80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "ec_commands.h"
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#include "host_command.h"
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#include "power.h"
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/* Track last reported sleep event */
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static enum host_sleep_event host_sleep_state;
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__overridable void power_chipset_handle_host_sleep_event(
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enum host_sleep_event state,
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struct host_sleep_event_context *ctx)
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{
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/* Default weak implementation -- no action required. */
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}
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static enum ec_status
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host_command_host_sleep_event(struct host_cmd_handler_args *args)
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{
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const struct ec_params_host_sleep_event_v1 *p = args->params;
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struct ec_response_host_sleep_event_v1 *r = args->response;
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struct host_sleep_event_context ctx;
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enum host_sleep_event state = p->sleep_event;
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host_sleep_state = state;
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ctx.sleep_transitions = 0;
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switch (state) {
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case HOST_SLEEP_EVENT_S0IX_SUSPEND:
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case HOST_SLEEP_EVENT_S3_SUSPEND:
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case HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND:
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ctx.sleep_timeout_ms = EC_HOST_SLEEP_TIMEOUT_DEFAULT;
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/* The original version contained only state. */
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if (args->version >= 1)
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ctx.sleep_timeout_ms =
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p->suspend_params.sleep_timeout_ms;
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break;
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default:
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break;
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}
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power_chipset_handle_host_sleep_event(host_sleep_state, &ctx);
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switch (state) {
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case HOST_SLEEP_EVENT_S0IX_RESUME:
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case HOST_SLEEP_EVENT_S3_RESUME:
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if (args->version >= 1) {
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r->resume_response.sleep_transitions =
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ctx.sleep_transitions;
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args->response_size = sizeof(*r);
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}
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break;
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default:
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break;
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}
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return EC_RES_SUCCESS;
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}
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DECLARE_HOST_COMMAND(EC_CMD_HOST_SLEEP_EVENT,
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host_command_host_sleep_event,
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EC_VER_MASK(0) | EC_VER_MASK(1));
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enum host_sleep_event power_get_host_sleep_state(void)
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{
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return host_sleep_state;
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}
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void power_set_host_sleep_state(enum host_sleep_event state)
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{
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host_sleep_state = state;
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}
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