dc/gpio/gpio_service.c

58 	struct gpio_service *service;
61 	service = kzalloc(sizeof(struct gpio_service), GFP_KERNEL);
63 	if (!service) {
68 	if (!dal_hw_translate_init(&service->translate, dce_version,
74 	if (!dal_hw_factory_init(&service->factory, dce_version,
83 		service->ctx = ctx;
87 				service->factory.number_of_pins[index_of_id];
91 				service->busyness[index_of_id] =
95 				if (!service->busyness[index_of_id]) {
101 					service->busyness[index_of_id][i] = 0;
105 				service->busyness[index_of_id] = NULL;
112 	return service;
117 		kfree(service->busyness[index_of_id]);
121 	kfree(service);
127 	struct gpio_service *service,
134 	if (!service->translate.funcs->offset_to_id(offset, mask, &id, &en)) {
139 	return dal_gpio_create_irq(service, id, en);
143 	struct gpio_service *service,
151 	if (!service->translate.funcs->offset_to_id(offset, mask, &id, &en)) {
157 		service, id, en, GPIO_PIN_OUTPUT_STATE_DEFAULT);
177 	struct gpio_service *service,
183 	if (service->translate.funcs->id_to_offset) {
184 		service->translate.funcs->id_to_offset(id, en, &pin);
238 	const struct gpio_service *service,
242 	return service->busyness[id][en];
246 	struct gpio_service *service,
250 	service->busyness[id][en] = true;
254 	struct gpio_service *service,
258 	service->busyness[id][en] = false;
262 	struct gpio_service *service,
266 	if (!service->busyness[id]) {
271 	set_pin_busy(service, id, en);
276 	struct gpio_service *service,
280 	if (!service->busyness[id]) {
285 	set_pin_free(service, id, en);
292 	struct gpio_service *service = gpio->service;
300 	if (!service->busyness[id]) {
305 	if (is_pin_busy(service, id, en)) {
312 		*pin = service->factory.funcs->get_ddc_pin(gpio);
313 		service->factory.funcs->define_ddc_registers(*pin, en);
316 		*pin = service->factory.funcs->get_ddc_pin(gpio);
317 		service->factory.funcs->define_ddc_registers(*pin, en);
320 		*pin = service->factory.funcs->get_generic_pin(gpio);
321 		service->factory.funcs->define_generic_registers(*pin, en);
324 		*pin = service->factory.funcs->get_hpd_pin(gpio);
325 		service->factory.funcs->define_hpd_registers(*pin, en);
344 		dal_gpio_service_close(service, pin);
348 	set_pin_busy(service, id, en);
353 	struct gpio_service *service,
366 		set_pin_free(service, pin->id, pin->en);
426 	struct gpio_service *service,
443 		service, id, en, GPIO_PIN_OUTPUT_STATE_DEFAULT);
467 	struct gpio_service *service,
476 	if (!service->translate.funcs->offset_to_id(offset, mask, &id, &en))
487 		service, GPIO_ID_DDC_DATA, en, GPIO_PIN_OUTPUT_STATE_DEFAULT);
495 		service, GPIO_ID_DDC_CLOCK, en, GPIO_PIN_OUTPUT_STATE_DEFAULT);
504 	ddc->ctx = service->ctx;