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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 | ||
6901ffd9 RR |
46 | #include <linux/ks8842.h> |
47 | ||
8edbede9 RR |
48 | #include "timberdale.h" |
49 | ||
50 | #define DRIVER_NAME "timberdale" | |
51 | ||
52 | struct timberdale_device { | |
53 | resource_size_t ctl_mapbase; | |
54 | unsigned char __iomem *ctl_membase; | |
55 | struct { | |
56 | u32 major; | |
57 | u32 minor; | |
58 | u32 config; | |
59 | } fw; | |
60 | }; | |
61 | ||
62 | /*--------------------------------------------------------------------------*/ | |
63 | ||
64 | static struct tsc2007_platform_data timberdale_tsc2007_platform_data = { | |
65 | .model = 2003, | |
66 | .x_plate_ohms = 100 | |
67 | }; | |
68 | ||
69 | static struct i2c_board_info timberdale_i2c_board_info[] = { | |
70 | { | |
71 | I2C_BOARD_INFO("tsc2007", 0x48), | |
72 | .platform_data = &timberdale_tsc2007_platform_data, | |
73 | .irq = IRQ_TIMBERDALE_TSC_INT | |
74 | }, | |
75 | }; | |
76 | ||
d84027bc RR |
77 | static __devinitdata struct xiic_i2c_platform_data |
78 | timberdale_xiic_platform_data = { | |
79 | .devices = timberdale_i2c_board_info, | |
80 | .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) | |
81 | }; | |
82 | ||
8edbede9 RR |
83 | static __devinitdata struct ocores_i2c_platform_data |
84 | timberdale_ocores_platform_data = { | |
85 | .regstep = 4, | |
86 | .clock_khz = 62500, | |
87 | .devices = timberdale_i2c_board_info, | |
88 | .num_devices = ARRAY_SIZE(timberdale_i2c_board_info) | |
89 | }; | |
90 | ||
ae9f52f0 | 91 | static const __devinitconst struct resource timberdale_xiic_resources[] = { |
d84027bc RR |
92 | { |
93 | .start = XIICOFFSET, | |
94 | .end = XIICEND, | |
95 | .flags = IORESOURCE_MEM, | |
96 | }, | |
97 | { | |
98 | .start = IRQ_TIMBERDALE_I2C, | |
99 | .end = IRQ_TIMBERDALE_I2C, | |
100 | .flags = IORESOURCE_IRQ, | |
101 | }, | |
102 | }; | |
103 | ||
ae9f52f0 | 104 | static const __devinitconst struct resource timberdale_ocores_resources[] = { |
8edbede9 RR |
105 | { |
106 | .start = OCORESOFFSET, | |
107 | .end = OCORESEND, | |
108 | .flags = IORESOURCE_MEM, | |
109 | }, | |
110 | { | |
111 | .start = IRQ_TIMBERDALE_I2C, | |
112 | .end = IRQ_TIMBERDALE_I2C, | |
113 | .flags = IORESOURCE_IRQ, | |
114 | }, | |
115 | }; | |
116 | ||
117 | const struct max7301_platform_data timberdale_max7301_platform_data = { | |
118 | .base = 200 | |
119 | }; | |
120 | ||
121 | const struct mc33880_platform_data timberdale_mc33880_platform_data = { | |
122 | .base = 100 | |
123 | }; | |
124 | ||
125 | static struct spi_board_info timberdale_spi_16bit_board_info[] = { | |
126 | { | |
127 | .modalias = "max7301", | |
128 | .max_speed_hz = 26000, | |
129 | .chip_select = 2, | |
130 | .mode = SPI_MODE_0, | |
131 | .platform_data = &timberdale_max7301_platform_data | |
132 | }, | |
133 | }; | |
134 | ||
135 | static struct spi_board_info timberdale_spi_8bit_board_info[] = { | |
136 | { | |
137 | .modalias = "mc33880", | |
138 | .max_speed_hz = 4000, | |
139 | .chip_select = 1, | |
140 | .mode = SPI_MODE_1, | |
141 | .platform_data = &timberdale_mc33880_platform_data | |
142 | }, | |
143 | }; | |
144 | ||
145 | static __devinitdata struct xspi_platform_data timberdale_xspi_platform_data = { | |
146 | .num_chipselect = 3, | |
147 | .little_endian = true, | |
148 | /* bits per word and devices will be filled in runtime depending | |
149 | * on the HW config | |
150 | */ | |
151 | }; | |
152 | ||
ae9f52f0 | 153 | static const __devinitconst struct resource timberdale_spi_resources[] = { |
8edbede9 RR |
154 | { |
155 | .start = SPIOFFSET, | |
156 | .end = SPIEND, | |
157 | .flags = IORESOURCE_MEM, | |
158 | }, | |
159 | { | |
160 | .start = IRQ_TIMBERDALE_SPI, | |
161 | .end = IRQ_TIMBERDALE_SPI, | |
162 | .flags = IORESOURCE_IRQ, | |
163 | }, | |
164 | }; | |
165 | ||
6901ffd9 RR |
166 | static __devinitdata struct ks8842_platform_data |
167 | timberdale_ks8842_platform_data = { | |
168 | .rx_dma_channel = DMA_ETH_RX, | |
169 | .tx_dma_channel = DMA_ETH_TX | |
170 | }; | |
171 | ||
ae9f52f0 | 172 | static const __devinitconst struct resource timberdale_eth_resources[] = { |
8edbede9 RR |
173 | { |
174 | .start = ETHOFFSET, | |
175 | .end = ETHEND, | |
176 | .flags = IORESOURCE_MEM, | |
177 | }, | |
178 | { | |
179 | .start = IRQ_TIMBERDALE_ETHSW_IF, | |
180 | .end = IRQ_TIMBERDALE_ETHSW_IF, | |
181 | .flags = IORESOURCE_IRQ, | |
182 | }, | |
183 | }; | |
184 | ||
185 | static __devinitdata struct timbgpio_platform_data | |
186 | timberdale_gpio_platform_data = { | |
187 | .gpio_base = 0, | |
188 | .nr_pins = GPIO_NR_PINS, | |
189 | .irq_base = 200, | |
190 | }; | |
191 | ||
ae9f52f0 | 192 | static const __devinitconst struct resource timberdale_gpio_resources[] = { |
8edbede9 RR |
193 | { |
194 | .start = GPIOOFFSET, | |
195 | .end = GPIOEND, | |
196 | .flags = IORESOURCE_MEM, | |
197 | }, | |
198 | { | |
199 | .start = IRQ_TIMBERDALE_GPIO, | |
200 | .end = IRQ_TIMBERDALE_GPIO, | |
201 | .flags = IORESOURCE_IRQ, | |
202 | }, | |
203 | }; | |
204 | ||
ae9f52f0 | 205 | static const __devinitconst struct resource timberdale_mlogicore_resources[] = { |
8edbede9 RR |
206 | { |
207 | .start = MLCOREOFFSET, | |
208 | .end = MLCOREEND, | |
209 | .flags = IORESOURCE_MEM, | |
210 | }, | |
211 | { | |
212 | .start = IRQ_TIMBERDALE_MLCORE, | |
213 | .end = IRQ_TIMBERDALE_MLCORE, | |
214 | .flags = IORESOURCE_IRQ, | |
215 | }, | |
216 | { | |
217 | .start = IRQ_TIMBERDALE_MLCORE_BUF, | |
218 | .end = IRQ_TIMBERDALE_MLCORE_BUF, | |
219 | .flags = IORESOURCE_IRQ, | |
220 | }, | |
221 | }; | |
222 | ||
ae9f52f0 | 223 | static const __devinitconst struct resource timberdale_uart_resources[] = { |
8edbede9 RR |
224 | { |
225 | .start = UARTOFFSET, | |
226 | .end = UARTEND, | |
227 | .flags = IORESOURCE_MEM, | |
228 | }, | |
229 | { | |
230 | .start = IRQ_TIMBERDALE_UART, | |
231 | .end = IRQ_TIMBERDALE_UART, | |
232 | .flags = IORESOURCE_IRQ, | |
233 | }, | |
234 | }; | |
235 | ||
ae9f52f0 | 236 | static const __devinitconst struct resource timberdale_uartlite_resources[] = { |
8edbede9 RR |
237 | { |
238 | .start = UARTLITEOFFSET, | |
239 | .end = UARTLITEEND, | |
240 | .flags = IORESOURCE_MEM, | |
241 | }, | |
242 | { | |
243 | .start = IRQ_TIMBERDALE_UARTLITE, | |
244 | .end = IRQ_TIMBERDALE_UARTLITE, | |
245 | .flags = IORESOURCE_IRQ, | |
246 | }, | |
247 | }; | |
248 | ||
ae9f52f0 | 249 | static const __devinitconst struct resource timberdale_radio_resources[] = { |
071193ff RR |
250 | { |
251 | .start = RDSOFFSET, | |
252 | .end = RDSEND, | |
253 | .flags = IORESOURCE_MEM, | |
254 | }, | |
255 | { | |
256 | .start = IRQ_TIMBERDALE_RDS, | |
257 | .end = IRQ_TIMBERDALE_RDS, | |
258 | .flags = IORESOURCE_IRQ, | |
259 | }, | |
260 | }; | |
261 | ||
262 | static __devinitdata struct i2c_board_info timberdale_tef6868_i2c_board_info = { | |
263 | I2C_BOARD_INFO("tef6862", 0x60) | |
264 | }; | |
265 | ||
266 | static __devinitdata struct i2c_board_info timberdale_saa7706_i2c_board_info = { | |
267 | I2C_BOARD_INFO("saa7706h", 0x1C) | |
268 | }; | |
269 | ||
270 | static __devinitdata struct timb_radio_platform_data | |
271 | timberdale_radio_platform_data = { | |
272 | .i2c_adapter = 0, | |
273 | .tuner = { | |
274 | .module_name = "tef6862", | |
275 | .info = &timberdale_tef6868_i2c_board_info | |
276 | }, | |
277 | .dsp = { | |
278 | .module_name = "saa7706h", | |
279 | .info = &timberdale_saa7706_i2c_board_info | |
280 | } | |
281 | }; | |
282 | ||
dc64f30f RR |
283 | static __devinitdata struct timb_dma_platform_data timb_dma_platform_data = { |
284 | .nr_channels = 10, | |
285 | .channels = { | |
286 | { | |
287 | /* UART RX */ | |
288 | .rx = true, | |
289 | .descriptors = 2, | |
290 | .descriptor_elements = 1 | |
291 | }, | |
292 | { | |
293 | /* UART TX */ | |
294 | .rx = false, | |
295 | .descriptors = 2, | |
296 | .descriptor_elements = 1 | |
297 | }, | |
298 | { | |
299 | /* MLB RX */ | |
300 | .rx = true, | |
301 | .descriptors = 2, | |
302 | .descriptor_elements = 1 | |
303 | }, | |
304 | { | |
305 | /* MLB TX */ | |
306 | .rx = false, | |
307 | .descriptors = 2, | |
308 | .descriptor_elements = 1 | |
309 | }, | |
310 | { | |
311 | /* Video RX */ | |
312 | .rx = true, | |
313 | .bytes_per_line = 1440, | |
314 | .descriptors = 2, | |
315 | .descriptor_elements = 16 | |
316 | }, | |
317 | { | |
318 | /* Video framedrop */ | |
319 | }, | |
320 | { | |
321 | /* SDHCI RX */ | |
322 | .rx = true, | |
323 | }, | |
324 | { | |
325 | /* SDHCI TX */ | |
326 | }, | |
327 | { | |
328 | /* ETH RX */ | |
329 | .rx = true, | |
330 | .descriptors = 2, | |
331 | .descriptor_elements = 1 | |
332 | }, | |
333 | { | |
334 | /* ETH TX */ | |
335 | .rx = false, | |
336 | .descriptors = 2, | |
337 | .descriptor_elements = 1 | |
338 | }, | |
339 | } | |
340 | }; | |
341 | ||
ae9f52f0 | 342 | static const __devinitconst struct resource timberdale_dma_resources[] = { |
8edbede9 RR |
343 | { |
344 | .start = DMAOFFSET, | |
345 | .end = DMAEND, | |
346 | .flags = IORESOURCE_MEM, | |
347 | }, | |
348 | { | |
349 | .start = IRQ_TIMBERDALE_DMA, | |
350 | .end = IRQ_TIMBERDALE_DMA, | |
351 | .flags = IORESOURCE_IRQ, | |
352 | }, | |
353 | }; | |
354 | ||
355 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = { | |
dc64f30f RR |
356 | { |
357 | .name = "timb-dma", | |
358 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
359 | .resources = timberdale_dma_resources, | |
360 | .platform_data = &timb_dma_platform_data, | |
361 | .data_size = sizeof(timb_dma_platform_data), | |
362 | }, | |
8edbede9 RR |
363 | { |
364 | .name = "timb-uart", | |
365 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
366 | .resources = timberdale_uart_resources, | |
367 | }, | |
d84027bc RR |
368 | { |
369 | .name = "xiic-i2c", | |
370 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
371 | .resources = timberdale_xiic_resources, | |
372 | .platform_data = &timberdale_xiic_platform_data, | |
373 | .data_size = sizeof(timberdale_xiic_platform_data), | |
374 | }, | |
8edbede9 RR |
375 | { |
376 | .name = "timb-gpio", | |
377 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
378 | .resources = timberdale_gpio_resources, | |
379 | .platform_data = &timberdale_gpio_platform_data, | |
380 | .data_size = sizeof(timberdale_gpio_platform_data), | |
381 | }, | |
071193ff RR |
382 | { |
383 | .name = "timb-radio", | |
384 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
385 | .resources = timberdale_radio_resources, | |
386 | .platform_data = &timberdale_radio_platform_data, | |
387 | .data_size = sizeof(timberdale_radio_platform_data), | |
388 | }, | |
8edbede9 RR |
389 | { |
390 | .name = "xilinx_spi", | |
391 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
392 | .resources = timberdale_spi_resources, | |
393 | .platform_data = &timberdale_xspi_platform_data, | |
394 | .data_size = sizeof(timberdale_xspi_platform_data), | |
395 | }, | |
396 | { | |
397 | .name = "ks8842", | |
398 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
399 | .resources = timberdale_eth_resources, | |
6901ffd9 RR |
400 | .platform_data = &timberdale_ks8842_platform_data, |
401 | .data_size = sizeof(timberdale_ks8842_platform_data) | |
8edbede9 | 402 | }, |
dc64f30f RR |
403 | }; |
404 | ||
405 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { | |
8edbede9 RR |
406 | { |
407 | .name = "timb-dma", | |
408 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
409 | .resources = timberdale_dma_resources, | |
dc64f30f RR |
410 | .platform_data = &timb_dma_platform_data, |
411 | .data_size = sizeof(timb_dma_platform_data), | |
8edbede9 | 412 | }, |
8edbede9 RR |
413 | { |
414 | .name = "timb-uart", | |
415 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
416 | .resources = timberdale_uart_resources, | |
417 | }, | |
418 | { | |
419 | .name = "uartlite", | |
420 | .num_resources = ARRAY_SIZE(timberdale_uartlite_resources), | |
421 | .resources = timberdale_uartlite_resources, | |
422 | }, | |
d84027bc RR |
423 | { |
424 | .name = "xiic-i2c", | |
425 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
426 | .resources = timberdale_xiic_resources, | |
427 | .platform_data = &timberdale_xiic_platform_data, | |
428 | .data_size = sizeof(timberdale_xiic_platform_data), | |
429 | }, | |
8edbede9 RR |
430 | { |
431 | .name = "timb-gpio", | |
432 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
433 | .resources = timberdale_gpio_resources, | |
434 | .platform_data = &timberdale_gpio_platform_data, | |
435 | .data_size = sizeof(timberdale_gpio_platform_data), | |
436 | }, | |
437 | { | |
438 | .name = "timb-mlogicore", | |
439 | .num_resources = ARRAY_SIZE(timberdale_mlogicore_resources), | |
440 | .resources = timberdale_mlogicore_resources, | |
441 | }, | |
071193ff RR |
442 | { |
443 | .name = "timb-radio", | |
444 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
445 | .resources = timberdale_radio_resources, | |
446 | .platform_data = &timberdale_radio_platform_data, | |
447 | .data_size = sizeof(timberdale_radio_platform_data), | |
448 | }, | |
8edbede9 RR |
449 | { |
450 | .name = "xilinx_spi", | |
451 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
452 | .resources = timberdale_spi_resources, | |
453 | .platform_data = &timberdale_xspi_platform_data, | |
454 | .data_size = sizeof(timberdale_xspi_platform_data), | |
455 | }, | |
456 | { | |
457 | .name = "ks8842", | |
458 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
459 | .resources = timberdale_eth_resources, | |
6901ffd9 RR |
460 | .platform_data = &timberdale_ks8842_platform_data, |
461 | .data_size = sizeof(timberdale_ks8842_platform_data) | |
8edbede9 | 462 | }, |
dc64f30f RR |
463 | }; |
464 | ||
465 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { | |
8edbede9 RR |
466 | { |
467 | .name = "timb-dma", | |
468 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
469 | .resources = timberdale_dma_resources, | |
dc64f30f RR |
470 | .platform_data = &timb_dma_platform_data, |
471 | .data_size = sizeof(timb_dma_platform_data), | |
8edbede9 | 472 | }, |
8edbede9 RR |
473 | { |
474 | .name = "timb-uart", | |
475 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
476 | .resources = timberdale_uart_resources, | |
477 | }, | |
d84027bc RR |
478 | { |
479 | .name = "xiic-i2c", | |
480 | .num_resources = ARRAY_SIZE(timberdale_xiic_resources), | |
481 | .resources = timberdale_xiic_resources, | |
482 | .platform_data = &timberdale_xiic_platform_data, | |
483 | .data_size = sizeof(timberdale_xiic_platform_data), | |
484 | }, | |
8edbede9 RR |
485 | { |
486 | .name = "timb-gpio", | |
487 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
488 | .resources = timberdale_gpio_resources, | |
489 | .platform_data = &timberdale_gpio_platform_data, | |
490 | .data_size = sizeof(timberdale_gpio_platform_data), | |
491 | }, | |
071193ff RR |
492 | { |
493 | .name = "timb-radio", | |
494 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
495 | .resources = timberdale_radio_resources, | |
496 | .platform_data = &timberdale_radio_platform_data, | |
497 | .data_size = sizeof(timberdale_radio_platform_data), | |
498 | }, | |
8edbede9 RR |
499 | { |
500 | .name = "xilinx_spi", | |
501 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
502 | .resources = timberdale_spi_resources, | |
503 | .platform_data = &timberdale_xspi_platform_data, | |
504 | .data_size = sizeof(timberdale_xspi_platform_data), | |
505 | }, | |
dc64f30f RR |
506 | }; |
507 | ||
508 | static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { | |
8edbede9 RR |
509 | { |
510 | .name = "timb-dma", | |
511 | .num_resources = ARRAY_SIZE(timberdale_dma_resources), | |
512 | .resources = timberdale_dma_resources, | |
dc64f30f RR |
513 | .platform_data = &timb_dma_platform_data, |
514 | .data_size = sizeof(timb_dma_platform_data), | |
8edbede9 | 515 | }, |
8edbede9 RR |
516 | { |
517 | .name = "timb-uart", | |
518 | .num_resources = ARRAY_SIZE(timberdale_uart_resources), | |
519 | .resources = timberdale_uart_resources, | |
520 | }, | |
521 | { | |
522 | .name = "ocores-i2c", | |
523 | .num_resources = ARRAY_SIZE(timberdale_ocores_resources), | |
524 | .resources = timberdale_ocores_resources, | |
525 | .platform_data = &timberdale_ocores_platform_data, | |
526 | .data_size = sizeof(timberdale_ocores_platform_data), | |
527 | }, | |
528 | { | |
529 | .name = "timb-gpio", | |
530 | .num_resources = ARRAY_SIZE(timberdale_gpio_resources), | |
531 | .resources = timberdale_gpio_resources, | |
532 | .platform_data = &timberdale_gpio_platform_data, | |
533 | .data_size = sizeof(timberdale_gpio_platform_data), | |
534 | }, | |
071193ff RR |
535 | { |
536 | .name = "timb-radio", | |
537 | .num_resources = ARRAY_SIZE(timberdale_radio_resources), | |
538 | .resources = timberdale_radio_resources, | |
539 | .platform_data = &timberdale_radio_platform_data, | |
540 | .data_size = sizeof(timberdale_radio_platform_data), | |
541 | }, | |
8edbede9 RR |
542 | { |
543 | .name = "xilinx_spi", | |
544 | .num_resources = ARRAY_SIZE(timberdale_spi_resources), | |
545 | .resources = timberdale_spi_resources, | |
546 | .platform_data = &timberdale_xspi_platform_data, | |
547 | .data_size = sizeof(timberdale_xspi_platform_data), | |
548 | }, | |
549 | { | |
550 | .name = "ks8842", | |
551 | .num_resources = ARRAY_SIZE(timberdale_eth_resources), | |
552 | .resources = timberdale_eth_resources, | |
6901ffd9 RR |
553 | .platform_data = &timberdale_ks8842_platform_data, |
554 | .data_size = sizeof(timberdale_ks8842_platform_data) | |
8edbede9 | 555 | }, |
8edbede9 RR |
556 | }; |
557 | ||
558 | static const __devinitconst struct resource timberdale_sdhc_resources[] = { | |
559 | /* located in bar 1 and bar 2 */ | |
560 | { | |
561 | .start = SDHC0OFFSET, | |
562 | .end = SDHC0END, | |
563 | .flags = IORESOURCE_MEM, | |
564 | }, | |
565 | { | |
566 | .start = IRQ_TIMBERDALE_SDHC, | |
567 | .end = IRQ_TIMBERDALE_SDHC, | |
568 | .flags = IORESOURCE_IRQ, | |
569 | }, | |
570 | }; | |
571 | ||
572 | static __devinitdata struct mfd_cell timberdale_cells_bar1[] = { | |
573 | { | |
574 | .name = "sdhci", | |
575 | .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), | |
576 | .resources = timberdale_sdhc_resources, | |
577 | }, | |
578 | }; | |
579 | ||
580 | static __devinitdata struct mfd_cell timberdale_cells_bar2[] = { | |
581 | { | |
582 | .name = "sdhci", | |
583 | .num_resources = ARRAY_SIZE(timberdale_sdhc_resources), | |
584 | .resources = timberdale_sdhc_resources, | |
585 | }, | |
586 | }; | |
587 | ||
588 | static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, | |
589 | char *buf) | |
590 | { | |
591 | struct pci_dev *pdev = to_pci_dev(dev); | |
592 | struct timberdale_device *priv = pci_get_drvdata(pdev); | |
593 | ||
594 | return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor, | |
595 | priv->fw.config); | |
596 | } | |
597 | ||
598 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
599 | ||
600 | /*--------------------------------------------------------------------------*/ | |
601 | ||
602 | static int __devinit timb_probe(struct pci_dev *dev, | |
603 | const struct pci_device_id *id) | |
604 | { | |
605 | struct timberdale_device *priv; | |
606 | int err, i; | |
607 | resource_size_t mapbase; | |
608 | struct msix_entry *msix_entries = NULL; | |
609 | u8 ip_setup; | |
610 | ||
611 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
612 | if (!priv) | |
613 | return -ENOMEM; | |
614 | ||
615 | pci_set_drvdata(dev, priv); | |
616 | ||
617 | err = pci_enable_device(dev); | |
618 | if (err) | |
619 | goto err_enable; | |
620 | ||
621 | mapbase = pci_resource_start(dev, 0); | |
622 | if (!mapbase) { | |
623 | dev_err(&dev->dev, "No resource\n"); | |
624 | goto err_start; | |
625 | } | |
626 | ||
627 | /* create a resource for the PCI master register */ | |
628 | priv->ctl_mapbase = mapbase + CHIPCTLOFFSET; | |
629 | if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) { | |
630 | dev_err(&dev->dev, "Failed to request ctl mem\n"); | |
631 | goto err_request; | |
632 | } | |
633 | ||
634 | priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE); | |
635 | if (!priv->ctl_membase) { | |
636 | dev_err(&dev->dev, "ioremap failed for ctl mem\n"); | |
637 | goto err_ioremap; | |
638 | } | |
639 | ||
640 | /* read the HW config */ | |
641 | priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR); | |
642 | priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR); | |
643 | priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG); | |
644 | ||
645 | if (priv->fw.major > TIMB_SUPPORTED_MAJOR) { | |
646 | dev_err(&dev->dev, "The driver supports an older " | |
647 | "version of the FPGA, please update the driver to " | |
648 | "support %d.%d\n", priv->fw.major, priv->fw.minor); | |
649 | goto err_ioremap; | |
650 | } | |
651 | if (priv->fw.major < TIMB_SUPPORTED_MAJOR || | |
652 | priv->fw.minor < TIMB_REQUIRED_MINOR) { | |
653 | dev_err(&dev->dev, "The FPGA image is too old (%d.%d), " | |
654 | "please upgrade the FPGA to at least: %d.%d\n", | |
655 | priv->fw.major, priv->fw.minor, | |
656 | TIMB_SUPPORTED_MAJOR, TIMB_REQUIRED_MINOR); | |
657 | goto err_ioremap; | |
658 | } | |
659 | ||
660 | msix_entries = kzalloc(TIMBERDALE_NR_IRQS * sizeof(*msix_entries), | |
661 | GFP_KERNEL); | |
662 | if (!msix_entries) | |
663 | goto err_ioremap; | |
664 | ||
665 | for (i = 0; i < TIMBERDALE_NR_IRQS; i++) | |
666 | msix_entries[i].entry = i; | |
667 | ||
668 | err = pci_enable_msix(dev, msix_entries, TIMBERDALE_NR_IRQS); | |
669 | if (err) { | |
670 | dev_err(&dev->dev, | |
671 | "MSI-X init failed: %d, expected entries: %d\n", | |
672 | err, TIMBERDALE_NR_IRQS); | |
673 | goto err_msix; | |
674 | } | |
675 | ||
676 | err = device_create_file(&dev->dev, &dev_attr_fw_ver); | |
677 | if (err) | |
678 | goto err_create_file; | |
679 | ||
680 | /* Reset all FPGA PLB peripherals */ | |
681 | iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST); | |
682 | ||
683 | /* update IRQ offsets in I2C board info */ | |
684 | for (i = 0; i < ARRAY_SIZE(timberdale_i2c_board_info); i++) | |
685 | timberdale_i2c_board_info[i].irq = | |
686 | msix_entries[timberdale_i2c_board_info[i].irq].vector; | |
687 | ||
688 | /* Update the SPI configuration depending on the HW (8 or 16 bit) */ | |
689 | if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) { | |
690 | timberdale_xspi_platform_data.bits_per_word = 8; | |
691 | timberdale_xspi_platform_data.devices = | |
692 | timberdale_spi_8bit_board_info; | |
693 | timberdale_xspi_platform_data.num_devices = | |
694 | ARRAY_SIZE(timberdale_spi_8bit_board_info); | |
695 | } else { | |
696 | timberdale_xspi_platform_data.bits_per_word = 16; | |
697 | timberdale_xspi_platform_data.devices = | |
698 | timberdale_spi_16bit_board_info; | |
699 | timberdale_xspi_platform_data.num_devices = | |
700 | ARRAY_SIZE(timberdale_spi_16bit_board_info); | |
701 | } | |
702 | ||
703 | ip_setup = priv->fw.config & TIMB_HW_VER_MASK; | |
704 | switch (ip_setup) { | |
705 | case TIMB_HW_VER0: | |
706 | err = mfd_add_devices(&dev->dev, -1, | |
707 | timberdale_cells_bar0_cfg0, | |
708 | ARRAY_SIZE(timberdale_cells_bar0_cfg0), | |
709 | &dev->resource[0], msix_entries[0].vector); | |
710 | break; | |
711 | case TIMB_HW_VER1: | |
712 | err = mfd_add_devices(&dev->dev, -1, | |
713 | timberdale_cells_bar0_cfg1, | |
714 | ARRAY_SIZE(timberdale_cells_bar0_cfg1), | |
715 | &dev->resource[0], msix_entries[0].vector); | |
716 | break; | |
717 | case TIMB_HW_VER2: | |
718 | err = mfd_add_devices(&dev->dev, -1, | |
719 | timberdale_cells_bar0_cfg2, | |
720 | ARRAY_SIZE(timberdale_cells_bar0_cfg2), | |
721 | &dev->resource[0], msix_entries[0].vector); | |
722 | break; | |
723 | case TIMB_HW_VER3: | |
724 | err = mfd_add_devices(&dev->dev, -1, | |
725 | timberdale_cells_bar0_cfg3, | |
726 | ARRAY_SIZE(timberdale_cells_bar0_cfg3), | |
727 | &dev->resource[0], msix_entries[0].vector); | |
728 | break; | |
729 | default: | |
730 | dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n", | |
731 | priv->fw.major, priv->fw.minor, ip_setup); | |
732 | err = -ENODEV; | |
733 | goto err_mfd; | |
734 | break; | |
735 | } | |
736 | ||
737 | if (err) { | |
738 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
739 | goto err_mfd; | |
740 | } | |
741 | ||
742 | err = mfd_add_devices(&dev->dev, 0, | |
743 | timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1), | |
744 | &dev->resource[1], msix_entries[0].vector); | |
745 | if (err) { | |
746 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
747 | goto err_mfd2; | |
748 | } | |
749 | ||
750 | /* only version 0 and 3 have the iNand routed to SDHCI */ | |
751 | if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) || | |
752 | ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) { | |
753 | err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2, | |
754 | ARRAY_SIZE(timberdale_cells_bar2), | |
755 | &dev->resource[2], msix_entries[0].vector); | |
756 | if (err) { | |
757 | dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); | |
758 | goto err_mfd2; | |
759 | } | |
760 | } | |
761 | ||
762 | kfree(msix_entries); | |
763 | ||
764 | dev_info(&dev->dev, | |
765 | "Found Timberdale Card. Rev: %d.%d, HW config: 0x%02x\n", | |
766 | priv->fw.major, priv->fw.minor, priv->fw.config); | |
767 | ||
768 | return 0; | |
769 | ||
770 | err_mfd2: | |
771 | mfd_remove_devices(&dev->dev); | |
772 | err_mfd: | |
773 | device_remove_file(&dev->dev, &dev_attr_fw_ver); | |
774 | err_create_file: | |
775 | pci_disable_msix(dev); | |
776 | err_msix: | |
777 | iounmap(priv->ctl_membase); | |
778 | err_ioremap: | |
779 | release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); | |
780 | err_request: | |
781 | pci_set_drvdata(dev, NULL); | |
782 | err_start: | |
783 | pci_disable_device(dev); | |
784 | err_enable: | |
785 | kfree(msix_entries); | |
786 | kfree(priv); | |
787 | pci_set_drvdata(dev, NULL); | |
788 | return -ENODEV; | |
789 | } | |
790 | ||
791 | static void __devexit timb_remove(struct pci_dev *dev) | |
792 | { | |
793 | struct timberdale_device *priv = pci_get_drvdata(dev); | |
794 | ||
795 | mfd_remove_devices(&dev->dev); | |
796 | ||
797 | device_remove_file(&dev->dev, &dev_attr_fw_ver); | |
798 | ||
799 | iounmap(priv->ctl_membase); | |
800 | release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE); | |
801 | ||
802 | pci_disable_msix(dev); | |
803 | pci_disable_device(dev); | |
804 | pci_set_drvdata(dev, NULL); | |
805 | kfree(priv); | |
806 | } | |
807 | ||
808 | static struct pci_device_id timberdale_pci_tbl[] = { | |
809 | { PCI_DEVICE(PCI_VENDOR_ID_TIMB, PCI_DEVICE_ID_TIMB) }, | |
810 | { 0 } | |
811 | }; | |
812 | MODULE_DEVICE_TABLE(pci, timberdale_pci_tbl); | |
813 | ||
814 | static struct pci_driver timberdale_pci_driver = { | |
815 | .name = DRIVER_NAME, | |
816 | .id_table = timberdale_pci_tbl, | |
817 | .probe = timb_probe, | |
818 | .remove = __devexit_p(timb_remove), | |
819 | }; | |
820 | ||
821 | static int __init timberdale_init(void) | |
822 | { | |
823 | int err; | |
824 | ||
825 | err = pci_register_driver(&timberdale_pci_driver); | |
826 | if (err < 0) { | |
827 | printk(KERN_ERR | |
828 | "Failed to register PCI driver for %s device.\n", | |
829 | timberdale_pci_driver.name); | |
830 | return -ENODEV; | |
831 | } | |
832 | ||
833 | printk(KERN_INFO "Driver for %s has been successfully registered.\n", | |
834 | timberdale_pci_driver.name); | |
835 | ||
836 | return 0; | |
837 | } | |
838 | ||
839 | static void __exit timberdale_exit(void) | |
840 | { | |
841 | pci_unregister_driver(&timberdale_pci_driver); | |
842 | ||
843 | printk(KERN_INFO "Driver for %s has been successfully unregistered.\n", | |
844 | timberdale_pci_driver.name); | |
845 | } | |
846 | ||
847 | module_init(timberdale_init); | |
848 | module_exit(timberdale_exit); | |
849 | ||
850 | MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>"); | |
851 | MODULE_VERSION(DRV_VERSION); | |
852 | MODULE_LICENSE("GPL v2"); |