Commit | Line | Data |
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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> | |
88b47679 | 17 | #include <linux/module.h> |
b8c86fc5 PO |
18 | #include <linux/pci.h> |
19 | #include <linux/dma-mapping.h> | |
5a0e3ad6 | 20 | #include <linux/slab.h> |
ccc92c23 | 21 | #include <linux/device.h> |
b8c86fc5 | 22 | #include <linux/mmc/host.h> |
b177bc91 AP |
23 | #include <linux/scatterlist.h> |
24 | #include <linux/io.h> | |
0f201655 | 25 | #include <linux/gpio.h> |
66fd8ad5 | 26 | #include <linux/pm_runtime.h> |
52c506f0 | 27 | #include <linux/mmc/sdhci-pci-data.h> |
b8c86fc5 PO |
28 | |
29 | #include "sdhci.h" | |
522624f9 | 30 | #include "sdhci-pci.h" |
01acf691 | 31 | #include "sdhci-pci-o2micro.h" |
22606405 PO |
32 | |
33 | /*****************************************************************************\ | |
34 | * * | |
35 | * Hardware specific quirk handling * | |
36 | * * | |
37 | \*****************************************************************************/ | |
38 | ||
39 | static int ricoh_probe(struct sdhci_pci_chip *chip) | |
40 | { | |
c99436fb CB |
41 | if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG || |
42 | chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY) | |
22606405 | 43 | chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET; |
ccc92c23 ML |
44 | return 0; |
45 | } | |
46 | ||
47 | static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot) | |
48 | { | |
49 | slot->host->caps = | |
50 | ((0x21 << SDHCI_TIMEOUT_CLK_SHIFT) | |
51 | & SDHCI_TIMEOUT_CLK_MASK) | | |
22606405 | 52 | |
ccc92c23 ML |
53 | ((0x21 << SDHCI_CLOCK_BASE_SHIFT) |
54 | & SDHCI_CLOCK_BASE_MASK) | | |
55 | ||
56 | SDHCI_TIMEOUT_CLK_UNIT | | |
57 | SDHCI_CAN_VDD_330 | | |
1a1f1f04 | 58 | SDHCI_CAN_DO_HISPD | |
ccc92c23 ML |
59 | SDHCI_CAN_DO_SDMA; |
60 | return 0; | |
61 | } | |
62 | ||
63 | static int ricoh_mmc_resume(struct sdhci_pci_chip *chip) | |
64 | { | |
65 | /* Apply a delay to allow controller to settle */ | |
66 | /* Otherwise it becomes confused if card state changed | |
67 | during suspend */ | |
68 | msleep(500); | |
22606405 PO |
69 | return 0; |
70 | } | |
71 | ||
72 | static const struct sdhci_pci_fixes sdhci_ricoh = { | |
73 | .probe = ricoh_probe, | |
84938294 VK |
74 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | |
75 | SDHCI_QUIRK_FORCE_DMA | | |
76 | SDHCI_QUIRK_CLOCK_BEFORE_RESET, | |
22606405 PO |
77 | }; |
78 | ||
ccc92c23 ML |
79 | static const struct sdhci_pci_fixes sdhci_ricoh_mmc = { |
80 | .probe_slot = ricoh_mmc_probe_slot, | |
81 | .resume = ricoh_mmc_resume, | |
82 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | | |
83 | SDHCI_QUIRK_CLOCK_BEFORE_RESET | | |
84 | SDHCI_QUIRK_NO_CARD_NO_RESET | | |
85 | SDHCI_QUIRK_MISSING_CAPS | |
86 | }; | |
87 | ||
22606405 PO |
88 | static const struct sdhci_pci_fixes sdhci_ene_712 = { |
89 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | | |
90 | SDHCI_QUIRK_BROKEN_DMA, | |
91 | }; | |
92 | ||
93 | static const struct sdhci_pci_fixes sdhci_ene_714 = { | |
94 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | | |
95 | SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS | | |
96 | SDHCI_QUIRK_BROKEN_DMA, | |
97 | }; | |
98 | ||
99 | static const struct sdhci_pci_fixes sdhci_cafe = { | |
100 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER | | |
a0874897 | 101 | SDHCI_QUIRK_NO_BUSY_IRQ | |
55fc05b7 | 102 | SDHCI_QUIRK_BROKEN_CARD_DETECTION | |
ee53ab5d | 103 | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, |
22606405 PO |
104 | }; |
105 | ||
43e968ce DB |
106 | static const struct sdhci_pci_fixes sdhci_intel_qrk = { |
107 | .quirks = SDHCI_QUIRK_NO_HISPD_BIT, | |
108 | }; | |
109 | ||
68077b02 ML |
110 | static int mrst_hc_probe_slot(struct sdhci_pci_slot *slot) |
111 | { | |
112 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; | |
113 | return 0; | |
114 | } | |
115 | ||
f9ee3eab AC |
116 | /* |
117 | * ADMA operation is disabled for Moorestown platform due to | |
118 | * hardware bugs. | |
119 | */ | |
35ac6f08 | 120 | static int mrst_hc_probe(struct sdhci_pci_chip *chip) |
f9ee3eab AC |
121 | { |
122 | /* | |
35ac6f08 JP |
123 | * slots number is fixed here for MRST as SDIO3/5 are never used and |
124 | * have hardware bugs. | |
f9ee3eab AC |
125 | */ |
126 | chip->num_slots = 1; | |
127 | return 0; | |
128 | } | |
129 | ||
296e0b03 AS |
130 | static int pch_hc_probe_slot(struct sdhci_pci_slot *slot) |
131 | { | |
132 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; | |
133 | return 0; | |
134 | } | |
135 | ||
66fd8ad5 AH |
136 | #ifdef CONFIG_PM_RUNTIME |
137 | ||
c5e027a4 | 138 | static irqreturn_t sdhci_pci_sd_cd(int irq, void *dev_id) |
66fd8ad5 AH |
139 | { |
140 | struct sdhci_pci_slot *slot = dev_id; | |
141 | struct sdhci_host *host = slot->host; | |
142 | ||
143 | mmc_detect_change(host->mmc, msecs_to_jiffies(200)); | |
144 | return IRQ_HANDLED; | |
145 | } | |
146 | ||
c5e027a4 | 147 | static void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot) |
66fd8ad5 | 148 | { |
c5e027a4 | 149 | int err, irq, gpio = slot->cd_gpio; |
66fd8ad5 AH |
150 | |
151 | slot->cd_gpio = -EINVAL; | |
152 | slot->cd_irq = -EINVAL; | |
153 | ||
c5e027a4 AH |
154 | if (!gpio_is_valid(gpio)) |
155 | return; | |
156 | ||
66fd8ad5 AH |
157 | err = gpio_request(gpio, "sd_cd"); |
158 | if (err < 0) | |
159 | goto out; | |
160 | ||
161 | err = gpio_direction_input(gpio); | |
162 | if (err < 0) | |
163 | goto out_free; | |
164 | ||
165 | irq = gpio_to_irq(gpio); | |
166 | if (irq < 0) | |
167 | goto out_free; | |
168 | ||
c5e027a4 | 169 | err = request_irq(irq, sdhci_pci_sd_cd, IRQF_TRIGGER_RISING | |
66fd8ad5 AH |
170 | IRQF_TRIGGER_FALLING, "sd_cd", slot); |
171 | if (err) | |
172 | goto out_free; | |
173 | ||
174 | slot->cd_gpio = gpio; | |
175 | slot->cd_irq = irq; | |
66fd8ad5 | 176 | |
c5e027a4 | 177 | return; |
66fd8ad5 AH |
178 | |
179 | out_free: | |
180 | gpio_free(gpio); | |
181 | out: | |
182 | dev_warn(&slot->chip->pdev->dev, "failed to setup card detect wake up\n"); | |
66fd8ad5 AH |
183 | } |
184 | ||
c5e027a4 | 185 | static void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot) |
66fd8ad5 AH |
186 | { |
187 | if (slot->cd_irq >= 0) | |
188 | free_irq(slot->cd_irq, slot); | |
c5e027a4 AH |
189 | if (gpio_is_valid(slot->cd_gpio)) |
190 | gpio_free(slot->cd_gpio); | |
66fd8ad5 AH |
191 | } |
192 | ||
193 | #else | |
194 | ||
c5e027a4 AH |
195 | static inline void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot) |
196 | { | |
197 | } | |
198 | ||
199 | static inline void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot) | |
200 | { | |
201 | } | |
66fd8ad5 AH |
202 | |
203 | #endif | |
204 | ||
0d013bcf AH |
205 | static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot) |
206 | { | |
66fd8ad5 | 207 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE; |
da721cf7 AH |
208 | slot->host->mmc->caps2 |= MMC_CAP2_BOOTPART_NOACC | |
209 | MMC_CAP2_HC_ERASE_SZ; | |
0d013bcf AH |
210 | return 0; |
211 | } | |
212 | ||
93933508 AH |
213 | static int mfd_sdio_probe_slot(struct sdhci_pci_slot *slot) |
214 | { | |
012e4671 | 215 | slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE; |
93933508 AH |
216 | return 0; |
217 | } | |
218 | ||
f9ee3eab AC |
219 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = { |
220 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, | |
68077b02 | 221 | .probe_slot = mrst_hc_probe_slot, |
f9ee3eab AC |
222 | }; |
223 | ||
35ac6f08 | 224 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = { |
f9ee3eab | 225 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, |
35ac6f08 | 226 | .probe = mrst_hc_probe, |
f9ee3eab AC |
227 | }; |
228 | ||
29229052 XS |
229 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = { |
230 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
c43fd774 | 231 | .allow_runtime_pm = true, |
77a0122e | 232 | .own_cd_for_runtime_pm = true, |
29229052 XS |
233 | }; |
234 | ||
0d013bcf AH |
235 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sdio = { |
236 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
f3c55a7b | 237 | .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON, |
c43fd774 | 238 | .allow_runtime_pm = true, |
93933508 | 239 | .probe_slot = mfd_sdio_probe_slot, |
0d013bcf AH |
240 | }; |
241 | ||
242 | static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc = { | |
29229052 | 243 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
c43fd774 | 244 | .allow_runtime_pm = true, |
0d013bcf | 245 | .probe_slot = mfd_emmc_probe_slot, |
29229052 XS |
246 | }; |
247 | ||
296e0b03 AS |
248 | static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = { |
249 | .quirks = SDHCI_QUIRK_BROKEN_ADMA, | |
250 | .probe_slot = pch_hc_probe_slot, | |
251 | }; | |
252 | ||
c9faff6c AH |
253 | static void sdhci_pci_int_hw_reset(struct sdhci_host *host) |
254 | { | |
255 | u8 reg; | |
256 | ||
257 | reg = sdhci_readb(host, SDHCI_POWER_CONTROL); | |
258 | reg |= 0x10; | |
259 | sdhci_writeb(host, reg, SDHCI_POWER_CONTROL); | |
260 | /* For eMMC, minimum is 1us but give it 9us for good measure */ | |
261 | udelay(9); | |
262 | reg &= ~0x10; | |
263 | sdhci_writeb(host, reg, SDHCI_POWER_CONTROL); | |
264 | /* For eMMC, minimum is 200us but give it 300us for good measure */ | |
265 | usleep_range(300, 1000); | |
266 | } | |
267 | ||
728ef3d1 AH |
268 | static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) |
269 | { | |
c9faff6c | 270 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | |
f25c3372 | 271 | MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR; |
728ef3d1 | 272 | slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; |
c9faff6c | 273 | slot->hw_reset = sdhci_pci_int_hw_reset; |
728ef3d1 AH |
274 | return 0; |
275 | } | |
276 | ||
277 | static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) | |
278 | { | |
279 | slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE; | |
280 | return 0; | |
281 | } | |
282 | ||
283 | static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = { | |
284 | .allow_runtime_pm = true, | |
285 | .probe_slot = byt_emmc_probe_slot, | |
d61b5946 | 286 | .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, |
728ef3d1 AH |
287 | }; |
288 | ||
289 | static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = { | |
290 | .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON, | |
291 | .allow_runtime_pm = true, | |
292 | .probe_slot = byt_sdio_probe_slot, | |
293 | }; | |
294 | ||
295 | static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { | |
7396e318 AH |
296 | .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON, |
297 | .allow_runtime_pm = true, | |
77a0122e | 298 | .own_cd_for_runtime_pm = true, |
728ef3d1 AH |
299 | }; |
300 | ||
8776a165 DC |
301 | /* Define Host controllers for Intel Merrifield platform */ |
302 | #define INTEL_MRFL_EMMC_0 0 | |
303 | #define INTEL_MRFL_EMMC_1 1 | |
304 | ||
305 | static int intel_mrfl_mmc_probe_slot(struct sdhci_pci_slot *slot) | |
306 | { | |
307 | if ((PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_0) && | |
308 | (PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_1)) | |
309 | /* SD support is not ready yet */ | |
310 | return -ENODEV; | |
311 | ||
312 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | | |
313 | MMC_CAP_1_8V_DDR; | |
314 | ||
315 | return 0; | |
316 | } | |
317 | ||
318 | static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = { | |
319 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
390145f9 | 320 | .quirks2 = SDHCI_QUIRK2_BROKEN_HS200, |
8776a165 DC |
321 | .probe_slot = intel_mrfl_mmc_probe_slot, |
322 | }; | |
323 | ||
26daa1ed JL |
324 | /* O2Micro extra registers */ |
325 | #define O2_SD_LOCK_WP 0xD3 | |
326 | #define O2_SD_MULTI_VCC3V 0xEE | |
327 | #define O2_SD_CLKREQ 0xEC | |
328 | #define O2_SD_CAPS 0xE0 | |
329 | #define O2_SD_ADMA1 0xE2 | |
330 | #define O2_SD_ADMA2 0xE7 | |
331 | #define O2_SD_INF_MOD 0xF1 | |
332 | ||
45211e21 PO |
333 | static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) |
334 | { | |
335 | u8 scratch; | |
336 | int ret; | |
337 | ||
338 | ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch); | |
339 | if (ret) | |
340 | return ret; | |
341 | ||
342 | /* | |
343 | * Turn PMOS on [bit 0], set over current detection to 2.4 V | |
344 | * [bit 1:2] and enable over current debouncing [bit 6]. | |
345 | */ | |
346 | if (on) | |
347 | scratch |= 0x47; | |
348 | else | |
349 | scratch &= ~0x47; | |
350 | ||
351 | ret = pci_write_config_byte(chip->pdev, 0xAE, scratch); | |
352 | if (ret) | |
353 | return ret; | |
354 | ||
355 | return 0; | |
356 | } | |
357 | ||
358 | static int jmicron_probe(struct sdhci_pci_chip *chip) | |
359 | { | |
360 | int ret; | |
8f230f45 | 361 | u16 mmcdev = 0; |
45211e21 | 362 | |
93fc48c7 PO |
363 | if (chip->pdev->revision == 0) { |
364 | chip->quirks |= SDHCI_QUIRK_32BIT_DMA_ADDR | | |
365 | SDHCI_QUIRK_32BIT_DMA_SIZE | | |
2134a922 | 366 | SDHCI_QUIRK_32BIT_ADMA_SIZE | |
4a3cba32 | 367 | SDHCI_QUIRK_RESET_AFTER_REQUEST | |
86a6a874 | 368 | SDHCI_QUIRK_BROKEN_SMALL_PIO; |
93fc48c7 PO |
369 | } |
370 | ||
4489428a PO |
371 | /* |
372 | * JMicron chips can have two interfaces to the same hardware | |
373 | * in order to work around limitations in Microsoft's driver. | |
374 | * We need to make sure we only bind to one of them. | |
375 | * | |
376 | * This code assumes two things: | |
377 | * | |
378 | * 1. The PCI code adds subfunctions in order. | |
379 | * | |
380 | * 2. The MMC interface has a lower subfunction number | |
381 | * than the SD interface. | |
382 | */ | |
8f230f45 TI |
383 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_SD) |
384 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB38X_MMC; | |
385 | else if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD) | |
386 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB388_ESD; | |
387 | ||
388 | if (mmcdev) { | |
4489428a PO |
389 | struct pci_dev *sd_dev; |
390 | ||
391 | sd_dev = NULL; | |
392 | while ((sd_dev = pci_get_device(PCI_VENDOR_ID_JMICRON, | |
8f230f45 | 393 | mmcdev, sd_dev)) != NULL) { |
4489428a PO |
394 | if ((PCI_SLOT(chip->pdev->devfn) == |
395 | PCI_SLOT(sd_dev->devfn)) && | |
396 | (chip->pdev->bus == sd_dev->bus)) | |
397 | break; | |
398 | } | |
399 | ||
400 | if (sd_dev) { | |
401 | pci_dev_put(sd_dev); | |
402 | dev_info(&chip->pdev->dev, "Refusing to bind to " | |
403 | "secondary interface.\n"); | |
404 | return -ENODEV; | |
405 | } | |
406 | } | |
407 | ||
45211e21 PO |
408 | /* |
409 | * JMicron chips need a bit of a nudge to enable the power | |
410 | * output pins. | |
411 | */ | |
412 | ret = jmicron_pmos(chip, 1); | |
413 | if (ret) { | |
414 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); | |
415 | return ret; | |
416 | } | |
417 | ||
82b0e23a TI |
418 | /* quirk for unsable RO-detection on JM388 chips */ |
419 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD || | |
420 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
421 | chip->quirks |= SDHCI_QUIRK_UNSTABLE_RO_DETECT; | |
422 | ||
45211e21 PO |
423 | return 0; |
424 | } | |
425 | ||
4489428a PO |
426 | static void jmicron_enable_mmc(struct sdhci_host *host, int on) |
427 | { | |
428 | u8 scratch; | |
429 | ||
430 | scratch = readb(host->ioaddr + 0xC0); | |
431 | ||
432 | if (on) | |
433 | scratch |= 0x01; | |
434 | else | |
435 | scratch &= ~0x01; | |
436 | ||
437 | writeb(scratch, host->ioaddr + 0xC0); | |
438 | } | |
439 | ||
440 | static int jmicron_probe_slot(struct sdhci_pci_slot *slot) | |
441 | { | |
2134a922 PO |
442 | if (slot->chip->pdev->revision == 0) { |
443 | u16 version; | |
444 | ||
445 | version = readl(slot->host->ioaddr + SDHCI_HOST_VERSION); | |
446 | version = (version & SDHCI_VENDOR_VER_MASK) >> | |
447 | SDHCI_VENDOR_VER_SHIFT; | |
448 | ||
449 | /* | |
450 | * Older versions of the chip have lots of nasty glitches | |
451 | * in the ADMA engine. It's best just to avoid it | |
452 | * completely. | |
453 | */ | |
454 | if (version < 0xAC) | |
455 | slot->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; | |
456 | } | |
457 | ||
8f230f45 TI |
458 | /* JM388 MMC doesn't support 1.8V while SD supports it */ |
459 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
460 | slot->host->ocr_avail_sd = MMC_VDD_32_33 | MMC_VDD_33_34 | | |
461 | MMC_VDD_29_30 | MMC_VDD_30_31 | | |
462 | MMC_VDD_165_195; /* allow 1.8V */ | |
463 | slot->host->ocr_avail_mmc = MMC_VDD_32_33 | MMC_VDD_33_34 | | |
464 | MMC_VDD_29_30 | MMC_VDD_30_31; /* no 1.8V for MMC */ | |
465 | } | |
466 | ||
4489428a PO |
467 | /* |
468 | * The secondary interface requires a bit set to get the | |
469 | * interrupts. | |
470 | */ | |
8f230f45 TI |
471 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
472 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
4489428a PO |
473 | jmicron_enable_mmc(slot->host, 1); |
474 | ||
d75c1084 TI |
475 | slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST; |
476 | ||
4489428a PO |
477 | return 0; |
478 | } | |
479 | ||
1e72859e | 480 | static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead) |
4489428a | 481 | { |
1e72859e PO |
482 | if (dead) |
483 | return; | |
484 | ||
8f230f45 TI |
485 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
486 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
4489428a PO |
487 | jmicron_enable_mmc(slot->host, 0); |
488 | } | |
489 | ||
29495aa0 | 490 | static int jmicron_suspend(struct sdhci_pci_chip *chip) |
4489428a PO |
491 | { |
492 | int i; | |
493 | ||
8f230f45 TI |
494 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
495 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
b177bc91 | 496 | for (i = 0; i < chip->num_slots; i++) |
4489428a PO |
497 | jmicron_enable_mmc(chip->slots[i]->host, 0); |
498 | } | |
499 | ||
500 | return 0; | |
501 | } | |
502 | ||
45211e21 PO |
503 | static int jmicron_resume(struct sdhci_pci_chip *chip) |
504 | { | |
4489428a PO |
505 | int ret, i; |
506 | ||
8f230f45 TI |
507 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
508 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
b177bc91 | 509 | for (i = 0; i < chip->num_slots; i++) |
4489428a PO |
510 | jmicron_enable_mmc(chip->slots[i]->host, 1); |
511 | } | |
45211e21 PO |
512 | |
513 | ret = jmicron_pmos(chip, 1); | |
514 | if (ret) { | |
515 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); | |
516 | return ret; | |
517 | } | |
518 | ||
519 | return 0; | |
520 | } | |
521 | ||
26daa1ed | 522 | static const struct sdhci_pci_fixes sdhci_o2 = { |
01acf691 AL |
523 | .probe = sdhci_pci_o2_probe, |
524 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
525 | .probe_slot = sdhci_pci_o2_probe_slot, | |
526 | .resume = sdhci_pci_o2_resume, | |
26daa1ed JL |
527 | }; |
528 | ||
22606405 | 529 | static const struct sdhci_pci_fixes sdhci_jmicron = { |
45211e21 PO |
530 | .probe = jmicron_probe, |
531 | ||
4489428a PO |
532 | .probe_slot = jmicron_probe_slot, |
533 | .remove_slot = jmicron_remove_slot, | |
534 | ||
535 | .suspend = jmicron_suspend, | |
45211e21 | 536 | .resume = jmicron_resume, |
22606405 PO |
537 | }; |
538 | ||
a7a6186c NP |
539 | /* SysKonnect CardBus2SDIO extra registers */ |
540 | #define SYSKT_CTRL 0x200 | |
541 | #define SYSKT_RDFIFO_STAT 0x204 | |
542 | #define SYSKT_WRFIFO_STAT 0x208 | |
543 | #define SYSKT_POWER_DATA 0x20c | |
544 | #define SYSKT_POWER_330 0xef | |
545 | #define SYSKT_POWER_300 0xf8 | |
546 | #define SYSKT_POWER_184 0xcc | |
547 | #define SYSKT_POWER_CMD 0x20d | |
548 | #define SYSKT_POWER_START (1 << 7) | |
549 | #define SYSKT_POWER_STATUS 0x20e | |
550 | #define SYSKT_POWER_STATUS_OK (1 << 0) | |
551 | #define SYSKT_BOARD_REV 0x210 | |
552 | #define SYSKT_CHIP_REV 0x211 | |
553 | #define SYSKT_CONF_DATA 0x212 | |
554 | #define SYSKT_CONF_DATA_1V8 (1 << 2) | |
555 | #define SYSKT_CONF_DATA_2V5 (1 << 1) | |
556 | #define SYSKT_CONF_DATA_3V3 (1 << 0) | |
557 | ||
558 | static int syskt_probe(struct sdhci_pci_chip *chip) | |
559 | { | |
560 | if ((chip->pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { | |
561 | chip->pdev->class &= ~0x0000FF; | |
562 | chip->pdev->class |= PCI_SDHCI_IFDMA; | |
563 | } | |
564 | return 0; | |
565 | } | |
566 | ||
567 | static int syskt_probe_slot(struct sdhci_pci_slot *slot) | |
568 | { | |
569 | int tm, ps; | |
570 | ||
571 | u8 board_rev = readb(slot->host->ioaddr + SYSKT_BOARD_REV); | |
572 | u8 chip_rev = readb(slot->host->ioaddr + SYSKT_CHIP_REV); | |
573 | dev_info(&slot->chip->pdev->dev, "SysKonnect CardBus2SDIO, " | |
574 | "board rev %d.%d, chip rev %d.%d\n", | |
575 | board_rev >> 4, board_rev & 0xf, | |
576 | chip_rev >> 4, chip_rev & 0xf); | |
577 | if (chip_rev >= 0x20) | |
578 | slot->host->quirks |= SDHCI_QUIRK_FORCE_DMA; | |
579 | ||
580 | writeb(SYSKT_POWER_330, slot->host->ioaddr + SYSKT_POWER_DATA); | |
581 | writeb(SYSKT_POWER_START, slot->host->ioaddr + SYSKT_POWER_CMD); | |
582 | udelay(50); | |
583 | tm = 10; /* Wait max 1 ms */ | |
584 | do { | |
585 | ps = readw(slot->host->ioaddr + SYSKT_POWER_STATUS); | |
586 | if (ps & SYSKT_POWER_STATUS_OK) | |
587 | break; | |
588 | udelay(100); | |
589 | } while (--tm); | |
590 | if (!tm) { | |
591 | dev_err(&slot->chip->pdev->dev, | |
592 | "power regulator never stabilized"); | |
593 | writeb(0, slot->host->ioaddr + SYSKT_POWER_CMD); | |
594 | return -ENODEV; | |
595 | } | |
596 | ||
597 | return 0; | |
598 | } | |
599 | ||
600 | static const struct sdhci_pci_fixes sdhci_syskt = { | |
601 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER, | |
602 | .probe = syskt_probe, | |
603 | .probe_slot = syskt_probe_slot, | |
604 | }; | |
605 | ||
557b0697 HW |
606 | static int via_probe(struct sdhci_pci_chip *chip) |
607 | { | |
608 | if (chip->pdev->revision == 0x10) | |
609 | chip->quirks |= SDHCI_QUIRK_DELAY_AFTER_POWER; | |
610 | ||
611 | return 0; | |
612 | } | |
613 | ||
614 | static const struct sdhci_pci_fixes sdhci_via = { | |
615 | .probe = via_probe, | |
616 | }; | |
617 | ||
9107ebbf MC |
618 | static int rtsx_probe_slot(struct sdhci_pci_slot *slot) |
619 | { | |
620 | slot->host->mmc->caps2 |= MMC_CAP2_HS200; | |
621 | return 0; | |
622 | } | |
623 | ||
624 | static const struct sdhci_pci_fixes sdhci_rtsx = { | |
625 | .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | | |
626 | SDHCI_QUIRK2_BROKEN_DDR50, | |
627 | .probe_slot = rtsx_probe_slot, | |
628 | }; | |
629 | ||
9647f84d | 630 | static const struct pci_device_id pci_ids[] = { |
b8c86fc5 PO |
631 | { |
632 | .vendor = PCI_VENDOR_ID_RICOH, | |
633 | .device = PCI_DEVICE_ID_RICOH_R5C822, | |
22606405 | 634 | .subvendor = PCI_ANY_ID, |
b8c86fc5 | 635 | .subdevice = PCI_ANY_ID, |
22606405 | 636 | .driver_data = (kernel_ulong_t)&sdhci_ricoh, |
b8c86fc5 PO |
637 | }, |
638 | ||
ccc92c23 ML |
639 | { |
640 | .vendor = PCI_VENDOR_ID_RICOH, | |
641 | .device = 0x843, | |
642 | .subvendor = PCI_ANY_ID, | |
643 | .subdevice = PCI_ANY_ID, | |
644 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
645 | }, | |
646 | ||
568133eb PC |
647 | { |
648 | .vendor = PCI_VENDOR_ID_RICOH, | |
649 | .device = 0xe822, | |
650 | .subvendor = PCI_ANY_ID, | |
651 | .subdevice = PCI_ANY_ID, | |
652 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
653 | }, | |
654 | ||
5fd11c07 MI |
655 | { |
656 | .vendor = PCI_VENDOR_ID_RICOH, | |
657 | .device = 0xe823, | |
658 | .subvendor = PCI_ANY_ID, | |
659 | .subdevice = PCI_ANY_ID, | |
660 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
661 | }, | |
662 | ||
b8c86fc5 PO |
663 | { |
664 | .vendor = PCI_VENDOR_ID_ENE, | |
665 | .device = PCI_DEVICE_ID_ENE_CB712_SD, | |
666 | .subvendor = PCI_ANY_ID, | |
667 | .subdevice = PCI_ANY_ID, | |
22606405 | 668 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
b8c86fc5 PO |
669 | }, |
670 | ||
671 | { | |
672 | .vendor = PCI_VENDOR_ID_ENE, | |
673 | .device = PCI_DEVICE_ID_ENE_CB712_SD_2, | |
674 | .subvendor = PCI_ANY_ID, | |
675 | .subdevice = PCI_ANY_ID, | |
22606405 | 676 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
b8c86fc5 PO |
677 | }, |
678 | ||
679 | { | |
680 | .vendor = PCI_VENDOR_ID_ENE, | |
681 | .device = PCI_DEVICE_ID_ENE_CB714_SD, | |
682 | .subvendor = PCI_ANY_ID, | |
683 | .subdevice = PCI_ANY_ID, | |
22606405 | 684 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
b8c86fc5 PO |
685 | }, |
686 | ||
687 | { | |
688 | .vendor = PCI_VENDOR_ID_ENE, | |
689 | .device = PCI_DEVICE_ID_ENE_CB714_SD_2, | |
690 | .subvendor = PCI_ANY_ID, | |
691 | .subdevice = PCI_ANY_ID, | |
22606405 | 692 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
b8c86fc5 PO |
693 | }, |
694 | ||
695 | { | |
696 | .vendor = PCI_VENDOR_ID_MARVELL, | |
8c5eb880 | 697 | .device = PCI_DEVICE_ID_MARVELL_88ALP01_SD, |
b8c86fc5 PO |
698 | .subvendor = PCI_ANY_ID, |
699 | .subdevice = PCI_ANY_ID, | |
22606405 | 700 | .driver_data = (kernel_ulong_t)&sdhci_cafe, |
b8c86fc5 PO |
701 | }, |
702 | ||
703 | { | |
704 | .vendor = PCI_VENDOR_ID_JMICRON, | |
705 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_SD, | |
706 | .subvendor = PCI_ANY_ID, | |
707 | .subdevice = PCI_ANY_ID, | |
22606405 | 708 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
b8c86fc5 PO |
709 | }, |
710 | ||
4489428a PO |
711 | { |
712 | .vendor = PCI_VENDOR_ID_JMICRON, | |
713 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_MMC, | |
714 | .subvendor = PCI_ANY_ID, | |
715 | .subdevice = PCI_ANY_ID, | |
716 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
8f230f45 TI |
717 | }, |
718 | ||
719 | { | |
720 | .vendor = PCI_VENDOR_ID_JMICRON, | |
721 | .device = PCI_DEVICE_ID_JMICRON_JMB388_SD, | |
722 | .subvendor = PCI_ANY_ID, | |
723 | .subdevice = PCI_ANY_ID, | |
724 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
725 | }, | |
726 | ||
727 | { | |
728 | .vendor = PCI_VENDOR_ID_JMICRON, | |
729 | .device = PCI_DEVICE_ID_JMICRON_JMB388_ESD, | |
730 | .subvendor = PCI_ANY_ID, | |
731 | .subdevice = PCI_ANY_ID, | |
732 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
4489428a PO |
733 | }, |
734 | ||
a7a6186c NP |
735 | { |
736 | .vendor = PCI_VENDOR_ID_SYSKONNECT, | |
737 | .device = 0x8000, | |
738 | .subvendor = PCI_ANY_ID, | |
739 | .subdevice = PCI_ANY_ID, | |
740 | .driver_data = (kernel_ulong_t)&sdhci_syskt, | |
741 | }, | |
742 | ||
557b0697 HW |
743 | { |
744 | .vendor = PCI_VENDOR_ID_VIA, | |
745 | .device = 0x95d0, | |
746 | .subvendor = PCI_ANY_ID, | |
747 | .subdevice = PCI_ANY_ID, | |
748 | .driver_data = (kernel_ulong_t)&sdhci_via, | |
9107ebbf MC |
749 | }, |
750 | ||
751 | { | |
752 | .vendor = PCI_VENDOR_ID_REALTEK, | |
753 | .device = 0x5250, | |
754 | .subvendor = PCI_ANY_ID, | |
755 | .subdevice = PCI_ANY_ID, | |
756 | .driver_data = (kernel_ulong_t)&sdhci_rtsx, | |
557b0697 HW |
757 | }, |
758 | ||
43e968ce DB |
759 | { |
760 | .vendor = PCI_VENDOR_ID_INTEL, | |
761 | .device = PCI_DEVICE_ID_INTEL_QRK_SD, | |
762 | .subvendor = PCI_ANY_ID, | |
763 | .subdevice = PCI_ANY_ID, | |
764 | .driver_data = (kernel_ulong_t)&sdhci_intel_qrk, | |
765 | }, | |
766 | ||
29229052 XS |
767 | { |
768 | .vendor = PCI_VENDOR_ID_INTEL, | |
f9ee3eab AC |
769 | .device = PCI_DEVICE_ID_INTEL_MRST_SD0, |
770 | .subvendor = PCI_ANY_ID, | |
771 | .subdevice = PCI_ANY_ID, | |
772 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc0, | |
773 | }, | |
774 | ||
775 | { | |
776 | .vendor = PCI_VENDOR_ID_INTEL, | |
777 | .device = PCI_DEVICE_ID_INTEL_MRST_SD1, | |
778 | .subvendor = PCI_ANY_ID, | |
779 | .subdevice = PCI_ANY_ID, | |
35ac6f08 JP |
780 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, |
781 | }, | |
782 | ||
783 | { | |
784 | .vendor = PCI_VENDOR_ID_INTEL, | |
785 | .device = PCI_DEVICE_ID_INTEL_MRST_SD2, | |
786 | .subvendor = PCI_ANY_ID, | |
787 | .subdevice = PCI_ANY_ID, | |
788 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, | |
f9ee3eab AC |
789 | }, |
790 | ||
791 | { | |
792 | .vendor = PCI_VENDOR_ID_INTEL, | |
29229052 XS |
793 | .device = PCI_DEVICE_ID_INTEL_MFD_SD, |
794 | .subvendor = PCI_ANY_ID, | |
795 | .subdevice = PCI_ANY_ID, | |
796 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, | |
797 | }, | |
798 | ||
799 | { | |
800 | .vendor = PCI_VENDOR_ID_INTEL, | |
801 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO1, | |
802 | .subvendor = PCI_ANY_ID, | |
803 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 804 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
29229052 XS |
805 | }, |
806 | ||
807 | { | |
808 | .vendor = PCI_VENDOR_ID_INTEL, | |
809 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO2, | |
810 | .subvendor = PCI_ANY_ID, | |
811 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 812 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
29229052 XS |
813 | }, |
814 | ||
815 | { | |
816 | .vendor = PCI_VENDOR_ID_INTEL, | |
817 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC0, | |
818 | .subvendor = PCI_ANY_ID, | |
819 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 820 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
29229052 XS |
821 | }, |
822 | ||
823 | { | |
824 | .vendor = PCI_VENDOR_ID_INTEL, | |
825 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC1, | |
826 | .subvendor = PCI_ANY_ID, | |
827 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 828 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
29229052 XS |
829 | }, |
830 | ||
296e0b03 AS |
831 | { |
832 | .vendor = PCI_VENDOR_ID_INTEL, | |
833 | .device = PCI_DEVICE_ID_INTEL_PCH_SDIO0, | |
834 | .subvendor = PCI_ANY_ID, | |
835 | .subdevice = PCI_ANY_ID, | |
836 | .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, | |
837 | }, | |
838 | ||
839 | { | |
840 | .vendor = PCI_VENDOR_ID_INTEL, | |
841 | .device = PCI_DEVICE_ID_INTEL_PCH_SDIO1, | |
842 | .subvendor = PCI_ANY_ID, | |
843 | .subdevice = PCI_ANY_ID, | |
844 | .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, | |
845 | }, | |
846 | ||
728ef3d1 AH |
847 | { |
848 | .vendor = PCI_VENDOR_ID_INTEL, | |
849 | .device = PCI_DEVICE_ID_INTEL_BYT_EMMC, | |
850 | .subvendor = PCI_ANY_ID, | |
851 | .subdevice = PCI_ANY_ID, | |
852 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
853 | }, | |
854 | ||
855 | { | |
856 | .vendor = PCI_VENDOR_ID_INTEL, | |
857 | .device = PCI_DEVICE_ID_INTEL_BYT_SDIO, | |
858 | .subvendor = PCI_ANY_ID, | |
859 | .subdevice = PCI_ANY_ID, | |
860 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, | |
861 | }, | |
862 | ||
863 | { | |
864 | .vendor = PCI_VENDOR_ID_INTEL, | |
865 | .device = PCI_DEVICE_ID_INTEL_BYT_SD, | |
866 | .subvendor = PCI_ANY_ID, | |
867 | .subdevice = PCI_ANY_ID, | |
868 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, | |
869 | }, | |
870 | ||
30d025c0 AH |
871 | { |
872 | .vendor = PCI_VENDOR_ID_INTEL, | |
873 | .device = PCI_DEVICE_ID_INTEL_BYT_EMMC2, | |
874 | .subvendor = PCI_ANY_ID, | |
875 | .subdevice = PCI_ANY_ID, | |
876 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
877 | }, | |
878 | ||
d052068a EE |
879 | |
880 | { | |
881 | .vendor = PCI_VENDOR_ID_INTEL, | |
882 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO0, | |
883 | .subvendor = PCI_ANY_ID, | |
884 | .subdevice = PCI_ANY_ID, | |
885 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, | |
886 | }, | |
887 | ||
888 | { | |
889 | .vendor = PCI_VENDOR_ID_INTEL, | |
890 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO1, | |
891 | .subvendor = PCI_ANY_ID, | |
892 | .subdevice = PCI_ANY_ID, | |
893 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, | |
894 | }, | |
895 | ||
896 | { | |
897 | .vendor = PCI_VENDOR_ID_INTEL, | |
898 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO2, | |
899 | .subvendor = PCI_ANY_ID, | |
900 | .subdevice = PCI_ANY_ID, | |
901 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, | |
902 | }, | |
903 | ||
904 | { | |
905 | .vendor = PCI_VENDOR_ID_INTEL, | |
906 | .device = PCI_DEVICE_ID_INTEL_CLV_EMMC0, | |
907 | .subvendor = PCI_ANY_ID, | |
908 | .subdevice = PCI_ANY_ID, | |
909 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, | |
910 | }, | |
911 | ||
912 | { | |
913 | .vendor = PCI_VENDOR_ID_INTEL, | |
914 | .device = PCI_DEVICE_ID_INTEL_CLV_EMMC1, | |
915 | .subvendor = PCI_ANY_ID, | |
916 | .subdevice = PCI_ANY_ID, | |
917 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, | |
918 | }, | |
919 | ||
8776a165 DC |
920 | { |
921 | .vendor = PCI_VENDOR_ID_INTEL, | |
922 | .device = PCI_DEVICE_ID_INTEL_MRFL_MMC, | |
923 | .subvendor = PCI_ANY_ID, | |
924 | .subdevice = PCI_ANY_ID, | |
925 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrfl_mmc, | |
926 | }, | |
26daa1ed JL |
927 | { |
928 | .vendor = PCI_VENDOR_ID_O2, | |
929 | .device = PCI_DEVICE_ID_O2_8120, | |
930 | .subvendor = PCI_ANY_ID, | |
931 | .subdevice = PCI_ANY_ID, | |
932 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
933 | }, | |
934 | ||
935 | { | |
936 | .vendor = PCI_VENDOR_ID_O2, | |
937 | .device = PCI_DEVICE_ID_O2_8220, | |
938 | .subvendor = PCI_ANY_ID, | |
939 | .subdevice = PCI_ANY_ID, | |
940 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
941 | }, | |
942 | ||
943 | { | |
944 | .vendor = PCI_VENDOR_ID_O2, | |
945 | .device = PCI_DEVICE_ID_O2_8221, | |
946 | .subvendor = PCI_ANY_ID, | |
947 | .subdevice = PCI_ANY_ID, | |
948 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
949 | }, | |
950 | ||
951 | { | |
952 | .vendor = PCI_VENDOR_ID_O2, | |
953 | .device = PCI_DEVICE_ID_O2_8320, | |
954 | .subvendor = PCI_ANY_ID, | |
955 | .subdevice = PCI_ANY_ID, | |
956 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
957 | }, | |
958 | ||
959 | { | |
960 | .vendor = PCI_VENDOR_ID_O2, | |
961 | .device = PCI_DEVICE_ID_O2_8321, | |
962 | .subvendor = PCI_ANY_ID, | |
963 | .subdevice = PCI_ANY_ID, | |
964 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
965 | }, | |
966 | ||
01acf691 AL |
967 | { |
968 | .vendor = PCI_VENDOR_ID_O2, | |
969 | .device = PCI_DEVICE_ID_O2_FUJIN2, | |
970 | .subvendor = PCI_ANY_ID, | |
971 | .subdevice = PCI_ANY_ID, | |
972 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
973 | }, | |
974 | ||
975 | { | |
976 | .vendor = PCI_VENDOR_ID_O2, | |
977 | .device = PCI_DEVICE_ID_O2_SDS0, | |
978 | .subvendor = PCI_ANY_ID, | |
979 | .subdevice = PCI_ANY_ID, | |
980 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
981 | }, | |
982 | ||
983 | { | |
984 | .vendor = PCI_VENDOR_ID_O2, | |
985 | .device = PCI_DEVICE_ID_O2_SDS1, | |
986 | .subvendor = PCI_ANY_ID, | |
987 | .subdevice = PCI_ANY_ID, | |
988 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
989 | }, | |
990 | ||
991 | { | |
992 | .vendor = PCI_VENDOR_ID_O2, | |
993 | .device = PCI_DEVICE_ID_O2_SEABIRD0, | |
994 | .subvendor = PCI_ANY_ID, | |
995 | .subdevice = PCI_ANY_ID, | |
996 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
997 | }, | |
998 | ||
999 | { | |
1000 | .vendor = PCI_VENDOR_ID_O2, | |
1001 | .device = PCI_DEVICE_ID_O2_SEABIRD1, | |
1002 | .subvendor = PCI_ANY_ID, | |
1003 | .subdevice = PCI_ANY_ID, | |
1004 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1005 | }, | |
1006 | ||
b8c86fc5 PO |
1007 | { /* Generic SD host controller */ |
1008 | PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00) | |
1009 | }, | |
1010 | ||
1011 | { /* end: all zeroes */ }, | |
1012 | }; | |
1013 | ||
1014 | MODULE_DEVICE_TABLE(pci, pci_ids); | |
1015 | ||
b8c86fc5 PO |
1016 | /*****************************************************************************\ |
1017 | * * | |
1018 | * SDHCI core callbacks * | |
1019 | * * | |
1020 | \*****************************************************************************/ | |
1021 | ||
1022 | static int sdhci_pci_enable_dma(struct sdhci_host *host) | |
1023 | { | |
1024 | struct sdhci_pci_slot *slot; | |
1025 | struct pci_dev *pdev; | |
1026 | int ret; | |
1027 | ||
1028 | slot = sdhci_priv(host); | |
1029 | pdev = slot->chip->pdev; | |
1030 | ||
1031 | if (((pdev->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI << 8)) && | |
1032 | ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) && | |
a13abc7b | 1033 | (host->flags & SDHCI_USE_SDMA)) { |
b8c86fc5 PO |
1034 | dev_warn(&pdev->dev, "Will use DMA mode even though HW " |
1035 | "doesn't fully claim to support it.\n"); | |
1036 | } | |
1037 | ||
284901a9 | 1038 | ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
b8c86fc5 PO |
1039 | if (ret) |
1040 | return ret; | |
1041 | ||
1042 | pci_set_master(pdev); | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
2317f56c | 1047 | static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width) |
68077b02 ML |
1048 | { |
1049 | u8 ctrl; | |
1050 | ||
1051 | ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); | |
1052 | ||
1053 | switch (width) { | |
1054 | case MMC_BUS_WIDTH_8: | |
1055 | ctrl |= SDHCI_CTRL_8BITBUS; | |
1056 | ctrl &= ~SDHCI_CTRL_4BITBUS; | |
1057 | break; | |
1058 | case MMC_BUS_WIDTH_4: | |
1059 | ctrl |= SDHCI_CTRL_4BITBUS; | |
1060 | ctrl &= ~SDHCI_CTRL_8BITBUS; | |
1061 | break; | |
1062 | default: | |
1063 | ctrl &= ~(SDHCI_CTRL_8BITBUS | SDHCI_CTRL_4BITBUS); | |
1064 | break; | |
1065 | } | |
1066 | ||
1067 | sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); | |
68077b02 ML |
1068 | } |
1069 | ||
c9faff6c | 1070 | static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host) |
0f201655 AH |
1071 | { |
1072 | struct sdhci_pci_slot *slot = sdhci_priv(host); | |
1073 | int rst_n_gpio = slot->rst_n_gpio; | |
1074 | ||
1075 | if (!gpio_is_valid(rst_n_gpio)) | |
1076 | return; | |
1077 | gpio_set_value_cansleep(rst_n_gpio, 0); | |
1078 | /* For eMMC, minimum is 1us but give it 10us for good measure */ | |
1079 | udelay(10); | |
1080 | gpio_set_value_cansleep(rst_n_gpio, 1); | |
1081 | /* For eMMC, minimum is 200us but give it 300us for good measure */ | |
1082 | usleep_range(300, 1000); | |
1083 | } | |
1084 | ||
c9faff6c AH |
1085 | static void sdhci_pci_hw_reset(struct sdhci_host *host) |
1086 | { | |
1087 | struct sdhci_pci_slot *slot = sdhci_priv(host); | |
1088 | ||
1089 | if (slot->hw_reset) | |
1090 | slot->hw_reset(host); | |
1091 | } | |
1092 | ||
c915568d | 1093 | static const struct sdhci_ops sdhci_pci_ops = { |
1771059c | 1094 | .set_clock = sdhci_set_clock, |
b8c86fc5 | 1095 | .enable_dma = sdhci_pci_enable_dma, |
2317f56c | 1096 | .set_bus_width = sdhci_pci_set_bus_width, |
03231f9b | 1097 | .reset = sdhci_reset, |
96d7b78c | 1098 | .set_uhs_signaling = sdhci_set_uhs_signaling, |
0f201655 | 1099 | .hw_reset = sdhci_pci_hw_reset, |
b8c86fc5 PO |
1100 | }; |
1101 | ||
1102 | /*****************************************************************************\ | |
1103 | * * | |
1104 | * Suspend/resume * | |
1105 | * * | |
1106 | \*****************************************************************************/ | |
1107 | ||
1108 | #ifdef CONFIG_PM | |
1109 | ||
29495aa0 | 1110 | static int sdhci_pci_suspend(struct device *dev) |
b8c86fc5 | 1111 | { |
29495aa0 | 1112 | struct pci_dev *pdev = to_pci_dev(dev); |
b8c86fc5 PO |
1113 | struct sdhci_pci_chip *chip; |
1114 | struct sdhci_pci_slot *slot; | |
5f619704 | 1115 | mmc_pm_flag_t slot_pm_flags; |
2f4cbb3d | 1116 | mmc_pm_flag_t pm_flags = 0; |
b8c86fc5 PO |
1117 | int i, ret; |
1118 | ||
1119 | chip = pci_get_drvdata(pdev); | |
1120 | if (!chip) | |
1121 | return 0; | |
1122 | ||
b177bc91 | 1123 | for (i = 0; i < chip->num_slots; i++) { |
b8c86fc5 PO |
1124 | slot = chip->slots[i]; |
1125 | if (!slot) | |
1126 | continue; | |
1127 | ||
29495aa0 | 1128 | ret = sdhci_suspend_host(slot->host); |
b8c86fc5 | 1129 | |
b678b91f AL |
1130 | if (ret) |
1131 | goto err_pci_suspend; | |
2f4cbb3d | 1132 | |
5f619704 DD |
1133 | slot_pm_flags = slot->host->mmc->pm_flags; |
1134 | if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ) | |
1135 | sdhci_enable_irq_wakeups(slot->host); | |
1136 | ||
1137 | pm_flags |= slot_pm_flags; | |
b8c86fc5 PO |
1138 | } |
1139 | ||
4489428a | 1140 | if (chip->fixes && chip->fixes->suspend) { |
29495aa0 | 1141 | ret = chip->fixes->suspend(chip); |
b678b91f AL |
1142 | if (ret) |
1143 | goto err_pci_suspend; | |
4489428a PO |
1144 | } |
1145 | ||
2f4cbb3d | 1146 | if (pm_flags & MMC_PM_KEEP_POWER) { |
6b91f2d4 CD |
1147 | if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) |
1148 | device_init_wakeup(dev, true); | |
1149 | else | |
1150 | device_init_wakeup(dev, false); | |
1151 | } else | |
1152 | device_init_wakeup(dev, false); | |
b8c86fc5 PO |
1153 | |
1154 | return 0; | |
b678b91f AL |
1155 | |
1156 | err_pci_suspend: | |
1157 | while (--i >= 0) | |
1158 | sdhci_resume_host(chip->slots[i]->host); | |
1159 | return ret; | |
b8c86fc5 PO |
1160 | } |
1161 | ||
29495aa0 | 1162 | static int sdhci_pci_resume(struct device *dev) |
b8c86fc5 | 1163 | { |
29495aa0 | 1164 | struct pci_dev *pdev = to_pci_dev(dev); |
b8c86fc5 PO |
1165 | struct sdhci_pci_chip *chip; |
1166 | struct sdhci_pci_slot *slot; | |
1167 | int i, ret; | |
1168 | ||
1169 | chip = pci_get_drvdata(pdev); | |
1170 | if (!chip) | |
1171 | return 0; | |
1172 | ||
45211e21 PO |
1173 | if (chip->fixes && chip->fixes->resume) { |
1174 | ret = chip->fixes->resume(chip); | |
1175 | if (ret) | |
1176 | return ret; | |
1177 | } | |
1178 | ||
b177bc91 | 1179 | for (i = 0; i < chip->num_slots; i++) { |
b8c86fc5 PO |
1180 | slot = chip->slots[i]; |
1181 | if (!slot) | |
1182 | continue; | |
1183 | ||
1184 | ret = sdhci_resume_host(slot->host); | |
1185 | if (ret) | |
1186 | return ret; | |
1187 | } | |
1188 | ||
1189 | return 0; | |
1190 | } | |
1191 | ||
1192 | #else /* CONFIG_PM */ | |
1193 | ||
1194 | #define sdhci_pci_suspend NULL | |
1195 | #define sdhci_pci_resume NULL | |
1196 | ||
1197 | #endif /* CONFIG_PM */ | |
1198 | ||
66fd8ad5 AH |
1199 | #ifdef CONFIG_PM_RUNTIME |
1200 | ||
1201 | static int sdhci_pci_runtime_suspend(struct device *dev) | |
1202 | { | |
1203 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
1204 | struct sdhci_pci_chip *chip; | |
1205 | struct sdhci_pci_slot *slot; | |
66fd8ad5 AH |
1206 | int i, ret; |
1207 | ||
1208 | chip = pci_get_drvdata(pdev); | |
1209 | if (!chip) | |
1210 | return 0; | |
1211 | ||
1212 | for (i = 0; i < chip->num_slots; i++) { | |
1213 | slot = chip->slots[i]; | |
1214 | if (!slot) | |
1215 | continue; | |
1216 | ||
1217 | ret = sdhci_runtime_suspend_host(slot->host); | |
1218 | ||
b678b91f AL |
1219 | if (ret) |
1220 | goto err_pci_runtime_suspend; | |
66fd8ad5 AH |
1221 | } |
1222 | ||
1223 | if (chip->fixes && chip->fixes->suspend) { | |
29495aa0 | 1224 | ret = chip->fixes->suspend(chip); |
b678b91f AL |
1225 | if (ret) |
1226 | goto err_pci_runtime_suspend; | |
66fd8ad5 AH |
1227 | } |
1228 | ||
1229 | return 0; | |
b678b91f AL |
1230 | |
1231 | err_pci_runtime_suspend: | |
1232 | while (--i >= 0) | |
1233 | sdhci_runtime_resume_host(chip->slots[i]->host); | |
1234 | return ret; | |
66fd8ad5 AH |
1235 | } |
1236 | ||
1237 | static int sdhci_pci_runtime_resume(struct device *dev) | |
1238 | { | |
1239 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
1240 | struct sdhci_pci_chip *chip; | |
1241 | struct sdhci_pci_slot *slot; | |
1242 | int i, ret; | |
1243 | ||
1244 | chip = pci_get_drvdata(pdev); | |
1245 | if (!chip) | |
1246 | return 0; | |
1247 | ||
1248 | if (chip->fixes && chip->fixes->resume) { | |
1249 | ret = chip->fixes->resume(chip); | |
1250 | if (ret) | |
1251 | return ret; | |
1252 | } | |
1253 | ||
1254 | for (i = 0; i < chip->num_slots; i++) { | |
1255 | slot = chip->slots[i]; | |
1256 | if (!slot) | |
1257 | continue; | |
1258 | ||
1259 | ret = sdhci_runtime_resume_host(slot->host); | |
1260 | if (ret) | |
1261 | return ret; | |
1262 | } | |
1263 | ||
1264 | return 0; | |
1265 | } | |
1266 | ||
1267 | static int sdhci_pci_runtime_idle(struct device *dev) | |
1268 | { | |
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | #else | |
1273 | ||
1274 | #define sdhci_pci_runtime_suspend NULL | |
1275 | #define sdhci_pci_runtime_resume NULL | |
1276 | #define sdhci_pci_runtime_idle NULL | |
1277 | ||
1278 | #endif | |
1279 | ||
1280 | static const struct dev_pm_ops sdhci_pci_pm_ops = { | |
29495aa0 ML |
1281 | .suspend = sdhci_pci_suspend, |
1282 | .resume = sdhci_pci_resume, | |
66fd8ad5 AH |
1283 | .runtime_suspend = sdhci_pci_runtime_suspend, |
1284 | .runtime_resume = sdhci_pci_runtime_resume, | |
1285 | .runtime_idle = sdhci_pci_runtime_idle, | |
1286 | }; | |
1287 | ||
b8c86fc5 PO |
1288 | /*****************************************************************************\ |
1289 | * * | |
1290 | * Device probing/removal * | |
1291 | * * | |
1292 | \*****************************************************************************/ | |
1293 | ||
c3be1efd | 1294 | static struct sdhci_pci_slot *sdhci_pci_probe_slot( |
52c506f0 AH |
1295 | struct pci_dev *pdev, struct sdhci_pci_chip *chip, int first_bar, |
1296 | int slotno) | |
b8c86fc5 PO |
1297 | { |
1298 | struct sdhci_pci_slot *slot; | |
1299 | struct sdhci_host *host; | |
52c506f0 | 1300 | int ret, bar = first_bar + slotno; |
b8c86fc5 PO |
1301 | |
1302 | if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) { | |
1303 | dev_err(&pdev->dev, "BAR %d is not iomem. Aborting.\n", bar); | |
1304 | return ERR_PTR(-ENODEV); | |
1305 | } | |
1306 | ||
90b3e6c5 | 1307 | if (pci_resource_len(pdev, bar) < 0x100) { |
b8c86fc5 PO |
1308 | dev_err(&pdev->dev, "Invalid iomem size. You may " |
1309 | "experience problems.\n"); | |
1310 | } | |
1311 | ||
1312 | if ((pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { | |
1313 | dev_err(&pdev->dev, "Vendor specific interface. Aborting.\n"); | |
1314 | return ERR_PTR(-ENODEV); | |
1315 | } | |
1316 | ||
1317 | if ((pdev->class & 0x0000FF) > PCI_SDHCI_IFVENDOR) { | |
1318 | dev_err(&pdev->dev, "Unknown interface. Aborting.\n"); | |
1319 | return ERR_PTR(-ENODEV); | |
1320 | } | |
1321 | ||
1322 | host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot)); | |
1323 | if (IS_ERR(host)) { | |
c60a32cd | 1324 | dev_err(&pdev->dev, "cannot allocate host\n"); |
dc0fd7b5 | 1325 | return ERR_CAST(host); |
b8c86fc5 PO |
1326 | } |
1327 | ||
1328 | slot = sdhci_priv(host); | |
1329 | ||
1330 | slot->chip = chip; | |
1331 | slot->host = host; | |
1332 | slot->pci_bar = bar; | |
0f201655 | 1333 | slot->rst_n_gpio = -EINVAL; |
c5e027a4 | 1334 | slot->cd_gpio = -EINVAL; |
b8c86fc5 | 1335 | |
52c506f0 AH |
1336 | /* Retrieve platform data if there is any */ |
1337 | if (*sdhci_pci_get_data) | |
1338 | slot->data = sdhci_pci_get_data(pdev, slotno); | |
1339 | ||
1340 | if (slot->data) { | |
1341 | if (slot->data->setup) { | |
1342 | ret = slot->data->setup(slot->data); | |
1343 | if (ret) { | |
1344 | dev_err(&pdev->dev, "platform setup failed\n"); | |
1345 | goto free; | |
1346 | } | |
1347 | } | |
c5e027a4 AH |
1348 | slot->rst_n_gpio = slot->data->rst_n_gpio; |
1349 | slot->cd_gpio = slot->data->cd_gpio; | |
52c506f0 AH |
1350 | } |
1351 | ||
b8c86fc5 PO |
1352 | host->hw_name = "PCI"; |
1353 | host->ops = &sdhci_pci_ops; | |
1354 | host->quirks = chip->quirks; | |
f3c55a7b | 1355 | host->quirks2 = chip->quirks2; |
b8c86fc5 PO |
1356 | |
1357 | host->irq = pdev->irq; | |
1358 | ||
1359 | ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc)); | |
1360 | if (ret) { | |
1361 | dev_err(&pdev->dev, "cannot request region\n"); | |
52c506f0 | 1362 | goto cleanup; |
b8c86fc5 PO |
1363 | } |
1364 | ||
092f82ed | 1365 | host->ioaddr = pci_ioremap_bar(pdev, bar); |
b8c86fc5 PO |
1366 | if (!host->ioaddr) { |
1367 | dev_err(&pdev->dev, "failed to remap registers\n"); | |
9fdcdbb0 | 1368 | ret = -ENOMEM; |
b8c86fc5 PO |
1369 | goto release; |
1370 | } | |
1371 | ||
4489428a PO |
1372 | if (chip->fixes && chip->fixes->probe_slot) { |
1373 | ret = chip->fixes->probe_slot(slot); | |
1374 | if (ret) | |
1375 | goto unmap; | |
1376 | } | |
1377 | ||
c5e027a4 AH |
1378 | if (gpio_is_valid(slot->rst_n_gpio)) { |
1379 | if (!gpio_request(slot->rst_n_gpio, "eMMC_reset")) { | |
1380 | gpio_direction_output(slot->rst_n_gpio, 1); | |
1381 | slot->host->mmc->caps |= MMC_CAP_HW_RESET; | |
c9faff6c | 1382 | slot->hw_reset = sdhci_pci_gpio_hw_reset; |
c5e027a4 AH |
1383 | } else { |
1384 | dev_warn(&pdev->dev, "failed to request rst_n_gpio\n"); | |
1385 | slot->rst_n_gpio = -EINVAL; | |
1386 | } | |
1387 | } | |
1388 | ||
2f4cbb3d | 1389 | host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ; |
eed222ac | 1390 | host->mmc->slotno = slotno; |
a08b17be | 1391 | host->mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP; |
2f4cbb3d | 1392 | |
b8c86fc5 PO |
1393 | ret = sdhci_add_host(host); |
1394 | if (ret) | |
4489428a | 1395 | goto remove; |
b8c86fc5 | 1396 | |
c5e027a4 AH |
1397 | sdhci_pci_add_own_cd(slot); |
1398 | ||
77a0122e AH |
1399 | /* |
1400 | * Check if the chip needs a separate GPIO for card detect to wake up | |
1401 | * from runtime suspend. If it is not there, don't allow runtime PM. | |
1402 | * Note sdhci_pci_add_own_cd() sets slot->cd_gpio to -EINVAL on failure. | |
1403 | */ | |
945be38c AH |
1404 | if (chip->fixes && chip->fixes->own_cd_for_runtime_pm && |
1405 | !gpio_is_valid(slot->cd_gpio)) | |
77a0122e AH |
1406 | chip->allow_runtime_pm = false; |
1407 | ||
b8c86fc5 PO |
1408 | return slot; |
1409 | ||
4489428a | 1410 | remove: |
c5e027a4 AH |
1411 | if (gpio_is_valid(slot->rst_n_gpio)) |
1412 | gpio_free(slot->rst_n_gpio); | |
1413 | ||
4489428a | 1414 | if (chip->fixes && chip->fixes->remove_slot) |
1e72859e | 1415 | chip->fixes->remove_slot(slot, 0); |
4489428a | 1416 | |
b8c86fc5 PO |
1417 | unmap: |
1418 | iounmap(host->ioaddr); | |
1419 | ||
1420 | release: | |
1421 | pci_release_region(pdev, bar); | |
c60a32cd | 1422 | |
52c506f0 AH |
1423 | cleanup: |
1424 | if (slot->data && slot->data->cleanup) | |
1425 | slot->data->cleanup(slot->data); | |
1426 | ||
c60a32cd | 1427 | free: |
b8c86fc5 PO |
1428 | sdhci_free_host(host); |
1429 | ||
1430 | return ERR_PTR(ret); | |
1431 | } | |
1432 | ||
1433 | static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot) | |
1434 | { | |
1e72859e PO |
1435 | int dead; |
1436 | u32 scratch; | |
1437 | ||
c5e027a4 AH |
1438 | sdhci_pci_remove_own_cd(slot); |
1439 | ||
1e72859e PO |
1440 | dead = 0; |
1441 | scratch = readl(slot->host->ioaddr + SDHCI_INT_STATUS); | |
1442 | if (scratch == (u32)-1) | |
1443 | dead = 1; | |
1444 | ||
1445 | sdhci_remove_host(slot->host, dead); | |
4489428a | 1446 | |
c5e027a4 AH |
1447 | if (gpio_is_valid(slot->rst_n_gpio)) |
1448 | gpio_free(slot->rst_n_gpio); | |
1449 | ||
4489428a | 1450 | if (slot->chip->fixes && slot->chip->fixes->remove_slot) |
1e72859e | 1451 | slot->chip->fixes->remove_slot(slot, dead); |
4489428a | 1452 | |
52c506f0 AH |
1453 | if (slot->data && slot->data->cleanup) |
1454 | slot->data->cleanup(slot->data); | |
1455 | ||
b8c86fc5 | 1456 | pci_release_region(slot->chip->pdev, slot->pci_bar); |
4489428a | 1457 | |
b8c86fc5 PO |
1458 | sdhci_free_host(slot->host); |
1459 | } | |
1460 | ||
c3be1efd | 1461 | static void sdhci_pci_runtime_pm_allow(struct device *dev) |
66fd8ad5 AH |
1462 | { |
1463 | pm_runtime_put_noidle(dev); | |
1464 | pm_runtime_allow(dev); | |
1465 | pm_runtime_set_autosuspend_delay(dev, 50); | |
1466 | pm_runtime_use_autosuspend(dev); | |
1467 | pm_suspend_ignore_children(dev, 1); | |
1468 | } | |
1469 | ||
6e0ee714 | 1470 | static void sdhci_pci_runtime_pm_forbid(struct device *dev) |
66fd8ad5 AH |
1471 | { |
1472 | pm_runtime_forbid(dev); | |
1473 | pm_runtime_get_noresume(dev); | |
1474 | } | |
1475 | ||
c3be1efd | 1476 | static int sdhci_pci_probe(struct pci_dev *pdev, |
b8c86fc5 PO |
1477 | const struct pci_device_id *ent) |
1478 | { | |
1479 | struct sdhci_pci_chip *chip; | |
1480 | struct sdhci_pci_slot *slot; | |
1481 | ||
cf5e23e1 | 1482 | u8 slots, first_bar; |
b8c86fc5 PO |
1483 | int ret, i; |
1484 | ||
1485 | BUG_ON(pdev == NULL); | |
1486 | BUG_ON(ent == NULL); | |
1487 | ||
b8c86fc5 | 1488 | dev_info(&pdev->dev, "SDHCI controller found [%04x:%04x] (rev %x)\n", |
cf5e23e1 | 1489 | (int)pdev->vendor, (int)pdev->device, (int)pdev->revision); |
b8c86fc5 PO |
1490 | |
1491 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots); | |
1492 | if (ret) | |
1493 | return ret; | |
1494 | ||
1495 | slots = PCI_SLOT_INFO_SLOTS(slots) + 1; | |
1496 | dev_dbg(&pdev->dev, "found %d slot(s)\n", slots); | |
1497 | if (slots == 0) | |
1498 | return -ENODEV; | |
1499 | ||
1500 | BUG_ON(slots > MAX_SLOTS); | |
1501 | ||
1502 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar); | |
1503 | if (ret) | |
1504 | return ret; | |
1505 | ||
1506 | first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK; | |
1507 | ||
1508 | if (first_bar > 5) { | |
1509 | dev_err(&pdev->dev, "Invalid first BAR. Aborting.\n"); | |
1510 | return -ENODEV; | |
1511 | } | |
1512 | ||
1513 | ret = pci_enable_device(pdev); | |
1514 | if (ret) | |
1515 | return ret; | |
1516 | ||
1517 | chip = kzalloc(sizeof(struct sdhci_pci_chip), GFP_KERNEL); | |
1518 | if (!chip) { | |
1519 | ret = -ENOMEM; | |
1520 | goto err; | |
1521 | } | |
1522 | ||
1523 | chip->pdev = pdev; | |
b177bc91 | 1524 | chip->fixes = (const struct sdhci_pci_fixes *)ent->driver_data; |
c43fd774 | 1525 | if (chip->fixes) { |
22606405 | 1526 | chip->quirks = chip->fixes->quirks; |
f3c55a7b | 1527 | chip->quirks2 = chip->fixes->quirks2; |
c43fd774 AH |
1528 | chip->allow_runtime_pm = chip->fixes->allow_runtime_pm; |
1529 | } | |
b8c86fc5 PO |
1530 | chip->num_slots = slots; |
1531 | ||
1532 | pci_set_drvdata(pdev, chip); | |
1533 | ||
22606405 PO |
1534 | if (chip->fixes && chip->fixes->probe) { |
1535 | ret = chip->fixes->probe(chip); | |
1536 | if (ret) | |
1537 | goto free; | |
1538 | } | |
1539 | ||
225d85fe AC |
1540 | slots = chip->num_slots; /* Quirk may have changed this */ |
1541 | ||
b177bc91 | 1542 | for (i = 0; i < slots; i++) { |
52c506f0 | 1543 | slot = sdhci_pci_probe_slot(pdev, chip, first_bar, i); |
b8c86fc5 | 1544 | if (IS_ERR(slot)) { |
b177bc91 | 1545 | for (i--; i >= 0; i--) |
b8c86fc5 PO |
1546 | sdhci_pci_remove_slot(chip->slots[i]); |
1547 | ret = PTR_ERR(slot); | |
1548 | goto free; | |
1549 | } | |
1550 | ||
1551 | chip->slots[i] = slot; | |
1552 | } | |
1553 | ||
c43fd774 AH |
1554 | if (chip->allow_runtime_pm) |
1555 | sdhci_pci_runtime_pm_allow(&pdev->dev); | |
66fd8ad5 | 1556 | |
b8c86fc5 PO |
1557 | return 0; |
1558 | ||
1559 | free: | |
1560 | pci_set_drvdata(pdev, NULL); | |
1561 | kfree(chip); | |
1562 | ||
1563 | err: | |
1564 | pci_disable_device(pdev); | |
1565 | return ret; | |
1566 | } | |
1567 | ||
6e0ee714 | 1568 | static void sdhci_pci_remove(struct pci_dev *pdev) |
b8c86fc5 PO |
1569 | { |
1570 | int i; | |
1571 | struct sdhci_pci_chip *chip; | |
1572 | ||
1573 | chip = pci_get_drvdata(pdev); | |
1574 | ||
1575 | if (chip) { | |
c43fd774 AH |
1576 | if (chip->allow_runtime_pm) |
1577 | sdhci_pci_runtime_pm_forbid(&pdev->dev); | |
1578 | ||
b177bc91 | 1579 | for (i = 0; i < chip->num_slots; i++) |
b8c86fc5 PO |
1580 | sdhci_pci_remove_slot(chip->slots[i]); |
1581 | ||
1582 | pci_set_drvdata(pdev, NULL); | |
1583 | kfree(chip); | |
1584 | } | |
1585 | ||
1586 | pci_disable_device(pdev); | |
1587 | } | |
1588 | ||
1589 | static struct pci_driver sdhci_driver = { | |
b177bc91 | 1590 | .name = "sdhci-pci", |
b8c86fc5 | 1591 | .id_table = pci_ids, |
b177bc91 | 1592 | .probe = sdhci_pci_probe, |
0433c143 | 1593 | .remove = sdhci_pci_remove, |
66fd8ad5 AH |
1594 | .driver = { |
1595 | .pm = &sdhci_pci_pm_ops | |
1596 | }, | |
b8c86fc5 PO |
1597 | }; |
1598 | ||
acc69646 | 1599 | module_pci_driver(sdhci_driver); |
b8c86fc5 | 1600 | |
32710e8f | 1601 | MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>"); |
b8c86fc5 PO |
1602 | MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver"); |
1603 | MODULE_LICENSE("GPL"); |