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-rw-r--r--tests/qtest/adm1272-test.c445
-rw-r--r--tests/qtest/emc141x-test.c2
-rw-r--r--tests/qtest/max34451-test.c336
-rw-r--r--tests/qtest/meson.build2
-rw-r--r--tests/qtest/npcm7xx_smbus-test.c2
-rw-r--r--tests/qtest/tmp105-test.c2
6 files changed, 786 insertions, 3 deletions
diff --git a/tests/qtest/adm1272-test.c b/tests/qtest/adm1272-test.c
new file mode 100644
index 0000000..63f8514
--- /dev/null
+++ b/tests/qtest/adm1272-test.c
@@ -0,0 +1,445 @@
+/*
+ * QTests for the ADM1272 hotswap controller
+ *
+ * Copyright 2021 Google LLC
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include <math.h>
+#include "hw/i2c/pmbus_device.h"
+#include "libqtest-single.h"
+#include "libqos/qgraph.h"
+#include "libqos/i2c.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qnum.h"
+#include "qemu/bitops.h"
+
+#define TEST_ID "adm1272-test"
+#define TEST_ADDR (0x10)
+
+#define ADM1272_RESTART_TIME 0xCC
+#define ADM1272_MFR_PEAK_IOUT 0xD0
+#define ADM1272_MFR_PEAK_VIN 0xD1
+#define ADM1272_MFR_PEAK_VOUT 0xD2
+#define ADM1272_MFR_PMON_CONTROL 0xD3
+#define ADM1272_MFR_PMON_CONFIG 0xD4
+#define ADM1272_MFR_ALERT1_CONFIG 0xD5
+#define ADM1272_MFR_ALERT2_CONFIG 0xD6
+#define ADM1272_MFR_PEAK_TEMPERATURE 0xD7
+#define ADM1272_MFR_DEVICE_CONFIG 0xD8
+#define ADM1272_MFR_POWER_CYCLE 0xD9
+#define ADM1272_MFR_PEAK_PIN 0xDA
+#define ADM1272_MFR_READ_PIN_EXT 0xDB
+#define ADM1272_MFR_READ_EIN_EXT 0xDC
+
+#define ADM1272_HYSTERESIS_LOW 0xF2
+#define ADM1272_HYSTERESIS_HIGH 0xF3
+#define ADM1272_STATUS_HYSTERESIS 0xF4
+#define ADM1272_STATUS_GPIO 0xF5
+#define ADM1272_STRT_UP_IOUT_LIM 0xF6
+
+/* Defaults */
+#define ADM1272_OPERATION_DEFAULT 0x80
+#define ADM1272_CAPABILITY_DEFAULT 0xB0
+#define ADM1272_CAPABILITY_NO_PEC 0x30
+#define ADM1272_DIRECT_MODE 0x40
+#define ADM1272_HIGH_LIMIT_DEFAULT 0x0FFF
+#define ADM1272_PIN_OP_DEFAULT 0x7FFF
+#define ADM1272_PMBUS_REVISION_DEFAULT 0x22
+#define ADM1272_MFR_ID_DEFAULT "ADI"
+#define ADM1272_MODEL_DEFAULT "ADM1272-A1"
+#define ADM1272_MFR_DEFAULT_REVISION "25"
+#define ADM1272_DEFAULT_DATE "160301"
+#define ADM1272_RESTART_TIME_DEFAULT 0x64
+#define ADM1272_PMON_CONTROL_DEFAULT 0x1
+#define ADM1272_PMON_CONFIG_DEFAULT 0x3F35
+#define ADM1272_DEVICE_CONFIG_DEFAULT 0x8
+#define ADM1272_HYSTERESIS_HIGH_DEFAULT 0xFFFF
+#define ADM1272_STRT_UP_IOUT_LIM_DEFAULT 0x000F
+#define ADM1272_VOLT_DEFAULT 12000
+#define ADM1272_IOUT_DEFAULT 25000
+#define ADM1272_PWR_DEFAULT 300 /* 12V 25A */
+#define ADM1272_SHUNT 300 /* micro-ohms */
+#define ADM1272_VOLTAGE_COEFF_DEFAULT 1
+#define ADM1272_CURRENT_COEFF_DEFAULT 3
+#define ADM1272_PWR_COEFF_DEFAULT 7
+#define ADM1272_IOUT_OFFSET 0x5000
+#define ADM1272_IOUT_OFFSET 0x5000
+
+static const PMBusCoefficients adm1272_coefficients[] = {
+ [0] = { 6770, 0, -2 }, /* voltage, vrange 60V */
+ [1] = { 4062, 0, -2 }, /* voltage, vrange 100V */
+ [2] = { 1326, 20480, -1 }, /* current, vsense range 15mV */
+ [3] = { 663, 20480, -1 }, /* current, vsense range 30mV */
+ [4] = { 3512, 0, -2 }, /* power, vrange 60V, irange 15mV */
+ [5] = { 21071, 0, -3 }, /* power, vrange 100V, irange 15mV */
+ [6] = { 17561, 0, -3 }, /* power, vrange 60V, irange 30mV */
+ [7] = { 10535, 0, -3 }, /* power, vrange 100V, irange 30mV */
+ [8] = { 42, 31871, -1 }, /* temperature */
+};
+
+uint16_t pmbus_data2direct_mode(PMBusCoefficients c, uint32_t value)
+{
+ /* R is usually negative to fit large readings into 16 bits */
+ uint16_t y = (c.m * value + c.b) * pow(10, c.R);
+ return y;
+}
+
+uint32_t pmbus_direct_mode2data(PMBusCoefficients c, uint16_t value)
+{
+ /* X = (Y * 10^-R - b) / m */
+ uint32_t x = (value / pow(10, c.R) - c.b) / c.m;
+ return x;
+}
+
+
+static uint16_t adm1272_millivolts_to_direct(uint32_t value)
+{
+ PMBusCoefficients c = adm1272_coefficients[ADM1272_VOLTAGE_COEFF_DEFAULT];
+ c.b = c.b * 1000;
+ c.R = c.R - 3;
+ return pmbus_data2direct_mode(c, value);
+}
+
+static uint32_t adm1272_direct_to_millivolts(uint16_t value)
+{
+ PMBusCoefficients c = adm1272_coefficients[ADM1272_VOLTAGE_COEFF_DEFAULT];
+ c.b = c.b * 1000;
+ c.R = c.R - 3;
+ return pmbus_direct_mode2data(c, value);
+}
+
+static uint16_t adm1272_milliamps_to_direct(uint32_t value)
+{
+ PMBusCoefficients c = adm1272_coefficients[ADM1272_CURRENT_COEFF_DEFAULT];
+ /* Y = (m * r_sense * x - b) * 10^R */
+ c.m = c.m * ADM1272_SHUNT / 1000; /* micro-ohms */
+ c.b = c.b * 1000;
+ c.R = c.R - 3;
+ return pmbus_data2direct_mode(c, value);
+}
+
+static uint32_t adm1272_direct_to_milliamps(uint16_t value)
+{
+ PMBusCoefficients c = adm1272_coefficients[ADM1272_CURRENT_COEFF_DEFAULT];
+ c.m = c.m * ADM1272_SHUNT / 1000;
+ c.b = c.b * 1000;
+ c.R = c.R - 3;
+ return pmbus_direct_mode2data(c, value);
+}
+
+static uint16_t adm1272_watts_to_direct(uint32_t value)
+{
+ PMBusCoefficients c = adm1272_coefficients[ADM1272_PWR_COEFF_DEFAULT];
+ c.m = c.m * ADM1272_SHUNT / 1000;
+ return pmbus_data2direct_mode(c, value);
+}
+
+static uint32_t adm1272_direct_to_watts(uint16_t value)
+{
+ PMBusCoefficients c = adm1272_coefficients[ADM1272_PWR_COEFF_DEFAULT];
+ c.m = c.m * ADM1272_SHUNT / 1000;
+ return pmbus_direct_mode2data(c, value);
+}
+
+static uint16_t qmp_adm1272_get(const char *id, const char *property)
+{
+ QDict *response;
+ uint64_t ret;
+
+ response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, "
+ "'property': %s } }", id, property);
+ g_assert(qdict_haskey(response, "return"));
+ ret = qnum_get_uint(qobject_to(QNum, qdict_get(response, "return")));
+ qobject_unref(response);
+ return ret;
+}
+
+static void qmp_adm1272_set(const char *id,
+ const char *property,
+ uint16_t value)
+{
+ QDict *response;
+
+ response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, "
+ "'property': %s, 'value': %u } }", id, property, value);
+ g_assert(qdict_haskey(response, "return"));
+ qobject_unref(response);
+}
+
+/* PMBus commands are little endian vs i2c_set16 in i2c.h which is big endian */
+static uint16_t adm1272_i2c_get16(QI2CDevice *i2cdev, uint8_t reg)
+{
+ uint8_t resp[2];
+ i2c_read_block(i2cdev, reg, resp, sizeof(resp));
+ return (resp[1] << 8) | resp[0];
+}
+
+/* PMBus commands are little endian vs i2c_set16 in i2c.h which is big endian */
+static void adm1272_i2c_set16(QI2CDevice *i2cdev, uint8_t reg, uint16_t value)
+{
+ uint8_t data[2];
+
+ data[0] = value & 255;
+ data[1] = value >> 8;
+ i2c_write_block(i2cdev, reg, data, sizeof(data));
+}
+
+static void test_defaults(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t value, i2c_value;
+ int16_t err;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+ value = qmp_adm1272_get(TEST_ID, "vout");
+ err = ADM1272_VOLT_DEFAULT - value;
+ g_assert_cmpuint(abs(err), <, ADM1272_VOLT_DEFAULT / 20);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION);
+ g_assert_cmphex(i2c_value, ==, ADM1272_OPERATION_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_VOUT_MODE);
+ g_assert_cmphex(i2c_value, ==, ADM1272_DIRECT_MODE);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_IOUT_OC_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VIN_OV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VIN_UV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_PIN_OP_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ADM1272_PIN_OP_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_REVISION);
+ g_assert_cmphex(i2c_value, ==, ADM1272_PMBUS_REVISION_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, ADM1272_MFR_PMON_CONTROL);
+ g_assert_cmphex(i2c_value, ==, ADM1272_PMON_CONTROL_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_PMON_CONFIG);
+ g_assert_cmphex(i2c_value, ==, ADM1272_PMON_CONFIG_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_DEVICE_CONFIG);
+ g_assert_cmphex(i2c_value, ==, ADM1272_DEVICE_CONFIG_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_HYSTERESIS_HIGH);
+ g_assert_cmphex(i2c_value, ==, ADM1272_HYSTERESIS_HIGH_DEFAULT);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_STRT_UP_IOUT_LIM);
+ g_assert_cmphex(i2c_value, ==, ADM1272_STRT_UP_IOUT_LIM_DEFAULT);
+}
+
+/* test qmp access */
+static void test_tx_rx(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value, value, i2c_voltage, i2c_pwr, lossy_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ /* converting to direct mode is lossy - we generate the same loss here */
+ lossy_value =
+ adm1272_direct_to_millivolts(adm1272_millivolts_to_direct(1000));
+ qmp_adm1272_set(TEST_ID, "vin", 1000);
+ value = qmp_adm1272_get(TEST_ID, "vin");
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VIN);
+ i2c_voltage = adm1272_direct_to_millivolts(i2c_value);
+ g_assert_cmpuint(value, ==, i2c_voltage);
+ g_assert_cmpuint(i2c_voltage, ==, lossy_value);
+
+ lossy_value =
+ adm1272_direct_to_millivolts(adm1272_millivolts_to_direct(1500));
+ qmp_adm1272_set(TEST_ID, "vout", 1500);
+ value = qmp_adm1272_get(TEST_ID, "vout");
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ i2c_voltage = adm1272_direct_to_millivolts(i2c_value);
+ g_assert_cmpuint(value, ==, i2c_voltage);
+ g_assert_cmpuint(i2c_voltage, ==, lossy_value);
+
+ lossy_value =
+ adm1272_direct_to_milliamps(adm1272_milliamps_to_direct(1600));
+ qmp_adm1272_set(TEST_ID, "iout", 1600);
+ value = qmp_adm1272_get(TEST_ID, "iout");
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+ i2c_value = adm1272_direct_to_milliamps(i2c_value);
+ g_assert_cmphex(value, ==, i2c_value);
+ g_assert_cmphex(i2c_value, ==, lossy_value);
+
+ lossy_value =
+ adm1272_direct_to_watts(adm1272_watts_to_direct(320));
+ qmp_adm1272_set(TEST_ID, "pin", 320);
+ value = qmp_adm1272_get(TEST_ID, "pin");
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_PIN);
+ i2c_pwr = adm1272_direct_to_watts(i2c_value);
+ g_assert_cmphex(value, ==, i2c_pwr);
+ g_assert_cmphex(i2c_pwr, ==, lossy_value);
+}
+
+/* test r/w registers */
+static void test_rw_regs(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ adm1272_i2c_set16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT, 0xABCD);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0xABCD);
+
+ adm1272_i2c_set16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT, 0xCDEF);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0xCDEF);
+
+ adm1272_i2c_set16(i2cdev, PMBUS_IOUT_OC_WARN_LIMIT, 0x1234);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_IOUT_OC_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0x1234);
+
+ adm1272_i2c_set16(i2cdev, PMBUS_OT_FAULT_LIMIT, 0x5678);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0x5678);
+
+ adm1272_i2c_set16(i2cdev, PMBUS_OT_WARN_LIMIT, 0xABDC);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0xABDC);
+
+ adm1272_i2c_set16(i2cdev, PMBUS_VIN_OV_WARN_LIMIT, 0xCDEF);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VIN_OV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0xCDEF);
+
+ adm1272_i2c_set16(i2cdev, PMBUS_VIN_UV_WARN_LIMIT, 0x2345);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VIN_UV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0x2345);
+
+ i2c_set8(i2cdev, ADM1272_RESTART_TIME, 0xF8);
+ i2c_value = i2c_get8(i2cdev, ADM1272_RESTART_TIME);
+ g_assert_cmphex(i2c_value, ==, 0xF8);
+
+ i2c_set8(i2cdev, ADM1272_MFR_PMON_CONTROL, 0);
+ i2c_value = i2c_get8(i2cdev, ADM1272_MFR_PMON_CONTROL);
+ g_assert_cmpuint(i2c_value, ==, 0);
+
+ adm1272_i2c_set16(i2cdev, ADM1272_MFR_PMON_CONFIG, 0xDEF0);
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_PMON_CONFIG);
+ g_assert_cmphex(i2c_value, ==, 0xDEF0);
+
+ adm1272_i2c_set16(i2cdev, ADM1272_MFR_ALERT1_CONFIG, 0x0123);
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_ALERT1_CONFIG);
+ g_assert_cmphex(i2c_value, ==, 0x0123);
+
+ adm1272_i2c_set16(i2cdev, ADM1272_MFR_ALERT2_CONFIG, 0x9876);
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_ALERT2_CONFIG);
+ g_assert_cmphex(i2c_value, ==, 0x9876);
+
+ adm1272_i2c_set16(i2cdev, ADM1272_MFR_DEVICE_CONFIG, 0x3456);
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_DEVICE_CONFIG);
+ g_assert_cmphex(i2c_value, ==, 0x3456);
+
+ adm1272_i2c_set16(i2cdev, ADM1272_HYSTERESIS_LOW, 0xCABA);
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_HYSTERESIS_LOW);
+ g_assert_cmphex(i2c_value, ==, 0xCABA);
+
+ adm1272_i2c_set16(i2cdev, ADM1272_HYSTERESIS_HIGH, 0x6789);
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_HYSTERESIS_HIGH);
+ g_assert_cmphex(i2c_value, ==, 0x6789);
+
+ adm1272_i2c_set16(i2cdev, ADM1272_STRT_UP_IOUT_LIM, 0x9876);
+ i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_STRT_UP_IOUT_LIM);
+ g_assert_cmphex(i2c_value, ==, 0x9876);
+
+ adm1272_i2c_set16(i2cdev, PMBUS_OPERATION, 0xA);
+ i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION);
+ g_assert_cmphex(i2c_value, ==, 0xA);
+}
+
+/* test read-only registers */
+static void test_ro_regs(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_init_value, i2c_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VIN);
+ adm1272_i2c_set16(i2cdev, PMBUS_READ_VIN, 0xBEEF);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VIN);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ adm1272_i2c_set16(i2cdev, PMBUS_READ_VOUT, 0x1234);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+ adm1272_i2c_set16(i2cdev, PMBUS_READ_IOUT, 0x6547);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ adm1272_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_1, 0x1597);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_PIN);
+ adm1272_i2c_set16(i2cdev, PMBUS_READ_PIN, 0xDEAD);
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_PIN);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+}
+
+/* test voltage fault handling */
+static void test_voltage_faults(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value;
+ uint8_t i2c_byte;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ adm1272_i2c_set16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT,
+ adm1272_millivolts_to_direct(5000));
+ qmp_adm1272_set(TEST_ID, "vout", 5100);
+
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_STATUS_WORD);
+ i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT);
+ g_assert_true((i2c_value & PB_STATUS_VOUT) != 0);
+ g_assert_true((i2c_byte & PB_STATUS_VOUT_OV_WARN) != 0);
+
+ qmp_adm1272_set(TEST_ID, "vout", 4500);
+ i2c_set8(i2cdev, PMBUS_CLEAR_FAULTS, 0);
+ i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT);
+ g_assert_true((i2c_byte & PB_STATUS_VOUT_OV_WARN) == 0);
+
+ adm1272_i2c_set16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT,
+ adm1272_millivolts_to_direct(4600));
+ i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_STATUS_WORD);
+ i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT);
+ g_assert_true((i2c_value & PB_STATUS_VOUT) != 0);
+ g_assert_true((i2c_byte & PB_STATUS_VOUT_UV_WARN) != 0);
+
+}
+
+static void adm1272_register_nodes(void)
+{
+ QOSGraphEdgeOptions opts = {
+ .extra_device_opts = "id=" TEST_ID ",address=0x10"
+ };
+ add_qi2c_address(&opts, &(QI2CAddress) { TEST_ADDR });
+
+ qos_node_create_driver("adm1272", i2c_device_create);
+ qos_node_consumes("adm1272", "i2c-bus", &opts);
+
+ qos_add_test("test_defaults", "adm1272", test_defaults, NULL);
+ qos_add_test("test_tx_rx", "adm1272", test_tx_rx, NULL);
+ qos_add_test("test_rw_regs", "adm1272", test_rw_regs, NULL);
+ qos_add_test("test_ro_regs", "adm1272", test_ro_regs, NULL);
+ qos_add_test("test_ov_faults", "adm1272", test_voltage_faults, NULL);
+}
+libqos_init(adm1272_register_nodes);
diff --git a/tests/qtest/emc141x-test.c b/tests/qtest/emc141x-test.c
index 7140588..8c86694 100644
--- a/tests/qtest/emc141x-test.c
+++ b/tests/qtest/emc141x-test.c
@@ -11,7 +11,7 @@
#include "libqos/qgraph.h"
#include "libqos/i2c.h"
#include "qapi/qmp/qdict.h"
-#include "hw/misc/emc141x_regs.h"
+#include "hw/sensor/emc141x_regs.h"
#define EMC1414_TEST_ID "emc1414-test"
diff --git a/tests/qtest/max34451-test.c b/tests/qtest/max34451-test.c
new file mode 100644
index 0000000..0c98d07
--- /dev/null
+++ b/tests/qtest/max34451-test.c
@@ -0,0 +1,336 @@
+/*
+ * QTests for the MAX34451 device
+ *
+ * Copyright 2021 Google LLC
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "hw/i2c/pmbus_device.h"
+#include "libqtest-single.h"
+#include "libqos/qgraph.h"
+#include "libqos/i2c.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qnum.h"
+#include "qemu/bitops.h"
+
+#define TEST_ID "max34451-test"
+#define TEST_ADDR (0x4e)
+
+#define MAX34451_MFR_VOUT_PEAK 0xD4
+#define MAX34451_MFR_IOUT_PEAK 0xD5
+#define MAX34451_MFR_TEMPERATURE_PEAK 0xD6
+#define MAX34451_MFR_VOUT_MIN 0xD7
+
+#define DEFAULT_VOUT 0
+#define DEFAULT_UV_LIMIT 0
+#define DEFAULT_TEMPERATURE 2500
+#define DEFAULT_SCALE 0x7FFF
+#define DEFAULT_OV_LIMIT 0x7FFF
+#define DEFAULT_OC_LIMIT 0x7FFF
+#define DEFAULT_OT_LIMIT 0x7FFF
+#define DEFAULT_VMIN 0x7FFF
+#define DEFAULT_TON_FAULT_LIMIT 0xFFFF
+#define DEFAULT_CHANNEL_CONFIG 0x20
+#define DEFAULT_TEXT 0x20
+
+#define MAX34451_NUM_PWR_DEVICES 16
+#define MAX34451_NUM_TEMP_DEVICES 5
+
+
+static uint16_t qmp_max34451_get(const char *id, const char *property)
+{
+ QDict *response;
+ uint16_t ret;
+ response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, "
+ "'property': %s } }", id, property);
+ g_assert(qdict_haskey(response, "return"));
+ ret = qnum_get_uint(qobject_to(QNum, qdict_get(response, "return")));
+ qobject_unref(response);
+ return ret;
+}
+
+static void qmp_max34451_set(const char *id,
+ const char *property,
+ uint16_t value)
+{
+ QDict *response;
+
+ response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, "
+ "'property': %s, 'value': %u } }",
+ id, property, value);
+ g_assert(qdict_haskey(response, "return"));
+ qobject_unref(response);
+}
+
+/* PMBus commands are little endian vs i2c_set16 in i2c.h which is big endian */
+static uint16_t max34451_i2c_get16(QI2CDevice *i2cdev, uint8_t reg)
+{
+ uint8_t resp[2];
+ i2c_read_block(i2cdev, reg, resp, sizeof(resp));
+ return (resp[1] << 8) | resp[0];
+}
+
+/* PMBus commands are little endian vs i2c_set16 in i2c.h which is big endian */
+static void max34451_i2c_set16(QI2CDevice *i2cdev, uint8_t reg, uint16_t value)
+{
+ uint8_t data[2];
+
+ data[0] = value & 255;
+ data[1] = value >> 8;
+ i2c_write_block(i2cdev, reg, data, sizeof(data));
+}
+
+/* Test default values */
+static void test_defaults(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t value, i2c_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+ char *path;
+
+ /* Default temperatures and temperature fault limits */
+ for (int i = 0; i < MAX34451_NUM_TEMP_DEVICES; i++) {
+ path = g_strdup_printf("temperature[%d]", i);
+ value = qmp_max34451_get(TEST_ID, path);
+ g_assert_cmpuint(value, ==, DEFAULT_TEMPERATURE);
+ g_free(path);
+
+ /* Temperature sensors start on page 16 */
+ i2c_set8(i2cdev, PMBUS_PAGE, i + 16);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_TEMPERATURE);
+
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_OT_LIMIT);
+
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_OT_LIMIT);
+ }
+
+ /* Default voltages and fault limits */
+ for (int i = 0; i < MAX34451_NUM_PWR_DEVICES; i++) {
+ path = g_strdup_printf("vout[%d]", i);
+ value = qmp_max34451_get(TEST_ID, path);
+ g_assert_cmpuint(value, ==, DEFAULT_VOUT);
+ g_free(path);
+
+ i2c_set8(i2cdev, PMBUS_PAGE, i);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_VOUT);
+
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_OV_LIMIT);
+
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_OV_LIMIT);
+
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_UV_LIMIT);
+
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_UV_FAULT_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_UV_LIMIT);
+
+ i2c_value = max34451_i2c_get16(i2cdev, MAX34451_MFR_VOUT_MIN);
+ g_assert_cmpuint(i2c_value, ==, DEFAULT_VMIN);
+ }
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_VOUT_MODE);
+ g_assert_cmphex(i2c_value, ==, 0x40); /* DIRECT mode */
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_REVISION);
+ g_assert_cmphex(i2c_value, ==, 0x11); /* Rev 1.1 */
+}
+
+/* Test setting temperature */
+static void test_temperature(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t value, i2c_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+ char *path;
+
+ for (int i = 0; i < MAX34451_NUM_TEMP_DEVICES; i++) {
+ path = g_strdup_printf("temperature[%d]", i);
+ qmp_max34451_set(TEST_ID, path, 0xBE00 + i);
+ value = qmp_max34451_get(TEST_ID, path);
+ g_assert_cmphex(value, ==, 0xBE00 + i);
+ g_free(path);
+ }
+
+ /* compare qmp read with i2c read separately */
+ for (int i = 0; i < MAX34451_NUM_TEMP_DEVICES; i++) {
+ /* temperature[0] is on page 16 */
+ i2c_set8(i2cdev, PMBUS_PAGE, i + 16);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ g_assert_cmphex(i2c_value, ==, 0xBE00 + i);
+
+ i2c_value = max34451_i2c_get16(i2cdev, MAX34451_MFR_TEMPERATURE_PEAK);
+ g_assert_cmphex(i2c_value, ==, 0xBE00 + i);
+ }
+}
+
+/* Test setting voltage */
+static void test_voltage(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t value, i2c_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+ char *path;
+
+ for (int i = 0; i < MAX34451_NUM_PWR_DEVICES; i++) {
+ path = g_strdup_printf("vout[%d]", i);
+ qmp_max34451_set(TEST_ID, path, 3000 + i);
+ value = qmp_max34451_get(TEST_ID, path);
+ g_assert_cmpuint(value, ==, 3000 + i);
+ g_free(path);
+ }
+
+ /* compare qmp read with i2c read separately */
+ for (int i = 0; i < MAX34451_NUM_PWR_DEVICES; i++) {
+ i2c_set8(i2cdev, PMBUS_PAGE, i);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ g_assert_cmpuint(i2c_value, ==, 3000 + i);
+
+ i2c_value = max34451_i2c_get16(i2cdev, MAX34451_MFR_VOUT_PEAK);
+ g_assert_cmpuint(i2c_value, ==, 3000 + i);
+
+ i2c_value = max34451_i2c_get16(i2cdev, MAX34451_MFR_VOUT_MIN);
+ g_assert_cmpuint(i2c_value, ==, 3000 + i);
+ }
+}
+
+/* Test setting some read/write registers */
+static void test_rw_regs(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ i2c_set8(i2cdev, PMBUS_PAGE, 11);
+ i2c_value = i2c_get8(i2cdev, PMBUS_PAGE);
+ g_assert_cmpuint(i2c_value, ==, 11);
+
+ i2c_set8(i2cdev, PMBUS_OPERATION, 1);
+ i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION);
+ g_assert_cmpuint(i2c_value, ==, 1);
+
+ max34451_i2c_set16(i2cdev, PMBUS_VOUT_MARGIN_HIGH, 5000);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_HIGH);
+ g_assert_cmpuint(i2c_value, ==, 5000);
+
+ max34451_i2c_set16(i2cdev, PMBUS_VOUT_MARGIN_LOW, 4000);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_LOW);
+ g_assert_cmpuint(i2c_value, ==, 4000);
+
+ max34451_i2c_set16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT, 5500);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, 5500);
+
+ max34451_i2c_set16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT, 5600);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, 5600);
+
+ max34451_i2c_set16(i2cdev, PMBUS_VOUT_UV_FAULT_LIMIT, 5700);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_UV_FAULT_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, 5700);
+
+ max34451_i2c_set16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT, 5800);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT);
+ g_assert_cmpuint(i2c_value, ==, 5800);
+
+ max34451_i2c_set16(i2cdev, PMBUS_POWER_GOOD_ON, 5900);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_POWER_GOOD_ON);
+ g_assert_cmpuint(i2c_value, ==, 5900);
+
+ max34451_i2c_set16(i2cdev, PMBUS_POWER_GOOD_OFF, 6100);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_POWER_GOOD_OFF);
+ g_assert_cmpuint(i2c_value, ==, 6100);
+}
+
+/* Test that Read only registers can't be written */
+static void test_ro_regs(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value, i2c_init_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ i2c_set8(i2cdev, PMBUS_PAGE, 1); /* move to page 1 */
+ i2c_init_value = i2c_get8(i2cdev, PMBUS_CAPABILITY);
+ i2c_set8(i2cdev, PMBUS_CAPABILITY, 0xF9);
+ i2c_value = i2c_get8(i2cdev, PMBUS_CAPABILITY);
+ g_assert_cmpuint(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = max34451_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ max34451_i2c_set16(i2cdev, PMBUS_READ_VOUT, 0xDEAD);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ g_assert_cmpuint(i2c_init_value, ==, i2c_value);
+ g_assert_cmphex(i2c_value, !=, 0xDEAD);
+
+ i2c_set8(i2cdev, PMBUS_PAGE, 16); /* move to page 16 */
+ i2c_init_value = max34451_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ max34451_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_1, 0xABBA);
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ g_assert_cmpuint(i2c_init_value, ==, i2c_value);
+ g_assert_cmphex(i2c_value, !=, 0xABBA);
+}
+
+/* test over voltage faults */
+static void test_ov_faults(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value;
+ uint8_t i2c_byte;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+ char *path;
+ /* Test ov fault reporting */
+ for (int i = 0; i < MAX34451_NUM_PWR_DEVICES; i++) {
+ path = g_strdup_printf("vout[%d]", i);
+ i2c_set8(i2cdev, PMBUS_PAGE, i);
+ max34451_i2c_set16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT, 5000);
+ qmp_max34451_set(TEST_ID, path, 5100);
+ g_free(path);
+
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_STATUS_WORD);
+ i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT);
+ g_assert_true((i2c_value & PB_STATUS_VOUT) != 0);
+ g_assert_true((i2c_byte & PB_STATUS_VOUT_OV_FAULT) != 0);
+ }
+}
+
+/* test over temperature faults */
+static void test_ot_faults(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value;
+ uint8_t i2c_byte;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+ char *path;
+
+ for (int i = 0; i < MAX34451_NUM_TEMP_DEVICES; i++) {
+ path = g_strdup_printf("temperature[%d]", i);
+ i2c_set8(i2cdev, PMBUS_PAGE, i + 16);
+ max34451_i2c_set16(i2cdev, PMBUS_OT_FAULT_LIMIT, 6000);
+ qmp_max34451_set(TEST_ID, path, 6100);
+ g_free(path);
+
+ i2c_value = max34451_i2c_get16(i2cdev, PMBUS_STATUS_WORD);
+ i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_TEMPERATURE);
+ g_assert_true((i2c_value & PB_STATUS_TEMPERATURE) != 0);
+ g_assert_true((i2c_byte & PB_STATUS_OT_FAULT) != 0);
+ }
+}
+
+static void max34451_register_nodes(void)
+{
+ QOSGraphEdgeOptions opts = {
+ .extra_device_opts = "id=" TEST_ID ",address=0x4e"
+ };
+ add_qi2c_address(&opts, &(QI2CAddress) { TEST_ADDR });
+
+ qos_node_create_driver("max34451", i2c_device_create);
+ qos_node_consumes("max34451", "i2c-bus", &opts);
+
+ qos_add_test("test_defaults", "max34451", test_defaults, NULL);
+ qos_add_test("test_temperature", "max34451", test_temperature, NULL);
+ qos_add_test("test_voltage", "max34451", test_voltage, NULL);
+ qos_add_test("test_rw_regs", "max34451", test_rw_regs, NULL);
+ qos_add_test("test_ro_regs", "max34451", test_ro_regs, NULL);
+ qos_add_test("test_ov_faults", "max34451", test_ov_faults, NULL);
+ qos_add_test("test_ot_faults", "max34451", test_ot_faults, NULL);
+}
+libqos_init(max34451_register_nodes);
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
index b03e854..ee7347b 100644
--- a/tests/qtest/meson.build
+++ b/tests/qtest/meson.build
@@ -202,12 +202,14 @@ qtests_s390x = \
qos_test_ss = ss.source_set()
qos_test_ss.add(
'ac97-test.c',
+ 'adm1272-test.c',
'ds1338-test.c',
'e1000-test.c',
'e1000e-test.c',
'eepro100-test.c',
'es1370-test.c',
'ipoctal232-test.c',
+ 'max34451-test.c',
'megasas-test.c',
'ne2000-test.c',
'tulip-test.c',
diff --git a/tests/qtest/npcm7xx_smbus-test.c b/tests/qtest/npcm7xx_smbus-test.c
index 4f9f493..6b3038a 100644
--- a/tests/qtest/npcm7xx_smbus-test.c
+++ b/tests/qtest/npcm7xx_smbus-test.c
@@ -18,7 +18,7 @@
#include "qemu/bitops.h"
#include "libqos/i2c.h"
#include "libqos/libqtest.h"
-#include "hw/misc/tmp105_regs.h"
+#include "hw/sensor/tmp105_regs.h"
#define NR_SMBUS_DEVICES 16
#define SMBUS_ADDR(x) (0xf0080000 + 0x1000 * (x))
diff --git a/tests/qtest/tmp105-test.c b/tests/qtest/tmp105-test.c
index f930a96..3678646 100644
--- a/tests/qtest/tmp105-test.c
+++ b/tests/qtest/tmp105-test.c
@@ -13,7 +13,7 @@
#include "libqos/qgraph.h"
#include "libqos/i2c.h"
#include "qapi/qmp/qdict.h"
-#include "hw/misc/tmp105_regs.h"
+#include "hw/sensor/tmp105_regs.h"
#define TMP105_TEST_ID "tmp105-test"
#define TMP105_TEST_ADDR 0x49
generated by cgit v1.1 at 2024-09-06 10:29:26 +0000