diff options
Diffstat (limited to 'test/dm/mux-cmd.c')
| -rw-r--r-- | test/dm/mux-cmd.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/test/dm/mux-cmd.c b/test/dm/mux-cmd.c new file mode 100644 index 0000000000..11c237b5da --- /dev/null +++ b/test/dm/mux-cmd.c @@ -0,0 +1,177 @@ +// 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); |