drivers/mfd/timberdale.c

   1 /*
   2  * timberdale.c timberdale FPGA MFD driver
   3  * Copyright (c) 2009 Intel Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 /* Supports:
  20  * Timberdale FPGA
  21  */
  22
  23 #include <linux/kernel.h>
  24 #include <linux/module.h>
  25 #include <linux/pci.h>
  26 #include <linux/msi.h>
  27 #include <linux/mfd/core.h>
  28 #include <linux/slab.h>
  29
  30 #include <linux/timb_gpio.h>
  31
  32 #include <linux/i2c.h>
  33 #include <linux/i2c-ocores.h>
  34 #include <linux/i2c-xiic.h>
  35 #include <linux/i2c/tsc2007.h>
  36
  37 #include <linux/spi/spi.h>
  38 #include <linux/spi/xilinx_spi.h>
  39 #include <linux/spi/max7301.h>
  40 #include <linux/spi/mc33880.h>
  41
  42 #include <media/timb_radio.h>
  43 #include <media/timb_video.h>
  44
  45 #include <linux/timb_dma.h>
  46
  47 #include <linux/ks8842.h>
  48
  49 #include "timberdale.h"
  50
  51 #define DRIVER_NAME "timberdale"
  52
  53 struct timberdale_device {
  54         resource_size_t         ctl_mapbase;
  55         unsigned char __iomem   *ctl_membase;
  56         struct {
  57                 u32 major;
  58                 u32 minor;
  59                 u32 config;
  60         } fw;
  61 };
  62
  63 /*--------------------------------------------------------------------------*/
  64
  65 static struct tsc2007_platform_data timberdale_tsc2007_platform_data = {
  66         .model = 2003,
  67         .x_plate_ohms = 100
  68 };
  69
  70 static struct i2c_board_info timberdale_i2c_board_info[] = {
  71         {
  72                 I2C_BOARD_INFO("tsc2007", 0x48),
  73                 .platform_data = &timberdale_tsc2007_platform_data,
  74                 .irq = IRQ_TIMBERDALE_TSC_INT
  75         },
  76 };
  77
  78 static __devinitdata struct xiic_i2c_platform_data
  79 timberdale_xiic_platform_data = {
  80         .devices = timberdale_i2c_board_info,
  81         .num_devices = ARRAY_SIZE(timberdale_i2c_board_info)
  82 };
  83
  84 static __devinitdata struct ocores_i2c_platform_data
  85 timberdale_ocores_platform_data = {
  86         .reg_shift = 2,
  87         .clock_khz = 62500,
  88         .devices = timberdale_i2c_board_info,
  89         .num_devices = ARRAY_SIZE(timberdale_i2c_board_info)
  90 };
  91
  92 static const __devinitconst struct resource timberdale_xiic_resources[] = {
  93         {
  94                 .start  = XIICOFFSET,
  95                 .end    = XIICEND,
  96                 .flags  = IORESOURCE_MEM,
  97         },
  98         {
  99                 .start  = IRQ_TIMBERDALE_I2C,
 100                 .end    = IRQ_TIMBERDALE_I2C,
 101                 .flags  = IORESOURCE_IRQ,
 102         },
 103 };
 104
 105 static const __devinitconst struct resource timberdale_ocores_resources[] = {
 106         {
 107                 .start  = OCORESOFFSET,
 108                 .end    = OCORESEND,
 109                 .flags  = IORESOURCE_MEM,
 110         },
 111         {
 112                 .start  = IRQ_TIMBERDALE_I2C,
 113                 .end    = IRQ_TIMBERDALE_I2C,
 114                 .flags  = IORESOURCE_IRQ,
 115         },
 116 };
 117
 118 const struct max7301_platform_data timberdale_max7301_platform_data = {
 119         .base = 200
 120 };
 121
 122 const struct mc33880_platform_data timberdale_mc33880_platform_data = {
 123         .base = 100
 124 };
 125
 126 static struct spi_board_info timberdale_spi_16bit_board_info[] = {
 127         {
 128                 .modalias = "max7301",
 129                 .max_speed_hz = 26000,
 130                 .chip_select = 2,
 131                 .mode = SPI_MODE_0,
 132                 .platform_data = &timberdale_max7301_platform_data
 133         },
 134 };
 135
 136 static struct spi_board_info timberdale_spi_8bit_board_info[] = {
 137         {
 138                 .modalias = "mc33880",
 139                 .max_speed_hz = 4000,
 140                 .chip_select = 1,
 141                 .mode = SPI_MODE_1,
 142                 .platform_data = &timberdale_mc33880_platform_data
 143         },
 144 };
 145
 146 static __devinitdata struct xspi_platform_data timberdale_xspi_platform_data = {
 147         .num_chipselect = 3,
 148         .little_endian = true,
 149         /* bits per word and devices will be filled in runtime depending
 150          * on the HW config
 151          */
 152 };
 153
 154 static const __devinitconst struct resource timberdale_spi_resources[] = {
 155         {
 156                 .start  = SPIOFFSET,
 157                 .end    = SPIEND,
 158                 .flags  = IORESOURCE_MEM,
 159         },
 160         {
 161                 .start  = IRQ_TIMBERDALE_SPI,
 162                 .end    = IRQ_TIMBERDALE_SPI,
 163                 .flags  = IORESOURCE_IRQ,
 164         },
 165 };
 166
 167 static __devinitdata struct ks8842_platform_data
 168         timberdale_ks8842_platform_data = {
 169         .rx_dma_channel = DMA_ETH_RX,
 170         .tx_dma_channel = DMA_ETH_TX
 171 };
 172
 173 static const __devinitconst struct resource timberdale_eth_resources[] = {
 174         {
 175                 .start  = ETHOFFSET,
 176                 .end    = ETHEND,
 177                 .flags  = IORESOURCE_MEM,
 178         },
 179         {
 180                 .start  = IRQ_TIMBERDALE_ETHSW_IF,
 181                 .end    = IRQ_TIMBERDALE_ETHSW_IF,
 182                 .flags  = IORESOURCE_IRQ,
 183         },
 184 };
 185
 186 static __devinitdata struct timbgpio_platform_data
 187         timberdale_gpio_platform_data = {
 188         .gpio_base = 0,
 189         .nr_pins = GPIO_NR_PINS,
 190         .irq_base = 200,
 191 };
 192
 193 static const __devinitconst struct resource timberdale_gpio_resources[] = {
 194         {
 195                 .start  = GPIOOFFSET,
 196                 .end    = GPIOEND,
 197                 .flags  = IORESOURCE_MEM,
 198         },
 199         {
 200                 .start  = IRQ_TIMBERDALE_GPIO,
 201                 .end    = IRQ_TIMBERDALE_GPIO,
 202                 .flags  = IORESOURCE_IRQ,
 203         },
 204 };
 205
 206 static const __devinitconst struct resource timberdale_mlogicore_resources[] = {
 207         {
 208                 .start  = MLCOREOFFSET,
 209                 .end    = MLCOREEND,
 210                 .flags  = IORESOURCE_MEM,
 211         },
 212         {
 213                 .start  = IRQ_TIMBERDALE_MLCORE,
 214                 .end    = IRQ_TIMBERDALE_MLCORE,
 215                 .flags  = IORESOURCE_IRQ,
 216         },
 217         {
 218                 .start  = IRQ_TIMBERDALE_MLCORE_BUF,
 219                 .end    = IRQ_TIMBERDALE_MLCORE_BUF,
 220                 .flags  = IORESOURCE_IRQ,
 221         },
 222 };
 223
 224 static const __devinitconst struct resource timberdale_uart_resources[] = {
 225         {
 226                 .start  = UARTOFFSET,
 227                 .end    = UARTEND,
 228                 .flags  = IORESOURCE_MEM,
 229         },
 230         {
 231                 .start  = IRQ_TIMBERDALE_UART,
 232                 .end    = IRQ_TIMBERDALE_UART,
 233                 .flags  = IORESOURCE_IRQ,
 234         },
 235 };
 236
 237 static const __devinitconst struct resource timberdale_uartlite_resources[] = {
 238         {
 239                 .start  = UARTLITEOFFSET,
 240                 .end    = UARTLITEEND,
 241                 .flags  = IORESOURCE_MEM,
 242         },
 243         {
 244                 .start  = IRQ_TIMBERDALE_UARTLITE,
 245                 .end    = IRQ_TIMBERDALE_UARTLITE,
 246                 .flags  = IORESOURCE_IRQ,
 247         },
 248 };
 249
 250 static __devinitdata struct i2c_board_info timberdale_adv7180_i2c_board_info = {
 251         /* Requires jumper JP9 to be off */
 252         I2C_BOARD_INFO("adv7180", 0x42 >> 1),
 253         .irq = IRQ_TIMBERDALE_ADV7180
 254 };
 255
 256 static __devinitdata struct timb_video_platform_data
 257         timberdale_video_platform_data = {
 258         .dma_channel = DMA_VIDEO_RX,
 259         .i2c_adapter = 0,
 260         .encoder = {
 261                 .info = &timberdale_adv7180_i2c_board_info
 262         }
 263 };
 264
 265 static const __devinitconst struct resource
 266 timberdale_radio_resources[] = {
 267         {
 268                 .start  = RDSOFFSET,
 269                 .end    = RDSEND,
 270                 .flags  = IORESOURCE_MEM,
 271         },
 272         {
 273                 .start  = IRQ_TIMBERDALE_RDS,
 274                 .end    = IRQ_TIMBERDALE_RDS,
 275                 .flags  = IORESOURCE_IRQ,
 276         },
 277 };
 278
 279 static __devinitdata struct i2c_board_info timberdale_tef6868_i2c_board_info = {
 280         I2C_BOARD_INFO("tef6862", 0x60)
 281 };
 282
 283 static __devinitdata struct i2c_board_info timberdale_saa7706_i2c_board_info = {
 284         I2C_BOARD_INFO("saa7706h", 0x1C)
 285 };
 286
 287 static __devinitdata struct timb_radio_platform_data
 288         timberdale_radio_platform_data = {
 289         .i2c_adapter = 0,
 290         .tuner = &timberdale_tef6868_i2c_board_info,
 291         .dsp = &timberdale_saa7706_i2c_board_info
 292 };
 293
 294 static const __devinitconst struct resource timberdale_video_resources[] = {
 295         {
 296                 .start  = LOGIWOFFSET,
 297                 .end    = LOGIWEND,
 298                 .flags  = IORESOURCE_MEM,
 299         },
 300         /*
 301         note that the "frame buffer" is located in DMA area
 302         starting at 0x1200000
 303         */
 304 };
 305
 306 static __devinitdata struct timb_dma_platform_data timb_dma_platform_data = {
 307         .nr_channels = 10,
 308         .channels = {
 309                 {
 310                         /* UART RX */
 311                         .rx = true,
 312                         .descriptors = 2,
 313                         .descriptor_elements = 1
 314                 },
 315                 {
 316                         /* UART TX */
 317                         .rx = false,
 318                         .descriptors = 2,
 319                         .descriptor_elements = 1
 320                 },
 321                 {
 322                         /* MLB RX */
 323                         .rx = true,
 324                         .descriptors = 2,
 325                         .descriptor_elements = 1
 326                 },
 327                 {
 328                         /* MLB TX */
 329                         .rx = false,
 330                         .descriptors = 2,
 331                         .descriptor_elements = 1
 332                 },
 333                 {
 334                         /* Video RX */
 335                         .rx = true,
 336                         .bytes_per_line = 1440,
 337                         .descriptors = 2,
 338                         .descriptor_elements = 16
 339                 },
 340                 {
 341                         /* Video framedrop */
 342                 },
 343                 {
 344                         /* SDHCI RX */
 345                         .rx = true,
 346                 },
 347                 {
 348                         /* SDHCI TX */
 349                 },
 350                 {
 351                         /* ETH RX */
 352                         .rx = true,
 353                         .descriptors = 2,
 354                         .descriptor_elements = 1
 355                 },
 356                 {
 357                         /* ETH TX */
 358                         .rx = false,
 359                         .descriptors = 2,
 360                         .descriptor_elements = 1
 361                 },
 362         }
 363 };
 364
 365 static const __devinitconst struct resource timberdale_dma_resources[] = {
 366         {
 367                 .start  = DMAOFFSET,
 368                 .end    = DMAEND,
 369                 .flags  = IORESOURCE_MEM,
 370         },
 371         {
 372                 .start  = IRQ_TIMBERDALE_DMA,
 373                 .end    = IRQ_TIMBERDALE_DMA,
 374                 .flags  = IORESOURCE_IRQ,
 375         },
 376 };
 377
 378 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = {
 379         {
 380                 .name = "timb-dma",
 381                 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
 382                 .resources = timberdale_dma_resources,
 383                 .platform_data = &timb_dma_platform_data,
 384                 .pdata_size = sizeof(timb_dma_platform_data),
 385         },
 386         {
 387                 .name = "timb-uart",
 388                 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
 389                 .resources = timberdale_uart_resources,
 390         },
 391         {
 392                 .name = "xiic-i2c",
 393                 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
 394                 .resources = timberdale_xiic_resources,
 395                 .platform_data = &timberdale_xiic_platform_data,
 396                 .pdata_size = sizeof(timberdale_xiic_platform_data),
 397         },
 398         {
 399                 .name = "timb-gpio",
 400                 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
 401                 .resources = timberdale_gpio_resources,
 402                 .platform_data = &timberdale_gpio_platform_data,
 403                 .pdata_size = sizeof(timberdale_gpio_platform_data),
 404         },
 405         {
 406                 .name = "timb-video",
 407                 .num_resources = ARRAY_SIZE(timberdale_video_resources),
 408                 .resources = timberdale_video_resources,
 409                 .platform_data = &timberdale_video_platform_data,
 410                 .pdata_size = sizeof(timberdale_video_platform_data),
 411         },
 412         {
 413                 .name = "timb-radio",
 414                 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
 415                 .resources = timberdale_radio_resources,
 416                 .platform_data = &timberdale_radio_platform_data,
 417                 .pdata_size = sizeof(timberdale_radio_platform_data),
 418         },
 419         {
 420                 .name = "xilinx_spi",
 421                 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
 422                 .resources = timberdale_spi_resources,
 423                 .platform_data = &timberdale_xspi_platform_data,
 424                 .pdata_size = sizeof(timberdale_xspi_platform_data),
 425         },
 426         {
 427                 .name = "ks8842",
 428                 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
 429                 .resources = timberdale_eth_resources,
 430                 .platform_data = &timberdale_ks8842_platform_data,
 431                 .pdata_size = sizeof(timberdale_ks8842_platform_data),
 432         },
 433 };
 434
 435 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = {
 436         {
 437                 .name = "timb-dma",
 438                 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
 439                 .resources = timberdale_dma_resources,
 440                 .platform_data = &timb_dma_platform_data,
 441                 .pdata_size = sizeof(timb_dma_platform_data),
 442         },
 443         {
 444                 .name = "timb-uart",
 445                 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
 446                 .resources = timberdale_uart_resources,
 447         },
 448         {
 449                 .name = "uartlite",
 450                 .num_resources = ARRAY_SIZE(timberdale_uartlite_resources),
 451                 .resources = timberdale_uartlite_resources,
 452         },
 453         {
 454                 .name = "xiic-i2c",
 455                 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
 456                 .resources = timberdale_xiic_resources,
 457                 .platform_data = &timberdale_xiic_platform_data,
 458                 .pdata_size = sizeof(timberdale_xiic_platform_data),
 459         },
 460         {
 461                 .name = "timb-gpio",
 462                 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
 463                 .resources = timberdale_gpio_resources,
 464                 .platform_data = &timberdale_gpio_platform_data,
 465                 .pdata_size = sizeof(timberdale_gpio_platform_data),
 466         },
 467         {
 468                 .name = "timb-mlogicore",
 469                 .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources),
 470                 .resources = timberdale_mlogicore_resources,
 471         },
 472         {
 473                 .name = "timb-video",
 474                 .num_resources = ARRAY_SIZE(timberdale_video_resources),
 475                 .resources = timberdale_video_resources,
 476                 .platform_data = &timberdale_video_platform_data,
 477                 .pdata_size = sizeof(timberdale_video_platform_data),
 478         },
 479         {
 480                 .name = "timb-radio",
 481                 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
 482                 .resources = timberdale_radio_resources,
 483                 .platform_data = &timberdale_radio_platform_data,
 484                 .pdata_size = sizeof(timberdale_radio_platform_data),
 485         },
 486         {
 487                 .name = "xilinx_spi",
 488                 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
 489                 .resources = timberdale_spi_resources,
 490                 .platform_data = &timberdale_xspi_platform_data,
 491                 .pdata_size = sizeof(timberdale_xspi_platform_data),
 492         },
 493         {
 494                 .name = "ks8842",
 495                 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
 496                 .resources = timberdale_eth_resources,
 497                 .platform_data = &timberdale_ks8842_platform_data,
 498                 .pdata_size = sizeof(timberdale_ks8842_platform_data),
 499         },
 500 };
 501
 502 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = {
 503         {
 504                 .name = "timb-dma",
 505                 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
 506                 .resources = timberdale_dma_resources,
 507                 .platform_data = &timb_dma_platform_data,
 508                 .pdata_size = sizeof(timb_dma_platform_data),
 509         },
 510         {
 511                 .name = "timb-uart",
 512                 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
 513                 .resources = timberdale_uart_resources,
 514         },
 515         {
 516                 .name = "xiic-i2c",
 517                 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
 518                 .resources = timberdale_xiic_resources,
 519                 .platform_data = &timberdale_xiic_platform_data,
 520                 .pdata_size = sizeof(timberdale_xiic_platform_data),
 521         },
 522         {
 523                 .name = "timb-gpio",
 524                 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
 525                 .resources = timberdale_gpio_resources,
 526                 .platform_data = &timberdale_gpio_platform_data,
 527                 .pdata_size = sizeof(timberdale_gpio_platform_data),
 528         },
 529         {
 530                 .name = "timb-video",
 531                 .num_resources = ARRAY_SIZE(timberdale_video_resources),
 532                 .resources = timberdale_video_resources,
 533                 .platform_data = &timberdale_video_platform_data,
 534                 .pdata_size = sizeof(timberdale_video_platform_data),
 535         },
 536         {
 537                 .name = "timb-radio",
 538                 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
 539                 .resources = timberdale_radio_resources,
 540                 .platform_data = &timberdale_radio_platform_data,
 541                 .pdata_size = sizeof(timberdale_radio_platform_data),
 542         },
 543         {
 544                 .name = "xilinx_spi",
 545                 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
 546                 .resources = timberdale_spi_resources,
 547                 .platform_data = &timberdale_xspi_platform_data,
 548                 .pdata_size = sizeof(timberdale_xspi_platform_data),
 549         },
 550 };
 551
 552 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = {
 553         {
 554                 .name = "timb-dma",
 555                 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
 556                 .resources = timberdale_dma_resources,
 557                 .platform_data = &timb_dma_platform_data,
 558                 .pdata_size = sizeof(timb_dma_platform_data),
 559         },
 560         {
 561                 .name = "timb-uart",
 562                 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
 563                 .resources = timberdale_uart_resources,
 564         },
 565         {
 566                 .name = "ocores-i2c",
 567                 .num_resources = ARRAY_SIZE(timberdale_ocores_resources),
 568                 .resources = timberdale_ocores_resources,
 569                 .platform_data = &timberdale_ocores_platform_data,
 570                 .pdata_size = sizeof(timberdale_ocores_platform_data),
 571         },
 572         {
 573                 .name = "timb-gpio",
 574                 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
 575                 .resources = timberdale_gpio_resources,
 576                 .platform_data = &timberdale_gpio_platform_data,
 577                 .pdata_size = sizeof(timberdale_gpio_platform_data),
 578         },
 579         {
 580                 .name = "timb-video",
 581                 .num_resources = ARRAY_SIZE(timberdale_video_resources),
 582                 .resources = timberdale_video_resources,
 583                 .platform_data = &timberdale_video_platform_data,
 584                 .pdata_size = sizeof(timberdale_video_platform_data),
 585         },
 586         {
 587                 .name = "timb-radio",
 588                 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
 589                 .resources = timberdale_radio_resources,
 590                 .platform_data = &timberdale_radio_platform_data,
 591                 .pdata_size = sizeof(timberdale_radio_platform_data),
 592         },
 593         {
 594                 .name = "xilinx_spi",
 595                 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
 596                 .resources = timberdale_spi_resources,
 597                 .platform_data = &timberdale_xspi_platform_data,
 598                 .pdata_size = sizeof(timberdale_xspi_platform_data),
 599         },
 600         {
 601                 .name = "ks8842",
 602                 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
 603                 .resources = timberdale_eth_resources,
 604                 .platform_data = &timberdale_ks8842_platform_data,
 605                 .pdata_size = sizeof(timberdale_ks8842_platform_data),
 606         },
 607 };
 608
 609 static const __devinitconst struct resource timberdale_sdhc_resources[] = {
 610         /* located in bar 1 and bar 2 */
 611         {
 612                 .start  = SDHC0OFFSET,
 613                 .end    = SDHC0END,
 614                 .flags  = IORESOURCE_MEM,
 615         },
 616         {
 617                 .start  = IRQ_TIMBERDALE_SDHC,
 618                 .end    = IRQ_TIMBERDALE_SDHC,
 619                 .flags  = IORESOURCE_IRQ,
 620         },
 621 };
 622
 623 static __devinitdata struct mfd_cell timberdale_cells_bar1[] = {
 624         {
 625                 .name = "sdhci",
 626                 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources),
 627                 .resources = timberdale_sdhc_resources,
 628         },
 629 };
 630
 631 static __devinitdata struct mfd_cell timberdale_cells_bar2[] = {
 632         {
 633                 .name = "sdhci",
 634                 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources),
 635                 .resources = timberdale_sdhc_resources,
 636         },
 637 };
 638
 639 static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
 640         char *buf)
 641 {
 642         struct pci_dev *pdev = to_pci_dev(dev);
 643         struct timberdale_device *priv = pci_get_drvdata(pdev);
 644
 645         return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor,
 646                 priv->fw.config);
 647 }
 648
 649 static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
 650
 651 /*--------------------------------------------------------------------------*/
 652
 653 static int __devinit timb_probe(struct pci_dev *dev,
 654         const struct pci_device_id *id)
 655 {
 656         struct timberdale_device *priv;
 657         int err, i;
 658         resource_size_t mapbase;
 659         struct msix_entry *msix_entries = NULL;
 660         u8 ip_setup;
 661
 662         priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 663         if (!priv)
 664                 return -ENOMEM;
 665
 666         pci_set_drvdata(dev, priv);
 667
 668         err = pci_enable_device(dev);
 669         if (err)
 670                 goto err_enable;
 671
 672         mapbase = pci_resource_start(dev, 0);
 673         if (!mapbase) {
 674                 dev_err(&dev->dev, "No resource\n");
 675                 goto err_start;
 676         }
 677
 678         /* create a resource for the PCI master register */
 679         priv->ctl_mapbase = mapbase + CHIPCTLOFFSET;
 680         if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) {
 681                 dev_err(&dev->dev, "Failed to request ctl mem\n");
 682                 goto err_request;
 683         }
 684
 685         priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE);
 686         if (!priv->ctl_membase) {
 687                 dev_err(&dev->dev, "ioremap failed for ctl mem\n");
 688                 goto err_ioremap;
 689         }
 690
 691         /* read the HW config */
 692         priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR);
 693         priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR);
 694         priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG);
 695
 696         if (priv->fw.major > TIMB_SUPPORTED_MAJOR) {
 697                 dev_err(&dev->dev, "The driver supports an older "
 698                         "version of the FPGA, please update the driver to "
 699                         "support %d.%d\n", priv->fw.major, priv->fw.minor);
 700                 goto err_config;
 701         }
 702         if (priv->fw.major < TIMB_SUPPORTED_MAJOR ||
 703                 priv->fw.minor < TIMB_REQUIRED_MINOR) {
 704                 dev_err(&dev->dev, "The FPGA image is too old (%d.%d), "
 705                         "please upgrade the FPGA to at least: %d.%d\n",
 706                         priv->fw.major, priv->fw.minor,
 707                         TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR);
 708                 goto err_config;
 709         }
 710
 711         msix_entries = kzalloc(TIMBERDALE_NR_IRQS * sizeof(*msix_entries),
 712                 GFP_KERNEL);
 713         if (!msix_entries)
 714                 goto err_config;
 715
 716         for (i = 0; i < TIMBERDALE_NR_IRQS; i++)
 717                 msix_entries[i].entry = i;
 718
 719         err = pci_enable_msix(dev, msix_entries, TIMBERDALE_NR_IRQS);
 720         if (err) {
 721                 dev_err(&dev->dev,
 722                         "MSI-X init failed: %d, expected entries: %d\n",
 723                         err, TIMBERDALE_NR_IRQS);
 724                 goto err_msix;
 725         }
 726
 727         err = device_create_file(&dev->dev, &dev_attr_fw_ver);
 728         if (err)
 729                 goto err_create_file;
 730
 731         /* Reset all FPGA PLB peripherals */
 732         iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST);
 733
 734         /* update IRQ offsets in I2C board info */
 735         for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++)
 736                 timberdale_i2c_board_info[i].irq =
 737                         msix_entries[timberdale_i2c_board_info[i].irq].vector;
 738
 739         /* Update the SPI configuration depending on the HW (8 or 16 bit) */
 740         if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) {
 741                 timberdale_xspi_platform_data.bits_per_word = 8;
 742                 timberdale_xspi_platform_data.devices =
 743                         timberdale_spi_8bit_board_info;
 744                 timberdale_xspi_platform_data.num_devices =
 745                         ARRAY_SIZE(timberdale_spi_8bit_board_info);
 746         } else {
 747                 timberdale_xspi_platform_data.bits_per_word = 16;
 748                 timberdale_xspi_platform_data.devices =
 749                         timberdale_spi_16bit_board_info;
 750                 timberdale_xspi_platform_data.num_devices =
 751                         ARRAY_SIZE(timberdale_spi_16bit_board_info);
 752         }
 753
 754         ip_setup = priv->fw.config & TIMB_HW_VER_MASK;
 755         switch (ip_setup) {
 756         case TIMB_HW_VER0:
 757                 err = mfd_add_devices(&dev->dev, -1,
 758                         timberdale_cells_bar0_cfg0,
 759                         ARRAY_SIZE(timberdale_cells_bar0_cfg0),
 760                         &dev->resource[0], msix_entries[0].vector, NULL);
 761                 break;
 762         case TIMB_HW_VER1:
 763                 err = mfd_add_devices(&dev->dev, -1,
 764                         timberdale_cells_bar0_cfg1,
 765                         ARRAY_SIZE(timberdale_cells_bar0_cfg1),
 766                         &dev->resource[0], msix_entries[0].vector, NULL);
 767                 break;
 768         case TIMB_HW_VER2:
 769                 err = mfd_add_devices(&dev->dev, -1,
 770                         timberdale_cells_bar0_cfg2,
 771                         ARRAY_SIZE(timberdale_cells_bar0_cfg2),
 772                         &dev->resource[0], msix_entries[0].vector, NULL);
 773                 break;
 774         case TIMB_HW_VER3:
 775                 err = mfd_add_devices(&dev->dev, -1,
 776                         timberdale_cells_bar0_cfg3,
 777                         ARRAY_SIZE(timberdale_cells_bar0_cfg3),
 778                         &dev->resource[0], msix_entries[0].vector, NULL);
 779                 break;
 780         default:
 781                 dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n",
 782                         priv->fw.major, priv->fw.minor, ip_setup);
 783                 err = -ENODEV;
 784                 goto err_mfd;
 785                 break;
 786         }
 787
 788         if (err) {
 789                 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
 790                 goto err_mfd;
 791         }
 792
 793         err = mfd_add_devices(&dev->dev, 0,
 794                 timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1),
 795                 &dev->resource[1], msix_entries[0].vector, NULL);
 796         if (err) {
 797                 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
 798                 goto err_mfd2;
 799         }
 800
 801         /* only version 0 and 3 have the iNand routed to SDHCI */
 802         if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) ||
 803                 ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) {
 804                 err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2,
 805                         ARRAY_SIZE(timberdale_cells_bar2),
 806                         &dev->resource[2], msix_entries[0].vector, NULL);
 807                 if (err) {
 808                         dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
 809                         goto err_mfd2;
 810                 }
 811         }
 812
 813         kfree(msix_entries);
 814
 815         dev_info(&dev->dev,
 816                 "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n",
 817                 priv->fw.major, priv->fw.minor, priv->fw.config);
 818
 819         return 0;
 820
 821 err_mfd2:
 822         mfd_remove_devices(&dev->dev);
 823 err_mfd:
 824         device_remove_file(&dev->dev, &dev_attr_fw_ver);
 825 err_create_file:
 826         pci_disable_msix(dev);
 827 err_msix:
 828         kfree(msix_entries);
 829 err_config:
 830         iounmap(priv->ctl_membase);
 831 err_ioremap:
 832         release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
 833 err_request:
 834         pci_set_drvdata(dev, NULL);
 835 err_start:
 836         pci_disable_device(dev);
 837 err_enable:
 838         kfree(priv);
 839         pci_set_drvdata(dev, NULL);
 840         return -ENODEV;
 841 }
 842
 843 static void __devexit timb_remove(struct pci_dev *dev)
 844 {
 845         struct timberdale_device *priv = pci_get_drvdata(dev);
 846
 847         mfd_remove_devices(&dev->dev);
 848
 849         device_remove_file(&dev->dev, &dev_attr_fw_ver);
 850
 851         iounmap(priv->ctl_membase);
 852         release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
 853
 854         pci_disable_msix(dev);
 855         pci_disable_device(dev);
 856         pci_set_drvdata(dev, NULL);
 857         kfree(priv);
 858 }
 859
 860 static DEFINE_PCI_DEVICE_TABLE(timberdale_pci_tbl) = {
 861         { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) },
 862         { 0 }
 863 };
 864 MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl);
 865
 866 static struct pci_driver timberdale_pci_driver = {
 867         .name = DRIVER_NAME,
 868         .id_table = timberdale_pci_tbl,
 869         .probe = timb_probe,
 870         .remove = __devexit_p(timb_remove),
 871 };
 872
 873 static int __init timberdale_init(void)
 874 {
 875         int err;
 876
 877         err = pci_register_driver(&timberdale_pci_driver);
 878         if (err < 0) {
 879                 printk(KERN_ERR
 880                         "Failed to register PCI driver for %s device.\n",
 881                         timberdale_pci_driver.name);
 882                 return -ENODEV;
 883         }
 884
 885         printk(KERN_INFO "Driver for %s has been successfully registered.\n",
 886                 timberdale_pci_driver.name);
 887
 888         return 0;
 889 }
 890
 891 static void __exit timberdale_exit(void)
 892 {
 893         pci_unregister_driver(&timberdale_pci_driver);
 894
 895         printk(KERN_INFO "Driver for %s has been successfully unregistered.\n",
 896                 timberdale_pci_driver.name);
 897 }
 898
 899 module_init(timberdale_init);
 900 module_exit(timberdale_exit);
 901
 902 MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
 903 MODULE_VERSION(DRV_VERSION);
 904 MODULE_LICENSE("GPL v2");