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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / mfd / timberdale.c
blob2bc5cfb852042cd5e41e240cb5ce0662ebd0698f
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 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 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 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 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 static const struct max7301_platform_data timberdale_max7301_platform_data = {
119 .base = 200
120 };
121
122 static 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 struct xspi_platform_data timberdale_xspi_platform_data = {
147 .num_chipselect = 3,
148 /* bits per word and devices will be filled in runtime depending
149 * on the HW config
150 */
151 };
152
153 static const struct resource timberdale_spi_resources[] = {
154 {
155 .start = SPIOFFSET,
156 .end = SPIEND,
157 .flags = IORESOURCE_MEM,
158 },
159 {
160 .start = IRQ_TIMBERDALE_SPI,
161 .end = IRQ_TIMBERDALE_SPI,
162 .flags = IORESOURCE_IRQ,
163 },
164 };
165
166 static struct ks8842_platform_data
167 timberdale_ks8842_platform_data = {
168 .rx_dma_channel = DMA_ETH_RX,
169 .tx_dma_channel = DMA_ETH_TX
170 };
171
172 static const struct resource timberdale_eth_resources[] = {
173 {
174 .start = ETHOFFSET,
175 .end = ETHEND,
176 .flags = IORESOURCE_MEM,
177 },
178 {
179 .start = IRQ_TIMBERDALE_ETHSW_IF,
180 .end = IRQ_TIMBERDALE_ETHSW_IF,
181 .flags = IORESOURCE_IRQ,
182 },
183 };
184
185 static struct timbgpio_platform_data
186 timberdale_gpio_platform_data = {
187 .gpio_base = 0,
188 .nr_pins = GPIO_NR_PINS,
189 .irq_base = 200,
190 };
191
192 static const struct resource timberdale_gpio_resources[] = {
193 {
194 .start = GPIOOFFSET,
195 .end = GPIOEND,
196 .flags = IORESOURCE_MEM,
197 },
198 {
199 .start = IRQ_TIMBERDALE_GPIO,
200 .end = IRQ_TIMBERDALE_GPIO,
201 .flags = IORESOURCE_IRQ,
202 },
203 };
204
205 static const struct resource timberdale_mlogicore_resources[] = {
206 {
207 .start = MLCOREOFFSET,
208 .end = MLCOREEND,
209 .flags = IORESOURCE_MEM,
210 },
211 {
212 .start = IRQ_TIMBERDALE_MLCORE,
213 .end = IRQ_TIMBERDALE_MLCORE,
214 .flags = IORESOURCE_IRQ,
215 },
216 {
217 .start = IRQ_TIMBERDALE_MLCORE_BUF,
218 .end = IRQ_TIMBERDALE_MLCORE_BUF,
219 .flags = IORESOURCE_IRQ,
220 },
221 };
222
223 static const struct resource timberdale_uart_resources[] = {
224 {
225 .start = UARTOFFSET,
226 .end = UARTEND,
227 .flags = IORESOURCE_MEM,
228 },
229 {
230 .start = IRQ_TIMBERDALE_UART,
231 .end = IRQ_TIMBERDALE_UART,
232 .flags = IORESOURCE_IRQ,
233 },
234 };
235
236 static const struct resource timberdale_uartlite_resources[] = {
237 {
238 .start = UARTLITEOFFSET,
239 .end = UARTLITEEND,
240 .flags = IORESOURCE_MEM,
241 },
242 {
243 .start = IRQ_TIMBERDALE_UARTLITE,
244 .end = IRQ_TIMBERDALE_UARTLITE,
245 .flags = IORESOURCE_IRQ,
246 },
247 };
248
249 static struct i2c_board_info timberdale_adv7180_i2c_board_info = {
250 /* Requires jumper JP9 to be off */
251 I2C_BOARD_INFO("adv7180", 0x42 >> 1),
252 .irq = IRQ_TIMBERDALE_ADV7180
253 };
254
255 static struct timb_video_platform_data
256 timberdale_video_platform_data = {
257 .dma_channel = DMA_VIDEO_RX,
258 .i2c_adapter = 0,
259 .encoder = {
260 .info = &timberdale_adv7180_i2c_board_info
261 }
262 };
263
264 static const struct resource
265 timberdale_radio_resources[] = {
266 {
267 .start = RDSOFFSET,
268 .end = RDSEND,
269 .flags = IORESOURCE_MEM,
270 },
271 {
272 .start = IRQ_TIMBERDALE_RDS,
273 .end = IRQ_TIMBERDALE_RDS,
274 .flags = IORESOURCE_IRQ,
275 },
276 };
277
278 static struct i2c_board_info timberdale_tef6868_i2c_board_info = {
279 I2C_BOARD_INFO("tef6862", 0x60)
280 };
281
282 static struct i2c_board_info timberdale_saa7706_i2c_board_info = {
283 I2C_BOARD_INFO("saa7706h", 0x1C)
284 };
285
286 static struct timb_radio_platform_data
287 timberdale_radio_platform_data = {
288 .i2c_adapter = 0,
289 .tuner = &timberdale_tef6868_i2c_board_info,
290 .dsp = &timberdale_saa7706_i2c_board_info
291 };
292
293 static const struct resource timberdale_video_resources[] = {
294 {
295 .start = LOGIWOFFSET,
296 .end = LOGIWEND,
297 .flags = IORESOURCE_MEM,
298 },
299 /*
300 note that the "frame buffer" is located in DMA area
301 starting at 0x1200000
302 */
303 };
304
305 static struct timb_dma_platform_data timb_dma_platform_data = {
306 .nr_channels = 10,
307 .channels = {
308 {
309 /* UART RX */
310 .rx = true,
311 .descriptors = 2,
312 .descriptor_elements = 1
313 },
314 {
315 /* UART TX */
316 .rx = false,
317 .descriptors = 2,
318 .descriptor_elements = 1
319 },
320 {
321 /* MLB RX */
322 .rx = true,
323 .descriptors = 2,
324 .descriptor_elements = 1
325 },
326 {
327 /* MLB TX */
328 .rx = false,
329 .descriptors = 2,
330 .descriptor_elements = 1
331 },
332 {
333 /* Video RX */
334 .rx = true,
335 .bytes_per_line = 1440,
336 .descriptors = 2,
337 .descriptor_elements = 16
338 },
339 {
340 /* Video framedrop */
341 },
342 {
343 /* SDHCI RX */
344 .rx = true,
345 },
346 {
347 /* SDHCI TX */
348 },
349 {
350 /* ETH RX */
351 .rx = true,
352 .descriptors = 2,
353 .descriptor_elements = 1
354 },
355 {
356 /* ETH TX */
357 .rx = false,
358 .descriptors = 2,
359 .descriptor_elements = 1
360 },
361 }
362 };
363
364 static const struct resource timberdale_dma_resources[] = {
365 {
366 .start = DMAOFFSET,
367 .end = DMAEND,
368 .flags = IORESOURCE_MEM,
369 },
370 {
371 .start = IRQ_TIMBERDALE_DMA,
372 .end = IRQ_TIMBERDALE_DMA,
373 .flags = IORESOURCE_IRQ,
374 },
375 };
376
377 static const struct mfd_cell timberdale_cells_bar0_cfg0[] = {
378 {
379 .name = "timb-dma",
380 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
381 .resources = timberdale_dma_resources,
382 .platform_data = &timb_dma_platform_data,
383 .pdata_size = sizeof(timb_dma_platform_data),
384 },
385 {
386 .name = "timb-uart",
387 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
388 .resources = timberdale_uart_resources,
389 },
390 {
391 .name = "xiic-i2c",
392 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
393 .resources = timberdale_xiic_resources,
394 .platform_data = &timberdale_xiic_platform_data,
395 .pdata_size = sizeof(timberdale_xiic_platform_data),
396 },
397 {
398 .name = "timb-gpio",
399 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
400 .resources = timberdale_gpio_resources,
401 .platform_data = &timberdale_gpio_platform_data,
402 .pdata_size = sizeof(timberdale_gpio_platform_data),
403 },
404 {
405 .name = "timb-video",
406 .num_resources = ARRAY_SIZE(timberdale_video_resources),
407 .resources = timberdale_video_resources,
408 .platform_data = &timberdale_video_platform_data,
409 .pdata_size = sizeof(timberdale_video_platform_data),
410 },
411 {
412 .name = "timb-radio",
413 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
414 .resources = timberdale_radio_resources,
415 .platform_data = &timberdale_radio_platform_data,
416 .pdata_size = sizeof(timberdale_radio_platform_data),
417 },
418 {
419 .name = "xilinx_spi",
420 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
421 .resources = timberdale_spi_resources,
422 .platform_data = &timberdale_xspi_platform_data,
423 .pdata_size = sizeof(timberdale_xspi_platform_data),
424 },
425 {
426 .name = "ks8842",
427 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
428 .resources = timberdale_eth_resources,
429 .platform_data = &timberdale_ks8842_platform_data,
430 .pdata_size = sizeof(timberdale_ks8842_platform_data),
431 },
432 };
433
434 static const struct mfd_cell timberdale_cells_bar0_cfg1[] = {
435 {
436 .name = "timb-dma",
437 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
438 .resources = timberdale_dma_resources,
439 .platform_data = &timb_dma_platform_data,
440 .pdata_size = sizeof(timb_dma_platform_data),
441 },
442 {
443 .name = "timb-uart",
444 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
445 .resources = timberdale_uart_resources,
446 },
447 {
448 .name = "uartlite",
449 .num_resources = ARRAY_SIZE(timberdale_uartlite_resources),
450 .resources = timberdale_uartlite_resources,
451 },
452 {
453 .name = "xiic-i2c",
454 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
455 .resources = timberdale_xiic_resources,
456 .platform_data = &timberdale_xiic_platform_data,
457 .pdata_size = sizeof(timberdale_xiic_platform_data),
458 },
459 {
460 .name = "timb-gpio",
461 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
462 .resources = timberdale_gpio_resources,
463 .platform_data = &timberdale_gpio_platform_data,
464 .pdata_size = sizeof(timberdale_gpio_platform_data),
465 },
466 {
467 .name = "timb-mlogicore",
468 .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources),
469 .resources = timberdale_mlogicore_resources,
470 },
471 {
472 .name = "timb-video",
473 .num_resources = ARRAY_SIZE(timberdale_video_resources),
474 .resources = timberdale_video_resources,
475 .platform_data = &timberdale_video_platform_data,
476 .pdata_size = sizeof(timberdale_video_platform_data),
477 },
478 {
479 .name = "timb-radio",
480 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
481 .resources = timberdale_radio_resources,
482 .platform_data = &timberdale_radio_platform_data,
483 .pdata_size = sizeof(timberdale_radio_platform_data),
484 },
485 {
486 .name = "xilinx_spi",
487 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
488 .resources = timberdale_spi_resources,
489 .platform_data = &timberdale_xspi_platform_data,
490 .pdata_size = sizeof(timberdale_xspi_platform_data),
491 },
492 {
493 .name = "ks8842",
494 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
495 .resources = timberdale_eth_resources,
496 .platform_data = &timberdale_ks8842_platform_data,
497 .pdata_size = sizeof(timberdale_ks8842_platform_data),
498 },
499 };
500
501 static const struct mfd_cell timberdale_cells_bar0_cfg2[] = {
502 {
503 .name = "timb-dma",
504 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
505 .resources = timberdale_dma_resources,
506 .platform_data = &timb_dma_platform_data,
507 .pdata_size = sizeof(timb_dma_platform_data),
508 },
509 {
510 .name = "timb-uart",
511 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
512 .resources = timberdale_uart_resources,
513 },
514 {
515 .name = "xiic-i2c",
516 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
517 .resources = timberdale_xiic_resources,
518 .platform_data = &timberdale_xiic_platform_data,
519 .pdata_size = sizeof(timberdale_xiic_platform_data),
520 },
521 {
522 .name = "timb-gpio",
523 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
524 .resources = timberdale_gpio_resources,
525 .platform_data = &timberdale_gpio_platform_data,
526 .pdata_size = sizeof(timberdale_gpio_platform_data),
527 },
528 {
529 .name = "timb-video",
530 .num_resources = ARRAY_SIZE(timberdale_video_resources),
531 .resources = timberdale_video_resources,
532 .platform_data = &timberdale_video_platform_data,
533 .pdata_size = sizeof(timberdale_video_platform_data),
534 },
535 {
536 .name = "timb-radio",
537 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
538 .resources = timberdale_radio_resources,
539 .platform_data = &timberdale_radio_platform_data,
540 .pdata_size = sizeof(timberdale_radio_platform_data),
541 },
542 {
543 .name = "xilinx_spi",
544 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
545 .resources = timberdale_spi_resources,
546 .platform_data = &timberdale_xspi_platform_data,
547 .pdata_size = sizeof(timberdale_xspi_platform_data),
548 },
549 };
550
551 static const struct mfd_cell timberdale_cells_bar0_cfg3[] = {
552 {
553 .name = "timb-dma",
554 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
555 .resources = timberdale_dma_resources,
556 .platform_data = &timb_dma_platform_data,
557 .pdata_size = sizeof(timb_dma_platform_data),
558 },
559 {
560 .name = "timb-uart",
561 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
562 .resources = timberdale_uart_resources,
563 },
564 {
565 .name = "ocores-i2c",
566 .num_resources = ARRAY_SIZE(timberdale_ocores_resources),
567 .resources = timberdale_ocores_resources,
568 .platform_data = &timberdale_ocores_platform_data,
569 .pdata_size = sizeof(timberdale_ocores_platform_data),
570 },
571 {
572 .name = "timb-gpio",
573 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
574 .resources = timberdale_gpio_resources,
575 .platform_data = &timberdale_gpio_platform_data,
576 .pdata_size = sizeof(timberdale_gpio_platform_data),
577 },
578 {
579 .name = "timb-video",
580 .num_resources = ARRAY_SIZE(timberdale_video_resources),
581 .resources = timberdale_video_resources,
582 .platform_data = &timberdale_video_platform_data,
583 .pdata_size = sizeof(timberdale_video_platform_data),
584 },
585 {
586 .name = "timb-radio",
587 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
588 .resources = timberdale_radio_resources,
589 .platform_data = &timberdale_radio_platform_data,
590 .pdata_size = sizeof(timberdale_radio_platform_data),
591 },
592 {
593 .name = "xilinx_spi",
594 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
595 .resources = timberdale_spi_resources,
596 .platform_data = &timberdale_xspi_platform_data,
597 .pdata_size = sizeof(timberdale_xspi_platform_data),
598 },
599 {
600 .name = "ks8842",
601 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
602 .resources = timberdale_eth_resources,
603 .platform_data = &timberdale_ks8842_platform_data,
604 .pdata_size = sizeof(timberdale_ks8842_platform_data),
605 },
606 };
607
608 static const struct resource timberdale_sdhc_resources[] = {
609 /* located in bar 1 and bar 2 */
610 {
611 .start = SDHC0OFFSET,
612 .end = SDHC0END,
613 .flags = IORESOURCE_MEM,
614 },
615 {
616 .start = IRQ_TIMBERDALE_SDHC,
617 .end = IRQ_TIMBERDALE_SDHC,
618 .flags = IORESOURCE_IRQ,
619 },
620 };
621
622 static const struct mfd_cell timberdale_cells_bar1[] = {
623 {
624 .name = "sdhci",
625 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources),
626 .resources = timberdale_sdhc_resources,
627 },
628 };
629
630 static const struct mfd_cell timberdale_cells_bar2[] = {
631 {
632 .name = "sdhci",
633 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources),
634 .resources = timberdale_sdhc_resources,
635 },
636 };
637
638 static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
639 char *buf)
640 {
641 struct pci_dev *pdev = to_pci_dev(dev);
642 struct timberdale_device *priv = pci_get_drvdata(pdev);
643
644 return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor,
645 priv->fw.config);
646 }
647
648 static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
649
650 /*--------------------------------------------------------------------------*/
651
652 static int timb_probe(struct pci_dev *dev,
653 const struct pci_device_id *id)
654 {
655 struct timberdale_device *priv;
656 int err, i;
657 resource_size_t mapbase;
658 struct msix_entry *msix_entries = NULL;
659 u8 ip_setup;
660
661 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
662 if (!priv)
663 return -ENOMEM;
664
665 pci_set_drvdata(dev, priv);
666
667 err = pci_enable_device(dev);
668 if (err)
669 goto err_enable;
670
671 mapbase = pci_resource_start(dev, 0);
672 if (!mapbase) {
673 dev_err(&dev->dev, "No resource\n");
674 goto err_start;
675 }
676
677 /* create a resource for the PCI master register */
678 priv->ctl_mapbase = mapbase + CHIPCTLOFFSET;
679 if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) {
680 dev_err(&dev->dev, "Failed to request ctl mem\n");
681 goto err_start;
682 }
683
684 priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE);
685 if (!priv->ctl_membase) {
686 dev_err(&dev->dev, "ioremap failed for ctl mem\n");
687 goto err_ioremap;
688 }
689
690 /* read the HW config */
691 priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR);
692 priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR);
693 priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG);
694
695 if (priv->fw.major > TIMB_SUPPORTED_MAJOR) {
696 dev_err(&dev->dev, "The driver supports an older "
697 "version of the FPGA, please update the driver to "
698 "support %d.%d\n", priv->fw.major, priv->fw.minor);
699 goto err_config;
700 }
701 if (priv->fw.major < TIMB_SUPPORTED_MAJOR ||
702 priv->fw.minor < TIMB_REQUIRED_MINOR) {
703 dev_err(&dev->dev, "The FPGA image is too old (%d.%d), "
704 "please upgrade the FPGA to at least: %d.%d\n",
705 priv->fw.major, priv->fw.minor,
706 TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR);
707 goto err_config;
708 }
709
710 msix_entries = kzalloc(TIMBERDALE_NR_IRQS * sizeof(*msix_entries),
711 GFP_KERNEL);
712 if (!msix_entries)
713 goto err_config;
714
715 for (i = 0; i < TIMBERDALE_NR_IRQS; i++)
716 msix_entries[i].entry = i;
717
718 err = pci_enable_msix(dev, msix_entries, TIMBERDALE_NR_IRQS);
719 if (err) {
720 dev_err(&dev->dev,
721 "MSI-X init failed: %d, expected entries: %d\n",
722 err, TIMBERDALE_NR_IRQS);
723 goto err_msix;
724 }
725
726 err = device_create_file(&dev->dev, &dev_attr_fw_ver);
727 if (err)
728 goto err_create_file;
729
730 /* Reset all FPGA PLB peripherals */
731 iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST);
732
733 /* update IRQ offsets in I2C board info */
734 for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++)
735 timberdale_i2c_board_info[i].irq =
736 msix_entries[timberdale_i2c_board_info[i].irq].vector;
737
738 /* Update the SPI configuration depending on the HW (8 or 16 bit) */
739 if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) {
740 timberdale_xspi_platform_data.bits_per_word = 8;
741 timberdale_xspi_platform_data.devices =
742 timberdale_spi_8bit_board_info;
743 timberdale_xspi_platform_data.num_devices =
744 ARRAY_SIZE(timberdale_spi_8bit_board_info);
745 } else {
746 timberdale_xspi_platform_data.bits_per_word = 16;
747 timberdale_xspi_platform_data.devices =
748 timberdale_spi_16bit_board_info;
749 timberdale_xspi_platform_data.num_devices =
750 ARRAY_SIZE(timberdale_spi_16bit_board_info);
751 }
752
753 ip_setup = priv->fw.config & TIMB_HW_VER_MASK;
754 switch (ip_setup) {
755 case TIMB_HW_VER0:
756 err = mfd_add_devices(&dev->dev, -1,
757 timberdale_cells_bar0_cfg0,
758 ARRAY_SIZE(timberdale_cells_bar0_cfg0),
759 &dev->resource[0], msix_entries[0].vector, NULL);
760 break;
761 case TIMB_HW_VER1:
762 err = mfd_add_devices(&dev->dev, -1,
763 timberdale_cells_bar0_cfg1,
764 ARRAY_SIZE(timberdale_cells_bar0_cfg1),
765 &dev->resource[0], msix_entries[0].vector, NULL);
766 break;
767 case TIMB_HW_VER2:
768 err = mfd_add_devices(&dev->dev, -1,
769 timberdale_cells_bar0_cfg2,
770 ARRAY_SIZE(timberdale_cells_bar0_cfg2),
771 &dev->resource[0], msix_entries[0].vector, NULL);
772 break;
773 case TIMB_HW_VER3:
774 err = mfd_add_devices(&dev->dev, -1,
775 timberdale_cells_bar0_cfg3,
776 ARRAY_SIZE(timberdale_cells_bar0_cfg3),
777 &dev->resource[0], msix_entries[0].vector, NULL);
778 break;
779 default:
780 dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n",
781 priv->fw.major, priv->fw.minor, ip_setup);
782 err = -ENODEV;
783 goto err_mfd;
784 }
785
786 if (err) {
787 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
788 goto err_mfd;
789 }
790
791 err = mfd_add_devices(&dev->dev, 0,
792 timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1),
793 &dev->resource[1], msix_entries[0].vector, NULL);
794 if (err) {
795 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
796 goto err_mfd2;
797 }
798
799 /* only version 0 and 3 have the iNand routed to SDHCI */
800 if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) ||
801 ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) {
802 err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2,
803 ARRAY_SIZE(timberdale_cells_bar2),
804 &dev->resource[2], msix_entries[0].vector, NULL);
805 if (err) {
806 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
807 goto err_mfd2;
808 }
809 }
810
811 kfree(msix_entries);
812
813 dev_info(&dev->dev,
814 "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n",
815 priv->fw.major, priv->fw.minor, priv->fw.config);
816
817 return 0;
818
819 err_mfd2:
820 mfd_remove_devices(&dev->dev);
821 err_mfd:
822 device_remove_file(&dev->dev, &dev_attr_fw_ver);
823 err_create_file:
824 pci_disable_msix(dev);
825 err_msix:
826 kfree(msix_entries);
827 err_config:
828 iounmap(priv->ctl_membase);
829 err_ioremap:
830 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
831 err_start:
832 pci_disable_device(dev);
833 err_enable:
834 kfree(priv);
835 return -ENODEV;
836 }
837
838 static void timb_remove(struct pci_dev *dev)
839 {
840 struct timberdale_device *priv = pci_get_drvdata(dev);
841
842 mfd_remove_devices(&dev->dev);
843
844 device_remove_file(&dev->dev, &dev_attr_fw_ver);
845
846 iounmap(priv->ctl_membase);
847 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
848
849 pci_disable_msix(dev);
850 pci_disable_device(dev);
851 kfree(priv);
852 }
853
854 static const struct pci_device_id timberdale_pci_tbl[] = {
855 { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) },
856 { 0 }
857 };
858 MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl);
859
860 static struct pci_driver timberdale_pci_driver = {
861 .name = DRIVER_NAME,
862 .id_table = timberdale_pci_tbl,
863 .probe = timb_probe,
864 .remove = timb_remove,
865 };
866
867 module_pci_driver(timberdale_pci_driver);
868
869 MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
870 MODULE_VERSION(DRV_VERSION);
871 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support