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