1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * timberdale.c timberdale FPGA MFD driver 4 * Copyright (c) 2009 Intel Corporation 5 */ 6 7 /* Supports: 8 * Timberdale FPGA 9 */ 10 11 #include <linux/kernel.h> 12 #include <linux/module.h> 13 #include <linux/pci.h> 14 #include <linux/msi.h> 15 #include <linux/mfd/core.h> 16 #include <linux/slab.h> 17 18 #include <linux/timb_gpio.h> 19 20 #include <linux/i2c.h> 21 #include <linux/platform_data/i2c-ocores.h> 22 #include <linux/platform_data/i2c-xiic.h> 23 24 #include <linux/spi/spi.h> 25 #include <linux/spi/xilinx_spi.h> 26 #include <linux/spi/max7301.h> 27 #include <linux/spi/mc33880.h> 28 29 #include <linux/platform_data/tsc2007.h> 30 #include <linux/platform_data/media/timb_radio.h> 31 #include <linux/platform_data/media/timb_video.h> 32 33 #include <linux/timb_dma.h> 34 35 #include <linux/ks8842.h> 36 37 #include "timberdale.h" 38 39 #define DRIVER_NAME "timberdale" 40 41 struct timberdale_device { 42 resource_size_t ctl_mapbase; 43 unsigned char __iomem *ctl_membase; 44 struct { 45 u32 major; 46 u32 minor; 47 u32 config; 48 } fw; 49 }; 50 51 /*--------------------------------------------------------------------------*/ 52 53 static struct tsc2007_platform_data timberdale_tsc2007_platform_data = { 54 .model = 2003, 55 .x_plate_ohms = 100 56 }; 57 58 static struct i2c_board_info timberdale_i2c_board_info[] = { 59 { 60 I2C_BOARD_INFO("tsc2007", 0x48), 61 .platform_data = &timberdale_tsc2007_platform_data, 62 .irq = IRQ_TIMBERDALE_TSC_INT 63 }, 64 }; 65 66 static struct xiic_i2c_platform_data 67 timberdale_xiic_platform_data = { 68 .devices = timberdale_i2c_board_info, 69 .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) 70 }; 71 72 static struct ocores_i2c_platform_data 73 timberdale_ocores_platform_data = { 74 .reg_shift = 2, 75 .clock_khz = 62500, 76 .devices = timberdale_i2c_board_info, 77 .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) 78 }; 79 80 static const struct resource timberdale_xiic_resources[] = { 81 { 82 .start = XIICOFFSET, 83 .end = XIICEND, 84 .flags = IORESOURCE_MEM, 85 }, 86 { 87 .start = IRQ_TIMBERDALE_I2C, 88 .end = IRQ_TIMBERDALE_I2C, 89 .flags = IORESOURCE_IRQ, 90 }, 91 }; 92 93 static const struct resource timberdale_ocores_resources[] = { 94 { 95 .start = OCORESOFFSET, 96 .end = OCORESEND, 97 .flags = IORESOURCE_MEM, 98 }, 99 { 100 .start = IRQ_TIMBERDALE_I2C, 101 .end = IRQ_TIMBERDALE_I2C, 102 .flags = IORESOURCE_IRQ, 103 }, 104 }; 105 106 static const struct max7301_platform_data timberdale_max7301_platform_data = { 107 .base = 200 108 }; 109 110 static const struct mc33880_platform_data timberdale_mc33880_platform_data = { 111 .base = 100 112 }; 113 114 static struct spi_board_info timberdale_spi_16bit_board_info[] = { 115 { 116 .modalias = "max7301", 117 .max_speed_hz = 26000, 118 .chip_select = 2, 119 .mode = SPI_MODE_0, 120 .platform_data = &timberdale_max7301_platform_data 121 }, 122 }; 123 124 static struct spi_board_info timberdale_spi_8bit_board_info[] = { 125 { 126 .modalias = "mc33880", 127 .max_speed_hz = 4000, 128 .chip_select = 1, 129 .mode = SPI_MODE_1, 130 .platform_data = &timberdale_mc33880_platform_data 131 }, 132 }; 133 134 static struct xspi_platform_data timberdale_xspi_platform_data = { 135 .num_chipselect = 3, 136 /* bits per word and devices will be filled in runtime depending 137 * on the HW config 138 */ 139 }; 140 141 static const struct resource timberdale_spi_resources[] = { 142 { 143 .start = SPIOFFSET, 144 .end = SPIEND, 145 .flags = IORESOURCE_MEM, 146 }, 147 { 148 .start = IRQ_TIMBERDALE_SPI, 149 .end = IRQ_TIMBERDALE_SPI, 150 .flags = IORESOURCE_IRQ, 151 }, 152 }; 153 154 static struct ks8842_platform_data 155 timberdale_ks8842_platform_data = { 156 .rx_dma_channel = DMA_ETH_RX, 157 .tx_dma_channel = DMA_ETH_TX 158 }; 159 160 static const struct resource timberdale_eth_resources[] = { 161 { 162 .start = ETHOFFSET, 163 .end = ETHEND, 164 .flags = IORESOURCE_MEM, 165 }, 166 { 167 .start = IRQ_TIMBERDALE_ETHSW_IF, 168 .end = IRQ_TIMBERDALE_ETHSW_IF, 169 .flags = IORESOURCE_IRQ, 170 }, 171 }; 172 173 static struct timbgpio_platform_data 174 timberdale_gpio_platform_data = { 175 .gpio_base = 0, 176 .nr_pins = GPIO_NR_PINS, 177 .irq_base = 200, 178 }; 179 180 static const struct resource timberdale_gpio_resources[] = { 181 { 182 .start = GPIOOFFSET, 183 .end = GPIOEND, 184 .flags = IORESOURCE_MEM, 185 }, 186 { 187 .start = IRQ_TIMBERDALE_GPIO, 188 .end = IRQ_TIMBERDALE_GPIO, 189 .flags = IORESOURCE_IRQ, 190 }, 191 }; 192 193 static const struct resource timberdale_mlogicore_resources[] = { 194 { 195 .start = MLCOREOFFSET, 196 .end = MLCOREEND, 197 .flags = IORESOURCE_MEM, 198 }, 199 { 200 .start = IRQ_TIMBERDALE_MLCORE, 201 .end = IRQ_TIMBERDALE_MLCORE, 202 .flags = IORESOURCE_IRQ, 203 }, 204 { 205 .start = IRQ_TIMBERDALE_MLCORE_BUF, 206 .end = IRQ_TIMBERDALE_MLCORE_BUF, 207 .flags = IORESOURCE_IRQ, 208 }, 209 }; 210 211 static const struct resource timberdale_uart_resources[] = { 212 { 213 .start = UARTOFFSET, 214 .end = UARTEND, 215 .flags = IORESOURCE_MEM, 216 }, 217 { 218 .start = IRQ_TIMBERDALE_UART, 219 .end = IRQ_TIMBERDALE_UART, 220 .flags = IORESOURCE_IRQ, 221 }, 222 }; 223 224 static const struct resource timberdale_uartlite_resources[] = { 225 { 226 .start = UARTLITEOFFSET, 227 .end = UARTLITEEND, 228 .flags = IORESOURCE_MEM, 229 }, 230 { 231 .start = IRQ_TIMBERDALE_UARTLITE, 232 .end = IRQ_TIMBERDALE_UARTLITE, 233 .flags = IORESOURCE_IRQ, 234 }, 235 }; 236 237 static struct i2c_board_info timberdale_adv7180_i2c_board_info = { 238 /* Requires jumper JP9 to be off */ 239 I2C_BOARD_INFO("adv7180", 0x42 >> 1), 240 .irq = IRQ_TIMBERDALE_ADV7180 241 }; 242 243 static struct timb_video_platform_data 244 timberdale_video_platform_data = { 245 .dma_channel = DMA_VIDEO_RX, 246 .i2c_adapter = 0, 247 .encoder = { 248 .info = &timberdale_adv7180_i2c_board_info 249 } 250 }; 251 252 static const struct resource 253 timberdale_radio_resources[] = { 254 { 255 .start = RDSOFFSET, 256 .end = RDSEND, 257 .flags = IORESOURCE_MEM, 258 }, 259 { 260 .start = IRQ_TIMBERDALE_RDS, 261 .end = IRQ_TIMBERDALE_RDS, 262 .flags = IORESOURCE_IRQ, 263 }, 264 }; 265 266 static struct i2c_board_info timberdale_tef6868_i2c_board_info = { 267 I2C_BOARD_INFO("tef6862", 0x60) 268 }; 269 270 static struct i2c_board_info timberdale_saa7706_i2c_board_info = { 271 I2C_BOARD_INFO("saa7706h", 0x1C) 272 }; 273 274 static struct timb_radio_platform_data 275 timberdale_radio_platform_data = { 276 .i2c_adapter = 0, 277 .tuner = &timberdale_tef6868_i2c_board_info, 278 .dsp = &timberdale_saa7706_i2c_board_info 279 }; 280 281 static const struct resource timberdale_video_resources[] = { 282 { 283 .start = LOGIWOFFSET, 284 .end = LOGIWEND, 285 .flags = IORESOURCE_MEM, 286 }, 287 /* 288 note that the "frame buffer" is located in DMA area 289 starting at 0x1200000 290 */ 291 }; 292 293 static struct timb_dma_platform_data timb_dma_platform_data = { 294 .nr_channels = 10, 295 .channels = { 296 { 297 /* UART RX */ 298 .rx = true, 299 .descriptors = 2, 300 .descriptor_elements = 1 301 }, 302 { 303 /* UART TX */ 304 .rx = false, 305 .descriptors = 2, 306 .descriptor_elements = 1 307 }, 308 { 309 /* MLB RX */ 310 .rx = true, 311 .descriptors = 2, 312 .descriptor_elements = 1 313 }, 314 { 315 /* MLB TX */ 316 .rx = false, 317 .descriptors = 2, 318 .descriptor_elements = 1 319 }, 320 { 321 /* Video RX */ 322 .rx = true, 323 .bytes_per_line = 1440, 324 .descriptors = 2, 325 .descriptor_elements = 16 326 }, 327 { 328 /* Video framedrop */ 329 }, 330 { 331 /* SDHCI RX */ 332 .rx = true, 333 }, 334 { 335 /* SDHCI TX */ 336 }, 337 { 338 /* ETH RX */ 339 .rx = true, 340 .descriptors = 2, 341 .descriptor_elements = 1 342 }, 343 { 344 /* ETH TX */ 345 .rx = false, 346 .descriptors = 2, 347 .descriptor_elements = 1 348 }, 349 } 350 }; 351 352 static const struct resource timberdale_dma_resources[] = { 353 { 354 .start = DMAOFFSET, 355 .end = DMAEND, 356 .flags = IORESOURCE_MEM, 357 }, 358 { 359 .start = IRQ_TIMBERDALE_DMA, 360 .end = IRQ_TIMBERDALE_DMA, 361 .flags = IORESOURCE_IRQ, 362 }, 363 }; 364 365 static const struct mfd_cell timberdale_cells_bar0_cfg0[] = { 366 { 367 .name = "timb-dma", 368 .num_resources = ARRAY_SIZE(timberdale_dma_resources), 369 .resources = timberdale_dma_resources, 370 .platform_data = &timb_dma_platform_data, 371 .pdata_size = sizeof(timb_dma_platform_data), 372 }, 373 { 374 .name = "timb-uart", 375 .num_resources = ARRAY_SIZE(timberdale_uart_resources), 376 .resources = timberdale_uart_resources, 377 }, 378 { 379 .name = "xiic-i2c", 380 .num_resources = ARRAY_SIZE(timberdale_xiic_resources), 381 .resources = timberdale_xiic_resources, 382 .platform_data = &timberdale_xiic_platform_data, 383 .pdata_size = sizeof(timberdale_xiic_platform_data), 384 }, 385 { 386 .name = "timb-gpio", 387 .num_resources = ARRAY_SIZE(timberdale_gpio_resources), 388 .resources = timberdale_gpio_resources, 389 .platform_data = &timberdale_gpio_platform_data, 390 .pdata_size = sizeof(timberdale_gpio_platform_data), 391 }, 392 { 393 .name = "timb-video", 394 .num_resources = ARRAY_SIZE(timberdale_video_resources), 395 .resources = timberdale_video_resources, 396 .platform_data = &timberdale_video_platform_data, 397 .pdata_size = sizeof(timberdale_video_platform_data), 398 }, 399 { 400 .name = "timb-radio", 401 .num_resources = ARRAY_SIZE(timberdale_radio_resources), 402 .resources = timberdale_radio_resources, 403 .platform_data = &timberdale_radio_platform_data, 404 .pdata_size = sizeof(timberdale_radio_platform_data), 405 }, 406 { 407 .name = "xilinx_spi", 408 .num_resources = ARRAY_SIZE(timberdale_spi_resources), 409 .resources = timberdale_spi_resources, 410 .platform_data = &timberdale_xspi_platform_data, 411 .pdata_size = sizeof(timberdale_xspi_platform_data), 412 }, 413 { 414 .name = "ks8842", 415 .num_resources = ARRAY_SIZE(timberdale_eth_resources), 416 .resources = timberdale_eth_resources, 417 .platform_data = &timberdale_ks8842_platform_data, 418 .pdata_size = sizeof(timberdale_ks8842_platform_data), 419 }, 420 }; 421 422 static const struct mfd_cell timberdale_cells_bar0_cfg1[] = { 423 { 424 .name = "timb-dma", 425 .num_resources = ARRAY_SIZE(timberdale_dma_resources), 426 .resources = timberdale_dma_resources, 427 .platform_data = &timb_dma_platform_data, 428 .pdata_size = sizeof(timb_dma_platform_data), 429 }, 430 { 431 .name = "timb-uart", 432 .num_resources = ARRAY_SIZE(timberdale_uart_resources), 433 .resources = timberdale_uart_resources, 434 }, 435 { 436 .name = "uartlite", 437 .num_resources = ARRAY_SIZE(timberdale_uartlite_resources), 438 .resources = timberdale_uartlite_resources, 439 }, 440 { 441 .name = "xiic-i2c", 442 .num_resources = ARRAY_SIZE(timberdale_xiic_resources), 443 .resources = timberdale_xiic_resources, 444 .platform_data = &timberdale_xiic_platform_data, 445 .pdata_size = sizeof(timberdale_xiic_platform_data), 446 }, 447 { 448 .name = "timb-gpio", 449 .num_resources = ARRAY_SIZE(timberdale_gpio_resources), 450 .resources = timberdale_gpio_resources, 451 .platform_data = &timberdale_gpio_platform_data, 452 .pdata_size = sizeof(timberdale_gpio_platform_data), 453 }, 454 { 455 .name = "timb-mlogicore", 456 .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources), 457 .resources = timberdale_mlogicore_resources, 458 }, 459 { 460 .name = "timb-video", 461 .num_resources = ARRAY_SIZE(timberdale_video_resources), 462 .resources = timberdale_video_resources, 463 .platform_data = &timberdale_video_platform_data, 464 .pdata_size = sizeof(timberdale_video_platform_data), 465 }, 466 { 467 .name = "timb-radio", 468 .num_resources = ARRAY_SIZE(timberdale_radio_resources), 469 .resources = timberdale_radio_resources, 470 .platform_data = &timberdale_radio_platform_data, 471 .pdata_size = sizeof(timberdale_radio_platform_data), 472 }, 473 { 474 .name = "xilinx_spi", 475 .num_resources = ARRAY_SIZE(timberdale_spi_resources), 476 .resources = timberdale_spi_resources, 477 .platform_data = &timberdale_xspi_platform_data, 478 .pdata_size = sizeof(timberdale_xspi_platform_data), 479 }, 480 { 481 .name = "ks8842", 482 .num_resources = ARRAY_SIZE(timberdale_eth_resources), 483 .resources = timberdale_eth_resources, 484 .platform_data = &timberdale_ks8842_platform_data, 485 .pdata_size = sizeof(timberdale_ks8842_platform_data), 486 }, 487 }; 488 489 static const struct mfd_cell timberdale_cells_bar0_cfg2[] = { 490 { 491 .name = "timb-dma", 492 .num_resources = ARRAY_SIZE(timberdale_dma_resources), 493 .resources = timberdale_dma_resources, 494 .platform_data = &timb_dma_platform_data, 495 .pdata_size = sizeof(timb_dma_platform_data), 496 }, 497 { 498 .name = "timb-uart", 499 .num_resources = ARRAY_SIZE(timberdale_uart_resources), 500 .resources = timberdale_uart_resources, 501 }, 502 { 503 .name = "xiic-i2c", 504 .num_resources = ARRAY_SIZE(timberdale_xiic_resources), 505 .resources = timberdale_xiic_resources, 506 .platform_data = &timberdale_xiic_platform_data, 507 .pdata_size = sizeof(timberdale_xiic_platform_data), 508 }, 509 { 510 .name = "timb-gpio", 511 .num_resources = ARRAY_SIZE(timberdale_gpio_resources), 512 .resources = timberdale_gpio_resources, 513 .platform_data = &timberdale_gpio_platform_data, 514 .pdata_size = sizeof(timberdale_gpio_platform_data), 515 }, 516 { 517 .name = "timb-video", 518 .num_resources = ARRAY_SIZE(timberdale_video_resources), 519 .resources = timberdale_video_resources, 520 .platform_data = &timberdale_video_platform_data, 521 .pdata_size = sizeof(timberdale_video_platform_data), 522 }, 523 { 524 .name = "timb-radio", 525 .num_resources = ARRAY_SIZE(timberdale_radio_resources), 526 .resources = timberdale_radio_resources, 527 .platform_data = &timberdale_radio_platform_data, 528 .pdata_size = sizeof(timberdale_radio_platform_data), 529 }, 530 { 531 .name = "xilinx_spi", 532 .num_resources = ARRAY_SIZE(timberdale_spi_resources), 533 .resources = timberdale_spi_resources, 534 .platform_data = &timberdale_xspi_platform_data, 535 .pdata_size = sizeof(timberdale_xspi_platform_data), 536 }, 537 }; 538 539 static const struct mfd_cell timberdale_cells_bar0_cfg3[] = { 540 { 541 .name = "timb-dma", 542 .num_resources = ARRAY_SIZE(timberdale_dma_resources), 543 .resources = timberdale_dma_resources, 544 .platform_data = &timb_dma_platform_data, 545 .pdata_size = sizeof(timb_dma_platform_data), 546 }, 547 { 548 .name = "timb-uart", 549 .num_resources = ARRAY_SIZE(timberdale_uart_resources), 550 .resources = timberdale_uart_resources, 551 }, 552 { 553 .name = "ocores-i2c", 554 .num_resources = ARRAY_SIZE(timberdale_ocores_resources), 555 .resources = timberdale_ocores_resources, 556 .platform_data = &timberdale_ocores_platform_data, 557 .pdata_size = sizeof(timberdale_ocores_platform_data), 558 }, 559 { 560 .name = "timb-gpio", 561 .num_resources = ARRAY_SIZE(timberdale_gpio_resources), 562 .resources = timberdale_gpio_resources, 563 .platform_data = &timberdale_gpio_platform_data, 564 .pdata_size = sizeof(timberdale_gpio_platform_data), 565 }, 566 { 567 .name = "timb-video", 568 .num_resources = ARRAY_SIZE(timberdale_video_resources), 569 .resources = timberdale_video_resources, 570 .platform_data = &timberdale_video_platform_data, 571 .pdata_size = sizeof(timberdale_video_platform_data), 572 }, 573 { 574 .name = "timb-radio", 575 .num_resources = ARRAY_SIZE(timberdale_radio_resources), 576 .resources = timberdale_radio_resources, 577 .platform_data = &timberdale_radio_platform_data, 578 .pdata_size = sizeof(timberdale_radio_platform_data), 579 }, 580 { 581 .name = "xilinx_spi", 582 .num_resources = ARRAY_SIZE(timberdale_spi_resources), 583 .resources = timberdale_spi_resources, 584 .platform_data = &timberdale_xspi_platform_data, 585 .pdata_size = sizeof(timberdale_xspi_platform_data), 586 }, 587 { 588 .name = "ks8842", 589 .num_resources = ARRAY_SIZE(timberdale_eth_resources), 590 .resources = timberdale_eth_resources, 591 .platform_data = &timberdale_ks8842_platform_data, 592 .pdata_size = sizeof(timberdale_ks8842_platform_data), 593 }, 594 }; 595 596 static const struct resource timberdale_sdhc_resources[] = { 597 /* located in bar 1 and bar 2 */ 598 { 599 .start = SDHC0OFFSET, 600 .end = SDHC0END, 601 .flags = IORESOURCE_MEM, 602 }, 603 { 604 .start = IRQ_TIMBERDALE_SDHC, 605 .end = IRQ_TIMBERDALE_SDHC, 606 .flags = IORESOURCE_IRQ, 607 }, 608 }; 609 610 static const struct mfd_cell timberdale_cells_bar1[] = { 611 { 612 .name = "sdhci", 613 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), 614 .resources = timberdale_sdhc_resources, 615 }, 616 }; 617 618 static const struct mfd_cell timberdale_cells_bar2[] = { 619 { 620 .name = "sdhci", 621 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), 622 .resources = timberdale_sdhc_resources, 623 }, 624 }; 625 626 static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, 627 char *buf) 628 { 629 struct timberdale_device *priv = dev_get_drvdata(dev); 630 631 return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor, 632 priv->fw.config); 633 } 634 635 static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); 636 637 /*--------------------------------------------------------------------------*/ 638 639 static int timb_probe(struct pci_dev *dev, 640 const struct pci_device_id *id) 641 { 642 struct timberdale_device *priv; 643 int err, i; 644 resource_size_t mapbase; 645 struct msix_entry *msix_entries = NULL; 646 u8 ip_setup; 647 648 priv = kzalloc(sizeof(*priv), GFP_KERNEL); 649 if (!priv) 650 return -ENOMEM; 651 652 pci_set_drvdata(dev, priv); 653 654 err = pci_enable_device(dev); 655 if (err) 656 goto err_enable; 657 658 mapbase = pci_resource_start(dev, 0); 659 if (!mapbase) { 660 dev_err(&dev->dev, "No resource\n"); 661 goto err_start; 662 } 663 664 /* create a resource for the PCI master register */ 665 priv->ctl_mapbase = mapbase + CHIPCTLOFFSET; 666 if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) { 667 dev_err(&dev->dev, "Failed to request ctl mem\n"); 668 goto err_start; 669 } 670 671 priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE); 672 if (!priv->ctl_membase) { 673 dev_err(&dev->dev, "ioremap failed for ctl mem\n"); 674 goto err_ioremap; 675 } 676 677 /* read the HW config */ 678 priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR); 679 priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR); 680 priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG); 681 682 if (priv->fw.major > TIMB_SUPPORTED_MAJOR) { 683 dev_err(&dev->dev, "The driver supports an older " 684 "version of the FPGA, please update the driver to " 685 "support %d.%d\n", priv->fw.major, priv->fw.minor); 686 goto err_config; 687 } 688 if (priv->fw.major < TIMB_SUPPORTED_MAJOR || 689 priv->fw.minor < TIMB_REQUIRED_MINOR) { 690 dev_err(&dev->dev, "The FPGA image is too old (%d.%d), " 691 "please upgrade the FPGA to at least: %d.%d\n", 692 priv->fw.major, priv->fw.minor, 693 TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR); 694 goto err_config; 695 } 696 697 msix_entries = kcalloc(TIMBERDALE_NR_IRQS, sizeof(*msix_entries), 698 GFP_KERNEL); 699 if (!msix_entries) 700 goto err_config; 701 702 for (i = 0; i < TIMBERDALE_NR_IRQS; i++) 703 msix_entries[i].entry = i; 704 705 err = pci_enable_msix_exact(dev, msix_entries, TIMBERDALE_NR_IRQS); 706 if (err) { 707 dev_err(&dev->dev, 708 "MSI-X init failed: %d, expected entries: %d\n", 709 err, TIMBERDALE_NR_IRQS); 710 goto err_msix; 711 } 712 713 err = device_create_file(&dev->dev, &dev_attr_fw_ver); 714 if (err) 715 goto err_create_file; 716 717 /* Reset all FPGA PLB peripherals */ 718 iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST); 719 720 /* update IRQ offsets in I2C board info */ 721 for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++) 722 timberdale_i2c_board_info[i].irq = 723 msix_entries[timberdale_i2c_board_info[i].irq].vector; 724 725 /* Update the SPI configuration depending on the HW (8 or 16 bit) */ 726 if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) { 727 timberdale_xspi_platform_data.bits_per_word = 8; 728 timberdale_xspi_platform_data.devices = 729 timberdale_spi_8bit_board_info; 730 timberdale_xspi_platform_data.num_devices = 731 ARRAY_SIZE(timberdale_spi_8bit_board_info); 732 } else { 733 timberdale_xspi_platform_data.bits_per_word = 16; 734 timberdale_xspi_platform_data.devices = 735 timberdale_spi_16bit_board_info; 736 timberdale_xspi_platform_data.num_devices = 737 ARRAY_SIZE(timberdale_spi_16bit_board_info); 738 } 739 740 ip_setup = priv->fw.config & TIMB_HW_VER_MASK; 741 switch (ip_setup) { 742 case TIMB_HW_VER0: 743 err = mfd_add_devices(&dev->dev, -1, 744 timberdale_cells_bar0_cfg0, 745 ARRAY_SIZE(timberdale_cells_bar0_cfg0), 746 &dev->resource[0], msix_entries[0].vector, NULL); 747 break; 748 case TIMB_HW_VER1: 749 err = mfd_add_devices(&dev->dev, -1, 750 timberdale_cells_bar0_cfg1, 751 ARRAY_SIZE(timberdale_cells_bar0_cfg1), 752 &dev->resource[0], msix_entries[0].vector, NULL); 753 break; 754 case TIMB_HW_VER2: 755 err = mfd_add_devices(&dev->dev, -1, 756 timberdale_cells_bar0_cfg2, 757 ARRAY_SIZE(timberdale_cells_bar0_cfg2), 758 &dev->resource[0], msix_entries[0].vector, NULL); 759 break; 760 case TIMB_HW_VER3: 761 err = mfd_add_devices(&dev->dev, -1, 762 timberdale_cells_bar0_cfg3, 763 ARRAY_SIZE(timberdale_cells_bar0_cfg3), 764 &dev->resource[0], msix_entries[0].vector, NULL); 765 break; 766 default: 767 dev_err(&dev->dev, "Unknown IP setup: %d.%d.%d\n", 768 priv->fw.major, priv->fw.minor, ip_setup); 769 err = -ENODEV; 770 goto err_mfd; 771 } 772 773 if (err) { 774 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); 775 goto err_mfd; 776 } 777 778 err = mfd_add_devices(&dev->dev, 0, 779 timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1), 780 &dev->resource[1], msix_entries[0].vector, NULL); 781 if (err) { 782 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); 783 goto err_mfd2; 784 } 785 786 /* only version 0 and 3 have the iNand routed to SDHCI */ 787 if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) || 788 ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) { 789 err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2, 790 ARRAY_SIZE(timberdale_cells_bar2), 791 &dev->resource[2], msix_entries[0].vector, NULL); 792 if (err) { 793 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); 794 goto err_mfd2; 795 } 796 } 797 798 kfree(msix_entries); 799 800 dev_info(&dev->dev, 801 "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n", 802 priv->fw.major, priv->fw.minor, priv->fw.config); 803 804 return 0; 805 806 err_mfd2: 807 mfd_remove_devices(&dev->dev); 808 err_mfd: 809 device_remove_file(&dev->dev, &dev_attr_fw_ver); 810 err_create_file: 811 pci_disable_msix(dev); 812 err_msix: 813 kfree(msix_entries); 814 err_config: 815 iounmap(priv->ctl_membase); 816 err_ioremap: 817 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); 818 err_start: 819 pci_disable_device(dev); 820 err_enable: 821 kfree(priv); 822 return -ENODEV; 823 } 824 825 static void timb_remove(struct pci_dev *dev) 826 { 827 struct timberdale_device *priv = pci_get_drvdata(dev); 828 829 mfd_remove_devices(&dev->dev); 830 831 device_remove_file(&dev->dev, &dev_attr_fw_ver); 832 833 iounmap(priv->ctl_membase); 834 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); 835 836 pci_disable_msix(dev); 837 pci_disable_device(dev); 838 kfree(priv); 839 } 840 841 static const struct pci_device_id timberdale_pci_tbl[] = { 842 { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) }, 843 { 0 } 844 }; 845 MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl); 846 847 static struct pci_driver timberdale_pci_driver = { 848 .name = DRIVER_NAME, 849 .id_table = timberdale_pci_tbl, 850 .probe = timb_probe, 851 .remove = timb_remove, 852 }; 853 854 module_pci_driver(timberdale_pci_driver); 855 856 MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>"); 857 MODULE_VERSION(DRV_VERSION); 858 MODULE_LICENSE("GPL v2"); 859