51 		dev_err(&client->dev, "Read Error\n");  in adp5588_gpio_read()
61 		dev_err(&client->dev, "Write Error\n");  in adp5588_gpio_write()
68 	struct adp5588_gpio *dev =  in adp5588_gpio_get_value()  local
74 	mutex_lock(&dev->lock);  in adp5588_gpio_get_value()
76 	if (dev->dir[bank] & bit)  in adp5588_gpio_get_value()
77 		val = dev->dat_out[bank];  in adp5588_gpio_get_value()
79 		val = adp5588_gpio_read(dev->client, GPIO_DAT_STAT1 + bank);  in adp5588_gpio_get_value()
81 	mutex_unlock(&dev->lock);  in adp5588_gpio_get_value()
90 	struct adp5588_gpio *dev =  in adp5588_gpio_set_value()  local
96 	mutex_lock(&dev->lock);  in adp5588_gpio_set_value()
98 		dev->dat_out[bank] |= bit;  in adp5588_gpio_set_value()
100 		dev->dat_out[bank] &= ~bit;  in adp5588_gpio_set_value()
102 	adp5588_gpio_write(dev->client, GPIO_DAT_OUT1 + bank,  in adp5588_gpio_set_value()
103 			   dev->dat_out[bank]);  in adp5588_gpio_set_value()
104 	mutex_unlock(&dev->lock);  in adp5588_gpio_set_value()
111 	struct adp5588_gpio *dev =  in adp5588_gpio_direction_input()  local
116 	mutex_lock(&dev->lock);  in adp5588_gpio_direction_input()
117 	dev->dir[bank] &= ~ADP5588_BIT(off);  in adp5588_gpio_direction_input()
118 	ret = adp5588_gpio_write(dev->client, GPIO_DIR1 + bank, dev->dir[bank]);  in adp5588_gpio_direction_input()
119 	mutex_unlock(&dev->lock);  in adp5588_gpio_direction_input()
129 	struct adp5588_gpio *dev =  in adp5588_gpio_direction_output()  local
135 	mutex_lock(&dev->lock);  in adp5588_gpio_direction_output()
136 	dev->dir[bank] |= bit;  in adp5588_gpio_direction_output()
139 		dev->dat_out[bank] |= bit;  in adp5588_gpio_direction_output()
141 		dev->dat_out[bank] &= ~bit;  in adp5588_gpio_direction_output()
143 	ret = adp5588_gpio_write(dev->client, GPIO_DAT_OUT1 + bank,  in adp5588_gpio_direction_output()
144 				 dev->dat_out[bank]);  in adp5588_gpio_direction_output()
145 	ret |= adp5588_gpio_write(dev->client, GPIO_DIR1 + bank,  in adp5588_gpio_direction_output()
146 				 dev->dir[bank]);  in adp5588_gpio_direction_output()
147 	mutex_unlock(&dev->lock);  in adp5588_gpio_direction_output()
155 	struct adp5588_gpio *dev =  in adp5588_gpio_to_irq()  local
157 	return dev->irq_base + off;  in adp5588_gpio_to_irq()
162 	struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);  in adp5588_irq_bus_lock()  local
164 	mutex_lock(&dev->irq_lock);  in adp5588_irq_bus_lock()
177 	struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);  in adp5588_irq_bus_sync_unlock()  local
181 		if (dev->int_en[i] ^ dev->irq_mask[i]) {  in adp5588_irq_bus_sync_unlock()
182 			dev->int_en[i] = dev->irq_mask[i];  in adp5588_irq_bus_sync_unlock()
183 			adp5588_gpio_write(dev->client, GPIO_INT_EN1 + i,  in adp5588_irq_bus_sync_unlock()
184 					   dev->int_en[i]);  in adp5588_irq_bus_sync_unlock()
187 	mutex_unlock(&dev->irq_lock);  in adp5588_irq_bus_sync_unlock()
192 	struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);  in adp5588_irq_mask()  local
193 	unsigned gpio = d->irq - dev->irq_base;  in adp5588_irq_mask()
195 	dev->irq_mask[ADP5588_BANK(gpio)] &= ~ADP5588_BIT(gpio);  in adp5588_irq_mask()
200 	struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);  in adp5588_irq_unmask()  local
201 	unsigned gpio = d->irq - dev->irq_base;  in adp5588_irq_unmask()
203 	dev->irq_mask[ADP5588_BANK(gpio)] |= ADP5588_BIT(gpio);  in adp5588_irq_unmask()
208 	struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);  in adp5588_irq_set_type()  local
209 	uint16_t gpio = d->irq - dev->irq_base;  in adp5588_irq_set_type()
213 		dev_err(&dev->client->dev, "irq %d: unsupported type %d\n",  in adp5588_irq_set_type()
222 		dev->int_lvl[bank] |= bit;  in adp5588_irq_set_type()
224 		dev->int_lvl[bank] &= ~bit;  in adp5588_irq_set_type()
228 	adp5588_gpio_direction_input(&dev->gpio_chip, gpio);  in adp5588_irq_set_type()
229 	adp5588_gpio_write(dev->client, GPIO_INT_LVL1 + bank,  in adp5588_irq_set_type()
230 			   dev->int_lvl[bank]);  in adp5588_irq_set_type()
249 		dev_err(&client->dev, "Read INT_STAT Error\n");  in adp5588_gpio_read_intstat()
256 	struct adp5588_gpio *dev = devid;  in adp5588_irq_handler()  local
259 	status = adp5588_gpio_read(dev->client, INT_STAT);  in adp5588_irq_handler()
262 		ret = adp5588_gpio_read_intstat(dev->client, dev->irq_stat);  in adp5588_irq_handler()
264 			memset(dev->irq_stat, 0, ARRAY_SIZE(dev->irq_stat));  in adp5588_irq_handler()
268 			pending = dev->irq_stat[bank] & dev->irq_mask[bank];  in adp5588_irq_handler()
272 					handle_nested_irq(dev->irq_base +  in adp5588_irq_handler()
282 	adp5588_gpio_write(dev->client, INT_STAT, status); /* Status is W1C */  in adp5588_irq_handler()
287 static int adp5588_irq_setup(struct adp5588_gpio *dev)  in adp5588_irq_setup()  argument
289 	struct i2c_client *client = dev->client;  in adp5588_irq_setup()
291 			dev_get_platdata(&client->dev);  in adp5588_irq_setup()
297 	adp5588_gpio_read_intstat(client, dev->irq_stat); /* read to clear */  in adp5588_irq_setup()
299 	dev->irq_base = pdata->irq_base;  in adp5588_irq_setup()
300 	mutex_init(&dev->irq_lock);  in adp5588_irq_setup()
302 	for (gpio = 0; gpio < dev->gpio_chip.ngpio; gpio++) {  in adp5588_irq_setup()
303 		int irq = gpio + dev->irq_base;  in adp5588_irq_setup()
304 		irq_set_chip_data(irq, dev);  in adp5588_irq_setup()
315 				   dev_name(&client->dev), dev);  in adp5588_irq_setup()
317 		dev_err(&client->dev, "failed to request irq %d\n",  in adp5588_irq_setup()
322 	dev->gpio_chip.to_irq = adp5588_gpio_to_irq;  in adp5588_irq_setup()
329 	dev->irq_base = 0;  in adp5588_irq_setup()
333 static void adp5588_irq_teardown(struct adp5588_gpio *dev)  in adp5588_irq_teardown()  argument
335 	if (dev->irq_base)  in adp5588_irq_teardown()
336 		free_irq(dev->client->irq, dev);  in adp5588_irq_teardown()
340 static int adp5588_irq_setup(struct adp5588_gpio *dev)  in adp5588_irq_setup()  argument
342 	struct i2c_client *client = dev->client;  in adp5588_irq_setup()
343 	dev_warn(&client->dev, "interrupt support not compiled in\n");  in adp5588_irq_setup()
348 static void adp5588_irq_teardown(struct adp5588_gpio *dev)  in adp5588_irq_teardown()  argument
357 			dev_get_platdata(&client->dev);  in adp5588_gpio_probe()
358 	struct adp5588_gpio *dev;  in adp5588_gpio_probe()  local
363 		dev_err(&client->dev, "missing platform data\n");  in adp5588_gpio_probe()
369 		dev_err(&client->dev, "SMBUS Byte Data not Supported\n");  in adp5588_gpio_probe()
373 	dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL);  in adp5588_gpio_probe()
374 	if (!dev)  in adp5588_gpio_probe()
377 	dev->client = client;  in adp5588_gpio_probe()
379 	gc = &dev->gpio_chip;  in adp5588_gpio_probe()
392 	mutex_init(&dev->lock);  in adp5588_gpio_probe()
394 	ret = adp5588_gpio_read(dev->client, DEV_ID);  in adp5588_gpio_probe()
401 		dev->dat_out[i] = adp5588_gpio_read(client, GPIO_DAT_OUT1 + i);  in adp5588_gpio_probe()
402 		dev->dir[i] = adp5588_gpio_read(client, GPIO_DIR1 + i);  in adp5588_gpio_probe()
413 			dev_warn(&client->dev, "GPIO int not supported\n");  in adp5588_gpio_probe()
415 			ret = adp5588_irq_setup(dev);  in adp5588_gpio_probe()
421 	ret = gpiochip_add(&dev->gpio_chip);  in adp5588_gpio_probe()
425 	dev_info(&client->dev, "IRQ Base: %d Rev.: %d\n",  in adp5588_gpio_probe()
431 			dev_warn(&client->dev, "setup failed, %d\n", ret);  in adp5588_gpio_probe()
434 	i2c_set_clientdata(client, dev);  in adp5588_gpio_probe()
439 	adp5588_irq_teardown(dev);  in adp5588_gpio_probe()
447 			dev_get_platdata(&client->dev);  in adp5588_gpio_remove()
448 	struct adp5588_gpio *dev = i2c_get_clientdata(client);  in adp5588_gpio_remove()  local
453 				      dev->gpio_chip.base, dev->gpio_chip.ngpio,  in adp5588_gpio_remove()
456 			dev_err(&client->dev, "teardown failed %d\n", ret);  in adp5588_gpio_remove()
461 	if (dev->irq_base)  in adp5588_gpio_remove()
462 		free_irq(dev->client->irq, dev);  in adp5588_gpio_remove()
464 	gpiochip_remove(&dev->gpio_chip);  in adp5588_gpio_remove()