diff options
Diffstat (limited to 'common/temp_sensor.c')
| -rw-r--r-- | common/temp_sensor.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/common/temp_sensor.c b/common/temp_sensor.c deleted file mode 100644 index 69d440a6d5..0000000000 --- a/common/temp_sensor.c +++ /dev/null @@ -1,173 +0,0 @@ -/* Copyright 2012 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Temperature sensor module for Chrome EC */ - -#include "common.h" -#include "console.h" -#include "hooks.h" -#include "host_command.h" -#include "task.h" -#include "temp_sensor.h" -#include "thermal.h" -#include "timer.h" -#include "util.h" - -#ifdef CONFIG_ZEPHYR -#include "temp_sensor/temp_sensor.h" -#endif - -int temp_sensor_read(enum temp_sensor_id id, int *temp_ptr) -{ - const struct temp_sensor_t *sensor; - - if (id < 0 || id >= TEMP_SENSOR_COUNT) - return EC_ERROR_INVAL; - sensor = temp_sensors + id; - -#ifdef CONFIG_ZEPHYR - return sensor->read(sensor, temp_ptr); -#else - return sensor->read(sensor->idx, temp_ptr); -#endif -} - -static void update_mapped_memory(void) -{ - int i, t; - uint8_t *mptr = host_get_memmap(EC_MEMMAP_TEMP_SENSOR); - - for (i = 0; i < TEMP_SENSOR_COUNT; i++, mptr++) { - /* - * Switch to second range if first one is full, or stop if - * second range is also full. - */ - if (i == EC_TEMP_SENSOR_ENTRIES) - mptr = host_get_memmap(EC_MEMMAP_TEMP_SENSOR_B); - else if (i >= EC_TEMP_SENSOR_ENTRIES + - EC_TEMP_SENSOR_B_ENTRIES) - break; - - switch (temp_sensor_read(i, &t)) { - case EC_ERROR_NOT_POWERED: - *mptr = EC_TEMP_SENSOR_NOT_POWERED; - break; - case EC_ERROR_NOT_CALIBRATED: - *mptr = EC_TEMP_SENSOR_NOT_CALIBRATED; - break; - case EC_SUCCESS: - *mptr = t - EC_TEMP_SENSOR_OFFSET; - break; - default: - *mptr = EC_TEMP_SENSOR_ERROR; - } - } -} -/* Run after other TEMP tasks, so sensors will have updated first. */ -DECLARE_HOOK(HOOK_SECOND, update_mapped_memory, HOOK_PRIO_TEMP_SENSOR_DONE); - -static void temp_sensor_init(void) -{ - int i; - uint8_t *base, *base_b; - - /* - * Initialize memory-mapped data so that if a temperature value is read - * before we actually poll the sensors, we don't return an impossible - * or out-of-range value. - */ - base = host_get_memmap(EC_MEMMAP_TEMP_SENSOR); - base_b = host_get_memmap(EC_MEMMAP_TEMP_SENSOR_B); - for (i = 0; i < TEMP_SENSOR_COUNT; ++i) { - if (i < EC_TEMP_SENSOR_ENTRIES) - base[i] = EC_TEMP_SENSOR_DEFAULT; - else - base_b[i - EC_TEMP_SENSOR_ENTRIES] = - EC_TEMP_SENSOR_DEFAULT; - } - - /* Set the rest of memory region to SENSOR_NOT_PRESENT */ - for (; i < EC_TEMP_SENSOR_ENTRIES + EC_TEMP_SENSOR_B_ENTRIES; ++i) { - if (i < EC_TEMP_SENSOR_ENTRIES) - base[i] = EC_TEMP_SENSOR_NOT_PRESENT; - else - base_b[i - EC_TEMP_SENSOR_ENTRIES] = - EC_TEMP_SENSOR_NOT_PRESENT; - } - - /* Temp sensor data is present, with B range supported. */ - *host_get_memmap(EC_MEMMAP_THERMAL_VERSION) = 2; -} -DECLARE_HOOK(HOOK_INIT, temp_sensor_init, HOOK_PRIO_DEFAULT); - -/*****************************************************************************/ -/* Console commands */ - -#ifdef CONFIG_CMD_TEMP_SENSOR -int console_command_temps(int argc, char **argv) -{ - int t, i; - int rv, rv1 = EC_SUCCESS; - - for (i = 0; i < TEMP_SENSOR_COUNT; ++i) { - ccprintf(" %-20s: ", temp_sensors[i].name); - rv = temp_sensor_read(i, &t); - if (rv) - rv1 = rv; - - switch (rv) { - case EC_SUCCESS: - ccprintf("%d K = %d C", t, K_TO_C(t)); -#ifdef CONFIG_THROTTLE_AP - if (thermal_params[i].temp_fan_off && - thermal_params[i].temp_fan_max) - ccprintf(" %d%%", - thermal_fan_percent( - thermal_params[i].temp_fan_off, - thermal_params[i].temp_fan_max, - t)); -#endif - ccprintf("\n"); - break; - case EC_ERROR_NOT_POWERED: - ccprintf("Not powered\n"); - break; - case EC_ERROR_NOT_CALIBRATED: - ccprintf("Not calibrated\n"); - break; - default: - ccprintf("Error %d\n", rv); - } - } - - return rv1; -} -DECLARE_CONSOLE_COMMAND(temps, console_command_temps, - NULL, - "Print temp sensors"); -#endif - -/*****************************************************************************/ -/* Host commands */ - -enum ec_status temp_sensor_command_get_info(struct host_cmd_handler_args *args) -{ - const struct ec_params_temp_sensor_get_info *p = args->params; - struct ec_response_temp_sensor_get_info *r = args->response; - int id = p->id; - - if (id >= TEMP_SENSOR_COUNT) - return EC_RES_ERROR; - - strzcpy(r->sensor_name, temp_sensors[id].name, sizeof(r->sensor_name)); - r->sensor_type = temp_sensors[id].type; - - args->response_size = sizeof(*r); - - return EC_RES_SUCCESS; -} -DECLARE_HOST_COMMAND(EC_CMD_TEMP_SENSOR_GET_INFO, - temp_sensor_command_get_info, - EC_VER_MASK(0)); |