| 1 | /* |
| 2 | * Analog Devices ADM1272 High Voltage Positive Hot Swap Controller and Digital |
| 3 | * Power Monitor with PMBus |
| 4 | * |
| 5 | * Copyright 2021 Google LLC |
| 6 | * |
| 7 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 8 | */ |
| 9 | |
| 10 | #include "qemu/osdep.h" |
| 11 | #include "hw/i2c/pmbus_device.h" |
| 12 | #include "hw/core/irq.h" |
| 13 | #include "migration/vmstate.h" |
| 14 | #include "qapi/error.h" |
| 15 | #include "qapi/visitor.h" |
| 16 | #include "qemu/log.h" |
| 17 | #include "qemu/module.h" |
| 18 | |
| 19 | #define TYPE_ADM1272 "adm1272" |
| 20 | #define ADM1272(obj) OBJECT_CHECK(ADM1272State, (obj), TYPE_ADM1272) |
| 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 | |
| 72 | typedef struct ADM1272State { |
| 73 | PMBusDevice parent; |
| 74 | |
| 75 | uint64_t ein_ext; |
| 76 | uint32_t pin_ext; |
| 77 | uint8_t restart_time; |
| 78 | |
| 79 | uint16_t peak_vin; |
| 80 | uint16_t peak_vout; |
| 81 | uint16_t peak_iout; |
| 82 | uint16_t peak_temperature; |
| 83 | uint16_t peak_pin; |
| 84 | |
| 85 | uint8_t pmon_control; |
| 86 | uint16_t pmon_config; |
| 87 | uint16_t alert1_config; |
| 88 | uint16_t alert2_config; |
| 89 | uint16_t device_config; |
| 90 | |
| 91 | uint16_t hysteresis_low; |
| 92 | uint16_t hysteresis_high; |
| 93 | uint8_t status_hysteresis; |
| 94 | uint8_t status_gpio; |
| 95 | |
| 96 | uint16_t strt_up_iout_lim; |
| 97 | |
| 98 | } ADM1272State; |
| 99 | |
| 100 | static const PMBusCoefficients adm1272_coefficients[] = { |
| 101 | [0] = { 6770, 0, -2 }, /* voltage, vrange 60V */ |
| 102 | [1] = { 4062, 0, -2 }, /* voltage, vrange 100V */ |
| 103 | [2] = { 1326, 20480, -1 }, /* current, vsense range 15mV */ |
| 104 | [3] = { 663, 20480, -1 }, /* current, vsense range 30mV */ |
| 105 | [4] = { 3512, 0, -2 }, /* power, vrange 60V, irange 15mV */ |
| 106 | [5] = { 21071, 0, -3 }, /* power, vrange 100V, irange 15mV */ |
| 107 | [6] = { 17561, 0, -3 }, /* power, vrange 60V, irange 30mV */ |
| 108 | [7] = { 10535, 0, -3 }, /* power, vrange 100V, irange 30mV */ |
| 109 | [8] = { 42, 31871, -1 }, /* temperature */ |
| 110 | }; |
| 111 | |
| 112 | static void adm1272_check_limits(ADM1272State *s) |
| 113 | { |
| 114 | PMBusDevice *pmdev = PMBUS_DEVICE(s); |
| 115 | |
| 116 | pmbus_check_limits(pmdev); |
| 117 | |
| 118 | if (pmdev->pages[0].read_vout > s->peak_vout) { |
| 119 | s->peak_vout = pmdev->pages[0].read_vout; |
| 120 | } |
| 121 | |
| 122 | if (pmdev->pages[0].read_vin > s->peak_vin) { |
| 123 | s->peak_vin = pmdev->pages[0].read_vin; |
| 124 | } |
| 125 | |
| 126 | if (pmdev->pages[0].read_iout > s->peak_iout) { |
| 127 | s->peak_iout = pmdev->pages[0].read_iout; |
| 128 | } |
| 129 | |
| 130 | if (pmdev->pages[0].read_temperature_1 > s->peak_temperature) { |
| 131 | s->peak_temperature = pmdev->pages[0].read_temperature_1; |
| 132 | } |
| 133 | |
| 134 | if (pmdev->pages[0].read_pin > s->peak_pin) { |
| 135 | s->peak_pin = pmdev->pages[0].read_pin; |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | static uint16_t adm1272_millivolts_to_direct(uint32_t value) |
| 140 | { |
| 141 | PMBusCoefficients c = adm1272_coefficients[ADM1272_VOLTAGE_COEFF_DEFAULT]; |
| 142 | c.b = c.b * 1000; |
| 143 | c.R = c.R - 3; |
| 144 | return pmbus_data2direct_mode(c, value); |
| 145 | } |
| 146 | |
| 147 | static uint32_t adm1272_direct_to_millivolts(uint16_t value) |
| 148 | { |
| 149 | PMBusCoefficients c = adm1272_coefficients[ADM1272_VOLTAGE_COEFF_DEFAULT]; |
| 150 | c.b = c.b * 1000; |
| 151 | c.R = c.R - 3; |
| 152 | return pmbus_direct_mode2data(c, value); |
| 153 | } |
| 154 | |
| 155 | static uint16_t adm1272_milliamps_to_direct(uint32_t value) |
| 156 | { |
| 157 | PMBusCoefficients c = adm1272_coefficients[ADM1272_CURRENT_COEFF_DEFAULT]; |
| 158 | /* Y = (m * r_sense * x - b) * 10^R */ |
| 159 | c.m = c.m * ADM1272_SHUNT / 1000; /* micro-ohms */ |
| 160 | c.b = c.b * 1000; |
| 161 | c.R = c.R - 3; |
| 162 | return pmbus_data2direct_mode(c, value); |
| 163 | } |
| 164 | |
| 165 | static uint32_t adm1272_direct_to_milliamps(uint16_t value) |
| 166 | { |
| 167 | PMBusCoefficients c = adm1272_coefficients[ADM1272_CURRENT_COEFF_DEFAULT]; |
| 168 | c.m = c.m * ADM1272_SHUNT / 1000; |
| 169 | c.b = c.b * 1000; |
| 170 | c.R = c.R - 3; |
| 171 | return pmbus_direct_mode2data(c, value); |
| 172 | } |
| 173 | |
| 174 | static uint16_t adm1272_watts_to_direct(uint32_t value) |
| 175 | { |
| 176 | PMBusCoefficients c = adm1272_coefficients[ADM1272_PWR_COEFF_DEFAULT]; |
| 177 | c.m = c.m * ADM1272_SHUNT / 1000; |
| 178 | return pmbus_data2direct_mode(c, value); |
| 179 | } |
| 180 | |
| 181 | static uint32_t adm1272_direct_to_watts(uint16_t value) |
| 182 | { |
| 183 | PMBusCoefficients c = adm1272_coefficients[ADM1272_PWR_COEFF_DEFAULT]; |
| 184 | c.m = c.m * ADM1272_SHUNT / 1000; |
| 185 | return pmbus_direct_mode2data(c, value); |
| 186 | } |
| 187 | |
| 188 | static void adm1272_exit_reset(Object *obj, ResetType type) |
| 189 | { |
| 190 | ADM1272State *s = ADM1272(obj); |
| 191 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); |
| 192 | |
| 193 | pmdev->page = 0; |
| 194 | pmdev->pages[0].operation = ADM1272_OPERATION_DEFAULT; |
| 195 | |
| 196 | |
| 197 | pmdev->capability = ADM1272_CAPABILITY_NO_PEC; |
| 198 | pmdev->pages[0].revision = ADM1272_PMBUS_REVISION_DEFAULT; |
| 199 | pmdev->pages[0].vout_mode = ADM1272_DIRECT_MODE; |
| 200 | pmdev->pages[0].vout_ov_warn_limit = ADM1272_HIGH_LIMIT_DEFAULT; |
| 201 | pmdev->pages[0].vout_uv_warn_limit = 0; |
| 202 | pmdev->pages[0].iout_oc_warn_limit = ADM1272_HIGH_LIMIT_DEFAULT; |
| 203 | pmdev->pages[0].ot_fault_limit = ADM1272_HIGH_LIMIT_DEFAULT; |
| 204 | pmdev->pages[0].ot_warn_limit = ADM1272_HIGH_LIMIT_DEFAULT; |
| 205 | pmdev->pages[0].vin_ov_warn_limit = ADM1272_HIGH_LIMIT_DEFAULT; |
| 206 | pmdev->pages[0].vin_uv_warn_limit = 0; |
| 207 | pmdev->pages[0].pin_op_warn_limit = ADM1272_PIN_OP_DEFAULT; |
| 208 | |
| 209 | pmdev->pages[0].status_word = 0; |
| 210 | pmdev->pages[0].status_vout = 0; |
| 211 | pmdev->pages[0].status_iout = 0; |
| 212 | pmdev->pages[0].status_input = 0; |
| 213 | pmdev->pages[0].status_temperature = 0; |
| 214 | pmdev->pages[0].status_mfr_specific = 0; |
| 215 | |
| 216 | pmdev->pages[0].read_vin |
| 217 | = adm1272_millivolts_to_direct(ADM1272_VOLT_DEFAULT); |
| 218 | pmdev->pages[0].read_vout |
| 219 | = adm1272_millivolts_to_direct(ADM1272_VOLT_DEFAULT); |
| 220 | pmdev->pages[0].read_iout |
| 221 | = adm1272_milliamps_to_direct(ADM1272_IOUT_DEFAULT); |
| 222 | pmdev->pages[0].read_temperature_1 = 0; |
| 223 | pmdev->pages[0].read_pin = adm1272_watts_to_direct(ADM1272_PWR_DEFAULT); |
| 224 | pmdev->pages[0].revision = ADM1272_PMBUS_REVISION_DEFAULT; |
| 225 | pmdev->pages[0].mfr_id = ADM1272_MFR_ID_DEFAULT; |
| 226 | pmdev->pages[0].mfr_model = ADM1272_MODEL_DEFAULT; |
| 227 | pmdev->pages[0].mfr_revision = ADM1272_MFR_DEFAULT_REVISION; |
| 228 | pmdev->pages[0].mfr_date = ADM1272_DEFAULT_DATE; |
| 229 | |
| 230 | s->pin_ext = 0; |
| 231 | s->ein_ext = 0; |
| 232 | s->restart_time = ADM1272_RESTART_TIME_DEFAULT; |
| 233 | |
| 234 | s->peak_vin = 0; |
| 235 | s->peak_vout = 0; |
| 236 | s->peak_iout = 0; |
| 237 | s->peak_temperature = 0; |
| 238 | s->peak_pin = 0; |
| 239 | |
| 240 | s->pmon_control = ADM1272_PMON_CONTROL_DEFAULT; |
| 241 | s->pmon_config = ADM1272_PMON_CONFIG_DEFAULT; |
| 242 | s->alert1_config = 0; |
| 243 | s->alert2_config = 0; |
| 244 | s->device_config = ADM1272_DEVICE_CONFIG_DEFAULT; |
| 245 | |
| 246 | s->hysteresis_low = 0; |
| 247 | s->hysteresis_high = ADM1272_HYSTERESIS_HIGH_DEFAULT; |
| 248 | s->status_hysteresis = 0; |
| 249 | s->status_gpio = 0; |
| 250 | |
| 251 | s->strt_up_iout_lim = ADM1272_STRT_UP_IOUT_LIM_DEFAULT; |
| 252 | } |
| 253 | |
| 254 | static uint8_t adm1272_read_byte(PMBusDevice *pmdev) |
| 255 | { |
| 256 | ADM1272State *s = ADM1272(pmdev); |
| 257 | |
| 258 | switch (pmdev->code) { |
| 259 | case ADM1272_RESTART_TIME: |
| 260 | pmbus_send8(pmdev, s->restart_time); |
| 261 | break; |
| 262 | |
| 263 | case ADM1272_MFR_PEAK_IOUT: |
| 264 | pmbus_send16(pmdev, s->peak_iout); |
| 265 | break; |
| 266 | |
| 267 | case ADM1272_MFR_PEAK_VIN: |
| 268 | pmbus_send16(pmdev, s->peak_vin); |
| 269 | break; |
| 270 | |
| 271 | case ADM1272_MFR_PEAK_VOUT: |
| 272 | pmbus_send16(pmdev, s->peak_vout); |
| 273 | break; |
| 274 | |
| 275 | case ADM1272_MFR_PMON_CONTROL: |
| 276 | pmbus_send8(pmdev, s->pmon_control); |
| 277 | break; |
| 278 | |
| 279 | case ADM1272_MFR_PMON_CONFIG: |
| 280 | pmbus_send16(pmdev, s->pmon_config); |
| 281 | break; |
| 282 | |
| 283 | case ADM1272_MFR_ALERT1_CONFIG: |
| 284 | pmbus_send16(pmdev, s->alert1_config); |
| 285 | break; |
| 286 | |
| 287 | case ADM1272_MFR_ALERT2_CONFIG: |
| 288 | pmbus_send16(pmdev, s->alert2_config); |
| 289 | break; |
| 290 | |
| 291 | case ADM1272_MFR_PEAK_TEMPERATURE: |
| 292 | pmbus_send16(pmdev, s->peak_temperature); |
| 293 | break; |
| 294 | |
| 295 | case ADM1272_MFR_DEVICE_CONFIG: |
| 296 | pmbus_send16(pmdev, s->device_config); |
| 297 | break; |
| 298 | |
| 299 | case ADM1272_MFR_PEAK_PIN: |
| 300 | pmbus_send16(pmdev, s->peak_pin); |
| 301 | break; |
| 302 | |
| 303 | case ADM1272_MFR_READ_PIN_EXT: |
| 304 | pmbus_send32(pmdev, s->pin_ext); |
| 305 | break; |
| 306 | |
| 307 | case ADM1272_MFR_READ_EIN_EXT: |
| 308 | pmbus_send64(pmdev, s->ein_ext); |
| 309 | break; |
| 310 | |
| 311 | case ADM1272_HYSTERESIS_LOW: |
| 312 | pmbus_send16(pmdev, s->hysteresis_low); |
| 313 | break; |
| 314 | |
| 315 | case ADM1272_HYSTERESIS_HIGH: |
| 316 | pmbus_send16(pmdev, s->hysteresis_high); |
| 317 | break; |
| 318 | |
| 319 | case ADM1272_STATUS_HYSTERESIS: |
| 320 | pmbus_send16(pmdev, s->status_hysteresis); |
| 321 | break; |
| 322 | |
| 323 | case ADM1272_STATUS_GPIO: |
| 324 | pmbus_send16(pmdev, s->status_gpio); |
| 325 | break; |
| 326 | |
| 327 | case ADM1272_STRT_UP_IOUT_LIM: |
| 328 | pmbus_send16(pmdev, s->strt_up_iout_lim); |
| 329 | break; |
| 330 | |
| 331 | default: |
| 332 | qemu_log_mask(LOG_GUEST_ERROR, |
| 333 | "%s: reading from unsupported register: 0x%02x\n", |
| 334 | __func__, pmdev->code); |
| 335 | return 0xFF; |
| 336 | break; |
| 337 | } |
| 338 | |
| 339 | return 0; |
| 340 | } |
| 341 | |
| 342 | static int adm1272_write_data(PMBusDevice *pmdev, const uint8_t *buf, |
| 343 | uint8_t len) |
| 344 | { |
| 345 | ADM1272State *s = ADM1272(pmdev); |
| 346 | |
| 347 | if (len == 0) { |
| 348 | qemu_log_mask(LOG_GUEST_ERROR, "%s: writing empty data\n", __func__); |
| 349 | return -1; |
| 350 | } |
| 351 | |
| 352 | pmdev->code = buf[0]; /* PMBus command code */ |
| 353 | |
| 354 | if (len == 1) { |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | /* Exclude command code from buffer */ |
| 359 | buf++; |
| 360 | len--; |
| 361 | |
| 362 | switch (pmdev->code) { |
| 363 | |
| 364 | case ADM1272_RESTART_TIME: |
| 365 | s->restart_time = pmbus_receive8(pmdev); |
| 366 | break; |
| 367 | |
| 368 | case ADM1272_MFR_PMON_CONTROL: |
| 369 | s->pmon_control = pmbus_receive8(pmdev); |
| 370 | break; |
| 371 | |
| 372 | case ADM1272_MFR_PMON_CONFIG: |
| 373 | s->pmon_config = pmbus_receive16(pmdev); |
| 374 | break; |
| 375 | |
| 376 | case ADM1272_MFR_ALERT1_CONFIG: |
| 377 | s->alert1_config = pmbus_receive16(pmdev); |
| 378 | break; |
| 379 | |
| 380 | case ADM1272_MFR_ALERT2_CONFIG: |
| 381 | s->alert2_config = pmbus_receive16(pmdev); |
| 382 | break; |
| 383 | |
| 384 | case ADM1272_MFR_DEVICE_CONFIG: |
| 385 | s->device_config = pmbus_receive16(pmdev); |
| 386 | break; |
| 387 | |
| 388 | case ADM1272_MFR_POWER_CYCLE: |
| 389 | device_cold_reset(DEVICE(s)); |
| 390 | break; |
| 391 | |
| 392 | case ADM1272_HYSTERESIS_LOW: |
| 393 | s->hysteresis_low = pmbus_receive16(pmdev); |
| 394 | break; |
| 395 | |
| 396 | case ADM1272_HYSTERESIS_HIGH: |
| 397 | s->hysteresis_high = pmbus_receive16(pmdev); |
| 398 | break; |
| 399 | |
| 400 | case ADM1272_STRT_UP_IOUT_LIM: |
| 401 | s->strt_up_iout_lim = pmbus_receive16(pmdev); |
| 402 | adm1272_check_limits(s); |
| 403 | break; |
| 404 | |
| 405 | default: |
| 406 | qemu_log_mask(LOG_GUEST_ERROR, |
| 407 | "%s: writing to unsupported register: 0x%02x\n", |
| 408 | __func__, pmdev->code); |
| 409 | break; |
| 410 | } |
| 411 | return 0; |
| 412 | } |
| 413 | |
| 414 | static void adm1272_get(Object *obj, Visitor *v, const char *name, void *opaque, |
| 415 | Error **errp) |
| 416 | { |
| 417 | uint16_t value; |
| 418 | |
| 419 | if (strcmp(name, "vin") == 0 || strcmp(name, "vout") == 0) { |
| 420 | value = adm1272_direct_to_millivolts(*(uint16_t *)opaque); |
| 421 | } else if (strcmp(name, "iout") == 0) { |
| 422 | value = adm1272_direct_to_milliamps(*(uint16_t *)opaque); |
| 423 | } else if (strcmp(name, "pin") == 0) { |
| 424 | value = adm1272_direct_to_watts(*(uint16_t *)opaque); |
| 425 | } else { |
| 426 | value = *(uint16_t *)opaque; |
| 427 | } |
| 428 | |
| 429 | visit_type_uint16(v, name, &value, errp); |
| 430 | } |
| 431 | |
| 432 | static void adm1272_set(Object *obj, Visitor *v, const char *name, void *opaque, |
| 433 | Error **errp) |
| 434 | { |
| 435 | ADM1272State *s = ADM1272(obj); |
| 436 | uint16_t *internal = opaque; |
| 437 | uint16_t value; |
| 438 | |
| 439 | if (!visit_type_uint16(v, name, &value, errp)) { |
| 440 | return; |
| 441 | } |
| 442 | |
| 443 | if (strcmp(name, "vin") == 0 || strcmp(name, "vout") == 0) { |
| 444 | *internal = adm1272_millivolts_to_direct(value); |
| 445 | } else if (strcmp(name, "iout") == 0) { |
| 446 | *internal = adm1272_milliamps_to_direct(value); |
| 447 | } else if (strcmp(name, "pin") == 0) { |
| 448 | *internal = adm1272_watts_to_direct(value); |
| 449 | } else { |
| 450 | *internal = value; |
| 451 | } |
| 452 | |
| 453 | adm1272_check_limits(s); |
| 454 | } |
| 455 | |
| 456 | static const VMStateDescription vmstate_adm1272 = { |
| 457 | .name = "ADM1272", |
| 458 | .version_id = 0, |
| 459 | .minimum_version_id = 0, |
| 460 | .fields = (const VMStateField[]){ |
| 461 | VMSTATE_PMBUS_DEVICE(parent, ADM1272State), |
| 462 | VMSTATE_UINT64(ein_ext, ADM1272State), |
| 463 | VMSTATE_UINT32(pin_ext, ADM1272State), |
| 464 | VMSTATE_UINT8(restart_time, ADM1272State), |
| 465 | |
| 466 | VMSTATE_UINT16(peak_vin, ADM1272State), |
| 467 | VMSTATE_UINT16(peak_vout, ADM1272State), |
| 468 | VMSTATE_UINT16(peak_iout, ADM1272State), |
| 469 | VMSTATE_UINT16(peak_temperature, ADM1272State), |
| 470 | VMSTATE_UINT16(peak_pin, ADM1272State), |
| 471 | |
| 472 | VMSTATE_UINT8(pmon_control, ADM1272State), |
| 473 | VMSTATE_UINT16(pmon_config, ADM1272State), |
| 474 | VMSTATE_UINT16(alert1_config, ADM1272State), |
| 475 | VMSTATE_UINT16(alert2_config, ADM1272State), |
| 476 | VMSTATE_UINT16(device_config, ADM1272State), |
| 477 | |
| 478 | VMSTATE_UINT16(hysteresis_low, ADM1272State), |
| 479 | VMSTATE_UINT16(hysteresis_high, ADM1272State), |
| 480 | VMSTATE_UINT8(status_hysteresis, ADM1272State), |
| 481 | VMSTATE_UINT8(status_gpio, ADM1272State), |
| 482 | |
| 483 | VMSTATE_UINT16(strt_up_iout_lim, ADM1272State), |
| 484 | VMSTATE_END_OF_LIST() |
| 485 | } |
| 486 | }; |
| 487 | |
| 488 | static void adm1272_init(Object *obj) |
| 489 | { |
| 490 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); |
| 491 | uint64_t flags = PB_HAS_VOUT_MODE | PB_HAS_VOUT | PB_HAS_VIN | PB_HAS_IOUT | |
| 492 | PB_HAS_PIN | PB_HAS_TEMPERATURE | PB_HAS_MFR_INFO; |
| 493 | |
| 494 | pmbus_page_config(pmdev, 0, flags); |
| 495 | |
| 496 | object_property_add(obj, "vin", "uint16", |
| 497 | adm1272_get, |
| 498 | adm1272_set, NULL, &pmdev->pages[0].read_vin); |
| 499 | |
| 500 | object_property_add(obj, "vout", "uint16", |
| 501 | adm1272_get, |
| 502 | adm1272_set, NULL, &pmdev->pages[0].read_vout); |
| 503 | |
| 504 | object_property_add(obj, "iout", "uint16", |
| 505 | adm1272_get, |
| 506 | adm1272_set, NULL, &pmdev->pages[0].read_iout); |
| 507 | |
| 508 | object_property_add(obj, "pin", "uint16", |
| 509 | adm1272_get, |
| 510 | adm1272_set, NULL, &pmdev->pages[0].read_pin); |
| 511 | |
| 512 | } |
| 513 | |
| 514 | static void adm1272_class_init(ObjectClass *klass, const void *data) |
| 515 | { |
| 516 | ResettableClass *rc = RESETTABLE_CLASS(klass); |
| 517 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 518 | PMBusDeviceClass *k = PMBUS_DEVICE_CLASS(klass); |
| 519 | |
| 520 | dc->desc = "Analog Devices ADM1272 Hot Swap controller"; |
| 521 | dc->vmsd = &vmstate_adm1272; |
| 522 | k->write_data = adm1272_write_data; |
| 523 | k->receive_byte = adm1272_read_byte; |
| 524 | k->device_num_pages = 1; |
| 525 | |
| 526 | rc->phases.exit = adm1272_exit_reset; |
| 527 | } |
| 528 | |
| 529 | static const TypeInfo adm1272_info = { |
| 530 | .name = TYPE_ADM1272, |
| 531 | .parent = TYPE_PMBUS_DEVICE, |
| 532 | .instance_size = sizeof(ADM1272State), |
| 533 | .instance_init = adm1272_init, |
| 534 | .class_init = adm1272_class_init, |
| 535 | }; |
| 536 | |
| 537 | static void adm1272_register_types(void) |
| 538 | { |
| 539 | type_register_static(&adm1272_info); |
| 540 | } |
| 541 | |
| 542 | type_init(adm1272_register_types) |