diff options
Diffstat (limited to 'zephyr/test/krabby/src/usbc_config.c')
| -rw-r--r-- | zephyr/test/krabby/src/usbc_config.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/zephyr/test/krabby/src/usbc_config.c b/zephyr/test/krabby/src/usbc_config.c new file mode 100644 index 0000000000..0b6c8bc80d --- /dev/null +++ b/zephyr/test/krabby/src/usbc_config.c @@ -0,0 +1,131 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "adc.h" +#include "charge_manager.h" +#include "driver/ppc/syv682x.h" +#include "driver/ppc/syv682x_public.h" +#include "emul/emul_common_i2c.h" +#include "emul/emul_syv682x.h" +#include "i2c/i2c.h" +#include "usb_pd.h" +#include "usbc_ppc.h" + +#include <zephyr/devicetree.h> +#include <zephyr/drivers/emul.h> +#include <zephyr/ztest.h> + +bool ppc_sink_enabled(int port) +{ + const struct emul *emul = (port == 0) ? + EMUL_DT_GET(DT_NODELABEL(ppc0_emul)) : + EMUL_DT_GET(DT_NODELABEL(ppc1_emul)); + uint8_t val = 0; + + syv682x_emul_get_reg(emul, SYV682X_CONTROL_1_REG, &val); + + return !(val & (SYV682X_CONTROL_1_PWR_ENB | SYV682X_CONTROL_1_HV_DR)); +} + +ZTEST(usbc_config, test_set_active_charge_port) +{ + /* reset ppc state */ + zassert_ok(board_set_active_charge_port(CHARGE_PORT_NONE), NULL); + zassert_false(ppc_sink_enabled(0), NULL); + zassert_false(ppc_sink_enabled(1), NULL); + + /* sourcing port 0, expect port 0 not sinkable */ + zassert_ok(pd_set_power_supply_ready(0)); + zassert_not_equal(board_set_active_charge_port(0), 0, NULL); + zassert_true(board_vbus_source_enabled(0), NULL); + zassert_false(board_vbus_source_enabled(1), NULL); + zassert_false(ppc_sink_enabled(0), NULL); + zassert_false(ppc_sink_enabled(1), NULL); + + /* sinking port 1 */ + zassert_ok(board_set_active_charge_port(1), NULL); + zassert_false(ppc_sink_enabled(0), NULL); + zassert_true(ppc_sink_enabled(1), NULL); + + /* + * sinking an invalid port should return error and doesn't change + * any state + */ + zassert_not_equal(board_set_active_charge_port(2), 0, NULL); + zassert_true(board_vbus_source_enabled(0), NULL); + zassert_false(board_vbus_source_enabled(1), NULL); + zassert_false(ppc_sink_enabled(0), NULL); + zassert_true(ppc_sink_enabled(1), NULL); + + /* turn of sourcing, sinking port 0 */ + pd_power_supply_reset(0); + zassert_ok(board_set_active_charge_port(0), NULL); + zassert_true(ppc_sink_enabled(0), NULL); + zassert_false(ppc_sink_enabled(1), NULL); + + /* sinking port 1 */ + zassert_ok(board_set_active_charge_port(1), NULL); + zassert_false(ppc_sink_enabled(0), NULL); + zassert_true(ppc_sink_enabled(1), NULL); + + /* back to port 0 */ + zassert_ok(board_set_active_charge_port(0), NULL); + zassert_true(ppc_sink_enabled(0), NULL); + zassert_false(ppc_sink_enabled(1), NULL); + + /* reset */ + zassert_ok(board_set_active_charge_port(CHARGE_PORT_NONE), NULL); + zassert_false(board_vbus_source_enabled(0), NULL); + zassert_false(board_vbus_source_enabled(1), NULL); + zassert_false(ppc_sink_enabled(0), NULL); + zassert_false(ppc_sink_enabled(1), NULL); +} + +ZTEST(usbc_config, test_set_active_charge_port_fail) +{ + const struct emul *ppc0 = EMUL_DT_GET(DT_NODELABEL(ppc0_emul)); + + /* Verify that failure on ppc0 doesn't affect ppc1 */ + i2c_common_emul_set_write_fail_reg( + emul_syv682x_get_i2c_common_data(ppc0), + I2C_COMMON_EMUL_FAIL_ALL_REG); + + zassert_ok(board_set_active_charge_port(1), NULL); + zassert_true(ppc_sink_enabled(1), NULL); + zassert_ok(board_set_active_charge_port(CHARGE_PORT_NONE), NULL); + zassert_false(ppc_sink_enabled(1), NULL); + zassert_ok(board_set_active_charge_port(1), NULL); + zassert_true(ppc_sink_enabled(1), NULL); + + /* trying to enable ppc0 results in error */ + zassert_not_equal(board_set_active_charge_port(0), 0, NULL); + zassert_false(ppc_sink_enabled(1), NULL); +} + +ZTEST(usbc_config, test_adc_channel) +{ + zassert_equal(board_get_vbus_adc(0), ADC_VBUS_C0, NULL); + zassert_equal(board_get_vbus_adc(1), ADC_VBUS_C1, NULL); + zassert_equal(board_get_vbus_adc(99), ADC_VBUS_C0, NULL); +} + +static void reset_ppc_state(void *fixture) +{ + const struct emul *ppc0 = EMUL_DT_GET(DT_NODELABEL(ppc0_emul)); + const struct emul *ppc1 = EMUL_DT_GET(DT_NODELABEL(ppc1_emul)); + + i2c_common_emul_set_write_fail_reg( + emul_syv682x_get_i2c_common_data(ppc0), + I2C_COMMON_EMUL_NO_FAIL_REG); + i2c_common_emul_set_write_fail_reg( + emul_syv682x_get_i2c_common_data(ppc1), + I2C_COMMON_EMUL_NO_FAIL_REG); + + ppc_vbus_source_enable(0, false); + ppc_vbus_source_enable(1, false); + board_set_active_charge_port(CHARGE_PORT_NONE); +} + +ZTEST_SUITE(usbc_config, NULL, NULL, reset_ppc_state, NULL, NULL); |