diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c | 460 |
1 files changed, 460 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c new file mode 100644 index 000000000000..31f55da39ea8 --- /dev/null +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c @@ -0,0 +1,460 @@ +/** +@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 : APCI-2016 | Compiler : GCC | + | Module name : hwdrv_apci2016.c| Version : 2.96 | + +-------------------------------+---------------------------------------+ + | Project manager: Eric Stolz | Date : 02/12/2002 | + +-------------------------------+---------------------------------------+ + | Description : Hardware Layer Acces For APCI-2016 | + +-----------------------------------------------------------------------+ + | UPDATES | + +----------+-----------+------------------------------------------------+ + | Date | Author | Description of updates | + +----------+-----------+------------------------------------------------+ + | | | | + | | | | + | | | | + +----------+-----------+------------------------------------------------+ +*/ + +/* ++----------------------------------------------------------------------------+ +| Included files | ++----------------------------------------------------------------------------+ +*/ +#include "hwdrv_apci2016.h" + +/* ++----------------------------------------------------------------------------+ +| Function Name : int i_APCI2016_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 | +| UINT *data : Data Pointer contains | +| configuration parameters as below | +| | +| data[0] : 1 Digital Memory On | +| 0 Digital Memory Off | ++----------------------------------------------------------------------------+ +| Output Parameters : -- | ++----------------------------------------------------------------------------+ +| Return Value : TRUE : No error occur | +| : FALSE : Error occur. Return the error | +| | ++----------------------------------------------------------------------------+ +*/ +int i_APCI2016_ConfigDigitalOutput(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + if ((data[0] != 0) && (data[0] != 1)) { + comedi_error(dev, + "Not a valid Data !!! ,Data should be 1 or 0\n"); + return -EINVAL; + } // if ((data[0]!=0) && (data[0]!=1)) + if (data[0]) { + devpriv->b_OutputMemoryStatus = ADDIDATA_ENABLE; + } // if (data[0] + else { + devpriv->b_OutputMemoryStatus = ADDIDATA_DISABLE; + } // else if (data[0] + return insn->n; +} + +/* ++----------------------------------------------------------------------------+ +| Function Name : int i_APCI2016_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 | +| UINT ui_NoOfChannels : No Of Channels To Write | +| UINT *data : Data Pointer to read status | ++----------------------------------------------------------------------------+ +| Output Parameters : -- | ++----------------------------------------------------------------------------+ +| Return Value : TRUE : No error occur | +| : FALSE : Error occur. Return the error | +| | ++----------------------------------------------------------------------------+ +*/ +int i_APCI2016_WriteDigitalOutput(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + UINT ui_NoOfChannel; + UINT ui_Temp, ui_Temp1; + ui_NoOfChannel = CR_CHAN(insn->chanspec); + if ((ui_NoOfChannel < 0) || (ui_NoOfChannel > 15)) { + comedi_error(dev, + "Invalid Channel Numbers !!!, Channel Numbers must be between 0 and 15\n"); + return -EINVAL; + } // if ((ui_NoOfChannel<0) || (ui_NoOfChannel>15)) + if (devpriv->b_OutputMemoryStatus) { + ui_Temp = inw(devpriv->iobase + APCI2016_DIGITAL_OP); + } // if (devpriv->b_OutputMemoryStatus ) + else { + ui_Temp = 0; + } // else if (devpriv->b_OutputMemoryStatus ) + if ((data[1] != 0) && (data[1] != 1)) { + comedi_error(dev, + "Invalid Data[1] value !!!, Data[1] should be 0 or 1\n"); + return -EINVAL; + } // if ((data[1]!=0) && (data[1]!=1)) + + if (data[3] == 0) { + if (data[1] == 0) { + data[0] = (data[0] << ui_NoOfChannel) | ui_Temp; + outw(data[0], devpriv->iobase + APCI2016_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 8: + data[0] = + (data[0] << (8 * + data[2])) | ui_Temp; + break; + case 15: + 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 + APCI2016_DIGITAL_OP); + } // if (data[1]==1) + else { + printk("\nSpecified channel not supported\n"); + } // else if (data[1]==1) + } // else if (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) ^ 0xffff; + data[0] = data[0] & ui_Temp; + outw(data[0], + devpriv->iobase + APCI2016_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])) ^ + 0xffff) & 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])) ^ + 0xffff) & ui_Temp; + break; + case 8: + data[0] = ~data[0] & 0xff; + ui_Temp1 = 255; + ui_Temp1 = + ui_Temp1 << 8 * data[2]; + ui_Temp = ui_Temp | ui_Temp1; + data[0] = + ((data[0] << (8 * + data + [2])) ^ + 0xffff) & ui_Temp; + break; + case 15: + break; + default: + comedi_error(dev, + " chan spec wrong"); + return -EINVAL; // "sorry channel spec wrong " + } //switch(ui_NoOfChannels) + outw(data[0], + devpriv->iobase + + APCI2016_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_APCI2016_BitsDigitalOutput | +| (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 | +| UINT ui_NoOfChannels : No Of Channels To read | +| UINT *data : Data Pointer to read status | ++----------------------------------------------------------------------------+ +| Output Parameters : -- | ++----------------------------------------------------------------------------+ +| Return Value : TRUE : No error occur | +| : FALSE : Error occur. Return the error | +| | ++----------------------------------------------------------------------------+ +*/ +int i_APCI2016_BitsDigitalOutput(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + UINT ui_Temp; + UINT ui_NoOfChannel; + ui_NoOfChannel = CR_CHAN(insn->chanspec); + if ((ui_NoOfChannel < 0) || (ui_NoOfChannel > 15)) { + comedi_error(dev, + "Invalid Channel Numbers !!!, Channel Numbers must be between 0 and 15\n"); + return -EINVAL; + } // if ((ui_NoOfChannel<0) || (ui_NoOfChannel>15)) + if ((data[0] != 0) && (data[0] != 1)) { + comedi_error(dev, + "Invalid Data[0] value !!!, Data[0] should be 0 or 1\n"); + return -EINVAL; + } // if ((data[0]!=0) && (data[0]!=1)) + ui_Temp = data[0]; + *data = inw(devpriv->iobase + APCI2016_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 8: + *data = (*data >> (8 * data[1])) & 255; + break; + + case 15: + break; + + default: + comedi_error(dev, " chan spec wrong"); + return -EINVAL; // "sorry channel spec wrong " + } //switch(ui_NoOfChannel) + } // if (ui_Temp==1) + else { + printk("\nSpecified channel not supported \n"); + } // else if (ui_Temp==1) + } // if (ui_Temp==0) + return insn->n; +} + +/* ++----------------------------------------------------------------------------+ +| Function Name : int i_APCI2016_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_APCI2016_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 + + APCI2016_WATCHDOG_ENABLEDISABLE); + //Loading the Reload value + outw(data[1], + devpriv->i_IobaseAddon + + APCI2016_WATCHDOG_RELOAD_VALUE); + data[1] = data[1] >> 16; + outw(data[1], + devpriv->i_IobaseAddon + + APCI2016_WATCHDOG_RELOAD_VALUE + 2); + } else { + printk("\nThe input parameters are wrong\n"); + } + return insn->n; +} + +/* ++----------------------------------------------------------------------------+ +| Function Name : int i_APCI2016_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_APCI2016_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 + APCI2016_WATCHDOG_ENABLEDISABLE); //disable the watchdog + break; + case 1: //start the watchdog + outw(0x0001, + devpriv->i_IobaseAddon + + APCI2016_WATCHDOG_ENABLEDISABLE); + break; + case 2: //Software trigger + outw(0x0201, + devpriv->i_IobaseAddon + + APCI2016_WATCHDOG_ENABLEDISABLE); + break; + default: + printk("\nSpecified functionality does not exist\n"); + return -EINVAL; + } // switch(data[0]) + + return insn->n; +} + +/* ++----------------------------------------------------------------------------+ +| Function Name : int i_APCI2016_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_APCI2016_ReadWatchdog(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + udelay(5); + data[0] = inw(devpriv->i_IobaseAddon + APCI2016_WATCHDOG_STATUS) & 0x1; + return insn->n; +} + +/* ++----------------------------------------------------------------------------+ +| Function Name : int i_APCI2016_Reset(struct comedi_device *dev) | | ++----------------------------------------------------------------------------+ +| Task :resets all the registers | ++----------------------------------------------------------------------------+ +| Input Parameters : struct comedi_device *dev ++----------------------------------------------------------------------------+ +| Output Parameters : -- | ++----------------------------------------------------------------------------+ +| Return Value : | +| | ++----------------------------------------------------------------------------+ +*/ + +INT i_APCI2016_Reset(struct comedi_device * dev) +{ + outw(0x0, devpriv->iobase + APCI2016_DIGITAL_OP); // Resets the digital output channels + outw(0x0, devpriv->i_IobaseAddon + APCI2016_WATCHDOG_ENABLEDISABLE); + outw(0x0, devpriv->i_IobaseAddon + APCI2016_WATCHDOG_RELOAD_VALUE); + outw(0x0, devpriv->i_IobaseAddon + APCI2016_WATCHDOG_RELOAD_VALUE + 2); + return 0; +} |