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path: root/drivers/mmc/host/sdhci-pci.c
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Diffstat (limited to 'drivers/mmc/host/sdhci-pci.c')
-rw-r--r--drivers/mmc/host/sdhci-pci.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 65483fdea45b..e0214316aedb 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -17,6 +17,7 @@
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
+#include <linux/device.h>
#include <linux/mmc/host.h>
@@ -84,7 +85,30 @@ 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;
+}
+
+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_SDMA;
+ return 0;
+}
+
+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;
}
@@ -95,6 +119,15 @@ static const struct sdhci_pci_fixes sdhci_ricoh = {
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,
@@ -374,6 +407,14 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
},
{
+ .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_ENE,
.device = PCI_DEVICE_ID_ENE_CB712_SD,
.subvendor = PCI_ANY_ID,