1 /* 2 * QTests for the ADM1272 hotswap controller 3 * 4 * Copyright 2021 Google LLC 5 * 6 * SPDX-License-Identifier: GPL-2.0-or-later 7 */ 8 9 #include "qemu/osdep.h" 10 #include <math.h> 11 #include "hw/i2c/pmbus_device.h" 12 #include "libqtest-single.h" 13 #include "libqos/qgraph.h" 14 #include "libqos/i2c.h" 15 #include "qapi/qmp/qdict.h" 16 #include "qapi/qmp/qnum.h" 17 #include "qemu/bitops.h" 18 19 #define TEST_ID "adm1272-test" 20 #define TEST_ADDR (0x10) 21 22 #define ADM1272_RESTART_TIME 0xCC 23 #define ADM1272_MFR_PEAK_IOUT 0xD0 24 #define ADM1272_MFR_PEAK_VIN 0xD1 25 #define ADM1272_MFR_PEAK_VOUT 0xD2 26 #define ADM1272_MFR_PMON_CONTROL 0xD3 27 #define ADM1272_MFR_PMON_CONFIG 0xD4 28 #define ADM1272_MFR_ALERT1_CONFIG 0xD5 29 #define ADM1272_MFR_ALERT2_CONFIG 0xD6 30 #define ADM1272_MFR_PEAK_TEMPERATURE 0xD7 31 #define ADM1272_MFR_DEVICE_CONFIG 0xD8 32 #define ADM1272_MFR_POWER_CYCLE 0xD9 33 #define ADM1272_MFR_PEAK_PIN 0xDA 34 #define ADM1272_MFR_READ_PIN_EXT 0xDB 35 #define ADM1272_MFR_READ_EIN_EXT 0xDC 36 37 #define ADM1272_HYSTERESIS_LOW 0xF2 38 #define ADM1272_HYSTERESIS_HIGH 0xF3 39 #define ADM1272_STATUS_HYSTERESIS 0xF4 40 #define ADM1272_STATUS_GPIO 0xF5 41 #define ADM1272_STRT_UP_IOUT_LIM 0xF6 42 43 /* Defaults */ 44 #define ADM1272_OPERATION_DEFAULT 0x80 45 #define ADM1272_CAPABILITY_DEFAULT 0xB0 46 #define ADM1272_CAPABILITY_NO_PEC 0x30 47 #define ADM1272_DIRECT_MODE 0x40 48 #define ADM1272_HIGH_LIMIT_DEFAULT 0x0FFF 49 #define ADM1272_PIN_OP_DEFAULT 0x7FFF 50 #define ADM1272_PMBUS_REVISION_DEFAULT 0x22 51 #define ADM1272_MFR_ID_DEFAULT "ADI" 52 #define ADM1272_MODEL_DEFAULT "ADM1272-A1" 53 #define ADM1272_MFR_DEFAULT_REVISION "25" 54 #define ADM1272_DEFAULT_DATE "160301" 55 #define ADM1272_RESTART_TIME_DEFAULT 0x64 56 #define ADM1272_PMON_CONTROL_DEFAULT 0x1 57 #define ADM1272_PMON_CONFIG_DEFAULT 0x3F35 58 #define ADM1272_DEVICE_CONFIG_DEFAULT 0x8 59 #define ADM1272_HYSTERESIS_HIGH_DEFAULT 0xFFFF 60 #define ADM1272_STRT_UP_IOUT_LIM_DEFAULT 0x000F 61 #define ADM1272_VOLT_DEFAULT 12000 62 #define ADM1272_IOUT_DEFAULT 25000 63 #define ADM1272_PWR_DEFAULT 300 /* 12V 25A */ 64 #define ADM1272_SHUNT 300 /* micro-ohms */ 65 #define ADM1272_VOLTAGE_COEFF_DEFAULT 1 66 #define ADM1272_CURRENT_COEFF_DEFAULT 3 67 #define ADM1272_PWR_COEFF_DEFAULT 7 68 #define ADM1272_IOUT_OFFSET 0x5000 69 #define ADM1272_IOUT_OFFSET 0x5000 70 71 static const PMBusCoefficients adm1272_coefficients[] = { 72 [0] = { 6770, 0, -2 }, /* voltage, vrange 60V */ 73 [1] = { 4062, 0, -2 }, /* voltage, vrange 100V */ 74 [2] = { 1326, 20480, -1 }, /* current, vsense range 15mV */ 75 [3] = { 663, 20480, -1 }, /* current, vsense range 30mV */ 76 [4] = { 3512, 0, -2 }, /* power, vrange 60V, irange 15mV */ 77 [5] = { 21071, 0, -3 }, /* power, vrange 100V, irange 15mV */ 78 [6] = { 17561, 0, -3 }, /* power, vrange 60V, irange 30mV */ 79 [7] = { 10535, 0, -3 }, /* power, vrange 100V, irange 30mV */ 80 [8] = { 42, 31871, -1 }, /* temperature */ 81 }; 82 83 uint16_t pmbus_data2direct_mode(PMBusCoefficients c, uint32_t value) 84 { 85 /* R is usually negative to fit large readings into 16 bits */ 86 uint16_t y = (c.m * value + c.b) * pow(10, c.R); 87 return y; 88 } 89 90 uint32_t pmbus_direct_mode2data(PMBusCoefficients c, uint16_t value) 91 { 92 /* X = (Y * 10^-R - b) / m */ 93 uint32_t x = (value / pow(10, c.R) - c.b) / c.m; 94 return x; 95 } 96 97 98 static uint16_t adm1272_millivolts_to_direct(uint32_t value) 99 { 100 PMBusCoefficients c = adm1272_coefficients[ADM1272_VOLTAGE_COEFF_DEFAULT]; 101 c.b = c.b * 1000; 102 c.R = c.R - 3; 103 return pmbus_data2direct_mode(c, value); 104 } 105 106 static uint32_t adm1272_direct_to_millivolts(uint16_t value) 107 { 108 PMBusCoefficients c = adm1272_coefficients[ADM1272_VOLTAGE_COEFF_DEFAULT]; 109 c.b = c.b * 1000; 110 c.R = c.R - 3; 111 return pmbus_direct_mode2data(c, value); 112 } 113 114 static uint16_t adm1272_milliamps_to_direct(uint32_t value) 115 { 116 PMBusCoefficients c = adm1272_coefficients[ADM1272_CURRENT_COEFF_DEFAULT]; 117 /* Y = (m * r_sense * x - b) * 10^R */ 118 c.m = c.m * ADM1272_SHUNT / 1000; /* micro-ohms */ 119 c.b = c.b * 1000; 120 c.R = c.R - 3; 121 return pmbus_data2direct_mode(c, value); 122 } 123 124 static uint32_t adm1272_direct_to_milliamps(uint16_t value) 125 { 126 PMBusCoefficients c = adm1272_coefficients[ADM1272_CURRENT_COEFF_DEFAULT]; 127 c.m = c.m * ADM1272_SHUNT / 1000; 128 c.b = c.b * 1000; 129 c.R = c.R - 3; 130 return pmbus_direct_mode2data(c, value); 131 } 132 133 static uint16_t adm1272_watts_to_direct(uint32_t value) 134 { 135 PMBusCoefficients c = adm1272_coefficients[ADM1272_PWR_COEFF_DEFAULT]; 136 c.m = c.m * ADM1272_SHUNT / 1000; 137 return pmbus_data2direct_mode(c, value); 138 } 139 140 static uint32_t adm1272_direct_to_watts(uint16_t value) 141 { 142 PMBusCoefficients c = adm1272_coefficients[ADM1272_PWR_COEFF_DEFAULT]; 143 c.m = c.m * ADM1272_SHUNT / 1000; 144 return pmbus_direct_mode2data(c, value); 145 } 146 147 static uint16_t qmp_adm1272_get(const char *id, const char *property) 148 { 149 QDict *response; 150 uint64_t ret; 151 152 response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, " 153 "'property': %s } }", id, property); 154 g_assert(qdict_haskey(response, "return")); 155 ret = qnum_get_uint(qobject_to(QNum, qdict_get(response, "return"))); 156 qobject_unref(response); 157 return ret; 158 } 159 160 static void qmp_adm1272_set(const char *id, 161 const char *property, 162 uint16_t value) 163 { 164 QDict *response; 165 166 response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, " 167 "'property': %s, 'value': %u } }", id, property, value); 168 g_assert(qdict_haskey(response, "return")); 169 qobject_unref(response); 170 } 171 172 /* PMBus commands are little endian vs i2c_set16 in i2c.h which is big endian */ 173 static uint16_t adm1272_i2c_get16(QI2CDevice *i2cdev, uint8_t reg) 174 { 175 uint8_t resp[2]; 176 i2c_read_block(i2cdev, reg, resp, sizeof(resp)); 177 return (resp[1] << 8) | resp[0]; 178 } 179 180 /* PMBus commands are little endian vs i2c_set16 in i2c.h which is big endian */ 181 static void adm1272_i2c_set16(QI2CDevice *i2cdev, uint8_t reg, uint16_t value) 182 { 183 uint8_t data[2]; 184 185 data[0] = value & 255; 186 data[1] = value >> 8; 187 i2c_write_block(i2cdev, reg, data, sizeof(data)); 188 } 189 190 static void test_defaults(void *obj, void *data, QGuestAllocator *alloc) 191 { 192 uint16_t value, i2c_value; 193 int16_t err; 194 QI2CDevice *i2cdev = (QI2CDevice *)obj; 195 value = qmp_adm1272_get(TEST_ID, "vout"); 196 err = ADM1272_VOLT_DEFAULT - value; 197 g_assert_cmpuint(abs(err), <, ADM1272_VOLT_DEFAULT / 20); 198 199 i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION); 200 g_assert_cmphex(i2c_value, ==, ADM1272_OPERATION_DEFAULT); 201 202 i2c_value = i2c_get8(i2cdev, PMBUS_VOUT_MODE); 203 g_assert_cmphex(i2c_value, ==, ADM1272_DIRECT_MODE); 204 205 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT); 206 g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT); 207 208 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT); 209 g_assert_cmphex(i2c_value, ==, 0); 210 211 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_IOUT_OC_WARN_LIMIT); 212 g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT); 213 214 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT); 215 g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT); 216 217 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT); 218 g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT); 219 220 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VIN_OV_WARN_LIMIT); 221 g_assert_cmphex(i2c_value, ==, ADM1272_HIGH_LIMIT_DEFAULT); 222 223 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VIN_UV_WARN_LIMIT); 224 g_assert_cmphex(i2c_value, ==, 0); 225 226 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_PIN_OP_WARN_LIMIT); 227 g_assert_cmphex(i2c_value, ==, ADM1272_PIN_OP_DEFAULT); 228 229 i2c_value = i2c_get8(i2cdev, PMBUS_REVISION); 230 g_assert_cmphex(i2c_value, ==, ADM1272_PMBUS_REVISION_DEFAULT); 231 232 i2c_value = i2c_get8(i2cdev, ADM1272_MFR_PMON_CONTROL); 233 g_assert_cmphex(i2c_value, ==, ADM1272_PMON_CONTROL_DEFAULT); 234 235 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_PMON_CONFIG); 236 g_assert_cmphex(i2c_value, ==, ADM1272_PMON_CONFIG_DEFAULT); 237 238 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_DEVICE_CONFIG); 239 g_assert_cmphex(i2c_value, ==, ADM1272_DEVICE_CONFIG_DEFAULT); 240 241 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_HYSTERESIS_HIGH); 242 g_assert_cmphex(i2c_value, ==, ADM1272_HYSTERESIS_HIGH_DEFAULT); 243 244 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_STRT_UP_IOUT_LIM); 245 g_assert_cmphex(i2c_value, ==, ADM1272_STRT_UP_IOUT_LIM_DEFAULT); 246 } 247 248 /* test qmp access */ 249 static void test_tx_rx(void *obj, void *data, QGuestAllocator *alloc) 250 { 251 uint16_t i2c_value, value, i2c_voltage, i2c_pwr, lossy_value; 252 QI2CDevice *i2cdev = (QI2CDevice *)obj; 253 254 /* converting to direct mode is lossy - we generate the same loss here */ 255 lossy_value = 256 adm1272_direct_to_millivolts(adm1272_millivolts_to_direct(1000)); 257 qmp_adm1272_set(TEST_ID, "vin", 1000); 258 value = qmp_adm1272_get(TEST_ID, "vin"); 259 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VIN); 260 i2c_voltage = adm1272_direct_to_millivolts(i2c_value); 261 g_assert_cmpuint(value, ==, i2c_voltage); 262 g_assert_cmpuint(i2c_voltage, ==, lossy_value); 263 264 lossy_value = 265 adm1272_direct_to_millivolts(adm1272_millivolts_to_direct(1500)); 266 qmp_adm1272_set(TEST_ID, "vout", 1500); 267 value = qmp_adm1272_get(TEST_ID, "vout"); 268 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VOUT); 269 i2c_voltage = adm1272_direct_to_millivolts(i2c_value); 270 g_assert_cmpuint(value, ==, i2c_voltage); 271 g_assert_cmpuint(i2c_voltage, ==, lossy_value); 272 273 lossy_value = 274 adm1272_direct_to_milliamps(adm1272_milliamps_to_direct(1600)); 275 qmp_adm1272_set(TEST_ID, "iout", 1600); 276 value = qmp_adm1272_get(TEST_ID, "iout"); 277 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_IOUT); 278 i2c_value = adm1272_direct_to_milliamps(i2c_value); 279 g_assert_cmphex(value, ==, i2c_value); 280 g_assert_cmphex(i2c_value, ==, lossy_value); 281 282 lossy_value = 283 adm1272_direct_to_watts(adm1272_watts_to_direct(320)); 284 qmp_adm1272_set(TEST_ID, "pin", 320); 285 value = qmp_adm1272_get(TEST_ID, "pin"); 286 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_PIN); 287 i2c_pwr = adm1272_direct_to_watts(i2c_value); 288 g_assert_cmphex(value, ==, i2c_pwr); 289 g_assert_cmphex(i2c_pwr, ==, lossy_value); 290 } 291 292 /* test r/w registers */ 293 static void test_rw_regs(void *obj, void *data, QGuestAllocator *alloc) 294 { 295 uint16_t i2c_value; 296 QI2CDevice *i2cdev = (QI2CDevice *)obj; 297 298 adm1272_i2c_set16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT, 0xABCD); 299 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT); 300 g_assert_cmphex(i2c_value, ==, 0xABCD); 301 302 adm1272_i2c_set16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT, 0xCDEF); 303 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT); 304 g_assert_cmphex(i2c_value, ==, 0xCDEF); 305 306 adm1272_i2c_set16(i2cdev, PMBUS_IOUT_OC_WARN_LIMIT, 0x1234); 307 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_IOUT_OC_WARN_LIMIT); 308 g_assert_cmphex(i2c_value, ==, 0x1234); 309 310 adm1272_i2c_set16(i2cdev, PMBUS_OT_FAULT_LIMIT, 0x5678); 311 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT); 312 g_assert_cmphex(i2c_value, ==, 0x5678); 313 314 adm1272_i2c_set16(i2cdev, PMBUS_OT_WARN_LIMIT, 0xABDC); 315 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT); 316 g_assert_cmphex(i2c_value, ==, 0xABDC); 317 318 adm1272_i2c_set16(i2cdev, PMBUS_VIN_OV_WARN_LIMIT, 0xCDEF); 319 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VIN_OV_WARN_LIMIT); 320 g_assert_cmphex(i2c_value, ==, 0xCDEF); 321 322 adm1272_i2c_set16(i2cdev, PMBUS_VIN_UV_WARN_LIMIT, 0x2345); 323 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_VIN_UV_WARN_LIMIT); 324 g_assert_cmphex(i2c_value, ==, 0x2345); 325 326 i2c_set8(i2cdev, ADM1272_RESTART_TIME, 0xF8); 327 i2c_value = i2c_get8(i2cdev, ADM1272_RESTART_TIME); 328 g_assert_cmphex(i2c_value, ==, 0xF8); 329 330 i2c_set8(i2cdev, ADM1272_MFR_PMON_CONTROL, 0); 331 i2c_value = i2c_get8(i2cdev, ADM1272_MFR_PMON_CONTROL); 332 g_assert_cmpuint(i2c_value, ==, 0); 333 334 adm1272_i2c_set16(i2cdev, ADM1272_MFR_PMON_CONFIG, 0xDEF0); 335 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_PMON_CONFIG); 336 g_assert_cmphex(i2c_value, ==, 0xDEF0); 337 338 adm1272_i2c_set16(i2cdev, ADM1272_MFR_ALERT1_CONFIG, 0x0123); 339 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_ALERT1_CONFIG); 340 g_assert_cmphex(i2c_value, ==, 0x0123); 341 342 adm1272_i2c_set16(i2cdev, ADM1272_MFR_ALERT2_CONFIG, 0x9876); 343 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_ALERT2_CONFIG); 344 g_assert_cmphex(i2c_value, ==, 0x9876); 345 346 adm1272_i2c_set16(i2cdev, ADM1272_MFR_DEVICE_CONFIG, 0x3456); 347 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_MFR_DEVICE_CONFIG); 348 g_assert_cmphex(i2c_value, ==, 0x3456); 349 350 adm1272_i2c_set16(i2cdev, ADM1272_HYSTERESIS_LOW, 0xCABA); 351 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_HYSTERESIS_LOW); 352 g_assert_cmphex(i2c_value, ==, 0xCABA); 353 354 adm1272_i2c_set16(i2cdev, ADM1272_HYSTERESIS_HIGH, 0x6789); 355 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_HYSTERESIS_HIGH); 356 g_assert_cmphex(i2c_value, ==, 0x6789); 357 358 adm1272_i2c_set16(i2cdev, ADM1272_STRT_UP_IOUT_LIM, 0x9876); 359 i2c_value = adm1272_i2c_get16(i2cdev, ADM1272_STRT_UP_IOUT_LIM); 360 g_assert_cmphex(i2c_value, ==, 0x9876); 361 362 adm1272_i2c_set16(i2cdev, PMBUS_OPERATION, 0xA); 363 i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION); 364 g_assert_cmphex(i2c_value, ==, 0xA); 365 } 366 367 /* test read-only registers */ 368 static void test_ro_regs(void *obj, void *data, QGuestAllocator *alloc) 369 { 370 uint16_t i2c_init_value, i2c_value; 371 QI2CDevice *i2cdev = (QI2CDevice *)obj; 372 373 i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VIN); 374 adm1272_i2c_set16(i2cdev, PMBUS_READ_VIN, 0xBEEF); 375 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VIN); 376 g_assert_cmphex(i2c_init_value, ==, i2c_value); 377 378 i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VOUT); 379 adm1272_i2c_set16(i2cdev, PMBUS_READ_VOUT, 0x1234); 380 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_VOUT); 381 g_assert_cmphex(i2c_init_value, ==, i2c_value); 382 383 i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_IOUT); 384 adm1272_i2c_set16(i2cdev, PMBUS_READ_IOUT, 0x6547); 385 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_IOUT); 386 g_assert_cmphex(i2c_init_value, ==, i2c_value); 387 388 i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1); 389 adm1272_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_1, 0x1597); 390 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1); 391 g_assert_cmphex(i2c_init_value, ==, i2c_value); 392 393 i2c_init_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_PIN); 394 adm1272_i2c_set16(i2cdev, PMBUS_READ_PIN, 0xDEAD); 395 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_READ_PIN); 396 g_assert_cmphex(i2c_init_value, ==, i2c_value); 397 } 398 399 /* test voltage fault handling */ 400 static void test_voltage_faults(void *obj, void *data, QGuestAllocator *alloc) 401 { 402 uint16_t i2c_value; 403 uint8_t i2c_byte; 404 QI2CDevice *i2cdev = (QI2CDevice *)obj; 405 406 adm1272_i2c_set16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT, 407 adm1272_millivolts_to_direct(5000)); 408 qmp_adm1272_set(TEST_ID, "vout", 5100); 409 410 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_STATUS_WORD); 411 i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT); 412 g_assert_true((i2c_value & PB_STATUS_VOUT) != 0); 413 g_assert_true((i2c_byte & PB_STATUS_VOUT_OV_WARN) != 0); 414 415 qmp_adm1272_set(TEST_ID, "vout", 4500); 416 i2c_set8(i2cdev, PMBUS_CLEAR_FAULTS, 0); 417 i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT); 418 g_assert_true((i2c_byte & PB_STATUS_VOUT_OV_WARN) == 0); 419 420 adm1272_i2c_set16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT, 421 adm1272_millivolts_to_direct(4600)); 422 i2c_value = adm1272_i2c_get16(i2cdev, PMBUS_STATUS_WORD); 423 i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT); 424 g_assert_true((i2c_value & PB_STATUS_VOUT) != 0); 425 g_assert_true((i2c_byte & PB_STATUS_VOUT_UV_WARN) != 0); 426 427 } 428 429 static void adm1272_register_nodes(void) 430 { 431 QOSGraphEdgeOptions opts = { 432 .extra_device_opts = "id=" TEST_ID ",address=0x10" 433 }; 434 add_qi2c_address(&opts, &(QI2CAddress) { TEST_ADDR }); 435 436 qos_node_create_driver("adm1272", i2c_device_create); 437 qos_node_consumes("adm1272", "i2c-bus", &opts); 438 439 qos_add_test("test_defaults", "adm1272", test_defaults, NULL); 440 qos_add_test("test_tx_rx", "adm1272", test_tx_rx, NULL); 441 qos_add_test("test_rw_regs", "adm1272", test_rw_regs, NULL); 442 qos_add_test("test_ro_regs", "adm1272", test_ro_regs, NULL); 443 qos_add_test("test_ov_faults", "adm1272", test_voltage_faults, NULL); 444 } 445 libqos_init(adm1272_register_nodes); 446