| /** |
| @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 should 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, |*/ |
| /*| unsigned int dw_PCIBoardEepromAddress, |*/ |
| /*| unsigned short w_EepromStartAddress, |*/ |
| /*| unsigned short * pw_DataRead) |*/ |
| /*+----------------------------------------------------------------------------+*/ |
| /*| Task : Read word from the 5920 eeprom. |*/ |
| /*+----------------------------------------------------------------------------+*/ |
| /*| Input Parameters : int i_NbOfWordsToRead : Nbr. of word to read |*/ |
| /*| unsigned int dw_PCIBoardEepromAddress : Address of the eeprom |*/ |
| /*| unsigned short w_EepromStartAddress : Eeprom strat address |*/ |
| /*+----------------------------------------------------------------------------+*/ |
| /*| Output Parameters : unsigned short * pw_DataRead : Read data |*/ |
| /*+----------------------------------------------------------------------------+*/ |
| /*| Return Value : - |*/ |
| /*+----------------------------------------------------------------------------+*/ |
| |
| int i_AddiHeaderRW_ReadEeprom(int i_NbOfWordsToRead, |
| unsigned int dw_PCIBoardEepromAddress, |
| unsigned short w_EepromStartAddress, unsigned short *pw_DataRead) |
| { |
| unsigned int dw_eeprom_busy = 0; |
| int i_Counter = 0; |
| int i_WordCounter; |
| int i; |
| unsigned char pb_ReadByte[1]; |
| unsigned char b_ReadLowByte = 0; |
| unsigned char b_ReadHighByte = 0; |
| unsigned char b_SelectedAddressLow = 0; |
| unsigned char b_SelectedAddressHigh = 0; |
| unsigned short 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 */ |
| msleep(1); |
| |
| } |
| 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; |
| } |