diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c | 469 |
1 files changed, 116 insertions, 353 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c index 5b92e45c9ae3..fc31c4b93407 100644 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c @@ -46,14 +46,62 @@ You should also find the complete GPL in the COPYING file accompanying this sour +----------+-----------+------------------------------------------------+ */ -/* -+----------------------------------------------------------------------------+ -| Included files | -+----------------------------------------------------------------------------+ -*/ - -#include <linux/delay.h> -#include "hwdrv_apci1564.h" +/********* Definitions for APCI-1564 card *****/ + +#define APCI1564_ADDRESS_RANGE 128 + +/* DIGITAL INPUT-OUTPUT DEFINE */ +/* Input defines */ +#define APCI1564_DIGITAL_IP 0x04 +#define APCI1564_DIGITAL_IP_INTERRUPT_MODE1 4 +#define APCI1564_DIGITAL_IP_INTERRUPT_MODE2 8 +#define APCI1564_DIGITAL_IP_IRQ 16 + +/* Output defines */ +#define APCI1564_DIGITAL_OP 0x18 +#define APCI1564_DIGITAL_OP_RW 0 +#define APCI1564_DIGITAL_OP_INTERRUPT 4 +#define APCI1564_DIGITAL_OP_IRQ 12 + +/* Digital Input IRQ Function Selection */ +#define ADDIDATA_OR 0 +#define ADDIDATA_AND 1 + +/* Digital Input Interrupt Status */ +#define APCI1564_DIGITAL_IP_INTERRUPT_STATUS 12 + +/* Digital Output Interrupt Status */ +#define APCI1564_DIGITAL_OP_INTERRUPT_STATUS 8 + +/* Digital Input Interrupt Enable Disable. */ +#define APCI1564_DIGITAL_IP_INTERRUPT_ENABLE 0x4 +#define APCI1564_DIGITAL_IP_INTERRUPT_DISABLE 0xfffffffb + +/* Digital Output Interrupt Enable Disable. */ +#define APCI1564_DIGITAL_OP_VCC_INTERRUPT_ENABLE 0x1 +#define APCI1564_DIGITAL_OP_VCC_INTERRUPT_DISABLE 0xfffffffe +#define APCI1564_DIGITAL_OP_CC_INTERRUPT_ENABLE 0x2 +#define APCI1564_DIGITAL_OP_CC_INTERRUPT_DISABLE 0xfffffffd + +/* TIMER COUNTER WATCHDOG DEFINES */ + +#define ADDIDATA_TIMER 0 +#define ADDIDATA_COUNTER 1 +#define ADDIDATA_WATCHDOG 2 +#define APCI1564_DIGITAL_OP_WATCHDOG 0x28 +#define APCI1564_TIMER 0x48 +#define APCI1564_COUNTER1 0x0 +#define APCI1564_COUNTER2 0x20 +#define APCI1564_COUNTER3 0x40 +#define APCI1564_COUNTER4 0x60 +#define APCI1564_TCW_SYNC_ENABLEDISABLE 0 +#define APCI1564_TCW_RELOAD_VALUE 4 +#define APCI1564_TCW_TIMEBASE 8 +#define APCI1564_TCW_PROG 12 +#define APCI1564_TCW_TRIG_STATUS 16 +#define APCI1564_TCW_IRQ 20 +#define APCI1564_TCW_WARN_TIMEVAL 24 +#define APCI1564_TCW_WARN_TIMEBASE 28 /* Global variables */ static unsigned int ui_InterruptStatus_1564 = 0; @@ -86,9 +134,13 @@ static unsigned int ui_InterruptData, ui_Type; | | +----------------------------------------------------------------------------+ */ -int i_APCI1564_ConfigDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int i_APCI1564_ConfigDigitalInput(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { + struct addi_private *devpriv = dev->private; + devpriv->tsk_Current = current; /*******************************/ /* Set the digital input logic */ @@ -128,107 +180,15 @@ int i_APCI1564_ConfigDigitalInput(struct comedi_device *dev, struct comedi_subde return insn->n; } -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_APCI1564_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 | -| unsigned int ui_Channel : Channel number to read | -| unsigned int *data : Data Pointer to read status | -+----------------------------------------------------------------------------+ -| Output Parameters : -- | -+----------------------------------------------------------------------------+ -| Return Value : TRUE : No error occur | -| : FALSE : Error occur. Return the error | -| | -+----------------------------------------------------------------------------+ -*/ -int i_APCI1564_Read1DigitalInput(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int apci1564_di_insn_bits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { - unsigned int ui_TmpValue = 0; - unsigned int ui_Channel; + struct addi_private *devpriv = dev->private; - ui_Channel = CR_CHAN(insn->chanspec); - if (ui_Channel <= 31) { - ui_TmpValue = - (unsigned int) inl(devpriv->i_IobaseAmcc + APCI1564_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 <=31) */ - else { - comedi_error(dev, "Not a valid channel number !!! \n"); - return -EINVAL; /* "sorry channel spec wrong " */ - } /* else if (ui_Channel >= 0 && ui_Channel <=31) */ - return insn->n; -} + data[1] = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP); -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_APCI1564_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 | -| unsigned int ui_NoOfChannels : No Of Channels To be Read | -| unsigned int *data : Data Pointer to read status | -+----------------------------------------------------------------------------+ -| Output Parameters : -- | -+----------------------------------------------------------------------------+ -| Return Value : TRUE : No error occur | -| : FALSE : Error occur. Return the error | -| | -+----------------------------------------------------------------------------+ -*/ -int i_APCI1564_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); - if (data[1] == 0) { - *data = (unsigned int) inl(devpriv->i_IobaseAmcc + APCI1564_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 8: - ui_Mask = 255; - *data = (*data >> (8 * ui_PortValue)) & ui_Mask; - break; - case 16: - ui_Mask = 65535; - *data = (*data >> (16 * ui_PortValue)) & ui_Mask; - break; - case 31: - break; - default: - comedi_error(dev, "Not a valid Channel number !!!\n"); - return -EINVAL; /* "sorry channel spec wrong " */ - break; - } /* switch (ui_NoOfChannels) */ - } /* if (data[1]==0) */ - else { - if (data[1] == 1) { - *data = ui_InterruptStatus_1564; - } /* if (data[1]==1) */ - } /* else if (data[1]==0) */ return insn->n; } @@ -257,9 +217,12 @@ int i_APCI1564_ReadMoreDigitalInput(struct comedi_device *dev, struct comedi_sub | | +----------------------------------------------------------------------------+ */ -int i_APCI1564_ConfigDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int i_APCI1564_ConfigDigitalOutput(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { + struct addi_private *devpriv = dev->private; unsigned int ul_Command = 0; if ((data[0] != 0) && (data[0] != 1)) { @@ -295,244 +258,27 @@ int i_APCI1564_ConfigDigitalOutput(struct comedi_device *dev, struct comedi_subd return insn->n; } -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_APCI1564_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 | -| unsigned int ui_NoOfChannels : No Of Channels To Write | -| unsigned int *data : Data Pointer to read status | -+----------------------------------------------------------------------------+ -| Output Parameters : -- | -+----------------------------------------------------------------------------+ -| Return Value : TRUE : No error occur | -| : FALSE : Error occur. Return the error | -| | -+----------------------------------------------------------------------------+ -*/ -int i_APCI1564_WriteDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int apci1564_do_insn_bits(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; + struct addi_private *devpriv = dev->private; + unsigned int mask = data[0]; + unsigned int bits = data[1]; - ui_NoOfChannel = CR_CHAN(insn->chanspec); - if (devpriv->b_OutputMemoryStatus) { - ui_Temp = - inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + + s->state = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + APCI1564_DIGITAL_OP_RW); - } /* if (devpriv->b_OutputMemoryStatus ) */ - else { - ui_Temp = 0; - } /* else if (devpriv->b_OutputMemoryStatus ) */ - if (data[3] == 0) { - if (data[1] == 0) { - data[0] = (data[0] << ui_NoOfChannel) | ui_Temp; - outl(data[0], - devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + - APCI1564_DIGITAL_OP_RW); - } /* 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 16: - data[0] = - (data[0] << (16 * - data[2])) | ui_Temp; - break; - case 31: - data[0] = data[0] | ui_Temp; - break; - default: - comedi_error(dev, " chan spec wrong"); - return -EINVAL; /* "sorry channel spec wrong " */ - } /* switch (ui_NoOfChannels) */ - outl(data[0], - devpriv->i_IobaseAmcc + - APCI1564_DIGITAL_OP + - APCI1564_DIGITAL_OP_RW); - } /* 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) ^ - 0xffffffff; - data[0] = data[0] & ui_Temp; - outl(data[0], - devpriv->i_IobaseAmcc + - APCI1564_DIGITAL_OP + - APCI1564_DIGITAL_OP_RW); - } /* 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])) ^ - 0xffffffff) & 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])) ^ - 0xffffffff) & 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])) ^ - 0xffffffff) & ui_Temp; - break; - case 16: - data[0] = ~data[0] & 0xffff; - ui_Temp1 = 65535; - ui_Temp1 = - ui_Temp1 << 16 * - data[2]; - ui_Temp = ui_Temp | ui_Temp1; - data[0] = - ((data[0] << (16 * - data - [2])) ^ - 0xffffffff) & ui_Temp; - break; - case 31: - break; - default: - comedi_error(dev, - " chan spec wrong"); - return -EINVAL; /* "sorry channel spec wrong " */ - } /* switch(ui_NoOfChannels) */ - outl(data[0], - devpriv->i_IobaseAmcc + - APCI1564_DIGITAL_OP + - APCI1564_DIGITAL_OP_RW); - } /* if (data[1]==1) */ - else { - printk("\nSpecified channel not supported\n"); - } /* else if (data[1]==1) */ - } /* else if (data[1]==0) */ - } /* if (data[3]==1); */ - else { - printk("\nSpecified functionality does not exist\n"); - return -EINVAL; - } /* else if (data[3]==1) */ - } /* else if (data[3]==0) */ - return insn->n; -} + if (mask) { + s->state &= ~mask; + s->state |= (bits & mask); + + outl(s->state, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + + APCI1564_DIGITAL_OP_RW); + } + + data[1] = s->state; -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_APCI1564_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 | -| unsigned int ui_NoOfChannels : No Of Channels To read | -| unsigned int *data : Data Pointer to read status | -+----------------------------------------------------------------------------+ -| Output Parameters : -- | -+----------------------------------------------------------------------------+ -| Return Value : TRUE : No error occur | -| : FALSE : Error occur. Return the error | -| | -+----------------------------------------------------------------------------+ -*/ -int i_APCI1564_ReadDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) -{ - unsigned int ui_Temp; - unsigned int ui_NoOfChannel; - - ui_NoOfChannel = CR_CHAN(insn->chanspec); - ui_Temp = data[0]; - *data = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + - APCI1564_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 16: - *data = (*data >> (16 * data[1])) & 65535; - break; - - case 31: - break; - - default: - comedi_error(dev, " chan spec wrong"); - return -EINVAL; /* "sorry channel spec wrong " */ - break; - } /* switch(ui_NoOfChannels) */ - } /* if (ui_Temp==1) */ - else { - printk("\nSpecified channel not supported \n"); - } /* else if (ui_Temp==1) */ - } /* else if (ui_Temp==0) */ return insn->n; } @@ -566,10 +312,14 @@ int i_APCI1564_ReadDigitalOutput(struct comedi_device *dev, struct comedi_subdev | | +----------------------------------------------------------------------------+ */ -int i_APCI1564_ConfigTimerCounterWatchdog(struct comedi_device *dev, - struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) +static int i_APCI1564_ConfigTimerCounterWatchdog(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { + struct addi_private *devpriv = dev->private; unsigned int ul_Command1 = 0; + devpriv->tsk_Current = current; if (data[0] == ADDIDATA_WATCHDOG) { devpriv->b_TimerSelectMode = ADDIDATA_WATCHDOG; @@ -720,10 +470,14 @@ int i_APCI1564_ConfigTimerCounterWatchdog(struct comedi_device *dev, | | +----------------------------------------------------------------------------+ */ -int i_APCI1564_StartStopWriteTimerCounterWatchdog(struct comedi_device *dev, - struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) +static int i_APCI1564_StartStopWriteTimerCounterWatchdog(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { + struct addi_private *devpriv = dev->private; unsigned int ul_Command1 = 0; + if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) { switch (data[1]) { case 0: /* stop the watchdog */ @@ -815,9 +569,12 @@ int i_APCI1564_StartStopWriteTimerCounterWatchdog(struct comedi_device *dev, | | +----------------------------------------------------------------------------+ */ -int i_APCI1564_ReadTimerCounterWatchdog(struct comedi_device *dev, - struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) +static int i_APCI1564_ReadTimerCounterWatchdog(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { + struct addi_private *devpriv = dev->private; unsigned int ul_Command1 = 0; if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) { @@ -894,8 +651,10 @@ int i_APCI1564_ReadTimerCounterWatchdog(struct comedi_device *dev, +----------------------------------------------------------------------------+ */ -int i_APCI1564_ReadInterruptStatus(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int i_APCI1564_ReadInterruptStatus(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { *data = ui_Type; return insn->n; @@ -921,10 +680,12 @@ int i_APCI1564_ReadInterruptStatus(struct comedi_device *dev, struct comedi_subd static void v_APCI1564_Interrupt(int irq, void *d) { struct comedi_device *dev = d; + struct addi_private *devpriv = dev->private; unsigned int ui_DO, ui_DI; unsigned int ui_Timer; unsigned int ui_C1, ui_C2, ui_C3, ui_C4; unsigned int ul_Command2 = 0; + ui_DI = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + APCI1564_DIGITAL_IP_IRQ) & 0x01; ui_DO = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + @@ -1104,8 +865,10 @@ static void v_APCI1564_Interrupt(int irq, void *d) +----------------------------------------------------------------------------+ */ -int i_APCI1564_Reset(struct comedi_device *dev) +static int i_APCI1564_Reset(struct comedi_device *dev) { + struct addi_private *devpriv = dev->private; + outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_IRQ); /* disable the interrupts */ inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_INTERRUPT_STATUS); /* Reset the interrupt status register */ outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_INTERRUPT_MODE1); /* Disable the and/or interrupt */ |