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- // SPDX-License-Identifier: GPL-2.0
- /*
- * Copyright (C) 2020 Texas Instruments Inc.
- * Pratyush Yadav <p.yadav@ti.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <mux.h>
- #include <mux-internal.h>
- #include <dt-bindings/mux/mux.h>
- #include <asm/test.h>
- #include <dm/test.h>
- #include <test/ut.h>
- #include <console.h>
- #include <rand.h>
- #define BUF_SIZE 256
- /* Test 'mux list' */
- static int dm_test_cmd_mux_list(struct unit_test_state *uts)
- {
- char str[BUF_SIZE], *tok;
- struct udevice *dev;
- struct mux_chip *chip;
- struct mux_control *mux;
- int i;
- unsigned long val;
- sandbox_set_enable_memio(true);
- ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
- &dev));
- chip = dev_get_uclass_priv(dev);
- ut_assertnonnull(chip);
- run_command("mux list", 0);
- ut_assert_nextline("a-mux-controller:");
- /*
- * Check the table header to make sure we are not out of sync with the
- * code in the command. If we are, catch it early.
- */
- console_record_readline(str, BUF_SIZE);
- tok = strtok(str, " ");
- ut_asserteq_str("ID", tok);
- tok = strtok(NULL, " ");
- ut_asserteq_str("Selected", tok);
- tok = strtok(NULL, " ");
- ut_asserteq_str("Current", tok);
- tok = strtok(NULL, " ");
- ut_asserteq_str("State", tok);
- tok = strtok(NULL, " ");
- ut_asserteq_str("Idle", tok);
- tok = strtok(NULL, " ");
- ut_asserteq_str("State", tok);
- tok = strtok(NULL, " ");
- ut_asserteq_str("Num", tok);
- tok = strtok(NULL, " ");
- ut_asserteq_str("States", tok);
- for (i = 0; i < chip->controllers; i++) {
- mux = &chip->mux[i];
- console_record_readline(str, BUF_SIZE);
- /*
- * Check if the ID printed matches with the ID of the chip we
- * have.
- */
- tok = strtok(str, " ");
- ut_assertok(strict_strtoul(tok, 10, &val));
- ut_asserteq(i, val);
- /* Check if mux selection state matches. */
- tok = strtok(NULL, " ");
- if (mux->in_use) {
- ut_asserteq_str("yes", tok);
- } else {
- ut_asserteq_str("no", tok);
- }
- /* Check if the current state matches. */
- tok = strtok(NULL, " ");
- if (mux->cached_state == MUX_IDLE_AS_IS) {
- ut_asserteq_str("unknown", tok);
- } else {
- ut_assertok(strict_strtoul(tok, 16, &val));
- ut_asserteq(mux->cached_state, val);
- }
- /* Check if the idle state matches */
- tok = strtok(NULL, " ");
- if (mux->idle_state == MUX_IDLE_AS_IS) {
- ut_asserteq_str("as-is", tok);
- } else {
- ut_assertok(strict_strtoul(tok, 16, &val));
- ut_asserteq(mux->idle_state, val);
- }
- /* Check if the number of states matches */
- tok = strtok(NULL, " ");
- ut_assertok(strict_strtoul(tok, 16, &val));
- ut_asserteq(mux->states, val);
- }
- return 0;
- }
- DM_TEST(dm_test_cmd_mux_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- static int dm_test_cmd_mux_select(struct unit_test_state *uts)
- {
- struct udevice *dev;
- struct mux_chip *chip;
- struct mux_control *mux;
- char cmd[BUF_SIZE];
- unsigned int i, state;
- sandbox_set_enable_memio(true);
- ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
- &dev));
- chip = dev_get_uclass_priv(dev);
- ut_assertnonnull(chip);
- srand(get_ticks() + rand());
- for (i = 0; i < chip->controllers; i++) {
- mux = &chip->mux[i];
- state = rand() % mux->states;
- snprintf(cmd, BUF_SIZE, "mux select a-mux-controller %x %x", i,
- state);
- run_command(cmd, 0);
- ut_asserteq(!!mux->in_use, true);
- ut_asserteq(state, mux->cached_state);
- ut_assertok(mux_control_deselect(mux));
- }
- return 0;
- }
- DM_TEST(dm_test_cmd_mux_select, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- static int dm_test_cmd_mux_deselect(struct unit_test_state *uts)
- {
- struct udevice *dev;
- struct mux_chip *chip;
- struct mux_control *mux;
- char cmd[BUF_SIZE];
- unsigned int i, state;
- sandbox_set_enable_memio(true);
- ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
- &dev));
- chip = dev_get_uclass_priv(dev);
- ut_assertnonnull(chip);
- srand(get_ticks() + rand());
- for (i = 0; i < chip->controllers; i++) {
- mux = &chip->mux[i];
- state = rand() % mux->states;
- ut_assertok(mux_control_select(mux, state));
- snprintf(cmd, BUF_SIZE, "mux deselect a-mux-controller %d", i);
- run_command(cmd, 0);
- ut_asserteq(!!mux->in_use, false);
- }
- return 0;
- }
- DM_TEST(dm_test_cmd_mux_deselect, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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