linux/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv4e.c

/*
 * Copyright 2015 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 busions 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 <[email protected]>
 */
#define nv4e_i2c_bus(p) …
#include "bus.h"

struct nv4e_i2c_bus { … };

static void
nv4e_i2c_bus_drive_scl(struct nvkm_i2c_bus *base, int state)
{ … }

static void
nv4e_i2c_bus_drive_sda(struct nvkm_i2c_bus *base, int state)
{ … }

static int
nv4e_i2c_bus_sense_scl(struct nvkm_i2c_bus *base)
{ … }

static int
nv4e_i2c_bus_sense_sda(struct nvkm_i2c_bus *base)
{ … }

static const struct nvkm_i2c_bus_func
nv4e_i2c_bus_func = …;

int
nv4e_i2c_bus_new(struct nvkm_i2c_pad *pad, int id, u8 drive,
		 struct nvkm_i2c_bus **pbus)
{ … }