subdev/gpio/base.c

29 nvkm_gpio_drive(struct nvkm_gpio *gpio, int idx, int line, int dir, int out)
31 	return gpio->func->drive(gpio, line, dir, out);
35 nvkm_gpio_sense(struct nvkm_gpio *gpio, int idx, int line)
37 	return gpio->func->sense(gpio, line);
41 nvkm_gpio_reset(struct nvkm_gpio *gpio, u8 func)
43 	if (gpio->func->reset)
44 		gpio->func->reset(gpio, func);
48 nvkm_gpio_find(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line,
51 	struct nvkm_device *device = gpio->subdev.device;
80 nvkm_gpio_set(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line, int state)
85 	ret = nvkm_gpio_find(gpio, idx, tag, line, &func);
89 		ret = nvkm_gpio_drive(gpio, idx, func.line, dir, out);
96 nvkm_gpio_get(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line)
101 	ret = nvkm_gpio_find(gpio, idx, tag, line, &func);
103 		ret = nvkm_gpio_sense(gpio, idx, func.line);
114 	struct nvkm_gpio *gpio = container_of(event, typeof(*gpio), event);
115 	gpio->func->intr_mask(gpio, type, 1 << index, 0);
121 	struct nvkm_gpio *gpio = container_of(event, typeof(*gpio), event);
122 	gpio->func->intr_mask(gpio, type, 1 << index, 1 << index);
134 	struct nvkm_gpio *gpio = nvkm_gpio(subdev);
137 	gpio->func->intr_stat(gpio, &hi, &lo);
139 	for (i = 0; (hi | lo) && i < gpio->func->lines; i++) {
142 		nvkm_event_ntfy(&gpio->event, i, mask);
149 	struct nvkm_gpio *gpio = nvkm_gpio(subdev);
150 	u32 mask = (1ULL << gpio->func->lines) - 1;
152 	gpio->func->intr_mask(gpio, NVKM_GPIO_TOGGLED, mask, 0);
153 	gpio->func->intr_stat(gpio, &mask, &mask);
177 	struct nvkm_gpio *gpio = nvkm_gpio(subdev);
183 		nvkm_gpio_reset(gpio, DCB_GPIO_UNUSED);
187 			ret = nvkm_gpio_find(gpio, 0, power_checks[i],
192 			ret = nvkm_gpio_get(gpio, 0, func.func, func.line);
196 			nvkm_error(&gpio->subdev,
211 	struct nvkm_gpio *gpio = nvkm_gpio(subdev);
212 	nvkm_event_fini(&gpio->event);
213 	return gpio;
228 	struct nvkm_gpio *gpio;
230 	if (!(gpio = *pgpio = kzalloc(sizeof(*gpio), GFP_KERNEL)))
233 	nvkm_subdev_ctor(&nvkm_gpio, device, type, inst, &gpio->subdev);
234 	gpio->func = func;
236 	return nvkm_event_init(&nvkm_gpio_intr_func, &gpio->subdev, 2, func->lines, &gpio->event);