lkml.org 
[lkml]   [2019]   [Jun]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RESEND PATCH v3 17/30] mfd: cros_ec: Add fingerprint API
Date
Add support for fingerprint sensors managed by embedded controller.

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: Gwendal Grignou <gwendal@chromium.org>
---
include/linux/mfd/cros_ec_commands.h | 34 ++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)

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 */

--
2.21.0.1020.gf2820cf01a-goog
\
 
 \ /
  Last update: 2019-06-03 20:36    [W:0.224 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site