From: Pierre Ossman <drzeus-list@drzeus.cx>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Russell King <rmk+lkml@arm.linux.org.uk>
Subject: [PATCH 1/2] Proper MMC command classes support
Date: Wed, 18 May 2005 00:14:51 +0200 [thread overview]
Message-ID: <428A6CDB.7060600@drzeus.cx> (raw)
In-Reply-To: <428A6C3A.40505@drzeus.cx>
[-- Attachment #1: Type: text/plain, Size: 137 bytes --]
Defines for the different command classes as defined in the MMC and SD
specifications.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
[-- Attachment #2: mmc-ccc.patch --]
[-- Type: text/x-patch, Size: 1548 bytes --]
Index: linux-wbsd/include/linux/mmc/protocol.h
===================================================================
--- linux-wbsd/include/linux/mmc/protocol.h (revision 134)
+++ linux-wbsd/include/linux/mmc/protocol.h (working copy)
@@ -209,6 +209,33 @@
#define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
#define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 */
+/*
+ * Card Command Classes (CCC)
+ */
+#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
+ /* (CMD0,1,2,3,4,7,9,10,12,13,15) */
+#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
+ /* (CMD11) */
+#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
+ /* (CMD16,17,18) */
+#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
+ /* (CMD20) */
+#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
+ /* (CMD16,24,25,26,27) */
+#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
+ /* (CMD32,33,34,35,36,37,38,39) */
+#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
+ /* (CMD28,29,30) */
+#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
+ /* (CMD16,CMD42) */
+#define CCC_APP_SPEC (1<<8) /* (8) Application specific */
+ /* (CMD55,56,57,ACMD*) */
+#define CCC_IO_MODE (1<<9) /* (9) I/O mode */
+ /* (CMD5,39,40,52,53) */
+#define CCC_SWITCH (1<<10) /* (10) High speed switch */
+ /* (CMD6,34,35,36,37,50) */
+ /* (11) Reserved */
+ /* (CMD?) */
/*
* SD bus widths
next prev parent reply other threads:[~2005-05-17 22:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-17 22:12 [PATCH 0/2] Proper MMC command classes support Pierre Ossman
2005-05-17 22:14 ` Pierre Ossman [this message]
2005-05-17 22:19 ` [PATCH 2/2] " Pierre Ossman
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