Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/sdhci/sdhci_pci.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2008 Alexander Motin <mav@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include "opt_mmccam.h" 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/bus.h> 36 #include <sys/kernel.h> 37 #include <sys/lock.h> 38 #include <sys/module.h> 39 #include <sys/mutex.h> 40 #include <sys/resource.h> 41 #include <sys/rman.h> 42 #include <sys/sysctl.h> 43 #include <sys/taskqueue.h> 44 45 #include <dev/pci/pcireg.h> 46 #include <dev/pci/pcivar.h> 47 48 #include <machine/bus.h> 49 #include <machine/resource.h> 50 51 #include <dev/mmc/bridge.h> 52 53 #include <dev/sdhci/sdhci.h> 54 55 #include "mmcbr_if.h" 56 #include "sdhci_if.h" 57 58 /* 59 * PCI registers 60 */ 61 #define PCI_SDHCI_IFPIO 0x00 62 #define PCI_SDHCI_IFDMA 0x01 63 #define PCI_SDHCI_IFVENDOR 0x02 64 65 #define PCI_SLOT_INFO 0x40 /* 8 bits */ 66 #define PCI_SLOT_INFO_SLOTS(x) (((x >> 4) & 7) + 1) 67 #define PCI_SLOT_INFO_FIRST_BAR(x) ((x) & 7) 68 69 /* 70 * RICOH specific PCI registers 71 */ 72 #define SDHC_PCI_MODE_KEY 0xf9 73 #define SDHC_PCI_MODE 0x150 74 #define SDHC_PCI_MODE_SD20 0x10 75 #define SDHC_PCI_BASE_FREQ_KEY 0xfc 76 #define SDHC_PCI_BASE_FREQ 0xe1 77 78 static const struct sdhci_device { 79 uint32_t model; 80 uint16_t subvendor; 81 const char *desc; 82 u_int quirks; 83 } sdhci_devices[] = { 84 { 0x08221180, 0xffff, "RICOH R5C822 SD", 85 SDHCI_QUIRK_FORCE_DMA }, 86 { 0xe8221180, 0xffff, "RICOH R5CE822 SD", 87 SDHCI_QUIRK_FORCE_DMA | 88 SDHCI_QUIRK_LOWER_FREQUENCY }, 89 { 0xe8231180, 0xffff, "RICOH R5CE823 SD", 90 SDHCI_QUIRK_LOWER_FREQUENCY }, 91 { 0x8034104c, 0xffff, "TI XX21/XX11 SD", 92 SDHCI_QUIRK_FORCE_DMA }, 93 { 0x803c104c, 0xffff, "TI XX12 SD", 94 SDHCI_QUIRK_FORCE_DMA | 95 SDHCI_QUIRK_WAITFOR_RESET_ASSERTED }, 96 { 0x05501524, 0xffff, "ENE CB712 SD", 97 SDHCI_QUIRK_BROKEN_TIMINGS }, 98 { 0x05511524, 0xffff, "ENE CB712 SD 2", 99 SDHCI_QUIRK_BROKEN_TIMINGS }, 100 { 0x07501524, 0xffff, "ENE CB714 SD", 101 SDHCI_QUIRK_RESET_ON_IOS | 102 SDHCI_QUIRK_BROKEN_TIMINGS }, 103 { 0x07511524, 0xffff, "ENE CB714 SD 2", 104 SDHCI_QUIRK_RESET_ON_IOS | 105 SDHCI_QUIRK_BROKEN_TIMINGS }, 106 { 0x410111ab, 0xffff, "Marvell CaFe SD", 107 SDHCI_QUIRK_INCR_TIMEOUT_CONTROL }, 108 { 0x2381197B, 0xffff, "JMicron JMB38X SD", 109 SDHCI_QUIRK_32BIT_DMA_SIZE | 110 SDHCI_QUIRK_RESET_AFTER_REQUEST }, 111 { 0x16bc14e4, 0xffff, "Broadcom BCM577xx SDXC/MMC Card Reader", 112 SDHCI_QUIRK_BCM577XX_400KHZ_CLKSRC }, 113 { 0x0f148086, 0xffff, "Intel Bay Trail eMMC 4.5 Controller", 114 /* DDR52 is supported but affected by the VLI54 erratum */ 115 SDHCI_QUIRK_INTEL_POWER_UP_RESET | 116 SDHCI_QUIRK_WAIT_WHILE_BUSY | 117 SDHCI_QUIRK_CAPS_BIT63_FOR_MMC_HS400 | 118 SDHCI_QUIRK_PRESET_VALUE_BROKEN}, 119 { 0x0f158086, 0xffff, "Intel Bay Trail SDXC Controller", 120 SDHCI_QUIRK_WAIT_WHILE_BUSY | 121 SDHCI_QUIRK_PRESET_VALUE_BROKEN }, 122 { 0x0f508086, 0xffff, "Intel Bay Trail eMMC 4.5 Controller", 123 /* DDR52 is supported but affected by the VLI54 erratum */ 124 SDHCI_QUIRK_INTEL_POWER_UP_RESET | 125 SDHCI_QUIRK_WAIT_WHILE_BUSY | 126 SDHCI_QUIRK_CAPS_BIT63_FOR_MMC_HS400 | 127 SDHCI_QUIRK_PRESET_VALUE_BROKEN }, 128 { 0x19db8086, 0xffff, "Intel Denverton eMMC 5.0 Controller", 129 SDHCI_QUIRK_INTEL_POWER_UP_RESET | 130 SDHCI_QUIRK_WAIT_WHILE_BUSY | 131 SDHCI_QUIRK_MMC_DDR52 | 132 SDHCI_QUIRK_CAPS_BIT63_FOR_MMC_HS400 | 133 SDHCI_QUIRK_PRESET_VALUE_BROKEN }, 134 { 0x22948086, 0xffff, "Intel Braswell eMMC 4.5.1 Controller", 135 SDHCI_QUIRK_DATA_TIMEOUT_1MHZ | 136 SDHCI_QUIRK_INTEL_POWER_UP_RESET | 137 SDHCI_QUIRK_WAIT_WHILE_BUSY | 138 SDHCI_QUIRK_MMC_DDR52 | 139 SDHCI_QUIRK_CAPS_BIT63_FOR_MMC_HS400 | 140 SDHCI_QUIRK_PRESET_VALUE_BROKEN }, 141 { 0x22968086, 0xffff, "Intel Braswell SDXC Controller", 142 SDHCI_QUIRK_WAIT_WHILE_BUSY | 143 SDHCI_QUIRK_PRESET_VALUE_BROKEN }, 144 { 0x5aca8086, 0xffff, "Intel Apollo Lake SDXC Controller", 145 SDHCI_QUIRK_BROKEN_DMA | /* APL18 erratum */ 146 SDHCI_QUIRK_WAIT_WHILE_BUSY | 147 SDHCI_QUIRK_PRESET_VALUE_BROKEN }, 148 { 0x5acc8086, 0xffff, "Intel Apollo Lake eMMC 5.0 Controller", 149 SDHCI_QUIRK_BROKEN_DMA | /* APL18 erratum */ 150 SDHCI_QUIRK_INTEL_POWER_UP_RESET | 151 SDHCI_QUIRK_WAIT_WHILE_BUSY | 152 SDHCI_QUIRK_MMC_DDR52 | 153 SDHCI_QUIRK_CAPS_BIT63_FOR_MMC_HS400 | 154 SDHCI_QUIRK_PRESET_VALUE_BROKEN }, 155 { 0, 0xffff, NULL, 156 0 } 157 }; 158 159 struct sdhci_pci_softc { 160 u_int quirks; /* Chip specific quirks */ 161 struct resource *irq_res; /* IRQ resource */ 162 void *intrhand; /* Interrupt handle */ 163 164 int num_slots; /* Number of slots on this controller */ 165 struct sdhci_slot slots[6]; 166 struct resource *mem_res[6]; /* Memory resource */ 167 uint8_t cfg_freq; /* Saved frequency */ 168 uint8_t cfg_mode; /* Saved mode */ 169 }; 170 171 static int sdhci_enable_msi = 1; 172 SYSCTL_INT(_hw_sdhci, OID_AUTO, enable_msi, CTLFLAG_RDTUN, &sdhci_enable_msi, 173 0, "Enable MSI interrupts"); 174 175 static uint8_t 176 sdhci_pci_read_1(device_t dev, struct sdhci_slot *slot __unused, bus_size_t off) 177 { 178 struct sdhci_pci_softc *sc = device_get_softc(dev); 179 180 bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 181 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 182 return bus_read_1(sc->mem_res[slot->num], off); 183 } 184 185 static void 186 sdhci_pci_write_1(device_t dev, struct sdhci_slot *slot __unused, 187 bus_size_t off, uint8_t val) 188 { 189 struct sdhci_pci_softc *sc = device_get_softc(dev); 190 191 bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 192 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 193 bus_write_1(sc->mem_res[slot->num], off, val); 194 } 195 196 static uint16_t 197 sdhci_pci_read_2(device_t dev, struct sdhci_slot *slot __unused, bus_size_t off) 198 { 199 struct sdhci_pci_softc *sc = device_get_softc(dev); 200 201 bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 202 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 203 return bus_read_2(sc->mem_res[slot->num], off); 204 } 205 206 static void 207 sdhci_pci_write_2(device_t dev, struct sdhci_slot *slot __unused, 208 bus_size_t off, uint16_t val) 209 { 210 struct sdhci_pci_softc *sc = device_get_softc(dev); 211 212 bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 213 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 214 bus_write_2(sc->mem_res[slot->num], off, val); 215 } 216 217 static uint32_t 218 sdhci_pci_read_4(device_t dev, struct sdhci_slot *slot __unused, bus_size_t off) 219 { 220 struct sdhci_pci_softc *sc = device_get_softc(dev); 221 222 bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 223 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 224 return bus_read_4(sc->mem_res[slot->num], off); 225 } 226 227 static void 228 sdhci_pci_write_4(device_t dev, struct sdhci_slot *slot __unused, 229 bus_size_t off, uint32_t val) 230 { 231 struct sdhci_pci_softc *sc = device_get_softc(dev); 232 233 bus_barrier(sc->mem_res[slot->num], 0, 0xFF, 234 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); 235 bus_write_4(sc->mem_res[slot->num], off, val); 236 } 237 238 static void 239 sdhci_pci_read_multi_4(device_t dev, struct sdhci_slot *slot __unused, 240 bus_size_t off, uint32_t *data, bus_size_t count) 241 { 242 struct sdhci_pci_softc *sc = device_get_softc(dev); 243 244 bus_read_multi_stream_4(sc->mem_res[slot->num], off, data, count); 245 } 246 247 static void 248 sdhci_pci_write_multi_4(device_t dev, struct sdhci_slot *slot __unused, 249 bus_size_t off, uint32_t *data, bus_size_t count) 250 { 251 struct sdhci_pci_softc *sc = device_get_softc(dev); 252 253 bus_write_multi_stream_4(sc->mem_res[slot->num], off, data, count); 254 } 255 256 static void sdhci_pci_intr(void *arg); 257 258 static void 259 sdhci_lower_frequency(device_t dev) 260 { 261 struct sdhci_pci_softc *sc = device_get_softc(dev); 262 263 /* 264 * Enable SD2.0 mode. 265 * NB: for RICOH R5CE823, this changes the PCI device ID to 0xe822. 266 */ 267 pci_write_config(dev, SDHC_PCI_MODE_KEY, 0xfc, 1); 268 sc->cfg_mode = pci_read_config(dev, SDHC_PCI_MODE, 1); 269 pci_write_config(dev, SDHC_PCI_MODE, SDHC_PCI_MODE_SD20, 1); 270 pci_write_config(dev, SDHC_PCI_MODE_KEY, 0x00, 1); 271 272 /* 273 * Some SD/MMC cards don't work with the default base 274 * clock frequency of 200 MHz. Lower it to 50 MHz. 275 */ 276 pci_write_config(dev, SDHC_PCI_BASE_FREQ_KEY, 0x01, 1); 277 sc->cfg_freq = pci_read_config(dev, SDHC_PCI_BASE_FREQ, 1); 278 pci_write_config(dev, SDHC_PCI_BASE_FREQ, 50, 1); 279 pci_write_config(dev, SDHC_PCI_BASE_FREQ_KEY, 0x00, 1); 280 } 281 282 static void 283 sdhci_restore_frequency(device_t dev) 284 { 285 struct sdhci_pci_softc *sc = device_get_softc(dev); 286 287 /* Restore mode. */ 288 pci_write_config(dev, SDHC_PCI_MODE_KEY, 0xfc, 1); 289 pci_write_config(dev, SDHC_PCI_MODE, sc->cfg_mode, 1); 290 pci_write_config(dev, SDHC_PCI_MODE_KEY, 0x00, 1); 291 292 /* Restore frequency. */ 293 pci_write_config(dev, SDHC_PCI_BASE_FREQ_KEY, 0x01, 1); 294 pci_write_config(dev, SDHC_PCI_BASE_FREQ, sc->cfg_freq, 1); 295 pci_write_config(dev, SDHC_PCI_BASE_FREQ_KEY, 0x00, 1); 296 } 297 298 static int 299 sdhci_pci_probe(device_t dev) 300 { 301 uint32_t model; 302 uint16_t subvendor; 303 uint8_t class, subclass; 304 int i, result; 305 306 model = (uint32_t)pci_get_device(dev) << 16; 307 model |= (uint32_t)pci_get_vendor(dev) & 0x0000ffff; 308 subvendor = pci_get_subvendor(dev); 309 class = pci_get_class(dev); 310 subclass = pci_get_subclass(dev); 311 312 result = ENXIO; 313 for (i = 0; sdhci_devices[i].model != 0; i++) { 314 if (sdhci_devices[i].model == model && 315 (sdhci_devices[i].subvendor == 0xffff || 316 sdhci_devices[i].subvendor == subvendor)) { 317 device_set_desc(dev, sdhci_devices[i].desc); 318 result = BUS_PROBE_DEFAULT; 319 break; 320 } 321 } 322 if (result == ENXIO && class == PCIC_BASEPERIPH && 323 subclass == PCIS_BASEPERIPH_SDHC) { 324 device_set_desc(dev, "Generic SD HCI"); 325 result = BUS_PROBE_GENERIC; 326 } 327 328 return (result); 329 } 330 331 static int 332 sdhci_pci_attach(device_t dev) 333 { 334 struct sdhci_pci_softc *sc = device_get_softc(dev); 335 struct sdhci_slot *slot; 336 uint32_t model; 337 uint16_t subvendor; 338 int bar, err, rid, slots, i; 339 340 model = (uint32_t)pci_get_device(dev) << 16; 341 model |= (uint32_t)pci_get_vendor(dev) & 0x0000ffff; 342 subvendor = pci_get_subvendor(dev); 343 /* Apply chip specific quirks. */ 344 for (i = 0; sdhci_devices[i].model != 0; i++) { 345 if (sdhci_devices[i].model == model && 346 (sdhci_devices[i].subvendor == 0xffff || 347 sdhci_devices[i].subvendor == subvendor)) { 348 sc->quirks = sdhci_devices[i].quirks; 349 break; 350 } 351 } 352 sc->quirks &= ~sdhci_quirk_clear; 353 sc->quirks |= sdhci_quirk_set; 354 355 /* Some controllers need to be bumped into the right mode. */ 356 if (sc->quirks & SDHCI_QUIRK_LOWER_FREQUENCY) 357 sdhci_lower_frequency(dev); 358 /* Read slots info from PCI registers. */ 359 slots = pci_read_config(dev, PCI_SLOT_INFO, 1); 360 bar = PCI_SLOT_INFO_FIRST_BAR(slots); 361 slots = PCI_SLOT_INFO_SLOTS(slots); 362 if (slots > 6 || bar > 5) { 363 device_printf(dev, "Incorrect slots information (%d, %d).\n", 364 slots, bar); 365 return (EINVAL); 366 } 367 /* Allocate IRQ. */ 368 i = 1; 369 rid = 0; 370 if (sdhci_enable_msi != 0 && pci_alloc_msi(dev, &i) == 0) 371 rid = 1; 372 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 373 RF_ACTIVE | (rid != 0 ? 0 : RF_SHAREABLE)); 374 if (sc->irq_res == NULL) { 375 device_printf(dev, "Can't allocate IRQ\n"); 376 pci_release_msi(dev); 377 return (ENOMEM); 378 } 379 /* Scan all slots. */ 380 for (i = 0; i < slots; i++) { 381 slot = &sc->slots[sc->num_slots]; 382 383 /* Allocate memory. */ 384 rid = PCIR_BAR(bar + i); 385 sc->mem_res[i] = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 386 &rid, RF_ACTIVE); 387 if (sc->mem_res[i] == NULL) { 388 device_printf(dev, 389 "Can't allocate memory for slot %d\n", i); 390 continue; 391 } 392 393 slot->quirks = sc->quirks; 394 395 if (sdhci_init_slot(dev, slot, i) != 0) 396 continue; 397 398 sc->num_slots++; 399 } 400 device_printf(dev, "%d slot(s) allocated\n", sc->num_slots); 401 /* Activate the interrupt */ 402 err = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE, 403 NULL, sdhci_pci_intr, sc, &sc->intrhand); 404 if (err) 405 device_printf(dev, "Can't setup IRQ\n"); 406 pci_enable_busmaster(dev); 407 /* Process cards detection. */ 408 for (i = 0; i < sc->num_slots; i++) { 409 sdhci_start_slot(&sc->slots[i]); 410 } 411 412 return (0); 413 } 414 415 static int 416 sdhci_pci_detach(device_t dev) 417 { 418 struct sdhci_pci_softc *sc = device_get_softc(dev); 419 int i; 420 421 bus_teardown_intr(dev, sc->irq_res, sc->intrhand); 422 bus_release_resource(dev, SYS_RES_IRQ, 423 rman_get_rid(sc->irq_res), sc->irq_res); 424 pci_release_msi(dev); 425 426 for (i = 0; i < sc->num_slots; i++) { 427 sdhci_cleanup_slot(&sc->slots[i]); 428 bus_release_resource(dev, SYS_RES_MEMORY, 429 rman_get_rid(sc->mem_res[i]), sc->mem_res[i]); 430 } 431 if (sc->quirks & SDHCI_QUIRK_LOWER_FREQUENCY) 432 sdhci_restore_frequency(dev); 433 return (0); 434 } 435 436 static int 437 sdhci_pci_shutdown(device_t dev) 438 { 439 struct sdhci_pci_softc *sc = device_get_softc(dev); 440 441 if (sc->quirks & SDHCI_QUIRK_LOWER_FREQUENCY) 442 sdhci_restore_frequency(dev); 443 return (0); 444 } 445 446 static int 447 sdhci_pci_suspend(device_t dev) 448 { 449 struct sdhci_pci_softc *sc = device_get_softc(dev); 450 int i, err; 451 452 err = bus_generic_suspend(dev); 453 if (err) 454 return (err); 455 for (i = 0; i < sc->num_slots; i++) 456 sdhci_generic_suspend(&sc->slots[i]); 457 return (0); 458 } 459 460 static int 461 sdhci_pci_resume(device_t dev) 462 { 463 struct sdhci_pci_softc *sc = device_get_softc(dev); 464 int i, err; 465 466 for (i = 0; i < sc->num_slots; i++) 467 sdhci_generic_resume(&sc->slots[i]); 468 err = bus_generic_resume(dev); 469 if (err) 470 return (err); 471 if (sc->quirks & SDHCI_QUIRK_LOWER_FREQUENCY) 472 sdhci_lower_frequency(dev); 473 return (0); 474 } 475 476 static void 477 sdhci_pci_intr(void *arg) 478 { 479 struct sdhci_pci_softc *sc = (struct sdhci_pci_softc *)arg; 480 int i; 481 482 for (i = 0; i < sc->num_slots; i++) 483 sdhci_generic_intr(&sc->slots[i]); 484 } 485 486 static device_method_t sdhci_methods[] = { 487 /* device_if */ 488 DEVMETHOD(device_probe, sdhci_pci_probe), 489 DEVMETHOD(device_attach, sdhci_pci_attach), 490 DEVMETHOD(device_detach, sdhci_pci_detach), 491 DEVMETHOD(device_shutdown, sdhci_pci_shutdown), 492 DEVMETHOD(device_suspend, sdhci_pci_suspend), 493 DEVMETHOD(device_resume, sdhci_pci_resume), 494 495 /* Bus interface */ 496 DEVMETHOD(bus_read_ivar, sdhci_generic_read_ivar), 497 DEVMETHOD(bus_write_ivar, sdhci_generic_write_ivar), 498 499 /* mmcbr_if */ 500 DEVMETHOD(mmcbr_update_ios, sdhci_generic_update_ios), 501 DEVMETHOD(mmcbr_switch_vccq, sdhci_generic_switch_vccq), 502 DEVMETHOD(mmcbr_tune, sdhci_generic_tune), 503 DEVMETHOD(mmcbr_retune, sdhci_generic_retune), 504 DEVMETHOD(mmcbr_request, sdhci_generic_request), 505 DEVMETHOD(mmcbr_get_ro, sdhci_generic_get_ro), 506 DEVMETHOD(mmcbr_acquire_host, sdhci_generic_acquire_host), 507 DEVMETHOD(mmcbr_release_host, sdhci_generic_release_host), 508 509 /* SDHCI accessors */ 510 DEVMETHOD(sdhci_read_1, sdhci_pci_read_1), 511 DEVMETHOD(sdhci_read_2, sdhci_pci_read_2), 512 DEVMETHOD(sdhci_read_4, sdhci_pci_read_4), 513 DEVMETHOD(sdhci_read_multi_4, sdhci_pci_read_multi_4), 514 DEVMETHOD(sdhci_write_1, sdhci_pci_write_1), 515 DEVMETHOD(sdhci_write_2, sdhci_pci_write_2), 516 DEVMETHOD(sdhci_write_4, sdhci_pci_write_4), 517 DEVMETHOD(sdhci_write_multi_4, sdhci_pci_write_multi_4), 518 DEVMETHOD(sdhci_set_uhs_timing, sdhci_generic_set_uhs_timing), 519 520 DEVMETHOD_END 521 }; 522 523 static driver_t sdhci_pci_driver = { 524 "sdhci_pci", 525 sdhci_methods, 526 sizeof(struct sdhci_pci_softc), 527 }; 528 529 DRIVER_MODULE(sdhci_pci, pci, sdhci_pci_driver, NULL, NULL); 530 SDHCI_DEPEND(sdhci_pci); 531 532 #ifndef MMCCAM 533 MMC_DECLARE_BRIDGE(sdhci_pci); 534 #endif
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