?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / mfd / timberdale.c
blob0ba26fb12cf532f948fefa1e4df6599ce7db347b
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 .regstep = 4,
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);
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);
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);
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);
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);
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);
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");