Signed-off-by: Titus Rwantare <tit...@google.com>
Reviewed-by: Hao Wu <wuhao...@google.com>
---
MAINTAINERS | 3 +
hw/arm/Kconfig | 1 +
hw/sensor/Kconfig | 5 +
hw/sensor/isl_pmbus.c | 210 +++++++++++++++++++
hw/sensor/meson.build | 1 +
include/hw/sensor/isl_pmbus.h | 50 +++++
tests/qtest/isl_pmbus-test.c | 381 ++++++++++++++++++++++++++++++++++
tests/qtest/meson.build | 1 +
8 files changed, 652 insertions(+)
create mode 100644 hw/sensor/isl_pmbus.c
create mode 100644 include/hw/sensor/isl_pmbus.h
create mode 100644 tests/qtest/isl_pmbus-test.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 6349e3da1f..156c5812a8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3034,10 +3034,13 @@ M: Titus Rwantare <tit...@google.com>
S: Maintained
F: hw/i2c/pmbus_device.c
F: hw/sensor/adm1272.c
+F: hw/sensor/isl_pmbus.c
F: hw/sensor/max34451.c
F: include/hw/i2c/pmbus_device.h
+F: include/hw/sensor/isl_pmbus.h
F: tests/qtest/adm1272-test.c
F: tests/qtest/max34451-test.c
+F: tests/qtest/isl_pmbus-test.c
Firmware schema specifications
M: Philippe Mathieu-Daudé <f4...@amsat.org>
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index e652590943..019099df96 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -393,6 +393,7 @@ config NPCM7XX
select SMBUS
select AT24C # EEPROM
select MAX34451
+ select ISL_PMBUS
select PL310 # cache controller
select PMBUS
select SERIAL
diff --git a/hw/sensor/Kconfig b/hw/sensor/Kconfig
index 9c8a049b06..f935d9cccb 100644
--- a/hw/sensor/Kconfig
+++ b/hw/sensor/Kconfig
@@ -21,3 +21,8 @@ config ADM1272
config MAX34451
bool
depends on I2C
+
+config ISL_PMBUS
+ bool
+ depends on I2C
+
diff --git a/hw/sensor/isl_pmbus.c b/hw/sensor/isl_pmbus.c
new file mode 100644
index 0000000000..8cc7220a57
--- /dev/null
+++ b/hw/sensor/isl_pmbus.c
@@ -0,0 +1,210 @@
+/*
+ * PMBus device for Renesas Digital Multiphase Voltage Regulators
+ *
+ * Copyright 2021 Google LLC
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "hw/sensor/isl_pmbus.h"
+#include "hw/qdev-properties.h"
+#include "qapi/visitor.h"
+#include "qemu/log.h"
+#include "qemu/module.h"
+
+static uint8_t isl_pmbus_read_byte(PMBusDevice *pmdev)
+{
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "%s: reading from unsupported register: 0x%02x\n",
+ __func__, pmdev->code);
+ return 0xFF;
+}
+
+static int isl_pmbus_write_data(PMBusDevice *pmdev, const uint8_t *buf,
+ uint8_t len)
+{
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "%s: write to unsupported register: 0x%02x\n",
+ __func__, pmdev->code);
+ return 0xFF;
+}
+
+/* TODO: Implement coefficients support in pmbus_device.c for qmp */
+static void isl_pmbus_get(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ visit_type_uint16(v, name, (uint16_t *)opaque, errp);
+}
+
+static void isl_pmbus_set(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ PMBusDevice *pmdev = PMBUS_DEVICE(obj);
+ uint16_t *internal = opaque;
+ uint16_t value;
+ if (!visit_type_uint16(v, name, &value, errp)) {
+ return;
+ }
+
+ *internal = value;
+ pmbus_check_limits(pmdev);
+}
+
+static void isl_pmbus_exit_reset(Object *obj)
+{
+ PMBusDevice *pmdev = PMBUS_DEVICE(obj);
+
+ pmdev->page = 0;
+ pmdev->capability = ISL_CAPABILITY_DEFAULT;
+ for (int i = 0; i < pmdev->num_pages; i++) {
+ pmdev->pages[i].operation = ISL_OPERATION_DEFAULT;
+ pmdev->pages[i].on_off_config = ISL_ON_OFF_CONFIG_DEFAULT;
+ pmdev->pages[i].vout_mode = ISL_VOUT_MODE_DEFAULT;
+ pmdev->pages[i].vout_command = ISL_VOUT_COMMAND_DEFAULT;
+ pmdev->pages[i].vout_max = ISL_VOUT_MAX_DEFAULT;
+ pmdev->pages[i].vout_margin_high = ISL_VOUT_MARGIN_HIGH_DEFAULT;
+ pmdev->pages[i].vout_margin_low = ISL_VOUT_MARGIN_LOW_DEFAULT;
+ pmdev->pages[i].vout_transition_rate =
ISL_VOUT_TRANSITION_RATE_DEFAULT;
+ pmdev->pages[i].vout_ov_fault_limit = ISL_VOUT_OV_FAULT_LIMIT_DEFAULT;
+ pmdev->pages[i].ot_fault_limit = ISL_OT_FAULT_LIMIT_DEFAULT;
+ pmdev->pages[i].ot_warn_limit = ISL_OT_WARN_LIMIT_DEFAULT;
+ pmdev->pages[i].vin_ov_warn_limit = ISL_VIN_OV_WARN_LIMIT_DEFAULT;
+ pmdev->pages[i].vin_uv_warn_limit = ISL_VIN_UV_WARN_LIMIT_DEFAULT;
+ pmdev->pages[i].iin_oc_fault_limit = ISL_IIN_OC_FAULT_LIMIT_DEFAULT;
+ pmdev->pages[i].ton_delay = ISL_TON_DELAY_DEFAULT;
+ pmdev->pages[i].ton_rise = ISL_TON_RISE_DEFAULT;
+ pmdev->pages[i].toff_fall = ISL_TOFF_FALL_DEFAULT;
+ pmdev->pages[i].revision = ISL_REVISION_DEFAULT;
+
+ pmdev->pages[i].read_vout = ISL_READ_VOUT_DEFAULT;
+ pmdev->pages[i].read_iout = ISL_READ_IOUT_DEFAULT;
+ pmdev->pages[i].read_pout = ISL_READ_POUT_DEFAULT;
+ pmdev->pages[i].read_vin = ISL_READ_VIN_DEFAULT;
+ pmdev->pages[i].read_iin = ISL_READ_IIN_DEFAULT;
+ pmdev->pages[i].read_pin = ISL_READ_PIN_DEFAULT;
+ pmdev->pages[i].read_temperature_1 = ISL_READ_TEMP_DEFAULT;
+ pmdev->pages[i].read_temperature_2 = ISL_READ_TEMP_DEFAULT;
+ pmdev->pages[i].read_temperature_3 = ISL_READ_TEMP_DEFAULT;
+ }
+}
+
+static void isl_pmbus_add_props(Object *obj, uint64_t *flags, uint8_t pages)
+{
+ PMBusDevice *pmdev = PMBUS_DEVICE(obj);
+ for (int i = 0; i < pages; i++) {
+ if (flags[i] & PB_HAS_VIN) {
+ object_property_add(obj, "vin[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_vin);
+ }
+
+ if (flags[i] & PB_HAS_VOUT) {
+ object_property_add(obj, "vout[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_vout);
+ }
+
+ if (flags[i] & PB_HAS_IIN) {
+ object_property_add(obj, "iin[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_iin);
+ }
+
+ if (flags[i] & PB_HAS_IOUT) {
+ object_property_add(obj, "iout[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_iout);
+ }
+
+ if (flags[i] & PB_HAS_PIN) {
+ object_property_add(obj, "pin[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_pin);
+ }
+
+ if (flags[i] & PB_HAS_POUT) {
+ object_property_add(obj, "pout[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_pout);
+ }
+
+ if (flags[i] & PB_HAS_TEMPERATURE) {
+ object_property_add(obj, "temp1[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_temperature_1);
+ }
+
+ if (flags[i] & PB_HAS_TEMP2) {
+ object_property_add(obj, "temp2[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_temperature_2);
+ }
+
+ if (flags[i] & PB_HAS_TEMP3) {
+ object_property_add(obj, "temp3[*]", "uint16",
+ isl_pmbus_get,
+ isl_pmbus_set,
+ NULL, &pmdev->pages[i].read_temperature_3);
+ }
+ }
+}
+
+static void raa22xx_init(Object *obj)
+{
+ PMBusDevice *pmdev = PMBUS_DEVICE(obj);
+ uint64_t flags[2];
+
+ flags[0] = PB_HAS_VIN | PB_HAS_VOUT | PB_HAS_VOUT_MODE |
+ PB_HAS_VOUT_RATING | PB_HAS_VOUT_MARGIN | PB_HAS_IIN |
+ PB_HAS_IOUT | PB_HAS_PIN | PB_HAS_POUT | PB_HAS_TEMPERATURE |
+ PB_HAS_TEMP2 | PB_HAS_TEMP3 | PB_HAS_STATUS_MFR_SPECIFIC;
+ flags[1] = PB_HAS_IIN | PB_HAS_PIN | PB_HAS_TEMPERATURE | PB_HAS_TEMP3 |
+ PB_HAS_VOUT | PB_HAS_VOUT_MODE | PB_HAS_VOUT_MARGIN |
+ PB_HAS_VOUT_RATING | PB_HAS_IOUT | PB_HAS_POUT |
+ PB_HAS_STATUS_MFR_SPECIFIC;
+
+ pmbus_page_config(pmdev, 0, flags[0]);
+ pmbus_page_config(pmdev, 1, flags[1]);
+ isl_pmbus_add_props(obj, flags, 2);
+}
+
+static void isl_pmbus_class_init(ObjectClass *klass, void *data, uint8_t pages)
+{
+ PMBusDeviceClass *k = PMBUS_DEVICE_CLASS(klass);
+ k->write_data = isl_pmbus_write_data;
+ k->receive_byte = isl_pmbus_read_byte;
+ k->device_num_pages = pages;
+}
+
+static void isl69260_class_init(ObjectClass *klass, void *data)
+{
+ ResettableClass *rc = RESETTABLE_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ dc->desc = "Renesas ISL69260 Digital Multiphase Voltage Regulator";
+ rc->phases.exit = isl_pmbus_exit_reset;
+ isl_pmbus_class_init(klass, data, 2);
+}
+
+static const TypeInfo isl69260_info = {
+ .name = TYPE_ISL69260,
+ .parent = TYPE_PMBUS_DEVICE,
+ .instance_size = sizeof(ISLState),
+ .instance_init = raa22xx_init,
+ .class_init = isl69260_class_init,
+};
+
+static void isl_pmbus_register_types(void)
+{
+ type_register_static(&isl69260_info);
+}
+
+type_init(isl_pmbus_register_types)
diff --git a/hw/sensor/meson.build b/hw/sensor/meson.build
index 059c4ca935..d511994d0c 100644
--- a/hw/sensor/meson.build
+++ b/hw/sensor/meson.build
@@ -4,3 +4,4 @@ softmmu_ss.add(when: 'CONFIG_DPS310', if_true:
files('dps310.c'))
softmmu_ss.add(when: 'CONFIG_EMC141X', if_true: files('emc141x.c'))
softmmu_ss.add(when: 'CONFIG_ADM1272', if_true: files('adm1272.c'))
softmmu_ss.add(when: 'CONFIG_MAX34451', if_true: files('max34451.c'))
+softmmu_ss.add(when: 'CONFIG_ISL_PMBUS', if_true: files('isl_pmbus.c'))
diff --git a/include/hw/sensor/isl_pmbus.h b/include/hw/sensor/isl_pmbus.h
new file mode 100644
index 0000000000..8115aaa698
--- /dev/null
+++ b/include/hw/sensor/isl_pmbus.h
@@ -0,0 +1,50 @@
+/*
+ * PMBus device for Renesas Digital Multiphase Voltage Regulators
+ *
+ * Copyright 2022 Google LLC
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef HW_MISC_ISL_PMBUS_H
+#define HW_MISC_ISL_PMBUS_H
+
+#include "hw/i2c/pmbus_device.h"
+#include "qom/object.h"
+
+#define TYPE_ISL69260 "isl69260"
+
+struct ISLState {
+ PMBusDevice parent;
+};
+
+OBJECT_DECLARE_SIMPLE_TYPE(ISLState, ISL69260)
+
+#define ISL_CAPABILITY_DEFAULT 0x40
+#define ISL_OPERATION_DEFAULT 0x80
+#define ISL_ON_OFF_CONFIG_DEFAULT 0x16
+#define ISL_VOUT_MODE_DEFAULT 0x40
+#define ISL_VOUT_COMMAND_DEFAULT 0x0384
+#define ISL_VOUT_MAX_DEFAULT 0x08FC
+#define ISL_VOUT_MARGIN_HIGH_DEFAULT 0x0640
+#define ISL_VOUT_MARGIN_LOW_DEFAULT 0xFA
+#define ISL_VOUT_TRANSITION_RATE_DEFAULT 0x64
+#define ISL_VOUT_OV_FAULT_LIMIT_DEFAULT 0x076C
+#define ISL_OT_FAULT_LIMIT_DEFAULT 0x7D
+#define ISL_OT_WARN_LIMIT_DEFAULT 0x07D0
+#define ISL_VIN_OV_WARN_LIMIT_DEFAULT 0x36B0
+#define ISL_VIN_UV_WARN_LIMIT_DEFAULT 0x1F40
+#define ISL_IIN_OC_FAULT_LIMIT_DEFAULT 0x32
+#define ISL_TON_DELAY_DEFAULT 0x14
+#define ISL_TON_RISE_DEFAULT 0x01F4
+#define ISL_TOFF_FALL_DEFAULT 0x01F4
+#define ISL_REVISION_DEFAULT 0x33
+#define ISL_READ_VOUT_DEFAULT 1000
+#define ISL_READ_IOUT_DEFAULT 40
+#define ISL_READ_POUT_DEFAULT 4
+#define ISL_READ_TEMP_DEFAULT 25
+#define ISL_READ_VIN_DEFAULT 1100
+#define ISL_READ_IIN_DEFAULT 40
+#define ISL_READ_PIN_DEFAULT 4
+
+#endif
diff --git a/tests/qtest/isl_pmbus-test.c b/tests/qtest/isl_pmbus-test.c
new file mode 100644
index 0000000000..3e956f912c
--- /dev/null
+++ b/tests/qtest/isl_pmbus-test.c
@@ -0,0 +1,381 @@
+/*
+ * QTests for the ISL_PMBUS digital voltage regulators
+ *
+ * Copyright 2021 Google LLC
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "qemu/osdep.h"
+#include <math.h>
+#include "hw/i2c/pmbus_device.h"
+#include "hw/sensor/isl_pmbus.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 "isl_pmbus-test"
+#define TEST_ADDR (0x43)
+
+static uint16_t qmp_isl_pmbus_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_isl_pmbus_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 isl_pmbus_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 isl_pmbus_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;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ value = qmp_isl_pmbus_get(TEST_ID, "vout[0]");
+ g_assert_cmpuint(value, ==, ISL_READ_VOUT_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+ g_assert_cmpuint(i2c_value, ==, ISL_READ_IOUT_DEFAULT);
+
+ value = qmp_isl_pmbus_get(TEST_ID, "pout[0]");
+ g_assert_cmpuint(value, ==, ISL_READ_POUT_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_VIN);
+ g_assert_cmpuint(i2c_value, ==, ISL_READ_VIN_DEFAULT);
+
+ value = qmp_isl_pmbus_get(TEST_ID, "iin[0]");
+ g_assert_cmpuint(value, ==, ISL_READ_IIN_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_PIN);
+ g_assert_cmpuint(i2c_value, ==, ISL_READ_PIN_DEFAULT);
+
+ value = qmp_isl_pmbus_get(TEST_ID, "temp1[0]");
+ g_assert_cmpuint(value, ==, ISL_READ_TEMP_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_2);
+ g_assert_cmpuint(i2c_value, ==, ISL_READ_TEMP_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_CAPABILITY);
+ g_assert_cmphex(i2c_value, ==, ISL_CAPABILITY_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION);
+ g_assert_cmphex(i2c_value, ==, ISL_OPERATION_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_ON_OFF_CONFIG);
+ g_assert_cmphex(i2c_value, ==, ISL_ON_OFF_CONFIG_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_VOUT_MODE);
+ g_assert_cmphex(i2c_value, ==, ISL_VOUT_MODE_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_COMMAND);
+ g_assert_cmphex(i2c_value, ==, ISL_VOUT_COMMAND_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_MAX);
+ g_assert_cmphex(i2c_value, ==, ISL_VOUT_MAX_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_HIGH);
+ g_assert_cmphex(i2c_value, ==, ISL_VOUT_MARGIN_HIGH_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_LOW);
+ g_assert_cmphex(i2c_value, ==, ISL_VOUT_MARGIN_LOW_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_TRANSITION_RATE);
+ g_assert_cmphex(i2c_value, ==, ISL_VOUT_TRANSITION_RATE_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ISL_VOUT_OV_FAULT_LIMIT_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ISL_OT_FAULT_LIMIT_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ISL_OT_WARN_LIMIT_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VIN_OV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ISL_VIN_OV_WARN_LIMIT_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VIN_UV_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ISL_VIN_UV_WARN_LIMIT_DEFAULT);
+
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_IIN_OC_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, ISL_IIN_OC_FAULT_LIMIT_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_REVISION);
+ g_assert_cmphex(i2c_value, ==, ISL_REVISION_DEFAULT);
+}
+
+/* test qmp access */
+static void test_tx_rx(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value, value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ qmp_isl_pmbus_set(TEST_ID, "vin[0]", 200);
+ value = qmp_isl_pmbus_get(TEST_ID, "vin[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_VIN);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+ qmp_isl_pmbus_set(TEST_ID, "vout[0]", 2500);
+ value = qmp_isl_pmbus_get(TEST_ID, "vout[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+ qmp_isl_pmbus_set(TEST_ID, "iin[0]", 300);
+ value = qmp_isl_pmbus_get(TEST_ID, "iin[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_IIN);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+ qmp_isl_pmbus_set(TEST_ID, "iout[0]", 310);
+ value = qmp_isl_pmbus_get(TEST_ID, "iout[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+ qmp_isl_pmbus_set(TEST_ID, "pin[0]", 100);
+ value = qmp_isl_pmbus_get(TEST_ID, "pin[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_PIN);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+ qmp_isl_pmbus_set(TEST_ID, "pout[0]", 95);
+ value = qmp_isl_pmbus_get(TEST_ID, "pout[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_POUT);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+ qmp_isl_pmbus_set(TEST_ID, "temp1[0]", 26);
+ value = qmp_isl_pmbus_get(TEST_ID, "temp1[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+ qmp_isl_pmbus_set(TEST_ID, "temp2[0]", 27);
+ value = qmp_isl_pmbus_get(TEST_ID, "temp2[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_2);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+ qmp_isl_pmbus_set(TEST_ID, "temp3[0]", 28);
+ value = qmp_isl_pmbus_get(TEST_ID, "temp3[0]");
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_3);
+ g_assert_cmpuint(value, ==, i2c_value);
+
+}
+
+/* test r/w registers */
+static void test_rw_regs(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_COMMAND, 0x1234);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_COMMAND);
+ g_assert_cmphex(i2c_value, ==, 0x1234);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_TRIM, 0x4567);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_TRIM);
+ g_assert_cmphex(i2c_value, ==, 0x4567);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_MAX, 0x9876);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_MAX);
+ g_assert_cmphex(i2c_value, ==, 0x9876);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_MARGIN_HIGH, 0xABCD);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_HIGH);
+ g_assert_cmphex(i2c_value, ==, 0xABCD);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_MARGIN_LOW, 0xA1B2);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_LOW);
+ g_assert_cmphex(i2c_value, ==, 0xA1B2);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_TRANSITION_RATE, 0xDEF1);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_TRANSITION_RATE);
+ g_assert_cmphex(i2c_value, ==, 0xDEF1);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_DROOP, 0x5678);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_DROOP);
+ g_assert_cmphex(i2c_value, ==, 0x5678);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_MIN, 0x1234);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_MIN);
+ g_assert_cmphex(i2c_value, ==, 0x1234);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT, 0x2345);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0x2345);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_UV_FAULT_LIMIT, 0xFA12);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VOUT_UV_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0xFA12);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_OT_FAULT_LIMIT, 0xF077);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0xF077);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_OT_WARN_LIMIT, 0x7137);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0x7137);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VIN_OV_FAULT_LIMIT, 0x3456);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VIN_OV_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0x3456);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VIN_UV_FAULT_LIMIT, 0xBADA);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_VIN_UV_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0xBADA);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_IIN_OC_FAULT_LIMIT, 0xB1B0);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_IIN_OC_FAULT_LIMIT);
+ g_assert_cmphex(i2c_value, ==, 0xB1B0);
+
+ i2c_set8(i2cdev, PMBUS_PAGE, 2);
+ i2c_value = i2c_get8(i2cdev, PMBUS_PAGE);
+ g_assert_cmphex(i2c_value, ==, 2);
+
+ i2c_set8(i2cdev, PMBUS_OPERATION, 0xA);
+ i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION);
+ g_assert_cmphex(i2c_value, ==, 0xA);
+
+ i2c_set8(i2cdev, PMBUS_ON_OFF_CONFIG, 0x42);
+ i2c_value = i2c_get8(i2cdev, PMBUS_ON_OFF_CONFIG);
+ g_assert_cmphex(i2c_value, ==, 0x42);
+}
+
+/* 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 = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_VIN);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_VIN, 0xBEEF);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_VIN);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_IIN);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_IIN, 0xB00F);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_IIN);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_VOUT, 0x1234);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_IOUT, 0x6547);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_1, 0x1597);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_2);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_2, 0x1897);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_2);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_3);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_3, 0x1007);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_3);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_PIN);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_PIN, 0xDEAD);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_PIN);
+ g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+ i2c_init_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_POUT);
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_READ_POUT, 0xD00D);
+ i2c_value = isl_pmbus_i2c_get16(i2cdev, PMBUS_READ_POUT);
+ 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;
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT, 5000);
+ qmp_isl_pmbus_set(TEST_ID, "vout[0]", 5100);
+
+ i2c_value = isl_pmbus_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_isl_pmbus_set(TEST_ID, "vout[0]", 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);
+
+ isl_pmbus_i2c_set16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT, 4600);
+
+ i2c_value = isl_pmbus_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 isl_pmbus_register_nodes(void)
+{
+ QOSGraphEdgeOptions opts = {
+ .extra_device_opts = "id=" TEST_ID ",address=0x43"
+ };
+ add_qi2c_address(&opts, &(QI2CAddress) { TEST_ADDR });
+
+ qos_node_create_driver("isl69260", i2c_device_create);
+ qos_node_consumes("isl69260", "i2c-bus", &opts);
+
+ qos_add_test("test_defaults", "isl69260", test_defaults, NULL);
+ qos_add_test("test_tx_rx", "isl69260", test_tx_rx, NULL);
+ qos_add_test("test_rw_regs", "isl69260", test_rw_regs, NULL);
+ qos_add_test("test_ro_regs", "isl69260", test_ro_regs, NULL);
+ qos_add_test("test_ov_faults", "isl69260", test_voltage_faults, NULL);
+}
+libqos_init(isl_pmbus_register_nodes);
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
index 37e1eaa449..7a580d6d9f 100644
--- a/tests/qtest/meson.build
+++ b/tests/qtest/meson.build
@@ -242,6 +242,7 @@ qos_test_ss.add(
'eepro100-test.c',
'es1370-test.c',
'ipoctal232-test.c',
+ 'isl_pmbus-test.c',
'max34451-test.c',
'megasas-test.c',
'ne2000-test.c',
--
2.34.1.448.ga2b2bfdf31-goog
