Release 4.7 drivers/mmc/host/sdhci-pci-core.c
/* linux/drivers/mmc/host/sdhci-pci.c - SDHCI on PCI bus interface
*
* Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* Thanks to the following companies for their support:
*
* - JMicron (hardware and technical support)
*/
#include <linux/delay.h>
#include <linux/highmem.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
#include <linux/scatterlist.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/pm_runtime.h>
#include <linux/mmc/slot-gpio.h>
#include <linux/mmc/sdhci-pci-data.h>
#include "sdhci.h"
#include "sdhci-pci.h"
#include "sdhci-pci-o2micro.h"
/*****************************************************************************\
* *
* Hardware specific quirk handling *
* *
\*****************************************************************************/
static int ricoh_probe(struct sdhci_pci_chip *chip)
{
if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG ||
chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY)
chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET;
return 0;
}
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static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->caps =
((0x21 << SDHCI_TIMEOUT_CLK_SHIFT)
& SDHCI_TIMEOUT_CLK_MASK) |
((0x21 << SDHCI_CLOCK_BASE_SHIFT)
& SDHCI_CLOCK_BASE_MASK) |
SDHCI_TIMEOUT_CLK_UNIT |
SDHCI_CAN_VDD_330 |
SDHCI_CAN_DO_HISPD |
SDHCI_CAN_DO_SDMA;
return 0;
}
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static int ricoh_mmc_resume(struct sdhci_pci_chip *chip)
{
/* Apply a delay to allow controller to settle */
/* Otherwise it becomes confused if card state changed
during suspend */
msleep(500);
return 0;
}
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static const struct sdhci_pci_fixes sdhci_ricoh = {
.probe = ricoh_probe,
.quirks = SDHCI_QUIRK_32BIT_DMA_ADDR |
SDHCI_QUIRK_FORCE_DMA |
SDHCI_QUIRK_CLOCK_BEFORE_RESET,
};
static const struct sdhci_pci_fixes sdhci_ricoh_mmc = {
.probe_slot = ricoh_mmc_probe_slot,
.resume = ricoh_mmc_resume,
.quirks = SDHCI_QUIRK_32BIT_DMA_ADDR |
SDHCI_QUIRK_CLOCK_BEFORE_RESET |
SDHCI_QUIRK_NO_CARD_NO_RESET |
SDHCI_QUIRK_MISSING_CAPS
};
static const struct sdhci_pci_fixes sdhci_ene_712 = {
.quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE |
SDHCI_QUIRK_BROKEN_DMA,
};
static const struct sdhci_pci_fixes sdhci_ene_714 = {
.quirks = SDHCI_QUIRK_SINGLE_POWER_WRITE |
SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS |
SDHCI_QUIRK_BROKEN_DMA,
};
static const struct sdhci_pci_fixes sdhci_cafe = {
.quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER |
SDHCI_QUIRK_NO_BUSY_IRQ |
SDHCI_QUIRK_BROKEN_CARD_DETECTION |
SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
};
static const struct sdhci_pci_fixes sdhci_intel_qrk = {
.quirks = SDHCI_QUIRK_NO_HISPD_BIT,
};
static int mrst_hc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA;
return 0;
}
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/*
* ADMA operation is disabled for Moorestown platform due to
* hardware bugs.
*/
static int mrst_hc_probe(struct sdhci_pci_chip *chip)
{
/*
* slots number is fixed here for MRST as SDIO3/5 are never used and
* have hardware bugs.
*/
chip->num_slots = 1;
return 0;
}
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static int pch_hc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA;
return 0;
}
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#ifdef CONFIG_PM
static irqreturn_t sdhci_pci_sd_cd(int irq, void *dev_id)
{
struct sdhci_pci_slot *slot = dev_id;
struct sdhci_host *host = slot->host;
mmc_detect_change(host->mmc, msecs_to_jiffies(200));
return IRQ_HANDLED;
}
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static void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot)
{
int err, irq, gpio = slot->cd_gpio;
slot->cd_gpio = -EINVAL;
slot->cd_irq = -EINVAL;
if (!gpio_is_valid(gpio))
return;
err = gpio_request(gpio, "sd_cd");
if (err < 0)
goto out;
err = gpio_direction_input(gpio);
if (err < 0)
goto out_free;
irq = gpio_to_irq(gpio);
if (irq < 0)
goto out_free;
err = request_irq(irq, sdhci_pci_sd_cd, IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING, "sd_cd", slot);
if (err)
goto out_free;
slot->cd_gpio = gpio;
slot->cd_irq = irq;
return;
out_free:
gpio_free(gpio);
out:
dev_warn(&slot->chip->pdev->dev, "failed to setup card detect wake up\n");
}
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static void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot)
{
if (slot->cd_irq >= 0)
free_irq(slot->cd_irq, slot);
if (gpio_is_valid(slot->cd_gpio))
gpio_free(slot->cd_gpio);
}
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#else
static inline void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot)
{
}
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static inline void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot)
{
}
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#endif
static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE;
slot->host->mmc->caps2 |= MMC_CAP2_BOOTPART_NOACC |
MMC_CAP2_HC_ERASE_SZ;
return 0;
}
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static int mfd_sdio_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE;
return 0;
}
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static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = {
.quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT,
.probe_slot = mrst_hc_probe_slot,
};
static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = {
.quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT,
.probe = mrst_hc_probe,
};
static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.allow_runtime_pm = true,
.own_cd_for_runtime_pm = true,
};
static const struct sdhci_pci_fixes sdhci_intel_mfd_sdio = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON,
.allow_runtime_pm = true,
.probe_slot = mfd_sdio_probe_slot,
};
static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.allow_runtime_pm = true,
.probe_slot = mfd_emmc_probe_slot,
};
static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = {
.quirks = SDHCI_QUIRK_BROKEN_ADMA,
.probe_slot = pch_hc_probe_slot,
};
static void sdhci_pci_int_hw_reset(struct sdhci_host *host)
{
u8 reg;
reg = sdhci_readb(host, SDHCI_POWER_CONTROL);
reg |= 0x10;
sdhci_writeb(host, reg, SDHCI_POWER_CONTROL);
/* For eMMC, minimum is 1us but give it 9us for good measure */
udelay(9);
reg &= ~0x10;
sdhci_writeb(host, reg, SDHCI_POWER_CONTROL);
/* For eMMC, minimum is 200us but give it 300us for good measure */
usleep_range(300, 1000);
}
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static int spt_select_drive_strength(struct sdhci_host *host,
struct mmc_card *card,
unsigned int max_dtr,
int host_drv, int card_drv, int *drv_type)
{
int drive_strength;
if (sdhci_pci_spt_drive_strength > 0)
drive_strength = sdhci_pci_spt_drive_strength & 0xf;
else
drive_strength = 0; /* Default 50-ohm */
if ((mmc_driver_type_mask(drive_strength) & card_drv) == 0)
drive_strength = 0; /* Default 50-ohm */
return drive_strength;
}
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/* Try to read the drive strength from the card */
static void spt_read_drive_strength(struct sdhci_host *host)
{
u32 val, i, t;
u16 m;
if (sdhci_pci_spt_drive_strength)
return;
sdhci_pci_spt_drive_strength = -1;
m = sdhci_readw(host, SDHCI_HOST_CONTROL2) & 0x7;
if (m != 3 && m != 5)
return;
val = sdhci_readl(host, SDHCI_PRESENT_STATE);
if (val & 0x3)
return;
sdhci_writel(host, 0x007f0023, SDHCI_INT_ENABLE);
sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE);
sdhci_writew(host, 0x10, SDHCI_TRANSFER_MODE);
sdhci_writeb(host, 0xe, SDHCI_TIMEOUT_CONTROL);
sdhci_writew(host, 512, SDHCI_BLOCK_SIZE);
sdhci_writew(host, 1, SDHCI_BLOCK_COUNT);
sdhci_writel(host, 0, SDHCI_ARGUMENT);
sdhci_writew(host, 0x83b, SDHCI_COMMAND);
for (i = 0; i < 1000; i++) {
val = sdhci_readl(host, SDHCI_INT_STATUS);
if (val & 0xffff8000)
return;
if (val & 0x20)
break;
udelay(1);
}
val = sdhci_readl(host, SDHCI_PRESENT_STATE);
if (!(val & 0x800))
return;
for (i = 0; i < 47; i++)
val = sdhci_readl(host, SDHCI_BUFFER);
t = val & 0xf00;
if (t != 0x200 && t != 0x300)
return;
sdhci_pci_spt_drive_strength = 0x10 | ((val >> 12) & 0xf);
}
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static int bxt_get_cd(struct mmc_host *mmc)
{
int gpio_cd = mmc_gpio_get_cd(mmc);
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
int ret = 0;
if (!gpio_cd)
return 0;
spin_lock_irqsave(&host->lock, flags);
if (host->flags & SDHCI_DEVICE_DEAD)
goto out;
ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
out:
spin_unlock_irqrestore(&host->lock, flags);
return ret;
}
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static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE |
MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR |
MMC_CAP_WAIT_WHILE_BUSY;
slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ;
slot->hw_reset = sdhci_pci_int_hw_reset;
if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BSW_EMMC)
slot->host->timeout_clk = 1000; /* 1000 kHz i.e. 1 MHz */
if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_SPT_EMMC) {
spt_read_drive_strength(slot->host);
slot->select_drive_strength = spt_select_drive_strength;
}
return 0;
}
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static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE |
MMC_CAP_WAIT_WHILE_BUSY;
return 0;
}
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static int byt_sd_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
slot->cd_con_id = NULL;
slot->cd_idx = 0;
slot->cd_override_level = true;
if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXT_SD ||
slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXTM_SD ||
slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_APL_SD) {
slot->host->mmc_host_ops.get_cd = bxt_get_cd;
slot->host->mmc->caps |= MMC_CAP_AGGRESSIVE_PM;
}
return 0;
}
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static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
.allow_runtime_pm = true,
.probe_slot = byt_emmc_probe_slot,
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400 |
SDHCI_QUIRK2_STOP_WITH_TC,
};
static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON |
SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
.allow_runtime_pm = true,
.probe_slot = byt_sdio_probe_slot,
};
static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
SDHCI_QUIRK2_STOP_WITH_TC,
.allow_runtime_pm = true,
.own_cd_for_runtime_pm = true,
.probe_slot = byt_sd_probe_slot,
};
/* Define Host controllers for Intel Merrifield platform */
#define INTEL_MRFL_EMMC_0 0
#define INTEL_MRFL_EMMC_1 1
static int intel_mrfl_mmc_probe_slot(struct sdhci_pci_slot *slot)
{
if ((PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_0) &&
(PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_1))
/* SD support is not ready yet */
return -ENODEV;
slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE |
MMC_CAP_1_8V_DDR;
return 0;
}
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static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_BROKEN_HS200 |
SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
.allow_runtime_pm = true,
.probe_slot = intel_mrfl_mmc_probe_slot,
};
/* O2Micro extra registers */
#define O2_SD_LOCK_WP 0xD3
#define O2_SD_MULTI_VCC3V 0xEE
#define O2_SD_CLKREQ 0xEC
#define O2_SD_CAPS 0xE0
#define O2_SD_ADMA1 0xE2
#define O2_SD_ADMA2 0xE7
#define O2_SD_INF_MOD 0xF1
static int jmicron_pmos(struct sdhci_pci_chip *chip, int on)
{
u8 scratch;
int ret;
ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch);
if (ret)
return ret;
/*
* Turn PMOS on [bit 0], set over current detection to 2.4 V
* [bit 1:2] and enable over current debouncing [bit 6].
*/
if (on)
scratch |= 0x47;
else
scratch &= ~0x47;
return pci_write_config_byte(chip->pdev, 0xAE, scratch);
}
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static int jmicron_probe(struct sdhci_pci_chip *chip)
{
int ret;
u16 mmcdev = 0;
if (chip->pdev->revision == 0) {
chip->quirks |= SDHCI_QUIRK_32BIT_DMA_ADDR |
SDHCI_QUIRK_32BIT_DMA_SIZE |
SDHCI_QUIRK_32BIT_ADMA_SIZE |
SDHCI_QUIRK_RESET_AFTER_REQUEST |
SDHCI_QUIRK_BROKEN_SMALL_PIO;
}
/*
* JMicron chips can have two interfaces to the same hardware
* in order to work around limitations in Microsoft's driver.
* We need to make sure we only bind to one of them.
*
* This code assumes two things:
*
* 1. The PCI code adds subfunctions in order.
*
* 2. The MMC interface has a lower subfunction number
* than the SD interface.
*/
if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_SD)
mmcdev = PCI_DEVICE_ID_JMICRON_JMB38X_MMC;
else if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD)
mmcdev = PCI_DEVICE_ID_JMICRON_JMB388_ESD;
if (mmcdev) {
struct pci_dev *sd_dev;
sd_dev = NULL;
while ((sd_dev = pci_get_device(PCI_VENDOR_ID_JMICRON,
mmcdev, sd_dev)) != NULL) {
if ((PCI_SLOT(chip->pdev->devfn) ==
PCI_SLOT(sd_dev->devfn)) &&
(chip->pdev->bus == sd_dev->bus))
break;
}
if (sd_dev) {
pci_dev_put(sd_dev);
dev_info(&chip->pdev->dev, "Refusing to bind to "
"secondary interface.\n");
return -ENODEV;
}
}
/*
* JMicron chips need a bit of a nudge to enable the power
* output pins.
*/
ret = jmicron_pmos(chip, 1);
if (ret) {
dev_err(&chip->pdev->dev, "Failure enabling card power\n");
return ret;
}
/* quirk for unsable RO-detection on JM388 chips */
if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_SD ||
chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD)
chip->quirks |= SDHCI_QUIRK_UNSTABLE_RO_DETECT;
return 0;
}
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static void jmicron_enable_mmc(struct sdhci_host *host, int on)
{
u8 scratch;
scratch = readb(host->ioaddr + 0xC0);
if (on)
scratch |= 0x01;
else
scratch &= ~0x01;
writeb(scratch, host->ioaddr + 0xC0);
}
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static int jmicron_probe_slot(struct sdhci_pci_slot *slot)
{
if (slot->chip->pdev->revision == 0) {
u16 version;
version = readl(slot->host->ioaddr + SDHCI_HOST_VERSION);
version = (version & SDHCI_VENDOR_VER_MASK) >>
SDHCI_VENDOR_VER_SHIFT;
/*
* Older versions of the chip have lots of nasty glitches
* in the ADMA engine. It's best just to avoid it
* completely.
*/
if (version < 0xAC)
slot->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA;
}
/* JM388 MMC doesn't support 1.8V while SD supports it */
if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) {
slot->host->ocr_avail_sd = MMC_VDD_32_33 | MMC_VDD_33_34 |
MMC_VDD_29_30 | MMC_VDD_30_31 |
MMC_VDD_165_195; /* allow 1.8V */
slot->host->ocr_avail_mmc = MMC_VDD_32_33 | MMC_VDD_33_34 |
MMC_VDD_29_30 | MMC_VDD_30_31; /* no 1.8V for MMC */
}
/*
* The secondary interface requires a bit set to get the
* interrupts.
*/
if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC ||
slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD)
jmicron_enable_mmc(slot->host, 1);
slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 91 | 57.59% | 2 | 50.00% |
| takashi iwai | takashi iwai | 67 | 42.41% | 2 | 50.00% |
| Total | 158 | 100.00% | 4 | 100.00% |
static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead)
{
if (dead)
return;
if (slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC ||
slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD)
jmicron_enable_mmc(slot->host, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 40 | 80.00% | 2 | 66.67% |
| takashi iwai | takashi iwai | 10 | 20.00% | 1 | 33.33% |
| Total | 50 | 100.00% | 3 | 100.00% |
static int jmicron_suspend(struct sdhci_pci_chip *chip)
{
int i;
if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC ||
chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) {
for (i = 0; i < chip->num_slots; i++)
jmicron_enable_mmc(chip->slots[i]->host, 0);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 58 | 87.88% | 1 | 50.00% |
| takashi iwai | takashi iwai | 8 | 12.12% | 1 | 50.00% |
| Total | 66 | 100.00% | 2 | 100.00% |
static int jmicron_resume(struct sdhci_pci_chip *chip)
{
int ret, i;
if (chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB38X_MMC ||
chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD) {
for (i = 0; i < chip->num_slots; i++)
jmicron_enable_mmc(chip->slots[i]->host, 1);
}
ret = jmicron_pmos(chip, 1);
if (ret) {
dev_err(&chip->pdev->dev, "Failure enabling card power\n");
return ret;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 90 | 91.84% | 2 | 66.67% |
| takashi iwai | takashi iwai | 8 | 8.16% | 1 | 33.33% |
| Total | 98 | 100.00% | 3 | 100.00% |
static const struct sdhci_pci_fixes sdhci_o2 = {
.probe = sdhci_pci_o2_probe,
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD,
.probe_slot = sdhci_pci_o2_probe_slot,
.resume = sdhci_pci_o2_resume,
};
static const struct sdhci_pci_fixes sdhci_jmicron = {
.probe = jmicron_probe,
.probe_slot = jmicron_probe_slot,
.remove_slot = jmicron_remove_slot,
.suspend = jmicron_suspend,
.resume = jmicron_resume,
};
/* SysKonnect CardBus2SDIO extra registers */
#define SYSKT_CTRL 0x200
#define SYSKT_RDFIFO_STAT 0x204
#define SYSKT_WRFIFO_STAT 0x208
#define SYSKT_POWER_DATA 0x20c
#define SYSKT_POWER_330 0xef
#define SYSKT_POWER_300 0xf8
#define SYSKT_POWER_184 0xcc
#define SYSKT_POWER_CMD 0x20d
#define SYSKT_POWER_START (1 << 7)
#define SYSKT_POWER_STATUS 0x20e
#define SYSKT_POWER_STATUS_OK (1 << 0)
#define SYSKT_BOARD_REV 0x210
#define SYSKT_CHIP_REV 0x211
#define SYSKT_CONF_DATA 0x212
#define SYSKT_CONF_DATA_1V8 (1 << 2)
#define SYSKT_CONF_DATA_2V5 (1 << 1)
#define SYSKT_CONF_DATA_3V3 (1 << 0)
static int syskt_probe(struct sdhci_pci_chip *chip)
{
if ((chip->pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) {
chip->pdev->class &= ~0x0000FF;
chip->pdev->class |= PCI_SDHCI_IFDMA;
}
return 0;
}
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| nicolas pitre | nicolas pitre | 47 | 100.00% | 1 | 100.00% |
| Total | 47 | 100.00% | 1 | 100.00% |
static int syskt_probe_slot(struct sdhci_pci_slot *slot)
{
int tm, ps;
u8 board_rev = readb(slot->host->ioaddr + SYSKT_BOARD_REV);
u8 chip_rev = readb(slot->host->ioaddr + SYSKT_CHIP_REV);
dev_info(&slot->chip->pdev->dev, "SysKonnect CardBus2SDIO, "
"board rev %d.%d, chip rev %d.%d\n",
board_rev >> 4, board_rev & 0xf,
chip_rev >> 4, chip_rev & 0xf);
if (chip_rev >= 0x20)
slot->host->quirks |= SDHCI_QUIRK_FORCE_DMA;
writeb(SYSKT_POWER_330, slot->host->ioaddr + SYSKT_POWER_DATA);
writeb(SYSKT_POWER_START, slot->host->ioaddr + SYSKT_POWER_CMD);
udelay(50);
tm = 10; /* Wait max 1 ms */
do {
ps = readw(slot->host->ioaddr + SYSKT_POWER_STATUS);
if (ps & SYSKT_POWER_STATUS_OK)
break;
udelay(100);
} while (--tm);
if (!tm) {
dev_err(&slot->chip->pdev->dev,
"power regulator never stabilized");
writeb(0, slot->host->ioaddr + SYSKT_POWER_CMD);
return -ENODEV;
}
return 0;
}
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| nicolas pitre | nicolas pitre | 200 | 100.00% | 1 | 100.00% |
| Total | 200 | 100.00% | 1 | 100.00% |
static const struct sdhci_pci_fixes sdhci_syskt = {
.quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER,
.probe = syskt_probe,
.probe_slot = syskt_probe_slot,
};
static int via_probe(struct sdhci_pci_chip *chip)
{
if (chip->pdev->revision == 0x10)
chip->quirks |= SDHCI_QUIRK_DELAY_AFTER_POWER;
return 0;
}
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| harald welte | harald welte | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
static const struct sdhci_pci_fixes sdhci_via = {
.probe = via_probe,
};
static int rtsx_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps2 |= MMC_CAP2_HS200;
return 0;
}
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| micky ching | micky ching | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
static const struct sdhci_pci_fixes sdhci_rtsx = {
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
SDHCI_QUIRK2_BROKEN_64_BIT_DMA |
SDHCI_QUIRK2_BROKEN_DDR50,
.probe_slot = rtsx_probe_slot,
};
/*AMD chipset generation*/
enum amd_chipset_gen {
AMD_CHIPSET_BEFORE_ML,
AMD_CHIPSET_CZ,
AMD_CHIPSET_NL,
AMD_CHIPSET_UNKNOWN,
};
static int amd_probe(struct sdhci_pci_chip *chip)
{
struct pci_dev *smbus_dev;
enum amd_chipset_gen gen;
smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL);
if (smbus_dev) {
gen = AMD_CHIPSET_BEFORE_ML;
} else {
smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, NULL);
if (smbus_dev) {
if (smbus_dev->revision < 0x51)
gen = AMD_CHIPSET_CZ;
else
gen = AMD_CHIPSET_NL;
} else {
gen = AMD_CHIPSET_UNKNOWN;
}
}
if ((gen == AMD_CHIPSET_BEFORE_ML) || (gen == AMD_CHIPSET_CZ)) {
chip->quirks2 |= SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD;
chip->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200;
}
return 0;
}
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| vincent wan | vincent wan | 116 | 100.00% | 3 | 100.00% |
| Total | 116 | 100.00% | 3 | 100.00% |
static const struct sdhci_pci_fixes sdhci_amd = {
.probe = amd_probe,
};
static const struct pci_device_id pci_ids[] = {
{
.vendor = PCI_VENDOR_ID_RICOH,
.device = PCI_DEVICE_ID_RICOH_R5C822,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_ricoh,
},
{
.vendor = PCI_VENDOR_ID_RICOH,
.device = 0x843,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc,
},
{
.vendor = PCI_VENDOR_ID_RICOH,
.device = 0xe822,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc,
},
{
.vendor = PCI_VENDOR_ID_RICOH,
.device = 0xe823,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_ricoh_mmc,
},
{
.vendor = PCI_VENDOR_ID_ENE,
.device = PCI_DEVICE_ID_ENE_CB712_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_ene_712,
},
{
.vendor = PCI_VENDOR_ID_ENE,
.device = PCI_DEVICE_ID_ENE_CB712_SD_2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_ene_712,
},
{
.vendor = PCI_VENDOR_ID_ENE,
.device = PCI_DEVICE_ID_ENE_CB714_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_ene_714,
},
{
.vendor = PCI_VENDOR_ID_ENE,
.device = PCI_DEVICE_ID_ENE_CB714_SD_2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_ene_714,
},
{
.vendor = PCI_VENDOR_ID_MARVELL,
.device = PCI_DEVICE_ID_MARVELL_88ALP01_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_cafe,
},
{
.vendor = PCI_VENDOR_ID_JMICRON,
.device = PCI_DEVICE_ID_JMICRON_JMB38X_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_jmicron,
},
{
.vendor = PCI_VENDOR_ID_JMICRON,
.device = PCI_DEVICE_ID_JMICRON_JMB38X_MMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_jmicron,
},
{
.vendor = PCI_VENDOR_ID_JMICRON,
.device = PCI_DEVICE_ID_JMICRON_JMB388_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_jmicron,
},
{
.vendor = PCI_VENDOR_ID_JMICRON,
.device = PCI_DEVICE_ID_JMICRON_JMB388_ESD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_jmicron,
},
{
.vendor = PCI_VENDOR_ID_SYSKONNECT,
.device = 0x8000,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_syskt,
},
{
.vendor = PCI_VENDOR_ID_VIA,
.device = 0x95d0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_via,
},
{
.vendor = PCI_VENDOR_ID_REALTEK,
.device = 0x5250,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_rtsx,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_QRK_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_qrk,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MRST_SD0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc0,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MRST_SD1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MRST_SD2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MFD_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MFD_SDIO1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MFD_SDIO2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MFD_EMMC0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MFD_EMMC1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_PCH_SDIO0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_PCH_SDIO1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BYT_EMMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BYT_SDIO,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BYT_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BYT_EMMC2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BSW_EMMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BSW_SDIO,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BSW_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_CLV_SDIO0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sd,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_CLV_SDIO1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_CLV_SDIO2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_CLV_EMMC0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_CLV_EMMC1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MRFL_MMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_mrfl_mmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_SPT_EMMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_SPT_SDIO,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_SPT_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_DNV_EMMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BXT_EMMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BXT_SDIO,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BXT_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BXTM_EMMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BXTM_SDIO,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BXTM_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_APL_EMMC,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_APL_SDIO,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio,
},
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_APL_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_8120,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_8220,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_8221,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_8320,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_8321,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_FUJIN2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_SDS0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_SDS1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_SEABIRD0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_O2,
.device = PCI_DEVICE_ID_O2_SEABIRD1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_o2,
},
{
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_ANY_ID,
.class = PCI_CLASS_SYSTEM_SDHCI << 8,
.class_mask = 0xFFFF00,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = (kernel_ulong_t)&sdhci_amd,
},
{ /* Generic SD host controller */
PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00)
},
{ /* end: all zeroes */ },
};
MODULE_DEVICE_TABLE(pci, pci_ids);
/*****************************************************************************\
* *
* SDHCI core callbacks *
* *
\*****************************************************************************/
static int sdhci_pci_enable_dma(struct sdhci_host *host)
{
struct sdhci_pci_slot *slot;
struct pci_dev *pdev;
slot = sdhci_priv(host);
pdev = slot->chip->pdev;
if (((pdev->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI << 8)) &&
((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) &&
(host->flags & SDHCI_USE_SDMA)) {
dev_warn(&pdev->dev, "Will use DMA mode even though HW "
"doesn't fully claim to support it.\n");
}
pci_set_master(pdev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 94 | 98.95% | 1 | 50.00% |
| richard rojfors | richard rojfors | 1 | 1.05% | 1 | 50.00% |
| Total | 95 | 100.00% | 2 | 100.00% |
static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width)
{
u8 ctrl;
ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
switch (width) {
case MMC_BUS_WIDTH_8:
ctrl |= SDHCI_CTRL_8BITBUS;
ctrl &= ~SDHCI_CTRL_4BITBUS;
break;
case MMC_BUS_WIDTH_4:
ctrl |= SDHCI_CTRL_4BITBUS;
ctrl &= ~SDHCI_CTRL_8BITBUS;
break;
default:
ctrl &= ~(SDHCI_CTRL_8BITBUS | SDHCI_CTRL_4BITBUS);
break;
}
sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| major lee | major lee | 76 | 97.44% | 1 | 50.00% |
| russell king | russell king | 2 | 2.56% | 1 | 50.00% |
| Total | 78 | 100.00% | 2 | 100.00% |
static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host)
{
struct sdhci_pci_slot *slot = sdhci_priv(host);
int rst_n_gpio = slot->rst_n_gpio;
if (!gpio_is_valid(rst_n_gpio))
return;
gpio_set_value_cansleep(rst_n_gpio, 0);
/* For eMMC, minimum is 1us but give it 10us for good measure */
udelay(10);
gpio_set_value_cansleep(rst_n_gpio, 1);
/* For eMMC, minimum is 200us but give it 300us for good measure */
usleep_range(300, 1000);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| adrian hunter | adrian hunter | 65 | 100.00% | 2 | 100.00% |
| Total | 65 | 100.00% | 2 | 100.00% |
static void sdhci_pci_hw_reset(struct sdhci_host *host)
{
struct sdhci_pci_slot *slot = sdhci_priv(host);
if (slot->hw_reset)
slot->hw_reset(host);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| adrian hunter | adrian hunter | 34 | 100.00% | 1 | 100.00% |
| Total | 34 | 100.00% | 1 | 100.00% |
static int sdhci_pci_select_drive_strength(struct sdhci_host *host,
struct mmc_card *card,
unsigned int max_dtr, int host_drv,
int card_drv, int *drv_type)
{
struct sdhci_pci_slot *slot = sdhci_priv(host);
if (!slot->select_drive_strength)
return 0;
return slot->select_drive_strength(host, card, max_dtr, host_drv,
card_drv, drv_type);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| adrian hunter | adrian hunter | 68 | 100.00% | 1 | 100.00% |
| Total | 68 | 100.00% | 1 | 100.00% |
static const struct sdhci_ops sdhci_pci_ops = {
.set_clock = sdhci_set_clock,
.enable_dma = sdhci_pci_enable_dma,
.set_bus_width = sdhci_pci_set_bus_width,
.reset = sdhci_reset,
.set_uhs_signaling = sdhci_set_uhs_signaling,
.hw_reset = sdhci_pci_hw_reset,
.select_drive_strength = sdhci_pci_select_drive_strength,
};
/*****************************************************************************\
* *
* Suspend/resume *
* *
\*****************************************************************************/
#ifdef CONFIG_PM
static int sdhci_pci_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
mmc_pm_flag_t slot_pm_flags;
mmc_pm_flag_t pm_flags = 0;
int i, ret;
chip = pci_get_drvdata(pdev);
if (!chip)
return 0;
for (i = 0; i < chip->num_slots; i++) {
slot = chip->slots[i];
if (!slot)
continue;
ret = sdhci_suspend_host(slot->host);
if (ret)
goto err_pci_suspend;
slot_pm_flags = slot->host->mmc->pm_flags;
if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ)
sdhci_enable_irq_wakeups(slot->host);
pm_flags |= slot_pm_flags;
}
if (chip->fixes && chip->fixes->suspend) {
ret = chip->fixes->suspend(chip);
if (ret)
goto err_pci_suspend;
}
if (pm_flags & MMC_PM_KEEP_POWER) {
if (pm_flags & MMC_PM_WAKE_SDIO_IRQ)
device_init_wakeup(dev, true);
else
device_init_wakeup(dev, false);
} else
device_init_wakeup(dev, false);
return 0;
err_pci_suspend:
while (--i >= 0)
sdhci_resume_host(chip->slots[i]->host);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 120 | 52.17% | 2 | 28.57% |
| nicolas pitre | nicolas pitre | 32 | 13.91% | 1 | 14.29% |
| axel lin | axel lin | 30 | 13.04% | 1 | 14.29% |
| daniel drake | daniel drake | 27 | 11.74% | 1 | 14.29% |
| manuel lauss | manuel lauss | 12 | 5.22% | 1 | 14.29% |
| chuanxiao dong | chuanxiao dong | 9 | 3.91% | 1 | 14.29% |
| Total | 230 | 100.00% | 7 | 100.00% |
static int sdhci_pci_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
int i, ret;
chip = pci_get_drvdata(pdev);
if (!chip)
return 0;
if (chip->fixes && chip->fixes->resume) {
ret = chip->fixes->resume(chip);
if (ret)
return ret;
}
for (i = 0; i < chip->num_slots; i++) {
slot = chip->slots[i];
if (!slot)
continue;
ret = sdhci_resume_host(slot->host);
if (ret)
return ret;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 122 | 91.04% | 2 | 66.67% |
| manuel lauss | manuel lauss | 12 | 8.96% | 1 | 33.33% |
| Total | 134 | 100.00% | 3 | 100.00% |
static int sdhci_pci_runtime_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
int i, ret;
chip = pci_get_drvdata(pdev);
if (!chip)
return 0;
for (i = 0; i < chip->num_slots; i++) {
slot = chip->slots[i];
if (!slot)
continue;
ret = sdhci_runtime_suspend_host(slot->host);
if (ret)
goto err_pci_runtime_suspend;
}
if (chip->fixes && chip->fixes->suspend) {
ret = chip->fixes->suspend(chip);
if (ret)
goto err_pci_runtime_suspend;
}
return 0;
err_pci_runtime_suspend:
while (--i >= 0)
sdhci_runtime_resume_host(chip->slots[i]->host);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| adrian hunter | adrian hunter | 141 | 89.24% | 1 | 33.33% |
| axel lin | axel lin | 16 | 10.13% | 1 | 33.33% |
| geliang tang | geliang tang | 1 | 0.63% | 1 | 33.33% |
| Total | 158 | 100.00% | 3 | 100.00% |
static int sdhci_pci_runtime_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
int i, ret;
chip = pci_get_drvdata(pdev);
if (!chip)
return 0;
if (chip->fixes && chip->fixes->resume) {
ret = chip->fixes->resume(chip);
if (ret)
return ret;
}
for (i = 0; i < chip->num_slots; i++) {
slot = chip->slots[i];
if (!slot)
continue;
ret = sdhci_runtime_resume_host(slot->host);
if (ret)
return ret;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| adrian hunter | adrian hunter | 133 | 99.25% | 1 | 50.00% |
| geliang tang | geliang tang | 1 | 0.75% | 1 | 50.00% |
| Total | 134 | 100.00% | 2 | 100.00% |
#else /* CONFIG_PM */
#define sdhci_pci_suspend NULL
#define sdhci_pci_resume NULL
#endif /* CONFIG_PM */
static const struct dev_pm_ops sdhci_pci_pm_ops = {
.suspend = sdhci_pci_suspend,
.resume = sdhci_pci_resume,
SET_RUNTIME_PM_OPS(sdhci_pci_runtime_suspend,
sdhci_pci_runtime_resume, NULL)
};
/*****************************************************************************\
* *
* Device probing/removal *
* *
\*****************************************************************************/
static struct sdhci_pci_slot *sdhci_pci_probe_slot(
struct pci_dev *pdev, struct sdhci_pci_chip *chip, int first_bar,
int slotno)
{
struct sdhci_pci_slot *slot;
struct sdhci_host *host;
int ret, bar = first_bar + slotno;
if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) {
dev_err(&pdev->dev, "BAR %d is not iomem. Aborting.\n", bar);
return ERR_PTR(-ENODEV);
}
if (pci_resource_len(pdev, bar) < 0x100) {
dev_err(&pdev->dev, "Invalid iomem size. You may "
"experience problems.\n");
}
if ((pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) {
dev_err(&pdev->dev, "Vendor specific interface. Aborting.\n");
return ERR_PTR(-ENODEV);
}
if ((pdev->class & 0x0000FF) > PCI_SDHCI_IFVENDOR) {
dev_err(&pdev->dev, "Unknown interface. Aborting.\n");
return ERR_PTR(-ENODEV);
}
host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot));
if (IS_ERR(host)) {
dev_err(&pdev->dev, "cannot allocate host\n");
return ERR_CAST(host);
}
slot = sdhci_priv(host);
slot->chip = chip;
slot->host = host;
slot->pci_bar = bar;
slot->rst_n_gpio = -EINVAL;
slot->cd_gpio = -EINVAL;
slot->cd_idx = -1;
/* Retrieve platform data if there is any */
if (*sdhci_pci_get_data)
slot->data = sdhci_pci_get_data(pdev, slotno);
if (slot->data) {
if (slot->data->setup) {
ret = slot->data->setup(slot->data);
if (ret) {
dev_err(&pdev->dev, "platform setup failed\n");
goto free;
}
}
slot->rst_n_gpio = slot->data->rst_n_gpio;
slot->cd_gpio = slot->data->cd_gpio;
}
host->hw_name = "PCI";
host->ops = &sdhci_pci_ops;
host->quirks = chip->quirks;
host->quirks2 = chip->quirks2;
host->irq = pdev->irq;
ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc));
if (ret) {
dev_err(&pdev->dev, "cannot request region\n");
goto cleanup;
}
host->ioaddr = pci_ioremap_bar(pdev, bar);
if (!host->ioaddr) {
dev_err(&pdev->dev, "failed to remap registers\n");
ret = -ENOMEM;
goto release;
}
if (chip->fixes && chip->fixes->probe_slot) {
ret = chip->fixes->probe_slot(slot);
if (ret)
goto unmap;
}
if (gpio_is_valid(slot->rst_n_gpio)) {
if (!gpio_request(slot->rst_n_gpio, "eMMC_reset")) {
gpio_direction_output(slot->rst_n_gpio, 1);
slot->host->mmc->caps |= MMC_CAP_HW_RESET;
slot->hw_reset = sdhci_pci_gpio_hw_reset;
} else {
dev_warn(&pdev->dev, "failed to request rst_n_gpio\n");
slot->rst_n_gpio = -EINVAL;
}
}
host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ;
host->mmc->slotno = slotno;
host->mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP;
if (slot->cd_idx >= 0 &&
mmc_gpiod_request_cd(host->mmc, slot->cd_con_id, slot->cd_idx,
slot->cd_override_level, 0, NULL)) {
dev_warn(&pdev->dev, "failed to setup card detect gpio\n");
slot->cd_idx = -1;
}
ret = sdhci_add_host(host);
if (ret)
goto remove;
sdhci_pci_add_own_cd(slot);
/*
* Check if the chip needs a separate GPIO for card detect to wake up
* from runtime suspend. If it is not there, don't allow runtime PM.
* Note sdhci_pci_add_own_cd() sets slot->cd_gpio to -EINVAL on failure.
*/
if (chip->fixes && chip->fixes->own_cd_for_runtime_pm &&
!gpio_is_valid(slot->cd_gpio) && slot->cd_idx < 0)
chip->allow_runtime_pm = false;
return slot;
remove:
if (gpio_is_valid(slot->rst_n_gpio))
gpio_free(slot->rst_n_gpio);
if (chip->fixes && chip->fixes->remove_slot)
chip->fixes->remove_slot(slot, 0);
unmap:
iounmap(host->ioaddr);
release:
pci_release_region(pdev, bar);
cleanup:
if (slot->data && slot->data->cleanup)
slot->data->cleanup(slot->data);
free:
sdhci_free_host(host);
return ERR_PTR(ret);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 402 | 51.67% | 3 | 15.79% |
| adrian hunter | adrian hunter | 335 | 43.06% | 10 | 52.63% |
| dan carpenter | dan carpenter | 16 | 2.06% | 1 | 5.26% |
| nicolas pitre | nicolas pitre | 10 | 1.29% | 1 | 5.26% |
| aaron lu | aaron lu | 8 | 1.03% | 1 | 5.26% |
| chris ball | chris ball | 5 | 0.64% | 1 | 5.26% |
| arjan van de ven | arjan van de ven | 1 | 0.13% | 1 | 5.26% |
| julia lawall | julia lawall | 1 | 0.13% | 1 | 5.26% |
| Total | 778 | 100.00% | 19 | 100.00% |
static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot)
{
int dead;
u32 scratch;
sdhci_pci_remove_own_cd(slot);
dead = 0;
scratch = readl(slot->host->ioaddr + SDHCI_INT_STATUS);
if (scratch == (u32)-1)
dead = 1;
sdhci_remove_host(slot->host, dead);
if (gpio_is_valid(slot->rst_n_gpio))
gpio_free(slot->rst_n_gpio);
if (slot->chip->fixes && slot->chip->fixes->remove_slot)
slot->chip->fixes->remove_slot(slot, dead);
if (slot->data && slot->data->cleanup)
slot->data->cleanup(slot->data);
pci_release_region(slot->chip->pdev, slot->pci_bar);
sdhci_free_host(slot->host);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 106 | 70.67% | 3 | 60.00% |
| adrian hunter | adrian hunter | 44 | 29.33% | 2 | 40.00% |
| Total | 150 | 100.00% | 5 | 100.00% |
static void sdhci_pci_runtime_pm_allow(struct device *dev)
{
pm_runtime_put_noidle(dev);
pm_runtime_allow(dev);
pm_runtime_set_autosuspend_delay(dev, 50);
pm_runtime_use_autosuspend(dev);
pm_suspend_ignore_children(dev, 1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| adrian hunter | adrian hunter | 40 | 100.00% | 1 | 100.00% |
| Total | 40 | 100.00% | 1 | 100.00% |
static void sdhci_pci_runtime_pm_forbid(struct device *dev)
{
pm_runtime_forbid(dev);
pm_runtime_get_noresume(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| adrian hunter | adrian hunter | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
static int sdhci_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
u8 slots, first_bar;
int ret, i;
BUG_ON(pdev == NULL);
BUG_ON(ent == NULL);
dev_info(&pdev->dev, "SDHCI controller found [%04x:%04x] (rev %x)\n",
(int)pdev->vendor, (int)pdev->device, (int)pdev->revision);
ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots);
if (ret)
return ret;
slots = PCI_SLOT_INFO_SLOTS(slots) + 1;
dev_dbg(&pdev->dev, "found %d slot(s)\n", slots);
if (slots == 0)
return -ENODEV;
BUG_ON(slots > MAX_SLOTS);
ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar);
if (ret)
return ret;
first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK;
if (first_bar > 5) {
dev_err(&pdev->dev, "Invalid first BAR. Aborting.\n");
return -ENODEV;
}
ret = pci_enable_device(pdev);
if (ret)
return ret;
chip = kzalloc(sizeof(struct sdhci_pci_chip), GFP_KERNEL);
if (!chip) {
ret = -ENOMEM;
goto err;
}
chip->pdev = pdev;
chip->fixes = (const struct sdhci_pci_fixes *)ent->driver_data;
if (chip->fixes) {
chip->quirks = chip->fixes->quirks;
chip->quirks2 = chip->fixes->quirks2;
chip->allow_runtime_pm = chip->fixes->allow_runtime_pm;
}
chip->num_slots = slots;
pci_set_drvdata(pdev, chip);
if (chip->fixes && chip->fixes->probe) {
ret = chip->fixes->probe(chip);
if (ret)
goto free;
}
slots = chip->num_slots; /* Quirk may have changed this */
for (i = 0; i < slots; i++) {
slot = sdhci_pci_probe_slot(pdev, chip, first_bar, i);
if (IS_ERR(slot)) {
for (i--; i >= 0; i--)
sdhci_pci_remove_slot(chip->slots[i]);
ret = PTR_ERR(slot);
goto free;
}
chip->slots[i] = slot;
}
if (chip->allow_runtime_pm)
sdhci_pci_runtime_pm_allow(&pdev->dev);
return 0;
free:
pci_set_drvdata(pdev, NULL);
kfree(chip);
err:
pci_disable_device(pdev);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 408 | 89.67% | 2 | 25.00% |
| adrian hunter | adrian hunter | 37 | 8.13% | 4 | 50.00% |
| alan cox | alan cox | 7 | 1.54% | 1 | 12.50% |
| sergei shtylyov | sergei shtylyov | 3 | 0.66% | 1 | 12.50% |
| Total | 455 | 100.00% | 8 | 100.00% |
static void sdhci_pci_remove(struct pci_dev *pdev)
{
int i;
struct sdhci_pci_chip *chip;
chip = pci_get_drvdata(pdev);
if (chip) {
if (chip->allow_runtime_pm)
sdhci_pci_runtime_pm_forbid(&pdev->dev);
for (i = 0; i < chip->num_slots; i++)
sdhci_pci_remove_slot(chip->slots[i]);
pci_set_drvdata(pdev, NULL);
kfree(chip);
}
pci_disable_device(pdev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pierre ossman | pierre ossman | 74 | 84.09% | 1 | 50.00% |
| adrian hunter | adrian hunter | 14 | 15.91% | 1 | 50.00% |
| Total | 88 | 100.00% | 2 | 100.00% |
static struct pci_driver sdhci_driver = {
.name = "sdhci-pci",
.id_table = pci_ids,
.probe = sdhci_pci_probe,
.remove = sdhci_pci_remove,
.driver = {
.pm = &sdhci_pci_pm_ops
},
};
module_pci_driver(sdhci_driver);
MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>");
MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver");
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| adrian hunter | adrian hunter | 2691 | 34.41% | 33 | 30.56% |
| pierre ossman | pierre ossman | 2395 | 30.63% | 11 | 10.19% |
| nicolas pitre | nicolas pitre | 412 | 5.27% | 2 | 1.85% |
| alan cox | alan cox | 214 | 2.74% | 3 | 2.78% |
| takashi iwai | takashi iwai | 209 | 2.67% | 3 | 2.78% |
| jennifer li | jennifer li | 196 | 2.51% | 1 | 0.93% |
| vincent wan | vincent wan | 185 | 2.37% | 3 | 2.78% |
| adam lee | adam lee | 182 | 2.33% | 3 | 2.78% |
| xiaochen shen | xiaochen shen | 176 | 2.25% | 1 | 0.93% |
| eric ernst | eric ernst | 155 | 1.98% | 1 | 0.93% |
| maxim levitsky | maxim levitsky | 130 | 1.66% | 1 | 0.93% |
| david cohen | david cohen | 128 | 1.64% | 2 | 1.85% |
| major lee | major lee | 108 | 1.38% | 1 | 0.93% |
| alexander stein | alexander stein | 104 | 1.33% | 1 | 0.93% |
| micky ching | micky ching | 77 | 0.98% | 2 | 1.85% |
| harald welte | harald welte | 74 | 0.95% | 1 | 0.93% |
| axel lin | axel lin | 46 | 0.59% | 1 | 0.93% |
| derek browne | derek browne | 44 | 0.56% | 1 | 0.93% |
| jacob pan | jacob pan | 36 | 0.46% | 1 | 0.93% |
| manuel lauss | manuel lauss | 33 | 0.42% | 1 | 0.93% |
| manoj iyer | manoj iyer | 31 | 0.40% | 1 | 0.93% |
| pablo castillo | pablo castillo | 31 | 0.40% | 1 | 0.93% |
| daniel drake | daniel drake | 29 | 0.37% | 2 | 1.85% |
| russell king | russell king | 19 | 0.24% | 4 | 3.70% |
| dan carpenter | dan carpenter | 16 | 0.20% | 1 | 0.93% |
| rafael j. wysocki | rafael j. wysocki | 13 | 0.17% | 1 | 0.93% |
| chris ball | chris ball | 13 | 0.17% | 2 | 1.85% |
| yunpeng gao | yunpeng gao | 11 | 0.14% | 2 | 1.85% |
| chuanxiao dong | chuanxiao dong | 9 | 0.12% | 1 | 0.93% |
| aaron lu | aaron lu | 8 | 0.10% | 1 | 0.93% |
| peter griffin | peter griffin | 8 | 0.10% | 1 | 0.93% |
| maurice petallo | maurice petallo | 7 | 0.09% | 2 | 1.85% |
| vasily khoruzhick | vasily khoruzhick | 4 | 0.05% | 1 | 0.93% |
| sergei shtylyov | sergei shtylyov | 3 | 0.04% | 1 | 0.93% |
| paul gortmaker | paul gortmaker | 3 | 0.04% | 1 | 0.93% |
| tejun heo | tejun heo | 3 | 0.04% | 1 | 0.93% |
| andres salomon | andres salomon | 2 | 0.03% | 1 | 0.93% |
| geliang tang | geliang tang | 2 | 0.03% | 1 | 0.93% |
| sachin kamat | sachin kamat | 2 | 0.03% | 1 | 0.93% |
| ameya palande | ameya palande | 2 | 0.03% | 1 | 0.93% |
| madhvapathi sriram | madhvapathi sriram | 2 | 0.03% | 1 | 0.93% |
| kbuild test robot | kbuild test robot | 1 | 0.01% | 1 | 0.93% |
| julia lawall | julia lawall | 1 | 0.01% | 1 | 0.93% |
| ulf hansson | ulf hansson | 1 | 0.01% | 1 | 0.93% |
| richard rojfors | richard rojfors | 1 | 0.01% | 1 | 0.93% |
| lars-peter clausen | lars-peter clausen | 1 | 0.01% | 1 | 0.93% |
| david woodhouse | david woodhouse | 1 | 0.01% | 1 | 0.93% |
| arjan van de ven | arjan van de ven | 1 | 0.01% | 1 | 0.93% |
| bill pemberton | bill pemberton | | 0.00% | 0 | 0.00% |
| Total | 7820 | 100.00% | 108 | 100.00% |
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