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pwm_backlight: add check_fb() hook
[linux/fpc-iii.git] / drivers / mfd / timberdale.c
blob6ad8a7f8d390770124b23b0f5c225bf365c345f8
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 = {
291 .info = &timberdale_tef6868_i2c_board_info
292 },
293 .dsp = {
294 .info = &timberdale_saa7706_i2c_board_info
295 }
296 };
297
298 static const __devinitconst struct resource timberdale_video_resources[] = {
299 {
300 .start = LOGIWOFFSET,
301 .end = LOGIWEND,
302 .flags = IORESOURCE_MEM,
303 },
304 /*
305 note that the "frame buffer" is located in DMA area
306 starting at 0x1200000
307 */
308 };
309
310 static __devinitdata struct timb_dma_platform_data timb_dma_platform_data = {
311 .nr_channels = 10,
312 .channels = {
313 {
314 /* UART RX */
315 .rx = true,
316 .descriptors = 2,
317 .descriptor_elements = 1
318 },
319 {
320 /* UART TX */
321 .rx = false,
322 .descriptors = 2,
323 .descriptor_elements = 1
324 },
325 {
326 /* MLB RX */
327 .rx = true,
328 .descriptors = 2,
329 .descriptor_elements = 1
330 },
331 {
332 /* MLB TX */
333 .rx = false,
334 .descriptors = 2,
335 .descriptor_elements = 1
336 },
337 {
338 /* Video RX */
339 .rx = true,
340 .bytes_per_line = 1440,
341 .descriptors = 2,
342 .descriptor_elements = 16
343 },
344 {
345 /* Video framedrop */
346 },
347 {
348 /* SDHCI RX */
349 .rx = true,
350 },
351 {
352 /* SDHCI TX */
353 },
354 {
355 /* ETH RX */
356 .rx = true,
357 .descriptors = 2,
358 .descriptor_elements = 1
359 },
360 {
361 /* ETH TX */
362 .rx = false,
363 .descriptors = 2,
364 .descriptor_elements = 1
365 },
366 }
367 };
368
369 static const __devinitconst struct resource timberdale_dma_resources[] = {
370 {
371 .start = DMAOFFSET,
372 .end = DMAEND,
373 .flags = IORESOURCE_MEM,
374 },
375 {
376 .start = IRQ_TIMBERDALE_DMA,
377 .end = IRQ_TIMBERDALE_DMA,
378 .flags = IORESOURCE_IRQ,
379 },
380 };
381
382 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = {
383 {
384 .name = "timb-dma",
385 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
386 .resources = timberdale_dma_resources,
387 .platform_data = &timb_dma_platform_data,
388 .data_size = sizeof(timb_dma_platform_data),
389 },
390 {
391 .name = "timb-uart",
392 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
393 .resources = timberdale_uart_resources,
394 },
395 {
396 .name = "xiic-i2c",
397 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
398 .resources = timberdale_xiic_resources,
399 .platform_data = &timberdale_xiic_platform_data,
400 .data_size = sizeof(timberdale_xiic_platform_data),
401 },
402 {
403 .name = "timb-gpio",
404 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
405 .resources = timberdale_gpio_resources,
406 .platform_data = &timberdale_gpio_platform_data,
407 .data_size = sizeof(timberdale_gpio_platform_data),
408 },
409 {
410 .name = "timb-video",
411 .num_resources = ARRAY_SIZE(timberdale_video_resources),
412 .resources = timberdale_video_resources,
413 .platform_data = &timberdale_video_platform_data,
414 .data_size = sizeof(timberdale_video_platform_data),
415 },
416 {
417 .name = "timb-radio",
418 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
419 .resources = timberdale_radio_resources,
420 .platform_data = &timberdale_radio_platform_data,
421 .data_size = sizeof(timberdale_radio_platform_data),
422 },
423 {
424 .name = "xilinx_spi",
425 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
426 .resources = timberdale_spi_resources,
427 .platform_data = &timberdale_xspi_platform_data,
428 .data_size = sizeof(timberdale_xspi_platform_data),
429 },
430 {
431 .name = "ks8842",
432 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
433 .resources = timberdale_eth_resources,
434 .platform_data = &timberdale_ks8842_platform_data,
435 .data_size = sizeof(timberdale_ks8842_platform_data)
436 },
437 };
438
439 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = {
440 {
441 .name = "timb-dma",
442 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
443 .resources = timberdale_dma_resources,
444 .platform_data = &timb_dma_platform_data,
445 .data_size = sizeof(timb_dma_platform_data),
446 },
447 {
448 .name = "timb-uart",
449 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
450 .resources = timberdale_uart_resources,
451 },
452 {
453 .name = "uartlite",
454 .num_resources = ARRAY_SIZE(timberdale_uartlite_resources),
455 .resources = timberdale_uartlite_resources,
456 },
457 {
458 .name = "xiic-i2c",
459 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
460 .resources = timberdale_xiic_resources,
461 .platform_data = &timberdale_xiic_platform_data,
462 .data_size = sizeof(timberdale_xiic_platform_data),
463 },
464 {
465 .name = "timb-gpio",
466 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
467 .resources = timberdale_gpio_resources,
468 .platform_data = &timberdale_gpio_platform_data,
469 .data_size = sizeof(timberdale_gpio_platform_data),
470 },
471 {
472 .name = "timb-mlogicore",
473 .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources),
474 .resources = timberdale_mlogicore_resources,
475 },
476 {
477 .name = "timb-video",
478 .num_resources = ARRAY_SIZE(timberdale_video_resources),
479 .resources = timberdale_video_resources,
480 .platform_data = &timberdale_video_platform_data,
481 .data_size = sizeof(timberdale_video_platform_data),
482 },
483 {
484 .name = "timb-radio",
485 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
486 .resources = timberdale_radio_resources,
487 .platform_data = &timberdale_radio_platform_data,
488 .data_size = sizeof(timberdale_radio_platform_data),
489 },
490 {
491 .name = "xilinx_spi",
492 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
493 .resources = timberdale_spi_resources,
494 .platform_data = &timberdale_xspi_platform_data,
495 .data_size = sizeof(timberdale_xspi_platform_data),
496 },
497 {
498 .name = "ks8842",
499 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
500 .resources = timberdale_eth_resources,
501 .platform_data = &timberdale_ks8842_platform_data,
502 .data_size = sizeof(timberdale_ks8842_platform_data)
503 },
504 };
505
506 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = {
507 {
508 .name = "timb-dma",
509 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
510 .resources = timberdale_dma_resources,
511 .platform_data = &timb_dma_platform_data,
512 .data_size = sizeof(timb_dma_platform_data),
513 },
514 {
515 .name = "timb-uart",
516 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
517 .resources = timberdale_uart_resources,
518 },
519 {
520 .name = "xiic-i2c",
521 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
522 .resources = timberdale_xiic_resources,
523 .platform_data = &timberdale_xiic_platform_data,
524 .data_size = sizeof(timberdale_xiic_platform_data),
525 },
526 {
527 .name = "timb-gpio",
528 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
529 .resources = timberdale_gpio_resources,
530 .platform_data = &timberdale_gpio_platform_data,
531 .data_size = sizeof(timberdale_gpio_platform_data),
532 },
533 {
534 .name = "timb-video",
535 .num_resources = ARRAY_SIZE(timberdale_video_resources),
536 .resources = timberdale_video_resources,
537 .platform_data = &timberdale_video_platform_data,
538 .data_size = sizeof(timberdale_video_platform_data),
539 },
540 {
541 .name = "timb-radio",
542 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
543 .resources = timberdale_radio_resources,
544 .platform_data = &timberdale_radio_platform_data,
545 .data_size = sizeof(timberdale_radio_platform_data),
546 },
547 {
548 .name = "xilinx_spi",
549 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
550 .resources = timberdale_spi_resources,
551 .platform_data = &timberdale_xspi_platform_data,
552 .data_size = sizeof(timberdale_xspi_platform_data),
553 },
554 };
555
556 static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = {
557 {
558 .name = "timb-dma",
559 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
560 .resources = timberdale_dma_resources,
561 .platform_data = &timb_dma_platform_data,
562 .data_size = sizeof(timb_dma_platform_data),
563 },
564 {
565 .name = "timb-uart",
566 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
567 .resources = timberdale_uart_resources,
568 },
569 {
570 .name = "ocores-i2c",
571 .num_resources = ARRAY_SIZE(timberdale_ocores_resources),
572 .resources = timberdale_ocores_resources,
573 .platform_data = &timberdale_ocores_platform_data,
574 .data_size = sizeof(timberdale_ocores_platform_data),
575 },
576 {
577 .name = "timb-gpio",
578 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
579 .resources = timberdale_gpio_resources,
580 .platform_data = &timberdale_gpio_platform_data,
581 .data_size = sizeof(timberdale_gpio_platform_data),
582 },
583 {
584 .name = "timb-video",
585 .num_resources = ARRAY_SIZE(timberdale_video_resources),
586 .resources = timberdale_video_resources,
587 .platform_data = &timberdale_video_platform_data,
588 .data_size = sizeof(timberdale_video_platform_data),
589 },
590 {
591 .name = "timb-radio",
592 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
593 .resources = timberdale_radio_resources,
594 .platform_data = &timberdale_radio_platform_data,
595 .data_size = sizeof(timberdale_radio_platform_data),
596 },
597 {
598 .name = "xilinx_spi",
599 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
600 .resources = timberdale_spi_resources,
601 .platform_data = &timberdale_xspi_platform_data,
602 .data_size = sizeof(timberdale_xspi_platform_data),
603 },
604 {
605 .name = "ks8842",
606 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
607 .resources = timberdale_eth_resources,
608 .platform_data = &timberdale_ks8842_platform_data,
609 .data_size = sizeof(timberdale_ks8842_platform_data)
610 },
611 };
612
613 static const __devinitconst struct resource timberdale_sdhc_resources[] = {
614 /* located in bar 1 and bar 2 */
615 {
616 .start = SDHC0OFFSET,
617 .end = SDHC0END,
618 .flags = IORESOURCE_MEM,
619 },
620 {
621 .start = IRQ_TIMBERDALE_SDHC,
622 .end = IRQ_TIMBERDALE_SDHC,
623 .flags = IORESOURCE_IRQ,
624 },
625 };
626
627 static __devinitdata struct mfd_cell timberdale_cells_bar1[] = {
628 {
629 .name = "sdhci",
630 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources),
631 .resources = timberdale_sdhc_resources,
632 },
633 };
634
635 static __devinitdata struct mfd_cell timberdale_cells_bar2[] = {
636 {
637 .name = "sdhci",
638 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources),
639 .resources = timberdale_sdhc_resources,
640 },
641 };
642
643 static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
644 char *buf)
645 {
646 struct pci_dev *pdev = to_pci_dev(dev);
647 struct timberdale_device *priv = pci_get_drvdata(pdev);
648
649 return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor,
650 priv->fw.config);
651 }
652
653 static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
654
655 /*--------------------------------------------------------------------------*/
656
657 static int __devinit timb_probe(struct pci_dev *dev,
658 const struct pci_device_id *id)
659 {
660 struct timberdale_device *priv;
661 int err, i;
662 resource_size_t mapbase;
663 struct msix_entry *msix_entries = NULL;
664 u8 ip_setup;
665
666 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
667 if (!priv)
668 return -ENOMEM;
669
670 pci_set_drvdata(dev, priv);
671
672 err = pci_enable_device(dev);
673 if (err)
674 goto err_enable;
675
676 mapbase = pci_resource_start(dev, 0);
677 if (!mapbase) {
678 dev_err(&dev->dev, "No resource\n");
679 goto err_start;
680 }
681
682 /* create a resource for the PCI master register */
683 priv->ctl_mapbase = mapbase + CHIPCTLOFFSET;
684 if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) {
685 dev_err(&dev->dev, "Failed to request ctl mem\n");
686 goto err_request;
687 }
688
689 priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE);
690 if (!priv->ctl_membase) {
691 dev_err(&dev->dev, "ioremap failed for ctl mem\n");
692 goto err_ioremap;
693 }
694
695 /* read the HW config */
696 priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR);
697 priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR);
698 priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG);
699
700 if (priv->fw.major > TIMB_SUPPORTED_MAJOR) {
701 dev_err(&dev->dev, "The driver supports an older "
702 "version of the FPGA, please update the driver to "
703 "support %d.%d\n", priv->fw.major, priv->fw.minor);
704 goto err_ioremap;
705 }
706 if (priv->fw.major < TIMB_SUPPORTED_MAJOR ||
707 priv->fw.minor < TIMB_REQUIRED_MINOR) {
708 dev_err(&dev->dev, "The FPGA image is too old (%d.%d), "
709 "please upgrade the FPGA to at least: %d.%d\n",
710 priv->fw.major, priv->fw.minor,
711 TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR);
712 goto err_ioremap;
713 }
714
715 msix_entries = kzalloc(TIMBERDALE_NR_IRQS * sizeof(*msix_entries),
716 GFP_KERNEL);
717 if (!msix_entries)
718 goto err_ioremap;
719
720 for (i = 0; i < TIMBERDALE_NR_IRQS; i++)
721 msix_entries[i].entry = i;
722
723 err = pci_enable_msix(dev, msix_entries, TIMBERDALE_NR_IRQS);
724 if (err) {
725 dev_err(&dev->dev,
726 "MSI-X init failed: %d, expected entries: %d\n",
727 err, TIMBERDALE_NR_IRQS);
728 goto err_msix;
729 }
730
731 err = device_create_file(&dev->dev, &dev_attr_fw_ver);
732 if (err)
733 goto err_create_file;
734
735 /* Reset all FPGA PLB peripherals */
736 iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST);
737
738 /* update IRQ offsets in I2C board info */
739 for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++)
740 timberdale_i2c_board_info[i].irq =
741 msix_entries[timberdale_i2c_board_info[i].irq].vector;
742
743 /* Update the SPI configuration depending on the HW (8 or 16 bit) */
744 if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) {
745 timberdale_xspi_platform_data.bits_per_word = 8;
746 timberdale_xspi_platform_data.devices =
747 timberdale_spi_8bit_board_info;
748 timberdale_xspi_platform_data.num_devices =
749 ARRAY_SIZE(timberdale_spi_8bit_board_info);
750 } else {
751 timberdale_xspi_platform_data.bits_per_word = 16;
752 timberdale_xspi_platform_data.devices =
753 timberdale_spi_16bit_board_info;
754 timberdale_xspi_platform_data.num_devices =
755 ARRAY_SIZE(timberdale_spi_16bit_board_info);
756 }
757
758 ip_setup = priv->fw.config & TIMB_HW_VER_MASK;
759 switch (ip_setup) {
760 case TIMB_HW_VER0:
761 err = mfd_add_devices(&dev->dev, -1,
762 timberdale_cells_bar0_cfg0,
763 ARRAY_SIZE(timberdale_cells_bar0_cfg0),
764 &dev->resource[0], msix_entries[0].vector);
765 break;
766 case TIMB_HW_VER1:
767 err = mfd_add_devices(&dev->dev, -1,
768 timberdale_cells_bar0_cfg1,
769 ARRAY_SIZE(timberdale_cells_bar0_cfg1),
770 &dev->resource[0], msix_entries[0].vector);
771 break;
772 case TIMB_HW_VER2:
773 err = mfd_add_devices(&dev->dev, -1,
774 timberdale_cells_bar0_cfg2,
775 ARRAY_SIZE(timberdale_cells_bar0_cfg2),
776 &dev->resource[0], msix_entries[0].vector);
777 break;
778 case TIMB_HW_VER3:
779 err = mfd_add_devices(&dev->dev, -1,
780 timberdale_cells_bar0_cfg3,
781 ARRAY_SIZE(timberdale_cells_bar0_cfg3),
782 &dev->resource[0], msix_entries[0].vector);
783 break;
784 default:
785 dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n",
786 priv->fw.major, priv->fw.minor, ip_setup);
787 err = -ENODEV;
788 goto err_mfd;
789 break;
790 }
791
792 if (err) {
793 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
794 goto err_mfd;
795 }
796
797 err = mfd_add_devices(&dev->dev, 0,
798 timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1),
799 &dev->resource[1], msix_entries[0].vector);
800 if (err) {
801 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
802 goto err_mfd2;
803 }
804
805 /* only version 0 and 3 have the iNand routed to SDHCI */
806 if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) ||
807 ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) {
808 err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2,
809 ARRAY_SIZE(timberdale_cells_bar2),
810 &dev->resource[2], msix_entries[0].vector);
811 if (err) {
812 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
813 goto err_mfd2;
814 }
815 }
816
817 kfree(msix_entries);
818
819 dev_info(&dev->dev,
820 "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n",
821 priv->fw.major, priv->fw.minor, priv->fw.config);
822
823 return 0;
824
825 err_mfd2:
826 mfd_remove_devices(&dev->dev);
827 err_mfd:
828 device_remove_file(&dev->dev, &dev_attr_fw_ver);
829 err_create_file:
830 pci_disable_msix(dev);
831 err_msix:
832 iounmap(priv->ctl_membase);
833 err_ioremap:
834 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
835 err_request:
836 pci_set_drvdata(dev, NULL);
837 err_start:
838 pci_disable_device(dev);
839 err_enable:
840 kfree(msix_entries);
841 kfree(priv);
842 pci_set_drvdata(dev, NULL);
843 return -ENODEV;
844 }
845
846 static void __devexit timb_remove(struct pci_dev *dev)
847 {
848 struct timberdale_device *priv = pci_get_drvdata(dev);
849
850 mfd_remove_devices(&dev->dev);
851
852 device_remove_file(&dev->dev, &dev_attr_fw_ver);
853
854 iounmap(priv->ctl_membase);
855 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
856
857 pci_disable_msix(dev);
858 pci_disable_device(dev);
859 pci_set_drvdata(dev, NULL);
860 kfree(priv);
861 }
862
863 static struct pci_device_id timberdale_pci_tbl[] = {
864 { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) },
865 { 0 }
866 };
867 MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl);
868
869 static struct pci_driver timberdale_pci_driver = {
870 .name = DRIVER_NAME,
871 .id_table = timberdale_pci_tbl,
872 .probe = timb_probe,
873 .remove = __devexit_p(timb_remove),
874 };
875
876 static int __init timberdale_init(void)
877 {
878 int err;
879
880 err = pci_register_driver(&timberdale_pci_driver);
881 if (err < 0) {
882 printk(KERN_ERR
883 "Failed to register PCI driver for %s device.\n",
884 timberdale_pci_driver.name);
885 return -ENODEV;
886 }
887
888 printk(KERN_INFO "Driver for %s has been successfully registered.\n",
889 timberdale_pci_driver.name);
890
891 return 0;
892 }
893
894 static void __exit timberdale_exit(void)
895 {
896 pci_unregister_driver(&timberdale_pci_driver);
897
898 printk(KERN_INFO "Driver for %s has been successfully unregistered.\n",
899 timberdale_pci_driver.name);
900 }
901
902 module_init(timberdale_init);
903 module_exit(timberdale_exit);
904
905 MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
906 MODULE_VERSION(DRV_VERSION);
907 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support