| 1 | /* |
| 2 | * QTest testcase for the EMC141X temperature sensor |
| 3 | * |
| 4 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 5 | * See the COPYING file in the top-level directory. |
| 6 | */ |
| 7 | |
| 8 | #include "qemu/osdep.h" |
| 9 | |
| 10 | #include "libqtest-single.h" |
| 11 | #include "libqos/qgraph.h" |
| 12 | #include "libqos/i2c.h" |
| 13 | #include "qobject/qdict.h" |
| 14 | #include "hw/sensor/emc141x_regs.h" |
| 15 | |
| 16 | #define EMC1414_TEST_ID "emc1414-test" |
| 17 | |
| 18 | static int qmp_emc1414_get_temperature(const char *id) |
| 19 | { |
| 20 | QDict *response; |
| 21 | int ret; |
| 22 | |
| 23 | response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, " |
| 24 | "'property': 'temperature0' } }", id); |
| 25 | g_assert(qdict_haskey(response, "return")); |
| 26 | ret = qdict_get_int(response, "return"); |
| 27 | qobject_unref(response); |
| 28 | return ret; |
| 29 | } |
| 30 | |
| 31 | static void qmp_emc1414_set_temperature(const char *id, int value) |
| 32 | { |
| 33 | QDict *response; |
| 34 | |
| 35 | response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, " |
| 36 | "'property': 'temperature0', 'value': %d } }", id, value); |
| 37 | g_assert(qdict_haskey(response, "return")); |
| 38 | qobject_unref(response); |
| 39 | } |
| 40 | |
| 41 | static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc) |
| 42 | { |
| 43 | uint16_t value; |
| 44 | QI2CDevice *i2cdev = (QI2CDevice *)obj; |
| 45 | |
| 46 | value = qmp_emc1414_get_temperature(EMC1414_TEST_ID); |
| 47 | g_assert_cmpuint(value, ==, 0); |
| 48 | |
| 49 | value = i2c_get8(i2cdev, EMC141X_TEMP_HIGH0); |
| 50 | g_assert_cmphex(value, ==, 0); |
| 51 | |
| 52 | /* The default max value is 85C, 0x55=85 */ |
| 53 | value = i2c_get8(i2cdev, EMC141X_TEMP_MAX_HIGH0); |
| 54 | g_assert_cmphex(value, ==, 0x55); |
| 55 | |
| 56 | value = i2c_get8(i2cdev, EMC141X_TEMP_MIN_HIGH0); |
| 57 | g_assert_cmphex(value, ==, 0); |
| 58 | |
| 59 | /* 3000mc = 30C */ |
| 60 | qmp_emc1414_set_temperature(EMC1414_TEST_ID, 30000); |
| 61 | value = qmp_emc1414_get_temperature(EMC1414_TEST_ID); |
| 62 | g_assert_cmpuint(value, ==, 30000); |
| 63 | |
| 64 | value = i2c_get8(i2cdev, EMC141X_TEMP_HIGH0); |
| 65 | g_assert_cmphex(value, ==, 30); |
| 66 | |
| 67 | } |
| 68 | |
| 69 | static void emc1414_register_nodes(void) |
| 70 | { |
| 71 | QOSGraphEdgeOptions opts = { |
| 72 | .extra_device_opts = "id=" EMC1414_TEST_ID ",address=0x70" |
| 73 | }; |
| 74 | add_qi2c_address(&opts, &(QI2CAddress) { 0x70 }); |
| 75 | |
| 76 | qos_node_create_driver("emc1414", i2c_device_create); |
| 77 | qos_node_consumes("emc1414", "i2c-bus", &opts); |
| 78 | |
| 79 | qos_add_test("tx-rx", "emc1414", send_and_receive, NULL); |
| 80 | } |
| 81 | libqos_init(emc1414_register_nodes); |