C++ (Cpp) gpio_write_raw_reg Exemples

Exemple #1

Fichier : sh_pfc.c Projet : 0xFelix/u-boot-edminiv2

static void write_config_reg(struct pinmux_info *gpioc,
			     struct pinmux_cfg_reg *crp,
			     unsigned long field, unsigned long value)
{
	void *mapped_reg;
	unsigned long mask, pos, data;

	config_reg_helper(gpioc, crp, field, &mapped_reg, &mask, &pos);

	debug("write_reg addr = %lx, value = %ld, field = %ld, "
		 "r_width = %ld, f_width = %ld\n",
		 crp->reg, value, field, crp->reg_width, crp->field_width);

	mask = ~(mask << pos);
	value = value << pos;

	data = gpio_read_raw_reg(mapped_reg, crp->reg_width);
	data &= mask;
	data |= value;

	if (gpioc->unlock_reg)
		gpio_write_raw_reg(pfc_phys_to_virt(gpioc, gpioc->unlock_reg),
				   32, ~data);

	gpio_write_raw_reg(mapped_reg, crp->reg_width, data);
}

Exemple #2

Fichier : pfc.c Projet : Aircell/asp-kernel

static void gpio_write_bit(struct pinmux_data_reg *dr,
			   unsigned long in_pos, unsigned long value)
{
	unsigned long pos;

	pos = dr->reg_width - (in_pos + 1);

	pr_debug("write_bit addr = %lx, value = %ld, pos = %ld, "
		 "r_width = %ld\n",
		 dr->reg, !!value, pos, dr->reg_width);

	if (value)
		set_bit(pos, &dr->reg_shadow);
	else
		clear_bit(pos, &dr->reg_shadow);

	gpio_write_raw_reg(dr->reg, dr->reg_width, dr->reg_shadow);
}