// SPDX-License-Identifier: GPL-2.0+ /* * das16.c * DAS16 driver * * COMEDI - Linux Control and Measurement Device Interface * Copyright (C) 2000 David A. Schleef <[email protected]> * Copyright (C) 2000 Chris R. Baugher <[email protected]> * Copyright (C) 2001,2002 Frank Mori Hess <[email protected]> */ /* * Driver: das16 * Description: DAS16 compatible boards * Author: Sam Moore, Warren Jasper, ds, Chris Baugher, Frank Hess, Roman Fietze * Devices: [Keithley Metrabyte] DAS-16 (das-16), DAS-16G (das-16g), * DAS-16F (das-16f), DAS-1201 (das-1201), DAS-1202 (das-1202), * DAS-1401 (das-1401), DAS-1402 (das-1402), DAS-1601 (das-1601), * DAS-1602 (das-1602), * [ComputerBoards] PC104-DAS16/JR (pc104-das16jr), * PC104-DAS16JR/16 (pc104-das16jr/16), CIO-DAS16 (cio-das16), * CIO-DAS16F (cio-das16/f), CIO-DAS16/JR (cio-das16/jr), * CIO-DAS16JR/16 (cio-das16jr/16), CIO-DAS1401/12 (cio-das1401/12), * CIO-DAS1402/12 (cio-das1402/12), CIO-DAS1402/16 (cio-das1402/16), * CIO-DAS1601/12 (cio-das1601/12), CIO-DAS1602/12 (cio-das1602/12), * CIO-DAS1602/16 (cio-das1602/16), CIO-DAS16/330 (cio-das16/330) * Status: works * Updated: 2003-10-12 * * A rewrite of the das16 and das1600 drivers. * * Options: * [0] - base io address * [1] - irq (does nothing, irq is not used anymore) * [2] - dma channel (optional, required for comedi_command support) * [3] - master clock speed in MHz (optional, 1 or 10, ignored if * board can probe clock, defaults to 1) * [4] - analog input range lowest voltage in microvolts (optional, * only useful if your board does not have software * programmable gain) * [5] - analog input range highest voltage in microvolts (optional, * only useful if board does not have software programmable * gain) * [6] - analog output range lowest voltage in microvolts (optional) * [7] - analog output range highest voltage in microvolts (optional) * * Passing a zero for an option is the same as leaving it unspecified. */ /* * Testing and debugging help provided by Daniel Koch. * * Keithley Manuals: * 2309.PDF (das16) * 4919.PDF (das1400, 1600) * 4922.PDF (das-1400) * 4923.PDF (das1200, 1400, 1600) * * Computer boards manuals also available from their website * www.measurementcomputing.com */ #include <linux/module.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/comedi/comedidev.h> #include <linux/comedi/comedi_8255.h> #include <linux/comedi/comedi_8254.h> #include <linux/comedi/comedi_isadma.h> #define DAS16_DMA_SIZE … /* * Register I/O map */ #define DAS16_TRIG_REG … #define DAS16_AI_LSB_REG … #define DAS16_AI_MSB_REG … #define DAS16_MUX_REG … #define DAS16_DIO_REG … #define DAS16_AO_LSB_REG(x) … #define DAS16_AO_MSB_REG(x) … #define DAS16_STATUS_REG … #define DAS16_STATUS_BUSY … #define DAS16_STATUS_UNIPOLAR … #define DAS16_STATUS_MUXBIT … #define DAS16_STATUS_INT … #define DAS16_CTRL_REG … #define DAS16_CTRL_INTE … #define DAS16_CTRL_IRQ(x) … #define DAS16_CTRL_DMAE … #define DAS16_CTRL_PACING_MASK … #define DAS16_CTRL_INT_PACER … #define DAS16_CTRL_EXT_PACER … #define DAS16_CTRL_SOFT_PACER … #define DAS16_PACER_REG … #define DAS16_PACER_BURST_LEN(x) … #define DAS16_PACER_CTR0 … #define DAS16_PACER_TRIG0 … #define DAS16_GAIN_REG … #define DAS16_TIMER_BASE_REG … #define DAS1600_CONV_REG … #define DAS1600_CONV_DISABLE … #define DAS1600_BURST_REG … #define DAS1600_BURST_VAL … #define DAS1600_ENABLE_REG … #define DAS1600_ENABLE_VAL … #define DAS1600_STATUS_REG … #define DAS1600_STATUS_BME … #define DAS1600_STATUS_ME … #define DAS1600_STATUS_CD … #define DAS1600_STATUS_WS … #define DAS1600_STATUS_CLK_10MHZ … static const struct comedi_lrange range_das1x01_bip = …; static const struct comedi_lrange range_das1x01_unip = …; static const struct comedi_lrange range_das1x02_bip = …; static const struct comedi_lrange range_das1x02_unip = …; static const struct comedi_lrange range_das16jr = …; static const struct comedi_lrange range_das16jr_16 = …; static const int das16jr_gainlist[] = …; static const int das16jr_16_gainlist[] = …; static const int das1600_gainlist[] = …; enum { … }; static const int *const das16_gainlists[] = …; static const struct comedi_lrange *const das16_ai_uni_lranges[] = …; static const struct comedi_lrange *const das16_ai_bip_lranges[] = …; struct das16_board { … }; static const struct das16_board das16_boards[] = …; /* * Period for timer interrupt in jiffies. It's a function * to deal with possibility of dynamic HZ patches */ static inline int timer_period(void) { … } struct das16_private_struct { … }; static void das16_ai_setup_dma(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int unread_samples) { … } static void das16_interrupt(struct comedi_device *dev) { … } static void das16_timer_interrupt(struct timer_list *t) { … } static void das16_ai_set_mux_range(struct comedi_device *dev, unsigned int first_chan, unsigned int last_chan, unsigned int range) { … } static int das16_ai_check_chanlist(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { … } static int das16_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { … } static unsigned int das16_set_pacer(struct comedi_device *dev, unsigned int ns, unsigned int flags) { … } static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int das16_cancel(struct comedi_device *dev, struct comedi_subdevice *s) { … } static void das16_ai_munge(struct comedi_device *dev, struct comedi_subdevice *s, void *array, unsigned int num_bytes, unsigned int start_chan_index) { … } static int das16_ai_eoc(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned long context) { … } static int das16_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int das16_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int das16_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int das16_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int das16_probe(struct comedi_device *dev, struct comedi_devconfig *it) { … } static void das16_reset(struct comedi_device *dev) { … } static void das16_alloc_dma(struct comedi_device *dev, unsigned int dma_chan) { … } static void das16_free_dma(struct comedi_device *dev) { … } static const struct comedi_lrange *das16_ai_range(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_devconfig *it, unsigned int pg_type, unsigned int status) { … } static const struct comedi_lrange *das16_ao_range(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_devconfig *it) { … } static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) { … } static void das16_detach(struct comedi_device *dev) { … } static struct comedi_driver das16_driver = …; module_comedi_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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