diff options
Diffstat (limited to 'drivers/staging/keucr/smilmain.c')
| -rw-r--r-- | drivers/staging/keucr/smilmain.c | 760 |
1 files changed, 0 insertions, 760 deletions
diff --git a/drivers/staging/keucr/smilmain.c b/drivers/staging/keucr/smilmain.c deleted file mode 100644 index 42ec8a669ad3..000000000000 --- a/drivers/staging/keucr/smilmain.c +++ /dev/null @@ -1,760 +0,0 @@ -#include <linux/slab.h> -#include "usb.h" -#include "scsiglue.h" -#include "smcommon.h" -#include "smil.h" - -static int Conv_D_MediaAddr(struct us_data *, u32); -static int Inc_D_MediaAddr(struct us_data *); -static int Media_D_ReadOneSect(struct us_data *, u16, u8 *); - -static int Copy_D_BlockAll(struct us_data *, u32); - -static int Assign_D_WriteBlock(void); -static int Release_D_ReadBlock(struct us_data *); -static int Release_D_WriteBlock(struct us_data *); -static int Release_D_CopySector(struct us_data *); - -static int Copy_D_PhyOneSect(struct us_data *); -static int Read_D_PhyOneSect(struct us_data *, u16, u8 *); -static int Erase_D_PhyOneBlock(struct us_data *); - -static int Set_D_PhyFmtValue(struct us_data *); -static int Search_D_CIS(struct us_data *); -static int Make_D_LogTable(struct us_data *); - -static int MarkFail_D_PhyOneBlock(struct us_data *); - -static u32 ErrCode; -static u8 WorkBuf[SECTSIZE]; -static u8 Redundant[REDTSIZE]; -static u8 WorkRedund[REDTSIZE]; -/* 128 x 1000, Log2Phy[MAX_ZONENUM][MAX_LOGBLOCK]; */ -static u16 *Log2Phy[MAX_ZONENUM]; -static u8 Assign[MAX_ZONENUM][MAX_BLOCKNUM / 8]; -static u16 AssignStart[MAX_ZONENUM]; -u16 ReadBlock; -u16 WriteBlock; -u32 MediaChange; -static u32 SectCopyMode; - -/* BIT Control Macro */ -static u8 BitData[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }; -#define Set_D_Bit(a, b) (a[(u8)((b) / 8)] |= BitData[(b) % 8]) -#define Clr_D_Bit(a, b) (a[(u8)((b) / 8)] &= ~BitData[(b) % 8]) -#define Chk_D_Bit(a, b) (a[(u8)((b) / 8)] & BitData[(b) % 8]) - -/* ----- SM_FreeMem() ------------------------------------------------- */ -int SM_FreeMem(void) -{ - int i; - - pr_info("SM_FreeMem start\n"); - for (i = 0; i < MAX_ZONENUM; i++) { - if (Log2Phy[i] != NULL) { - pr_info("Free Zone = %x, Addr = %p\n", i, Log2Phy[i]); - kfree(Log2Phy[i]); - Log2Phy[i] = NULL; - } - } - return NO_ERROR; -} - -/* SmartMedia Read/Write/Erase Function */ -/* ----- Media_D_ReadSector() ------------------------------------------- */ -int Media_D_ReadSector(struct us_data *us, u32 start, u16 count, u8 *buf) -{ - u16 len, bn; - - if (Conv_D_MediaAddr(us, start)) - return ErrCode; - - while (1) { - len = Ssfdc.MaxSectors - Media.Sector; - if (count > len) - bn = len; - else - bn = count; - - if (Media_D_ReadOneSect(us, bn, buf)) { - ErrCode = ERR_EccReadErr; - return ErrCode; - } - - Media.Sector += bn; - count -= bn; - - if (count <= 0) - break; - - buf += bn * SECTSIZE; - - if (Inc_D_MediaAddr(us)) - return ErrCode; - } - - return NO_ERROR; -} -/* here */ -/* ----- Media_D_CopySector() ------------------------------------------ */ -int Media_D_CopySector(struct us_data *us, u32 start, u16 count, u8 *buf) -{ - u16 len, bn; - - /* pr_info("Media_D_CopySector !!!\n"); */ - if (Conv_D_MediaAddr(us, start)) - return ErrCode; - - while (1) { - if (Assign_D_WriteBlock()) - return ERROR; - - len = Ssfdc.MaxSectors - Media.Sector; - if (count > len) - bn = len; - else - bn = count; - - if (Ssfdc_D_CopyBlock(us, bn, buf, Redundant)) { - ErrCode = ERR_WriteFault; - return ErrCode; - } - - Media.Sector = 0x1F; - if (Release_D_CopySector(us)) { - if (ErrCode == ERR_HwError) { - ErrCode = ERR_WriteFault; - return ErrCode; - } - } - count -= bn; - - if (count <= 0) - break; - - buf += bn * SECTSIZE; - - if (Inc_D_MediaAddr(us)) - return ErrCode; - - } - return NO_ERROR; -} - -/* SmartMedia Physical Format Test Subroutine */ -/* ----- Check_D_MediaFmt() --------------------------------------------- */ -int Check_D_MediaFmt(struct us_data *us) -{ - pr_info("Check_D_MediaFmt\n"); - - if (!MediaChange) - return SMSUCCESS; - - MediaChange = ERROR; - SectCopyMode = COMPLETED; - - if (Set_D_PhyFmtValue(us)) { - ErrCode = ERR_UnknownMedia; - return ERROR; - } - - if (Search_D_CIS(us)) { - ErrCode = ERR_IllegalFmt; - return ERROR; - } - - MediaChange = SMSUCCESS; - return SMSUCCESS; -} - -/* ----- Release_D_CopySector() ------------------------------------------ */ -static int Release_D_CopySector(struct us_data *us) -{ - Log2Phy[Media.Zone][Media.LogBlock] = WriteBlock; - Media.PhyBlock = ReadBlock; - - if (Media.PhyBlock == NO_ASSIGN) { - Media.PhyBlock = WriteBlock; - return SMSUCCESS; - } - - Clr_D_Bit(Assign[Media.Zone], Media.PhyBlock); - Media.PhyBlock = WriteBlock; - - return SMSUCCESS; -} - -/* SmartMedia Physical Address Control Subroutine */ -/* ----- Conv_D_MediaAddr() --------------------------------------------- */ -static int Conv_D_MediaAddr(struct us_data *us, u32 addr) -{ - u32 temp; - - temp = addr / Ssfdc.MaxSectors; - Media.Zone = (u8) (temp / Ssfdc.MaxLogBlocks); - - if (Log2Phy[Media.Zone] == NULL) { - if (Make_D_LogTable(us)) { - ErrCode = ERR_IllegalFmt; - return ERROR; - } - } - - Media.Sector = (u8) (addr % Ssfdc.MaxSectors); - Media.LogBlock = (u16) (temp % Ssfdc.MaxLogBlocks); - - if (Media.Zone < Ssfdc.MaxZones) { - Clr_D_RedundantData(Redundant); - Set_D_LogBlockAddr(Redundant); - Media.PhyBlock = Log2Phy[Media.Zone][Media.LogBlock]; - return SMSUCCESS; - } - - ErrCode = ERR_OutOfLBA; - return ERROR; -} - -/* ----- Inc_D_MediaAddr() ---------------------------------------------- */ -static int Inc_D_MediaAddr(struct us_data *us) -{ - u16 LogBlock = Media.LogBlock; - - if (++Media.Sector < Ssfdc.MaxSectors) - return SMSUCCESS; - - if (Log2Phy[Media.Zone] == NULL) { - if (Make_D_LogTable(us)) { - ErrCode = ERR_IllegalFmt; - return ERROR; - } - } - - Media.Sector = 0; - Media.LogBlock = LogBlock; - - if (++Media.LogBlock < Ssfdc.MaxLogBlocks) { - Clr_D_RedundantData(Redundant); - Set_D_LogBlockAddr(Redundant); - Media.PhyBlock = Log2Phy[Media.Zone][Media.LogBlock]; - return SMSUCCESS; - } - - Media.LogBlock = 0; - - if (++Media.Zone < Ssfdc.MaxZones) { - if (Log2Phy[Media.Zone] == NULL) { - if (Make_D_LogTable(us)) { - ErrCode = ERR_IllegalFmt; - return ERROR; - } - } - - Media.LogBlock = 0; - - Clr_D_RedundantData(Redundant); - Set_D_LogBlockAddr(Redundant); - Media.PhyBlock = Log2Phy[Media.Zone][Media.LogBlock]; - return SMSUCCESS; - } - - Media.Zone = 0; - ErrCode = ERR_OutOfLBA; - - return ERROR; -} - -/* SmartMedia Read/Write Subroutine with Retry */ -/* ----- Media_D_ReadOneSect() ------------------------------------------ */ -static int Media_D_ReadOneSect(struct us_data *us, u16 count, u8 *buf) -{ - u32 err, retry; - - if (!Read_D_PhyOneSect(us, count, buf)) - return SMSUCCESS; - if (ErrCode == ERR_HwError) - return ERROR; - if (ErrCode == ERR_DataStatus) - return ERROR; - -#ifdef RDERR_REASSIGN - if (Ssfdc.Attribute & MWP) { - if (ErrCode == ERR_CorReadErr) - return SMSUCCESS; - return ERROR; - } - - err = ErrCode; - for (retry = 0; retry < 2; retry++) { - if (Copy_D_BlockAll(us, - (err == ERR_EccReadErr) ? REQ_FAIL : REQ_ERASE)) { - if (ErrCode == ERR_HwError) - return ERROR; - continue; - } - - ErrCode = err; - if (ErrCode == ERR_CorReadErr) - return SMSUCCESS; - return ERROR; - } - - MediaChange = ERROR; -#else - if (ErrCode == ERR_CorReadErr) - return SMSUCCESS; -#endif - - return ERROR; -} - -/* SmartMedia Physical Sector Data Copy Subroutine */ -/* ----- Copy_D_BlockAll() ---------------------------------------------- */ -static int Copy_D_BlockAll(struct us_data *us, u32 mode) -{ - u8 sect; - - sect = Media.Sector; - - if (Assign_D_WriteBlock()) - return ERROR; - if (mode == REQ_FAIL) - SectCopyMode = REQ_FAIL; - - for (Media.Sector = 0; Media.Sector < Ssfdc.MaxSectors; - Media.Sector++) { - if (Copy_D_PhyOneSect(us)) { - if (ErrCode == ERR_HwError) - return ERROR; - if (Release_D_WriteBlock(us)) - return ERROR; - - ErrCode = ERR_WriteFault; - Media.PhyBlock = ReadBlock; - Media.Sector = sect; - - return ERROR; - } - } - - if (Release_D_ReadBlock(us)) - return ERROR; - - Media.PhyBlock = WriteBlock; - Media.Sector = sect; - return SMSUCCESS; -} - -/* SmartMedia Physical Block Assign/Release Subroutine */ -/* ----- Assign_D_WriteBlock() ------------------------------------------ */ -static int Assign_D_WriteBlock(void) -{ - ReadBlock = Media.PhyBlock; - - for (WriteBlock = AssignStart[Media.Zone]; - WriteBlock < Ssfdc.MaxBlocks; WriteBlock++) { - if (!Chk_D_Bit(Assign[Media.Zone], WriteBlock)) { - Set_D_Bit(Assign[Media.Zone], WriteBlock); - AssignStart[Media.Zone] = WriteBlock + 1; - Media.PhyBlock = WriteBlock; - SectCopyMode = REQ_ERASE; - return SMSUCCESS; - } - } - - for (WriteBlock = 0; - WriteBlock < AssignStart[Media.Zone]; WriteBlock++) { - if (!Chk_D_Bit(Assign[Media.Zone], WriteBlock)) { - Set_D_Bit(Assign[Media.Zone], WriteBlock); - AssignStart[Media.Zone] = WriteBlock + 1; - Media.PhyBlock = WriteBlock; - SectCopyMode = REQ_ERASE; - return SMSUCCESS; - } - } - - WriteBlock = NO_ASSIGN; - ErrCode = ERR_WriteFault; - - return ERROR; -} - -/* ----- Release_D_ReadBlock() ------------------------------------------ */ -static int Release_D_ReadBlock(struct us_data *us) -{ - u32 mode; - - mode = SectCopyMode; - SectCopyMode = COMPLETED; - - if (mode == COMPLETED) - return SMSUCCESS; - - Log2Phy[Media.Zone][Media.LogBlock] = WriteBlock; - Media.PhyBlock = ReadBlock; - - if (Media.PhyBlock == NO_ASSIGN) { - Media.PhyBlock = WriteBlock; - return SMSUCCESS; - } - - if (mode == REQ_ERASE) { - if (Erase_D_PhyOneBlock(us)) { - if (ErrCode == ERR_HwError) - return ERROR; - if (MarkFail_D_PhyOneBlock(us)) - return ERROR; - } else - Clr_D_Bit(Assign[Media.Zone], Media.PhyBlock); - } else if (MarkFail_D_PhyOneBlock(us)) - return ERROR; - - Media.PhyBlock = WriteBlock; - return SMSUCCESS; -} - -/* ----- Release_D_WriteBlock() ----------------------------------------- */ -static int Release_D_WriteBlock(struct us_data *us) -{ - SectCopyMode = COMPLETED; - Media.PhyBlock = WriteBlock; - - if (MarkFail_D_PhyOneBlock(us)) - return ERROR; - - Media.PhyBlock = ReadBlock; - return SMSUCCESS; -} - -/* SmartMedia Physical Sector Data Copy Subroutine */ -/* ----- Copy_D_PhyOneSect() -------------------------------------------- */ -static int Copy_D_PhyOneSect(struct us_data *us) -{ - int i; - u32 err, retry; - - /* pr_info("Copy_D_PhyOneSect --- Sector = %x\n", Media.Sector); */ - if (ReadBlock != NO_ASSIGN) { - Media.PhyBlock = ReadBlock; - for (retry = 0; retry < 2; retry++) { - if (retry != 0) { - Ssfdc_D_Reset(us); - if (Ssfdc_D_ReadCisSect(us, WorkBuf, - WorkRedund)) { - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } - - if (Check_D_CISdata(WorkBuf, WorkRedund)) { - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } - } - - if (Ssfdc_D_ReadSect(us, WorkBuf, WorkRedund)) { - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } - if (Check_D_DataStatus(WorkRedund)) { - err = ERROR; - break; - } - if (!Check_D_ReadError(WorkRedund)) { - err = SMSUCCESS; - break; - } - if (!Check_D_Correct(WorkBuf, WorkRedund)) { - err = SMSUCCESS; - break; - } - - err = ERROR; - SectCopyMode = REQ_FAIL; - } - } else { - err = SMSUCCESS; - for (i = 0; i < SECTSIZE; i++) - WorkBuf[i] = DUMMY_DATA; - Clr_D_RedundantData(WorkRedund); - } - - Set_D_LogBlockAddr(WorkRedund); - if (err == ERROR) { - Set_D_RightECC(WorkRedund); - Set_D_DataStaus(WorkRedund); - } - - Media.PhyBlock = WriteBlock; - - if (Ssfdc_D_WriteSectForCopy(us, WorkBuf, WorkRedund)) { - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } - if (Ssfdc_D_CheckStatus()) { - ErrCode = ERR_WriteFault; - return ERROR; - } - - Media.PhyBlock = ReadBlock; - return SMSUCCESS; -} - -/* SmartMedia Physical Sector Read/Write/Erase Subroutine */ -/* ----- Read_D_PhyOneSect() -------------------------------------------- */ -static int Read_D_PhyOneSect(struct us_data *us, u16 count, u8 *buf) -{ - int i; - u32 retry; - - if (Media.PhyBlock == NO_ASSIGN) { - for (i = 0; i < SECTSIZE; i++) - *buf++ = DUMMY_DATA; - return SMSUCCESS; - } - - for (retry = 0; retry < 2; retry++) { - if (retry != 0) { - Ssfdc_D_Reset(us); - - if (Ssfdc_D_ReadCisSect(us, WorkBuf, WorkRedund)) { - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } - if (Check_D_CISdata(WorkBuf, WorkRedund)) { - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } - } - - if (Ssfdc_D_ReadBlock(us, count, buf, Redundant)) { - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } - if (Check_D_DataStatus(Redundant)) { - ErrCode = ERR_DataStatus; - return ERROR; - } - - if (!Check_D_ReadError(Redundant)) - return SMSUCCESS; - - if (!Check_D_Correct(buf, Redundant)) { - ErrCode = ERR_CorReadErr; - return ERROR; - } - } - - ErrCode = ERR_EccReadErr; - return ERROR; -} - -/* ----- Erase_D_PhyOneBlock() ------------------------------------------ */ -static int Erase_D_PhyOneBlock(struct us_data *us) -{ - if (Ssfdc_D_EraseBlock(us)) { - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } - if (Ssfdc_D_CheckStatus()) { - ErrCode = ERR_WriteFault; - return ERROR; - } - - return SMSUCCESS; -} - -/* SmartMedia Physical Format Check Local Subroutine */ -/* ----- Set_D_PhyFmtValue() -------------------------------------------- */ -static int Set_D_PhyFmtValue(struct us_data *us) -{ - if (Set_D_SsfdcModel(us->SM_DeviceID)) - return ERROR; - - return SMSUCCESS; -} - -/* ----- Search_D_CIS() ------------------------------------------------- */ -static int Search_D_CIS(struct us_data *us) -{ - Media.Zone = 0; - Media.Sector = 0; - - for (Media.PhyBlock = 0; - Media.PhyBlock < (Ssfdc.MaxBlocks - Ssfdc.MaxLogBlocks - 1); - Media.PhyBlock++) { - if (Ssfdc_D_ReadRedtData(us, Redundant)) { - Ssfdc_D_Reset(us); - return ERROR; - } - - if (!Check_D_FailBlock(Redundant)) - break; - } - - if (Media.PhyBlock == (Ssfdc.MaxBlocks - Ssfdc.MaxLogBlocks - 1)) { - Ssfdc_D_Reset(us); - return ERROR; - } - - while (Media.Sector < CIS_SEARCH_SECT) { - if (Media.Sector) { - if (Ssfdc_D_ReadRedtData(us, Redundant)) { - Ssfdc_D_Reset(us); - return ERROR; - } - } - if (!Check_D_DataStatus(Redundant)) { - if (Ssfdc_D_ReadSect(us, WorkBuf, Redundant)) { - Ssfdc_D_Reset(us); - return ERROR; - } - - if (Check_D_CISdata(WorkBuf, Redundant)) { - Ssfdc_D_Reset(us); - return ERROR; - } - - CisArea.PhyBlock = Media.PhyBlock; - CisArea.Sector = Media.Sector; - Ssfdc_D_Reset(us); - return SMSUCCESS; - } - - Media.Sector++; - } - - Ssfdc_D_Reset(us); - return ERROR; -} - -/* ----- Make_D_LogTable() ---------------------------------------------- */ -static int Make_D_LogTable(struct us_data *us) -{ - u16 phyblock, logblock; - - if (Log2Phy[Media.Zone] == NULL) { - Log2Phy[Media.Zone] = kmalloc(MAX_LOGBLOCK * sizeof(u16), - GFP_KERNEL); - /* pr_info("ExAllocatePool Zone = %x, Addr = %x\n", - Media.Zone, Log2Phy[Media.Zone]); */ - if (Log2Phy[Media.Zone] == NULL) - return ERROR; - } - - Media.Sector = 0; - - /* pr_info("Make_D_LogTable --- MediaZone = 0x%x\n", - Media.Zone); */ - for (Media.LogBlock = 0; Media.LogBlock < Ssfdc.MaxLogBlocks; - Media.LogBlock++) - Log2Phy[Media.Zone][Media.LogBlock] = NO_ASSIGN; - - for (Media.PhyBlock = 0; Media.PhyBlock < (MAX_BLOCKNUM / 8); - Media.PhyBlock++) - Assign[Media.Zone][Media.PhyBlock] = 0x00; - - for (Media.PhyBlock = 0; Media.PhyBlock < Ssfdc.MaxBlocks; - Media.PhyBlock++) { - if ((!Media.Zone) && (Media.PhyBlock <= CisArea.PhyBlock)) { - Set_D_Bit(Assign[Media.Zone], Media.PhyBlock); - continue; - } - - if (Ssfdc_D_ReadRedtData(us, Redundant)) { - Ssfdc_D_Reset(us); - return ERROR; - } - - if (!Check_D_DataBlank(Redundant)) - continue; - - Set_D_Bit(Assign[Media.Zone], Media.PhyBlock); - - if (Check_D_FailBlock(Redundant)) - continue; - - if (Load_D_LogBlockAddr(Redundant)) - continue; - - if (Media.LogBlock >= Ssfdc.MaxLogBlocks) - continue; - - if (Log2Phy[Media.Zone][Media.LogBlock] == NO_ASSIGN) { - Log2Phy[Media.Zone][Media.LogBlock] = Media.PhyBlock; - continue; - } - - phyblock = Media.PhyBlock; - logblock = Media.LogBlock; - Media.Sector = (u8)(Ssfdc.MaxSectors - 1); - - if (Ssfdc_D_ReadRedtData(us, Redundant)) { - Ssfdc_D_Reset(us); - return ERROR; - } - - if (!Load_D_LogBlockAddr(Redundant) && - (Media.LogBlock == logblock)) { - Media.PhyBlock = Log2Phy[Media.Zone][logblock]; - - if (Ssfdc_D_ReadRedtData(us, Redundant)) { - Ssfdc_D_Reset(us); - return ERROR; - } - - Media.PhyBlock = phyblock; - - if (!Load_D_LogBlockAddr(Redundant)) { - if (Media.LogBlock != logblock) { - Media.PhyBlock = - Log2Phy[Media.Zone][logblock]; - Log2Phy[Media.Zone][logblock] = - phyblock; - } - } else { - Media.PhyBlock = Log2Phy[Media.Zone][logblock]; - Log2Phy[Media.Zone][logblock] = phyblock; - } - } - - Media.Sector = 0; - Media.PhyBlock = phyblock; - - AssignStart[Media.Zone] = 0; - - } /* End for (Media.Zone<MAX_ZONENUM) */ - - Ssfdc_D_Reset(us); - return SMSUCCESS; -} - -/* ----- MarkFail_D_PhyOneBlock() --------------------------------------- */ -static int MarkFail_D_PhyOneBlock(struct us_data *us) -{ - u8 sect; - - sect = Media.Sector; - Set_D_FailBlock(WorkRedund); - - for (Media.Sector = 0; Media.Sector < Ssfdc.MaxSectors; - Media.Sector++) { - if (Ssfdc_D_WriteRedtData(us, WorkRedund)) { - Ssfdc_D_Reset(us); - Media.Sector = sect; - ErrCode = ERR_HwError; - MediaChange = ERROR; - return ERROR; - } /* NO Status Check */ - } - - Ssfdc_D_Reset(us); - Media.Sector = sect; - return SMSUCCESS; -} |