1*5e623f2bSJohn Wang /* 2*5e623f2bSJohn Wang * QTest testcase for the EMC141X temperature sensor 3*5e623f2bSJohn Wang * 4*5e623f2bSJohn Wang * This work is licensed under the terms of the GNU GPL, version 2 or later. 5*5e623f2bSJohn Wang * See the COPYING file in the top-level directory. 6*5e623f2bSJohn Wang */ 7*5e623f2bSJohn Wang 8*5e623f2bSJohn Wang #include "qemu/osdep.h" 9*5e623f2bSJohn Wang 10*5e623f2bSJohn Wang #include "libqtest-single.h" 11*5e623f2bSJohn Wang #include "libqos/qgraph.h" 12*5e623f2bSJohn Wang #include "libqos/i2c.h" 13*5e623f2bSJohn Wang #include "qapi/qmp/qdict.h" 14*5e623f2bSJohn Wang #include "hw/misc/emc141x_regs.h" 15*5e623f2bSJohn Wang 16*5e623f2bSJohn Wang #define EMC1414_TEST_ID "emc1414-test" 17*5e623f2bSJohn Wang 18*5e623f2bSJohn Wang static int qmp_emc1414_get_temperature(const char *id) 19*5e623f2bSJohn Wang { 20*5e623f2bSJohn Wang QDict *response; 21*5e623f2bSJohn Wang int ret; 22*5e623f2bSJohn Wang 23*5e623f2bSJohn Wang response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, " 24*5e623f2bSJohn Wang "'property': 'temperature0' } }", id); 25*5e623f2bSJohn Wang g_assert(qdict_haskey(response, "return")); 26*5e623f2bSJohn Wang ret = qdict_get_int(response, "return"); 27*5e623f2bSJohn Wang qobject_unref(response); 28*5e623f2bSJohn Wang return ret; 29*5e623f2bSJohn Wang } 30*5e623f2bSJohn Wang 31*5e623f2bSJohn Wang static void qmp_emc1414_set_temperature(const char *id, int value) 32*5e623f2bSJohn Wang { 33*5e623f2bSJohn Wang QDict *response; 34*5e623f2bSJohn Wang 35*5e623f2bSJohn Wang response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, " 36*5e623f2bSJohn Wang "'property': 'temperature0', 'value': %d } }", id, value); 37*5e623f2bSJohn Wang g_assert(qdict_haskey(response, "return")); 38*5e623f2bSJohn Wang qobject_unref(response); 39*5e623f2bSJohn Wang } 40*5e623f2bSJohn Wang 41*5e623f2bSJohn Wang static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc) 42*5e623f2bSJohn Wang { 43*5e623f2bSJohn Wang uint16_t value; 44*5e623f2bSJohn Wang QI2CDevice *i2cdev = (QI2CDevice *)obj; 45*5e623f2bSJohn Wang 46*5e623f2bSJohn Wang value = qmp_emc1414_get_temperature(EMC1414_TEST_ID); 47*5e623f2bSJohn Wang g_assert_cmpuint(value, ==, 0); 48*5e623f2bSJohn Wang 49*5e623f2bSJohn Wang value = i2c_get8(i2cdev, EMC141X_TEMP_HIGH0); 50*5e623f2bSJohn Wang g_assert_cmphex(value, ==, 0); 51*5e623f2bSJohn Wang 52*5e623f2bSJohn Wang /* The default max value is 85C, 0x55=85 */ 53*5e623f2bSJohn Wang value = i2c_get8(i2cdev, EMC141X_TEMP_MAX_HIGH0); 54*5e623f2bSJohn Wang g_assert_cmphex(value, ==, 0x55); 55*5e623f2bSJohn Wang 56*5e623f2bSJohn Wang value = i2c_get8(i2cdev, EMC141X_TEMP_MIN_HIGH0); 57*5e623f2bSJohn Wang g_assert_cmphex(value, ==, 0); 58*5e623f2bSJohn Wang 59*5e623f2bSJohn Wang /* 3000mc = 30C */ 60*5e623f2bSJohn Wang qmp_emc1414_set_temperature(EMC1414_TEST_ID, 30000); 61*5e623f2bSJohn Wang value = qmp_emc1414_get_temperature(EMC1414_TEST_ID); 62*5e623f2bSJohn Wang g_assert_cmpuint(value, ==, 30000); 63*5e623f2bSJohn Wang 64*5e623f2bSJohn Wang value = i2c_get8(i2cdev, EMC141X_TEMP_HIGH0); 65*5e623f2bSJohn Wang g_assert_cmphex(value, ==, 30); 66*5e623f2bSJohn Wang 67*5e623f2bSJohn Wang } 68*5e623f2bSJohn Wang 69*5e623f2bSJohn Wang static void emc1414_register_nodes(void) 70*5e623f2bSJohn Wang { 71*5e623f2bSJohn Wang QOSGraphEdgeOptions opts = { 72*5e623f2bSJohn Wang .extra_device_opts = "id=" EMC1414_TEST_ID ",address=0x70" 73*5e623f2bSJohn Wang }; 74*5e623f2bSJohn Wang add_qi2c_address(&opts, &(QI2CAddress) { 0x70 }); 75*5e623f2bSJohn Wang 76*5e623f2bSJohn Wang qos_node_create_driver("emc1414", i2c_device_create); 77*5e623f2bSJohn Wang qos_node_consumes("emc1414", "i2c-bus", &opts); 78*5e623f2bSJohn Wang 79*5e623f2bSJohn Wang qos_add_test("tx-rx", "emc1414", send_and_receive, NULL); 80*5e623f2bSJohn Wang } 81*5e623f2bSJohn Wang libqos_init(emc1414_register_nodes); 82