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path: root/drivers/fmc/fmc-core.c
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Diffstat (limited to 'drivers/fmc/fmc-core.c')
-rw-r--r--drivers/fmc/fmc-core.c95
1 files changed, 90 insertions, 5 deletions
diff --git a/drivers/fmc/fmc-core.c b/drivers/fmc/fmc-core.c
index 353fc546fb08..cec3b8db0d69 100644
--- a/drivers/fmc/fmc-core.c
+++ b/drivers/fmc/fmc-core.c
@@ -13,6 +13,9 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/fmc.h>
+#include <linux/fmc-sdb.h>
+
+#include "fmc-private.h"
static int fmc_check_version(unsigned long version, const char *name)
{
@@ -118,6 +121,61 @@ static struct bin_attribute fmc_eeprom_attr = {
.write = fmc_write_eeprom,
};
+int fmc_irq_request(struct fmc_device *fmc, irq_handler_t h,
+ char *name, int flags)
+{
+ if (fmc->op->irq_request)
+ return fmc->op->irq_request(fmc, h, name, flags);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_irq_request);
+
+void fmc_irq_free(struct fmc_device *fmc)
+{
+ if (fmc->op->irq_free)
+ fmc->op->irq_free(fmc);
+}
+EXPORT_SYMBOL(fmc_irq_free);
+
+void fmc_irq_ack(struct fmc_device *fmc)
+{
+ if (likely(fmc->op->irq_ack))
+ fmc->op->irq_ack(fmc);
+}
+EXPORT_SYMBOL(fmc_irq_ack);
+
+int fmc_validate(struct fmc_device *fmc, struct fmc_driver *drv)
+{
+ if (fmc->op->validate)
+ return fmc->op->validate(fmc, drv);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_validate);
+
+int fmc_gpio_config(struct fmc_device *fmc, struct fmc_gpio *gpio, int ngpio)
+{
+ if (fmc->op->gpio_config)
+ return fmc->op->gpio_config(fmc, gpio, ngpio);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_gpio_config);
+
+int fmc_read_ee(struct fmc_device *fmc, int pos, void *d, int l)
+{
+ if (fmc->op->read_ee)
+ return fmc->op->read_ee(fmc, pos, d, l);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_read_ee);
+
+int fmc_write_ee(struct fmc_device *fmc, int pos, const void *d, int l)
+{
+ if (fmc->op->write_ee)
+ return fmc->op->write_ee(fmc, pos, d, l);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_write_ee);
+
/*
* Functions for client modules follow
*/
@@ -141,7 +199,8 @@ EXPORT_SYMBOL(fmc_driver_unregister);
* When a device set is registered, all eeproms must be read
* and all FRUs must be parsed
*/
-int fmc_device_register_n(struct fmc_device **devs, int n)
+int fmc_device_register_n_gw(struct fmc_device **devs, int n,
+ struct fmc_gateware *gw)
{
struct fmc_device *fmc, **devarray;
uint32_t device_id;
@@ -221,6 +280,21 @@ int fmc_device_register_n(struct fmc_device **devs, int n)
else
dev_set_name(&fmc->dev, "%s-%04x", fmc->mezzanine_name,
device_id);
+
+ if (gw) {
+ /*
+ * The carrier already know the bitstream to load
+ * for this set of FMC mezzanines.
+ */
+ ret = fmc->op->reprogram_raw(fmc, NULL,
+ gw->bitstream, gw->len);
+ if (ret) {
+ dev_warn(fmc->hwdev,
+ "Invalid gateware for FMC mezzanine\n");
+ goto out;
+ }
+ }
+
ret = device_add(&fmc->dev);
if (ret < 0) {
dev_err(fmc->hwdev, "Slot %i: Failed in registering "
@@ -234,18 +308,16 @@ int fmc_device_register_n(struct fmc_device **devs, int n)
}
/* This device went well, give information to the user */
fmc_dump_eeprom(fmc);
- fmc_dump_sdb(fmc);
+ fmc_debug_init(fmc);
}
return 0;
out1:
device_del(&fmc->dev);
out:
- fmc_free_id_info(fmc);
- put_device(&fmc->dev);
-
kfree(devarray);
for (i--; i >= 0; i--) {
+ fmc_debug_exit(devs[i]);
sysfs_remove_bin_file(&devs[i]->dev.kobj, &fmc_eeprom_attr);
device_del(&devs[i]->dev);
fmc_free_id_info(devs[i]);
@@ -254,8 +326,20 @@ out:
return ret;
}
+EXPORT_SYMBOL(fmc_device_register_n_gw);
+
+int fmc_device_register_n(struct fmc_device **devs, int n)
+{
+ return fmc_device_register_n_gw(devs, n, NULL);
+}
EXPORT_SYMBOL(fmc_device_register_n);
+int fmc_device_register_gw(struct fmc_device *fmc, struct fmc_gateware *gw)
+{
+ return fmc_device_register_n_gw(&fmc, 1, gw);
+}
+EXPORT_SYMBOL(fmc_device_register_gw);
+
int fmc_device_register(struct fmc_device *fmc)
{
return fmc_device_register_n(&fmc, 1);
@@ -273,6 +357,7 @@ void fmc_device_unregister_n(struct fmc_device **devs, int n)
kfree(devs[0]->devarray);
for (i = 0; i < n; i++) {
+ fmc_debug_exit(devs[i]);
sysfs_remove_bin_file(&devs[i]->dev.kobj, &fmc_eeprom_attr);
device_del(&devs[i]->dev);
fmc_free_id_info(devs[i]);