chip.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi_device.h>
 
/*
 * Dialog Semiconductor DA7219 Audio Codec devicetree bindings
 * linux/Documentation/devicetree/bindings/sound/da7219.txt
 */
struct drivers_i2c_da7219_config {
        /* Interrupt configuration */
        struct acpi_irq irq;
 
        /* Use GPIO based interrupt instead of PIRQ */
        struct acpi_gpio irq_gpio;
 
        /* I2C Bus Frequency in Hertz (default 400kHz) */
        unsigned int bus_speed;
 
        /*
         * micbias-lvl : Voltage (mV) for Mic Bias
         * [<1600>, <1800>, <2000>, <2200>, <2400>, <2600>]
         */
        unsigned int micbias_lvl;
 
        /*
         * mic-amp-in-sel : Mic input source type
         * ["diff", "se_p", "se_n"]
         */
        const char *mic_amp_in_sel;
 
        /*
         * Properties for da7219_aad child node
         */
 
        /*
         * micbias-pulse-lvl : Mic bias higher voltage pulse level (mV)
         * [<2800>, <2900>]
         */
        unsigned int micbias_pulse_lvl;
 
        /*
         * micbias-pulse-time : Mic bias higher voltage pulse duration (ms)
         */
        unsigned int micbias_pulse_time;
 
        /*
         * btn-cfg : Periodic button press measurements for 4-pole jack (ms)
         * [<2>, <5>, <10>, <50>, <100>, <200>, <500>]
         */
        unsigned int btn_cfg;
 
        /*
         * mic-det-thr : Impedance threshold for mic detection measurement (Ohms)
         * [<200>, <500>, <750>, <1000>]
         */
        unsigned int mic_det_thr;
 
        /*
         * jack-ins-deb : Debounce time for jack insertion (ms)
         * [<5>, <10>, <20>, <50>, <100>, <200>, <500>, <1000>]
         */
        unsigned int jack_ins_deb;
 
        /*
         * jack-det-rate : Jack type detection latency (3/4 pole)
         * ["32ms_64ms", "64ms_128ms", "128ms_256ms", "256ms_512ms"]
         */
        const char *jack_det_rate;
 
        /*
         * jack-rem-deb : Debounce time for jack removal (ms)
         * [<1>, <5>, <10>, <20>]
         */
        unsigned int jack_rem_deb;
 
        /*
         * a-d-btn-thr : Impedance threshold between buttons A and D
         * [0x0 - 0xFF]
         */
        unsigned int a_d_btn_thr;
 
        /*
         * d-b-btn-thr : Impedance threshold between buttons D and B
         * [0x0 - 0xFF]
         */
        unsigned int d_b_btn_thr;
 
        /*
         * b-c-btn-thr : Impedance threshold between buttons B and C
         * [0x0 - 0xFF]
         */
        unsigned int b_c_btn_thr;
 
        /*
         * c-mic-btn-thr : Impedance threshold between button C and Mic
         * [0x0 - 0xFF]
         */
        unsigned int c_mic_btn_thr;
 
        /*
         * btn-avg : Number of 8-bit readings for averaged button measurement
         * [<1>, <2>, <4>, <8>]
         */
        unsigned int btn_avg;
 
        /*
         * adc-1bit-rpt : Repeat count for 1-bit button measurement
         * [<1>, <2>, <4>, <8>]
         */
        unsigned int adc_1bit_rpt;
 
        /*
         * mclk-name : Pass the system clk to da7219
         * ["name of mclk" ]
         */
        const char *mclk_name;
};