1#include <linux/sched.h>
2#include <linux/errno.h>
3#include <linux/slab.h>
4
5#include <scsi/scsi.h>
6#include <scsi/scsi_eh.h>
7#include <scsi/scsi_device.h>
8
9#include "usb.h"
10#include "scsiglue.h"
11#include "transport.h"
12#include "init.h"
13
14
15
16
17int ENE_InitMedia(struct us_data *us)
18{
19 int result;
20 BYTE MiscReg03 = 0;
21
22 printk(KERN_INFO "--- Init Media ---\n");
23 result = ENE_Read_BYTE(us, REG_CARD_STATUS, &MiscReg03);
24 if (result != USB_STOR_XFER_GOOD) {
25 printk(KERN_ERR "Read register fail !!\n");
26 return USB_STOR_TRANSPORT_ERROR;
27 }
28 printk(KERN_INFO "MiscReg03 = %x\n", MiscReg03);
29
30 if (MiscReg03 & 0x02) {
31 if (!us->SM_Status.Ready && !us->MS_Status.Ready) {
32 result = ENE_SMInit(us);
33 if (result != USB_STOR_XFER_GOOD)
34 return USB_STOR_TRANSPORT_ERROR;
35 }
36
37 }
38 return result;
39}
40
41
42
43
44int ENE_Read_BYTE(struct us_data *us, WORD index, void *buf)
45{
46 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
47 int result;
48
49 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
50 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
51 bcb->DataTransferLength = 0x01;
52 bcb->Flags = 0x80;
53 bcb->CDB[0] = 0xED;
54 bcb->CDB[2] = (BYTE)(index>>8);
55 bcb->CDB[3] = (BYTE)index;
56
57 result = ENE_SendScsiCmd(us, FDIR_READ, buf, 0);
58 return result;
59}
60
61
62
63
64int ENE_SMInit(struct us_data *us)
65{
66 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
67 int result;
68 BYTE buf[0x200];
69
70 printk(KERN_INFO "transport --- ENE_SMInit\n");
71
72 result = ENE_LoadBinCode(us, SM_INIT_PATTERN);
73 if (result != USB_STOR_XFER_GOOD) {
74 printk(KERN_INFO "Load SM Init Code Fail !!\n");
75 return USB_STOR_TRANSPORT_ERROR;
76 }
77
78 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
79 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
80 bcb->DataTransferLength = 0x200;
81 bcb->Flags = 0x80;
82 bcb->CDB[0] = 0xF1;
83 bcb->CDB[1] = 0x01;
84
85 result = ENE_SendScsiCmd(us, FDIR_READ, &buf, 0);
86 if (result != USB_STOR_XFER_GOOD) {
87 printk(KERN_ERR
88 "Execution SM Init Code Fail !! result = %x\n", result);
89 return USB_STOR_TRANSPORT_ERROR;
90 }
91
92 us->SM_Status = *(PSM_STATUS)&buf[0];
93
94 us->SM_DeviceID = buf[1];
95 us->SM_CardID = buf[2];
96
97 if (us->SM_Status.Insert && us->SM_Status.Ready) {
98 printk(KERN_INFO "Insert = %x\n", us->SM_Status.Insert);
99 printk(KERN_INFO "Ready = %x\n", us->SM_Status.Ready);
100 printk(KERN_INFO "WtP = %x\n", us->SM_Status.WtP);
101 printk(KERN_INFO "DeviceID = %x\n", us->SM_DeviceID);
102 printk(KERN_INFO "CardID = %x\n", us->SM_CardID);
103 MediaChange = 1;
104 Check_D_MediaFmt(us);
105 } else {
106 printk(KERN_ERR "SM Card Not Ready --- %x\n", buf[0]);
107 return USB_STOR_TRANSPORT_ERROR;
108 }
109
110 return USB_STOR_TRANSPORT_GOOD;
111}
112
113
114
115
116int ENE_LoadBinCode(struct us_data *us, BYTE flag)
117{
118 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
119 int result;
120
121 PBYTE buf;
122
123
124 if (us->BIN_FLAG == flag)
125 return USB_STOR_TRANSPORT_GOOD;
126
127 buf = kmalloc(0x800, GFP_KERNEL);
128 if (buf == NULL)
129 return USB_STOR_TRANSPORT_ERROR;
130 switch (flag) {
131
132 case SM_INIT_PATTERN:
133 printk(KERN_INFO "SM_INIT_PATTERN\n");
134 memcpy(buf, SM_Init, 0x800);
135 break;
136 case SM_RW_PATTERN:
137 printk(KERN_INFO "SM_RW_PATTERN\n");
138 memcpy(buf, SM_Rdwr, 0x800);
139 break;
140 }
141
142 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
143 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
144 bcb->DataTransferLength = 0x800;
145 bcb->Flags = 0x00;
146 bcb->CDB[0] = 0xEF;
147
148 result = ENE_SendScsiCmd(us, FDIR_WRITE, buf, 0);
149
150 kfree(buf);
151 us->BIN_FLAG = flag;
152 return result;
153}
154
155
156
157
158int ENE_SendScsiCmd(struct us_data *us, BYTE fDir, void *buf, int use_sg)
159{
160 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
161 struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;
162
163 int result;
164 unsigned int transfer_length = bcb->DataTransferLength,
165 cswlen = 0, partial = 0;
166 unsigned int residue;
167
168
169
170 result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
171 bcb, US_BULK_CB_WRAP_LEN, NULL);
172 if (result != USB_STOR_XFER_GOOD) {
173 printk(KERN_ERR "send cmd to out endpoint fail ---\n");
174 return USB_STOR_TRANSPORT_ERROR;
175 }
176
177 if (buf) {
178 unsigned int pipe = fDir;
179
180 if (fDir == FDIR_READ)
181 pipe = us->recv_bulk_pipe;
182 else
183 pipe = us->send_bulk_pipe;
184
185
186 if (use_sg)
187 result = usb_stor_bulk_srb(us, pipe, us->srb);
188 else
189 result = usb_stor_bulk_transfer_sg(us, pipe, buf,
190 transfer_length, 0, &partial);
191 if (result != USB_STOR_XFER_GOOD) {
192 printk(KERN_ERR "data transfer fail ---\n");
193 return USB_STOR_TRANSPORT_ERROR;
194 }
195 }
196
197
198 result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
199 US_BULK_CS_WRAP_LEN, &cswlen);
200
201 if (result == USB_STOR_XFER_SHORT && cswlen == 0) {
202 printk(KERN_WARNING "Received 0-length CSW; retrying...\n");
203 result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
204 bcs, US_BULK_CS_WRAP_LEN, &cswlen);
205 }
206
207 if (result == USB_STOR_XFER_STALLED) {
208
209 printk(KERN_WARNING "Attempting to get CSW (2nd try)...\n");
210 result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
211 bcs, US_BULK_CS_WRAP_LEN, NULL);
212 }
213
214 if (result != USB_STOR_XFER_GOOD)
215 return USB_STOR_TRANSPORT_ERROR;
216
217
218 residue = le32_to_cpu(bcs->Residue);
219
220
221
222
223
224 if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE)) {
225 residue = min(residue, transfer_length);
226 if (us->srb)
227 scsi_set_resid(us->srb, max(scsi_get_resid(us->srb),
228 (int) residue));
229 }
230
231 if (bcs->Status != US_BULK_STAT_OK)
232 return USB_STOR_TRANSPORT_ERROR;
233
234 return USB_STOR_TRANSPORT_GOOD;
235}
236
237
238
239
240int ENE_Read_Data(struct us_data *us, void *buf, unsigned int length)
241{
242 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
243 struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;
244 int result;
245
246
247
248 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
249 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
250 bcb->DataTransferLength = length;
251 bcb->Flags = 0x80;
252 bcb->CDB[0] = 0xED;
253 bcb->CDB[2] = 0xFF;
254 bcb->CDB[3] = 0x81;
255
256
257 result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, bcb,
258 US_BULK_CB_WRAP_LEN, NULL);
259 if (result != USB_STOR_XFER_GOOD)
260 return USB_STOR_TRANSPORT_ERROR;
261
262
263 result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
264 buf, length, NULL);
265 if (result != USB_STOR_XFER_GOOD)
266 return USB_STOR_TRANSPORT_ERROR;
267
268
269 result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
270 US_BULK_CS_WRAP_LEN, NULL);
271 if (result != USB_STOR_XFER_GOOD)
272 return USB_STOR_TRANSPORT_ERROR;
273 if (bcs->Status != US_BULK_STAT_OK)
274 return USB_STOR_TRANSPORT_ERROR;
275
276 return USB_STOR_TRANSPORT_GOOD;
277}
278
279
280
281
282int ENE_Write_Data(struct us_data *us, void *buf, unsigned int length)
283{
284 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
285 struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;
286 int result;
287
288
289
290 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
291 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
292 bcb->DataTransferLength = length;
293 bcb->Flags = 0x00;
294 bcb->CDB[0] = 0xEE;
295 bcb->CDB[2] = 0xFF;
296 bcb->CDB[3] = 0x81;
297
298
299 result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, bcb,
300 US_BULK_CB_WRAP_LEN, NULL);
301 if (result != USB_STOR_XFER_GOOD)
302 return USB_STOR_TRANSPORT_ERROR;
303
304
305 result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
306 buf, length, NULL);
307 if (result != USB_STOR_XFER_GOOD)
308 return USB_STOR_TRANSPORT_ERROR;
309
310
311 result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
312 US_BULK_CS_WRAP_LEN, NULL);
313 if (result != USB_STOR_XFER_GOOD)
314 return USB_STOR_TRANSPORT_ERROR;
315 if (bcs->Status != US_BULK_STAT_OK)
316 return USB_STOR_TRANSPORT_ERROR;
317
318 return USB_STOR_TRANSPORT_GOOD;
319}
320
321
322
323
324void usb_stor_print_cmd(struct scsi_cmnd *srb)
325{
326 PBYTE Cdb = srb->cmnd;
327 DWORD cmd = Cdb[0];
328 DWORD bn = ((Cdb[2] << 24) & 0xff000000) |
329 ((Cdb[3] << 16) & 0x00ff0000) |
330 ((Cdb[4] << 8) & 0x0000ff00) |
331 ((Cdb[5] << 0) & 0x000000ff);
332 WORD blen = ((Cdb[7] << 8) & 0xff00) | ((Cdb[8] << 0) & 0x00ff);
333
334 switch (cmd) {
335 case TEST_UNIT_READY:
336
337
338 break;
339 case INQUIRY:
340 printk(KERN_INFO "scsi cmd %X --- SCSIOP_INQUIRY\n", cmd);
341 break;
342 case MODE_SENSE:
343 printk(KERN_INFO "scsi cmd %X --- SCSIOP_MODE_SENSE\n", cmd);
344 break;
345 case START_STOP:
346 printk(KERN_INFO "scsi cmd %X --- SCSIOP_START_STOP\n", cmd);
347 break;
348 case READ_CAPACITY:
349 printk(KERN_INFO "scsi cmd %X --- SCSIOP_READ_CAPACITY\n", cmd);
350 break;
351 case READ_10:
352
353
354
355 break;
356 case WRITE_10:
357
358
359
360 break;
361 case ALLOW_MEDIUM_REMOVAL:
362 printk(KERN_INFO
363 "scsi cmd %X --- SCSIOP_ALLOW_MEDIUM_REMOVAL\n", cmd);
364 break;
365 default:
366 printk(KERN_INFO "scsi cmd %X --- Other cmd\n", cmd);
367 break;
368 }
369 bn = 0;
370 blen = 0;
371}
372
373
