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Diffstat (limited to 'include/device_state.h')
| -rw-r--r-- | include/device_state.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/device_state.h b/include/device_state.h new file mode 100644 index 0000000000..1af3972bfb --- /dev/null +++ b/include/device_state.h @@ -0,0 +1,36 @@ +/* Copyright 2016 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. + */ + +#include "gpio.h" + +#ifndef __CROS_DEVICE_STATE_H +#define __CROS_DEVICE_STATE_H + +/* Device state indexes */ +enum device_state { + DEVICE_STATE_UNKNOWN = 0, + DEVICE_STATE_OFF, + DEVICE_STATE_ON, + DEVICE_STATE_COUNT, +}; + +struct device_config { + enum device_state state; + int state_change; + const struct deferred_data *deferred; + enum gpio_signal detect_on; + enum gpio_signal detect_off; +}; + +enum device_type; + +extern struct device_config device_states[]; + +int device_get_state(enum device_type device); + +void device_set_state(enum device_type device, enum device_state state); + +void board_update_device_state(enum device_type device); +#endif /* __CROS_DEVICE_STATE_H */ |