Loading...
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/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 fw_ver_show(struct device *dev,
627 struct device_attribute *attr, 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_RO(fw_ver);
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");