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Message-Id: <20190424232918.243308-27-gwendal@chromium.org>
Date: Wed, 24 Apr 2019 16:29:14 -0700
From: Gwendal Grignou <gwendal@...omium.org>
To: enric.balletbo@...labora.com, bleung@...omium.org,
groeck@...omium.org, lee.jones@...aro.org
Cc: linux-kernel@...r.kernel.org,
Gwendal Grignou <gwendal@...omium.org>
Subject: [PATCH 26/30] mfd: cros_ec: Add API for Touchpad support
Add API to control touchpad presented by Embedded Controller.
Signed-off-by: Gwendal Grignou <gwendal@...omium.org>
---
include/linux/mfd/cros_ec_commands.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h
index 32d3a4e07ea8..32599f28c936 100644
--- a/include/linux/mfd/cros_ec_commands.h
+++ b/include/linux/mfd/cros_ec_commands.h
@@ -5039,6 +5039,32 @@ 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 */
--
2.21.0.593.g511ec345e18-goog
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