| /** |
| @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 : APCI-1516 | Compiler : GCC | |
| | Module name : hwdrv_apci1516.c| Version : 2.96 | |
| +-------------------------------+---------------------------------------+ |
| | Project manager: Eric Stolz | Date : 02/12/2002 | |
| +-------------------------------+---------------------------------------+ |
| | Description : Hardware Layer Access For APCI-1516 | |
| +-----------------------------------------------------------------------+ |
| | UPDATES | |
| +----------+-----------+------------------------------------------------+ |
| | Date | Author | Description of updates | |
| +----------+-----------+------------------------------------------------+ |
| | | | | |
| | | | | |
| | | | | |
| +----------+-----------+------------------------------------------------+ |
| */ |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Included files | |
| +----------------------------------------------------------------------------+ |
| */ |
| #include "hwdrv_apci1516.h" |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_Read1DigitalInput | |
| | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| | struct comedi_insn *insn,unsigned int *data) | |
| +----------------------------------------------------------------------------+ |
| | Task : Return the status of the digital input | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev : Driver handle | |
| | struct comedi_subdevice *s, :pointer to subdevice structure |
| | struct comedi_insn *insn :pointer to insn structure | |
| | unsigned int *data : Data Pointer to read status | |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : TRUE : No error occur | |
| | : FALSE : Error occur. Return the error | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| int i_APCI1516_Read1DigitalInput(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| unsigned int ui_TmpValue = 0; |
| unsigned int ui_Channel; |
| ui_Channel = CR_CHAN(insn->chanspec); |
| if (ui_Channel <= 7) { |
| ui_TmpValue = (unsigned int) inw(devpriv->iobase + APCI1516_DIGITAL_IP); |
| /* since only 1 channel reqd to bring it to last bit it is rotated */ |
| /* 8 +(chan - 1) times then ANDed with 1 for last bit. */ |
| *data = (ui_TmpValue >> ui_Channel) & 0x1; |
| } /* if(ui_Channel >= 0 && ui_Channel <=7) */ |
| else { |
| /* comedi_error(dev," \n chan spec wrong\n"); */ |
| return -EINVAL; /* "sorry channel spec wrong " */ |
| } /* else if(ui_Channel >= 0 && ui_Channel <=7) */ |
| |
| return insn->n; |
| } |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_ReadMoreDigitalInput | |
| | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| | struct comedi_insn *insn,unsigned int *data) | |
| +----------------------------------------------------------------------------+ |
| | Task : Return the status of the Requested digital inputs | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev : Driver handle | |
| | struct comedi_subdevice *s, :pointer to subdevice structure |
| | struct comedi_insn *insn :pointer to insn structure | |
| | unsigned int *data : Data Pointer to read status | |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : TRUE : No error occur | |
| | : FALSE : Error occur. Return the error | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| |
| int i_APCI1516_ReadMoreDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| |
| unsigned int ui_PortValue = data[0]; |
| unsigned int ui_Mask = 0; |
| unsigned int ui_NoOfChannels; |
| |
| ui_NoOfChannels = CR_CHAN(insn->chanspec); |
| |
| *data = (unsigned int) inw(devpriv->iobase + APCI1516_DIGITAL_IP); |
| switch (ui_NoOfChannels) { |
| case 2: |
| ui_Mask = 3; |
| *data = (*data >> (2 * ui_PortValue)) & ui_Mask; |
| break; |
| case 4: |
| ui_Mask = 15; |
| *data = (*data >> (4 * ui_PortValue)) & ui_Mask; |
| break; |
| case 7: |
| break; |
| |
| default: |
| printk("\nWrong parameters\n"); |
| return -EINVAL; /* "sorry channel spec wrong " */ |
| break; |
| } /* switch(ui_NoOfChannels) */ |
| |
| return insn->n; |
| } |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_ConfigDigitalOutput (struct comedi_device *dev, |
| | struct comedi_subdevice *s struct comedi_insn *insn,unsigned int *data) | |
| | | |
| +----------------------------------------------------------------------------+ |
| | Task : Configures The Digital Output Subdevice. | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev : Driver handle | |
| | unsigned int *data : Data Pointer contains | |
| | configuration parameters as below | |
| | struct comedi_subdevice *s, :pointer to subdevice structure |
| | struct comedi_insn *insn :pointer to insn structure | |
| | data[0] :1:Memory on | |
| | 0:Memory off | |
| | | |
| | | |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : TRUE : No error occur | |
| | : FALSE : Error occur. Return the error | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| int i_APCI1516_ConfigDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| devpriv->b_OutputMemoryStatus = data[0]; |
| return insn->n; |
| } |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_WriteDigitalOutput | |
| | (struct comedi_device *dev,struct comedi_subdevice *s,struct comedi_insn *insn, |
| | unsigned int *data) | |
| +----------------------------------------------------------------------------+ |
| | Task : Writes port value To the selected port | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev : Driver handle | |
| | struct comedi_subdevice *s, :pointer to subdevice structure |
| | struct comedi_insn *insn :pointer to insn structure | |
| | unsigned int *data : Data Pointer to read status | |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : TRUE : No error occur | |
| | : FALSE : Error occur. Return the error | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| |
| int i_APCI1516_WriteDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| unsigned int ui_Temp, ui_Temp1; |
| unsigned int ui_NoOfChannel = CR_CHAN(insn->chanspec); /* get the channel */ |
| |
| printk("EL311003 : @=%x\n", devpriv->iobase + APCI1516_DIGITAL_OP); |
| |
| if (devpriv->b_OutputMemoryStatus) { |
| ui_Temp = inw(devpriv->iobase + APCI1516_DIGITAL_OP); |
| |
| } /* if(devpriv->b_OutputMemoryStatus ) */ |
| else { |
| ui_Temp = 0; |
| } /* if(devpriv->b_OutputMemoryStatus ) */ |
| if (data[3] == 0) { |
| if (data[1] == 0) { |
| data[0] = (data[0] << ui_NoOfChannel) | ui_Temp; |
| outw(data[0], devpriv->iobase + APCI1516_DIGITAL_OP); |
| |
| printk("EL311003 : d=%d @=%x\n", data[0], |
| devpriv->iobase + APCI1516_DIGITAL_OP); |
| |
| } /* if(data[1]==0) */ |
| else { |
| if (data[1] == 1) { |
| switch (ui_NoOfChannel) { |
| |
| case 2: |
| data[0] = |
| (data[0] << (2 * |
| data[2])) | ui_Temp; |
| break; |
| |
| case 4: |
| data[0] = |
| (data[0] << (4 * |
| data[2])) | ui_Temp; |
| break; |
| |
| case 7: |
| data[0] = data[0] | ui_Temp; |
| break; |
| |
| default: |
| comedi_error(dev, " chan spec wrong"); |
| return -EINVAL; /* "sorry channel spec wrong " */ |
| |
| } /* switch(ui_NoOfChannels) */ |
| |
| outw(data[0], |
| devpriv->iobase + APCI1516_DIGITAL_OP); |
| |
| printk("EL311003 : d=%d @=%x\n", data[0], |
| devpriv->iobase + APCI1516_DIGITAL_OP); |
| } /* if(data[1]==1) */ |
| else { |
| printk("\nSpecified channel not supported\n"); |
| } /* else if(data[1]==1) */ |
| } /* elseif(data[1]==0) */ |
| } /* if(data[3]==0) */ |
| else { |
| if (data[3] == 1) { |
| if (data[1] == 0) { |
| data[0] = ~data[0] & 0x1; |
| ui_Temp1 = 1; |
| ui_Temp1 = ui_Temp1 << ui_NoOfChannel; |
| ui_Temp = ui_Temp | ui_Temp1; |
| data[0] = (data[0] << ui_NoOfChannel) ^ 0xff; |
| data[0] = data[0] & ui_Temp; |
| outw(data[0], |
| devpriv->iobase + APCI1516_DIGITAL_OP); |
| |
| printk("EL311003 : d=%d @=%x\n", data[0], |
| devpriv->iobase + APCI1516_DIGITAL_OP); |
| |
| } /* if(data[1]==0) */ |
| else { |
| if (data[1] == 1) { |
| switch (ui_NoOfChannel) { |
| |
| case 2: |
| data[0] = ~data[0] & 0x3; |
| ui_Temp1 = 3; |
| ui_Temp1 = |
| ui_Temp1 << 2 * data[2]; |
| ui_Temp = ui_Temp | ui_Temp1; |
| data[0] = |
| ((data[0] << (2 * |
| data |
| [2])) ^ |
| 0xff) & ui_Temp; |
| break; |
| |
| case 4: |
| data[0] = ~data[0] & 0xf; |
| ui_Temp1 = 15; |
| ui_Temp1 = |
| ui_Temp1 << 4 * data[2]; |
| ui_Temp = ui_Temp | ui_Temp1; |
| data[0] = |
| ((data[0] << (4 * |
| data |
| [2])) ^ |
| 0xff) & ui_Temp; |
| break; |
| |
| case 7: |
| break; |
| |
| default: |
| comedi_error(dev, |
| " chan spec wrong"); |
| return -EINVAL; /* "sorry channel spec wrong " */ |
| |
| } /* switch(ui_NoOfChannels) */ |
| |
| outw(data[0], |
| devpriv->iobase + |
| APCI1516_DIGITAL_OP); |
| |
| printk("EL311003 : d=%d @=%x\n", |
| data[0], |
| devpriv->iobase + |
| APCI1516_DIGITAL_OP); |
| } /* if(data[1]==1) */ |
| else { |
| printk("\nSpecified channel not supported\n"); |
| } /* else if(data[1]==1) */ |
| } /* elseif(data[1]==0) */ |
| } /* if(data[3]==1); */ |
| else { |
| printk("\nSpecified functionality does not exist\n"); |
| return -EINVAL; |
| } /* if else data[3]==1) */ |
| } /* if else data[3]==0) */ |
| return (insn->n);; |
| } |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_ReadDigitalOutput | |
| | (struct comedi_device *dev,struct comedi_subdevice *s,struct comedi_insn *insn, |
| | unsigned int *data) | |
| +----------------------------------------------------------------------------+ |
| | Task : Read value of the selected channel or port | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev : Driver handle | |
| | struct comedi_subdevice *s, :pointer to subdevice structure |
| | struct comedi_insn *insn :pointer to insn structure | |
| | unsigned int *data : Data Pointer to read status | |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : TRUE : No error occur | |
| | : FALSE : Error occur. Return the error | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| |
| int i_APCI1516_ReadDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| |
| unsigned int ui_Temp; |
| unsigned int ui_NoOfChannel = CR_CHAN(insn->chanspec); /* get the channel */ |
| ui_Temp = data[0]; |
| *data = inw(devpriv->iobase + APCI1516_DIGITAL_OP_RW); |
| if (ui_Temp == 0) { |
| *data = (*data >> ui_NoOfChannel) & 0x1; |
| } /* if(ui_Temp==0) */ |
| else { |
| if (ui_Temp == 1) { |
| switch (ui_NoOfChannel) { |
| |
| case 2: |
| *data = (*data >> (2 * data[1])) & 3; |
| break; |
| |
| case 4: |
| *data = (*data >> (4 * data[1])) & 15; |
| break; |
| |
| case 7: |
| break; |
| |
| default: |
| comedi_error(dev, " chan spec wrong"); |
| return -EINVAL; /* "sorry channel spec wrong " */ |
| |
| } /* switch(ui_NoOfChannels) */ |
| } /* if(ui_Temp==1) */ |
| else { |
| printk("\nSpecified channel not supported \n"); |
| } /* elseif(ui_Temp==1) */ |
| } /* elseif(ui_Temp==0) */ |
| return insn->n; |
| } |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_ConfigWatchdog(struct comedi_device *dev, |
| | struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data) | |
| | | |
| +----------------------------------------------------------------------------+ |
| | Task : Configures The Watchdog | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev : Driver handle | |
| | struct comedi_subdevice *s, :pointer to subdevice structure |
| | struct comedi_insn *insn :pointer to insn structure | |
| | unsigned int *data : Data Pointer to read status | |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : TRUE : No error occur | |
| | : FALSE : Error occur. Return the error | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| |
| int i_APCI1516_ConfigWatchdog(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| if (data[0] == 0) { |
| /* Disable the watchdog */ |
| outw(0x0, |
| devpriv->i_IobaseAddon + |
| APCI1516_WATCHDOG_ENABLEDISABLE); |
| /* Loading the Reload value */ |
| outw(data[1], |
| devpriv->i_IobaseAddon + |
| APCI1516_WATCHDOG_RELOAD_VALUE); |
| data[1] = data[1] >> 16; |
| outw(data[1], |
| devpriv->i_IobaseAddon + |
| APCI1516_WATCHDOG_RELOAD_VALUE + 2); |
| } /* if(data[0]==0) */ |
| else { |
| printk("\nThe input parameters are wrong\n"); |
| return -EINVAL; |
| } /* elseif(data[0]==0) */ |
| |
| return insn->n; |
| } |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_StartStopWriteWatchdog | |
| | (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data); | |
| +----------------------------------------------------------------------------+ |
| | Task : Start / Stop The Watchdog | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev : Driver handle | |
| | struct comedi_subdevice *s, :pointer to subdevice structure |
| struct comedi_insn *insn :pointer to insn structure | |
| | unsigned int *data : Data Pointer to read status | |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : TRUE : No error occur | |
| | : FALSE : Error occur. Return the error | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| |
| int i_APCI1516_StartStopWriteWatchdog(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| switch (data[0]) { |
| case 0: /* stop the watchdog */ |
| outw(0x0, devpriv->i_IobaseAddon + APCI1516_WATCHDOG_ENABLEDISABLE); /* disable the watchdog */ |
| break; |
| case 1: /* start the watchdog */ |
| outw(0x0001, |
| devpriv->i_IobaseAddon + |
| APCI1516_WATCHDOG_ENABLEDISABLE); |
| break; |
| case 2: /* Software trigger */ |
| outw(0x0201, |
| devpriv->i_IobaseAddon + |
| APCI1516_WATCHDOG_ENABLEDISABLE); |
| break; |
| default: |
| printk("\nSpecified functionality does not exist\n"); |
| return -EINVAL; |
| } /* switch(data[0]) */ |
| return insn->n; |
| } |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_ReadWatchdog | |
| | (struct comedi_device *dev,struct comedi_subdevice *s,struct comedi_insn *insn, |
| unsigned int *data); | |
| +----------------------------------------------------------------------------+ |
| | Task : Read The Watchdog | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev : Driver handle | |
| | struct comedi_subdevice *s, :pointer to subdevice structure |
| struct comedi_insn *insn :pointer to insn structure | |
| | unsigned int *data : Data Pointer to read status | |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : TRUE : No error occur | |
| | : FALSE : Error occur. Return the error | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| |
| int i_APCI1516_ReadWatchdog(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| data[0] = inw(devpriv->i_IobaseAddon + APCI1516_WATCHDOG_STATUS) & 0x1; |
| return insn->n; |
| } |
| |
| /* |
| +----------------------------------------------------------------------------+ |
| | Function Name : int i_APCI1516_Reset(struct comedi_device *dev) | | |
| +----------------------------------------------------------------------------+ |
| | Task :resets all the registers | |
| +----------------------------------------------------------------------------+ |
| | Input Parameters : struct comedi_device *dev |
| +----------------------------------------------------------------------------+ |
| | Output Parameters : -- | |
| +----------------------------------------------------------------------------+ |
| | Return Value : | |
| | | |
| +----------------------------------------------------------------------------+ |
| */ |
| |
| int i_APCI1516_Reset(struct comedi_device *dev) |
| { |
| outw(0x0, devpriv->iobase + APCI1516_DIGITAL_OP); /* RESETS THE DIGITAL OUTPUTS */ |
| outw(0x0, devpriv->i_IobaseAddon + APCI1516_WATCHDOG_ENABLEDISABLE); |
| outw(0x0, devpriv->i_IobaseAddon + APCI1516_WATCHDOG_RELOAD_VALUE); |
| outw(0x0, devpriv->i_IobaseAddon + APCI1516_WATCHDOG_RELOAD_VALUE + 2); |
| return 0; |
| } |
