// SPDX-License-Identifier: GPL-2.0
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/fixp-arith.h>
#include <linux/iio/adc/qcom-vadc-common.h>
#include <linux/math64.h>
#include <linux/log2.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/units.h>
/**
* struct vadc_map_pt - Map the graph representation for ADC channel
* @x: Represent the ADC digitized code.
* @y: Represent the physical data which can be temperature, voltage,
* resistance.
*/
struct vadc_map_pt {
s32 x;
s32 y;
};
/* Voltage to temperature */
static const struct vadc_map_pt adcmap_100k_104ef_104fb[] = {
{1758 , -40000 },
{1742 , -35000 },
{1719 , -30000 },
{1691 , -25000 },
{1654 , -20000 },
{1608 , -15000 },
{1551 , -10000 },
{1483 , -5000 },
{1404 , 0 },
{1315 , 5000 },
{1218 , 10000 },
{1114 , 15000 },
{1007 , 20000 },
{900 , 25000 },
{795 , 30000 },
{696 , 35000 },
{605 , 40000 },
{522 , 45000 },
{448 , 50000 },
{383 , 55000 },
{327 , 60000 },
{278 , 65000 },
{237 , 70000 },
{202 , 75000 },
{172 , 80000 },
{146 , 85000 },
{125 , 90000 },
{107 , 95000 },
{92 , 100000 },
{79 , 105000 },
{68 , 110000 },
{59 , 115000 },
{51 , 120000 },
{44 , 125000 }
};
/*
* Voltage to temperature table for 100k pull up for NTCG104EF104 with
* 1.875V reference.
*/
static const struct vadc_map_pt adcmap_100k_104ef_104fb_1875_vref[] = {
{ 1831 , -40000 },
{ 1814 , -35000 },
{ 1791 , -30000 },
{ 1761 , -25000 },
{ 1723 , -20000 },
{ 1675 , -15000 },
{ 1616 , -10000 },
{ 1545 , -5000 },
{ 1463 , 0 },
{ 1370 , 5000 },
{ 1268 , 10000 },
{ 1160 , 15000 },
{ 1049 , 20000 },
{ 937 , 25000 },
{ 828 , 30000 },
{ 726 , 35000 },
{ 630 , 40000 },
{ 544 , 45000 },
{ 467 , 50000 },
{ 399 , 55000 },
{ 340 , 60000 },
{ 290 , 65000 },
{ 247 , 70000 },
{ 209 , 75000 },
{ 179 , 80000 },
{ 153 , 85000 },
{ 130 , 90000 },
{ 112 , 95000 },
{ 96 , 100000 },
{ 82 , 105000 },
{ 71 , 110000 },
{ 62 , 115000 },
{ 53 , 120000 },
{ 46 , 125000 },
};
static const struct vadc_map_pt adcmap7_die_temp[] = {
{ 857300 , 160000 },
{ 820100 , 140000 },
{ 782500 , 120000 },
{ 744600 , 100000 },
{ 706400 , 80000 },
{ 667900 , 60000 },
{ 629300 , 40000 },
{ 590500 , 20000 },
{ 551500 , 0 },
{ 512400 , -20000 },
{ 473100 , -40000 },
{ 433700 , -60000 },
};
/*
* Resistance to temperature table for 100k pull up for NTCG104EF104.
*/
static const struct vadc_map_pt adcmap7_100k[] = {
{ 4250657 , -40960 },
{ 3962085 , -39936 },
{ 3694875 , -38912 },
{ 3447322 , -37888 },
{ 3217867 , -36864 },
{ 3005082 , -35840 },
{ 2807660 , -34816 },
{ 2624405 , -33792 },
{ 2454218 , -32768 },
{ 2296094 , -31744 },
{ 2149108 , -30720 },
{ 2012414 , -29696 },
{ 1885232 , -28672 },
{ 1766846 , -27648 },
{ 1656598 , -26624 },
{ 1553884 , -25600 },
{ 1458147 , -24576 },
{ 1368873 , -23552 },
{ 1285590 , -22528 },
{ 1207863 , -21504 },
{ 1135290 , -20480 },
{ 1067501 , -19456 },
{ 1004155 , -18432 },
{ 944935 , -17408 },
{ 889550 , -16384 },
{ 837731 , -15360 },
{ 789229 , -14336 },
{ 743813 , -13312 },
{ 701271 , -12288 },
{ 661405 , -11264 },
{ 624032 , -10240 },
{ 588982 , -9216 },
{ 556100 , -8192 },
{ 525239 , -7168 },
{ 496264 , -6144 },
{ 469050 , -5120 },
{ 443480 , -4096 },
{ 419448 , -3072 },
{ 396851 , -2048 },
{ 375597 , -1024 },
{ 355598 , 0 },
{ 336775 , 1024 },
{ 319052 , 2048 },
{ 302359 , 3072 },
{ 286630 , 4096 },
{ 271806 , 5120 },
{ 257829 , 6144 },
{ 244646 , 7168 },
{ 232209 , 8192 },
{ 220471 , 9216 },
{ 209390 , 10240 },
{ 198926 , 11264 },
{ 189040 , 12288 },
{ 179698 , 13312 },
{ 170868 , 14336 },
{ 162519 , 15360 },
{ 154622 , 16384 },
{ 147150 , 17408 },
{ 140079 , 18432 },
{ 133385 , 19456 },
{ 127046 , 20480 },
{ 121042 , 21504 },
{ 115352 , 22528 },
{ 109960 , 23552 },
{ 104848 , 24576 },
{ 100000 , 25600 },
{ 95402 , 26624 },
{ 91038 , 27648 },
{ 86897 , 28672 },
{ 82965 , 29696 },
{ 79232 , 30720 },
{ 75686 , 31744 },
{ 72316 , 32768 },
{ 69114 , 33792 },
{ 66070 , 34816 },
{ 63176 , 35840 },
{ 60423 , 36864 },
{ 57804 , 37888 },
{ 55312 , 38912 },
{ 52940 , 39936 },
{ 50681 , 40960 },
{ 48531 , 41984 },
{ 46482 , 43008 },
{ 44530 , 44032 },
{ 42670 , 45056 },
{ 40897 , 46080 },
{ 39207 , 47104 },
{ 37595 , 48128 },
{ 36057 , 49152 },
{ 34590 , 50176 },
{ 33190 , 51200 },
{ 31853 , 52224 },
{ 30577 , 53248 },
{ 29358 , 54272 },
{ 28194 , 55296 },
{ 27082 , 56320 },
{ 26020 , 57344 },
{ 25004 , 58368 },
{ 24033 , 59392 },
{ 23104 , 60416 },
{ 22216 , 61440 },
{ 21367 , 62464 },
{ 20554 , 63488 },
{ 19776 , 64512 },
{ 19031 , 65536 },
{ 18318 , 66560 },
{ 17636 , 67584 },
{ 16982 , 68608 },
{ 16355 , 69632 },
{ 15755 , 70656 },
{ 15180 , 71680 },
{ 14628 , 72704 },
{ 14099 , 73728 },
{ 13592 , 74752 },
{ 13106 , 75776 },
{ 12640 , 76800 },
{ 12192 , 77824 },
{ 11762 , 78848 },
{ 11350 , 79872 },
{ 10954 , 80896 },
{ 10574 , 81920 },
{ 10209 , 82944 },
{ 9858 , 83968 },
{ 9521 , 84992 },
{ 9197 , 86016 },
{ 8886 , 87040 },
{ 8587 , 88064 },
{ 8299 , 89088 },
{ 8023 , 90112 },
{ 7757 , 91136 },
{ 7501 , 92160 },
{ 7254 , 93184 },
{ 7017 , 94208 },
{ 6789 , 95232 },
{ 6570 , 96256 },
{ 6358 , 97280 },
{ 6155 , 98304 },
{ 5959 , 99328 },
{ 5770 , 100352 },
{ 5588 , 101376 },
{ 5412 , 102400 },
{ 5243 , 103424 },
{ 5080 , 104448 },
{ 4923 , 105472 },
{ 4771 , 106496 },
{ 4625 , 107520 },
{ 4484 , 108544 },
{ 4348 , 109568 },
{ 4217 , 110592 },
{ 4090 , 111616 },
{ 3968 , 112640 },
{ 3850 , 113664 },
{ 3736 , 114688 },
{ 3626 , 115712 },
{ 3519 , 116736 },
{ 3417 , 117760 },
{ 3317 , 118784 },
{ 3221 , 119808 },
{ 3129 , 120832 },
{ 3039 , 121856 },
{ 2952 , 122880 },
{ 2868 , 123904 },
{ 2787 , 124928 },
{ 2709 , 125952 },
{ 2633 , 126976 },
{ 2560 , 128000 },
{ 2489 , 129024 },
{ 2420 , 130048 }
};
static const struct u32_fract adc5_prescale_ratios[] = {
{ .numerator = 1 , .denominator = 1 },
{ .numerator = 1 , .denominator = 3 },
{ .numerator = 1 , .denominator = 4 },
{ .numerator = 1 , .denominator = 6 },
{ .numerator = 1 , .denominator = 20 },
{ .numerator = 1 , .denominator = 8 },
{ .numerator = 10 , .denominator = 81 },
{ .numerator = 1 , .denominator = 10 },
{ .numerator = 1 , .denominator = 16 },
};
static int qcom_vadc_scale_hw_calib_volt(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_uv);
static int qcom_vadc_scale_hw_calib_therm(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec);
static int qcom_vadc7_scale_hw_calib_therm(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec);
static int qcom_vadc_scale_hw_smb_temp(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec);
static int qcom_vadc_scale_hw_chg5_temp(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec);
static int qcom_vadc_scale_hw_calib_die_temp(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec);
static int qcom_vadc7_scale_hw_calib_die_temp(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec);
static const struct qcom_adc5_scale_type scale_adc5_fn[] = {
[SCALE_HW_CALIB_DEFAULT] = {qcom_vadc_scale_hw_calib_volt},
[SCALE_HW_CALIB_THERM_100K_PULLUP] = {qcom_vadc_scale_hw_calib_therm},
[SCALE_HW_CALIB_XOTHERM] = {qcom_vadc_scale_hw_calib_therm},
[SCALE_HW_CALIB_THERM_100K_PU_PM7] = {
qcom_vadc7_scale_hw_calib_therm},
[SCALE_HW_CALIB_PMIC_THERM] = {qcom_vadc_scale_hw_calib_die_temp},
[SCALE_HW_CALIB_PMIC_THERM_PM7] = {
qcom_vadc7_scale_hw_calib_die_temp},
[SCALE_HW_CALIB_PM5_CHG_TEMP] = {qcom_vadc_scale_hw_chg5_temp},
[SCALE_HW_CALIB_PM5_SMB_TEMP] = {qcom_vadc_scale_hw_smb_temp},
};
static int qcom_vadc_map_voltage_temp(const struct vadc_map_pt *pts,
u32 tablesize, s32 input, int *output)
{
u32 i = 0 ;
if (!pts)
return -EINVAL;
while (i < tablesize && pts[i].x > input)
i++;
if (i == 0 ) {
*output = pts[0 ].y;
} else if (i == tablesize) {
*output = pts[tablesize - 1 ].y;
} else {
/* interpolate linearly */
*output = fixp_linear_interpolate(pts[i - 1 ].x, pts[i - 1 ].y,
pts[i].x, pts[i].y,
input);
}
return 0 ;
}
static s32 qcom_vadc_map_temp_voltage(const struct vadc_map_pt *pts,
u32 tablesize, int input)
{
u32 i = 0 ;
/*
* Table must be sorted, find the interval of 'y' which contains value
* 'input' and map it to proper 'x' value
*/
while (i < tablesize && pts[i].y < input)
i++;
if (i == 0 )
return pts[0 ].x;
if (i == tablesize)
return pts[tablesize - 1 ].x;
/* interpolate linearly */
return fixp_linear_interpolate(pts[i - 1 ].y, pts[i - 1 ].x,
pts[i].y, pts[i].x, input);
}
static void qcom_vadc_scale_calib(const struct vadc_linear_graph *calib_graph,
u16 adc_code,
bool absolute,
s64 *scale_voltage)
{
*scale_voltage = (adc_code - calib_graph->gnd);
*scale_voltage *= calib_graph->dx;
*scale_voltage = div64_s64(*scale_voltage, calib_graph->dy);
if (absolute)
*scale_voltage += calib_graph->dx;
if (*scale_voltage < 0 )
*scale_voltage = 0 ;
}
static int qcom_vadc_scale_volt(const struct vadc_linear_graph *calib_graph,
const struct u32_fract *prescale,
bool absolute, u16 adc_code,
int *result_uv)
{
s64 voltage = 0 , result = 0 ;
qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
voltage *= prescale->denominator;
result = div64_s64(voltage, prescale->numerator);
*result_uv = result;
return 0 ;
}
static int qcom_vadc_scale_therm(const struct vadc_linear_graph *calib_graph,
const struct u32_fract *prescale,
bool absolute, u16 adc_code,
int *result_mdec)
{
s64 voltage = 0 ;
int ret;
qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
if (absolute)
voltage = div64_s64(voltage, 1000 );
ret = qcom_vadc_map_voltage_temp(adcmap_100k_104ef_104fb,
ARRAY_SIZE(adcmap_100k_104ef_104fb),
voltage, result_mdec);
if (ret)
return ret;
return 0 ;
}
static int qcom_vadc_scale_die_temp(const struct vadc_linear_graph *calib_graph,
const struct u32_fract *prescale,
bool absolute,
u16 adc_code, int *result_mdec)
{
s64 voltage = 0 ;
u64 temp; /* Temporary variable for do_div */
qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
if (voltage > 0 ) {
temp = voltage * prescale->denominator;
do_div(temp, prescale->numerator * 2 );
voltage = temp;
} else {
voltage = 0 ;
}
*result_mdec = milli_kelvin_to_millicelsius(voltage);
return 0 ;
}
static int qcom_vadc_scale_chg_temp(const struct vadc_linear_graph *calib_graph,
const struct u32_fract *prescale,
bool absolute,
u16 adc_code, int *result_mdec)
{
s64 voltage = 0 , result = 0 ;
qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
voltage *= prescale->denominator;
voltage = div64_s64(voltage, prescale->numerator);
voltage = ((PMI_CHG_SCALE_1) * (voltage * 2 ));
voltage = (voltage + PMI_CHG_SCALE_2);
result = div64_s64(voltage, 1000000 );
*result_mdec = result;
return 0 ;
}
/* convert voltage to ADC code, using 1.875V reference */
static u16 qcom_vadc_scale_voltage_code(s32 voltage,
const struct u32_fract *prescale,
const u32 full_scale_code_volt,
unsigned int factor)
{
s64 volt = voltage;
s64 adc_vdd_ref_mv = 1875 ; /* reference voltage */
volt *= prescale->numerator * factor * full_scale_code_volt;
volt = div64_s64(volt, (s64)prescale->denominator * adc_vdd_ref_mv * 1000 );
return volt;
}
static int qcom_vadc_scale_code_voltage_factor(u16 adc_code,
const struct u32_fract *prescale,
const struct adc5_data *data,
unsigned int factor)
{
s64 voltage, temp, adc_vdd_ref_mv = 1875 ;
/*
* The normal data range is between 0V to 1.875V. On cases where
* we read low voltage values, the ADC code can go beyond the
* range and the scale result is incorrect so we clamp the values
* for the cases where the code represents a value below 0V
*/
if (adc_code > VADC5_MAX_CODE)
adc_code = 0 ;
/* (ADC code * vref_vadc (1.875V)) / full_scale_code */
voltage = (s64) adc_code * adc_vdd_ref_mv * 1000 ;
voltage = div64_s64(voltage, data->full_scale_code_volt);
if (voltage > 0 ) {
voltage *= prescale->denominator;
temp = prescale->numerator * factor;
voltage = div64_s64(voltage, temp);
} else {
voltage = 0 ;
}
return (int ) voltage;
}
static int qcom_vadc7_scale_hw_calib_therm(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
s64 resistance = adc_code;
int ret, result;
if (adc_code >= RATIO_MAX_ADC7)
return -EINVAL;
/* (ADC code * R_PULLUP (100Kohm)) / (full_scale_code - ADC code)*/
resistance *= R_PU_100K;
resistance = div64_s64(resistance, RATIO_MAX_ADC7 - adc_code);
ret = qcom_vadc_map_voltage_temp(adcmap7_100k,
ARRAY_SIZE(adcmap7_100k),
resistance, &result);
if (ret)
return ret;
*result_mdec = result;
return 0 ;
}
static int qcom_vadc_scale_hw_calib_volt(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_uv)
{
*result_uv = qcom_vadc_scale_code_voltage_factor(adc_code,
prescale, data, 1 );
return 0 ;
}
static int qcom_vadc_scale_hw_calib_therm(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
int voltage;
voltage = qcom_vadc_scale_code_voltage_factor(adc_code,
prescale, data, 1000 );
/* Map voltage to temperature from look-up table */
return qcom_vadc_map_voltage_temp(adcmap_100k_104ef_104fb_1875_vref,
ARRAY_SIZE(adcmap_100k_104ef_104fb_1875_vref),
voltage, result_mdec);
}
static int qcom_vadc_scale_hw_calib_die_temp(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
*result_mdec = qcom_vadc_scale_code_voltage_factor(adc_code,
prescale, data, 2 );
*result_mdec = milli_kelvin_to_millicelsius(*result_mdec);
return 0 ;
}
static int qcom_vadc7_scale_hw_calib_die_temp(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
int voltage;
voltage = qcom_vadc_scale_code_voltage_factor(adc_code,
prescale, data, 1 );
return qcom_vadc_map_voltage_temp(adcmap7_die_temp, ARRAY_SIZE(adcmap7_die_temp),
voltage, result_mdec);
}
static int qcom_vadc_scale_hw_smb_temp(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
*result_mdec = qcom_vadc_scale_code_voltage_factor(adc_code * 100 ,
prescale, data, PMIC5_SMB_TEMP_SCALE_FACTOR);
*result_mdec = PMIC5_SMB_TEMP_CONSTANT - *result_mdec;
return 0 ;
}
static int qcom_vadc_scale_hw_chg5_temp(
const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
*result_mdec = qcom_vadc_scale_code_voltage_factor(adc_code,
prescale, data, 4 );
*result_mdec = PMIC5_CHG_TEMP_SCALE_FACTOR - *result_mdec;
return 0 ;
}
int qcom_vadc_scale(enum vadc_scale_fn_type scaletype,
const struct vadc_linear_graph *calib_graph,
const struct u32_fract *prescale,
bool absolute,
u16 adc_code, int *result)
{
switch (scaletype) {
case SCALE_DEFAULT:
return qcom_vadc_scale_volt(calib_graph, prescale,
absolute, adc_code,
result);
case SCALE_THERM_100K_PULLUP:
case SCALE_XOTHERM:
return qcom_vadc_scale_therm(calib_graph, prescale,
absolute, adc_code,
result);
case SCALE_PMIC_THERM:
return qcom_vadc_scale_die_temp(calib_graph, prescale,
absolute, adc_code,
result);
case SCALE_PMI_CHG_TEMP:
return qcom_vadc_scale_chg_temp(calib_graph, prescale,
absolute, adc_code,
result);
default :
return -EINVAL;
}
}
EXPORT_SYMBOL(qcom_vadc_scale);
u16 qcom_adc_tm5_temp_volt_scale(unsigned int prescale_ratio,
u32 full_scale_code_volt, int temp)
{
const struct u32_fract *prescale = &adc5_prescale_ratios[prescale_ratio];
s32 voltage;
voltage = qcom_vadc_map_temp_voltage(adcmap_100k_104ef_104fb_1875_vref,
ARRAY_SIZE(adcmap_100k_104ef_104fb_1875_vref),
temp);
return qcom_vadc_scale_voltage_code(voltage, prescale, full_scale_code_volt, 1000 );
}
EXPORT_SYMBOL(qcom_adc_tm5_temp_volt_scale);
u16 qcom_adc_tm5_gen2_temp_res_scale(int temp)
{
int64_t resistance;
resistance = qcom_vadc_map_temp_voltage(adcmap7_100k,
ARRAY_SIZE(adcmap7_100k), temp);
return div64_s64(resistance * RATIO_MAX_ADC7, resistance + R_PU_100K);
}
EXPORT_SYMBOL(qcom_adc_tm5_gen2_temp_res_scale);
int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype,
unsigned int prescale_ratio,
const struct adc5_data *data,
u16 adc_code, int *result)
{
const struct u32_fract *prescale = &adc5_prescale_ratios[prescale_ratio];
if (!(scaletype >= SCALE_HW_CALIB_DEFAULT &&
scaletype < SCALE_HW_CALIB_INVALID)) {
pr_err("Invalid scale type %d\n" , scaletype);
return -EINVAL;
}
return scale_adc5_fn[scaletype].scale_fn(prescale, data,
adc_code, result);
}
EXPORT_SYMBOL(qcom_adc5_hw_scale);
int qcom_adc5_prescaling_from_dt(u32 numerator, u32 denominator)
{
unsigned int pre;
for (pre = 0 ; pre < ARRAY_SIZE(adc5_prescale_ratios); pre++)
if (adc5_prescale_ratios[pre].numerator == numerator &&
adc5_prescale_ratios[pre].denominator == denominator)
break ;
if (pre == ARRAY_SIZE(adc5_prescale_ratios))
return -EINVAL;
return pre;
}
EXPORT_SYMBOL(qcom_adc5_prescaling_from_dt);
int qcom_adc5_hw_settle_time_from_dt(u32 value,
const unsigned int *hw_settle)
{
unsigned int i;
for (i = 0 ; i < VADC_HW_SETTLE_SAMPLES_MAX; i++) {
if (value == hw_settle[i])
return i;
}
return -EINVAL;
}
EXPORT_SYMBOL(qcom_adc5_hw_settle_time_from_dt);
int qcom_adc5_avg_samples_from_dt(u32 value)
{
if (!is_power_of_2(value) || value > ADC5_AVG_SAMPLES_MAX)
return -EINVAL;
return __ffs(value);
}
EXPORT_SYMBOL(qcom_adc5_avg_samples_from_dt);
int qcom_adc5_decimation_from_dt(u32 value, const unsigned int *decimation)
{
unsigned int i;
for (i = 0 ; i < ADC5_DECIMATION_SAMPLES_MAX; i++) {
if (value == decimation[i])
return i;
}
return -EINVAL;
}
EXPORT_SYMBOL(qcom_adc5_decimation_from_dt);
int qcom_vadc_decimation_from_dt(u32 value)
{
if (!is_power_of_2(value) || value < VADC_DECIMATION_MIN ||
value > VADC_DECIMATION_MAX)
return -EINVAL;
return __ffs64(value / VADC_DECIMATION_MIN);
}
EXPORT_SYMBOL(qcom_vadc_decimation_from_dt);
MODULE_LICENSE("GPL v2" );
MODULE_DESCRIPTION("Qualcomm ADC common functionality" );
Messung V0.5 in Prozent C=95 H=92 G=93
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(vorverarbeitet am 2026-06-07)
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