58 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_get_direction()  local
62 	if (dio48egpio->io_state[port] & mask)  in dio48e_gpio_get_direction()
70 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_direction_input()  local
73 	const unsigned control_addr = dio48egpio->base + 3 + control_port*4;  in dio48e_gpio_direction_input()
77 	raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_gpio_direction_input()
83 			dio48egpio->io_state[io_port] |= 0xF0;  in dio48e_gpio_direction_input()
84 			dio48egpio->control[control_port] |= BIT(3);  in dio48e_gpio_direction_input()
86 			dio48egpio->io_state[io_port] |= 0x0F;  in dio48e_gpio_direction_input()
87 			dio48egpio->control[control_port] |= BIT(0);  in dio48e_gpio_direction_input()
90 		dio48egpio->io_state[io_port] |= 0xFF;  in dio48e_gpio_direction_input()
92 			dio48egpio->control[control_port] |= BIT(4);  in dio48e_gpio_direction_input()
94 			dio48egpio->control[control_port] |= BIT(1);  in dio48e_gpio_direction_input()
97 	control = BIT(7) | dio48egpio->control[control_port];  in dio48e_gpio_direction_input()
102 	raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_gpio_direction_input()
110 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_direction_output()  local
114 	const unsigned control_addr = dio48egpio->base + 3 + control_port*4;  in dio48e_gpio_direction_output()
119 	raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_gpio_direction_output()
125 			dio48egpio->io_state[io_port] &= 0x0F;  in dio48e_gpio_direction_output()
126 			dio48egpio->control[control_port] &= ~BIT(3);  in dio48e_gpio_direction_output()
128 			dio48egpio->io_state[io_port] &= 0xF0;  in dio48e_gpio_direction_output()
129 			dio48egpio->control[control_port] &= ~BIT(0);  in dio48e_gpio_direction_output()
132 		dio48egpio->io_state[io_port] &= 0x00;  in dio48e_gpio_direction_output()
134 			dio48egpio->control[control_port] &= ~BIT(4);  in dio48e_gpio_direction_output()
136 			dio48egpio->control[control_port] &= ~BIT(1);  in dio48e_gpio_direction_output()
140 		dio48egpio->out_state[io_port] |= mask;  in dio48e_gpio_direction_output()
142 		dio48egpio->out_state[io_port] &= ~mask;  in dio48e_gpio_direction_output()
144 	control = BIT(7) | dio48egpio->control[control_port];  in dio48e_gpio_direction_output()
147 	outb(dio48egpio->out_state[io_port], dio48egpio->base + out_port);  in dio48e_gpio_direction_output()
152 	raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_gpio_direction_output()
159 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_get()  local
166 	raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_gpio_get()
169 	if (!(dio48egpio->io_state[port] & mask)) {  in dio48e_gpio_get()
170 		raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_gpio_get()
174 	port_state = inb(dio48egpio->base + in_port);  in dio48e_gpio_get()
176 	raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_gpio_get()
186 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_get_multiple()  local
196 		port_addr = dio48egpio->base + ports[offset / 8];  in dio48e_gpio_get_multiple()
207 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_set()  local
213 	raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_gpio_set()
216 		dio48egpio->out_state[port] |= mask;  in dio48e_gpio_set()
218 		dio48egpio->out_state[port] &= ~mask;  in dio48e_gpio_set()
220 	outb(dio48egpio->out_state[port], dio48egpio->base + out_port);  in dio48e_gpio_set()
222 	raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_gpio_set()
228 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_gpio_set_multiple()  local
238 		port_addr = dio48egpio->base + ports[index];  in dio48e_gpio_set_multiple()
242 		raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_gpio_set_multiple()
245 		dio48egpio->out_state[index] &= ~gpio_mask;  in dio48e_gpio_set_multiple()
246 		dio48egpio->out_state[index] |= bitmask;  in dio48e_gpio_set_multiple()
247 		outb(dio48egpio->out_state[index], port_addr);  in dio48e_gpio_set_multiple()
249 		raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_gpio_set_multiple()
260 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_irq_mask()  local
268 	raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_irq_mask()
271 		dio48egpio->irq_mask &= ~BIT(0);  in dio48e_irq_mask()
273 		dio48egpio->irq_mask &= ~BIT(1);  in dio48e_irq_mask()
275 	if (!dio48egpio->irq_mask)  in dio48e_irq_mask()
277 		inb(dio48egpio->base + 0xB);  in dio48e_irq_mask()
279 	raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_irq_mask()
285 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(chip);  in dio48e_irq_unmask()  local
293 	raw_spin_lock_irqsave(&dio48egpio->lock, flags);  in dio48e_irq_unmask()
295 	if (!dio48egpio->irq_mask) {  in dio48e_irq_unmask()
297 		outb(0x00, dio48egpio->base + 0xF);  in dio48e_irq_unmask()
298 		outb(0x00, dio48egpio->base + 0xB);  in dio48e_irq_unmask()
302 		dio48egpio->irq_mask |= BIT(0);  in dio48e_irq_unmask()
304 		dio48egpio->irq_mask |= BIT(1);  in dio48e_irq_unmask()
306 	raw_spin_unlock_irqrestore(&dio48egpio->lock, flags);  in dio48e_irq_unmask()
333 	struct dio48e_gpio *const dio48egpio = dev_id;  in dio48e_irq_handler()  local
334 	struct gpio_chip *const chip = &dio48egpio->chip;  in dio48e_irq_handler()
335 	const unsigned long irq_mask = dio48egpio->irq_mask;  in dio48e_irq_handler()
342 	raw_spin_lock(&dio48egpio->lock);  in dio48e_irq_handler()
344 	outb(0x00, dio48egpio->base + 0xF);  in dio48e_irq_handler()
346 	raw_spin_unlock(&dio48egpio->lock);  in dio48e_irq_handler()
373 	struct dio48e_gpio *const dio48egpio = gpiochip_get_data(gc);  in dio48e_irq_init_hw()  local
376 	inb(dio48egpio->base + 0xB);  in dio48e_irq_init_hw()
383 	struct dio48e_gpio *dio48egpio;  in dio48e_probe()  local
388 	dio48egpio = devm_kzalloc(dev, sizeof(*dio48egpio), GFP_KERNEL);  in dio48e_probe()
389 	if (!dio48egpio)  in dio48e_probe()
398 	dio48egpio->chip.label = name;  in dio48e_probe()
399 	dio48egpio->chip.parent = dev;  in dio48e_probe()
400 	dio48egpio->chip.owner = THIS_MODULE;  in dio48e_probe()
401 	dio48egpio->chip.base = -1;  in dio48e_probe()
402 	dio48egpio->chip.ngpio = DIO48E_NGPIO;  in dio48e_probe()
403 	dio48egpio->chip.names = dio48e_names;  in dio48e_probe()
404 	dio48egpio->chip.get_direction = dio48e_gpio_get_direction;  in dio48e_probe()
405 	dio48egpio->chip.direction_input = dio48e_gpio_direction_input;  in dio48e_probe()
406 	dio48egpio->chip.direction_output = dio48e_gpio_direction_output;  in dio48e_probe()
407 	dio48egpio->chip.get = dio48e_gpio_get;  in dio48e_probe()
408 	dio48egpio->chip.get_multiple = dio48e_gpio_get_multiple;  in dio48e_probe()
409 	dio48egpio->chip.set = dio48e_gpio_set;  in dio48e_probe()
410 	dio48egpio->chip.set_multiple = dio48e_gpio_set_multiple;  in dio48e_probe()
411 	dio48egpio->base = base[id];  in dio48e_probe()
413 	girq = &dio48egpio->chip.irq;  in dio48e_probe()
423 	raw_spin_lock_init(&dio48egpio->lock);  in dio48e_probe()
437 	err = devm_gpiochip_add_data(dev, &dio48egpio->chip, dio48egpio);  in dio48e_probe()
444 		dio48egpio);  in dio48e_probe()