Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1 | /* linux/drivers/mmc/host/sdhci-pci.c - SDHCI on PCI bus interface |
| 2 | * |
| 3 | * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or (at |
| 8 | * your option) any later version. |
| 9 | * |
| 10 | * Thanks to the following companies for their support: |
| 11 | * |
| 12 | * - JMicron (hardware and technical support) |
| 13 | */ |
| 14 | |
| 15 | #include <linux/delay.h> |
| 16 | #include <linux/highmem.h> |
| 17 | #include <linux/pci.h> |
| 18 | #include <linux/dma-mapping.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 19 | #include <linux/slab.h> |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 20 | #include <linux/device.h> |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 21 | #include <linux/mmc/host.h> |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 22 | #include <linux/scatterlist.h> |
| 23 | #include <linux/io.h> |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 24 | |
| 25 | #include "sdhci.h" |
| 26 | |
| 27 | /* |
| 28 | * PCI registers |
| 29 | */ |
| 30 | |
| 31 | #define PCI_SDHCI_IFPIO 0x00 |
| 32 | #define PCI_SDHCI_IFDMA 0x01 |
| 33 | #define PCI_SDHCI_IFVENDOR 0x02 |
| 34 | |
| 35 | #define PCI_SLOT_INFO 0x40 /* 8 bits */ |
| 36 | #define PCI_SLOT_INFO_SLOTS(x) ((x >> 4) & 7) |
| 37 | #define PCI_SLOT_INFO_FIRST_BAR_MASK 0x07 |
| 38 | |
| 39 | #define MAX_SLOTS 8 |
| 40 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 41 | struct sdhci_pci_chip; |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 42 | struct sdhci_pci_slot; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 43 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 44 | struct sdhci_pci_fixes { |
| 45 | unsigned int quirks; |
| 46 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 47 | int (*probe) (struct sdhci_pci_chip *); |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 48 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 49 | int (*probe_slot) (struct sdhci_pci_slot *); |
| 50 | void (*remove_slot) (struct sdhci_pci_slot *, int); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 51 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 52 | int (*suspend) (struct sdhci_pci_chip *, |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 53 | pm_message_t); |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 54 | int (*resume) (struct sdhci_pci_chip *); |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 55 | }; |
| 56 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 57 | struct sdhci_pci_slot { |
| 58 | struct sdhci_pci_chip *chip; |
| 59 | struct sdhci_host *host; |
| 60 | |
| 61 | int pci_bar; |
| 62 | }; |
| 63 | |
| 64 | struct sdhci_pci_chip { |
| 65 | struct pci_dev *pdev; |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 66 | |
| 67 | unsigned int quirks; |
| 68 | const struct sdhci_pci_fixes *fixes; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 69 | |
| 70 | int num_slots; /* Slots on controller */ |
| 71 | struct sdhci_pci_slot *slots[MAX_SLOTS]; /* Pointers to host slots */ |
| 72 | }; |
| 73 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 74 | |
| 75 | /*****************************************************************************\ |
| 76 | * * |
| 77 | * Hardware specific quirk handling * |
| 78 | * * |
| 79 | \*****************************************************************************/ |
| 80 | |
| 81 | static int ricoh_probe(struct sdhci_pci_chip *chip) |
| 82 | { |
Chris Ball | c99436f | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 83 | if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG || |
| 84 | chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY) |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 85 | chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET; |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 86 | return 0; |
| 87 | } |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 88 | |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 89 | static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot) |
| 90 | { |
| 91 | slot->host->caps = |
| 92 | ((0x21 << SDHCI_TIMEOUT_CLK_SHIFT) |
| 93 | & SDHCI_TIMEOUT_CLK_MASK) | |
| 94 | |
| 95 | ((0x21 << SDHCI_CLOCK_BASE_SHIFT) |
| 96 | & SDHCI_CLOCK_BASE_MASK) | |
| 97 | |
| 98 | SDHCI_TIMEOUT_CLK_UNIT | |
| 99 | SDHCI_CAN_VDD_330 | |
| 100 | SDHCI_CAN_DO_SDMA; |
| 101 | return 0; |
| 102 | } |
| 103 | |
| 104 | static int ricoh_mmc_resume(struct sdhci_pci_chip *chip) |
| 105 | { |
| 106 | /* Apply a delay to allow controller to settle */ |
| 107 | /* Otherwise it becomes confused if card state changed |
| 108 | during suspend */ |
| 109 | msleep(500); |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | static const struct sdhci_pci_fixes sdhci_ricoh = { |
| 114 | .probe = ricoh_probe, |
Vasily Khoruzhick | 8493829 | 2010-03-05 13:43:46 -0800 | [diff] [blame] | 115 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | |
| 116 | SDHCI_QUIRK_FORCE_DMA | |
| 117 | SDHCI_QUIRK_CLOCK_BEFORE_RESET, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 118 | }; |
| 119 | |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 120 | static const struct sdhci_pci_fixes sdhci_ricoh_mmc = { |
| 121 | .probe_slot = ricoh_mmc_probe_slot, |
| 122 | .resume = ricoh_mmc_resume, |
| 123 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | |
| 124 | SDHCI_QUIRK_CLOCK_BEFORE_RESET | |
| 125 | SDHCI_QUIRK_NO_CARD_NO_RESET | |
| 126 | SDHCI_QUIRK_MISSING_CAPS |
| 127 | }; |
| 128 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 129 | static const struct sdhci_pci_fixes sdhci_ene_712 = { |
| 130 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | |
| 131 | SDHCI_QUIRK_BROKEN_DMA, |
| 132 | }; |
| 133 | |
| 134 | static const struct sdhci_pci_fixes sdhci_ene_714 = { |
| 135 | .quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE | |
| 136 | SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS | |
| 137 | SDHCI_QUIRK_BROKEN_DMA, |
| 138 | }; |
| 139 | |
| 140 | static const struct sdhci_pci_fixes sdhci_cafe = { |
| 141 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER | |
Andres Salomon | a087489 | 2009-03-02 21:48:20 +0100 | [diff] [blame] | 142 | SDHCI_QUIRK_NO_BUSY_IRQ | |
Pierre Ossman | ee53ab5 | 2008-07-05 00:25:15 +0200 | [diff] [blame] | 143 | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 144 | }; |
| 145 | |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 146 | /* |
| 147 | * ADMA operation is disabled for Moorestown platform due to |
| 148 | * hardware bugs. |
| 149 | */ |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 150 | static int mrst_hc_probe(struct sdhci_pci_chip *chip) |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 151 | { |
| 152 | /* |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 153 | * slots number is fixed here for MRST as SDIO3/5 are never used and |
| 154 | * have hardware bugs. |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 155 | */ |
| 156 | chip->num_slots = 1; |
| 157 | return 0; |
| 158 | } |
| 159 | |
| 160 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = { |
| 161 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, |
| 162 | }; |
| 163 | |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 164 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = { |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 165 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 166 | .probe = mrst_hc_probe, |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 167 | }; |
| 168 | |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 169 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = { |
| 170 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
| 171 | }; |
| 172 | |
| 173 | static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc_sdio = { |
| 174 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
| 175 | }; |
| 176 | |
Jennifer Li | 26daa1e | 2010-11-17 23:01:59 -0500 | [diff] [blame] | 177 | /* O2Micro extra registers */ |
| 178 | #define O2_SD_LOCK_WP 0xD3 |
| 179 | #define O2_SD_MULTI_VCC3V 0xEE |
| 180 | #define O2_SD_CLKREQ 0xEC |
| 181 | #define O2_SD_CAPS 0xE0 |
| 182 | #define O2_SD_ADMA1 0xE2 |
| 183 | #define O2_SD_ADMA2 0xE7 |
| 184 | #define O2_SD_INF_MOD 0xF1 |
| 185 | |
| 186 | static int o2_probe(struct sdhci_pci_chip *chip) |
| 187 | { |
| 188 | int ret; |
| 189 | u8 scratch; |
| 190 | |
| 191 | switch (chip->pdev->device) { |
| 192 | case PCI_DEVICE_ID_O2_8220: |
| 193 | case PCI_DEVICE_ID_O2_8221: |
| 194 | case PCI_DEVICE_ID_O2_8320: |
| 195 | case PCI_DEVICE_ID_O2_8321: |
| 196 | /* This extra setup is required due to broken ADMA. */ |
| 197 | ret = pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch); |
| 198 | if (ret) |
| 199 | return ret; |
| 200 | scratch &= 0x7f; |
| 201 | pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch); |
| 202 | |
| 203 | /* Set Multi 3 to VCC3V# */ |
| 204 | pci_write_config_byte(chip->pdev, O2_SD_MULTI_VCC3V, 0x08); |
| 205 | |
| 206 | /* Disable CLK_REQ# support after media DET */ |
| 207 | ret = pci_read_config_byte(chip->pdev, O2_SD_CLKREQ, &scratch); |
| 208 | if (ret) |
| 209 | return ret; |
| 210 | scratch |= 0x20; |
| 211 | pci_write_config_byte(chip->pdev, O2_SD_CLKREQ, scratch); |
| 212 | |
| 213 | /* Choose capabilities, enable SDMA. We have to write 0x01 |
| 214 | * to the capabilities register first to unlock it. |
| 215 | */ |
| 216 | ret = pci_read_config_byte(chip->pdev, O2_SD_CAPS, &scratch); |
| 217 | if (ret) |
| 218 | return ret; |
| 219 | scratch |= 0x01; |
| 220 | pci_write_config_byte(chip->pdev, O2_SD_CAPS, scratch); |
| 221 | pci_write_config_byte(chip->pdev, O2_SD_CAPS, 0x73); |
| 222 | |
| 223 | /* Disable ADMA1/2 */ |
| 224 | pci_write_config_byte(chip->pdev, O2_SD_ADMA1, 0x39); |
| 225 | pci_write_config_byte(chip->pdev, O2_SD_ADMA2, 0x08); |
| 226 | |
| 227 | /* Disable the infinite transfer mode */ |
| 228 | ret = pci_read_config_byte(chip->pdev, O2_SD_INF_MOD, &scratch); |
| 229 | if (ret) |
| 230 | return ret; |
| 231 | scratch |= 0x08; |
| 232 | pci_write_config_byte(chip->pdev, O2_SD_INF_MOD, scratch); |
| 233 | |
| 234 | /* Lock WP */ |
| 235 | ret = pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch); |
| 236 | if (ret) |
| 237 | return ret; |
| 238 | scratch |= 0x80; |
| 239 | pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch); |
| 240 | } |
| 241 | |
| 242 | return 0; |
| 243 | } |
| 244 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 245 | static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) |
| 246 | { |
| 247 | u8 scratch; |
| 248 | int ret; |
| 249 | |
| 250 | ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch); |
| 251 | if (ret) |
| 252 | return ret; |
| 253 | |
| 254 | /* |
| 255 | * Turn PMOS on [bit 0], set over current detection to 2.4 V |
| 256 | * [bit 1:2] and enable over current debouncing [bit 6]. |
| 257 | */ |
| 258 | if (on) |
| 259 | scratch |= 0x47; |
| 260 | else |
| 261 | scratch &= ~0x47; |
| 262 | |
| 263 | ret = pci_write_config_byte(chip->pdev, 0xAE, scratch); |
| 264 | if (ret) |
| 265 | return ret; |
| 266 | |
| 267 | return 0; |
| 268 | } |
| 269 | |
| 270 | static int jmicron_probe(struct sdhci_pci_chip *chip) |
| 271 | { |
| 272 | int ret; |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 273 | u16 mmcdev = 0; |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 274 | |
Pierre Ossman | 93fc48c | 2008-06-28 18:21:41 +0200 | [diff] [blame] | 275 | if (chip->pdev->revision == 0) { |
| 276 | chip->quirks |= SDHCI_QUIRK_32BIT_DMA_ADDR | |
| 277 | SDHCI_QUIRK_32BIT_DMA_SIZE | |
Pierre Ossman | 2134a92 | 2008-06-28 18:28:51 +0200 | [diff] [blame] | 278 | SDHCI_QUIRK_32BIT_ADMA_SIZE | |
Pierre Ossman | 4a3cba3 | 2008-07-29 00:11:16 +0200 | [diff] [blame] | 279 | SDHCI_QUIRK_RESET_AFTER_REQUEST | |
Pierre Ossman | 86a6a87 | 2009-02-02 21:13:49 +0100 | [diff] [blame] | 280 | SDHCI_QUIRK_BROKEN_SMALL_PIO; |
Pierre Ossman | 93fc48c | 2008-06-28 18:21:41 +0200 | [diff] [blame] | 281 | } |
| 282 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 283 | /* |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 284 | * JMicron chips can have two interfaces to the same hardware |
| 285 | * in order to work around limitations in Microsoft's driver. |
| 286 | * We need to make sure we only bind to one of them. |
| 287 | * |
| 288 | * This code assumes two things: |
| 289 | * |
| 290 | * 1. The PCI code adds subfunctions in order. |
| 291 | * |
| 292 | * 2. The MMC interface has a lower subfunction number |
| 293 | * than the SD interface. |
| 294 | */ |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 295 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_SD) |
| 296 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB38X_MMC; |
| 297 | else if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD) |
| 298 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB388_ESD; |
| 299 | |
| 300 | if (mmcdev) { |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 301 | struct pci_dev *sd_dev; |
| 302 | |
| 303 | sd_dev = NULL; |
| 304 | while ((sd_dev = pci_get_device(PCI_VENDOR_ID_JMICRON, |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 305 | mmcdev, sd_dev)) != NULL) { |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 306 | if ((PCI_SLOT(chip->pdev->devfn) == |
| 307 | PCI_SLOT(sd_dev->devfn)) && |
| 308 | (chip->pdev->bus == sd_dev->bus)) |
| 309 | break; |
| 310 | } |
| 311 | |
| 312 | if (sd_dev) { |
| 313 | pci_dev_put(sd_dev); |
| 314 | dev_info(&chip->pdev->dev, "Refusing to bind to " |
| 315 | "secondary interface.\n"); |
| 316 | return -ENODEV; |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | /* |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 321 | * JMicron chips need a bit of a nudge to enable the power |
| 322 | * output pins. |
| 323 | */ |
| 324 | ret = jmicron_pmos(chip, 1); |
| 325 | if (ret) { |
| 326 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); |
| 327 | return ret; |
| 328 | } |
| 329 | |
| 330 | return 0; |
| 331 | } |
| 332 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 333 | static void jmicron_enable_mmc(struct sdhci_host *host, int on) |
| 334 | { |
| 335 | u8 scratch; |
| 336 | |
| 337 | scratch = readb(host->ioaddr + 0xC0); |
| 338 | |
| 339 | if (on) |
| 340 | scratch |= 0x01; |
| 341 | else |
| 342 | scratch &= ~0x01; |
| 343 | |
| 344 | writeb(scratch, host->ioaddr + 0xC0); |
| 345 | } |
| 346 | |
| 347 | static int jmicron_probe_slot(struct sdhci_pci_slot *slot) |
| 348 | { |
Pierre Ossman | 2134a92 | 2008-06-28 18:28:51 +0200 | [diff] [blame] | 349 | if (slot->chip->pdev->revision == 0) { |
| 350 | u16 version; |
| 351 | |
| 352 | version = readl(slot->host->ioaddr + SDHCI_HOST_VERSION); |
| 353 | version = (version & SDHCI_VENDOR_VER_MASK) >> |
| 354 | SDHCI_VENDOR_VER_SHIFT; |
| 355 | |
| 356 | /* |
| 357 | * Older versions of the chip have lots of nasty glitches |
| 358 | * in the ADMA engine. It's best just to avoid it |
| 359 | * completely. |
| 360 | */ |
| 361 | if (version < 0xAC) |
| 362 | slot->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; |
| 363 | } |
| 364 | |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 365 | /* JM388 MMC doesn't support 1.8V while SD supports it */ |
| 366 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { |
| 367 | slot->host->ocr_avail_sd = MMC_VDD_32_33 | MMC_VDD_33_34 | |
| 368 | MMC_VDD_29_30 | MMC_VDD_30_31 | |
| 369 | MMC_VDD_165_195; /* allow 1.8V */ |
| 370 | slot->host->ocr_avail_mmc = MMC_VDD_32_33 | MMC_VDD_33_34 | |
| 371 | MMC_VDD_29_30 | MMC_VDD_30_31; /* no 1.8V for MMC */ |
| 372 | } |
| 373 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 374 | /* |
| 375 | * The secondary interface requires a bit set to get the |
| 376 | * interrupts. |
| 377 | */ |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 378 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
| 379 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 380 | jmicron_enable_mmc(slot->host, 1); |
| 381 | |
Takashi Iwai | d75c108 | 2010-12-16 17:54:14 +0100 | [diff] [blame] | 382 | slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST; |
| 383 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 384 | return 0; |
| 385 | } |
| 386 | |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 387 | static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 388 | { |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 389 | if (dead) |
| 390 | return; |
| 391 | |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 392 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
| 393 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 394 | jmicron_enable_mmc(slot->host, 0); |
| 395 | } |
| 396 | |
| 397 | static int jmicron_suspend(struct sdhci_pci_chip *chip, pm_message_t state) |
| 398 | { |
| 399 | int i; |
| 400 | |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 401 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
| 402 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 403 | for (i = 0; i < chip->num_slots; i++) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 404 | jmicron_enable_mmc(chip->slots[i]->host, 0); |
| 405 | } |
| 406 | |
| 407 | return 0; |
| 408 | } |
| 409 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 410 | static int jmicron_resume(struct sdhci_pci_chip *chip) |
| 411 | { |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 412 | int ret, i; |
| 413 | |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 414 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
| 415 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 416 | for (i = 0; i < chip->num_slots; i++) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 417 | jmicron_enable_mmc(chip->slots[i]->host, 1); |
| 418 | } |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 419 | |
| 420 | ret = jmicron_pmos(chip, 1); |
| 421 | if (ret) { |
| 422 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); |
| 423 | return ret; |
| 424 | } |
| 425 | |
| 426 | return 0; |
| 427 | } |
| 428 | |
Jennifer Li | 26daa1e | 2010-11-17 23:01:59 -0500 | [diff] [blame] | 429 | static const struct sdhci_pci_fixes sdhci_o2 = { |
| 430 | .probe = o2_probe, |
| 431 | }; |
| 432 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 433 | static const struct sdhci_pci_fixes sdhci_jmicron = { |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 434 | .probe = jmicron_probe, |
| 435 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 436 | .probe_slot = jmicron_probe_slot, |
| 437 | .remove_slot = jmicron_remove_slot, |
| 438 | |
| 439 | .suspend = jmicron_suspend, |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 440 | .resume = jmicron_resume, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 441 | }; |
| 442 | |
Nicolas Pitre | a7a6186 | 2009-12-14 18:01:26 -0800 | [diff] [blame] | 443 | /* SysKonnect CardBus2SDIO extra registers */ |
| 444 | #define SYSKT_CTRL 0x200 |
| 445 | #define SYSKT_RDFIFO_STAT 0x204 |
| 446 | #define SYSKT_WRFIFO_STAT 0x208 |
| 447 | #define SYSKT_POWER_DATA 0x20c |
| 448 | #define SYSKT_POWER_330 0xef |
| 449 | #define SYSKT_POWER_300 0xf8 |
| 450 | #define SYSKT_POWER_184 0xcc |
| 451 | #define SYSKT_POWER_CMD 0x20d |
| 452 | #define SYSKT_POWER_START (1 << 7) |
| 453 | #define SYSKT_POWER_STATUS 0x20e |
| 454 | #define SYSKT_POWER_STATUS_OK (1 << 0) |
| 455 | #define SYSKT_BOARD_REV 0x210 |
| 456 | #define SYSKT_CHIP_REV 0x211 |
| 457 | #define SYSKT_CONF_DATA 0x212 |
| 458 | #define SYSKT_CONF_DATA_1V8 (1 << 2) |
| 459 | #define SYSKT_CONF_DATA_2V5 (1 << 1) |
| 460 | #define SYSKT_CONF_DATA_3V3 (1 << 0) |
| 461 | |
| 462 | static int syskt_probe(struct sdhci_pci_chip *chip) |
| 463 | { |
| 464 | if ((chip->pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { |
| 465 | chip->pdev->class &= ~0x0000FF; |
| 466 | chip->pdev->class |= PCI_SDHCI_IFDMA; |
| 467 | } |
| 468 | return 0; |
| 469 | } |
| 470 | |
| 471 | static int syskt_probe_slot(struct sdhci_pci_slot *slot) |
| 472 | { |
| 473 | int tm, ps; |
| 474 | |
| 475 | u8 board_rev = readb(slot->host->ioaddr + SYSKT_BOARD_REV); |
| 476 | u8 chip_rev = readb(slot->host->ioaddr + SYSKT_CHIP_REV); |
| 477 | dev_info(&slot->chip->pdev->dev, "SysKonnect CardBus2SDIO, " |
| 478 | "board rev %d.%d, chip rev %d.%d\n", |
| 479 | board_rev >> 4, board_rev & 0xf, |
| 480 | chip_rev >> 4, chip_rev & 0xf); |
| 481 | if (chip_rev >= 0x20) |
| 482 | slot->host->quirks |= SDHCI_QUIRK_FORCE_DMA; |
| 483 | |
| 484 | writeb(SYSKT_POWER_330, slot->host->ioaddr + SYSKT_POWER_DATA); |
| 485 | writeb(SYSKT_POWER_START, slot->host->ioaddr + SYSKT_POWER_CMD); |
| 486 | udelay(50); |
| 487 | tm = 10; /* Wait max 1 ms */ |
| 488 | do { |
| 489 | ps = readw(slot->host->ioaddr + SYSKT_POWER_STATUS); |
| 490 | if (ps & SYSKT_POWER_STATUS_OK) |
| 491 | break; |
| 492 | udelay(100); |
| 493 | } while (--tm); |
| 494 | if (!tm) { |
| 495 | dev_err(&slot->chip->pdev->dev, |
| 496 | "power regulator never stabilized"); |
| 497 | writeb(0, slot->host->ioaddr + SYSKT_POWER_CMD); |
| 498 | return -ENODEV; |
| 499 | } |
| 500 | |
| 501 | return 0; |
| 502 | } |
| 503 | |
| 504 | static const struct sdhci_pci_fixes sdhci_syskt = { |
| 505 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER, |
| 506 | .probe = syskt_probe, |
| 507 | .probe_slot = syskt_probe_slot, |
| 508 | }; |
| 509 | |
Harald Welte | 557b069 | 2009-06-18 16:53:38 +0200 | [diff] [blame] | 510 | static int via_probe(struct sdhci_pci_chip *chip) |
| 511 | { |
| 512 | if (chip->pdev->revision == 0x10) |
| 513 | chip->quirks |= SDHCI_QUIRK_DELAY_AFTER_POWER; |
| 514 | |
| 515 | return 0; |
| 516 | } |
| 517 | |
| 518 | static const struct sdhci_pci_fixes sdhci_via = { |
| 519 | .probe = via_probe, |
| 520 | }; |
| 521 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 522 | static const struct pci_device_id pci_ids[] __devinitdata = { |
| 523 | { |
| 524 | .vendor = PCI_VENDOR_ID_RICOH, |
| 525 | .device = PCI_DEVICE_ID_RICOH_R5C822, |
| 526 | .subvendor = PCI_ANY_ID, |
| 527 | .subdevice = PCI_ANY_ID, |
| 528 | .driver_data = (kernel_ulong_t)&sdhci_ricoh, |
| 529 | }, |
| 530 | |
| 531 | { |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 532 | .vendor = PCI_VENDOR_ID_RICOH, |
| 533 | .device = 0x843, |
| 534 | .subvendor = PCI_ANY_ID, |
| 535 | .subdevice = PCI_ANY_ID, |
| 536 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, |
| 537 | }, |
| 538 | |
| 539 | { |
Pablo Castillo | 568133e | 2010-08-10 18:02:01 -0700 | [diff] [blame] | 540 | .vendor = PCI_VENDOR_ID_RICOH, |
| 541 | .device = 0xe822, |
| 542 | .subvendor = PCI_ANY_ID, |
| 543 | .subdevice = PCI_ANY_ID, |
| 544 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, |
| 545 | }, |
| 546 | |
| 547 | { |
Manoj Iyer | 5fd11c0 | 2011-02-11 16:25:31 -0600 | [diff] [blame] | 548 | .vendor = PCI_VENDOR_ID_RICOH, |
| 549 | .device = 0xe823, |
| 550 | .subvendor = PCI_ANY_ID, |
| 551 | .subdevice = PCI_ANY_ID, |
| 552 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, |
| 553 | }, |
| 554 | |
| 555 | { |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 556 | .vendor = PCI_VENDOR_ID_ENE, |
| 557 | .device = PCI_DEVICE_ID_ENE_CB712_SD, |
| 558 | .subvendor = PCI_ANY_ID, |
| 559 | .subdevice = PCI_ANY_ID, |
| 560 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
| 561 | }, |
| 562 | |
| 563 | { |
| 564 | .vendor = PCI_VENDOR_ID_ENE, |
| 565 | .device = PCI_DEVICE_ID_ENE_CB712_SD_2, |
| 566 | .subvendor = PCI_ANY_ID, |
| 567 | .subdevice = PCI_ANY_ID, |
| 568 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
| 569 | }, |
| 570 | |
| 571 | { |
| 572 | .vendor = PCI_VENDOR_ID_ENE, |
| 573 | .device = PCI_DEVICE_ID_ENE_CB714_SD, |
| 574 | .subvendor = PCI_ANY_ID, |
| 575 | .subdevice = PCI_ANY_ID, |
| 576 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
| 577 | }, |
| 578 | |
| 579 | { |
| 580 | .vendor = PCI_VENDOR_ID_ENE, |
| 581 | .device = PCI_DEVICE_ID_ENE_CB714_SD_2, |
| 582 | .subvendor = PCI_ANY_ID, |
| 583 | .subdevice = PCI_ANY_ID, |
| 584 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
| 585 | }, |
| 586 | |
| 587 | { |
| 588 | .vendor = PCI_VENDOR_ID_MARVELL, |
David Woodhouse | 8c5eb88 | 2008-09-03 09:45:57 +0100 | [diff] [blame] | 589 | .device = PCI_DEVICE_ID_MARVELL_88ALP01_SD, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 590 | .subvendor = PCI_ANY_ID, |
| 591 | .subdevice = PCI_ANY_ID, |
| 592 | .driver_data = (kernel_ulong_t)&sdhci_cafe, |
| 593 | }, |
| 594 | |
| 595 | { |
| 596 | .vendor = PCI_VENDOR_ID_JMICRON, |
| 597 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_SD, |
| 598 | .subvendor = PCI_ANY_ID, |
| 599 | .subdevice = PCI_ANY_ID, |
| 600 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
| 601 | }, |
| 602 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 603 | { |
| 604 | .vendor = PCI_VENDOR_ID_JMICRON, |
| 605 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_MMC, |
| 606 | .subvendor = PCI_ANY_ID, |
| 607 | .subdevice = PCI_ANY_ID, |
| 608 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
| 609 | }, |
| 610 | |
Harald Welte | 557b069 | 2009-06-18 16:53:38 +0200 | [diff] [blame] | 611 | { |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 612 | .vendor = PCI_VENDOR_ID_JMICRON, |
| 613 | .device = PCI_DEVICE_ID_JMICRON_JMB388_SD, |
| 614 | .subvendor = PCI_ANY_ID, |
| 615 | .subdevice = PCI_ANY_ID, |
| 616 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
| 617 | }, |
| 618 | |
| 619 | { |
| 620 | .vendor = PCI_VENDOR_ID_JMICRON, |
| 621 | .device = PCI_DEVICE_ID_JMICRON_JMB388_ESD, |
| 622 | .subvendor = PCI_ANY_ID, |
| 623 | .subdevice = PCI_ANY_ID, |
| 624 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
| 625 | }, |
| 626 | |
| 627 | { |
Nicolas Pitre | a7a6186 | 2009-12-14 18:01:26 -0800 | [diff] [blame] | 628 | .vendor = PCI_VENDOR_ID_SYSKONNECT, |
| 629 | .device = 0x8000, |
| 630 | .subvendor = PCI_ANY_ID, |
| 631 | .subdevice = PCI_ANY_ID, |
| 632 | .driver_data = (kernel_ulong_t)&sdhci_syskt, |
| 633 | }, |
| 634 | |
| 635 | { |
Harald Welte | 557b069 | 2009-06-18 16:53:38 +0200 | [diff] [blame] | 636 | .vendor = PCI_VENDOR_ID_VIA, |
| 637 | .device = 0x95d0, |
| 638 | .subvendor = PCI_ANY_ID, |
| 639 | .subdevice = PCI_ANY_ID, |
| 640 | .driver_data = (kernel_ulong_t)&sdhci_via, |
| 641 | }, |
| 642 | |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 643 | { |
| 644 | .vendor = PCI_VENDOR_ID_INTEL, |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 645 | .device = PCI_DEVICE_ID_INTEL_MRST_SD0, |
| 646 | .subvendor = PCI_ANY_ID, |
| 647 | .subdevice = PCI_ANY_ID, |
| 648 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc0, |
| 649 | }, |
| 650 | |
| 651 | { |
| 652 | .vendor = PCI_VENDOR_ID_INTEL, |
| 653 | .device = PCI_DEVICE_ID_INTEL_MRST_SD1, |
| 654 | .subvendor = PCI_ANY_ID, |
| 655 | .subdevice = PCI_ANY_ID, |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 656 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, |
| 657 | }, |
| 658 | |
| 659 | { |
| 660 | .vendor = PCI_VENDOR_ID_INTEL, |
| 661 | .device = PCI_DEVICE_ID_INTEL_MRST_SD2, |
| 662 | .subvendor = PCI_ANY_ID, |
| 663 | .subdevice = PCI_ANY_ID, |
| 664 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 665 | }, |
| 666 | |
| 667 | { |
| 668 | .vendor = PCI_VENDOR_ID_INTEL, |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 669 | .device = PCI_DEVICE_ID_INTEL_MFD_SD, |
| 670 | .subvendor = PCI_ANY_ID, |
| 671 | .subdevice = PCI_ANY_ID, |
| 672 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, |
| 673 | }, |
| 674 | |
| 675 | { |
| 676 | .vendor = PCI_VENDOR_ID_INTEL, |
| 677 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO1, |
| 678 | .subvendor = PCI_ANY_ID, |
| 679 | .subdevice = PCI_ANY_ID, |
| 680 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc_sdio, |
| 681 | }, |
| 682 | |
| 683 | { |
| 684 | .vendor = PCI_VENDOR_ID_INTEL, |
| 685 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO2, |
| 686 | .subvendor = PCI_ANY_ID, |
| 687 | .subdevice = PCI_ANY_ID, |
| 688 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc_sdio, |
| 689 | }, |
| 690 | |
| 691 | { |
| 692 | .vendor = PCI_VENDOR_ID_INTEL, |
| 693 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC0, |
| 694 | .subvendor = PCI_ANY_ID, |
| 695 | .subdevice = PCI_ANY_ID, |
| 696 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc_sdio, |
| 697 | }, |
| 698 | |
| 699 | { |
| 700 | .vendor = PCI_VENDOR_ID_INTEL, |
| 701 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC1, |
| 702 | .subvendor = PCI_ANY_ID, |
| 703 | .subdevice = PCI_ANY_ID, |
| 704 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc_sdio, |
| 705 | }, |
| 706 | |
Jennifer Li | 26daa1e | 2010-11-17 23:01:59 -0500 | [diff] [blame] | 707 | { |
| 708 | .vendor = PCI_VENDOR_ID_O2, |
| 709 | .device = PCI_DEVICE_ID_O2_8120, |
| 710 | .subvendor = PCI_ANY_ID, |
| 711 | .subdevice = PCI_ANY_ID, |
| 712 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 713 | }, |
| 714 | |
| 715 | { |
| 716 | .vendor = PCI_VENDOR_ID_O2, |
| 717 | .device = PCI_DEVICE_ID_O2_8220, |
| 718 | .subvendor = PCI_ANY_ID, |
| 719 | .subdevice = PCI_ANY_ID, |
| 720 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 721 | }, |
| 722 | |
| 723 | { |
| 724 | .vendor = PCI_VENDOR_ID_O2, |
| 725 | .device = PCI_DEVICE_ID_O2_8221, |
| 726 | .subvendor = PCI_ANY_ID, |
| 727 | .subdevice = PCI_ANY_ID, |
| 728 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 729 | }, |
| 730 | |
| 731 | { |
| 732 | .vendor = PCI_VENDOR_ID_O2, |
| 733 | .device = PCI_DEVICE_ID_O2_8320, |
| 734 | .subvendor = PCI_ANY_ID, |
| 735 | .subdevice = PCI_ANY_ID, |
| 736 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 737 | }, |
| 738 | |
| 739 | { |
| 740 | .vendor = PCI_VENDOR_ID_O2, |
| 741 | .device = PCI_DEVICE_ID_O2_8321, |
| 742 | .subvendor = PCI_ANY_ID, |
| 743 | .subdevice = PCI_ANY_ID, |
| 744 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 745 | }, |
| 746 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 747 | { /* Generic SD host controller */ |
| 748 | PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00) |
| 749 | }, |
| 750 | |
| 751 | { /* end: all zeroes */ }, |
| 752 | }; |
| 753 | |
| 754 | MODULE_DEVICE_TABLE(pci, pci_ids); |
| 755 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 756 | /*****************************************************************************\ |
| 757 | * * |
| 758 | * SDHCI core callbacks * |
| 759 | * * |
| 760 | \*****************************************************************************/ |
| 761 | |
| 762 | static int sdhci_pci_enable_dma(struct sdhci_host *host) |
| 763 | { |
| 764 | struct sdhci_pci_slot *slot; |
| 765 | struct pci_dev *pdev; |
| 766 | int ret; |
| 767 | |
| 768 | slot = sdhci_priv(host); |
| 769 | pdev = slot->chip->pdev; |
| 770 | |
| 771 | if (((pdev->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI << 8)) && |
| 772 | ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) && |
Richard Röjfors | a13abc7 | 2009-09-22 16:45:30 -0700 | [diff] [blame] | 773 | (host->flags & SDHCI_USE_SDMA)) { |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 774 | dev_warn(&pdev->dev, "Will use DMA mode even though HW " |
| 775 | "doesn't fully claim to support it.\n"); |
| 776 | } |
| 777 | |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 778 | ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 779 | if (ret) |
| 780 | return ret; |
| 781 | |
| 782 | pci_set_master(pdev); |
| 783 | |
| 784 | return 0; |
| 785 | } |
| 786 | |
| 787 | static struct sdhci_ops sdhci_pci_ops = { |
| 788 | .enable_dma = sdhci_pci_enable_dma, |
| 789 | }; |
| 790 | |
| 791 | /*****************************************************************************\ |
| 792 | * * |
| 793 | * Suspend/resume * |
| 794 | * * |
| 795 | \*****************************************************************************/ |
| 796 | |
| 797 | #ifdef CONFIG_PM |
| 798 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 799 | static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 800 | { |
| 801 | struct sdhci_pci_chip *chip; |
| 802 | struct sdhci_pci_slot *slot; |
Daniel Drake | 5f61970 | 2010-11-04 22:20:39 +0000 | [diff] [blame] | 803 | mmc_pm_flag_t slot_pm_flags; |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 804 | mmc_pm_flag_t pm_flags = 0; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 805 | int i, ret; |
| 806 | |
| 807 | chip = pci_get_drvdata(pdev); |
| 808 | if (!chip) |
| 809 | return 0; |
| 810 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 811 | for (i = 0; i < chip->num_slots; i++) { |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 812 | slot = chip->slots[i]; |
| 813 | if (!slot) |
| 814 | continue; |
| 815 | |
| 816 | ret = sdhci_suspend_host(slot->host, state); |
| 817 | |
| 818 | if (ret) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 819 | for (i--; i >= 0; i--) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 820 | sdhci_resume_host(chip->slots[i]->host); |
| 821 | return ret; |
| 822 | } |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 823 | |
Daniel Drake | 5f61970 | 2010-11-04 22:20:39 +0000 | [diff] [blame] | 824 | slot_pm_flags = slot->host->mmc->pm_flags; |
| 825 | if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ) |
| 826 | sdhci_enable_irq_wakeups(slot->host); |
| 827 | |
| 828 | pm_flags |= slot_pm_flags; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 829 | } |
| 830 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 831 | if (chip->fixes && chip->fixes->suspend) { |
| 832 | ret = chip->fixes->suspend(chip, state); |
| 833 | if (ret) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 834 | for (i = chip->num_slots - 1; i >= 0; i--) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 835 | sdhci_resume_host(chip->slots[i]->host); |
| 836 | return ret; |
| 837 | } |
| 838 | } |
| 839 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 840 | pci_save_state(pdev); |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 841 | if (pm_flags & MMC_PM_KEEP_POWER) { |
Daniel Drake | 5f61970 | 2010-11-04 22:20:39 +0000 | [diff] [blame] | 842 | if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) { |
| 843 | pci_pme_active(pdev, true); |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 844 | pci_enable_wake(pdev, PCI_D3hot, 1); |
Daniel Drake | 5f61970 | 2010-11-04 22:20:39 +0000 | [diff] [blame] | 845 | } |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 846 | pci_set_power_state(pdev, PCI_D3hot); |
| 847 | } else { |
| 848 | pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); |
| 849 | pci_disable_device(pdev); |
| 850 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 851 | } |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 852 | |
| 853 | return 0; |
| 854 | } |
| 855 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 856 | static int sdhci_pci_resume(struct pci_dev *pdev) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 857 | { |
| 858 | struct sdhci_pci_chip *chip; |
| 859 | struct sdhci_pci_slot *slot; |
| 860 | int i, ret; |
| 861 | |
| 862 | chip = pci_get_drvdata(pdev); |
| 863 | if (!chip) |
| 864 | return 0; |
| 865 | |
| 866 | pci_set_power_state(pdev, PCI_D0); |
| 867 | pci_restore_state(pdev); |
| 868 | ret = pci_enable_device(pdev); |
| 869 | if (ret) |
| 870 | return ret; |
| 871 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 872 | if (chip->fixes && chip->fixes->resume) { |
| 873 | ret = chip->fixes->resume(chip); |
| 874 | if (ret) |
| 875 | return ret; |
| 876 | } |
| 877 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 878 | for (i = 0; i < chip->num_slots; i++) { |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 879 | slot = chip->slots[i]; |
| 880 | if (!slot) |
| 881 | continue; |
| 882 | |
| 883 | ret = sdhci_resume_host(slot->host); |
| 884 | if (ret) |
| 885 | return ret; |
| 886 | } |
| 887 | |
| 888 | return 0; |
| 889 | } |
| 890 | |
| 891 | #else /* CONFIG_PM */ |
| 892 | |
| 893 | #define sdhci_pci_suspend NULL |
| 894 | #define sdhci_pci_resume NULL |
| 895 | |
| 896 | #endif /* CONFIG_PM */ |
| 897 | |
| 898 | /*****************************************************************************\ |
| 899 | * * |
| 900 | * Device probing/removal * |
| 901 | * * |
| 902 | \*****************************************************************************/ |
| 903 | |
| 904 | static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( |
| 905 | struct pci_dev *pdev, struct sdhci_pci_chip *chip, int bar) |
| 906 | { |
| 907 | struct sdhci_pci_slot *slot; |
| 908 | struct sdhci_host *host; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 909 | int ret; |
| 910 | |
| 911 | if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) { |
| 912 | dev_err(&pdev->dev, "BAR %d is not iomem. Aborting.\n", bar); |
| 913 | return ERR_PTR(-ENODEV); |
| 914 | } |
| 915 | |
| 916 | if (pci_resource_len(pdev, bar) != 0x100) { |
| 917 | dev_err(&pdev->dev, "Invalid iomem size. You may " |
| 918 | "experience problems.\n"); |
| 919 | } |
| 920 | |
| 921 | if ((pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { |
| 922 | dev_err(&pdev->dev, "Vendor specific interface. Aborting.\n"); |
| 923 | return ERR_PTR(-ENODEV); |
| 924 | } |
| 925 | |
| 926 | if ((pdev->class & 0x0000FF) > PCI_SDHCI_IFVENDOR) { |
| 927 | dev_err(&pdev->dev, "Unknown interface. Aborting.\n"); |
| 928 | return ERR_PTR(-ENODEV); |
| 929 | } |
| 930 | |
| 931 | host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot)); |
| 932 | if (IS_ERR(host)) { |
Dan Carpenter | c60a32c | 2009-04-10 23:31:10 +0200 | [diff] [blame] | 933 | dev_err(&pdev->dev, "cannot allocate host\n"); |
Julia Lawall | dc0fd7b | 2010-05-26 14:42:11 -0700 | [diff] [blame] | 934 | return ERR_CAST(host); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 935 | } |
| 936 | |
| 937 | slot = sdhci_priv(host); |
| 938 | |
| 939 | slot->chip = chip; |
| 940 | slot->host = host; |
| 941 | slot->pci_bar = bar; |
| 942 | |
| 943 | host->hw_name = "PCI"; |
| 944 | host->ops = &sdhci_pci_ops; |
| 945 | host->quirks = chip->quirks; |
| 946 | |
| 947 | host->irq = pdev->irq; |
| 948 | |
| 949 | ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc)); |
| 950 | if (ret) { |
| 951 | dev_err(&pdev->dev, "cannot request region\n"); |
Dan Carpenter | c60a32c | 2009-04-10 23:31:10 +0200 | [diff] [blame] | 952 | goto free; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 953 | } |
| 954 | |
Arjan van de Ven | 092f82e | 2008-09-28 16:15:56 -0700 | [diff] [blame] | 955 | host->ioaddr = pci_ioremap_bar(pdev, bar); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 956 | if (!host->ioaddr) { |
| 957 | dev_err(&pdev->dev, "failed to remap registers\n"); |
Chris Ball | 9fdcdbb | 2011-03-29 00:46:12 -0400 | [diff] [blame] | 958 | ret = -ENOMEM; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 959 | goto release; |
| 960 | } |
| 961 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 962 | if (chip->fixes && chip->fixes->probe_slot) { |
| 963 | ret = chip->fixes->probe_slot(slot); |
| 964 | if (ret) |
| 965 | goto unmap; |
| 966 | } |
| 967 | |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 968 | host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ; |
| 969 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 970 | ret = sdhci_add_host(host); |
| 971 | if (ret) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 972 | goto remove; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 973 | |
| 974 | return slot; |
| 975 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 976 | remove: |
| 977 | if (chip->fixes && chip->fixes->remove_slot) |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 978 | chip->fixes->remove_slot(slot, 0); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 979 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 980 | unmap: |
| 981 | iounmap(host->ioaddr); |
| 982 | |
| 983 | release: |
| 984 | pci_release_region(pdev, bar); |
Dan Carpenter | c60a32c | 2009-04-10 23:31:10 +0200 | [diff] [blame] | 985 | |
| 986 | free: |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 987 | sdhci_free_host(host); |
| 988 | |
| 989 | return ERR_PTR(ret); |
| 990 | } |
| 991 | |
| 992 | static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot) |
| 993 | { |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 994 | int dead; |
| 995 | u32 scratch; |
| 996 | |
| 997 | dead = 0; |
| 998 | scratch = readl(slot->host->ioaddr + SDHCI_INT_STATUS); |
| 999 | if (scratch == (u32)-1) |
| 1000 | dead = 1; |
| 1001 | |
| 1002 | sdhci_remove_host(slot->host, dead); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1003 | |
| 1004 | if (slot->chip->fixes && slot->chip->fixes->remove_slot) |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 1005 | slot->chip->fixes->remove_slot(slot, dead); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1006 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1007 | pci_release_region(slot->chip->pdev, slot->pci_bar); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1008 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1009 | sdhci_free_host(slot->host); |
| 1010 | } |
| 1011 | |
| 1012 | static int __devinit sdhci_pci_probe(struct pci_dev *pdev, |
| 1013 | const struct pci_device_id *ent) |
| 1014 | { |
| 1015 | struct sdhci_pci_chip *chip; |
| 1016 | struct sdhci_pci_slot *slot; |
| 1017 | |
Sergei Shtylyov | cf5e23e | 2011-03-17 16:46:17 -0400 | [diff] [blame] | 1018 | u8 slots, first_bar; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1019 | int ret, i; |
| 1020 | |
| 1021 | BUG_ON(pdev == NULL); |
| 1022 | BUG_ON(ent == NULL); |
| 1023 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1024 | dev_info(&pdev->dev, "SDHCI controller found [%04x:%04x] (rev %x)\n", |
Sergei Shtylyov | cf5e23e | 2011-03-17 16:46:17 -0400 | [diff] [blame] | 1025 | (int)pdev->vendor, (int)pdev->device, (int)pdev->revision); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1026 | |
| 1027 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots); |
| 1028 | if (ret) |
| 1029 | return ret; |
| 1030 | |
| 1031 | slots = PCI_SLOT_INFO_SLOTS(slots) + 1; |
| 1032 | dev_dbg(&pdev->dev, "found %d slot(s)\n", slots); |
| 1033 | if (slots == 0) |
| 1034 | return -ENODEV; |
| 1035 | |
| 1036 | BUG_ON(slots > MAX_SLOTS); |
| 1037 | |
| 1038 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar); |
| 1039 | if (ret) |
| 1040 | return ret; |
| 1041 | |
| 1042 | first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK; |
| 1043 | |
| 1044 | if (first_bar > 5) { |
| 1045 | dev_err(&pdev->dev, "Invalid first BAR. Aborting.\n"); |
| 1046 | return -ENODEV; |
| 1047 | } |
| 1048 | |
| 1049 | ret = pci_enable_device(pdev); |
| 1050 | if (ret) |
| 1051 | return ret; |
| 1052 | |
| 1053 | chip = kzalloc(sizeof(struct sdhci_pci_chip), GFP_KERNEL); |
| 1054 | if (!chip) { |
| 1055 | ret = -ENOMEM; |
| 1056 | goto err; |
| 1057 | } |
| 1058 | |
| 1059 | chip->pdev = pdev; |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 1060 | chip->fixes = (const struct sdhci_pci_fixes *)ent->driver_data; |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 1061 | if (chip->fixes) |
| 1062 | chip->quirks = chip->fixes->quirks; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1063 | chip->num_slots = slots; |
| 1064 | |
| 1065 | pci_set_drvdata(pdev, chip); |
| 1066 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 1067 | if (chip->fixes && chip->fixes->probe) { |
| 1068 | ret = chip->fixes->probe(chip); |
| 1069 | if (ret) |
| 1070 | goto free; |
| 1071 | } |
| 1072 | |
Alan Cox | 225d85f | 2010-10-04 15:24:21 +0100 | [diff] [blame] | 1073 | slots = chip->num_slots; /* Quirk may have changed this */ |
| 1074 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 1075 | for (i = 0; i < slots; i++) { |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1076 | slot = sdhci_pci_probe_slot(pdev, chip, first_bar + i); |
| 1077 | if (IS_ERR(slot)) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 1078 | for (i--; i >= 0; i--) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1079 | sdhci_pci_remove_slot(chip->slots[i]); |
| 1080 | ret = PTR_ERR(slot); |
| 1081 | goto free; |
| 1082 | } |
| 1083 | |
| 1084 | chip->slots[i] = slot; |
| 1085 | } |
| 1086 | |
| 1087 | return 0; |
| 1088 | |
| 1089 | free: |
| 1090 | pci_set_drvdata(pdev, NULL); |
| 1091 | kfree(chip); |
| 1092 | |
| 1093 | err: |
| 1094 | pci_disable_device(pdev); |
| 1095 | return ret; |
| 1096 | } |
| 1097 | |
| 1098 | static void __devexit sdhci_pci_remove(struct pci_dev *pdev) |
| 1099 | { |
| 1100 | int i; |
| 1101 | struct sdhci_pci_chip *chip; |
| 1102 | |
| 1103 | chip = pci_get_drvdata(pdev); |
| 1104 | |
| 1105 | if (chip) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 1106 | for (i = 0; i < chip->num_slots; i++) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1107 | sdhci_pci_remove_slot(chip->slots[i]); |
| 1108 | |
| 1109 | pci_set_drvdata(pdev, NULL); |
| 1110 | kfree(chip); |
| 1111 | } |
| 1112 | |
| 1113 | pci_disable_device(pdev); |
| 1114 | } |
| 1115 | |
| 1116 | static struct pci_driver sdhci_driver = { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 1117 | .name = "sdhci-pci", |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1118 | .id_table = pci_ids, |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame^] | 1119 | .probe = sdhci_pci_probe, |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1120 | .remove = __devexit_p(sdhci_pci_remove), |
| 1121 | .suspend = sdhci_pci_suspend, |
| 1122 | .resume = sdhci_pci_resume, |
| 1123 | }; |
| 1124 | |
| 1125 | /*****************************************************************************\ |
| 1126 | * * |
| 1127 | * Driver init/exit * |
| 1128 | * * |
| 1129 | \*****************************************************************************/ |
| 1130 | |
| 1131 | static int __init sdhci_drv_init(void) |
| 1132 | { |
| 1133 | return pci_register_driver(&sdhci_driver); |
| 1134 | } |
| 1135 | |
| 1136 | static void __exit sdhci_drv_exit(void) |
| 1137 | { |
| 1138 | pci_unregister_driver(&sdhci_driver); |
| 1139 | } |
| 1140 | |
| 1141 | module_init(sdhci_drv_init); |
| 1142 | module_exit(sdhci_drv_exit); |
| 1143 | |
Pierre Ossman | 32710e8 | 2009-04-08 20:14:54 +0200 | [diff] [blame] | 1144 | MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>"); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1145 | MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver"); |
| 1146 | MODULE_LICENSE("GPL"); |