1/* 2 * ms_block.h - Sony MemoryStick (legacy) storage support 3 4 * Copyright (C) 2013 Maxim Levitsky <maximlevitsky@gmail.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * Minor portions of the driver are copied from mspro_block.c which is 11 * Copyright (C) 2007 Alex Dubov <oakad@yahoo.com> 12 * 13 * Also ms structures were copied from old broken driver by same author 14 * These probably come from MS spec 15 * 16 */ 17 18#ifndef MS_BLOCK_NEW_H 19#define MS_BLOCK_NEW_H 20 21#define MS_BLOCK_MAX_SEGS 32 22#define MS_BLOCK_MAX_PAGES ((2 << 16) - 1) 23 24#define MS_BLOCK_MAX_BOOT_ADDR 0x000c 25#define MS_BLOCK_BOOT_ID 0x0001 26#define MS_BLOCK_INVALID 0xffff 27#define MS_MAX_ZONES 16 28#define MS_BLOCKS_IN_ZONE 512 29 30#define MS_BLOCK_MAP_LINE_SZ 16 31#define MS_BLOCK_PART_SHIFT 3 32 33 34#define MEMSTICK_UNCORR_ERROR (MEMSTICK_STATUS1_UCFG | \ 35 MEMSTICK_STATUS1_UCEX | MEMSTICK_STATUS1_UCDT) 36 37#define MEMSTICK_CORR_ERROR (MEMSTICK_STATUS1_FGER | MEMSTICK_STATUS1_EXER | \ 38 MEMSTICK_STATUS1_DTER) 39 40#define MEMSTICK_INT_ERROR (MEMSTICK_INT_CMDNAK | MEMSTICK_INT_ERR) 41 42#define MEMSTICK_OVERWRITE_FLAG_NORMAL \ 43 (MEMSTICK_OVERWRITE_PGST1 | \ 44 MEMSTICK_OVERWRITE_PGST0 | \ 45 MEMSTICK_OVERWRITE_BKST) 46 47#define MEMSTICK_OV_PG_NORMAL \ 48 (MEMSTICK_OVERWRITE_PGST1 | MEMSTICK_OVERWRITE_PGST0) 49 50#define MEMSTICK_MANAGMENT_FLAG_NORMAL \ 51 (MEMSTICK_MANAGEMENT_SYSFLG | \ 52 MEMSTICK_MANAGEMENT_SCMS1 | \ 53 MEMSTICK_MANAGEMENT_SCMS0) \ 54 55struct ms_boot_header { 56 unsigned short block_id; 57 unsigned short format_reserved; 58 unsigned char reserved0[184]; 59 unsigned char data_entry; 60 unsigned char reserved1[179]; 61} __packed; 62 63 64struct ms_system_item { 65 unsigned int start_addr; 66 unsigned int data_size; 67 unsigned char data_type_id; 68 unsigned char reserved[3]; 69} __packed; 70 71struct ms_system_entry { 72 struct ms_system_item disabled_block; 73 struct ms_system_item cis_idi; 74 unsigned char reserved[24]; 75} __packed; 76 77struct ms_boot_attr_info { 78 unsigned char memorystick_class; 79 unsigned char format_unique_value1; 80 unsigned short block_size; 81 unsigned short number_of_blocks; 82 unsigned short number_of_effective_blocks; 83 unsigned short page_size; 84 unsigned char extra_data_size; 85 unsigned char format_unique_value2; 86 unsigned char assembly_time[8]; 87 unsigned char format_unique_value3; 88 unsigned char serial_number[3]; 89 unsigned char assembly_manufacturer_code; 90 unsigned char assembly_model_code[3]; 91 unsigned short memory_manufacturer_code; 92 unsigned short memory_device_code; 93 unsigned short implemented_capacity; 94 unsigned char format_unique_value4[2]; 95 unsigned char vcc; 96 unsigned char vpp; 97 unsigned short controller_number; 98 unsigned short controller_function; 99 unsigned char reserved0[9]; 100 unsigned char transfer_supporting; 101 unsigned short format_unique_value5; 102 unsigned char format_type; 103 unsigned char memorystick_application; 104 unsigned char device_type; 105 unsigned char reserved1[22]; 106 unsigned char format_uniqure_value6[2]; 107 unsigned char reserved2[15]; 108} __packed; 109 110struct ms_cis_idi { 111 unsigned short general_config; 112 unsigned short logical_cylinders; 113 unsigned short reserved0; 114 unsigned short logical_heads; 115 unsigned short track_size; 116 unsigned short page_size; 117 unsigned short pages_per_track; 118 unsigned short msw; 119 unsigned short lsw; 120 unsigned short reserved1; 121 unsigned char serial_number[20]; 122 unsigned short buffer_type; 123 unsigned short buffer_size_increments; 124 unsigned short long_command_ecc; 125 unsigned char firmware_version[28]; 126 unsigned char model_name[18]; 127 unsigned short reserved2[5]; 128 unsigned short pio_mode_number; 129 unsigned short dma_mode_number; 130 unsigned short field_validity; 131 unsigned short current_logical_cylinders; 132 unsigned short current_logical_heads; 133 unsigned short current_pages_per_track; 134 unsigned int current_page_capacity; 135 unsigned short mutiple_page_setting; 136 unsigned int addressable_pages; 137 unsigned short single_word_dma; 138 unsigned short multi_word_dma; 139 unsigned char reserved3[128]; 140} __packed; 141 142 143struct ms_boot_page { 144 struct ms_boot_header header; 145 struct ms_system_entry entry; 146 struct ms_boot_attr_info attr; 147} __packed; 148 149struct msb_data { 150 unsigned int usage_count; 151 struct memstick_dev *card; 152 struct gendisk *disk; 153 struct request_queue *queue; 154 spinlock_t q_lock; 155 struct hd_geometry geometry; 156 struct attribute_group attr_group; 157 struct request *req; 158 int caps; 159 int disk_id; 160 161 /* IO */ 162 struct workqueue_struct *io_queue; 163 bool io_queue_stopped; 164 struct work_struct io_work; 165 bool card_dead; 166 167 /* Media properties */ 168 struct ms_boot_page *boot_page; 169 u16 boot_block_locations[2]; 170 int boot_block_count; 171 172 bool read_only; 173 unsigned short page_size; 174 int block_size; 175 int pages_in_block; 176 int zone_count; 177 int block_count; 178 int logical_block_count; 179 180 /* FTL tables */ 181 unsigned long *used_blocks_bitmap; 182 unsigned long *erased_blocks_bitmap; 183 u16 *lba_to_pba_table; 184 int free_block_count[MS_MAX_ZONES]; 185 bool ftl_initialized; 186 187 /* Cache */ 188 unsigned char *cache; 189 unsigned long valid_cache_bitmap; 190 int cache_block_lba; 191 bool need_flush_cache; 192 struct timer_list cache_flush_timer; 193 194 /* Preallocated buffers */ 195 unsigned char *block_buffer; 196 struct scatterlist prealloc_sg[MS_BLOCK_MAX_SEGS+1]; 197 198 199 /* handler's local data */ 200 struct ms_register_addr reg_addr; 201 bool addr_valid; 202 203 u8 command_value; 204 bool command_need_oob; 205 struct scatterlist *current_sg; 206 int current_sg_offset; 207 208 struct ms_register regs; 209 int current_page; 210 211 int state; 212 int exit_error; 213 bool int_polling; 214 unsigned long int_timeout; 215 216}; 217 218enum msb_readpage_states { 219 MSB_RP_SEND_BLOCK_ADDRESS = 0, 220 MSB_RP_SEND_READ_COMMAND, 221 222 MSB_RP_SEND_INT_REQ, 223 MSB_RP_RECEIVE_INT_REQ_RESULT, 224 225 MSB_RP_SEND_READ_STATUS_REG, 226 MSB_RP_RECEIVE_STATUS_REG, 227 228 MSB_RP_SEND_OOB_READ, 229 MSB_RP_RECEIVE_OOB_READ, 230 231 MSB_RP_SEND_READ_DATA, 232 MSB_RP_RECEIVE_READ_DATA, 233}; 234 235enum msb_write_block_states { 236 MSB_WB_SEND_WRITE_PARAMS = 0, 237 MSB_WB_SEND_WRITE_OOB, 238 MSB_WB_SEND_WRITE_COMMAND, 239 240 MSB_WB_SEND_INT_REQ, 241 MSB_WB_RECEIVE_INT_REQ, 242 243 MSB_WB_SEND_WRITE_DATA, 244 MSB_WB_RECEIVE_WRITE_CONFIRMATION, 245}; 246 247enum msb_send_command_states { 248 MSB_SC_SEND_WRITE_PARAMS, 249 MSB_SC_SEND_WRITE_OOB, 250 MSB_SC_SEND_COMMAND, 251 252 MSB_SC_SEND_INT_REQ, 253 MSB_SC_RECEIVE_INT_REQ, 254 255}; 256 257enum msb_reset_states { 258 MSB_RS_SEND, 259 MSB_RS_CONFIRM, 260}; 261 262enum msb_par_switch_states { 263 MSB_PS_SEND_SWITCH_COMMAND, 264 MSB_PS_SWICH_HOST, 265 MSB_PS_CONFIRM, 266}; 267 268struct chs_entry { 269 unsigned long size; 270 unsigned char sec; 271 unsigned short cyl; 272 unsigned char head; 273}; 274 275static int msb_reset(struct msb_data *msb, bool full); 276 277static int h_msb_default_bad(struct memstick_dev *card, 278 struct memstick_request **mrq); 279 280#define __dbg(level, format, ...) \ 281 do { \ 282 if (debug >= level) \ 283 pr_err(format "\n", ## __VA_ARGS__); \ 284 } while (0) 285 286 287#define dbg(format, ...) __dbg(1, format, ## __VA_ARGS__) 288#define dbg_verbose(format, ...) __dbg(2, format, ## __VA_ARGS__) 289 290#endif 291