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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 | ||
dc64f30f RR |
44 | #include <linux/timb_dma.h> |
45 | ||
8edbede9 RR |
46 | #include "timberdale.h" |
47 | ||
48 | #define DRIVER_NAME "timberdale" | |
49 | ||
50 | struct timberdale_device { | |
51 | resource_size_t ctl_mapbase; | |
52 | unsigned char __iomem *ctl_membase; | |
53 | struct { | |
54 | u32 major; | |
55 | u32 minor; | |
56 | u32 config; | |
57 | } fw; | |
58 | }; | |
59 | ||
60 | /*--------------------------------------------------------------------------*/ | |
61 | ||
62 | static struct tsc2007_platform_data timberdale_tsc2007_platform_data = { | |
63 | .model = 2003, | |
64 | .x_plate_ohms = 100 | |
65 | }; | |
66 | ||
67 | static struct i2c_board_info timberdale_i2c_board_info[] = { | |
68 | { | |
69 | I2C_BOARD_INFO("tsc2007", 0x48), | |
70 | .platform_data = &timberdale_tsc2007_platform_data, | |
71 | .irq = IRQ_TIMBERDALE_TSC_INT | |
72 | }, | |
73 | }; | |
74 | ||
d84027bc RR |
75 | static __devinitdata struct xiic_i2c_platform_data |
76 | timberdale_xiic_platform_data = { | |
77 | .devices = timberdale_i2c_board_info, | |
78 | .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) | |
79 | }; | |
80 | ||
8edbede9 RR |
81 | static __devinitdata struct ocores_i2c_platform_data |
82 | timberdale_ocores_platform_data = { | |
83 | .regstep = 4, | |
84 | .clock_khz = 62500, | |
85 | .devices = timberdale_i2c_board_info, | |
86 | .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) | |
87 | }; | |
88 | ||
ae9f52f0 | 89 | static const __devinitconst struct resource timberdale_xiic_resources[] = { |
d84027bc RR |
90 | { |
91 | .start = XIICOFFSET, | |
92 | .end = XIICEND, | |
93 | .flags = IORESOURCE_MEM, | |
94 | }, | |
95 | { | |
96 | .start = IRQ_TIMBERDALE_I2C, | |
97 | .end = IRQ_TIMBERDALE_I2C, | |
98 | .flags = IORESOURCE_IRQ, | |
99 | }, | |
100 | }; | |
101 | ||
ae9f52f0 | 102 | static const __devinitconst struct resource timberdale_ocores_resources[] = { |
8edbede9 RR |
103 | { |
104 | .start = OCORESOFFSET, | |
105 | .end = OCORESEND, | |
106 | .flags = IORESOURCE_MEM, | |
107 | }, | |
108 | { | |
109 | .start = IRQ_TIMBERDALE_I2C, | |
110 | .end = IRQ_TIMBERDALE_I2C, | |
111 | .flags = IORESOURCE_IRQ, | |
112 | }, | |
113 | }; | |
114 | ||
115 | const struct max7301_platform_data timberdale_max7301_platform_data = { | |
116 | .base = 200 | |
117 | }; | |
118 | ||
119 | const struct mc33880_platform_data timberdale_mc33880_platform_data = { | |
120 | .base = 100 | |
121 | }; | |
122 | ||
123 | static struct spi_board_info timberdale_spi_16bit_board_info[] = { | |
124 | { | |
125 | .modalias = "max7301", | |
126 | .max_speed_hz = 26000, | |
127 | .chip_select = 2, | |
128 | .mode = SPI_MODE_0, | |
129 | .platform_data = &timberdale_max7301_platform_data | |
130 | }, | |
131 | }; | |
132 | ||
133 | static struct spi_board_info timberdale_spi_8bit_board_info[] = { | |
134 | { | |
135 | .modalias = "mc33880", | |
136 | .max_speed_hz = 4000, | |
137 | .chip_select = 1, | |
138 | .mode = SPI_MODE_1, | |
139 | .platform_data = &timberdale_mc33880_platform_data | |
140 | }, | |
141 | }; | |
142 | ||
143 | static __devinitdata struct xspi_platform_data timberdale_xspi_platform_data = { | |
144 | .num_chipselect = 3, | |
145 | .little_endian = true, | |
146 | /* bits per word and devices will be filled in runtime depending | |
147 | * on the HW config | |
148 | */ | |
149 | }; | |
150 | ||
ae9f52f0 | 151 | static const __devinitconst struct resource timberdale_spi_resources[] = { |
8edbede9 RR |
152 | { |
153 | .start = SPIOFFSET, | |
154 | .end = SPIEND, | |
155 | .flags = IORESOURCE_MEM, | |
156 | }, | |
157 | { | |
158 | .start = IRQ_TIMBERDALE_SPI, | |
159 | .end = IRQ_TIMBERDALE_SPI, | |
160 | .flags = IORESOURCE_IRQ, | |
161 | }, | |
162 | }; | |
163 | ||
ae9f52f0 | 164 | static const __devinitconst struct resource timberdale_eth_resources[] = { |
8edbede9 RR |
165 | { |
166 | .start = ETHOFFSET, | |
167 | .end = ETHEND, | |
168 | .flags = IORESOURCE_MEM, | |
169 | }, | |
170 | { | |
171 | .start = IRQ_TIMBERDALE_ETHSW_IF, | |
172 | .end = IRQ_TIMBERDALE_ETHSW_IF, | |
173 | .flags = IORESOURCE_IRQ, | |
174 | }, | |
175 | }; | |
176 | ||
177 | static __devinitdata struct timbgpio_platform_data | |
178 | timberdale_gpio_platform_data = { | |
179 | .gpio_base = 0, | |
180 | .nr_pins = GPIO_NR_PINS, | |
181 | .irq_base = 200, | |
182 | }; | |
183 | ||
ae9f52f0 | 184 | static const __devinitconst struct resource timberdale_gpio_resources[] = { |
8edbede9 RR |
185 | { |
186 | .start = GPIOOFFSET, | |
187 | .end = GPIOEND, | |
188 | .flags = IORESOURCE_MEM, | |
189 | }, | |
190 | { | |
191 | .start = IRQ_TIMBERDALE_GPIO, | |
192 | .end = IRQ_TIMBERDALE_GPIO, | |
193 | .flags = IORESOURCE_IRQ, | |
194 | }, | |
195 | }; | |
196 | ||
ae9f52f0 | 197 | static const __devinitconst struct resource timberdale_mlogicore_resources[] = { |
8edbede9 RR |
198 | { |
199 | .start = MLCOREOFFSET, | |
200 | .end = MLCOREEND, | |
201 | .flags = IORESOURCE_MEM, | |
202 | }, | |
203 | { | |
204 | .start = IRQ_TIMBERDALE_MLCORE, | |
205 | .end = IRQ_TIMBERDALE_MLCORE, | |
206 | .flags = IORESOURCE_IRQ, | |
207 | }, | |
208 | { | |
209 | .start = IRQ_TIMBERDALE_MLCORE_BUF, | |
210 | .end = IRQ_TIMBERDALE_MLCORE_BUF, | |
211 | .flags = IORESOURCE_IRQ, | |
212 | }, | |
213 | }; | |
214 | ||
ae9f52f0 | 215 | static const __devinitconst struct resource timberdale_uart_resources[] = { |
8edbede9 RR |
216 | { |
217 | .start = UARTOFFSET, | |
218 | .end = UARTEND, | |
219 | .flags = IORESOURCE_MEM, | |
220 | }, | |
221 | { | |
222 | .start = IRQ_TIMBERDALE_UART, | |
223 | .end = IRQ_TIMBERDALE_UART, | |
224 | .flags = IORESOURCE_IRQ, | |
225 | }, | |
226 | }; | |
227 | ||
ae9f52f0 | 228 | static const __devinitconst struct resource timberdale_uartlite_resources[] = { |
8edbede9 RR |
229 | { |
230 | .start = UARTLITEOFFSET, | |
231 | .end = UARTLITEEND, | |
232 | .flags = IORESOURCE_MEM, | |
233 | }, | |
234 | { | |
235 | .start = IRQ_TIMBERDALE_UARTLITE, | |
236 | .end = IRQ_TIMBERDALE_UARTLITE, | |
237 | .flags = IORESOURCE_IRQ, | |
238 | }, | |
239 | }; | |
240 | ||
ae9f52f0 | 241 | static const __devinitconst struct resource timberdale_radio_resources[] = { |
071193ff RR |
242 | { |
243 | .start = RDSOFFSET, | |
244 | .end = RDSEND, | |
245 | .flags = IORESOURCE_MEM, | |
246 | }, | |
247 | { | |
248 | .start = IRQ_TIMBERDALE_RDS, | |
249 | .end = IRQ_TIMBERDALE_RDS, | |
250 | .flags = IORESOURCE_IRQ, | |
251 | }, | |
252 | }; | |
253 | ||
254 | static __devinitdata struct i2c_board_info timberdale_tef6868_i2c_board_info = { | |
255 | I2C_BOARD_INFO("tef6862", 0x60) | |
256 | }; | |
257 | ||
258 | static __devinitdata struct i2c_board_info timberdale_saa7706_i2c_board_info = { | |
259 | I2C_BOARD_INFO("saa7706h", 0x1C) | |
260 | }; | |
261 | ||
262 | static __devinitdata struct timb_radio_platform_data | |
263 | timberdale_radio_platform_data = { | |
264 | .i2c_adapter = 0, | |
265 | .tuner = { | |
266 | .module_name = "tef6862", | |
267 | .info = &timberdale_tef6868_i2c_board_info | |
268 | }, | |
269 | .dsp = { | |
270 | .module_name = "saa7706h", | |
271 | .info = &timberdale_saa7706_i2c_board_info | |
272 | } | |
273 | }; | |
274 | ||
dc64f30f RR |
275 | static __devinitdata struct timb_dma_platform_data timb_dma_platform_data = { |
276 | .nr_channels = 10, | |
277 | .channels = { | |
278 | { | |
279 | /* UART RX */ | |
280 | .rx = true, | |
281 | .descriptors = 2, | |
282 | .descriptor_elements = 1 | |
283 | }, | |
284 | { | |
285 | /* UART TX */ | |
286 | .rx = false, | |
287 | .descriptors = 2, | |
288 | .descriptor_elements = 1 | |
289 | }, | |
290 | { | |
291 | /* MLB RX */ | |
292 | .rx = true, | |
293 | .descriptors = 2, | |
294 | .descriptor_elements = 1 | |
295 | }, | |
296 | { | |
297 | /* MLB TX */ | |
298 | .rx = false, | |
299 | .descriptors = 2, | |
300 | .descriptor_elements = 1 | |
301 | }, | |
302 | { | |
303 | /* Video RX */ | |
304 | .rx = true, | |
305 | .bytes_per_line = 1440, | |
306 | .descriptors = 2, | |
307 | .descriptor_elements = 16 | |
308 | }, | |
309 | { | |
310 | /* Video framedrop */ | |
311 | }, | |
312 | { | |
313 | /* SDHCI RX */ | |
314 | .rx = true, | |
315 | }, | |
316 | { | |
317 | /* SDHCI TX */ | |
318 | }, | |
319 | { | |
320 | /* ETH RX */ | |
321 | .rx = true, | |
322 | .descriptors = 2, | |
323 | .descriptor_elements = 1 | |
324 | }, | |
325 | { | |
326 | /* ETH TX */ | |
327 | .rx = false, | |
328 | .descriptors = 2, | |
329 | .descriptor_elements = 1 | |
330 | }, | |
331 | } | |
332 | }; | |
333 | ||
ae9f52f0 | 334 | static const __devinitconst struct resource timberdale_dma_resources[] = { |
8edbede9 RR |
335 | { |
336 | .start = DMAOFFSET, | |
337 | .end = DMAEND, | |
338 | .flags = IORESOURCE_MEM, | |
339 | }, | |
340 | { | |
341 | .start = IRQ_TIMBERDALE_DMA, | |
342 | .end = IRQ_TIMBERDALE_DMA, | |
343 | .flags = IORESOURCE_IRQ, | |
344 | }, | |
345 | }; | |
346 | ||
347 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = { | |
dc64f30f RR |
348 | { |
349 | .name = "timb-dma", | |
350 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
351 | .resources = timberdale_dma_resources, | |
352 | .platform_data = &timb_dma_platform_data, | |
353 | .data_size = sizeof(timb_dma_platform_data), | |
354 | }, | |
8edbede9 RR |
355 | { |
356 | .name = "timb-uart", | |
357 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
358 | .resources = timberdale_uart_resources, | |
359 | }, | |
d84027bc RR |
360 | { |
361 | .name = "xiic-i2c", | |
362 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
363 | .resources = timberdale_xiic_resources, | |
364 | .platform_data = &timberdale_xiic_platform_data, | |
365 | .data_size = sizeof(timberdale_xiic_platform_data), | |
366 | }, | |
8edbede9 RR |
367 | { |
368 | .name = "timb-gpio", | |
369 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
370 | .resources = timberdale_gpio_resources, | |
371 | .platform_data = &timberdale_gpio_platform_data, | |
372 | .data_size = sizeof(timberdale_gpio_platform_data), | |
373 | }, | |
071193ff RR |
374 | { |
375 | .name = "timb-radio", | |
376 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
377 | .resources = timberdale_radio_resources, | |
378 | .platform_data = &timberdale_radio_platform_data, | |
379 | .data_size = sizeof(timberdale_radio_platform_data), | |
380 | }, | |
8edbede9 RR |
381 | { |
382 | .name = "xilinx_spi", | |
383 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
384 | .resources = timberdale_spi_resources, | |
385 | .platform_data = &timberdale_xspi_platform_data, | |
386 | .data_size = sizeof(timberdale_xspi_platform_data), | |
387 | }, | |
388 | { | |
389 | .name = "ks8842", | |
390 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
391 | .resources = timberdale_eth_resources, | |
392 | }, | |
dc64f30f RR |
393 | }; |
394 | ||
395 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { | |
8edbede9 RR |
396 | { |
397 | .name = "timb-dma", | |
398 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
399 | .resources = timberdale_dma_resources, | |
dc64f30f RR |
400 | .platform_data = &timb_dma_platform_data, |
401 | .data_size = sizeof(timb_dma_platform_data), | |
8edbede9 | 402 | }, |
8edbede9 RR |
403 | { |
404 | .name = "timb-uart", | |
405 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
406 | .resources = timberdale_uart_resources, | |
407 | }, | |
408 | { | |
409 | .name = "uartlite", | |
410 | .num_resources = ARRAY_SIZE(timberdale_uartlite_resources), | |
411 | .resources = timberdale_uartlite_resources, | |
412 | }, | |
d84027bc RR |
413 | { |
414 | .name = "xiic-i2c", | |
415 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
416 | .resources = timberdale_xiic_resources, | |
417 | .platform_data = &timberdale_xiic_platform_data, | |
418 | .data_size = sizeof(timberdale_xiic_platform_data), | |
419 | }, | |
8edbede9 RR |
420 | { |
421 | .name = "timb-gpio", | |
422 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
423 | .resources = timberdale_gpio_resources, | |
424 | .platform_data = &timberdale_gpio_platform_data, | |
425 | .data_size = sizeof(timberdale_gpio_platform_data), | |
426 | }, | |
427 | { | |
428 | .name = "timb-mlogicore", | |
429 | .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources), | |
430 | .resources = timberdale_mlogicore_resources, | |
431 | }, | |
071193ff RR |
432 | { |
433 | .name = "timb-radio", | |
434 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
435 | .resources = timberdale_radio_resources, | |
436 | .platform_data = &timberdale_radio_platform_data, | |
437 | .data_size = sizeof(timberdale_radio_platform_data), | |
438 | }, | |
8edbede9 RR |
439 | { |
440 | .name = "xilinx_spi", | |
441 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
442 | .resources = timberdale_spi_resources, | |
443 | .platform_data = &timberdale_xspi_platform_data, | |
444 | .data_size = sizeof(timberdale_xspi_platform_data), | |
445 | }, | |
446 | { | |
447 | .name = "ks8842", | |
448 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
449 | .resources = timberdale_eth_resources, | |
450 | }, | |
dc64f30f RR |
451 | }; |
452 | ||
453 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { | |
8edbede9 RR |
454 | { |
455 | .name = "timb-dma", | |
456 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
457 | .resources = timberdale_dma_resources, | |
dc64f30f RR |
458 | .platform_data = &timb_dma_platform_data, |
459 | .data_size = sizeof(timb_dma_platform_data), | |
8edbede9 | 460 | }, |
8edbede9 RR |
461 | { |
462 | .name = "timb-uart", | |
463 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
464 | .resources = timberdale_uart_resources, | |
465 | }, | |
d84027bc RR |
466 | { |
467 | .name = "xiic-i2c", | |
468 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
469 | .resources = timberdale_xiic_resources, | |
470 | .platform_data = &timberdale_xiic_platform_data, | |
471 | .data_size = sizeof(timberdale_xiic_platform_data), | |
472 | }, | |
8edbede9 RR |
473 | { |
474 | .name = "timb-gpio", | |
475 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
476 | .resources = timberdale_gpio_resources, | |
477 | .platform_data = &timberdale_gpio_platform_data, | |
478 | .data_size = sizeof(timberdale_gpio_platform_data), | |
479 | }, | |
071193ff RR |
480 | { |
481 | .name = "timb-radio", | |
482 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
483 | .resources = timberdale_radio_resources, | |
484 | .platform_data = &timberdale_radio_platform_data, | |
485 | .data_size = sizeof(timberdale_radio_platform_data), | |
486 | }, | |
8edbede9 RR |
487 | { |
488 | .name = "xilinx_spi", | |
489 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
490 | .resources = timberdale_spi_resources, | |
491 | .platform_data = &timberdale_xspi_platform_data, | |
492 | .data_size = sizeof(timberdale_xspi_platform_data), | |
493 | }, | |
dc64f30f RR |
494 | }; |
495 | ||
496 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { | |
8edbede9 RR |
497 | { |
498 | .name = "timb-dma", | |
499 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
500 | .resources = timberdale_dma_resources, | |
dc64f30f RR |
501 | .platform_data = &timb_dma_platform_data, |
502 | .data_size = sizeof(timb_dma_platform_data), | |
8edbede9 | 503 | }, |
8edbede9 RR |
504 | { |
505 | .name = "timb-uart", | |
506 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
507 | .resources = timberdale_uart_resources, | |
508 | }, | |
509 | { | |
510 | .name = "ocores-i2c", | |
511 | .num_resources = ARRAY_SIZE(timberdale_ocores_resources), | |
512 | .resources = timberdale_ocores_resources, | |
513 | .platform_data = &timberdale_ocores_platform_data, | |
514 | .data_size = sizeof(timberdale_ocores_platform_data), | |
515 | }, | |
516 | { | |
517 | .name = "timb-gpio", | |
518 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
519 | .resources = timberdale_gpio_resources, | |
520 | .platform_data = &timberdale_gpio_platform_data, | |
521 | .data_size = sizeof(timberdale_gpio_platform_data), | |
522 | }, | |
071193ff RR |
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 | .data_size = sizeof(timberdale_radio_platform_data), | |
529 | }, | |
8edbede9 RR |
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 | .data_size = sizeof(timberdale_xspi_platform_data), | |
536 | }, | |
537 | { | |
538 | .name = "ks8842", | |
539 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
540 | .resources = timberdale_eth_resources, | |
541 | }, | |
8edbede9 RR |
542 | }; |
543 | ||
544 | static const __devinitconst struct resource timberdale_sdhc_resources[] = { | |
545 | /* located in bar 1 and bar 2 */ | |
546 | { | |
547 | .start = SDHC0OFFSET, | |
548 | .end = SDHC0END, | |
549 | .flags = IORESOURCE_MEM, | |
550 | }, | |
551 | { | |
552 | .start = IRQ_TIMBERDALE_SDHC, | |
553 | .end = IRQ_TIMBERDALE_SDHC, | |
554 | .flags = IORESOURCE_IRQ, | |
555 | }, | |
556 | }; | |
557 | ||
558 | static __devinitdata struct mfd_cell timberdale_cells_bar1[] = { | |
559 | { | |
560 | .name = "sdhci", | |
561 | .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), | |
562 | .resources = timberdale_sdhc_resources, | |
563 | }, | |
564 | }; | |
565 | ||
566 | static __devinitdata struct mfd_cell timberdale_cells_bar2[] = { | |
567 | { | |
568 | .name = "sdhci", | |
569 | .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), | |
570 | .resources = timberdale_sdhc_resources, | |
571 | }, | |
572 | }; | |
573 | ||
574 | static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, | |
575 | char *buf) | |
576 | { | |
577 | struct pci_dev *pdev = to_pci_dev(dev); | |
578 | struct timberdale_device *priv = pci_get_drvdata(pdev); | |
579 | ||
580 | return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor, | |
581 | priv->fw.config); | |
582 | } | |
583 | ||
584 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
585 | ||
586 | /*--------------------------------------------------------------------------*/ | |
587 | ||
588 | static int __devinit timb_probe(struct pci_dev *dev, | |
589 | const struct pci_device_id *id) | |
590 | { | |
591 | struct timberdale_device *priv; | |
592 | int err, i; | |
593 | resource_size_t mapbase; | |
594 | struct msix_entry *msix_entries = NULL; | |
595 | u8 ip_setup; | |
596 | ||
597 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
598 | if (!priv) | |
599 | return -ENOMEM; | |
600 | ||
601 | pci_set_drvdata(dev, priv); | |
602 | ||
603 | err = pci_enable_device(dev); | |
604 | if (err) | |
605 | goto err_enable; | |
606 | ||
607 | mapbase = pci_resource_start(dev, 0); | |
608 | if (!mapbase) { | |
609 | dev_err(&dev->dev, "No resource\n"); | |
610 | goto err_start; | |
611 | } | |
612 | ||
613 | /* create a resource for the PCI master register */ | |
614 | priv->ctl_mapbase = mapbase + CHIPCTLOFFSET; | |
615 | if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) { | |
616 | dev_err(&dev->dev, "Failed to request ctl mem\n"); | |
617 | goto err_request; | |
618 | } | |
619 | ||
620 | priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE); | |
621 | if (!priv->ctl_membase) { | |
622 | dev_err(&dev->dev, "ioremap failed for ctl mem\n"); | |
623 | goto err_ioremap; | |
624 | } | |
625 | ||
626 | /* read the HW config */ | |
627 | priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR); | |
628 | priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR); | |
629 | priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG); | |
630 | ||
631 | if (priv->fw.major > TIMB_SUPPORTED_MAJOR) { | |
632 | dev_err(&dev->dev, "The driver supports an older " | |
633 | "version of the FPGA, please update the driver to " | |
634 | "support %d.%d\n", priv->fw.major, priv->fw.minor); | |
635 | goto err_ioremap; | |
636 | } | |
637 | if (priv->fw.major < TIMB_SUPPORTED_MAJOR || | |
638 | priv->fw.minor < TIMB_REQUIRED_MINOR) { | |
639 | dev_err(&dev->dev, "The FPGA image is too old (%d.%d), " | |
640 | "please upgrade the FPGA to at least: %d.%d\n", | |
641 | priv->fw.major, priv->fw.minor, | |
642 | TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR); | |
643 | goto err_ioremap; | |
644 | } | |
645 | ||
646 | msix_entries = kzalloc(TIMBERDALE_NR_IRQS * sizeof(*msix_entries), | |
647 | GFP_KERNEL); | |
648 | if (!msix_entries) | |
649 | goto err_ioremap; | |
650 | ||
651 | for (i = 0; i < TIMBERDALE_NR_IRQS; i++) | |
652 | msix_entries[i].entry = i; | |
653 | ||
654 | err = pci_enable_msix(dev, msix_entries, TIMBERDALE_NR_IRQS); | |
655 | if (err) { | |
656 | dev_err(&dev->dev, | |
657 | "MSI-X init failed: %d, expected entries: %d\n", | |
658 | err, TIMBERDALE_NR_IRQS); | |
659 | goto err_msix; | |
660 | } | |
661 | ||
662 | err = device_create_file(&dev->dev, &dev_attr_fw_ver); | |
663 | if (err) | |
664 | goto err_create_file; | |
665 | ||
666 | /* Reset all FPGA PLB peripherals */ | |
667 | iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST); | |
668 | ||
669 | /* update IRQ offsets in I2C board info */ | |
670 | for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++) | |
671 | timberdale_i2c_board_info[i].irq = | |
672 | msix_entries[timberdale_i2c_board_info[i].irq].vector; | |
673 | ||
674 | /* Update the SPI configuration depending on the HW (8 or 16 bit) */ | |
675 | if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) { | |
676 | timberdale_xspi_platform_data.bits_per_word = 8; | |
677 | timberdale_xspi_platform_data.devices = | |
678 | timberdale_spi_8bit_board_info; | |
679 | timberdale_xspi_platform_data.num_devices = | |
680 | ARRAY_SIZE(timberdale_spi_8bit_board_info); | |
681 | } else { | |
682 | timberdale_xspi_platform_data.bits_per_word = 16; | |
683 | timberdale_xspi_platform_data.devices = | |
684 | timberdale_spi_16bit_board_info; | |
685 | timberdale_xspi_platform_data.num_devices = | |
686 | ARRAY_SIZE(timberdale_spi_16bit_board_info); | |
687 | } | |
688 | ||
689 | ip_setup = priv->fw.config & TIMB_HW_VER_MASK; | |
690 | switch (ip_setup) { | |
691 | case TIMB_HW_VER0: | |
692 | err = mfd_add_devices(&dev->dev, -1, | |
693 | timberdale_cells_bar0_cfg0, | |
694 | ARRAY_SIZE(timberdale_cells_bar0_cfg0), | |
695 | &dev->resource[0], msix_entries[0].vector); | |
696 | break; | |
697 | case TIMB_HW_VER1: | |
698 | err = mfd_add_devices(&dev->dev, -1, | |
699 | timberdale_cells_bar0_cfg1, | |
700 | ARRAY_SIZE(timberdale_cells_bar0_cfg1), | |
701 | &dev->resource[0], msix_entries[0].vector); | |
702 | break; | |
703 | case TIMB_HW_VER2: | |
704 | err = mfd_add_devices(&dev->dev, -1, | |
705 | timberdale_cells_bar0_cfg2, | |
706 | ARRAY_SIZE(timberdale_cells_bar0_cfg2), | |
707 | &dev->resource[0], msix_entries[0].vector); | |
708 | break; | |
709 | case TIMB_HW_VER3: | |
710 | err = mfd_add_devices(&dev->dev, -1, | |
711 | timberdale_cells_bar0_cfg3, | |
712 | ARRAY_SIZE(timberdale_cells_bar0_cfg3), | |
713 | &dev->resource[0], msix_entries[0].vector); | |
714 | break; | |
715 | default: | |
716 | dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n", | |
717 | priv->fw.major, priv->fw.minor, ip_setup); | |
718 | err = -ENODEV; | |
719 | goto err_mfd; | |
720 | break; | |
721 | } | |
722 | ||
723 | if (err) { | |
724 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
725 | goto err_mfd; | |
726 | } | |
727 | ||
728 | err = mfd_add_devices(&dev->dev, 0, | |
729 | timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1), | |
730 | &dev->resource[1], msix_entries[0].vector); | |
731 | if (err) { | |
732 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
733 | goto err_mfd2; | |
734 | } | |
735 | ||
736 | /* only version 0 and 3 have the iNand routed to SDHCI */ | |
737 | if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) || | |
738 | ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) { | |
739 | err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2, | |
740 | ARRAY_SIZE(timberdale_cells_bar2), | |
741 | &dev->resource[2], msix_entries[0].vector); | |
742 | if (err) { | |
743 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
744 | goto err_mfd2; | |
745 | } | |
746 | } | |
747 | ||
748 | kfree(msix_entries); | |
749 | ||
750 | dev_info(&dev->dev, | |
751 | "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n", | |
752 | priv->fw.major, priv->fw.minor, priv->fw.config); | |
753 | ||
754 | return 0; | |
755 | ||
756 | err_mfd2: | |
757 | mfd_remove_devices(&dev->dev); | |
758 | err_mfd: | |
759 | device_remove_file(&dev->dev, &dev_attr_fw_ver); | |
760 | err_create_file: | |
761 | pci_disable_msix(dev); | |
762 | err_msix: | |
763 | iounmap(priv->ctl_membase); | |
764 | err_ioremap: | |
765 | release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); | |
766 | err_request: | |
767 | pci_set_drvdata(dev, NULL); | |
768 | err_start: | |
769 | pci_disable_device(dev); | |
770 | err_enable: | |
771 | kfree(msix_entries); | |
772 | kfree(priv); | |
773 | pci_set_drvdata(dev, NULL); | |
774 | return -ENODEV; | |
775 | } | |
776 | ||
777 | static void __devexit timb_remove(struct pci_dev *dev) | |
778 | { | |
779 | struct timberdale_device *priv = pci_get_drvdata(dev); | |
780 | ||
781 | mfd_remove_devices(&dev->dev); | |
782 | ||
783 | device_remove_file(&dev->dev, &dev_attr_fw_ver); | |
784 | ||
785 | iounmap(priv->ctl_membase); | |
786 | release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); | |
787 | ||
788 | pci_disable_msix(dev); | |
789 | pci_disable_device(dev); | |
790 | pci_set_drvdata(dev, NULL); | |
791 | kfree(priv); | |
792 | } | |
793 | ||
794 | static struct pci_device_id timberdale_pci_tbl[] = { | |
795 | { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) }, | |
796 | { 0 } | |
797 | }; | |
798 | MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl); | |
799 | ||
800 | static struct pci_driver timberdale_pci_driver = { | |
801 | .name = DRIVER_NAME, | |
802 | .id_table = timberdale_pci_tbl, | |
803 | .probe = timb_probe, | |
804 | .remove = __devexit_p(timb_remove), | |
805 | }; | |
806 | ||
807 | static int __init timberdale_init(void) | |
808 | { | |
809 | int err; | |
810 | ||
811 | err = pci_register_driver(&timberdale_pci_driver); | |
812 | if (err < 0) { | |
813 | printk(KERN_ERR | |
814 | "Failed to register PCI driver for %s device.\n", | |
815 | timberdale_pci_driver.name); | |
816 | return -ENODEV; | |
817 | } | |
818 | ||
819 | printk(KERN_INFO "Driver for %s has been successfully registered.\n", | |
820 | timberdale_pci_driver.name); | |
821 | ||
822 | return 0; | |
823 | } | |
824 | ||
825 | static void __exit timberdale_exit(void) | |
826 | { | |
827 | pci_unregister_driver(&timberdale_pci_driver); | |
828 | ||
829 | printk(KERN_INFO "Driver for %s has been successfully unregistered.\n", | |
830 | timberdale_pci_driver.name); | |
831 | } | |
832 | ||
833 | module_init(timberdale_init); | |
834 | module_exit(timberdale_exit); | |
835 | ||
836 | MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>"); | |
837 | MODULE_VERSION(DRV_VERSION); | |
838 | MODULE_LICENSE("GPL v2"); |