[linux.git] / include / linux / memstick.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  Sony MemoryStick support
 *
 *  Copyright (C) 2007 Alex Dubov <[email protected]>
 */

#ifndef _MEMSTICK_H
#define _MEMSTICK_H

#include <linux/workqueue.h>
#include <linux/scatterlist.h>
#include <linux/device.h>

/*** Hardware based structures ***/

struct ms_status_register {
	unsigned char reserved;
	unsigned char interrupt;
#define MEMSTICK_INT_CMDNAK 0x01
#define MEMSTICK_INT_IOREQ  0x08
#define MEMSTICK_INT_IOBREQ 0x10
#define MEMSTICK_INT_BREQ   0x20
#define MEMSTICK_INT_ERR    0x40
#define MEMSTICK_INT_CED    0x80

	unsigned char status0;
#define MEMSTICK_STATUS0_WP  0x01
#define MEMSTICK_STATUS0_SL  0x02
#define MEMSTICK_STATUS0_BF  0x10
#define MEMSTICK_STATUS0_BE  0x20
#define MEMSTICK_STATUS0_FB0 0x40
#define MEMSTICK_STATUS0_MB  0x80

	unsigned char status1;
#define MEMSTICK_STATUS1_UCFG 0x01
#define MEMSTICK_STATUS1_FGER 0x02
#define MEMSTICK_STATUS1_UCEX 0x04
#define MEMSTICK_STATUS1_EXER 0x08
#define MEMSTICK_STATUS1_UCDT 0x10
#define MEMSTICK_STATUS1_DTER 0x20
#define MEMSTICK_STATUS1_FB1  0x40
#define MEMSTICK_STATUS1_MB   0x80
} __attribute__((packed));

struct ms_id_register {
	unsigned char type;
	unsigned char if_mode;
	unsigned char category;
	unsigned char class;
} __attribute__((packed));

struct ms_param_register {
	unsigned char system;
#define MEMSTICK_SYS_PAM  0x08
#define MEMSTICK_SYS_BAMD 0x80

	unsigned char block_address_msb;
	unsigned short block_address;
	unsigned char cp;
#define MEMSTICK_CP_BLOCK     0x00
#define MEMSTICK_CP_PAGE      0x20
#define MEMSTICK_CP_EXTRA     0x40
#define MEMSTICK_CP_OVERWRITE 0x80

	unsigned char page_address;
} __attribute__((packed));

struct ms_extra_data_register {
	unsigned char  overwrite_flag;
#define MEMSTICK_OVERWRITE_UDST  0x10
#define MEMSTICK_OVERWRITE_PGST1 0x20
#define MEMSTICK_OVERWRITE_PGST0 0x40
#define MEMSTICK_OVERWRITE_BKST  0x80

	unsigned char  management_flag;
#define MEMSTICK_MANAGEMENT_SYSFLG 0x04
#define MEMSTICK_MANAGEMENT_ATFLG  0x08
#define MEMSTICK_MANAGEMENT_SCMS1  0x10
#define MEMSTICK_MANAGEMENT_SCMS0  0x20

	unsigned short logical_address;
} __attribute__((packed));

struct ms_register {
	struct ms_status_register     status;
	struct ms_id_register         id;
	unsigned char                 reserved[8];
	struct ms_param_register      param;
	struct ms_extra_data_register extra_data;
} __attribute__((packed));

struct mspro_param_register {
	unsigned char  system;
#define MEMSTICK_SYS_PAR4   0x00
#define MEMSTICK_SYS_PAR8   0x40
#define MEMSTICK_SYS_SERIAL 0x80

	__be16 data_count;
	__be32 data_address;
	unsigned char  tpc_param;
} __attribute__((packed));

struct mspro_io_info_register {
	unsigned char version;
	unsigned char io_category;
	unsigned char current_req;
	unsigned char card_opt_info;
	unsigned char rdy_wait_time;
} __attribute__((packed));

struct mspro_io_func_register {
	unsigned char func_enable;
	unsigned char func_select;
	unsigned char func_intmask;
	unsigned char transfer_mode;
} __attribute__((packed));

struct mspro_io_cmd_register {
	unsigned short tpc_param;
	unsigned short data_count;
	unsigned int   data_address;
} __attribute__((packed));

struct mspro_register {
	struct ms_status_register     status;
	struct ms_id_register         id;
	unsigned char                 reserved0[8];
	struct mspro_param_register   param;
	unsigned char                 reserved1[8];
	struct mspro_io_info_register io_info;
	struct mspro_io_func_register io_func;
	unsigned char                 reserved2[7];
	struct mspro_io_cmd_register  io_cmd;
	unsigned char                 io_int;
	unsigned char                 io_int_func;
} __attribute__((packed));

struct ms_register_addr {
	unsigned char r_offset;
	unsigned char r_length;
	unsigned char w_offset;
	unsigned char w_length;
} __attribute__((packed));

enum memstick_tpc {
	MS_TPC_READ_MG_STATUS   = 0x01,
	MS_TPC_READ_LONG_DATA   = 0x02,
	MS_TPC_READ_SHORT_DATA  = 0x03,
	MS_TPC_READ_MG_DATA     = 0x03,
	MS_TPC_READ_REG         = 0x04,
	MS_TPC_READ_QUAD_DATA   = 0x05,
	MS_TPC_READ_IO_DATA     = 0x05,
	MS_TPC_GET_INT          = 0x07,
	MS_TPC_SET_RW_REG_ADRS  = 0x08,
	MS_TPC_EX_SET_CMD       = 0x09,
	MS_TPC_WRITE_QUAD_DATA  = 0x0a,
	MS_TPC_WRITE_IO_DATA    = 0x0a,
	MS_TPC_WRITE_REG        = 0x0b,
	MS_TPC_WRITE_SHORT_DATA = 0x0c,
	MS_TPC_WRITE_MG_DATA    = 0x0c,
	MS_TPC_WRITE_LONG_DATA  = 0x0d,
	MS_TPC_SET_CMD          = 0x0e
};

enum memstick_command {
	MS_CMD_BLOCK_END       = 0x33,
	MS_CMD_RESET           = 0x3c,
	MS_CMD_BLOCK_WRITE     = 0x55,
	MS_CMD_SLEEP           = 0x5a,
	MS_CMD_BLOCK_ERASE     = 0x99,
	MS_CMD_BLOCK_READ      = 0xaa,
	MS_CMD_CLEAR_BUF       = 0xc3,
	MS_CMD_FLASH_STOP      = 0xcc,
	MS_CMD_LOAD_ID         = 0x60,
	MS_CMD_CMP_ICV         = 0x7f,
	MSPRO_CMD_FORMAT       = 0x10,
	MSPRO_CMD_SLEEP        = 0x11,
	MSPRO_CMD_WAKEUP       = 0x12,
	MSPRO_CMD_READ_DATA    = 0x20,
	MSPRO_CMD_WRITE_DATA   = 0x21,
	MSPRO_CMD_READ_ATRB    = 0x24,
	MSPRO_CMD_STOP         = 0x25,
	MSPRO_CMD_ERASE        = 0x26,
	MSPRO_CMD_READ_QUAD    = 0x27,
	MSPRO_CMD_WRITE_QUAD   = 0x28,
	MSPRO_CMD_SET_IBD      = 0x46,
	MSPRO_CMD_GET_IBD      = 0x47,
	MSPRO_CMD_IN_IO_DATA   = 0xb0,
	MSPRO_CMD_OUT_IO_DATA  = 0xb1,
	MSPRO_CMD_READ_IO_ATRB = 0xb2,
	MSPRO_CMD_IN_IO_FIFO   = 0xb3,
	MSPRO_CMD_OUT_IO_FIFO  = 0xb4,
	MSPRO_CMD_IN_IOM       = 0xb5,
	MSPRO_CMD_OUT_IOM      = 0xb6,
};

/*** Driver structures and functions ***/

enum memstick_param { MEMSTICK_POWER = 1, MEMSTICK_INTERFACE };

#define MEMSTICK_POWER_OFF 0
#define MEMSTICK_POWER_ON  1

#define MEMSTICK_SERIAL   0
#define MEMSTICK_PAR4     1
#define MEMSTICK_PAR8     2

struct memstick_host;
struct memstick_driver;

struct memstick_device_id {
	unsigned char match_flags;
#define MEMSTICK_MATCH_ALL            0x01

	unsigned char type;
#define MEMSTICK_TYPE_LEGACY          0xff
#define MEMSTICK_TYPE_DUO             0x00
#define MEMSTICK_TYPE_PRO             0x01

	unsigned char category;
#define MEMSTICK_CATEGORY_STORAGE     0xff
#define MEMSTICK_CATEGORY_STORAGE_DUO 0x00
#define MEMSTICK_CATEGORY_IO          0x01
#define MEMSTICK_CATEGORY_IO_PRO      0x10

	unsigned char class;
#define MEMSTICK_CLASS_FLASH          0xff
#define MEMSTICK_CLASS_DUO            0x00
#define MEMSTICK_CLASS_ROM            0x01
#define MEMSTICK_CLASS_RO             0x02
#define MEMSTICK_CLASS_WP             0x03
};

struct memstick_request {
	unsigned char tpc;
	unsigned char data_dir:1,
		      need_card_int:1,
		      long_data:1;
	unsigned char int_reg;
	int           error;
	union {
		struct scatterlist sg;
		struct {
			unsigned char data_len;
			unsigned char data[15];
		};
	};
};

struct memstick_dev {
	struct memstick_device_id id;
	struct memstick_host     *host;
	struct ms_register_addr  reg_addr;
	struct completion        mrq_complete;
	struct memstick_request  current_mrq;

	/* Check that media driver is still willing to operate the device. */
	int                      (*check)(struct memstick_dev *card);
	/* Get next request from the media driver.                         */
	int                      (*next_request)(struct memstick_dev *card,
						 struct memstick_request **mrq);
	/* Tell the media driver to stop doing things                      */
	void                     (*stop)(struct memstick_dev *card);
	/* Allow the media driver to continue                              */
	void                     (*start)(struct memstick_dev *card);

	struct device            dev;
};

struct memstick_host {
	struct mutex        lock;
	unsigned int        id;
	unsigned int        caps;
#define MEMSTICK_CAP_AUTO_GET_INT  1
#define MEMSTICK_CAP_PAR4          2
#define MEMSTICK_CAP_PAR8          4

	struct work_struct  media_checker;
	struct device       dev;

	struct memstick_dev *card;
	unsigned int        retries;
	bool removing;

	/* Notify the host that some requests are pending. */
	void                (*request)(struct memstick_host *host);
	/* Set host IO parameters (power, clock, etc).     */
	int                 (*set_param)(struct memstick_host *host,
					 enum memstick_param param,
					 int value);
	unsigned long       private[] ____cacheline_aligned;
};

struct memstick_driver {
	struct memstick_device_id *id_table;
	int                       (*probe)(struct memstick_dev *card);
	void                      (*remove)(struct memstick_dev *card);
	int                       (*suspend)(struct memstick_dev *card,
					     pm_message_t state);
	int                       (*resume)(struct memstick_dev *card);

	struct device_driver      driver;
};

int memstick_register_driver(struct memstick_driver *drv);
void memstick_unregister_driver(struct memstick_driver *drv);

struct memstick_host *memstick_alloc_host(unsigned int extra,
					  struct device *dev);

int memstick_add_host(struct memstick_host *host);
void memstick_remove_host(struct memstick_host *host);
void memstick_free_host(struct memstick_host *host);
void memstick_detect_change(struct memstick_host *host);
void memstick_suspend_host(struct memstick_host *host);
void memstick_resume_host(struct memstick_host *host);

void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc,
			  const struct scatterlist *sg);
void memstick_init_req(struct memstick_request *mrq, unsigned char tpc,
		       const void *buf, size_t length);
int memstick_next_req(struct memstick_host *host,
		      struct memstick_request **mrq);
void memstick_new_req(struct memstick_host *host);

int memstick_set_rw_addr(struct memstick_dev *card);

static inline void *memstick_priv(struct memstick_host *host)
{
	return (void *)host->private;
}

static inline void *memstick_get_drvdata(struct memstick_dev *card)
{
	return dev_get_drvdata(&card->dev);
}

static inline void memstick_set_drvdata(struct memstick_dev *card, void *data)
{
	dev_set_drvdata(&card->dev, data);
}

#endif
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
baf8532a AD	2	/*
	3	* Sony MemoryStick support
	4	*
	5	* Copyright (C) 2007 Alex Dubov <[email protected]>
baf8532a AD	6	*/
	7
	8	#ifndef _MEMSTICK_H
	9	#define _MEMSTICK_H
	10
	11	#include <linux/workqueue.h>
	12	#include <linux/scatterlist.h>
	13	#include <linux/device.h>
	14
	15	/* Hardware based structures */
	16
	17	struct ms_status_register {
	18	unsigned char reserved;
	19	unsigned char interrupt;
8e82f8c3 AD	20	#define MEMSTICK_INT_CMDNAK 0x01
	21	#define MEMSTICK_INT_IOREQ 0x08
	22	#define MEMSTICK_INT_IOBREQ 0x10
	23	#define MEMSTICK_INT_BREQ 0x20
	24	#define MEMSTICK_INT_ERR 0x40
	25	#define MEMSTICK_INT_CED 0x80
baf8532a AD	26
baf8532a AD	27	unsigned char status0;
8e82f8c3 AD	28	#define MEMSTICK_STATUS0_WP 0x01
	29	#define MEMSTICK_STATUS0_SL 0x02
	30	#define MEMSTICK_STATUS0_BF 0x10
	31	#define MEMSTICK_STATUS0_BE 0x20
	32	#define MEMSTICK_STATUS0_FB0 0x40
	33	#define MEMSTICK_STATUS0_MB 0x80
baf8532a AD	34
baf8532a AD	35	unsigned char status1;
8e82f8c3 AD	36	#define MEMSTICK_STATUS1_UCFG 0x01
	37	#define MEMSTICK_STATUS1_FGER 0x02
	38	#define MEMSTICK_STATUS1_UCEX 0x04
	39	#define MEMSTICK_STATUS1_EXER 0x08
	40	#define MEMSTICK_STATUS1_UCDT 0x10
	41	#define MEMSTICK_STATUS1_DTER 0x20
	42	#define MEMSTICK_STATUS1_FB1 0x40
	43	#define MEMSTICK_STATUS1_MB 0x80
baf8532a AD	44	} __attribute__((packed));
	45
	46	struct ms_id_register {
	47	unsigned char type;
e1f19995	48	unsigned char if_mode;
baf8532a AD	49	unsigned char category;
	50	unsigned char class;
	51	} __attribute__((packed));
	52
	53	struct ms_param_register {
	54	unsigned char system;
e1f19995	55	#define MEMSTICK_SYS_PAM 0x08
8e82f8c3	56	#define MEMSTICK_SYS_BAMD 0x80
e1f19995	57
baf8532a AD	58	unsigned char block_address_msb;
	59	unsigned short block_address;
	60	unsigned char cp;
8e82f8c3 AD	61	#define MEMSTICK_CP_BLOCK 0x00
	62	#define MEMSTICK_CP_PAGE 0x20
	63	#define MEMSTICK_CP_EXTRA 0x40
	64	#define MEMSTICK_CP_OVERWRITE 0x80
baf8532a AD	65
	66	unsigned char page_address;
	67	} __attribute__((packed));
	68
	69	struct ms_extra_data_register {
	70	unsigned char overwrite_flag;
8e82f8c3 AD	71	#define MEMSTICK_OVERWRITE_UDST 0x10
	72	#define MEMSTICK_OVERWRITE_PGST1 0x20
	73	#define MEMSTICK_OVERWRITE_PGST0 0x40
	74	#define MEMSTICK_OVERWRITE_BKST 0x80
baf8532a AD	75
baf8532a AD	76	unsigned char management_flag;
8e82f8c3 AD	77	#define MEMSTICK_MANAGEMENT_SYSFLG 0x04
	78	#define MEMSTICK_MANAGEMENT_ATFLG 0x08
	79	#define MEMSTICK_MANAGEMENT_SCMS1 0x10
	80	#define MEMSTICK_MANAGEMENT_SCMS0 0x20
baf8532a AD	81
	82	unsigned short logical_address;
	83	} __attribute__((packed));
	84
	85	struct ms_register {
	86	struct ms_status_register status;
	87	struct ms_id_register id;
	88	unsigned char reserved[8];
	89	struct ms_param_register param;
	90	struct ms_extra_data_register extra_data;
	91	} __attribute__((packed));
	92
	93	struct mspro_param_register {
	94	unsigned char system;
e1f19995 AD	95	#define MEMSTICK_SYS_PAR4 0x00
e1f19995 AD	96	#define MEMSTICK_SYS_PAR8 0x40
8e82f8c3	97	#define MEMSTICK_SYS_SERIAL 0x80
e1f19995	98
69347a23 HH	99	__be16 data_count;
69347a23 HH	100	__be32 data_address;
e1f19995 AD	101	unsigned char tpc_param;
	102	} __attribute__((packed));
	103
	104	struct mspro_io_info_register {
	105	unsigned char version;
	106	unsigned char io_category;
	107	unsigned char current_req;
	108	unsigned char card_opt_info;
	109	unsigned char rdy_wait_time;
	110	} __attribute__((packed));
	111
	112	struct mspro_io_func_register {
	113	unsigned char func_enable;
	114	unsigned char func_select;
	115	unsigned char func_intmask;
	116	unsigned char transfer_mode;
	117	} __attribute__((packed));
	118
	119	struct mspro_io_cmd_register {
	120	unsigned short tpc_param;
baf8532a AD	121	unsigned short data_count;
baf8532a AD	122	unsigned int data_address;
baf8532a AD	123	} __attribute__((packed));
	124
	125	struct mspro_register {
e1f19995 AD	126	struct ms_status_register status;
	127	struct ms_id_register id;
	128	unsigned char reserved0[8];
	129	struct mspro_param_register param;
	130	unsigned char reserved1[8];
	131	struct mspro_io_info_register io_info;
	132	struct mspro_io_func_register io_func;
	133	unsigned char reserved2[7];
	134	struct mspro_io_cmd_register io_cmd;
	135	unsigned char io_int;
	136	unsigned char io_int_func;
baf8532a AD	137	} __attribute__((packed));
	138
	139	struct ms_register_addr {
	140	unsigned char r_offset;
	141	unsigned char r_length;
	142	unsigned char w_offset;
	143	unsigned char w_length;
	144	} __attribute__((packed));
	145
8e82f8c3	146	enum memstick_tpc {
e1f19995	147	MS_TPC_READ_MG_STATUS = 0x01,
baf8532a AD	148	MS_TPC_READ_LONG_DATA = 0x02,
baf8532a AD	149	MS_TPC_READ_SHORT_DATA = 0x03,
e1f19995	150	MS_TPC_READ_MG_DATA = 0x03,
baf8532a	151	MS_TPC_READ_REG = 0x04,
e1f19995 AD	152	MS_TPC_READ_QUAD_DATA = 0x05,
e1f19995 AD	153	MS_TPC_READ_IO_DATA = 0x05,
baf8532a AD	154	MS_TPC_GET_INT = 0x07,
	155	MS_TPC_SET_RW_REG_ADRS = 0x08,
	156	MS_TPC_EX_SET_CMD = 0x09,
e1f19995 AD	157	MS_TPC_WRITE_QUAD_DATA = 0x0a,
e1f19995 AD	158	MS_TPC_WRITE_IO_DATA = 0x0a,
baf8532a AD	159	MS_TPC_WRITE_REG = 0x0b,
baf8532a AD	160	MS_TPC_WRITE_SHORT_DATA = 0x0c,
e1f19995	161	MS_TPC_WRITE_MG_DATA = 0x0c,
baf8532a AD	162	MS_TPC_WRITE_LONG_DATA = 0x0d,
	163	MS_TPC_SET_CMD = 0x0e
	164	};
	165
8e82f8c3	166	enum memstick_command {
e1f19995 AD	167	MS_CMD_BLOCK_END = 0x33,
	168	MS_CMD_RESET = 0x3c,
	169	MS_CMD_BLOCK_WRITE = 0x55,
	170	MS_CMD_SLEEP = 0x5a,
	171	MS_CMD_BLOCK_ERASE = 0x99,
	172	MS_CMD_BLOCK_READ = 0xaa,
	173	MS_CMD_CLEAR_BUF = 0xc3,
	174	MS_CMD_FLASH_STOP = 0xcc,
	175	MS_CMD_LOAD_ID = 0x60,
	176	MS_CMD_CMP_ICV = 0x7f,
	177	MSPRO_CMD_FORMAT = 0x10,
	178	MSPRO_CMD_SLEEP = 0x11,
	179	MSPRO_CMD_WAKEUP = 0x12,
	180	MSPRO_CMD_READ_DATA = 0x20,
	181	MSPRO_CMD_WRITE_DATA = 0x21,
	182	MSPRO_CMD_READ_ATRB = 0x24,
	183	MSPRO_CMD_STOP = 0x25,
	184	MSPRO_CMD_ERASE = 0x26,
	185	MSPRO_CMD_READ_QUAD = 0x27,
	186	MSPRO_CMD_WRITE_QUAD = 0x28,
	187	MSPRO_CMD_SET_IBD = 0x46,
	188	MSPRO_CMD_GET_IBD = 0x47,
	189	MSPRO_CMD_IN_IO_DATA = 0xb0,
	190	MSPRO_CMD_OUT_IO_DATA = 0xb1,
	191	MSPRO_CMD_READ_IO_ATRB = 0xb2,
	192	MSPRO_CMD_IN_IO_FIFO = 0xb3,
	193	MSPRO_CMD_OUT_IO_FIFO = 0xb4,
	194	MSPRO_CMD_IN_IOM = 0xb5,
	195	MSPRO_CMD_OUT_IOM = 0xb6,
baf8532a AD	196	};
	197
	198	/* Driver structures and functions */
	199
baf8532a AD	200	enum memstick_param { MEMSTICK_POWER = 1, MEMSTICK_INTERFACE };
	201
	202	#define MEMSTICK_POWER_OFF 0
	203	#define MEMSTICK_POWER_ON 1
	204
	205	#define MEMSTICK_SERIAL 0
e1f19995 AD	206	#define MEMSTICK_PAR4 1
e1f19995 AD	207	#define MEMSTICK_PAR8 2
baf8532a AD	208
	209	struct memstick_host;
	210	struct memstick_driver;
	211
8e82f8c3 AD	212	struct memstick_device_id {
8e82f8c3 AD	213	unsigned char match_flags;
baf8532a AD	214	#define MEMSTICK_MATCH_ALL 0x01
baf8532a AD	215
8e82f8c3	216	unsigned char type;
baf8532a AD	217	#define MEMSTICK_TYPE_LEGACY 0xff
	218	#define MEMSTICK_TYPE_DUO 0x00
	219	#define MEMSTICK_TYPE_PRO 0x01
	220
8e82f8c3	221	unsigned char category;
baf8532a AD	222	#define MEMSTICK_CATEGORY_STORAGE 0xff
baf8532a AD	223	#define MEMSTICK_CATEGORY_STORAGE_DUO 0x00
8e82f8c3 AD	224	#define MEMSTICK_CATEGORY_IO 0x01
8e82f8c3 AD	225	#define MEMSTICK_CATEGORY_IO_PRO 0x10
baf8532a	226
baf8532a	227	unsigned char class;
8e82f8c3 AD	228	#define MEMSTICK_CLASS_FLASH 0xff
	229	#define MEMSTICK_CLASS_DUO 0x00
	230	#define MEMSTICK_CLASS_ROM 0x01
	231	#define MEMSTICK_CLASS_RO 0x02
	232	#define MEMSTICK_CLASS_WP 0x03
baf8532a AD	233	};
	234
	235	struct memstick_request {
	236	unsigned char tpc;
	237	unsigned char data_dir:1,
	238	need_card_int:1,
e1f19995	239	long_data:1;
baf8532a AD	240	unsigned char int_reg;
	241	int error;
	242	union {
	243	struct scatterlist sg;
	244	struct {
	245	unsigned char data_len;
	246	unsigned char data[15];
	247	};
	248	};
	249	};
	250
	251	struct memstick_dev {
	252	struct memstick_device_id id;
	253	struct memstick_host *host;
	254	struct ms_register_addr reg_addr;
	255	struct completion mrq_complete;
	256	struct memstick_request current_mrq;
	257
	258	/* Check that media driver is still willing to operate the device. */
	259	int (check)(struct memstick_dev card);
	260	/* Get next request from the media driver. */
	261	int (next_request)(struct memstick_dev card,
	262	struct memstick_request **mrq);
17017d8d AD	263	/* Tell the media driver to stop doing things */
	264	void (stop)(struct memstick_dev card);
	265	/* Allow the media driver to continue */
	266	void (start)(struct memstick_dev card);
baf8532a AD	267
	268	struct device dev;
	269	};
	270
	271	struct memstick_host {
	272	struct mutex lock;
	273	unsigned int id;
	274	unsigned int caps;
e1f19995 AD	275	#define MEMSTICK_CAP_AUTO_GET_INT 1
	276	#define MEMSTICK_CAP_PAR4 2
	277	#define MEMSTICK_CAP_PAR8 4
baf8532a AD	278
baf8532a AD	279	struct work_struct media_checker;
c4c66cf1	280	struct device dev;
baf8532a AD	281
	282	struct memstick_dev *card;
	283	unsigned int retries;
62c59a87	284	bool removing;
baf8532a AD	285
	286	/* Notify the host that some requests are pending. */
	287	void (request)(struct memstick_host host);
	288	/* Set host IO parameters (power, clock, etc). */
b7789998	289	int (set_param)(struct memstick_host host,
baf8532a AD	290	enum memstick_param param,
baf8532a AD	291	int value);
f4f20d68	292	unsigned long private[] ____cacheline_aligned;
baf8532a AD	293	};
	294
	295	struct memstick_driver {
	296	struct memstick_device_id *id_table;
	297	int (probe)(struct memstick_dev card);
	298	void (remove)(struct memstick_dev card);
	299	int (suspend)(struct memstick_dev card,
	300	pm_message_t state);
	301	int (resume)(struct memstick_dev card);
	302
	303	struct device_driver driver;
	304	};
	305
	306	int memstick_register_driver(struct memstick_driver *drv);
	307	void memstick_unregister_driver(struct memstick_driver *drv);
	308
	309	struct memstick_host *memstick_alloc_host(unsigned int extra,
	310	struct device *dev);
	311
	312	int memstick_add_host(struct memstick_host *host);
	313	void memstick_remove_host(struct memstick_host *host);
	314	void memstick_free_host(struct memstick_host *host);
	315	void memstick_detect_change(struct memstick_host *host);
d114ad54 AD	316	void memstick_suspend_host(struct memstick_host *host);
d114ad54 AD	317	void memstick_resume_host(struct memstick_host *host);
baf8532a AD	318
baf8532a AD	319	void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc,
8e82f8c3	320	const struct scatterlist *sg);
baf8532a	321	void memstick_init_req(struct memstick_request *mrq, unsigned char tpc,
8e82f8c3	322	const void *buf, size_t length);
baf8532a AD	323	int memstick_next_req(struct memstick_host *host,
	324	struct memstick_request **mrq);
	325	void memstick_new_req(struct memstick_host *host);
	326
	327	int memstick_set_rw_addr(struct memstick_dev *card);
	328
	329	static inline void memstick_priv(struct memstick_host host)
	330	{
	331	return (void *)host->private;
	332	}
	333
	334	static inline void memstick_get_drvdata(struct memstick_dev card)
	335	{
	336	return dev_get_drvdata(&card->dev);
	337	}
	338
	339	static inline void memstick_set_drvdata(struct memstick_dev card, void data)
	340	{
	341	dev_set_drvdata(&card->dev, data);
	342	}
	343
	344	#endif