summaryrefslogtreecommitdiff
path: root/board/gaelin/thermal.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/gaelin/thermal.c')
-rw-r--r--board/gaelin/thermal.c140
1 files changed, 0 insertions, 140 deletions
diff --git a/board/gaelin/thermal.c b/board/gaelin/thermal.c
deleted file mode 100644
index e15e0043e1..0000000000
--- a/board/gaelin/thermal.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/* Copyright 2022 The ChromiumOS Authors
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "chipset.h"
-#include "common.h"
-#include "console.h"
-#include "fan.h"
-#include "hooks.h"
-#include "host_command.h"
-#include "temp_sensor.h"
-#include "thermal.h"
-#include "util.h"
-
-/* Console output macros */
-#define CPUTS(outstr) cputs(CC_THERMAL, outstr)
-#define CPRINTS(format, args...) cprints(CC_THERMAL, format, ##args)
-
-struct fan_step {
- /*
- * Sensor 1~4 trigger point, set -1 if we're not using this
- * sensor to determine fan speed.
- */
- int8_t on[TEMP_SENSOR_COUNT];
- /*
- * Sensor 1~4 trigger point, set -1 if we're not using this
- * sensor to determine fan speed.
- */
- int8_t off[TEMP_SENSOR_COUNT];
- /* Fan rpm */
- int16_t rpm[FAN_CH_COUNT];
-};
-
-static const struct fan_step fan_table[] = {
- {
- /* level 0 */
- .on = { 65, -1, -1, -1 },
- .off = { 0, -1, -1, -1 },
- .rpm = { 2350 },
- },
- {
- /* level 1 */
- .on = { 80, -1, -1, -1 },
- .off = { 60, -1, -1, -1 },
- .rpm = { 2350 },
- },
- {
- /* level 2 */
- .on = { 87, -1, -1, -1 },
- .off = { 75, -1, -1, -1 },
- .rpm = { 3250 },
- },
- {
- /* level 3 */
- .on = { 91, -1, -1, -1 },
- .off = { 82, -1, -1, -1 },
- .rpm = { 3750 },
- },
- {
- /* level 4 */
- .on = { 100, -1, -1, -1 },
- .off = { 86, -1, -1, -1 },
- .rpm = { 4100 },
- },
-};
-const int num_fan_levels = ARRAY_SIZE(fan_table);
-
-int fan_table_to_rpm(int fan, int *temp, enum temp_sensor_id temp_sensor)
-{
- /* current fan level */
- static int current_level;
- /* previous fan level */
- static int prev_current_level;
- /* previous sensor temperature */
- static int prev_temp[TEMP_SENSOR_COUNT];
- int i;
- int new_rpm = 0;
-
- /*
- * Compare the current and previous temperature, we have
- * the three paths:
- * 1. decreasing path. (check the release point)
- * 2. increasing path. (check the trigger point)
- * 3. invariant path. (return the current RPM)
- */
- if (temp[temp_sensor] < prev_temp[temp_sensor]) {
- for (i = current_level; i > 0; i--) {
- if (temp[temp_sensor] < fan_table[i].off[temp_sensor])
- current_level = i - 1;
- else
- break;
- }
- } else if (temp[temp_sensor] > prev_temp[temp_sensor]) {
- for (i = current_level; i < num_fan_levels; i++) {
- if (temp[temp_sensor] > fan_table[i].on[temp_sensor])
- current_level = i + 1;
- else
- break;
- }
- }
-
- if (current_level < 0)
- current_level = 0;
- if (current_level >= num_fan_levels)
- current_level = num_fan_levels - 1;
-
- if (current_level != prev_current_level) {
- CPRINTS("temp: %d, prev_temp: %d", temp[temp_sensor],
- prev_temp[temp_sensor]);
- CPRINTS("current_level: %d", current_level);
- }
-
- prev_temp[temp_sensor] = temp[temp_sensor];
- prev_current_level = current_level;
-
- switch (fan) {
- case FAN_CH_0:
- new_rpm = fan_table[current_level].rpm[FAN_CH_0];
- break;
- default:
- break;
- }
-
- return new_rpm;
-}
-
-void board_override_fan_control(int fan, int *temp)
-{
- if (chipset_in_state(CHIPSET_STATE_ON)) {
- fan_set_rpm_mode(FAN_CH(fan), 1);
- fan_set_rpm_target(FAN_CH(fan),
- fan_table_to_rpm(FAN_CH(fan), temp,
- TEMP_SENSOR_1_CPU));
- } else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) {
- /* Stop fan when enter S0ix */
- fan_set_rpm_mode(FAN_CH(fan), 1);
- fan_set_rpm_target(FAN_CH(fan), 0);
- }
-}