1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
|
/*
* 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
|
