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8edbede9 RR |
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> | |
5a0e3ad6 | 28 | #include <linux/slab.h> |
8edbede9 RR |
29 | |
30 | #include <linux/timb_gpio.h> | |
31 | ||
32 | #include <linux/i2c.h> | |
33 | #include <linux/i2c-ocores.h> | |
d84027bc | 34 | #include <linux/i2c-xiic.h> |
8edbede9 RR |
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 | ||
071193ff RR |
42 | #include <media/timb_radio.h> |
43 | ||
8edbede9 RR |
44 | #include "timberdale.h" |
45 | ||
46 | #define DRIVER_NAME "timberdale" | |
47 | ||
48 | struct timberdale_device { | |
49 | resource_size_t ctl_mapbase; | |
50 | unsigned char __iomem *ctl_membase; | |
51 | struct { | |
52 | u32 major; | |
53 | u32 minor; | |
54 | u32 config; | |
55 | } fw; | |
56 | }; | |
57 | ||
58 | /*--------------------------------------------------------------------------*/ | |
59 | ||
60 | static struct tsc2007_platform_data timberdale_tsc2007_platform_data = { | |
61 | .model = 2003, | |
62 | .x_plate_ohms = 100 | |
63 | }; | |
64 | ||
65 | static struct i2c_board_info timberdale_i2c_board_info[] = { | |
66 | { | |
67 | I2C_BOARD_INFO("tsc2007", 0x48), | |
68 | .platform_data = &timberdale_tsc2007_platform_data, | |
69 | .irq = IRQ_TIMBERDALE_TSC_INT | |
70 | }, | |
71 | }; | |
72 | ||
d84027bc RR |
73 | static __devinitdata struct xiic_i2c_platform_data |
74 | timberdale_xiic_platform_data = { | |
75 | .devices = timberdale_i2c_board_info, | |
76 | .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) | |
77 | }; | |
78 | ||
8edbede9 RR |
79 | static __devinitdata struct ocores_i2c_platform_data |
80 | timberdale_ocores_platform_data = { | |
81 | .regstep = 4, | |
82 | .clock_khz = 62500, | |
83 | .devices = timberdale_i2c_board_info, | |
84 | .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) | |
85 | }; | |
86 | ||
d84027bc RR |
87 | const static __devinitconst struct resource timberdale_xiic_resources[] = { |
88 | { | |
89 | .start = XIICOFFSET, | |
90 | .end = XIICEND, | |
91 | .flags = IORESOURCE_MEM, | |
92 | }, | |
93 | { | |
94 | .start = IRQ_TIMBERDALE_I2C, | |
95 | .end = IRQ_TIMBERDALE_I2C, | |
96 | .flags = IORESOURCE_IRQ, | |
97 | }, | |
98 | }; | |
99 | ||
8edbede9 RR |
100 | const static __devinitconst struct resource timberdale_ocores_resources[] = { |
101 | { | |
102 | .start = OCORESOFFSET, | |
103 | .end = OCORESEND, | |
104 | .flags = IORESOURCE_MEM, | |
105 | }, | |
106 | { | |
107 | .start = IRQ_TIMBERDALE_I2C, | |
108 | .end = IRQ_TIMBERDALE_I2C, | |
109 | .flags = IORESOURCE_IRQ, | |
110 | }, | |
111 | }; | |
112 | ||
113 | const struct max7301_platform_data timberdale_max7301_platform_data = { | |
114 | .base = 200 | |
115 | }; | |
116 | ||
117 | const struct mc33880_platform_data timberdale_mc33880_platform_data = { | |
118 | .base = 100 | |
119 | }; | |
120 | ||
121 | static struct spi_board_info timberdale_spi_16bit_board_info[] = { | |
122 | { | |
123 | .modalias = "max7301", | |
124 | .max_speed_hz = 26000, | |
125 | .chip_select = 2, | |
126 | .mode = SPI_MODE_0, | |
127 | .platform_data = &timberdale_max7301_platform_data | |
128 | }, | |
129 | }; | |
130 | ||
131 | static struct spi_board_info timberdale_spi_8bit_board_info[] = { | |
132 | { | |
133 | .modalias = "mc33880", | |
134 | .max_speed_hz = 4000, | |
135 | .chip_select = 1, | |
136 | .mode = SPI_MODE_1, | |
137 | .platform_data = &timberdale_mc33880_platform_data | |
138 | }, | |
139 | }; | |
140 | ||
141 | static __devinitdata struct xspi_platform_data timberdale_xspi_platform_data = { | |
142 | .num_chipselect = 3, | |
143 | .little_endian = true, | |
144 | /* bits per word and devices will be filled in runtime depending | |
145 | * on the HW config | |
146 | */ | |
147 | }; | |
148 | ||
149 | const static __devinitconst struct resource timberdale_spi_resources[] = { | |
150 | { | |
151 | .start = SPIOFFSET, | |
152 | .end = SPIEND, | |
153 | .flags = IORESOURCE_MEM, | |
154 | }, | |
155 | { | |
156 | .start = IRQ_TIMBERDALE_SPI, | |
157 | .end = IRQ_TIMBERDALE_SPI, | |
158 | .flags = IORESOURCE_IRQ, | |
159 | }, | |
160 | }; | |
161 | ||
162 | const static __devinitconst struct resource timberdale_eth_resources[] = { | |
163 | { | |
164 | .start = ETHOFFSET, | |
165 | .end = ETHEND, | |
166 | .flags = IORESOURCE_MEM, | |
167 | }, | |
168 | { | |
169 | .start = IRQ_TIMBERDALE_ETHSW_IF, | |
170 | .end = IRQ_TIMBERDALE_ETHSW_IF, | |
171 | .flags = IORESOURCE_IRQ, | |
172 | }, | |
173 | }; | |
174 | ||
175 | static __devinitdata struct timbgpio_platform_data | |
176 | timberdale_gpio_platform_data = { | |
177 | .gpio_base = 0, | |
178 | .nr_pins = GPIO_NR_PINS, | |
179 | .irq_base = 200, | |
180 | }; | |
181 | ||
182 | const static __devinitconst struct resource timberdale_gpio_resources[] = { | |
183 | { | |
184 | .start = GPIOOFFSET, | |
185 | .end = GPIOEND, | |
186 | .flags = IORESOURCE_MEM, | |
187 | }, | |
188 | { | |
189 | .start = IRQ_TIMBERDALE_GPIO, | |
190 | .end = IRQ_TIMBERDALE_GPIO, | |
191 | .flags = IORESOURCE_IRQ, | |
192 | }, | |
193 | }; | |
194 | ||
195 | const static __devinitconst struct resource timberdale_mlogicore_resources[] = { | |
196 | { | |
197 | .start = MLCOREOFFSET, | |
198 | .end = MLCOREEND, | |
199 | .flags = IORESOURCE_MEM, | |
200 | }, | |
201 | { | |
202 | .start = IRQ_TIMBERDALE_MLCORE, | |
203 | .end = IRQ_TIMBERDALE_MLCORE, | |
204 | .flags = IORESOURCE_IRQ, | |
205 | }, | |
206 | { | |
207 | .start = IRQ_TIMBERDALE_MLCORE_BUF, | |
208 | .end = IRQ_TIMBERDALE_MLCORE_BUF, | |
209 | .flags = IORESOURCE_IRQ, | |
210 | }, | |
211 | }; | |
212 | ||
213 | const static __devinitconst struct resource timberdale_uart_resources[] = { | |
214 | { | |
215 | .start = UARTOFFSET, | |
216 | .end = UARTEND, | |
217 | .flags = IORESOURCE_MEM, | |
218 | }, | |
219 | { | |
220 | .start = IRQ_TIMBERDALE_UART, | |
221 | .end = IRQ_TIMBERDALE_UART, | |
222 | .flags = IORESOURCE_IRQ, | |
223 | }, | |
224 | }; | |
225 | ||
226 | const static __devinitconst struct resource timberdale_uartlite_resources[] = { | |
227 | { | |
228 | .start = UARTLITEOFFSET, | |
229 | .end = UARTLITEEND, | |
230 | .flags = IORESOURCE_MEM, | |
231 | }, | |
232 | { | |
233 | .start = IRQ_TIMBERDALE_UARTLITE, | |
234 | .end = IRQ_TIMBERDALE_UARTLITE, | |
235 | .flags = IORESOURCE_IRQ, | |
236 | }, | |
237 | }; | |
238 | ||
071193ff RR |
239 | const static __devinitconst struct resource timberdale_radio_resources[] = { |
240 | { | |
241 | .start = RDSOFFSET, | |
242 | .end = RDSEND, | |
243 | .flags = IORESOURCE_MEM, | |
244 | }, | |
245 | { | |
246 | .start = IRQ_TIMBERDALE_RDS, | |
247 | .end = IRQ_TIMBERDALE_RDS, | |
248 | .flags = IORESOURCE_IRQ, | |
249 | }, | |
250 | }; | |
251 | ||
252 | static __devinitdata struct i2c_board_info timberdale_tef6868_i2c_board_info = { | |
253 | I2C_BOARD_INFO("tef6862", 0x60) | |
254 | }; | |
255 | ||
256 | static __devinitdata struct i2c_board_info timberdale_saa7706_i2c_board_info = { | |
257 | I2C_BOARD_INFO("saa7706h", 0x1C) | |
258 | }; | |
259 | ||
260 | static __devinitdata struct timb_radio_platform_data | |
261 | timberdale_radio_platform_data = { | |
262 | .i2c_adapter = 0, | |
263 | .tuner = { | |
264 | .module_name = "tef6862", | |
265 | .info = &timberdale_tef6868_i2c_board_info | |
266 | }, | |
267 | .dsp = { | |
268 | .module_name = "saa7706h", | |
269 | .info = &timberdale_saa7706_i2c_board_info | |
270 | } | |
271 | }; | |
272 | ||
8edbede9 RR |
273 | const static __devinitconst struct resource timberdale_dma_resources[] = { |
274 | { | |
275 | .start = DMAOFFSET, | |
276 | .end = DMAEND, | |
277 | .flags = IORESOURCE_MEM, | |
278 | }, | |
279 | { | |
280 | .start = IRQ_TIMBERDALE_DMA, | |
281 | .end = IRQ_TIMBERDALE_DMA, | |
282 | .flags = IORESOURCE_IRQ, | |
283 | }, | |
284 | }; | |
285 | ||
286 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = { | |
287 | { | |
288 | .name = "timb-uart", | |
289 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
290 | .resources = timberdale_uart_resources, | |
291 | }, | |
d84027bc RR |
292 | { |
293 | .name = "xiic-i2c", | |
294 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
295 | .resources = timberdale_xiic_resources, | |
296 | .platform_data = &timberdale_xiic_platform_data, | |
297 | .data_size = sizeof(timberdale_xiic_platform_data), | |
298 | }, | |
8edbede9 RR |
299 | { |
300 | .name = "timb-gpio", | |
301 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
302 | .resources = timberdale_gpio_resources, | |
303 | .platform_data = &timberdale_gpio_platform_data, | |
304 | .data_size = sizeof(timberdale_gpio_platform_data), | |
305 | }, | |
071193ff RR |
306 | { |
307 | .name = "timb-radio", | |
308 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
309 | .resources = timberdale_radio_resources, | |
310 | .platform_data = &timberdale_radio_platform_data, | |
311 | .data_size = sizeof(timberdale_radio_platform_data), | |
312 | }, | |
8edbede9 RR |
313 | { |
314 | .name = "xilinx_spi", | |
315 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
316 | .resources = timberdale_spi_resources, | |
317 | .platform_data = &timberdale_xspi_platform_data, | |
318 | .data_size = sizeof(timberdale_xspi_platform_data), | |
319 | }, | |
320 | { | |
321 | .name = "ks8842", | |
322 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
323 | .resources = timberdale_eth_resources, | |
324 | }, | |
325 | { | |
326 | .name = "timb-dma", | |
327 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
328 | .resources = timberdale_dma_resources, | |
329 | }, | |
330 | }; | |
331 | ||
332 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { | |
333 | { | |
334 | .name = "timb-uart", | |
335 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
336 | .resources = timberdale_uart_resources, | |
337 | }, | |
338 | { | |
339 | .name = "uartlite", | |
340 | .num_resources = ARRAY_SIZE(timberdale_uartlite_resources), | |
341 | .resources = timberdale_uartlite_resources, | |
342 | }, | |
d84027bc RR |
343 | { |
344 | .name = "xiic-i2c", | |
345 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
346 | .resources = timberdale_xiic_resources, | |
347 | .platform_data = &timberdale_xiic_platform_data, | |
348 | .data_size = sizeof(timberdale_xiic_platform_data), | |
349 | }, | |
8edbede9 RR |
350 | { |
351 | .name = "timb-gpio", | |
352 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
353 | .resources = timberdale_gpio_resources, | |
354 | .platform_data = &timberdale_gpio_platform_data, | |
355 | .data_size = sizeof(timberdale_gpio_platform_data), | |
356 | }, | |
357 | { | |
358 | .name = "timb-mlogicore", | |
359 | .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources), | |
360 | .resources = timberdale_mlogicore_resources, | |
361 | }, | |
071193ff RR |
362 | { |
363 | .name = "timb-radio", | |
364 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
365 | .resources = timberdale_radio_resources, | |
366 | .platform_data = &timberdale_radio_platform_data, | |
367 | .data_size = sizeof(timberdale_radio_platform_data), | |
368 | }, | |
8edbede9 RR |
369 | { |
370 | .name = "xilinx_spi", | |
371 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
372 | .resources = timberdale_spi_resources, | |
373 | .platform_data = &timberdale_xspi_platform_data, | |
374 | .data_size = sizeof(timberdale_xspi_platform_data), | |
375 | }, | |
376 | { | |
377 | .name = "ks8842", | |
378 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
379 | .resources = timberdale_eth_resources, | |
380 | }, | |
381 | { | |
382 | .name = "timb-dma", | |
383 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
384 | .resources = timberdale_dma_resources, | |
385 | }, | |
386 | }; | |
387 | ||
388 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { | |
389 | { | |
390 | .name = "timb-uart", | |
391 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
392 | .resources = timberdale_uart_resources, | |
393 | }, | |
d84027bc RR |
394 | { |
395 | .name = "xiic-i2c", | |
396 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
397 | .resources = timberdale_xiic_resources, | |
398 | .platform_data = &timberdale_xiic_platform_data, | |
399 | .data_size = sizeof(timberdale_xiic_platform_data), | |
400 | }, | |
8edbede9 RR |
401 | { |
402 | .name = "timb-gpio", | |
403 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
404 | .resources = timberdale_gpio_resources, | |
405 | .platform_data = &timberdale_gpio_platform_data, | |
406 | .data_size = sizeof(timberdale_gpio_platform_data), | |
407 | }, | |
071193ff RR |
408 | { |
409 | .name = "timb-radio", | |
410 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
411 | .resources = timberdale_radio_resources, | |
412 | .platform_data = &timberdale_radio_platform_data, | |
413 | .data_size = sizeof(timberdale_radio_platform_data), | |
414 | }, | |
8edbede9 RR |
415 | { |
416 | .name = "xilinx_spi", | |
417 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
418 | .resources = timberdale_spi_resources, | |
419 | .platform_data = &timberdale_xspi_platform_data, | |
420 | .data_size = sizeof(timberdale_xspi_platform_data), | |
421 | }, | |
422 | { | |
423 | .name = "timb-dma", | |
424 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
425 | .resources = timberdale_dma_resources, | |
426 | }, | |
427 | }; | |
428 | ||
429 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { | |
430 | { | |
431 | .name = "timb-uart", | |
432 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
433 | .resources = timberdale_uart_resources, | |
434 | }, | |
435 | { | |
436 | .name = "ocores-i2c", | |
437 | .num_resources = ARRAY_SIZE(timberdale_ocores_resources), | |
438 | .resources = timberdale_ocores_resources, | |
439 | .platform_data = &timberdale_ocores_platform_data, | |
440 | .data_size = sizeof(timberdale_ocores_platform_data), | |
441 | }, | |
442 | { | |
443 | .name = "timb-gpio", | |
444 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
445 | .resources = timberdale_gpio_resources, | |
446 | .platform_data = &timberdale_gpio_platform_data, | |
447 | .data_size = sizeof(timberdale_gpio_platform_data), | |
448 | }, | |
071193ff RR |
449 | { |
450 | .name = "timb-radio", | |
451 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
452 | .resources = timberdale_radio_resources, | |
453 | .platform_data = &timberdale_radio_platform_data, | |
454 | .data_size = sizeof(timberdale_radio_platform_data), | |
455 | }, | |
8edbede9 RR |
456 | { |
457 | .name = "xilinx_spi", | |
458 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
459 | .resources = timberdale_spi_resources, | |
460 | .platform_data = &timberdale_xspi_platform_data, | |
461 | .data_size = sizeof(timberdale_xspi_platform_data), | |
462 | }, | |
463 | { | |
464 | .name = "ks8842", | |
465 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
466 | .resources = timberdale_eth_resources, | |
467 | }, | |
468 | { | |
469 | .name = "timb-dma", | |
470 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
471 | .resources = timberdale_dma_resources, | |
472 | }, | |
473 | }; | |
474 | ||
475 | static const __devinitconst struct resource timberdale_sdhc_resources[] = { | |
476 | /* located in bar 1 and bar 2 */ | |
477 | { | |
478 | .start = SDHC0OFFSET, | |
479 | .end = SDHC0END, | |
480 | .flags = IORESOURCE_MEM, | |
481 | }, | |
482 | { | |
483 | .start = IRQ_TIMBERDALE_SDHC, | |
484 | .end = IRQ_TIMBERDALE_SDHC, | |
485 | .flags = IORESOURCE_IRQ, | |
486 | }, | |
487 | }; | |
488 | ||
489 | static __devinitdata struct mfd_cell timberdale_cells_bar1[] = { | |
490 | { | |
491 | .name = "sdhci", | |
492 | .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), | |
493 | .resources = timberdale_sdhc_resources, | |
494 | }, | |
495 | }; | |
496 | ||
497 | static __devinitdata struct mfd_cell timberdale_cells_bar2[] = { | |
498 | { | |
499 | .name = "sdhci", | |
500 | .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), | |
501 | .resources = timberdale_sdhc_resources, | |
502 | }, | |
503 | }; | |
504 | ||
505 | static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, | |
506 | char *buf) | |
507 | { | |
508 | struct pci_dev *pdev = to_pci_dev(dev); | |
509 | struct timberdale_device *priv = pci_get_drvdata(pdev); | |
510 | ||
511 | return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor, | |
512 | priv->fw.config); | |
513 | } | |
514 | ||
515 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
516 | ||
517 | /*--------------------------------------------------------------------------*/ | |
518 | ||
519 | static int __devinit timb_probe(struct pci_dev *dev, | |
520 | const struct pci_device_id *id) | |
521 | { | |
522 | struct timberdale_device *priv; | |
523 | int err, i; | |
524 | resource_size_t mapbase; | |
525 | struct msix_entry *msix_entries = NULL; | |
526 | u8 ip_setup; | |
527 | ||
528 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
529 | if (!priv) | |
530 | return -ENOMEM; | |
531 | ||
532 | pci_set_drvdata(dev, priv); | |
533 | ||
534 | err = pci_enable_device(dev); | |
535 | if (err) | |
536 | goto err_enable; | |
537 | ||
538 | mapbase = pci_resource_start(dev, 0); | |
539 | if (!mapbase) { | |
540 | dev_err(&dev->dev, "No resource\n"); | |
541 | goto err_start; | |
542 | } | |
543 | ||
544 | /* create a resource for the PCI master register */ | |
545 | priv->ctl_mapbase = mapbase + CHIPCTLOFFSET; | |
546 | if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) { | |
547 | dev_err(&dev->dev, "Failed to request ctl mem\n"); | |
548 | goto err_request; | |
549 | } | |
550 | ||
551 | priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE); | |
552 | if (!priv->ctl_membase) { | |
553 | dev_err(&dev->dev, "ioremap failed for ctl mem\n"); | |
554 | goto err_ioremap; | |
555 | } | |
556 | ||
557 | /* read the HW config */ | |
558 | priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR); | |
559 | priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR); | |
560 | priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG); | |
561 | ||
562 | if (priv->fw.major > TIMB_SUPPORTED_MAJOR) { | |
563 | dev_err(&dev->dev, "The driver supports an older " | |
564 | "version of the FPGA, please update the driver to " | |
565 | "support %d.%d\n", priv->fw.major, priv->fw.minor); | |
566 | goto err_ioremap; | |
567 | } | |
568 | if (priv->fw.major < TIMB_SUPPORTED_MAJOR || | |
569 | priv->fw.minor < TIMB_REQUIRED_MINOR) { | |
570 | dev_err(&dev->dev, "The FPGA image is too old (%d.%d), " | |
571 | "please upgrade the FPGA to at least: %d.%d\n", | |
572 | priv->fw.major, priv->fw.minor, | |
573 | TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR); | |
574 | goto err_ioremap; | |
575 | } | |
576 | ||
577 | msix_entries = kzalloc(TIMBERDALE_NR_IRQS * sizeof(*msix_entries), | |
578 | GFP_KERNEL); | |
579 | if (!msix_entries) | |
580 | goto err_ioremap; | |
581 | ||
582 | for (i = 0; i < TIMBERDALE_NR_IRQS; i++) | |
583 | msix_entries[i].entry = i; | |
584 | ||
585 | err = pci_enable_msix(dev, msix_entries, TIMBERDALE_NR_IRQS); | |
586 | if (err) { | |
587 | dev_err(&dev->dev, | |
588 | "MSI-X init failed: %d, expected entries: %d\n", | |
589 | err, TIMBERDALE_NR_IRQS); | |
590 | goto err_msix; | |
591 | } | |
592 | ||
593 | err = device_create_file(&dev->dev, &dev_attr_fw_ver); | |
594 | if (err) | |
595 | goto err_create_file; | |
596 | ||
597 | /* Reset all FPGA PLB peripherals */ | |
598 | iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST); | |
599 | ||
600 | /* update IRQ offsets in I2C board info */ | |
601 | for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++) | |
602 | timberdale_i2c_board_info[i].irq = | |
603 | msix_entries[timberdale_i2c_board_info[i].irq].vector; | |
604 | ||
605 | /* Update the SPI configuration depending on the HW (8 or 16 bit) */ | |
606 | if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) { | |
607 | timberdale_xspi_platform_data.bits_per_word = 8; | |
608 | timberdale_xspi_platform_data.devices = | |
609 | timberdale_spi_8bit_board_info; | |
610 | timberdale_xspi_platform_data.num_devices = | |
611 | ARRAY_SIZE(timberdale_spi_8bit_board_info); | |
612 | } else { | |
613 | timberdale_xspi_platform_data.bits_per_word = 16; | |
614 | timberdale_xspi_platform_data.devices = | |
615 | timberdale_spi_16bit_board_info; | |
616 | timberdale_xspi_platform_data.num_devices = | |
617 | ARRAY_SIZE(timberdale_spi_16bit_board_info); | |
618 | } | |
619 | ||
620 | ip_setup = priv->fw.config & TIMB_HW_VER_MASK; | |
621 | switch (ip_setup) { | |
622 | case TIMB_HW_VER0: | |
623 | err = mfd_add_devices(&dev->dev, -1, | |
624 | timberdale_cells_bar0_cfg0, | |
625 | ARRAY_SIZE(timberdale_cells_bar0_cfg0), | |
626 | &dev->resource[0], msix_entries[0].vector); | |
627 | break; | |
628 | case TIMB_HW_VER1: | |
629 | err = mfd_add_devices(&dev->dev, -1, | |
630 | timberdale_cells_bar0_cfg1, | |
631 | ARRAY_SIZE(timberdale_cells_bar0_cfg1), | |
632 | &dev->resource[0], msix_entries[0].vector); | |
633 | break; | |
634 | case TIMB_HW_VER2: | |
635 | err = mfd_add_devices(&dev->dev, -1, | |
636 | timberdale_cells_bar0_cfg2, | |
637 | ARRAY_SIZE(timberdale_cells_bar0_cfg2), | |
638 | &dev->resource[0], msix_entries[0].vector); | |
639 | break; | |
640 | case TIMB_HW_VER3: | |
641 | err = mfd_add_devices(&dev->dev, -1, | |
642 | timberdale_cells_bar0_cfg3, | |
643 | ARRAY_SIZE(timberdale_cells_bar0_cfg3), | |
644 | &dev->resource[0], msix_entries[0].vector); | |
645 | break; | |
646 | default: | |
647 | dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n", | |
648 | priv->fw.major, priv->fw.minor, ip_setup); | |
649 | err = -ENODEV; | |
650 | goto err_mfd; | |
651 | break; | |
652 | } | |
653 | ||
654 | if (err) { | |
655 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
656 | goto err_mfd; | |
657 | } | |
658 | ||
659 | err = mfd_add_devices(&dev->dev, 0, | |
660 | timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1), | |
661 | &dev->resource[1], msix_entries[0].vector); | |
662 | if (err) { | |
663 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
664 | goto err_mfd2; | |
665 | } | |
666 | ||
667 | /* only version 0 and 3 have the iNand routed to SDHCI */ | |
668 | if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) || | |
669 | ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) { | |
670 | err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2, | |
671 | ARRAY_SIZE(timberdale_cells_bar2), | |
672 | &dev->resource[2], msix_entries[0].vector); | |
673 | if (err) { | |
674 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
675 | goto err_mfd2; | |
676 | } | |
677 | } | |
678 | ||
679 | kfree(msix_entries); | |
680 | ||
681 | dev_info(&dev->dev, | |
682 | "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n", | |
683 | priv->fw.major, priv->fw.minor, priv->fw.config); | |
684 | ||
685 | return 0; | |
686 | ||
687 | err_mfd2: | |
688 | mfd_remove_devices(&dev->dev); | |
689 | err_mfd: | |
690 | device_remove_file(&dev->dev, &dev_attr_fw_ver); | |
691 | err_create_file: | |
692 | pci_disable_msix(dev); | |
693 | err_msix: | |
694 | iounmap(priv->ctl_membase); | |
695 | err_ioremap: | |
696 | release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); | |
697 | err_request: | |
698 | pci_set_drvdata(dev, NULL); | |
699 | err_start: | |
700 | pci_disable_device(dev); | |
701 | err_enable: | |
702 | kfree(msix_entries); | |
703 | kfree(priv); | |
704 | pci_set_drvdata(dev, NULL); | |
705 | return -ENODEV; | |
706 | } | |
707 | ||
708 | static void __devexit timb_remove(struct pci_dev *dev) | |
709 | { | |
710 | struct timberdale_device *priv = pci_get_drvdata(dev); | |
711 | ||
712 | mfd_remove_devices(&dev->dev); | |
713 | ||
714 | device_remove_file(&dev->dev, &dev_attr_fw_ver); | |
715 | ||
716 | iounmap(priv->ctl_membase); | |
717 | release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); | |
718 | ||
719 | pci_disable_msix(dev); | |
720 | pci_disable_device(dev); | |
721 | pci_set_drvdata(dev, NULL); | |
722 | kfree(priv); | |
723 | } | |
724 | ||
725 | static struct pci_device_id timberdale_pci_tbl[] = { | |
726 | { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) }, | |
727 | { 0 } | |
728 | }; | |
729 | MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl); | |
730 | ||
731 | static struct pci_driver timberdale_pci_driver = { | |
732 | .name = DRIVER_NAME, | |
733 | .id_table = timberdale_pci_tbl, | |
734 | .probe = timb_probe, | |
735 | .remove = __devexit_p(timb_remove), | |
736 | }; | |
737 | ||
738 | static int __init timberdale_init(void) | |
739 | { | |
740 | int err; | |
741 | ||
742 | err = pci_register_driver(&timberdale_pci_driver); | |
743 | if (err < 0) { | |
744 | printk(KERN_ERR | |
745 | "Failed to register PCI driver for %s device.\n", | |
746 | timberdale_pci_driver.name); | |
747 | return -ENODEV; | |
748 | } | |
749 | ||
750 | printk(KERN_INFO "Driver for %s has been successfully registered.\n", | |
751 | timberdale_pci_driver.name); | |
752 | ||
753 | return 0; | |
754 | } | |
755 | ||
756 | static void __exit timberdale_exit(void) | |
757 | { | |
758 | pci_unregister_driver(&timberdale_pci_driver); | |
759 | ||
760 | printk(KERN_INFO "Driver for %s has been successfully unregistered.\n", | |
761 | timberdale_pci_driver.name); | |
762 | } | |
763 | ||
764 | module_init(timberdale_init); | |
765 | module_exit(timberdale_exit); | |
766 | ||
767 | MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>"); | |
768 | MODULE_VERSION(DRV_VERSION); | |
769 | MODULE_LICENSE("GPL v2"); |