Lines Matching defs:exar_gpio
48 exar_offset_to_sel_addr(struct exar_gpio_chip *exar_gpio, unsigned int offset)
50 unsigned int pin = exar_gpio->first_pin + (offset % 16);
54 return addr + (cascaded ? exar_gpio->cascaded_offset : 0);
58 exar_offset_to_lvl_addr(struct exar_gpio_chip *exar_gpio, unsigned int offset)
60 unsigned int pin = exar_gpio->first_pin + (offset % 16);
64 return addr + (cascaded ? exar_gpio->cascaded_offset : 0);
68 exar_offset_to_bit(struct exar_gpio_chip *exar_gpio, unsigned int offset)
70 unsigned int pin = exar_gpio->first_pin + (offset % 16);
77 struct exar_gpio_chip *exar_gpio = gpiochip_get_data(chip);
78 unsigned int addr = exar_offset_to_sel_addr(exar_gpio, offset);
79 unsigned int bit = exar_offset_to_bit(exar_gpio, offset);
81 if (regmap_test_bits(exar_gpio->regmap, addr, BIT(bit)))
89 struct exar_gpio_chip *exar_gpio = gpiochip_get_data(chip);
90 unsigned int addr = exar_offset_to_lvl_addr(exar_gpio, offset);
91 unsigned int bit = exar_offset_to_bit(exar_gpio, offset);
93 return !!(regmap_test_bits(exar_gpio->regmap, addr, BIT(bit)));
99 struct exar_gpio_chip *exar_gpio = gpiochip_get_data(chip);
100 unsigned int addr = exar_offset_to_lvl_addr(exar_gpio, offset);
101 unsigned int bit = exar_offset_to_bit(exar_gpio, offset);
104 regmap_set_bits(exar_gpio->regmap, addr, BIT(bit));
106 regmap_clear_bits(exar_gpio->regmap, addr, BIT(bit));
112 struct exar_gpio_chip *exar_gpio = gpiochip_get_data(chip);
113 unsigned int addr = exar_offset_to_sel_addr(exar_gpio, offset);
114 unsigned int bit = exar_offset_to_bit(exar_gpio, offset);
117 regmap_clear_bits(exar_gpio->regmap, addr, BIT(bit));
124 struct exar_gpio_chip *exar_gpio = gpiochip_get_data(chip);
125 unsigned int addr = exar_offset_to_sel_addr(exar_gpio, offset);
126 unsigned int bit = exar_offset_to_bit(exar_gpio, offset);
128 regmap_set_bits(exar_gpio->regmap, addr, BIT(bit));
135 struct exar_gpio_chip *exar_gpio = data;
137 ida_free(&ida_index, exar_gpio->index);
151 struct exar_gpio_chip *exar_gpio;
172 exar_gpio = devm_kzalloc(dev, sizeof(*exar_gpio), GFP_KERNEL);
173 if (!exar_gpio)
183 exar_gpio->cascaded_offset = (pcidev->device & GENMASK(3, 0)) *
191 exar_gpio->regmap = devm_regmap_init_mmio(dev, p, &exar_regmap_config);
192 if (IS_ERR(exar_gpio->regmap))
193 return PTR_ERR(exar_gpio->regmap);
199 ret = devm_add_action_or_reset(dev, exar_devm_ida_free, exar_gpio);
203 sprintf(exar_gpio->name, "exar_gpio%d", index);
204 exar_gpio->gpio_chip.label = exar_gpio->name;
205 exar_gpio->gpio_chip.parent = dev;
206 exar_gpio->gpio_chip.direction_output = exar_direction_output;
207 exar_gpio->gpio_chip.direction_input = exar_direction_input;
208 exar_gpio->gpio_chip.get_direction = exar_get_direction;
209 exar_gpio->gpio_chip.get = exar_get_value;
210 exar_gpio->gpio_chip.set = exar_set_value;
211 exar_gpio->gpio_chip.base = -1;
212 exar_gpio->gpio_chip.ngpio = ngpios;
213 exar_gpio->index = index;
214 exar_gpio->first_pin = first_pin;
216 ret = devm_gpiochip_add_data(dev, &exar_gpio->gpio_chip, exar_gpio);