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> |
ff59c520 | 27 | #include <linux/mmc/slot-gpio.h> |
52c506f0 | 28 | #include <linux/mmc/sdhci-pci-data.h> |
b8c86fc5 PO |
29 | |
30 | #include "sdhci.h" | |
522624f9 | 31 | #include "sdhci-pci.h" |
01acf691 | 32 | #include "sdhci-pci-o2micro.h" |
22606405 PO |
33 | |
34 | /*****************************************************************************\ | |
35 | * * | |
36 | * Hardware specific quirk handling * | |
37 | * * | |
38 | \*****************************************************************************/ | |
39 | ||
40 | static int ricoh_probe(struct sdhci_pci_chip *chip) | |
41 | { | |
c99436fb CB |
42 | if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG || |
43 | chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY) | |
22606405 | 44 | chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET; |
ccc92c23 ML |
45 | return 0; |
46 | } | |
47 | ||
48 | static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot) | |
49 | { | |
50 | slot->host->caps = | |
51 | ((0x21 << SDHCI_TIMEOUT_CLK_SHIFT) | |
52 | & SDHCI_TIMEOUT_CLK_MASK) | | |
22606405 | 53 | |
ccc92c23 ML |
54 | ((0x21 << SDHCI_CLOCK_BASE_SHIFT) |
55 | & SDHCI_CLOCK_BASE_MASK) | | |
56 | ||
57 | SDHCI_TIMEOUT_CLK_UNIT | | |
58 | SDHCI_CAN_VDD_330 | | |
1a1f1f04 | 59 | SDHCI_CAN_DO_HISPD | |
ccc92c23 ML |
60 | SDHCI_CAN_DO_SDMA; |
61 | return 0; | |
62 | } | |
63 | ||
64 | static int ricoh_mmc_resume(struct sdhci_pci_chip *chip) | |
65 | { | |
66 | /* Apply a delay to allow controller to settle */ | |
67 | /* Otherwise it becomes confused if card state changed | |
68 | during suspend */ | |
69 | msleep(500); | |
22606405 PO |
70 | return 0; |
71 | } | |
72 | ||
73 | static const struct sdhci_pci_fixes sdhci_ricoh = { | |
74 | .probe = ricoh_probe, | |
84938294 VK |
75 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | |
76 | SDHCI_QUIRK_FORCE_DMA | | |
77 | SDHCI_QUIRK_CLOCK_BEFORE_RESET, | |
22606405 PO |
78 | }; |
79 | ||
ccc92c23 ML |
80 | static const struct sdhci_pci_fixes sdhci_ricoh_mmc = { |
81 | .probe_slot = ricoh_mmc_probe_slot, | |
82 | .resume = ricoh_mmc_resume, | |
83 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | | |
84 | SDHCI_QUIRK_CLOCK_BEFORE_RESET | | |
85 | SDHCI_QUIRK_NO_CARD_NO_RESET | | |
86 | SDHCI_QUIRK_MISSING_CAPS | |
87 | }; | |
88 | ||
22606405 PO |
89 | static const struct sdhci_pci_fixes sdhci_ene_712 = { |
90 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | | |
91 | SDHCI_QUIRK_BROKEN_DMA, | |
92 | }; | |
93 | ||
94 | static const struct sdhci_pci_fixes sdhci_ene_714 = { | |
95 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | | |
96 | SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS | | |
97 | SDHCI_QUIRK_BROKEN_DMA, | |
98 | }; | |
99 | ||
100 | static const struct sdhci_pci_fixes sdhci_cafe = { | |
101 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER | | |
a0874897 | 102 | SDHCI_QUIRK_NO_BUSY_IRQ | |
55fc05b7 | 103 | SDHCI_QUIRK_BROKEN_CARD_DETECTION | |
ee53ab5d | 104 | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, |
22606405 PO |
105 | }; |
106 | ||
43e968ce DB |
107 | static const struct sdhci_pci_fixes sdhci_intel_qrk = { |
108 | .quirks = SDHCI_QUIRK_NO_HISPD_BIT, | |
109 | }; | |
110 | ||
68077b02 ML |
111 | static int mrst_hc_probe_slot(struct sdhci_pci_slot *slot) |
112 | { | |
113 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; | |
114 | return 0; | |
115 | } | |
116 | ||
f9ee3eab AC |
117 | /* |
118 | * ADMA operation is disabled for Moorestown platform due to | |
119 | * hardware bugs. | |
120 | */ | |
35ac6f08 | 121 | static int mrst_hc_probe(struct sdhci_pci_chip *chip) |
f9ee3eab AC |
122 | { |
123 | /* | |
35ac6f08 JP |
124 | * slots number is fixed here for MRST as SDIO3/5 are never used and |
125 | * have hardware bugs. | |
f9ee3eab AC |
126 | */ |
127 | chip->num_slots = 1; | |
128 | return 0; | |
129 | } | |
130 | ||
296e0b03 AS |
131 | static int pch_hc_probe_slot(struct sdhci_pci_slot *slot) |
132 | { | |
133 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; | |
134 | return 0; | |
135 | } | |
136 | ||
66fd8ad5 AH |
137 | #ifdef CONFIG_PM_RUNTIME |
138 | ||
c5e027a4 | 139 | static irqreturn_t sdhci_pci_sd_cd(int irq, void *dev_id) |
66fd8ad5 AH |
140 | { |
141 | struct sdhci_pci_slot *slot = dev_id; | |
142 | struct sdhci_host *host = slot->host; | |
143 | ||
144 | mmc_detect_change(host->mmc, msecs_to_jiffies(200)); | |
145 | return IRQ_HANDLED; | |
146 | } | |
147 | ||
c5e027a4 | 148 | static void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot) |
66fd8ad5 | 149 | { |
c5e027a4 | 150 | int err, irq, gpio = slot->cd_gpio; |
66fd8ad5 AH |
151 | |
152 | slot->cd_gpio = -EINVAL; | |
153 | slot->cd_irq = -EINVAL; | |
154 | ||
c5e027a4 AH |
155 | if (!gpio_is_valid(gpio)) |
156 | return; | |
157 | ||
66fd8ad5 AH |
158 | err = gpio_request(gpio, "sd_cd"); |
159 | if (err < 0) | |
160 | goto out; | |
161 | ||
162 | err = gpio_direction_input(gpio); | |
163 | if (err < 0) | |
164 | goto out_free; | |
165 | ||
166 | irq = gpio_to_irq(gpio); | |
167 | if (irq < 0) | |
168 | goto out_free; | |
169 | ||
c5e027a4 | 170 | err = request_irq(irq, sdhci_pci_sd_cd, IRQF_TRIGGER_RISING | |
66fd8ad5 AH |
171 | IRQF_TRIGGER_FALLING, "sd_cd", slot); |
172 | if (err) | |
173 | goto out_free; | |
174 | ||
175 | slot->cd_gpio = gpio; | |
176 | slot->cd_irq = irq; | |
66fd8ad5 | 177 | |
c5e027a4 | 178 | return; |
66fd8ad5 AH |
179 | |
180 | out_free: | |
181 | gpio_free(gpio); | |
182 | out: | |
183 | dev_warn(&slot->chip->pdev->dev, "failed to setup card detect wake up\n"); | |
66fd8ad5 AH |
184 | } |
185 | ||
c5e027a4 | 186 | static void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot) |
66fd8ad5 AH |
187 | { |
188 | if (slot->cd_irq >= 0) | |
189 | free_irq(slot->cd_irq, slot); | |
c5e027a4 AH |
190 | if (gpio_is_valid(slot->cd_gpio)) |
191 | gpio_free(slot->cd_gpio); | |
66fd8ad5 AH |
192 | } |
193 | ||
194 | #else | |
195 | ||
c5e027a4 AH |
196 | static inline void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot) |
197 | { | |
198 | } | |
199 | ||
200 | static inline void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot) | |
201 | { | |
202 | } | |
66fd8ad5 AH |
203 | |
204 | #endif | |
205 | ||
0d013bcf AH |
206 | static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot) |
207 | { | |
66fd8ad5 | 208 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE; |
da721cf7 AH |
209 | slot->host->mmc->caps2 |= MMC_CAP2_BOOTPART_NOACC | |
210 | MMC_CAP2_HC_ERASE_SZ; | |
0d013bcf AH |
211 | return 0; |
212 | } | |
213 | ||
93933508 AH |
214 | static int mfd_sdio_probe_slot(struct sdhci_pci_slot *slot) |
215 | { | |
012e4671 | 216 | slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE; |
93933508 AH |
217 | return 0; |
218 | } | |
219 | ||
f9ee3eab AC |
220 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = { |
221 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, | |
68077b02 | 222 | .probe_slot = mrst_hc_probe_slot, |
f9ee3eab AC |
223 | }; |
224 | ||
35ac6f08 | 225 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = { |
f9ee3eab | 226 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, |
35ac6f08 | 227 | .probe = mrst_hc_probe, |
f9ee3eab AC |
228 | }; |
229 | ||
29229052 XS |
230 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = { |
231 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
c43fd774 | 232 | .allow_runtime_pm = true, |
77a0122e | 233 | .own_cd_for_runtime_pm = true, |
29229052 XS |
234 | }; |
235 | ||
0d013bcf AH |
236 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sdio = { |
237 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
f3c55a7b | 238 | .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON, |
c43fd774 | 239 | .allow_runtime_pm = true, |
93933508 | 240 | .probe_slot = mfd_sdio_probe_slot, |
0d013bcf AH |
241 | }; |
242 | ||
243 | static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc = { | |
29229052 | 244 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
c43fd774 | 245 | .allow_runtime_pm = true, |
0d013bcf | 246 | .probe_slot = mfd_emmc_probe_slot, |
29229052 XS |
247 | }; |
248 | ||
296e0b03 AS |
249 | static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = { |
250 | .quirks = SDHCI_QUIRK_BROKEN_ADMA, | |
251 | .probe_slot = pch_hc_probe_slot, | |
252 | }; | |
253 | ||
c9faff6c AH |
254 | static void sdhci_pci_int_hw_reset(struct sdhci_host *host) |
255 | { | |
256 | u8 reg; | |
257 | ||
258 | reg = sdhci_readb(host, SDHCI_POWER_CONTROL); | |
259 | reg |= 0x10; | |
260 | sdhci_writeb(host, reg, SDHCI_POWER_CONTROL); | |
261 | /* For eMMC, minimum is 1us but give it 9us for good measure */ | |
262 | udelay(9); | |
263 | reg &= ~0x10; | |
264 | sdhci_writeb(host, reg, SDHCI_POWER_CONTROL); | |
265 | /* For eMMC, minimum is 200us but give it 300us for good measure */ | |
266 | usleep_range(300, 1000); | |
267 | } | |
268 | ||
728ef3d1 AH |
269 | static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) |
270 | { | |
c9faff6c | 271 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | |
f25c3372 | 272 | MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR; |
728ef3d1 | 273 | slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; |
c9faff6c | 274 | slot->hw_reset = sdhci_pci_int_hw_reset; |
a06586b6 AH |
275 | if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BSW_EMMC) |
276 | slot->host->timeout_clk = 1000; /* 1000 kHz i.e. 1 MHz */ | |
728ef3d1 AH |
277 | return 0; |
278 | } | |
279 | ||
280 | static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) | |
281 | { | |
282 | slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE; | |
283 | return 0; | |
284 | } | |
285 | ||
ff59c520 AH |
286 | static int byt_sd_probe_slot(struct sdhci_pci_slot *slot) |
287 | { | |
288 | slot->cd_con_id = NULL; | |
289 | slot->cd_idx = 0; | |
290 | slot->cd_override_level = true; | |
291 | return 0; | |
292 | } | |
293 | ||
728ef3d1 AH |
294 | static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = { |
295 | .allow_runtime_pm = true, | |
296 | .probe_slot = byt_emmc_probe_slot, | |
e58e4a0d AH |
297 | .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | |
298 | SDHCI_QUIRK2_STOP_WITH_TC, | |
728ef3d1 AH |
299 | }; |
300 | ||
301 | static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = { | |
b7574bad GY |
302 | .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON | |
303 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN, | |
728ef3d1 AH |
304 | .allow_runtime_pm = true, |
305 | .probe_slot = byt_sdio_probe_slot, | |
306 | }; | |
307 | ||
308 | static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { | |
b7574bad | 309 | .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON | |
e58e4a0d AH |
310 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN | |
311 | SDHCI_QUIRK2_STOP_WITH_TC, | |
7396e318 | 312 | .allow_runtime_pm = true, |
77a0122e | 313 | .own_cd_for_runtime_pm = true, |
ff59c520 | 314 | .probe_slot = byt_sd_probe_slot, |
728ef3d1 AH |
315 | }; |
316 | ||
8776a165 DC |
317 | /* Define Host controllers for Intel Merrifield platform */ |
318 | #define INTEL_MRFL_EMMC_0 0 | |
319 | #define INTEL_MRFL_EMMC_1 1 | |
320 | ||
321 | static int intel_mrfl_mmc_probe_slot(struct sdhci_pci_slot *slot) | |
322 | { | |
323 | if ((PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_0) && | |
324 | (PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_1)) | |
325 | /* SD support is not ready yet */ | |
326 | return -ENODEV; | |
327 | ||
328 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | | |
329 | MMC_CAP_1_8V_DDR; | |
330 | ||
331 | return 0; | |
332 | } | |
333 | ||
334 | static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = { | |
335 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
b7574bad GY |
336 | .quirks2 = SDHCI_QUIRK2_BROKEN_HS200 | |
337 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN, | |
f1b55a55 | 338 | .allow_runtime_pm = true, |
8776a165 DC |
339 | .probe_slot = intel_mrfl_mmc_probe_slot, |
340 | }; | |
341 | ||
26daa1ed JL |
342 | /* O2Micro extra registers */ |
343 | #define O2_SD_LOCK_WP 0xD3 | |
344 | #define O2_SD_MULTI_VCC3V 0xEE | |
345 | #define O2_SD_CLKREQ 0xEC | |
346 | #define O2_SD_CAPS 0xE0 | |
347 | #define O2_SD_ADMA1 0xE2 | |
348 | #define O2_SD_ADMA2 0xE7 | |
349 | #define O2_SD_INF_MOD 0xF1 | |
350 | ||
45211e21 PO |
351 | static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) |
352 | { | |
353 | u8 scratch; | |
354 | int ret; | |
355 | ||
356 | ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch); | |
357 | if (ret) | |
358 | return ret; | |
359 | ||
360 | /* | |
361 | * Turn PMOS on [bit 0], set over current detection to 2.4 V | |
362 | * [bit 1:2] and enable over current debouncing [bit 6]. | |
363 | */ | |
364 | if (on) | |
365 | scratch |= 0x47; | |
366 | else | |
367 | scratch &= ~0x47; | |
368 | ||
369 | ret = pci_write_config_byte(chip->pdev, 0xAE, scratch); | |
370 | if (ret) | |
371 | return ret; | |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
376 | static int jmicron_probe(struct sdhci_pci_chip *chip) | |
377 | { | |
378 | int ret; | |
8f230f45 | 379 | u16 mmcdev = 0; |
45211e21 | 380 | |
93fc48c7 PO |
381 | if (chip->pdev->revision == 0) { |
382 | chip->quirks |= SDHCI_QUIRK_32BIT_DMA_ADDR | | |
383 | SDHCI_QUIRK_32BIT_DMA_SIZE | | |
2134a922 | 384 | SDHCI_QUIRK_32BIT_ADMA_SIZE | |
4a3cba32 | 385 | SDHCI_QUIRK_RESET_AFTER_REQUEST | |
86a6a874 | 386 | SDHCI_QUIRK_BROKEN_SMALL_PIO; |
93fc48c7 PO |
387 | } |
388 | ||
4489428a PO |
389 | /* |
390 | * JMicron chips can have two interfaces to the same hardware | |
391 | * in order to work around limitations in Microsoft's driver. | |
392 | * We need to make sure we only bind to one of them. | |
393 | * | |
394 | * This code assumes two things: | |
395 | * | |
396 | * 1. The PCI code adds subfunctions in order. | |
397 | * | |
398 | * 2. The MMC interface has a lower subfunction number | |
399 | * than the SD interface. | |
400 | */ | |
8f230f45 TI |
401 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_SD) |
402 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB38X_MMC; | |
403 | else if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD) | |
404 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB388_ESD; | |
405 | ||
406 | if (mmcdev) { | |
4489428a PO |
407 | struct pci_dev *sd_dev; |
408 | ||
409 | sd_dev = NULL; | |
410 | while ((sd_dev = pci_get_device(PCI_VENDOR_ID_JMICRON, | |
8f230f45 | 411 | mmcdev, sd_dev)) != NULL) { |
4489428a PO |
412 | if ((PCI_SLOT(chip->pdev->devfn) == |
413 | PCI_SLOT(sd_dev->devfn)) && | |
414 | (chip->pdev->bus == sd_dev->bus)) | |
415 | break; | |
416 | } | |
417 | ||
418 | if (sd_dev) { | |
419 | pci_dev_put(sd_dev); | |
420 | dev_info(&chip->pdev->dev, "Refusing to bind to " | |
421 | "secondary interface.\n"); | |
422 | return -ENODEV; | |
423 | } | |
424 | } | |
425 | ||
45211e21 PO |
426 | /* |
427 | * JMicron chips need a bit of a nudge to enable the power | |
428 | * output pins. | |
429 | */ | |
430 | ret = jmicron_pmos(chip, 1); | |
431 | if (ret) { | |
432 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); | |
433 | return ret; | |
434 | } | |
435 | ||
82b0e23a TI |
436 | /* quirk for unsable RO-detection on JM388 chips */ |
437 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD || | |
438 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
439 | chip->quirks |= SDHCI_QUIRK_UNSTABLE_RO_DETECT; | |
440 | ||
45211e21 PO |
441 | return 0; |
442 | } | |
443 | ||
4489428a PO |
444 | static void jmicron_enable_mmc(struct sdhci_host *host, int on) |
445 | { | |
446 | u8 scratch; | |
447 | ||
448 | scratch = readb(host->ioaddr + 0xC0); | |
449 | ||
450 | if (on) | |
451 | scratch |= 0x01; | |
452 | else | |
453 | scratch &= ~0x01; | |
454 | ||
455 | writeb(scratch, host->ioaddr + 0xC0); | |
456 | } | |
457 | ||
458 | static int jmicron_probe_slot(struct sdhci_pci_slot *slot) | |
459 | { | |
2134a922 PO |
460 | if (slot->chip->pdev->revision == 0) { |
461 | u16 version; | |
462 | ||
463 | version = readl(slot->host->ioaddr + SDHCI_HOST_VERSION); | |
464 | version = (version & SDHCI_VENDOR_VER_MASK) >> | |
465 | SDHCI_VENDOR_VER_SHIFT; | |
466 | ||
467 | /* | |
468 | * Older versions of the chip have lots of nasty glitches | |
469 | * in the ADMA engine. It's best just to avoid it | |
470 | * completely. | |
471 | */ | |
472 | if (version < 0xAC) | |
473 | slot->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; | |
474 | } | |
475 | ||
8f230f45 TI |
476 | /* JM388 MMC doesn't support 1.8V while SD supports it */ |
477 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
478 | slot->host->ocr_avail_sd = MMC_VDD_32_33 | MMC_VDD_33_34 | | |
479 | MMC_VDD_29_30 | MMC_VDD_30_31 | | |
480 | MMC_VDD_165_195; /* allow 1.8V */ | |
481 | slot->host->ocr_avail_mmc = MMC_VDD_32_33 | MMC_VDD_33_34 | | |
482 | MMC_VDD_29_30 | MMC_VDD_30_31; /* no 1.8V for MMC */ | |
483 | } | |
484 | ||
4489428a PO |
485 | /* |
486 | * The secondary interface requires a bit set to get the | |
487 | * interrupts. | |
488 | */ | |
8f230f45 TI |
489 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
490 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
4489428a PO |
491 | jmicron_enable_mmc(slot->host, 1); |
492 | ||
d75c1084 TI |
493 | slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST; |
494 | ||
4489428a PO |
495 | return 0; |
496 | } | |
497 | ||
1e72859e | 498 | static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead) |
4489428a | 499 | { |
1e72859e PO |
500 | if (dead) |
501 | return; | |
502 | ||
8f230f45 TI |
503 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
504 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
4489428a PO |
505 | jmicron_enable_mmc(slot->host, 0); |
506 | } | |
507 | ||
29495aa0 | 508 | static int jmicron_suspend(struct sdhci_pci_chip *chip) |
4489428a PO |
509 | { |
510 | int i; | |
511 | ||
8f230f45 TI |
512 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
513 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
b177bc91 | 514 | for (i = 0; i < chip->num_slots; i++) |
4489428a PO |
515 | jmicron_enable_mmc(chip->slots[i]->host, 0); |
516 | } | |
517 | ||
518 | return 0; | |
519 | } | |
520 | ||
45211e21 PO |
521 | static int jmicron_resume(struct sdhci_pci_chip *chip) |
522 | { | |
4489428a PO |
523 | int ret, i; |
524 | ||
8f230f45 TI |
525 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
526 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
b177bc91 | 527 | for (i = 0; i < chip->num_slots; i++) |
4489428a PO |
528 | jmicron_enable_mmc(chip->slots[i]->host, 1); |
529 | } | |
45211e21 PO |
530 | |
531 | ret = jmicron_pmos(chip, 1); | |
532 | if (ret) { | |
533 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); | |
534 | return ret; | |
535 | } | |
536 | ||
537 | return 0; | |
538 | } | |
539 | ||
26daa1ed | 540 | static const struct sdhci_pci_fixes sdhci_o2 = { |
01acf691 AL |
541 | .probe = sdhci_pci_o2_probe, |
542 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
543 | .probe_slot = sdhci_pci_o2_probe_slot, | |
544 | .resume = sdhci_pci_o2_resume, | |
26daa1ed JL |
545 | }; |
546 | ||
22606405 | 547 | static const struct sdhci_pci_fixes sdhci_jmicron = { |
45211e21 PO |
548 | .probe = jmicron_probe, |
549 | ||
4489428a PO |
550 | .probe_slot = jmicron_probe_slot, |
551 | .remove_slot = jmicron_remove_slot, | |
552 | ||
553 | .suspend = jmicron_suspend, | |
45211e21 | 554 | .resume = jmicron_resume, |
22606405 PO |
555 | }; |
556 | ||
a7a6186c NP |
557 | /* SysKonnect CardBus2SDIO extra registers */ |
558 | #define SYSKT_CTRL 0x200 | |
559 | #define SYSKT_RDFIFO_STAT 0x204 | |
560 | #define SYSKT_WRFIFO_STAT 0x208 | |
561 | #define SYSKT_POWER_DATA 0x20c | |
562 | #define SYSKT_POWER_330 0xef | |
563 | #define SYSKT_POWER_300 0xf8 | |
564 | #define SYSKT_POWER_184 0xcc | |
565 | #define SYSKT_POWER_CMD 0x20d | |
566 | #define SYSKT_POWER_START (1 << 7) | |
567 | #define SYSKT_POWER_STATUS 0x20e | |
568 | #define SYSKT_POWER_STATUS_OK (1 << 0) | |
569 | #define SYSKT_BOARD_REV 0x210 | |
570 | #define SYSKT_CHIP_REV 0x211 | |
571 | #define SYSKT_CONF_DATA 0x212 | |
572 | #define SYSKT_CONF_DATA_1V8 (1 << 2) | |
573 | #define SYSKT_CONF_DATA_2V5 (1 << 1) | |
574 | #define SYSKT_CONF_DATA_3V3 (1 << 0) | |
575 | ||
576 | static int syskt_probe(struct sdhci_pci_chip *chip) | |
577 | { | |
578 | if ((chip->pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { | |
579 | chip->pdev->class &= ~0x0000FF; | |
580 | chip->pdev->class |= PCI_SDHCI_IFDMA; | |
581 | } | |
582 | return 0; | |
583 | } | |
584 | ||
585 | static int syskt_probe_slot(struct sdhci_pci_slot *slot) | |
586 | { | |
587 | int tm, ps; | |
588 | ||
589 | u8 board_rev = readb(slot->host->ioaddr + SYSKT_BOARD_REV); | |
590 | u8 chip_rev = readb(slot->host->ioaddr + SYSKT_CHIP_REV); | |
591 | dev_info(&slot->chip->pdev->dev, "SysKonnect CardBus2SDIO, " | |
592 | "board rev %d.%d, chip rev %d.%d\n", | |
593 | board_rev >> 4, board_rev & 0xf, | |
594 | chip_rev >> 4, chip_rev & 0xf); | |
595 | if (chip_rev >= 0x20) | |
596 | slot->host->quirks |= SDHCI_QUIRK_FORCE_DMA; | |
597 | ||
598 | writeb(SYSKT_POWER_330, slot->host->ioaddr + SYSKT_POWER_DATA); | |
599 | writeb(SYSKT_POWER_START, slot->host->ioaddr + SYSKT_POWER_CMD); | |
600 | udelay(50); | |
601 | tm = 10; /* Wait max 1 ms */ | |
602 | do { | |
603 | ps = readw(slot->host->ioaddr + SYSKT_POWER_STATUS); | |
604 | if (ps & SYSKT_POWER_STATUS_OK) | |
605 | break; | |
606 | udelay(100); | |
607 | } while (--tm); | |
608 | if (!tm) { | |
609 | dev_err(&slot->chip->pdev->dev, | |
610 | "power regulator never stabilized"); | |
611 | writeb(0, slot->host->ioaddr + SYSKT_POWER_CMD); | |
612 | return -ENODEV; | |
613 | } | |
614 | ||
615 | return 0; | |
616 | } | |
617 | ||
618 | static const struct sdhci_pci_fixes sdhci_syskt = { | |
619 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER, | |
620 | .probe = syskt_probe, | |
621 | .probe_slot = syskt_probe_slot, | |
622 | }; | |
623 | ||
557b0697 HW |
624 | static int via_probe(struct sdhci_pci_chip *chip) |
625 | { | |
626 | if (chip->pdev->revision == 0x10) | |
627 | chip->quirks |= SDHCI_QUIRK_DELAY_AFTER_POWER; | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | static const struct sdhci_pci_fixes sdhci_via = { | |
633 | .probe = via_probe, | |
634 | }; | |
635 | ||
9107ebbf MC |
636 | static int rtsx_probe_slot(struct sdhci_pci_slot *slot) |
637 | { | |
638 | slot->host->mmc->caps2 |= MMC_CAP2_HS200; | |
639 | return 0; | |
640 | } | |
641 | ||
642 | static const struct sdhci_pci_fixes sdhci_rtsx = { | |
643 | .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | | |
644 | SDHCI_QUIRK2_BROKEN_DDR50, | |
645 | .probe_slot = rtsx_probe_slot, | |
646 | }; | |
647 | ||
9647f84d | 648 | static const struct pci_device_id pci_ids[] = { |
b8c86fc5 PO |
649 | { |
650 | .vendor = PCI_VENDOR_ID_RICOH, | |
651 | .device = PCI_DEVICE_ID_RICOH_R5C822, | |
22606405 | 652 | .subvendor = PCI_ANY_ID, |
b8c86fc5 | 653 | .subdevice = PCI_ANY_ID, |
22606405 | 654 | .driver_data = (kernel_ulong_t)&sdhci_ricoh, |
b8c86fc5 PO |
655 | }, |
656 | ||
ccc92c23 ML |
657 | { |
658 | .vendor = PCI_VENDOR_ID_RICOH, | |
659 | .device = 0x843, | |
660 | .subvendor = PCI_ANY_ID, | |
661 | .subdevice = PCI_ANY_ID, | |
662 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
663 | }, | |
664 | ||
568133eb PC |
665 | { |
666 | .vendor = PCI_VENDOR_ID_RICOH, | |
667 | .device = 0xe822, | |
668 | .subvendor = PCI_ANY_ID, | |
669 | .subdevice = PCI_ANY_ID, | |
670 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
671 | }, | |
672 | ||
5fd11c07 MI |
673 | { |
674 | .vendor = PCI_VENDOR_ID_RICOH, | |
675 | .device = 0xe823, | |
676 | .subvendor = PCI_ANY_ID, | |
677 | .subdevice = PCI_ANY_ID, | |
678 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
679 | }, | |
680 | ||
b8c86fc5 PO |
681 | { |
682 | .vendor = PCI_VENDOR_ID_ENE, | |
683 | .device = PCI_DEVICE_ID_ENE_CB712_SD, | |
684 | .subvendor = PCI_ANY_ID, | |
685 | .subdevice = PCI_ANY_ID, | |
22606405 | 686 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
b8c86fc5 PO |
687 | }, |
688 | ||
689 | { | |
690 | .vendor = PCI_VENDOR_ID_ENE, | |
691 | .device = PCI_DEVICE_ID_ENE_CB712_SD_2, | |
692 | .subvendor = PCI_ANY_ID, | |
693 | .subdevice = PCI_ANY_ID, | |
22606405 | 694 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
b8c86fc5 PO |
695 | }, |
696 | ||
697 | { | |
698 | .vendor = PCI_VENDOR_ID_ENE, | |
699 | .device = PCI_DEVICE_ID_ENE_CB714_SD, | |
700 | .subvendor = PCI_ANY_ID, | |
701 | .subdevice = PCI_ANY_ID, | |
22606405 | 702 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
b8c86fc5 PO |
703 | }, |
704 | ||
705 | { | |
706 | .vendor = PCI_VENDOR_ID_ENE, | |
707 | .device = PCI_DEVICE_ID_ENE_CB714_SD_2, | |
708 | .subvendor = PCI_ANY_ID, | |
709 | .subdevice = PCI_ANY_ID, | |
22606405 | 710 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
b8c86fc5 PO |
711 | }, |
712 | ||
713 | { | |
714 | .vendor = PCI_VENDOR_ID_MARVELL, | |
8c5eb880 | 715 | .device = PCI_DEVICE_ID_MARVELL_88ALP01_SD, |
b8c86fc5 PO |
716 | .subvendor = PCI_ANY_ID, |
717 | .subdevice = PCI_ANY_ID, | |
22606405 | 718 | .driver_data = (kernel_ulong_t)&sdhci_cafe, |
b8c86fc5 PO |
719 | }, |
720 | ||
721 | { | |
722 | .vendor = PCI_VENDOR_ID_JMICRON, | |
723 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_SD, | |
724 | .subvendor = PCI_ANY_ID, | |
725 | .subdevice = PCI_ANY_ID, | |
22606405 | 726 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
b8c86fc5 PO |
727 | }, |
728 | ||
4489428a PO |
729 | { |
730 | .vendor = PCI_VENDOR_ID_JMICRON, | |
731 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_MMC, | |
732 | .subvendor = PCI_ANY_ID, | |
733 | .subdevice = PCI_ANY_ID, | |
734 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
8f230f45 TI |
735 | }, |
736 | ||
737 | { | |
738 | .vendor = PCI_VENDOR_ID_JMICRON, | |
739 | .device = PCI_DEVICE_ID_JMICRON_JMB388_SD, | |
740 | .subvendor = PCI_ANY_ID, | |
741 | .subdevice = PCI_ANY_ID, | |
742 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
743 | }, | |
744 | ||
745 | { | |
746 | .vendor = PCI_VENDOR_ID_JMICRON, | |
747 | .device = PCI_DEVICE_ID_JMICRON_JMB388_ESD, | |
748 | .subvendor = PCI_ANY_ID, | |
749 | .subdevice = PCI_ANY_ID, | |
750 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
4489428a PO |
751 | }, |
752 | ||
a7a6186c NP |
753 | { |
754 | .vendor = PCI_VENDOR_ID_SYSKONNECT, | |
755 | .device = 0x8000, | |
756 | .subvendor = PCI_ANY_ID, | |
757 | .subdevice = PCI_ANY_ID, | |
758 | .driver_data = (kernel_ulong_t)&sdhci_syskt, | |
759 | }, | |
760 | ||
557b0697 HW |
761 | { |
762 | .vendor = PCI_VENDOR_ID_VIA, | |
763 | .device = 0x95d0, | |
764 | .subvendor = PCI_ANY_ID, | |
765 | .subdevice = PCI_ANY_ID, | |
766 | .driver_data = (kernel_ulong_t)&sdhci_via, | |
9107ebbf MC |
767 | }, |
768 | ||
769 | { | |
770 | .vendor = PCI_VENDOR_ID_REALTEK, | |
771 | .device = 0x5250, | |
772 | .subvendor = PCI_ANY_ID, | |
773 | .subdevice = PCI_ANY_ID, | |
774 | .driver_data = (kernel_ulong_t)&sdhci_rtsx, | |
557b0697 HW |
775 | }, |
776 | ||
43e968ce DB |
777 | { |
778 | .vendor = PCI_VENDOR_ID_INTEL, | |
779 | .device = PCI_DEVICE_ID_INTEL_QRK_SD, | |
780 | .subvendor = PCI_ANY_ID, | |
781 | .subdevice = PCI_ANY_ID, | |
782 | .driver_data = (kernel_ulong_t)&sdhci_intel_qrk, | |
783 | }, | |
784 | ||
29229052 XS |
785 | { |
786 | .vendor = PCI_VENDOR_ID_INTEL, | |
f9ee3eab AC |
787 | .device = PCI_DEVICE_ID_INTEL_MRST_SD0, |
788 | .subvendor = PCI_ANY_ID, | |
789 | .subdevice = PCI_ANY_ID, | |
790 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc0, | |
791 | }, | |
792 | ||
793 | { | |
794 | .vendor = PCI_VENDOR_ID_INTEL, | |
795 | .device = PCI_DEVICE_ID_INTEL_MRST_SD1, | |
796 | .subvendor = PCI_ANY_ID, | |
797 | .subdevice = PCI_ANY_ID, | |
35ac6f08 JP |
798 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, |
799 | }, | |
800 | ||
801 | { | |
802 | .vendor = PCI_VENDOR_ID_INTEL, | |
803 | .device = PCI_DEVICE_ID_INTEL_MRST_SD2, | |
804 | .subvendor = PCI_ANY_ID, | |
805 | .subdevice = PCI_ANY_ID, | |
806 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, | |
f9ee3eab AC |
807 | }, |
808 | ||
809 | { | |
810 | .vendor = PCI_VENDOR_ID_INTEL, | |
29229052 XS |
811 | .device = PCI_DEVICE_ID_INTEL_MFD_SD, |
812 | .subvendor = PCI_ANY_ID, | |
813 | .subdevice = PCI_ANY_ID, | |
814 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, | |
815 | }, | |
816 | ||
817 | { | |
818 | .vendor = PCI_VENDOR_ID_INTEL, | |
819 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO1, | |
820 | .subvendor = PCI_ANY_ID, | |
821 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 822 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
29229052 XS |
823 | }, |
824 | ||
825 | { | |
826 | .vendor = PCI_VENDOR_ID_INTEL, | |
827 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO2, | |
828 | .subvendor = PCI_ANY_ID, | |
829 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 830 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
29229052 XS |
831 | }, |
832 | ||
833 | { | |
834 | .vendor = PCI_VENDOR_ID_INTEL, | |
835 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC0, | |
836 | .subvendor = PCI_ANY_ID, | |
837 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 838 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
29229052 XS |
839 | }, |
840 | ||
841 | { | |
842 | .vendor = PCI_VENDOR_ID_INTEL, | |
843 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC1, | |
844 | .subvendor = PCI_ANY_ID, | |
845 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 846 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
29229052 XS |
847 | }, |
848 | ||
296e0b03 AS |
849 | { |
850 | .vendor = PCI_VENDOR_ID_INTEL, | |
851 | .device = PCI_DEVICE_ID_INTEL_PCH_SDIO0, | |
852 | .subvendor = PCI_ANY_ID, | |
853 | .subdevice = PCI_ANY_ID, | |
854 | .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, | |
855 | }, | |
856 | ||
857 | { | |
858 | .vendor = PCI_VENDOR_ID_INTEL, | |
859 | .device = PCI_DEVICE_ID_INTEL_PCH_SDIO1, | |
860 | .subvendor = PCI_ANY_ID, | |
861 | .subdevice = PCI_ANY_ID, | |
862 | .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, | |
863 | }, | |
864 | ||
728ef3d1 AH |
865 | { |
866 | .vendor = PCI_VENDOR_ID_INTEL, | |
867 | .device = PCI_DEVICE_ID_INTEL_BYT_EMMC, | |
868 | .subvendor = PCI_ANY_ID, | |
869 | .subdevice = PCI_ANY_ID, | |
870 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
871 | }, | |
872 | ||
873 | { | |
874 | .vendor = PCI_VENDOR_ID_INTEL, | |
875 | .device = PCI_DEVICE_ID_INTEL_BYT_SDIO, | |
876 | .subvendor = PCI_ANY_ID, | |
877 | .subdevice = PCI_ANY_ID, | |
878 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, | |
879 | }, | |
880 | ||
881 | { | |
882 | .vendor = PCI_VENDOR_ID_INTEL, | |
883 | .device = PCI_DEVICE_ID_INTEL_BYT_SD, | |
884 | .subvendor = PCI_ANY_ID, | |
885 | .subdevice = PCI_ANY_ID, | |
886 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, | |
887 | }, | |
888 | ||
30d025c0 AH |
889 | { |
890 | .vendor = PCI_VENDOR_ID_INTEL, | |
891 | .device = PCI_DEVICE_ID_INTEL_BYT_EMMC2, | |
892 | .subvendor = PCI_ANY_ID, | |
893 | .subdevice = PCI_ANY_ID, | |
894 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
895 | }, | |
896 | ||
066173b6 AC |
897 | { |
898 | .vendor = PCI_VENDOR_ID_INTEL, | |
899 | .device = PCI_DEVICE_ID_INTEL_BSW_EMMC, | |
900 | .subvendor = PCI_ANY_ID, | |
901 | .subdevice = PCI_ANY_ID, | |
902 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
903 | }, | |
904 | ||
905 | { | |
906 | .vendor = PCI_VENDOR_ID_INTEL, | |
907 | .device = PCI_DEVICE_ID_INTEL_BSW_SDIO, | |
908 | .subvendor = PCI_ANY_ID, | |
909 | .subdevice = PCI_ANY_ID, | |
910 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, | |
911 | }, | |
912 | ||
913 | { | |
914 | .vendor = PCI_VENDOR_ID_INTEL, | |
915 | .device = PCI_DEVICE_ID_INTEL_BSW_SD, | |
916 | .subvendor = PCI_ANY_ID, | |
917 | .subdevice = PCI_ANY_ID, | |
918 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, | |
919 | }, | |
d052068a EE |
920 | |
921 | { | |
922 | .vendor = PCI_VENDOR_ID_INTEL, | |
923 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO0, | |
924 | .subvendor = PCI_ANY_ID, | |
925 | .subdevice = PCI_ANY_ID, | |
926 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, | |
927 | }, | |
928 | ||
929 | { | |
930 | .vendor = PCI_VENDOR_ID_INTEL, | |
931 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO1, | |
932 | .subvendor = PCI_ANY_ID, | |
933 | .subdevice = PCI_ANY_ID, | |
934 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, | |
935 | }, | |
936 | ||
937 | { | |
938 | .vendor = PCI_VENDOR_ID_INTEL, | |
939 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO2, | |
940 | .subvendor = PCI_ANY_ID, | |
941 | .subdevice = PCI_ANY_ID, | |
942 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, | |
943 | }, | |
944 | ||
945 | { | |
946 | .vendor = PCI_VENDOR_ID_INTEL, | |
947 | .device = PCI_DEVICE_ID_INTEL_CLV_EMMC0, | |
948 | .subvendor = PCI_ANY_ID, | |
949 | .subdevice = PCI_ANY_ID, | |
950 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, | |
951 | }, | |
952 | ||
953 | { | |
954 | .vendor = PCI_VENDOR_ID_INTEL, | |
955 | .device = PCI_DEVICE_ID_INTEL_CLV_EMMC1, | |
956 | .subvendor = PCI_ANY_ID, | |
957 | .subdevice = PCI_ANY_ID, | |
958 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, | |
959 | }, | |
960 | ||
8776a165 DC |
961 | { |
962 | .vendor = PCI_VENDOR_ID_INTEL, | |
963 | .device = PCI_DEVICE_ID_INTEL_MRFL_MMC, | |
964 | .subvendor = PCI_ANY_ID, | |
965 | .subdevice = PCI_ANY_ID, | |
966 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrfl_mmc, | |
967 | }, | |
26daa1ed JL |
968 | { |
969 | .vendor = PCI_VENDOR_ID_O2, | |
970 | .device = PCI_DEVICE_ID_O2_8120, | |
971 | .subvendor = PCI_ANY_ID, | |
972 | .subdevice = PCI_ANY_ID, | |
973 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
974 | }, | |
975 | ||
976 | { | |
977 | .vendor = PCI_VENDOR_ID_O2, | |
978 | .device = PCI_DEVICE_ID_O2_8220, | |
979 | .subvendor = PCI_ANY_ID, | |
980 | .subdevice = PCI_ANY_ID, | |
981 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
982 | }, | |
983 | ||
984 | { | |
985 | .vendor = PCI_VENDOR_ID_O2, | |
986 | .device = PCI_DEVICE_ID_O2_8221, | |
987 | .subvendor = PCI_ANY_ID, | |
988 | .subdevice = PCI_ANY_ID, | |
989 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
990 | }, | |
991 | ||
992 | { | |
993 | .vendor = PCI_VENDOR_ID_O2, | |
994 | .device = PCI_DEVICE_ID_O2_8320, | |
995 | .subvendor = PCI_ANY_ID, | |
996 | .subdevice = PCI_ANY_ID, | |
997 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
998 | }, | |
999 | ||
1000 | { | |
1001 | .vendor = PCI_VENDOR_ID_O2, | |
1002 | .device = PCI_DEVICE_ID_O2_8321, | |
1003 | .subvendor = PCI_ANY_ID, | |
1004 | .subdevice = PCI_ANY_ID, | |
1005 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1006 | }, | |
1007 | ||
01acf691 AL |
1008 | { |
1009 | .vendor = PCI_VENDOR_ID_O2, | |
1010 | .device = PCI_DEVICE_ID_O2_FUJIN2, | |
1011 | .subvendor = PCI_ANY_ID, | |
1012 | .subdevice = PCI_ANY_ID, | |
1013 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1014 | }, | |
1015 | ||
1016 | { | |
1017 | .vendor = PCI_VENDOR_ID_O2, | |
1018 | .device = PCI_DEVICE_ID_O2_SDS0, | |
1019 | .subvendor = PCI_ANY_ID, | |
1020 | .subdevice = PCI_ANY_ID, | |
1021 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1022 | }, | |
1023 | ||
1024 | { | |
1025 | .vendor = PCI_VENDOR_ID_O2, | |
1026 | .device = PCI_DEVICE_ID_O2_SDS1, | |
1027 | .subvendor = PCI_ANY_ID, | |
1028 | .subdevice = PCI_ANY_ID, | |
1029 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1030 | }, | |
1031 | ||
1032 | { | |
1033 | .vendor = PCI_VENDOR_ID_O2, | |
1034 | .device = PCI_DEVICE_ID_O2_SEABIRD0, | |
1035 | .subvendor = PCI_ANY_ID, | |
1036 | .subdevice = PCI_ANY_ID, | |
1037 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1038 | }, | |
1039 | ||
1040 | { | |
1041 | .vendor = PCI_VENDOR_ID_O2, | |
1042 | .device = PCI_DEVICE_ID_O2_SEABIRD1, | |
1043 | .subvendor = PCI_ANY_ID, | |
1044 | .subdevice = PCI_ANY_ID, | |
1045 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1046 | }, | |
1047 | ||
b8c86fc5 PO |
1048 | { /* Generic SD host controller */ |
1049 | PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00) | |
1050 | }, | |
1051 | ||
1052 | { /* end: all zeroes */ }, | |
1053 | }; | |
1054 | ||
1055 | MODULE_DEVICE_TABLE(pci, pci_ids); | |
1056 | ||
b8c86fc5 PO |
1057 | /*****************************************************************************\ |
1058 | * * | |
1059 | * SDHCI core callbacks * | |
1060 | * * | |
1061 | \*****************************************************************************/ | |
1062 | ||
1063 | static int sdhci_pci_enable_dma(struct sdhci_host *host) | |
1064 | { | |
1065 | struct sdhci_pci_slot *slot; | |
1066 | struct pci_dev *pdev; | |
1067 | int ret; | |
1068 | ||
1069 | slot = sdhci_priv(host); | |
1070 | pdev = slot->chip->pdev; | |
1071 | ||
1072 | if (((pdev->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI << 8)) && | |
1073 | ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) && | |
a13abc7b | 1074 | (host->flags & SDHCI_USE_SDMA)) { |
b8c86fc5 PO |
1075 | dev_warn(&pdev->dev, "Will use DMA mode even though HW " |
1076 | "doesn't fully claim to support it.\n"); | |
1077 | } | |
1078 | ||
284901a9 | 1079 | ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
b8c86fc5 PO |
1080 | if (ret) |
1081 | return ret; | |
1082 | ||
1083 | pci_set_master(pdev); | |
1084 | ||
1085 | return 0; | |
1086 | } | |
1087 | ||
2317f56c | 1088 | static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width) |
68077b02 ML |
1089 | { |
1090 | u8 ctrl; | |
1091 | ||
1092 | ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); | |
1093 | ||
1094 | switch (width) { | |
1095 | case MMC_BUS_WIDTH_8: | |
1096 | ctrl |= SDHCI_CTRL_8BITBUS; | |
1097 | ctrl &= ~SDHCI_CTRL_4BITBUS; | |
1098 | break; | |
1099 | case MMC_BUS_WIDTH_4: | |
1100 | ctrl |= SDHCI_CTRL_4BITBUS; | |
1101 | ctrl &= ~SDHCI_CTRL_8BITBUS; | |
1102 | break; | |
1103 | default: | |
1104 | ctrl &= ~(SDHCI_CTRL_8BITBUS | SDHCI_CTRL_4BITBUS); | |
1105 | break; | |
1106 | } | |
1107 | ||
1108 | sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); | |
68077b02 ML |
1109 | } |
1110 | ||
c9faff6c | 1111 | static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host) |
0f201655 AH |
1112 | { |
1113 | struct sdhci_pci_slot *slot = sdhci_priv(host); | |
1114 | int rst_n_gpio = slot->rst_n_gpio; | |
1115 | ||
1116 | if (!gpio_is_valid(rst_n_gpio)) | |
1117 | return; | |
1118 | gpio_set_value_cansleep(rst_n_gpio, 0); | |
1119 | /* For eMMC, minimum is 1us but give it 10us for good measure */ | |
1120 | udelay(10); | |
1121 | gpio_set_value_cansleep(rst_n_gpio, 1); | |
1122 | /* For eMMC, minimum is 200us but give it 300us for good measure */ | |
1123 | usleep_range(300, 1000); | |
1124 | } | |
1125 | ||
c9faff6c AH |
1126 | static void sdhci_pci_hw_reset(struct sdhci_host *host) |
1127 | { | |
1128 | struct sdhci_pci_slot *slot = sdhci_priv(host); | |
1129 | ||
1130 | if (slot->hw_reset) | |
1131 | slot->hw_reset(host); | |
1132 | } | |
1133 | ||
c915568d | 1134 | static const struct sdhci_ops sdhci_pci_ops = { |
1771059c | 1135 | .set_clock = sdhci_set_clock, |
b8c86fc5 | 1136 | .enable_dma = sdhci_pci_enable_dma, |
2317f56c | 1137 | .set_bus_width = sdhci_pci_set_bus_width, |
03231f9b | 1138 | .reset = sdhci_reset, |
96d7b78c | 1139 | .set_uhs_signaling = sdhci_set_uhs_signaling, |
0f201655 | 1140 | .hw_reset = sdhci_pci_hw_reset, |
b8c86fc5 PO |
1141 | }; |
1142 | ||
1143 | /*****************************************************************************\ | |
1144 | * * | |
1145 | * Suspend/resume * | |
1146 | * * | |
1147 | \*****************************************************************************/ | |
1148 | ||
1149 | #ifdef CONFIG_PM | |
1150 | ||
29495aa0 | 1151 | static int sdhci_pci_suspend(struct device *dev) |
b8c86fc5 | 1152 | { |
29495aa0 | 1153 | struct pci_dev *pdev = to_pci_dev(dev); |
b8c86fc5 PO |
1154 | struct sdhci_pci_chip *chip; |
1155 | struct sdhci_pci_slot *slot; | |
5f619704 | 1156 | mmc_pm_flag_t slot_pm_flags; |
2f4cbb3d | 1157 | mmc_pm_flag_t pm_flags = 0; |
b8c86fc5 PO |
1158 | int i, ret; |
1159 | ||
1160 | chip = pci_get_drvdata(pdev); | |
1161 | if (!chip) | |
1162 | return 0; | |
1163 | ||
b177bc91 | 1164 | for (i = 0; i < chip->num_slots; i++) { |
b8c86fc5 PO |
1165 | slot = chip->slots[i]; |
1166 | if (!slot) | |
1167 | continue; | |
1168 | ||
29495aa0 | 1169 | ret = sdhci_suspend_host(slot->host); |
b8c86fc5 | 1170 | |
b678b91f AL |
1171 | if (ret) |
1172 | goto err_pci_suspend; | |
2f4cbb3d | 1173 | |
5f619704 DD |
1174 | slot_pm_flags = slot->host->mmc->pm_flags; |
1175 | if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ) | |
1176 | sdhci_enable_irq_wakeups(slot->host); | |
1177 | ||
1178 | pm_flags |= slot_pm_flags; | |
b8c86fc5 PO |
1179 | } |
1180 | ||
4489428a | 1181 | if (chip->fixes && chip->fixes->suspend) { |
29495aa0 | 1182 | ret = chip->fixes->suspend(chip); |
b678b91f AL |
1183 | if (ret) |
1184 | goto err_pci_suspend; | |
4489428a PO |
1185 | } |
1186 | ||
2f4cbb3d | 1187 | if (pm_flags & MMC_PM_KEEP_POWER) { |
6b91f2d4 CD |
1188 | if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) |
1189 | device_init_wakeup(dev, true); | |
1190 | else | |
1191 | device_init_wakeup(dev, false); | |
1192 | } else | |
1193 | device_init_wakeup(dev, false); | |
b8c86fc5 PO |
1194 | |
1195 | return 0; | |
b678b91f AL |
1196 | |
1197 | err_pci_suspend: | |
1198 | while (--i >= 0) | |
1199 | sdhci_resume_host(chip->slots[i]->host); | |
1200 | return ret; | |
b8c86fc5 PO |
1201 | } |
1202 | ||
29495aa0 | 1203 | static int sdhci_pci_resume(struct device *dev) |
b8c86fc5 | 1204 | { |
29495aa0 | 1205 | struct pci_dev *pdev = to_pci_dev(dev); |
b8c86fc5 PO |
1206 | struct sdhci_pci_chip *chip; |
1207 | struct sdhci_pci_slot *slot; | |
1208 | int i, ret; | |
1209 | ||
1210 | chip = pci_get_drvdata(pdev); | |
1211 | if (!chip) | |
1212 | return 0; | |
1213 | ||
45211e21 PO |
1214 | if (chip->fixes && chip->fixes->resume) { |
1215 | ret = chip->fixes->resume(chip); | |
1216 | if (ret) | |
1217 | return ret; | |
1218 | } | |
1219 | ||
b177bc91 | 1220 | for (i = 0; i < chip->num_slots; i++) { |
b8c86fc5 PO |
1221 | slot = chip->slots[i]; |
1222 | if (!slot) | |
1223 | continue; | |
1224 | ||
1225 | ret = sdhci_resume_host(slot->host); | |
1226 | if (ret) | |
1227 | return ret; | |
1228 | } | |
1229 | ||
1230 | return 0; | |
1231 | } | |
1232 | ||
1233 | #else /* CONFIG_PM */ | |
1234 | ||
1235 | #define sdhci_pci_suspend NULL | |
1236 | #define sdhci_pci_resume NULL | |
1237 | ||
1238 | #endif /* CONFIG_PM */ | |
1239 | ||
66fd8ad5 AH |
1240 | #ifdef CONFIG_PM_RUNTIME |
1241 | ||
1242 | static int sdhci_pci_runtime_suspend(struct device *dev) | |
1243 | { | |
1244 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
1245 | struct sdhci_pci_chip *chip; | |
1246 | struct sdhci_pci_slot *slot; | |
66fd8ad5 AH |
1247 | int i, ret; |
1248 | ||
1249 | chip = pci_get_drvdata(pdev); | |
1250 | if (!chip) | |
1251 | return 0; | |
1252 | ||
1253 | for (i = 0; i < chip->num_slots; i++) { | |
1254 | slot = chip->slots[i]; | |
1255 | if (!slot) | |
1256 | continue; | |
1257 | ||
1258 | ret = sdhci_runtime_suspend_host(slot->host); | |
1259 | ||
b678b91f AL |
1260 | if (ret) |
1261 | goto err_pci_runtime_suspend; | |
66fd8ad5 AH |
1262 | } |
1263 | ||
1264 | if (chip->fixes && chip->fixes->suspend) { | |
29495aa0 | 1265 | ret = chip->fixes->suspend(chip); |
b678b91f AL |
1266 | if (ret) |
1267 | goto err_pci_runtime_suspend; | |
66fd8ad5 AH |
1268 | } |
1269 | ||
1270 | return 0; | |
b678b91f AL |
1271 | |
1272 | err_pci_runtime_suspend: | |
1273 | while (--i >= 0) | |
1274 | sdhci_runtime_resume_host(chip->slots[i]->host); | |
1275 | return ret; | |
66fd8ad5 AH |
1276 | } |
1277 | ||
1278 | static int sdhci_pci_runtime_resume(struct device *dev) | |
1279 | { | |
1280 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
1281 | struct sdhci_pci_chip *chip; | |
1282 | struct sdhci_pci_slot *slot; | |
1283 | int i, ret; | |
1284 | ||
1285 | chip = pci_get_drvdata(pdev); | |
1286 | if (!chip) | |
1287 | return 0; | |
1288 | ||
1289 | if (chip->fixes && chip->fixes->resume) { | |
1290 | ret = chip->fixes->resume(chip); | |
1291 | if (ret) | |
1292 | return ret; | |
1293 | } | |
1294 | ||
1295 | for (i = 0; i < chip->num_slots; i++) { | |
1296 | slot = chip->slots[i]; | |
1297 | if (!slot) | |
1298 | continue; | |
1299 | ||
1300 | ret = sdhci_runtime_resume_host(slot->host); | |
1301 | if (ret) | |
1302 | return ret; | |
1303 | } | |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
1308 | static int sdhci_pci_runtime_idle(struct device *dev) | |
1309 | { | |
1310 | return 0; | |
1311 | } | |
1312 | ||
66fd8ad5 AH |
1313 | #endif |
1314 | ||
1315 | static const struct dev_pm_ops sdhci_pci_pm_ops = { | |
29495aa0 ML |
1316 | .suspend = sdhci_pci_suspend, |
1317 | .resume = sdhci_pci_resume, | |
f3a92b1a PG |
1318 | SET_RUNTIME_PM_OPS(sdhci_pci_runtime_suspend, |
1319 | sdhci_pci_runtime_resume, sdhci_pci_runtime_idle) | |
66fd8ad5 AH |
1320 | }; |
1321 | ||
b8c86fc5 PO |
1322 | /*****************************************************************************\ |
1323 | * * | |
1324 | * Device probing/removal * | |
1325 | * * | |
1326 | \*****************************************************************************/ | |
1327 | ||
c3be1efd | 1328 | static struct sdhci_pci_slot *sdhci_pci_probe_slot( |
52c506f0 AH |
1329 | struct pci_dev *pdev, struct sdhci_pci_chip *chip, int first_bar, |
1330 | int slotno) | |
b8c86fc5 PO |
1331 | { |
1332 | struct sdhci_pci_slot *slot; | |
1333 | struct sdhci_host *host; | |
52c506f0 | 1334 | int ret, bar = first_bar + slotno; |
b8c86fc5 PO |
1335 | |
1336 | if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) { | |
1337 | dev_err(&pdev->dev, "BAR %d is not iomem. Aborting.\n", bar); | |
1338 | return ERR_PTR(-ENODEV); | |
1339 | } | |
1340 | ||
90b3e6c5 | 1341 | if (pci_resource_len(pdev, bar) < 0x100) { |
b8c86fc5 PO |
1342 | dev_err(&pdev->dev, "Invalid iomem size. You may " |
1343 | "experience problems.\n"); | |
1344 | } | |
1345 | ||
1346 | if ((pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { | |
1347 | dev_err(&pdev->dev, "Vendor specific interface. Aborting.\n"); | |
1348 | return ERR_PTR(-ENODEV); | |
1349 | } | |
1350 | ||
1351 | if ((pdev->class & 0x0000FF) > PCI_SDHCI_IFVENDOR) { | |
1352 | dev_err(&pdev->dev, "Unknown interface. Aborting.\n"); | |
1353 | return ERR_PTR(-ENODEV); | |
1354 | } | |
1355 | ||
1356 | host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot)); | |
1357 | if (IS_ERR(host)) { | |
c60a32cd | 1358 | dev_err(&pdev->dev, "cannot allocate host\n"); |
dc0fd7b5 | 1359 | return ERR_CAST(host); |
b8c86fc5 PO |
1360 | } |
1361 | ||
1362 | slot = sdhci_priv(host); | |
1363 | ||
1364 | slot->chip = chip; | |
1365 | slot->host = host; | |
1366 | slot->pci_bar = bar; | |
0f201655 | 1367 | slot->rst_n_gpio = -EINVAL; |
c5e027a4 | 1368 | slot->cd_gpio = -EINVAL; |
ff59c520 | 1369 | slot->cd_idx = -1; |
b8c86fc5 | 1370 | |
52c506f0 AH |
1371 | /* Retrieve platform data if there is any */ |
1372 | if (*sdhci_pci_get_data) | |
1373 | slot->data = sdhci_pci_get_data(pdev, slotno); | |
1374 | ||
1375 | if (slot->data) { | |
1376 | if (slot->data->setup) { | |
1377 | ret = slot->data->setup(slot->data); | |
1378 | if (ret) { | |
1379 | dev_err(&pdev->dev, "platform setup failed\n"); | |
1380 | goto free; | |
1381 | } | |
1382 | } | |
c5e027a4 AH |
1383 | slot->rst_n_gpio = slot->data->rst_n_gpio; |
1384 | slot->cd_gpio = slot->data->cd_gpio; | |
52c506f0 AH |
1385 | } |
1386 | ||
b8c86fc5 PO |
1387 | host->hw_name = "PCI"; |
1388 | host->ops = &sdhci_pci_ops; | |
1389 | host->quirks = chip->quirks; | |
f3c55a7b | 1390 | host->quirks2 = chip->quirks2; |
b8c86fc5 PO |
1391 | |
1392 | host->irq = pdev->irq; | |
1393 | ||
1394 | ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc)); | |
1395 | if (ret) { | |
1396 | dev_err(&pdev->dev, "cannot request region\n"); | |
52c506f0 | 1397 | goto cleanup; |
b8c86fc5 PO |
1398 | } |
1399 | ||
092f82ed | 1400 | host->ioaddr = pci_ioremap_bar(pdev, bar); |
b8c86fc5 PO |
1401 | if (!host->ioaddr) { |
1402 | dev_err(&pdev->dev, "failed to remap registers\n"); | |
9fdcdbb0 | 1403 | ret = -ENOMEM; |
b8c86fc5 PO |
1404 | goto release; |
1405 | } | |
1406 | ||
4489428a PO |
1407 | if (chip->fixes && chip->fixes->probe_slot) { |
1408 | ret = chip->fixes->probe_slot(slot); | |
1409 | if (ret) | |
1410 | goto unmap; | |
1411 | } | |
1412 | ||
c5e027a4 AH |
1413 | if (gpio_is_valid(slot->rst_n_gpio)) { |
1414 | if (!gpio_request(slot->rst_n_gpio, "eMMC_reset")) { | |
1415 | gpio_direction_output(slot->rst_n_gpio, 1); | |
1416 | slot->host->mmc->caps |= MMC_CAP_HW_RESET; | |
c9faff6c | 1417 | slot->hw_reset = sdhci_pci_gpio_hw_reset; |
c5e027a4 AH |
1418 | } else { |
1419 | dev_warn(&pdev->dev, "failed to request rst_n_gpio\n"); | |
1420 | slot->rst_n_gpio = -EINVAL; | |
1421 | } | |
1422 | } | |
1423 | ||
2f4cbb3d | 1424 | host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ; |
eed222ac | 1425 | host->mmc->slotno = slotno; |
a08b17be | 1426 | host->mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP; |
2f4cbb3d | 1427 | |
ff59c520 AH |
1428 | if (slot->cd_idx >= 0 && |
1429 | mmc_gpiod_request_cd(host->mmc, slot->cd_con_id, slot->cd_idx, | |
1430 | slot->cd_override_level, 0, NULL)) { | |
1431 | dev_warn(&pdev->dev, "failed to setup card detect gpio\n"); | |
1432 | slot->cd_idx = -1; | |
1433 | } | |
1434 | ||
b8c86fc5 PO |
1435 | ret = sdhci_add_host(host); |
1436 | if (ret) | |
4489428a | 1437 | goto remove; |
b8c86fc5 | 1438 | |
c5e027a4 AH |
1439 | sdhci_pci_add_own_cd(slot); |
1440 | ||
77a0122e AH |
1441 | /* |
1442 | * Check if the chip needs a separate GPIO for card detect to wake up | |
1443 | * from runtime suspend. If it is not there, don't allow runtime PM. | |
1444 | * Note sdhci_pci_add_own_cd() sets slot->cd_gpio to -EINVAL on failure. | |
1445 | */ | |
945be38c | 1446 | if (chip->fixes && chip->fixes->own_cd_for_runtime_pm && |
ff59c520 | 1447 | !gpio_is_valid(slot->cd_gpio) && slot->cd_idx < 0) |
77a0122e AH |
1448 | chip->allow_runtime_pm = false; |
1449 | ||
b8c86fc5 PO |
1450 | return slot; |
1451 | ||
4489428a | 1452 | remove: |
c5e027a4 AH |
1453 | if (gpio_is_valid(slot->rst_n_gpio)) |
1454 | gpio_free(slot->rst_n_gpio); | |
1455 | ||
4489428a | 1456 | if (chip->fixes && chip->fixes->remove_slot) |
1e72859e | 1457 | chip->fixes->remove_slot(slot, 0); |
4489428a | 1458 | |
b8c86fc5 PO |
1459 | unmap: |
1460 | iounmap(host->ioaddr); | |
1461 | ||
1462 | release: | |
1463 | pci_release_region(pdev, bar); | |
c60a32cd | 1464 | |
52c506f0 AH |
1465 | cleanup: |
1466 | if (slot->data && slot->data->cleanup) | |
1467 | slot->data->cleanup(slot->data); | |
1468 | ||
c60a32cd | 1469 | free: |
b8c86fc5 PO |
1470 | sdhci_free_host(host); |
1471 | ||
1472 | return ERR_PTR(ret); | |
1473 | } | |
1474 | ||
1475 | static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot) | |
1476 | { | |
1e72859e PO |
1477 | int dead; |
1478 | u32 scratch; | |
1479 | ||
c5e027a4 AH |
1480 | sdhci_pci_remove_own_cd(slot); |
1481 | ||
1e72859e PO |
1482 | dead = 0; |
1483 | scratch = readl(slot->host->ioaddr + SDHCI_INT_STATUS); | |
1484 | if (scratch == (u32)-1) | |
1485 | dead = 1; | |
1486 | ||
1487 | sdhci_remove_host(slot->host, dead); | |
4489428a | 1488 | |
c5e027a4 AH |
1489 | if (gpio_is_valid(slot->rst_n_gpio)) |
1490 | gpio_free(slot->rst_n_gpio); | |
1491 | ||
4489428a | 1492 | if (slot->chip->fixes && slot->chip->fixes->remove_slot) |
1e72859e | 1493 | slot->chip->fixes->remove_slot(slot, dead); |
4489428a | 1494 | |
52c506f0 AH |
1495 | if (slot->data && slot->data->cleanup) |
1496 | slot->data->cleanup(slot->data); | |
1497 | ||
b8c86fc5 | 1498 | pci_release_region(slot->chip->pdev, slot->pci_bar); |
4489428a | 1499 | |
b8c86fc5 PO |
1500 | sdhci_free_host(slot->host); |
1501 | } | |
1502 | ||
c3be1efd | 1503 | static void sdhci_pci_runtime_pm_allow(struct device *dev) |
66fd8ad5 AH |
1504 | { |
1505 | pm_runtime_put_noidle(dev); | |
1506 | pm_runtime_allow(dev); | |
1507 | pm_runtime_set_autosuspend_delay(dev, 50); | |
1508 | pm_runtime_use_autosuspend(dev); | |
1509 | pm_suspend_ignore_children(dev, 1); | |
1510 | } | |
1511 | ||
6e0ee714 | 1512 | static void sdhci_pci_runtime_pm_forbid(struct device *dev) |
66fd8ad5 AH |
1513 | { |
1514 | pm_runtime_forbid(dev); | |
1515 | pm_runtime_get_noresume(dev); | |
1516 | } | |
1517 | ||
c3be1efd | 1518 | static int sdhci_pci_probe(struct pci_dev *pdev, |
b8c86fc5 PO |
1519 | const struct pci_device_id *ent) |
1520 | { | |
1521 | struct sdhci_pci_chip *chip; | |
1522 | struct sdhci_pci_slot *slot; | |
1523 | ||
cf5e23e1 | 1524 | u8 slots, first_bar; |
b8c86fc5 PO |
1525 | int ret, i; |
1526 | ||
1527 | BUG_ON(pdev == NULL); | |
1528 | BUG_ON(ent == NULL); | |
1529 | ||
b8c86fc5 | 1530 | dev_info(&pdev->dev, "SDHCI controller found [%04x:%04x] (rev %x)\n", |
cf5e23e1 | 1531 | (int)pdev->vendor, (int)pdev->device, (int)pdev->revision); |
b8c86fc5 PO |
1532 | |
1533 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots); | |
1534 | if (ret) | |
1535 | return ret; | |
1536 | ||
1537 | slots = PCI_SLOT_INFO_SLOTS(slots) + 1; | |
1538 | dev_dbg(&pdev->dev, "found %d slot(s)\n", slots); | |
1539 | if (slots == 0) | |
1540 | return -ENODEV; | |
1541 | ||
1542 | BUG_ON(slots > MAX_SLOTS); | |
1543 | ||
1544 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar); | |
1545 | if (ret) | |
1546 | return ret; | |
1547 | ||
1548 | first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK; | |
1549 | ||
1550 | if (first_bar > 5) { | |
1551 | dev_err(&pdev->dev, "Invalid first BAR. Aborting.\n"); | |
1552 | return -ENODEV; | |
1553 | } | |
1554 | ||
1555 | ret = pci_enable_device(pdev); | |
1556 | if (ret) | |
1557 | return ret; | |
1558 | ||
1559 | chip = kzalloc(sizeof(struct sdhci_pci_chip), GFP_KERNEL); | |
1560 | if (!chip) { | |
1561 | ret = -ENOMEM; | |
1562 | goto err; | |
1563 | } | |
1564 | ||
1565 | chip->pdev = pdev; | |
b177bc91 | 1566 | chip->fixes = (const struct sdhci_pci_fixes *)ent->driver_data; |
c43fd774 | 1567 | if (chip->fixes) { |
22606405 | 1568 | chip->quirks = chip->fixes->quirks; |
f3c55a7b | 1569 | chip->quirks2 = chip->fixes->quirks2; |
c43fd774 AH |
1570 | chip->allow_runtime_pm = chip->fixes->allow_runtime_pm; |
1571 | } | |
b8c86fc5 PO |
1572 | chip->num_slots = slots; |
1573 | ||
1574 | pci_set_drvdata(pdev, chip); | |
1575 | ||
22606405 PO |
1576 | if (chip->fixes && chip->fixes->probe) { |
1577 | ret = chip->fixes->probe(chip); | |
1578 | if (ret) | |
1579 | goto free; | |
1580 | } | |
1581 | ||
225d85fe AC |
1582 | slots = chip->num_slots; /* Quirk may have changed this */ |
1583 | ||
b177bc91 | 1584 | for (i = 0; i < slots; i++) { |
52c506f0 | 1585 | slot = sdhci_pci_probe_slot(pdev, chip, first_bar, i); |
b8c86fc5 | 1586 | if (IS_ERR(slot)) { |
b177bc91 | 1587 | for (i--; i >= 0; i--) |
b8c86fc5 PO |
1588 | sdhci_pci_remove_slot(chip->slots[i]); |
1589 | ret = PTR_ERR(slot); | |
1590 | goto free; | |
1591 | } | |
1592 | ||
1593 | chip->slots[i] = slot; | |
1594 | } | |
1595 | ||
c43fd774 AH |
1596 | if (chip->allow_runtime_pm) |
1597 | sdhci_pci_runtime_pm_allow(&pdev->dev); | |
66fd8ad5 | 1598 | |
b8c86fc5 PO |
1599 | return 0; |
1600 | ||
1601 | free: | |
1602 | pci_set_drvdata(pdev, NULL); | |
1603 | kfree(chip); | |
1604 | ||
1605 | err: | |
1606 | pci_disable_device(pdev); | |
1607 | return ret; | |
1608 | } | |
1609 | ||
6e0ee714 | 1610 | static void sdhci_pci_remove(struct pci_dev *pdev) |
b8c86fc5 PO |
1611 | { |
1612 | int i; | |
1613 | struct sdhci_pci_chip *chip; | |
1614 | ||
1615 | chip = pci_get_drvdata(pdev); | |
1616 | ||
1617 | if (chip) { | |
c43fd774 AH |
1618 | if (chip->allow_runtime_pm) |
1619 | sdhci_pci_runtime_pm_forbid(&pdev->dev); | |
1620 | ||
b177bc91 | 1621 | for (i = 0; i < chip->num_slots; i++) |
b8c86fc5 PO |
1622 | sdhci_pci_remove_slot(chip->slots[i]); |
1623 | ||
1624 | pci_set_drvdata(pdev, NULL); | |
1625 | kfree(chip); | |
1626 | } | |
1627 | ||
1628 | pci_disable_device(pdev); | |
1629 | } | |
1630 | ||
1631 | static struct pci_driver sdhci_driver = { | |
b177bc91 | 1632 | .name = "sdhci-pci", |
b8c86fc5 | 1633 | .id_table = pci_ids, |
b177bc91 | 1634 | .probe = sdhci_pci_probe, |
0433c143 | 1635 | .remove = sdhci_pci_remove, |
66fd8ad5 AH |
1636 | .driver = { |
1637 | .pm = &sdhci_pci_pm_ops | |
1638 | }, | |
b8c86fc5 PO |
1639 | }; |
1640 | ||
acc69646 | 1641 | module_pci_driver(sdhci_driver); |
b8c86fc5 | 1642 | |
32710e8f | 1643 | MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>"); |
b8c86fc5 PO |
1644 | MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver"); |
1645 | MODULE_LICENSE("GPL"); |