src/drivers/i2c/da7219/chip.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __DRIVERS_I2C_DA7219_CHIP_H__
   4 #define __DRIVERS_I2C_DA7219_CHIP_H__
   5
   6 #include <acpi/acpi_device.h>
   7
   8 /*
   9  * Dialog Semiconductor DA7219 Audio Codec devicetree bindings
  10  * linux/Documentation/devicetree/bindings/sound/da7219.txt
  11  */
  12 struct drivers_i2c_da7219_config {
  13         /* Interrupt configuration */
  14         struct acpi_irq irq;
  15
  16         /* Use GPIO based interrupt instead of PIRQ */
  17         struct acpi_gpio irq_gpio;
  18
  19         /* I2C Bus Frequency in Hertz (default 400kHz) */
  20         unsigned int bus_speed;
  21
  22         /*
  23          * micbias-lvl : Voltage (mV) for Mic Bias
  24          * [<1600>, <1800>, <2000>, <2200>, <2400>, <2600>]
  25          */
  26         unsigned int micbias_lvl;
  27
  28         /*
  29          * mic-amp-in-sel : Mic input source type
  30          * ["diff", "se_p", "se_n"]
  31          */
  32         const char *mic_amp_in_sel;
  33
  34         /*
  35          * Properties for da7219_aad child node
  36          */
  37
  38         /*
  39          * micbias-pulse-lvl : Mic bias higher voltage pulse level (mV)
  40          * [<2800>, <2900>]
  41          */
  42         unsigned int micbias_pulse_lvl;
  43
  44         /*
  45          * micbias-pulse-time : Mic bias higher voltage pulse duration (ms)
  46          */
  47         unsigned int micbias_pulse_time;
  48
  49         /*
  50          * btn-cfg : Periodic button press measurements for 4-pole jack (ms)
  51          * [<2>, <5>, <10>, <50>, <100>, <200>, <500>]
  52          */
  53         unsigned int btn_cfg;
  54
  55         /*
  56          * mic-det-thr : Impedance threshold for mic detection measurement (Ohms)
  57          * [<200>, <500>, <750>, <1000>]
  58          */
  59         unsigned int mic_det_thr;
  60
  61         /*
  62          * jack-ins-deb : Debounce time for jack insertion (ms)
  63          * [<5>, <10>, <20>, <50>, <100>, <200>, <500>, <1000>]
  64          */
  65         unsigned int jack_ins_deb;
  66
  67         /*
  68          * jack-det-rate : Jack type detection latency (3/4 pole)
  69          * ["32ms_64ms", "64ms_128ms", "128ms_256ms", "256ms_512ms"]
  70          */
  71         const char *jack_det_rate;
  72
  73         /*
  74          * jack-rem-deb : Debounce time for jack removal (ms)
  75          * [<1>, <5>, <10>, <20>]
  76          */
  77         unsigned int jack_rem_deb;
  78
  79         /*
  80          * a-d-btn-thr : Impedance threshold between buttons A and D
  81          * [0x0 - 0xFF]
  82          */
  83         unsigned int a_d_btn_thr;
  84
  85         /*
  86          * d-b-btn-thr : Impedance threshold between buttons D and B
  87          * [0x0 - 0xFF]
  88          */
  89         unsigned int d_b_btn_thr;
  90
  91         /*
  92          * b-c-btn-thr : Impedance threshold between buttons B and C
  93          * [0x0 - 0xFF]
  94          */
  95         unsigned int b_c_btn_thr;
  96
  97         /*
  98          * c-mic-btn-thr : Impedance threshold between button C and Mic
  99          * [0x0 - 0xFF]
 100          */
 101         unsigned int c_mic_btn_thr;
 102
 103         /*
 104          * btn-avg : Number of 8-bit readings for averaged button measurement
 105          * [<1>, <2>, <4>, <8>]
 106          */
 107         unsigned int btn_avg;
 108
 109         /*
 110          * adc-1bit-rpt : Repeat count for 1-bit button measurement
 111          * [<1>, <2>, <4>, <8>]
 112          */
 113         unsigned int adc_1bit_rpt;
 114
 115         /*
 116          * mclk-name : Pass the system clk to da7219
 117          * ["name of mclk" ]
 118          */
 119         const char *mclk_name;
 120 };
 121
 122 #endif /* __DRIVERS_I2C_DA7219_CHIP_H__ */