/* * QTest testcase for the EMC141X temperature sensor * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. */ #include "qemu/osdep.h" #include "libqtest-single.h" #include "libqos/qgraph.h" #include "libqos/i2c.h" #include "qapi/qmp/qdict.h" #include "hw/sensor/emc141x_regs.h" #define EMC1414_TEST_ID "emc1414-test" static int qmp_emc1414_get_temperature(const char *id) { QDict *response; int ret; response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, " "'property': 'temperature0' } }", id); g_assert(qdict_haskey(response, "return")); ret = qdict_get_int(response, "return"); qobject_unref(response); return ret; } static void qmp_emc1414_set_temperature(const char *id, int value) { QDict *response; response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, " "'property': 'temperature0', 'value': %d } }", id, value); g_assert(qdict_haskey(response, "return")); qobject_unref(response); } static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc) { uint16_t value; QI2CDevice *i2cdev = (QI2CDevice *)obj; value = qmp_emc1414_get_temperature(EMC1414_TEST_ID); g_assert_cmpuint(value, ==, 0); value = i2c_get8(i2cdev, EMC141X_TEMP_HIGH0); g_assert_cmphex(value, ==, 0); /* The default max value is 85C, 0x55=85 */ value = i2c_get8(i2cdev, EMC141X_TEMP_MAX_HIGH0); g_assert_cmphex(value, ==, 0x55); value = i2c_get8(i2cdev, EMC141X_TEMP_MIN_HIGH0); g_assert_cmphex(value, ==, 0); /* 3000mc = 30C */ qmp_emc1414_set_temperature(EMC1414_TEST_ID, 30000); value = qmp_emc1414_get_temperature(EMC1414_TEST_ID); g_assert_cmpuint(value, ==, 30000); value = i2c_get8(i2cdev, EMC141X_TEMP_HIGH0); g_assert_cmphex(value, ==, 30); } static void emc1414_register_nodes(void) { QOSGraphEdgeOptions opts = { .extra_device_opts = "id=" EMC1414_TEST_ID ",address=0x70" }; add_qi2c_address(&opts, &(QI2CAddress) { 0x70 }); qos_node_create_driver("emc1414", i2c_device_create); qos_node_consumes("emc1414", "i2c-bus", &opts); qos_add_test("tx-rx", "emc1414", send_and_receive, NULL); } libqos_init(emc1414_register_nodes);