diff options
| author | Gwendal Grignou <gwendal@chromium.org> | 2019-06-03 11:33:56 -0700 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2019-06-10 09:15:08 +0100 |
| commit | 6f9d485ca4c5d3ac223a1e49f604192be12e0676 (patch) | |
| tree | 919e257c3ed81ea871c2e61aeca8cb7487cd0a80 /include/linux/mfd | |
| parent | d90a4121bf98d959a01306599b370d8f883a0737 (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.h | 26 |
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 |