// SPDX-License-Identifier: GPL-2.0+ /* * comedi/drivers/amplc_dio200_common.c * * Common support code for "amplc_dio200" and "amplc_dio200_pci". * * Copyright (C) 2005-2013 MEV Ltd. <https://www.mev.co.uk/> * * COMEDI - Linux Control and Measurement Device Interface * Copyright (C) 1998,2000 David A. Schleef <[email protected]> */ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/comedi/comedidev.h> #include <linux/comedi/comedi_8255.h> /* only for register defines */ #include <linux/comedi/comedi_8254.h> #include "amplc_dio200.h" /* 200 series registers */ #define DIO200_IO_SIZE … #define DIO200_PCIE_IO_SIZE … #define DIO200_CLK_SCE(x) … #define DIO200_GAT_SCE(x) … #define DIO200_INT_SCE … /* Extra registers for new PCIe boards */ #define DIO200_ENHANCE … #define DIO200_VERSION … #define DIO200_TS_CONFIG … #define DIO200_TS_COUNT … /* * Functions for constructing value for DIO_200_?CLK_SCE and * DIO_200_?GAT_SCE registers: * * 'which' is: 0 for CTR-X1, CTR-Y1, CTR-Z1; 1 for CTR-X2, CTR-Y2 or CTR-Z2. * 'chan' is the channel: 0, 1 or 2. * 'source' is the signal source: 0 to 7, or 0 to 31 for "enhanced" boards. */ static unsigned char clk_gat_sce(unsigned int which, unsigned int chan, unsigned int source) { … } /* * Periods of the internal clock sources in nanoseconds. */ static const unsigned int clock_period[32] = …; /* * Timestamp timer configuration register (for new PCIe boards). */ #define TS_CONFIG_RESET … #define TS_CONFIG_CLK_SRC_MASK … #define TS_CONFIG_MAX_CLK_SRC … /* * Periods of the timestamp timer clock sources in nanoseconds. */ static const unsigned int ts_clock_period[TS_CONFIG_MAX_CLK_SRC + 1] = …; struct dio200_subdev_8255 { … }; struct dio200_subdev_intr { … }; #ifdef CONFIG_HAS_IOPORT static unsigned char dio200___read8(struct comedi_device *dev, unsigned int offset) { … } static void dio200___write8(struct comedi_device *dev, unsigned int offset, unsigned char val) { … } static unsigned int dio200___read32(struct comedi_device *dev, unsigned int offset) { … } static void dio200___write32(struct comedi_device *dev, unsigned int offset, unsigned int val) { … } #else /* CONFIG_HAS_IOPORT */ static unsigned char dio200___read8(struct comedi_device *dev, unsigned int offset) { return readb(dev->mmio + offset); } static void dio200___write8(struct comedi_device *dev, unsigned int offset, unsigned char val) { writeb(val, dev->mmio + offset); } static unsigned int dio200___read32(struct comedi_device *dev, unsigned int offset) { return readl(dev->mmio + offset); } static void dio200___write32(struct comedi_device *dev, unsigned int offset, unsigned int val) { writel(val, dev->mmio + offset); } #endif /* CONFIG_HAS_IOPORT */ static unsigned char dio200_read8(struct comedi_device *dev, unsigned int offset) { … } static void dio200_write8(struct comedi_device *dev, unsigned int offset, unsigned char val) { … } static unsigned int dio200_read32(struct comedi_device *dev, unsigned int offset) { … } static void dio200_write32(struct comedi_device *dev, unsigned int offset, unsigned int val) { … } static unsigned int dio200_subdev_8254_offset(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int dio200_subdev_intr_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static void dio200_stop_intr(struct comedi_device *dev, struct comedi_subdevice *s) { … } static void dio200_start_intr(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int dio200_inttrig_start_intr(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int trig_num) { … } static void dio200_read_scan_intr(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int triggered) { … } static int dio200_handle_read_intr(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int dio200_subdev_intr_cancel(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int dio200_subdev_intr_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { … } static int dio200_subdev_intr_cmd(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int dio200_subdev_intr_init(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int offset, unsigned int valid_isns) { … } static irqreturn_t dio200_interrupt(int irq, void *d) { … } static void dio200_subdev_8254_set_gate_src(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int chan, unsigned int src) { … } static void dio200_subdev_8254_set_clock_src(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int chan, unsigned int src) { … } static int dio200_subdev_8254_config(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dio200_subdev_8254_init(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int offset) { … } static void dio200_subdev_8255_set_dir(struct comedi_device *dev, struct comedi_subdevice *s) { … } static int dio200_subdev_8255_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dio200_subdev_8255_config(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dio200_subdev_8255_init(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int offset) { … } static int dio200_subdev_timer_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static void dio200_subdev_timer_reset(struct comedi_device *dev, struct comedi_subdevice *s) { … } static void dio200_subdev_timer_get_clock_src(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int *src, unsigned int *period) { … } static int dio200_subdev_timer_set_clock_src(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int src) { … } static int dio200_subdev_timer_config(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } void amplc_dio200_set_enhance(struct comedi_device *dev, unsigned char val) { … } EXPORT_SYMBOL_GPL(…); int amplc_dio200_common_attach(struct comedi_device *dev, unsigned int irq, unsigned long req_irq_flags) { … } EXPORT_SYMBOL_GPL(…); static int __init amplc_dio200_common_init(void) { … } module_init(…) …; static void __exit amplc_dio200_common_exit(void) { … } module_exit(amplc_dio200_common_exit); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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