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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
* Pratyush Yadav <p.yadav@ti.com>
*/
#include <dm.h>
#include <mux.h>
#include <mux-internal.h>
#include <dm/test.h>
#include <test/ut.h>
#include <asm/global_data.h>
struct mux_emul_priv {
u32 state;
};
static int mux_emul_set(struct mux_control *mux, int state)
{
struct mux_emul_priv *priv = dev_get_priv(mux->dev);
priv->state = state;
return 0;
}
static int mux_emul_probe(struct udevice *dev)
{
struct mux_chip *mux_chip = dev_get_uclass_priv(dev);
struct mux_control *mux;
u32 idle_state;
int ret;
ret = mux_alloc_controllers(dev, 1);
if (ret < 0)
return ret;
mux = &mux_chip->mux[0];
ret = dev_read_u32(dev, "idle-state", &idle_state);
if (ret)
return ret;
mux->idle_state = idle_state;
mux->states = 0x100000;
return 0;
}
static const struct mux_control_ops mux_emul_ops = {
.set = mux_emul_set,
};
static const struct udevice_id mux_emul_of_match[] = {
{ .compatible = "mux-emul" },
{ /* sentinel */ },
};
U_BOOT_DRIVER(emul_mux) = {
.name = "mux-emul",
.id = UCLASS_MUX,
.of_match = mux_emul_of_match,
.ops = &mux_emul_ops,
.probe = mux_emul_probe,
.priv_auto = sizeof(struct mux_emul_priv),
};
static int dm_test_mux_emul_default_state(struct unit_test_state *uts)
{
struct udevice *dev;
struct mux_control *mux;
struct mux_emul_priv *priv;
ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
&dev));
ut_assertok(mux_control_get(dev, "mux4", &mux));
priv = dev_get_priv(mux->dev);
ut_asserteq(0xabcd, priv->state);
return 0;
}
DM_TEST(dm_test_mux_emul_default_state, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_mux_emul_select_deselect(struct unit_test_state *uts)
{
struct udevice *dev;
struct mux_control *mux;
struct mux_emul_priv *priv;
gd->flags &= ~(GD_FLG_SILENT | GD_FLG_RECORD);
ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
&dev));
ut_assertok(mux_control_get(dev, "mux4", &mux));
priv = dev_get_priv(mux->dev);
ut_assertok(mux_control_select(mux, 0x1234));
ut_asserteq(priv->state, 0x1234);
ut_assertok(mux_control_deselect(mux));
ut_asserteq(priv->state, 0xabcd);
return 0;
}
DM_TEST(dm_test_mux_emul_select_deselect, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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