From 5c4e6f1301649d5b29dd0f70e6da83e728ab5ca5 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Mon, 21 May 2007 20:23:20 +0200 Subject: mmc: detect SDIO cards Really basic init sequence for SDIO cards. Signed-off-by: Pierre Ossman --- include/linux/mmc/card.h | 2 ++ include/linux/mmc/core.h | 1 + include/linux/mmc/sdio.h | 19 +++++++++++++++++++ 3 files changed, 22 insertions(+) create mode 100644 include/linux/mmc/sdio.h (limited to 'include/linux') diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index badf702fcff..43480ebebf9 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -67,6 +67,7 @@ struct mmc_card { 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 @@ struct mmc_card { #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 29c98ae10af..8faa436c557 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -41,6 +41,7 @@ struct mmc_command { #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 00000000000..d1a0b15cdfd --- /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 + -- cgit v1.2.3