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