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path: root/drivers/mmc/host/sdhci-pci-core.c
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Diffstat (limited to 'drivers/mmc/host/sdhci-pci-core.c')
-rw-r--r--drivers/mmc/host/sdhci-pci-core.c98
1 files changed, 92 insertions, 6 deletions
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 1d9e00a..1a72d32 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -27,6 +27,7 @@
#include <linux/pm_runtime.h>
#include <linux/mmc/slot-gpio.h>
#include <linux/mmc/sdhci-pci-data.h>
+#include <linux/acpi.h>
#include "sdhci.h"
#include "sdhci-pci.h"
@@ -375,6 +376,44 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
return 0;
}
+#ifdef CONFIG_ACPI
+static int ni_set_max_freq(struct sdhci_pci_slot *slot)
+{
+ acpi_status status;
+ unsigned long long max_freq;
+
+ status = acpi_evaluate_integer(ACPI_HANDLE(&slot->chip->pdev->dev),
+ "MXFQ", NULL, &max_freq);
+ if (ACPI_FAILURE(status)) {
+ dev_err(&slot->chip->pdev->dev,
+ "MXFQ not found in acpi table\n");
+ return -EINVAL;
+ }
+
+ slot->host->mmc->f_max = max_freq * 1000000;
+
+ return 0;
+}
+#else
+static inline int ni_set_max_freq(struct sdhci_pci_slot *slot)
+{
+ return 0;
+}
+#endif
+
+static int ni_byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
+{
+ int err;
+
+ err = ni_set_max_freq(slot);
+ if (err)
+ return err;
+
+ slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE |
+ MMC_CAP_WAIT_WHILE_BUSY;
+ return 0;
+}
+
static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE |
@@ -390,7 +429,8 @@ static int byt_sd_probe_slot(struct sdhci_pci_slot *slot)
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->chip->pdev->device == PCI_DEVICE_ID_INTEL_APL_SD ||
+ slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_GLK_SD) {
slot->host->mmc_host_ops.get_cd = bxt_get_cd;
slot->host->mmc->caps |= MMC_CAP_AGGRESSIVE_PM;
}
@@ -447,6 +487,15 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
.ops = &sdhci_intel_byt_ops,
};
+static const struct sdhci_pci_fixes sdhci_ni_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 = ni_byt_sdio_probe_slot,
+ .ops = &sdhci_intel_byt_ops,
+};
+
static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON |
@@ -1079,6 +1128,14 @@ static const struct pci_device_id pci_ids[] = {
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_BYT_SDIO,
+ .subvendor = PCI_VENDOR_ID_NI,
+ .subdevice = 0x7884,
+ .driver_data = (kernel_ulong_t)&sdhci_ni_byt_sdio,
+ },
+
+ {
+ .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,
@@ -1277,6 +1334,30 @@ static const struct pci_device_id pci_ids[] = {
},
{
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_GLK_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_GLK_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_GLK_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,
@@ -1735,11 +1816,16 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
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;
+ if (slot->cd_idx >= 0) {
+ ret = mmc_gpiod_request_cd(host->mmc, slot->cd_con_id, slot->cd_idx,
+ slot->cd_override_level, 0, NULL);
+ if (ret == -EPROBE_DEFER)
+ goto remove;
+
+ if (ret) {
+ dev_warn(&pdev->dev, "failed to setup card detect gpio\n");
+ slot->cd_idx = -1;
+ }
}
ret = sdhci_add_host(host);
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