65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Analog Devices Generic AXI ADC IP core driver/library
|
|
* Link: https://wiki.analog.com/resources/fpga/docs/axi_adc_ip
|
|
*
|
|
* Copyright 2012-2020 Analog Devices Inc.
|
|
*/
|
|
#ifndef __ADI_AXI_ADC_H__
|
|
#define __ADI_AXI_ADC_H__
|
|
|
|
struct device;
|
|
struct iio_chan_spec;
|
|
|
|
/**
|
|
* struct adi_axi_adc_chip_info - Chip specific information
|
|
* @name Chip name
|
|
* @id Chip ID (usually product ID)
|
|
* @channels Channel specifications of type @struct axi_adc_chan_spec
|
|
* @num_channels Number of @channels
|
|
* @scale_table Supported scales by the chip; tuples of 2 ints
|
|
* @num_scales Number of scales in the table
|
|
* @max_rate Maximum sampling rate supported by the device
|
|
*/
|
|
struct adi_axi_adc_chip_info {
|
|
const char *name;
|
|
unsigned int id;
|
|
|
|
const struct iio_chan_spec *channels;
|
|
unsigned int num_channels;
|
|
|
|
const unsigned int (*scale_table)[2];
|
|
int num_scales;
|
|
|
|
unsigned long max_rate;
|
|
};
|
|
|
|
/**
|
|
* struct adi_axi_adc_conv - data of the ADC attached to the AXI ADC
|
|
* @chip_info chip info details for the client ADC
|
|
* @preenable_setup op to run in the client before enabling the AXI ADC
|
|
* @reg_access IIO debugfs_reg_access hook for the client ADC
|
|
* @read_raw IIO read_raw hook for the client ADC
|
|
* @write_raw IIO write_raw hook for the client ADC
|
|
*/
|
|
struct adi_axi_adc_conv {
|
|
const struct adi_axi_adc_chip_info *chip_info;
|
|
|
|
int (*preenable_setup)(struct adi_axi_adc_conv *conv);
|
|
int (*reg_access)(struct adi_axi_adc_conv *conv, unsigned int reg,
|
|
unsigned int writeval, unsigned int *readval);
|
|
int (*read_raw)(struct adi_axi_adc_conv *conv,
|
|
struct iio_chan_spec const *chan,
|
|
int *val, int *val2, long mask);
|
|
int (*write_raw)(struct adi_axi_adc_conv *conv,
|
|
struct iio_chan_spec const *chan,
|
|
int val, int val2, long mask);
|
|
};
|
|
|
|
struct adi_axi_adc_conv *devm_adi_axi_adc_conv_register(struct device *dev,
|
|
size_t sizeof_priv);
|
|
|
|
void *adi_axi_adc_conv_priv(struct adi_axi_adc_conv *conv);
|
|
|
|
#endif
|