Lines Matching refs:gpio
125 struct pcf857x *gpio = gpiochip_get_data(chip); in pcf857x_input() local
128 mutex_lock(&gpio->lock); in pcf857x_input()
129 gpio->out |= (1 << offset); in pcf857x_input()
130 status = gpio->write(gpio->client, gpio->out); in pcf857x_input()
131 mutex_unlock(&gpio->lock); in pcf857x_input()
138 struct pcf857x *gpio = gpiochip_get_data(chip); in pcf857x_get() local
141 value = gpio->read(gpio->client); in pcf857x_get()
147 struct pcf857x *gpio = gpiochip_get_data(chip); in pcf857x_output() local
151 mutex_lock(&gpio->lock); in pcf857x_output()
153 gpio->out |= bit; in pcf857x_output()
155 gpio->out &= ~bit; in pcf857x_output()
156 status = gpio->write(gpio->client, gpio->out); in pcf857x_output()
157 mutex_unlock(&gpio->lock); in pcf857x_output()
171 struct pcf857x *gpio = data; in pcf857x_irq() local
174 status = gpio->read(gpio->client); in pcf857x_irq()
180 mutex_lock(&gpio->lock); in pcf857x_irq()
181 change = (gpio->status ^ status) & gpio->irq_enabled; in pcf857x_irq()
182 gpio->status = status; in pcf857x_irq()
183 mutex_unlock(&gpio->lock); in pcf857x_irq()
185 for_each_set_bit(i, &change, gpio->chip.ngpio) in pcf857x_irq()
186 handle_nested_irq(irq_find_mapping(gpio->chip.irq.domain, i)); in pcf857x_irq()
198 struct pcf857x *gpio = irq_data_get_irq_chip_data(data); in pcf857x_irq_set_wake() local
200 return irq_set_irq_wake(gpio->client->irq, on); in pcf857x_irq_set_wake()
205 struct pcf857x *gpio = irq_data_get_irq_chip_data(data); in pcf857x_irq_enable() local
207 gpio->irq_enabled |= (1 << data->hwirq); in pcf857x_irq_enable()
212 struct pcf857x *gpio = irq_data_get_irq_chip_data(data); in pcf857x_irq_disable() local
214 gpio->irq_enabled &= ~(1 << data->hwirq); in pcf857x_irq_disable()
219 struct pcf857x *gpio = irq_data_get_irq_chip_data(data); in pcf857x_irq_bus_lock() local
221 mutex_lock(&gpio->lock); in pcf857x_irq_bus_lock()
226 struct pcf857x *gpio = irq_data_get_irq_chip_data(data); in pcf857x_irq_bus_sync_unlock() local
228 mutex_unlock(&gpio->lock); in pcf857x_irq_bus_sync_unlock()
238 struct pcf857x *gpio; in pcf857x_probe() local
250 gpio = devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL); in pcf857x_probe()
251 if (!gpio) in pcf857x_probe()
254 mutex_init(&gpio->lock); in pcf857x_probe()
256 gpio->chip.base = pdata ? pdata->gpio_base : -1; in pcf857x_probe()
257 gpio->chip.can_sleep = true; in pcf857x_probe()
258 gpio->chip.parent = &client->dev; in pcf857x_probe()
259 gpio->chip.owner = THIS_MODULE; in pcf857x_probe()
260 gpio->chip.get = pcf857x_get; in pcf857x_probe()
261 gpio->chip.set = pcf857x_set; in pcf857x_probe()
262 gpio->chip.direction_input = pcf857x_input; in pcf857x_probe()
263 gpio->chip.direction_output = pcf857x_output; in pcf857x_probe()
264 gpio->chip.ngpio = id->driver_data; in pcf857x_probe()
277 if (gpio->chip.ngpio == 8) { in pcf857x_probe()
278 gpio->write = i2c_write_le8; in pcf857x_probe()
279 gpio->read = i2c_read_le8; in pcf857x_probe()
295 } else if (gpio->chip.ngpio == 16) { in pcf857x_probe()
296 gpio->write = i2c_write_le16; in pcf857x_probe()
297 gpio->read = i2c_read_le16; in pcf857x_probe()
314 gpio->chip.label = client->name; in pcf857x_probe()
316 gpio->client = client; in pcf857x_probe()
317 i2c_set_clientdata(client, gpio); in pcf857x_probe()
334 gpio->out = ~n_latch; in pcf857x_probe()
335 gpio->status = gpio->read(gpio->client); in pcf857x_probe()
341 gpio->irqchip.name = "pcf857x"; in pcf857x_probe()
342 gpio->irqchip.irq_enable = pcf857x_irq_enable; in pcf857x_probe()
343 gpio->irqchip.irq_disable = pcf857x_irq_disable; in pcf857x_probe()
344 gpio->irqchip.irq_ack = noop; in pcf857x_probe()
345 gpio->irqchip.irq_mask = noop; in pcf857x_probe()
346 gpio->irqchip.irq_unmask = noop; in pcf857x_probe()
347 gpio->irqchip.irq_set_wake = pcf857x_irq_set_wake; in pcf857x_probe()
348 gpio->irqchip.irq_bus_lock = pcf857x_irq_bus_lock; in pcf857x_probe()
349 gpio->irqchip.irq_bus_sync_unlock = pcf857x_irq_bus_sync_unlock; in pcf857x_probe()
354 dev_name(&client->dev), gpio); in pcf857x_probe()
358 girq = &gpio->chip.irq; in pcf857x_probe()
359 girq->chip = &gpio->irqchip; in pcf857x_probe()
369 status = devm_gpiochip_add_data(&client->dev, &gpio->chip, gpio); in pcf857x_probe()
378 gpio->chip.base, gpio->chip.ngpio, in pcf857x_probe()
398 struct pcf857x *gpio = i2c_get_clientdata(client); in pcf857x_remove() local
403 gpio->chip.base, gpio->chip.ngpio, in pcf857x_remove()
417 struct pcf857x *gpio = i2c_get_clientdata(client); in pcf857x_shutdown() local
420 gpio->write(gpio->client, BIT(gpio->chip.ngpio) - 1); in pcf857x_shutdown()