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path: root/drivers/staging/keucr/sdscsi.c
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-rw-r--r--drivers/staging/keucr/sdscsi.c210
1 files changed, 210 insertions, 0 deletions
diff --git a/drivers/staging/keucr/sdscsi.c b/drivers/staging/keucr/sdscsi.c
new file mode 100644
index 0000000..6c332f8
--- /dev/null
+++ b/drivers/staging/keucr/sdscsi.c
@@ -0,0 +1,210 @@
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_device.h>
+
+#include "usb.h"
+#include "scsiglue.h"
+#include "transport.h"
+
+int SD_SCSI_Test_Unit_Ready (struct us_data *us, struct scsi_cmnd *srb);
+int SD_SCSI_Inquiry (struct us_data *us, struct scsi_cmnd *srb);
+int SD_SCSI_Mode_Sense (struct us_data *us, struct scsi_cmnd *srb);
+int SD_SCSI_Start_Stop (struct us_data *us, struct scsi_cmnd *srb);
+int SD_SCSI_Read_Capacity (struct us_data *us, struct scsi_cmnd *srb);
+int SD_SCSI_Read (struct us_data *us, struct scsi_cmnd *srb);
+int SD_SCSI_Write (struct us_data *us, struct scsi_cmnd *srb);
+
+//----- SD_SCSIIrp() --------------------------------------------------
+int SD_SCSIIrp(struct us_data *us, struct scsi_cmnd *srb)
+{
+ int result;
+
+ us->SrbStatus = SS_SUCCESS;
+ switch (srb->cmnd[0])
+ {
+ case TEST_UNIT_READY : result = SD_SCSI_Test_Unit_Ready (us, srb); break; //0x00
+ case INQUIRY : result = SD_SCSI_Inquiry (us, srb); break; //0x12
+ case MODE_SENSE : result = SD_SCSI_Mode_Sense (us, srb); break; //0x1A
+// case START_STOP : result = SD_SCSI_Start_Stop (us, srb); break; //0x1B
+ case READ_CAPACITY : result = SD_SCSI_Read_Capacity (us, srb); break; //0x25
+ case READ_10 : result = SD_SCSI_Read (us, srb); break; //0x28
+ case WRITE_10 : result = SD_SCSI_Write (us, srb); break; //0x2A
+
+ default:
+ us->SrbStatus = SS_ILLEGAL_REQUEST;
+ result = USB_STOR_TRANSPORT_FAILED;
+ break;
+ }
+ return result;
+}
+
+//----- SD_SCSI_Test_Unit_Ready() --------------------------------------------------
+int SD_SCSI_Test_Unit_Ready(struct us_data *us, struct scsi_cmnd *srb)
+{
+ //printk("SD_SCSI_Test_Unit_Ready\n");
+ if (us->SD_Status.Insert && us->SD_Status.Ready)
+ return USB_STOR_TRANSPORT_GOOD;
+ else
+ {
+ ENE_SDInit(us);
+ return USB_STOR_TRANSPORT_GOOD;
+ }
+
+ return USB_STOR_TRANSPORT_GOOD;
+}
+
+//----- SD_SCSI_Inquiry() --------------------------------------------------
+int SD_SCSI_Inquiry(struct us_data *us, struct scsi_cmnd *srb)
+{
+ //printk("SD_SCSI_Inquiry\n");
+ BYTE data_ptr[36] = {0x00, 0x80, 0x02, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x55, 0x53, 0x42, 0x32, 0x2E, 0x30, 0x20, 0x20, 0x43, 0x61, 0x72, 0x64, 0x52, 0x65, 0x61, 0x64, 0x65, 0x72, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x30, 0x31, 0x30, 0x30};
+
+ usb_stor_set_xfer_buf(us, data_ptr, 36, srb, TO_XFER_BUF);
+ return USB_STOR_TRANSPORT_GOOD;
+}
+
+
+//----- SD_SCSI_Mode_Sense() --------------------------------------------------
+int SD_SCSI_Mode_Sense(struct us_data *us, struct scsi_cmnd *srb)
+{
+ BYTE mediaNoWP[12] = {0x0b,0x00,0x00,0x08,0x00,0x00,0x71,0xc0,0x00,0x00,0x02,0x00};
+ BYTE mediaWP[12] = {0x0b,0x00,0x80,0x08,0x00,0x00,0x71,0xc0,0x00,0x00,0x02,0x00};
+
+ if (us->SD_Status.WtP)
+ usb_stor_set_xfer_buf(us, mediaWP, 12, srb, TO_XFER_BUF);
+ else
+ usb_stor_set_xfer_buf(us, mediaNoWP, 12, srb, TO_XFER_BUF);
+
+
+ return USB_STOR_TRANSPORT_GOOD;
+}
+
+//----- SD_SCSI_Read_Capacity() --------------------------------------------------
+int SD_SCSI_Read_Capacity(struct us_data *us, struct scsi_cmnd *srb)
+{
+ unsigned int offset = 0;
+ struct scatterlist *sg = NULL;
+ DWORD bl_num;
+ WORD bl_len;
+ BYTE buf[8];
+
+ printk("SD_SCSI_Read_Capacity\n");
+ if ( us->SD_Status.HiCapacity )
+ {
+ bl_len = 0x200;
+ if (us->SD_Status.IsMMC)
+ bl_num = us->HC_C_SIZE-1;
+ else
+ bl_num = (us->HC_C_SIZE + 1) * 1024 - 1;
+ }
+ else
+ {
+ bl_len = 1<<(us->SD_READ_BL_LEN);
+ bl_num = us->SD_Block_Mult*(us->SD_C_SIZE+1)*(1<<(us->SD_C_SIZE_MULT+2)) - 1;
+ }
+ us->bl_num = bl_num;
+ printk("bl_len = %x\n", bl_len);
+ printk("bl_num = %x\n", bl_num);
+
+ //srb->request_bufflen = 8;
+ buf[0] = (bl_num>>24) & 0xff;
+ buf[1] = (bl_num>>16) & 0xff;
+ buf[2] = (bl_num>> 8) & 0xff;
+ buf[3] = (bl_num>> 0) & 0xff;
+ buf[4] = (bl_len>>24) & 0xff;
+ buf[5] = (bl_len>>16) & 0xff;
+ buf[6] = (bl_len>> 8) & 0xff;
+ buf[7] = (bl_len>> 0) & 0xff;
+
+ usb_stor_access_xfer_buf(us, buf, 8, srb, &sg, &offset, TO_XFER_BUF);
+ //usb_stor_set_xfer_buf(us, buf, srb->request_bufflen, srb, TO_XFER_BUF);
+
+ return USB_STOR_TRANSPORT_GOOD;
+}
+
+//----- SD_SCSI_Read() --------------------------------------------------
+int SD_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb)
+{
+ struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
+ int result;
+ PBYTE Cdb = srb->cmnd;
+ DWORD bn = ((Cdb[2]<<24) & 0xff000000) | ((Cdb[3]<<16) & 0x00ff0000) |
+ ((Cdb[4]<< 8) & 0x0000ff00) | ((Cdb[5]<< 0) & 0x000000ff);
+ WORD blen = ((Cdb[7]<< 8) & 0xff00) | ((Cdb[8]<< 0) & 0x00ff);
+ DWORD bnByte = bn * 0x200;
+ DWORD blenByte = blen * 0x200;
+
+ if (bn > us->bl_num)
+ return USB_STOR_TRANSPORT_ERROR;
+
+ result = ENE_LoadBinCode(us, SD_RW_PATTERN);
+ if (result != USB_STOR_XFER_GOOD)
+ {
+ printk("Load SD RW pattern Fail !!\n");
+ return USB_STOR_TRANSPORT_ERROR;
+ }
+
+ if ( us->SD_Status.HiCapacity )
+ bnByte = bn;
+
+ // set up the command wrapper
+ memset(bcb, 0, sizeof(bcb));
+ bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
+ bcb->DataTransferLength = blenByte;
+ bcb->Flags = 0x80;
+ bcb->CDB[0] = 0xF1;
+ bcb->CDB[5] = (BYTE)(bnByte);
+ bcb->CDB[4] = (BYTE)(bnByte>>8);
+ bcb->CDB[3] = (BYTE)(bnByte>>16);
+ bcb->CDB[2] = (BYTE)(bnByte>>24);
+
+ result = ENE_SendScsiCmd(us, FDIR_READ, scsi_sglist(srb), 1);
+ return result;
+}
+
+//----- SD_SCSI_Write() --------------------------------------------------
+int SD_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb)
+{
+ struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
+ int result;
+ PBYTE Cdb = srb->cmnd;
+ DWORD bn = ((Cdb[2]<<24) & 0xff000000) | ((Cdb[3]<<16) & 0x00ff0000) |
+ ((Cdb[4]<< 8) & 0x0000ff00) | ((Cdb[5]<< 0) & 0x000000ff);
+ WORD blen = ((Cdb[7]<< 8) & 0xff00) | ((Cdb[8]<< 0) & 0x00ff);
+ DWORD bnByte = bn * 0x200;
+ DWORD blenByte = blen * 0x200;
+
+ if (bn > us->bl_num)
+ return USB_STOR_TRANSPORT_ERROR;
+
+ result = ENE_LoadBinCode(us, SD_RW_PATTERN);
+ if (result != USB_STOR_XFER_GOOD)
+ {
+ printk("Load SD RW pattern Fail !!\n");
+ return USB_STOR_TRANSPORT_ERROR;
+ }
+
+ if ( us->SD_Status.HiCapacity )
+ bnByte = bn;
+
+ // set up the command wrapper
+ memset(bcb, 0, sizeof(bcb));
+ bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
+ bcb->DataTransferLength = blenByte;
+ bcb->Flags = 0x00;
+ bcb->CDB[0] = 0xF0;
+ bcb->CDB[5] = (BYTE)(bnByte);
+ bcb->CDB[4] = (BYTE)(bnByte>>8);
+ bcb->CDB[3] = (BYTE)(bnByte>>16);
+ bcb->CDB[2] = (BYTE)(bnByte>>24);
+
+ result = ENE_SendScsiCmd(us, FDIR_WRITE, scsi_sglist(srb), 1);
+ return result;
+}
+
+
+
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