gpio.h File Reference

#include <types.h>

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Data Structures
struct	rockchip_gpio_regs
union	gpio_t

Macros
#define	GPIO(p, b, i)   ((gpio_t){.port = p, .bank = GPIO_##b, .idx = i})

Enumerations
enum	{ GPIO_A = 0 , GPIO_B , GPIO_C , GPIO_D }
enum	gpio_pull {   GPIO_NO_PULL , GPIO_PULL_DOWN , GPIO_KEEPER , GPIO_PULL_UP ,   GPIO_PULLNONE = 0 , GPIO_PULLUP = 1 , GPIO_PULLDOWN = 2 }
enum	gpio_dir { GPIO_INPUT = 0 , GPIO_OUTPUT = 1 }
enum	gpio_irq_type {   IRQ_TYPE_EDGE_RISING , IRQ_TYPE_EDGE_FALLING , IRQ_TYPE_LEVEL_HIGH , IRQ_TYPE_LEVEL_LOW ,   IRQ_TYPE_LEVEL , IRQ_TYPE_RISING_EDGE , IRQ_TYPE_FALLING_EDGE , IRQ_TYPE_DUAL_EDGE ,   IRQ_TYPE_LEVEL = 0 , IRQ_TYPE_RISING_EDGE = 1 , IRQ_TYPE_FALLING_EDGE = 2 , IRQ_TYPE_DUAL_EDGE = 3 ,   IRQ_TYPE_EDGE_RISING = 0 , IRQ_TYPE_EDGE_FALLING , IRQ_TYPE_LEVEL_HIGH , IRQ_TYPE_LEVEL_LOW }

Functions
	check_member (rockchip_gpio_regs, ls_sync, 0x60)
int	is_pmu_gpio (gpio_t gpio)
void *	gpio_grf_reg (gpio_t gpio)
void	gpio_input_irq (gpio_t gpio, enum gpio_irq_type type, enum gpio_pull pull)
int	gpio_irq_status (gpio_t gpio)
u32	gpio_get_pull_val (gpio_t gpio, enum gpio_pull pull)

Variables
struct rockchip_gpio_regs *	gpio_port []

Macro Definition Documentation

GPIO

#define GPIO	(		p,
			b,
			i
	)		((gpio_t){.port = p, .bank = GPIO_##b, .idx = i})

Definition at line 8 of file gpio.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
GPIO_A
GPIO_B
GPIO_C
GPIO_D

Definition at line 46 of file gpio.h.

gpio_dir

enum gpio_dir

Enumerator
GPIO_INPUT
GPIO_OUTPUT

Definition at line 67 of file gpio.h.

gpio_irq_type

enum gpio_irq_type

Enumerator
IRQ_TYPE_EDGE_RISING
IRQ_TYPE_EDGE_FALLING
IRQ_TYPE_LEVEL_HIGH
IRQ_TYPE_LEVEL_LOW
IRQ_TYPE_LEVEL
IRQ_TYPE_RISING_EDGE
IRQ_TYPE_FALLING_EDGE
IRQ_TYPE_DUAL_EDGE
IRQ_TYPE_LEVEL
IRQ_TYPE_RISING_EDGE
IRQ_TYPE_FALLING_EDGE
IRQ_TYPE_DUAL_EDGE
IRQ_TYPE_EDGE_RISING
IRQ_TYPE_EDGE_FALLING
IRQ_TYPE_LEVEL_HIGH
IRQ_TYPE_LEVEL_LOW

Definition at line 72 of file gpio.h.

gpio_pull

enum gpio_pull

Enumerator
GPIO_NO_PULL
GPIO_PULL_DOWN
GPIO_KEEPER
GPIO_PULL_UP
GPIO_PULLNONE
GPIO_PULLUP
GPIO_PULLDOWN

Definition at line 61 of file gpio.h.

Function Documentation

check_member()

check_member	(	rockchip_gpio_regs	,
		ls_sync	,
		0x60
	)

gpio_get_pull_val()

u32 gpio_get_pull_val	(	gpio_t	gpio,
		enum gpio_pull	pull
	)

Definition at line 39 of file gpio.c.

References GPIO_PULLDOWN, GPIO_PULLNONE, GPIO_PULLUP, IS_GPIO_BANK, pull, PULLDOWN_1V8, PULLNONE_1V8, and PULLUP_1V8.

Referenced by gpio_set_pull().

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gpio_grf_reg()

void* gpio_grf_reg

(

gpio_t

gpio

)

Definition at line 31 of file gpio.c.

References rk3399_pmugrf_regs::gpio0_p, rk3288_pmu_regs::gpio0pull, rk3288_grf_regs::gpio1_p, rk3399_grf_regs::gpio2_p, is_pmu_gpio(), rk3288_grf, rk3288_pmu, rk3399_grf, and rk3399_pmugrf.

Referenced by gpio_set_pull().

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gpio_input_irq()

void gpio_input_irq	(	gpio_t	gpio,
		enum gpio_irq_type	type,
		enum gpio_pull	pull
	)

Definition at line 46 of file gpio.c.

References assert, BIT, clrbits32, clrsetbits32, GPIO_INPUT, gpio_port, GPIO_PULLDOWN, gpio_set_dir(), gpio_set_pull(), rockchip_gpio_regs::int_polarity, rockchip_gpio_regs::inten, rockchip_gpio_regs::intmask, rockchip_gpio_regs::inttype_level, IRQ_TYPE_EDGE_FALLING, IRQ_TYPE_EDGE_RISING, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_LOW, mask, pull, setbits32, and type.

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gpio_irq_status()

int gpio_irq_status

(

gpio_t

gpio

)

Definition at line 79 of file gpio.c.

References BIT, GPIO_INTR_STATUS_DISABLE, GPIO_INTR_STATUS_ENABLE, GPIO_INTR_STATUS_MASK, gpio_port, rockchip_gpio_regs::int_status, mask, rockchip_gpio_regs::porta_eoi, read32(), setbits32, and write32().

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is_pmu_gpio()

int is_pmu_gpio

(

gpio_t

gpio

)

Definition at line 24 of file gpio.c.

References PMU_GPIO_PORT, PMU_GPIO_PORT0, and PMU_GPIO_PORT1.

Referenced by gpio_grf_reg(), and gpio_set_pull().

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Variable Documentation

gpio_port

struct rockchip_gpio_regs* gpio_port[]

extern

Definition at line 10 of file gpio.c.

Referenced by gpio_get(), gpio_input_irq(), gpio_irq_status(), gpio_set(), and gpio_set_dir().