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
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
|
/*
* Sony MemoryStick support
*
* Copyright (C) 2007 Alex Dubov <oakad@yahoo.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.
*
*/
#ifndef _MEMSTICK_H
#define _MEMSTICK_H
#include <linux/workqueue.h>
#include <linux/scatterlist.h>
#include <linux/device.h>
/*** Hardware based structures ***/
struct ms_status_register {
unsigned char reserved;
unsigned char interrupt;
#define MEMSTICK_INT_CMDNAK 0x0001
#define MEMSTICK_INT_IOREQ 0x0008
#define MEMSTICK_INT_IOBREQ 0x0010
#define MEMSTICK_INT_BREQ 0x0020
#define MEMSTICK_INT_ERR 0x0040
#define MEMSTICK_INT_CED 0x0080
unsigned char status0;
#define MEMSTICK_STATUS0_WP 0x0001
#define MEMSTICK_STATUS0_SL 0x0002
#define MEMSTICK_STATUS0_BF 0x0010
#define MEMSTICK_STATUS0_BE 0x0020
#define MEMSTICK_STATUS0_FB0 0x0040
#define MEMSTICK_STATUS0_MB 0x0080
unsigned char status1;
#define MEMSTICK_STATUS1_UCFG 0x0001
#define MEMSTICK_STATUS1_FGER 0x0002
#define MEMSTICK_STATUS1_UCEX 0x0004
#define MEMSTICK_STATUS1_EXER 0x0008
#define MEMSTICK_STATUS1_UCDT 0x0010
#define MEMSTICK_STATUS1_DTER 0x0020
#define MEMSTICK_STATUS1_FBI 0x0040
#define MEMSTICK_STATUS1_MB 0x0080
} __attribute__((packed));
struct ms_id_register {
unsigned char type;
unsigned char if_mode;
unsigned char category;
unsigned char class;
} __attribute__((packed));
struct ms_param_register {
unsigned char system;
#define MEMSTICK_SYS_ATEN 0xc0
#define MEMSTICK_SYS_BAMD 0x80
#define MEMSTICK_SYS_PAM 0x08
unsigned char block_address_msb;
unsigned short block_address;
unsigned char cp;
#define MEMSTICK_CP_BLOCK 0x0000
#define MEMSTICK_CP_PAGE 0x0020
#define MEMSTICK_CP_EXTRA 0x0040
#define MEMSTICK_CP_OVERWRITE 0x0080
unsigned char page_address;
} __attribute__((packed));
struct ms_extra_data_register {
unsigned char overwrite_flag;
#define MEMSTICK_OVERWRITE_UPDATA 0x0010
#define MEMSTICK_OVERWRITE_PAGE 0x0060
#define MEMSTICK_OVERWRITE_BLOCK 0x0080
unsigned char management_flag;
#define MEMSTICK_MANAGEMENT_SYSTEM 0x0004
#define MEMSTICK_MANAGEMENT_TRANS_TABLE 0x0008
#define MEMSTICK_MANAGEMENT_COPY 0x0010
#define MEMSTICK_MANAGEMENT_ACCESS 0x0020
unsigned short logical_address;
} __attribute__((packed));
struct ms_register {
struct ms_status_register status;
struct ms_id_register id;
unsigned char reserved[8];
struct ms_param_register param;
struct ms_extra_data_register extra_data;
} __attribute__((packed));
struct mspro_param_register {
unsigned char system;
#define MEMSTICK_SYS_SERIAL 0x80
#define MEMSTICK_SYS_PAR4 0x00
#define MEMSTICK_SYS_PAR8 0x40
unsigned short data_count;
unsigned int data_address;
unsigned char tpc_param;
} __attribute__((packed));
struct mspro_io_info_register {
unsigned char version;
unsigned char io_category;
unsigned char current_req;
unsigned char card_opt_info;
unsigned char rdy_wait_time;
} __attribute__((packed));
struct mspro_io_func_register {
unsigned char func_enable;
unsigned char func_select;
unsigned char func_intmask;
unsigned char transfer_mode;
} __attribute__((packed));
struct mspro_io_cmd_register {
unsigned short tpc_param;
unsigned short data_count;
unsigned int data_address;
} __attribute__((packed));
struct mspro_register {
struct ms_status_register status;
struct ms_id_register id;
unsigned char reserved0[8];
struct mspro_param_register param;
unsigned char reserved1[8];
struct mspro_io_info_register io_info;
struct mspro_io_func_register io_func;
unsigned char reserved2[7];
struct mspro_io_cmd_register io_cmd;
unsigned char io_int;
unsigned char io_int_func;
} __attribute__((packed));
struct ms_register_addr {
unsigned char r_offset;
unsigned char r_length;
unsigned char w_offset;
unsigned char w_length;
} __attribute__((packed));
enum {
MS_TPC_READ_MG_STATUS = 0x01,
MS_TPC_READ_LONG_DATA = 0x02,
MS_TPC_READ_SHORT_DATA = 0x03,
MS_TPC_READ_MG_DATA = 0x03,
MS_TPC_READ_REG = 0x04,
MS_TPC_READ_QUAD_DATA = 0x05,
MS_TPC_READ_IO_DATA = 0x05,
MS_TPC_GET_INT = 0x07,
MS_TPC_SET_RW_REG_ADRS = 0x08,
MS_TPC_EX_SET_CMD = 0x09,
MS_TPC_WRITE_QUAD_DATA = 0x0a,
MS_TPC_WRITE_IO_DATA = 0x0a,
MS_TPC_WRITE_REG = 0x0b,
MS_TPC_WRITE_SHORT_DATA = 0x0c,
MS_TPC_WRITE_MG_DATA = 0x0c,
MS_TPC_WRITE_LONG_DATA = 0x0d,
MS_TPC_SET_CMD = 0x0e
};
enum {
MS_CMD_BLOCK_END = 0x33,
MS_CMD_RESET = 0x3c,
MS_CMD_BLOCK_WRITE = 0x55,
MS_CMD_SLEEP = 0x5a,
MS_CMD_BLOCK_ERASE = 0x99,
MS_CMD_BLOCK_READ = 0xaa,
MS_CMD_CLEAR_BUF = 0xc3,
MS_CMD_FLASH_STOP = 0xcc,
MS_CMD_LOAD_ID = 0x60,
MS_CMD_CMP_ICV = 0x7f,
MSPRO_CMD_FORMAT = 0x10,
MSPRO_CMD_SLEEP = 0x11,
MSPRO_CMD_WAKEUP = 0x12,
MSPRO_CMD_READ_DATA = 0x20,
MSPRO_CMD_WRITE_DATA = 0x21,
MSPRO_CMD_READ_ATRB = 0x24,
MSPRO_CMD_STOP = 0x25,
MSPRO_CMD_ERASE = 0x26,
MSPRO_CMD_READ_QUAD = 0x27,
MSPRO_CMD_WRITE_QUAD = 0x28,
MSPRO_CMD_SET_IBD = 0x46,
MSPRO_CMD_GET_IBD = 0x47,
MSPRO_CMD_IN_IO_DATA = 0xb0,
MSPRO_CMD_OUT_IO_DATA = 0xb1,
MSPRO_CMD_READ_IO_ATRB = 0xb2,
MSPRO_CMD_IN_IO_FIFO = 0xb3,
MSPRO_CMD_OUT_IO_FIFO = 0xb4,
MSPRO_CMD_IN_IOM = 0xb5,
MSPRO_CMD_OUT_IOM = 0xb6,
};
/*** Driver structures and functions ***/
#define MEMSTICK_PART_SHIFT 3
enum memstick_param { MEMSTICK_POWER = 1, MEMSTICK_INTERFACE };
#define MEMSTICK_POWER_OFF 0
#define MEMSTICK_POWER_ON 1
#define MEMSTICK_SERIAL 0
#define MEMSTICK_PAR4 1
#define MEMSTICK_PAR8 2
struct memstick_host;
struct memstick_driver;
#define MEMSTICK_MATCH_ALL 0x01
#define MEMSTICK_TYPE_LEGACY 0xff
#define MEMSTICK_TYPE_DUO 0x00
#define MEMSTICK_TYPE_PRO 0x01
#define MEMSTICK_CATEGORY_STORAGE 0xff
#define MEMSTICK_CATEGORY_STORAGE_DUO 0x00
#define MEMSTICK_CLASS_GENERIC 0xff
#define MEMSTICK_CLASS_GENERIC_DUO 0x00
struct memstick_device_id {
unsigned char match_flags;
unsigned char type;
unsigned char category;
unsigned char class;
};
struct memstick_request {
unsigned char tpc;
unsigned char data_dir:1,
need_card_int:1,
get_int_reg:1,
long_data:1;
unsigned char int_reg;
int error;
union {
struct scatterlist sg;
struct {
unsigned char data_len;
unsigned char data[15];
};
};
};
struct memstick_dev {
struct memstick_device_id id;
struct memstick_host *host;
struct ms_register_addr reg_addr;
struct completion mrq_complete;
struct memstick_request current_mrq;
/* Check that media driver is still willing to operate the device. */
int (*check)(struct memstick_dev *card);
/* Get next request from the media driver. */
int (*next_request)(struct memstick_dev *card,
struct memstick_request **mrq);
struct device dev;
};
struct memstick_host {
struct mutex lock;
unsigned int id;
unsigned int caps;
#define MEMSTICK_CAP_AUTO_GET_INT 1
#define MEMSTICK_CAP_PAR4 2
#define MEMSTICK_CAP_PAR8 4
struct work_struct media_checker;
struct class_device cdev;
struct memstick_dev *card;
unsigned int retries;
/* Notify the host that some requests are pending. */
void (*request)(struct memstick_host *host);
/* Set host IO parameters (power, clock, etc). */
void (*set_param)(struct memstick_host *host,
enum memstick_param param,
int value);
unsigned long private[0] ____cacheline_aligned;
};
struct memstick_driver {
struct memstick_device_id *id_table;
int (*probe)(struct memstick_dev *card);
void (*remove)(struct memstick_dev *card);
int (*suspend)(struct memstick_dev *card,
pm_message_t state);
int (*resume)(struct memstick_dev *card);
struct device_driver driver;
};
int memstick_register_driver(struct memstick_driver *drv);
void memstick_unregister_driver(struct memstick_driver *drv);
struct memstick_host *memstick_alloc_host(unsigned int extra,
struct device *dev);
int memstick_add_host(struct memstick_host *host);
void memstick_remove_host(struct memstick_host *host);
void memstick_free_host(struct memstick_host *host);
void memstick_detect_change(struct memstick_host *host);
void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc,
struct scatterlist *sg);
void memstick_init_req(struct memstick_request *mrq, unsigned char tpc,
void *buf, size_t length);
int memstick_next_req(struct memstick_host *host,
struct memstick_request **mrq);
void memstick_new_req(struct memstick_host *host);
int memstick_set_rw_addr(struct memstick_dev *card);
static inline void *memstick_priv(struct memstick_host *host)
{
return (void *)host->private;
}
static inline void *memstick_get_drvdata(struct memstick_dev *card)
{
return dev_get_drvdata(&card->dev);
}
static inline void memstick_set_drvdata(struct memstick_dev *card, void *data)
{
dev_set_drvdata(&card->dev, data);
}
#endif
|
