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iio: adc: qcom-vadc-common: Re-use generic struct u32_fract

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Instead of custom data type re-use generic struct u32_fract.
No changes intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220126135353.24007-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko
2022-01-26 15:53:53 +02:00
committed by Jonathan Cameron
parent 8f2abd48b5
commit a5e9b2ddbb
4 changed files with 69 additions and 77 deletions
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92
drivers/iio/adc/qcom-vadc-common.c
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@@ -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))