1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #ifndef __DRIVERS_I2C_SX9310_CHIP_H__ 4 #define __DRIVERS_I2C_SX9310_CHIP_H__ 5 6 #include <acpi/acpi_device.h> 7 #include <device/i2c_simple.h> 8 9 #define MAX_COMBINED_SENSORS_ENTRIES 4 10 11 enum sx9310_resolution { 12 SX9310_COARSEST = 1, 13 SX9310_VERY_COARSE, 14 SX9310_COARSE, 15 SX9310_MEDIUM_COARSE, 16 SX9310_MEDIUM, 17 SX9310_FINE, 18 SX9310_VERY_FINE, 19 SX9310_FINEST, 20 }; 21 22 struct drivers_i2c_sx9310_config { 23 /* Device Description */ 24 const char *desc; 25 26 /* ACPI _UID */ 27 unsigned int uid; 28 29 /* Bus speed in Hz, default is I2C_SPEED_FAST */ 30 enum i2c_speed speed; 31 32 /* Use GPIO-based interrupt instead of IO-APIC */ 33 struct acpi_gpio irq_gpio; 34 35 /* IO-APIC interrupt */ 36 struct acpi_irq irq; 37 38 /* 39 * Registers definition in the kernel source tree at: 40 * Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml 41 */ 42 43 /* When true, cs0 is the ground. 0 [default] is false. */ 44 uint32_t cs0_ground; 45 46 /* Sensor used for start-up proximity detection: Default 0. */ 47 uint32_t startup_sensor; 48 49 /* Raw Proximity filter strength: When not set, disabled. */ 50 uint32_t proxraw_strength; 51 52 /* Average Proximity filter strength: When not set, disabled. */ 53 uint32_t avg_pos_strength; 54 55 /* 56 * List of which sensors are combined and represented by CS3. 57 * Could be standalone (3) or combination of 0, 1, 2, 3. 58 * Driver default: CS0 + CS1. 59 */ 60 uint32_t combined_sensors_count; 61 uint32_t combined_sensors[MAX_COMBINED_SENSORS_ENTRIES]; 62 63 /* Capacitance measure resolution. Driver default: "finest". */ 64 enum sx9310_resolution resolution; 65 }; 66 67 #endif /* __DRIVERS_I2C_SX9310_CHIP_H__ */ 68