auxadc.c File Reference

#include <assert.h>
#include <delay.h>
#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/auxadc.h>
#include <soc/efuse.h>
#include <timer.h>

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Macros
#define	ADC_GE_A_SHIFT   10
#define	ADC_GE_A_MASK   (0x3ff << ADC_GE_A_SHIFT)
#define	ADC_OE_A_SHIFT   0
#define	ADC_OE_A_MASK   (0x3ff << ADC_OE_A_SHIFT)
#define	ADC_CALI_EN_A_SHIFT   20
#define	ADC_CALI_EN_A_MASK   (0x1 << ADC_CALI_EN_A_SHIFT)

Functions
static void	mt_auxadc_update_cali (void)
static uint32_t	auxadc_get_rawdata (int channel)
unsigned int	auxadc_get_voltage_uv (unsigned int channel)

Variables
static struct mtk_auxadc_regs *const	mtk_auxadc = (void *)AUXADC_BASE
static int	cali_oe
static int	cali_ge
static int	calibrated = 0

Macro Definition Documentation

ADC_CALI_EN_A_MASK

#define ADC_CALI_EN_A_MASK   (0x1 << ADC_CALI_EN_A_SHIFT)

Definition at line 18 of file auxadc.c.

ADC_CALI_EN_A_SHIFT

#define ADC_CALI_EN_A_SHIFT   20

Definition at line 17 of file auxadc.c.

ADC_GE_A_MASK

#define ADC_GE_A_MASK   (0x3ff << ADC_GE_A_SHIFT)

Definition at line 14 of file auxadc.c.

ADC_GE_A_SHIFT

#define ADC_GE_A_SHIFT   10

Definition at line 13 of file auxadc.c.

ADC_OE_A_MASK

#define ADC_OE_A_MASK   (0x3ff << ADC_OE_A_SHIFT)

Definition at line 16 of file auxadc.c.

ADC_OE_A_SHIFT

#define ADC_OE_A_SHIFT   0

Definition at line 15 of file auxadc.c.

Function Documentation

auxadc_get_rawdata()

static uint32_t auxadc_get_rawdata ( int  channel )

static

Definition at line 39 of file auxadc.c.

References assert, clrbits32, mtk_auxadc_regs::con1, mtk_auxadc_regs::con2, mtk_auxadc_regs::data, mt8183_infracfg_regs::module_sw_cg_1_clr, mt8183_infracfg_regs::module_sw_cg_1_set, mtk_auxadc, mtk_infracfg, read32(), setbits32, udelay(), value, and wait_ms.

Referenced by auxadc_get_voltage_uv().

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auxadc_get_voltage_uv()

unsigned int auxadc_get_voltage_uv

(

unsigned int

channel

)

Definition at line 58 of file auxadc.c.

References assert, auxadc_get_rawdata(), cali_ge, cali_oe, calibrated, and mt_auxadc_update_cali().

Referenced by get_adc_index().

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mt_auxadc_update_cali()

static void mt_auxadc_update_cali ( void  )

static

Definition at line 23 of file auxadc.c.

References ADC_CALI_EN_A_MASK, efuse_regs::adc_cali_reg, ADC_GE_A_MASK, ADC_GE_A_SHIFT, ADC_OE_A_MASK, ADC_OE_A_SHIFT, cali_ge, cali_oe, mtk_efuse, and read32().

Referenced by auxadc_get_voltage_uv().

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Variable Documentation

cali_ge

int cali_ge

static

Definition at line 21 of file auxadc.c.

Referenced by auxadc_get_voltage_uv(), and mt_auxadc_update_cali().

cali_oe

int cali_oe

static

Definition at line 20 of file auxadc.c.

Referenced by auxadc_get_voltage_uv(), and mt_auxadc_update_cali().

calibrated

int calibrated = 0

static

Definition at line 22 of file auxadc.c.

Referenced by auxadc_get_voltage_uv().

mtk_auxadc

struct mtk_auxadc_regs* const mtk_auxadc = (void *)AUXADC_BASE

static

Definition at line 11 of file auxadc.c.

Referenced by auxadc_get_rawdata().