diff options
Diffstat (limited to 'board/drawcia_riscv/cbi_ssfc.c')
-rw-r--r-- | board/drawcia_riscv/cbi_ssfc.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/board/drawcia_riscv/cbi_ssfc.c b/board/drawcia_riscv/cbi_ssfc.c new file mode 100644 index 0000000000..c4b859f133 --- /dev/null +++ b/board/drawcia_riscv/cbi_ssfc.c @@ -0,0 +1,36 @@ +/* Copyright 2021 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 "cbi_ssfc.h" +#include "common.h" +#include "console.h" +#include "cros_board_info.h" +#include "hooks.h" + +#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args) + +/* Cache SSFC on init since we don't expect it to change in runtime */ +static union dedede_cbi_ssfc cached_ssfc; +BUILD_ASSERT(sizeof(cached_ssfc) == sizeof(uint32_t)); + +static void cbi_ssfc_init(void) +{ + if (cbi_get_ssfc(&cached_ssfc.raw_value) != EC_SUCCESS) + /* Default to 0 when CBI isn't populated */ + cached_ssfc.raw_value = 0; + + CPRINTS("Read CBI SSFC : 0x%04X", cached_ssfc.raw_value); +} +DECLARE_HOOK(HOOK_INIT, cbi_ssfc_init, HOOK_PRIO_FIRST); + +enum ec_ssfc_base_sensor get_cbi_ssfc_base_sensor(void) +{ + return (enum ec_ssfc_base_sensor) cached_ssfc.base_sensor; +} + +enum ec_ssfc_lid_sensor get_cbi_ssfc_lid_sensor(void) +{ + return (enum ec_ssfc_lid_sensor) cached_ssfc.lid_sensor; +} |