comedi/drivers/ni_labpc_common.c

110 	struct labpc_private *devpriv = dev->private;
114 	devpriv->cmd2 &= ~(CMD2_SWTRIG | CMD2_HWTRIG | CMD2_PRETRIG);
115 	devpriv->write_byte(dev, devpriv->cmd2, CMD2_REG);
118 	devpriv->cmd3 = 0;
119 	devpriv->write_byte(dev, devpriv->cmd3, CMD3_REG);
131 	struct labpc_private *devpriv = dev->private;
146 	devpriv->cmd1 = CMD1_MA(chan);
147 	devpriv->cmd1 |= CMD1_GAIN(range);
149 	devpriv->write_byte(dev, devpriv->cmd1, CMD1_REG);
161 	struct labpc_private *devpriv = dev->private;
168 		devpriv->cmd6 |= CMD6_NRSE;
170 		devpriv->cmd6 &= ~CMD6_NRSE;
174 		devpriv->cmd6 |= CMD6_ADCUNI;
176 		devpriv->cmd6 &= ~CMD6_ADCUNI;
180 		devpriv->cmd6 |= CMD6_HFINTEN;
182 		devpriv->cmd6 &= ~CMD6_HFINTEN;
186 		devpriv->cmd6 |= CMD6_DQINTEN;
188 		devpriv->cmd6 &= ~CMD6_DQINTEN;
192 		devpriv->cmd6 |= CMD6_SCANUP;
194 		devpriv->cmd6 &= ~CMD6_SCANUP;
196 	devpriv->write_byte(dev, devpriv->cmd6, CMD6_REG);
201 	struct labpc_private *devpriv = dev->private;
202 	unsigned int lsb = devpriv->read_byte(dev, ADC_FIFO_REG);
203 	unsigned int msb = devpriv->read_byte(dev, ADC_FIFO_REG);
210 	struct labpc_private *devpriv = dev->private;
212 	devpriv->write_byte(dev, 0x1, ADC_FIFO_CLEAR_REG);
221 	struct labpc_private *devpriv = dev->private;
223 	devpriv->stat1 = devpriv->read_byte(dev, STAT1_REG);
224 	if (devpriv->stat1 & STAT1_DAVAIL)
234 	struct labpc_private *devpriv = dev->private;
250 	devpriv->cmd4 = 0;
251 	devpriv->cmd4 |= CMD4_ECLKRCV;
254 		devpriv->cmd4 |= CMD4_SEDIFF;
255 	devpriv->write_byte(dev, devpriv->cmd4, CMD4_REG);
258 	comedi_8254_set_mode(devpriv->counter, 0, I8254_MODE2 | I8254_BINARY);
264 		devpriv->write_byte(dev, 0x1, ADC_START_CONVERT_REG);
619 	struct labpc_private *devpriv = dev->private;
637 		devpriv->count = cmd->stop_arg * cmd->chanlist_len;
645 		comedi_8254_load(devpriv->counter, 1,
649 		comedi_8254_set_mode(devpriv->counter, 1,
654 	if (devpriv->dma &&
663 		   (cmd->stop_src != TRIG_COUNT || devpriv->count > 256)) {
673 	devpriv->current_transfer = xfer;
682 		devpriv->cmd1 |= CMD1_SCANEN;
689 		devpriv->write_byte(dev, devpriv->cmd1, CMD1_REG);
692 	devpriv->write_byte(dev, cmd->chanlist_len, INTERVAL_COUNT_REG);
694 	devpriv->write_byte(dev, 0x1, INTERVAL_STROBE_REG);
699 		struct comedi_8254 *counter = devpriv->counter;
724 	devpriv->cmd3 |= CMD3_ERRINTEN;
727 		devpriv->cmd3 |= CMD3_FIFOINTEN;
728 	devpriv->write_byte(dev, devpriv->cmd3, CMD3_REG);
731 	devpriv->cmd4 = 0;
733 		devpriv->cmd4 |= CMD4_ECLKRCV;
739 		devpriv->cmd4 |= CMD4_INTSCAN;
741 			devpriv->cmd4 |= CMD4_EOIRCV;
745 		devpriv->cmd4 |= CMD4_SEDIFF;
746 	devpriv->write_byte(dev, devpriv->cmd4, CMD4_REG);
753 	devpriv->cmd2 |= CMD2_TBSEL;
755 	devpriv->cmd2 &= ~(CMD2_SWTRIG | CMD2_HWTRIG | CMD2_PRETRIG);
757 		devpriv->cmd2 |= CMD2_HWTRIG;
759 		devpriv->cmd2 |= CMD2_SWTRIG;
761 		devpriv->cmd2 |= (CMD2_HWTRIG | CMD2_PRETRIG);
763 	devpriv->write_byte(dev, devpriv->cmd2, CMD2_REG);
773 	struct labpc_private *devpriv = dev->private;
780 	devpriv->stat1 = devpriv->read_byte(dev, STAT1_REG);
782 	for (i = 0; (devpriv->stat1 & STAT1_DAVAIL) && i < timeout;
786 			if (devpriv->count == 0)
788 			devpriv->count--;
792 		devpriv->stat1 = devpriv->read_byte(dev, STAT1_REG);
809 	struct labpc_private *devpriv = dev->private;
811 	if (devpriv->current_transfer == isa_dma_transfer)
822 	struct labpc_private *devpriv = dev->private;
836 	devpriv->stat1 = devpriv->read_byte(dev, STAT1_REG);
838 		devpriv->stat2 = devpriv->read_byte(dev, STAT2_REG);
840 	if ((devpriv->stat1 & (STAT1_GATA0 | STAT1_CNTINT | STAT1_OVERFLOW |
842 	    (devpriv->stat2 & STAT2_OUTA1) == 0 &&
843 	    (devpriv->stat2 & STAT2_FIFONHF)) {
847 	if (devpriv->stat1 & STAT1_OVERRUN) {
849 		devpriv->write_byte(dev, 0x1, ADC_FIFO_CLEAR_REG);
856 	if (devpriv->current_transfer == isa_dma_transfer)
861 	if (devpriv->stat1 & STAT1_CNTINT) {
864 		devpriv->write_byte(dev, 0x1, TIMER_CLEAR_REG);
867 	if (devpriv->stat1 & STAT1_OVERFLOW) {
869 		devpriv->write_byte(dev, 0x1, ADC_FIFO_CLEAR_REG);
877 		if (devpriv->stat2 & STAT2_OUTA1) {
885 		if (devpriv->count == 0)
897 	struct labpc_private *devpriv = dev->private;
899 	devpriv->write_byte(dev, val & 0xff, DAC_LSB_REG(chan));
900 	devpriv->write_byte(dev, (val >> 8) & 0xff, DAC_MSB_REG(chan));
911 	struct labpc_private *devpriv = dev->private;
925 	devpriv->cmd2 &= ~CMD2_LDAC(channel);
926 	devpriv->write_byte(dev, devpriv->cmd2, CMD2_REG);
933 			devpriv->cmd6 |= CMD6_DACUNI(channel);
935 			devpriv->cmd6 &= ~CMD6_DACUNI(channel);
937 		devpriv->write_byte(dev, devpriv->cmd6, CMD6_REG);
950 	struct labpc_private *devpriv = dev->private;
955 		devpriv->cmd5 &= ~CMD5_SCLK;
958 			devpriv->cmd5 |= CMD5_SDATA;
960 			devpriv->cmd5 &= ~CMD5_SDATA;
962 		devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
964 		devpriv->cmd5 |= CMD5_SCLK;
966 		devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
973 	struct labpc_private *devpriv = dev->private;
980 		devpriv->cmd5 |= CMD5_SCLK;
982 		devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
984 		devpriv->cmd5 &= ~CMD5_SCLK;
986 		devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
989 		devpriv->stat2 = devpriv->read_byte(dev, STAT2_REG);
990 		if (devpriv->stat2 & STAT2_PROMOUT)
1000 	struct labpc_private *devpriv = dev->private;
1008 	devpriv->cmd5 &= ~CMD5_EEPROMCS;
1010 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1011 	devpriv->cmd5 |= (CMD5_EEPROMCS | CMD5_WRTPRT);
1013 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1023 	devpriv->cmd5 &= ~(CMD5_EEPROMCS | CMD5_WRTPRT);
1025 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1032 	struct labpc_private *devpriv = dev->private;
1038 	devpriv->cmd5 &= ~CMD5_EEPROMCS;
1040 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1041 	devpriv->cmd5 |= (CMD5_EEPROMCS | CMD5_WRTPRT);
1043 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1051 	devpriv->cmd5 &= ~(CMD5_EEPROMCS | CMD5_WRTPRT);
1053 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1061 	struct labpc_private *devpriv = dev->private;
1067 	devpriv->cmd5 &= ~CMD5_EEPROMCS;
1069 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1070 	devpriv->cmd5 |= (CMD5_EEPROMCS | CMD5_WRTPRT);
1072 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1076 	devpriv->cmd5 &= ~CMD5_EEPROMCS;
1078 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1081 	devpriv->cmd5 |= CMD5_EEPROMCS;
1083 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1089 	devpriv->cmd5 &= ~CMD5_EEPROMCS;
1091 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1094 	devpriv->cmd5 &= ~(CMD5_EEPROMCS | CMD5_WRTPRT);
1096 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1103 	struct labpc_private *devpriv = dev->private;
1106 	devpriv->cmd5 &= ~(CMD5_CALDACLD | CMD5_EEPROMCS | CMD5_WRTPRT);
1108 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1116 	devpriv->cmd5 |= CMD5_CALDACLD;
1118 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1119 	devpriv->cmd5 &= ~CMD5_CALDACLD;
1121 	devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1195 	struct labpc_private *devpriv;
1200 	devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
1201 	if (!devpriv)
1205 		devpriv->read_byte = labpc_readb;
1206 		devpriv->write_byte = labpc_writeb;
1209 		devpriv->read_byte = labpc_inb;
1210 		devpriv->write_byte = labpc_outb;
1217 	devpriv->write_byte(dev, devpriv->cmd1, CMD1_REG);
1218 	devpriv->write_byte(dev, devpriv->cmd2, CMD2_REG);
1219 	devpriv->write_byte(dev, devpriv->cmd3, CMD3_REG);
1220 	devpriv->write_byte(dev, devpriv->cmd4, CMD4_REG);
1222 		devpriv->write_byte(dev, devpriv->cmd5, CMD5_REG);
1223 		devpriv->write_byte(dev, devpriv->cmd6, CMD6_REG);
1237 		devpriv->counter =
1244 		devpriv->counter =
1250 	if (IS_ERR(devpriv->counter))
1251 		return PTR_ERR(devpriv->counter);
1351 	struct labpc_private *devpriv = dev->private;
1353 	if (devpriv) {
1354 		if (!IS_ERR(devpriv->counter))
1355 			kfree(devpriv->counter);