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b8c86fc5 PO |
1 | /* linux/drivers/mmc/host/sdhci-pci.c - SDHCI on PCI bus interface |
2 | * | |
3 | * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved. | |
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 as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or (at | |
8 | * your option) any later version. | |
9 | * | |
10 | * Thanks to the following companies for their support: | |
11 | * | |
12 | * - JMicron (hardware and technical support) | |
13 | */ | |
14 | ||
15 | #include <linux/delay.h> | |
16 | #include <linux/highmem.h> | |
17 | #include <linux/pci.h> | |
18 | #include <linux/dma-mapping.h> | |
5a0e3ad6 | 19 | #include <linux/slab.h> |
ccc92c23 | 20 | #include <linux/device.h> |
b8c86fc5 | 21 | #include <linux/mmc/host.h> |
b177bc91 AP |
22 | #include <linux/scatterlist.h> |
23 | #include <linux/io.h> | |
b8c86fc5 PO |
24 | |
25 | #include "sdhci.h" | |
26 | ||
27 | /* | |
28 | * PCI registers | |
29 | */ | |
30 | ||
31 | #define PCI_SDHCI_IFPIO 0x00 | |
32 | #define PCI_SDHCI_IFDMA 0x01 | |
33 | #define PCI_SDHCI_IFVENDOR 0x02 | |
34 | ||
35 | #define PCI_SLOT_INFO 0x40 /* 8 bits */ | |
36 | #define PCI_SLOT_INFO_SLOTS(x) ((x >> 4) & 7) | |
37 | #define PCI_SLOT_INFO_FIRST_BAR_MASK 0x07 | |
38 | ||
39 | #define MAX_SLOTS 8 | |
40 | ||
22606405 | 41 | struct sdhci_pci_chip; |
4489428a | 42 | struct sdhci_pci_slot; |
22606405 PO |
43 | |
44 | struct sdhci_pci_fixes { | |
45 | unsigned int quirks; | |
46 | ||
b177bc91 | 47 | int (*probe) (struct sdhci_pci_chip *); |
45211e21 | 48 | |
b177bc91 AP |
49 | int (*probe_slot) (struct sdhci_pci_slot *); |
50 | void (*remove_slot) (struct sdhci_pci_slot *, int); | |
4489428a | 51 | |
b177bc91 | 52 | int (*suspend) (struct sdhci_pci_chip *, |
4489428a | 53 | pm_message_t); |
b177bc91 | 54 | int (*resume) (struct sdhci_pci_chip *); |
22606405 PO |
55 | }; |
56 | ||
57 | struct sdhci_pci_slot { | |
58 | struct sdhci_pci_chip *chip; | |
59 | struct sdhci_host *host; | |
b8c86fc5 | 60 | |
22606405 PO |
61 | int pci_bar; |
62 | }; | |
63 | ||
64 | struct sdhci_pci_chip { | |
65 | struct pci_dev *pdev; | |
66 | ||
67 | unsigned int quirks; | |
68 | const struct sdhci_pci_fixes *fixes; | |
69 | ||
70 | int num_slots; /* Slots on controller */ | |
71 | struct sdhci_pci_slot *slots[MAX_SLOTS]; /* Pointers to host slots */ | |
72 | }; | |
73 | ||
74 | ||
75 | /*****************************************************************************\ | |
76 | * * | |
77 | * Hardware specific quirk handling * | |
78 | * * | |
79 | \*****************************************************************************/ | |
80 | ||
81 | static int ricoh_probe(struct sdhci_pci_chip *chip) | |
82 | { | |
c99436fb CB |
83 | if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG || |
84 | chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY) | |
22606405 | 85 | chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET; |
ccc92c23 ML |
86 | return 0; |
87 | } | |
88 | ||
89 | static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot) | |
90 | { | |
91 | slot->host->caps = | |
92 | ((0x21 << SDHCI_TIMEOUT_CLK_SHIFT) | |
93 | & SDHCI_TIMEOUT_CLK_MASK) | | |
22606405 | 94 | |
ccc92c23 ML |
95 | ((0x21 << SDHCI_CLOCK_BASE_SHIFT) |
96 | & SDHCI_CLOCK_BASE_MASK) | | |
97 | ||
98 | SDHCI_TIMEOUT_CLK_UNIT | | |
99 | SDHCI_CAN_VDD_330 | | |
100 | SDHCI_CAN_DO_SDMA; | |
101 | return 0; | |
102 | } | |
103 | ||
104 | static int ricoh_mmc_resume(struct sdhci_pci_chip *chip) | |
105 | { | |
106 | /* Apply a delay to allow controller to settle */ | |
107 | /* Otherwise it becomes confused if card state changed | |
108 | during suspend */ | |
109 | msleep(500); | |
22606405 PO |
110 | return 0; |
111 | } | |
112 | ||
113 | static const struct sdhci_pci_fixes sdhci_ricoh = { | |
114 | .probe = ricoh_probe, | |
84938294 VK |
115 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | |
116 | SDHCI_QUIRK_FORCE_DMA | | |
117 | SDHCI_QUIRK_CLOCK_BEFORE_RESET, | |
22606405 PO |
118 | }; |
119 | ||
ccc92c23 ML |
120 | static const struct sdhci_pci_fixes sdhci_ricoh_mmc = { |
121 | .probe_slot = ricoh_mmc_probe_slot, | |
122 | .resume = ricoh_mmc_resume, | |
123 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | | |
124 | SDHCI_QUIRK_CLOCK_BEFORE_RESET | | |
125 | SDHCI_QUIRK_NO_CARD_NO_RESET | | |
126 | SDHCI_QUIRK_MISSING_CAPS | |
127 | }; | |
128 | ||
22606405 PO |
129 | static const struct sdhci_pci_fixes sdhci_ene_712 = { |
130 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | | |
131 | SDHCI_QUIRK_BROKEN_DMA, | |
132 | }; | |
133 | ||
134 | static const struct sdhci_pci_fixes sdhci_ene_714 = { | |
135 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | | |
136 | SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS | | |
137 | SDHCI_QUIRK_BROKEN_DMA, | |
138 | }; | |
139 | ||
140 | static const struct sdhci_pci_fixes sdhci_cafe = { | |
141 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER | | |
a0874897 | 142 | SDHCI_QUIRK_NO_BUSY_IRQ | |
ee53ab5d | 143 | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, |
22606405 PO |
144 | }; |
145 | ||
68077b02 ML |
146 | static int mrst_hc_probe_slot(struct sdhci_pci_slot *slot) |
147 | { | |
148 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; | |
149 | return 0; | |
150 | } | |
151 | ||
f9ee3eab AC |
152 | /* |
153 | * ADMA operation is disabled for Moorestown platform due to | |
154 | * hardware bugs. | |
155 | */ | |
35ac6f08 | 156 | static int mrst_hc_probe(struct sdhci_pci_chip *chip) |
f9ee3eab AC |
157 | { |
158 | /* | |
35ac6f08 JP |
159 | * slots number is fixed here for MRST as SDIO3/5 are never used and |
160 | * have hardware bugs. | |
f9ee3eab AC |
161 | */ |
162 | chip->num_slots = 1; | |
163 | return 0; | |
164 | } | |
165 | ||
0d013bcf AH |
166 | static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot) |
167 | { | |
168 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; | |
169 | return 0; | |
170 | } | |
171 | ||
f9ee3eab AC |
172 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = { |
173 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, | |
68077b02 | 174 | .probe_slot = mrst_hc_probe_slot, |
f9ee3eab AC |
175 | }; |
176 | ||
35ac6f08 | 177 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = { |
f9ee3eab | 178 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, |
35ac6f08 | 179 | .probe = mrst_hc_probe, |
f9ee3eab AC |
180 | }; |
181 | ||
29229052 XS |
182 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = { |
183 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
184 | }; | |
185 | ||
0d013bcf AH |
186 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sdio = { |
187 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
188 | }; | |
189 | ||
190 | static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc = { | |
29229052 | 191 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
0d013bcf | 192 | .probe_slot = mfd_emmc_probe_slot, |
29229052 XS |
193 | }; |
194 | ||
26daa1ed JL |
195 | /* O2Micro extra registers */ |
196 | #define O2_SD_LOCK_WP 0xD3 | |
197 | #define O2_SD_MULTI_VCC3V 0xEE | |
198 | #define O2_SD_CLKREQ 0xEC | |
199 | #define O2_SD_CAPS 0xE0 | |
200 | #define O2_SD_ADMA1 0xE2 | |
201 | #define O2_SD_ADMA2 0xE7 | |
202 | #define O2_SD_INF_MOD 0xF1 | |
203 | ||
204 | static int o2_probe(struct sdhci_pci_chip *chip) | |
205 | { | |
206 | int ret; | |
207 | u8 scratch; | |
208 | ||
209 | switch (chip->pdev->device) { | |
210 | case PCI_DEVICE_ID_O2_8220: | |
211 | case PCI_DEVICE_ID_O2_8221: | |
212 | case PCI_DEVICE_ID_O2_8320: | |
213 | case PCI_DEVICE_ID_O2_8321: | |
214 | /* This extra setup is required due to broken ADMA. */ | |
215 | ret = pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch); | |
216 | if (ret) | |
217 | return ret; | |
218 | scratch &= 0x7f; | |
219 | pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch); | |
220 | ||
221 | /* Set Multi 3 to VCC3V# */ | |
222 | pci_write_config_byte(chip->pdev, O2_SD_MULTI_VCC3V, 0x08); | |
223 | ||
224 | /* Disable CLK_REQ# support after media DET */ | |
225 | ret = pci_read_config_byte(chip->pdev, O2_SD_CLKREQ, &scratch); | |
226 | if (ret) | |
227 | return ret; | |
228 | scratch |= 0x20; | |
229 | pci_write_config_byte(chip->pdev, O2_SD_CLKREQ, scratch); | |
230 | ||
231 | /* Choose capabilities, enable SDMA. We have to write 0x01 | |
232 | * to the capabilities register first to unlock it. | |
233 | */ | |
234 | ret = pci_read_config_byte(chip->pdev, O2_SD_CAPS, &scratch); | |
235 | if (ret) | |
236 | return ret; | |
237 | scratch |= 0x01; | |
238 | pci_write_config_byte(chip->pdev, O2_SD_CAPS, scratch); | |
239 | pci_write_config_byte(chip->pdev, O2_SD_CAPS, 0x73); | |
240 | ||
241 | /* Disable ADMA1/2 */ | |
242 | pci_write_config_byte(chip->pdev, O2_SD_ADMA1, 0x39); | |
243 | pci_write_config_byte(chip->pdev, O2_SD_ADMA2, 0x08); | |
244 | ||
245 | /* Disable the infinite transfer mode */ | |
246 | ret = pci_read_config_byte(chip->pdev, O2_SD_INF_MOD, &scratch); | |
247 | if (ret) | |
248 | return ret; | |
249 | scratch |= 0x08; | |
250 | pci_write_config_byte(chip->pdev, O2_SD_INF_MOD, scratch); | |
251 | ||
252 | /* Lock WP */ | |
253 | ret = pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch); | |
254 | if (ret) | |
255 | return ret; | |
256 | scratch |= 0x80; | |
257 | pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch); | |
258 | } | |
259 | ||
260 | return 0; | |
261 | } | |
262 | ||
45211e21 PO |
263 | static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) |
264 | { | |
265 | u8 scratch; | |
266 | int ret; | |
267 | ||
268 | ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch); | |
269 | if (ret) | |
270 | return ret; | |
271 | ||
272 | /* | |
273 | * Turn PMOS on [bit 0], set over current detection to 2.4 V | |
274 | * [bit 1:2] and enable over current debouncing [bit 6]. | |
275 | */ | |
276 | if (on) | |
277 | scratch |= 0x47; | |
278 | else | |
279 | scratch &= ~0x47; | |
280 | ||
281 | ret = pci_write_config_byte(chip->pdev, 0xAE, scratch); | |
282 | if (ret) | |
283 | return ret; | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
288 | static int jmicron_probe(struct sdhci_pci_chip *chip) | |
289 | { | |
290 | int ret; | |
8f230f45 | 291 | u16 mmcdev = 0; |
45211e21 | 292 | |
93fc48c7 PO |
293 | if (chip->pdev->revision == 0) { |
294 | chip->quirks |= SDHCI_QUIRK_32BIT_DMA_ADDR | | |
295 | SDHCI_QUIRK_32BIT_DMA_SIZE | | |
2134a922 | 296 | SDHCI_QUIRK_32BIT_ADMA_SIZE | |
4a3cba32 | 297 | SDHCI_QUIRK_RESET_AFTER_REQUEST | |
86a6a874 | 298 | SDHCI_QUIRK_BROKEN_SMALL_PIO; |
93fc48c7 PO |
299 | } |
300 | ||
4489428a PO |
301 | /* |
302 | * JMicron chips can have two interfaces to the same hardware | |
303 | * in order to work around limitations in Microsoft's driver. | |
304 | * We need to make sure we only bind to one of them. | |
305 | * | |
306 | * This code assumes two things: | |
307 | * | |
308 | * 1. The PCI code adds subfunctions in order. | |
309 | * | |
310 | * 2. The MMC interface has a lower subfunction number | |
311 | * than the SD interface. | |
312 | */ | |
8f230f45 TI |
313 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_SD) |
314 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB38X_MMC; | |
315 | else if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD) | |
316 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB388_ESD; | |
317 | ||
318 | if (mmcdev) { | |
4489428a PO |
319 | struct pci_dev *sd_dev; |
320 | ||
321 | sd_dev = NULL; | |
322 | while ((sd_dev = pci_get_device(PCI_VENDOR_ID_JMICRON, | |
8f230f45 | 323 | mmcdev, sd_dev)) != NULL) { |
4489428a PO |
324 | if ((PCI_SLOT(chip->pdev->devfn) == |
325 | PCI_SLOT(sd_dev->devfn)) && | |
326 | (chip->pdev->bus == sd_dev->bus)) | |
327 | break; | |
328 | } | |
329 | ||
330 | if (sd_dev) { | |
331 | pci_dev_put(sd_dev); | |
332 | dev_info(&chip->pdev->dev, "Refusing to bind to " | |
333 | "secondary interface.\n"); | |
334 | return -ENODEV; | |
335 | } | |
336 | } | |
337 | ||
45211e21 PO |
338 | /* |
339 | * JMicron chips need a bit of a nudge to enable the power | |
340 | * output pins. | |
341 | */ | |
342 | ret = jmicron_pmos(chip, 1); | |
343 | if (ret) { | |
344 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); | |
345 | return ret; | |
346 | } | |
347 | ||
82b0e23a TI |
348 | /* quirk for unsable RO-detection on JM388 chips */ |
349 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD || | |
350 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
351 | chip->quirks |= SDHCI_QUIRK_UNSTABLE_RO_DETECT; | |
352 | ||
45211e21 PO |
353 | return 0; |
354 | } | |
355 | ||
4489428a PO |
356 | static void jmicron_enable_mmc(struct sdhci_host *host, int on) |
357 | { | |
358 | u8 scratch; | |
359 | ||
360 | scratch = readb(host->ioaddr + 0xC0); | |
361 | ||
362 | if (on) | |
363 | scratch |= 0x01; | |
364 | else | |
365 | scratch &= ~0x01; | |
366 | ||
367 | writeb(scratch, host->ioaddr + 0xC0); | |
368 | } | |
369 | ||
370 | static int jmicron_probe_slot(struct sdhci_pci_slot *slot) | |
371 | { | |
2134a922 PO |
372 | if (slot->chip->pdev->revision == 0) { |
373 | u16 version; | |
374 | ||
375 | version = readl(slot->host->ioaddr + SDHCI_HOST_VERSION); | |
376 | version = (version & SDHCI_VENDOR_VER_MASK) >> | |
377 | SDHCI_VENDOR_VER_SHIFT; | |
378 | ||
379 | /* | |
380 | * Older versions of the chip have lots of nasty glitches | |
381 | * in the ADMA engine. It's best just to avoid it | |
382 | * completely. | |
383 | */ | |
384 | if (version < 0xAC) | |
385 | slot->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; | |
386 | } | |
387 | ||
8f230f45 TI |
388 | /* JM388 MMC doesn't support 1.8V while SD supports it */ |
389 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
390 | slot->host->ocr_avail_sd = MMC_VDD_32_33 | MMC_VDD_33_34 | | |
391 | MMC_VDD_29_30 | MMC_VDD_30_31 | | |
392 | MMC_VDD_165_195; /* allow 1.8V */ | |
393 | slot->host->ocr_avail_mmc = MMC_VDD_32_33 | MMC_VDD_33_34 | | |
394 | MMC_VDD_29_30 | MMC_VDD_30_31; /* no 1.8V for MMC */ | |
395 | } | |
396 | ||
4489428a PO |
397 | /* |
398 | * The secondary interface requires a bit set to get the | |
399 | * interrupts. | |
400 | */ | |
8f230f45 TI |
401 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
402 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
4489428a PO |
403 | jmicron_enable_mmc(slot->host, 1); |
404 | ||
d75c1084 TI |
405 | slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST; |
406 | ||
4489428a PO |
407 | return 0; |
408 | } | |
409 | ||
1e72859e | 410 | static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead) |
4489428a | 411 | { |
1e72859e PO |
412 | if (dead) |
413 | return; | |
414 | ||
8f230f45 TI |
415 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
416 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
4489428a PO |
417 | jmicron_enable_mmc(slot->host, 0); |
418 | } | |
419 | ||
420 | static int jmicron_suspend(struct sdhci_pci_chip *chip, pm_message_t state) | |
421 | { | |
422 | int i; | |
423 | ||
8f230f45 TI |
424 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
425 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
b177bc91 | 426 | for (i = 0; i < chip->num_slots; i++) |
4489428a PO |
427 | jmicron_enable_mmc(chip->slots[i]->host, 0); |
428 | } | |
429 | ||
430 | return 0; | |
431 | } | |
432 | ||
45211e21 PO |
433 | static int jmicron_resume(struct sdhci_pci_chip *chip) |
434 | { | |
4489428a PO |
435 | int ret, i; |
436 | ||
8f230f45 TI |
437 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
438 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
b177bc91 | 439 | for (i = 0; i < chip->num_slots; i++) |
4489428a PO |
440 | jmicron_enable_mmc(chip->slots[i]->host, 1); |
441 | } | |
45211e21 PO |
442 | |
443 | ret = jmicron_pmos(chip, 1); | |
444 | if (ret) { | |
445 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); | |
446 | return ret; | |
447 | } | |
448 | ||
449 | return 0; | |
450 | } | |
451 | ||
26daa1ed JL |
452 | static const struct sdhci_pci_fixes sdhci_o2 = { |
453 | .probe = o2_probe, | |
454 | }; | |
455 | ||
22606405 | 456 | static const struct sdhci_pci_fixes sdhci_jmicron = { |
45211e21 PO |
457 | .probe = jmicron_probe, |
458 | ||
4489428a PO |
459 | .probe_slot = jmicron_probe_slot, |
460 | .remove_slot = jmicron_remove_slot, | |
461 | ||
462 | .suspend = jmicron_suspend, | |
45211e21 | 463 | .resume = jmicron_resume, |
22606405 PO |
464 | }; |
465 | ||
a7a6186c NP |
466 | /* SysKonnect CardBus2SDIO extra registers */ |
467 | #define SYSKT_CTRL 0x200 | |
468 | #define SYSKT_RDFIFO_STAT 0x204 | |
469 | #define SYSKT_WRFIFO_STAT 0x208 | |
470 | #define SYSKT_POWER_DATA 0x20c | |
471 | #define SYSKT_POWER_330 0xef | |
472 | #define SYSKT_POWER_300 0xf8 | |
473 | #define SYSKT_POWER_184 0xcc | |
474 | #define SYSKT_POWER_CMD 0x20d | |
475 | #define SYSKT_POWER_START (1 << 7) | |
476 | #define SYSKT_POWER_STATUS 0x20e | |
477 | #define SYSKT_POWER_STATUS_OK (1 << 0) | |
478 | #define SYSKT_BOARD_REV 0x210 | |
479 | #define SYSKT_CHIP_REV 0x211 | |
480 | #define SYSKT_CONF_DATA 0x212 | |
481 | #define SYSKT_CONF_DATA_1V8 (1 << 2) | |
482 | #define SYSKT_CONF_DATA_2V5 (1 << 1) | |
483 | #define SYSKT_CONF_DATA_3V3 (1 << 0) | |
484 | ||
485 | static int syskt_probe(struct sdhci_pci_chip *chip) | |
486 | { | |
487 | if ((chip->pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { | |
488 | chip->pdev->class &= ~0x0000FF; | |
489 | chip->pdev->class |= PCI_SDHCI_IFDMA; | |
490 | } | |
491 | return 0; | |
492 | } | |
493 | ||
494 | static int syskt_probe_slot(struct sdhci_pci_slot *slot) | |
495 | { | |
496 | int tm, ps; | |
497 | ||
498 | u8 board_rev = readb(slot->host->ioaddr + SYSKT_BOARD_REV); | |
499 | u8 chip_rev = readb(slot->host->ioaddr + SYSKT_CHIP_REV); | |
500 | dev_info(&slot->chip->pdev->dev, "SysKonnect CardBus2SDIO, " | |
501 | "board rev %d.%d, chip rev %d.%d\n", | |
502 | board_rev >> 4, board_rev & 0xf, | |
503 | chip_rev >> 4, chip_rev & 0xf); | |
504 | if (chip_rev >= 0x20) | |
505 | slot->host->quirks |= SDHCI_QUIRK_FORCE_DMA; | |
506 | ||
507 | writeb(SYSKT_POWER_330, slot->host->ioaddr + SYSKT_POWER_DATA); | |
508 | writeb(SYSKT_POWER_START, slot->host->ioaddr + SYSKT_POWER_CMD); | |
509 | udelay(50); | |
510 | tm = 10; /* Wait max 1 ms */ | |
511 | do { | |
512 | ps = readw(slot->host->ioaddr + SYSKT_POWER_STATUS); | |
513 | if (ps & SYSKT_POWER_STATUS_OK) | |
514 | break; | |
515 | udelay(100); | |
516 | } while (--tm); | |
517 | if (!tm) { | |
518 | dev_err(&slot->chip->pdev->dev, | |
519 | "power regulator never stabilized"); | |
520 | writeb(0, slot->host->ioaddr + SYSKT_POWER_CMD); | |
521 | return -ENODEV; | |
522 | } | |
523 | ||
524 | return 0; | |
525 | } | |
526 | ||
527 | static const struct sdhci_pci_fixes sdhci_syskt = { | |
528 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER, | |
529 | .probe = syskt_probe, | |
530 | .probe_slot = syskt_probe_slot, | |
531 | }; | |
532 | ||
557b0697 HW |
533 | static int via_probe(struct sdhci_pci_chip *chip) |
534 | { | |
535 | if (chip->pdev->revision == 0x10) | |
536 | chip->quirks |= SDHCI_QUIRK_DELAY_AFTER_POWER; | |
537 | ||
538 | return 0; | |
539 | } | |
540 | ||
541 | static const struct sdhci_pci_fixes sdhci_via = { | |
542 | .probe = via_probe, | |
543 | }; | |
544 | ||
22606405 | 545 | static const struct pci_device_id pci_ids[] __devinitdata = { |
b8c86fc5 PO |
546 | { |
547 | .vendor = PCI_VENDOR_ID_RICOH, | |
548 | .device = PCI_DEVICE_ID_RICOH_R5C822, | |
22606405 | 549 | .subvendor = PCI_ANY_ID, |
b8c86fc5 | 550 | .subdevice = PCI_ANY_ID, |
22606405 | 551 | .driver_data = (kernel_ulong_t)&sdhci_ricoh, |
b8c86fc5 PO |
552 | }, |
553 | ||
ccc92c23 ML |
554 | { |
555 | .vendor = PCI_VENDOR_ID_RICOH, | |
556 | .device = 0x843, | |
557 | .subvendor = PCI_ANY_ID, | |
558 | .subdevice = PCI_ANY_ID, | |
559 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
560 | }, | |
561 | ||
568133eb PC |
562 | { |
563 | .vendor = PCI_VENDOR_ID_RICOH, | |
564 | .device = 0xe822, | |
565 | .subvendor = PCI_ANY_ID, | |
566 | .subdevice = PCI_ANY_ID, | |
567 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
568 | }, | |
569 | ||
5fd11c07 MI |
570 | { |
571 | .vendor = PCI_VENDOR_ID_RICOH, | |
572 | .device = 0xe823, | |
573 | .subvendor = PCI_ANY_ID, | |
574 | .subdevice = PCI_ANY_ID, | |
575 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
576 | }, | |
577 | ||
b8c86fc5 PO |
578 | { |
579 | .vendor = PCI_VENDOR_ID_ENE, | |
580 | .device = PCI_DEVICE_ID_ENE_CB712_SD, | |
581 | .subvendor = PCI_ANY_ID, | |
582 | .subdevice = PCI_ANY_ID, | |
22606405 | 583 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
b8c86fc5 PO |
584 | }, |
585 | ||
586 | { | |
587 | .vendor = PCI_VENDOR_ID_ENE, | |
588 | .device = PCI_DEVICE_ID_ENE_CB712_SD_2, | |
589 | .subvendor = PCI_ANY_ID, | |
590 | .subdevice = PCI_ANY_ID, | |
22606405 | 591 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
b8c86fc5 PO |
592 | }, |
593 | ||
594 | { | |
595 | .vendor = PCI_VENDOR_ID_ENE, | |
596 | .device = PCI_DEVICE_ID_ENE_CB714_SD, | |
597 | .subvendor = PCI_ANY_ID, | |
598 | .subdevice = PCI_ANY_ID, | |
22606405 | 599 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
b8c86fc5 PO |
600 | }, |
601 | ||
602 | { | |
603 | .vendor = PCI_VENDOR_ID_ENE, | |
604 | .device = PCI_DEVICE_ID_ENE_CB714_SD_2, | |
605 | .subvendor = PCI_ANY_ID, | |
606 | .subdevice = PCI_ANY_ID, | |
22606405 | 607 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
b8c86fc5 PO |
608 | }, |
609 | ||
610 | { | |
611 | .vendor = PCI_VENDOR_ID_MARVELL, | |
8c5eb880 | 612 | .device = PCI_DEVICE_ID_MARVELL_88ALP01_SD, |
b8c86fc5 PO |
613 | .subvendor = PCI_ANY_ID, |
614 | .subdevice = PCI_ANY_ID, | |
22606405 | 615 | .driver_data = (kernel_ulong_t)&sdhci_cafe, |
b8c86fc5 PO |
616 | }, |
617 | ||
618 | { | |
619 | .vendor = PCI_VENDOR_ID_JMICRON, | |
620 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_SD, | |
621 | .subvendor = PCI_ANY_ID, | |
622 | .subdevice = PCI_ANY_ID, | |
22606405 | 623 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
b8c86fc5 PO |
624 | }, |
625 | ||
4489428a PO |
626 | { |
627 | .vendor = PCI_VENDOR_ID_JMICRON, | |
628 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_MMC, | |
629 | .subvendor = PCI_ANY_ID, | |
630 | .subdevice = PCI_ANY_ID, | |
631 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
8f230f45 TI |
632 | }, |
633 | ||
634 | { | |
635 | .vendor = PCI_VENDOR_ID_JMICRON, | |
636 | .device = PCI_DEVICE_ID_JMICRON_JMB388_SD, | |
637 | .subvendor = PCI_ANY_ID, | |
638 | .subdevice = PCI_ANY_ID, | |
639 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
640 | }, | |
641 | ||
642 | { | |
643 | .vendor = PCI_VENDOR_ID_JMICRON, | |
644 | .device = PCI_DEVICE_ID_JMICRON_JMB388_ESD, | |
645 | .subvendor = PCI_ANY_ID, | |
646 | .subdevice = PCI_ANY_ID, | |
647 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
4489428a PO |
648 | }, |
649 | ||
a7a6186c NP |
650 | { |
651 | .vendor = PCI_VENDOR_ID_SYSKONNECT, | |
652 | .device = 0x8000, | |
653 | .subvendor = PCI_ANY_ID, | |
654 | .subdevice = PCI_ANY_ID, | |
655 | .driver_data = (kernel_ulong_t)&sdhci_syskt, | |
656 | }, | |
657 | ||
557b0697 HW |
658 | { |
659 | .vendor = PCI_VENDOR_ID_VIA, | |
660 | .device = 0x95d0, | |
661 | .subvendor = PCI_ANY_ID, | |
662 | .subdevice = PCI_ANY_ID, | |
663 | .driver_data = (kernel_ulong_t)&sdhci_via, | |
664 | }, | |
665 | ||
29229052 XS |
666 | { |
667 | .vendor = PCI_VENDOR_ID_INTEL, | |
f9ee3eab AC |
668 | .device = PCI_DEVICE_ID_INTEL_MRST_SD0, |
669 | .subvendor = PCI_ANY_ID, | |
670 | .subdevice = PCI_ANY_ID, | |
671 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc0, | |
672 | }, | |
673 | ||
674 | { | |
675 | .vendor = PCI_VENDOR_ID_INTEL, | |
676 | .device = PCI_DEVICE_ID_INTEL_MRST_SD1, | |
677 | .subvendor = PCI_ANY_ID, | |
678 | .subdevice = PCI_ANY_ID, | |
35ac6f08 JP |
679 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, |
680 | }, | |
681 | ||
682 | { | |
683 | .vendor = PCI_VENDOR_ID_INTEL, | |
684 | .device = PCI_DEVICE_ID_INTEL_MRST_SD2, | |
685 | .subvendor = PCI_ANY_ID, | |
686 | .subdevice = PCI_ANY_ID, | |
687 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, | |
f9ee3eab AC |
688 | }, |
689 | ||
690 | { | |
691 | .vendor = PCI_VENDOR_ID_INTEL, | |
29229052 XS |
692 | .device = PCI_DEVICE_ID_INTEL_MFD_SD, |
693 | .subvendor = PCI_ANY_ID, | |
694 | .subdevice = PCI_ANY_ID, | |
695 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, | |
696 | }, | |
697 | ||
698 | { | |
699 | .vendor = PCI_VENDOR_ID_INTEL, | |
700 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO1, | |
701 | .subvendor = PCI_ANY_ID, | |
702 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 703 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
29229052 XS |
704 | }, |
705 | ||
706 | { | |
707 | .vendor = PCI_VENDOR_ID_INTEL, | |
708 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO2, | |
709 | .subvendor = PCI_ANY_ID, | |
710 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 711 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
29229052 XS |
712 | }, |
713 | ||
714 | { | |
715 | .vendor = PCI_VENDOR_ID_INTEL, | |
716 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC0, | |
717 | .subvendor = PCI_ANY_ID, | |
718 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 719 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
29229052 XS |
720 | }, |
721 | ||
722 | { | |
723 | .vendor = PCI_VENDOR_ID_INTEL, | |
724 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC1, | |
725 | .subvendor = PCI_ANY_ID, | |
726 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 727 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
29229052 XS |
728 | }, |
729 | ||
26daa1ed JL |
730 | { |
731 | .vendor = PCI_VENDOR_ID_O2, | |
732 | .device = PCI_DEVICE_ID_O2_8120, | |
733 | .subvendor = PCI_ANY_ID, | |
734 | .subdevice = PCI_ANY_ID, | |
735 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
736 | }, | |
737 | ||
738 | { | |
739 | .vendor = PCI_VENDOR_ID_O2, | |
740 | .device = PCI_DEVICE_ID_O2_8220, | |
741 | .subvendor = PCI_ANY_ID, | |
742 | .subdevice = PCI_ANY_ID, | |
743 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
744 | }, | |
745 | ||
746 | { | |
747 | .vendor = PCI_VENDOR_ID_O2, | |
748 | .device = PCI_DEVICE_ID_O2_8221, | |
749 | .subvendor = PCI_ANY_ID, | |
750 | .subdevice = PCI_ANY_ID, | |
751 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
752 | }, | |
753 | ||
754 | { | |
755 | .vendor = PCI_VENDOR_ID_O2, | |
756 | .device = PCI_DEVICE_ID_O2_8320, | |
757 | .subvendor = PCI_ANY_ID, | |
758 | .subdevice = PCI_ANY_ID, | |
759 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
760 | }, | |
761 | ||
762 | { | |
763 | .vendor = PCI_VENDOR_ID_O2, | |
764 | .device = PCI_DEVICE_ID_O2_8321, | |
765 | .subvendor = PCI_ANY_ID, | |
766 | .subdevice = PCI_ANY_ID, | |
767 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
768 | }, | |
769 | ||
b8c86fc5 PO |
770 | { /* Generic SD host controller */ |
771 | PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00) | |
772 | }, | |
773 | ||
774 | { /* end: all zeroes */ }, | |
775 | }; | |
776 | ||
777 | MODULE_DEVICE_TABLE(pci, pci_ids); | |
778 | ||
b8c86fc5 PO |
779 | /*****************************************************************************\ |
780 | * * | |
781 | * SDHCI core callbacks * | |
782 | * * | |
783 | \*****************************************************************************/ | |
784 | ||
785 | static int sdhci_pci_enable_dma(struct sdhci_host *host) | |
786 | { | |
787 | struct sdhci_pci_slot *slot; | |
788 | struct pci_dev *pdev; | |
789 | int ret; | |
790 | ||
791 | slot = sdhci_priv(host); | |
792 | pdev = slot->chip->pdev; | |
793 | ||
794 | if (((pdev->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI << 8)) && | |
795 | ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) && | |
a13abc7b | 796 | (host->flags & SDHCI_USE_SDMA)) { |
b8c86fc5 PO |
797 | dev_warn(&pdev->dev, "Will use DMA mode even though HW " |
798 | "doesn't fully claim to support it.\n"); | |
799 | } | |
800 | ||
284901a9 | 801 | ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
b8c86fc5 PO |
802 | if (ret) |
803 | return ret; | |
804 | ||
805 | pci_set_master(pdev); | |
806 | ||
807 | return 0; | |
808 | } | |
809 | ||
68077b02 ML |
810 | static int sdhci_pci_8bit_width(struct sdhci_host *host, int width) |
811 | { | |
812 | u8 ctrl; | |
813 | ||
814 | ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); | |
815 | ||
816 | switch (width) { | |
817 | case MMC_BUS_WIDTH_8: | |
818 | ctrl |= SDHCI_CTRL_8BITBUS; | |
819 | ctrl &= ~SDHCI_CTRL_4BITBUS; | |
820 | break; | |
821 | case MMC_BUS_WIDTH_4: | |
822 | ctrl |= SDHCI_CTRL_4BITBUS; | |
823 | ctrl &= ~SDHCI_CTRL_8BITBUS; | |
824 | break; | |
825 | default: | |
826 | ctrl &= ~(SDHCI_CTRL_8BITBUS | SDHCI_CTRL_4BITBUS); | |
827 | break; | |
828 | } | |
829 | ||
830 | sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); | |
831 | ||
832 | return 0; | |
833 | } | |
834 | ||
b8c86fc5 PO |
835 | static struct sdhci_ops sdhci_pci_ops = { |
836 | .enable_dma = sdhci_pci_enable_dma, | |
68077b02 | 837 | .platform_8bit_width = sdhci_pci_8bit_width, |
b8c86fc5 PO |
838 | }; |
839 | ||
840 | /*****************************************************************************\ | |
841 | * * | |
842 | * Suspend/resume * | |
843 | * * | |
844 | \*****************************************************************************/ | |
845 | ||
846 | #ifdef CONFIG_PM | |
847 | ||
b177bc91 | 848 | static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state) |
b8c86fc5 PO |
849 | { |
850 | struct sdhci_pci_chip *chip; | |
851 | struct sdhci_pci_slot *slot; | |
5f619704 | 852 | mmc_pm_flag_t slot_pm_flags; |
2f4cbb3d | 853 | mmc_pm_flag_t pm_flags = 0; |
b8c86fc5 PO |
854 | int i, ret; |
855 | ||
856 | chip = pci_get_drvdata(pdev); | |
857 | if (!chip) | |
858 | return 0; | |
859 | ||
b177bc91 | 860 | for (i = 0; i < chip->num_slots; i++) { |
b8c86fc5 PO |
861 | slot = chip->slots[i]; |
862 | if (!slot) | |
863 | continue; | |
864 | ||
865 | ret = sdhci_suspend_host(slot->host, state); | |
866 | ||
867 | if (ret) { | |
b177bc91 | 868 | for (i--; i >= 0; i--) |
b8c86fc5 PO |
869 | sdhci_resume_host(chip->slots[i]->host); |
870 | return ret; | |
871 | } | |
2f4cbb3d | 872 | |
5f619704 DD |
873 | slot_pm_flags = slot->host->mmc->pm_flags; |
874 | if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ) | |
875 | sdhci_enable_irq_wakeups(slot->host); | |
876 | ||
877 | pm_flags |= slot_pm_flags; | |
b8c86fc5 PO |
878 | } |
879 | ||
4489428a PO |
880 | if (chip->fixes && chip->fixes->suspend) { |
881 | ret = chip->fixes->suspend(chip, state); | |
882 | if (ret) { | |
b177bc91 | 883 | for (i = chip->num_slots - 1; i >= 0; i--) |
4489428a PO |
884 | sdhci_resume_host(chip->slots[i]->host); |
885 | return ret; | |
886 | } | |
887 | } | |
888 | ||
b8c86fc5 | 889 | pci_save_state(pdev); |
2f4cbb3d | 890 | if (pm_flags & MMC_PM_KEEP_POWER) { |
5f619704 DD |
891 | if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) { |
892 | pci_pme_active(pdev, true); | |
2f4cbb3d | 893 | pci_enable_wake(pdev, PCI_D3hot, 1); |
5f619704 | 894 | } |
2f4cbb3d NP |
895 | pci_set_power_state(pdev, PCI_D3hot); |
896 | } else { | |
897 | pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); | |
898 | pci_disable_device(pdev); | |
899 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
900 | } | |
b8c86fc5 PO |
901 | |
902 | return 0; | |
903 | } | |
904 | ||
b177bc91 | 905 | static int sdhci_pci_resume(struct pci_dev *pdev) |
b8c86fc5 PO |
906 | { |
907 | struct sdhci_pci_chip *chip; | |
908 | struct sdhci_pci_slot *slot; | |
909 | int i, ret; | |
910 | ||
911 | chip = pci_get_drvdata(pdev); | |
912 | if (!chip) | |
913 | return 0; | |
914 | ||
915 | pci_set_power_state(pdev, PCI_D0); | |
916 | pci_restore_state(pdev); | |
917 | ret = pci_enable_device(pdev); | |
918 | if (ret) | |
919 | return ret; | |
920 | ||
45211e21 PO |
921 | if (chip->fixes && chip->fixes->resume) { |
922 | ret = chip->fixes->resume(chip); | |
923 | if (ret) | |
924 | return ret; | |
925 | } | |
926 | ||
b177bc91 | 927 | for (i = 0; i < chip->num_slots; i++) { |
b8c86fc5 PO |
928 | slot = chip->slots[i]; |
929 | if (!slot) | |
930 | continue; | |
931 | ||
932 | ret = sdhci_resume_host(slot->host); | |
933 | if (ret) | |
934 | return ret; | |
935 | } | |
936 | ||
937 | return 0; | |
938 | } | |
939 | ||
940 | #else /* CONFIG_PM */ | |
941 | ||
942 | #define sdhci_pci_suspend NULL | |
943 | #define sdhci_pci_resume NULL | |
944 | ||
945 | #endif /* CONFIG_PM */ | |
946 | ||
947 | /*****************************************************************************\ | |
948 | * * | |
949 | * Device probing/removal * | |
950 | * * | |
951 | \*****************************************************************************/ | |
952 | ||
953 | static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( | |
954 | struct pci_dev *pdev, struct sdhci_pci_chip *chip, int bar) | |
955 | { | |
956 | struct sdhci_pci_slot *slot; | |
957 | struct sdhci_host *host; | |
b8c86fc5 PO |
958 | int ret; |
959 | ||
960 | if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) { | |
961 | dev_err(&pdev->dev, "BAR %d is not iomem. Aborting.\n", bar); | |
962 | return ERR_PTR(-ENODEV); | |
963 | } | |
964 | ||
965 | if (pci_resource_len(pdev, bar) != 0x100) { | |
966 | dev_err(&pdev->dev, "Invalid iomem size. You may " | |
967 | "experience problems.\n"); | |
968 | } | |
969 | ||
970 | if ((pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { | |
971 | dev_err(&pdev->dev, "Vendor specific interface. Aborting.\n"); | |
972 | return ERR_PTR(-ENODEV); | |
973 | } | |
974 | ||
975 | if ((pdev->class & 0x0000FF) > PCI_SDHCI_IFVENDOR) { | |
976 | dev_err(&pdev->dev, "Unknown interface. Aborting.\n"); | |
977 | return ERR_PTR(-ENODEV); | |
978 | } | |
979 | ||
980 | host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot)); | |
981 | if (IS_ERR(host)) { | |
c60a32cd | 982 | dev_err(&pdev->dev, "cannot allocate host\n"); |
dc0fd7b5 | 983 | return ERR_CAST(host); |
b8c86fc5 PO |
984 | } |
985 | ||
986 | slot = sdhci_priv(host); | |
987 | ||
988 | slot->chip = chip; | |
989 | slot->host = host; | |
990 | slot->pci_bar = bar; | |
991 | ||
992 | host->hw_name = "PCI"; | |
993 | host->ops = &sdhci_pci_ops; | |
994 | host->quirks = chip->quirks; | |
995 | ||
996 | host->irq = pdev->irq; | |
997 | ||
998 | ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc)); | |
999 | if (ret) { | |
1000 | dev_err(&pdev->dev, "cannot request region\n"); | |
c60a32cd | 1001 | goto free; |
b8c86fc5 PO |
1002 | } |
1003 | ||
092f82ed | 1004 | host->ioaddr = pci_ioremap_bar(pdev, bar); |
b8c86fc5 PO |
1005 | if (!host->ioaddr) { |
1006 | dev_err(&pdev->dev, "failed to remap registers\n"); | |
9fdcdbb0 | 1007 | ret = -ENOMEM; |
b8c86fc5 PO |
1008 | goto release; |
1009 | } | |
1010 | ||
4489428a PO |
1011 | if (chip->fixes && chip->fixes->probe_slot) { |
1012 | ret = chip->fixes->probe_slot(slot); | |
1013 | if (ret) | |
1014 | goto unmap; | |
1015 | } | |
1016 | ||
2f4cbb3d NP |
1017 | host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ; |
1018 | ||
b8c86fc5 PO |
1019 | ret = sdhci_add_host(host); |
1020 | if (ret) | |
4489428a | 1021 | goto remove; |
b8c86fc5 PO |
1022 | |
1023 | return slot; | |
1024 | ||
4489428a PO |
1025 | remove: |
1026 | if (chip->fixes && chip->fixes->remove_slot) | |
1e72859e | 1027 | chip->fixes->remove_slot(slot, 0); |
4489428a | 1028 | |
b8c86fc5 PO |
1029 | unmap: |
1030 | iounmap(host->ioaddr); | |
1031 | ||
1032 | release: | |
1033 | pci_release_region(pdev, bar); | |
c60a32cd DC |
1034 | |
1035 | free: | |
b8c86fc5 PO |
1036 | sdhci_free_host(host); |
1037 | ||
1038 | return ERR_PTR(ret); | |
1039 | } | |
1040 | ||
1041 | static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot) | |
1042 | { | |
1e72859e PO |
1043 | int dead; |
1044 | u32 scratch; | |
1045 | ||
1046 | dead = 0; | |
1047 | scratch = readl(slot->host->ioaddr + SDHCI_INT_STATUS); | |
1048 | if (scratch == (u32)-1) | |
1049 | dead = 1; | |
1050 | ||
1051 | sdhci_remove_host(slot->host, dead); | |
4489428a PO |
1052 | |
1053 | if (slot->chip->fixes && slot->chip->fixes->remove_slot) | |
1e72859e | 1054 | slot->chip->fixes->remove_slot(slot, dead); |
4489428a | 1055 | |
b8c86fc5 | 1056 | pci_release_region(slot->chip->pdev, slot->pci_bar); |
4489428a | 1057 | |
b8c86fc5 PO |
1058 | sdhci_free_host(slot->host); |
1059 | } | |
1060 | ||
1061 | static int __devinit sdhci_pci_probe(struct pci_dev *pdev, | |
1062 | const struct pci_device_id *ent) | |
1063 | { | |
1064 | struct sdhci_pci_chip *chip; | |
1065 | struct sdhci_pci_slot *slot; | |
1066 | ||
cf5e23e1 | 1067 | u8 slots, first_bar; |
b8c86fc5 PO |
1068 | int ret, i; |
1069 | ||
1070 | BUG_ON(pdev == NULL); | |
1071 | BUG_ON(ent == NULL); | |
1072 | ||
b8c86fc5 | 1073 | dev_info(&pdev->dev, "SDHCI controller found [%04x:%04x] (rev %x)\n", |
cf5e23e1 | 1074 | (int)pdev->vendor, (int)pdev->device, (int)pdev->revision); |
b8c86fc5 PO |
1075 | |
1076 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots); | |
1077 | if (ret) | |
1078 | return ret; | |
1079 | ||
1080 | slots = PCI_SLOT_INFO_SLOTS(slots) + 1; | |
1081 | dev_dbg(&pdev->dev, "found %d slot(s)\n", slots); | |
1082 | if (slots == 0) | |
1083 | return -ENODEV; | |
1084 | ||
1085 | BUG_ON(slots > MAX_SLOTS); | |
1086 | ||
1087 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar); | |
1088 | if (ret) | |
1089 | return ret; | |
1090 | ||
1091 | first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK; | |
1092 | ||
1093 | if (first_bar > 5) { | |
1094 | dev_err(&pdev->dev, "Invalid first BAR. Aborting.\n"); | |
1095 | return -ENODEV; | |
1096 | } | |
1097 | ||
1098 | ret = pci_enable_device(pdev); | |
1099 | if (ret) | |
1100 | return ret; | |
1101 | ||
1102 | chip = kzalloc(sizeof(struct sdhci_pci_chip), GFP_KERNEL); | |
1103 | if (!chip) { | |
1104 | ret = -ENOMEM; | |
1105 | goto err; | |
1106 | } | |
1107 | ||
1108 | chip->pdev = pdev; | |
b177bc91 | 1109 | chip->fixes = (const struct sdhci_pci_fixes *)ent->driver_data; |
22606405 PO |
1110 | if (chip->fixes) |
1111 | chip->quirks = chip->fixes->quirks; | |
b8c86fc5 PO |
1112 | chip->num_slots = slots; |
1113 | ||
1114 | pci_set_drvdata(pdev, chip); | |
1115 | ||
22606405 PO |
1116 | if (chip->fixes && chip->fixes->probe) { |
1117 | ret = chip->fixes->probe(chip); | |
1118 | if (ret) | |
1119 | goto free; | |
1120 | } | |
1121 | ||
225d85fe AC |
1122 | slots = chip->num_slots; /* Quirk may have changed this */ |
1123 | ||
b177bc91 | 1124 | for (i = 0; i < slots; i++) { |
b8c86fc5 PO |
1125 | slot = sdhci_pci_probe_slot(pdev, chip, first_bar + i); |
1126 | if (IS_ERR(slot)) { | |
b177bc91 | 1127 | for (i--; i >= 0; i--) |
b8c86fc5 PO |
1128 | sdhci_pci_remove_slot(chip->slots[i]); |
1129 | ret = PTR_ERR(slot); | |
1130 | goto free; | |
1131 | } | |
1132 | ||
1133 | chip->slots[i] = slot; | |
1134 | } | |
1135 | ||
1136 | return 0; | |
1137 | ||
1138 | free: | |
1139 | pci_set_drvdata(pdev, NULL); | |
1140 | kfree(chip); | |
1141 | ||
1142 | err: | |
1143 | pci_disable_device(pdev); | |
1144 | return ret; | |
1145 | } | |
1146 | ||
1147 | static void __devexit sdhci_pci_remove(struct pci_dev *pdev) | |
1148 | { | |
1149 | int i; | |
1150 | struct sdhci_pci_chip *chip; | |
1151 | ||
1152 | chip = pci_get_drvdata(pdev); | |
1153 | ||
1154 | if (chip) { | |
b177bc91 | 1155 | for (i = 0; i < chip->num_slots; i++) |
b8c86fc5 PO |
1156 | sdhci_pci_remove_slot(chip->slots[i]); |
1157 | ||
1158 | pci_set_drvdata(pdev, NULL); | |
1159 | kfree(chip); | |
1160 | } | |
1161 | ||
1162 | pci_disable_device(pdev); | |
1163 | } | |
1164 | ||
1165 | static struct pci_driver sdhci_driver = { | |
b177bc91 | 1166 | .name = "sdhci-pci", |
b8c86fc5 | 1167 | .id_table = pci_ids, |
b177bc91 | 1168 | .probe = sdhci_pci_probe, |
b8c86fc5 PO |
1169 | .remove = __devexit_p(sdhci_pci_remove), |
1170 | .suspend = sdhci_pci_suspend, | |
1171 | .resume = sdhci_pci_resume, | |
1172 | }; | |
1173 | ||
1174 | /*****************************************************************************\ | |
1175 | * * | |
1176 | * Driver init/exit * | |
1177 | * * | |
1178 | \*****************************************************************************/ | |
1179 | ||
1180 | static int __init sdhci_drv_init(void) | |
1181 | { | |
1182 | return pci_register_driver(&sdhci_driver); | |
1183 | } | |
1184 | ||
1185 | static void __exit sdhci_drv_exit(void) | |
1186 | { | |
1187 | pci_unregister_driver(&sdhci_driver); | |
1188 | } | |
1189 | ||
1190 | module_init(sdhci_drv_init); | |
1191 | module_exit(sdhci_drv_exit); | |
1192 | ||
32710e8f | 1193 | MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>"); |
b8c86fc5 PO |
1194 | MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver"); |
1195 | MODULE_LICENSE("GPL"); |