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usr
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src
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linux-headers-6.8.0-83-generic
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include
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linux
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drwxr-xr-x
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memstick.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Sony MemoryStick support * * Copyright (C) 2007 Alex Dubov <oakad@yahoo.com> */ #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
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