From 6f9d485ca4c5d3ac223a1e49f604192be12e0676 Mon Sep 17 00:00:00 2001 From: Gwendal Grignou Date: Mon, 3 Jun 2019 11:33:56 -0700 Subject: mfd: cros_ec: Add API for Touchpad support Add API to control touchpad presented by Embedded Controller. Signed-off-by: Gwendal Grignou Acked-by: Enric Balletbo i Serra Acked-by: Benson Leung Reviewed-by: Fabien Lahoudere Signed-off-by: Lee Jones --- 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 52fd9bfafc7f..1d0311df44d3 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -5043,6 +5043,32 @@ 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 */ -- cgit v1.2.3