// SPDX-License-Identifier: GPL-2.0 /* * pcl816.c * Comedi driver for Advantech PCL-816 cards * * Author: Juan Grigera <[email protected]> * based on pcl818 by Michal Dobes <[email protected]> and bits of pcl812 */ /* * Driver: pcl816 * Description: Advantech PCL-816 cards, PCL-814 * Devices: [Advantech] PCL-816 (pcl816), PCL-814B (pcl814b) * Author: Juan Grigera <[email protected]> * Status: works * Updated: Tue, 2 Apr 2002 23:15:21 -0800 * * PCL 816 and 814B have 16 SE/DIFF ADCs, 16 DACs, 16 DI and 16 DO. * Differences are at resolution (16 vs 12 bits). * * The driver support AI command mode, other subdevices not written. * * Analog output and digital input and output are not supported. * * Configuration Options: * [0] - IO Base * [1] - IRQ (0=disable, 2, 3, 4, 5, 6, 7) * [2] - DMA (0=disable, 1, 3) * [3] - 0, 10=10MHz clock for 8254 * 1= 1MHz clock for 8254 */ #include <linux/module.h> #include <linux/gfp.h> #include <linux/delay.h> #include <linux/io.h> #include <linux/interrupt.h> #include <linux/comedi/comedidev.h> #include <linux/comedi/comedi_8254.h> #include <linux/comedi/comedi_isadma.h> /* * Register I/O map */ #define PCL816_DO_DI_LSB_REG … #define PCL816_DO_DI_MSB_REG … #define PCL816_TIMER_BASE … #define PCL816_AI_LSB_REG … #define PCL816_AI_MSB_REG … #define PCL816_RANGE_REG … #define PCL816_CLRINT_REG … #define PCL816_MUX_REG … #define PCL816_MUX_SCAN(_first, _last) … #define PCL816_CTRL_REG … #define PCL816_CTRL_SOFT_TRIG … #define PCL816_CTRL_PACER_TRIG … #define PCL816_CTRL_EXT_TRIG … #define PCL816_CTRL_POE … #define PCL816_CTRL_DMAEN … #define PCL816_CTRL_INTEN … #define PCL816_CTRL_DMASRC_SLOT(x) … #define PCL816_STATUS_REG … #define PCL816_STATUS_NEXT_CHAN_MASK … #define PCL816_STATUS_INTSRC_SLOT(x) … #define PCL816_STATUS_INTSRC_DMA … #define PCL816_STATUS_INTSRC_MASK … #define PCL816_STATUS_INTACT … #define PCL816_STATUS_DRDY … #define MAGIC_DMA_WORD … static const struct comedi_lrange range_pcl816 = …; struct pcl816_board { … }; static const struct pcl816_board boardtypes[] = …; struct pcl816_private { … }; static void pcl816_ai_setup_dma(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int unread_samples) { … } static void pcl816_ai_set_chan_range(struct comedi_device *dev, unsigned int chan, unsigned int range) { … } static void pcl816_ai_set_chan_scan(struct comedi_device *dev, unsigned int first_chan, unsigned int last_chan) { … } static void pcl816_ai_setup_chanlist(struct comedi_device *dev, unsigned int *chanlist, unsigned int seglen) { … } static void pcl816_ai_clear_eoc(struct comedi_device *dev) { … } static void pcl816_ai_soft_trig(struct comedi_device *dev) { … } static unsigned int pcl816_ai_get_sample(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int pcl816_ai_eoc(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned long context) { … } static bool pcl816_ai_next_chan(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 irqreturn_t pcl816_interrupt(int irq, void *d) { … } static int check_channel_list(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int *chanlist, unsigned int chanlen) { … } static int pcl816_ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { … } static int pcl816_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int pcl816_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int pcl816_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int pcl816_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int pcl816_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int pcl816_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static void pcl816_reset(struct comedi_device *dev) { … } static void pcl816_alloc_irq_and_dma(struct comedi_device *dev, struct comedi_devconfig *it) { … } static void pcl816_free_dma(struct comedi_device *dev) { … } static int pcl816_attach(struct comedi_device *dev, struct comedi_devconfig *it) { … } static void pcl816_detach(struct comedi_device *dev) { … } static struct comedi_driver pcl816_driver = …; module_comedi_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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