Anforderungen  |   Konzepte  |   Entwurf  |   Entwicklung  |   Qualitätssicherung  |   Lebenszyklus  |   Steuerung
 
 
 
 

products/Sources/formale Sprachen/C/LibreOffice/icon-themes/sifr_svg/cmd/   (Office von Apache Version 25.8.3.2©)  Datei vom 5.10.2025 mit Größe 198 B image not shown  

Bilddatei

pxe1610.c


products/sources/formale Sprachen/C/Linux/drivers/hwmon/pmbus/pxe1610.c

// SPDX-License-Identifier: GPL-2.0+ /* * Hardware monitoring driver for Infineon PXE1610 * * Copyright (c) 2019 Facebook Inc * */ #include #include #include #include #include #include "pmbus.h" #define PXE1610_NUM_PAGES 3 /* Identify chip parameters. */ static int pxe1610_identify(struct i2c_client *client, struct pmbus_driver_info *info) { int i; for (i = 0; i < PXE1610_NUM_PAGES; i++) { if (pmbus_check_byte_register(client, i, PMBUS_VOUT_MODE)) { u8 vout_mode; int ret; /* Read the register with VOUT scaling value.*/ ret = pmbus_read_byte_data(client, i, PMBUS_VOUT_MODE); if (ret < 0) return ret; vout_mode = ret & GENMASK(4, 0); switch (vout_mode) { case 1: info->vrm_version[i] = vr12; break; case 2: info->vrm_version[i] = vr13; break; default: /* * If prior pages are available limit operation * to them */ if (i != 0) { info->pages = i; return 0; } return -ENODEV; } } } return 0; } static struct pmbus_driver_info pxe1610_info = { .pages = PXE1610_NUM_PAGES, .format[PSC_VOLTAGE_IN] = linear, .format[PSC_VOLTAGE_OUT] = vid, .format[PSC_CURRENT_IN] = linear, .format[PSC_CURRENT_OUT] = linear, .format[PSC_TEMPERATURE] = linear, .format[PSC_POWER] = linear, .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP, .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP, .func[2] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP, .identify = pxe1610_identify, }; static int pxe1610_probe(struct i2c_client *client) { struct pmbus_driver_info *info; u8 buf[I2C_SMBUS_BLOCK_MAX]; int ret; if (!i2c_check_functionality( client->adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA | I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_READ_BLOCK_DATA)) return -ENODEV; /* * By default this device doesn't boot to page 0, so set page 0 * to access all pmbus registers. */ i2c_smbus_write_byte_data(client, PMBUS_PAGE, 0); /* Read Manufacturer id */ ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, buf); if (ret < 0) { dev_err(&client->dev, "Failed to read PMBUS_MFR_ID\n"); return ret; } if (ret != 2 || strncmp(buf, "XP", 2)) { dev_err(&client->dev, "MFR_ID unrecognized\n"); return -ENODEV; } info = devm_kmemdup(&client->dev, &pxe1610_info, sizeof(struct pmbus_driver_info), GFP_KERNEL); if (!info) return -ENOMEM; return pmbus_do_probe(client, info); } static const struct i2c_device_id pxe1610_id[] = { {"pxe1610"}, {"pxe1110"}, {"pxm1310"}, {} }; MODULE_DEVICE_TABLE(i2c, pxe1610_id); static struct i2c_driver pxe1610_driver = { .driver = { .name = "pxe1610", }, .probe = pxe1610_probe, .id_table = pxe1610_id, }; module_i2c_driver(pxe1610_driver); MODULE_AUTHOR("Vijay Khemka "); MODULE_DESCRIPTION("PMBus driver for Infineon PXE1610, PXE1110 and PXM1310"); MODULE_LICENSE("GPL"); MODULE_IMPORT_NS("PMBUS");

                                                                                                                                                                                                                                                                                                                                                                                                     

Neuigkeiten

     Aktuelles
     Motto des Tages

Software

     Produkte
     Quellcodebibliothek

Aktivitäten

     Artikel über Sicherheit
     Anleitung zur Aktivierung von SSL

Muße

     Gedichte
     Musik
     Bilder
Jenseits des Üblichen ....
    

Besucherstatistik

Besucherstatistik

Monitoring

Montastic status badge