+----------------------------------------------------------------------------+
*/
-/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnConfigAnalogInput(struct comedi_device *dev,|
-| struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task : Calls card specific function |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_InsnConfigAnalogInput(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int i_APCI3120_InsnConfigAnalogInput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int i;
}
/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, |
-| struct comedi_subdevice *s,struct comedi_insn *insn, unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task : card specific function |
-| Reads analog input in synchronous mode |
-| EOC and EOS is selected as per configured |
-| if no conversion time is set uses default conversion |
-| time 10 microsec. |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
+ * This function will first check channel list is ok or not and then
+ * initialize the sequence RAM with the polarity, Gain,Channel number.
+ * If the last argument of function "check"is 1 then it only checks
+ * the channel list is ok or not.
+ */
+static int i_APCI3120_SetupChannelList(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ int n_chan,
+ unsigned int *chanlist,
+ char check)
+{
+ struct addi_private *devpriv = dev->private;
+ unsigned int i; /* , differencial=0, bipolar=0; */
+ unsigned int gain;
+ unsigned short us_TmpValue;
+
+ /* correct channel and range number check itself comedi/range.c */
+ if (n_chan < 1) {
+ if (!check)
+ comedi_error(dev, "range/channel list is empty!");
+ return 0;
+ }
+ /* All is ok, so we can setup channel/range list */
+ if (check)
+ return 1;
+
+ /* Code to set the PA and PR...Here it set PA to 0.. */
+ devpriv->us_OutputRegister =
+ devpriv->us_OutputRegister & APCI3120_CLEAR_PA_PR;
+ devpriv->us_OutputRegister = ((n_chan - 1) & 0xf) << 8;
+ outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+
+ for (i = 0; i < n_chan; i++) {
+ /* store range list to card */
+ us_TmpValue = CR_CHAN(chanlist[i]); /* get channel number; */
+
+ if (CR_RANGE(chanlist[i]) < APCI3120_BIPOLAR_RANGES)
+ us_TmpValue &= ((~APCI3120_UNIPOLAR) & 0xff); /* set bipolar */
+ else
+ us_TmpValue |= APCI3120_UNIPOLAR; /* enable unipolar...... */
+
+ gain = CR_RANGE(chanlist[i]); /* get gain number */
+ us_TmpValue |= ((gain & 0x03) << 4); /* <<4 for G0 and G1 bit in RAM */
+ us_TmpValue |= i << 8; /* To select the RAM LOCATION.... */
+ outw(us_TmpValue, dev->iobase + APCI3120_SEQ_RAM_ADDRESS);
+
+ printk("\n Gain = %i",
+ (((unsigned char)CR_RANGE(chanlist[i]) & 0x03) << 2));
+ printk("\n Channel = %i", CR_CHAN(chanlist[i]));
+ printk("\n Polarity = %i", us_TmpValue & APCI3120_UNIPOLAR);
+ }
+ return 1; /* we can serve this with scan logic */
+}
-int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+/*
+ * Reads analog input in synchronous mode EOC and EOS is selected
+ * as per configured if no conversion time is set uses default
+ * conversion time 10 microsec.
+ */
+static int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
}
+static int i_APCI3120_Reset(struct comedi_device *dev)
+{
+ struct addi_private *devpriv = dev->private;
+ unsigned int i;
+ unsigned short us_TmpValue;
+
+ devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
+ devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
+ devpriv->b_InterruptMode = APCI3120_EOC_MODE;
+ devpriv->ui_EocEosConversionTime = 0; /* set eoc eos conv time to 0 */
+ devpriv->b_OutputMemoryStatus = 0;
+
+ /* variables used in timer subdevice */
+ devpriv->b_Timer2Mode = 0;
+ devpriv->b_Timer2Interrupt = 0;
+ devpriv->b_ExttrigEnable = 0; /* Disable ext trigger */
+
+ /* Disable all interrupts, watchdog for the anolog output */
+ devpriv->b_ModeSelectRegister = 0;
+ outb(devpriv->b_ModeSelectRegister,
+ dev->iobase + APCI3120_WRITE_MODE_SELECT);
+
+ /* Disables all counters, ext trigger and clears PA, PR */
+ devpriv->us_OutputRegister = 0;
+ outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+
/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_StopCyclicAcquisition(struct comedi_device *dev,|
-| struct comedi_subdevice *s)|
-| |
-+----------------------------------------------------------------------------+
-| Task : Stops Cyclic acquisition |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| |
-+----------------------------------------------------------------------------+
-| Return Value :0 |
-| |
-+----------------------------------------------------------------------------+
-*/
+ * Code to set the all anolog o/p channel to 0v 8191 is decimal
+ * value for zero(0 v)volt in bipolar mode(default)
+ */
+ outw(8191 | APCI3120_ANALOG_OP_CHANNEL_1, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 1 */
+ outw(8191 | APCI3120_ANALOG_OP_CHANNEL_2, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 2 */
+ outw(8191 | APCI3120_ANALOG_OP_CHANNEL_3, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 3 */
+ outw(8191 | APCI3120_ANALOG_OP_CHANNEL_4, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 4 */
+
+ outw(8191 | APCI3120_ANALOG_OP_CHANNEL_5, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 5 */
+ outw(8191 | APCI3120_ANALOG_OP_CHANNEL_6, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 6 */
+ outw(8191 | APCI3120_ANALOG_OP_CHANNEL_7, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 7 */
+ outw(8191 | APCI3120_ANALOG_OP_CHANNEL_8, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 8 */
+
+ /* Reset digital output to L0W */
+
+/* ES05 outb(0x0,dev->iobase+APCI3120_DIGITAL_OUTPUT); */
+ udelay(10);
+
+ inw(dev->iobase + 0); /* make a dummy read */
+ inb(dev->iobase + APCI3120_RESET_FIFO); /* flush FIFO */
+ inw(dev->iobase + APCI3120_RD_STATUS); /* flush A/D status register */
+
+ /* code to reset the RAM sequence */
+ for (i = 0; i < 16; i++) {
+ us_TmpValue = i << 8; /* select the location */
+ outw(us_TmpValue, dev->iobase + APCI3120_SEQ_RAM_ADDRESS);
+ }
+ return 0;
+}
+
+static int i_APCI3120_ExttrigEnable(struct comedi_device *dev)
+{
+ struct addi_private *devpriv = dev->private;
+
+ devpriv->us_OutputRegister |= APCI3120_ENABLE_EXT_TRIGGER;
+ outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+ return 0;
+}
-int i_APCI3120_StopCyclicAcquisition(struct comedi_device *dev, struct comedi_subdevice *s)
+static int i_APCI3120_ExttrigDisable(struct comedi_device *dev)
+{
+ struct addi_private *devpriv = dev->private;
+
+ devpriv->us_OutputRegister &= ~APCI3120_ENABLE_EXT_TRIGGER;
+ outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+ return 0;
+}
+
+static int i_APCI3120_StopCyclicAcquisition(struct comedi_device *dev,
+ struct comedi_subdevice *s)
{
struct addi_private *devpriv = dev->private;
return 0;
}
-/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_CommandTestAnalogInput(struct comedi_device *dev|
-| ,struct comedi_subdevice *s,struct comedi_cmd *cmd) |
-| |
-+----------------------------------------------------------------------------+
-| Task : Test validity for a command for cyclic anlog input |
-| acquisition |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_cmd *cmd |
-+----------------------------------------------------------------------------+
-| Return Value :0 |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_CommandTestAnalogInput(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_cmd *cmd)
+static int i_APCI3120_CommandTestAnalogInput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_cmd *cmd)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
}
/*
-+----------------------------------------------------------------------------+
-| Function name : int i_APCI3120_CommandAnalogInput(struct comedi_device *dev, |
-| struct comedi_subdevice *s) |
-| |
-+----------------------------------------------------------------------------+
-| Task : Does asynchronous acquisition |
-| Determines the mode 1 or 2. |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_CommandAnalogInput(struct comedi_device *dev, struct comedi_subdevice *s)
-{
- struct addi_private *devpriv = dev->private;
- struct comedi_cmd *cmd = &s->async->cmd;
-
- /* loading private structure with cmd structure inputs */
- devpriv->ui_AiFlags = cmd->flags;
- devpriv->ui_AiNbrofChannels = cmd->chanlist_len;
- devpriv->ui_AiScanLength = cmd->scan_end_arg;
- devpriv->pui_AiChannelList = cmd->chanlist;
-
- /* UPDATE-0.7.57->0.7.68devpriv->AiData=s->async->data; */
- devpriv->AiData = s->async->prealloc_buf;
- /* UPDATE-0.7.57->0.7.68devpriv->ui_AiDataLength=s->async->data_len; */
- devpriv->ui_AiDataLength = s->async->prealloc_bufsz;
-
- if (cmd->stop_src == TRIG_COUNT)
- devpriv->ui_AiNbrofScans = cmd->stop_arg;
- else
- devpriv->ui_AiNbrofScans = 0;
-
- devpriv->ui_AiTimer0 = 0; /* variables changed to timer0,timer1 */
- devpriv->ui_AiTimer1 = 0;
- if ((devpriv->ui_AiNbrofScans == 0) || (devpriv->ui_AiNbrofScans == -1))
- devpriv->b_AiContinuous = 1; /* user want neverending analog acquisition */
- /* stopped using cancel */
-
- if (cmd->start_src == TRIG_EXT)
- devpriv->b_ExttrigEnable = APCI3120_ENABLE;
- else
- devpriv->b_ExttrigEnable = APCI3120_DISABLE;
-
- if (cmd->scan_begin_src == TRIG_FOLLOW) {
- /* mode 1 or 3 */
- if (cmd->convert_src == TRIG_TIMER) {
- /* mode 1 */
-
- devpriv->ui_AiTimer0 = cmd->convert_arg; /* timer constant in nano seconds */
- /* return this_board->ai_cmd(1,dev,s); */
- return i_APCI3120_CyclicAnalogInput(1, dev, s);
- }
-
- }
- if ((cmd->scan_begin_src == TRIG_TIMER)
- && (cmd->convert_src == TRIG_TIMER)) {
- /* mode 2 */
- devpriv->ui_AiTimer1 = cmd->scan_begin_arg;
- devpriv->ui_AiTimer0 = cmd->convert_arg; /* variable changed timer2 to timer0 */
- /* return this_board->ai_cmd(2,dev,s); */
- return i_APCI3120_CyclicAnalogInput(2, dev, s);
- }
- return -1;
-}
-
-/*
-+----------------------------------------------------------------------------+
-| Function name : int i_APCI3120_CyclicAnalogInput(int mode, |
-| struct comedi_device * dev,struct comedi_subdevice * s) |
-+----------------------------------------------------------------------------+
-| Task : This is used for analog input cyclic acquisition |
-| Performs the command operations. |
-| If DMA is configured does DMA initialization |
-| otherwise does the acquisition with EOS interrupt. |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device *dev,
- struct comedi_subdevice *s)
+ * This is used for analog input cyclic acquisition.
+ * Performs the command operations.
+ * If DMA is configured does DMA initialization otherwise does the
+ * acquisition with EOS interrupt.
+ */
+static int i_APCI3120_CyclicAnalogInput(int mode,
+ struct comedi_device *dev,
+ struct comedi_subdevice *s)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
}
/*
-+----------------------------------------------------------------------------+
-| intERNAL FUNCTIONS |
-+----------------------------------------------------------------------------+
-*/
-
-/*
-+----------------------------------------------------------------------------+
-| Function name : int i_APCI3120_Reset(struct comedi_device *dev) |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Task : Hardware reset function |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_Reset(struct comedi_device *dev)
+ * Does asynchronous acquisition.
+ * Determines the mode 1 or 2.
+ */
+static int i_APCI3120_CommandAnalogInput(struct comedi_device *dev,
+ struct comedi_subdevice *s)
{
struct addi_private *devpriv = dev->private;
- unsigned int i;
- unsigned short us_TmpValue;
+ struct comedi_cmd *cmd = &s->async->cmd;
- devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
- devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
- devpriv->b_InterruptMode = APCI3120_EOC_MODE;
- devpriv->ui_EocEosConversionTime = 0; /* set eoc eos conv time to 0 */
- devpriv->b_OutputMemoryStatus = 0;
+ /* loading private structure with cmd structure inputs */
+ devpriv->ui_AiFlags = cmd->flags;
+ devpriv->ui_AiNbrofChannels = cmd->chanlist_len;
+ devpriv->ui_AiScanLength = cmd->scan_end_arg;
+ devpriv->pui_AiChannelList = cmd->chanlist;
- /* variables used in timer subdevice */
- devpriv->b_Timer2Mode = 0;
- devpriv->b_Timer2Interrupt = 0;
- devpriv->b_ExttrigEnable = 0; /* Disable ext trigger */
+ /* UPDATE-0.7.57->0.7.68devpriv->AiData=s->async->data; */
+ devpriv->AiData = s->async->prealloc_buf;
+ /* UPDATE-0.7.57->0.7.68devpriv->ui_AiDataLength=s->async->data_len; */
+ devpriv->ui_AiDataLength = s->async->prealloc_bufsz;
- /* Disable all interrupts, watchdog for the anolog output */
- devpriv->b_ModeSelectRegister = 0;
- outb(devpriv->b_ModeSelectRegister,
- dev->iobase + APCI3120_WRITE_MODE_SELECT);
+ if (cmd->stop_src == TRIG_COUNT)
+ devpriv->ui_AiNbrofScans = cmd->stop_arg;
+ else
+ devpriv->ui_AiNbrofScans = 0;
- /* Disables all counters, ext trigger and clears PA, PR */
- devpriv->us_OutputRegister = 0;
- outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
-
-/*
- * Code to set the all anolog o/p channel to 0v 8191 is decimal
- * value for zero(0 v)volt in bipolar mode(default)
- */
- outw(8191 | APCI3120_ANALOG_OP_CHANNEL_1, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 1 */
- outw(8191 | APCI3120_ANALOG_OP_CHANNEL_2, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 2 */
- outw(8191 | APCI3120_ANALOG_OP_CHANNEL_3, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 3 */
- outw(8191 | APCI3120_ANALOG_OP_CHANNEL_4, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 4 */
-
- outw(8191 | APCI3120_ANALOG_OP_CHANNEL_5, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 5 */
- outw(8191 | APCI3120_ANALOG_OP_CHANNEL_6, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 6 */
- outw(8191 | APCI3120_ANALOG_OP_CHANNEL_7, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 7 */
- outw(8191 | APCI3120_ANALOG_OP_CHANNEL_8, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 8 */
+ devpriv->ui_AiTimer0 = 0; /* variables changed to timer0,timer1 */
+ devpriv->ui_AiTimer1 = 0;
+ if ((devpriv->ui_AiNbrofScans == 0) || (devpriv->ui_AiNbrofScans == -1))
+ devpriv->b_AiContinuous = 1; /* user want neverending analog acquisition */
+ /* stopped using cancel */
- /* Reset digital output to L0W */
+ if (cmd->start_src == TRIG_EXT)
+ devpriv->b_ExttrigEnable = APCI3120_ENABLE;
+ else
+ devpriv->b_ExttrigEnable = APCI3120_DISABLE;
-/* ES05 outb(0x0,dev->iobase+APCI3120_DIGITAL_OUTPUT); */
- udelay(10);
+ if (cmd->scan_begin_src == TRIG_FOLLOW) {
+ /* mode 1 or 3 */
+ if (cmd->convert_src == TRIG_TIMER) {
+ /* mode 1 */
- inw(dev->iobase + 0); /* make a dummy read */
- inb(dev->iobase + APCI3120_RESET_FIFO); /* flush FIFO */
- inw(dev->iobase + APCI3120_RD_STATUS); /* flush A/D status register */
+ devpriv->ui_AiTimer0 = cmd->convert_arg; /* timer constant in nano seconds */
+ /* return this_board->ai_cmd(1,dev,s); */
+ return i_APCI3120_CyclicAnalogInput(1, dev, s);
+ }
- /* code to reset the RAM sequence */
- for (i = 0; i < 16; i++) {
- us_TmpValue = i << 8; /* select the location */
- outw(us_TmpValue, dev->iobase + APCI3120_SEQ_RAM_ADDRESS);
}
- return 0;
+ if ((cmd->scan_begin_src == TRIG_TIMER)
+ && (cmd->convert_src == TRIG_TIMER)) {
+ /* mode 2 */
+ devpriv->ui_AiTimer1 = cmd->scan_begin_arg;
+ devpriv->ui_AiTimer0 = cmd->convert_arg; /* variable changed timer2 to timer0 */
+ /* return this_board->ai_cmd(2,dev,s); */
+ return i_APCI3120_CyclicAnalogInput(2, dev, s);
+ }
+ return -1;
}
/*
-+----------------------------------------------------------------------------+
-| Function name : int i_APCI3120_SetupChannelList(struct comedi_device * dev, |
-| struct comedi_subdevice * s, int n_chan,unsigned int *chanlist|
-| ,char check) |
-| |
-+----------------------------------------------------------------------------+
-| Task :This function will first check channel list is ok or not|
-|and then initialize the sequence RAM with the polarity, Gain,Channel number |
-|If the last argument of function "check"is 1 then it only checks the channel|
-|list is ok or not. |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device * dev |
-| struct comedi_subdevice * s |
-| int n_chan |
- unsigned int *chanlist
- char check
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
+ * This function copies the data from DMA buffer to the Comedi buffer.
+ */
+static void v_APCI3120_InterruptDmaMoveBlock16bit(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ short *dma_buffer,
+ unsigned int num_samples)
+{
+ struct addi_private *devpriv = dev->private;
+
+ devpriv->ui_AiActualScan +=
+ (s->async->cur_chan + num_samples) / devpriv->ui_AiScanLength;
+ s->async->cur_chan += num_samples;
+ s->async->cur_chan %= devpriv->ui_AiScanLength;
+
+ cfc_write_array_to_buffer(s, dma_buffer, num_samples * sizeof(short));
+}
-int i_APCI3120_SetupChannelList(struct comedi_device *dev, struct comedi_subdevice *s,
- int n_chan, unsigned int *chanlist, char check)
+/*
+ * This is a handler for the DMA interrupt.
+ * This function copies the data to Comedi Buffer.
+ * For continuous DMA it reinitializes the DMA operation.
+ * For single mode DMA it stop the acquisition.
+ */
+static void v_APCI3120_InterruptDma(int irq, void *d)
{
+ struct comedi_device *dev = d;
struct addi_private *devpriv = dev->private;
- unsigned int i; /* , differencial=0, bipolar=0; */
- unsigned int gain;
- unsigned short us_TmpValue;
+ struct comedi_subdevice *s = &dev->subdevices[0];
+ unsigned int next_dma_buf, samplesinbuf;
+ unsigned long low_word, high_word, var;
+ unsigned int ui_Tmp;
- /* correct channel and range number check itself comedi/range.c */
- if (n_chan < 1) {
- if (!check)
- comedi_error(dev, "range/channel list is empty!");
- return 0;
+ samplesinbuf =
+ devpriv->ui_DmaBufferUsesize[devpriv->ui_DmaActualBuffer] -
+ inl(devpriv->i_IobaseAmcc + AMCC_OP_REG_MWTC);
+
+ if (samplesinbuf <
+ devpriv->ui_DmaBufferUsesize[devpriv->ui_DmaActualBuffer]) {
+ comedi_error(dev, "Interrupted DMA transfer!");
}
- /* All is ok, so we can setup channel/range list */
- if (check)
- return 1;
+ if (samplesinbuf & 1) {
+ comedi_error(dev, "Odd count of bytes in DMA ring!");
+ i_APCI3120_StopCyclicAcquisition(dev, s);
+ devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
- /* Code to set the PA and PR...Here it set PA to 0.. */
- devpriv->us_OutputRegister =
- devpriv->us_OutputRegister & APCI3120_CLEAR_PA_PR;
- devpriv->us_OutputRegister = ((n_chan - 1) & 0xf) << 8;
- outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+ return;
+ }
+ samplesinbuf = samplesinbuf >> 1; /* number of received samples */
+ if (devpriv->b_DmaDoubleBuffer) {
+ /* switch DMA buffers if is used double buffering */
+ next_dma_buf = 1 - devpriv->ui_DmaActualBuffer;
- for (i = 0; i < n_chan; i++) {
- /* store range list to card */
- us_TmpValue = CR_CHAN(chanlist[i]); /* get channel number; */
+ ui_Tmp = AGCSTS_TC_ENABLE | AGCSTS_RESET_A2P_FIFO;
+ outl(ui_Tmp, devpriv->i_IobaseAddon + AMCC_OP_REG_AGCSTS);
- if (CR_RANGE(chanlist[i]) < APCI3120_BIPOLAR_RANGES)
- us_TmpValue &= ((~APCI3120_UNIPOLAR) & 0xff); /* set bipolar */
- else
- us_TmpValue |= APCI3120_UNIPOLAR; /* enable unipolar...... */
+ /* changed since 16 bit interface for add on */
+ outw(APCI3120_ADD_ON_AGCSTS_LOW, devpriv->i_IobaseAddon + 0);
+ outw(APCI3120_ENABLE_TRANSFER_ADD_ON_LOW,
+ devpriv->i_IobaseAddon + 2);
+ outw(APCI3120_ADD_ON_AGCSTS_HIGH, devpriv->i_IobaseAddon + 0);
+ outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH, devpriv->i_IobaseAddon + 2); /* 0x1000 is out putted in windows driver */
- gain = CR_RANGE(chanlist[i]); /* get gain number */
- us_TmpValue |= ((gain & 0x03) << 4); /* <<4 for G0 and G1 bit in RAM */
- us_TmpValue |= i << 8; /* To select the RAM LOCATION.... */
- outw(us_TmpValue, dev->iobase + APCI3120_SEQ_RAM_ADDRESS);
+ var = devpriv->ul_DmaBufferHw[next_dma_buf];
+ low_word = var & 0xffff;
+ var = devpriv->ul_DmaBufferHw[next_dma_buf];
+ high_word = var / 65536;
+
+ /* DMA Start Address Low */
+ outw(APCI3120_ADD_ON_MWAR_LOW, devpriv->i_IobaseAddon + 0);
+ outw(low_word, devpriv->i_IobaseAddon + 2);
+
+ /* DMA Start Address High */
+ outw(APCI3120_ADD_ON_MWAR_HIGH, devpriv->i_IobaseAddon + 0);
+ outw(high_word, devpriv->i_IobaseAddon + 2);
+
+ var = devpriv->ui_DmaBufferUsesize[next_dma_buf];
+ low_word = var & 0xffff;
+ var = devpriv->ui_DmaBufferUsesize[next_dma_buf];
+ high_word = var / 65536;
+
+ /* Nbr of acquisition LOW */
+ outw(APCI3120_ADD_ON_MWTC_LOW, devpriv->i_IobaseAddon + 0);
+ outw(low_word, devpriv->i_IobaseAddon + 2);
+
+ /* Nbr of acquisition HIGH */
+ outw(APCI3120_ADD_ON_MWTC_HIGH, devpriv->i_IobaseAddon + 0);
+ outw(high_word, devpriv->i_IobaseAddon + 2);
+
+/*
+ * To configure A2P FIFO
+ * ENABLE A2P FIFO WRITE AND ENABLE AMWEN
+ * AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
+ */
+ outw(3, devpriv->i_IobaseAddon + 4);
+ /* initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI) */
+ outl((APCI3120_FIFO_ADVANCE_ON_BYTE_2 |
+ APCI3120_ENABLE_WRITE_TC_INT),
+ devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR);
- printk("\n Gain = %i",
- (((unsigned char)CR_RANGE(chanlist[i]) & 0x03) << 2));
- printk("\n Channel = %i", CR_CHAN(chanlist[i]));
- printk("\n Polarity = %i", us_TmpValue & APCI3120_UNIPOLAR);
}
- return 1; /* we can serve this with scan logic */
-}
+ if (samplesinbuf) {
+ v_APCI3120_InterruptDmaMoveBlock16bit(dev, s,
+ devpriv->ul_DmaBufferVirtual[devpriv->
+ ui_DmaActualBuffer], samplesinbuf);
+
+ if (!(devpriv->ui_AiFlags & TRIG_WAKE_EOS)) {
+ s->async->events |= COMEDI_CB_EOS;
+ comedi_event(dev, s);
+ }
+ }
+ if (!devpriv->b_AiContinuous)
+ if (devpriv->ui_AiActualScan >= devpriv->ui_AiNbrofScans) {
+ /* all data sampled */
+ i_APCI3120_StopCyclicAcquisition(dev, s);
+ devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
+ s->async->events |= COMEDI_CB_EOA;
+ comedi_event(dev, s);
+ return;
+ }
+
+ if (devpriv->b_DmaDoubleBuffer) { /* switch dma buffers */
+ devpriv->ui_DmaActualBuffer = 1 - devpriv->ui_DmaActualBuffer;
+ } else {
+/*
+ * restart DMA if is not used double buffering
+ * ADDED REINITIALISE THE DMA
+ */
+ ui_Tmp = AGCSTS_TC_ENABLE | AGCSTS_RESET_A2P_FIFO;
+ outl(ui_Tmp, devpriv->i_IobaseAddon + AMCC_OP_REG_AGCSTS);
+ /* changed since 16 bit interface for add on */
+ outw(APCI3120_ADD_ON_AGCSTS_LOW, devpriv->i_IobaseAddon + 0);
+ outw(APCI3120_ENABLE_TRANSFER_ADD_ON_LOW,
+ devpriv->i_IobaseAddon + 2);
+ outw(APCI3120_ADD_ON_AGCSTS_HIGH, devpriv->i_IobaseAddon + 0);
+ outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH, devpriv->i_IobaseAddon + 2); /* */
/*
-+----------------------------------------------------------------------------+
-| Function name : int i_APCI3120_ExttrigEnable(struct comedi_device * dev) |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Task : Enable the external trigger |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device * dev |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : 0 |
-| |
-+----------------------------------------------------------------------------+
-*/
+ * A2P FIFO MANAGEMENT
+ * A2P fifo reset & transfer control enable
+ */
+ outl(APCI3120_A2P_FIFO_MANAGEMENT,
+ devpriv->i_IobaseAmcc + AMCC_OP_REG_MCSR);
-int i_APCI3120_ExttrigEnable(struct comedi_device *dev)
-{
- struct addi_private *devpriv = dev->private;
+ var = devpriv->ul_DmaBufferHw[0];
+ low_word = var & 0xffff;
+ var = devpriv->ul_DmaBufferHw[0];
+ high_word = var / 65536;
+ outw(APCI3120_ADD_ON_MWAR_LOW, devpriv->i_IobaseAddon + 0);
+ outw(low_word, devpriv->i_IobaseAddon + 2);
+ outw(APCI3120_ADD_ON_MWAR_HIGH, devpriv->i_IobaseAddon + 0);
+ outw(high_word, devpriv->i_IobaseAddon + 2);
- devpriv->us_OutputRegister |= APCI3120_ENABLE_EXT_TRIGGER;
- outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
- return 0;
-}
+ var = devpriv->ui_DmaBufferUsesize[0];
+ low_word = var & 0xffff; /* changed */
+ var = devpriv->ui_DmaBufferUsesize[0];
+ high_word = var / 65536;
+ outw(APCI3120_ADD_ON_MWTC_LOW, devpriv->i_IobaseAddon + 0);
+ outw(low_word, devpriv->i_IobaseAddon + 2);
+ outw(APCI3120_ADD_ON_MWTC_HIGH, devpriv->i_IobaseAddon + 0);
+ outw(high_word, devpriv->i_IobaseAddon + 2);
/*
-+----------------------------------------------------------------------------+
-| Function name : int i_APCI3120_ExttrigDisable(struct comedi_device * dev) |
-| |
-+----------------------------------------------------------------------------+
-| Task : Disables the external trigger |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device * dev |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : 0 |
-| |
-+----------------------------------------------------------------------------+
-*/
+ * To configure A2P FIFO
+ * ENABLE A2P FIFO WRITE AND ENABLE AMWEN
+ * AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
+ */
+ outw(3, devpriv->i_IobaseAddon + 4);
+ /* initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI) */
+ outl((APCI3120_FIFO_ADVANCE_ON_BYTE_2 |
+ APCI3120_ENABLE_WRITE_TC_INT),
+ devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR);
+ }
+}
-int i_APCI3120_ExttrigDisable(struct comedi_device *dev)
+/*
+ * This function handles EOS interrupt.
+ * This function copies the acquired data(from FIFO) to Comedi buffer.
+ */
+static int i_APCI3120_InterruptHandleEos(struct comedi_device *dev)
{
struct addi_private *devpriv = dev->private;
+ int n_chan, i;
+ struct comedi_subdevice *s = &dev->subdevices[0];
+ int err = 1;
- devpriv->us_OutputRegister &= ~APCI3120_ENABLE_EXT_TRIGGER;
- outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
- return 0;
-}
+ n_chan = devpriv->ui_AiNbrofChannels;
-/*
-+----------------------------------------------------------------------------+
-| intERRUPT FUNCTIONS |
-+----------------------------------------------------------------------------+
-*/
+ s->async->events = 0;
-/*
-+----------------------------------------------------------------------------+
-| Function name : void v_APCI3120_Interrupt(int irq, void *d) |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Task :Interrupt handler for APCI3120 |
-| When interrupt occurs this gets called. |
-| First it finds which interrupt has been generated and |
-| handles corresponding interrupt |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : int irq |
-| void *d |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : void |
-| |
-+----------------------------------------------------------------------------+
-*/
+ for (i = 0; i < n_chan; i++)
+ err &= comedi_buf_put(s->async, inw(dev->iobase + 0));
+
+ s->async->events |= COMEDI_CB_EOS;
+
+ if (err == 0)
+ s->async->events |= COMEDI_CB_OVERFLOW;
+
+ comedi_event(dev, s);
+
+ return 0;
+}
-void v_APCI3120_Interrupt(int irq, void *d)
+static void v_APCI3120_Interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
struct addi_private *devpriv = dev->private;
} else {
devpriv->b_ModeSelectRegister =
devpriv->
- b_ModeSelectRegister & APCI3120_DISABLE_EOS_INT;
- outb(devpriv->b_ModeSelectRegister,
- dev->iobase + APCI3120_WRITE_MODE_SELECT);
- devpriv->b_EocEosInterrupt = APCI3120_DISABLE; /* Default settings */
- devpriv->b_InterruptMode = APCI3120_EOC_MODE;
- }
-
- }
- /* Timer2 interrupt */
- if (int_daq & 0x1) {
-
- switch (devpriv->b_Timer2Mode) {
- case APCI3120_COUNTER:
-
- devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
- devpriv->b_ModeSelectRegister =
- devpriv->
- b_ModeSelectRegister & APCI3120_DISABLE_EOS_INT;
- outb(devpriv->b_ModeSelectRegister,
- dev->iobase + APCI3120_WRITE_MODE_SELECT);
-
- /* stop timer 2 */
- devpriv->us_OutputRegister =
- devpriv->
- us_OutputRegister & APCI3120_DISABLE_ALL_TIMER;
- outw(devpriv->us_OutputRegister,
- dev->iobase + APCI3120_WR_ADDRESS);
-
- /* stop timer 0 and timer 1 */
- i_APCI3120_StopCyclicAcquisition(dev, s);
- devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
-
- /* UPDATE-0.7.57->0.7.68comedi_done(dev,s); */
- s->async->events |= COMEDI_CB_EOA;
- comedi_event(dev, s);
-
- break;
-
- case APCI3120_TIMER:
-
- /* Send a signal to from kernel to user space */
- send_sig(SIGIO, devpriv->tsk_Current, 0);
- break;
-
- case APCI3120_WATCHDOG:
-
- /* Send a signal to from kernel to user space */
- send_sig(SIGIO, devpriv->tsk_Current, 0);
- break;
-
- default:
-
- /* disable Timer Interrupt */
-
- devpriv->b_ModeSelectRegister =
- devpriv->
- b_ModeSelectRegister &
- APCI3120_DISABLE_TIMER_INT;
-
- outb(devpriv->b_ModeSelectRegister,
- dev->iobase + APCI3120_WRITE_MODE_SELECT);
-
- }
-
- b_DummyRead = inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
-
- }
-
- if ((int_daq & 0x4) && (devpriv->b_InterruptMode == APCI3120_DMA_MODE)) {
- if (devpriv->b_AiCyclicAcquisition == APCI3120_ENABLE) {
-
- /****************************/
- /* Clear Timer Write TC int */
- /****************************/
-
- outl(APCI3120_CLEAR_WRITE_TC_INT,
- devpriv->i_IobaseAmcc +
- APCI3120_AMCC_OP_REG_INTCSR);
-
- /************************************/
- /* Clears the timer status register */
- /************************************/
- inw(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
- v_APCI3120_InterruptDma(irq, d); /* do some data transfer */
- } else {
- /* Stops the Timer */
- outw(devpriv->
- us_OutputRegister & APCI3120_DISABLE_TIMER0 &
- APCI3120_DISABLE_TIMER1,
- dev->iobase + APCI3120_WR_ADDRESS);
- }
-
- }
-
- return;
-}
-
-/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InterruptHandleEos(struct comedi_device *dev) |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Task : This function handles EOS interrupt. |
-| This function copies the acquired data(from FIFO) |
-| to Comedi buffer. |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : 0 |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-
-int i_APCI3120_InterruptHandleEos(struct comedi_device *dev)
-{
- struct addi_private *devpriv = dev->private;
- int n_chan, i;
- struct comedi_subdevice *s = &dev->subdevices[0];
- int err = 1;
-
- n_chan = devpriv->ui_AiNbrofChannels;
-
- s->async->events = 0;
-
- for (i = 0; i < n_chan; i++)
- err &= comedi_buf_put(s->async, inw(dev->iobase + 0));
-
- s->async->events |= COMEDI_CB_EOS;
-
- if (err == 0)
- s->async->events |= COMEDI_CB_OVERFLOW;
-
- comedi_event(dev, s);
-
- return 0;
-}
-
-/*
-+----------------------------------------------------------------------------+
-| Function name : void v_APCI3120_InterruptDma(int irq, void *d) |
-| |
-+----------------------------------------------------------------------------+
-| Task : This is a handler for the DMA interrupt |
-| This function copies the data to Comedi Buffer. |
-| For continuous DMA it reinitializes the DMA operation. |
-| For single mode DMA it stop the acquisition. |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : int irq, void *d |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : void |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-void v_APCI3120_InterruptDma(int irq, void *d)
-{
- struct comedi_device *dev = d;
- struct addi_private *devpriv = dev->private;
- struct comedi_subdevice *s = &dev->subdevices[0];
- unsigned int next_dma_buf, samplesinbuf;
- unsigned long low_word, high_word, var;
- unsigned int ui_Tmp;
-
- samplesinbuf =
- devpriv->ui_DmaBufferUsesize[devpriv->ui_DmaActualBuffer] -
- inl(devpriv->i_IobaseAmcc + AMCC_OP_REG_MWTC);
-
- if (samplesinbuf <
- devpriv->ui_DmaBufferUsesize[devpriv->ui_DmaActualBuffer]) {
- comedi_error(dev, "Interrupted DMA transfer!");
- }
- if (samplesinbuf & 1) {
- comedi_error(dev, "Odd count of bytes in DMA ring!");
- i_APCI3120_StopCyclicAcquisition(dev, s);
- devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
-
- return;
- }
- samplesinbuf = samplesinbuf >> 1; /* number of received samples */
- if (devpriv->b_DmaDoubleBuffer) {
- /* switch DMA buffers if is used double buffering */
- next_dma_buf = 1 - devpriv->ui_DmaActualBuffer;
-
- ui_Tmp = AGCSTS_TC_ENABLE | AGCSTS_RESET_A2P_FIFO;
- outl(ui_Tmp, devpriv->i_IobaseAddon + AMCC_OP_REG_AGCSTS);
-
- /* changed since 16 bit interface for add on */
- outw(APCI3120_ADD_ON_AGCSTS_LOW, devpriv->i_IobaseAddon + 0);
- outw(APCI3120_ENABLE_TRANSFER_ADD_ON_LOW,
- devpriv->i_IobaseAddon + 2);
- outw(APCI3120_ADD_ON_AGCSTS_HIGH, devpriv->i_IobaseAddon + 0);
- outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH, devpriv->i_IobaseAddon + 2); /* 0x1000 is out putted in windows driver */
-
- var = devpriv->ul_DmaBufferHw[next_dma_buf];
- low_word = var & 0xffff;
- var = devpriv->ul_DmaBufferHw[next_dma_buf];
- high_word = var / 65536;
-
- /* DMA Start Address Low */
- outw(APCI3120_ADD_ON_MWAR_LOW, devpriv->i_IobaseAddon + 0);
- outw(low_word, devpriv->i_IobaseAddon + 2);
-
- /* DMA Start Address High */
- outw(APCI3120_ADD_ON_MWAR_HIGH, devpriv->i_IobaseAddon + 0);
- outw(high_word, devpriv->i_IobaseAddon + 2);
-
- var = devpriv->ui_DmaBufferUsesize[next_dma_buf];
- low_word = var & 0xffff;
- var = devpriv->ui_DmaBufferUsesize[next_dma_buf];
- high_word = var / 65536;
-
- /* Nbr of acquisition LOW */
- outw(APCI3120_ADD_ON_MWTC_LOW, devpriv->i_IobaseAddon + 0);
- outw(low_word, devpriv->i_IobaseAddon + 2);
-
- /* Nbr of acquisition HIGH */
- outw(APCI3120_ADD_ON_MWTC_HIGH, devpriv->i_IobaseAddon + 0);
- outw(high_word, devpriv->i_IobaseAddon + 2);
-
-/*
- * To configure A2P FIFO
- * ENABLE A2P FIFO WRITE AND ENABLE AMWEN
- * AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
- */
- outw(3, devpriv->i_IobaseAddon + 4);
- /* initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI) */
- outl((APCI3120_FIFO_ADVANCE_ON_BYTE_2 |
- APCI3120_ENABLE_WRITE_TC_INT),
- devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR);
-
- }
- if (samplesinbuf) {
- v_APCI3120_InterruptDmaMoveBlock16bit(dev, s,
- devpriv->ul_DmaBufferVirtual[devpriv->
- ui_DmaActualBuffer], samplesinbuf);
-
- if (!(devpriv->ui_AiFlags & TRIG_WAKE_EOS)) {
- s->async->events |= COMEDI_CB_EOS;
- comedi_event(dev, s);
+ b_ModeSelectRegister & APCI3120_DISABLE_EOS_INT;
+ outb(devpriv->b_ModeSelectRegister,
+ dev->iobase + APCI3120_WRITE_MODE_SELECT);
+ devpriv->b_EocEosInterrupt = APCI3120_DISABLE; /* Default settings */
+ devpriv->b_InterruptMode = APCI3120_EOC_MODE;
}
+
}
- if (!devpriv->b_AiContinuous)
- if (devpriv->ui_AiActualScan >= devpriv->ui_AiNbrofScans) {
- /* all data sampled */
+ /* Timer2 interrupt */
+ if (int_daq & 0x1) {
+
+ switch (devpriv->b_Timer2Mode) {
+ case APCI3120_COUNTER:
+
+ devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
+ devpriv->b_ModeSelectRegister =
+ devpriv->
+ b_ModeSelectRegister & APCI3120_DISABLE_EOS_INT;
+ outb(devpriv->b_ModeSelectRegister,
+ dev->iobase + APCI3120_WRITE_MODE_SELECT);
+
+ /* stop timer 2 */
+ devpriv->us_OutputRegister =
+ devpriv->
+ us_OutputRegister & APCI3120_DISABLE_ALL_TIMER;
+ outw(devpriv->us_OutputRegister,
+ dev->iobase + APCI3120_WR_ADDRESS);
+
+ /* stop timer 0 and timer 1 */
i_APCI3120_StopCyclicAcquisition(dev, s);
devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
+
+ /* UPDATE-0.7.57->0.7.68comedi_done(dev,s); */
s->async->events |= COMEDI_CB_EOA;
comedi_event(dev, s);
- return;
- }
- if (devpriv->b_DmaDoubleBuffer) { /* switch dma buffers */
- devpriv->ui_DmaActualBuffer = 1 - devpriv->ui_DmaActualBuffer;
- } else {
-/*
- * restart DMA if is not used double buffering
- * ADDED REINITIALISE THE DMA
- */
- ui_Tmp = AGCSTS_TC_ENABLE | AGCSTS_RESET_A2P_FIFO;
- outl(ui_Tmp, devpriv->i_IobaseAddon + AMCC_OP_REG_AGCSTS);
+ break;
- /* changed since 16 bit interface for add on */
- outw(APCI3120_ADD_ON_AGCSTS_LOW, devpriv->i_IobaseAddon + 0);
- outw(APCI3120_ENABLE_TRANSFER_ADD_ON_LOW,
- devpriv->i_IobaseAddon + 2);
- outw(APCI3120_ADD_ON_AGCSTS_HIGH, devpriv->i_IobaseAddon + 0);
- outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH, devpriv->i_IobaseAddon + 2); /* */
-/*
- * A2P FIFO MANAGEMENT
- * A2P fifo reset & transfer control enable
- */
- outl(APCI3120_A2P_FIFO_MANAGEMENT,
- devpriv->i_IobaseAmcc + AMCC_OP_REG_MCSR);
+ case APCI3120_TIMER:
- var = devpriv->ul_DmaBufferHw[0];
- low_word = var & 0xffff;
- var = devpriv->ul_DmaBufferHw[0];
- high_word = var / 65536;
- outw(APCI3120_ADD_ON_MWAR_LOW, devpriv->i_IobaseAddon + 0);
- outw(low_word, devpriv->i_IobaseAddon + 2);
- outw(APCI3120_ADD_ON_MWAR_HIGH, devpriv->i_IobaseAddon + 0);
- outw(high_word, devpriv->i_IobaseAddon + 2);
+ /* Send a signal to from kernel to user space */
+ send_sig(SIGIO, devpriv->tsk_Current, 0);
+ break;
- var = devpriv->ui_DmaBufferUsesize[0];
- low_word = var & 0xffff; /* changed */
- var = devpriv->ui_DmaBufferUsesize[0];
- high_word = var / 65536;
- outw(APCI3120_ADD_ON_MWTC_LOW, devpriv->i_IobaseAddon + 0);
- outw(low_word, devpriv->i_IobaseAddon + 2);
- outw(APCI3120_ADD_ON_MWTC_HIGH, devpriv->i_IobaseAddon + 0);
- outw(high_word, devpriv->i_IobaseAddon + 2);
+ case APCI3120_WATCHDOG:
+
+ /* Send a signal to from kernel to user space */
+ send_sig(SIGIO, devpriv->tsk_Current, 0);
+ break;
+
+ default:
+
+ /* disable Timer Interrupt */
+
+ devpriv->b_ModeSelectRegister =
+ devpriv->
+ b_ModeSelectRegister &
+ APCI3120_DISABLE_TIMER_INT;
+
+ outb(devpriv->b_ModeSelectRegister,
+ dev->iobase + APCI3120_WRITE_MODE_SELECT);
+
+ }
+
+ b_DummyRead = inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
-/*
- * To configure A2P FIFO
- * ENABLE A2P FIFO WRITE AND ENABLE AMWEN
- * AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
- */
- outw(3, devpriv->i_IobaseAddon + 4);
- /* initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI) */
- outl((APCI3120_FIFO_ADVANCE_ON_BYTE_2 |
- APCI3120_ENABLE_WRITE_TC_INT),
- devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR);
}
-}
-/*
-+----------------------------------------------------------------------------+
-| Function name :void v_APCI3120_InterruptDmaMoveBlock16bit(comedi_device|
-|*dev,struct comedi_subdevice *s,short *dma,short *data,int n) |
-| |
-+----------------------------------------------------------------------------+
-| Task : This function copies the data from DMA buffer to the |
-| Comedi buffer |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| short *dma |
-| short *data,int n |
-+----------------------------------------------------------------------------+
-| Return Value : void |
-| |
-+----------------------------------------------------------------------------+
-*/
+ if ((int_daq & 0x4) && (devpriv->b_InterruptMode == APCI3120_DMA_MODE)) {
+ if (devpriv->b_AiCyclicAcquisition == APCI3120_ENABLE) {
-void v_APCI3120_InterruptDmaMoveBlock16bit(struct comedi_device *dev,
- struct comedi_subdevice *s, short *dma_buffer, unsigned int num_samples)
-{
- struct addi_private *devpriv = dev->private;
+ /****************************/
+ /* Clear Timer Write TC int */
+ /****************************/
- devpriv->ui_AiActualScan +=
- (s->async->cur_chan + num_samples) / devpriv->ui_AiScanLength;
- s->async->cur_chan += num_samples;
- s->async->cur_chan %= devpriv->ui_AiScanLength;
+ outl(APCI3120_CLEAR_WRITE_TC_INT,
+ devpriv->i_IobaseAmcc +
+ APCI3120_AMCC_OP_REG_INTCSR);
- cfc_write_array_to_buffer(s, dma_buffer, num_samples * sizeof(short));
-}
+ /************************************/
+ /* Clears the timer status register */
+ /************************************/
+ inw(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
+ v_APCI3120_InterruptDma(irq, d); /* do some data transfer */
+ } else {
+ /* Stops the Timer */
+ outw(devpriv->
+ us_OutputRegister & APCI3120_DISABLE_TIMER0 &
+ APCI3120_DISABLE_TIMER1,
+ dev->iobase + APCI3120_WR_ADDRESS);
+ }
-/*
-+----------------------------------------------------------------------------+
-| TIMER SUBDEVICE |
-+----------------------------------------------------------------------------+
-*/
+ }
-/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnConfigTimer(struct comedi_device *dev, |
-| struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task :Configure Timer 2 |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-| |
-| data[0]= TIMER configure as timer |
-| = WATCHDOG configure as watchdog |
-| data[1] = Timer constant |
-| data[2] = Timer2 interrupt (1)enable or(0) disable |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
+ return;
+}
-int i_APCI3120_InsnConfigTimer(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+/*
+ * Configure Timer 2
+ *
+ * data[0] = TIMER configure as timer
+ * = WATCHDOG configure as watchdog
+ * data[1] = Timer constant
+ * data[2] = Timer2 interrupt (1)enable or(0) disable
+ */
+static int i_APCI3120_InsnConfigTimer(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
}
/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnWriteTimer(struct comedi_device *dev, |
-| struct comedi_subdevice *s, struct comedi_insn *insn,unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task : To start and stop the timer |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-| |
-| data[0] = 1 (start) |
-| data[0] = 0 (stop ) |
-| data[0] = 2 (write new value) |
-| data[1]= new value |
-| |
-| devpriv->b_Timer2Mode = 0 DISABLE |
-| 1 Timer |
-| 2 Watch dog |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_InsnWriteTimer(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ * To start and stop the timer
+ *
+ * data[0] = 1 (start)
+ * = 0 (stop)
+ * = 2 (write new value)
+ * data[1] = new value
+ *
+ * devpriv->b_Timer2Mode = 0 DISABLE
+ * = 1 Timer
+ * = 2 Watch dog
+ */
+static int i_APCI3120_InsnWriteTimer(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
const struct addi_board *this_board = comedi_board(dev);
struct addi_private *devpriv = dev->private;
}
/*
-+----------------------------------------------------------------------------+
-| Function name : int i_APCI3120_InsnReadTimer(struct comedi_device *dev, |
-| struct comedi_subdevice *s,struct comedi_insn *insn, unsigned int *data) |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Task : read the Timer value |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-| |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| for Timer: data[0]= Timer constant |
-| |
-| for watchdog: data[0]=0 (still running) |
-| data[0]=1 (run down) |
-| |
-+----------------------------------------------------------------------------+
-*/
-int i_APCI3120_InsnReadTimer(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ * Read the Timer value
+ *
+ * for Timer: data[0]= Timer constant
+ *
+ * for watchdog: data[0] = 0 (still running)
+ * = 1 (run down)
+ */
+static int i_APCI3120_InsnReadTimer(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned char b_Tmp;
}
/*
-+----------------------------------------------------------------------------+
-| DIGITAL INPUT SUBDEVICE |
-+----------------------------------------------------------------------------+
-*/
-
-/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnReadDigitalInput(struct comedi_device *dev, |
-| struct comedi_subdevice *s, struct comedi_insn *insn,unsigned int *data) |
-| |
-| |
-+----------------------------------------------------------------------------+
-| Task : Reads the value of the specified Digital input channel|
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_InsnReadDigitalInput(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
+ * Reads the value of the specified Digital input channel
+ */
+static int i_APCI3120_InsnReadDigitalInput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ui_Chan, ui_TmpValue;
}
/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnBitsDigitalInput(struct comedi_device *dev, |
-|struct comedi_subdevice *s, struct comedi_insn *insn,unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task : Reads the value of the Digital input Port i.e.4channels|
-| value is returned in data[0] |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-int i_APCI3120_InsnBitsDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ * Reads the value of the Digital input Port i.e.4channels
+ * value is returned in data[0]
+ */
+static int i_APCI3120_InsnBitsDigitalInput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ui_TmpValue;
}
/*
-+----------------------------------------------------------------------------+
-| DIGITAL OUTPUT SUBDEVICE |
-+----------------------------------------------------------------------------+
-*/
-/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnConfigDigitalOutput(struct comedi_device |
-| *dev,struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task :Configure the output memory ON or OFF |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters :struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_InsnConfigDigitalOutput(struct comedi_device *dev,
- struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
+ * Configure the output memory ON or OFF
+ */
+static int i_APCI3120_InsnConfigDigitalOutput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct addi_private *devpriv = dev->private;
}
/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnBitsDigitalOutput(struct comedi_device *dev, |
-| struct comedi_subdevice *s, struct comedi_insn *insn,unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task : write diatal output port |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-| data[0] Value to be written
-| data[1] :1 Set digital o/p ON
-| data[1] 2 Set digital o/p OFF with memory ON
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_InsnBitsDigitalOutput(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
+ * Write diatal output port
+ *
+ * data[0] = Value to be written
+ * data[1] = 1 Set digital o/p ON
+ * = 2 Set digital o/p OFF with memory ON
+ */
+static int i_APCI3120_InsnBitsDigitalOutput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct addi_private *devpriv = dev->private;
}
/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnWriteDigitalOutput(struct comedi_device *dev,|
-|struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task : Write digiatl output |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
- data[0] Value to be written
- data[1] :1 Set digital o/p ON
- data[1] 2 Set digital o/p OFF with memory ON
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_InsnWriteDigitalOutput(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
+ * Write digital output
+ *
+ * data[0] = Value to be written
+ * data[1] = 1 Set digital o/p ON
+ * = 2 Set digital o/p OFF with memory ON
+ */
+static int i_APCI3120_InsnWriteDigitalOutput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ui_Temp1;
}
-/*
-+----------------------------------------------------------------------------+
-| ANALOG OUTPUT SUBDEVICE |
-+----------------------------------------------------------------------------+
-*/
-
-/*
-+----------------------------------------------------------------------------+
-| Function name :int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,|
-|struct comedi_subdevice *s, struct comedi_insn *insn,unsigned int *data) |
-| |
-+----------------------------------------------------------------------------+
-| Task : Write analog output |
-| |
-+----------------------------------------------------------------------------+
-| Input Parameters : struct comedi_device *dev |
-| struct comedi_subdevice *s |
-| struct comedi_insn *insn |
-| unsigned int *data |
-+----------------------------------------------------------------------------+
-| Return Value : |
-| |
-+----------------------------------------------------------------------------+
-*/
-
-int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
+#ifdef CONFIG_APCI_3120
+static int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ui_Range, ui_Channel;
return insn->n;
}
+#endif