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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
53struct 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
65static struct tsc2007_platform_data timberdale_tsc2007_platform_data = {
66 .model = 2003,
67 .x_plate_ohms = 100
68};
69
70static 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
78static __devinitdata struct xiic_i2c_platform_data
79timberdale_xiic_platform_data = {
80 .devices = timberdale_i2c_board_info,
81 .num_devices = ARRAY_SIZE(timberdale_i2c_board_info)
82};
83
84static __devinitdata struct ocores_i2c_platform_data
85timberdale_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
92static 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
105static 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
118const struct max7301_platform_data timberdale_max7301_platform_data = {
119 .base = 200
120};
121
122const struct mc33880_platform_data timberdale_mc33880_platform_data = {
123 .base = 100
124};
125
126static 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
136static 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
146static __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
154static 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
167static __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
173static 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
186static __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
193static 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
206static 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
224static 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
237static 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
250static __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
256static __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
265static const __devinitconst struct resource
266timberdale_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
279static __devinitdata struct i2c_board_info timberdale_tef6868_i2c_board_info = {
280 I2C_BOARD_INFO("tef6862", 0x60)
281};
282
283static __devinitdata struct i2c_board_info timberdale_saa7706_i2c_board_info = {
284 I2C_BOARD_INFO("saa7706h", 0x1C)
285};
286
287static __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
294static 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
306static __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
365static 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
378static __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
435static __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
502static __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
552static __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
609static 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
623static __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
631static __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
639static 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
649static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
650
651/*--------------------------------------------------------------------------*/
652
653static 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_ioremap;
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_ioremap;
709 }
710
711 msix_entries = kzalloc(TIMBERDALE_NR_IRQS * sizeof(*msix_entries),
712 GFP_KERNEL);
713 if (!msix_entries)
714 goto err_ioremap;
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
821err_mfd2:
822 mfd_remove_devices(&dev->dev);
823err_mfd:
824 device_remove_file(&dev->dev, &dev_attr_fw_ver);
825err_create_file:
826 pci_disable_msix(dev);
827err_msix:
828 iounmap(priv->ctl_membase);
829err_ioremap:
830 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
831err_request:
832 pci_set_drvdata(dev, NULL);
833err_start:
834 pci_disable_device(dev);
835err_enable:
836 kfree(msix_entries);
837 kfree(priv);
838 pci_set_drvdata(dev, NULL);
839 return -ENODEV;
840}
841
842static void __devexit timb_remove(struct pci_dev *dev)
843{
844 struct timberdale_device *priv = pci_get_drvdata(dev);
845
846 mfd_remove_devices(&dev->dev);
847
848 device_remove_file(&dev->dev, &dev_attr_fw_ver);
849
850 iounmap(priv->ctl_membase);
851 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
852
853 pci_disable_msix(dev);
854 pci_disable_device(dev);
855 pci_set_drvdata(dev, NULL);
856 kfree(priv);
857}
858
859static struct pci_device_id timberdale_pci_tbl[] = {
860 { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) },
861 { 0 }
862};
863MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl);
864
865static struct pci_driver timberdale_pci_driver = {
866 .name = DRIVER_NAME,
867 .id_table = timberdale_pci_tbl,
868 .probe = timb_probe,
869 .remove = __devexit_p(timb_remove),
870};
871
872static int __init timberdale_init(void)
873{
874 int err;
875
876 err = pci_register_driver(&timberdale_pci_driver);
877 if (err < 0) {
878 printk(KERN_ERR
879 "Failed to register PCI driver for %s device.\n",
880 timberdale_pci_driver.name);
881 return -ENODEV;
882 }
883
884 printk(KERN_INFO "Driver for %s has been successfully registered.\n",
885 timberdale_pci_driver.name);
886
887 return 0;
888}
889
890static void __exit timberdale_exit(void)
891{
892 pci_unregister_driver(&timberdale_pci_driver);
893
894 printk(KERN_INFO "Driver for %s has been successfully unregistered.\n",
895 timberdale_pci_driver.name);
896}
897
898module_init(timberdale_init);
899module_exit(timberdale_exit);
900
901MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
902MODULE_VERSION(DRV_VERSION);
903MODULE_LICENSE("GPL v2");
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * timberdale.c timberdale FPGA MFD driver
4 * Copyright (c) 2009 Intel Corporation
5 */
6
7/* Supports:
8 * Timberdale FPGA
9 */
10
11#include <linux/kernel.h>
12#include <linux/module.h>
13#include <linux/pci.h>
14#include <linux/mfd/core.h>
15#include <linux/property.h>
16#include <linux/slab.h>
17
18#include <linux/timb_gpio.h>
19
20#include <linux/i2c.h>
21#include <linux/platform_data/i2c-ocores.h>
22#include <linux/platform_data/i2c-xiic.h>
23
24#include <linux/spi/spi.h>
25#include <linux/spi/xilinx_spi.h>
26#include <linux/spi/max7301.h>
27#include <linux/spi/mc33880.h>
28
29#include <linux/platform_data/media/timb_radio.h>
30#include <linux/platform_data/media/timb_video.h>
31
32#include <linux/timb_dma.h>
33
34#include <linux/ks8842.h>
35
36#include "timberdale.h"
37
38#define DRIVER_NAME "timberdale"
39
40struct timberdale_device {
41 resource_size_t ctl_mapbase;
42 unsigned char __iomem *ctl_membase;
43 struct {
44 u32 major;
45 u32 minor;
46 u32 config;
47 } fw;
48};
49
50/*--------------------------------------------------------------------------*/
51
52static const struct property_entry timberdale_tsc2007_properties[] = {
53 PROPERTY_ENTRY_U32("ti,x-plate-ohms", 100),
54 { }
55};
56
57static const struct software_node timberdale_tsc2007_node = {
58 .name = "tsc2007",
59 .properties = timberdale_tsc2007_properties,
60};
61
62static struct i2c_board_info timberdale_i2c_board_info[] = {
63 {
64 I2C_BOARD_INFO("tsc2007", 0x48),
65 .irq = IRQ_TIMBERDALE_TSC_INT,
66 .swnode = &timberdale_tsc2007_node,
67 },
68};
69
70static struct xiic_i2c_platform_data
71timberdale_xiic_platform_data = {
72 .devices = timberdale_i2c_board_info,
73 .num_devices = ARRAY_SIZE(timberdale_i2c_board_info)
74};
75
76static struct ocores_i2c_platform_data
77timberdale_ocores_platform_data = {
78 .reg_shift = 2,
79 .clock_khz = 62500,
80 .devices = timberdale_i2c_board_info,
81 .num_devices = ARRAY_SIZE(timberdale_i2c_board_info)
82};
83
84static const struct resource timberdale_xiic_resources[] = {
85 {
86 .start = XIICOFFSET,
87 .end = XIICEND,
88 .flags = IORESOURCE_MEM,
89 },
90 {
91 .start = IRQ_TIMBERDALE_I2C,
92 .end = IRQ_TIMBERDALE_I2C,
93 .flags = IORESOURCE_IRQ,
94 },
95};
96
97static const struct resource timberdale_ocores_resources[] = {
98 {
99 .start = OCORESOFFSET,
100 .end = OCORESEND,
101 .flags = IORESOURCE_MEM,
102 },
103 {
104 .start = IRQ_TIMBERDALE_I2C,
105 .end = IRQ_TIMBERDALE_I2C,
106 .flags = IORESOURCE_IRQ,
107 },
108};
109
110static const struct max7301_platform_data timberdale_max7301_platform_data = {
111 .base = 200
112};
113
114static const struct mc33880_platform_data timberdale_mc33880_platform_data = {
115 .base = 100
116};
117
118static struct spi_board_info timberdale_spi_16bit_board_info[] = {
119 {
120 .modalias = "max7301",
121 .max_speed_hz = 26000,
122 .chip_select = 2,
123 .mode = SPI_MODE_0,
124 .platform_data = &timberdale_max7301_platform_data
125 },
126};
127
128static struct spi_board_info timberdale_spi_8bit_board_info[] = {
129 {
130 .modalias = "mc33880",
131 .max_speed_hz = 4000,
132 .chip_select = 1,
133 .mode = SPI_MODE_1,
134 .platform_data = &timberdale_mc33880_platform_data
135 },
136};
137
138static struct xspi_platform_data timberdale_xspi_platform_data = {
139 .num_chipselect = 3,
140 /* bits per word and devices will be filled in runtime depending
141 * on the HW config
142 */
143};
144
145static const struct resource timberdale_spi_resources[] = {
146 {
147 .start = SPIOFFSET,
148 .end = SPIEND,
149 .flags = IORESOURCE_MEM,
150 },
151 {
152 .start = IRQ_TIMBERDALE_SPI,
153 .end = IRQ_TIMBERDALE_SPI,
154 .flags = IORESOURCE_IRQ,
155 },
156};
157
158static struct ks8842_platform_data
159 timberdale_ks8842_platform_data = {
160 .rx_dma_channel = DMA_ETH_RX,
161 .tx_dma_channel = DMA_ETH_TX
162};
163
164static const struct resource timberdale_eth_resources[] = {
165 {
166 .start = ETHOFFSET,
167 .end = ETHEND,
168 .flags = IORESOURCE_MEM,
169 },
170 {
171 .start = IRQ_TIMBERDALE_ETHSW_IF,
172 .end = IRQ_TIMBERDALE_ETHSW_IF,
173 .flags = IORESOURCE_IRQ,
174 },
175};
176
177static struct timbgpio_platform_data
178 timberdale_gpio_platform_data = {
179 .gpio_base = 0,
180 .nr_pins = GPIO_NR_PINS,
181 .irq_base = 200,
182};
183
184static const struct resource timberdale_gpio_resources[] = {
185 {
186 .start = GPIOOFFSET,
187 .end = GPIOEND,
188 .flags = IORESOURCE_MEM,
189 },
190 {
191 .start = IRQ_TIMBERDALE_GPIO,
192 .end = IRQ_TIMBERDALE_GPIO,
193 .flags = IORESOURCE_IRQ,
194 },
195};
196
197static const struct resource timberdale_mlogicore_resources[] = {
198 {
199 .start = MLCOREOFFSET,
200 .end = MLCOREEND,
201 .flags = IORESOURCE_MEM,
202 },
203 {
204 .start = IRQ_TIMBERDALE_MLCORE,
205 .end = IRQ_TIMBERDALE_MLCORE,
206 .flags = IORESOURCE_IRQ,
207 },
208 {
209 .start = IRQ_TIMBERDALE_MLCORE_BUF,
210 .end = IRQ_TIMBERDALE_MLCORE_BUF,
211 .flags = IORESOURCE_IRQ,
212 },
213};
214
215static const struct resource timberdale_uart_resources[] = {
216 {
217 .start = UARTOFFSET,
218 .end = UARTEND,
219 .flags = IORESOURCE_MEM,
220 },
221 {
222 .start = IRQ_TIMBERDALE_UART,
223 .end = IRQ_TIMBERDALE_UART,
224 .flags = IORESOURCE_IRQ,
225 },
226};
227
228static const struct resource timberdale_uartlite_resources[] = {
229 {
230 .start = UARTLITEOFFSET,
231 .end = UARTLITEEND,
232 .flags = IORESOURCE_MEM,
233 },
234 {
235 .start = IRQ_TIMBERDALE_UARTLITE,
236 .end = IRQ_TIMBERDALE_UARTLITE,
237 .flags = IORESOURCE_IRQ,
238 },
239};
240
241static struct i2c_board_info timberdale_adv7180_i2c_board_info = {
242 /* Requires jumper JP9 to be off */
243 I2C_BOARD_INFO("adv7180", 0x42 >> 1),
244 .irq = IRQ_TIMBERDALE_ADV7180
245};
246
247static struct timb_video_platform_data
248 timberdale_video_platform_data = {
249 .dma_channel = DMA_VIDEO_RX,
250 .i2c_adapter = 0,
251 .encoder = {
252 .info = &timberdale_adv7180_i2c_board_info
253 }
254};
255
256static const struct resource
257timberdale_radio_resources[] = {
258 {
259 .start = RDSOFFSET,
260 .end = RDSEND,
261 .flags = IORESOURCE_MEM,
262 },
263 {
264 .start = IRQ_TIMBERDALE_RDS,
265 .end = IRQ_TIMBERDALE_RDS,
266 .flags = IORESOURCE_IRQ,
267 },
268};
269
270static struct i2c_board_info timberdale_tef6868_i2c_board_info = {
271 I2C_BOARD_INFO("tef6862", 0x60)
272};
273
274static struct i2c_board_info timberdale_saa7706_i2c_board_info = {
275 I2C_BOARD_INFO("saa7706h", 0x1C)
276};
277
278static struct timb_radio_platform_data
279 timberdale_radio_platform_data = {
280 .i2c_adapter = 0,
281 .tuner = &timberdale_tef6868_i2c_board_info,
282 .dsp = &timberdale_saa7706_i2c_board_info
283};
284
285static const struct resource timberdale_video_resources[] = {
286 {
287 .start = LOGIWOFFSET,
288 .end = LOGIWEND,
289 .flags = IORESOURCE_MEM,
290 },
291 /*
292 note that the "frame buffer" is located in DMA area
293 starting at 0x1200000
294 */
295};
296
297static struct timb_dma_platform_data timb_dma_platform_data = {
298 .nr_channels = 10,
299 .channels = {
300 {
301 /* UART RX */
302 .rx = true,
303 .descriptors = 2,
304 .descriptor_elements = 1
305 },
306 {
307 /* UART TX */
308 .rx = false,
309 .descriptors = 2,
310 .descriptor_elements = 1
311 },
312 {
313 /* MLB RX */
314 .rx = true,
315 .descriptors = 2,
316 .descriptor_elements = 1
317 },
318 {
319 /* MLB TX */
320 .rx = false,
321 .descriptors = 2,
322 .descriptor_elements = 1
323 },
324 {
325 /* Video RX */
326 .rx = true,
327 .bytes_per_line = 1440,
328 .descriptors = 2,
329 .descriptor_elements = 16
330 },
331 {
332 /* Video framedrop */
333 },
334 {
335 /* SDHCI RX */
336 .rx = true,
337 },
338 {
339 /* SDHCI TX */
340 },
341 {
342 /* ETH RX */
343 .rx = true,
344 .descriptors = 2,
345 .descriptor_elements = 1
346 },
347 {
348 /* ETH TX */
349 .rx = false,
350 .descriptors = 2,
351 .descriptor_elements = 1
352 },
353 }
354};
355
356static const struct resource timberdale_dma_resources[] = {
357 {
358 .start = DMAOFFSET,
359 .end = DMAEND,
360 .flags = IORESOURCE_MEM,
361 },
362 {
363 .start = IRQ_TIMBERDALE_DMA,
364 .end = IRQ_TIMBERDALE_DMA,
365 .flags = IORESOURCE_IRQ,
366 },
367};
368
369static const struct mfd_cell timberdale_cells_bar0_cfg0[] = {
370 {
371 .name = "timb-dma",
372 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
373 .resources = timberdale_dma_resources,
374 .platform_data = &timb_dma_platform_data,
375 .pdata_size = sizeof(timb_dma_platform_data),
376 },
377 {
378 .name = "timb-uart",
379 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
380 .resources = timberdale_uart_resources,
381 },
382 {
383 .name = "xiic-i2c",
384 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
385 .resources = timberdale_xiic_resources,
386 .platform_data = &timberdale_xiic_platform_data,
387 .pdata_size = sizeof(timberdale_xiic_platform_data),
388 },
389 {
390 .name = "timb-gpio",
391 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
392 .resources = timberdale_gpio_resources,
393 .platform_data = &timberdale_gpio_platform_data,
394 .pdata_size = sizeof(timberdale_gpio_platform_data),
395 },
396 {
397 .name = "timb-video",
398 .num_resources = ARRAY_SIZE(timberdale_video_resources),
399 .resources = timberdale_video_resources,
400 .platform_data = &timberdale_video_platform_data,
401 .pdata_size = sizeof(timberdale_video_platform_data),
402 },
403 {
404 .name = "timb-radio",
405 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
406 .resources = timberdale_radio_resources,
407 .platform_data = &timberdale_radio_platform_data,
408 .pdata_size = sizeof(timberdale_radio_platform_data),
409 },
410 {
411 .name = "xilinx_spi",
412 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
413 .resources = timberdale_spi_resources,
414 .platform_data = &timberdale_xspi_platform_data,
415 .pdata_size = sizeof(timberdale_xspi_platform_data),
416 },
417 {
418 .name = "ks8842",
419 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
420 .resources = timberdale_eth_resources,
421 .platform_data = &timberdale_ks8842_platform_data,
422 .pdata_size = sizeof(timberdale_ks8842_platform_data),
423 },
424};
425
426static const struct mfd_cell timberdale_cells_bar0_cfg1[] = {
427 {
428 .name = "timb-dma",
429 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
430 .resources = timberdale_dma_resources,
431 .platform_data = &timb_dma_platform_data,
432 .pdata_size = sizeof(timb_dma_platform_data),
433 },
434 {
435 .name = "timb-uart",
436 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
437 .resources = timberdale_uart_resources,
438 },
439 {
440 .name = "uartlite",
441 .num_resources = ARRAY_SIZE(timberdale_uartlite_resources),
442 .resources = timberdale_uartlite_resources,
443 },
444 {
445 .name = "xiic-i2c",
446 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
447 .resources = timberdale_xiic_resources,
448 .platform_data = &timberdale_xiic_platform_data,
449 .pdata_size = sizeof(timberdale_xiic_platform_data),
450 },
451 {
452 .name = "timb-gpio",
453 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
454 .resources = timberdale_gpio_resources,
455 .platform_data = &timberdale_gpio_platform_data,
456 .pdata_size = sizeof(timberdale_gpio_platform_data),
457 },
458 {
459 .name = "timb-mlogicore",
460 .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources),
461 .resources = timberdale_mlogicore_resources,
462 },
463 {
464 .name = "timb-video",
465 .num_resources = ARRAY_SIZE(timberdale_video_resources),
466 .resources = timberdale_video_resources,
467 .platform_data = &timberdale_video_platform_data,
468 .pdata_size = sizeof(timberdale_video_platform_data),
469 },
470 {
471 .name = "timb-radio",
472 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
473 .resources = timberdale_radio_resources,
474 .platform_data = &timberdale_radio_platform_data,
475 .pdata_size = sizeof(timberdale_radio_platform_data),
476 },
477 {
478 .name = "xilinx_spi",
479 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
480 .resources = timberdale_spi_resources,
481 .platform_data = &timberdale_xspi_platform_data,
482 .pdata_size = sizeof(timberdale_xspi_platform_data),
483 },
484 {
485 .name = "ks8842",
486 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
487 .resources = timberdale_eth_resources,
488 .platform_data = &timberdale_ks8842_platform_data,
489 .pdata_size = sizeof(timberdale_ks8842_platform_data),
490 },
491};
492
493static const struct mfd_cell timberdale_cells_bar0_cfg2[] = {
494 {
495 .name = "timb-dma",
496 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
497 .resources = timberdale_dma_resources,
498 .platform_data = &timb_dma_platform_data,
499 .pdata_size = sizeof(timb_dma_platform_data),
500 },
501 {
502 .name = "timb-uart",
503 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
504 .resources = timberdale_uart_resources,
505 },
506 {
507 .name = "xiic-i2c",
508 .num_resources = ARRAY_SIZE(timberdale_xiic_resources),
509 .resources = timberdale_xiic_resources,
510 .platform_data = &timberdale_xiic_platform_data,
511 .pdata_size = sizeof(timberdale_xiic_platform_data),
512 },
513 {
514 .name = "timb-gpio",
515 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
516 .resources = timberdale_gpio_resources,
517 .platform_data = &timberdale_gpio_platform_data,
518 .pdata_size = sizeof(timberdale_gpio_platform_data),
519 },
520 {
521 .name = "timb-video",
522 .num_resources = ARRAY_SIZE(timberdale_video_resources),
523 .resources = timberdale_video_resources,
524 .platform_data = &timberdale_video_platform_data,
525 .pdata_size = sizeof(timberdale_video_platform_data),
526 },
527 {
528 .name = "timb-radio",
529 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
530 .resources = timberdale_radio_resources,
531 .platform_data = &timberdale_radio_platform_data,
532 .pdata_size = sizeof(timberdale_radio_platform_data),
533 },
534 {
535 .name = "xilinx_spi",
536 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
537 .resources = timberdale_spi_resources,
538 .platform_data = &timberdale_xspi_platform_data,
539 .pdata_size = sizeof(timberdale_xspi_platform_data),
540 },
541};
542
543static const struct mfd_cell timberdale_cells_bar0_cfg3[] = {
544 {
545 .name = "timb-dma",
546 .num_resources = ARRAY_SIZE(timberdale_dma_resources),
547 .resources = timberdale_dma_resources,
548 .platform_data = &timb_dma_platform_data,
549 .pdata_size = sizeof(timb_dma_platform_data),
550 },
551 {
552 .name = "timb-uart",
553 .num_resources = ARRAY_SIZE(timberdale_uart_resources),
554 .resources = timberdale_uart_resources,
555 },
556 {
557 .name = "ocores-i2c",
558 .num_resources = ARRAY_SIZE(timberdale_ocores_resources),
559 .resources = timberdale_ocores_resources,
560 .platform_data = &timberdale_ocores_platform_data,
561 .pdata_size = sizeof(timberdale_ocores_platform_data),
562 },
563 {
564 .name = "timb-gpio",
565 .num_resources = ARRAY_SIZE(timberdale_gpio_resources),
566 .resources = timberdale_gpio_resources,
567 .platform_data = &timberdale_gpio_platform_data,
568 .pdata_size = sizeof(timberdale_gpio_platform_data),
569 },
570 {
571 .name = "timb-video",
572 .num_resources = ARRAY_SIZE(timberdale_video_resources),
573 .resources = timberdale_video_resources,
574 .platform_data = &timberdale_video_platform_data,
575 .pdata_size = sizeof(timberdale_video_platform_data),
576 },
577 {
578 .name = "timb-radio",
579 .num_resources = ARRAY_SIZE(timberdale_radio_resources),
580 .resources = timberdale_radio_resources,
581 .platform_data = &timberdale_radio_platform_data,
582 .pdata_size = sizeof(timberdale_radio_platform_data),
583 },
584 {
585 .name = "xilinx_spi",
586 .num_resources = ARRAY_SIZE(timberdale_spi_resources),
587 .resources = timberdale_spi_resources,
588 .platform_data = &timberdale_xspi_platform_data,
589 .pdata_size = sizeof(timberdale_xspi_platform_data),
590 },
591 {
592 .name = "ks8842",
593 .num_resources = ARRAY_SIZE(timberdale_eth_resources),
594 .resources = timberdale_eth_resources,
595 .platform_data = &timberdale_ks8842_platform_data,
596 .pdata_size = sizeof(timberdale_ks8842_platform_data),
597 },
598};
599
600static const struct resource timberdale_sdhc_resources[] = {
601 /* located in bar 1 and bar 2 */
602 {
603 .start = SDHC0OFFSET,
604 .end = SDHC0END,
605 .flags = IORESOURCE_MEM,
606 },
607 {
608 .start = IRQ_TIMBERDALE_SDHC,
609 .end = IRQ_TIMBERDALE_SDHC,
610 .flags = IORESOURCE_IRQ,
611 },
612};
613
614static const struct mfd_cell timberdale_cells_bar1[] = {
615 {
616 .name = "sdhci",
617 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources),
618 .resources = timberdale_sdhc_resources,
619 },
620};
621
622static const struct mfd_cell timberdale_cells_bar2[] = {
623 {
624 .name = "sdhci",
625 .num_resources = ARRAY_SIZE(timberdale_sdhc_resources),
626 .resources = timberdale_sdhc_resources,
627 },
628};
629
630static ssize_t fw_ver_show(struct device *dev,
631 struct device_attribute *attr, char *buf)
632{
633 struct timberdale_device *priv = dev_get_drvdata(dev);
634
635 return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor,
636 priv->fw.config);
637}
638
639static DEVICE_ATTR_RO(fw_ver);
640
641/*--------------------------------------------------------------------------*/
642
643static int timb_probe(struct pci_dev *dev,
644 const struct pci_device_id *id)
645{
646 struct timberdale_device *priv;
647 int err, i;
648 resource_size_t mapbase;
649 struct msix_entry *msix_entries = NULL;
650 u8 ip_setup;
651
652 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
653 if (!priv)
654 return -ENOMEM;
655
656 pci_set_drvdata(dev, priv);
657
658 err = pci_enable_device(dev);
659 if (err)
660 goto err_enable;
661
662 mapbase = pci_resource_start(dev, 0);
663 if (!mapbase) {
664 dev_err(&dev->dev, "No resource\n");
665 goto err_start;
666 }
667
668 /* create a resource for the PCI master register */
669 priv->ctl_mapbase = mapbase + CHIPCTLOFFSET;
670 if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) {
671 dev_err(&dev->dev, "Failed to request ctl mem\n");
672 goto err_start;
673 }
674
675 priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE);
676 if (!priv->ctl_membase) {
677 dev_err(&dev->dev, "ioremap failed for ctl mem\n");
678 goto err_ioremap;
679 }
680
681 /* read the HW config */
682 priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR);
683 priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR);
684 priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG);
685
686 if (priv->fw.major > TIMB_SUPPORTED_MAJOR) {
687 dev_err(&dev->dev, "The driver supports an older "
688 "version of the FPGA, please update the driver to "
689 "support %d.%d\n", priv->fw.major, priv->fw.minor);
690 goto err_config;
691 }
692 if (priv->fw.major < TIMB_SUPPORTED_MAJOR ||
693 priv->fw.minor < TIMB_REQUIRED_MINOR) {
694 dev_err(&dev->dev, "The FPGA image is too old (%d.%d), "
695 "please upgrade the FPGA to at least: %d.%d\n",
696 priv->fw.major, priv->fw.minor,
697 TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR);
698 goto err_config;
699 }
700
701 msix_entries = kcalloc(TIMBERDALE_NR_IRQS, sizeof(*msix_entries),
702 GFP_KERNEL);
703 if (!msix_entries)
704 goto err_config;
705
706 for (i = 0; i < TIMBERDALE_NR_IRQS; i++)
707 msix_entries[i].entry = i;
708
709 err = pci_enable_msix_exact(dev, msix_entries, TIMBERDALE_NR_IRQS);
710 if (err) {
711 dev_err(&dev->dev,
712 "MSI-X init failed: %d, expected entries: %d\n",
713 err, TIMBERDALE_NR_IRQS);
714 goto err_msix;
715 }
716
717 err = device_create_file(&dev->dev, &dev_attr_fw_ver);
718 if (err)
719 goto err_create_file;
720
721 /* Reset all FPGA PLB peripherals */
722 iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST);
723
724 /* update IRQ offsets in I2C board info */
725 for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++)
726 timberdale_i2c_board_info[i].irq =
727 msix_entries[timberdale_i2c_board_info[i].irq].vector;
728
729 /* Update the SPI configuration depending on the HW (8 or 16 bit) */
730 if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) {
731 timberdale_xspi_platform_data.bits_per_word = 8;
732 timberdale_xspi_platform_data.devices =
733 timberdale_spi_8bit_board_info;
734 timberdale_xspi_platform_data.num_devices =
735 ARRAY_SIZE(timberdale_spi_8bit_board_info);
736 } else {
737 timberdale_xspi_platform_data.bits_per_word = 16;
738 timberdale_xspi_platform_data.devices =
739 timberdale_spi_16bit_board_info;
740 timberdale_xspi_platform_data.num_devices =
741 ARRAY_SIZE(timberdale_spi_16bit_board_info);
742 }
743
744 ip_setup = priv->fw.config & TIMB_HW_VER_MASK;
745 switch (ip_setup) {
746 case TIMB_HW_VER0:
747 err = mfd_add_devices(&dev->dev, -1,
748 timberdale_cells_bar0_cfg0,
749 ARRAY_SIZE(timberdale_cells_bar0_cfg0),
750 &dev->resource[0], msix_entries[0].vector, NULL);
751 break;
752 case TIMB_HW_VER1:
753 err = mfd_add_devices(&dev->dev, -1,
754 timberdale_cells_bar0_cfg1,
755 ARRAY_SIZE(timberdale_cells_bar0_cfg1),
756 &dev->resource[0], msix_entries[0].vector, NULL);
757 break;
758 case TIMB_HW_VER2:
759 err = mfd_add_devices(&dev->dev, -1,
760 timberdale_cells_bar0_cfg2,
761 ARRAY_SIZE(timberdale_cells_bar0_cfg2),
762 &dev->resource[0], msix_entries[0].vector, NULL);
763 break;
764 case TIMB_HW_VER3:
765 err = mfd_add_devices(&dev->dev, -1,
766 timberdale_cells_bar0_cfg3,
767 ARRAY_SIZE(timberdale_cells_bar0_cfg3),
768 &dev->resource[0], msix_entries[0].vector, NULL);
769 break;
770 default:
771 dev_err(&dev->dev, "Unknown IP setup: %d.%d.%d\n",
772 priv->fw.major, priv->fw.minor, ip_setup);
773 goto err_mfd;
774 }
775
776 if (err) {
777 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
778 goto err_mfd;
779 }
780
781 err = mfd_add_devices(&dev->dev, 0,
782 timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1),
783 &dev->resource[1], msix_entries[0].vector, NULL);
784 if (err) {
785 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
786 goto err_mfd2;
787 }
788
789 /* only version 0 and 3 have the iNand routed to SDHCI */
790 if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) ||
791 ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) {
792 err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2,
793 ARRAY_SIZE(timberdale_cells_bar2),
794 &dev->resource[2], msix_entries[0].vector, NULL);
795 if (err) {
796 dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
797 goto err_mfd2;
798 }
799 }
800
801 kfree(msix_entries);
802
803 dev_info(&dev->dev,
804 "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n",
805 priv->fw.major, priv->fw.minor, priv->fw.config);
806
807 return 0;
808
809err_mfd2:
810 mfd_remove_devices(&dev->dev);
811err_mfd:
812 device_remove_file(&dev->dev, &dev_attr_fw_ver);
813err_create_file:
814 pci_disable_msix(dev);
815err_msix:
816 kfree(msix_entries);
817err_config:
818 iounmap(priv->ctl_membase);
819err_ioremap:
820 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
821err_start:
822 pci_disable_device(dev);
823err_enable:
824 kfree(priv);
825 return -ENODEV;
826}
827
828static void timb_remove(struct pci_dev *dev)
829{
830 struct timberdale_device *priv = pci_get_drvdata(dev);
831
832 mfd_remove_devices(&dev->dev);
833
834 device_remove_file(&dev->dev, &dev_attr_fw_ver);
835
836 iounmap(priv->ctl_membase);
837 release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);
838
839 pci_disable_msix(dev);
840 pci_disable_device(dev);
841 kfree(priv);
842}
843
844static const struct pci_device_id timberdale_pci_tbl[] = {
845 { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) },
846 { 0 }
847};
848MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl);
849
850static struct pci_driver timberdale_pci_driver = {
851 .name = DRIVER_NAME,
852 .id_table = timberdale_pci_tbl,
853 .probe = timb_probe,
854 .remove = timb_remove,
855};
856
857module_pci_driver(timberdale_pci_driver);
858
859MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
860MODULE_VERSION(DRV_VERSION);
861MODULE_DESCRIPTION("Timberdale FPGA MFD driver");
862MODULE_LICENSE("GPL v2");