drivers/gpio/gpio-it87.c

49  * struct it87_gpio - it87-specific GPIO chip
61 struct it87_gpio {
71 static struct it87_gpio it87_gpio_chip = {
150 	struct it87_gpio *it87_gpio = gpiochip_get_data(chip);
155 	spin_lock(&it87_gpio->lock);
164 	if (group < it87_gpio->simple_size)
165 		superio_set_mask(mask, group + it87_gpio->simple_base);
170 	superio_clear_mask(mask, group + it87_gpio->output_base);
175 	spin_unlock(&it87_gpio->lock);
183 	struct it87_gpio *it87_gpio = gpiochip_get_data(chip);
186 	reg = (gpio_num / 8) + it87_gpio->io_base;
195 	struct it87_gpio *it87_gpio = gpiochip_get_data(chip);
200 	spin_lock(&it87_gpio->lock);
207 	superio_clear_mask(mask, group + it87_gpio->output_base);
212 	spin_unlock(&it87_gpio->lock);
221 	struct it87_gpio *it87_gpio = gpiochip_get_data(chip);
224 	reg = (gpio_num / 8) + it87_gpio->io_base;
238 	struct it87_gpio *it87_gpio = gpiochip_get_data(chip);
243 	spin_lock(&it87_gpio->lock);
250 	superio_set_mask(mask, group + it87_gpio->output_base);
257 	spin_unlock(&it87_gpio->lock);
279 	struct it87_gpio *it87_gpio = &it87_gpio_chip;
289 	it87_gpio->chip = it87_template_chip;
294 		it87_gpio->io_size = 8;  /* it8613 only needs 6, use 8 for alignment */
295 		it87_gpio->output_base = 0xc8;
296 		it87_gpio->simple_base = 0xc0;
297 		it87_gpio->simple_size = 6;
298 		it87_gpio->chip.ngpio = 64;  /* has 48, use 64 for convenient calc */
303 		it87_gpio->io_size = 11;
304 		it87_gpio->output_base = 0xc8;
305 		it87_gpio->simple_size = 0;
306 		it87_gpio->chip.ngpio = 64;
314 		it87_gpio->io_size = 8;
315 		it87_gpio->output_base = 0xc8;
316 		it87_gpio->simple_base = 0xc0;
317 		it87_gpio->simple_size = 5;
318 		it87_gpio->chip.ngpio = 64;
322 		it87_gpio->io_size = 4;
323 		it87_gpio->output_base = 0xf0;
324 		it87_gpio->simple_size = 0;
325 		it87_gpio->chip.ngpio = 16;
343 	it87_gpio->io_base = superio_inw(gpio_ba_reg);
348 		chip_type, chip_rev, it87_gpio->chip.ngpio,
349 		it87_gpio->io_base);
351 	if (!request_region(it87_gpio->io_base, it87_gpio->io_size,
365 	labels = kcalloc(it87_gpio->chip.ngpio, sizeof("it87_gpXY"),
367 	labels_table = kcalloc(it87_gpio->chip.ngpio, sizeof(const char *),
375 	for (i = 0; i < it87_gpio->chip.ngpio; i++) {
382 	it87_gpio->chip.names = (const char *const*)labels_table;
384 	rc = gpiochip_add_data(&it87_gpio->chip, it87_gpio);
393 	release_region(it87_gpio->io_base, it87_gpio->io_size);
399 	struct it87_gpio *it87_gpio = &it87_gpio_chip;
401 	gpiochip_remove(&it87_gpio->chip);
402 	release_region(it87_gpio->io_base, it87_gpio->io_size);
403 	kfree(it87_gpio->chip.names[0]);
404 	kfree(it87_gpio->chip.names);