tsadc.c File Reference

#include <device/mmio.h>
#include <delay.h>
#include <soc/clock.h>
#include <soc/grf.h>
#include <soc/tsadc.h>
#include <stdint.h>

Include dependency graph for tsadc.c:

Go to the source code of this file.

Data Structures
struct	rk3399_tsadc_regs

Macros
#define	ADC_POWER_CTRL   (1 << 3)
#define	START_MODE   (1 << 4)
#define	START_SHIFT   5
#define	START_MASK   1
#define	INTER_PD_SHIFT   6
#define	INTER_PD_MASK   0x3f
#define	LAST_TSHUT   (1 << 24)
#define	SRC3_EN   (1 << 7)
#define	SRC2_EN   (1 << 6)
#define	SRC1_EN   (1 << 5)
#define	SRC0_EN   (1 << 4)
#define	Q_SEL   (1 << 1)
#define	AUTO_EN   (1 << 0)
#define	TSHUT_CRU_EN_SRC3   (1 << 11)
#define	TSHUT_CRU_EN_SRC2   (1 << 10)
#define	TSHUT_CRU_EN_SRC1   (1 << 9)
#define	TSHUT_CRU_EN_SRC0   (1 << 8)
#define	TSHUT_GPIO_EN_SRC3   (1 << 7)
#define	TSHUT_GPIO_EN_SRC2   (1 << 6)
#define	TSHUT_GPIO_EN_SRC1   (1 << 5)
#define	TSHUT_GPIO_EN_SRC0   (1 << 4)
#define	AUTO_PERIOD   187500 /* 250ms */
#define	AUTO_DEBOUNCE   4
#define	AUTO_PERIOD_HT   37500 /* 50ms */
#define	AUTO_DEBOUNCE_HT   4
#define	TSADC_CLOCK_HZ   (750 * KHz)
#define	TSADC_SHUT_VALUE   677
#define	GRF_TSADC_TSEN_PD0_ON   RK_SETBITS(0)
#define	GRF_TSADC_TSEN_PD0_OFF   RK_CLRBITS(0)
#define	GRF_SARADC_TSEN_ON   RK_SETBITS(0)

Functions
	check_member (rk3399_tsadc_regs, auto_period_ht, 0x6c)
void	tsadc_init (uint32_t polarity)

Variables
struct rk3399_tsadc_regs *	rk3399_tsadc = (void *)TSADC_BASE

Macro Definition Documentation

ADC_POWER_CTRL

#define ADC_POWER_CTRL   (1 << 3)

Definition at line 37 of file tsadc.c.

AUTO_DEBOUNCE

#define AUTO_DEBOUNCE   4

Definition at line 64 of file tsadc.c.

AUTO_DEBOUNCE_HT

#define AUTO_DEBOUNCE_HT   4

Definition at line 66 of file tsadc.c.

AUTO_EN

#define AUTO_EN   (1 << 0)

Definition at line 51 of file tsadc.c.

AUTO_PERIOD

#define AUTO_PERIOD   187500 /* 250ms */

Definition at line 63 of file tsadc.c.

AUTO_PERIOD_HT

#define AUTO_PERIOD_HT   37500 /* 50ms */

Definition at line 65 of file tsadc.c.

GRF_SARADC_TSEN_ON

#define GRF_SARADC_TSEN_ON   RK_SETBITS(0)

Definition at line 80 of file tsadc.c.

GRF_TSADC_TSEN_PD0_OFF

#define GRF_TSADC_TSEN_PD0_OFF   RK_CLRBITS(0)

Definition at line 79 of file tsadc.c.

GRF_TSADC_TSEN_PD0_ON

#define GRF_TSADC_TSEN_PD0_ON   RK_SETBITS(0)

Definition at line 78 of file tsadc.c.

INTER_PD_MASK

#define INTER_PD_MASK   0x3f

Definition at line 42 of file tsadc.c.

INTER_PD_SHIFT

#define INTER_PD_SHIFT   6

Definition at line 41 of file tsadc.c.

LAST_TSHUT

#define LAST_TSHUT   (1 << 24)

Definition at line 45 of file tsadc.c.

Q_SEL

#define Q_SEL   (1 << 1)

Definition at line 50 of file tsadc.c.

SRC0_EN

#define SRC0_EN   (1 << 4)

Definition at line 49 of file tsadc.c.

SRC1_EN

#define SRC1_EN   (1 << 5)

Definition at line 48 of file tsadc.c.

SRC2_EN

#define SRC2_EN   (1 << 6)

Definition at line 47 of file tsadc.c.

SRC3_EN

#define SRC3_EN   (1 << 7)

Definition at line 46 of file tsadc.c.

START_MASK

#define START_MASK   1

Definition at line 40 of file tsadc.c.

START_MODE

#define START_MODE   (1 << 4)

Definition at line 38 of file tsadc.c.

START_SHIFT

#define START_SHIFT   5

Definition at line 39 of file tsadc.c.

TSADC_CLOCK_HZ

#define TSADC_CLOCK_HZ   (750 * KHz)

Definition at line 67 of file tsadc.c.

TSADC_SHUT_VALUE

#define TSADC_SHUT_VALUE   677

Definition at line 76 of file tsadc.c.

TSHUT_CRU_EN_SRC0

#define TSHUT_CRU_EN_SRC0   (1 << 8)

Definition at line 57 of file tsadc.c.

TSHUT_CRU_EN_SRC1

#define TSHUT_CRU_EN_SRC1   (1 << 9)

Definition at line 56 of file tsadc.c.

TSHUT_CRU_EN_SRC2

#define TSHUT_CRU_EN_SRC2   (1 << 10)

Definition at line 55 of file tsadc.c.

TSHUT_CRU_EN_SRC3

#define TSHUT_CRU_EN_SRC3   (1 << 11)

Definition at line 54 of file tsadc.c.

TSHUT_GPIO_EN_SRC0

#define TSHUT_GPIO_EN_SRC0   (1 << 4)

Definition at line 61 of file tsadc.c.

TSHUT_GPIO_EN_SRC1

#define TSHUT_GPIO_EN_SRC1   (1 << 5)

Definition at line 60 of file tsadc.c.

TSHUT_GPIO_EN_SRC2

#define TSHUT_GPIO_EN_SRC2   (1 << 6)

Definition at line 59 of file tsadc.c.

TSHUT_GPIO_EN_SRC3

#define TSHUT_GPIO_EN_SRC3   (1 << 7)

Definition at line 58 of file tsadc.c.

Function Documentation

check_member()

check_member	(	rk3399_tsadc_regs	,
		auto_period_ht	,
		0x6c
	)

tsadc_init()

void tsadc_init

(

uint32_t

polarity

)

Definition at line 84 of file tsadc.c.

References ADC_POWER_CTRL, rk3399_tsadc_regs::auto_con, AUTO_DEBOUNCE, AUTO_DEBOUNCE_HT, AUTO_EN, rk3399_tsadc_regs::auto_period, AUTO_PERIOD, rk3399_tsadc_regs::auto_period_ht, AUTO_PERIOD_HT, clrbits32, rk3399_tsadc_regs::comp0_shut, GRF_SARADC_TSEN_ON, GRF_TSADC_TSEN_PD0_OFF, GRF_TSADC_TSEN_PD0_ON, rk3399_tsadc_regs::hight_int_debounce, rk3399_tsadc_regs::hight_tshut_debounce, rk3399_tsadc_regs::int_en, IOMUX_TSADC_INT, Q_SEL, rk3399_grf, rk3399_pmugrf, rk3399_tsadc, rkclk_configure_tsadc(), rk3399_grf_regs::saradc_testbit, setbits32, SRC0_EN, TSADC_CLOCK_HZ, rk3399_pmugrf_regs::tsadc_int, TSADC_SHUT_VALUE, rk3399_grf_regs::tsadc_testbit_l, TSHUT_CRU_EN_SRC0, TSHUT_GPIO_EN_SRC0, udelay(), rk3399_tsadc_regs::user_con, and write32().

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Variable Documentation

rk3399_tsadc

struct rk3399_tsadc_regs* rk3399_tsadc = (void *)TSADC_BASE

Definition at line 82 of file tsadc.c.

Referenced by tsadc_init().