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> |
Paul Gortmaker | 88b4767 | 2011-07-03 15:15:51 -0400 | [diff] [blame] | 17 | #include <linux/module.h> |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 18 | #include <linux/pci.h> |
| 19 | #include <linux/dma-mapping.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 20 | #include <linux/slab.h> |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 21 | #include <linux/device.h> |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 22 | #include <linux/mmc/host.h> |
Adrian Hunter | e1bfad6 | 2015-02-06 14:13:00 +0200 | [diff] [blame] | 23 | #include <linux/mmc/mmc.h> |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 24 | #include <linux/scatterlist.h> |
| 25 | #include <linux/io.h> |
Adrian Hunter | 0f20165 | 2011-08-29 16:42:13 +0300 | [diff] [blame] | 26 | #include <linux/gpio.h> |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 27 | #include <linux/pm_runtime.h> |
Adrian Hunter | ff59c52 | 2014-09-24 10:27:31 +0300 | [diff] [blame] | 28 | #include <linux/mmc/slot-gpio.h> |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 29 | #include <linux/mmc/sdhci-pci-data.h> |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 30 | |
| 31 | #include "sdhci.h" |
Adam Lee | 522624f | 2013-12-18 22:23:38 +0800 | [diff] [blame] | 32 | #include "sdhci-pci.h" |
Adam Lee | 01acf69 | 2013-12-19 00:01:26 +0800 | [diff] [blame] | 33 | #include "sdhci-pci-o2micro.h" |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 34 | |
| 35 | /*****************************************************************************\ |
| 36 | * * |
| 37 | * Hardware specific quirk handling * |
| 38 | * * |
| 39 | \*****************************************************************************/ |
| 40 | |
| 41 | static int ricoh_probe(struct sdhci_pci_chip *chip) |
| 42 | { |
Chris Ball | c99436f | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 43 | if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG || |
| 44 | chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY) |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 45 | chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET; |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 46 | return 0; |
| 47 | } |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 48 | |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 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) | |
| 54 | |
| 55 | ((0x21 << SDHCI_CLOCK_BASE_SHIFT) |
| 56 | & SDHCI_CLOCK_BASE_MASK) | |
| 57 | |
| 58 | SDHCI_TIMEOUT_CLK_UNIT | |
| 59 | SDHCI_CAN_VDD_330 | |
Madhvapathi Sriram | 1a1f1f0 | 2012-10-15 04:47:30 +0000 | [diff] [blame] | 60 | SDHCI_CAN_DO_HISPD | |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 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); |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 71 | return 0; |
| 72 | } |
| 73 | |
| 74 | static const struct sdhci_pci_fixes sdhci_ricoh = { |
| 75 | .probe = ricoh_probe, |
Vasily Khoruzhick | 8493829 | 2010-03-05 13:43:46 -0800 | [diff] [blame] | 76 | .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | |
| 77 | SDHCI_QUIRK_FORCE_DMA | |
| 78 | SDHCI_QUIRK_CLOCK_BEFORE_RESET, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 79 | }; |
| 80 | |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 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 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 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 | |
Andres Salomon | a087489 | 2009-03-02 21:48:20 +0100 | [diff] [blame] | 103 | SDHCI_QUIRK_NO_BUSY_IRQ | |
Daniel Drake | 55fc05b | 2012-07-03 23:13:39 +0100 | [diff] [blame] | 104 | SDHCI_QUIRK_BROKEN_CARD_DETECTION | |
Pierre Ossman | ee53ab5 | 2008-07-05 00:25:15 +0200 | [diff] [blame] | 105 | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 106 | }; |
| 107 | |
Derek Browne | 43e968c | 2014-06-24 06:56:36 -0700 | [diff] [blame] | 108 | static const struct sdhci_pci_fixes sdhci_intel_qrk = { |
| 109 | .quirks = SDHCI_QUIRK_NO_HISPD_BIT, |
| 110 | }; |
| 111 | |
Major Lee | 68077b0 | 2011-06-29 14:23:46 +0300 | [diff] [blame] | 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 | |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 118 | /* |
| 119 | * ADMA operation is disabled for Moorestown platform due to |
| 120 | * hardware bugs. |
| 121 | */ |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 122 | static int mrst_hc_probe(struct sdhci_pci_chip *chip) |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 123 | { |
| 124 | /* |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 125 | * slots number is fixed here for MRST as SDIO3/5 are never used and |
| 126 | * have hardware bugs. |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 127 | */ |
| 128 | chip->num_slots = 1; |
| 129 | return 0; |
| 130 | } |
| 131 | |
Alexander Stein | 296e0b0 | 2012-03-14 08:38:58 +0100 | [diff] [blame] | 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 | |
Rafael J. Wysocki | 162d6f9 | 2014-12-05 03:05:33 +0100 | [diff] [blame] | 138 | #ifdef CONFIG_PM |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 139 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 140 | static irqreturn_t sdhci_pci_sd_cd(int irq, void *dev_id) |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 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 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 149 | static void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot) |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 150 | { |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 151 | int err, irq, gpio = slot->cd_gpio; |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 152 | |
| 153 | slot->cd_gpio = -EINVAL; |
| 154 | slot->cd_irq = -EINVAL; |
| 155 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 156 | if (!gpio_is_valid(gpio)) |
| 157 | return; |
| 158 | |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 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 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 171 | err = request_irq(irq, sdhci_pci_sd_cd, IRQF_TRIGGER_RISING | |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 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; |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 178 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 179 | return; |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 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"); |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 185 | } |
| 186 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 187 | static void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot) |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 188 | { |
| 189 | if (slot->cd_irq >= 0) |
| 190 | free_irq(slot->cd_irq, slot); |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 191 | if (gpio_is_valid(slot->cd_gpio)) |
| 192 | gpio_free(slot->cd_gpio); |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 193 | } |
| 194 | |
| 195 | #else |
| 196 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 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 | } |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 204 | |
| 205 | #endif |
| 206 | |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 207 | static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot) |
| 208 | { |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 209 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE; |
Adrian Hunter | da721cf | 2012-02-07 14:48:53 +0200 | [diff] [blame] | 210 | slot->host->mmc->caps2 |= MMC_CAP2_BOOTPART_NOACC | |
| 211 | MMC_CAP2_HC_ERASE_SZ; |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 212 | return 0; |
| 213 | } |
| 214 | |
Adrian Hunter | 9393350 | 2011-12-27 15:48:47 +0200 | [diff] [blame] | 215 | static int mfd_sdio_probe_slot(struct sdhci_pci_slot *slot) |
| 216 | { |
Adrian Hunter | 012e467 | 2012-01-30 14:27:18 +0200 | [diff] [blame] | 217 | slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE; |
Adrian Hunter | 9393350 | 2011-12-27 15:48:47 +0200 | [diff] [blame] | 218 | return 0; |
| 219 | } |
| 220 | |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 221 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = { |
| 222 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, |
Major Lee | 68077b0 | 2011-06-29 14:23:46 +0300 | [diff] [blame] | 223 | .probe_slot = mrst_hc_probe_slot, |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 224 | }; |
| 225 | |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 226 | static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = { |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 227 | .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 228 | .probe = mrst_hc_probe, |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 229 | }; |
| 230 | |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 231 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = { |
| 232 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
Adrian Hunter | c43fd77 | 2011-10-17 10:52:44 +0300 | [diff] [blame] | 233 | .allow_runtime_pm = true, |
Adrian Hunter | 77a0122 | 2014-01-13 09:49:16 +0200 | [diff] [blame] | 234 | .own_cd_for_runtime_pm = true, |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 235 | }; |
| 236 | |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 237 | static const struct sdhci_pci_fixes sdhci_intel_mfd_sdio = { |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 238 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
Adrian Hunter | f3c55a7 | 2012-02-07 14:48:55 +0200 | [diff] [blame] | 239 | .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON, |
Adrian Hunter | c43fd77 | 2011-10-17 10:52:44 +0300 | [diff] [blame] | 240 | .allow_runtime_pm = true, |
Adrian Hunter | 9393350 | 2011-12-27 15:48:47 +0200 | [diff] [blame] | 241 | .probe_slot = mfd_sdio_probe_slot, |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 242 | }; |
| 243 | |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 244 | static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc = { |
| 245 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
Adrian Hunter | c43fd77 | 2011-10-17 10:52:44 +0300 | [diff] [blame] | 246 | .allow_runtime_pm = true, |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 247 | .probe_slot = mfd_emmc_probe_slot, |
| 248 | }; |
| 249 | |
Alexander Stein | 296e0b0 | 2012-03-14 08:38:58 +0100 | [diff] [blame] | 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 | |
Adrian Hunter | c9faff6 | 2013-06-13 11:50:26 +0300 | [diff] [blame] | 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 | |
Adrian Hunter | e1bfad6 | 2015-02-06 14:13:00 +0200 | [diff] [blame] | 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 |
Adrian Hunter | 1ca8968 | 2015-11-26 14:00:45 +0200 | [diff] [blame] | 280 | drive_strength = 0; /* Default 50-ohm */ |
Adrian Hunter | e1bfad6 | 2015-02-06 14:13:00 +0200 | [diff] [blame] | 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 | |
Adrian Hunter | 163cbe3 | 2016-02-09 16:12:37 +0200 | [diff] [blame] | 333 | static int bxt_get_cd(struct mmc_host *mmc) |
| 334 | { |
| 335 | int gpio_cd = mmc_gpio_get_cd(mmc); |
| 336 | struct sdhci_host *host = mmc_priv(mmc); |
| 337 | unsigned long flags; |
| 338 | int ret = 0; |
| 339 | |
| 340 | if (!gpio_cd) |
| 341 | return 0; |
| 342 | |
| 343 | pm_runtime_get_sync(mmc->parent); |
| 344 | |
| 345 | spin_lock_irqsave(&host->lock, flags); |
| 346 | |
| 347 | if (host->flags & SDHCI_DEVICE_DEAD) |
| 348 | goto out; |
| 349 | |
| 350 | ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT); |
| 351 | out: |
| 352 | spin_unlock_irqrestore(&host->lock, flags); |
| 353 | |
| 354 | pm_runtime_mark_last_busy(mmc->parent); |
| 355 | pm_runtime_put_autosuspend(mmc->parent); |
| 356 | |
| 357 | return ret; |
| 358 | } |
| 359 | |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 360 | static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) |
| 361 | { |
Adrian Hunter | c9faff6 | 2013-06-13 11:50:26 +0300 | [diff] [blame] | 362 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | |
Adrian Hunter | 6aab23a | 2014-12-01 15:51:18 +0200 | [diff] [blame] | 363 | MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR | |
| 364 | MMC_CAP_BUS_WIDTH_TEST | |
| 365 | MMC_CAP_WAIT_WHILE_BUSY; |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 366 | slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; |
Adrian Hunter | c9faff6 | 2013-06-13 11:50:26 +0300 | [diff] [blame] | 367 | slot->hw_reset = sdhci_pci_int_hw_reset; |
Adrian Hunter | a06586b | 2014-09-24 10:27:33 +0300 | [diff] [blame] | 368 | if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BSW_EMMC) |
| 369 | slot->host->timeout_clk = 1000; /* 1000 kHz i.e. 1 MHz */ |
Adrian Hunter | e1bfad6 | 2015-02-06 14:13:00 +0200 | [diff] [blame] | 370 | if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_SPT_EMMC) { |
| 371 | spt_read_drive_strength(slot->host); |
| 372 | slot->select_drive_strength = spt_select_drive_strength; |
| 373 | } |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 374 | return 0; |
| 375 | } |
| 376 | |
| 377 | static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) |
| 378 | { |
Adrian Hunter | 6aab23a | 2014-12-01 15:51:18 +0200 | [diff] [blame] | 379 | slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE | |
| 380 | MMC_CAP_BUS_WIDTH_TEST | |
| 381 | MMC_CAP_WAIT_WHILE_BUSY; |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 382 | return 0; |
| 383 | } |
| 384 | |
Adrian Hunter | ff59c52 | 2014-09-24 10:27:31 +0300 | [diff] [blame] | 385 | static int byt_sd_probe_slot(struct sdhci_pci_slot *slot) |
| 386 | { |
Adrian Hunter | 6aab23a | 2014-12-01 15:51:18 +0200 | [diff] [blame] | 387 | slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST | |
| 388 | MMC_CAP_WAIT_WHILE_BUSY; |
Adrian Hunter | ff59c52 | 2014-09-24 10:27:31 +0300 | [diff] [blame] | 389 | slot->cd_con_id = NULL; |
| 390 | slot->cd_idx = 0; |
| 391 | slot->cd_override_level = true; |
Adrian Hunter | 163cbe3 | 2016-02-09 16:12:37 +0200 | [diff] [blame] | 392 | if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXT_SD || |
Adrian Hunter | 01d6b2a | 2016-04-04 12:40:37 +0300 | [diff] [blame] | 393 | slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXTM_SD || |
Adrian Hunter | 163cbe3 | 2016-02-09 16:12:37 +0200 | [diff] [blame] | 394 | slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_APL_SD) |
| 395 | slot->host->mmc_host_ops.get_cd = bxt_get_cd; |
| 396 | |
Adrian Hunter | ff59c52 | 2014-09-24 10:27:31 +0300 | [diff] [blame] | 397 | return 0; |
| 398 | } |
| 399 | |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 400 | static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = { |
| 401 | .allow_runtime_pm = true, |
| 402 | .probe_slot = byt_emmc_probe_slot, |
Adrian Hunter | db6e8cd | 2014-12-01 15:51:16 +0200 | [diff] [blame] | 403 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
Adrian Hunter | e58e4a0 | 2014-09-24 10:27:30 +0300 | [diff] [blame] | 404 | .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | |
Adrian Hunter | b69587e | 2015-02-06 14:13:01 +0200 | [diff] [blame] | 405 | SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400 | |
Adrian Hunter | e58e4a0 | 2014-09-24 10:27:30 +0300 | [diff] [blame] | 406 | SDHCI_QUIRK2_STOP_WITH_TC, |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 407 | }; |
| 408 | |
| 409 | static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = { |
Adrian Hunter | db6e8cd | 2014-12-01 15:51:16 +0200 | [diff] [blame] | 410 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
Gao, Yunpeng | b7574ba | 2014-09-04 15:18:05 +0800 | [diff] [blame] | 411 | .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON | |
| 412 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN, |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 413 | .allow_runtime_pm = true, |
| 414 | .probe_slot = byt_sdio_probe_slot, |
| 415 | }; |
| 416 | |
| 417 | static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { |
Adrian Hunter | db6e8cd | 2014-12-01 15:51:16 +0200 | [diff] [blame] | 418 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
Gao, Yunpeng | b7574ba | 2014-09-04 15:18:05 +0800 | [diff] [blame] | 419 | .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON | |
Adrian Hunter | e58e4a0 | 2014-09-24 10:27:30 +0300 | [diff] [blame] | 420 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN | |
| 421 | SDHCI_QUIRK2_STOP_WITH_TC, |
Adrian Hunter | 7396e31 | 2013-05-06 12:17:34 +0300 | [diff] [blame] | 422 | .allow_runtime_pm = true, |
Adrian Hunter | 77a0122 | 2014-01-13 09:49:16 +0200 | [diff] [blame] | 423 | .own_cd_for_runtime_pm = true, |
Adrian Hunter | ff59c52 | 2014-09-24 10:27:31 +0300 | [diff] [blame] | 424 | .probe_slot = byt_sd_probe_slot, |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 425 | }; |
| 426 | |
David Cohen | 8776a16 | 2013-10-01 13:18:15 -0700 | [diff] [blame] | 427 | /* Define Host controllers for Intel Merrifield platform */ |
| 428 | #define INTEL_MRFL_EMMC_0 0 |
| 429 | #define INTEL_MRFL_EMMC_1 1 |
| 430 | |
| 431 | static int intel_mrfl_mmc_probe_slot(struct sdhci_pci_slot *slot) |
| 432 | { |
| 433 | if ((PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_0) && |
| 434 | (PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_1)) |
| 435 | /* SD support is not ready yet */ |
| 436 | return -ENODEV; |
| 437 | |
| 438 | slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | |
| 439 | MMC_CAP_1_8V_DDR; |
| 440 | |
| 441 | return 0; |
| 442 | } |
| 443 | |
| 444 | static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = { |
| 445 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
Gao, Yunpeng | b7574ba | 2014-09-04 15:18:05 +0800 | [diff] [blame] | 446 | .quirks2 = SDHCI_QUIRK2_BROKEN_HS200 | |
| 447 | SDHCI_QUIRK2_PRESET_VALUE_BROKEN, |
Gao, Yunpeng | f1b55a5 | 2014-08-18 15:05:52 +0800 | [diff] [blame] | 448 | .allow_runtime_pm = true, |
David Cohen | 8776a16 | 2013-10-01 13:18:15 -0700 | [diff] [blame] | 449 | .probe_slot = intel_mrfl_mmc_probe_slot, |
| 450 | }; |
| 451 | |
Jennifer Li | 26daa1e | 2010-11-17 23:01:59 -0500 | [diff] [blame] | 452 | /* O2Micro extra registers */ |
| 453 | #define O2_SD_LOCK_WP 0xD3 |
| 454 | #define O2_SD_MULTI_VCC3V 0xEE |
| 455 | #define O2_SD_CLKREQ 0xEC |
| 456 | #define O2_SD_CAPS 0xE0 |
| 457 | #define O2_SD_ADMA1 0xE2 |
| 458 | #define O2_SD_ADMA2 0xE7 |
| 459 | #define O2_SD_INF_MOD 0xF1 |
| 460 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 461 | static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) |
| 462 | { |
| 463 | u8 scratch; |
| 464 | int ret; |
| 465 | |
| 466 | ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch); |
| 467 | if (ret) |
| 468 | return ret; |
| 469 | |
| 470 | /* |
| 471 | * Turn PMOS on [bit 0], set over current detection to 2.4 V |
| 472 | * [bit 1:2] and enable over current debouncing [bit 6]. |
| 473 | */ |
| 474 | if (on) |
| 475 | scratch |= 0x47; |
| 476 | else |
| 477 | scratch &= ~0x47; |
| 478 | |
kbuild test robot | 7582041 | 2015-10-06 04:01:04 +0800 | [diff] [blame] | 479 | return pci_write_config_byte(chip->pdev, 0xAE, scratch); |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 480 | } |
| 481 | |
| 482 | static int jmicron_probe(struct sdhci_pci_chip *chip) |
| 483 | { |
| 484 | int ret; |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 485 | u16 mmcdev = 0; |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 486 | |
Pierre Ossman | 93fc48c | 2008-06-28 18:21:41 +0200 | [diff] [blame] | 487 | if (chip->pdev->revision == 0) { |
| 488 | chip->quirks |= SDHCI_QUIRK_32BIT_DMA_ADDR | |
| 489 | SDHCI_QUIRK_32BIT_DMA_SIZE | |
Pierre Ossman | 2134a92 | 2008-06-28 18:28:51 +0200 | [diff] [blame] | 490 | SDHCI_QUIRK_32BIT_ADMA_SIZE | |
Pierre Ossman | 4a3cba3 | 2008-07-29 00:11:16 +0200 | [diff] [blame] | 491 | SDHCI_QUIRK_RESET_AFTER_REQUEST | |
Pierre Ossman | 86a6a87 | 2009-02-02 21:13:49 +0100 | [diff] [blame] | 492 | SDHCI_QUIRK_BROKEN_SMALL_PIO; |
Pierre Ossman | 93fc48c | 2008-06-28 18:21:41 +0200 | [diff] [blame] | 493 | } |
| 494 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 495 | /* |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 496 | * JMicron chips can have two interfaces to the same hardware |
| 497 | * in order to work around limitations in Microsoft's driver. |
| 498 | * We need to make sure we only bind to one of them. |
| 499 | * |
| 500 | * This code assumes two things: |
| 501 | * |
| 502 | * 1. The PCI code adds subfunctions in order. |
| 503 | * |
| 504 | * 2. The MMC interface has a lower subfunction number |
| 505 | * than the SD interface. |
| 506 | */ |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 507 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_SD) |
| 508 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB38X_MMC; |
| 509 | else if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD) |
| 510 | mmcdev = PCI_DEVICE_ID_JMICRON_JMB388_ESD; |
| 511 | |
| 512 | if (mmcdev) { |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 513 | struct pci_dev *sd_dev; |
| 514 | |
| 515 | sd_dev = NULL; |
| 516 | while ((sd_dev = pci_get_device(PCI_VENDOR_ID_JMICRON, |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 517 | mmcdev, sd_dev)) != NULL) { |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 518 | if ((PCI_SLOT(chip->pdev->devfn) == |
| 519 | PCI_SLOT(sd_dev->devfn)) && |
| 520 | (chip->pdev->bus == sd_dev->bus)) |
| 521 | break; |
| 522 | } |
| 523 | |
| 524 | if (sd_dev) { |
| 525 | pci_dev_put(sd_dev); |
| 526 | dev_info(&chip->pdev->dev, "Refusing to bind to " |
| 527 | "secondary interface.\n"); |
| 528 | return -ENODEV; |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | /* |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 533 | * JMicron chips need a bit of a nudge to enable the power |
| 534 | * output pins. |
| 535 | */ |
| 536 | ret = jmicron_pmos(chip, 1); |
| 537 | if (ret) { |
| 538 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); |
| 539 | return ret; |
| 540 | } |
| 541 | |
Takashi Iwai | 82b0e23 | 2011-04-21 20:26:38 +0200 | [diff] [blame] | 542 | /* quirk for unsable RO-detection on JM388 chips */ |
| 543 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD || |
| 544 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) |
| 545 | chip->quirks |= SDHCI_QUIRK_UNSTABLE_RO_DETECT; |
| 546 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 547 | return 0; |
| 548 | } |
| 549 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 550 | static void jmicron_enable_mmc(struct sdhci_host *host, int on) |
| 551 | { |
| 552 | u8 scratch; |
| 553 | |
| 554 | scratch = readb(host->ioaddr + 0xC0); |
| 555 | |
| 556 | if (on) |
| 557 | scratch |= 0x01; |
| 558 | else |
| 559 | scratch &= ~0x01; |
| 560 | |
| 561 | writeb(scratch, host->ioaddr + 0xC0); |
| 562 | } |
| 563 | |
| 564 | static int jmicron_probe_slot(struct sdhci_pci_slot *slot) |
| 565 | { |
Pierre Ossman | 2134a92 | 2008-06-28 18:28:51 +0200 | [diff] [blame] | 566 | if (slot->chip->pdev->revision == 0) { |
| 567 | u16 version; |
| 568 | |
| 569 | version = readl(slot->host->ioaddr + SDHCI_HOST_VERSION); |
| 570 | version = (version & SDHCI_VENDOR_VER_MASK) >> |
| 571 | SDHCI_VENDOR_VER_SHIFT; |
| 572 | |
| 573 | /* |
| 574 | * Older versions of the chip have lots of nasty glitches |
| 575 | * in the ADMA engine. It's best just to avoid it |
| 576 | * completely. |
| 577 | */ |
| 578 | if (version < 0xAC) |
| 579 | slot->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; |
| 580 | } |
| 581 | |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 582 | /* JM388 MMC doesn't support 1.8V while SD supports it */ |
| 583 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { |
| 584 | slot->host->ocr_avail_sd = MMC_VDD_32_33 | MMC_VDD_33_34 | |
| 585 | MMC_VDD_29_30 | MMC_VDD_30_31 | |
| 586 | MMC_VDD_165_195; /* allow 1.8V */ |
| 587 | slot->host->ocr_avail_mmc = MMC_VDD_32_33 | MMC_VDD_33_34 | |
| 588 | MMC_VDD_29_30 | MMC_VDD_30_31; /* no 1.8V for MMC */ |
| 589 | } |
| 590 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 591 | /* |
| 592 | * The secondary interface requires a bit set to get the |
| 593 | * interrupts. |
| 594 | */ |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 595 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
| 596 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 597 | jmicron_enable_mmc(slot->host, 1); |
| 598 | |
Takashi Iwai | d75c108 | 2010-12-16 17:54:14 +0100 | [diff] [blame] | 599 | slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST; |
| 600 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 601 | return 0; |
| 602 | } |
| 603 | |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 604 | static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 605 | { |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 606 | if (dead) |
| 607 | return; |
| 608 | |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 609 | if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
| 610 | slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 611 | jmicron_enable_mmc(slot->host, 0); |
| 612 | } |
| 613 | |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 614 | static int jmicron_suspend(struct sdhci_pci_chip *chip) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 615 | { |
| 616 | int i; |
| 617 | |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 618 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
| 619 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 620 | for (i = 0; i < chip->num_slots; i++) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 621 | jmicron_enable_mmc(chip->slots[i]->host, 0); |
| 622 | } |
| 623 | |
| 624 | return 0; |
| 625 | } |
| 626 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 627 | static int jmicron_resume(struct sdhci_pci_chip *chip) |
| 628 | { |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 629 | int ret, i; |
| 630 | |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 631 | if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC || |
| 632 | chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 633 | for (i = 0; i < chip->num_slots; i++) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 634 | jmicron_enable_mmc(chip->slots[i]->host, 1); |
| 635 | } |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 636 | |
| 637 | ret = jmicron_pmos(chip, 1); |
| 638 | if (ret) { |
| 639 | dev_err(&chip->pdev->dev, "Failure enabling card power\n"); |
| 640 | return ret; |
| 641 | } |
| 642 | |
| 643 | return 0; |
| 644 | } |
| 645 | |
Jennifer Li | 26daa1e | 2010-11-17 23:01:59 -0500 | [diff] [blame] | 646 | static const struct sdhci_pci_fixes sdhci_o2 = { |
Adam Lee | 01acf69 | 2013-12-19 00:01:26 +0800 | [diff] [blame] | 647 | .probe = sdhci_pci_o2_probe, |
| 648 | .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, |
Adam Lee | 143b648 | 2015-08-03 14:33:28 +0800 | [diff] [blame] | 649 | .quirks2 = SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD, |
Adam Lee | 01acf69 | 2013-12-19 00:01:26 +0800 | [diff] [blame] | 650 | .probe_slot = sdhci_pci_o2_probe_slot, |
| 651 | .resume = sdhci_pci_o2_resume, |
Jennifer Li | 26daa1e | 2010-11-17 23:01:59 -0500 | [diff] [blame] | 652 | }; |
| 653 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 654 | static const struct sdhci_pci_fixes sdhci_jmicron = { |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 655 | .probe = jmicron_probe, |
| 656 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 657 | .probe_slot = jmicron_probe_slot, |
| 658 | .remove_slot = jmicron_remove_slot, |
| 659 | |
| 660 | .suspend = jmicron_suspend, |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 661 | .resume = jmicron_resume, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 662 | }; |
| 663 | |
Nicolas Pitre | a7a6186 | 2009-12-14 18:01:26 -0800 | [diff] [blame] | 664 | /* SysKonnect CardBus2SDIO extra registers */ |
| 665 | #define SYSKT_CTRL 0x200 |
| 666 | #define SYSKT_RDFIFO_STAT 0x204 |
| 667 | #define SYSKT_WRFIFO_STAT 0x208 |
| 668 | #define SYSKT_POWER_DATA 0x20c |
| 669 | #define SYSKT_POWER_330 0xef |
| 670 | #define SYSKT_POWER_300 0xf8 |
| 671 | #define SYSKT_POWER_184 0xcc |
| 672 | #define SYSKT_POWER_CMD 0x20d |
| 673 | #define SYSKT_POWER_START (1 << 7) |
| 674 | #define SYSKT_POWER_STATUS 0x20e |
| 675 | #define SYSKT_POWER_STATUS_OK (1 << 0) |
| 676 | #define SYSKT_BOARD_REV 0x210 |
| 677 | #define SYSKT_CHIP_REV 0x211 |
| 678 | #define SYSKT_CONF_DATA 0x212 |
| 679 | #define SYSKT_CONF_DATA_1V8 (1 << 2) |
| 680 | #define SYSKT_CONF_DATA_2V5 (1 << 1) |
| 681 | #define SYSKT_CONF_DATA_3V3 (1 << 0) |
| 682 | |
| 683 | static int syskt_probe(struct sdhci_pci_chip *chip) |
| 684 | { |
| 685 | if ((chip->pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { |
| 686 | chip->pdev->class &= ~0x0000FF; |
| 687 | chip->pdev->class |= PCI_SDHCI_IFDMA; |
| 688 | } |
| 689 | return 0; |
| 690 | } |
| 691 | |
| 692 | static int syskt_probe_slot(struct sdhci_pci_slot *slot) |
| 693 | { |
| 694 | int tm, ps; |
| 695 | |
| 696 | u8 board_rev = readb(slot->host->ioaddr + SYSKT_BOARD_REV); |
| 697 | u8 chip_rev = readb(slot->host->ioaddr + SYSKT_CHIP_REV); |
| 698 | dev_info(&slot->chip->pdev->dev, "SysKonnect CardBus2SDIO, " |
| 699 | "board rev %d.%d, chip rev %d.%d\n", |
| 700 | board_rev >> 4, board_rev & 0xf, |
| 701 | chip_rev >> 4, chip_rev & 0xf); |
| 702 | if (chip_rev >= 0x20) |
| 703 | slot->host->quirks |= SDHCI_QUIRK_FORCE_DMA; |
| 704 | |
| 705 | writeb(SYSKT_POWER_330, slot->host->ioaddr + SYSKT_POWER_DATA); |
| 706 | writeb(SYSKT_POWER_START, slot->host->ioaddr + SYSKT_POWER_CMD); |
| 707 | udelay(50); |
| 708 | tm = 10; /* Wait max 1 ms */ |
| 709 | do { |
| 710 | ps = readw(slot->host->ioaddr + SYSKT_POWER_STATUS); |
| 711 | if (ps & SYSKT_POWER_STATUS_OK) |
| 712 | break; |
| 713 | udelay(100); |
| 714 | } while (--tm); |
| 715 | if (!tm) { |
| 716 | dev_err(&slot->chip->pdev->dev, |
| 717 | "power regulator never stabilized"); |
| 718 | writeb(0, slot->host->ioaddr + SYSKT_POWER_CMD); |
| 719 | return -ENODEV; |
| 720 | } |
| 721 | |
| 722 | return 0; |
| 723 | } |
| 724 | |
| 725 | static const struct sdhci_pci_fixes sdhci_syskt = { |
| 726 | .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER, |
| 727 | .probe = syskt_probe, |
| 728 | .probe_slot = syskt_probe_slot, |
| 729 | }; |
| 730 | |
Harald Welte | 557b069 | 2009-06-18 16:53:38 +0200 | [diff] [blame] | 731 | static int via_probe(struct sdhci_pci_chip *chip) |
| 732 | { |
| 733 | if (chip->pdev->revision == 0x10) |
| 734 | chip->quirks |= SDHCI_QUIRK_DELAY_AFTER_POWER; |
| 735 | |
| 736 | return 0; |
| 737 | } |
| 738 | |
| 739 | static const struct sdhci_pci_fixes sdhci_via = { |
| 740 | .probe = via_probe, |
| 741 | }; |
| 742 | |
Micky Ching | 9107ebb | 2014-02-21 18:40:35 +0800 | [diff] [blame] | 743 | static int rtsx_probe_slot(struct sdhci_pci_slot *slot) |
| 744 | { |
| 745 | slot->host->mmc->caps2 |= MMC_CAP2_HS200; |
| 746 | return 0; |
| 747 | } |
| 748 | |
| 749 | static const struct sdhci_pci_fixes sdhci_rtsx = { |
| 750 | .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | |
Micky Ching | e30b978 | 2015-04-07 11:32:01 +0800 | [diff] [blame] | 751 | SDHCI_QUIRK2_BROKEN_64_BIT_DMA | |
Micky Ching | 9107ebb | 2014-02-21 18:40:35 +0800 | [diff] [blame] | 752 | SDHCI_QUIRK2_BROKEN_DDR50, |
| 753 | .probe_slot = rtsx_probe_slot, |
| 754 | }; |
| 755 | |
Vincent Wan | b5e97d6 | 2015-06-11 20:11:47 +0800 | [diff] [blame] | 756 | /*AMD chipset generation*/ |
| 757 | enum amd_chipset_gen { |
| 758 | AMD_CHIPSET_BEFORE_ML, |
| 759 | AMD_CHIPSET_CZ, |
| 760 | AMD_CHIPSET_NL, |
| 761 | AMD_CHIPSET_UNKNOWN, |
| 762 | }; |
| 763 | |
Vincent Wan | d44f88d | 2014-11-05 14:09:14 +0800 | [diff] [blame] | 764 | static int amd_probe(struct sdhci_pci_chip *chip) |
| 765 | { |
| 766 | struct pci_dev *smbus_dev; |
Vincent Wan | b5e97d6 | 2015-06-11 20:11:47 +0800 | [diff] [blame] | 767 | enum amd_chipset_gen gen; |
Vincent Wan | d44f88d | 2014-11-05 14:09:14 +0800 | [diff] [blame] | 768 | |
| 769 | smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, |
| 770 | PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL); |
Vincent Wan | b5e97d6 | 2015-06-11 20:11:47 +0800 | [diff] [blame] | 771 | if (smbus_dev) { |
| 772 | gen = AMD_CHIPSET_BEFORE_ML; |
| 773 | } else { |
| 774 | smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, |
| 775 | PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, NULL); |
| 776 | if (smbus_dev) { |
| 777 | if (smbus_dev->revision < 0x51) |
| 778 | gen = AMD_CHIPSET_CZ; |
| 779 | else |
| 780 | gen = AMD_CHIPSET_NL; |
| 781 | } else { |
| 782 | gen = AMD_CHIPSET_UNKNOWN; |
| 783 | } |
| 784 | } |
Vincent Wan | d44f88d | 2014-11-05 14:09:14 +0800 | [diff] [blame] | 785 | |
Vincent Wan | b5e97d6 | 2015-06-11 20:11:47 +0800 | [diff] [blame] | 786 | if ((gen == AMD_CHIPSET_BEFORE_ML) || (gen == AMD_CHIPSET_CZ)) { |
Vincent Wan | d44f88d | 2014-11-05 14:09:14 +0800 | [diff] [blame] | 787 | chip->quirks2 |= SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD; |
Vincent Wan | e765bfa | 2014-11-05 14:09:28 +0800 | [diff] [blame] | 788 | chip->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200; |
| 789 | } |
Vincent Wan | d44f88d | 2014-11-05 14:09:14 +0800 | [diff] [blame] | 790 | |
| 791 | return 0; |
| 792 | } |
| 793 | |
| 794 | static const struct sdhci_pci_fixes sdhci_amd = { |
| 795 | .probe = amd_probe, |
| 796 | }; |
| 797 | |
Bill Pemberton | 9647f84 | 2012-11-19 13:25:11 -0500 | [diff] [blame] | 798 | static const struct pci_device_id pci_ids[] = { |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 799 | { |
| 800 | .vendor = PCI_VENDOR_ID_RICOH, |
| 801 | .device = PCI_DEVICE_ID_RICOH_R5C822, |
| 802 | .subvendor = PCI_ANY_ID, |
| 803 | .subdevice = PCI_ANY_ID, |
| 804 | .driver_data = (kernel_ulong_t)&sdhci_ricoh, |
| 805 | }, |
| 806 | |
| 807 | { |
Maxim Levitsky | ccc92c2 | 2010-08-10 18:01:42 -0700 | [diff] [blame] | 808 | .vendor = PCI_VENDOR_ID_RICOH, |
| 809 | .device = 0x843, |
| 810 | .subvendor = PCI_ANY_ID, |
| 811 | .subdevice = PCI_ANY_ID, |
| 812 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, |
| 813 | }, |
| 814 | |
| 815 | { |
Pablo Castillo | 568133e | 2010-08-10 18:02:01 -0700 | [diff] [blame] | 816 | .vendor = PCI_VENDOR_ID_RICOH, |
| 817 | .device = 0xe822, |
| 818 | .subvendor = PCI_ANY_ID, |
| 819 | .subdevice = PCI_ANY_ID, |
| 820 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, |
| 821 | }, |
| 822 | |
| 823 | { |
Manoj Iyer | 5fd11c0 | 2011-02-11 16:25:31 -0600 | [diff] [blame] | 824 | .vendor = PCI_VENDOR_ID_RICOH, |
| 825 | .device = 0xe823, |
| 826 | .subvendor = PCI_ANY_ID, |
| 827 | .subdevice = PCI_ANY_ID, |
| 828 | .driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc, |
| 829 | }, |
| 830 | |
| 831 | { |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 832 | .vendor = PCI_VENDOR_ID_ENE, |
| 833 | .device = PCI_DEVICE_ID_ENE_CB712_SD, |
| 834 | .subvendor = PCI_ANY_ID, |
| 835 | .subdevice = PCI_ANY_ID, |
| 836 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
| 837 | }, |
| 838 | |
| 839 | { |
| 840 | .vendor = PCI_VENDOR_ID_ENE, |
| 841 | .device = PCI_DEVICE_ID_ENE_CB712_SD_2, |
| 842 | .subvendor = PCI_ANY_ID, |
| 843 | .subdevice = PCI_ANY_ID, |
| 844 | .driver_data = (kernel_ulong_t)&sdhci_ene_712, |
| 845 | }, |
| 846 | |
| 847 | { |
| 848 | .vendor = PCI_VENDOR_ID_ENE, |
| 849 | .device = PCI_DEVICE_ID_ENE_CB714_SD, |
| 850 | .subvendor = PCI_ANY_ID, |
| 851 | .subdevice = PCI_ANY_ID, |
| 852 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
| 853 | }, |
| 854 | |
| 855 | { |
| 856 | .vendor = PCI_VENDOR_ID_ENE, |
| 857 | .device = PCI_DEVICE_ID_ENE_CB714_SD_2, |
| 858 | .subvendor = PCI_ANY_ID, |
| 859 | .subdevice = PCI_ANY_ID, |
| 860 | .driver_data = (kernel_ulong_t)&sdhci_ene_714, |
| 861 | }, |
| 862 | |
| 863 | { |
| 864 | .vendor = PCI_VENDOR_ID_MARVELL, |
David Woodhouse | 8c5eb88 | 2008-09-03 09:45:57 +0100 | [diff] [blame] | 865 | .device = PCI_DEVICE_ID_MARVELL_88ALP01_SD, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 866 | .subvendor = PCI_ANY_ID, |
| 867 | .subdevice = PCI_ANY_ID, |
| 868 | .driver_data = (kernel_ulong_t)&sdhci_cafe, |
| 869 | }, |
| 870 | |
| 871 | { |
| 872 | .vendor = PCI_VENDOR_ID_JMICRON, |
| 873 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_SD, |
| 874 | .subvendor = PCI_ANY_ID, |
| 875 | .subdevice = PCI_ANY_ID, |
| 876 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
| 877 | }, |
| 878 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 879 | { |
| 880 | .vendor = PCI_VENDOR_ID_JMICRON, |
| 881 | .device = PCI_DEVICE_ID_JMICRON_JMB38X_MMC, |
| 882 | .subvendor = PCI_ANY_ID, |
| 883 | .subdevice = PCI_ANY_ID, |
| 884 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
| 885 | }, |
| 886 | |
Harald Welte | 557b069 | 2009-06-18 16:53:38 +0200 | [diff] [blame] | 887 | { |
Takashi Iwai | 8f230f4 | 2010-12-08 10:04:30 +0100 | [diff] [blame] | 888 | .vendor = PCI_VENDOR_ID_JMICRON, |
| 889 | .device = PCI_DEVICE_ID_JMICRON_JMB388_SD, |
| 890 | .subvendor = PCI_ANY_ID, |
| 891 | .subdevice = PCI_ANY_ID, |
| 892 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
| 893 | }, |
| 894 | |
| 895 | { |
| 896 | .vendor = PCI_VENDOR_ID_JMICRON, |
| 897 | .device = PCI_DEVICE_ID_JMICRON_JMB388_ESD, |
| 898 | .subvendor = PCI_ANY_ID, |
| 899 | .subdevice = PCI_ANY_ID, |
| 900 | .driver_data = (kernel_ulong_t)&sdhci_jmicron, |
| 901 | }, |
| 902 | |
| 903 | { |
Nicolas Pitre | a7a6186 | 2009-12-14 18:01:26 -0800 | [diff] [blame] | 904 | .vendor = PCI_VENDOR_ID_SYSKONNECT, |
| 905 | .device = 0x8000, |
| 906 | .subvendor = PCI_ANY_ID, |
| 907 | .subdevice = PCI_ANY_ID, |
| 908 | .driver_data = (kernel_ulong_t)&sdhci_syskt, |
| 909 | }, |
| 910 | |
| 911 | { |
Harald Welte | 557b069 | 2009-06-18 16:53:38 +0200 | [diff] [blame] | 912 | .vendor = PCI_VENDOR_ID_VIA, |
| 913 | .device = 0x95d0, |
| 914 | .subvendor = PCI_ANY_ID, |
| 915 | .subdevice = PCI_ANY_ID, |
| 916 | .driver_data = (kernel_ulong_t)&sdhci_via, |
| 917 | }, |
| 918 | |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 919 | { |
Micky Ching | 9107ebb | 2014-02-21 18:40:35 +0800 | [diff] [blame] | 920 | .vendor = PCI_VENDOR_ID_REALTEK, |
| 921 | .device = 0x5250, |
| 922 | .subvendor = PCI_ANY_ID, |
| 923 | .subdevice = PCI_ANY_ID, |
| 924 | .driver_data = (kernel_ulong_t)&sdhci_rtsx, |
| 925 | }, |
| 926 | |
| 927 | { |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 928 | .vendor = PCI_VENDOR_ID_INTEL, |
Derek Browne | 43e968c | 2014-06-24 06:56:36 -0700 | [diff] [blame] | 929 | .device = PCI_DEVICE_ID_INTEL_QRK_SD, |
| 930 | .subvendor = PCI_ANY_ID, |
| 931 | .subdevice = PCI_ANY_ID, |
| 932 | .driver_data = (kernel_ulong_t)&sdhci_intel_qrk, |
| 933 | }, |
| 934 | |
| 935 | { |
| 936 | .vendor = PCI_VENDOR_ID_INTEL, |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 937 | .device = PCI_DEVICE_ID_INTEL_MRST_SD0, |
| 938 | .subvendor = PCI_ANY_ID, |
| 939 | .subdevice = PCI_ANY_ID, |
| 940 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc0, |
| 941 | }, |
| 942 | |
| 943 | { |
| 944 | .vendor = PCI_VENDOR_ID_INTEL, |
| 945 | .device = PCI_DEVICE_ID_INTEL_MRST_SD1, |
| 946 | .subvendor = PCI_ANY_ID, |
| 947 | .subdevice = PCI_ANY_ID, |
Jacob Pan | 35ac6f0 | 2010-11-09 13:57:29 +0000 | [diff] [blame] | 948 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, |
| 949 | }, |
| 950 | |
| 951 | { |
| 952 | .vendor = PCI_VENDOR_ID_INTEL, |
| 953 | .device = PCI_DEVICE_ID_INTEL_MRST_SD2, |
| 954 | .subvendor = PCI_ANY_ID, |
| 955 | .subdevice = PCI_ANY_ID, |
| 956 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2, |
Alan Cox | f9ee3ea | 2010-10-04 15:25:11 +0100 | [diff] [blame] | 957 | }, |
| 958 | |
| 959 | { |
| 960 | .vendor = PCI_VENDOR_ID_INTEL, |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 961 | .device = PCI_DEVICE_ID_INTEL_MFD_SD, |
| 962 | .subvendor = PCI_ANY_ID, |
| 963 | .subdevice = PCI_ANY_ID, |
| 964 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, |
| 965 | }, |
| 966 | |
| 967 | { |
| 968 | .vendor = PCI_VENDOR_ID_INTEL, |
| 969 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO1, |
| 970 | .subvendor = PCI_ANY_ID, |
| 971 | .subdevice = PCI_ANY_ID, |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 972 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 973 | }, |
| 974 | |
| 975 | { |
| 976 | .vendor = PCI_VENDOR_ID_INTEL, |
| 977 | .device = PCI_DEVICE_ID_INTEL_MFD_SDIO2, |
| 978 | .subvendor = PCI_ANY_ID, |
| 979 | .subdevice = PCI_ANY_ID, |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 980 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 981 | }, |
| 982 | |
| 983 | { |
| 984 | .vendor = PCI_VENDOR_ID_INTEL, |
| 985 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC0, |
| 986 | .subvendor = PCI_ANY_ID, |
| 987 | .subdevice = PCI_ANY_ID, |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 988 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 989 | }, |
| 990 | |
| 991 | { |
| 992 | .vendor = PCI_VENDOR_ID_INTEL, |
| 993 | .device = PCI_DEVICE_ID_INTEL_MFD_EMMC1, |
| 994 | .subvendor = PCI_ANY_ID, |
| 995 | .subdevice = PCI_ANY_ID, |
Adrian Hunter | 0d013bc | 2011-06-29 14:23:47 +0300 | [diff] [blame] | 996 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
Xiaochen Shen | 2922905 | 2010-10-04 15:24:52 +0100 | [diff] [blame] | 997 | }, |
| 998 | |
Jennifer Li | 26daa1e | 2010-11-17 23:01:59 -0500 | [diff] [blame] | 999 | { |
Alexander Stein | 296e0b0 | 2012-03-14 08:38:58 +0100 | [diff] [blame] | 1000 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1001 | .device = PCI_DEVICE_ID_INTEL_PCH_SDIO0, |
| 1002 | .subvendor = PCI_ANY_ID, |
| 1003 | .subdevice = PCI_ANY_ID, |
| 1004 | .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, |
| 1005 | }, |
| 1006 | |
| 1007 | { |
| 1008 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1009 | .device = PCI_DEVICE_ID_INTEL_PCH_SDIO1, |
| 1010 | .subvendor = PCI_ANY_ID, |
| 1011 | .subdevice = PCI_ANY_ID, |
| 1012 | .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, |
| 1013 | }, |
| 1014 | |
| 1015 | { |
Adrian Hunter | 728ef3d | 2013-04-26 11:27:23 +0300 | [diff] [blame] | 1016 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1017 | .device = PCI_DEVICE_ID_INTEL_BYT_EMMC, |
| 1018 | .subvendor = PCI_ANY_ID, |
| 1019 | .subdevice = PCI_ANY_ID, |
| 1020 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, |
| 1021 | }, |
| 1022 | |
| 1023 | { |
| 1024 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1025 | .device = PCI_DEVICE_ID_INTEL_BYT_SDIO, |
| 1026 | .subvendor = PCI_ANY_ID, |
| 1027 | .subdevice = PCI_ANY_ID, |
| 1028 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, |
| 1029 | }, |
| 1030 | |
| 1031 | { |
| 1032 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1033 | .device = PCI_DEVICE_ID_INTEL_BYT_SD, |
| 1034 | .subvendor = PCI_ANY_ID, |
| 1035 | .subdevice = PCI_ANY_ID, |
| 1036 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, |
| 1037 | }, |
| 1038 | |
| 1039 | { |
Adrian Hunter | 30d025c | 2013-06-20 12:57:59 +0300 | [diff] [blame] | 1040 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1041 | .device = PCI_DEVICE_ID_INTEL_BYT_EMMC2, |
| 1042 | .subvendor = PCI_ANY_ID, |
| 1043 | .subdevice = PCI_ANY_ID, |
| 1044 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, |
| 1045 | }, |
| 1046 | |
Alan Cox | 066173b | 2014-08-20 13:27:44 +0300 | [diff] [blame] | 1047 | { |
| 1048 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1049 | .device = PCI_DEVICE_ID_INTEL_BSW_EMMC, |
| 1050 | .subvendor = PCI_ANY_ID, |
| 1051 | .subdevice = PCI_ANY_ID, |
| 1052 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, |
| 1053 | }, |
| 1054 | |
| 1055 | { |
| 1056 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1057 | .device = PCI_DEVICE_ID_INTEL_BSW_SDIO, |
| 1058 | .subvendor = PCI_ANY_ID, |
| 1059 | .subdevice = PCI_ANY_ID, |
| 1060 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, |
| 1061 | }, |
| 1062 | |
| 1063 | { |
| 1064 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1065 | .device = PCI_DEVICE_ID_INTEL_BSW_SD, |
| 1066 | .subvendor = PCI_ANY_ID, |
| 1067 | .subdevice = PCI_ANY_ID, |
| 1068 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, |
| 1069 | }, |
Eric Ernst | d052068 | 2013-10-21 09:54:41 -0700 | [diff] [blame] | 1070 | |
| 1071 | { |
| 1072 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1073 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO0, |
| 1074 | .subvendor = PCI_ANY_ID, |
| 1075 | .subdevice = PCI_ANY_ID, |
| 1076 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd, |
| 1077 | }, |
| 1078 | |
| 1079 | { |
| 1080 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1081 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO1, |
| 1082 | .subvendor = PCI_ANY_ID, |
| 1083 | .subdevice = PCI_ANY_ID, |
| 1084 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
| 1085 | }, |
| 1086 | |
| 1087 | { |
| 1088 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1089 | .device = PCI_DEVICE_ID_INTEL_CLV_SDIO2, |
| 1090 | .subvendor = PCI_ANY_ID, |
| 1091 | .subdevice = PCI_ANY_ID, |
| 1092 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, |
| 1093 | }, |
| 1094 | |
| 1095 | { |
| 1096 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1097 | .device = PCI_DEVICE_ID_INTEL_CLV_EMMC0, |
| 1098 | .subvendor = PCI_ANY_ID, |
| 1099 | .subdevice = PCI_ANY_ID, |
| 1100 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
| 1101 | }, |
| 1102 | |
| 1103 | { |
| 1104 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1105 | .device = PCI_DEVICE_ID_INTEL_CLV_EMMC1, |
| 1106 | .subvendor = PCI_ANY_ID, |
| 1107 | .subdevice = PCI_ANY_ID, |
| 1108 | .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, |
| 1109 | }, |
| 1110 | |
Adrian Hunter | 30d025c | 2013-06-20 12:57:59 +0300 | [diff] [blame] | 1111 | { |
David Cohen | 8776a16 | 2013-10-01 13:18:15 -0700 | [diff] [blame] | 1112 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1113 | .device = PCI_DEVICE_ID_INTEL_MRFL_MMC, |
| 1114 | .subvendor = PCI_ANY_ID, |
| 1115 | .subdevice = PCI_ANY_ID, |
| 1116 | .driver_data = (kernel_ulong_t)&sdhci_intel_mrfl_mmc, |
| 1117 | }, |
Adrian Hunter | 1f7f265 | 2015-01-05 14:47:58 +0200 | [diff] [blame] | 1118 | |
| 1119 | { |
| 1120 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1121 | .device = PCI_DEVICE_ID_INTEL_SPT_EMMC, |
| 1122 | .subvendor = PCI_ANY_ID, |
| 1123 | .subdevice = PCI_ANY_ID, |
| 1124 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, |
| 1125 | }, |
| 1126 | |
| 1127 | { |
| 1128 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1129 | .device = PCI_DEVICE_ID_INTEL_SPT_SDIO, |
| 1130 | .subvendor = PCI_ANY_ID, |
| 1131 | .subdevice = PCI_ANY_ID, |
| 1132 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, |
| 1133 | }, |
| 1134 | |
| 1135 | { |
| 1136 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1137 | .device = PCI_DEVICE_ID_INTEL_SPT_SD, |
| 1138 | .subvendor = PCI_ANY_ID, |
| 1139 | .subdevice = PCI_ANY_ID, |
| 1140 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, |
| 1141 | }, |
| 1142 | |
David Cohen | 8776a16 | 2013-10-01 13:18:15 -0700 | [diff] [blame] | 1143 | { |
Adrian Hunter | 06bf9c5 | 2015-10-06 10:26:21 +0300 | [diff] [blame] | 1144 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1145 | .device = PCI_DEVICE_ID_INTEL_DNV_EMMC, |
| 1146 | .subvendor = PCI_ANY_ID, |
| 1147 | .subdevice = PCI_ANY_ID, |
| 1148 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, |
| 1149 | }, |
| 1150 | |
| 1151 | { |
Adrian Hunter | 4fd4c06 | 2015-10-21 11:15:45 +0300 | [diff] [blame] | 1152 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1153 | .device = PCI_DEVICE_ID_INTEL_BXT_EMMC, |
| 1154 | .subvendor = PCI_ANY_ID, |
| 1155 | .subdevice = PCI_ANY_ID, |
| 1156 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, |
| 1157 | }, |
| 1158 | |
| 1159 | { |
| 1160 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1161 | .device = PCI_DEVICE_ID_INTEL_BXT_SDIO, |
| 1162 | .subvendor = PCI_ANY_ID, |
| 1163 | .subdevice = PCI_ANY_ID, |
| 1164 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, |
| 1165 | }, |
| 1166 | |
| 1167 | { |
| 1168 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1169 | .device = PCI_DEVICE_ID_INTEL_BXT_SD, |
| 1170 | .subvendor = PCI_ANY_ID, |
| 1171 | .subdevice = PCI_ANY_ID, |
| 1172 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, |
| 1173 | }, |
| 1174 | |
| 1175 | { |
| 1176 | .vendor = PCI_VENDOR_ID_INTEL, |
Adrian Hunter | 01d6b2a | 2016-04-04 12:40:37 +0300 | [diff] [blame] | 1177 | .device = PCI_DEVICE_ID_INTEL_BXTM_EMMC, |
| 1178 | .subvendor = PCI_ANY_ID, |
| 1179 | .subdevice = PCI_ANY_ID, |
| 1180 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, |
| 1181 | }, |
| 1182 | |
| 1183 | { |
| 1184 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1185 | .device = PCI_DEVICE_ID_INTEL_BXTM_SDIO, |
| 1186 | .subvendor = PCI_ANY_ID, |
| 1187 | .subdevice = PCI_ANY_ID, |
| 1188 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, |
| 1189 | }, |
| 1190 | |
| 1191 | { |
| 1192 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1193 | .device = PCI_DEVICE_ID_INTEL_BXTM_SD, |
| 1194 | .subvendor = PCI_ANY_ID, |
| 1195 | .subdevice = PCI_ANY_ID, |
| 1196 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, |
| 1197 | }, |
| 1198 | |
| 1199 | { |
| 1200 | .vendor = PCI_VENDOR_ID_INTEL, |
Adrian Hunter | 4fd4c06 | 2015-10-21 11:15:45 +0300 | [diff] [blame] | 1201 | .device = PCI_DEVICE_ID_INTEL_APL_EMMC, |
| 1202 | .subvendor = PCI_ANY_ID, |
| 1203 | .subdevice = PCI_ANY_ID, |
| 1204 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, |
| 1205 | }, |
| 1206 | |
| 1207 | { |
| 1208 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1209 | .device = PCI_DEVICE_ID_INTEL_APL_SDIO, |
| 1210 | .subvendor = PCI_ANY_ID, |
| 1211 | .subdevice = PCI_ANY_ID, |
| 1212 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, |
| 1213 | }, |
| 1214 | |
| 1215 | { |
| 1216 | .vendor = PCI_VENDOR_ID_INTEL, |
| 1217 | .device = PCI_DEVICE_ID_INTEL_APL_SD, |
| 1218 | .subvendor = PCI_ANY_ID, |
| 1219 | .subdevice = PCI_ANY_ID, |
| 1220 | .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, |
| 1221 | }, |
| 1222 | |
| 1223 | { |
Jennifer Li | 26daa1e | 2010-11-17 23:01:59 -0500 | [diff] [blame] | 1224 | .vendor = PCI_VENDOR_ID_O2, |
| 1225 | .device = PCI_DEVICE_ID_O2_8120, |
| 1226 | .subvendor = PCI_ANY_ID, |
| 1227 | .subdevice = PCI_ANY_ID, |
| 1228 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1229 | }, |
| 1230 | |
| 1231 | { |
| 1232 | .vendor = PCI_VENDOR_ID_O2, |
| 1233 | .device = PCI_DEVICE_ID_O2_8220, |
| 1234 | .subvendor = PCI_ANY_ID, |
| 1235 | .subdevice = PCI_ANY_ID, |
| 1236 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1237 | }, |
| 1238 | |
| 1239 | { |
| 1240 | .vendor = PCI_VENDOR_ID_O2, |
| 1241 | .device = PCI_DEVICE_ID_O2_8221, |
| 1242 | .subvendor = PCI_ANY_ID, |
| 1243 | .subdevice = PCI_ANY_ID, |
| 1244 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1245 | }, |
| 1246 | |
| 1247 | { |
| 1248 | .vendor = PCI_VENDOR_ID_O2, |
| 1249 | .device = PCI_DEVICE_ID_O2_8320, |
| 1250 | .subvendor = PCI_ANY_ID, |
| 1251 | .subdevice = PCI_ANY_ID, |
| 1252 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1253 | }, |
| 1254 | |
| 1255 | { |
| 1256 | .vendor = PCI_VENDOR_ID_O2, |
| 1257 | .device = PCI_DEVICE_ID_O2_8321, |
| 1258 | .subvendor = PCI_ANY_ID, |
| 1259 | .subdevice = PCI_ANY_ID, |
| 1260 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1261 | }, |
| 1262 | |
Adam Lee | 01acf69 | 2013-12-19 00:01:26 +0800 | [diff] [blame] | 1263 | { |
| 1264 | .vendor = PCI_VENDOR_ID_O2, |
| 1265 | .device = PCI_DEVICE_ID_O2_FUJIN2, |
| 1266 | .subvendor = PCI_ANY_ID, |
| 1267 | .subdevice = PCI_ANY_ID, |
| 1268 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1269 | }, |
| 1270 | |
| 1271 | { |
| 1272 | .vendor = PCI_VENDOR_ID_O2, |
| 1273 | .device = PCI_DEVICE_ID_O2_SDS0, |
| 1274 | .subvendor = PCI_ANY_ID, |
| 1275 | .subdevice = PCI_ANY_ID, |
| 1276 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1277 | }, |
| 1278 | |
| 1279 | { |
| 1280 | .vendor = PCI_VENDOR_ID_O2, |
| 1281 | .device = PCI_DEVICE_ID_O2_SDS1, |
| 1282 | .subvendor = PCI_ANY_ID, |
| 1283 | .subdevice = PCI_ANY_ID, |
| 1284 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1285 | }, |
| 1286 | |
| 1287 | { |
| 1288 | .vendor = PCI_VENDOR_ID_O2, |
| 1289 | .device = PCI_DEVICE_ID_O2_SEABIRD0, |
| 1290 | .subvendor = PCI_ANY_ID, |
| 1291 | .subdevice = PCI_ANY_ID, |
| 1292 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1293 | }, |
| 1294 | |
| 1295 | { |
| 1296 | .vendor = PCI_VENDOR_ID_O2, |
| 1297 | .device = PCI_DEVICE_ID_O2_SEABIRD1, |
| 1298 | .subvendor = PCI_ANY_ID, |
| 1299 | .subdevice = PCI_ANY_ID, |
| 1300 | .driver_data = (kernel_ulong_t)&sdhci_o2, |
| 1301 | }, |
Vincent Wan | d44f88d | 2014-11-05 14:09:14 +0800 | [diff] [blame] | 1302 | { |
| 1303 | .vendor = PCI_VENDOR_ID_AMD, |
| 1304 | .device = PCI_ANY_ID, |
| 1305 | .class = PCI_CLASS_SYSTEM_SDHCI << 8, |
| 1306 | .class_mask = 0xFFFF00, |
| 1307 | .subvendor = PCI_ANY_ID, |
| 1308 | .subdevice = PCI_ANY_ID, |
| 1309 | .driver_data = (kernel_ulong_t)&sdhci_amd, |
| 1310 | }, |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 1311 | { /* Generic SD host controller */ |
| 1312 | PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00) |
| 1313 | }, |
| 1314 | |
| 1315 | { /* end: all zeroes */ }, |
| 1316 | }; |
| 1317 | |
| 1318 | MODULE_DEVICE_TABLE(pci, pci_ids); |
| 1319 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1320 | /*****************************************************************************\ |
| 1321 | * * |
| 1322 | * SDHCI core callbacks * |
| 1323 | * * |
| 1324 | \*****************************************************************************/ |
| 1325 | |
| 1326 | static int sdhci_pci_enable_dma(struct sdhci_host *host) |
| 1327 | { |
| 1328 | struct sdhci_pci_slot *slot; |
| 1329 | struct pci_dev *pdev; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1330 | |
| 1331 | slot = sdhci_priv(host); |
| 1332 | pdev = slot->chip->pdev; |
| 1333 | |
| 1334 | if (((pdev->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI << 8)) && |
| 1335 | ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) && |
Richard Röjfors | a13abc7 | 2009-09-22 16:45:30 -0700 | [diff] [blame] | 1336 | (host->flags & SDHCI_USE_SDMA)) { |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1337 | dev_warn(&pdev->dev, "Will use DMA mode even though HW " |
| 1338 | "doesn't fully claim to support it.\n"); |
| 1339 | } |
| 1340 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1341 | pci_set_master(pdev); |
| 1342 | |
| 1343 | return 0; |
| 1344 | } |
| 1345 | |
Russell King | 2317f56 | 2014-04-25 12:57:07 +0100 | [diff] [blame] | 1346 | static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width) |
Major Lee | 68077b0 | 2011-06-29 14:23:46 +0300 | [diff] [blame] | 1347 | { |
| 1348 | u8 ctrl; |
| 1349 | |
| 1350 | ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); |
| 1351 | |
| 1352 | switch (width) { |
| 1353 | case MMC_BUS_WIDTH_8: |
| 1354 | ctrl |= SDHCI_CTRL_8BITBUS; |
| 1355 | ctrl &= ~SDHCI_CTRL_4BITBUS; |
| 1356 | break; |
| 1357 | case MMC_BUS_WIDTH_4: |
| 1358 | ctrl |= SDHCI_CTRL_4BITBUS; |
| 1359 | ctrl &= ~SDHCI_CTRL_8BITBUS; |
| 1360 | break; |
| 1361 | default: |
| 1362 | ctrl &= ~(SDHCI_CTRL_8BITBUS | SDHCI_CTRL_4BITBUS); |
| 1363 | break; |
| 1364 | } |
| 1365 | |
| 1366 | sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); |
Major Lee | 68077b0 | 2011-06-29 14:23:46 +0300 | [diff] [blame] | 1367 | } |
| 1368 | |
Adrian Hunter | c9faff6 | 2013-06-13 11:50:26 +0300 | [diff] [blame] | 1369 | static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host) |
Adrian Hunter | 0f20165 | 2011-08-29 16:42:13 +0300 | [diff] [blame] | 1370 | { |
| 1371 | struct sdhci_pci_slot *slot = sdhci_priv(host); |
| 1372 | int rst_n_gpio = slot->rst_n_gpio; |
| 1373 | |
| 1374 | if (!gpio_is_valid(rst_n_gpio)) |
| 1375 | return; |
| 1376 | gpio_set_value_cansleep(rst_n_gpio, 0); |
| 1377 | /* For eMMC, minimum is 1us but give it 10us for good measure */ |
| 1378 | udelay(10); |
| 1379 | gpio_set_value_cansleep(rst_n_gpio, 1); |
| 1380 | /* For eMMC, minimum is 200us but give it 300us for good measure */ |
| 1381 | usleep_range(300, 1000); |
| 1382 | } |
| 1383 | |
Adrian Hunter | c9faff6 | 2013-06-13 11:50:26 +0300 | [diff] [blame] | 1384 | static void sdhci_pci_hw_reset(struct sdhci_host *host) |
| 1385 | { |
| 1386 | struct sdhci_pci_slot *slot = sdhci_priv(host); |
| 1387 | |
| 1388 | if (slot->hw_reset) |
| 1389 | slot->hw_reset(host); |
| 1390 | } |
| 1391 | |
Adrian Hunter | e1bfad6 | 2015-02-06 14:13:00 +0200 | [diff] [blame] | 1392 | static int sdhci_pci_select_drive_strength(struct sdhci_host *host, |
| 1393 | struct mmc_card *card, |
| 1394 | unsigned int max_dtr, int host_drv, |
| 1395 | int card_drv, int *drv_type) |
| 1396 | { |
| 1397 | struct sdhci_pci_slot *slot = sdhci_priv(host); |
| 1398 | |
| 1399 | if (!slot->select_drive_strength) |
| 1400 | return 0; |
| 1401 | |
| 1402 | return slot->select_drive_strength(host, card, max_dtr, host_drv, |
| 1403 | card_drv, drv_type); |
| 1404 | } |
| 1405 | |
Lars-Peter Clausen | c915568 | 2013-03-13 19:26:05 +0100 | [diff] [blame] | 1406 | static const struct sdhci_ops sdhci_pci_ops = { |
Russell King | 1771059 | 2014-04-25 12:58:55 +0100 | [diff] [blame] | 1407 | .set_clock = sdhci_set_clock, |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1408 | .enable_dma = sdhci_pci_enable_dma, |
Russell King | 2317f56 | 2014-04-25 12:57:07 +0100 | [diff] [blame] | 1409 | .set_bus_width = sdhci_pci_set_bus_width, |
Russell King | 03231f9 | 2014-04-25 12:57:12 +0100 | [diff] [blame] | 1410 | .reset = sdhci_reset, |
Russell King | 96d7b78 | 2014-04-25 12:59:26 +0100 | [diff] [blame] | 1411 | .set_uhs_signaling = sdhci_set_uhs_signaling, |
Adrian Hunter | 0f20165 | 2011-08-29 16:42:13 +0300 | [diff] [blame] | 1412 | .hw_reset = sdhci_pci_hw_reset, |
Adrian Hunter | e1bfad6 | 2015-02-06 14:13:00 +0200 | [diff] [blame] | 1413 | .select_drive_strength = sdhci_pci_select_drive_strength, |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1414 | }; |
| 1415 | |
| 1416 | /*****************************************************************************\ |
| 1417 | * * |
| 1418 | * Suspend/resume * |
| 1419 | * * |
| 1420 | \*****************************************************************************/ |
| 1421 | |
| 1422 | #ifdef CONFIG_PM |
| 1423 | |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 1424 | static int sdhci_pci_suspend(struct device *dev) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1425 | { |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 1426 | struct pci_dev *pdev = to_pci_dev(dev); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1427 | struct sdhci_pci_chip *chip; |
| 1428 | struct sdhci_pci_slot *slot; |
Daniel Drake | 5f61970 | 2010-11-04 22:20:39 +0000 | [diff] [blame] | 1429 | mmc_pm_flag_t slot_pm_flags; |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 1430 | mmc_pm_flag_t pm_flags = 0; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1431 | int i, ret; |
| 1432 | |
| 1433 | chip = pci_get_drvdata(pdev); |
| 1434 | if (!chip) |
| 1435 | return 0; |
| 1436 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 1437 | for (i = 0; i < chip->num_slots; i++) { |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1438 | slot = chip->slots[i]; |
| 1439 | if (!slot) |
| 1440 | continue; |
| 1441 | |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 1442 | ret = sdhci_suspend_host(slot->host); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1443 | |
Axel Lin | b678b91 | 2011-12-03 15:28:05 +0800 | [diff] [blame] | 1444 | if (ret) |
| 1445 | goto err_pci_suspend; |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 1446 | |
Daniel Drake | 5f61970 | 2010-11-04 22:20:39 +0000 | [diff] [blame] | 1447 | slot_pm_flags = slot->host->mmc->pm_flags; |
| 1448 | if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ) |
| 1449 | sdhci_enable_irq_wakeups(slot->host); |
| 1450 | |
| 1451 | pm_flags |= slot_pm_flags; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1452 | } |
| 1453 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1454 | if (chip->fixes && chip->fixes->suspend) { |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 1455 | ret = chip->fixes->suspend(chip); |
Axel Lin | b678b91 | 2011-12-03 15:28:05 +0800 | [diff] [blame] | 1456 | if (ret) |
| 1457 | goto err_pci_suspend; |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1458 | } |
| 1459 | |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 1460 | if (pm_flags & MMC_PM_KEEP_POWER) { |
Chuanxiao.Dong | 6b91f2d | 2014-07-15 17:28:05 +0800 | [diff] [blame] | 1461 | if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) |
| 1462 | device_init_wakeup(dev, true); |
| 1463 | else |
| 1464 | device_init_wakeup(dev, false); |
| 1465 | } else |
| 1466 | device_init_wakeup(dev, false); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1467 | |
| 1468 | return 0; |
Axel Lin | b678b91 | 2011-12-03 15:28:05 +0800 | [diff] [blame] | 1469 | |
| 1470 | err_pci_suspend: |
| 1471 | while (--i >= 0) |
| 1472 | sdhci_resume_host(chip->slots[i]->host); |
| 1473 | return ret; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1474 | } |
| 1475 | |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 1476 | static int sdhci_pci_resume(struct device *dev) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1477 | { |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 1478 | struct pci_dev *pdev = to_pci_dev(dev); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1479 | struct sdhci_pci_chip *chip; |
| 1480 | struct sdhci_pci_slot *slot; |
| 1481 | int i, ret; |
| 1482 | |
| 1483 | chip = pci_get_drvdata(pdev); |
| 1484 | if (!chip) |
| 1485 | return 0; |
| 1486 | |
Pierre Ossman | 45211e2 | 2008-03-24 13:09:09 +0100 | [diff] [blame] | 1487 | if (chip->fixes && chip->fixes->resume) { |
| 1488 | ret = chip->fixes->resume(chip); |
| 1489 | if (ret) |
| 1490 | return ret; |
| 1491 | } |
| 1492 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 1493 | for (i = 0; i < chip->num_slots; i++) { |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1494 | slot = chip->slots[i]; |
| 1495 | if (!slot) |
| 1496 | continue; |
| 1497 | |
| 1498 | ret = sdhci_resume_host(slot->host); |
| 1499 | if (ret) |
| 1500 | return ret; |
| 1501 | } |
| 1502 | |
| 1503 | return 0; |
| 1504 | } |
| 1505 | |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1506 | static int sdhci_pci_runtime_suspend(struct device *dev) |
| 1507 | { |
Geliang Tang | 923a231 | 2015-12-27 18:46:00 +0800 | [diff] [blame] | 1508 | struct pci_dev *pdev = to_pci_dev(dev); |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1509 | struct sdhci_pci_chip *chip; |
| 1510 | struct sdhci_pci_slot *slot; |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1511 | int i, ret; |
| 1512 | |
| 1513 | chip = pci_get_drvdata(pdev); |
| 1514 | if (!chip) |
| 1515 | return 0; |
| 1516 | |
| 1517 | for (i = 0; i < chip->num_slots; i++) { |
| 1518 | slot = chip->slots[i]; |
| 1519 | if (!slot) |
| 1520 | continue; |
| 1521 | |
| 1522 | ret = sdhci_runtime_suspend_host(slot->host); |
| 1523 | |
Axel Lin | b678b91 | 2011-12-03 15:28:05 +0800 | [diff] [blame] | 1524 | if (ret) |
| 1525 | goto err_pci_runtime_suspend; |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1526 | } |
| 1527 | |
| 1528 | if (chip->fixes && chip->fixes->suspend) { |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 1529 | ret = chip->fixes->suspend(chip); |
Axel Lin | b678b91 | 2011-12-03 15:28:05 +0800 | [diff] [blame] | 1530 | if (ret) |
| 1531 | goto err_pci_runtime_suspend; |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1532 | } |
| 1533 | |
| 1534 | return 0; |
Axel Lin | b678b91 | 2011-12-03 15:28:05 +0800 | [diff] [blame] | 1535 | |
| 1536 | err_pci_runtime_suspend: |
| 1537 | while (--i >= 0) |
| 1538 | sdhci_runtime_resume_host(chip->slots[i]->host); |
| 1539 | return ret; |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1540 | } |
| 1541 | |
| 1542 | static int sdhci_pci_runtime_resume(struct device *dev) |
| 1543 | { |
Geliang Tang | 923a231 | 2015-12-27 18:46:00 +0800 | [diff] [blame] | 1544 | struct pci_dev *pdev = to_pci_dev(dev); |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1545 | struct sdhci_pci_chip *chip; |
| 1546 | struct sdhci_pci_slot *slot; |
| 1547 | int i, ret; |
| 1548 | |
| 1549 | chip = pci_get_drvdata(pdev); |
| 1550 | if (!chip) |
| 1551 | return 0; |
| 1552 | |
| 1553 | if (chip->fixes && chip->fixes->resume) { |
| 1554 | ret = chip->fixes->resume(chip); |
| 1555 | if (ret) |
| 1556 | return ret; |
| 1557 | } |
| 1558 | |
| 1559 | for (i = 0; i < chip->num_slots; i++) { |
| 1560 | slot = chip->slots[i]; |
| 1561 | if (!slot) |
| 1562 | continue; |
| 1563 | |
| 1564 | ret = sdhci_runtime_resume_host(slot->host); |
| 1565 | if (ret) |
| 1566 | return ret; |
| 1567 | } |
| 1568 | |
| 1569 | return 0; |
| 1570 | } |
| 1571 | |
Rafael J. Wysocki | 162d6f9 | 2014-12-05 03:05:33 +0100 | [diff] [blame] | 1572 | #else /* CONFIG_PM */ |
| 1573 | |
| 1574 | #define sdhci_pci_suspend NULL |
| 1575 | #define sdhci_pci_resume NULL |
| 1576 | |
| 1577 | #endif /* CONFIG_PM */ |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1578 | |
| 1579 | static const struct dev_pm_ops sdhci_pci_pm_ops = { |
Manuel Lauss | 29495aa | 2011-11-03 11:09:45 +0100 | [diff] [blame] | 1580 | .suspend = sdhci_pci_suspend, |
| 1581 | .resume = sdhci_pci_resume, |
Peter Griffin | f3a92b1 | 2014-08-12 17:14:28 +0100 | [diff] [blame] | 1582 | SET_RUNTIME_PM_OPS(sdhci_pci_runtime_suspend, |
Ulf Hansson | 106276b | 2014-12-10 16:49:23 +0100 | [diff] [blame] | 1583 | sdhci_pci_runtime_resume, NULL) |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1584 | }; |
| 1585 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1586 | /*****************************************************************************\ |
| 1587 | * * |
| 1588 | * Device probing/removal * |
| 1589 | * * |
| 1590 | \*****************************************************************************/ |
| 1591 | |
Bill Pemberton | c3be1ef | 2012-11-19 13:23:06 -0500 | [diff] [blame] | 1592 | static struct sdhci_pci_slot *sdhci_pci_probe_slot( |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 1593 | struct pci_dev *pdev, struct sdhci_pci_chip *chip, int first_bar, |
| 1594 | int slotno) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1595 | { |
| 1596 | struct sdhci_pci_slot *slot; |
| 1597 | struct sdhci_host *host; |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 1598 | int ret, bar = first_bar + slotno; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1599 | |
| 1600 | if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) { |
| 1601 | dev_err(&pdev->dev, "BAR %d is not iomem. Aborting.\n", bar); |
| 1602 | return ERR_PTR(-ENODEV); |
| 1603 | } |
| 1604 | |
Adrian Hunter | 90b3e6c | 2012-10-18 09:54:31 +0300 | [diff] [blame] | 1605 | if (pci_resource_len(pdev, bar) < 0x100) { |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1606 | dev_err(&pdev->dev, "Invalid iomem size. You may " |
| 1607 | "experience problems.\n"); |
| 1608 | } |
| 1609 | |
| 1610 | if ((pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) { |
| 1611 | dev_err(&pdev->dev, "Vendor specific interface. Aborting.\n"); |
| 1612 | return ERR_PTR(-ENODEV); |
| 1613 | } |
| 1614 | |
| 1615 | if ((pdev->class & 0x0000FF) > PCI_SDHCI_IFVENDOR) { |
| 1616 | dev_err(&pdev->dev, "Unknown interface. Aborting.\n"); |
| 1617 | return ERR_PTR(-ENODEV); |
| 1618 | } |
| 1619 | |
| 1620 | host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot)); |
| 1621 | if (IS_ERR(host)) { |
Dan Carpenter | c60a32c | 2009-04-10 23:31:10 +0200 | [diff] [blame] | 1622 | dev_err(&pdev->dev, "cannot allocate host\n"); |
Julia Lawall | dc0fd7b | 2010-05-26 14:42:11 -0700 | [diff] [blame] | 1623 | return ERR_CAST(host); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1624 | } |
| 1625 | |
| 1626 | slot = sdhci_priv(host); |
| 1627 | |
| 1628 | slot->chip = chip; |
| 1629 | slot->host = host; |
| 1630 | slot->pci_bar = bar; |
Adrian Hunter | 0f20165 | 2011-08-29 16:42:13 +0300 | [diff] [blame] | 1631 | slot->rst_n_gpio = -EINVAL; |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 1632 | slot->cd_gpio = -EINVAL; |
Adrian Hunter | ff59c52 | 2014-09-24 10:27:31 +0300 | [diff] [blame] | 1633 | slot->cd_idx = -1; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1634 | |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 1635 | /* Retrieve platform data if there is any */ |
| 1636 | if (*sdhci_pci_get_data) |
| 1637 | slot->data = sdhci_pci_get_data(pdev, slotno); |
| 1638 | |
| 1639 | if (slot->data) { |
| 1640 | if (slot->data->setup) { |
| 1641 | ret = slot->data->setup(slot->data); |
| 1642 | if (ret) { |
| 1643 | dev_err(&pdev->dev, "platform setup failed\n"); |
| 1644 | goto free; |
| 1645 | } |
| 1646 | } |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 1647 | slot->rst_n_gpio = slot->data->rst_n_gpio; |
| 1648 | slot->cd_gpio = slot->data->cd_gpio; |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 1649 | } |
| 1650 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1651 | host->hw_name = "PCI"; |
| 1652 | host->ops = &sdhci_pci_ops; |
| 1653 | host->quirks = chip->quirks; |
Adrian Hunter | f3c55a7 | 2012-02-07 14:48:55 +0200 | [diff] [blame] | 1654 | host->quirks2 = chip->quirks2; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1655 | |
| 1656 | host->irq = pdev->irq; |
| 1657 | |
| 1658 | ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc)); |
| 1659 | if (ret) { |
| 1660 | dev_err(&pdev->dev, "cannot request region\n"); |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 1661 | goto cleanup; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1662 | } |
| 1663 | |
Arjan van de Ven | 092f82e | 2008-09-28 16:15:56 -0700 | [diff] [blame] | 1664 | host->ioaddr = pci_ioremap_bar(pdev, bar); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1665 | if (!host->ioaddr) { |
| 1666 | dev_err(&pdev->dev, "failed to remap registers\n"); |
Chris Ball | 9fdcdbb | 2011-03-29 00:46:12 -0400 | [diff] [blame] | 1667 | ret = -ENOMEM; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1668 | goto release; |
| 1669 | } |
| 1670 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1671 | if (chip->fixes && chip->fixes->probe_slot) { |
| 1672 | ret = chip->fixes->probe_slot(slot); |
| 1673 | if (ret) |
| 1674 | goto unmap; |
| 1675 | } |
| 1676 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 1677 | if (gpio_is_valid(slot->rst_n_gpio)) { |
| 1678 | if (!gpio_request(slot->rst_n_gpio, "eMMC_reset")) { |
| 1679 | gpio_direction_output(slot->rst_n_gpio, 1); |
| 1680 | slot->host->mmc->caps |= MMC_CAP_HW_RESET; |
Adrian Hunter | c9faff6 | 2013-06-13 11:50:26 +0300 | [diff] [blame] | 1681 | slot->hw_reset = sdhci_pci_gpio_hw_reset; |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 1682 | } else { |
| 1683 | dev_warn(&pdev->dev, "failed to request rst_n_gpio\n"); |
| 1684 | slot->rst_n_gpio = -EINVAL; |
| 1685 | } |
| 1686 | } |
| 1687 | |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 1688 | host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ; |
Aaron Lu | eed222a | 2013-03-05 11:24:52 +0800 | [diff] [blame] | 1689 | host->mmc->slotno = slotno; |
Adrian Hunter | a08b17b | 2013-04-15 11:27:25 -0400 | [diff] [blame] | 1690 | host->mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP; |
Nicolas Pitre | 2f4cbb3 | 2010-03-05 13:43:32 -0800 | [diff] [blame] | 1691 | |
Adrian Hunter | ff59c52 | 2014-09-24 10:27:31 +0300 | [diff] [blame] | 1692 | if (slot->cd_idx >= 0 && |
| 1693 | mmc_gpiod_request_cd(host->mmc, slot->cd_con_id, slot->cd_idx, |
| 1694 | slot->cd_override_level, 0, NULL)) { |
| 1695 | dev_warn(&pdev->dev, "failed to setup card detect gpio\n"); |
| 1696 | slot->cd_idx = -1; |
| 1697 | } |
| 1698 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1699 | ret = sdhci_add_host(host); |
| 1700 | if (ret) |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1701 | goto remove; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1702 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 1703 | sdhci_pci_add_own_cd(slot); |
| 1704 | |
Adrian Hunter | 77a0122 | 2014-01-13 09:49:16 +0200 | [diff] [blame] | 1705 | /* |
| 1706 | * Check if the chip needs a separate GPIO for card detect to wake up |
| 1707 | * from runtime suspend. If it is not there, don't allow runtime PM. |
| 1708 | * Note sdhci_pci_add_own_cd() sets slot->cd_gpio to -EINVAL on failure. |
| 1709 | */ |
Adrian Hunter | 945be38 | 2014-01-21 09:52:39 +0200 | [diff] [blame] | 1710 | if (chip->fixes && chip->fixes->own_cd_for_runtime_pm && |
Adrian Hunter | ff59c52 | 2014-09-24 10:27:31 +0300 | [diff] [blame] | 1711 | !gpio_is_valid(slot->cd_gpio) && slot->cd_idx < 0) |
Adrian Hunter | 77a0122 | 2014-01-13 09:49:16 +0200 | [diff] [blame] | 1712 | chip->allow_runtime_pm = false; |
| 1713 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1714 | return slot; |
| 1715 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1716 | remove: |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 1717 | if (gpio_is_valid(slot->rst_n_gpio)) |
| 1718 | gpio_free(slot->rst_n_gpio); |
| 1719 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1720 | if (chip->fixes && chip->fixes->remove_slot) |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 1721 | chip->fixes->remove_slot(slot, 0); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1722 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1723 | unmap: |
| 1724 | iounmap(host->ioaddr); |
| 1725 | |
| 1726 | release: |
| 1727 | pci_release_region(pdev, bar); |
Dan Carpenter | c60a32c | 2009-04-10 23:31:10 +0200 | [diff] [blame] | 1728 | |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 1729 | cleanup: |
| 1730 | if (slot->data && slot->data->cleanup) |
| 1731 | slot->data->cleanup(slot->data); |
| 1732 | |
Dan Carpenter | c60a32c | 2009-04-10 23:31:10 +0200 | [diff] [blame] | 1733 | free: |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1734 | sdhci_free_host(host); |
| 1735 | |
| 1736 | return ERR_PTR(ret); |
| 1737 | } |
| 1738 | |
| 1739 | static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot) |
| 1740 | { |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 1741 | int dead; |
| 1742 | u32 scratch; |
| 1743 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 1744 | sdhci_pci_remove_own_cd(slot); |
| 1745 | |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 1746 | dead = 0; |
| 1747 | scratch = readl(slot->host->ioaddr + SDHCI_INT_STATUS); |
| 1748 | if (scratch == (u32)-1) |
| 1749 | dead = 1; |
| 1750 | |
| 1751 | sdhci_remove_host(slot->host, dead); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1752 | |
Adrian Hunter | c5e027a | 2011-12-27 15:48:44 +0200 | [diff] [blame] | 1753 | if (gpio_is_valid(slot->rst_n_gpio)) |
| 1754 | gpio_free(slot->rst_n_gpio); |
| 1755 | |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1756 | if (slot->chip->fixes && slot->chip->fixes->remove_slot) |
Pierre Ossman | 1e72859 | 2008-04-16 19:13:13 +0200 | [diff] [blame] | 1757 | slot->chip->fixes->remove_slot(slot, dead); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1758 | |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 1759 | if (slot->data && slot->data->cleanup) |
| 1760 | slot->data->cleanup(slot->data); |
| 1761 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1762 | pci_release_region(slot->chip->pdev, slot->pci_bar); |
Pierre Ossman | 4489428 | 2008-04-04 19:36:59 +0200 | [diff] [blame] | 1763 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1764 | sdhci_free_host(slot->host); |
| 1765 | } |
| 1766 | |
Bill Pemberton | c3be1ef | 2012-11-19 13:23:06 -0500 | [diff] [blame] | 1767 | static void sdhci_pci_runtime_pm_allow(struct device *dev) |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1768 | { |
| 1769 | pm_runtime_put_noidle(dev); |
| 1770 | pm_runtime_allow(dev); |
| 1771 | pm_runtime_set_autosuspend_delay(dev, 50); |
| 1772 | pm_runtime_use_autosuspend(dev); |
| 1773 | pm_suspend_ignore_children(dev, 1); |
| 1774 | } |
| 1775 | |
Bill Pemberton | 6e0ee71 | 2012-11-19 13:26:03 -0500 | [diff] [blame] | 1776 | static void sdhci_pci_runtime_pm_forbid(struct device *dev) |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1777 | { |
| 1778 | pm_runtime_forbid(dev); |
| 1779 | pm_runtime_get_noresume(dev); |
| 1780 | } |
| 1781 | |
Bill Pemberton | c3be1ef | 2012-11-19 13:23:06 -0500 | [diff] [blame] | 1782 | static int sdhci_pci_probe(struct pci_dev *pdev, |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1783 | const struct pci_device_id *ent) |
| 1784 | { |
| 1785 | struct sdhci_pci_chip *chip; |
| 1786 | struct sdhci_pci_slot *slot; |
| 1787 | |
Sergei Shtylyov | cf5e23e | 2011-03-17 16:46:17 -0400 | [diff] [blame] | 1788 | u8 slots, first_bar; |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1789 | int ret, i; |
| 1790 | |
| 1791 | BUG_ON(pdev == NULL); |
| 1792 | BUG_ON(ent == NULL); |
| 1793 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1794 | dev_info(&pdev->dev, "SDHCI controller found [%04x:%04x] (rev %x)\n", |
Sergei Shtylyov | cf5e23e | 2011-03-17 16:46:17 -0400 | [diff] [blame] | 1795 | (int)pdev->vendor, (int)pdev->device, (int)pdev->revision); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1796 | |
| 1797 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots); |
| 1798 | if (ret) |
| 1799 | return ret; |
| 1800 | |
| 1801 | slots = PCI_SLOT_INFO_SLOTS(slots) + 1; |
| 1802 | dev_dbg(&pdev->dev, "found %d slot(s)\n", slots); |
| 1803 | if (slots == 0) |
| 1804 | return -ENODEV; |
| 1805 | |
| 1806 | BUG_ON(slots > MAX_SLOTS); |
| 1807 | |
| 1808 | ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar); |
| 1809 | if (ret) |
| 1810 | return ret; |
| 1811 | |
| 1812 | first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK; |
| 1813 | |
| 1814 | if (first_bar > 5) { |
| 1815 | dev_err(&pdev->dev, "Invalid first BAR. Aborting.\n"); |
| 1816 | return -ENODEV; |
| 1817 | } |
| 1818 | |
| 1819 | ret = pci_enable_device(pdev); |
| 1820 | if (ret) |
| 1821 | return ret; |
| 1822 | |
| 1823 | chip = kzalloc(sizeof(struct sdhci_pci_chip), GFP_KERNEL); |
| 1824 | if (!chip) { |
| 1825 | ret = -ENOMEM; |
| 1826 | goto err; |
| 1827 | } |
| 1828 | |
| 1829 | chip->pdev = pdev; |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 1830 | chip->fixes = (const struct sdhci_pci_fixes *)ent->driver_data; |
Adrian Hunter | c43fd77 | 2011-10-17 10:52:44 +0300 | [diff] [blame] | 1831 | if (chip->fixes) { |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 1832 | chip->quirks = chip->fixes->quirks; |
Adrian Hunter | f3c55a7 | 2012-02-07 14:48:55 +0200 | [diff] [blame] | 1833 | chip->quirks2 = chip->fixes->quirks2; |
Adrian Hunter | c43fd77 | 2011-10-17 10:52:44 +0300 | [diff] [blame] | 1834 | chip->allow_runtime_pm = chip->fixes->allow_runtime_pm; |
| 1835 | } |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1836 | chip->num_slots = slots; |
| 1837 | |
| 1838 | pci_set_drvdata(pdev, chip); |
| 1839 | |
Pierre Ossman | 2260640 | 2008-03-23 19:33:23 +0100 | [diff] [blame] | 1840 | if (chip->fixes && chip->fixes->probe) { |
| 1841 | ret = chip->fixes->probe(chip); |
| 1842 | if (ret) |
| 1843 | goto free; |
| 1844 | } |
| 1845 | |
Alan Cox | 225d85f | 2010-10-04 15:24:21 +0100 | [diff] [blame] | 1846 | slots = chip->num_slots; /* Quirk may have changed this */ |
| 1847 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 1848 | for (i = 0; i < slots; i++) { |
Adrian Hunter | 52c506f | 2011-12-27 15:48:43 +0200 | [diff] [blame] | 1849 | slot = sdhci_pci_probe_slot(pdev, chip, first_bar, i); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1850 | if (IS_ERR(slot)) { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 1851 | for (i--; i >= 0; i--) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1852 | sdhci_pci_remove_slot(chip->slots[i]); |
| 1853 | ret = PTR_ERR(slot); |
| 1854 | goto free; |
| 1855 | } |
| 1856 | |
| 1857 | chip->slots[i] = slot; |
| 1858 | } |
| 1859 | |
Adrian Hunter | c43fd77 | 2011-10-17 10:52:44 +0300 | [diff] [blame] | 1860 | if (chip->allow_runtime_pm) |
| 1861 | sdhci_pci_runtime_pm_allow(&pdev->dev); |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1862 | |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1863 | return 0; |
| 1864 | |
| 1865 | free: |
| 1866 | pci_set_drvdata(pdev, NULL); |
| 1867 | kfree(chip); |
| 1868 | |
| 1869 | err: |
| 1870 | pci_disable_device(pdev); |
| 1871 | return ret; |
| 1872 | } |
| 1873 | |
Bill Pemberton | 6e0ee71 | 2012-11-19 13:26:03 -0500 | [diff] [blame] | 1874 | static void sdhci_pci_remove(struct pci_dev *pdev) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1875 | { |
| 1876 | int i; |
| 1877 | struct sdhci_pci_chip *chip; |
| 1878 | |
| 1879 | chip = pci_get_drvdata(pdev); |
| 1880 | |
| 1881 | if (chip) { |
Adrian Hunter | c43fd77 | 2011-10-17 10:52:44 +0300 | [diff] [blame] | 1882 | if (chip->allow_runtime_pm) |
| 1883 | sdhci_pci_runtime_pm_forbid(&pdev->dev); |
| 1884 | |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 1885 | for (i = 0; i < chip->num_slots; i++) |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1886 | sdhci_pci_remove_slot(chip->slots[i]); |
| 1887 | |
| 1888 | pci_set_drvdata(pdev, NULL); |
| 1889 | kfree(chip); |
| 1890 | } |
| 1891 | |
| 1892 | pci_disable_device(pdev); |
| 1893 | } |
| 1894 | |
| 1895 | static struct pci_driver sdhci_driver = { |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 1896 | .name = "sdhci-pci", |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1897 | .id_table = pci_ids, |
Ameya Palande | b177bc9 | 2011-04-05 21:13:13 +0300 | [diff] [blame] | 1898 | .probe = sdhci_pci_probe, |
Bill Pemberton | 0433c14 | 2012-11-19 13:20:26 -0500 | [diff] [blame] | 1899 | .remove = sdhci_pci_remove, |
Adrian Hunter | 66fd8ad | 2011-10-03 15:33:34 +0300 | [diff] [blame] | 1900 | .driver = { |
| 1901 | .pm = &sdhci_pci_pm_ops |
| 1902 | }, |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1903 | }; |
| 1904 | |
Sachin Kamat | acc6964 | 2012-08-27 11:57:02 +0530 | [diff] [blame] | 1905 | module_pci_driver(sdhci_driver); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1906 | |
Pierre Ossman | 32710e8 | 2009-04-08 20:14:54 +0200 | [diff] [blame] | 1907 | MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>"); |
Pierre Ossman | b8c86fc | 2008-03-18 17:35:49 +0100 | [diff] [blame] | 1908 | MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver"); |
| 1909 | MODULE_LICENSE("GPL"); |