// SPDX-License-Identifier: GPL-2.0 /* * comedi/drivers/pcl812.c * * Author: Michal Dobes <[email protected]> * * hardware driver for Advantech cards * card: PCL-812, PCL-812PG, PCL-813, PCL-813B * driver: pcl812, pcl812pg, pcl813, pcl813b * and for ADlink cards * card: ACL-8112DG, ACL-8112HG, ACL-8112PG, ACL-8113, ACL-8216 * driver: acl8112dg, acl8112hg, acl8112pg, acl8113, acl8216 * and for ICP DAS cards * card: ISO-813, A-821PGH, A-821PGL, A-821PGL-NDA, A-822PGH, A-822PGL, * driver: iso813, a821pgh, a-821pgl, a-821pglnda, a822pgh, a822pgl, * card: A-823PGH, A-823PGL, A-826PG * driver: a823pgh, a823pgl, a826pg */ /* * Driver: pcl812 * Description: Advantech PCL-812/PG, PCL-813/B, * ADLink ACL-8112DG/HG/PG, ACL-8113, ACL-8216, * ICP DAS A-821PGH/PGL/PGL-NDA, A-822PGH/PGL, A-823PGH/PGL, A-826PG, * ICP DAS ISO-813 * Author: Michal Dobes <[email protected]> * Devices: [Advantech] PCL-812 (pcl812), PCL-812PG (pcl812pg), * PCL-813 (pcl813), PCL-813B (pcl813b), [ADLink] ACL-8112DG (acl8112dg), * ACL-8112HG (acl8112hg), ACL-8113 (acl-8113), ACL-8216 (acl8216), * [ICP] ISO-813 (iso813), A-821PGH (a821pgh), A-821PGL (a821pgl), * A-821PGL-NDA (a821pclnda), A-822PGH (a822pgh), A-822PGL (a822pgl), * A-823PGH (a823pgh), A-823PGL (a823pgl), A-826PG (a826pg) * Updated: Mon, 06 Aug 2007 12:03:15 +0100 * Status: works (I hope. My board fire up under my hands * and I cann't test all features.) * * This driver supports insn and cmd interfaces. Some boards support only insn * because their hardware don't allow more (PCL-813/B, ACL-8113, ISO-813). * Data transfer over DMA is supported only when you measure only one * channel, this is too hardware limitation of these boards. * * Options for PCL-812: * [0] - IO Base * [1] - IRQ (0=disable, 2, 3, 4, 5, 6, 7; 10, 11, 12, 14, 15) * [2] - DMA (0=disable, 1, 3) * [3] - 0=trigger source is internal 8253 with 2MHz clock * 1=trigger source is external * [4] - 0=A/D input range is +/-10V * 1=A/D input range is +/-5V * 2=A/D input range is +/-2.5V * 3=A/D input range is +/-1.25V * 4=A/D input range is +/-0.625V * 5=A/D input range is +/-0.3125V * [5] - 0=D/A outputs 0-5V (internal reference -5V) * 1=D/A outputs 0-10V (internal reference -10V) * 2=D/A outputs unknown (external reference) * * Options for PCL-812PG, ACL-8112PG: * [0] - IO Base * [1] - IRQ (0=disable, 2, 3, 4, 5, 6, 7; 10, 11, 12, 14, 15) * [2] - DMA (0=disable, 1, 3) * [3] - 0=trigger source is internal 8253 with 2MHz clock * 1=trigger source is external * [4] - 0=A/D have max +/-5V input * 1=A/D have max +/-10V input * [5] - 0=D/A outputs 0-5V (internal reference -5V) * 1=D/A outputs 0-10V (internal reference -10V) * 2=D/A outputs unknown (external reference) * * Options for ACL-8112DG/HG, A-822PGL/PGH, A-823PGL/PGH, ACL-8216, A-826PG: * [0] - IO Base * [1] - IRQ (0=disable, 2, 3, 4, 5, 6, 7; 10, 11, 12, 14, 15) * [2] - DMA (0=disable, 1, 3) * [3] - 0=trigger source is internal 8253 with 2MHz clock * 1=trigger source is external * [4] - 0=A/D channels are S.E. * 1=A/D channels are DIFF * [5] - 0=D/A outputs 0-5V (internal reference -5V) * 1=D/A outputs 0-10V (internal reference -10V) * 2=D/A outputs unknown (external reference) * * Options for A-821PGL/PGH: * [0] - IO Base * [1] - IRQ (0=disable, 2, 3, 4, 5, 6, 7) * [2] - 0=A/D channels are S.E. * 1=A/D channels are DIFF * [3] - 0=D/A output 0-5V (internal reference -5V) * 1=D/A output 0-10V (internal reference -10V) * * Options for A-821PGL-NDA: * [0] - IO Base * [1] - IRQ (0=disable, 2, 3, 4, 5, 6, 7) * [2] - 0=A/D channels are S.E. * 1=A/D channels are DIFF * * Options for PCL-813: * [0] - IO Base * * Options for PCL-813B: * [0] - IO Base * [1] - 0= bipolar inputs * 1= unipolar inputs * * Options for ACL-8113, ISO-813: * [0] - IO Base * [1] - 0= 10V bipolar inputs * 1= 10V unipolar inputs * 2= 20V bipolar inputs * 3= 20V unipolar inputs */ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/gfp.h> #include <linux/delay.h> #include <linux/io.h> #include <linux/comedi/comedidev.h> #include <linux/comedi/comedi_8254.h> #include <linux/comedi/comedi_isadma.h> /* * Register I/O map */ #define PCL812_TIMER_BASE … #define PCL812_AI_LSB_REG … #define PCL812_AI_MSB_REG … #define PCL812_AI_MSB_DRDY … #define PCL812_AO_LSB_REG(x) … #define PCL812_AO_MSB_REG(x) … #define PCL812_DI_LSB_REG … #define PCL812_DI_MSB_REG … #define PCL812_STATUS_REG … #define PCL812_STATUS_DRDY … #define PCL812_RANGE_REG … #define PCL812_MUX_REG … #define PCL812_MUX_CHAN(x) … #define PCL812_MUX_CS0 … #define PCL812_MUX_CS1 … #define PCL812_CTRL_REG … #define PCL812_CTRL_TRIG(x) … #define PCL812_CTRL_DISABLE_TRIG … #define PCL812_CTRL_SOFT_TRIG … #define PCL812_CTRL_PACER_DMA_TRIG … #define PCL812_CTRL_PACER_EOC_TRIG … #define PCL812_SOFTTRIG_REG … #define PCL812_DO_LSB_REG … #define PCL812_DO_MSB_REG … #define MAX_CHANLIST_LEN … static const struct comedi_lrange range_pcl812pg_ai = …; static const struct comedi_lrange range_pcl812pg2_ai = …; static const struct comedi_lrange range812_bipolar1_25 = …; static const struct comedi_lrange range812_bipolar0_625 = …; static const struct comedi_lrange range812_bipolar0_3125 = …; static const struct comedi_lrange range_pcl813b_ai = …; static const struct comedi_lrange range_pcl813b2_ai = …; static const struct comedi_lrange range_iso813_1_ai = …; static const struct comedi_lrange range_iso813_1_2_ai = …; static const struct comedi_lrange range_iso813_2_ai = …; static const struct comedi_lrange range_iso813_2_2_ai = …; static const struct comedi_lrange range_acl8113_1_ai = …; static const struct comedi_lrange range_acl8113_1_2_ai = …; static const struct comedi_lrange range_acl8113_2_ai = …; static const struct comedi_lrange range_acl8113_2_2_ai = …; static const struct comedi_lrange range_acl8112dg_ai = …; static const struct comedi_lrange range_acl8112hg_ai = …; static const struct comedi_lrange range_a821pgh_ai = …; enum pcl812_boardtype { … }; struct pcl812_board { … }; static const struct pcl812_board boardtypes[] = …; struct pcl812_private { … }; static void pcl812_ai_setup_dma(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int unread_samples) { … } static void pcl812_ai_set_chan_range(struct comedi_device *dev, unsigned int chanspec, char wait) { … } static void pcl812_ai_clear_eoc(struct comedi_device *dev) { … } static void pcl812_ai_soft_trig(struct comedi_device *dev) { … } static unsigned int pcl812_ai_get_sample(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int pcl812_ai_eoc(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned long context) { … } static int pcl812_ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { … } static int pcl812_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) { … } static bool pcl812_ai_next_chan(struct comedi_device *dev, struct comedi_subdevice *s) { … } static void pcl812_handle_eoc(struct comedi_device *dev, struct comedi_subdevice *s) { … } static void transfer_from_dma_buf(struct comedi_device *dev, struct comedi_subdevice *s, unsigned short *ptr, unsigned int bufptr, unsigned int len) { … } static void pcl812_handle_dma(struct comedi_device *dev, struct comedi_subdevice *s) { … } static irqreturn_t pcl812_interrupt(int irq, void *d) { … } static int pcl812_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int pcl812_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int pcl812_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int pcl812_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int pcl812_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int pcl812_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static void pcl812_reset(struct comedi_device *dev) { … } static void pcl812_set_ai_range_table(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_devconfig *it) { … } static void pcl812_alloc_dma(struct comedi_device *dev, unsigned int dma_chan) { … } static void pcl812_free_dma(struct comedi_device *dev) { … } static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it) { … } static void pcl812_detach(struct comedi_device *dev) { … } static struct comedi_driver pcl812_driver = …; module_comedi_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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