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>

3 files changed, 86 insertions, 53 deletions

diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index d8fd66c..04bbe12 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
+