4 Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
10 Fax: +49(0)7223/9493-92
11 http://www.addi-data.com
14 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.
16 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.
18 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
20 You should also find the complete GPL in the COPYING file accompanying this source code.
26 +-----------------------------------------------------------------------+
27 | (C) ADDI-DATA GmbH Dieselstrasse 3 D-77833 Ottersweier |
28 +-----------------------------------------------------------------------+
29 | Tel : +49 (0) 7223/9493-0 | email : info@addi-data.com |
30 | Fax : +49 (0) 7223/9493-92 | Internet : http://www.addi-data.com |
31 +-----------------------------------------------------------------------+
32 | Project : ADDI DATA | Compiler : GCC |
33 | Modulname : addi_eeprom.c | Version : 2.96 |
34 +-------------------------------+---------------------------------------+
35 | Project manager: Eric Stolz | Date : 02/12/2002 |
36 +-----------------------------------------------------------------------+
37 | Description : ADDI EEPROM Module |
38 +-----------------------------------------------------------------------+
40 +-----------------------------------------------------------------------+
41 | Date | Author | Description of updates |
42 +----------+-----------+------------------------------------------------+
45 +----------+-----------+------------------------------------------------+
48 #define NVCMD_BEGIN_READ (0x7 << 5) /* nvRam begin read command */
49 #define NVCMD_LOAD_LOW (0x4 << 5) /* nvRam load low command */
50 #define NVCMD_LOAD_HIGH (0x5 << 5) /* nvRam load high command */
51 #define EE76_CMD_LEN 13 /* bits in instructions */
52 #define EE_READ 0x0180 /* 01 1000 0000 read instruction */
54 #define EEPROM_DIGITALINPUT 0
55 #define EEPROM_DIGITALOUTPUT 1
56 #define EEPROM_ANALOGINPUT 2
57 #define EEPROM_ANALOGOUTPUT 3
58 #define EEPROM_TIMER 4
59 #define EEPROM_WATCHDOG 5
60 #define EEPROM_TIMER_WATCHDOG_COUNTER 10
62 struct str_Functionality {
64 unsigned short w_Address;
67 struct str_MainHeader {
68 unsigned short w_HeaderSize;
69 unsigned char b_Nfunctions;
70 struct str_Functionality s_Functions[7];
73 struct str_DigitalInputHeader {
74 unsigned short w_Nchannel;
75 unsigned char b_Interruptible;
76 unsigned short w_NinterruptLogic;
79 struct str_DigitalOutputHeader {
81 unsigned short w_Nchannel;
85 /* used for timer as well as watchdog */
87 struct str_TimerDetails {
89 unsigned short w_HeaderSize;
90 unsigned char b_Resolution;
91 unsigned char b_Mode; /* in case of Watchdog it is functionality */
92 unsigned short w_MinTiming;
93 unsigned char b_TimeBase;
96 struct str_TimerMainHeader {
99 unsigned short w_Ntimer;
100 struct str_TimerDetails s_TimerDetails[4]; /* supports 4 timers */
104 struct str_AnalogOutputHeader {
105 unsigned short w_Nchannel;
106 unsigned char b_Resolution;
109 struct str_AnalogInputHeader {
110 unsigned short w_Nchannel;
111 unsigned short w_MinConvertTiming;
112 unsigned short w_MinDelayTiming;
113 unsigned char b_HasDma;
114 unsigned char b_Resolution;
118 /*****************************************/
119 /* Read Header Functions */
120 /*****************************************/
122 int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress,
123 char *pc_PCIChipInformation, struct comedi_device *dev);
125 int i_EepromReadDigitalInputHeader(unsigned short w_PCIBoardEepromAddress,
126 char *pc_PCIChipInformation, unsigned short w_Address,
127 struct str_DigitalInputHeader *s_Header);
129 int i_EepromReadDigitalOutputHeader(unsigned short w_PCIBoardEepromAddress,
130 char *pc_PCIChipInformation, unsigned short w_Address,
131 struct str_DigitalOutputHeader *s_Header);
133 int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress,
134 char *pc_PCIChipInformation, unsigned short w_Address,
135 struct str_TimerMainHeader *s_Header);
137 int i_EepromReadAnlogOutputHeader(unsigned short w_PCIBoardEepromAddress,
138 char *pc_PCIChipInformation, unsigned short w_Address,
139 struct str_AnalogOutputHeader *s_Header);
141 int i_EepromReadAnlogInputHeader(unsigned short w_PCIBoardEepromAddress,
142 char *pc_PCIChipInformation, unsigned short w_Address,
143 struct str_AnalogInputHeader *s_Header);
145 /******************************************/
146 /* Eeprom Specific Functions */
147 /******************************************/
148 unsigned short w_EepromReadWord(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation,
149 unsigned short w_EepromStartAddress);
150 void v_EepromWaitBusy(unsigned short w_PCIBoardEepromAddress);
151 void v_EepromClock76(unsigned int dw_Address, unsigned int dw_RegisterValue);
152 void v_EepromWaitBusy(unsigned short w_PCIBoardEepromAddress);
153 void v_EepromSendCommand76(unsigned int dw_Address, unsigned int dw_EepromCommand,
154 unsigned char b_DataLengthInBits);
155 void v_EepromCs76Read(unsigned int dw_Address, unsigned short w_offset, unsigned short *pw_Value);
158 +----------------------------------------------------------------------------+
159 | Function Name : unsigned short w_EepromReadWord |
160 | (unsigned short w_PCIBoardEepromAddress, |
161 | char * pc_PCIChipInformation, |
162 | unsigned short w_EepromStartAddress) |
163 +----------------------------------------------------------------------------+
164 | Task : Read from eepromn a word |
165 +----------------------------------------------------------------------------+
166 | Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address |
168 | char *pc_PCIChipInformation : PCI Chip Type. |
170 | unsigned short w_EepromStartAddress : Selected eeprom address |
171 +----------------------------------------------------------------------------+
172 | Output Parameters : - |
173 +----------------------------------------------------------------------------+
174 | Return Value : Read word value from eeprom |
175 +----------------------------------------------------------------------------+
178 unsigned short w_EepromReadWord(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation,
179 unsigned short w_EepromStartAddress)
182 unsigned char b_Counter = 0;
184 unsigned char b_ReadByte = 0;
186 unsigned char b_ReadLowByte = 0;
188 unsigned char b_ReadHighByte = 0;
190 unsigned char b_SelectedAddressLow = 0;
192 unsigned char b_SelectedAddressHigh = 0;
194 unsigned short w_ReadWord = 0;
196 /**************************/
198 /* Test the PCI chip type */
200 /**************************/
202 if ((!strcmp(pc_PCIChipInformation, "S5920")) ||
203 (!strcmp(pc_PCIChipInformation, "S5933")))
206 for (b_Counter = 0; b_Counter < 2; b_Counter++)
209 b_SelectedAddressLow = (w_EepromStartAddress + b_Counter) % 256; /* Read the low 8 bit part */
211 b_SelectedAddressHigh = (w_EepromStartAddress + b_Counter) / 256; /* Read the high 8 bit part */
213 /************************************/
215 /* Select the load low address mode */
217 /************************************/
219 outb(NVCMD_LOAD_LOW, w_PCIBoardEepromAddress + 0x3F);
227 v_EepromWaitBusy(w_PCIBoardEepromAddress);
229 /************************/
231 /* Load the low address */
233 /************************/
235 outb(b_SelectedAddressLow,
236 w_PCIBoardEepromAddress + 0x3E);
244 v_EepromWaitBusy(w_PCIBoardEepromAddress);
246 /*************************************/
248 /* Select the load high address mode */
250 /*************************************/
252 outb(NVCMD_LOAD_HIGH, w_PCIBoardEepromAddress + 0x3F);
260 v_EepromWaitBusy(w_PCIBoardEepromAddress);
262 /*************************/
264 /* Load the high address */
266 /*************************/
268 outb(b_SelectedAddressHigh,
269 w_PCIBoardEepromAddress + 0x3E);
277 v_EepromWaitBusy(w_PCIBoardEepromAddress);
279 /************************/
281 /* Select the READ mode */
283 /************************/
285 outb(NVCMD_BEGIN_READ, w_PCIBoardEepromAddress + 0x3F);
293 v_EepromWaitBusy(w_PCIBoardEepromAddress);
295 /*****************************/
297 /* Read data into the EEPROM */
299 /*****************************/
301 b_ReadByte = inb(w_PCIBoardEepromAddress + 0x3E);
309 v_EepromWaitBusy(w_PCIBoardEepromAddress);
311 /*********************************/
313 /* Select the upper address part */
315 /*********************************/
320 b_ReadLowByte = b_ReadByte;
322 } /* if(b_Counter==0) */
327 b_ReadHighByte = b_ReadByte;
329 } /* if(b_Counter==0) */
331 } /* for (b_Counter=0; b_Counter<2; b_Counter++) */
333 w_ReadWord = (b_ReadLowByte | (((unsigned short) b_ReadHighByte) * 256));
335 } /* end of if ((!strcmp(pc_PCIChipInformation, "S5920")) || (!strcmp(pc_PCIChipInformation, "S5933"))) */
337 if (!strcmp(pc_PCIChipInformation, "93C76"))
340 /*************************************/
342 /* Read 16 bit from the EEPROM 93C76 */
344 /*************************************/
346 v_EepromCs76Read(w_PCIBoardEepromAddress, w_EepromStartAddress,
357 +----------------------------------------------------------------------------+
359 | Function Name : void v_EepromWaitBusy |
361 | (unsigned short w_PCIBoardEepromAddress) |
363 +----------------------------------------------------------------------------+
365 | Task : Wait the busy flag from PCI controller |
367 +----------------------------------------------------------------------------+
369 | Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom base address |
371 +----------------------------------------------------------------------------+
373 | Output Parameters : - |
375 +----------------------------------------------------------------------------+
379 +----------------------------------------------------------------------------+
383 void v_EepromWaitBusy(unsigned short w_PCIBoardEepromAddress)
386 unsigned char b_EepromBusy = 0;
397 /************************************************************************/
399 /* An error has been written in the AMCC 5933 book at the page B-13 */
401 /* Ex: if you read a byte and look for the busy statusEEPROM=0x80 and */
403 /* the operator register is AMCC_OP_REG_MCSR+3 */
405 /* unsigned short read EEPROM=0x8000 andAMCC_OP_REG_MCSR+2 */
407 /* unsigned int read EEPROM=0x80000000 and AMCC_OP_REG_MCSR */
409 /************************************************************************/
411 b_EepromBusy = inb(w_PCIBoardEepromAddress + 0x3F);
412 b_EepromBusy = b_EepromBusy & 0x80;
414 } while (b_EepromBusy == 0x80);
420 +---------------------------------------------------------------------------------+
422 | Function Name : void v_EepromClock76(unsigned int dw_Address, |
424 | unsigned int dw_RegisterValue) |
426 +---------------------------------------------------------------------------------+
428 | Task : This function sends the clocking sequence to the EEPROM. |
430 +---------------------------------------------------------------------------------+
432 | Input Parameters : unsigned int dw_Address : PCI eeprom base address |
434 | unsigned int dw_RegisterValue : PCI eeprom register value to write.|
436 +---------------------------------------------------------------------------------+
438 | Output Parameters : - |
440 +---------------------------------------------------------------------------------+
444 +---------------------------------------------------------------------------------+
448 void v_EepromClock76(unsigned int dw_Address, unsigned int dw_RegisterValue)
451 /************************/
453 /* Set EEPROM clock Low */
455 /************************/
457 outl(dw_RegisterValue & 0x6, dw_Address);
467 /*************************/
469 /* Set EEPROM clock High */
471 /*************************/
473 outl(dw_RegisterValue | 0x1, dw_Address);
487 +---------------------------------------------------------------------------------+
489 | Function Name : void v_EepromSendCommand76(unsigned int dw_Address, |
491 | unsigned int dw_EepromCommand, |
493 | unsigned char b_DataLengthInBits) |
495 +---------------------------------------------------------------------------------+
497 | Task : This function sends a Command to the EEPROM 93C76. |
499 +---------------------------------------------------------------------------------+
501 | Input Parameters : unsigned int dw_Address : PCI eeprom base address |
503 | unsigned int dw_EepromCommand : PCI eeprom command to write. |
505 | unsigned char b_DataLengthInBits : PCI eeprom command data length. |
507 +---------------------------------------------------------------------------------+
509 | Output Parameters : - |
511 +---------------------------------------------------------------------------------+
515 +---------------------------------------------------------------------------------+
519 void v_EepromSendCommand76(unsigned int dw_Address, unsigned int dw_EepromCommand,
520 unsigned char b_DataLengthInBits)
525 unsigned int dw_RegisterValue = 0;
527 /*****************************/
529 /* Enable EEPROM Chip Select */
531 /*****************************/
533 dw_RegisterValue = 0x2;
535 /********************************************************************/
537 /* Toggle EEPROM's Chip select to get it out of Shift Register Mode */
539 /********************************************************************/
541 outl(dw_RegisterValue, dw_Address);
551 /*******************************************/
553 /* Send EEPROM command - one bit at a time */
555 /*******************************************/
557 for (c_BitPos = (b_DataLengthInBits - 1); c_BitPos >= 0; c_BitPos--)
560 /**********************************/
562 /* Check if current bit is 0 or 1 */
564 /**********************************/
566 if (dw_EepromCommand & (1 << c_BitPos))
575 dw_RegisterValue = dw_RegisterValue | 0x4;
588 dw_RegisterValue = dw_RegisterValue & 0x3;
592 /*********************/
594 /* Write the command */
596 /*********************/
598 outl(dw_RegisterValue, dw_Address);
608 /****************************/
610 /* Trigger the EEPROM clock */
612 /****************************/
614 v_EepromClock76(dw_Address, dw_RegisterValue);
622 +---------------------------------------------------------------------------------+
624 | Function Name : void v_EepromCs76Read(unsigned int dw_Address, |
626 | unsigned short w_offset, |
628 | unsigned short * pw_Value) |
630 +---------------------------------------------------------------------------------+
632 | Task : This function read a value from the EEPROM 93C76. |
634 +---------------------------------------------------------------------------------+
636 | Input Parameters : unsigned int dw_Address : PCI eeprom base address |
638 | unsigned short w_offset : Offset of the address to read |
640 | unsigned short * pw_Value : PCI eeprom 16 bit read value. |
642 +---------------------------------------------------------------------------------+
644 | Output Parameters : - |
646 +---------------------------------------------------------------------------------+
650 +---------------------------------------------------------------------------------+
654 void v_EepromCs76Read(unsigned int dw_Address, unsigned short w_offset, unsigned short *pw_Value)
659 unsigned int dw_RegisterValue = 0;
661 unsigned int dw_RegisterValueRead = 0;
663 /*************************************************/
665 /* Send EEPROM read command and offset to EEPROM */
667 /*************************************************/
669 v_EepromSendCommand76(dw_Address, (EE_READ << 4) | (w_offset / 2),
672 /*******************************/
674 /* Get the last register value */
676 /*******************************/
678 dw_RegisterValue = (((w_offset / 2) & 0x1) << 2) | 0x2;
680 /*****************************/
682 /* Set the 16-bit value of 0 */
684 /*****************************/
688 /************************/
690 /* Get the 16-bit value */
692 /************************/
694 for (c_BitPos = 0; c_BitPos < 16; c_BitPos++)
697 /****************************/
699 /* Trigger the EEPROM clock */
701 /****************************/
703 v_EepromClock76(dw_Address, dw_RegisterValue);
705 /**********************/
707 /* Get the result bit */
709 /**********************/
711 dw_RegisterValueRead = inl(dw_Address);
721 /***************************************/
723 /* Get bit value and shift into result */
725 /***************************************/
727 if (dw_RegisterValueRead & 0x8)
736 *pw_Value = (*pw_Value << 1) | 0x1;
749 *pw_Value = (*pw_Value << 1);
755 /*************************/
757 /* Clear all EEPROM bits */
759 /*************************/
761 dw_RegisterValue = 0x0;
763 /********************************************************************/
765 /* Toggle EEPROM's Chip select to get it out of Shift Register Mode */
767 /********************************************************************/
769 outl(dw_RegisterValue, dw_Address);
781 /******************************************/
782 /* EEPROM HEADER READ FUNCTIONS */
783 /******************************************/
786 +----------------------------------------------------------------------------+
787 | Function Name : int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress, |
788 | char * pc_PCIChipInformation,struct comedi_device *dev) |
789 +----------------------------------------------------------------------------+
790 | Task : Read from eeprom Main Header |
791 +----------------------------------------------------------------------------+
792 | Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address |
794 | char *pc_PCIChipInformation : PCI Chip Type. |
796 | struct comedi_device *dev : comedi device structure |
798 +----------------------------------------------------------------------------+
799 | Output Parameters : - |
800 +----------------------------------------------------------------------------+
802 +----------------------------------------------------------------------------+
805 int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress,
806 char *pc_PCIChipInformation, struct comedi_device *dev)
808 unsigned short w_Temp, i, w_Count = 0;
809 unsigned int ui_Temp;
810 struct str_MainHeader s_MainHeader;
811 struct str_DigitalInputHeader s_DigitalInputHeader;
812 struct str_DigitalOutputHeader s_DigitalOutputHeader;
813 /* struct str_TimerMainHeader s_TimerMainHeader,s_WatchdogMainHeader; */
814 struct str_AnalogOutputHeader s_AnalogOutputHeader;
815 struct str_AnalogInputHeader s_AnalogInputHeader;
818 s_MainHeader.w_HeaderSize =
819 w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
822 /* Read nbr of functionality */
823 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
824 pc_PCIChipInformation, 0x100 + 10);
825 s_MainHeader.b_Nfunctions = (unsigned char) w_Temp & 0x00FF;
827 /* Read functionality details */
828 for (i = 0; i < s_MainHeader.b_Nfunctions; i++) {
830 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
831 pc_PCIChipInformation, 0x100 + 12 + w_Count);
832 s_MainHeader.s_Functions[i].b_Type = (unsigned char) w_Temp & 0x3F;
833 w_Count = w_Count + 2;
835 s_MainHeader.s_Functions[i].w_Address =
836 w_EepromReadWord(w_PCIBoardEepromAddress,
837 pc_PCIChipInformation, 0x100 + 12 + w_Count);
838 w_Count = w_Count + 2;
841 /* Display main header info */
842 for (i = 0; i < s_MainHeader.b_Nfunctions; i++) {
844 switch (s_MainHeader.s_Functions[i].b_Type) {
845 case EEPROM_DIGITALINPUT:
846 i_EepromReadDigitalInputHeader(w_PCIBoardEepromAddress,
847 pc_PCIChipInformation,
848 s_MainHeader.s_Functions[i].w_Address,
849 &s_DigitalInputHeader);
850 devpriv->s_EeParameters.i_NbrDiChannel =
851 s_DigitalInputHeader.w_Nchannel;
854 case EEPROM_DIGITALOUTPUT:
855 i_EepromReadDigitalOutputHeader(w_PCIBoardEepromAddress,
856 pc_PCIChipInformation,
857 s_MainHeader.s_Functions[i].w_Address,
858 &s_DigitalOutputHeader);
859 devpriv->s_EeParameters.i_NbrDoChannel =
860 s_DigitalOutputHeader.w_Nchannel;
861 ui_Temp = 0xffffffff;
862 devpriv->s_EeParameters.i_DoMaxdata =
864 devpriv->s_EeParameters.i_NbrDoChannel);
867 case EEPROM_ANALOGINPUT:
868 i_EepromReadAnlogInputHeader(w_PCIBoardEepromAddress,
869 pc_PCIChipInformation,
870 s_MainHeader.s_Functions[i].w_Address,
871 &s_AnalogInputHeader);
872 if (!(strcmp(this_board->pc_DriverName, "apci3200")))
873 devpriv->s_EeParameters.i_NbrAiChannel =
874 s_AnalogInputHeader.w_Nchannel * 4;
876 devpriv->s_EeParameters.i_NbrAiChannel =
877 s_AnalogInputHeader.w_Nchannel;
878 devpriv->s_EeParameters.i_Dma =
879 s_AnalogInputHeader.b_HasDma;
880 devpriv->s_EeParameters.ui_MinAcquisitiontimeNs =
881 (unsigned int) s_AnalogInputHeader.w_MinConvertTiming *
883 devpriv->s_EeParameters.ui_MinDelaytimeNs =
884 (unsigned int) s_AnalogInputHeader.w_MinDelayTiming *
887 devpriv->s_EeParameters.i_AiMaxdata =
889 s_AnalogInputHeader.b_Resolution);
892 case EEPROM_ANALOGOUTPUT:
893 i_EepromReadAnlogOutputHeader(w_PCIBoardEepromAddress,
894 pc_PCIChipInformation,
895 s_MainHeader.s_Functions[i].w_Address,
896 &s_AnalogOutputHeader);
897 devpriv->s_EeParameters.i_NbrAoChannel =
898 s_AnalogOutputHeader.w_Nchannel;
900 devpriv->s_EeParameters.i_AoMaxdata =
902 s_AnalogOutputHeader.b_Resolution);
906 /* Timer subdevice present */
907 devpriv->s_EeParameters.i_Timer = 1;
910 case EEPROM_WATCHDOG:
911 /* Timer subdevice present */
912 devpriv->s_EeParameters.i_Timer = 1;
915 case EEPROM_TIMER_WATCHDOG_COUNTER:
916 /* Timer subdevice present */
917 devpriv->s_EeParameters.i_Timer = 1;
926 +----------------------------------------------------------------------------+
927 | Function Name : int i_EepromReadDigitalInputHeader(unsigned short |
928 | w_PCIBoardEepromAddress,char *pc_PCIChipInformation, |
929 | unsigned short w_Address,struct str_DigitalInputHeader *s_Header) |
931 +----------------------------------------------------------------------------+
932 | Task : Read Digital Input Header |
933 +----------------------------------------------------------------------------+
934 | Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address |
936 | char *pc_PCIChipInformation : PCI Chip Type. |
938 | struct str_DigitalInputHeader *s_Header: Digita Input Header |
940 +----------------------------------------------------------------------------+
941 | Output Parameters : - |
942 +----------------------------------------------------------------------------+
944 +----------------------------------------------------------------------------+
946 int i_EepromReadDigitalInputHeader(unsigned short w_PCIBoardEepromAddress,
947 char *pc_PCIChipInformation, unsigned short w_Address,
948 struct str_DigitalInputHeader *s_Header)
950 unsigned short w_Temp;
952 /* read nbr of channels */
953 s_Header->w_Nchannel =
954 w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
955 0x100 + w_Address + 6);
957 /* interruptible or not */
958 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
959 pc_PCIChipInformation, 0x100 + w_Address + 8);
960 s_Header->b_Interruptible = (unsigned char) (w_Temp >> 7) & 0x01;
962 /* How many interruptible logic */
963 s_Header->w_NinterruptLogic =
964 w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
965 0x100 + w_Address + 10);
971 +----------------------------------------------------------------------------+
972 | Function Name : int i_EepromReadDigitalOutputHeader(unsigned short |
973 | w_PCIBoardEepromAddress,char *pc_PCIChipInformation, |
974 | unsigned short w_Address,struct str_DigitalOutputHeader *s_Header) |
976 +----------------------------------------------------------------------------+
977 | Task : Read Digital Output Header |
978 +----------------------------------------------------------------------------+
979 | Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address |
981 | char *pc_PCIChipInformation : PCI Chip Type. |
983 | struct str_DigitalOutputHeader *s_Header: Digital Output Header|
985 +----------------------------------------------------------------------------+
986 | Output Parameters : - |
987 +----------------------------------------------------------------------------+
989 +----------------------------------------------------------------------------+
991 int i_EepromReadDigitalOutputHeader(unsigned short w_PCIBoardEepromAddress,
992 char *pc_PCIChipInformation, unsigned short w_Address,
993 struct str_DigitalOutputHeader *s_Header)
995 /* Read Nbr channels */
996 s_Header->w_Nchannel =
997 w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
998 0x100 + w_Address + 6);
1003 +----------------------------------------------------------------------------+
1004 | Function Name : int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress, |
1005 | char *pc_PCIChipInformation,WORD w_Address, |
1006 | struct str_TimerMainHeader *s_Header) |
1007 +----------------------------------------------------------------------------+
1008 | Task : Read Timer or Watchdog Header |
1009 +----------------------------------------------------------------------------+
1010 | Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address |
1012 | char *pc_PCIChipInformation : PCI Chip Type. |
1014 | struct str_TimerMainHeader *s_Header: Timer Header |
1016 +----------------------------------------------------------------------------+
1017 | Output Parameters : - |
1018 +----------------------------------------------------------------------------+
1019 | Return Value : 0 |
1020 +----------------------------------------------------------------------------+
1022 int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress,
1023 char *pc_PCIChipInformation, unsigned short w_Address,
1024 struct str_TimerMainHeader *s_Header)
1027 unsigned short i, w_Size = 0, w_Temp;
1029 /* Read No of Timer */
1030 s_Header->w_Ntimer =
1031 w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
1032 0x100 + w_Address + 6);
1033 /* Read header size */
1035 for (i = 0; i < s_Header->w_Ntimer; i++) {
1036 s_Header->s_TimerDetails[i].w_HeaderSize =
1037 w_EepromReadWord(w_PCIBoardEepromAddress,
1038 pc_PCIChipInformation,
1039 0x100 + w_Address + 8 + w_Size + 0);
1040 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
1041 pc_PCIChipInformation,
1042 0x100 + w_Address + 8 + w_Size + 2);
1044 /* Read Resolution */
1045 s_Header->s_TimerDetails[i].b_Resolution =
1046 (unsigned char) (w_Temp >> 10) & 0x3F;
1049 s_Header->s_TimerDetails[i].b_Mode =
1050 (unsigned char) (w_Temp >> 4) & 0x3F;
1052 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
1053 pc_PCIChipInformation,
1054 0x100 + w_Address + 8 + w_Size + 4);
1056 /* Read MinTiming */
1057 s_Header->s_TimerDetails[i].w_MinTiming = (w_Temp >> 6) & 0x3FF;
1060 s_Header->s_TimerDetails[i].b_TimeBase = (unsigned char) (w_Temp) & 0x3F;
1061 w_Size += s_Header->s_TimerDetails[i].w_HeaderSize;
1068 +----------------------------------------------------------------------------+
1069 | Function Name : int i_EepromReadAnlogOutputHeader(unsigned short |
1070 | w_PCIBoardEepromAddress,char *pc_PCIChipInformation, |
1071 | unsigned short w_Address,str_AnalogOutputHeader *s_Header) |
1072 +----------------------------------------------------------------------------+
1073 | Task : Read Nalog Output Header |
1074 +----------------------------------------------------------------------------+
1075 | Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address |
1077 | char *pc_PCIChipInformation : PCI Chip Type. |
1079 | str_AnalogOutputHeader *s_Header:Anlog Output Header |
1081 +----------------------------------------------------------------------------+
1082 | Output Parameters : - |
1083 +----------------------------------------------------------------------------+
1084 | Return Value : 0 |
1085 +----------------------------------------------------------------------------+
1088 int i_EepromReadAnlogOutputHeader(unsigned short w_PCIBoardEepromAddress,
1089 char *pc_PCIChipInformation, unsigned short w_Address,
1090 struct str_AnalogOutputHeader *s_Header)
1092 unsigned short w_Temp;
1093 /* No of channels for 1st hard component */
1094 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
1095 pc_PCIChipInformation, 0x100 + w_Address + 10);
1096 s_Header->w_Nchannel = (w_Temp >> 4) & 0x03FF;
1097 /* Resolution for 1st hard component */
1098 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
1099 pc_PCIChipInformation, 0x100 + w_Address + 16);
1100 s_Header->b_Resolution = (unsigned char) (w_Temp >> 8) & 0xFF;
1105 +----------------------------------------------------------------------------+
1106 | Function Name : int i_EepromReadAnlogInputHeader(unsigned short |
1107 | w_PCIBoardEepromAddress,char *pc_PCIChipInformation, |
1108 | unsigned short w_Address,struct str_AnalogInputHeader *s_Header) |
1109 +----------------------------------------------------------------------------+
1110 | Task : Read Nalog Output Header |
1111 +----------------------------------------------------------------------------+
1112 | Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address |
1114 | char *pc_PCIChipInformation : PCI Chip Type. |
1116 | struct str_AnalogInputHeader *s_Header:Anlog Input Header |
1118 +----------------------------------------------------------------------------+
1119 | Output Parameters : - |
1120 +----------------------------------------------------------------------------+
1121 | Return Value : 0 |
1122 +----------------------------------------------------------------------------+
1125 /* Reads only for ONE hardware component */
1126 int i_EepromReadAnlogInputHeader(unsigned short w_PCIBoardEepromAddress,
1127 char *pc_PCIChipInformation, unsigned short w_Address,
1128 struct str_AnalogInputHeader *s_Header)
1130 unsigned short w_Temp, w_Offset;
1131 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
1132 pc_PCIChipInformation, 0x100 + w_Address + 10);
1133 s_Header->w_Nchannel = (w_Temp >> 4) & 0x03FF;
1134 s_Header->w_MinConvertTiming =
1135 w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
1136 0x100 + w_Address + 16);
1137 s_Header->w_MinDelayTiming =
1138 w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation,
1139 0x100 + w_Address + 30);
1140 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
1141 pc_PCIChipInformation, 0x100 + w_Address + 20);
1142 s_Header->b_HasDma = (w_Temp >> 13) & 0x01; /* whether dma present or not */
1144 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress, pc_PCIChipInformation, 0x100 + w_Address + 72); /* reading Y */
1145 w_Temp = w_Temp & 0x00FF;
1146 if (w_Temp) /* Y>0 */
1148 w_Offset = 74 + (2 * w_Temp) + (10 * (1 + (w_Temp / 16))); /* offset of first analog input single header */
1149 w_Offset = w_Offset + 2; /* resolution */
1153 w_Offset = w_Offset + 2; /* resolution */
1156 /* read Resolution */
1157 w_Temp = w_EepromReadWord(w_PCIBoardEepromAddress,
1158 pc_PCIChipInformation, 0x100 + w_Address + w_Offset);
1159 s_Header->b_Resolution = w_Temp & 0x001F; /* last 5 bits */