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FMC Bus
Commit ce2ad8ad authored by Alessandro Rubini's avatar Alessandro Rubini
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fmc: new irq-related operations

parent cd263d0d
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Showing with 15 additions and 5 deletions
doc/fmc-bus.in
View file @ ce2ad8ad
......@@ -185,7 +185,10 @@ struct fmc_operations {
uint32_t (*readl)(struct fmc_device *d, int offset);
void (*writel)(struct fmc_device *d, int offset, uint32_t value);
int (*reprogram)(struct fmc_device *d, void *data, int len);
int (*irq_request)(struct fmc_device *d, irq_handler_t h,
char *name, int flags);
void (*irq_ack)(struct fmc_device *d);
int (*irq_free)(struct fmc_device *d);
int (*read_ee)(struct fmc_device *d, int pos, void *data, int len);
int (*write_ee)(struct fmc_device *d, int pos, void *data, int len);
};
......@@ -216,12 +219,15 @@ The individual methods perform the following tasks:
carrier will reprogram the golden binary -- which will happen
after @i{remove} time in any case.
@item irq_ack
@item irq_request
@itemx irq_ack
@itemx irq_free
Interrupt acknowledge is carrier-specific, so it is abstracted
as an operation. Interrupts on the other hand are expected to be
reported by normal host means, at the IRQ number stated in the
device structure.
Interrupt management is carrier-specific, so it is abstracted
as operations. The interrupt number is listed in the device
structure, but it's only informative for the mezzanine driver.
The handler will receive the @i{fmc} pointer as @i{dev_id}; the
@i{flags} argument is still to be defined.
@item read_ee
@itemx write_ee
......
kernel/include/linux/fmc.h
View file @ ce2ad8ad
......@@ -11,6 +11,7 @@
#define __LINUX_FMC_H__
#include <linux/types.h>
#include <linux/device.h>
#include <linux/interrupt.h>
struct fmc_device;
struct fmc_driver;
......@@ -35,7 +36,10 @@ struct fmc_operations {
uint32_t (*readl)(struct fmc_device *d, int offset);
void (*writel)(struct fmc_device *d, int offset, uint32_t value);
int (*reprogram)(struct fmc_device *d, void *data, int len);
int (*irq_request)(struct fmc_device *d, irq_handler_t h,
char *name, int flags);
void (*irq_ack)(struct fmc_device *d);
int (*irq_free)(struct fmc_device *d);
int (*read_ee)(struct fmc_device *d, int pos, void *data, int len);
int (*write_ee)(struct fmc_device *d, int pos, void *data, int len);
};
......
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