summaryrefslogtreecommitdiff
path: root/include/linux/mfd
diff options
context:
space:
mode:
authorGwendal Grignou <gwendal@chromium.org>2019-06-03 11:33:56 -0700
committerLee Jones <lee.jones@linaro.org>2019-06-10 09:15:08 +0100
commit6f9d485ca4c5d3ac223a1e49f604192be12e0676 (patch)
tree919e257c3ed81ea871c2e61aeca8cb7487cd0a80 /include/linux/mfd
parentd90a4121bf98d959a01306599b370d8f883a0737 (diff)
mfd: cros_ec: Add API for Touchpad support
Add API to control touchpad presented 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>
Diffstat (limited to 'include/linux/mfd')
-rw-r--r--include/linux/mfd/cros_ec_commands.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h
index 52fd9bfafc7f..1d0311df44d3 100644
--- a/include/linux/mfd/cros_ec_commands.h
+++ b/include/linux/mfd/cros_ec_commands.h
@@ -5044,6 +5044,32 @@ struct ec_response_pd_chip_info_v1 {
} __ec_align2;
/*****************************************************************************/
+/* Touchpad MCU commands: range 0x0500-0x05FF */
+
+/* Perform touchpad self test */
+#define EC_CMD_TP_SELF_TEST 0x0500
+
+/* Get number of frame types, and the size of each type */
+#define EC_CMD_TP_FRAME_INFO 0x0501
+
+struct ec_response_tp_frame_info {
+ uint32_t n_frames;
+ uint32_t frame_sizes[0];
+} __ec_align4;
+
+/* Create a snapshot of current frame readings */
+#define EC_CMD_TP_FRAME_SNAPSHOT 0x0502
+
+/* Read the frame */
+#define EC_CMD_TP_FRAME_GET 0x0503
+
+struct ec_params_tp_frame_get {
+ uint32_t frame_index;
+ uint32_t offset;
+ uint32_t size;
+} __ec_align4;
+
+/*****************************************************************************/
/* EC-EC communication commands: range 0x0600-0x06FF */
#define EC_COMM_TEXT_MAX 8