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Diffstat (limited to 'drivers/iio/adc/qcom-vadc-common.c')
-rw-r--r--drivers/iio/adc/qcom-vadc-common.c92
1 files changed, 46 insertions, 46 deletions
diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c
index 14723896aab2..6c6aec848f98 100644
--- a/drivers/iio/adc/qcom-vadc-common.c
+++ b/drivers/iio/adc/qcom-vadc-common.c
@@ -289,44 +289,44 @@ static const struct vadc_map_pt adcmap7_100k[] = {
{ 2420, 130048 }
};
-static const struct vadc_prescale_ratio adc5_prescale_ratios[] = {
- {.num = 1, .den = 1},
- {.num = 1, .den = 3},
- {.num = 1, .den = 4},
- {.num = 1, .den = 6},
- {.num = 1, .den = 20},
- {.num = 1, .den = 8},
- {.num = 10, .den = 81},
- {.num = 1, .den = 10},
- {.num = 1, .den = 16}
+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 vadc_prescale_ratio *prescale,
+ 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 vadc_prescale_ratio *prescale,
+ 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 vadc_prescale_ratio *prescale,
+ 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 vadc_prescale_ratio *prescale,
+ 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 vadc_prescale_ratio *prescale,
+ 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 vadc_prescale_ratio *prescale,
+ 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 vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec);
@@ -406,7 +406,7 @@ static void qcom_vadc_scale_calib(const struct vadc_linear_graph *calib_graph,
}
static int qcom_vadc_scale_volt(const struct vadc_linear_graph *calib_graph,
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
bool absolute, u16 adc_code,
int *result_uv)
{
@@ -414,15 +414,15 @@ static int qcom_vadc_scale_volt(const struct vadc_linear_graph *calib_graph,
qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
- voltage = voltage * prescale->den;
- result = div64_s64(voltage, prescale->num);
+ 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 vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
bool absolute, u16 adc_code,
int *result_mdec)
{
@@ -444,7 +444,7 @@ static int qcom_vadc_scale_therm(const struct vadc_linear_graph *calib_graph,
}
static int qcom_vadc_scale_die_temp(const struct vadc_linear_graph *calib_graph,
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
bool absolute,
u16 adc_code, int *result_mdec)
{
@@ -454,8 +454,8 @@ static int qcom_vadc_scale_die_temp(const struct vadc_linear_graph *calib_graph,
qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
if (voltage > 0) {
- temp = voltage * prescale->den;
- do_div(temp, prescale->num * 2);
+ temp = voltage * prescale->denominator;
+ do_div(temp, prescale->numerator * 2);
voltage = temp;
} else {
voltage = 0;
@@ -467,7 +467,7 @@ static int qcom_vadc_scale_die_temp(const struct vadc_linear_graph *calib_graph,
}
static int qcom_vadc_scale_chg_temp(const struct vadc_linear_graph *calib_graph,
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
bool absolute,
u16 adc_code, int *result_mdec)
{
@@ -475,8 +475,8 @@ static int qcom_vadc_scale_chg_temp(const struct vadc_linear_graph *calib_graph,
qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage);
- voltage = voltage * prescale->den;
- voltage = div64_s64(voltage, prescale->num);
+ 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);
@@ -487,21 +487,21 @@ static int qcom_vadc_scale_chg_temp(const struct vadc_linear_graph *calib_graph,
/* convert voltage to ADC code, using 1.875V reference */
static u16 qcom_vadc_scale_voltage_code(s32 voltage,
- const struct vadc_prescale_ratio *prescale,
+ 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->num * factor * full_scale_code_volt;
- volt = div64_s64(volt, (s64)prescale->den * adc_vdd_ref_mv * 1000);
+ 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 vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
unsigned int factor)
{
@@ -520,8 +520,8 @@ static int qcom_vadc_scale_code_voltage_factor(u16 adc_code,
voltage = (s64) adc_code * adc_vdd_ref_mv * 1000;
voltage = div64_s64(voltage, data->full_scale_code_volt);
if (voltage > 0) {
- voltage *= prescale->den;
- temp = prescale->num * factor;
+ voltage *= prescale->denominator;
+ temp = prescale->numerator * factor;
voltage = div64_s64(voltage, temp);
} else {
voltage = 0;
@@ -531,7 +531,7 @@ static int qcom_vadc_scale_code_voltage_factor(u16 adc_code,
}
static int qcom_vadc7_scale_hw_calib_therm(
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
@@ -557,7 +557,7 @@ static int qcom_vadc7_scale_hw_calib_therm(
}
static int qcom_vadc_scale_hw_calib_volt(
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_uv)
{
@@ -568,7 +568,7 @@ static int qcom_vadc_scale_hw_calib_volt(
}
static int qcom_vadc_scale_hw_calib_therm(
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
@@ -584,7 +584,7 @@ static int qcom_vadc_scale_hw_calib_therm(
}
static int qcom_vadc_scale_hw_calib_die_temp(
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
@@ -596,7 +596,7 @@ static int qcom_vadc_scale_hw_calib_die_temp(
}
static int qcom_vadc7_scale_hw_calib_die_temp(
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
@@ -611,7 +611,7 @@ static int qcom_vadc7_scale_hw_calib_die_temp(
}
static int qcom_vadc_scale_hw_smb_temp(
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
@@ -623,7 +623,7 @@ static int qcom_vadc_scale_hw_smb_temp(
}
static int qcom_vadc_scale_hw_chg5_temp(
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
const struct adc5_data *data,
u16 adc_code, int *result_mdec)
{
@@ -636,7 +636,7 @@ static int qcom_vadc_scale_hw_chg5_temp(
int qcom_vadc_scale(enum vadc_scale_fn_type scaletype,
const struct vadc_linear_graph *calib_graph,
- const struct vadc_prescale_ratio *prescale,
+ const struct u32_fract *prescale,
bool absolute,
u16 adc_code, int *result)
{
@@ -667,7 +667,7 @@ 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 vadc_prescale_ratio *prescale = &adc5_prescale_ratios[prescale_ratio];
+ const struct u32_fract *prescale = &adc5_prescale_ratios[prescale_ratio];
s32 voltage;
voltage = qcom_vadc_map_temp_voltage(adcmap_100k_104ef_104fb_1875_vref,
@@ -682,7 +682,7 @@ int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype,
const struct adc5_data *data,
u16 adc_code, int *result)
{
- const struct vadc_prescale_ratio *prescale = &adc5_prescale_ratios[prescale_ratio];
+ const struct u32_fract *prescale = &adc5_prescale_ratios[prescale_ratio];
if (!(scaletype >= SCALE_HW_CALIB_DEFAULT &&
scaletype < SCALE_HW_CALIB_INVALID)) {
@@ -695,13 +695,13 @@ int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype,
}
EXPORT_SYMBOL(qcom_adc5_hw_scale);
-int qcom_adc5_prescaling_from_dt(u32 num, u32 den)
+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].num == num &&
- adc5_prescale_ratios[pre].den == den)
+ if (adc5_prescale_ratios[pre].numerator == numerator &&
+ adc5_prescale_ratios[pre].denominator == denominator)
break;
if (pre == ARRAY_SIZE(adc5_prescale_ratios))
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 11:01:29 +0100