1 #include <linux/sched.h>
2 #include <linux/errno.h>
3 #include <linux/slab.h>
6 #include <scsi/scsi_eh.h>
7 #include <scsi/scsi_device.h>
11 #include "transport.h"
17 int ENE_InitMedia(struct us_data *us)
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;
28 printk(KERN_INFO "MiscReg03 = %x\n", MiscReg03);
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;
44 int ENE_Read_BYTE(struct us_data *us, WORD index, void *buf)
46 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
49 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
50 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
51 bcb->DataTransferLength = 0x01;
54 bcb->CDB[2] = (BYTE)(index>>8);
55 bcb->CDB[3] = (BYTE)index;
57 result = ENE_SendScsiCmd(us, FDIR_READ, buf, 0);
64 int ENE_SMInit(struct us_data *us)
66 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
70 printk(KERN_INFO "transport --- ENE_SMInit\n");
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;
78 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
79 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
80 bcb->DataTransferLength = 0x200;
85 result = ENE_SendScsiCmd(us, FDIR_READ, &buf, 0);
86 if (result != USB_STOR_XFER_GOOD) {
88 "Execution SM Init Code Fail !! result = %x\n", result);
89 return USB_STOR_TRANSPORT_ERROR;
92 us->SM_Status = *(PSM_STATUS)&buf[0];
94 us->SM_DeviceID = buf[1];
95 us->SM_CardID = buf[2];
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);
104 Check_D_MediaFmt(us);
106 printk(KERN_ERR "SM Card Not Ready --- %x\n", buf[0]);
107 return USB_STOR_TRANSPORT_ERROR;
110 return USB_STOR_TRANSPORT_GOOD;
116 int ENE_LoadBinCode(struct us_data *us, BYTE flag)
118 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
123 /* printk(KERN_INFO "transport --- ENE_LoadBinCode\n"); */
124 if (us->BIN_FLAG == flag)
125 return USB_STOR_TRANSPORT_GOOD;
127 buf = kmalloc(0x800, GFP_KERNEL);
129 return USB_STOR_TRANSPORT_ERROR;
132 case SM_INIT_PATTERN:
133 printk(KERN_INFO "SM_INIT_PATTERN\n");
134 memcpy(buf, SM_Init, 0x800);
137 printk(KERN_INFO "SM_RW_PATTERN\n");
138 memcpy(buf, SM_Rdwr, 0x800);
142 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
143 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
144 bcb->DataTransferLength = 0x800;
148 result = ENE_SendScsiCmd(us, FDIR_WRITE, buf, 0);
158 int ENE_SendScsiCmd(struct us_data *us, BYTE fDir, void *buf, int use_sg)
160 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
161 struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;
164 unsigned int transfer_length = bcb->DataTransferLength,
165 cswlen = 0, partial = 0;
166 unsigned int residue;
168 /* printk(KERN_INFO "transport --- ENE_SendScsiCmd\n"); */
169 /* send cmd to out endpoint */
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;
178 unsigned int pipe = fDir;
180 if (fDir == FDIR_READ)
181 pipe = us->recv_bulk_pipe;
183 pipe = us->send_bulk_pipe;
187 result = usb_stor_bulk_srb(us, pipe, us->srb);
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;
197 /* Get CSW for device status */
198 result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
199 US_BULK_CS_WRAP_LEN, &cswlen);
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);
207 if (result == USB_STOR_XFER_STALLED) {
208 /* get the status again */
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);
214 if (result != USB_STOR_XFER_GOOD)
215 return USB_STOR_TRANSPORT_ERROR;
217 /* check bulk status */
218 residue = le32_to_cpu(bcs->Residue);
221 * try to compute the actual residue, based on how much data
222 * was really transferred and what the device tells us
224 if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE)) {
225 residue = min(residue, transfer_length);
227 scsi_set_resid(us->srb, max(scsi_get_resid(us->srb),
231 if (bcs->Status != US_BULK_STAT_OK)
232 return USB_STOR_TRANSPORT_ERROR;
234 return USB_STOR_TRANSPORT_GOOD;
240 int ENE_Read_Data(struct us_data *us, void *buf, unsigned int length)
242 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
243 struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;
246 /* printk(KERN_INFO "transport --- ENE_Read_Data\n"); */
247 /* set up the command wrapper */
248 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
249 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
250 bcb->DataTransferLength = length;
256 /* send cmd to out endpoint */
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;
263 result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
265 if (result != USB_STOR_XFER_GOOD)
266 return USB_STOR_TRANSPORT_ERROR;
268 /* Get CSW for device status */
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;
276 return USB_STOR_TRANSPORT_GOOD;
282 int ENE_Write_Data(struct us_data *us, void *buf, unsigned int length)
284 struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
285 struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;
288 /* printk("transport --- ENE_Write_Data\n"); */
289 /* set up the command wrapper */
290 memset(bcb, 0, sizeof(struct bulk_cb_wrap));
291 bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
292 bcb->DataTransferLength = length;
298 /* send cmd to out endpoint */
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;
305 result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
307 if (result != USB_STOR_XFER_GOOD)
308 return USB_STOR_TRANSPORT_ERROR;
310 /* Get CSW for device status */
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;
318 return USB_STOR_TRANSPORT_GOOD;
322 * usb_stor_print_cmd():
324 void usb_stor_print_cmd(struct scsi_cmnd *srb)
326 PBYTE Cdb = srb->cmnd;
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);
335 case TEST_UNIT_READY:
337 "scsi cmd %X --- SCSIOP_TEST_UNIT_READY\n", cmd); */
340 printk(KERN_INFO "scsi cmd %X --- SCSIOP_INQUIRY\n", cmd);
343 printk(KERN_INFO "scsi cmd %X --- SCSIOP_MODE_SENSE\n", cmd);
346 printk(KERN_INFO "scsi cmd %X --- SCSIOP_START_STOP\n", cmd);
349 printk(KERN_INFO "scsi cmd %X --- SCSIOP_READ_CAPACITY\n", cmd);
353 "scsi cmd %X --- SCSIOP_READ,bn = %X, blen = %X\n"
358 "scsi cmd %X --- SCSIOP_WRITE,
359 bn = %X, blen = %X\n" , cmd, bn, blen); */
361 case ALLOW_MEDIUM_REMOVAL:
363 "scsi cmd %X --- SCSIOP_ALLOW_MEDIUM_REMOVAL\n", cmd);
366 printk(KERN_INFO "scsi cmd %X --- Other cmd\n", cmd);