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authorPierre Ossman <drzeus@drzeus.cx>2008-03-23 19:33:23 +0100
committerPierre Ossman <drzeus@drzeus.cx>2008-07-15 14:14:39 +0200
commit22606405894a3ca5796eb4454a4b83af611fd201 (patch)
tree00349f16c75184bd7bd11bd22e87176883f65805 /drivers/mmc/host
parent3815a0ebab678c20d0d9c66af5ee9e68807b6681 (diff)
sdhci: more complex quirks handling
Extend the quirks handling in the PCI driver to be able to have callbacks and not just flags. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/sdhci-pci.c129
1 files changed, 86 insertions, 43 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 51798ec5644..5094fe80576 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -38,21 +38,82 @@
#define MAX_SLOTS 8
-static const struct pci_device_id pci_ids[] __devinitdata = {
- {
- .vendor = PCI_VENDOR_ID_RICOH,
- .device = PCI_DEVICE_ID_RICOH_R5C822,
- .subvendor = PCI_VENDOR_ID_IBM,
- .subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_CLOCK_BEFORE_RESET,
- },
+struct sdhci_pci_chip;
+
+struct sdhci_pci_fixes {
+ unsigned int quirks;
+
+ int (*probe)(struct sdhci_pci_chip*);
+};
+
+struct sdhci_pci_slot {
+ struct sdhci_pci_chip *chip;
+ struct sdhci_host *host;
+ int pci_bar;
+};
+
+struct sdhci_pci_chip {
+ struct pci_dev *pdev;
+
+ unsigned int quirks;
+ const struct sdhci_pci_fixes *fixes;
+
+ int num_slots; /* Slots on controller */
+ struct sdhci_pci_slot *slots[MAX_SLOTS]; /* Pointers to host slots */
+};
+
+
+/*****************************************************************************\
+ * *
+ * Hardware specific quirk handling *
+ * *
+\*****************************************************************************/
+
+static int ricoh_probe(struct sdhci_pci_chip *chip)
+{
+ if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
+ chip->quirks |= SDHCI_QUIRK_CLOCK_BEFORE_RESET;
+
+ if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG)
+ chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET;
+
+ return 0;
+}
+
+static const struct sdhci_pci_fixes sdhci_ricoh = {
+ .probe = ricoh_probe,
+};
+
+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_INCR_TIMEOUT_CONTROL,
+};
+
+static const struct sdhci_pci_fixes sdhci_jmicron = {
+ .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR |
+ SDHCI_QUIRK_32BIT_DMA_SIZE |
+ SDHCI_QUIRK_RESET_AFTER_REQUEST,
+};
+
+static const struct pci_device_id pci_ids[] __devinitdata = {
{
.vendor = PCI_VENDOR_ID_RICOH,
.device = PCI_DEVICE_ID_RICOH_R5C822,
- .subvendor = PCI_VENDOR_ID_SAMSUNG,
+ .subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_NO_CARD_NO_RESET,
+ .driver_data = (kernel_ulong_t)&sdhci_ricoh,
},
{
@@ -60,8 +121,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
.device = PCI_DEVICE_ID_ENE_CB712_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_SINGLE_POWER_WRITE |
- SDHCI_QUIRK_BROKEN_DMA,
+ .driver_data = (kernel_ulong_t)&sdhci_ene_712,
},
{
@@ -69,8 +129,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
.device = PCI_DEVICE_ID_ENE_CB712_SD_2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_SINGLE_POWER_WRITE |
- SDHCI_QUIRK_BROKEN_DMA,
+ .driver_data = (kernel_ulong_t)&sdhci_ene_712,
},
{
@@ -78,9 +137,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
.device = PCI_DEVICE_ID_ENE_CB714_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_SINGLE_POWER_WRITE |
- SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS |
- SDHCI_QUIRK_BROKEN_DMA,
+ .driver_data = (kernel_ulong_t)&sdhci_ene_714,
},
{
@@ -88,9 +145,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
.device = PCI_DEVICE_ID_ENE_CB714_SD_2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_SINGLE_POWER_WRITE |
- SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS |
- SDHCI_QUIRK_BROKEN_DMA,
+ .driver_data = (kernel_ulong_t)&sdhci_ene_714,
},
{
@@ -98,8 +153,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
.device = PCI_DEVICE_ID_MARVELL_CAFE_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER |
- SDHCI_QUIRK_INCR_TIMEOUT_CONTROL,
+ .driver_data = (kernel_ulong_t)&sdhci_cafe,
},
{
@@ -107,9 +161,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
.device = PCI_DEVICE_ID_JMICRON_JMB38X_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_32BIT_DMA_ADDR |
- SDHCI_QUIRK_32BIT_DMA_SIZE |
- SDHCI_QUIRK_RESET_AFTER_REQUEST,
+ .driver_data = (kernel_ulong_t)&sdhci_jmicron,
},
{ /* Generic SD host controller */
@@ -121,23 +173,6 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
MODULE_DEVICE_TABLE(pci, pci_ids);
-struct sdhci_pci_chip;
-
-struct sdhci_pci_slot {
- struct sdhci_pci_chip *chip;
- struct sdhci_host *host;
-
- int pci_bar;
-};
-
-struct sdhci_pci_chip {
- struct pci_dev *pdev;
- unsigned int quirks;
-
- int num_slots; /* Slots on controller */
- struct sdhci_pci_slot *slots[MAX_SLOTS]; /* Pointers to host slots */
-};
-
/*****************************************************************************\
* *
* SDHCI core callbacks *
@@ -389,11 +424,19 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev,
}
chip->pdev = pdev;
- chip->quirks = ent->driver_data;
+ chip->fixes = (const struct sdhci_pci_fixes*)ent->driver_data;
+ if (chip->fixes)
+ chip->quirks = chip->fixes->quirks;
chip->num_slots = slots;
pci_set_drvdata(pdev, chip);
+ if (chip->fixes && chip->fixes->probe) {
+ ret = chip->fixes->probe(chip);
+ if (ret)
+ goto free;
+ }
+
for (i = 0;i < slots;i++) {
slot = sdhci_pci_probe_slot(pdev, chip, first_bar + i);
if (IS_ERR(slot)) {