chip.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef __DRIVERS_I2C_SX9310_CHIP_H__
#define __DRIVERS_I2C_SX9310_CHIP_H__
 
#include <acpi/acpi_device.h>
#include <device/i2c_simple.h>
 
#define MAX_COMBINED_SENSORS_ENTRIES 4
 
enum sx9310_resolution {
        SX9310_COARSEST = 1,
        SX9310_VERY_COARSE,
        SX9310_COARSE,
        SX9310_MEDIUM_COARSE,
        SX9310_MEDIUM,
        SX9310_FINE,
        SX9310_VERY_FINE,
        SX9310_FINEST,
};
 
struct drivers_i2c_sx9310_config {
        /* Device Description */
        const char *desc;
 
        /* ACPI _UID */
        unsigned int uid;
 
        /* Bus speed in Hz, default is I2C_SPEED_FAST */
        enum i2c_speed speed;
 
        /* Use GPIO-based interrupt instead of IO-APIC */
        struct acpi_gpio irq_gpio;
 
        /* IO-APIC interrupt */
        struct acpi_irq irq;
 
        /*
         * Registers definition in the kernel source tree at:
         * Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml
         */
 
        /* When true, cs0 is the ground. 0 [default] is false. */
        uint32_t cs0_ground;
 
        /* Sensor used for start-up proximity detection: Default 0. */
        uint32_t startup_sensor;
 
        /* Raw Proximity filter strength: When not set, disabled. */
        uint32_t proxraw_strength;
 
        /* Average Proximity filter strength: When not set, disabled. */
        uint32_t avg_pos_strength;
 
        /*
         * List of which sensors are combined and represented by CS3.
         * Could be standalone (3) or combination of 0, 1, 2, 3.
         * Driver default: CS0 + CS1.
         */
        uint32_t combined_sensors_count;
        uint32_t combined_sensors[MAX_COMBINED_SENSORS_ENTRIES];
 
        /* Capacitance measure resolution. Driver default: "finest". */
        enum sx9310_resolution resolution;
};
 
#endif /* __DRIVERS_I2C_SX9310_CHIP_H__ */