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/*
* ms_block.h - Sony MemoryStick (legacy) storage support
* Copyright (C) 2013 Maxim Levitsky <maximlevitsky@gmail.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.
*
* Minor portions of the driver are copied from mspro_block.c which is
* Copyright (C) 2007 Alex Dubov <oakad@yahoo.com>
*
* Also ms structures were copied from old broken driver by same author
* These probably come from MS spec
*
*/
#ifndef MS_BLOCK_NEW_H
#define MS_BLOCK_NEW_H
#define MS_BLOCK_MAX_SEGS 32
#define MS_BLOCK_MAX_PAGES ((2 << 16) - 1)
#define MS_BLOCK_MAX_BOOT_ADDR 0x000c
#define MS_BLOCK_BOOT_ID 0x0001
#define MS_BLOCK_INVALID 0xffff
#define MS_MAX_ZONES 16
#define MS_BLOCKS_IN_ZONE 512
#define MS_BLOCK_MAP_LINE_SZ 16
#define MS_BLOCK_PART_SHIFT 3
#define MEMSTICK_UNCORR_ERROR (MEMSTICK_STATUS1_UCFG | \
MEMSTICK_STATUS1_UCEX | MEMSTICK_STATUS1_UCDT)
#define MEMSTICK_CORR_ERROR (MEMSTICK_STATUS1_FGER | MEMSTICK_STATUS1_EXER | \
MEMSTICK_STATUS1_DTER)
#define MEMSTICK_INT_ERROR (MEMSTICK_INT_CMDNAK | MEMSTICK_INT_ERR)
#define MEMSTICK_OVERWRITE_FLAG_NORMAL \
(MEMSTICK_OVERWRITE_PGST1 | \
MEMSTICK_OVERWRITE_PGST0 | \
MEMSTICK_OVERWRITE_BKST)
#define MEMSTICK_OV_PG_NORMAL \
(MEMSTICK_OVERWRITE_PGST1 | MEMSTICK_OVERWRITE_PGST0)
#define MEMSTICK_MANAGEMENT_FLAG_NORMAL \
(MEMSTICK_MANAGEMENT_SYSFLG | \
MEMSTICK_MANAGEMENT_SCMS1 | \
MEMSTICK_MANAGEMENT_SCMS0) \
struct ms_boot_header {
unsigned short block_id;
unsigned short format_reserved;
unsigned char reserved0[184];
unsigned char data_entry;
unsigned char reserved1[179];
} __packed;
struct ms_system_item {
unsigned int start_addr;
unsigned int data_size;
unsigned char data_type_id;
unsigned char reserved[3];
} __packed;
struct ms_system_entry {
struct ms_system_item disabled_block;
struct ms_system_item cis_idi;
unsigned char reserved[24];
} __packed;
struct ms_boot_attr_info {
unsigned char memorystick_class;
unsigned char format_unique_value1;
unsigned short block_size;
unsigned short number_of_blocks;
unsigned short number_of_effective_blocks;
unsigned short page_size;
unsigned char extra_data_size;
unsigned char format_unique_value2;
unsigned char assembly_time[8];
unsigned char format_unique_value3;
unsigned char serial_number[3];
unsigned char assembly_manufacturer_code;
unsigned char assembly_model_code[3];
unsigned short memory_manufacturer_code;
unsigned short memory_device_code;
unsigned short implemented_capacity;
unsigned char format_unique_value4[2];
unsigned char vcc;
unsigned char vpp;
unsigned short controller_number;
unsigned short controller_function;
unsigned char reserved0[9];
unsigned char transfer_supporting;
unsigned short format_unique_value5;
unsigned char format_type;
unsigned char memorystick_application;
unsigned char device_type;
unsigned char reserved1[22];
unsigned char format_uniqure_value6[2];
unsigned char reserved2[15];
} __packed;
struct ms_cis_idi {
unsigned short general_config;
unsigned short logical_cylinders;
unsigned short reserved0;
unsigned short logical_heads;
unsigned short track_size;
unsigned short page_size;
unsigned short pages_per_track;
unsigned short msw;
unsigned short lsw;
unsigned short reserved1;
unsigned char serial_number[20];
unsigned short buffer_type;
unsigned short buffer_size_increments;
unsigned short long_command_ecc;
unsigned char firmware_version[28];
unsigned char model_name[18];
unsigned short reserved2[5];
unsigned short pio_mode_number;
unsigned short dma_mode_number;
unsigned short field_validity;
unsigned short current_logical_cylinders;
unsigned short current_logical_heads;
unsigned short current_pages_per_track;
unsigned int current_page_capacity;
unsigned short mutiple_page_setting;
unsigned int addressable_pages;
unsigned short single_word_dma;
unsigned short multi_word_dma;
unsigned char reserved3[128];
} __packed;
struct ms_boot_page {
struct ms_boot_header header;
struct ms_system_entry entry;
struct ms_boot_attr_info attr;
} __packed;
struct msb_data {
unsigned int usage_count;
struct memstick_dev *card;
struct gendisk *disk;
struct request_queue *queue;
spinlock_t q_lock;
struct hd_geometry geometry;
struct attribute_group attr_group;
struct request *req;
int caps;
int disk_id;
/* IO */
struct workqueue_struct *io_queue;
bool io_queue_stopped;
struct work_struct io_work;
bool card_dead;
/* Media properties */
struct ms_boot_page *boot_page;
u16 boot_block_locations[2];
int boot_block_count;
bool read_only;
unsigned short page_size;
int block_size;
int pages_in_block;
int zone_count;
int block_count;
int logical_block_count;
/* FTL tables */
unsigned long *used_blocks_bitmap;
unsigned long *erased_blocks_bitmap;
u16 *lba_to_pba_table;
int free_block_count[MS_MAX_ZONES];
bool ftl_initialized;
/* Cache */
unsigned char *cache;
unsigned long valid_cache_bitmap;
int cache_block_lba;
bool need_flush_cache;
struct timer_list cache_flush_timer;
/* Preallocated buffers */
unsigned char *block_buffer;
struct scatterlist prealloc_sg[MS_BLOCK_MAX_SEGS+1];
/* handler's local data */
struct ms_register_addr reg_addr;
bool addr_valid;
u8 command_value;
bool command_need_oob;
struct scatterlist *current_sg;
int current_sg_offset;
struct ms_register regs;
int current_page;
int state;
int exit_error;
bool int_polling;
unsigned long int_timeout;
};
enum msb_readpage_states {
MSB_RP_SEND_BLOCK_ADDRESS = 0,
MSB_RP_SEND_READ_COMMAND,
MSB_RP_SEND_INT_REQ,
MSB_RP_RECEIVE_INT_REQ_RESULT,
MSB_RP_SEND_READ_STATUS_REG,
MSB_RP_RECEIVE_STATUS_REG,
MSB_RP_SEND_OOB_READ,
MSB_RP_RECEIVE_OOB_READ,
MSB_RP_SEND_READ_DATA,
MSB_RP_RECEIVE_READ_DATA,
};
enum msb_write_block_states {
MSB_WB_SEND_WRITE_PARAMS = 0,
MSB_WB_SEND_WRITE_OOB,
MSB_WB_SEND_WRITE_COMMAND,
MSB_WB_SEND_INT_REQ,
MSB_WB_RECEIVE_INT_REQ,
MSB_WB_SEND_WRITE_DATA,
MSB_WB_RECEIVE_WRITE_CONFIRMATION,
};
enum msb_send_command_states {
MSB_SC_SEND_WRITE_PARAMS,
MSB_SC_SEND_WRITE_OOB,
MSB_SC_SEND_COMMAND,
MSB_SC_SEND_INT_REQ,
MSB_SC_RECEIVE_INT_REQ,
};
enum msb_reset_states {
MSB_RS_SEND,
MSB_RS_CONFIRM,
};
enum msb_par_switch_states {
MSB_PS_SEND_SWITCH_COMMAND,
MSB_PS_SWICH_HOST,
MSB_PS_CONFIRM,
};
struct chs_entry {
unsigned long size;
unsigned char sec;
unsigned short cyl;
unsigned char head;
};
static int msb_reset(struct msb_data *msb, bool full);
static int h_msb_default_bad(struct memstick_dev *card,
struct memstick_request **mrq);
#define __dbg(level, format, ...) \
do { \
if (debug >= level) \
pr_err(format "\n", ## __VA_ARGS__); \
} while (0)
#define dbg(format, ...) __dbg(1, format, ## __VA_ARGS__)
#define dbg_verbose(format, ...) __dbg(2, format, ## __VA_ARGS__)
#endif
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