gpio_common.h File Reference

#include <soc/addressmap.h>
#include <soc/gpio_base.h>
#include <stddef.h>
#include <stdint.h>

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Data Structures
struct	gpio_drv_info
struct	eint_section
struct	eint_regs

Enumerations
enum	pull_enable { GPIO_PULL_DISABLE = 0 , GPIO_PULL_ENABLE = 1 }
enum	pull_select { GPIO_PULL_DOWN = 0 , GPIO_PULL_UP = 1 }
enum	gpio_drv_adv { GPIO_DRV_ADV_125_UA = 0 , GPIO_DRV_ADV_250_UA = 1 , GPIO_DRV_ADV_500_UA = 2 , GPIO_DRV_ADV_1_MA = 3 }
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
void	gpio_set_pull (gpio_t gpio, enum pull_enable enable, enum pull_select select)
void	gpio_set_mode (gpio_t gpio, int mode)
int	gpio_set_driving (gpio_t gpio, uint8_t drv)
int	gpio_get_driving (gpio_t gpio)
int	gpio_set_driving_adv (gpio_t gpio, enum gpio_drv_adv drv)
int	gpio_get_driving_adv (gpio_t gpio)
	check_member (eint_regs, d1en, 0x420)
int	gpio_eint_poll (gpio_t gpio)
void	gpio_eint_configure (gpio_t gpio, enum gpio_irq_type type)

Variables
static struct eint_regs *const	mtk_eint = (void *)(EINT_BASE)

Enumeration Type Documentation

gpio_drv_adv

enum gpio_drv_adv

Enumerator
GPIO_DRV_ADV_125_UA
GPIO_DRV_ADV_250_UA
GPIO_DRV_ADV_500_UA
GPIO_DRV_ADV_1_MA

Definition at line 29 of file gpio_common.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 54 of file gpio_common.h.

pull_enable

enum pull_enable

Enumerator
GPIO_PULL_DISABLE
GPIO_PULL_ENABLE

Definition at line 11 of file gpio_common.h.

pull_select

enum pull_select

Enumerator
GPIO_PULL_DOWN
GPIO_PULL_UP

Definition at line 16 of file gpio_common.h.

Function Documentation

check_member()

check_member	(	eint_regs	,
		d1en	,
		0x420
	)

gpio_eint_configure()

void gpio_eint_configure	(	gpio_t	gpio,
		enum gpio_irq_type	type
	)

Definition at line 142 of file gpio.c.

References eint_regs::d0en, gpio_input_pullup(), IRQ_TYPE_EDGE_FALLING, IRQ_TYPE_EDGE_RISING, IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_LEVEL_LOW, mask, eint_regs::mask_clr, mtk_eint, eint_regs::pol_clr, eint_regs::pol_set, pos_bit_calc_for_eint(), eint_section::regs, eint_regs::sens_clr, eint_regs::sens_set, type, and write32().

Referenced by bootblock_mainboard_init(), and mainboard_early_init().

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gpio_eint_poll()

int gpio_eint_poll

(

gpio_t

gpio

)

Definition at line 126 of file gpio.c.

References eint_regs::ack, mtk_eint, pos_bit_calc_for_eint(), read32(), eint_section::regs, eint_regs::sta, and write32().

Referenced by tis_plat_irq_status().

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gpio_get_driving()

int gpio_get_driving

(

gpio_t

gpio

)

Definition at line 354 of file gpio.c.

References BIT, gpio_driving_info, gpio_find_reg_addr(), info, and read32().

Referenced by mtk_snfc_init().

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gpio_get_driving_adv()

int gpio_get_driving_adv

(

gpio_t

gpio

)

Definition at line 393 of file gpio.c.

References BIT, gpio_driving_adv_info, gpio_find_reg_addr(), gpio_drv_info::offset, read32(), gpio_drv_info::shift, and gpio_drv_info::width.

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gpio_set_driving()

int gpio_set_driving	(	gpio_t	gpio,
		uint8_t	drv
	)

Definition at line 324 of file gpio.c.

References BIT, clrbits32, clrsetbits32, gpio_driving_adv_info, gpio_driving_info, gpio_find_reg_addr(), info, is_valid_drv(), mask, gpio_drv_info::offset, gpio_drv_info::shift, and gpio_drv_info::width.

Referenced by mtk_snfc_init().

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gpio_set_driving_adv()

int gpio_set_driving_adv	(	gpio_t	gpio,
		enum gpio_drv_adv	drv
	)

Definition at line 366 of file gpio.c.

References BIT, clrsetbits32, gpio_driving_adv_info, gpio_find_reg_addr(), is_valid_drv_adv(), mask, gpio_drv_info::offset, gpio_drv_info::shift, and gpio_drv_info::width.

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gpio_set_mode()

void gpio_set_mode	(	gpio_t	gpio,
		int	mode
	)

Definition at line 45 of file gpio.c.

References clrsetbits32, GPIO_MODE_BITS, mask, gpio_regs::mode, mtk_gpio, pos_bit_calc_for_mode(), and val_regs::val.

Referenced by __gpio_input(), __gpio_output(), configure_audio(), configure_i2s(), gpio_input(), gpio_input_pulldown(), gpio_input_pullup(), gpio_output(), i2c_set_gpio_pinmux(), mainboard_early_init(), mtk_i2c_set_gpio_pinmux(), mtk_pcie_set_pinmux(), mtk_snfc_init(), mtk_spi_set_gpio_pinmux(), nor_set_gpio_pinmux(), power_on_panel(), setup_pinmux(), and tegra_software_i2c_disable().

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gpio_set_pull()

void gpio_set_pull	(	gpio_t	gpio,
		enum pull_enable	enable,
		enum pull_select	select
	)

Definition at line 17 of file gpio.c.

References assert, GPIO_PULL_DISABLE, GPIO_PULL_DOWN, gpio_set_pull_en_sel(), gpio_set_pull_pu_pd(), gpio_set_pull_pupd(), gpio_set_spec_pull_pupd(), mtk_gpio, pos_bit_calc(), gpio_regs::pullen, gpio_regs::pullsel, val_regs::rst, val_regs::set, and write16().

Referenced by configure_emmc(), exynos_dp_bridge_setup(), exynos_pinmux_dphpd(), exynos_pinmux_i2c(), exynos_pinmux_i2s0(), exynos_pinmux_i2s1(), exynos_pinmux_sdmmc(), exynos_pinmux_spi(), exynos_pinmux_sromc(), exynos_pinmux_uart(), gpio_init(), gpio_input(), gpio_input_irq(), gpio_input_pulldown(), gpio_input_pullup(), gpio_output(), gpio_read_mvl3(), mtk_i2c_set_gpio_pinmux(), mtk_msdc_configure_emmc(), mtk_msdc_configure_sdcard(), mtk_pcie_set_pinmux(), mtk_snfc_init(), nor_set_gpio_pinmux(), parade_dp_bridge_setup(), power_on_panel(), setup_gpio(), and setup_storage().

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Variable Documentation

mtk_eint

struct eint_regs* const mtk_eint = (void *)(EINT_BASE)

static

Definition at line 90 of file gpio_common.h.

Referenced by gpio_eint_configure(), and gpio_eint_poll().