2614 if (rbus_space_alloc(rb, 0, sizepg * PCIC_MEM_PAGESIZE, 2615 sizepg * PCIC_MEM_PAGESIZE - 1, PCIC_MEM_PAGESIZE, 0, 2616 &addr, &memh)) { 2617 return 1; 2618 } 2619 #else 2620 if (bus_space_alloc(sc->sc_memt, sc->sc_mem_start, sc->sc_mem_end, 2621 sizepg * PCIC_MEM_PAGESIZE, PCIC_MEM_PAGESIZE, 2622 0, /* boundary */ 2623 0, /* flags */ 2624 &addr, &memh)) { 2625 return 1; 2626 } 2627 #endif 2628 2629 DPRINTF( 2630 ("pccbb_pcmcia_alloc_mem: addr 0x%lx size 0x%lx, realsize 0x%lx\n", 2631 addr, size, sizepg * PCIC_MEM_PAGESIZE)); 2632 2633 pcmhp->memt = sc->sc_memt; 2634 pcmhp->memh = memh; 2635 pcmhp->addr = addr; 2636 pcmhp->size = size; 2637 pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE; 2638 /* What is mhandle? I feel it is very dirty and it must go trush. */ 2639 pcmhp->mhandle = 0; 2640 /* No offset??? Funny. */ 2641 2642 return 0; 2643 } 2644 2645 /* 2646 * STATIC void pccbb_pcmcia_mem_free(pcmcia_chipset_handle_t pch, 2647 * struct pcmcia_mem_handle *pcmhp) 2648 * 2649 * This function release the memory space allocated by the function 2650 * pccbb_pcmcia_mem_alloc(). 2651 */ 2652 STATIC void 2653 pccbb_pcmcia_mem_free(pch, pcmhp) 2654 pcmcia_chipset_handle_t pch; 2655 struct pcmcia_mem_handle *pcmhp; 2656 { 2657 #if rbus 2658 struct pcic_handle *ph = (struct pcic_handle *)pch; 2659 struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; 2660 2661 rbus_space_free(sc->sc_rbus_memt, pcmhp->memh, pcmhp->realsize, NULL); 2662 #else 2663 bus_space_free(pcmhp->memt, pcmhp->memh, pcmhp->realsize); 2664 #endif 2665 } 2666 2667 /* 2668 * STATIC void pccbb_pcmcia_do_mem_map(struct pcic_handle *ph, int win) 2669 * 2670 * This function release the memory space allocated by the function 2671 * pccbb_pcmcia_mem_alloc(). 2672 */ 2673 STATIC void 2674 pccbb_pcmcia_do_mem_map(ph, win) 2675 struct pcic_handle *ph; 2676 int win; 2677 { 2678 int regbase_win; 2679 bus_addr_t phys_addr; 2680 bus_addr_t phys_end; 2681 2682 #define PCIC_SMM_START_LOW 0 2683 #define PCIC_SMM_START_HIGH 1 2684 #define PCIC_SMM_STOP_LOW 2 2685 #define PCIC_SMM_STOP_HIGH 3 2686 #define PCIC_CMA_LOW 4 2687 #define PCIC_CMA_HIGH 5 2688 2689 u_int8_t start_low, start_high = 0; 2690 u_int8_t stop_low, stop_high; 2691 u_int8_t off_low, off_high; 2692 u_int8_t mem_window; 2693 int reg; 2694 2695 int kind = ph->mem[win].kind & ~PCMCIA_WIDTH_MEM_MASK; 2696 int mem8 = 2697 (ph->mem[win].kind & PCMCIA_WIDTH_MEM_MASK) == PCMCIA_WIDTH_MEM8 2698 || (kind == PCMCIA_MEM_ATTR); 2699 2700 regbase_win = 0x10 + win * 0x08; 2701 2702 phys_addr = ph->mem[win].addr; 2703 phys_end = phys_addr + ph->mem[win].size; 2704 2705 DPRINTF(("pccbb_pcmcia_do_mem_map: start 0x%lx end 0x%lx off 0x%lx\n", 2706 phys_addr, phys_end, ph->mem[win].offset)); 2707 2708 #define PCIC_MEMREG_LSB_SHIFT PCIC_SYSMEM_ADDRX_SHIFT 2709 #define PCIC_MEMREG_MSB_SHIFT (PCIC_SYSMEM_ADDRX_SHIFT + 8) 2710 #define PCIC_MEMREG_WIN_SHIFT (PCIC_SYSMEM_ADDRX_SHIFT + 12) 2711 2712 /* bit 19:12 */ 2713 start_low = (phys_addr >> PCIC_MEMREG_LSB_SHIFT) & 0xff; 2714 /* bit 23:20 and bit 7 on */ 2715 start_high = ((phys_addr >> PCIC_MEMREG_MSB_SHIFT) & 0x0f) 2716 |(mem8 ? 0 : PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT); 2717 /* bit 31:24, for 32-bit address */ 2718 mem_window = (phys_addr >> PCIC_MEMREG_WIN_SHIFT) & 0xff; 2719 2720 Pcic_write(ph, regbase_win + PCIC_SMM_START_LOW, start_low); 2721 Pcic_write(ph, regbase_win + PCIC_SMM_START_HIGH, start_high); 2722 2723 if (((struct pccbb_softc *)ph-> 2724 ph_parent)->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) { 2725 Pcic_write(ph, 0x40 + win, mem_window); 2726 } 2727 2728 stop_low = (phys_end >> PCIC_MEMREG_LSB_SHIFT) & 0xff; 2729 stop_high = ((phys_end >> PCIC_MEMREG_MSB_SHIFT) & 0x0f) 2730 | PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2; /* wait 2 cycles */ 2731 /* XXX Geee, WAIT2!! Crazy!! I must rewrite this routine. */ 2732 2733 Pcic_write(ph, regbase_win + PCIC_SMM_STOP_LOW, stop_low); 2734 Pcic_write(ph, regbase_win + PCIC_SMM_STOP_HIGH, stop_high); 2735 2736 off_low = (ph->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff; 2737 off_high = ((ph->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8)) 2738 & PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK) 2739 | ((kind == PCMCIA_MEM_ATTR) ? 2740 PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0); 2741 2742 Pcic_write(ph, regbase_win + PCIC_CMA_LOW, off_low); 2743 Pcic_write(ph, regbase_win + PCIC_CMA_HIGH, off_high); 2744 2745 reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE); 2746 reg |= ((1 << win) | PCIC_ADDRWIN_ENABLE_MEMCS16); 2747 Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg); 2748 2749 #if defined CBB_DEBUG 2750 { 2751 int r1, r2, r3, r4, r5, r6, r7 = 0; 2752 2753 r1 = Pcic_read(ph, regbase_win + PCIC_SMM_START_LOW); 2754 r2 = Pcic_read(ph, regbase_win + PCIC_SMM_START_HIGH); 2755 r3 = Pcic_read(ph, regbase_win + PCIC_SMM_STOP_LOW); 2756 r4 = Pcic_read(ph, regbase_win + PCIC_SMM_STOP_HIGH); 2757 r5 = Pcic_read(ph, regbase_win + PCIC_CMA_LOW); 2758 r6 = Pcic_read(ph, regbase_win + PCIC_CMA_HIGH); 2759 if (((struct pccbb_softc *)(ph-> 2760 ph_parent))->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) { 2761 r7 = Pcic_read(ph, 0x40 + win); 2762 } 2763 2764 DPRINTF(("pccbb_pcmcia_do_mem_map window %d: %02x%02x %02x%02x " 2765 "%02x%02x", win, r1, r2, r3, r4, r5, r6)); 2766 if (((struct pccbb_softc *)(ph-> 2767 ph_parent))->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) { 2768 DPRINTF((" %02x", r7)); 2769 } 2770 DPRINTF(("\n")); 2771 } 2772 #endif 2773 } 2774 2775 /* 2776 * STATIC int pccbb_pcmcia_mem_map(pcmcia_chipset_handle_t pch, int kind, 2777 * bus_addr_t card_addr, bus_size_t size, 2778 * struct pcmcia_mem_handle *pcmhp, 2779 * bus_addr_t *offsetp, int *windowp) 2780 * 2781 * This function maps memory space allocated by the function 2782 * pccbb_pcmcia_mem_alloc(). 2783 */ 2784 STATIC int 2785 pccbb_pcmcia_mem_map(pch, kind, card_addr, size, pcmhp, offsetp, windowp) 2786 pcmcia_chipset_handle_t pch; 2787 int kind; 2788 bus_addr_t card_addr; 2789 bus_size_t size; 2790 struct pcmcia_mem_handle *pcmhp; 2791 bus_addr_t *offsetp; 2792 int *windowp; 2793 { 2794 struct pcic_handle *ph = (struct pcic_handle *)pch; 2795 bus_addr_t busaddr; 2796 long card_offset; 2797 int win; 2798 2799 /* Check that the card is still there. */ 2800 if ((Pcic_read(ph, PCIC_IF_STATUS) & PCIC_IF_STATUS_CARDDETECT_MASK) != 2801 PCIC_IF_STATUS_CARDDETECT_PRESENT) 2802 return 1; 2803 2804 for (win = 0; win < PCIC_MEM_WINS; ++win) { 2805 if ((ph->memalloc & (1 << win)) == 0) { 2806 ph->memalloc |= (1 << win); 2807 break; 2808 } 2809 } 2810 2811 if (win == PCIC_MEM_WINS) { 2812 return 1; 2813 } 2814 2815 *windowp = win; 2816 2817 /* XXX this is pretty gross */ 2818 2819 if (((struct pccbb_softc *)ph->ph_parent)->sc_memt != pcmhp->memt) { 2820 panic("pccbb_pcmcia_mem_map memt is bogus"); 2821 } 2822 2823 busaddr = pcmhp->addr; 2824 2825 /* 2826 * compute the address offset to the pcmcia address space for the 2827 * pcic. this is intentionally signed. The masks and shifts below 2828 * will cause TRT to happen in the pcic registers. Deal with making 2829 * sure the address is aligned, and return the alignment offset. 2830 */ 2831 2832 *offsetp = card_addr % PCIC_MEM_PAGESIZE; 2833 card_addr -= *offsetp; 2834 2835 DPRINTF(("pccbb_pcmcia_mem_map window %d bus %lx+%lx+%lx at card addr " 2836 "%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size, 2837 (u_long) card_addr)); 2838 2839 /* 2840 * include the offset in the size, and decrement size by one, since 2841 * the hw wants start/stop 2842 */ 2843 size += *offsetp - 1; 2844 2845 card_offset = (((long)card_addr) - ((long)busaddr)); 2846 2847 ph->mem[win].addr = busaddr; 2848 ph->mem[win].size = size; 2849 ph->mem[win].offset = card_offset; 2850 ph->mem[win].kind = kind; 2851 2852 pccbb_pcmcia_do_mem_map(ph, win); 2853 2854 return 0; 2855 } 2856 2857 /* 2858 * STATIC int pccbb_pcmcia_mem_unmap(pcmcia_chipset_handle_t pch, 2859 * int window) 2860 * 2861 * This function unmaps memory space which mapped by the function 2862 * pccbb_pcmcia_mem_map(). 2863 */ 2864 STATIC void 2865 pccbb_pcmcia_mem_unmap(pch, window) 2866 pcmcia_chipset_handle_t pch; 2867 int window; 2868 { 2869 struct pcic_handle *ph = (struct pcic_handle *)pch; 2870 int reg; 2871 2872 if (window >= PCIC_MEM_WINS) { 2873 panic("pccbb_pcmcia_mem_unmap: window out of range"); 2874 } 2875 2876 reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE); 2877 reg &= ~(1 << window); 2878 Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg); 2879 2880 ph->memalloc &= ~(1 << window); 2881 } 2882 2883 #if defined PCCBB_PCMCIA_POLL 2884 struct pccbb_poll_str { 2885 void *arg; 2886 int (*func) __P((void *)); 2887 int level; 2888 struct pcic_handle *ph; 2889 int count; 2890 int num; 2891 struct callout poll_ch; 2892 }; 2893 2894 static struct pccbb_poll_str pccbb_poll[10]; 2895 static int pccbb_poll_n = 0; 2896 2897 static void pccbb_pcmcia_poll __P((void *arg)); 2898 2899 static void 2900 pccbb_pcmcia_poll(arg) 2901 void *arg; 2902 { 2903 struct pccbb_poll_str *poll = arg; 2904 struct pcic_handle *ph = poll->ph; 2905 struct pccbb_softc *sc = ph->sc; 2906 int s; 2907 u_int32_t spsr; /* socket present-state reg */ 2908 2909 callout_reset(&poll->poll_ch, hz * 2, pccbb_pcmcia_poll, arg); 2910 switch (poll->level) { 2911 case IPL_NET: 2912 s = splnet(); 2913 break; 2914 case IPL_BIO: 2915 s = splbio(); 2916 break; 2917 case IPL_TTY: /* fallthrough */ 2918 default: 2919 s = spltty(); 2920 break; 2921 } 2922 2923 spsr = 2924 bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, 2925 CB_SOCKET_STAT); 2926 2927 #if defined PCCBB_PCMCIA_POLL_ONLY && defined LEVEL2 2928 if (!(spsr & 0x40)) /* CINT low */ 2929 #else 2930 if (1) 2931 #endif 2932 { 2933 if ((*poll->func) (poll->arg) > 0) { 2934 ++poll->count; 2935 /* printf("intr: reported from poller, 0x%x\n", spsr); */ 2936 #if defined LEVEL2 2937 } else { 2938 printf("intr: miss! 0x%x\n", spsr); 2939 #endif 2940 } 2941 } 2942 splx(s); 2943 } 2944 #endif /* defined CB_PCMCIA_POLL */ 2945 2946 /* 2947 * STATIC void *pccbb_pcmcia_intr_establish(pcmcia_chipset_handle_t pch, 2948 * struct pcmcia_function *pf, 2949 * int ipl, 2950 * int (*func)(void *), 2951 * void *arg); 2952 * 2953 * This function enables PC-Card interrupt. PCCBB uses PCI interrupt line. 2954 */ 2955 STATIC void * 2956 pccbb_pcmcia_intr_establish(pch, pf, ipl, func, arg) 2957 pcmcia_chipset_handle_t pch; 2958 struct pcmcia_function *pf; 2959 int ipl; 2960 int (*func) __P((void *)); 2961 void *arg; 2962 { 2963 struct pcic_handle *ph = (struct pcic_handle *)pch; 2964 struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; 2965 2966 if (!(pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)) { 2967 /* what should I do? */ 2968 if ((pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)) { 2969 DPRINTF( 2970 ("%s does not provide edge nor pulse interrupt\n", 2971 sc->sc_dev.dv_xname)); 2972 return NULL; 2973 } 2974 /* 2975 * XXX Noooooo! The interrupt flag must set properly!! 2976 * dumb pcmcia driver!! 2977 */ 2978 } 2979 2980 return pccbb_intr_establish(sc, 0, ipl, func, arg); 2981 } 2982 2983 /* 2984 * STATIC void pccbb_pcmcia_intr_disestablish(pcmcia_chipset_handle_t pch, 2985 * void *ih) 2986 * 2987 * This function disables PC-Card interrupt. 2988 */ 2989 STATIC void 2990 pccbb_pcmcia_intr_disestablish(pch, ih) 2991 pcmcia_chipset_handle_t pch; 2992 void *ih; 2993 { 2994 struct pcic_handle *ph = (struct pcic_handle *)pch; 2995 struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; 2996 2997 pccbb_intr_disestablish(sc, ih); 2998 } 2999 3000 #if rbus 3001 /* 3002 * static int 3003 * pccbb_rbus_cb_space_alloc(cardbus_chipset_tag_t ct, rbus_tag_t rb, 3004 * bus_addr_t addr, bus_size_t size, 3005 * bus_addr_t mask, bus_size_t align, 3006 * int flags, bus_addr_t *addrp; 3007 * bus_space_handle_t *bshp) 3008 * 3009 * This function allocates a portion of memory or io space for 3010 * clients. This function is called from CardBus card drivers. 3011 */ 3012 static int 3013 pccbb_rbus_cb_space_alloc(ct, rb, addr, size, mask, align, flags, addrp, bshp) 3014 cardbus_chipset_tag_t ct; 3015 rbus_tag_t rb; 3016 bus_addr_t addr; 3017 bus_size_t size; 3018 bus_addr_t mask; 3019 bus_size_t align; 3020 int flags; 3021 bus_addr_t *addrp; 3022 bus_space_handle_t *bshp; 3023 { 3024 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 3025 3026 DPRINTF( 3027 ("pccbb_rbus_cb_space_alloc: adr %lx, size %lx, mask %lx, align %lx\n", 3028 addr, size, mask, align)); 3029 3030 if (align == 0) { 3031 align = size; 3032 } 3033 3034 if (rb->rb_bt == sc->sc_memt) { 3035 if (align < 16) { 3036 return 1; 3037 } 3038 /* 3039 * XXX: align more than 0x1000 to avoid overwrapping 3040 * memory windows for two or more devices. 0x1000 3041 * means memory window's granularity. 3042 * 3043 * Two or more devices should be able to share same 3044 * memory window region. However, overrapping memory 3045 * window is not good because some devices, such as 3046 * 3Com 3C575[BC], have a broken address decoder and 3047 * intrude other's memory region. 3048 */ 3049 if (align < 0x1000) { 3050 align = 0x1000; 3051 } 3052 } else if (rb->rb_bt == sc->sc_iot) { 3053 if (align < 4) { 3054 return 1; 3055 } 3056 /* XXX: hack for avoiding ISA image */ 3057 if (mask < 0x0100) { 3058 mask = 0x3ff; 3059 addr = 0x300; 3060 } 3061 3062 } else { 3063 DPRINTF( 3064 ("pccbb_rbus_cb_space_alloc: Bus space tag %x is NOT used. io: %d, mem: %d\n", 3065 rb->rb_bt, sc->sc_iot, sc->sc_memt)); 3066 return 1; 3067 /* XXX: panic here? */ 3068 } 3069 3070 if (rbus_space_alloc(rb, addr, size, mask, align, flags, addrp, bshp)) { 3071 printf("%s: <rbus> no bus space\n", sc->sc_dev.dv_xname); 3072 return 1; 3073 } 3074 3075 pccbb_open_win(sc, rb->rb_bt, *addrp, size, *bshp, 0); 3076 3077 return 0; 3078 } 3079 3080 /* 3081 * static int 3082 * pccbb_rbus_cb_space_free(cardbus_chipset_tag_t *ct, rbus_tag_t rb, 3083 * bus_space_handle_t *bshp, bus_size_t size); 3084 * 3085 * This function is called from CardBus card drivers. 3086 */ 3087 static int 3088 pccbb_rbus_cb_space_free(ct, rb, bsh, size) 3089 cardbus_chipset_tag_t ct; 3090 rbus_tag_t rb; 3091 bus_space_handle_t bsh; 3092 bus_size_t size; 3093 { 3094 struct pccbb_softc *sc = (struct pccbb_softc *)ct; 3095 bus_space_tag_t bt = rb->rb_bt; 3096 3097 pccbb_close_win(sc, bt, bsh, size); 3098 3099 if (bt == sc->sc_memt) { 3100 } else if (bt == sc->sc_iot) { 3101 } else { 3102 return 1; 3103 /* XXX: panic here? */ 3104 } 3105 3106 return rbus_space_free(rb, bsh, size, NULL); 3107 } 3108 #endif /* rbus */ 3109 3110 #if rbus 3111 3112 static int 3113 pccbb_open_win(sc, bst, addr, size, bsh, flags) 3114 struct pccbb_softc *sc; 3115 bus_space_tag_t bst; 3116 bus_addr_t addr; 3117 bus_size_t size; 3118 bus_space_handle_t bsh; 3119 int flags; 3120 { 3121 struct pccbb_win_chain_head *head; 3122 bus_addr_t align; 3123 3124 head = &sc->sc_iowindow; 3125 align = 0x04; 3126 if (sc->sc_memt == bst) { 3127 head = &sc->sc_memwindow; 3128 align = 0x1000; 3129 DPRINTF(("using memory window, %x %x %x\n\n", 3130 sc->sc_iot, sc->sc_memt, bst)); 3131 } 3132 3133 if (pccbb_winlist_insert(head, addr, size, bsh, flags)) { 3134 printf("%s: pccbb_open_win: %s winlist insert failed\n", 3135 sc->sc_dev.dv_xname, 3136 (head == &sc->sc_memwindow) ? "mem" : "io"); 3137 } 3138 pccbb_winset(align, sc, bst); 3139 3140 return 0; 3141 } 3142 3143 static int 3144 pccbb_close_win(sc, bst, bsh, size) 3145 struct pccbb_softc *sc; 3146 bus_space_tag_t bst; 3147 bus_space_handle_t bsh; 3148 bus_size_t size; 3149 { 3150 struct pccbb_win_chain_head *head; 3151 bus_addr_t align; 3152 3153 head = &sc->sc_iowindow; 3154 align = 0x04; 3155 if (sc->sc_memt == bst) { 3156 head = &sc->sc_memwindow; 3157 align = 0x1000; 3158 } 3159 3160 if (pccbb_winlist_delete(head, bsh, size)) { 3161 printf("%s: pccbb_close_win: %s winlist delete failed\n", 3162 sc->sc_dev.dv_xname, 3163 (head == &sc->sc_memwindow) ? "mem" : "io"); 3164 } 3165 pccbb_winset(align, sc, bst); 3166 3167 return 0; 3168 } 3169 3170 static int 3171 pccbb_winlist_insert(head, start, size, bsh, flags) 3172 struct pccbb_win_chain_head *head; 3173 bus_addr_t start; 3174 bus_size_t size; 3175 bus_space_handle_t bsh; 3176 int flags; 3177 { 3178 struct pccbb_win_chain *chainp, *elem; 3179 3180 if ((elem = malloc(sizeof(struct pccbb_win_chain), M_DEVBUF, 3181 M_NOWAIT)) == NULL) 3182 return (1); /* fail */ 3183 3184 elem->wc_start = start; 3185 elem->wc_end = start + (size - 1); 3186 elem->wc_handle = bsh; 3187 elem->wc_flags = flags; 3188 3189 for (chainp = TAILQ_FIRST(head); chainp != NULL; 3190 chainp = TAILQ_NEXT(chainp, wc_list)) { 3191 if (chainp->wc_end < start) 3192 continue; 3193 TAILQ_INSERT_AFTER(head, chainp, elem, wc_list); 3194 return (0); 3195 } 3196 3197 TAILQ_INSERT_TAIL(head, elem, wc_list); 3198 return (0); 3199 } 3200 3201 static int 3202 pccbb_winlist_delete(head, bsh, size) 3203 struct pccbb_win_chain_head *head; 3204 bus_space_handle_t bsh; 3205 bus_size_t size; 3206 { 3207 struct pccbb_win_chain *chainp; 3208 3209 for (chainp = TAILQ_FIRST(head); chainp != NULL; 3210 chainp = TAILQ_NEXT(chainp, wc_list)) { 3211 if (memcmp(&chainp->wc_handle, &bsh, sizeof(bsh))) 3212 continue; 3213 if ((chainp->wc_end - chainp->wc_start) != (size - 1)) { 3214 printf("pccbb_winlist_delete: window 0x%lx size " 3215 "inconsistent: 0x%lx, 0x%lx\n", 3216 (unsigned long)chainp->wc_start, 3217 (unsigned long)(chainp->wc_end - chainp->wc_start), 3218 (unsigned long)(size - 1)); 3219 return 1; 3220 } 3221 3222 TAILQ_REMOVE(head, chainp, wc_list); 3223 free(chainp, M_DEVBUF); 3224 3225 return 0; 3226 } 3227 3228 return 1; /* fail: no candidate to remove */ 3229 } 3230 3231 static void 3232 pccbb_winset(align, sc, bst) 3233 bus_addr_t align; 3234 struct pccbb_softc *sc; 3235 bus_space_tag_t bst; 3236 { 3237 pci_chipset_tag_t pc; 3238 pcitag_t tag; 3239 bus_addr_t mask = ~(align - 1); 3240 struct { 3241 cardbusreg_t win_start; 3242 cardbusreg_t win_limit; 3243 int win_flags; 3244 } win[2]; 3245 struct pccbb_win_chain *chainp; 3246 int offs; 3247 3248 win[0].win_start = win[1].win_start = 0xffffffff; 3249 win[0].win_limit = win[1].win_limit = 0; 3250 win[0].win_flags = win[1].win_flags = 0; 3251 3252 chainp = TAILQ_FIRST(&sc->sc_iowindow); 3253 offs = 0x2c; 3254 if (sc->sc_memt == bst) { 3255 chainp = TAILQ_FIRST(&sc->sc_memwindow); 3256 offs = 0x1c; 3257 } 3258 3259 if (chainp != NULL) { 3260 win[0].win_start = chainp->wc_start & mask; 3261 win[0].win_limit = chainp->wc_end & mask; 3262 win[0].win_flags = chainp->wc_flags; 3263 chainp = TAILQ_NEXT(chainp, wc_list); 3264 } 3265 3266 for (; chainp != NULL; chainp = TAILQ_NEXT(chainp, wc_list)) { 3267 if (win[1].win_start == 0xffffffff) { 3268 /* window 1 is not used */ 3269 if ((win[0].win_flags == chainp->wc_flags) && 3270 (win[0].win_limit + align >= 3271 (chainp->wc_start & mask))) { 3272 /* concatenate */ 3273 win[0].win_limit = chainp->wc_end & mask; 3274 } else { 3275 /* make new window */ 3276 win[1].win_start = chainp->wc_start & mask; 3277 win[1].win_limit = chainp->wc_end & mask; 3278 win[1].win_flags = chainp->wc_flags; 3279 } 3280 continue; 3281 } 3282 3283 /* Both windows are engaged. */ 3284 if (win[0].win_flags == win[1].win_flags) { 3285 /* same flags */ 3286 if (win[0].win_flags == chainp->wc_flags) { 3287 if (win[1].win_start - (win[0].win_limit + 3288 align) < 3289 (chainp->wc_start & mask) - 3290 ((chainp->wc_end & mask) + align)) { 3291 /* 3292 * merge window 0 and 1, and set win1 3293 * to chainp 3294 */ 3295 win[0].win_limit = win[1].win_limit; 3296 win[1].win_start = 3297 chainp->wc_start & mask; 3298 win[1].win_limit = 3299 chainp->wc_end & mask; 3300 } else { 3301 win[1].win_limit = 3302 chainp->wc_end & mask; 3303 } 3304 } else { 3305 /* different flags */ 3306 3307 /* concatenate win0 and win1 */ 3308 win[0].win_limit = win[1].win_limit; 3309 /* allocate win[1] to new space */ 3310 win[1].win_start = chainp->wc_start & mask; 3311 win[1].win_limit = chainp->wc_end & mask; 3312 win[1].win_flags = chainp->wc_flags; 3313 } 3314 } else { 3315 /* the flags of win[0] and win[1] is different */ 3316 if (win[0].win_flags == chainp->wc_flags) { 3317 win[0].win_limit = chainp->wc_end & mask; 3318 /* 3319 * XXX this creates overlapping windows, so 3320 * what should the poor bridge do if one is 3321 * cachable, and the other is not? 3322 */ 3323 printf("%s: overlapping windows\n", 3324 sc->sc_dev.dv_xname); 3325 } else { 3326 win[1].win_limit = chainp->wc_end & mask; 3327 } 3328 } 3329 } 3330 3331 pc = sc->sc_pc; 3332 tag = sc->sc_tag; 3333 pci_conf_write(pc, tag, offs, win[0].win_start); 3334 pci_conf_write(pc, tag, offs + 4, win[0].win_limit); 3335 pci_conf_write(pc, tag, offs + 8, win[1].win_start); 3336 pci_conf_write(pc, tag, offs + 12, win[1].win_limit); 3337 DPRINTF(("--pccbb_winset: win0 [%x, %lx), win1 [%x, %lx)\n", 3338 pci_conf_read(pc, tag, offs), 3339 pci_conf_read(pc, tag, offs + 4) + align, 3340 pci_conf_read(pc, tag, offs + 8), 3341 pci_conf_read(pc, tag, offs + 12) + align)); 3342 3343 if (bst == sc->sc_memt) { 3344 pcireg_t bcr = pci_conf_read(pc, tag, PCI_BCR_INTR); 3345 3346 bcr &= ~(CB_BCR_PREFETCH_MEMWIN0 | CB_BCR_PREFETCH_MEMWIN1); 3347 if (win[0].win_flags & PCCBB_MEM_CACHABLE) 3348 bcr |= CB_BCR_PREFETCH_MEMWIN0; 3349 if (win[1].win_flags & PCCBB_MEM_CACHABLE) 3350 bcr |= CB_BCR_PREFETCH_MEMWIN1; 3351 pci_conf_write(pc, tag, PCI_BCR_INTR, bcr); 3352 } 3353 } 3354 3355 #endif /* rbus */ 3356 3357 static void 3358 pccbb_powerhook(why, arg) 3359 int why; 3360 void *arg; 3361 { 3362 struct pccbb_softc *sc = arg; 3363 pcireg_t reg; 3364 bus_space_tag_t base_memt = sc->sc_base_memt; /* socket regs memory */ 3365 bus_space_handle_t base_memh = sc->sc_base_memh; 3366 3367 DPRINTF(("%s: power: why %d\n", sc->sc_dev.dv_xname, why)); 3368 3369 if (why == PWR_SUSPEND || why == PWR_STANDBY) { 3370 DPRINTF(("%s: power: why %d stopping intr\n", sc->sc_dev.dv_xname, why)); 3371 if (sc->sc_pil_intr_enable) { 3372 (void)pccbbintr_function(sc); 3373 } 3374 sc->sc_pil_intr_enable = 0; 3375 3376 /* ToDo: deactivate or suspend child devices */ 3377 3378 } 3379 3380 if (why == PWR_RESUME) { 3381 if (sc->sc_pwrmgt_offs != 0) { 3382 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, 3383 sc->sc_pwrmgt_offs + 4); 3384 if ((reg & PCI_PMCSR_STATE_MASK) != PCI_PMCSR_STATE_D0 || 3385 reg & 0x100) { 3386 /* powrstate != D0 */ 3387 3388 printf("%s going back to D0 mode\n", 3389 sc->sc_dev.dv_xname); 3390 reg &= ~PCI_PMCSR_STATE_MASK; 3391 reg |= PCI_PMCSR_STATE_D0; 3392 reg &= ~(0x100 /* PCI_PMCSR_PME_EN */); 3393 pci_conf_write(sc->sc_pc, sc->sc_tag, 3394 sc->sc_pwrmgt_offs + 4, reg); 3395 3396 pci_conf_write(sc->sc_pc, sc->sc_tag, 3397 PCI_SOCKBASE, sc->sc_sockbase); 3398 pci_conf_write(sc->sc_pc, sc->sc_tag, 3399 PCI_BUSNUM, sc->sc_busnum); 3400 pccbb_chipinit(sc); 3401 /* setup memory and io space window for CB */ 3402 pccbb_winset(0x1000, sc, sc->sc_memt); 3403 pccbb_winset(0x04, sc, sc->sc_iot); 3404 } 3405 } 3406 3407 if (pci_conf_read (sc->sc_pc, sc->sc_tag, PCI_SOCKBASE) == 0) 3408 /* BIOS did not recover this register */ 3409 pci_conf_write (sc->sc_pc, sc->sc_tag, 3410 PCI_SOCKBASE, sc->sc_sockbase); 3411 if (pci_conf_read (sc->sc_pc, sc->sc_tag, PCI_BUSNUM) == 0) 3412 /* BIOS did not recover this register */ 3413 pci_conf_write (sc->sc_pc, sc->sc_tag, 3414 PCI_BUSNUM, sc->sc_busnum); 3415 /* CSC Interrupt: Card detect interrupt on */ 3416 reg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_MASK); 3417 /* Card detect intr is turned on. */ 3418 reg |= CB_SOCKET_MASK_CD; 3419 bus_space_write_4(base_memt, base_memh, CB_SOCKET_MASK, reg); 3420 /* reset interrupt */ 3421 reg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT); 3422 bus_space_write_4(base_memt, base_memh, CB_SOCKET_EVENT, reg); 3423 3424 /* 3425 * check for card insertion or removal during suspend period. 3426 * XXX: the code can't cope with card swap (remove then 3427 * insert). how can we detect such situation? 3428 */ 3429 (void)pccbbintr(sc); 3430 3431 sc->sc_pil_intr_enable = 1; 3432 DPRINTF(("%s: power: RESUME enabling intr\n", sc->sc_dev.dv_xname)); 3433 3434 /* ToDo: activate or wakeup child devices */ 3435 } 3436 } 3437
Indexes created Fri Sep 26 08:10:20 GMT 2025