mmc: detect SDIO cards
Really basic init sequence for SDIO cards.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index badf702..43480eb 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -67,6 +67,7 @@
unsigned int type; /* card type */
#define MMC_TYPE_MMC 0 /* MMC card */
#define MMC_TYPE_SD 1 /* SD card */
+#define MMC_TYPE_SDIO 2 /* SDIO card */
unsigned int state; /* (our) card state */
#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
#define MMC_STATE_READONLY (1<<1) /* card is read-only */
@@ -84,6 +85,7 @@
#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
+#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
#define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 29c98ae..8faa436 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -41,6 +41,7 @@
#define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY)
#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
#define MMC_RSP_R3 (MMC_RSP_PRESENT)
+#define MMC_RSP_R4 (MMC_RSP_PRESENT)
#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h
new file mode 100644
index 0000000..d1a0b15
--- /dev/null
+++ b/include/linux/mmc/sdio.h
@@ -0,0 +1,19 @@
+/*
+ * include/linux/mmc/sdio.h
+ *
+ * Copyright 2006-2007 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
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef MMC_SDIO_H
+#define MMC_SDIO_H
+
+/* SDIO commands type argument response */
+#define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */
+
+#endif
+