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> |
e1bfad6d | 23 | #include <linux/mmc/mmc.h> |
b177bc91 AP |
24 | #include <linux/scatterlist.h> |
25 | #include <linux/io.h> | |
0f201655 | 26 | #include <linux/gpio.h> |
66fd8ad5 | 27 | #include <linux/pm_runtime.h> |
ff59c520 | 28 | #include <linux/mmc/slot-gpio.h> |
52c506f0 | 29 | #include <linux/mmc/sdhci-pci-data.h> |
b8c86fc5 PO |
30 | |
31 | #include "sdhci.h" | |
522624f9 | 32 | #include "sdhci-pci.h" |
01acf691 | 33 | #include "sdhci-pci-o2micro.h" |
22606405 PO |
34 | |
35 | /*****************************************************************************\ | |
36 | * * | |
37 | * Hardware specific quirk handling * | |
38 | * * | |
39 | \*****************************************************************************/ | |
40 | ||
41 | static int ricoh_probe(struct sdhci_pci_chip *chip) | |
42 | { | |
c99436fb CB |
43 | if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG || |
44 | chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY) | |
22606405 | 45 | chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET; |
ccc92c23 ML |
46 | return 0; |
47 | } | |
48 | ||
49 | static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot) | |
50 | { | |
51 | slot->host->caps = | |
52 | ((0x21 << SDHCI_TIMEOUT_CLK_SHIFT) | |
53 | & SDHCI_TIMEOUT_CLK_MASK) | | |
22606405 | 54 | |
ccc92c23 ML |
55 | ((0x21 << SDHCI_CLOCK_BASE_SHIFT) |
56 | & SDHCI_CLOCK_BASE_MASK) | | |
57 | ||
58 | SDHCI_TIMEOUT_CLK_UNIT | | |
59 | SDHCI_CAN_VDD_330 | | |
1a1f1f04 | 60 | SDHCI_CAN_DO_HISPD | |
ccc92c23 ML |
61 | SDHCI_CAN_DO_SDMA; |
62 | return 0; | |
63 | } | |
64 | ||
65 | static int ricoh_mmc_resume(struct sdhci_pci_chip *chip) | |
66 | { | |
67 | /* Apply a delay to allow controller to settle */ | |
68 | /* Otherwise it becomes confused if card state changed | |
69 | during suspend */ | |
70 | msleep(500); | |
22606405 PO |
71 | return 0; |
72 | } | |
73 | ||
74 | static const struct sdhci_pci_fixes sdhci_ricoh = { | |
75 | .probe = ricoh_probe, | |
84938294 VK |
76 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | |
77 | SDHCI_QUIRK_FORCE_DMA | | |
78 | SDHCI_QUIRK_CLOCK_BEFORE_RESET, | |
22606405 PO |
79 | }; |
80 | ||
ccc92c23 ML |
81 | static const struct sdhci_pci_fixes sdhci_ricoh_mmc = { |
82 | .probe_slot = ricoh_mmc_probe_slot, | |
83 | .resume = ricoh_mmc_resume, | |
84 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | | |
85 | SDHCI_QUIRK_CLOCK_BEFORE_RESET | | |
86 | SDHCI_QUIRK_NO_CARD_NO_RESET | | |
87 | SDHCI_QUIRK_MISSING_CAPS | |
88 | }; | |
89 | ||
22606405 PO |
90 | static const struct sdhci_pci_fixes sdhci_ene_712 = { |
91 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | | |
92 | SDHCI_QUIRK_BROKEN_DMA, | |
93 | }; | |
94 | ||
95 | static const struct sdhci_pci_fixes sdhci_ene_714 = { | |
96 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | | |
97 | SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS | | |
98 | SDHCI_QUIRK_BROKEN_DMA, | |
99 | }; | |
100 | ||
101 | static const struct sdhci_pci_fixes sdhci_cafe = { | |
102 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER | | |
a0874897 | 103 | SDHCI_QUIRK_NO_BUSY_IRQ | |
55fc05b7 | 104 | SDHCI_QUIRK_BROKEN_CARD_DETECTION | |
ee53ab5d | 105 | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, |
22606405 PO |
106 | }; |
107 | ||
43e968ce DB |
108 | static const struct sdhci_pci_fixes sdhci_intel_qrk = { |
109 | .quirks = SDHCI_QUIRK_NO_HISPD_BIT, | |
110 | }; | |
111 | ||
68077b02 ML |
112 | static int mrst_hc_probe_slot(struct sdhci_pci_slot *slot) |
113 | { | |
114 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; | |
115 | return 0; | |
116 | } | |
117 | ||
f9ee3eab AC |
118 | /* |
119 | * ADMA operation is disabled for Moorestown platform due to | |
120 | * hardware bugs. | |
121 | */ | |
35ac6f08 | 122 | static int mrst_hc_probe(struct sdhci_pci_chip *chip) |
f9ee3eab AC |
123 | { |
124 | /* | |
35ac6f08 JP |
125 | * slots number is fixed here for MRST as SDIO3/5 are never used and |
126 | * have hardware bugs. | |
f9ee3eab AC |
127 | */ |
128 | chip->num_slots = 1; | |
129 | return 0; | |
130 | } | |
131 | ||
296e0b03 AS |
132 | static int pch_hc_probe_slot(struct sdhci_pci_slot *slot) |
133 | { | |
134 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; | |
135 | return 0; | |
136 | } | |
137 | ||
162d6f98 | 138 | #ifdef CONFIG_PM |
66fd8ad5 | 139 | |
c5e027a4 | 140 | static irqreturn_t sdhci_pci_sd_cd(int irq, void *dev_id) |
66fd8ad5 AH |
141 | { |
142 | struct sdhci_pci_slot *slot = dev_id; | |
143 | struct sdhci_host *host = slot->host; | |
144 | ||
145 | mmc_detect_change(host->mmc, msecs_to_jiffies(200)); | |
146 | return IRQ_HANDLED; | |
147 | } | |
148 | ||
c5e027a4 | 149 | static void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot) |
66fd8ad5 | 150 | { |
c5e027a4 | 151 | int err, irq, gpio = slot->cd_gpio; |
66fd8ad5 AH |
152 | |
153 | slot->cd_gpio = -EINVAL; | |
154 | slot->cd_irq = -EINVAL; | |
155 | ||
c5e027a4 AH |
156 | if (!gpio_is_valid(gpio)) |
157 | return; | |
158 | ||
66fd8ad5 AH |
159 | err = gpio_request(gpio, "sd_cd"); |
160 | if (err < 0) | |
161 | goto out; | |
162 | ||
163 | err = gpio_direction_input(gpio); | |
164 | if (err < 0) | |
165 | goto out_free; | |
166 | ||
167 | irq = gpio_to_irq(gpio); | |
168 | if (irq < 0) | |
169 | goto out_free; | |
170 | ||
c5e027a4 | 171 | err = request_irq(irq, sdhci_pci_sd_cd, IRQF_TRIGGER_RISING | |
66fd8ad5 AH |
172 | IRQF_TRIGGER_FALLING, "sd_cd", slot); |
173 | if (err) | |
174 | goto out_free; | |
175 | ||
176 | slot->cd_gpio = gpio; | |
177 | slot->cd_irq = irq; | |
66fd8ad5 | 178 | |
c5e027a4 | 179 | return; |
66fd8ad5 AH |
180 | |
181 | out_free: | |
182 | gpio_free(gpio); | |
183 | out: | |
184 | dev_warn(&slot->chip->pdev->dev, "failed to setup card detect wake up\n"); | |
66fd8ad5 AH |
185 | } |
186 | ||
c5e027a4 | 187 | static void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot) |
66fd8ad5 AH |
188 | { |
189 | if (slot->cd_irq >= 0) | |
190 | free_irq(slot->cd_irq, slot); | |
c5e027a4 AH |
191 | if (gpio_is_valid(slot->cd_gpio)) |
192 | gpio_free(slot->cd_gpio); | |
66fd8ad5 AH |
193 | } |
194 | ||
195 | #else | |
196 | ||
c5e027a4 AH |
197 | static inline void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot) |
198 | { | |
199 | } | |
200 | ||
201 | static inline void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot) | |
202 | { | |
203 | } | |
66fd8ad5 AH |
204 | |
205 | #endif | |
206 | ||
0d013bcf AH |
207 | static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot) |
208 | { | |
66fd8ad5 | 209 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE; |
da721cf7 AH |
210 | slot->host->mmc->caps2 |= MMC_CAP2_BOOTPART_NOACC | |
211 | MMC_CAP2_HC_ERASE_SZ; | |
0d013bcf AH |
212 | return 0; |
213 | } | |
214 | ||
93933508 AH |
215 | static int mfd_sdio_probe_slot(struct sdhci_pci_slot *slot) |
216 | { | |
012e4671 | 217 | slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE; |
93933508 AH |
218 | return 0; |
219 | } | |
220 | ||
f9ee3eab AC |
221 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = { |
222 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, | |
68077b02 | 223 | .probe_slot = mrst_hc_probe_slot, |
f9ee3eab AC |
224 | }; |
225 | ||
35ac6f08 | 226 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = { |
f9ee3eab | 227 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, |
35ac6f08 | 228 | .probe = mrst_hc_probe, |
f9ee3eab AC |
229 | }; |
230 | ||
29229052 XS |
231 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = { |
232 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
c43fd774 | 233 | .allow_runtime_pm = true, |
77a0122e | 234 | .own_cd_for_runtime_pm = true, |
29229052 XS |
235 | }; |
236 | ||
0d013bcf AH |
237 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sdio = { |
238 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
f3c55a7b | 239 | .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON, |
c43fd774 | 240 | .allow_runtime_pm = true, |
93933508 | 241 | .probe_slot = mfd_sdio_probe_slot, |
0d013bcf AH |
242 | }; |
243 | ||
244 | static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc = { | |
29229052 | 245 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
c43fd774 | 246 | .allow_runtime_pm = true, |
0d013bcf | 247 | .probe_slot = mfd_emmc_probe_slot, |
29229052 XS |
248 | }; |
249 | ||
296e0b03 AS |
250 | static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = { |
251 | .quirks = SDHCI_QUIRK_BROKEN_ADMA, | |
252 | .probe_slot = pch_hc_probe_slot, | |
253 | }; | |
254 | ||
c9faff6c AH |
255 | static void sdhci_pci_int_hw_reset(struct sdhci_host *host) |
256 | { | |
257 | u8 reg; | |
258 | ||
259 | reg = sdhci_readb(host, SDHCI_POWER_CONTROL); | |
260 | reg |= 0x10; | |
261 | sdhci_writeb(host, reg, SDHCI_POWER_CONTROL); | |
262 | /* For eMMC, minimum is 1us but give it 9us for good measure */ | |
263 | udelay(9); | |
264 | reg &= ~0x10; | |
265 | sdhci_writeb(host, reg, SDHCI_POWER_CONTROL); | |
266 | /* For eMMC, minimum is 200us but give it 300us for good measure */ | |
267 | usleep_range(300, 1000); | |
268 | } | |
269 | ||
e1bfad6d AH |
270 | static int spt_select_drive_strength(struct sdhci_host *host, |
271 | struct mmc_card *card, | |
272 | unsigned int max_dtr, | |
273 | int host_drv, int card_drv, int *drv_type) | |
274 | { | |
275 | int drive_strength; | |
276 | ||
277 | if (sdhci_pci_spt_drive_strength > 0) | |
278 | drive_strength = sdhci_pci_spt_drive_strength & 0xf; | |
279 | else | |
280 | drive_strength = 1; /* 33-ohm */ | |
281 | ||
282 | if ((mmc_driver_type_mask(drive_strength) & card_drv) == 0) | |
283 | drive_strength = 0; /* Default 50-ohm */ | |
284 | ||
285 | return drive_strength; | |
286 | } | |
287 | ||
288 | /* Try to read the drive strength from the card */ | |
289 | static void spt_read_drive_strength(struct sdhci_host *host) | |
290 | { | |
291 | u32 val, i, t; | |
292 | u16 m; | |
293 | ||
294 | if (sdhci_pci_spt_drive_strength) | |
295 | return; | |
296 | ||
297 | sdhci_pci_spt_drive_strength = -1; | |
298 | ||
299 | m = sdhci_readw(host, SDHCI_HOST_CONTROL2) & 0x7; | |
300 | if (m != 3 && m != 5) | |
301 | return; | |
302 | val = sdhci_readl(host, SDHCI_PRESENT_STATE); | |
303 | if (val & 0x3) | |
304 | return; | |
305 | sdhci_writel(host, 0x007f0023, SDHCI_INT_ENABLE); | |
306 | sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); | |
307 | sdhci_writew(host, 0x10, SDHCI_TRANSFER_MODE); | |
308 | sdhci_writeb(host, 0xe, SDHCI_TIMEOUT_CONTROL); | |
309 | sdhci_writew(host, 512, SDHCI_BLOCK_SIZE); | |
310 | sdhci_writew(host, 1, SDHCI_BLOCK_COUNT); | |
311 | sdhci_writel(host, 0, SDHCI_ARGUMENT); | |
312 | sdhci_writew(host, 0x83b, SDHCI_COMMAND); | |
313 | for (i = 0; i < 1000; i++) { | |
314 | val = sdhci_readl(host, SDHCI_INT_STATUS); | |
315 | if (val & 0xffff8000) | |
316 | return; | |
317 | if (val & 0x20) | |
318 | break; | |
319 | udelay(1); | |
320 | } | |
321 | val = sdhci_readl(host, SDHCI_PRESENT_STATE); | |
322 | if (!(val & 0x800)) | |
323 | return; | |
324 | for (i = 0; i < 47; i++) | |
325 | val = sdhci_readl(host, SDHCI_BUFFER); | |
326 | t = val & 0xf00; | |
327 | if (t != 0x200 && t != 0x300) | |
328 | return; | |
329 | ||
330 | sdhci_pci_spt_drive_strength = 0x10 | ((val >> 12) & 0xf); | |
331 | } | |
332 | ||
728ef3d1 AH |
333 | static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) |
334 | { | |
c9faff6c | 335 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | |
6aab23a8 AH |
336 | MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR | |
337 | MMC_CAP_BUS_WIDTH_TEST | | |
338 | MMC_CAP_WAIT_WHILE_BUSY; | |
728ef3d1 | 339 | slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; |
c9faff6c | 340 | slot->hw_reset = sdhci_pci_int_hw_reset; |
a06586b6 AH |
341 | if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BSW_EMMC) |
342 | slot->host->timeout_clk = 1000; /* 1000 kHz i.e. 1 MHz */ | |
e1bfad6d AH |
343 | if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_SPT_EMMC) { |
344 | spt_read_drive_strength(slot->host); | |
345 | slot->select_drive_strength = spt_select_drive_strength; | |
346 | } | |
728ef3d1 AH |
347 | return 0; |
348 | } | |
349 | ||
350 | static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) | |
351 | { | |
6aab23a8 AH |
352 | slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE | |
353 | MMC_CAP_BUS_WIDTH_TEST | | |
354 | MMC_CAP_WAIT_WHILE_BUSY; | |
728ef3d1 AH |
355 | return 0; |
356 | } | |
357 | ||
ff59c520 AH |
358 | static int byt_sd_probe_slot(struct sdhci_pci_slot *slot) |
359 | { | |
6aab23a8 AH |
360 | slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST | |
361 | MMC_CAP_WAIT_WHILE_BUSY; | |
ff59c520 AH |
362 | slot->cd_con_id = NULL; |
363 | slot->cd_idx = 0; | |
364 | slot->cd_override_level = true; | |
365 | return 0; | |
366 | } | |
367 | ||
728ef3d1 AH |
368 | static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = { |
369 | .allow_runtime_pm = true, | |
370 | .probe_slot = byt_emmc_probe_slot, | |
db6e8cdf | 371 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
e58e4a0d | 372 | .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | |
b69587e2 | 373 | SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400 | |
e58e4a0d | 374 | SDHCI_QUIRK2_STOP_WITH_TC, |
728ef3d1 AH |
375 | }; |
376 | ||
377 | static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = { | |
db6e8cdf | 378 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
b7574bad GY |
379 | .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON | |
380 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN, | |
728ef3d1 AH |
381 | .allow_runtime_pm = true, |
382 | .probe_slot = byt_sdio_probe_slot, | |
383 | }; | |
384 | ||
385 | static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { | |
db6e8cdf | 386 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
b7574bad | 387 | .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON | |
e58e4a0d AH |
388 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN | |
389 | SDHCI_QUIRK2_STOP_WITH_TC, | |
7396e318 | 390 | .allow_runtime_pm = true, |
77a0122e | 391 | .own_cd_for_runtime_pm = true, |
ff59c520 | 392 | .probe_slot = byt_sd_probe_slot, |
728ef3d1 AH |
393 | }; |
394 | ||
8776a165 DC |
395 | /* Define Host controllers for Intel Merrifield platform */ |
396 | #define INTEL_MRFL_EMMC_0 0 | |
397 | #define INTEL_MRFL_EMMC_1 1 | |
398 | ||
399 | static int intel_mrfl_mmc_probe_slot(struct sdhci_pci_slot *slot) | |
400 | { | |
401 | if ((PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_0) && | |
402 | (PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_1)) | |
403 | /* SD support is not ready yet */ | |
404 | return -ENODEV; | |
405 | ||
406 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | | |
407 | MMC_CAP_1_8V_DDR; | |
408 | ||
409 | return 0; | |
410 | } | |
411 | ||
412 | static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = { | |
413 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
b7574bad GY |
414 | .quirks2 = SDHCI_QUIRK2_BROKEN_HS200 | |
415 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN, | |
f1b55a55 | 416 | .allow_runtime_pm = true, |
8776a165 DC |
417 | .probe_slot = intel_mrfl_mmc_probe_slot, |
418 | }; | |
419 | ||
26daa1ed JL |
420 | /* O2Micro extra registers */ |
421 | #define O2_SD_LOCK_WP 0xD3 | |
422 | #define O2_SD_MULTI_VCC3V 0xEE | |
423 | #define O2_SD_CLKREQ 0xEC | |
424 | #define O2_SD_CAPS 0xE0 | |
425 | #define O2_SD_ADMA1 0xE2 | |
426 | #define O2_SD_ADMA2 0xE7 | |
427 | #define O2_SD_INF_MOD 0xF1 | |
428 | ||
45211e21 PO |
429 | static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) |
430 | { | |
431 | u8 scratch; | |
432 | int ret; | |
433 | ||
434 | ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch); | |
435 | if (ret) | |
436 | return ret; | |
437 | ||
438 | /* | |
439 | * Turn PMOS on [bit 0], set over current detection to 2.4 V | |
440 | * [bit 1:2] and enable over current debouncing [bit 6]. | |
441 | */ | |
442 | if (on) | |
443 | scratch |= 0x47; | |
444 | else | |
445 | scratch &= ~0x47; | |
446 | ||
447 | ret = pci_write_config_byte(chip->pdev, 0xAE, scratch); | |
448 | if (ret) | |
449 | return ret; | |
450 | ||
451 | return 0; | |
452 | } | |
453 | ||
454 | static int jmicron_probe(struct sdhci_pci_chip *chip) | |
455 | { | |
456 | int ret; | |
8f230f45 | 457 | u16 mmcdev = 0; |
45211e21 | 458 | |
93fc48c7 PO |
459 | if (chip->pdev->revision == 0) { |
460 | chip->quirks |= SDHCI_QUIRK_32BIT_DMA_ADDR | | |
461 | SDHCI_QUIRK_32BIT_DMA_SIZE | | |
2134a922 | 462 | SDHCI_QUIRK_32BIT_ADMA_SIZE | |
4a3cba32 | 463 | SDHCI_QUIRK_RESET_AFTER_REQUEST | |
86a6a874 | 464 | SDHCI_QUIRK_BROKEN_SMALL_PIO; |
93fc48c7 PO |
465 | } |
466 | ||
4489428a PO |
467 | /* |
468 | * JMicron chips can have two interfaces to the same hardware | |
469 | * in order to work around limitations in Microsoft's driver. | |
470 | * We need to make sure we only bind to one of them. | |
471 | * | |
472 | * This code assumes two things: | |
473 | * | |
474 | * 1. The PCI code adds subfunctions in order. | |
475 | * | |
476 | * 2. The MMC interface has a lower subfunction number | |
477 | * than the SD interface. | |
478 | */ | |
8f230f45 TI |
479 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_SD) |
480 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB38X_MMC; | |
481 | else if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD) | |
482 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB388_ESD; | |
483 | ||
484 | if (mmcdev) { | |
4489428a PO |
485 | struct pci_dev *sd_dev; |
486 | ||
487 | sd_dev = NULL; | |
488 | while ((sd_dev = pci_get_device(PCI_VENDOR_ID_JMICRON, | |
8f230f45 | 489 | mmcdev, sd_dev)) != NULL) { |
4489428a PO |
490 | if ((PCI_SLOT(chip->pdev->devfn) == |
491 | PCI_SLOT(sd_dev->devfn)) && | |
492 | (chip->pdev->bus == sd_dev->bus)) | |
493 | break; | |
494 | } | |
495 | ||
496 | if (sd_dev) { | |
497 | pci_dev_put(sd_dev); | |
498 | dev_info(&chip->pdev->dev, "Refusing to bind to " | |
499 | "secondary interface.\n"); | |
500 | return -ENODEV; | |
501 | } | |
502 | } | |
503 | ||
45211e21 PO |
504 | /* |
505 | * JMicron chips need a bit of a nudge to enable the power | |
506 | * output pins. | |
507 | */ | |
508 | ret = jmicron_pmos(chip, 1); | |
509 | if (ret) { | |
510 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); | |
511 | return ret; | |
512 | } | |
513 | ||
82b0e23a TI |
514 | /* quirk for unsable RO-detection on JM388 chips */ |
515 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD || | |
516 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
517 | chip->quirks |= SDHCI_QUIRK_UNSTABLE_RO_DETECT; | |
518 | ||
45211e21 PO |
519 | return 0; |
520 | } | |
521 | ||
4489428a PO |
522 | static void jmicron_enable_mmc(struct sdhci_host *host, int on) |
523 | { | |
524 | u8 scratch; | |
525 | ||
526 | scratch = readb(host->ioaddr + 0xC0); | |
527 | ||
528 | if (on) | |
529 | scratch |= 0x01; | |
530 | else | |
531 | scratch &= ~0x01; | |
532 | ||
533 | writeb(scratch, host->ioaddr + 0xC0); | |
534 | } | |
535 | ||
536 | static int jmicron_probe_slot(struct sdhci_pci_slot *slot) | |
537 | { | |
2134a922 PO |
538 | if (slot->chip->pdev->revision == 0) { |
539 | u16 version; | |
540 | ||
541 | version = readl(slot->host->ioaddr + SDHCI_HOST_VERSION); | |
542 | version = (version & SDHCI_VENDOR_VER_MASK) >> | |
543 | SDHCI_VENDOR_VER_SHIFT; | |
544 | ||
545 | /* | |
546 | * Older versions of the chip have lots of nasty glitches | |
547 | * in the ADMA engine. It's best just to avoid it | |
548 | * completely. | |
549 | */ | |
550 | if (version < 0xAC) | |
551 | slot->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; | |
552 | } | |
553 | ||
8f230f45 TI |
554 | /* JM388 MMC doesn't support 1.8V while SD supports it */ |
555 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
556 | slot->host->ocr_avail_sd = MMC_VDD_32_33 | MMC_VDD_33_34 | | |
557 | MMC_VDD_29_30 | MMC_VDD_30_31 | | |
558 | MMC_VDD_165_195; /* allow 1.8V */ | |
559 | slot->host->ocr_avail_mmc = MMC_VDD_32_33 | MMC_VDD_33_34 | | |
560 | MMC_VDD_29_30 | MMC_VDD_30_31; /* no 1.8V for MMC */ | |
561 | } | |
562 | ||
4489428a PO |
563 | /* |
564 | * The secondary interface requires a bit set to get the | |
565 | * interrupts. | |
566 | */ | |
8f230f45 TI |
567 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
568 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
4489428a PO |
569 | jmicron_enable_mmc(slot->host, 1); |
570 | ||
d75c1084 TI |
571 | slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST; |
572 | ||
4489428a PO |
573 | return 0; |
574 | } | |
575 | ||
1e72859e | 576 | static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead) |
4489428a | 577 | { |
1e72859e PO |
578 | if (dead) |
579 | return; | |
580 | ||
8f230f45 TI |
581 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
582 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) | |
4489428a PO |
583 | jmicron_enable_mmc(slot->host, 0); |
584 | } | |
585 | ||
29495aa0 | 586 | static int jmicron_suspend(struct sdhci_pci_chip *chip) |
4489428a PO |
587 | { |
588 | int i; | |
589 | ||
8f230f45 TI |
590 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
591 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
b177bc91 | 592 | for (i = 0; i < chip->num_slots; i++) |
4489428a PO |
593 | jmicron_enable_mmc(chip->slots[i]->host, 0); |
594 | } | |
595 | ||
596 | return 0; | |
597 | } | |
598 | ||
45211e21 PO |
599 | static int jmicron_resume(struct sdhci_pci_chip *chip) |
600 | { | |
4489428a PO |
601 | int ret, i; |
602 | ||
8f230f45 TI |
603 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
604 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { | |
b177bc91 | 605 | for (i = 0; i < chip->num_slots; i++) |
4489428a PO |
606 | jmicron_enable_mmc(chip->slots[i]->host, 1); |
607 | } | |
45211e21 PO |
608 | |
609 | ret = jmicron_pmos(chip, 1); | |
610 | if (ret) { | |
611 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); | |
612 | return ret; | |
613 | } | |
614 | ||
615 | return 0; | |
616 | } | |
617 | ||
26daa1ed | 618 | static const struct sdhci_pci_fixes sdhci_o2 = { |
01acf691 AL |
619 | .probe = sdhci_pci_o2_probe, |
620 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, | |
621 | .probe_slot = sdhci_pci_o2_probe_slot, | |
622 | .resume = sdhci_pci_o2_resume, | |
26daa1ed JL |
623 | }; |
624 | ||
22606405 | 625 | static const struct sdhci_pci_fixes sdhci_jmicron = { |
45211e21 PO |
626 | .probe = jmicron_probe, |
627 | ||
4489428a PO |
628 | .probe_slot = jmicron_probe_slot, |
629 | .remove_slot = jmicron_remove_slot, | |
630 | ||
631 | .suspend = jmicron_suspend, | |
45211e21 | 632 | .resume = jmicron_resume, |
22606405 PO |
633 | }; |
634 | ||
a7a6186c NP |
635 | /* SysKonnect CardBus2SDIO extra registers */ |
636 | #define SYSKT_CTRL 0x200 | |
637 | #define SYSKT_RDFIFO_STAT 0x204 | |
638 | #define SYSKT_WRFIFO_STAT 0x208 | |
639 | #define SYSKT_POWER_DATA 0x20c | |
640 | #define SYSKT_POWER_330 0xef | |
641 | #define SYSKT_POWER_300 0xf8 | |
642 | #define SYSKT_POWER_184 0xcc | |
643 | #define SYSKT_POWER_CMD 0x20d | |
644 | #define SYSKT_POWER_START (1 << 7) | |
645 | #define SYSKT_POWER_STATUS 0x20e | |
646 | #define SYSKT_POWER_STATUS_OK (1 << 0) | |
647 | #define SYSKT_BOARD_REV 0x210 | |
648 | #define SYSKT_CHIP_REV 0x211 | |
649 | #define SYSKT_CONF_DATA 0x212 | |
650 | #define SYSKT_CONF_DATA_1V8 (1 << 2) | |
651 | #define SYSKT_CONF_DATA_2V5 (1 << 1) | |
652 | #define SYSKT_CONF_DATA_3V3 (1 << 0) | |
653 | ||
654 | static int syskt_probe(struct sdhci_pci_chip *chip) | |
655 | { | |
656 | if ((chip->pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { | |
657 | chip->pdev->class &= ~0x0000FF; | |
658 | chip->pdev->class |= PCI_SDHCI_IFDMA; | |
659 | } | |
660 | return 0; | |
661 | } | |
662 | ||
663 | static int syskt_probe_slot(struct sdhci_pci_slot *slot) | |
664 | { | |
665 | int tm, ps; | |
666 | ||
667 | u8 board_rev = readb(slot->host->ioaddr + SYSKT_BOARD_REV); | |
668 | u8 chip_rev = readb(slot->host->ioaddr + SYSKT_CHIP_REV); | |
669 | dev_info(&slot->chip->pdev->dev, "SysKonnect CardBus2SDIO, " | |
670 | "board rev %d.%d, chip rev %d.%d\n", | |
671 | board_rev >> 4, board_rev & 0xf, | |
672 | chip_rev >> 4, chip_rev & 0xf); | |
673 | if (chip_rev >= 0x20) | |
674 | slot->host->quirks |= SDHCI_QUIRK_FORCE_DMA; | |
675 | ||
676 | writeb(SYSKT_POWER_330, slot->host->ioaddr + SYSKT_POWER_DATA); | |
677 | writeb(SYSKT_POWER_START, slot->host->ioaddr + SYSKT_POWER_CMD); | |
678 | udelay(50); | |
679 | tm = 10; /* Wait max 1 ms */ | |
680 | do { | |
681 | ps = readw(slot->host->ioaddr + SYSKT_POWER_STATUS); | |
682 | if (ps & SYSKT_POWER_STATUS_OK) | |
683 | break; | |
684 | udelay(100); | |
685 | } while (--tm); | |
686 | if (!tm) { | |
687 | dev_err(&slot->chip->pdev->dev, | |
688 | "power regulator never stabilized"); | |
689 | writeb(0, slot->host->ioaddr + SYSKT_POWER_CMD); | |
690 | return -ENODEV; | |
691 | } | |
692 | ||
693 | return 0; | |
694 | } | |
695 | ||
696 | static const struct sdhci_pci_fixes sdhci_syskt = { | |
697 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER, | |
698 | .probe = syskt_probe, | |
699 | .probe_slot = syskt_probe_slot, | |
700 | }; | |
701 | ||
557b0697 HW |
702 | static int via_probe(struct sdhci_pci_chip *chip) |
703 | { | |
704 | if (chip->pdev->revision == 0x10) | |
705 | chip->quirks |= SDHCI_QUIRK_DELAY_AFTER_POWER; | |
706 | ||
707 | return 0; | |
708 | } | |
709 | ||
710 | static const struct sdhci_pci_fixes sdhci_via = { | |
711 | .probe = via_probe, | |
712 | }; | |
713 | ||
9107ebbf MC |
714 | static int rtsx_probe_slot(struct sdhci_pci_slot *slot) |
715 | { | |
716 | slot->host->mmc->caps2 |= MMC_CAP2_HS200; | |
717 | return 0; | |
718 | } | |
719 | ||
720 | static const struct sdhci_pci_fixes sdhci_rtsx = { | |
721 | .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | | |
e30b978f | 722 | SDHCI_QUIRK2_BROKEN_64_BIT_DMA | |
9107ebbf MC |
723 | SDHCI_QUIRK2_BROKEN_DDR50, |
724 | .probe_slot = rtsx_probe_slot, | |
725 | }; | |
726 | ||
b5e97d6e VW |
727 | /*AMD chipset generation*/ |
728 | enum amd_chipset_gen { | |
729 | AMD_CHIPSET_BEFORE_ML, | |
730 | AMD_CHIPSET_CZ, | |
731 | AMD_CHIPSET_NL, | |
732 | AMD_CHIPSET_UNKNOWN, | |
733 | }; | |
734 | ||
d44f88da VW |
735 | static int amd_probe(struct sdhci_pci_chip *chip) |
736 | { | |
737 | struct pci_dev *smbus_dev; | |
b5e97d6e | 738 | enum amd_chipset_gen gen; |
d44f88da VW |
739 | |
740 | smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, | |
741 | PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL); | |
b5e97d6e VW |
742 | if (smbus_dev) { |
743 | gen = AMD_CHIPSET_BEFORE_ML; | |
744 | } else { | |
745 | smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, | |
746 | PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, NULL); | |
747 | if (smbus_dev) { | |
748 | if (smbus_dev->revision < 0x51) | |
749 | gen = AMD_CHIPSET_CZ; | |
750 | else | |
751 | gen = AMD_CHIPSET_NL; | |
752 | } else { | |
753 | gen = AMD_CHIPSET_UNKNOWN; | |
754 | } | |
755 | } | |
d44f88da | 756 | |
b5e97d6e | 757 | if ((gen == AMD_CHIPSET_BEFORE_ML) || (gen == AMD_CHIPSET_CZ)) { |
d44f88da | 758 | chip->quirks2 |= SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD; |
e765bfa2 VW |
759 | chip->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200; |
760 | } | |
d44f88da VW |
761 | |
762 | return 0; | |
763 | } | |
764 | ||
765 | static const struct sdhci_pci_fixes sdhci_amd = { | |
766 | .probe = amd_probe, | |
767 | }; | |
768 | ||
9647f84d | 769 | static const struct pci_device_id pci_ids[] = { |
b8c86fc5 PO |
770 | { |
771 | .vendor = PCI_VENDOR_ID_RICOH, | |
772 | .device = PCI_DEVICE_ID_RICOH_R5C822, | |
22606405 | 773 | .subvendor = PCI_ANY_ID, |
b8c86fc5 | 774 | .subdevice = PCI_ANY_ID, |
22606405 | 775 | .driver_data = (kernel_ulong_t)&sdhci_ricoh, |
b8c86fc5 PO |
776 | }, |
777 | ||
ccc92c23 ML |
778 | { |
779 | .vendor = PCI_VENDOR_ID_RICOH, | |
780 | .device = 0x843, | |
781 | .subvendor = PCI_ANY_ID, | |
782 | .subdevice = PCI_ANY_ID, | |
783 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
784 | }, | |
785 | ||
568133eb PC |
786 | { |
787 | .vendor = PCI_VENDOR_ID_RICOH, | |
788 | .device = 0xe822, | |
789 | .subvendor = PCI_ANY_ID, | |
790 | .subdevice = PCI_ANY_ID, | |
791 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
792 | }, | |
793 | ||
5fd11c07 MI |
794 | { |
795 | .vendor = PCI_VENDOR_ID_RICOH, | |
796 | .device = 0xe823, | |
797 | .subvendor = PCI_ANY_ID, | |
798 | .subdevice = PCI_ANY_ID, | |
799 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, | |
800 | }, | |
801 | ||
b8c86fc5 PO |
802 | { |
803 | .vendor = PCI_VENDOR_ID_ENE, | |
804 | .device = PCI_DEVICE_ID_ENE_CB712_SD, | |
805 | .subvendor = PCI_ANY_ID, | |
806 | .subdevice = PCI_ANY_ID, | |
22606405 | 807 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
b8c86fc5 PO |
808 | }, |
809 | ||
810 | { | |
811 | .vendor = PCI_VENDOR_ID_ENE, | |
812 | .device = PCI_DEVICE_ID_ENE_CB712_SD_2, | |
813 | .subvendor = PCI_ANY_ID, | |
814 | .subdevice = PCI_ANY_ID, | |
22606405 | 815 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
b8c86fc5 PO |
816 | }, |
817 | ||
818 | { | |
819 | .vendor = PCI_VENDOR_ID_ENE, | |
820 | .device = PCI_DEVICE_ID_ENE_CB714_SD, | |
821 | .subvendor = PCI_ANY_ID, | |
822 | .subdevice = PCI_ANY_ID, | |
22606405 | 823 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
b8c86fc5 PO |
824 | }, |
825 | ||
826 | { | |
827 | .vendor = PCI_VENDOR_ID_ENE, | |
828 | .device = PCI_DEVICE_ID_ENE_CB714_SD_2, | |
829 | .subvendor = PCI_ANY_ID, | |
830 | .subdevice = PCI_ANY_ID, | |
22606405 | 831 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
b8c86fc5 PO |
832 | }, |
833 | ||
834 | { | |
835 | .vendor = PCI_VENDOR_ID_MARVELL, | |
8c5eb880 | 836 | .device = PCI_DEVICE_ID_MARVELL_88ALP01_SD, |
b8c86fc5 PO |
837 | .subvendor = PCI_ANY_ID, |
838 | .subdevice = PCI_ANY_ID, | |
22606405 | 839 | .driver_data = (kernel_ulong_t)&sdhci_cafe, |
b8c86fc5 PO |
840 | }, |
841 | ||
842 | { | |
843 | .vendor = PCI_VENDOR_ID_JMICRON, | |
844 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_SD, | |
845 | .subvendor = PCI_ANY_ID, | |
846 | .subdevice = PCI_ANY_ID, | |
22606405 | 847 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
b8c86fc5 PO |
848 | }, |
849 | ||
4489428a PO |
850 | { |
851 | .vendor = PCI_VENDOR_ID_JMICRON, | |
852 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_MMC, | |
853 | .subvendor = PCI_ANY_ID, | |
854 | .subdevice = PCI_ANY_ID, | |
855 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
8f230f45 TI |
856 | }, |
857 | ||
858 | { | |
859 | .vendor = PCI_VENDOR_ID_JMICRON, | |
860 | .device = PCI_DEVICE_ID_JMICRON_JMB388_SD, | |
861 | .subvendor = PCI_ANY_ID, | |
862 | .subdevice = PCI_ANY_ID, | |
863 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
864 | }, | |
865 | ||
866 | { | |
867 | .vendor = PCI_VENDOR_ID_JMICRON, | |
868 | .device = PCI_DEVICE_ID_JMICRON_JMB388_ESD, | |
869 | .subvendor = PCI_ANY_ID, | |
870 | .subdevice = PCI_ANY_ID, | |
871 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, | |
4489428a PO |
872 | }, |
873 | ||
a7a6186c NP |
874 | { |
875 | .vendor = PCI_VENDOR_ID_SYSKONNECT, | |
876 | .device = 0x8000, | |
877 | .subvendor = PCI_ANY_ID, | |
878 | .subdevice = PCI_ANY_ID, | |
879 | .driver_data = (kernel_ulong_t)&sdhci_syskt, | |
880 | }, | |
881 | ||
557b0697 HW |
882 | { |
883 | .vendor = PCI_VENDOR_ID_VIA, | |
884 | .device = 0x95d0, | |
885 | .subvendor = PCI_ANY_ID, | |
886 | .subdevice = PCI_ANY_ID, | |
887 | .driver_data = (kernel_ulong_t)&sdhci_via, | |
9107ebbf MC |
888 | }, |
889 | ||
890 | { | |
891 | .vendor = PCI_VENDOR_ID_REALTEK, | |
892 | .device = 0x5250, | |
893 | .subvendor = PCI_ANY_ID, | |
894 | .subdevice = PCI_ANY_ID, | |
895 | .driver_data = (kernel_ulong_t)&sdhci_rtsx, | |
557b0697 HW |
896 | }, |
897 | ||
43e968ce DB |
898 | { |
899 | .vendor = PCI_VENDOR_ID_INTEL, | |
900 | .device = PCI_DEVICE_ID_INTEL_QRK_SD, | |
901 | .subvendor = PCI_ANY_ID, | |
902 | .subdevice = PCI_ANY_ID, | |
903 | .driver_data = (kernel_ulong_t)&sdhci_intel_qrk, | |
904 | }, | |
905 | ||
29229052 XS |
906 | { |
907 | .vendor = PCI_VENDOR_ID_INTEL, | |
f9ee3eab AC |
908 | .device = PCI_DEVICE_ID_INTEL_MRST_SD0, |
909 | .subvendor = PCI_ANY_ID, | |
910 | .subdevice = PCI_ANY_ID, | |
911 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc0, | |
912 | }, | |
913 | ||
914 | { | |
915 | .vendor = PCI_VENDOR_ID_INTEL, | |
916 | .device = PCI_DEVICE_ID_INTEL_MRST_SD1, | |
917 | .subvendor = PCI_ANY_ID, | |
918 | .subdevice = PCI_ANY_ID, | |
35ac6f08 JP |
919 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, |
920 | }, | |
921 | ||
922 | { | |
923 | .vendor = PCI_VENDOR_ID_INTEL, | |
924 | .device = PCI_DEVICE_ID_INTEL_MRST_SD2, | |
925 | .subvendor = PCI_ANY_ID, | |
926 | .subdevice = PCI_ANY_ID, | |
927 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, | |
f9ee3eab AC |
928 | }, |
929 | ||
930 | { | |
931 | .vendor = PCI_VENDOR_ID_INTEL, | |
29229052 XS |
932 | .device = PCI_DEVICE_ID_INTEL_MFD_SD, |
933 | .subvendor = PCI_ANY_ID, | |
934 | .subdevice = PCI_ANY_ID, | |
935 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, | |
936 | }, | |
937 | ||
938 | { | |
939 | .vendor = PCI_VENDOR_ID_INTEL, | |
940 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO1, | |
941 | .subvendor = PCI_ANY_ID, | |
942 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 943 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
29229052 XS |
944 | }, |
945 | ||
946 | { | |
947 | .vendor = PCI_VENDOR_ID_INTEL, | |
948 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO2, | |
949 | .subvendor = PCI_ANY_ID, | |
950 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 951 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
29229052 XS |
952 | }, |
953 | ||
954 | { | |
955 | .vendor = PCI_VENDOR_ID_INTEL, | |
956 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC0, | |
957 | .subvendor = PCI_ANY_ID, | |
958 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 959 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
29229052 XS |
960 | }, |
961 | ||
962 | { | |
963 | .vendor = PCI_VENDOR_ID_INTEL, | |
964 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC1, | |
965 | .subvendor = PCI_ANY_ID, | |
966 | .subdevice = PCI_ANY_ID, | |
0d013bcf | 967 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
29229052 XS |
968 | }, |
969 | ||
296e0b03 AS |
970 | { |
971 | .vendor = PCI_VENDOR_ID_INTEL, | |
972 | .device = PCI_DEVICE_ID_INTEL_PCH_SDIO0, | |
973 | .subvendor = PCI_ANY_ID, | |
974 | .subdevice = PCI_ANY_ID, | |
975 | .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, | |
976 | }, | |
977 | ||
978 | { | |
979 | .vendor = PCI_VENDOR_ID_INTEL, | |
980 | .device = PCI_DEVICE_ID_INTEL_PCH_SDIO1, | |
981 | .subvendor = PCI_ANY_ID, | |
982 | .subdevice = PCI_ANY_ID, | |
983 | .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, | |
984 | }, | |
985 | ||
728ef3d1 AH |
986 | { |
987 | .vendor = PCI_VENDOR_ID_INTEL, | |
988 | .device = PCI_DEVICE_ID_INTEL_BYT_EMMC, | |
989 | .subvendor = PCI_ANY_ID, | |
990 | .subdevice = PCI_ANY_ID, | |
991 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
992 | }, | |
993 | ||
994 | { | |
995 | .vendor = PCI_VENDOR_ID_INTEL, | |
996 | .device = PCI_DEVICE_ID_INTEL_BYT_SDIO, | |
997 | .subvendor = PCI_ANY_ID, | |
998 | .subdevice = PCI_ANY_ID, | |
999 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, | |
1000 | }, | |
1001 | ||
1002 | { | |
1003 | .vendor = PCI_VENDOR_ID_INTEL, | |
1004 | .device = PCI_DEVICE_ID_INTEL_BYT_SD, | |
1005 | .subvendor = PCI_ANY_ID, | |
1006 | .subdevice = PCI_ANY_ID, | |
1007 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, | |
1008 | }, | |
1009 | ||
30d025c0 AH |
1010 | { |
1011 | .vendor = PCI_VENDOR_ID_INTEL, | |
1012 | .device = PCI_DEVICE_ID_INTEL_BYT_EMMC2, | |
1013 | .subvendor = PCI_ANY_ID, | |
1014 | .subdevice = PCI_ANY_ID, | |
1015 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
1016 | }, | |
1017 | ||
066173b6 AC |
1018 | { |
1019 | .vendor = PCI_VENDOR_ID_INTEL, | |
1020 | .device = PCI_DEVICE_ID_INTEL_BSW_EMMC, | |
1021 | .subvendor = PCI_ANY_ID, | |
1022 | .subdevice = PCI_ANY_ID, | |
1023 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
1024 | }, | |
1025 | ||
1026 | { | |
1027 | .vendor = PCI_VENDOR_ID_INTEL, | |
1028 | .device = PCI_DEVICE_ID_INTEL_BSW_SDIO, | |
1029 | .subvendor = PCI_ANY_ID, | |
1030 | .subdevice = PCI_ANY_ID, | |
1031 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, | |
1032 | }, | |
1033 | ||
1034 | { | |
1035 | .vendor = PCI_VENDOR_ID_INTEL, | |
1036 | .device = PCI_DEVICE_ID_INTEL_BSW_SD, | |
1037 | .subvendor = PCI_ANY_ID, | |
1038 | .subdevice = PCI_ANY_ID, | |
1039 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, | |
1040 | }, | |
d052068a EE |
1041 | |
1042 | { | |
1043 | .vendor = PCI_VENDOR_ID_INTEL, | |
1044 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO0, | |
1045 | .subvendor = PCI_ANY_ID, | |
1046 | .subdevice = PCI_ANY_ID, | |
1047 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, | |
1048 | }, | |
1049 | ||
1050 | { | |
1051 | .vendor = PCI_VENDOR_ID_INTEL, | |
1052 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO1, | |
1053 | .subvendor = PCI_ANY_ID, | |
1054 | .subdevice = PCI_ANY_ID, | |
1055 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, | |
1056 | }, | |
1057 | ||
1058 | { | |
1059 | .vendor = PCI_VENDOR_ID_INTEL, | |
1060 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO2, | |
1061 | .subvendor = PCI_ANY_ID, | |
1062 | .subdevice = PCI_ANY_ID, | |
1063 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, | |
1064 | }, | |
1065 | ||
1066 | { | |
1067 | .vendor = PCI_VENDOR_ID_INTEL, | |
1068 | .device = PCI_DEVICE_ID_INTEL_CLV_EMMC0, | |
1069 | .subvendor = PCI_ANY_ID, | |
1070 | .subdevice = PCI_ANY_ID, | |
1071 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, | |
1072 | }, | |
1073 | ||
1074 | { | |
1075 | .vendor = PCI_VENDOR_ID_INTEL, | |
1076 | .device = PCI_DEVICE_ID_INTEL_CLV_EMMC1, | |
1077 | .subvendor = PCI_ANY_ID, | |
1078 | .subdevice = PCI_ANY_ID, | |
1079 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, | |
1080 | }, | |
1081 | ||
8776a165 DC |
1082 | { |
1083 | .vendor = PCI_VENDOR_ID_INTEL, | |
1084 | .device = PCI_DEVICE_ID_INTEL_MRFL_MMC, | |
1085 | .subvendor = PCI_ANY_ID, | |
1086 | .subdevice = PCI_ANY_ID, | |
1087 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrfl_mmc, | |
1088 | }, | |
1f7f2652 AH |
1089 | |
1090 | { | |
1091 | .vendor = PCI_VENDOR_ID_INTEL, | |
1092 | .device = PCI_DEVICE_ID_INTEL_SPT_EMMC, | |
1093 | .subvendor = PCI_ANY_ID, | |
1094 | .subdevice = PCI_ANY_ID, | |
1095 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, | |
1096 | }, | |
1097 | ||
1098 | { | |
1099 | .vendor = PCI_VENDOR_ID_INTEL, | |
1100 | .device = PCI_DEVICE_ID_INTEL_SPT_SDIO, | |
1101 | .subvendor = PCI_ANY_ID, | |
1102 | .subdevice = PCI_ANY_ID, | |
1103 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, | |
1104 | }, | |
1105 | ||
1106 | { | |
1107 | .vendor = PCI_VENDOR_ID_INTEL, | |
1108 | .device = PCI_DEVICE_ID_INTEL_SPT_SD, | |
1109 | .subvendor = PCI_ANY_ID, | |
1110 | .subdevice = PCI_ANY_ID, | |
1111 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, | |
1112 | }, | |
1113 | ||
26daa1ed JL |
1114 | { |
1115 | .vendor = PCI_VENDOR_ID_O2, | |
1116 | .device = PCI_DEVICE_ID_O2_8120, | |
1117 | .subvendor = PCI_ANY_ID, | |
1118 | .subdevice = PCI_ANY_ID, | |
1119 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1120 | }, | |
1121 | ||
1122 | { | |
1123 | .vendor = PCI_VENDOR_ID_O2, | |
1124 | .device = PCI_DEVICE_ID_O2_8220, | |
1125 | .subvendor = PCI_ANY_ID, | |
1126 | .subdevice = PCI_ANY_ID, | |
1127 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1128 | }, | |
1129 | ||
1130 | { | |
1131 | .vendor = PCI_VENDOR_ID_O2, | |
1132 | .device = PCI_DEVICE_ID_O2_8221, | |
1133 | .subvendor = PCI_ANY_ID, | |
1134 | .subdevice = PCI_ANY_ID, | |
1135 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1136 | }, | |
1137 | ||
1138 | { | |
1139 | .vendor = PCI_VENDOR_ID_O2, | |
1140 | .device = PCI_DEVICE_ID_O2_8320, | |
1141 | .subvendor = PCI_ANY_ID, | |
1142 | .subdevice = PCI_ANY_ID, | |
1143 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1144 | }, | |
1145 | ||
1146 | { | |
1147 | .vendor = PCI_VENDOR_ID_O2, | |
1148 | .device = PCI_DEVICE_ID_O2_8321, | |
1149 | .subvendor = PCI_ANY_ID, | |
1150 | .subdevice = PCI_ANY_ID, | |
1151 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1152 | }, | |
1153 | ||
01acf691 AL |
1154 | { |
1155 | .vendor = PCI_VENDOR_ID_O2, | |
1156 | .device = PCI_DEVICE_ID_O2_FUJIN2, | |
1157 | .subvendor = PCI_ANY_ID, | |
1158 | .subdevice = PCI_ANY_ID, | |
1159 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1160 | }, | |
1161 | ||
1162 | { | |
1163 | .vendor = PCI_VENDOR_ID_O2, | |
1164 | .device = PCI_DEVICE_ID_O2_SDS0, | |
1165 | .subvendor = PCI_ANY_ID, | |
1166 | .subdevice = PCI_ANY_ID, | |
1167 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1168 | }, | |
1169 | ||
1170 | { | |
1171 | .vendor = PCI_VENDOR_ID_O2, | |
1172 | .device = PCI_DEVICE_ID_O2_SDS1, | |
1173 | .subvendor = PCI_ANY_ID, | |
1174 | .subdevice = PCI_ANY_ID, | |
1175 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1176 | }, | |
1177 | ||
1178 | { | |
1179 | .vendor = PCI_VENDOR_ID_O2, | |
1180 | .device = PCI_DEVICE_ID_O2_SEABIRD0, | |
1181 | .subvendor = PCI_ANY_ID, | |
1182 | .subdevice = PCI_ANY_ID, | |
1183 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1184 | }, | |
1185 | ||
1186 | { | |
1187 | .vendor = PCI_VENDOR_ID_O2, | |
1188 | .device = PCI_DEVICE_ID_O2_SEABIRD1, | |
1189 | .subvendor = PCI_ANY_ID, | |
1190 | .subdevice = PCI_ANY_ID, | |
1191 | .driver_data = (kernel_ulong_t)&sdhci_o2, | |
1192 | }, | |
d44f88da VW |
1193 | { |
1194 | .vendor = PCI_VENDOR_ID_AMD, | |
1195 | .device = PCI_ANY_ID, | |
1196 | .class = PCI_CLASS_SYSTEM_SDHCI << 8, | |
1197 | .class_mask = 0xFFFF00, | |
1198 | .subvendor = PCI_ANY_ID, | |
1199 | .subdevice = PCI_ANY_ID, | |
1200 | .driver_data = (kernel_ulong_t)&sdhci_amd, | |
1201 | }, | |
b8c86fc5 PO |
1202 | { /* Generic SD host controller */ |
1203 | PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00) | |
1204 | }, | |
1205 | ||
1206 | { /* end: all zeroes */ }, | |
1207 | }; | |
1208 | ||
1209 | MODULE_DEVICE_TABLE(pci, pci_ids); | |
1210 | ||
b8c86fc5 PO |
1211 | /*****************************************************************************\ |
1212 | * * | |
1213 | * SDHCI core callbacks * | |
1214 | * * | |
1215 | \*****************************************************************************/ | |
1216 | ||
1217 | static int sdhci_pci_enable_dma(struct sdhci_host *host) | |
1218 | { | |
1219 | struct sdhci_pci_slot *slot; | |
1220 | struct pci_dev *pdev; | |
3828ecaa | 1221 | int ret = -1; |
b8c86fc5 PO |
1222 | |
1223 | slot = sdhci_priv(host); | |
1224 | pdev = slot->chip->pdev; | |
1225 | ||
1226 | if (((pdev->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI << 8)) && | |
1227 | ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) && | |
a13abc7b | 1228 | (host->flags & SDHCI_USE_SDMA)) { |
b8c86fc5 PO |
1229 | dev_warn(&pdev->dev, "Will use DMA mode even though HW " |
1230 | "doesn't fully claim to support it.\n"); | |
1231 | } | |
1232 | ||
3828ecaa AH |
1233 | if (host->flags & SDHCI_USE_64_BIT_DMA) { |
1234 | if (host->quirks2 & SDHCI_QUIRK2_BROKEN_64_BIT_DMA) { | |
1235 | host->flags &= ~SDHCI_USE_64_BIT_DMA; | |
1236 | } else { | |
1237 | ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
1238 | if (ret) | |
1239 | dev_warn(&pdev->dev, "Failed to set 64-bit DMA mask\n"); | |
1240 | } | |
1241 | } | |
1242 | if (ret) | |
1243 | ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
b8c86fc5 PO |
1244 | if (ret) |
1245 | return ret; | |
1246 | ||
1247 | pci_set_master(pdev); | |
1248 | ||
1249 | return 0; | |
1250 | } | |
1251 | ||
2317f56c | 1252 | static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width) |
68077b02 ML |
1253 | { |
1254 | u8 ctrl; | |
1255 | ||
1256 | ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); | |
1257 | ||
1258 | switch (width) { | |
1259 | case MMC_BUS_WIDTH_8: | |
1260 | ctrl |= SDHCI_CTRL_8BITBUS; | |
1261 | ctrl &= ~SDHCI_CTRL_4BITBUS; | |
1262 | break; | |
1263 | case MMC_BUS_WIDTH_4: | |
1264 | ctrl |= SDHCI_CTRL_4BITBUS; | |
1265 | ctrl &= ~SDHCI_CTRL_8BITBUS; | |
1266 | break; | |
1267 | default: | |
1268 | ctrl &= ~(SDHCI_CTRL_8BITBUS | SDHCI_CTRL_4BITBUS); | |
1269 | break; | |
1270 | } | |
1271 | ||
1272 | sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); | |
68077b02 ML |
1273 | } |
1274 | ||
c9faff6c | 1275 | static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host) |
0f201655 AH |
1276 | { |
1277 | struct sdhci_pci_slot *slot = sdhci_priv(host); | |
1278 | int rst_n_gpio = slot->rst_n_gpio; | |
1279 | ||
1280 | if (!gpio_is_valid(rst_n_gpio)) | |
1281 | return; | |
1282 | gpio_set_value_cansleep(rst_n_gpio, 0); | |
1283 | /* For eMMC, minimum is 1us but give it 10us for good measure */ | |
1284 | udelay(10); | |
1285 | gpio_set_value_cansleep(rst_n_gpio, 1); | |
1286 | /* For eMMC, minimum is 200us but give it 300us for good measure */ | |
1287 | usleep_range(300, 1000); | |
1288 | } | |
1289 | ||
c9faff6c AH |
1290 | static void sdhci_pci_hw_reset(struct sdhci_host *host) |
1291 | { | |
1292 | struct sdhci_pci_slot *slot = sdhci_priv(host); | |
1293 | ||
1294 | if (slot->hw_reset) | |
1295 | slot->hw_reset(host); | |
1296 | } | |
1297 | ||
e1bfad6d AH |
1298 | static int sdhci_pci_select_drive_strength(struct sdhci_host *host, |
1299 | struct mmc_card *card, | |
1300 | unsigned int max_dtr, int host_drv, | |
1301 | int card_drv, int *drv_type) | |
1302 | { | |
1303 | struct sdhci_pci_slot *slot = sdhci_priv(host); | |
1304 | ||
1305 | if (!slot->select_drive_strength) | |
1306 | return 0; | |
1307 | ||
1308 | return slot->select_drive_strength(host, card, max_dtr, host_drv, | |
1309 | card_drv, drv_type); | |
1310 | } | |
1311 | ||
c915568d | 1312 | static const struct sdhci_ops sdhci_pci_ops = { |
1771059c | 1313 | .set_clock = sdhci_set_clock, |
b8c86fc5 | 1314 | .enable_dma = sdhci_pci_enable_dma, |
2317f56c | 1315 | .set_bus_width = sdhci_pci_set_bus_width, |
03231f9b | 1316 | .reset = sdhci_reset, |
96d7b78c | 1317 | .set_uhs_signaling = sdhci_set_uhs_signaling, |
0f201655 | 1318 | .hw_reset = sdhci_pci_hw_reset, |
e1bfad6d | 1319 | .select_drive_strength = sdhci_pci_select_drive_strength, |
b8c86fc5 PO |
1320 | }; |
1321 | ||
1322 | /*****************************************************************************\ | |
1323 | * * | |
1324 | * Suspend/resume * | |
1325 | * * | |
1326 | \*****************************************************************************/ | |
1327 | ||
1328 | #ifdef CONFIG_PM | |
1329 | ||
29495aa0 | 1330 | static int sdhci_pci_suspend(struct device *dev) |
b8c86fc5 | 1331 | { |
29495aa0 | 1332 | struct pci_dev *pdev = to_pci_dev(dev); |
b8c86fc5 PO |
1333 | struct sdhci_pci_chip *chip; |
1334 | struct sdhci_pci_slot *slot; | |
5f619704 | 1335 | mmc_pm_flag_t slot_pm_flags; |
2f4cbb3d | 1336 | mmc_pm_flag_t pm_flags = 0; |
b8c86fc5 PO |
1337 | int i, ret; |
1338 | ||
1339 | chip = pci_get_drvdata(pdev); | |
1340 | if (!chip) | |
1341 | return 0; | |
1342 | ||
b177bc91 | 1343 | for (i = 0; i < chip->num_slots; i++) { |
b8c86fc5 PO |
1344 | slot = chip->slots[i]; |
1345 | if (!slot) | |
1346 | continue; | |
1347 | ||
29495aa0 | 1348 | ret = sdhci_suspend_host(slot->host); |
b8c86fc5 | 1349 | |
b678b91f AL |
1350 | if (ret) |
1351 | goto err_pci_suspend; | |
2f4cbb3d | 1352 | |
5f619704 DD |
1353 | slot_pm_flags = slot->host->mmc->pm_flags; |
1354 | if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ) | |
1355 | sdhci_enable_irq_wakeups(slot->host); | |
1356 | ||
1357 | pm_flags |= slot_pm_flags; | |
b8c86fc5 PO |
1358 | } |
1359 | ||
4489428a | 1360 | if (chip->fixes && chip->fixes->suspend) { |
29495aa0 | 1361 | ret = chip->fixes->suspend(chip); |
b678b91f AL |
1362 | if (ret) |
1363 | goto err_pci_suspend; | |
4489428a PO |
1364 | } |
1365 | ||
2f4cbb3d | 1366 | if (pm_flags & MMC_PM_KEEP_POWER) { |
6b91f2d4 CD |
1367 | if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) |
1368 | device_init_wakeup(dev, true); | |
1369 | else | |
1370 | device_init_wakeup(dev, false); | |
1371 | } else | |
1372 | device_init_wakeup(dev, false); | |
b8c86fc5 PO |
1373 | |
1374 | return 0; | |
b678b91f AL |
1375 | |
1376 | err_pci_suspend: | |
1377 | while (--i >= 0) | |
1378 | sdhci_resume_host(chip->slots[i]->host); | |
1379 | return ret; | |
b8c86fc5 PO |
1380 | } |
1381 | ||
29495aa0 | 1382 | static int sdhci_pci_resume(struct device *dev) |
b8c86fc5 | 1383 | { |
29495aa0 | 1384 | struct pci_dev *pdev = to_pci_dev(dev); |
b8c86fc5 PO |
1385 | struct sdhci_pci_chip *chip; |
1386 | struct sdhci_pci_slot *slot; | |
1387 | int i, ret; | |
1388 | ||
1389 | chip = pci_get_drvdata(pdev); | |
1390 | if (!chip) | |
1391 | return 0; | |
1392 | ||
45211e21 PO |
1393 | if (chip->fixes && chip->fixes->resume) { |
1394 | ret = chip->fixes->resume(chip); | |
1395 | if (ret) | |
1396 | return ret; | |
1397 | } | |
1398 | ||
b177bc91 | 1399 | for (i = 0; i < chip->num_slots; i++) { |
b8c86fc5 PO |
1400 | slot = chip->slots[i]; |
1401 | if (!slot) | |
1402 | continue; | |
1403 | ||
1404 | ret = sdhci_resume_host(slot->host); | |
1405 | if (ret) | |
1406 | return ret; | |
1407 | } | |
1408 | ||
1409 | return 0; | |
1410 | } | |
1411 | ||
66fd8ad5 AH |
1412 | static int sdhci_pci_runtime_suspend(struct device *dev) |
1413 | { | |
1414 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
1415 | struct sdhci_pci_chip *chip; | |
1416 | struct sdhci_pci_slot *slot; | |
66fd8ad5 AH |
1417 | int i, ret; |
1418 | ||
1419 | chip = pci_get_drvdata(pdev); | |
1420 | if (!chip) | |
1421 | return 0; | |
1422 | ||
1423 | for (i = 0; i < chip->num_slots; i++) { | |
1424 | slot = chip->slots[i]; | |
1425 | if (!slot) | |
1426 | continue; | |
1427 | ||
1428 | ret = sdhci_runtime_suspend_host(slot->host); | |
1429 | ||
b678b91f AL |
1430 | if (ret) |
1431 | goto err_pci_runtime_suspend; | |
66fd8ad5 AH |
1432 | } |
1433 | ||
1434 | if (chip->fixes && chip->fixes->suspend) { | |
29495aa0 | 1435 | ret = chip->fixes->suspend(chip); |
b678b91f AL |
1436 | if (ret) |
1437 | goto err_pci_runtime_suspend; | |
66fd8ad5 AH |
1438 | } |
1439 | ||
1440 | return 0; | |
b678b91f AL |
1441 | |
1442 | err_pci_runtime_suspend: | |
1443 | while (--i >= 0) | |
1444 | sdhci_runtime_resume_host(chip->slots[i]->host); | |
1445 | return ret; | |
66fd8ad5 AH |
1446 | } |
1447 | ||
1448 | static int sdhci_pci_runtime_resume(struct device *dev) | |
1449 | { | |
1450 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
1451 | struct sdhci_pci_chip *chip; | |
1452 | struct sdhci_pci_slot *slot; | |
1453 | int i, ret; | |
1454 | ||
1455 | chip = pci_get_drvdata(pdev); | |
1456 | if (!chip) | |
1457 | return 0; | |
1458 | ||
1459 | if (chip->fixes && chip->fixes->resume) { | |
1460 | ret = chip->fixes->resume(chip); | |
1461 | if (ret) | |
1462 | return ret; | |
1463 | } | |
1464 | ||
1465 | for (i = 0; i < chip->num_slots; i++) { | |
1466 | slot = chip->slots[i]; | |
1467 | if (!slot) | |
1468 | continue; | |
1469 | ||
1470 | ret = sdhci_runtime_resume_host(slot->host); | |
1471 | if (ret) | |
1472 | return ret; | |
1473 | } | |
1474 | ||
1475 | return 0; | |
1476 | } | |
1477 | ||
162d6f98 RW |
1478 | #else /* CONFIG_PM */ |
1479 | ||
1480 | #define sdhci_pci_suspend NULL | |
1481 | #define sdhci_pci_resume NULL | |
1482 | ||
1483 | #endif /* CONFIG_PM */ | |
66fd8ad5 AH |
1484 | |
1485 | static const struct dev_pm_ops sdhci_pci_pm_ops = { | |
29495aa0 ML |
1486 | .suspend = sdhci_pci_suspend, |
1487 | .resume = sdhci_pci_resume, | |
f3a92b1a | 1488 | SET_RUNTIME_PM_OPS(sdhci_pci_runtime_suspend, |
106276bb | 1489 | sdhci_pci_runtime_resume, NULL) |
66fd8ad5 AH |
1490 | }; |
1491 | ||
b8c86fc5 PO |
1492 | /*****************************************************************************\ |
1493 | * * | |
1494 | * Device probing/removal * | |
1495 | * * | |
1496 | \*****************************************************************************/ | |
1497 | ||
c3be1efd | 1498 | static struct sdhci_pci_slot *sdhci_pci_probe_slot( |
52c506f0 AH |
1499 | struct pci_dev *pdev, struct sdhci_pci_chip *chip, int first_bar, |
1500 | int slotno) | |
b8c86fc5 PO |
1501 | { |
1502 | struct sdhci_pci_slot *slot; | |
1503 | struct sdhci_host *host; | |
52c506f0 | 1504 | int ret, bar = first_bar + slotno; |
b8c86fc5 PO |
1505 | |
1506 | if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) { | |
1507 | dev_err(&pdev->dev, "BAR %d is not iomem. Aborting.\n", bar); | |
1508 | return ERR_PTR(-ENODEV); | |
1509 | } | |
1510 | ||
90b3e6c5 | 1511 | if (pci_resource_len(pdev, bar) < 0x100) { |
b8c86fc5 PO |
1512 | dev_err(&pdev->dev, "Invalid iomem size. You may " |
1513 | "experience problems.\n"); | |
1514 | } | |
1515 | ||
1516 | if ((pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { | |
1517 | dev_err(&pdev->dev, "Vendor specific interface. Aborting.\n"); | |
1518 | return ERR_PTR(-ENODEV); | |
1519 | } | |
1520 | ||
1521 | if ((pdev->class & 0x0000FF) > PCI_SDHCI_IFVENDOR) { | |
1522 | dev_err(&pdev->dev, "Unknown interface. Aborting.\n"); | |
1523 | return ERR_PTR(-ENODEV); | |
1524 | } | |
1525 | ||
1526 | host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot)); | |
1527 | if (IS_ERR(host)) { | |
c60a32cd | 1528 | dev_err(&pdev->dev, "cannot allocate host\n"); |
dc0fd7b5 | 1529 | return ERR_CAST(host); |
b8c86fc5 PO |
1530 | } |
1531 | ||
1532 | slot = sdhci_priv(host); | |
1533 | ||
1534 | slot->chip = chip; | |
1535 | slot->host = host; | |
1536 | slot->pci_bar = bar; | |
0f201655 | 1537 | slot->rst_n_gpio = -EINVAL; |
c5e027a4 | 1538 | slot->cd_gpio = -EINVAL; |
ff59c520 | 1539 | slot->cd_idx = -1; |
b8c86fc5 | 1540 | |
52c506f0 AH |
1541 | /* Retrieve platform data if there is any */ |
1542 | if (*sdhci_pci_get_data) | |
1543 | slot->data = sdhci_pci_get_data(pdev, slotno); | |
1544 | ||
1545 | if (slot->data) { | |
1546 | if (slot->data->setup) { | |
1547 | ret = slot->data->setup(slot->data); | |
1548 | if (ret) { | |
1549 | dev_err(&pdev->dev, "platform setup failed\n"); | |
1550 | goto free; | |
1551 | } | |
1552 | } | |
c5e027a4 AH |
1553 | slot->rst_n_gpio = slot->data->rst_n_gpio; |
1554 | slot->cd_gpio = slot->data->cd_gpio; | |
52c506f0 AH |
1555 | } |
1556 | ||
b8c86fc5 PO |
1557 | host->hw_name = "PCI"; |
1558 | host->ops = &sdhci_pci_ops; | |
1559 | host->quirks = chip->quirks; | |
f3c55a7b | 1560 | host->quirks2 = chip->quirks2; |
b8c86fc5 PO |
1561 | |
1562 | host->irq = pdev->irq; | |
1563 | ||
1564 | ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc)); | |
1565 | if (ret) { | |
1566 | dev_err(&pdev->dev, "cannot request region\n"); | |
52c506f0 | 1567 | goto cleanup; |
b8c86fc5 PO |
1568 | } |
1569 | ||
092f82ed | 1570 | host->ioaddr = pci_ioremap_bar(pdev, bar); |
b8c86fc5 PO |
1571 | if (!host->ioaddr) { |
1572 | dev_err(&pdev->dev, "failed to remap registers\n"); | |
9fdcdbb0 | 1573 | ret = -ENOMEM; |
b8c86fc5 PO |
1574 | goto release; |
1575 | } | |
1576 | ||
4489428a PO |
1577 | if (chip->fixes && chip->fixes->probe_slot) { |
1578 | ret = chip->fixes->probe_slot(slot); | |
1579 | if (ret) | |
1580 | goto unmap; | |
1581 | } | |
1582 | ||
c5e027a4 AH |
1583 | if (gpio_is_valid(slot->rst_n_gpio)) { |
1584 | if (!gpio_request(slot->rst_n_gpio, "eMMC_reset")) { | |
1585 | gpio_direction_output(slot->rst_n_gpio, 1); | |
1586 | slot->host->mmc->caps |= MMC_CAP_HW_RESET; | |
c9faff6c | 1587 | slot->hw_reset = sdhci_pci_gpio_hw_reset; |
c5e027a4 AH |
1588 | } else { |
1589 | dev_warn(&pdev->dev, "failed to request rst_n_gpio\n"); | |
1590 | slot->rst_n_gpio = -EINVAL; | |
1591 | } | |
1592 | } | |
1593 | ||
2f4cbb3d | 1594 | host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ; |
eed222ac | 1595 | host->mmc->slotno = slotno; |
a08b17be | 1596 | host->mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP; |
2f4cbb3d | 1597 | |
ff59c520 AH |
1598 | if (slot->cd_idx >= 0 && |
1599 | mmc_gpiod_request_cd(host->mmc, slot->cd_con_id, slot->cd_idx, | |
1600 | slot->cd_override_level, 0, NULL)) { | |
1601 | dev_warn(&pdev->dev, "failed to setup card detect gpio\n"); | |
1602 | slot->cd_idx = -1; | |
1603 | } | |
1604 | ||
b8c86fc5 PO |
1605 | ret = sdhci_add_host(host); |
1606 | if (ret) | |
4489428a | 1607 | goto remove; |
b8c86fc5 | 1608 | |
c5e027a4 AH |
1609 | sdhci_pci_add_own_cd(slot); |
1610 | ||
77a0122e AH |
1611 | /* |
1612 | * Check if the chip needs a separate GPIO for card detect to wake up | |
1613 | * from runtime suspend. If it is not there, don't allow runtime PM. | |
1614 | * Note sdhci_pci_add_own_cd() sets slot->cd_gpio to -EINVAL on failure. | |
1615 | */ | |
945be38c | 1616 | if (chip->fixes && chip->fixes->own_cd_for_runtime_pm && |
ff59c520 | 1617 | !gpio_is_valid(slot->cd_gpio) && slot->cd_idx < 0) |
77a0122e AH |
1618 | chip->allow_runtime_pm = false; |
1619 | ||
b8c86fc5 PO |
1620 | return slot; |
1621 | ||
4489428a | 1622 | remove: |
c5e027a4 AH |
1623 | if (gpio_is_valid(slot->rst_n_gpio)) |
1624 | gpio_free(slot->rst_n_gpio); | |
1625 | ||
4489428a | 1626 | if (chip->fixes && chip->fixes->remove_slot) |
1e72859e | 1627 | chip->fixes->remove_slot(slot, 0); |
4489428a | 1628 | |
b8c86fc5 PO |
1629 | unmap: |
1630 | iounmap(host->ioaddr); | |
1631 | ||
1632 | release: | |
1633 | pci_release_region(pdev, bar); | |
c60a32cd | 1634 | |
52c506f0 AH |
1635 | cleanup: |
1636 | if (slot->data && slot->data->cleanup) | |
1637 | slot->data->cleanup(slot->data); | |
1638 | ||
c60a32cd | 1639 | free: |
b8c86fc5 PO |
1640 | sdhci_free_host(host); |
1641 | ||
1642 | return ERR_PTR(ret); | |
1643 | } | |
1644 | ||
1645 | static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot) | |
1646 | { | |
1e72859e PO |
1647 | int dead; |
1648 | u32 scratch; | |
1649 | ||
c5e027a4 AH |
1650 | sdhci_pci_remove_own_cd(slot); |
1651 | ||
1e72859e PO |
1652 | dead = 0; |
1653 | scratch = readl(slot->host->ioaddr + SDHCI_INT_STATUS); | |
1654 | if (scratch == (u32)-1) | |
1655 | dead = 1; | |
1656 | ||
1657 | sdhci_remove_host(slot->host, dead); | |
4489428a | 1658 | |
c5e027a4 AH |
1659 | if (gpio_is_valid(slot->rst_n_gpio)) |
1660 | gpio_free(slot->rst_n_gpio); | |
1661 | ||
4489428a | 1662 | if (slot->chip->fixes && slot->chip->fixes->remove_slot) |
1e72859e | 1663 | slot->chip->fixes->remove_slot(slot, dead); |
4489428a | 1664 | |
52c506f0 AH |
1665 | if (slot->data && slot->data->cleanup) |
1666 | slot->data->cleanup(slot->data); | |
1667 | ||
b8c86fc5 | 1668 | pci_release_region(slot->chip->pdev, slot->pci_bar); |
4489428a | 1669 | |
b8c86fc5 PO |
1670 | sdhci_free_host(slot->host); |
1671 | } | |
1672 | ||
c3be1efd | 1673 | static void sdhci_pci_runtime_pm_allow(struct device *dev) |
66fd8ad5 AH |
1674 | { |
1675 | pm_runtime_put_noidle(dev); | |
1676 | pm_runtime_allow(dev); | |
1677 | pm_runtime_set_autosuspend_delay(dev, 50); | |
1678 | pm_runtime_use_autosuspend(dev); | |
1679 | pm_suspend_ignore_children(dev, 1); | |
1680 | } | |
1681 | ||
6e0ee714 | 1682 | static void sdhci_pci_runtime_pm_forbid(struct device *dev) |
66fd8ad5 AH |
1683 | { |
1684 | pm_runtime_forbid(dev); | |
1685 | pm_runtime_get_noresume(dev); | |
1686 | } | |
1687 | ||
c3be1efd | 1688 | static int sdhci_pci_probe(struct pci_dev *pdev, |
b8c86fc5 PO |
1689 | const struct pci_device_id *ent) |
1690 | { | |
1691 | struct sdhci_pci_chip *chip; | |
1692 | struct sdhci_pci_slot *slot; | |
1693 | ||
cf5e23e1 | 1694 | u8 slots, first_bar; |
b8c86fc5 PO |
1695 | int ret, i; |
1696 | ||
1697 | BUG_ON(pdev == NULL); | |
1698 | BUG_ON(ent == NULL); | |
1699 | ||
b8c86fc5 | 1700 | dev_info(&pdev->dev, "SDHCI controller found [%04x:%04x] (rev %x)\n", |
cf5e23e1 | 1701 | (int)pdev->vendor, (int)pdev->device, (int)pdev->revision); |
b8c86fc5 PO |
1702 | |
1703 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots); | |
1704 | if (ret) | |
1705 | return ret; | |
1706 | ||
1707 | slots = PCI_SLOT_INFO_SLOTS(slots) + 1; | |
1708 | dev_dbg(&pdev->dev, "found %d slot(s)\n", slots); | |
1709 | if (slots == 0) | |
1710 | return -ENODEV; | |
1711 | ||
1712 | BUG_ON(slots > MAX_SLOTS); | |
1713 | ||
1714 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar); | |
1715 | if (ret) | |
1716 | return ret; | |
1717 | ||
1718 | first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK; | |
1719 | ||
1720 | if (first_bar > 5) { | |
1721 | dev_err(&pdev->dev, "Invalid first BAR. Aborting.\n"); | |
1722 | return -ENODEV; | |
1723 | } | |
1724 | ||
1725 | ret = pci_enable_device(pdev); | |
1726 | if (ret) | |
1727 | return ret; | |
1728 | ||
1729 | chip = kzalloc(sizeof(struct sdhci_pci_chip), GFP_KERNEL); | |
1730 | if (!chip) { | |
1731 | ret = -ENOMEM; | |
1732 | goto err; | |
1733 | } | |
1734 | ||
1735 | chip->pdev = pdev; | |
b177bc91 | 1736 | chip->fixes = (const struct sdhci_pci_fixes *)ent->driver_data; |
c43fd774 | 1737 | if (chip->fixes) { |
22606405 | 1738 | chip->quirks = chip->fixes->quirks; |
f3c55a7b | 1739 | chip->quirks2 = chip->fixes->quirks2; |
c43fd774 AH |
1740 | chip->allow_runtime_pm = chip->fixes->allow_runtime_pm; |
1741 | } | |
b8c86fc5 PO |
1742 | chip->num_slots = slots; |
1743 | ||
1744 | pci_set_drvdata(pdev, chip); | |
1745 | ||
22606405 PO |
1746 | if (chip->fixes && chip->fixes->probe) { |
1747 | ret = chip->fixes->probe(chip); | |
1748 | if (ret) | |
1749 | goto free; | |
1750 | } | |
1751 | ||
225d85fe AC |
1752 | slots = chip->num_slots; /* Quirk may have changed this */ |
1753 | ||
b177bc91 | 1754 | for (i = 0; i < slots; i++) { |
52c506f0 | 1755 | slot = sdhci_pci_probe_slot(pdev, chip, first_bar, i); |
b8c86fc5 | 1756 | if (IS_ERR(slot)) { |
b177bc91 | 1757 | for (i--; i >= 0; i--) |
b8c86fc5 PO |
1758 | sdhci_pci_remove_slot(chip->slots[i]); |
1759 | ret = PTR_ERR(slot); | |
1760 | goto free; | |
1761 | } | |
1762 | ||
1763 | chip->slots[i] = slot; | |
1764 | } | |
1765 | ||
c43fd774 AH |
1766 | if (chip->allow_runtime_pm) |
1767 | sdhci_pci_runtime_pm_allow(&pdev->dev); | |
66fd8ad5 | 1768 | |
b8c86fc5 PO |
1769 | return 0; |
1770 | ||
1771 | free: | |
1772 | pci_set_drvdata(pdev, NULL); | |
1773 | kfree(chip); | |
1774 | ||
1775 | err: | |
1776 | pci_disable_device(pdev); | |
1777 | return ret; | |
1778 | } | |
1779 | ||
6e0ee714 | 1780 | static void sdhci_pci_remove(struct pci_dev *pdev) |
b8c86fc5 PO |
1781 | { |
1782 | int i; | |
1783 | struct sdhci_pci_chip *chip; | |
1784 | ||
1785 | chip = pci_get_drvdata(pdev); | |
1786 | ||
1787 | if (chip) { | |
c43fd774 AH |
1788 | if (chip->allow_runtime_pm) |
1789 | sdhci_pci_runtime_pm_forbid(&pdev->dev); | |
1790 | ||
b177bc91 | 1791 | for (i = 0; i < chip->num_slots; i++) |
b8c86fc5 PO |
1792 | sdhci_pci_remove_slot(chip->slots[i]); |
1793 | ||
1794 | pci_set_drvdata(pdev, NULL); | |
1795 | kfree(chip); | |
1796 | } | |
1797 | ||
1798 | pci_disable_device(pdev); | |
1799 | } | |
1800 | ||
1801 | static struct pci_driver sdhci_driver = { | |
b177bc91 | 1802 | .name = "sdhci-pci", |
b8c86fc5 | 1803 | .id_table = pci_ids, |
b177bc91 | 1804 | .probe = sdhci_pci_probe, |
0433c143 | 1805 | .remove = sdhci_pci_remove, |
66fd8ad5 AH |
1806 | .driver = { |
1807 | .pm = &sdhci_pci_pm_ops | |
1808 | }, | |
b8c86fc5 PO |
1809 | }; |
1810 | ||
acc69646 | 1811 | module_pci_driver(sdhci_driver); |
b8c86fc5 | 1812 | |
32710e8f | 1813 | MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>"); |
b8c86fc5 PO |
1814 | MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver"); |
1815 | MODULE_LICENSE("GPL"); |