summaryrefslogtreecommitdiff
path: root/firmware/export/sdmmc.h
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/export/sdmmc.h')
-rw-r--r--firmware/export/sdmmc.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/firmware/export/sdmmc.h b/firmware/export/sdmmc.h
new file mode 100644
index 0000000000..6ac3bd2af5
--- /dev/null
+++ b/firmware/export/sdmmc.h
@@ -0,0 +1,80 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2004 by Jens Arnold
+ *
+ * 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.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef __SDMMC_H__
+#define __SDMMC_H__
+
+#include <stdbool.h>
+
+typedef struct
+{
+ bool initialized;
+
+ unsigned long read_timeout; /* n * 8 clock cycles */
+ unsigned long write_timeout; /* n * 8 clock cycles */
+
+ unsigned long ocr; /* OCR register */
+ unsigned long csd[4]; /* CSD register, 16 bytes */
+ unsigned long cid[4]; /* CID register, 16 bytes */
+ unsigned long speed; /* bit/s */
+ unsigned int nsac; /* clock cycles */
+ unsigned long taac; /* n * 0.1 ns */
+ unsigned int r2w_factor;
+ unsigned long numblocks; /* size in flash blocks */
+ unsigned int blocksize; /* block size in bytes */
+
+#if (CONFIG_STORAGE & STORAGE_MMC)
+ unsigned char bitrate_register;
+#endif
+
+#if (CONFIG_STORAGE & STORAGE_SD)
+ unsigned long rca; /* RCA register */
+ unsigned int current_bank;
+#endif
+} tCardInfo;
+
+#if (CONFIG_STORAGE & STORAGE_SD)
+
+#include "sd.h"
+#define card_get_info card_get_info_target
+tCardInfo *card_get_info_target(int card_no);
+void sd_parse_csd(tCardInfo *card);
+
+#ifdef HAVE_HOTSWAP
+#define card_enable_monitoring card_enable_monitoring_target
+#endif
+
+#else /* STORAGE_MMC */
+
+#include "ata_mmc.h"
+#define card_get_info mmc_card_info
+tCardInfo *mmc_card_info(int card_no);
+#define card_touched mmc_touched
+#define card_enable_monitoring mmc_enable_monitoring
+
+#endif
+
+/* helper function to extract n (<=32) bits from an arbitrary position.
+ counting from MSB to LSB */
+unsigned long card_extract_bits(
+ const unsigned long *p, /* the start of the bitfield array */
+ unsigned int start, /* bit no. to start reading */
+ unsigned int size); /* how many bits to read */
+#endif