2 * Sony MemoryStick support
4 * Copyright (C) 2007 Alex Dubov <oakad@yahoo.com>
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.
15 #include <linux/workqueue.h>
16 #include <linux/scatterlist.h>
17 #include <linux/device.h>
19 /*** Hardware based structures ***/
21 struct ms_status_register {
22 unsigned char reserved;
23 unsigned char interrupt;
24 #define MEMSTICK_INT_CMDNAK 0x0001
25 #define MEMSTICK_INT_IOREQ 0x0008
26 #define MEMSTICK_INT_IOBREQ 0x0010
27 #define MEMSTICK_INT_BREQ 0x0020
28 #define MEMSTICK_INT_ERR 0x0040
29 #define MEMSTICK_INT_CED 0x0080
31 unsigned char status0;
32 #define MEMSTICK_STATUS0_WP 0x0001
33 #define MEMSTICK_STATUS0_SL 0x0002
34 #define MEMSTICK_STATUS0_BF 0x0010
35 #define MEMSTICK_STATUS0_BE 0x0020
36 #define MEMSTICK_STATUS0_FB0 0x0040
37 #define MEMSTICK_STATUS0_MB 0x0080
39 unsigned char status1;
40 #define MEMSTICK_STATUS1_UCFG 0x0001
41 #define MEMSTICK_STATUS1_FGER 0x0002
42 #define MEMSTICK_STATUS1_UCEX 0x0004
43 #define MEMSTICK_STATUS1_EXER 0x0008
44 #define MEMSTICK_STATUS1_UCDT 0x0010
45 #define MEMSTICK_STATUS1_DTER 0x0020
46 #define MEMSTICK_STATUS1_FBI 0x0040
47 #define MEMSTICK_STATUS1_MB 0x0080
48 } __attribute__((packed));
50 struct ms_id_register {
52 unsigned char if_mode;
53 unsigned char category;
55 } __attribute__((packed));
57 struct ms_param_register {
59 #define MEMSTICK_SYS_ATEN 0xc0
60 #define MEMSTICK_SYS_BAMD 0x80
61 #define MEMSTICK_SYS_PAM 0x08
63 unsigned char block_address_msb;
64 unsigned short block_address;
66 #define MEMSTICK_CP_BLOCK 0x0000
67 #define MEMSTICK_CP_PAGE 0x0020
68 #define MEMSTICK_CP_EXTRA 0x0040
69 #define MEMSTICK_CP_OVERWRITE 0x0080
71 unsigned char page_address;
72 } __attribute__((packed));
74 struct ms_extra_data_register {
75 unsigned char overwrite_flag;
76 #define MEMSTICK_OVERWRITE_UPDATA 0x0010
77 #define MEMSTICK_OVERWRITE_PAGE 0x0060
78 #define MEMSTICK_OVERWRITE_BLOCK 0x0080
80 unsigned char management_flag;
81 #define MEMSTICK_MANAGEMENT_SYSTEM 0x0004
82 #define MEMSTICK_MANAGEMENT_TRANS_TABLE 0x0008
83 #define MEMSTICK_MANAGEMENT_COPY 0x0010
84 #define MEMSTICK_MANAGEMENT_ACCESS 0x0020
86 unsigned short logical_address;
87 } __attribute__((packed));
90 struct ms_status_register status;
91 struct ms_id_register id;
92 unsigned char reserved[8];
93 struct ms_param_register param;
94 struct ms_extra_data_register extra_data;
95 } __attribute__((packed));
97 struct mspro_param_register {
99 #define MEMSTICK_SYS_SERIAL 0x80
100 #define MEMSTICK_SYS_PAR4 0x00
101 #define MEMSTICK_SYS_PAR8 0x40
103 unsigned short data_count;
104 unsigned int data_address;
105 unsigned char tpc_param;
106 } __attribute__((packed));
108 struct mspro_io_info_register {
109 unsigned char version;
110 unsigned char io_category;
111 unsigned char current_req;
112 unsigned char card_opt_info;
113 unsigned char rdy_wait_time;
114 } __attribute__((packed));
116 struct mspro_io_func_register {
117 unsigned char func_enable;
118 unsigned char func_select;
119 unsigned char func_intmask;
120 unsigned char transfer_mode;
121 } __attribute__((packed));
123 struct mspro_io_cmd_register {
124 unsigned short tpc_param;
125 unsigned short data_count;
126 unsigned int data_address;
127 } __attribute__((packed));
129 struct mspro_register {
130 struct ms_status_register status;
131 struct ms_id_register id;
132 unsigned char reserved0[8];
133 struct mspro_param_register param;
134 unsigned char reserved1[8];
135 struct mspro_io_info_register io_info;
136 struct mspro_io_func_register io_func;
137 unsigned char reserved2[7];
138 struct mspro_io_cmd_register io_cmd;
139 unsigned char io_int;
140 unsigned char io_int_func;
141 } __attribute__((packed));
143 struct ms_register_addr {
144 unsigned char r_offset;
145 unsigned char r_length;
146 unsigned char w_offset;
147 unsigned char w_length;
148 } __attribute__((packed));
151 MS_TPC_READ_MG_STATUS = 0x01,
152 MS_TPC_READ_LONG_DATA = 0x02,
153 MS_TPC_READ_SHORT_DATA = 0x03,
154 MS_TPC_READ_MG_DATA = 0x03,
155 MS_TPC_READ_REG = 0x04,
156 MS_TPC_READ_QUAD_DATA = 0x05,
157 MS_TPC_READ_IO_DATA = 0x05,
158 MS_TPC_GET_INT = 0x07,
159 MS_TPC_SET_RW_REG_ADRS = 0x08,
160 MS_TPC_EX_SET_CMD = 0x09,
161 MS_TPC_WRITE_QUAD_DATA = 0x0a,
162 MS_TPC_WRITE_IO_DATA = 0x0a,
163 MS_TPC_WRITE_REG = 0x0b,
164 MS_TPC_WRITE_SHORT_DATA = 0x0c,
165 MS_TPC_WRITE_MG_DATA = 0x0c,
166 MS_TPC_WRITE_LONG_DATA = 0x0d,
167 MS_TPC_SET_CMD = 0x0e
171 MS_CMD_BLOCK_END = 0x33,
173 MS_CMD_BLOCK_WRITE = 0x55,
175 MS_CMD_BLOCK_ERASE = 0x99,
176 MS_CMD_BLOCK_READ = 0xaa,
177 MS_CMD_CLEAR_BUF = 0xc3,
178 MS_CMD_FLASH_STOP = 0xcc,
179 MS_CMD_LOAD_ID = 0x60,
180 MS_CMD_CMP_ICV = 0x7f,
181 MSPRO_CMD_FORMAT = 0x10,
182 MSPRO_CMD_SLEEP = 0x11,
183 MSPRO_CMD_WAKEUP = 0x12,
184 MSPRO_CMD_READ_DATA = 0x20,
185 MSPRO_CMD_WRITE_DATA = 0x21,
186 MSPRO_CMD_READ_ATRB = 0x24,
187 MSPRO_CMD_STOP = 0x25,
188 MSPRO_CMD_ERASE = 0x26,
189 MSPRO_CMD_READ_QUAD = 0x27,
190 MSPRO_CMD_WRITE_QUAD = 0x28,
191 MSPRO_CMD_SET_IBD = 0x46,
192 MSPRO_CMD_GET_IBD = 0x47,
193 MSPRO_CMD_IN_IO_DATA = 0xb0,
194 MSPRO_CMD_OUT_IO_DATA = 0xb1,
195 MSPRO_CMD_READ_IO_ATRB = 0xb2,
196 MSPRO_CMD_IN_IO_FIFO = 0xb3,
197 MSPRO_CMD_OUT_IO_FIFO = 0xb4,
198 MSPRO_CMD_IN_IOM = 0xb5,
199 MSPRO_CMD_OUT_IOM = 0xb6,
202 /*** Driver structures and functions ***/
204 #define MEMSTICK_PART_SHIFT 3
206 enum memstick_param { MEMSTICK_POWER = 1, MEMSTICK_INTERFACE };
208 #define MEMSTICK_POWER_OFF 0
209 #define MEMSTICK_POWER_ON 1
211 #define MEMSTICK_SERIAL 0
212 #define MEMSTICK_PAR4 1
213 #define MEMSTICK_PAR8 2
215 struct memstick_host;
216 struct memstick_driver;
218 #define MEMSTICK_MATCH_ALL 0x01
220 #define MEMSTICK_TYPE_LEGACY 0xff
221 #define MEMSTICK_TYPE_DUO 0x00
222 #define MEMSTICK_TYPE_PRO 0x01
224 #define MEMSTICK_CATEGORY_STORAGE 0xff
225 #define MEMSTICK_CATEGORY_STORAGE_DUO 0x00
227 #define MEMSTICK_CLASS_GENERIC 0xff
228 #define MEMSTICK_CLASS_GENERIC_DUO 0x00
231 struct memstick_device_id {
232 unsigned char match_flags;
234 unsigned char category;
238 struct memstick_request {
240 unsigned char data_dir:1,
243 unsigned char int_reg;
246 struct scatterlist sg;
248 unsigned char data_len;
249 unsigned char data[15];
254 struct memstick_dev {
255 struct memstick_device_id id;
256 struct memstick_host *host;
257 struct ms_register_addr reg_addr;
258 struct completion mrq_complete;
259 struct memstick_request current_mrq;
261 /* Check that media driver is still willing to operate the device. */
262 int (*check)(struct memstick_dev *card);
263 /* Get next request from the media driver. */
264 int (*next_request)(struct memstick_dev *card,
265 struct memstick_request **mrq);
266 /* Tell the media driver to stop doing things */
267 void (*stop)(struct memstick_dev *card);
268 /* Allow the media driver to continue */
269 void (*start)(struct memstick_dev *card);
274 struct memstick_host {
278 #define MEMSTICK_CAP_AUTO_GET_INT 1
279 #define MEMSTICK_CAP_PAR4 2
280 #define MEMSTICK_CAP_PAR8 4
282 struct work_struct media_checker;
285 struct memstick_dev *card;
286 unsigned int retries;
288 /* Notify the host that some requests are pending. */
289 void (*request)(struct memstick_host *host);
290 /* Set host IO parameters (power, clock, etc). */
291 int (*set_param)(struct memstick_host *host,
292 enum memstick_param param,
294 unsigned long private[0] ____cacheline_aligned;
297 struct memstick_driver {
298 struct memstick_device_id *id_table;
299 int (*probe)(struct memstick_dev *card);
300 void (*remove)(struct memstick_dev *card);
301 int (*suspend)(struct memstick_dev *card,
303 int (*resume)(struct memstick_dev *card);
305 struct device_driver driver;
308 int memstick_register_driver(struct memstick_driver *drv);
309 void memstick_unregister_driver(struct memstick_driver *drv);
311 struct memstick_host *memstick_alloc_host(unsigned int extra,
314 int memstick_add_host(struct memstick_host *host);
315 void memstick_remove_host(struct memstick_host *host);
316 void memstick_free_host(struct memstick_host *host);
317 void memstick_detect_change(struct memstick_host *host);
318 void memstick_suspend_host(struct memstick_host *host);
319 void memstick_resume_host(struct memstick_host *host);
321 void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc,
322 struct scatterlist *sg);
323 void memstick_init_req(struct memstick_request *mrq, unsigned char tpc,
324 void *buf, size_t length);
325 int memstick_next_req(struct memstick_host *host,
326 struct memstick_request **mrq);
327 void memstick_new_req(struct memstick_host *host);
329 int memstick_set_rw_addr(struct memstick_dev *card);
331 static inline void *memstick_priv(struct memstick_host *host)
333 return (void *)host->private;
336 static inline void *memstick_get_drvdata(struct memstick_dev *card)
338 return dev_get_drvdata(&card->dev);
341 static inline void memstick_set_drvdata(struct memstick_dev *card, void *data)
343 dev_set_drvdata(&card->dev, data);