From d1496c39e500857b8949cdb91af24e0eb8aae4d0 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Sat, 30 Jun 2007 16:29:41 +0200 Subject: sdio: core support for SDIO function interrupt Signed-off-by: Nicolas Pitre Signed-off-by: Pierre Ossman --- include/linux/mmc/host.h | 4 ++++ include/linux/mmc/sdio_func.h | 7 +++++++ 2 files changed, 11 insertions(+) (limited to 'include/linux') diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 8e2642ebf02f..00dc1809494c 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 8106d399c414..a8d268c9c276 100644 --- a/include/linux/mmc/sdio_func.h +++ b/include/linux/mmc/sdio_func.h @@ -16,6 +16,9 @@ #include 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); -- cgit v1.2.3