--- /dev/null
+/*
+ * Sony MemoryStick support
+ *
+ * Copyright (C) 2007 Alex Dubov <oakad@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#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;
+
+ /* 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[0] ____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
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