diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c | 1704 |
1 files changed, 677 insertions, 1027 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c index f406dfb2a677..74065baa3c08 100644 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c @@ -44,8 +44,203 @@ You should also find the complete GPL in the COPYING file accompanying this sour +----------+-----------+------------------------------------------------+ */ -#include "hwdrv_apci3120.h" -static unsigned int ui_Temp; +/* + * ADDON RELATED ADDITIONS + */ +/* Constant */ +#define APCI3120_ENABLE_TRANSFER_ADD_ON_LOW 0x00 +#define APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH 0x1200 +#define APCI3120_A2P_FIFO_MANAGEMENT 0x04000400L +#define APCI3120_AMWEN_ENABLE 0x02 +#define APCI3120_A2P_FIFO_WRITE_ENABLE 0x01 +#define APCI3120_FIFO_ADVANCE_ON_BYTE_2 0x20000000L +#define APCI3120_ENABLE_WRITE_TC_INT 0x00004000L +#define APCI3120_CLEAR_WRITE_TC_INT 0x00040000L +#define APCI3120_DISABLE_AMWEN_AND_A2P_FIFO_WRITE 0x0 +#define APCI3120_DISABLE_BUS_MASTER_ADD_ON 0x0 +#define APCI3120_DISABLE_BUS_MASTER_PCI 0x0 + +/* ADD_ON ::: this needed since apci supports 16 bit interface to add on */ +#define APCI3120_ADD_ON_AGCSTS_LOW 0x3C +#define APCI3120_ADD_ON_AGCSTS_HIGH (APCI3120_ADD_ON_AGCSTS_LOW + 2) +#define APCI3120_ADD_ON_MWAR_LOW 0x24 +#define APCI3120_ADD_ON_MWAR_HIGH (APCI3120_ADD_ON_MWAR_LOW + 2) +#define APCI3120_ADD_ON_MWTC_LOW 0x058 +#define APCI3120_ADD_ON_MWTC_HIGH (APCI3120_ADD_ON_MWTC_LOW + 2) + +/* AMCC */ +#define APCI3120_AMCC_OP_MCSR 0x3C +#define APCI3120_AMCC_OP_REG_INTCSR 0x38 + +/* for transfer count enable bit */ +#define AGCSTS_TC_ENABLE 0x10000000 + +/* used for test on mixture of BIP/UNI ranges */ +#define APCI3120_BIPOLAR_RANGES 4 + +#define APCI3120_ADDRESS_RANGE 16 + +#define APCI3120_DISABLE 0 +#define APCI3120_ENABLE 1 + +#define APCI3120_START 1 +#define APCI3120_STOP 0 + +#define APCI3120_EOC_MODE 1 +#define APCI3120_EOS_MODE 2 +#define APCI3120_DMA_MODE 3 + +/* DIGITAL INPUT-OUTPUT DEFINE */ + +#define APCI3120_DIGITAL_OUTPUT 0x0d +#define APCI3120_RD_STATUS 0x02 +#define APCI3120_RD_FIFO 0x00 + +/* digital output insn_write ON /OFF selection */ +#define APCI3120_SET4DIGITALOUTPUTON 1 +#define APCI3120_SET4DIGITALOUTPUTOFF 0 + +/* analog output SELECT BIT */ +#define APCI3120_ANALOG_OP_CHANNEL_1 0x0000 +#define APCI3120_ANALOG_OP_CHANNEL_2 0x4000 +#define APCI3120_ANALOG_OP_CHANNEL_3 0x8000 +#define APCI3120_ANALOG_OP_CHANNEL_4 0xc000 +#define APCI3120_ANALOG_OP_CHANNEL_5 0x0000 +#define APCI3120_ANALOG_OP_CHANNEL_6 0x4000 +#define APCI3120_ANALOG_OP_CHANNEL_7 0x8000 +#define APCI3120_ANALOG_OP_CHANNEL_8 0xc000 + +/* Enable external trigger bit in nWrAddress */ +#define APCI3120_ENABLE_EXT_TRIGGER 0x8000 + +/* ANALOG OUTPUT AND INPUT DEFINE */ +#define APCI3120_UNIPOLAR 0x80 +#define APCI3120_BIPOLAR 0x00 +#define APCI3120_ANALOG_OUTPUT_1 0x08 +#define APCI3120_ANALOG_OUTPUT_2 0x0a +#define APCI3120_1_GAIN 0x00 +#define APCI3120_2_GAIN 0x10 +#define APCI3120_5_GAIN 0x20 +#define APCI3120_10_GAIN 0x30 +#define APCI3120_SEQ_RAM_ADDRESS 0x06 +#define APCI3120_RESET_FIFO 0x0c +#define APCI3120_TIMER_0_MODE_2 0x01 +#define APCI3120_TIMER_0_MODE_4 0x2 +#define APCI3120_SELECT_TIMER_0_WORD 0x00 +#define APCI3120_ENABLE_TIMER0 0x1000 +#define APCI3120_CLEAR_PR 0xf0ff +#define APCI3120_CLEAR_PA 0xfff0 +#define APCI3120_CLEAR_PA_PR (APCI3120_CLEAR_PR & APCI3120_CLEAR_PA) + +/* nWrMode_Select */ +#define APCI3120_ENABLE_SCAN 0x8 +#define APCI3120_DISABLE_SCAN (~APCI3120_ENABLE_SCAN) +#define APCI3120_ENABLE_EOS_INT 0x2 + +#define APCI3120_DISABLE_EOS_INT (~APCI3120_ENABLE_EOS_INT) +#define APCI3120_ENABLE_EOC_INT 0x1 +#define APCI3120_DISABLE_EOC_INT (~APCI3120_ENABLE_EOC_INT) +#define APCI3120_DISABLE_ALL_INTERRUPT_WITHOUT_TIMER \ + (APCI3120_DISABLE_EOS_INT & APCI3120_DISABLE_EOC_INT) +#define APCI3120_DISABLE_ALL_INTERRUPT \ + (APCI3120_DISABLE_TIMER_INT & APCI3120_DISABLE_EOS_INT & APCI3120_DISABLE_EOC_INT) + +/* status register bits */ +#define APCI3120_EOC 0x8000 +#define APCI3120_EOS 0x2000 + +/* software trigger dummy register */ +#define APCI3120_START_CONVERSION 0x02 + +/* TIMER DEFINE */ +#define APCI3120_QUARTZ_A 70 +#define APCI3120_QUARTZ_B 50 +#define APCI3120_TIMER 1 +#define APCI3120_WATCHDOG 2 +#define APCI3120_TIMER_DISABLE 0 +#define APCI3120_TIMER_ENABLE 1 +#define APCI3120_ENABLE_TIMER2 0x4000 +#define APCI3120_DISABLE_TIMER2 (~APCI3120_ENABLE_TIMER2) +#define APCI3120_ENABLE_TIMER_INT 0x04 +#define APCI3120_DISABLE_TIMER_INT (~APCI3120_ENABLE_TIMER_INT) +#define APCI3120_WRITE_MODE_SELECT 0x0e +#define APCI3120_SELECT_TIMER_0_WORD 0x00 +#define APCI3120_SELECT_TIMER_1_WORD 0x01 +#define APCI3120_TIMER_1_MODE_2 0x4 + +/* $$ BIT FOR MODE IN nCsTimerCtr1 */ +#define APCI3120_TIMER_2_MODE_0 0x0 +#define APCI3120_TIMER_2_MODE_2 0x10 +#define APCI3120_TIMER_2_MODE_5 0x30 + +/* $$ BIT FOR MODE IN nCsTimerCtr0 */ +#define APCI3120_SELECT_TIMER_2_LOW_WORD 0x02 +#define APCI3120_SELECT_TIMER_2_HIGH_WORD 0x03 + +#define APCI3120_TIMER_CRT0 0x0d +#define APCI3120_TIMER_CRT1 0x0c + +#define APCI3120_TIMER_VALUE 0x04 +#define APCI3120_TIMER_STATUS_REGISTER 0x0d +#define APCI3120_RD_STATUS 0x02 +#define APCI3120_WR_ADDRESS 0x00 +#define APCI3120_ENABLE_WATCHDOG 0x20 +#define APCI3120_DISABLE_WATCHDOG (~APCI3120_ENABLE_WATCHDOG) +#define APCI3120_ENABLE_TIMER_COUNTER 0x10 +#define APCI3120_DISABLE_TIMER_COUNTER (~APCI3120_ENABLE_TIMER_COUNTER) +#define APCI3120_FC_TIMER 0x1000 +#define APCI3120_ENABLE_TIMER0 0x1000 +#define APCI3120_ENABLE_TIMER1 0x2000 +#define APCI3120_ENABLE_TIMER2 0x4000 +#define APCI3120_DISABLE_TIMER0 (~APCI3120_ENABLE_TIMER0) +#define APCI3120_DISABLE_TIMER1 (~APCI3120_ENABLE_TIMER1) +#define APCI3120_DISABLE_TIMER2 (~APCI3120_ENABLE_TIMER2) + +#define APCI3120_TIMER2_SELECT_EOS 0xc0 +#define APCI3120_COUNTER 3 +#define APCI3120_DISABLE_ALL_TIMER (APCI3120_DISABLE_TIMER0 & \ + APCI3120_DISABLE_TIMER1 & \ + APCI3120_DISABLE_TIMER2) + +#define MAX_ANALOGINPUT_CHANNELS 32 + +struct str_AnalogReadInformation { + /* EOC or EOS */ + unsigned char b_Type; + /* Interrupt use or not */ + unsigned char b_InterruptFlag; + /* Selection of the conversion time */ + unsigned int ui_ConvertTiming; + /* Number of channel to read */ + unsigned char b_NbrOfChannel; + /* Number of the channel to be read */ + unsigned int ui_ChannelList[MAX_ANALOGINPUT_CHANNELS]; + /* Gain of each channel */ + unsigned int ui_RangeList[MAX_ANALOGINPUT_CHANNELS]; +}; + +/* ANALOG INPUT RANGE */ +static const struct comedi_lrange range_apci3120_ai = { + 8, { + BIP_RANGE(10), + BIP_RANGE(5), + BIP_RANGE(2), + BIP_RANGE(1), + UNI_RANGE(10), + UNI_RANGE(5), + UNI_RANGE(2), + UNI_RANGE(1) + } +}; + +/* ANALOG OUTPUT RANGE */ +static const struct comedi_lrange range_apci3120_ao = { + 2, { + BIP_RANGE(10), + UNI_RANGE(10) + } +}; + /* FUNCTION DEFINITIONS */ @@ -55,28 +250,13 @@ static unsigned int ui_Temp; +----------------------------------------------------------------------------+ */ -/* -+----------------------------------------------------------------------------+ -| 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) { + const struct addi_board *this_board = comedi_board(dev); + struct addi_private *devpriv = dev->private; unsigned int i; if ((data[0] != APCI3120_EOC_MODE) && (data[0] != APCI3120_EOS_MODE)) @@ -91,7 +271,7 @@ int i_APCI3120_InsnConfigAnalogInput(struct comedi_device *dev, struct comedi_su for (i = 0; i < data[3]; i++) { if (CR_CHAN(data[4 + i]) >= - devpriv->s_EeParameters.i_NbrAiChannel) { + this_board->i_NbrAiChannel) { printk("bad channel list\n"); return -2; } @@ -121,31 +301,72 @@ int i_APCI3120_InsnConfigAnalogInput(struct comedi_device *dev, struct comedi_su } /* -+----------------------------------------------------------------------------+ -| 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; -int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + /* 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 */ +} + +/* + * 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; unsigned short us_ConvertTiming, us_TmpValue, i; unsigned char b_Tmp; @@ -387,26 +608,86 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, struct comedi_subd } +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 */ -int i_APCI3120_StopCyclicAcquisition(struct comedi_device *dev, struct comedi_subdevice *s) + 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; +} + +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; + /* Disable A2P Fifo write and AMWEN signal */ outw(0, devpriv->i_IobaseAddon + 4); @@ -456,28 +737,11 @@ int i_APCI3120_StopCyclicAcquisition(struct comedi_device *dev, struct comedi_su 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); int err = 0; /* Step 1 : check if triggers are trivially valid */ @@ -503,63 +767,32 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device *dev, struct comedi_s if (err) return 2; - /* step 3: make sure arguments are trivially compatible */ + /* Step 3: check if arguments are trivially valid */ - if (cmd->start_arg != 0) { - cmd->start_arg = 0; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0); - if (cmd->scan_begin_src == TRIG_TIMER) { /* Test Delay timing */ - if (cmd->scan_begin_arg < - devpriv->s_EeParameters.ui_MinDelaytimeNs) { - cmd->scan_begin_arg = - devpriv->s_EeParameters.ui_MinDelaytimeNs; - err++; - } - } + if (cmd->scan_begin_src == TRIG_TIMER) /* Test Delay timing */ + err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg, 100000); if (cmd->convert_src == TRIG_TIMER) { /* Test Acquisition timing */ if (cmd->scan_begin_src == TRIG_TIMER) { - if ((cmd->convert_arg) - && (cmd->convert_arg < - devpriv->s_EeParameters. - ui_MinAcquisitiontimeNs)) { - cmd->convert_arg = devpriv->s_EeParameters. - ui_MinAcquisitiontimeNs; - err++; - } + if (cmd->convert_arg) + err |= cfc_check_trigger_arg_min( + &cmd->convert_arg, 10000); } else { - if (cmd->convert_arg < - devpriv->s_EeParameters.ui_MinAcquisitiontimeNs - ) { - cmd->convert_arg = devpriv->s_EeParameters. - ui_MinAcquisitiontimeNs; - err++; - - } + err |= cfc_check_trigger_arg_min(&cmd->convert_arg, + 10000); } } - if (!cmd->chanlist_len) { - cmd->chanlist_len = 1; - err++; - } - if (cmd->chanlist_len > this_board->i_AiChannelList) { - cmd->chanlist_len = this_board->i_AiChannelList; - err++; - } - if (cmd->stop_src == TRIG_COUNT) { - if (!cmd->stop_arg) { - cmd->stop_arg = 1; - err++; - } - } else { /* TRIG_NONE */ - if (cmd->stop_arg != 0) { - cmd->stop_arg = 0; - err++; - } - } + err |= cfc_check_trigger_arg_min(&cmd->chanlist_len, 1); + err |= cfc_check_trigger_arg_max(&cmd->chanlist_len, + this_board->i_AiChannelList); + + if (cmd->stop_src == TRIG_COUNT) + err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1); + else /* TRIG_NONE */ + err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0); if (err) return 3; @@ -584,100 +817,17 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device *dev, struct comedi_s } /* -+----------------------------------------------------------------------------+ -| 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 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; unsigned char b_Tmp; unsigned int ui_Tmp, ui_DelayTiming = 0, ui_TimerValue1 = 0, dmalen0 = 0, dmalen1 = 0, ui_TimerValue2 = @@ -1186,241 +1336,277 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device *dev, } /* -+----------------------------------------------------------------------------+ -| intERNAL FUNCTIONS | -+----------------------------------------------------------------------------+ -*/ + * 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; + struct comedi_cmd *cmd = &s->async->cmd; -/* -+----------------------------------------------------------------------------+ -| Function name : int i_APCI3120_Reset(struct comedi_device *dev) | -| | -| | -+----------------------------------------------------------------------------+ -| Task : Hardware reset function | -| | -+----------------------------------------------------------------------------+ -| Input Parameters : struct comedi_device *dev | -| | -| | -+----------------------------------------------------------------------------+ -| Return Value : | -| | -+----------------------------------------------------------------------------+ -*/ + /* 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; -int i_APCI3120_Reset(struct comedi_device *dev) -{ - unsigned int i; - unsigned short us_TmpValue; + /* 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; - 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; + if (cmd->stop_src == TRIG_COUNT) + devpriv->ui_AiNbrofScans = cmd->stop_arg; + else + devpriv->ui_AiNbrofScans = 0; - /* variables used in timer subdevice */ - devpriv->b_Timer2Mode = 0; - devpriv->b_Timer2Interrupt = 0; - devpriv->b_ExttrigEnable = 0; /* Disable ext trigger */ + 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 */ - /* Disable all interrupts, watchdog for the anolog output */ - devpriv->b_ModeSelectRegister = 0; - outb(devpriv->b_ModeSelectRegister, - dev->iobase + APCI3120_WRITE_MODE_SELECT); + if (cmd->start_src == TRIG_EXT) + devpriv->b_ExttrigEnable = APCI3120_ENABLE; + else + devpriv->b_ExttrigEnable = APCI3120_DISABLE; - /* Disables all counters, ext trigger and clears PA, PR */ - devpriv->us_OutputRegister = 0; - outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS); + 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; +} /* - * Code to set the all anolog o/p channel to 0v 8191 is decimal - * value for zero(0 v)volt in bipolar mode(default) + * This function copies the data from DMA buffer to the Comedi buffer. */ - 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 */ +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; - 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_AiActualScan += + (s->async->cur_chan + num_samples) / devpriv->ui_AiScanLength; + s->async->cur_chan += num_samples; + s->async->cur_chan %= devpriv->ui_AiScanLength; - /* Reset digital output to L0W */ + cfc_write_array_to_buffer(s, dma_buffer, num_samples * sizeof(short)); +} -/* ES05 outb(0x0,dev->iobase+APCI3120_DIGITAL_OUTPUT); */ - udelay(10); +/* + * 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; + struct comedi_subdevice *s = &dev->subdevices[0]; + unsigned int next_dma_buf, samplesinbuf; + unsigned long low_word, high_word, var; + unsigned int ui_Tmp; - 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 */ + samplesinbuf = + devpriv->ui_DmaBufferUsesize[devpriv->ui_DmaActualBuffer] - + inl(devpriv->i_IobaseAmcc + AMCC_OP_REG_MWTC); - /* 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); + if (samplesinbuf < + devpriv->ui_DmaBufferUsesize[devpriv->ui_DmaActualBuffer]) { + comedi_error(dev, "Interrupted DMA transfer!"); } - return 0; -} + 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); /* -+----------------------------------------------------------------------------+ -| 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 : | -| | -+----------------------------------------------------------------------------+ -*/ + * 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_SetupChannelList(struct comedi_device *dev, struct comedi_subdevice *s, - int n_chan, unsigned int *chanlist, char check) -{ - unsigned int i; /* , differencial=0, bipolar=0; */ - unsigned int gain; - unsigned short us_TmpValue; + } + if (samplesinbuf) { + v_APCI3120_InterruptDmaMoveBlock16bit(dev, s, + devpriv->ul_DmaBufferVirtual[devpriv-> + ui_DmaActualBuffer], samplesinbuf); - /* 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; + if (!(devpriv->ui_AiFlags & TRIG_WAKE_EOS)) { + s->async->events |= COMEDI_CB_EOS; + comedi_event(dev, s); + } } - /* All is ok, so we can setup channel/range list */ - if (check) - return 1; + 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; + } - /* 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); + 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); - for (i = 0; i < n_chan; i++) { - /* store range list to card */ - us_TmpValue = CR_CHAN(chanlist[i]); /* get channel number; */ + /* 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); - if (CR_RANGE(chanlist[i]) < APCI3120_BIPOLAR_RANGES) - us_TmpValue &= ((~APCI3120_UNIPOLAR) & 0xff); /* set bipolar */ - else - us_TmpValue |= APCI3120_UNIPOLAR; /* enable unipolar...... */ + 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); - 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->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); - 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); +/* + * 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); } - return 1; /* we can serve this with scan logic */ } /* -+----------------------------------------------------------------------------+ -| Function name : int i_APCI3120_ExttrigEnable(struct comedi_device * dev) | -| | -| | -+----------------------------------------------------------------------------+ -| Task : Enable the external trigger | -| | -+----------------------------------------------------------------------------+ -| Input Parameters : struct comedi_device * dev | -| | -| | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -| | -+----------------------------------------------------------------------------+ -*/ - -int i_APCI3120_ExttrigEnable(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; -/* -+----------------------------------------------------------------------------+ -| Function name : int i_APCI3120_ExttrigDisable(struct comedi_device * dev) | -| | -+----------------------------------------------------------------------------+ -| Task : Disables the external trigger | -| | -+----------------------------------------------------------------------------+ -| Input Parameters : struct comedi_device * dev | -| | -| | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -| | -+----------------------------------------------------------------------------+ -*/ + s->async->events = 0; -int i_APCI3120_ExttrigDisable(struct comedi_device *dev) -{ - devpriv->us_OutputRegister &= ~APCI3120_ENABLE_EXT_TRIGGER; - outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS); - return 0; -} + for (i = 0; i < n_chan; i++) + err &= comedi_buf_put(s->async, inw(dev->iobase + 0)); -/* -+----------------------------------------------------------------------------+ -| intERRUPT FUNCTIONS | -+----------------------------------------------------------------------------+ -*/ + s->async->events |= COMEDI_CB_EOS; -/* -+----------------------------------------------------------------------------+ -| 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 | -| | -+----------------------------------------------------------------------------+ -*/ + 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; unsigned short int_daq; - unsigned int int_amcc, ui_Check, i; unsigned short us_TmpValue; unsigned char b_DummyRead; - struct comedi_subdevice *s = &dev->subdevices[0]; + ui_Check = 1; int_daq = inw(dev->iobase + APCI3120_RD_STATUS) & 0xf000; /* get IRQ reasons */ @@ -1602,284 +1788,20 @@ void v_APCI3120_Interrupt(int irq, void *d) } /* -+----------------------------------------------------------------------------+ -| 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) -{ - 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 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 + * 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 */ - 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); - } - } - 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); /* */ -/* - * A2P FIFO MANAGEMENT - * A2P fifo reset & transfer control enable - */ - outl(APCI3120_A2P_FIFO_MANAGEMENT, - devpriv->i_IobaseAmcc + AMCC_OP_REG_MCSR); - - 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); - - 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); - -/* - * 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 | -| | -+----------------------------------------------------------------------------+ -*/ - -void v_APCI3120_InterruptDmaMoveBlock16bit(struct comedi_device *dev, - struct comedi_subdevice *s, short *dma_buffer, unsigned int num_samples) -{ - 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)); -} - -/* -+----------------------------------------------------------------------------+ -| 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 : | -| | -+----------------------------------------------------------------------------+ -*/ - -int i_APCI3120_InsnConfigTimer(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +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; unsigned int ui_Timervalue2; unsigned short us_TmpValue; unsigned char b_Tmp; @@ -2007,37 +1929,24 @@ int i_APCI3120_InsnConfigTimer(struct comedi_device *dev, struct comedi_subdevic } /* -+----------------------------------------------------------------------------+ -| 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; unsigned int ui_Timervalue2 = 0; unsigned short us_TmpValue; unsigned char b_Tmp; @@ -2196,31 +2105,19 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device *dev, struct comedi_subdevice } /* -+----------------------------------------------------------------------------+ -| 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; unsigned short us_TmpValue, us_TmpValue_2, us_StatusValue; @@ -2265,299 +2162,52 @@ int i_APCI3120_InsnReadTimer(struct comedi_device *dev, struct comedi_subdevice return insn->n; } -/* -+----------------------------------------------------------------------------+ -| 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) -{ - unsigned int ui_Chan, ui_TmpValue; - - ui_Chan = CR_CHAN(insn->chanspec); /* channel specified */ - - /* this_board->di_read(dev,ui_Chan,data); */ - if (ui_Chan <= 3) { - ui_TmpValue = (unsigned int) inw(devpriv->iobase + APCI3120_RD_STATUS); - -/* - * 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_Chan + 8)) & 1; - /* return 0; */ - } else { - /* comedi_error(dev," chan spec wrong"); */ - return -EINVAL; /* "sorry channel spec wrong " */ - } - return insn->n; - -} - -/* -+----------------------------------------------------------------------------+ -| 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) -{ - unsigned int ui_TmpValue; - ui_TmpValue = (unsigned int) inw(devpriv->iobase + APCI3120_RD_STATUS); - /***** state of 4 channels in the 11, 10, 9, 8 bits of status reg - rotated right 8 times to bring them to last four bits - ANDed with oxf for value. - *****/ - - *data = (ui_TmpValue >> 8) & 0xf; - /* this_board->di_bits(dev,data); */ - return insn->n; -} - -/* -+----------------------------------------------------------------------------+ -| 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) -{ - - 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]) { - devpriv->b_OutputMemoryStatus = APCI3120_ENABLE; - - } else { - devpriv->b_OutputMemoryStatus = APCI3120_DISABLE; - devpriv->b_DigitalOutputRegister = 0; - } - if (!devpriv->b_OutputMemoryStatus) - ui_Temp = 0; - /* if(!devpriv->b_OutputMemoryStatus ) */ - - return insn->n; -} - -/* -+----------------------------------------------------------------------------+ -| 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) +static int apci3120_di_insn_bits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { - if ((data[0] > devpriv->s_EeParameters.i_DoMaxdata) || (data[0] < 0)) { - - comedi_error(dev, "Data is not valid !!! \n"); - return -EINVAL; - } + struct addi_private *devpriv = dev->private; + unsigned int val; - switch (data[1]) { - case 1: - data[0] = (data[0] << 4) | devpriv->b_DigitalOutputRegister; - break; - - case 2: - data[0] = data[0]; - break; - default: - printk("\nThe parameter passed is in error \n"); - return -EINVAL; - } /* switch(data[1]) */ - outb(data[0], devpriv->iobase + APCI3120_DIGITAL_OUTPUT); - - devpriv->b_DigitalOutputRegister = data[0] & 0xF0; + /* the input channels are bits 11:8 of the status reg */ + val = inw(devpriv->iobase + APCI3120_RD_STATUS); + data[1] = (val >> 8) & 0xf; return insn->n; - } -/* -+----------------------------------------------------------------------------+ -| 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) +static int apci3120_do_insn_bits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) { - - unsigned int ui_Temp1; - - unsigned int ui_NoOfChannel = CR_CHAN(insn->chanspec); /* get the channel */ - - if ((data[0] != 0) && (data[0] != 1)) { - comedi_error(dev, - "Not a valid Data !!! ,Data should be 1 or 0\n"); - return -EINVAL; - } - if (ui_NoOfChannel > devpriv->s_EeParameters.i_NbrDoChannel - 1) { - comedi_error(dev, - "This board doesn't have specified channel !!! \n"); - return -EINVAL; + struct addi_private *devpriv = dev->private; + unsigned int mask = data[0]; + unsigned int bits = data[1]; + unsigned int val; + + /* The do channels are bits 7:4 of the do register */ + val = devpriv->b_DigitalOutputRegister >> 4; + if (mask) { + val &= ~mask; + val |= (bits & mask); + devpriv->b_DigitalOutputRegister = val << 4; + + outb(val << 4, devpriv->iobase + APCI3120_DIGITAL_OUTPUT); } - switch (data[1]) { - case 1: - data[0] = (data[0] << ui_NoOfChannel); -/* ES05 data[0]=(data[0]<<4)|ui_Temp; */ - data[0] = (data[0] << 4) | devpriv->b_DigitalOutputRegister; - break; + data[1] = val; - case 2: - data[0] = ~data[0] & 0x1; - ui_Temp1 = 1; - ui_Temp1 = ui_Temp1 << ui_NoOfChannel; - ui_Temp1 = ui_Temp1 << 4; -/* ES05 ui_Temp=ui_Temp|ui_Temp1; */ - devpriv->b_DigitalOutputRegister = - devpriv->b_DigitalOutputRegister | ui_Temp1; - - data[0] = (data[0] << ui_NoOfChannel) ^ 0xf; - data[0] = data[0] << 4; -/* ES05 data[0]=data[0]& ui_Temp; */ - data[0] = data[0] & devpriv->b_DigitalOutputRegister; - break; - default: - printk("\nThe parameter passed is in error \n"); - return -EINVAL; - } /* switch(data[1]) */ - outb(data[0], devpriv->iobase + APCI3120_DIGITAL_OUTPUT); - -/* ES05 ui_Temp=data[0] & 0xf0; */ - devpriv->b_DigitalOutputRegister = data[0] & 0xf0; return insn->n; - } -/* -+----------------------------------------------------------------------------+ -| 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) +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; unsigned short us_TmpValue; |