85 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_get_direction()  local
87 	if (i8255_get_direction(dio48egpio->ppi_state, offset))  in dio48e_gpio_get_direction()
95 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_direction_input()  local
97 	i8255_direction_input(dio48egpio->reg->ppi, dio48egpio->ppi_state,  in dio48e_gpio_direction_input()
106 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_direction_output()  local
108 	i8255_direction_output(dio48egpio->reg->ppi, dio48egpio->ppi_state,  in dio48e_gpio_direction_output()
116 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_get()  local
118 	return i8255_get(dio48egpio->reg->ppi, offset);  in dio48e_gpio_get()
124 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_get_multiple()  local
126 	i8255_get_multiple(dio48egpio->reg->ppi, mask, bits, chip->ngpio);  in dio48e_gpio_get_multiple()
133 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_set()  local
135 	i8255_set(dio48egpio->reg->ppi, dio48egpio->ppi_state, offset, value);  in dio48e_gpio_set()
141 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_set_multiple()  local
143 	i8255_set_multiple(dio48egpio->reg->ppi, dio48egpio->ppi_state, mask,  in dio48e_gpio_set_multiple()
154 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_irq_mask()  local
162 	raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_irq_mask()
165 		dio48egpio->irq_mask &= ~BIT(0);  in dio48e_irq_mask()
167 		dio48egpio->irq_mask &= ~BIT(1);  in dio48e_irq_mask()
170 	if (!dio48egpio->irq_mask)  in dio48e_irq_mask()
172 		ioread8(&dio48egpio->reg->enable_interrupt);  in dio48e_irq_mask()
174 	raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_irq_mask()
180 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_irq_unmask()  local
188 	raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_irq_unmask()
190 	if (!dio48egpio->irq_mask) {  in dio48e_irq_unmask()
192 		iowrite8(0x00, &dio48egpio->reg->clear_interrupt);  in dio48e_irq_unmask()
193 		iowrite8(0x00, &dio48egpio->reg->enable_interrupt);  in dio48e_irq_unmask()
198 		dio48egpio->irq_mask |= BIT(0);  in dio48e_irq_unmask()
200 		dio48egpio->irq_mask |= BIT(1);  in dio48e_irq_unmask()
202 	raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_irq_unmask()
231 	struct dio48e_gpio *const dio48egpio = dev_id;  in dio48e_irq_handler()  local
232 	struct gpio_chip *const chip = &dio48egpio->chip;  in dio48e_irq_handler()
233 	const unsigned long irq_mask = dio48egpio->irq_mask;  in dio48e_irq_handler()
240 	raw_spin_lock(&dio48egpio->lock);  in dio48e_irq_handler()
242 	iowrite8(0x00, &dio48egpio->reg->clear_interrupt);  in dio48e_irq_handler()
244 	raw_spin_unlock(&dio48egpio->lock);  in dio48e_irq_handler()
271 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(gc);  in dio48e_irq_init_hw()  local
274 	ioread8(&dio48egpio->reg->enable_interrupt);  in dio48e_irq_init_hw()
296 	struct dio48e_gpio *dio48egpio;  in dio48e_probe()  local
301 	dio48egpio = devm_kzalloc(dev, sizeof(*dio48egpio), GFP_KERNEL);  in dio48e_probe()
302 	if (!dio48egpio)  in dio48e_probe()
311 	dio48egpio->reg = devm_ioport_map(dev, base[id], DIO48E_EXTENT);  in dio48e_probe()
312 	if (!dio48egpio->reg)  in dio48e_probe()
315 	dio48egpio->chip.label = name;  in dio48e_probe()
316 	dio48egpio->chip.parent = dev;  in dio48e_probe()
317 	dio48egpio->chip.owner = THIS_MODULE;  in dio48e_probe()
318 	dio48egpio->chip.base = -1;  in dio48e_probe()
319 	dio48egpio->chip.ngpio = DIO48E_NGPIO;  in dio48e_probe()
320 	dio48egpio->chip.names = dio48e_names;  in dio48e_probe()
321 	dio48egpio->chip.get_direction = dio48e_gpio_get_direction;  in dio48e_probe()
322 	dio48egpio->chip.direction_input = dio48e_gpio_direction_input;  in dio48e_probe()
323 	dio48egpio->chip.direction_output = dio48e_gpio_direction_output;  in dio48e_probe()
324 	dio48egpio->chip.get = dio48e_gpio_get;  in dio48e_probe()
325 	dio48egpio->chip.get_multiple = dio48e_gpio_get_multiple;  in dio48e_probe()
326 	dio48egpio->chip.set = dio48e_gpio_set;  in dio48e_probe()
327 	dio48egpio->chip.set_multiple = dio48e_gpio_set_multiple;  in dio48e_probe()
329 	girq = &dio48egpio->chip.irq;  in dio48e_probe()
339 	raw_spin_lock_init(&dio48egpio->lock);  in dio48e_probe()
341 	i8255_state_init(dio48egpio->ppi_state, DIO48E_NUM_PPI);  in dio48e_probe()
342 	dio48e_init_ppi(dio48egpio->reg->ppi, dio48egpio->ppi_state);  in dio48e_probe()
344 	err = devm_gpiochip_add_data(dev, &dio48egpio->chip, dio48egpio);  in dio48e_probe()
351 		dio48egpio);  in dio48e_probe()