100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
|
/****************************************************************************
|
||
|
|
****************************************************************************
|
||
|
|
***
|
||
|
|
*** This header was automatically generated from a Linux kernel header
|
||
|
|
*** of the same name, to make information necessary for userspace to
|
||
|
|
*** call into the kernel available to libc. It contains only constants,
|
||
|
|
*** structures, and macros generated from the original header, and thus,
|
||
|
|
*** contains no copyrightable information.
|
||
|
|
***
|
||
|
|
****************************************************************************
|
||
|
|
****************************************************************************/
|
||
|
|
#ifndef MMC_H
|
||
|
|
#define MMC_H
|
||
|
|
|
||
|
|
#include <linux/list.h>
|
||
|
|
#include <linux/interrupt.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
|
||
|
|
struct request;
|
||
|
|
struct mmc_data;
|
||
|
|
struct mmc_request;
|
||
|
|
|
||
|
|
struct mmc_command {
|
||
|
|
u32 opcode;
|
||
|
|
u32 arg;
|
||
|
|
u32 resp[4];
|
||
|
|
unsigned int flags;
|
||
|
|
#define MMC_RSP_PRESENT (1 << 0)
|
||
|
|
#define MMC_RSP_136 (1 << 1)
|
||
|
|
#define MMC_RSP_CRC (1 << 2)
|
||
|
|
#define MMC_RSP_BUSY (1 << 3)
|
||
|
|
#define MMC_RSP_OPCODE (1 << 4)
|
||
|
|
#define MMC_CMD_MASK (3 << 5)
|
||
|
|
#define MMC_CMD_AC (0 << 5)
|
||
|
|
#define MMC_CMD_ADTC (1 << 5)
|
||
|
|
#define MMC_CMD_BC (2 << 5)
|
||
|
|
#define MMC_CMD_BCR (3 << 5)
|
||
|
|
|
||
|
|
#define MMC_RSP_NONE (0)
|
||
|
|
#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
|
||
|
|
#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_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC)
|
||
|
|
|
||
|
|
#define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE))
|
||
|
|
|
||
|
|
#define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK)
|
||
|
|
|
||
|
|
unsigned int retries;
|
||
|
|
unsigned int error;
|
||
|
|
|
||
|
|
#define MMC_ERR_NONE 0
|
||
|
|
#define MMC_ERR_TIMEOUT 1
|
||
|
|
#define MMC_ERR_BADCRC 2
|
||
|
|
#define MMC_ERR_FIFO 3
|
||
|
|
#define MMC_ERR_FAILED 4
|
||
|
|
#define MMC_ERR_INVALID 5
|
||
|
|
|
||
|
|
struct mmc_data *data;
|
||
|
|
struct mmc_request *mrq;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mmc_data {
|
||
|
|
unsigned int timeout_ns;
|
||
|
|
unsigned int timeout_clks;
|
||
|
|
unsigned int blksz_bits;
|
||
|
|
unsigned int blksz;
|
||
|
|
unsigned int blocks;
|
||
|
|
unsigned int error;
|
||
|
|
unsigned int flags;
|
||
|
|
|
||
|
|
#define MMC_DATA_WRITE (1 << 8)
|
||
|
|
#define MMC_DATA_READ (1 << 9)
|
||
|
|
#define MMC_DATA_STREAM (1 << 10)
|
||
|
|
#define MMC_DATA_MULTI (1 << 11)
|
||
|
|
|
||
|
|
unsigned int bytes_xfered;
|
||
|
|
|
||
|
|
struct mmc_command *stop;
|
||
|
|
struct mmc_request *mrq;
|
||
|
|
|
||
|
|
unsigned int sg_len;
|
||
|
|
struct scatterlist *sg;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mmc_request {
|
||
|
|
struct mmc_command *cmd;
|
||
|
|
struct mmc_data *data;
|
||
|
|
struct mmc_command *stop;
|
||
|
|
|
||
|
|
void *done_data;
|
||
|
|
void (*done)(struct mmc_request *);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mmc_host;
|
||
|
|
struct mmc_card;
|
||
|
|
|
||
|
|
#endif
|