C++ (Cpp) GPIO_N_PERIPHERAL_BASE 예제들

예제 #1

파일: pm8x41.c 프로젝트: jbott/lk_gee

/* Configure GPIO */
int pm8x41_gpio_config(uint8_t gpio, struct pm8x41_gpio *config)
{
	uint8_t  val;
	uint32_t gpio_base = GPIO_N_PERIPHERAL_BASE(gpio);

	/* Disable the GPIO */
	val  = REG_READ(gpio_base + GPIO_EN_CTL);
	val &= ~BIT(PERPH_EN_BIT);
	REG_WRITE(gpio_base + GPIO_EN_CTL, val);

	/* Select the mode */
	val = config->function | (config->direction << 4);
	REG_WRITE(gpio_base + GPIO_MODE_CTL, val);

	/* Set the right pull */
	val = config->pull;
	REG_WRITE(gpio_base + GPIO_DIG_PULL_CTL, val);

	/* Select the VIN */
	val = config->vin_sel;
	REG_WRITE(gpio_base + GPIO_DIG_VIN_CTL, val);

	if (config->direction == PM_GPIO_DIR_OUT) {
		/* Set the right dig out control */
		val = config->out_strength | (config->output_buffer << 4);
		REG_WRITE(gpio_base + GPIO_DIG_OUT_CTL, val);
	}

	/* Enable the GPIO */
	val  = REG_READ(gpio_base + GPIO_EN_CTL);
	val |= BIT(PERPH_EN_BIT);
	REG_WRITE(gpio_base + GPIO_EN_CTL, val);

	return 0;
}

예제 #2

파일: pm8x41.c 프로젝트: RonGokhale/android_lk_bootloader

/* Configure GPIO */
int pm8x41_gpio_config(uint8_t gpio, struct pm8x41_gpio *config)
{
	uint8_t  val;
	uint32_t gpio_base = GPIO_N_PERIPHERAL_BASE(gpio);

	/* Only input configuration is implemented at this time. */
	ASSERT(config->direction == PM_GPIO_DIR_IN);

	/* Disable the GPIO */
	val  = REG_READ(gpio_base + GPIO_EN_CTL);
	val &= ~BIT(PERPH_EN_BIT);
	REG_WRITE(gpio_base + GPIO_EN_CTL, val);

	/* Select the mode */
	val = config->function | (config->direction << 4);
	REG_WRITE(gpio_base + GPIO_MODE_CTL, val);

	/* Set the right pull */
	val = config->pull;
	REG_WRITE(gpio_base + GPIO_DIG_PULL_CTL, val);

	/* Select the VIN */
	val = config->vin_sel;
	REG_WRITE(gpio_base + GPIO_DIG_VIN_CTL, val);

	/* Enable the GPIO */
	val  = REG_READ(gpio_base + GPIO_EN_CTL);
	val |= BIT(PERPH_EN_BIT);
	REG_WRITE(gpio_base + GPIO_EN_CTL, val);

	return 1;
}

예제 #3

파일: pm8x41.c 프로젝트: jbott/lk_gee

/* Write the output value of the requested gpio */
int pm8x41_gpio_set(uint8_t gpio, uint8_t value)
{
	uint32_t gpio_base = GPIO_N_PERIPHERAL_BASE(gpio);
	uint8_t val;

	/* Set the output value of the gpio */
	val = REG_READ(gpio_base + GPIO_MODE_CTL);
	val = (val & ~PM_GPIO_OUTPUT_MASK) | value;
	REG_WRITE(gpio_base + GPIO_MODE_CTL, val);

	return 0;
}

예제 #4

파일: pm8x41.c 프로젝트: RonGokhale/android_lk_bootloader

/* Reads the status of requested gpio */
int pm8x41_gpio_get(uint8_t gpio, uint8_t *status)
{
	uint32_t gpio_base = GPIO_N_PERIPHERAL_BASE(gpio);

	*status = REG_READ(gpio_base + GPIO_STATUS);

	/* Return the value of the GPIO pin */
	*status &= BIT(GPIO_STATUS_VAL_BIT);

	dprintf(SPEW, "GPIO %d status is %d\n", gpio, *status);

	return 1;
}

예제 #5

파일: pm8x41.c 프로젝트: jaehyek/lk

/* Reads the status of requested gpio */
int pm8x41_gpio_get_sid(uint8_t sid, uint8_t gpio, uint8_t *status)
{
	uint32_t gpio_base = GPIO_N_PERIPHERAL_BASE(gpio);

	gpio_base &= 0x0ffff;	/* clear sid */
	gpio_base |= (sid << 16);	/* add sid */

	*status = REG_READ(gpio_base + GPIO_STATUS);

	/* Return the value of the GPIO pin */
	*status &= BIT(GPIO_STATUS_VAL_BIT);

	dprintf(SPEW, "GPIO %d status is %d\n", gpio, *status);

	return 0;
}

예제 #6

파일: pm8x41.c 프로젝트: jaehyek/lk

/* Write the output value of the requested gpio */
int pm8x41_gpio_set_sid(uint8_t sid, uint8_t gpio, uint8_t value)
{
	uint32_t gpio_base = GPIO_N_PERIPHERAL_BASE(gpio);
	uint8_t val;

	gpio_base &= 0x0ffff;	/* clear sid */
	gpio_base |= (sid << 16);	/* add sid */

	dprintf(SPEW, "%s: gpio=%d base=%x\n", __func__, gpio, gpio_base);

	/* Set the output value of the gpio */
	val = REG_READ(gpio_base + GPIO_MODE_CTL);
	val = (val & ~PM_GPIO_OUTPUT_MASK) | value;
	REG_WRITE(gpio_base + GPIO_MODE_CTL, val);

	return 0;
}

예제 #7

파일: pm8x41.c 프로젝트: jaehyek/lk

/* Configure PM and PMI GPIO with slave id */
int pm8x41_gpio_config_sid(uint8_t sid, uint8_t gpio, struct pm8x41_gpio *config)
{
	uint8_t  val;
	uint32_t gpio_base = GPIO_N_PERIPHERAL_BASE(gpio);

	gpio_base &= 0x0ffff;	/* clear sid */
	gpio_base |= (sid << 16);	/* add sid */

	dprintf(SPEW, "%s: gpio=%d base=%x\n", __func__, gpio, gpio_base);

	/* Disable the GPIO */
	val  = REG_READ(gpio_base + GPIO_EN_CTL);
	val &= ~BIT(PERPH_EN_BIT);
	REG_WRITE(gpio_base + GPIO_EN_CTL, val);

	/* Select the mode */
	val = config->function | (config->direction << 4);
	REG_WRITE(gpio_base + GPIO_MODE_CTL, val);

	/* Set the right pull */
	val = config->pull;
	REG_WRITE(gpio_base + GPIO_DIG_PULL_CTL, val);

	/* Select the VIN */
	val = config->vin_sel;
	REG_WRITE(gpio_base + GPIO_DIG_VIN_CTL, val);

	if (config->direction == PM_GPIO_DIR_OUT) {
		/* Set the right dig out control */
		val = config->out_strength | (config->output_buffer << 4);
		REG_WRITE(gpio_base + GPIO_DIG_OUT_CTL, val);
	}

	/* Enable the GPIO */
	val  = REG_READ(gpio_base + GPIO_EN_CTL);
	val |= BIT(PERPH_EN_BIT);
	REG_WRITE(gpio_base + GPIO_EN_CTL, val);

	return 0;
}