#include <device/mmio.h>
#include <assert.h>
#include <delay.h>
#include <soc/clock.h>
#include <soc/saradc.h>
#include <stdint.h>
#include <timer.h>

Include dependency graph for saradc.c:

Go to the source code of this file.

Data Structures
struct	rk3399_saradc_regs

Macros
#define	ADC_STOP 0

#define	INT_EN (1 << 5)

#define	ADC_PWR_CTRL (1 << 3)

#define	ADC_CHN_SEL_MASK 7

#define	ADC_CHN_SEL_SHIFT 0

#define	DATA_MASK 0x3FF

#define	SARADC_HZ (4*MHz)

#define	SARADC_MAX_CHANNEL 6

#define	SARADC_DELAY_PU (1 * 1000 * 1000 * 1000 / SARADC_HZ * 4)

Functions
	check_member (rk3399_saradc_regs, dly_pu_soc, 0xc)

u32	get_saradc_value (u32 chn)

Variables
struct rk3399_saradc_regs *	rk3399_saradc = (void *)SARADC_BASE

Macro Definition Documentation

◆ ADC_CHN_SEL_MASK

#define ADC_CHN_SEL_MASK 7

Definition at line 27 of file saradc.c.

◆ ADC_CHN_SEL_SHIFT

#define ADC_CHN_SEL_SHIFT 0

Definition at line 28 of file saradc.c.

◆ ADC_PWR_CTRL

#define ADC_PWR_CTRL (1 << 3)

Definition at line 26 of file saradc.c.

◆ ADC_STOP

#define ADC_STOP 0

Definition at line 22 of file saradc.c.

◆ DATA_MASK

#define DATA_MASK 0x3FF

Definition at line 31 of file saradc.c.

◆ INT_EN

#define INT_EN (1 << 5)

Definition at line 25 of file saradc.c.

◆ SARADC_DELAY_PU

#define SARADC_DELAY_PU (1 * 1000 * 1000 * 1000 / SARADC_HZ * 4)

Definition at line 37 of file saradc.c.

◆ SARADC_HZ

#define SARADC_HZ (4*MHz)

Definition at line 33 of file saradc.c.

◆ SARADC_MAX_CHANNEL

#define SARADC_MAX_CHANNEL 6

Definition at line 35 of file saradc.c.

Function Documentation

◆ check_member()

check_member	(	rk3399_saradc_regs	,
		dly_pu_soc	,
		0xc
	)

◆ get_saradc_value()

u32 get_saradc_value ( u32 chn )

Definition at line 39 of file saradc.c.

References ADC_CHN_SEL_MASK, ADC_CHN_SEL_SHIFT, ADC_PWR_CTRL, ADC_STOP, assert, clrbits32, clrsetbits32, rk3399_saradc_regs::ctrl, rk3399_saradc_regs::data, DATA_MASK, read32(), rk3399_saradc, rkclk_configure_saradc(), SARADC_DELAY_PU, SARADC_HZ, SARADC_MAX_CHANNEL, setbits32, rk3399_saradc_regs::stas, stopwatch_expired(), stopwatch_init_msecs_expire(), and udelay().

Referenced by get_index().

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Variable Documentation

◆ rk3399_saradc

struct rk3399_saradc_regs* rk3399_saradc = (void *)SARADC_BASE

Definition at line 19 of file saradc.c.

Referenced by get_saradc_value().

Data Structures

Macros

Functions

Variables