sandbox.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2018
* Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
*/
#include <common.h>
#include <dm.h>
#include <board.h>
#include "sandbox.h"
struct board_sandbox_priv {
bool called_detect;
int test_i1;
int test_i2;
};
char vacation_spots[][64] = {"R'lyeh", "Dreamlands", "Plateau of Leng",
"Carcosa", "Yuggoth", "The Nameless City"};
int board_sandbox_detect(struct udevice *dev)
{
struct board_sandbox_priv *priv = dev_get_priv(dev);
priv->called_detect = true;
priv->test_i2 = 100;
return 0;
}
int board_sandbox_get_bool(struct udevice *dev, int id, bool *val)
{
struct board_sandbox_priv *priv = dev_get_priv(dev);
switch (id) {
case BOOL_CALLED_DETECT:
/* Checks if the dectect method has been called */
*val = priv->called_detect;
return 0;
}
return -ENOENT;
}
int board_sandbox_get_int(struct udevice *dev, int id, int *val)
{
struct board_sandbox_priv *priv = dev_get_priv(dev);
switch (id) {
case INT_TEST1:
*val = priv->test_i1;
/* Increments with every call */
priv->test_i1++;
return 0;
case INT_TEST2:
*val = priv->test_i2;
/* Decrements with every call */
priv->test_i2--;
return 0;
}
return -ENOENT;
}
int board_sandbox_get_str(struct udevice *dev, int id, size_t size, char *val)
{
struct board_sandbox_priv *priv = dev_get_priv(dev);
int i1 = priv->test_i1;
int i2 = priv->test_i2;
int index = (i1 * i2) % ARRAY_SIZE(vacation_spots);
switch (id) {
case STR_VACATIONSPOT:
/* Picks a vacation spot depending on i1 and i2 */
snprintf(val, size, vacation_spots[index]);
return 0;
}
return -ENOENT;
}
static const struct udevice_id board_sandbox_ids[] = {
{ .compatible = "sandbox,board_sandbox" },
{ /* sentinel */ }
};
static const struct board_ops board_sandbox_ops = {
.detect = board_sandbox_detect,
.get_bool = board_sandbox_get_bool,
.get_int = board_sandbox_get_int,
.get_str = board_sandbox_get_str,
};
int board_sandbox_probe(struct udevice *dev)
{
return 0;
}
U_BOOT_DRIVER(board_sandbox) = {
.name = "board_sandbox",
.id = UCLASS_BOARD,
.of_match = board_sandbox_ids,
.ops = &board_sandbox_ops,
.priv_auto_alloc_size = sizeof(struct board_sandbox_priv),
.probe = board_sandbox_probe,
};