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| author | Simon Glass <sjg@chromium.org> | 2021-01-16 14:52:26 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2021-01-30 14:25:41 -0700 |
| commit | 8aec32f6abd722b141d96bc095999efa76bd0327 (patch) | |
| tree | 127ce4a016602e527aded6c3ceb97c8121c34c78 /include/cros_ec.h | |
| parent | 7791df576c4e0bcb0529850e14173d028ec37275 (diff) | |
| download | u-boot-8aec32f6abd722b141d96bc095999efa76bd0327.zip u-boot-8aec32f6abd722b141d96bc095999efa76bd0327.tar.gz u-boot-8aec32f6abd722b141d96bc095999efa76bd0327.tar.bz2 | |
cros_ec: Support reading EC features
The EC can support a variety of features and provides a way to find out
what is available. Add support for this.
Also update the feature list to the lastest available while we are here.
This is at:
https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/include/ec_commands.h
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/cros_ec.h')
| -rw-r--r-- | include/cros_ec.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/cros_ec.h b/include/cros_ec.h index 1154cdc..338878c 100644 --- a/include/cros_ec.h +++ b/include/cros_ec.h @@ -516,4 +516,25 @@ int cros_ec_set_lid_shutdown_mask(struct udevice *dev, int enable); * @return 0 if OK, -ve on error */ int cros_ec_hello(struct udevice *dev, uint *handshakep); + +/** + * cros_ec_get_features() - Get the set of features provided by the EC + * + * See enum ec_feature_code for the list of available features + * + * @dev: CROS-EC device + * @featuresp: Returns a bitmask of supported features + * @return 0 if OK, -ve on error + */ +int cros_ec_get_features(struct udevice *dev, u64 *featuresp); + +/** + * cros_ec_check_feature() - Check if a feature is supported + * + * @dev: CROS-EC device + * @feature: Feature number to check (enum ec_feature_code) + * @return true if supported, false if not, -ve on error + */ +int cros_ec_check_feature(struct udevice *dev, uint feature); + #endif |