C++ (Cpp) s3c_gpio_lock Examples

Example #1

File: gpio.c Project: sch2307/android_kernel_ezboard_s100

static int s3c_gpiolib_output(struct gpio_chip *chip,
			      unsigned offset, int value)
{
	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
	void __iomem *base = ourchip->base;
	unsigned long flags;
	unsigned long dat;
	unsigned long con;

	s3c_gpio_lock(ourchip, flags);

	dat = __raw_readl(base + 0x04);
	dat &= ~(1 << offset);
	if (value)
		dat |= 1 << offset;
	__raw_writel(dat, base + 0x04);

	con = __raw_readl(base + 0x00);
	con &= ~(3 << (offset * 2));
	con |= 1 << (offset * 2);

	__raw_writel(con, base + 0x00);
	__raw_writel(dat, base + 0x04);

	s3c_gpio_unlock(ourchip, flags);
	return 0;
}

Example #2

File: gpiolib.c Project: Jackeagle/android_kernel_sony_c2305

static int s5p64x0_gpiolib_rbank_4bit2_input(struct gpio_chip *chip,
					     unsigned int offset)
{
	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
	void __iomem *base = ourchip->base;
	void __iomem *regcon = base;
	unsigned long con;
	unsigned long flags;

	switch (offset) {
	case 6:
		offset += 1;
	case 0:
	case 1:
	case 2:
	case 3:
	case 4:
	case 5:
		regcon -= 4;
		break;
	default:
		offset -= 7;
		break;
	}

	s3c_gpio_lock(ourchip, flags);

	con = __raw_readl(regcon);
	con &= ~(0xf << con_4bit_shift(offset));
	__raw_writel(con, regcon);

	s3c_gpio_unlock(ourchip, flags);

	return 0;
}

Example #3

File: gpio-config.c Project: benjaminwan/GPIOKernelPatch

s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin)
{
	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
	unsigned long flags;
	int offset;
	u32 pup = 0;
	if (chip) {
		offset = pin - chip->chip.base;
		s3c_gpio_lock(chip, flags);
		pup = s3c_gpio_do_getpull(chip, offset);
		s3c_gpio_unlock(chip, flags);
	}
	return (__force s3c_gpio_pull_t)pup;
}

Example #4

File: gpiolib.c Project: Jackeagle/android_kernel_sony_c2305

static int s5p64x0_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
					      unsigned int offset, int value)
{
	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
	void __iomem *base = ourchip->base;
	void __iomem *regcon = base;
	unsigned long con;
	unsigned long dat;
	unsigned long flags;
	unsigned con_offset  = offset;

	switch (con_offset) {
	case 6:
		con_offset += 1;
	case 0:
	case 1:
	case 2:
	case 3:
	case 4:
	case 5:
		regcon -= 4;
		break;
	default:
		con_offset -= 7;
		break;
	}

	s3c_gpio_lock(ourchip, flags);

	con = __raw_readl(regcon);
	con &= ~(0xf << con_4bit_shift(con_offset));
	con |= 0x1 << con_4bit_shift(con_offset);

	dat = __raw_readl(base + GPIODAT_OFF);
	if (value)
		dat |= 1 << offset;
	else
		dat &= ~(1 << offset);

	__raw_writel(con, regcon);
	__raw_writel(dat, base + GPIODAT_OFF);

	s3c_gpio_unlock(ourchip, flags);

	return 0;
}

Example #5

File: gpio-config.c Project: astoleggen/android-kernel-atlas

unsigned s3c_gpio_getcfg(unsigned int pin)
{
	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
	unsigned long flags;
	unsigned ret = 0;
	int offset;

	if (chip) {
		offset = pin - chip->chip.base;

		s3c_gpio_lock(chip, flags);
		ret = s3c_gpio_do_getcfg(chip, offset);
		s3c_gpio_unlock(chip, flags);
	}

	return ret;
}

Example #6

File: gpio-config.c Project: astoleggen/android-kernel-atlas

int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
{
	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
	unsigned long flags;
	int offset, ret;

	if (!chip)
		return -EINVAL;

	offset = pin - chip->chip.base;

	s3c_gpio_lock(chip, flags);
	ret = s3c_gpio_do_setpull(chip, offset, pull);
	s3c_gpio_unlock(chip, flags);

	return ret;
}

Example #7

File: gpio.c Project: sch2307/android_kernel_ezboard_s100

static int s3c_gpiolib_input(struct gpio_chip *chip, unsigned offset)
{
	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
	void __iomem *base = ourchip->base;
	unsigned long flags;
	unsigned long con;

	s3c_gpio_lock(ourchip, flags);

	con = __raw_readl(base + 0x00);
	con &= ~(3 << (offset * 2));

	__raw_writel(con, base + 0x00);

	s3c_gpio_unlock(ourchip, flags);
	return 0;
}

Example #8

File: gpio-config.c Project: astoleggen/android-kernel-atlas

int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
{
	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
	unsigned long flags;
	int offset;
	int ret;

	if (!chip)
		return -EINVAL;

	offset = pin - chip->chip.base;

	s3c_gpio_lock(chip, flags);
	ret = s3c_gpio_do_setcfg(chip, offset, config);
	s3c_gpio_unlock(chip, flags);

	return ret;
}

Example #9

File: gpio.c Project: sch2307/android_kernel_ezboard_s100

static void s3c_gpiolib_set(struct gpio_chip *chip,
			    unsigned offset, int value)
{
	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
	void __iomem *base = ourchip->base;
	unsigned long flags;
	unsigned long dat;

	s3c_gpio_lock(ourchip, flags);

	dat = __raw_readl(base + 0x04);
	dat &= ~(1 << offset);
	if (value)
		dat |= 1 << offset;
	__raw_writel(dat, base + 0x04);

	s3c_gpio_unlock(ourchip, flags);
}