// SPDX-License-Identifier: GPL-2.0+ /* * dmm32at.c * Diamond Systems Diamond-MM-32-AT Comedi driver * * COMEDI - Linux Control and Measurement Device Interface * Copyright (C) 2000 David A. Schleef <[email protected]> */ /* * Driver: dmm32at * Description: Diamond Systems Diamond-MM-32-AT * Devices: [Diamond Systems] Diamond-MM-32-AT (dmm32at) * Author: Perry J. Piplani <[email protected]> * Updated: Fri Jun 4 09:13:24 CDT 2004 * Status: experimental * * Configuration Options: * comedi_config /dev/comedi0 dmm32at baseaddr,irq * * This driver is for the Diamond Systems MM-32-AT board * http://www.diamondsystems.com/products/diamondmm32at * * It is being used on several projects inside NASA, without * problems so far. For analog input commands, TRIG_EXT is not * yet supported. */ #include <linux/module.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/comedi/comedidev.h> #include <linux/comedi/comedi_8255.h> /* Board register addresses */ #define DMM32AT_AI_START_CONV_REG … #define DMM32AT_AI_LSB_REG … #define DMM32AT_AUX_DOUT_REG … #define DMM32AT_AUX_DOUT2 … #define DMM32AT_AUX_DOUT1 … #define DMM32AT_AUX_DOUT0 … #define DMM32AT_AI_MSB_REG … #define DMM32AT_AI_LO_CHAN_REG … #define DMM32AT_AI_HI_CHAN_REG … #define DMM32AT_AUX_DI_REG … #define DMM32AT_AUX_DI_DACBUSY … #define DMM32AT_AUX_DI_CALBUSY … #define DMM32AT_AUX_DI3 … #define DMM32AT_AUX_DI2 … #define DMM32AT_AUX_DI1 … #define DMM32AT_AUX_DI0 … #define DMM32AT_AO_LSB_REG … #define DMM32AT_AO_MSB_REG … #define DMM32AT_AO_MSB_DACH(x) … #define DMM32AT_FIFO_DEPTH_REG … #define DMM32AT_FIFO_CTRL_REG … #define DMM32AT_FIFO_CTRL_FIFOEN … #define DMM32AT_FIFO_CTRL_SCANEN … #define DMM32AT_FIFO_CTRL_FIFORST … #define DMM32AT_FIFO_STATUS_REG … #define DMM32AT_FIFO_STATUS_EF … #define DMM32AT_FIFO_STATUS_HF … #define DMM32AT_FIFO_STATUS_FF … #define DMM32AT_FIFO_STATUS_OVF … #define DMM32AT_FIFO_STATUS_FIFOEN … #define DMM32AT_FIFO_STATUS_SCANEN … #define DMM32AT_FIFO_STATUS_PAGE_MASK … #define DMM32AT_CTRL_REG … #define DMM32AT_CTRL_RESETA … #define DMM32AT_CTRL_RESETD … #define DMM32AT_CTRL_INTRST … #define DMM32AT_CTRL_PAGE(x) … #define DMM32AT_CTRL_PAGE_8254 … #define DMM32AT_CTRL_PAGE_8255 … #define DMM32AT_CTRL_PAGE_CALIB … #define DMM32AT_AI_STATUS_REG … #define DMM32AT_AI_STATUS_STS … #define DMM32AT_AI_STATUS_SD1 … #define DMM32AT_AI_STATUS_SD0 … #define DMM32AT_AI_STATUS_ADCH_MASK … #define DMM32AT_INTCLK_REG … #define DMM32AT_INTCLK_ADINT … #define DMM32AT_INTCLK_DINT … #define DMM32AT_INTCLK_TINT … #define DMM32AT_INTCLK_CLKEN … #define DMM32AT_INTCLK_CLKSEL … #define DMM32AT_CTRDIO_CFG_REG … #define DMM32AT_CTRDIO_CFG_FREQ12 … #define DMM32AT_CTRDIO_CFG_FREQ0 … #define DMM32AT_CTRDIO_CFG_OUT2EN … #define DMM32AT_CTRDIO_CFG_OUT0EN … #define DMM32AT_CTRDIO_CFG_GT0EN … #define DMM32AT_CTRDIO_CFG_SRC0 … #define DMM32AT_CTRDIO_CFG_GT12EN … #define DMM32AT_AI_CFG_REG … #define DMM32AT_AI_CFG_SCINT(x) … #define DMM32AT_AI_CFG_SCINT_20US … #define DMM32AT_AI_CFG_SCINT_15US … #define DMM32AT_AI_CFG_SCINT_10US … #define DMM32AT_AI_CFG_SCINT_5US … #define DMM32AT_AI_CFG_RANGE … #define DMM32AT_AI_CFG_ADBU … #define DMM32AT_AI_CFG_GAIN(x) … #define DMM32AT_AI_READBACK_REG … #define DMM32AT_AI_READBACK_WAIT … #define DMM32AT_AI_READBACK_RANGE … #define DMM32AT_AI_READBACK_ADBU … #define DMM32AT_AI_READBACK_GAIN_MASK … #define DMM32AT_CLK1 … #define DMM32AT_CLK2 … #define DMM32AT_CLKCT … #define DMM32AT_8255_IOBASE … /* Board register values. */ /* DMM32AT_AI_CFG_REG 0x0b */ #define DMM32AT_RANGE_U10 … #define DMM32AT_RANGE_U5 … #define DMM32AT_RANGE_B10 … #define DMM32AT_RANGE_B5 … /* DMM32AT_CLKCT 0x0f */ #define DMM32AT_CLKCT1 … #define DMM32AT_CLKCT2 … /* board AI ranges in comedi structure */ static const struct comedi_lrange dmm32at_airanges = …; /* register values for above ranges */ static const unsigned char dmm32at_rangebits[] = …; /* only one of these ranges is valid, as set by a jumper on the * board. The application should only use the range set by the jumper */ static const struct comedi_lrange dmm32at_aoranges = …; static void dmm32at_ai_set_chanspec(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int chanspec, int nchan) { … } static unsigned int dmm32at_ai_get_sample(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int dmm32at_ai_status(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned long context) { … } static int dmm32at_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dmm32at_ai_check_chanlist(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { … } static int dmm32at_ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { … } static void dmm32at_setaitimer(struct comedi_device *dev, unsigned int nansec) { … } static int dmm32at_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int dmm32at_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) { … } static irqreturn_t dmm32at_isr(int irq, void *d) { … } static int dmm32at_ao_eoc(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned long context) { … } static int dmm32at_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dmm32at_8255_io(struct comedi_device *dev, int dir, int port, int data, unsigned long regbase) { … } /* Make sure the board is there and put it to a known state */ static int dmm32at_reset(struct comedi_device *dev) { … } static int dmm32at_attach(struct comedi_device *dev, struct comedi_devconfig *it) { … } static struct comedi_driver dmm32at_driver = …; module_comedi_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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