summaryrefslogtreecommitdiffstats
path: root/include/linux/mmc
diff options
context:
space:
mode:
authorPierre Ossman <drzeus@drzeus.cx>2006-12-24 22:46:55 +0100
committerPierre Ossman <drzeus@drzeus.cx>2007-05-01 13:04:18 +0200
commitda7fbe58d2d347e95af699ddf04d885be6362bbe (patch)
tree560df47c41bb64ace46f82f9fa5e2fabc8bafbab /include/linux/mmc
parentaaac1b470bd0dccb30912356617069dc6199cc80 (diff)
downloadop-kernel-dev-da7fbe58d2d347e95af699ddf04d885be6362bbe.zip
op-kernel-dev-da7fbe58d2d347e95af699ddf04d885be6362bbe.tar.gz
mmc: Separate out protocol ops
Move protocol operations and definitions into their own files in an effort to separate protocol handling and bus arbitration more clearly. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/core.h2
-rw-r--r--include/linux/mmc/mmc.h (renamed from include/linux/mmc/protocol.h)54
-rw-r--r--include/linux/mmc/sd.h83
3 files changed, 86 insertions, 53 deletions
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index d8fd66c..04bbe12f 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -101,7 +101,7 @@ struct mmc_card;
extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *);
extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
-extern int mmc_wait_for_app_cmd(struct mmc_host *, unsigned int,
+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 *, int);
diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/mmc.h
index 3ca91a6..e3ed9b9 100644
--- a/include/linux/mmc/protocol.h
+++ b/include/linux/mmc/mmc.h
@@ -22,8 +22,8 @@
* 15 May 2002
*/
-#ifndef MMC_MMC_PROTOCOL_H
-#define MMC_MMC_PROTOCOL_H
+#ifndef MMC_MMC_H
+#define MMC_MMC_H
/* Standard MMC commands (4.1) type argument response */
/* class 1 */
@@ -78,21 +78,6 @@
#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
-/* SD commands type argument response */
- /* class 0 */
-/* This is basically the same command as for MMC with some quirks. */
-#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */
-#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */
-
- /* class 10 */
-#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
-
- /* Application commands */
-#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
-#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
-#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
-#define SD_APP_SEND_SCR 51 /* adtc R1 */
-
/*
* MMC_SWITCH argument format:
*
@@ -105,27 +90,6 @@
*/
/*
- * SD_SWITCH argument format:
- *
- * [31] Check (0) or switch (1)
- * [30:24] Reserved (0)
- * [23:20] Function group 6
- * [19:16] Function group 5
- * [15:12] Function group 4
- * [11:8] Function group 3
- * [7:4] Function group 2
- * [3:0] Function group 1
- */
-
-/*
- * SD_SEND_IF_COND argument format:
- *
- * [31:12] Reserved (0)
- * [11:8] Host Voltage Supply Flags
- * [7:0] Check Pattern (0xAA)
- */
-
-/*
MMC status in R1
Type
e : error bit
@@ -289,19 +253,5 @@ struct _mmc_csd {
#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
-/*
- * SCR field definitions
- */
-
-#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
-#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
-#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */
-
-/*
- * SD bus widths
- */
-#define SD_BUS_WIDTH_1 0
-#define SD_BUS_WIDTH_4 2
-
#endif /* MMC_MMC_PROTOCOL_H */
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
new file mode 100644
index 0000000..f310062
--- /dev/null
+++ b/include/linux/mmc/sd.h
@@ -0,0 +1,83 @@
+/*
+ * include/linux/mmc/sd.h
+ *
+ * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef MMC_SD_H
+#define MMC_SD_H
+
+/* SD commands type argument response */
+ /* class 0 */
+/* This is basically the same command as for MMC with some quirks. */
+#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */
+#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */
+
+ /* class 10 */
+#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
+
+ /* Application commands */
+#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
+#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
+#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
+#define SD_APP_SEND_SCR 51 /* adtc R1 */
+
+/*
+ * SD_SWITCH argument format:
+ *
+ * [31] Check (0) or switch (1)
+ * [30:24] Reserved (0)
+ * [23:20] Function group 6
+ * [19:16] Function group 5
+ * [15:12] Function group 4
+ * [11:8] Function group 3
+ * [7:4] Function group 2
+ * [3:0] Function group 1
+ */
+
+/*
+ * SD_SEND_IF_COND argument format:
+ *
+ * [31:12] Reserved (0)
+ * [11:8] Host Voltage Supply Flags
+ * [7:0] Check Pattern (0xAA)
+ */
+
+/*
+ * SCR field definitions
+ */
+
+#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
+#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
+#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */
+
+/*
+ * SD bus widths
+ */
+#define SD_BUS_WIDTH_1 0
+#define SD_BUS_WIDTH_4 2
+
+/*
+ * SD_SWITCH mode
+ */
+#define SD_SWITCH_CHECK 0
+#define SD_SWITCH_SET 1
+
+/*
+ * SD_SWITCH function groups
+ */
+#define SD_SWITCH_GRP_ACCESS 0
+
+/*
+ * SD_SWITCH access modes
+ */
+#define SD_SWITCH_ACCESS_DEF 0
+#define SD_SWITCH_ACCESS_HS 1
+
+#endif
+
OpenPOWER on IntegriCloud