From c10bb98f5381a477540a094dcddfe1d1c5ee7ade Mon Sep 17 00:00:00 2001 From: Pi-Hsun Shih Date: Tue, 16 Jun 2020 13:45:37 +0800 Subject: ec_commands: Add host commands for regulator control. BUG=b:149274957 TEST=build BRANCH=none Change-Id: I9c7b5dec7e2f66ab64750b48acd914a1c86dfd3d Signed-off-by: Pi-Hsun Shih Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2247431 Reviewed-by: Jett Rink Commit-Queue: Jett Rink --- common/regulator.c | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 common/regulator.c (limited to 'common/regulator.c') diff --git a/common/regulator.c b/common/regulator.c new file mode 100644 index 0000000000..c3f5d0b99d --- /dev/null +++ b/common/regulator.c @@ -0,0 +1,99 @@ +/* Copyright 2020 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. + */ + +/* Regulator control module for Chrome EC */ + +#include "common.h" +#include "console.h" +#include "ec_commands.h" +#include "host_command.h" +#include "regulator.h" + +static enum ec_status +hc_regulator_get_info(struct host_cmd_handler_args *args) +{ + const struct ec_params_regulator_get_info *p = args->params; + struct ec_response_regulator_get_info *r = args->response; + int rv; + + rv = board_regulator_get_info(p->index, r->name, &r->num_voltages, + r->voltages_mv); + + if (rv) + return EC_RES_ERROR; + + args->response_size = sizeof(*r); + return EC_RES_SUCCESS; +} +DECLARE_HOST_COMMAND(EC_CMD_REGULATOR_GET_INFO, hc_regulator_get_info, + EC_VER_MASK(0)); + +static enum ec_status +hc_regulator_enable(struct host_cmd_handler_args *args) +{ + const struct ec_params_regulator_enable *p = args->params; + int rv; + + rv = board_regulator_enable(p->index, p->enable); + + if (rv) + return EC_RES_ERROR; + + return EC_RES_SUCCESS; +} +DECLARE_HOST_COMMAND(EC_CMD_REGULATOR_ENABLE, hc_regulator_enable, + EC_VER_MASK(0)); + +static enum ec_status +hc_regulator_is_enabled(struct host_cmd_handler_args *args) +{ + const struct ec_params_regulator_is_enabled *p = args->params; + struct ec_response_regulator_is_enabled *r = args->response; + int rv; + + rv = board_regulator_is_enabled(p->index, &r->enabled); + + if (rv) + return EC_RES_ERROR; + + args->response_size = sizeof(*r); + return EC_RES_SUCCESS; +} +DECLARE_HOST_COMMAND(EC_CMD_REGULATOR_IS_ENABLED, hc_regulator_is_enabled, + EC_VER_MASK(0)); + +static enum ec_status +hc_regulator_get_voltage(struct host_cmd_handler_args *args) +{ + const struct ec_params_regulator_get_voltage *p = args->params; + struct ec_response_regulator_get_voltage *r = args->response; + int rv; + + rv = board_regulator_get_voltage(p->index, &r->voltage_mv); + + if (rv) + return EC_RES_ERROR; + + args->response_size = sizeof(*r); + return EC_RES_SUCCESS; +} +DECLARE_HOST_COMMAND(EC_CMD_REGULATOR_GET_VOLTAGE, hc_regulator_get_voltage, + EC_VER_MASK(0)); + +static enum ec_status +hc_regulator_set_voltage(struct host_cmd_handler_args *args) +{ + const struct ec_params_regulator_set_voltage *p = args->params; + int rv; + + rv = board_regulator_set_voltage(p->index, p->min_mv, p->max_mv); + + if (rv) + return EC_RES_ERROR; + + return EC_RES_SUCCESS; +} +DECLARE_HOST_COMMAND(EC_CMD_REGULATOR_SET_VOLTAGE, hc_regulator_set_voltage, + EC_VER_MASK(0)); -- cgit v1.2.1