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authorSan Mehat <san@android.com>2008-04-14 15:22:49 -0700
committerArve Hjønnevåg <arve@android.com>2013-07-01 13:40:22 -0700
commitf4698fb7512dbe7af9286a999eb8b6e016fbc9eb (patch)
tree7aa7708dc393e4dd0d98510e7d80c2bfa75e0e7f /include
parentba290373028c894be81ea9b178cd94ced8d2f102 (diff)
mmc: Add concept of an 'embedded' SDIO device.
This is required to support chips which use SDIO for signaling/ communication but do not implement the various card enumeration registers as required for full SD / SDIO cards. mmc: sdio: Fix bug where we're freeing the CIS tables we never allocated when using EMBEDDED_SDIO mmc: Add max_blksize to embedded SDIO data Signed-off-by: San Mehat <san@google.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/amba/mmci.h10
-rw-r--r--include/linux/mmc/host.h17
-rw-r--r--include/linux/mmc/sdio_func.h8
3 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h
index 0926063bff9..9d1d9caf261 100644
--- a/include/linux/amba/mmci.h
+++ b/include/linux/amba/mmci.h
@@ -5,6 +5,15 @@
#define AMBA_MMCI_H
#include <linux/mmc/host.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/sdio_func.h>
+
+struct embedded_sdio_data {
+ struct sdio_cis cis;
+ struct sdio_cccr cccr;
+ struct sdio_embedded_func *funcs;
+ int num_funcs;
+};
/*
@@ -74,6 +83,7 @@ struct mmci_platform_data {
void *dma_rx_param;
void *dma_tx_param;
unsigned int status_irq;
+ struct embedded_sdio_data *embedded_sdio;
int (*register_status_notify)(void (*callback)(int card_present, void *dev_id), void *dev_id);
};
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index e326ae2882a..cb0f69a04e5 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -362,6 +362,15 @@ struct mmc_host {
unsigned int slotno; /* used for sdio acpi binding */
+#ifdef CONFIG_MMC_EMBEDDED_SDIO
+ struct {
+ struct sdio_cis *cis;
+ struct sdio_cccr *cccr;
+ struct sdio_embedded_func *funcs;
+ int num_funcs;
+ } embedded_sdio_data;
+#endif
+
unsigned long private[0] ____cacheline_aligned;
};
@@ -371,6 +380,14 @@ void mmc_remove_host(struct mmc_host *);
void mmc_free_host(struct mmc_host *);
void mmc_of_parse(struct mmc_host *host);
+#ifdef CONFIG_MMC_EMBEDDED_SDIO
+extern void mmc_set_embedded_sdio_data(struct mmc_host *host,
+ struct sdio_cis *cis,
+ struct sdio_cccr *cccr,
+ struct sdio_embedded_func *funcs,
+ int num_funcs);
+#endif
+
static inline void *mmc_priv(struct mmc_host *host)
{
return (void *)host->private;
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 50f0bc95232..54600e927b0 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -23,6 +23,14 @@ struct sdio_func;
typedef void (sdio_irq_handler_t)(struct sdio_func *);
/*
+ * Structure used to hold embedded SDIO device data from platform layer
+ */
+struct sdio_embedded_func {
+ uint8_t f_class;
+ uint32_t f_maxblksize;
+};
+
+/*
* SDIO function CIS tuple (unknown to the core)
*/
struct sdio_func_tuple {