| /* |
| * 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_MANAGMENT_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 |
