src/drivers/i2c/nct7802y/nct7802y.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <device/device.h>
   5 #include <types.h>
   6
   7 #include "nct7802y.h"
   8 #include "chip.h"
   9
  10 static void nct7802y_init_sensors(struct device *const dev)
  11 {
  12         const struct drivers_i2c_nct7802y_config *const config = dev->chip_info;
  13         unsigned int i;
  14         u8 value = 0;
  15
  16         for (i = 0; i < NCT7802Y_RTD_CNT; ++i)
  17                 value |= MODE_SELECTION_RTDx(i, config->sensors.rtd[i]);
  18         if (config->sensors.local_enable)
  19                 value |= MODE_SELECTION_LTD_EN;
  20         nct7802y_write(dev, MODE_SELECTION, value);
  21 }
  22
  23 static void nct7802y_init(struct device *const dev)
  24 {
  25         if (!dev->chip_info) {
  26                 printk(BIOS_WARNING,
  27                        "NCT7802Y driver selected but not configured.");
  28                 return;
  29         }
  30
  31         nct7802y_init_peci(dev);
  32         nct7802y_init_sensors(dev);
  33         nct7802y_init_fan(dev);
  34 }
  35
  36 static struct device_operations nct7802y_ops = {
  37         .read_resources         = noop_read_resources,
  38         .set_resources          = noop_set_resources,
  39         .init                   = nct7802y_init,
  40 };
  41
  42 static void nct7802y_enable(struct device *const dev)
  43 {
  44         dev->ops = &nct7802y_ops;
  45 }
  46
  47 struct chip_operations drivers_i2c_nct7802y_ops = {
  48         .name = "NCT7802Y",
  49         .enable_dev = nct7802y_enable
  50 };