// SPDX-License-Identifier: GPL-2.0+ /* * comedi/drivers/dt9812.c * COMEDI driver for DataTranslation DT9812 USB module * * Copyright (C) 2005 Anders Blomdell <[email protected]> * * COMEDI - Linux Control and Measurement Device Interface */ /* * Driver: dt9812 * Description: Data Translation DT9812 USB module * Devices: [Data Translation] DT9812 (dt9812) * Author: [email protected] (Anders Blomdell) * Status: in development * Updated: Sun Nov 20 20:18:34 EST 2005 * * This driver works, but bulk transfers not implemented. Might be a * starting point for someone else. I found out too late that USB has * too high latencies (>1 ms) for my needs. */ /* * Nota Bene: * 1. All writes to command pipe has to be 32 bytes (ISP1181B SHRTP=0 ?) * 2. The DDK source (as of sep 2005) is in error regarding the * input MUX bits (example code says P4, but firmware schematics * says P1). */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/errno.h> #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/comedi/comedi_usb.h> #define DT9812_DIAGS_BOARD_INFO_ADDR … #define DT9812_MAX_WRITE_CMD_PIPE_SIZE … #define DT9812_MAX_READ_CMD_PIPE_SIZE … /* usb_bulk_msg() timeout in milliseconds */ #define DT9812_USB_TIMEOUT … /* * See Silican Laboratories C8051F020/1/2/3 manual */ #define F020_SFR_P4 … #define F020_SFR_P1 … #define F020_SFR_P2 … #define F020_SFR_P3 … #define F020_SFR_AMX0CF … #define F020_SFR_AMX0SL … #define F020_SFR_ADC0CF … #define F020_SFR_ADC0L … #define F020_SFR_ADC0H … #define F020_SFR_DAC0L … #define F020_SFR_DAC0H … #define F020_SFR_DAC0CN … #define F020_SFR_DAC1L … #define F020_SFR_DAC1H … #define F020_SFR_DAC1CN … #define F020_SFR_ADC0CN … #define F020_MASK_ADC0CF_AMP0GN0 … #define F020_MASK_ADC0CF_AMP0GN1 … #define F020_MASK_ADC0CF_AMP0GN2 … #define F020_MASK_ADC0CN_AD0EN … #define F020_MASK_ADC0CN_AD0INT … #define F020_MASK_ADC0CN_AD0BUSY … #define F020_MASK_DACXCN_DACXEN … enum { … }; enum dt9812_gain { … }; enum { … }; struct dt9812_flash_data { … }; #define DT9812_MAX_NUM_MULTI_BYTE_RDS … struct dt9812_read_multi { … }; struct dt9812_write_byte { … }; #define DT9812_MAX_NUM_MULTI_BYTE_WRTS … struct dt9812_write_multi { … }; struct dt9812_rmw_byte { … }; #define DT9812_MAX_NUM_MULTI_BYTE_RMWS … struct dt9812_rmw_multi { … }; struct dt9812_usb_cmd { … }; struct dt9812_private { … }; static int dt9812_read_info(struct comedi_device *dev, int offset, void *buf, size_t buf_size) { … } static int dt9812_read_multiple_registers(struct comedi_device *dev, int reg_count, u8 *address, u8 *value) { … } static int dt9812_write_multiple_registers(struct comedi_device *dev, int reg_count, u8 *address, u8 *value) { … } static int dt9812_rmw_multiple_registers(struct comedi_device *dev, int reg_count, struct dt9812_rmw_byte *rmw) { … } static int dt9812_digital_in(struct comedi_device *dev, u8 *bits) { … } static int dt9812_digital_out(struct comedi_device *dev, u8 bits) { … } static void dt9812_configure_mux(struct comedi_device *dev, struct dt9812_rmw_byte *rmw, int channel) { … } static void dt9812_configure_gain(struct comedi_device *dev, struct dt9812_rmw_byte *rmw, enum dt9812_gain gain) { … } static int dt9812_analog_in(struct comedi_device *dev, int channel, u16 *value, enum dt9812_gain gain) { … } static int dt9812_analog_out(struct comedi_device *dev, int channel, u16 value) { … } static int dt9812_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dt9812_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dt9812_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dt9812_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dt9812_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int dt9812_find_endpoints(struct comedi_device *dev) { … } static int dt9812_reset_device(struct comedi_device *dev) { … } static int dt9812_auto_attach(struct comedi_device *dev, unsigned long context) { … } static void dt9812_detach(struct comedi_device *dev) { … } static struct comedi_driver dt9812_driver = …; static int dt9812_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { … } static const struct usb_device_id dt9812_usb_table[] = …; MODULE_DEVICE_TABLE(usb, dt9812_usb_table); static struct usb_driver dt9812_usb_driver = …; module_comedi_usb_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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