linux/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/base.c

/*
 * Copyright 2011 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Ben Skeggs
 */
#include "priv.h"

#include <core/option.h>

static int
nvkm_gpio_drive(struct nvkm_gpio *gpio, int idx, int line, int dir, int out)
{ … }

static int
nvkm_gpio_sense(struct nvkm_gpio *gpio, int idx, int line)
{ … }

void
nvkm_gpio_reset(struct nvkm_gpio *gpio, u8 func)
{ … }

int
nvkm_gpio_find(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line,
	       struct dcb_gpio_func *func)
{ … }

int
nvkm_gpio_set(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line, int state)
{ … }

int
nvkm_gpio_get(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line)
{ … }

static void
nvkm_gpio_intr_fini(struct nvkm_event *event, int type, int index)
{ … }

static void
nvkm_gpio_intr_init(struct nvkm_event *event, int type, int index)
{ … }

static const struct nvkm_event_func
nvkm_gpio_intr_func = …;

static void
nvkm_gpio_intr(struct nvkm_subdev *subdev)
{ … }

static int
nvkm_gpio_fini(struct nvkm_subdev *subdev, bool suspend)
{ … }

static const struct dmi_system_id gpio_reset_ids[] = …;

static enum dcb_gpio_func_name power_checks[] = …;

static int
nvkm_gpio_init(struct nvkm_subdev *subdev)
{ … }

static void *
nvkm_gpio_dtor(struct nvkm_subdev *subdev)
{ … }

static const struct nvkm_subdev_func
nvkm_gpio = …;

int
nvkm_gpio_new_(const struct nvkm_gpio_func *func, struct nvkm_device *device,
	       enum nvkm_subdev_type type, int inst, struct nvkm_gpio **pgpio)
{ … }