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authorDavid S. Miller <davem@davemloft.net>2008-07-18 13:39:39 +0400
committerDavid S. Miller <davem@davemloft.net>2008-07-18 13:39:39 +0400
commit49997d75152b3d23c53b0fa730599f2f74c92c65 (patch)
tree46e93126170d02cfec9505172e545732c1b69656 /include/linux/mmc
parenta0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
downloadlinux-49997d75152b3d23c53b0fa730599f2f74c92c65.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/core.h1
-rw-r--r--include/linux/mmc/host.h32
-rw-r--r--include/linux/mmc/mmc.h1
-rw-r--r--include/linux/mmc/sdio_func.h21
4 files changed, 39 insertions, 16 deletions
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index d0c3abed74c2..143cebf0586f 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -135,6 +135,7 @@ extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
struct mmc_command *, int);
extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *);
+extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int);
extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
extern void mmc_release_host(struct mmc_host *host);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 7ab962fa1d73..10a2080086ca 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -51,8 +51,30 @@ struct mmc_ios {
struct mmc_host_ops {
void (*request)(struct mmc_host *host, struct mmc_request *req);
+ /*
+ * Avoid calling these three functions too often or in a "fast path",
+ * since underlaying controller might implement them in an expensive
+ * and/or slow way.
+ *
+ * Also note that these functions might sleep, so don't call them
+ * in the atomic contexts!
+ *
+ * Return values for the get_ro callback should be:
+ * 0 for a read/write card
+ * 1 for a read-only card
+ * -ENOSYS when not supported (equal to NULL callback)
+ * or a negative errno value when something bad happened
+ *
+ * Return values for the get_ro callback should be:
+ * 0 for a absent card
+ * 1 for a present card
+ * -ENOSYS when not supported (equal to NULL callback)
+ * or a negative errno value when something bad happened
+ */
void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
int (*get_ro)(struct mmc_host *host);
+ int (*get_cd)(struct mmc_host *host);
+
void (*enable_sdio_irq)(struct mmc_host *host, int enable);
};
@@ -89,11 +111,11 @@ struct mmc_host {
unsigned long caps; /* Host capabilities */
#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_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 */
+#define MMC_CAP_MMC_HIGHSPEED (1 << 1) /* Can do MMC high-speed timing */
+#define MMC_CAP_SD_HIGHSPEED (1 << 2) /* Can do SD high-speed timing */
+#define MMC_CAP_SDIO_IRQ (1 << 3) /* Can signal pending SDIO IRQs */
+#define MMC_CAP_SPI (1 << 4) /* Talks only SPI protocols */
+#define MMC_CAP_NEEDS_POLL (1 << 5) /* Needs polling for card-detection */
/* host specific block data */
unsigned int max_seg_size; /* see blk_queue_max_segment_size */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 4236fbf0b6fb..14b81f3e5232 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -16,7 +16,6 @@
* Based strongly on code by:
*
* Author: Yong-iL Joh <tolkien@mizi.com>
- * Date : $Date: 2002/06/18 12:37:30 $
*
* Author: Andrew Christian
* 15 May 2002
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index b050f4d7b41f..07bee4a0d457 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -1,7 +1,7 @@
/*
* include/linux/mmc/sdio_func.h
*
- * Copyright 2007 Pierre Ossman
+ * Copyright 2007-2008 Pierre Ossman
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -46,6 +46,8 @@ struct sdio_func {
unsigned max_blksize; /* maximum block size */
unsigned cur_blksize; /* current block size */
+ unsigned enable_timeout; /* max enable timeout in msec */
+
unsigned int state; /* function state */
#define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */
@@ -120,23 +122,22 @@ extern int sdio_set_block_size(struct sdio_func *func, unsigned blksz);
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);
-extern unsigned short sdio_readw(struct sdio_func *func,
- unsigned int addr, int *err_ret);
-extern unsigned long sdio_readl(struct sdio_func *func,
- unsigned int addr, int *err_ret);
+extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz);
+
+extern u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret);
+extern u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret);
+extern u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret);
extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst,
unsigned int addr, int count);
extern int sdio_readsb(struct sdio_func *func, void *dst,
unsigned int addr, int count);
-extern void sdio_writeb(struct sdio_func *func, unsigned char b,
+extern void sdio_writeb(struct sdio_func *func, u8 b,
unsigned int addr, int *err_ret);
-extern void sdio_writew(struct sdio_func *func, unsigned short b,
+extern void sdio_writew(struct sdio_func *func, u16 b,
unsigned int addr, int *err_ret);
-extern void sdio_writel(struct sdio_func *func, unsigned long b,
+extern void sdio_writel(struct sdio_func *func, u32 b,
unsigned int addr, int *err_ret);
extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,