75 static int gpio_config(struct ljca_gpio_dev *ljca_gpio, u8 gpio_id, u8 config)  in gpio_config()  argument
77 	struct gpio_packet *packet = (struct gpio_packet *)ljca_gpio->obuf;  in gpio_config()
80 	mutex_lock(&ljca_gpio->trans_lock);  in gpio_config()
82 	packet->item[0].value = config | ljca_gpio->connect_mode[gpio_id];  in gpio_config()
85 	ret = ljca_transfer(ljca_gpio->gpio_info->ljca, LJCA_GPIO_CONFIG, packet,  in gpio_config()
87 	mutex_unlock(&ljca_gpio->trans_lock);  in gpio_config()
91 static int ljca_gpio_read(struct ljca_gpio_dev *ljca_gpio, u8 gpio_id)  in ljca_gpio_read()  argument
93 	struct gpio_packet *packet = (struct gpio_packet *)ljca_gpio->obuf;  in ljca_gpio_read()
94 	struct gpio_packet *ack_packet = (struct gpio_packet *)ljca_gpio->ibuf;  in ljca_gpio_read()
98 	mutex_lock(&ljca_gpio->trans_lock);  in ljca_gpio_read()
101 	ret = ljca_transfer(ljca_gpio->gpio_info->ljca, LJCA_GPIO_READ, packet,  in ljca_gpio_read()
102 			    struct_size(packet, item, packet->num), ljca_gpio->ibuf, &ibuf_len);  in ljca_gpio_read()
107 		dev_err(&ljca_gpio->pdev->dev, "failed gpio_id:%u %u", gpio_id, ack_packet->num);  in ljca_gpio_read()
112 	mutex_unlock(&ljca_gpio->trans_lock);  in ljca_gpio_read()
118 static int ljca_gpio_write(struct ljca_gpio_dev *ljca_gpio, u8 gpio_id,  in ljca_gpio_write()  argument
121 	struct gpio_packet *packet = (struct gpio_packet *)ljca_gpio->obuf;  in ljca_gpio_write()
124 	mutex_lock(&ljca_gpio->trans_lock);  in ljca_gpio_write()
129 	ret = ljca_transfer(ljca_gpio->gpio_info->ljca, LJCA_GPIO_WRITE, packet,  in ljca_gpio_write()
131 	mutex_unlock(&ljca_gpio->trans_lock);  in ljca_gpio_write()
137 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(chip);  in ljca_gpio_get_value()  local
139 	return ljca_gpio_read(ljca_gpio, offset);  in ljca_gpio_get_value()
145 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(chip);  in ljca_gpio_set_value()  local
148 	ret = ljca_gpio_write(ljca_gpio, offset, val);  in ljca_gpio_set_value()
156 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(chip);  in ljca_gpio_direction_input()  local
159 	return gpio_config(ljca_gpio, offset, config);  in ljca_gpio_direction_input()
165 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(chip);  in ljca_gpio_direction_output()  local
169 	ret = gpio_config(ljca_gpio, offset, config);  in ljca_gpio_direction_output()
180 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(chip);  in ljca_gpio_set_config()  local
182 	ljca_gpio->connect_mode[offset] = 0;  in ljca_gpio_set_config()
185 		ljca_gpio->connect_mode[offset] |= LJCA_GPIO_CONF_PULLUP;  in ljca_gpio_set_config()
188 		ljca_gpio->connect_mode[offset] |= LJCA_GPIO_CONF_PULLDOWN;  in ljca_gpio_set_config()
203 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(chip);  in ljca_gpio_init_valid_mask()  local
205 	WARN_ON_ONCE(ngpios != ljca_gpio->gpio_info->num);  in ljca_gpio_init_valid_mask()
206 	bitmap_copy(valid_mask, ljca_gpio->gpio_info->valid_pin_map, ngpios);  in ljca_gpio_init_valid_mask()
217 static int ljca_enable_irq(struct ljca_gpio_dev *ljca_gpio, int gpio_id, bool enable)  in ljca_enable_irq()  argument
219 	struct gpio_packet *packet = (struct gpio_packet *)ljca_gpio->obuf;  in ljca_enable_irq()
222 	mutex_lock(&ljca_gpio->trans_lock);  in ljca_enable_irq()
227 	ret = ljca_transfer(ljca_gpio->gpio_info->ljca,  in ljca_enable_irq()
230 	mutex_unlock(&ljca_gpio->trans_lock);  in ljca_enable_irq()
236 	struct ljca_gpio_dev *ljca_gpio = container_of(work, struct ljca_gpio_dev, work);  in ljca_gpio_async()  local
240 	for_each_set_bit(gpio_id, ljca_gpio->reenable_irqs, ljca_gpio->gc.ngpio) {  in ljca_gpio_async()
241 		clear_bit(gpio_id, ljca_gpio->reenable_irqs);  in ljca_gpio_async()
242 		unmasked = test_bit(gpio_id, ljca_gpio->unmasked_irqs);  in ljca_gpio_async()
244 			ljca_enable_irq(ljca_gpio, gpio_id, true);  in ljca_gpio_async()
251 	struct ljca_gpio_dev *ljca_gpio = context;  in ljca_gpio_event_cb()  local
259 		irq = irq_find_mapping(ljca_gpio->gc.irq.domain, packet->item[i].index);  in ljca_gpio_event_cb()
261 			dev_err(ljca_gpio->gc.parent, "gpio_id %u does not mapped to IRQ yet\n",  in ljca_gpio_event_cb()
266 		generic_handle_domain_irq(ljca_gpio->gc.irq.domain, irq);  in ljca_gpio_event_cb()
267 		set_bit(packet->item[i].index, ljca_gpio->reenable_irqs);  in ljca_gpio_event_cb()
270 	schedule_work(&ljca_gpio->work);  in ljca_gpio_event_cb()
276 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(gc);  in ljca_irq_unmask()  local
280 	set_bit(gpio_id, ljca_gpio->unmasked_irqs);  in ljca_irq_unmask()
286 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(gc);  in ljca_irq_mask()  local
289 	clear_bit(gpio_id, ljca_gpio->unmasked_irqs);  in ljca_irq_mask()
296 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(gc);  in ljca_irq_set_type()  local
299 	ljca_gpio->connect_mode[gpio_id] = LJCA_GPIO_CONF_INTERRUPT;  in ljca_irq_set_type()
302 		ljca_gpio->connect_mode[gpio_id] |= (LJCA_GPIO_CONF_LEVEL | LJCA_GPIO_CONF_PULLUP);  in ljca_irq_set_type()
305 		ljca_gpio->connect_mode[gpio_id] |= (LJCA_GPIO_CONF_LEVEL | LJCA_GPIO_CONF_PULLDOWN);  in ljca_irq_set_type()
310 		ljca_gpio->connect_mode[gpio_id] |= (LJCA_GPIO_CONF_EDGE | LJCA_GPIO_CONF_PULLUP);  in ljca_irq_set_type()
313 		ljca_gpio->connect_mode[gpio_id] |= (LJCA_GPIO_CONF_EDGE | LJCA_GPIO_CONF_PULLDOWN);  in ljca_irq_set_type()
325 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(gc);  in ljca_irq_bus_lock()  local
327 	mutex_lock(&ljca_gpio->irq_lock);  in ljca_irq_bus_lock()
333 	struct ljca_gpio_dev *ljca_gpio = gpiochip_get_data(gc);  in ljca_irq_bus_unlock()  local
338 	enabled = test_bit(gpio_id, ljca_gpio->enabled_irqs);  in ljca_irq_bus_unlock()
339 	unmasked = test_bit(gpio_id, ljca_gpio->unmasked_irqs);  in ljca_irq_bus_unlock()
343 			gpio_config(ljca_gpio, gpio_id, 0);  in ljca_irq_bus_unlock()
344 			ljca_enable_irq(ljca_gpio, gpio_id, true);  in ljca_irq_bus_unlock()
345 			set_bit(gpio_id, ljca_gpio->enabled_irqs);  in ljca_irq_bus_unlock()
347 			ljca_enable_irq(ljca_gpio, gpio_id, false);  in ljca_irq_bus_unlock()
348 			clear_bit(gpio_id, ljca_gpio->enabled_irqs);  in ljca_irq_bus_unlock()
352 	mutex_unlock(&ljca_gpio->irq_lock);  in ljca_irq_bus_unlock()
368 	struct ljca_gpio_dev *ljca_gpio;  in ljca_gpio_probe()  local
372 	ljca_gpio = devm_kzalloc(&pdev->dev, sizeof(*ljca_gpio), GFP_KERNEL);  in ljca_gpio_probe()
373 	if (!ljca_gpio)  in ljca_gpio_probe()
376 	ljca_gpio->gpio_info = dev_get_platdata(&pdev->dev);  in ljca_gpio_probe()
377 	ljca_gpio->connect_mode = devm_kcalloc(&pdev->dev, ljca_gpio->gpio_info->num,  in ljca_gpio_probe()
378 					       sizeof(*ljca_gpio->connect_mode), GFP_KERNEL);  in ljca_gpio_probe()
379 	if (!ljca_gpio->connect_mode)  in ljca_gpio_probe()
382 	mutex_init(&ljca_gpio->irq_lock);  in ljca_gpio_probe()
383 	mutex_init(&ljca_gpio->trans_lock);  in ljca_gpio_probe()
384 	ljca_gpio->pdev = pdev;  in ljca_gpio_probe()
385 	ljca_gpio->gc.direction_input = ljca_gpio_direction_input;  in ljca_gpio_probe()
386 	ljca_gpio->gc.direction_output = ljca_gpio_direction_output;  in ljca_gpio_probe()
387 	ljca_gpio->gc.get = ljca_gpio_get_value;  in ljca_gpio_probe()
388 	ljca_gpio->gc.set = ljca_gpio_set_value;  in ljca_gpio_probe()
389 	ljca_gpio->gc.set_config = ljca_gpio_set_config;  in ljca_gpio_probe()
390 	ljca_gpio->gc.init_valid_mask = ljca_gpio_init_valid_mask;  in ljca_gpio_probe()
391 	ljca_gpio->gc.can_sleep = true;  in ljca_gpio_probe()
392 	ljca_gpio->gc.parent = &pdev->dev;  in ljca_gpio_probe()
394 	ljca_gpio->gc.base = -1;  in ljca_gpio_probe()
395 	ljca_gpio->gc.ngpio = ljca_gpio->gpio_info->num;  in ljca_gpio_probe()
396 	ljca_gpio->gc.label = ACPI_COMPANION(&pdev->dev) ?  in ljca_gpio_probe()
399 	ljca_gpio->gc.owner = THIS_MODULE;  in ljca_gpio_probe()
401 	platform_set_drvdata(pdev, ljca_gpio);  in ljca_gpio_probe()
402 	ljca_register_event_cb(ljca_gpio->gpio_info->ljca, ljca_gpio_event_cb, ljca_gpio);  in ljca_gpio_probe()
404 	girq = &ljca_gpio->gc.irq;  in ljca_gpio_probe()
413 	INIT_WORK(&ljca_gpio->work, ljca_gpio_async);  in ljca_gpio_probe()
414 	ret = gpiochip_add_data(&ljca_gpio->gc, ljca_gpio);  in ljca_gpio_probe()
416 		ljca_unregister_event_cb(ljca_gpio->gpio_info->ljca);  in ljca_gpio_probe()
417 		mutex_destroy(&ljca_gpio->irq_lock);  in ljca_gpio_probe()
418 		mutex_destroy(&ljca_gpio->trans_lock);  in ljca_gpio_probe()
426 	struct ljca_gpio_dev *ljca_gpio = platform_get_drvdata(pdev);  in ljca_gpio_remove()  local
428 	gpiochip_remove(&ljca_gpio->gc);  in ljca_gpio_remove()
429 	ljca_unregister_event_cb(ljca_gpio->gpio_info->ljca);  in ljca_gpio_remove()
430 	mutex_destroy(&ljca_gpio->irq_lock);  in ljca_gpio_remove()
431 	mutex_destroy(&ljca_gpio->trans_lock);  in ljca_gpio_remove()