diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c b/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c new file mode 100644 index 000000000000..b0907ec14667 --- /dev/null +++ b/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c @@ -0,0 +1,203 @@ +/** +@verbatim + +Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module. + + ADDI-DATA GmbH + Dieselstrasse 3 + D-77833 Ottersweier + Tel: +19(0)7223/9493-0 + Fax: +49(0)7223/9493-92 + http://www.addi-data-com + info@addi-data.com + +This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +You shoud also find the complete GPL in the COPYING file accompanying this source code. + +@endverbatim +*/ +/* + +-----------------------------------------------------------------------+ + | (C) ADDI-DATA GmbH Dieselstraße 3 D-77833 Ottersweier | + +-----------------------------------------------------------------------+ + | Tel : +49 (0) 7223/9493-0 | email : info@addi-data.com | + | Fax : +49 (0) 7223/9493-92 | Internet : http://www.addi-data.com | + +-------------------------------+---------------------------------------+ + | Project : ADDI HEADER READ WRITER | Compiler : Visual C++ | + | Module name : S5920.cpp | Version : 6.0 | + +-------------------------------+---------------------------------------+ + | Author : E. LIBS Date : 02/05/2002 | + +-----------------------------------------------------------------------+ + | Description : DLL with the S5920 PCI Controller functions | + +-----------------------------------------------------------------------+ + | UPDATE'S | + +-----------------------------------------------------------------------+ + | Date | Author | Description of updates | + +----------+-----------+------------------------------------------------+ + | 28/08/02 | LIBS Eric | Add return codes each time a function of the | + | | | Addi Library is called | + +-----------------------------------------------------------------------+ + | 31/07/03 | KRAUTH J. | Changes for the MSX-Box | + +-----------------------------------------------------------------------+ +*/ + +#include "addi_amcc_S5920.h" + +/*+----------------------------------------------------------------------------+*/ +/*| Function Name : INT i_AddiHeaderRW_ReadEeprom |*/ +/*| (INT i_NbOfWordsToRead, |*/ +/*| DWORD dw_PCIBoardEepromAddress, |*/ +/*| WORD w_EepromStartAddress, |*/ +/*| PWORD pw_DataRead) |*/ +/*+----------------------------------------------------------------------------+*/ +/*| Task : Read word from the 5920 eeprom. |*/ +/*+----------------------------------------------------------------------------+*/ +/*| Input Parameters : INT i_NbOfWordsToRead : Nbr. of word to read |*/ +/*| DWORD dw_PCIBoardEepromAddress : Address of the eeprom |*/ +/*| WORD w_EepromStartAddress : Eeprom strat address |*/ +/*+----------------------------------------------------------------------------+*/ +/*| Output Parameters : PWORD pw_DataRead : Read data |*/ +/*+----------------------------------------------------------------------------+*/ +/*| Return Value : - |*/ +/*+----------------------------------------------------------------------------+*/ + +INT i_AddiHeaderRW_ReadEeprom(INT i_NbOfWordsToRead, + DWORD dw_PCIBoardEepromAddress, + WORD w_EepromStartAddress, PWORD pw_DataRead) +{ + DWORD dw_eeprom_busy = 0; + INT i_Counter = 0; + INT i_WordCounter; + INT i; + BYTE pb_ReadByte[1]; + BYTE b_ReadLowByte = 0; + BYTE b_ReadHighByte = 0; + BYTE b_SelectedAddressLow = 0; + BYTE b_SelectedAddressHigh = 0; + WORD w_ReadWord = 0; + + for (i_WordCounter = 0; i_WordCounter < i_NbOfWordsToRead; + i_WordCounter++) { + do { + dw_eeprom_busy = + inl(dw_PCIBoardEepromAddress + + AMCC_OP_REG_MCSR); + dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY; + } + while (dw_eeprom_busy == EEPROM_BUSY); + + for (i_Counter = 0; i_Counter < 2; i_Counter++) { + b_SelectedAddressLow = (w_EepromStartAddress + i_Counter) % 256; //Read the low 8 bit part + b_SelectedAddressHigh = (w_EepromStartAddress + i_Counter) / 256; //Read the high 8 bit part + + //Select the load low address mode + outb(NVCMD_LOAD_LOW, + dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR + + 3); + + //Wait on busy + do { + dw_eeprom_busy = + inl(dw_PCIBoardEepromAddress + + AMCC_OP_REG_MCSR); + dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY; + } + while (dw_eeprom_busy == EEPROM_BUSY); + + //Load the low address + outb(b_SelectedAddressLow, + dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR + + 2); + + //Wait on busy + do { + dw_eeprom_busy = + inl(dw_PCIBoardEepromAddress + + AMCC_OP_REG_MCSR); + dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY; + } + while (dw_eeprom_busy == EEPROM_BUSY); + + //Select the load high address mode + outb(NVCMD_LOAD_HIGH, + dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR + + 3); + + //Wait on busy + do { + dw_eeprom_busy = + inl(dw_PCIBoardEepromAddress + + AMCC_OP_REG_MCSR); + dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY; + } + while (dw_eeprom_busy == EEPROM_BUSY); + + //Load the high address + outb(b_SelectedAddressHigh, + dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR + + 2); + + //Wait on busy + do { + dw_eeprom_busy = + inl(dw_PCIBoardEepromAddress + + AMCC_OP_REG_MCSR); + dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY; + } + while (dw_eeprom_busy == EEPROM_BUSY); + + //Select the READ mode + outb(NVCMD_BEGIN_READ, + dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR + + 3); + + //Wait on busy + do { + dw_eeprom_busy = + inl(dw_PCIBoardEepromAddress + + AMCC_OP_REG_MCSR); + dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY; + } + while (dw_eeprom_busy == EEPROM_BUSY); + + //Read data into the EEPROM + *pb_ReadByte = + inb(dw_PCIBoardEepromAddress + + AMCC_OP_REG_MCSR + 2); + + //Wait on busy + do { + dw_eeprom_busy = + inl(dw_PCIBoardEepromAddress + + AMCC_OP_REG_MCSR); + dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY; + } + while (dw_eeprom_busy == EEPROM_BUSY); + + //Select the upper address part + if (i_Counter == 0) { + b_ReadLowByte = pb_ReadByte[0]; + } else { + b_ReadHighByte = pb_ReadByte[0]; + } + + //Sleep + for (i = 0; i < 10000; i++) ; + + } + w_ReadWord = + (b_ReadLowByte | (((unsigned short)b_ReadHighByte) * + 256)); + + pw_DataRead[i_WordCounter] = w_ReadWord; + + w_EepromStartAddress += 2; // to read the next word + + } // for (...) i_NbOfWordsToRead + return (0); +} |