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287 lines
7.0 KiB
287 lines
7.0 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* ms_block.h - Sony MemoryStick (legacy) storage support |
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* Copyright (C) 2013 Maxim Levitsky <[email protected]> |
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* |
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* Minor portions of the driver are copied from mspro_block.c which is |
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* Copyright (C) 2007 Alex Dubov <[email protected]> |
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* |
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* Also ms structures were copied from old broken driver by same author |
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* These probably come from MS spec |
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*/ |
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#ifndef MS_BLOCK_NEW_H |
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#define MS_BLOCK_NEW_H |
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#define MS_BLOCK_MAX_SEGS 32 |
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#define MS_BLOCK_MAX_PAGES ((2 << 16) - 1) |
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#define MS_BLOCK_MAX_BOOT_ADDR 0x000c |
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#define MS_BLOCK_BOOT_ID 0x0001 |
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#define MS_BLOCK_INVALID 0xffff |
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#define MS_MAX_ZONES 16 |
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#define MS_BLOCKS_IN_ZONE 512 |
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#define MS_BLOCK_MAP_LINE_SZ 16 |
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#define MS_BLOCK_PART_SHIFT 3 |
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#define MEMSTICK_UNCORR_ERROR (MEMSTICK_STATUS1_UCFG | \ |
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MEMSTICK_STATUS1_UCEX | MEMSTICK_STATUS1_UCDT) |
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#define MEMSTICK_CORR_ERROR (MEMSTICK_STATUS1_FGER | MEMSTICK_STATUS1_EXER | \ |
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MEMSTICK_STATUS1_DTER) |
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#define MEMSTICK_INT_ERROR (MEMSTICK_INT_CMDNAK | MEMSTICK_INT_ERR) |
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#define MEMSTICK_OVERWRITE_FLAG_NORMAL \ |
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(MEMSTICK_OVERWRITE_PGST1 | \ |
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MEMSTICK_OVERWRITE_PGST0 | \ |
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MEMSTICK_OVERWRITE_BKST) |
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#define MEMSTICK_OV_PG_NORMAL \ |
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(MEMSTICK_OVERWRITE_PGST1 | MEMSTICK_OVERWRITE_PGST0) |
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#define MEMSTICK_MANAGEMENT_FLAG_NORMAL \ |
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(MEMSTICK_MANAGEMENT_SYSFLG | \ |
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MEMSTICK_MANAGEMENT_SCMS1 | \ |
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MEMSTICK_MANAGEMENT_SCMS0) \ |
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struct ms_boot_header { |
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unsigned short block_id; |
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unsigned short format_reserved; |
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unsigned char reserved0[184]; |
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unsigned char data_entry; |
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unsigned char reserved1[179]; |
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} __packed; |
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struct ms_system_item { |
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unsigned int start_addr; |
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unsigned int data_size; |
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unsigned char data_type_id; |
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unsigned char reserved[3]; |
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} __packed; |
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struct ms_system_entry { |
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struct ms_system_item disabled_block; |
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struct ms_system_item cis_idi; |
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unsigned char reserved[24]; |
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} __packed; |
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struct ms_boot_attr_info { |
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unsigned char memorystick_class; |
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unsigned char format_unique_value1; |
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unsigned short block_size; |
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unsigned short number_of_blocks; |
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unsigned short number_of_effective_blocks; |
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unsigned short page_size; |
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unsigned char extra_data_size; |
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unsigned char format_unique_value2; |
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unsigned char assembly_time[8]; |
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unsigned char format_unique_value3; |
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unsigned char serial_number[3]; |
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unsigned char assembly_manufacturer_code; |
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unsigned char assembly_model_code[3]; |
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unsigned short memory_manufacturer_code; |
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unsigned short memory_device_code; |
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unsigned short implemented_capacity; |
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unsigned char format_unique_value4[2]; |
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unsigned char vcc; |
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unsigned char vpp; |
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unsigned short controller_number; |
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unsigned short controller_function; |
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unsigned char reserved0[9]; |
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unsigned char transfer_supporting; |
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unsigned short format_unique_value5; |
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unsigned char format_type; |
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unsigned char memorystick_application; |
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unsigned char device_type; |
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unsigned char reserved1[22]; |
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unsigned char format_uniqure_value6[2]; |
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unsigned char reserved2[15]; |
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} __packed; |
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struct ms_cis_idi { |
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unsigned short general_config; |
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unsigned short logical_cylinders; |
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unsigned short reserved0; |
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unsigned short logical_heads; |
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unsigned short track_size; |
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unsigned short page_size; |
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unsigned short pages_per_track; |
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unsigned short msw; |
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unsigned short lsw; |
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unsigned short reserved1; |
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unsigned char serial_number[20]; |
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unsigned short buffer_type; |
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unsigned short buffer_size_increments; |
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unsigned short long_command_ecc; |
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unsigned char firmware_version[28]; |
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unsigned char model_name[18]; |
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unsigned short reserved2[5]; |
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unsigned short pio_mode_number; |
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unsigned short dma_mode_number; |
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unsigned short field_validity; |
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unsigned short current_logical_cylinders; |
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unsigned short current_logical_heads; |
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unsigned short current_pages_per_track; |
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unsigned int current_page_capacity; |
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unsigned short mutiple_page_setting; |
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unsigned int addressable_pages; |
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unsigned short single_word_dma; |
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unsigned short multi_word_dma; |
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unsigned char reserved3[128]; |
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} __packed; |
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struct ms_boot_page { |
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struct ms_boot_header header; |
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struct ms_system_entry entry; |
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struct ms_boot_attr_info attr; |
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} __packed; |
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struct msb_data { |
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unsigned int usage_count; |
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struct memstick_dev *card; |
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struct gendisk *disk; |
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struct request_queue *queue; |
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spinlock_t q_lock; |
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struct blk_mq_tag_set tag_set; |
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struct hd_geometry geometry; |
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struct attribute_group attr_group; |
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struct request *req; |
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int caps; |
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int disk_id; |
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/* IO */ |
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struct workqueue_struct *io_queue; |
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bool io_queue_stopped; |
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struct work_struct io_work; |
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bool card_dead; |
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/* Media properties */ |
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struct ms_boot_page *boot_page; |
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u16 boot_block_locations[2]; |
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int boot_block_count; |
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bool read_only; |
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unsigned short page_size; |
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int block_size; |
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int pages_in_block; |
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int zone_count; |
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int block_count; |
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int logical_block_count; |
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/* FTL tables */ |
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unsigned long *used_blocks_bitmap; |
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unsigned long *erased_blocks_bitmap; |
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u16 *lba_to_pba_table; |
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int free_block_count[MS_MAX_ZONES]; |
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bool ftl_initialized; |
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/* Cache */ |
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unsigned char *cache; |
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unsigned long valid_cache_bitmap; |
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int cache_block_lba; |
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bool need_flush_cache; |
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struct timer_list cache_flush_timer; |
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/* Preallocated buffers */ |
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unsigned char *block_buffer; |
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struct scatterlist prealloc_sg[MS_BLOCK_MAX_SEGS+1]; |
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/* handler's local data */ |
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struct ms_register_addr reg_addr; |
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bool addr_valid; |
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u8 command_value; |
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bool command_need_oob; |
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struct scatterlist *current_sg; |
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int current_sg_offset; |
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struct ms_register regs; |
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int current_page; |
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int state; |
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int exit_error; |
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bool int_polling; |
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unsigned long int_timeout; |
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}; |
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enum msb_readpage_states { |
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MSB_RP_SEND_BLOCK_ADDRESS = 0, |
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MSB_RP_SEND_READ_COMMAND, |
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MSB_RP_SEND_INT_REQ, |
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MSB_RP_RECEIVE_INT_REQ_RESULT, |
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MSB_RP_SEND_READ_STATUS_REG, |
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MSB_RP_RECEIVE_STATUS_REG, |
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MSB_RP_SEND_OOB_READ, |
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MSB_RP_RECEIVE_OOB_READ, |
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MSB_RP_SEND_READ_DATA, |
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MSB_RP_RECEIVE_READ_DATA, |
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}; |
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enum msb_write_block_states { |
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MSB_WB_SEND_WRITE_PARAMS = 0, |
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MSB_WB_SEND_WRITE_OOB, |
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MSB_WB_SEND_WRITE_COMMAND, |
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MSB_WB_SEND_INT_REQ, |
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MSB_WB_RECEIVE_INT_REQ, |
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MSB_WB_SEND_WRITE_DATA, |
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MSB_WB_RECEIVE_WRITE_CONFIRMATION, |
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}; |
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enum msb_send_command_states { |
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MSB_SC_SEND_WRITE_PARAMS, |
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MSB_SC_SEND_WRITE_OOB, |
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MSB_SC_SEND_COMMAND, |
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MSB_SC_SEND_INT_REQ, |
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MSB_SC_RECEIVE_INT_REQ, |
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}; |
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enum msb_reset_states { |
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MSB_RS_SEND, |
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MSB_RS_CONFIRM, |
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}; |
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enum msb_par_switch_states { |
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MSB_PS_SEND_SWITCH_COMMAND, |
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MSB_PS_SWICH_HOST, |
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MSB_PS_CONFIRM, |
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}; |
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struct chs_entry { |
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unsigned long size; |
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unsigned char sec; |
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unsigned short cyl; |
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unsigned char head; |
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}; |
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static int msb_reset(struct msb_data *msb, bool full); |
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static int h_msb_default_bad(struct memstick_dev *card, |
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struct memstick_request **mrq); |
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#define __dbg(level, format, ...) \ |
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do { \ |
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if (debug >= level) \ |
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pr_err(format "\n", ## __VA_ARGS__); \ |
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} while (0) |
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#define dbg(format, ...) __dbg(1, format, ## __VA_ARGS__) |
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#define dbg_verbose(format, ...) __dbg(2, format, ## __VA_ARGS__) |
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#endif
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