#ifndef LINUX_MMC_HOST_H
#define LINUX_MMC_HOST_H
+#include <linux/leds.h>
+
#include <linux/mmc/core.h>
struct mmc_ios {
void (*request)(struct mmc_host *host, struct mmc_request *req);
void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
int (*get_ro)(struct mmc_host *host);
+ void (*enable_sdio_irq)(struct mmc_host *host, int enable);
};
struct mmc_card;
#define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */
#define MMC_CAP_MULTIWRITE (1 << 1) /* Can accurately report bytes sent to card on error */
-#define MMC_CAP_BYTEBLOCK (1 << 2) /* Can do non-log2 block sizes */
-#define MMC_CAP_MMC_HIGHSPEED (1 << 3) /* Can do MMC high-speed timing */
-#define MMC_CAP_SD_HIGHSPEED (1 << 4) /* Can do SD high-speed timing */
+#define MMC_CAP_MMC_HIGHSPEED (1 << 2) /* Can do MMC high-speed timing */
+#define MMC_CAP_SD_HIGHSPEED (1 << 3) /* Can do SD high-speed timing */
+#define MMC_CAP_SDIO_IRQ (1 << 4) /* Can signal pending SDIO IRQs */
+#define MMC_CAP_SPI (1 << 5) /* Talks only SPI protocols */
/* host specific block data */
unsigned int max_seg_size; /* see blk_queue_max_segment_size */
struct mmc_ios ios; /* current io bus settings */
u32 ocr; /* the current OCR setting */
+ /* group bitfields together to minimize padding */
+ unsigned int use_spi_crc:1;
+ unsigned int claimed:1; /* host exclusively claimed */
+ unsigned int bus_dead:1; /* bus has been released */
+#ifdef CONFIG_MMC_DEBUG
+ unsigned int removed:1; /* host is being removed */
+#endif
+
unsigned int mode; /* current card mode of host */
#define MMC_MODE_MMC 0
#define MMC_MODE_SD 1
struct mmc_card *card; /* device attached to this host */
wait_queue_head_t wq;
- unsigned int claimed:1; /* host exclusively claimed */
struct delayed_work detect;
-#ifdef CONFIG_MMC_DEBUG
- unsigned int removed:1; /* host is being removed */
-#endif
const struct mmc_bus_ops *bus_ops; /* current bus driver */
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;
+
+#ifdef CONFIG_LEDS_TRIGGERS
+ struct led_trigger *led; /* activity led */
+#endif
unsigned long private[0] ____cacheline_aligned;
};
return (void *)host->private;
}
+#define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI)
+
#define mmc_dev(x) ((x)->parent)
#define mmc_classdev(x) (&(x)->class_dev)
#define mmc_hostname(x) ((x)->class_dev.bus_id)
extern void mmc_detect_change(struct mmc_host *, unsigned long delay);
extern void mmc_request_done(struct mmc_host *, struct mmc_request *);
+static inline void mmc_signal_sdio_irq(struct mmc_host *host)
+{
+ host->ops->enable_sdio_irq(host, 0);
+ wake_up_process(host->sdio_irq_thread);
+}
+
#endif