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authorNicolas Pitre <nico@cam.org>2007-06-30 16:29:41 +0200
committerPierre Ossman <drzeus@drzeus.cx>2007-09-23 21:01:33 +0200
commitd1496c39e500857b8949cdb91af24e0eb8aae4d0 (patch)
tree020ef1ee2fefc2000e07d47ff4d7bf3d0a0ebf5e /include/linux/mmc
parent2342f3323c9a76367a1d7f9a35525ee3cb3911df (diff)
sdio: core support for SDIO function interrupt
Signed-off-by: Nicolas Pitre <npitre@mvista.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/host.h4
-rw-r--r--include/linux/mmc/sdio_func.h7
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 8e2642ebf02..00dc1809494 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -123,6 +123,10 @@ struct mmc_host {
unsigned int bus_refs; /* reference counter */
unsigned int bus_dead:1; /* bus has been released */
+ unsigned int sdio_irqs;
+ struct task_struct *sdio_irq_thread;
+ atomic_t sdio_irq_thread_abort;
+
unsigned long private[0] ____cacheline_aligned;
};
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 8106d399c41..a8d268c9c27 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -16,6 +16,9 @@
#include <linux/mod_devicetable.h>
struct mmc_card;
+struct sdio_func;
+
+typedef void (sdio_irq_handler_t)(struct sdio_func *);
/*
* SDIO function CIS tuple (unknown to the core)
@@ -33,6 +36,7 @@ struct sdio_func_tuple {
struct sdio_func {
struct mmc_card *card; /* the card this device belongs to */
struct device dev; /* the device */
+ sdio_irq_handler_t *irq_handler; /* IRQ callback */
unsigned int num; /* function number */
unsigned char class; /* standard interface class */
@@ -105,6 +109,9 @@ extern void sdio_release_host(struct sdio_func *func);
extern int sdio_enable_func(struct sdio_func *func);
extern int sdio_disable_func(struct sdio_func *func);
+extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler);
+extern int sdio_release_irq(struct sdio_func *func);
+
extern unsigned char sdio_readb(struct sdio_func *func,
unsigned int addr, int *err_ret);