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| author | Gwendal Grignou <gwendal@chromium.org> | 2019-06-03 11:33:48 -0700 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2019-06-10 09:15:08 +0100 |
| commit | 716bf50ea8b19c397e9d86238c6e7b307cbac3f5 (patch) | |
| tree | 934472a36631c0a1efeffc7b6f21e86bf15ceb05 | |
| parent | 784dd15c930fd65576200bee225a2796e363c342 (diff) | |
| download | linux-stable-716bf50ea8b19c397e9d86238c6e7b307cbac3f5.tar.gz linux-stable-716bf50ea8b19c397e9d86238c6e7b307cbac3f5.tar.bz2 linux-stable-716bf50ea8b19c397e9d86238c6e7b307cbac3f5.zip | |
mfd: cros_ec: Add fingerprint API
Add support for fingerprint sensors managed by embedded controller.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Fabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
| -rw-r--r-- | include/linux/mfd/cros_ec_commands.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h index 51fe65170ce6..d5d07a9957ec 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -3339,6 +3339,40 @@ struct ec_response_get_next_event_v1 { #define EC_MKBP_TABLET_MODE 1 #define EC_MKBP_BASE_ATTACHED 2 +/* Fingerprint events in 'fp_events' for EC_MKBP_EVENT_FINGERPRINT */ +#define EC_MKBP_FP_RAW_EVENT(fp_events) ((fp_events) & 0x00FFFFFF) +#define EC_MKBP_FP_ERRCODE(fp_events) ((fp_events) & 0x0000000F) +#define EC_MKBP_FP_ENROLL_PROGRESS_OFFSET 4 +#define EC_MKBP_FP_ENROLL_PROGRESS(fpe) (((fpe) & 0x00000FF0) \ + >> EC_MKBP_FP_ENROLL_PROGRESS_OFFSET) +#define EC_MKBP_FP_MATCH_IDX_OFFSET 12 +#define EC_MKBP_FP_MATCH_IDX_MASK 0x0000F000 +#define EC_MKBP_FP_MATCH_IDX(fpe) (((fpe) & EC_MKBP_FP_MATCH_IDX_MASK) \ + >> EC_MKBP_FP_MATCH_IDX_OFFSET) +#define EC_MKBP_FP_ENROLL BIT(27) +#define EC_MKBP_FP_MATCH BIT(28) +#define EC_MKBP_FP_FINGER_DOWN BIT(29) +#define EC_MKBP_FP_FINGER_UP BIT(30) +#define EC_MKBP_FP_IMAGE_READY BIT(31) +/* code given by EC_MKBP_FP_ERRCODE() when EC_MKBP_FP_ENROLL is set */ +#define EC_MKBP_FP_ERR_ENROLL_OK 0 +#define EC_MKBP_FP_ERR_ENROLL_LOW_QUALITY 1 +#define EC_MKBP_FP_ERR_ENROLL_IMMOBILE 2 +#define EC_MKBP_FP_ERR_ENROLL_LOW_COVERAGE 3 +#define EC_MKBP_FP_ERR_ENROLL_INTERNAL 5 +/* Can be used to detect if image was usable for enrollment or not. */ +#define EC_MKBP_FP_ERR_ENROLL_PROBLEM_MASK 1 +/* code given by EC_MKBP_FP_ERRCODE() when EC_MKBP_FP_MATCH is set */ +#define EC_MKBP_FP_ERR_MATCH_NO 0 +#define EC_MKBP_FP_ERR_MATCH_NO_INTERNAL 6 +#define EC_MKBP_FP_ERR_MATCH_NO_TEMPLATES 7 +#define EC_MKBP_FP_ERR_MATCH_NO_LOW_QUALITY 2 +#define EC_MKBP_FP_ERR_MATCH_NO_LOW_COVERAGE 4 +#define EC_MKBP_FP_ERR_MATCH_YES 1 +#define EC_MKBP_FP_ERR_MATCH_YES_UPDATED 3 +#define EC_MKBP_FP_ERR_MATCH_YES_UPDATE_FAILED 5 + + /*****************************************************************************/ /* Temperature sensor commands */ |