src/superio/fintek/f81866d/f81866d_hwm.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /* Setup only for Fan2
   4  * TODO: Add support for Fan1 and Fan3
   5  */
   6
   7 #include <console/console.h>
   8 #include <device/device.h>
   9 #include <device/pnp.h>
  10 #include "fintek_internal.h"
  11 #include "chip.h"
  12
  13 /* Register addresses */
  14 // Choose between AMD and Intel
  15 #define HWM_AMD_TSI_ADDR                0x08
  16 #define HWM_AMD_TSI_CONTROL_REG         0x0A
  17
  18 // Set temp sensors type
  19 #define TEMP_SENS_TYPE_REG              0x6B
  20
  21 // FAN prog sel
  22 #define HWM_FAN3_CONTROL                0x9A
  23 #define HWM_FAN_SEL                     0x94
  24 #define HWM_FAN_MODE                    0x96
  25 #define HWM_FAN2_TEMP_MAP_SEL           0xBF
  26
  27 // Fan 2 - 4 Boundaries
  28 #define HWM_FAN2_BOUND1                 0xB6
  29 #define HWM_FAN2_BOUND2                 0xB7
  30 #define HWM_FAN2_BOUND3                 0xB8
  31 #define HWM_FAN2_BOUND4                 0xB9
  32 // Fan 2 - 5 Segment speeds
  33 #define HWM_FAN2_SEG1_SPEED_COUNT       0xBA
  34 #define HWM_FAN2_SEG2_SPEED_COUNT       0xBB
  35 #define HWM_FAN2_SEG3_SPEED_COUNT       0xBC
  36 #define HWM_FAN2_SEG4_SPEED_COUNT       0xBD
  37 #define HWM_FAN2_SEG5_SPEED_COUNT       0xBE
  38
  39 void f81866d_hwm_init(struct device *dev)
  40 {
  41         struct resource *res = probe_resource(dev, PNP_IDX_IO0);
  42
  43         if (!res) {
  44                 printk(BIOS_WARNING, "Super I/O HWM: No HWM resource found.\n");
  45                 return;
  46         }
  47
  48         const struct superio_fintek_f81866d_config *reg = dev->chip_info;
  49         u16 port = res->base;
  50
  51         pnp_enter_conf_mode(dev);
  52
  53         /* Use AMD TSI */
  54         pnp_write_index(port, HWM_AMD_TSI_ADDR, reg->hwm_amd_tsi_addr);
  55         pnp_write_index(port, HWM_AMD_TSI_CONTROL_REG, reg->hwm_amd_tsi_control);
  56
  57         /* Set temp1 sensor to thermistor */
  58         pnp_write_index(port, TEMP_SENS_TYPE_REG, reg->hwm_temp_sens_type);
  59
  60         /* Select FAN Type */
  61         pnp_write_index(port, HWM_FAN_SEL, reg->hwm_fan_select);
  62
  63         /* Select FAN Mode*/
  64         pnp_write_index(port, HWM_FAN_MODE, reg->hwm_fan_mode);
  65
  66         /* Set Boundaries */
  67         pnp_write_index(port, HWM_FAN2_BOUND1, reg->hwm_fan2_bound1);
  68         pnp_write_index(port, HWM_FAN2_BOUND2, reg->hwm_fan2_bound2);
  69         pnp_write_index(port, HWM_FAN2_BOUND3, reg->hwm_fan2_bound3);
  70         pnp_write_index(port, HWM_FAN2_BOUND4, reg->hwm_fan2_bound4);
  71
  72         /* Set Speed */
  73         pnp_write_index(port, HWM_FAN2_SEG1_SPEED_COUNT, reg->hwm_fan2_seg1_speed);
  74         pnp_write_index(port, HWM_FAN2_SEG2_SPEED_COUNT, reg->hwm_fan2_seg2_speed);
  75         pnp_write_index(port, HWM_FAN2_SEG3_SPEED_COUNT, reg->hwm_fan2_seg3_speed);
  76         pnp_write_index(port, HWM_FAN2_SEG4_SPEED_COUNT, reg->hwm_fan2_seg4_speed);
  77         pnp_write_index(port, HWM_FAN2_SEG5_SPEED_COUNT, reg->hwm_fan2_seg5_speed);
  78
  79         /* Set Fan control freq */
  80         pnp_write_index(port, HWM_FAN3_CONTROL, reg->hwm_fan3_control);
  81         pnp_write_index(port, HWM_FAN2_TEMP_MAP_SEL, reg->hwm_fan2_temp_map_select);
  82
  83         pnp_exit_conf_mode(dev);
  84 }