diff options
Diffstat (limited to 'zephyr/test/drivers/src/bc12.c')
| -rw-r--r-- | zephyr/test/drivers/src/bc12.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/zephyr/test/drivers/src/bc12.c b/zephyr/test/drivers/src/bc12.c deleted file mode 100644 index 4251448f2c..0000000000 --- a/zephyr/test/drivers/src/bc12.c +++ /dev/null @@ -1,280 +0,0 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include <zephyr.h> -#include <ztest.h> -#include <drivers/gpio.h> -#include <drivers/gpio/gpio_emul.h> - -#include "emul/emul_pi3usb9201.h" - -#include "timer.h" -#include "usb_charge.h" -#include "battery.h" -#include "extpower.h" -#include "stubs.h" - -#include <logging/log.h> -LOG_MODULE_REGISTER(test_drivers_bc12, LOG_LEVEL_DBG); - -#define EMUL_LABEL DT_NODELABEL(pi3usb9201_emul) - -#define PI3USB9201_ORD DT_DEP_ORD(EMUL_LABEL) - -/* Control_1 register bit definitions */ -#define PI3USB9201_REG_CTRL_1_INT_MASK BIT(0) -#define PI3USB9201_REG_CTRL_1_MODE_SHIFT 1 -#define PI3USB9201_REG_CTRL_1_MODE_MASK (0x7 << \ - PI3USB9201_REG_CTRL_1_MODE_SHIFT) - -/* Control_2 register bit definitions */ -#define PI3USB9201_REG_CTRL_2_AUTO_SW BIT(1) -#define PI3USB9201_REG_CTRL_2_START_DET BIT(3) - -/* Host status register bit definitions */ -#define PI3USB9201_REG_HOST_STS_BC12_DET BIT(0) -#define PI3USB9201_REG_HOST_STS_DEV_PLUG BIT(1) -#define PI3USB9201_REG_HOST_STS_DEV_UNPLUG BIT(2) - -enum pi3usb9201_mode { - PI3USB9201_POWER_DOWN, - PI3USB9201_SDP_HOST_MODE, - PI3USB9201_DCP_HOST_MODE, - PI3USB9201_CDP_HOST_MODE, - PI3USB9201_CLIENT_MODE, - PI3USB9201_RESERVED_1, - PI3USB9201_RESERVED_2, - PI3USB9201_USB_PATH_ON, -}; - -enum pi3usb9201_client_sts { - CHG_OTHER = 0, - CHG_2_4A, - CHG_2_0A, - CHG_1_0A, - CHG_RESERVED, - CHG_CDP, - CHG_SDP, - CHG_DCP, -}; - -struct bc12_status { - enum charge_supplier supplier; - int current_limit; -}; - -static const struct bc12_status bc12_chg_limits[] = { - [CHG_OTHER] = { .supplier = CHARGE_SUPPLIER_OTHER, - .current_limit = 500 }, - [CHG_2_4A] = { .supplier = CHARGE_SUPPLIER_PROPRIETARY, - .current_limit = USB_CHARGER_MAX_CURR_MA }, - [CHG_2_0A] = { .supplier = CHARGE_SUPPLIER_PROPRIETARY, - .current_limit = USB_CHARGER_MAX_CURR_MA }, - [CHG_1_0A] = { .supplier = CHARGE_SUPPLIER_PROPRIETARY, - .current_limit = 1000 }, - [CHG_RESERVED] = { .supplier = CHARGE_SUPPLIER_NONE, - .current_limit = 0 }, - [CHG_CDP] = { .supplier = CHARGE_SUPPLIER_BC12_CDP, - .current_limit = USB_CHARGER_MAX_CURR_MA }, - [CHG_SDP] = { .supplier = CHARGE_SUPPLIER_BC12_SDP, - .current_limit = 500 }, -#if defined(CONFIG_CHARGE_RAMP_SW) || defined(CONFIG_CHARGE_RAMP_HW) - [CHG_DCP] = { .supplier = CHARGE_SUPPLIER_BC12_DCP, - .current_limit = USB_CHARGER_MAX_CURR_MA }, -#else - [CHG_DCP] = { .supplier = CHARGE_SUPPLIER_BC12_DCP, - .current_limit = 500 }, -#endif -}; - -#define GPIO_BATT_PRES_ODL_PATH DT_PATH(named_gpios, ec_batt_pres_odl) -#define GPIO_BATT_PRES_ODL_PORT DT_GPIO_PIN(GPIO_BATT_PRES_ODL_PATH, gpios) - -#define GPIO_ACOK_OD_PATH DT_PATH(named_gpios, acok_od) -#define GPIO_ACOK_OD_PORT DT_GPIO_PIN(GPIO_ACOK_OD_PATH, gpios) - -static void test_bc12_pi3usb9201_host_mode(void) -{ - struct i2c_emul *emul = pi3usb9201_emul_get(PI3USB9201_ORD); - uint8_t a, b; - - /* - * Pretend that the USB-C Port Manager (TCPMv2) has set the port data - * role to DFP. - */ - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_DR_DFP); - msleep(1); - /* - * Expect the pi3usb9201 driver to configure CDP host mode and unmask - * interrupts. - */ - pi3usb9201_emul_get_reg(emul, PI3USB9201_REG_CTRL_1, &a); - b = PI3USB9201_CDP_HOST_MODE << PI3USB9201_REG_CTRL_1_MODE_SHIFT; - zassert_equal(a, b, NULL); - - /* Pretend that a device has been plugged in. */ - msleep(500); - pi3usb9201_emul_set_reg(emul, PI3USB9201_REG_HOST_STS, - PI3USB9201_REG_HOST_STS_DEV_PLUG); - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); - msleep(1); - /* Expect the pi3usb9201 driver to configure SDP host mode. */ - pi3usb9201_emul_get_reg(emul, PI3USB9201_REG_CTRL_1, &a); - b = PI3USB9201_SDP_HOST_MODE << PI3USB9201_REG_CTRL_1_MODE_SHIFT; - zassert_equal(a, b, NULL); - pi3usb9201_emul_set_reg(emul, PI3USB9201_REG_HOST_STS, 0); - - /* Pretend that a device has been unplugged. */ - msleep(500); - pi3usb9201_emul_set_reg(emul, PI3USB9201_REG_HOST_STS, - PI3USB9201_REG_HOST_STS_DEV_UNPLUG); - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); - msleep(1); - /* Expect the pi3usb9201 driver to configure CDP host mode. */ - pi3usb9201_emul_get_reg(emul, PI3USB9201_REG_CTRL_1, &a); - b = PI3USB9201_CDP_HOST_MODE << PI3USB9201_REG_CTRL_1_MODE_SHIFT; - zassert_equal(a, b, NULL); - pi3usb9201_emul_set_reg(emul, PI3USB9201_REG_HOST_STS, 0); -} - -static void test_bc12_pi3usb9201_client_mode( - enum pi3usb9201_client_sts detect_result, - enum charge_supplier supplier, int current_limit) -{ - struct i2c_emul *emul = pi3usb9201_emul_get(PI3USB9201_ORD); - uint8_t a, b; - int port, voltage; - - /* - * Pretend that the USB-C Port Manager (TCPMv2) has set the port data - * role to UFP and decided charging from the port is allowed. - */ - msleep(500); - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_DR_UFP); - charge_manager_update_dualrole(USBC_PORT_C0, CAP_DEDICATED); - msleep(1); - /* - * Expect the pi3usb9201 driver to configure client mode and start - * detection. - */ - pi3usb9201_emul_get_reg(emul, PI3USB9201_REG_CTRL_1, &a); - b = PI3USB9201_CLIENT_MODE << PI3USB9201_REG_CTRL_1_MODE_SHIFT; - zassert_equal(a, b, NULL); - pi3usb9201_emul_get_reg(emul, PI3USB9201_REG_CTRL_2, &a); - b = PI3USB9201_REG_CTRL_2_START_DET; - zassert_equal(a, b, NULL); - - /* Pretend that detection completed. */ - msleep(500); - pi3usb9201_emul_set_reg(emul, PI3USB9201_REG_CLIENT_STS, - 1 << detect_result); - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); - msleep(1); - /* Expect the pi3usb9201 driver to clear the start bit. */ - pi3usb9201_emul_get_reg(emul, PI3USB9201_REG_CTRL_2, &a); - zassert_equal(a, 0, NULL); - pi3usb9201_emul_set_reg(emul, PI3USB9201_REG_CLIENT_STS, 0); - /* - * Expect the charge manager to select the detected BC1.2 supplier. - */ - port = CHARGE_PORT_NONE; - voltage = 0; - if (supplier != CHARGE_SUPPLIER_NONE) { - port = USBC_PORT_C0; - voltage = USB_CHARGER_VOLTAGE_MV; - } - zassert_equal(charge_manager_get_active_charge_port(), - port, NULL); - zassert_equal(charge_manager_get_supplier(), - supplier, NULL); - zassert_equal(charge_manager_get_charger_current(), - current_limit, NULL); - zassert_equal(charge_manager_get_charger_voltage(), - voltage, NULL); - - /* - * Pretend that the USB-C Port Manager (TCPMv2) has set the port data - * role to disconnected. - */ - msleep(500); - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_CC_OPEN); - msleep(1); - /* - * Expect the pi3usb9201 driver to configure power down mode and mask - * interrupts. - */ - pi3usb9201_emul_get_reg(emul, PI3USB9201_REG_CTRL_1, &a); - b = PI3USB9201_POWER_DOWN << PI3USB9201_REG_CTRL_1_MODE_SHIFT; - b |= PI3USB9201_REG_CTRL_1_INT_MASK; - zassert_equal(a, b, NULL); - /* Expect the charge manager to have no active supplier. */ - zassert_equal(charge_manager_get_active_charge_port(), - CHARGE_PORT_NONE, NULL); - zassert_equal(charge_manager_get_supplier(), - CHARGE_SUPPLIER_NONE, NULL); - zassert_equal(charge_manager_get_charger_current(), 0, NULL); - zassert_equal(charge_manager_get_charger_voltage(), 0, NULL); -} - -/* - * PI3USB9201 is a dual-role BC1.2 charger detector/advertiser used on USB - * ports. It can be programmed to operate in host mode or client mode through - * I2C. When operating as a host, PI3USB9201 enables BC1.2 SDP/CDP/DCP - * advertisement to the attached USB devices via the D+/- connection. When - * operating as a client, PI3USB9201 starts BC1.2 detection to detect the - * attached host type. In both host mode and client mode, the detection results - * are reported through I2C to the controller. - */ -static void test_bc12_pi3usb9201(void) -{ - const struct device *batt_pres_dev = - DEVICE_DT_GET(DT_GPIO_CTLR(GPIO_BATT_PRES_ODL_PATH, gpios)); - const struct device *acok_dev = - DEVICE_DT_GET(DT_GPIO_CTLR(GPIO_ACOK_OD_PATH, gpios)); - struct i2c_emul *emul = pi3usb9201_emul_get(PI3USB9201_ORD); - uint8_t a, b; - - /* Pretend we have battery and AC so charging works normally. */ - zassert_ok(gpio_emul_input_set(batt_pres_dev, - GPIO_BATT_PRES_ODL_PORT, 0), NULL); - zassert_equal(BP_YES, battery_is_present(), NULL); - zassert_ok(gpio_emul_input_set(acok_dev, GPIO_ACOK_OD_PORT, 1), NULL); - msleep(CONFIG_EXTPOWER_DEBOUNCE_MS + 1); - zassert_equal(1, extpower_is_present(), NULL); - - /* Wait long enough for TCPMv2 to be idle. */ - msleep(2000); - - /* - * Pretend that the USB-C Port Manager (TCPMv2) has set the port data - * role to disconnected. - */ - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_CC_OPEN); - task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_CC_OPEN); - msleep(1); - /* - * Expect the pi3usb9201 driver to configure power down mode and mask - * interrupts. - */ - pi3usb9201_emul_get_reg(emul, PI3USB9201_REG_CTRL_1, &a); - b = PI3USB9201_POWER_DOWN << PI3USB9201_REG_CTRL_1_MODE_SHIFT; - b |= PI3USB9201_REG_CTRL_1_INT_MASK; - zassert_equal(a, b, NULL); - - test_bc12_pi3usb9201_host_mode(); - - for (int c = CHG_OTHER; c <= CHG_DCP; c++) { - test_bc12_pi3usb9201_client_mode(c, - bc12_chg_limits[c].supplier, - bc12_chg_limits[c].current_limit); - } -} - -void test_suite_bc12(void) -{ - ztest_test_suite(bc12, - ztest_user_unit_test(test_bc12_pi3usb9201)); - ztest_run_test_suite(bc12); -} |