drivers/staging/keucr/sdscsi.c

   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
  13 int SD_SCSI_Test_Unit_Ready (struct us_data *us, struct scsi_cmnd *srb);
  14 int SD_SCSI_Inquiry         (struct us_data *us, struct scsi_cmnd *srb);
  15 int SD_SCSI_Mode_Sense      (struct us_data *us, struct scsi_cmnd *srb);
  16 int SD_SCSI_Start_Stop      (struct us_data *us, struct scsi_cmnd *srb);
  17 int SD_SCSI_Read_Capacity   (struct us_data *us, struct scsi_cmnd *srb);
  18 int SD_SCSI_Read            (struct us_data *us, struct scsi_cmnd *srb);
  19 int SD_SCSI_Write           (struct us_data *us, struct scsi_cmnd *srb);
  20
  21 //----- SD_SCSIIrp() --------------------------------------------------
  22 int SD_SCSIIrp(struct us_data *us, struct scsi_cmnd *srb)
  23 {
  24         int    result;
  25
  26         us->SrbStatus = SS_SUCCESS;
  27         switch (srb->cmnd[0])
  28         {
  29                 case TEST_UNIT_READY :  result = SD_SCSI_Test_Unit_Ready (us, srb);  break; //0x00
  30                 case INQUIRY         :  result = SD_SCSI_Inquiry         (us, srb);  break; //0x12
  31                 case MODE_SENSE      :  result = SD_SCSI_Mode_Sense      (us, srb);  break; //0x1A
  32 //              case START_STOP      :  result = SD_SCSI_Start_Stop      (us, srb);  break; //0x1B
  33                 case READ_CAPACITY   :  result = SD_SCSI_Read_Capacity   (us, srb);  break; //0x25
  34                 case READ_10         :  result = SD_SCSI_Read            (us, srb);  break; //0x28
  35                 case WRITE_10        :  result = SD_SCSI_Write           (us, srb);  break; //0x2A
  36
  37                 default:
  38                         us->SrbStatus = SS_ILLEGAL_REQUEST;
  39                         result = USB_STOR_TRANSPORT_FAILED;
  40                         break;
  41         }
  42         return result;
  43 }
  44
  45 //----- SD_SCSI_Test_Unit_Ready() --------------------------------------------------
  46 int SD_SCSI_Test_Unit_Ready(struct us_data *us, struct scsi_cmnd *srb)
  47 {
  48         //printk("SD_SCSI_Test_Unit_Ready\n");
  49         if (us->SD_Status.Insert && us->SD_Status.Ready)
  50                 return USB_STOR_TRANSPORT_GOOD;
  51         else
  52         {
  53                 ENE_SDInit(us);
  54                 return USB_STOR_TRANSPORT_GOOD;
  55         }
  56
  57         return USB_STOR_TRANSPORT_GOOD;
  58 }
  59
  60 //----- SD_SCSI_Inquiry() --------------------------------------------------
  61 int SD_SCSI_Inquiry(struct us_data *us, struct scsi_cmnd *srb)
  62 {
  63         //printk("SD_SCSI_Inquiry\n");
  64         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};
  65
  66         usb_stor_set_xfer_buf(us, data_ptr, 36, srb, TO_XFER_BUF);
  67         return USB_STOR_TRANSPORT_GOOD;
  68 }
  69
  70
  71 //----- SD_SCSI_Mode_Sense() --------------------------------------------------
  72 int SD_SCSI_Mode_Sense(struct us_data *us, struct scsi_cmnd *srb)
  73 {
  74         BYTE    mediaNoWP[12] = {0x0b,0x00,0x00,0x08,0x00,0x00,0x71,0xc0,0x00,0x00,0x02,0x00};
  75         BYTE    mediaWP[12]   = {0x0b,0x00,0x80,0x08,0x00,0x00,0x71,0xc0,0x00,0x00,0x02,0x00};
  76
  77         if (us->SD_Status.WtP)
  78                 usb_stor_set_xfer_buf(us, mediaWP, 12, srb, TO_XFER_BUF);
  79         else
  80                 usb_stor_set_xfer_buf(us, mediaNoWP, 12, srb, TO_XFER_BUF);
  81
  82
  83         return USB_STOR_TRANSPORT_GOOD;
  84 }
  85
  86 //----- SD_SCSI_Read_Capacity() --------------------------------------------------
  87 int SD_SCSI_Read_Capacity(struct us_data *us, struct scsi_cmnd *srb)
  88 {
  89         unsigned int offset = 0;
  90         struct scatterlist *sg = NULL;
  91         DWORD   bl_num;
  92         WORD    bl_len;
  93         BYTE    buf[8];
  94
  95         printk("SD_SCSI_Read_Capacity\n");
  96         if ( us->SD_Status.HiCapacity )
  97         {
  98                 bl_len = 0x200;
  99                 if (us->SD_Status.IsMMC)
 100                         bl_num = us->HC_C_SIZE-1;
 101                 else
 102                         bl_num = (us->HC_C_SIZE + 1) * 1024 - 1;
 103         }
 104         else
 105         {
 106                 bl_len = 1<<(us->SD_READ_BL_LEN);
 107                 bl_num = us->SD_Block_Mult*(us->SD_C_SIZE+1)*(1<<(us->SD_C_SIZE_MULT+2)) - 1;
 108         }
 109         us->bl_num = bl_num;
 110         printk("bl_len = %x\n", bl_len);
 111         printk("bl_num = %x\n", bl_num);
 112
 113         //srb->request_bufflen = 8;
 114         buf[0] = (bl_num>>24) & 0xff;
 115         buf[1] = (bl_num>>16) & 0xff;
 116         buf[2] = (bl_num>> 8) & 0xff;
 117         buf[3] = (bl_num>> 0) & 0xff;
 118         buf[4] = (bl_len>>24) & 0xff;
 119         buf[5] = (bl_len>>16) & 0xff;
 120         buf[6] = (bl_len>> 8) & 0xff;
 121         buf[7] = (bl_len>> 0) & 0xff;
 122
 123         usb_stor_access_xfer_buf(us, buf, 8, srb, &sg, &offset, TO_XFER_BUF);
 124         //usb_stor_set_xfer_buf(us, buf, srb->request_bufflen, srb, TO_XFER_BUF);
 125
 126         return USB_STOR_TRANSPORT_GOOD;
 127 }
 128
 129 //----- SD_SCSI_Read() --------------------------------------------------
 130 int SD_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb)
 131 {
 132         struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
 133         int result;
 134         PBYTE   Cdb = srb->cmnd;
 135         DWORD bn  =  ((Cdb[2]<<24) & 0xff000000) | ((Cdb[3]<<16) & 0x00ff0000) |
 136                    ((Cdb[4]<< 8) & 0x0000ff00) | ((Cdb[5]<< 0) & 0x000000ff);
 137         WORD  blen = ((Cdb[7]<< 8) & 0xff00)     | ((Cdb[8]<< 0) & 0x00ff);
 138         DWORD bnByte = bn * 0x200;
 139         DWORD   blenByte = blen * 0x200;
 140
 141         if (bn > us->bl_num)
 142                 return USB_STOR_TRANSPORT_ERROR;
 143
 144         result = ENE_LoadBinCode(us, SD_RW_PATTERN);
 145         if (result != USB_STOR_XFER_GOOD)
 146         {
 147                 printk("Load SD RW pattern Fail !!\n");
 148                 return USB_STOR_TRANSPORT_ERROR;
 149         }
 150
 151         if ( us->SD_Status.HiCapacity )
 152                 bnByte = bn;
 153
 154         // set up the command wrapper
 155         memset(bcb, 0, sizeof(struct bulk_cb_wrap));
 156         bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
 157         bcb->DataTransferLength = blenByte;
 158         bcb->Flags  = 0x80;
 159         bcb->CDB[0] = 0xF1;
 160         bcb->CDB[5] = (BYTE)(bnByte);
 161         bcb->CDB[4] = (BYTE)(bnByte>>8);
 162         bcb->CDB[3] = (BYTE)(bnByte>>16);
 163         bcb->CDB[2] = (BYTE)(bnByte>>24);
 164
 165         result = ENE_SendScsiCmd(us, FDIR_READ, scsi_sglist(srb), 1);
 166         return result;
 167 }
 168
 169 //----- SD_SCSI_Write() --------------------------------------------------
 170 int SD_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb)
 171 {
 172         struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
 173         int result;
 174         PBYTE   Cdb = srb->cmnd;
 175         DWORD bn  =  ((Cdb[2]<<24) & 0xff000000) | ((Cdb[3]<<16) & 0x00ff0000) |
 176                    ((Cdb[4]<< 8) & 0x0000ff00) | ((Cdb[5]<< 0) & 0x000000ff);
 177         WORD  blen = ((Cdb[7]<< 8) & 0xff00)     | ((Cdb[8]<< 0) & 0x00ff);
 178         DWORD bnByte = bn * 0x200;
 179         DWORD   blenByte = blen * 0x200;
 180
 181         if (bn > us->bl_num)
 182                 return USB_STOR_TRANSPORT_ERROR;
 183
 184         result = ENE_LoadBinCode(us, SD_RW_PATTERN);
 185         if (result != USB_STOR_XFER_GOOD)
 186         {
 187                 printk("Load SD RW pattern Fail !!\n");
 188                 return USB_STOR_TRANSPORT_ERROR;
 189         }
 190
 191         if ( us->SD_Status.HiCapacity )
 192                 bnByte = bn;
 193
 194         // set up the command wrapper
 195         memset(bcb, 0, sizeof(struct bulk_cb_wrap));
 196         bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
 197         bcb->DataTransferLength = blenByte;
 198         bcb->Flags  = 0x00;
 199         bcb->CDB[0] = 0xF0;
 200         bcb->CDB[5] = (BYTE)(bnByte);
 201         bcb->CDB[4] = (BYTE)(bnByte>>8);
 202         bcb->CDB[3] = (BYTE)(bnByte>>16);
 203         bcb->CDB[2] = (BYTE)(bnByte>>24);
 204
 205         result = ENE_SendScsiCmd(us, FDIR_WRITE, scsi_sglist(srb), 1);
 206         return result;
 207 }
 208
 209
 210