From: Titus Rwantare <tit...@google.com>
The ADM1266 can have string fields written by the driver, so
it's worth specifically testing.
Reviewed-by: Hao Wu <wuhao...@google.com>
Acked-by: Corey Minyard <cminy...@mvista.com>
Signed-off-by: Titus Rwantare <tit...@google.com>
[PMD: Cover file in MAINTAINERS]
Message-ID: <20231023-staging-pmbus-v3-v4-6-07a8cb7cd...@google.com>
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
MAINTAINERS | 1 +
tests/qtest/adm1266-test.c | 122 +++++++++++++++++++++++++++++++++++++
tests/qtest/meson.build | 1 +
3 files changed, 124 insertions(+)
create mode 100644 tests/qtest/adm1266-test.c
diff --git a/MAINTAINERS b/MAINTAINERS
index e6a2f57442..c01c2e6ec0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -862,6 +862,7 @@ F: hw/*/npcm*
F: hw/sensor/adm1266.c
F: include/hw/*/npcm*
F: tests/qtest/npcm*
+F: tests/qtest/adm1266-test.c
F: pc-bios/npcm7xx_bootrom.bin
F: roms/vbootrom
F: docs/system/arm/nuvoton.rst
diff --git a/tests/qtest/adm1266-test.c b/tests/qtest/adm1266-test.c
new file mode 100644
index 0000000000..6c312c499f
--- /dev/null
+++ b/tests/qtest/adm1266-test.c
@@ -0,0 +1,122 @@
+/*
+ * Analog Devices ADM1266 Cascadable Super Sequencer with Margin Control and
+ * Fault Recording with PMBus
+ *
+ * Copyright 2022 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 "adm1266-test"
+#define TEST_ADDR (0x12)
+
+#define ADM1266_BLACKBOX_CONFIG 0xD3
+#define ADM1266_PDIO_CONFIG 0xD4
+#define ADM1266_READ_STATE 0xD9
+#define ADM1266_READ_BLACKBOX 0xDE
+#define ADM1266_SET_RTC 0xDF
+#define ADM1266_GPIO_SYNC_CONFIGURATION 0xE1
+#define ADM1266_BLACKBOX_INFORMATION 0xE6
+#define ADM1266_PDIO_STATUS 0xE9
+#define ADM1266_GPIO_STATUS 0xEA
+
+/* Defaults */
+#define ADM1266_OPERATION_DEFAULT 0x80
+#define ADM1266_CAPABILITY_DEFAULT 0xA0
+#define ADM1266_CAPABILITY_NO_PEC 0x20
+#define ADM1266_PMBUS_REVISION_DEFAULT 0x22
+#define ADM1266_MFR_ID_DEFAULT "ADI"
+#define ADM1266_MFR_ID_DEFAULT_LEN 32
+#define ADM1266_MFR_MODEL_DEFAULT "ADM1266-A1"
+#define ADM1266_MFR_MODEL_DEFAULT_LEN 32
+#define ADM1266_MFR_REVISION_DEFAULT "25"
+#define ADM1266_MFR_REVISION_DEFAULT_LEN 8
+#define TEST_STRING_A "a sample"
+#define TEST_STRING_B "b sample"
+#define TEST_STRING_C "rev c"
+
+static void compare_string(QI2CDevice *i2cdev, uint8_t reg,
+ const char *test_str)
+{
+ uint8_t len = i2c_get8(i2cdev, reg);
+ char i2c_str[SMBUS_DATA_MAX_LEN] = {0};
+
+ i2c_read_block(i2cdev, reg, (uint8_t *)i2c_str, len);
+ g_assert_cmpstr(i2c_str, ==, test_str);
+}
+
+static void write_and_compare_string(QI2CDevice *i2cdev, uint8_t reg,
+ const char *test_str, uint8_t len)
+{
+ char buf[SMBUS_DATA_MAX_LEN] = {0};
+ buf[0] = len;
+ strncpy(buf + 1, test_str, len);
+ i2c_write_block(i2cdev, reg, (uint8_t *)buf, len + 1);
+ compare_string(i2cdev, reg, test_str);
+}
+
+static void test_defaults(void *obj, void *data, QGuestAllocator *alloc)
+{
+ uint16_t i2c_value;
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION);
+ g_assert_cmphex(i2c_value, ==, ADM1266_OPERATION_DEFAULT);
+
+ i2c_value = i2c_get8(i2cdev, PMBUS_REVISION);
+ g_assert_cmphex(i2c_value, ==, ADM1266_PMBUS_REVISION_DEFAULT);
+
+ compare_string(i2cdev, PMBUS_MFR_ID, ADM1266_MFR_ID_DEFAULT);
+ compare_string(i2cdev, PMBUS_MFR_MODEL, ADM1266_MFR_MODEL_DEFAULT);
+ compare_string(i2cdev, PMBUS_MFR_REVISION, ADM1266_MFR_REVISION_DEFAULT);
+}
+
+/* test r/w registers */
+static void test_rw_regs(void *obj, void *data, QGuestAllocator *alloc)
+{
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+ /* empty strings */
+ i2c_set8(i2cdev, PMBUS_MFR_ID, 0);
+ compare_string(i2cdev, PMBUS_MFR_ID, "");
+
+ i2c_set8(i2cdev, PMBUS_MFR_MODEL, 0);
+ compare_string(i2cdev, PMBUS_MFR_MODEL, "");
+
+ i2c_set8(i2cdev, PMBUS_MFR_REVISION, 0);
+ compare_string(i2cdev, PMBUS_MFR_REVISION, "");
+
+ /* test strings */
+ write_and_compare_string(i2cdev, PMBUS_MFR_ID, TEST_STRING_A,
+ sizeof(TEST_STRING_A));
+ write_and_compare_string(i2cdev, PMBUS_MFR_ID, TEST_STRING_B,
+ sizeof(TEST_STRING_B));
+ write_and_compare_string(i2cdev, PMBUS_MFR_ID, TEST_STRING_C,
+ sizeof(TEST_STRING_C));
+}
+
+static void adm1266_register_nodes(void)
+{
+ QOSGraphEdgeOptions opts = {
+ .extra_device_opts = "id=" TEST_ID ",address=0x12"
+ };
+ add_qi2c_address(&opts, &(QI2CAddress) { TEST_ADDR });
+
+ qos_node_create_driver("adm1266", i2c_device_create);
+ qos_node_consumes("adm1266", "i2c-bus", &opts);
+
+ qos_add_test("test_defaults", "adm1266", test_defaults, NULL);
+ qos_add_test("test_rw_regs", "adm1266", test_rw_regs, NULL);
+}
+
+libqos_init(adm1266_register_nodes);
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
index c9945e69b1..47dabf91d0 100644
--- a/tests/qtest/meson.build
+++ b/tests/qtest/meson.build
@@ -241,6 +241,7 @@ qos_test_ss = ss.source_set()
qos_test_ss.add(
'ac97-test.c',
'adm1272-test.c',
+ 'adm1266-test.c',
'ds1338-test.c',
'e1000-test.c',
'eepro100-test.c',
--
2.41.0
