diff options
Diffstat (limited to 'board/constitution/fw_config.h')
| -rw-r--r-- | board/constitution/fw_config.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/board/constitution/fw_config.h b/board/constitution/fw_config.h new file mode 100644 index 0000000000..c2afd4c603 --- /dev/null +++ b/board/constitution/fw_config.h @@ -0,0 +1,41 @@ +/* Copyright 2023 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef __BOARD_BRASK_FW_CONFIG_H_ +#define __BOARD_BRASK_FW_CONFIG_H_ + +#include <stdint.h> + +/**************************************************************************** + * CBI FW_CONFIG layout for Brask board. + * + * Source of truth is the project/brask/brask/config.star configuration file. + */ +enum ec_cfg_audio_type { DB_AUDIO_UNKNOWN = 0, DB_NAU88L25B_I2S = 1 }; + +enum ec_cfg_bj_power { BJ_135W = 0, BJ_230W = 1 }; + +union brask_cbi_fw_config { + struct { + uint32_t audio : 3; + uint32_t bj_power : 2; + uint32_t reserved_1 : 27; + }; + uint32_t raw_value; +}; + +/** + * Read the cached FW_CONFIG. Guaranteed to have valid values. + * + * @return the FW_CONFIG for the board. + */ +union brask_cbi_fw_config get_fw_config(void); + +/** + * Get the barrel-jack power from FW_CONFIG. + */ +void ec_bj_power(uint32_t *voltage, uint32_t *current); + +#endif /* __BOARD_BRASK_FW_CONFIG_H_ */ |